* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.hero-slide {
    background-image: var(--bg);
}
/* FULL BLEED: phá container để full màn hình */
.hero-fullbleed {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    border-radius: 0; /* muốn bo góc lại thì đổi 28px */
}
/* ===== HERO: SÁNG HƠN (override) ===== */

/* Nền tổng thể sáng hơn chút */


/* Overlay bớt tối + hơi “sáng kiểu glass” */
.hero-overlay {
    background: radial-gradient(900px 520px at 18% 25%, rgba(0, 255, 209, .14), transparent 60%), radial-gradient(900px 520px at 85% 30%, rgba(255, 91, 154, .12), transparent 55%), linear-gradient(90deg, rgba(255,255,255,.30), rgba(255,255,255,.12) 55%, rgba(255,255,255,.22));
}

/* Làm ảnh nền sáng hơn (tăng brightness) */
.hero-slide {
    filter: saturate(1.05) contrast(1.02) brightness(1.08);
}

/* Card nội dung sáng hơn, viền nhẹ hơn */
.hero-content {
    background: linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.50));
    border: 1px solid rgba(255,255,255,.55);
    box-shadow: 0 22px 70px rgba(0,0,0,.20);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

/* Chữ: tối hơn để hợp nền sáng */
.hero-title {
    color: rgba(10,16,26,.92);
    text-shadow: 0 10px 24px rgba(0,0,0,.12);
}

.hero-subtitle {
    color: rgba(10,16,26,.70);
}

/* Nút outline sáng hơn */
.btn-outline {
    background: rgba(255,255,255,.45);
    border-color: rgba(10,16,26,.16);
}

    .btn-outline svg, .btn-outline span {
        color: rgba(10,16,26,.80);
    }

/* Nút mũi tên sáng hơn */
.hero-nav {
    background: rgba(255,255,255,.42);
    border-color: rgba(10,16,26,.14);
    color: rgba(10,16,26,.75);
    box-shadow: 0 16px 44px rgba(0,0,0,.18);
}

    .hero-nav:hover {
        background: rgba(255,255,255,.60);
    }
/* nếu bạn đang có max-width cho hero, bỏ nó đi */
.hero.hero-slider {
    max-width: none !important;
    margin: 0 !important;
}
.timer-section {
    --bg1: #0b1020;
    --bg2: #111a33;
    --card: rgba(255,255,255,.08);
    --stroke: rgba(255,255,255,.14);
    --text: rgba(255,255,255,.92);
    --muted: rgba(255,255,255,.7);
    --shadow: 0 20px 60px rgba(0,0,0,.45);
    --glow: 0 0 0 1px rgba(255,255,255,.08), 0 18px 40px rgba(0,0,0,.45);
    padding: clamp(24px, 4vw, 56px) 16px;
    position: relative;
    overflow: hidden;
    background: radial-gradient(1200px 500px at 10% -10%, rgba(120,119,198,.45), transparent 60%), radial-gradient(900px 450px at 90% 10%, rgba(0,200,255,.28), transparent 55%), linear-gradient(135deg, var(--bg1), var(--bg2));
}

    .timer-section::before {
        content: "";
        position: absolute;
        inset: -60px;
        background: radial-gradient(300px 300px at 25% 30%, rgba(255, 91, 154, .22), transparent 60%), radial-gradient(260px 260px at 75% 60%, rgba(0, 255, 209, .18), transparent 60%);
        filter: blur(18px);
        pointer-events: none;
    }

.timer-container {
    max-width: 980px;
    margin: 0 auto;
    position: relative;
    padding: clamp(18px, 2.4vw, 28px);
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
    border: 1px solid var(--stroke);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.timer-header {
    text-align: center;
    margin-bottom: clamp(14px, 2vw, 22px);
}

.timer-title {
    margin: 0;
    font-size: clamp(18px, 2.4vw, 28px);
    line-height: 1.15;
    color: var(--text);
    letter-spacing: .2px;
}

.timer-subtitle {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: clamp(12px, 1.6vw, 14px);
}

.timer-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(10px, 2vw, 16px);
}

.timer-item {
    text-align: center;
}

.timer-box {
    position: relative;
    border-radius: 20px;
    padding: 18px 10px;
    background: radial-gradient(140px 80px at 30% 20%, rgba(255,255,255,.14), transparent 60%), linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
    border: 1px solid rgba(255,255,255,.14);
    box-shadow: var(--glow);
    transform: translateZ(0);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    overflow: hidden;
}

    .timer-box::after {
        content: "";
        position: absolute;
        inset: -1px;
        background: linear-gradient(120deg, rgba(0,255,209,.0), rgba(0,255,209,.18), rgba(255,91,154,.16), rgba(0,200,255,.16), rgba(0,255,209,.0) );
        opacity: 0;
        transition: opacity .18s ease;
        pointer-events: none;
    }

.timer-item:hover .timer-box {
    transform: translateY(-4px) scale(1.01);
    border-color: rgba(255,255,255,.22);
    box-shadow: 0 28px 70px rgba(0,0,0,.55);
}

    .timer-item:hover .timer-box::after {
        opacity: 1;
    }

.timer-number {
    margin: 0;
    font-weight: 800;
    color: var(--text);
    font-variant-numeric: tabular-nums;
    letter-spacing: .6px;
    font-size: clamp(22px, 3.4vw, 44px);
    text-shadow: 0 10px 30px rgba(0,0,0,.35);
}

.timer-label {
    margin: 10px 0 0;
    color: var(--muted);
    font-weight: 600;
    letter-spacing: .3px;
    font-size: clamp(12px, 1.7vw, 14px);
}

/* Responsive */
@media (max-width: 720px) {
    .timer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .timer-box {
        border-radius: 18px;
    }
}

@media (max-width: 360px) {
    .timer-grid {
        grid-template-columns: 1fr;
    }
}


:root {
  --primary: #005aa8;
  --background-light: #f5f7f8;
  --background-dark: #0f1a23;
  --text-dark: #0c151d;
  --slate-50: #f8fafc;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--background-light);
  color: var(--text-dark);
  line-height: 1.5;
}

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(245, 247, 248, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--slate-200);
}
/* ===== HERO SLIDER (SIÊU ĐẸP) ===== */
.hero.hero-slider {
    position: relative;
    min-height: clamp(520px, 78vh, 820px);
    display: grid;
    place-items: center;
    overflow: hidden;
    border-radius: 28px;
    isolation: isolate;
    /* Bạn có thể bỏ max-width nếu muốn full màn hình */
    margin: 14px auto;
    max-width: 1200px;
}

/* Slides layer */
.hero-slides {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-image: var(--bg);
    background-size: cover;
    background-position: center;
    transform: scale(1.06);
    opacity: 0;
    transition: opacity 900ms ease, transform 1800ms ease;
    will-change: opacity, transform;
    filter: saturate(1.08) contrast(1.04);
}

    .hero-slide.is-active {
        opacity: 1;
        transform: scale(1.00);
    }

/* Overlay */
.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: radial-gradient(900px 520px at 18% 25%, rgba(0, 255, 209, .18), transparent 60%), radial-gradient(900px 520px at 85% 30%, rgba(255, 91, 154, .16), transparent 55%), linear-gradient(90deg, rgba(8,12,24,.82), rgba(8,12,24,.45) 55%, rgba(8,12,24,.78));
}

/* Giữ hero-content của bạn, chỉ “làm đẹp” */
.hero-content {
    position: relative;
    z-index: 2;
    width: min(980px, calc(100% - 28px));
    padding: clamp(22px, 3.6vw, 44px);
    border-radius: 26px;
    border: 1px solid rgba(255,255,255,.18);
    background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 24px 80px rgba(0,0,0,.55);
    text-align: center;
}

.hero-title {
    margin: 0;
    color: rgba(255,255,255,.95);
    font-weight: 900;
    letter-spacing: .2px;
    line-height: 1.12;
    font-size: clamp(22px, 3.2vw, 44px);
    text-shadow: 0 16px 40px rgba(0,0,0,.35);
}

.hero-subtitle {
    margin: 12px 0 0;
    color: rgba(255,255,255,.82);
    font-weight: 600;
    letter-spacing: .3px;
    line-height: 1.35;
    font-size: clamp(13px, 1.7vw, 18px);
}

/* Buttons area */
.hero-buttons {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 18px;
}

/* Nếu bạn đã có style .btn sẵn thì phần này có thể bỏ.
   Mình thêm nhẹ để “đẹp đều” nếu project chưa có. */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-radius: 16px;
    padding: 12px 18px;
    border: 1px solid rgba(255,255,255,.16);
    cursor: pointer;
    user-select: none;
    text-decoration: none;
    transition: transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease;
    box-shadow: 0 14px 40px rgba(0,0,0,.28);
}

.btn-lg {
    padding: 14px 20px;
}

.btn span {
    font-weight: 800;
    letter-spacing: .2px;
}

.btn-primary {
    background: linear-gradient(135deg, rgba(0,255,209,.95), rgba(0,200,255,.90));
    border-color: rgba(255,255,255,.18);
}

    .btn-primary span {
        color: rgba(10,16,26,.95);
    }

.btn-white {
    background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.78));
    border-color: rgba(255,255,255,.28);
}

    .btn-white span {
        color: rgba(10,16,26,.95);
    }

.btn-outline {
    background: rgba(255,255,255,.07);
    border-color: rgba(255,255,255,.22);
}

    .btn-outline svg {
        color: rgba(255,255,255,.92);
    }

    .btn-outline span {
        color: rgba(255,255,255,.92);
    }

.btn:hover {
    transform: translateY(-2px);
    border-color: rgba(255,255,255,.30);
    box-shadow: 0 22px 60px rgba(0,0,0,.42);
}

.btn:active {
    transform: translateY(0px) scale(.99);
}

/* Dots */
.hero-dots {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.35);
    background: rgba(255,255,255,.18);
    cursor: pointer;
    transition: transform .18s ease, background .18s ease, width .18s ease;
}

    .hero-dot.is-active {
        width: 26px;
        background: rgba(255,255,255,.85);
        transform: translateY(-1px);
    }

/* Nav arrows */
.hero-nav {
    position: absolute;
    z-index: 3;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.22);
    background: rgba(10,16,26,.30);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: rgba(255,255,255,.92);
    display: grid;
    place-items: center;
    cursor: pointer;
    box-shadow: 0 16px 50px rgba(0,0,0,.45);
    transition: transform .16s ease, background .16s ease, border-color .16s ease;
}

.hero-prev {
    left: 14px;
}

.hero-next {
    right: 14px;
}

.hero-nav:hover {
    transform: translateY(-50%) scale(1.06);
    background: rgba(10,16,26,.42);
    border-color: rgba(255,255,255,.34);
}

.hero-nav span {
    font-size: 30px;
    line-height: 1;
    margin-top: -2px;
}

/* Mobile */
@media (max-width: 760px) {
    .hero.hero-slider {
        border-radius: 18px;
        margin: 10px;
    }

    .hero-nav {
        display: none;
    }

    .hero-content {
        border-radius: 18px;
    }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    .hero-slide, .btn, .hero-nav, .hero-dot {
        transition: none;
    }
}
.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-img {
  height: 60px;
  width: auto;
}

.nav-menu {
  display: none;
  gap: 2rem;
}

.nav-link {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-dark);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn {
  cursor: pointer;
  border: none;
  border-radius: 0.5rem;
  font-weight: 700;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-icon {
  height: 2.5rem;
  padding: 0 0.625rem;
  background-color: var(--slate-200);
  color: var(--text-dark);
}

.btn-primary {
  height: 2.5rem;
  padding: 0 1rem;
  background-color: #012b50;
  color: white;
  font-size: 0.875rem;
}

.btn-primary:hover {
  background-color: #004a8f;
}

.btn-menu {
  height: 2.5rem;
  padding: 0 0.625rem;
  background-color: transparent;
  color: var(--text-dark);
}

/* Hero Section */
.hero {
  min-height: 600px;
  background-image: linear-gradient(to top, rgba(0, 90, 168, 0.6) 0%, rgba(245, 247, 248, 0.1) 100%), 
                    url("./img/banner2.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  text-align: center;
}

.hero-content {
  max-width: 56rem;
}

.hero-title {
  color: white;
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1rem;
  text-shadow: -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000;

}

.hero-subtitle {
  color: white;
  font-size: 1rem;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.btn-lg {
  height: 3rem;
  padding: 0 1.25rem;
  font-size: 1rem;
}

.btn-white {
  background-color: white;
  color: var(--primary);
}

.btn-outline {
  background-color: transparent;
  color: white;
  border: 1px solid white;
}

/* Timer Section */
.timer-section {
  background-color: #f1f5f9;
  padding: 40px;
}

.timer-container {
  max-width: 36rem;
  margin: 0 auto;
  padding: 0 1rem;
}

.timer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.timer-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timer-box {
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: white;
  border-radius: 0.5rem;
}

.timer-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
}

.timer-label {
    text-align: center;
    font-size: 1.15rem;
    color: #012b50;
    font-weight: bold;
}

/* Introduction Section */
.intro-section {
  padding: 4rem 1rem;
}

.section-container {
  max-width: 80rem;
  margin: 0 auto;
}

.intro-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: #012b50;
  margin-bottom: 1rem;
}

.section-text {
  color: #012b50;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.intro-features {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-icon {
  color: var(--primary);
  font-size: 1.5rem;
}

.intro-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.intro-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.5rem;
}

/* Topics Section */
.topics-section {
  padding: 4rem 1rem;
  background-color: #f1f5f9;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-description {
  max-width: 42rem;
  margin: 1rem auto 0;
  color: var(--slate-600);
  font-size: 1.15rem;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.topic-card {
  background-color: white;
  padding: 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.topic-icon-wrapper {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background-color: rgba(0, 90, 168, 0.2);
  margin-bottom: 1rem;
}

.topic-icon {
  color: var(--primary);
  font-size: 1.875rem;
}

.topic-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.topic-description {
  font-size: 0.875rem;
  color: var(--slate-600);
}

/* Important Dates Section */
.dates-section {
  padding: 4rem 1rem;
}

.dates-timeline {
  position: relative;
  padding-top: 2rem;
}

.timeline-line {
  display: none;
  position: absolute;
  top: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--slate-300);
}

.dates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
}

.date-item {
  position: relative;
  text-align: center;
}

.date-marker {
  display: none;
  position: absolute;
  top: -2.75rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1.25rem;
  height: 1.25rem;
  background-color: var(--primary);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.date-marker-inner {
  width: 0.5rem;
  height: 0.5rem;
  background-color: white;
  border-radius: 50%;
}

.date-value {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.date-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
}

/* Speakers Section */
.speakers-section {
  padding: 4rem 1rem;
  background-color: #f1f5f9;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.speaker-card {
  background-color: white;
  padding: 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  text-align: center;
}

.speaker-img {
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  margin: 0 auto 1rem;
  object-fit: cover;
}

.speaker-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.speaker-affiliation {
  font-size: 0.875rem;
  color: var(--primary);
}

/* Responsive Design */
@media (min-width: 640px) {
  .header-container {
    padding: 0.75rem 1.5rem;
  }
  
  .btn-register-mobile {
    display: inline-flex;
  }
  
  .hero-title {
    font-size: 3rem;
    text-shadow: -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .intro-section, .topics-section, .dates-section, .speakers-section {
    padding: 6rem 1.5rem;
  }
  
  .section-title {
    font-size: 2.25rem;
  }
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
  
  .btn-menu {
    display: none;
  }
  
  .intro-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  
  .timeline-line {
    display: block;
  }
  
  .date-marker {
    display: flex;
  }
}

@media (min-width: 1024px) {
  .header-container {
    padding: 0.75rem 2rem;
  }
  
  .topics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .dates-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.hidden-mobile {
  display: none;
}

@media (min-width: 640px) {
  .hidden-mobile {
    display: inline-flex;
  }
}

@media (max-width: 767px) {
  .show-mobile {
    display: inline-flex;
  }
}
/*CSS popup*/
/* Popup overlay */
#popup-form {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

/* Popup box */
.popup-box {
    width: 90%;
    max-width: 800px;
    background: white;
    padding: 20px;
    border-radius: 10px;
    position: relative;
}

/* Close button */
.popup-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: red;
    color: white;
    border: none;
    padding: 6px 10px;
    cursor: pointer;
    border-radius: 4px;
}
/*CSS ban lãnh đạo*/
.organizing-committee {
  background: #f8fafc;
  padding: 60px 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont;
}

.container {
  width: min(1100px, 90%);
  margin: auto;
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.section-header p {
  color: #64748b;
}

.committee-block {
  margin-bottom: 40px;
}

.block-title {
  font-size: 20px;
  margin-bottom: 20px;
  color: #0f172a;
}

/* ===== Executive Cards ===== */
.executive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.person-card {
  background: #fff;
  border-radius: 14px;
  padding: 16px;
  display: flex;
  gap: 14px;
  box-shadow: 0 6px 20px rgba(0,0,0,.05);
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #2563eb;
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 14px;
}

.person-card h4 {
  margin: 0;
  font-size: 16px;
}

.person-card p {
  margin: 4px 0;
  font-weight: 500;
}

.person-card span {
  font-size: 13px;
  color: #64748b;
}

/* ===== Accordion ===== */
.accordion {
  background: #fff;
  border-radius: 12px;
  margin-bottom: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,.04);
  padding: 10px 16px;
}

.accordion summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.accordion ul {
  padding-left: 16px;
  margin-top: 12px;
}

.accordion li {
  margin-bottom: 12px;
  font-size: 14px;
}

.accordion a {
  color: #2563eb;
  text-decoration: none;
}
/*thu gọn hàng*/
/* ============================= */
/*  TOGGLE BAN CHUYÊN MÔN        */
/* ============================= */

/* Mặc định: ẩn toàn bộ card */
.executive-grid.limited .person-card {
  display: none;
}

/* Mobile: 1 cột → 2 hàng = 4 card */
@media (max-width: 767px) {
  .executive-grid.limited .person-card:nth-child(-n+4) {
    display: flex;
  }
}

/* Tablet: 2 cột → 2 hàng = 4 card */
@media (min-width: 768px) and (max-width: 1023px) {
  .executive-grid.limited .person-card:nth-child(-n+4) {
    display: flex;
  }
}

/* Desktop: 3 cột → 2 hàng = 6 card */
@media (min-width: 1024px) {
  .executive-grid.limited .person-card:nth-child(-n+6) {
    display: flex;
  }
}

/* ============================= */
/*  BUTTON XEM THÊM              */
/* ============================= */
.show-more-wrapper {
  text-align: center;
  margin-top: 20px;
}

.show-more-btn {
  padding: 15px 30px;
  font-size: 18px;
  color: white;
  background: linear-gradient(to right, #780206 0%, #061161  51%, #780206  100%);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  outline: none;
  transition: all 0.4s ease;
  background-size: 200% 200%;
  animation: backgroundGradient 3s ease infinite;
}

.show-more-btn:hover{
  background-position: right center;
  box-shadow: 0 0 20px #780206,
              0 0 30px #061161,
              0 0 40px #780206,
              0 0 50px #061161;
  animation: backgroundGradientHover 2s ease infinite;
}
@keyframes backgroundGradient{
  0%{background-position: 0% 50%;}
  50%{background-position: 100% 50%;}
  100%{background-position: 0% 50%;}
}
@keyframes backgroundGradientHover{
  0%{background-position: 0% 50%;}
  50%{background-position: 100% 50%;}
  100%{background-position: 0% 50%;}
}

/*end*/
/*Slider*/
.partners-slider {
  overflow: hidden;
  padding: 20px 0;
}

.partners-track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* pause khi hover */
.partners-slider:hover .partners-track {
  animation-play-state: paused;
}

/* Khung logo cố định */
.partner-item {
  width: 160px;          /* desktop */
  height: 80px;
  background: white;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  box-shadow: 0 4px 14px rgba(0,0,0,.06);
  margin-left: 20px;
}

/* Logo tự scale đúng tỉ lệ */
.partner-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
@media (max-width: 640px) {
  .partner-item {
    width: 120px;
    height: 60px;
    padding: 8px;
  }
}


/*end*/
/* ===== Thông tin liên hệ ===== */
/* ============================= */
/*  VENUE & CONTACT SECTION     */
/* ============================= */

.venue-section {
  background: #1e3769;
  padding: 60px 1rem;
}

.venue-grid {
  display: grid;
  gap: 32px;
  margin-top: 40px;
}

/* LEFT */
.venue-info {
  background: white;
  padding: 32px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
}

.venue-name {
  font-size: 28px;
  font-weight: 700;
  color: #243d6d;
  margin-bottom: 12px;
}

.venue-address {
  font-size: 18px;
  color: #000;
  line-height: 1.6;
  margin-bottom: 24px;
}

.venue-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.venue-contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 15px;
}

.venue-contact span {
  color: var(--primary);
  font-size: 22px;
}

.venue-contact a {
  color: var(--text-dark);
  text-decoration: none;
  font-size: 17px;
}

.venue-contact a:hover {
  color: var(--primary);
}

/* RIGHT */
.venue-map {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
}

.venue-map iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
}

/* RESPONSIVE */
@media (min-width: 768px) {
  .venue-grid {
    grid-template-columns: 1.1fr 1fr;
    align-items: stretch;
  }
}

/*end*/
/* ===== Desktop ===== */
@media (min-width: 768px) {
  .executive-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .executive-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.conference-acknowledgement {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid #e5e7eb;
}

.acknowledgement-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: rgb(255, 255, 255);
}

.acknowledgement-text {
  font-size: 1.15rem;
  color: rgb(255, 255, 255);
  line-height: 1.6;
}
.section-footer {
  font-size: 2rem;
  margin-bottom: 10px;
  color: white;
  text-align: center;
}
.section-title-ft {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}
.section-description-ft {
  max-width: 42rem;
  margin: 1rem auto 0;
  color: #fff;
  font-size: 1.15rem;
}
.partners-section{
  padding: 40px;
}
/* =======================================================
   HERO SLIDER - FINAL OVERRIDE (DÁN CUỐI FILE CSS)
   ======================================================= */

/* Full width (phá container) */
.hero.hero-slider {
    width: 100vw !important;
    margin-left: calc(50% - 50vw) !important;
    margin-right: calc(50% - 50vw) !important;
    max-width: none !important;
    border-radius: 0 !important;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

    /* Ảnh nền sáng hơn */
    .hero.hero-slider .hero-slide {
        background-image: var(--bg);
        background-size: cover;
        background-position: center;
        filter: saturate(1.05) contrast(1.02) brightness(1.12) !important;
    }

    /* Overlay sáng hơn (bớt tối) */
    .hero.hero-slider .hero-overlay {
        background: radial-gradient(900px 520px at 18% 25%, rgba(0, 255, 209, .12), transparent 60%), radial-gradient(900px 520px at 85% 30%, rgba(255, 91, 154, .10), transparent 55%), linear-gradient(90deg, rgba(255,255,255,.42), rgba(255,255,255,.18) 55%, rgba(255,255,255,.30)) !important;
    }

    /* Card nội dung sáng + chữ tối */
    .hero.hero-slider .hero-content {
        background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.52)) !important;
        border: 1px solid rgba(255,255,255,.60) !important;
        box-shadow: 0 18px 60px rgba(0,0,0,.18) !important;
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
    }

    .hero.hero-slider .hero-title {
        color: rgba(10,16,26,.92) !important;
        text-shadow: 0 10px 24px rgba(0,0,0,.10) !important;
    }

    .hero.hero-slider .hero-subtitle {
        color: rgba(10,16,26,.72) !important;
    }

    /* Nút: chỉ áp dụng trong slider để khỏi đè nút chỗ khác */
    .hero.hero-slider .btn {
        border-radius: 16px;
        border: 1px solid rgba(10,16,26,.14);
        box-shadow: 0 14px 40px rgba(0,0,0,.18);
    }

    .hero.hero-slider .btn-primary {
        background: linear-gradient(135deg, rgba(0,255,209,.95), rgba(0,200,255,.90)) !important;
    }

        .hero.hero-slider .btn-primary span {
            color: rgba(10,16,26,.95) !important;
        }

    .hero.hero-slider .btn-white {
        background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.82)) !important;
    }

        .hero.hero-slider .btn-white span {
            color: rgba(10,16,26,.92) !important;
        }

    .hero.hero-slider .btn-outline {
        background: rgba(255,255,255,.52) !important;
        border-color: rgba(10,16,26,.16) !important;
    }

        .hero.hero-slider .btn-outline svg,
        .hero.hero-slider .btn-outline span {
            color: rgba(10,16,26,.82) !important;
        }

    /* Nút prev/next sáng hơn */
    .hero.hero-slider .hero-nav {
        background: rgba(255,255,255,.55) !important;
        border-color: rgba(10,16,26,.14) !important;
        color: rgba(10,16,26,.75) !important;
        box-shadow: 0 16px 44px rgba(0,0,0,.16) !important;
    }

        .hero.hero-slider .hero-nav:hover {
            background: rgba(255,255,255,.72) !important;
        }
/* ================================
   TOPICS: ĐẸP - ĐỘC - LẠ (OVERRIDE)
   Dán CUỐI file CSS
================================== */

.topics-section {
    position: relative;
    overflow: hidden;
    padding: clamp(56px, 6vw, 92px) 1rem;
    background: radial-gradient(900px 420px at 10% -10%, rgba(0,255,209,.18), transparent 60%), radial-gradient(900px 420px at 90% 0%, rgba(255,91,154,.14), transparent 55%), linear-gradient(180deg, #f7fbff 0%, #eef6ff 55%, #f9fbff 100%);
}

    /* blob glow */
    .topics-section::before,
    .topics-section::after {
        content: "";
        position: absolute;
        width: 520px;
        height: 520px;
        border-radius: 999px;
        filter: blur(30px);
        opacity: .55;
        pointer-events: none;
    }

    .topics-section::before {
        left: -240px;
        top: -220px;
        background: radial-gradient(circle at 30% 30%, rgba(0,200,255,.55), rgba(0,255,209,.18), transparent 70%);
    }

    .topics-section::after {
        right: -260px;
        bottom: -260px;
        background: radial-gradient(circle at 40% 40%, rgba(255,91,154,.45), rgba(120,119,198,.22), transparent 70%);
    }

    .topics-section .section-container {
        max-width: 1180px;
    }

    .topics-section .section-header {
        position: relative;
        text-align: center;
        margin-bottom: clamp(22px, 3vw, 38px);
    }

    .topics-section .section-title {
        font-size: clamp(26px, 3.2vw, 44px);
        line-height: 1.1;
        letter-spacing: .2px;
        font-weight: 900;
        color: rgba(10,16,26,.92);
        margin-bottom: 10px;
    }

    .topics-section .section-description {
        max-width: 720px;
        margin: 0 auto;
        font-size: clamp(14px, 1.6vw, 18px);
        color: rgba(10,16,26,.68);
    }

    /* grid đẹp hơn */
    .topics-section .topics-grid {
        display: grid;
        gap: clamp(14px, 2vw, 18px);
        grid-template-columns: repeat(3, minmax(0, 1fr));
        position: relative;
        z-index: 1;
    }

    /* card glass + viền gradient */
    .topics-section .topic-card {
        position: relative;
        border-radius: 22px;
        padding: 18px 18px 16px;
        background: linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.55));
        border: 1px solid rgba(15,23,42,.10);
        box-shadow: 0 18px 60px rgba(2, 8, 23, .10);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        transform: translateZ(0);
        transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, filter .18s ease;
        overflow: hidden;
    }

        /* viền gradient chạy nhẹ */
        .topics-section .topic-card::before {
            content: "";
            position: absolute;
            inset: -1px;
            border-radius: 22px;
            padding: 1px;
            background: linear-gradient(120deg, rgba(0,255,209,.55), rgba(0,200,255,.35), rgba(255,91,154,.30), rgba(120,119,198,.35), rgba(0,255,209,.45) );
            -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            opacity: .55;
            pointer-events: none;
        }

        /* highlight bóng sáng khi hover */
        .topics-section .topic-card::after {
            content: "";
            position: absolute;
            inset: -60px;
            background: radial-gradient(280px 200px at 20% 20%, rgba(0,255,209,.18), transparent 60%), radial-gradient(260px 200px at 80% 30%, rgba(255,91,154,.14), transparent 60%);
            opacity: 0;
            transition: opacity .18s ease;
            pointer-events: none;
        }

        .topics-section .topic-card:hover {
            transform: translateY(-6px) scale(1.01);
            box-shadow: 0 26px 80px rgba(2, 8, 23, .16);
            border-color: rgba(15,23,42,.14);
        }

            .topics-section .topic-card:hover::after {
                opacity: 1;
            }

    /* icon neon ring */
    .topics-section .topic-icon-wrapper {
        width: 52px;
        height: 52px;
        border-radius: 16px;
        display: grid;
        place-items: center;
        background: linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.45));
        border: 1px solid rgba(15,23,42,.10);
        box-shadow: 0 12px 30px rgba(2, 8, 23, .10);
        position: relative;
        overflow: hidden;
        margin-bottom: 12px;
    }

        .topics-section .topic-icon-wrapper::before {
            content: "";
            position: absolute;
            inset: -1px;
            background: linear-gradient(120deg, rgba(0,255,209,.55), rgba(0,200,255,.35), rgba(255,91,154,.25));
            opacity: .75;
            filter: blur(12px);
        }

    .topics-section .topic-icon {
        position: relative;
        font-size: 28px;
        color: rgba(10,16,26,.86);
        text-shadow: 0 10px 24px rgba(0,0,0,.10);
    }

    /* text */
    .topics-section .topic-title {
        margin: 6px 0 8px;
        font-size: 18px;
        line-height: 1.25;
        font-weight: 900;
        color: rgba(10,16,26,.92);
        letter-spacing: .1px;
    }

    .topics-section .topic-description {
        margin: 0;
        color: rgba(10,16,26,.68);
        font-size: 14.5px;
        line-height: 1.6;
    }

    /* “tag” nhỏ ở góc (độc lạ) */
    .topics-section .topic-card:nth-child(1)::marker {
        content: "";
    }

    .topics-section .topic-card:nth-child(1) .topic-title::after {
        content: " HOT";
        margin-left: 8px;
        font-size: 11px;
        font-weight: 900;
        letter-spacing: .6px;
        color: rgba(10,16,26,.85);
        background: rgba(0,255,209,.25);
        border: 1px solid rgba(0,255,209,.35);
        padding: 3px 8px;
        border-radius: 999px;
        vertical-align: middle;
    }

/* responsive */
@media (max-width: 1024px) {
    .topics-section .topics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .topics-section .topics-grid {
        grid-template-columns: 1fr;
    }

    .topics-section .topic-card {
        border-radius: 18px;
    }

        .topics-section .topic-card::before {
            border-radius: 18px;
        }
}
/* ======================================
   DATES SECTION: SIÊU ĐẸP (OVERRIDE)
   Dán CUỐI file CSS
====================================== */

.dates-section {
    position: relative;
    overflow: hidden;
    padding: clamp(60px, 6vw, 96px) 1rem;
    background: radial-gradient(900px 420px at 8% -10%, rgba(0,255,209,.14), transparent 60%), radial-gradient(900px 420px at 92% 0%, rgba(255,91,154,.12), transparent 55%), linear-gradient(180deg, #f8fbff 0%, #eef6ff 55%, #f9fbff 100%);
}

    .dates-section::before,
    .dates-section::after {
        content: "";
        position: absolute;
        width: 520px;
        height: 520px;
        border-radius: 999px;
        filter: blur(34px);
        opacity: .55;
        pointer-events: none;
    }

    .dates-section::before {
        left: -240px;
        top: -240px;
        background: radial-gradient(circle at 30% 30%, rgba(0,200,255,.50), rgba(0,255,209,.18), transparent 70%);
    }

    .dates-section::after {
        right: -260px;
        bottom: -260px;
        background: radial-gradient(circle at 40% 40%, rgba(255,91,154,.40), rgba(120,119,198,.22), transparent 70%);
    }

    .dates-section .section-header {
        text-align: center;
        margin-bottom: clamp(22px, 3vw, 38px);
        position: relative;
        z-index: 1;
    }

    .dates-section .section-title {
        font-size: clamp(26px, 3.2vw, 44px);
        line-height: 1.1;
        font-weight: 900;
        color: rgba(10,16,26,.92);
        margin-bottom: 10px;
    }

    .dates-section .section-description {
        max-width: 720px;
        margin: 0 auto;
        font-size: clamp(14px, 1.6vw, 18px);
        color: rgba(10,16,26,.68);
    }

/* timeline wrapper */
.dates-timeline {
    position: relative;
    padding-top: 26px;
    z-index: 1;
}

/* line gradient */
.timeline-line {
    display: block !important;
    position: absolute;
    left: 0;
    right: 0;
    top: 10px;
    height: 2px;
    background: linear-gradient(90deg, rgba(0,255,209,.0), rgba(0,255,209,.55), rgba(0,200,255,.45), rgba(255,91,154,.35), rgba(0,255,209,.55), rgba(0,255,209,.0) );
    filter: drop-shadow(0 10px 18px rgba(2,8,23,.12));
    border-radius: 999px;
}

/* grid */
.dates-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: clamp(12px, 1.6vw, 18px);
    align-items: stretch;
}

/* item = card */
.date-item {
    position: relative;
    border-radius: 20px;
    padding: 18px 14px 16px;
    background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.58));
    border: 1px solid rgba(15,23,42,.10);
    box-shadow: 0 18px 60px rgba(2, 8, 23, .10);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    text-align: center;
    transform: translateZ(0);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    overflow: hidden;
}

    /* viền gradient */
    .date-item::before {
        content: "";
        position: absolute;
        inset: -1px;
        border-radius: 20px;
        padding: 1px;
        background: linear-gradient(120deg, rgba(0,255,209,.55), rgba(0,200,255,.35), rgba(255,91,154,.28), rgba(120,119,198,.30), rgba(0,255,209,.45) );
        -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
        -webkit-mask-composite: xor;
        mask-composite: exclude;
        opacity: .55;
        pointer-events: none;
    }

    .date-item:hover {
        transform: translateY(-6px) scale(1.01);
        box-shadow: 0 26px 80px rgba(2, 8, 23, .16);
        border-color: rgba(15,23,42,.14);
    }

/* marker đẹp + pulse */
.date-marker {
    display: grid !important;
    place-items: center;
    position: absolute;
    top: -22px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 18px;
    border-radius: 999px;
    background: rgba(10,16,26,.92);
    box-shadow: 0 16px 40px rgba(2,8,23,.18);
}

    .date-marker::before {
        content: "";
        position: absolute;
        inset: -10px;
        border-radius: 999px;
        background: radial-gradient(circle, rgba(0,255,209,.35), transparent 62%);
        animation: datePulse 1.9s ease-in-out infinite;
        opacity: .7;
    }

.date-marker-inner {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 8px 18px rgba(255,255,255,.22);
}

@keyframes datePulse {
    0% {
        transform: scale(.75);
        opacity: .35;
    }

    50% {
        transform: scale(1.05);
        opacity: .75;
    }

    100% {
        transform: scale(.75);
        opacity: .35;
    }
}

/* date text */
.date-value {
    margin-top: 10px;
    font-weight: 900;
    letter-spacing: .2px;
    color: rgba(10,16,26,.92);
    font-size: 14px;
}

.date-label {
    margin-top: 8px;
    font-weight: 800;
    color: rgba(10,16,26,.72);
    font-size: 14px;
    line-height: 1.35;
}

/* special highlight: event day */
.date-item:last-child {
    background: linear-gradient(180deg, rgba(0,255,209,.18), rgba(255,255,255,.62));
}

    .date-item:last-child .date-value {
        color: rgba(10,16,26,.95);
    }

    .date-item:last-child .date-label {
        color: rgba(10,16,26,.82);
    }

/* responsive */
@media (max-width: 1024px) {
    .dates-grid {
        grid-template-columns: repeat(3, minmax(0,1fr));
    }

    .timeline-line {
        display: none !important;
    }

    .date-marker {
        top: -16px;
    }
}

@media (max-width: 640px) {
    .dates-grid {
        grid-template-columns: 1fr;
    }

    .date-item {
        text-align: left;
        padding: 18px 16px 16px;
    }

    .date-marker {
        left: 18px;
        transform: none;
    }

    .date-value {
        margin-left: 34px;
        text-align: left;
    }

    .date-label {
        margin-left: 34px;
        text-align: left;
    }
}
:root {
    --header-h: 74px;
    --bg: rgba(255,255,255,.78);
    --line: rgba(15,23,42,.10);
    --text: #0f172a;
    --muted: #475569;
    --shadow: 0 12px 40px rgba(2,6,23,.10);
    --shadow-soft: 0 10px 25px rgba(2,6,23,.08);
    --radius: 16px;
    --radius-sm: 12px;
    --speed: 180ms;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: var(--bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}

.header-container {
    height: var(--header-h);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-section {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 44px;
    width: auto;
    display: block;
}

/* ===== NAV (Desktop) ===== */
.nav-menu {
    flex: 1;
    display: flex;
    justify-content: center;
}

.elementor-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

    .elementor-nav-menu .menu-item {
        position: relative;
    }

    .elementor-nav-menu .elementor-item {
        position: relative;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 12px;
        border-radius: 12px;
    
        text-decoration: none;
        font-size: 15px;
        font-weight: 600;
        letter-spacing: .1px;
        transition: background var(--speed) ease, color var(--speed) ease, transform var(--speed) ease;
    }

        .elementor-nav-menu .elementor-item:hover {
            background: rgba(2,6,23,.05);
            transform: translateY(-1px);
        }

    .elementor-nav-menu .elementor-item-active {
        background: rgba(2,6,23,.07);
    }

.sub-arrow {
    font-size: 12px;
    opacity: .8;
    transition: transform var(--speed) ease;
}

/* ===== Dropdown ===== */
.menu-item-has-children > .sub-menu {
    list-style: none;
    position: absolute;
    left: 0;
    top: calc(100% + 10px);
    min-width: 320px;
    margin: 0;
    padding: 10px;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity var(--speed) ease, transform var(--speed) ease;
}

.menu-item-has-children:hover > .sub-menu,
.menu-item-has-children:focus-within > .sub-menu,
.menu-item-has-children.open > .sub-menu {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.menu-item-has-children:hover > a .sub-arrow,
.menu-item-has-children.open > a .sub-arrow {
    transform: rotate(180deg);
}

.sub-menu .elementor-sub-item {
    display: block;
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    transition: background var(--speed) ease, color var(--speed) ease;
}

    .sub-menu .elementor-sub-item:hover {
        background: rgba(2,6,23,.06);
        color: var(--text);
    }

/* ===== Actions ===== */
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn {
    border: 1px solid var(--line);
    background: rgba(255,255,255,.7);
    border-radius: 14px;
    height: 40px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text);
    font-weight: 700;
    transition: transform var(--speed) ease, box-shadow var(--speed) ease, background var(--speed) ease;
}

    .btn:hover {
        transform: translateY(-1px);
        box-shadow: var(--shadow-soft);
        background: rgba(255,255,255,.95);
    }

.btn-icon {
    width: 44px;
    padding: 0;
    justify-content: center;
}

.btn-primary {
    border: 0;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #fff;
    box-shadow: 0 10px 25px rgba(37,99,235,.25);
}

    .btn-primary:hover {
        box-shadow: 0 14px 30px rgba(124,58,237,.28);
    }

.hidden-mobile {
    display: inline-flex;
}

.show-mobile {
    display: none;
}

/* ===== Mobile Drawer ===== */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2,6,23,.45);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 998;
}

@media (max-width: 900px) {
    .nav-menu {
        justify-content: flex-end;
    }

    .show-mobile {
        display: inline-flex;
    }

    .hidden-mobile {
        display: none;
    }

    /* nav biến thành drawer */
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        height: 100dvh;
        width: min(86vw, 360px);
        background: rgba(255,255,255,.95);
        border-left: 1px solid var(--line);
        box-shadow: var(--shadow);
        transform: translateX(104%);
        transition: transform 220ms ease;
        z-index: 999;
        padding: 90px 14px 14px;
        justify-content: flex-start;
    }

        .nav-menu.open {
            transform: translateX(0);
        }

    .elementor-nav-menu {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

        .elementor-nav-menu .elementor-item {
            width: 100%;
            justify-content: space-between;
            padding: 12px 14px;
            border-radius: 14px;
            background: rgba(2,6,23,.03);
        }

    /* Dropdown thành accordion */
    .menu-item-has-children > .sub-menu {
        position: static;
        min-width: unset;
        margin-top: 6px;
        padding: 8px;
        border-radius: 14px;
        box-shadow: none;
        background: rgba(2,6,23,.03);
        border: 1px solid rgba(2,6,23,.06);
        opacity: 1;
        transform: none;
        pointer-events: auto;
        display: none;
    }

    .menu-item-has-children.open > .sub-menu {
        display: block;
    }

    .sub-menu .elementor-sub-item {
        background: rgba(255,255,255,.75);
    }
}
/* ===== Important Dates (đặt dưới timer) ===== */
.dates-wrap {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,.14);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.dates-card {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 16px;
    padding: 12px;
}

.dates-card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    color: rgba(255,255,255,.92);
}

    .dates-card-title h3 {
        margin: 0;
        font-size: 15px;
        font-weight: 800;
        letter-spacing: .2px;
    }

    .dates-card-title .material-symbols-outlined {
        font-size: 20px;
        opacity: .9;
    }

.dates-list {
    display: grid;
    gap: 10px;
}

.date-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(0,0,0,.14);
    border: 1px solid rgba(255,255,255,.10);
}

.date-label {
    color: rgba(255,255,255,.78);
    font-weight: 650;
    font-size: 13px;
    line-height: 1.25;
}

.date-value {
    color: rgba(255,255,255,.95);
    font-weight: 850;
    font-size: 13px;
    line-height: 1.25;
    text-align: right;
    white-space: nowrap;
}

.date-note {
    margin: 0;
    padding: 0 4px;
    color: rgba(255,255,255,.65);
    font-size: 12px;
    line-height: 1.35;
}

.date-pill {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 12px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(37,99,235,.18), rgba(124,58,237,.16));
    border: 1px solid rgba(255,255,255,.12);
}

.pill-title {
    color: rgba(255,255,255,.90);
    font-weight: 900;
    font-size: 13px;
}

.pill-value {
    color: rgba(255,255,255,.95);
    font-weight: 850;
    font-size: 13px;
    white-space: nowrap;
}

/* Mobile */
@media (max-width: 820px) {
    .dates-wrap {
        grid-template-columns: 1fr;
    }

    .date-value, .pill-value {
        white-space: normal;
    }
}
/* =========================
   BASE / RESET (giữ 1 lần)
   ========================= */
*{ margin:0; padding:0; box-sizing:border-box; }

:root{
  --primary:#005aa8;
  --background-light:#f5f7f8;
  --text-dark:#0c151d;

  /* Header */
  --header-h:74px;
  --line: rgba(15,23,42,.10);
  --shadow: 0 12px 40px rgba(2,6,23,.10);
  --shadow-soft: 0 10px 25px rgba(2,6,23,.08);

  /* Timer theme */
  --timer-bg1:#0b1020;
  --timer-bg2:#111a33;
  --timer-card: rgba(255,255,255,.08);
  --timer-stroke: rgba(255,255,255,.14);
  --timer-text: rgba(255,255,255,.92);
  --timer-muted: rgba(255,255,255,.70);
  --timer-shadow: 0 20px 60px rgba(0,0,0,.45);
  --timer-glow: 0 0 0 1px rgba(255,255,255,.08), 0 18px 40px rgba(0,0,0,.45);
}

body{
  font-family: 'Inter', sans-serif;
  background: var(--background-light);
  color: var(--text-dark);
  line-height: 1.5;
}

.material-symbols-outlined{
  font-variation-settings:'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 24;
}

/* =========================
   HEADER (chỉ dùng .site-header)
   ========================= */
.site-header{
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(245,247,248,.80);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(226,232,240,1);
}

.site-header .header-container{
  height: var(--header-h);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-header .logo-img{
  height: 44px;
  width: auto;
  display: block;
}

.site-header .nav-menu{
  flex: 1;
  display: flex;
  justify-content: center;
}

.site-header .elementor-nav-menu{
  list-style:none;
  display:flex;
  align-items:center;
  gap:6px;
  margin:0;
  padding:0;
}

.site-header .elementor-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-radius:12px;
  color:#0f172a;
  text-decoration:none;
  font-size:15px;
  font-weight:650;
  transition: background 180ms ease, transform 180ms ease;
}
.site-header .elementor-item:hover{
  background: rgba(2,6,23,.05);
  transform: translateY(-1px);
}

.site-header .menu-item-has-children > .sub-menu{
  list-style:none;
  position:absolute;
  left:0;
  top: calc(100% + 10px);
  min-width: 320px;
  margin:0;
  padding:10px;
  background: rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow: var(--shadow);
  opacity:0;
  transform: translateY(8px);
  pointer-events:none;
  transition: opacity 180ms ease, transform 180ms ease;
}
.site-header .menu-item-has-children:hover > .sub-menu,
.site-header .menu-item-has-children:focus-within > .sub-menu,
.site-header .menu-item-has-children.open > .sub-menu{
  opacity:1;
  transform: translateY(0);
  pointer-events:auto;
}

.site-header .elementor-sub-item{
  display:block;
  padding:10px 12px;
  border-radius:12px;
  text-decoration:none;
  color:#475569;
  font-weight:600;
}
.site-header .elementor-sub-item:hover{
  background: rgba(2,6,23,.06);
  color:#0f172a;
}

.site-header .header-actions{
  display:flex;
  align-items:center;
  gap:10px;
}

/* nút chỉ dùng chung 1 lần */
.btn{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.70);
  border-radius: 14px;
  height: 40px;
  padding: 0 14px;
  display:inline-flex;
  align-items:center;
  gap: 8px;
  cursor:pointer;
  color:#0f172a;
  font-weight: 750;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.btn:hover{
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
  background: rgba(255,255,255,.95);
}
.btn-icon{ width:44px; padding:0; justify-content:center; }
.btn-primary{
  border:0;
  color:#fff;
  box-shadow: 0 10px 25px rgba(37,99,235,.25);
}
.hidden-mobile{ display:inline-flex; }
.show-mobile{ display:none; }

.site-header .nav-overlay{
  position: fixed;
  inset:0;
  background: rgba(2,6,23,.45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 998;
}

@media (max-width: 900px){
  .show-mobile{ display:inline-flex; }
  .hidden-mobile{ display:none; }

  .site-header .nav-menu{
    position: fixed;
    top: 0; right: 0;
    height: 100dvh;
    width: min(86vw, 360px);
    background: rgba(255,255,255,.95);
    border-left: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateX(104%);
    transition: transform 220ms ease;
    z-index: 999;
    padding: 90px 14px 14px;
    justify-content: flex-start;
  }
  .site-header .nav-menu.open{ transform: translateX(0); }

  .site-header .elementor-nav-menu{
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
  }

  .site-header .elementor-item{
    width:100%;
    justify-content:space-between;
    background: rgba(2,6,23,.03);
    border-radius: 14px;
  }

  .site-header .menu-item-has-children > .sub-menu{
    position: static;
    min-width: unset;
    margin-top: 6px;
    box-shadow:none;
    background: rgba(2,6,23,.03);
    border: 1px solid rgba(2,6,23,.06);
    opacity:1;
    transform:none;
    pointer-events:auto;
    display:none;
  }
  .site-header .menu-item-has-children.open > .sub-menu{ display:block; }
}

/* =========================
   HERO SLIDER (chỉ dùng .hero-slider)
   -> KHÔNG dùng .hero chung nữa
   ========================= */
.hero-slider{
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  min-height: clamp(520px, 78vh, 820px);
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 0;
  isolation: isolate;
}

.hero-slider .hero-slides{ position:absolute; inset:0; z-index:0; }
.hero-slider .hero-slide{
  position:absolute; inset:0;
  background-image: var(--bg);
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  opacity: 0;
  transition: opacity 900ms ease, transform 1800ms ease;
  will-change: opacity, transform;
  filter: saturate(1.05) contrast(1.02) brightness(1.12);
}
.hero-slider .hero-slide.is-active{
  opacity:1;
  transform: scale(1.00);
}

.hero-slider .hero-overlay{
  position:absolute; inset:0; z-index:1;
  background:
    radial-gradient(900px 520px at 18% 25%, rgba(0,255,209,.12), transparent 60%),
    radial-gradient(900px 520px at 85% 30%, rgba(255,91,154,.10), transparent 55%),
    linear-gradient(90deg, rgba(255,255,255,.42), rgba(255,255,255,.18) 55%, rgba(255,255,255,.30));
}

.hero-slider .hero-content{
  position: relative;
  z-index:2;
  width: min(980px, calc(100% - 28px));
  padding: clamp(22px, 3.6vw, 44px);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.52));
  border: 1px solid rgba(255,255,255,.60);
  box-shadow: 0 18px 60px rgba(0,0,0,.18);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  text-align:center;
}

.hero-slider .hero-title{
  margin:0;
  color: rgba(10,16,26,.92);
  font-weight: 950;
  letter-spacing: .2px;
  line-height: 1.12;
  font-size: clamp(22px, 3.2vw, 44px);
  text-shadow: 0 10px 24px rgba(0,0,0,.10);
}

.hero-slider .hero-subtitle{
  margin: 12px 0 0;
  color: rgba(10,16,26,.72);
  font-weight: 650;
  letter-spacing: .2px;
  line-height: 1.35;
  font-size: clamp(13px, 1.7vw, 18px);
}

.hero-slider .hero-buttons{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
  margin-top: 18px;
}

/* chỉ “đẹp nút” trong hero, không đè nút chỗ khác */
.hero-slider .btn{
  border-radius: 16px;
  border: 1px solid rgba(10,16,26,.14);
  box-shadow: 0 14px 40px rgba(0,0,0,.18);
}
.hero-slider .btn-outline{
  background: rgba(255,255,255,.52);
  border-color: rgba(10,16,26,.16);
}
.hero-slider .btn-outline span,
.hero-slider .btn-outline svg{
  color: rgba(10,16,26,.82);
}

.hero-slider .hero-nav{
  position:absolute;
  z-index:3;
  top:50%;
  transform: translateY(-50%);
  width:44px; height:44px;
  border-radius: 999px;
  border: 1px solid rgba(10,16,26,.14);
  background: rgba(255,255,255,.55);
  color: rgba(10,16,26,.75);
  display:grid;
  place-items:center;
  cursor:pointer;
  box-shadow: 0 16px 44px rgba(0,0,0,.16);
}
.hero-slider .hero-prev{ left:14px; }
.hero-slider .hero-next{ right:14px; }

@media (max-width:760px){
  .hero-slider .hero-nav{ display:none; }
  .hero-slider .hero-content{ border-radius: 18px; }
}

/* =========================
   TIMER (giữ 1 bản, xóa bản timer xám cũ)
   ========================= */
.timer-section{
  padding: clamp(24px, 4vw, 56px) 16px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(120,119,198,.45), transparent 60%),
    radial-gradient(900px 450px at 90% 10%, rgba(0,200,255,.28), transparent 55%),
    linear-gradient(135deg, var(--timer-bg1), var(--timer-bg2));
}
.timer-section::before{
  content:"";
  position:absolute;
  inset:-60px;
  background:
    radial-gradient(300px 300px at 25% 30%, rgba(255,91,154,.22), transparent 60%),
    radial-gradient(260px 260px at 75% 60%, rgba(0,255,209,.18), transparent 60%);
  filter: blur(18px);
  pointer-events:none;
}

.timer-section .timer-container{
  max-width: 980px;
  margin: 0 auto;
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
  border: 1px solid var(--timer-stroke);
  box-shadow: var(--timer-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.timer-section .timer-header{ text-align:center; margin-bottom: clamp(14px, 2vw, 22px); }

.timer-section .timer-title{
  margin:0;
  font-size: clamp(18px, 2.4vw, 28px);
  line-height: 1.15;
  color: var(--timer-text);
  letter-spacing: .2px;
}
.timer-section .timer-subtitle{
  margin: 8px 0 0;
  color: var(--timer-muted);
  font-size: clamp(12px, 1.6vw, 14px);
}

.timer-section .timer-grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(10px, 2vw, 16px);
}

.timer-section .timer-item{ text-align:center; }

.timer-section .timer-box{
  position: relative;
  border-radius: 20px;
  padding: 18px 10px;
  background:
    radial-gradient(140px 80px at 30% 20%, rgba(255,255,255,.14), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--timer-glow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  overflow: hidden;
}
.timer-section .timer-item:hover .timer-box{
  transform: translateY(-4px) scale(1.01);
  border-color: rgba(255,255,255,.22);
  box-shadow: 0 28px 70px rgba(0,0,0,.55);
}

.timer-section .timer-number{
  margin:0;
  font-weight: 900;
  color: var(--timer-text);
  font-variant-numeric: tabular-nums;
  letter-spacing: .6px;
  font-size: clamp(22px, 3.4vw, 44px);
  text-shadow: 0 10px 30px rgba(0,0,0,.35);
}

.timer-section .timer-label{
  margin: 10px 0 0;
  color: var(--timer-muted);
  font-weight: 750;
  letter-spacing: .3px;
  font-size: clamp(12px, 1.7vw, 14px);
}

@media (max-width:720px){
  .timer-section .timer-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width:360px){
  .timer-section .timer-grid{ grid-template-columns: 1fr; }
}
/* ==================================================
   SPONSORS SECTION (dán CUỐI file CSS)
   ================================================== */

.sponsors-section {
    position: relative;
    overflow: hidden;
    padding: clamp(56px, 6vw, 92px) 1rem;
    background: radial-gradient(900px 420px at 10% -10%, rgba(0,255,209,.14), transparent 60%), radial-gradient(900px 420px at 90% 0%, rgba(255,91,154,.12), transparent 55%), linear-gradient(180deg, #f8fbff 0%, #eef6ff 55%, #f9fbff 100%);
}

    .sponsors-section::before,
    .sponsors-section::after {
        content: "";
        position: absolute;
        width: 520px;
        height: 520px;
        border-radius: 999px;
        filter: blur(34px);
        opacity: .55;
        pointer-events: none;
    }

    .sponsors-section::before {
        left: -240px;
        top: -240px;
        background: radial-gradient(circle at 30% 30%, rgba(0,200,255,.50), rgba(0,255,209,.18), transparent 70%);
    }

    .sponsors-section::after {
        right: -260px;
        bottom: -260px;
        background: radial-gradient(circle at 40% 40%, rgba(255,91,154,.40), rgba(120,119,198,.22), transparent 70%);
    }

.sponsors-head {
    text-align: center;
    margin-bottom: clamp(18px, 2.2vw, 26px);
    position: relative;
    z-index: 1;
}

.sponsors-kicker {
    margin: 0 0 8px;
    font-weight: 900;
    letter-spacing: .8px;
    text-transform: uppercase;
    font-size: 12px;
    color: rgba(10,16,26,.65);
}

.sponsors-title {
    margin: 0;
    font-weight: 950;
    letter-spacing: .2px;
    line-height: 1.08;
    font-size: clamp(22px, 3vw, 42px);
    color: rgba(10,16,26,.92);
}

.sponsors-divider {
    height: 1px;
    margin: clamp(22px, 3.2vw, 34px) auto;
    width: min(980px, 92%);
    background: linear-gradient(90deg, transparent, rgba(2,6,23,.12), transparent);
}

/* Grid */
.sponsor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: clamp(12px, 2vw, 18px);
    position: relative;
    z-index: 1;
}

/* Card */
.sponsor-card {
    display: grid;
    gap: 12px;
    padding: 16px 16px 14px;
    border-radius: 18px;
    text-decoration: none;
    background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.62));
    border: 1px solid rgba(15,23,42,.10);
    box-shadow: 0 18px 60px rgba(2, 8, 23, .10);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

    .sponsor-card:hover {
        transform: translateY(-4px);
        border-color: rgba(15,23,42,.14);
        box-shadow: 0 26px 80px rgba(2, 8, 23, .16);
    }

/* Logo */
.sponsor-logo {
    height: 72px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: rgba(2,6,23,.03);
    border: 1px solid rgba(2,6,23,.06);
    overflow: hidden;
}

.sponsor-logo--square {
    height: 96px;
}

.sponsor-logo img {
    max-width: 20%;
    max-height: 80%;
    object-fit: contain;
    display: block;
}

/* Text */
.sponsor-name {
    margin: 0;
    font-size: 15px;
    font-weight: 900;
    line-height: 1.35;
    color: rgba(10,16,26,.92);
}

/* Mobile tweaks */
@media (max-width: 520px) {
    .sponsor-logo {
        height: 64px;
    }

    .sponsor-logo--square {
        height: 84px;
    }
}
/* ===== RIGHT MAP CARD (dán cuối CSS) ===== */
.venue-info--map .venue-map-embed {
    margin-top: 14px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,.06);
    box-shadow: 0 10px 30px rgba(0,0,0,.06);
    background: #fff;
}

.venue-info--map iframe {
    width: 100%;
    height: 360px;
    border: 0;
    display: block;
}

.venue-actions {
    display: flex;
    gap: 12px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.venue-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
    font-weight: 800;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    box-shadow: 0 12px 26px rgba(37,99,235,.18);
    transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}

    .venue-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 16px 34px rgba(37,99,235,.24);
        filter: brightness(1.02);
    }

.venue-btn--ghost {
    background: rgba(15,23,42,.06);
    color: #0f172a;
    box-shadow: none;
    border: 1px solid rgba(15,23,42,.10);
}

    .venue-btn--ghost:hover {
        box-shadow: 0 10px 24px rgba(0,0,0,.08);
    }
/* ================================
   COMMITTEE MEMBERS PAGE (ADD-ON)
   ================================ */

.cm-page {
    position: relative;
    overflow: hidden;
    padding: clamp(54px, 6vw, 92px) 1rem;
    background: radial-gradient(900px 420px at 10% -10%, rgba(0,255,209,.14), transparent 60%), radial-gradient(900px 420px at 92% 0%, rgba(255,91,154,.12), transparent 55%), linear-gradient(180deg, #f8fbff 0%, #eef6ff 55%, #f9fbff 100%);
}

    .cm-page::before,
    .cm-page::after {
        content: "";
        position: absolute;
        width: 520px;
        height: 520px;
        border-radius: 999px;
        filter: blur(34px);
        opacity: .55;
        pointer-events: none;
    }

    .cm-page::before {
        left: -240px;
        top: -240px;
        background: radial-gradient(circle at 30% 30%, rgba(0,200,255,.50), rgba(0,255,209,.18), transparent 70%);
    }

    .cm-page::after {
        right: -260px;
        bottom: -260px;
        background: radial-gradient(circle at 40% 40%, rgba(255,91,154,.40), rgba(120,119,198,.22), transparent 70%);
    }

.cm-hero {
    position: relative;
    z-index: 1;
    border-radius: 22px;
    padding: clamp(18px, 2.6vw, 28px);
    background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.58));
    border: 1px solid rgba(15,23,42,.10);
    box-shadow: 0 18px 60px rgba(2, 8, 23, .10);
    backdrop-filter: blur(10px);
}

.cm-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 900;
    letter-spacing: .6px;
    font-size: 12px;
    color: rgba(10,16,26,.88);
    background: linear-gradient(135deg, rgba(0,255,209,.18), rgba(0,200,255,.12));
    border: 1px solid rgba(15,23,42,.08);
}

.cm-title {
    margin: 12px 0 6px;
    font-weight: 950;
    letter-spacing: .2px;
    font-size: clamp(26px, 3.2vw, 44px);
    line-height: 1.08;
    color: rgba(10,16,26,.92);
}

.cm-subtitle {
    margin: 0;
    color: rgba(10,16,26,.68);
    font-weight: 600;
    font-size: clamp(14px, 1.6vw, 18px);
}

.cm-toolbar {
    margin-top: 16px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.cm-search {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(255,255,255,.75);
    border: 1px solid rgba(15,23,42,.10);
    box-shadow: 0 12px 30px rgba(2, 8, 23, .06);
}

    .cm-search input {
        border: 0;
        outline: none;
        background: transparent;
        width: 100%;
        font-weight: 700;
        color: rgba(10,16,26,.86);
    }

        .cm-search input::placeholder {
            color: rgba(10,16,26,.45);
            font-weight: 600;
        }

.cm-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.cm-chip {
    border: 1px solid rgba(15,23,42,.10);
    background: rgba(255,255,255,.70);
    color: rgba(10,16,26,.86);
    border-radius: 999px;
    padding: 10px 12px;
    font-weight: 850;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
    box-shadow: 0 10px 22px rgba(2, 8, 23, .06);
}

.cm-chip-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(0,255,209,.85), rgba(255,91,154,.55));
}

.cm-chip:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 30px rgba(2, 8, 23, .10);
}

.cm-chip.is-active {
    background: linear-gradient(135deg, rgba(37,99,235,.16), rgba(124,58,237,.14));
    border-color: rgba(15,23,42,.14);
}

.cm-groups {
    position: relative;
    z-index: 1;
    margin-top: 18px;
    display: grid;
    gap: 18px;
}

.cm-group {
    border-radius: 22px;
    padding: 16px;
    background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.58));
    border: 1px solid rgba(15,23,42,.10);
    box-shadow: 0 18px 60px rgba(2, 8, 23, .10);
    backdrop-filter: blur(10px);
}

.cm-group-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 6px 12px;
    border-bottom: 1px solid rgba(15,23,42,.08);
}

.cm-group-title {
    margin: 0;
    font-weight: 950;
    letter-spacing: .2px;
    font-size: clamp(18px, 2.1vw, 24px);
    color: rgba(10,16,26,.92);
}

.cm-count {
    display: inline-flex;
    align-items: center;
    padding: 8px 10px;
    border-radius: 999px;
    font-weight: 900;
    font-size: 12px;
    color: rgba(10,16,26,.82);
    background: rgba(2,6,23,.05);
    border: 1px solid rgba(15,23,42,.08);
}

.cm-grid {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.cm-card {
    display: flex;
    gap: 12px;
    padding: 14px;
    border-radius: 18px;
    background: rgba(255,255,255,.78);
    border: 1px solid rgba(15,23,42,.10);
    box-shadow: 0 12px 34px rgba(2, 8, 23, .08);
    transition: transform .16s ease, box-shadow .16s ease;
}

    .cm-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 20px 46px rgba(2, 8, 23, .12);
    }

.cm-avatar {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(37,99,235,.18), rgba(124,58,237,.16));
    border: 1px solid rgba(15,23,42,.10);
    flex: 0 0 auto;
}

    .cm-avatar .material-symbols-outlined {
        font-size: 22px;
        color: rgba(10,16,26,.80);
    }

.cm-info {
    min-width: 0;
}

.cm-name {
    margin: 0;
    font-weight: 950;
    font-size: 16px;
    color: rgba(10,16,26,.92);
}

.cm-aff {
    margin: 6px 0 0;
    color: rgba(10,16,26,.68);
    font-weight: 650;
    font-size: 13.5px;
    line-height: 1.5;
}

.cm-empty {
    position: relative;
    z-index: 1;
    margin-top: 14px;
    border-radius: 18px;
    padding: 16px;
    text-align: center;
    background: rgba(255,255,255,.75);
    border: 1px solid rgba(15,23,42,.10);
    box-shadow: 0 12px 34px rgba(2, 8, 23, .08);
}

    .cm-empty .material-symbols-outlined {
        font-size: 34px;
        opacity: .75;
    }

    .cm-empty p {
        margin: 8px 0 0;
        font-weight: 850;
        color: rgba(10,16,26,.78);
    }

/* responsive */
@media (min-width: 860px) {
    .cm-toolbar {
        grid-template-columns: 1fr auto;
        align-items: center;
    }

    .cm-filters {
        justify-content: flex-end;
    }
}

@media (max-width: 1024px) {
    .cm-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .cm-grid {
        grid-template-columns: 1fr;
    }
}
/* ===== HERO SLIDER: ẢNH LUÔN FIT KHUNG (OVERRIDE) ===== */
.hero.hero-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
}
/* ===== TIMER: PURE MINIMAL (WHITE BG / BLACK TEXT / BLACK BORDERS) ===== */
.timer-section {
    background: #fff !important;
    color: #000 !important;
    padding: clamp(24px, 4vw, 56px) 16px;
}

    .timer-section::before {
        display: none !important;
    }

    .timer-section .timer-container {
        max-width: 980px;
        margin: 0 auto;
        padding: clamp(18px, 2.4vw, 28px);
        border-radius: 18px;
        background: #fff !important;
        border: 2px solid #000;
        box-shadow: none !important;
    }

    .timer-section .timer-header {
        text-align: center;
        margin-bottom: 16px;
    }

    .timer-section .timer-title {
        margin: 0;
        color: #000 !important;
        font-size: clamp(18px, 2.4vw, 28px);
        font-weight: 900;
    }

    .timer-section .timer-subtitle {
        margin: 8px 0 0;
        color: #000 !important;
        font-size: clamp(12px, 1.6vw, 14px);
        opacity: .75;
    }

    .timer-section .timer-grid {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 12px;
    }

    .timer-section .timer-item {
        text-align: center;
    }

    .timer-section .timer-box {
        border-radius: 14px;
        padding: 18px 10px;
        background: #fff !important;
        border: 2px solid #000;
        transition: transform .15s ease;
    }

    .timer-section .timer-item:hover .timer-box {
        transform: translateY(-2px);
    }

    .timer-section .timer-number {
        display: block;
        margin: 0;
        color: #000 !important;
        font-weight: 900;
        font-variant-numeric: tabular-nums;
        letter-spacing: .5px;
        font-size: clamp(22px, 3.4vw, 44px);
    }

    .timer-section .timer-label {
        display: block;
        margin-top: 10px;
        color: #000 !important;
        font-weight: 700;
        font-size: 13px;
        opacity: .8;
    }

/* Responsive timer */
@media (max-width:720px) {
    .timer-section .timer-grid {
        grid-template-columns: repeat(2, minmax(0,1fr));
    }
}

@media (max-width:360px) {
    .timer-section .timer-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== IMPORTANT DATES (SCOPED) ===== */
.timer-section .dates-wrap {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 2px solid #000;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.timer-section .dates-card {
    background: #fff !important;
    border: 2px solid #000;
    border-radius: 16px;
    padding: 12px;
}

.timer-section .dates-card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    color: #000 !important;
}

    .timer-section .dates-card-title h3 {
        margin: 0;
        font-size: 15px;
        font-weight: 900;
        color: #000 !important;
    }

    .timer-section .dates-card-title .material-symbols-outlined {
        font-size: 20px;
        color: #000 !important;
    }

.timer-section .dates-list {
    display: grid;
    gap: 10px;
}

.timer-section .date-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 14px;
    background: #fff !important;
    border: 2px solid #000;
}

.timer-section .date-label {
    color: #000 !important;
    font-weight: 700;
    font-size: 13px;
    line-height: 1.25;
    opacity: .8;
}

.timer-section .date-value {
    color: #000 !important;
    font-weight: 900;
    font-size: 13px;
    line-height: 1.25;
    text-align: right;
    white-space: nowrap;
    margin-right: 70px;
}

.timer-section .date-note {
    margin: 0;
    color: #000 !important;
    font-size: 12px;
    line-height: 1.35;
    opacity: .7;
}

/* Pill */
.timer-section .date-pill {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 14px;
    background: #fff !important;
    border: 2px solid #000;
}

.timer-section .pill-title {
    color: #000 !important;
    font-weight: 900;
    font-size: 13px;
}

.timer-section .pill-value {
    color: #000 !important;
    font-weight: 900;
    font-size: 13px;
    white-space: nowrap;
    margin-right: 70px;
}

/* Responsive dates */
@media (max-width:820px) {
    .timer-section .dates-wrap {
        grid-template-columns: 1fr;
    }

    .timer-section .date-value,
    .timer-section .pill-value {
        white-space: normal;
    }
}
/* Intro images: fit nicely */
.intro-images {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    align-content: start;
}

.intro-img {
    width: 100%;
    height: clamp(220px, 28vw, 360px); /* chỉnh cao thấp tùy ý */
    object-fit: cover; /* vừa khung, không méo */
    border-radius: 16px;
    border: 2px solid #000; /* theo style đen-trắng của b */
    background: #fff;
    display: block;
}

/* ảnh thứ 2 lệch xuống nhẹ (thay margin-top inline) */
.intro-img--offset {
    margin-top: 24px;
}

/* màn nhỏ thì bỏ lệch để gọn */
@media (max-width: 768px) {
    .intro-img--offset {
        margin-top: 0;
    }
}
/* ===== AGENDA: WHITE BG / BLACK TEXT / BLACK BORDERS (NO COLOR) ===== */

/* Reset scope cho agenda */
.agenda-page {
    position: relative;
    padding: 28px 16px 42px;
    background: #fff !important;
    color: #000 !important;
    overflow: hidden;
}

    .agenda-page::before,
    .agenda-page::after {
        display: none !important;
    }

.agenda-wrap {
    max-width: 1100px;
    margin: 0 auto;
}

/* Hero */
.agenda-hero {
    background: #fff !important;
    color: #000 !important;
    border: 2px solid #000;
    border-radius: 18px;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    padding: 18px 18px 14px;
}

.agenda-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border: 2px solid #000;
    background: #fff !important;
    border-radius: 999px;
    color: #000 !important;
    font-weight: 900;
    font-size: 12px;
    letter-spacing: .2px;
    white-space: nowrap;
}

.agenda-title {
    margin: 10px 0 4px;
    font-size: 28px;
    line-height: 1.15;
    font-weight: 950;
    letter-spacing: .2px;
    color: #000 !important;
}

.agenda-sub {
    margin: 0;
    color: #000 !important;
    opacity: .75;
    font-size: 14px;
    line-height: 1.45;
}

.agenda-meta {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 999px;
    border: 2px solid #000;
    background: #fff !important;
    color: #000 !important;
    font-weight: 900;
    font-size: 12px;
}

/* Day cards */
.agenda-days {
    margin-top: 14px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.day-card {
    background: #fff !important;
    border: 2px solid #000;
    border-radius: 18px;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    overflow: hidden;
}

.day-head {
    padding: 16px 16px 12px;
    border-bottom: 2px solid #000;
    background: #fff !important;
}

.day-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.day-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 2px solid #000;
    background: #fff !important;
    color: #000 !important;
    font-weight: 950;
    font-size: 12px;
    letter-spacing: .25px;
    white-space: nowrap;
}

.day-date {
    margin: 0;
    font-size: 18px;
    font-weight: 950;
    letter-spacing: .2px;
    color: #000 !important;
}

.day-desc {
    margin: 6px 0 0;
    color: #000 !important;
    opacity: .75;
    font-size: 14px;
    line-height: 1.45;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 14px 16px 18px;
}

    .timeline::before {
        content: "";
        position: absolute;
        top: 18px;
        bottom: 18px;
        left: 120px; /* cột giờ */
        width: 2px;
        background: #000; /* line đen */
    }

.t-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 14px;
    padding: 10px 0;
    position: relative;
}

.t-time {
    align-self: start;
    justify-self: end;
    font-weight: 950;
    font-size: 13px;
    color: #000 !important;
    padding: 8px 10px;
    border-radius: 12px;
    border: 2px solid #000;
    background: #fff !important;
    min-width: 92px;
    text-align: center;
    letter-spacing: .2px;
}

.t-dot {
    position: absolute;
    left: 120px;
    top: 22px;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #000; /* dot đen */
    box-shadow: none !important;
}

.t-card {
    background: #fff !important;
    border: 2px solid #000;
    border-radius: 14px;
    padding: 12px 12px;
    transition: transform 150ms ease;
}

    .t-card:hover {
        transform: translateY(-2px);
    }

.t-title {
    margin: 0;
    font-size: 14px;
    font-weight: 950;
    letter-spacing: .15px;
    line-height: 1.25;
    color: #000 !important;
}

.t-note {
    margin: 6px 0 0;
    color: #000 !important;
    opacity: .75;
    font-size: 13px;
    line-height: 1.45;
}

/* Footer */
.agenda-foot {
    margin-top: 14px;
    color: #000 !important;
    opacity: .65;
    font-size: 12px;
    text-align: center;
}

/* Responsive */
@media (max-width: 720px) {
    .timeline::before {
        left: 104px;
    }

    .t-dot {
        left: 104px;
    }

    .t-item {
        grid-template-columns: 92px 1fr;
    }

    .t-time {
        min-width: 80px;
    }
}
/* ===== FIX DROPDOWN: không bị mất khi rê nhanh ===== */
.nav-menu .menu-item-has-children {
    position: relative;
}

    /* mặc định ẩn */
    .nav-menu .menu-item-has-children > .sub-menu {
        position: absolute;
        top: calc(100% + 8px); /* tạo khoảng nhìn, nhưng sẽ có "bridge" bên dưới */
        left: 0;
        min-width: 260px;
        z-index: 9999;
        background: #fff;
        border: 2px solid #000;
        border-radius: 12px;
        /* dùng opacity/visibility thay vì display:none để không bị rớt hover */
        opacity: 0;
        visibility: hidden;
        transform: translateY(-6px);
        pointer-events: none;
        transition: opacity .12s ease, transform .12s ease, visibility .12s;
        padding: 8px;
    }

        /* "bridge" nối từ nút cha xuống submenu để rê nhanh không bị hụt */
        .nav-menu .menu-item-has-children > .sub-menu::before {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            top: -10px;
            height: 10px;
        }

    /* hover vào LI (cha) thì mở menu */
    .nav-menu .menu-item-has-children:hover > .sub-menu,
    .nav-menu .menu-item-has-children:focus-within > .sub-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }

    /* tăng vùng hover của link cha */
    .nav-menu .menu-item-has-children > a {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 12px;
    }

/* submenu items */
.nav-menu .sub-menu .menu-item > a {
    display: block;
    padding: 10px 10px;
    border-radius: 10px;
    color: #000;
    text-decoration: none;
    border: 1px solid transparent;
}

    /* hover item */
    .nav-menu .sub-menu .menu-item > a:hover {
        border-color: #000;
    }

/* mũi tên xoay khi mở */
.nav-menu .menu-item-has-children:hover .sub-arrow,
.nav-menu .menu-item-has-children:focus-within .sub-arrow {
    transform: rotate(180deg);
}

.nav-menu .sub-arrow {
    display: inline-block;
    transition: transform .12s ease;
}
/* ===== PUBLISHING: WHITE BG / BLACK TEXT / BLACK BORDERS ===== */
.publishing-section {
    padding: 28px 0;
    background: #fff !important;
    color: #000 !important;
}

.publishing-wrap {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 16px;
}

.publishing-card {
    background: #fff !important;
    border: 2px solid #000;
    border-radius: 18px;
    box-shadow: none !important;
    overflow: hidden;
}

/* Header */
.publishing-head {
    padding: 18px 20px;
    background: #fff !important;
    border-bottom: 2px solid #000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.publishing-head-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.publishing-kicker {
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
    font-size: 12px;
    color: #000 !important;
    display: flex;
    align-items: center;
    gap: 8px;
}

    /* dot chuyển thành chấm đen */
    .publishing-kicker .dot {
        width: 10px;
        height: 10px;
        border-radius: 999px;
        background: #000 !important;
        box-shadow: none !important;
        flex: 0 0 auto;
    }

.publishing-title {
    margin: 2px 0 0 0;
    color: #000 !important;
    font-size: 22px;
    font-weight: 950;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.publishing-sub {
    margin: 6px 0 0 0;
    color: #000 !important;
    opacity: .75;
    font-size: 13px;
    line-height: 1.45;
}

/* Badges: trắng/đen */
.publishing-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 10px;
    border-radius: 999px;
    background: #fff !important;
    border: 2px solid #000;
    color: #000 !important;
    font-size: 12px;
    font-weight: 900;
    user-select: none;
}

    .badge svg {
        width: 14px;
        height: 14px;
        opacity: 1 !important;
    }

/* Body */
.publishing-body {
    padding: 14px 14px 18px;
    background: #fff !important;
}

/* Items */
.publishing-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr;
}

.publishing-item {
    background: #fff !important;
    border: 2px solid #000;
    border-radius: 16px;
    overflow: hidden;
    transition: transform .15s ease;
}

    .publishing-item:hover {
        transform: translateY(-2px);
    }

    .publishing-item > summary {
        list-style: none;
        cursor: pointer;
        padding: 14px 14px;
        display: flex;
        align-items: flex-start;
        gap: 12px;
        outline: none;
    }

        .publishing-item > summary::-webkit-details-marker {
            display: none;
        }

/* Step: số trong ô viền đen */
.step {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 950;
    color: #000 !important;
    background: #fff !important;
    border: 2px solid #000;
    box-shadow: none !important;
    flex: 0 0 auto;
}

.item-content {
    min-width: 0;
    flex: 1 1 auto;
}

.item-title {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 0;
    color: #000 !important;
    font-size: 16px;
    font-weight: 950;
    line-height: 1.25;
}

/* Pill: trắng/đen */
.pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 900;
    border: 2px solid #000;
    background: #fff !important;
    color: #000 !important;
}

.chev {
    margin-left: auto;
    flex: 0 0 auto;
    opacity: 1 !important;
    transition: transform .15s ease;
    color: #000 !important;
}

details[open] .chev {
    transform: rotate(180deg);
}

.publishing-desc {
    margin: 6px 0 0 0;
    color: #000 !important;
    opacity: .75;
    font-size: 13px;
    line-height: 1.6;
}

.publishing-detail {
    padding: 0 14px 14px 60px;
    color: #000 !important;
    opacity: .85;
    font-size: 13px;
    line-height: 1.7;
}

    .publishing-detail .note {
        display: block;
        margin-top: 10px;
        padding: 10px 12px;
        border-radius: 12px;
        border: 2px dashed #000;
        background: #fff !important;
        color: #000 !important;
        opacity: .9;
    }

/* Responsive nhỏ: badges xuống dòng đẹp */
@media (max-width: 720px) {
    .publishing-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .publishing-badges {
        justify-content: flex-start;
    }
}
/* ===== TIMER BOXES: GIỮ KHUNG VIỀN ĐEN ===== */
.timer-section {
    background: #fff;
    color: #000;
    padding: 28px 16px;
}

    .timer-section .timer-container {
        max-width: 980px;
        margin: 0 auto;
        border: 2px solid #000; /* khung ngoài vẫn giữ nếu b muốn */
        border-radius: 18px;
        padding: 18px;
        background: #fff;
    }

    .timer-section .timer-header {
        text-align: center;
        margin-bottom: 14px;
    }

    .timer-section .timer-title {
        margin: 0;
        font-weight: 950;
        font-size: clamp(18px, 2.4vw, 28px);
    }

    .timer-section .timer-subtitle {
        margin: 8px 0 0;
        opacity: .7;
        font-size: 14px;
    }

    /* Grid timer */
    .timer-section .timer-grid {
        display: grid;
        grid-template-columns: repeat(4, minmax(0,1fr));
        gap: 12px;
    }

    .timer-section .timer-item {
        text-align: center;
    }

    .timer-section .timer-box {
        background: #fff;
        border: 2px solid #000;
        border-radius: 14px;
        padding: 18px 10px;
    }

    .timer-section .timer-number {
        display: block;
        font-weight: 950;
        font-variant-numeric: tabular-nums;
        letter-spacing: .5px;
        font-size: clamp(22px, 3.4vw, 44px);
    }

    .timer-section .timer-label {
        display: block;
        margin-top: 10px;
        font-weight: 800;
        opacity: .75;
        font-size: 13px;
    }

    /* ===== PHẦN DƯỚI: BỎ BORDER, TỐI GIẢN NHƯNG ĐẸP ===== */
    .timer-section .dates-wrap {
        margin-top: 18px;
        padding-top: 14px;
        border-top: 1px solid #000; /* 1 đường kẻ mảnh thôi cho sạch */
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }

    /* bỏ viền card */
    .timer-section .dates-card {
        border: 0 !important;
        background: transparent !important;
        padding: 0 !important;
        border-radius: 0 !important;
    }

    .timer-section .dates-card-title {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 10px;
    }

        .timer-section .dates-card-title h3 {
            margin: 0;
            font-size: 15px;
            font-weight: 950;
        }

        .timer-section .dates-card-title .material-symbols-outlined {
            color: #000;
            font-size: 20px;
        }

    /* list gọn, không box */
    .timer-section .dates-list {
        display: grid;
        gap: 10px;
    }

    /* mỗi dòng chỉ là 1 row, không border */
    .timer-section .date-row {
        display: flex;
        justify-content: space-between;
        gap: 12px;
        padding: 0;
        border: 0 !important;
        background: transparent !important;
    }

    .timer-section .date-label {
        font-weight: 750;
        opacity: .75;
        font-size: 13px;
    }

    .timer-section .date-value {
        font-weight: 950;
        font-size: 13px;
        text-align: right;
        white-space: nowrap;
    }

    /* note tối giản */
    .timer-section .date-note {
        margin: 2px 0 0;
        opacity: .65;
        font-size: 12px;
        line-height: 1.35;
    }

    /* pill -> chỉ là 1 dòng strong */
    .timer-section .date-pill {
        border: 0 !important;
        background: transparent !important;
        padding: 0 !important;
        display: flex;
        justify-content: space-between;
        gap: 12px;
    }

    .timer-section .pill-title {
        font-weight: 950;
        font-size: 13px;
        opacity: .85;
    }

    .timer-section .pill-value {
        font-weight: 950;
        font-size: 13px;
        white-space: nowrap;
    }

/* Responsive */
@media (max-width: 720px) {
    .timer-section .timer-grid {
        grid-template-columns: repeat(2, minmax(0,1fr));
    }

    .timer-section .dates-wrap {
        grid-template-columns: 1fr;
    }

    .timer-section .date-value,
    .timer-section .pill-value {
        white-space: normal;
    }
}
/* Justify text (căn đều 2 bên) */
.intro-section .section-text {
    text-align: justify;
    text-justify: inter-word;
    line-height: 1.7;
    margin: 0 0 12px;
}

/* Đỡ bị hở chữ khi justify */
.intro-section {
    hyphens: auto;
    -webkit-hyphens: auto;
    -ms-hyphens: auto;
}

    /* Nếu tiếng Anh: cho browser tự ngắt từ tốt hơn */
    .intro-section .section-text {
        overflow-wrap: break-word;
        word-break: normal;
    }
/* ===== AGENDA OVERRIDE: chữ to hơn + bỏ khung trong + align middle ===== */

/* 1) Chữ to hơn chút */
.agenda-title {
    font-size: 32px;
}

.agenda-sub {
    font-size: 16px;
}

.day-date {
    font-size: 20px;
}

.day-desc {
    font-size: 15px;
}

.t-time {
    font-size: 14px;
}

.t-title {
    font-size: 15px;
}

.t-note {
    font-size: 14px;
}

/* 2) Bỏ “khung ở trong” (pill/badge/time/card) */
.agenda-kicker,
.meta-pill,
.day-badge {
    border: 0 !important;
    background: transparent !important;
    padding: 0 !important;
    color: inherit;
}

/* Nếu b vẫn muốn có khoảng cách đẹp cho meta */
.agenda-meta {
    gap: 14px;
}

.meta-pill {
    font-weight: 800;
    opacity: .9;
}

/* Timeline line mảnh thôi (hoặc muốn bỏ hẳn thì comment block này) */
.timeline::before {
    width: 1px;
    opacity: .35;
}

/* Từng item: canh giữa theo chiều dọc */
.t-item {
    align-items: center; /* MIDDLE */
    padding: 12px 0;
}

/* Time: bỏ box, chỉ còn chữ */
.t-time {
    border: 0 !important;
    background: transparent !important;
    padding: 0 !important;
    min-width: auto !important;
    text-align: right;
    opacity: .95;
    align-self: center;
}

/* Dot: đưa vào giữa hàng */
.t-dot {
    display:none;
    top: 50% !important;
    transform: translate(-50%, -50%) !important;
    box-shadow: none !important;
}

/* Card nội dung: bỏ viền/khung, giữ spacing cho dễ đọc */
.t-card {
    border: 0 !important;
    background: transparent !important;
    padding: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

/* Giữ cảm giác “đẹp” bằng 1 đường kẻ nhẹ giữa các dòng (tuỳ thích) */
.t-item:not(:last-child)::after {
    content: "";
    grid-column: 2 / -1;
    height: 1px;
    background: rgba(255,255,255,.10);
    margin-top: 12px;
}
@media (max-width: 900px) {
    /* 1. Ép Header không được làm mờ khi ở mobile để tránh màu xám */
    .site-header {
        background: #ffffff !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }

        /* 2. Ép Menu phải có nền trắng đặc (không trong suốt) */
        .site-header .nav-menu {
            position: fixed !important;
            background: #ffffff !important; /* Trắng đặc hoàn toàn */
            opacity: 1 !important;
            visibility: visible;
            right: 0;
            top: 0;
            height: 100vh;
            width: min(86vw, 360px);
            transform: translateX(105%); /* Giấu đi */
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 9999;
            display: flex !important;
            flex-direction: column;
            padding-top: 80px; /* Chừa chỗ cho nút đóng */
            box-shadow: -5px 0 20px rgba(0,0,0,0.1);
        }

            /* 3. Khi menu mở */
            .site-header .nav-menu.open {
                transform: translateX(0);
            }

        /* 4. Làm đẹp các ô item cho giống ảnh bạn muốn */
        .site-header .elementor-item {
            background: #f8f9fa !important; /* Màu nền nhẹ cho từng ô */
            margin: 5px 15px !important;
            border-radius: 12px !important;
            border: 1px solid #eee !important;
            justify-content: flex-start !important;
        }

        /* 5. Overlay - Lớp phủ phải nằm dưới menu */
        .site-header .nav-overlay {
            background: rgba(0, 0, 0, 0.5) !important; /* Đen mờ hẳn cho rõ */
            z-index: 9998 !important;
        }
}
/* 1. KHÓA CHẶT BODY: Không cho phép trượt ngang dù bất cứ giá trị nào lòi ra ngoài */
html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    position: relative !important;
    margin: 0;
    padding: 0;
}

@media (max-width: 900px) {
    /* 2. MENU MOBILE: Phải dùng Fixed và đẩy ra xa khỏi tầm nhìn */
    .site-header .nav-menu {
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        width: 280px !important;
        height: 100vh !important;
        background: #ffffff !important;
        z-index: 999999 !important;
        /* Chìa khóa ở đây: Đẩy menu ra ngoài hẳn 100% và dùng Visibility */
        transform: translateX(100%) !important;
        visibility: hidden; /* Vô hình hoàn toàn khi đóng */

        transition: transform 0.3s ease, visibility 0.3s ease !important;
        display: block !important;
        box-shadow: none; /* Tắt shadow khi đóng để không bị vệt đen ở rìa */
    }

        /* 3. KHI MENU MỞ: Hiện hình và trượt vào */
        .site-header .nav-menu.open {
            transform: translateX(0) !important;
            visibility: visible !important;
            box-shadow: -10px 0 30px rgba(0,0,0,0.1) !important;
        }

    /* 4. OVERLAY: Phải bao phủ toàn bộ để chặn ngón tay vuốt lung tung */
    .site-header .nav-overlay {
        position: fixed !important;
        top: 0;
        left: 0;
        width: 100vw !important;
        height: 100vh !important;
        background: rgba(0, 0, 0, 0.5) !important;
        z-index: 999998 !important;
        display: none;
    }

        .site-header .nav-overlay.show {
            display: block !important;
        }
}
/* ==========================================================
   FIX 2026-02-05: HẾT KÉO NGANG + OVERLAY/MENU MOBILE CHUẨN
   ========================================================== */

/* 1) Chặn kéo ngang (iOS/Android/desktop) */
html, body {
    overflow-x: clip !important;
    overscroll-behavior-x: none !important;
}

@supports not (overflow-x: clip) {
    html, body {
        overflow-x: hidden !important;
    }
}

/* 2) Overlay phải ẨN mặc định */
.nav-overlay,
.site-header .nav-overlay {
    display: none !important;
}

    /* 3) Khi mở menu mới hiện overlay */
    .nav-overlay.show,
    .site-header .nav-overlay.show {
        display: block !important;
    }

/* 4) Overlay full màn hình + không blur */
.nav-overlay {
    position: fixed !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: rgba(2, 6, 23, .55) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    z-index: 999998 !important;
}

/* 5) Drawer luôn nằm trên overlay */
@media (max-width: 900px) {
    .nav-menu {
        z-index: 999999 !important;
    }
}

/* 6) Điện thoại nhỏ: drawer full width để không thấy khoảng trống */
@media (max-width: 520px) {
    .nav-menu {
        width: 100vw !important;
        max-width: 100vw !important;
    }
}

/* 7) Fix overflow do 100vw ở hero full-bleed */
.hero-fullbleed,
.hero.hero-slider {
    width: 100% !important;
    max-width: 100vw !important;
    margin-left: calc(50% - 50vw) !important;
    margin-right: calc(50% - 50vw) !important;
}

/* 8) Lock scroll khi mở menu (JS sẽ add class) */
html.is-locked,
body.is-locked {
    overflow: hidden !important;
}
/* ============================
   FORCE HAMBURGER MODE <=1024
   ============================ */

/* Hamburger: ẨN mặc định (desktop không hiện 3 gạch) */
.show-mobile {
    display: none !important;
}

/* Desktop: menu ngang hiện bình thường */
@media (min-width: 1025px) {
    .site-header .nav-menu {
        position: static !important;
        transform: none !important;
        width: auto !important;
        height: auto !important;
        background: transparent !important;
        box-shadow: none !important;
        display: flex !important;
        justify-content: center !important;
        padding: 0 !important;
        visibility: visible !important;
    }

    .nav-overlay,
    .site-header .nav-overlay {
        display: none !important;
    }
}

/* Mobile/Tablet: menu CHUI vào hamburger (drawer) */
@media (max-width: 1024px) {
    .show-mobile {
        display: inline-flex !important;
    }

    .hidden-mobile {
        display: none !important;
    }

    /* Drawer mặc định PHẢI đóng */
    .site-header .nav-menu {
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        height: 100dvh !important;
        width: min(86vw, 360px) !important;
        background: #fff !important;
        z-index: 999999 !important;
        transform: translateX(105%) !important; /* <-- đóng mặc định */
        transition: transform .25s ease !important;
        display: block !important;
        padding: 90px 14px 14px !important;
        box-shadow: none !important;
        overflow-y: auto !important;
    }

        .site-header .nav-menu.open {
            transform: translateX(0) !important; /* <-- mở */
            box-shadow: -10px 0 30px rgba(0,0,0,.12) !important;
        }

    /* Overlay (nếu overlay bạn đặt ngoài header cũng OK) */
    .nav-overlay,
    .site-header .nav-overlay {
        position: fixed !important;
        inset: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        background: rgba(0,0,0,.5) !important;
        z-index: 999998 !important;
        display: none !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }

        .nav-overlay.show,
        .site-header .nav-overlay.show {
            display: block !important;
        }
}
/* NÚT HERO: to + dài hơn (dán cuối CSS) */
.hero-slider .hero-buttons {
    gap: 50px;
    margin-top: 18px;
}

/* tăng size chung cho nút trong hero */
.hero-slider .btn {
    min-width: 240px; /* dài hơn */
    height: 56px; /* cao hơn */
    padding: 0 28px; /* rộng hơn */
    border-radius: 18px;
    font-size: 18px; /* chữ to hơn */
}

    /* nếu có class btn-lg thì tăng thêm */
    .hero-slider .btn.btn-lg {
        min-width: 280px; /* dài hơn nữa */
        height: 62px;
        padding: 0 34px;
    }

    /* icon (svg) to hơn chút nếu có */
    .hero-slider .btn svg {
        width: 26px;
        height: 26px;
    }
/* ===== FIX GLASS CHO CHỮ HERO (DÁN CUỐI FILE CSS) ===== */
section#heroSlider.hero.hero-slider .hero-content {
    display: inline-block !important; /* ôm chữ */
    width: auto !important; /* không full 980px */
    max-width: min(980px, calc(100% - 28px)) !important;
    padding: 14px 18px !important;
    border-radius: 16px !important;
    /* nền trong trong để thấy ảnh phía sau */
    background: rgba(255,255,255,.22) !important; /* tăng/giảm .12~.35 */
    border: 1px solid rgba(255,255,255,.35) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    box-shadow: 0 18px 60px rgba(0,0,0,.18) !important;
}

/* chữ dễ đọc hơn trên nền trong */
section#heroSlider.hero.hero-slider .hero-title {
    color: rgba(10,16,26,.92) !important;
    text-shadow: 0 8px 20px rgba(0,0,0,.20) !important;
}

section#heroSlider.hero.hero-slider .hero-subtitle {
    color: rgba(10,16,26,.75) !important;
    text-shadow: 0 8px 18px rgba(0,0,0,.16) !important;
}
/* ✅ Header luôn nằm trên slider/trang chủ */
.icoi-header {
    position: sticky;
    top: 0;
    z-index: 2147483647; /* max an toàn */
}

/* ✅ Nếu hero slider có z-index cao, ép nó xuống */
.hero-slider,
.swiper,
.swiper-wrapper,
.swiper-slide {
    position: relative;
    z-index: 1;
}