/* ==========================================================================
   TRƯỜNG TRUNG CẤP VIỆT - ÚC NGHỆ AN — LANDING PAGE STYLES
   Design Direction: Clean, Modern, Professional, Soft Red / Pastel Crimson
   ========================================================================== */

:root {
  /* Soft Red / Crimson Palette */
  --primary: #e11d48;
  --primary-hover: #be123c;
  --primary-dark: #be123c;
  --primary-light: #fb7185;
  --primary-soft: #fff1f2;
  --primary-soft-2: #ffe4e6;
  --primary-border: #fecdd3;
  --border-rose: #fecdd3;
  --primary-glow: rgba(225, 29, 72, 0.14);

  /* Neutral Palette */
  --bg-white: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-soft: #f8fafc;
  --bg-warm: #fffafb;
  --bg-accent: #ffe4e6;
  --text-main: #0f172a;
  --navy: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --border-color: #e2e8f0;

  /* Semantic Accents */
  --success: #059669;
  --success-soft: #ecfdf5;
  --warning: #d97706;
  --accent-gold: #f59e0b;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Layout & Radius */
  --container-max: 1220px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-xs: 0 2px 8px -2px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 2px 8px -2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 28px -6px rgba(15, 23, 42, 0.08), 0 4px 10px -3px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 22px 45px -12px rgba(225, 29, 72, 0.12), 0 8px 18px -6px rgba(15, 23, 42, 0.06);
  --transition: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

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

.text-gradient {
  background: linear-gradient(135deg, #e11d48 0%, #f43f5e 60%, #fb7185 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.35;
  text-align: center;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  max-width: 100%;
}

.btn svg {
  flex-shrink: 0;
}

.btn-lg {
  padding: 15px 28px;
  font-size: 1.02rem;
}

.btn-full {
  width: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, #e11d48 0%, #f43f5e 100%);
  color: #ffffff;
  box-shadow: 0 8px 20px -4px rgba(225, 29, 72, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #be123c 0%, #e11d48 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -4px rgba(225, 29, 72, 0.45);
}

.btn-secondary {
  background: var(--bg-white);
  color: var(--text-main);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--primary-border);
  background: var(--primary-soft);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary-border);
}

.btn-outline:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.btn-soft {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: var(--primary-soft-2);
  border-radius: var(--radius-sm);
  padding: 11px 16px;
}

.btn-soft:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* ==========================================================================
   TOP BAR & HEADER
   ========================================================================== */
.topbar {
  background: var(--primary-soft);
  border-bottom: 1px solid var(--primary-soft-2);
  font-size: 0.84rem;
  color: var(--text-body);
  padding: 7px 0;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: nowrap;
}

.topbar-left {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1 1 auto;
}

.topbar-badge {
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.72rem;
  line-height: 1.2;
  padding: 3px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.topbar-text {
  font-weight: 500;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-body);
  font-weight: 500;
  white-space: nowrap;
}

.topbar-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

.topbar-phone {
  font-weight: 700;
  color: var(--primary);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 14px;
}

.brand-logo {
  flex-shrink: 0;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-body);
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
  display: inline-block;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2.5px;
  border-radius: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-mobile-cta {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-actions > .btn-primary {
  padding: 10px 18px;
  font-size: 0.88rem;
  white-space: nowrap;
}

.header-hotline {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg-warm);
  border: 1px solid var(--primary-soft-2);
  white-space: nowrap;
}

.hotline-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary-soft-2);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hotline-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.hotline-meta small {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.hotline-meta strong {
  font-size: 0.92rem;
  color: var(--primary);
  font-weight: 800;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-white);
  padding: 9px;
  cursor: pointer;
  flex-shrink: 0;
}

.hamburger-bar {
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.25s ease;
}

.mobile-menu-btn.active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 36px 0 32px;
  background: radial-gradient(circle at 85% 15%, #ffe4e6 0%, rgba(255, 241, 242, 0.45) 38%, #ffffff 75%);
  overflow: hidden;
}

.hero-bg-decor {
  position: absolute;
  top: -120px;
  left: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(251, 113, 133, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  align-items: center;
  gap: 36px;
  margin-bottom: 32px;
}

.hero-content {
  min-width: 0;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-white);
  border: 1px solid var(--primary-border);
  color: var(--primary-hover);
  font-weight: 600;
  font-size: 0.84rem;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  max-width: 100%;
}

.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft-2);
  flex-shrink: 0;
}

.hero-title {
  font-size: clamp(1.85rem, 3.3vw, 2.85rem);
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.18;
}

.hero-desc {
  font-size: 1.02rem;
  color: var(--text-body);
  margin-bottom: 18px;
  max-width: 580px;
}

.hero-highlights {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 22px;
}

.hero-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.hero-highlights svg {
  color: var(--primary);
  background: var(--primary-soft-2);
  border-radius: 50%;
  padding: 3px;
  flex-shrink: 0;
  margin-top: 2px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.trust-avatars {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.avatar-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2.5px solid #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.74rem;
  font-weight: 800;
  margin-left: -10px;
}

.avatar-badge:first-child {
  margin-left: 0;
}

.trust-caption {
  font-size: 0.88rem;
  color: var(--text-muted);
  min-width: 0;
}

.trust-caption strong {
  color: var(--text-main);
}

/* Hero Image & Floating Cards */
.hero-visual {
  position: relative;
  min-width: 0;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 10px;
  background: linear-gradient(145deg, #ffffff 0%, #ffe4e6 100%);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--primary-border);
}

.hero-main-img {
  border-radius: calc(var(--radius-lg) - 6px);
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(254, 205, 211, 0.8);
  max-width: calc(100% - 24px);
}

.floating-card strong {
  display: block;
  font-size: 0.92rem;
  color: var(--text-main);
}

.floating-card span {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.card-top-left {
  top: 20px;
  left: -14px;
}

.card-bottom-right {
  bottom: 20px;
  right: -14px;
}

.fcard-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-rose {
  background: var(--primary-soft-2);
  color: var(--primary);
}

.icon-green {
  background: var(--success-soft);
  color: var(--success);
}

/* Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  background: var(--bg-white);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-lg);
  padding: 26px 32px;
  box-shadow: var(--shadow-md);
  gap: 20px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-body);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--primary-soft-2);
}

/* ==========================================================================
   COMMON SECTION STYLES
   ========================================================================== */
.section {
  padding: 48px 0;
}

.section-header {
  max-width: 720px;
  margin: 0 auto 28px;
}

.section-tag {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid var(--primary-soft-2);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
  max-width: 100%;
}

.section-title {
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.02rem;
  color: var(--text-muted);
}

/* ==========================================================================
   SECTION 2: PATHWAYS (ĐỐI TƯỢNG & LỘ TRÌNH)
   ========================================================================== */
.pathways-section {
  background: var(--bg-warm);
  border-top: 1px solid var(--primary-soft-2);
  border-bottom: 1px solid var(--primary-soft-2);
}

.pathways-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}

.pathway-card {
  position: relative;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  min-width: 0;
}

.pathway-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-border);
}

.featured-pathway {
  border: 2px solid var(--primary-light);
  box-shadow: var(--shadow-lg);
}

.pathway-ribbon {
  position: absolute;
  top: -13px;
  right: 20px;
  background: linear-gradient(135deg, #e11d48 0%, #f43f5e 100%);
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
}

.pathway-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.pathway-step {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  display: block;
  margin-bottom: 6px;
}

.pathway-header h3 {
  font-size: 1.32rem;
  margin-bottom: 8px;
}

.pathway-target {
  font-size: 0.92rem;
  color: var(--text-muted);
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px dashed var(--border-color);
}

.pathway-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 26px;
  flex-grow: 1;
}

.pathway-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.93rem;
  color: var(--text-body);
}

.pathway-list li::before {
  content: '•';
  position: absolute;
  left: 3px;
  top: 0;
  color: var(--primary);
  font-weight: 900;
  font-size: 1.2rem;
  line-height: 1.3;
}

/* ==========================================================================
   SECTION 3: MAJORS (NGÀNH ĐÀO TẠO)
   ========================================================================== */
.filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg-white);
  color: var(--text-body);
  cursor: pointer;
  transition: all var(--transition);
  max-width: 100%;
}

.filter-tab:hover {
  border-color: var(--primary-border);
  color: var(--primary);
  background: var(--primary-soft);
}

.filter-tab.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 6px 16px -3px rgba(225, 29, 72, 0.35);
}

.tab-count {
  font-size: 0.76rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  flex-shrink: 0;
}

.filter-tab.active .tab-count {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
}

.majors-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.major-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  min-width: 0;
}

.major-card[hidden] {
  display: none !important;
}

.major-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-border);
}

.major-img-wrap {
  position: relative;
  height: 205px;
  overflow: hidden;
  background: var(--primary-soft);
}

.major-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.major-card:hover .major-img-wrap img {
  transform: scale(1.05);
}

.major-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(6px);
  color: #ffffff;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 4px 11px;
  border-radius: 999px;
}

.major-badge.badge-hot {
  background: var(--primary);
}

.major-badge.badge-popular {
  background: #0f766e;
}

.major-group-tag {
  position: absolute;
  bottom: 10px;
  right: 12px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--text-main);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 6px;
}

.major-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
}

.major-systems {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.major-systems span {
  font-size: 0.73rem;
  font-weight: 600;
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 2px 8px;
  border-radius: 6px;
}

.major-title {
  font-size: 1.18rem;
  margin-bottom: 10px;
}

.major-desc {
  font-size: 0.91rem;
  color: var(--text-body);
  margin-bottom: 14px;
  flex-grow: 1;
}

.major-meta {
  background: var(--bg-warm);
  border: 1px solid var(--primary-soft-2);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.84rem;
  margin-bottom: 16px;
}

.major-meta strong {
  color: var(--primary-hover);
}

/* ==========================================================================
   SECTION 4: WHY CHOOSE US
   ========================================================================== */
.why-section {
  background: linear-gradient(180deg, #fff1f2 0%, #fffafb 100%);
  border-top: 1px solid var(--primary-soft-2);
  border-bottom: 1px solid var(--primary-soft-2);
}

.why-top-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: end;
  gap: 32px;
  margin-bottom: 28px;
}

.why-lead {
  font-size: 1.04rem;
  color: var(--text-body);
}

.why-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.why-card {
  background: var(--bg-white);
  border: 1px solid var(--primary-soft-2);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  min-width: 0;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.why-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 16px;
  border: 1px solid var(--primary-border);
}

.why-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.93rem;
  color: var(--text-body);
}

/* ==========================================================================
   SECTION 5: ADMISSION STEPS & TESTIMONIALS
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  margin-bottom: 0;
}

.step-box {
  position: relative;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  box-shadow: var(--shadow-sm);
  min-width: 0;
}

.step-badge {
  display: inline-block;
  background: var(--primary);
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.step-box h3 {
  font-size: 1.12rem;
  margin-bottom: 8px;
}

.step-box p {
  font-size: 0.92rem;
  color: var(--text-body);
}

/* Testimonials */
.testimonials-wrap {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 28px;
}

.testimonials-header {
  text-align: center;
  margin-bottom: 24px;
}

.testimonials-header h3 {
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.testimonials-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  min-width: 0;
}

.stars {
  color: #f59e0b;
  font-size: 1.05rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.testimonial-card p {
  font-size: 0.93rem;
  color: var(--text-body);
  font-style: italic;
  margin-bottom: 18px;
}

.testimonial-card footer strong {
  display: block;
  color: var(--text-main);
  font-size: 0.95rem;
}

.testimonial-card footer span {
  font-size: 0.82rem;
  color: var(--primary);
  font-weight: 500;
}

/* ==========================================================================
   SECTION 6: FAQ
   ========================================================================== */
.faq-section {
  background: var(--bg-warm);
  border-top: 1px solid var(--primary-soft-2);
}

.faq-container {
  max-width: 860px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item.active {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
}

.faq-item.active .faq-question {
  color: var(--primary);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-soft);
  position: relative;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--primary);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease;
}

.faq-icon::before {
  width: 12px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
}

.faq-item.active .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  display: none;
  padding: 14px 24px 20px;
  font-size: 0.95rem;
  color: var(--text-body);
  border-top: 1px dashed var(--primary-soft-2);
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   SECTION 7: REGISTRATION FORM
   ========================================================================== */
.register-section {
  background: radial-gradient(circle at 15% 20%, #ffe4e6 0%, #fff1f2 45%, #ffffff 100%);
  border-top: 1px solid var(--primary-border);
}

.register-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 48px;
  align-items: center;
}

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

.register-badge {
  display: inline-block;
  background: var(--primary);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
  max-width: 100%;
}

.register-info h2 {
  font-size: clamp(1.65rem, 2.8vw, 2.3rem);
  margin-bottom: 14px;
}

.register-info > p {
  font-size: 1rem;
  color: var(--text-body);
  margin-bottom: 28px;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.contact-card-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-white);
  border: 1px solid var(--primary-soft-2);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  min-width: 0;
}

.contact-card-item > div:last-child {
  min-width: 0;
  word-break: break-word;
}

.cc-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card-item small {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.contact-card-item strong {
  font-size: 0.96rem;
  color: var(--text-main);
}

.contact-card-item strong a {
  color: var(--primary);
}

.register-perks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-hover);
}

.register-form-card {
  background: var(--bg-white);
  border: 1.5px solid var(--primary-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
  min-width: 0;
  width: 100%;
}

.admission-form {
  min-width: 0;
  width: 100%;
}

.admission-form h3 {
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.form-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.form-group {
  margin-bottom: 16px;
  min-width: 0;
}

.form-row-2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.req {
  color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-main);
  background: var(--bg-subtle);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  text-overflow: ellipsis;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  background: var(--bg-white);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

.form-group.invalid input,
.form-group.invalid select {
  border-color: #dc2626;
  background: #fef2f2;
}

.field-error {
  display: none;
  font-size: 0.78rem;
  color: #dc2626;
  margin-top: 4px;
}

.form-group.invalid .field-error {
  display: block;
}

.submit-btn {
  margin-top: 6px;
}

.form-privacy {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 12px;
}

/* Form Success Box */
.form-success {
  text-align: center;
  padding: 16px 8px;
}

.success-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--success-soft);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.form-success h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.success-summary {
  background: var(--primary-soft);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin: 18px 0;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.92rem;
}

.success-summary div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.success-note {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.success-note a {
  color: var(--primary);
  font-weight: 700;
}

/* ==========================================================================
   FOOTER & FLOATING BAR
   ========================================================================== */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 64px 0 92px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 36px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo img {
  background: #ffffff;
  padding: 8px 14px;
  border-radius: 12px;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.9rem;
  color: #94a3b8;
  margin-bottom: 16px;
}

.footer-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-badges span {
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(244, 63, 94, 0.16);
  color: #fda4af;
  border: 1px solid rgba(244, 63, 94, 0.3);
  padding: 4px 10px;
  border-radius: 999px;
}

.footer-col {
  min-width: 0;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.02rem;
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: #fb7185;
}

.footer-contact strong {
  color: #f8fafc;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 0.85rem;
  color: #94a3b8;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* Floating Quick Action */
.floating-cta {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 95;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
}

.float-btn {
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 12px 18px;
  border-radius: 999px;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.2);
  white-space: nowrap;
}

.floating-cta.visible .float-btn {
  pointer-events: auto;
}

.float-call {
  background: #ffffff;
  color: var(--primary);
  border: 1.5px solid var(--primary-border);
}

.float-register {
  background: var(--primary);
  color: #ffffff;
}

/* ==========================================================================
   SUBPAGE & CATALOG EXTENSIONS (dao-tao.html & Homepage Summary)
   ========================================================================== */
.btn-sm {
  padding: 10px 14px;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
}

.majors-grid-4 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.major-card-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
  margin-top: auto;
}

.subpage-cta-banner {
  margin-top: 36px;
  background: linear-gradient(135deg, #fff1f2 0%, #ffe4e6 100%);
  border: 1.5px solid var(--primary-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  box-shadow: var(--shadow-sm);
}

.scb-text {
  min-width: 0;
}

.scb-text strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 4px;
}

.scb-text span {
  display: block;
  font-size: 0.93rem;
  color: var(--text-body);
}

/* Subpage Hero */
.subpage-hero {
  padding: 40px 0 48px;
  background: radial-gradient(circle at 85% 20%, #ffe4e6 0%, #fff1f2 45%, #ffffff 100%);
  border-bottom: 1px solid var(--primary-soft-2);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--primary);
  font-weight: 600;
}

.subpage-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  gap: 36px;
  align-items: center;
}

.subpage-title {
  font-size: clamp(1.85rem, 3.4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.subpage-desc {
  font-size: 1.03rem;
  color: var(--text-body);
}

.subpage-summary-box {
  background: var(--bg-white);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sbox-item {
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--primary-soft-2);
}

.sbox-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.sbox-item strong {
  display: block;
  color: var(--primary);
  font-size: 0.96rem;
}

.sbox-item span {
  font-size: 0.85rem;
  color: var(--text-body);
}

/* Catalog Controls & Search */
.catalog-controls {
  margin-bottom: 36px;
}

.catalog-controls .filter-tabs {
  margin-bottom: 20px;
}

.catalog-search-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 14px;
  max-width: 860px;
  margin: 0 auto;
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrap svg {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input-wrap input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.94rem;
  padding: 11px 14px 11px 42px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-color);
  background: var(--bg-subtle);
  color: var(--text-main);
}

.search-input-wrap input:focus,
.catalog-search-bar select:focus {
  outline: none;
  background: var(--bg-white);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

.catalog-search-bar select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.94rem;
  font-weight: 600;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-color);
  background: var(--bg-subtle);
  color: var(--text-main);
}

.major-curriculum-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg-warm);
  border: 1px solid var(--primary-soft-2);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.83rem;
  margin-bottom: 16px;
}

.major-curriculum-list li {
  color: var(--text-body);
}

.major-curriculum-list strong {
  color: var(--primary-hover);
}

.catalog-empty {
  text-align: center;
  padding: 40px 20px;
  background: var(--bg-warm);
  border: 1px dashed var(--primary-border);
  border-radius: var(--radius-md);
}

.catalog-empty p {
  margin-bottom: 14px;
  color: var(--text-muted);
}

/* Comparison Table */
.compare-section {
  background: var(--bg-warm);
  border-top: 1px solid var(--primary-soft-2);
  border-bottom: 1px solid var(--primary-soft-2);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--primary-border);
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  text-align: left;
  font-size: 0.92rem;
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
}

.compare-table thead th {
  background: var(--primary-soft);
  color: var(--primary-hover);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.96rem;
  border-bottom: 2px solid var(--primary-border);
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody tr:hover {
  background: var(--bg-subtle);
}

/* Curriculum Detail Modal */
.major-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.major-modal-backdrop[hidden] {
  display: none !important;
}

.major-modal-dialog {
  position: relative;
  width: 100%;
  max-width: 660px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--primary-border);
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-subtle);
  color: var(--text-main);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.modal-close-btn:hover {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: var(--primary-border);
}

.modal-title {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--text-body);
  margin-bottom: 18px;
}

.modal-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.modal-info-box {
  background: var(--primary-soft);
  border: 1px solid var(--primary-soft-2);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.modal-info-box small {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.modal-info-box strong {
  font-size: 0.93rem;
  color: var(--primary-hover);
}

.modal-modules {
  margin-bottom: 18px;
}

.modal-modules h4 {
  font-size: 1.02rem;
  margin-bottom: 10px;
}

.modal-modules ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modal-modules li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
}

.modal-modules li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-weight: 800;
}

.modal-career {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.9rem;
  margin-bottom: 22px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

/* ==========================================================================
   TUYEN-SINH.HTML & GIOI-THIEU.HTML & HOMEPAGE HUB EXTENSIONS
   ========================================================================== */
.hub-links-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.hub-link-card {
  background: var(--bg-warm);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}

.hub-link-card h3 {
  font-size: 1.25rem;
}

.hub-link-card p {
  font-size: 0.93rem;
  color: var(--text-body);
  flex-grow: 1;
}

/* Document Checklist Tabs (tuyen-sinh.html) */
.checklist-section {
  background: var(--bg-warm);
  border-top: 1px solid var(--primary-soft-2);
  border-bottom: 1px solid var(--primary-soft-2);
}

.doc-panel {
  background: var(--bg-white);
  border: 1.5px solid var(--primary-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.doc-panel[hidden] {
  display: none !important;
}

.doc-panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: 32px;
  align-items: center;
}

.doc-panel h3 {
  font-size: 1.35rem;
  margin-bottom: 6px;
}

.doc-panel-sub {
  font-size: 0.93rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.doc-checklist {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.doc-checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 0.95rem;
  color: var(--text-body);
}

.doc-checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 1px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary-soft-2);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.doc-side-note {
  background: var(--primary-soft);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.doc-side-note h4 {
  font-size: 1.08rem;
  color: var(--primary-hover);
  margin-bottom: 10px;
}

.doc-side-note p {
  font-size: 0.9rem;
  color: var(--text-body);
  margin-bottom: 18px;
}

/* About, Mission, Facilities & News (gioi-thieu.html) */
.about-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 44px;
  align-items: center;
}

.about-intro-content > p {
  font-size: 0.98rem;
  color: var(--text-body);
  margin-bottom: 14px;
}

.mission-pillars {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.pillar-box {
  background: var(--bg-warm);
  border: 1px solid var(--primary-soft-2);
  border-radius: var(--radius-md);
  padding: 18px;
}

.pillar-box strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.pillar-box p {
  font-size: 0.88rem;
  color: var(--text-body);
}

.about-main-img {
  width: 100%;
  height: 390px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--primary-border);
  box-shadow: var(--shadow-lg);
}

.facilities-section {
  background: var(--bg-warm);
  border-top: 1px solid var(--primary-soft-2);
  border-bottom: 1px solid var(--primary-soft-2);
}

.news-date {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}

.news-modal-body {
  font-size: 0.95rem;
  color: var(--text-body);
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 14px 0 24px;
}

.news-modal-body ul {
  padding-left: 20px;
  list-style: disc;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (LAPTOP, TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 1180px) {
  .header-hotline {
    display: none;
  }

  .topbar-address {
    display: none;
  }

  .nav-list {
    gap: 18px;
  }
}

@media (max-width: 1024px) {
  .hero-grid,
  .why-top-grid,
  .register-wrapper,
  .subpage-hero-grid,
  .doc-panel-grid,
  .about-intro-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .subpage-cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .subpage-cta-banner .btn {
    width: 100%;
  }

  .pathways-grid,
  .majors-grid,
  .why-cards-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stat-divider {
    display: none;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-top-left {
    left: 14px;
  }

  .card-bottom-right {
    right: 14px;
  }
}

@media (max-width: 980px) {
  .topbar-right {
    display: none;
  }

  .topbar-left {
    justify-content: center;
  }

  .header-actions > .btn-primary {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 24px 28px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.25s ease;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-bottom: 18px;
  }

  .nav-link {
    display: block;
    padding: 10px 4px;
    border-bottom: 1px solid var(--bg-subtle);
  }

  .nav-mobile-cta {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .topbar-text-extra {
    display: none;
  }

  .pathways-grid,
  .majors-grid,
  .majors-grid-4,
  .why-cards-grid,
  .steps-grid,
  .testimonials-grid,
  .form-row-2,
  .footer-grid,
  .stats-bar,
  .catalog-search-bar,
  .modal-info-grid,
  .hub-links-grid,
  .mission-pillars {
    grid-template-columns: minmax(0, 1fr);
  }

  .doc-panel,
  .hub-link-card {
    padding: 22px 18px;
  }

  .about-main-img {
    height: 270px;
  }

  .major-card-actions {
    grid-template-columns: minmax(0, 1fr);
  }

  .subpage-cta-banner {
    padding: 22px 18px;
  }

  .major-modal-dialog {
    padding: 24px 18px;
  }

  .hero-section {
    padding: 36px 0 32px;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .hero-main-img {
    height: 280px;
  }

  .floating-card {
    position: static;
    margin-top: 10px;
    max-width: 100%;
  }

  .stats-bar {
    padding: 20px;
    gap: 16px;
  }

  .section {
    padding: 56px 0;
  }

  .pathway-card,
  .why-card,
  .step-box,
  .testimonial-card {
    padding: 24px 18px;
  }

  .testimonials-wrap {
    padding: 28px 18px;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 0.96rem;
  }

  .faq-answer {
    padding: 12px 18px 16px;
  }

  .register-form-card {
    padding: 24px 18px;
  }

  .contact-card-item {
    padding: 12px 14px;
  }

  .btn {
    padding: 12px 16px;
    font-size: 0.92rem;
  }

  .site-footer {
    padding: 48px 0 96px;
  }

  .floating-cta {
    left: 12px;
    right: 12px;
    bottom: 12px;
    justify-content: space-between;
  }

  .float-btn {
    flex: 1;
    padding: 11px 12px;
    font-size: 0.86rem;
  }
}

/* ==========================================================================
   ENHANCEMENTS INSPIRED BY VIETUCHCM.EDU.VN
   (Scroll Progress, Header Search, Interest Guide, TOC, Degree Lookup,
    Partner Ecosystem, Public Info DL, Map & Visit Tips, Zalo Pulse)
   ========================================================================== */

/* 1. Top Scroll Reading Progress Bar */
.scroll-progress-wrap {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 1200;
  pointer-events: none;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary) 0%, #fb7185 50%, var(--accent-gold) 100%);
  transition: width 0.08s linear;
}

/* 2. Topbar Zalo Pill & Header Quick Search */
.topbar-zalo-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #0068ff;
  border: 1px solid #0052cc;
  color: #ffffff !important;
  padding: 2px 11px;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 700;
  transition: var(--transition);
}

.topbar-zalo-pill:hover {
  background: #0052cc;
  border-color: #003ea6;
  transform: translateY(-1px);
}

.zalo-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #7dd3fc;
  box-shadow: 0 0 0 2px rgba(125, 211, 252, 0.35);
}

.header-search-form {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 7px 12px;
  color: var(--text-muted);
  transition: var(--transition);
  flex-shrink: 0;
}

.header-search-form:focus-within {
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.1);
}

.header-search-input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.84rem;
  color: var(--text-main);
  width: 138px;
  font-family: inherit;
}

.header-search-input::placeholder {
  color: var(--text-muted);
}

/* 3. Intake Schedule Pill on Major Cards & Testimonial Major Link */
.intake-row {
  margin-top: 8px;
}

.intake-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-soft);
  border: 1px solid var(--border-rose);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.testimonial-major-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.testimonial-major-link:hover {
  text-decoration: underline;
}

/* 4. Homepage News & Handbook Section */
.news-section {
  background: var(--bg-warm);
  border-top: 1px solid var(--primary-soft-2);
}

.section-header-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.section-header-flex > div {
  max-width: 720px;
}

.section-header-flex .section-subtitle {
  margin-bottom: 0;
}

#tin-tuc-trang-chu .majors-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

#tin-tuc-trang-chu .major-img-wrap {
  height: 175px;
}

#tin-tuc-trang-chu .major-body {
  padding: 18px;
}

#tin-tuc-trang-chu .major-title {
  font-size: 1.02rem;
  line-height: 1.38;
  margin-bottom: 8px;
}

#tin-tuc-trang-chu .major-desc {
  font-size: 0.86rem;
  margin-bottom: 14px;
}

/* 5. Partner Ecosystem Section */
.partners-section {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-soft) 100%);
  border-top: 1px solid var(--border-color);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.partner-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.partner-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-rose);
  box-shadow: var(--shadow-md);
}

.partner-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.partner-badge {
  align-self: flex-start;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  background: var(--bg-accent);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.partner-card h3 {
  font-size: 1.05rem;
  line-height: 1.38;
  color: var(--navy);
}

.partner-card p {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* 6. Registration Form Consent Checkbox */
.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--text-body);
  margin: 4px 0 14px;
  cursor: pointer;
  line-height: 1.5;
}

.form-consent input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* 7. Interest Guide ("Chọn ngành theo sở thích") on dao-tao.html */
.interest-guide-section {
  padding-bottom: 24px;
  background: var(--bg-soft);
}

.interest-guide-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.interest-card {
  text-align: left;
  background: #ffffff;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: inherit;
  box-shadow: var(--shadow-xs);
}

.interest-card:hover,
.interest-card.active {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(180deg, #ffffff 0%, #fff5f7 100%);
}

.interest-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
}

.interest-tag {
  align-self: flex-start;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-soft);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.interest-card h3 {
  font-size: 1.04rem;
  color: var(--navy);
  line-height: 1.35;
}

.interest-card p {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.55;
  flex: 1;
}

.interest-action {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 4px;
}

/* 8. Table of Contents Box ("Nội dung trang") on tuyen-sinh.html */
.toc-box {
  margin-top: 28px;
  background: #ffffff;
  border: 1px solid var(--border-rose);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-xs);
}

.toc-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--navy);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.toc-title svg {
  color: var(--primary);
}

.toc-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px 18px;
  margin: 0;
  padding: 0;
}

.toc-list a {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-body);
  padding: 4px 0;
  transition: var(--transition);
}

.toc-list a:hover {
  color: var(--primary);
  transform: translateX(3px);
}

/* 9. Online Degree Lookup Widget ("Tra cứu văn bằng theo CCCD") */
.degree-lookup-section {
  background: linear-gradient(180deg, var(--bg-soft) 0%, #ffffff 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.degree-lookup-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 28px;
  align-items: start;
}

.degree-lookup-card,
.degree-guide-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow-sm);
}

.degree-lookup-card h3,
.degree-guide-card h3 {
  font-size: 1.25rem;
  color: var(--navy);
  margin-bottom: 8px;
}

.degree-lookup-sub {
  font-size: 0.92rem;
  color: var(--text-body);
  margin-bottom: 18px;
}

.degree-input-row {
  display: flex;
  gap: 12px;
}

.degree-input-row input {
  flex: 1;
  padding: 13px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.96rem;
  font-family: inherit;
  color: var(--text-main);
  transition: var(--transition);
}

.degree-input-row input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.12);
}

.degree-demo-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.demo-cccd-btn {
  background: var(--bg-soft);
  border: 1px solid var(--border-rose);
  color: var(--primary-dark);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.demo-cccd-btn:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.degree-result-box {
  margin-top: 22px;
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  border-radius: var(--radius-md);
  padding: 20px 22px;
}

.degree-result-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px dashed #86efac;
}

.degree-verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #16a34a;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.degree-result-dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 20px;
  margin: 0;
}

.degree-result-dl dt {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 2px;
}

.degree-result-dl dd {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--navy);
}

.degree-notfound-box {
  margin-top: 20px;
  background: #fffbeb;
  border: 1.5px solid #fcd34d;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  color: #92400e;
  font-size: 0.9rem;
}

.degree-notfound-box strong {
  display: block;
  margin-bottom: 6px;
  color: #78350f;
}

.degree-notfound-box a {
  color: var(--primary);
  font-weight: 700;
}

.degree-steps-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.degree-steps-list li {
  padding-left: 14px;
  border-left: 3px solid var(--border-rose);
}

.degree-steps-list strong {
  display: block;
  color: var(--navy);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.degree-steps-list p {
  font-size: 0.88rem;
  color: var(--text-body);
  margin: 0;
}

/* 10. Public Information Box ("Thông tin chung nhà trường") on gioi-thieu.html */
.public-info-box {
  margin-top: 40px;
  background: #ffffff;
  border: 1px solid var(--border-rose);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
  box-shadow: var(--shadow-sm);
}

.public-info-header {
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.public-info-header h3 {
  font-size: 1.3rem;
  color: var(--navy);
  margin-top: 6px;
}

.public-info-dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 28px;
  margin: 0;
}

.public-info-dl > div {
  padding: 12px 16px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.public-info-dl dt {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.public-info-dl dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
}

.public-info-dl dd a {
  color: var(--primary);
}

/* 11. Google Map & Visit Tips Section on gioi-thieu.html */
.map-contact-section {
  background: var(--bg-soft);
  border-top: 1px solid var(--border-color);
}

.map-contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: stretch;
}

.map-frame-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  min-height: 380px;
}

.map-frame-card iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 380px;
}

.visit-tips-card {
  background: #ffffff;
  border: 2px dashed var(--border-rose);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.visit-tips-card h3 {
  font-size: 1.22rem;
  color: var(--navy);
  margin: 6px 0 14px;
}

.visit-tips-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.visit-tips-list li {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.6;
}

.visit-tips-list strong {
  color: var(--navy);
}

.visit-tips-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 12. Floating Zalo Pulse & Back-to-top Button */
.float-zalo {
  background: #0068ff;
  color: #ffffff;
  box-shadow: 0 8px 20px -4px rgba(0, 104, 255, 0.55);
}

.float-zalo:hover {
  background: #0052cc;
  transform: translateY(-2px);
}

.float-top {
  background: #ffffff;
  color: var(--navy);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
}

.float-top:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

@keyframes pulseRing {
  0% {
    box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.45);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(225, 29, 72, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(225, 29, 72, 0);
  }
}

@keyframes pulseRingZalo {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 104, 255, 0.45);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(0, 104, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 104, 255, 0);
  }
}

.float-call.pulse-ring {
  animation: pulseRing 2.2s infinite;
}

.float-zalo.pulse-ring {
  animation: pulseRingZalo 2.2s infinite;
}

.float-top[hidden] {
  display: none !important;
}

/* 13. Smart Zalo Connect Modal */
.zalo-modal-dialog {
  max-width: 620px;
  border-top: 5px solid #0068ff;
}

.zalo-tag {
  background: #eff6ff !important;
  color: #0068ff !important;
  border: 1px solid #bfdbfe !important;
}

.zalo-status-banner {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.zalo-connect-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
  gap: 20px;
  align-items: stretch;
  margin-bottom: 18px;
}

.zalo-actions-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-zalo-app {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 13px 18px;
  background: #0068ff;
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 18px -4px rgba(0, 104, 255, 0.45);
  transition: background 0.2s ease, transform 0.2s ease;
  text-decoration: none;
}

.btn-zalo-app:hover {
  background: #0052cc;
  transform: translateY(-1px);
}

.zalo-copy-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.zalo-copy-info small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.zalo-copy-info strong {
  font-family: var(--font-heading);
  font-size: 1.02rem;
  color: var(--text-main);
  letter-spacing: 0.3px;
}

.btn-copy-zalo {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.18s ease;
}

.btn-copy-zalo:hover,
.btn-copy-zalo.copied {
  background: #0068ff;
  color: #ffffff;
  border-color: #0068ff;
}

.btn-zalo-web {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 9px 14px;
  background: #ffffff;
  border: 1px dashed #94a3b8;
  color: var(--text-body);
  font-size: 0.84rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-zalo-web:hover {
  border-color: #0068ff;
  color: #0068ff;
  background: #eff6ff;
}

.zalo-qr-col {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.zalo-qr-col img {
  width: 148px;
  height: 148px;
  border-radius: 10px;
  background: #ffffff;
  padding: 6px;
  border: 1px solid #e2e8f0;
  margin-bottom: 8px;
}

.zalo-qr-col strong {
  font-size: 0.84rem;
  color: var(--text-main);
  display: block;
  margin-bottom: 2px;
}

.zalo-qr-col span {
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Responsive rules for new sections */
@media (max-width: 1120px) {
  .header-search-form {
    display: none;
  }

  #tin-tuc-trang-chu .majors-grid-4,
  .partner-grid,
  .interest-guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .degree-lookup-grid,
  .map-contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .topbar-zalo-pill {
    display: none;
  }

  .section {
    padding: 36px 0;
  }

  #tin-tuc-trang-chu .majors-grid-4,
  .partner-grid,
  .interest-guide-grid,
  .toc-list,
  .degree-result-dl,
  .public-info-dl,
  .zalo-connect-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .degree-input-row {
    flex-direction: column;
  }

  .degree-lookup-card,
  .degree-guide-card,
  .public-info-box,
  .visit-tips-card {
    padding: 22px 18px;
  }

  .float-top {
    display: none !important;
  }
}