/* ===== Á ĐÔNG EDUCATION — DESIGN SYSTEM ===== */

:root {
  --navy-900: #0B2545;
  --navy-800: #12294D;
  --navy-700: #1B355E;
  --gold-500: #D4AF37;
  --gold-300: #F0C75E;
  --gold-gradient: linear-gradient(120deg, #D4AF37 0%, #F0C75E 50%, #D4AF37 100%);
  --cream: #F7F5F0;
  --white: #FFFFFF;
  --ink: #1A2233;
  --ink-soft: #4A5468;
  --border-soft: rgba(11, 37, 69, 0.1);
  --shadow-soft: 0 20px 50px -20px rgba(11, 37, 69, 0.25);
  --shadow-card: 0 10px 30px -12px rgba(11, 37, 69, 0.18);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --container: 1180px;
  --header-h: 84px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 {
  font-family: 'Playfair Display', 'Georgia', serif;
  color: var(--navy-900);
  margin: 0 0 .5em;
  line-height: 1.25;
}
p { margin: 0 0 1em; color: var(--ink-soft); }
button { font-family: inherit; cursor: pointer; }

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

.label-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: 14px;
}
.label-tag::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold-gradient);
  display: inline-block;
}

.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(28px, 4vw, 40px); }
.section-head p { font-size: 17px; }

section { position: relative; }
.section-pad { padding: 96px 0; }
.bg-cream { background: var(--cream); }
.bg-navy { background: var(--navy-900); color: var(--white); }
.bg-navy h2, .bg-navy h3, .bg-navy h4 { color: var(--white); }
.bg-navy p { color: rgba(255,255,255,0.75); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 2px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  white-space: nowrap;
}
.btn-gold {
  background: var(--gold-gradient);
  background-size: 200% auto;
  color: var(--navy-900);
  box-shadow: 0 12px 24px -10px rgba(212,175,55,0.55);
}
.btn-gold:hover { background-position: right center; transform: translateY(-2px); }
.btn-outline {
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: var(--white); }
.btn-outline-navy {
  border-color: var(--navy-900);
  color: var(--navy-900);
}
.btn-outline-navy:hover { background: var(--navy-900); color: var(--white); }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--cream);
  border-bottom: 1px solid var(--border-soft);
  transition: box-shadow .3s ease, padding .3s ease;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px -10px rgba(11,37,69,0.25); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  height: var(--header-h);
  min-height: var(--header-h);
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img { height: 52px; width: auto; }
.brand-text { display: none; white-space: nowrap; }
.brand-text strong {
  display: block;
  font-family: 'Playfair Display', serif;
  color: var(--navy-900);
  font-size: 16px;
  line-height: 1.2;
  white-space: nowrap;
}
.brand-text span {
  display: block;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--gold-500);
  text-transform: uppercase;
  white-space: nowrap;
}

.main-nav { display: none; min-width: 0; }
.main-nav ul { display: flex; align-items: center; gap: 13px; }
.main-nav a {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy-900);
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--gold-gradient);
  transition: width .25s ease;
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--gold-500); }
/* Link "Tuyển sinh" nổi bật (chiến dịch) */
.main-nav a.nav-tuyensinh { color: var(--gold-500); font-weight: 700; }
.main-nav a.nav-tuyensinh::after { background: var(--gold-gradient); }
.mobile-nav a.nav-tuyensinh { color: var(--gold-300); font-weight: 700; }

.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-hotline {
  display: none;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--navy-900);
  white-space: nowrap;
}
.header-hotline .ic {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--gold-gradient);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy-900);
  flex-shrink: 0;
}
.header-hotline small { display: none; }
.header-hotline strong { font-size: 14.5px; letter-spacing: 0.01em; white-space: nowrap; }
.header-cta.btn { padding: 13px 22px; }

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  padding: 0;
}
.hamburger span {
  height: 2px;
  width: 100%;
  background: var(--navy-900);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--navy-900);
  transform: translateX(100%);
  transition: transform .35s ease;
  z-index: 99;
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav ul { padding: 30px 24px; display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a {
  display: block;
  padding: 16px 4px;
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mobile-nav a.active { color: var(--gold-300); }
.mobile-nav .mobile-cta { padding: 10px 24px 40px; display: flex; flex-direction: column; gap: 14px; }
.mobile-nav .mobile-hotline {
  display: flex; align-items: center; gap: 10px;
  color: var(--gold-300); font-weight: 700; font-size: 17px;
  justify-content: center;
}

.header-cta { display: none; }

@media (min-width: 1180px) {
  .main-nav { display: block; }
  .header-hotline { display: flex; }
  .header-cta { display: inline-flex; }
  .hamburger, .mobile-nav { display: none; }
}
@media (min-width: 1620px) {
  .brand-text { display: block; }
}

/* ===== Wave divider ===== */
.wave-divider { display: block; width: 100%; line-height: 0; }
.wave-divider svg { width: 100%; height: auto; display: block; }
.wave-to-navy { margin-top: -1px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  background: var(--navy-900);
  color: var(--white);
  overflow: hidden;
  padding-top: 64px;
}
.hero-grid {
  display: grid;
  gap: 40px;
  align-items: center;
  padding-bottom: 90px;
}
.hero-eyebrow {
  color: var(--gold-300);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 18px;
  display: inline-flex; align-items: center; gap: 10px;
}
.hero-eyebrow::before { content: ""; width: 30px; height: 2px; background: var(--gold-gradient); }
.hero h1 {
  color: var(--white);
  font-size: clamp(34px, 5.2vw, 56px);
  margin-bottom: 18px;
}
.hero h1 em {
  font-style: normal;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lede {
  color: rgba(255,255,255,0.82);
  font-size: 18px;
  max-width: 520px;
  margin-bottom: 34px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 28px 40px; }
.hero-stats div strong {
  display: block; font-family: 'Playfair Display', serif;
  font-size: 26px; color: var(--gold-300);
}
.hero-stats div span { font-size: 13px; color: rgba(255,255,255,0.65); }

.hero-media { position: relative; }
.hero-slider {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255,255,255,0.15);
  background: var(--navy-800);
}
.hs-viewport { overflow: hidden; }
.hs-track { display: flex; will-change: transform; transition: transform .6s cubic-bezier(.55,.15,.15,1); }
.hs-slide { flex: 0 0 100%; min-width: 0; margin: 0; }
.hs-slide img { display: block; width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.hs-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px; border-radius: 50%; border: none;
  background: rgba(11,37,69,0.5); color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, opacity .2s; opacity: 0; z-index: 2;
}
.hero-slider:hover .hs-arrow { opacity: 1; }
.hs-arrow:hover { background: var(--gold-500); color: var(--navy-900); }
.hs-arrow svg { width: 20px; height: 20px; }
.hs-prev { left: 12px; }
.hs-next { right: 12px; }
.hs-dots { position: absolute; left: 0; right: 0; bottom: 12px; display: flex; justify-content: center; gap: 8px; z-index: 2; }
.hs-dots button { width: 9px; height: 9px; padding: 0; border: none; border-radius: 50%; background: rgba(255,255,255,0.55); cursor: pointer; transition: all .25s; }
.hs-dots button.active { background: var(--gold-gradient); width: 24px; border-radius: 5px; }
@media (max-width: 560px) { .hs-arrow { opacity: 1; width: 36px; height: 36px; } }
@media (prefers-reduced-motion: reduce) { .hs-track { transition: none; } }

@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; padding-bottom: 130px; }
}

/* ===== Intro / About teaser ===== */
.intro-grid {
  display: grid;
  gap: 44px;
  align-items: center;
}
.intro-media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.intro-media img { aspect-ratio: 3/4; object-fit: cover; }
.intro-text .quote-mark { font-family: 'Playfair Display', serif; font-size: 60px; color: var(--gold-500); line-height: 0.5; display: block; margin-bottom: 12px; }
@media (min-width: 900px) {
  .intro-grid { grid-template-columns: 0.85fr 1.15fr; }
}

/* ===== Vision / Mission ===== */
.vm-grid { display: grid; gap: 28px; }
.vm-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 40px 34px;
}
.vm-card .ic {
  width: 56px; height: 56px; border-radius: 16px;
  background: var(--gold-gradient);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px; color: var(--navy-900);
}
.vm-card h3 { color: var(--gold-300); font-size: 22px; }
.mission-list { margin-top: 14px; display: flex; flex-direction: column; gap: 12px; }
.mission-list li { display: flex; gap: 12px; color: rgba(255,255,255,0.82); font-size: 15px; }
.mission-list li .dot { flex-shrink: 0; width: 8px; height: 8px; border-radius: 50%; background: var(--gold-300); margin-top: 8px; }
@media (min-width: 800px) { .vm-grid { grid-template-columns: 1fr 1fr; } }

/* ===== Core values ===== */
.values-grid { display: grid; gap: 24px; grid-template-columns: 1fr; }
.value-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-soft);
  text-align: center;
  transition: transform .3s ease, box-shadow .3s ease;
}
.value-card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -20px rgba(11,37,69,0.28); }
.value-card .num {
  font-family: 'Playfair Display', serif;
  font-size: 15px; color: var(--gold-500); font-weight: 700; margin-bottom: 10px;
}
.value-card .ic {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--navy-900);
  color: var(--gold-300);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
}
.value-card h3 { font-size: 19px; margin-bottom: 8px; }
.value-card p { font-size: 14.5px; margin: 0; }
@media (min-width: 620px) { .values-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .values-grid { grid-template-columns: repeat(5, 1fr); } }

/* ===== Program cards ===== */
.programs-grid { display: grid; gap: 24px; grid-template-columns: 1fr; }
.program-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-soft);
  display: flex; flex-direction: column;
  transition: transform .3s ease;
}
.program-card:hover { transform: translateY(-6px); }
.program-card .top {
  background: var(--navy-900);
  padding: 26px 26px 22px;
  position: relative;
}
.program-card .top::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 4px;
  background: var(--gold-gradient);
}
.program-card .ic {
  width: 50px; height: 50px; border-radius: 14px;
  background: rgba(255,255,255,0.1);
  color: var(--gold-300);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.program-card .top h3 { color: var(--white); font-size: 19px; margin: 0; }
.program-card .body { padding: 22px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.program-card .body p { font-size: 14.5px; flex: 1; }
.program-card .tag {
  display: inline-block; align-self: flex-start;
  font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: var(--navy-900); background: var(--cream);
  border-radius: 999px; padding: 6px 14px; margin-top: 10px;
}
@media (min-width: 640px) { .programs-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .programs-grid { grid-template-columns: repeat(3, 1fr); } }

/* ===== Method list ===== */
.method-grid { display: grid; gap: 20px; }
.method-item {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
}
.method-item .num {
  flex-shrink: 0;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gold-gradient);
  color: var(--navy-900);
  font-family: 'Playfair Display', serif; font-weight: 700; font-size: 19px;
  display: flex; align-items: center; justify-content: center;
}
.method-item h3 { font-size: 17.5px; margin-bottom: 6px; }
.method-item p { font-size: 14.5px; margin: 0; }
@media (min-width: 800px) { .method-grid { grid-template-columns: 1fr 1fr; } }

/* ===== Why choose us ===== */
.why-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
.why-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 22px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
}
.why-item .ic {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  background: var(--gold-gradient); color: var(--navy-900);
  display: flex; align-items: center; justify-content: center;
}
.why-item h3 { color: var(--white); font-size: 16.5px; margin-bottom: 4px; }
.why-item p { font-size: 14px; margin: 0; color: rgba(255,255,255,0.7); }
@media (min-width: 640px) { .why-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .why-grid { grid-template-columns: repeat(3, 1fr); } }

/* ===== Team ===== */
.team-intro-grid { display: grid; gap: 40px; align-items: center; margin-bottom: 56px; }
@media (min-width: 900px) { .team-intro-grid { grid-template-columns: 1fr 1fr; } }
.team-grid { display: grid; gap: 24px; grid-template-columns: 1fr; }
.team-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
  text-align: center;
}
.team-card .avatar {
  aspect-ratio: 1/1;
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5);
}
.team-card .info { padding: 20px; }
.team-card h3 { font-size: 16.5px; margin-bottom: 2px; }
.team-card span { font-size: 13px; color: var(--gold-500); font-weight: 700; }
@media (min-width: 640px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .team-grid { grid-template-columns: repeat(4, 1fr); } }

/* ===== Facilities ===== */
.facility-grid { display: grid; gap: 24px; grid-template-columns: 1fr; }
.facility-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
}
.facility-card .photo { aspect-ratio: 16/10; overflow: hidden; }
.facility-card .photo img { width: 100%; height: 100%; object-fit: cover; }
.facility-card .body { padding: 24px; }
.facility-card .badge-tag {
  display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--navy-900); background: var(--gold-gradient); border-radius: 999px; padding: 5px 12px; margin-bottom: 12px;
}
.facility-card h3 { font-size: 18px; margin-bottom: 8px; }
.facility-card .addr { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink-soft); margin-bottom: 16px; }
.facility-card .addr .ic { flex-shrink: 0; color: var(--gold-500); margin-top: 2px; }
.facility-card .map-embed {
  width: 100%; height: 220px; border: 0; border-radius: var(--radius-sm);
  filter: grayscale(15%);
}
@media (min-width: 700px) { .facility-grid { grid-template-columns: 1fr 1fr; } }

/* ===== News ===== */
.news-grid { display: grid; gap: 24px; grid-template-columns: 1fr; }
.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column;
}
.news-card .photo { aspect-ratio: 16/10; background: linear-gradient(150deg, var(--navy-800), var(--navy-900)); position: relative; overflow: hidden; }
.news-card .photo img { width: 100%; height: 100%; object-fit: cover; }
.news-card .photo .cat {
  position: absolute; left: 14px; top: 14px;
  background: var(--gold-gradient); color: var(--navy-900);
  font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
}
.news-card .body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.news-card .date { font-size: 12.5px; color: var(--gold-500); font-weight: 700; letter-spacing: .04em; margin-bottom: 8px; text-transform: uppercase; }
.news-card h3 { font-size: 17.5px; margin-bottom: 10px; }
.news-card p { font-size: 14px; flex: 1; }
.news-card .readmore { font-size: 13.5px; font-weight: 700; color: var(--navy-900); display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; }
@media (min-width: 700px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .news-grid { grid-template-columns: repeat(3, 1fr); } }

/* ===== CTA Form ===== */
.cta-form-section { position: relative; overflow: hidden; }
.cta-form-grid { display: grid; gap: 44px; align-items: center; }
.cta-form-text h2 { color: var(--white); }
.cta-form-text p { color: rgba(255,255,255,0.78); font-size: 16.5px; }
.cta-points { margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.cta-points li { display: flex; gap: 12px; align-items: center; color: rgba(255,255,255,0.88); font-size: 14.5px; }
.cta-points .ic { flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--gold-gradient); color: var(--navy-900); display: flex; align-items: center; justify-content: center; }

.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-soft);
}
.form-card h3 { font-size: 21px; margin-bottom: 4px; }
.form-card .sub { font-size: 14px; margin-bottom: 22px; }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 13.5px; font-weight: 700; color: var(--navy-900); margin-bottom: 7px; }
.form-row label .req { color: #C0392B; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid rgba(11,37,69,0.16);
  border-radius: var(--radius-sm);
  font-family: inherit; font-size: 14.5px; color: var(--ink);
  background: var(--white);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(212,175,55,0.16);
}
.form-row .err-msg { display: none; color: #C0392B; font-size: 12.5px; margin-top: 6px; }
.form-row.has-error input, .form-row.has-error select { border-color: #C0392B; }
.form-row.has-error .err-msg { display: block; }
.form-note { font-size: 12.5px; color: var(--ink-soft); margin-top: 14px; text-align: center; }
.form-success {
  display: none; text-align: center; padding: 30px 10px;
}
.form-success.is-visible { display: block; }
.form-success .ic { width: 64px; height: 64px; border-radius: 50%; background: var(--gold-gradient); color: var(--navy-900); display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; }
.form-success h3 { font-size: 20px; }
@media (min-width: 960px) { .cta-form-grid { grid-template-columns: 1fr 0.95fr; } }

/* ===== Page hero (sub pages) ===== */
.page-hero {
  background: var(--navy-900);
  color: var(--white);
  padding: 150px 0 90px;
  position: relative;
  overflow: hidden;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .crumb { color: rgba(255,255,255,0.65); font-size: 13.5px; margin-bottom: 16px; }
.page-hero .crumb a { color: var(--gold-300); }
.page-hero h1 { color: var(--white); font-size: clamp(30px, 4.6vw, 46px); max-width: 720px; }
.page-hero p { color: rgba(255,255,255,0.78); font-size: 16.5px; max-width: 600px; }

/* ===== Footer ===== */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,0.75); }
.footer-top { padding: 72px 0 40px; }
.footer-grid { display: grid; gap: 40px; grid-template-columns: 1fr; }
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand img { height: 60px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.65); max-width: 320px; }
.footer-tagline { color: var(--gold-300); font-weight: 700; font-size: 14.5px; margin-bottom: 14px; }
.footer-col h4 {
  color: var(--white); font-family: 'Be Vietnam Pro', sans-serif; font-weight: 700;
  font-size: 14.5px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a, .footer-col span { font-size: 14.5px; color: rgba(255,255,255,0.68); }
.footer-col a:hover { color: var(--gold-300); }
.footer-addr-list { display: flex; flex-direction: column; gap: 14px; }
.footer-addr-list li { display: flex; gap: 10px; font-size: 13.8px; color: rgba(255,255,255,0.68); }
.footer-addr-list .ic { flex-shrink: 0; color: var(--gold-300); margin-top: 3px; }
.footer-social { display: flex; gap: 12px; margin-top: 18px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s ease, border-color .2s ease;
}
.footer-social a:hover { background: var(--gold-gradient); border-color: transparent; color: var(--navy-900); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 22px 0;
  display: flex; flex-direction: column; gap: 10px;
  align-items: center; text-align: center;
  font-size: 13px; color: rgba(255,255,255,0.55);
}
@media (min-width: 700px) { .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; } }
@media (min-width: 1000px) { .footer-grid { grid-template-columns: 1.3fr 0.9fr 1fr 1.1fr; } }
@media (min-width: 700px) { .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; } }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1.is-visible { transition-delay: .1s; }
.reveal-delay-2.is-visible { transition-delay: .2s; }
.reveal-delay-3.is-visible { transition-delay: .3s; }
.reveal-delay-4.is-visible { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ===== Back to top ===== */
.back-to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--gold-gradient); color: var(--navy-900);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 24px -8px rgba(11,37,69,0.4);
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease;
  border: none;
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ===== Misc ===== */
.two-col-list { display: grid; gap: 12px; }
@media (min-width: 700px) { .two-col-list { grid-template-columns: 1fr 1fr; } }
.check-item { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--ink-soft); }
.check-item .ic { flex-shrink: 0; color: var(--gold-500); margin-top: 3px; }

.icon-sq {
  width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center;
}

/* ===== Icon sizing ===== */
.ic svg { width: 50%; height: 50%; stroke-width: 1.8; }
.header-hotline .ic svg { width: 18px; height: 18px; }
.footer-social a svg { width: 17px; height: 17px; }
.hero-eyebrow svg, .label-tag svg { width: 14px; height: 14px; }

/* ===== Featured teacher ===== */
.featured-teacher {
  margin-top: 60px;
  background: #FBF7EC;
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.featured-teacher-grid { display: grid; gap: 0; grid-template-columns: 1fr; align-items: center; }
.ft-media img { width: 100%; display: block; aspect-ratio: 1/1; object-fit: cover; }
.ft-body { padding: 30px 26px; }
.ft-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gold-gradient); color: var(--navy-900);
  font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase;
  font-size: 12.5px; padding: 7px 16px; border-radius: 999px; margin-bottom: 16px;
}
.ft-badge svg { width: 15px; height: 15px; flex-shrink: 0; }
.ft-body h2 { margin-bottom: 14px; }
.ft-progress { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.ft-progress li {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid rgba(212, 175, 55, 0.45);
  color: var(--navy-900); font-weight: 600; padding: 9px 16px;
  border-radius: 999px; font-size: 14px;
}
.ft-progress li svg { width: 15px; height: 15px; color: var(--gold-500); }
@media (min-width: 820px) {
  .featured-teacher-grid { grid-template-columns: 0.82fr 1.18fr; }
  .ft-body { padding: 40px 46px; }
}

/* ===== Teacher photo grid ===== */
.team-photo-grid { display: grid; gap: 24px; grid-template-columns: 1fr; margin-top: 4px; }
.team-photo { margin: 0; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-card); }
.team-photo img { width: 100%; display: block; aspect-ratio: 4/3; object-fit: cover; }
@media (min-width: 700px) { .team-photo-grid { grid-template-columns: repeat(3, 1fr); } }