:root{
  --white:#ffffff;
  --cyan:#25F4EE;
  --pink:#FE2C55;
  --cyan-soft:#EAFDFC;
  --pink-soft:#FFECF0;
  --ink:#12151A;
  --ink-70:#4B5157;
  --ink-40:#8A9098;
  --line:#EDEFF1;
  --radius:20px;
  --maxw:1200px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Montserrat',sans-serif;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block; max-width:100%;}
a{text-decoration:none; color:inherit;}
ul{list-style:none;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 32px;}
h1,h2,h3{font-weight:800; letter-spacing:-0.02em; line-height:1.22;}
.eyebrow{
  font-size:12px; font-weight:700; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--pink); display:inline-flex; align-items:center; gap:8px; margin-bottom:16px;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:16px 32px; border-radius:999px; font-weight:700; font-size:15px;
  cursor:pointer; border:none; transition:transform .25s ease, box-shadow .25s ease;
  white-space:nowrap;
}
.btn-primary{ background:var(--pink); color:#fff; box-shadow:0 8px 24px rgba(254,44,85,.28); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 28px rgba(254,44,85,.36); }
.btn-outline{ background:transparent; color:var(--ink); border:1.5px solid var(--line); }
.btn-outline:hover{ border-color:var(--ink); }

.live-badge{
  display:inline-flex; align-items:center; gap:8px; font-size:12px; font-weight:700;
  letter-spacing:.08em; text-transform:uppercase; color:var(--pink);
}
.live-dot{ width:9px; height:9px; border-radius:50%; background:var(--pink); position:relative; flex:none; }
.live-dot::after{
  content:''; position:absolute; inset:-6px; border-radius:50%; border:1.5px solid var(--pink);
  animation:pulse 1.8s ease-out infinite;
}
@keyframes pulse{ 0%{ transform:scale(.5); opacity:1; } 100%{ transform:scale(1.9); opacity:0; } }

/* NAV */
header.site{
  position:sticky; top:0; z-index:50; background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px); border-bottom:1px solid var(--line);
}
nav{ display:flex; align-items:center; justify-content:space-between; padding:18px 32px; max-width:var(--maxw); margin:0 auto; }
.logo{ font-weight:900; font-size:20px; letter-spacing:-0.02em; display:flex; align-items:center; gap:10px;}
.logo img{ height:36px; width:auto; object-fit:contain; flex:none; }
.logo span{ color:var(--pink); }
.navlinks{ display:flex; gap:36px; font-size:14px; font-weight:600; color:var(--ink-70); }
.navlinks a{ position:relative; padding-bottom:6px; transition:color .2s ease; }
.navlinks a::after{ content:''; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--pink); transition:width .25s ease; }
.navlinks a:hover, .navlinks a.active{ color:var(--ink); }
.navlinks a:hover::after, .navlinks a.active::after{ width:100%; }
.btn-primary, .btn-outline{ transition:transform .25s ease, box-shadow .25s ease, background .2s ease, color .2s ease; }
.navcta{ display:flex; align-items:center; gap:20px; }

/* PAGE HERO (banner cho các trang con) */
.page-hero{
  padding:64px 0 56px;
  background: radial-gradient(600px 300px at 85% -10%, var(--cyan-soft), transparent 60%);
  border-bottom:1px solid var(--line);
}
.page-hero h1{ font-size:clamp(32px,4.4vw,52px); margin-bottom:16px; }
.page-hero p{ color:var(--ink-70); font-size:17px; max-width:560px; line-height:1.6; }
.breadcrumb{ font-size:13px; color:var(--ink-40); margin-bottom:18px; font-weight:600; }
.breadcrumb a{ color:var(--ink-40); }
.breadcrumb a:hover{ color:var(--pink); }

/* HERO trang chủ */
.hero{
  position:relative; padding:64px 0 80px;
  background:
    radial-gradient(600px 400px at 85% -10%, var(--cyan-soft), transparent 60%),
    radial-gradient(500px 350px at -5% 90%, var(--pink-soft), transparent 60%);
}
.hero-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:64px; align-items:center; }
.hero h1{ font-size:clamp(38px,5vw,64px); margin-bottom:24px; }
.hero h1 em{ font-style:normal; color:var(--pink); }
.hero p.lead{ font-size:18px; color:var(--ink-70); max-width:480px; line-height:1.6; margin-bottom:36px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:40px; }
.hero-proof{ display:flex; gap:32px; flex-wrap:wrap; }
.proof-item{ font-size:13px; color:var(--ink-40); font-weight:600; }
.proof-item b{ display:block; font-size:22px; font-weight:800; color:var(--ink); }

/* Ảnh — placeholder có thể thay bằng ảnh thật (xem hướng dẫn) */
.photo-frame{
  position:relative; aspect-ratio:9/16; width:100%; max-width:340px;
  border-radius:28px; overflow:hidden;
  background:linear-gradient(160deg, var(--cyan-soft) 0%, #fff 45%, var(--pink-soft) 100%);
  border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; text-align:center;
}
.photo-frame img{ width:100%; height:100%; object-fit:cover; }
.photo-frame .ph-inner{ padding:24px; }
.photo-frame svg{ width:56px; height:56px; margin:0 auto 14px; opacity:.55; }
.photo-frame small{ font-size:11px; color:var(--ink-40); font-weight:600; letter-spacing:.02em; display:block; }
.frame-tag{
  position:absolute; top:16px; left:16px; background:#fff; border-radius:999px; padding:6px 12px;
  font-size:11px; font-weight:700; box-shadow:0 4px 14px rgba(0,0,0,.08); display:flex; align-items:center; gap:6px; z-index:2;
}

section{ padding:96px 0; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(28px,3.4vw,42px); margin-bottom:16px; }
.section-head p{ color:var(--ink-70); font-size:17px; line-height:1.6; }
.center{ text-align:center; margin-left:auto; margin-right:auto; }

.band{ background:var(--ink); color:#fff; padding:64px 0; }
.band .wrap{ display:grid; grid-template-columns:repeat(3,1fr); gap:40px; }
.band-item{ border-left:2px solid rgba(255,255,255,.18); padding-left:24px; }
.band-item h3{ font-size:20px; margin-bottom:10px; }
.band-item p{ color:rgba(255,255,255,.65); font-size:14px; line-height:1.6; }
.band-item .not{ color:var(--cyan); font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.08em; margin-bottom:8px; display:block; }

.about-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:64px; align-items:center; }
.value-list{ display:flex; flex-direction:column; gap:28px; }
.value-item{ display:flex; gap:18px; }
.value-icon{
  flex:none; width:44px; height:44px; border-radius:12px; background:var(--cyan-soft);
  display:flex; align-items:center; justify-content:center; color:var(--ink);
}
.value-item h4{ font-size:16px; font-weight:700; margin-bottom:6px; }
.value-item p{ font-size:14px; color:var(--ink-70); line-height:1.6; }

.split{ display:grid; grid-template-columns:1fr 1fr; gap:0; border-radius:28px; overflow:hidden; border:1px solid var(--line); }
.split-col{ padding:48px; }
.split-col.mentor{ background:var(--cyan-soft); }
.split-col.idol{ background:var(--pink-soft); }
.split-col .role-tag{ font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.1em; margin-bottom:14px; display:block; }
.split-col.mentor .role-tag{ color:#0F9E98; }
.split-col.idol .role-tag{ color:var(--pink); }
.split-col h3{ font-size:26px; margin-bottom:16px; }
.checklist{ margin-top:20px; display:flex; flex-direction:column; gap:10px; }
.checklist li{ font-size:14px; color:var(--ink-70); display:flex; gap:10px; align-items:flex-start; }
.checklist li::before{ content:'—'; font-weight:700; color:var(--ink-40); }

/* Lộ trình đào tạo theo mốc thời gian */
.timeline-row{ display:grid; grid-template-columns:repeat(5,1fr); gap:16px; }
.timeline-item{
  border:1px solid var(--line); border-radius:16px; padding:20px 18px; background:#fff;
  border-top:3px solid var(--cyan); position:relative;
}
.timeline-tag{
  display:inline-block; font-size:11px; font-weight:700; color:var(--pink);
  text-transform:uppercase; letter-spacing:.04em; margin-bottom:10px;
}
.timeline-item h4{ font-size:15px; font-weight:700; margin-bottom:8px; line-height:1.3; }
.timeline-item p{ font-size:12.5px; color:var(--ink-70); line-height:1.55; }
@media (max-width:900px){
  .timeline-row{ grid-template-columns:1fr; }
}

.podium{ display:grid; grid-template-columns:1fr 1.15fr 1fr; gap:24px; align-items:end; }
.podium-card{
  border-radius:24px; border:1px solid var(--line); padding:0 0 32px; text-align:center; position:relative;
  background:#fff; overflow:hidden; transition:transform .3s ease, box-shadow .3s ease;
}
.podium-card:hover{ transform:translateY(-8px); box-shadow:0 24px 44px rgba(0,0,0,.12); }
.podium-card.top1{ box-shadow:0 28px 56px rgba(0,0,0,.14); border-color:transparent; }
.podium-card.top1:hover{ transform:translateY(-8px); box-shadow:0 34px 64px rgba(0,0,0,.2); }
/* Hiệu ứng bục nhận thưởng: Hạng 1 cao nhất, Hạng 2 giữa, Hạng 3 thấp nhất */
.podium-card:nth-child(1){ margin-top:32px; }
.podium-card:nth-child(3){ margin-top:64px; }

.podium-header{
  position:relative; overflow:hidden;
  padding:34px 24px 26px; margin-bottom:18px;
}
.podium-header.stage-gold{
  background:
    radial-gradient(180px 220px at 12% -15%, rgba(37,244,238,.45), transparent 60%),
    radial-gradient(180px 220px at 88% -15%, rgba(254,44,85,.45), transparent 60%),
    radial-gradient(220px 180px at 50% 105%, rgba(37,244,238,.18), transparent 65%),
    linear-gradient(160deg, #0C0E13 0%, #1C2027 100%);
}
.podium-header.stage-silver{
  background:
    radial-gradient(160px 200px at 20% -15%, rgba(37,244,238,.32), transparent 60%),
    radial-gradient(200px 160px at 50% 110%, rgba(37,244,238,.14), transparent 65%),
    linear-gradient(160deg, #14171D 0%, #262A31 100%);
}
.podium-header.stage-bronze{
  background:
    radial-gradient(160px 200px at 80% -15%, rgba(254,44,85,.32), transparent 60%),
    radial-gradient(200px 160px at 50% 110%, rgba(254,44,85,.14), transparent 65%),
    linear-gradient(160deg, #14171D 0%, #262A31 100%);
}
.podium-header::before, .podium-header::after{
  content:''; position:absolute; width:2px; height:2px; border-radius:50%;
  background:#fff; box-shadow:
    18px 24px 0 0 rgba(255,255,255,.9), 42px 12px 0 0 rgba(255,255,255,.6),
    70px 30px 0 0 rgba(255,255,255,.5), 100px 10px 0 0 rgba(255,255,255,.8),
    130px 26px 0 0 rgba(255,255,255,.5), 160px 8px 0 0 rgba(255,255,255,.7),
    190px 22px 0 0 rgba(255,255,255,.5), 220px 14px 0 0 rgba(255,255,255,.6);
}
.podium-header::before{ top:0; left:0; }
.podium-header::after{ top:0; right:0; transform:scaleX(-1); }
.podium-header .podium-avatar{ position:relative; z-index:1; }

.podium-avatar{
  width:132px; height:132px; border-radius:50%; margin:0 auto; transition:transform .3s ease;
  background:linear-gradient(160deg,var(--cyan-soft),var(--pink-soft));
  display:flex; align-items:center; justify-content:center; color:var(--ink-40); font-size:11px; font-weight:600;
  border:5px solid #fff; box-shadow:0 8px 24px rgba(0,0,0,.25); overflow:hidden;
}
.top1 .podium-avatar{ width:172px; height:172px; border-width:6px; box-shadow:0 14px 32px rgba(0,0,0,.4); }
.podium-card:hover .podium-avatar{ transform:scale(1.05); }
.podium-avatar img{ width:100%; height:100%; object-fit:cover; }

.podium-body{ padding:0 4px; }
.podium-card h4{ font-size:17px; margin-bottom:6px; padding:0 20px; }
.top1 h4{ font-size:21px; }
.podium-tiktok{
  display:inline-flex; align-items:center; gap:6px; margin:2px 0 14px;
  font-size:12px; font-weight:700; color:var(--ink); padding:6px 14px; border-radius:999px;
  border:1px solid var(--line); transition:background .2s ease, border-color .2s ease, transform .2s ease;
}
.podium-tiktok:hover{ background:var(--ink); color:#fff; border-color:var(--ink); transform:translateY(-2px); }
.podium-tiktok svg{ width:13px; height:13px; }
.podium-body > span.meta{ font-size:12px; color:var(--ink-40); font-weight:600; display:block; margin-bottom:10px; }
.podium-quote{
  font-size:13px; font-style:italic; color:var(--ink-70); line-height:1.6;
  border-top:1px solid var(--line); padding:14px 20px 0; margin:4px 20px 0;
}

.card-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.tip-card{ border:1px solid var(--line); border-radius:20px; overflow:hidden; transition:box-shadow .25s ease, transform .25s ease; display:block; background:#fff; }
.tip-card:hover{ box-shadow:0 20px 40px rgba(0,0,0,.06); transform:translateY(-4px); }
.tip-card .tip-thumb{ aspect-ratio:16/10; background:linear-gradient(160deg,var(--cyan-soft),var(--pink-soft)); display:flex; align-items:center; justify-content:center; }
.tip-card .tip-thumb img{ width:100%; height:100%; object-fit:cover; }
.tip-card .tip-body{ padding:24px; }
.tip-cat{ font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.08em; color:var(--pink); margin-bottom:14px; display:block; }
.tip-card h4{ font-size:18px; margin-bottom:10px; line-height:1.3; }
.tip-card p{ font-size:14px; color:var(--ink-70); line-height:1.6; }
.tip-readmore{ font-size:13px; font-weight:700; color:var(--ink); margin-top:14px; display:inline-flex; align-items:center; gap:6px; }

/* Bài viết chi tiết */
.article-head{ max-width:760px; margin:0 auto 40px; text-align:center; }
.article-head h1{ font-size:clamp(28px,4vw,44px); margin:14px 0 18px; }
.article-meta{ font-size:13px; color:var(--ink-40); font-weight:600; }
.article-cover{ max-width:900px; margin:0 auto 48px; aspect-ratio:16/9; border-radius:24px; overflow:hidden; background:linear-gradient(160deg,var(--cyan-soft),var(--pink-soft)); display:flex; align-items:center; justify-content:center; }
.article-cover img{ width:100%; height:100%; object-fit:cover; }
.article-body{ max-width:720px; margin:0 auto; font-size:17px; line-height:1.85; color:var(--ink-70); }
.article-body h2{ font-size:24px; color:var(--ink); margin:40px 0 16px; }
.article-body p{ margin-bottom:20px; }
.article-body ul{ margin:0 0 20px 0; }
.article-body ul li{ display:flex; gap:10px; margin-bottom:10px; }
.article-body ul li::before{ content:'—'; font-weight:700; color:var(--ink-40); flex:none; }
.related-wrap{ max-width:900px; margin:64px auto 0; border-top:1px solid var(--line); padding-top:48px; }
.related-wrap h3{ font-size:20px; margin-bottom:24px; }
.related-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }

.contact-wrap{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:flex-start; }
.contact-info h3{ font-size:15px; text-transform:uppercase; letter-spacing:.08em; margin-bottom:10px; color:var(--ink-40); }
.contact-info .big{ font-size:22px; font-weight:700; margin-bottom:28px; }
.contact-list{ display:flex; flex-direction:column; gap:18px; }
.contact-list li{ font-size:14px; color:var(--ink-70); }
.contact-list b{ display:block; color:var(--ink); font-size:14px; margin-bottom:2px; }
.region-list{ display:flex; flex-direction:column; gap:6px; margin-top:6px; }
.region-item{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  background:#fff; border:1px solid var(--line); border-radius:12px; padding:10px 14px; max-width:280px;
}
.region-name{ font-size:13px; font-weight:700; color:var(--ink); }
.region-item a{ font-size:14px; font-weight:700; color:var(--pink); }
.region-item a:hover{ text-decoration:underline; }

form.apply{ background:var(--cyan-soft); border-radius:24px; padding:40px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:13px; font-weight:700; margin-bottom:8px; }
.field input, .field select, .field textarea{
  width:100%; padding:14px 16px; border-radius:12px; border:1.5px solid var(--line); font-family:inherit;
  font-size:14px; background:#fff; outline:none; transition:border-color .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--pink); }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
form.apply .btn{ width:100%; margin-top:8px; }
.form-note{ font-size:12px; color:var(--ink-40); margin-top:14px; text-align:center; }
#form-success{ display:none; text-align:center; padding:40px 20px; }
#form-success svg{ width:48px; height:48px; margin:0 auto 16px; color:var(--pink); }
#form-success h4{ font-size:20px; margin-bottom:8px; }
#form-success p{ color:var(--ink-70); font-size:14px; }

footer.site{ background:var(--ink); color:rgba(255,255,255,.6); padding:56px 0 32px; }
.footer-top{ display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:32px; margin-bottom:40px; }
.footer-logo{ color:#fff; font-weight:900; font-size:20px; margin-bottom:12px; display:flex; align-items:center; gap:10px; }
.footer-logo img{ height:30px; width:auto; object-fit:contain; flex:none; }
.footer-logo span{ color:var(--cyan); }
.footer-links{ display:flex; gap:48px; flex-wrap:wrap; }
.footer-col h5{ color:#fff; font-size:13px; margin-bottom:14px; text-transform:uppercase; letter-spacing:.06em; }
.footer-col a{ display:block; font-size:14px; margin-bottom:10px; color:rgba(255,255,255,.6); }
.footer-col a:hover{ color:#fff; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.1); padding-top:24px; font-size:12px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; }

@media (max-width:900px){
  .navlinks{ display:none; }
  .hero-grid, .about-grid, .contact-wrap{ grid-template-columns:1fr; }
  .hero-grid .photo-frame{ margin:0 auto; order:-1; }
  .band .wrap{ grid-template-columns:1fr; }
  .split{ grid-template-columns:1fr; }
  .podium{ grid-template-columns:1fr; }
  .podium-card.top1{ order:-1; }
  .podium-card:nth-child(1), .podium-card:nth-child(3){ margin-top:0; }
  .card-row, .related-grid{ grid-template-columns:1fr; }
  .field-row{ grid-template-columns:1fr; }
  section{ padding:64px 0; }
}
/* Hiệu ứng xuất hiện khi cuộn trang */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.visible{ opacity:1; transform:translateY(0); }

/* Nút liên hệ nổi (Zalo / Telegram / Điện thoại) */
.floating-contact{ position:fixed; right:20px; bottom:20px; display:flex; flex-direction:column; gap:12px; z-index:80; }
.fc-btn{
  width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.18); transition:transform .2s ease, box-shadow .2s ease; color:#fff;
}
.fc-btn:hover{ transform:scale(1.08) translateY(-2px); box-shadow:0 12px 28px rgba(0,0,0,.24); }
.fc-btn svg{ width:24px; height:24px; }
.fc-zalo{ background:#0068FF; }
.fc-telegram{ background:#27A7E7; }
.fc-phone{ background:var(--pink); }
@media (max-width:600px){
  .floating-contact{ right:14px; bottom:14px; gap:10px; }
  .fc-btn{ width:46px; height:46px; }
  .fc-btn svg{ width:20px; height:20px; }
}

@media (prefers-reduced-motion: reduce){
  .live-dot::after{ animation:none; }
  .reveal{ opacity:1; transform:none; transition:none; }
  *{ transition:none !important; }
}