:root{
  --navy:#06235f;
  --blue:#1766d8;
  --teal:#00a7a5;
  --green:#20a84a;
  --lime:#8bc53f;
  --gold:#f7b731;
  --orange:#f97316;
  --pink:#e83e8c;
  --purple:#7c3aed;
  --ink:#0f172a;
  --muted:#64748b;
  --line:rgba(15,23,42,.10);
  --soft:#f6fbff;
  --white:#fff;
  --shadow:0 24px 70px rgba(15,23,42,.13);
  --radius:28px;
  --container:min(1160px,92vw);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter","Noto Sans Thai",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 10% 0%,rgba(0,167,165,.12),transparent 32%),
    radial-gradient(circle at 95% 12%,rgba(23,102,216,.10),transparent 28%),
    linear-gradient(180deg,#fff,#f8fbff 42%,#fff);
  line-height:1.7;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:var(--container);margin-inline:auto}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:16px;background:#fff;padding:10px 14px;border-radius:10px;z-index:1000}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px);
}
.navbar{height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;min-width:210px}
.brand img{width:62px;height:62px;object-fit:contain}
.brand strong{display:block;color:var(--navy);font-size:18px;line-height:1.08;font-weight:900}
.brand span{display:block;color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:10px 12px;border-radius:999px;color:#1e293b;font-size:14px;font-weight:800}
.nav-links a:hover,.nav-links a.active{background:#e9fbf8;color:#007f68}
.nav-actions{display:flex;gap:8px;align-items:center}
.menu-toggle{display:none;border:0;background:#0f172a;color:#fff;border-radius:14px;padding:10px 12px;font-weight:900}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:12px 20px;border-radius:999px;
  font-weight:900;border:1px solid transparent;cursor:pointer;
  box-shadow:0 14px 32px rgba(15,23,42,.10);
}
.btn-primary{background:linear-gradient(135deg,var(--teal),var(--blue));color:#fff}
.btn-gold{background:linear-gradient(135deg,#fff0b9,var(--gold));color:#3f2c00}
.btn-dark{background:var(--navy);color:#fff}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.hero{padding:64px 0 54px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.kicker{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:#fff;border:1px solid rgba(0,167,165,.22);color:#007f68;font-weight:900;font-size:13px;
  box-shadow:0 12px 34px rgba(15,23,42,.06);
}
.kicker::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 6px rgba(247,183,49,.18)}
h1,h2,h3{line-height:1.12;margin:0;color:var(--navy)}
.hero h1{font-size:clamp(42px,7vw,82px);letter-spacing:-.055em;margin:18px 0 16px}
.gradient-text{background:linear-gradient(135deg,var(--navy),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(17px,2vw,21px);color:#334155;margin:0 0 28px;max-width:760px}
.hero-card{
  background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.82);
  border-radius:38px;padding:18px;box-shadow:var(--shadow);
}
.hero-card img{border-radius:28px}
.quick-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:28px 0 0}
.stat{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 14px 36px rgba(15,23,42,.08)}
.stat span{display:block;font-size:13px;color:var(--muted);font-weight:900;text-transform:uppercase;letter-spacing:.05em}
.stat strong{display:block;font-size:24px;color:var(--navy);font-weight:950;margin-top:2px}
.section{padding:66px 0}
.section-soft{background:linear-gradient(180deg,rgba(239,246,255,.65),rgba(255,255,255,.85))}
.section-head{max-width:850px;margin:0 0 30px}
.eyebrow{font-size:13px;letter-spacing:.13em;text-transform:uppercase;color:#007f68;font-weight:950;margin-bottom:8px}
.section-head h2{font-size:clamp(30px,4vw,52px);letter-spacing:-.035em}
.section-head p{color:var(--muted);font-size:17px;margin:12px 0 0}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:0 18px 52px rgba(15,23,42,.08);position:relative;overflow:hidden;
}
.info-card::after{content:"";position:absolute;right:-48px;top:-48px;width:120px;height:120px;border-radius:50%;background:rgba(0,167,165,.10)}
.info-card .icon{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(0,167,165,.14),rgba(23,102,216,.14));font-size:26px;margin-bottom:16px}
.info-card h3{font-size:21px;margin-bottom:8px}
.info-card p{color:var(--muted);margin:0;font-size:15px}
.visual-section-img{border-radius:34px;box-shadow:var(--shadow);border:1px solid var(--line);overflow:hidden;background:#fff}
.timeline{display:grid;gap:16px}
.timeline-item{display:grid;grid-template-columns:190px 1fr;gap:18px;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:26px;padding:18px;box-shadow:0 16px 46px rgba(15,23,42,.07)}
.date-badge{border-radius:20px;padding:16px;background:linear-gradient(135deg,rgba(0,167,165,.13),rgba(23,102,216,.12));color:#007f68;font-weight:950;display:grid;place-items:center;text-align:center}
.timeline-item h3{font-size:22px;margin-bottom:4px}
.timeline-item p{margin:0;color:var(--muted)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{background:#fff;border:1px solid var(--line);border-radius:32px;padding:30px;box-shadow:0 18px 52px rgba(15,23,42,.08)}
.panel h3{font-size:28px;margin-bottom:14px}
.clean-list{margin:0;padding-left:20px;color:#334155}
.clean-list li{margin-bottom:8px}
.accordion{display:grid;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 20px;box-shadow:0 12px 32px rgba(15,23,42,.06)}
summary{cursor:pointer;color:var(--navy);font-weight:950;font-size:17px}
details p,details li{color:#334155}
.form-shell{background:linear-gradient(135deg,rgba(0,167,165,.15),rgba(23,102,216,.10),rgba(247,183,49,.16));border:1px solid var(--line);border-radius:38px;padding:22px;box-shadow:var(--shadow)}
.form-header{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;background:rgba(255,255,255,.78);border-radius:26px;padding:18px 22px;margin-bottom:18px}
.form-header strong{font-size:20px;color:var(--navy)}
.form-header span{display:block;color:var(--muted);font-size:14px}
iframe.form-frame{width:100%;height:900px;border:0;border-radius:26px;background:#fff;box-shadow:0 10px 28px rgba(15,23,42,.1)}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.video-card{background:#fff;border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:0 18px 52px rgba(15,23,42,.1)}
.video-wrap{background:linear-gradient(135deg,var(--navy),var(--teal));padding:14px}
.video-wrap iframe,.placeholder-video{width:100%;aspect-ratio:9/16;border:0;border-radius:20px;background:#06102d;display:block}
.placeholder-video{display:grid;place-items:center;color:#fff;text-align:center;padding:24px}
.video-meta{padding:18px}
.video-meta h3{font-size:20px;margin-bottom:4px}
.video-meta p{margin:0;color:var(--muted)}
.cta{padding:54px 0}
.cta-box{
  border-radius:40px;padding:44px;background:
  linear-gradient(135deg,rgba(6,35,95,.92),rgba(0,127,104,.83)),
  url('../img/cover.png') center/cover no-repeat;
  color:#fff;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
}
.cta-box h2{color:#fff;font-size:clamp(30px,4vw,48px)}
.cta-box p{color:rgba(255,255,255,.86);margin:8px 0 0}
.site-footer{background:#06102d;color:#cbd5e1;padding:40px 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:start}
.site-footer strong{color:#fff}
.footer-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.footer-links a{color:#dbeafe;font-weight:800}
.page-hero{padding:54px 0 30px}
.page-hero h1{font-size:clamp(38px,6vw,70px);letter-spacing:-.05em}
.breadcrumb{color:var(--muted);font-size:14px;font-weight:800;margin-bottom:8px}
.download-card{display:flex;gap:18px;align-items:center;justify-content:space-between;background:#fff;border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:0 18px 52px rgba(15,23,42,.08)}
.badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:950;letter-spacing:.04em;text-transform:uppercase}
.badge-green{background:#dcfce7;color:#166534}
.badge-blue{background:#dbeafe;color:#1d4ed8}
.badge-orange{background:#ffedd5;color:#c2410c}
@media (max-width:980px){
  .menu-toggle{display:inline-flex}
  .nav-links{position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(15,23,42,.08);display:none;flex-direction:column;align-items:stretch;padding:12px;width:100%}
  .nav-links.open{display:flex}
  .nav-links a{border-radius:14px}
  .hero-grid,.two-col,.footer-grid,.cta-box{grid-template-columns:1fr}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .quick-stats{grid-template-columns:repeat(2,1fr)}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .form-header{grid-template-columns:1fr}
}
@media (max-width:640px){
  .brand strong{font-size:15px}.brand img{width:50px;height:50px}.navbar{height:68px}
  .nav-links{top:68px}
  .hero{padding:40px 0}.section{padding:46px 0}
  .card-grid,.quick-stats,.video-grid{grid-template-columns:1fr}
  .timeline-item{grid-template-columns:1fr}
  .timeline-item,.panel,.info-card{border-radius:22px}
  iframe.form-frame{height:980px}
  .cta-box{padding:28px;border-radius:28px}
}


/* Apply page: no iframe version + LINE contact QR */
.apply-steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin:28px 0;
}
.apply-step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  padding:22px;
  box-shadow:0 18px 52px rgba(15,23,42,.08);
  position:relative;
  overflow:hidden;
}
.apply-step::before{
  content:attr(data-step);
  display:inline-grid;
  place-items:center;
  width:42px;
  height:42px;
  border-radius:15px;
  background:linear-gradient(135deg,var(--teal),var(--blue));
  color:#fff;
  font-weight:950;
  margin-bottom:14px;
}
.apply-step h3{font-size:21px;margin:0 0 8px}
.apply-step p{margin:0;color:var(--muted);font-size:15px}
.apply-action-panel{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:24px;
  align-items:stretch;
  margin-top:28px;
}
.application-card,
.line-contact-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  padding:30px;
  box-shadow:var(--shadow);
}
.application-card{
  background:
    radial-gradient(circle at 0% 0%,rgba(0,167,165,.14),transparent 36%),
    radial-gradient(circle at 100% 15%,rgba(247,183,49,.18),transparent 34%),
    #fff;
}
.application-card h2,
.line-contact-card h2{
  font-size:clamp(28px,3.5vw,42px);
  margin-bottom:12px;
}
.application-card p,
.line-contact-card p{
  color:var(--muted);
  margin:0 0 18px;
}
.prep-list{
  margin:18px 0 24px;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
}
.prep-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:#334155;
}
.prep-list li::before{
  content:"";
  width:10px;
  height:10px;
  margin-top:9px;
  flex:0 0 auto;
  border-radius:50%;
  background:linear-gradient(135deg,var(--teal),var(--green));
}
.line-qr-wrap{
  display:grid;
  grid-template-columns:190px 1fr;
  gap:22px;
  align-items:center;
}
.line-qr{
  background:#fff;
  border-radius:24px;
  padding:14px;
  border:1px solid rgba(15,23,42,.10);
  box-shadow:0 18px 45px rgba(15,23,42,.12);
}
.line-qr img{
  width:100%;
  border-radius:14px;
}
.contact-note{
  border-radius:22px;
  background:linear-gradient(135deg,rgba(32,168,74,.12),rgba(0,167,165,.10));
  border:1px solid rgba(32,168,74,.18);
  padding:16px;
  color:#166534;
  font-weight:800;
  font-size:15px;
}
@media (max-width:980px){
  .apply-steps{grid-template-columns:repeat(2,1fr)}
  .apply-action-panel{grid-template-columns:1fr}
}
@media (max-width:640px){
  .apply-steps{grid-template-columns:1fr}
  .line-qr-wrap{grid-template-columns:1fr}
  .line-qr{max-width:240px;margin:auto}
}


/* Video Showcase: 24 finalist placeholders grouped by division */
.video-showcase-groups{
  display:grid;
  gap:42px;
}
.video-division-section{
  background:rgba(255,255,255,.72);
  border:1px solid rgba(15,23,42,.08);
  border-radius:38px;
  padding:24px;
  box-shadow:var(--shadow);
}
.video-division-head{
  display:flex;
  justify-content:space-between;
  gap:18px;
  align-items:flex-start;
  margin-bottom:22px;
  padding:8px 6px 0;
}
.video-division-head h2{
  font-size:clamp(26px,3vw,38px);
  margin:10px 0 8px;
  letter-spacing:-.03em;
}
.video-division-head p{
  margin:0;
  color:#475569;
  font-size:16px;
}
.video-count-badge{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  min-width:128px;
  min-height:70px;
  padding:14px 18px;
  border-radius:24px;
  background:linear-gradient(135deg,var(--teal),var(--blue));
  color:#fff;
  font-weight:950;
  box-shadow:0 18px 38px rgba(23,102,216,.22);
}
.video-slot{
  display:inline-flex;
  margin-bottom:8px;
  padding:6px 10px;
  border-radius:999px;
  background:#eef6ff;
  color:#1d4ed8;
  font-size:12px;
  font-weight:950;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.video-division-section:nth-child(1) .video-count-badge{background:linear-gradient(135deg,var(--green),var(--teal))}
.video-division-section:nth-child(2) .video-count-badge{background:linear-gradient(135deg,var(--blue),var(--teal))}
.video-division-section:nth-child(3) .video-count-badge{background:linear-gradient(135deg,var(--orange),var(--gold));color:#3f2c00}
.video-division-section:nth-child(4) .video-count-badge{background:linear-gradient(135deg,var(--purple),var(--pink))}
@media (max-width:760px){
  .video-division-head{
    flex-direction:column;
  }
  .video-count-badge{
    width:100%;
    min-height:54px;
  }
}