:root {
  --navy: #061b39;
  --navy-2: #0a2d58;
  --blue: #0b62b4;
  --cyan: #08a5cf;
  --red: #e62e36;
  --gold: #f5b83b;
  --ink: #102033;
  --muted: #617083;
  --line: #dce5ee;
  --soft: #f4f8fc;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(7, 32, 68, .13);
  --radius: 20px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 88px 0; }
.section-sm { padding: 58px 0; }
.bg-soft { background: var(--soft); }
.bg-navy { background: var(--navy); color: var(--white); }
.muted { color: var(--muted); }
.center { text-align: center; }

.skip-link { position: fixed; left: 16px; top: -60px; z-index: 9999; padding: 10px 16px; background: var(--navy); color: #fff; }
.skip-link:focus { top: 16px; }

.topbar { background: var(--navy); color: rgba(255,255,255,.86); font-size: .88rem; }
.topbar .container { min-height: 38px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.topbar-links { display: flex; gap: 20px; align-items: center; }
.topbar a:hover { color: #fff; }

.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.96); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(6,27,57,.08); }
.nav-wrap { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 245px; }
.brand img { width: 64px; height: 64px; object-fit: contain; }
.brand-text strong { display: block; color: var(--navy); font-size: .98rem; line-height: 1.15; letter-spacing: -.01em; }
.brand-text span { display: block; color: var(--blue); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-top: 4px; }
.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a { position: relative; padding: 12px 14px; color: #25384e; font-size: .94rem; font-weight: 700; border-radius: 10px; }
.site-nav a:hover, .site-nav a.active { color: var(--blue); background: #edf6ff; }
.nav-cta { padding: 12px 18px !important; color: #fff !important; background: linear-gradient(135deg, var(--red), #bd1420) !important; box-shadow: 0 12px 28px rgba(230,46,54,.24); }
.nav-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--line); background: #fff; border-radius: 12px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 5px auto; }

.hero { position: relative; overflow: hidden; padding: 72px 0 62px; background: linear-gradient(135deg, #eff8ff 0%, #fff 48%, #edf4fb 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .38; pointer-events: none; background-image: linear-gradient(rgba(11,98,180,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(11,98,180,.06) 1px, transparent 1px); background-size: 40px 40px; mask-image: linear-gradient(to bottom, #000, transparent 84%); }
.hero::after { content: ""; position: absolute; width: 420px; height: 420px; right: -170px; top: -160px; background: radial-gradient(circle, rgba(8,165,207,.25), transparent 68%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .92fr 1.08fr; gap: 52px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); text-transform: uppercase; letter-spacing: .11em; font-size: .78rem; font-weight: 900; }
.eyebrow::before { content: ""; width: 28px; height: 3px; border-radius: 99px; background: var(--red); }
h1, h2, h3 { color: var(--navy); line-height: 1.16; margin-top: 0; }
h1 { font-size: clamp(2.5rem, 5.5vw, 4.65rem); letter-spacing: -.045em; margin: 18px 0 22px; }
.hero h1 span { color: var(--blue); }
.hero-copy { max-width: 640px; font-size: 1.08rem; color: #4d5f73; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 13px 20px; border-radius: 12px; border: 1px solid transparent; font-weight: 800; cursor: pointer; transition: .25s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--blue), #084b91); color: #fff; box-shadow: 0 14px 30px rgba(11,98,180,.24); }
.btn-red { background: linear-gradient(135deg, var(--red), #bb111c); color: #fff; box-shadow: 0 14px 30px rgba(230,46,54,.22); }
.btn-outline { border-color: #b9cadb; color: var(--navy); background: rgba(255,255,255,.72); }
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-badge { display: flex; align-items: center; gap: 8px; padding: 9px 12px; background: #fff; border: 1px solid #dce8f3; border-radius: 99px; color: #41566c; font-size: .84rem; font-weight: 700; }
.hero-media { position: relative; }
.hero-media img { width: 100%; border-radius: 22px; box-shadow: var(--shadow); border: 7px solid #fff; }
.hero-media::before { content: ""; position: absolute; inset: 20px -18px -20px 25px; border-radius: 24px; background: linear-gradient(145deg, var(--blue), var(--cyan)); z-index: -1; opacity: .22; }
.hero-floating { position: absolute; left: -28px; bottom: -28px; max-width: 225px; background: #fff; border-radius: 16px; padding: 16px; box-shadow: var(--shadow); border-left: 4px solid var(--red); }
.hero-floating strong { display: block; color: var(--navy); font-size: 1.1rem; }
.hero-floating span { color: var(--muted); font-size: .82rem; }

.stats-bar { position: relative; z-index: 3; margin-top: -1px; background: var(--navy); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.stat { padding: 28px 24px; border-right: 1px solid rgba(255,255,255,.12); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-size: 1.75rem; color: #fff; line-height: 1.1; }
.stat span { color: rgba(255,255,255,.7); font-size: .86rem; }

.section-heading { max-width: 740px; margin-bottom: 38px; }
.section-heading.center { margin-inline: auto; }
.section-heading h2 { font-size: clamp(2rem, 4vw, 3.05rem); margin: 12px 0 14px; letter-spacing: -.035em; }
.section-heading p { margin: 0; color: var(--muted); font-size: 1.02rem; }

.cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: 0 12px 32px rgba(7,32,68,.06); transition: .25s ease; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: #c4d9ec; }
.icon-box { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px; background: linear-gradient(145deg, #e8f5ff, #f6fbff); color: var(--blue); font-size: 1.35rem; font-weight: 900; margin-bottom: 20px; }
.card h3 { margin-bottom: 10px; font-size: 1.22rem; }
.card p { margin: 0; color: var(--muted); font-size: .94rem; }
.card-link { display: inline-flex; gap: 7px; margin-top: 18px; color: var(--blue); font-weight: 800; }

.course-card { padding: 0; overflow: hidden; }
.course-card .course-top { min-height: 128px; padding: 26px; color: #fff; background: linear-gradient(135deg, var(--navy), var(--blue)); position: relative; }
.course-card:nth-child(2) .course-top { background: linear-gradient(135deg, #0b365e, #008bbd); }
.course-card:nth-child(3) .course-top { background: linear-gradient(135deg, #1f3653, #d92834); }
.course-card:nth-child(4) .course-top { background: linear-gradient(135deg, #3e2b0a, #bc7a00); }
.course-card:nth-child(5) .course-top { background: linear-gradient(135deg, #242b42, #5d55a6); }
.course-no { position: absolute; right: 18px; top: 9px; font-weight: 900; font-size: 3.4rem; opacity: .13; line-height: 1; }
.course-top h3 { color: #fff; margin: 0; font-size: 1.35rem; max-width: 85%; }
.course-body { padding: 24px 26px 26px; }
.course-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag { display: inline-flex; padding: 6px 10px; background: #eef6fc; color: #225276; font-size: .76rem; font-weight: 800; border-radius: 99px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 58px; align-items: center; }
.media-stack { position: relative; min-height: 470px; }
.media-stack .main { width: 82%; height: 390px; object-fit: cover; border-radius: 20px; box-shadow: var(--shadow); }
.media-stack .secondary { position: absolute; right: 0; bottom: 0; width: 52%; height: 225px; object-fit: cover; border: 8px solid #fff; border-radius: 20px; box-shadow: var(--shadow); }
.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 13px; }
.check-list li { position: relative; padding-left: 34px; color: #405368; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 23px; height: 23px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--blue); font-weight: 900; font-size: .78rem; }

.gallery-grid { display: grid; grid-template-columns: repeat(12,1fr); grid-auto-rows: 170px; gap: 14px; }
.gallery-item { border: 0; padding: 0; overflow: hidden; border-radius: 16px; position: relative; cursor: zoom-in; background: #dce7f1; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item::after { content: "Lihat"; position: absolute; right: 12px; bottom: 12px; padding: 7px 11px; color: #fff; background: rgba(6,27,57,.78); border-radius: 8px; font-size: .76rem; font-weight: 800; opacity: 0; transform: translateY(6px); transition: .25s ease; }
.gallery-item:hover::after { opacity: 1; transform: translateY(0); }
.gallery-item.wide { grid-column: span 6; grid-row: span 2; }
.gallery-item.medium { grid-column: span 3; grid-row: span 2; }
.gallery-item.small { grid-column: span 3; }

.poster-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.poster-card { display: block; cursor: zoom-in; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 12px; box-shadow: 0 12px 30px rgba(7,32,68,.08); }
.poster-card img { aspect-ratio: 1/1; width: 100%; object-fit: cover; border-radius: 12px; }

.inner-hero { position: relative; overflow: hidden; padding: 78px 0 72px; color: #fff; background: linear-gradient(120deg, rgba(6,27,57,.98), rgba(11,98,180,.92)); }
.inner-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 36px 36px; }
.inner-hero .container { position: relative; z-index: 1; }
.inner-hero h1 { color: #fff; font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 15px; }
.inner-hero p { max-width: 720px; color: rgba(255,255,255,.78); font-size: 1.06rem; }
.breadcrumb { display: flex; gap: 9px; align-items: center; color: rgba(255,255,255,.7); font-size: .85rem; font-weight: 700; margin-bottom: 12px; }
.breadcrumb a { color: #fff; }

.timeline { border-left: 2px solid #cbe0f2; margin-left: 12px; padding-left: 30px; display: grid; gap: 28px; }
.timeline-item { position: relative; }
.timeline-item::before { content: ""; position: absolute; width: 15px; height: 15px; left: -39px; top: 5px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 6px #fff, 0 0 0 8px #dbe9f5; }
.timeline-item strong { color: var(--blue); }

.profile-image { border-radius: 18px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.profile-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.profile-panel { padding: 14px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.profile-panel img { border-radius: 12px; }
.profile-panel h3 { margin: 15px 8px 7px; font-size: 1.05rem; }
.profile-panel p { margin: 0 8px 10px; color: var(--muted); font-size: .88rem; }

.course-detail { display: grid; grid-template-columns: 90px 1fr auto; gap: 24px; align-items: center; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 10px 28px rgba(7,32,68,.05); }
.course-detail + .course-detail { margin-top: 16px; }
.course-detail .number { width: 72px; height: 72px; display: grid; place-items: center; border-radius: 18px; color: #fff; background: linear-gradient(135deg, var(--blue), var(--cyan)); font-size: 1.45rem; font-weight: 900; }
.course-detail h3 { margin: 0 0 7px; }
.course-detail p { margin: 0; color: var(--muted); }
.course-detail .btn { white-space: nowrap; }

.contact-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 30px; align-items: start; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 30px; box-shadow: 0 12px 34px rgba(7,32,68,.07); }
.contact-list { display: grid; gap: 18px; margin-top: 26px; }
.contact-item { display: grid; grid-template-columns: 48px 1fr; gap: 15px; align-items: start; }
.contact-item .icon { width: 48px; height: 48px; display: grid; place-items: center; color: #fff; background: var(--blue); border-radius: 13px; font-weight: 900; }
.contact-item strong { display: block; color: var(--navy); }
.contact-item span, .contact-item a { color: var(--muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: grid; gap: 7px; }
.form-group.full { grid-column: 1 / -1; }
label { font-size: .86rem; font-weight: 800; color: #263d56; }
input, select, textarea { width: 100%; border: 1px solid #cad7e4; border-radius: 11px; padding: 13px 14px; outline: none; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(11,98,180,.1); }
textarea { min-height: 140px; resize: vertical; }
.map-wrap { overflow: hidden; border-radius: 18px; border: 1px solid var(--line); min-height: 380px; }
.map-wrap iframe { width: 100%; height: 420px; border: 0; display: block; }

.cta-band { position: relative; overflow: hidden; border-radius: 24px; padding: 44px; color: #fff; background: linear-gradient(135deg, var(--navy), var(--blue)); box-shadow: var(--shadow); }
.cta-band::after { content: ""; position: absolute; width: 260px; height: 260px; right: -60px; top: -120px; border-radius: 50%; border: 45px solid rgba(255,255,255,.08); }
.cta-band-grid { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta-band h2 { color: #fff; margin: 0 0 8px; font-size: clamp(1.75rem, 3.5vw, 2.6rem); }
.cta-band p { margin: 0; color: rgba(255,255,255,.75); }

.site-footer { background: #04142b; color: rgba(255,255,255,.74); }
.footer-grid { display: grid; grid-template-columns: 1.35fr .7fr .8fr 1fr; gap: 45px; padding: 64px 0 42px; }
.footer-brand { display: flex; align-items: center; gap: 13px; margin-bottom: 18px; }
.footer-brand img { width: 68px; height: 68px; object-fit: contain; background: #fff; border-radius: 12px; padding: 4px; }
.footer-brand strong { color: #fff; display: block; line-height: 1.2; }
.footer-col h3 { color: #fff; font-size: 1rem; margin-bottom: 17px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; display: flex; justify-content: space-between; gap: 20px; font-size: .84rem; }

.whatsapp-float { position: fixed; z-index: 999; right: 20px; bottom: 20px; display: flex; align-items: center; gap: 10px; padding: 13px 17px; color: #fff; background: #1fbd5a; border-radius: 99px; box-shadow: 0 16px 34px rgba(0,0,0,.25); font-weight: 900; }
.whatsapp-float:hover { transform: translateY(-3px); }

.lightbox { position: fixed; inset: 0; z-index: 2000; display: none; align-items: center; justify-content: center; padding: 30px; background: rgba(1,10,25,.92); }
.lightbox.open { display: flex; }
.lightbox img { max-width: min(1100px, 94vw); max-height: 86vh; border-radius: 12px; }
.lightbox-close { position: absolute; right: 24px; top: 20px; border: 0; background: transparent; color: #fff; font-size: 2.2rem; cursor: pointer; }

.reveal { opacity: 1; transform: none; }
.js .reveal { animation: fadeUp .55s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 980px) {
  .topbar { display: none; }
  .nav-wrap { min-height: 74px; }
  .brand { min-width: 0; }
  .brand img { width: 55px; height: 55px; }
  .nav-toggle { display: block; }
  .site-nav { position: fixed; left: 20px; right: 20px; top: 82px; padding: 14px; display: grid; gap: 4px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(-12px); transition: .25s ease; }
  .site-nav.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .hero-grid, .split, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .hero-grid { gap: 40px; }
  .hero-media { max-width: 760px; }
  .hero-floating { left: 18px; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.12); }
  .cards { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .course-detail { grid-template-columns: 75px 1fr; }
  .course-detail .btn { grid-column: 2; justify-self: start; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 66px 0; }
  .brand-text strong { font-size: .84rem; }
  .brand-text span { font-size: .62rem; }
  h1 { font-size: 2.5rem; }
  .hero-actions .btn { width: 100%; }
  .hero-floating { position: relative; left: auto; bottom: auto; margin: 14px auto 0; max-width: 100%; }
  .stats-grid, .cards, .poster-grid, .profile-grid, .form-grid { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .stat:last-child { border-bottom: 0; }
  .gallery-grid { grid-template-columns: repeat(2,1fr); grid-auto-rows: 150px; }
  .gallery-item.wide, .gallery-item.medium, .gallery-item.small { grid-column: span 1; grid-row: span 1; }
  .gallery-item:first-child { grid-column: 1 / -1; grid-row: span 2; }
  .media-stack { min-height: 400px; }
  .media-stack .main { width: 88%; height: 320px; }
  .media-stack .secondary { width: 58%; height: 180px; }
  .course-detail { grid-template-columns: 1fr; }
  .course-detail .btn { grid-column: 1; }
  .cta-band { padding: 32px 24px; }
  .cta-band-grid { display: grid; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { display: grid; }
  .whatsapp-float span { display: none; }
  .whatsapp-float { width: 54px; height: 54px; padding: 0; justify-content: center; border-radius: 50%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}