:root {
      --navy: #142750;
      --navy-deep: #0b1a3a;
      --navy-soft: #1d3768;
      --amber: #ffb703;
      --amber-soft: #ffd166;
      --ink: #16202e;
      --muted: #5b6b7f;
      --line: #e4e9f0;
      --bg: #f6f8fb;
      --white: #ffffff;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      color: var(--ink);
      background: var(--bg);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    .container { width: min(1120px, 92%); margin: 0 auto; }

    /* ============ HEADER ============ */
    header {
      position: sticky; top: 0; z-index: 100;
      background: rgba(255,255,255,.92);
      backdrop-filter: saturate(180%) blur(12px);
      border-bottom: 1px solid var(--line);
    }
    .nav {
      display: flex; align-items: center; justify-content: space-between;
      height: auto; min-height: 78px; padding: 10px 0;
    }
    .brand img { height: 40px; width: auto; display: block; }
    .brand-block { display: flex; flex-direction: column; gap: 7px; align-items: flex-start; }
    .lang-switch { display: flex; flex-wrap: wrap; gap: 5px; }
    .lang-switch a {
      font-size: .72rem; font-weight: 700; color: var(--muted); line-height: 1;
      padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line);
      background: #f4f6fa; transition: .15s;
    }
    .lang-switch a:hover { border-color: var(--amber); color: var(--navy-deep); background: #fff8e6; }
    .lang-switch a.active { background: var(--navy); color: #fff; border-color: var(--navy); }
    .nav-links { display: flex; gap: 4px; align-items: center; }
    .nav-links a {
      padding: 9px 14px; border-radius: 9px;
      font-size: .95rem; font-weight: 600; color: var(--ink);
      transition: background .15s, color .15s;
    }
    .nav-links a:hover { background: #eef2f8; color: var(--navy); }
    .nav-links a.cta-link {
      color: #3a2500; font-weight: 800;
      padding: 10px 18px; border-radius: 999px;
      border: 1.5px solid rgba(255, 215, 0, .65);
      background: linear-gradient(120deg, #fffbe6 0%, #ffd700 22%, #fff3b0 45%, #f6c945 68%, #ffeaa3 100%);
      background-size: 300% 100%;
      animation: goldFlow 4s ease-in-out infinite;
      box-shadow: 0 4px 14px rgba(255, 183, 3, .3);
    }
    .nav-links a.cta-link:hover { color: #3a2500; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(255, 183, 3, .5); }
    .burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
    .burger span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 4px 0; border-radius: 2px; }

    /* ============ HERO ============ */
    .hero {
      position: relative; height: calc(100svh - 68px); min-height: 560px;
      display: flex; align-items: center; justify-content: center;
      text-align: center; overflow: hidden; background: var(--navy-deep);
    }
    .hero video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }
    .hero .overlay {
      position: absolute; inset: 0; z-index: 2;
      background:
        linear-gradient(180deg, rgba(6,10,14,.6) 0%, rgba(6,10,14,.38) 45%, rgba(6,10,14,.86) 100%),
        radial-gradient(ellipse at center, rgba(0,0,0,.05) 0%, rgba(6,10,14,.5) 100%);
    }
    .hero .content { position: relative; z-index: 3; padding: 24px; max-width: 800px; }
    .badge {
      display: inline-block; padding: 8px 18px; border: 1px solid rgba(255,255,255,.25);
      border-radius: 999px; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
      color: #e6edf3; backdrop-filter: blur(6px); margin-bottom: 26px;
    }
    .hero h1 { font-size: clamp(2.6rem, 8vw, 5rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.02; color: #fff; }
    .hero h1 .accent { color: var(--amber); }
    .hero .subtitle { font-size: clamp(1rem, 2.6vw, 1.3rem); color: #d6dee6; letter-spacing: .03em; margin-top: 12px; }
    .hero .tagline { font-size: clamp(.95rem, 2.4vw, 1.15rem); font-weight: 600; color: var(--amber); letter-spacing: .06em; margin-top: 16px; }
    .hook { margin-bottom: 20px; }
    .hook-main { font-size: clamp(1.3rem, 3vw, 1.7rem); font-weight: 800; color: #fff; line-height: 1.2; }
    .hook-highlight {
      display: inline-block; margin-top: 12px;
      font-size: clamp(1.7rem, 5vw, 2.8rem); font-weight: 800;
      color: #1a1200; background: var(--amber);
      padding: 6px 24px; border-radius: 12px;
      box-shadow: 0 8px 34px rgba(255,183,3,.55);
      letter-spacing: -.01em; white-space: nowrap;
    }
    .hook-sub { margin-top: 16px; font-size: .84rem; letter-spacing: .16em; text-transform: uppercase; color: #e6edf3; opacity: .92; font-weight: 600; }
    .hero .desc { font-size: clamp(.92rem, 2vw, 1.05rem); line-height: 1.75; color: #c2ccd6; max-width: 640px; margin: 22px auto 30px; }
    .hero .cta {
      display: inline-flex; align-items: center; gap: 10px; padding: 16px 36px;
      color: #3a2500; font-weight: 800; font-size: 1.05rem; letter-spacing: .01em;
      border-radius: 999px;
      border: 2px solid rgba(255, 215, 0, .65);
      background: linear-gradient(120deg, #fffbe6 0%, #ffd700 22%, #fff3b0 45%, #f6c945 68%, #ffeaa3 100%);
      background-size: 300% 100%;
      animation: goldFlow 4s ease-in-out infinite;
      box-shadow: 0 6px 22px rgba(255, 183, 3, .35);
      transition: transform .18s, box-shadow .18s;
    }
    .hero .cta:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 10px 30px rgba(255, 183, 3, .55); }
    .hero-ctas { display: flex; flex-direction: row; align-items: center; justify-content: center; gap: 12px; margin-top: 22px; }
    .hero .belanja-cta {
      background: linear-gradient(120deg, #ff7337, #ee4d2d);
      color: #fff; border: 2px solid rgba(255,255,255,.22);
      animation: none; box-shadow: 0 6px 22px rgba(238,77,45,.4);
    }
    .hero .belanja-cta:hover { box-shadow: 0 10px 30px rgba(238,77,45,.55); }
    @keyframes goldFlow { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
    .hero .models { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 30px; }
    .hero .models span { padding: 8px 16px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; font-size: .85rem; color: #e6edf3; backdrop-filter: blur(6px); }
    .scroll-hint { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 3; color: #9fb0bf; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; animation: float 2.2s ease-in-out infinite; }
    @keyframes float { 0%,100%{transform:translate(-50%,0);} 50%{transform:translate(-50%,-8px);} }

    /* ============ SECTIONS ============ */
    section { padding: 84px 0; }
    section.alt { background: var(--white); }
    .section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
    .eyebrow { color: var(--amber); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; font-size: .8rem; }
    .section-head h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); color: var(--navy-deep); font-weight: 800; letter-spacing: -.02em; margin: 10px 0 14px; }
    .section-head p { color: var(--muted); font-size: 1.05rem; }

    /* ============ TENTANG ============ */
    .about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
    .about-text h3 { font-size: 1.5rem; color: var(--navy-deep); margin-bottom: 14px; }
    .about-text p { color: var(--muted); margin-bottom: 14px; }
    .key-quote {
      border-left: 4px solid var(--amber); background: #fff8e6; padding: 18px 20px;
      border-radius: 0 12px 12px 0; color: var(--navy-deep); font-weight: 600; font-size: 1.02rem;
    }
    .answers { display: grid; gap: 16px; }
    .answer-card { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 22px; box-shadow: 0 1px 2px rgba(16,24,40,.04); }
    .answer-card .who { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--navy-soft); background: #eef2f8; padding: 4px 10px; border-radius: 6px; margin-bottom: 10px; }
    .answer-card .q { font-weight: 700; color: var(--ink); margin-bottom: 8px; }
    .answer-card .a { color: var(--muted); font-size: .96rem; }

    /* ============ PRODUK ============ */
    .stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 52px; }
    .stat { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 26px 18px; text-align: center; }
    .stat .num { font-size: 2.2rem; font-weight: 800; color: var(--navy); line-height: 1; }
    .stat .num span { color: var(--amber); }
    .stat .lbl { color: var(--muted); font-size: .9rem; margin-top: 8px; }
    .model-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .model-card { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 28px 24px; transition: transform .18s, box-shadow .18s, border-color .18s; }
    .model-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(16,24,40,.09); border-color: #d5deea; }
    .model-card .icon { width: 52px; height: 52px; border-radius: 13px; background: var(--navy); color: var(--amber); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 800; margin-bottom: 18px; }
    .model-card h3 { color: var(--navy-deep); font-size: 1.2rem; margin-bottom: 10px; }
    .model-card p { color: var(--muted); font-size: .94rem; }

    /* ============ PRODUK SHAPES PHOTO ============ */
    .shapes-photo { text-align: center; margin: 40px 0 44px; }
    .shapes-photo img {
      display: block; width: 100%; max-width: 480px; height: auto;
      margin: 0 auto; border-radius: 16px; border: 1px solid var(--line);
      box-shadow: 0 6px 24px rgba(16,24,40,.08); background: #fff;
    }
    .shapes-caption { margin-top: 14px; font-weight: 700; color: var(--navy-deep); font-size: 1.05rem; }

    /* ============ FAQ ============ */
    .jump { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 40px; }
    .jump a { padding: 7px 14px; border: 1px solid var(--line); border-radius: 999px; font-size: .84rem; font-weight: 600; color: var(--navy-soft); background: var(--white); transition: .15s; }
    .jump a:hover { border-color: var(--amber); color: var(--navy-deep); background: #fff8e6; }
    .faq-group { margin-bottom: 40px; }
    .faq-group h3 { display: flex; align-items: center; gap: 12px; color: var(--navy-deep); font-size: 1.2rem; margin-bottom: 12px; scroll-margin-top: 90px; }
    .faq-group h3 .g-tag { background: var(--navy); color: #fff; font-size: .78rem; font-weight: 700; padding: 4px 11px; border-radius: 7px; }
    details { background: var(--white); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 10px; overflow: hidden; }
    details summary { cursor: pointer; padding: 16px 20px; font-weight: 600; color: var(--ink); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
    details summary::-webkit-details-marker { display: none; }
    details summary::after { content: "+"; font-size: 1.4rem; color: var(--amber); font-weight: 700; flex-shrink: 0; transition: transform .2s; }
    details[open] summary::after { transform: rotate(45deg); }
    details[open] summary { background: #fbfcfe; color: var(--navy-deep); }
    details .answer { padding: 4px 20px 18px; color: var(--muted); font-size: .96rem; }

    /* ============ ACADEMY ============ */
    .academy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .term { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
    .term .en { font-size: 1.15rem; font-weight: 800; color: var(--navy-deep); }
    .term .id { display: inline-block; color: var(--amber); font-weight: 700; font-size: .9rem; margin: 6px 0 10px; }
    .term p { color: var(--muted); font-size: .92rem; }
    .term .note { margin-top: 10px; font-size: .84rem; color: var(--navy-soft); }
    .academy-callout { margin-top: 36px; background: var(--navy); color: #e6edf3; border-radius: 16px; padding: 30px 32px; }
    .academy-callout h4 { color: var(--amber); font-size: 1.1rem; margin-bottom: 10px; }
    .academy-callout p { color: #c2ccd6; font-size: .96rem; }

    /* ============ KONTAK ============ */
    .contact { background: var(--navy-deep); color: #fff; text-align: center; }
    .contact h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; margin-bottom: 14px; }
    .contact p { color: #c2ccd6; max-width: 560px; margin: 0 auto 30px; }
    .contact .cta { display: inline-flex; align-items: center; gap: 10px; padding: 16px 34px; background: var(--amber); color: #1a1200; font-weight: 700; border-radius: 12px; font-size: 1.05rem; transition: .15s; }
    .contact .cta:hover { background: var(--amber-soft); transform: translateY(-2px); }
    .contact-alt { margin-top: 24px; display: flex; flex-direction: column; gap: 8px; color: #c2ccd6; font-size: .98rem; }
    .contact-alt a { color: var(--amber-soft); font-weight: 600; }
    .contact-alt a:hover { text-decoration: underline; }

    /* ============ GOOGLE MAPS FRAME ============ */
    .map-frame { margin-top: 34px; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 6px 24px rgba(16,24,40,.15); background: #fff; }
    .map-frame iframe { display: block; width: 100%; height: 380px; border: 0; }

    /* ============ FOOTER ============ */
    footer { background: #08101e; color: #8fa0b5; padding: 44px 0; }
    footer .foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; align-items: center; }
    footer .foot img { height: 30px; width: auto; filter: brightness(0) invert(1); }
    footer .small { font-size: .85rem; }
    footer .tag { color: var(--amber); font-weight: 600; }
    footer a { color: #c2ccd6; }
    footer a:hover { color: var(--amber-soft); }

    /* ============ STICKY WHATSAPP ============ */
    .wa-float {
      position: fixed; right: 22px; bottom: 22px; z-index: 200;
      width: 60px; height: 60px; border-radius: 50%;
      background: #25D366; display: flex; align-items: center; justify-content: center;
      box-shadow: 0 8px 24px rgba(37,211,102,.45);
      transition: transform .18s, box-shadow .18s;
    }
    .wa-float:hover { transform: scale(1.08); box-shadow: 0 10px 30px rgba(37,211,102,.6); }
    .wa-float svg { width: 34px; height: 34px; fill: #fff; }
    .wa-float .pulse { position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25D366; animation: pulse 2s ease-out infinite; }
    @keyframes pulse { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.6); opacity: 0; } }

    /* ============ RESPONSIVE ============ */
    @media (max-width: 900px) {
      .about-grid { grid-template-columns: 1fr; }
      .model-grid, .academy-grid { grid-template-columns: repeat(2, 1fr); }
      .stats { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 640px) {
      .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 10px 16px 18px; box-shadow: 0 12px 24px rgba(16,24,40,.1); }
      .nav-links.open { display: flex; }
      .burger { display: block; }
      .model-grid, .academy-grid, .stats { grid-template-columns: 1fr; }
      section { padding: 60px 0; }
      .hero .content { padding-bottom: 82px; }
      .hero-ctas { gap: 10px; margin-top: 16px; }
      .hero .cta, .hero .belanja-cta { flex: 1 1 0; padding: 11px 8px; font-size: .8rem; justify-content: center; white-space: nowrap; }
    }