:root{
    --ink:#1a1e24; --ink-2:#3c434d; --mut:#6b7480; --line:#e3dfd7;
    --bg:#faf8f4; --card:#ffffff; --steel:#c9d0d6; --dark:#232830;
    --red:#c8102e; --olive:#5b6b52; --char:#31363d; --smoke:#7a7f86; --accent:#c8102e;
    --shadow:0 10px 30px rgba(20,24,30,.08);
    --radius:16px;
    --font-display:"Oswald","Arial Narrow",Arial,sans-serif;
    --font-body:"Inter","Segoe UI",system-ui,-apple-system,Helvetica,Arial,sans-serif;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:var(--font-body);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:1180px;margin:0 auto;padding:0 20px}
  section{padding:64px 0}

  /* ---------- header ---------- */
  .topbar{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
  .topbar .wrap{display:flex;align-items:center;gap:28px;height:60px}
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.5px;font-size:15px;color:var(--ink)}
  .brand .dot{width:26px;height:26px;border-radius:50%;background:var(--dark);display:grid;place-items:center}
  .brand .dot::before{content:"";width:10px;height:10px;border:2px solid #fff;border-radius:2px}
  nav{display:flex;gap:22px;margin-left:auto;font-size:13.5px;color:var(--ink-2)}
  nav a{padding:4px 2px;border-bottom:2px solid transparent;transition:.2s}
  nav a:hover{color:var(--accent);border-color:var(--accent)}
  .cta{background:var(--dark);color:#fff;padding:9px 18px;border-radius:40px;font-size:13px;font-weight:600;letter-spacing:.3px;transition:.2s;white-space:nowrap}
  .cta:hover{background:var(--accent)}

  /* ---------- hero ---------- */
  .hero{padding:70px 0 40px}
  .hero .kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2.5px;text-transform:uppercase;color:var(--accent);font-weight:700;background:#fdeef0;border:1px solid #f6d4da;padding:7px 14px;border-radius:40px}
  .hero h1{font-family:var(--font-display);font-weight:600;font-size:clamp(34px,5vw,62px);line-height:1.05;letter-spacing:.5px;margin:20px 0 14px;text-transform:uppercase}
  .hero h1 em{font-style:normal;color:var(--accent)}
  .hero .lead{max-width:820px;color:var(--ink-2);font-size:16.5px}
  .usps{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 34px}
  .usps span{border:1px solid var(--line);background:var(--card);padding:8px 15px;border-radius:40px;font-size:13px;font-weight:600;color:var(--ink-2)}
    .hero .rotator{overflow:hidden;margin:24px 0 26px;padding:4px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
  .hero .rotator .mq{display:inline-flex;white-space:nowrap;will-change:transform;animation:mq 22s linear infinite}
  .hero .rotator .mq span{font-family:var(--font-display);font-size:clamp(13px,1.5vw,17px);font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--accent);padding-right:56px;white-space:nowrap}
  @keyframes mq{to{transform:translateX(-50%)}}
  .crsl-item{position:relative;flex:0 0 100%;aspect-ratio:1;background:var(--card)}
  .crsl-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:44px 20px 16px;background:linear-gradient(transparent,rgba(18,22,28,.85));color:#fff;text-align:left;font-size:14px;letter-spacing:.3px}
  .crsl-item figcaption b{display:block;font-family:var(--font-display);font-size:19px;letter-spacing:1px;text-transform:uppercase;margin-bottom:2px}
  .crsl{position:relative;max-width:880px;margin:0 auto;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);background:var(--card)}
  .crsl-track{display:flex;transition:transform .7s cubic-bezier(.4,0,.2,1)}
  .crsl-item{flex:0 0 100%;aspect-ratio:1;background:var(--card)}
  .crsl-item img{width:100%;height:100%;object-fit:cover;display:block}
  .crsl-btn{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:none;background:rgba(255,255,255,.88);color:var(--ink);font-size:26px;line-height:1;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.18);z-index:5}
  .crsl-btn.prev{left:16px}.crsl-btn.next{right:16px}
  .crsl-btn:hover{background:#fff;color:var(--accent)}
  .crsl-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px;z-index:5}
  .crsl-dots .dot{width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,255,255,.7);cursor:pointer;padding:0;transition:.3s}
  .crsl-dots .dot.on{background:var(--accent);width:24px;border-radius:6px}

  /* ---------- overview ---------- */
  .overview .cols{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
  .sec-tag{font-size:12px;letter-spacing:2.5px;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:10px}
  h2{font-family:var(--font-display);font-weight:600;font-size:clamp(26px,3.2vw,40px);text-transform:uppercase;line-height:1.15;margin-bottom:16px}
  .overview p{color:var(--ink-2);margin-bottom:14px}
  .overview ul{list-style:none;margin:18px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .overview li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2)}
  .overview li::before{content:"✓";color:#fff;background:var(--olive);border-radius:50%;width:18px;height:18px;font-size:11px;display:grid;place-items:center;flex:none;margin-top:3px}
    .overview .imgcard img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
  .overview .badge{margin-top:14px;background:var(--dark);color:#fff;padding:14px 18px;border-radius:14px;font-size:13px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow)}
  .overview .badge b{flex:none;font-size:20px;font-family:var(--font-display);letter-spacing:.5px}

  /* ---------- style matrix tabs ---------- */
  .matrix{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .matrix h2{text-align:center}
  .matrix .sub{text-align:center;color:var(--mut);max-width:760px;margin:0 auto 26px}
  .tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:30px}
  .tab{border:1px solid var(--line);background:var(--bg);padding:10px 18px;border-radius:40px;font-size:13.5px;font-weight:600;color:var(--ink-2);cursor:pointer;transition:.2s}
  .tab:hover{border-color:var(--accent);color:var(--accent)}
  .tab.on{background:var(--dark);color:#fff;border-color:var(--dark)}
  .panel{display:none;animation:fade .4s ease}
  .panel.on{display:grid;grid-template-columns:340px 1fr;gap:30px}
  @keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
  .panel .p-hero{background:#f1f3f5;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
  .panel .p-hero img{width:100%;height:100%;object-fit:cover;aspect-ratio:1}
  .panel h3{font-family:var(--font-display);font-size:26px;text-transform:uppercase;letter-spacing:.4px}
  .panel .p-tag{font-size:12px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;margin:4px 0 12px}
  .panel .p-desc{color:var(--ink-2);font-size:14.5px;margin-bottom:14px}
  .panel ul{list-style:none;display:grid;gap:7px;margin-bottom:18px}
  .panel li{font-size:13.8px;color:var(--ink-2);display:flex;gap:8px}
  .panel li::before{content:"▸";color:var(--accent)}
  .panel .grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
  .panel .grid figure{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);cursor:pointer;aspect-ratio:1}
  .panel .grid img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
  .panel .grid figure:hover img{transform:scale(1.08)}
  .panel .grid figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(20,24,30,.78));color:#fff;font-size:11px;font-weight:600;padding:16px 8px 7px;letter-spacing:.3px}

  /* ---------- scenes / usage ---------- */
  .scenes h2{text-align:center}
  .scenes .sub{text-align:center;color:var(--mut);max-width:720px;margin:0 auto 30px}
  .scenes .strip{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
  .scard{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:16/10;min-height:210px}
  .scard img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
  .scard:hover img{transform:scale(1.06)}
  .scard .ov{position:absolute;inset:auto 0 0 0;padding:34px 16px 14px;background:linear-gradient(transparent,rgba(20,24,30,.82));color:#fff}
  .scard b{display:block;font-size:15px;letter-spacing:.3px;margin-bottom:2px}
  .scard span{font-size:12px;opacity:.85}

  /* ---------- process ---------- */
  .process{background:var(--dark);color:#e9edf1}
  .process .sec-tag{color:#ff7a84}
  .process h2{color:#fff}
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px}
  .step{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:22px 18px}
  .step .n{font-family:var(--font-display);font-size:34px;color:#ff7a84;line-height:1}
  .step b{display:block;margin:10px 0 6px;font-size:15px;letter-spacing:.3px}
  .step p{font-size:13px;color:#b6bfc9}
  .opts{margin-top:30px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
  .opts span{border:1px solid rgba(255,255,255,.22);padding:7px 14px;border-radius:30px;font-size:12.5px;color:#dfe5ea}

  /* ---------- FAQ ---------- */
  .faq h2{text-align:center}
  .faq .sub{text-align:center;color:var(--mut);margin:0 auto 26px;max-width:640px}
  details{border:1px solid var(--line);background:var(--card);border-radius:12px;margin-bottom:10px;overflow:hidden}
  summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:600;font-size:15px;display:flex;justify-content:space-between;align-items:center;gap:14px}
  summary::-webkit-details-marker{display:none}
  summary::after{content:"+";font-size:20px;color:var(--accent);transition:transform .25s;flex:none}
  details[open] summary::after{transform:rotate(45deg)}
  details .a{padding:0 20px 18px;color:var(--ink-2);font-size:14.5px}

  /* ---------- footer cta ---------- */
  .foot{background:var(--ink);color:#dfe5ea;padding:46px 0;text-align:center}
  .foot h2{color:#fff;font-family:var(--font-display)}
  .foot p{color:#aeb7c1;max-width:640px;margin:10px auto 22px;font-size:14.5px}
  .foot .cta{background:#fff;color:var(--ink);display:inline-block}
  .foot .cta:hover{background:#ff7a84;color:#fff}
  .foot .tiny{margin-top:26px;font-size:12px;color:#7c8691}

  /* ---------- lightbox ---------- */
  .lb{position:fixed;inset:0;background:rgba(15,18,22,.9);display:none;align-items:center;justify-content:center;z-index:99;padding:30px}
  .lb.on{display:flex}
  .lb img{max-width:92vw;max-height:88vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
  .lb .x{position:absolute;top:20px;right:28px;color:#fff;font-size:34px;cursor:pointer;line-height:1}

  @media(max-width:960px){
    .overview .cols{grid-template-columns:1fr}
    .panel.on{grid-template-columns:1fr}
    .panel .grid{grid-template-columns:repeat(3,1fr)}
    .scenes .strip{grid-template-columns:repeat(2,1fr)}
    .steps{grid-template-columns:repeat(2,1fr)}
    .crsl{max-width:720px}
    nav{display:none}
  }
  @media(max-width:560px){
    section{padding:44px 0}
    .scenes .strip{grid-template-columns:1fr 1fr}
    .panel .grid{grid-template-columns:1fr 1fr}
    .steps{grid-template-columns:1fr}
    .overview ul{grid-template-columns:1fr}
  }