*{margin:0;padding:0;box-sizing:border-box}
:root{
  --base:#f7f5f1;--surf:#fffdfa;--teal:#0e6b5c;--teal-d:#0a4f44;
  --copper:#c1762f;--ink:#22262b;--mut:#5f6b6a;--line:#e3ddd2;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--base);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;font-weight:700}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:100%;object-fit:cover}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(247,245,241,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 6px 24px rgba(0,0,0,.06)}
.nav-in{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.04em;font-size:18px}
.logo-mark{width:16px;height:16px;border-radius:50%;background:linear-gradient(135deg,var(--copper),var(--teal));box-shadow:0 0 0 3px rgba(14,107,92,.15)}
.links{display:flex;gap:26px;margin-left:auto;font-size:14.5px;color:var(--mut)}
.links a{transition:color .2s}.links a:hover{color:var(--teal)}
.btn{display:inline-block;padding:11px 22px;border-radius:30px;font-size:14px;font-weight:600;transition:transform .2s,background .2s,box-shadow .2s;white-space:nowrap}
.btn-solid{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(14,107,92,.25)}
.btn-solid:hover{background:var(--teal-d);transform:translateY(-2px)}
.btn-ghost{border:1.5px solid var(--teal);color:var(--teal)}
.btn-ghost:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}

.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--copper);margin-bottom:14px}

/* hero */
.hero{padding:64px 0 40px;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.hero h1{font-size:clamp(34px,4.4vw,56px);margin-bottom:20px}
.hero-copy p{font-size:17px;color:var(--mut);max-width:46ch;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.badges{display:flex;gap:12px;margin-top:30px}
.badge{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--teal);border:1px solid var(--line);background:var(--surf);padding:8px 16px;border-radius:8px}
.hero-media{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:1/1;box-shadow:0 30px 70px rgba(0,0,0,.16)}
.hero-tag{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.92);color:var(--ink);font-size:13px;font-weight:600;padding:9px 16px;border-radius:10px}

/* marquee */
.marquee{background:var(--teal);color:#fff;overflow:hidden;padding:13px 0;white-space:nowrap}
.marquee-track{display:inline-flex;gap:26px;align-items:center;animation:scroll 26s linear infinite;font-size:14px;font-weight:600;letter-spacing:.04em}
.marquee-track span{opacity:.95}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* sections */
.section{padding:80px 0}
.section.alt{background:var(--surf);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.head{margin-bottom:40px;max-width:640px}
.head h2{font-size:clamp(26px,3vw,38px)}

/* category grid */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:5/4;box-shadow:0 12px 30px rgba(0,0,0,.08)}
.cat::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,79,68,.75),transparent 55%)}
.cat-name{position:absolute;left:18px;bottom:16px;z-index:2;color:#fff;font-size:18px;font-weight:700}

/* products */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod{background:var(--base);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.prod:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(0,0,0,.1)}
.prod-img{aspect-ratio:11/9;overflow:hidden}
.prod-body{padding:18px}
.prod-body h3{font-size:17px;margin-bottom:6px}
.spec{font-size:13.5px;color:var(--mut);margin-bottom:14px;min-height:38px}
.inquire{display:inline-block;font-size:13.5px;font-weight:700;color:var(--copper);border-bottom:2px solid transparent;transition:border-color .2s}
.inquire:hover{border-color:var(--copper)}

/* why */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.why{background:var(--surf);border:1px solid var(--line);border-radius:16px;padding:28px 24px}
.why-no{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--copper)}
.why h3{font-size:19px;margin:12px 0 8px}
.why p{font-size:14px;color:var(--mut)}

/* film */
.film{background:var(--teal-d);color:#fff;padding:80px 0}
.film-in{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center}
.film-copy .eyebrow{color:#e9b988}
.film-copy h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:16px}
.film-copy p{color:rgba(255,255,255,.82);font-size:16px;max-width:44ch}
.film-video{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:16/10;box-shadow:0 30px 60px rgba(0,0,0,.4)}
.film-video video{position:absolute;inset:0;object-fit:cover}
.film-video::after{content:"";position:absolute;inset:0;background:rgba(8,40,35,.45)}
.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:72px;height:72px;border-radius:50%;background:rgba(255,255,255,.92);z-index:2;box-shadow:0 0 0 0 rgba(255,255,255,.5);animation:pulse 2.4s infinite}
.play::before{content:"";position:absolute;left:54%;top:50%;transform:translate(-50%,-50%);border-style:solid;border-width:13px 0 13px 22px;border-color:transparent transparent transparent var(--teal-d)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,255,255,.45)}70%{box-shadow:0 0 0 26px rgba(255,255,255,0)}100%{box-shadow:0 0 0 0 rgba(255,255,255,0)}}
.film-label{position:absolute;right:16px;bottom:14px;z-index:2;color:#fff;font-size:13px;font-weight:600;background:rgba(0,0,0,.35);padding:7px 13px;border-radius:8px}

/* stats */
.stats{background:var(--copper);color:#fff;padding:54px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.num{display:block;font-size:clamp(36px,5vw,56px);font-weight:800;letter-spacing:-.03em}
.lbl{font-size:14px;letter-spacing:.04em;opacity:.92}

/* certs */
.cert-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cert{background:var(--surf);border:1px solid var(--line);border-radius:14px;padding:30px 22px;text-align:center}
.cert-name{display:block;font-size:24px;font-weight:800;color:var(--teal);letter-spacing:.04em}
.cert-sub{font-size:13px;color:var(--mut)}

/* cta */
.cta{padding:84px 0;text-align:center;background:linear-gradient(135deg,var(--teal),var(--teal-d));color:#fff}
.cta-in{max-width:640px;margin:0 auto}
.cta h2{font-size:clamp(26px,3.2vw,40px);margin-bottom:14px}
.cta p{color:rgba(255,255,255,.85);font-size:17px;margin-bottom:26px}
.cta .hero-cta{justify-content:center}
.cta .btn-solid{background:#fff;color:var(--teal)}
.cta .btn-solid:hover{background:var(--base)}
.cta .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.cta .btn-ghost:hover{background:#fff;color:var(--teal)}

/* footer */
.footer{background:#161a1d;color:#cdd3d1;padding:56px 0 26px}
.footer .logo{color:#fff;margin-bottom:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.foot-note{font-size:14px;color:#9aa3a1;max-width:38ch}
.footer h4{color:#fff;font-size:14px;letter-spacing:.06em;margin-bottom:12px;text-transform:uppercase}
.footer p{font-size:14px;color:#9aa3a1;margin-bottom:10px}
.foot-bottom{border-top:1px solid #2a2f32;margin-top:36px;padding-top:20px;font-size:13px;color:#7c8482}

/* image zoom */
.zoom{transition:transform .6s ease}
.cat:hover .zoom,.prod:hover .zoom,.hero-media:hover .zoom{transform:scale(1.07)}

/* reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .hero-in,.film-in{grid-template-columns:1fr;gap:34px}
  .links{display:none}
  .cat-grid,.prod-grid,.why-grid,.stat-grid,.cert-row{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
}
@media(max-width:560px){.cat-grid,.prod-grid,.why-grid,.cert-row{grid-template-columns:1fr}}