:root{
  --clay:#2f5f48;--clay-deep:#1d4331;--sand:#dfe6d8;--bone:#fffdf7;--bone-2:#eaede5;
  --card:#ffffff;--ink:#1d4331;--muted:#4a6a57;--leaf:#2f5f48;--leaf-deep:#1d4331;--line:#d9e0d3;
  --serif:"Newsreader",Georgia,serif;--sans:"Poppins","Segoe UI",system-ui,sans-serif;
  --r:20px;--shadow:0 18px 40px -22px rgba(29,67,49,.35);
}
:root[data-theme=dark]{
  --clay:#5f9a7b;--clay-deep:#8cc2a3;--sand:#2f4a3c;--bone:#12241b;--bone-2:#183026;
  --card:#1c3629;--ink:#eef3ea;--muted:#a3bdad;--leaf:#8cc2a3;--leaf-deep:#0f2018;--line:#2b4638;
  --shadow:0 18px 40px -22px rgba(0,0,0,.7);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--sans);background:var(--bone);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.12;letter-spacing:-.01em}
h1{font-size:clamp(2.6rem,6vw,4.6rem)}
h2{font-size:clamp(2rem,4vw,3rem)}
em{font-style:italic;color:var(--clay)}
.eyebrow{display:inline-block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--clay);font-weight:600;margin-bottom:14px}
.lead{font-size:1.1rem;color:var(--muted);max-width:52ch;margin:22px 0 30px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 26px;border-radius:999px;font-weight:500;font-size:.95rem;border:1.5px solid transparent;cursor:pointer;font-family:var(--sans);transition:.2s}
.btn.sm{padding:9px 20px;font-size:.88rem}
.btn-clay{background:var(--clay);color:#fff}.btn-clay:hover{background:var(--clay-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);background:transparent}.btn-ghost:hover{border-color:var(--clay);color:var(--clay)}
.btn-light{background:#fff;color:var(--leaf-deep)}.btn-light:hover{transform:translateY(-1px)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bone) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.2s}
.nav.scrolled{border-color:var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:1.4rem;font-weight:600}
.brand img{width:40px;height:40px;object-fit:contain}
.brand em{color:var(--clay);font-style:normal;font-weight:500}
.links{display:flex;gap:30px;font-size:.92rem}
.links a{color:var(--muted);transition:.2s}.links a:hover{color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;font-size:1rem}
.burger{display:none}

/* hero */
.hero{padding:56px 0 70px;background:
  radial-gradient(900px 400px at 85% 0%,color-mix(in srgb,var(--sand) 55%,transparent),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.stats{list-style:none;display:flex;gap:34px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap}
.stats b{display:block;font-family:var(--serif);font-size:1.45rem;font-weight:500}
.stats span{font-size:.8rem;color:var(--muted)}
.hero-img{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:1/1.05}
.hero-img img{width:100%;height:100%;object-fit:cover}
.hero-img figcaption{position:absolute;left:18px;bottom:18px;background:var(--card);padding:12px 18px;border-radius:14px;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.hero-img figcaption span{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--clay)}
.hero-img figcaption b{font-family:var(--serif);font-weight:500;font-size:1.05rem}

/* strip */
.strip{background:var(--leaf-deep);color:#e8f1e5}
.strip-in{display:flex;justify-content:space-between;gap:10px 28px;flex-wrap:wrap;padding:16px 0;font-size:.85rem}
.strip-in span::before{content:"✦ ";color:#9fd096}

/* sections */
.sec{padding:96px 0}
.sec-alt{background:var(--bone-2)}
.sec-head{max-width:700px;margin-bottom:48px}
.sec-head p{color:var(--muted);margin-top:16px}

.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:.25s}
.card:hover{transform:translateY(-4px)}
.card-img{position:relative;aspect-ratio:16/10;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .card-img img{transform:scale(1.04)}
.tag{position:absolute;top:16px;left:16px;background:var(--clay);color:#fff;font-size:.72rem;padding:5px 12px;border-radius:999px;letter-spacing:.06em}
.tag.alt{background:var(--leaf)}
.card-b{padding:28px}
.card-b h3{font-size:1.8rem;margin-bottom:10px}
.card-b p{color:var(--muted);font-size:.95rem}
.ticks{list-style:none;padding:0;margin:18px 0 26px;display:grid;gap:8px;font-size:.92rem}
.ticks li::before{content:"✓";color:var(--leaf);font-weight:700;margin-right:10px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev{grid-template-columns:1.05fr .95fr}
.split-img{border-radius:28px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:1/1}
.split-img img{width:100%;height:100%;object-fit:cover}
.steps{list-style:none;padding:0;margin-top:30px;display:grid;gap:22px}
.steps li{display:flex;gap:20px}
.steps b{font-family:var(--serif);font-size:1.6rem;color:var(--clay);min-width:44px}
.steps h4{font-size:1.2rem;margin-bottom:2px}
.steps p{color:var(--muted);font-size:.92rem}

.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat>div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.ico{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:var(--bone-2);color:var(--clay);font-size:1.2rem;margin-bottom:16px}
.feat h4{font-size:1.2rem;margin-bottom:6px}
.feat p{font-size:.9rem;color:var(--muted)}

.sec-green{background:var(--leaf-deep);color:#eef5ec}
.sec-green .eyebrow{color:#9fd096}
.sec-green em{color:#b6e3ad}
.sec-green p{color:#cfe0cb;margin-top:16px}
.box{margin-top:30px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);padding:26px;border-radius:var(--r)}
.box h4{font-size:1.3rem}
.box .btn{margin-top:18px}

.quote{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.quote p{color:var(--muted);margin-top:16px}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:32px}
.contact>*{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;display:block}
.contact span{display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.contact b{font-weight:500;font-size:.92rem}
a.contact-link:hover,.contact a:hover{border-color:var(--clay)}
.form{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:32px;display:grid;gap:16px;box-shadow:var(--shadow);align-content:start}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:6px;font-size:.82rem;color:var(--muted);font-weight:500}
input,select,textarea{font:inherit;color:var(--ink);background:var(--bone);border:1px solid var(--line);border-radius:12px;padding:12px 14px;outline:none;transition:.2s;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--clay);box-shadow:0 0 0 3px color-mix(in srgb,var(--clay) 20%,transparent)}
.form small{color:var(--muted);font-size:.78rem}

.foot{background:var(--bone-2);border-top:1px solid var(--line);padding-top:60px}
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:40px}
.foot-brand p{color:var(--muted);font-size:.9rem;margin-top:14px;max-width:38ch}
.foot h5{font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-weight:600}
.foot-in>div a,.foot-in>div span{display:block;font-size:.92rem;margin-bottom:8px}
.foot-in>div a:hover{color:var(--clay)}
.copy{border-top:1px solid var(--line);padding:20px 0;font-size:.82rem;color:var(--muted)}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .hero-grid,.split,.split.rev,.quote,.cards{grid-template-columns:1fr}
  .hero-grid{gap:36px}.split{gap:36px}
  .feat{grid-template-columns:1fr 1fr}
  .foot-in{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}
  .links{position:absolute;top:72px;left:0;right:0;background:var(--bone);flex-direction:column;gap:0;padding:8px 20px 16px;border-bottom:1px solid var(--line);display:none}
  .links.open{display:flex}.links a{padding:12px 0;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .sec{padding:68px 0}
}
@media(max-width:560px){
  .feat,.row,.contact{grid-template-columns:1fr}
  .nav-actions .btn{display:none}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

/* 3D vitrin */
model-viewer{--poster-color:transparent;width:100%;height:min(70vh,520px);background:var(--bone-2);border-radius:var(--r);border:1px solid var(--line);display:block}
.vitrin-poster{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:.85rem;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.vitrin-ar-btn{position:absolute;bottom:16px;right:16px;box-shadow:var(--shadow)}
.hero-img img{object-position:35% center}

/* hurda palet */
.scrap{margin-top:28px;background:var(--leaf-deep);color:#eef5ec;border-radius:var(--r);padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--shadow)}
.scrap .eyebrow{color:#9fd096}.scrap h3{font-size:1.9rem}.scrap em{color:#b6e3ad}
.scrap p{color:#cfe0cb;margin-top:10px;max-width:62ch;font-size:.95rem}
.scrap .btn{flex:none}
/* sertifikalar */
.certs{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cert{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.cert-img{border:0;padding:0;background:var(--bone-2);cursor:zoom-in;aspect-ratio:3/4;overflow:hidden}
.cert-img img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .5s}
.cert-img:hover img{transform:scale(1.04)}
.cert-b{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.cert-b h4{font-size:1.25rem}
.cert-b p{font-size:.88rem;color:var(--muted)}
.cert-b small{font-size:.74rem;color:var(--muted);line-height:1.5}
.cert-b a{margin-top:auto;padding-top:8px;font-size:.85rem;font-weight:500;color:var(--clay)}
.cert-b a:hover{text-decoration:underline}
.doc{margin-top:22px;display:flex;align-items:center;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;transition:.2s}
.doc:hover{border-color:var(--clay)}
.doc .ico{margin:0;flex:none}.doc h4{font-size:1.2rem}.doc p{font-size:.88rem;color:var(--muted)}
.doc b{margin-left:auto;color:var(--clay);font-weight:500;font-size:.9rem}
#lightbox{border:0;padding:0;background:transparent;max-width:min(92vw,720px);max-height:92vh;overflow:visible}
#lightbox::backdrop{background:rgba(10,20,14,.82)}
#lightbox img{width:100%;max-height:92vh;object-fit:contain;border-radius:8px;background:#fff}
.lb-close{position:absolute;top:-14px;right:-14px;width:38px;height:38px;border-radius:50%;border:0;background:#fff;color:#1d4331;font-size:1.4rem;cursor:pointer;z-index:2}
@media(max-width:900px){.certs{grid-template-columns:1fr 1fr}.scrap{flex-direction:column;align-items:flex-start;padding:28px}}
@media(max-width:560px){.certs{grid-template-columns:1fr}.doc{flex-wrap:wrap}.doc b{margin-left:0}}