/* Duna — витрина, тёмный минимализм в стиле Apple */
:root{
  --bg:#0a0a0b; --bg2:#111113; --card:#151518; --line:#26262b;
  --ink:#f5f5f7; --muted:#a1a1a6; --dim:#6e6e73;
  --accent:#ffffff; --sale:#ff453a; --gold:#c8a15a;
  --radius:18px; --wrap:1200px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:100px;padding:13px 26px;font-size:15px;font-weight:500;cursor:pointer;
  transition:transform .3s var(--ease),background .3s var(--ease),opacity .3s;min-height:44px}
.btn-primary{background:var(--ink);color:#0a0a0b}
.btn-primary:hover{transform:translateY(-2px);opacity:.9}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(10,10,11,.72);
  backdrop-filter:saturate(160%) blur(18px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:56px}
.nav .links{display:flex;gap:26px;align-items:center}
.nav .links a{color:var(--muted);font-size:14px;transition:color .25s}
.nav .links a:hover{color:var(--ink)}
.brand{display:flex;align-items:center;gap:9px;font-size:19px;font-weight:600;letter-spacing:.02em}
.brand .mark{width:26px;height:26px;border:2px solid var(--ink);border-radius:50%;
  border-right-color:transparent;transform:rotate(-45deg)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px}
.mobile-menu{display:none;flex-direction:column;padding:8px 24px 18px;border-bottom:1px solid var(--line);background:var(--bg)}
.mobile-menu a{padding:11px 0;color:var(--muted);border-bottom:1px solid var(--line)}

/* hero */
.hero{position:relative;min-height:82vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(120% 90% at 50% 8%, #2a2a30 0%, #141417 42%, #0a0a0b 78%)}
.hero-inner{position:relative;z-index:1;max-width:760px;padding:120px 24px}
.eyebrow{font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}
.hero h1{font-size:clamp(44px,8vw,88px);font-weight:600;letter-spacing:-.02em;margin:0 0 20px;line-height:1.02}
.hero p{font-size:clamp(17px,2.2vw,21px);color:var(--muted);max-width:560px;margin:0 auto 30px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* sections */
section{padding:clamp(64px,9vw,110px) 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 48px}
.section-head .eyebrow{margin-bottom:14px}
.section-head h2{font-size:clamp(30px,4.5vw,46px);font-weight:600;letter-spacing:-.02em;margin:0 0 12px}
.section-head p{color:var(--muted);margin:0}
.alt{background:var(--bg2)}

/* products grid */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .4s var(--ease),border-color .4s}
.card:hover{transform:translateY(-4px);border-color:#3a3a40}
.p-media{position:relative;aspect-ratio:4/3;background:linear-gradient(160deg,#1c1c20,#0f0f12);
  display:grid;place-items:center;overflow:hidden}
.p-media img{width:100%;height:100%;object-fit:cover}
.p-media .ph{color:var(--dim);font-size:13px;letter-spacing:.2em;text-transform:uppercase}
.p-media .apple{width:54px;height:54px;opacity:.18}
.tag{position:absolute;top:12px;left:12px;background:var(--sale);color:#fff;font-size:11px;font-weight:700;
  letter-spacing:.12em;padding:5px 10px;border-radius:8px}
.p-body{padding:18px 20px 22px}
.p-body h3{font-size:17px;font-weight:600;margin:0 0 4px}
.p-body .cat{font-size:12px;color:var(--dim);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
.price-row{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}
.price{font-size:22px;font-weight:600}
.old{font-size:15px;color:var(--dim);text-decoration:line-through}
.p-body .btn{width:100%}

/* categories */
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;
  transition:transform .4s var(--ease),border-color .4s;min-height:230px;display:flex;flex-direction:column}
.cat-card:hover{transform:translateY(-4px);border-color:#3a3a40}
.cat-card .ic{width:46px;height:46px;border-radius:12px;background:#1e1e22;display:grid;place-items:center;margin-bottom:18px;color:var(--ink)}
.cat-card h3{font-size:22px;font-weight:600;margin:0 0 10px}
.cat-card p{color:var(--muted);font-size:15px;margin:0 0 auto}
.cat-card .go{margin-top:20px;color:var(--muted);font-size:14px;display:inline-flex;gap:6px;align-items:center;transition:gap .3s,color .3s}
.cat-card:hover .go{gap:11px;color:var(--ink)}
.cat-card img{width:100%;height:150px;object-fit:cover;border-radius:12px;margin-bottom:16px}

/* news */
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.news-card .n-media{aspect-ratio:16/10;background:linear-gradient(160deg,#1c1c20,#0f0f12);display:grid;place-items:center}
.news-card .n-media img{width:100%;height:100%;object-fit:cover}
.news-card .n-body{padding:22px}
.news-card h3{font-size:19px;font-weight:600;margin:0 0 8px}
.news-card p{color:var(--muted);font-size:15px;margin:0 0 14px}
.link{color:var(--ink);font-size:14px;display:inline-flex;gap:6px;align-items:center;border-bottom:1px solid transparent;transition:border-color .3s}
.link:hover{border-color:var(--ink)}

/* reviews */
.rev-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.rev-card .stars{color:var(--gold);letter-spacing:3px;margin-bottom:14px}
.rev-card blockquote{margin:0 0 20px;font-size:17px;line-height:1.55}
.rev-card .who{display:flex;flex-direction:column}
.rev-card .who b{font-weight:600}
.rev-card .who span{color:var(--dim);font-size:13px}

/* forms */
.form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px;max-width:620px;margin:0 auto}
.form .row{display:grid;gap:14px}
.form .two{grid-template-columns:1fr 1fr}
input,textarea,select{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:12px;
  color:var(--ink);padding:13px 15px;font-size:15px;font-family:inherit;transition:border-color .25s}
input:focus,textarea:focus,select:focus{outline:none;border-color:#5a5a63}
textarea{resize:vertical;min-height:110px}
label{font-size:13px;color:var(--muted);display:block;margin-bottom:7px}

/* contact/footer */
footer.site{border-top:1px solid var(--line);background:var(--bg2);padding:56px 0 40px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
.foot .brand{margin-bottom:16px}
.foot p,.foot a{color:var(--muted);font-size:15px;margin:6px 0}
.foot a:hover{color:var(--ink)}
.foot h4{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin:0 0 14px}
.foot-social{display:flex;gap:12px;margin-top:14px}
.foot-social a{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--muted);transition:.3s}
.foot-social a:hover{color:var(--ink);border-color:var(--ink);transform:translateY(-2px)}
.copyright{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);color:var(--dim);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* flash */
.flash{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:200;
  background:var(--ink);color:#0a0a0b;padding:13px 22px;border-radius:100px;font-size:14px;font-weight:500;
  box-shadow:0 14px 40px rgba(0,0,0,.5)}
.flash.err{background:var(--sale);color:#fff}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.vis{opacity:1;transform:none}

/* product page */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding-top:40px}
.pd .pd-media{aspect-ratio:1;background:linear-gradient(160deg,#1c1c20,#0f0f12);border-radius:var(--radius);display:grid;place-items:center;overflow:hidden;border:1px solid var(--line)}
.pd .pd-media img{width:100%;height:100%;object-fit:cover}
.pd h1{font-size:clamp(28px,4vw,42px);font-weight:600;margin:6px 0 10px}
.pd .specs{white-space:pre-line;color:var(--muted);line-height:1.9;margin:22px 0;border-top:1px solid var(--line);padding-top:22px}
.breadcrumb{color:var(--dim);font-size:13px;margin-bottom:8px}
.breadcrumb a:hover{color:var(--ink)}

@media (max-width:900px){
  .grid-3{grid-template-columns:1fr 1fr}
  .foot{grid-template-columns:1fr 1fr}
  .pd{grid-template-columns:1fr;gap:26px}
}
@media (max-width:640px){
  .nav .links{display:none}
  .burger{display:flex}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .form .two{grid-template-columns:1fr}
  .hero{min-height:76vh}
  .copyright{flex-direction:column}
}