/* ============ SilverStone Remake — Minimal / Apple-style system ============
   Monochrome graphite palette. No blue, no gold.
   Typography: system UI (SF Pro / Inter fallback). Generous whitespace.
=========================================================================== */
:root{
  --ink:#1d1d1f;        /* near-black text            */
  --ink-2:#6e6e73;      /* secondary gray             */
  --ink-3:#86868b;      /* tertiary / captions        */
  --bg:#ffffff;
  --bg-soft:#f5f5f7;    /* Apple light gray           */
  --bg-soft-2:#fafafa;
  --line:#d2d2d7;       /* hairline border            */
  --line-2:#e8e8ed;
  --accent:#1d1d1f;     /* monochrome accent          */
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 4px 24px rgba(0,0,0,.06);
  --shadow-lg:0 18px 50px rgba(0,0,0,.10);
  --container:1220px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Inter","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.5;letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4,h5{font-weight:600;line-height:1.06;letter-spacing:-.022em}
.container{max-width:var(--container);margin:0 auto;padding:0 32px}

.eyebrow{
  display:inline-block;font-weight:500;letter-spacing:.02em;
  font-size:.82rem;color:var(--ink-3);margin-bottom:14px;text-transform:none;
}
.eyebrow--dark{color:var(--ink-3)}

/* ---------- Buttons (pill) ---------- */
.btn{
  display:inline-block;font-weight:500;font-size:.95rem;letter-spacing:-.01em;
  padding:11px 24px;border-radius:980px;cursor:pointer;border:1px solid transparent;
  transition:opacity .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn--gold{background:var(--ink);color:#fff}           /* primary (dark)   */
.btn--gold:hover{opacity:.82}
.btn--navy{background:transparent;color:var(--ink);border-color:var(--line)} /* secondary */
.btn--navy:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn--ghost{background:transparent;color:var(--ink);padding:11px 4px;border:0}
.btn--ghost:hover{opacity:.6}

/* ---------- Top bar ---------- */
.topbar{background:var(--bg-soft);color:var(--ink-2);font-size:.78rem;border-bottom:1px solid var(--line-2)}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar__left{display:flex;gap:26px}
.topbar__left a{transition:.2s}
.topbar__left a:hover{color:var(--ink)}
.topbar__left i{margin-right:6px;opacity:.55}
.topbar__right{display:flex;align-items:center;gap:24px}
.topbar__login:hover{color:var(--ink)}
.region{position:relative;display:flex;align-items:center;gap:7px;cursor:pointer}
.region>i:first-child{opacity:.55}
.region__menu{
  position:absolute;top:150%;right:0;background:#fff;color:var(--ink);
  list-style:none;min-width:180px;border-radius:14px;box-shadow:var(--shadow-lg);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);
  transition:.22s;z-index:60;border:1px solid var(--line-2);
}
.region:hover .region__menu{opacity:1;visibility:visible;transform:translateY(0)}
.region__menu a{display:block;padding:9px 14px;border-radius:9px;font-size:.85rem}
.region__menu a:hover{background:var(--bg-soft)}
.langsw{display:flex;align-items:center;gap:5px;font-size:.78rem}
.langsw button{background:transparent;border:0;cursor:pointer;color:var(--ink-3);font:inherit;padding:2px 3px;transition:.15s;letter-spacing:.02em}
.langsw button:hover{color:var(--ink)}
.langsw button.active{color:var(--ink);font-weight:600}
.langsw span{color:var(--line)}

/* ---------- Header (translucent, thin) ---------- */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line-2);
}
.header__inner{display:flex;align-items:center;gap:32px;height:56px}
.brand img{height:30px;width:auto}   /* SVG renders graphite via currentColor */
.brand{opacity:.9;transition:.2s}
.brand:hover{opacity:1}
.nav{margin-left:auto}
.nav__list{display:flex;list-style:none;gap:2px}
.nav__link{
  display:block;padding:18px 14px;color:var(--ink);font-weight:400;font-size:.8rem;
  letter-spacing:-.01em;opacity:.82;transition:opacity .2s;position:relative;
}
.nav__item:hover>.nav__link,.nav__link:hover{opacity:1}
.header__actions{display:flex;align-items:center;gap:2px}
.icon-btn{
  background:transparent;border:0;color:var(--ink);width:38px;height:38px;
  border-radius:50%;cursor:pointer;font-size:.9rem;opacity:.82;transition:.2s;
}
.icon-btn:hover{opacity:1;background:var(--bg-soft)}
.nav-toggle{display:none}

/* ---------- Mega menu (light, blur) ---------- */
.has-mega{position:static}
.mega{
  position:absolute;left:0;right:0;top:100%;
  background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  box-shadow:0 20px 40px rgba(0,0,0,.08);border-top:1px solid var(--line-2);
  display:grid;grid-template-columns:1fr;gap:0;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:.28s ease;z-index:40;
}
.has-mega:hover .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega--simple{grid-template-columns:300px 1fr}
.mega__intro{padding:40px;display:flex;flex-direction:column;justify-content:center}
.mega__intro h4{font-size:1.6rem;margin-bottom:10px}
.mega__intro p{font-size:.9rem;color:var(--ink-2);margin-bottom:20px;line-height:1.45}
.mega__more{color:var(--ink);font-weight:500;font-size:.92rem}
.mega__more:hover{opacity:.6}
.mega__more i{margin-left:6px;font-size:.75rem}
.mega__feat{padding:34px 40px;display:flex;flex-wrap:wrap;gap:14px;align-content:flex-start}
.mega--simple .mega__feat{border-left:1px solid var(--line-2)}
.mega__prod{width:calc(33.333% - 10px);text-align:center;background:var(--bg-soft);border-radius:var(--radius-sm);padding:16px;transition:.25s}
.mega__prod:hover{background:#eeeef0;transform:translateY(-2px)}
.mega__prod img{border-radius:8px;margin-bottom:10px}
.mega__prod span{font-weight:500;font-size:.88rem}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#000}
.hero__track{display:flex;transition:transform .7s cubic-bezier(.4,.0,.2,1)}
.slide{
  min-width:100%;height:min(66vh,600px);background-size:cover;background-position:center;
  position:relative;display:flex;align-items:center;
}
.slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.2) 55%,rgba(0,0,0,0) 100%)}
.slide__caption{position:relative;color:#fff;max-width:600px}
.slide__caption .eyebrow{color:rgba(255,255,255,.72)}
.slide__caption h1{font-size:clamp(2.4rem,5vw,4rem);font-weight:600;margin-bottom:14px}
.slide__caption p{font-size:1.12rem;font-weight:400;color:rgba(255,255,255,.85);margin-bottom:28px;max-width:480px;line-height:1.4}
.slide__caption .btn--gold{background:#fff;color:var(--ink)}
.slide__caption .btn--gold:hover{opacity:.85}
.hero__nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:44px;height:44px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.18);color:#fff;font-size:.95rem;
  backdrop-filter:blur(6px);transition:.2s;
}
.hero__nav:hover{background:rgba(255,255,255,.32)}
.hero__nav--prev{left:26px}
.hero__nav--next{right:26px}
.hero__dots{position:absolute;bottom:26px;left:0;right:0;display:flex;justify-content:center;gap:8px;z-index:5}
.hero__dots button{width:8px;height:8px;border:0;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:.25s;padding:0}
.hero__dots button.active{background:#fff;width:22px;border-radius:5px}

/* ---------- Category strip ---------- */
.cats{background:var(--bg)}
.cats__grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;padding:56px 0}
.cat{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:30px 12px;text-align:center;border-radius:var(--radius);transition:.25s;
}
.cat i{font-size:1.55rem;color:var(--ink);opacity:.85;transition:.25s}
.cat span{font-weight:500;font-size:.9rem;color:var(--ink)}
.cat:hover{background:var(--bg-soft)}
.cat:hover i{transform:translateY(-3px);opacity:1}

/* ---------- Sections ---------- */
.section{padding:100px 0}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:44px}
.section__head h2{font-size:2.6rem;font-weight:600}
.section__more{color:var(--ink);font-weight:500;font-size:.95rem;opacity:.85}
.section__more:hover{opacity:.55}
.section__more i{margin-left:6px;font-size:.8rem;transition:.2s}
.section__more:hover i{transform:translateX(4px)}

/* ---------- Product grid / cards ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pcard{
  position:relative;background:var(--bg-soft);border-radius:var(--radius);
  overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.pcard__tag{
  position:absolute;top:14px;left:14px;z-index:2;background:var(--ink);color:#fff;
  font-weight:500;font-size:.68rem;letter-spacing:.02em;text-transform:uppercase;
  padding:4px 11px;border-radius:980px;
}
.pcard__tag--gold{background:var(--ink)}
.pcard__img{background:#fff;padding:26px;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.pcard__img img{transition:transform .4s ease}
.pcard:hover .pcard__img img{transform:scale(1.05)}
.pcard__body{padding:20px 22px 26px;background:var(--bg-soft)}
.pcard__cat{font-size:.72rem;letter-spacing:.01em;color:var(--ink-3);font-weight:500}
.pcard__body h3{font-size:1.35rem;font-weight:600;margin:6px 0 8px}
.pcard__body p{font-size:.88rem;color:var(--ink-2);line-height:1.45}

/* ---------- Lineup showcases (VISTA / SLATE) ---------- */
.lineup--soft{background:var(--bg-soft)}
.lineup__head{text-align:center;max-width:720px;margin:0 auto 56px}
.lineup__head h2{font-size:2.9rem;font-weight:600;letter-spacing:-.03em;margin-bottom:18px}
.lineup__head p{color:var(--ink-2);font-size:1.08rem;line-height:1.5;margin-bottom:26px}
.prod-grid--3{grid-template-columns:repeat(3,1fr);max-width:1000px;margin:0 auto}
.lineup__hero{margin:0 0 48px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.lineup__hero img{width:100%;height:clamp(240px,34vw,420px);object-fit:cover;display:block}

/* ---------- Promo banner ---------- */
.promo{background-size:cover;background-position:center;position:relative}
.promo::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.6),rgba(0,0,0,.1))}
.promo__inner{position:relative;padding:120px 0}
.promo__box{max-width:520px;color:#fff}
.promo__box .eyebrow{color:rgba(255,255,255,.7)}
.promo__box h2{font-size:3.2rem;font-weight:600;margin-bottom:16px}
.promo__box p{color:rgba(255,255,255,.85);margin-bottom:28px;line-height:1.5}
.promo__box .btn--gold{background:#fff;color:var(--ink)}

/* ---------- About / stats ---------- */
.about{background:var(--bg-soft)}
.about__grid{display:grid;grid-template-columns:1.15fr 1fr;gap:70px;align-items:center}
.about__text h2{font-size:2.8rem;font-weight:600;margin-bottom:20px;letter-spacing:-.025em}
.about__text p{color:var(--ink-2);margin-bottom:16px;font-size:1.02rem;line-height:1.55}
.about__text .btn{margin-top:12px}
.about__stats{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.stat{background:#fff;border-radius:var(--radius);padding:34px 28px;text-align:center;transition:.25s}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat strong{display:block;font-size:2.9rem;font-weight:600;color:var(--ink);line-height:1;letter-spacing:-.03em}
.stat span{font-size:.85rem;color:var(--ink-3);margin-top:6px;display:block}

/* ---------- Footer ---------- */
.footer{background:var(--bg-soft);color:var(--ink-2);border-top:1px solid var(--line-2)}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 32px 44px}
.footer__brand img{height:22px;margin-bottom:18px;filter:brightness(0);opacity:.85}
.footer__brand p{font-size:.88rem;color:var(--ink-3);max-width:260px;margin-bottom:20px}
.social{display:flex;gap:10px}
.social a{width:36px;height:36px;border-radius:50%;background:#fff;border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;color:var(--ink);transition:.2s}
.social a:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.footer__col h5{font-size:.82rem;font-weight:600;color:var(--ink);margin-bottom:16px}
.footer__col a{display:block;font-size:.86rem;color:var(--ink-2);padding:6px 0;transition:.15s}
.footer__col a:hover{color:var(--ink)}
.footer__bar{border-top:1px solid var(--line-2)}
.footer__bar-inner{display:flex;justify-content:space-between;padding:22px 32px;font-size:.78rem;color:var(--ink-3)}

/* ---------- Simple mega intro (light) ---------- */
.mega__intro{background:var(--bg-soft)}

/* ---------- Page head ---------- */
.pagehead{background:var(--bg-soft);color:var(--ink);padding:56px 0 48px;border-bottom:1px solid var(--line-2)}
.pagehead--slim{padding:26px 0}
.pagehead h1{font-size:3rem;font-weight:600;margin-top:10px;letter-spacing:-.03em}
.pagehead p{color:var(--ink-2);margin-top:10px;max-width:640px;font-size:1.05rem;line-height:1.45}
.crumbs{font-size:.82rem;color:var(--ink-3);display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.crumbs a{color:var(--ink-2);transition:.15s}
.crumbs a:hover{color:var(--ink)}
.crumbs i{font-size:.62rem;opacity:.5}
.crumbs span{color:var(--ink)}

/* ---------- Catalog (listing) ---------- */
.catalog{padding-top:52px}
.catalog__grid{display:grid;grid-template-columns:230px 1fr;gap:48px;align-items:start}
.catalog__side h4{font-size:.78rem;font-weight:600;letter-spacing:.01em;color:var(--ink-3);margin-bottom:14px}
.catalog__cats{list-style:none}
.catalog__cats a{display:flex;align-items:center;gap:11px;padding:10px 14px;border-radius:980px;color:var(--ink-2);font-size:.9rem;font-weight:400;transition:.15s}
.catalog__cats a i{width:16px;text-align:center;opacity:.55;font-size:.85rem}
.catalog__cats a .count{margin-left:auto;font-size:.74rem;color:var(--ink-3)}
.catalog__cats a:hover{background:var(--bg-soft);color:var(--ink)}
.catalog__cats a.active{background:var(--ink);color:#fff}
.catalog__cats a.active i,.catalog__cats a.active .count{color:#fff;opacity:.9}
.catalog__bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;color:var(--ink-3);font-size:.88rem}
.catalog__main .prod-grid{grid-template-columns:repeat(3,1fr)}
.catalog__empty{padding:60px 0;text-align:center;color:var(--ink-2)}

/* ---------- Product view (detail) ---------- */
.prodview{padding-top:44px}
.prodview__grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.prodview__media{position:relative;background:var(--bg-soft);border-radius:var(--radius);padding:56px;display:flex;align-items:center;justify-content:center}
.prodview__media img{max-height:460px;width:auto}
.prodview__tag{position:absolute;top:20px;left:20px;background:var(--ink);color:#fff;font-weight:500;letter-spacing:.02em;text-transform:uppercase;font-size:.72rem;padding:5px 14px;border-radius:980px}
.prodview__info h1{font-size:3rem;font-weight:600;margin:8px 0 16px;letter-spacing:-.03em}
.prodview__lead{font-size:1.15rem;color:var(--ink-2);margin-bottom:28px;line-height:1.5}
.prodview__cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.spectable{width:100%;border-collapse:collapse}
.spectable th,.spectable td{text-align:left;padding:15px 4px;font-size:.92rem;border-bottom:1px solid var(--line-2)}
.spectable tr:first-child th,.spectable tr:first-child td{border-top:1px solid var(--line-2)}
.spectable th{width:42%;color:var(--ink-3);font-weight:400}
.spectable td{color:var(--ink);font-weight:500}
.prodview__back{display:inline-block;margin-top:28px;color:var(--ink-2);font-weight:500;font-size:.92rem}
.prodview__back:hover{color:var(--ink)}
.prodview__back i{margin-right:7px;transition:.2s;font-size:.8rem}
.prodview__back:hover i{transform:translateX(-4px)}
.notfound{text-align:center;padding:90px 0}
.notfound h1{font-size:2.6rem;font-weight:600;margin-bottom:14px}
.notfound p{color:var(--ink-2);margin-bottom:26px}

/* ---------- Responsive ---------- */
@media(max-width:1080px){
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .cats__grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:980px){
  .catalog__grid{grid-template-columns:1fr}
  .catalog__cats{display:flex;flex-wrap:wrap;gap:8px}
  .catalog__cats li{flex:0 0 auto}
  .catalog__cats a{border:1px solid var(--line-2)}
  .catalog__cats a .count{display:none}
  .prodview__grid{grid-template-columns:1fr;gap:36px}
  .prodview__media img{max-height:360px}
}
@media(max-width:900px){
  .nav{position:fixed;inset:56px 0 auto 0;background:rgba(255,255,255,.96);backdrop-filter:blur(20px);margin:0;
       max-height:0;overflow:hidden;transition:max-height .35s ease;box-shadow:var(--shadow-lg);border-bottom:1px solid var(--line-2)}
  .nav.open{max-height:82vh;overflow:auto}
  .nav__list{flex-direction:column;gap:0;padding:8px 0}
  .nav__link{padding:15px 32px;opacity:1;font-size:.95rem;border-bottom:1px solid var(--line-2)}
  .mega{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .about__grid{grid-template-columns:1fr;gap:40px}
  .topbar__left{display:none}
}
@media(max-width:760px){
  .prod-grid,.catalog__main .prod-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:64px 0}
  .section__head h2{font-size:2rem}
  .lineup__head h2{font-size:2rem}
  .lineup__head p{font-size:1rem}
  .pagehead h1{font-size:2.1rem}
  .prodview__info h1{font-size:2.2rem}
  .prodview__cta .btn{flex:1 1 auto;text-align:center}
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__bar-inner{flex-direction:column;gap:8px;text-align:center}
  .hero__nav{display:none}
  .promo__box h2{font-size:2.4rem}
}
@media(max-width:480px){
  .prod-grid,.catalog__main .prod-grid{grid-template-columns:1fr}
  .cats__grid{grid-template-columns:repeat(2,1fr)}
  .about__stats{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .container{padding:0 22px}
}