/* ============================================================
   SILENCO.STUDIO — Variant C design system ("Тепле світло")
   Shared across every page. Dark, warm, glow-responsive.
   ============================================================ */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#16110c; --bg-2:#1e1710; --card:#231a12; --card-2:#2a2017;
  --ink:#f1e7d7; --ink-2:#a99578; --ink-3:#7d6c55;
  --line:rgba(243,233,216,.12); --line-2:rgba(243,233,216,.2);
  --gold:#d3a766; --gold-deep:#b88947; --amber:#ffc079;
  --ok:#7fae6b; --danger:#d98a6a;
  --maxw:1320px; --r:14px; --r-lg:22px;
  --ease:cubic-bezier(.16,.7,.3,1);
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:'Manrope',system-ui,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative;min-height:100vh}
h1,h2,h3,h4{font-family:'Playfair Display',Georgia,serif;font-weight:500;line-height:1.05;letter-spacing:-.01em}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,68px)}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--gold)}
.muted{color:var(--ink-2)}
.serif{font-family:'Playfair Display',Georgia,serif}
.em{font-style:italic;color:var(--amber)}

/* ambient warm field (always lit) */
.amber-field{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(60% 50% at 78% 4%,rgba(255,170,80,.18),transparent 60%),radial-gradient(46% 38% at 8% 92%,rgba(255,150,70,.10),transparent 60%)}
body>*:not(.amber-field){position:relative;z-index:1}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:'Manrope';font-weight:600;font-size:15px;border:none;border-radius:999px;cursor:pointer;padding:14px 26px;transition:transform .2s,background .25s,color .25s,border-color .25s;letter-spacing:.01em;text-align:center}
.btn--gold{background:var(--gold);color:#241a10}
.btn--gold:hover{background:var(--amber);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line-2)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn--full{width:100%}
.btn--sm{padding:10px 18px;font-size:14px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.tlink{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--gold);transition:gap .3s}
.tlink:hover{gap:13px}

/* reveal (transition-based; reaches end state even if clock throttles) */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------------- header ---------------- */
header.site{position:sticky;top:0;z-index:90;background:rgba(22,17,12,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:22px}
.brand{font-family:'Playfair Display',serif;font-weight:600;font-size:22px;letter-spacing:.04em;white-space:nowrap}
.brand span{color:var(--gold)}
.nav__links{display:flex;gap:28px;list-style:none}
.nav__links a{font-size:14.5px;font-weight:500;opacity:.82;transition:opacity .25s,color .25s;position:relative;padding:4px 0}
.nav__links a:hover,.nav__links a.is-active{opacity:1;color:var(--gold)}
.nav__links a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;}
.nav__act{display:flex;align-items:center;gap:16px}
.nav__act .ibtn{background:none;border:none;cursor:pointer;color:var(--ink);font-family:'Manrope';font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:7px;padding:6px}
.nav__act .ibtn:hover{color:var(--gold)}
.nav__act .ibtn__ico{display:none}
.cartcount{background:var(--gold);color:#241a10;border-radius:999px;min-width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:700;padding:0 5px}
.cartcount.empty{background:var(--card-2);color:var(--ink-2)}
.burger{display:none;background:none;border:none;color:var(--ink);font-size:22px;cursor:pointer}
.mobile-menu{display:none}

@media (max-width:860px){
  /* Anchored to the header (its backdrop-filter is the containing block) and
     toggled with display — reliable, unlike fixed+transform which the
     backdrop-filter breaks. */
  .nav__links{position:absolute;top:100%;left:0;right:0;display:none;background:var(--bg-2);flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--line);box-shadow:0 26px 44px -26px rgba(0,0,0,.85);z-index:80}
  .nav__links.open{display:flex}
  /* display:block so the 15px vertical padding adds to height — inline anchors
     let neighbouring tap targets overlap, so the wrong item gets clicked. */
  .nav__links{align-items:stretch}
  .nav__links li{display:block}
  .nav__links a{display:block;padding:15px clamp(20px,5vw,68px);font-size:16px;opacity:1;border-bottom:1px solid var(--line)}
  .nav__links a:last-child{border-bottom:none}
  .burger{display:block;line-height:1}
  /* Protect the cart + burger: the brand shrinks/ellipsizes first, the
     actions never shrink, so the menu is always reachable. */
  .nav{gap:10px}
  .brand{flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis}
  .nav__act{flex:0 0 auto}
}
@media (max-width:400px){
  header.site .wrap{padding-left:14px;padding-right:14px}
  .nav{gap:8px}
  .brand{font-size:17px;letter-spacing:.01em}
  .nav__act{gap:10px}
  .nav__act .ibtn{gap:5px;padding:6px 2px}
  .burger{font-size:20px}
}

/* ---------------- product scene (warm, lit) ---------------- */
.scene{position:relative;border-radius:var(--r-lg);overflow:hidden;background:#0d0a07}
.scene img{width:100%;height:100%;object-fit:cover;transition:transform 10s ease}
.scene .bloom{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(50% 42% at 44% 42%,rgba(255,200,128,.5),rgba(255,165,85,.15) 44%,transparent 72%);mix-blend-mode:screen}

/* ---------------- section heads ---------------- */
.sec{padding:clamp(56px,8vw,108px) 0}
.sec--tight{padding:clamp(40px,5vw,64px) 0}
.sec__head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.sec__head h2{font-size:clamp(30px,4.4vw,54px)}
.sec__head p{color:var(--ink-2);margin-top:10px}
.page-head{padding:clamp(34px,5vw,64px) 0 clamp(20px,3vw,34px)}
.crumbs{font-size:13px;color:var(--ink-2);letter-spacing:.04em;margin-bottom:18px;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a:hover{color:var(--gold)}
.page-head h1{font-size:clamp(38px,6vw,76px);letter-spacing:-.02em}
.page-head h1 em{font-style:italic;color:var(--amber)}
.page-head .lead{color:var(--ink-2);max-width:52ch;margin-top:18px;font-size:18px}

/* ---------------- product card ---------------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.2vw,28px)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:transform .4s,box-shadow .4s,border-color .4s}
.card:hover{transform:translateY(-5px);border-color:rgba(211,167,102,.4);box-shadow:0 30px 60px -34px rgba(0,0,0,.7),0 0 40px -10px rgba(255,170,80,.18)}
.card__media{position:relative;aspect-ratio:1/1.16;overflow:hidden;background:#0f0b08;display:block}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.card:hover .card__media img{transform:scale(1.07)}
.card__media::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(60% 50% at 50% 42%,rgba(255,185,100,.16),transparent 68%);mix-blend-mode:screen}
.card__tags{position:absolute;left:12px;top:12px;display:flex;flex-direction:column;align-items:flex-start;gap:6px;z-index:1}
.card__tag{background:rgba(22,17,12,.75);color:var(--gold);border-radius:999px;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:5px 11px;backdrop-filter:blur(4px)}
.card__tag--batt{background:rgba(211,167,102,.92);color:#1a1209;letter-spacing:.06em}
.card__body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:5px;flex:1}
.card__cat{font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-2);font-weight:600}
.card__name{font-size:23px;font-weight:600}
.card__price{font-size:16px;font-weight:600;color:var(--gold);margin-bottom:6px}
.card__colors{display:flex;flex-direction:column;gap:9px;margin:4px 0 16px}
.cc{display:flex;align-items:center;gap:11px}
.cc__t{font-size:11px;color:var(--ink-2);width:54px;letter-spacing:.03em}
.cc__val{font-size:12.5px;font-weight:600;margin-left:auto;color:var(--ink)}
.card .btn{margin-top:auto}
.card .btn.added{background:var(--amber)}
.card__view{display:none}
/* mobile (matches the burger-nav breakpoint): hide colour pickers + swap
   "add to cart" for a "view" link to the product page (task) */
@media (max-width:860px){
  .card__colors{display:none}
  .card__add{display:none}
  .card__view{display:inline-flex}
}

/* swatches */
.sw-row{display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.sw-more{display:inline-flex;align-items:center;justify-content:center;min-width:21px;height:21px;padding:0 7px;border-radius:999px;font-size:11px;font-weight:600;color:var(--ink-2);background:rgba(243,233,216,.06);box-shadow:inset 0 0 0 1px var(--line-2)}
.sw{width:21px;height:21px;border-radius:50%;border:none;cursor:pointer;background:var(--sw);box-shadow:inset 0 0 0 1px rgba(0,0,0,.3);transition:transform .2s,box-shadow .2s;flex-shrink:0}
.sw:hover{transform:scale(1.14)}
.sw.is-on{box-shadow:inset 0 0 0 1px rgba(0,0,0,.3),0 0 0 2px var(--card),0 0 0 3.5px var(--gold)}
.sw--lg{width:30px;height:30px}
.sw--lg.is-on{box-shadow:inset 0 0 0 1px rgba(0,0,0,.3),0 0 0 2px var(--bg),0 0 0 4px var(--gold)}

/* forms */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.field label{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ink-2)}
.field input,.field textarea,.field select{font-family:'Manrope';font-size:15.5px;color:var(--ink);background:rgba(243,233,216,.05);border:1px solid var(--line-2);border-radius:11px;padding:13px 16px;transition:border-color .25s}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--gold)}
.field--row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.radio-cards{display:flex;flex-direction:column;gap:10px}
.radio-card{display:flex;align-items:center;gap:13px;padding:15px 16px;border:1px solid var(--line-2);border-radius:12px;cursor:pointer;transition:border-color .25s,background .25s}
.radio-card:hover{border-color:rgba(211,167,102,.45)}
.radio-card.is-on{border-color:var(--gold);background:rgba(211,167,102,.08)}
.radio-card input{accent-color:var(--gold);width:18px;height:18px}
.radio-card .rc-body{flex:1}
.radio-card .rc-body b{font-weight:700;font-size:15px}
.radio-card .rc-body small{display:block;color:var(--ink-2);font-size:13px}
.radio-card .rc-price{font-weight:600;color:var(--gold);font-size:14.5px}

/* badges / chips */
.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line-2);border-radius:999px;padding:9px 17px;font-size:14px;font-weight:600;cursor:pointer;background:transparent;color:var(--ink);transition:border-color .25s,background .25s,color .25s;font-family:'Manrope'}
.chip:hover{border-color:rgba(211,167,102,.5)}
.chip.is-on{background:var(--gold);color:#241a10;border-color:var(--gold)}

/* qty stepper */
.qty{display:inline-flex;align-items:center;border:1px solid var(--line-2);border-radius:999px;overflow:hidden}
.qty button{background:none;border:none;color:var(--ink);width:36px;height:36px;font-size:18px;cursor:pointer;transition:background .2s}
.qty button:hover{background:rgba(243,233,216,.07)}
.qty span{min-width:30px;text-align:center;font-weight:600;font-size:15px}

/* ---------------- footer ---------------- */
footer.site{background:#100c08;border-top:1px solid var(--line);padding:clamp(48px,6vw,84px) 0 30px;margin-top:auto}
.foot__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:42px;border-bottom:1px solid var(--line)}
.foot__brand .brand{font-size:25px}
.foot__brand p{color:var(--ink-2);font-size:14.5px;margin-top:14px;max-width:32ch}
.foot__soc{display:flex;gap:12px;margin-top:20px}
.foot__soc a{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;transition:.3s}
.foot__soc a:hover{background:var(--gold);color:#241a10;border-color:var(--gold)}
.foot__col h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:16px;font-family:'Manrope';font-weight:700}
.foot__col a{display:block;color:var(--ink-2);font-size:14.5px;padding:6px 0;transition:color .2s}
.foot__col a:hover{color:var(--ink)}
.foot__bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;color:#8a7a63;font-size:13px}

/* toast */
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(140%);z-index:200;background:var(--card-2);border:1px solid var(--line-2);color:var(--ink);padding:13px 22px;border-radius:999px;font-weight:600;font-size:14.5px;box-shadow:0 18px 50px -18px rgba(0,0,0,.7);transition:transform .4s var(--ease);display:flex;align-items:center;gap:10px}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast b{color:var(--gold)}

@media (max-width:980px){
  .grid,.grid--4{grid-template-columns:repeat(2,1fr)}
  .foot__top{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  body{font-size:16px}
  .grid{grid-template-columns:1fr 1fr;gap:13px}
  .card__name{font-size:20px}
  .field--row{grid-template-columns:1fr}
  /* Footer: brand on its own full-width row so its nowrap title can't widen
     the grid tracks; link columns get min-width:0 so they shrink instead of
     blowing out past the viewport (the right column was clipping at ~360px). */
  .foot__top{grid-template-columns:1fr 1fr;gap:26px 18px}
  .foot__top>*{min-width:0}
  .foot__brand{grid-column:1 / -1}
  .foot__brand p{max-width:none}
  .foot__brand .brand{font-size:22px}
  .foot__col a{overflow-wrap:anywhere}
  /* compact cart: icon instead of the "Кошик" label */
  .nav__act .ibtn__label{display:none}
  .nav__act .ibtn__ico{display:inline-flex;align-items:center}
}