:root{
  --bg:#f5f5f2; --surface:#fff; --ink:#16181d; --ink2:#4a4f58; --muted:#7a808a; --line:#e3e3de;
  --acc:#ffd60a; --acc-ink:#111; --dark:#16181d; --ok:#1f8a4c; --warn:#b26a00; --bad:#c0392b;
  --r:14px; --shadow:0 1px 2px rgba(0,0,0,.06),0 4px 14px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.muted{color:var(--muted)} .small{font-size:.85rem}

/* header */
.top{background:var(--dark);color:#fff;position:sticky;top:0;z-index:20}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:58px;gap:12px}
.logo{font-weight:800;text-decoration:none;font-size:1.15rem;letter-spacing:-.01em;white-space:nowrap}
.logo span{color:var(--acc)}
.cart-btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;background:var(--acc);color:var(--acc-ink);font-weight:700;padding:8px 14px;border-radius:999px}
.cart-btn svg{width:20px;height:20px}
.cart-count{background:var(--dark);color:#fff;border-radius:999px;font-size:.78rem;min-width:22px;height:22px;display:inline-grid;place-items:center;padding:0 6px}

/* hero */
.hero{background:var(--dark);color:#fff;padding:22px 0 26px}
.hero h1{margin:0 0 6px;font-size:clamp(1.5rem,4.5vw,2.2rem);line-height:1.15;letter-spacing:-.02em}
.hero p{margin:0;color:#c9ccd2;max-width:640px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px;padding:0;list-style:none;counter-reset:s}
.steps li{background:#22252c;border-radius:12px;padding:12px;font-size:.9rem;color:#e6e8eb;counter-increment:s}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--acc);color:#111;font-weight:800;margin-right:8px;font-size:.85rem}
@media (max-width:720px){.steps{grid-template-columns:1fr 1fr}}

.chips{display:flex;gap:8px;overflow-x:auto;padding:14px 0 4px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chips a{flex:0 0 auto;text-decoration:none;background:var(--surface);border:1px solid var(--line);padding:7px 13px;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--ink2)}
.chips a.hl{background:var(--acc);border-color:var(--acc);color:#111}

section.cat{padding:18px 0 6px;scroll-margin-top:64px}
section.cat h2{font-size:1.3rem;margin:0 0 4px;letter-spacing:-.01em}
section.cat > .wrap > p{margin:0 0 12px;color:var(--muted);font-size:.92rem}

/* cards */
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (min-width:640px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (min-width:960px){.grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.grid.sets{grid-template-columns:1fr}
@media (min-width:640px){.grid.sets{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:960px){.grid.sets{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;min-width:0}
.card-img{display:block;aspect-ratio:1/1;background:#ddd;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-body{padding:10px 12px 12px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-title{font-weight:650;text-decoration:none;line-height:1.3;font-size:.95rem}
.card-title:hover{text-decoration:underline}
.card-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:.78rem}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.price{font-weight:800;font-size:1.1rem;white-space:nowrap}
.price small{font-weight:600;font-size:.75rem;color:var(--muted)}
.save{font-size:.8rem;color:var(--ok);font-weight:700}
.cond{background:#eef0f2;border-radius:6px;padding:1px 7px;color:var(--ink2)}
.cond.new{background:#e5f5ec;color:var(--ok)}
.stock{font-weight:600}
.stock-ok{color:var(--ok)} .stock-reserved{color:var(--warn)} .stock-sold{color:var(--bad)}
.tag{display:inline-block;background:var(--acc);color:#111;font-weight:800;font-size:.72rem;padding:2px 8px;border-radius:6px;letter-spacing:.02em}

/* buttons */
.btn,button.btn-add{appearance:none;border:0;background:var(--dark);color:#fff;font-weight:700;border-radius:10px;padding:9px 14px;cursor:pointer;font-size:.92rem;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-family:inherit}
button.btn-add{padding:8px 12px;font-size:.85rem}
.btn:hover,button.btn-add:hover{background:#2b2f37}
.btn-acc{background:var(--acc);color:#111}.btn-acc:hover{background:#f2c900}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn-ghost:hover{background:#eee}
.btn-lg{padding:13px 20px;font-size:1rem;border-radius:12px}
.btn-sm{padding:5px 10px;font-size:.82rem;border-radius:8px}
button:disabled{background:#c9ccd1!important;color:#555!important;cursor:not-allowed}

/* product page */
.crumbs{font-size:.85rem;color:var(--muted);padding:14px 0 6px}
.crumbs a{color:var(--muted)}
.prod{display:grid;gap:20px;padding-bottom:24px}
@media (min-width:860px){.prod{grid-template-columns:1.1fr 1fr;align-items:start}}
.gallery .main{background:#ddd;border-radius:var(--r);overflow:hidden;aspect-ratio:1/1}
.gallery .main img{width:100%;height:100%;object-fit:contain;background:#1b1d22}
.thumbs{display:flex;gap:8px;margin-top:8px;overflow-x:auto}
.thumbs button{flex:0 0 64px;height:64px;padding:0;border:2px solid transparent;border-radius:10px;overflow:hidden;cursor:pointer;background:#ddd}
.thumbs button[aria-current="true"]{border-color:var(--acc)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.info h1{font-size:clamp(1.35rem,3.6vw,1.9rem);line-height:1.2;margin:0 0 8px;letter-spacing:-.015em}
.info .lead{color:var(--ink2);margin:0 0 14px}
.buy{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:16px;display:grid;gap:12px;margin-bottom:16px}
.buy .price{font-size:1.8rem}
.buy-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.qty button{border:0;background:#f1f1ee;width:38px;height:40px;font-size:1.2rem;cursor:pointer;color:var(--ink)}
.qty input{width:48px;height:40px;border:0;text-align:center;font-size:1rem;font-family:inherit}
.kv{width:100%;border-collapse:collapse;font-size:.93rem;background:var(--surface);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.kv th,.kv td{padding:9px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.kv tr:last-child th,.kv tr:last-child td{border-bottom:0}
.kv th{width:38%;color:var(--muted);font-weight:600}
.desc p{margin:0 0 10px}
h2.sub{font-size:1.1rem;margin:22px 0 10px}
.parts{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.parts li{display:flex;gap:10px;align-items:center;background:var(--surface);border-radius:12px;padding:8px;box-shadow:var(--shadow)}
.parts img{width:52px;height:52px;border-radius:8px;object-fit:cover;flex:0 0 52px}
.parts .pn{flex:1;min-width:0;font-size:.92rem}
.parts .pn a{font-weight:600;text-decoration:none}
.parts .pp{font-weight:700;white-space:nowrap;font-size:.92rem}
.note{border-radius:12px;padding:12px 14px;margin:0 0 12px;font-size:.93rem;line-height:1.45}
.note-good{background:#e8f6ee;color:#145c34}
.note-warn{background:#fff3dc;color:#7a4a00}
.note-info{background:#eef1f5;color:var(--ink2)}
.note .btn{margin-left:6px;margin-top:6px}

/* cart / order */
.page-title{font-size:1.5rem;margin:18px 0 12px;letter-spacing:-.015em}
.lines{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.line{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border-radius:var(--r);padding:10px;box-shadow:var(--shadow);position:relative}
.line img{width:72px;height:72px;border-radius:10px;object-fit:cover}
.line-main{flex:1;min-width:0;display:grid;gap:4px;padding-right:22px}
.line-name{font-weight:650;text-decoration:none;line-height:1.3}
.line-row{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.line-price{font-weight:800;white-space:nowrap}
.line .qty button{width:32px;height:34px}.line .qty input{width:40px;height:34px}
.x{position:absolute;top:6px;right:8px;border:0;background:none;font-size:1.4rem;line-height:1;color:var(--muted);cursor:pointer;padding:4px}
.total{display:flex;justify-content:space-between;align-items:center;font-size:1.15rem;padding:14px 4px}
.total b{font-size:1.5rem}
.share{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:16px;display:grid;gap:10px;margin:6px 0 18px}
.share h2{margin:0;font-size:1.1rem}
.share input{width:100%;font:inherit;font-size:.85rem;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fafaf8;color:var(--ink2)}
.share .row{display:flex;gap:8px;flex-wrap:wrap}
.empty{text-align:center;padding:40px 0}
.delivery{display:grid;gap:10px;grid-template-columns:1fr;margin:8px 0 20px}
@media (min-width:640px){.delivery{grid-template-columns:1fr 1fr}}
.delivery div{background:var(--surface);border-radius:var(--r);padding:14px;box-shadow:var(--shadow);font-size:.93rem}
.delivery b{display:block;margin-bottom:2px}

footer{background:var(--dark);color:#aeb3bb;margin-top:30px;padding:22px 0;font-size:.88rem}
footer a{color:#fff}
#toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%) translateY(140%);background:var(--dark);color:#fff;padding:12px 16px;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.25);transition:transform .25s;z-index:50;max-width:calc(100% - 32px);font-size:.93rem}
#toast.show{transform:translateX(-50%) translateY(0)}
#toast a{color:var(--acc);font-weight:700;margin-left:6px;white-space:nowrap}