/* ==========================================================================
   KANDOTECH — stylesheet v2
   Palette: ink-navy canvas, violet→pink gradient primary, cyan + amber accents.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --canvas:        #0a0c17;
  --canvas-alt:    #0e1120;
  --panel:         #151a30;
  --surface:       #1b2140;
  --surface-alt:   #212850;
  --border:        #2c3460;
  --border-soft:   #232a4d;
  --text:          #f3f4fb;
  --text-dim:      #a6acd0;
  --text-faint:    #6c73a0;

  --violet:        #8b5cf6;
  --violet-2:      #6d3ff2;
  --pink:          #ff4ecd;
  --cyan:          #2fe0d0;
  --amber:         #ffb020;
  --amber-2:       #ff8a3d;
  --danger:        #ff5c72;

  --grad-primary:  linear-gradient(120deg, var(--violet), var(--pink));
  --grad-cool:     linear-gradient(120deg, var(--cyan), var(--violet));
  --grad-warm:     linear-gradient(120deg, var(--amber), var(--pink));

  --radius:        12px;
  --radius-lg:     20px;
  --maxw:          1280px;
  --font-display:  'Space Grotesk', system-ui, sans-serif;
  --font-body:     'Inter', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', ui-monospace, monospace;
}

*, *::before, *::after{ box-sizing:border-box; }
[hidden]{ display:none !important; }
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

body{
  margin:0;
  background:var(--canvas);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; }
a{ color:inherit; }
button{ font-family:inherit; }

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-0.015em;
}

.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.mono{ font-family:var(--font-mono); }

.gradient-text{
  background:var(--grad-primary);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

:focus-visible{ outline:2px solid var(--cyan); outline-offset:3px; border-radius:4px; }

/* ---------- reveal-on-scroll ---------- */
[data-reveal]{ opacity:0; transform:translateY(22px); transition:opacity .6s ease, transform .6s ease; }
[data-reveal].in-view{ opacity:1; transform:translateY(0); }
[data-reveal="scale"]{ transform:scale(.93) translateY(14px); }
[data-reveal="scale"].in-view{ transform:scale(1) translateY(0); }

/* ---------- pin strip ---------- */
.pin-strip{ display:flex; gap:6px; align-items:center; }
.pin-strip span{
  width:10px; height:16px; border-radius:2px;
  background:var(--grad-warm); box-shadow:0 0 10px rgba(255,138,61,.5);
}
.pin-strip.small span{ width:5px; height:9px; border-radius:1px; }
.pin-strip.cool span{ background:var(--grad-cool); box-shadow:0 0 10px rgba(47,224,208,.45); }

/* ---------- top bar ---------- */
.topbar{
  position:sticky; top:0; z-index:60;
  background:rgba(10,12,23,0.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.topbar-inner{ display:flex; align-items:center; justify-content:space-between; padding:16px 24px; max-width:var(--maxw); margin:0 auto; gap:18px; }
.brand{ display:flex; align-items:center; gap:12px; text-decoration:none; flex-shrink:0; }
.brand-mark{ width:34px; height:34px; border-radius:9px; background:var(--grad-primary); display:flex; align-items:center; justify-content:center; box-shadow:0 4px 18px -4px rgba(139,92,246,.6); }
.brand-mark svg{ width:18px; height:18px; }
.brand-name{ font-family:var(--font-display); font-weight:700; font-size:1.18rem; letter-spacing:-0.01em; white-space:nowrap; }
.brand-name em{ font-style:normal; color:var(--pink); }

.nav{ display:flex; gap:26px; align-items:center; }
.nav a{ text-decoration:none; color:var(--text-dim); font-size:.94rem; font-weight:500; transition:color .15s; position:relative; }
.nav a:hover{ color:var(--text); }
.nav a::after{ content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px; background:var(--grad-primary); transform:scaleX(0); transition:transform .2s; transform-origin:left; }
.nav a:hover::after{ transform:scaleX(1); }
.nav a.active{ color:var(--text); }
.nav a.active::after{ transform:scaleX(1); }

.searchbox{
  display:flex; align-items:center; gap:8px; background:var(--surface); border:1px solid var(--border);
  border-radius:999px; padding:8px 14px; flex:1; max-width:280px; transition:border-color .15s;
}
.searchbox:focus-within{ border-color:var(--violet); }
.searchbox input{ background:none; border:none; outline:none; color:var(--text); font-size:.86rem; width:100%; }
.searchbox svg{ color:var(--text-faint); flex-shrink:0; }

.nav-actions{ display:flex; align-items:center; gap:12px; }
.icon-btn{
  background:var(--surface); border:1px solid var(--border); color:var(--text);
  width:40px; height:40px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  cursor:pointer; position:relative; transition:border-color .15s, transform .15s, background .15s;
}
.icon-btn:hover{ border-color:var(--pink); transform:translateY(-2px) scale(1.04); }
.cart-count{
  position:absolute; top:-6px; right:-6px; background:var(--grad-warm); color:#1a1305;
  font-family:var(--font-mono); font-size:.68rem; font-weight:700; min-width:18px; height:18px; border-radius:9px;
  display:flex; align-items:center; justify-content:center; padding:0 4px;
}
.menu-toggle{ display:none; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 24px; border-radius:10px; border:1px solid transparent;
  font-weight:600; font-size:.94rem; cursor:pointer; text-decoration:none;
  transition:transform .15s, box-shadow .2s, border-color .15s, background .15s, opacity .15s;
  position:relative;
}
.btn:active{ transform:translateY(1px) scale(.98); }
.btn-primary{ background:var(--grad-primary); color:#fff; box-shadow:0 8px 24px -8px rgba(139,92,246,.65); }
.btn-primary:hover{ box-shadow:0 10px 30px -6px rgba(255,78,205,.55); transform:translateY(-2px); }
.btn-outline{ background:transparent; border-color:var(--border); color:var(--text); }
.btn-outline:hover{ border-color:var(--cyan); color:var(--cyan); }
.btn-ghost{ background:var(--surface); color:var(--text); border-color:var(--border); }
.btn-ghost:hover{ border-color:var(--violet); }
.btn-block{ width:100%; }
.btn-sm{ padding:9px 16px; font-size:.82rem; }
.btn[disabled]{ opacity:.4; cursor:not-allowed; transform:none !important; box-shadow:none !important; }
.btn.pulse{ animation:btn-pulse .4s ease; }
@keyframes btn-pulse{ 0%{ transform:scale(1); } 40%{ transform:scale(.92); } 100%{ transform:scale(1); } }

/* ---------- hero ---------- */
.hero{ position:relative; overflow:hidden; padding:88px 0 64px; border-bottom:1px solid var(--border-soft); }
.blob{ position:absolute; border-radius:50%; filter:blur(80px); opacity:.35; pointer-events:none; animation:float 14s ease-in-out infinite; }
.blob-1{ width:420px; height:420px; background:var(--violet); top:-140px; right:-60px; }
.blob-2{ width:340px; height:340px; background:var(--pink); bottom:-120px; left:-40px; animation-delay:-5s; }
.blob-3{ width:260px; height:260px; background:var(--cyan); top:30%; right:28%; opacity:.2; animation-delay:-9s; }
@keyframes float{ 0%,100%{ transform:translate(0,0) scale(1); } 50%{ transform:translate(-24px,26px) scale(1.08); } }

.hero-grid{
  position:absolute; inset:0; opacity:.4; pointer-events:none;
  background-image:linear-gradient(var(--border-soft) 1px, transparent 1px), linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(ellipse 900px 500px at 55% 0%, black, transparent 78%);
}
.hero-inner{ position:relative; display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.eyebrow{
  display:inline-flex; align-items:center; gap:10px; font-family:var(--font-mono); font-size:.78rem; color:var(--cyan);
  letter-spacing:.06em; text-transform:uppercase; margin-bottom:20px; background:rgba(47,224,208,.08);
  border:1px solid rgba(47,224,208,.25); padding:6px 14px 6px 10px; border-radius:999px; width:fit-content;
}
.hero h1{ font-size:clamp(2.4rem, 4.2vw, 3.7rem); max-width:17ch; }
.hero p.lead{ color:var(--text-dim); font-size:1.1rem; max-width:46ch; margin:0 0 30px; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:40px; }
.hero-stats{ display:flex; gap:36px; flex-wrap:wrap; }
.hero-stat b{ display:block; font-family:var(--font-display); font-size:1.7rem; font-weight:800; }
.hero-stat span{ font-size:.8rem; color:var(--text-faint); }
.hero-stat:nth-child(1) b{ color:var(--pink); }
.hero-stat:nth-child(2) b{ color:var(--cyan); }
.hero-stat:nth-child(3) b{ color:var(--amber); }

.hero-visual{ position:relative; }
.stack{ position:relative; height:420px; }
.stack-card{
  position:absolute; width:78%; background:var(--panel); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:22px; box-shadow:0 30px 60px -20px rgba(0,0,0,.6);
  transition:transform .35s ease;
}
.stack-card:nth-child(1){ top:0; left:0; transform:rotate(-6deg); z-index:1; }
.stack-card:nth-child(2){ top:38px; right:0; left:auto; transform:rotate(4deg); z-index:2; }
.stack-card:nth-child(3){ top:120px; left:10%; transform:rotate(-2deg); z-index:3; }
.hero-visual:hover .stack-card:nth-child(1){ transform:rotate(-10deg) translateY(-6px); }
.hero-visual:hover .stack-card:nth-child(2){ transform:rotate(7deg) translateY(-10px); }
.hero-visual:hover .stack-card:nth-child(3){ transform:rotate(-1deg) translateY(-14px); }
.stack-card img{ border-radius:10px; }
.stack-card .tag{ margin-top:10px; font-family:var(--font-mono); font-size:.72rem; color:var(--text-faint); text-align:center; }

/* ---------- section shell ---------- */
section{ padding:80px 0; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:38px; flex-wrap:wrap; }
.section-head h2{ font-size:2rem; }
.section-head .kicker{ font-family:var(--font-mono); font-size:.76rem; color:var(--cyan); text-transform:uppercase; letter-spacing:.08em; margin-bottom:8px; display:block; }
.section-head p{ color:var(--text-dim); margin:6px 0 0; max-width:52ch; }
.section-alt{ background:var(--canvas-alt); border-top:1px solid var(--border-soft); border-bottom:1px solid var(--border-soft); }

/* ---------- category tiles ---------- */
.tile-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(160px,1fr)); gap:16px; }
.tile{
  background:var(--panel); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:22px 18px; cursor:pointer; text-align:left; display:flex; flex-direction:column; gap:14px;
  transition:transform .2s, border-color .2s, background .2s; position:relative; overflow:hidden;
}
.tile::before{
  content:""; position:absolute; inset:0; opacity:0; transition:opacity .25s;
  background:var(--grad-primary);
}
.tile:hover{ transform:translateY(-5px); border-color:transparent; }
.tile:hover::before{ opacity:.12; }
.tile .pico-wrap{ width:44px; height:44px; border-radius:12px; background:var(--surface); display:flex; align-items:center; justify-content:center; position:relative; z-index:1; }
.tile .pico{ width:24px; height:24px; }
.tile h3{ font-size:.98rem; position:relative; z-index:1; }
.tile span.count{ font-family:var(--font-mono); font-size:.74rem; color:var(--text-faint); position:relative; z-index:1; }

/* ---------- catalog layout ---------- */
.catalog-layout{ display:grid; grid-template-columns:230px 1fr; gap:36px; align-items:start; }
.filter-panel{ position:sticky; top:96px; display:flex; flex-direction:column; gap:26px; }
.filter-group h4{ font-size:.76rem; text-transform:uppercase; letter-spacing:.07em; color:var(--text-faint); margin-bottom:12px; }
.filter-list{ margin:0; padding:0; }
.filter-select{
  width:100%; background:var(--surface); border:1px solid var(--border); color:var(--text);
  border-radius:9px; padding:11px 14px; font-size:.88rem; font-family:inherit; cursor:pointer;
  appearance:none; -webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a6acd0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 12px center; background-size:16px;
  padding-right:36px; transition:border-color .15s;
}
.filter-select:hover{ border-color:var(--violet); }
.filter-select:focus{ border-color:var(--violet); outline:none; }

.toolbar{ display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:22px; flex-wrap:wrap; }
.result-count{ color:var(--text-faint); font-size:.85rem; }
.result-count b{ color:var(--text); }
.sort-select{
  background:var(--surface); border:1px solid var(--border); color:var(--text); border-radius:8px;
  padding:9px 12px; font-size:.85rem; font-family:inherit; cursor:pointer;
}

/* ---------- product grid ---------- */
.grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(230px,1fr)); gap:20px; }
.card{
  background:var(--panel); border:1px solid var(--border); border-radius:var(--radius-lg);
  overflow:hidden; display:flex; flex-direction:column; transition:border-color .2s, transform .25s, box-shadow .25s;
}
.card:hover{ border-color:var(--violet); transform:translateY(-4px); box-shadow:0 20px 40px -20px rgba(139,92,246,.4); }
.card-media{
  aspect-ratio:4/3; background:var(--surface); display:flex; align-items:center; justify-content:center;
  padding:22px; position:relative; border-bottom:1px solid var(--border); overflow:hidden;
}
.card-media img{ max-height:100%; object-fit:contain; transition:transform .35s; }
.card:hover .card-media img{ transform:scale(1.08); }
.stock-flag{
  position:absolute; top:10px; left:10px; font-family:var(--font-mono); font-size:.66rem;
  padding:4px 9px; border-radius:6px; background:rgba(10,12,23,.85); color:var(--cyan); border:1px solid var(--border);
}
.stock-flag.low{ color:var(--amber); }
.stock-flag.out{ color:var(--danger); }
.quick-add{
  position:absolute; bottom:10px; right:10px; width:38px; height:38px; border-radius:50%;
  background:var(--grad-primary); border:none; color:#fff; display:flex; align-items:center; justify-content:center;
  cursor:pointer; opacity:0; transform:translateY(8px) scale(.85); transition:all .2s; box-shadow:0 6px 18px -4px rgba(139,92,246,.6);
}
.card:hover .quick-add{ opacity:1; transform:translateY(0) scale(1); }
.card-body{ padding:16px 18px 18px; display:flex; flex-direction:column; gap:8px; flex:1; }
.card-cat{ font-family:var(--font-mono); font-size:.7rem; color:var(--text-faint); text-transform:uppercase; letter-spacing:.05em; }
.card-title{ font-size:.98rem; font-weight:600; line-height:1.35; }
.card-desc{ font-size:.83rem; color:var(--text-dim); flex:1; }
.card-foot{ display:flex; align-items:center; justify-content:space-between; margin-top:6px; gap:10px; }
.price{ font-family:var(--font-mono); font-weight:700; color:var(--amber); font-size:1.04rem; }
.price small{ color:var(--text-faint); font-weight:400; font-size:.72rem; }

.pico{ width:56px; height:56px; color:var(--text-dim); }

/* ---------- services ---------- */
.svc-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr)); gap:20px; }
.svc-card{
  background:var(--panel); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:26px; display:flex; flex-direction:column; gap:10px; position:relative; overflow:hidden;
  transition:transform .2s, border-color .2s;
}
.svc-card::before{ content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--bar,var(--grad-primary)); }
.svc-card:hover{ transform:translateY(-4px); border-color:var(--border-soft); }
.svc-card .price{ font-size:.86rem; }
.svc-card h3{ font-size:1.1rem; }
.svc-card p{ color:var(--text-dim); font-size:.88rem; margin:0; flex:1; }
.svc-card .pico-wrap{ width:44px; height:44px; border-radius:12px; background:var(--surface); display:flex; align-items:center; justify-content:center; }
.svc-card .pico{ width:24px; height:24px; }

/* ---------- about / trust strip ---------- */
.trust-strip{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.trust-item{ border-top:2px solid transparent; border-image:var(--grad-primary) 1; padding-top:18px; }
.trust-item h3{ font-size:1.08rem; }
.trust-item p{ color:var(--text-dim); font-size:.9rem; margin:0; }

/* ---------- contact ---------- */
.contact-wrap{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
.field{ display:flex; flex-direction:column; gap:6px; margin-bottom:16px; }
.field label{ font-size:.82rem; color:var(--text-dim); }
.field input, .field textarea, .field select{
  background:var(--surface); border:1px solid var(--border); border-radius:9px;
  padding:12px 14px; color:var(--text); font-family:inherit; font-size:.92rem; transition:border-color .15s;
}
.field input:focus, .field textarea:focus, .field select:focus{ border-color:var(--violet); }
.info-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:16px; }
.info-list li{ display:flex; gap:14px; align-items:flex-start; color:var(--text-dim); font-size:.92rem; }
.info-list .pico-wrap{ width:38px; height:38px; border-radius:10px; background:var(--surface); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.info-list .pico-wrap svg{ width:18px; height:18px; color:var(--cyan); }
.info-list b{ color:var(--text); display:block; }

/* ---------- footer ---------- */
footer{ border-top:1px solid var(--border-soft); padding:52px 0 28px; background:var(--canvas-alt); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:32px; margin-bottom:32px; }
.footer-grid h4{ font-size:.85rem; color:var(--text-faint); text-transform:uppercase; letter-spacing:.06em; margin-bottom:14px; }
.footer-grid ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.footer-grid a{ text-decoration:none; color:var(--text-dim); font-size:.9rem; transition:color .15s; }
.footer-grid a:hover{ color:var(--cyan); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; border-top:1px solid var(--border-soft); padding-top:20px; color:var(--text-faint); font-size:.8rem; flex-wrap:wrap; gap:10px; }

/* ---------- cart drawer ---------- */
.overlay{ position:fixed; inset:0; background:rgba(6,7,14,.68); backdrop-filter:blur(3px); opacity:0; pointer-events:none; transition:opacity .25s; z-index:90; }
.overlay.open{ opacity:1; pointer-events:auto; }
.cart-drawer{
  position:fixed; top:0; right:0; height:100%; width:min(430px,100%); background:var(--panel);
  border-left:1px solid var(--border); transform:translateX(100%); transition:transform .3s cubic-bezier(.2,.9,.3,1);
  z-index:100; display:flex; flex-direction:column;
}
.cart-drawer.open{ transform:translateX(0); }
.cart-head{ display:flex; align-items:center; justify-content:space-between; padding:20px 22px; border-bottom:1px solid var(--border); }
.cart-close{ background:var(--surface); border:1px solid var(--border); color:var(--text-dim); font-size:1.2rem; cursor:pointer; line-height:1; width:32px; height:32px; border-radius:8px; }
.cart-items{ flex:1; overflow-y:auto; padding:16px 22px; display:flex; flex-direction:column; gap:14px; }
.cart-empty{ color:var(--text-faint); text-align:center; padding:60px 10px; font-size:.9rem; }
.cart-row{ display:flex; gap:12px; border-bottom:1px solid var(--border-soft); padding-bottom:14px; }
.cart-thumb{ width:56px; height:56px; border-radius:10px; background:var(--surface); display:flex; align-items:center; justify-content:center; flex-shrink:0; overflow:hidden; }
.cart-thumb img{ max-width:100%; max-height:100%; object-fit:contain; }
.cart-row-info{ flex:1; min-width:0; }
.cart-row-info .name{ font-size:.86rem; font-weight:600; margin-bottom:4px; }
.cart-row-info .price{ font-size:.82rem; }
.qty-ctrl{ display:flex; align-items:center; gap:8px; margin-top:8px; }
.qty-ctrl button{ width:24px; height:24px; border-radius:6px; border:1px solid var(--border); background:var(--surface); color:var(--text); cursor:pointer; }
.qty-ctrl button:hover{ border-color:var(--violet); }
.qty-ctrl span{ font-family:var(--font-mono); font-size:.85rem; min-width:16px; text-align:center; }
.remove-link{ background:none; border:none; color:var(--text-faint); font-size:.76rem; cursor:pointer; text-decoration:underline; margin-top:6px; }
.remove-link:hover{ color:var(--danger); }
.cart-foot{ border-top:1px solid var(--border); padding:20px 22px 24px; }
.cart-total-row{ display:flex; justify-content:space-between; font-family:var(--font-mono); margin-bottom:16px; font-size:1.05rem; }

/* ---------- toasts ---------- */
.toast-stack{ position:fixed; bottom:24px; right:24px; z-index:200; display:flex; flex-direction:column; gap:10px; align-items:flex-end; }
.toast{
  background:var(--panel); border:1px solid var(--border); border-left:3px solid var(--cyan);
  border-radius:10px; padding:12px 16px; display:flex; align-items:center; gap:10px; box-shadow:0 12px 30px -10px rgba(0,0,0,.5);
  font-size:.86rem; animation:toast-in .25s ease; max-width:300px;
}
.toast strong{ color:var(--cyan); }
@keyframes toast-in{ from{ opacity:0; transform:translateY(10px); } to{ opacity:1; transform:translateY(0); } }
.toast.leaving{ animation:toast-out .2s ease forwards; }
@keyframes toast-out{ to{ opacity:0; transform:translateX(20px); } }

/* ---------- page hero (checkout/etc) ---------- */
.page-hero{ padding:56px 0 32px; border-bottom:1px solid var(--border-soft); background:var(--canvas-alt); }
.page-hero h1{ font-size:2.1rem; }
.page-hero p{ color:var(--text-dim); margin:0; }
.steps{ display:flex; gap:10px; margin-top:20px; flex-wrap:wrap; }
.step{ display:flex; align-items:center; gap:8px; font-size:.82rem; color:var(--text-faint); font-family:var(--font-mono); }
.step b{ width:22px; height:22px; border-radius:50%; background:var(--surface); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; font-size:.72rem; color:var(--text-dim); }
.step.active{ color:var(--text); }
.step.active b{ background:var(--grad-primary); border-color:transparent; color:#fff; }

.checkout-grid{ display:grid; grid-template-columns:1.2fr .8fr; gap:40px; align-items:start; }
.summary-card{ background:var(--panel); border:1px solid var(--border); border-radius:var(--radius-lg); padding:24px; position:sticky; top:96px; }
.summary-row{ display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid var(--border-soft); font-size:.9rem; }
.summary-row.total{ font-family:var(--font-mono); font-size:1.2rem; border-bottom:none; padding-top:16px; color:var(--amber); }
.pay-tabs{ display:flex; gap:6px; background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:4px; }
.pay-tab{
  flex:1; background:none; border:none; color:var(--text-dim); font-size:.84rem; font-weight:600;
  padding:9px 0; border-radius:7px; cursor:pointer; transition:all .15s;
}
.pay-tab:hover{ color:var(--text); }
.pay-tab.active{ background:var(--grad-primary); color:#fff; }
.pay-panel[hidden]{ display:none; }

.notice{
  background:var(--surface); border:1px solid var(--border); border-left:3px solid var(--cyan);
  border-radius:8px; padding:14px 16px; font-size:.85rem; color:var(--text-dim); margin-top:18px;
}

/* ---------- misc ---------- */
.badge{ display:inline-block; background:var(--surface); border:1px solid var(--border); color:var(--text-dim); font-size:.72rem; padding:4px 10px; border-radius:999px; font-family:var(--font-mono); width:fit-content; }
.center{ text-align:center; }
.empty-state{ text-align:center; padding:60px 20px; color:var(--text-dim); grid-column:1/-1; }

/* ---------- responsive ---------- */
@media (max-width: 1000px){
  .catalog-layout{ grid-template-columns:1fr; }
  .filter-panel{ position:static; flex-direction:row; align-items:center; gap:12px; }
  .filter-group{ width:100%; }
  .filter-group h4{ margin-bottom:0; white-space:nowrap; }
}
@media (max-width: 560px){
  .filter-panel{ flex-direction:column; align-items:stretch; }
}
@media (max-width: 900px){
  .hero-inner{ grid-template-columns:1fr; }
  .stack{ height:320px; }
  .checkout-grid{ grid-template-columns:1fr; }
  .contact-wrap{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .trust-strip{ grid-template-columns:1fr; }
  .searchbox{ display:none; }
}
@media (max-width: 720px){
  .nav{
    position:fixed; top:73px; left:0; right:0; background:var(--panel); border-bottom:1px solid var(--border);
    flex-direction:column; align-items:flex-start; padding:18px 24px; gap:16px;
    transform:translateY(-130%); transition:transform .2s; z-index:55;
  }
  .nav.open{ transform:translateY(0); }
  .menu-toggle{
    display:flex; background:var(--surface); border:1px solid var(--border); color:var(--text);
    width:40px; height:40px; border-radius:8px; align-items:center; justify-content:center; cursor:pointer;
  }
  .footer-grid{ grid-template-columns:1fr; }
  .toast-stack{ left:16px; right:16px; bottom:16px; align-items:stretch; }
  .toast{ max-width:none; }
}