/* =========================================================
   WIĘCEJ LODU — shared styles
   Tokens:
   ink       #121210  base background (warm concrete black)
   ink-2     #191814  raised surface
   paper     #EDEAE2  off-white (light sections, stamps)
   steel     #93968F  muted secondary text
   frost     #AEDCE6  icy accent — used sparingly
   line      #35342C  hairlines
   Display   'Big Shoulders Display' 900 — compressed, industrial
   Body      'IBM Plex Sans'
   Mono      'IBM Plex Mono' — prices, SKUs, hallmark stamps
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@700;800;900&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }

:root{
  --ink: #121210;
  --ink-2: #191814;
  --ink-3: #201f1a;
  --paper: #EDEAE2;
  --steel: #93968F;
  --steel-dim: #605F58;
  --frost: #AEDCE6;
  --frost-dim: #5C7C82;
  --line: #35342C;
  --line-soft: #26251F;
  --radius: 2px;
}

html{ scroll-behavior: smooth; }

body{
  background: var(--ink);
  color: var(--paper);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* subtle grain overlay on everything, sits above bg, below content */
body::before{
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a{ color: inherit; text-decoration: none; }
ul{ list-style: none; }
img{ max-width: 100%; display: block; }

.wrap{ max-width: 1240px; margin: 0 auto; padding: 0 32px; }

h1,h2,h3,h4{
  font-family: 'Big Shoulders Display', sans-serif;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 0.92;
}

.eyebrow{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.mono{ font-family: 'IBM Plex Mono', monospace; }

/* ---------- buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--paper);
  border-radius: var(--radius);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover{ background: var(--paper); color: var(--ink); }
.btn-solid{ background: var(--paper); color: var(--ink); }
.btn-solid:hover{ background: var(--frost); border-color: var(--frost); color: var(--ink); }
.btn-ghost{ border-color: var(--line); color: var(--steel); }
.btn-ghost:hover{ background: var(--ink-2); color: var(--paper); border-color: var(--steel); }

/* ---------- hallmark stamp — signature element ---------- */
.stamp{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 12px 6px 10px;
  border: 1px solid currentColor;
  clip-path: polygon(8% 0,92% 0,100% 30%,100% 100%,92% 100%,8% 100%,0 70%,0 30%);
  color: var(--frost);
}
.stamp.on-dark{ color: var(--frost); }
.stamp.mute{ color: var(--steel); }

/* punch-mark divider pattern, used once per page — restraint */
.punchline{
  height: 22px;
  background-image: radial-gradient(circle, var(--line) 1px, transparent 1.4px);
  background-size: 14px 14px;
  opacity: 0.6;
}

/* ice-crack rule */
.crack{
  width: 100%;
  height: 14px;
  display: block;
}

/* ---------- nav ---------- */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(18,18,16,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line-soft);
}
.nav{
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
}
.logo{
  font-family: 'Big Shoulders Display', sans-serif;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0.01em;
  display: flex; flex-direction: column; line-height: 0.85;
}
.logo span:last-child{ color: var(--frost); }
.nav-links{ display: flex; gap: 34px; }
.nav-links a{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a:hover, .nav-links a.active{ color: var(--paper); }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:1px; background: var(--frost);
}
.nav-icons{ display:flex; gap: 20px; align-items:center; }
.nav-icons a{ font-size: 15px; color: var(--paper); }
.nav-toggle{ display:none; background:none; border:none; color:var(--paper); font-size:22px; cursor:pointer; }

@media (max-width: 860px){
  .nav-links{
    display: none;
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--ink);
    flex-direction: column; padding: 90px 32px 30px; gap: 26px;
    overflow-y: auto;
    z-index: 500;
  }
  .nav-links.open{ display: flex; }
  .nav-links a{ font-size: 15px; }
  .nav-toggle{ display:block; position:relative; z-index:600; }
  body.nav-open{ overflow: hidden; }
}

/* ---------- footer ---------- */
.site-footer{
  border-top: 1px solid var(--line-soft);
  padding: 54px 0 26px;
  margin-top: 120px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-grid h4{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 16px;
  font-weight: 500;
}
.footer-grid a, .footer-grid p{
  color: var(--steel);
  font-size: 14px;
  display: block;
  margin-bottom: 10px;
}
.footer-grid a:hover{ color: var(--paper); }
.footer-bottom{
  display:flex; justify-content: space-between; align-items:center;
  padding-top: 24px; border-top: 1px solid var(--line-soft);
  font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--steel-dim);
  letter-spacing: .06em;
}
@media (max-width: 760px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .footer-bottom{ flex-direction: column; gap: 10px; text-align:center; }
}

/* ---------- product card ---------- */
.grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
@media (max-width: 860px){ .grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 520px){ .grid{ grid-template-columns: 1fr; } }

.card{
  background: var(--ink);
  padding: 26px 22px 22px;
  transition: background .15s ease;
  position: relative;
}
.card:hover{ background: var(--ink-2); }
.card-media{
  aspect-ratio: 1/1;
  border-radius: var(--radius);
  margin-bottom: 18px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 30% 20%, #3b3a34 0%, transparent 55%),
    linear-gradient(150deg, #23221d 0%, #171613 60%, #0e0d0b 100%);
  display:flex; align-items:center; justify-content:center;
}
.card-media svg{ width: 58%; opacity: .92; }
.card-badge{
  position:absolute; top:10px; left:10px;
}
.card h3{
  font-size: 18px;
  margin-bottom: 6px;
  font-weight: 800;
}
.card .spec{
  font-family:'IBM Plex Mono', monospace;
  font-size: 11.5px;
  color: var(--steel);
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.card .price{
  font-family:'IBM Plex Mono', monospace;
  font-size: 15px;
  color: var(--frost);
}
.card .price .old{
  color: var(--steel-dim);
  text-decoration: line-through;
  margin-right: 8px;
  font-size: 13px;
}

/* ---------- section helpers ---------- */
section{ padding: 90px 0; }
.section-head{
  display:flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 44px; gap: 24px; flex-wrap: wrap;
}
.section-head h2{ font-size: clamp(30px,4vw,46px); }

/* ---------- responsive layout utilities (replace inline grid-template-columns) ---------- */
.cols-2{ display:grid; grid-template-columns: 1fr 1fr; gap:48px; align-items:center; }
.cols-2-wide{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap:48px; align-items:center; }
@media (max-width: 860px){
  .cols-2, .cols-2-wide{ grid-template-columns: 1fr; gap: 32px; }
}

.cols-3{ display:grid; grid-template-columns: repeat(3,1fr); gap:40px; }
@media (max-width: 760px){ .cols-3{ grid-template-columns: 1fr; gap:28px; } }

.cols-4{ display:grid; grid-template-columns: repeat(4,1fr); gap:24px; }
@media (max-width: 760px){ .cols-4{ grid-template-columns: repeat(2,1fr); gap:18px; } }
@media (max-width: 420px){ .cols-4{ grid-template-columns: 1fr; } }

.thumb-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:1px; margin-top:1px; background:var(--line-soft); border:1px solid var(--line-soft); }
@media (max-width: 520px){ .thumb-grid{ grid-template-columns: repeat(2,1fr); } }

.spec-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:16px 30px; }
@media (max-width: 480px){ .spec-grid{ grid-template-columns: 1fr; gap:14px; } }

.grid-5{ grid-template-columns: repeat(5,1fr) !important; }
.grid-6{ grid-template-columns: repeat(6,1fr) !important; }
@media (max-width: 860px){ .grid-5, .grid-6{ grid-template-columns: repeat(3,1fr) !important; } }
@media (max-width: 520px){ .grid-5, .grid-6{ grid-template-columns: repeat(2,1fr) !important; } }

.pill-row{ display:flex; gap: 10px; flex-wrap: wrap; }
.pill{
  font-family:'IBM Plex Mono', monospace;
  font-size: 11.5px; letter-spacing:.06em; text-transform:uppercase;
  border:1px solid var(--line); padding: 8px 14px; border-radius: 999px;
  color: var(--steel); cursor:pointer;
}
.pill.active, .pill:hover{ border-color: var(--frost); color: var(--frost); }

/* ---------- small-screen tightening ---------- */
@media (max-width: 600px){
  .wrap{ padding: 0 20px; }
  section{ padding: 56px 0; }
  .site-footer{ margin-top: 70px; }
  .footer-grid{ gap: 28px; padding-bottom: 28px; }
  .nav-icons{ gap: 14px; }
  h1{ font-size: clamp(34px, 11vw, 60px) !important; }
}