/* ============================================================
   TRACTIONARY — design system
   Read off the brand's own film: chrome emblem, night-drive
   footage, VHS grain, camcorder viewfinder overlays.
   ============================================================ */

/* ---------- tokens ---------- */
:root {
  /* surfaces layer base -> elevated -> floating, never all one z-plane */
  --base:      #07070a;
  --elevated:  #0e0f14;
  --floating:  #16181f;
  --line:      rgba(232, 234, 240, 0.10);
  --line-hot:  rgba(232, 234, 240, 0.28);

  --ink:       #edeef2;
  --ink-dim:   #9296a2;
  --ink-faint: #5c606c;

  /* accents pulled straight from the footage: fire ring + tail lights */
  --ember:     #ffa51f;
  --ember-dim: #b3701048;
  --tail:      #ff2a2a;

  --chrome: linear-gradient(178deg,
      #ffffff 0%, #d5d8e0 22%, #767b88 46%,
      #f2f4f8 62%, #9aa0ad 82%, #c8ccd6 100%);

  /* one spacing scale, used everywhere — no random steps */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px;
  --s5: 24px; --s6: 32px; --s7: 48px; --s8: 64px; --s9: 96px;

  --shell: 1240px;

  /* layered, colour-tinted shadows — never a flat drop */
  --lift:
    0 1px 1px rgba(0,0,0,.5),
    0 6px 14px -6px rgba(0,0,0,.7),
    0 18px 44px -22px rgba(255,165,31,.22);
  --lift-hot:
    0 1px 1px rgba(0,0,0,.5),
    0 10px 22px -8px rgba(0,0,0,.75),
    0 26px 60px -24px rgba(255,165,31,.42);

  --spring: cubic-bezier(.2,.9,.24,1);
}

/* ---------- reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--base);
  color: var(--ink);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* Every interactive element gets a visible keyboard ring. No exceptions. */
:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- type ---------- */
.display {
  font-family: 'Anton', 'Arial Narrow', sans-serif;
  font-weight: 400;
  letter-spacing: -0.03em;   /* tight tracking on large display type */
  line-height: 0.92;
  text-transform: uppercase;
}
.mono {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.label {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* chrome-filled text, same finish as the emblem */
.chrome-text {
  background: var(--chrome);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 2px 10px rgba(255,255,255,.10));
}

/* ---------- film grain + scanlines, sitting above everything ---------- */
.grain, .scan {
  position: fixed;
  inset: -50%;
  pointer-events: none;
  z-index: 90;
}
.grain {
  opacity: 0.09;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grainShift 700ms steps(3) infinite;
}
.scan {
  inset: 0;
  opacity: 0.35;
  background: repeating-linear-gradient(
    to bottom, rgba(0,0,0,0) 0 2px, rgba(0,0,0,.22) 2px 3px);
  mix-blend-mode: multiply;
}
@keyframes grainShift {
  0%   { transform: translate(0,0); }
  33%  { transform: translate(-3%, 2%); }
  66%  { transform: translate(2%, -3%); }
  100% { transform: translate(0,0); }
}

/* ---------- layout ---------- */
.shell { width: 100%; max-width: var(--shell); margin: 0 auto; padding: 0 var(--s5); }
.stack > * + * { margin-top: var(--s4); }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 60;
  background: rgba(7,7,10,.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.site-head .bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s4); height: 68px;
}
.brandmark { display: flex; align-items: center; gap: var(--s3); }
.brandmark img { width: 30px; height: auto; }
.brandmark .word { font-size: 19px; letter-spacing: 0.04em; }

.nav { display: flex; align-items: center; gap: var(--s5); }
.nav a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-dim);
  padding: var(--s2) 0;
  position: relative;
  transition: color 220ms var(--spring);
}
.nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--ember);
  transform: scaleX(0); transform-origin: left;
  transition: transform 280ms var(--spring);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); }

.cart-pill {
  display: inline-flex; align-items: center; gap: var(--s2);
  border: 1px solid var(--line-hot); border-radius: 999px;
  padding: 7px var(--s3);
  font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.18em;
  transition: transform 220ms var(--spring), border-color 220ms var(--spring), box-shadow 220ms var(--spring);
}
.cart-pill:hover { transform: translateY(-1px); border-color: var(--ember); box-shadow: var(--lift); }
.cart-pill:active { transform: translateY(0); }
.cart-count { color: var(--ember); }

/* Below ~720px the wordmark, three nav links and the cart pill cannot share
   one line without colliding, so the links drop to their own row. */
@media (max-width: 720px) {
  .site-head .bar {
    flex-wrap: wrap;
    height: auto;
    /* keep the shell's horizontal padding — a `0` here would flush the
       header against the viewport edge while the rest of the page stays inset */
    padding: var(--s3) var(--s5) 0;
    row-gap: var(--s2);
  }
  .brandmark { order: 1; }
  .brandmark .word { font-size: 16px; }
  .brandmark img { width: 26px; }
  .cart-pill { order: 2; }
  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: var(--s3);
    border-top: 1px solid var(--line);
    padding-top: var(--s1);
  }
  .nav a { font-size: 10px; letter-spacing: .16em; }
}

/* ---------- buttons ---------- */
.btn {
  --btn-bg: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s2);
  padding: 14px var(--s6);
  border: 1px solid var(--line-hot);
  background: var(--btn-bg);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase;
  /* only transform + opacity + colour, never transition-all */
  transition: transform 260ms var(--spring), border-color 260ms var(--spring),
              box-shadow 260ms var(--spring), color 260ms var(--spring);
}
.btn:hover { transform: translateY(-2px); border-color: var(--ember); color: #fff; box-shadow: var(--lift-hot); }
.btn:active { transform: translateY(0) scale(.985); }
.btn[disabled] { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-solid {
  background: linear-gradient(180deg, #ffc061, var(--ember) 55%, #d8830b);
  border-color: transparent; color: #1a1200; font-weight: 600;
}
.btn-solid:hover { color: #1a1200; }

/* ---------- media frame with camcorder HUD ---------- */
.frame { position: relative; overflow: hidden; background: #000; }
.frame video, .frame img { width: 100%; height: 100%; object-fit: cover; }

/* gradient wash + colour treatment, so footage never sits raw on the page */
.frame::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(0,0,0,.72) 0%, rgba(0,0,0,0) 55%);
}
.frame.tint::before {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(120% 80% at 50% 100%, rgba(255,165,31,.28), transparent 60%);
  mix-blend-mode: multiply;
}

.hud { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.hud i {
  position: absolute; width: 16px; height: 16px;
  border: 1px solid rgba(255,255,255,.55);
}
.hud i:nth-child(1) { top: 12px; left: 12px;  border-right: 0; border-bottom: 0; }
.hud i:nth-child(2) { top: 12px; right: 12px; border-left: 0;  border-bottom: 0; }
.hud i:nth-child(3) { bottom: 12px; left: 12px;  border-right: 0; border-top: 0; }
.hud i:nth-child(4) { bottom: 12px; right: 12px; border-left: 0;  border-top: 0; }
.hud b {
  position: absolute; top: 14px; left: 38px;
  font-family: 'IBM Plex Mono', monospace; font-weight: 400;
  font-size: 9px; letter-spacing: .2em; color: rgba(255,255,255,.72);
}
.hud b.rec { left: auto; right: 38px; color: var(--tail); }
.hud b.rec::before {
  content: '●'; margin-right: 6px;
  animation: blink 1.6s steps(1) infinite;
}
@keyframes blink { 0%,50% { opacity: 1 } 51%,100% { opacity: .15 } }

/* ---------- product cards ---------- */
.grid {
  display: grid; gap: var(--s5);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
}
.card {
  position: relative;
  background: var(--elevated);
  border: 1px solid var(--line);
  transition: transform 300ms var(--spring), border-color 300ms var(--spring), box-shadow 300ms var(--spring);
}
.card:hover { transform: translateY(-4px); border-color: var(--line-hot); box-shadow: var(--lift-hot); }
.card .shot { aspect-ratio: 4 / 5; }
.card .meta { padding: var(--s4); display: flex; justify-content: space-between; gap: var(--s3); align-items: baseline; }
.card .name { font-size: 14px; letter-spacing: .01em; }
.card .price { font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--ember); white-space: nowrap; }
.card .sold { color: var(--ink-faint); }

/* ---------- forms ---------- */
.swatches { display: flex; flex-wrap: wrap; gap: var(--s2); }
.swatch {
  min-width: 52px; padding: 10px var(--s3);
  border: 1px solid var(--line-hot); background: transparent;
  font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: .14em;
  transition: transform 200ms var(--spring), border-color 200ms var(--spring), color 200ms var(--spring), background-color 200ms var(--spring);
}
.swatch:hover:not([disabled]) { transform: translateY(-2px); border-color: var(--ember); }
.swatch[aria-pressed="true"] { background: var(--ink); color: #08080b; border-color: var(--ink); }
.swatch[disabled] { opacity: .3; cursor: not-allowed; text-decoration: line-through; }

/* ---------- footer ---------- */
.site-foot {
  margin-top: var(--s9);
  border-top: 1px solid var(--line);
  padding: var(--s7) 0 var(--s6);
  color: var(--ink-dim);
}
.foot-grid { display: flex; flex-wrap: wrap; gap: var(--s7); justify-content: space-between; }
.foot-grid a { transition: color 200ms var(--spring); }
.foot-grid a:hover { color: var(--ember); }
.foot-links { display: flex; flex-direction: column; gap: var(--s2); font-size: 13px; }

/* ---------- spinning emblem ----------
   The medallion turns the way the 3D one does in the films. A flat image
   going edge-on at 90deg is faithful here — the original object does exactly
   that as it rotates. Only `transform` animates. The global
   prefers-reduced-motion rule further down stops it for anyone who asks. */
.spin {
  animation: spin 7s linear infinite;
  transform-origin: 50% 50%;
  will-change: transform;
  backface-visibility: visible;
}
.spin-slow { animation-duration: 14s; }
@keyframes spin {
  from { transform: perspective(900px) rotateY(0deg); }
  to   { transform: perspective(900px) rotateY(360deg); }
}

/* ---------- AI fit advisor ---------- */
.advisor-open {
  position: fixed; right: 20px; bottom: 20px; z-index: 80;
  display: inline-flex; align-items: center; gap: var(--s2);
  padding: 13px var(--s5);
  background: linear-gradient(180deg, #ffc061, var(--ember) 55%, #d8830b);
  color: #1a1200; border-radius: 999px;
  font-family: 'IBM Plex Mono', monospace; font-size: 11px;
  letter-spacing: .2em; text-transform: uppercase; font-weight: 600;
  box-shadow: var(--lift-hot);
  transition: transform 260ms var(--spring), box-shadow 260ms var(--spring);
}
.advisor-open:hover { transform: translateY(-3px) scale(1.02); }
.advisor-open:active { transform: translateY(0) scale(.98); }
.advisor-open img { width: 18px; height: auto; }

.advisor {
  position: fixed; right: 20px; bottom: 20px; z-index: 85;
  width: min(380px, calc(100vw - 32px));
  height: min(560px, calc(100vh - 40px));
  display: none; flex-direction: column;
  background: var(--elevated);
  border: 1px solid var(--line-hot);
  box-shadow: var(--lift-hot);
  transform-origin: bottom right;
}
.advisor[data-open="true"] { display: flex; animation: popIn 300ms var(--spring); }
@keyframes popIn {
  from { opacity: 0; transform: translateY(12px) scale(.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.advisor header {
  display: flex; align-items: center; gap: var(--s3);
  padding: var(--s4); border-bottom: 1px solid var(--line);
  background: var(--floating);
}
.advisor header img { width: 24px; }
.advisor header .t { flex: 1; }
.advisor header .t b { display: block; font-size: 13px; font-weight: 500; }
.advisor header .t span { font-family: 'IBM Plex Mono', monospace; font-size: 9px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-faint); }
.advisor header button { font-size: 20px; line-height: 1; color: var(--ink-dim); padding: 0 4px; transition: color 200ms var(--spring); }
.advisor header button:hover { color: var(--ember); }

.advisor .log { flex: 1; overflow-y: auto; padding: var(--s4); display: flex; flex-direction: column; gap: var(--s3); }
.advisor .msg { max-width: 88%; padding: 10px var(--s3); font-size: 14px; line-height: 1.6; }
.advisor .msg.bot  { background: var(--floating); border: 1px solid var(--line); align-self: flex-start; }
.advisor .msg.you  { background: rgba(255,165,31,.12); border: 1px solid var(--ember-dim); align-self: flex-end; }
.advisor .msg.err  { border-color: rgba(255,42,42,.4); color: #ffb0b0; align-self: flex-start; }

.advisor .chips { display: flex; flex-wrap: wrap; gap: var(--s2); padding: 0 var(--s4) var(--s3); }
.advisor .chip {
  border: 1px solid var(--line-hot); padding: 7px var(--s3);
  font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: .12em;
  color: var(--ink-dim);
  transition: transform 200ms var(--spring), border-color 200ms var(--spring), color 200ms var(--spring);
}
.advisor .chip:hover { transform: translateY(-2px); border-color: var(--ember); color: var(--ink); }

.advisor form { display: flex; gap: var(--s2); padding: var(--s3) var(--s4) var(--s4); border-top: 1px solid var(--line); }
.advisor input {
  flex: 1; background: var(--base); border: 1px solid var(--line-hot);
  color: var(--ink); padding: 11px var(--s3); font: inherit; font-size: 14px;
}
.advisor input::placeholder { color: var(--ink-faint); }
.advisor form button {
  padding: 0 var(--s4); border: 1px solid var(--ember); color: var(--ember);
  font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  transition: transform 200ms var(--spring), background-color 200ms var(--spring), color 200ms var(--spring);
}
.advisor form button:hover { background: var(--ember); color: #1a1200; transform: translateY(-1px); }
.advisor form button[disabled] { opacity: .4; transform: none; }

.dots span {
  display: inline-block; width: 5px; height: 5px; border-radius: 50%;
  background: var(--ink-faint); margin-right: 4px;
  animation: pulse 1.2s var(--spring) infinite;
}
.dots span:nth-child(2) { animation-delay: .15s; }
.dots span:nth-child(3) { animation-delay: .3s; }
@keyframes pulse { 0%,100% { opacity: .25; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-3px); } }

/* ---------- utility ---------- */
.center { text-align: center; }
.muted { color: var(--ink-dim); }
.hairline { height: 1px; background: var(--line); border: 0; margin: 0; }
.wide-scroll { overflow-x: auto; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}