/* ═══════════════════════════════════════════════════════════
   SUREPACE TYRES — Driving Excellence Forward
   ═══════════════════════════════════════════════════════════ */

:root{
  --ink:      #08090b;
  --ink-2:    #0d0f13;
  --ink-3:    #14171d;
  --line:     rgba(255,255,255,.09);
  --line-2:   rgba(255,255,255,.16);

  --orange:   #ff7a18;
  --orange-2: #f0913f;      /* logo orange */
  --blue:     #2fd2ff;      /* neon blue */
  --blue-2:   #0a86c9;
  --plum:     #5b3552;      /* logo plum */

  --text:     #eceef2;
  --muted:    #8b919e;
  --faint:    #5a606c;

  --font-d: "Saira Condensed", "Oswald", "Arial Narrow", system-ui, sans-serif;
  --font-b: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-m: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --pad: clamp(20px, 4.4vw, 72px);
  --ease: cubic-bezier(.22,.9,.28,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-b);
  font-size:16px;
  line-height:1.65;
  font-weight:350;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.is-loading{ overflow:hidden; height:100vh; }

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; }
::selection{ background:var(--orange); color:#0a0a0a; }

.mono{
  font-family:var(--font-m); font-size:11px; letter-spacing:.16em;
  text-transform:uppercase; font-weight:500;
}

/* ─── scrollbar ─── */
::-webkit-scrollbar{ width:9px; }
::-webkit-scrollbar-track{ background:#0a0b0d; }
::-webkit-scrollbar-thumb{ background:#23262d; border-radius:9px; }
::-webkit-scrollbar-thumb:hover{ background:var(--orange); }

/* ═══════════ PRELOADER ═══════════ */
.loader{
  position:fixed; inset:0; z-index:200;
  background:radial-gradient(120% 90% at 50% 40%, #101319 0%, #06070a 70%);
  display:grid; place-items:center;
  transition:opacity .7s var(--ease), visibility .7s;
}
.loader.is-done{ opacity:0; visibility:hidden; }
.loader__inner{ width:min(360px, 74vw); text-align:center; }
.loader__logo{
  width:100%; margin:0 auto 26px;
  filter:brightness(0) invert(1) drop-shadow(0 0 22px rgba(255,122,24,.28));
  opacity:.94;
}
.loader__bar{ height:2px; background:rgba(255,255,255,.1); overflow:hidden; }
.loader__bar i{
  display:block; height:100%; width:0%;
  background:linear-gradient(90deg,var(--orange),var(--blue));
  box-shadow:0 0 14px rgba(255,122,24,.8);
  transition:width .25s linear;
}
.loader__meta{ display:flex; justify-content:space-between; margin-top:12px; color:var(--faint); }

/* ═══════════ BACKGROUNDS ═══════════ */
.bg-stack{ position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.bg{ position:absolute; inset:0; opacity:0; will-change:opacity; }
.bg--grid{ opacity:1; }

/* 01 · dark grid */
.bg--grid{
  background:
    linear-gradient(to right, rgba(255,255,255,.038) 1px, transparent 1px) 0 0/ 76px 76px,
    linear-gradient(to bottom, rgba(255,255,255,.038) 1px, transparent 1px) 0 0/ 76px 76px,
    linear-gradient(to right, rgba(255,255,255,.016) 1px, transparent 1px) 0 0/ 19px 19px,
    linear-gradient(to bottom, rgba(255,255,255,.016) 1px, transparent 1px) 0 0/ 19px 19px,
    var(--ink);
}
.bg__glow{ position:absolute; border-radius:50%; filter:blur(90px); }
.bg__glow--orange{ width:52vw; height:52vw; left:-12vw; bottom:-18vw; background:rgba(255,122,24,.13); }
.bg__glow--blue{ width:46vw; height:46vw; right:-10vw; top:-16vw; background:rgba(47,210,255,.10); }

/* 02 · blueprint */
.bg--blueprint{
  background:
    linear-gradient(to right, rgba(47,210,255,.075) 1px, transparent 1px) 0 0/ 54px 54px,
    linear-gradient(to bottom, rgba(47,210,255,.075) 1px, transparent 1px) 0 0/ 54px 54px,
    linear-gradient(to right, rgba(47,210,255,.032) 1px, transparent 1px) 0 0/ 13.5px 13.5px,
    linear-gradient(to bottom, rgba(47,210,255,.032) 1px, transparent 1px) 0 0/ 13.5px 13.5px,
    linear-gradient(160deg,#070a10 0%, #0a1018 55%, #070a0e 100%);
}
.bp{ position:absolute; inset:0; width:100%; height:100%; }
.bp__ink *{ fill:none; stroke:rgba(47,210,255,.30); stroke-width:1; }
.bp__ink--dim *{ stroke:rgba(47,210,255,.13); }

/* 03 · trade routes */
.bg--routes{
  background:
    radial-gradient(120% 100% at 78% 40%, rgba(20,34,48,.85) 0%, rgba(6,8,12,1) 68%),
    linear-gradient(180deg,#070a0f 0%, #090d14 100%);
}
.routes{ position:absolute; inset:0; }
.routes svg{ width:100%; height:100%; display:block; }

/* 04 · map */
.bg--map{ background:linear-gradient(180deg,#06080c 0%, #080b11 100%); }
.map{ position:absolute; inset:-2%; }
.map svg{ width:100%; height:100%; display:block; }
.map__scrim{
  position:absolute; inset:0;
  background:
    radial-gradient(75% 65% at 22% 70%, rgba(6,8,12,0) 0%, rgba(6,8,12,.42) 74%),
    linear-gradient(180deg, rgba(6,8,12,.86) 0%, rgba(6,8,12,.22) 32%, rgba(6,8,12,.26) 70%, rgba(6,8,12,.66) 100%);
}

.bg-noise{
  position:absolute; inset:0; opacity:.05; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
.bg-vignette{
  position:absolute; inset:0;
  background:radial-gradient(120% 100% at 50% 50%, transparent 42%, rgba(0,0,0,.62) 100%);
}

/* ═══════════ 3D STAGE ═══════════ */
#stage{
  position:fixed; inset:0; width:100%; height:100%;
  z-index:1; pointer-events:none; display:block;
}
.gl-fallback{
  position:fixed; left:50%; bottom:24px; transform:translateX(-50%); z-index:6;
  padding:10px 16px; border:1px solid var(--line-2); background:rgba(10,12,16,.8);
  color:var(--muted); border-radius:2px;
}

/* callout labels (exploded view) */
.callouts{ position:fixed; inset:0; z-index:3; pointer-events:none; }
.callout{
  position:absolute; top:0; left:0; opacity:0;
  display:flex; align-items:center; gap:10px;
  transform:translate3d(0,0,0); will-change:transform,opacity;
}
.callout__dot{
  width:7px; height:7px; border-radius:50%; flex:none;
  background:var(--blue); box-shadow:0 0 0 3px rgba(47,210,255,.16), 0 0 14px var(--blue);
}
.callout__line{ width:clamp(24px,4vw,60px); height:1px; background:linear-gradient(90deg,rgba(47,210,255,.85),rgba(47,210,255,.15)); flex:none; }
.callout__txt{ white-space:nowrap; }
.callout__txt b{
  display:block; font-family:var(--font-m); font-size:11px; letter-spacing:.15em;
  text-transform:uppercase; color:#dff4ff; font-weight:500;
}
.callout__txt span{
  display:block; font-family:var(--font-m); font-size:9.5px; letter-spacing:.12em;
  color:rgba(47,210,255,.62); text-transform:uppercase;
}
.callout--flip{ flex-direction:row-reverse; }
.callout--flip .callout__line{ background:linear-gradient(270deg,rgba(47,210,255,.85),rgba(47,210,255,.15)); }
.callout--flip .callout__txt{ text-align:right; }

/* ═══════════ NAV ═══════════ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:20;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  padding:18px var(--pad);
  transition:background .4s var(--ease), backdrop-filter .4s, border-color .4s, padding .4s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(8,9,11,.72); backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line); padding-top:12px; padding-bottom:12px;
}
.nav__brand img{ height:30px; width:auto; filter:brightness(0) invert(1); opacity:.95; transition:opacity .3s; }
.nav__brand:hover img{ opacity:1; }
.nav__links{ display:flex; gap:30px; margin-left:auto; }
.nav__link{
  font-family:var(--font-m); font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--muted); position:relative; padding:6px 0; transition:color .3s;
}
.nav__link::after{
  content:""; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--orange); transition:width .35s var(--ease);
}
.nav__link:hover{ color:var(--text); }
.nav__link.is-active{ color:var(--text); }
.nav__link.is-active::after{ width:100%; }

.hud{
  position:fixed; bottom:22px; z-index:20; color:var(--faint);
  display:flex; align-items:center; gap:8px; pointer-events:none;
}
.hud--left{ left:var(--pad); }
.hud--right{ right:var(--pad); color:var(--blue); opacity:.75; }
.hud__dot{
  width:6px; height:6px; border-radius:50%; background:var(--orange);
  box-shadow:0 0 10px var(--orange); animation:pulse 2.4s infinite;
}
@keyframes pulse{ 0%,100%{opacity:1} 50%{opacity:.25} }

/* ═══════════ BUTTONS ═══════════ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:14px 26px; border-radius:2px; cursor:pointer; border:1px solid transparent;
  font-family:var(--font-m); font-size:11.5px; letter-spacing:.16em; text-transform:uppercase;
  transition:transform .3s var(--ease), background .3s, color .3s, border-color .3s, box-shadow .3s;
  position:relative; overflow:hidden;
}
.btn__arr{ transition:transform .35s var(--ease); }
.btn:hover .btn__arr{ transform:translateX(5px); }
.btn--primary{
  background:linear-gradient(100deg,var(--orange) 0%, var(--orange-2) 100%);
  color:#120a04; font-weight:500;
  box-shadow:0 8px 30px -10px rgba(255,122,24,.7);
}
.btn--primary:hover{ transform:translateY(-2px); box-shadow:0 14px 40px -10px rgba(255,122,24,.85); }
.btn--line{ border-color:var(--line-2); color:var(--text); }
.btn--line:hover{ border-color:var(--blue); color:var(--blue); box-shadow:0 0 26px -8px var(--blue); }
.btn--ghost{ border-color:var(--line-2); color:var(--text); padding:10px 18px; }
.btn--ghost:hover{ background:var(--orange); border-color:var(--orange); color:#120a04; }
.btn--block{ width:100%; margin-top:8px; }
.btn[disabled]{ opacity:.6; pointer-events:none; }

/* ═══════════ TYPE ═══════════ */
.eyebrow{
  display:flex; align-items:center; gap:12px; color:var(--orange);
  margin:0 0 22px;
}
.eyebrow__rule{ width:38px; height:1px; background:var(--orange); display:inline-block; }

.h1{
  font-family:var(--font-d); font-weight:800; text-transform:uppercase;
  font-size:clamp(40px, 6.2vw, 98px); line-height:.90; letter-spacing:-.012em;
  margin:0 0 20px;
}
.h1__line{ display:block; }
.h1__line--accent{
  background:linear-gradient(96deg,var(--orange) 8%, #ffb46b 52%, var(--orange-2) 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.h2{
  font-family:var(--font-d); font-weight:800; text-transform:uppercase;
  font-size:clamp(38px, 5.4vw, 82px); line-height:.92; letter-spacing:-.01em;
  margin:0 0 22px;
}
.h2 em{
  font-style:normal;
  background:linear-gradient(96deg,var(--orange) 0%, #ffc38a 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.lede{
  font-size:clamp(16px,1.5vw,20px); color:var(--text); font-weight:400;
  letter-spacing:.02em; margin:0 0 18px;
}
.body{ color:var(--muted); max-width:52ch; margin:0 0 18px; font-size:15.5px; }
.hero__copy{ color:var(--muted); max-width:46ch; margin:0 0 34px; font-size:15px; }

/* ═══════════ SECTIONS ═══════════ */
main{ position:relative; z-index:2; }
.section{ position:relative; padding:0 var(--pad); }
.sticky{ position:sticky; top:0; height:100vh; display:flex; align-items:center; }

/* 01 hero */
.section--hero{ min-height:100vh; display:flex; align-items:center; }
.hero__inner{ max-width:min(620px, 52vw); padding:112px 0 74px; will-change:transform,opacity; }
.hero__actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:44px; }
.hero__spec{ display:flex; gap:34px; list-style:none; margin:0; padding:26px 0 0; border-top:1px solid var(--line); }
.hero__spec li{ display:flex; flex-direction:column; gap:3px; }
.hero__spec b{ font-family:var(--font-d); font-size:26px; font-weight:800; letter-spacing:.02em; color:var(--text); }
.hero__spec span{ color:var(--faint); letter-spacing:.14em; }

.scroll-cue{
  position:absolute; left:50%; transform:translateX(-50%); bottom:40px; display:flex; align-items:center; gap:12px;
  color:var(--faint);
}
.scroll-cue i{ display:block; width:52px; height:1px; background:linear-gradient(90deg,var(--orange),transparent); position:relative; overflow:hidden; }
.scroll-cue i::after{
  content:""; position:absolute; inset:0; width:16px; background:var(--orange);
  animation:cue 2s var(--ease) infinite;
}
@keyframes cue{ 0%{transform:translateX(-18px);opacity:0} 40%{opacity:1} 100%{transform:translateX(52px);opacity:0} }

/* 02 about */
.section--about{ min-height:280vh; }
.about__inner{ max-width:min(560px, 47vw); }
.stats{
  list-style:none; display:grid; grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px; padding:24px 0 0; margin:6px 0 26px; border-top:1px solid var(--line);
}
.stats b{
  display:block; font-family:var(--font-d); font-weight:800; font-size:clamp(24px,2.6vw,38px);
  line-height:1; color:var(--blue); text-shadow:0 0 24px rgba(47,210,255,.35);
}
.stats span{ display:block; font-family:var(--font-m); font-size:9.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--faint); margin-top:7px; line-height:1.4; }
.anatomy-hint{ color:var(--faint); display:flex; align-items:center; gap:10px; }
.anatomy-hint::before{ content:""; width:22px; height:1px; background:var(--blue); }

/* 03 network */
.section--trade{ min-height:200vh; }
.trade__grid{
  position:sticky; top:0; height:100vh;
  display:grid; grid-template-columns:minmax(0,1fr) minmax(0,0.62fr);
  align-items:center;
}
.trade__main{ max-width:min(880px, 100%); padding:74px 0 30px; }
.trade__label{
  color:var(--faint); display:flex; align-items:center; gap:12px; margin:30px 0 16px;
}
.trade__label::before{ content:""; width:22px; height:1px; background:var(--orange); }

/* import → hub → export */
.flow{
  display:grid; grid-template-columns:1fr auto 1fr auto 1fr;
  align-items:stretch; gap:0; margin:30px 0 18px;
}
.flow__node{
  position:relative; display:flex; flex-direction:column; align-items:flex-start; gap:5px;
  padding:16px 16px 18px; border:1px solid var(--line);
  background:linear-gradient(160deg, rgba(24,28,36,.62), rgba(12,14,19,.45));
  border-radius:3px; backdrop-filter:blur(6px);
}
.flow__node b{
  font-family:var(--font-d); font-weight:700; text-transform:uppercase;
  font-size:clamp(15px,1.35vw,19px); letter-spacing:.01em; line-height:1.1; color:var(--text);
}
.flow__node > span.mono{ color:var(--muted); font-size:10px; }
.flow__icon svg{
  width:26px; height:26px; fill:none; stroke:var(--muted);
  stroke-width:1.6; stroke-linejoin:round; stroke-linecap:round; margin-bottom:4px;
}
.flow__node--hub{
  border-color:rgba(255,122,24,.45);
  background:linear-gradient(160deg, rgba(48,30,16,.62), rgba(16,13,12,.5));
  box-shadow:0 0 34px -14px rgba(255,122,24,.75), inset 0 1px 0 rgba(255,255,255,.06);
}
.flow__node--hub .flow__icon svg{ stroke:var(--orange); }
.flow__node--muted{ opacity:.72; }
.flow__tag{
  font-style:normal; font-family:var(--font-m); font-size:9px; letter-spacing:.14em;
  text-transform:uppercase; padding:3px 7px; border-radius:2px; margin-top:6px;
  border:1px solid var(--line-2); color:var(--faint);
}
.flow__tag--no{
  border-color:rgba(255,90,90,.4); color:#ff8080;
  background:rgba(255,80,80,.07);
}
.flow__tag--no::before{ content:"✕ "; }
.flow__tag--yes{
  border-color:rgba(255,122,24,.55); color:var(--orange); background:rgba(255,122,24,.09);
}
.flow__tag--yes::before{ content:"● "; }

.flow__link{
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:7px; padding:0 clamp(8px,1.4vw,20px); min-width:clamp(66px,8vw,124px);
}
.flow__link .mono{ font-size:9.5px; color:var(--faint); }
.flow__arrow{ width:100%; height:12px; overflow:visible; }
.flow__arrow line, .flow__arrow polyline{
  fill:none; stroke-width:1.4; stroke-linecap:round; stroke-linejoin:round;
}
.flow__link--in .mono{ color:var(--orange-2); }
.flow__link--in line{ stroke:var(--orange); stroke-dasharray:7 6; animation:dash 1.4s linear infinite; }
.flow__link--in polyline{ stroke:var(--orange); }
.flow__link--out .mono{ color:var(--blue); }
.flow__link--out line{ stroke:var(--blue); stroke-dasharray:7 6; animation:dash 1.4s linear infinite; }
.flow__link--out polyline{ stroke:var(--blue); }
@keyframes dash{ to{ stroke-dashoffset:-26; } }

.flow__note{
  color:var(--faint); line-height:1.7; letter-spacing:.1em;
  border-left:1px solid var(--line-2); padding-left:14px; margin:0;
}

/* brands we carry */
.brands{
  list-style:none; display:grid; grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px; padding:0; margin:0;
}
.brand{
  display:flex; flex-direction:column; align-items:stretch; gap:10px;
  padding:14px 14px 12px; border:1px solid var(--line); border-radius:3px;
  background:rgba(255,255,255,.022);
  transition:border-color .35s var(--ease), background .35s, transform .35s var(--ease);
}
/* official artwork is dark-on-light, so it sits on its own light plate rather
   than being recoloured — keeps every mark accurate and legible */
.brand__plate{
  display:flex; align-items:center; justify-content:center;
  height:54px; padding:9px 15px; box-sizing:border-box;
  border-radius:2px; background:#f2f4f7; opacity:.92;
  transition:background .35s, opacity .35s;
}
.brand__plate img{
  max-width:100%; max-height:100%; width:auto; height:auto;
  object-fit:contain; display:block;
}
/* the four lockups have very different aspect ratios — nudge the padding so
   they carry equal optical weight in the strip */
.brand__plate[data-brand="continental"]{ padding:9px 16px; }
.brand__plate[data-brand="pirelli"]    { padding:11px 24px; }
.brand__plate[data-brand="dunlop"]     { padding:11px 22px; }
.brand__plate[data-brand="bridgestone"]{ padding:9px 11px; }
.brand span{ color:var(--faint); font-size:9px; text-align:center; }
.brand:hover{ border-color:var(--line-2); background:rgba(255,255,255,.05); transform:translateY(-3px); }
.brand:hover .brand__plate{ background:#fff; opacity:1; }

/* 04 contact */
.section--contact{ min-height:100vh; padding-top:16vh; padding-bottom:0; display:flex; flex-direction:column; justify-content:space-between; }
.contact__grid{
  display:grid; grid-template-columns:minmax(0,1fr) minmax(0,440px) minmax(0,0.62fr);
  gap:clamp(28px,4vw,64px); align-items:start; padding-bottom:60px;
}
.contact__grid::after{ content:""; }   /* right lane reserved for the 3D tyre */
.contact__list{ list-style:none; padding:22px 0 0; margin:26px 0 0; border-top:1px solid var(--line); display:grid; gap:16px; }
.contact__list li{ display:grid; grid-template-columns:74px 1fr; gap:14px; align-items:start; }
.contact__list span{ color:var(--faint); padding-top:3px; }
.contact__list a{ color:var(--text); font-size:14.5px; transition:color .3s; }
.contact__list a:hover{ color:var(--orange); }
.contact__list a[aria-disabled]{ color:var(--muted); pointer-events:none; }

.card{
  background:linear-gradient(150deg, rgba(30,34,43,.78) 0%, rgba(14,17,22,.62) 100%);
  border:1px solid var(--line-2); border-radius:4px;
  backdrop-filter:blur(22px) saturate(150%); -webkit-backdrop-filter:blur(22px) saturate(150%);
  box-shadow:0 30px 80px -40px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.09);
  position:relative;
  padding:clamp(22px,2.6vw,34px);
}
.card::before{
  content:""; position:absolute; top:-1px; left:0; width:78px; height:2px;
  background:linear-gradient(90deg,var(--orange),transparent);
}
.form__title{ color:var(--muted); margin:0 0 22px; padding-bottom:14px; border-bottom:1px solid var(--line); }
.field{ position:relative; margin-bottom:20px; }
.field input, .field textarea{
  width:100%; background:rgba(255,255,255,.03); border:1px solid var(--line);
  border-radius:2px; padding:20px 14px 10px; color:var(--text); font:inherit; font-size:15px;
  transition:border-color .3s, background .3s, box-shadow .3s; resize:vertical;
}
.field textarea{ min-height:112px; }
.field label{
  position:absolute; left:14px; top:15px; color:var(--faint);
  font-family:var(--font-m); font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  pointer-events:none; transition:transform .25s var(--ease), color .25s, font-size .25s;
  transform-origin:left top;
}
.field input:focus, .field textarea:focus{
  outline:none; border-color:var(--orange); background:rgba(255,122,24,.05);
  box-shadow:0 0 0 3px rgba(255,122,24,.09);
}
.field input:focus + label, .field textarea:focus + label,
.field input:not(:placeholder-shown) + label, .field textarea:not(:placeholder-shown) + label{
  transform:translateY(-9px) scale(.84); color:var(--orange);
}
.field.has-error input, .field.has-error textarea{ border-color:#ff4d4d; background:rgba(255,77,77,.05); }
.field__err{ display:block; min-height:0; color:#ff6b6b; font-family:var(--font-m); font-size:10px; letter-spacing:.1em; text-transform:uppercase; margin-top:6px; opacity:0; transition:opacity .25s; }
.field.has-error .field__err{ opacity:1; }
.form__status{ margin:14px 0 0; min-height:16px; color:var(--blue); }
.form__status.is-err{ color:#ff6b6b; }

.foot{
  position:relative; color:var(--muted);
  margin:52px calc(var(--pad) * -1) 0; padding:0 var(--pad) 54px;
  background:#05070a;                     /* solid — nothing reads through */
}
.foot::before{                            /* soft lead-in above the plate */
  content:""; position:absolute; left:0; right:0; bottom:100%; height:56px;
  background:linear-gradient(180deg, rgba(5,7,10,0) 0%, rgba(5,7,10,.7) 62%, #05070a 100%);
  pointer-events:none;
}
.foot__bar{
  display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
  padding:20px 0; border-top:1px solid rgba(255,255,255,.13);
  color:var(--muted);
}
.foot__bar--sub{ padding:12px 0 0; border-top-color:rgba(255,255,255,.05); color:var(--faint); }
.foot__mid{ color:var(--faint); }
.foot__top{ transition:color .3s; }
.foot__top:hover{ color:var(--orange); }
.foot__by{ color:var(--blue); transition:color .3s, text-shadow .3s; }
.foot__by:hover{ color:#8ee6ff; text-shadow:0 0 16px rgba(47,210,255,.6); }

/* ═══════════ REVEAL ═══════════ */
[data-rv]{ opacity:0; transform:translateY(26px); }
.no-anim [data-rv]{ opacity:1; transform:none; }

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width:1200px){
  .hero__inner{ max-width:min(560px,52vw); }
  .about__inner{ max-width:min(520px,50vw); }
  .trade__grid{ grid-template-columns:minmax(0,1fr) minmax(0,0.42fr); }
}

/* ── stacked layout: the tyre gets its own band above / below the copy ── */
@media (max-width:999.98px){
  .hero__inner, .about__inner{ max-width:100%; }
  .section--trade{ min-height:auto; }
  .trade__grid{ position:static; height:auto; grid-template-columns:minmax(0,1fr); }
  .trade__main{ padding:13vh 0 36vh; max-width:100%; }
  .section--hero{ align-items:flex-end; }
  .hero__inner{ padding:44vh 0 7vh; }
  .section--about{ min-height:250vh; }
  .sticky{ align-items:flex-start; padding-top:9vh; }
  .about__inner{ padding-bottom:0; }
  .stats{ margin-bottom:14px; padding-top:18px; }
  .contact__grid{ grid-template-columns:minmax(0,1fr); padding-bottom:26px; }
  .contact__grid::after{ display:none; }
  .card{ max-width:520px; }
  .section--contact{ padding-top:13vh; padding-bottom:15vh; }
}

/* ── short desktop viewports (laptops, 16:10 and below) ─────── */
@media (min-width:1000px) and (max-height:820px){
  .trade__main{ padding:64px 0 22px; }
  .flow{ margin:22px 0 14px; }
  .flow__node{ padding:12px 13px 14px; }
  .flow__icon svg{ width:22px; height:22px; }
  .brand{ padding:11px 11px 9px; gap:8px; }
  .brand__plate{ height:46px; padding:8px 12px; }
  .trade__label{ margin:22px 0 12px; }
  .foot{ margin-top:26px; padding-bottom:40px; }
  .foot__bar{ padding:13px 0; }
  .foot::before{ height:40px; }
  .hero__inner{ padding:92px 0 66px; }
  .h1{ font-size:clamp(38px,5.3vw,80px); }
  .lede{ margin-bottom:14px; }
  .hero__copy{ margin-bottom:26px; }
  .hero__actions{ margin-bottom:26px; }
  .hero__spec{ padding-top:18px; }
  .hero__spec b{ font-size:22px; }
  .h2{ font-size:clamp(34px,4.5vw,64px); }
  .body{ margin-bottom:12px; }
  .stats{ padding-top:18px; margin-bottom:18px; }
  .section--contact{ padding-top:9vh; }
  .contact__grid{ padding-bottom:20px; gap:clamp(24px,3vw,48px); }
  .contact__list{ gap:12px; padding-top:16px; margin-top:18px; }
  .card{ padding:22px 24px; }
  .field{ margin-bottom:14px; }
  .field textarea{ min-height:84px; }
  .form__title{ margin-bottom:16px; padding-bottom:10px; }
  .scroll-cue{ bottom:30px; }
}

@media (max-width:760px){
  .nav__links{ display:none; }
  /* the flow reads top-to-bottom once there is no room to run across */
  .flow{ grid-template-columns:1fr; gap:0; }
  .flow__node{ align-items:flex-start; }
  .flow__link{ flex-direction:row; gap:12px; min-width:0; padding:10px 0 10px 18px; justify-content:flex-start; }
  .flow__arrow{ width:52px; transform:rotate(90deg); }
  .brands{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .foot__bar{ justify-content:center; text-align:center; }
  .foot__bar--sub{ padding-top:10px; }
  .hero__inner{ padding:35vh 0 4vh; }
  .section--about{ min-height:240vh; }
  .body{ font-size:14.3px; line-height:1.6; }
  .anatomy-hint{ font-size:10px; }
  .stats{ grid-template-columns:repeat(2,1fr); gap:22px 14px; }
  .hero__spec{ gap:22px; }
  .hud{ display:none; }
  .scroll-cue{ bottom:16px; }
  .callout__txt span{ display:none; }
  .foot__mid{ display:none; }
}

@media (max-width:520px){
  .btn{ padding:13px 20px; font-size:10.5px; }
  .hero__actions .btn{ flex:1 1 auto; }
  /* on a phone the lede + import/hub/export row carry the message; the long
     paragraph would push the spec row and the scroll cue below the fold */
  .hero__copy{ display:none; }
  .lede{ font-size:17px; margin-bottom:26px; }
  .scroll-cue{ display:none; }   /* the spec row runs to the fold on a phone */
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  [data-rv]{ opacity:1 !important; transform:none !important; }
}