/* ============================================================
   TorqCAD — torqcad.com
   Hand-written CSS. No framework, no build step.
   Design system: dark technical-product. All tokens at :root.
   ============================================================ */

@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-700.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}

:root {
  /* colour */
  --paper: #0b0d10;
  --panel: #11151a;
  --panel-2: #151a20;
  --ink: #ece9e4;
  --muted: #98a0aa;
  --border: #232a33;
  --accent: #ff6a2b;
  --red: #e8281c;
  --grad: linear-gradient(135deg, #e8281c 0%, #ff6a2b 100%);
  --grad-btn: linear-gradient(135deg, #c01508 0%, #e04a10 100%);

  /* type */
  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.25rem;
  --fs-lg: 1.625rem;
  --fs-xl: 2.25rem;
  --fs-xxl: clamp(2.5rem, 6vw, 4.25rem);

  /* space */
  --s-1: 0.25rem; --s-2: 0.5rem; --s-3: 1rem; --s-4: 1.5rem;
  --s-5: 2.5rem; --s-6: 4rem; --s-7: 6rem; --s-8: 8rem;

  --radius: 8px;
  --measure: 62ch;
  --wrap: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 var(--s-3);
}
h1 { font-size: var(--fs-xxl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-md); }

p { margin: 0 0 var(--s-3); max-width: var(--measure); }
a { color: var(--ink); }
img { max-width: 100%; height: auto; display: block; }

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

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--s-4); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--s-3);
}

.lede { font-size: var(--fs-md); color: var(--muted); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: var(--s-4);
}
.brand img { height: 26px; width: auto; }
.site-nav { display: flex; align-items: center; gap: var(--s-4); }
.site-nav a {
  font-size: var(--fs-sm); color: var(--muted); text-decoration: none;
}
.site-nav a:hover { color: var(--ink); }

.btn {
  display: inline-block;
  white-space: nowrap;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-sm);
  text-decoration: none;
  padding: 0.7em 1.5em;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--ink);
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--grad-btn);
  border: 1px solid rgba(0, 0, 0, 0.35);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.015em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}
.btn-primary:hover { box-shadow: 0 6px 24px rgba(232, 40, 28, 0.35); }
.btn-ghost:hover { border-color: var(--muted); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: min(86vh, 780px);
  display: flex; align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 64% 50%;
}
.hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg,
    rgba(11,13,16,0.96) 0%, rgba(11,13,16,0.86) 38%,
    rgba(11,13,16,0.48) 62%, rgba(11,13,16,0.12) 100%);
}
/* faint engineering grid over the dark left so it reads as designed space */
.hero-grid {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(236,233,228,0.055) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(236,233,228,0.055) 0 1px, transparent 1px 72px),
    radial-gradient(60% 80% at 12% 88%, rgba(232,40,28,0.10) 0%, transparent 70%);
  -webkit-mask-image: linear-gradient(90deg, #000 0%, #000 38%, transparent 72%);
  mask-image: linear-gradient(90deg, #000 0%, #000 38%, transparent 72%);
}
.hero .wrap { position: relative; z-index: 1; padding-top: var(--s-7); padding-bottom: var(--s-7); }
.hero h1 { max-width: none; }
.hero h1 .accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lede { max-width: 52ch; }
.hero-ctas { display: flex; gap: var(--s-3); margin-top: var(--s-5); flex-wrap: wrap; }

.hero-points {
  display: flex; gap: var(--s-5); flex-wrap: wrap;
  margin-top: var(--s-6);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--muted);
}
.hero-points span::before { content: "— "; color: var(--accent); }

/* ---------- sections ---------- */
.section { padding: var(--s-8) 0; }
.section + .section { border-top: 1px solid var(--border); }
.section-head { max-width: 720px; margin-bottom: var(--s-6); }

/* capability grid */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.cap {
  background: var(--panel);
  padding: var(--s-5);
}
.cap:hover { background: var(--panel-2); }
.cap .num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: var(--s-3);
}
.cap h3 { margin-bottom: var(--s-2); }
.cap p { font-size: var(--fs-sm); color: var(--muted); margin: 0; }

/* feature rows (image + copy) */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-6);
  align-items: center;
}
.feature + .feature { margin-top: var(--s-7); }
.feature .media {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
.feature.flip .media { order: 2; }
.feature .copy p { color: var(--muted); }
.feature ul {
  list-style: none; padding: 0; margin: var(--s-4) 0 0;
  font-size: var(--fs-sm); color: var(--muted);
}
.feature li { padding-left: 1.4em; position: relative; margin-bottom: var(--s-2); }
.feature li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 0.7em; height: 2px; background: var(--grad);
}

/* platform cards */
.plat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-4);
}
.plat {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--s-4);
  background: var(--panel);
}
.plat h3 { font-size: var(--fs-base); margin-bottom: var(--s-2); }
.plat p { font-size: var(--fs-sm); color: var(--muted); margin: 0; }

/* CTA panel */
.cta-panel {
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 2);
  background:
    radial-gradient(120% 160% at 85% 0%, rgba(232,40,28,0.16) 0%, rgba(255,106,43,0.05) 40%, transparent 70%),
    var(--panel);
  padding: var(--s-7) var(--s-6);
  text-align: center;
}
.cta-panel h2 { margin-bottom: var(--s-2); }
.cta-panel p { margin: 0 auto var(--s-5); color: var(--muted); }
.cta-panel .mono-note {
  display: block;
  margin-top: var(--s-4);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--s-6) 0;
  font-size: var(--fs-sm);
  color: var(--muted);
}
.site-footer .wrap {
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--s-4); flex-wrap: wrap;
}
.site-footer img { height: 18px; width: auto; opacity: 0.85; }
.site-footer nav { display: flex; gap: var(--s-4); }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }

/* ---------- legal pages ---------- */
.legal { padding: var(--s-7) 0; }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: var(--fs-xl); }
.legal h2 { font-size: var(--fs-md); margin-top: var(--s-5); }
.legal p, .legal li { color: var(--muted); font-size: var(--fs-sm); }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .plat-grid { grid-template-columns: repeat(2, 1fr); }
  .feature { grid-template-columns: 1fr; gap: var(--s-4); }
  .feature.flip .media { order: 0; }
  .section { padding: var(--s-7) 0; }
}
@media (max-width: 640px) {
  .site-nav a:not(.btn) { display: none; }
  .cap-grid { grid-template-columns: 1fr; }
  .plat-grid { grid-template-columns: 1fr; }
  .hero { min-height: 72vh; }
  .hero-bg { object-position: 78% 50%; }
  .hero-shade {
    background: linear-gradient(180deg,
      rgba(11,13,16,0.88) 0%, rgba(11,13,16,0.72) 55%, rgba(11,13,16,0.5) 100%);
  }
  .cta-panel { padding: var(--s-6) var(--s-4); }
}