/* ColdOcean.io — BOLD rebuild
   Obsidian black · molten orange · industrial yellow
   Wide display type · heavy weights · sharp edges · dense grid */

:root {
  --co-bg: #0a0a0a;
  --co-bg-2: #111111;
  --co-bg-3: #1a1a1a;
  --co-surface: #141414;
  --co-ink: #f5f2ec;
  --co-ink-soft: #b8b2a7;
  --co-muted: #7a7468;
  --co-line: #262626;
  --co-line-soft: #1c1c1c;

  /* Accents */
  --co-flame: #ff5a1f;        /* primary molten orange */
  --co-flame-deep: #d94514;
  --co-amber: #ffa726;
  --co-acid: #e4ff3f;          /* industrial hi-vis yellow-green */
  --co-blood: #b91c1c;

  --co-radius: 4px;
  --co-radius-lg: 8px;

  --co-font-display: "Archivo Black", "Inter", sans-serif;
  --co-font-body: "Space Grotesk", "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --co-font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; background: var(--co-bg); }

.co-root {
  font-family: var(--co-font-body);
  color: var(--co-ink);
  background: var(--co-bg);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}

/* Display type — wide, heavy, uppercase */
.co-display {
  font-family: var(--co-font-display);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.92;
}

.co-h1 {
  font-family: var(--co-font-display);
  text-transform: uppercase;
  font-size: clamp(44px, 6.4vw, 104px);
  letter-spacing: -0.035em;
  line-height: 0.9;
  margin: 0;
}
.co-h2 {
  font-family: var(--co-font-display);
  text-transform: uppercase;
  font-size: clamp(40px, 6vw, 88px);
  letter-spacing: -0.025em;
  line-height: 0.92;
  margin: 0;
}
.co-h3 {
  font-family: var(--co-font-display);
  text-transform: uppercase;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: -0.01em;
  line-height: 1;
  margin: 0;
}
.co-lead {
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--co-ink-soft);
  line-height: 1.5;
  max-width: 620px;
  text-wrap: pretty;
  margin: 0;
}

.co-mono { font-family: var(--co-font-mono); }

.co-flame { color: var(--co-flame); }
.co-acid  { color: var(--co-acid); }

/* Nav + buttons */
.co-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border-radius: var(--co-radius);
  background: var(--co-ink);
  color: var(--co-bg);
  font-family: var(--co-font-body);
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border: none; cursor: pointer;
  text-decoration: none;
  transition: transform .2s cubic-bezier(.2,.7,.3,1), background .2s, color .2s;
}
.co-btn.co-btn-primary {
  background: var(--co-flame);
  color: #0a0a0a;
  box-shadow: 0 0 0 1px var(--co-flame), 0 10px 30px rgba(255,90,31,0.25);
}
.co-btn.co-btn-primary:hover { background: var(--co-amber); box-shadow: 0 0 0 1px var(--co-amber), 0 14px 40px rgba(255,167,38,0.35); }
.co-btn.co-btn-ghost {
  background: transparent;
  color: var(--co-ink);
  border: 1px solid var(--co-line);
}
.co-btn.co-btn-ghost:hover { border-color: var(--co-flame); color: var(--co-flame); }

.co-btn .arrow { transition: transform .2s; }
.co-btn:hover .arrow { transform: translateX(3px); }

/* Section chrome */
.co-section { padding: 110px 0; position: relative; }
.co-section--tight { padding: 70px 0; }
.co-container { max-width: 1440px; margin: 0 auto; padding: 0 40px; }

.co-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--co-font-mono);
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--co-flame);
  padding: 6px 10px;
  border: 1px solid var(--co-flame);
  border-radius: var(--co-radius);
  background: rgba(255,90,31,0.06);
}
.co-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--co-flame);
  box-shadow: 0 0 10px var(--co-flame);
  animation: co-pulse 1.6s ease-in-out infinite;
}
@keyframes co-pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.8); }
}

/* Card (dark, sharp) */
.co-card {
  background: var(--co-surface);
  border: 1px solid var(--co-line);
  border-radius: var(--co-radius);
  transition: border-color .25s, transform .25s cubic-bezier(.2,.7,.3,1), background .25s;
}
.co-card:hover {
  border-color: var(--co-flame);
  transform: translateY(-2px);
}

/* Grid backdrop */
.co-grid-bg {
  background-image:
    linear-gradient(var(--co-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--co-line) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
  opacity: 0.4;
}

/* Scanline / tape accent */
.co-tape {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--co-font-mono);
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--co-bg);
  background: var(--co-acid);
  padding: 4px 8px;
  border-radius: 2px;
  font-weight: 600;
}

/* Marquee */
.co-marquee {
  display: flex;
  overflow: hidden;
}
.co-marquee-track {
  display: flex;
  gap: 0;
  animation: co-marquee 50s linear infinite;
  flex-shrink: 0;
}
@keyframes co-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Scroll reveal */
.co-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s cubic-bezier(.2,.7,.3,1), transform .8s cubic-bezier(.2,.7,.3,1);
}
.co-reveal.in { opacity: 1; transform: none; }

/* Tweaks panel */
.co-tweaks {
  position: fixed; right: 20px; bottom: 20px; width: 270px;
  background: var(--co-surface);
  border: 1px solid var(--co-line);
  border-radius: var(--co-radius);
  padding: 16px;
  font-family: var(--co-font-body);
  font-size: 12px;
  color: var(--co-ink-soft);
  z-index: 100;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.co-tweaks h4 {
  margin: 0 0 12px;
  font-family: var(--co-font-mono);
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--co-flame);
}
.co-tweaks label { display: flex; justify-content: space-between; align-items: center; margin: 8px 0; }
.co-tweaks input[type="range"] { width: 120px; accent-color: var(--co-flame); }
.co-tweaks .swatches { display: flex; gap: 6px; }
.co-tweaks .swatch {
  width: 20px; height: 20px; border-radius: 3px;
  border: 2px solid transparent; cursor: pointer;
  transition: transform .15s;
}
.co-tweaks .swatch:hover { transform: scale(1.15); }
.co-tweaks .swatch.active { border-color: var(--co-ink); }

/* Cursor */
.co-cursor {
  position: fixed; pointer-events: none;
  width: 28px; height: 28px;
  border: 1.5px solid var(--co-flame);
  transform: translate(-50%, -50%);
  transition: width .2s, height .2s, background .2s;
  z-index: 9999;
}
.co-cursor.hover {
  width: 56px; height: 56px;
  background: rgba(255,90,31,0.08);
}

/* Selection */
::selection { background: var(--co-flame); color: #0a0a0a; }

/* ─────────────────────────────────────────────────────
   Mobile responsive layer
   Overrides inline JSX styles using attribute selectors.
   ───────────────────────────────────────────────────── */

/* Tablet breakpoint */
@media (max-width: 1024px) {
  .co-container { padding: 0 28px; }
  .co-section { padding: 80px 0; }
  .co-section--tight { padding: 50px 0; }

  /* Collapse 3/4/6-col grids to 2-col */
  [style*="gridTemplateColumns: 'repeat(4"],
  [style*="gridTemplateColumns: 'repeat(6"],
  [style*="gridTemplateColumns: 'repeat(3"],
  [style*="gridTemplateColumns:'repeat(4"],
  [style*="gridTemplateColumns:'repeat(6"],
  [style*="gridTemplateColumns:'repeat(3"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Reduce complex ratio grids */
  [style*="gridTemplateColumns: '2fr 1fr 1fr 1fr'"],
  [style*="gridTemplateColumns: '240px 1fr'"] {
    grid-template-columns: 1fr 1fr !important;
    gap: 32px !important;
  }
}

/* Mobile breakpoint */
@media (max-width: 720px) {
  .co-container { padding: 0 20px; }
  .co-section { padding: 56px 0; }
  .co-section--tight { padding: 36px 0; }

  .co-h1 { font-size: clamp(36px, 10vw, 56px); }
  .co-h2 { font-size: clamp(32px, 9vw, 48px); }
  .co-h3 { font-size: clamp(18px, 5vw, 22px); }
  .co-lead { font-size: 15px; }

  /* Collapse every multi-col inline grid to single column */
  [style*="gridTemplateColumns"] {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  /* Nav — stack and shrink */
  nav[style*="padding: '18px 40px'"] {
    padding: 14px 20px !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
  }
  nav[style*="padding: '18px 40px'"] > div[style*="gap: 32"] {
    gap: 16px !important;
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    padding-top: 8px;
    border-top: 1px solid var(--co-line);
  }

  /* Buttons — let them shrink */
  .co-btn {
    padding: 12px 16px;
    font-size: 12px;
  }

  /* Hide the tweaks panel on small screens — it dominates */
  .co-tweaks { display: none !important; }

  /* Hide custom cursor on touch devices */
  .co-cursor { display: none !important; }

  /* Bordered dense grids: remove internal borders that collapsed */
  [style*="border: '1px solid var(--co-line)'"][style*="gridTemplateColumns"] > * {
    border-right: none !important;
    border-bottom: 1px solid var(--co-line) !important;
  }

  /* Prevent horizontal overflow from huge display type */
  body, .co-root { overflow-x: hidden; }

  /* Tables / wide content scroll horizontally instead of breaking layout */
  pre, code { max-width: 100%; overflow-x: auto; }

  /* Large inline paddings used in heroes */
  [style*="padding: '110px"],
  [style*="padding:'110px"] { padding: 60px 0 !important; }
  [style*="padding: '80px"],
  [style*="padding:'80px"] { padding: 48px 0 !important; }
}

/* Touch-device tweaks */
@media (hover: none) and (pointer: coarse) {
  .co-cursor { display: none !important; }
  .co-card:hover { transform: none; }
}

/* ─────────────────────────────────────────────────────
   Blog — index card + post body typography
   ───────────────────────────────────────────────────── */

.co-post-card {
  position: relative;
}
.co-post-card img {
  filter: grayscale(0.25) contrast(1.05);
  transition: transform .5s cubic-bezier(.2,.7,.3,1), filter .3s;
}
.co-post-card:hover img {
  transform: scale(1.03);
  filter: grayscale(0) contrast(1.1);
}

.co-post-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.72;
  color: var(--co-ink-soft);
}
.co-post-body > :first-child { margin-top: 0; }
.co-post-body > :last-child  { margin-bottom: 0; }

.co-post-body p {
  margin: 0 0 20px;
  color: var(--co-ink-soft);
}
.co-post-body p + p { margin-top: 0; }

.co-post-body h2 {
  font-family: var(--co-font-display);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.05;
  font-size: 28px;
  color: var(--co-ink);
  margin: 52px 0 20px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--co-flame);
}
.co-post-body h3 {
  font-family: var(--co-font-display);
  text-transform: uppercase;
  letter-spacing: -0.005em;
  line-height: 1.15;
  font-size: 20px;
  color: var(--co-ink);
  margin: 36px 0 14px;
}

.co-post-body blockquote {
  border-left: 3px solid var(--co-flame);
  padding: 8px 22px;
  margin: 32px 0;
  color: var(--co-ink);
  font-size: 19px;
  line-height: 1.55;
  font-style: italic;
  background: rgba(255,90,31,0.04);
}

.co-post-body code {
  font-family: var(--co-font-mono);
  background: var(--co-bg-2);
  color: var(--co-acid);
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 14px;
  border: 1px solid var(--co-line-soft);
}
.co-post-body pre {
  font-family: var(--co-font-mono);
  background: var(--co-bg-2);
  border: 1px solid var(--co-line);
  border-radius: 4px;
  padding: 18px 20px;
  overflow-x: auto;
  margin: 28px 0;
  font-size: 13px;
  line-height: 1.55;
}
.co-post-body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--co-ink);
  font-size: 13px;
}

.co-post-body a {
  color: var(--co-flame);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.co-post-body a:hover { color: var(--co-amber); }

.co-post-body ul,
.co-post-body ol {
  padding-left: 22px;
  margin: 0 0 22px;
}
.co-post-body li {
  margin-bottom: 8px;
}

.co-post-body img {
  max-width: 100%;
  border: 1px solid var(--co-line);
  border-radius: 4px;
  margin: 32px 0;
  display: block;
}

.co-post-body em { color: var(--co-ink); font-style: italic; }
.co-post-body strong { color: var(--co-ink); font-weight: 600; }

@media (max-width: 720px) {
  .co-post-body { font-size: 16px; }
  .co-post-body h2 { font-size: 24px; margin-top: 40px; }
  .co-post-body h3 { font-size: 18px; margin-top: 28px; }
  .co-post-body blockquote { font-size: 17px; padding: 6px 16px; }
  .co-post-body pre { font-size: 12px; padding: 14px 16px; }
}