/* =============================================================================
   Digital Media 24h — shared stylesheet
   Design tokens, base typography, layout primitives.
   ========================================================================== */

:root {
  --bg: #0b0d12;
  --bg-elev: #12141b;
  --bg-card: #171a21;
  --border: #252a35;
  --border-strong: #343a49;
  --fg: #e6e8ee;
  --fg-muted: #8a93a6;
  --fg-subtle: #5d6578;
  --accent: #7aa2ff;
  --accent-warm: #ffb84a;
  --danger: #ef6767;
  --success: #5fcf7f;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;

  --max-w: 1120px;
  --content-w: 720px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fbfaf7;
    --bg-elev: #ffffff;
    --bg-card: #ffffff;
    --border: #e6e2d8;
    --border-strong: #cec9ba;
    --fg: #1a1c22;
    --fg-muted: #5a6472;
    --fg-subtle: #8a93a3;
    --accent: #2d5fe0;
    --accent-warm: #c47b0d;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}
a:hover { border-bottom-color: currentColor; }

h1, h2, h3, h4 {
  font-family: 'Fraunces', 'Lora', ui-serif, Georgia, 'Times New Roman', serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-top: 2em; }
h3 { font-size: 1.25rem; margin-top: 1.5em; }

p { margin: 0 0 1em; }
strong { color: var(--fg); }

code, pre {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.92em;
}
code {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2em 0;
}

/* ---------- layout ---------- */

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.content {
  width: 100%;
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 0 24px;
}

main { flex: 1; padding: 48px 0 96px; }

/* ---------- header ---------- */

header.site {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
header.site .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  border: none;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-warm) 100%);
  display: grid;
  place-items: center;
  color: #0b0d12;
  font-weight: 800;
  font-size: 14px;
  font-family: 'Fraunces', serif;
}
nav.primary { display: flex; gap: 28px; font-size: 14px; }
nav.primary a { color: var(--fg-muted); border: none; }
nav.primary a:hover { color: var(--fg); }

/* ---------- hero ---------- */

section.hero {
  padding: 96px 0 64px;
  text-align: center;
}
section.hero .eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}
section.hero .lede {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 640px;
  margin: 16px auto 32px;
}
.cta-row { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  color: var(--fg);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
}
.btn:hover { border-color: var(--fg-muted); }
.btn.primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.btn.primary:hover { opacity: 0.9; }

/* ---------- feature grid ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 48px 0;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.card .tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.card h3 { margin: 0 0 10px; font-size: 1.15rem; }
.card p { color: var(--fg-muted); font-size: 0.95rem; margin: 0; }

/* ---------- posts list (editorial feel) ---------- */

.posts {
  max-width: 860px;
  margin: 64px auto;
  padding: 32px 36px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.posts h2 { margin: 0 0 24px; }
.post-item {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 20px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--border);
}
.post-item:first-of-type { border-top: 0; padding-top: 4px; }
.post-item .date {
  color: var(--fg-subtle);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.post-item .title {
  color: var(--fg);
  font-family: 'Fraunces', serif;
  font-size: 1.15rem;
  font-weight: 500;
  border: none;
}
.post-item .title:hover { color: var(--accent); }
.post-item .category {
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- about / quote ---------- */

.quote {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  line-height: 1.4;
  max-width: 720px;
  margin: 72px auto;
  text-align: center;
  color: var(--fg);
}
.quote .author {
  display: block;
  margin-top: 20px;
  font-size: 0.85rem;
  font-family: 'Inter', sans-serif;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---------- doc-style pages (privacy / terms) ---------- */

.doc h1 { margin-bottom: 8px; }
.doc .meta {
  color: var(--fg-muted);
  font-size: 14px;
  margin-bottom: 48px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.doc h2:first-of-type { margin-top: 0; }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin-bottom: 8px; }
.doc .callout {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin: 24px 0;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* ---------- footer ---------- */

footer.site {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--fg-muted);
  font-size: 14px;
}
footer.site .row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
}
footer.site .links { display: flex; gap: 20px; flex-wrap: wrap; }
footer.site .links a { color: var(--fg-muted); border: none; }
footer.site .links a:hover { color: var(--fg); }

/* ---------- small ---------- */

.small { font-size: 13px; color: var(--fg-muted); }

@media (max-width: 640px) {
  main { padding: 32px 0 64px; }
  section.hero { padding: 56px 0 32px; }
  .posts { padding: 24px 20px; margin: 40px 16px; }
  .post-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .post-item:first-of-type { padding-top: 18px; }
}