/* ============================================================
   base.css — design tokens, reset, and body defaults
   ============================================================ */

/* ── DESIGN TOKENS (light mode) ── */
:root {
  --ink: #111010;
  --paper: #f5f2eb;
  --accent: #c0392b;
  --accent2: #2c3e6b;
  --muted: #7a7570;
  --border: #d8d3ca;
  --card: #faf8f4;
  --mono: 'DM Mono', monospace;
  --serif: 'DM Serif Display', serif;
  --sans: 'DM Sans', sans-serif;
}

/* ── DESIGN TOKENS (dark mode) ── */
html.dark {
  --ink: #e8e4dc;
  --paper: #18171a;
  --accent: #e05c4b;
  --accent2: #7b9fd4;
  --muted: #8a8480;
  --border: #2e2c30;
  --card: #201f23;
}

/* ── STARFIELD BACKGROUND (dark mode) ── */
html.dark body {
  background-image:
    /* Large stars */
    radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0)),
    radial-gradient(2px 2px at 60px 70px, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0)),
    radial-gradient(1px 1px at 50px 50px, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0)),
    radial-gradient(1px 1px at 130px 80px, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0)),
    radial-gradient(2px 2px at 90px 10px, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0)),
    radial-gradient(1px 1px at 130px 130px, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0)),
    radial-gradient(2px 2px at 10px 90px, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0)),
    radial-gradient(1px 1px at 40px 130px, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0)),
    /* Medium stars */
    radial-gradient(1px 1px at 15px 5px, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0)),
    radial-gradient(1px 1px at 80px 120px, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0)),
    radial-gradient(1px 1px at 25px 110px, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0)),
    radial-gradient(1px 1px at 110px 20px, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0));
  background-size: 200px 200px;
  background-attachment: fixed;
  background-color: var(--paper);
}

/* ── RESET ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── HTML ── */
html {
  scroll-behavior: smooth;
  transition: background 0.3s, color 0.3s;
}

/* ── BODY ── */
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
}

/* ── SECTION WRAPPER ── */
section {
  max-width: 960px;
  margin: 0 auto;
  padding: 3.5rem 2rem;
}

section h2 {
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 400;
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}

/* ── DIVIDER ── */
.section-divider {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
  border: none;
  border-top: 1px solid var(--border);
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero    { animation: fadeUp 0.6s ease both; }
section  { animation: fadeUp 0.6s ease both; animation-delay: 0.1s; }