/* ===========================================================
   BHAGAVATA CODEX — base.css
   Design tokens, reset, typography, layout primitives.
   =========================================================== */

:root {
  /* Palette */
  --c-night: #0a0f2c;
  --c-night-2: #0d1437;
  --c-deep: #141a3a;
  --c-deep-2: #1a2150;
  --c-saffron: #ff8c1a;
  --c-saffron-soft: #ffb066;
  --c-gold: #d4a017;
  --c-gold-soft: #f0c95f;
  --c-peacock: #1f7a8c;
  --c-peacock-soft: #43c0d4;
  --c-lotus: #f6c5d5;
  --c-tulasi: #2f7d3a;
  --c-parchment: #f7efe3;
  --c-parchment-dim: #d8cdb8;
  --c-ink: #1a1410;
  --c-border: rgba(212, 160, 23, 0.25);
  --c-border-strong: rgba(240, 201, 95, 0.55);
  --c-glass: rgba(20, 26, 58, 0.55);
  --c-glass-strong: rgba(20, 26, 58, 0.78);

  /* Type scale */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 3rem;
  --fs-4xl: 4rem;
  --fs-5xl: 5.5rem;

  /* Spacing scale */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 1rem;
  --s-4: 1.5rem;
  --s-5: 2rem;
  --s-6: 3rem;
  --s-7: 4rem;
  --s-8: 6rem;
  --s-9: 8rem;

  /* Radii / shadows */
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 999px;

  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-hard: 0 18px 50px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 40px rgba(255, 140, 26, 0.18);

  /* Fonts */
  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-mono-display: "Marcellus", "Cormorant Garamond", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-sa: "Noto Serif Devanagari", "Cormorant Garamond", serif;

  /* Layout */
  --max-w: 1280px;
  --max-w-narrow: 880px;
  --nav-h: 68px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--c-parchment);
  background: var(--c-night);
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: var(--c-gold-soft); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--c-saffron-soft); }
ul, ol { list-style: none; }

/* Typography */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: 0.005em;
  color: var(--c-parchment);
}
h1 { font-size: clamp(2.4rem, 5vw + 1rem, var(--fs-5xl)); font-weight: 600; }
h2 { font-size: clamp(1.8rem, 2.4vw + 1rem, var(--fs-3xl)); }
h3 { font-size: clamp(1.35rem, 1vw + 1rem, var(--fs-xl)); }
h4 { font-size: var(--fs-lg); }
h5 { font-size: var(--fs-md); }

p { color: var(--c-parchment-dim); }
strong { color: var(--c-parchment); font-weight: 600; }

.sa {
  font-family: var(--font-sa);
  color: var(--c-gold-soft);
  letter-spacing: 0.01em;
  line-height: 1.5;
}
.iast {
  font-style: italic;
  color: var(--c-parchment);
  letter-spacing: 0.01em;
}
.caps {
  font-family: var(--font-mono-display);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: var(--fs-xs);
  color: var(--c-gold-soft);
}

/* Layout primitives */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
}
.container--narrow {
  max-width: var(--max-w-narrow);
}
section {
  padding: clamp(3rem, 8vw, var(--s-8)) 0;
  position: relative;
}
.section-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  margin-bottom: var(--s-3);
  color: var(--c-gold-soft);
}
.section-eyebrow::before,
.section-eyebrow::after {
  content: "";
  height: 1px;
  width: clamp(40px, 10vw, 120px);
  background: linear-gradient(90deg, transparent, var(--c-border-strong), transparent);
}
.section-title {
  text-align: center;
  margin-bottom: var(--s-3);
}
.section-lede {
  text-align: center;
  max-width: 60ch;
  margin: 0 auto var(--s-6);
  color: var(--c-parchment-dim);
  font-size: var(--fs-md);
}
.section-divider {
  text-align: center;
  margin: var(--s-6) auto;
  color: var(--c-gold-soft);
  letter-spacing: 0.5em;
  font-size: var(--fs-md);
}

/* Accessibility */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--c-saffron);
  color: var(--c-ink);
  padding: var(--s-2) var(--s-3);
  border-radius: var(--r-sm);
  font-weight: 600;
  z-index: 100;
}
.skip-link:focus { left: var(--s-3); top: var(--s-3); }

:focus-visible {
  outline: 2px solid var(--c-gold-soft);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
  will-change: opacity, transform;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}