/* ═══════════════════════════════════════════════
   THE IPSUM LAB — Global Styles
   Font stack: Playfair Display (display) + DM Mono (body/UI)
═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400;1,700&family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300&display=swap');

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

/* ── Design Tokens ─────────────────────────── */
:root {
  --bg:           #F7F4EE;
  --bg-card:      #FDFBF7;
  --ink:          #1A1714;
  --ink-mid:      #5C5650;
  --ink-soft:     #9C9690;
  --border:       rgba(26,23,20,0.12);
  --border-strong:rgba(26,23,20,0.25);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  14px;
  --radius-xl:  20px;

  --shadow-card: 0 2px 12px rgba(26,23,20,0.07), 0 1px 3px rgba(26,23,20,0.05);
  --shadow-lift: 0 8px 32px rgba(26,23,20,0.12), 0 2px 8px rgba(26,23,20,0.07);

  /* Grain overlay via SVG data URI */
  --grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
}

/* ── Base ──────────────────────────────────── */
body {
  background-color: var(--bg);
  background-image: var(--grain);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Site Header ───────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(247,244,238,0.92);
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.site-logo span {
  font-style: italic;
  font-weight: 400;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mid);
  transition: color 0.2s;
}
.site-nav a:hover { color: var(--ink); }

/* ── Site Footer ───────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  margin-top: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer p {
  font-size: 0.75rem;
  color: var(--ink-soft);
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.75rem;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--ink); }

/* ── AD VISIBILITY TOGGLE ──────────────────────
   Currently set to 'none' — hides all ad slots sitewide.
   When AdSense is approved and code is in place:
     1. Paste your AdSense script into each page <head>
     2. Replace each ad placeholder comment with your ad unit code
     3. Delete the line below — all slots go live instantly.
─────────────────────────────────────────────── */
.ad-slot { display: none !important; }

/* ── Ad Slots ──────────────────────────────── */
.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26,23,20,0.03);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  color: var(--ink-soft);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ad-slot-leaderboard {
  width: 100%;
  max-width: 728px;
  height: 90px;
  margin: 0 auto 2.5rem;
}

.ad-slot-rectangle {
  width: 300px;
  height: 250px;
}

.ad-slot-mobile {
  width: 100%;
  max-width: 320px;
  height: 50px;
  margin: 0 auto;
  display: none;
}

/* ── Utility ───────────────────────────────── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

/* ── Page load animation ───────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeUp 0.5s ease both;
}

/* ── Responsive nav ────────────────────────── */
@media (max-width: 640px) {
  .site-header { padding: 0.875rem 1.25rem; }
  .site-nav { gap: 1rem; }
  .site-nav .nav-hide-mobile { display: none; }
  .ad-slot-leaderboard { display: none; }
  .ad-slot-mobile { display: flex; }
  .container { padding: 0 1.25rem; }
}
