/* ═══════════════════════════════════════════
   base.css — shared across all pages
   ═══════════════════════════════════════════ */

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

/* ─── tokens ─── */
:root {
  --bg:     #08080a;
  --text:   #e4e4ee;
  --muted:  #3c3c50;
  --dim:    #5a5a70;
  --accent: #ff6a00;
}

/* ─── base ─── */
html { height: 100%; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* grain texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ─── shared keyframes ─── */
@keyframes blink {
  0%, 87%, 100% { transform: scaleY(1); opacity: 1; }
  93%           { transform: scaleY(0.06); opacity: 0.5; }
}

@keyframes textBlink {
  0%, 87%, 100% { opacity: 1; }
  93%           { opacity: 0.3; }
}

/* ─── links ─── */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

/* ─── nav ─── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(to bottom, var(--bg) 60%, transparent);
}

.nav-eyes {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.nav-eye {
  width: 4px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 4px var(--accent), 0 0 10px rgba(255, 106, 0, 0.4);
  animation: blink 5.5s ease-in-out infinite;
}
.nav-eye:nth-child(2) { animation-delay: 0.06s; }

.nav-link {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  text-decoration: none;
  transition: color 0.2s;
  animation: textBlink 5.5s ease-in-out infinite;
}
.nav-link:hover { color: var(--accent); }

/* ─── content layout ─── */
.content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  margin: 0 auto;
  padding: 7rem 2rem 6rem;
}

.page-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

h1 {
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

/* ─── sections ─── */
.section {
  margin-bottom: 3rem;
}

.section h2 {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 106, 0, 0.08);
}

.section h2 .num {
  color: var(--accent);
  font-family: 'Space Mono', monospace;
  font-size: 1.3rem;
  margin-right: 0.6rem;
}

.section p,
.section li {
  font-size: 1.5rem;
  line-height: 1.8;
  color: var(--dim);
  font-weight: 300;
}

.section p + p {
  margin-top: 0.75rem;
}

.section ul {
  list-style: none;
  padding-left: 1rem;
  margin-top: 0.5rem;
}

.section ul li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.35rem;
}

.section ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

.section a {
  border-bottom: 1px solid rgba(255, 106, 0, 0.2);
  transition: border-color 0.2s;
}
.section a:hover {
  border-color: var(--accent);
}

.highlight {
  color: var(--text);
  font-weight: 500;
}

/* ─── separator ─── */
.sep {
  width: 28px;
  height: 1px;
  background: var(--muted);
  margin: 4rem 0;
}

/* ─── footer ─── */
.footer {
  font-family: 'Space Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 2rem 2rem;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer a:hover { color: var(--dim); }

/* ─── scrollbar ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--muted);
  border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover { background: var(--dim); }

/* ─── responsive ─── */
@media (max-width: 480px) {
  nav      { padding: 1.25rem 1.25rem; }
  .content { padding: 5.5rem 1.25rem 4rem; }
  .footer  { padding: 0 1.25rem 1.5rem; }
}

/* ─── reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0s !important;
    transition-duration: 0s !important;
  }
}