/* ============================================================
   SHARED STYLES — peterong.dev
   Common variables, reset, nav, footer, and animations
   ============================================================ */

:root {
  --bg: #0a0a0b;
  --surface: #141416;
  --border: #222225;
  --text: #e8e8e6;
  --text-dim: #9a9a9f;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --mono: 'JetBrains Mono', monospace;
  --serif: 'Instrument Serif', Georgia, serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.7;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* Nav */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px);
  background: rgba(10,10,11,0.8);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { width: 100%; }

.rss-link { display: flex; align-items: center; gap: 4px; }
.rss-link svg { opacity: 0.7; }
.rss-link:hover svg { opacity: 1; }

/* Section shared */
.section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

/* Footer */
footer {
  position: relative;
  z-index: 1;
  padding: 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-dim);
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.from-left { transform: translateX(-60px); }
.reveal.from-right { transform: translateX(60px); }
.reveal.scale-in { transform: scale(0.92); }

.reveal.visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.12s; }
.stagger-3 { transition-delay: 0.2s; }
.stagger-4 { transition-delay: 0.28s; }
.stagger-5 { transition-delay: 0.36s; }
.stagger-6 { transition-delay: 0.24s; }
.stagger-7 { transition-delay: 0.28s; }
.stagger-8 { transition-delay: 0.32s; }

/* Shared responsive */
@media (max-width: 768px) {
  nav { padding: 16px 20px; }
  .nav-links { gap: 20px; }
  .nav-links a { font-size: 11px; }
  footer { padding: 30px 20px; flex-direction: column; gap: 8px; }
}