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

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

:root {
  --bg:        #F7F5F0;
  --surface:   #FFFFFF;
  --border:    #E2DED8;
  --text:      #1A1814;
  --muted:     #7A756D;
  --accent:    #1A1814;
  --tag-bg:    #EDEAE4;
  --tag-text:  #4A4640;
  --serif:     'DM Serif Display', Georgia, serif;
  --sans:      'DM Sans', sans-serif;
  --mono:      'DM Mono', monospace;
  --radius:    6px;
  --max-w:     860px;
  --nav-h:     56px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ── Nav ── */
nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(247,245,240,0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px;
}

.nav-logo {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex; gap: 4px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}

.nav-links a:hover { color: var(--text); background: var(--tag-bg); }
.nav-links a.active { color: var(--text); font-weight: 500; }

/* ── Layout ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

/* ── Utility ── */
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.tag {
  display: inline-block;
  font-size: 11px;
  font-family: var(--mono);
  padding: 3px 8px;
  border-radius: 3px;
  background: var(--tag-bg);
  color: var(--tag-text);
  letter-spacing: 0.02em;
}
.divider { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

/* ── Fade-in animation ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade { animation: fadeUp 0.5s ease both; }
.fade-1 { animation-delay: 0.05s; }
.fade-2 { animation-delay: 0.12s; }
.fade-3 { animation-delay: 0.20s; }
.fade-4 { animation-delay: 0.28s; }
.fade-5 { animation-delay: 0.36s; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 32px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--mono);
  margin-top: 80px;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  nav { padding: 0 18px; }
  .container { padding: 0 18px; }
  .nav-logo { font-size: 16px; }
}