:root {
  --bg: #f5f2ec;
  --surface: #ffffff;
  --ink: #1a1714;
  --ink-soft: #6b6460;
  --ink-faint: #b8b0a8;
  --accent: #c8502a;
  --accent-pale: #f5e8e3;
  --border: #e2ddd8;
  --line: var(--border);
  --soft: #f6f3ef;
  --footer-ink: #786e68;
  --hero-bg: #1a1714;
  --hero-fg: #f5f2ec;
  --hero-tagline: #b8aa9e;
  --hero-link-border: rgba(245, 242, 236, 0.2);
  --hero-glow: radial-gradient(ellipse 80% 60% at 70% 50%, #3a2e1e 0%, transparent 70%);
  --theme-toggle-bg: #f6f3ef;
  --theme-toggle-hover: #ece6df;
  --theme-toggle-icon: #7b726b;
  --theme-toggle-text: #4a433d;
  --chip-bg: #f6f7f9;
  --chip-border: rgba(20, 20, 20, 0.08);
  --button-bg: #111;
  --button-border: rgba(20, 20, 20, 0.12);
  --button-fg: #fff;
  --mono: 'DM Mono', monospace;
  --serif: 'DM Serif Display', serif;
  --sans: 'DM Sans', sans-serif;
  --radius-sm: 4px;
  --radius-md: 18px;
  --shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

[data-theme='dark'] {
  --bg: #141311;
  --surface: #1e1b18;
  --ink: #f3eee8;
  --ink-soft: #c7bfb7;
  --ink-faint: #8f867f;
  --accent: #f77a50;
  --accent-pale: #3a2822;
  --border: #3a3530;
  --line: var(--border);
  --soft: #272320;
  --footer-ink: #ab9f94;
  --hero-bg: #2b221c;
  --hero-fg: #f3eee8;
  --hero-tagline: #c2b4a8;
  --hero-link-border: rgba(243, 238, 232, 0.28);
  --hero-glow: radial-gradient(ellipse 80% 60% at 70% 50%, #714129 0%, transparent 70%);
  --theme-toggle-bg: #2a2520;
  --theme-toggle-hover: #352f29;
  --theme-toggle-icon: #d0c4b9;
  --theme-toggle-text: #f3eee8;
  --chip-bg: #2a2520;
  --chip-border: rgba(255, 255, 255, 0.16);
  --button-bg: #f3eee8;
  --button-border: rgba(255, 255, 255, 0.3);
  --button-fg: #181512;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

.hero {
  background: var(--hero-bg);
  color: var(--hero-fg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-glow);
  pointer-events: none;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 40px 56px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
}
.hero-avatar {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
}
.hero-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 10px;
}
.hero-name {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
}
.hero-tagline {
  margin: 0 0 24px;
  font-size: 14px;
  color: var(--hero-tagline);
  font-weight: 300;
}
.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: 1px solid var(--hero-link-border);
  padding: 6px 14px;
  border-radius: 2px;
  transition: .2s;
}
.hero-link:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-inner::-webkit-scrollbar { display: none; }
.nav-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 16px 18px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.current { color: var(--ink); border-bottom-color: var(--accent); }
.theme-toggle {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--theme-toggle-text);
  border: 1px solid var(--border);
  background: var(--theme-toggle-bg);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.theme-toggle:hover {
  background: var(--theme-toggle-hover);
  border-color: var(--accent);
}
.theme-toggle-icon { color: var(--theme-toggle-icon); }

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 40px 80px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 56px;
  align-items: start;
}
main.single-column { grid-template-columns: 1fr; }
main > * { min-width: 0; }

section { margin-bottom: 52px; }
.section-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

footer {
  background: var(--ink);
  color: var(--footer-ink);
  text-align: center;
  padding: 28px 40px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

@media (max-width: 860px) {
  main { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-avatar { margin: 0 auto; }
  .hero-links { justify-content: center; }
}
@media (max-width: 600px) {
  .hero-inner { padding: 40px 24px 36px; }
  main { padding: 36px 20px 60px; }
  .nav-inner { padding: 0 16px; }
  .theme-toggle { margin-left: 8px; }
}