/* ==========================================================
   Design tokens — change these to re-theme the whole site.
   Light-default editorial palette (cream page, white cards),
   with a dark variant toggled via [data-theme="dark"] on <html>.
   ========================================================== */
:root {
  --bg: #f3f1ea;
  --bg-topbar: #ffffff;
  --bg-card: #ffffff;
  --border: #e3e0d4;
  --text: #15171a;
  --text-muted: #666a72;
  --accent: #2f5fe3;
  --accent-tint: #eaf0fd;
  --shadow: 0 1px 2px rgba(20, 20, 30, 0.04), 0 12px 24px -10px rgba(20, 20, 30, 0.12);
  --radius: 20px;
  --radius-sm: 12px;
  --font-serif: 'Source Serif 4', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --max-width: 800px;
}

html[data-theme="dark"] {
  --bg: #0c0d10;
  --bg-topbar: #121317;
  --bg-card: #17181d;
  --border: #272930;
  --text: #ebe9e4;
  --text-muted: #9a9ca3;
  --accent: #7fa2ff;
  --accent-tint: #1b2440;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 24px -10px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.15s ease, color 0.15s ease;
}

a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: border-color 0.15s ease, color 0.15s ease;
}

a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75em;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px max(24px, calc((100% - var(--max-width)) / 2));
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  border: none;
}

.logo svg { display: block; }

.logo .wordmark {
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: 0.01em;
}

.logo .wordmark b { font-weight: 700; }
.logo .wordmark span { color: var(--text-muted); font-weight: 500; }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.topbar nav {
  display: flex;
  gap: 18px;
}

.topbar nav a {
  font-family: var(--font-mono);
  font-size: 14px;
  border: none;
  color: var(--text-muted);
}

.topbar nav a:hover { color: var(--accent); }

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
}

.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

html[data-theme="dark"] .icon-moon { display: none; }
.icon-sun { display: none; }
html[data-theme="dark"] .icon-sun { display: block; }

/* Layout */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
  border-top: 1px solid var(--border);
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 0.4em;
}

h2 { font-size: 32px; margin-bottom: 32px; }
h3 { font-size: 19px; letter-spacing: -0.005em; }

/* Hero */
.hero {
  padding: 56px 0 56px;
}

.hero h1 {
  font-size: 44px;
  font-weight: 600;
  margin-bottom: 0.3em;
}

.hero .role {
  color: var(--text-muted);
  font-size: 18px;
  margin: 0 0 1.2em;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 2em;
}

.pill {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: var(--accent-tint);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 0 0 2.2em;
}

.stat {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 16px 14px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.stat:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 0.2em;
}

.stat-label {
  font-size: 12.5px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.cta-row a {
  font-family: var(--font-mono);
  font-size: 14px;
}

/* Card components — Focus + Projects share this language:
   white card, divider, icon swatch on the right. */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.profiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.card, .profile {
  display: flex;
  align-items: stretch;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover, .profile:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 1px 2px rgba(20, 20, 30, 0.04), 0 16px 28px -10px rgba(47, 95, 227, 0.25);
}

.card-body, .profile-body {
  flex: 1;
  min-width: 0;
}

.card .tag {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 0 0.4em;
}

.card h3, .profile h3 {
  font-size: 17px;
  margin-bottom: 0.3em;
}

.card p:last-child, .profile p:last-child {
  color: var(--text-muted);
  margin: 0;
  font-size: 14.5px;
}

.card-divider, .profile-divider {
  width: 1px;
  background: var(--border);
  flex-shrink: 0;
}

.card-icon, .profile-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  align-self: center;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-svg {
  display: block;
  width: 28px;
  height: 28px;
  object-fit: contain;
}

/* Footer */
footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-bottom: 16px;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 14px;
  border: none;
  color: var(--text-muted);
}

.footer-links a:hover { color: var(--accent); }

.footer-note {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

@media (max-width: 680px) {
  .topbar nav { display: none; }
  .hero h1 { font-size: 34px; max-width: 100%; }
  .grid { grid-template-columns: 1fr; }
  .profiles { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .card-icon, .profile-icon { width: 46px; height: 46px; }
  .icon-svg { width: 22px; height: 22px; }
}