:root {
  --bg: #fafaf9;
  --surface: #ffffff;
  --text: #1c1917;
  --muted: #57534e;
  --line: #e7e5e4;
  --accent: #c2410c;
  --accent-soft: #fff1e8;
  --radius: 12px;
}

:root[data-theme="dark"] {
  --bg: #0f0f10;
  --surface: #18181b;
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --line: #27272a;
  --accent: #fb923c;
  --accent-soft: #2a1a10;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 "Inter", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { font-family: "JetBrains Mono", monospace; font-weight: 600; text-decoration: none; }
.logo span { color: var(--accent); }
.nav nav { display: flex; align-items: center; gap: 20px; }
.nav nav a { text-decoration: none; color: var(--muted); font-size: 15px; }
.nav nav a:hover { color: var(--text); }
.theme-btn {
  background: none; border: 1px solid var(--line); color: var(--text);
  width: 34px; height: 34px; border-radius: 8px; cursor: pointer; font-size: 16px;
}

/* Hero */
.hero { padding: 96px 16px 48px; display: flex; gap: 40px; align-items: flex-start; }
.photo {
  width: 160px; height: 160px; border-radius: 50%; object-fit: cover; flex-shrink: 0;
  border: 3px solid var(--surface); box-shadow: 0 0 0 2px var(--accent);
}
.kicker { color: var(--accent); font-size: 14px; margin: 0 0 12px; }
h1 { font-size: clamp(40px, 8vw, 64px); line-height: 1.05; margin: 0; letter-spacing: -0.02em; }
.role { font-size: 22px; color: var(--muted); margin: 8px 0 20px; }
.lead { font-size: 18px; max-width: 620px; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  text-decoration: none; padding: 10px 18px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--surface); font-weight: 500; font-size: 15px;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
:root[data-theme="dark"] .btn.primary { color: #111; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding-bottom: 32px; }
.stat {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column; gap: 6px;
}
.stat b { font-family: "JetBrains Mono", monospace; font-size: 32px; color: var(--accent); line-height: 1; }
.stat span { font-size: 14px; color: var(--muted); line-height: 1.4; }

/* Sections */
.section { padding: 56px 16px; border-top: 1px solid var(--line); }
h2 { font-size: 28px; margin: 0 0 28px; letter-spacing: -0.01em; }
h2 .mono { color: var(--accent); font-size: 16px; margin-right: 8px; vertical-align: middle; }

/* Jobs */
.job { padding: 20px 0; }
.job + .job { border-top: 1px dashed var(--line); }
.job-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.job h3 { margin: 0; font-size: 19px; }
.at { color: var(--accent); font-weight: 500; }
.date { color: var(--muted); font-size: 13px; }
.job-sub { color: var(--muted); margin: 4px 0 10px; font-size: 15px; }
.job ul { margin: 0 0 12px; padding-left: 20px; }
.job li { margin: 4px 0; }
.job strong { color: var(--accent); font-weight: 600; }

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags i {
  font-style: normal; font-family: "JetBrains Mono", monospace; font-size: 12px;
  padding: 3px 8px; border-radius: 6px; background: var(--accent-soft); color: var(--accent);
}

/* Project cards */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column; gap: 12px;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { margin: 0; font-size: 17px; }
.card h3 a { text-decoration: none; }
.card h3 a:hover { color: var(--accent); }
.card h3 .arrow { color: var(--accent); font-size: 14px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; flex: 1; }
.links { display: flex; gap: 14px; font-size: 14px; font-weight: 500; }
.links a { color: var(--accent); text-decoration: none; }
.links a:hover { text-decoration: underline; }

/* Skills */
.skills { display: grid; grid-template-columns: 160px 1fr; gap: 12px 20px; margin: 0; }
.skills dt { font-weight: 600; }
.skills dd { margin: 0; color: var(--muted); }
.edu { margin: 28px 0 0; color: var(--muted); }
.edu .mono { color: var(--accent); font-size: 13px; margin-right: 10px; }

/* Contact */
.contact p { color: var(--muted); margin: 0 0 16px; }
.big-mail {
  font-size: clamp(20px, 4.5vw, 32px); font-weight: 700; text-decoration: none;
  color: var(--accent); word-break: break-all;
}
.big-mail:hover { text-decoration: underline; }

/* Footer */
.footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding: 24px 16px 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px;
}

/* Mobile */
@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: 1fr; }
  .skills { grid-template-columns: 1fr; gap: 2px; }
  .skills dd { margin-bottom: 12px; }
  .nav nav a:not(:last-of-type) { display: none; }
  .hero { padding-top: 40px; flex-direction: column; gap: 24px; }
  .photo { width: 112px; height: 112px; }
}