:root {
  --bg: #fdfdfc;
  --surface: #ffffff;
  --text: #18181b;
  --muted: #71717a;
  --border: #e7e5e4;
  --accent: #18181b;
  --accent-soft: #f4f4f5;
  --max-width: 880px;
  --radius: 8px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

/* Keyboard skip link — hidden until focused */
.skip-link {
  position: absolute;
  top: -48px;
  left: 12px;
  background: var(--text);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 500;
  z-index: 100;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 12px;
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

/* Visible focus indicator for keyboard users */
:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
  border-radius: 4px;
}

main:focus {
  outline: none;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(253, 253, 252, 0.85);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: 0.02em;
}

.site-header nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition);
}

.site-header nav a:hover {
  color: var(--text);
}

/* Hero */
.hero {
  padding: 96px 24px 64px;
}

.eyebrow {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

h1 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.title {
  font-size: 1.25rem;
  color: var(--muted);
  margin: 0 0 24px;
}

.lede {
  font-size: 1.1rem;
  color: var(--text);
  max-width: 60ch;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--text);
}

.btn-ghost:hover {
  background: var(--accent-soft);
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.85rem;
}

/* Sections */
.section {
  padding: 64px 24px;
  border-top: 1px solid var(--border);
}

.section h2 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  font-size: 1.85rem;
  letter-spacing: -0.01em;
  margin: 0 0 32px;
}

.section h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 12px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.section-head h2 {
  margin: 0;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
}

.about-text p {
  margin: 0 0 16px;
}

.about-side {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 24px;
}

.about-side ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about-side li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.about-side li:last-child {
  border-bottom: 0;
}

.about-side span {
  color: var(--muted);
}

@media (max-width: 640px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* Projects */
.projects {
  display: grid;
  gap: 20px;
}

.project {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition), transform var(--transition);
}

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

.project h3 {
  margin: 0 0 4px;
  font-size: 1.15rem;
}

.project-meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0 0 12px;
}

.project p {
  margin: 0 0 16px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.tags span {
  background: var(--accent-soft);
  color: var(--muted);
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
}

.project-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--text);
  padding-bottom: 1px;
}

/* Resume */
.resume-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.timeline li {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.timeline li:last-child {
  border-bottom: 0;
}

.timeline-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.timeline-head span {
  color: var(--muted);
  font-size: 0.9rem;
}

.timeline p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.mt {
  margin-top: 32px;
}

.skills {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skills li {
  background: var(--accent-soft);
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .resume-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* Contact */
.contact-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.contact-list li:last-child {
  border-bottom: 0;
}

.contact-list span {
  color: var(--muted);
  width: 90px;
  font-size: 0.9rem;
}

.contact-list a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.contact-list a:hover {
  border-bottom-color: var(--text);
}

/* Footer */
.site-footer {
  padding: 32px 24px 48px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}