:root {
  --cream: #F2EFE7;
  --navy: #0D1B2A;
  --terracotta: #B24A2E;
  --sage: #5C7A6A;
  --gold: #C9A46A;

  --navy-soft: rgba(13, 27, 42, 0.72);
  --navy-hairline: rgba(13, 27, 42, 0.12);

  --font-serif: 'IBM Plex Serif', Georgia, 'Times New Roman', serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', 'Courier New', monospace;

  --content-width: 820px;
  --gutter: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--navy);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 3px;
}

/* Header / Nav */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(242, 239, 231, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--navy-hairline);
}

.site-nav {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-mark {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--navy);
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.site-nav a[data-nav] {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--navy-soft);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.site-nav a[data-nav]:hover,
.site-nav a[data-nav].is-active {
  color: var(--terracotta);
  border-bottom-color: var(--terracotta);
}

/* Layout */

main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: 44px 0;
  border-top: 1px solid var(--navy-hairline);
  scroll-margin-top: 72px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage);
  margin: 0 0 22px;
  position: relative;
  padding-left: 16px;
}

.eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 1px;
  background: var(--gold);
}

.section-body {
  font-size: 16px;
}

.placeholder-note {
  font-style: italic;
  color: var(--navy-soft);
}

/* Hero */

.hero {
  padding: 96px 0 56px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 50px;
  line-height: 1.1;
  margin: 0 0 20px;
}

.hero .tagline {
  font-size: 19px;
  color: var(--navy-soft);
  margin: 0;
}

/* Experience timeline */

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

.timeline-entry {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--navy-hairline);
}

.timeline-entry:first-child {
  border-top: none;
  padding-top: 0;
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12.5px;
  color: var(--sage);
  letter-spacing: 0.02em;
  padding-top: 3px;
}

.timeline-content h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 4px;
}

.timeline-org {
  font-weight: 500;
  color: var(--terracotta);
  margin: 0 0 4px;
}

.timeline-role {
  color: var(--navy-soft);
  font-size: 14.5px;
  margin: 0 0 10px;
}

.timeline-content p:last-child {
  margin: 0;
}

/* Projects, Writing & Publications */

.project-list,
.writing-list,
.pub-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.project-entry,
.writing-entry,
.pub-entry {
  padding: 24px 0;
  border-top: 1px solid var(--navy-hairline);
}

.project-entry:first-child,
.writing-entry:first-child,
.pub-entry:first-child {
  border-top: none;
  padding-top: 0;
}

.project-entry h3,
.writing-entry h3,
.pub-entry h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 6px;
}

.project-entry h3 a,
.writing-entry h3 a {
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.project-entry h3 a:hover,
.writing-entry h3 a:hover {
  color: var(--terracotta);
  border-bottom-color: var(--terracotta);
}

.project-entry p,
.writing-entry p,
.pub-entry p {
  margin: 0;
  color: var(--navy-soft);
}

.writing-entry .writing-meta,
.pub-entry .pub-meta {
  font-size: 12.5px;
  color: var(--sage);
  margin: 0 0 8px;
}

.pub-meta em {
  font-style: italic;
}

.pub-note {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--sage);
}

.pub-note a {
  color: var(--terracotta);
}

/* Footer */

.site-footer {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 40px var(--gutter) 80px;
  border-top: 1px solid var(--navy-hairline);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 0 0 16px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-links a {
  text-decoration: none;
  color: var(--navy-soft);
  transition: color 0.15s ease;
}

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

.footer-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sage);
  margin: 0;
}

/* Responsive */

@media (max-width: 600px) {
  .hero {
    padding: 64px 0 40px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero .tagline {
    font-size: 17px;
  }

  .section {
    padding: 32px 0;
  }

  .timeline-entry {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .timeline-meta {
    flex-direction: row;
    gap: 12px;
  }

  .site-nav ul {
    gap: 14px;
  }
}