:root {
  --ink: #14171a;
  --paper: #f2f0ea;
  --accent: #2e5c4d;
  --muted: #6b6f73;
  --line: #d8d5cc;

  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
}

.wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Header */

.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  color: var(--accent);
}

.site-header nav a {
  margin-left: 24px;
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
}

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

/* Hero */

.hero {
  padding: 96px 0 72px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 0 0 18px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 44px;
  line-height: 1.15;
  margin: 0 0 24px;
  max-width: 14ch;
}

.lede {
  font-size: 17px;
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 32px;
}

.cta {
  display: inline-block;
  padding: 11px 22px;
  background: var(--accent);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  border-radius: 2px;
}

.cta:hover {
  opacity: 0.9;
}

/* Sections */

section.work,
section.about,
section.contact {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

h2 {
  font-family: var(--font-display);
  font-size: 24px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 28px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

/* Work grid */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.4);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* About / Contact */

.about p,
.contact p {
  max-width: 60ch;
  color: var(--muted);
}

.contact a {
  color: var(--accent);
  font-weight: 600;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 40px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}

/* Responsive */

@media (max-width: 600px) {
  .hero {
    padding: 64px 0 48px;
  }
  .hero h1 {
    font-size: 32px;
  }
  .site-header nav a {
    margin-left: 14px;
  }
  .site-footer .wrap {
    flex-direction: column;
    gap: 6px;
  }
}

/* Reduced motion */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Case study / subpages */

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 22px;
}

.breadcrumb:hover {
  color: var(--accent);
}

.site-header nav a.active {
  color: var(--accent);
}

.page-intro {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--line);
}

.page-intro h1 {
  font-family: var(--font-display);
  font-size: 38px;
  line-height: 1.2;
  margin: 0 0 20px;
  max-width: 18ch;
}

section.case-block {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

section.case-block p {
  max-width: 60ch;
  color: var(--muted);
}

/* Role-progression timeline */

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

.timeline li {
  border-left: 2px solid var(--line);
  padding: 4px 0 28px 22px;
}

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

.timeline .t-date {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.timeline h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 6px 0 8px;
}

.timeline p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  max-width: 56ch;
}

/* Stats row */

.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
}

.stat .num {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--ink);
}

.stat .label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
  max-width: 18ch;
}

.note {
  font-size: 13px;
  color: var(--muted);
  font-style: italic;
  margin-top: 22px;
}

@media (max-width: 600px) {
  .page-intro {
    padding: 56px 0 40px;
  }
  .page-intro h1 {
    font-size: 28px;
  }
  .stats-row {
    gap: 24px;
  }
}

/* About subheads */

.subhead {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
  margin: 36px 0 16px;
}

/* Inline links inside work cards */

.card a,
.timeline p a {
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}

.card a:hover,
.timeline p a:hover {
  text-decoration: underline;
}

/* Work dropdown */

.site-header nav {
  display: flex;
  align-items: center;
}

.dropdown {
  position: relative;
  margin-left: 24px;
}

.dd-toggle {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: inherit;
  color: var(--ink);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.dd-toggle:hover,
.dd-toggle[aria-expanded="true"] {
  color: var(--accent);
}

.dd-caret {
  font-size: 10px;
  transition: transform 0.15s ease;
}

.dd-toggle[aria-expanded="true"] .dd-caret {
  transform: rotate(180deg);
}

.dd-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  min-width: 190px;
  margin: 0;
  padding: 6px 0;
  list-style: none;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
  box-shadow: 0 6px 20px rgba(20, 23, 26, 0.09);
  z-index: 20;
}

.dd-menu[hidden] {
  display: none;
}

.site-header nav .dd-menu a {
  display: block;
  margin-left: 0;
  padding: 8px 16px;
  white-space: nowrap;
}

.site-header nav .dd-menu a:hover,
.site-header nav .dd-menu a:focus {
  background: rgba(46, 92, 77, 0.08);
  color: var(--accent);
}

.dd-menu a.active {
  color: var(--accent);
}

@media (max-width: 600px) {
  .dropdown {
    margin-left: 14px;
  }
  .dd-caret {
    transition: none;
  }
}

/* Experience cards */

.exp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.exp-card {
  display: flex;
  flex-direction: column;
  padding: 22px 18px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.4);
}

.exp-card .t-date {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.exp-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.25;
  margin: 9px 0 3px;
}

.exp-role {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.exp-desc {
  margin: 0 0 20px;
  font-size: 13.5px;
  color: var(--muted);
}

/* CTA mini-card at the foot of each experience card */

.exp-cta {
  margin-top: auto;
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  text-align: center;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.exp-cta:hover,
.exp-cta:focus {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
}

@media (max-width: 700px) {
  .exp-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .exp-cta {
    transition: none;
  }
}