:root {
  --ink: #1b2430;
  --ink-soft: #4a5568;
  --paper: #ffffff;
  --paper-soft: #f6f7f9;
  --line: #e2e5ea;
  --accent: #9c6b2f;
  --accent-light: #c99a49;
  --accent-soft: #f1e6d5;
  --teal: #1f5f5b;
  --teal-soft: #e2efee;
  --navy: #1f2d3d;
  --radius: 12px;
  --max-width: 1080px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow-sm: 0 2px 8px rgba(31, 22, 8, 0.06);
  --shadow-md: 0 12px 32px -12px rgba(31, 22, 8, 0.18);
  --shadow-glow: 0 0 0 1px rgba(156, 107, 47, 0.25), 0 14px 30px -14px rgba(156, 107, 47, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #eef1f5;
    --ink-soft: #b7c0cc;
    --paper: #12161c;
    --paper-soft: #171c24;
    --line: #2a3140;
    --accent: #d7a55f;
    --accent-light: #e8bd7b;
    --accent-soft: #2c2416;
    --teal: #4fb3ac;
    --teal-soft: #16302e;
    --navy: #0d131c;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 16px 40px -14px rgba(0, 0, 0, 0.55);
    --shadow-glow: 0 0 0 1px rgba(215, 165, 95, 0.3), 0 14px 30px -14px rgba(215, 165, 95, 0.35);
  }
}

:root[data-theme="dark"] {
  --ink: #eef1f5;
  --ink-soft: #b7c0cc;
  --paper: #12161c;
  --paper-soft: #171c24;
  --line: #2a3140;
  --accent: #d7a55f;
  --accent-light: #e8bd7b;
  --accent-soft: #2c2416;
  --teal: #4fb3ac;
  --teal-soft: #16302e;
  --navy: #0d131c;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 16px 40px -14px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 0 1px rgba(215, 165, 95, 0.3), 0 14px 30px -14px rgba(215, 165, 95, 0.35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #1b1300;
  padding: 10px 16px;
  border-radius: 0 0 6px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; margin: 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.2s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav a:not(.btn) {
  position: relative;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s ease;
  padding-bottom: 4px;
}
.site-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.2s ease;
}
.site-nav a:not(.btn):hover { color: var(--ink); }
.site-nav a:not(.btn):hover::after,
.site-nav a:not(.btn).active::after { width: 100%; }
.site-nav a:not(.btn).active { color: var(--accent); }
.site-nav .theme-toggle { margin-left: 4px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
}

/* Theme toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.theme-toggle .icon-moon { display: none; }
.theme-toggle.is-dark .icon-sun { display: none; }
.theme-toggle.is-dark .icon-moon { display: inline-flex; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #1b1300; }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--accent); }
.btn-small { padding: 8px 18px; font-size: 0.88rem; background: var(--ink); color: var(--paper); }

/* Hero */
.hero {
  padding: 96px 0 72px;
  background: radial-gradient(circle at 15% 20%, var(--accent-soft), transparent 55%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: center;
}
.hero-photo {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--paper);
  box-shadow: var(--shadow-glow);
  justify-self: center;
}
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 12px;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero-lede {
  max-width: 620px;
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin: 0 0 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }

.hero-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
  max-width: 640px;
}
.hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.stat-num { font-family: var(--font-display); font-size: 1.6rem; font-weight: 600; color: var(--accent); }
.stat-label { font-size: 0.8rem; color: var(--ink-soft); }

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--paper-soft); }
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 32px;
  position: relative;
  padding-bottom: 14px;
}
.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}
.section-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 40px;
}
.section-index {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 600;
  color: color-mix(in srgb, var(--ink) 10%, transparent);
  line-height: 1;
}
.section-head .section-title { margin-bottom: 0; padding-bottom: 0; }
.section-head .section-title::after { display: none; }

.lead { font-size: 1.08rem; color: var(--ink-soft); max-width: 640px; }

.about-statement {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: start;
  margin: 0 0 40px;
}
.about-statement-lead {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.5rem);
  line-height: 1.4;
  color: var(--ink);
  font-weight: 500;
  margin: 0;
}
.about-statement-support {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0;
  padding-top: 6px;
  border-left: 2px solid var(--line);
  padding-left: 24px;
}

@media (max-width: 720px) {
  .about-statement { grid-template-columns: 1fr; }
  .about-statement-support {
    border-left: none;
    padding-left: 0;
    padding-top: 16px;
    border-top: 2px solid var(--line);
  }
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}
.principle {
  border-top: 2px solid var(--accent);
  padding-top: 16px;
}
.principle h3 { font-size: 1.05rem; margin-bottom: 8px; }
.principle p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

@media (max-width: 720px) {
  .principles { grid-template-columns: 1fr; }
}

/* Skills grid */
.skill-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.skill-grid li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-weight: 500;
  color: var(--ink);
}

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 40px; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--line);
}
.timeline-item { display: flex; gap: 24px; position: relative; }
.timeline-marker {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 8px;
  position: relative;
  z-index: 1;
}
.timeline-marker-latest { animation: pulse-ring 2.4s ease-out infinite; }
@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 45%, transparent); }
  70% { box-shadow: 0 0 0 10px color-mix(in srgb, var(--accent) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); }
}
.timeline-content { flex: 1; }
.role-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin-bottom: 4px;
}
.role-head h3 { font-size: 1.2rem; }
.role-dates {
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-weight: 500;
}
.role-org { color: var(--accent); font-weight: 600; margin: 0 0 12px; font-size: 0.95rem; }
.timeline-content ul { margin: 0; padding-left: 20px; color: var(--ink-soft); display: flex; flex-direction: column; gap: 8px; }

/* Education: ledger */
.ledger-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.sub-title { font-size: 1.05rem; margin-bottom: 20px; color: var(--accent); }
.ledger-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; }
.ledger-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.ledger-list li:last-child { border-bottom: none; }
.ledger-num { font-family: var(--font-display); font-size: 0.85rem; color: var(--accent); flex-shrink: 0; }
.ledger-text { display: flex; flex-direction: column; gap: 2px; }
.ledger-text strong { color: var(--ink); }
.muted { color: var(--ink-soft); font-size: 0.85rem; }
.ledger-leader {
  flex: 1;
  border-bottom: 1px dotted var(--line);
  min-width: 16px;
  transform: translateY(-4px);
}
.ledger-date { font-size: 0.85rem; color: var(--ink-soft); white-space: nowrap; flex-shrink: 0; }

@media (max-width: 720px) {
  .ledger-grid { grid-template-columns: 1fr; }
}

/* Contact */
.contact-rows { list-style: none; padding: 0; margin: 28px 0 0; }
.contact-rows li { border-top: 1px solid var(--line); }
.contact-rows li:last-child { border-bottom: 1px solid var(--line); }
.contact-rows a,
.contact-rows .contact-static span {
  display: grid;
  grid-template-columns: 32px 120px 1fr 24px;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  text-decoration: none;
  color: var(--ink);
}
.contact-static span { display: grid; }
.contact-icon { color: var(--accent); display: inline-flex; }
.contact-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); }
.contact-value { font-weight: 600; font-size: 1.05rem; }
.contact-arrow {
  color: var(--accent);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  justify-self: end;
}
.contact-rows a:hover .contact-arrow { opacity: 1; transform: translateX(0); }
.contact-rows a:hover .contact-value { color: var(--accent); }

@media (max-width: 640px) {
  .contact-rows a, .contact-rows .contact-static span { grid-template-columns: 28px 1fr; row-gap: 4px; }
  .contact-arrow { display: none; }
}

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; }
.footer-inner { text-align: center; color: var(--ink-soft); font-size: 0.85rem; }

/* Back to top */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #1b1300;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  z-index: 40;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-2px); }

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .timeline-marker-latest { animation: none; }
  .back-to-top { transition: none; }
}

/* Responsive */
@media (max-width: 720px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-photo { width: 180px; height: 180px; order: -1; }
  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 18px;
    display: none;
  }
  .site-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .skill-grid { grid-template-columns: 1fr; }
}