:root {
  --navy: #0e1b2e;
  --navy-2: #16283f;
  --ink: #1c2733;
  --muted: #5b6b7f;
  --line: #e3e9f1;
  --bg: #ffffff;
  --bg-alt: #f5f8fc;
  --accent: #0e7c86;
  --accent-dark: #0a5f67;
  --accent-soft: #e6f4f5;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(14, 27, 46, 0.08);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.65;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 800px; }
.center { text-align: center; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.brand { font-weight: 800; font-size: 1.1rem; color: var(--navy); text-decoration: none; letter-spacing: -0.01em; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a:not(.btn) { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.nav-links a:not(.btn):hover, .nav-links a:not(.btn).active { color: var(--accent-dark); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 5px 0; border-radius: 2px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 999px;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 0.95rem;
  text-decoration: none; border: 2px solid var(--accent);
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--accent-dark); }
.btn-outline:hover { background: var(--accent-soft); box-shadow: none; }
.btn-small { padding: 8px 18px; font-size: 0.85rem; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%, #1d3a4d 100%);
  color: #fff; padding: 84px 0 72px; overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1fr 240px; gap: 48px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; font-weight: 700; color: #8fd0d6; margin-bottom: 12px; }
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); letter-spacing: -0.02em; line-height: 1.08; }
.role { font-size: 1.15rem; font-weight: 600; color: #cfe6ea; margin: 10px 0 16px; }
.role .sep { color: #8fd0d6; margin: 0 6px; }
.lede { color: #dbe7ee; font-size: 1.05rem; max-width: 34rem; }
.lede strong { color: #fff; }
.hero-cta { display: flex; gap: 14px; margin: 26px 0 34px; flex-wrap: wrap; }
.hero-cta .btn-outline { color: #fff; border-color: rgba(255,255,255,0.5); }
.hero-cta .btn-outline:hover { background: rgba(255,255,255,0.12); }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; list-style: none; }
.hero-stats div { border-left: 3px solid var(--accent); padding-left: 14px; }
.hero-stats dt { font-size: 1.7rem; font-weight: 800; color: #fff; letter-spacing: -0.01em; }
.hero-stats dd { font-size: 0.82rem; color: #a9c3cc; }
.hero-photo img {
  width: 220px; height: 220px; border-radius: 50%; object-fit: cover;
  border: 5px solid rgba(255,255,255,0.18);
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); }
.section h2 { font-size: 1.9rem; letter-spacing: -0.02em; color: var(--navy); margin-bottom: 14px; }
.section-sub { color: var(--muted); margin-bottom: 30px; font-size: 1.05rem; }
#about p + p { margin-top: 16px; }
#about p { font-size: 1.06rem; color: #33404f; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-4px); }
.card .metric { font-size: 1.5rem; font-weight: 800; color: var(--accent-dark); letter-spacing: -0.01em; }
.card h3 { font-size: 1.02rem; margin: 6px 0 8px; color: var(--navy); }
.card p { font-size: 0.94rem; color: var(--muted); }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--line);
}
.job { position: relative; padding-bottom: 36px; }
.job:last-child { padding-bottom: 0; }
.job::before {
  content: ""; position: absolute; left: -27px; top: 8px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft);
}
.job-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.job h3 { font-size: 1.18rem; color: var(--navy); letter-spacing: -0.01em; }
.job h3 .at { color: var(--accent-dark); font-weight: 700; }
.dates { color: var(--muted); font-weight: 600; font-size: 0.9rem; white-space: nowrap; }
.job-context { color: var(--muted); font-size: 0.93rem; margin: 4px 0 12px; font-style: italic; }
.job ul { padding-left: 20px; color: #33404f; font-size: 0.98rem; }
.job ul li + li { margin-top: 8px; }
.job.earlier ul { list-style: none; padding-left: 0; }

/* ---------- Skills ---------- */
.skill-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 40px; }
.skill-group { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.skill-group h3 { font-size: 1.02rem; color: var(--navy); margin-bottom: 14px; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
  background: var(--accent-soft); color: var(--accent-dark);
  font-size: 0.86rem; font-weight: 600; padding: 6px 13px; border-radius: 999px;
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.sub-h { font-size: 1.05rem; color: var(--navy); margin-bottom: 12px; }
.plain-list { list-style: none; }
.plain-list li { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 0.95rem; color: #33404f; }
.plain-list li:last-child { border-bottom: 0; }

/* ---------- Contact ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 28px 0 34px; text-align: left; }
.contact-card {
  display: block; background: var(--bg-alt); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.contact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.contact-card .label { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-weight: 700; margin-bottom: 6px; }
.contact-card .value { color: var(--navy); font-weight: 700; font-size: 0.98rem; word-break: break-word; }

/* ---------- Footer ---------- */
footer { background: var(--navy); color: #93a7b8; padding: 26px 0; font-size: 0.88rem; text-align: center; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Sub-page header ---------- */
.page-head {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%, #1d3a4d 100%);
  color: #fff; padding: 56px 0 48px;
}
.page-head h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); letter-spacing: -0.02em; line-height: 1.12; }
.page-head p { color: #cfe6ea; margin-top: 8px; font-size: 1.05rem; }

/* ---------- Linked cards ---------- */
.card-link { text-decoration: none; color: inherit; display: block; }
.card-link .go { display: inline-block; margin-top: 12px; font-weight: 700; font-size: 0.92rem; color: var(--accent-dark); }
.card-link:hover .go { text-decoration: underline; }

/* ---------- Portfolio page ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%, #1d3a4d 100%);
  color: #fff; padding: 72px 0 64px;
}
.page-hero h1 { font-size: clamp(2rem, 4.4vw, 3rem); letter-spacing: -0.02em; line-height: 1.12; margin-bottom: 16px; }
.page-hero .lede { color: #dbe7ee; font-size: 1.05rem; max-width: 40rem; margin: 0 auto; }
.page-hero .lede.center { text-align: center; }
.page-hero .hero-cta { justify-content: center; margin-bottom: 0; }
.page-hero .btn-outline { color: #fff; border-color: rgba(255,255,255,0.5); }
.page-hero .btn-outline:hover { background: rgba(255,255,255,0.12); }
.stat-band { background: var(--navy); padding: 44px 0; }
.stat-band .hero-stats { margin: 0; }
.card .tag {
  display: inline-block; font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--accent-dark); background: var(--accent-soft);
  padding: 4px 11px; border-radius: 999px; margin-bottom: 12px;
}
.fit-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.fit-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; min-width: 560px; }
.fit-table th {
  text-align: left; padding: 14px 18px; background: var(--navy); color: #fff;
  font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em;
}
.fit-table td { padding: 14px 18px; border-top: 1px solid var(--line); vertical-align: top; }
.fit-table td:first-child { font-weight: 700; color: var(--navy); width: 38%; }
.fit-table td:last-child { color: #33404f; }
.fit-table tbody tr:hover { background: var(--bg-alt); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-photo { order: -1; }
  .hero-photo img { width: 150px; height: 150px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px 14px; }
}
@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 12px 24px 20px; border-bottom: 1px solid var(--line); gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-top: 1px solid var(--line); }
  .nav-links .btn { margin-top: 12px; text-align: center; }
  .cards, .skill-grid, .two-col, .contact-cards { grid-template-columns: 1fr; }
  .section { padding: 54px 0; }
}