:root {
  --ink: #1a2233;
  --ink-soft: #4a5568;
  --paper: #ffffff;
  --paper-alt: #f4f6f9;
  --line: #e2e6ed;
  --accent: #0f5c8c;
  --accent-soft: #e8f1f8;
  --accent-ink: #0b3d5c;
  --max: 880px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }

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

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

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}

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

nav.links {
  display: flex;
  gap: 28px;
  font-size: 0.94rem;
  font-weight: 500;
}

nav.links a { color: var(--ink-soft); }
nav.links a:hover, nav.links a.active { color: var(--accent-ink); text-decoration: none; }

/* ---- hero ---- */
.hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--line);
}

.hero h1 {
  font-size: 2.3rem;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}

.hero .tagline {
  font-size: 1.15rem;
  color: var(--accent-ink);
  font-weight: 600;
  margin: 0 0 20px;
}

.hero p.lead {
  max-width: 640px;
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin: 0 0 24px;
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.contact-row a { color: var(--ink-soft); }
.contact-row a:hover { color: var(--accent-ink); }

.badges {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 999px;
}

/* ---- sections ---- */
section {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

section:last-of-type { border-bottom: none; }

h2.section-title {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 700;
  margin: 0 0 24px;
}

/* ---- competency grid ---- */
.comp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.comp-group h3 {
  font-size: 0.95rem;
  margin: 0 0 10px;
  color: var(--ink);
}

.comp-group ul {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.comp-group li {
  padding: 3px 0;
}

/* ---- experience cards ---- */
.role {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.role:first-of-type { border-top: none; padding-top: 0; }

.role-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-bottom: 6px;
}

.role-title {
  font-weight: 700;
  font-size: 1.05rem;
}

.role-company {
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 0.94rem;
}

.role-dates {
  font-size: 0.86rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

.role p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.role .case-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.88rem;
  font-weight: 600;
}

.role-earlier {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.role-earlier .role-title { font-size: 0.98rem; }

/* ---- certifications ---- */
.cert-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.cert-row span::after {
  content: "·";
  margin-left: 14px;
  color: var(--line);
}

.cert-row span:last-child::after { content: ""; }

/* ---- footer ---- */
footer {
  padding: 36px 0 60px;
  color: var(--ink-soft);
  font-size: 0.86rem;
}

/* ---- project / case study pages ---- */
.project-hero {
  padding: 48px 0 30px;
  border-bottom: 1px solid var(--line);
}

.project-hero .eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}

.project-hero h1 {
  font-size: 1.9rem;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.project-hero .meta {
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.project-body {
  padding: 40px 0;
  max-width: 720px;
}

.project-body h2 {
  font-size: 1.15rem;
  margin: 34px 0 12px;
  color: var(--ink);
}

.project-body h2:first-child { margin-top: 0; }

.project-body p {
  color: var(--ink-soft);
  font-size: 1rem;
  margin: 0 0 14px;
}

.project-body ul {
  color: var(--ink-soft);
  font-size: 1rem;
  padding-left: 20px;
}

.project-body li { margin-bottom: 8px; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.stat {
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
}

.stat .num {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-ink);
}

.stat .label {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 2px;
}

.back-link {
  display: inline-block;
  margin-bottom: 4px;
  font-size: 0.9rem;
  font-weight: 600;
}

@media (max-width: 640px) {
  nav.links { display: none; }
  .hero h1 { font-size: 1.8rem; }
  .role-head { flex-direction: column; }
}