:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f9;
  --color-ink: #0f172a;
  --color-ink-soft: #475569;
  --color-border: #e2e8f0;
  --color-accent: #2563eb;
  --color-accent-dark: #1e40af;
  --color-hero-bg: #0f172a;
  --color-hero-ink: #f8fafc;
  --max-width: 960px;
  --radius: 10px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3 { line-height: 1.2; font-weight: 700; }
h2 { font-size: 1.75rem; margin-bottom: 1.75rem; }
h3 { font-size: 1.05rem; margin: 0 0 0.25rem; }
p { margin: 0 0 1rem; color: var(--color-ink-soft); }

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-ink);
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 1.75rem;
}

.site-nav a {
  color: var(--color-ink-soft);
  font-weight: 600;
  font-size: 0.92rem;
}

.site-nav a:hover { color: var(--color-accent); text-decoration: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-ink);
}

/* Hero */
.hero {
  background: radial-gradient(circle at top right, #1e3a8a 0%, var(--color-hero-bg) 55%);
  color: var(--color-hero-ink);
  padding: 5.5rem 0 4.5rem;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.hero-text { flex: 1 1 auto; min-width: 0; }

.hero-photo {
  flex: 0 0 auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: #93c5fd;
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: 3rem;
  margin: 0 0 1.1rem;
}

.hero-lede {
  max-width: 640px;
  font-size: 1.1rem;
  color: #cbd5e1;
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover { background: var(--color-accent-dark); }

.btn-secondary {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); }

.section .btn-secondary {
  border-color: var(--color-border);
  color: var(--color-ink);
}

/* Sections */
.section { padding: 4rem 0; }
.section-alt { background: var(--color-bg-alt); }

/* Photo strip */
.photo-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.photo-strip img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}

@media (max-width: 720px) {
  .photo-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* What I Bring */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.pillar-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.pillar-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.pillar-card p { margin: 0; }

/* Career ladder */
.ladder {
  list-style: none;
  margin: 1.75rem 0;
  padding: 0;
  border-left: 2px solid var(--color-border);
}

.ladder li {
  position: relative;
  padding: 0 0 1.5rem 1.5rem;
}

.ladder li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid #fff;
}

.ladder h3 {
  display: inline;
  font-size: 0.98rem;
  margin: 0;
}

.ladder-date {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-top: 0.15rem;
}

.career-note {
  font-size: 0.92rem;
  color: var(--color-ink-soft);
}

/* Projects */
.coming-soon-card {
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
}

.coming-soon-card p {
  margin: 0;
  font-weight: 600;
  color: var(--color-ink-soft);
}

/* Contact */
.contact-section { text-align: center; }
.contact-section p { max-width: 480px; margin-left: auto; margin-right: auto; }
.contact-section .hero-actions { justify-content: center; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

.ai-disclosure {
  margin-top: 0.35rem !important;
  font-size: 0.78rem !important;
  color: #94a3b8 !important;
}

/* Responsive */
@media (max-width: 720px) {
  .hero h1 { font-size: 2.25rem; }

  .hero-inner { flex-direction: column-reverse; gap: 1.75rem; }
  .hero-photo { width: 160px; height: 160px; }

  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
    display: none;
  }

  .site-nav.open { display: flex; }
}
