:root {
  --ink: #101828;
  --muted: #667085;
  --blue: #4f6df5;
  --blue-dark: #3b55d9;
  --accent: #67e8d1;
  --navy: #0b1020;
  --line: #e4e7ec;
  --soft: #f8f9fc;
  --white: #fff;
  --width: 1100px;
  --radius: 14px;
  --shadow: 0 20px 50px rgba(16, 24, 40, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.container { width: min(calc(100% - 2.5rem), var(--width)); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; z-index: 100; top: 1rem; left: 1rem; padding: .6rem .9rem;
  color: var(--navy); background: var(--accent); border-radius: 8px; transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed; z-index: 50; inset: 0 0 auto; color: var(--white);
  background: rgba(11, 16, 32, .78); border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(18px);
}
.nav { min-height: 4.75rem; display: flex; align-items: center; justify-content: space-between; }
.brand { font-weight: 800; letter-spacing: -.025em; text-decoration: none; }
.nav-links { display: flex; gap: 1.5rem; margin: 0; padding: 0; list-style: none; }
.nav-links a { color: #dce3ec; font-size: .9rem; font-weight: 600; text-decoration: none; }
.nav-links a { position: relative; transition: color .2s ease; }
.nav-links a::after {
  content: ""; position: absolute; right: 0; bottom: -.45rem; left: 0; height: 2px;
  background: var(--accent); border-radius: 2px; transform: scaleX(0); transition: transform .2s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-toggle { display: none; padding: .4rem; color: inherit; background: none; border: 0; cursor: pointer; }
.nav-toggle span:not(.sr-only) { display: block; width: 1.5rem; height: 2px; margin: 5px; background: currentColor; }

.hero {
  position: relative; overflow: hidden; padding: 11rem 0 7rem; color: var(--white);
  background:
    radial-gradient(circle at 80% 25%, rgba(79, 109, 245, .27), transparent 30rem),
    radial-gradient(circle at 15% 90%, rgba(103, 232, 209, .1), transparent 24rem),
    var(--navy);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 5rem; align-items: center; }
.hero-copy { max-width: 790px; }
.eyebrow, .section-label {
  margin: 0 0 .7rem; color: var(--blue); font-size: .76rem; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
}
.eyebrow { color: var(--accent); }
h1 { margin: 0; font-size: clamp(3.3rem, 8vw, 6rem); line-height: .98; letter-spacing: -.065em; }
.hero-role { margin: 1rem 0; color: #b8c4d3; font-size: clamp(1.3rem, 3vw, 1.8rem); font-weight: 600; }
.availability {
  display: flex; gap: .6rem; align-items: center; width: fit-content; margin: 0 0 1.25rem;
  color: #dce5ef; font-size: .88rem; font-weight: 650;
}
.availability span {
  width: .55rem; aspect-ratio: 1; background: var(--accent); border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(103,232,209,.12);
}
.hero-summary { max-width: 680px; margin: 0; color: #c8d1de; font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin-top: 2rem; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 2.8rem; padding: .65rem 1rem;
  border: 1px solid transparent; border-radius: 9px; font-size: .88rem; font-weight: 750; text-decoration: none;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--blue); box-shadow: 0 10px 25px rgba(79,109,245,.3); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { color: var(--white); border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.045); }
.button-secondary:hover { border-color: rgba(255,255,255,.45); background: rgba(255,255,255,.08); }
.text-link { margin-left: .3rem; color: var(--accent); font-size: .9rem; font-weight: 700; text-decoration: none; }
.hero-stats {
  padding: 1.5rem; background: rgba(255,255,255,.065); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); box-shadow: 0 25px 60px rgba(0,0,0,.2); backdrop-filter: blur(14px);
}
.hero-stats dl { margin: 0; }
.hero-stats div { padding: 1.15rem 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.hero-stats div:first-child { padding-top: 0; }
.hero-stats div:last-child { padding-bottom: 0; border-bottom: 0; }
.hero-stats dt { font-size: 1.55rem; font-weight: 800; letter-spacing: -.035em; }
.hero-stats dd { margin: .1rem 0 0; color: #aeb9c8; font-size: .82rem; }

.section { padding: 6.5rem 0; }
.section-tinted { background: var(--soft); }
h2 { max-width: 760px; margin: 0 0 2.5rem; font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.12; letter-spacing: -.05em; }
h3 { margin: 0; font-size: 1.15rem; line-height: 1.4; }
.two-column { display: grid; grid-template-columns: .9fr 1.1fr; gap: 5rem; }
.prose { color: var(--muted); font-size: 1.02rem; }
.prose p:first-child { margin-top: 0; color: var(--ink); font-size: 1.12rem; }

.timeline-card {
  display: grid; grid-template-columns: 220px 1fr; gap: 3rem; padding: 2rem;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 30px rgba(16,24,40,.04);
}
.timeline-meta p { margin: 0 0 .25rem; }
.date { color: var(--blue); font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.company { font-weight: 700; }
.location, .role-summary { color: var(--muted); }
.role-summary { margin: .4rem 0 1.3rem; }
.impact-list { margin: 0; padding-left: 1.2rem; }
.impact-list li { margin-bottom: .65rem; padding-left: .25rem; }
.impact-list li::marker { color: var(--blue); }

.simple-grid { display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 3rem; }
.simple-item { padding: 1.7rem 0; border-top: 1px solid var(--line); }
.simple-item h3 { margin-bottom: .9rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0; padding: 0; list-style: none; }
.tag-list li { padding: .38rem .68rem; color: #344054; background: #edf1ff; border: 1px solid #e0e6ff; border-radius: 999px; font-size: .78rem; font-weight: 650; }

.project-list article {
  display: grid; grid-template-columns: 240px 1fr; gap: 2rem; padding: 2rem 1.25rem;
  border-top: 1px solid var(--line); border-radius: 10px; transition: background .2s ease, transform .2s ease;
}
.project-list article:hover { background: var(--white); transform: translateX(5px); }
.project-list article > p { margin: 0; color: var(--muted); }
.project-list .tag-list { grid-column: 2; margin-top: -.5rem; }
.credential-type { margin: 0 0 .5rem; color: var(--blue); font-size: .74rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.simple-item p:last-child { margin: .35rem 0 0; color: var(--muted); }

.contact { color: var(--white); background: linear-gradient(135deg, var(--blue-dark), var(--blue)); }
.contact .section-label { color: #d4e4ff; }
.contact h2 { margin-bottom: .8rem; }
.contact p { max-width: 620px; color: #e3edff; }
.contact-inner { display: flex; gap: 3rem; align-items: center; justify-content: space-between; }
.button-light { flex: 0 0 auto; gap: .7rem; color: var(--navy); background: var(--white); box-shadow: 0 12px 30px rgba(27,42,110,.2); }
.site-footer { padding: 1.8rem 0; color: #adb8c8; background: var(--navy); font-size: .8rem; }
.footer-inner { display: flex; gap: 1.5rem; align-items: center; justify-content: space-between; }
.footer-inner p { margin: 0; }
.footer-inner a { color: var(--accent); text-decoration: none; }

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 4.75rem; right: 1.25rem; left: 1.25rem; display: none;
    flex-direction: column; gap: .1rem; padding: .6rem; background: var(--navy);
    border: 1px solid #3b465a; border-radius: 10px; box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: .7rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-stats { padding: 1.25rem; }
  .hero-stats dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
  .hero-stats div { padding: 0 0 0 1rem; border-bottom: 0; border-left: 1px solid rgba(255,255,255,.1); }
  .hero-stats div:first-child { padding: 0; border-left: 0; }
  .two-column { grid-template-columns: 1fr; gap: 1.5rem; }
  .project-list article { grid-template-columns: 1fr; gap: .5rem; }
  .project-list .tag-list { grid-column: 1; margin-top: .5rem; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 2rem), var(--width)); }
  .hero { padding: 9rem 0 5rem; }
  .section { padding: 5rem 0; }
  .hero-actions .button { flex: 1 1 calc(50% - .5rem); }
  .text-link { width: 100%; margin: .4rem 0 0; }
  .hero-stats dl { grid-template-columns: 1fr; gap: 0; }
  .hero-stats div { padding: .9rem 0; border-left: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .hero-stats div:first-child { padding-top: 0; }
  .hero-stats div:last-child { padding-bottom: 0; border-bottom: 0; }
  .timeline-card { grid-template-columns: 1fr; gap: 1.5rem; }
  .simple-grid { grid-template-columns: 1fr; }
  .contact-inner, .footer-inner { align-items: flex-start; flex-direction: column; }
  .button-light { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}