:root {
  --bg: #090e18;
  --bg-soft: #0e1523;
  --panel: #111a2b;
  --panel-2: #151f33;
  --text: #f4f7fb;
  --muted: #a9b4c6;
  --line: rgba(255,255,255,.10);
  --accent: #65c7ff;
  --accent-2: #87f0d0;
  --shadow: 0 22px 60px rgba(0,0,0,.26);
  --radius: 22px;
  --shell: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% -10%, rgba(101,199,255,.13), transparent 32rem),
    radial-gradient(circle at 92% 12%, rgba(135,240,208,.09), transparent 28rem),
    var(--bg);
  color: var(--text);
  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; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin: 0 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;
  left: 14px; top: 12px;
  transform: translateY(-160%);
  background: white; color: #111;
  padding: 9px 13px;
  border-radius: 8px;
  z-index: 100;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,.06);
  background: rgba(9,14,24,.82);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.02em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(101,199,255,.35);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(101,199,255,.15), rgba(135,240,208,.06));
  color: var(--accent);
  font-size: .86rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: .95rem;
  font-weight: 650;
}
.site-nav a:hover,
.site-nav a:focus-visible { color: var(--text); }

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  padding: 10px;
}
.menu-button span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: var(--text);
  border-radius: 99px;
}

.hero {
  padding: 88px 0 76px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.32fr .82fr;
  gap: 70px;
  align-items: center;
}

.eyebrow,
.section-kicker,
.profile-label {
  margin: 0 0 15px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 5px rgba(135,240,208,.08);
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(3.1rem, 8vw, 6.6rem);
  line-height: .95;
  letter-spacing: -.066em;
}
h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: -.045em;
}
h3 {
  font-size: 1.25rem;
  line-height: 1.2;
  letter-spacing: -.02em;
}

.lede {
  max-width: 780px;
  color: #c7d1df;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 13px;
  text-decoration: none;
  font-weight: 800;
}
.button.primary {
  color: #07101b;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.button.ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.025);
}

.skill-row,
.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.skill-row { margin-top: 28px; }
.skill-row span,
.tech-list span,
.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.025);
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
  padding: 7px 10px;
}

.profile-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.035), transparent 45%),
    var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 30px;
}
.monogram {
  width: 94px;
  height: 94px;
  margin-bottom: 28px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(101,199,255,.28);
  border-radius: 25px;
  background: linear-gradient(145deg, rgba(101,199,255,.15), rgba(135,240,208,.07));
  color: var(--accent);
  font-size: 2.1rem;
  font-weight: 900;
  letter-spacing: -.08em;
}
.profile-card h2 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}
.profile-card p:not(.profile-label) { color: var(--muted); }

.mini-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 25px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.mini-stats div { display: grid; gap: 2px; }
.mini-stats strong { font-size: 1.3rem; }
.mini-stats span { color: var(--muted); font-size: .72rem; }

.section {
  padding: 92px 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.section-alt { background: rgba(255,255,255,.018); }

.two-col {
  display: grid;
  grid-template-columns: .84fr 1.16fr;
  gap: 80px;
}
.prose {
  color: #c3cedd;
  font-size: 1.08rem;
}
.prose p { margin-bottom: 18px; }

.timeline {
  margin-top: 42px;
  display: grid;
  gap: 24px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
}
.timeline-date {
  padding-top: 23px;
  color: var(--muted);
  font-weight: 800;
  font-size: .88rem;
}
.timeline-card,
.project-card,
.cert-card,
.contact-card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
}
.timeline-card { padding: 26px; }
.timeline-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}
.timeline-heading h3 { margin-bottom: 6px; }
.timeline-heading p { color: var(--muted); margin: 0; font-size: .94rem; }
.timeline-card ul {
  margin: 0;
  padding-left: 19px;
  color: #c4cfdd;
}
.timeline-card li { padding: 4px 0; }
.pill { color: var(--accent-2); }

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 42px;
}
.project-card {
  min-height: 285px;
  padding: 26px;
  display: flex;
  flex-direction: column;
}
.project-card.featured {
  background:
    radial-gradient(circle at 90% 8%, rgba(101,199,255,.12), transparent 18rem),
    var(--panel);
}
.project-topline {
  min-height: 30px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 750;
}
.project-topline a { color: var(--accent); text-decoration: none; }
.project-type {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .72rem;
}
.project-card h3 { margin-top: 22px; font-size: 1.45rem; }
.project-card p { color: var(--muted); }
.project-card .tech-list { margin-top: auto; padding-top: 15px; }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 42px;
}
.cert-card {
  min-height: 130px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
}
.cert-card strong { font-size: 1.06rem; }
.cert-card span { color: var(--muted); font-size: .85rem; }

.contact-section { padding-bottom: 105px; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 70px;
  align-items: center;
}
.contact-copy {
  max-width: 650px;
  color: var(--muted);
  font-size: 1.08rem;
}
.contact-card { overflow: hidden; }
.contact-card a {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 14px;
  align-items: center;
  min-height: 86px;
  padding: 18px 22px;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.contact-card a:last-child { border-bottom: 0; }
.contact-card a:hover { background: rgba(255,255,255,.025); }
.contact-card span { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 800; }
.contact-card strong { font-size: .96rem; }
.contact-card b { color: var(--accent); }

.site-footer {
  border-top: 1px solid var(--line);
  color: #8e9bad;
  font-size: .82rem;
}
.footer-wrap {
  min-height: 90px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

@media (max-width: 900px) {
  .hero-grid,
  .two-col,
  .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero { padding-top: 64px; }
  .profile-card { max-width: 620px; }
  .project-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  .timeline-date { padding-top: 0; }
}

@media (max-width: 720px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .site-header { background: rgba(9,14,24,.94); }
  .menu-button { display: block; }
  .site-nav {
    position: absolute;
    top: 72px;
    left: 14px;
    right: 14px;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #0e1523;
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 10px; }
  h1 { font-size: clamp(3rem, 16vw, 4.8rem); }
  .section { padding: 72px 0; }
  .cert-grid { grid-template-columns: 1fr; }
  .timeline-heading { flex-direction: column; }
  .mini-stats { grid-template-columns: 1fr; }
  .mini-stats div {
    grid-template-columns: 65px 1fr;
    align-items: baseline;
    border-bottom: 1px solid var(--line);
    padding: 7px 0;
  }
  .mini-stats div:last-child { border-bottom: 0; }
  .contact-card a { grid-template-columns: 1fr auto; }
  .contact-card span { grid-column: 1 / -1; }
  .footer-wrap { min-height: 110px; flex-direction: column; justify-content: center; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}