:root {
  --bg: #08111f;
  --bg-2: #0b1728;
  --panel: #0e1c2f;
  --panel-2: #11243a;
  --text: #edf5ff;
  --muted: #9fb0c6;
  --line: rgba(160, 194, 224, .17);
  --accent: #59b8ff;
  --accent-2: #84e4d2;
  --ink: #07101c;
  --max: 1180px;
  --radius: 20px;
  --shadow: 0 22px 70px rgba(0,0,0,.23);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; }
.shell { width: min(calc(100% - 40px), var(--max)); 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; left: 12px; top: -60px; z-index: 999; background: #fff; color: #000; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8,17,31,.83);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, background .2s;
}
.site-header.scrolled { border-color: var(--line); background: rgba(8,17,31,.95); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; letter-spacing: -.02em; font-size: 1.04rem; }
.brand strong { font-weight: 800; }
.primary-nav { display: flex; align-items: center; gap: 28px; }
.primary-nav a { text-decoration: none; color: var(--muted); font-weight: 650; font-size: .94rem; transition: color .2s; }
.primary-nav a:hover, .primary-nav a:focus { color: var(--text); }
.primary-nav .nav-cta { color: var(--text); padding: 9px 15px; border: 1px solid var(--line); border-radius: 999px; }
.nav-toggle { display:none; background:none; border:0; width:44px; height:44px; padding:10px; cursor:pointer; }
.nav-toggle > span:not(.sr-only) { display:block; height:2px; background:var(--text); margin:5px 0; border-radius:2px; }

.hero { position: relative; min-height: 720px; display: grid; align-items: center; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero::before {
  content:""; position:absolute; width:540px; height:540px; left:-180px; top:60px;
  background:radial-gradient(circle, rgba(89,184,255,.19), transparent 66%); pointer-events:none;
}
.hero::after {
  content:""; position:absolute; width:540px; height:540px; right:-160px; bottom:-120px;
  background:radial-gradient(circle, rgba(132,228,210,.11), transparent 64%); pointer-events:none;
}
.hero-grid-bg {
  position:absolute; inset:0; opacity:.3; pointer-events:none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent 0%, #000 25%, #000 70%, transparent 100%);
}
.hero-grid { position:relative; z-index:1; display:grid; grid-template-columns: 1.25fr .75fr; gap:80px; padding:96px 0 110px; align-items:center; }
.eyebrow { margin: 0 0 14px; color: var(--accent-2); text-transform: uppercase; font-size:.76rem; letter-spacing:.17em; font-weight:800; }
.hero h1, .section-heading h2, .contact-card h2, .project-strip h2 {
  margin:0; line-height:1.02; letter-spacing:-.055em; font-weight:780;
}
.hero h1 { font-size: clamp(3.2rem, 6vw, 6.2rem); max-width: 900px; }
.hero h1 span { color: var(--accent); }
.hero-lede { margin:26px 0 30px; max-width:760px; color:#bdcadd; font-size:1.14rem; line-height:1.75; }
.hero-actions, .contact-actions { display:flex; flex-wrap:wrap; gap:12px; }
.btn { display:inline-flex; align-items:center; justify-content:center; min-height:48px; padding:0 20px; border-radius:12px; text-decoration:none; font-weight:800; border:1px solid transparent; transition: transform .2s, border-color .2s, background .2s; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--accent); color: var(--ink); }
.btn.secondary { border-color: var(--line); background: rgba(255,255,255,.025); color:var(--text); }
.btn.secondary:hover { border-color: rgba(89,184,255,.5); }
.social-row { display:flex; flex-wrap:wrap; gap:18px; margin-top:30px; }
.social-row a, .text-link { color:var(--muted); font-size:.9rem; text-decoration:none; font-weight:700; }
.social-row a:hover, .text-link:hover { color:var(--accent); }

.hero-panel { border:1px solid var(--line); border-radius:var(--radius); background:linear-gradient(180deg, rgba(17,36,58,.92), rgba(10,23,40,.95)); box-shadow:var(--shadow); overflow:hidden; transform:rotate(1deg); }
.terminal-top { height:46px; border-bottom:1px solid var(--line); display:flex; align-items:center; gap:7px; padding:0 16px; color:var(--muted); }
.terminal-top span { width:9px; height:9px; border:1px solid #587087; border-radius:50%; }
.terminal-top small { margin-left:auto; font-family:ui-monospace, SFMono-Regular, Menlo, monospace; }
.terminal-body { padding:26px; font-family:ui-monospace, SFMono-Regular, Menlo, monospace; font-size:.86rem; }
.terminal-body p { margin:0 0 14px; color:#c9d6e7; }
.terminal-body p b { color:var(--accent-2); }
.terminal-output { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin:0 0 26px 15px; }
.terminal-output span { color:#9fd4ff; background:rgba(89,184,255,.06); border:1px solid rgba(89,184,255,.13); padding:7px 9px; border-radius:6px; }
.terminal-status { display:flex; align-items:flex-start; gap:9px; line-height:1.5; }
.terminal-status i { flex:0 0 8px; width:8px; height:8px; margin-top:5px; border-radius:50%; background:var(--accent-2); box-shadow:0 0 12px var(--accent-2); }

.metrics { background:#091422; border-bottom:1px solid var(--line); }
.metric-grid { display:grid; grid-template-columns:repeat(4,1fr); }
.metric { padding:38px 28px; border-left:1px solid var(--line); }
.metric:last-child { border-right:1px solid var(--line); }
.metric strong { display:block; font-size:2.5rem; line-height:1; letter-spacing:-.05em; }
.metric strong span { color:var(--accent); font-size:1.4rem; }
.metric p { margin:10px 0 0; color:var(--muted); font-size:.88rem; line-height:1.55; }

.section { padding:112px 0; }
.section-heading { max-width:780px; margin-bottom:46px; }
.section-heading h2, .contact-card h2, .project-strip h2 { font-size:clamp(2.3rem,4.7vw,4.4rem); }
.section-heading > p:last-child { color:var(--muted); max-width:650px; font-size:1.02rem; }
.case-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.case-card { position:relative; min-height:390px; display:flex; flex-direction:column; justify-content:space-between; padding:34px; border:1px solid var(--line); border-radius:var(--radius); text-decoration:none; background:linear-gradient(145deg, rgba(17,36,58,.76), rgba(10,23,40,.8)); overflow:hidden; transition:transform .25s,border-color .25s,background .25s; }
.case-card:hover { transform:translateY(-5px); border-color:rgba(89,184,255,.42); background:linear-gradient(145deg, rgba(19,43,70,.9), rgba(10,23,40,.94)); }
.case-card.featured { grid-column:1/-1; min-height:420px; display:grid; grid-template-columns:80px 1.1fr .9fr; gap:35px; align-items:center; }
.case-number { position:absolute; right:24px; top:16px; font-size:5rem; font-weight:800; letter-spacing:-.08em; color:rgba(255,255,255,.035); }
.featured .case-number { position:static; font-size:3.3rem; color:rgba(89,184,255,.24); align-self:start; }
.tagline { color:var(--accent-2); text-transform:uppercase; font-weight:800; letter-spacing:.12em; font-size:.72rem; }
.case-content h3 { margin:8px 0 16px; font-size:1.7rem; letter-spacing:-.035em; }
.case-content > p:not(.tagline) { color:var(--muted); }
.chip-row { display:flex; flex-wrap:wrap; gap:7px; margin:24px 0 28px; }
.chip-row span { padding:6px 10px; border-radius:999px; color:#bbd8ed; border:1px solid var(--line); font-size:.77rem; }
.card-link { color:var(--accent); font-size:.9rem; }
.card-link span { display:inline-block; transition:transform .2s; }
.case-card:hover .card-link span { transform:translateX(4px); }
.arch-visual { display:grid; grid-template-columns:1fr; gap:10px; align-items:center; justify-items:center; padding:25px; }
.arch-visual div { width:100%; padding:17px; text-align:center; border:1px solid rgba(89,184,255,.25); background:rgba(89,184,255,.06); border-radius:10px; color:#d5ebfb; font-size:.86rem; font-family:ui-monospace,monospace; }
.arch-visual i { font-style:normal; color:var(--accent-2); transform:rotate(90deg); }

.muted-section { background:#0a1626; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.cap-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.cap-card { padding:28px; border:1px solid var(--line); border-radius:16px; background:rgba(255,255,255,.018); }
.cap-card .icon { width:42px; height:42px; display:grid; place-items:center; border:1px solid rgba(89,184,255,.3); color:var(--accent); border-radius:10px; font:700 .75rem ui-monospace,monospace; }
.cap-card h3 { margin:22px 0 10px; font-size:1.2rem; }
.cap-card p { color:var(--muted); font-size:.9rem; }
.cap-card ul { margin:20px 0 0; padding:0; list-style:none; color:#c7d4e3; font-size:.82rem; }
.cap-card li { padding:6px 0; border-top:1px solid var(--line); }

.experience-grid { display:grid; grid-template-columns:.85fr 1.15fr; gap:100px; }
.sticky-heading { position:sticky; top:120px; align-self:start; }
.timeline { border-left:1px solid var(--line); }
.timeline-item { position:relative; padding:0 0 65px 40px; }
.timeline-item:last-child { padding-bottom:0; }
.timeline-dot { position:absolute; left:-6px; top:6px; width:11px; height:11px; border-radius:50%; background:var(--bg); border:2px solid var(--accent); }
.timeline-kicker { margin:0 0 8px; color:var(--accent-2); font-size:.75rem; text-transform:uppercase; font-weight:800; letter-spacing:.1em; }
.timeline h3 { margin:0 0 10px; font-size:1.35rem; }
.timeline p:last-child { color:var(--muted); margin-bottom:0; }

.project-strip { background:linear-gradient(130deg, #10233a, #091727); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.project-strip-grid { display:grid; grid-template-columns:1.1fr .9fr; gap:80px; align-items:center; }
.project-strip p:not(.eyebrow) { color:var(--muted); max-width:680px; }
.project-links { border-top:1px solid var(--line); }
.project-links a { display:flex; align-items:center; justify-content:space-between; text-decoration:none; padding:19px 3px; border-bottom:1px solid var(--line); color:#dbe8f5; font-weight:750; }
.project-links a b { color:var(--accent); transition:transform .2s; }
.project-links a:hover b { transform:translateX(4px); }

.contact-section { padding-bottom:120px; }
.contact-card { padding:50px; border:1px solid rgba(89,184,255,.28); border-radius:24px; background:linear-gradient(130deg, rgba(89,184,255,.10), rgba(132,228,210,.04)); display:grid; grid-template-columns:1fr auto; gap:60px; align-items:center; }
.contact-card h2 { max-width:820px; font-size:clamp(2.1rem,4vw,3.8rem); }
.contact-card p:not(.eyebrow) { color:var(--muted); max-width:760px; }
.contact-actions { min-width:210px; flex-direction:column; }

.site-footer { border-top:1px solid var(--line); padding:30px 0; background:#06101c; }
.footer-grid { display:grid; grid-template-columns:1fr 1fr 1fr; align-items:center; gap:20px; color:var(--muted); font-size:.82rem; }
.footer-grid > p:nth-child(2) { text-align:center; }
.copyright { text-align:right; margin:0; }

/* Inner pages */
.page-hero { padding:90px 0 70px; border-bottom:1px solid var(--line); background:linear-gradient(180deg,#0b192b,#08111f); }
.breadcrumb { color:var(--muted); font-size:.82rem; margin-bottom:24px; }
.breadcrumb a { color:var(--accent); text-decoration:none; }
.page-hero h1 { margin:0; max-width:960px; font-size:clamp(3rem,6vw,5.9rem); line-height:1.02; letter-spacing:-.055em; }
.page-hero .lede { max-width:820px; color:#b8c7da; font-size:1.12rem; margin-top:24px; }
.meta-row { display:flex; flex-wrap:wrap; gap:9px; margin-top:28px; }
.meta-row span { border:1px solid var(--line); border-radius:999px; padding:7px 11px; color:#bdd0e2; font-size:.8rem; }
.content-grid { display:grid; grid-template-columns:260px 1fr; gap:75px; }
.toc { position:sticky; top:110px; align-self:start; border-left:1px solid var(--line); padding-left:18px; }
.toc p { color:#dbe9f6; font-weight:800; font-size:.82rem; }
.toc a { display:block; color:var(--muted); text-decoration:none; padding:5px 0; font-size:.82rem; }
.toc a:hover { color:var(--accent); }
.prose { max-width:820px; }
.prose h2 { margin:62px 0 15px; font-size:2rem; letter-spacing:-.035em; }
.prose h2:first-child { margin-top:0; }
.prose h3 { margin:32px 0 10px; }
.prose p, .prose li { color:#b6c6d8; }
.prose strong { color:var(--text); }
.prose blockquote { margin:30px 0; padding:20px 24px; border-left:3px solid var(--accent); background:rgba(89,184,255,.06); color:#d5e7f5; }
.outcome-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin:28px 0; }
.outcome { padding:20px; border:1px solid var(--line); border-radius:12px; }
.outcome strong { display:block; font-size:1.65rem; color:var(--accent); }
.outcome span { color:var(--muted); font-size:.82rem; }
.diagram { margin:30px 0; padding:28px; border:1px solid var(--line); border-radius:16px; background:#0b1728; }
.diagram-flow { display:flex; align-items:center; justify-content:center; gap:10px; flex-wrap:wrap; }
.diagram-flow span { padding:14px 17px; border:1px solid rgba(89,184,255,.27); background:rgba(89,184,255,.05); border-radius:10px; font:700 .78rem ui-monospace,monospace; }
.diagram-flow i { color:var(--accent-2); font-style:normal; }

.projects-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.project-card { min-height:285px; padding:26px; border:1px solid var(--line); border-radius:16px; background:rgba(255,255,255,.018); display:flex; flex-direction:column; }
.project-card .project-type { color:var(--accent-2); font-size:.71rem; text-transform:uppercase; letter-spacing:.11em; font-weight:800; }
.project-card h2 { font-size:1.35rem; letter-spacing:-.025em; margin:13px 0 8px; }
.project-card p { color:var(--muted); font-size:.88rem; flex:1; }
.project-card a { color:var(--accent); text-decoration:none; font-weight:800; font-size:.84rem; }
.project-card .chip-row { margin:18px 0; }

.resume-sheet { background:#fff; color:#15202d; border-radius:16px; padding:48px; box-shadow:var(--shadow); }
.resume-sheet a { color:#165f91; }
.resume-header { display:flex; justify-content:space-between; gap:30px; padding-bottom:25px; border-bottom:2px solid #dce3e9; }
.resume-header h1 { margin:0; font-size:2.4rem; letter-spacing:-.04em; }
.resume-header p { margin:4px 0 0; color:#536273; }
.resume-contact { text-align:right; font-size:.83rem; }
.resume-section { margin-top:30px; }
.resume-section h2 { text-transform:uppercase; letter-spacing:.12em; font-size:.8rem; color:#27678e; border-bottom:1px solid #dfe5ea; padding-bottom:8px; }
.resume-job { margin-top:22px; }
.resume-job-head { display:flex; justify-content:space-between; gap:20px; }
.resume-job h3 { margin:0; font-size:1.03rem; }
.resume-job .role { font-weight:700; color:#43515e; font-size:.91rem; }
.resume-job ul { margin:9px 0 0; padding-left:18px; }
.resume-job li { margin:5px 0; font-size:.88rem; color:#34424f; }
.resume-skills { display:grid; grid-template-columns:repeat(2,1fr); gap:8px 25px; font-size:.88rem; }
.print-row { display:flex; justify-content:flex-end; margin-bottom:18px; }

.reveal { opacity:0; transform:translateY(15px); transition:opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity:1; transform:none; }
.delay-1 { transition-delay:.08s; } .delay-2 { transition-delay:.15s; } .delay-3 { transition-delay:.22s; }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns:1fr; gap:45px; }
  .hero-panel { max-width:650px; transform:none; }
  .metric-grid { grid-template-columns:1fr 1fr; }
  .metric:nth-child(2) { border-right:1px solid var(--line); }
  .cap-grid { grid-template-columns:1fr 1fr; }
  .experience-grid, .project-strip-grid, .contact-card { grid-template-columns:1fr; gap:45px; }
  .sticky-heading { position:static; }
  .contact-actions { flex-direction:row; }
  .projects-grid { grid-template-columns:1fr 1fr; }
  .content-grid { grid-template-columns:1fr; gap:35px; }
  .toc { position:static; border:1px solid var(--line); padding:16px; border-radius:12px; }
}
@media (max-width: 760px) {
  .shell { width:min(calc(100% - 28px), var(--max)); }
  .nav-toggle { display:block; }
  .primary-nav { position:absolute; left:14px; right:14px; top:70px; padding:16px; display:none; flex-direction:column; align-items:stretch; gap:4px; border:1px solid var(--line); border-radius:14px; background:#0a1728; box-shadow:var(--shadow); }
  .primary-nav.open { display:flex; }
  .primary-nav a { padding:11px 12px; }
  .primary-nav .nav-cta { border-radius:9px; }
  .hero { min-height:auto; }
  .hero-grid { padding:70px 0 80px; }
  .hero h1 { font-size:clamp(2.8rem,15vw,4.4rem); }
  .terminal-output { grid-template-columns:1fr; }
  .metric-grid { grid-template-columns:1fr; }
  .metric { border-right:1px solid var(--line); }
  .section { padding:78px 0; }
  .case-grid { grid-template-columns:1fr; }
  .case-card.featured { grid-column:auto; display:block; min-height:390px; }
  .featured .case-number { position:absolute; right:24px; top:16px; color:rgba(255,255,255,.035); }
  .arch-visual { display:none; }
  .cap-grid, .projects-grid { grid-template-columns:1fr; }
  .contact-card { padding:30px 24px; }
  .contact-actions { flex-direction:column; }
  .footer-grid { grid-template-columns:1fr; text-align:left; }
  .footer-grid > p:nth-child(2), .copyright { text-align:left; }
  .outcome-grid { grid-template-columns:1fr; }
  .resume-sheet { padding:25px; border-radius:10px; }
  .resume-header { flex-direction:column; }
  .resume-contact { text-align:left; }
  .resume-job-head { flex-direction:column; gap:2px; }
  .resume-skills { grid-template-columns:1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation:none !important; transition:none !important; }
  .reveal { opacity:1; transform:none; }
}
@media print {
  body { background:#fff; }
  .site-header, .site-footer, .print-row, .page-hero { display:none !important; }
  .section { padding:0; }
  .resume-sheet { box-shadow:none; padding:0; }
  .shell { width:100%; }
}