:root {
  --ink: #0b1f33;
  --ink-2: #17354f;
  --blue: #176b91;
  --accent: #64c4d7;
  --paper: #f5f7f8;
  --white: #fff;
  --muted: #617181;
  --line: #dce3e7;
  --shadow: 0 24px 70px rgba(11,31,51,.09);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 18px; background: var(--white); border-radius: 8px; transition: top .2s; }
.skip-link:focus { top: 16px; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 20; border-bottom: 1px solid rgba(255,255,255,.1); color: var(--white); }
.nav-wrap { height: 84px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-size: .9rem; font-weight: 700; letter-spacing: .02em; }
.brand-mark { display: grid; place-items: center; width: 38px; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; font-size: .69rem; letter-spacing: .08em; }
.main-nav { display: flex; gap: 34px; align-items: center; }
.main-nav a { text-decoration: none; color: rgba(255,255,255,.74); font-size: .85rem; transition: color .2s; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--white); }
.menu-toggle { display: none; color: inherit; border: 0; background: transparent; padding: 8px; }

.hero { min-height: 780px; color: var(--white); padding: 170px 0 34px; background: radial-gradient(circle at 77% 38%, rgba(36,124,156,.4), transparent 28%), linear-gradient(135deg, #071726 0%, #0c253b 62%, #0b3048 100%); overflow: hidden; position: relative; }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .11; background-image: linear-gradient(rgba(255,255,255,.28) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.28) 1px, transparent 1px); background-size: 70px 70px; mask-image: linear-gradient(to right, transparent, black 40%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.14fr .86fr; gap: 90px; align-items: center; }
.eyebrow, .section-number { margin: 0 0 28px; text-transform: uppercase; letter-spacing: .16em; font-size: .72rem; font-weight: 750; }
.eyebrow { color: #a9c9d7; display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 28px; height: 1px; background: var(--accent); }
h1 { margin: 0; font-size: clamp(4.1rem, 7.8vw, 7.3rem); line-height: .88; letter-spacing: -.065em; font-weight: 270; }
h1 strong { font-weight: 720; color: var(--accent); }
.hero-lead { max-width: 640px; margin: 34px 0; color: #c3d1da; font-size: clamp(1.05rem, 1.7vw, 1.32rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-width: 183px; padding: 15px 20px; border-radius: 9px; text-decoration: none; font-size: .84rem; font-weight: 700; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--white); color: var(--ink); }
.button-secondary { border: 1px solid rgba(255,255,255,.3); color: var(--white); }
.button-secondary:hover { background: rgba(255,255,255,.08); }

.hero-panel { min-height: 440px; position: relative; display: flex; flex-direction: column; justify-content: space-between; background: linear-gradient(150deg, rgba(255,255,255,.11), rgba(255,255,255,.035)); border: 1px solid rgba(255,255,255,.18); border-radius: 28px; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.22); backdrop-filter: blur(8px); }
.portrait-card { margin: 0; isolation: isolate; }
.portrait-card::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(to bottom, transparent 48%, rgba(4,18,30,.84) 100%); pointer-events: none; }
.portrait-card::after { content: ""; position: absolute; inset: 20px; z-index: 2; border: 1px solid rgba(255,255,255,.18); border-radius: 17px; pointer-events: none; }
.portrait-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 42%; filter: saturate(.82) contrast(1.03); }
.portrait-caption { position: relative; z-index: 3; display: flex; align-items: center; gap: 14px; margin-top: auto; padding: 32px 38px; }
.portrait-caption div { display: grid; gap: 5px; }
.portrait-caption strong { font-size: .88rem; letter-spacing: .01em; }
.portrait-caption div > span { color: #b7cbd6; font-size: .62rem; text-transform: uppercase; letter-spacing: .13em; }
.portrait-status { width: 9px; aspect-ratio: 1; flex: 0 0 auto; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 5px rgba(100,196,215,.17); }
.monogram { position: absolute; right: -13px; top: 22px; color: rgba(255,255,255,.045); font-size: 9rem; line-height: 1; font-weight: 800; letter-spacing: -.08em; }
.panel-orbit { position: relative; width: 110px; aspect-ratio: 1; border: 1px solid rgba(100,196,215,.35); border-radius: 50%; }
.panel-orbit::before, .panel-orbit::after { content: ""; position: absolute; border: 1px solid rgba(100,196,215,.25); border-radius: 50%; }
.panel-orbit::before { inset: 17px; }.panel-orbit::after { inset: 36px; background: var(--accent); box-shadow: 0 0 24px rgba(100,196,215,.55); }
.panel-orbit i { position: absolute; width: 7px; aspect-ratio: 1; background: var(--accent); border-radius: 50%; }.panel-orbit i:nth-child(1){ left: 2px; top: 40px; }.panel-orbit i:nth-child(2){ right: 11px; top: 17px; }.panel-orbit i:nth-child(3){ right: 17px; bottom: 9px; }
.panel-content { position: relative; }
.panel-label { color: #9bb1bf; font-size: .68rem; text-transform: uppercase; letter-spacing: .17em; }
.panel-content ul { list-style: none; padding: 0; margin: 18px 0 0; }
.panel-content li { display: flex; gap: 18px; padding: 13px 0; border-top: 1px solid rgba(255,255,255,.14); font-size: .9rem; }
.panel-content li span { color: var(--accent); font-size: .7rem; padding-top: 3px; }
.hero-foot { position: relative; display: flex; justify-content: flex-end; gap: 40px; margin-top: 68px; color: #88a6b7; font-size: .7rem; text-transform: uppercase; letter-spacing: .13em; }

.section { padding: 120px 0; }
.split-heading { display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; }
.section-number { color: var(--blue); }
h2 { margin: 0; font-size: clamp(2.4rem, 4.6vw, 4.5rem); line-height: 1.02; letter-spacing: -.055em; font-weight: 600; }
.prose { max-width: 665px; }
.prose p { color: var(--muted); font-size: 1rem; line-height: 1.8; }
.prose .large { margin-top: 0; color: var(--ink); font-size: 1.45rem; line-height: 1.5; letter-spacing: -.02em; }

.experience { background: var(--white); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 55px; }
.section-head h2 { max-width: 880px; }
.experience-card { display: grid; grid-template-columns: .34fr .66fr; gap: 50px; padding: 44px; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.experience-meta { display: flex; gap: 17px; align-items: flex-start; }
.company-mark { width: 54px; aspect-ratio: 1; display: grid; place-items: center; background: var(--ink); color: var(--accent); border-radius: 14px; font-size: 1.4rem; font-weight: 800; }
.company { margin: 4px 0 3px; font-size: 1.15rem; font-weight: 750; }.company + p { margin: 0; color: var(--muted); font-size: .78rem; }
.role { margin: 2px 0 14px; font-size: 1.6rem; font-weight: 720; letter-spacing: -.025em; }.role + p { max-width: 650px; color: var(--muted); line-height: 1.7; }
.responsibility-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 34px; list-style: none; padding: 22px 0 0; margin: 24px 0 0; border-top: 1px solid var(--line); }
.responsibility-grid li { display: flex; gap: 13px; padding: 12px 0; font-size: .87rem; line-height: 1.45; }.responsibility-grid span { color: var(--blue); font-size: .68rem; padding-top: 3px; }

.specialty-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.specialty-card { min-height: 310px; padding: 26px; position: relative; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.58); transition: transform .25s, box-shadow .25s, background .25s; }
.specialty-card:hover { transform: translateY(-5px); background: var(--white); box-shadow: var(--shadow); }
.specialty-card > span { color: #92a1ad; font-size: .65rem; }.card-icon { margin: 38px 0 auto; color: var(--blue); font-size: 1.8rem; font-weight: 500; }
.specialty-card h3 { margin: 24px 0 10px; font-size: 1.18rem; }.specialty-card p { margin: 0; color: var(--muted); font-size: .86rem; line-height: 1.6; }

.technologies { border-top: 1px solid var(--line); }
.tech-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; align-items: start; }
.tag-list { display: flex; flex-wrap: wrap; gap: 11px; list-style: none; margin: 0; padding: 0; }
.tag-list li { padding: 13px 17px; background: var(--white); border: 1px solid var(--line); border-radius: 99px; font-size: .82rem; box-shadow: 0 7px 20px rgba(11,31,51,.035); }

.contact { padding: 110px 0; background: var(--ink); color: var(--white); position: relative; overflow: hidden; }
.contact::after { content: ""; position: absolute; width: 500px; aspect-ratio: 1; right: -170px; bottom: -300px; border: 1px solid rgba(100,196,215,.18); border-radius: 50%; box-shadow: 0 0 0 80px rgba(100,196,215,.025), 0 0 0 160px rgba(100,196,215,.02); }
.section-number.light { color: var(--accent); }
.contact h2 { max-width: 930px; }
.contact-links { position: relative; z-index: 1; display: flex; gap: 45px; margin-top: 56px; }
.contact-links a { min-width: 270px; display: flex; justify-content: space-between; gap: 24px; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.28); color: #d7e2e8; text-decoration: none; font-size: .85rem; }.contact-links a:hover { color: var(--accent); }
.site-footer { padding: 28px 0; background: #071725; color: #78909f; font-size: .7rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; }.footer-inner a { color: #b7c7cf; text-decoration: none; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 900px) {
  .hero-grid, .split-heading, .tech-layout { grid-template-columns: 1fr; gap: 58px; }
  .hero { padding-top: 150px; }.hero-panel { min-height: 430px; }.hero-foot { justify-content: flex-start; flex-wrap: wrap; }
  .section-head { display: block; }.section-number { margin-bottom: 22px; }
  .experience-card { grid-template-columns: 1fr; }.specialty-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 32px, 1180px); }.nav-wrap { height: 72px; }
  .menu-toggle { display: grid; gap: 6px; }.menu-toggle span { display: block; width: 24px; height: 1px; background: currentColor; transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .main-nav { display: none; position: absolute; inset: 72px 0 auto; padding: 24px; flex-direction: column; align-items: flex-start; gap: 22px; background: #0b1f33; border-top: 1px solid rgba(255,255,255,.1); }.main-nav.open { display: flex; }
  .brand > span:last-child { display: none; }
  .hero { min-height: auto; padding: 130px 0 30px; }.hero-grid { gap: 48px; } h1 { font-size: clamp(3.4rem, 16.5vw, 5rem); }.hero-lead { font-size: 1rem; }.button { flex: 1; min-width: 155px; gap: 16px; }
  .hero-panel { min-height: 430px; }.portrait-caption { padding: 28px 30px; }.portrait-card::after { inset: 14px; }.hero-foot { margin-top: 46px; gap: 16px 25px; font-size: .58rem; }
  .section { padding: 82px 0; }.split-heading { gap: 36px; }.prose .large { font-size: 1.22rem; }.prose p { font-size: .93rem; }
  .experience-card { padding: 26px; gap: 34px; }.responsibility-grid { grid-template-columns: 1fr; }
  .specialty-grid { grid-template-columns: 1fr; }.specialty-card { min-height: 250px; }.card-icon { margin-top: 26px; }
  .tech-layout { gap: 38px; }.contact { padding: 80px 0; }.contact-links { flex-direction: column; gap: 16px; }.contact-links a { min-width: 0; }
  .footer-inner { align-items: flex-start; gap: 12px; flex-direction: column; }.footer-inner p { margin: 0; }
}