:root {
  --bg: #08101f;
  --bg-soft: #0d1728;
  --surface: rgba(17, 28, 48, 0.78);
  --surface-strong: #111d31;
  --text: #f6f8fc;
  --muted: #9aa9be;
  --line: rgba(255, 255, 255, 0.10);
  --line-strong: rgba(255, 255, 255, 0.18);
  --brand: #7dd3fc;
  --brand-strong: #38bdf8;
  --accent: #a7f3d0;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --radius: 22px;
  --radius-sm: 14px;
  --container: 1180px;
  --header-h: 76px;
}

html[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-soft: #edf2f8;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #ffffff;
  --text: #0d1728;
  --muted: #52647c;
  --line: rgba(13, 23, 40, 0.10);
  --line-strong: rgba(13, 23, 40, 0.18);
  --brand: #0369a1;
  --brand-strong: #0284c7;
  --accent: #047857;
  --shadow: 0 24px 70px rgba(47, 70, 103, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
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: 1.65; overflow-x: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
::selection { background: var(--brand); color: #07111f; }

.skip-link { position: fixed; top: 10px; left: 10px; z-index: 9999; transform: translateY(-150%); padding: .7rem 1rem; border-radius: 10px; background: var(--text); color: var(--bg); text-decoration: none; font-weight: 800; }
.skip-link:focus { transform: translateY(0); }
.page-noise { position: fixed; inset: 0; z-index: -3; pointer-events: none; opacity: .035; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E"); }
.orb { position: fixed; z-index: -2; width: 420px; height: 420px; border-radius: 999px; filter: blur(110px); opacity: .13; pointer-events: none; }
.orb-one { background: var(--brand-strong); top: -180px; right: -90px; }
.orb-two { background: #8b5cf6; left: -180px; top: 45%; }

.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { padding: 112px 0; position: relative; }
.section-soft { background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--bg-soft) 82%, transparent) 10%, color-mix(in srgb, var(--bg-soft) 82%, transparent) 90%, transparent); border-block: 1px solid var(--line); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; border-bottom: 1px solid transparent; transition: background .25s ease, border-color .25s ease; }
.site-header.scrolled { background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(18px); border-color: var(--line); }
.nav { min-height: var(--header-h); display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; min-width: max-content; }
.brand-mark { width: 38px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 11px; background: linear-gradient(135deg, color-mix(in srgb, var(--brand) 20%, transparent), transparent); color: var(--brand); font-size: .74rem; font-weight: 900; letter-spacing: .06em; }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: .88rem; letter-spacing: -.01em; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: .68rem; }
.nav-menu { margin-left: auto; display: flex; align-items: center; gap: 28px; }
.nav-menu a { color: var(--muted); text-decoration: none; font-size: .82rem; font-weight: 700; transition: color .2s ease; }
.nav-menu a:hover, .nav-menu a.active { color: var(--text); }
.nav-actions { display: flex; gap: 9px; align-items: center; }
.icon-button { width: 42px; height: 42px; display: inline-grid; place-items: center; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--text); cursor: pointer; font: inherit; }
.icon-button:hover { border-color: var(--line-strong); transform: translateY(-1px); }
.menu-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); padding: 10px; }
.menu-toggle span { display: block; height: 2px; border-radius: 9px; background: var(--text); margin: 4px 0; transition: transform .25s ease, opacity .25s ease; }
.scroll-progress { height: 2px; background: transparent; }
.scroll-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--brand), var(--accent)); }

.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 19px; border: 1px solid transparent; border-radius: 13px; text-decoration: none; font-size: .88rem; font-weight: 800; transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--text); color: var(--bg); box-shadow: 0 12px 30px color-mix(in srgb, var(--text) 12%, transparent); }
.button-primary:hover { box-shadow: 0 16px 38px color-mix(in srgb, var(--text) 18%, transparent); }
.button-secondary, .button-outline { color: var(--text); border-color: var(--line-strong); background: color-mix(in srgb, var(--surface) 80%, transparent); }
.button-secondary:hover, .button-outline:hover { border-color: var(--brand); }
.button-small { min-height: 40px; padding-inline: 14px; font-size: .78rem; border-radius: 11px; }

.hero { min-height: 100vh; display: flex; align-items: center; padding-top: calc(var(--header-h) + 74px); overflow: clip; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(340px, .8fr); gap: clamp(52px, 7vw, 92px); align-items: center; }
.eyebrow { width: fit-content; display: flex; align-items: center; gap: 9px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 12%, transparent); }
.hero-kicker { margin: 27px 0 8px; color: var(--brand); font-weight: 750; letter-spacing: -.01em; }
.hero h1 { margin: 0; font-size: clamp(3.25rem, 6.9vw, 6.6rem); line-height: .93; letter-spacing: -.065em; max-width: 900px; }
.hero h1 span { color: var(--muted); }
.hero-summary { max-width: 710px; margin: 30px 0 0; color: var(--muted); font-size: clamp(1rem, 1.35vw, 1.12rem); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.quick-facts { display: grid; grid-template-columns: repeat(3, max-content); gap: 34px; margin-top: 48px; }
.quick-facts div { display: grid; }
.quick-facts strong { font-size: 1.45rem; line-height: 1; }
.quick-facts span { margin-top: 7px; color: var(--muted); font-size: .75rem; }
.hero-visual { position: relative; min-height: 570px; display: grid; place-items: center; }
.portrait-card { width: min(100%, 400px); position: relative; z-index: 2; padding: 12px; border: 1px solid var(--line-strong); border-radius: 30px; background: linear-gradient(145deg, color-mix(in srgb, var(--surface-strong) 88%, transparent), color-mix(in srgb, var(--surface) 66%, transparent)); box-shadow: var(--shadow); transform: rotate(1.5deg); }
.portrait-card::after { content: ""; position: absolute; inset: 12px; border-radius: 21px; box-shadow: inset 0 -100px 100px -55px rgba(0,0,0,.65); pointer-events: none; }
.portrait-card img { width: 100%; height: 490px; object-fit: cover; object-position: center 22%; border-radius: 21px; filter: saturate(.9) contrast(1.02); }
.portrait-glow { position: absolute; inset: -40px; z-index: -1; background: radial-gradient(circle, color-mix(in srgb, var(--brand) 22%, transparent), transparent 64%); filter: blur(22px); }
.portrait-caption { position: absolute; z-index: 3; left: 28px; right: 28px; bottom: 26px; display: grid; padding: 13px 15px; border: 1px solid rgba(255,255,255,.16); border-radius: 13px; background: rgba(8,16,31,.68); backdrop-filter: blur(14px); color: white; }
.portrait-caption span { color: #becbe0; font-size: .67rem; text-transform: uppercase; letter-spacing: .11em; }
.portrait-caption strong { margin-top: 3px; font-size: .9rem; }
.code-card { position: absolute; z-index: 4; left: -68px; bottom: 10px; width: 300px; border: 1px solid var(--line-strong); border-radius: 17px; overflow: hidden; background: color-mix(in srgb, var(--surface-strong) 94%, transparent); box-shadow: var(--shadow); transform: rotate(-2deg); }
.code-card-head { display: flex; align-items: center; gap: 6px; padding: 11px 13px; border-bottom: 1px solid var(--line); }
.code-card-head span { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); opacity: .55; }
.code-card-head small { margin-left: auto; color: var(--muted); font-size: .65rem; }
.code-card pre { margin: 0; padding: 16px; overflow: hidden; color: var(--text); font: 500 .72rem/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.code-muted { color: var(--muted); }.code-accent { color: var(--accent); }

.section-heading { margin-bottom: 52px; }
.section-heading.horizontal { display: flex; justify-content: space-between; align-items: end; gap: 34px; }
.section-index { display: block; margin-bottom: 12px; color: var(--brand); font: 800 .68rem/1.3 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: .13em; }
.section-heading h2, .education-wrap h2, .contact-copy h2 { margin: 0; font-size: clamp(2.25rem, 4.4vw, 4.45rem); line-height: 1.02; letter-spacing: -.052em; }
.section-heading.horizontal h2 { font-size: clamp(2.1rem, 3.6vw, 3.8rem); }
.section-heading > p { max-width: 430px; margin: 0; color: var(--muted); font-size: .96rem; }

.about-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(52px, 8vw, 110px); }
.about-copy > p { margin: 0 0 22px; color: var(--muted); font-size: 1.04rem; }
.principles { display: grid; margin-top: 42px; border-top: 1px solid var(--line); }
.principles > div { display: grid; grid-template-columns: 44px 165px 1fr; gap: 16px; align-items: start; padding: 18px 0; border-bottom: 1px solid var(--line); }
.principles span { color: var(--brand); font: 800 .65rem ui-monospace, monospace; }
.principles strong { font-size: .9rem; }
.principles small { color: var(--muted); font-size: .8rem; }

.skill-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.skill-card { position: relative; min-height: 270px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, var(--surface), color-mix(in srgb, var(--surface) 55%, transparent)); overflow: hidden; transition: transform .25s ease, border-color .25s ease; }
.skill-card:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.skill-icon { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 12px; color: var(--brand); font: 900 .76rem ui-monospace, monospace; background: color-mix(in srgb, var(--brand) 8%, transparent); }
.skill-card h3 { margin: 24px 0 8px; font-size: 1.15rem; }
.skill-card p { max-width: 530px; margin: 0 0 22px; color: var(--muted); font-size: .88rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { padding: 6px 9px; border: 1px solid var(--line); border-radius: 8px; background: color-mix(in srgb, var(--surface-strong) 68%, transparent); color: var(--muted); font-size: .69rem; font-weight: 750; }

.experience-list { border-top: 1px solid var(--line); }
.experience-card { display: grid; grid-template-columns: 220px 1fr; gap: 36px; padding: 44px 0; border-bottom: 1px solid var(--line); }
.experience-meta { display: flex; flex-direction: column; color: var(--muted); font: 700 .74rem/1.5 ui-monospace, monospace; }
.experience-meta small { margin-top: 8px; color: var(--brand); }
.experience-title { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.experience-title h3 { margin: 0; font-size: 1.45rem; letter-spacing: -.025em; }
.experience-title a { color: var(--brand); font-size: .78rem; font-weight: 800; text-decoration: none; }
.experience-main > p { max-width: 760px; color: var(--muted); margin: 13px 0 20px; }
.experience-main ul { margin: 0 0 24px; padding-left: 18px; color: var(--muted); font-size: .88rem; }
.experience-main li + li { margin-top: 7px; }

.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.project-card { min-height: 330px; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: transform .25s ease, border-color .25s ease; }
.project-card:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.project-card.featured { background: radial-gradient(circle at 85% 0%, color-mix(in srgb, var(--brand) 15%, transparent), transparent 35%), var(--surface); }
.project-top { display: flex; align-items: center; justify-content: space-between; }
.project-number { color: var(--brand); font: 900 .69rem ui-monospace, monospace; }
.project-type { padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .65rem; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.project-card h3 { margin: 45px 0 12px; font-size: 1.35rem; letter-spacing: -.03em; }
.project-card p { margin: 0 0 22px; color: var(--muted); font-size: .88rem; }
.project-card .chips { margin-top: auto; }
.project-focus { display: grid; gap: 3px; padding: 12px 0 17px; margin: -5px 0 18px; border-block: 1px solid var(--line); }
.project-focus span { color: var(--brand); font-size: .65rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.project-focus strong { font-size: .78rem; }

.education-wrap { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(40px, 8vw, 100px); align-items: end; }
.education-card { display: grid; grid-template-columns: 90px 1fr; gap: 22px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.education-year { color: var(--brand); font: 900 .76rem ui-monospace, monospace; }
.education-card h3 { margin: 0 0 7px; font-size: 1.08rem; }
.education-card p { margin: 0; color: var(--muted); font-size: .85rem; }

.contact-section { padding-bottom: 90px; }
.contact-shell { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(45px, 8vw, 100px); padding: clamp(28px, 5vw, 64px); border: 1px solid var(--line-strong); border-radius: 30px; background: radial-gradient(circle at 15% 0%, color-mix(in srgb, var(--brand) 13%, transparent), transparent 34%), var(--surface); box-shadow: var(--shadow); }
.contact-copy h2 { max-width: 650px; }
.contact-copy p { max-width: 600px; margin: 22px 0 0; color: var(--muted); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.contact-list { display: grid; align-content: center; border-top: 1px solid var(--line); }
.contact-list > a, .contact-list > div { display: grid; grid-template-columns: 90px 1fr auto; gap: 16px; align-items: center; min-width: 0; padding: 17px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.contact-list span { color: var(--muted); font-size: .72rem; }
.contact-list strong { overflow-wrap: anywhere; font-size: .82rem; }
.contact-list b { color: var(--brand); font-size: .8rem; }

.site-footer { padding: 25px 0 36px; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; align-items: center; font-size: .74rem; }
.footer-inner p { margin: 0; }.footer-inner a { text-decoration: none; color: var(--text); font-weight: 800; }

.resume-dialog { width: min(960px, calc(100vw - 32px)); height: min(820px, calc(100vh - 32px)); padding: 0; border: 1px solid var(--line-strong); border-radius: 22px; background: var(--surface-strong); color: var(--text); box-shadow: var(--shadow); overflow: hidden; }
.resume-dialog::backdrop { background: rgba(0, 0, 0, .68); backdrop-filter: blur(6px); }
.resume-dialog-head { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 13px 16px 13px 22px; border-bottom: 1px solid var(--line); }
.resume-dialog-head > div:first-child { display: grid; }.resume-dialog-head small { color: var(--muted); font-size: .65rem; }.resume-dialog-head strong { font-size: .9rem; }
.resume-dialog-actions { display: flex; align-items: center; gap: 8px; }
.resume-frame-wrap { height: calc(100% - 70px); position: relative; background: #101827; }
.resume-frame-wrap iframe { width: 100%; height: 100%; border: 0; background: white; }
.resume-loader { position: absolute; inset: 0; z-index: 1; display: grid; place-content: center; justify-items: center; gap: 12px; color: #b7c4d8; font-size: .76rem; background: #101827; }
.resume-loader span { width: 32px; height: 32px; border: 2px solid rgba(255,255,255,.15); border-top-color: #7dd3fc; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; transition-delay: var(--delay, 0ms); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .nav-menu { position: fixed; top: calc(var(--header-h) + 8px); left: 24px; right: 24px; display: grid; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: color-mix(in srgb, var(--bg) 94%, transparent); backdrop-filter: blur(18px); box-shadow: var(--shadow); transform: translateY(-10px); opacity: 0; pointer-events: none; transition: .2s ease; }
  .nav-menu.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-menu a { padding: 12px; border-radius: 10px; }.nav-menu a:hover { background: var(--surface); }
  .menu-toggle { display: block; }
  .hero-grid { grid-template-columns: 1fr; }.hero-copy { max-width: 790px; }.hero-visual { max-width: 560px; width: 100%; margin-inline: auto; }
  .about-grid, .education-wrap, .contact-shell { grid-template-columns: 1fr; }
  .experience-card { grid-template-columns: 170px 1fr; }
}

@media (max-width: 720px) {
  :root { --header-h: 68px; }
  .container { width: min(calc(100% - 32px), var(--container)); }
  .section { padding: 78px 0; }
  .brand-copy { display: none; }
  .nav { gap: 9px; }.nav-actions { gap: 7px; }.nav-actions .button { display: none; }
  .hero { padding-top: calc(var(--header-h) + 52px); }
  .hero h1 { font-size: clamp(3rem, 15.4vw, 5.25rem); }
  .hero-summary { font-size: .98rem; }
  .quick-facts { grid-template-columns: repeat(3, 1fr); gap: 14px; }.quick-facts strong { font-size: 1.2rem; }.quick-facts span { font-size: .65rem; }
  .hero-visual { min-height: 500px; }.portrait-card { max-width: 340px; }.portrait-card img { height: 425px; }.code-card { left: 0; width: 260px; }
  .section-heading.horizontal { display: block; }.section-heading > p { margin-top: 18px; }
  .principles > div { grid-template-columns: 38px 1fr; }.principles small { grid-column: 2; }
  .skill-grid, .projects-grid { grid-template-columns: 1fr; }
  .skill-card { min-height: 0; }
  .experience-card { grid-template-columns: 1fr; gap: 16px; padding: 34px 0; }.experience-meta { flex-direction: row; justify-content: space-between; }.experience-meta small { margin: 0; }.experience-title { display: grid; }.experience-title a { width: fit-content; }
  .education-card { grid-template-columns: 1fr; }
  .contact-shell { padding: 28px 20px; border-radius: 22px; }.contact-list > a, .contact-list > div { grid-template-columns: 74px 1fr auto; gap: 9px; }
  .footer-inner { display: grid; }
  .resume-dialog-head .button { display: none; }
}

@media (max-width: 460px) {
  .quick-facts { gap: 8px; }.quick-facts span { max-width: 80px; }
  .hero-visual { min-height: 455px; }.portrait-card img { height: 390px; }.code-card { width: 232px; bottom: -6px; }.code-card pre { font-size: .64rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}