:root {
    --accent: #7dd5f6;
    --accent-rgb: 125, 213, 246;
    --bg: #f4f3ef;
    --surface: #ffffff;
    --surface-soft: #ebeae5;
    --text: #111719;
    --muted: #626b6f;
    --line: rgba(17, 23, 25, 0.16);
    --line-strong: rgba(17, 23, 25, 0.32);
    --header-bg: rgba(244, 243, 239, 0.86);
    --shadow: 0 24px 70px rgba(22, 35, 40, 0.10);
    --display: "Manrope", Arial, sans-serif;
    --mono: "DM Mono", Consolas, monospace;
}

[data-theme="dark"] {
    --bg: #0b1114;
    --surface: #121a1e;
    --surface-soft: #172126;
    --text: #f2f5f5;
    --muted: #9ba8ad;
    --line: rgba(255, 255, 255, 0.13);
    --line-strong: rgba(255, 255, 255, 0.28);
    --header-bg: rgba(11, 17, 20, 0.86);
    --shadow: 0 26px 80px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--bg); color: var(--text); font-family: var(--display); font-size: 16px; line-height: 1.6; transition: background-color .35s ease, color .35s ease; }
::selection { background: var(--accent); color: #071114; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; z-index: 1000; top: 1rem; left: 1rem; padding: .7rem 1rem; transform: translateY(-160%); background: var(--accent); color: #071114; font-weight: 700; }
.skip-link:focus { transform: translateY(0); }
.page-shell { width: min(1240px, calc(100% - 64px)); margin-inline: auto; }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; border-bottom: 1px solid transparent; transition: border-color .25s ease, background-color .25s ease, backdrop-filter .25s ease; }
.site-header.scrolled { border-color: var(--line); background: var(--header-bg); backdrop-filter: blur(18px); }
.header-inner { width: min(1400px, calc(100% - 48px)); height: 78px; margin-inline: auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.brand { display: inline-flex; align-items: center; gap: .8rem; width: max-content; }
.brand-mark { display: grid; width: 35px; height: 35px; place-items: center; border: 1px solid var(--text); font-family: var(--mono); font-size: .72rem; font-weight: 500; }
.brand-name { font-weight: 700; letter-spacing: -.035em; }
.brand-name span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 2rem; }
.main-nav a { position: relative; color: var(--muted); font-size: .82rem; font-weight: 600; }
.main-nav a::after { content: ""; position: absolute; right: 0; bottom: -.45rem; left: 0; height: 1px; transform: scaleX(0); transform-origin: right; background: var(--accent); transition: transform .25s ease; }
.main-nav a:hover, .main-nav a.active { color: var(--text); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); transform-origin: left; }
.header-actions { display: flex; justify-content: flex-end; align-items: center; gap: .7rem; }
.icon-button { display: grid; width: 42px; height: 42px; padding: 0; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; transition: border-color .2s ease, transform .2s ease, background-color .2s ease; }
.icon-button:hover { border-color: var(--accent); background: rgba(var(--accent-rgb), .1); transform: translateY(-2px); }
.icon-button svg { width: 17px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.sun-icon { display: none; }
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
.menu-toggle { display: none; }
.availability { display: inline-flex; align-items: center; gap: .65rem; font-family: var(--mono); font-size: .76rem; letter-spacing: .02em; }
.availability.compact { padding: .6rem .9rem; border: 1px solid var(--line); border-radius: 999px; }
.status-dot { position: relative; width: 8px; height: 8px; flex: 0 0 auto; border-radius: 50%; background: #5ee596; box-shadow: 0 0 0 4px rgba(94, 229, 150, .12); }
.status-dot::after { content: ""; position: absolute; inset: -4px; border: 1px solid #5ee596; border-radius: inherit; animation: status-pulse 2s infinite; }
@keyframes status-pulse { 70%, 100% { transform: scale(1.8); opacity: 0; } }

.hero { min-height: 100svh; padding-top: 78px; display: flex; flex-direction: column; border-bottom: 1px solid var(--line); }
.hero-grid { flex: 1; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: clamp(3rem, 8vw, 8rem); padding-block: clamp(4.5rem, 8vw, 8rem) 4rem; }
.eyebrow { display: flex; align-items: center; gap: .8rem; margin: 0 0 2.2rem; color: var(--muted); font-family: var(--mono); font-size: .73rem; letter-spacing: .09em; text-transform: uppercase; }
.eyebrow span { color: var(--accent); }
.hero h1 { max-width: 820px; margin: 0; font-size: clamp(3.4rem, 7.1vw, 7.7rem); font-weight: 600; letter-spacing: -.075em; line-height: .92; }
h1 em, h2 em { color: var(--accent); font-style: normal; }
.hero-lead { max-width: 610px; margin: 2.2rem 0 0; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.2rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.4rem; }
.hero-actions .button { gap: 1.4rem; }
.button { display: inline-flex; min-height: 50px; padding: .85rem 1.2rem; align-items: center; justify-content: space-between; gap: 2.6rem; border: 1px solid var(--line-strong); font-size: .83rem; font-weight: 700; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { border-color: var(--accent); background: var(--accent); color: #071114; }
.button-ghost:hover { background: var(--text); color: var(--bg); }
.button-download { border-color: rgba(var(--accent-rgb), .6); }
.hero-socials { display: flex; gap: 1.5rem; margin-top: 3rem; }
.hero-socials a { color: var(--muted); font-family: var(--mono); font-size: .75rem; }
.hero-socials a span { color: var(--accent); }
.hero-socials a:hover { color: var(--text); }
.hero-visual { position: relative; justify-self: end; width: min(100%, 430px); }
.portrait-frame { position: relative; overflow: hidden; aspect-ratio: .77; border: 1px solid var(--line-strong); background: var(--surface-soft); box-shadow: var(--shadow); }
.portrait-frame::before { content: ""; position: absolute; z-index: 1; inset: 12px; border: 1px solid rgba(var(--accent-rgb), .45); pointer-events: none; }
.portrait-frame::after { content: ""; position: absolute; inset: auto 0 0; height: 45%; background: linear-gradient(transparent, rgba(5, 12, 15, .55)); pointer-events: none; }
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 18%; filter: saturate(.82) contrast(1.03); }
.frame-label, .frame-index { position: absolute; z-index: 2; color: #fff; font-family: var(--mono); font-size: .66rem; letter-spacing: .08em; }
.frame-label { top: 1.6rem; left: 1.6rem; padding: .4rem .55rem; background: rgba(7, 17, 20, .72); }
.frame-index { right: 1.6rem; bottom: 1.6rem; }
.experience-note { position: absolute; z-index: 3; right: -2.2rem; bottom: 3.5rem; display: flex; padding: 1.2rem 1.3rem; align-items: center; gap: .8rem; background: var(--accent); color: #071114; box-shadow: var(--shadow); }
.experience-note strong { font-size: 2.1rem; line-height: 1; }
.experience-note span { font-family: var(--mono); font-size: .64rem; line-height: 1.5; text-transform: uppercase; }
.hero-ticker { overflow: hidden; border-top: 1px solid var(--line); padding: .85rem 0; white-space: nowrap; }
.hero-ticker div { width: max-content; color: var(--muted); font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; animation: ticker 35s linear infinite; }
.hero-ticker span { padding: 0 1.5rem; color: var(--accent); }
@keyframes ticker { to { transform: translateX(-50%); } }

.section { padding-block: clamp(6rem, 11vw, 10rem); border-bottom: 1px solid var(--line); }
.section-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(3rem, 9vw, 9rem); }
.section-heading h2, .section-top h2, .contact-inner h2 { margin: 0; font-size: clamp(2.8rem, 5.2vw, 5.8rem); font-weight: 600; letter-spacing: -.065em; line-height: .98; }
.about-content { padding-top: 3.7rem; }
.about-intro { max-width: 850px; margin: 0 0 3.5rem; font-size: clamp(1.55rem, 2.6vw, 2.55rem); font-weight: 500; letter-spacing: -.04em; line-height: 1.25; }
.about-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; color: var(--muted); }
.about-columns p { margin: 0; }
.quick-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 4rem 0 0; }
.quick-facts div { padding-top: 1.2rem; border-top: 1px solid var(--line-strong); }
.quick-facts dt { margin-bottom: .45rem; color: var(--muted); font-family: var(--mono); font-size: .65rem; letter-spacing: .08em; text-transform: uppercase; }
.quick-facts dd { margin: 0; font-size: .9rem; font-weight: 600; }

.journey { background: var(--surface); }
.section-top { display: flex; margin-bottom: clamp(4rem, 7vw, 7rem); align-items: end; justify-content: space-between; gap: 3rem; }
.section-top .eyebrow { margin-bottom: 1.5rem; }
.section-top > p { max-width: 400px; margin: 0 0 .7rem; color: var(--muted); }
.journey-layout { display: grid; grid-template-columns: .7fr 1.3fr; align-items: start; gap: clamp(3rem, 7vw, 7rem); }
.education-card { position: sticky; top: 120px; min-height: 490px; padding: 2rem; display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--bg); }
.card-kicker { font-family: var(--mono); font-size: .65rem; letter-spacing: .12em; }
.education-icon { display: grid; width: 100px; height: 100px; margin: 3.5rem 0; place-items: center; border: 1px solid var(--accent); border-radius: 50%; color: var(--accent); font-family: var(--mono); font-size: .8rem; }
.pill { display: inline-block; padding: .35rem .6rem; border-radius: 999px; background: rgba(var(--accent-rgb), .15); color: var(--text); font-family: var(--mono); font-size: .62rem; text-transform: uppercase; margin-top: 1.2rem; }
.education-card h3 { margin: .9rem 0 .5rem; font-size: 1.55rem; letter-spacing: -.035em; line-height: 1.2; }
.education-card p { margin: 0; color: var(--muted); }
.education-detail { margin-top: auto !important; padding-top: 2rem; border-top: 1px solid var(--line); font-size: .88rem; }
.timeline { border-top: 1px solid var(--line-strong); }
.timeline-item { display: grid; grid-template-columns: 160px 1fr; gap: 2rem; padding: 2.7rem 0; border-bottom: 1px solid var(--line); }
.timeline-meta { position: relative; color: var(--muted); font-family: var(--mono); font-size: .65rem; }
.timeline-dot { position: absolute; top: .35rem; right: -2.4rem; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px rgba(var(--accent-rgb), .12); }
.timeline-content { padding-left: 1rem; }
.role-company { margin: 0 0 .65rem; color: var(--accent); font-family: var(--mono); font-size: .66rem; letter-spacing: .08em; }
.timeline-content h3 { margin: 0 0 1rem; font-size: clamp(1.35rem, 2vw, 1.9rem); letter-spacing: -.04em; }
.timeline-content > p:not(.role-company) { margin: 0; color: var(--muted); }
.tag-list { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.4rem; }
.tag-list span { padding: .38rem .58rem; border: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: .61rem; }

.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.skill-group { min-height: 310px; padding: 2rem; border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); background: var(--bg); transition: background .25s ease; }
.skill-group:hover { background: var(--surface); }
.skill-number { color: var(--accent); font-family: var(--mono); font-size: .7rem; }
.skill-group h3 { margin: 2.8rem 0 2rem; font-size: 1.75rem; letter-spacing: -.04em; }
.skill-cloud { display: flex; flex-wrap: wrap; gap: .6rem; }
.skill-cloud span { padding: .55rem .8rem; border: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: .68rem; transition: border-color .2s ease, color .2s ease; }
.skill-cloud span:hover { border-color: var(--accent); color: var(--text); }

.projects { background: var(--surface); }
.projects-list { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem 1.5rem; }
.project-card.featured { grid-column: 1 / -1; }
.project-card.featured .project-media { aspect-ratio: 2 / .92; }
.project-card.personal .project-media { background: #0e0d24; }
.project-media { position: relative; display: block; overflow: hidden; aspect-ratio: 1.45; background: var(--surface-soft); }
.project-media::after { content: ""; position: absolute; inset: 0; background: rgba(6, 12, 14, .12); transition: opacity .3s ease; }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.65,.25,1); }
.project-media:hover img { transform: scale(1.035); }
.project-media:hover::after { opacity: 0; }
.visit-bubble { position: absolute; z-index: 2; right: 1.4rem; bottom: 1.4rem; display: grid; width: 82px; height: 82px; place-items: center; border-radius: 50%; background: var(--accent); color: #071114; font-family: var(--mono); font-size: .67rem; line-height: 1.35; text-align: center; transform: scale(.85); transition: transform .25s ease; }
.project-media:hover .visit-bubble { transform: scale(1); }
.project-info { padding-top: 1.7rem; }
.project-title > span { color: var(--accent); font-family: var(--mono); font-size: .62rem; letter-spacing: .08em; }
.project-title h3 { margin: .45rem 0 .8rem; font-size: clamp(1.45rem, 2.4vw, 2.25rem); letter-spacing: -.045em; }
.project-info > p { max-width: 720px; margin: 0; color: var(--muted); }
.project-bottom { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; }
.project-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .7rem 1rem; font-family: var(--mono); font-size: .68rem; }
.project-links a { border-bottom: 1px solid var(--line-strong); }
.project-links a:hover { border-color: var(--accent); color: var(--accent); }
.project-links span { color: var(--muted); }

.contact-section { padding-block: clamp(6rem, 12vw, 11rem); background: var(--accent); color: #071114; }
.contact-inner { text-align: center; }
.contact-inner .availability { margin-bottom: 4.5rem; }
.contact-inner .status-dot { background: #071114; box-shadow: 0 0 0 4px rgba(7,17,20,.12); }
.contact-inner .status-dot::after { border-color: #071114; }
.contact-inner .eyebrow { justify-content: center; color: rgba(7,17,20,.62); }
.contact-inner .eyebrow span, .contact-inner h2 em { color: #071114; }
.contact-inner h2 { font-size: clamp(3rem, 7vw, 7.5rem); }
.contact-email { display: inline-flex; margin-top: 4rem; padding-bottom: .5rem; gap: 2rem; border-bottom: 1px solid rgba(7,17,20,.45); font-family: var(--mono); font-size: clamp(.8rem, 1.5vw, 1.05rem); }
.contact-email:hover { border-color: #071114; }

.site-footer { padding: 4rem 0 2rem; background: #071114; color: #f4f7f7; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr 1.3fr; align-items: start; gap: 3rem; padding-bottom: 5rem; }
.footer-brand .brand-mark { border-color: #f4f7f7; }
.footer-top > p { margin: 0; color: #8d9ca2; font-size: .88rem; }
.footer-socials { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(255,255,255,.18); }
.footer-socials a { position: relative; display: flex; min-height: 115px; padding: 1.2rem; flex-direction: column; background: #071114; transition: background .2s ease, color .2s ease; }
.footer-socials a:hover { background: var(--accent); color: #071114; }
.footer-socials span { font-weight: 700; }
.footer-socials small { margin-top: auto; color: #8d9ca2; font-family: var(--mono); font-size: .62rem; }
.footer-socials a:hover small { color: rgba(7,17,20,.65); }
.footer-socials b { position: absolute; top: 1.1rem; right: 1.2rem; color: var(--accent); }
.footer-socials a:hover b { color: #071114; }
.footer-bottom { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.13); color: #8d9ca2; font-family: var(--mono); font-size: .62rem; }
.footer-bottom div { display: flex; gap: 1.5rem; }
.footer-bottom > a { justify-self: end; }
.footer-bottom a:hover { color: var(--accent); }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.65,.25,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

@media (max-width: 1050px) {
    .page-shell { width: min(100% - 44px, 920px); }
    .header-inner { width: calc(100% - 36px); }
    .main-nav { gap: 1.25rem; }
    .availability.compact { display: none; }
    .hero-grid { gap: 3.5rem; }
    .experience-note { right: -1rem; }
    .section-grid, .journey-layout { grid-template-columns: 1fr; }
    .section-heading h2 br { display: none; }
    .about-content { padding-top: 0; }
    .education-card { position: static; min-height: 0; display: grid; grid-template-columns: auto 1fr; gap: 2rem; }
    .education-card .card-kicker, .education-detail { grid-column: 1 / -1; }
    .education-icon { margin: 0; }
    .projects-list { gap-block: 4rem; }
}

@media (max-width: 760px) {
    .page-shell { width: calc(100% - 32px); }
    .header-inner { width: calc(100% - 28px); height: 68px; grid-template-columns: 1fr auto; }
    .brand-name { font-size: .9rem; }
    .main-nav { position: fixed; inset: 68px 0 auto; height: calc(100svh - 68px); padding: 3rem 1.5rem; display: flex; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg); visibility: hidden; opacity: 0; transform: translateY(-1rem); transition: opacity .25s ease, transform .25s ease, visibility .25s; }
    .main-nav.open { visibility: visible; opacity: 1; transform: translateY(0); }
    .main-nav a { padding: 1.1rem 0; border-bottom: 1px solid var(--line); font-size: 1.45rem; }
    .main-nav a::after { display: none; }
    .menu-toggle { display: grid; position: relative; }
    .menu-toggle span { position: absolute; top: 50%; left: 50%; width: 17px; height: 1px; background: currentColor; transform-origin: center; transition: transform .25s ease, opacity .18s ease; }
    .menu-toggle span:nth-child(1) { transform: translate(-50%, -6px); }
    .menu-toggle span:nth-child(2) { transform: translate(-50%, 0); }
    .menu-toggle span:nth-child(3) { transform: translate(-50%, 6px); }
    .menu-toggle.open span:nth-child(1) { transform: translate(-50%, 0) rotate(45deg); }
    .menu-toggle.open span:nth-child(2) { opacity: 0; transform: translate(-50%, 0) scaleX(0); }
    .menu-toggle.open span:nth-child(3) { transform: translate(-50%, 0) rotate(-45deg); }
    body.menu-open { overflow: hidden; }
    .hero { padding-top: 68px; }
    .hero-grid { grid-template-columns: 1fr; padding-top: 4.5rem; }
    .hero h1 { font-size: clamp(3.2rem, 15vw, 5.3rem); }
    .hero-visual { justify-self: center; width: min(92%, 400px); margin-top: 1rem; }
    .experience-note { right: -1rem; bottom: 2rem; }
    .hero-ticker { margin-top: 2rem; }
    .section { padding-block: 6rem; }
    .section-top { display: block; }
    .section-top > p { margin-top: 1.8rem; }
    .about-columns, .quick-facts { grid-template-columns: 1fr; }
    .about-columns { gap: 1.2rem; }
    .quick-facts { gap: 1.6rem; }
    .education-card { display: flex; }
    .timeline-item { grid-template-columns: 1fr; gap: 1.2rem; }
    .timeline-dot { display: none; }
    .timeline-content { padding-left: 0; }
    .skills-grid, .projects-list { grid-template-columns: 1fr; }
    .project-card.featured { grid-column: auto; }
    .project-card.featured .project-media, .project-media { aspect-ratio: 1.32; }
    .project-bottom { display: block; }
    .project-links { margin-top: 1.4rem; justify-content: flex-start; }
    .footer-top { grid-template-columns: 1fr; padding-bottom: 3.5rem; }
    .footer-bottom { grid-template-columns: 1fr; }
    .footer-bottom div { flex-direction: column; gap: .6rem; }
    .footer-bottom > a { justify-self: start; }
}

@media (max-width: 460px) {
    .hero h1 { font-size: 3.4rem; }
    .hero-lead { font-size: .96rem; }
    .hero-actions { flex-direction: column; }
    .button { width: 100%; }
    .hero-socials { margin-top: 2rem; }
    .experience-note { right: -.5rem; padding: 1rem; }
    .section-heading h2, .section-top h2, .contact-inner h2 { font-size: 2.75rem; }
    .about-intro { font-size: 1.45rem; }
    .education-card { padding: 1.5rem; }
    .education-icon { width: 82px; height: 82px; }
    .skill-group { min-height: 0; padding: 1.5rem; }
    .project-media, .project-card.featured .project-media { aspect-ratio: 1.12; }
    .visit-bubble { width: 68px; height: 68px; right: 1rem; bottom: 1rem; }
    .footer-socials { grid-template-columns: 1fr; }
}

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