/* ---------- Tokens ---------- */
:root {
  --bg: #0a0e1a;
  --bg-2: #0f1526;
  --surface: rgba(255, 255, 255, .04);
  --surface-2: rgba(255, 255, 255, .07);
  --line: rgba(255, 255, 255, .10);
  --text: #e7ecf6;
  --muted: #98a3bb;
  --accent: #22d3ee;
  --accent-2: #a78bfa;
  --grad: linear-gradient(120deg, #22d3ee 0%, #818cf8 55%, #c084fc 100%);
  --glow-1: rgba(34, 211, 238, .16);
  --glow-2: rgba(167, 139, 250, .16);
  --on-accent: #06101c;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, .6);
  --radius: 18px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

/* Light palette: explicit choice, or the system preference when nothing was chosen. */
:root[data-theme="light"] {
  --bg: #f6f8fc;
  --bg-2: #eef2f9;
  --surface: rgba(255, 255, 255, .8);
  --surface-2: #ffffff;
  --line: rgba(15, 23, 42, .12);
  --text: #0f172a;
  --muted: #55627a;
  --accent: #0891b2;
  --accent-2: #7c3aed;
  --grad: linear-gradient(120deg, #0891b2 0%, #4f46e5 55%, #9333ea 100%);
  --glow-1: rgba(8, 145, 178, .14);
  --glow-2: rgba(124, 58, 237, .12);
  --on-accent: #ffffff;
  --shadow: 0 20px 40px -24px rgba(15, 23, 42, .25);
  color-scheme: light;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f8fc;
    --bg-2: #eef2f9;
    --surface: rgba(255, 255, 255, .8);
    --surface-2: #ffffff;
    --line: rgba(15, 23, 42, .12);
    --text: #0f172a;
    --muted: #55627a;
    --accent: #0891b2;
    --accent-2: #7c3aed;
    --grad: linear-gradient(120deg, #0891b2 0%, #4f46e5 55%, #9333ea 100%);
    --glow-1: rgba(8, 145, 178, .14);
    --glow-2: rgba(124, 58, 237, .12);
    --on-accent: #ffffff;
    --shadow: 0 20px 40px -24px rgba(15, 23, 42, .25);
    color-scheme: light;
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(900px 500px at 85% -5%, var(--glow-2), transparent 60%),
    radial-gradient(800px 500px at -5% 10%, var(--glow-1), transparent 60%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }
b { font-weight: 650; }
.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--on-accent); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px) saturate(160%); -webkit-backdrop-filter: blur(14px) saturate(160%); background: color-mix(in srgb, var(--bg) 70%, transparent); border-bottom: 1px solid var(--line); }
.nav__inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-weight: 600; font-size: .95rem; }
.brand__mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--grad); color: var(--on-accent); font-size: .85rem; font-weight: 800; }
.nav nav { margin-left: auto; }
.nav__links { display: flex; gap: 4px; }
.nav__links a { display: block; padding: 8px 12px; border-radius: 10px; color: var(--muted); font-size: .95rem; transition: color .2s, background .2s; }
.nav__links a:hover, .nav__links a.active { color: var(--text); background: var(--surface-2); }
.lang { height: 38px; padding: 0 12px; margin-right: -12px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--text); font-family: var(--mono); font-size: .8rem; font-weight: 700; letter-spacing: .06em; cursor: pointer; transition: background .2s; }
.lang:hover { background: var(--surface-2); }
.theme { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--text); cursor: pointer; transition: background .2s; }
.theme:hover { background: var(--surface-2); }
.i-sun { display: none; }
:root[data-theme="light"] .i-sun { display: block; }
:root[data-theme="light"] .i-moon { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .i-sun { display: block; }
  :root:not([data-theme="dark"]) .i-moon { display: none; }
}

/* ---------- Hero ---------- */
.hero { padding: 72px 0 40px; }
.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; font-size: .85rem; color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 0 rgba(52, 211, 153, .6); animation: pulse 2.2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); } 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); } }
h1 { margin-top: 22px; font-size: clamp(2.8rem, 7vw, 5rem); line-height: 1.02; letter-spacing: -.035em; font-weight: 800; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.role { margin-top: 20px; font-family: var(--mono); font-size: 1rem; color: var(--accent); }
.sep { color: var(--muted); margin: 0 .35em; }
.lead { margin-top: 18px; max-width: 34em; font-size: 1.2rem; color: var(--muted); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.cta--center { justify-content: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 22px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); color: var(--text); font: inherit; font-weight: 600; font-size: .98rem; cursor: pointer; transition: transform .15s, background .2s, border-color .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-2px); background: var(--surface-2); border-color: var(--accent); }
.btn svg { margin-right: 8px; flex: none; }
.btn--primary { background: var(--grad); color: var(--on-accent); border-color: transparent; box-shadow: 0 10px 30px -10px var(--accent); }
.btn--primary:hover { background: var(--grad); border-color: transparent; box-shadow: 0 14px 34px -10px var(--accent); }
.meta { display: flex; align-items: center; gap: 8px; margin-top: 26px; color: var(--muted); font-size: .92rem; }

/* Terminal */
.terminal { border: 1px solid var(--line); border-radius: var(--radius); background: #0b1120; box-shadow: var(--shadow); overflow: hidden; color: #d8e1f3; transform: rotate(1.2deg); transition: transform .4s; }
.terminal:hover { transform: rotate(0); }
.terminal__bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; background: rgba(255, 255, 255, .05); border-bottom: 1px solid rgba(255, 255, 255, .08); }
.terminal__bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.terminal__bar i:nth-child(2) { background: #febc2e; }
.terminal__bar i:nth-child(3) { background: #28c840; }
.terminal__bar span { margin-left: 10px; font-family: var(--mono); font-size: .78rem; color: #7f8aa5; }
.terminal__body { margin: 0; padding: 20px 22px 24px; overflow-x: auto; font-family: var(--mono); font-size: .86rem; line-height: 1.7; }
.c-dim { color: #5c6a8a; }
.c-hi { color: #22d3ee; font-weight: 600; }
.c-key { color: #c4b5fd; }
.c-val { color: #86efac; }
.cursor { display: inline-block; width: 8px; height: 1em; vertical-align: -2px; background: #22d3ee; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 64px; }
.stats li { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.stats strong { display: block; font-size: 2.2rem; line-height: 1.1; letter-spacing: -.03em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats span { display: block; margin-top: 8px; color: var(--muted); font-size: .9rem; line-height: 1.45; }

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.kicker { font-family: var(--mono); font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
h2 { margin-top: 12px; font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; letter-spacing: -.025em; font-weight: 750; max-width: 18em; }
.two { display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: start; }
.muted { margin-top: 16px; color: var(--muted); }
.prose p + p, .prose p + ul, .prose ul + p { margin-top: 16px; }
.prose { color: var(--muted); }
.prose b { color: var(--text); }
.ticks li { position: relative; padding-left: 28px; margin-top: 8px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .62em; width: 14px; height: 2px; background: var(--grad); border-radius: 2px; }

/* Portrait */
.portrait { position: relative; margin: 32px 0 0; width: min(100%, 300px); aspect-ratio: 4 / 5; border-radius: 24px; overflow: hidden; border: 1px solid var(--line); background: var(--surface-2); box-shadow: var(--shadow); }
.portrait::before { content: ""; position: absolute; inset: -40%; background: var(--grad); opacity: .18; filter: blur(40px); z-index: 0; }
.portrait img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; }
.portrait__mono { display: none; position: absolute; inset: 0; z-index: 1; place-items: center; font-family: var(--mono); font-size: 4.5rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.portrait--empty img { display: none; }
.portrait--empty .portrait__mono { display: grid; }
.portrait figcaption { position: absolute; left: 12px; bottom: 12px; z-index: 2; padding: 4px 12px; border-radius: 999px; background: rgba(10, 14, 26, .72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: #e7ecf6; font-size: .8rem; }

/* Timeline */
.timeline { position: relative; margin-top: 44px; }
.timeline::before { content: ""; position: absolute; left: 200px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--accent), var(--accent-2), transparent); opacity: .5; }
.job { position: relative; display: grid; grid-template-columns: 200px 1fr; gap: 0 36px; padding-bottom: 28px; }
.job::before { content: ""; position: absolute; left: 194px; top: 26px; width: 14px; height: 14px; border-radius: 50%; background: var(--bg); border: 3px solid var(--accent); }
.job:first-child::before { background: var(--accent); box-shadow: 0 0 0 6px var(--glow-1); }
.job__when { padding-top: 22px; padding-right: 10px; text-align: right; font-family: var(--mono); font-size: .85rem; color: var(--muted); }
.job__when span { display: block; margin-top: 4px; color: var(--accent); }
.job__card { margin-left: 26px; padding: 24px 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: border-color .2s, transform .2s; }
.job__card:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); transform: translateY(-2px); }
.job h3 { font-size: 1.25rem; letter-spacing: -.01em; }
.job h3 small { margin-left: 8px; padding: 2px 9px; border: 1px solid var(--line); border-radius: 999px; font-size: .72rem; font-weight: 600; color: var(--muted); vertical-align: 3px; }
.job__org { margin-top: 2px; font-weight: 600; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; width: fit-content; }
.job__intro { margin-top: 12px; color: var(--muted); font-size: .98rem; }
.job__card ul { margin-top: 14px; }
.job__card li { position: relative; padding-left: 20px; margin-top: 7px; color: var(--muted); font-size: .97rem; line-height: 1.55; }
.job__card li::before { content: "›"; position: absolute; left: 4px; color: var(--accent); font-weight: 700; }
.job__card li b { color: var(--text); }
.job--featured .job__card { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 7%, var(--surface)), var(--surface)); }
.job__card code { padding: 1px 6px; border-radius: 6px; background: var(--surface-2); font-family: var(--mono); font-size: .88em; color: var(--text); }
.job--small .job__card { padding: 16px 26px; }
.job--small .job__when { padding-top: 14px; }
.job--small::before { top: 20px; }

/* Cards, chips */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 40px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.card h3 { font-size: 1.1rem; margin-bottom: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { padding: 5px 13px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); font-size: .88rem; color: var(--muted); }
.chips li.on { color: var(--text); border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); background: color-mix(in srgb, var(--accent) 12%, transparent); font-weight: 600; }
.note { margin-top: 20px; color: var(--muted); font-size: .92rem; }

/* Certifications */
.cert { position: relative; overflow: hidden; }
.cert::after { content: ""; position: absolute; right: -40px; top: -40px; width: 120px; height: 120px; border-radius: 50%; background: var(--grad); opacity: .12; }
.cert h3 { margin: 10px 0 8px; font-size: 1.35rem; }
.cert p { color: var(--muted); font-size: .95rem; }
.cert small { display: block; margin-top: 14px; font-family: var(--mono); font-size: .78rem; color: var(--accent); }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; background: color-mix(in srgb, #34d399 18%, transparent); color: #34d399; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
:root[data-theme="light"] .badge { color: #047857; }
.project h3 { margin-bottom: 8px; font-size: 1.2rem; }
.project p { color: var(--muted); font-size: .96rem; line-height: 1.6; }
.tag { display: block; margin-bottom: 10px; font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.link { display: inline-block; margin-top: 14px; font-weight: 600; color: var(--accent); }
.link:hover { text-decoration: underline; text-underline-offset: 4px; }
.badge--info { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
.roadmap { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin-top: 18px; padding: 20px 26px; border: 1px dashed var(--line); border-radius: var(--radius); }
.roadmap h3 { font-family: var(--mono); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.edu { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 18px; }
.edu > div { padding: 22px 26px; border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0; }
.edu h3 { font-size: 1.05rem; }
.edu p { margin-top: 6px; color: var(--muted); font-size: .93rem; }

/* Homelab */
.muted--top { margin-top: 0; align-self: end; }
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 40px; counter-reset: step; }
.flow li { position: relative; padding: 16px 16px 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.flow li:not(:last-child)::after { content: "→"; position: absolute; right: -17px; top: 50%; transform: translateY(-50%); z-index: 1; color: var(--accent); font-family: var(--mono); font-size: 1.1rem; }
.flow li:last-child { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.flow b { display: block; font-family: var(--mono); font-size: .85rem; color: var(--accent); font-weight: 600; }
.flow span { display: block; margin-top: 4px; color: var(--muted); font-size: .86rem; line-height: 1.45; }
.facts li { position: relative; padding-left: 18px; margin-top: 9px; color: var(--muted); font-size: .94rem; line-height: 1.5; }
.facts li::before { content: ""; position: absolute; left: 0; top: .62em; width: 7px; height: 7px; border-radius: 2px; background: var(--grad); }
.facts b { color: var(--text); }
#homelab .roadmap { margin-top: 18px; }

/* Interests */
.interests { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.interests li { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: transform .2s, border-color .2s; }
.interests li:hover { transform: translateY(-3px); border-color: var(--accent); }
.interests span { font-size: 1.8rem; }
.interests b { display: block; margin-top: 8px; }
.interests small { display: block; margin-top: 4px; color: var(--muted); font-size: .9rem; line-height: 1.5; }

/* Contact */
.contact__box { padding: 64px 24px; text-align: center; border: 1px solid var(--line); border-radius: 28px; background: radial-gradient(600px 260px at 50% 0, var(--glow-1), transparent 70%), var(--surface); }
.contact h2 { margin-inline: auto; }
.contact .lead { margin-inline: auto; }

.foot { padding: 28px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; }
.foot__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }

/* Reveal on scroll (only when JS is on) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .portrait { width: min(100%, 260px); }
  .hero__grid, .two { grid-template-columns: 1fr; gap: 36px; }
  .terminal { transform: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cards--3, .interests { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow li:not(:last-child)::after { display: none; }
  .nav__links { display: none; }
  .nav nav { display: none; }
  .lang { margin-left: auto; margin-right: 0; }
}
@media (max-width: 700px) {
  body { font-size: 1rem; }
  .hero { padding-top: 44px; }
  .section { padding: 60px 0; }
  .cards, .cards--3, .edu, .interests { grid-template-columns: 1fr; }
  .timeline::before { left: 6px; }
  .job { grid-template-columns: 1fr; padding-left: 28px; }
  .job::before { left: 0; top: 8px; }
  .job__when { text-align: left; padding: 0 0 8px; }
  .job__when span { display: inline; margin-left: 10px; }
  .job__card { margin-left: 0; padding: 20px; }
  .job--small .job__when { padding-top: 0; }
  .job--small::before { top: 8px; }
  .flow { grid-template-columns: 1fr; }
  .flow li:not(:last-child)::after { content: "↓"; right: auto; left: 20px; top: auto; bottom: -17px; transform: none; }
  .stats strong { font-size: 1.8rem; }
  .terminal__body { padding: 16px; font-size: .72rem; }
}
@media (max-width: 420px) {
  .stats { grid-template-columns: 1fr; }
}

/* ---------- Print: a clean one-column CV ---------- */
@media print {
  :root, :root[data-theme="dark"] { --bg: #fff; --surface: #fff; --surface-2: #fff; --line: #d6dbe5; --text: #111827; --muted: #374151; --accent: #0e7490; --accent-2: #4f46e5; --grad: none; --glow-1: transparent; --glow-2: transparent; }
  body { background: #fff; font-size: 10.5pt; }
  .nav, .terminal, .cta, .theme, .lang, #interests, #homelab, #sharing, .portrait, .skip, .eyebrow { display: none !important; }
  .grad, .stats strong, .job__org { background: none; color: var(--accent); -webkit-text-fill-color: currentColor; }
  .section { padding: 18pt 0; break-inside: avoid-page; }
  .hero { padding: 0 0 12pt; }
  .job, .card, .cert { break-inside: avoid; }
  .js .reveal { opacity: 1 !important; transform: none !important; }
  .contact__box { border: 0; padding: 0; text-align: left; background: none; }
  .contact .cta { display: flex !important; }
  .contact .btn { border: 0; padding: 0 12pt 0 0; }
  .contact .btn:last-child { display: none; }
  .foot { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}