:root {
  --cobalt: #2230e0;
  --cobalt-deep: #141a8f;
  --signal: #e8ff4a;
  --bg: #f3f4f8;
  --surface: #ffffff;
  --ink: #0d1030;
  --muted: #4a4f6b;
  --line: #d5d8e6;
  --accent: #2230e0;
  --display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --body: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --pad: clamp(1.25rem, 5vw, 4.5rem);
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0a0c22;
  --surface: #12153a;
  --ink: #eceefd;
  --muted: #a6abd0;
  --line: #262b5c;
  --accent: #aab4ff;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0c22;
    --surface: #12153a;
    --ink: #eceefd;
    --muted: #a6abd0;
    --line: #262b5c;
    --accent: #aab4ff;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; box-shadow: 0 0 0 5px var(--cobalt-deep); border-radius: 4px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: 1rem; top: -4rem; background: var(--signal); color: #000; padding: .6rem 1rem; z-index: 100; border-radius: 6px; }
.skip:focus { top: 1rem; }

/* Header */
.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  display: flex; align-items: center; gap: 1.5rem;
  padding: .85rem var(--pad);
  color: #fff;
  transition: background .3s, box-shadow .3s, color .3s;
}
.bar.solid { background: var(--cobalt-deep); box-shadow: 0 8px 24px rgba(5, 8, 60, .25); }
.brand { font: 800 1.25rem/1 var(--display); text-decoration: none; letter-spacing: -.02em; }
.brand span { opacity: .7; }
.nav { display: flex; gap: 1.5rem; margin-left: auto; }
.nav a { text-decoration: none; font-weight: 500; font-size: .95rem; opacity: .85; padding: .25rem 0; background: linear-gradient(currentColor, currentColor) left bottom / 0 2px no-repeat; transition: background-size .3s var(--ease), opacity .2s; }
.nav a:hover, .nav a:focus-visible { opacity: 1; background-size: 100% 2px; }
.bar-actions { display: flex; gap: .75rem; align-items: center; }
.kbd-btn { font: 500 .85rem var(--body); display: flex; gap: .6rem; align-items: center; background: rgba(255,255,255,.12); color: inherit; border: 1px solid rgba(255,255,255,.3); border-radius: 999px; padding: .45rem .9rem; cursor: pointer; transition: background .2s; }
.kbd-btn:hover { background: rgba(255,255,255,.22); }
kbd { font: 500 .75rem var(--mono); border: 1px solid currentColor; border-radius: 4px; padding: 0 .35rem; opacity: .85; }

.btn { display: inline-flex; align-items: center; gap: .5rem; font: 600 .95rem var(--body); text-decoration: none; padding: .8rem 1.35rem; border-radius: 999px; border: 2px solid transparent; cursor: pointer; transition: transform .2s var(--ease), background .2s, color .2s, border-color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-signal { background: var(--signal); color: #0d1030; }
.btn-signal:hover { background: #fff; }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.14); }
.btn-ghost-light { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost-light:hover { background: rgba(255,255,255,.14); }

/* Hero */
.hero { position: relative; min-height: 100svh; background: var(--cobalt); color: #fff; overflow: hidden; display: flex; align-items: flex-end; padding: 7rem var(--pad) 5rem; isolation: isolate; }
#stream { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; cursor: crosshair; }
.hero-copy { max-width: 62rem; pointer-events: none; }
.hero-copy a { pointer-events: auto; }
h1 { font: 800 clamp(4.5rem, 17vw, 12rem)/.82 var(--display); letter-spacing: -.04em; margin: 0 0 1.75rem; font-variation-settings: "opsz" 96; }
.hero-lead { font-size: clamp(1.15rem, 2.2vw, 1.5rem); line-height: 1.4; max-width: 34rem; margin: 0 0 2rem; }
.hero-actions { display: flex; gap: .85rem; flex-wrap: wrap; }
.hero-hint { position: absolute; right: var(--pad); bottom: 2rem; margin: 0; font: 500 .85rem var(--mono); opacity: .8; }
.hero-count { position: absolute; right: var(--pad); top: 5.5rem; margin: 0; font: 500 .8rem var(--mono); opacity: .75; }
.hero-count span { color: var(--signal); }

/* Sections */
.section { padding: clamp(4rem, 10vw, 8rem) var(--pad); max-width: 90rem; margin-inline: auto; }
.big { font: 800 clamp(2rem, 5vw, 4rem)/1.02 var(--display); letter-spacing: -.03em; max-width: 18ch; margin: 0 0 3rem; text-wrap: balance; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

.about { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.about-body { max-width: 44rem; }
.about-body p { margin: 0 0 1.1rem; color: var(--ink); }
.facts { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: .75rem; color: var(--muted); }
.facts li { padding-top: .75rem; border-top: 1px solid var(--line); }
.facts strong { color: var(--ink); margin-right: .5rem; }

/* Work */
.work-grid { display: grid; grid-template-columns: minmax(14rem, 22rem) 1fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
.roles { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.role-tab { text-align: left; background: none; border: 0; border-bottom: 1px solid var(--line); color: var(--muted); font: 600 1.15rem/1.2 var(--display); padding: 1.1rem .25rem; cursor: pointer; display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; transition: color .2s, transform .3s var(--ease), background .2s; }
.role-tab small { font: 500 .8rem var(--body); white-space: nowrap; }
.role-tab:hover { color: var(--ink); transform: translateX(.5rem); }
.role-tab[aria-selected="true"] { color: var(--ink); transform: translateX(.5rem); background: linear-gradient(90deg, var(--signal) 0 6px, transparent 6px); }
:root[data-theme="dark"] .role-tab[aria-selected="true"] { background: linear-gradient(90deg, var(--signal) 0 6px, transparent 6px); }
.role-panel { background: var(--surface); border-radius: 18px; padding: clamp(1.5rem, 3vw, 2.75rem); min-height: 22rem; box-shadow: 0 1px 2px rgba(13,16,48,.06), 0 12px 32px rgba(13,16,48,.07); }
.role-panel h3 { font: 800 clamp(1.6rem, 3vw, 2.4rem)/1.05 var(--display); margin: 0 0 .3rem; letter-spacing: -.02em; }
.role-meta { color: var(--muted); margin: 0 0 1.5rem; }
.role-impact { font: 700 1.35rem/1.3 var(--display); margin: 0 0 1.25rem; max-width: 30ch; color: var(--accent); }
.role-text { max-width: 60ch; color: var(--ink); }
.chips { list-style: none; padding: 0; margin: 1.5rem 0 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.chips li { font: 500 .8rem var(--body); padding: .3rem .7rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); transition: border-color .2s, color .2s; }
.chips li:hover { border-color: var(--accent); color: var(--ink); }
.role-panel.swap > * { animation: swap .45s var(--ease) both; }
@keyframes swap { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* Stack */
.stack-list { border-top: 1px solid var(--line); }
.stack-row { border-bottom: 1px solid var(--line); }
.stack-head { width: 100%; background: none; border: 0; color: var(--muted); text-align: left; font: 800 clamp(2rem, 6vw, 5rem)/1.05 var(--display); letter-spacing: -.035em; padding: 1rem 0; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; transition: color .25s, transform .35s var(--ease); }
.stack-head:hover { color: var(--ink); transform: translateX(1rem); }
.stack-head[aria-expanded="true"] { color: var(--ink); }
.stack-head .plus { font: 400 2rem var(--body); transition: transform .35s var(--ease); }
.stack-head[aria-expanded="true"] .plus { transform: rotate(45deg); }
.stack-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s var(--ease); }
.stack-body > div { overflow: hidden; }
.stack-row.open .stack-body { grid-template-rows: 1fr; }
.stack-body p { max-width: 56ch; margin: 0 0 .5rem; color: var(--muted); }
.stack-body .chips { margin: 1rem 0 1.75rem; }

/* Lab */
.lab { }
.lab-intro { max-width: 52ch; color: var(--muted); margin: -1.5rem 0 2.5rem; }
.lab-grid { display: grid; grid-template-columns: minmax(13rem, 18rem) 1fr; gap: 2rem; }
.lab-tabs { display: flex; flex-direction: column; gap: .6rem; }
.lab-tab { text-align: left; background: var(--surface); border: 2px solid var(--line); color: var(--ink); padding: .9rem 1.1rem; border-radius: 14px; font: 600 1rem var(--body); cursor: pointer; transition: border-color .2s, transform .2s var(--ease); }
.lab-tab small { display: block; font-weight: 400; color: var(--muted); }
.lab-tab:hover { transform: translateX(4px); border-color: var(--accent); }
.lab-tab[aria-selected="true"] { border-color: var(--accent); background: var(--accent); color: #fff; }
.lab-tab[aria-selected="true"] small { color: rgba(255,255,255,.85); }
:root[data-theme="dark"] .lab-tab[aria-selected="true"] { color: #0d1030; }
:root[data-theme="dark"] .lab-tab[aria-selected="true"] small { color: #1b1f55; }
.lab-pane { display: grid; grid-template-columns: 1fr 1.4fr; gap: 1rem; }
.lab-box { background: var(--surface); border-radius: 16px; padding: 1.25rem; min-width: 0; box-shadow: 0 1px 2px rgba(13,16,48,.06), 0 12px 32px rgba(13,16,48,.06); }
.lab-box h3 { margin: 0 0 .75rem; font: 700 .95rem var(--body); display: flex; justify-content: space-between; align-items: center; color: var(--muted); }
.mono-block { margin: 0; font: 400 .85rem/1.55 var(--mono); white-space: pre-wrap; word-break: break-word; min-height: 14rem; }
.lab-out .mono-block { min-height: 20rem; }
.mini { font: 600 .75rem var(--body); background: none; border: 1px solid var(--line); color: var(--ink); padding: .25rem .7rem; border-radius: 999px; cursor: pointer; }
.mini:hover { border-color: var(--accent); }
.verdict { margin: 1rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line); font-weight: 600; min-height: 3.2rem; }
.caret::after { content: "▍"; animation: blink 1s steps(1) infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }

/* Projects */
.proj-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.proj { display: grid; grid-template-columns: minmax(10rem, 1fr) 2fr auto; gap: 1.5rem 2.5rem; align-items: start; padding: 2rem 0; border-bottom: 1px solid var(--line); text-decoration: none; position: relative; }
.proj::before { content: ""; position: absolute; inset: 0 calc(var(--pad) * -1); background: var(--cobalt); transform: scaleY(0); transform-origin: bottom; transition: transform .4s var(--ease); z-index: -1; }
.proj:hover::before, .proj:focus-visible::before { transform: scaleY(1); }
.proj:hover, .proj:focus-visible { color: #fff; }
.proj-name { font: 800 clamp(2rem, 5vw, 4rem)/1 var(--display); letter-spacing: -.035em; }
.proj-desc { max-width: 52ch; }
.proj-tags { grid-column: 2; font-size: .85rem; color: var(--muted); }
.proj:hover .proj-tags, .proj:focus-visible .proj-tags { color: var(--signal); }
.proj-arrow { grid-row: 1; grid-column: 3; font: 400 2.5rem/1 var(--body); transition: transform .3s var(--ease); }
.proj:hover .proj-arrow { transform: translate(6px, -6px); }
.projects { position: relative; z-index: 0; overflow-x: clip; }

/* Repos */
.repos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); gap: 1rem; }
.repo { display: flex; flex-direction: column; gap: .5rem; height: 100%; padding: 1.25rem; background: var(--surface); border-radius: 14px; text-decoration: none; box-shadow: 0 1px 2px rgba(13,16,48,.06); transition: transform .25s var(--ease), box-shadow .25s; }
.repo:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(13,16,48,.14); }
.repo b { font: 700 1.1rem var(--display); }
.repo span { color: var(--muted); font-size: .9rem; flex: 1; }
.repo i { font: normal 500 .8rem var(--mono); color: var(--accent); }
.repo-empty { color: var(--muted); }
.more { margin-top: 1.5rem; }
.more a { font-weight: 600; }

/* Contact */
.contact { max-width: none; background: var(--cobalt); color: #fff; }
.contact-inner { max-width: 90rem; margin-inline: auto; }
.contact .big { font-size: clamp(3rem, 12vw, 9rem); max-width: none; margin-bottom: 1.25rem; }
.contact-lead { font-size: 1.3rem; max-width: 36rem; margin: 0 0 2rem; }
.contact-actions { display: flex; gap: .85rem; flex-wrap: wrap; align-items: center; }

.foot { display: flex; justify-content: space-between; padding: 1.5rem var(--pad); background: var(--cobalt-deep); color: #fff; font-size: .9rem; }

/* Palette */
dialog { border: 0; padding: 0; border-radius: 18px; width: min(36rem, calc(100vw - 2rem)); background: var(--surface); color: var(--ink); box-shadow: 0 30px 80px rgba(5,8,60,.45); margin-top: 12vh; }
dialog::backdrop { background: rgba(8, 10, 50, .65); }
dialog[open] { animation: pop .25s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(12px) scale(.98); } }
.pal-form { margin: 0; }
#pal-input { width: 100%; font: 500 1.1rem var(--body); padding: 1.1rem 1.25rem; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--ink); outline: none; }
#pal-input:focus-visible { box-shadow: none; }
#pal-list { list-style: none; margin: 0; padding: .5rem; max-height: 50vh; overflow: auto; }
#pal-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem .9rem; border-radius: 10px; cursor: pointer; }
#pal-list li small { color: var(--muted); }
#pal-list li[aria-selected="true"] { background: var(--cobalt); color: #fff; }
#pal-list li[aria-selected="true"] small { color: var(--signal); }
.pal-foot { margin: 0; padding: .7rem 1.25rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .8rem; display: flex; gap: .5rem; align-items: center; }

.toast { position: fixed; left: 50%; bottom: 1.5rem; transform: translate(-50%, 2rem); background: var(--ink); color: var(--bg); padding: .7rem 1.2rem; border-radius: 999px; font-weight: 500; opacity: 0; pointer-events: none; transition: opacity .3s, transform .4s var(--ease); z-index: 60; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Responsive */
@media (max-width: 62rem) {
  .nav { display: none; }
  .bar-actions { margin-left: auto; }
  .work-grid, .lab-grid, .lab-pane { grid-template-columns: 1fr; }
  .roles { flex-direction: row; overflow-x: auto; border-top: 0; gap: .5rem; padding-bottom: .5rem; scrollbar-width: thin; }
  .role-tab { flex: 0 0 auto; border: 1px solid var(--line); border-radius: 12px; flex-direction: column; gap: .2rem; padding: .75rem 1rem; }
  .role-tab:hover, .role-tab[aria-selected="true"] { transform: none; }
  .role-tab[aria-selected="true"] { background: var(--signal); color: #0d1030; border-color: var(--signal); }
  .lab-tabs { flex-direction: row; flex-wrap: wrap; }
  .lab-tab { flex: 1 1 10rem; }
  .lab-pane .mono-block { min-height: 0; }
  .lab-out .mono-block { min-height: 17rem; }
  .proj { grid-template-columns: 1fr auto; }
  .proj-name { grid-column: 1; }
  .proj-desc, .proj-tags { grid-column: 1 / -1; }
  .proj-arrow { grid-column: 2; }
}
@media (max-width: 40rem) {
  .kbd-btn { display: none; }
  .bar .btn { padding: .6rem 1rem; font-size: .85rem; }
  .hero { padding-bottom: 6rem; }
  .hero-hint { left: var(--pad); right: auto; bottom: 1.5rem; }
  .hero-count { display: none; }
}

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