/* Samarth Sinha — personal site. Dark navy by default, light theme on toggle. */
:root, [data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a1020; --bg-2: #0d1528; --panel: rgba(148, 163, 184, .045); --panel-hover: rgba(148, 163, 184, .075);
  --line: rgba(148, 163, 184, .14); --text: #a7b4c7; --strong: #e8eef7; --muted: #8493a9; --faint: #5f6d84;
  --accent: #5eead4; --accent-2: #60a5fa; --pill-bg: rgba(45, 212, 191, .1); --pill-fg: #5eead4;
  --glow: rgba(37, 99, 235, .13); --label-bg: rgba(10, 16, 32, .78);
  --shadow: inset 0 1px 0 rgba(148, 163, 184, .08), 0 20px 40px -24px rgba(0, 0, 0, .85);
  --dg-node: #0f1a30; --dg-stroke: #29405f; --dg-text: #e2e8f0; --dg-sub: #8493a9; --dg-edge: #52657f; --dg-zone: #2d405c;
  --dg-label-bg: #0d1528; --dg-source: #101c31; --dg-store: #0f2343; --dg-ai: #1f1a44; --dg-control: #2b2410; --dg-human: #2f1724; --dg-output: #0f2b24;
}
[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f7f9; --bg-2: #ffffff; --panel: rgba(15, 23, 42, .025); --panel-hover: rgba(15, 23, 42, .045);
  --line: rgba(15, 23, 42, .1); --text: #3f4b5e; --strong: #0f172a; --muted: #5a6577; --faint: #7f8ba0;
  --accent: #0f766e; --accent-2: #2563eb; --pill-bg: rgba(15, 118, 110, .08); --pill-fg: #0f766e;
  --glow: rgba(14, 165, 233, .1); --label-bg: rgba(246, 247, 249, .82);
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 16px 32px -20px rgba(15, 23, 42, .25);
  --dg-node: #ffffff; --dg-stroke: #c3cad6; --dg-text: #0f172a; --dg-sub: #5a6577; --dg-edge: #8a94a6; --dg-zone: #b7bfcc;
  --dg-label-bg: #ffffff; --dg-source: #f1f3f7; --dg-store: #e5efff; --dg-ai: #efeaff; --dg-control: #fdf3dc; --dg-human: #fde8ee; --dg-output: #ddf5ea;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.7 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-wrap: break-word; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; color: var(--strong); }
strong { color: var(--strong); font-weight: 600; }
::selection { background: rgba(94, 234, 212, .25); color: var(--strong); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -9999px; top: 12px; z-index: 50; padding: 8px 14px; border-radius: 8px; background: var(--bg-2); color: var(--strong); }
.skip:focus { left: 12px; }
.ico { flex: none; }
.mini { font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }

.spotlight { position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(640px circle at var(--mx, 25%) var(--my, 15%), var(--glow), transparent 80%); }
.shell, .page { position: relative; z-index: 1; }
.preview-banner { position: relative; z-index: 2; padding: 8px 16px; text-align: center; font-size: .8rem; font-weight: 600;
  color: #1a1206; background: #f6c453; }
.draft-tag { margin-left: 10px; padding: 2px 8px; border-radius: 6px; font-size: .68rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: #1a1206; background: #f6c453; vertical-align: middle; }

/* ---------------------------------------------------------------- home layout */
.shell { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.intro { padding: 64px 0 24px; }
.name { font-size: clamp(2.5rem, 5vw, 3.3rem); font-weight: 700; letter-spacing: -.04em; line-height: 1.05; }
.role { margin-top: 14px; font-size: 1.22rem; font-weight: 500; color: var(--strong); letter-spacing: -.01em; }
.tagline { margin-top: 16px; max-width: 22rem; color: var(--muted); }
.toc { display: none; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc a { display: inline-flex; align-items: center; gap: 16px; padding: 12px 0; }
.toc-line { width: 32px; height: 1px; background: var(--faint); transition: width .2s ease, background .2s ease; }
.toc-label { font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); transition: color .2s ease; }
.toc a:hover .toc-line, .toc a[aria-current="true"] .toc-line { width: 64px; background: var(--strong); }
.toc a:hover .toc-label, .toc a[aria-current="true"] .toc-label { color: var(--strong); }
.intro-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 32px; }
.socials { list-style: none; display: flex; align-items: center; gap: 20px; margin: 0; padding: 0; }
.socials a { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); transition: color .2s ease; }
.socials a:hover { color: var(--strong); }
.resume-link { padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px; font-size: .84rem; font-weight: 600; }
.resume-link:hover { border-color: var(--accent); }
.location { display: inline-flex; align-items: center; gap: 6px; font-size: .84rem; color: var(--faint); }
.icon-btn { display: inline-grid; place-items: center; width: 36px; height: 36px; padding: 0; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: transparent; color: var(--muted); transition: color .2s, border-color .2s; }
.icon-btn:hover { color: var(--strong); border-color: var(--muted); }

.content { padding: 8px 0 64px; }
.section { margin-bottom: 72px; scroll-margin-top: 72px; }
.label { position: sticky; top: 0; z-index: 5; margin: 0 -24px 18px; padding: 18px 24px; font-size: .78rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--strong); background: var(--label-bg);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.about p + p { margin-top: 16px; }
.about strong { font-weight: 500; }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 32px 0 24px; }
.stat { padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.stat-value { display: block; font-size: 1.45rem; font-weight: 700; letter-spacing: -.02em; color: var(--strong); line-height: 1.2; }
.stat-label { display: block; margin-top: 6px; font-size: .76rem; line-height: 1.45; color: var(--muted); }
.now { padding: 16px 20px; border-left: 2px solid var(--accent); border-radius: 0 12px 12px 0; background: var(--panel); }
.now ul { margin: 8px 0 0; padding-left: 1.1em; font-size: .92rem; }
.now li + li { margin-top: 4px; }
.section-intro { margin-bottom: 16px; color: var(--muted); font-size: .95rem; }
.more { margin-top: 24px; }
.more a { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--strong); }
.more a:hover { color: var(--accent); }
.more a:hover .ico { transform: translateX(3px); }
.more .ico, .go .ico { transition: transform .2s ease; }

/* ---------------------------------------------------------------- cards */
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.card { position: relative; display: grid; gap: 6px 24px; margin: 0 -16px; padding: 20px 16px; border-radius: 12px;
  transition: background .25s ease, box-shadow .25s ease, opacity .25s ease; }
.card h3 { font-size: 1rem; font-weight: 600; line-height: 1.4; transition: color .2s ease; }
.card p { margin-top: 8px; font-size: .92rem; }
.card-meta { color: var(--muted); font-size: .84rem !important; }
.stretched::after { content: ""; position: absolute; inset: 0; border-radius: 12px; }
.go { display: inline-flex; margin-left: 6px; vertical-align: -2px; color: var(--muted); }
.exp-period, .note-date { padding-top: 3px; font: 500 .72rem/1.9 "JetBrains Mono", ui-monospace, monospace; letter-spacing: .06em;
  text-transform: uppercase; color: var(--faint); }
.exp-at { font-weight: 500; color: var(--muted); }
.exp-sub { font-size: .84rem !important; color: var(--faint); margin-top: 2px !important; }
.pills { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; padding: 0; }
.pills li { padding: 3px 12px; border-radius: 999px; font-size: .74rem; font-weight: 500; line-height: 1.7; color: var(--pill-fg); background: var(--pill-bg); }
.kpis { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-top: 10px; }
.kpi { font-size: .82rem; color: var(--muted); }
.kpi b { color: var(--strong); font-weight: 600; }
.thumb { order: 2; aspect-ratio: 16 / 10; margin-top: 8px; padding: 6px; display: grid; place-items: center; overflow: hidden;
  border: 1px solid var(--line); border-radius: 8px; background: var(--bg-2); transition: border-color .25s ease; }
.thumb svg { width: 100%; height: auto; }
@media (hover: hover) {
  .cards:hover > .card { opacity: .5; }
  .cards > .card:hover { opacity: 1; background: var(--panel-hover); box-shadow: var(--shadow); }
  .card:hover h3 { color: var(--accent); }
  .card:hover .go { color: var(--accent); }
  .card:hover .go .ico { transform: translate(3px, -1px); }
  .card:hover .thumb { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
}

.kit { display: grid; gap: 22px; margin-bottom: 32px; }
.kit-group h3 { font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.kit-group .pills { margin-top: 10px; }
.edu { margin: 10px 0 0; padding-left: 1.1em; font-size: .92rem; }
.edu li + li { margin-top: 6px; }
.foot { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); font-size: .82rem; color: var(--faint); max-width: 30rem; }
.foot p + p { margin-top: 6px; }

@media (min-width: 640px) {
  .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .exp, .note-row { grid-template-columns: 8.5rem minmax(0, 1fr); }
  .work-card { grid-template-columns: 11rem minmax(0, 1fr); }
  .thumb { order: 0; margin-top: 4px; }
}
@media (min-width: 1024px) {
  .shell { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 72px; padding: 0 56px; }
  .intro { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; justify-content: space-between; padding: 96px 0; }
  .toc { display: block; margin-top: 64px; }
  .intro-foot { margin-top: 0; }
  .content { padding: 96px 0; }
  .section { margin-bottom: 112px; scroll-margin-top: 96px; }
  .label { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}

/* ---------------------------------------------------------------- inner pages */
.page { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.topbar { display: flex; align-items: center; gap: 16px; padding: 24px 0; }
.back { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; color: var(--strong); }
.avatar { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 999px; font-size: .68rem; font-weight: 800;
  letter-spacing: .02em; color: #06131d; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.topnav { margin-left: auto; display: none; gap: 22px; font-size: .9rem; }
.topnav a { color: var(--muted); transition: color .2s; }
.topnav a:hover { color: var(--strong); }
.topbar .theme-toggle { margin-left: auto; }
@media (min-width: 720px) { .topnav { display: flex; } .topbar .theme-toggle { margin-left: 0; } }

.article { max-width: 720px; margin: 0 auto; padding-top: 40px; }
.eyebrow { font: 500 .74rem/1.4 "JetBrains Mono", ui-monospace, monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.article h1 { margin: 12px 0 16px; font-size: clamp(2rem, 4.6vw, 2.9rem); font-weight: 700; line-height: 1.12; letter-spacing: -.035em; }
.lede { font-size: 1.14rem; line-height: 1.6; color: var(--muted); }
.meta-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 24px; margin: 32px 0 24px; padding: 20px 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.meta-grid dt { font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.meta-grid dd { margin: 4px 0 0; font-size: .92rem; font-weight: 500; line-height: 1.45; color: var(--strong); }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 24px; }
.metric { padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.metric-value { display: block; font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em; color: var(--strong); line-height: 1.2; }
.metric-label { display: block; margin-top: 6px; font-size: .8rem; line-height: 1.4; color: var(--muted); }
.stack-row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; }
.stack-row .pills { margin: 0; }
.note-meta { margin-top: 20px; font-size: .88rem; color: var(--faint); }
@media (min-width: 720px) { .meta-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.figure { max-width: 1040px; margin: 40px auto 8px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--bg-2); }
.figure-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.figure svg { display: block; width: 100%; height: auto; }
.figure figcaption { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 14px; font-size: .82rem; color: var(--muted); }
.basis { padding: 3px 8px; border-radius: 6px; font: 500 .66rem/1.4 "JetBrains Mono", ui-monospace, monospace; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); }
.hint { display: none; margin-left: auto; color: var(--faint); }

.prose h2 { margin: 48px 0 12px; font-size: 1.3rem; font-weight: 650; letter-spacing: -.015em; }
.prose h3 { margin: 32px 0 8px; font-size: 1.05rem; }
.prose p { margin: 0 0 16px; }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 1.3em; }
.prose li { margin: 8px 0; padding-left: 4px; }
.prose li::marker { color: var(--accent); }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.prose code { padding: 2px 6px; border-radius: 6px; font: .86em "JetBrains Mono", ui-monospace, monospace; background: var(--panel-hover); color: var(--strong); }
.prose pre { overflow-x: auto; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); }
.prose pre code { padding: 0; background: none; }
.prose blockquote { margin: 24px 0; padding: 4px 20px; border-left: 2px solid var(--accent); color: var(--strong); }
.prose hr { margin: 40px 0; border: 0; border-top: 1px solid var(--line); }
.article-nav { max-width: 720px; margin: 64px auto 0; padding-top: 24px; border-top: 1px solid var(--line); display: flex;
  flex-wrap: wrap; justify-content: space-between; gap: 16px; font-size: .92rem; }
.article-nav > a:first-child { color: var(--muted); }
.article-nav a:hover { color: var(--accent); }
.next { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; text-align: right; color: var(--strong); font-weight: 600; }
.next > span:last-child { display: inline-flex; align-items: center; gap: 6px; }
.page-foot { max-width: 720px; margin: 48px auto 64px; }
.page-foot a:hover { color: var(--accent); }
.list-page { margin-top: 40px; }
.center { text-align: center; }
.button { display: inline-flex; margin-top: 24px; padding: 10px 18px; border-radius: 999px; font-weight: 600; color: #06131d; background: var(--accent); }

@media (max-width: 719px) {
  .figure { margin: 32px -24px 8px; padding: 16px; border-radius: 0; border-left: 0; border-right: 0; }
  .figure svg { min-width: 640px; }
  .hint { display: inline; }
}

/* ---------------------------------------------------------------- diagrams (inline SVG from diagrams.py) */
.dg text { font-family: "Inter", system-ui, sans-serif; }
.dg-node rect { fill: var(--dg-node); stroke: var(--dg-stroke); stroke-width: 1.2; }
.dg-k-source rect { fill: var(--dg-source); }
.dg-k-store rect { fill: var(--dg-store); }
.dg-k-ai rect { fill: var(--dg-ai); }
.dg-k-control rect { fill: var(--dg-control); }
.dg-k-human rect { fill: var(--dg-human); }
.dg-k-output rect { fill: var(--dg-output); }
.dg-label { font-size: 14px; font-weight: 600; fill: var(--dg-text); text-anchor: middle; }
.dg-sub { font-family: "JetBrains Mono", ui-monospace, monospace !important; font-size: 11px; fill: var(--dg-sub); text-anchor: middle; }
.dg-edge { fill: none; stroke: var(--dg-edge); stroke-width: 1.4; }
.dg-arrow { fill: var(--dg-edge); }
.dg-zone rect { fill: none; stroke: var(--dg-zone); stroke-width: 1.2; stroke-dasharray: 5 5; }
.dg-zone text { font-family: "JetBrains Mono", ui-monospace, monospace !important; font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; fill: var(--dg-sub); }
.dg-elabel rect { fill: var(--dg-label-bg); stroke: var(--dg-stroke); stroke-width: 1; }
.dg-elabel text { font-family: "JetBrains Mono", ui-monospace, monospace !important; font-size: 10.5px; fill: var(--dg-sub); text-anchor: middle; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
  .spotlight { display: none; }
}
@media print { .spotlight, .toc, .intro-foot .icon-btn, .topbar, .article-nav { display: none !important; } }

/* ================================================================= landing page */
:root, [data-theme="dark"] { --grid-line: rgba(148, 163, 184, .055); }
[data-theme="light"] { --grid-line: rgba(15, 23, 42, .05); }
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 1024px) { .wrap { padding: 0 40px; } }
.landing { position: relative; z-index: 1; }

.topnav-bar { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid transparent; transition: background .3s, border-color .3s; }
.topnav-bar.scrolled { background: var(--label-bg); -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%); border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.01em; color: var(--strong); }
.nav-links { display: none; gap: 2px; margin-left: auto; }
.nav-links a { padding: 8px 12px; border-radius: 8px; font-size: .9rem; color: var(--muted); transition: color .2s, background .2s; }
.nav-links a:hover, .nav-links a[aria-current="true"] { color: var(--strong); background: var(--panel-hover); }
.nav-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.kbd-btn { display: none; align-items: center; gap: 8px; height: 36px; padding: 0 8px 0 12px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel); color: var(--muted); font: inherit; font-size: .84rem; }
.kbd-btn:hover { color: var(--strong); border-color: var(--muted); }
kbd { padding: 2px 6px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg-2); color: var(--muted); font: 600 .7rem/1.4 "JetBrains Mono", monospace; }
@media (min-width: 720px) { .kbd-btn { display: inline-flex; } }
@media (min-width: 1000px) { .nav-links { display: flex; } .nav-actions { margin-left: 12px; } }

.btn { display: inline-flex; align-items: center; gap: 8px; height: 46px; padding: 0 22px; border-radius: 999px; font-size: .95rem; font-weight: 600;
  color: var(--strong); border: 1px solid var(--line); transition: transform .2s, background .2s, border-color .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { border: 0; color: #04121c; background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 32px -14px color-mix(in srgb, var(--accent) 70%, transparent); }
.btn-primary:hover { box-shadow: 0 16px 40px -14px color-mix(in srgb, var(--accent) 80%, transparent); }
.btn-ghost { background: var(--panel); }
.btn-ghost:hover { border-color: var(--muted); }
.btn-small { height: 36px; padding: 0 14px; font-size: .84rem; border: 0; color: var(--bg); background: var(--strong); }

.hero { position: relative; padding: 48px 0 72px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 46px 46px; -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000 25%, transparent 78%); }
.hero-grid { position: relative; display: grid; gap: 48px; align-items: center; }
.pill-eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--panel); font-size: .82rem; font-weight: 500; color: var(--muted); }
.pulse { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); } 70%, 100% { box-shadow: 0 0 0 10px transparent; } }
.hero-h1 { margin-top: 26px; }
.hero-name { display: block; margin-bottom: 14px; font-size: 1.12rem; font-weight: 600; color: var(--accent); }
.hero-line { display: block; font-size: clamp(2.3rem, 5.2vw, 4rem); font-weight: 700; line-height: 1.04; letter-spacing: -.045em; color: var(--strong); }
.grad { background: linear-gradient(110deg, var(--accent), var(--accent-2) 55%, #a78bfa); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { max-width: 35rem; margin-top: 24px; font-size: 1.08rem; line-height: 1.75; color: var(--muted); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-links { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 28px 0 0; padding: 0; font-size: .88rem; }
.hero-links a, .hero-links span { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); transition: color .2s; }
.hero-links a:hover { color: var(--strong); }
.window { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: color-mix(in srgb, var(--bg-2) 92%, transparent);
  box-shadow: 0 40px 90px -45px rgba(0, 0, 0, .85), inset 0 1px 0 rgba(255, 255, 255, .03); }
.window-bar { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line);
  font: 500 .76rem "JetBrains Mono", monospace; color: var(--faint); }
.lights { display: inline-flex; gap: 6px; }
.lights i { width: 10px; height: 10px; border-radius: 50%; }
.lights i:nth-child(1) { background: #f87171b0; } .lights i:nth-child(2) { background: #fbbf24b0; } .lights i:nth-child(3) { background: #34d399b0; }
.window-title { margin-right: auto; }
.window-body { padding: 16px; }
.window-body svg { display: block; width: 100%; height: auto; }
.window-foot { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; padding: 12px; border-top: 1px solid var(--line); font-size: .78rem; color: var(--faint); }
.dg-flow .dg-edge { stroke-dasharray: 5 6; animation: dashflow 1.3s linear infinite; }
@keyframes dashflow { to { stroke-dashoffset: -22; } }
@media (min-width: 1024px) { .hero { padding: 88px 0 112px; } .hero-grid { grid-template-columns: 1.02fr 1fr; gap: 56px; } }

.metrics-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--panel), transparent); }
.metrics-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.m { display: flex; flex-direction: column; gap: 6px; padding: 28px 16px 26px 0; }
.m-value { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 700; letter-spacing: -.035em; line-height: 1.1; color: var(--strong); font-variant-numeric: tabular-nums; }
.m-label { font-size: .82rem; line-height: 1.45; color: var(--muted); }
.trust { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; padding: 22px 0 26px; border-top: 1px solid var(--line); }
.trust p { font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.wordmarks { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 0; padding: 0; }
.wordmarks li { font-size: 1.04rem; font-weight: 700; letter-spacing: -.02em; color: var(--muted); }
@media (min-width: 900px) { .metrics-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); } .m + .m { padding-left: 24px; border-left: 1px solid var(--line); } }

.block { padding: 88px 0; scroll-margin-top: 60px; }
.block + .block { border-top: 1px solid var(--line); }
.block-head { max-width: 46rem; margin-bottom: 44px; }
.kicker { font: 600 .74rem/1.4 "JetBrains Mono", monospace; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.block-title { margin-top: 12px; font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 700; line-height: 1.12; letter-spacing: -.035em; }
.block-text { margin-top: 14px; font-size: 1.04rem; color: var(--muted); }

.about-grid { display: grid; gap: 40px; }
.about-text p { font-size: 1.06rem; line-height: 1.8; }
.about-text p + p { margin-top: 18px; }
.about-side { display: grid; gap: 14px; align-content: start; }
.side-card { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.side-title { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--strong); }
.now-card ul { margin: 0; padding-left: 1.1em; font-size: .94rem; }
.now-card li + li { margin-top: 6px; }
.side-big { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--strong); }
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.tags li { padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line); font-size: .82rem; }
@media (min-width: 960px) { .about-grid { grid-template-columns: 1.45fr 1fr; gap: 64px; } }

.cap-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 262px), 1fr)); }
.cap { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); transition: transform .25s, border-color .25s, background .25s; }
.cap:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); background: var(--panel-hover); }
.cap-ico { flex: none; display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; color: var(--accent);
  background: var(--pill-bg); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); }
.cap h3 { margin-top: 18px; font-size: 1.04rem; }
.cap > p { margin-top: 8px; font-size: .92rem; color: var(--muted); }
.cap ul { list-style: none; display: grid; gap: 8px; margin: 16px 0 0; padding: 14px 0 0; border-top: 1px dashed var(--line); }
.cap li { position: relative; padding-left: 18px; font-size: .86rem; line-height: 1.5; }
.cap li::before { content: ""; position: absolute; left: 2px; top: .58em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.approach { margin-top: 56px; }
.steps { list-style: none; display: grid; gap: 16px; margin: 18px 0 0; padding: 0; }
.steps li { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(180deg, var(--panel-hover), transparent); }
.step-n { font: 600 .8rem "JetBrains Mono", monospace; color: var(--accent); }
.steps h3 { margin-top: 10px; font-size: 1.12rem; }
.steps p { margin-top: 8px; font-size: .9rem; color: var(--muted); }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.tiles { display: grid; gap: 20px; }
.tile { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); transition: transform .25s, border-color .25s, box-shadow .25s; }
.tile:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); box-shadow: var(--shadow); }
.tile-visual { padding: 20px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.tile-visual svg { display: block; width: 100%; height: auto; }
.tile-body { padding: 24px; }
.tile-meta { font: 500 .74rem "JetBrains Mono", monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.tile h3 { margin-top: 10px; font-size: 1.3rem; line-height: 1.25; letter-spacing: -.02em; }
.tile:hover h3 { color: var(--accent); }
.tile-sum { margin-top: 10px; font-size: .95rem; color: var(--muted); }
.tile-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.tile-kpi { padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); }
.tile-kpi b { display: block; font-size: 1.12rem; color: var(--strong); }
.tile-kpi span { display: block; margin-top: 2px; font-size: .72rem; line-height: 1.35; color: var(--muted); }
.tile-go { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-weight: 600; color: var(--accent); }
.tile-go .ico { transition: transform .2s; }
.tile:hover .tile-go .ico { transform: translateX(4px); }
@media (min-width: 900px) {
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tile:first-child { grid-column: 1 / -1; display: grid; grid-template-columns: 1.15fr 1fr; }
  .tile:first-child .tile-visual { display: grid; place-items: center; border-bottom: 0; border-right: 1px solid var(--line); }
}

.journey { margin-bottom: 40px; padding: 24px; overflow-x: auto; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }
.journey > * { min-width: 760px; }
.j-roles, .j-eras { position: relative; list-style: none; height: 46px; margin: 0; padding: 0; }
.j-roles li, .j-eras li { position: absolute; top: 0; bottom: 0; padding: 0 2px; }
.j-roles span { display: flex; align-items: center; justify-content: center; height: 100%; padding: 0 6px; overflow: hidden; border-radius: 10px;
  font-size: .74rem; font-weight: 700; white-space: nowrap; text-overflow: ellipsis; color: #04121c; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.j-roles li:nth-child(even) span { filter: saturate(.75) brightness(.92); }
.j-eras { height: 30px; margin-top: 10px; }
.j-eras span { display: flex; align-items: center; height: 100%; padding: 0 10px; overflow: hidden; border: 1px dashed var(--line); border-radius: 8px;
  font-size: .72rem; white-space: nowrap; text-overflow: ellipsis; color: var(--muted); }
.j-years { position: relative; height: 22px; margin-top: 10px; font: 500 .7rem "JetBrains Mono", monospace; color: var(--faint); }
.j-years span, .g-axis .g-track span { position: absolute; transform: translateX(-50%); }
.roles { list-style: none; margin: 0; padding: 0; }
.role { display: grid; gap: 6px 32px; padding: 24px 0; border-top: 1px solid var(--line); }
.role-period { font: 500 .76rem/1.9 "JetBrains Mono", monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.role h3 { font-size: 1.06rem; }
.role h3 span { font-weight: 500; color: var(--muted); }
.role-sub { margin-top: 2px; font-size: .85rem; color: var(--faint); }
.role div > p:not(.role-sub) { margin-top: 8px; font-size: .95rem; }
@media (min-width: 720px) { .role { grid-template-columns: 11rem minmax(0, 1fr); } }
.gantt { margin-top: 56px; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }
.g-rows { margin-top: 20px; overflow-x: auto; }
.g-row { display: grid; grid-template-columns: 15rem minmax(0, 1fr); align-items: center; gap: 16px; min-width: 680px; padding: 7px 0; }
.g-name { font-size: .86rem; color: var(--strong); }
.g-track { position: relative; height: 10px; border-radius: 999px; background: var(--panel-hover); }
.g-track i { position: absolute; top: 0; bottom: 0; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.g-axis .g-track { height: 18px; background: none; font: 500 .7rem "JetBrains Mono", monospace; color: var(--faint); }

.note-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.note-card { position: relative; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); transition: transform .25s, border-color .25s; }
.note-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.note-card:hover h3 { color: var(--accent); }
.note-top { font: 500 .74rem "JetBrains Mono", monospace; color: var(--faint); }
.note-card h3 { margin-top: 10px; font-size: 1.08rem; line-height: 1.35; transition: color .2s; }
.note-card > p:not(.note-top) { margin-top: 8px; font-size: .9rem; color: var(--muted); }

.kit-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr)); }
.kit-col { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.kit-col h3 { font-size: .76rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.edu-grid { list-style: none; display: grid; gap: 16px; margin: 16px 0 0; padding: 0; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.edu-card { display: flex; align-items: center; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); font-size: .9rem; color: var(--strong); }

.cta { padding: 56px 28px; text-align: center; border-radius: 26px; border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
  background: radial-gradient(640px 260px at 50% 0%, color-mix(in srgb, var(--accent) 15%, transparent), transparent), var(--panel); }
.cta-title { margin: 12px auto 0; max-width: 40rem; font-size: clamp(1.8rem, 3.6vw, 2.6rem); line-height: 1.12; letter-spacing: -.035em; }
.cta-text { max-width: 34rem; margin: 14px auto 0; color: var(--muted); }
.cta .hero-cta { justify-content: center; }

.site-foot { position: relative; z-index: 1; padding: 40px 0 56px; border-top: 1px solid var(--line); }
.foot-grid { display: grid; gap: 20px; }
.foot-grid > div p { max-width: 26rem; margin-top: 10px; font-size: .9rem; color: var(--muted); }
.foot-grid nav { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: .9rem; }
.foot-grid nav a { color: var(--muted); }
.foot-grid nav a:hover { color: var(--strong); }
.foot-note { grid-column: 1 / -1; font-size: .8rem; color: var(--faint); }
@media (min-width: 900px) { .foot-grid { grid-template-columns: 1fr auto; } }

.palette { width: min(640px, calc(100% - 32px)); margin: 12vh auto auto; padding: 0; border: 1px solid var(--line); border-radius: 18px;
  background: var(--bg-2); color: var(--text); box-shadow: 0 40px 120px -40px rgba(0, 0, 0, .9); }
.palette::backdrop { background: rgba(5, 8, 16, .6); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.palette-search { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); color: var(--muted); }
.palette-search input { flex: 1; border: 0; outline: 0; background: transparent; color: var(--strong); font: inherit; font-size: 1rem; }
.palette-list { list-style: none; max-height: 50vh; margin: 0; padding: 8px; overflow: auto; }
.palette-list a { display: flex; justify-content: space-between; gap: 12px; padding: 10px 12px; border-radius: 10px; font-size: .92rem; color: var(--strong); }
.palette-list small { flex: none; font-size: .76rem; color: var(--faint); }
.palette-list li.active a, .palette-list a:hover { background: var(--panel-hover); }
.palette-foot { padding: 10px 16px; border-top: 1px solid var(--line); font-size: .76rem; color: var(--faint); }

.js [data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.js [data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js [data-reveal] { opacity: 1; transform: none; } .dg-flow .dg-edge, .pulse { animation: none; } }
.window-title { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
@media (max-width: 420px) { .window-title { display: none; } .window-bar .basis { margin-left: auto; } }
.tags-soft li { border-style: dashed; color: var(--muted); }
.side-note { margin-top: 10px; font-size: .76rem; color: var(--faint); }
.topic-chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: -20px 0 28px; padding: 0; }
.topic-chips a, .topic-filter button { display: inline-block; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel);
  font: inherit; font-size: .84rem; color: var(--text); cursor: pointer; transition: border-color .2s, color .2s, background .2s; }
.topic-chips a:hover, .topic-filter button:hover { border-color: var(--accent); color: var(--strong); }
.topic-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.topic-filter button.is-on { background: var(--strong); border-color: var(--strong); color: var(--bg); }
.note-row[hidden] { display: none; }