/* homelab.vigab.cc · styles. Palette: indigo, blue, violet, cyan, magenta, amber, coral. No green. */

:root {
  color-scheme: dark;
  --bg0: #060918; --bg1: #0b1030; --bg2: #171c52;
  --dot: rgba(150, 165, 255, .09);
  --ink: #eef1ff; --ink2: #c3c9f0; --ink3: #949bd0;
  --card: rgba(20, 26, 64, .78); --card-hi: rgba(36, 44, 104, .96); --card-b: rgba(140, 155, 255, .24);
  --chip: rgba(255, 255, 255, .05); --chip-b: rgba(160, 170, 255, .2); --chip-hover: rgba(255, 255, 255, .09);
  --panel: rgba(16, 21, 54, .72); --panel-solid: #10153a; --dialog: #242c68; --panel-b: rgba(140, 155, 255, .18);
  --z-out: rgba(232, 92, 245, .045); --z-out-b: rgba(232, 92, 245, .3);
  --z-cloud: rgba(79, 141, 255, .05); --z-cloud-b: rgba(110, 150, 255, .28);
  --z-home: rgba(150, 120, 255, .04); --z-home-b: rgba(165, 135, 255, .26);
  --g-cf: rgba(255, 155, 80, .055); --g-cf-b: rgba(255, 155, 80, .34);
  --g-hyp: rgba(124, 131, 255, .08); --g-hyp-b: rgba(140, 150, 255, .42);
  --g-nas: rgba(46, 211, 240, .055); --g-nas-b: rgba(46, 211, 240, .36);
  --router-a: rgba(108, 92, 255, .34); --router-b: rgba(232, 92, 245, .26);
  --t-vpn: #e85cf5; --t-web: #5a95ff; --t-lan: #a3adff; --t-dns: #2ed3f0; --t-backup: #ff9b50;
  --dep: #ffc94d;
  --st-active: #34d3f5; --st-ondemand: #78a8ff; --st-planned: #b48cff; --st-alert: #ff6b7d;
  --accent: #8f7bff; --accent2: #ff5fc8; --accent3: #2ed3f0;
  --focus: #ffd36e;
  --btn-ink: #0b0e2a;
  --shadow: 0 18px 50px -20px rgba(0, 0, 0, .7);
  --shadow-lg: 0 40px 90px -40px rgba(0, 0, 0, .8);
  --font: "Inter var", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.22, .8, .24, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --wrap: 1240px;
  --gutter: 24px;
  --header-h: 64px;
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg0: #f5f6ff; --bg1: #eceeff; --bg2: #dcd9ff;
  --dot: rgba(80, 90, 190, .11);
  --ink: #12163a; --ink2: #363d70; --ink3: #535a92;
  --card: rgba(255, 255, 255, .92); --card-hi: #ffffff; --card-b: rgba(90, 100, 210, .26);
  --chip: rgba(255, 255, 255, .72); --chip-b: rgba(90, 100, 210, .24); --chip-hover: #ffffff;
  --panel: rgba(255, 255, 255, .78); --panel-solid: #ffffff; --dialog: #ffffff; --panel-b: rgba(90, 100, 210, .2);
  --z-out: rgba(196, 50, 214, .05); --z-out-b: rgba(182, 47, 208, .32);
  --z-cloud: rgba(37, 99, 235, .05); --z-cloud-b: rgba(37, 99, 235, .28);
  --z-home: rgba(110, 80, 230, .045); --z-home-b: rgba(110, 80, 230, .26);
  --g-cf: rgba(217, 98, 15, .06); --g-cf-b: rgba(217, 98, 15, .38);
  --g-hyp: rgba(80, 90, 220, .07); --g-hyp-b: rgba(80, 90, 220, .42);
  --g-nas: rgba(8, 145, 178, .06); --g-nas-b: rgba(8, 145, 178, .4);
  --router-a: rgba(108, 92, 255, .22); --router-b: rgba(214, 70, 220, .18);
  --t-vpn: #b42fcf; --t-web: #2563eb; --t-lan: #5b5fd6; --t-dns: #0884a8; --t-backup: #c2570c;
  --dep: #945d00;
  --st-active: #0a87ad; --st-ondemand: #2f6fe0; --st-planned: #7c4ddb; --st-alert: #d63a55;
  --accent: #5b4de0; --accent2: #c8379c; --accent3: #0884a8;
  --focus: #b86e00;
  --btn-ink: #ffffff;
  --shadow: 0 18px 44px -24px rgba(40, 40, 120, .45);
  --shadow-lg: 0 40px 80px -44px rgba(40, 40, 120, .5);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg0: #f5f6ff; --bg1: #eceeff; --bg2: #dcd9ff;
    --dot: rgba(80, 90, 190, .11);
    --ink: #12163a; --ink2: #363d70; --ink3: #535a92;
    --card: rgba(255, 255, 255, .92); --card-hi: #ffffff; --card-b: rgba(90, 100, 210, .26);
    --chip: rgba(255, 255, 255, .72); --chip-b: rgba(90, 100, 210, .24); --chip-hover: #ffffff;
    --panel: rgba(255, 255, 255, .78); --panel-solid: #ffffff; --dialog: #ffffff; --panel-b: rgba(90, 100, 210, .2);
    --z-out: rgba(196, 50, 214, .05); --z-out-b: rgba(182, 47, 208, .32);
    --z-cloud: rgba(37, 99, 235, .05); --z-cloud-b: rgba(37, 99, 235, .28);
    --z-home: rgba(110, 80, 230, .045); --z-home-b: rgba(110, 80, 230, .26);
    --g-cf: rgba(217, 98, 15, .06); --g-cf-b: rgba(217, 98, 15, .38);
    --g-hyp: rgba(80, 90, 220, .07); --g-hyp-b: rgba(80, 90, 220, .42);
    --g-nas: rgba(8, 145, 178, .06); --g-nas-b: rgba(8, 145, 178, .4);
    --router-a: rgba(108, 92, 255, .22); --router-b: rgba(214, 70, 220, .18);
    --t-vpn: #b42fcf; --t-web: #2563eb; --t-lan: #5b5fd6; --t-dns: #0884a8; --t-backup: #c2570c;
    --dep: #945d00;
    --st-active: #0a87ad; --st-ondemand: #2f6fe0; --st-planned: #7c4ddb; --st-alert: #d63a55;
    --accent: #5b4de0; --accent2: #c8379c; --accent3: #0884a8;
    --focus: #b86e00;
    --btn-ink: #ffffff;
    --shadow: 0 18px 44px -24px rgba(40, 40, 120, .45);
    --shadow-lg: 0 40px 80px -44px rgba(40, 40, 120, .5);
  }
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 12px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0; min-height: 100vh; overflow-x: clip;
  color: var(--ink); background-color: var(--bg0);
  font-family: var(--font); font-size: 17px; line-height: 1.6;
  font-feature-settings: "cv11", "ss01", "ss03";
  text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(1100px 700px at 8% -8%, color-mix(in srgb, var(--accent) 20%, transparent), transparent 70%),
    radial-gradient(900px 640px at 100% 4%, color-mix(in srgb, var(--accent2) 14%, transparent), transparent 70%),
    radial-gradient(1000px 800px at 50% 115%, color-mix(in srgb, var(--accent3) 9%, transparent), transparent 70%),
    radial-gradient(var(--dot) 1px, transparent 1.4px) 0 0 / 22px 22px,
    linear-gradient(180deg, var(--bg0), var(--bg1));
}
a { color: inherit; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -.02em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 10px; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 10px; z-index: 100; padding: 10px 14px; border-radius: 10px; background: var(--card-hi); color: var(--ink); font-weight: 600; }
.skip:focus { left: 12px; }
.noscript { max-width: 640px; margin: 40px auto; padding: 0 var(--gutter); color: var(--ink2); }
.sprite, .icon-btn svg, .btn svg { overflow: visible; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg0) 72%, transparent);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--panel-b) 70%, transparent);
}
.header-in { display: flex; align-items: center; gap: 20px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; min-height: 44px; border-radius: 12px; }
.brand-mark { width: 34px; height: 34px; border-radius: 11px; display: grid; place-items: center; flex: none; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent2)); box-shadow: 0 8px 22px -10px var(--accent2); }
.brand-mark svg { width: 20px; height: 20px; }
.brand-word { font-size: 1.02rem; letter-spacing: -.01em; white-space: nowrap; }
.brand-word b { font-weight: 750; }
.brand-word span { color: var(--ink3); }
.nav { margin-left: auto; }
.nav ul { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: 12px; text-decoration: none;
  color: var(--ink2); font-size: .92rem; font-weight: 550; transition: color .2s var(--ease), background-color .2s var(--ease); }
.nav a:hover { color: var(--ink); background: var(--chip); }
.icon-btn { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; cursor: pointer; flex: none;
  background: var(--chip); border: 1px solid var(--chip-b); color: var(--ink2);
  transition: background-color .2s var(--ease), color .2s var(--ease), transform .15s var(--ease); }
.icon-btn:hover { background: var(--chip-hover); color: var(--ink); }
.icon-btn:active { transform: scale(.96); }
.icon-btn svg { width: 19px; height: 19px; }

/* ---------- hero ---------- */
.hero { position: relative; overflow-x: clip; padding: clamp(48px, 9vw, 112px) 0 clamp(40px, 6vw, 72px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px;
  font-family: var(--mono); font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ink3); }
.eyebrow::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--accent), var(--accent2)); }
.hero h1 { font-size: clamp(2.5rem, 6.2vw, 4.9rem); font-weight: 780; letter-spacing: -.045em; line-height: 1.02; }
.hero h1 .accent {
  background: linear-gradient(100deg, var(--accent3) 0%, var(--accent) 45%, var(--accent2) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lede { margin-top: 22px; max-width: 60ch; font-size: clamp(1.04rem, 1.5vw, 1.2rem); color: var(--ink2); line-height: 1.65; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 22px; border-radius: 14px;
  text-decoration: none; font-weight: 650; font-size: .98rem; letter-spacing: -.005em;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease); }
.btn svg { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn-primary { color: #fff; background: linear-gradient(135deg, #6450f0, #9c3cc0); box-shadow: 0 14px 34px -14px #8f5cff; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 18px 40px -14px #a35cff; }
.btn-primary:hover svg { transform: translateY(2px); }
.btn-ghost { color: var(--ink); background: var(--chip); border: 1px solid var(--chip-b); }
.btn-ghost:hover { background: var(--chip-hover); }
.btn:active { transform: scale(.98); }

.facts { list-style: none; margin: clamp(40px, 6vw, 72px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--panel-b); border-radius: 22px; background: var(--panel); overflow: hidden;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.fact { display: flex; align-items: baseline; gap: 12px; padding: 20px 22px; border-left: 1px solid var(--panel-b); }
.fact:first-child { border-left: 0; }
.fact b { font-size: clamp(1.9rem, 3vw, 2.4rem); font-weight: 760; letter-spacing: -.04em; line-height: 1;
  background: linear-gradient(160deg, var(--ink), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.fact span { color: var(--ink2); font-size: .92rem; line-height: 1.35; }

/* orbit illustration */
.orbit { position: relative; width: min(100%, 500px); aspect-ratio: 1; margin: 0 auto; --r-out: 46%; --r-in: 28%; }
.orb-glow { position: absolute; inset: 24%; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 40%, transparent), color-mix(in srgb, var(--accent2) 14%, transparent) 45%, transparent 70%);
  filter: blur(18px); opacity: .75; }
.ring { position: absolute; inset: 0; border-radius: 50%; container-type: size; animation: spin 90s linear infinite; }
.ring-outer { inset: 10%; }
.ring-inner { inset: 25%; animation-duration: 60s; animation-direction: reverse; }
.ring-line { position: absolute; inset: 0; border-radius: 50%; border: 1.5px dashed color-mix(in srgb, var(--accent) 45%, transparent); }
.ring-inner .ring-line { border-style: solid; border-color: color-mix(in srgb, var(--accent3) 30%, transparent); }
.ring-packet { position: absolute; top: -5px; left: calc(50% - 5px); width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent2); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent2) 25%, transparent), 0 0 18px var(--accent2); }
.ring-inner .ring-packet { background: var(--accent3); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent3) 25%, transparent), 0 0 16px var(--accent3); top: auto; bottom: -5px; }
.orb-slot { position: absolute; left: 50%; top: 50%; width: 0; height: 0;
  transform: rotate(var(--a)) translateX(50cqw) rotate(calc(-1 * var(--a))); }
.orb-chip { position: absolute; left: 0; top: 0; translate: -50% -50%; display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px 6px 6px; border-radius: 999px;
  background: var(--card-hi); border: 1px solid var(--card-b); box-shadow: var(--shadow); white-space: nowrap; font-size: .82rem; font-weight: 650; color: var(--ink);
  animation: spin 90s linear infinite reverse; }
.ring-inner .orb-chip { animation-duration: 60s; animation-direction: normal; }
.orb-ic { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; flex: none;
  background: color-mix(in srgb, var(--c) 20%, transparent); color: var(--c); }
.orb-ic svg { width: 16px; height: 16px; }
.orb-core { position: absolute; left: 50%; top: 50%; translate: -50% -50%; width: 21%; aspect-ratio: 1; border-radius: 50%;
  display: grid; place-content: center; justify-items: center; gap: 4px; color: #fff; font-weight: 700; font-size: .95rem;
  background: radial-gradient(circle at 30% 25%, #7960df, #6a4ff0 55%, #b23fcf); box-shadow: 0 0 0 10px color-mix(in srgb, var(--accent) 14%, transparent), 0 24px 60px -16px #7a4dff; }
.orb-core svg { width: 30px; height: 30px; }
.orbit.offscreen .ring, .orbit.offscreen .orb-chip { animation-play-state: paused; }
@keyframes spin { to { rotate: 360deg; } }

/* ---------- sections ---------- */
.section { padding: clamp(64px, 9vw, 120px) 0 0; }
.section:last-of-type { padding-bottom: clamp(64px, 9vw, 120px); }
.sec-head { max-width: 760px; margin-bottom: clamp(28px, 4vw, 44px); }
.sec-head h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); font-weight: 760; letter-spacing: -.04em; }
.sec-head .lede { margin-top: 14px; color: var(--ink2); font-size: clamp(1rem, 1.4vw, 1.12rem); max-width: 62ch; }
.sec-head .eyebrow { margin-bottom: 14px; }

/* reveal on scroll (only when JS confirmed motion is fine) */
.reveal-on .reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); transition-delay: calc(var(--i, 0) * 70ms); }
.reveal-on .reveal.in { opacity: 1; transform: none; }

/* ---------- principles ---------- */
.pgrid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.pcard { grid-column: span 2; position: relative; padding: 24px 24px 26px; border-radius: 22px; background: var(--panel); border: 1px solid var(--panel-b);
  box-shadow: var(--shadow); overflow: hidden; }
.pcard:nth-child(4), .pcard:nth-child(5) { grid-column: span 3; }
.pcard::after { content: ""; position: absolute; inset: 0 0 auto 0; height: 2px; background: linear-gradient(90deg, var(--accent3), var(--accent), var(--accent2)); opacity: .55; }
.pcard-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.pcard-ic { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 16%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent); }
.pcard:nth-child(2) .pcard-ic { color: var(--accent2); background: color-mix(in srgb, var(--accent2) 14%, transparent); border-color: color-mix(in srgb, var(--accent2) 26%, transparent); }
.pcard:nth-child(3) .pcard-ic { color: var(--t-backup); background: color-mix(in srgb, var(--t-backup) 14%, transparent); border-color: color-mix(in srgb, var(--t-backup) 26%, transparent); }
.pcard:nth-child(4) .pcard-ic { color: var(--accent3); background: color-mix(in srgb, var(--accent3) 14%, transparent); border-color: color-mix(in srgb, var(--accent3) 26%, transparent); }
.pcard:nth-child(5) .pcard-ic { color: var(--t-web); background: color-mix(in srgb, var(--t-web) 14%, transparent); border-color: color-mix(in srgb, var(--t-web) 26%, transparent); }
.pcard-ic svg { width: 22px; height: 22px; }
.pcard-n { font-family: var(--mono); font-size: .8rem; font-weight: 600; color: var(--ink3); letter-spacing: .08em; }
.pcard h3 { font-size: 1.2rem; font-weight: 720; margin-bottom: 10px; }
.pcard p { color: var(--ink2); font-size: .98rem; }

/* ---------- stack ---------- */
.sgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); gap: 16px; }
.scard { padding: 22px; border-radius: 22px; background: var(--panel); border: 1px solid var(--panel-b); box-shadow: var(--shadow); }
.scard-h { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.scard-ic { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; color: var(--c); background: color-mix(in srgb, var(--c) 16%, transparent); }
.scard-ic svg { width: 20px; height: 20px; }
.scard h3 { font-family: var(--mono); font-size: .8rem; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; color: var(--ink2); }
.scard dl { margin: 0; display: grid; gap: 2px; }
.scard dl > div { display: grid; gap: 1px; padding: 10px 0; border-top: 1px solid var(--panel-b); }
.scard dl > div:first-child { border-top: 0; padding-top: 0; }
.scard dt { font-weight: 680; letter-spacing: -.01em; }
.scard dd { margin: 0; color: var(--ink3); font-size: .9rem; }

/* ---------- roadmap ---------- */
.rgrid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; position: relative; }
.rcard { position: relative; padding: 22px; border-radius: 22px; background: var(--panel); border: 1px solid var(--panel-b); box-shadow: var(--shadow); }
.rcard-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.rcard-ic { width: 40px; height: 40px; border-radius: 13px; display: grid; place-items: center; color: var(--st-planned);
  background: color-mix(in srgb, var(--st-planned) 15%, transparent); border: 1px dashed color-mix(in srgb, var(--st-planned) 50%, transparent); }
.rcard:first-child .rcard-ic { color: var(--accent2); background: color-mix(in srgb, var(--accent2) 15%, transparent); border-color: color-mix(in srgb, var(--accent2) 50%, transparent); }
.rcard-ic svg { width: 20px; height: 20px; }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-family: var(--mono); font-size: .72rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink2); border: 1px dashed var(--chip-b); }
.tag-next { color: var(--ink); border-style: solid; border-color: color-mix(in srgb, var(--accent2) 60%, transparent); background: color-mix(in srgb, var(--accent2) 12%, transparent); }
.rcard h3 { font-size: 1.1rem; font-weight: 720; margin-bottom: 8px; }
.rcard p { color: var(--ink2); font-size: .95rem; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--panel-b); padding: 28px 0 40px; color: var(--ink3); font-size: .9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.foot-main a { color: var(--ink2); text-decoration: none; font-weight: 600; border-radius: 6px; }
.foot-main a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* =================================================================== */
/*  Map                                                                */
/* =================================================================== */
.picker { padding: 16px; border-radius: 22px; background: var(--panel); border: 1px solid var(--panel-b); box-shadow: var(--shadow);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.picker-h { display: flex; align-items: baseline; justify-content: space-between; gap: 6px 12px; flex-wrap: wrap; margin: 2px 4px 12px; }
.picker-h h3 { font-size: 1.04rem; letter-spacing: -.01em; }
.picker-h p { color: var(--ink3); font-size: .88rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chip { position: relative; display: inline-flex; align-items: center; gap: 9px; min-height: 44px; padding: 6px 14px 6px 8px; border-radius: 14px; white-space: nowrap;
  border: 1px solid var(--chip-b); background: var(--chip); cursor: pointer; font-size: .9rem; font-weight: 620; color: var(--ink2); text-align: left;
  transition: background-color .25s var(--ease), border-color .25s var(--ease), color .2s, transform .18s var(--ease), box-shadow .25s var(--ease); }
.chip:hover { background: var(--chip-hover); color: var(--ink); transform: translateY(-1px); }
.chip:active { transform: translateY(0) scale(.98); }
.chip .ic { width: 30px; height: 30px; border-radius: 10px; display: grid; place-items: center; flex: none;
  background: color-mix(in srgb, var(--c, var(--accent)) 18%, transparent); color: var(--c, var(--accent)); }
.chip .ic svg { width: 18px; height: 18px; }
.chip[aria-pressed="true"] { color: var(--ink); border-color: color-mix(in srgb, var(--c, var(--accent)) 70%, transparent);
  background: color-mix(in srgb, var(--c, var(--accent)) 16%, var(--card-hi));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--c, var(--accent)) 40%, transparent), 0 10px 28px -12px var(--c, var(--accent)); }
.chip.impact { border-color: var(--st-alert); color: var(--ink); }
.chip.impact::after { content: ""; position: absolute; top: -4px; right: -4px; width: 10px; height: 10px; border-radius: 50%; background: var(--st-alert);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--st-alert) 30%, transparent); }

.stage { position: relative; margin-top: 14px; border-radius: 26px; background: var(--panel); border: 1px solid var(--panel-b); box-shadow: var(--shadow-lg); overflow: clip; }
.caption { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px 24px; padding: 20px 22px 16px; border-bottom: 1px solid var(--panel-b); }
.cap-main { min-width: 0; }
.cap-kicker { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: .72rem; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; color: var(--ink3); }
.cap-kicker .sw { width: 9px; height: 9px; border-radius: 50%; background: var(--c, var(--accent)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c, var(--accent)) 22%, transparent); }
.cap-title { margin: 6px 0 6px; font-size: clamp(1.15rem, 2vw, 1.4rem); letter-spacing: -.02em; line-height: 1.25; }
.cap-desc { color: var(--ink2); max-width: 80ch; font-size: .97rem; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; align-content: flex-start; justify-content: flex-end; max-width: 420px; }
.tab { min-height: 44px; padding: 6px 12px; border-radius: 12px; border: 1px solid var(--chip-b); background: var(--chip); cursor: pointer; font-size: .85rem; font-weight: 620; color: var(--ink2);
  display: inline-flex; align-items: center; gap: 7px; transition: background-color .2s, color .2s, border-color .2s; }
.tab:hover { background: var(--chip-hover); color: var(--ink); }
.tab .d { width: 8px; height: 8px; border-radius: 50%; background: var(--sc, var(--st-active)); }
.tab .d.planned { background: transparent; border: 2px dashed var(--sc); }
.tab[aria-pressed="true"] { background: var(--card-hi); color: var(--ink); border-color: color-mix(in srgb, var(--accent) 60%, transparent); }

.map-box { position: relative; }
.map { display: block; width: 100%; height: auto; overflow: hidden; user-select: none; -webkit-user-select: none; touch-action: pan-y pinch-zoom; }
.map.zoomed { cursor: grab; }
.map.dragging { cursor: grabbing; }
.map-tools { position: absolute; left: 12px; bottom: 12px; z-index: 5; display: flex; gap: 4px; padding: 4px; border-radius: 14px;
  background: color-mix(in srgb, var(--panel-solid) 82%, transparent); border: 1px solid var(--panel-b); box-shadow: var(--shadow);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.tool { width: 44px; height: 44px; border: 0; border-radius: 10px; background: transparent; color: var(--ink2); cursor: pointer; display: grid; place-items: center;
  transition: background-color .2s var(--ease), color .2s var(--ease), transform .15s var(--ease); }
.tool:hover { background: var(--chip-hover); color: var(--ink); }
.tool:active { transform: scale(.94); }
.tool[aria-pressed="true"] { color: var(--accent2); }
.tool svg { width: 18px; height: 18px; }
.map-hint { padding: 0 22px; margin-top: -4px; color: var(--ink3); font-size: .82rem; display: none; }

/* steps under the map */
.steps { padding: 18px 22px 20px; border-top: 1px solid var(--panel-b); }
.steps-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.steps-title { font-family: var(--mono); font-size: .72rem; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; color: var(--ink3); }
.steps-idle { color: var(--ink3); font-size: .92rem; }
.steps-wrap { display: grid; gap: 14px; }
.steps-blk { min-width: 0; }
.steps-lb { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: .84rem; font-weight: 650; color: var(--ink2); }
.steps-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: stretch; gap: 8px 22px; }
.sc { position: relative; }
.steps-list:not(.deps) .sc:not(:last-child)::before { content: ""; position: absolute; right: -18px; top: 50%; width: 12px; height: 2px; border-radius: 2px; background: var(--ink3); opacity: .7; }
.steps-list:not(.deps) .sc:not(:last-child)::after { content: ""; position: absolute; right: -19px; top: calc(50% - 4px); border: 4px solid transparent; border-left: 5px solid var(--ink3); border-right: 0; opacity: .7; }
.sc-btn { display: flex; align-items: center; gap: 10px; min-height: 48px; padding: 6px 12px 6px 6px; border-radius: 14px; cursor: pointer; text-align: left;
  border: 1px solid var(--chip-b); background: var(--chip); transition: background-color .2s var(--ease), border-color .2s var(--ease); }
.sc-btn:hover { background: var(--chip-hover); }
.sc-dep .sc-btn { border-style: dashed; border-color: color-mix(in srgb, var(--dep) 65%, transparent); }
.sc-ic { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; flex: none; color: var(--c); background: color-mix(in srgb, var(--c) 17%, transparent); }
.sc-ic svg { width: 18px; height: 18px; }
.sc-tx { display: grid; line-height: 1.25; min-width: 0; }
.sc-tx b { font-size: .9rem; font-weight: 650; }
.sc-tx small { font-size: .78rem; color: var(--ink3); }
.sc-st { display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: 999px; font-size: .72rem; font-weight: 650; color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--sc) 70%, transparent); background: color-mix(in srgb, var(--sc) 14%, transparent); white-space: nowrap; }
.sc-st.planned { border-style: dashed; }

.legend { display: flex; flex-wrap: wrap; gap: 8px 28px; padding: 14px 22px 18px; border-top: 1px solid var(--panel-b); font-size: .82rem; color: var(--ink2); }
.lg-grp { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; }
.legend b { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink3); }
.lg { display: inline-flex; align-items: center; gap: 7px; }
.lg svg { width: 34px; height: 10px; overflow: visible; }
.lg .dotst { width: 10px; height: 10px; border-radius: 50%; background: var(--sc); }
.lg .dotst.planned { background: transparent; border: 2px dashed var(--sc); }

/* SVG: zones and groups */
.zone rect { stroke-width: 1.2; stroke-dasharray: 2 5; }
.zone.z-cloud rect { fill: var(--z-cloud); stroke: var(--z-cloud-b); }
.zone.z-home rect { fill: var(--z-home); stroke: var(--z-home-b); }
.zlabel { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; fill: var(--ink3); }
.grp > rect.box { stroke-width: 1.4; transition: opacity .45s var(--ease), stroke-width .3s; }
.grp.g-cf > rect.box { fill: var(--g-cf); stroke: var(--g-cf-b); }
.grp.g-hyp > rect.box { fill: var(--g-hyp); stroke: var(--g-hyp-b); }
.grp.g-nas > rect.box { fill: var(--g-nas); stroke: var(--g-nas-b); }
.grp.g-out > rect.box { fill: var(--z-out); stroke: var(--z-out-b); stroke-dasharray: 2 5; }
.glabel { font-size: 13px; font-weight: 700; fill: var(--ink2); }
.gsub { font-size: 11.5px; fill: var(--ink3); }
.grp { cursor: pointer; }
.grp:focus-visible { outline: none; }
.grp:focus-visible > rect.box, .grp.pinned > rect.box { stroke: var(--focus); stroke-width: 2.4; stroke-dasharray: none; }

.router rect.bar { fill: url(#gRouter); stroke: color-mix(in srgb, var(--accent) 55%, transparent); stroke-width: 1.4; }
.router .router-ic { color: var(--ink2); }
.router .rname { font-size: 15px; font-weight: 700; fill: var(--ink); }
.router .rsub { font-size: 11.5px; fill: var(--ink2); }
.router { cursor: pointer; }
.router:focus-visible { outline: none; }
.router:focus-visible rect.bar, .router.pinned rect.bar { stroke: var(--focus); stroke-width: 2.4; }
.router.on rect.bar { stroke: color-mix(in srgb, var(--accent2) 80%, transparent); stroke-width: 2; }
.router.dep rect.bar { stroke: var(--dep); stroke-width: 2; stroke-dasharray: 7 5; }
.svg-sel .router { transition: opacity .45s var(--ease); }
.svg-sel .router:not(.on):not(.dep) { opacity: 1; }

.bus .line { stroke: var(--t-lan); stroke-width: 5; stroke-linecap: round; opacity: .38; }
.bus .hit { stroke: transparent; stroke-width: 20; cursor: pointer; }
.bus.on .line { opacity: .9; }
.bus:focus-visible { outline: none; }
.bus:focus-visible .line { stroke: var(--focus); opacity: 1; }

.edge path.base { fill: none; stroke: var(--tc); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; opacity: .55; transition: opacity .45s var(--ease); }
.edge path.hit { fill: none; stroke: transparent; stroke-width: 16; cursor: help; pointer-events: stroke; }
.edge.t-dns path.base { stroke-dasharray: 1 5; stroke-width: 2.4; }
.edge.t-backup path.base { stroke-dasharray: 10 4 2 4; }
.edge.t-lan path.base { stroke-width: 1.8; }
.edge.t-vpn path.base { stroke-width: 2.6; }
.edge.s-planned path.base { stroke-dasharray: 7 7; opacity: .5; }
.edge path.amb { fill: none; stroke: var(--tc); stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 2 26; opacity: 0; pointer-events: none; }
.svg-idle .edge.s-active path.amb { opacity: .85; animation: flow 2.2s linear infinite; }
.t-vpn { --tc: var(--t-vpn); } .t-web { --tc: var(--t-web); } .t-lan { --tc: var(--t-lan); }
.t-dns { --tc: var(--t-dns); } .t-backup { --tc: var(--t-backup); }
.elabel rect { fill: var(--card-hi); stroke: color-mix(in srgb, var(--tc) 55%, transparent); stroke-width: 1; }
.elabel text { font-size: 10.5px; font-weight: 700; fill: var(--ink); font-family: var(--mono); }
.elabel { transition: opacity .45s var(--ease); pointer-events: none; }

.node { cursor: pointer; }
.node:focus-visible { outline: none; }
.node .card { fill: var(--card); stroke: var(--card-b); stroke-width: 1.2; transition: stroke .3s, fill .3s; }
.node .icbg { fill: color-mix(in srgb, var(--nc) 18%, transparent); }
.node .ic { color: var(--nc); }
.node .nm { font-weight: 700; fill: var(--ink); }
.node .sb { fill: var(--ink3); }
.node .st { fill: var(--sc); }
.node .stp { fill: none; stroke: var(--sc); stroke-width: 1.5; opacity: 0; }
.node.s-planned .card { stroke: var(--st-planned); stroke-dasharray: 5 4; }
.node.s-planned .st { fill: transparent; stroke: var(--sc); stroke-width: 1.6; stroke-dasharray: 2 2; }
.node .lift { transition: transform .25s var(--ease); transform-box: fill-box; transform-origin: center; }
@media (hover: hover) and (pointer: fine) { .node:hover .lift { transform: translateY(-2px); } }
.node:hover .card, .node:focus-visible .card { fill: var(--card-hi); stroke: color-mix(in srgb, var(--nc) 70%, transparent); }
.node:active .lift { transform: scale(.97); }
.node:focus-visible .card, .node.pinned .card { stroke: var(--focus); stroke-width: 2.4; stroke-dasharray: none; }
.node .halo { fill: none; stroke: var(--nc); stroke-width: 2; opacity: 0; transform-box: fill-box; transform-origin: center; }

.svg-sel .node, .svg-sel .grp > rect.box, .svg-sel .edge, .svg-sel .elabel, .svg-sel .bus .line { transition: opacity .45s var(--ease); }
.svg-sel .node:not(.on):not(.dep) { opacity: 1; }
.svg-sel .edge:not(.on):not(.dep) path.base { opacity: .1; }
.svg-sel .elabel:not(.on) { opacity: 1; }
.svg-sel .bus:not(.on) .line { opacity: .16; }
.svg-sel .grp:not(.on):not(.dep) > rect.box { opacity: .55; }
.node.on .card { stroke: color-mix(in srgb, var(--nc) 85%, transparent); stroke-width: 1.8; fill: var(--card-hi); }
.node.on .halo { animation: breathe 2.8s var(--ease) infinite; }
.node.dep .card { stroke: var(--dep); stroke-width: 1.8; stroke-dasharray: 5 3; fill: var(--card-hi); }
.grp.dep > rect.box { stroke: var(--dep); stroke-width: 2; stroke-dasharray: 6 4; }
.grp.on > rect.box { stroke-width: 2; }
.node.what { opacity: 1 !important; }
.node.what .card { stroke: var(--st-alert); stroke-width: 2.4; }
.edge.on path.base { opacity: .35; }
.edge.dep path.base { opacity: .3; }

.trace .glow { fill: none; stroke-width: 12; stroke-linecap: round; stroke-linejoin: round; opacity: .16; }
.trace .core { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.trace .flow { fill: none; stroke-width: 3; stroke-linecap: round; stroke-dasharray: 3 15; opacity: .95; animation: flow 1.1s linear infinite; stroke: rgba(255, 255, 255, .95); }
.trace.planned .core { stroke-dasharray: 8 6; }
.trace.planned .flow { display: none; }
.dline { fill: none; stroke: var(--dep); stroke-width: 2.6; stroke-dasharray: 6 6; stroke-linecap: round; animation: flow 1.6s linear infinite; }
.dtag rect { fill: var(--card-hi); stroke: var(--dep); stroke-width: 1.2; }
.dtag text { font-size: 11px; font-weight: 700; fill: var(--ink); }
.dtag text .k { fill: var(--dep); }
.ripple { fill: none; stroke: var(--dep); stroke-width: 2; transform-box: fill-box; transform-origin: center; animation: ripple 2.4s var(--ease) infinite; opacity: 0; }
.ripple.bad { stroke: var(--st-alert); }
.pk circle.c { fill: #fff; }
.pk circle.h { opacity: .35; }
.l-dep, .l-trace, .l-tags, .l-packets, .l-labels { pointer-events: none; }

@keyframes flow { to { stroke-dashoffset: -36; } }
@keyframes breathe { 0%, 100% { opacity: 0; transform: scale(1); } 50% { opacity: .55; transform: scale(1.04); } }
@keyframes ripple { 0% { opacity: .8; transform: scale(1); } 100% { opacity: 0; transform: scale(1.25); } }
@keyframes pulse { 0% { opacity: .55; transform: scale(1); } 70%, 100% { opacity: 0; transform: scale(2.2); } }
.svg-sel .node.on .stp, .svg-idle .node.s-ondemand .stp { transform-box: fill-box; transform-origin: center; animation: pulse 3.2s var(--ease) infinite; }

/* map entrance */
.pre .zone, .pre .grp, .pre .router, .pre .node, .pre .edge, .pre .elabel, .pre .bus { opacity: 0; }
.intro .zone, .intro .grp, .intro .router { animation: rise .7s var(--ease) both; animation-delay: var(--d, 0ms); }
.intro .node { animation: pop .6s var(--ease) both; animation-delay: var(--d, 0ms); }
.intro .edge, .intro .elabel, .intro .bus { animation: fade .8s var(--ease) both; animation-delay: var(--d, 0ms); }
.intro .draw { animation: draw 1.1s var(--ease) both; animation-delay: var(--d, 0ms); }
.intro .zone, .intro .grp, .intro .node, .intro .router { transform-box: fill-box; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes draw { from { stroke-dashoffset: 1; opacity: .9; } 80% { opacity: .9; } to { stroke-dashoffset: 0; opacity: 0; } }
.draw { fill: none; stroke: var(--tc); stroke-width: 3; stroke-dasharray: 1; stroke-dashoffset: 1; opacity: 0; pointer-events: none; }

.paused *, .paused *::before, .paused *::after { animation-play-state: paused !important; }

/* tooltip and node card */
.tip { position: absolute; z-index: 6; max-width: 290px; padding: 10px 12px; border-radius: 12px; pointer-events: none;
  background: var(--card-hi); border: 1px solid var(--card-b); box-shadow: var(--shadow); font-size: .84rem; color: var(--ink2); line-height: 1.45;
  opacity: 0; transform: translateY(4px); transition: opacity .16s var(--ease), transform .16s var(--ease); }
.tip.show { opacity: 1; transform: none; }
.tip strong { display: block; color: var(--ink); font-size: .92rem; }
.tip .meta, .card-pop .meta { font-family: var(--mono); font-size: .76rem; color: var(--ink3); }
.tip .stl, .card-pop .stl { display: inline-flex; align-items: center; gap: 6px; margin-top: 4px; font-weight: 650; color: var(--ink); font-size: .82rem; }
.tip .stl::before, .card-pop .stl::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--sc); }
.tip p { margin-top: 4px; }
.tip .more { margin-top: 6px; color: var(--ink3); font-size: .76rem; }

.card-pop { position: absolute; z-index: 7; width: min(340px, calc(100% - 24px)); padding: 14px 16px 16px; border-radius: 16px;
  background: var(--dialog); border: 1px solid var(--card-b); box-shadow: var(--shadow); font-size: .9rem; color: var(--ink2); line-height: 1.5;
  animation: popin .22s var(--ease) both; }
@keyframes popin { from { opacity: 0; transform: translateY(6px) scale(.98); } to { opacity: 1; transform: none; } }
.card-pop h3 { margin: 0 40px 2px 0; font-size: 1.04rem; color: var(--ink); }
.card-pop p { margin-top: 8px; }
.card-pop .sec { margin-top: 12px; }
.card-pop .sec b { display: block; font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink3); margin-bottom: 6px; }
.card-pop .list { display: flex; flex-wrap: wrap; gap: 6px; }
.card-pop .x { position: absolute; top: 8px; right: 8px; width: 44px; height: 44px; border-radius: 10px; border: 0; background: var(--chip); cursor: pointer; display: grid; place-items: center; }
.card-pop .x:hover { background: var(--chip-hover); }
.card-pop .x svg { width: 16px; height: 16px; }
.step { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--chip-b);
  background: var(--chip); color: var(--ink); font-size: .84rem; cursor: pointer; transition: background-color .2s, border-color .2s; }
.step:hover { background: var(--chip-hover); }
.step i { font-style: normal; color: var(--ink3); }
.step.bad { border-color: color-mix(in srgb, var(--st-alert) 60%, transparent); }
.card-pop.sheet { position: fixed; left: 8px; right: 8px; bottom: calc(8px + env(safe-area-inset-bottom)); top: auto; width: auto; max-height: 62vh; overflow: auto;
  overscroll-behavior: contain; border-radius: 20px; padding-top: 20px; z-index: 60; animation: sheetin .28s var(--ease) both; box-shadow: 0 -10px 50px -12px rgba(0, 0, 0, .5); }
.card-pop .grab { position: absolute; top: 8px; left: 50%; width: 40px; height: 4px; margin-left: -20px; border-radius: 4px; background: var(--chip-b); }
@keyframes sheetin { from { transform: translateY(30px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .orbit { width: min(86vw, 440px); }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact:nth-child(3) { border-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid var(--panel-b); }
  .pgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pcard, .pcard:nth-child(4), .pcard:nth-child(5) { grid-column: span 1; }
  .pcard:nth-child(5) { grid-column: span 2; }
  .rgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .caption { grid-template-columns: 1fr; }
  .tabs { justify-content: flex-start; max-width: none; }
}
@media (max-width: 720px) {
  :root { --gutter: 16px; --header-h: 58px; }
  body { font-size: 16px; }
  .nav { display: none; }
  .header-in { justify-content: space-between; }
  .hero { padding-top: 36px; }
  .orbit { font-size: 14px; }
  .orb-chip { font-size: .72rem; padding: 4px 9px 4px 4px; gap: 6px; }
  .orb-ic { width: 24px; height: 24px; }
  .orb-ic svg { width: 14px; height: 14px; }
  .orb-core { font-size: .8rem; }
  .orb-core svg { width: 22px; height: 22px; }
  .fact { flex-direction: column; gap: 6px; padding: 16px; }
  .pgrid, .rgrid { grid-template-columns: 1fr; }
  .pcard, .pcard:nth-child(4), .pcard:nth-child(5) { grid-column: auto; }
  .picker { padding: 12px 0 12px 12px; border-radius: 18px; }
  .picker-h { margin-right: 12px; }
  .chips { flex-wrap: nowrap; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x proximity; padding: 2px 12px 6px 2px; scrollbar-width: thin; }
  .chips li { scroll-snap-align: start; flex: none; }
  .stage { border-radius: 20px; }
  .caption { padding: 14px 14px 12px; }
  .map-tools { position: static; width: max-content; margin: 8px 14px 0 auto; padding: 3px; gap: 2px; }
  .tool { width: 44px; height: 44px; }
  .map-hint { display: block; padding: 8px 14px 0; margin: 0; }
  .steps { padding: 14px; }
  .steps-list:not(.deps) { flex-direction: column; flex-wrap: nowrap; gap: 14px; }
  .steps-list.deps { flex-direction: column; gap: 8px; }
  .steps-list:not(.deps) .sc:not(:last-child)::before { right: auto; left: 22px; top: auto; bottom: -12px; width: 2px; height: 10px; }
  .steps-list:not(.deps) .sc:not(:last-child)::after { display: none; }
  .sc-btn { width: 100%; }
  .legend { padding: 12px 14px 14px; gap: 10px; }
  .tip { display: none; }
  .site-footer .wrap { flex-direction: column; }
}
@media (max-width: 380px) {
  .brand-word span { display: none; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
  .ring, .orb-chip, .trace .flow, .dline, .ripple, .halo, .stp, .amb { animation: none !important; }
  .svg-idle .edge.s-active path.amb { opacity: 0; }
  .ripple { opacity: .6; }
  .draw { display: none; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

@media (forced-colors: active) {
  .hero h1 .accent, .fact b { color: CanvasText; background: none; }
}

[hidden] { display: none !important; }
.keyboard-input .reveal { transition: none; }
@media (prefers-reduced-motion: reduce) {
  .node .lift, .btn, .chip, .tool, .icon-btn { transform: none !important; }
}

/* Visual language shared with the portfolio. Fonts are served locally. */
@font-face { font-family: "Space Grotesk"; src: url("/assets/fonts/space-grotesk.woff2") format("woff2"); font-style: normal; font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Space Mono"; src: url("/assets/fonts/space-mono.woff2") format("woff2"); font-style: normal; font-weight: 400; font-display: swap; }
:root {
  --font: "Space Grotesk", system-ui, sans-serif;
  --mono: "Space Mono", ui-monospace, monospace;
  --bg0: #080b16; --bg1: #080b16; --bg2: #101427;
  --ink: #edf1ff; --ink2: #bcc4dc; --ink3: #a8b0c8;
  --panel: #101427; --panel-solid: #101427; --dialog: #151a2b;
  --card: #101427; --card-hi: #151a2b;
  --card-b: #30384f; --panel-b: #30384f; --chip-b: #30384f;
  --accent: #78a9ff; --accent2: #a68bff; --accent3: #78a9ff;
  --focus: #b8d0ff; --shadow: none; --shadow-lg: none;
}
:root[data-theme="light"] {
  --bg0: #f4f6fb; --bg1: #f4f6fb; --bg2: #e8edf7;
  --ink: #151a2b; --ink2: #39435c; --ink3: #505c76;
  --panel: #fff; --panel-solid: #fff; --dialog: #fff; --card: #fff; --card-hi: #f2f5fb;
  --card-b: #c7d0e1; --panel-b: #c7d0e1; --chip-b: #c7d0e1;
  --accent: #315eaa; --accent2: #6546b2; --accent3: #315eaa; --focus: #315eaa;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg0: #f4f6fb; --bg1: #f4f6fb; --bg2: #e8edf7;
    --ink: #151a2b; --ink2: #39435c; --ink3: #505c76;
    --panel: #fff; --panel-solid: #fff; --dialog: #fff; --card: #fff; --card-hi: #f2f5fb;
    --card-b: #c7d0e1; --panel-b: #c7d0e1; --chip-b: #c7d0e1;
    --accent: #315eaa; --accent2: #6546b2; --accent3: #315eaa; --focus: #315eaa;
  }
}
body::before {
  background: linear-gradient(color-mix(in srgb, var(--accent) 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 4%, transparent) 1px, transparent 1px), var(--bg0);
  background-size: 64px 64px;
}
.site-header { background: var(--bg0); border-bottom: 0; backdrop-filter: none; -webkit-backdrop-filter: none; }
.header-in { border: 1px solid var(--panel-b); background: var(--bg0); padding-inline: 16px; }
.brand-mark { background: none; color: var(--accent); box-shadow: none; border: 1px solid var(--panel-b); border-radius: 0; }
.nav a { font-family: var(--mono); font-size: .69rem; letter-spacing: .1em; text-transform: uppercase; border-radius: 0; }
.icon-btn, .btn, .facts, .pcard, .scard, .rcard, .picker, .stage, .chip, .tabs button, .map-box { border-radius: 0; box-shadow: none; }
.hero { padding-top: clamp(55px, 7vw, 100px); }
.hero h1 { font-size: clamp(3.1rem, 7.2vw, 6.8rem); font-weight: 700; letter-spacing: -.065em; line-height: .98; }
.hero h1 .accent { background: none; color: var(--ink2); }
.eyebrow { color: var(--accent); font-weight: 400; }
.eyebrow::before { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.btn-primary { background: var(--ink); color: var(--bg0); box-shadow: none; }
.btn-primary:hover { box-shadow: none; }
.btn-ghost { background: transparent; }
.facts { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
.fact { display: block; }
.fact b { display: block; background: none; color: var(--ink); font-size: 1.1rem; margin-bottom: .5rem; }
.fact span { font-family: var(--mono); font-size: .73rem; }
.orb-glow { opacity: .22; }
.orb-core { background: var(--panel-solid); color: var(--ink); border: 1px solid var(--accent); box-shadow: none; }
.orb-chip { box-shadow: none; }
.pcard::after { background: var(--accent); opacity: .45; }
.sec-head h2 { font-weight: 700; letter-spacing: -.05em; }
.pcard, .scard, .rcard, .picker, .stage { background: var(--panel); }