/* ============================================================
   Octagon website - paper & glass redesign.
   Hero stage: LED-dot bitmap type, three rigid glass metric
   cards (429x554 ref units), one-shot entrance motion.
   Sections after the stage: paper, ink, hairline glass, dark
   code, dark footer. Inter via Google Fonts. No frameworks.
   ============================================================ */

/* ---------- Tokens ---------- */

:root {
  --paper: #ececeb;
  --ink: #222222;
  --copy: #4a4a4a;
  --faint: #616161;
  --accent: #ad314d;         /* LED accent crimson (5.4:1 on paper) */
  --accent-deep: #8c2540;
  --glass-line: rgba(255, 255, 255, .36);
  --dark: #0b0e12;           /* code blocks + footer */
  --card-ref-w: 429;
  --card-ref-h: 554;
  --card-radius: 17;
  --card-count: 3;
  --gap: clamp(8px, 1.5vw, 23px);
  --gutter: clamp(14px, 3.6vw, 54px);
  --content-max: calc(var(--card-count) * var(--card-ref-w) * 1px + (var(--card-count) - 1) * var(--gap));
  --pad-top: clamp(20px, 9.6vh, 94px);
  --pad-bottom: clamp(16px, 3vh, 52px);
  --masthead-gap: clamp(16px, 3vw, 40px);
  --cards-offset: clamp(14px, 9.4vh, 92px);
  --grain-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.54' numOctaves='3' seed='27' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Base ---------- */

* { box-sizing: border-box; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

html {
  -webkit-text-size-adjust: 100%;
  min-width: 100%;
}

body {
  margin: 0;
  min-width: 100%;
  color: var(--ink);
  background: var(--paper);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

button, a { font: inherit; }

code, pre {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

::selection { background: rgba(173, 49, 77, .18); }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 24px);
}

.narrow { max-width: 820px; }

section[id] { scroll-margin-top: 84px; }

/* ---------- Accessibility ---------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 40;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Floating pill nav ---------- */

.pill-nav {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 6px 18px;
  max-width: calc(100vw - 20px);
  padding: 8px 10px 8px 16px;
  border-radius: 999px;
  background: rgba(236, 236, 235, .74);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, .6);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .5) inset, 0 10px 30px -18px rgba(34, 34, 34, .35);
}

.pill-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: -.01em;
  white-space: nowrap;
}
.pill-brand img { width: 22px; height: 22px; display: block; }

.pill-links {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
}
.pill-links a {
  color: var(--copy);
  text-decoration: none;
  font-size: .86rem;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
  transition: color .15s ease, background-color .15s ease;
}
.pill-links a:hover { color: var(--ink); background: rgba(34, 34, 34, .06); }

.pill-github {
  color: var(--ink);
  text-decoration: none;
  font-size: .86rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(34, 34, 34, .22);
  white-space: nowrap;
  transition: border-color .15s ease, background-color .15s ease;
}
.pill-github:hover { border-color: var(--ink); background: rgba(34, 34, 34, .05); }

/* ============================================================
   HERO STAGE
   ============================================================ */

.stage {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100svh;
  min-height: 540px;
  overflow: hidden;
  padding: max(var(--pad-top), 74px) var(--gutter) var(--pad-bottom);
  background: var(--paper);
}

.paper-texture {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: block;
  opacity: .55;
  pointer-events: none;
}
.paper-texture svg { display: block; width: 100%; height: 100%; }

.filter-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.masthead,
.cards {
  width: min(100%, var(--content-max));
  margin-inline: auto;
}

/* ---------- Masthead ---------- */

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, clamp(260px, 32vw, 483px));
  gap: var(--masthead-gap);
  align-items: start;
  z-index: 2;
  flex: 0 0 auto;
}

.headline {
  margin: 0;
  max-width: 100%;
  color: #202020;
  font-size: clamp(24px, min(3.1vw, 5.9vh), 47px);
  font-weight: 400;
  letter-spacing: .015em;
  line-height: 1.223;
}

.headline__line {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
}

.dot-word {
  display: inline-block;
  flex: 0 0 auto;
  width: 4.851em;
  height: .766em;
  margin-left: .319em;
  color: #ad314d;
  transform: translateY(.085em);
}

.dot-svg {
  display: block;
  overflow: visible;
  color: inherit;
}
.dot-svg circle { fill: currentColor; }
.dot-word .dot-svg { width: 100%; height: 100%; }

.intro {
  container-type: inline-size;
  width: 100%;
  margin: .34em 0 0;
  color: var(--copy);
  font-size: clamp(13px, min(1.36vw, 2.6vh), 20.6px);
  font-weight: 400;
  letter-spacing: -.017em;
  line-height: 1.62;
}

.desktop-break { display: none; }
@container (min-width: 26.5em) {
  .desktop-break { display: inline; }
}

/* ---------- Cards row ---------- */

.cards {
  flex: 1 1 auto;
  container-type: size;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--gap);
  min-height: 0;
  margin-top: var(--cards-offset);
  --card-w: min(
    (100cqw - (var(--card-count) - 1) * var(--gap)) / var(--card-count),
    100cqh * var(--card-ref-w) / var(--card-ref-h),
    var(--card-ref-w) * 1px
  );
}

.card {
  container-type: inline-size;
  position: relative;
  flex: 0 0 auto;
  overflow: hidden;
  width: var(--card-w);
  aspect-ratio: 429 / 554;
  border: 1px solid var(--glass-line);
  border-radius: calc(var(--card-w) * 17 / 429);
  background-origin: border-box;
  color: #fff;
  --u: calc(100cqw / 429);
  box-shadow: 0 2px 4px rgba(24, 36, 52, .30), inset 0 1px 0 rgba(255, 255, 255, .24);
}

/* Card backgrounds - exact recipes, retinted to Octagon's Liquid
   Glass identity: icy blue-gray, slate, silver. Same layering
   geometry and opacities as the approved spec; only the hue
   family moved. Each shorthand is followed by a re-asserted
   background-origin so the 1px glass rim stays clean. */

.card--speed {
  background:
    radial-gradient(ellipse 34% 24% at 50% 2%, rgba(228,240,252,.10) 0%, transparent 76%),
    radial-gradient(ellipse 44% 34% at 106% 20%, rgba(230,241,252,.10) 0%, transparent 74%),
    radial-gradient(ellipse 40% 27% at 50% 82%, rgba(222,236,250,.08) 0%, transparent 74%),
    radial-gradient(ellipse 43% 31% at -7% 61%, rgba(31,53,84,.06) 0%, transparent 74%),
    radial-gradient(ellipse 47% 34% at 107% 82%, rgba(29,49,80,.07) 0%, transparent 74%),
    linear-gradient(180deg, rgba(246,251,255,.43) 0%, rgba(237,245,252,.19) 9%, transparent 22%),
    radial-gradient(ellipse 44% 34% at 50% 111%, rgba(4,16,32,.16) 0%, transparent 74%),
    radial-gradient(ellipse 105% 32% at 50% 80%, rgba(218,234,248,.20) 0%, rgba(205,224,240,.10) 48%, transparent 78%),
    radial-gradient(ellipse 55% 22% at -5% 39%, rgba(214,238,252,.15) 0%, transparent 76%),
    radial-gradient(ellipse 64% 49% at -8% 106%, rgba(222,236,250,.48) 0%, rgba(204,222,238,.25) 49%, transparent 78%),
    radial-gradient(ellipse 64% 49% at 108% 106%, rgba(222,236,250,.43) 0%, rgba(204,222,238,.22) 49%, transparent 78%),
    radial-gradient(ellipse 52% 54% at -8% 44%, rgba(216,232,246,.20) 0%, transparent 77%),
    radial-gradient(ellipse 68% 45% at -4% -3%, rgba(235,244,252,.73) 0%, rgba(226,236,246,.41) 46%, transparent 77%),
    radial-gradient(ellipse 70% 45% at 104% -4%, rgba(238,246,253,.78) 0%, rgba(226,236,246,.42) 48%, transparent 78%),
    radial-gradient(ellipse 93% 47% at 106% 58%, rgba(241,247,252,.73) 0%, rgba(231,240,248,.42) 48%, transparent 76%),
    radial-gradient(ellipse 74% 40% at -8% 73%, rgba(210,228,244,.48) 0%, rgba(194,214,234,.25) 48%, transparent 77%),
    radial-gradient(ellipse 77% 36% at 57% 58%, rgba(226,238,250,.30) 0%, rgba(206,222,238,.15) 50%, transparent 78%),
    radial-gradient(ellipse 54% 30% at 50% 17%, rgba(10,30,56,.22) 0%, transparent 78%),
    linear-gradient(180deg, #4f789f 0%, #426a94 38%, #38587c 72%, #1c3049 100%);
  background-origin: border-box;
}

.card--context {
  background:
    radial-gradient(ellipse 118% 66% at 48% -8%, rgba(221,232,255,.065), transparent 74%),
    radial-gradient(ellipse 106% 52% at 48% 112%, rgba(155,190,222,.075), transparent 73%),
    radial-gradient(ellipse 82% 15% at 50% 29%, rgba(204,224,244,.24), transparent 81%),
    radial-gradient(ellipse 64% 18% at 50% 61%, rgba(177,205,228,.17), transparent 81%),
    radial-gradient(ellipse 43% 42% at -5% 30%, rgba(220,232,248,.53), transparent 78%),
    radial-gradient(ellipse 43% 42% at 105% 30%, rgba(200,218,236,.54), transparent 78%),
    radial-gradient(ellipse 70% 48% at 70% 110%, rgba(204,216,228,.62), transparent 77%),
    radial-gradient(ellipse 70% 23% at 78% 1%, rgba(208,226,244,.56), transparent 78%),
    radial-gradient(ellipse 78% 25% at 15% 8%, rgba(211,226,245,.54), transparent 79%),
    radial-gradient(ellipse 38% 31% at 80% 90%, rgba(190,205,220,.38), transparent 74%),
    radial-gradient(ellipse 45% 26% at 47% 78%, rgba(184,200,216,.45), transparent 73%),
    linear-gradient(164deg, #b8c9dd 0%, #8ba6c2 29%, #54708f 64%, #32465e 100%);
  background-origin: border-box;
}

.card--connections {
  background:
    radial-gradient(ellipse 54% 14% at 56% 0%, rgba(206,224,240,.16), transparent 76%),
    radial-gradient(ellipse 38% 24% at 102% 8%, rgba(190,212,232,.24), transparent 75%),
    radial-gradient(ellipse 28% 24% at -5% 66%, rgba(192,214,234,.30), transparent 74%),
    radial-gradient(ellipse 46% 30% at 104% 32%, rgba(140,180,216,.42), transparent 74%),
    radial-gradient(ellipse 80% 36% at 62% 57%, rgba(120,168,206,.62), transparent 72%),
    radial-gradient(ellipse 58% 30% at 6% 103%, rgba(45,74,104,.38), transparent 76%),
    radial-gradient(ellipse 60% 32% at 97% 101%, rgba(40,66,96,.42), transparent 76%),
    linear-gradient(177deg, #2e4a68 0%, #2a4562 24%, #3d6488 52%, #2c4763 78%, #243a50 100%);
  background-origin: border-box;
}

/* Sheen */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  mix-blend-mode: screen;
  pointer-events: none;
  background:
    linear-gradient(102deg, rgba(255,255,255,.10), transparent 28%, rgba(255,255,255,.08) 62%, transparent 88%),
    radial-gradient(ellipse 85% 34% at 54% 7%, rgba(255,255,255,.24), transparent 72%);
}
.card--speed::before {
  background:
    linear-gradient(103deg, rgba(255,255,255,.08), transparent 31%, rgba(255,255,255,.055) 63%, transparent 88%),
    radial-gradient(ellipse 92% 19% at 51% 0%, rgba(255,255,255,.08), transparent 78%);
}
.card--context::before {
  mix-blend-mode: multiply;
  opacity: .54;
  background:
    radial-gradient(ellipse 18% 23% at 20% 32%, rgba(41,86,148,.24), transparent 76%),
    radial-gradient(ellipse 20% 24% at 81% 30%, rgba(34,74,121,.22), transparent 76%),
    radial-gradient(ellipse 66% 9% at 50% 30%, rgba(33,70,125,.26), transparent 82%),
    radial-gradient(ellipse 68% 8% at 50% 69%, rgba(27,44,64,.23), transparent 83%),
    linear-gradient(103deg, rgba(255,255,255,.08), transparent 31%, rgba(255,255,255,.05) 63%, transparent 88%);
}
.card--connections::before {
  background:
    linear-gradient(102deg, rgba(255,255,255,.07), transparent 30%, rgba(255,255,255,.05) 62%, transparent 88%),
    radial-gradient(ellipse 84% 26% at 54% 4%, rgba(255,255,255,.11), transparent 74%);
}

/* Grain */
.card__grain {
  position: absolute;
  z-index: 2;
  inset: -8%;
  width: 116%;
  height: 116%;
  display: block;
  opacity: .46;
  mix-blend-mode: soft-light;
  pointer-events: none;
}
.card--speed .card__grain { opacity: .54; }
.card--context .card__grain { opacity: .68; }
.card--connections .card__grain { opacity: .58; }

/* Title */
.card__title {
  position: absolute;
  z-index: 4;
  top: 6.1%;
  left: 5%;
  width: 90%;
  margin: 0;
  color: rgba(255, 255, 255, .96);
  font-size: calc(22.95 * var(--u));
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.48;
  text-align: center;
  text-shadow: 0 1px 1px rgba(22, 36, 54, .16);
}
.card--speed .card__title { top: 6.3%; font-size: calc(22.7 * var(--u)); }
.card--context .card__title { font-size: calc(23 * var(--u)); line-height: 1.48; }

/* Metric (LED number + unit) */
.metric {
  position: absolute;
  z-index: 5;
  left: 0;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  color: rgba(255, 255, 255, .97);
  filter: drop-shadow(0 1px 1px rgba(20, 40, 64, .10));
}

.dot-number { display: block; }
.dot-number .dot-svg { width: auto; height: 100%; }

/* The spec sizes metric dot-numbers by width for its multi-digit
   metrics ("118" -> 31.2% wide). Octagon's metrics are single digits,
   so they are sized by the equivalent optical block height instead
   (what each spec width yields for its reference string). */
.metric--speed { top: 48.6%; }
.metric--speed .dot-number { height: calc(53.5 * var(--u)); }
.metric--speed .dot-svg {
  transform: translate(calc(4 * var(--u)), calc(2 * var(--u))) scale(.925, 1.018);
  transform-origin: left top;
}
.metric--speed .metric__unit {
  margin-left: 1%;
  font-size: calc(30.6 * var(--u));
  transform: translateY(calc(5 * var(--u)));
}

.metric--context { top: 48.0%; transform: translateX(2.1cqw); }
.metric--context .dot-number { height: calc(61 * var(--u)); }
.metric--context .dot-svg {
  transform: translate(calc(-1 * var(--u)), calc(-.5 * var(--u))) scale(.96, 1.02);
  transform-origin: center;
}

.metric--connections { top: 48.5%; transform: translateX(2.1cqw); }
.metric--connections .dot-number { height: calc(69 * var(--u)); }

.metric__unit {
  font-weight: 400;
  line-height: 1;
  letter-spacing: calc(-.8 * var(--u));
}
.metric--speed .metric__unit { letter-spacing: 0; }
.metric--connections .metric__unit { margin-left: 1.3%; font-size: calc(30.46 * var(--u)); }

/* Caption */
.caption {
  position: absolute;
  z-index: 5;
  top: 65.1%;
  left: 10%;
  width: 80%;
  margin: 0;
  color: rgba(255, 255, 255, .87);
  font-size: calc(19.95 * var(--u));
  font-weight: 400;
  letter-spacing: calc(-.36 * var(--u));
  line-height: 1.45;
  text-align: center;
  text-shadow: 0 1px 2px rgba(16, 32, 52, .16);
}
.card--speed .caption { top: 64.75%; font-size: calc(20.33 * var(--u)); }
.card--context .caption {
  top: 65.72%;
  color: rgba(255, 255, 255, .84);
  font-size: calc(19.1 * var(--u));
  letter-spacing: calc(-.28 * var(--u));
  line-height: 1.38;
}

/* Button */
.learn-more {
  position: absolute;
  z-index: 6;
  top: 83.75%;
  left: 50%;
  width: calc(111 * var(--u));
  height: calc(45 * var(--u));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  color: #2d2d2d;
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .50) inset, 0 1px 3px rgba(24, 38, 56, .08);
  font-size: calc(14 * var(--u));
  font-weight: 400;
  letter-spacing: calc(-.25 * var(--u));
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}
.learn-more:hover {
  transform: translateX(-50%) translateY(calc(-2 * var(--u)));
  box-shadow: 0 8px 20px rgba(24, 38, 56, .16);
}
.learn-more:focus-visible {
  outline: 3px solid rgba(255, 255, 255, .78);
  outline-offset: 3px;
}
.card--speed .learn-more,
.card--context .learn-more { top: 83.9%; height: calc(44 * var(--u)); }

/* Card 1: gauge */
.gauge {
  position: absolute;
  z-index: 2;
  top: 27.63%;
  left: 10.5%;
  width: 79%;
  height: 59%;
  overflow: visible;
}

/* Card 2: context glow + tile wall + window */
.context-glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 70% 40% at 50% 30%, rgba(255, 255, 255, .10), transparent 70%);
}

.context-backdrop {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 54%, rgba(0, 0, 0, .72) 58%, rgba(0, 0, 0, .18) 62%, transparent 65%);
  mask-image: linear-gradient(180deg, #000 0%, #000 54%, rgba(0, 0, 0, .72) 58%, rgba(0, 0, 0, .18) 62%, transparent 65%);
}

.context-window {
  position: absolute;
  z-index: 3;
  top: 32.4%;
  left: 20.4%;
  width: 59%;
  height: 30.1%;
  overflow: hidden;
  border: none;
  border-radius: calc(10 * var(--u));
  background:
    linear-gradient(0deg, rgba(255,255,255,.30) 0%, rgba(255,255,255,.15) 45%, rgba(255,255,255,0) 80%),
    linear-gradient(270deg, rgba(96,138,178,.62) 0px, rgba(96,138,178,0) calc(5 * var(--u))),
    radial-gradient(ellipse 118% 70% at 60% 8%, rgba(226,240,252,.34), transparent 74%),
    linear-gradient(105deg, rgba(240,248,253,.72) 0%, rgba(140,180,214,.68) 51%, rgba(96,138,178,.82) 100%);
  box-shadow: 0 calc(13 * var(--u)) calc(25 * var(--u)) rgba(17, 34, 54, .31), inset 0 1px 0 rgba(255, 255, 255, .12);
  -webkit-backdrop-filter: blur(calc(9 * var(--u))) saturate(1.08);
  backdrop-filter: blur(calc(9 * var(--u))) saturate(1.08);
}

.window-grain {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: .24;
  mix-blend-mode: soft-light;
}

.window-lines {
  position: absolute;
  top: 9%;
  left: 6.7%;
  width: 87%;
  height: 24%;
}
.window-lines span {
  display: block;
  height: calc(6 * var(--u));
  border-radius: calc(2.5 * var(--u));
  background: rgba(255, 255, 255, .72);
  width: 29%;
  margin-bottom: calc(3 * var(--u));
}
.window-lines span:nth-child(2) {
  width: 100%;
  height: calc(22 * var(--u));
  border-radius: calc(6 * var(--u));
  background: linear-gradient(90deg, rgba(240,248,255,.72), rgba(180,210,238,.75) 42%, rgba(130,175,215,.78));
}
.window-lines span:nth-child(3) {
  width: 86%;
  margin-top: calc(3 * var(--u));
  margin-bottom: 0;
  opacity: .64;
}

/* Card 3: connections map */
.connections-map {
  position: absolute;
  z-index: 2;
  top: 21.7%;
  left: 0;
  width: 100%;
  height: 43%;
  display: block;
  opacity: .78;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 50%, rgba(0, 0, 0, .46) 67%, rgba(0, 0, 0, .15) 83%, transparent 96%);
  mask-image: linear-gradient(180deg, #000 0%, #000 50%, rgba(0, 0, 0, .46) 67%, rgba(0, 0, 0, .15) 83%, transparent 96%);
}

/* ---------- Entrance animations (one-shot) ---------- */

html.entrance-active .headline__line,
html.entrance-active .intro,
html.entrance-active .card,
html.entrance-active .card__title,
html.entrance-active .gauge,
html.entrance-active .context-window,
html.entrance-active .connections-map,
html.entrance-active .metric,
html.entrance-active .caption,
html.entrance-active .learn-more {
  will-change: opacity, translate, scale, clip-path, filter;
}

.card--speed { --entrance-delay: .46s; }
.card--context { --entrance-delay: .58s; }
.card--connections { --entrance-delay: .70s; }

html.entrance-active .headline__line { animation: headline-reveal .84s cubic-bezier(.16, 1, .3, 1) both; }
html.entrance-active .headline__line--1 { animation-delay: .08s; }
html.entrance-active .headline__line--2 { animation-delay: .17s; }

html.entrance-active .intro { animation: support-reveal .72s cubic-bezier(.22, 1, .36, 1) .25s both; }

html.entrance-active .card { animation: card-establish .76s cubic-bezier(.16, 1, .3, 1) var(--entrance-delay) both; }

html.entrance-active .card__title { animation: card-title-reveal .62s cubic-bezier(.22, 1, .36, 1) calc(var(--entrance-delay) + .14s) both; }

html.entrance-active .gauge { animation: gauge-resolve .82s cubic-bezier(.16, 1, .3, 1) calc(var(--entrance-delay) + .30s) both; }
html.entrance-active .context-window { animation: panel-resolve .82s cubic-bezier(.16, 1, .3, 1) calc(var(--entrance-delay) + .30s) both; }
html.entrance-active .connections-map { animation: network-resolve .82s cubic-bezier(.16, 1, .3, 1) calc(var(--entrance-delay) + .30s) both; }

html.entrance-active .metric { animation: metric-resolve .66s cubic-bezier(.16, 1, .3, 1) calc(var(--entrance-delay) + .48s) both; }

html.entrance-active .caption { animation: support-reveal .54s cubic-bezier(.22, 1, .36, 1) calc(var(--entrance-delay) + .64s) both; }

html.entrance-active .learn-more { animation: control-settle .52s cubic-bezier(.16, 1, .3, 1) calc(var(--entrance-delay) + .80s) both; }

@keyframes headline-reveal {
  from { opacity: 0; translate: 0 .52em; clip-path: inset(0 0 56% 0); }
  to   { opacity: 1; translate: 0 0; clip-path: inset(-8% -2% -8% -2%); }
}
@keyframes support-reveal {
  from { opacity: 0; translate: 0 8px; }
  to   { opacity: 1; translate: 0 0; }
}
@keyframes card-establish {
  from { opacity: .52; translate: 0 10px; scale: .985; }
  to   { opacity: 1; translate: 0 0; scale: 1; }
}
@keyframes card-title-reveal {
  from { opacity: 0; translate: 0 calc(8 * var(--u)); clip-path: inset(0 0 48% 0); }
  to   { opacity: 1; translate: 0 0; clip-path: inset(-8% -2% -8% -2%); }
}
@keyframes gauge-resolve {
  from { opacity: 0; translate: 0 calc(9 * var(--u)); scale: .972; clip-path: inset(0 7% 18% 7%); }
  to   { opacity: 1; translate: 0 0; scale: 1; clip-path: inset(-3%); }
}
@keyframes panel-resolve {
  from { opacity: 0; translate: 0 calc(10 * var(--u)); scale: .972; clip-path: inset(8% 4% 8% 4%); }
  to   { opacity: 1; translate: 0 0; scale: 1; clip-path: inset(-3%); }
}
@keyframes network-resolve {
  from { opacity: 0; translate: 0 calc(6 * var(--u)); clip-path: inset(45% 0 45% 0); }
  to   { opacity: .78; translate: 0 0; clip-path: inset(0); }
}
@keyframes metric-resolve {
  from { opacity: 0; translate: 0 calc(7 * var(--u)); scale: .985; filter: blur(2.5px); }
  to   { opacity: 1; translate: 0 0; scale: 1; filter: blur(0); }
}
@keyframes control-settle {
  from { opacity: 0; translate: 0 calc(6 * var(--u)); scale: .975; }
  to   { opacity: 1; translate: 0 0; scale: 1; }
}

/* ---------- Responsive: stage ---------- */

/* Portrait tablet: 2 + 1 grid, cards still rigid units */
@media (min-width: 768px) and (max-width: 1180px) and (max-aspect-ratio: 6/7) {
  .cards {
    display: grid;
    grid-template-columns: repeat(2, max-content);
    justify-content: center;
    align-content: center;
    --card-w: min(
      (100cqw - var(--gap)) / 2,
      (100cqh - var(--gap)) / 2 * 429 / 554,
      429px
    );
  }
  .card:last-child { grid-column: 1 / -1; justify-self: center; }
}

/* Mobile: stack and scroll */
@media (max-width: 767px) {
  .stage {
    height: auto;
    min-height: 100svh;
    overflow: visible;
  }
  .masthead { grid-template-columns: minmax(0, 1fr); }
  .cards {
    container-type: inline-size;
    flex: 0 0 auto;
    flex-direction: column;
    align-items: center;
    --card-w: min(100cqw, 429px);
  }
  .card { --entrance-delay: .40s; }
}

/* ============================================================
   SECTIONS AFTER THE STAGE
   ============================================================ */

.section {
  padding: 88px 0;
  border-top: 1px solid rgba(34, 34, 34, .08);
}

.section-alt {
  background:
    radial-gradient(ellipse 90% 60% at 85% -10%, rgba(255, 255, 255, .55), transparent 60%),
    #e7e7e6;
}

/* Type */
h1, h2, h3 { text-wrap: balance; }

h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  font-weight: 600;
  margin: 0 0 14px;
  color: var(--ink);
}

h3 {
  font-size: 1.02rem;
  letter-spacing: -.01em;
  font-weight: 600;
}

p { margin: 0 0 16px; }

a { color: var(--accent); }
a:hover { color: var(--accent-deep); }

code {
  font-size: .88em;
  background: rgba(34, 34, 34, .055);
  border: 1px solid rgba(34, 34, 34, .1);
  border-radius: 5px;
  padding: 1px 4px;
  color: var(--ink);
  overflow-wrap: break-word;
}

.eyebrow {
  color: var(--accent);
  font-size: .76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .15em;
  margin-bottom: 14px;
}

.section-lede {
  color: var(--copy);
  max-width: 62ch;
  font-size: 1.03rem;
}

/* LED-dot stat accents */
.stat {
  display: flex;
  align-items: flex-end;
  gap: .45em;
  margin: 4px 0 18px;
  color: var(--accent);
}
.stat .dot-number { height: 2.6em; }
.stat .dot-svg { height: 100%; width: auto; }
.stat-unit {
  color: var(--ink);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  padding-bottom: .18em;
}

/* Hairline glass cards */
.glass-card {
  position: relative;
  overflow: hidden;
  border-radius: 17px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .62), rgba(255, 255, 255, .38));
  border: 1px solid rgba(255, 255, 255, .65);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .55) inset,
    0 14px 34px -22px rgba(34, 34, 34, .28);
}
.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(102deg, rgba(255, 255, 255, .35), transparent 30%, rgba(255, 255, 255, .18) 65%, transparent 90%),
    radial-gradient(ellipse 80% 30% at 55% 0%, rgba(255, 255, 255, .5), transparent 70%);
}
.glass-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: var(--grain-url);
  background-size: 240px 240px;
  opacity: .08;
  mix-blend-mode: soft-light;
}
.glass-card > * { position: relative; z-index: 1; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: #000; color: #fff; }
.btn-ghost {
  border-color: rgba(34, 34, 34, .28);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }

/* Screenshot frames */
.shot { margin: 0; min-width: 0; }

.shot-frame {
  aspect-ratio: 4 / 3;
  width: 100%;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shot-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  color: var(--faint);
  font-size: .85rem;
  z-index: 0;
}

.shot-frame img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}
.shot-frame img[data-fallback].img-broken { display: none; }

figcaption {
  color: var(--faint);
  font-size: .85rem;
  margin-top: 10px;
}

.demo-shots {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 36px;
}

/* Fact strip - LED numerals in one glass band */
.fact-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 34px 0 0;
  padding: 6px 0;
}
.fact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin: 0;
  padding: 20px 26px 22px;
  border-left: 1px solid rgba(34, 34, 34, .08);
}
.fact:first-child { border-left: none; }
.fact .dot-number { height: 2.1em; color: var(--accent); }
.fact .dot-svg { height: 100%; width: auto; }
.fact-unit {
  margin-top: 10px;
  color: var(--ink);
  font-weight: 500;
  font-size: .95rem;
  letter-spacing: -.01em;
  line-height: 1.4;
}

/* Agents */
.agents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 36px;
}
.agent-card { padding: 24px 26px 22px; }
.agent-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
}
.agent-role {
  color: var(--accent);
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .13em;
  margin: 0 0 10px;
}
.agent-card p:last-child { color: var(--copy); font-size: .96rem; margin: 0; }
.led {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(173, 49, 77, .12);
}
.agents-shot { margin: 40px 0 0; }

/* Glass panels - section bodies wrapped like the hero's glass */
.glass-panel {
  margin-top: 28px;
  padding: 28px 30px 14px;
}

/* Callout */
.callout {
  margin-top: 44px;
  padding: 26px 26px 6px;
}
.callout h3 { margin-bottom: 8px; }
.callout p { color: var(--copy); font-size: .96rem; }
.callout-note { color: var(--faint); font-size: .88rem; }

/* Diagram */
.diagram {
  margin: 44px 0 0;
  padding: 28px;
}
.diagram-svg { display: block; width: 100%; height: auto; }
.diagram-mobile { display: none; }

@media (max-width: 759px) {
  .diagram-desktop { display: none; }
  .diagram-mobile { display: block; }
}

.dg-container { fill: rgba(255, 255, 255, .5); stroke: rgba(34, 34, 34, .18); }
.dg-container-label { fill: var(--accent); font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.dg-box { fill: rgba(255, 255, 255, .72); stroke: rgba(34, 34, 34, .18); }
.dg-db { stroke: var(--accent); }
.dg-mcp { stroke-dasharray: 4 4; }
.dg-title { fill: var(--ink); font-size: 15px; font-weight: 600; }
.dg-sub { fill: var(--copy); font-size: 12px; }
.dg-mono { fill: var(--accent); font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.dg-line { stroke: rgba(34, 34, 34, .45); fill: none; stroke-width: 1.5; }
.dg-cue { stroke: var(--accent); fill: none; stroke-width: 1.5; opacity: .9; }
.dg-dash { stroke: rgba(34, 34, 34, .3); fill: none; stroke-width: 1.5; stroke-dasharray: 4 4; }

/* Code blocks - dark on paper */
.code {
  position: relative;
  background: var(--dark);
  border: 1px solid rgba(11, 14, 18, .5);
  border-radius: 12px;
  margin: 0 0 24px;
  max-width: 100%;
  box-shadow: 0 14px 30px -22px rgba(11, 14, 18, .8);
}
.code pre {
  margin: 0;
  padding: 18px 88px 18px 20px;
  overflow-x: auto;
  max-width: 100%;
}
.code code {
  background: none;
  border: none;
  padding: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: #ececeb;
  white-space: pre;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(255, 255, 255, .08);
  color: #ececeb;
  border: 1px solid rgba(236, 236, 235, .28);
  border-radius: 7px;
  font-size: .75rem;
  padding: 5px 11px;
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease, background-color .15s ease;
}
.copy-btn:hover { background: rgba(255, 255, 255, .16); border-color: rgba(236, 236, 235, .5); }
.copy-btn.copied { color: #ff9ab7; border-color: #ff9ab7; }

/* MCP */
.mcp-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 40px;
  margin-top: 40px;
  align-items: start;
}
.mcp-tools, .mcp-config { padding: 24px 24px 18px; }
.mcp-tools h3, .mcp-config h3 {
  color: var(--accent);
  text-transform: uppercase;
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .13em;
}

.tool-list { margin: 0; }
.tool-list dt { margin-top: 16px; }
.tool-list dt:first-child { margin-top: 0; }
.tool-list dt code {
  color: var(--accent);
  background: none;
  border: none;
  padding: 0;
  font-size: .9rem;
  font-weight: 600;
}
.tool-list dd {
  margin: 4px 0 0;
  color: var(--copy);
  font-size: .92rem;
}
.mcp-note { color: var(--faint); font-size: .88rem; }

/* Limits */
.limits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 8px;
}
.limit-col { padding: 24px 26px; }
.limit-col h3 {
  color: var(--accent);
  text-transform: uppercase;
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .13em;
  margin-bottom: 12px;
}
.limit-col ul { margin: 0; padding: 0; list-style: none; }
.limit-col li {
  color: var(--copy);
  font-size: .96rem;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid rgba(34, 34, 34, .08);
  position: relative;
}
.limit-col li:last-child { border-bottom: none; }
.limit-col li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 20px;
  width: 7px;
  height: 7px;
  border: 1.5px solid var(--accent);
  transform: rotate(45deg);
}

.risk {
  margin-top: 40px;
  padding: 24px 26px;
  border-left: 3px solid var(--ink);
}
.risk h3 { margin-bottom: 8px; }
.risk p { color: var(--copy); font-size: .96rem; margin: 0; }

/* Download */
.section-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 24px 0 12px;
}
.fineprint {
  color: var(--faint);
  font-size: 13px;
  max-width: 720px;
  line-height: 1.6;
}

/* ---------- Footer ---------- */

.site-footer {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 45% at 50% 0%, rgba(201, 214, 228, .09), transparent 70%),
    var(--dark);
  color: #ececeb;
  padding: 60px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, .1);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: var(--grain-url);
  background-size: 240px 240px;
  opacity: .07;
  mix-blend-mode: overlay;
}
.site-footer > * { position: relative; }

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
}

.footer-brand-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #ececeb;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -.01em;
}
.footer-mark { width: 30px; height: 30px; display: block; }

.footer-brand p {
  color: rgba(236, 236, 235, .72);
  font-size: .9rem;
  max-width: 36ch;
  margin-top: 0;
}

.footer-col h3 {
  color: rgba(236, 236, 235, .5);
  text-transform: uppercase;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 9px; }
.footer-col a {
  color: rgba(236, 236, 235, .82);
  text-decoration: none;
  font-size: .92rem;
  transition: color .15s ease;
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid rgba(236, 236, 235, .16);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  justify-content: space-between;
  align-items: baseline;
}
.footer-bottom p { margin: 0; font-size: .82rem; color: rgba(236, 236, 235, .62); }
.footer-bottom a { color: rgba(236, 236, 235, .85); }
.footer-bottom a:hover { color: #fff; }
.risk-small { max-width: 72ch; }

/* ---------- Responsive: sections + nav ---------- */

@media (max-width: 1023px) {
  .mcp-grid { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 72px 0; }
}

@media (max-width: 767px) {
  .section { padding: 56px 0; }
  .limits-grid { grid-template-columns: 1fr; gap: 16px; }
  .diagram { padding: 16px; margin-top: 32px; }
  .code pre { padding-right: 20px; padding-top: 46px; }
  .copy-btn { top: 9px; right: 9px; }
  .fact-strip { grid-template-columns: 1fr 1fr; padding: 0; }
  .fact { padding: 18px 20px 20px; }
  .fact:nth-child(odd) { border-left: none; }
  .fact:nth-child(n+3) { border-top: 1px solid rgba(34, 34, 34, .08); }
  .agents-grid { grid-template-columns: 1fr; gap: 16px; }
  .glass-panel { padding: 22px 20px 8px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
  .pill-nav {
    top: 10px;
    left: 10px;
    right: 10px;
    transform: none;
    justify-content: space-between;
    padding: 7px 8px 7px 12px;
    gap: 8px;
  }
  .pill-brand span { display: none; }
  .pill-links { overflow-x: auto; scrollbar-width: none; }
  .pill-links::-webkit-scrollbar { display: none; }
  .pill-links a { padding: 5px 8px; font-size: .82rem; }
  .pill-github { padding: 5px 11px; font-size: .82rem; }
  section[id] { scroll-margin-top: 64px; }
}

@media (max-width: 419px) {
  .wrap { padding: 0 16px; }
  .pill-nav { gap: 6px; padding-left: 10px; }
  .pill-links a { padding: 5px 7px; font-size: .8rem; }
  .pill-github { padding: 5px 10px; font-size: .8rem; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html.entrance-active .headline__line,
  html.entrance-active .intro,
  html.entrance-active .card,
  html.entrance-active .card__title,
  html.entrance-active .gauge,
  html.entrance-active .context-window,
  html.entrance-active .connections-map,
  html.entrance-active .metric,
  html.entrance-active .caption,
  html.entrance-active .learn-more {
    animation: none;
  }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}