/* quench · prototype 04 · fullbuild.ai */

/* 1. custom props */
:root {
  --void: #050608;
  --panel: #0B0D12;
  --ink: #E8EAF0;
  --ink-2: #B4BCCC;
  --hairline: rgba(232, 234, 240, 0.08);
  --live: #5EE6D0;
  --pending: #FF5EA8;
  --radius: 14px;
  --gap: 8px;
  --font-stack: "QuenchDisplay", "Arial Black", Arial, sans-serif;
  --size-h1: clamp(3.2rem, 9vw, 7.5rem);
  --size-h2: clamp(2rem, 4.5vw, 3.4rem);
  --size-h3: 1.1rem;
  --size-label: 0.75rem;
  --size-body: 1rem;
  --section-pad: clamp(96px, 14vh, 160px);
}

@font-face {
  font-family: "QuenchDisplay";
  src: url("/prototype/quench/assets/fonts/Unbounded[wght].ttf") format("truetype-variations");
  font-weight: 200 900;
  font-display: swap;
}

/* 2. reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

img,
svg,
video {
  max-width: 100%;
  display: block;
}

/* 3. base */
html {
  scroll-behavior: smooth;
  background: var(--void);
}

body {
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-stack);
  font-weight: 300;
  font-size: var(--size-body);
  line-height: 1.65;
  overflow-x: clip;
  min-height: 100svh;
}

a {
  color: var(--ink);
  text-decoration: none;
}

a:hover {
  color: var(--live);
}

:focus-visible {
  outline: 2px solid var(--live);
  outline-offset: 3px;
}

/* 4. typography */
h1,
h2,
h3 {
  line-height: 1.1;
}

h2 {
  font-size: var(--size-h2);
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--size-h3);
  font-weight: 600;
}

.kicker,
.section-label {
  font-size: var(--size-label);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-2);
}

.lede,
.section-lede {
  max-width: 560px;
  color: var(--ink-2);
}

.section-lede {
  margin-top: 16px;
}

.section-label {
  margin-bottom: 16px;
}

/* 5. skip link */
.skip-link {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 20;
  padding: 10px 20px;
  background: var(--panel);
  color: var(--ink);
  border-radius: 999px;
  outline: 2px solid var(--live);
  outline-offset: 2px;
  transform: translateY(-300%);
}

.skip-link:focus-visible {
  transform: none;
}

/* 6. canvas */
#metal {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  display: none;
}

html.gl-live #metal {
  display: block;
}

html.no-webgl #metal {
  display: none;
}

html.reduced.past-hero #metal {
  opacity: 0;
  transition: none;
}

/* 7. header */
.site-head {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: linear-gradient(180deg, rgba(5, 6, 8, 0.95), rgba(5, 6, 8, 0.7) 55%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.wordmark {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.site-head nav {
  display: flex;
  gap: 24px;
}

.site-head nav a,
.proto-link {
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(232, 234, 240, 0.82);
}

.site-head nav a:hover,
.proto-link:hover {
  color: var(--live);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 8px 14px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 calc(var(--coalesce, 0) * 14px) var(--live);
}

/* 8. layout shell */
main {
  position: relative;
  z-index: 2;
}

main > section {
  max-width: 1200px;
  margin-inline: auto;
  padding: var(--section-pad) 32px;
}

/* hero */
#hero {
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding-top: 96px;
  max-width: none;
}

#hero .kicker {
  max-width: 1200px;
  width: 100%;
  margin-inline: auto;
}

#hero .molten-anchor {
  place-self: center;
  min-height: clamp(180px, 30vh, 320px);
  width: min(90vw, 980px);
  display: grid;
  place-items: center;
}

.tagline {
  font-size: var(--size-h1);
  font-weight: 800;
  line-height: 0.98;
  text-transform: uppercase;
  text-align: center;
  width: fit-content;
  margin-inline: auto;
  background: linear-gradient(180deg, #F6F8FB, #B9C0CF 45%, #4C515E 55%, #DFE4EE);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline-line {
  display: block;
}

/* The DOM headline holds until the engine reports the metal word is
   legible (--melt), so the headline always exists as letterforms */
html.gl-live .tagline {
  opacity: calc(1 - var(--melt, 0));
}

.hero-foot {
  max-width: 1200px;
  width: 100%;
  margin-inline: auto;
  display: grid;
  gap: 20px;
  justify-items: start;
  padding-bottom: 12px;
}

/* Any copy that sits on bare metal gets the same protective shadow */
#hero .lede,
.hero-hint,
.section-lede,
.case-body,
.caption,
.constants h3,
.constants p,
.constant-index,
.section-label,
.kicker,
.tagline-run,
.receipt dt,
.receipt dd {
  text-shadow: 0 1px 3px rgba(6, 7, 10, 0.85), 0 0 18px rgba(6, 7, 10, 0.6);
}

.hero-hint {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(232, 234, 240, 0.8);
}

.hero-cta {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--live);
  border: 1px solid rgba(94, 230, 208, 0.35);
  border-radius: 999px;
  padding: 12px 22px;
}

.hero-cta:hover {
  border-color: var(--live);
}

/* lifecycle stages */
.section-head {
  max-width: 720px;
}

.stage {
  min-height: 72svh;
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr) minmax(0, 460px);
  align-items: center;
  gap: 48px;
  padding-block: 48px;
}

.stage-meta {
  display: grid;
  gap: 6px;
  align-content: center;
}

.stage-index {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 200;
  line-height: 1;
  color: rgba(232, 234, 240, 0.14);
}

.stage-name {
  font-size: var(--size-h2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1;
  text-shadow: 0 1px 3px rgba(6, 7, 10, 0.85), 0 0 18px rgba(6, 7, 10, 0.6);
}

.stage-state {
  font-size: var(--size-label);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-2);
}

#stage-shipped .stage-state {
  color: var(--pending);
}

.stage-visual {
  position: relative;
  width: fit-content;
  margin-inline: auto;
}

.stage .molten-anchor {
  width: min(46vw, 560px);
  aspect-ratio: 1 / 1;
}

/* Desktop stage composition: caption sits low so it frames the metal instead
   of bisecting it, and alternate stages mirror so each screen has its own
   silhouette */
@media (min-width: 761px) {
  .stage {
    grid-template-columns: minmax(200px, 260px) minmax(0, 1fr) minmax(0, 420px);
  }

  .stage .scrim {
    align-self: end;
    margin-bottom: 4vh;
  }

  /* ENGINEERING is the long stage name: give it a lane of its own so it
     never runs across the ingot's lit rim */
  #stage-engineering {
    grid-template-columns: minmax(200px, 640px) minmax(0, 1fr) minmax(0, 420px);
  }

  #lifecycle .stage:nth-of-type(even) {
    grid-template-columns: minmax(200px, 260px) minmax(0, 420px) minmax(0, 1fr);
  }

  #lifecycle .stage:nth-of-type(even) .stage-visual {
    order: 3;
  }
}

.fallback-figure {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 8%;
  pointer-events: none;
}

html.gl-live:not(.reduced) .fallback-figure {
  display: none;
}

.stamp {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  transform: translate(-50%, -50%) rotate(-6deg);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--pending);
  border: 1px solid var(--pending);
  background: rgba(6, 7, 10, 0.6);
  padding: 10px 18px;
  box-shadow: 0 0 0 3px rgba(6, 7, 10, 0.6), 2px 2px 0 rgba(255, 94, 168, 0.3);
  text-shadow: 0 0 6px rgba(255, 94, 168, 0.45);
}

/* components */
.scrim {
  background: rgba(6, 7, 10, 0.78);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 28px 32px;
}

/* Stage captions read as machined plates keyed to the state system: a state
   colored spine, an inset top highlight, near-black fill */
.stage .scrim {
  background: rgba(6, 7, 10, 0.9);
  border-left: 2px solid var(--live);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: inset 0 1px 0 rgba(232, 234, 240, 0.07);
}

#stage-shipped .scrim {
  border-left-color: var(--pending);
}

.chip {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--pending);
  border: 1px solid var(--pending);
  border-radius: 999px;
  padding: 5px 14px;
}

/* case 00 */
.case-body {
  max-width: 560px;
  margin-top: 16px;
  color: var(--ink-2);
}

.case-visual {
  position: relative;
  width: fit-content;
  margin: 32px auto;
}

#case-00 .molten-anchor {
  width: min(56vw, 560px);
  aspect-ratio: 16 / 10;
}

/* the receipt reads as a receipt: single column, row per fact, dashed rules */
.receipt {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 40px;
  max-width: 560px;
  background: rgba(6, 7, 10, 0.7);
  padding: 8px 20px;
}

.receipt-cell {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--hairline);
}

.receipt-cell:last-child {
  border-bottom: none;
}

.receipt dt {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-2);
}

.receipt dd {
  font-size: 1rem;
  font-weight: 400;
  margin: 0;
  text-align: right;
}

.receipt .pending {
  color: var(--pending);
}

.caption {
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--ink-2);
}

/* future */
#future .molten-anchor {
  width: 100%;
  height: 150px;
  margin-top: 24px;
}

.slots {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.slot {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 12px;
  align-content: stretch;
  height: 100%;
}

.slot h3 {
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-2);
}

.slot-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.slot .chip {
  justify-self: start;
}

/* principles */
#principles {
  padding-bottom: calc(var(--section-pad) + 120px);
}

.constants {
  list-style: none;
  padding: 0;
  margin-top: 56px;
  display: grid;
  gap: 56px;
}

.constants li {
  max-width: 560px;
  border-left: 1px solid var(--hairline);
  padding-left: 24px;
}

.constants li:nth-child(2) {
  margin-left: clamp(48px, 12vw, 180px);
}

.constants li:nth-child(3) {
  margin-left: clamp(96px, 24vw, 360px);
}

.constant-index {
  display: block;
  font-size: var(--size-label);
  letter-spacing: 0.18em;
  color: var(--ink-2);
  margin-bottom: 6px;
}

.constants h3 {
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.constants p {
  color: var(--ink);
  font-weight: 300;
}

/* exit */
#exit {
  padding-bottom: var(--section-pad);
}

#exit .molten-anchor {
  width: 100vw;
  margin-inline: calc(50% - 50vw);
  height: 180px;
  margin-top: 32px;
}

.exit-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
  gap: 48px;
  align-items: start;
}

.gate {
  max-width: 560px;
  display: grid;
  gap: 16px;
  justify-items: start;
}

.gate p {
  color: var(--ink-2);
}

.tagline-run {
  margin-top: 48px;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-2);
}

.big-wordmark {
  margin-top: 16px;
  font-size: clamp(3.5rem, 12vw, 10rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: rgba(155, 163, 180, 0.18);
  -webkit-text-stroke: 1px rgba(232, 234, 240, 0.06);
  user-select: none;
}

/* footer */
.site-foot {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin-inline: auto;
  padding: 32px;
  border-top: 1px solid var(--hairline);
  color: var(--ink-2);
  font-size: 0.8rem;
  display: grid;
  gap: 8px;
}

/* 9. reveal machinery */
html.js-anim .rv {
  opacity: 0;
  translate: 0 14px;
  transition: opacity 0.6s ease, translate 0.6s ease;
}

html.js-anim .rv.is-in {
  opacity: 1;
  translate: 0 0;
}

/* 10. media */
@media (max-width: 760px) {
  .site-head {
    padding: 16px 20px;
  }

  .site-head nav {
    gap: 16px;
  }

  .site-head nav a:nth-child(2),
  .site-head nav a:nth-child(3) {
    display: none;
  }

  .status-pill {
    display: none;
  }

  .proto-link {
    display: none;
  }

  main > section {
    padding-inline: 20px;
  }

  #hero {
    padding-top: 76px;
  }

  #hero .molten-anchor {
    min-height: clamp(150px, 26vh, 260px);
  }

  .tagline {
    font-size: clamp(2.5rem, 13vw, 3.2rem);
  }

  .lede {
    font-size: 0.95rem;
  }

  .hero-foot {
    gap: 14px;
  }

  .stage {
    grid-template-columns: 1fr;
    gap: 24px;
    min-height: auto;
    padding-block: 64px;
  }

  #stage-idea {
    padding-top: 96px;
  }

  .stage .molten-anchor {
    width: 62vw;
    margin-top: 24px;
  }

  .stage .scrim {
    margin-top: 12px;
  }

  .exit-head {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .stage-meta {
    justify-items: start;
  }

  #case-00 .molten-anchor {
    width: 82vw;
  }

  .receipt {
    grid-template-columns: 1fr;
  }

  .receipt-cell {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .receipt dd {
    text-align: left;
  }

  .slots {
    grid-template-columns: 1fr;
  }

  .constants li:nth-child(2),
  .constants li:nth-child(3) {
    margin-left: 0;
  }

  .scrim {
    padding: 22px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition: none !important;
  }
}

@media (forced-colors: active) {
  #metal {
    display: none !important;
  }

  .fallback-figure {
    display: grid !important;
  }

  .tagline {
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    color: CanvasText;
  }

  .scrim,
  .chip,
  .stamp,
  .status-pill,
  .hero-cta,
  .site-foot {
    border-color: CanvasText;
  }
}

@media print {
  #metal,
  .site-head,
  .fallback-figure {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .tagline {
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    color: #000;
  }

  .scrim {
    background: none;
    border-color: #000;
  }

  .kicker,
  .section-label,
  .lede,
  .section-lede,
  .stage-copy,
  .caption,
  .constants p,
  .gate p,
  .site-foot {
    color: #000;
  }
}