:root {
  color-scheme: light;
  --paper: #f1f0ec;
  --paper-bright: #faf9f6;
  --ink: #181818;
  --ink-soft: #5a5955;
  --inverse: #161514;
  --inverse-soft: #b8b8b3;
  --line: #cbc9c2;
  --line-dark: #3b3b39;
  --signal: #a7d8b3;
  --signal-ink: #477051;
  --red-sm: var(--ink-soft);
  --content: 76rem;
  --reading: 38rem;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --section: clamp(5rem, 11vw, 9rem);
  --space-1: .5rem;
  --space-2: .875rem;
  --space-3: 1.25rem;
  --space-4: 2rem;
  --space-5: clamp(2.5rem, 5vw, 4.5rem);
  --radius: .2rem;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
}

img { display: block; max-width: 100%; height: auto; }

figure { margin: 0; }

button, a { font: inherit; }

a { color: inherit; }

:focus-visible { outline: .16rem solid currentColor; outline-offset: .25rem; }

.site-header {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr) max-content;
  align-items: center;
  gap: var(--space-4);
  padding: .8rem var(--gutter);
  background: var(--inverse);
  color: #f7f7f3;
}

.wordmark span { white-space: nowrap; }

.site-header nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2.4vw, 2rem);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: var(--space-2);
}

.language-control {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: none;
  color: var(--inverse-soft);
  border-radius: 999px;
  transition: color 180ms ease, background 180ms ease;
}

.language-control svg { width: 1.35rem; height: 1.35rem; flex: none; }

.language-picker {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  opacity: 0;
  cursor: pointer;
}

.language-control:focus-within:not([data-pointer]) { outline: .16rem solid currentColor; outline-offset: .15rem; }

.header-actions .header-discord svg { width: 1.2em; height: 1.2em; flex: none; fill: currentColor; }

.section-inner {
  width: min(100%, calc(var(--content) + (2 * var(--gutter))));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  margin: 0 0 var(--space-3);
  color: inherit;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

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

h1 {
  max-width: 12ch;
  margin-bottom: var(--space-4);
  font-size: clamp(3.2rem, 5.6vw, 5.8rem);
  font-weight: 400;
  letter-spacing: -.065em;
  line-height: .92;
}

h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  font-weight: 400;
  letter-spacing: -.055em;
  line-height: .98;
}

.lede {
  max-width: 34rem;
  margin-bottom: var(--space-4);
  color: inherit;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  line-height: 1.45;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: .75rem 1.15rem;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, color 180ms ease;
}

.button-primary { background: #f7f7f3; color: var(--inverse); }

@media (prefers-reduced-motion: reduce), (forced-colors: active) {
  .hero-aurora { display: none; }
}

.proof-visual .proof-take[data-take="dry"] { opacity: 1; z-index: 1; }

.proof-visual .proof-take[data-take="wet"] {
  opacity: 0;
  z-index: 2;
  transition: opacity 220ms ease;
}

.proof-visual[data-active-track="wet"] .proof-take[data-take="wet"] { opacity: 1; }

.proof-visual.is-playing .proof-still { opacity: 0; }

.comparison-player[data-active-track="wet"] .audio-switch::before { transform: translateX(100%); }

html.js-walk .walk-stage {
  position: sticky;
  top: 3vh;
  height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

html.js-walk .walk-focus {
  display: block;
  position: absolute;
  inset: 0;
  clip-path: inset(6% 5% 86% 5%);
  transition: clip-path 260ms cubic-bezier(.32, .9, .3, 1);
}

html.js-walk .walk-count {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  width: fit-content;
  margin-bottom: .6rem;
  padding: .32rem .65rem;
  color: var(--inverse-soft);
  font-size: .72rem;
  letter-spacing: .1em;
  line-height: 1;
  background: rgba(17, 17, 17, .72);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 999px;
  text-shadow: 0 1px .5rem #000;
}

html.js-walk .walk-count b { color: #f7f7f3; font-weight: 700; }

html.js-walk .walk-steps { display: grid; }

html.js-walk .walk-step {
  grid-area: 1 / 1;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(.6rem);
  transition: opacity 220ms ease, transform 260ms cubic-bezier(.22, .8, .28, 1);
}

html.js-walk .walk-step.on {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

html.js-walk .walk-marks { display: block; }

.offer .eyebrow { color: var(--inverse-soft); }

.offer .lede { max-width: 32rem; margin-inline: auto; color: var(--inverse-soft); }

.offer-buy {
  min-width: 15rem;
  min-height: 60px;
  padding-inline: 2rem;
  border-radius: 999px;
  font-size: 1rem;
}

.term-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-4);
  width: min(100%, 38rem);
  margin: clamp(2rem, 4vw, 2.75rem) auto 0;
  padding: clamp(1.5rem, 3vw, 2rem) 0 0;
  border-top: 1px solid rgba(247, 247, 243, .14);
  list-style: none;
  text-align: left;
}

.term-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .65rem;
  align-items: start;
  color: var(--inverse-soft);
  line-height: 1.45;
}

.offer-license-note {
  width: min(100%, 38rem);
  margin: var(--space-3) auto 0;
  color: var(--inverse-soft);
  font-size: .88rem;
  line-height: 1.45;
  text-align: center;
  text-wrap: balance;
}

.license-details summary {
  width: max-content;
  max-width: 100%;
  margin-inline: auto;
  padding-block: .5rem;
  color: var(--inverse-soft);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: rgba(247, 247, 243, .35);
  text-underline-offset: .18em;
}

.license-details summary:focus { outline: none; }

.license-details summary:focus-visible {
  color: #f7f7f3;
  text-decoration-color: currentColor;
  text-decoration-thickness: 2px;
}

.license-details[open] summary { color: #f7f7f3; }

.license-details p { margin: var(--space-2) auto 0; line-height: 1.5; }

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--gutter);
  background: var(--inverse);
  color: #8e8e89;
  font-size: .78rem;
}

footer nav { display: flex; flex-wrap: wrap; gap: var(--space-3); }

@keyframes hero-enter {
  from { opacity: 0; transform: translateY(1.2rem); }
  to { opacity: 1; transform: none; }
}

.motion-reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 700ms cubic-bezier(.22, .8, .28, 1),
              transform 700ms cubic-bezier(.22, .8, .28, 1);
}

html.js-reveal .motion-reveal { will-change: opacity, transform; }

.motion-reveal.motion-visible { opacity: 1; transform: none; }

@media (forced-colors: active) {
  * { box-shadow: none !important; }
  .hero,
  .proof,
  .latency,
  .walkthrough,
  .ear,
  .fit,
  .offer,
  footer {
    background: Canvas;
    color: CanvasText;
  }
  .button,
  .chip,
  .walk-frame { border-color: CanvasText; }
  .walk-base { filter: none !important; }
  .lane { border-color: CanvasText; }
  .wire::before, .wire::after, .tip-dot { background: CanvasText !important; }
  .wire-label { background: Canvas; color: CanvasText; }
  .mode-bar i { background: CanvasText; }
}

@media print {
  html { scroll-behavior: auto; }
  body { background: #fff; color: #000; }
  .site-header { position: static; background: #fff; color: #000; }
  .site-header nav,
  .header-actions,
  .walk-focus,
  .walk-box,
  .walk-count,
  .walk-marks { display: none !important; }
  .hero,
  .proof,
  .latency,
  .walkthrough,
  .ear,
  .fit,
  .offer,
  footer { background: #fff; color: #000; }
  .walk-stage { position: static; height: auto; }
  .motion-reveal { opacity: 1; transform: none; }
}

/* =========================================================
   STATE 6 PROTOTYPE — LOW-NOISE FLOW
   Rules under test:
   1) Product gets the cleanest, quietest field.
   2) Human photography appears as an immersive lived moment,
      not as wallpaper behind the product.
   3) Technical sections return to strict graphic restraint.
   4) One locus of attention per viewport.
   ========================================================= */

:root {
  --flow-black: #121110;
  --flow-charcoal: #181716;
  --flow-paper: #f3f2ee;
  --flow-paper-bright: #faf9f6;
}

body { background: var(--flow-paper); }

html.js-walk .walk-base { filter: blur(.1rem) brightness(.42) saturate(.8); }