/* EBAL2D public website — premium dark product design system (2026)
   No external font CDN (CSP font-src 'self'). Preferred production fonts
   documented in docs/design/public-website-asset-brief.md
   Deploy bump: host Nginx edge + publish ports 6100/6101.
   Manual website deploy trigger: 2026-07-27. */

:root {
  color-scheme: dark;

  /* Surfaces — cool graphite, not flat black */
  --color-bg: #0a0c10;
  --color-bg-elevated: #0f1218;
  --color-surface: #141820;
  --color-surface-2: #1a2030;
  --color-surface-3: #222a3a;
  --color-border: rgba(180, 200, 230, 0.12);
  --color-border-strong: rgba(200, 220, 255, 0.22);
  --color-fg: #f4f1ea;
  --color-fg-secondary: #c8c2b6;
  --color-fg-muted: #8b8578;
  --color-accent: #c6f04a;
  --color-accent-soft: rgba(198, 240, 74, 0.14);
  --color-accent-hover: #d6ff6a;
  --color-accent-contrast: #0a0c10;
  --color-amber: #e0b45a;
  --color-cyan: #5ec8e8;
  --color-error: #f07878;
  --color-focus: #d6ff6a;
  --color-grid: rgba(120, 150, 190, 0.07);
  --color-glow: rgba(198, 240, 74, 0.18);

  /* Typography — distinctive local stacks (no paid CDN) */
  --font-display: "Bahnschrift", "Segoe UI Variable Display", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-body: "Segoe UI Variable Text", "Segoe UI", "Helvetica Neue", Helvetica, sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", ui-monospace, Consolas, monospace;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 7rem;

  --radius-sm: 0.25rem;
  --radius: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;

  --shadow-soft: 0 1rem 2.5rem rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 0 1px var(--color-border), 0 0 2.5rem var(--color-glow);
  --elev-1: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.35);
  --elev-2: 0 0.75rem 2rem rgba(0, 0, 0, 0.5);

  --content-max: 74rem;
  --text-max: 36rem;
  --header-h: 4rem;
  /* Sticky header clearance for in-page anchors (single offset mechanism). */
  --header-anchor-offset: calc(var(--header-h) + 2.5rem);
  --section-space: clamp(3.25rem, 6vw, 5.75rem);
  --touch-min: 2.75rem;

  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-base: 1.0625rem;
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.5rem, 1.15rem + 1.2vw, 2rem);
  --text-2xl: clamp(1.85rem, 1.2rem + 2vw, 2.75rem);
  --text-hero: clamp(2.35rem, 1.4rem + 3.6vw, 4.25rem);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --duration-fast: 150ms;
  --duration: 200ms;
  --duration-reveal: 380ms;
  --duration-slow: 420ms;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  background: var(--color-bg);
  color: var(--color-fg);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* Anchor offset is applied via scroll-margin on targets — do not also set scroll-padding. */
}

@media (max-width: 899px) {
  :root {
    --header-anchor-offset: calc(var(--header-h) + 1.75rem);
    --section-space: clamp(2.75rem, 8vw, 4rem);
  }
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  background:
    radial-gradient(120% 80% at 10% -10%, rgba(94, 200, 232, 0.07), transparent 50%),
    radial-gradient(90% 60% at 100% 0%, rgba(198, 240, 74, 0.06), transparent 45%),
    var(--color-bg);
  color: var(--color-fg);
  padding: var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);
  overflow-x: clip;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--color-fg);
  font-weight: 650;
  font-variation-settings: "wght" 650;
}

h1 { font-size: var(--text-hero); margin: 0 0 var(--space-5); }
h2 { font-size: var(--text-2xl); margin: 0 0 var(--space-4); }
h3 { font-size: var(--text-xl); margin: 0 0 var(--space-3); letter-spacing: -0.02em; }

p { margin: 0 0 var(--space-4); max-width: var(--text-max); }
p:last-child { margin-bottom: 0; }

a { color: var(--color-accent); text-underline-offset: 0.18em; }
a:hover { color: var(--color-accent-hover); }

:focus { outline: none; }
:focus-visible {
  outline: 0.15rem solid var(--color-focus);
  outline-offset: 0.2rem;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: calc(var(--safe-top) + var(--space-2));
  transform: translateY(-240%);
  z-index: 300;
  padding: var(--space-3) var(--space-4);
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  background: var(--color-surface-2);
  color: var(--color-fg);
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
}
.skip-link:focus-visible { transform: translateY(0); }

/* ——— Atmosphere ——— */
.site-atmosphere {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 20%, transparent 75%);
  opacity: 0.9;
}

.site-main {
  position: relative;
  z-index: 1;
  flex: 1;
}

/* ——— Header ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  /* Avoid backdrop-filter here: it creates a containing block that
     clips fixed/absolute mobile overlays to the header height. */
  background: rgba(10, 12, 16, 0.94);
  transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(10, 12, 16, 0.98);
}

.site-header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  min-height: var(--header-h);
  padding: 0 clamp(1rem, 3vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  position: relative;
}

body:has(.nav-toggle:checked) {
  overflow: hidden;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-fg);
  position: relative;
}
.site-header__mark {
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
}
.site-header__wordmark {
  position: relative;
}
.site-header__wordmark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.2rem;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  transform: scaleX(0.35);
  transform-origin: left;
  transition: transform var(--duration) var(--ease-out);
}
.site-header__brand:hover .site-header__wordmark::after { transform: scaleX(1); }

.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.nav-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--touch-min);
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-fg-secondary);
  cursor: pointer;
}
.nav-toggle-btn__bars {
  width: 1.1rem;
  height: 0.75rem;
  display: block;
  background:
    linear-gradient(var(--color-fg), var(--color-fg)) 0 0 / 100% 2px no-repeat,
    linear-gradient(var(--color-fg), var(--color-fg)) 0 50% / 100% 2px no-repeat,
    linear-gradient(var(--color-fg), var(--color-fg)) 0 100% / 70% 2px no-repeat;
}
.nav-toggle-btn__text { font-size: var(--text-sm); }

.site-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
  position: absolute;
  top: 100%;
  left: 50%;
  width: 100vw;
  margin-left: -50vw;
  z-index: 100;
  min-height: calc(100dvh - var(--header-h) - var(--safe-top));
  padding: var(--space-5) clamp(1rem, 3vw, 2rem) var(--space-7);
  background: #0a0c10;
  border-bottom: 1px solid var(--color-border);
  overflow-y: auto;
}
.nav-toggle:checked ~ .site-nav { display: flex; }
.nav-toggle:focus-visible + .nav-toggle-btn { outline: 0.15rem solid var(--color-focus); outline-offset: 0.2rem; }

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.site-nav__link {
  display: flex;
  align-items: center;
  min-height: var(--touch-min);
  padding: 0 var(--space-2);
  color: var(--color-fg-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
}
.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--color-fg);
  background: var(--color-accent-soft);
}

.site-nav__cta { align-self: stretch; text-align: center; }

@media (min-width: 900px) {
  .nav-toggle-btn { display: none; }
  .site-nav {
    display: flex;
    flex-direction: row;
    align-items: center;
    position: static;
    top: auto;
    left: auto;
    width: auto;
    margin-left: 0;
    min-height: 0;
    padding: 0;
    background: transparent;
    border: 0;
    gap: var(--space-5);
    overflow: visible;
    z-index: auto;
  }
  .site-nav__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-1);
  }
  .site-nav__cta { align-self: auto; }
}

/* ——— Buttons ——— */
.btn {
  --btn-bg: var(--color-surface-2);
  --btn-fg: var(--color-fg);
  --btn-border: var(--color-border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--touch-min);
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform var(--duration-fast) var(--ease-out),
    background var(--duration-fast) var(--ease),
    border-color var(--duration-fast) var(--ease),
    box-shadow var(--duration-fast) var(--ease),
    color var(--duration-fast) var(--ease);
}
.btn:hover {
  transform: translateY(-1px);
  color: var(--btn-fg);
}
.btn:active { transform: translateY(0); }
.btn--primary {
  --btn-bg: linear-gradient(180deg, #d4ff62 0%, var(--color-accent) 100%);
  --btn-fg: var(--color-accent-contrast);
  --btn-border: transparent;
  background: linear-gradient(180deg, #d4ff62 0%, var(--color-accent) 100%);
  box-shadow: var(--elev-1);
}
.btn--primary:hover {
  background: linear-gradient(180deg, #e2ff8a 0%, var(--color-accent-hover) 100%);
  box-shadow: var(--elev-2);
  color: var(--color-accent-contrast);
}
.btn--secondary {
  --btn-bg: transparent;
  --btn-fg: var(--color-fg);
  backdrop-filter: blur(8px);
}
.btn--secondary:hover {
  background: var(--color-accent-soft);
  border-color: rgba(198, 240, 74, 0.35);
}
.btn.is-submitting { opacity: 0.7; pointer-events: none; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-6) 0 var(--space-4);
}

/* ——— Sections ——— */
.section {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--section-space) clamp(1rem, 3vw, 2rem);
}
.section--alt {
  position: relative;
}
.section--alt::before {
  content: "";
  position: absolute;
  inset: 0 calc(50% - 50vw);
  background:
    linear-gradient(180deg, rgba(15, 18, 24, 0.55), transparent 28%),
    radial-gradient(80% 50% at 100% 0%, rgba(94, 200, 232, 0.05), transparent 55%),
    rgba(12, 15, 20, 0.65);
  border-block: 1px solid rgba(180, 200, 230, 0.06);
  pointer-events: none;
  z-index: -1;
}
.section--story {
  background:
    radial-gradient(70% 40% at 50% 0%, rgba(198, 240, 74, 0.04), transparent 60%);
}
.section__intro {
  max-width: 40rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  scroll-margin-top: calc(var(--header-anchor-offset) + var(--safe-top));
}
.section__lede {
  color: var(--color-fg-secondary);
  font-size: var(--text-lg);
  max-width: 34rem;
  line-height: 1.55;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cyan);
}
.eyebrow::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0.75rem var(--color-glow);
}

.reveal {
  opacity: 0;
  transform: translateY(0.85rem);
  transition:
    opacity var(--duration-reveal) var(--ease-out),
    transform var(--duration-reveal) var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
/* Instant visibility for hash targets before / without JS. */
.reveal:has(:target),
.reveal:target {
  opacity: 1;
  transform: none;
  transition: none;
}

/* ——— Hero ——— */
.hero {
  position: relative;
  display: grid;
  gap: var(--space-7);
  padding-top: clamp(3rem, 8vw, 5.5rem);
  padding-bottom: clamp(3.5rem, 9vw, 6.5rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(198, 240, 74, 0.12), transparent 55%),
    radial-gradient(ellipse at 75% 20%, rgba(94, 200, 232, 0.1), transparent 50%);
  pointer-events: none;
  z-index: 0;
}
.hero__copy,
.hero__visual { position: relative; z-index: 1; }
.hero__copy { max-width: 38rem; }
.hero .lede {
  font-size: var(--text-lg);
  color: var(--color-fg-secondary);
  max-width: 32rem;
  line-height: 1.55;
}
.hero__support {
  color: var(--color-fg-muted);
  font-size: var(--text-base);
  max-width: 32rem;
  line-height: 1.55;
  margin: 0 0 var(--space-2);
}
.hero__note {
  color: var(--color-fg-muted);
  font-size: var(--text-sm);
  max-width: 30rem;
}
.hero__brand-mark {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 0.95;
  margin: 0 0 var(--space-4);
  background: linear-gradient(120deg, #fff 20%, var(--color-accent) 55%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@media (min-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
  }
}

/* Product window / asset placeholders */
.product-frame {
  position: relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-strong);
  background:
    linear-gradient(165deg, rgba(34, 42, 58, 0.9), rgba(15, 18, 24, 0.95));
  box-shadow: var(--elev-2), var(--shadow-glow);
  overflow: hidden;
}
.product-frame__chrome {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.28);
}
.product-frame__dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-border-strong);
}
.product-frame__dot:nth-child(1) { background: #ff6b6b; }
.product-frame__dot:nth-child(2) { background: #e0b45a; }
.product-frame__dot:nth-child(3) { background: #6bd68a; }
.product-frame__title {
  margin-left: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
  letter-spacing: 0.04em;
}
.product-frame__stage {
  position: relative;
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(198, 240, 74, 0.08), transparent 60%),
    linear-gradient(180deg, #12161f, #0b0d12);
}
.product-frame__stage--flow {
  aspect-ratio: 21 / 9;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 3vw, 1.75rem);
}

.concept-caption {
  position: absolute;
  left: 0.85rem;
  bottom: 0.7rem;
  margin: 0;
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: rgba(10, 12, 16, 0.72);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--color-fg-muted);
  z-index: 2;
}

.concept-diagram {
  position: absolute;
  inset: 0.85rem 0.85rem 2.1rem;
  display: grid;
  grid-template-columns: 3.25rem 1fr 3.25rem;
  gap: 0.55rem;
}
.concept-diagram__rail {
  display: grid;
  gap: 0.4rem;
  align-content: start;
  padding: 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: rgba(20, 24, 32, 0.85);
}
.concept-diagram__rail span {
  display: block;
  height: 0.55rem;
  border-radius: 999px;
  background: rgba(180, 200, 230, 0.16);
}
.concept-diagram__rail span:nth-child(1) { width: 88%; background: rgba(198, 240, 74, 0.35); }
.concept-diagram__rail span:nth-child(2) { width: 70%; }
.concept-diagram__rail span:nth-child(3) { width: 78%; }
.concept-diagram__rail span:nth-child(4) { width: 55%; }
.concept-diagram__canvas {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--color-border-strong);
  overflow: hidden;
  background: #0d1016;
}
.concept-diagram__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 1.15rem 1.15rem;
}
.concept-diagram__layer {
  position: absolute;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(200, 220, 255, 0.2);
  background: rgba(26, 32, 48, 0.88);
}
.concept-diagram__layer--a { left: 12%; top: 18%; width: 38%; height: 28%; }
.concept-diagram__layer--b { left: 42%; top: 36%; width: 34%; height: 24%; border-color: rgba(94, 200, 232, 0.45); }
.concept-diagram__layer--c { left: 22%; top: 58%; width: 46%; height: 18%; border-color: rgba(198, 240, 74, 0.4); }

.flow-diagram {
  width: min(100%, 56rem);
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: clamp(0.5rem, 2vw, 1rem);
  align-items: stretch;
}
.flow-diagram__node {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(20, 24, 32, 0.9);
  padding: 0.85rem 0.9rem 1rem;
  min-height: 7.5rem;
}
.flow-diagram__domain {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--color-cyan);
}
.flow-diagram__label {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 650;
}
.flow-diagram__glyph {
  height: 2.75rem;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(180, 200, 230, 0.22);
  background:
    linear-gradient(135deg, rgba(198, 240, 74, 0.08), transparent 55%),
    rgba(10, 12, 16, 0.55);
}
.flow-diagram__glyph--preview {
  background:
    linear-gradient(135deg, rgba(94, 200, 232, 0.12), transparent 55%),
    rgba(10, 12, 16, 0.55);
}
.flow-diagram__glyph--export {
  background:
    linear-gradient(135deg, rgba(224, 180, 90, 0.12), transparent 55%),
    rgba(10, 12, 16, 0.55);
}
.flow-diagram__arrow {
  width: 1.25rem;
  align-self: center;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-strong), transparent);
  position: relative;
}
.flow-diagram__arrow::after {
  content: "";
  position: absolute;
  right: -0.15rem;
  top: -0.28rem;
  border: 0.3rem solid transparent;
  border-left-color: var(--color-border-strong);
}

@media (max-width: 700px) {
  .product-frame__stage--flow { aspect-ratio: 4 / 5; }
  .flow-diagram {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
  .flow-diagram__arrow {
    width: 1px;
    height: 1rem;
    margin: 0 auto;
    background: linear-gradient(180deg, transparent, var(--color-border-strong), transparent);
  }
  .flow-diagram__arrow::after {
    right: auto;
    left: -0.28rem;
    top: auto;
    bottom: -0.15rem;
    border: 0.3rem solid transparent;
    border-top-color: var(--color-border-strong);
  }
  .concept-diagram {
    grid-template-columns: 2.5rem 1fr;
  }
  .concept-diagram__rail--right { display: none; }
}

.eco-glyph {
  /* Pin to card bottom so unequal copy lengths keep glyphs aligned in the row. */
  margin-top: auto;
  height: 4.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background:
    linear-gradient(160deg, rgba(198, 240, 74, 0.08), transparent 50%),
    repeating-linear-gradient(90deg, transparent, transparent 11px, rgba(180, 200, 230, 0.06) 11px, rgba(180, 200, 230, 0.06) 12px),
    rgba(10, 12, 16, 0.55);
}
.eco-glyph--preview {
  background:
    linear-gradient(160deg, rgba(94, 200, 232, 0.1), transparent 50%),
    radial-gradient(circle at 70% 40%, rgba(94, 200, 232, 0.18), transparent 35%),
    rgba(10, 12, 16, 0.55);
}
.eco-glyph--export {
  background:
    linear-gradient(160deg, rgba(224, 180, 90, 0.1), transparent 50%),
    linear-gradient(90deg, rgba(198, 240, 74, 0.12) 0 28%, transparent 28%),
    rgba(10, 12, 16, 0.55);
}

.hero .product-frame {
  transform: perspective(1200px) rotateY(-6deg) rotateX(3deg);
  transform-origin: left center;
}
@media (max-width: 959px) {
  .hero .product-frame { transform: none; }
}

/* ——— Showcase ——— */
.showcase__frame {
  max-width: 58rem;
  margin: 0 auto var(--space-6);
}
.flow-steps--compact {
  margin-top: var(--space-5);
}
.product-frame__stage--worlds {
  aspect-ratio: 21 / 9;
  background: #0b0d12;
}
.marketing-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Primary focal point: central glowing portal / bridge */
  object-position: 50% 46%;
  display: block;
}

/* ——— Flow ——— */
.flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .flow-steps { grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
}
.flow-step {
  position: relative;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: linear-gradient(160deg, rgba(26, 32, 48, 0.7), rgba(14, 16, 22, 0.4));
  transition: border-color var(--duration) var(--ease), transform var(--duration) var(--ease);
}
.flow-step:hover {
  border-color: rgba(198, 240, 74, 0.35);
  transform: translateY(-3px);
}
.flow-step__index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.12em;
  margin-bottom: var(--space-3);
}
.flow-step__body { color: var(--color-fg-secondary); margin: 0; }

/* ——— Features ——— */
.feature-rail {
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 900px) {
  .feature-rail {
    grid-template-columns: repeat(3, 1fr);
  }
  .feature--lead {
    grid-column: span 2;
  }
}
.feature {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: rgba(20, 24, 32, 0.65);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.feature:hover {
  border-color: rgba(94, 200, 232, 0.35);
  box-shadow: var(--elev-1);
}
.feature--lead {
  background:
    linear-gradient(145deg, rgba(198, 240, 74, 0.08), transparent 50%),
    rgba(20, 24, 32, 0.8);
}
.feature__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
  margin-bottom: var(--space-3);
}
.feature p { color: var(--color-fg-secondary); margin: 0; }

/* ——— Ecosystem / workflow ——— */
.ecosystem {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 900px) {
  .ecosystem { grid-template-columns: repeat(3, 1fr); }
}
.eco-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  min-height: 100%;
}
.eco-card__domain {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-cyan);
  letter-spacing: 0.04em;
}
.eco-card p { color: var(--color-fg-secondary); margin: 0; }
.boundary-note {
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--color-accent);
  background: rgba(198, 240, 74, 0.05);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.boundary-note p { margin: 0; color: var(--color-fg-secondary); max-width: none; }

/* ——— Use cases ——— */
.use-case-grid {
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 700px) {
  .use-case-grid { grid-template-columns: 1fr 1fr; }
}
.use-case {
  padding: var(--space-5);
  border-top: 1px solid var(--color-border-strong);
}
.use-case p { color: var(--color-fg-secondary); margin: 0; }
.use-case-visual {
  margin-top: var(--space-6);
}
.use-case-visual__label {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
}

.definition-section {
  padding-top: 0;
}
.definition-block {
  max-width: 42rem;
  padding: var(--space-6);
  border-left: 3px solid var(--color-accent);
  background: rgba(198, 240, 74, 0.04);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}
.definition-block h2 {
  margin-top: 0;
  font-size: var(--text-xl);
}
.definition-block p { color: var(--color-fg-secondary); }
.section-more {
  margin-top: var(--space-5);
  color: var(--color-fg-muted);
  font-size: var(--text-sm);
}
.faq-page__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-7);
}
.footer-nav a {
  color: var(--color-fg-secondary);
  text-decoration: none;
}
.footer-nav a:hover { color: var(--color-accent); }

/* ——— Audience ——— */
.audience-list {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 800px) {
  .audience-list { grid-template-columns: 1fr 1fr; column-gap: var(--space-7); }
}
.audience-item {
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.audience-item p { color: var(--color-fg-secondary); margin: 0; }

/* ——— Early access ——— */
.early-access-section { position: relative; }
.early-access-panel {
  display: grid;
  gap: var(--space-6);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-strong);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(198, 240, 74, 0.1), transparent 45%),
    linear-gradient(160deg, rgba(26, 32, 48, 0.95), rgba(12, 14, 20, 0.9));
  box-shadow: var(--elev-2);
}
@media (min-width: 900px) {
  .early-access-panel { grid-template-columns: 1.1fr 0.9fr; align-items: start; }
}
.benefit-list {
  margin: var(--space-4) 0;
  padding: 0;
  list-style: none;
}
.benefit-list li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.4rem;
  color: var(--color-fg-secondary);
}
.benefit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-accent);
}
.early-access-panel__note,
.form-footnote,
.form-hint {
  color: var(--color-fg-muted);
  font-size: var(--text-sm);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(198, 240, 74, 0.35);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.status-badge--amber {
  border-color: rgba(224, 180, 90, 0.4);
  background: rgba(224, 180, 90, 0.12);
  color: var(--color-amber);
}

.form-banner {
  margin: var(--space-4) 0;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}
.form-banner--error {
  border-color: rgba(240, 120, 120, 0.5);
  background: rgba(240, 120, 120, 0.1);
  color: #ffc9c9;
}
.form-banner--warning {
  border-color: rgba(224, 180, 90, 0.45);
  background: rgba(224, 180, 90, 0.1);
  color: #f0d9a0;
}

.ea-form { display: grid; gap: var(--space-4); }
.form-field { display: grid; gap: var(--space-2); }
.form-label { font-size: var(--text-sm); font-weight: 600; }
.form-input {
  width: 100%;
  min-height: var(--touch-min);
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border-strong);
  background: rgba(0, 0, 0, 0.35);
  color: var(--color-fg);
  font: inherit;
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}
.form-textarea { resize: vertical; min-height: 6rem; }
.form-input:focus-visible {
  border-color: rgba(198, 240, 74, 0.55);
  box-shadow: 0 0 0 3px rgba(198, 240, 74, 0.15);
}
.form-error { color: var(--color-error); font-size: var(--text-sm); }
.form-error-summary {
  margin: var(--space-2) 0 0;
  padding-left: 1.1rem;
  color: var(--color-error);
  font-size: var(--text-sm);
}
.form-fieldset {
  margin: 0;
  padding: var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  display: grid;
  gap: var(--space-3);
}
.form-legend {
  padding: 0 var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
}
.form-options { display: grid; gap: var(--space-2); }
.form-option {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2) var(--space-3);
  align-items: start;
  min-height: var(--touch-min);
  padding: 0.55rem 0.7rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--color-fg-secondary);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease);
}
.form-option:hover {
  background: rgba(198, 240, 74, 0.05);
  border-color: rgba(198, 240, 74, 0.16);
}
.form-option:has(:focus-visible) {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}
.form-option input { margin-top: 0.2rem; accent-color: var(--color-accent); width: 1.1rem; height: 1.1rem; }
.form-field--conditional[hidden] { display: none !important; }
@supports selector(:has(*)) {
  .form-fieldset:has(input[name="Input.Occupation"][value="other"]:checked) [data-show-when-occupation="other"],
  .form-fieldset:has(input[name="Input.IntendedUses"][value="other"]:checked) [data-show-when-use="other"] {
    display: block !important;
  }
}
@supports not selector(:has(*)) {
  .form-field--conditional { display: block; }
}
.ea-details {
  margin-top: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(20, 24, 32, 0.45);
  padding: 0.15rem 0.85rem 0.85rem;
}
.ea-details summary {
  cursor: pointer;
  min-height: var(--touch-min);
  display: flex;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-fg);
}
.ea-details .benefit-list { margin-top: var(--space-3); }
.ea-form__submit {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-2);
}
.early-access-panel--compact {
  max-width: 36rem;
}
.early-access-panel--compact .cta-row { margin-bottom: 0; }
.req { color: var(--color-accent); font-weight: 700; }
.form-field--checkbox {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2) var(--space-3);
  align-items: start;
}
.form-checkbox { width: 1.15rem; height: 1.15rem; margin-top: 0.2rem; accent-color: var(--color-accent); }
.form-checkbox-label { font-size: var(--text-sm); color: var(--color-fg-secondary); }
.form-field--checkbox .form-error { grid-column: 1 / -1; }
.early-access-panel--form {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 960px) {
  .early-access-panel--form {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }
}
.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.early-access-panel--success .cta-row,
.early-access-panel--success > p:last-of-type {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ——— Roadmap ——— */
.roadmap {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 1px solid var(--color-border-strong);
}
.roadmap--dense {
  gap: 0;
}
.roadmap__item {
  position: relative;
  padding: 0 0 var(--space-4) var(--space-5);
  --roadmap-marker-size: 0.65rem;
  --roadmap-marker-left: -0.35rem;
  --roadmap-marker-top: 0.35rem;
}
.roadmap--dense .roadmap__item {
  padding-bottom: var(--space-3);
}
.roadmap--dense .roadmap__title {
  font-size: 1.05rem;
  margin: 0 0 0.2rem;
}
.roadmap--dense .roadmap__body {
  font-size: var(--text-sm);
}
@media (min-width: 960px) {
  .roadmap--dense {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--space-3);
    border-left: 0;
    border-top: 1px solid var(--color-border-strong);
    padding-top: var(--space-5);
  }
  .roadmap--dense .roadmap__item {
    padding: var(--space-3) var(--space-2) 0;
    /* Center the marker on the top border line (parent padding-top + half marker). */
    --roadmap-marker-left: 0.15rem;
    --roadmap-marker-top: calc(-1 * var(--space-5) - (var(--roadmap-marker-size) / 2));
  }
}
.roadmap__item::before {
  content: "";
  position: absolute;
  left: var(--roadmap-marker-left);
  top: var(--roadmap-marker-top);
  width: var(--roadmap-marker-size);
  height: var(--roadmap-marker-size);
  border-radius: 50%;
  background: var(--color-border-strong);
  box-shadow: 0 0 0 4px var(--color-bg);
}
.roadmap__item--complete::before { background: var(--color-accent); }
.roadmap__item--current::before {
  background: var(--color-cyan);
  box-shadow: 0 0 0 4px var(--color-bg);
  z-index: 1;
}
.roadmap__item[data-status="in-progress"]::after {
  content: "";
  position: absolute;
  left: var(--roadmap-marker-left);
  top: var(--roadmap-marker-top);
  width: var(--roadmap-marker-size);
  height: var(--roadmap-marker-size);
  border-radius: 50%;
  box-sizing: border-box;
  border: 2px solid var(--color-accent);
  background: var(--color-accent-soft);
  pointer-events: none;
  z-index: 0;
  transform-origin: center;
  animation: roadmap-status-pulse 1.8s ease-out infinite;
}
.roadmap__status {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
}
.roadmap__item--current .roadmap__status { color: var(--color-cyan); }
.roadmap__item--complete .roadmap__status { color: var(--color-accent); }
.roadmap__body { color: var(--color-fg-secondary); margin: 0; }
.roadmap__focus {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-fg-muted);
}

@keyframes roadmap-status-pulse {
  0% {
    opacity: 0.9;
    transform: scale(1.15);
  }
  100% {
    opacity: 0;
    transform: scale(2.35);
  }
}

/* ——— FAQ ——— */
.faq-list { display: grid; gap: var(--space-3); max-width: 46rem; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(20, 24, 32, 0.55);
  padding: 0;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  min-height: var(--touch-min);
  padding: 0.95rem 1.1rem;
  font-weight: 600;
  color: var(--color-fg);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary { border-bottom: 1px solid var(--color-border); }
.faq-item p {
  margin: 0;
  padding: 1rem 1.1rem 1.2rem;
  color: var(--color-fg-secondary);
  max-width: none;
}

/* ——— Final CTA ——— */
.final-cta {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-strong);
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 4vw, 3rem);
  background:
    radial-gradient(ellipse at 80% 20%, rgba(94, 200, 232, 0.12), transparent 50%),
    radial-gradient(ellipse at 10% 80%, rgba(198, 240, 74, 0.1), transparent 45%),
    linear-gradient(135deg, #12161f, #0a0c10);
  text-align: center;
}
.final-cta__content { position: relative; z-index: 1; margin: 0 auto; max-width: 34rem; }
.final-cta__content p {
  margin: 0 auto var(--space-5);
  color: var(--color-fg-secondary);
  max-width: 28rem;
}

/* ——— Footer ——— */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  background: rgba(8, 10, 14, 0.9);
}
.site-footer__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-8) clamp(1rem, 3vw, 2rem) var(--space-6);
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 800px) {
  .site-footer__inner {
    grid-template-columns: 1.3fr 1fr;
    grid-template-areas:
      "brand domains"
      "copy copy";
  }
  .site-footer__brand { grid-area: brand; }
  .site-footer__domains { grid-area: domains; }
  .site-footer__copy { grid-area: copy; }
}
.site-footer__identity {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 var(--space-3);
}
.site-footer__mark {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
}
.site-footer__wordmark {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0;
}
.site-footer__tagline { color: var(--color-fg-secondary); margin-bottom: var(--space-4); }
.site-footer__heading {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
  margin-bottom: var(--space-3);
}
.domain-map {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  gap: var(--space-2);
}
.domain-map li {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
}
.domain-map__host {
  font-family: var(--font-mono);
  color: var(--color-fg);
}
.domain-map__role { color: var(--color-fg-muted); }
.site-footer__legal-note a { color: var(--color-fg-secondary); text-decoration: none; }
.site-footer__legal-note a:hover { color: var(--color-accent); }
.site-footer__copy {
  color: var(--color-fg-muted);
  font-size: var(--text-sm);
  margin: 0;
  max-width: none;
}

/* ——— Legal pages ——— */
.legal-section { max-width: 46rem; }
.legal-panel code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--color-accent);
}
.legal-panel ul { color: var(--color-fg-secondary); }
.legal-panel h2 { margin-top: var(--space-6); font-size: var(--text-xl); }
.about-section .eyebrow--inline {
  display: block;
  margin-bottom: var(--space-2);
}
.progress-split {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-4) 0 0;
}
.progress-split h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
}
.progress-split ul {
  margin: 0;
  padding-left: 1.15rem;
}
@media (min-width: 768px) {
  .progress-split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }
}
.milestone-note {
  margin-top: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(20, 24, 32, 0.45);
  padding: var(--space-3) var(--space-4);
}
.milestone-note summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
}
.milestone-note p {
  margin: var(--space-3) 0 0;
  color: var(--color-fg-secondary);
  font-size: var(--text-sm);
}

/* ——— Confirmation / received ——— */
.confirm-panel,
.received-panel {
  max-width: 34rem;
  margin: var(--space-8) auto;
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

/* ——— Motion entrance (hero) ——— */
.hero-enter > * {
  opacity: 0;
  transform: translateY(1rem);
  animation: rise-in var(--duration-slow) var(--ease-out) forwards;
}
.hero-enter > *:nth-child(1) { animation-delay: 40ms; }
.hero-enter > *:nth-child(2) { animation-delay: 120ms; }
.hero-enter > *:nth-child(3) { animation-delay: 200ms; }
.hero-enter > *:nth-child(4) { animation-delay: 280ms; }
.hero-enter > *:nth-child(5) { animation-delay: 360ms; }
.hero-enter > *:nth-child(6) { animation-delay: 420ms; }
.hero__visual {
  opacity: 0;
  transform: translateY(1.5rem) scale(0.98);
  animation: rise-in 700ms var(--ease-out) 220ms forwards;
}

/* Guarantee readable hero if animations are interrupted */
@supports (animation-timeline: auto) {
  .hero-enter > *,
  .hero__visual {
    animation-fill-mode: both;
  }
}

@keyframes rise-in {
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal,
  .hero-enter > *,
  .hero__visual {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
  .btn:hover,
  .flow-step:hover { transform: none; }
  .roadmap__item[data-status="in-progress"]::after {
    animation: none;
    content: none;
  }
}

/* ——— Narrow mobile ——— */
@media (max-width: 390px) {
  .cta-row .btn { width: 100%; }
  .hero__brand-mark { font-size: 2.4rem; }
}