/* ==========================================================================
   JusoorAI — design system
   Palette, type and components derived from the existing Gis mark concept:
   two squares in rotation, teal #2FD4C0 to gold #D3A75C on obsidian #080B12.
   No web fonts are loaded from a third party; Space Grotesk is used when the
   visitor already has it installed and otherwise falls back to the system UI.
   ========================================================================== */

:root {
  --bg: #080b12;
  --bg-2: #0c1119;
  --bg-3: #0f1520;
  --ink: #edeff5;
  --ink-dim: rgba(237, 239, 245, 0.68);
  --ink-faint: rgba(237, 239, 245, 0.52);
  --line: rgba(237, 239, 245, 0.10);
  --line-strong: rgba(237, 239, 245, 0.22);
  --teal: #2fd4c0;
  --gold: #d3a75c;
  --surface: rgba(237, 239, 245, 0.028);
  --surface-2: rgba(237, 239, 245, 0.05);
  --radius: 16px;
  --radius-lg: 22px;
  --wrap: 1180px;
  --font: "Space Grotesk", "Segoe UI Variable Display", "Segoe UI", system-ui,
    -apple-system, "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(0.22, 0.9, 0.28, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ambient background: two soft brand glows behind a masked grid */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(58% 42% at 78% -6%, rgba(47, 212, 192, 0.16), transparent 68%),
    radial-gradient(50% 38% at 6% 4%, rgba(211, 167, 92, 0.10), transparent 70%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 42%, var(--bg) 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(237, 239, 245, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(237, 239, 245, 0.045) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(72% 58% at 50% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(72% 58% at 50% 0%, #000 0%, transparent 78%);
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.028em;
  line-height: 1.08;
  text-wrap: balance;
}

p { margin: 0; }

ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }

::selection {
  background: rgba(47, 212, 192, 0.28);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--bg);
  border-radius: 8px;
  font-size: 14px;
  transition: top 0.2s var(--ease);
}
.skip:focus { top: 16px; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 28px;
}

/* ---------------------------------------------------------------- header */

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 11, 18, 0.72);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-head.is-stuck {
  border-bottom-color: var(--line);
  background: rgba(8, 11, 18, 0.9);
}

.site-head__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand__mark { width: 26px; height: 26px; }
.brand__text {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.brand__ai { color: var(--teal); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}
.site-nav ul {
  display: flex;
  align-items: center;
  gap: 30px;
}
.site-nav a {
  font-size: 15px;
  color: var(--ink-dim);
  transition: color 0.2s var(--ease);
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); }

.nav-cta {
  margin-left: 4px;
  padding: 9px 18px !important;
  font-size: 14px !important;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* --------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
    border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), color 0.2s var(--ease);
  will-change: transform;
}
.btn--solid {
  background: linear-gradient(100deg, var(--teal), #7fdfd2 45%, var(--gold));
  color: #07120f;
  box-shadow: 0 10px 34px -14px rgba(47, 212, 192, 0.7);
}
.btn--solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -14px rgba(47, 212, 192, 0.85);
}
.btn--ghost {
  border-color: var(--line-strong);
  color: var(--ink);
  background: rgba(237, 239, 245, 0.02);
}
.btn--ghost:hover {
  border-color: rgba(47, 212, 192, 0.65);
  background: rgba(47, 212, 192, 0.07);
  transform: translateY(-2px);
}

/* ------------------------------------------------------------------ hero */

.hero { padding: 92px 0 76px; }
.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, var(--teal), transparent);
}

.hero__title {
  font-size: clamp(2.7rem, 5.4vw, 4.35rem);
  line-height: 0.99;
  letter-spacing: -0.04em;
  margin-bottom: 26px;
}
.accent {
  background: linear-gradient(96deg, var(--teal) 8%, #9fe6d4 46%, var(--gold) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lede {
  font-size: 17.5px;
  line-height: 1.72;
  color: var(--ink-dim);
  max-width: 54ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero__stats {
  display: flex;
  gap: 40px;
  margin-top: 50px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero__stats dt {
  font-size: 27px;
  font-weight: 600;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, var(--ink), rgba(237, 239, 245, 0.55));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__stats dd {
  margin-top: 2px;
  font-size: 12.5px;
  color: var(--ink-faint);
  letter-spacing: 0.01em;
}

.hero__art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 380px;
}
.hero__mark {
  width: min(100%, 400px);
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 24px 60px rgba(47, 212, 192, 0.2));
  animation: markFloat 9s ease-in-out infinite;
}
@keyframes markFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(1.4deg); }
}

.hero__rings {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.hero__rings span {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(237, 239, 245, 0.08);
}
.hero__rings span:nth-child(1) {
  width: 300px; height: 300px;
  border-style: dashed;
  border-color: rgba(47, 212, 192, 0.24);
  animation: spin 46s linear infinite;
}
.hero__rings span:nth-child(2) {
  width: 430px; height: 430px;
  border-color: rgba(237, 239, 245, 0.06);
}
.hero__rings span:nth-child(3) {
  width: 560px; height: 560px;
  border-color: rgba(211, 167, 92, 0.10);
  animation: spin 80s linear infinite reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ----------------------------------------------------------------- strip */

.strip {
  border-block: 1px solid var(--line);
  background: linear-gradient(90deg, transparent, rgba(237, 239, 245, 0.025), transparent);
}
.strip__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px 30px;
  padding-block: 20px;
}
.strip span {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}
.strip span::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0.75;
  vertical-align: middle;
}

/* --------------------------------------------------------------- section */

.section { padding: 92px 0; }
.section--tight { padding: 48px 0 92px; }

.section__head {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  column-gap: 20px;
  align-items: baseline;
  margin-bottom: 46px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.section__num {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}
.section__title {
  font-size: clamp(1.6rem, 2.6vw, 2.15rem);
}
.section__lede {
  grid-column: 2;
  margin-top: 12px;
  max-width: 62ch;
  color: var(--ink-dim);
  font-size: 16px;
}

/* ---------------------------------------------------------------- groups */

.group + .group { margin-top: 56px; }
.group__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.group__title {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.group__lede {
  font-size: 13.5px;
  color: var(--ink-faint);
  flex: 1 1 240px;
}
.group__count {
  font-size: 12px;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
}

/* ----------------------------------------------------------------- cards */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 100% at 0% 0%, color-mix(in srgb, var(--c1) 9%, transparent), transparent 58%),
    var(--surface);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
    background 0.35s var(--ease), box-shadow 0.35s var(--ease);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, color-mix(in srgb, var(--c1) 60%, transparent), transparent 42%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 26px 60px -34px rgba(0, 0, 0, 0.9);
}
.card:hover::before { opacity: 1; }

.card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px 24px 22px;
  gap: 12px;
}

.card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 6px;
}
.card__mark {
  width: 42px;
  height: 42px;
  transition: transform 0.5s var(--ease);
}
.card:hover .card__mark { transform: rotate(11deg) scale(1.06); }

.card__name {
  font-size: 19px;
  letter-spacing: -0.022em;
}
.card__short {
  font-size: 14.2px;
  line-height: 1.6;
  color: var(--ink-dim);
  flex: 1;
}
.card__more {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-faint);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color 0.25s var(--ease), gap 0.25s var(--ease);
}
.card:hover .card__more { color: var(--c1, var(--teal)); gap: 11px; }

/* ------------------------------------------------------------------ pills */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px 5px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(8, 11, 18, 0.55);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-dim);
  white-space: nowrap;
}
.pill__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.pill--alpha { color: #6ee7d7; border-color: rgba(47, 212, 192, 0.34); }
.pill--pre { color: #a9b4ff; border-color: rgba(124, 127, 242, 0.34); }
.pill--private { color: #e3bd85; border-color: rgba(211, 167, 92, 0.34); }
.pill--dev { color: var(--ink-faint); }
.pill--alpha .pill__dot { box-shadow: 0 0 0 3px rgba(47, 212, 192, 0.16); }
.pill--pre .pill__dot { box-shadow: 0 0 0 3px rgba(124, 127, 242, 0.16); }
.pill--private .pill__dot { box-shadow: 0 0 0 3px rgba(211, 167, 92, 0.16); }

/* --------------------------------------------------------------- pillars */

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.pillar {
  padding: 28px 26px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-2), transparent 70%);
}
.pillar__num {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--teal);
  opacity: 0.8;
}
.pillar h3 {
  margin: 16px 0 12px;
  font-size: 18.5px;
}
.pillar p {
  font-size: 14.6px;
  line-height: 1.68;
  color: var(--ink-dim);
}

/* -------------------------------------------------------------- identity */

.identity {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 52px;
  align-items: center;
}
.identity__art {
  position: relative;
  display: grid;
  place-items: center;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(80% 80% at 50% 40%, rgba(47, 212, 192, 0.09), transparent 70%),
    var(--surface);
}
.identity__mark { width: min(100%, 240px); }
.identity__copy p {
  color: var(--ink-dim);
  font-size: 15.6px;
  line-height: 1.75;
}
.identity__copy p + p { margin-top: 16px; }

.swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.swatches li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
}
.swatches span {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--a), var(--b));
}
.swatches em {
  font-style: normal;
  color: var(--ink-faint);
  font-size: 12px;
}

/* ------------------------------------------------------------------- cta */

.cta { padding: 20px 0 100px; }
.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 26px;
  padding: 44px 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 160% at 100% 0%, rgba(211, 167, 92, 0.12), transparent 60%),
    radial-gradient(90% 140% at 0% 100%, rgba(47, 212, 192, 0.12), transparent 62%),
    var(--surface);
}
.cta__inner h2 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); }
.cta__inner p {
  margin-top: 10px;
  color: var(--ink-dim);
  font-size: 15px;
  max-width: 56ch;
}

/* ------------------------------------------------------------- page head */

.page-head { padding: 78px 0 44px; }
.page-head h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.25rem);
  letter-spacing: -0.035em;
  max-width: 22ch;
}
.page-head__lede {
  margin-top: 22px;
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.72;
  color: var(--ink-dim);
}
.page-head__lede strong { color: var(--ink); font-weight: 500; }
.page-head--center { text-align: center; padding-bottom: 88px; }
.page-head--center h1,
.page-head--center .page-head__lede { margin-inline: auto; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.footnote {
  margin-top: 34px;
  font-size: 13.5px;
  color: var(--ink-faint);
  max-width: 78ch;
}
.footnote a { color: var(--ink-dim); text-decoration: underline; text-underline-offset: 3px; }

/* -------------------------------------------------------------- product */

.crumbs {
  padding: 22px 0 0;
  font-size: 12.5px;
  color: var(--ink-faint);
}
.crumbs .wrap { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.crumbs a { color: var(--ink-faint); transition: color 0.2s var(--ease); }
.crumbs a:hover { color: var(--ink); }

.product-hero { padding: 34px 0 20px; }
.product-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: 48px;
  align-items: center;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.product-hero h1 {
  font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  margin: 18px 0 16px;
  letter-spacing: -0.038em;
}
.product-hero__tagline {
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink);
  max-width: 34ch;
}
.product-hero__short {
  margin-top: 14px;
  font-size: 15.6px;
  line-height: 1.7;
  color: var(--ink-dim);
  max-width: 56ch;
}
.product-hero .btn { margin-top: 28px; }

.product-hero__art {
  display: grid;
  place-items: center;
}
.product-hero__mark {
  width: min(100%, 260px);
  filter: drop-shadow(0 20px 50px color-mix(in srgb, var(--c2) 32%, transparent));
}

.product-body {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
  gap: 54px;
  align-items: start;
}
.prose-block + .prose-block { margin-top: 40px; }
.prose-block h2 {
  font-size: 21px;
  margin-bottom: 18px;
}
.prose-block h2::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 12px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--teal), var(--gold));
  transform: rotate(45deg) translateY(-2px);
}

.bullets li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 13px;
  font-size: 15.4px;
  line-height: 1.7;
  color: var(--ink-dim);
}
.bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-faint);
}
.bullets--honest li::before { background: var(--gold); opacity: 0.8; }

.prose-block--honest {
  margin-top: 44px;
  padding: 26px 28px 10px;
  border: 1px solid rgba(211, 167, 92, 0.22);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(211, 167, 92, 0.06), transparent 70%);
}
.prose-block--honest h2 { margin-bottom: 16px; }
.prose-block--honest h2::before { background: var(--gold); }

.product-aside { position: sticky; top: 96px; }
.aside-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 24px 24px 22px;
}
.aside-card + .aside-card { margin-top: 16px; }
.aside-card__h {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
  margin-bottom: 16px;
}
.aside-card p {
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink-dim);
}
.aside-card--note { background: linear-gradient(180deg, rgba(47, 212, 192, 0.05), transparent 80%); }

.facts .fact {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.6px;
}
.facts .fact:last-child { border-bottom: 0; padding-bottom: 0; }
.facts dt { color: var(--ink-faint); }
.facts dd { text-align: right; color: var(--ink); }

.pager { border-top: 1px solid var(--line); }
.pager__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding-block: 30px;
}
.pager__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.pager__link:hover { border-color: var(--line-strong); background: var(--surface); }
.pager__link span { font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); }
.pager__link strong { font-weight: 500; font-size: 16px; }
.pager__link--next { text-align: right; align-items: flex-end; }

/* ----------------------------------------------------------------- about */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
  gap: 60px;
  align-items: start;
}
.about-copy h2 {
  font-size: 21px;
  margin: 0 0 16px;
}
.about-copy h2:not(:first-child) { margin-top: 42px; }
.about-copy p {
  font-size: 15.8px;
  line-height: 1.75;
  color: var(--ink-dim);
}
.about-copy p + p { margin-top: 14px; }
.about-note {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 13.2px !important;
  color: var(--ink-faint) !important;
}
.about-aside { position: sticky; top: 96px; }

.timeline li {
  position: relative;
  padding: 0 0 18px 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--ink-dim);
}
.timeline li:last-child { padding-bottom: 0; }
.timeline span {
  display: block;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 4px;
}
.timeline li:nth-child(3) span,
.timeline li:nth-child(4) span { color: var(--ink-faint); }
.timeline li:nth-child(5) span { color: var(--gold); }

/* --------------------------------------------------------------- contact */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: start;
}
.contact-cards { display: grid; gap: 16px; }
.contact-card {
  padding: 28px 28px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.contact-card:hover { border-color: var(--line-strong); background: var(--surface-2); }
.contact-card h2 { font-size: 18px; margin-bottom: 10px; }
.contact-card p {
  font-size: 14.6px;
  line-height: 1.68;
  color: var(--ink-dim);
  max-width: 60ch;
}
.contact-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 15px;
  color: var(--teal);
  border-bottom: 1px solid rgba(47, 212, 192, 0.3);
  padding-bottom: 2px;
  transition: border-color 0.2s var(--ease);
}
.contact-link:hover { border-color: var(--teal); }
.contact-pending {
  display: inline-block;
  margin-left: 10px;
  padding: 2px 9px;
  border: 1px dashed rgba(211, 167, 92, 0.45);
  border-radius: 999px;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  vertical-align: 2px;
}

/* ----------------------------------------------------------------- legal */

.legal { max-width: 78ch; }
.legal__notice {
  padding: 20px 22px;
  margin-bottom: 40px;
  border: 1px solid rgba(211, 167, 92, 0.28);
  border-radius: var(--radius);
  background: rgba(211, 167, 92, 0.06);
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink-dim);
}
.legal__notice strong { color: var(--gold); font-weight: 500; }

/* ---------------------------------------------------------------- footer */

.site-foot {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(12, 17, 25, 0.75));
  padding: 62px 0 34px;
}
.site-foot__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}
.site-foot__line {
  margin-top: 16px;
  font-size: 13.8px;
  line-height: 1.66;
  color: var(--ink-faint);
  max-width: 34ch;
}
.site-foot__h {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
  margin-bottom: 14px;
}
.site-foot__list li { margin-bottom: 9px; }
.site-foot__list a {
  font-size: 14px;
  color: var(--ink-dim);
  transition: color 0.2s var(--ease);
}
.site-foot__list a:hover { color: var(--ink); }

.site-foot__base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 26px;
  font-size: 12.5px;
  color: var(--ink-faint);
}
.site-foot__note { letter-spacing: 0.01em; }

/* --------------------------------------------------------------- gallery */

.gallery {
  display: grid;
  gap: 18px;
}
.shot {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.shot img {
  width: 100%;
  height: auto;
  display: block;
}
.shot figcaption {
  padding: 12px 16px;
  font-size: 12.8px;
  color: var(--ink-faint);
  border-top: 1px solid var(--line);
}
.prose-lede {
  margin-bottom: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-dim);
  max-width: 62ch;
}
.missing-media {
  padding: 16px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  font-size: 13.8px;
  line-height: 1.65;
  color: var(--ink-faint);
}
.missing-media strong { color: var(--ink-dim); font-weight: 500; }

.release-note {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-faint);
}
.btn--full {
  width: 100%;
  margin-top: 16px;
  justify-content: center;
}

/* ------------------------------------------------------------- downloads */

.gate {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 26px 28px;
  border: 1px solid rgba(211, 167, 92, 0.28);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, rgba(211, 167, 92, 0.08), transparent 65%);
}
.gate__icon {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  border: 1px solid var(--gold);
  position: relative;
  margin-top: 2px;
}
.gate__icon::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 3px;
  background: var(--gold);
  opacity: 0.7;
}
.gate__title { font-size: 19px; margin-bottom: 8px; }
.gate p { font-size: 14.5px; line-height: 1.7; color: var(--ink-dim); max-width: 70ch; }

.policy {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 22px 0 40px;
}
.policy__item {
  padding: 22px 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.policy__item h3 { font-size: 15.5px; margin-bottom: 9px; }
.policy__item p { font-size: 13.8px; line-height: 1.65; color: var(--ink-dim); }

.downloads-filter {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}
.chip {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-dim);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.chip:hover { color: var(--ink); border-color: rgba(47, 212, 192, 0.5); }
.chip.is-active {
  color: #07120f;
  background: linear-gradient(100deg, var(--teal), var(--gold));
  border-color: transparent;
  font-weight: 500;
}
.downloads-filter__count {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.dl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}
.dl-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-2), transparent 72%);
}
.dl-card.is-hidden { display: none; }
.dl-card__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.dl-card__name { font-size: 18px; }
.dl-card__platform {
  margin-top: 4px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.dl-meta {
  margin: 18px 0 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.dl-meta > div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  font-size: 13px;
}
.dl-meta dt { color: var(--ink-faint); }
.dl-meta dd { text-align: right; color: var(--ink-dim); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.dl-card__why {
  font-size: 13.6px;
  line-height: 1.66;
  color: var(--ink-dim);
  flex: 1;
}
.dl-card__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.dl-off {
  font-size: 12.5px;
  color: var(--ink-faint);
  padding: 8px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: 999px;
  cursor: not-allowed;
}
.dl-link { font-size: 13px; color: var(--teal); }
.dl-link:hover { text-decoration: underline; text-underline-offset: 3px; }

.nb-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
}
.nb-row {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.nb-row a {
  font-size: 15.5px;
  font-weight: 500;
  color: var(--ink);
}
.nb-row a:hover { color: var(--teal); }
.nb-row p {
  margin-top: 8px;
  font-size: 13.4px;
  line-height: 1.62;
  color: var(--ink-faint);
}

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.licence-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.6px;
  min-width: 620px;
}
.licence-table th,
.licence-table td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: var(--ink-dim);
}
.licence-table th {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
  background: var(--surface);
}
.licence-table td:first-child { color: var(--ink); }
.licence-table tr:last-child td { border-bottom: 0; }

.ad-slot {
  margin: 40px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}
.ad-slot__label {
  display: block;
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}
.ad-slot__unit { min-height: 90px; }

/* --------------------------------------------------------------- reveal
   Content is visible by default so the page is complete without JS, in
   print, and in any capture that runs before the observer fires. The
   animation is added only when an element enters the viewport. */

.reveal.is-in { animation: rise 0.7s var(--ease) both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

/* -------------------------------------------------------------- responsive */

@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__art { min-height: 300px; order: -1; }
  .hero__mark { width: min(70%, 300px); }
  .hero__rings span:nth-child(3) { width: 420px; height: 420px; }
  .hero__rings span:nth-child(2) { width: 330px; height: 330px; }
  .hero__rings span:nth-child(1) { width: 240px; height: 240px; }
  .identity { grid-template-columns: 1fr; gap: 32px; }
  .product-body { grid-template-columns: 1fr; gap: 36px; }
  .product-aside, .about-aside { position: static; }
  .product-hero__inner { grid-template-columns: 1fr; gap: 26px; }
  .product-hero__art { order: -1; justify-items: start; }
  .product-hero__mark { width: 150px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .site-foot__grid { grid-template-columns: 1fr 1fr; gap: 34px; }
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed;
    inset: 74px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 28px 26px;
    /* fully opaque: the header's backdrop-filter makes even 2% alpha
       read as obvious bleed-through of the page behind the panel */
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.9);
    z-index: 60;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  }
  .site-nav.is-open { opacity: 1; transform: none; visibility: visible; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav li { border-bottom: 1px solid var(--line); }
  .site-nav a { display: block; padding: 16px 0; font-size: 16px; }
  .nav-cta { margin: 18px 0 0; align-self: flex-start; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 20px; }
  .hero { padding: 56px 0 44px; }
  .hero__stats { gap: 26px; flex-wrap: wrap; }
  .hero__stats dt { font-size: 23px; }
  .section { padding: 54px 0; }
  .section--tight { padding: 30px 0 54px; }
  .section__head { grid-template-columns: 1fr; row-gap: 10px; margin-bottom: 30px; padding-bottom: 20px; }
  .group + .group { margin-top: 40px; }
  .cta { padding: 6px 0 64px; }
  .section__lede { grid-column: 1; }
  .grid { grid-template-columns: 1fr; }
  .strip__inner { justify-content: flex-start; gap: 10px 20px; }
  .strip span { font-size: 11px; }
  .cta__inner { padding: 32px 24px; }
  .page-head { padding: 52px 0 30px; }
  .pager__inner { grid-template-columns: 1fr; }
  .pager__link--next { text-align: left; align-items: flex-start; }
  .site-foot { padding: 46px 0 28px; }
  .site-foot__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .site-foot__brand { grid-column: 1 / -1; }
  .prose-block--honest { padding: 22px 20px 6px; }
}

@media (max-width: 420px) {
  .brand__text { font-size: 17px; }
  .hero__title { font-size: 2.35rem; }
  .site-foot__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal.is-in { animation: none; }
}

@media print {
  body::before, body::after, .site-head, .site-foot, .cta { display: none; }
  body { color: #111; background: #fff; }
}