/* TON blue accent + Inter (all UI & headings) + JetBrains Mono (markers / code) */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap");

/* Inter Display — same family as ton.org (see https://ton.org/en next/font preloads) */
@font-face {
  font-family: "Inter Display";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/gh/rsms/inter@v4.1/docs/font-files/InterDisplay-Medium.woff2") format("woff2");
}

@font-face {
  font-family: "Inter Display";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/gh/rsms/inter@v4.1/docs/font-files/InterDisplay-SemiBold.woff2") format("woff2");
}

@font-face {
  font-family: "Inter Display";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/gh/rsms/inter@v4.1/docs/font-files/InterDisplay-ExtraBold.woff2") format("woff2");
}

:root {
  --bg-deep: #050810;
  --bg-surface: #0a0f1a;
  --bg-elevated: #111827;
  /* TON logo–aligned blues (#0098EA core + lighter/deep shades) */
  --ton-sky: #7dd3fc;
  --ton-bright: #38bdf8;
  --ton-core: #0098ea;
  --ton-deep: #005f9e;
  --ton-night: #003d5c;
  --ton-aqua: #22d3ee;
  /* Legacy names → map to TON scale (single accent family) */
  --coral-bright: var(--ton-bright);
  --coral-mid: var(--ton-core);
  --coral-dark: var(--ton-night);
  --cyan-bright: var(--ton-sky);
  --cyan-mid: #0ea5e9;
  --cyan-glow: rgba(56, 189, 248, 0.35);
  --text-primary: #f0f4ff;
  --text-secondary: #8892b0;
  --text-muted: #5a6480;
  --border-subtle: rgba(136, 146, 176, 0.15);
  --border-accent: rgba(56, 189, 248, 0.35);
  --surface-card: rgba(10, 15, 26, 0.65);
  --surface-card-strong: rgba(10, 15, 26, 0.82);
  --surface-overlay: rgba(0, 0, 0, 0.35);
  --shadow-accent-soft: rgba(0, 152, 234, 0.14);
  --shadow-accent-mid: rgba(0, 152, 234, 0.26);
  --shadow-accent-strong: rgba(0, 152, 234, 0.38);
  --shadow-coral-soft: var(--shadow-accent-soft);
  --shadow-coral-mid: var(--shadow-accent-mid);
  --shadow-coral-strong: var(--shadow-accent-strong);
  --shadow-cyan-soft: rgba(56, 189, 248, 0.12);
  --newsletter-gradient: linear-gradient(135deg, rgba(0, 152, 234, 0.08) 0%, rgba(10, 15, 26, 0.85) 50%, rgba(34, 211, 238, 0.05) 100%);
  --hero-title-start: #e8f4ff;
  --hero-title-end: var(--ton-aqua);
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: var(--font-body);
  /* ton.org headline / UI cut — falls back to Inter */
  --font-ton-org: "Inter Display", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;

  /* Legacy aliases (maps older class names) */
  --bg: var(--bg-deep);
  --card: var(--surface-card-strong);
  --section-alt: rgba(8, 12, 22, 0.92);
  --text: var(--text-primary);
  --muted: var(--text-secondary);
  --primary: var(--ton-core);
  --primary-strong: var(--ton-deep);
  --border: rgba(136, 146, 176, 0.22);
  --link: var(--ton-sky);
  --link-hover: #bae6fd;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Atmospheric layers (from OpenClaw: stars + nebula) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.55), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.45), transparent),
    radial-gradient(2px 2px at 200px 60px, rgba(56, 189, 248, 0.35), transparent),
    radial-gradient(2px 2px at 300px 40px, rgba(0, 152, 234, 0.28), transparent);
  background-size: 350px 200px;
  opacity: 0.38;
  animation: oc-twinkle 8s ease-in-out infinite alternate;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 80% 50% at 20% 15%, rgba(0, 152, 234, 0.11), transparent 52%),
    radial-gradient(ellipse 60% 55% at 82% 25%, rgba(34, 211, 238, 0.07), transparent 50%),
    radial-gradient(ellipse 90% 70% at 50% 95%, rgba(0, 95, 158, 0.06), transparent 55%);
  opacity: 0.9;
}

@keyframes oc-twinkle {
  0% {
    opacity: 0.28;
  }
  100% {
    opacity: 0.48;
  }
}

@media (prefers-reduced-motion: reduce) {
  body::before {
    animation: none;
    opacity: 0.35;
  }
}

.site-header,
main,
.footer {
  position: relative;
  z-index: 1;
}

::selection {
  background: var(--ton-core);
  color: #fff;
}

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

main a:not([class]) {
  color: var(--cyan-bright);
  text-decoration: underline;
  text-underline-offset: 0.18em;
  transition: color 0.2s ease;
}

main a:not([class]):hover {
  color: var(--link-hover);
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* —— Header (glass bar) —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: var(--surface-card-strong);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  column-gap: 1rem;
  row-gap: 0.75rem;
  min-height: 68px;
  padding: 0.5rem 0;
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  grid-column: 1;
  justify-self: start;
}

.brand-logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 12px rgba(0, 152, 234, 0.35));
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  grid-column: 2;
  justify-content: center;
  justify-self: center;
}

.nav-item {
  position: relative;
  padding-bottom: 0;
}

.nav-item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 10px;
}

.nav-links > a,
.nav-trigger {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.2rem 0.2rem;
  border-radius: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
  transition: color 0.2s ease;
}

.nav-links > a.active,
.nav-links > a:hover,
.nav-trigger:focus-visible,
.nav-trigger:hover {
  color: var(--text-primary);
}

.nav-item:hover .nav-trigger,
.nav-item:focus-within .nav-trigger {
  color: var(--text-primary);
}

.nav-trigger:focus-visible,
.mega-list a:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.5);
  border-radius: 8px;
}

.mega-dropdown {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  width: min(320px, 86vw);
  padding: 0.5rem;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  background: var(--bg-elevated);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
  z-index: 20;
  display: none;
}

.nav-item:hover .mega-dropdown,
.nav-item:focus-within .mega-dropdown {
  display: block;
}

.nav-item.is-open .mega-dropdown {
  display: block;
}

.nav-item.is-open .nav-trigger {
  color: var(--text-primary);
}

.nav-hamburger {
  display: none;
}

.nav-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  grid-column: 3;
  justify-self: end;
}

.nav-cta {
  white-space: nowrap;
  font-size: 0.9rem;
  padding: 0.55rem 1rem;
  min-height: 40px;
}

.mega-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
  padding: 0;
}

.mega-col {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
  display: grid;
  gap: 0.6rem;
}

.mega-group {
  margin-top: 0;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  background: rgba(17, 24, 39, 0.6);
  padding: 0.52rem 0.62rem;
}

.mega-group p {
  margin: 0 0 0.3rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
}

.mega-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mega-list li {
  margin: 0.18rem 0;
}

.mega-list a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.16rem 0.12rem;
  border-radius: 6px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.mega-list a:hover {
  color: var(--text-primary);
  background: rgba(0, 152, 234, 0.12);
}

/* —— Buttons (TON blue gradient primary, glass ghost) —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  padding: 0.66rem 1.15rem;
  min-height: 42px;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  font-family: var(--font-display);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  border: none;
  background: linear-gradient(135deg, var(--ton-bright) 0%, var(--ton-core) 45%, var(--ton-night) 100%);
  background-clip: padding-box;
  box-shadow: 0 4px 22px var(--shadow-accent-mid);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #5ec8ff 0%, var(--ton-deep) 100%);
  box-shadow: 0 8px 32px var(--shadow-accent-strong);
}

.btn-ghost {
  background: var(--surface-card);
  color: var(--text-primary);
  border-color: var(--border-subtle);
  backdrop-filter: blur(12px);
}

.btn-ghost:hover {
  border-color: var(--border-accent);
  box-shadow: 0 8px 28px var(--shadow-accent-soft);
}

/* —— Hero —— */
.hero {
  padding: 8.5rem 0 6.5rem;
}

.hero .eyebrow {
  color: var(--ton-core);
  font-weight: 600;
  letter-spacing: 0.12em;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  letter-spacing: -0.03em;
  line-height: 1.08;
  max-width: 1040px;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--hero-title-start) 0%, var(--ton-core) 42%, var(--hero-title-end) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

main > section.hero:first-of-type {
  background: radial-gradient(ellipse 85% 60% at 50% -20%, rgba(0, 152, 234, 0.14), transparent 55%);
}

.mini-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2.6rem 0 2.2rem;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--font-display);
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

main h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  letter-spacing: -0.03em;
  line-height: 1.12;
  max-width: 920px;
  color: var(--text-primary);
}

/* Section titles: “⟩” + Inter */
h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.65rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

main h2::before {
  content: "⟩";
  color: var(--ton-core);
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 0.95em;
  flex-shrink: 0;
}

h3 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
}

.lead {
  font-size: 1.12rem;
  color: var(--text-secondary);
  max-width: 800px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.35rem;
}

.hero-kicker {
  max-width: 900px;
  margin: 0.75rem 0 0;
  line-height: 1.65;
  color: var(--text-secondary);
}

.proof-strip {
  margin-top: 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  background: var(--surface-card);
  backdrop-filter: blur(12px);
}

.proof-strip p {
  margin: 0 0 0.55rem;
  font-size: 0.87rem;
  color: var(--text-secondary);
}

.proof-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.proof-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(5, 8, 16, 0.5);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.section {
  padding: 3.75rem 0;
}

.section + .section {
  border-top: 1px solid var(--border-subtle);
}

.section-alt {
  background: rgba(8, 12, 22, 0.55);
}

/* Glass metric band */
.momentum-wrap {
  background: radial-gradient(circle at 18% 12%, rgba(0, 152, 234, 0.09) 0%, transparent 42%),
    radial-gradient(circle at 88% 80%, rgba(34, 211, 238, 0.06) 0%, transparent 45%), var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 1.35rem;
  backdrop-filter: blur(12px);
}

.momentum-headline {
  max-width: 760px;
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
}

.momentum-card {
  background: var(--surface-card-strong);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.2rem;
  backdrop-filter: blur(10px);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.momentum-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
  box-shadow: 0 12px 36px var(--shadow-accent-soft);
}

.momentum-card p:last-child {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.metric-label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-date {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0.1rem 0 0.45rem;
}

.community-cta {
  border: 1px solid var(--border-subtle);
  background: var(--newsletter-gradient);
  border-radius: 18px;
  padding: 1.5rem 1.4rem;
  backdrop-filter: blur(14px);
}

.community-cta h2 {
  margin-bottom: 0.5rem;
}

.ready-build {
  background: linear-gradient(180deg, rgba(16, 19, 28, 0.95) 0%, rgba(6, 8, 14, 0.98) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 1.5rem;
}

.ready-build h2 {
  color: var(--text-primary);
  margin-bottom: 0.9rem;
}

.ready-build .grid {
  align-items: stretch;
}

.ready-card {
  background: rgba(17, 23, 39, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.ready-card h3 {
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.ready-card p {
  color: var(--text-secondary);
}

.ready-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.track-grid .track-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.track-tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin: 0;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border-accent);
  background: rgba(0, 152, 234, 0.12);
  color: var(--ton-sky);
  font-size: 0.76rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.track-card .btn {
  margin-top: 0.25rem;
}

.actions-center {
  justify-content: center;
}

.final-cta {
  border: 1px solid var(--border-subtle);
  background: var(--newsletter-gradient);
  border-radius: 18px;
  padding: 1.75rem 1.5rem;
  text-align: center;
  backdrop-filter: blur(14px);
}

.final-cta h2 {
  margin: 0 0 0.65rem;
}

.home-ready-cta {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1.35rem;
  padding: 1.85rem 1.6rem;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  background: linear-gradient(145deg, rgba(17, 24, 39, 0.9) 0%, rgba(10, 15, 26, 0.95) 100%);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.home-ready-cta::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--ton-bright) 0%, var(--ton-aqua) 100%);
  border-radius: 20px 0 0 20px;
}

.home-ready-cta-text {
  flex: 1;
  min-width: 0;
}

.home-ready-cta h2 {
  margin: 0 0 0.5rem;
  color: var(--text-primary);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 700;
}

.home-ready-cta h2::before {
  color: var(--ton-core);
}

.home-ready-cta-lead {
  margin: 0;
  max-width: 36rem;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.home-ready-cta-btn {
  align-self: flex-start;
  box-shadow: 0 4px 24px var(--shadow-accent-mid);
}

@media (min-width: 720px) {
  .home-ready-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 1.9rem 2rem 1.9rem 1.85rem;
  }

  .home-ready-cta-btn {
    align-self: center;
    flex-shrink: 0;
  }
}

@media (max-width: 719px) {
  .home-ready-cta-btn {
    width: 100%;
    justify-content: center;
  }
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.25rem;
  backdrop-filter: blur(12px);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
  box-shadow: 0 12px 40px var(--shadow-accent-soft);
}

.card h3 {
  color: var(--text-primary);
}

.card-media {
  width: calc(100% + 2.4rem);
  margin: -1.2rem -1.2rem 0.9rem;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-subtle);
  display: block;
}

.card p,
.card li {
  color: var(--text-secondary);
}

.card-see-all {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.65rem;
  min-height: 100%;
  padding: 1.35rem 1.25rem;
}

.card-see-all-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
  font-family: var(--font-display);
  color: var(--text-primary);
}

.card-see-all-lead {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.card-see-all-btn {
  align-self: flex-start;
  margin-top: 0.2rem;
}

.metric {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--ton-core);
}

ul {
  margin: 0.5rem 0 0;
  padding-left: 1rem;
}

.kicker {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-family: var(--font-mono);
  line-height: 1.55;
}

.section-intro {
  margin-bottom: 1.1rem;
  max-width: 720px;
}

.nutshell-copy {
  max-width: 980px;
}

.footer {
  margin-top: 3rem;
  border-top: 1px solid var(--border-subtle);
  padding: 2.5rem 0 2.75rem;
  color: var(--text-muted);
  background: rgba(3, 5, 10, 0.92);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.footer h4 {
  margin: 0 0 0.5rem;
  font-size: 0.92rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--ton-sky);
}

.footer-note {
  margin-top: 1.3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  opacity: 0.85;
}

@media (max-width: 900px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .nav-row {
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    gap: 0.65rem 0.75rem;
    align-items: center;
  }

  .brand {
    grid-column: 1;
    grid-row: 1;
  }

  .nav-hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: none;
    cursor: pointer;
    padding: 0;
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
  }

  .nav-actions {
    display: none;
  }

  .nav-hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    position: relative;
    transition: background 0.2s;
  }

  .nav-hamburger span::before,
  .nav-hamburger span::after {
    content: '';
    position: absolute;
    left: 0;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: transform 0.25s ease;
  }

  .nav-hamburger span::before { top: -6px; }
  .nav-hamburger span::after { top: 6px; }

  .nav-hamburger.is-active span { background: transparent; }
  .nav-hamburger.is-active span::before { transform: translateY(6px) rotate(45deg); }
  .nav-hamburger.is-active span::after { transform: translateY(-6px) rotate(-45deg); }

  .nav-links {
    display: none;
    flex-direction: column;
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    gap: 0;
    padding: 0.5rem 0;
    max-height: 75vh;
    overflow-y: auto;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-item {
    border-top: 1px solid var(--border-subtle);
  }

  .nav-trigger {
    display: block;
    width: 100%;
    padding: 0.75rem 0 !important;
    text-align: left;
  }

  .mega-dropdown {
    position: static !important;
    width: 100% !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
    backdrop-filter: none !important;
    padding: 0 0 0.5rem 0.75rem !important;
  }

  .nav-actions {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
  }

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

  .card-media {
    height: 150px;
  }

  .mini-hero {
    min-height: 100svh;
    padding: 2.1rem 0 1.6rem;
  }

  .proof-strip {
    padding: 0.75rem;
  }

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

  .hero h1 {
    font-size: clamp(1.85rem, 8vw, 2.75rem);
  }
}

/* —— Powering apps section (index.html) —— */
.powering-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  margin-bottom: 2.5rem;
}

.powering-title {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0;
}

.powering-title::before {
  display: none;
}

.powering-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0;
  padding-top: 0.2rem;
}

.powering-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
}

.powering-card {
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  background: rgba(10, 14, 24, 0.92);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  text-decoration: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.powering-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 8px 28px var(--shadow-accent-soft);
}

.powering-phone {
  aspect-ratio: 9 / 16;
  max-height: 320px;
  overflow: hidden;
  background: #0a0e18;
  padding: 15px;
}

.powering-phone-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  border-radius: 10px;
}

.powering-card-footer {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1rem;
}

img.powering-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
}

.powering-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-primary);
  flex: 1;
}

.powering-arrow {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color 0.2s ease;
}

.powering-card:hover .powering-arrow {
  color: var(--ton-sky);
}

@media (max-width: 900px) {
  .powering-header {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.8rem;
  }

  .powering-title {
    font-size: 1.7rem;
  }

  .powering-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.9rem;
  }

  .powering-phone {
    max-height: 240px;
  }
}

/* —— GRAM showcase (two-col: preview + item list) —— */
.gram-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.gram-preview {
  position: sticky;
  top: 5.5rem;
  align-self: start;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface-card);
  backdrop-filter: blur(12px);
}

.gram-preview-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--border-subtle);
  transition: opacity 0.3s ease;
}

.gram-preview-title {
  margin: 1rem 1.25rem 0.25rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: opacity 0.2s ease;
}

.gram-preview-sub {
  margin: 0 1.25rem 1.15rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  transition: opacity 0.2s ease;
}

.gram-items {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface-card);
  backdrop-filter: blur(12px);
}

.gram-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: background 0.2s ease;
  border-left: 3px solid transparent;
}

.gram-item:not(:last-child) {
  border-bottom: 1px solid var(--border-subtle);
}

.gram-item:hover,
.gram-item.is-active {
  background: rgba(0, 152, 234, 0.06);
  border-left-color: var(--ton-core);
}

.gram-item h4 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.3;
}

.gram-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.gram-item.is-active h4 {
  color: var(--ton-bright);
}

@media (max-width: 900px) {
  .gram-showcase {
    grid-template-columns: 1fr;
  }

  .gram-preview {
    position: static;
  }

  .gram-preview-img {
    height: 180px;
  }
}

/* —— Updates list (vertical rows) —— */
.updates-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface-card);
  backdrop-filter: blur(12px);
}

.update-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s ease;
}

.update-row:not(:last-child) {
  border-bottom: 1px solid var(--border-subtle);
}

.update-row:hover {
  background: rgba(0, 152, 234, 0.05);
}

.update-row-img {
  width: 120px;
  height: 80px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
}

.update-row-body {
  flex: 1;
  min-width: 0;
}

.update-row-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.update-row-body h3 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.update-row-body p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.update-row-arrow {
  font-size: 1.2rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color 0.2s ease;
}

.update-row:hover .update-row-arrow {
  color: var(--ton-bright);
}

@media (max-width: 900px) {
  .update-row-img {
    width: 80px;
    height: 56px;
  }

  .update-row {
    gap: 0.85rem;
    padding: 0.85rem 1rem;
  }
}

@media (max-width: 540px) {
  .update-row-img {
    display: none;
  }
}

/* —— Build tools (3-col cards with preview) —— */
.build-tools-grid {
  align-items: stretch;
}

.build-tool-card {
  display: flex;
  flex-direction: column;
}

.build-tool-card h3 {
  margin-bottom: 0.35rem;
}

.build-tool-card p {
  flex: 1;
}

.build-tool-card .btn {
  align-self: flex-start;
  margin-top: 0.75rem;
}

.build-tool-img {
  width: calc(100% + 2.5rem);
  margin: -1.25rem -1.25rem 1rem;
  height: 160px;
  max-height: 160px;
  min-height: 160px;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-subtle);
  border-radius: 14px 14px 0 0;
  background: linear-gradient(180deg, rgba(0, 152, 234, 0.06) 0%, transparent 100%);
}

/* —— Showcase (phone-card scroll strip) —— */
.showcase-section {
  overflow: hidden;
}

.showcase-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2.5rem;
}

.showcase-title h2 {
  font-size: clamp(1.75rem, 3.8vw, 2.65rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 440px;
}

.showcase-desc {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 440px;
  margin: 0;
  padding-top: 0.25rem;
}

.showcase-track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 0 0 1.5rem;
  padding-left: max(calc((100vw - 1120px) / 2), 4vw);
  padding-right: max(calc((100vw - 1120px) / 2), 4vw);
  scrollbar-width: none;
}

.showcase-track::-webkit-scrollbar {
  display: none;
}

.showcase-card {
  flex: 0 0 250px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.showcase-phone {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 16;
  border-radius: 24px;
  overflow: hidden;
  background: #111218;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.showcase-card:hover .showcase-phone {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 0 0 1px var(--border-accent);
}

.showcase-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.showcase-meta {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0 0.25rem;
}

.showcase-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: contain;
  background: #1a1d28;
  flex-shrink: 0;
}

.showcase-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.showcase-arrow {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.05rem;
  flex-shrink: 0;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.showcase-arrow:hover {
  border-color: var(--border-accent);
  color: var(--ton-bright);
  background: rgba(0, 152, 234, 0.08);
}

@media (max-width: 900px) {
  .showcase-header {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
  }

  .showcase-card {
    flex: 0 0 200px;
  }
}

/* —— Split block (image + text side by side) —— */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse > * {
  direction: ltr;
}

.split-visual {
  width: 100%;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--surface-card);
}

.split-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.split-visual--placeholder {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, rgba(0, 152, 234, 0.08) 0%, rgba(10, 15, 26, 0.9) 60%, rgba(34, 211, 238, 0.05) 100%);
}

.split-visual--placeholder span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.split-body h2 {
  margin-bottom: 0.6rem;
}

.split-body p {
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0.5rem;
}

.split-body .hero-actions {
  margin-top: 1rem;
}

@media (max-width: 900px) {
  .split,
  .split--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
}

/* —— Bento grid (mixed-size cards) —— */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 1rem;
}

.bento-wide {
  grid-column: span 2;
}

.bento-tall {
  grid-row: span 2;
}

.bento .card {
  height: 100%;
}

@media (max-width: 900px) {
  .bento {
    grid-template-columns: 1fr;
  }

  .bento-wide,
  .bento-tall {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* —— Feature strip (horizontal icon + text rows) —— */
.feature-strip {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface-card);
  backdrop-filter: blur(12px);
}

.feature-strip-item {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1.15rem 1.35rem;
}

.feature-strip-item:not(:last-child) {
  border-bottom: 1px solid var(--border-subtle);
}

.feature-strip-num {
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ton-bright);
  background: rgba(0, 152, 234, 0.1);
  border: 1px solid var(--border-accent);
  flex-shrink: 0;
}

.feature-strip-text h4 {
  margin: 0 0 0.15rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.feature-strip-text p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* —— Full-bleed image break —— */
.full-bleed-img {
  width: 100%;
  margin: 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  max-height: 380px;
}

.full-bleed-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.full-bleed-img--placeholder {
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(0, 152, 234, 0.06) 0%, var(--bg-deep) 40%, rgba(34, 211, 238, 0.04) 100%);
}

.full-bleed-img--placeholder span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

/* —— Code preview block —— */
.code-preview {
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(5, 8, 16, 0.85);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.code-preview-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(17, 24, 39, 0.6);
}

.code-preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.4;
}

.code-preview-body {
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  white-space: pre;
}

pre.code-preview-body {
  margin: 0;
  background: transparent !important;
  border: 0;
  border-radius: 0;
}

pre.code-preview-body code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.7;
  background: transparent !important;
  padding: 0;
  text-shadow: none;
}

/* Prism token overrides — TON palette */
.code-preview .token.keyword,
.code-preview .token.module,
.code-preview .token.control-flow-keyword { color: var(--ton-bright); }
.code-preview .token.string,
.code-preview .token.template-string { color: var(--ton-aqua); }
.code-preview .token.comment,
.code-preview .token.prolog { color: var(--text-muted); }
.code-preview .token.function { color: #dcdcaa; }
.code-preview .token.class-name,
.code-preview .token.maybe-class-name { color: #4ec9b0; }
.code-preview .token.number,
.code-preview .token.boolean { color: #b5cea8; }
.code-preview .token.operator,
.code-preview .token.punctuation { color: var(--text-secondary); }
.code-preview .token.property { color: #9cdcfe; }
.code-preview .token.constant { color: var(--ton-sky); }

/* —— DeFi feature blocks (defi.html) —— */
.defi-feature {
  margin-bottom: 1.25rem;
}

.defi-feature h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ton-sky);
  margin-bottom: 0.3rem;
}

.defi-feature p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
  max-width: 480px;
  margin: 0;
}

/* —— Bridge card icons (defi.html §4) —— */
.bridge-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.bridge-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: contain;
  flex-shrink: 0;
}

.bridge-card-header h3 {
  margin: 0;
}

/* —— DeFi showcase rows (defi.html §5) —— */
.defi-showcase {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2rem;
}

.defi-showcase-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 1.6rem 0;
  border-top: 1px solid var(--border-subtle);
}

.defi-showcase-row:last-child {
  border-bottom: 1px solid var(--border-subtle);
}

.defi-showcase-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ton-sky);
  padding-top: 0.15rem;
}

.defi-showcase-body p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0 0 0.8rem;
}

.defi-showcase-body .btn {
  font-size: 0.82rem;
  padding: 0.45rem 1.1rem;
}

@media (max-width: 900px) {
  .defi-showcase-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

/* —— DeFi why-row stats (defi.html §6) —— */
.defi-why-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.defi-why-item {
  text-align: center;
}

.defi-why-value {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.6rem;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--ton-bright), var(--ton-aqua));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.15rem;
}

.defi-why-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.7rem;
}

.defi-why-item p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
  margin: 0 auto;
  max-width: 300px;
}

@media (max-width: 900px) {
  .defi-why-row {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* —— Tree diagram (ton-technologies.html) —— */
.tree-diagram-wrap {
  max-width: 760px;
  margin: 2.5rem auto 0;
}

.tree-svg {
  width: 100%;
  height: auto;
}

.tree-core-glow {
  animation: core-pulse 5s ease-in-out infinite;
}

@keyframes core-pulse {
  0%, 100% { opacity: 0.13; }
  50% { opacity: 0.26; }
}

/* —— Quickstart tabbed demo (appkit.html) —— */
.qs-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 2.5rem;
}

.qs-headline {
  font-family: var(--font-ton-org);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.8vw, 2.65rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0.5rem 0 0;
}

.qs-header-right {
  padding-top: 0.25rem;
}

.qs-header-right p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.65;
  margin: 0 0 1.15rem;
}

.qs-demo {
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  background: var(--surface-card);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.qs-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 1.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.qs-tabs::-webkit-scrollbar {
  display: none;
}

.qs-tab {
  flex-shrink: 0;
  font: inherit;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 1rem 1.15rem;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.qs-tab:hover {
  color: var(--text-primary);
}

.qs-tab.is-active {
  color: var(--text-primary);
  font-weight: 600;
  border-bottom-color: var(--ton-core);
}

.qs-panel {
  display: none;
  padding: 2rem 2rem 1.25rem;
}

.qs-panel.is-active {
  display: block;
}

.qs-panel-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  align-items: stretch;
}

.qs-phone {
  position: relative;
  width: 100%;
  max-width: 260px;
  aspect-ratio: 9 / 17;
  border-radius: 36px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  background: #111218;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 8px 32px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-self: center;
}

.qs-phone-notch {
  width: 100px;
  height: 22px;
  border-radius: 0 0 16px 16px;
  background: #000;
  margin: 0 auto;
  flex-shrink: 0;
}

.qs-phone-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
}

.qs-phone-icon {
  opacity: 0.7;
}

.qs-phone-label {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
}

.qs-code {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.qs-code .code-preview-bar {
  position: relative;
}

.qs-copy-btn {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--ton-sky);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.qs-copy-btn:hover {
  background: rgba(0, 152, 234, 0.12);
  border-color: var(--border-accent);
}

.qs-code .code-preview-body {
  flex: 1;
}

.qs-panel-caption {
  margin: 1.25rem 0 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

@media (max-width: 900px) {
  .qs-header {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .qs-tabs {
    padding: 0 1rem;
  }

  .qs-tab {
    padding: 0.85rem 0.85rem;
    font-size: 0.82rem;
  }

  .qs-panel {
    padding: 1.25rem 1rem 1rem;
  }

  .qs-panel-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .qs-phone {
    max-width: 200px;
    justify-self: center;
  }
}

/* —— Minimal home (home-experiment.html) —— */
.experiment-home {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  font-family: var(--font-ton-org);
}

.experiment-home .experiment-home__skip {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.experiment-home .experiment-home__skip:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.5rem 0.85rem;
  z-index: 10;
  background: var(--surface-card-strong);
  border: 1px solid var(--border-accent);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.88rem;
  text-decoration: none;
}

/* Find out more — hover / focus / touch opens panel (same links as main nav) */
.experiment-home__more-wrap {
  position: fixed;
  bottom: 1.35rem;
  right: 1.35rem;
  z-index: 30;
  padding-bottom: 0.4rem;
}

.experiment-home__more-trigger {
  display: inline-block;
  font: inherit;
  font-family: var(--font-ton-org);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--link);
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0.35rem 0.4rem;
  border-radius: 8px;
  opacity: 0.85;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.experiment-home__more-trigger:hover,
.experiment-home__more-wrap:hover .experiment-home__more-trigger {
  color: var(--link-hover);
  opacity: 1;
}

.experiment-home__more-trigger:focus-visible {
  outline: 2px solid var(--ton-sky);
  outline-offset: 3px;
}

.experiment-home__more-menu {
  position: absolute;
  bottom: calc(100% + 0.2rem);
  right: 0;
  width: min(320px, calc(100vw - 2rem));
  max-height: min(70vh, 560px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.5rem;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  background: var(--bg-elevated);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

.experiment-home__more-wrap:hover .experiment-home__more-menu,
.experiment-home__more-wrap:focus-within .experiment-home__more-menu,
.experiment-home__more-wrap.is-open .experiment-home__more-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.experiment-home__more-nav .mega-grid {
  gap: 0.55rem;
}

@media (prefers-reduced-motion: reduce) {
  .experiment-home__more-menu {
    transition: none;
  }
}

.experiment-home__stage {
  flex: 1;
  display: grid;
  place-items: center;
  position: relative;
  z-index: 1;
  padding: clamp(1.5rem, 5vw, 3rem);
  min-height: 100dvh;
}

/* Decorative keywords — not interactive */
.experiment-home__wordfield {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  overflow: hidden;
}

.experiment-home__word {
  position: absolute;
  font-family: var(--font-mono);
  font-size: clamp(0.62rem, 1.65vw, 0.92rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  opacity: 0.2;
  white-space: nowrap;
}

.experiment-home__word--a {
  top: 10%;
  left: 5%;
  transform: rotate(-9deg);
}
.experiment-home__word--b {
  top: 18%;
  right: 8%;
  transform: rotate(6deg);
}
.experiment-home__word--c {
  top: 42%;
  left: 3%;
  transform: rotate(-4deg);
}
.experiment-home__word--d {
  top: 30%;
  left: 22%;
  transform: rotate(11deg);
  opacity: 0.16;
}
.experiment-home__word--e {
  top: 8%;
  left: 38%;
  transform: rotate(-3deg);
  opacity: 0.15;
}
.experiment-home__word--f {
  bottom: 28%;
  left: 10%;
  transform: rotate(7deg);
}
.experiment-home__word--g {
  top: 52%;
  right: 6%;
  transform: rotate(-11deg);
}
.experiment-home__word--h {
  bottom: 14%;
  right: 18%;
  transform: rotate(5deg);
  opacity: 0.17;
}
.experiment-home__word--i {
  bottom: 38%;
  right: 4%;
  transform: rotate(-6deg);
}
.experiment-home__word--j {
  top: 62%;
  left: 14%;
  transform: rotate(4deg);
  opacity: 0.14;
  font-size: clamp(0.55rem, 1.4vw, 0.78rem);
}
.experiment-home__word--k {
  top: 24%;
  right: 28%;
  transform: rotate(-12deg);
}
.experiment-home__word--l {
  bottom: 8%;
  left: 28%;
  transform: rotate(-5deg);
  opacity: 0.15;
}
.experiment-home__word--m {
  top: 72%;
  right: 22%;
  transform: rotate(8deg);
}
.experiment-home__word--n {
  top: 46%;
  right: 38%;
  transform: rotate(-7deg);
  opacity: 0.13;
}

.experiment-home__halo {
  position: absolute;
  z-index: 0;
  width: min(120vw, 720px);
  height: min(120vw, 720px);
  border-radius: 50%;
  background: radial-gradient(
    circle at 50% 45%,
    rgba(0, 152, 234, 0.22) 0%,
    rgba(0, 95, 158, 0.06) 42%,
    transparent 68%
  );
  filter: blur(2px);
  pointer-events: none;
  animation: experiment-home-breathe 7s ease-in-out infinite;
}

.experiment-home__orbit {
  position: absolute;
  z-index: 0;
  width: min(95vw, 520px);
  height: min(95vw, 520px);
  border-radius: 50%;
  border: 1px solid rgba(56, 189, 248, 0.1);
  pointer-events: none;
  animation: experiment-home-spin 48s linear infinite;
}

/* Sputnik 1 (PS-1) silhouette: polished sphere + two long / two short whip pairs */
.experiment-home__orbit .experiment-home__sputnik-svg {
  position: absolute;
  top: 0;
  left: 50%;
  width: 56px;
  height: 56px;
  margin-left: -28px;
  margin-top: -28px;
  pointer-events: none;
  overflow: visible;
  filter: drop-shadow(0 0 12px rgba(125, 211, 252, 0.42));
}

@keyframes experiment-home-breathe {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.85;
  }
  50% {
    transform: scale(1.06);
    opacity: 1;
  }
}

@keyframes experiment-home-spin {
  to {
    transform: rotate(360deg);
  }
}

/* CTA stack: pill + caption below */
.experiment-home__cta-block {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  --cta-hero: clamp(1.875rem, 4.2vw + 0.65rem, 3.375rem);
  --cta-preface: clamp(0.88rem, calc(var(--cta-hero) * 0.38), 1.08rem);
}

/* Smaller grey line — same treatment as the old “Official builder portal” caption */
.experiment-home__cta-preface {
  margin: 0;
  max-width: min(22rem, 92vw);
  font-family: var(--font-ton-org);
  font-size: var(--cta-preface);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.35;
  text-align: center;
  color: rgba(255, 255, 255, 0.72);
}

/* Large primary pill — same language as .btn-primary, no extra chrome */
.experiment-home__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: min(92vw, 26rem);
  padding: 1.35rem 2.25rem;
  border-radius: 999px;
  text-decoration: none;
  color: #fff;
  font-family: var(--font-ton-org);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--ton-bright) 0%, var(--ton-core) 45%, var(--ton-night) 100%);
  box-shadow: 0 4px 22px var(--shadow-accent-mid);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease, background 0.2s ease;
  overflow: visible;
}

.experiment-home__cta:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #5ec8ff 0%, var(--ton-deep) 100%);
  box-shadow: 0 8px 32px var(--shadow-accent-strong);
}

.experiment-home__cta:focus-visible {
  outline: 2px solid var(--ton-sky);
  outline-offset: 4px;
}

.experiment-home__cta:active {
  transform: translateY(0);
}

/* Headline: action + brand (TON pops on the gradient) */
.experiment-home__cta-line {
  display: inline-flex;
  flex-wrap: nowrap;
  align-items: baseline;
  justify-content: center;
  gap: 0.2em;
  white-space: nowrap;
  max-width: 100%;
  font-size: var(--cta-hero);
  line-height: 1.08;
}

.experiment-home__cta-hero {
  font-family: var(--font-ton-org);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #fff;
}

.experiment-home__cta-brand {
  font-family: var(--font-ton-org);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #ecfeff;
  text-shadow: 0 0 24px rgba(125, 211, 252, 0.45);
}

@media (max-width: 900px) {
  .experiment-home__cta {
    padding: 1.2rem 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .experiment-home__halo,
  .experiment-home__orbit {
    animation: none;
  }

  .experiment-home__sputnik-svg {
    opacity: 0.88;
  }

  .experiment-home__cta {
    transition: none;
  }

  .experiment-home__cta:hover {
    transform: none;
  }
}