:root {
  color-scheme: dark;
  --ink: #f6f7f9;
  --muted: #aeb7c4;
  --bg: #090d12;
  --surface: #101722;
  --surface-2: #17202c;
  --line: #2a3544;
  --lime: #a8d500;
  --lime-dark: #789900;
  --cyan: #3dd4c5;
  --coral: #ff657d;
  --paper: #eef1f3;
  --paper-ink: #10151d;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 72%);
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
code { font: inherit; color: var(--lime); }
.h3-wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; background: var(--lime); color: #050806; padding: 10px 14px; }
.skip-link:focus { top: 12px; }

.h3-header { position: sticky; top: 0; z-index: 30; background: rgba(9, 13, 18, .94); border-bottom: 1px solid rgba(255,255,255,.08); backdrop-filter: blur(14px); }
.h3-header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.h3-brand { display: inline-flex; align-items: center; gap: 14px; text-decoration: none; min-width: 0; }
.h3-brand img { width: 138px; height: auto; object-fit: contain; }
.h3-brand span { display: grid; line-height: 1.15; white-space: nowrap; }
.h3-brand strong { font-size: .9rem; }
.h3-brand small { color: var(--lime); font-size: .72rem; text-transform: uppercase; letter-spacing: 0; }
.h3-nav { display: flex; align-items: center; gap: 22px; font-size: .9rem; }
.h3-nav > a:not(.h3-button) { color: var(--muted); text-decoration: none; }
.h3-nav > a:hover { color: var(--ink); }
.h3-menu-button { display: none; min-height: 44px; border: 1px solid var(--line); background: transparent; color: var(--ink); padding: 8px 14px; font: inherit; }

.h3-button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 19px; border: 1px solid transparent; border-radius: 6px; font-weight: 800; text-decoration: none; text-align: center; }
.h3-button-primary { color: #070b08; background: var(--lime); border-color: var(--lime); }
.h3-button-primary:hover { background: #c0ed18; }
.h3-button-secondary { background: transparent; border-color: #64748b; color: var(--ink); }
.h3-button-secondary:hover { border-color: var(--cyan); }
.h3-text-link { color: var(--ink); text-underline-offset: 5px; font-weight: 750; }

.h3-hero { padding: 76px 0 68px; border-bottom: 1px solid var(--line); }
.h3-hero-grid { display: grid; grid-template-columns: minmax(0, .86fr) minmax(460px, 1.14fr); gap: 54px; align-items: center; }
.h3-eyebrow { margin: 0 0 14px; color: var(--lime); font-size: .78rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0; }
.h3-hero h1, .h3-section h2, .h3-final-cta h2 { margin: 0; letter-spacing: 0; line-height: 1.02; text-wrap: balance; }
.h3-hero h1 { max-width: 720px; font-size: clamp(3rem, 6.5vw, 6.1rem); }
.h3-hero h1 span { display: block; color: var(--lime); font-size: .36em; text-transform: uppercase; margin-bottom: 10px; }
.h3-slogan { margin: 24px 0 0; color: var(--cyan); font-size: clamp(1.25rem, 2.3vw, 2rem); font-weight: 850; }
.h3-lead { max-width: 690px; margin: 16px 0 0; color: var(--muted); font-size: 1.08rem; }
.h3-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 30px; }
.h3-proof { display: flex; flex-wrap: wrap; gap: 10px 22px; list-style: none; padding: 0; margin: 30px 0 0; color: var(--muted); font-size: .86rem; }
.h3-proof li::before { content: "✓"; color: var(--lime); margin-right: 7px; font-weight: 900; }
.h3-poster { position: relative; display: block; border: 1px solid #425024; background: #050805; border-radius: 8px; overflow: hidden; box-shadow: 0 28px 70px rgba(0,0,0,.38); }
.h3-poster img { width: 100%; height: auto; object-fit: contain; }
.h3-poster span { position: absolute; right: 12px; bottom: 12px; padding: 7px 10px; background: rgba(0,0,0,.78); border: 1px solid rgba(255,255,255,.2); border-radius: 4px; font-size: .76rem; }

.h3-section { position: relative; padding: 92px 0; border-bottom: 1px solid var(--line); }
.h3-section-light { color: var(--paper-ink); background: var(--paper); }
.h3-section-light .h3-eyebrow { color: #536a00; }
.h3-section-light .h3-section-lead { color: #4c5664; }
.h3-section h2, .h3-final-cta h2 { max-width: 860px; font-size: clamp(2.2rem, 4vw, 4.2rem); }
.h3-section-lead { max-width: 780px; color: var(--muted); }
.h3-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 46px; background: #b9c1c8; border: 1px solid #b9c1c8; }
.h3-steps article { min-height: 250px; padding: 28px; background: var(--paper); }
.h3-steps article > span { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 38px; border-radius: 50%; color: #fff; background: #121a24; font-weight: 900; }
.h3-steps h3, .h3-feature-grid h3 { margin: 0; line-height: 1.2; }
.h3-steps p, .h3-feature-grid p { margin-bottom: 0; }
.h3-demo-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 52px; }
.h3-demo-grid figure { margin: 0; background: #0a0e14; border: 1px solid #323d4b; border-radius: 8px; overflow: hidden; }
.h3-demo-grid figure a { display: block; aspect-ratio: 1.445 / 1; overflow: hidden; background: #05070a; }
.h3-demo-grid img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform .25s ease; }
.h3-demo-grid a:hover img { transform: scale(1.015); }
.h3-demo-grid figcaption { display: grid; gap: 4px; padding: 18px 20px 21px; color: var(--ink); }
.h3-demo-grid figcaption span { color: var(--muted); font-size: .9rem; }

.h3-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 46px; }
.h3-feature-grid article { min-height: 215px; padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.h3-feature-grid article:nth-child(2n) { border-top-color: var(--cyan); }
.h3-feature-grid article:nth-child(3n) { border-top-color: var(--coral); }
.h3-feature-grid article:nth-child(3n + 1) { border-top-color: var(--lime); }
.h3-feature-grid p { color: var(--muted); }
.h3-split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr); gap: 80px; align-items: start; }
.h3-split > div > p:not(.h3-eyebrow) { color: var(--muted); max-width: 640px; }
.h3-check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.h3-check-list li { padding: 14px 16px 14px 46px; position: relative; background: rgba(255,255,255,.035); border: 1px solid var(--line); border-radius: 6px; }
.h3-check-list li::before { content: "✓"; position: absolute; left: 17px; color: var(--lime); font-weight: 900; }
.h3-use-cases { background: #0d141c; }
.h3-security { background: #11151a; }
.h3-warning { padding: 16px; color: #ffd9df !important; background: rgba(255, 101, 125, .08); border-left: 3px solid var(--coral); }

.h3-founder { background: #101c18; border-top: 1px solid #315448; }
.h3-founder-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 72px; align-items: start; }
.h3-founder-inner .h3-button { margin-top: 22px; }
.h3-ecosystem-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 38px; }
.h3-ecosystem-links a { display: grid; gap: 4px; min-height: 120px; padding: 22px; color: var(--paper-ink); text-decoration: none; border: 1px solid #b7c0c8; border-radius: 6px; background: #fff; }
.h3-ecosystem-links a:hover { border-color: #536a00; }
.h3-ecosystem-links span { color: #586270; font-size: .9rem; }

.h3-faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; }
.h3-faq-list { border-top: 1px solid var(--line); }
.h3-faq-list details { border-bottom: 1px solid var(--line); }
.h3-faq-list summary { cursor: pointer; list-style: none; padding: 21px 42px 21px 0; position: relative; font-weight: 800; }
.h3-faq-list summary::-webkit-details-marker { display: none; }
.h3-faq-list summary::after { content: "+"; position: absolute; right: 10px; top: 18px; color: var(--lime); font-size: 1.35rem; }
.h3-faq-list details[open] summary::after { content: "−"; }
.h3-faq-list p { color: var(--muted); margin: -5px 0 21px; padding-right: 34px; }
.h3-responsible { padding-block: 48px; background: #0b0f14; }
.h3-responsible h2 { font-size: 1.45rem; }
.h3-responsible p { max-width: 980px; color: var(--muted); font-size: .9rem; }
.h3-final-cta { padding: 92px 0; background: #172118; border-bottom: 1px solid #354b32; }
.h3-final-cta p:not(.h3-eyebrow) { color: var(--muted); font-size: 1.08rem; }
.h3-footer { padding: 38px 0 90px; background: #06090d; color: var(--muted); font-size: .88rem; }
.h3-footer .h3-wrap { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 34px; }
.h3-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.h3-footer nav a { color: var(--muted); }
.h3-mobile-cta { display: none; }

.h3-lightbox { width: min(96vw, 1420px); max-height: 94vh; padding: 48px 10px 10px; border: 1px solid var(--line); border-radius: 8px; background: #06090d; color: var(--ink); }
.h3-lightbox::backdrop { background: rgba(0,0,0,.88); }
.h3-lightbox button { position: absolute; top: 9px; right: 10px; min-height: 34px; padding: 4px 12px; border: 1px solid var(--line); color: var(--ink); background: var(--surface); }
.h3-lightbox img { max-width: 100%; max-height: calc(94vh - 58px); margin: auto; object-fit: contain; }

@media (max-width: 980px) {
  .h3-header-inner { min-height: 66px; }
  .h3-menu-button { display: inline-flex; align-items: center; }
  .h3-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; padding: 18px 20px 22px; background: #0b1118; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 6px; }
  .h3-nav[data-open="true"] { display: flex; }
  .h3-nav > a:not(.h3-button) { min-height: 44px; display: flex; align-items: center; padding: 0 10px; }
  .h3-hero-grid { grid-template-columns: 1fr; }
  .h3-hero-copy { max-width: 760px; }
  .h3-poster { max-width: 820px; }
  .h3-steps { grid-template-columns: repeat(2, 1fr); }
  .h3-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .h3-split, .h3-founder-inner, .h3-faq-layout { grid-template-columns: 1fr; gap: 38px; }
  .h3-ecosystem-links { grid-template-columns: repeat(2, 1fr); }
  .h3-footer .h3-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .h3-wrap { width: min(calc(100% - 28px), var(--max)); }
  .h3-brand img { width: 112px; }
  .h3-brand span { display: none; }
  .h3-hero { padding: 48px 0 44px; }
  .h3-hero h1 { font-size: clamp(2.8rem, 15vw, 4.2rem); }
  .h3-hero h1 span { font-size: .3em; }
  .h3-lead { font-size: 1rem; }
  .h3-actions { align-items: stretch; }
  .h3-actions .h3-button { flex: 1 1 100%; }
  .h3-actions .h3-text-link { min-height: 44px; display: flex; align-items: center; }
  .h3-proof { display: grid; gap: 7px; }
  .h3-poster span { display: none; }
  .h3-section { padding: 64px 0; }
  .h3-section h2, .h3-final-cta h2 { font-size: clamp(2rem, 11vw, 3rem); }
  .h3-steps, .h3-demo-grid, .h3-feature-grid, .h3-ecosystem-links { grid-template-columns: 1fr; }
  .h3-steps article { min-height: 0; }
  .h3-steps article > span { margin-bottom: 22px; }
  .h3-demo-grid figure a { aspect-ratio: 1.2 / 1; }
  .h3-feature-grid article { min-height: 0; }
  .h3-founder-inner { gap: 34px; }
  .h3-final-cta { padding: 68px 0 92px; }
  .h3-mobile-cta { display: flex; position: fixed; z-index: 28; left: 14px; right: 14px; bottom: 12px; min-height: 50px; align-items: center; justify-content: center; color: #070b08; background: var(--lime); border: 1px solid #c8f134; border-radius: 6px; font-weight: 900; text-decoration: none; box-shadow: 0 12px 35px rgba(0,0,0,.42); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}