:root {
  --bg: #0b0c10;
  --bg-alt: #10131a;
  --surface: #131722;
  --surface-2: #0f1218;
  --line: rgba(255, 255, 255, 0.08);
  --ink: #f4f7fb;
  --muted: rgba(244, 247, 251, 0.72);
  --accent: #8ab4ff;
  --accent-2: #5eead4;
  --shadow: 0 22px 62px rgba(0, 0, 0, 0.5);
  --maxW: 1180px;
  --narrowW: 760px;
  --radius: 24px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(138, 180, 255, 0.15), transparent 28%),
    radial-gradient(circle at 86% 10%, rgba(94, 234, 212, 0.08), transparent 24%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.75;
  overflow-x: hidden;
}

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

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

a:hover {
  color: #fff;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 14px;
  z-index: 100;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 10, 14, 0.96);
  color: var(--ink);
  transition: top 180ms ease;
}

.skip-link:focus {
  top: 14px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11, 12, 16, 0.78);
  border-bottom: 1px solid var(--line);
}

.topbar__inner {
  max-width: var(--maxW);
  margin: 0 auto;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

.page {
  padding-bottom: 44px;
}

section {
  scroll-margin-top: 96px;
}

.hero {
  max-width: 100%;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hero__bg {
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  width: 100%;
}

.hero__bg img {
  width: 100%;
  height: auto;
  border-radius: 0;
  object-fit: cover;
  max-height: 60vh;
}

.hero__content {
  max-width: var(--maxW);
  margin: 0 auto;
  padding: 56px 14px 0;
  width: 100%;
}

.kicker {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.35rem, 5.5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-wrap: balance;
  max-width: 100%;
}

.subtitle {
  margin: 0 0 28px;
  max-width: 90ch;
  color: rgba(244, 247, 251, 0.86);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
}

.meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px 32px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.meta__label {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.meta__value {
  color: rgba(244, 247, 251, 0.92);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.callout {
  margin: 28px 0 0;
  padding: 20px 24px;
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  background: rgba(138, 180, 255, 0.08);
}

.callout p {
  margin: 0;
  color: rgba(244, 247, 251, 0.92);
  line-height: 1.7;
}

.section {
  padding: 70px 14px;
}

.section--alt {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 0%, rgba(138, 180, 255, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(16, 19, 26, 0.75), rgba(16, 19, 26, 0));
}

.container {
  max-width: var(--maxW);
  margin: 0 auto;
}

.container.narrow {
  max-width: 900px;
}

h2,
h3 {
  text-wrap: balance;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

h2 {
  margin: 0 0 24px;
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
}

h3 {
  margin: 32px 0 16px;
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  font-weight: 600;
  line-height: 1.3;
}

p {
  margin: 0 0 16px;
  color: rgba(244, 247, 251, 0.9);
  line-height: 1.7;
}

.lead {
  max-width: 95ch;
  font-size: 1.08rem;
  color: rgba(244, 247, 251, 0.94);
  line-height: 1.75;
}

.caps {
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.block {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.grid.two {
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  align-items: center;
}

.simulation-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.media {
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface-2);
  box-shadow: var(--shadow);
}

.media img {
  width: 100%;
  height: auto;
  background: #090a0f;
}

.media.full {
  margin-top: 14px;
}

.media.full img {
  max-height: min(78vh, 860px);
  object-fit: contain;
  padding: 12px;
}

figcaption {
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.bullets {
  margin: 0 0 20px;
  padding-left: 28px;
  max-width: 95ch;
  list-style-type: disc;
}

.bullets li {
  margin: 10px 0;
  color: rgba(244, 247, 251, 0.9);
  line-height: 1.7;
}

.numbered {
  padding-left: 20px;
}

.footerline {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.section .container > p,
.section .container > .lead,
.block > p,
.container.narrow > p {
  max-width: 95ch;
}

@media (max-width: 880px) {
  .topbar__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    justify-content: flex-start;
  }

  .meta,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .hero__bg img {
    max-height: 50vh;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 56px 14px;
  }

  .hero__content {
    padding: 32px 14px 0;
  }

  .hero__bg img {
    max-height: 40vh;
  }

  .hero h1 {
    font-size: clamp(1.75rem, 5vw, 2.25rem);
  }

  .subtitle {
    font-size: clamp(0.95rem, 4vw, 1rem);
  }
}