:root {
  color-scheme: dark;
  --bg: #0d0d0f;
  --panel: #17171b;
  --paper: #f5f1ec;
  --ink: #f8f3ee;
  --muted: #bab2b5;
  --line: rgba(255, 255, 255, 0.15);
  --pink: #ff79b0;
  --cyan: #78dfeb;
  --radius: 8px;
  font-family: "DM Sans", Inter, ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--bg); }
img { display: block; max-width: 100%; }
a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 72px;
  padding: 12px 4vw;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 13, 15, 0.9);
  backdrop-filter: blur(18px);
}

.brand { width: fit-content; }
.brand img, footer img { width: 112px; }
.site-header nav { display: flex; gap: 28px; }
.site-header nav a, .header-download {
  color: rgba(248, 243, 238, 0.78);
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}
.site-header nav a:hover, .header-download:hover { color: var(--pink); }
.header-download { justify-self: end; padding: 12px 15px; border: 1px solid rgba(255, 121, 176, 0.48); }

.hero {
  position: relative;
  min-height: min(78vh, 760px);
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center; }
.hero-shade { background: linear-gradient(90deg, rgba(7, 7, 10, 0.96) 0%, rgba(7, 7, 10, 0.72) 38%, rgba(7, 7, 10, 0.08) 72%); }
.hero-copy { position: relative; z-index: 2; width: min(680px, 88vw); margin-left: 6vw; padding: 72px 0 58px; }
.eyebrow { margin: 0 0 18px; color: var(--pink); font: 700 12px/1.2 "Space Mono", monospace; text-transform: uppercase; letter-spacing: 0; }
.hero h1 { margin: 0; font: 700 76px/0.98 "Playfair Display", Georgia, serif; letter-spacing: 0; }
.hero-summary { max-width: 640px; margin: 26px 0 0; color: rgba(248, 243, 238, 0.82); font-size: 23px; line-height: 1.38; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 18px; border: 1px solid transparent; text-decoration: none; font-weight: 800; }
.button-primary { color: #171217; background: var(--pink); }
.button-secondary { border-color: rgba(255, 255, 255, 0.28); background: rgba(7, 7, 10, 0.42); }
.button:hover { transform: translateY(-2px); }
.release-line { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 34px; color: rgba(248, 243, 238, 0.68); font: 400 12px/1.4 "Space Mono", monospace; }

.signal-band { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); background: #111114; }
.signal-band div { padding: 28px 4vw; border-right: 1px solid var(--line); }
.signal-band div:last-child { border-right: 0; }
.signal-band strong, .signal-band span { display: block; }
.signal-band strong { margin-bottom: 7px; font-size: 16px; }
.signal-band span { color: var(--muted); font-size: 13px; line-height: 1.5; }

.results, .overview, .install { padding: 100px 6vw; }
.results { border-bottom: 1px solid var(--line); }
.results-heading {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(320px, 1.05fr);
  gap: 8vw;
  align-items: end;
  margin-bottom: 58px;
}
.results-heading h2 { max-width: 760px; margin: 0; font: 700 48px/1.06 "Playfair Display", Georgia, serif; letter-spacing: 0; }
.results-heading > p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.6; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.metric-grid article { min-width: 0; padding: 34px 28px 36px; border-right: 1px solid var(--line); }
.metric-grid article:first-child { padding-left: 0; }
.metric-grid article:last-child { padding-right: 0; border-right: 0; }
.metric-delta { display: block; min-height: 20px; color: var(--cyan); font: 700 12px/1.5 "Space Mono", monospace; text-transform: uppercase; }
.metric-grid strong { display: block; margin-top: 28px; color: var(--ink); font: 700 40px/1.1 "Playfair Display", Georgia, serif; }
.metric-grid h3 { margin: 20px 0 10px; font-size: 18px; }
.metric-grid p { margin: 0; color: var(--muted); line-height: 1.55; }
.difference-grid { display: grid; grid-template-columns: 1fr 1fr; margin-top: 42px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.difference-grid > div { padding: 26px 28px; border-right: 1px solid var(--line); }
.difference-grid > div:first-child { padding-left: 0; }
.difference-grid > div:last-child { padding-right: 0; border-right: 0; }
.difference-grid span { display: block; margin-bottom: 10px; color: var(--pink); font: 700 12px/1.4 "Space Mono", monospace; text-transform: uppercase; }
.difference-grid p { margin: 0; color: var(--muted); line-height: 1.6; }
.results-note { max-width: 1040px; margin: 26px 0 0; color: rgba(248, 243, 238, 0.62); font-size: 13px; line-height: 1.65; }
.section-heading { display: grid; grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 1.15fr); gap: 7vw; align-items: end; margin-bottom: 58px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -28px; }
.section-heading h2, .api-band h2, .boundary h2 { margin: 0; font: 700 48px/1.06 "Playfair Display", Georgia, serif; letter-spacing: 0; }
.section-heading > p:last-child, .api-band p, .boundary p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.6; }

.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-grid article { min-height: 270px; padding: 28px; border-right: 1px solid var(--line); }
.capability-grid article:last-child { border-right: 0; }
.capability-grid span { color: var(--cyan); font: 700 12px/1 "Space Mono", monospace; }
.capability-grid h3 { margin: 74px 0 12px; font-size: 20px; }
.capability-grid p { margin: 0; color: var(--muted); line-height: 1.55; }

.api-band { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: center; padding: 84px 6vw; color: #171217; background: var(--paper); }
.api-band .eyebrow { color: #bd316d; }
.api-band p { margin-top: 22px; color: #5b5457; }
.api-band pre { margin: 0; padding: 28px; overflow-x: auto; border-radius: var(--radius); color: #eafcff; background: #111318; box-shadow: 0 24px 70px rgba(36, 24, 31, 0.18); }
.api-band code, .install code, .checksum code { font-family: "Space Mono", monospace; }

.install { background: #111114; }
.install-steps { margin: 0 0 28px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.install-steps li { display: grid; grid-template-columns: 54px 1fr; gap: 18px; align-items: center; padding: 24px 0; border-bottom: 1px solid var(--line); }
.install-steps > li > span { display: grid; width: 38px; height: 38px; place-items: center; border: 1px solid rgba(120, 223, 235, 0.48); border-radius: 50%; color: var(--cyan); }
.install-steps h3 { margin: 0 0 9px; font-size: 16px; }
.install-steps code { display: block; overflow-wrap: anywhere; color: rgba(248, 243, 238, 0.72); font-size: 13px; }
.checksum { display: grid; grid-template-columns: 100px 1fr; gap: 16px; margin: 26px 0; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, 0.03); }
.checksum span { color: var(--pink); font: 700 12px/1.5 "Space Mono", monospace; }
.checksum code { overflow-wrap: anywhere; font-size: 12px; }

.boundary { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 8vw; padding: 92px 6vw; border-top: 1px solid var(--line); }
.boundary-copy p:last-child { margin-top: 22px; }
.boundary-list { border-top: 1px solid var(--line); }
.boundary-list > p { padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.boundary-list strong { color: var(--ink); }
.legal-links { display: flex; flex-wrap: wrap; gap: 10px 18px; padding-top: 20px; }
.legal-links a { color: var(--cyan); font-size: 14px; }

footer { display: grid; grid-template-columns: 1fr auto auto; gap: 24px; align-items: center; padding: 28px 6vw; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer p { margin: 0; }
footer a { color: var(--ink); }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { min-height: 680px; align-items: end; }
  .hero-image { object-position: 66% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(7, 7, 10, 0.98) 0%, rgba(7, 7, 10, 0.68) 58%, rgba(7, 7, 10, 0.18) 100%); }
  .hero-copy { margin: 0 6vw; padding: 64px 0 52px; }
  .hero h1 { font-size: 52px; }
  .hero-summary { font-size: 19px; }
  .signal-band, .capability-grid { grid-template-columns: 1fr 1fr; }
  .signal-band div:nth-child(2), .capability-grid article:nth-child(2) { border-right: 0; }
  .signal-band div:last-child { grid-column: 1 / -1; border-top: 1px solid var(--line); }
  .capability-grid article:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .results-heading, .section-heading, .api-band, .boundary { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric-grid article:nth-child(2) { border-right: 0; }
  .metric-grid article:nth-child(3) { grid-column: 1 / -1; padding-left: 0; border-top: 1px solid var(--line); }
  .section-heading .eyebrow { margin-bottom: -12px; }
}

@media (max-width: 600px) {
  .site-header { min-height: 64px; padding: 10px 18px; }
  .header-download { padding: 10px 12px; }
  .hero { min-height: 620px; }
  .hero-copy { width: auto; margin: 0 20px; }
  .hero h1 { font-size: 44px; }
  .hero-summary { font-size: 18px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .signal-band, .metric-grid, .difference-grid, .capability-grid { grid-template-columns: 1fr; }
  .signal-band div, .capability-grid article { border-right: 0; border-top: 1px solid var(--line); }
  .signal-band div:first-child, .capability-grid article:first-child { border-top: 0; }
  .signal-band div:last-child { grid-column: auto; }
  .metric-grid article, .metric-grid article:first-child, .metric-grid article:last-child { padding: 28px 0; border-right: 0; border-top: 1px solid var(--line); }
  .metric-grid article:first-child { border-top: 0; }
  .metric-grid article:nth-child(3) { grid-column: auto; }
  .metric-grid strong { font-size: 36px; }
  .difference-grid > div, .difference-grid > div:first-child, .difference-grid > div:last-child { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .difference-grid > div:last-child { border-bottom: 0; }
  .capability-grid article { min-height: 220px; }
  .capability-grid h3 { margin-top: 44px; }
  .results, .overview, .install, .api-band, .boundary { padding: 72px 20px; }
  .results-heading h2, .section-heading h2, .api-band h2, .boundary h2 { font-size: 38px; }
  .results-heading > p, .section-heading > p:last-child, .api-band p, .boundary p { font-size: 16px; }
  .checksum { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; align-items: start; padding: 28px 20px; }
}