:root {
  color-scheme: dark;
  --bg: #101214;
  --ink: #f4f0e7;
  --muted: #bac4cc;
  --soft: #88949e;
  --panel: #181d21;
  --panel-2: #20272c;
  --line: #34404a;
  --gold: #e0b85c;
  --gold-2: #f1d37c;
  --green: #68c58e;
  --red: #e0655f;
  --blue: #75a8d8;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
  --radius: 8px;
  font-family: "Aptos Display", "Segoe UI", "Noto Sans", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(140deg, rgba(224, 184, 92, 0.12), transparent 26rem),
    linear-gradient(215deg, rgba(104, 197, 142, 0.09), transparent 32rem),
    radial-gradient(circle at 68% 18%, rgba(117, 168, 216, 0.13), transparent 28rem),
    var(--bg);
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 10;
  transform: translateY(-150%);
  padding: 0.75rem 1rem;
  color: #101214;
  background: var(--gold-2);
  border-radius: var(--radius);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem clamp(1rem, 4vw, 4rem);
  background: rgba(16, 18, 20, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.15rem;
  aspect-ratio: 1;
  color: #11140f;
  background: linear-gradient(160deg, var(--gold-2), var(--green));
  border-radius: 6px;
  font-size: 0.82rem;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(0.75rem, 3vw, 2rem);
  color: var(--muted);
  font-weight: 700;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.language-control {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.language-control select {
  max-width: 12rem;
  color: var(--ink);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.55rem 0.7rem;
  font: inherit;
}

main {
  overflow: hidden;
}

.hero,
.feature-band,
.sponsor-band,
.download-band {
  padding-inline: clamp(1rem, 4vw, 4rem);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(21rem, 1.14fr);
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: center;
  min-height: calc(100svh - 4.5rem);
  padding-block: clamp(3rem, 7vw, 6rem);
}

.hero-copy {
  max-width: 43rem;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--gold-2);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(3.4rem, 7vw, 6.8rem);
  line-height: 0.92;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
}

h3 {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 2.4rem);
  line-height: 1.08;
}

.hero-lede {
  max-width: 42rem;
  margin: 1.3rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  line-height: 1.6;
}

.hero-actions,
.download-band {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

.hero-actions {
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.95rem 1.2rem;
  border-radius: var(--radius);
  font-weight: 900;
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

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

.button.primary {
  color: #14120d;
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  box-shadow: 0 18px 40px rgba(224, 184, 92, 0.25);
}

.button.secondary {
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.055);
}

.release-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 2rem 0 0;
}

.release-facts div {
  min-width: 0;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
}

.release-facts dt {
  color: var(--soft);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
}

.release-facts dd {
  margin: 0.35rem 0 0;
  font-weight: 900;
}

.hero-media {
  position: relative;
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: -10% 8% auto auto;
  width: 40%;
  aspect-ratio: 1;
  background:
    repeating-linear-gradient(45deg, rgba(224, 184, 92, 0.26) 0 2px, transparent 2px 9px);
  opacity: 0.45;
}

.hero-media img,
.screenshot-frame img {
  position: relative;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-band {
  padding-block: clamp(4rem, 8vw, 8rem);
  background:
    linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.03) 18%, rgba(255, 255, 255, 0.03) 82%, transparent);
}

.section-heading {
  max-width: 58rem;
  margin-bottom: clamp(2rem, 4vw, 4rem);
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(16rem, 0.78fr) minmax(20rem, 1.22fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  margin-top: clamp(2rem, 5vw, 5rem);
}

.feature-row.reverse {
  grid-template-columns: minmax(20rem, 1.22fr) minmax(16rem, 0.78fr);
}

.feature-row.reverse .feature-copy {
  order: 2;
}

.feature-copy {
  display: grid;
  gap: 1rem;
}

.feature-copy p,
.capability-grid p,
.sponsor-note {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.65;
}

.feature-number {
  color: var(--green);
  font-weight: 950;
}

.screenshot-frame {
  margin: 0;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 5rem);
}

.capability-grid article,
.sponsor-panel {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(24, 29, 33, 0.82);
}

.capability-grid article {
  padding: clamp(1rem, 2vw, 1.45rem);
}

.capability-grid h3 {
  font-size: 1.25rem;
}

.capability-grid p {
  margin-top: 0.8rem;
}

.sponsor-band {
  padding-block: clamp(4rem, 7vw, 7rem);
}

.sponsor-panel {
  padding: clamp(1rem, 2vw, 1.6rem);
}

.sponsor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sponsor-list li {
  padding: 0.7rem 0.9rem;
  color: var(--ink);
  background: rgba(224, 184, 92, 0.14);
  border: 1px solid rgba(224, 184, 92, 0.36);
  border-radius: var(--radius);
  font-weight: 900;
}

.sponsor-note {
  margin-top: 1rem;
}

.download-band {
  justify-content: space-between;
  gap: 2rem;
  padding-block: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.download-band h2 {
  max-width: 18ch;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
  }

  .feature-row.reverse .feature-copy {
    order: 0;
  }

  h1 {
    max-width: 11ch;
  }

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

@media (max-width: 620px) {
  .site-header {
    align-items: center;
    gap: 0.6rem;
  }

  .brand {
    align-self: center;
    font-size: 0.88rem;
  }

  .language-control {
    gap: 0.45rem;
  }

  .language-control select {
    max-width: 8.5rem;
    padding: 0.5rem 0.55rem;
  }

  .hero {
    min-height: auto;
    padding-top: 2rem;
  }

  h1 {
    font-size: clamp(2.35rem, 13vw, 3.5rem);
  }

  .release-facts {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}