:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07080b;
  color: #f4f4f5;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 3%, rgba(255, 202, 0, 0.13), transparent 32rem),
    radial-gradient(circle at 5% 55%, rgba(37, 99, 235, 0.08), transparent 34rem),
    #07080b;
  line-height: 1.65;
}

a { color: #ffca00; }
a:hover { color: #ffe37a; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 8, 11, 0.92);
  backdrop-filter: blur(18px);
}

.header-inner,
.page,
.site-footer {
  width: min(100% - 2rem, 880px);
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: #fff;
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand-name {
  color: #ffca00;
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.9rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.site-nav a { color: #d4d4d8; text-decoration: none; }
.site-nav a[aria-current="page"], .site-nav a:hover { color: #ffca00; }

.page { padding-block: 4.5rem 5rem; }

.eyebrow {
  margin: 0 0 0.8rem;
  color: #ffca00;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.2; color: #fff; }
h1 { margin: 0; font-size: clamp(2.25rem, 7vw, 4.5rem); letter-spacing: -0.04em; }
h2 { margin: 3rem 0 0.8rem; font-size: 1.35rem; }
h3 { margin: 1.8rem 0 0.4rem; font-size: 1rem; }
p, li { color: #c8c8ce; }
p { margin: 0.75rem 0; }
ul { padding-left: 1.3rem; }
li + li { margin-top: 0.45rem; }

.lede {
  max-width: 760px;
  margin-top: 1.25rem;
  color: #e4e4e7;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.metadata {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.25rem;
  margin: 1.7rem 0 2.5rem;
  color: #8c8c95;
  font-size: 0.82rem;
}

.notice,
.hero-card {
  border: 1px solid rgba(255, 202, 0, 0.22);
  border-radius: 16px;
  background: rgba(255, 202, 0, 0.055);
  padding: 1.25rem;
}

.notice strong { color: #fff; }

.contents {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 1.5rem;
  margin: 2rem 0 3rem;
  padding: 1.2rem 1.3rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
}

.contents a { font-size: 0.9rem; text-decoration: none; }

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

.hero { padding-block: 7rem 6rem; }
.hero h1 { max-width: 780px; }
.hero .lede { max-width: 690px; }

.purpose {
  max-width: 760px;
  margin-top: 3rem;
}

.purpose h2 {
  margin-top: 0;
}

.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 9px;
  padding: 0.7rem 1rem;
  background: rgba(255,255,255,0.05);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
}
.button.primary { border-color: #ffca00; background: #ffca00; color: #090909; }
.button:hover { color: #fff; background: rgba(255,255,255,0.1); }
.button.primary:hover { color: #090909; filter: brightness(1.08); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}
.hero-card { border-color: rgba(255,255,255,0.09); background: rgba(255,255,255,0.025); }
.hero-card h2 { margin-top: 0; font-size: 1.05rem; }
.hero-card p { font-size: 0.9rem; }

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-block: 1.5rem 2.5rem;
  color: #73737c;
  font-size: 0.78rem;
}
.site-footer nav { display: flex; gap: 1rem; }
.site-footer a { color: #a1a1aa; text-decoration: none; }

@media (max-width: 680px) {
  .header-inner { align-items: flex-start; flex-direction: column; padding-block: 0.8rem; }
  .site-nav { justify-content: flex-start; }
  .page { padding-top: 3rem; }
  .contents, .feature-grid { grid-template-columns: 1fr; }
  .hero { padding-block: 4rem; }
}