:root {
  color-scheme: dark;
  --bg: #050505;
  --panel: #191919;
  --panel-soft: #232323;
  --text: #f5f5f5;
  --muted: #a7a7a7;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #3ee27f;
  --accent-soft: rgba(62, 226, 127, 0.16);
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top, #111 0%, var(--bg) 55%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  min-height: 100vh;
}

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

.hero,
.subpage-hero {
  padding: 88px 24px 56px;
}

.hero__content,
.subpage-hero__content,
.page-shell,
.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero__content,
.subpage-hero__content {
  background: linear-gradient(180deg, rgba(30, 30, 30, 0.94), rgba(17, 17, 17, 0.96));
  border: 1px solid var(--line);
  border-radius: 32px;
  box-shadow: var(--shadow);
  padding: 44px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.hero__lead,
.body-copy,
.detail-list {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.hero__lead {
  max-width: 760px;
  margin: 18px 0 0;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--accent);
  color: #07110a;
}

.button--secondary {
  background: var(--accent-soft);
  color: var(--text);
  border: 1px solid rgba(62, 226, 127, 0.26);
}

.page-shell {
  display: grid;
  gap: 22px;
  padding: 0 0 48px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.panel--cta {
  background: linear-gradient(180deg, rgba(30, 30, 30, 0.98), rgba(18, 18, 18, 0.98));
}

.section-heading {
  margin-bottom: 18px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
}

.detail-list {
  margin: 0;
  padding-left: 20px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding: 28px 0 42px;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
}

.site-footer__copy {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 760px) {
  .hero,
  .subpage-hero {
    padding: 64px 16px 32px;
  }

  .hero__content,
  .subpage-hero__content,
  .panel {
    padding: 24px;
    border-radius: 24px;
  }

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

  .page-shell,
  .hero__content,
  .subpage-hero__content,
  .site-footer {
    width: min(1120px, calc(100% - 24px));
  }
}