:root {
  color-scheme: dark;
  --bg: #071712;
  --bg-alt: #0d221c;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f1f6f4;
  --muted: #a5bbb4;
  --accent: #3ee5a7;
  --accent-soft: #b1d9cd;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "SF Pro Display", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(62, 229, 167, 0.22), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(177, 217, 205, 0.16), transparent 24%),
    linear-gradient(180deg, #04100d 0%, #071712 45%, #0a1d17 100%);
  color: var(--text);
}

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

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.topbar,
.hero-grid,
.section,
.footer {
  backdrop-filter: blur(10px);
}

.hero,
.section,
.footer {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero {
  border-radius: 28px;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.brand-mark,
.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.76rem;
}

.ghost-link,
.supporting-note,
.section-heading p,
.pillars p,
.quote-card p,
.footer,
.feature-list,
.audience-row span {
  color: var(--muted);
}

.hero-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  align-items: stretch;
}

.hero-copy h1,
.section h2 {
  margin: 0;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  max-width: 9ch;
  font-size: clamp(3.4rem, 8vw, 6.8rem);
}

.lede,
.section-heading p,
.quote-card p,
.cta-banner h2 {
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-panel,
.quote-card,
.section,
.cta-banner,
.footer,
.pillars article {
  border-radius: 24px;
}

.hero-panel,
.quote-card,
.pillars article {
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.hero-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  padding: 20px;
}

.hero-panel img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  background: #000;
}

.signal-card,
.audience-row,
.footer-links,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.signal-card span,
.audience-row span {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.cta-row {
  margin: 32px 0 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 600;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: #04100d;
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.section {
  margin-top: 20px;
  padding: 28px;
}

.section-heading {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pillars article {
  padding: 24px;
}

.pillars h3 {
  margin-top: 0;
  margin-bottom: 10px;
}

.two-column {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: center;
}

.feature-list {
  margin: 18px 0 0;
  padding-left: 18px;
  line-height: 1.9;
}

.quote-card {
  padding: 28px;
}

.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
  padding: 18px 24px;
}

@media (max-width: 900px) {
  .hero-grid,
  .section-heading,
  .pillars,
  .two-column,
  .cta-banner,
  .footer {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-copy h1 {
    max-width: 12ch;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 10px;
  }

  .hero,
  .section,
  .footer {
    border-radius: 20px;
    padding: 20px;
  }

  .topbar {
    gap: 10px;
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 28px;
  }

  .hero-copy h1 {
    font-size: clamp(2.8rem, 16vw, 4.2rem);
  }
}
