:root {
  --bg: #031427;
  --bg-soft: #071f3d;
  --bg-deep: #02101f;
  --card: rgba(8, 30, 56, 0.86);
  --card-strong: rgba(9, 35, 65, 0.94);
  --line: rgba(61, 189, 255, 0.28);
  --line-strong: rgba(61, 189, 255, 0.54);
  --text: #e8f4ff;
  --muted: #a9bfd6;
  --accent: #33d7ff;
  --accent-soft: rgba(51, 215, 255, 0.16);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 12%, rgba(51, 215, 255, 0.14), transparent 24%),
    radial-gradient(circle at 82% 18%, rgba(51, 215, 255, 0.1), transparent 22%),
    linear-gradient(180deg, #041427 0%, #031224 38%, #020d19 100%);
}

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

.page-shell {
  min-height: 100vh;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(20px);
  background: rgba(2, 16, 31, 0.84);
  border-bottom: 1px solid rgba(61, 189, 255, 0.16);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  height: 54px;
  padding: 0 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.08em;
  box-shadow: 0 0 24px rgba(51, 215, 255, 0.12);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex: 1 1 auto;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  font-size: 15px;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 16px;
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.header-cta,
.btn-primary {
  background: linear-gradient(135deg, rgba(51, 215, 255, 0.18), rgba(18, 84, 135, 0.42));
  border: 1px solid var(--line-strong);
  color: var(--text);
}

.btn-secondary {
  border: 1px solid var(--line);
  background: rgba(4, 25, 46, 0.5);
  color: var(--text);
}

.header-cta:hover,
.btn:hover {
  transform: translateY(-1px);
}

.hero-section,
.content-section {
  position: relative;
  padding: 44px 0;
}

.hero-section {
  padding-top: 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 34px;
  align-items: start;
}

.hero-copy,
.hero-panel,
.info-card,
.format-card,
.deep-card,
.cta-band {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(7, 28, 52, 0.88), rgba(4, 19, 37, 0.92));
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel {
  border-radius: var(--radius-xl);
  padding: 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

h1 {
  margin-top: 20px;
  font-size: clamp(36px, 4.4vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

h2 {
  margin-top: 18px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

h3 {
  font-size: 22px;
  line-height: 1.18;
}

.lead,
.section-heading p,
.info-card p,
.format-card p,
.deep-card p,
.footer-brand p,
.cta-band p,
.stat-card span,
.signal-list li,
.check-list li {
  color: var(--muted);
  line-height: 1.7;
}

.lead {
  margin-top: 18px;
  font-size: 18px;
}

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

.panel-card {
  border-radius: 24px;
  padding: 24px;
  border: 1px solid rgba(61, 189, 255, 0.24);
  background: rgba(4, 22, 42, 0.72);
}

.panel-highlight {
  margin-bottom: 18px;
}

.panel-kicker {
  margin-bottom: 14px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 12px;
}

.signal-list,
.check-list {
  padding-left: 20px;
}

.signal-list li + li,
.check-list li + li {
  margin-top: 10px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.stat-card {
  min-height: 140px;
  padding: 22px;
  border-radius: 22px;
  border: 1px solid rgba(61, 189, 255, 0.22);
  background: rgba(4, 22, 42, 0.72);
}

.stat-card strong {
  display: block;
  margin-bottom: 12px;
  color: var(--text);
  font-size: 24px;
  line-height: 1.12;
}

.section-grid {
  display: grid;
  gap: 26px;
}

.section-heading {
  max-width: 860px;
}

.section-heading-wide {
  margin-bottom: 26px;
}

.cards-grid {
  display: grid;
  gap: 18px;
}

.cards-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card,
.format-card,
.deep-card {
  border-radius: var(--radius-lg);
  padding: 28px;
}

.info-card h3,
.format-card h3,
.deep-card h2 {
  margin-bottom: 16px;
}

.partnership-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.check-list {
  margin-top: 18px;
}

.cta-band {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: 24px;
  align-items: center;
  border-radius: var(--radius-xl);
  padding: 34px;
}

.cta-actions {
  display: grid;
  gap: 12px;
}

.site-footer {
  padding: 22px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 480px);
  gap: 24px;
  border-top: 1px solid rgba(61, 189, 255, 0.16);
  padding-top: 24px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
}

.footer-links a {
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--text);
}

@media (max-width: 1100px) {
  .hero-grid,
  .cta-band,
  .footer-grid,
  .partnership-layout,
  .cards-grid-3,
  .cards-grid-2 {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    order: -1;
  }
}

@media (max-width: 860px) {
  .site-header {
    position: static;
  }

  .header-row {
    min-height: auto;
    padding: 18px 0;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav {
    justify-content: flex-start;
    gap: 14px 18px;
  }

  .header-cta {
    width: 100%;
  }

  .hero-copy,
  .hero-panel,
  .cta-band,
  .info-card,
  .format-card,
  .deep-card {
    padding: 24px;
  }

  .stats-grid,
  .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(var(--container), calc(100% - 24px));
  }

  .hero-section,
  .content-section {
    padding: 22px 0;
  }

  .hero-section {
    padding-top: 26px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 26px;
  }

  .lead {
    font-size: 16px;
  }

  .site-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions,
  .cta-actions {
    grid-template-columns: 1fr;
  }

  .btn,
  .header-cta {
    width: 100%;
  }
}
