:root {
  --bg: #07111f;
  --bg-elevated: rgba(18, 32, 53, 0.78);
  --card: rgba(11, 25, 43, 0.92);
  --line: rgba(131, 177, 255, 0.16);
  --text: #f5f8ff;
  --muted: #a6b8d5;
  --accent: #67e8f9;
  --accent-strong: #8b5cf6;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(103, 232, 249, 0.12), transparent 30%),
    radial-gradient(circle at top right, rgba(139, 92, 246, 0.12), transparent 30%),
    linear-gradient(180deg, #07111f 0%, #091827 100%);
}

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

.page-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.site-header,
.site-footer,
.hero,
.feature-section,
.workflow-section,
.privacy-section,
.cta-section {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.site-header,
.site-footer,
.hero,
.feature-section,
.workflow-section,
.privacy-section,
.cta-section {
  border-radius: 28px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  position: sticky;
  top: 16px;
  z-index: 5;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #08111d;
}

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

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

main {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  padding: 48px;
}

.eyebrow,
.panel-label,
.feature-index,
.workflow-grid span {
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
}

.hero h1,
.section-heading h2,
.cta-section h2 {
  margin: 0;
  line-height: 1.02;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  max-width: 12ch;
}

.hero-text,
.feature-card p,
.workflow-grid p,
.privacy-grid p,
.site-footer p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: 1.05rem;
}

.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 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #08111d;
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
}

.hero-panel {
  border-radius: 24px;
  border: 1px solid rgba(103, 232, 249, 0.18);
  background: linear-gradient(180deg, rgba(103, 232, 249, 0.08), rgba(139, 92, 246, 0.08));
  padding: 24px;
}

.hero-panel ol {
  margin: 18px 0;
  padding-left: 20px;
  line-height: 1.8;
}

.panel-status {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--muted);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.85);
}

.feature-section,
.workflow-section,
.privacy-section,
.cta-section {
  padding: 36px;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.section-heading h2,
.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  max-width: 14ch;
}

.feature-grid,
.privacy-grid,
.workflow-grid {
  display: grid;
  gap: 18px;
}

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

.feature-card,
.privacy-grid > div,
.workflow-grid article {
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--card);
  padding: 24px;
}

.feature-card h3,
.privacy-grid h3,
.workflow-grid h3 {
  margin: 14px 0 10px;
}

.feature-index {
  color: var(--accent);
  font-size: 0.76rem;
}

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

.workflow-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(103, 232, 249, 0.12);
  color: var(--accent);
}

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

.cta-section {
  text-align: left;
}

.site-footer {
  display: grid;
  gap: 4px;
  margin-top: 24px;
  padding: 24px;
}

@media (max-width: 960px) {
  .hero,
  .feature-grid,
  .workflow-grid,
  .privacy-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .hero {
    padding: 32px 24px;
  }

  .feature-section,
  .workflow-section,
  .privacy-section,
  .cta-section {
    padding: 28px 24px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 24px, 1180px);
    padding-top: 12px;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .site-nav {
    gap: 12px;
  }
}