:root {
  --bg: #06070a;
  --bg-soft: #0d1016;
  --card: rgba(255, 255, 255, 0.04);
  --card-strong: rgba(255, 255, 255, 0.07);
  --text: #f5f7fb;
  --muted: #a4adbb;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #7c9cff;
  --accent-2: #8ef0d1;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(124, 156, 255, 0.18), transparent 35%),
    radial-gradient(circle at top right, rgba(142, 240, 209, 0.12), transparent 30%),
    var(--bg);
  color: var(--text);
}

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

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

.narrow {
  max-width: 860px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(6, 7, 10, 0.7);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 76px;
}

.logo {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.96rem;
}

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

.hero {
  padding: 70px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow,
.section-label {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  margin: 0 0 16px;
}

.hero h1,
.section h2 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 5.6rem);
  max-width: 720px;
}

.hero-text,
.section-text {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.hero-text {
  max-width: 660px;
  margin: 24px 0 0;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.18s ease, opacity 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #071019;
}

.btn-secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.hero-stats {
  display: flex;
  gap: 18px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.stat {
  min-width: 160px;
  padding: 18px 18px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.stat strong {
  display: block;
  font-size: 1rem;
}

.stat span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.phone-shell {
  display: flex;
  justify-content: center;
}

.phone-screen {
  width: 360px;
  max-width: 100%;
  padding: 18px;
  border-radius: 34px;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow);
}

.phone-top {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  padding: 6px 4px 0;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.25);
}

.feed-card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  margin-bottom: 14px;
}

.feed-card.active {
  background: linear-gradient(180deg, rgba(124,156,255,0.16), rgba(255,255,255,0.04));
}

.feed-tag {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.feed-card h3 {
  margin: 0;
  font-size: 1.28rem;
  line-height: 1.2;
}

.feed-card p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.section {
  padding: 90px 0;
}

.section-dark {
  background: rgba(255,255,255,0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section h2 {
  font-size: clamp(2rem, 4.2vw, 3.8rem);
  max-width: 900px;
}

.steps,
.benefits-grid,
.preview-grid {
  display: grid;
  gap: 20px;
  margin-top: 34px;
}

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

.step-card,
.benefit-card,
.preview-card,
.cta-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step-card,
.benefit-card,
.preview-card {
  padding: 24px;
}

.step-number {
  font-size: 0.9rem;
  color: var(--accent-2);
  letter-spacing: 0.14em;
  font-weight: 800;
  margin-bottom: 14px;
}

.step-card h3,
.benefit-card h3,
.preview-card h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.step-card p,
.benefit-card p,
.preview-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

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

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

.preview-card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.85rem;
}

.preview-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--accent-2);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cta-section {
  padding-top: 70px;
}

.cta-box {
  padding: 34px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.92rem;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .hero-grid,
  .steps,
  .preview-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .phone-shell {
    justify-content: flex-start;
  }
}

@media (max-width: 740px) {
  .nav {
    min-height: auto;
    padding: 18px 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .nav-links {
    gap: 16px;
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 42px;
  }

  .section {
    padding: 72px 0;
  }

  .hero-stats {
    flex-direction: column;
  }

  .stat {
    width: 100%;
  }

  .cta-box {
    padding: 26px;
  }
}