:root {
  --bg: #f9fafc;
  --text: #111827;
  --muted: #4b5563;
  --accent-start: #7f5af0;
  --accent-end: #92c5fd;
  --card: #ffffff;
  --border: rgba(17, 24, 39, 0.08);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
    sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container {
  width: min(1120px, 90vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(249, 250, 252, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  z-index: 20;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  color: #fff;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.link-button {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(126, 134, 163, 0.4);
  font-weight: 500;
  transition: all 0.2s ease;
}

.link-button:hover {
  border-color: rgba(126, 134, 163, 0.8);
}

.hero {
  padding: 6rem 0 4rem;
  background: radial-gradient(60% 90% at 15% 10%, rgba(146, 197, 253, 0.4), transparent),
    radial-gradient(45% 70% at 85% 20%, rgba(127, 90, 240, 0.35), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  background: rgba(127, 90, 240, 0.12);
  color: rgba(79, 70, 229, 1);
  border-radius: 999px;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  line-height: 1.1;
  margin-top: 1.5rem;
  font-weight: 700;
}

.subtitle {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

.primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  color: #fff;
  padding: 0.8rem 1.8rem;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(127, 90, 240, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(127, 90, 240, 0.3);
}

.secondary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-weight: 600;
  transition: border-color 0.2s ease;
}

.secondary-cta:hover {
  border-color: rgba(107, 114, 128, 1);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-image {
  width: clamp(260px, 40vw, 420px);
  height: auto;
  border-radius: 28px;
  box-shadow: 0 30px 60px rgba(79, 70, 229, 0.18), 0 10px 24px rgba(16, 24, 39, 0.12);
}

.phone-frame {
  width: clamp(260px, 35vw, 320px);
  background: linear-gradient(145deg, #e0e7ff, #f5f3ff);
  border-radius: 32px;
  padding: 1.5rem;
  box-shadow: 0 30px 60px rgba(79, 70, 229, 0.15);
}

.phone-screen {
  background: #101122;
  border-radius: 24px;
  padding: 1.75rem 1.5rem;
  color: #e8ecff;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.counter-card {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 1.25rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.counter-label {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: rgba(232, 236, 255, 0.72);
}

.counter-value {
  font-size: 3rem;
  font-weight: 700;
  margin: 0.75rem 0;
}

.counter-note {
  font-size: 0.9rem;
  color: rgba(232, 236, 255, 0.7);
}

.stat-row {
  display: flex;
  gap: 1rem;
}

.stat {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 1rem;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.4rem;
  font-weight: 600;
}

.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(232, 236, 255, 0.6);
}

.session-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.session-item {
  display: flex;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  font-size: 0.95rem;
}

.section {
  padding: 5rem 0;
}

.section h2 {
  text-align: center;
  font-size: clamp(2rem, 3vw, 2.5rem);
  margin-bottom: 2.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--card);
  border-radius: 18px;
  padding: 2rem;
  border: 1px solid var(--border);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.05);
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--muted);
}

.alt {
  background: linear-gradient(180deg, rgba(146, 197, 253, 0.18), transparent);
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: start;
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.step-list li {
  display: grid;
  grid-template-columns: 48px auto;
  gap: 1.25rem;
  align-items: start;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.step-list h4 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.step-list p {
  color: var(--muted);
}

.card-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card {
  background: var(--card);
  border-radius: 18px;
  padding: 1.8rem;
  border: 1px solid var(--border);
  box-shadow: 0 16px 30px rgba(127, 90, 240, 0.12);
}

.center {
  text-align: center;
}

.download-copy {
  max-width: 540px;
  margin: 0 auto 1.8rem;
  color: var(--muted);
}

.primary-cta.large {
  padding: 1rem 2.4rem;
  font-size: 1.05rem;
}

.note {
  margin-top: 1rem;
  color: rgba(71, 85, 105, 0.75);
}

.site-footer {
  background: #0b1120;
  color: rgba(226, 232, 240, 0.9);
  padding: 3rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(226, 232, 240, 0.8);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #fff;
}

.footer-note {
  text-align: right;
  color: rgba(148, 163, 184, 0.7);
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 5rem;
  }

  .site-footer {
    text-align: center;
  }

  .footer-note {
    text-align: center;
  }
}