@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #f4f6fb;
  --surface: #fff;
  --text: #0b1220;
  --muted: #5b6676;
  --border: #e6e9f2;
  --accent: #2f6fed;
  --accent-dark: #2459c6;
  --accent-soft: rgb(47 111 237 / 12%);
  --shadow: 0 10px 30px rgb(15 23 42 / 8%);
}

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

body {
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    sans-serif;
  background: linear-gradient(180deg, #f8f9fd 0%, #f1f4fb 100%);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizelegibility;
  scroll-behavior: smooth;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

section,
footer {
  width: min(100% - 2rem, 960px);
  margin: 0 auto 24px;
}

.hero {
  padding: 56px 24px 32px;
  text-align: left;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.subtitle {
  font-size: clamp(1.1rem, 2.8vw, 1.4rem);
  color: var(--muted);
  margin-bottom: 16px;
}

.hero-note {
  color: var(--muted);
  margin-bottom: 20px;
}

.urgency-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-weight: 600;
  padding: 8px 14px;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  margin-right: 10px;
  box-shadow: var(--shadow);
}

.cta-button:hover,
.cta-button:focus {
  text-decoration: none;
  filter: brightness(0.95);
}

.cta-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
}

.social-proof {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow);
}

.social-proof-title {
  font-weight: 600;
  color: var(--text);
}

.social-proof .stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.stat-number {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  color: var(--muted);
  font-size: 0.95rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.section-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  font-size: 1.2rem;
}

.section-header h2 {
  font-size: clamp(1.35rem, 3vw, 1.8rem);
}

.section-lead {
  color: var(--muted);
  margin-bottom: 16px;
}

.interactive-demo {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 18px;
  background: #f9fbff;
}

.component-grid,
.os-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.component-card,
.os-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  background: #fff;
  box-shadow: 0 8px 18px rgb(15 23 42 / 4%);
}

.component-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.component-image,
.os-image {
  width: 64px;
  height: 64px;
  border-radius: 10px;
  object-fit: contain;
  background: #f1f4fb;
}

.component-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.note {
  margin-top: 10px;
  color: var(--accent);
  font-weight: 600;
}

.os-card {
  text-align: left;
}

.os-card h3 {
  margin-bottom: 6px;
  font-size: 1.1rem;
}

.cycle {
  background: #fafbff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 8px 18px rgb(15 23 42 / 4%);
}

.cycle-title {
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.cycle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  text-align: center;
}

.facts {
  background: #fff9fb;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 8px 18px rgb(15 23 42 / 4%);
}

.facts-title {
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.facts-list {
  list-style: none;
  display: grid;
  gap: 12px;
}

.fact-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: center;
  box-shadow: 0 6px 14px rgb(15 23 42 / 3%);
}

.fact-image {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
}

.highlight {
  background: #f0f6ff;
}

.highlight-title {
  margin-bottom: 12px;
}

.highlight-text {
  color: var(--muted);
  margin-bottom: 16px;
}

footer {
  background: transparent;
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  text-align: center;
  color: var(--muted);
}

.footer-main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  align-items: start;
  padding-bottom: 18px;
  text-align: left;
}

.footer-label {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.footer-links {
  display: grid;
  gap: 6px;
}

.footer-title {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.footer-note {
  margin-bottom: 16px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  color: var(--accent);
  background: #fff;
  box-shadow: 0 8px 16px rgb(15 23 42 / 8%);
}

.social-icon:hover,
.social-icon:focus {
  text-decoration: none;
  border-color: var(--accent);
}

@media (width <= 720px) {
  .hero {
    text-align: left;
    padding: 48px 20px 24px;
  }

  .card {
    padding: 22px;
  }

  .fact-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-main {
    text-align: left;
  }
}