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

:root {
  color-scheme: light;
  --soft-blue: #eaf2ff;
  --deep-blue: #1d4ed8;
  --mid-blue: #3b82f6;
  --ink: #0f172a;
  --muted: #475569;
  --border: #d0d7e6;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  line-height: 1.6;
}

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

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--deep-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

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

.hero {
  padding: 4rem 0 3rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.hero p {
  max-width: 650px;
  font-size: 1.15rem;
  color: var(--muted);
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  border: none;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
  background: var(--deep-blue);
  color: #fff;
  box-shadow: 0 12px 25px rgba(29, 78, 216, 0.2);
}

.btn.secondary {
  background: transparent;
  border: 1px solid var(--deep-blue);
  color: var(--deep-blue);
}

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

.features,
.security,
.pricing,
.policy,
.terms {
  padding: 3rem 0;
}

.section-heading {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--mid-blue);
}

.features-grid,
.pricing-grid {
  display: grid;
  gap: 1rem;
}

.feature-card,
.security-card,
.pricing-card {
  background: var(--soft-blue);
  border-radius: 20px;
  padding: 1.75rem;
  border: 1px solid transparent;
  transition: border 0.3s ease, transform 0.3s ease;
}

.feature-card:hover,
.pricing-card:hover {
  border-color: var(--mid-blue);
  transform: translateY(-4px);
}

.feature-card h3,
.security-card h3,
.pricing-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

.security-grid {
  display: grid;
  gap: 1rem;
}

.security-card {
  background: #fff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.pricing-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.pricing-card {
  background: #fff;
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.08);
}

.pricing-card p {
  margin: 0.35rem 0;
  color: var(--muted);
}

.pricing-card .price {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--deep-blue);
  margin: 0.4rem 0 0.2rem;
}

.security-subtext {
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.95rem;
  color: var(--muted);
}

.footer-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  margin-bottom: 0.5rem;
}

.footer-link {
  color: var(--mid-blue);
  margin: 0 0.75rem;
}

.contact-line {
  margin-top: 0.5rem;
}

.policy-content,
.terms-content {
  padding: 3rem 0;
}

.content-block {
  border-left: 4px solid var(--mid-blue);
  padding-left: 1rem;
  margin-bottom: 1.5rem;
}

.content-block h2 {
  margin-top: 0;
  font-size: 1.6rem;
  color: var(--ink);
}

.content-block p {
  margin-bottom: 0.6rem;
  color: var(--muted);
}

.content-block ul {
  padding-left: 1.2rem;
  color: var(--muted);
}

.subtle-note {
  color: var(--muted);
  font-size: 0.9rem;
}

@media (min-width: 640px) {
  .hero-actions {
    flex-wrap: nowrap;
  }

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

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

@media (min-width: 1024px) {
  .hero {
    padding-top: 5rem;
  }

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