:root {
  --blue: #007aff;
  --blue-dark: #0051d5;
  --blue-light: #47bfff;
  --bg: #fafbfe;
  --bg-alt: #f0f4fa;
  --text: #1d1d1f;
  --text-muted: #6e6e73;
  --border: #e6ebf3;
  --radius: 16px;
  --shadow: 0 8px 32px rgba(0, 58, 140, 0.12);
  --max-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 251, 254, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 0;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

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

.nav a {
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
}

.nav a:hover,
.nav a.active {
  color: var(--blue);
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 0.875rem;
  background: rgba(0, 122, 255, 0.1);
  color: var(--blue);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
}

.hero p.lead {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(180deg, var(--blue-light), var(--blue));
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 122, 255, 0.35);
}

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

.hero-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 2rem;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

/* Sections */
section {
  padding: 4rem 0;
}

section.alt {
  background: var(--bg-alt);
}

.section-title {
  text-align: center;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 3rem;
}

/* Features grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: box-shadow 0.2s;
}

.feature-card:hover {
  box-shadow: var(--shadow);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 122, 255, 0.1);
  border-radius: 12px;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  counter-reset: step;
}

.step {
  text-align: center;
}

.step-num {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--blue-light), var(--blue));
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: 50%;
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
}

.step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* Store badges */
.store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 1.25rem;
  background: var(--text);
  color: #fff;
  border-radius: 10px;
  font-size: 0.875rem;
  text-decoration: none;
}

.store-badge:hover {
  text-decoration: none;
  opacity: 0.9;
}

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

/* Legal / content pages */
.page-header {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.page-header h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
}

.page-header .meta {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.legal-content {
  padding: 3rem 0 4rem;
  max-width: 720px;
}

.legal-content h2 {
  font-size: 1.375rem;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.01em;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--text-muted);
}

.legal-content ul {
  padding-left: 1.25rem;
}

.legal-content li {
  margin-bottom: 0.5rem;
}

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 3rem 0 4rem;
}

.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.contact-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
}

.contact-card p {
  margin: 0;
  color: var(--text-muted);
}

.contact-card a {
  font-weight: 500;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  background: var(--bg-alt);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
}

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

.footer-copy {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

@media (max-width: 640px) {
  .nav {
    gap: 1rem;
  }

  .nav a:not(.active) {
    display: none;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }
}