:root {
  color-scheme: light;
}
html, body {
  overflow-x: hidden;
  max-width: 100%;
}
body {
  margin: 0;
  background: #ffffff;
  color: #1a1a1c;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}
.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 24px 96px;
}
.wrap-wide {
  max-width: 1080px;
}
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}
.topnav .links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
@media (max-width: 420px) {
  .topnav .links {
    gap: 12px;
    font-size: 14px;
  }
  .hero h1 {
    font-size: 30px;
  }
}
.topnav .links a {
  color: #1a1a1c;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}
.topnav .links a:hover {
  color: #00b1cc;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}
.brand .mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #57d5ff, #34dbf8 25%, #00e1ec 50%, #00e5db 75%, #18e9c7);
}
.brand span {
  font-size: 20px;
  font-weight: 700;
}
h1 {
  font-size: 28px;
  margin-bottom: 4px;
}
.updated {
  color: #5c5c60;
  font-size: 13px;
  margin-bottom: 32px;
}
h2 {
  font-size: 19px;
  margin-top: 36px;
}
p, li {
  color: #3a3a3e;
  font-size: 15px;
}
a {
  color: #00b1cc;
}
a:hover {
  color: #00CAE0;
}
.hero {
  padding: 24px 0 8px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 800px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}
.hero h1 {
  font-size: 44px;
  line-height: 1.15;
  margin-bottom: 12px;
  color: #1a1a1c;
}
.hero p.lead {
  font-size: 18px;
  color: #5c5c60;
  max-width: 520px;
}
.phone-frame {
  max-width: 280px;
  margin: 0 auto;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid #e3e3e6;
  box-shadow: 0 24px 60px -20px rgba(0, 202, 224, 0.25);
}
.phone-frame img {
  width: 100%;
  display: block;
}
.section {
  margin-top: 72px;
}
.section-head {
  text-align: center;
  margin-bottom: 32px;
}
.section-head h2 {
  font-size: 28px;
  margin-bottom: 8px;
  color: #1a1a1c;
}
.section-head p {
  color: #5c5c60;
  margin: 0;
}
.trust-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 24px;
  color: #5c5c60;
  font-size: 14px;
}
.sample-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (min-width: 700px) {
  .sample-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.sample-grid img {
  width: 100%;
  border-radius: 14px;
  display: block;
  border: 1px solid #e3e3e6;
}
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.video-grid video {
  width: 100%;
  border-radius: 14px;
  display: block;
  border: 1px solid #e3e3e6;
  background: #000;
}
.cta-banner {
  text-align: center;
  padding: 48px 24px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(87,213,255,0.14), rgba(24,233,199,0.14));
  border: 1px solid #cdf3f8;
}
.cta-banner h2 {
  font-size: 26px;
  margin-bottom: 8px;
  color: #1a1a1c;
}
.hero-mark {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  margin-bottom: 24px;
  display: block;
}
.nav-logo {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  display: block;
}
.cta-row {
  display: flex;
  gap: 12px;
  margin: 28px 0 8px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}
.btn-primary {
  background: linear-gradient(90deg, #57d5ff, #34dbf8 25%, #00e1ec 50%, #00e5db 75%, #18e9c7);
  color: #0b0b0c;
}
.btn-secondary {
  border: 1px solid #d0d0d3;
  color: #1a1a1c;
}
.btn-secondary:hover {
  border-color: #00b1cc;
  color: #00b1cc;
}
.store-row {
  display: flex;
  gap: 12px;
  margin: 24px 0 8px;
  flex-wrap: wrap;
}
.store-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 12px;
  background: linear-gradient(90deg, #57d5ff, #34dbf8 25%, #00e1ec 50%, #00e5db 75%, #18e9c7);
  border: 1px solid transparent;
  text-decoration: none;
  color: #0b0b0c;
}
.store-btn:hover {
  opacity: 0.9;
}
.store-btn.disabled {
  background: #f1f1f3;
  color: #5c5c60;
  opacity: 1;
  pointer-events: none;
}
.store-btn .icon {
  font-size: 22px;
}
.store-btn .label small {
  display: block;
  font-size: 11px;
  opacity: 0.8;
}
.store-btn .label strong {
  font-size: 15px;
}
.value-props {
  display: flex;
  gap: 24px;
  margin: 8px 0 0;
  flex-wrap: wrap;
  color: #5c5c60;
  font-size: 14px;
}
.step-list {
  display: grid;
  gap: 20px;
  margin: 32px 0;
}
.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.step-num {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #e6fbfd;
  border: 1px solid #cdf3f8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #00838f;
}
.step h3 {
  margin: 0 0 4px;
  font-size: 16px;
  color: #1a1a1c;
}
.step p {
  margin: 0;
}
.feature-grid {
  display: grid;
  gap: 20px;
  margin: 28px 0;
  grid-template-columns: 1fr;
}
@media (min-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.feature-card {
  background: #f8f8f9;
  border: 1px solid #e3e3e6;
  border-radius: 16px;
  padding: 18px 20px;
}
.feature-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: #1a1a1c;
}
.feature-card p {
  margin: 0;
  font-size: 14px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid #e3e3e6;
}
.footer-links a {
  font-size: 14px;
}
footer {
  margin-top: 16px;
  font-size: 13px;
  color: #8a8a8e;
}