* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --black: #1a1a1a;
  --gray: #666;
  --light-gray: #f5f5f5;
  --white: #ffffff;
  --accent: #2e4037;
}
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
body > *:not(footer) {
  flex-shrink: 0;
}
body > main {
  flex: 1;
}
/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  z-index: 1000;
  padding: 1rem 2rem;
}
nav .container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav .logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--black);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
nav .links {
  display: flex;
  gap: 2rem;
}
nav a {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}
nav a:hover {
  color: var(--black);
}
/* Main Content */
main {
  padding: 6rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}
main.narrow {
  max-width: 800px;
}
main h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}
main h2 {
  font-size: 2rem;
  font-weight: 600;
  margin: 3rem 0 1.5rem;
  letter-spacing: -0.02em;
}
main h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 2rem 0 1rem;
}
main p {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  color: var(--gray);
}
main a {
  color: var(--black);
  text-decoration: underline;
}
main a:hover {
  opacity: 0.7;
}
/* Hero Section */
.hero {
  padding: 8rem 2rem 6rem;
  text-align: center;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-text {
  text-align: left;
}
.hero h1 {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.hero p {
  font-size: 1.25rem;
  color: var(--gray);
  margin-bottom: 2rem;
  line-height: 1.6;
}
.download-badge {
  display: inline-block;
  margin-top: 1rem;
}
.download-badge img {
  width: 150px;
  height: auto;
  transition: transform 0.2s;
}
.download-badge:hover img {
  transform: translateY(-2px);
}
/* iPhone Mockup */
.phone-mockup {
  position: relative;
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
}
.phone-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 18.57;
  background: var(--black);
  border-radius: 50px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--light-gray);
  border-radius: 42px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.phone-screen img {
  width: auto;
  height: 100.1%;
  border-radius: 6%;
}
.phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  height: 30px;
  background: var(--black);
  border-radius: 0 0 20px 20px;
  z-index: 10;
}
/* Features Section */
.features {
  padding: 6rem 2rem;
  background: var(--light-gray);
}
.features .container {
  max-width: 1200px;
  margin: 0 auto;
}
.features h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
  letter-spacing: -0.02em;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}
.feature-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 20px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}
.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.feature-card p {
  color: var(--gray);
  line-height: 1.7;
}
/* FAQ Section */
.faq {
  padding: 6rem 2rem;
  background: var(--white);
}
.faq .container {
  max-width: 1200px;
  margin: 0 auto;
}
.faq h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
  letter-spacing: -0.02em;
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}
.faq-item {
  background: var(--light-gray);
  padding: 2rem;
  border-radius: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.faq-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}
.faq-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--black);
}
.faq-item p {
  color: var(--gray);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
}
/* CTA Section */
.cta {
  padding: 6rem 2rem;
  text-align: center;
}
.cta h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.cta p {
  font-size: 1.25rem;
  color: var(--gray);
  margin-bottom: 2rem;
}
/* Footer */
footer {
  padding: 3rem 2rem;
  background: var(--black);
  color: var(--white);
  text-align: center;
}
footer .container {
  max-width: 1200px;
  margin: 0 auto;
}
footer .footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-weight: 700;
  font-size: 1.25rem;
}
footer .footer-logo img {
  width: 40px;
  height: 40px;
}
footer p {
  color: #999;
  font-size: 0.9rem;
}
footer a {
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.2s;
}
footer a:hover {
  opacity: 0.7;
}
/* Responsive */
@media(max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-text {
    text-align: center;
  }
  .hero h1 {
    font-size: 3rem;
  }
  .phone-mockup {
    max-width: 300px;
  }
}
@media(max-width: 640px) {
  main {
    padding: 8rem 1.5rem 3rem;
  }
  main h1 {
    font-size: 2.5rem;
  }
  main h2 {
    font-size: 1.75rem;
  }
  .hero {
    padding: 10rem 1.5rem 4rem;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .hero p {
    font-size: 1.1rem;
  }
  .features h2,
  .cta h2 {
    font-size: 2rem;
  }
  nav .container {
    flex-direction: column;
    gap: 1rem;
  }
}