@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");

:root {
  --primary: #1c5bd7;
  --text: #111111;
  --text-secondary: #666666;
  --border: #ebebeb;
  --white: #ffffff;
  --dark: #000000;
  --hero-text: rgba(255, 255, 255, 0.85);
  --hero-muted: rgba(255, 255, 255, 0.64);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.container {
  width: min(100% - 96px, 1120px);
  margin: 0 auto;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
  background: var(--white);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
}

.brand-primary {
  color: var(--primary);
}

.brand-white {
  color: var(--white);
}

.brand-logo {
  display: block;
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand-large {
  font-size: 22px;
}

.brand-large .brand-logo {
  width: 58px;
  height: 58px;
}

.nav-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 20px;
  border-radius: 8px;
  background: var(--primary);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
}

.hero {
  min-height: 528px;
  padding: 64px 0 0;
  background: var(--primary);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  align-items: center;
  min-height: 528px;
  gap: 48px;
}

.hero-copy {
  padding: 48px 0 64px;
}

.hero h1 {
  max-width: 560px;
  margin: 0;
  color: var(--white);
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero p {
  max-width: 520px;
  margin: 16px 0 0;
  color: var(--hero-text);
  font-size: 16px;
  line-height: 1.6;
}

.button-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-buttons {
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 14px 28px;
  border-radius: 10px;
  border: 2px solid transparent;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.btn i {
  font-size: 18px;
}

.btn-dark {
  background: var(--dark);
  color: var(--white);
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-outline-light {
  border-color: var(--white);
  background: var(--primary);
  color: var(--white);
}

.availability {
  display: block;
  margin-top: 10px;
  color: var(--hero-muted);
  font-size: 13px;
  font-weight: 500;
}

.phone-stage {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 32px 0 36px;
}

.app-mockup {
  display: block;
  width: min(100%, 286px);
  height: auto;
  filter: drop-shadow(0 22px 42px rgba(6, 22, 59, 0.24));
  transform: rotate(-4deg);
}

.about {
  padding: 80px 0 48px;
  text-align: center;
}

.narrow {
  max-width: 680px;
}

.overline {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.about h2,
.download-cta h2 {
  margin: 12px auto 0;
  color: var(--text);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0;
}

.about h2 {
  max-width: 560px;
}

.about p {
  max-width: 620px;
  margin: 16px auto 0;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.6;
}

.features {
  padding: 0 0 80px;
  background: var(--white);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  max-width: 960px;
}

.feature-card {
  min-height: 176px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #eaf1ff;
  color: var(--primary);
}

.feature-icon i {
  font-size: 24px;
}

.feature-card h3 {
  margin: 18px 0 0;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
}

.feature-card p {
  margin: 8px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

.download-cta {
  padding: 0 0 80px;
  text-align: center;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.download-cta h2 {
  max-width: 620px;
  font-size: 28px;
}

.download-cta p {
  margin: 8px 0 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.cta-buttons {
  justify-content: center;
  margin-top: 20px;
}

.footer {
  padding: 40px 0;
  background: var(--primary);
  color: var(--white);
}

.footer .brand-logo {
  width: 36px;
  height: 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  align-items: center;
  gap: 36px;
}

.copyright {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 12px;
}

.footer-contact,
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
}

.footer-contact strong {
  font-size: 13px;
  font-weight: 700;
}

.footer-contact a,
.footer-links a {
  color: rgba(255, 255, 255, 0.76);
}

.footer-links {
  align-items: flex-end;
}

@media (max-width: 767px) {
  .container {
    width: min(100% - 32px, 560px);
  }

  .nav-inner {
    min-height: 56px;
  }

  .brand {
    gap: 7px;
    font-size: 17px;
  }

  .brand-logo {
    width: 34px;
    height: 34px;
  }

  .nav-download {
    min-height: 36px;
    padding: 8px 12px;
    gap: 6px;
    font-size: 12px;
  }

  .nav-download i {
    font-size: 15px;
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
  }

  .hero-grid {
    display: flex;
    min-height: 690px;
    flex-direction: column;
    gap: 18px;
    justify-content: flex-start;
  }

  .hero-copy {
    width: 100%;
    padding: 40px 0 0;
    text-align: center;
  }

  .hero h1 {
    max-width: 420px;
    margin: 0 auto;
    font-size: 28px;
  }

  .hero p {
    max-width: 360px;
    margin: 12px auto 0;
    font-size: 14px;
    line-height: 1.55;
  }

  .button-row {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons {
    margin-top: 20px;
  }

  .btn {
    width: 100%;
    min-height: 46px;
    padding: 13px 18px;
  }

  .phone-stage {
    width: 100%;
    padding: 0 0 44px;
  }

  .app-mockup {
    width: min(100%, 226px);
    transform: none;
  }

  .about {
    padding: 54px 0 32px;
  }

  .about h2,
  .download-cta h2 {
    font-size: 24px;
  }

  .about p {
    font-size: 14px;
  }

  .features {
    padding-bottom: 60px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    min-height: 0;
    padding: 24px;
  }

  .download-cta {
    padding-bottom: 64px;
  }

  .brand-large {
    font-size: 21px;
  }

  .brand-large .brand-logo {
    width: 54px;
    height: 54px;
  }

  .download-cta h2 {
    max-width: 330px;
    margin-top: 16px;
  }

  .cta-buttons {
    width: 100%;
  }

  .footer {
    padding: 38px 0;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer .brand {
    justify-content: center;
  }

  .footer-links {
    align-items: center;
  }
}