* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: url("https://images.unsplash.com/photo-1542038784456-1ea8e935640e?q=80&w=2070&auto=format&fit=crop")
    no-repeat center center fixed;
  background-size: cover;
  position: relative;
  display: flex;
  flex-direction: column;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    145deg,
    rgba(135, 206, 250, 0.75) 0%,
    rgba(255, 255, 255, 0.7) 100%
  );
  backdrop-filter: blur(3px);
  z-index: -1;
}

.nav-bar,
.footer {
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0, 120, 200, 0.15);
}

.nav-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.8rem 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

.logo {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #0077be, #a3d8ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 2px 5px rgba(0, 160, 255, 0.2);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  font-weight: 500;
}

.nav-links a {
  text-decoration: none;
  color: #0a3450;
  font-size: 1.1rem;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: 0.2s;
}

.nav-links a:hover {
  border-bottom-color: #0099ff;
  color: #005c99;
}

.main-content {
  flex: 1;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
  padding: 1rem 2rem 2rem;
}

section {
  scroll-margin-top: 90px;
  margin-bottom: 5rem;
}

.banner {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  padding: 2rem;
  box-shadow: 0 25px 40px -10px rgba(0, 150, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.banner-content h1 {
  font-size: clamp(2.4rem, 10vw, 5.2rem);
  font-weight: 800;
  background: linear-gradient(130deg, #02457a, #6fc2ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.banner-content h2 {
  font-size: clamp(1.2rem, 4vw, 2.2rem);
  font-weight: 400;
  color: #113855;
  margin-bottom: 2rem;
  text-shadow: 0 2px 5px rgba(255, 255, 255, 0.5);
}

.banner-content p {
  font-size: 1.3rem;
  max-width: 750px;
  margin: 0 auto;
  color: #1c405b;
  background: rgba(255, 255, 255, 0.3);
  padding: 1.2rem 2rem;
  border-radius: 60px;
  backdrop-filter: blur(2px);
  border: 1px solid white;
}

.intro-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  align-items: center;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
  border-radius: 40px;
  padding: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.intro-text {
  flex: 1 1 300px;
}

.section-tag {
  font-size: 0.9rem;
  letter-spacing: 3px;
  color: #0165a0;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.intro-text h3 {
  font-size: 2.5rem;
  font-weight: 600;
  color: #043753;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.intro-text p {
  font-size: 1.25rem;
  color: #103f5e;
  margin-bottom: 1.5rem;
  padding-right: 1rem;
  font-weight: 400;
}

.intro-highlight {
  background: rgba(255, 255, 255, 0.4);
  padding: 1rem 1.8rem;
  border-radius: 40px;
  display: inline-block;
  font-weight: 500;
  border-left: 5px solid #3fa9ff;
}

.intro-screens {
  flex: 1 1 300px;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  justify-content: center;
}

.intro-screens img {
  width: clamp(130px, 18vw, 180px);
  height: auto;
  border-radius: 30px;
  box-shadow: 0 20px 30px -5px rgba(0, 80, 130, 0.4);
  border: 3px solid white;
  transition: transform 0.3s ease;
  object-fit: cover;
  aspect-ratio: 9/19;
  background: #eef9ff;
}

.intro-screens img:hover {
  transform: translateY(-10px) rotate(1deg);
}

.features-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
  border-radius: 40px;
  padding: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.features-cards {
  flex: 2 1 400px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.8rem;
}

.card {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(4px);
  padding: 1.8rem 1.2rem;
  border-radius: 32px;
  border: 1px solid white;
  box-shadow: 0 8px 20px rgba(0, 140, 210, 0.15);
  transition: all 0.2s;
}

.card:hover {
  background: rgba(255, 255, 255, 0.75);
  transform: scale(1.02);
}

.card h4 {
  font-size: 1.8rem;
  font-weight: 600;
  color: #02457a;
  margin-bottom: 0.5rem;
}

.card p {
  color: #10436b;
  font-size: 1rem;
  line-height: 1.5;
}

.feature-screenshot {
  flex: 1 1 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.feature-screenshot img {
  width: 100%;
  max-width: 220px;
  border-radius: 40px;
  border: 4px solid white;
  box-shadow: 0 15px 25px -8px #0080b0;
  aspect-ratio: 9/19;
  object-fit: cover;
  background: #c2e4ff;
}

.feature-screenshot p {
  font-weight: 600;
  color: #012b44;
  background: rgba(255, 255, 255, 0.5);
  padding: 0.5rem 1rem;
  border-radius: 30px;
}

.screenshot-grid {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  border-radius: 40px;
  padding: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  text-align: center;
}

.screenshot-grid h3 {
  font-size: 2.5rem;
  color: #043753;
  margin-bottom: 2rem;
}

.shots {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.shots img {
  width: clamp(150px, 22vw, 220px);
  border-radius: 40px;
  border: 4px solid white;
  box-shadow: 0 25px 30px -12px #006ba8;
  transition: 0.25s;
  aspect-ratio: 9/19;
  object-fit: cover;
}

.shots img:hover {
  transform: scale(1.05) rotate(1.5deg);
  border-color: #cceeff;
}

.footer {
  padding: 2rem;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.7);
  color: #02457a;
  font-weight: 500;
  backdrop-filter: blur(10px);
  margin-top: 2rem;
}

.footer a {
  color: #004c80;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px dotted;
}

.footer a:hover {
  color: #002642;
}

.footer p {
  margin: 0.4rem 0;
}

@media (max-width: 700px) {
  .nav-bar {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.8rem;
  }
  .nav-links {
    gap: 1rem;
    justify-content: center;
  }
  .banner {
    min-height: 60vh;
  }
  .intro-grid,
  .features-grid {
    padding: 1.8rem;
  }
  .card h4 {
    font-size: 1.6rem;
  }
}

@media (max-width: 450px) {
  .intro-screens img {
    width: 130px;
  }
  .shots img {
    width: 150px;
  }
}

.no-download {
  display: none;
}