* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, #273a59 0%, #101722 45%, #080b10 100%);
  color: #ffffff;
  font-family:
    Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.navbar {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 19px;
  font-weight: 700;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  object-fit: cover;
}

nav {
  display: flex;
  gap: 25px;
}

nav a,
footer a {
  color: #c8d2df;
}

nav a:hover,
footer a:hover {
  color: #ffffff;
}

.hero {
  width: min(820px, calc(100% - 40px));
  margin: 80px auto 90px;
  text-align: center;
}

.app-icon {
  width: 150px;
  height: 150px;
  border-radius: 34px;
  object-fit: cover;
  box-shadow: 0 25px 65px rgba(0, 0, 0, 0.45);
}

h1 {
  margin: 30px 0 16px;
  font-size: clamp(42px, 8vw, 76px);
  line-height: 1.03;
  letter-spacing: -3px;
}

.hero p {
  max-width: 650px;
  margin: 0 auto 32px;
  color: #bdc8d6;
  font-size: 20px;
  line-height: 1.7;
}

.button {
  display: inline-block;
  padding: 15px 25px;
  border-radius: 14px;
  background: #ffffff;
  color: #101722;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.features {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto 100px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.features article {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(12px);
}

.feature-icon {
  font-size: 34px;
}

.features h2 {
  margin: 18px 0 10px;
}

.features p {
  margin: 0;
  color: #b9c4d1;
  line-height: 1.65;
}

footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 30px 0 45px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #929ead;
}

footer div {
  display: flex;
  gap: 20px;
}

@media (max-width: 760px) {
  .navbar {
    align-items: flex-start;
  }

  nav {
    gap: 13px;
    font-size: 14px;
  }

  .brand span {
    display: none;
  }

  .hero {
    margin-top: 55px;
  }

  .features {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
  }
}