* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --background: #020818;
  --surface: rgba(7, 24, 64, 0.78);
  --surface-raised: rgba(10, 38, 94, 0.84);
  --border: rgba(111, 174, 255, 0.26);
  --primary: #27d7ff;
  --primary-strong: #1887ff;
  --text: #f7f9ff;
  --muted: #b4c7ea;
  --shadow: 0 1.75rem 5rem rgba(0, 5, 24, 0.52);
}

html {
  background: var(--background);
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 78% 8%, rgba(20, 104, 255, 0.3), transparent 30rem),
    radial-gradient(circle at 10% 34%, rgba(0, 207, 255, 0.13), transparent 26rem),
    linear-gradient(145deg, #020818 0%, #061a49 48%, #02081b 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(117, 171, 255, 0.035) 0.0625rem, transparent 0.0625rem),
    linear-gradient(90deg, rgba(117, 171, 255, 0.035) 0.0625rem, transparent 0.0625rem);
  background-size: 4rem 4rem;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

main {
  width: min(calc(100% - 3rem), 76rem);
  margin: 0 auto;
  padding: 3rem 0 2rem;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(9rem, 13rem) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  min-height: 34rem;
  padding: clamp(2rem, 6vw, 5rem);
  overflow: hidden;
  border: 0.0625rem solid var(--border);
  border-radius: 2.25rem;
  background:
    linear-gradient(130deg, rgba(3, 13, 43, 0.94), rgba(5, 47, 133, 0.72)),
    radial-gradient(circle at 15% 15%, rgba(39, 215, 255, 0.2), transparent 24rem);
  box-shadow: var(--shadow);
  isolation: isolate;
}

.hero::after {
  position: absolute;
  right: -8rem;
  bottom: -17rem;
  z-index: -1;
  width: 42rem;
  height: 30rem;
  border: 0.125rem solid rgba(62, 162, 255, 0.45);
  border-radius: 50%;
  box-shadow: 0 0 5rem rgba(22, 115, 255, 0.45);
  content: "";
  transform: rotate(-14deg);
}

.app-icon {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22%;
  box-shadow:
    0 1.5rem 3rem rgba(0, 4, 22, 0.58),
    0 0 3rem rgba(25, 126, 255, 0.2);
}

.hero-copy {
  max-width: 48rem;
}

.eyebrow,
.section-label {
  margin: 0 0 0.75rem;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
p {
  text-wrap: pretty;
}

h1,
h2 {
  margin-top: 0;
  color: var(--text);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 45rem;
  margin-bottom: 1.35rem;
  font-size: clamp(2.7rem, 6vw, 5rem);
  font-weight: 760;
}

h2 {
  margin-bottom: 1.15rem;
  font-size: clamp(2rem, 4vw, 3.35rem);
  font-weight: 720;
}

p {
  margin: 0 0 1rem;
}

.hero-text {
  max-width: 42rem;
  margin-bottom: 1.75rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.55;
}

a {
  color: var(--primary);
  text-decoration-thickness: 0.1rem;
  text-underline-offset: 0.2rem;
}

a:hover {
  color: #8beaff;
}

a:focus-visible {
  outline: 0.1875rem solid var(--primary);
  outline-offset: 0.25rem;
}

.app-store-link {
  display: inline-flex;
  align-items: center;
  min-height: 3.25rem;
  padding: 0.8rem 1.25rem;
  border: 0.0625rem solid rgba(255, 255, 255, 0.2);
  border-radius: 0.85rem;
  background: linear-gradient(135deg, var(--primary-strong), #084dc7);
  box-shadow: 0 0.75rem 2rem rgba(3, 75, 204, 0.36);
  color: #ffffff;
  font-weight: 720;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.app-store-link:hover {
  box-shadow: 0 1rem 2.4rem rgba(4, 100, 255, 0.45);
  color: #ffffff;
  transform: translateY(-0.125rem);
}

section {
  margin-top: clamp(4.5rem, 9vw, 8rem);
}

.intro {
  max-width: 54rem;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.intro p:not(.section-label) {
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.preview-section > .section-label,
.preview-section > h2,
.features > .section-label,
.features > h2 {
  text-align: center;
}

.app-previews {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 1.75rem);
  margin-top: 2.25rem;
}

.app-previews figure {
  margin: 0;
  padding: 0.55rem;
  overflow: hidden;
  border: 0.0625rem solid var(--border);
  border-radius: 1.5rem;
  background: linear-gradient(155deg, var(--surface-raised), var(--surface));
  box-shadow: var(--shadow);
}

.app-previews img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  border-radius: 1rem;
  object-fit: cover;
}

.app-previews figcaption {
  padding: 0.85rem 0.75rem 0.55rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  max-width: 64rem;
  margin: 2.25rem auto 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  min-height: 100%;
  padding: 1.15rem 1.2rem 1.15rem 3rem;
  border: 0.0625rem solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
  color: var(--muted);
}

.feature-list li::before {
  position: absolute;
  top: 1.18rem;
  left: 1.15rem;
  color: var(--primary);
  content: "✓";
  font-weight: 800;
}

.site-footer {
  display: flex;
  gap: 1rem 2rem;
  justify-content: space-between;
  margin-top: clamp(4.5rem, 9vw, 8rem);
  padding: 2rem 0 0;
  border-top: 0.0625rem solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 50rem) {
  main {
    width: min(calc(100% - 2rem), 76rem);
  }

  .hero {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 2rem;
    min-height: auto;
    border-radius: 1.75rem;
  }

  .app-previews {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 38rem) {
  main {
    width: min(calc(100% - 1.25rem), 76rem);
    padding-top: 0.625rem;
  }

  .hero {
    grid-template-columns: 1fr;
    justify-items: center;
    padding: 2rem 1.25rem 2.25rem;
    text-align: center;
  }

  .app-icon {
    width: 6.5rem;
  }

  h1 {
    font-size: clamp(2.45rem, 12vw, 3.4rem);
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-store-link {
    transition: none;
  }
}