:root {
  --blue: #3BB1FB;
  --blue-shadow: #2F8CE1;
  --deep-blue: #071a34;
  --ink: #102033;
  --muted: #5d6f82;
  --line: #d9ecfb;
  --soft: #eef8ff;
  --white: #ffffff;
  --radius: 8px;
  --shadow: 0 22px 60px rgba(47, 140, 225, 0.18);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 12%, rgba(59, 177, 251, 0.16), transparent 28%),
    linear-gradient(180deg, var(--white), #f7fcff 54%, var(--white));
  color: var(--ink);
}

a {
  color: inherit;
}

.site-header,
.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-header {
  padding: 22px 0;
}

.brand,
.nav,
.footer {
  font-size: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
}

.brand-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(59, 177, 251, 0.42));
}

.brand-word {
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--blue);
  text-shadow:
    0 0 1px rgba(255, 255, 255, 0.65),
    0 0 7px rgba(59, 177, 251, 0.48),
    0 0 15px rgba(47, 140, 225, 0.26);
}

.nav {
  display: flex;
  gap: 18px;
}

.nav a,
.footer a {
  text-decoration: none;
  color: var(--muted);
}

.hero,
.download-hero,
.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  position: relative;
  overflow: visible;
  min-height: calc(100vh - 180px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.75fr);
  align-items: center;
  gap: 56px;
  padding: 54px 0 72px;
}

.download-hero {
  position: relative;
  overflow: visible;
  padding: 86px 0 64px;
  border-top: 1px solid var(--line);
}

.hero-copy,
.download-hero > :not(.hero-logo),
.product-panel {
  position: relative;
  z-index: 1;
}

.hero-logo {
  position: absolute;
  width: min(540px, 58vw);
  right: -34px;
  top: 44px;
  z-index: 0;
  opacity: 0.32;
  filter:
    drop-shadow(0 0 22px rgba(59, 177, 251, 0.75))
    drop-shadow(0 0 70px rgba(47, 140, 225, 0.46));
  animation: logoEntrance 1200ms ease-out both, logoFloat 6800ms ease-in-out 1200ms infinite;
  pointer-events: none;
}

.hero-logo.download {
  width: min(460px, 52vw);
  right: -18px;
  top: -36px;
  opacity: 0.24;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-shadow);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(44px, 8vw, 86px);
  line-height: 0.95;
  letter-spacing: 0;
}

.product-title {
  color: var(--white);
  text-shadow:
    0 0 1px #ffffff,
    0 0 8px rgba(59, 177, 251, 0.92),
    0 0 22px rgba(47, 140, 225, 0.7),
    0 0 42px rgba(47, 140, 225, 0.36);
  paint-order: fill;
}

.product-title.inline {
  display: inline-block;
}

h2 {
  margin-bottom: 22px;
  font-size: 30px;
}

h3 {
  margin-bottom: 10px;
}

.lead {
  max-width: 650px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.button.primary {
  color: var(--white);
  background: linear-gradient(180deg, var(--blue), var(--blue-shadow));
  box-shadow:
    0 14px 30px rgba(47, 140, 225, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.36);
}

.button.secondary {
  color: var(--blue-shadow);
  background: var(--white);
  border-color: var(--line);
}

.button:hover {
  transform: translateY(-1px);
}

.product-panel,
.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--white), var(--soft));
  box-shadow: var(--shadow);
}

.product-panel {
  padding: 24px;
}

.panel-topline {
  height: 10px;
  border-radius: 999px;
  margin-bottom: 22px;
  background: linear-gradient(90deg, var(--blue), var(--blue-shadow));
}

.metric {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.metric:last-child {
  border-bottom: 0;
}

.metric-label {
  color: var(--muted);
}

.section {
  padding: 60px 0;
  border-top: 1px solid var(--line);
}

.section.narrow {
  max-width: 780px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  padding: 22px;
}

.feature p,
.steps {
  color: var(--muted);
  line-height: 1.6;
}

.steps {
  padding-left: 22px;
  font-size: 17px;
}

.steps li {
  margin-bottom: 10px;
}

.video-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--white), var(--soft));
  box-shadow: var(--shadow);
}

.video-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.footer {
  padding: 28px 0 36px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@keyframes logoEntrance {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.92) rotate(-5deg);
  }
  to {
    opacity: 0.32;
    transform: translateY(0) scale(1) rotate(0deg);
  }
}

@keyframes logoFloat {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-14px) rotate(2deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-logo {
    animation: none;
  }

  .button {
    transition: none;
  }
}

@media (max-width: 760px) {
  .site-header,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 44px;
  }

  .hero-logo,
  .hero-logo.download {
    width: 360px;
    right: -160px;
    top: 28px;
    opacity: 0.18;
  }

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

  .lead {
    font-size: 18px;
  }
}
