:root {
  color-scheme: dark;
  --bg: #070b1f;
  --surface: #121932;
  --surface-soft: #1a2342;
  --text: #f7f8ff;
  --muted: #b7c0d8;
  --teal: #14e6d1;
  --violet: #7c5cff;
  --border: rgba(183, 192, 216, 0.18);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 75% 0%, rgba(124, 92, 255, 0.16), transparent 34rem),
    radial-gradient(circle at 10% 30%, rgba(20, 230, 209, 0.1), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--teal);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  color: #7ffff2;
}

a:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 4px;
  border-radius: 4px;
}

img {
  max-width: 100%;
  height: auto;
}

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 760;
  text-decoration: none;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.site-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: clamp(48px, 7vw, 92px);
  min-height: 680px;
  padding: 72px 0 108px;
}

.hero h1,
.page-hero h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(3.2rem, 7vw, 6.4rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.hero p,
.page-hero p {
  max-width: 38rem;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
}

.button.primary {
  border-color: transparent;
  background: var(--teal);
  color: #04131b;
}

.availability {
  color: var(--muted);
  font-size: 0.94rem;
}

.hero-preview {
  position: relative;
}

.hero-preview::before {
  position: absolute;
  inset: 14% -4% -8% 14%;
  z-index: -1;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(20, 230, 209, 0.22), rgba(124, 92, 255, 0.2));
  filter: blur(52px);
  content: "";
}

.hero-preview img {
  display: block;
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.35);
}

.section {
  padding: 104px 0;
}

.section h2 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 52px;
}

.benefit {
  min-height: 230px;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(26, 35, 66, 0.9), rgba(18, 25, 50, 0.72));
}

.benefit:nth-child(2) {
  transform: translateY(28px);
}

.benefit h3 {
  margin: 0 0 14px;
  font-size: 1.3rem;
}

.benefit p,
.privacy-band p {
  margin: 0;
  color: var(--muted);
}

.privacy-band {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 72px;
  padding: 72px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--surface);
}

.privacy-band h2 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
}

.page-hero {
  padding: 96px 0 56px;
}

.page-hero h1 {
  max-width: 14ch;
  font-size: clamp(3rem, 6vw, 5.5rem);
}

.prose {
  max-width: 760px;
  padding: 36px 0 110px;
}

.prose h2 {
  margin: 56px 0 12px;
  font-size: 1.65rem;
  line-height: 1.2;
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose strong {
  color: var(--text);
}

.steps {
  padding-left: 1.3rem;
}

.steps li {
  margin-bottom: 14px;
  padding-left: 8px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 34px 0 50px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.94rem;
}

.site-footer nav {
  display: flex;
  gap: 20px;
}

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

  .site-nav {
    gap: 16px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 64px 0 82px;
  }

  .hero h1 {
    max-width: 9ch;
  }

  .hero-preview {
    order: -1;
  }

  .benefits,
  .privacy-band {
    grid-template-columns: 1fr;
  }

  .benefit:nth-child(2) {
    transform: none;
  }

  .privacy-band {
    gap: 28px;
    padding: 36px 28px;
  }

  .section {
    padding: 78px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}