:root {
  color-scheme: dark;
  --background: #08090c;
  --surface: #111318;
  --surface-raised: #181b22;
  --border: rgba(255, 255, 255, 0.1);
  --text: #f7f7f8;
  --muted: #a6a9b2;
  --accent: #a8ff60;
  --accent-dark: #6fcb2a;
  --max-width: 1120px;
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 50% -10%, rgba(168, 255, 96, 0.16), transparent 34rem),
    var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.site-header,
.site-footer,
main {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(168, 255, 96, 0.45);
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(168, 255, 96, 0.24), rgba(168, 255, 96, 0.04));
  color: var(--accent);
  font-size: 16px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color 160ms ease;
}

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

.hero {
  display: grid;
  min-height: 650px;
  align-content: center;
  justify-items: center;
  padding: 72px 0 104px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(168, 255, 96, 0.8);
  content: "";
}

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

h1 {
  max-width: 920px;
  margin-bottom: 28px;
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 750;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 36px;
  color: var(--muted);
  font-size: clamp(19px, 2.4vw, 23px);
  letter-spacing: -0.015em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-raised);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.22);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #10140c;
}

.button-primary:hover,
.button-primary:focus-visible {
  border-color: #c0ff8d;
  background: #c0ff8d;
}

.shortcut {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  padding: 2px 7px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.2);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 12px;
}

.product-window {
  width: min(100%, 860px);
  margin: -16px auto 120px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: rgba(18, 20, 25, 0.92);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.56);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 48px;
  padding: 0 18px;
  border-bottom: 1px solid var(--border);
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #454954;
}

.history-list {
  display: grid;
  gap: 8px;
  padding: 18px;
  text-align: left;
}

.history-item {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 14px;
  align-items: center;
  min-width: 0;
  padding: 14px;
  border: 1px solid transparent;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.035);
}

.history-item:first-child {
  border-color: rgba(168, 255, 96, 0.35);
  background: rgba(168, 255, 96, 0.08);
}

.history-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.history-text {
  min-width: 0;
}

.history-text strong,
.history-text span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-text strong {
  font-size: 15px;
}

.history-text span,
.history-time {
  color: var(--muted);
  font-size: 12px;
}

.section {
  padding: 104px 0;
  border-top: 1px solid var(--border);
}

.section-heading {
  max-width: 680px;
  margin-bottom: 52px;
}

.section h2,
.page-intro h1 {
  margin-bottom: 18px;
  font-size: clamp(38px, 6vw, 64px);
  letter-spacing: -0.05em;
  line-height: 1.04;
}

.section-heading p,
.page-intro > p {
  color: var(--muted);
  font-size: 20px;
}

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

.card {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018));
}

.card-number {
  display: grid;
  width: 38px;
  height: 38px;
  margin-bottom: 48px;
  place-items: center;
  border-radius: 12px;
  background: rgba(168, 255, 96, 0.12);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.card h3 {
  margin-bottom: 10px;
  font-size: 21px;
  letter-spacing: -0.025em;
}

.card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.privacy-callout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  padding: 52px;
  border: 1px solid rgba(168, 255, 96, 0.25);
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(168, 255, 96, 0.1), rgba(255, 255, 255, 0.02));
}

.privacy-callout h2 {
  margin-bottom: 14px;
  font-size: clamp(34px, 5vw, 54px);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.privacy-callout p {
  margin-bottom: 0;
  color: var(--muted);
}

.privacy-points {
  display: grid;
  gap: 12px;
}

.privacy-point {
  display: flex;
  gap: 11px;
  align-items: center;
  font-size: 14px;
  font-weight: 650;
}

.privacy-point::before {
  display: grid;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #10140c;
  content: "✓";
  font-size: 12px;
  font-weight: 900;
}

.page-intro {
  max-width: 790px;
  padding: 112px 0 72px;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px);
  padding-bottom: 120px;
}

.content-section {
  padding: 42px 0;
  border-top: 1px solid var(--border);
}

.content-section h2 {
  margin-bottom: 18px;
  font-size: 27px;
  letter-spacing: -0.03em;
}

.content-section h3 {
  margin: 30px 0 8px;
  font-size: 19px;
}

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

.content-section a {
  color: var(--text);
  text-underline-offset: 4px;
}

.content-section ul,
.content-section ol {
  padding-left: 22px;
}

.support-card {
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.support-card p:last-child {
  margin-bottom: 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 38px 0 48px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

@media (max-width: 760px) {
  .site-header,
  .site-footer,
  main {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .site-header {
    min-height: 72px;
  }

  .site-nav {
    gap: 16px;
  }

  .site-nav a:first-child {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 92px 0 80px;
  }

  h1 {
    font-size: clamp(48px, 15vw, 72px);
  }

  .product-window {
    margin-bottom: 80px;
    border-radius: 20px;
  }

  .history-item {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .history-time {
    display: none;
  }

  .feature-grid,
  .steps-grid,
  .privacy-callout {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 76px 0;
  }

  .card {
    min-height: 220px;
  }

  .privacy-callout {
    padding: 32px 24px;
  }

  .page-intro {
    padding: 82px 0 52px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
