:root {
  color-scheme: light dark;
  --bg: #f9f7ff;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #ffffff;
  --text: #282337;
  --muted: #625c73;
  --accent: #6d43c7;
  --accent-strong: #4c279e;
  --border: rgba(87, 63, 130, 0.2);
  --focus: #c53b8c;
  --warning-bg: #fff4d7;
  --warning-text: #4e3500;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 0%, rgba(167, 116, 255, 0.17), transparent 26rem),
    radial-gradient(circle at 96% 8%, rgba(255, 133, 193, 0.12), transparent 24rem),
    var(--bg);
  line-height: 1.65;
}

a {
  color: var(--accent-strong);
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 0.14em;
}

a:focus-visible {
  border-radius: 0.35rem;
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.2rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.1rem 0;
}

.brand {
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.tagline {
  color: var(--muted);
  font-size: 0.9rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

main {
  width: min(72rem, calc(100% - 2rem));
  margin: 2rem auto 4rem;
}

main > section {
  padding: clamp(2rem, 6vw, 5rem) 0;
}

main > section + section {
  border-top: 1px solid var(--border);
}

h1,
h2,
h3 {
  line-height: 1.16;
  text-wrap: balance;
}

h1 {
  max-width: 14ch;
  margin: 0.25rem 0 1rem;
  font-size: clamp(2.6rem, 8vw, 5.8rem);
  letter-spacing: -0.055em;
}

section > h2:first-of-type {
  margin-top: 0.25rem;
  font-size: clamp(2rem, 5vw, 3.6rem);
  letter-spacing: -0.04em;
}

.policy h1 {
  max-width: 20ch;
  font-size: clamp(2.3rem, 6vw, 4.4rem);
}

.policy section {
  max-width: 54rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent-strong);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lead {
  max-width: 58ch;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.card-grid,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1.35rem;
  background: var(--surface);
  box-shadow: 0 1rem 3rem rgba(63, 38, 108, 0.08);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.product-mark {
  display: grid;
  width: 3rem;
  height: 3rem;
  margin: 0 0 1.25rem;
  place-items: center;
  border-radius: 1rem;
  color: #ffffff;
  background: linear-gradient(135deg, #5e38b5, #bf3c8a);
  font-weight: 900;
}

.button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1rem;
  border: 1px solid transparent;
  border-radius: 0.8rem;
  color: #ffffff;
  background: var(--accent-strong);
  font-weight: 750;
  text-decoration: none;
}

.button:hover {
  background: var(--accent);
}

.button.secondary {
  border-color: var(--border);
  color: var(--text);
  background: var(--surface-strong);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0;
}

.notice,
.warning {
  margin: 2rem 0;
  padding: 1rem 1.15rem;
  border-left: 0.3rem solid var(--accent);
  border-radius: 0.6rem;
  background: var(--surface);
}

.warning {
  border-left-color: #a56800;
  color: var(--warning-text);
  background: var(--warning-bg);
}

.steps {
  max-width: 52rem;
  padding-left: 1.5rem;
}

.steps li + li {
  margin-top: 0.75rem;
}

code {
  padding: 0.1em 0.35em;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  background: var(--surface);
  font-size: 0.92em;
  overflow-wrap: anywhere;
}

footer {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17131f;
    --surface: rgba(39, 31, 54, 0.88);
    --surface-strong: #2a2238;
    --text: #f4efff;
    --muted: #c6bdd7;
    --accent: #bd9cff;
    --accent-strong: #d2bcff;
    --border: rgba(220, 201, 255, 0.2);
    --focus: #ff84c5;
    --warning-bg: #493815;
    --warning-text: #ffe5a6;
  }

  .button {
    color: #21152f;
    background: #d2bcff;
  }

  .button:hover {
    background: #e1d3ff;
  }
}

@media (max-width: 38rem) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  main {
    margin-top: 0;
  }
}

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