:root {
  --bg: #f7f3ec;
  --surface: #ffffff;
  --ink: #15131b;
  --muted: #625f6d;
  --line: #e5ded3;
  --accent: #6c3bff;
  --accent-dark: #4f46e5;
  --danger: #b42318;
  --radius: 28px;
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "SF Pro Display", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% -10%, rgba(108, 59, 255, 0.16), transparent 34rem),
    var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

a {
  color: var(--accent-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 850;
  letter-spacing: 0;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.brand span span {
  color: var(--accent);
}

.links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-weight: 650;
  font-size: 0.96rem;
}

.hero {
  min-height: calc(100vh - 168px);
  display: grid;
  align-items: center;
  padding: 56px 0 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(300px, 0.72fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  color: var(--accent-dark);
  font-weight: 800;
  margin: 0 0 14px;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.6rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h1 span,
h2 span {
  color: var(--accent);
}

.lede {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-weight: 780;
  box-shadow: 0 18px 36px rgba(21, 19, 27, 0.14);
}

.button.secondary {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: none;
}

.button[aria-disabled="true"] {
  cursor: default;
}

.phone-card,
.card,
.content-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 24px 70px rgba(21, 19, 27, 0.08);
}

.phone-card {
  padding: 22px;
}

.mock-screen {
  min-height: 560px;
  border-radius: 34px;
  background:
    radial-gradient(circle at 50% 30%, rgba(108, 59, 255, 0.24), transparent 13rem),
    linear-gradient(180deg, #080810, #130d28 62%, #090911);
  color: #fff;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mock-wordmark {
  margin: auto;
  font-size: 2.4rem;
  font-weight: 900;
}

.mock-wordmark span {
  color: #8a52ff;
}

.mock-panel {
  display: grid;
  gap: 10px;
}

.mock-row {
  height: 54px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.11);
}

.section {
  padding: 72px 0;
}

.section h2 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.card {
  padding: 24px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

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

.page {
  padding: 52px 0 84px;
}

.page-header {
  max-width: 760px;
  margin-bottom: 28px;
}

.page-header h1 {
  font-size: clamp(2.7rem, 6vw, 5rem);
}

.content-card {
  padding: clamp(24px, 5vw, 52px);
}

.content-card h2 {
  margin: 34px 0 8px;
  font-size: 1.45rem;
}

.content-card h2:first-child {
  margin-top: 0;
}

.content-card ul,
.content-card ol {
  padding-left: 1.35rem;
}

.notice {
  border-left: 4px solid var(--accent);
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(108, 59, 255, 0.08);
}

.danger {
  color: var(--danger);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    gap: 20px;
    flex-direction: column;
  }

  .links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero-grid,
  .grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 30px;
  }

  .mock-screen {
    min-height: 420px;
  }
}