:root {
  --accent: #f98eff;
  --accent-strong: #e06ee8;
  --accent-soft: #ffd6ff;
  --accent-glow: rgba(249, 142, 255, 0.28);
  --bg: #faf8fb;
  --bg-elevated: #ffffff;
  --text: #1c1c1e;
  --text-secondary: #636366;
  --border: rgba(60, 60, 67, 0.12);
  --radius: 18px;
  --radius-sm: 14px;
  --shadow: 0 12px 40px rgba(28, 28, 30, 0.08);
  --max-width: 720px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f11;
    --bg-elevated: #1c1c1e;
    --text: #f5f5f7;
    --text-secondary: #98989d;
    --border: rgba(235, 235, 245, 0.12);
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    --accent-glow: rgba(249, 142, 255, 0.18);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(circle at top right, var(--accent-glow), transparent 42%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}

.site-header-inner,
.page-shell,
.site-footer-inner {
  width: min(calc(100% - 32px), var(--max-width));
  margin-inline: auto;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 6px 18px var(--accent-glow);
}

.brand-icon img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.hero-app-icon {
  display: block;
  width: 80px;
  height: 80px;
  border-radius: 18px;
  margin-bottom: 16px;
  box-shadow: 0 10px 28px var(--accent-glow);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 15px;
}

.site-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 999px;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  text-decoration: none;
}

.page-shell {
  padding: 36px 0 72px;
}

.hero {
  padding: 28px 24px;
  border-radius: calc(var(--radius) + 6px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  margin-bottom: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  color: var(--accent-strong);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 5vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  color: var(--text-secondary);
  max-width: 52ch;
}

.card-grid {
  display: grid;
  gap: 14px;
}

.card {
  display: block;
  padding: 20px 22px;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  text-decoration: none;
}

.card h2 {
  margin: 0 0 6px;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

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

.content-card {
  padding: 28px 24px;
  border-radius: calc(var(--radius) + 4px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.content-card h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 4vw, 2.2rem);
  letter-spacing: -0.03em;
}

.updated {
  margin: 0 0 28px;
  color: var(--text-secondary);
  font-size: 15px;
}

.content-card h2 {
  margin: 32px 0 10px;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

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

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

.content-card ul {
  margin: 0 0 16px;
  padding-left: 1.2rem;
}

.content-card li + li {
  margin-top: 8px;
}

.contact-box {
  margin-top: 28px;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 10%, var(--bg-elevated));
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
}

.contact-box strong {
  display: block;
  margin-bottom: 6px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  color: #fff;
  background: linear-gradient(160deg, #ff93ff 0%, var(--accent) 100%);
  box-shadow: 0 8px 22px var(--accent-glow);
  text-decoration: none;
}

.button:hover {
  text-decoration: none;
  filter: brightness(1.03);
}

.faq-item + .faq-item {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.faq-item p {
  margin: 0;
  color: var(--text-secondary);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
}

.site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: space-between;
  color: var(--text-secondary);
  font-size: 14px;
}

.site-footer a {
  color: var(--text-secondary);
}

@media (max-width: 640px) {
  .site-header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .content-card {
    padding: 22px 18px;
  }
}