:root {
  --bg: #f6f6f1;
  --bg-strong: #ecece4;
  --card: rgba(255, 255, 255, 0.82);
  --text: #111111;
  --muted: #5f6358;
  --line: rgba(17, 17, 17, 0.08);
  --accent: #2b65d9;
  --accent-soft: rgba(43, 101, 217, 0.12);
  --green-soft: rgba(56, 143, 92, 0.14);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --shadow: 0 20px 48px rgba(20, 20, 20, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at top left, rgba(43, 101, 217, 0.10), transparent 30%),
    radial-gradient(circle at top right, rgba(56, 143, 92, 0.12), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family:
    "SF Pro Display",
    "SF Pro Text",
    "Inter",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

.brand {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.top-nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero,
.section,
.page-hero,
.page-section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero,
.page-hero {
  padding: 42px;
  margin-bottom: 24px;
}

.section,
.page-section {
  padding: 28px;
  margin-bottom: 20px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 18px;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 0.95;
  max-width: 820px;
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.05;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.1;
}

p {
  margin: 0;
  line-height: 1.6;
  color: var(--muted);
}

.hero-copy,
.page-copy {
  max-width: 760px;
  margin-top: 18px;
  font-size: 1.06rem;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.app-grid,
.detail-grid,
.link-grid,
.steps-grid {
  display: grid;
  gap: 18px;
}

.app-grid,
.steps-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.detail-grid,
.link-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.app-card,
.detail-card,
.step-card,
.link-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  padding: 22px;
}

.app-tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--green-soft);
  color: #206543;
  font-size: 0.78rem;
  font-weight: 600;
}

.app-card p,
.detail-card p,
.step-card p,
.link-card p {
  margin-top: 12px;
}

.app-links,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.app-links a,
.inline-links a,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.92rem;
}

.button-link.primary {
  background: var(--accent);
  color: white;
}

.meta-list,
.bullet-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.breadcrumb {
  display: inline-flex;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-note {
  margin-top: 18px;
  font-size: 0.92rem;
}

@media (max-width: 720px) {
  .site-shell {
    padding: 18px 14px 42px;
  }

  .hero,
  .section,
  .page-hero,
  .page-section {
    padding: 20px;
    border-radius: 22px;
  }
}