:root {
  --brand: #66cc99;
  --brand-dark: #4db380;
  --brand-soft: rgba(102, 204, 153, 0.14);
  --text: #1c1c1e;
  --text-secondary: #636366;
  --surface: #ffffff;
  --background: #f2f2f7;
  --border: #e5e5ea;
  --paid: #34c759;
  --pending: #ff3b30;
  --max-width: 720px;
  --radius: 12px;
  --radius-lg: 18px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
  background: var(--background);
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.site-header__end {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}

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

.brand__mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--brand);
  display: grid;
  place-items: center;
  color: white;
  font-size: 16px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.hero {
  text-align: center;
  padding: 48px 0 24px;
}

.hero__badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero h1 strong {
  color: var(--brand-dark);
}

.hero p {
  margin: 0 auto;
  max-width: 560px;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.section {
  margin-top: 48px;
}

.section h2 {
  margin: 0 0 20px;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  margin-top: 56px;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.showcase--reverse .showcase__content {
  order: 2;
}

.showcase--reverse .showcase__media {
  order: 1;
}

.showcase__eyebrow {
  display: inline-block;
  margin: 0 0 10px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand-dark);
}

.showcase h2 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.showcase h2 strong {
  color: var(--brand-dark);
}

.showcase p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.showcase__media {
  margin: 0;
}

.showcase__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

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

.card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.about {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

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

.about p + p {
  margin-top: 12px;
}

.prose {
  max-width: var(--max-width);
  margin: 0 auto;
}

.prose h1 {
  margin: 0 0 8px;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.prose .meta {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

.prose section {
  margin-bottom: 28px;
}

.prose h2 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.prose p,
.prose ul {
  margin: 0;
  color: var(--text-secondary);
  white-space: pre-line;
}

.prose ul {
  padding-left: 1.25rem;
}

.prose li + li {
  margin-top: 6px;
}

.support-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.support-card h2 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.support-card p {
  margin: 0;
  color: var(--text-secondary);
}

.support-card p + p {
  margin-top: 12px;
}

.site-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 20px 40px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
}

@media (max-width: 860px) {
  .showcase,
  .showcase--reverse {
    grid-template-columns: 1fr;
  }

  .showcase--reverse .showcase__content,
  .showcase--reverse .showcase__media {
    order: unset;
  }

  .showcase {
    padding: 24px;
  }
}

@media (max-width: 600px) {
  .site-header__end {
    width: 100%;
    justify-content: space-between;
  }

  .site-nav {
    gap: 14px;
    font-size: 0.9rem;
  }

  .hero {
    padding-top: 32px;
  }
}