:root {
  --seed: #0F766E;
  --seed-hover: #0D9488;
  --ink: #0F172A;
  --muted: #475569;
  --surface: #F8FAFC;
  --card: #FFFFFF;
  --border: #E2E8F0;
  --on-seed: #FFFFFF;
  --radius: 16px;
  --font: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max: 720px;
  --page-pad: 1.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--seed);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--seed-hover);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header,
main,
.site-footer {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--page-pad);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.brand:hover {
  color: var(--seed);
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.site-nav a {
  font-weight: 500;
  text-decoration: none;
}

.site-nav a:hover {
  text-decoration: underline;
}

main {
  flex: 1;
  padding-block: 2.5rem 3rem;
}

.hero {
  margin-bottom: 2.5rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--seed);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.lede {
  margin: 0 0 1.5rem;
  color: var(--muted);
  max-width: 36rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--seed);
  color: var(--on-seed);
}

.btn-primary:hover {
  background: var(--seed-hover);
  color: var(--on-seed);
}

.btn-disabled {
  background: var(--seed);
  color: var(--on-seed);
  opacity: 0.72;
  cursor: default;
}

.text-link {
  font-weight: 500;
}

.section {
  margin-top: 2.75rem;
}

.section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.card-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--seed);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.card.highlight h2 {
  margin-bottom: 0.5rem;
}

.card.highlight p {
  margin: 0;
  color: var(--muted);
}

.feature-list {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding: 0.65rem 0 0.65rem 1.35rem;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 2px;
  background: var(--seed);
}

.screenshots {
  margin-top: 0.5rem;
}

.phone-strip {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.phone {
  margin: 0;
  flex: 0 0 auto;
  width: min(220px, 68vw);
  scroll-snap-align: start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem;
  overflow: hidden;
}

.phone img {
  width: 100%;
  border-radius: 12px;
}

.prose h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.1rem);
  letter-spacing: -0.03em;
}

.prose .meta {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.prose h2 {
  margin: 2rem 0 0.65rem;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.prose p,
.prose ul {
  color: var(--ink);
}

.prose ul {
  padding-left: 1.2rem;
}

.prose li {
  margin-bottom: 0.35rem;
  color: var(--muted);
}

.prose li strong,
.prose p strong {
  color: var(--ink);
}

.site-footer {
  padding-block: 1.5rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.footer-meta {
  margin-top: 0.35rem !important;
  font-size: 0.8rem;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}