:root {
  --bg: #f6f3eb;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --ink: #173d37;
  --muted: #40544f;
  --line: #d7d0c2;
  --green: #0f766e;
  --green-dark: #0b4f4a;
  --gold: #9a741b;
  --gold-soft: #f0dfb8;
  --soft-green: #edf6f4;
  --shadow: 0 18px 50px rgba(23, 61, 55, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.8;
}

a {
  color: var(--green);
  font-weight: 800;
}

.site,
main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 18px 56px;
}

.hero {
  padding: 0 0 34px;
}

.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0 22px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: #fff;
  background: var(--ink);
  font-size: 13px;
  font-weight: 900;
}

.nav-links,
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-links a,
nav a {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--surface);
  text-decoration: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.75fr);
  gap: 28px;
  align-items: center;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(135deg, #fffdf8 0%, #edf6f4 100%);
  box-shadow: var(--shadow);
}

.hero-copy {
  display: grid;
  gap: 16px;
}

.eyebrow,
.brand {
  margin: 0;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.35;
}

h1 {
  margin: 0;
  font-size: 40px;
  line-height: 1.2;
}

h2 {
  margin: 0 0 12px;
  font-size: 28px;
}

h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

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

.lead {
  margin: 0;
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 8px;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  background: var(--green);
}

.button.secondary {
  border: 1px solid var(--green);
  color: var(--green);
  background: var(--surface);
}

.small-note {
  margin: 0;
  font-size: 13px;
}

.product-visual {
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: min(100%, 330px);
  padding: 14px;
  border: 1px solid #163d37;
  border-radius: 26px;
  background: #173d37;
  box-shadow: 0 20px 40px rgba(23, 61, 55, 0.25);
}

.phone-header {
  display: flex;
  gap: 5px;
  padding: 5px 4px 12px;
}

.phone-header span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #f0dfb8;
}

.phone-card {
  margin-bottom: 10px;
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: #fffdf8;
}

.phone-card.strong {
  background: #edf6f4;
}

.phone-label {
  margin: 0 0 3px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
}

.phone-title {
  margin: 0;
  color: var(--ink);
  font-weight: 900;
}

.phone-meta,
.phone-card p {
  margin: 0;
  font-size: 13px;
}

.section {
  margin-top: 24px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 18px;
}

.feature-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.card,
.price-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.75fr);
  gap: 22px;
  align-items: center;
}

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

.check-row {
  padding: 12px;
  border: 1px solid #b8d7d1;
  border-radius: 8px;
  color: var(--ink);
  background: var(--soft-green);
  font-weight: 800;
}

.check-row span {
  color: var(--green);
  font-weight: 900;
}

.price-label {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
}

.price {
  margin: 8px 0 12px;
  color: var(--ink);
  font-size: 28px;
  font-weight: 900;
}

.price-card.accent {
  border-color: #b89b4f;
  background: #fff8e7;
}

.price-card ul {
  margin: 0;
  padding-left: 20px;
}

.caution {
  border-color: #b89b4f;
  background: #fff8e7;
}

.release {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
}

.release-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.store-pill {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: var(--surface-strong);
  font-weight: 900;
}

.link-section {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.link-section a {
  padding: 10px 12px;
  border: 1px solid var(--green);
  border-radius: 8px;
  background: var(--surface-strong);
  text-decoration: none;
}

header:not(.hero) {
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--green);
}

header:not(.hero) h1 {
  margin: 0 0 8px;
  font-size: 32px;
}

main > h2 {
  margin-top: 30px;
  padding-left: 10px;
  border-left: 5px solid var(--green);
  font-size: 20px;
}

footer {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 820px) {
  .site,
  main {
    padding: 16px 14px 48px;
  }

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

  .topnav {
    align-items: flex-start;
  }

  .hero-grid {
    padding: 22px;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 24px;
  }

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

  .release-links {
    justify-content: flex-start;
  }
}