:root {
  --color-green: #123f2d;
  --color-green-soft: #1f6a4a;
  --color-sand: #e8d3a4;
  --color-sand-light: #f8f0de;
  --color-brown: #9a6a3a;
  --color-orange: #e88b3a;
  --color-orange-soft: #f2b46f;
  --color-cream: #fffaf0;
  --color-white: #ffffff;
  --color-ink: #1d241f;
  --color-muted: #5f6b62;
  --shadow-soft: 0 20px 45px rgba(18, 63, 45, 0.14);
  --radius-large: 28px;
  --radius-medium: 18px;
  --radius-pill: 999px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-cream);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--color-green-soft);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--color-orange);
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.narrow {
  max-width: 820px;
}

.section {
  padding: 84px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 250, 240, 0.92);
  border-bottom: 1px solid rgba(154, 106, 58, 0.18);
  backdrop-filter: blur(14px);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  color: var(--color-green);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-links a {
  border-radius: var(--radius-pill);
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 9px 14px;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  background: var(--color-sand-light);
  color: var(--color-green);
}

.hero {
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 15%, rgba(232, 139, 58, 0.28), transparent 32%),
    radial-gradient(circle at 90% 20%, rgba(31, 106, 74, 0.2), transparent 30%),
    linear-gradient(135deg, var(--color-cream), var(--color-sand-light));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: center;
  gap: 44px;
}

.eyebrow {
  color: var(--color-brown);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--color-green);
  line-height: 1.08;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(3rem, 8vw, 5.7rem);
  letter-spacing: -0.08em;
  max-width: 780px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.05em;
}

h3 {
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.subtitle {
  color: var(--color-green-soft);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  font-weight: 800;
  margin: 0 0 14px;
}

.hero-description {
  color: var(--color-muted);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 0 28px;
}

.button-group {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  align-items: center;
  border-radius: var(--radius-pill);
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 48px;
  padding: 13px 22px;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--color-green);
  box-shadow: 0 12px 25px rgba(18, 63, 45, 0.24);
  color: var(--color-white);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--color-green-soft);
  color: var(--color-white);
}

.button-secondary {
  background: var(--color-white);
  border: 1px solid rgba(18, 63, 45, 0.16);
  color: var(--color-green);
}

.hero-card,
.download-card,
.feature-card,
.policy-container {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(154, 106, 58, 0.16);
  box-shadow: var(--shadow-soft);
}

.hero-card {
  border-radius: var(--radius-large);
  padding: 26px;
}

.card-board {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.memory-card {
  align-items: center;
  aspect-ratio: 1;
  border-radius: 22px;
  color: var(--color-white);
  display: flex;
  font-size: clamp(1.1rem, 3vw, 2rem);
  font-weight: 900;
  justify-content: center;
  min-height: 120px;
  padding: 16px;
  text-align: center;
}

.memory-card.green {
  background: var(--color-green);
}

.memory-card.orange {
  background: var(--color-orange);
}

.memory-card.sand {
  background: var(--color-sand);
  color: var(--color-green);
}

.memory-card.brown {
  background: var(--color-brown);
}

.muted {
  background: #f4ead3;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  border-radius: var(--radius-medium);
  padding: 24px;
}

.feature-card p,
.feature-card ul {
  color: var(--color-muted);
  margin-bottom: 0;
}

.feature-card ul,
.policy-container ul {
  padding-left: 22px;
}

.download-section {
  background: linear-gradient(135deg, var(--color-green), #245f43);
}

.download-card {
  align-items: center;
  border-radius: var(--radius-large);
  display: flex;
  gap: 28px;
  justify-content: space-between;
  padding: clamp(26px, 5vw, 48px);
}

.download-card p {
  color: var(--color-muted);
  margin-bottom: 0;
  max-width: 680px;
}

.site-footer {
  background: var(--color-green);
  color: rgba(255, 255, 255, 0.86);
  padding: 34px 0;
}

.footer-content {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
}

.site-footer strong,
.site-footer a {
  color: var(--color-white);
}

.site-footer p {
  margin: 4px 0 0;
}

.policy-main {
  background:
    radial-gradient(circle at top left, rgba(232, 139, 58, 0.16), transparent 32%),
    var(--color-cream);
}

.policy-container {
  border-radius: var(--radius-large);
  max-width: 900px;
  padding: clamp(24px, 5vw, 56px);
}

.policy-container h1 {
  font-size: clamp(2.6rem, 7vw, 4.8rem);
}

.policy-container h2 {
  border-top: 1px solid rgba(154, 106, 58, 0.2);
  font-size: clamp(1.45rem, 3vw, 2rem);
  margin-top: 38px;
  padding-top: 30px;
}

.policy-container p,
.policy-container li {
  color: #39453d;
}

.effective-date {
  background: var(--color-sand-light);
  border-left: 5px solid var(--color-orange);
  border-radius: 14px;
  padding: 14px 16px;
}

.back-link {
  display: inline-flex;
  font-weight: 800;
  margin-bottom: 28px;
}

@media (max-width: 900px) {
  .hero-grid,
  .download-card {
    grid-template-columns: 1fr;
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .download-card {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 24px, var(--container));
  }

  .section {
    padding: 58px 0;
  }

  .navbar,
  .footer-content {
    align-items: flex-start;
    flex-direction: column;
  }

  .navbar {
    gap: 10px;
    padding: 14px 0;
  }

  .nav-links {
    width: 100%;
  }

  .nav-links a {
    background: var(--color-sand-light);
  }

  .button,
  .button-group {
    width: 100%;
  }

  .card-grid,
  .card-board {
    grid-template-columns: 1fr;
  }

  .memory-card {
    aspect-ratio: auto;
    min-height: 96px;
  }
}