:root {
  color-scheme: light;
  --ink: #122017;
  --muted: #53645a;
  --leaf: #236b3a;
  --leaf-strong: #174f2a;
  --lime: #dff2a3;
  --mist: #eef5ef;
  --line: #d5ded8;
  --paper: #ffffff;
  --cream: #f8f7f1;
  --shadow: 0 20px 60px rgba(18, 32, 23, 0.16);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248, 247, 241, 0.9);
  border-bottom: 1px solid rgba(213, 222, 216, 0.78);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

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

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--leaf);
}

.hero {
  min-height: 680px;
  display: grid;
  align-items: center;
  position: relative;
  background-image:
    linear-gradient(90deg, rgba(18, 32, 23, 0.86), rgba(18, 32, 23, 0.52) 42%, rgba(18, 32, 23, 0.08)),
    url("hero-lawn.jpg");
  background-size: cover;
  background-position: center;
  color: white;
}

.hero-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 96px 0 88px;
}

.eyebrow {
  margin: 0 0 16px;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 680px;
  margin-bottom: 18px;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 610px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 800;
  text-decoration: none;
}

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

.button.secondary {
  color: white;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.12);
}

.button.dark {
  color: white;
  background: var(--leaf-strong);
}

.button.light {
  color: var(--leaf-strong);
  background: var(--mist);
  border-color: var(--line);
}

.button.disabled {
  color: #6a756d;
  background: #e7ece8;
  cursor: not-allowed;
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.section-header {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-header h2 {
  margin-bottom: 10px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-header p {
  color: var(--muted);
  font-size: 1.08rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  box-shadow: 0 8px 24px rgba(18, 32, 23, 0.06);
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

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

.proof-band {
  background: var(--ink);
  color: white;
}

.proof-band .section {
  padding: 58px 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.proof strong {
  display: block;
  font-size: 1.65rem;
  line-height: 1;
}

.proof span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 24px;
  align-items: start;
}

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}

.list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.list li {
  padding-left: 28px;
  position: relative;
}

.list li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--leaf);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.store-box {
  display: grid;
  gap: 14px;
}

.store-meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.notice {
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid #e4d7a5;
  background: #fff7d8;
  color: #5f4a11;
}

.legal-content {
  max-width: 780px;
}

.legal-content h1 {
  color: var(--ink);
  font-size: clamp(2.4rem, 5vw, 4.6rem);
}

.legal-content h2 {
  margin-top: 34px;
}

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

.site-footer {
  border-top: 1px solid var(--line);
  background: #eef1ec;
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

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

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: 620px;
    background-image:
      linear-gradient(180deg, rgba(18, 32, 23, 0.88), rgba(18, 32, 23, 0.62) 52%, rgba(18, 32, 23, 0.22)),
      url("hero-lawn.jpg");
  }

  .hero-inner {
    padding-top: 78px;
  }

  .grid,
  .proof-grid,
  .split,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 52px 0;
  }

  .footer-inner {
    flex-direction: column;
  }
}
