:root {
  --green-950: #002f1b;
  --green-900: #003f24;
  --green-800: #07572f;
  --green-600: #2f8a35;
  --lime: #8bd33f;
  --cream: #f6f7ee;
  --paper: #ffffff;
  --ink: #102019;
  --muted: #5e6e66;
  --line: rgba(0, 63, 36, .13);
  --shadow: 0 28px 80px rgba(0, 48, 27, .18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(139, 211, 63, .16), transparent 32rem),
    linear-gradient(180deg, #fbfff8 0%, var(--cream) 46%, #edf5e7 100%);
  line-height: 1.5;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 22px;
  backdrop-filter: blur(18px);
  background: rgba(251, 255, 248, .78);
  border-bottom: 1px solid var(--line);
}
.brand, nav { display: flex; align-items: center; gap: 12px; }
.brand { color: var(--green-900); font-weight: 950; text-decoration: none; letter-spacing: -.03em; }
.brand img { width: 38px; height: 38px; border-radius: 10px; box-shadow: 0 8px 18px rgba(0, 48, 27, .18); }
nav a { color: var(--green-900); font-weight: 800; text-decoration: none; font-size: .95rem; }
.nav-cta { background: var(--green-900); color: white !important; padding: 9px 13px; border-radius: 999px; }

main { max-width: 1180px; margin: 0 auto; padding: 34px 22px 70px; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  min-height: 720px;
  padding: 28px 0 54px;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--green-600);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .8rem;
  font-weight: 950;
}
h1, h2 { letter-spacing: -.065em; line-height: .94; margin: 0; }
h1 { font-size: clamp(4rem, 9vw, 7.7rem); color: var(--green-950); max-width: 760px; }
h2 { font-size: clamp(2.5rem, 6vw, 5rem); color: var(--green-950); }
.subtitle { color: var(--green-600); font-size: clamp(1.35rem, 3vw, 2.05rem); font-weight: 950; margin: 22px 0 0; }
.lede { color: var(--muted); max-width: 660px; font-size: 1.18rem; margin: 14px 0 0; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 54px;
  padding: 15px 22px;
  border-radius: 16px;
  font-weight: 950;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.primary { color: white; background: linear-gradient(135deg, var(--green-900), var(--green-600)); box-shadow: 0 18px 34px rgba(0, 63, 36, .26); }
.secondary { color: var(--green-900); background: white; border: 1px solid var(--line); }
.microcopy { color: var(--muted); font-weight: 800; }
.hero-art { position: relative; display: grid; place-items: center; min-height: 560px; }
.hero-art::before {
  content: "";
  position: absolute;
  inset: 6% 1% 4% 13%;
  border-radius: 48px;
  background: linear-gradient(145deg, var(--green-900), #001b10);
  box-shadow: var(--shadow);
  transform: rotate(-4deg);
}
.app-icon-large { position: absolute; width: min(46vw, 430px); border-radius: 92px; z-index: 2; transform: translate(-18%, -10%) rotate(-4deg); box-shadow: var(--shadow); }
.hero-card { position: relative; z-index: 3; width: min(42vw, 360px); transform: translate(30%, 20%) rotate(5deg); filter: drop-shadow(0 28px 45px rgba(0,0,0,.32)); }

.proof-strip, .section, .download, .support {
  background: rgba(255,255,255,.82);
  border: 1px solid var(--line);
  border-radius: 34px;
  box-shadow: var(--shadow);
}
.proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; margin: 14px 0 28px; }
.proof-strip div { padding: 22px; border-right: 1px solid var(--line); }
.proof-strip div:last-child { border-right: 0; }
.proof-strip strong, .proof-strip span { display: block; }
.proof-strip strong { color: var(--green-950); font-size: 1.05rem; }
.proof-strip span { color: var(--muted); font-weight: 700; margin-top: 4px; }

.section { padding: clamp(28px, 6vw, 64px); margin: 28px 0; }
.intro { display: grid; grid-template-columns: 1fr 360px; align-items: center; gap: 34px; }
.ber-card { background: linear-gradient(160deg, #fafff5, #e8f5dd); border: 1px solid var(--line); border-radius: 28px; padding: 22px; }
.ber-card img { display: block; width: 100%; margin: -30px auto 4px; filter: drop-shadow(0 18px 22px rgba(0, 48, 27, .18)); }
.ber-card p, .section p, .support p, .download p { color: var(--muted); font-size: 1.08rem; }

.screenshots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 28px 0; }
.screenshots img { width: 100%; border-radius: 30px; box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.72); }

.feature-grid, .privacy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.feature-grid article, .privacy-grid article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
}
.feature-grid span { display: grid; place-items: center; width: 48px; height: 48px; background: var(--green-900); color: white; border-radius: 16px; font-size: 1.35rem; }
h3 { margin: 16px 0 8px; color: var(--green-950); font-size: 1.35rem; line-height: 1.1; }
.feature-grid p, .privacy-grid p { color: var(--muted); margin: 0; }

.dark-panel { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; background: linear-gradient(140deg, var(--green-950), var(--green-800)); }
.dark-panel h2, .dark-panel .eyebrow { color: white; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { color: white; font-weight: 850; padding: 14px 0 14px 34px; position: relative; border-bottom: 1px solid rgba(255,255,255,.16); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--lime); }
.privacy-grid { grid-template-columns: repeat(2, 1fr); }
.fine-print { font-size: .95rem !important; margin-top: 22px; }

.download, .support { text-align: center; padding: clamp(30px, 6vw, 62px); margin: 28px 0; }
.download img { width: 112px; height: 112px; border-radius: 24px; box-shadow: var(--shadow); }
.download .btn { margin-top: 10px; }
.download span { display: block; color: var(--muted); font-weight: 800; margin-top: 14px; }
.support a { color: var(--green-900); font-weight: 950; }

footer { max-width: 1180px; margin: 0 auto; padding: 28px 22px 46px; color: var(--muted); border-top: 1px solid var(--line); }

@media (max-width: 880px) {
  .site-header { position: static; align-items: flex-start; }
  nav { flex-wrap: wrap; justify-content: flex-end; }
  .hero, .intro, .dark-panel { grid-template-columns: 1fr; min-height: 0; }
  .hero-art { min-height: 420px; order: -1; }
  .app-icon-large { width: 260px; border-radius: 58px; transform: translate(-14%, -10%) rotate(-5deg); }
  .hero-card { width: 230px; transform: translate(28%, 24%) rotate(6deg); }
  .proof-strip, .screenshots, .feature-grid, .privacy-grid { grid-template-columns: 1fr; }
  .proof-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-strip div:last-child { border-bottom: 0; }
  .screenshots img:nth-child(n+2) { display: none; }
}

@media (max-width: 560px) {
  main { padding: 18px 14px 48px; }
  .site-header { padding: 12px 14px; }
  nav a:not(.nav-cta) { display: none; }
  h1 { font-size: clamp(3.4rem, 17vw, 5.4rem); }
  .cta-row, .btn { width: 100%; }
  .hero-art::before { inset: 7% 0 2% 5%; border-radius: 34px; }
}