:root {
  --bg: #fbfbf9;
  --ink: #161a17;
  --muted: #5e655f;
  --faint: #8b918b;
  --line: rgba(22, 26, 23, 0.10);
  --accent: #315c46;
  --accent-soft: rgba(49, 92, 70, 0.08);
  --card: #ffffff;
  --maxw: 980px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
img { display: block; }

/* Button */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  background: var(--accent); color: #fff;
  padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: 14px;
  transition: transform .15s ease, opacity .2s ease;
}
.btn:hover { opacity: .92; transform: translateY(-1px); }
.btn-lg { padding: 15px 30px; font-size: 16px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--maxw); margin: 0 auto;
  width: 100%;
}
.nav::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: rgba(251, 251, 249, 0.8); backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.2px; }
.brand-img { width: 28px; height: 28px; border-radius: 8px; }

/* Hero */
.hero {
  max-width: 720px; margin: 0 auto; padding: 72px 24px 40px;
  text-align: center;
}
.hero-logo {
  width: 96px; height: 96px; border-radius: 24px; margin: 0 auto 28px;
  box-shadow: 0 18px 50px rgba(49, 92, 70, 0.22);
}
.hero h1 {
  font-size: clamp(34px, 6vw, 56px); line-height: 1.05; letter-spacing: -1.4px; font-weight: 800;
}
.accent { color: var(--accent); }
.sub {
  margin: 18px auto 0; max-width: 540px;
  color: var(--muted); font-size: 17px; letter-spacing: -0.1px;
}
.cta { margin-top: 30px; }
.tiny { margin-top: 14px; color: var(--faint); font-size: 13px; }

/* Screenshots */
.shots { max-width: var(--maxw); margin: 24px auto 0; padding: 0 24px; overflow: hidden; }
.phones {
  display: flex; gap: 18px; justify-content: center; align-items: flex-end;
  overflow-x: auto; padding: 24px 4px; scrollbar-width: none;
}
.phones::-webkit-scrollbar { display: none; }
.shot {
  width: 220px; flex: 0 0 auto; border-radius: 28px;
  border: 1px solid var(--line); box-shadow: 0 20px 50px rgba(22, 26, 23, 0.10);
}
.phones:empty { display: none; }

/* Features */
.features {
  max-width: var(--maxw); margin: 56px auto; padding: 0 24px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.feat {
  background: var(--card); border: 1px solid var(--line); border-radius: 20px;
  padding: 26px 24px;
}
.ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 16px;
}
.ico svg { width: 22px; height: 22px; }
.feat h3 { font-size: 17px; letter-spacing: -0.3px; }
.feat p { margin-top: 8px; color: var(--muted); font-size: 14.5px; }

/* FAQ */
.faq { max-width: 680px; margin: 72px auto; padding: 0 24px; }
.faq h2 { font-size: 26px; letter-spacing: -0.6px; margin-bottom: 18px; }
.faq details {
  border-top: 1px solid var(--line); padding: 16px 2px;
}
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; font-weight: 600; font-size: 16px; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 700; font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 10px; color: var(--muted); font-size: 15px; }

/* Closing */
.closing { text-align: center; padding: 64px 24px; }
.closing h2 { font-size: clamp(26px, 4vw, 36px); letter-spacing: -0.8px; margin-bottom: 24px; }

/* Footer */
.footer {
  max-width: var(--maxw); margin: 0 auto; padding: 32px 24px 56px;
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center; color: var(--muted);
}
.footer a[href^="mailto"] { color: var(--accent); font-size: 14px; }
.copy { color: var(--faint); font-size: 13px; }

/* Legal pages (privacy) */
.legal { max-width: 720px; margin: 0 auto; padding: 56px 24px 40px; }
.legal h1 { font-size: clamp(30px, 5vw, 42px); letter-spacing: -1px; }
.legal .updated { color: var(--faint); font-size: 14px; margin: 8px 0 28px; }
.legal h2 { font-size: 19px; letter-spacing: -0.3px; margin: 32px 0 8px; }
.legal p { color: var(--muted); font-size: 15.5px; margin-bottom: 12px; }
.legal ul { color: var(--muted); font-size: 15.5px; margin: 8px 0 12px; padding-left: 20px; }
.legal li { margin-bottom: 8px; }
.legal a { color: var(--accent); }
.legal strong { color: var(--ink); }

/* Responsive */
@media (max-width: 820px) {
  .features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .features { grid-template-columns: 1fr; }
  .shot { width: 180px; }
}