:root {
  --green: #10B981;
  --green-600: #0EA36D;
  --green-700: #0C8B5C;
  --dark: #0B1B14;
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --card: #ffffff;
  --shadow: 0 10px 30px rgba(16, 185, 129, 0.15);
}
html[data-theme="dark"] {
  --bg: #0b0f13;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --card: #0f141a;
  --shadow: 0 10px 30px rgba(0,0,0,0.4);
}

* { box-sizing: border-box }
html { scroll-behavior: smooth }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(8px);
}
.navbar {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(15,23,42,0.06);
  background: color-mix(in oklab, var(--bg) 92%, transparent);
}
.navbar.scrolled { box-shadow: 0 6px 16px rgba(15,23,42,0.06) }
.brand {
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}
.theme-toggle {
  appearance: none;
  border: none;
  background: color-mix(in oklab, var(--card) 70%, transparent);
  color: var(--text);
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 4px 10px rgba(15,23,42,0.06);
  cursor: pointer;
}
.nav-links {
  list-style: none;
  display: flex;
  justify-content: flex-end;
  gap: 18px;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}
.nav-links a:hover { color: var(--green) }

.hero {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 28px;
  padding: 56px 20px 32px;
  background: linear-gradient(135deg, color-mix(in oklab, var(--green) 12%, var(--bg)) 0%, var(--bg) 60%);
}
.hero-content h1 { font-size: clamp(28px, 5vw, 44px); margin: 0 0 12px }
.hero-content p { font-size: clamp(16px, 3.2vw, 18px); color: var(--muted); margin: 0 0 18px }
.hero .note { color: var(--muted); margin-top: 12px }
.cta-group { display: flex; flex-wrap: wrap; gap: 12px }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn.primary { background: var(--green); color: #fff; box-shadow: var(--shadow) }
.btn.primary:hover { transform: translateY(-1px); background: var(--green-600) }
.btn.outline { border: 2px solid color-mix(in oklab, var(--green) 60%, var(--bg)); color: var(--green) }
.btn.outline:hover { background: color-mix(in oklab, var(--green) 10%, var(--bg)); }
.btn.ghost { color: var(--muted) }

.hero-visual { display: grid; place-items: center }
.phone {
  width: min(320px, 86vw);
  height: min(640px, 160vw);
  border-radius: 40px;
  background: linear-gradient(180deg, #111, #333);
  box-shadow: 0 40px 80px rgba(0,0,0,.25);
  position: relative;
  overflow: hidden;
}
.phone .notch { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 40%; height: 22px; background: #222; border-bottom-left-radius: 16px; border-bottom-right-radius: 16px }
.screen { position: absolute; inset: 22px; border-radius: 28px; background: linear-gradient(180deg, #e9fdf5, #f6fffb) }
.screen .map { position: absolute; inset: 0; background: radial-gradient(circle at 20% 30%, #d7f9ef 0 20%, transparent 20%), radial-gradient(circle at 70% 40%, #d7f9ef 0 18%, transparent 18%), radial-gradient(circle at 45% 80%, #d7f9ef 0 16%, transparent 16%) }
.screen .pin { position: absolute; left: 50%; top: 46%; width: 26px; height: 26px; background: var(--green); border-radius: 50%; transform: translate(-50%,-50%); box-shadow: 0 8px 20px rgba(16,185,129,.4) }
.screen .card { position: absolute; left: 16px; right: 16px; bottom: 16px; background: #fff; border-radius: 18px; padding: 12px; box-shadow: 0 14px 24px rgba(15,23,42,.12) }
.screen .card .dot { width: 10px; height: 10px; background: var(--green); border-radius: 50% }
.screen .card .lines { height: 8px; border-radius: 6px; background: #e2e8f0; margin-top: 8px }

.about, .features, .roles, .download, .contact { padding: 40px 0 }
.features .grid, .roles .grid { display: grid; grid-template-columns: 1fr; gap: 16px }
.features .card, .roles .card {
  background: var(--card);
  border: 1px solid rgba(100, 116, 139, 0.14);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 10px 18px rgba(15,23,42,0.06);
  transition: transform .18s ease, box-shadow .18s ease;
}
.features .card:hover, .roles .card:hover { transform: translateY(-2px); box-shadow: 0 20px 30px rgba(15,23,42,0.08) }
.card .icon { font-size: 28px; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 12px; background: color-mix(in oklab, var(--green) 14%, var(--bg)); color: var(--green); margin-bottom: 8px }
.soon { color: var(--muted); font-size: 12px; margin-top: 6px }

.roles .grid.three { grid-template-columns: 1fr }

.download .store-grid { display: grid; grid-template-columns: 1fr; gap: 12px }
.store-badge {
  display: flex; align-items: center; gap: 12px;
  background: #000; color: #fff; text-decoration: none;
  border-radius: 14px; padding: 10px 14px; width: fit-content;
}
.store-badge .text small { opacity: .7; font-size: 11px; display: block }
.store-badge .text { font-weight: 700 }
.play-icon { width: 0; height: 0; border-left: 14px solid #34d399; border-top: 9px solid transparent; border-bottom: 9px solid transparent }

.cta { padding: 48px 0; background: linear-gradient(90deg, color-mix(in oklab, var(--green) 8%, var(--bg)), var(--bg)) }
.cta .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px }
.cta p { font-size: 18px; margin: 0 }

.contact .contact-actions { display: flex; gap: 12px; flex-wrap: wrap }

.whatsapp-float {
  position: fixed; right: 16px; bottom: 16px; width: 52px; height: 52px; border-radius: 50%; background: #25D366; color: #fff; display: grid; place-items: center; box-shadow: 0 12px 28px rgba(37, 211, 102, .45);
}

.site-footer { padding: 24px 0; border-top: 1px solid rgba(15,23,42,0.06) }
.footer-brand { font-weight: 800; letter-spacing: .06em }
.footer-tagline { color: var(--muted); margin-top: 6px }
.footer-meta { color: var(--muted); margin-top: 4px }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease }
.reveal.visible { opacity: 1; transform: translateY(0) }

@media (min-width: 768px) {
  .hero { grid-template-columns: 1.1fr .9fr; padding: 80px 20px }
  .features .grid { grid-template-columns: repeat(3, 1fr) }
  .roles .grid.three { grid-template-columns: repeat(3, 1fr) }
  .download .store-grid { grid-template-columns: repeat(3, max-content) }
}
@media (min-width: 1100px) {
  .navbar { padding: 16px 40px }
  .hero { padding: 100px 40px }
}
/* form styles */
.form-card { max-width: 560px; margin: 16px auto }
.form { display: grid; gap: 14px }
.form-group { display: grid; gap: 6px }
.form-group label { font-weight: 600 }
.form-group input, .form-group select {
  padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(100,116,139,.3);
  background: var(--bg); color: var(--text);
}
.form-group input:focus, .form-group select:focus { outline: 2px solid color-mix(in oklab, var(--green) 30%, var(--bg)) }
.form-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap }
.help { color: var(--muted); font-size: 13px }