:root {
  --brand: #0f766e;
  --brand-2: #14b8a6;
  --brand-dark: #0b4f4a;
  --accent: #fbbf24;
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-alt: #f0fdfa;
  --radius: 16px;
  --shadow: 0 20px 45px -20px rgba(15, 118, 110, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Noto Sans", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: var(--brand); text-decoration: none; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.4vw, 3.3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); letter-spacing: -0.01em; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }

.container { width: min(1140px, 92vw); margin: 0 auto; }
.narrow { width: min(820px, 92vw); }

/* Navigation */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 1.25rem; white-space: nowrap; }
.brand img { flex: none; }
.brand em { font-style: normal; color: var(--brand); font-weight: 600; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--muted); font-weight: 500; }
.nav-links a:hover { color: var(--brand); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: 1rem;
  border: 2px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn svg { width: 20px; height: 20px; fill: currentColor; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--brand-2); color: var(--brand); }
.btn-light { background: #fff; color: var(--brand-dark); }
.btn-sm { padding: 9px 18px; font-size: .92rem; }

/* Hero */
.hero {
  padding: 72px 0 56px;
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(20, 184, 166, .18), transparent 60%),
    radial-gradient(700px 360px at -10% 20%, rgba(251, 191, 36, .12), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.pill {
  display: inline-block; padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
  background: var(--bg-alt); color: var(--brand-dark); font-weight: 600; font-size: .85rem; border: 1px solid #ccfbf1;
}
.hl { background: linear-gradient(transparent 62%, rgba(251, 191, 36, .55) 0); }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 36em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin: 26px 0 22px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; padding: 0; margin: 0; color: var(--muted); font-size: .95rem; }
.hero-points li::before { content: "✓"; color: var(--brand); font-weight: 700; margin-right: 8px; }

/* Product mock */
.hero-visual { position: relative; }
.window {
  background: #fff; border-radius: 14px; border: 1px solid var(--line);
  box-shadow: 0 40px 80px -30px rgba(15, 23, 42, .35); overflow: hidden;
}
.window-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; background: var(--brand); color: #fff; font-size: .82rem; }
.window-bar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, .55); }
.window-bar b { margin-left: 8px; font-weight: 600; }
.window-body { padding: 16px; }
.mock-search {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; border: 1.5px solid var(--brand-2);
  border-radius: 10px; font-size: .9rem; color: var(--muted);
}
.mock-search i { color: var(--ink); font-style: normal; font-weight: 600; }
.kbd { margin-left: auto; font-size: .72rem; border: 1px solid var(--line); border-radius: 6px; padding: 1px 7px; background: #f8fafc; }
.mock-table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: .82rem; }
.mock-table th { text-align: left; color: var(--muted); font-weight: 600; padding: 6px 4px; border-bottom: 1.5px solid var(--line); }
.mock-table td { padding: 7px 4px; border-bottom: 1px solid #f1f5f9; }
.mock-table td:last-child, .mock-table th:last-child { text-align: right; }
.mock-table tr.warn td:nth-child(3) { color: #b45309; font-weight: 700; }
.mock-foot { display: flex; justify-content: space-between; align-items: end; padding-top: 4px; }
.mock-foot small { display: block; color: var(--muted); font-size: .72rem; }
.mock-foot b { font-size: .9rem; }
.mock-total b { font-size: 1.45rem; color: var(--brand-dark); }
.mock-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip { font-size: .75rem; padding: 4px 10px; border-radius: 999px; font-weight: 600; }
.chip.ok { background: #dcfce7; color: #166534; }
.chip.wa { background: #e0f2fe; color: #075985; }
.float-card {
  position: absolute; background: #fff; border-radius: 12px; padding: 10px 14px; border: 1px solid var(--line);
  box-shadow: 0 18px 40px -18px rgba(15, 23, 42, .35); font-size: .82rem;
}
.float-card b { display: block; color: var(--brand-dark); }
.float-card span { color: var(--muted); }
.fc-1 { left: -26px; bottom: 54px; }
.fc-2 { right: -18px; top: -20px; }

/* Strip */
.strip { background: var(--brand-dark); color: #e6fffb; }
.strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 26px 0; }
.strip-grid b { display: block; font-size: 1.6rem; color: var(--accent); }
.strip-grid span { font-size: .92rem; opacity: .9; }

/* Sections */
.section { padding: 84px 0; }
.section.alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 44px; }
.section-head p, .muted { color: var(--muted); font-size: 1.05rem; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #99f6e4; }
.feature .ico {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; font-size: 1.35rem;
  background: var(--bg-alt); margin-bottom: 14px;
}
.feature p { color: var(--muted); font-size: .96rem; margin: 0; }

.why-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 14px; }
.checks li { padding-left: 34px; position: relative; color: var(--muted); }
.checks li b { color: var(--ink); }
.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--brand); color: #fff; font-size: .78rem; display: grid; place-items: center; font-weight: 700;
}
.quote-card {
  background: #fff; border-radius: var(--radius); padding: 30px; border: 1px solid #ccfbf1; box-shadow: var(--shadow);
}
.quote-card p { font-weight: 700; font-size: 1.1rem; margin-bottom: 12px; }
.quote-card ul { margin: 0; padding-left: 20px; color: var(--muted); display: grid; gap: 8px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; }
.step span {
  display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: var(--accent); color: var(--ink); font-weight: 800; margin-bottom: 14px;
}
.step p { color: var(--muted); margin: 0; }

details {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0 22px; margin-bottom: 12px;
}
summary { cursor: pointer; padding: 18px 0; font-weight: 600; list-style: none; position: relative; padding-right: 28px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 1.4rem; color: var(--brand); }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); padding-bottom: 18px; margin: 0; }

/* CTA */
.cta { background: linear-gradient(135deg, var(--brand-dark), var(--brand)); color: #fff; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.cta p { color: #ccfbf1; font-size: 1.08rem; }
.demo-form {
  background: #fff; color: var(--ink); border-radius: var(--radius); padding: 28px; display: grid; gap: 14px;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .5);
}
.demo-form label { display: grid; gap: 6px; font-weight: 600; font-size: .92rem; }
.demo-form input, .demo-form select {
  font: inherit; font-weight: 400; padding: 12px 14px; border-radius: 10px; border: 1.5px solid var(--line); background: #fff;
}
.demo-form input:focus, .demo-form select:focus { outline: none; border-color: var(--brand-2); box-shadow: 0 0 0 3px rgba(20, 184, 166, .2); }
.demo-form input.invalid { border-color: #dc2626; }
.form-note { margin: 0; font-size: .85rem; color: var(--muted); text-align: center; }
.form-note.error { color: #dc2626; }

/* Footer */
.footer { padding: 34px 0; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; }
.footer p { margin: 0; color: var(--muted); }
.footer .small { font-size: .88rem; }
.footer-brand { font-size: 1.05rem; }

/* WhatsApp floating button */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; display: grid; place-items: center; box-shadow: 0 12px 30px -10px rgba(0, 0, 0, .4); z-index: 30;
}
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* Legal page */
.legal { padding: 60px 0 80px; }
.legal h1 { font-size: 2rem; }
.legal h2 { font-size: 1.2rem; margin-top: 1.6em; }
.legal p, .legal li { color: var(--muted); }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .why-grid, .cta-grid { grid-template-columns: 1fr; }
  .features, .steps { grid-template-columns: repeat(2, 1fr); }
  .strip-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .nav-inner .btn { margin-left: auto; }
  .nav-inner .btn + .btn { margin-left: 0; }
  .fc-1 { left: 8px; } .fc-2 { right: 8px; }
}
@media (max-width: 620px) {
  .nav-inner { gap: 12px; height: 60px; }
  .brand { font-size: 1.1rem; }
  .btn-sm { padding: 8px 14px; font-size: .85rem; }
  .nav-demo { display: none; }
  .cta-row .btn { width: 100%; white-space: normal; }
  .features, .steps { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero { padding: 48px 0 40px; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { justify-content: center; }
  .mock-table th:nth-child(2), .mock-table td:nth-child(2) { display: none; }
}