:root {
  --primary: #0f766e;
  --primary-dark: #0b5a54;
  --primary-soft: #e6f4f2;
  --wa: #25d366;
  --wa-dark: #0a3d1f;
  --ink: #0f1d1c;
  --muted: #4a5b59;
  --line: #dde7e5;
  --bg: #ffffff;
  --bg-alt: #f6faf9;
  --radius: 16px;
  --max: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 1rem;
  -webkit-text-size-adjust: 100%;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--primary); }
h1, h2, h3 { line-height: 1.2; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 10px 14px; z-index: 100; }
.skip:focus { left: 0; }

/* Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 24px; border-radius: 999px;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: transform .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #f59e0b; outline-offset: 2px; }
.btn svg { width: 22px; height: 22px; flex: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-wa { background: var(--wa); color: var(--wa-dark); }
.btn-wa:hover { background: #1fbd5a; }
.btn-ghost { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-ghost:hover { background: var(--primary-soft); }

/* Cabeçalho */
.header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; font-size: 1.35rem; letter-spacing: -.02em; color: var(--primary); text-decoration: none; }
.nav-toggle { background: none; border: 0; width: 48px; height: 48px; display: grid; place-items: center; cursor: pointer; color: var(--ink); }
.nav-toggle svg { width: 26px; height: 26px; }
.nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 20px 16px; flex-direction: column; }
.nav.open { display: flex; }
.nav a { padding: 14px 0; min-height: 44px; color: var(--ink); text-decoration: none; font-weight: 500; border-bottom: 1px solid var(--line); }
.nav a.nav-cta { margin-top: 12px; border: 0; border-radius: 999px; background: var(--primary); color: #fff; text-align: center; font-weight: 600; }

/* Hero */
.hero { padding: 48px 0 56px; background: linear-gradient(180deg, var(--primary-soft), #fff 90%); }
.eyebrow { display: inline-block; font-size: .85rem; font-weight: 600; color: var(--primary-dark); background: #fff; border: 1px solid var(--line); padding: 6px 14px; border-radius: 999px; margin-bottom: 20px; }
.hero h1 { font-size: clamp(2rem, 7.5vw, 3.4rem); line-height: 1.1; letter-spacing: -.03em; margin: 0 0 16px; max-width: 18ch; }
.hero .slogan { font-size: 1.1rem; color: var(--muted); max-width: 52ch; margin: 0 0 28px; }
.cta { display: flex; flex-direction: column; gap: 12px; max-width: 380px; }
.trust { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 14px; max-width: 760px; }
.trust li { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); font-size: .95rem; }
.trust svg { width: 22px; height: 22px; color: var(--primary); flex: none; margin-top: 2px; }
.trust strong { color: var(--ink); }

/* Secções */
section { padding: 56px 0; }
.alt { background: var(--bg-alt); }
.section-head { margin-bottom: 28px; }
.section-head h2 { font-size: clamp(1.6rem, 5vw, 2.2rem); letter-spacing: -.02em; margin: 0 0 8px; }
.section-head p { color: var(--muted); margin: 0; max-width: 62ch; }

/* Cartões */
.cards { display: grid; gap: 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card .icon { width: 48px; height: 48px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; margin-bottom: 14px; }
.card .icon svg { width: 26px; height: 26px; }
.card h3 { margin: 0 0 12px; font-size: 1.2rem; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 9px 0; border-top: 1px solid var(--line); }
.price { margin: 0; font-size: 1.5rem; font-weight: 800; color: var(--primary-dark); }
.note { color: var(--muted); font-size: .9rem; margin: 12px 0 0; }

/* Websites */
.chips { list-style: none; margin: 24px 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-size: .95rem; font-weight: 500; }

/* Empresas */
.points { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 12px; }
.points li { display: flex; align-items: center; gap: 14px; padding: 16px 18px; border-radius: var(--radius); background: var(--primary-soft); font-weight: 600; }
.points svg { width: 26px; height: 26px; color: var(--primary); flex: none; }

/* Como funciona */
.steps { list-style: none; counter-reset: passo; margin: 0; padding: 0; display: grid; gap: 16px; }
.steps li { counter-increment: passo; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.steps li::before { content: counter(passo); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; margin-bottom: 12px; }
.steps h3 { margin: 0 0 6px; font-size: 1.2rem; }
.steps p { margin: 0; color: var(--muted); }

/* Preços */
.price-grid { display: grid; gap: 20px; }
.price-table { list-style: none; margin: 0; padding: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.price-table li { display: flex; justify-content: space-between; gap: 16px; padding: 14px 20px; border-top: 1px solid var(--line); }
.price-table li:first-child { border-top: 0; }
.price-table b { white-space: nowrap; color: var(--primary-dark); }
.conditions { background: var(--primary-soft); border: 2px solid var(--primary); border-radius: var(--radius); padding: 22px 22px 20px; }
.conditions h3 { margin: 0 0 12px; font-size: 1.2rem; color: var(--primary-dark); }
.conditions ul { margin: 0; padding-left: 20px; }
.conditions li { margin-bottom: 8px; font-weight: 500; }
.conditions .complex { margin: 14px 0 0; padding-top: 14px; border-top: 1px solid rgba(15,118,110,.3); font-weight: 700; }

/* Sobre */
.about-grid { display: grid; gap: 28px; }
.about-text p { font-size: 1.05rem; max-width: 62ch; margin: 0 0 16px; }
.creds { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; align-content: start; }
.creds li { display: flex; align-items: center; gap: 14px; padding: 16px 18px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); font-weight: 600; }
.creds svg { width: 26px; height: 26px; color: var(--primary); flex: none; }

/* FAQ */
.faq { max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; min-height: 56px; padding: 16px 32px 16px 0; font-weight: 600; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; color: var(--primary); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 16px; color: var(--muted); }

/* Contacto */
.contact-layout { display: grid; gap: 28px; }
.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 10px 14px; font: inherit; color: var(--ink);
  background: #fff; border: 1px solid #b9c9c6; border-radius: 10px;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid #f59e0b; outline-offset: 1px; border-color: var(--primary); }
.field .error { color: #b42318; font-size: .9rem; margin: 6px 0 0; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #b42318; }
.consent { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 20px; }
.consent input { width: 24px; height: 24px; flex: none; margin: 2px 0 0; accent-color: var(--primary); }
.consent .error { color: #b42318; font-size: .9rem; margin: 6px 0 0; }
.form .btn { width: 100%; }
.privacy { color: var(--muted); font-size: .85rem; margin: 12px 0 0; text-align: center; }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.contact-grid { display: grid; gap: 14px; align-content: start; }
.contact-item { display: flex; align-items: center; gap: 14px; min-height: 64px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 20px; text-decoration: none; color: var(--ink); }
.contact-item svg { width: 26px; height: 26px; color: var(--primary); flex: none; }
.contact-item small { display: block; color: var(--muted); }
.contact-item b { word-break: break-word; }

/* Rodapé */
.footer { background: var(--ink); color: #c9d6d4; padding: 40px 0 96px; font-size: .95rem; }
.footer a { color: #fff; }
.footer p { margin: 0 0 8px; }
.footer-grid { display: grid; gap: 24px; }
.footer-brand { font-size: 1.3rem; font-weight: 800; color: #fff; }
.footer nav { display: grid; gap: 4px; }
.footer nav a { text-decoration: none; padding: 6px 0; }
.footer .copy { margin-top: 28px; padding-top: 20px; border-top: 1px solid #2a3a38; font-size: .85rem; }

/* Página de confirmação */
.thanks { padding: 48px 0; min-height: 100vh; background: linear-gradient(180deg, var(--primary-soft), #fff 70%); }
.thanks h1 { font-size: clamp(1.8rem, 6vw, 2.6rem); margin: 40px 0 12px; }
.thanks p { color: var(--muted); max-width: 52ch; margin: 0 0 28px; }

/* Botão fixo WhatsApp (mobile) */
.wa-fab {
  position: fixed; right: 16px; bottom: 16px; z-index: 60;
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--wa); color: var(--wa-dark);
  display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
}
.wa-fab svg { width: 34px; height: 34px; }

@media (min-width: 720px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .points { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .cta { flex-direction: row; flex-wrap: wrap; max-width: none; }
  .trust { grid-template-columns: repeat(3, 1fr); max-width: none; }
  .footer { padding-bottom: 40px; }
  .footer-grid { grid-template-columns: 2fr 1fr 1.4fr; }
}
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .nav { display: flex; align-items: center; position: static; flex-direction: row; gap: 24px; padding: 0; border: 0; background: none; }
  .nav a { padding: 0; min-height: 0; border: 0; font-size: .95rem; }
  .nav a:hover { color: var(--primary); }
  .nav a.nav-cta { margin: 0; padding: 10px 20px; color: #fff; }
  .nav a.nav-cta:hover { color: #fff; background: var(--primary-dark); }
  .hero { padding: 88px 0 96px; }
  .price-grid { grid-template-columns: 1.1fr 1fr; align-items: start; }
  .about-grid { grid-template-columns: 1.4fr 1fr; }
  .contact-layout { grid-template-columns: 1.3fr 1fr; align-items: start; }
  .wa-fab { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}