/* viagem.chat — estilo único do site. Sem frameworks, sem dependências externas. */

:root {
  --bg: #ffffff;
  --bg-soft: #f4f7f6;
  --text: #1c2526;
  --muted: #5b6b6d;
  --border: #e2e8e7;
  --brand: #0f7b6c;
  --brand-dark: #0b5e53;
  --accent: #25d366; /* verde WhatsApp */
  --radius: 14px;
  --max: 1040px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111716;
    --bg-soft: #18201f;
    --text: #e8eeed;
    --muted: #a3b2b0;
    --border: #2a3533;
    --brand: #3cc2ad;
    --brand-dark: #5fd4c1;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}

a {
  color: var(--brand);
}

a:hover {
  color: var(--brand-dark);
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Cabeçalho */
.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  flex-wrap: wrap;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.logo span {
  color: var(--brand);
}

.site-nav {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--text);
}

/* Hero */
.hero {
  padding: 72px 0 64px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}

.hero p {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 32px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #0b2b1a;
  font-weight: 700;
  text-decoration: none;
  padding: 14px 26px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.28);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  color: #0b2b1a;
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(37, 211, 102, 0.36);
}

.hero small {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Seções */
section {
  padding: 56px 0;
}

section h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  letter-spacing: -0.02em;
  text-align: center;
  margin: 0 0 36px;
}

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}

.icon {
  font-size: 1.75rem;
  line-height: 1;
  margin-bottom: 12px;
  display: block;
}

.cta {
  text-align: center;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.cta p {
  color: var(--muted);
  margin: -20px auto 28px;
  max-width: 560px;
}

/* Páginas de texto (privacidade, termos) */
.legal {
  max-width: 760px;
  padding: 48px 20px 64px;
}

.legal h1 {
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
  margin: 0 0 4px;
}

.legal .updated {
  color: var(--muted);
  margin: 0 0 32px;
  font-size: 0.95rem;
}

.legal h2 {
  font-size: 1.3rem;
  margin: 36px 0 10px;
  text-align: left;
}

.legal ul {
  padding-left: 1.25rem;
}

.legal li {
  margin-bottom: 6px;
}

.legal .box {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}

/* Rodapé */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.site-footer p {
  margin: 4px 0;
}

.site-footer nav {
  margin-top: 10px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 560px) {
  .hero {
    padding: 52px 0 44px;
  }

  section {
    padding: 44px 0;
  }

  .site-nav {
    gap: 14px;
  }
}