/* Mobile-first, clean design for Brazilian car insurance landing page */

:root {
  --green: #00a878;
  --green-dark: #008f63;
  --dark: #1a1a2e;
  --gray: #f4f6f9;
  --gray-border: #e0e4ec;
  --text: #2d2d44;
  --text-muted: #6b6f82;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Header --- */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0,168,120,0.35);
}

.btn-primary:hover { background: var(--green-dark); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0,168,120,0.4); }
.btn-primary:active { transform: translateY(0); }

.btn-sm {
  background: var(--green);
  color: var(--white);
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-full { width: 100%; }

/* --- Hero --- */
.hero {
  background: var(--dark);
  color: var(--white);
  padding: 64px 0 72px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(0,168,120,0.15);
  color: #4ade80;
  border: 1px solid rgba(0,168,120,0.3);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 14px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--white);
}

.hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 500px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero-note {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}

/* --- Features --- */
.features {
  padding: 64px 0;
  background: var(--gray);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-border);
  transition: transform 0.15s ease;
}

.feature-card:hover { transform: translateY(-2px); }

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* --- Form Section --- */
.form-section {
  padding: 64px 0 72px;
}

.form-card {
  background: var(--white);
  border-radius: 16px;
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-border);
  max-width: 600px;
  margin: 0 auto;
}

.form-header {
  text-align: center;
  margin-bottom: 28px;
}

.form-header h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.form-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.form-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 24px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-border);
}

.lead-form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(0,168,120,0.12);
}

.form-group input::placeholder { color: #b0b5c4; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-privacy {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 4px;
}

/* Success/Error states */
.form-success {
  text-align: center;
  padding: 20px 0;
}

.success-icon {
  width: 56px;
  height: 56px;
  background: var(--green);
  color: white;
  border-radius: 50%;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.form-success h3 { font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.form-success p { color: var(--text-muted); font-size: 0.95rem; }

.form-error {
  background: #fff0f0;
  border: 1px solid #fca5a5;
  border-radius: 8px;
  padding: 14px 16px;
  margin-top: 12px;
}

.form-error p { color: #c0392b; font-size: 0.9rem; }

/* --- Trust --- */
.trust-section {
  background: var(--green);
  padding: 28px 0;
  text-align: center;
}

.trust-text {
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 500;
}

.trust-text strong { font-weight: 800; }

/* --- Footer --- */
.footer {
  background: var(--dark);
  padding: 24px 0;
  text-align: center;
}

.footer p { color: rgba(255,255,255,0.4); font-size: 0.82rem; }

/* --- Tablet+ --- */
@media (min-width: 640px) {
  .hero { padding: 80px 0 96px; }

  .hero-actions { flex-direction: row; align-items: center; gap: 20px; }
  .hero-note { margin-top: 0; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }

  .form-card { padding: 44px 40px; }
}

/* --- Desktop --- */
@media (min-width: 1024px) {
  .features-grid { grid-template-columns: repeat(4, 1fr); }

  .hero-title { font-size: 3.5rem; }
}

/* --- Submit button disabled state --- */
#submit-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none !important;
}

/* --- Scroll offset for sticky header --- */
#form { scroll-margin-top: 68px; }