:root {
  --bg: #0f1720;
  --bg-alt: #141f2b;
  --surface: #1b2836;
  --text: #eef2f6;
  --text-muted: #9fb0c0;
  --primary: #3ddc97;
  --primary-dark: #22b57a;
  --border: #2a3948;
  --radius: 12px;
  --max-width: 1080px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fa;
    --bg-alt: #ffffff;
    --surface: #ffffff;
    --text: #16212c;
    --text-muted: #52667a;
    --border: #e2e8ef;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

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

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

@media (max-width: 720px) {
  .nav-links { display: none; }
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--primary);
  color: #06231a;
}

.btn-primary:hover { background: var(--primary-dark); }

.btn-small { padding: 9px 16px; font-size: 0.88rem; }

.hero {
  padding: 96px 0 72px;
  background:
    radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--primary) 14%, transparent), transparent 60%),
    var(--bg);
}

.hero-inner {
  max-width: 720px;
}

.eyebrow {
  display: inline-block;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin: 0 0 32px;
  max-width: 560px;
}

.hero-form {
  display: flex;
  gap: 10px;
  max-width: 480px;
  flex-wrap: wrap;
}

.hero-form input {
  flex: 1 1 240px;
  padding: 13px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.95rem;
}

.hero-form input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.hero-note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.section { padding: 72px 0; }

.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
  margin: 0 0 40px;
  max-width: 640px;
}

.problema { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card, .feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.card h3 { margin: 0 0 12px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--text-muted); }

.feature-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  margin-bottom: 12px;
}

.feature h3 { margin: 0 0 12px; font-size: 1.2rem; }
.feature p { margin: 0; color: var(--text-muted); }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  background: var(--surface);
}

th, td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}

th { color: var(--text-muted); font-weight: 600; }
tr:last-child td { border-bottom: none; }

.highlight { color: var(--primary); font-weight: 700; }

.table-note {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.fundador {
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 16%, var(--bg-alt)), var(--bg-alt));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.fundador-inner { max-width: 640px; }
.fundador-sub { color: var(--text-muted); margin-bottom: 24px; }

.fundador-list {
  padding-left: 20px;
  margin: 0 0 32px;
  color: var(--text-muted);
}

.fundador-list li { margin-bottom: 8px; }

.faq-list { max-width: 720px; display: flex; flex-direction: column; gap: 10px; }

details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}

summary {
  cursor: pointer;
  font-weight: 600;
}

details p {
  margin: 12px 0 0;
  color: var(--text-muted);
}

.cadastro-final { text-align: center; }
.cadastro-inner { max-width: 520px; margin: 0 auto; }
.cadastro-final .hero-form { justify-content: center; margin: 24px auto 0; }

.form-feedback {
  min-height: 20px;
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--primary);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-links { display: flex; gap: 20px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--text); }