:root {
  --color-bg: #0b1220;
  --color-bg-alt: #101a2e;
  --color-surface: #141f38;
  --color-border: #24304d;
  --color-text: #eaf0fb;
  --color-text-muted: #a6b3cc;
  --color-primary: #2f6fed;
  --color-primary-hover: #4f85f2;
  --color-accent: #22c58b;
  --radius: 14px;
  --max-width: 1120px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #f7f8fb;
    --color-bg-alt: #ffffff;
    --color-surface: #ffffff;
    --color-border: #e4e8f1;
    --color-text: #101828;
    --color-text-muted: #55617a;
    --color-primary: #2255d6;
    --color-primary-hover: #1a45b3;
    --color-accent: #0f9d63;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 12px; color: var(--color-text-muted); }
a { color: inherit; text-decoration: none; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.15rem; color: var(--color-text); }
.logo span { color: var(--color-primary); }
.logo-icon { flex: none; background: var(--color-bg-alt); border-radius: 7px; padding: 3px; }
.nav { display: flex; gap: 28px; }
.nav a { font-weight: 500; color: var(--color-text-muted); font-size: 0.95rem; transition: color .15s; }
.nav a:hover { color: var(--color-text); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 1.1rem;
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
}

/* Hero */
.hero { padding: 96px 0 72px; text-align: center; }
.hero-inner { max-width: 780px; margin: 0 auto; }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 14%, transparent);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); color: var(--color-text); }
.hero-sub { font-size: 1.1rem; margin-bottom: 28px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
.hero-note { font-size: 0.82rem; opacity: 0.7; }

.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform .15s, background .15s, border-color .15s;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.btn-ghost { border: 1px solid var(--color-border); color: var(--color-text); }
.btn-ghost:hover { border-color: var(--color-primary); }

/* Pain section */
.pain { padding: 64px 0; background: var(--color-bg-alt); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.pain h2 { text-align: center; max-width: 640px; margin: 0 auto 40px; color: var(--color-text); }
.pain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.pain-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}
.pain-card h3 { color: var(--color-text); }

/* Segmentos */
.segmentos { padding: 80px 0; }
.segmentos h2 { text-align: center; color: var(--color-text); margin-bottom: 8px; }
.section-sub { text-align: center; max-width: 520px; margin: 0 auto 32px; }
.seg-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
}
.seg-filter {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 8px 18px;
  cursor: pointer;
  transition: all .15s;
}
.seg-filter:hover { border-color: var(--color-primary); color: var(--color-text); }
.seg-filter.is-active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.segmentos-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.seg-card.is-hidden { display: none; }
.seg-card {
  position: relative;
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  text-decoration: none;
  transition: border-color .15s, transform .15s;
}
.seg-card:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.seg-card h3 { color: var(--color-text); margin-bottom: 8px; }
.seg-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.seg-status {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-muted);
}
.seg-card--featured {
  border-color: var(--color-accent);
  background: linear-gradient(160deg, color-mix(in srgb, var(--color-accent) 10%, var(--color-surface)), var(--color-surface));
}
.seg-tag--live { color: var(--color-bg); background: var(--color-accent); padding: 4px 10px; border-radius: 999px; }
.seg-status--live { color: var(--color-accent); }

/* Como funciona */
.como-funciona { padding: 80px 0; background: var(--color-bg-alt); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.como-funciona h2 { text-align: center; color: var(--color-text); margin-bottom: 44px; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; }
.step-num { display: block; font-size: 1.6rem; font-weight: 800; color: var(--color-primary); margin-bottom: 10px; }
.step h3 { color: var(--color-text); }

/* Credibilidade */
.credibilidade { padding: 72px 0; }
.credibilidade-inner { max-width: 680px; margin: 0 auto; text-align: center; }
.credibilidade h2 { color: var(--color-text); }
.disclaimer { font-size: 0.85rem; opacity: 0.75; margin-top: 18px; }

/* FAQ */
.faq { padding: 80px 0; }
.faq h2 { text-align: center; color: var(--color-text); margin-bottom: 36px; }
.faq details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.faq summary { cursor: pointer; font-weight: 600; color: var(--color-text); }
.faq details p { margin-top: 10px; margin-bottom: 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--color-border); padding: 48px 0 24px; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; margin-bottom: 24px; }
.footer-small { max-width: 320px; font-size: 0.85rem; }
.footer-legal { max-width: 320px; font-size: 0.76rem; opacity: 0.65; line-height: 1.5; margin-top: -4px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; align-items: flex-start; max-width: 340px; }
.footer-links a { font-size: 0.9rem; color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-text); }
.footer-copy { text-align: center; font-size: 0.78rem; opacity: 0.6; }

/* Paginas de conteudo (Termos, Privacidade) */
.legal-page { padding: 64px 0 96px; }
.legal-page .container { max-width: 760px; }
.legal-page h1 { font-size: clamp(1.6rem, 3vw, 2.1rem); color: var(--color-text); margin-bottom: 8px; }
.legal-page .legal-updated { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 40px; }
.legal-page h2 { font-size: 1.15rem; color: var(--color-text); margin: 36px 0 12px; }
.legal-page p, .legal-page li { color: var(--color-text-muted); font-size: 0.96rem; line-height: 1.7; }
.legal-page ul { padding-left: 20px; margin: 0 0 16px; }
.legal-page li { margin-bottom: 6px; }
.legal-page strong { color: var(--color-text); }
.legal-page a { color: var(--color-primary); text-decoration: underline; }

@media (max-width: 720px) {
  .nav { display: none; }
  .nav-toggle { display: inline-block; }
  .site-header.nav-open .nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 16px;
  }
}