/* AlphaTech — landing page institucional
   Paleta e tipografia extraídas de alphatech/app/src/theme (colors.ts, typography.ts)
   pra manter consistência visual com o app. */

:root {
  --accent: #12B5A6;
  --on-accent: #0E1013;

  --ink: #0E1013;
  --graphite: #14171C;

  --background: #F7F8F8;
  --surface: #FFFFFF;

  --text-primary: #14171C;
  --text-secondary: #6E7580;
  --text-muted: #9AA1AA;

  --text-on-dark: #FFFFFF;
  --text-on-dark-secondary: rgba(255,255,255,0.55);
  --text-on-dark-muted: rgba(255,255,255,0.42);

  --border: rgba(20,23,28,0.09);
  --border-strong: rgba(20,23,28,0.18);
  --border-on-dark: rgba(255,255,255,0.12);

  --accent-tint: rgba(18,181,166,0.1);
  --accent-tint-strong: rgba(18,181,166,0.16);

  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 9px;
  --radius-md: 14px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-xxl: 22px;

  --shadow-card: 0 8px 24px rgba(14,16,19,0.08);
  --shadow-card-lg: 0 16px 40px rgba(14,16,19,0.12);

  --container-w: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--background);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 800; letter-spacing: -0.3px; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }

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

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-xxl);
  font-family: var(--font);
  font-weight: 700;
  font-size: 14.5px;
  border: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-accent {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 6px 18px rgba(18,181,166,0.28);
}
.btn-accent:hover { opacity: 0.92; }

.btn-ghost {
  background: transparent;
  color: var(--text-on-dark);
  border: 1.5px solid var(--border-on-dark);
}
.btn-ghost:hover { background: rgba(255,255,255,0.06); }

.btn-lg { padding: 15px 28px; font-size: 15.5px; }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-strong);
}
.btn-outline:hover { background: rgba(20,23,28,0.04); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247,248,248,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 17px;
  flex-shrink: 0;
}

.logo-word {
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.3px;
  color: var(--text-primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color .15s ease;
}
.main-nav a:hover { color: var(--text-primary); }

.header-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

/* Hero */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--text-on-dark);
  overflow: hidden;
  padding: 96px 0 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(18,181,166,0.16), transparent 40%),
    radial-gradient(circle at 85% 0%, rgba(18,181,166,0.12), transparent 45%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 760px;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(18,181,166,0.12);
  border: 1px solid rgba(18,181,166,0.28);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.12;
  margin-bottom: 18px;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-on-dark-secondary);
  max-width: 560px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}
.trust-row li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-on-dark-secondary);
}
.trust-icon { font-size: 15px; }

/* Categorias */
.categorias { padding: 44px 0; }
.categorias-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.categoria-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 14px;
  box-shadow: var(--shadow-card);
}
.categoria-icon { font-size: 26px; }

/* Seções genéricas */
.section-title {
  font-size: clamp(24px, 3.4vw, 32px);
  margin-bottom: 10px;
}
.section-sub {
  font-size: 15.5px;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.5;
}

/* Como funciona */
.como-funciona { padding: 84px 0; }

.passos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.passo {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  box-shadow: var(--shadow-card);
}
.passo-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--accent-tint);
  color: var(--accent);
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 16px;
}
.passo h3 { font-size: 16px; margin-bottom: 8px; }
.passo p { font-size: 13.5px; color: var(--text-secondary); line-height: 1.5; }

/* Prestadores */
.prestadores {
  background: var(--graphite);
  color: var(--text-on-dark);
  padding: 84px 0;
}
.prestadores-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.eyebrow-dark {
  background: rgba(18,181,166,0.14);
}
.prestadores-texto h2 {
  font-size: clamp(24px, 3.4vw, 32px);
  margin: 18px 0 16px;
  line-height: 1.2;
}
.prestadores-texto p {
  font-size: 15px;
  color: var(--text-on-dark-secondary);
  line-height: 1.6;
  margin-bottom: 22px;
}
.lista-check { margin-bottom: 30px; }
.lista-check li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: var(--text-on-dark-secondary);
  margin-bottom: 12px;
  line-height: 1.4;
}
.lista-check li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 800;
}

.prestadores-card { display: flex; justify-content: center; }
.mock-card {
  background: var(--surface);
  color: var(--text-primary);
  border-radius: var(--radius-xl);
  padding: 22px;
  width: 100%;
  max-width: 300px;
  box-shadow: var(--shadow-card-lg);
}
.mock-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.mock-badge {
  background: var(--accent-tint);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 999px;
}
.mock-dist { font-size: 12.5px; color: var(--text-muted); font-weight: 600; }
.mock-desc { font-size: 14.5px; line-height: 1.5; margin-bottom: 18px; }
.mock-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.mock-valor { font-weight: 800; font-size: 16px; }
.mock-btn {
  background: var(--accent);
  color: var(--on-accent);
  font-size: 12.5px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 999px;
}

/* Garantia */
.garantia { padding: 84px 0; }
.garantia-inner { text-align: center; }
.garantia-inner .section-sub { margin-left: auto; margin-right: auto; }
.garantia-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}
.garantia-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  box-shadow: var(--shadow-card);
}
.garantia-item h3 { font-size: 16px; margin-bottom: 8px; }
.garantia-item p { font-size: 13.5px; color: var(--text-secondary); line-height: 1.5; }

/* Contato */
.contato {
  background: var(--ink);
  color: var(--text-on-dark);
  padding: 88px 0;
  text-align: center;
}
.contato-inner { max-width: 560px; margin: 0 auto; }
.contato .section-title { color: var(--text-on-dark); }
.contato .section-sub {
  color: var(--text-on-dark-secondary);
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.site-footer {
  background: var(--background);
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand .logo-mark { width: 26px; height: 26px; font-size: 13px; border-radius: 8px; }
.footer-brand .logo-word { font-size: 14px; }
.footer-copy { font-size: 13px; color: var(--text-muted); }

/* Páginas legais (Termos, Privacidade, Exclusão de conta) */
.legal-hero {
  background: var(--ink);
  color: var(--text-on-dark);
  padding: 56px 0 40px;
}
.legal-hero .eyebrow { margin-bottom: 16px; }
.legal-hero h1 { font-size: clamp(26px, 4vw, 36px); line-height: 1.15; }
.legal-updated {
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--text-on-dark-secondary);
}

.legal-body { padding: 48px 0 88px; }
.legal-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
}
.legal-content h2 {
  font-size: 20px;
  font-weight: 800;
  margin: 40px 0 14px;
  letter-spacing: -0.2px;
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 22px 0 8px;
}
.legal-content p { margin-bottom: 14px; color: var(--text-secondary); }
.legal-content strong { color: var(--text-primary); font-weight: 700; }
.legal-content ul {
  margin: 0 0 14px;
  padding-left: 20px;
  list-style: disc;
}
.legal-content li {
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.6;
}
.legal-content a { color: var(--accent); font-weight: 600; text-decoration: underline; }
.legal-content .callout {
  background: var(--accent-tint);
  border: 1px solid rgba(18,181,166,0.24);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 18px;
  font-size: 14px;
  color: var(--text-primary);
}
.legal-toc {
  max-width: 760px;
  margin: 0 auto 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-card);
}
.legal-toc h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  margin: 0 0 12px;
  font-weight: 700;
}
.legal-toc ol {
  list-style: decimal;
  padding-left: 18px;
  columns: 2;
  gap: 24px;
}
.legal-toc li { margin-bottom: 6px; }
.legal-toc a {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-secondary);
}
.legal-toc a:hover { color: var(--accent); }

.footer-legal-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-legal-links a {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 600;
}
.footer-legal-links a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .legal-toc ol { columns: 1; }
}

/* Responsivo */
@media (max-width: 900px) {
  .prestadores-inner { grid-template-columns: 1fr; }
  .prestadores-card { order: -1; }
  .passos { grid-template-columns: repeat(2, 1fr); }
  .garantia-grid { grid-template-columns: 1fr; }
  .categorias-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px 22px;
    gap: 4px;
  }
  .main-nav.open a {
    padding: 12px 4px;
    border-bottom: 1px solid var(--border);
  }

  .hero { padding: 64px 0 48px; }
  .como-funciona, .prestadores, .garantia, .contato { padding: 56px 0; }
  .passos { grid-template-columns: 1fr; }
}