/* Zanexo — site institucional. Paleta reaproveitada 1:1 de
   sport_os/DESIGN_SYSTEM.md (§5.1). Tipografia: pilha de fontes do
   sistema (não a Inter do app) — evita embutir ~900KB de fonte num
   site institucional de 4 páginas estáticas. */

:root {
  --bg-1: #07070a;
  --bg-2: #0a0a0d;
  --surface: #111114;
  --surface-elevated: #1d1d22;
  --card: #16161a;
  --border: rgba(244, 244, 245, 0.08);
  --primary: #7c5cfc;
  --primary-hover: #9b7dff;
  --primary-pressed: #5b3fd4;
  --gradient-start: #7c5cfc;
  --gradient-end: #c084fc;
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --success: #2bd576;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 100%);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary-hover);
  text-decoration: none;
}

a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--primary);
  color: #07070a;
  padding: 8px 16px;
  border-radius: 0 0 8px 0;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

header.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  background: rgba(7, 7, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.brand:hover {
  color: var(--text-primary);
  text-decoration: none;
}

.brand img {
  width: 32px;
  height: 32px;
  display: block;
}

nav.site-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

nav.site-nav a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

nav.site-nav a:hover,
nav.site-nav a[aria-current='page'] {
  color: var(--text-primary);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.hero {
  text-align: center;
  padding: 56px 0 40px;
}

.hero img.mark {
  width: 120px;
  height: auto;
  margin-bottom: 24px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: 34px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.tagline {
  margin: 0 auto;
  max-width: 480px;
  font-size: 17px;
  color: var(--text-secondary);
}

.badge {
  display: inline-block;
  margin-top: 20px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 600;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 40px 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.card p {
  margin: 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.doc h1 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 4px;
}

.doc .meta {
  color: var(--text-tertiary);
  font-size: 13px;
  margin-bottom: 8px;
}

.notice {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 20px 0 32px;
  color: var(--text-secondary);
  font-size: 14px;
}

.notice strong {
  color: var(--text-primary);
}

.doc h2 {
  margin-top: 36px;
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.doc h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.doc p,
.doc li {
  color: var(--text-secondary);
  font-size: 15px;
}

.doc ul {
  padding-left: 20px;
}

.doc strong {
  color: var(--text-primary);
}

.placeholder {
  color: var(--gradient-end);
  font-style: italic;
}

.contact-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  margin-top: 24px;
}

.whatsapp-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 12px 22px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #07070a;
  font-weight: 700;
  font-size: 15px;
}

.whatsapp-button:hover {
  color: #07070a;
  text-decoration: none;
  filter: brightness(1.08);
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 13px;
}

footer.site-footer a {
  color: var(--text-tertiary);
}

footer.site-footer nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 8px;
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 26px;
  }

  header.site-header {
    flex-direction: column;
    align-items: flex-start;
  }
}