/* ============================================================
   freeaitokens.net — Sistema de diseño centralizado
   Paleta "Find AI Credits". Edita las variables en :root para
   personalizar toda la web en 1 solo clic.
   ============================================================ */

:root {
  /* Colors */
  --bg-page: #FFFFFF;
  --bg-surface: #F8FAFC;
  --bg-card: #FFFFFF;
  --border-color: #E2E8F0;

  --primary-emerald: #059669;
  --primary-emerald-hover: #047857;
  --primary-emerald-light: #ECFDF5;

  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-white: #FFFFFF;

  --dark-accent: #0F172A;

  /* Typography & Layout */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Reset y Estilos Base */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- Barra de anuncio ---------- */
.announcement {
  background: var(--dark-accent);
  color: var(--text-white);
  text-align: center;
  font-size: 0.85rem;
  padding: 8px 16px;
}
.announcement a { color: #34d399; font-weight: 600; }
.announcement a:hover { text-decoration: underline; }

/* ---------- Header / Navegación ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
}
.logo-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--primary-emerald);
  color: var(--text-white);
  font-weight: 800;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-links a { color: var(--text-muted); font-size: 0.95rem; font-weight: 500; }
.nav-links a:hover { color: var(--text-main); }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: background-color 0.15s ease, transform 0.1s ease;
}
.btn-primary { background: var(--primary-emerald); color: var(--text-white); }
.btn-primary:hover { background: var(--primary-emerald-hover); }
.btn-outline { background: transparent; color: var(--text-main); border: 1px solid var(--border-color); }
.btn-outline:hover { border-color: var(--primary-emerald); color: var(--primary-emerald); }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(60% 60% at 70% 10%, var(--primary-emerald-light) 0%, transparent 60%),
    var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 64px 0;
}
.hero-inner { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 18px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-emerald-light);
  color: var(--primary-emerald);
  border: 1px solid #a7f3d0;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.15; letter-spacing: -0.02em; }
.hero h1 span { color: var(--primary-emerald); }
.hero-sub { color: var(--text-muted); font-size: 1.1rem; max-width: 640px; }
.hero-stats { display: flex; gap: 40px; margin-top: 12px; }
.stat { text-align: center; }
.stat-value { font-size: 1.6rem; font-weight: 800; color: var(--text-main); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* ---------- Filtros ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 24px 0 8px;
}
.filter-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-tab {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.15s ease;
}
.filter-tab:hover { border-color: var(--primary-emerald); color: var(--primary-emerald); }
.filter-tab.active { background: var(--primary-emerald); border-color: var(--primary-emerald); color: var(--text-white); }
.search-input {
  margin-left: auto;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  min-width: 220px;
  color: var(--text-main);
  background: var(--bg-card);
}
.search-input:focus { outline: 2px solid var(--primary-emerald); outline-offset: 1px; }

/* ---------- Grid de ofertas ---------- */
.deals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  padding: 20px 0 48px;
}
.deal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.deal-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.deal-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.geo-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--primary-emerald-light);
  color: var(--primary-emerald);
}
.urgency-tag {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: right;
}
.deal-title { font-size: 1.15rem; font-weight: 700; line-height: 1.35; letter-spacing: -0.01em; }
.deal-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.promo-code {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  background: var(--bg-surface);
  border: 1px dashed var(--border-color);
  color: var(--primary-emerald);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
}
.deal-meta { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.deal-category { font-size: 0.78rem; color: var(--text-muted); }
.deal-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--dark-accent);
  color: var(--text-white);
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.88rem;
  transition: background 0.15s ease;
}
.deal-link:hover { background: var(--primary-emerald); }

/* ---------- Empty state ---------- */
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }

/* ---------- Sección info ---------- */
.info-section { background: var(--bg-surface); border-top: 1px solid var(--border-color); padding: 48px 0; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.info-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 24px; }
.info-card h3 { font-size: 1rem; margin-bottom: 8px; }
.info-card p { color: var(--text-muted); font-size: 0.9rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark-accent); color: var(--text-muted); padding: 40px 0; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.footer-brand { color: var(--text-white); font-weight: 700; }
.footer-links { display: flex; gap: 20px; }
.footer-links a:hover { color: var(--text-white); }
.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
}
.legal-links a:hover { color: var(--text-white); text-decoration: underline; }

/* ---------- Páginas legales ---------- */
.legal-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}
.legal-page h1 { font-size: 2rem; margin-bottom: 8px; letter-spacing: -0.02em; }
.legal-page .updated { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 24px; }
.legal-page h2 { font-size: 1.2rem; margin: 28px 0 10px; }
.legal-page p, .legal-page li { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 10px; }
.legal-page ul { padding-left: 20px; margin-bottom: 12px; }
.legal-page strong { color: var(--text-main); }
.legal-page a { color: var(--primary-emerald); text-decoration: underline; }
.legal-note {
  background: var(--primary-emerald-light);
  border: 1px solid #a7f3d0;
  color: var(--primary-emerald);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 0.92rem;
}
.legal-note a { color: var(--primary-emerald-hover); }

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero-stats { gap: 24px; }
  .search-input { margin-left: 0; width: 100%; }
  .filters { flex-direction: column; align-items: stretch; }
}