/* =============================================
   ACBCO — Sistema de diseño compartido
   certamerica.org
   ============================================= */

:root {
  --color-bg: #ffffff;
  --color-text: #0d0d0d;
  --color-brand: #18E299;
  --color-brand-light: #d4fae8;
  --color-brand-deep: #0fa76e;
  /* Colores institucionales del logo */
  --color-logo-navy: #1B3480;
  --color-logo-blue: #4A90D9;
  --color-logo-white: #ffffff;
  /* Escala de grises */
  --color-gray-700: #333333;
  --color-gray-500: #666666;
  --color-gray-400: #888888;
  --color-gray-200: #e5e5e5;
  --color-gray-100: #f5f5f5;
  --color-gray-50: #fafafa;
  /* Tipografía */
  --font-ui: 'Inter', system-ui, -apple-system, sans-serif;
  /* Radios */
  --radius-card: 16px;
  --radius-featured: 24px;
  --radius-pill: 9999px;
  /* Bordes */
  --border-subtle: 1px solid rgba(0, 0, 0, 0.05);
  --border-medium: 1px solid rgba(0, 0, 0, 0.08);
  /* Sombras */
  --shadow-card: rgba(0, 0, 0, 0.03) 0px 2px 4px;
  --shadow-btn: rgba(0, 0, 0, 0.06) 0px 1px 2px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-ui);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

/* === Navegación === */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: var(--border-subtle);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.nav-logo-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
}

.nav-logo-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-700);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
  background: var(--color-gray-100);
}

.nav-links a.active {
  color: var(--color-logo-navy);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  border: var(--border-medium);
  border-radius: var(--radius-pill);
  padding: 3px;
  background: var(--color-bg);
}

.lang-btn {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  background: transparent;
  color: var(--color-gray-500);
  transition: all 0.15s;
}

.lang-btn.active {
  background: var(--color-text);
  color: var(--color-bg);
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

/* === Botones === */
.btn-primary {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  background: var(--color-text);
  color: var(--color-bg);
  box-shadow: var(--shadow-btn);
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.15s;
}

.btn-primary:hover { opacity: 0.85; }

.btn-ghost {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  border: var(--border-medium);
  cursor: pointer;
  background: var(--color-bg);
  color: var(--color-text);
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.15s;
}

.btn-ghost:hover { opacity: 0.7; }

.btn-brand {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 28px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  background: var(--color-logo-navy);
  color: #ffffff;
  box-shadow: var(--shadow-btn);
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.15s;
}

.btn-brand:hover { opacity: 0.85; }

/* === Layout de página === */
.page-hero {
  padding: 64px 32px 56px;
  border-bottom: var(--border-subtle);
}

.page-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.page-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.65px;
  text-transform: uppercase;
  color: var(--color-logo-navy);
  margin-bottom: 12px;
}

.page-headline {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
  letter-spacing: -0.8px;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 16px;
  max-width: 700px;
}

.page-sub {
  font-size: 17px;
  color: var(--color-gray-500);
  max-width: 580px;
  line-height: 1.6;
}

.page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 32px;
}

/* === Secciones === */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.65px;
  text-transform: uppercase;
  color: var(--color-logo-navy);
  margin-bottom: 12px;
}

.section-headline {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 600;
  letter-spacing: -0.8px;
  color: var(--color-text);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 16px;
  color: var(--color-gray-500);
  max-width: 520px;
  line-height: 1.6;
  margin-bottom: 40px;
}

/* === Cards === */
.card {
  background: var(--color-bg);
  border: var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s;
}

.card:hover { border-color: rgba(0, 0, 0, 0.08); }

.card-featured {
  background: var(--color-bg);
  border: var(--border-subtle);
  border-radius: var(--radius-featured);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

/* Badge pill institucional */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--color-logo-navy);
  background: rgba(74, 144, 217, 0.12);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

/* === Footer === */
footer {
  border-top: var(--border-subtle);
  padding: 40px 32px;
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  display: block;
  margin-bottom: 4px;
}

.footer-brand-sub {
  font-size: 12px;
  color: var(--color-gray-400);
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 13px;
  color: var(--color-gray-500);
  text-decoration: none;
  transition: color 0.15s;
}

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

.footer-legal {
  font-size: 12px;
  color: var(--color-gray-400);
  width: 100%;
  text-align: center;
  padding-top: 24px;
  border-top: var(--border-subtle);
  margin-top: 16px;
}

/* === Responsive === */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .nav-inner { padding: 0 20px; }
  .page-hero { padding: 48px 20px 40px; }
  .page-content { padding: 40px 20px; }
  footer { padding: 32px 20px; }
}