/* ==========================================================================
   PROARÁNDANOS - LANDING "NOS ESTAMOS RENOVANDO"
   Diseño corporativo, sobrio y profesional
   ========================================================================== */

:root {
  --color-primary: #243259;
  --color-primary-hover: #172240;
  --color-primary-subtle: #f1f4f9;
  --color-primary-border: #d7e0ea;

  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-text-subtle: #94a3b8;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

html, body {
  height: 100%;
}

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

/* Contenedor estándar */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   CABECERA COMPACTA Y CORPORATIVA
   ========================================================================== */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: 64px;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  height: 34px;
  width: auto;
  display: block;
}

/* Botón compacto DataHub */
.btn-datahub-compact {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease, transform 0.1s ease;
  letter-spacing: 0.01em;
}

.btn-datahub-compact:hover {
  background-color: var(--color-primary-hover);
}

.btn-datahub-compact svg {
  opacity: 0.85;
}

/* ==========================================================================
   CONTENIDO PRINCIPAL
   ========================================================================== */
.main-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
}

.renovation-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  max-width: 640px;
  width: 100%;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 10px 24px -4px rgba(36, 50, 89, 0.05);
}

.tag-maintenance {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-border);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.card-description {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* Bloque institucional para asociados / DataHub */
.datahub-banner-box {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.datahub-banner-info h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 0.2rem;
}

.datahub-banner-info p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-primary-border);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* Canales de contacto simples */
.contact-section-simple {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.contact-email-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.contact-email-link:hover {
  text-decoration: underline;
}

.social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 0.25rem;
}

.social-links a {
  color: var(--color-text-subtle);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: color 0.15s ease;
}

.social-links a:hover {
  color: var(--color-primary);
}

/* ==========================================================================
   PIE DE PÁGINA SIMPLE
   ========================================================================== */
.site-footer {
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-subtle);
}

/* Responsive */
@media (max-width: 640px) {
  .renovation-card {
    padding: 2rem 1.5rem;
  }

  .card-title {
    font-size: 1.625rem;
  }

  .datahub-banner-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}