/* ============================================
   VARIABLES CSS - SISTEMA DE DISEÑO
   ============================================ */
:root {
  /* Colores principales - Basados en el branding de TributaFirme */
  --primary-color: #1a3d5c; /* Azul oscuro corporativo */
  --secondary-color: #3eb489; /* Verde tributario (del logo) */
  --accent-color: #4db896; /* Verde claro acento */
  --dark-bg: #0f2537;
  --light-bg: #f8fafb;
  
  /* Colores de texto */
  --text-primary: #2c3e50;
  --text-secondary: #5a6c7d;
  --text-light: #ffffff;
  
  /* Colores de estado */
  --success: #27ae60;
  --info: #3498db;
  --warning: #f39c12;
  --danger: #e74c3c;
  
  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
  
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Tipografía */
  --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Montserrat', 'Roboto', sans-serif;
  
  /* Bordes */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   ESTILOS BASE Y RESET
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Prevenir overflow horizontal en todos los elementos */
*, *::before, *::after {
  max-width: 100%;
}

/* Control de texto largo */
p, h1, h2, h3, h4, h5, h6, span, a, li {
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 13px;
  }
}

body {
  font-family: var(--font-primary);
  line-height: 1.7;
  color: var(--text-primary);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

/* ============================================
   CONTENEDOR PRINCIPAL
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }
}

/* ============================================
   HEADER Y NAVEGACIÓN
   ============================================ */
header {
  background: linear-gradient(135deg, var(--primary-color) 0%, #0f2537 100%);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  animation: slideDown 0.5s ease;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  min-height: 80px;
}

@media (max-width: 480px) {
  .header {
    padding: 0.75rem;
    min-height: 60px;
  }
}

.logo-container {
  flex-shrink: 0;
}

.logo {
  height: 50px;
  width: auto;
  max-width: 180px;
  transition: transform var(--transition-medium);
  filter: brightness(0) invert(1);
}

@media (max-width: 480px) {
  .logo {
    height: 35px;
    max-width: 140px;
  }
}

.logo:hover {
  transform: scale(1.05);
}

nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--secondary-color);
  transition: all var(--transition-medium);
  transform: translateX(-50%);
}

.nav-links a:hover::after,
.nav-links a.active-link::after {
  width: 80%;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--secondary-color);
  transform: translateY(-2px);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hamburger i {
  font-size: 1.5rem;
  color: var(--text-light);
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0f2537 100%);
    padding: var(--spacing-lg);
    gap: var(--spacing-sm);
    transform: translateY(-150%);
    opacity: 0;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-xl);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-links a {
    width: 100%;
    text-align: center;
    padding: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
}

/* ============================================
   SECCIÓN INTRO
   ============================================ */
.intro {
  background: linear-gradient(135deg, var(--primary-color) 0%, #2c5282 100%);
  color: var(--text-light);
  padding: var(--spacing-2xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.intro::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(62, 180, 137, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.intro::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(77, 184, 150, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

.intro-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.intro-icon {
  margin-bottom: var(--spacing-md);
}

.intro-icon i {
  font-size: 4rem;
  color: var(--secondary-color);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.intro h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  letter-spacing: -0.5px;
}

.intro-text {
  font-size: 1.2rem;
  line-height: 1.8;
  opacity: 0.95;
  max-width: 700px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .intro {
    padding: var(--spacing-xl) 0;
  }

  .intro h1 {
    font-size: 2rem;
  }

  .intro-text {
    font-size: 1rem;
  }

  .intro-icon i {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .intro {
    padding: 2rem 0;
  }

  .intro h1 {
    font-size: 1.5rem;
    line-height: 1.3;
  }

  .intro-text {
    font-size: 0.95rem;
    padding: 0 0.5rem;
  }

  .intro-icon i {
    font-size: 2.5rem;
  }
}

/* ============================================
   SECCIÓN DE POLÍTICAS
   ============================================ */
.policies {
  padding: var(--spacing-2xl) 0;
  background: transparent;
}

.policy-header {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-xl);
  border-top: 5px solid var(--secondary-color);
  position: relative;
  overflow: hidden;
}

.policy-header::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, rgba(62, 180, 137, 0.1) 0%, transparent 50%);
  border-radius: 0 0 0 100%;
}

.policy-header h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

@media (max-width: 768px) {
  .policy-header h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .policy-header h2 {
    font-size: 1.3rem;
    line-height: 1.4;
  }
}

.update-date {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1rem;
  color: var(--text-secondary);
  background: var(--light-bg);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--secondary-color);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .update-date {
    font-size: 0.9rem;
    padding: 0.75rem;
    gap: 0.5rem;
  }
}

.update-date i {
  color: var(--secondary-color);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.policy-description {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-primary);
}

/* ============================================
   SECCIONES DE POLÍTICA
   ============================================ */
.policy-section {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.policy-section:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.policy-section::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 5px;
  height: 0;
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--accent-color) 100%);
  transition: height var(--transition-medium);
}

.policy-section:hover::before {
  height: 100%;
}

.section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.section-icon i {
  font-size: 1.8rem;
  color: white;
}

.policy-section h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.4;
}

@media (max-width: 768px) {
  .policy-section h3 {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .policy-section h3 {
    font-size: 1.1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

.policy-section p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

@media (max-width: 480px) {
  .policy-section p {
    font-size: 0.95rem;
    line-height: 1.7;
  }
}

.policy-section p:last-child {
  margin-bottom: 0;
}

/* ============================================
   LISTAS CON ICONOS
   ============================================ */
.icon-list {
  list-style: none;
  padding-left: 0;
}

.icon-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--light-bg);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.icon-list li:hover {
  background: #e8f5f1;
  transform: translateX(5px);
}

.icon-list li i {
  color: var(--secondary-color);
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 3px;
}

.icon-list li strong {
  color: var(--primary-color);
}

/* ============================================
   INFORMACIÓN DE CONTACTO
   ============================================ */
.contact-info {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--secondary-color);
  margin-top: var(--spacing-md);
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: 1.05rem;
}

.contact-info p:last-child {
  margin-bottom: 0;
}

.contact-info i {
  color: var(--secondary-color);
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

.contact-info a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
  border-bottom: 2px solid transparent;
  word-break: break-all;
  display: inline-block;
  max-width: 100%;
}

.contact-info a:hover {
  color: var(--secondary-color);
  border-bottom-color: var(--secondary-color);
}

/* ============================================
   CATEGORÍAS DE DATOS
   ============================================ */
.data-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.data-category {
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 2px solid #e9ecef;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.data-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-color) 0%, var(--accent-color) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-medium);
}

.data-category:hover {
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.data-category:hover::before {
  transform: scaleX(1);
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.category-header i {
  font-size: 2rem;
  color: var(--secondary-color);
}

.data-category h4 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--primary-color);
  margin: 0;
}

.data-category ul {
  list-style: none;
  padding-left: 0;
}

.data-category ul li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.data-category ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

/* ============================================
   CUADROS DESTACADOS
   ============================================ */
.highlight-box {
  background: linear-gradient(135deg, #fff3cd 0%, #ffe9a3 100%);
  border: 2px solid #ffc107;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.highlight-box i {
  font-size: 2rem;
  color: #ff6b00;
  flex-shrink: 0;
}

.highlight-box p {
  margin: 0;
  color: #856404;
  line-height: 1.7;
}

.highlight-box strong {
  color: #664d03;
}

/* ============================================
   DERECHOS DE LOS USUARIOS - GRID
   ============================================ */
.rights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.right-item {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 2px solid #e9ecef;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.right-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-color) 0%, var(--accent-color) 100%);
  transform: scaleX(0);
  transition: transform var(--transition-medium);
}

.right-item:hover {
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.right-item:hover::before {
  transform: scaleX(1);
}

.right-item i {
  font-size: 2.5rem;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-sm);
  display: block;
  transition: transform var(--transition-fast);
}

.right-item:hover i {
  transform: scale(1.2);
}

.right-item h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.right-item p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ============================================
   EJERCER DERECHOS
   ============================================ */
.exercise-rights {
  background: linear-gradient(135deg, #e8f5f1 0%, #d4ebe3 100%);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-xl);
  border-left: 5px solid var(--secondary-color);
}

.exercise-rights h4 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.exercise-rights p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.exercise-rights ul {
  list-style: none;
  padding-left: 0;
  margin: var(--spacing-md) 0;
}

.exercise-rights ul li {
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  background: white;
  border-radius: var(--radius-sm);
  position: relative;
  padding-left: var(--spacing-xl);
}

.exercise-rights ul li::before {
  content: '✓';
  position: absolute;
  left: var(--spacing-sm);
  color: var(--secondary-color);
  font-weight: bold;
  font-size: 1.2rem;
}

.exercise-rights a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 2px solid var(--secondary-color);
  transition: all var(--transition-fast);
}

.exercise-rights a:hover {
  color: var(--secondary-color);
  border-bottom-color: var(--primary-color);
}

.response-time {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--info);
  margin-top: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.response-time i {
  color: var(--info);
  font-size: 1.5rem;
}

/* ============================================
   NOTA DE PERMISOS
   ============================================ */
.permission-note {
  background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--info);
  margin-top: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.permission-note i {
  color: var(--info);
  font-size: 1.5rem;
  flex-shrink: 0;
}

/* ============================================
   BANNER SIN PUBLICIDAD
   ============================================ */
.no-ads-banner {
  background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 2px solid var(--success);
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  margin: var(--spacing-lg) 0;
}

.no-ads-banner i {
  font-size: 3rem;
  color: var(--success);
  flex-shrink: 0;
}

.no-ads-banner h4 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: #155724;
  margin-bottom: var(--spacing-xs);
}

.no-ads-banner p {
  color: #155724;
  margin: 0;
  line-height: 1.7;
}

/* ============================================
   CITA DE TESIS
   ============================================ */
.thesis-quote {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: var(--spacing-xl);
  border-left: 5px solid var(--secondary-color);
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
  position: relative;
  font-style: italic;
}

.thesis-quote i.fa-quote-left {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  font-size: 2rem;
  color: var(--secondary-color);
  opacity: 0.3;
}

.thesis-quote p {
  font-size: 1.2rem;
  color: var(--primary-color);
  font-weight: 500;
  margin: 0;
  padding-left: var(--spacing-xl);
}

/* ============================================
   CUADRO DE CONTACTO
   ============================================ */
.contact-box {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 2px solid var(--secondary-color);
  margin-top: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.contact-box h4 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.contact-box > p {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.contact-methods {
  display: grid;
  gap: var(--spacing-md);
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid #e9ecef;
  transition: all var(--transition-fast);
}

.contact-method:hover {
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-sm);
  transform: translateX(5px);
}

.contact-method i {
  font-size: 1.8rem;
  color: var(--secondary-color);
  width: 40px;
  text-align: center;
  flex-shrink: 0;
}

.contact-method strong {
  display: block;
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

.contact-method p {
  margin: 0;
  color: var(--text-secondary);
}

.contact-method a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contact-method a:hover {
  color: var(--secondary-color);
}

/* ============================================
   PIE DE POLÍTICAS
   ============================================ */
.policy-footer {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-2xl);
  border-top: 4px solid var(--secondary-color);
  text-align: center;
}

.footer-seal {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.footer-seal i {
  font-size: 3rem;
  color: var(--secondary-color);
}

.footer-seal p {
  margin: 0;
  color: var(--text-secondary);
}

.footer-seal strong {
  color: var(--primary-color);
  display: block;
  font-size: 1.1rem;
}

.effective-date {
  font-size: 1.3rem;
  color: var(--primary-color);
  font-weight: 600;
}

.footer-note {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 800px;
  margin: 0 auto;
}

/* ============================================
   FOOTER PRINCIPAL
   ============================================ */
footer {
  background: linear-gradient(135deg, var(--primary-color) 0%, #0f2537 100%);
  color: var(--text-light);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo img {
  height: 50px;
  margin-bottom: var(--spacing-sm);
  filter: brightness(0) invert(1);
}

.footer-logo p {
  font-size: 0.95rem;
  opacity: 0.8;
  margin: 0;
}

.footer-links h4,
.footer-social h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
  color: var(--secondary-color);
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

.footer-links ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-links ul li a {
  color: var(--text-light);
  text-decoration: none;
  transition: all var(--transition-fast);
  display: inline-block;
}

.footer-links ul li a:hover {
  color: var(--secondary-color);
  transform: translateX(5px);
}

.social-icons {
  display: flex;
  gap: var(--spacing-sm);
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--text-light);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-icons a:hover {
  background: var(--secondary-color);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
}

.footer-bottom p {
  margin: var(--spacing-xs) 0;
  font-size: 0.9rem;
  opacity: 0.8;
}

.developed-by {
  font-style: italic;
  color: var(--secondary-color);
}

/* ============================================
   BOTÓN VOLVER ARRIBA
   ============================================ */
#backToTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-medium);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  z-index: 999;
}

#backToTop.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#backToTop:hover {
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

#backToTop:active {
  transform: translateY(-2px);
}

/* ============================================
   ANIMACIONES PERSONALIZADAS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate__fadeInUp {
  animation: fadeInUp 0.6s ease;
}

/* ============================================
   RESPONSIVE DESIGN - TABLETS
   ============================================ */
@media (max-width: 992px) {
  .policy-header h2 {
    font-size: 2rem;
  }

  .policy-section h3 {
    font-size: 1.5rem;
  }

  .data-categories {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .rights-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .no-ads-banner {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================
   RESPONSIVE DESIGN - MÓVILES
   ============================================ */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
  }

  .policy-header {
    padding: var(--spacing-lg);
  }

  .policy-header h2 {
    font-size: 1.75rem;
  }

  .policy-section {
    padding: var(--spacing-lg);
  }

  .policy-section h3 {
    font-size: 1.3rem;
  }

  .section-icon {
    width: 50px;
    height: 50px;
  }

  .section-icon i {
    font-size: 1.5rem;
  }

  .data-categories {
    grid-template-columns: 1fr;
  }

  .rights-grid {
    grid-template-columns: 1fr;
  }

  .right-item i {
    font-size: 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-icons {
    justify-content: center;
  }

  #backToTop {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
  }

  .contact-methods {
    gap: var(--spacing-sm);
  }

  .contact-method {
    flex-direction: column;
    text-align: center;
  }

  .thesis-quote p {
    font-size: 1.05rem;
    padding-left: var(--spacing-md);
  }

  .no-ads-banner i {
    font-size: 2.5rem;
  }

  .footer-seal {
    flex-direction: column;
  }
}

/* Móviles pequeños */
@media (max-width: 480px) {
  :root {
    --spacing-xs: 0.4rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.25rem;
    --spacing-xl: 1.75rem;
    --spacing-2xl: 2.5rem;
  }

  .policy-header {
    padding: 1rem;
  }

  .policy-header h2 {
    font-size: 1.3rem;
    line-height: 1.4;
  }

  .policy-section {
    padding: 1rem;
    margin-bottom: 1rem;
  }

  .policy-section h3 {
    font-size: 1.1rem;
  }

  .section-icon {
    width: 45px;
    height: 45px;
    margin-bottom: 0.75rem;
  }

  .section-icon i {
    font-size: 1.3rem;
  }

  .policy-section p,
  .policy-description p {
    font-size: 0.95rem;
    line-height: 1.7;
  }

  .icon-list li {
    font-size: 0.9rem;
    padding: 0.6rem;
    margin-bottom: 0.6rem;
  }

  .icon-list li i {
    font-size: 1.1rem;
  }

  .data-category {
    padding: 1rem;
  }

  .category-header i {
    font-size: 1.5rem;
  }

  .data-category h4 {
    font-size: 1.1rem;
  }

  .data-category ul li {
    font-size: 0.85rem;
    padding: 0.4rem 0;
  }

  .right-item {
    padding: 1rem;
  }

  .right-item i {
    font-size: 1.8rem;
  }

  .right-item h4 {
    font-size: 1rem;
  }

  .right-item p {
    font-size: 0.85rem;
  }

  .exercise-rights {
    padding: 1rem;
  }

  .exercise-rights h4 {
    font-size: 1.2rem;
  }

  .exercise-rights ul li {
    font-size: 0.9rem;
    padding: 0.6rem;
    padding-left: 2rem;
  }

  .highlight-box {
    padding: 1rem;
    flex-direction: column;
    text-align: center;
  }

  .highlight-box i {
    font-size: 1.5rem;
  }

  .highlight-box p {
    font-size: 0.9rem;
  }

  .no-ads-banner {
    padding: 1rem;
  }

  .no-ads-banner i {
    font-size: 2rem;
  }

  .no-ads-banner h4 {
    font-size: 1.2rem;
  }

  .no-ads-banner p {
    font-size: 0.9rem;
  }

  .thesis-quote {
    padding: 1rem;
  }

  .thesis-quote p {
    font-size: 0.95rem;
    padding-left: 1rem;
  }

  .contact-box {
    padding: 1rem;
  }

  .contact-box h4 {
    font-size: 1.2rem;
  }

  .contact-method {
    padding: 0.75rem;
  }

  .contact-method i {
    font-size: 1.5rem;
  }

  .contact-method strong {
    font-size: 0.95rem;
  }

  .contact-method p {
    font-size: 0.85rem;
  }

  .policy-footer {
    padding: 1.5rem 1rem;
  }

  .footer-seal i {
    font-size: 2rem;
  }

  .footer-seal strong {
    font-size: 0.95rem;
  }

  .effective-date {
    font-size: 1.1rem;
  }

  .footer-note {
    font-size: 0.85rem;
  }

  .footer-logo img {
    height: 40px;
  }

  .footer-links h4,
  .footer-social h4 {
    font-size: 1rem;
  }

  .footer-bottom p {
    font-size: 0.8rem;
  }

  #backToTop {
    bottom: 15px;
    right: 15px;
    width: 42px;
    height: 42px;
    font-size: 1.2rem;
  }

  .permission-note,
  .response-time {
    padding: 0.75rem;
    font-size: 0.9rem;
  }

  .permission-note i,
  .response-time i {
    font-size: 1.3rem;
  }
}

/* ============================================
   MODO OSCURO (OPCIONAL)
   ============================================ */
@media (prefers-color-scheme: dark) {
  /* Opcional: Puedes implementar un modo oscuro aquí */
}

/* ============================================
   ACCESIBILIDAD
   ============================================ */
*:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

button:focus,
a:focus {
  outline: 3px solid var(--secondary-color);
}

/* ============================================
   UTILIDADES
   ============================================ */
.text-center {
  text-align: center;
}

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

.text-secondary {
  color: var(--secondary-color);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ============================================
   IMPRESIÓN
   ============================================ */
@media print {
  header,
  footer,
  #backToTop,
  .hamburger {
    display: none !important;
  }

  .policy-section {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }

  body {
    background: white;
  }

  a {
    color: black !important;
    text-decoration: underline;
  }
}