/* 
   Finanzas Esenciales - Estilo principal
   Tema: Fundamentos de educación financiera
   Modo: Dark theme
   Enfoque: Card-grid-masonry
*/

:root {
  --primary-dark: #121212;
  --secondary-dark: #1E1E1E;
  --interface-element: #2A2A2A;
  --borders: #333333;
  --primary-accent: #4F9DDE;
  --secondary-accent: #FF7D3B;
  --tertiary-accent: #72BF6A;
  --primary-text: #FFFFFF;
  --secondary-text: #BBBBBB;
  --warning: #FFD166;
  --card-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
  --transition-standard: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: 'Lato', sans-serif;
  background-color: var(--primary-dark);
  color: var(--primary-text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  padding-bottom: 60px; /* Espacio para el footer */
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Crimson Text', serif;
  margin-bottom: 1rem;
  line-height: 1.3;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  position: relative;
}

h1::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
  border-radius: 2px;
}

h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-top: 2rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

p {
  margin-bottom: 1.2rem;
  color: var(--secondary-text);
}

a {
  color: var(--primary-accent);
  text-decoration: none;
  transition: var(--transition-standard);
}

a:hover {
  color: var(--secondary-accent);
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-sm);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Ajustes a Materialize */
.btn {
  background-color: var(--primary-accent);
  border-radius: var(--border-radius-sm);
  text-transform: none;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: var(--transition-standard);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.btn:hover {
  background-color: var(--secondary-accent);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--interface-element);
  color: var(--primary-text);
}

.btn-secondary:hover {
  background-color: #3a3a3a;
}

.card {
  background-color: var(--secondary-dark);
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  transition: var(--transition-standard);
  overflow: hidden;
  position: relative;
  margin-bottom: 24px;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.card .card-content {
  padding: 24px;
}

.card .card-title {
  font-family: 'Crimson Text', serif;
  font-weight: 600;
  margin-bottom: 16px;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary-accent), var(--tertiary-accent));
}

/* Navegación */
.nav-wrapper {
  background-color: var(--secondary-dark);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.brand-logo {
  display: flex;
  align-items: center;
  padding: 0 15px;
  height: 64px;
}

.brand-logo img {
  height: 45px;
  margin-right: 10px;
}

nav ul li a {
  font-weight: 500;
  transition: var(--transition-standard);
}

nav ul li a:hover {
  background-color: rgba(79, 157, 222, 0.1);
}

.sidenav {
  background-color: var(--secondary-dark);
}

.sidenav li > a {
  color: var(--primary-text);
}

.sidenav-overlay {
  background-color: rgba(0, 0, 0, 0.7);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--primary-dark) 100%);
  overflow: hidden;
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
  margin-bottom: 60px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 30%, rgba(79, 157, 222, 0.1) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--secondary-text);
}

/* Sistema de Grid para tarjetas */
.masonry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  grid-gap: 25px;
  grid-auto-flow: dense;
}

.masonry-grid .card {
  margin: 0;
}

.masonry-grid .card.span-2 {
  grid-column: span 2;
}

.masonry-grid .card.span-row-2 {
  grid-row: span 2;
}

/* Tarjetas Destacadas */
.feature-card {
  padding: 30px;
  border-radius: var(--border-radius-lg);
  position: relative;
  overflow: hidden;
  transition: var(--transition-standard);
  margin-bottom: 40px;
  background-color: var(--secondary-dark);
  box-shadow: var(--card-shadow);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent), var(--tertiary-accent));
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.feature-card .icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--primary-accent);
}

.feature-card h3 {
  margin-bottom: 15px;
}

/* Sección de Contenido */
.content-section {
  padding: 60px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-accent), var(--tertiary-accent));
  border-radius: 2px;
}

/* Elementos de información */
.info-box {
  background-color: var(--interface-element);
  border-radius: var(--border-radius-md);
  padding: 25px;
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
}

.info-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background-color: var(--tertiary-accent);
}

.info-box h4 {
  margin-top: 0;
  margin-bottom: 15px;
  color: var(--primary-text);
}

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

/* Sección de estadísticas */
.stats-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin: 40px 0;
}

.stat-item {
  flex: 1 0 200px;
  text-align: center;
  margin: 15px;
  padding: 25px;
  background-color: var(--secondary-dark);
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  transition: var(--transition-standard);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-accent);
  margin-bottom: 10px;
  font-family: 'Crimson Text', serif;
}

.stat-label {
  font-size: 1.1rem;
  color: var(--secondary-text);
}

/* Formulario de contacto */
.contact-form {
  background-color: var(--secondary-dark);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--card-shadow);
  margin-bottom: 40px;
}

.contact-form .input-field label {
  color: var(--secondary-text);
}

.contact-form .input-field input[type=text],
.contact-form .input-field input[type=email],
.contact-form .input-field input[type=tel],
.contact-form .input-field textarea {
  border-bottom: 1px solid var(--borders) !important;
  box-shadow: none !important;
  color: var(--primary-text);
}

.contact-form .input-field input[type=text]:focus,
.contact-form .input-field input[type=email]:focus,
.contact-form .input-field input[type=tel]:focus,
.contact-form .input-field textarea:focus {
  border-bottom: 1px solid var(--primary-accent) !important;
}

.contact-form .input-field input[type=text]:focus + label,
.contact-form .input-field input[type=email]:focus + label,
.contact-form .input-field input[type=tel]:focus + label,
.contact-form .input-field textarea:focus + label {
  color: var(--primary-accent) !important;
}

.contact-form .input-field .prefix {
  color: var(--secondary-text);
}

.contact-form .input-field .prefix.active {
  color: var(--primary-accent);
}

/* Personalización de intl-tel-input */
.iti {
  width: 100%;
}

.iti__flag-container {
  z-index: 10;
}

.iti__selected-flag {
  background-color: var(--interface-element) !important;
}

/* Gráficos */
.chart-container {
  position: relative;
  margin: 30px auto;
  height: 350px;
  width: 100%;
  background-color: var(--secondary-dark);
  border-radius: var(--border-radius-md);
  padding: 20px;
  box-shadow: var(--card-shadow);
}

/* Sección de características */
.features-section {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin: 40px 0;
}

.feature-item {
  flex: 1 0 300px;
  margin: 15px;
  padding: 30px;
  background-color: var(--secondary-dark);
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  transition: var(--transition-standard);
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 50px 50px 0;
  border-color: transparent var(--primary-accent) transparent transparent;
  opacity: 0.3;
  transition: var(--transition-standard);
}

.feature-item:hover::before {
  border-width: 0 70px 70px 0;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--primary-accent);
}

/* Footer */
footer {
  background-color: var(--secondary-dark);
  color: var(--secondary-text);
  padding: 40px 0 20px;
  position: relative;
  margin-top: 80px;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent), var(--tertiary-accent));
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer-section {
  flex: 1 0 250px;
  margin-bottom: 30px;
  padding: 0 15px;
}

.footer-section h4 {
  color: var(--primary-text);
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-section ul li a {
  color: var(--secondary-text);
  transition: var(--transition-standard);
}

.footer-section ul li a:hover {
  color: var(--primary-accent);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--borders);
}

.collapsible-header {
  background-color: var(--primary-dark);
}

/* Cookies Consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--secondary-dark);
  color: var(--primary-text);
  padding: 20px;
  z-index: 1000;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
  transform: translateY(100%);
  transition: transform 0.5s ease-in-out;
}

.cookie-consent.active {
  transform: translateY(0);
}

.cookie-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.cookie-text {
  flex: 1;
  margin-right: 20px;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
  flex-direction: column;
}

.cookie-settings {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  opacity: 0;
  visibility: hidden;
  background-color: var(--secondary-dark);
  border-radius: var(--border-radius-lg);
  padding: 30px;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 1010;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transition: all 0.3s ease-in-out;
}

.cookie-settings.active {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  visibility: visible;
}

.cookie-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 1005;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-in-out;
}

.cookie-overlay.active {
  opacity: 1;
  visibility: visible;
}

.cookie-settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--borders);
}

.cookie-settings-header h3 {
  margin: 0;
}

.cookie-close {
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--secondary-text);
  transition: var(--transition-standard);
}

.cookie-close:hover {
  color: var(--primary-accent);
}

.cookie-category {
  margin-bottom: 20px;
  padding: 15px;
  background-color: var(--interface-element);
  border-radius: var(--border-radius-sm);
}

.cookie-category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.cookie-category-title {
  margin: 0;
  font-size: 1.2rem;
}

.switch label .lever {
  background-color: var(--borders);
}

.switch label input[type=checkbox]:checked+.lever {
  background-color: rgba(79, 157, 222, 0.5);
}

.switch label input[type=checkbox]:checked+.lever:after {
  background-color: var(--primary-accent);
}

.cookie-category-description {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.cookie-settings-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--borders);
}

/* Animaciones y efectos */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes slideUpIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up-in {
  animation: slideUpIn 0.7s ease-out;
}

/* Decorate Icons */
.decorate-icon {
  position: absolute;
  font-size: 15rem;
  opacity: 0.03;
  z-index: 0;
  color: var(--primary-accent);
}

.decorate-top-right {
  top: -50px;
  right: -50px;
  transform: rotate(15deg);
}

.decorate-bottom-left {
  bottom: -50px;
  left: -50px;
  transform: rotate(-15deg);
}

/* Adornos geométricos */
.geometric-decor {
  position: absolute;
  background-color: var(--primary-accent);
  opacity: 0.1;
  border-radius: 50%;
  z-index: 0;
}

.decor-1 {
  width: 300px;
  height: 300px;
  top: -150px;
  right: -150px;
}

.decor-2 {
  width: 200px;
  height: 200px;
  bottom: -100px;
  left: -100px;
}

/* Utilidades */
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.5rem !important; }
.mb-2 { margin-bottom: 1rem !important; }
.mb-3 { margin-bottom: 1.5rem !important; }
.mb-4 { margin-bottom: 2rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.mt-1 { margin-top: 0.5rem !important; }
.mt-2 { margin-top: 1rem !important; }
.mt-3 { margin-top: 1.5rem !important; }
.mt-4 { margin-top: 2rem !important; }
.mt-5 { margin-top: 3rem !important; }

.mx-auto { 
  margin-left: auto !important;
  margin-right: auto !important;
}

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-left { text-align: left !important; }

.hidden { display: none !important; }

.position-relative { position: relative !important; }

.accent-text { color: var(--primary-accent) !important; }
.secondary-accent-text { color: var(--secondary-accent) !important; }
.tertiary-accent-text { color: var(--tertiary-accent) !important; }

/* Media Queries */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .masonry-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .masonry-grid .card.span-2 {
    grid-column: auto;
  }
  
  .feature-item {
    flex: 1 0 100%;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .hero {
    padding: 60px 0;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .contact-form {
    padding: 30px;
  }
  
  .footer-section {
    flex: 1 0 100%;
  }
  
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-text {
    margin-right: 0;
    margin-bottom: 15px;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 15px;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .hero {
    padding: 40px 0;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .section-title {
    margin-bottom: 30px;
  }
  
  .contact-form {
    padding: 20px;
  }
  
  .cookie-settings {
    width: 95%;
    padding: 20px;
  }
}