/* ========================================
   BRIGHTMATTER LAB - ESTILOS PRINCIPALES
   ========================================
   
   Colores corporativos:
   - Lila/Magenta: #e07bdf
   - Lila Clásico: #d8c7fa  
   - Aqua Turquesa: #93ebbd
   
   Fuente: Inter (Google Fonts)
   ======================================== */

/* === VARIABLES CSS === */
:root {
  /* Colores Corporativos */
  --primary-color: #e07bdf;      /* Lila/Magenta */
  --secondary-color: #d8c7fa;     /* Lila Clásico */
  --accent-color: #93ebbd;        /* Aqua Turquesa */
  
  /* Colores de Soporte */
  --dark-primary: #c061b5;       /* Lila/Magenta Oscuro */
  --dark-secondary: #b8a0f0;     /* Lila Clásico Oscuro */
  --dark-accent: #7dd9a8;        /* Aqua Turquesa Oscuro */
  
  /* Colores Neutros */
  --text-primary: #1a1a1a;       /* Texto Principal */
  --text-secondary: #666666;     /* Texto Secundario */
  --text-light: #999999;         /* Texto Claro */
  --white: #ffffff;              /* Blanco */
  --background: #fafafa;         /* Fondo Claro */
  --background-dark: #f0f0f0;    /* Fondo Oscuro */
  --container-background: #ffffff; /* Fondo de Contenedores */
  
  /* Tipografía */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.5rem;      /* 24px */
  --font-size-3xl: 1.875rem;    /* 30px */
  --font-size-4xl: 2.25rem;     /* 36px */
  --font-size-5xl: 3rem;        /* 48px */
  
  /* Espaciado */
  --spacing-xs: 0.25rem;        /* 4px */
  --spacing-sm: 0.5rem;         /* 8px */
  --spacing-md: 1rem;           /* 16px */
  --spacing-lg: 1.5rem;         /* 24px */
  --spacing-xl: 2rem;           /* 32px */
  --spacing-2xl: 3rem;          /* 48px */
  --spacing-3xl: 4rem;          /* 64px */
  --spacing-4xl: 6rem;          /* 96px */
  
  /* Bordes */
  --border-radius-sm: 0.375rem;  /* 6px */
  --border-radius-md: 0.5rem;    /* 8px */
  --border-radius-lg: 0.75rem;   /* 12px */
  --border-radius-xl: 1rem;      /* 16px */
  --border-radius-full: 9999px;  /* Circular */
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transiciones */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* === MODO OSCURO === */
[data-theme="dark"] {
  /* Colores Corporativos - Modo Oscuro */
  --primary-color: #c061b5;      /* Lila/Magenta Oscuro */
  --secondary-color: #b8a0f0;     /* Lila Clásico Oscuro */
  --accent-color: #7dd9a8;        /* Verde Oscuro */
  
  /* Colores de Soporte - Modo Oscuro */
  --dark-primary: #e879f9;       /* Lila/Magenta Medio */
  --dark-secondary: #d8b4fe;     /* Lila Clásico Medio */
  --dark-accent: #4ade80;        /* Verde Medio */
  
  /* Colores Neutros - Modo Oscuro */
  --text-primary: #f8fafc;       /* Texto Claro */
  --text-secondary: #cbd5e1;     /* Texto Secundario Claro */
  --text-light: #94a3b8;         /* Texto Claro Suave */
  --white: #0f172a;              /* Fondo Oscuro Principal */
  --background: #1e293b;         /* Fondo Oscuro Secundario */
  --background-dark: #334155;    /* Fondo Oscuro Más Oscuro */
  --container-background: #374151; /* Fondo de Contenedores - Más Claro */
  
  /* Sombras - Modo Oscuro */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

/* === ESTILOS PARA MODO OSCURO === */
[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid rgba(224, 123, 223, 0.2);
}

[data-theme="dark"] .navbar.scrolled {
  background: rgba(15, 23, 42, 0.98);
}

[data-theme="dark"] .nav-link {
  color: #ffffff;
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
  color: var(--primary-color);
}

[data-theme="dark"] .footer {
  background: var(--background-dark);
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--white);
  overflow-x: hidden;
}

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

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: var(--border-radius-full);
}

.section-subtitle {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
}

/* === BOTONES === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--dark-primary));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--dark-primary), var(--primary-color));
}

.btn-secondary {
  background: linear-gradient(135deg, var(--accent-color), var(--dark-accent));
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--dark-accent), var(--accent-color));
}

.btn-white {
  background: var(--white);
  color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background: var(--background);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* === NAVEGACIÓN === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(224, 123, 223, 0.1);
  z-index: 1000;
  padding: var(--spacing-md) 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-sm) 0;
}

.nav-container {
  max-width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  position: relative;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  flex-shrink: 0;
  grid-column: 1;
  justify-self: start;
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  position: static;
  grid-column: 2;
  justify-self: center;
  white-space: nowrap;
  margin: 0;
  padding: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  font-size: var(--font-size-base);
  position: relative;
  transition: all var(--transition-normal);
  background: transparent;
  padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background: transparent;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Contenedor para elementos de la derecha */
.nav-right {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
  grid-column: 3;
  justify-self: end;
}

/* Menu Mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  margin: 3px 0;
  transition: all var(--transition-normal);
  border-radius: var(--border-radius-full);
}

/* === RESPONSIVE === */

/* Desktop - Asegurar que el menú se vea correctamente */
@media (min-width: 966px) {
  .nav-container {
    display: grid !important;
    grid-template-columns: 1fr auto 1fr !important;
  }
  
  .nav-logo {
    grid-column: 1 !important;
    justify-self: start !important;
  }
  
  .nav-menu {
    display: flex !important;
    position: static !important;
    grid-column: 2 !important;
    justify-self: center !important;
    left: auto !important;
    transform: none !important;
    flex-direction: row !important;
    gap: 1.5rem !important;
    background: transparent !important;
    background-color: transparent !important;
    backdrop-filter: none !important;
    height: auto !important;
    width: auto !important;
    padding: 0 !important;
    margin: 0 !important;
    top: auto !important;
    box-shadow: none !important;
    border: none !important;
    white-space: nowrap !important;
  }
  
  .nav-right {
    grid-column: 3 !important;
    justify-self: end !important;
  }
  
  .nav-item {
    background: transparent !important;
    background-color: transparent !important;
    width: auto !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  
  .nav-link {
    background: transparent !important;
    background-color: transparent !important;
    color: var(--text-primary) !important;
    padding: 0.5rem 0 !important;
    font-size: 0.95rem !important;
    display: inline-block !important;
    width: auto !important;
    border: none !important;
    box-shadow: none !important;
  }
  
  .nav-link:hover,
  .nav-link.active {
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
  }
  
  .nav-toggle {
    display: none !important;
  }
}

/* Para pantallas entre 966px y 1100px, reducir más el gap */
@media (min-width: 966px) and (max-width: 1100px) {
  .nav-menu {
    gap: 1rem !important;
  }
  
  .nav-link {
    font-size: 0.9rem !important;
  }
}

/* Mobile */
@media (max-width: 965px) {
  .nav-container {
    display: flex !important;
    justify-content: space-between !important;
  }
  
  .nav-menu {
    display: none !important;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-right {
    gap: 0;
  }
}

/* === HERO SECTION === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, 
    rgba(224, 123, 223, 0.05) 0%, 
    rgba(216, 199, 250, 0.05) 50%, 
    rgba(147, 235, 189, 0.05) 100%);
  padding: var(--spacing-4xl) 0;
  position: relative;
  overflow: hidden;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-text {
  max-width: 600px;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

.title-line {
  display: block;
  color: var(--text-primary);
}

.title-highlight {
  display: block;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* === ANIMACIÓN HERO === */
.hero-animation {
  position: relative;
  width: 100%;
  height: 500px;
}

.animation-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-element {
  position: absolute;
  z-index: 5;
}

.main-circle {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--primary-color), var(--dark-primary));
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: var(--font-size-3xl);
  box-shadow: var(--shadow-xl);
  animation: float 3s ease-in-out infinite;
}

.tech-element {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--white);
  box-shadow: var(--shadow-lg);
  animation: orbit 10s linear infinite;
}

.element-1 {
  background: linear-gradient(135deg, var(--secondary-color), var(--dark-secondary));
  top: 20%;
  left: 20%;
  animation-delay: 0s;
}

.element-2 {
  background: linear-gradient(135deg, var(--accent-color), var(--dark-accent));
  top: 20%;
  right: 20%;
  animation-delay: -2s;
}

.element-3 {
  background: linear-gradient(135deg, var(--primary-color), var(--dark-primary));
  bottom: 20%;
  left: 20%;
  animation-delay: -4s;
}

.element-4 {
  background: linear-gradient(135deg, var(--secondary-color), var(--dark-secondary));
  bottom: 20%;
  right: 20%;
  animation-delay: -6s;
}

.element-5 {
  background: linear-gradient(135deg, var(--accent-color), var(--dark-accent));
  top: 50%;
  right: 10%;
  animation-delay: -8s;
}

.bg-circle {
  position: absolute;
  border-radius: var(--border-radius-full);
  opacity: 0.1;
}

.circle-1 {
  width: 200px;
  height: 200px;
  background: var(--primary-color);
  top: 10%;
  right: 10%;
  animation: pulse 4s ease-in-out infinite;
}

.circle-2 {
  width: 150px;
  height: 150px;
  background: var(--accent-color);
  bottom: 20%;
  left: 10%;
  animation: pulse 4s ease-in-out infinite reverse;
}

.circle-3 {
  width: 100px;
  height: 100px;
  background: var(--secondary-color);
  top: 50%;
  left: 5%;
  animation: pulse 4s ease-in-out infinite;
  animation-delay: -2s;
}

/* Indicador de Scroll */
.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  animation: bounce 2s ease-in-out infinite;
}

.scroll-text {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.scroll-arrow {
  font-size: var(--font-size-lg);
}

/* === SERVICIOS PREVIEW === */
.services-preview {
  padding: var(--spacing-4xl) 0;
  background: var(--background);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.service-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transition: left var(--transition-slow);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
  left: 0;
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--white);
}

.service-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.services-cta {
  text-align: center;
}

/* === PROYECTOS PREVIEW === */
.projects-preview {
  padding: var(--spacing-4xl) 0;
}

.projects-showcase {
  display: grid;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.project-card {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.project-card.featured {
  grid-template-columns: 1.2fr 1fr;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.project-image {
  position: relative;
  overflow: hidden;
  height: 300px;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(224, 123, 223, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-info {
  padding: var(--spacing-xl);
}

.project-info h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.project-info p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.project-tags {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.tag {
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  color: var(--white);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-full);
}

.projects-cta {
  text-align: center;
}

/* === WHY CHOOSE US === */
.why-choose-us {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, 
    rgba(224, 123, 223, 0.03) 0%, 
    rgba(147, 235, 189, 0.03) 100%);
}

.content-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.feature-item i {
  font-size: var(--font-size-xl);
  color: var(--accent-color);
  margin-top: var(--spacing-xs);
  flex-shrink: 0;
}

.feature-text h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.feature-text p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.image-content img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
}

/* === FOOTER === */
.footer {
  background: #0f172a;
  color: #ffffff;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

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

.footer-logo h3 {
  color: var(--primary-color);
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.footer-section h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--primary-color);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color var(--transition-normal);
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.contact-item i {
  color: var(--accent-color);
  font-size: var(--font-size-lg);
}

.contact-item a {
  color: #cccccc;
  text-decoration: none;
  transition: color var(--transition-normal);
}

.contact-item a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid #333333;
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-bottom p {
  color: #999999;
  font-size: var(--font-size-sm);
}

/* === BOTÓN TOGGLE MODO OSCURO === */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  border-radius: var(--border-radius-full);
  color: var(--text-primary);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  padding: 0;
}

.theme-toggle-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: var(--primary-color);
  border-radius: var(--border-radius-full);
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
  z-index: -1;
}

.theme-toggle-btn:hover::before {
  width: 100%;
  height: 100%;
}

.theme-toggle-btn:hover {
  color: var(--white);
  transform: translateY(-2px) scale(1.05);
}

.theme-toggle-btn i {
  font-size: 1.1rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
  position: relative;
  z-index: 1;
}

.theme-toggle-btn:hover i {
  transform: scale(1.1) rotate(15deg);
}

.theme-toggle-btn.dark-mode {
  color: var(--text-primary);
}

.theme-toggle-btn.dark-mode:hover {
  color: var(--white);
}

.theme-toggle-btn.dark-mode::before {
  background: var(--dark-primary);
}

.theme-toggle-btn.dark-mode i {
  transform: rotate(180deg);
}

.theme-toggle-btn.dark-mode:hover i {
  transform: scale(1.1) rotate(195deg);
}

/* Animación sutil de transición entre iconos */
.theme-toggle-btn i.fa-moon,
.theme-toggle-btn i.fa-sun {
  animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* Responsive - mantener tamaño compacto */
@media (max-width: 768px) {
  .theme-toggle-btn {
    width: 40px;
    height: 40px;
  }
  
  .theme-toggle-btn i {
    font-size: 1rem;
  }
}

/* Animación de cambio de tema */
[data-theme="dark"] body {
  transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] * {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ========================================
   CARRUSEL DE IMÁGENES EN MODALES
   ======================================== */

.main-image {
  position: relative;
}

.project-gallery {
  position: relative;
}

.carousel-controls {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--spacing-md);
  pointer-events: none;
  z-index: 10;
}

.carousel-controls .carousel-btn {
  pointer-events: all;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  color: var(--text-primary);
}

.carousel-controls .carousel-btn:hover {
  background: var(--white);
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.carousel-controls .carousel-btn i {
  font-size: 1rem;
}

.carousel-indicators {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-xs);
  pointer-events: all;
}

.carousel-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-indicator.active {
  background: var(--primary-color);
  transform: scale(1.2);
}

.carousel-indicator:hover {
  background: rgba(255, 255, 255, 0.8);
}

/* Estado activo de miniaturas */
.thumbnail-gallery .thumbnail.active {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--primary-color);
}

/* Transiciones suaves para cambios de imagen */
.main-image img {
  transition: opacity 0.3s ease;
}

/* Estilos para modo oscuro */
[data-theme="dark"] .carousel-controls .carousel-btn {
  background: rgba(26, 26, 26, 0.9);
  color: var(--white);
}

[data-theme="dark"] .carousel-controls .carousel-btn:hover {
  background: var(--text-primary);
}

[data-theme="dark"] .carousel-indicator {
  background: rgba(255, 255, 255, 0.4);
}

[data-theme="dark"] .carousel-indicator:hover {
  background: rgba(255, 255, 255, 0.6);
}

/* Responsive para carrusel */
@media (max-width: 768px) {
  .carousel-controls {
    padding: 0 var(--spacing-sm);
  }
  
  .carousel-controls .carousel-btn {
    width: 35px;
    height: 35px;
  }
  
  .carousel-controls .carousel-btn i {
    font-size: 0.875rem;
  }
  
  .carousel-indicators {
    bottom: var(--spacing-sm);
  }
  
  .carousel-indicator {
    width: 6px;
    height: 6px;
  }
}