/* ============================================
   ENERLIFE - ESTILOS PRINCIPALES
   Optimizado SEO + Estética original
============================================ */

/* === VARIABLES CSS === */
:root {
  /* Colores principales */
  --color-primary: #2E7D32;
  --color-primary-dark: #1B5E20;
  --color-primary-light: #4CAF50;
  --color-secondary: #FFA000;
  --color-secondary-dark: #FF6F00;
  --color-accent: #FFC107;
  /* Colores neutros */
  --color-dark: #1a2e1a;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #e0e0e0;
  --color-bg-light: #f8faf8;
  --color-bg-white: #ffffff;
  /* Tipografía */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 42px;
  --font-size-4xl: 56px;
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  /* Bordes */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;
  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  /* Header */
  --header-height: 100px;
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* === HEADER Y NAVEGACIÓN === */
.header {
  background-color: var(--color-bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  overflow: visible;
}

.nav {
  height: 100%;
  padding: 0;
}

.nav-container {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  height: 100%;
  position: relative;
  z-index: 1001;
}

.logo img {
  height: 110px;
  width: auto;
  object-fit: contain;
  transform: translateY(10px);
  transition: transform var(--transition-base);
}

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

.nav-menu li a {
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--color-primary);
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  font-size: 28px;
  color: var(--color-primary);
}

/* === HERO SECTION === */
.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #e8f5e9 0%, #fff8e1 100%);
  padding: var(--spacing-2xl) 0;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.45);
  z-index: 2;
}

.hero .container {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
}

.hero-content {
  padding-left: var(--spacing-xl);
}

.hero-content h1 {
  font-size: var(--font-size-4xl);
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: #ffffff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  max-height: 700px;
  width: auto;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* === BOTONES === */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

/* === SECCIONES GENERALES === */
section {
  padding: var(--spacing-2xl) 0;
}

section h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-dark);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-weight: 700;
}

.intro-text {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* === SECCIÓN POR QUÉ SOMOS MEJOR OPCIÓN === */
.why-us {
  background-color: var(--color-bg-white);
}

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

.benefit-card {
  background: var(--color-bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
  border-top: 4px solid var(--color-primary);
}

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

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

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

/* === SECCIÓN SOBRE NOSOTROS === */
.about {
  background-color: var(--color-bg-light);
}

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

.about-text p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  line-height: 1.7;
}

.team {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.team-member {
  text-align: center;
  background: var(--color-bg-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.team-member:hover {
  transform: translateY(-5px);
}

.team-member img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  margin: 0 auto var(--spacing-sm);
  object-fit: cover;
  border: 3px solid var(--color-primary);
}

.team-member h4 {
  color: var(--color-dark);
  font-size: var(--font-size-base);
  margin-bottom: 4px;
}

.team-member p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* === TESTIMONIOS === */
.testimonials {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.testimonials h2 {
  color: white;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
}

.stars {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
}

.testimonial-card p {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.testimonial-card h4 {
  color: var(--color-accent);
  font-weight: 600;
}

/* === FAQ === */
.faq {
  background-color: var(--color-bg-white);
}

.faq-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: var(--spacing-md);
}

.faq-item {
  background: var(--color-bg-light);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
  transition: all var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.faq-item h3 {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.faq-item p {
  color: var(--color-text);
  line-height: 1.7;
}

/* === PÁGINA DE CONTACTO === */
.contact-page {
  background-color: var(--color-bg-light);
}

.contact-page h1 {
  font-size: var(--font-size-3xl);
  color: var(--color-dark);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

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

.contact-item {
  background: var(--color-bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.contact-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.contact-item h3 {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.contact-item p {
  color: var(--color-text);
  margin-bottom: 4px;
}

.contact-form-container {
  background: var(--color-bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form-container h2 {
  text-align: left;
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.contact-form {
  display: grid;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.map-container {
  margin-top: var(--spacing-xl);
  text-align: center;
}

.map-container h2 {
  margin-bottom: var(--spacing-md);
}

.map-container iframe {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* === SLIDE PRINCIPAL (Carrusel) === */
.slide-principal {
  background-color: var(--color-dark);
  overflow: hidden;
  padding: var(--spacing-xl) var(--spacing-md);
}

.slider-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.slider-track {
  display: flex;
  height: 100%;
  transition: transform var(--transition-slow);
  will-change: transform;
}

.slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border: none;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: background-color var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
  z-index: 5;
}

.slider-arrow svg {
  width: 22px;
  height: 22px;
}

.slider-arrow:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  transform: translateY(-50%) scale(1.08);
}

.slider-arrow:active {
  transform: translateY(-50%) scale(0.96);
}

.slider-arrow-prev {
  left: var(--spacing-md);
}

.slider-arrow-next {
  right: var(--spacing-md);
}

.slider-dots {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-xs);
  z-index: 5;
}

.slider-dot {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  padding: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.slider-dot:hover {
  background-color: rgba(255, 255, 255, 0.8);
}

.slider-dot.active {
  background-color: var(--color-accent);
  transform: scale(1.2);
}

@media (max-width: 992px) {
  .slider-container {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 768px) {
  .slider-container {
    aspect-ratio: 1 / 1;
  }
  .slider-arrow {
    width: 40px;
    height: 40px;
  }
  .slider-arrow svg {
    width: 18px;
    height: 18px;
  }
  .slider-arrow-prev {
    left: var(--spacing-xs);
  }
  .slider-arrow-next {
    right: var(--spacing-xs);
  }
}

@media (max-width: 480px) {
  .slider-container {
    aspect-ratio: 3 / 4;
  }
}

/* === PÁGINA DE INSTALACIONES === */
.instalaciones-page {
  background-color: var(--color-bg-light);
}

.instalaciones-page h1 {
  font-size: var(--font-size-3xl);
  color: var(--color-dark);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.categories {
  margin-top: var(--spacing-xl);
}

.category-section {
  margin-bottom: var(--spacing-2xl);
  background: var(--color-bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.category-section h2 {
  text-align: left;
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.category-section > p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.gallery-grid img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: var(--radius-md);
  transition: transform var(--transition-base);
  cursor: pointer;
}

.gallery-grid img:hover {
  transform: scale(1.05);
}

.general-gallery {
  margin-top: var(--spacing-2xl);
}

.gallery-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.gallery-masonry img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
}

.gallery-masonry img:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

.cta-section {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  color: white;
  margin-top: var(--spacing-2xl);
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--spacing-sm);
}

.cta-section p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

.cta-section .btn-primary {
  background: white;
  color: var(--color-secondary-dark);
}

.cta-section .btn-primary:hover {
  background: var(--color-dark);
  color: white;
}

/* === PÁGINA DE PROYECTOS === */
.proyectos-page {
  background-color: var(--color-bg-light);
}

.proyectos-page h1 {
  font-size: var(--font-size-3xl);
  color: var(--color-dark);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.project-detail {
  background: var(--color-bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.project-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.project-images img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  transition: transform var(--transition-base);
  cursor: zoom-in;
}

.project-images img:hover {
  transform: scale(1.03);
}

.project-info h2 {
  text-align: left;
  color: var(--color-primary);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.project-specs {
  background: var(--color-bg-light);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--color-primary);
}

.project-specs p {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.project-description {
  color: var(--color-text);
  line-height: 1.7;
}

.upcoming-projects {
  background: var(--color-bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.upcoming-projects h2 {
  text-align: left;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.upcoming-projects ul {
  list-style: none;
  padding-left: 0;
}

.upcoming-projects li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.upcoming-projects li:last-child {
  border-bottom: none;
}

.upcoming-projects li::before {
  content: '️';
  position: absolute;
  left: 0;
}

/* === PÁGINAS LEGALES === */
.legal-page {
  background-color: var(--color-bg-light);
  padding: var(--spacing-2xl) 0;
}

.legal-page h1 {
  font-size: var(--font-size-3xl);
  color: var(--color-dark);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.update-date {
  text-align: center;
  color: var(--color-text-light);
  font-style: italic;
  margin-bottom: var(--spacing-xl);
}

.legal-content {
  background: var(--color-bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  max-width: 900px;
  margin: 0 auto;
}

.legal-content h2 {
  text-align: left;
  color: var(--color-primary);
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-primary);
}

.legal-content h2:first-of-type {
  margin-top: 0;
}

.legal-content h3 {
  color: var(--color-primary-dark);
  font-size: var(--font-size-lg);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.legal-content p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
  color: var(--color-text);
}

.legal-content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.legal-content ul li {
  margin-bottom: var(--spacing-xs);
  position: relative;
  padding-left: var(--spacing-md);
  list-style: none;
}

.legal-content ul li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.cookies-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.cookies-table thead {
  background: var(--color-primary);
  color: white;
}

.cookies-table th,
.cookies-table td {
  padding: var(--spacing-sm);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.cookies-table th {
  font-weight: 600;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  letter-spacing: 0.5px;
}

.cookies-table tbody tr:hover {
  background: var(--color-bg-light);
}

/* === FOOTER === */
.footer {
  background: linear-gradient(135deg, var(--color-dark) 0%, #0d1f0d 100%);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--color-accent);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-section p {
  margin-bottom: var(--spacing-xs);
  color: #cccccc;
  line-height: 1.6;
}

.footer-section a {
  color: #cccccc;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-accent);
}

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

.footer-map .map-embed {
  position: relative;
  width: 100%;
  padding-top: 65%;
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
}

.footer-map .map-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.footer-map p {
  font-size: var(--font-size-sm);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #999999;
  font-size: var(--font-size-sm);
}

/* === WHATSAPP FLOTANTE === */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: all var(--transition-base);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float img {
  width: 45px;
  height: auto;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* === RESPONSIVE === */
@media (min-width: 769px) and (max-width: 992px) {
  :root {
    --header-height: 90px;
  }
  .logo img {
    height: 95px;
    transform: translateY(8px);
  }
  .hero .container {
    grid-template-columns: 1fr 1fr;
    padding: 0 var(--spacing-lg);
  }
  .hero-content {
    padding-left: var(--spacing-md);
  }
  .hero-content h1 {
    font-size: var(--font-size-3xl);
  }
  .hero-image img {
    max-height: 380px;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 32px;
    --font-size-3xl: 26px;
    --font-size-2xl: 22px;
    --header-height: 70px;
  }
  .menu-toggle {
    display: block;
  }
  /* FOOTER MÓVIL: mapa al final */
  .footer-content {
    grid-template-columns: 1fr;
  }
  .footer-contact {
    order: 1;
  }
  .footer-links {
    order: 2;
  }
  .footer-map {
    order: 3;
  }
  /* LOGO MÓVIL ALINEADO Y CONTENIDO */
  .logo {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
    max-width: 70%;
  }
  .logo img {
    position: static;
    height: 60px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    transform: translateY(8px);
  }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--color-bg-white);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
    transition: left var(--transition-base);
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.active {
    left: 0;
  }
  .nav-menu li {
    width: 100%;
    text-align: center;
  }
  .nav-menu li a {
    display: block;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
  }
  /* HERO MÓVIL */
  .hero {
    min-height: auto;
    padding: 60px 0 40px 0;
  }
  .hero .container {
    grid-template-columns: 1fr;
    padding: 0 var(--spacing-md);
    gap: var(--spacing-md);
  }
  .hero-content {
    padding-left: 0;
    text-align: center;
    order: 2;
  }
  .hero-content h1 {
    font-size: var(--font-size-3xl);
  }
  .hero-subtitle {
    font-size: var(--font-size-base);
  }
  .hero-image {
    order: 1;
    justify-content: center;
  }
  .hero-image img {
    max-width: 220px;
    max-height: 280px;
  }
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  /* === SOBRE NOSOTROS - MÓVIL === */
  .about-content {
    display: flex;
    flex-direction: column;
  }
  .team {
    order: 1;
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 6px;
    width: 100%;
    margin-bottom: var(--spacing-md);
  }
  .team-member {
    flex: 1;
    max-width: 110px;
    padding: 6px 4px;
    text-align: center;
  }
  .team-member img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    margin: 0 auto 4px auto;
    object-fit: cover;
  }
  .team-member h4 {
    font-size: 12px;
    margin-bottom: 1px;
    line-height: 1.2;
  }
  .team-member p {
    font-size: 10px;
    line-height: 1.2;
  }
  .about-text {
    order: 2;
    width: 100%;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  /* === PROYECTOS - MÓVIL === */
  .project-detail {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  .project-info {
    order: 1;
  }
  .project-info h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
  }
  .project-images {
    order: 2;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  .project-images img {
    height: auto;
    cursor: zoom-in;
  }
  .project-specs {
    order: 3;
  }
  .project-description {
    order: 4;
  }
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 55px;
    height: 55px;
  }
  .cookies-table {
    font-size: var(--font-size-sm);
  }
  .cookies-table th,
  .cookies-table td {
    padding: var(--spacing-xs);
  }
}

@media (max-width: 480px) {
  :root {
    --header-height: 60px;
  }
  .logo img {
    height: 52px;
    transform: translateY(6px);
  }
  .container {
    padding: 0 var(--spacing-sm);
  }
  section {
    padding: var(--spacing-xl) 0;
  }
  .benefit-card,
  .contact-item,
  .faq-item {
    padding: var(--spacing-md);
  }
  .legal-content {
    padding: var(--spacing-md);
  }
  .contact-form-container {
    padding: var(--spacing-md);
  }
}

/* === LIGHTBOX === */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.92);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.lightbox-overlay img {
  max-width: 95%;
  max-height: 95%;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 25px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  color: #ffffff;
  font-size: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }