/* ==========================================================================
   DECORACIONES ACOSTA - ESTILOS PRINCIPALES
   ========================================================================== */

/* Variables CSS
   ========================================================================== */
:root {
  /* Colores principales */
  --color-primary: #1e40af;       /* Azul */
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #3b82f6;
  
  --color-secondary: #ea580c;     /* Naranja */
  --color-secondary-dark: #c2410c;
  --color-secondary-light: #fb923c;
  
  --color-text: #111827;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-gray: #f9fafb;
  --color-border: #e5e7eb;
  
  /* Tipografía */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Contenedor */
  --container-max-width: 1200px;
  
  /* 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);
  
  /* Transiciones */
  --transition: 0.3s ease;
}

/* Reset y estilos base
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

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

/* Tipografía
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

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

.section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-bg-gray {
  background-color: var(--color-bg-gray);
}

/* Header y navegación
   ========================================================================== */
.header {
  background-color: var(--color-bg);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
}

.logo-img {
  height: 100px;
  width: auto;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  transition: color var(--transition);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

/* Hero Section
   ========================================================================== */
.hero {
  background: url('../img/hero-background.png') center/cover no-repeat;
  color: white;
  text-align: center;
  padding: var(--spacing-xxl) 0;
  min-height: 500px;
  display: flex;
  align-items: center;
}

.hero h1 {
  color: white;
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

/* Botones
   ========================================================================== */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: white;
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

/* Grid de servicios
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.service-card {
  background: var(--color-bg);
  padding: var(--spacing-lg);
  border-radius: 0.5rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.service-icon {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 120px;
}

.service-icon img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.service-card h3 {
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

/* Grid de trabajos realizados
   ========================================================================== */
.trabajos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.trabajo-card {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform var(--transition);
}

.trabajo-card:hover {
  transform: scale(1.05);
}

.trabajo-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.trabajo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: white;
  padding: var(--spacing-md);
  transform: translateY(100%);
  transition: transform var(--transition);
}

.trabajo-card:hover .trabajo-overlay {
  transform: translateY(0);
}

/* CTA (Call to Action)
   ========================================================================== */
.cta {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: white;
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

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

.cta p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

/* Información de contacto
   ========================================================================== */
.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.contact-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.contact-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-item h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.contact-item a {
  color: var(--color-text-light);
  font-size: 1.125rem;
}

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

/* Formularios
   ========================================================================== */
.form-group {
  margin-bottom: var(--spacing-md);
}

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm);
  font-size: 1rem;
  font-family: var(--font-family);
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  transition: border-color var(--transition);
}

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

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer
   ========================================================================== */
.footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-section h3 {
  color: white;
  margin-bottom: var(--spacing-md);
}

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

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

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
}

.social-icon {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.8);
  transition: all var(--transition);
  display: inline-block;
}

.social-icon img {
  width: 32px;
  height: 32px;
  opacity: 0.8;
  transition: opacity var(--transition);
}

.social-icon:hover img {
  opacity: 1;
}

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

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

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

/* Responsive Design
   ========================================================================== */
@media (max-width: 768px) {
  :root {
    --font-size-base: 14px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .hero h1 {
    font-size: 2.25rem;
  }
  
  .nav-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md);
  }
  
  .nav-list.active {
    display: flex;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .services-grid,
  .trabajos-grid {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .btn-large {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
  }
}