/* 
 * Mariachi Invasor de México - Estilos Principales
 * Mobile-first, responsive, con variables CSS y animaciones suaves
 */

/* ===== VARIABLES Y CONFIGURACIÓN ===== */
:root {
  /* Paleta mexicana */
  --color-rojo: #C8102E;
  --color-verde: #006847;
  --color-blanco: #FFFFFF;
  --color-oro: #D4AF37;
  --color-oro-oscuro: #B8962E;
  
  /* Neutros */
  --color-gris-claro: #F8F5F0;
  --color-gris: #6B6B6B;
  --color-gris-oscuro: #2C2C2C;
  --color-negro: #1A1A1A;
  
  /* Tipografías */
  --font-titulo: 'Playfair Display', serif;
  --font-cuerpo: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Bordes y sombras */
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
  
  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Z-index */
  --z-modal: 1000;
  --z-whatsapp: 999;
  --z-header: 100;
}

/* Dark mode opcional */
@media (prefers-color-scheme: dark) {
  :root {
    --color-gris-claro: #1E1E1E;
    --color-gris: #A0A0A0;
    --color-gris-oscuro: #E0E0E0;
    --color-negro: #F5F5F5;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
  }
}

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

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

body {
  font-family: var(--font-cuerpo);
  background-color: var(--color-gris-claro);
  color: var(--color-negro);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Patrón sutil de fondo (papel picado) */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 35%, rgba(212, 175, 55, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(200, 16, 46, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ===== TIPOGRAFÍA ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-titulo);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-rojo);
  margin-bottom: var(--space-sm);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  position: relative;
  padding-bottom: var(--space-sm);
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-verde), var(--color-oro), var(--color-verde));
  border-radius: 2px;
}

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

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

a:hover {
  color: var(--color-rojo);
}

/* ===== BOTONES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--color-rojo), #A00D26);
  color: var(--color-blanco);
  font-family: var(--font-titulo);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--color-rojo);
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-md);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, #A00D26, var(--color-rojo));
}

.btn:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-oro);
  color: var(--color-oro);
}

.btn-outline:hover {
  background: var(--color-oro);
  color: var(--color-negro);
}

.btn-whatsapp {
  background: #25D366;
  border-color: #25D366;
}

.btn-whatsapp:hover {
  background: #128C7E;
  border-color: #128C7E;
}

/* ===== HEADER Y NAVEGACIÓN ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 3px solid var(--color-oro);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-normal);
}

.header.scrolled {
  padding: var(--space-xs) var(--space-md);
  box-shadow: var(--shadow-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-rojo);
}

.logo-icon {
  font-size: 1.5rem;
  color: var(--color-oro);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-rojo);
  cursor: pointer;
  padding: var(--space-xs);
}

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

.nav-menu a {
  font-weight: 600;
  color: var(--color-gris-oscuro);
  position: relative;
  padding: var(--space-xs) 0;
}

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

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

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, 
    rgba(0, 104, 71, 0.9) 0%, 
    rgba(200, 16, 46, 0.85) 50%, 
    rgba(212, 175, 55, 0.8) 100%),
    url('/assets/img/hero-bg.jpg') center/cover no-repeat;
  color: var(--color-blanco);
  overflow: hidden;
}

/* Patrón de sombrero charro sutil */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(ellipse at 30% 20%, rgba(212, 175, 55, 0.1) 0%, transparent 40%),
    radial-gradient(ellipse at 70% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 45%);
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  animation: fadeInUp 1s ease-out;
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: var(--color-blanco);
  margin-bottom: var(--space-md);
  text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}

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

.hero-cta {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Animación fade-in */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== SECCIONES GENERALES ===== */
.section {
  padding: var(--space-lg) var(--space-md);
}

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

.section-title span {
  display: block;
  font-size: 1rem;
  color: var(--color-oro);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-xs);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== SERVICIOS ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.service-card {
  background: var(--color-blanco);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border: 2px solid transparent;
  border-image: linear-gradient(135deg, var(--color-verde), var(--color-oro)) 1;
}

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

.service-icon {
  font-size: 2.5rem;
  color: var(--color-rojo);
  margin-bottom: var(--space-sm);
  display: block;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

/* ===== GALERÍA ===== */
.gallery {
  background: var(--color-blanco);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-sm);
}

.gallery-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.gallery-item:hover {
  transform: scale(1.03);
}

.gallery-item img,
.gallery-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img,
.gallery-item:hover video {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm);
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: var(--color-blanco);
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

/* ===== TESTIMONIOS ===== */
.testimonials {
  background: linear-gradient(135deg, var(--color-gris-claro), #E8E4D9);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.testimonial-card {
  background: var(--color-blanco);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-oro);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-rojo), var(--color-verde));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blanco);
  font-weight: 700;
  font-family: var(--font-titulo);
}

.testimonial-rating {
  color: var(--color-oro);
  font-size: 1.1rem;
}

.testimonial-rating .empty {
  color: var(--color-gris-claro);
}

.testimonial-comment {
  font-style: italic;
  color: var(--color-gris);
}

.testimonial-meta {
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-gris);
}

/* ===== CONTACTO ===== */
.contact {
  background: var(--color-blanco);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.contact-info h3 {
  color: var(--color-verde);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--color-rojo);
  min-width: 24px;
}

.contact-form .form-group {
  margin-bottom: var(--space-md);
}

.contact-form label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  color: var(--color-gris-oscuro);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #E0E0E0;
  border-radius: var(--border-radius);
  font-family: var(--font-cuerpo);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--color-oro);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

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

.map-container {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 300px;
  background: var(--color-gris-claro);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ===== FOOTER ===== */
.footer {
  background: linear-gradient(135deg, var(--color-negro), #2C2C2C);
  color: var(--color-blanco);
  padding: var(--space-lg) var(--space-md) var(--space-md);
  text-align: center;
}

.footer-logo {
  font-family: var(--font-titulo);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-oro);
  margin-bottom: var(--space-sm);
  display: block;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin: var(--space-md) 0;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-gris-claro);
  transition: color var(--transition-fast);
}

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

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: var(--color-blanco);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

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

.footer-copyright {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
  color: var(--color-gris);
}

/* ===== WHATSAPP FLOTANTE ===== */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  z-index: var(--z-whatsapp);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.whatsapp-float a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: white;
  font-size: 2rem;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
}

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

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-negro);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
}

/* ===== MODAL COTIZACIÓN ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.7);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  animation: fadeIn var(--transition-normal);
}

.modal.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--color-blanco);
  border-radius: var(--border-radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-gris);
  cursor: pointer;
  padding: var(--space-xs);
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-rojo);
}

.modal-header {
  padding: var(--space-md) var(--space-md) 0;
  text-align: center;
  border-bottom: 2px solid var(--color-gris-claro);
}

.modal-body {
  padding: var(--space-md);
}

/* ===== ADMIN PANEL ===== */
.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-md);
  background: linear-gradient(135deg, var(--color-verde), var(--color-rojo));
}

.admin-login-card {
  background: var(--color-blanco);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  max-width: 400px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.admin-login-card h2 {
  color: var(--color-rojo);
  margin-bottom: var(--space-md);
}

.admin-login-card .form-group {
  margin-bottom: var(--space-md);
  text-align: left;
}

.admin-dashboard {
  display: none; /* Se activa con JS tras login */
  min-height: 100vh;
  background: var(--color-gris-claro);
}

.admin-header {
  background: var(--color-negro);
  color: var(--color-blanco);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-nav {
  display: flex;
  gap: var(--space-sm);
}

.admin-nav button {
  background: none;
  border: none;
  color: var(--color-gris-claro);
  padding: var(--space-xs) var(--space-sm);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.admin-nav button.active,
.admin-nav button:hover {
  color: var(--color-oro);
}

.admin-main {
  padding: var(--space-lg) var(--space-md);
}

.admin-section {
  display: none;
  background: var(--color-blanco);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.admin-section.active {
  display: block;
}

.admin-section h3 {
  color: var(--color-verde);
  border-bottom: 2px solid var(--color-gris-claro);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
}

.upload-area {
  border: 3px dashed var(--color-oro);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-gris-claro);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--color-rojo);
  background: rgba(200, 16, 46, 0.05);
}

.upload-area input[type="file"] {
  display: none;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.preview-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  aspect-ratio: 1;
}

.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-item .remove-btn {
  position: absolute;
  top: 5px;
  right: 5px;
  background: var(--color-rojo);
  color: white;
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== UTILIDADES ===== */
.text-center { text-align: center; }
.text-rojo { color: var(--color-rojo); }
.text-verde { color: var(--color-verde); }
.text-oro { color: var(--color-oro); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--color-blanco);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    transition: left var(--transition-normal);
    box-shadow: var(--shadow-md);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .whatsapp-tooltip {
    display: none; /* Ocultar tooltip en móvil */
  }
  
  .whatsapp-float {
    bottom: var(--space-sm);
    right: var(--space-sm);
  }
  
  .whatsapp-float a {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
  }
  
  .section {
    padding: var(--space-md) var(--space-sm);
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* ===== ACCESIBILIDAD ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* Focus visible para navegación con teclado */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-oro);
  outline-offset: 2px;
}

/* Skip link para accesibilidad */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-rojo);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}