@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;600&family=Syne:wght@400;700;800&display=swap');

/* Variables Globales */
:root {
  --bg-color: #050505;
  --surface-color: #111111;
  --text-primary: #f0f0f0;
  --text-secondary: #999999;
  
  /* Acento Electric Cyan */
  --accent-color: #00E5FF;
  --accent-glow: rgba(0, 229, 255, 0.3);
  
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --radius-sm: 4px;
  --radius-md: 12px;
  
  --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  --glass: rgba(255, 255, 255, 0.02);
  --glass-border: rgba(255, 255, 255, 0.05);
}

/* Reset Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Canvas de Fondo (Three.js) */
#hero-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background: #050505;
  pointer-events: none;
}

body {
  background: transparent;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

/* Sistema de Cursor Personalizado */
.cursor {
  width: 8px;
  height: 8px;
  background: var(--accent-color);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
}

.cursor-follower {
  width: 40px;
  height: 40px;
  border: 1px solid var(--accent-glow);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, opacity 0.2s;
}

.cursor.hover {
  width: 60px;
  height: 60px;
  background: var(--accent-glow);
  border: 1px solid var(--accent-color);
  backdrop-filter: blur(2px);
}

.cursor-follower.hover {
  opacity: 0;
}

/* Tipografía Cinematográfica */
h1, h2, h3, .brand-font {
  font-family: 'Syne', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

/* Efecto de Brillo/Glitch en Texto */
.text-glitch {
  background: linear-gradient(90deg, #fff, var(--accent-color), #fff);
  background-size: 200% auto;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shine 5s linear infinite;
  padding-right: 15px;
  display: inline-block;
}

@keyframes shine {
  to {
    background-position: 200% center;
  }
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navegación Principal */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 2rem 0;
  z-index: 1000;
  background: linear-gradient(to bottom, rgba(5,5,5,0.9) 0%, rgba(5,5,5,0) 100%);
  transition: var(--transition);
}

.main-header.scrolled {
  padding: 1rem 0;
  background: rgba(5, 5, 5, 0.95);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: #fff;
}

.logo span {
  color: var(--accent-color);
}

.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  padding-bottom: 5px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-color);
  transition: width 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.nav-links a:hover {
  color: #fff;
}

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

/* Botón de Acción en Header */
.nav-links .btn-nav {
  color: white;
  border: 1px solid var(--accent-color);
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-links .btn-nav::after {
  display: none;
}

.nav-links .btn-nav:hover {
  color: #050505;
  background: var(--accent-color);
  box-shadow: 0 0 20px var(--accent-glow);
}

/* Hero Index */
.hero-idx {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-idx h1 {
  font-size: clamp(3.5rem, 10vw, 7rem);
  line-height: 0.95;
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.hero-idx p {
  color: var(--text-secondary);
  font-size: 1.25rem;
  max-width: 650px;
  margin-bottom: 3rem;
  font-weight: 300;
}

/* Botones Urban */
.btn-urban {
  display: inline-block;
  background: white;
  color: #000;
  padding: 1rem 3rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  transition: var(--transition);
  border-radius: var(--radius-sm);
}

.btn-urban:hover {
  background: var(--accent-color);
  color: white;
  transform: translateY(-5px);
  box-shadow: 0 10px 30px var(--accent-glow);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: #fff;
  padding: 1rem 3rem;
  border: 1px solid var(--glass-border);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  transition: var(--transition);
  border-radius: var(--radius-sm);
}

.btn-outline:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: var(--glass);
}

/* Contenedores Glassmorphism */
.glass-box {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 3rem;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.glass-box:hover {
  border-color: var(--accent-glow);
}

/* Grid de Portafolio */
.portfolio-grid {
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}

.portfolio-item {
  break-inside: avoid;
  margin-bottom: 2.5rem;
}

.portfolio-item:nth-child(even) {
  margin-top: 4rem;
}

@media (max-width: 991px) {
  .portfolio-item:nth-child(even) {
    margin-top: 0;
  }
}

/* Footer Global */
.main-footer {
  padding: 4rem 0;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.8));
  border-top: 1px solid var(--glass-border);
  position: relative;
  z-index: 10;
  backdrop-filter: blur(20px);
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 3rem;
  list-style: none;
  margin-bottom: 3rem;
}

.footer-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  font-size: 0.7rem;
  color: #444;
  letter-spacing: 0.1em;
}

/* Botón Flotante WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  z-index: 5000;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

.whatsapp-badge {
  position: absolute;
  right: 70px;
  bottom: 0px;
  background: var(--surface-color);
  border: 1px solid var(--glass-border);
  padding: 0.8rem 1.2rem;
  border-radius: 12px;
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  opacity: 0;
  transform: translateX(20px);
  pointer-events: none;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.whatsapp-badge::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--surface-color);
  border-top: 1px solid var(--glass-border);
  border-right: 1px solid var(--glass-border);
}

.whatsapp-float.notify .whatsapp-badge {
  opacity: 1;
  transform: translateX(0);
}

@keyframes pulse-whatsapp {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.whatsapp-float.notify {
  animation: pulse-whatsapp 2s infinite;
}

/* Inputs de Formulario */
.form-input:focus {
  border-color: var(--accent-color) !important;
  background: rgba(255, 255, 255, 0.05) !important;
  box-shadow: 0 0 15px var(--accent-glow);
}

.form-input::placeholder {
  color: #555;
  font-size: 0.9rem;
}

select.form-input option {
  background: #0a0a0a;
  color: #fff;
}

/* Iconos Sociales */
.social-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.social-icon:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  box-shadow: 0 0 15px var(--accent-glow);
  transform: translateY(-3px);
}

/* Navegación Móvil Oculta por Defecto */
.menu-toggle {
  display: none;
}

/* Media Queries / Responsividad Dinámica */

@media (max-width: 991px) {
  .hero-idx h1 { font-size: 3.5rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  body { cursor: auto; }
  .cursor, .cursor-follower { display: none; }
  
  .container { padding: 0 1.5rem; }
  
  /* Menú Móvil (Hamburguesa) */
  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 2000;
  }
  
  .menu-toggle span {
    width: 30px;
    height: 2px;
    background: #fff;
    transition: var(--transition);
  }
  
  .menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); background: var(--accent-color); }
  .menu-toggle.active span:nth-child(2) { opacity: 0; }
  .menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); background: var(--accent-color); }
  
  /* Overlay de Navegación */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    padding: 4rem;
    transition: 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    border-left: 1px solid var(--glass-border);
    z-index: 1000;
  }
  
  .nav-links.active { right: 0; }
  
  .nav-links a { font-size: 1.5rem; }
  
  /* Ajustes Generales Móvil */
  main { padding-top: 8rem !important; }
  .brand-font { font-size: 2.5rem !important; }
  
  .glass-box { padding: 2rem !important; }
  
  .form-row { grid-template-columns: 1fr !important; }
  
  .footer-nav { flex-direction: column; align-items: center; gap: 1.5rem; }
  
  .whatsapp-badge { display: none; } /* Ocultar burbuja en móvil para no saturar */
}

/* Clases de Control de Estado */
body.menu-open {
  overflow: hidden;
}

/* Utilidades de Grid para Contacto */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}