/* ========================================
   PORTALMAS - Sistema de Diseño Premium DARK
   ======================================== */

:root {
  /* Colores principales - DARK THEME */
  --primary: #9C27B0;           /* Morado principal */
  --primary-dark: #7B1FA2;      /* Morado oscuro */
  --primary-light: #BA68C8;     /* Morado claro */
  
  --secondary: #25D366;         /* Verde WhatsApp */
  --secondary-dark: #1DA851;    /* Verde WhatsApp oscuro */
  --secondary-light: #4ADE80;   /* Verde claro */
  
  --accent: #00BCD4;            /* Cyan/Turquesa */
  --accent-dark: #0097A7;       /* Cyan oscuro */
  --accent-light: #26C6DA;      /* Cyan claro */
  
  /* Gradientes DARK */
  --gradient-primary: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
  --gradient-secondary: linear-gradient(135deg, #25D366 0%, #1DA851 100%);
  --gradient-accent: linear-gradient(135deg, #00BCD4 0%, #0097A7 100%);
  --gradient-hero: linear-gradient(135deg, rgba(123, 31, 162, 0.95) 0%, rgba(25, 25, 46, 0.98) 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  
  /* Neutrales DARK */
  --dark: #0f0f1e;              /* Fondo principal oscuro */
  --dark-light: #1a1a2e;        /* Fondo secundario */
  --dark-card: #16213e;         /* Fondo de cards */
  --gray: #94a3b8;              /* Gris texto */
  --gray-light: #cbd5e1;        /* Gris claro */
  --light: #f8f9fa;             /* Blanco/claro */
  --white: #ffffff;             /* Blanco puro */
  
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Tipografía */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;
  
  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.24);
  
  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ========================================
   Reset y Base
   ======================================== */

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

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

body {
  font-family: var(--font-primary);
  color: var(--gray-light);
  line-height: 1.6;
  background: var(--dark);
  overflow-x: hidden;
}

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

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

/* ========================================
   Tipografía
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

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

/* ========================================
   Header / Navegación
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 15, 30, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(156, 39, 176, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  transition: var(--transition-base);
}

.header.scrolled {
  background: rgba(15, 15, 30, 0.98);
  border-bottom-color: rgba(156, 39, 176, 0.4);
  box-shadow: 0 4px 30px rgba(156, 39, 176, 0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  transition: var(--transition-base);
}

.logo img {
  height: 45px;
  width: auto;
  transition: var(--transition-base);
}

.logo:hover img {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--gray-light);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.btn-contact {
  background: var(--gradient-secondary);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  transition: var(--transition-base);
}

.btn-contact:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

/* Menú móvil */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--gray-light);
  border-radius: 3px;
  transition: var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  color: var(--white);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
  opacity: 0.3;
  animation: float 20s linear infinite;
}

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

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.btn {
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

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

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

/* ========================================
   Secciones
   ======================================== */

.section {
  padding: var(--spacing-xl) 2rem;
}

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

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

.section-title {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  color: var(--gray);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   Planes de Internet
   ======================================== */

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-lg);
}

.plan-card {
  background: var(--dark-card);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(156, 39, 176, 0.2);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.plan-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.plan-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 48px rgba(156, 39, 176, 0.4);
  border-color: rgba(156, 39, 176, 0.5);
}

.plan-card:hover::before {
  transform: scaleX(1);
}

.plan-card.featured {
  background: var(--gradient-primary);
  color: var(--white);
  transform: scale(1.05);
}

.plan-card.featured .plan-price,
.plan-card.featured .plan-feature {
  color: var(--white);
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.plan-speed {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-xs);
}

.plan-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

.plan-card.featured .plan-price {
  color: var(--white);
}

.plan-features {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.plan-feature {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-light);
}

.plan-card.featured .plan-feature {
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.plan-feature::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  font-size: 1.2rem;
}

.plan-card.featured .plan-feature::before {
  color: var(--white);
}

.btn-plan {
  width: 100%;
  background: var(--gradient-primary);
  color: var(--white);
  padding: 1rem;
  border-radius: 12px;
  font-weight: 600;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.plan-card.featured .btn-plan {
  background: var(--white);
  color: var(--primary);
}

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

/* ========================================
   Características / Features
   ======================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-lg);
}

.feature-card {
  text-align: center;
  padding: 2rem;
  border-radius: 16px;
  background: var(--dark-card);
  border: 1px solid rgba(0, 188, 212, 0.2);
  transition: var(--transition-base);
}

.feature-card:hover {
  background: var(--dark-light);
  box-shadow: 0 8px 32px rgba(0, 188, 212, 0.3);
  border-color: rgba(0, 188, 212, 0.5);
  transform: translateY(-5px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-sm);
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0, 188, 212, 0.4);
}

.feature-title {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xs);
  color: var(--white);
}

.feature-description {
  color: var(--gray);
}

/* ========================================
   Zonas de Cobertura
   ======================================== */

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

.zone-badge {
  background: var(--gradient-primary);
  color: var(--white);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  text-align: center;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.zone-badge:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
  background: var(--gradient-hero);
  color: var(--white);
  text-align: center;
  padding: var(--spacing-xl) 2rem;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: pulse 4s ease infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.cta-content {
  position: relative;
  z-index: 1;
}

.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: #25D366;
  color: var(--white);
  padding: 1.25rem 3rem;
  border-radius: 50px;
  font-size: 1.3rem;
  font-weight: 700;
  box-shadow: var(--shadow-xl);
  transition: var(--transition-base);
  margin-top: var(--spacing-md);
}

.whatsapp-btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(37, 211, 102, 0.4);
}

.whatsapp-icon {
  font-size: 2rem;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background: var(--dark);
  color: var(--white);
  padding: var(--spacing-lg) 2rem var(--spacing-md);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: var(--spacing-md);
}

.footer-section h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--primary-light);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.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);
}

/* ========================================
   Animaciones
   ======================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--dark-light);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border-right: 1px solid rgba(156, 39, 176, 0.3);
    transition: var(--transition-base);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .plans-grid {
    grid-template-columns: 1fr;
  }
  
  .plan-card.featured {
    transform: scale(1);
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 1rem;
  }
  
  .section {
    padding: var(--spacing-lg) 1rem;
  }
  
  .btn {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
}