/* =========================================
   LANDING PAGE IPTV - GOOGLE MATERIAL STYLE
   Multi-Theme Support with CSS Custom Properties
   ========================================= */

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

/* Variables CSS - Tema por defecto (Google Red) */
:root {
  /* Colores principales - Se sobrescriben dinámicamente por tema */
  --primary: #EA4335;
  --primary-dark: #D33426;
  --primary-light: #F06B5F;
  --secondary: #FBBC04;
  --accent: #34A853;

  /* Colores neutros Google Style */
  --text: #202124;
  --text-secondary: #5F6368;
  --background: #FFFFFF;
  --gray-50: #F8F9FA;
  --gray-100: #F1F3F4;
  --gray-200: #E8EAED;
  --gray-300: #DADCE0;
  --gray-400: #BDC1C6;
  --gray-500: #9AA0A6;
  --gray-600: #80868B;
  --gray-700: #5F6368;
  --gray-800: #3C4043;
  --gray-900: #202124;

  /* Gradiente dinámico */
  --gradient: linear-gradient(135deg, #EA4335 0%, #FBBC04 100%);

  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Tipografía Google Style */
  --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Google Sans', 'Roboto', sans-serif;

  /* Pesos */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-bold: 700;
  --font-black: 900;

  /* Bordes radius Material Design */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Sombras Material Design */
  --shadow-sm: 0 1px 2px 0 rgba(60,64,67,.3), 0 1px 3px 1px rgba(60,64,67,.15);
  --shadow-md: 0 1px 3px 0 rgba(60,64,67,.3), 0 4px 8px 3px rgba(60,64,67,.15);
  --shadow-lg: 0 2px 6px 2px rgba(60,64,67,.15), 0 8px 24px 4px rgba(60,64,67,.15);
  --shadow-xl: 0 4px 16px 4px rgba(60,64,67,.15), 0 8px 24px 4px rgba(60,64,67,.15);

  /* Elevaciones específicas */
  --elevation-card: 0 1px 2px 0 rgba(60,64,67,.3), 0 2px 6px 2px rgba(60,64,67,.15);
  --elevation-hover: 0 4px 8px rgba(60,64,67,.15), 0 8px 16px rgba(60,64,67,.15);

  /* Transiciones */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

/* Navbar - Material Style */
.navbar {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  min-height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: var(--font-medium);
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
}

.logo svg {
  transition: var(--transition);
}

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

.logo-text {
  color: var(--text);
  font-weight: var(--font-medium);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--font-medium);
  font-size: 0.875rem;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  background: var(--gray-100);
  color: var(--text);
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--gray-100);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-weight: var(--font-medium);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  margin-left: 8px;
}

.lang-toggle:hover {
  background: var(--gray-200);
  transform: scale(1.05);
}

/* Hero Section - Google Style */
.hero {
  background: var(--gradient);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--font-bold);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-weight: var(--font-regular);
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-2xl);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-bold);
  margin-bottom: 0.5rem;
  color: white;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--font-medium);
}

/* Buttons - Material Design */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: var(--font-medium);
  font-size: 0.875rem;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 0.875rem;
  min-width: 140px;
}

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

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Sections */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: var(--font-bold);
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--text);
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Features Section */
.features {
  padding: var(--spacing-3xl) 0;
  background: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  padding: var(--spacing-xl);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  border: 1px solid transparent;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--elevation-hover);
  border-color: var(--primary);
  background: white;
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: white;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: var(--font-medium);
  margin-bottom: var(--spacing-sm);
  color: var(--text);
}

.feature-desc {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.9375rem;
}

/* Plans Section - Material Cards */
.plans {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-50);
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.plan-card {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-sm);
  position: relative;
  border: 2px solid var(--gray-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 460px;
}

.plan-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: var(--transition);
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--elevation-hover);
  border-color: var(--primary);
}

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

.plan-card.is-popular {
  border-color: var(--primary);
  border-width: 3px;
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.plan-card.is-popular::before {
  transform: scaleX(1);
  height: 4px;
}

.plan-card.is-popular:hover {
  transform: scale(1.03) translateY(-4px);
}

.badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--gradient);
  color: white;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.625rem;
  font-weight: var(--font-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: var(--shadow-md);
  z-index: 10;
}

.plan-header {
  text-align: center;
  margin-bottom: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
}

.plan-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: var(--font-bold);
  color: var(--gray-700);
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.price-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-bottom: var(--spacing-xs);
}

.currency {
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-weight: var(--font-bold);
  align-self: flex-start;
  margin-top: 4px;
}

.amount {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: var(--font-black);
  color: var(--primary);
  line-height: 1;
  letter-spacing: -0.03em;
}

.period {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: var(--font-medium);
  align-self: flex-end;
  margin-bottom: 4px;
}

.deal {
  text-align: center;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: white;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: var(--font-bold);
  margin: 0 auto var(--spacing-xs);
  display: inline-block;
  box-shadow: var(--shadow-sm);
  letter-spacing: 0.03em;
}

.plan-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-300), transparent);
  margin: var(--spacing-sm) 0;
}

.plan-card .features {
  list-style: none;
  margin-bottom: var(--spacing-sm);
  flex-grow: 1;
  background: var(--gray-50);
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.plan-card .features li {
  padding: 6px 0;
  color: var(--text);
  line-height: 1.4;
  font-size: 0.8125rem;
  position: relative;
  padding-left: 24px;
  font-weight: var(--font-medium);
}

.plan-card .features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--accent);
  font-weight: var(--font-black);
  font-size: 1rem;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(52, 168, 83, 0.1);
  border-radius: 50%;
}

.plan-card .features li:not(:last-child) {
  border-bottom: 1px solid var(--gray-200);
}

.plan-highlight {
  background: linear-gradient(135deg, rgba(234, 67, 53, 0.05), rgba(251, 188, 4, 0.05));
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  border-left: 3px solid var(--primary);
}

.plan-highlight-title {
  font-size: 0.6875rem;
  font-weight: var(--font-bold);
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}

.plan-highlight-text {
  font-size: 0.8125rem;
  color: var(--text);
  font-weight: var(--font-medium);
  line-height: 1.4;
}

.plan-note {
  font-size: 0.6875rem;
  color: var(--text-secondary);
  text-align: center;
  margin: var(--spacing-sm) 0;
  line-height: 1.4;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: white;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
}

.plan-card .btn {
  width: 100%;
  margin-top: auto;
  padding: 12px 20px;
  font-size: 0.75rem;
  font-weight: var(--font-bold);
  letter-spacing: 0.05em;
}

.plan-card.is-popular .btn {
  background: var(--gradient);
  color: white;
  border: none;
}

.plan-card.is-popular .btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  max-width: 800px;
  margin: 0 auto;
  box-shadow: var(--elevation-card);
  color: var(--text);
  text-align: center;
  border: 1px solid var(--gray-200);
}

.guarantee svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* Contact Section */
.contact {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-900);
  color: white;
}

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

@media (min-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: var(--font-bold);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.contact-info p {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.contact-benefits {
  list-style: none;
}

.contact-benefits li {
  padding: var(--spacing-xs) 0;
  font-size: 1.0625rem;
  opacity: 0.95;
}

.contact-cta {
  text-align: center;
}

.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: #25D366;
  color: white;
  padding: 16px 32px;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: var(--font-medium);
  font-size: 1.0625rem;
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-md);
}

.whatsapp-btn:hover {
  background: #20BA5A;
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.contact-note {
  opacity: 0.8;
  font-size: 0.875rem;
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.7);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand p {
  margin-top: var(--spacing-sm);
  line-height: 1.6;
  font-size: 0.9375rem;
}

.footer-links h4 {
  color: white;
  font-weight: var(--font-medium);
  margin-bottom: var(--spacing-md);
  font-family: var(--font-display);
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  padding: 6px 0;
  transition: var(--transition-fast);
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: white;
  padding-left: 8px;
}

.footer-legal {
  font-size: 0.875rem;
}

.disclaimer {
  margin-top: var(--spacing-sm);
  opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .nav-links .nav-link:not(:last-of-type) {
    display: none;
  }

  .stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .plans-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .plan-card {
    min-height: auto;
  }

  .plan-card.is-popular {
    transform: scale(1);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .plans-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
}

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

.hero-content > * {
  animation: fadeInUp 0.6s ease-out backwards;
}

.hero-title { animation-delay: 0.1s; }
.hero-subtitle { animation-delay: 0.2s; }
.hero-buttons { animation-delay: 0.3s; }
.stats { animation-delay: 0.4s; }

/* Utilidades */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }