/* VYTERS - Variables CSS */
:root {
  /* Colores principales */
  --primary-orange: #FF6B35;
  --primary-dark: #1a1a1a;
  --secondary-dark: #2d2d2d;
  --dark-card: #252525;

  /* Colores de texto */
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;

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

  /* Bordes */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.3);
  --shadow-orange: 0 4px 20px rgba(255, 107, 53, 0.3);

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--primary-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  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);
  color: var(--text-secondary);
}

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

a:hover {
  color: #ff8255;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) 0;
  background: rgba(26, 26, 26, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: var(--transition-normal);
}

.header.scrolled {
  padding: var(--spacing-xs) 0;
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo-image {
  height: 48px;
  transition: var(--transition-normal);
}

.header.scrolled .logo-image {
  height: 40px;
}

/* Navegación */
.nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

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

.nav-link:hover {
  color: var(--primary-orange);
  background: rgba(255, 107, 53, 0.1);
}

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

/* Botón principal */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary-orange);
  color: var(--text-primary);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  text-align: center;
}

.btn:hover {
  background: #ff8255;
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange);
}

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

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

.btn-large {
  padding: 1.2rem 2.5rem;
  font-size: 1.1rem;
}

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

.container-wide {
  max-width: 1400px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-brand-logo {
  margin-bottom: var(--spacing-sm);
  animation: fadeInDown 1s ease-out;
}

.hero-brand-logo img {
  max-width: 360px;
  height: auto;
  filter: drop-shadow(0 4px 20px rgba(255, 107, 53, 0.4));
}

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

.hero-text {
  max-width: 440px;
}

.hero-text h1 {
  margin-bottom: var(--spacing-md);
}

.hero-text h1 .highlight {
  color: var(--primary-orange);
  position: relative;
}

.hero-text p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  width: 100%;
}

.hero-mockup {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 40px;
}

.hero-mockup img {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(255, 107, 53, 0.3));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Background animado */
.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  z-index: 1;
}

.hero-background::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
  top: -250px;
  right: -250px;
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.8;
  }
}

/* Secciones */
.section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

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

.section-header h2 {
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.feature-card {
  background: var(--dark-card);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-orange);
  box-shadow: var(--shadow-orange);
}

/* Logo central en features */
.feature-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 107, 53, 0.2);
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.feature-logo::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}

.feature-logo img {
  max-width: 150px;
  height: auto;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 30px rgba(255, 107, 53, 0.5));
  animation: float 6s ease-in-out infinite;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-orange), #ff8255);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
  margin-bottom: var(--spacing-xs);
}

.feature-card p {
  font-size: 0.95rem;
}

/* Mockups Showcase */
.mockups-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.mockup-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 9/16;
  background: var(--secondary-dark);
}

.mockup-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.mockup-item:hover img {
  transform: scale(1.05);
}

.mockup-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md) var(--spacing-sm);
  background: linear-gradient(to top, rgba(0,0,0,0.98) 0%, rgba(0,0,0,0.95) 50%, rgba(0,0,0,0.85) 70%, rgba(0,0,0,0.5) 90%, transparent 100%);
  transform: translateY(100%);
  transition: var(--transition-normal);
}

.mockup-item:hover .mockup-overlay {
  transform: translateY(0);
}

/* Logo central en mockups */
.mockup-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 107, 53, 0.2);
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  aspect-ratio: 9/16;
}

.mockup-logo::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}

.mockup-logo img {
  max-width: 180px;
  height: auto;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 40px rgba(255, 107, 53, 0.6));
  animation: float 6s ease-in-out infinite;
}

/* App Stores */
.app-stores {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.store-badge {
  height: 60px;
  width: auto;
  transition: var(--transition-fast);
}

.store-link:last-child .store-badge {
  height: 80px;
}

.store-badge:hover {
  transform: scale(1.05);
}

/* Footer */
.footer {
  background: var(--secondary-dark);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

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

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

.footer-links a {
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

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

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

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

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--dark-card);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--primary-orange);
  transform: translateY(-3px);
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
}

/* Responsive */
@media (max-width: 1024px) and (min-width: 769px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-logo {
    grid-column: 1 / -1;
  }

  .feature-logo img {
    max-width: 130px;
  }

  .mockups-showcase {
    grid-template-columns: repeat(2, 1fr);
  }

  .mockup-logo {
    grid-column: 1 / -1;
  }

  .mockup-logo img {
    max-width: 160px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 120px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-brand-logo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
  }

  .hero-brand-logo img {
    max-width: 280px;
  }

  .hero-text {
    max-width: 100%;
    width: 100%;
  }

  .hero-text p {
    margin: 0 auto var(--spacing-md);
    max-width: 440px;
  }

  .hero-buttons {
    justify-content: center;
    max-width: 440px;
    margin: 0 auto;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.98);
    flex-direction: column;
    padding: var(--spacing-md);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    z-index: 999;
    transition: var(--transition-normal);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-logo img {
    max-width: 120px;
  }

  .mockups-showcase {
    grid-template-columns: 1fr;
  }

  .mockup-logo img {
    max-width: 150px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }
}

/* Animaciones de entrada */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Loading */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary-orange);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}