/* ===== VARIABLES CSS ===== */
:root {
    /* Colores principales */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --bg-gradient: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    
    /* Colores de texto */
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    
    /* Colores de acento */
    --accent-primary: #facc15;
    --accent-secondary: #f59e0b;
    --accent-gradient: linear-gradient(135deg, #facc15 0%, #f59e0b 100%);
    
    /* Bordes y sombras */
    --border-color: #333333;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --glow: 0 0 20px rgba(250, 204, 21, 0.3);
    
    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* Espaciado */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    /* Bordes redondeados */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
  }
  
  /* ===== RESET Y BASE ===== */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
  }
  
  /* ===== HERO SECTION ===== */
  .hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
  }
  
  .hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    z-index: 2;
    position: relative;
  }
  
  .hero-content {
    animation: fadeInUp 0.8s ease-out;
  }
  
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
  }
  
  .badge-icon {
    font-size: var(--font-size-base);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
  }
  
  .highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    font-weight: 400;
  }
  
  .scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--accent-primary);
    font-size: var(--font-size-sm);
    animation: bounce 2s infinite;
  }
  
  .scroll-arrow {
    font-size: var(--font-size-lg);
    animation: bounceArrow 2s infinite;
  }
  
  .hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .hero-image-container {
    position: relative;
    max-width: 420px;
    width: 100%;
  }
  
  .hero-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
  }
  
  .hero-image:hover {
    transform: scale(1.05);
  }
  
  .floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }
  
  .floating-element {
    position: absolute;
    font-size: var(--font-size-2xl);
    animation: float 3s ease-in-out infinite;
    animation-delay: var(--delay);
  }
  
  .floating-element:nth-child(1) { top: 10%; right: -10%; }
  .floating-element:nth-child(2) { bottom: 20%; left: -15%; }
  .floating-element:nth-child(3) { top: 60%; right: -5%; }
  
  .hero-bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(250, 204, 21, 0.1) 0%, transparent 70%);
    z-index: 1;
  }
  
  /* ===== NEWSLETTER SECTION ===== */
  .newsletter-section {
    padding: var(--space-2xl) 0;
    position: relative;
  }
  
  .newsletter-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
  }
  
  .newsletter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--accent-gradient);
  }
  
  .card-header {
    margin-bottom: var(--space-xl);
  }
  
  .email-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
    display: block;
  }
  
  .card-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
  }
  
  .value-props {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
  }
  
  .value-prop {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(250, 204, 21, 0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(250, 204, 21, 0.2);
    transition: all var(--transition-normal);
  }
  
  .value-prop:hover {
    background: rgba(250, 204, 21, 0.1);
    transform: translateY(-2px);
  }
  
  .prop-icon {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
  }
  
  .anti-pitch {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent-primary);
  }
  
  .anti-pitch p {
    margin-bottom: var(--space-sm);
  }
  
  .anti-pitch p:last-child {
    margin-bottom: 0;
  }
  
  .signup-form {
    margin: var(--space-xl) 0;
  }
  
  .signup-form iframe {
    border: none;
    width: 100%;
    max-width: 480px;
    height: 160px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
  }
  
  .author-quote {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
  }
  
  .author-quote blockquote {
    font-style: italic;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    position: relative;
  }
  
  /* ===== AUDIENCE SECTION ===== */
  .audience-section {
    padding: var(--space-2xl) 0;
  }
  
  .section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-xl);
  }
  
  .audience-card,
  .content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-normal);
  }
  
  .audience-card:hover,
  .content-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
  }
  
  .card-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
    display: block;
  }
  
  .audience-card h3,
  .content-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--accent-primary);
  }
  
  .audience-points {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .point {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
  }
  
  .point:hover {
    background: rgba(250, 204, 21, 0.05);
  }
  
  .point-check {
    color: var(--accent-primary);
    font-weight: 600;
    flex-shrink: 0;
    margin-top: 2px;
  }
  
  .content-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .content-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: all var(--transition-normal);
  }
  
  .content-item:hover {
    background: rgba(250, 204, 21, 0.05);
    border-color: rgba(250, 204, 21, 0.2);
  }
  
  .item-icon {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
    margin-top: 2px;
  }
  
  .item-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }
  
  .item-content strong {
    color: var(--text-primary);
    font-weight: 600;
  }
  
  .item-content span {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
  }
  
  /* ===== PHILOSOPHY SECTION ===== */
  .philosophy-section {
    padding: var(--space-2xl) 0;
    position: relative;
  }
  
  .philosophy-card {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
  }
  
  .quote-mark {
    font-size: 4rem;
    color: var(--accent-primary);
    opacity: 0.3;
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: serif;
  }
  
  .philosophy-quote {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.8;
    padding: var(--space-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    position: relative;
    margin-top: 2rem;
  }
  
  /* ===== AUTHOR SECTION ===== */
  .author-section {
    padding: var(--space-2xl) 0;
  }
  
  .author-card {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    max-width: 600px;
    margin: 0 auto;
    transition: all var(--transition-normal);
  }
  
  .author-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
  }
  
  .author-image-container {
    position: relative;
    flex-shrink: 0;
  }
  
  .author-image {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--accent-primary);
  }
  
  .author-badge {
    position: absolute;
    bottom: -5px;
    right: -5px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    border: 3px solid var(--bg-primary);
  }
  
  .author-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
  }
  
  .author-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
  }
  
  .author-location {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--accent-primary);
    font-size: var(--font-size-sm);
  }
  
  .location-icon {
    font-size: var(--font-size-base);
  }
  
  /* ===== FOOTER ===== */
  .footer {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-color);
    margin-top: var(--space-2xl);
  }
  
  .footer-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
  }
  
  .footer-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
  }
  
  .footer-link:hover {
    color: var(--accent-secondary);
  }
  
  .separator {
    color: var(--text-muted);
  }
  
  .footer-motto {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-style: italic;
  }
  
  /* ===== BACKGROUND ANIMATION ===== */
  .bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
  }
  
  .floating-dot {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    opacity: 0.3;
    left: var(--x);
    top: var(--y);
    animation: floatDot 6s ease-in-out infinite;
    animation-delay: var(--delay);
  }
  
  /* ===== ANIMATIONS ===== */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  @keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
      transform: translateY(0);
    }
    40% {
      transform: translateY(-10px);
    }
    60% {
      transform: translateY(-5px);
    }
  }
  
  @keyframes bounceArrow {
    0%, 20%, 50%, 80%, 100% {
      transform: translateY(0);
    }
    40% {
      transform: translateY(-5px);
    }
    60% {
      transform: translateY(-3px);
    }
  }
  
  @keyframes float {
    0%, 100% {
      transform: translateY(0px) rotate(0deg);
    }
    50% {
      transform: translateY(-20px) rotate(180deg);
    }
  }
  
  @keyframes floatDot {
    0%, 100% {
      transform: translateY(0px);
      opacity: 0.3;
    }
    50% {
      transform: translateY(-30px);
      opacity: 0.8;
    }
  }
  
  /* ===== RESPONSIVE DESIGN ===== */
  @media (max-width: 1024px) {
    .hero .container {
      grid-template-columns: 1fr;
      gap: var(--space-xl);
      text-align: center;
    }
    
    .hero-title {
      font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
      font-size: var(--font-size-lg);
    }
    
    .section-grid {
      grid-template-columns: 1fr;
    }
  }
  
  @media (max-width: 768px) {
    :root {
      --space-xs: 0.25rem;
      --space-sm: 0.75rem;
      --space-md: 1rem;
      --space-lg: 1.5rem;
      --space-xl: 2rem;
      --space-2xl: 2.5rem;
    }
    
    .container {
      padding: 0 var(--space-sm);
    }
    
    .hero-title {
      font-size: var(--font-size-2xl);
      line-height: 1.3;
    }
    
    .hero-subtitle {
      font-size: var(--font-size-base);
    }
    
    .newsletter-card,
    .audience-card,
    .content-card {
      padding: var(--space-lg);
    }
    
    .value-props {
      grid-template-columns: 1fr;
    }
    
    .value-prop {
      flex-direction: column;
      text-align: center;
      gap: var(--space-xs);
    }
    
    .author-card {
      flex-direction: column;
      text-align: center;
      gap: var(--space-lg);
    }
    
    .author-image {
      width: 80px;
      height: 80px;
    }
    
    .floating-elements {
      display: none;
    }
    
    .section-grid {
      grid-template-columns: 1fr;
      gap: var(--space-lg);
    }
    
    .card-header h2 {
      font-size: var(--font-size-xl);
    }
    
    .philosophy-quote {
      font-size: var(--font-size-lg);
      padding: var(--space-lg);
    }
    
    .quote-mark {
      font-size: 3rem;
      top: -1.5rem;
    }
  }
  
  @media (max-width: 480px) {
    .hero-title {
      font-size: var(--font-size-xl);
    }
    
    .hero-badge {
      font-size: var(--font-size-xs);
      padding: var(--space-xs) var(--space-sm);
    }
    
    .newsletter-card,
    .audience-card,
    .content-card,
    .philosophy-card {
      padding: var(--space-md);
    }
    
    .footer-links {
      flex-direction: column;
      gap: var(--space-sm);
    }
    
    .author-image {
      width: 60px;
      height: 60px;
    }
    
    .author-badge {
      width: 24px;
      height: 24px;
      font-size: var(--font-size-xs);
    }
    
    .content-item {
      flex-direction: column;
      gap: var(--space-sm);
    }
    
    .point {
      flex-direction: column;
      gap: var(--space-xs);
      text-align: center;
    }
  }
  
  /* ===== ACCESSIBILITY ===== */
  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
    
    .scroll-indicator,
    .floating-element,
    .floating-dot {
      animation: none;
    }
  }
  
  /* ===== FOCUS STYLES ===== */
  a:focus,
  button:focus,
  iframe:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
  }
  
  /* ===== SELECTION STYLES ===== */
  ::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
  }
  
  ::-moz-selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
  }
  
  /* ===== SCROLLBAR STYLES ===== */
  ::-webkit-scrollbar {
    width: 8px;
  }
  
  ::-webkit-scrollbar-track {
    background: var(--bg-secondary);
  }
  
  ::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: var(--radius-sm);
  }
  
  ::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
  }
  
  /* ===== UTILITIES ===== */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  
  .text-center {
    text-align: center;
  }
  
  .text-left {
    text-align: left;
  }
  
  .text-right {
    text-align: right;
  }
  
  .mb-0 { margin-bottom: 0 !important; }
  .mb-1 { margin-bottom: var(--space-xs) !important; }
  .mb-2 { margin-bottom: var(--space-sm) !important; }
  .mb-3 { margin-bottom: var(--space-md) !important; }
  .mb-4 { margin-bottom: var(--space-lg) !important; }
  .mb-5 { margin-bottom: var(--space-xl) !important; }
  
  .mt-0 { margin-top: 0 !important; }
  .mt-1 { margin-top: var(--space-xs) !important; }
  .mt-2 { margin-top: var(--space-sm) !important; }
  .mt-3 { margin-top: var(--space-md) !important; }
  .mt-4 { margin-top: var(--space-lg) !important; }
  .mt-5 { margin-top: var(--space-xl) !important; }