/* ==========================================================================
       VARIABLES Y PALETA DE COLORES (Zorro Theme)
       ========================================================================== */
    :root {
      --color-fox-primary: #E0562D;      
      --color-fox-hover: #C6431C;        
      --color-fox-light: #FFF2EE;        
      --color-fox-dark: #1E2022;         
      --color-fox-accent: #2C302E;       
      
      --color-bg-body: #FAFAFB;
      --color-card-bg: #FFFFFF;
      --color-card-hover: #D3D3D3;
      --color-text-main: #18191B;
      --color-text-muted: #64748B;
      --color-border: #E2E8F0;
      
      --font-main: 'Inter', system-ui, -apple-system, sans-serif;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 20px -2px rgba(224, 86, 45, 0.08), 0 2px 6px -1px rgba(0,0,0,0.04);
      --shadow-lg: 0 20px 40px -15px rgba(30, 32, 34, 0.12);
      
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      
      --transition-fast: 0.2s ease;
      --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    body {
      font-family: var(--font-main);
      background-color: var(--color-bg-body);
      color: var(--color-text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    /* ==========================================================================
       HEADER & NAVEGACIÓN
       ========================================================================== */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.75);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--color-border);
    }

    .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 1.25rem 1.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 0.4rem;
      text-decoration: none;
      color: var(--color-fox-dark);
      font-weight: 800;
      font-size: 1.5rem;
      letter-spacing: -0.5px;
    }

    .brand-logo svg {
      width: 34px;
      height: 34px;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    /* ==========================================================================
       SELECTORES E ICONOS MINIMALISTAS
       ========================================================================== */
    .lang-dropdown-container {
      position: relative;
      display: inline-block;
    }

    .lang-trigger-btn,
    .user-trigger-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--color-border);
      background-color: transparent;
      color: var(--color-fox-dark);
      cursor: pointer;
      transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    }

    .lang-trigger-btn:hover,
    .user-trigger-btn:hover {
      background-color: var(--color-card-hover);
      transform: scale(0.95);
      color: var(--color-fox-primary);
    }

    .lang-trigger-btn svg,
    .user-trigger-btn svg {
      width: 20px;
      height: 20px;
      fill: currentColor;
    }

    .lang-menu {
      position: absolute;
      right: 0;
      top: calc(100% + 8px);
      background-color: var(--color-card-bg);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-md);
      min-width: 140px;
      display: none;
      z-index: 200;
      overflow: hidden;
      animation: fadeIn 0.2s ease;
    }

    .lang-menu.active {
      display: block;
    }

    .lang-option {
      width: 100%;
      padding: 0.65rem 1rem;
      background: none;
      border: none;
      text-align: left;
      font-family: inherit;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--color-text-main);
      cursor: pointer;
      transition: background-color var(--transition-fast), color var(--transition-fast);
    }

    .lang-option:hover {
      background-color: var(--color-card-hover);
    }

    .lang-option.active {
      font-weight: 700;
      color: var(--color-fox-primary);
      background-color: var(--color-fox-light);
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(-4px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* ==========================================================================
       BOTONES Y ELEMENTOS INTERACTIVOS (Con efecto Shrink)
       ========================================================================== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s ease, border-color 0.2s ease;
      text-decoration: none;
      gap: 0.5rem;
    }

    .btn-primary {
      background-color: var(--color-fox-primary);
      padding: 0.75rem 1.5rem;
      color: #ffffff;
    }

    .btn-primary:hover {
      background-color: var(--color-fox-hover);
      transform: scale(0.95);
    }

    .btn-outline {
      background-color: var(--color-card-bg);
      padding: 0.75rem 1.5rem;
      border-color: var(--color-border);
      color: var(--color-text-main);
    }

    .btn-outline:hover {
      background-color: var(--color-card-hover);
      transform: scale(0.95);
    }

    /* ==========================================================================
       HERO SECTION
       ========================================================================== */
    .hero {
      padding: 5rem 1.5rem 4rem;
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 4rem;
      align-items: center;
    }

    .hero-title {
      font-size: 3.25rem;
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -1.5px;
      color: var(--color-fox-dark);
      margin-bottom: 1.25rem;
    }

    .hero-title span {
      color: var(--color-fox-primary);
    }

    .hero-description {
      font-size: 1.15rem;
      color: var(--color-text-muted);
      margin-bottom: 2rem;
      max-width: 540px;
    }

    .hero-cta {
      display: flex;
      gap: 1rem;
      align-items: center;
    }

    .hero-preview {
      background-color: var(--color-card-bg);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--color-border);
    }

    .preview-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 1rem;
      margin-bottom: 1.5rem;
      border-bottom: 1px solid var(--color-border);
    }

    .preview-user {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--color-fox-dark);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }

    .metric-card {
      background-color: var(--color-bg-body);
      padding: 1rem;
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border);
    }

    .metric-label {
      font-size: 0.75rem;
      text-transform: uppercase;
      font-weight: 700;
      color: var(--color-text-muted);
      letter-spacing: 0.5px;
    }

    .metric-value {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--color-fox-dark);
      margin-top: 0.25rem;
    }

    .status-pill {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      margin-right: 0.35rem;
    }
    .status-pill.good { background-color: #10B981; }
    .status-pill.warn { background-color: #F59E0B; }

    /* ==========================================================================
       SECCIÓN DE CARACTERÍSTICAS
       ========================================================================== */
    .features {
      padding: 6rem 1.5rem;
      max-width: 1200px;
      margin: 0 auto;
    }

    .section-header {
      text-align: center;
      max-width: 650px;
      margin: 0 auto 4rem;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--color-fox-dark);
      letter-spacing: -0.5px;
      margin-bottom: 0.75rem;
    }

    .section-subtitle {
      color: var(--color-text-muted);
      font-size: 1.05rem;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }

    .feature-card {
      background-color: var(--color-card-bg);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 2rem;
      transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(224, 86, 45, 0.2);
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      background-color: var(--color-fox-light);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-fox-primary);
      margin-bottom: 1.25rem;
    }

    .feature-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--color-fox-dark);
      margin-bottom: 0.5rem;
    }

    .feature-text {
      color: var(--color-text-muted);
      font-size: 0.95rem;
    }

    /* ==========================================================================
       MODAL DE AUTENTICACIÓN
       ========================================================================== */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background-color: rgba(30, 32, 34, 0.6);
      backdrop-filter: blur(4px);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1000;
      opacity: 0;
      pointer-events: none;
      transition: opacity var(--transition-fast);
      padding: 1rem;
    }

    .modal-overlay.active {
      opacity: 1;
      pointer-events: auto;
    }

    .modal-card {
      background-color: var(--color-card-bg);
      border-radius: var(--radius-lg);
      width: 100%;
      max-width: 420px;
      padding: 2.5rem;
      box-shadow: var(--shadow-lg);
      transform: scale(0.95);
      transition: transform var(--transition-normal);
      position: relative;
    }

    .modal-overlay.active .modal-card {
      transform: scale(1);
    }

    .modal-close {
      position: absolute;
      top: 1.25rem;
      right: 1.25rem;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--color-text-muted);
      cursor: pointer;
    }

    .auth-tabs {
      display: flex;
      border-bottom: 1px solid var(--color-border);
      margin-bottom: 1.5rem;
    }

    .auth-tab {
      flex: 1;
      padding: 0.75rem;
      background: none;
      border: none;
      font-weight: 600;
      color: var(--color-text-muted);
      cursor: pointer;
      border-bottom: 2px solid transparent;
    }

    .auth-tab.active {
      color: var(--color-fox-primary);
      border-bottom-color: var(--color-fox-primary);
    }

    .form-group {
      margin-bottom: 1.25rem;
    }

    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--color-fox-dark);
      margin-bottom: 0.4rem;
    }

    .form-input {
      width: 100%;
      padding: 0.75rem 1rem;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-family: inherit;
      font-size: 0.95rem;
      outline: none;
      transition: border-color var(--transition-fast);
    }

    .form-input:focus {
      border-color: var(--color-fox-primary);
      box-shadow: 0 0 0 3px rgba(224, 86, 45, 0.1);
    }

    footer {
      border-top: 1px solid var(--color-border);
      padding: 3rem 1.5rem;
      text-align: center;
      color: var(--color-text-muted);
      font-size: 0.9rem;
      background-color: var(--color-card-bg);
    }

    @media (max-width: 992px) {
      .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
        padding-top: 3rem;
      }
      .hero-description {
        margin-left: auto;
        margin-right: auto;
      }
      .hero-cta {
        justify-content: center;
      }
      .features-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 2.25rem;
      }
      .features-grid {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .nav-actions {
        gap: 0.4rem;
      }
      .btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
      }
    }