/* ---- WALFTECH CSS - ULTRA MODERN REDESIGN V2 ---- */

/* 1. Variables y Estilos Globales */
:root {
  --background-start: #0a0112;
  --background-end: #1a0f29;
  --surface-color: rgba(26, 15, 41, 0.5);
  --primary-purple: #9333ea;
  --primary-purple-hover: #a855f7;
  --neon-glow: rgba(147, 51, 234, 0.5);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --border-color: rgba(147, 51, 234, 0.2);
  --border-radius-md: 12px;
  --border-radius-sm: 8px;
  --font-family: 'Inter', sans-serif;
  --transition-speed: 0.3s;
}

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

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  background: linear-gradient(145deg, var(--background-start) 0%, var(--background-end) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container { 
  max-width: 850px; 
  margin: 0 auto; 
  padding: 0 2rem; 
}

/* 2. Cabecera y Navegación */
.header { 
  background: rgba(10, 1, 18, 0.6);
  border-bottom: 1px solid var(--border-color); 
  padding: 1rem 0;
  position: sticky; 
  top: 0; 
  z-index: 1000; 
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.header .container { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
}

.logo { 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    text-decoration: none; 
    color: var(--text-primary); 
    font-weight: 500; 
    font-size: 1.25rem; 
}
.logo img { 
  height: 35px; 
}

/* Diseño del menú de escritorio */
.nav-menu ul { 
    list-style: none; 
    display: flex; 
    align-items: center;
    gap: 0.5rem;
}
.nav-menu a { 
    text-decoration: none; 
    color: var(--text-secondary); 
    font-weight: 500; 
    padding: 0.5rem 1rem;
    border-radius: 999px;
    transition: all var(--transition-speed) ease; 
}
.nav-menu a:hover { 
    color: var(--text-primary); 
    background-color: var(--surface-color);
}

/* Botón de llamada a la acción "Premium" */
.nav-menu a.cta-button {
    background-color: var(--primary-purple);
    color: var(--text-primary);
}
.nav-menu a.cta-button:hover {
    background-color: var(--primary-purple-hover);
    box-shadow: 0 0 15px var(--neon-glow);
    transform: scale(1.05);
}

/* Estilos del ícono de menú móvil (Hamburguesa) */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 2000;
    position: relative;
}
.mobile-menu-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 10px;
    transition: all 0.3s ease-in-out;
}
.mobile-menu-toggle.is-open .bar:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}
.mobile-menu-toggle.is-open .bar:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle.is-open .bar:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

/* 3. Contenido Principal */
.main-content { 
  text-align: center; 
  padding: 6rem 0; 
}
.main-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #e0e0e0 0%, #ffffff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}
.subtitle { 
    color: var(--text-secondary); 
    font-size: 1.2rem; 
    max-width: 600px; 
    margin: 0 auto 3rem auto; 
    line-height: 1.7;
}

.input-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.input-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.input-icon {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.custom-input { 
    width: 100%; 
    padding: 1rem 1rem 1rem 3rem; 
    font-size: 1rem; 
    background-color: var(--surface-color); 
    border: 1px solid var(--border-color); 
    border-radius: var(--border-radius-sm); 
    color: var(--text-primary); 
    transition: all var(--transition-speed) ease;
}
.custom-input:focus { 
    outline: none; 
    border-color: var(--primary-purple); 
    box-shadow: 0 0 15px var(--neon-glow);
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.custom-button { 
    padding: 0.8rem 1.5rem; 
    font-size: 1rem; 
    font-weight: 500; 
    color: var(--text-primary); 
    background-color: var(--surface-color); 
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm); 
    cursor: pointer; 
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.custom-button:hover { 
    background-color: var(--primary-purple);
    border-color: var(--primary-purple);
    transform: translateY(-3px);
    box-shadow: 0 4px 20px var(--neon-glow);
}
.custom-button.primary {
    background-color: var(--primary-purple);
    border-color: var(--primary-purple);
}
.custom-button.primary:hover {
    background-color: var(--primary-purple-hover);
    border-color: var(--primary-purple-hover);
}
.custom-button:disabled { 
    background-color: #333; 
    color: #777;
    cursor: not-allowed; 
    transform: none;
    box-shadow: none;
    border-color: #444;
}

/* 4. Changelog */
.changelog-container { 
  margin-top: 3rem; 
  background: var(--surface-color); 
  border-radius: var(--border-radius-md); 
  border: 1px solid var(--border-color); 
  overflow: hidden; 
  backdrop-filter: blur(5px);
}
.changelog-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  padding: 1rem 1.5rem; 
  background: rgba(147, 51, 234, 0.1); 
  border-bottom: 1px solid var(--border-color); 
}
.changelog-header h2 { 
    font-size: 1.25rem; 
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}
.changelog-version { 
    background: var(--primary-purple); 
    color: white; 
    padding: 0.3rem 0.8rem; 
    border-radius: 50px; 
    font-size: 0.8rem; 
    font-weight: 600; 
}
.changelog-content { 
  padding: 1rem; 
}
.changelog-entry { 
    display: flex; 
    align-items: center; 
    gap: 15px; 
    padding: 1rem; 
    border-radius: var(--border-radius-sm);
    margin-bottom: 0.5rem;
    transition: background-color var(--transition-speed) ease;
}
.changelog-entry:last-child { 
  margin-bottom: 0; 
}
.changelog-entry:hover { 
  background-color: rgba(147, 51, 234, 0.1); 
}
.changelog-badge {
    flex-shrink: 0;
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #fff;
}
.changelog-badge.new { background-color: #22c55e; }
.changelog-badge.feature { background-color: #3b82f6; }
.changelog-badge.update { background-color: #f97316; }
.changelog-text { 
  color: var(--text-secondary); 
}

/* 5. Footer */
.site-footer { 
    border-top: 1px solid var(--border-color); 
    margin-top: 6rem; 
    padding: 3rem 0;
    background: var(--background-start);
}
.footer-content { 
    display: flex; 
    justify-content: space-between; 
    align-items: flex-start; 
    flex-wrap: wrap; 
    gap: 2.5rem;
    padding-bottom: 2rem; 
}
.footer-about {
    flex: 2;
    min-width: 300px;
}
.footer-about h3 { 
  font-size: 1.5rem; 
}
.footer-about p { 
    color: var(--text-secondary); 
    margin-top: 1rem;
    line-height: 1.7;
}
.footer-social {
    flex: 1;
    min-width: 200px;
    text-align: right;
}
.footer-social h4 { 
  font-size: 1.1rem; 
  font-weight: 500; 
  margin-bottom: 1rem; 
}
.social-icons { 
  display: flex; 
  gap: 1rem; 
  justify-content: flex-end; 
}
.social-icons a { 
  display: flex; 
  justify-content: center; 
  align-items: center; 
  width: 40px; 
  height: 40px; 
  background-color: var(--surface-color); 
  border: 1px solid var(--border-color); 
  color: var(--text-primary); 
  border-radius: 50%; 
  text-decoration: none; 
  font-size: 1.1rem; 
  transition: all var(--transition-speed) ease; 
}
.social-icons a:hover { 
  background-color: var(--primary-purple); 
  border-color: var(--primary-purple); 
  color: #fff; 
  transform: scale(1.1); 
}
.footer-bottom { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  flex-wrap: wrap; 
  gap: 1rem; 
  padding-top: 1.5rem; 
  font-size: 0.9rem; 
  color: var(--text-secondary); 
  border-top: 1px solid var(--border-color); 
}
.footer-links { 
  display: flex; 
  gap: 1.5rem; 
}
.footer-links a { 
  color: var(--text-secondary); 
  text-decoration: none; 
  transition: color var(--transition-speed) ease; 
}
.footer-links a:hover { 
  color: var(--primary-purple); 
}

/* 6. Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 1, 18, 0.8);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
}
.modal-content {
    background: var(--background-end);
    padding: 2.5rem;
    border-radius: var(--border-radius-md);
    max-width: 500px;
    width: 90%;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    text-align: center;
    animation: fadeIn 0.3s ease-out;
}
.modal-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}
.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}
.modal-content a {
    color: var(--primary-purple-hover);
    text-decoration: none;
    font-weight: 500;
}
.modal-close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 1.5rem;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}
.modal-close:hover {
    color: var(--text-primary);
    transform: rotate(90deg);
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* 7. Responsividad */
@media (max-width: 768px) {
    .main-title { 
      font-size: 2.5rem; 
    }
    
    .mobile-menu-toggle { 
      display: flex; 
    }

    /* Menú móvil como overlay */
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(10, 1, 18, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 1500;
    }
    .nav-menu.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: all;
    }
    
    .nav-menu ul {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        height: 100%;
        gap: 2rem;
    }

    .nav-menu a {
        font-size: 1.5rem;
        color: var(--text-primary);
        padding: 0.75rem 1.5rem;
    }

    /* Footer en móviles */
    .footer-content, .footer-bottom { 
        flex-direction: column; 
        text-align: center; 
        align-items: center; 
    }
    .footer-social { 
      text-align: center; 
    }
    .social-icons { 
      justify-content: center; 
    }
}

/* ============================================= */
/* WALFTECH - ANTI-ADBLOCK STYLES                */
/* ============================================= */

.adblock-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 12, 29, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.adblock-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

.adblock-modal {
    background: var(--surface-glass, rgba(26, 25, 48, 0.7));
    border: 1px solid var(--border-color, rgba(168, 85, 247, 0.2));
    border-radius: var(--radius-md, 16px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    padding: 3rem;
    width: 90%;
    max-width: 550px;
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.adblock-overlay.is-visible .adblock-modal {
    transform: scale(1);
}

.adblock-icon {
    font-size: 4rem;
    line-height: 1;
    margin-bottom: 1.5rem;
    animation: bounce 1.5s infinite;
}

.adblock-modal h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary, #f3f4f6);
    margin-bottom: 1rem;
}

.adblock-modal p {
    color: var(--text-secondary, #a0a5b6);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.adblock-modal p:last-of-type {
    margin-bottom: 0;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}