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

:root {
    --deep-black: #000000;
    --charcoal: #0a0a0a;
    --dark-concrete: #121212;
    --medium-concrete: #1a1a1a;
    --light-concrete: #252525;
    --text-primary: #e8e8e8;
    --text-secondary: #a8a8a8;
    --accent-violet: #3a2a5a;
    --accent-violet-neon: #9d4edd;
    --accent-cyan: #2a5a6a;
    --accent-green: #39ff14;
    --accent-red: #ff2a2a;
    --border-subtle: rgba(40, 40, 50, 0.7);
    --glow-subtle: rgba(42, 90, 106, 0.15);
}

/* Skip link accesible */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #3a2a5a;
    color: white;
    padding: 8px 16px;
    z-index: 1000;
    font-family: 'Exo 2', sans-serif;
    text-decoration: none;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

body {
    background: var(--deep-black);
    font-family: 'Exo 2', sans-serif;
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Fondo */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(18, 18, 18, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(42, 90, 106, 0.03) 0%, transparent 25%),
        var(--charcoal);
    z-index: -1;
}

/* Partículas - optimizado para móvil */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.2;
    display: none;
}

@media (min-width: 769px) {
    .particles {
        display: block;
    }
}

.particle {
    position: absolute;
    width: 1px;
    height: 1px;
    background: var(--text-secondary);
    border-radius: 50%;
    opacity: 0.1;
    animation: industrial-drift 45s infinite linear;
}

@keyframes industrial-drift {
    0% { transform: translateY(0) translateX(0) rotate(0deg); opacity: 0.05; }
    25% { transform: translateY(-20px) translateX(15px) rotate(90deg); opacity: 0.08; }
    50% { transform: translateY(-40px) translateX(0) rotate(180deg); opacity: 0.03; }
    75% { transform: translateY(-20px) translateX(-15px) rotate(270deg); opacity: 0.07; }
    100% { transform: translateY(0) translateX(0) rotate(360deg); opacity: 0.05; }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
}

/* Header con Logo SVG - OPTIMIZADO MÓVIL */
.header-cyber {
    text-align: center;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

/* Logo SVG Container - RESPONSIVE */
.logo-svg-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0 auto 1rem;
    animation: industrial-fade 8s ease-in-out infinite;
    padding: 0 0.5rem;
}

.logo-svg-container svg {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 0 8px rgba(57, 255, 20, 0.4));
}

/* Efecto hover glitch para el SVG */
.logo-svg-container:hover svg {
    animation: glitch-anim 0.3s linear infinite;
}

@keyframes glitch-anim {
    0%, 100% { transform: translateX(0); }
    2% { transform: translateX(-1px); }
    4% { transform: translateX(1px); }
    6% { transform: translateX(-1px); }
    8% { transform: translateX(0); }
}

/* Fallback para logo glitch (si SVG no carga) */
.logo-glitch {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    position: relative;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.95;
    line-height: 1;
    animation: industrial-fade 8s ease-in-out infinite;
}

.subtitle-glitch {
    font-family: 'Exo 2', sans-serif;
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 0.5rem;
    font-weight: 300;
    opacity: 0.85;
}

.divider {
    width: 60px;
    height: 1px;
    background: var(--accent-green);
    margin: 1rem auto 0.6rem;
    position: relative;
    opacity: 0.6;
}

/* Grid principal - MOBILE FIRST */
.main-grid {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: 1.2rem;
    margin-bottom: 1.5rem;
}

/* Evento principal - OPTIMIZADO MÓVIL */
.event-announcement {
    background: var(--dark-concrete);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 1.2rem;
    position: relative;
    overflow: hidden;
}

.event-announcement h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    color: var(--text-primary);
    text-transform: uppercase;
    margin-bottom: 0.7rem;
    letter-spacing: 1.5px;
    text-align: center;
    opacity: 0.95;
    font-weight: 600;
    line-height: 1.2;
}

.event-meta {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    margin: 0.8rem 0;
    flex-wrap: wrap;
}

.meta-item {
    background: rgba(255, 42, 42, 0.12);
    padding: 0.35rem 0.7rem;
    border-radius: 16px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--accent-red);
    border: 1px solid rgba(255, 42, 42, 0.35);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
}

.meta-item:hover {
    transform: translateY(-1px);
    background: rgba(255, 42, 42, 0.2);
    border-color: var(--accent-red);
}

.meta-item span:first-child {
    font-size: 0.9rem;
}

.featured-dj {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.6rem;
    color: var(--accent-green);
    text-align: center;
    margin: 0.9rem 0 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    font-weight: 700;
    line-height: 1.1;
}

.featured-dj::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: var(--accent-green);
    opacity: 0.7;
}

.event-description {
    background: rgba(25, 25, 35, 0.7);
    padding: 1rem;
    border-radius: 6px;
    margin: 1rem 0;
    border-left: 2px solid var(--accent-violet);
    border: 1px solid var(--border-subtle);
    line-height: 1.6;
    font-size: 0.85rem;
    color: var(--text-secondary);
    opacity: 0.92;
    text-align: center;
    font-weight: 300;
}

.event-date {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 600;
    text-align: center;
    margin: 0.8rem 0;
    opacity: 0.95;
    letter-spacing: 0.8px;
}

.event-location {
    font-size: 0.95rem;
    color: var(--accent-green);
    text-align: center;
    margin-bottom: 1rem;
    opacity: 0.9;
    font-weight: 500;
    letter-spacing: 0.6px;
}

/* Countdown - OPTIMIZADO MÓVIL */
.countdown-inside {
    background: var(--medium-concrete);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 1rem;
    margin: 1.2rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.countdown-inside::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-green);
    opacity: 0.4;
}

.countdown-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.85;
    font-weight: 500;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

.countdown-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.4rem;
}

.countdown-item {
    background: rgba(30, 30, 40, 0.8);
    padding: 0.6rem 0.3rem;
    border-radius: 6px;
    border: 1px solid var(--border-subtle);
    min-width: 50px;
    transition: all 0.3s ease;
}

.countdown-item:hover {
    transform: translateY(-1px);
    border-color: var(--accent-green);
    background: rgba(35, 45, 55, 0.9);
}

.countdown-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4rem;
    color: var(--accent-green);
    font-weight: 600;
    display: block;
    margin-bottom: 0.2rem;
    letter-spacing: -0.5px;
}

.countdown-label {
    font-size: 0.6rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    font-weight: 500;
    opacity: 0.8;
    font-family: 'Exo 2', sans-serif;
}

/* Tabs - OPTIMIZADO MÓVIL */
.tabs-container {
    margin: 1.2rem 0;
    background: var(--dark-concrete);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
}

.tabs-header {
    display: flex;
    background: rgba(20, 20, 30, 0.9);
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

.tabs-header::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 0.8rem 1rem;
    color: var(--text-secondary);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    position: relative;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    white-space: nowrap;
    min-width: 100px;
    justify-content: center;
    flex: 1;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(30, 30, 40, 0.5);
}

.tab-btn.active {
    color: var(--text-primary);
    font-weight: 600;
}

.tab-icon {
    font-size: 1.1rem;
    min-width: 18px;
    text-align: center;
}

.tab-text {
    font-size: 0.75rem;
}

.tab-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--accent-green);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    border-radius: 2px 2px 0 0;
    box-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}

.tabs-content {
    padding: 1rem;
    min-height: 150px;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-section {
    font-family: 'Exo 2', sans-serif;
}

.tab-item {
    background: rgba(30, 30, 40, 0.7);
    border-radius: 6px;
    padding: 0.8rem;
    margin-bottom: 0.9rem;
    border-left: 2px solid var(--accent-violet);
    border: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
}

.tab-item:hover {
    transform: translateX(2px);
    border-color: var(--accent-violet-neon);
    background: rgba(35, 35, 45, 0.85);
}

.tab-item-title {
    font-family: 'Exo 2', sans-serif;
    font-size: 0.9rem;
    color: var(--accent-green);
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    letter-spacing: 0.3px;
}

.tab-item-title::before {
    content: '·';
    font-size: 1.2rem;
    margin-left: -0.3rem;
}

.tab-item-text {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    opacity: 0.9;
    font-weight: 300;
}

.tab-item.guaranteed .tab-item-text {
    background: rgba(57, 255, 20, 0.12);
    padding: 0.6rem;
    border-radius: 4px;
}

.tab-warning {
    background: rgba(58, 42, 90, 0.15);
    border: 1px solid var(--accent-violet);
    border-radius: 6px;
    padding: 0.7rem;
    margin-top: 0.7rem;
    border-left: 2px solid var(--accent-violet);
}

.tab-warning p {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.82rem;
    line-height: 1.5;
    opacity: 0.92;
    font-family: 'Exo 2', sans-serif;
    padding-left: 0.4rem;
}

.warning-section {
    padding: 0;
}

.warning-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.65;
    opacity: 0.9;
    font-weight: 300;
    margin: 0;
}

.faq-item-tab {
    margin-bottom: 0.9rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--border-subtle);
}

.faq-item-tab:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.faq-question-tab {
    font-family: 'Exo 2', sans-serif;
    font-size: 0.85rem;
    color: var(--accent-green);
    font-weight: 600;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    letter-spacing: 0.3px;
}

.faq-question-tab::before {
    content: '·';
    font-size: 1.2rem;
    margin-left: -0.3rem;
}

.faq-answer-tab {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    opacity: 0.88;
    padding-left: 1.1rem;
    font-weight: 300;
}

/* Section title - OPTIMIZADO MÓVIL */
.section-title {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin-bottom: 1rem;
    justify-content: space-between;
    flex-wrap: wrap;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.section-title > div {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.title-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    color: var(--accent-violet-neon);
    font-weight: 600;
    opacity: 0.95;
    min-width: 20px;
    text-align: center;
    text-shadow: 0 0 6px rgba(157, 78, 221, 0.4);
}

.section-title h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding-left: 12px;
    opacity: 0.95;
    font-weight: 600;
    display: inline-block;
    white-space: nowrap;
}

.section-title h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: var(--accent-violet-neon);
    border-radius: 50%;
    box-shadow: 0 0 5px rgba(157, 78, 221, 0.5);
    opacity: 0.9;
}

.badge-exclusive-red {
    background: rgba(255, 42, 42, 0.15);
    color: var(--accent-red);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.45rem 0.9rem;
    border-radius: 20px;
    border: 1px solid var(--accent-red);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.3s ease;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    white-space: nowrap;
    font-family: 'Exo 2', sans-serif;
}

.badge-exclusive-red:hover {
    transform: translateX(2px);
    background: rgba(255, 42, 42, 0.25);
    border-color: var(--accent-red);
    box-shadow: 0 0 12px rgba(255, 42, 42, 0.3);
}

.badge-exclusive-red::before {
    content: '';
}

/* Formulario - OPTIMIZADO MÓVIL */
.access-card {
    background: var(--dark-concrete);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 1.2rem;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 1.2rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid var(--border-subtle);
}

.terminal-indicator {
    width: 6px;
    height: 6px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 5px rgba(57, 255, 20, 0.3);
}

.card-header span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-family: 'Exo 2', sans-serif;
}

.requirement-badge {
    background: rgba(57, 255, 20, 0.1);
    border: 1px solid var(--accent-green);
    border-radius: 20px;
    padding: 0.6rem 1.2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 1.2rem;
    font-family: 'Exo 2', sans-serif;
    font-weight: 500;
    letter-spacing: 0.3px;
    font-size: 0.85rem;
}

.badge-icon {
    font-size: 1rem;
}

.requirement-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

.instagram-handle {
    color: var(--accent-green);
    font-weight: 600;
}

.instagram-btn {
    background: var(--medium-concrete);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    padding: 0.85rem 1.4rem;
    font-family: 'Exo 2', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    margin-bottom: 1.4rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.instagram-btn:hover {
    transform: translateY(-1px);
    border-color: var(--accent-green);
    background: rgba(40, 50, 60, 0.9);
    color: var(--accent-green);
}

.instagram-btn.followed {
    background: rgba(57, 255, 20, 0.15);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.btn-icon {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.instagram-btn:hover .btn-icon {
    transform: translateX(2px);
}

.access-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    text-transform: uppercase;
    font-family: 'Exo 2', sans-serif;
}

.label-number {
    font-family: 'Orbitron', sans-serif;
    color: var(--accent-violet-neon);
    font-size: 0.75rem;
    min-width: 20px;
    text-shadow: 0 0 5px rgba(157, 78, 221, 0.3);
}

.cyber-input {
    background: var(--medium-concrete);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 0.85rem;
    color: var(--text-primary);
    font-family: 'Exo 2', sans-serif;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    width: 100%;
    opacity: 0.95;
    font-weight: 300;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.cyber-input:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 2px rgba(57, 255, 20, 0.2);
    opacity: 1;
    background: rgba(35, 35, 45, 0.95);
}

.cyber-input::placeholder {
    color: rgba(168, 168, 168, 0.5);
    font-weight: 300;
    opacity: 0.7;
}

/* Checkbox Newsletter - OPTIMIZADO MÓVIL */
.newsletter-optin {
    margin-top: 0.7rem;
    padding-top: 0.7rem;
    border-top: 1px solid var(--border-subtle);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    padding: 0.9rem;
    background: rgba(30, 30, 40, 0.5);
    border-radius: 6px;
    border: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
}

.checkbox-label:hover {
    background: rgba(35, 35, 45, 0.7);
    border-color: var(--accent-violet-neon);
    transform: translateX(2px);
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-subtle);
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-custom::after {
    content: '✓';
    position: absolute;
    color: var(--accent-green);
    font-size: 1.2rem;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s ease;
}

input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

input[type="checkbox"]:checked + .checkbox-custom {
    background: rgba(57, 255, 20, 0.15);
    border-color: var(--accent-green);
    box-shadow: 0 0 8px rgba(57, 255, 20, 0.3);
}

input[type="checkbox"]:checked + .checkbox-custom::after {
    opacity: 1;
    transform: scale(1);
}

.checkbox-text {
    font-family: 'Exo 2', sans-serif;
    font-size: 0.87rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.2px;
    line-height: 1.5;
}

input[type="checkbox"]:checked ~ .checkbox-text {
    color: var(--accent-green);
    font-weight: 500;
}

/* Submit button con loading state - OPTIMIZADO MÓVIL */
.submit-btn {
    background: var(--medium-concrete);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    padding: 1.1rem 1.6rem;
    font-family: 'Exo 2', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    margin-top: 0.5rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-transform: uppercase;
    letter-spacing: 1.1px;
    position: relative;
    overflow: hidden;
}

.submit-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(57, 255, 20, 0.1);
    transition: left 0.4s ease;
    z-index: -1;
}

.submit-btn:hover::after {
    left: 0;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.submit-btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
    transform: none;
    background: var(--medium-concrete);
    color: var(--text-secondary);
    border-color: var(--border-subtle);
}

.submit-btn:disabled .btn-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.spinner {
    width: 14px;
    height: 14px;
    border: 2px solid var(--text-secondary);
    border-top-color: var(--accent-green);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.btn-text {
    letter-spacing: 1.5px;
    font-size: 0.85rem;
}

.btn-arrow {
    font-size: 1.3rem;
    transition: transform 0.3s ease;
}

.submit-btn:hover:not(:disabled) .btn-arrow {
    transform: translateX(4px);
}

/* Sidebar - OPTIMIZADO MÓVIL */
.events-sidebar {
    margin-top: 0;
}

.event-badges {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

/* BADGES - VERDE PARA ACCESO ABIERTO, ROJO PARA BLACKLIST ONLY */
.badge-public {
    background: rgba(57, 255, 20, 0.15);
    color: var(--accent-green);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(57, 255, 20, 0.6);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    width: fit-content;
    transition: all 0.4s ease;
    letter-spacing: 0.4px;
    font-family: 'Exo 2', sans-serif;
    box-shadow: 0 0 10px rgba(57, 255, 20, 0.2);
}

.badge-public:hover {
    transform: translateX(2px);
    background: rgba(57, 255, 20, 0.25);
    border-color: var(--accent-green);
    box-shadow: 0 0 15px rgba(57, 255, 20, 0.3);
}

.badge-exclusive {
    background: rgba(255, 42, 42, 0.15);
    color: var(--accent-red);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 42, 42, 0.5);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    width: fit-content;
    transition: all 0.4s ease;
    letter-spacing: 0.4px;
    font-family: 'Exo 2', sans-serif;
    box-shadow: 0 0 8px rgba(255, 42, 42, 0.2);
}

.badge-exclusive:hover {
    transform: translateX(2px);
    background: rgba(255, 42, 42, 0.25);
    border-color: var(--accent-red);
    box-shadow: 0 0 12px rgba(255, 42, 42, 0.3);
}

.event-card-cyber {
    background: var(--dark-concrete);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 1.2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
    margin-bottom: 1.2rem;
}

.event-card-cyber::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-green);
    opacity: 0.3;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s ease;
    z-index: 1;
}

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

.event-card-cyber:hover {
    transform: translateY(-2px);
    border-color: var(--accent-green);
}

.event-header {
    margin-bottom: 1rem;
}

.event-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 600;
    line-height: 1.1;
}

.event-date-cyber {
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 1.2px;
    text-transform: uppercase;
    opacity: 0.85;
    font-weight: 500;
    font-family: 'Exo 2', sans-serif;
}

.event-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(25, 25, 35, 0.6);
    border-radius: 6px;
    border-left: 2px solid var(--accent-violet);
    border: 1px solid var(--border-subtle);
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding-left: 0.8rem;
    border-left: 1px solid var(--border-subtle);
}

.detail-icon {
    font-size: 1.2rem;
    min-width: 22px;
    opacity: 0.85;
    margin-top: 2px;
}

.detail-text {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.92;
    font-family: 'Exo 2', sans-serif;
    line-height: 1.5;
}

.event-features {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.feature-tag {
    background: rgba(35, 35, 45, 0.7);
    color: var(--text-secondary);
    font-size: 0.8rem;
    padding: 0.5rem 0.9rem;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    font-weight: 500;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
    font-family: 'Exo 2', sans-serif;
}

.feature-tag:hover {
    transform: translateY(-1px);
    background: rgba(45, 45, 55, 0.85);
    border-color: var(--accent-violet);
    color: var(--text-primary);
}

.event-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--medium-concrete);
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.85rem 1.6rem;
    border-radius: 6px;
    font-family: 'Exo 2', sans-serif;
    font-weight: 600;
    letter-spacing: 0.8px;
    width: 100%;
    justify-content: center;
    transition: all 0.3s ease;
    margin-top: 0.9rem;
    border: 1px solid var(--border-subtle);
    text-transform: uppercase;
    font-size: 0.82rem;
}

.event-link-btn:hover {
    transform: translateY(-1px);
    border-color: var(--accent-green);
    background: rgba(40, 50, 60, 0.95);
    color: var(--accent-green);
}

.link-arrow {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.event-link-btn:hover .link-arrow {
    transform: translateX(2px);
}

/* Estadísticas de visitas - OPTIMIZADO MÓVIL */
.stats-widget {
    background: var(--dark-concrete);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 1.2rem;
    margin: 1.5rem 0;
    position: relative;
    overflow: hidden;
}

.stats-widget::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-violet-neon), var(--accent-green));
    opacity: 0.7;
}

.stats-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 0.9rem;
    text-align: center;
    opacity: 0.8;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
}

.stat-item {
    text-align: center;
    padding: 0.8rem 0.4rem;
    background: rgba(30, 30, 40, 0.6);
    border-radius: 6px;
    border: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(57, 255, 20, 0.1), transparent);
    transition: left 0.5s ease;
}

.stat-item:hover::before {
    left: 100%;
}

.stat-item:hover {
    transform: translateY(-2px);
    border-color: var(--accent-green);
    background: rgba(35, 45, 55, 0.8);
}

.stat-label {
    font-family: 'Exo 2', sans-serif;
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 0.3rem;
    opacity: 0.85;
}

.stat-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    color: var(--accent-green);
    font-weight: 700;
    letter-spacing: 0.8px;
    text-shadow: 0 0 8px rgba(57, 255, 20, 0.3);
}

/* Bonus phrase - OPTIMIZADO MÓVIL */
.bonus-phrase {
    background: var(--dark-concrete);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.8rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    font-family: 'Exo 2', sans-serif;
}

.bonus-text {
    font-family: 'Exo 2', sans-serif;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
    position: relative;
    z-index: 1;
    opacity: 0.92;
    font-weight: 300;
    letter-spacing: -0.3px;
    padding: 0 0.5rem;
}

/* Footer - OPTIMIZADO MÓVIL */
.footer-cyber {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
}

.footer-divider {
    width: 80px;
    height: 1px;
    background: var(--accent-green);
    margin: 1.1rem auto;
    opacity: 0.5;
}

.footer-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
    margin: 0.8rem 0;
    font-weight: 400;
    text-transform: uppercase;
    opacity: 0.85;
    font-family: 'Exo 2', sans-serif;
}

.footer-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
    margin-top: 0.8rem;
    text-transform: uppercase;
    font-family: 'Exo 2', sans-serif;
    opacity: 0.7;
    font-weight: 300;
    line-height: 1.6;
}

/* Enlace de privacidad */
.privacy-link {
    color: var(--accent-green);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.privacy-link:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* Animaciones */
@keyframes industrial-fade {
    0%, 100% { opacity: 0.95; }
    50% { opacity: 1; }
}

/* TABLET (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
    .container {
        padding: 1.2rem;
    }
    
    .logo-glitch {
        font-size: 2.5rem;
        letter-spacing: 3px;
    }
    
    .subtitle-glitch {
        font-size: 0.9rem;
        letter-spacing: 2.5px;
    }
    
    .featured-dj {
        font-size: 2rem;
    }
    
    .countdown-number {
        font-size: 1.6rem;
    }
    
    .countdown-label {
        font-size: 0.65rem;
    }
    
    .event-announcement h3 {
        font-size: 1.5rem;
    }
    
    .section-title h2 {
        font-size: 1.3rem;
    }
    
    .tab-btn {
        padding: 0.9rem 1.1rem;
        font-size: 0.8rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .bonus-text {
        font-size: 1rem;
    }
}

/* DESKTOP (769px+) */
@media (min-width: 769px) {
    .container {
        padding: 2rem;
    }
    
    .logo-svg-container {
        max-width: 800px;
    }
    
    .logo-glitch {
        font-size: 4.8rem;
        letter-spacing: 6px;
    }
    
    .subtitle-glitch {
        font-size: 1.4rem;
        letter-spacing: 4px;
    }
    
    .main-grid {
        grid-template-columns: 700px 450px;
        grid-template-rows: auto auto;
        gap: 2.2rem;
        margin-bottom: 3.5rem;
    }
    
    .access-section-wrapper {
        grid-column: 1;
        grid-row: 2;
    }
    
    .events-sidebar {
        grid-column: 2;
        grid-row: 1 / span 2;
    }
    
    .countdown-container {
        display: flex;
        justify-content: center;
        gap: 0.7rem;
    }
    
    .countdown-item {
        min-width: 70px;
        padding: 0.75rem 0.95rem;
    }
    
    .countdown-number {
        font-size: 1.9rem;
    }
    
    .featured-dj {
        font-size: 3.1rem;
        letter-spacing: 4px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .stat-value {
        font-size: 1.8rem;
    }
    
    .event-link-btn {
        width: fit-content;
    }
    
    .tab-btn {
        min-width: 120px;
        padding: 0.9rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .event-announcement h3 {
        font-size: 1.6rem;
    }
    
    .section-title h2 {
        font-size: 1.45rem;
    }
}