/* Reset y variables */
:root {
    /* Colores principales Maxell */
    --primary-blue: #1a2238;
    --electric-blue: #00d4ff;
    --accent-electric: #4dd0e1;
    --dark-navy: #0f1419;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --success-green: #28a745;
    --error-red: #dc3545;
    --warning-orange: #ffc107;
    
    /* Gradientes */
    --primary-gradient: linear-gradient(135deg, var(--primary-blue), var(--dark-navy));
    --electric-gradient: linear-gradient(135deg, var(--electric-blue), var(--accent-electric));
    --hero-gradient: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-navy) 50%, #000815 100%);
    
    /* Tipografía */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Bordes */
    --border-radius: 8px;
    --border-radius-lg: 16px;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    
    /* Transiciones */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--primary-blue);
    background-color: white;
    overflow-x: hidden;
}

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

.hidden {
    display: none !important;
}

.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;
}

/* Botones base */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn:focus-visible {
    outline: 2px solid var(--electric-blue);
    outline-offset: 2px;
}

/* Header */
.header {
    background: var(--primary-gradient);
    padding: var(--spacing-sm) 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo h1 {
    color: white;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
    margin: 0;
}

.tagline {
    color: var(--electric-blue);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.2em;
    margin-left: var(--spacing-xs);
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--electric-blue);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.nav-link:hover::before {
    width: 100%;
}

/* Countdown en navegación */
.nav-item-countdown .nav-link {
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.nav-countdown {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    white-space: nowrap;
}

.countdown-mini {
    color: var(--electric-blue);
    font-weight: var(--font-weight-bold);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.countdown-icon {
    animation: tick 1s ease-in-out infinite;
}

@keyframes tick {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Video link en navegación */
.nav-video {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid rgba(220, 53, 69, 0.3);
    font-weight: var(--font-weight-bold);
}

.nav-video:hover {
    background: rgba(220, 53, 69, 0.3);
}

.nav-video.live-indicator {
    background: rgba(255, 0, 0, 0.3);
    border-color: rgba(255, 0, 0, 0.5);
    animation: pulse-live 1.5s ease-in-out infinite;
}

@keyframes pulse-live {
    0%, 100% {
        box-shadow: 0 0 5px rgba(255, 0, 0, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 0, 0, 0.8);
    }
}

.video-icon.live {
    animation: blink-live 1s ease-in-out infinite;
}

@keyframes blink-live {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Responsive Navigation */
@media (max-width: 1024px) {
    .nav-list {
        gap: var(--spacing-md);
    }
    
    .nav-link {
        font-size: 0.85rem;
        padding: var(--spacing-xs);
    }
    
    .nav-countdown {
        font-size: 0.75rem;
    }
}

@media (max-width: 768px) {
    .header-content {
        gap: var(--spacing-md);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-list {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-gradient);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        backdrop-filter: blur(10px);
    }
    
    .nav-list.nav-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: var(--spacing-md);
        border-radius: var(--border-radius);
        justify-content: center;
        background: rgba(255, 255, 255, 0.05);
        margin-bottom: var(--spacing-sm);
        font-size: 1rem;
    }
    
    .nav-link:last-child {
        margin-bottom: 0;
    }
    
    .nav-item-countdown .nav-link,
    .nav-video {
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .countdown-mini {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.3rem;
    }
    
    .tagline {
        font-size: 0.65rem;
    }
    
    .nav-countdown {
        flex-direction: column;
        text-align: center;
        gap: 2px;
    }
    
    .countdown-text {
        font-size: 0.7rem;
    }
}

/* Hero Section */
.hero {
    background: var(--hero-gradient);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(77, 208, 225, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.title-glow {
    color: var(--electric-blue);
    filter: drop-shadow(0 0 10px var(--electric-blue));
    animation: pulse-glow 2s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
    0% { 
        filter: drop-shadow(0 0 10px var(--electric-blue));
        transform: scale(1);
    }
    100% { 
        filter: drop-shadow(0 0 20px var(--electric-blue));
        transform: scale(1.1);
    }
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.cta-button {
    background: var(--electric-gradient);
    color: var(--primary-blue);
    font-size: 1.1rem;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-bold);
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-glow);
    transform: translateY(0);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.cta-button svg {
    transition: transform 0.3s ease;
}

.cta-button:hover svg {
    transform: translateY(3px);
}

/* Battery Visual */
.battery-container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.battery {
    position: relative;
    transform: scale(1.5);
}

.battery-body {
    width: 80px;
    height: 140px;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    border-radius: 8px 8px 4px 4px;
    position: relative;
    border: 3px solid var(--electric-blue);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.3),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.battery-positive {
    width: 20px;
    height: 8px;
    background: var(--electric-blue);
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 4px 4px 0 0;
}

.energy-waves {
    position: absolute;
    inset: 10px;
    background: linear-gradient(180deg, 
        rgba(0, 212, 255, 0.8) 0%, 
        rgba(77, 208, 225, 0.6) 50%, 
        rgba(0, 212, 255, 0.4) 100%);
    border-radius: 4px;
    overflow: hidden;
}

.wave {
    position: absolute;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
}

.wave-1 {
    top: 20%;
    animation: wave-flow 1.5s ease-in-out infinite;
}

.wave-2 {
    top: 50%;
    animation: wave-flow 1.5s ease-in-out infinite 0.3s;
}

.wave-3 {
    top: 80%;
    animation: wave-flow 1.5s ease-in-out infinite 0.6s;
}

@keyframes wave-flow {
    0%, 100% { 
        opacity: 0.3; 
        transform: scaleX(0.5);
    }
    50% { 
        opacity: 1; 
        transform: scaleX(1);
    }
}

.battery-label {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--electric-blue);
    font-weight: var(--font-weight-bold);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
}

/* Steps Section */
.steps-section {
    padding: var(--spacing-xxl) 0;
    background: var(--light-gray);
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: var(--font-weight-bold);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--electric-gradient);
    border-radius: 2px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.step {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--electric-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-glow);
}

.step h3 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.step p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* Explanation Section - Diseño realista de pilas */
.explanation-section {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.mockup-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

/* Demo principal de paquete de pilas */
.battery-pack-demo {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin: var(--spacing-xl) 0;
    justify-content: center;
}

/* Paquete de pilas realista */
.battery-package {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 3px solid var(--primary-blue);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    max-width: 280px;
    position: relative;
}

.package-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.package-header {
    text-align: center;
    border-bottom: 2px solid var(--electric-blue);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.brand-logo {
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-blue);
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.product-type {
    font-size: 0.9rem;
    color: var(--electric-blue);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.05em;
}

/* Pilas realistas */
.battery-display {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.battery-realistic {
    position: relative;
}

.battery-body-realistic {
    width: 45px;
    height: 120px;
    background: linear-gradient(180deg, 
        #c41e3a 0%, 
        #8b0000 15%, 
        #dc2626 25%, 
        #b91c1c 75%, 
        #7f1d1d 100%);
    border-radius: 8px 8px 3px 3px;
    position: relative;
    border: 2px solid #4a5568;
    box-shadow: 
        inset 0 2px 4px rgba(255, 255, 255, 0.3),
        0 4px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.battery-positive-terminal {
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 6px;
    background: #4a5568;
    border-radius: 2px 2px 0 0;
    border: 1px solid #2d3748;
}

.battery-label-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.battery-brand {
    font-size: 0.6rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
}

.battery-type {
    font-size: 0.5rem;
    opacity: 0.9;
}

.battery-voltage {
    font-size: 0.45rem;
    opacity: 0.8;
    margin-top: 2px;
}

.battery-negative-terminal {
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 2px;
    background: #2d3748;
    border-radius: 1px;
}

/* Sección QR realista */
.package-qr-section {
    background: white;
    border: 2px solid var(--electric-blue);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
}

.qr-label {
    font-size: 0.8rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
}

.qr-code-realistic {
    background: white;
    padding: var(--spacing-sm);
    border-radius: 4px;
    margin: var(--spacing-sm) 0;
    display: inline-block;
    border: 1px solid #dee2e6;
}

.qr-squares {
    display: grid;
    grid-template-rows: repeat(5, 1fr);
    gap: 1px;
    width: 50px;
    height: 50px;
}

.qr-row {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    height: 100%;
}

.qr-row span {
    background: var(--primary-blue);
    border-radius: 1px;
}

.qr-row span.empty {
    background: transparent;
}

.code-number {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-blue);
    background: var(--light-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    margin-top: var(--spacing-xs);
}

/* Información de participación */
.participation-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    background: rgba(0, 212, 255, 0.1);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 212, 255, 0.3);
    font-size: 0.8rem;
    color: var(--primary-blue);
    font-weight: var(--font-weight-medium);
}

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

/* Flecha de proceso */
.process-arrow {
    display: flex;
    justify-content: center;
    align-items: center;
}

.arrow-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.arrow-container svg {
    filter: drop-shadow(0 2px 4px rgba(0, 212, 255, 0.3));
    animation: pulse-arrow 2s ease-in-out infinite;
}

@keyframes pulse-arrow {
    0%, 100% { 
        opacity: 0.7; 
        transform: scale(1);
    }
    50% { 
        opacity: 1; 
        transform: scale(1.05);
    }
}

.arrow-text {
    font-size: 0.8rem;
    color: var(--electric-blue);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Resultado de números */
.numbers-result {
    background: white;
    border: 3px solid var(--success-green);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 0 20px rgba(40, 167, 69, 0.2);
    max-width: 260px;
    width: 100%;
    box-sizing: border-box;
}

.result-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.success-indicator {
    width: 40px;
    height: 40px;
    background: var(--success-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 0 15px rgba(40, 167, 69, 0.4);
}

.result-header h3 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin: 0;
    font-weight: var(--font-weight-bold);
}

.generated-numbers-demo {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin: var(--spacing-sm) 0;
    flex-wrap: wrap;
    padding: 0 var(--spacing-xs);
}

.number-card {
    background: var(--electric-gradient);
    color: white;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-bold);
    font-size: 1.1rem;
    min-width: 50px;
    text-align: center;
    box-shadow: var(--shadow-md);
    animation: number-glow 2s ease-in-out infinite alternate;
    flex: 0 0 auto;
}

@keyframes number-glow {
    0% {
        box-shadow: var(--shadow-md);
    }
    100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    }
}

.result-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    padding: 0 var(--spacing-xs);
}

.numbers-label {
    font-size: 0.85rem;
    color: var(--medium-gray);
    font-weight: var(--font-weight-medium);
    text-align: center;
    line-height: 1.3;
}

.ticket-icon {
    font-size: 1.2rem;
    opacity: 0.7;
}

/* Explicación mejorada y llamativa */
.explanation-enhanced {
    margin-top: var(--spacing-xxl);
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 50%, #f8f9fa 100%);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xxl) var(--spacing-lg);
    border: 2px solid rgba(0, 212, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

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

.explanation-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-bold);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.title-icon {
    color: var(--electric-blue);
    font-size: 0.8em;
    animation: pulse-icon 2s ease-in-out infinite alternate;
}

@keyframes pulse-icon {
    0% { 
        transform: scale(1) rotate(0deg); 
        filter: brightness(1);
    }
    100% { 
        transform: scale(1.2) rotate(5deg); 
        filter: brightness(1.3);
    }
}

.explanation-subtitle {
    color: var(--medium-gray);
    font-size: 1.1rem;
    font-weight: var(--font-weight-medium);
    margin: 0;
}

/* Pasos interactivos */
.interactive-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.step-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--electric-gradient);
    transform: scaleX(0);
    transition: transform 0.5s ease;
    transform-origin: left;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.3);
}

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

.step-find {
    border-left: 4px solid #ff6b35;
}

.step-scan {
    border-left: 4px solid var(--electric-blue);
}

.step-win {
    border-left: 4px solid var(--success-green);
}

.step-visual {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.step-icon-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.step-number-large {
    width: 50px;
    height: 50px;
    background: var(--electric-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
}

.step-icon {
    font-size: 1.5rem;
    opacity: 0.8;
}

.step-animation {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80px;
}

/* Animaciones específicas por paso */

/* Paso 1: Paquete */
.package-visual {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
}

.package-mini {
    width: 60px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-navy));
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.7rem;
    font-weight: var(--font-weight-bold);
    position: relative;
}

.qr-indicator {
    position: absolute;
    top: -10px;
    right: -15px;
    animation: bounce-qr 2s ease-in-out infinite;
}

.qr-mini {
    width: 20px;
    height: 20px;
    background: 
        linear-gradient(90deg, var(--primary-blue) 50%, transparent 50%),
        linear-gradient(0deg, var(--primary-blue) 50%, transparent 50%);
    background-size: 4px 4px;
    border: 1px solid var(--primary-blue);
    border-radius: 2px;
}

@keyframes bounce-qr {
    0%, 100% { 
        transform: translateY(0) scale(1); 
        opacity: 0.8;
    }
    50% { 
        transform: translateY(-5px) scale(1.1); 
        opacity: 1;
    }
}

/* Paso 2: Escaneo */
.scan-visual {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
}

.phone-frame {
    width: 40px;
    height: 60px;
    border: 3px solid var(--primary-blue);
    border-radius: 8px;
    position: relative;
    background: rgba(0, 212, 255, 0.1);
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--electric-blue);
    animation: scan-movement 2s linear infinite;
    box-shadow: 0 0 10px var(--electric-blue);
}

@keyframes scan-movement {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(50px); opacity: 0; }
}

.qr-target {
    position: relative;
    width: 35px;
    height: 35px;
}

.qr-corner {
    position: absolute;
    width: 8px;
    height: 8px;
    border: 2px solid var(--electric-blue);
}

.qr-corner.top-left {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
}

.qr-corner.top-right {
    top: 0;
    right: 0;
    border-left: none;
    border-bottom: none;
}

.qr-corner.bottom-left {
    bottom: 0;
    left: 0;
    border-right: none;
    border-top: none;
}

.qr-corner.bottom-right {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
}

/* Paso 3: Números */
.numbers-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
}

.number-generator {
    display: flex;
    gap: var(--spacing-xs);
}

.generated-mini {
    width: 35px;
    height: 35px;
    background: var(--electric-gradient);
    color: white;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: var(--font-weight-bold);
    animation: number-appear-mini 0.6s ease-out forwards;
    opacity: 0;
    transform: scale(0.5);
}

.generated-mini:nth-child(1) { animation-delay: 0.2s; }
.generated-mini:nth-child(2) { animation-delay: 0.4s; }
.generated-mini:nth-child(3) { animation-delay: 0.6s; }

@keyframes number-appear-mini {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.sparkles {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 20px;
}

.sparkle {
    position: absolute;
    font-size: 0.8rem;
    animation: sparkle-float 3s ease-in-out infinite;
    opacity: 0;
}

.sparkle-1 {
    left: 10%;
    animation-delay: 0.5s;
}

.sparkle-2 {
    left: 45%;
    animation-delay: 1s;
}

.sparkle-3 {
    left: 80%;
    animation-delay: 1.5s;
}

@keyframes sparkle-float {
    0%, 100% {
        opacity: 0;
        transform: translateY(0) scale(0.5);
    }
    50% {
        opacity: 1;
        transform: translateY(-15px) scale(1);
    }
}

/* Contenido de pasos */
.step-content {
    text-align: left;
}

.step-title {
    color: var(--primary-blue);
    font-size: 1.3rem;
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--spacing-sm) 0;
}

.step-description {
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.highlight {
    color: var(--primary-blue);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(120deg, transparent 0%, rgba(0, 212, 255, 0.1) 50%, transparent 100%);
    padding: 2px 4px;
    border-radius: 3px;
}

.step-tip {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(0, 212, 255, 0.05);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--electric-blue);
    font-size: 0.9rem;
    color: var(--primary-blue);
}

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

/* Call to Action mejorado */
.call-to-action-enhanced {
    background: var(--electric-gradient);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.call-to-action-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.cta-content {
    margin-bottom: var(--spacing-lg);
}

.cta-title {
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--spacing-sm) 0;
    color: white;
}

.cta-text {
    font-size: 1rem;
    margin: 0;
    opacity: 0.9;
}

.cta-button-secondary {
    background: white;
    color: var(--primary-blue);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
    background: #f8f9fa;
}

.button-icon, .button-arrow {
    transition: var(--transition);
}

.cta-button-secondary:hover .button-arrow {
    transform: translateX(5px);
}

.cta-button-secondary:hover .button-icon {
    animation: rocket-boost 0.6s ease-out;
}

@keyframes rocket-boost {
    0%, 100% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(-10deg) scale(1.2); }
}

/* Responsive para la nueva sección */
@media (max-width: 768px) {
    .interactive-steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .step-visual {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .step-animation {
        min-height: 60px;
    }
    
    .explanation-title {
        font-size: 1.8rem;
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .explanation-enhanced {
        padding: var(--spacing-lg);
    }
    
    .step-card {
        padding: var(--spacing-lg);
    }
    
    .step-number-large {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

/* Responsive para la nueva sección */
@media (max-width: 768px) {
    .battery-pack-demo {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .process-arrow {
        order: 2;
    }
    
    .numbers-result {
        order: 3;
    }
    
    .arrow-container svg {
        transform: rotate(90deg);
    }
    
    .battery-package {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .step-by-step {
        gap: var(--spacing-md);
    }
    
    .explanation-step {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .battery-display {
        gap: var(--spacing-xs);
    }
    
    .battery-body-realistic {
        width: 35px;
        height: 100px;
    }
    
    .brand-logo {
        font-size: 1.4rem;
    }
    
    .generated-numbers-demo {
        flex-direction: column;
        align-items: center;
    }
    
    .number-card {
        width: 80px;
    }
}

.explanation-text {
    color: var(--medium-gray);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-top: var(--spacing-xl);
}

/* Register Section */
.register-section {
    padding: var(--spacing-xxl) 0;
    background: var(--light-gray);
}

.register-container {
    max-width: 600px;
    margin: 0 auto;
}

.register-form {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--primary-blue);
}

.form-group input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: white;
}

.form-group input:focus {
    outline: none;
    border-color: var(--electric-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input:invalid {
    border-color: var(--error-red);
}

.form-group input[aria-invalid="true"] {
    border-color: var(--error-red);
}

.error-message {
    color: var(--error-red);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    min-height: 1.2em;
}

.checkbox-group {
    margin: var(--spacing-lg) 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
    opacity: 0;
    position: absolute;
    width: 0;
    height: 0;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e9ecef;
    border-radius: 4px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.checkbox-label input:checked + .checkmark {
    background: var(--electric-blue);
    border-color: var(--electric-blue);
}

.checkbox-label input:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.checkbox-label input:focus + .checkmark {
    outline: 2px solid var(--electric-blue);
    outline-offset: 2px;
}

.link-button {
    background: none;
    border: none;
    color: var(--electric-blue);
    text-decoration: underline;
    cursor: pointer;
    font-size: inherit;
    padding: 0;
    margin: 0;
}

.link-button:hover {
    color: var(--primary-blue);
}

.submit-button {
    width: 100%;
    background: var(--electric-gradient);
    color: white;
    font-size: 1.1rem;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-bold);
    position: relative;
    overflow: hidden;
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success Result */
.success-result {
    margin-top: var(--spacing-xl);
}

.success-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--success-green);
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto var(--spacing-lg);
    box-shadow: 0 0 20px rgba(40, 167, 69, 0.3);
}

.success-card h3 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.generated-numbers {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.generated-number {
    background: var(--electric-gradient);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    min-width: 80px;
    box-shadow: var(--shadow-md);
    animation: number-appear 0.6s ease-out forwards;
    opacity: 0;
    transform: scale(0.5);
}

@keyframes number-appear {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.receipt {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.receipt h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.receipt-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid #dee2e6;
}

.receipt-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.receipt-item span:first-child {
    color: var(--medium-gray);
    font-weight: var(--font-weight-medium);
}

.secondary-button {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
    margin-top: var(--spacing-lg);
    transition: var(--transition);
}

.secondary-button:hover {
    background: var(--primary-blue);
    color: white;
}

/* Countdown Section */
.countdown-section {
    padding: var(--spacing-xxl) 0;
    background: var(--primary-gradient);
    color: white;
    text-align: center;
}

.countdown-section .section-title {
    color: white;
}

.countdown-section .section-title::after {
    background: var(--electric-blue);
}

.countdown-display {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

.countdown-unit {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid rgba(0, 212, 255, 0.3);
    backdrop-filter: blur(10px);
    min-width: 100px;
}

.countdown-number {
    display: block;
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--electric-blue);
    line-height: 1;
}

.countdown-label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.countdown-separator {
    font-size: 2rem;
    color: var(--electric-blue);
    display: flex;
    align-items: center;
    font-weight: var(--font-weight-bold);
}

.countdown-message {
    margin: var(--spacing-xl) 0;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

.video-section {
    margin-top: var(--spacing-xl);
}

.video-section h3 {
    color: var(--electric-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.video-button {
    background: var(--electric-gradient);
    color: var(--primary-blue);
    font-size: 1.2rem;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-bold);
    box-shadow: var(--shadow-glow);
}

.video-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

/* Transparency Section */
.transparency-section {
    padding: var(--spacing-xxl) 0;
    background: white;
    text-align: center;
}

.transparency-content {
    max-width: 800px;
    margin: 0 auto;
}

.transparency-content p {
    font-size: 1.1rem;
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.trust-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.trust-item span {
    color: var(--primary-blue);
    font-weight: var(--font-weight-medium);
    text-align: center;
}

/* Footer */
.footer {
    background: var(--dark-navy);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 0;
}

.footer-logo span {
    color: var(--electric-blue);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
}

.footer-nav {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.footer-link:hover {
    color: var(--electric-blue);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin: 0;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modal-appear 0.3s ease-out;
}

@keyframes modal-appear {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid #e9ecef;
}

.modal-header h3 {
    margin: 0;
    color: var(--primary-blue);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--medium-gray);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 4px;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--primary-blue);
}

.modal-body {
    padding: var(--spacing-lg);
    line-height: 1.6;
}

.modal-body p {
    margin-bottom: var(--spacing-md);
    color: var(--medium-gray);
}

.modal-body strong {
    color: var(--primary-blue);
}

/* Responsive Design */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .hero-content {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }
    
    .hero-visual {
        display: flex;
        justify-content: center;
    }
    
    .package-mockup {
        flex-wrap: nowrap;
    }
    
    .footer-content {
        flex-wrap: nowrap;
    }
    
    .countdown-display {
        flex-wrap: nowrap;
    }
}

@media (max-width: 768px) {
    .hero {
        text-align: center;
        padding-top: 100px;
    }
    
    .hero-content {
        gap: var(--spacing-lg);
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .package-mockup {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .arrow-flow svg {
        transform: rotate(90deg);
    }
    
    .countdown-separator {
        display: none;
    }
    
    .trust-indicators {
        gap: var(--spacing-lg);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }
    
    .register-form {
        padding: var(--spacing-lg);
    }
    
    .countdown-unit {
        min-width: 80px;
        padding: var(--spacing-md);
    }
    
    .countdown-number {
        font-size: 2rem;
    }
    
    .numbers-display {
        flex-direction: column;
        align-items: center;
    }
    
    .generated-numbers {
        flex-direction: column;
        align-items: center;
    }
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .title-glow {
        animation: none;
    }
    
    .wave {
        animation: none;
    }
    
    .arrow-flow {
        animation: none;
    }
    
    .generated-number {
        animation: none;
        opacity: 1;
        transform: scale(1);
    }
}

/* Focus Management */
.focus-trap {
    outline: none;
}

/* Print Styles */
@media print {
    .header,
    .cta-button,
    .video-button,
    .submit-button,
    .secondary-button {
        display: none;
    }
    
    .hero {
        background: none;
        color: var(--primary-blue);
        min-height: auto;
    }
    
    * {
        box-shadow: none !important;
    }
}