/* ===================================
   VARIABLES Y CONFIGURACIÓN GENERAL
   =================================== */
:root {
    /* Colores principales */
    --color-primary: #00d9ff;
    --color-secondary: #ff006e;
    --color-accent: #ffbe0b;
    --color-playstation: #0070cc;
    --color-xbox: #107c10;
    --color-nintendo: #e60012;
    
    /* Colores de fondo */
    --bg-dark: #0a0e27;
    --bg-darker: #050814;
    --bg-card: #151b3d;
    --bg-card-hover: #1e2749;
    
    /* Colores de texto */
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #00d9ff 0%, #00a8ff 100%);
    --gradient-secondary: linear-gradient(135deg, #ff006e 0%, #d90051 100%);
    --gradient-accent: linear-gradient(135deg, #ffbe0b 0%, #ff9500 100%);
    --gradient-dark: linear-gradient(135deg, #0a0e27 0%, #151b3d 100%);
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.3);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Tamaños de fuente */
    --font-xs: 0.875rem;
    --font-sm: 1rem;
    --font-md: 1.125rem;
    --font-lg: 1.5rem;
    --font-xl: 2rem;
    --font-2xl: 2.5rem;
    --font-3xl: 3rem;
}

/* ===================================
   RESET Y ESTILOS BASE
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-darker);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

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

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.section-title {
    font-size: var(--font-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--font-md);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   HEADER Y NAVEGACIÓN
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.header.scrolled {
    background: rgba(5, 8, 20, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-lg);
    font-weight: 700;
}

.logo i {
    font-size: var(--font-xl);
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    position: relative;
    padding: 0.5rem 0;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

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

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

.nav-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    font-size: var(--font-md);
    transition: var(--transition-base);
}

.social-icon:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 3px;
    transition: var(--transition-base);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    margin-top: 70px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: var(--gradient-dark);
    opacity: 0.9;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 0, 110, 0.1) 0%, transparent 50%);
    animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

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

.hero-text {
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: var(--font-3xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: var(--font-md);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: translateY(-3px);
}

.hero-image {
    animation: fadeInRight 1s ease;
}

.controller-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.controller-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    animation: float 6s ease-in-out infinite;
}

.controller-card:nth-child(1) {
    grid-column: span 2;
}

.controller-card:nth-child(2) {
    animation-delay: 2s;
}

.controller-card:nth-child(3) {
    animation-delay: 4s;
}

.controller-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.4);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll a {
    font-size: var(--font-xl);
    color: var(--color-primary);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===================================
   FEATURES BAR
   =================================== */
.features-bar {
    background: var(--bg-card);
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-md);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
}

.feature-item i {
    font-size: var(--font-xl);
    color: var(--color-primary);
}

.feature-item h3 {
    font-size: var(--font-sm);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.feature-item p {
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

/* ===================================
   SERVICES SECTION
   =================================== */
.services {
    padding: var(--spacing-xl) 0;
    background: var(--bg-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border-radius: 20px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.service-card.featured {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(255, 0, 110, 0.1) 100%);
    border-color: var(--color-primary);
}

.service-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-secondary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: var(--font-xs);
    font-weight: 600;
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-2xl);
    color: white;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-size: var(--font-lg);
    margin-bottom: var(--spacing-md);
}

.service-list {
    margin-bottom: var(--spacing-md);
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.service-list i {
    color: var(--color-primary);
}

.service-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(0, 217, 255, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: 30px;
    color: var(--color-primary);
    font-weight: 600;
    transition: var(--transition-base);
}

.service-btn:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateX(5px);
}

/* ===================================
   CONSOLES SECTION
   =================================== */
.consoles {
    padding: var(--spacing-xl) 0;
    background: var(--bg-darker);
}

.consoles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.console-category {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.console-category:hover {
    transform: translateY(-5px);
}

.console-header {
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-lg);
    font-weight: 700;
}

.console-header.playstation {
    background: linear-gradient(135deg, #0070cc 0%, #0058a3 100%);
}

.console-header.xbox {
    background: linear-gradient(135deg, #107c10 0%, #0c5c0c 100%);
}

.console-header.nintendo {
    background: linear-gradient(135deg, #e60012 0%, #b30010 100%);
}

.console-header i {
    font-size: var(--font-2xl);
}

.console-list {
    padding: var(--spacing-md);
}

.console-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.console-item:last-child {
    border-bottom: none;
}

.console-item:hover {
    color: var(--text-primary);
    padding-left: var(--spacing-md);
}

.console-item i {
    color: var(--color-primary);
}

.console-item.highlight-item {
    background: rgba(0, 217, 255, 0.1);
    border-radius: 10px;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-weight: 600;
}

/* ===================================
   GALLERY SECTION
   =================================== */
.gallery {
    padding: var(--spacing-xl) 0;
    background: var(--bg-dark);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 1;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.gallery-placeholder i {
    font-size: 3rem;
    color: var(--color-primary);
}

.gallery-placeholder p {
    color: var(--text-secondary);
    font-weight: 600;
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--bg-darker);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: 15px;
}

.stat-item h3 {
    font-size: var(--font-2xl);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

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

.about-card {
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border-left: 4px solid var(--color-primary);
    transition: var(--transition-base);
}

.about-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.about-card i {
    font-size: var(--font-xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.about-card h4 {
    font-size: var(--font-md);
    margin-bottom: 0.5rem;
}

.about-card p {
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--bg-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
}

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

.contact-card {
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    transition: var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-card.featured {
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.1) 0%, rgba(25, 175, 84, 0.1) 100%);
    border: 2px solid #25d366;
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-size: var(--font-xl);
    color: white;
}

.contact-icon.phone {
    background: var(--gradient-primary);
}

.contact-icon.whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #19af54 100%);
}

.contact-icon.email {
    background: var(--gradient-secondary);
}

.contact-icon.location {
    background: var(--gradient-accent);
}

.contact-card h3 {
    font-size: var(--font-md);
    margin-bottom: var(--spacing-sm);
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.contact-card a {
    color: var(--color-primary);
}

.contact-card a:hover {
    text-decoration: underline;
}

.contact-hours {
    display: block;
    font-size: var(--font-xs);
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #25d366 0%, #19af54 100%);
    color: white;
    border-radius: 30px;
    font-weight: 600;
    margin-top: var(--spacing-sm);
    transition: var(--transition-base);
}

.contact-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
}

.contact-form-container {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: 20px;
}

.contact-form-container h3 {
    font-size: var(--font-xl);
    margin-bottom: var(--spacing-md);
}

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

.form-group {
    position: relative;
}

.form-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: var(--bg-darker);
    border: 2px solid transparent;
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition-base);
}

.form-group textarea {
    resize: vertical;
    padding-top: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===================================
   SOCIAL MEDIA SECTION
   =================================== */
.social-media {
    padding: var(--spacing-lg) 0;
    background: var(--bg-darker);
    text-align: center;
}

.social-media h3 {
    font-size: var(--font-xl);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.social-link.instagram {
    background: linear-gradient(135deg, #f58529 0%, #dd2a7b 50%, #8134af 100%);
}

.social-link.facebook {
    background: linear-gradient(135deg, #1877f2 0%, #0d65d9 100%);
}

.social-link.whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #19af54 100%);
}

.social-link.phone {
    background: var(--gradient-primary);
}

.social-link:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-section h4 {
    font-size: var(--font-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-primary);
    padding-left: 0.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-logo i {
    font-size: var(--font-xl);
    color: var(--color-primary);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    color: var(--color-primary);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-3px);
}

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

.footer-disclaimer {
    font-size: var(--font-xs);
    margin-top: 0.5rem;
}

/* ===================================
   FLOATING BUTTONS
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366 0%, #19af54 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(37, 211, 102, 0.5);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6);
    }
}

.scroll-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-md);
    box-shadow: var(--shadow-md);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --font-3xl: 2rem;
        --font-2xl: 1.75rem;
        --font-xl: 1.5rem;
        --font-lg: 1.25rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(10px);
        padding: var(--spacing-md);
        transform: translateX(-100%);
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-social {
        display: none;
    }
    
    .controller-showcase {
        grid-template-columns: 1fr;
    }
    
    .controller-card:nth-child(1) {
        grid-column: span 1;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .consoles-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        flex-direction: column;
        align-items: center;
    }
    
    .social-link {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .whatsapp-float,
    .scroll-top {
        bottom: 20px;
        right: 20px;
    }
    
    .scroll-top {
        bottom: 90px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        margin-top: 60px;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: var(--font-xs);
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}