/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-black: #0a0a0a;
    --secondary-black: #1a1a1a;
    --dark-gray: #2a2a2a;
    --accent-green: #39ff14;
    --accent-red: #ff073a;
    --text-white: #ffffff;
    --text-gray: #b0b0b0;
    --text-light-gray: #888888;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-white);
    background-color: var(--primary-black);
    overflow-x: hidden;
}

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

.section {
    padding: var(--spacing-2xl) 0;
}

.section-dark {
    background-color: var(--secondary-black);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-green), var(--accent-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.accent-text {
    color: var(--accent-green);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--primary-black);
    box-shadow: var(--box-shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo .logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-green);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-white);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.6)), 
                url('https://images.pexels.com/photos/1954524/pexels-photo-1954524.jpeg') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(57, 255, 20, 0.1), rgba(255, 7, 58, 0.1));
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    padding: 0 var(--spacing-sm);
    animation: heroFadeIn 2s ease-out;
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-gray);
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    background: linear-gradient(135deg, var(--accent-green), #2ecc71);
    color: var(--primary-black);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 5px 20px rgba(57, 255, 20, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(57, 255, 20, 0.4);
    background: linear-gradient(135deg, #2ecc71, var(--accent-green));
}

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

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--accent-green);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: mouseWheel 1.5s infinite;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes mouseWheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

/* Classes Section */
.classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.class-card {
    background: var(--secondary-black);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid #333;
}

.class-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-green);
}

.class-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.class-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.class-card:hover .class-image img {
    transform: scale(1.1);
}

.class-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.class-card:hover .class-overlay {
    opacity: 1;
}

.class-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--accent-green);
    color: var(--primary-black);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.class-btn:hover {
    background: var(--accent-red);
    transform: scale(1.05);
}

.class-content {
    padding: var(--spacing-md);
}

.class-content h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--accent-green);
}

.class-content p {
    color: var(--text-gray);
    margin-bottom: var(--spacing-sm);
}

.class-schedule {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.schedule-item {
    font-size: 0.9rem;
    color: var(--text-light-gray);
    padding: 4px var(--spacing-xs);
    background: var(--dark-gray);
    border-radius: 6px;
    display: inline-block;
}

/* Trainers Section */
.trainers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.trainer-card {
    background: var(--dark-gray);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid #333;
}

.trainer-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
    border-color: var(--accent-green);
}

.trainer-image {
    width: 150px;
    height: 150px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--accent-green);
    transition: var(--transition);
}

.trainer-card:hover .trainer-image {
    border-color: var(--accent-red);
}

.trainer-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.trainer-info h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-white);
}

.trainer-role {
    color: var(--accent-green);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.trainer-description {
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.trainer-specialties {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
}

.specialty {
    background: var(--secondary-black);
    color: var(--accent-green);
    padding: 4px var(--spacing-xs);
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid var(--accent-green);
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.pricing-card {
    background: var(--secondary-black);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 1px solid #333;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.pricing-card.featured {
    border-color: var(--accent-green);
    background: linear-gradient(135deg, rgba(57, 255, 20, 0.1), rgba(26, 26, 26, 0.9));
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-green);
    color: var(--primary-black);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
}

.pricing-header h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
}

.price {
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 1.5rem;
    color: var(--accent-green);
}

.amount {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-green);
}

.period {
    font-size: 1rem;
    color: var(--text-gray);
}

.pricing-features ul {
    list-style: none;
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    color: var(--text-gray);
    border-bottom: 1px solid #333;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    color: var(--accent-green);
    border: 2px solid var(--accent-green);
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-btn:hover {
    background: var(--accent-green);
    color: var(--primary-black);
    transform: translateY(-2px);
}

.pricing-btn.featured {
    background: var(--accent-green);
    color: var(--primary-black);
}

.pricing-btn.featured:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: var(--text-white);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
}

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

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--dark-gray);
    border: 1px solid #444;
    border-radius: var(--border-radius);
    color: var(--text-white);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 10px rgba(57, 255, 20, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light-gray);
}

.form-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-green), #2ecc71);
    color: var(--primary-black);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(57, 255, 20, 0.3);
}

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

.info-item h4 {
    font-family: 'Orbitron', sans-serif;
    color: var(--accent-green);
    margin-bottom: var(--spacing-xs);
}

.info-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

.map-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 2px solid var(--accent-green);
    margin-top: var(--spacing-md);
}

/* Footer */
.footer {
    background: var(--primary-black);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid #333;
}

.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-family: 'Orbitron', sans-serif;
    color: var(--accent-green);
    margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section a {
    color: var(--text-gray);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    display: block;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--accent-green);
}

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

.social-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--dark-gray);
    border-radius: var(--border-radius);
    border: 1px solid #444;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent-green);
    color: var(--primary-black);
    border-color: var(--accent-green);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid #333;
    color: var(--text-light-gray);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.fade-in-up.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--primary-black);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--box-shadow);
        padding: var(--spacing-lg) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .classes-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .trainers-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .trainer-card {
        padding: var(--spacing-md);
    }

    .pricing-card {
        padding: var(--spacing-md);
    }

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

/* Performance optimizations */
.class-image img,
.trainer-image img {
    will-change: transform;
}

.class-card,
.trainer-card,
.pricing-card {
    will-change: transform;
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}