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

:root {
    --primary: #ff6b35;
    --secondary: #f7931e;
    --dark: #1a1a1a;
    --gray: #666;
    --light: #f5f5f5;
    --white: #fff;
    --gradient: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark);
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--white);
    text-decoration: none;
}

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

.nav-menu {
    display: flex;
    gap: 35px;
    list-style: none;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--primary);
}

.btn-join {
    padding: 12px 28px;
    background: var(--gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.3s;
}

.btn-join:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(255, 107, 53, 0.3) 100%);
}

.video-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-placeholder i {
    font-size: 10rem;
    color: rgba(255, 255, 255, 0.1);
}

.hero-content {
    padding-top: 100px;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 25px;
}

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

.hero-content > p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.btn-primary, .btn-secondary {
    padding: 18px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.5);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hero-stats {
    display: flex;
    gap: 60px;
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Features */
.features {
    padding: 80px 0;
    background: var(--dark);
    margin-top: -80px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-box {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    transition: all 0.3s;
}

.feature-box:hover {
    background: rgba(255, 107, 53, 0.1);
    transform: translateY(-10px);
}

.feature-box i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-box h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 15px;
}

.feature-box p {
    color: rgba(255, 255, 255, 0.7);
}

/* Section Common */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 25px;
    background: var(--gradient);
    color: var(--white);
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray);
}

/* Classes */
.classes {
    background: var(--light);
}

.classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
}

.class-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.class-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.class-image {
    position: relative;
    height: 250px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
}

.class-image i {
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.3);
}

.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: opacity 0.3s;
}

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

.btn-view {
    padding: 12px 30px;
    background: var(--white);
    color: var(--dark);
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
}

.class-content {
    padding: 30px;
}

.class-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    color: var(--gray);
    font-size: 0.9rem;
}

.class-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.class-content h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
}

.class-content > p {
    color: var(--gray);
    margin-bottom: 20px;
}

.class-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.difficulty {
    padding: 6px 18px;
    background: var(--primary);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.class-count {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Trainers */
.trainers {
    background: var(--white);
}

.trainers-slider {
    padding: 40px 0;
}

.trainer-card {
    background: var(--light);
    border-radius: 20px;
    overflow: hidden;
    text-align: center;
}

.trainer-image {
    height: 300px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
}

.trainer-image i {
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.3);
}

.trainer-content {
    padding: 30px;
}

.trainer-content h3 {
    font-size: 1.6rem;
    margin-bottom: 10px;
}

.specialty {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 15px;
}

.bio {
    color: var(--gray);
    margin-bottom: 25px;
}

.trainer-social {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.trainer-social a {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.trainer-social a:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

/* Pricing */
.pricing {
    background: var(--light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    background: var(--dark);
    color: var(--white);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 25px;
    background: var(--gradient);
    color: var(--white);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
}

.pricing-card h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.price {
    margin-bottom: 30px;
}

.amount {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary);
}

.period {
    font-size: 1.2rem;
    color: var(--gray);
}

.features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.features li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.features li i {
    color: var(--primary);
}

.features li.disabled {
    opacity: 0.4;
}

.btn-pricing {
    width: 100%;
    padding: 16px;
    background: var(--gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    display: block;
    transition: all 0.3s;
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

/* Schedule */
.schedule {
    background: var(--white);
}

.schedule-filters {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 12px 30px;
    background: var(--light);
    border: none;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary);
    color: var(--white);
}

.schedule-table {
    max-width: 900px;
    margin: 0 auto;
}

.schedule-item {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 25px 30px;
    background: var(--light);
    border-radius: 15px;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.schedule-item:hover {
    background: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.time {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    min-width: 100px;
}

.class-info {
    flex: 1;
}

.class-info h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.class-info p {
    color: var(--gray);
    font-size: 0.9rem;
}

.duration {
    font-weight: 600;
    color: var(--gray);
}

.btn-book {
    padding: 10px 25px;
    background: var(--gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-book:hover {
    transform: scale(1.05);
}

/* Contact */
.contact {
    background: var(--light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-info > p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.info-item i {
    font-size: 2rem;
    color: var(--primary);
}

.info-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.info-item p {
    color: var(--gray);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 2rem;
    margin-bottom: 30px;
}

.contact-form input, .contact-form select, .contact-form textarea {
    width: 100%;
    padding: 15px 20px;
    margin-bottom: 20px;
    border: 2px solid var(--light);
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'Roboto', sans-serif;
}

.btn-submit {
    width: 100%;
    padding: 18px;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--white);
    text-decoration: none;
    margin-bottom: 20px;
}

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

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--primary);
}

.footer-col h3 {
    margin-bottom: 25px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s;
}

.footer-col ul li a:hover {
    color: var(--white);
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 30px;
}

.newsletter-form button {
    padding: 12px 20px;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: 30px;
    cursor: pointer;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* Scroll to Top */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 999;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
}

.scroll-to-top.show {
    display: flex;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(26, 26, 26, 0.98);
        flex-direction: column;
        padding: 40px;
        transition: left 0.3s;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .schedule-item {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}
