/* Variables */
:root {
    --bg-color: #050505;
    --surface-color: #121212;
    --surface-light: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #00ff88; /* Subtle vibrant green */
    --accent-hover: #00d36f;
    --danger: #ff4757;
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

ul { list-style: none; }
a { text-decoration: none; color: inherit; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 100px 0;
}

.darker-bg {
    background-color: var(--surface-color);
}

.text-center { text-align: center; }
.max-width { max-width: 600px; margin: 0 auto; }

/* Section Header */
.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.title-underline {
    height: 3px;
    width: 60px;
    background-color: var(--accent-color);
    margin-bottom: 20px;
}

.title-underline.center {
    margin: 0 auto 20px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 50px;
}

/* Typography Highlights */
.highlight {
    color: var(--accent-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

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

.btn-outline {
    background-color: transparent;
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-outline:hover {
    background-color: var(--accent-color);
    color: #000;
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(5, 5, 5, 0.95);
    padding: 15px 5%;
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
}

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 2px;
}

.logo span {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-color);
}

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

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

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(5,5,5,0.9) 0%, rgba(5,5,5,0.6) 50%, rgba(5,5,5,0.8) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 800;
    text-transform: uppercase;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #e0e0e0;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-secondary);
    border-radius: 15px;
    margin: 0 auto 10px;
    position: relative;
}

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

@keyframes scroll {
    0% { top: 8px; opacity: 1; }
    100% { top: 20px; opacity: 0; }
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    width: 100%;
    border-radius: 8px;
    object-fit: cover;
    filter: grayscale(80%) contrast(1.2);
    transition: var(--transition);
}

.about-image:hover {
    filter: grayscale(0%) contrast(1);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.2);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--accent-color);
    color: #000;
    padding: 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.experience-badge .number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.experience-badge .text {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    line-height: 1.2;
}

.about-features {
    margin: 30px 0;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.check-icon {
    color: var(--accent-color);
    font-weight: bold;
    background: rgba(0, 255, 136, 0.1);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.8rem;
}

/* Programs Section */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.program-card {
    background-color: var(--surface-color);
    padding: 40px 30px;
    border-radius: 8px;
    transition: var(--transition);
    border: 1px solid var(--surface-light);
    position: relative;
    overflow: hidden;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.program-card:hover {
    transform: translateY(-10px);
    background-color: var(--surface-light);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

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

.program-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 255, 136, 0.1);
    border-radius: 50%;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.program-card:hover .program-icon {
    background-color: var(--accent-color);
    color: #000;
}

.program-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.program-desc {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.program-link {
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.program-link:hover {
    text-decoration: underline;
}

/* Trainers Section */
.trainers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.trainer-card {
    background-color: var(--bg-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.trainer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.trainer-img-wrapper {
    width: 100%;
    height: 400px;
    overflow: hidden;
    position: relative;
}

.trainer-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: all 0.5s ease;
}

.trainer-card:hover .trainer-img-wrapper img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.trainer-img-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, var(--bg-color), transparent);
}

.trainer-info {
    padding: 20px;
    text-align: center;
}

.trainer-info h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.trainer-info span {
    color: var(--accent-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Membership */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pricing-card {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--surface-light);
    transition: var(--transition);
    position: relative;
}

.pricing-card.popular {
    transform: scale(1.05);
    background-color: var(--surface-light);
    border-color: var(--accent-color);
}

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

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    color: #000;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.pricing-card.popular .plan-header h3 {
    color: var(--text-primary);
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    line-height: 1;
    margin-bottom: 30px;
}

.price span:first-child {
    font-size: 1.5rem;
    margin-top: 5px;
    margin-right: 5px;
    color: var(--accent-color);
}

.price span:last-child {
    font-size: 1rem;
    color: var(--text-secondary);
    align-self: flex-end;
    margin-bottom: 5px;
    font-weight: 400;
}

.plan-features {
    margin-bottom: 40px;
}

.plan-features li {
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.plan-features li.disabled {
    color: #555;
    text-decoration: line-through;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.info-items {
    margin-top: 40px;
}

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

.info-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(0, 255, 136, 0.1);
    color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.info-item h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

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

.contact-form {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 20px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    background-color: var(--bg-color);
    border: 1px solid var(--surface-light);
    color: var(--text-primary);
    border-radius: 4px;
    font-family: var(--font-main);
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Footer */
.footer {
    background-color: #020202;
    padding: 80px 0 20px;
    border-top: 1px solid var(--surface-light);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 20px;
    max-width: 300px;
}

.footer h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

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

.social-icons a {
    width: 40px;
    height: 40px;
    background-color: var(--surface-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

.social-icons a:hover {
    background-color: var(--accent-color);
    color: #000;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: #555;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-badge {
        bottom: 20px;
        right: 20px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--surface-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.5s ease;
    }
    
    .nav-links.active {
        right: 0;
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .nav-btn {
        display: none;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-10px);
    }
    .hero-buttons {
        flex-direction: column;
    }
}