/* ==================== VARIABLES ==================== */
:root {
    --primary-color: #00FF00;
    --secondary-color: #00CCFF;
    --accent-color: #00FF00;
    --dark-bg: #0a0a0a;
    --light-bg: #f0f8ff;
    --text-dark: #1a1a1a;
    --text-light: #555;
    --border-color: #dde5f0;
    --shadow: 0 10px 30px rgba(0, 255, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 204, 255, 0.12);
    --transition: all 0.3s ease;
}

/* ==================== GLOBAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

/* ==================== NAVIGATION ==================== */
.navbar {
    background: white;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.logo-image:hover {
    transform: scale(1.05);
}

.logo-text {
    background: linear-gradient(135deg, #00FF00, black);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    margin-left: -10px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

.nav-link:hover,
.nav-link.active {
    color: #00FF00;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #00FF00;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* ==================== HERO SECTION ==================== */
.hero {
    background: linear-gradient(135deg, #00FF00 0%, #00CCFF 100%);
    color: #0a0a0a;
    padding: 140px 0 80px 0;
    text-align: center;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    top: -250px;
    right: -100px;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 50%;
    bottom: -200px;
    left: -150px;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-overlay-image {
    position: absolute;
    left: -100px;
    bottom: 50px;
    width: 500px;
    height: 600px;
    z-index: 1;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    pointer-events: none;
}

.hero-overlay-image img {
    height: 100%;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 10px 40px rgba(0, 0, 0, 0.2));
    animation: slideInLeft 0.8s ease;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    margin-bottom: 20px;
    animation: slideInDown 0.8s ease;
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 300;
    margin-bottom: 15px;
    opacity: 0.85;
    animation: slideInUp 0.8s ease 0.2s backwards;
}

.hero-description {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: slideInUp 0.8s ease 0.4s backwards;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 80px;
    animation: slideInUp 0.8s ease 0.6s backwards;
}

.btn {
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: #0a0a0a;
    color: #00FF00;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 255, 0, 0.25);
    background: #1a1a1a;
}

.btn-secondary {
    background: transparent;
    color: #0a0a0a;
    border: 2px solid #0a0a0a;
}

.btn-secondary:hover {
    background: #0a0a0a;
    color: #00FF00;
}

.btn-small {
    padding: 10px 25px;
    font-size: 14px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    animation: slideInUp 0.8s ease 0.8s backwards;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 36px;
    margin-bottom: 5px;
}

.stat p {
    font-size: 14px;
    opacity: 0.85;
}

/* ==================== FEATURES SECTION ==================== */
.features {
    padding: 80px 0;
    background: var(--light-bg);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #00FF00, #00CCFF);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0a0a0a;
    font-size: 32px;
    margin: 0 auto 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ==================== COURSES SECTION ==================== */
.courses {
    padding: 80px 0;
    background: white;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.course-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

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

.course-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.course-content {
    padding: 25px;
}

.course-badge {
    display: inline-block;
    background: linear-gradient(135deg, #00FF00, #00CC00);
    color: #0a0a0a;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.course-badge.advanced {
    background: linear-gradient(135deg, #00CCFF, #0099FF);
}

.course-badge.expert {
    background: linear-gradient(135deg, #00FF00, #00CCFF);
}

.course-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.course-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.6;
}

.course-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-light);
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.course-price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.price {
    font-size: 28px;
    font-weight: 700;
    color: #00FF00;
}

.original-price {
    font-size: 16px;
    color: var(--text-light);
    text-decoration: line-through;
}

/* ==================== PORTFOLIO SECTION ==================== */
.portfolio {
    padding: 80px 0;
    background: var(--light-bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

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

.portfolio-header {
    margin-bottom: 25px;
    border-bottom: 2px solid var(--light-bg);
    padding-bottom: 15px;
}

.portfolio-header h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.role {
    color: #00FF00;
    font-weight: 600;
    font-size: 14px;
}

.portfolio-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 20px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    font-weight: 600;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: #00FF00;
    margin-top: 5px;
}

.portfolio-chart {
    height: 80px;
    margin-top: 20px;
}

.portfolio-chart svg {
    width: 100%;
    height: 100%;
}

/* ==================== TRAINERS SECTION ==================== */
.trainers {
    padding: 80px 0;
    background: var(--light-bg);
}

.trainers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.trainer-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

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

.trainer-image {
    position: relative;
    height: 250px;
    background: linear-gradient(135deg, #00FF00, #00CCFF);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.trainer-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid white;
}

.trainer-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #00FF00;
    color: #0a0a0a;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.trainer-content {
    padding: 30px 25px;
}

.trainer-content h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.trainer-role {
    color: #00FF00;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 15px;
}

.trainer-bio {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.trainer-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.skill-tag {
    background: linear-gradient(135deg, rgba(0, 255, 0, 0.1), rgba(0, 204, 255, 0.1));
    color: #00FF00;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid #00FF00;
}

.trainer-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.trainer-stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: #00FF00;
    margin-bottom: 5px;
}

.stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    font-weight: 600;
}

/* ==================== TESTIMONIALS SECTION ==================== */
.testimonials {
    padding: 80px 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 15px;
    border-left: 4px solid #00FF00;
    transition: var(--transition);
}

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

.stars {
    display: flex;
    gap: 5px;
    margin-bottom: 15px;
    color: #ffc107;
}

.stars i {
    font-size: 16px;
}

.testimonial-text {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.8;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 3px;
}

.testimonial-author p {
    font-size: 13px;
    color: var(--text-light);
}

/* ==================== ABOUT SECTION ==================== */
.about {
    padding: 80px 0;
    background: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 24px;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.about-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
    text-align: justify;
}

.about-list {
    list-style: none;
}

.about-list li {
    padding: 10px 0;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-color);
}

.about-list strong {
    color: var(--text-dark);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.big-stat {
    background: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.big-stat h3 {
    font-size: 48px;
    color: #00FF00;
    margin-bottom: 10px;
}

.big-stat p {
    color: var(--text-light);
    font-size: 16px;
}

/* ==================== CONTACT SECTION ==================== */
.contact {
    padding: 80px 0;
    background: white;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #00FF00;
    box-shadow: 0 0 0 3px rgba(0, 255, 0, 0.1);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.info-card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
}

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

.info-card i {
    font-size: 32px;
    color: #00FF00;
    margin-bottom: 15px;
}

.info-card h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.info-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.8;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 60px 0 20px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 20px;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: white;
    padding-left: 5px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(0, 255, 0, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: #00FF00;
    transform: translateY(-3px);
    color: #0a0a0a;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* ==================== ANIMATIONS ==================== */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ==================== SCROLL ANIMATIONS ==================== */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    animation: slideInUp 0.8s ease forwards;
}