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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #0a0e1a;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar {
    background: #1a1f2e;
    padding: 8px 0;
    font-size: 14px;
}

.contact-info {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #a0aec0;
}

.contact-item i {
    color: #ffffff;
}

.navbar {
    padding: 15px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
}

.logo i {
    font-size: 32px;
    color: #4fd1c7;
}

.logo-text h1 {
    font-size: 24px;
    font-weight: 800;
    line-height: 1;
    margin: 0;
}

.logo-text p {
    font-size: 12px;
    color: #a0aec0;
    margin: 0;
    letter-spacing: 1px;
}

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

.nav-link {
    color: #e2e8f0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #4fd1c7;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: #4fd1c7;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    position: relative;
    z-index: 1002;
}

.hamburger:hover {
    background: rgba(255, 255, 255, 0.1);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #fff;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 10px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #4fd1c7, #38b2ac);
    color: white;
    box-shadow: 0 4px 15px rgba(79, 209, 199, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 209, 199, 0.4);
}

.btn-outline {
    background: transparent;
    color: #4fd1c7;
    border: 2px solid #4fd1c7;
}

.btn-outline:hover {
    background: #4fd1c7;
    color: white;
}

.btn-white {
    background: white;
    color: #2d3748;
}

.btn-white:hover {
    background: #f7fafc;
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* Hero Section */
.hero {
    padding: 180px 0 80px;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a202c 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%234fd1c7" stop-opacity="0.1"/><stop offset="100%" stop-color="%234fd1c7" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="300" fill="url(%23a)"/><circle cx="800" cy="300" r="200" fill="url(%23a)"/><circle cx="400" cy="700" r="250" fill="url(%23a)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    color: #ff6b6b;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff6b6b, #ffa500);
    border-radius: 2px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #a0aec0;
    margin-bottom: 30px;
    line-height: 1.6;
}

.hero-image {
    position: relative;
}

.image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.main-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 20px;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.element {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #4fd1c7, #38b2ac);
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.element-2 {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #ff6b6b, #ffa500);
    top: 60%;
    left: 10%;
    animation-delay: 2s;
}

.element-3 {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #9f7aea, #667eea);
    bottom: 20%;
    right: 20%;
    animation-delay: 4s;
}

.element-4 {
    width: 30px;
    height: 30px;
    background: linear-gradient(45deg, #f093fb, #f5576c);
    top: 30%;
    left: 20%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #1a202c;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1rem;
    color: #a0aec0;
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: #4fd1c7;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #4fd1c7, #38b2ac);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 15px;
}

.feature-card p {
    color: #a0aec0;
    line-height: 1.6;
}

/* Popular Courses */
.popular-courses {
    padding: 80px 0;
    background: #0a0e1a;
}

.popular-courses .courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.course-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

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

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.course-content {
    padding: 25px;
}

.course-category {
    display: inline-block;
    background: #4fd1c7;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

.course-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 10px;
}

.course-content p {
    color: #718096;
    margin-bottom: 15px;
    line-height: 1.6;
}

.course-meta {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: #a0aec0;
}

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

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

/* Footer */
.footer {
    background: #1a202c;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-section p {
    color: #a0aec0;
    line-height: 1.6;
    margin-bottom: 15px;
}

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

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

.footer-section ul li a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #4fd1c7;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 28px;
    color: #4fd1c7;
}

.footer-logo .logo-text h3 {
    font-size: 20px;
    margin: 0;
}

.footer-logo .logo-text p {
    font-size: 12px;
    margin: 0;
    color: #a0aec0;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.contact-info i {
    color: #4fd1c7;
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: #a0aec0;
}

/* Floating Buttons */
.floating-buttons {
    position: fixed;
    right: 30px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.floating-btn.phone {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.floating-btn.email {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.floating-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

/* Page Header */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a202c 100%);
    text-align: center;
    color: white;
}

.breadcrumb {
    margin-bottom: 20px;
    margin-top: 60px;
    font-size: 14px;
    color: #a0aec0;
}

.breadcrumb a {
    color: #4fd1c7;
    text-decoration: none;
}

.breadcrumb span {
    margin: 0 10px;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    color: #a0aec0;
    max-width: 600px;
    margin: 0 auto;
}

/* Courses Section */
.courses-section {
    padding: 80px 0;
    background: #0a0e1a;
}

.courses-section .courses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.course-card-large {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 300px;
}

.course-card-large:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.course-card-large .course-image {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.course-card-large .course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.course-card-large:hover .course-image img {
    transform: scale(1.05);
}

.course-card-large .course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.course-card-large:hover .course-overlay {
    opacity: 1;
}

.course-card-large .course-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.course-card-large .course-category {
    display: inline-block;
    background: #4fd1c7;
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    width: fit-content;
}

.course-card-large .course-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
    line-height: 1.3;
}

.course-card-large .course-content p {
    color: #718096;
    margin-bottom: 25px;
    line-height: 1.6;
    font-size: 1.1rem;
}

.course-card-large .course-meta {
    display: flex;
    gap: 25px;
    font-size: 14px;
    color: #a0aec0;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.course-card-large .course-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.course-card-large .course-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.course-card-large .price {
    font-size: 2rem;
    font-weight: 700;
    color: #4fd1c7;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #4fd1c7, #38b2ac);
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-section .btn-primary {
    background: white;
    color: #4fd1c7;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-section .btn-primary:hover {
    background: #f7fafc;
    transform: translateY(-2px);
}

/* Course Detail Section */
.course-detail-section {
    padding: 80px 0;
    background: #0a0e1a;
}

.course-detail-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.course-main {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.course-tabs {
    display: flex;
    border-bottom: 2px solid #e2e8f0;
    margin-bottom: 30px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    color: #718096;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.tab-btn.active {
    color: #4fd1c7;
    border-bottom-color: #4fd1c7;
}

.tab-btn:hover {
    color: #4fd1c7;
}

.tab-content {
    min-height: 400px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.course-info {
    margin-bottom: 30px;
}

.course-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.course-category-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #4fd1c7;
    font-weight: 600;
}

.course-description,
.course-content {
    margin-bottom: 40px;
}

.course-description h3,
.course-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 20px;
}

.course-description p,
.course-content p {
    color: #718096;
    line-height: 1.8;
    margin-bottom: 15px;
}

.course-content ul {
    list-style: none;
    padding: 0;
}

.course-content li {
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
    color: #4a5568;
    position: relative;
    padding-left: 25px;
}

.course-content li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4fd1c7;
    font-weight: bold;
}

/* Instructor Info */
.instructor-info {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.instructor-avatar {
    flex-shrink: 0;
}

.instructor-avatar img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #4fd1c7;
}

.instructor-details h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 5px;
}

.instructor-title {
    color: #4fd1c7;
    font-weight: 600;
    margin-bottom: 15px;
}

.instructor-bio {
    color: #718096;
    line-height: 1.6;
    margin-bottom: 20px;
}

.instructor-stats {
    display: flex;
    gap: 30px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #4fd1c7;
}

.stat-label {
    font-size: 14px;
    color: #fff;
}

/* Course Sidebar */
.course-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.course-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.course-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.course-info-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.course-info-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
}

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

.info-item i {
    color: #4fd1c7;
    width: 20px;
    text-align: center;
}

.info-item span:first-of-type {
    color: #718096;
    font-weight: 500;
    min-width: 80px;
}

.info-item span:last-of-type {
    color: #2d3748;
    font-weight: 600;
}

.course-price-card {
    background: linear-gradient(135deg, #6975de, #2a0b63);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    color: white;
}

.price {
    margin-bottom: 20px;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    margin-left: 5px;
}

.price-note {
    font-size: 12px;
    opacity: 0.8;
    margin-top: 10px;
}

.share-section {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.share-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 15px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.social-link:hover {
    transform: translateY(-2px);
}

.social-link.facebook {
    background: #3b5998;
}

.social-link.twitter {
    background: #1da1f2;
}

.social-link.linkedin {
    background: #0077b5;
}

/* Related Courses */
.related-courses {
    padding: 80px 0;
    background: #1a202c;
}

.related-courses h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    text-align: center;
    margin-bottom: 50px;
}

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

/* About Section */
.about-section {
    padding: 80px 0;
    background: #0a0e1a;
}

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

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 25px;
}

.about-text .lead {
    font-size: 1.2rem;
    color: #4fd1c7;
    font-weight: 600;
    margin-bottom: 25px;
    line-height: 1.6;
}

.about-text p {
    color: #a0aec0;
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 30px;
    color: white;
}

.overlay-content h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: #4fd1c7;
}

.overlay-content p {
    font-size: 1.1rem;
    margin: 0;
}

/* Values Section */
.values-section {
    padding: 80px 0;
    background: #1a202c;
}

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

.value-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.value-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: #4fd1c7;
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #4fd1c7, #38b2ac);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.value-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: white;
    margin-bottom: 15px;
}

.value-card p {
    color: #a0aec0;
    line-height: 1.6;
}

/* Stats Section */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #4fd1c7, #38b2ac);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: #4fd1c7;
    display: block;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    opacity: 0.9;
    color: #4fd1c7;
}

/* Team Section */
.team-section {
    padding: 80px 0;
    background: #0a0e1a;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.team-member {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.member-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.team-member:hover .member-image img {
    transform: scale(1.1);
}

.member-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(79, 209, 199, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.team-member:hover .member-overlay {
    opacity: 1;
}

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

.social-links a {
    width: 50px;
    height: 50px;
    background: #0a0e1a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.1);
}



.member-info {
    padding: 30px;
    text-align: center;
}

.member-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 8px;
}

.member-title {
    color: #4fd1c7;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1rem;
}

.member-bio {
    color: #718096;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: #0a0e1a;
}

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

.contact-info-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.contact-info-section .lead {
    font-size: 1.2rem;
    color: #a0aec0;
    margin-bottom: 40px;
    line-height: 1.6;
}

.contact-details {
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: center;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4fd1c7, #38b2ac);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.contact-text h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
}

.contact-text p {
    color: #a0aec0;
    line-height: 1.6;
    margin: 0;
}

.social-media h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
}

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

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px);
}

.social-link.facebook {
    background: #3b5998;
}

.social-link.twitter {
    background: #1da1f2;
}

.social-link.linkedin {
    background: #0077b5;
}

.social-link.instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

/* Contact Form */
.contact-form-section {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.form-container h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 10px;
}

.form-container p {
    color: #718096;
    margin-bottom: 30px;
}

.contact-form {
    display: grid;
    gap: 20px;
}

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

.form-group label {
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4fd1c7;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.5;
    color: #4a5568;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e2e8f0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #4fd1c7;
    border-color: #4fd1c7;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-weight: bold;
    font-size: 12px;
}

.checkbox-label a {
    color: #4fd1c7;
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* Map Section */
.map-section {
    padding: 80px 0;
    background: #1a202c;
}

.map-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    text-align: center;
    margin-bottom: 40px;
}

.map-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.map-container iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background: #0a0e1a;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: #f7fafc;
}

.faq-question h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0;
}

.faq-question i {
    color: #4fd1c7;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 30px 25px;
    max-height: 200px;
}

.faq-answer p {
    color: #718096;
    line-height: 1.6;
    margin: 0;
}

/* Certificate Search Section */
.certificate-search-section {
    padding: 80px 0;
    background: #0a0e1a;
}

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

.search-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.search-header p {
    font-size: 1.2rem;
    color: #a0aec0;
    margin-bottom: 40px;
    line-height: 1.6;
}

.search-form-container {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.certificate-search-form {
    display: grid;
    gap: 25px;
}

.certificate-search-form .form-group {
    text-align: left;
}

.certificate-search-form label {
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    font-size: 16px;
    display: block;
}

.certificate-search-form input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.certificate-search-form input:focus {
    outline: none;
    border-color: #4fd1c7;
}

.form-help {
    display: block;
    color: #718096;
    font-size: 14px;
    margin-top: 5px;
}

/* Search Results Section */
.search-results-section {
    padding: 80px 0;
    background: #1a202c;
}

.results-container {
    max-width: 800px;
    margin: 0 auto;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.results-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.certificate-result {
    background: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.certificate-valid {
    text-align: center;
    color: #48bb78;
}

.certificate-invalid {
    text-align: center;
    color: #e53e3e;
}

.certificate-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.certificate-status {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.certificate-details {
    background: #f7fafc;
    border-radius: 10px;
    padding: 30px;
    margin-top: 30px;
}

.certificate-details h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 20px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: #4a5568;
}

.detail-value {
    color: #2d3748;
}

/* Certificate Info Section */
.certificate-info-section {
    padding: 80px 0;
    background: #0a0e1a;
}

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

.info-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.info-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: #4fd1c7;
}

.info-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #4fd1c7, #38b2ac);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.info-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: white;
    margin-bottom: 15px;
}

.info-card p {
    color: #a0aec0;
    line-height: 1.6;
}

/* Help Section */
.help-section {
    padding: 80px 0;
    background: #1a202c;
}

.help-content {
    text-align: center;
    margin: 0 auto;
}

.help-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.help-content p {
    font-size: 1.2rem;
    color: #a0aec0;
    margin-bottom: 50px;
    line-height: 1.6;
}

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

.help-option {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.help-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.help-option i {
    font-size: 3rem;
    color: #4fd1c7;
    margin-bottom: 20px;
}

.help-option h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 10px;
}

.help-option p {
    color: #718096;
    margin-bottom: 20px;
    font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .popular-courses .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
    position: fixed;
    top: 148px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #1a202c;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 30px 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 999;
    overflow-y: auto;
    min-height: calc(100vh - 148px);
}
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        margin: 0;
        padding: 8px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        list-style: none;
        text-align: center;
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-link {
        font-size: 18px;
        padding: 10px 0;
        display: block;
        width: 100%;
        color: white;
        text-decoration: none;
        font-weight: 500;
        transition: color 0.3s ease;
    }
    
    .nav-link:hover,
    .nav-link.active {
        color: #4fd1c7;
    }
    
    
    /* Hamburger animation - X shape */
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 25px;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .popular-courses .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .floating-buttons {
        right: 20px;
        bottom: 20px;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }
    
    .course-card-large {
        grid-template-columns: 1fr;
    }
    
    .course-card-large .course-image {
        height: 250px;
    }
    
    .course-card-large .course-content {
        padding: 30px 20px;
    }
    
    .course-card-large .course-content h3 {
        font-size: 1.5rem;
    }
    
    .course-card-large .course-price {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-text h2 {
        font-size: 2rem;
    }
    
    .about-image img {
        height: 300px;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .instructor-info {
    flex-direction: column;
    text-align: center;
    align-items: center;
}
    
    .instructor-stats {
    justify-content: center;
    flex-direction: column;
}
    
    .course-detail-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .results-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .results-header h2 {
        font-size: 2rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .help-options {
        grid-template-columns: 1fr;
    }
    
    .search-form-container {
        padding: 30px 20px;
    }
    
    .certificate-result {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: 14px 28px;
        font-size: 14px;
    }
}

/* Form Validation Error Styles */
.error {
    border: 2px solid #e74c3c !important;
    background-color: #fdf2f2 !important;
}

.error:focus {
    border-color: #e74c3c !important;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1) !important;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: center;
    margin-bottom: 10px;
    margin-top: 10px;
}