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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #4a3a2a;
    --accent-color: #d4af37;
    --text-color: #ffffff;
    --text-secondary: #cccccc;
    --border-color: #333333;
    --card-bg: rgba(255, 255, 255, 0.05);
    --gradient-primary: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    --gradient-accent: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--primary-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    min-height: 100vh;
    background: var(--gradient-primary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

/* Video Background */
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: 1;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.7;
    transition: opacity 0.5s ease;
}

/* Fallback for when video fails to load */
.video-background[src=""] {
    display: none;
}

/* Video loading state */
.video-background.loading {
    opacity: 0;
}

.video-background.loaded {
    opacity: 0.7;
}

/* Mobile optimization for video */
@media (max-width: 768px) {
    .video-background {
        opacity: 0.5;
    }
    
    .video-background.loaded {
        opacity: 0.5;
    }
}

.header::after,
.header::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--secondary-color) 0%, transparent 70%);
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
    z-index: 2;
}

.header::after {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.header::before {
    bottom: 20%;
    right: 10%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.1); }
}

.logo-section {
    text-align: center;
    z-index: 3;
    position: relative;
}

.logo {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease-out;
}

.logo-icon {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 3rem;
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.4));
    animation: pulse 2s ease-in-out infinite;
    border: 3px solid var(--accent-color);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
    transform: scale(1.86);
}

@keyframes pulse {
    0%, 100% { transform: scale(1.86); }
    50% { transform: scale(1.95); }
}

.main-title {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: 1rem;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.2s both;
    line-height: 1.1;
}

.subtitle {
    font-size: 1.4rem;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.4s both;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.4;
}

.slogan {
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 1px;
    opacity: 0.8;
    animation: fadeInUp 1s ease-out 0.6s both;
}

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

/* Header Navigation Styles */
.header-navigation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 10;
    transition: var(--transition);
}

.header-nav-list {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 3rem;
    padding: 1rem 0;
    margin: 0;
}

.header-nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

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

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

.header-nav-link:hover {
    color: var(--accent-color);
    background: rgba(255, 102, 0, 0.1);
}

/* Main Navigation Styles */
.navigation {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-100%);
}

.navigation.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-list {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 3rem;
    padding: 1.5rem 0;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

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

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

.nav-link:hover {
    color: var(--accent-color);
    background: rgba(0, 100, 0, 0.1);
}

/* Main Content Styles */
.main-content {
    background: var(--primary-color);
}

.section {
    padding: 5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.section:last-child {
    border-bottom: none;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: 2px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

/* Info Content Styles */
.info-content {
    max-width: 1000px;
    margin: 0 auto;
}

.info-section {
    margin-bottom: 4rem;
}

.info-subtitle {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
}

.info-subtitle::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
}

.info-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Mission Vision Grid */
.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.mission-vision-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

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

.mission-vision-card .card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.mission-vision-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.mission-vision-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Value List */
.value-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
}

.value-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.value-list li:last-child {
    border-bottom: none;
}

.check-icon {
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

/* Problems Grid */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.problem-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.problem-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-light);
    border-color: var(--accent-color);
}

.problem-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.benefit-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.benefit-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-light);
    border-color: var(--accent-color);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.benefit-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.cta-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.cta-button {
    background: var(--gradient-accent);
    color: var(--text-color);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.cta-button:active {
    transform: translateY(0);
}

/* Services Grid Styles */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.service-card:nth-child(4) {
    grid-column: 1 / 2;
}

.service-card:nth-child(5) {
    grid-column: 2 / 3;
}

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

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
    text-align: center;
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.service-features li {
    padding: 0.4rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.2rem;
    font-size: 0.9rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.service-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-align: center;
    margin-bottom: 1rem;
}

.service-btn {
    background: var(--accent-color);
    color: var(--text-color);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 100%;
}

.service-btn:hover {
    background: #b8860b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

/* About Section Styles */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-light);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Contact Section Styles */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--accent-color);
    transform: translateX(5px);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 100, 0, 0.1);
}

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

.submit-btn {
    background: var(--gradient-accent);
    color: var(--text-color);
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Footer Styles */
.footer {
    background: rgba(0, 0, 0, 0.9);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding-top: 120px;
    }
    
    .main-title {
        font-size: 2.5rem;
        letter-spacing: 2px;
    }
    
    .subtitle {
        font-size: 1.2rem;
        letter-spacing: 1px;
    }
    
    .logo-icon {
        width: 210px;
        height: 210px;
        transform: scale(1.86);
        margin-bottom: 2.5rem;
    }
    
    .nav-list,
    .header-nav-list {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 0;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .mission-vision-grid {
        grid-template-columns: 1fr;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card:nth-child(4),
    .service-card:nth-child(5) {
        grid-column: auto;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding-top: 140px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .main-title {
        font-size: 2rem;
        letter-spacing: 1px;
    }
    
    .subtitle {
        font-size: 1rem;
        letter-spacing: 0.5px;
    }
    
    .slogan {
        font-size: 0.9rem;
    }
    
    .logo-icon {
        width: 168px;
        height: 168px;
        transform: scale(1.86);
        margin-bottom: 2rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--primary-color);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #008000;
}

/* Loading Animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Floating Course Slide Styles */
.floating-slide {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 320px;
    background: var(--gradient-primary);
    border: 1px solid var(--accent-color);
    border-radius: 16px;
    box-shadow: var(--shadow-heavy);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transform: translateX(-100%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: none;
}

.floating-slide.show {
    transform: translateX(0);
    opacity: 1;
}

.floating-slide.hide {
    transform: translateX(-100%);
    opacity: 0;
}

@keyframes slideInFromLeft {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-content {
    padding: 1.5rem;
    position: relative;
}

.slide-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    position: relative;
}

.slide-icon {
    font-size: 1.8rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-5px);
    }
    60% {
        transform: translateY(-3px);
    }
}

.slide-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    flex: 1;
}

.slide-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.2rem;
    border-radius: 4px;
    transition: var(--transition);
    line-height: 1;
}

.slide-close:hover {
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
}

.slide-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.slide-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.slide-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-tag {
    background: rgba(212, 175, 55, 0.2);
    color: var(--accent-color);
    padding: 0.3rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.slide-cta-button {
    background: var(--gradient-accent);
    color: var(--text-color);
    text-decoration: none;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.slide-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    background: linear-gradient(135deg, #b8860b 0%, #d4af37 100%);
}

.cta-arrow {
    transition: var(--transition);
}

.slide-cta-button:hover .cta-arrow {
    transform: translateX(3px);
}

/* Floating slide entrance animation */
@keyframes slideInFromLeft {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .floating-slide {
        width: 280px;
        top: 15px;
        left: 15px;
    }
    
    .slide-content {
        padding: 1.2rem;
    }
    
    .slide-title {
        font-size: 1rem;
    }
    
    .slide-description {
        font-size: 0.85rem;
    }
    
    .feature-tag {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }
    
    .slide-cta-button {
        padding: 0.7rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .floating-slide {
        width: calc(100vw - 30px);
        max-width: 300px;
    }
}