:root {
    --primary-color: #87CEEB;
    --secondary-color: #000000;
    --tertiary-color: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary-color), #4682B4);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    --border-radius: 15px;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--secondary-color);
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    min-width: 200px;
    z-index: 100;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown a {
    display: block;
    padding: 0.8rem 1.2rem;
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown a:hover {
    background: var(--primary-color);
    color: white;
}

.auth-btn {
    text-decoration: none;
    background: var(--gradient);
    color: white;
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.auth-btn:hover {
    transform: translateY(-2px);
}

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

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--secondary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Enhanced Hero Section with Image Slider */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    margin-top: 80px;
    z-index: 1;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-slide.active {
    opacity: 1;
}

/* Enhanced background images for slides */
.hero-slide:nth-child(1) {
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), 
                        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(135,206,235,0.1)" stroke-width="1"/></pattern></defs><rect width="1200" height="800" fill="%2387CEEB"/><rect width="1200" height="800" fill="url(%23grid)"/><circle cx="200" cy="150" r="80" fill="rgba(255,255,255,0.1)"/><circle cx="1000" cy="200" r="60" fill="rgba(255,255,255,0.1)"/><circle cx="800" cy="600" r="100" fill="rgba(255,255,255,0.1)"/><rect x="100" y="300" width="150" height="100" fill="rgba(255,255,255,0.1)" rx="10"/><rect x="950" y="450" width="120" height="80" fill="rgba(255,255,255,0.1)" rx="10"/></svg>');
}

.hero-slide:nth-child(2) {
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), 
                        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="circuit" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M20,20 L80,20 L80,80 L20,80 Z" fill="none" stroke="rgba(70,130,180,0.1)" stroke-width="2"/><circle cx="20" cy="20" r="3" fill="rgba(70,130,180,0.2)"/><circle cx="80" cy="80" r="3" fill="rgba(70,130,180,0.2)"/></pattern></defs><rect width="1200" height="800" fill="%234682B4"/><rect width="1200" height="800" fill="url(%23circuit)"/><polygon points="300,200 400,150 500,250 400,300" fill="rgba(255,255,255,0.1)"/><polygon points="700,400 800,350 900,450 800,500" fill="rgba(255,255,255,0.1)"/></svg>');
}

.hero-slide:nth-child(3) {
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), 
                        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="tech" width="80" height="80" patternUnits="userSpaceOnUse"><rect x="10" y="10" width="60" height="60" fill="none" stroke="rgba(135,206,235,0.1)" stroke-width="1"/><circle cx="40" cy="40" r="15" fill="rgba(135,206,235,0.1)"/></pattern></defs><rect width="1200" height="800" fill="%23000000"/><rect width="1200" height="800" fill="url(%23tech)"/><rect x="150" y="100" width="200" height="120" fill="rgba(135,206,235,0.1)" rx="15"/><rect x="850" y="500" width="150" height="100" fill="rgba(135,206,235,0.1)" rx="15"/><circle cx="600" cy="200" r="50" fill="rgba(135,206,235,0.1)"/></svg>');
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 10;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.cta-button {
    background: var(--gradient);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.4s both;
    box-shadow: 0 5px 15px rgba(135, 206, 235, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(135, 206, 235, 0.4);
}

/* Navigation Controls */
.slider-controls {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 20;
}

.slider-nav {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.slider-nav:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.slider-nav.prev {
    margin-right: 1rem;
}

.slider-nav.next {
    margin-left: 1rem;
}

/* Slide Indicators */
.slide-indicators {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.8rem;
    z-index: 15;
    margin-bottom: 80px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.indicator.active {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.2);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: scale(1.1);
}

/* Progress Bar */
.slider-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 4px;
    background: var(--primary-color);
    transition: width 3s linear;
    z-index: 15;
}

/* Marquee Section */
.marquee-section {
    background: var(--secondary-color);
    padding: 2rem 0;
    overflow: hidden;
    position: relative;
    z-index: 2;
}

.marquee {
    white-space: nowrap;
    animation: scroll 30s linear infinite;
}

.marquee span {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
    padding: 0 4rem;
}

@keyframes scroll {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Quick Actions Section */
.quick-actions {
    padding: 5rem 5%;
    background: #f8f9fa;
    position: relative;
    z-index: 2;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.action-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
    cursor: pointer;
}

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

.action-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Job Oriented Courses */
.job-courses {
    padding: 5rem 5%;
    background: white;
    position: relative;
    z-index: 2;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.course-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

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

.course-image {
    width: 100%;
    height: 200px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.course-content {
    padding: 1.5rem;
}

.course-rating {
    color: #ffd700;
    margin-bottom: 0.5rem;
}

.course-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.course-duration {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

/* Study Material Section */
.study-material {
    padding: 5rem 5%;
    background: #f8f9fa;
    position: relative;
    z-index: 2;
}

.material-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.material-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

.material-card:hover {
    transform: translateY(-5px);
}

.download-btn {
    background: var(--gradient);
    color: white;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    margin-top: 1rem;
    transition: transform 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-2px);
}

/* Featured Courses */
.featured-courses {
    padding: 5rem 5%;
    background: white;
    position: relative;
    z-index: 2;
}

.course-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.category-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
}

.category-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

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

.category-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    transition: color 0.3s ease;
}

.category-list li:hover {
    color: var(--primary-color);
    cursor: pointer;
}

/* About Us */
.about-us {
    padding: 5rem 5%;
    background: #f8f9fa;
    position: relative;
    z-index: 2;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.about-image img {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Gallery */
.gallery {
    padding: 5rem 5%;
    background: white;
    position: relative;
    z-index: 2;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    background: var(--gradient);
    height: 200px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    transition: opacity 0.3s ease;
}

.gallery-item:hover::before {
    opacity: 0.7;
}

.gallery-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    text-align: center;
}

/* Sponsors */
.sponsors {
    padding: 3rem 5%;
    background: #f8f9fa;
    position: relative;
    z-index: 2;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    align-items: center;
}

.sponsor-logo {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.sponsor-logo:hover {
    transform: translateY(-5px);
}

/* Contact */
.contact {
    padding: 5rem 5%;
    background: white;
    position: relative;
    z-index: 2;
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: var(--border-radius);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-item i {
    color: var(--primary-color);
    margin-right: 1rem;
    width: 20px;
}

.map {
    background: #eee;
    border-radius: var(--border-radius);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 3rem 5% 1rem;
    position: relative;
    z-index: 2;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.social-link {
    color: white;
    font-size: 1.5rem;
    padding: 1rem;
    background: var(--primary-color);
    border-radius: 50%;
    transition: transform 0.3s ease;
    text-decoration: none;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.footer-text {
    border-top: 1px solid #333;
    padding-top: 1rem;
    margin-top: 2rem;
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Form Styles */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.form-input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(135, 206, 235, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
}

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

.loading {
    display: none;
    text-align: center;
    margin-top: 1rem;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

.response-message {
    display: none;
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

.response-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.response-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .slider-controls {
        bottom: 1rem;
    }

    .slider-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .slide-indicators {
        margin-bottom: 60px;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .stats-container {
        grid-template-columns: 1fr;
    }
}

/* Pages Heading */
/* Main Content */
.main-content {
    margin-top: 80px;
    padding: 3rem 5%;
    min-height: calc(100vh - 200px);
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-title {
    font-size: 3rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}