/* CSS Custom Properties */
:root {
    --primary: #6ec6ff;
    --secondary: #b3e5fc;
    --accent: #ffb74d;
    --dark: #0288d1;
    --light: #f8f9fa;
    --text: #333;
    --text-light: #666;
    --success: #81c784;
    --pastel-pink: #ffcdd2;
    --pastel-blue: #bbdefb;
    --pastel-green: #c8e6c9;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --border-radius: 10px;
}

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

body {
    font-family: 'Poppins', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--light);
    padding-top: 100px;
    position: relative;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 1rem;
    font-family: 'Comfortaa', cursive;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: var(--transition);
}

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

/* Layout Components */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

section {
    padding: 4rem 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 3px;
    background: var(--accent);
    bottom: -10px;
    left: 25%;
}

/* Header Styles */
header {
    background-color: white;
    box-shadow: var(--shadow-light);
    position: fixed;
    width: 100%;
    z-index: 1000;
    height: 100px;
    display: flex;
    align-items: center;
    top: 0;
    transition: height 0.3s ease;
}

header.scrolled {
    height: 80px;
    box-shadow: var(--shadow-medium);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    font-family: 'Comfortaa', cursive;
    white-space: nowrap;
    margin-left: -15px;
}

.logo i {
    margin-right: 10px;
    font-size: 1.5rem;
}

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

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

.nav-links a {
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--accent);
    bottom: -5px;
    left: 0;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.8rem;
    color: var(--primary);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 100px;
    left: 0;
    width: 100%;
    background: white;
    box-shadow: var(--shadow-light);
    z-index: 999;
    padding: 1rem 0;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-links {
    list-style: none;
}

.mobile-nav-links li {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #eee;
}

.mobile-nav-links a {
    font-weight: 500;
    display: block;
    font-size: 1.1rem;
}

.mobile-nav-links .btn {
    display: inline-block;
    margin: 1rem 1.5rem;
    padding: 0.8rem 1.5rem;
    font-size: 1.1rem;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    background: var(--accent);
    color: white;
    border-radius: 30px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    background: linear-gradient(rgba(110, 198, 255, 0.8), rgba(179, 229, 252, 0.8)), url('paeds.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero .container {
    width: 100%;
}

.hero h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* About Section */
.about {
    background: white;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.about-img {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    position: relative;
}

.about-img img {
    width: 50%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.about-img:hover img {
    transform: scale(1.05);
}

.about-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

/* Services Section */
.services {
    background: var(--pastel-blue);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

.service-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Testimonials Section */
.testimonials {
    background: var(--pastel-pink);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 5rem;
    color: var(--primary);
    opacity: 0.2;
    font-family: Georgia, serif;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    font-weight: 600;
    color: var(--dark);
}

.rating {
    color: var(--accent);
    margin-bottom: 0.5rem;
}

/* Resources Section */
.resources {
    background: var(--pastel-green);
}

.resource-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.7rem 1.5rem;
    background: white;
    border: none;
    border-radius: 30px;
    margin: 0 0.5rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.tab-btn.active {
    background: var(--primary);
    color: white;
}

.tab-btn:hover:not(.active) {
    background: var(--secondary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* Optimized Video Section */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.video-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
}

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

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    background: #000;
}

.video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.play-button:hover {
    background: white;
    transform: translate(-50%, -50%) scale(1.1);
}

.video-iframe-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.video-info {
    padding: 1.5rem;
}

.video-info h4 {
    margin: 0 0 0.5rem 0;
    color: var(--dark);
    font-size: 1.1rem;
}

.video-info p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Blog Section */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
}

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

.blog-img {
    height: 550px;
    overflow: hidden;
}

.blog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.blog-content {
    padding: 1.5rem;
}

.blog-date {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact {
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    margin-bottom: 2rem;
}

.contact-info i {
    color: var(--primary);
    margin-right: 0.5rem;
    width: 20px;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.contact-links a {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: var(--light);
    border-radius: 30px;
    transition: var(--transition);
}

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

.contact-links a i {
    margin-right: 0.5rem;
}

/* Form Styles */
.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(110, 198, 255, 0.2);
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

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

.form-error {
    color: #dc3545;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    padding: 10px 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    text-align: center;
}

.form-success {
    color: #28a745;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    padding: 10px 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    text-align: center;
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: left;
    margin-bottom: 2rem;
}

.footer-col h3 {
    color: white;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 2px;
    background: var(--accent);
    bottom: -8px;
    left: 0;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Reviews Section */
.reviews {
    background: var(--light);
}

.review-btn {
    display: inline-block;
    margin-top: 2rem;
    background: var(--primary);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-weight: 500;
    transition: var(--transition);
}

.review-btn:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.review-btn i {
    margin-right: 0.5rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 100;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-5px);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--primary);
    transform: rotate(90deg);
}

.modal-icon {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 1rem;
}

.modal h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.modal p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Animation Classes */
.service-card,
.about-content,
.contact-info,
.contact-form,
.testimonial-card,
.video-card,
.blog-card {
    animation: fadeIn 0.6s ease forwards;
    opacity: 0;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }
.service-card:nth-child(7) { animation-delay: 0.7s; }
.service-card:nth-child(8) { animation-delay: 0.8s; }
.service-card:nth-child(9) { animation-delay: 0.9s; }
.service-card:nth-child(10) { animation-delay: 1.0s; }

/* Loading States */
.btn .fa-spinner {
    margin-right: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .about-img {
        order: -1;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
        padding: 0 10px;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .service-card,
    .testimonial-card,
    .blog-card {
        padding: 1.5rem;
    }
}

/* Performance Optimizations */
.video-thumbnail img,
.blog-img img,
.about-img img {
    will-change: transform;
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for better accessibility */
.btn:focus,
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary: #0066cc;
        --accent: #ff6600;
        --text: #000000;
        --text-light: #333333;
    }
}