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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Typography - Following NYC Educational Standards */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: #2c3e50;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.7;
}

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

/* Header and Navigation */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 60px;
    width: 60px;
    object-fit: contain;
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(27, 82, 118, 0.2);
    transition: transform 0.3s ease;
}

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

.logo-text h1 {
    color: #1B5276;
    font-size: 1.8rem;
    margin-bottom: 0;
    font-weight: 700;
}

.logo-text .tagline {
    font-size: 0.85rem;
    color: #666;
    margin: 0;
    font-weight: 400;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #1B5276;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: #1B5276;
}


/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fbff 0%, #e8f4fd 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-placeholder {
    width: 400px;
    height: 300px;
    background: linear-gradient(135deg, #1B5276, #5DADE2);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    box-shadow: 0 20px 40px rgba(7, 89, 172, 0.3);
}

.hero-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.hero-placeholder p {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #1B5276;
    color: white;
}

.btn-primary:hover {
    background: #5DADE2;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(7, 89, 172, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #1B5276;
    border: 2px solid #1B5276;
}

.btn-secondary:hover {
    background: #1B5276;
    color: white;
    transform: translateY(-2px);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f0f0f0;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1B5276, #5DADE2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 100px 0;
    background: #f8f9ff;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

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

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature i {
    color: #1B5276;
    font-size: 1.5rem;
    margin-top: 0.2rem;
}

.feature h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.feature p {
    color: #666;
    margin: 0;
    font-size: 0.95rem;
}

.about-methods {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.about-methods h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
}

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

.methods-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    margin-bottom: 1rem;
    color: #666;
    font-size: 0.95rem;
}

.methods-list i {
    color: #1B5276;
    margin-top: 0.2rem;
    font-size: 0.8rem;
}

/* Teachers Section */
.teachers-info {
    margin-bottom: 2rem;
}

.teachers-info h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.teachers-info p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.institution-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: #f8fbff;
    border-radius: 8px;
    border-left: 3px solid #1B5276;
    transition: background 0.3s ease;
}

.institution-item:hover {
    background: #e6eef7;
}

.institution-item i {
    color: #1B5276;
    font-size: 1.1rem;
    width: 20px;
}

.institution-item span {
    color: #2c3e50;
    font-weight: 500;
    font-size: 0.9rem;
}

.institution-item span a {
    color: #1B5276;
    text-decoration: none;
    transition: color 0.3s ease;
}

.institution-item span a:hover {
    color: #5DADE2;
    text-decoration: underline;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: #fff;
}

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

.testimonial {
    background: #f8fbff;
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #1B5276;
}

.testimonial-content p {
    font-style: italic;
    color: #555;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.6;
}

.testimonial-author strong {
    color: #2c3e50;
    display: block;
    margin-bottom: 0.3rem;
}

.testimonial-author span {
    color: #666;
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #f8fbff;
}

.map-container {
    margin-top: 2rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.map-container iframe {
    border-radius: 15px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item i {
    color: #1B5276;
    font-size: 1.5rem;
    margin-top: 0.2rem;
    width: 24px;
}

.contact-item h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-item p {
    color: #666;
    margin: 0;
    line-height: 1.5;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    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: #1B5276;
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: #fff;
    margin: 10% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 400px;
    position: relative;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.close:hover {
    color: #000;
}


/* Footer */
.footer {
    background: #1B5276;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #bdc3c7;
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #5DADE2;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: #5DADE2;
}

.footer-bottom {
    border-top: 1px solid #5DADE2;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #bdc3c7;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: #1B5276;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

.accessibility-note {
    font-size: 0.8rem !important;
    color: #95a5a6 !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-logo {
        gap: 0.5rem;
    }
    
    .logo-img {
        height: 45px;
    }
    
    .logo-text h1 {
        font-size: 1.4rem;
    }
    
    .logo-text .tagline {
        font-size: 0.75rem;
    }
    
    .institutions-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .institution-item {
        padding: 0.6rem;
    }
    
    .institution-item span {
        font-size: 0.85rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-placeholder {
        width: 300px;
        height: 200px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .map-container {
        margin-top: 1.5rem;
    }
    
    .map-container iframe {
        height: 200px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for keyboard navigation */
.btn:focus,
.nav-link:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #1B5276;
    outline-offset: 2px;
}

/* Grade Level Modal Styles */
.grade-level-option {
    text-decoration: none;
    color: inherit;
}

.grade-level-option:hover {
    text-decoration: none;
    color: inherit;
}

.k12-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.regents-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

/* Gold accent color for highlights */
.gold-accent {
    color: #F1C40F;
}

.gold-bg {
    background-color: #F1C40F;
}

.gold-border {
    border-color: #F1C40F;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .service-card,
    .testimonial,
    .contact-form {
        border: 2px solid #000;
    }
    
    .btn-secondary {
        border-width: 3px;
    }
}