/* ==========================================
   MAZHAR SCHOOL SYSTEM - OPTIMIZED CSS
   ========================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #264653;
    --secondary: #2A9D8F;
    --accent-yellow: #E9C46A;
    --accent-sandy: #F4A261;
    --accent-orange: #E76F51;
    --white: #ffffff;
    --black: #111827;
    --gray-light: #F0F5FA;
    --gray: #D1D5DB;
    --gray-dark: #334155;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-heading: inherit;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: var(--white);
    padding: var(--space-sm);
    z-index: 9999;
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--black);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--space-md);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Header */
.site-header {
    background-color: var(--primary);
    padding: var(--space-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-branding img {
    height: 50px;
    width: auto;
}

/* Navigation */
.main-navigation {
    position: relative;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--white);
    left: 0;
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    bottom: -6px;
}

.primary-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.primary-menu > li > a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    transition: color var(--transition-fast);
}

.primary-menu > li > a:hover,
.primary-menu > li > a:focus {
    color: var(--accent-yellow);
}

.sub-menu {
    position: absolute;
    background: var(--white);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--space-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.menu-item-has-children:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu a {
    color: var(--black);
    padding: var(--space-xs) var(--space-md);
    display: block;
    text-decoration: none;
}

.sub-menu a:hover {
    background: var(--gray-light);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--gray-light) 0%, var(--white) 100%);
    padding: var(--space-xxl) 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero-logo img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.hero-content h1 {
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.tagline {
    color: var(--secondary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.description {
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-orange);
    color: var(--white);
}

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

.btn-secondary {
    background-color: var(--primary);
    color: var(--accent-yellow);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background-color: transparent;
    color: var(--primary);
}

/* Programs Section */
.programs-section {
    background-color: var(--accent-yellow);
    padding: var(--space-xxl) 0;
    text-align: center;
}

.programs-section h2 {
    color: var(--primary);
    margin-bottom: var(--space-xl);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
    max-width: 800px;
    margin: 0 auto;
}

.program-card {
    background: var(--white);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
}

.program-card:hover {
    transform: translateY(-4px);
}

/* About Section */
.about-section {
    padding: var(--space-xxl) 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.about-content h2 {
    color: var(--primary);
}

.highlight {
    color: var(--accent-orange);
    font-weight: 600;
    font-size: 1.2rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 10px 10px 0 var(--accent-sandy);
}

/* Campuses Section */
.campuses-section {
    background-color: var(--secondary);
    padding: var(--space-xxl) 0;
    color: var(--white);
}

.campuses-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-xl);
}

.campuses-content h2 {
    color: var(--accent-yellow);
    margin-bottom: var(--space-md);
}

.campuses-list {
    display: grid;
    gap: var(--space-lg);
}

.campus-item h3 {
    color: var(--accent-yellow);
    margin-bottom: var(--space-xs);
}

/* FAQ Section */
.faq-section {
    padding: var(--space-xxl) 0;
    background: var(--white);
}

.faq-section h2 {
    text-align: center;
    color: var(--primary);
    margin-bottom: var(--space-xl);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    max-width: 800px;
    margin: 0 auto;
}

.faq-item h3 {
    color: var(--accent-orange);
    margin-bottom: var(--space-sm);
}

/* CTA Section */
.cta-section {
    background-color: var(--primary);
    padding: var(--space-xxl) 0;
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    color: var(--accent-yellow);
    margin-bottom: var(--space-sm);
}

.cta-content p {
    margin-bottom: var(--space-xl);
}

/* Footer */
.site-footer {
    background-color: var(--white);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--gray);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.copyright {
    color: var(--gray-dark);
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    color: var(--primary);
    text-decoration: none;
}

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

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background: var(--primary);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

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

section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

section.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-grid,
    .about-grid,
    .campuses-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .menu-toggle {
        display: block;
    }
    
    .primary-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--primary);
        flex-direction: column;
        padding: var(--space-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all var(--transition-base);
    }
    
    .primary-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.1);
        margin-left: var(--space-md);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-section {
        padding: var(--space-xl) 0;
        min-height: auto;
    }
    
    .programs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}