/* ===== CSS Variables ===== */
:root {
    /* Color System */
    --primary-700: #003366;
    --primary-500: #0057B7;
    --primary-100: #E6F0FF;
    
    --neutral-900: #1A202C;
    --neutral-700: #4A5568;
    --neutral-200: #E2E8F0;
    --neutral-100: #F8F9FA;
    --neutral-50: #FFFFFF;
    
    --success: #28A745;
    --warning: #FFC107;
    --error: #DC3545;
    
    /* Typography */
    --font-family: 'Tajawal', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Font Sizes */
    --text-xs: 14px;
    --text-base: 18px;
    --text-lg: 20px;
    --text-xl: 24px;
    --text-2xl: 36px;
    --text-3xl: 48px;
    
    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-snug: 1.3;
    --line-height-normal: 1.4;
    --line-height-relaxed: 1.7;
    --line-height-loose: 1.5;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    --spacing-xxxl: 96px;
    
    /* Border Radius */
    --border-radius: 12px;
    --border-radius-lg: 16px;
    
    /* Shadows */
    --shadow-md: 0px 4px 12px rgba(0, 51, 102, 0.08);
    --shadow-lg: 0px 10px 24px rgba(0, 51, 102, 0.12);
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.4s ease;
    --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* Container */
    --container-max-width: 1280px;
}

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

html {
    scroll-behavior: smooth;
    direction: rtl;
}

body {
    font-family: var(--font-family);
    font-size: var(--text-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-relaxed);
    color: var(--neutral-900);
    background-color: var(--neutral-50);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ===== Utility Classes ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-smooth);
}

.fade-in-up.animate {
    opacity: 1;
    transform: translateY(0);
}

.section-header {
    margin-bottom: var(--spacing-xxxl);
}

.section-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-snug);
    color: var(--primary-700);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--neutral-700);
    margin-bottom: var(--spacing-md);
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-700), var(--primary-500));
    margin: 0 auto;
    border-radius: 2px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--neutral-50);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
}

.logo {
    height: 60px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--neutral-700);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-700);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--primary-500);
    transition: width var(--transition-normal);
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-700);
    margin: 3px 0;
    transition: var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 32, 44, 0.6);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--neutral-50);
}

.hero-title {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-normal);
    color: var(--neutral-200);
    margin-bottom: var(--spacing-xl);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--primary-700);
    color: var(--neutral-50);
    padding: 16px 32px;
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    background: var(--primary-500);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border: 2px solid var(--neutral-50);
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===== About Section ===== */
.about {
    padding: var(--spacing-xxxl) 0;
    background: var(--neutral-100);
}

.about-content {
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-description {
    font-size: var(--text-lg);
    color: var(--neutral-700);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--neutral-50);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-4px);
}

.stat-number {
    font-size: 48px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-700);
    line-height: var(--line-height-tight);
}

.stat-label {
    font-size: var(--text-base);
    color: var(--neutral-700);
    margin-top: var(--spacing-xs);
}

/* ===== Services Section ===== */
.services {
    padding: var(--spacing-xxxl) 0;
}

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

.service-card {
    background: var(--neutral-100);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.service-icon i {
    font-size: 24px;
    color: var(--primary-700);
}

.service-title {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: var(--neutral-900);
    margin-bottom: var(--spacing-xs);
}

.service-description {
    font-size: var(--text-sm);
    color: var(--neutral-700);
}

/* ===== Why Us Section ===== */
.why-us {
    padding: var(--spacing-xxxl) 0;
    background: var(--neutral-100);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.why-us-card {
    background: var(--neutral-50);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-smooth);
}

.why-us-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.why-us-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-700), var(--primary-500));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.why-us-icon i {
    font-size: 32px;
    color: var(--neutral-50);
}

.why-us-title {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--primary-700);
    margin-bottom: var(--spacing-sm);
}

.why-us-description {
    color: var(--neutral-700);
    line-height: var(--line-height-normal);
}

/* ===== Gallery Section ===== */
.gallery {
    padding: var(--spacing-xxxl) 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-smooth);
}

.gallery-item:hover {
    transform: scale(1.03);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 51, 102, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    font-size: 48px;
    color: var(--neutral-50);
}

/* ===== Contact Section ===== */
.contact {
    padding: var(--spacing-xxxl) 0;
    background: var(--neutral-100);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxxl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--neutral-50);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 20px;
    color: var(--neutral-50);
}

.contact-details h4 {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: var(--primary-700);
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--neutral-700);
}

.contact-form-wrapper {
    background: var(--neutral-50);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid var(--neutral-200);
    border-radius: var(--border-radius);
    background: var(--neutral-50);
    font-size: var(--text-base);
    font-family: var(--font-family);
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(0, 87, 183, 0.1);
}

.form-group label {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--neutral-50);
    padding: 0 var(--spacing-xs);
    color: var(--neutral-700);
    font-size: var(--text-base);
    transition: all var(--transition-normal);
    pointer-events: none;
}

.form-group textarea + label {
    top: 16px;
    transform: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -8px;
    right: 12px;
    font-size: 12px;
    color: var(--primary-500);
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    background: var(--primary-700);
    color: var(--neutral-50);
    padding: 16px 32px;
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-family);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.submit-btn:hover {
    background: var(--primary-500);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.map-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ===== Footer ===== */
.footer {
    background: var(--primary-700);
    color: var(--neutral-50);
    padding: var(--spacing-xxl) 0 var(--spacing-md);
}

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

.footer-logo {
    text-align: center;
}

.footer-logo-img {
    height: 80px;
    width: auto;
    margin: 0 auto var(--spacing-sm);
    filter: brightness(0) invert(1);
}

.footer-logo h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

.footer-logo p {
    color: var(--neutral-200);
}

.footer-links h4,
.footer-contact h4 {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--neutral-50);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: var(--neutral-200);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--neutral-50);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    color: var(--neutral-200);
}

.footer-contact i {
    width: 16px;
    text-align: center;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--primary-500);
    color: var(--neutral-200);
}

/* ===== Lightbox ===== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 48px;
    color: var(--neutral-50);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--neutral-200);
}

.lightbox-img {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--border-radius);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-stats {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xxxl: 64px;
        --text-3xl: 36px;
        --text-2xl: 28px;
    }
    
    .hero {
        height: 400px;
    }
    
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--neutral-50);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-xxl);
        gap: var(--spacing-lg);
        transition: right var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .lightbox-close {
        top: 10px;
        right: 10px;
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero {
        height: 350px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .cta-button {
        padding: 14px 24px;
        font-size: 14px;
    }
    
    .service-card,
    .why-us-card,
    .contact-item {
        padding: var(--spacing-sm);
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-sm);
    }
}

/* ===== Print Styles ===== */
@media print {
    .navbar,
    .footer,
    .lightbox,
    .cta-button,
    .contact-form {
        display: none;
    }
    
    .hero {
        height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-overlay {
        display: none;
    }
    
    .hero-content {
        color: var(--neutral-900);
    }
}