/* ==========================================
   WADY EL NILE - ENHANCED DESIGN SYSTEM
   Premium Interactive Design with Original Images
   ========================================== */

/* CSS RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* CSS VARIABLES */
:root {
    --primary: #1a4d7a;
    --primary-dark: #133a5c;
    --primary-light: #2d6da8;
    --secondary: #d4a745;
    --secondary-dark: #b8902e;
    --accent: #4a90c8;
    
    --text-primary: #2c3e50;
    --text-secondary: #5a6c7d;
    --text-light: #8492a6;
    --bg-primary: #ffffff;
    --bg-secondary: #f7f9fc;
    --bg-dark: #1e2a38;
    --border-color: #e1e8ed;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.25);
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;
    
    --max-width: 1200px;
    --header-height: 80px;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

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

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

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    color: white;
}

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

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

/* LAYOUT */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-dark {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #2c3e50 100%);
    color: white;
}

.section-light {
    background: var(--bg-secondary);
}

/* HEADER */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

/* FLOATING CONTACT BAR */
.floating-contact-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #000C23 0%, #1a2332 100%);
    color: white;
    z-index: 1100;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.floating-contact-bar.contact-bar-hidden {
    transform: translateY(-100%);
}

.contact-bar-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.contact-item i {
    color: var(--secondary);
    font-size: 1rem;
}

.contact-item:hover {
    color: var(--secondary);
    transform: translateY(-2px);
}

/* Adjust header position to account for contact bar */
.header {
    top: 45px;
}

.floating-contact-bar.contact-bar-hidden ~ .header {
    top: 0;
    transition: top 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
    padding: 0 var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    background-color: var(--primary);
    padding: 5px 15px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    transition: transform var(--transition-base);
}

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

.nav-desktop {
    display: none;
}

.nav-desktop ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-desktop a {
    color: var(--text-primary);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    position: relative;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: 0.5px;
}

.nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--secondary);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.nav-desktop a:hover::after,
.nav-desktop a.active::after {
    width: 100%;
}

/* MOBILE MENU */
.menu-toggle {
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--primary);
    cursor: pointer;
    display: block;
    padding: var(--spacing-xs);
    transition: transform var(--transition-base);
}

.menu-toggle:hover {
    transform: scale(1.1);
}

.nav-mobile {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base);
    z-index: 2000;
    overflow-y: auto;
}

.nav-mobile.active {
    right: 0;
}

.nav-mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.nav-mobile-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.nav-mobile-close:hover {
    transform: rotate(90deg);
}

.nav-mobile ul {
    list-style: none;
    padding: var(--spacing-md);
}

.nav-mobile li {
    margin-bottom: var(--spacing-sm);
}

.nav-mobile a {
    display: block;
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: 0.5px;
}

.nav-mobile a:hover,
.nav-mobile a.active {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    transform: translateX(10px);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1500;
    backdrop-filter: blur(4px);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* HERO SLIDER */
.hero-slider {
    position: relative;
    height: 90vh;
    min-height: 600px;
    overflow: hidden;
    margin-top: var(--header-height);
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    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;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: none; /* Removed overlay as requested */
}

.hero-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    color: white;
}

.hero-content h1 {
    color: white;
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8); /* Increased contrast */
    animation: fadeInUp 1s ease-out;
}

.hero-content p {
    color: rgba(255, 255, 255, 1);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8); /* Increased contrast */
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-content .btn {
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

/* SLIDER CONTROLS */
.slider-nav {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    gap: 15px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid white;
    cursor: pointer;
    transition: all var(--transition-base);
}

.slider-dot.active {
    background: white;
    transform: scale(1.3);
}

.slider-dot:hover {
    background: var(--secondary);
    border-color: var(--secondary);
}

/* CARDS & GRIDS */
.grid {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
}

.card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.card:hover::before {
    opacity: 0.05;
}

.card-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card-img {
    transform: scale(1.1);
}

.card-content {
    padding: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.card-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.card-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.card-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    font-size: 2.5rem;
    color: white;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
}

/* SECTION DIVIDER */
.section-divider {
    width: 100%;
    max-width: 800px;
    height: auto;
    margin: var(--spacing-xl) auto;
    display: block;
    opacity: 0.6;
}

/* FOOTER */
.footer {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a2332 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-3xl) 0 var(--spacing-md);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

.footer-grid {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--secondary);
}

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

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-section a:hover {
    color: var(--secondary);
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-xl);
}

/* FORMS */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26, 77, 122, 0.1);
}

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

.form-error {
    color: #e74c3c;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* UTILITIES */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* RESPONSIVE */
@media (min-width: 768px) {
    :root {
        --font-size-5xl: 4.5rem;
    }
    
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .menu-toggle {
        display: none;
    }
    
    .nav-desktop {
        display: block;
    }
}

@media (min-width: 1024px) {
    .grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* SCROLL REVEAL */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* IMAGE OVERLAY EFFECTS */
.img-overlay-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.img-overlay-container img {
    transition: transform var(--transition-slow);
}

.img-overlay-container:hover img {
    transform: scale(1.1);
}

.img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 77, 122, 0.9), rgba(74, 144, 200, 0.8));
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.img-overlay-container:hover .img-overlay {
    opacity: 1;
}

/* VIDEO MODAL */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.video-modal.active {
    display: flex;
    opacity: 1;
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    animation: fadeInUp 0.5s ease-out;
}

.video-modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 3rem;
    cursor: pointer;
    transition: transform var(--transition-base);
    z-index: 3001;
    line-height: 1;
}

.video-modal-close:hover {
    transform: scale(1.2) rotate(90deg);
}

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

/* PLAY BUTTON OVERLAY */
.play-button-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: rgba(212, 167, 69, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 20;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    pointer-events: none;
}

.play-button-overlay::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 30px solid white;
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
    margin-left: 8px;
}

.play-button-overlay:hover {
    transform: translate(-50%, -50%) scale(1.15);
    background: var(--secondary);
    box-shadow: 0 12px 40px rgba(212, 167, 69, 0.5);
}

.img-overlay-container.with-video {
    cursor: pointer;
}

.img-overlay-container.with-video::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 77, 122, 0.3), rgba(74, 144, 200, 0.2));
    transition: all var(--transition-base);
}

.img-overlay-container.with-video:hover::after {
    background: linear-gradient(135deg, rgba(26, 77, 122, 0.5), rgba(74, 144, 200, 0.4));
}

/* Mobile Fixes for Contact Bar Overlap */
@media (max-width: 768px) {
    .header {
        top: 95px; /* Adjust for taller contact bar on mobile */
    }
    
    .contact-bar-content {
        padding: 0.5rem;
        gap: 0.25rem;
    }
    
    .contact-item {
        font-size: 0.75rem;
    }
    
    /* Fix hero text overflow on mobile */
    .hero-content h1 {
        font-size: 2rem !important;
        line-height: 1.2;
        word-wrap: break-word;
    }
    
    .hero-content p {
        font-size: 1rem !important;
    }
    
    /* Fix headquarters section - stack on mobile with image first and larger */
    .grid[style*="grid-template-columns: 1.5fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    
    .grid[style*="grid-template-columns: 1.5fr 1fr"] > div:first-child {
        order: -1;
        margin-bottom: 2rem;
    }
    
    .grid[style*="grid-template-columns: 1.5fr 1fr"] img {
        width: 100% !important;
        max-width: 100% !important;
    }
}

/* Additional small mobile fixes */
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.6rem !important;
    }
    
    .hero-content p {
        font-size: 0.9rem !important;
    }
    
    .hero-content {
        padding: 0 1rem !important;
    }
}