/* ============================================
   General Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0d6efd;
    --secondary-color: #ffc107;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --success-color: #198754;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
}

body {
    font-family: 'Cairo', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%) !important;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    right: 0;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--secondary-color) !important;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&h=1080&fit=crop') center/cover;
    opacity: 0.2;
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
}

.hero-content p {
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1.2s ease;
}

.hero-buttons {
    animation: fadeInUp 1.4s ease;
}

.hero-image img {
    transition: transform 0.3s ease;
    animation: fadeInRight 1s ease;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 2rem;
    animation: bounce 2s infinite;
    z-index: 2;
}

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

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

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

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

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.animate-fade-in {
    animation: fadeInUp 1s ease;
}

.animate-slide-in {
    animation: fadeInRight 1s ease;
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-color);
    position: relative;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto 2rem;
    border-radius: 2px;
}

/* ============================================
   Cards
   ============================================ */
.about-card,
.vision-card,
.mission-card,
.goal-item,
.info-card {
    transition: all 0.3s ease;
    background: white;
}

.about-card:hover,
.vision-card:hover,
.mission-card:hover,
.goal-item:hover,
.info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
}

.icon-box {
    display: inline-block;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    border-radius: 50%;
    color: white;
    animation: pulse 2s infinite;
}

.info-card {
    transition: all 0.3s ease;
}

.info-card:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
}

.info-card:hover i,
.info-card:hover h5,
.info-card:hover p {
    color: white !important;
}

/* ============================================
   Vision & Mission Cards
   ============================================ */
.vision-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px solid var(--primary-color);
}

.vision-icon i {
    animation: pulse 2s infinite;
}

.mission-icon i {
    transition: transform 0.3s ease;
}

.mission-card:hover .mission-icon i {
    transform: scale(1.2) rotate(5deg);
}

.goal-icon i {
    transition: transform 0.3s ease;
}

.goal-item:hover .goal-icon i {
    transform: scale(1.2);
}

/* ============================================
   Gallery
   ============================================ */
.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    height: 300px;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.9), rgba(255, 193, 7, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

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

.gallery-overlay h5 {
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* ============================================
   Contact Section
   ============================================ */
#contact {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    position: relative;
    overflow: hidden;
}

#contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&h=1080&fit=crop') center/cover;
    opacity: 0.1;
    z-index: 1;
}

#contact .container {
    position: relative;
    z-index: 2;
}

.contact-card {
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.contact-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2) !important;
}

.contact-card i {
    transition: transform 0.3s ease;
}

.contact-card:hover i {
    transform: scale(1.2) rotate(5deg);
}

.company-logo i {
    animation: pulse 2s infinite;
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: none;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.back-to-top.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .gallery-item {
        height: 250px;
    }
    
    .back-to-top {
        bottom: 20px;
        left: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-content h1 {
        font-size: 1.75rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .hero-buttons .btn.me-3 {
        margin-right: 0 !important;
    }
}

/* ============================================
   Smooth Scroll
   ============================================ */
html {
    scroll-behavior: smooth;
}

/* ============================================
   Loading Animation
   ============================================ */
.fade-in {
    animation: fadeIn 0.5s ease;
}

/* ============================================
   Button Hover Effects
   ============================================ */
.btn {
    transition: all 0.3s ease;
    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, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

/* ============================================
   Text Effects
   ============================================ */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Additional Interactive Effects
   ============================================ */
.card-hover-effect {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover-effect:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .navbar,
    .back-to-top,
    .scroll-indicator {
        display: none !important;
    }
    
    section {
        page-break-inside: avoid;
    }
}