/* ===== Root Variables ===== */
:root {
    --primary-color: #2A3B9F;
    --primary-dark: #1E2A7A;
    --primary-light: #3A4FBF;
    --secondary-color: #000000;
    --accent-color: #FFD700;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Cairo', sans-serif;
    color: var(--text-dark);
    overflow-x: hidden;
    line-height: 1.8;
}

html {
    scroll-behavior: smooth;
}

/* ===== Navigation ===== */
#mainNav {
    background: rgba(42, 59, 159, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    padding: 1rem 0;
}

#mainNav.scrolled {
    padding: 0.5rem 0;
    background: rgba(42, 59, 159, 0.98) !important;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--white) !important;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

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

.brand-text {
    color: var(--white);
}

.navbar-nav .nav-link {
    color: var(--white) !important;
    font-weight: 500;
    margin: 0 10px;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem 1rem !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 50%;
    transform: translateX(50%);
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 80%;
}

.navbar-nav .nav-link:hover {
    color: var(--accent-color) !important;
    transform: translateY(-2px);
}

/* ===== Hero Section / Slider ===== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    margin-bottom: 150px;
}

/* White space between hero and about section */
.hero-section::after {
    content: '';
    display: block;
    height: 150px;
    background: var(--white);
    width: 100%;
    position: absolute;
    bottom: -150px;
    left: 0;
    z-index: 1;
}

.carousel-item {
    height: 100vh;
    min-height: 600px;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.5);
}

.carousel-caption {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 100%;
    text-align: center;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.hero-text-content {
    color: var(--white);
    padding: 3rem;
    background: rgba(42, 59, 159, 0.4);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    width: 90%;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.hero-main-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 15px rgba(0, 0, 0, 0.7);
    color: var(--white);
}

.hero-main-subtitle {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    text-shadow: 2px 2px 15px rgba(0, 0, 0, 0.7);
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    margin: 0;
    text-shadow: 1px 1px 10px rgba(0, 0, 0, 0.7);
}

.hero-content {
    color: var(--white);
    padding: 2rem;
    background: rgba(42, 59, 159, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
    color: var(--white);
    animation: slideInRight 1s ease;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
    animation: slideInLeft 1s ease;
}

.hero-location {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.hero-location i {
    color: var(--accent-color);
    font-size: 1.5rem;
}

.hero-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-top: 2rem;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--primary-color);
    color: var(--white) !important;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    font-weight: 500;
    border: 2px solid transparent;
}

.contact-link:hover {
    background: var(--accent-color);
    color: var(--text-dark) !important;
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.4);
}

.contact-link i {
    font-size: 1.1rem;
}

.carousel-control-prev,
.carousel-control-next {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.8;
    transition: var(--transition);
}

.carousel-control-prev {
    left: 30px;
}

.carousel-control-next {
    right: 30px;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    opacity: 1;
    background: var(--accent-color);
}

.carousel-indicators [data-bs-target] {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--white);
    opacity: 0.5;
    transition: var(--transition);
}

.carousel-indicators [data-bs-target].active {
    opacity: 1;
    background: var(--accent-color);
}

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

.section-header {
    margin-bottom: 3rem;
}

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

.title-underline {
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    margin-top: 10px;
}

/* ===== About Section ===== */
.about-section {
    background: var(--white);
    padding-top: 80px !important;
    margin-top: 0;
    position: relative;
    z-index: 1;
}

.founded-year {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-top: 2rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
    border-right: 4px solid var(--primary-color);
}

.founded-year i {
    color: var(--accent-color);
    margin-left: 10px;
}

.founded-year strong {
    font-weight: 700;
}

.about-image img {
    max-width: 100%;
    height: auto;
    animation: float 3s ease-in-out infinite;
}

.stats-row {
    display: flex;
    gap: 20px;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(42, 59, 159, 0.2);
}

.stat-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 1rem 0;
}

.stat-item p {
    color: var(--text-light);
    font-weight: 500;
}

/* ===== Vision Section ===== */
.vision-section {
    background: var(--white);
}

.vision-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    height: 100%;
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
}

.vision-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(42, 59, 159, 0.3);
}

.vision-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.vision-card:hover .vision-icon {
    transform: rotate(360deg) scale(1.1);
}

.vision-icon i {
    font-size: 2rem;
    color: var(--white);
}

.vision-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.vision-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ===== Services Section ===== */
.services-section {
    background: var(--bg-light);
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    height: 100%;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(42, 59, 159, 0.2);
    border-color: var(--primary-color);
}

.service-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--accent-color), #FFED4E);
}

.service-icon i {
    font-size: 2.5rem;
    color: var(--white);
    transition: var(--transition);
}

.service-card:hover .service-icon i {
    color: var(--text-dark);
    transform: scale(1.1);
}

.service-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ===== Contact Section ===== */
.contact-section {
    background: var(--white);
}

.contact-info {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-item {
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    transition: var(--transition);
    height: 100%;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(42, 59, 159, 0.2);
}

.contact-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-item h5 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.contact-item a:hover {
    color: var(--accent-color);
    transform: translateX(-5px);
}

/* ===== Footer ===== */
.footer {
    background: var(--secondary-color);
    color: var(--white);
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white) !important;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent-color);
    color: var(--text-dark) !important;
    transform: translateY(-5px) rotate(360deg);
}

/* ===== Back to Top Button ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(42, 59, 159, 0.3);
}

.back-to-top:hover {
    background: var(--accent-color);
    color: var(--text-dark);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
}

.back-to-top.show {
    display: flex;
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .hero-text-content {
        padding: 2rem 1.5rem;
        width: 95%;
        margin: 0 10px;
        border-radius: 15px;
    }
    
    .hero-main-title {
        font-size: 2rem;
        margin-bottom: 0.8rem;
    }
    
    .hero-main-subtitle {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    
    .hero-description {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .carousel-caption {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-contact {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-link {
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats-row {
        flex-direction: column;
    }
    
    .carousel-control-prev,
    .carousel-control-next {
        width: 40px;
        height: 40px;
    }
    
    .carousel-control-prev {
        left: 10px;
    }
    
    .carousel-control-next {
        right: 10px;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        left: 20px;
    }
}

@media (max-width: 576px) {
    .hero-text-content {
        padding: 1.5rem 1rem;
        width: 98%;
        margin: 0 5px;
        border-radius: 12px;
    }
    
    .hero-main-title {
        font-size: 1.6rem;
        margin-bottom: 0.6rem;
    }
    
    .hero-main-subtitle {
        font-size: 1.1rem;
        margin-bottom: 0.8rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .carousel-caption {
        padding: 0 10px;
    }
    
    .hero-content {
        padding: 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-location {
        font-size: 1rem;
    }
    
    .contact-link {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
}