/* ============================================
   الأريج الدولية المتقدمة - ملف التصميم
   ============================================ */

/* Global Styles */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --warning-color: #ffc107;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cairo', sans-serif;
    line-height: 1.8;
    color: #333;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.3rem;
}

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

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

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

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

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    /* يمكنك استبدال الصورة بصورة محلية: url('../images/building-materials.jpg') */
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)) center/cover no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 76px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.8) 0%, rgba(25, 135, 84, 0.8) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-section h1 {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease;
}

.hero-section .lead {
    font-size: 1.5rem;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.hero-badges .badge {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
}

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

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

.animate-fade-in-delay {
    animation: fadeInUp 1s ease 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeInUp 1s ease 0.6s both;
}

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

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

.title-underline {
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    margin: 0 auto 2rem;
    border-radius: 2px;
}

/* About Section */
.about-image img {
    transition: transform 0.3s ease;
}

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

.about-content h3 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.about-content .lead {
    color: #555;
    font-size: 1.2rem;
}

.stat-item {
    padding: 1.5rem;
    background: var(--light-color);
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item h4 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Mission Cards */
.mission-card {
    transition: all 0.3s ease;
    border-radius: 15px;
    overflow: hidden;
}

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

.icon-wrapper {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(25, 135, 84, 0.1));
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.mission-card:hover .icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.mission-card .card-title {
    color: var(--dark-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.mission-card .card-text {
    color: #666;
    line-height: 1.8;
    text-align: justify;
}

/* Product Cards */
.product-card {
    transition: all 0.3s ease;
    border-radius: 15px;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2) !important;
}

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

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

.product-card .card-title {
    color: var(--dark-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.product-card .card-text {
    color: #666;
    line-height: 1.8;
}

/* Contact Section */
.contact-card {
    transition: all 0.3s ease;
    height: 100%;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15) !important;
}

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

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

.contact-card h5 {
    font-weight: 700;
    color: var(--dark-color);
}

.social-links {
    margin-top: 2rem;
}

.social-link {
    display: inline-block;
    color: white;
    transition: all 0.3s ease;
    padding: 0.5rem;
}

.social-link:hover {
    color: var(--primary-color);
    transform: translateY(-5px) scale(1.1);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    z-index: 1000;
}

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

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

/* Footer */
footer {
    background: var(--dark-color) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section .lead {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-content .lead {
        font-size: 1rem;
    }
    
    .mission-card .card-text,
    .product-card .card-text {
        text-align: center;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding-top: 70px;
    }
    
    .hero-section h1 {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    section {
        padding: 60px 0;
    }
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s ease-in-out infinite;
}

/* Smooth Scroll */
html {
    scroll-padding-top: 76px;
}