/* متغيرات CSS للألوان والقيم - نفس ألوان الحجر الأسود */
:root {
    --primary-color: #020202;
    --secondary-color: #020202;
    --accent-color: #c6a645;
    --dark-bg: #020202;
    --light-bg: #f8f9fa;
    --text-color-light: #f8f9fa;
    --text-color-dark: #020202;
    --gradient-blue: linear-gradient(135deg, #020202 0%, #020202 100%);
    --gradient-gold: linear-gradient(135deg, #c6a645 0%, #b8992a 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.2);
    --border-radius: 15px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Cairo', sans-serif;
    direction: rtl;
    text-align: right;
    background-color: var(--light-bg);
    color: var(--text-color-dark);
    overflow-x: hidden;
    line-height: 1.6;
}

/* تحسين الشريط العلوي */
.top-info-bar {
    background-color: var(--dark-bg);
    color: var(--text-color-light);
    font-size: 0.875rem;
    border-bottom: 1px solid rgba(198, 166, 69, 0.2);
}

.top-info-bar a {
    color: var(--text-color-light);
    transition: var(--transition);
}

.top-info-bar a:hover {
    color: var(--accent-color);
}

.social-links a {
    display: inline-block;
    width: 30px;
    height: 30px;
    background-color: rgba(198, 166, 69, 0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 30px;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--accent-color);
    color: var(--dark-bg) !important;
    transform: translateY(-2px);
}

/* تحسين شريط التنقل */
.navbar {
    padding: 1rem 0;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
}

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

.navbar.scrolled .navbar-logo {
    height: 40px;
}

.navbar-nav .nav-link {
    font-weight: 600;
    color: var(--dark-bg) !important;
    padding: 0.75rem 1rem !important;
    border-radius: 8px;
    margin: 0 0.25rem;
    transition: var(--transition);
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--accent-color) !important;
    background-color: rgba(198, 166, 69, 0.1);
}

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

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

.navbar-buttons .btn {
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.875rem;
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* تحسين القسم الرئيسي */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
}

.hero-section .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(2, 2, 2, 0.7) 0%, rgba(2, 2, 2, 0.5) 100%);
    z-index: 1;
}

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

.hero-section .display-4 {
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    margin-bottom: 1rem;
}

.hero-buttons .btn {
    margin: 0.5rem;
    box-shadow: var(--shadow-md);
}

/* إعدادات السهم والنص */
.scroll-up-indicator {
    position: absolute;
    bottom: 250px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    font-size: 18px;
    color: white;
    z-index: 3;
}

.scroll-up-indicator img {
    width: 30px;
    margin-top: 5px;
    animation: bounce 2s infinite;
}

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

/* تحسين الطباعة */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.display-1 { font-size: clamp(2.5rem, 5vw, 4rem); }
.display-2 { font-size: clamp(2rem, 4vw, 3.5rem); }
.display-3 { font-size: clamp(1.75rem, 3.5vw, 3rem); }

/* الأقسام العامة */
section {
    padding: 80px 0;
    position: relative;
}

.section-intro h1, .section-intro h2, .section-intro h3 {
    color: var(--dark-bg);
    margin-bottom: 15px;
}

.section-intro p {
    max-width: 700px;
    margin: 0 auto;
    color: var(--secondary-color);
    line-height: 1.8;
    font-size: 1.1rem;
}

.divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-gold);
    margin: 20px auto 40px auto;
    border-radius: 2px;
}

/* الأزرار المحسنة */
.btn {
    padding: 14px 35px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-blue);
    color: white;
}

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

.btn-info, .btn-main {
    background: var(--gradient-gold);
    color: var(--dark-bg);
    font-weight: 700;
}

.btn-info:hover, .btn-main:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--dark-bg);
}

.btn-lg {
    padding: 18px 45px;
    font-size: 1.1rem;
}

/* تحسينات الاستجابة */
@media (max-width: 991.98px) {
    .navbar-nav {
        padding-top: 1rem;
    }
    
    .navbar-buttons {
        margin-top: 1rem;
        justify-content: center;
    }
    
    .hero-section {
        text-align: center;
    }
    
    .scroll-up-indicator {
        display: none !important;
    }
}

@media (max-width: 767.98px) {
    .top-info-bar {
        display: none !important;
    }
    
    .navbar {
        padding: 0.75rem 0;
    }
    
    .navbar-logo {
        height: 40px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }
    
    .btn-lg {
        padding: 15px 35px;
        font-size: 1rem;
    }
}

@media (max-width: 575.98px) {
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin: 0.5rem 0;
    }
}

/* تأثيرات التحميل */
.fade-in {
    animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* تحسين إمكانية الوصول */
.btn:focus,
.form-control:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* تحسين الطباعة */
@media print {
    .navbar,
    .top-info-bar,
    .floating-icons,
    .floating-icon,
    .btn,
    .modal {
        display: none !important;
    }
}

/* تحسين الأداء */
.img-fluid {
    max-width: 100%;
    height: auto;
}

.loading {
    opacity: 0.7;
    pointer-events: none;
}

.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
    margin-left: 10px;
}