/* ============================================
   CIA HOSTING - Enhanced Design System
   نظام التصميم المحسّن
   ============================================ */

/* ============================================
   1. نظام الألوان الجديد - Modern Color Palette
   ============================================ */
:root {
    /* Primary Colors - الألوان الرئيسية */
    --primary-color: #2563eb;           /* Blue - أزرق حديث */
    --primary-dark: #1e40af;            /* Dark Blue */
    --primary-light: #3b82f6;           /* Light Blue */
    --primary-lighter: #60a5fa;         /* Lighter Blue */
    
    /* Secondary Colors - الألوان الثانوية */
    --secondary-color: #7c3aed;         /* Purple - بنفسجي */
    --secondary-dark: #6d28d9;          /* Dark Purple */
    --secondary-light: #8b5cf6;         /* Light Purple */
    
    /* Accent Colors - ألوان التمييز */
    --accent-color: #10b981;            /* Green - أخضر */
    --accent-orange: #f59e0b;           /* Orange - برتقالي */
    --accent-pink: #ec4899;             /* Pink - وردي */
    
    /* Neutral Colors - الألوان المحايدة */
    --dark-bg: #0f172a;                 /* Dark Background */
    --dark-card: #1e293b;               /* Dark Card */
    --light-bg: #f8fafc;                /* Light Background */
    --white: #ffffff;                   /* White */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Text Colors - ألوان النصوص */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --text-white: #ffffff;
    
    /* Gradients - التدرجات */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    
    /* Shadows - الظلال */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-colored: 0 10px 30px -5px rgba(37, 99, 235, 0.3);
    
    /* Border Radius - الحدود الدائرية */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions - الانتقالات */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   2. تحسين الـ Header - Enhanced Header
   ============================================ */

/* Sticky Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

/* Navigation Bar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Logo Enhancement */
.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-base);
}

.navbar-logo:hover {
    transform: scale(1.05);
    color: var(--primary-dark);
}

.navbar-logo img {
    height: 40px;
    width: auto;
    transition: all var(--transition-base);
}

/* Navigation Links */
.navbar-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.navbar-menu li {
    position: relative;
}

.navbar-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-menu a:hover {
    color: var(--primary-color);
    background: var(--gray-50);
    transform: translateY(-2px);
}

.navbar-menu a.active {
    color: var(--primary-color);
    background: var(--primary-light);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
}

/* Dropdown Menu */
.navbar-dropdown {
    position: relative;
}

.navbar-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    margin-top: 0.5rem;
}

.navbar-dropdown:hover .navbar-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-dropdown-menu a:hover {
    background: var(--gray-50);
    color: var(--primary-color);
    transform: translateX(-5px);
}

.navbar-dropdown-menu i {
    width: 20px;
    text-align: center;
    color: var(--primary-color);
}

/* Hamburger Menu Button */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.navbar-toggle:hover {
    background: var(--gray-50);
}

.navbar-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
    }
    
    .navbar-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem 1rem;
        box-shadow: var(--shadow-2xl);
        transition: right var(--transition-base);
        overflow-y: auto;
        gap: 0.5rem;
    }
    
    .navbar-menu.active {
        right: 0;
    }
    
    .navbar-menu li {
        width: 100%;
    }
    
    .navbar-menu a {
        width: 100%;
        justify-content: flex-start;
    }
    
    .navbar-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin-top: 0.5rem;
        background: var(--gray-50);
    }
}

/* ============================================
   3. تحسين البطاقات - Enhanced Cards
   ============================================ */

.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.card:hover::before {
    transform: scaleX(1);
}

/* Card Icon */
.card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-xl);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--white);
    font-size: 1.75rem;
    box-shadow: var(--shadow-colored);
    transition: all var(--transition-base);
}

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

/* Card Title */
.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    transition: color var(--transition-base);
}

.card:hover .card-title {
    color: var(--primary-color);
}

/* Card Description */
.card-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Card Button */
.card-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.card-button:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.card-button i {
    transition: transform var(--transition-base);
}

.card-button:hover i {
    transform: translateX(3px);
}

/* ============================================
   4. تحسين الأزرار - Enhanced Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-colored);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--gradient-secondary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   5. تحسين الروابط - Enhanced Links
   ============================================ */

.link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.link:hover {
    color: var(--primary-dark);
    gap: 0.625rem;
}

.link i {
    transition: transform var(--transition-base);
}

.link:hover i {
    transform: translateX(3px);
}

/* ============================================
   6. تأثيرات الحركة - Animations
   ============================================ */

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

.animate-slide-in {
    animation: slideInRight var(--transition-slow) ease-out;
}

.animate-scale-in {
    animation: scaleIn var(--transition-slow) ease-out;
}

/* Stagger Animation */
.stagger-animation > * {
    opacity: 0;
    animation: fadeIn var(--transition-slow) ease-out forwards;
}

.stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-animation > *:nth-child(6) { animation-delay: 0.6s; }

/* ============================================
   7. تحسين الأيقونات - Enhanced Icons
   ============================================ */

.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-lg);
    background: var(--gray-100);
    color: var(--primary-color);
    transition: all var(--transition-base);
}

.icon:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.icon-lg {
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.5rem;
}

.icon-sm {
    width: 2rem;
    height: 2rem;
    font-size: 0.875rem;
}

/* ============================================
   8. تحسين الـ Footer - Enhanced Footer
   ============================================ */

.site-footer {
    background: var(--gradient-dark);
    color: var(--text-white);
    padding: 4rem 2rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 50px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.footer-links a i {
    color: var(--primary-light);
    transition: transform var(--transition-base);
}

.footer-links a:hover i {
    transform: translateX(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: var(--gray-400);
}

.footer-social {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* ============================================
   9. تحسين Hero Section
   ============================================ */

.hero {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: fadeIn 0.8s ease-out;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeIn 1s ease-out 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeIn 1.2s ease-out 0.4s backwards;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }
}

/* ============================================
   10. تحسين Grid Layouts
   ============================================ */

.grid {
    display: grid;
    gap: 2rem;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(1, 1fr);
    }
}

/* ============================================
   11. تحسين Pricing Cards
   ============================================ */

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    border: 2px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    content: 'الأكثر شعبية';
    position: absolute;
    top: 20px;
    left: -35px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 3rem;
    transform: rotate(-45deg);
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--gray-100);
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.pricing-price span {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.pricing-features li i {
    color: var(--accent-color);
    font-size: 1.25rem;
}

.pricing-features li.disabled {
    opacity: 0.4;
}

.pricing-features li.disabled i {
    color: var(--gray-400);
}

/* ============================================
   12. تحسين Forms
   ============================================ */

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: all var(--transition-base);
    background: var(--white);
    color: var(--text-primary);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* ============================================
   13. Utility Classes
   ============================================ */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* ============================================
   14. Responsive Typography
   ============================================ */

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .pricing-price {
        font-size: 2.5rem;
    }
}

/* ============================================
   15. Back to Top Button
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.back-to-top i {
    font-size: 1.25rem;
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        left: 20px;
        width: 45px;
        height: 45px;
    }
}

/* ============================================
   16. Ripple Effect for Buttons
   ============================================ */

.btn,
.card-button {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ============================================
   17. Loading Spinner
   ============================================ */

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ============================================
   18. Toast Notifications
   ============================================ */

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 300px;
    transform: translateX(400px);
    transition: transform var(--transition-base);
    z-index: 9999;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-right: 4px solid var(--accent-color);
}

.toast.error {
    border-right: 4px solid #ef4444;
}

.toast.warning {
    border-right: 4px solid var(--accent-orange);
}

.toast.info {
    border-right: 4px solid var(--primary-color);
}

.toast-icon {
    font-size: 1.5rem;
}

.toast.success .toast-icon {
    color: var(--accent-color);
}

.toast.error .toast-icon {
    color: #ef4444;
}

.toast.warning .toast-icon {
    color: var(--accent-orange);
}

.toast.info .toast-icon {
    color: var(--primary-color);
}

/* ============================================
   19. Modal/Dialog Enhancement
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.modal-overlay.show .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-100);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 35px;
    height: 35px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

/* ============================================
   20. Badge Component
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--white);
}

.badge-secondary {
    background: var(--secondary-light);
    color: var(--white);
}

.badge-success {
    background: var(--accent-color);
    color: var(--white);
}

.badge-warning {
    background: var(--accent-orange);
    color: var(--white);
}

.badge-danger {
    background: #ef4444;
    color: var(--white);
}

.badge-outline {
    background: transparent;
    border: 2px solid currentColor;
}

/* ============================================
   21. Progress Bar
   ============================================ */

.progress {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* ============================================
   22. Tabs Component
   ============================================ */

.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 2rem;
}

.tab {
    padding: 0.875rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all var(--transition-base);
    position: relative;
    bottom: -2px;
}

.tab:hover {
    color: var(--primary-color);
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn var(--transition-base);
}

/* ============================================
   23. Accordion Component
   ============================================ */

.accordion-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
}

.accordion-header {
    padding: 1.25rem 1.5rem;
    background: var(--white);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.accordion-header:hover {
    background: var(--gray-50);
}

.accordion-header.active {
    background: var(--primary-light);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
    color: var(--primary-color);
}

.accordion-icon {
    transition: transform var(--transition-base);
}

.accordion-header.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.accordion-content.active {
    max-height: 1000px;
}

.accordion-body {
    padding: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   24. Tooltip
   ============================================ */

.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip-text {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 125%;
    right: 50%;
    transform: translateX(50%);
    background: var(--dark-bg);
    color: var(--white);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    white-space: nowrap;
    z-index: 1000;
    transition: all var(--transition-base);
}

.tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 50%;
    transform: translateX(50%);
    border: 5px solid transparent;
    border-top-color: var(--dark-bg);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* ============================================
   25. RTL Support Enhancements
   ============================================ */

[dir="rtl"] .navbar-menu {
    right: auto;
    left: -100%;
}

[dir="rtl"] .navbar-menu.active {
    left: 0;
}

[dir="rtl"] .link:hover {
    gap: 0.625rem;
}

[dir="rtl"] .link:hover i {
    transform: translateX(-3px);
}

[dir="rtl"] .card-button:hover {
    transform: translateX(-5px);
}

[dir="rtl"] .card-button:hover i {
    transform: translateX(-3px);
}

[dir="rtl"] .footer-links a:hover {
    transform: translateX(5px);
}

[dir="rtl"] .footer-links a:hover i {
    transform: translateX(3px);
}

[dir="rtl"] .navbar-dropdown-menu a:hover {
    transform: translateX(5px);
}

[dir="rtl"] .back-to-top {
    left: auto;
    right: 30px;
}

@media (max-width: 768px) {
    [dir="rtl"] .back-to-top {
        left: auto;
        right: 20px;
    }
}