/* نظام التصميم الزجاجي ثلاثي الأبعاد لمنصة اعتمادكو للأعمال الخاصة */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;800&family=Tajawal:wght@300;400;500;700;900&display=swap');

:root {
    --bg-main: #060813;
    --bg-darker: #03040a;
    --glass-bg: rgba(10, 14, 30, 0.65);
    --glass-bg-hover: rgba(16, 23, 49, 0.8);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-border-glow: rgba(0, 98, 255, 0.35);
    
    --primary: #0056ff;
    --primary-glow: rgba(0, 86, 255, 0.4);
    --secondary: #00e5ff;
    --secondary-glow: rgba(0, 229, 255, 0.3);
    
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #636d7a;
    
    --success: #00e676;
    --warning: #ffea00;
    --danger: #ff1744;
    
    --font-ar: 'Tajawal', 'Cairo', sans-serif;
    --shadow-neon: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --shadow-blue-glow: 0 0 20px rgba(0, 86, 255, 0.2);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-ar);
    scrollbar-width: thin;
    scrollbar-color: var(--primary-glow) var(--bg-main);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-glow);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    direction: rtl;
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 86, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 229, 255, 0.05) 0%, transparent 45%);
    background-attachment: fixed;
}

/* التنسيق الزجاجي العام - Glassmorphism Card */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--shadow-neon);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.glass-panel:hover {
    border-color: rgba(0, 86, 255, 0.2);
    box-shadow: 0 10px 40px rgba(0, 86, 255, 0.12);
}

/* الحركات ثلاثية الأبعاد تفاعلية */
.perspective-container {
    perspective: 1000px;
}

.card-3d {
    transform-style: preserve-3d;
    transform: perspective(800px) rotateX(0deg) rotateY(0deg);
    transition: transform 0.15s ease-out, box-shadow 0.3s ease;
}

.card-3d:hover {
    box-shadow: 0 15px 35px rgba(0, 86, 255, 0.18), 0 0 15px rgba(0, 229, 255, 0.1);
}

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    background: rgba(6, 8, 19, 0.75);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 0 15px var(--primary-glow);
}

.logo-text span {
    background: linear-gradient(135deg, #ffffff, var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-badge {
    font-size: 10px;
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid var(--secondary);
    color: var(--secondary);
    padding: 2px 6px;
    border-radius: 20px;
    font-weight: 600;
    margin-right: 8px;
}

nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    padding: 6px 12px;
    border-radius: 8px;
}

nav a:hover, nav a.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

nav a.active {
    border-bottom: 2px solid var(--primary);
    border-radius: 8px 8px 0 0;
    background: rgba(0, 86, 255, 0.05);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* الأزرار الزجاجية والمضيئة */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none;
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #003cc2);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(0, 86, 255, 0.3), var(--shadow-blue-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 86, 255, 0.45), 0 0 25px rgba(0, 229, 255, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline-blue {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--secondary);
}

.btn-outline-blue:hover {
    background: rgba(0, 86, 255, 0.1);
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(135deg, var(--secondary), #00a8cc);
    color: var(--bg-darker);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 229, 255, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 229, 255, 0.5);
}

/* البطل (Hero Section) بقوة ثلاثية الأبعاد */
.hero-section {
    max-width: 1280px;
    margin: 40px auto 60px auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
}

.hero-content h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 20px;
}

.hero-content h1 span {
    background: linear-gradient(135deg, var(--text-primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 30px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.stat-box {
    padding: 16px;
    text-align: center;
}

.stat-num {
    font-size: 26px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 4px;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-glowing-back {
    position: absolute;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    filter: blur(20px);
    z-index: 1;
}

.visual-card-wrapper {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 420px;
}

.visual-card {
    padding: 28px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(10, 14, 30, 0.7);
    box-shadow: var(--shadow-neon);
}

.visual-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    margin-bottom: 12px;
    border: 1px solid rgba(255, 255, 255, 0.02);
    transition: all 0.3s ease;
}

.visual-item:hover {
    transform: translateZ(20px) scale(1.03);
    background: rgba(0, 86, 255, 0.06);
    border-color: rgba(0, 86, 255, 0.15);
}

.visual-item-icon {
    width: 38px;
    height: 38px;
    background: rgba(0, 86, 255, 0.15);
    color: var(--secondary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

/* الرئيسية: الفلاتر والبحث */
.search-filter-section {
    max-width: 1280px;
    margin: 0 auto 30px auto;
    padding: 0 24px;
}

.search-filter-box {
    padding: 20px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 16px;
    align-items: center;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    transition: all 0.3s ease;
    width: 100%;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 86, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

select.form-control {
    cursor: pointer;
}

select.form-control option {
    background: var(--bg-main);
    color: var(--text-primary);
}

/* شبكة المشاريع (Projects Grid) */
.section-title-container {
    max-width: 1280px;
    margin: 40px auto 20px auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    position: relative;
    padding-right: 12px;
}

.section-title::before {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    border-radius: 4px;
}

.projects-grid {
    max-width: 1280px;
    margin: 0 auto 60px auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
}

.project-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.project-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.02) 0%, transparent 60%);
    pointer-events: none;
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.project-badge {
    background: rgba(0, 86, 255, 0.12);
    border: 1px solid rgba(0, 86, 255, 0.25);
    color: var(--secondary);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.project-region {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.project-card-title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 12px;
    color: var(--text-primary);
    height: 50px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-owner {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.project-metrics {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 12px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.metric-item {
    display: flex;
    flex-direction: column;
}

.metric-title {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.metric-val {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.metric-val.price {
    color: var(--secondary);
}

.project-card-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 16px;
}

.countdown-box {
    display: flex;
    flex-direction: column;
}

.countdown-title {
    font-size: 10px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.countdown-timer {
    font-size: 12px;
    font-weight: 600;
    color: var(--warning);
}

/* قسم الاشتراكات السنوية (Pricing Section) */
.pricing-section {
    background: radial-gradient(circle at center, rgba(0, 86, 255, 0.05) 0%, transparent 60%);
    padding: 60px 0;
}

.pricing-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: center;
}

.pricing-card {
    max-width: 480px;
    width: 100%;
    padding: 40px;
    text-align: center;
    position: relative;
    border: 1.5px solid rgba(0, 86, 255, 0.2);
    box-shadow: 0 0 30px rgba(0, 86, 255, 0.15);
}

.pricing-card::before {
    content: 'العرض الأبرز';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 20px;
    box-shadow: 0 0 10px var(--primary-glow);
}

.pricing-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.pricing-price {
    font-size: 48px;
    font-weight: 900;
    color: var(--secondary);
    margin-bottom: 6px;
    text-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
}

.pricing-price span {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 500;
}

.pricing-desc {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 30px;
}

.pricing-features {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 36px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.feature-check {
    color: var(--success);
    font-size: 16px;
}

/* صفحة تفاصيل المشروع */
.project-detail-layout {
    max-width: 1280px;
    margin: 40px auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 2.1fr 0.9fr;
    gap: 30px;
}

.detail-main-card {
    padding: 30px;
}

.detail-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 20px;
    margin-bottom: 24px;
}

.detail-title {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.35;
}

.detail-meta-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.meta-block {
    display: flex;
    align-items: center;
    gap: 12px;
}

.meta-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--secondary);
}

.meta-info {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 10px;
    color: var(--text-muted);
}

.meta-value {
    font-size: 13px;
    font-weight: 600;
}

.tabs-nav {
    display: flex;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 24px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 600;
    padding: 12px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
}

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

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

.tab-content {
    display: none;
    line-height: 1.75;
    font-size: 14px;
    color: var(--cbd5e0);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

/* جدول الكميات BOQ */
.boq-table-wrapper {
    overflow-x: auto;
    margin-top: 15px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.boq-table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
}

.boq-table th {
    background: rgba(255, 255, 255, 0.02);
    padding: 14px 16px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.boq-table td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-size: 13px;
}

.boq-table tr:hover {
    background: rgba(255, 255, 255, 0.01);
}

.sidebar-card {
    padding: 24px;
    margin-bottom: 24px;
}

.sidebar-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* كتل التواصل المخفية */
.blur-paywall {
    position: relative;
    padding: 30px;
    text-align: center;
    border-radius: 12px;
    border: 1px dashed rgba(0, 229, 255, 0.2);
    background: rgba(0, 86, 255, 0.02);
    overflow: hidden;
}

.paywall-content {
    position: relative;
    z-index: 2;
}

.paywall-lock-icon {
    font-size: 32px;
    color: var(--warning);
    margin-bottom: 12px;
}

/* لوحات التحكم (Dashboards) */
.dashboard-layout {
    max-width: 1280px;
    margin: 40px auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 0.8fr 2.2fr;
    gap: 30px;
}

.db-sidebar {
    padding: 20px;
}

.db-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.db-menu-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: 10px;
    text-align: right;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
}

.db-menu-btn:hover, .db-menu-btn.active {
    color: var(--text-primary);
    background: rgba(0, 86, 255, 0.08);
}

.db-menu-btn.active {
    border-right: 3px solid var(--primary);
    border-radius: 0 10px 10px 0;
    background: linear-gradient(270deg, rgba(0, 86, 255, 0.12), transparent);
}

.db-content {
    padding: 30px;
}

.db-section {
    display: none;
}

.db-section.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.db-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.db-header h2 {
    font-size: 22px;
    font-weight: 700;
}

.db-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.db-stat-card {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.db-stat-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 86, 255, 0.1);
    color: var(--secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.db-stat-info {
    display: flex;
    flex-direction: column;
}

.db-stat-label {
    font-size: 11px;
    color: var(--text-secondary);
}

.db-stat-val {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

/* بوبة الدفع للاشتراك (Mock Payment Checkout) */
.payment-wrapper {
    max-width: 450px;
    margin: 0 auto;
    padding: 24px;
}

.payment-badge {
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid var(--secondary);
    color: var(--secondary);
    padding: 10px;
    border-radius: 12px;
    text-align: center;
    font-weight: 700;
    margin-bottom: 24px;
}

/* المنبثقات (Modals) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(3, 4, 10, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    max-width: 550px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 30px;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 17, 68, 0.2);
    color: var(--danger);
}

/* صفحة الدخول والتسجيل */
.auth-container {
    max-width: 440px;
    margin: 60px auto;
    padding: 36px;
}

.auth-header {
    text-align: center;
    margin-bottom: 28px;
}

.auth-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
}

.auth-toggle {
    display: flex;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 4px;
    border-radius: 10px;
    margin-bottom: 24px;
}

.auth-toggle-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.auth-toggle-btn.active {
    background: var(--primary);
    color: var(--text-primary);
    box-shadow: 0 4px 10px var(--primary-glow);
}

.role-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.role-option {
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
    padding: 14px;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.role-option:hover {
    border-color: rgba(0, 86, 255, 0.3);
    background: rgba(0, 86, 255, 0.03);
}

.role-option.active {
    border-color: var(--primary);
    background: rgba(0, 86, 255, 0.08);
    box-shadow: 0 0 10px rgba(0, 86, 255, 0.15);
}

.role-icon {
    font-size: 22px;
    margin-bottom: 6px;
    display: block;
}

.role-text {
    font-size: 12px;
    font-weight: 600;
}

/* أداة تسعير جداول الكميات بالذكاء الاصطناعي (AI BOQ Estimator Tool) */
.ai-pricing-card {
    border: 1px solid rgba(0, 229, 255, 0.18);
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.08);
    overflow: hidden;
    position: relative;
}

.ai-pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
}

.ai-badge {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-primary);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ai-animation-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.ai-glowing-brain {
    font-size: 48px;
    animation: pulseGlow 2s infinite ease-in-out;
    margin-bottom: 20px;
}

.ai-scanning-bar {
    width: 200px;
    height: 4px;
    background: rgba(0, 229, 255, 0.1);
    border-radius: 2px;
    position: relative;
    overflow: hidden;
    margin-bottom: 12px;
}

.ai-scanning-bar::after {
    content: '';
    position: absolute;
    left: -50px;
    width: 80px;
    height: 100%;
    background: linear-gradient(to right, transparent, var(--secondary), transparent);
    animation: scanAnimation 1.5s infinite linear;
}

.pricing-result-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-top: 24px;
}

.pricing-stat-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.pricing-stat-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.ai-insights-box {
    background: rgba(0, 229, 255, 0.03);
    border: 1px solid rgba(0, 229, 255, 0.08);
    border-radius: 12px;
    padding: 16px;
    margin-top: 20px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 5px rgba(0, 229, 255, 0.3)); }
    50% { transform: scale(1.08); filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.8)); }
}

@keyframes scanAnimation {
    0% { left: -50px; }
    100% { left: 200px; }
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .search-filter-box {
        grid-template-columns: 1fr 1fr;
    }
    
    .project-detail-layout, .dashboard-layout {
        grid-template-columns: 1fr;
    }
    
    .detail-meta-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .search-filter-box {
        grid-template-columns: 1fr;
    }
    
    .detail-meta-grid {
        grid-template-columns: 1fr;
    }
    
    .db-stats-row {
        grid-template-columns: 1fr;
    }
    
    .header-container {
        flex-direction: column;
        gap: 12px;
    }
    
    nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
}

/* ==========================================================================
   المؤثرات التكنولوجية المتقدمة والحركات ثلاثية الأبعاد (FUTURISTIC CYBER STYLING)
   ========================================================================== */

/* الخلفية الشبكية الإلكترونية التفاعلية المتوهجة */
.cyber-grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 86, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 86, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    background-position: center;
    pointer-events: none;
    z-index: -2;
}

/* كروت تكنولوجيا المستقبل مع وميض حافة ليزرية */
.tech-card {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(10, 14, 30, 0.7);
    backdrop-filter: blur(16px);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.15), transparent);
    transition: 0.5s;
    pointer-events: none;
}

.tech-card:hover::before {
    left: 150%;
    transition: 0.8s ease-in-out;
}

.tech-card:hover {
    transform: translateY(-6px) translateZ(10px);
    border-color: var(--secondary);
    box-shadow: 0 15px 35px rgba(0, 229, 255, 0.15), 0 0 25px rgba(0, 86, 255, 0.12);
}

/* خط المسح الليزري النشط */
.scanner-active {
    position: relative;
}

.scanner-active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
    box-shadow: 0 0 12px var(--secondary), 0 0 25px var(--primary);
    animation: cyberScan 3.5s infinite linear;
    pointer-events: none;
}

@keyframes cyberScan {
    0% { top: 0%; }
    50% { top: 100%; }
    100% { top: 0%; }
}

/* شريط الرسوم البيانية التفاعلي للمؤشرات */
.chart-bar-container {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    height: 26px;
    width: 100%;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.chart-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    box-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
    border-radius: 8px;
    width: 0%;
    transition: width 1.5s cubic-bezier(0.19, 1, 0.22, 1);
}

/* شريط التمرير المتوهج لحاسبة الأرباح */
.glow-range {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.07);
    outline: none;
    transition: all 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.glow-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--secondary);
    box-shadow: 0 0 12px var(--secondary), 0 0 25px var(--primary);
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
    border: 2px solid #ffffff;
}

.glow-range::-webkit-slider-thumb:hover {
    transform: scale(1.3);
    background: #ffffff;
}

/* شريط مقارنة الموردين العائم بالأسفل */
.compare-bar {
    position: fixed;
    bottom: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 650px;
    background: rgba(6, 8, 19, 0.85);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--secondary);
    box-shadow: 0 0 35px rgba(0, 229, 255, 0.3);
    border-radius: 35px;
    padding: 18px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 999;
    transition: bottom 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.compare-bar.active {
    bottom: 30px;
}

/* بطاقات المقارنة للموردين */
.compare-overlay-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.compare-col {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 14px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.compare-col.highlighted {
    border-color: var(--secondary);
    background: rgba(0, 229, 255, 0.02);
    box-shadow: inset 0 0 15px rgba(0, 229, 255, 0.05);
}

/* مؤشر معنويات السوق الدائري التكنولوجي */
.sentiment-indicator {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 6px solid rgba(255, 255, 255, 0.03);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    margin: 0 auto;
}

.sentiment-indicator.bullish {
    border-color: var(--success);
    box-shadow: 0 0 25px rgba(0, 230, 118, 0.25), inset 0 0 20px rgba(0, 230, 118, 0.1);
}

.sentiment-indicator.bearish {
    border-color: var(--danger);
    box-shadow: 0 0 25px rgba(255, 23, 68, 0.25), inset 0 0 20px rgba(255, 23, 68, 0.1);
}

/* ==========================================================================
   إضافات التحريكات التفاعلية واللمسات التكنولوجية المتطورة لعام 2026
   ========================================================================== */

/* ستايل الـ Canvas للمحرك الجزيئي بالخلفية */
#cyber-particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* تأثير التوهج المتبع للموس (Glassmorphic Glow Card) */
.glow-card {
    position: relative;
    z-index: 1;
}

.glow-card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: radial-gradient(280px circle at var(--mouse-x, 0px) var(--mouse-y, 0px), rgba(0, 229, 255, 0.22), transparent 45%);
    z-index: -1;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
    border: 1px solid rgba(0, 229, 255, 0.15);
}

.glow-card:hover::after {
    opacity: 1;
}

/* التوهج النيوني للنصوص المتميزة */
.cyber-glow-text {
    text-shadow: 0 0 10px rgba(0, 86, 255, 0.5), 0 0 22px rgba(0, 229, 255, 0.25);
}

/* تأثير الانتقال السلس للصفحات (Page Fade & Slide Transitions) */
.page-transition {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.page-transition.active {
    opacity: 1;
    transform: translateY(0);
}

/* محاكاة التيرمينال التكنولوجي للذكاء الاصطناعي */
.cyber-terminal {
    background: #020308;
    border: 1px solid rgba(0, 229, 255, 0.22);
    box-shadow: 0 0 25px rgba(0, 86, 255, 0.15), inset 0 0 12px rgba(0, 229, 255, 0.05);
    border-radius: 12px;
    padding: 18px;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 600;
    color: #00e5ff;
    font-size: 11.5px;
    text-align: left;
    direction: ltr;
    max-height: 180px;
    overflow-y: auto;
    margin-top: 15px;
    width: 100%;
}

.terminal-line {
    margin-bottom: 8px;
    line-height: 1.5;
    white-space: pre-wrap;
    opacity: 0;
    transform: translateY(6px);
    animation: terminalLineFade 0.25s forwards cubic-bezier(0.16, 1, 0.3, 1);
}

.terminal-line.info { color: #00e5ff; }
.terminal-line.success { color: #00e676; }
.terminal-line.system { color: #ffffff; opacity: 0.7; }
.terminal-line.warning { color: #ffea00; }

@keyframes terminalLineFade {
    to { opacity: 1; transform: translateY(0); }
}

/* أيقونات تطفو بنعومة في خلفية الهيرو */
.floating-tech-item {
    position: absolute;
    font-size: 32px;
    filter: drop-shadow(0 0 12px rgba(0, 229, 255, 0.35));
    animation: floatTech 7s ease-in-out infinite;
    pointer-events: none;
    opacity: 0.25;
    z-index: 0;
}

@keyframes floatTech {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-22px) rotate(8deg); }
}

/* خط التحليق تحت الملاحة */
nav a {
    position: relative;
    overflow: hidden;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: translateX(-50%);
    box-shadow: 0 0 8px var(--secondary);
}

nav a:hover::after, nav a.active::after {
    width: 80%;
}