/* ================= المتغيرات الأساسية ================= */
:root {
    --bg-dark: #0a0e17; /* خلفية داكنة جداً */
    --bg-surface: #121826; /* خلفية البطاقات */
    --bg-surface-hover: #1a2235;
    
    --primary-color: #7c3aed; /* البنفسجي */
    --primary-hover: #6d28d9;
    --secondary-color: #2563eb; /* الأزرق */
    
    --text-main: #f8fafc; /* أبيض ناصع للنصوص */
    --text-muted: #94a3b8; /* رمادي فاتح للوصف */
    
    --border-color: #1e293b;
    --transition: all 0.3s ease;
    
    --font-family: 'Tajawal', sans-serif;
}

/* ================= التهيئة الأساسية ================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    color: var(--text-main);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    border-radius: 2px;
}

.text-right::after {
    left: auto;
    right: 0;
    transform: none;
}

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

/* ================= الأزرار ================= */
.btn-primary, .btn-primary-nav {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary:hover, .btn-primary-nav:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--text-main);
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--bg-surface-hover);
    border-color: var(--text-muted);
}

.w-100 { width: 100%; }

/* ================= Navbar ================= */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 1px;
}

.logo-text strong {
    font-weight: 800;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-main);
}

.nav-links .btn-primary-nav {
    color: #fff !important;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ================= Hero Section ================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    background: radial-gradient(circle at top, #161c2d 0%, var(--bg-dark) 60%);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.4;
}

.gradient-text {
    background: linear-gradient(90deg, var(--primary-color), #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 40px auto;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* ================= Services Section ================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--bg-surface);
    padding: 40px 30px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 25px;
}

.service-link {
    color: var(--secondary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.service-link i {
    font-size: 0.8rem;
    transition: var(--transition);
}

.service-link:hover i {
    transform: translateX(-5px);
}

/* ================= About & Mission ================= */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.about p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.mission-list li {
    margin-bottom: 15px;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.mission-list i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* ================= Why Us ================= */
.why-us {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.feature-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ================= Portfolio & Ready Systems ================= */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.portfolio-grid, .ready-systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.project-card, .system-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.project-img, .system-img {
    width: 100%;
    height: 200px;
    background-color: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 3rem;
}

.project-info, .system-info {
    padding: 25px;
}

.project-category {
    font-size: 0.85rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
    display: inline-block;
}

.project-info h3, .system-info h3 {
    margin-bottom: 10px;
    font-size: 1.25rem;
}

.project-info p, .system-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.system-features {
    margin-bottom: 20px;
}

.system-features li {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.system-features i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

/* ================= Order Form ================= */
.order-container {
    max-width: 800px;
}

.order-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.order-form {
    background-color: var(--bg-surface);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: var(--text-main);
}

.required {
    color: #ef4444;
}

input, select, textarea {
    width: 100%;
    padding: 14px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 6px;
    font-family: var(--font-family);
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: rgba(124, 58, 237, 0.05);
}

/* ================= Footer ================= */
.footer {
    background-color: #05070a;
    border-top: 1px solid var(--border-color);
    padding-top: 60px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 15px;
}

.footer-brand strong {
    color: var(--primary-color);
}

.footer-brand p {
    color: var(--text-muted);
    max-width: 300px;
}

.footer-links h4, .footer-contact h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a, .footer-contact p {
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-links a:hover, .footer-wa-link:hover {
    color: var(--primary-color);
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ================= Floating WhatsApp ================= */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: var(--transition);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
}