/* --- المتغيرات والثيمات (Light & Dark Mode) --- */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --header-bg: rgba(255, 255, 255, 0.9);
    --shadow-color: rgba(37, 99, 235, 0.15);
}

.dark-theme {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --accent-color: #3b82f6;
    --accent-hover: #60a5fa;
    --card-bg: #1f2937;
    --card-border: #374151;
    --header-bg: rgba(11, 15, 25, 0.9);
    --shadow-color: rgba(59, 130, 246, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- الهيدر --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--header-bg);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--card-border);
    padding: 15px 0;
}

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

.logo {
    font-size: 30px;
    font-weight: 900;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 10px var(--shadow-color);
}

.logo span {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 15px;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-btn, .lang-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.theme-btn:hover, .lang-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 22px;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    padding: 190px 0 110px;
    text-align: center;
    background-color: var(--bg-primary);
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 25%;
    left: 50%;
    transform: translateX(-50%);
    width: 450px;
    height: 450px;
    background: var(--accent-color);
    opacity: 0.12;
    filter: blur(140px);
    border-radius: 50%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.prominent-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: #ffffff;
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 25px;
    box-shadow: 0 8px 25px var(--shadow-color);
    letter-spacing: 0.5px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero h1 {
    font-size: 44px;
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--text-main);
}

.hero p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 35px;
}

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

.btn {
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: none;
}

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

.btn-outline {
    background-color: transparent;
    color: var(--text-main);
    border: 2px solid var(--card-border);
}

.btn-outline:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.pulse-btn {
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 var(--shadow-color); }
    70% { box-shadow: 0 0 0 12px rgba(37, 99, 235, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

section {
    padding: 90px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 34px;
    font-weight: 900;
    margin-bottom: 12px;
}

.section-title p {
    color: var(--text-muted);
    font-size: 16px;
}

/* --- المميزات (About) --- */
.about {
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.02);
}

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

.icon-box {
    width: 60px;
    height: 60px;
    background-color: var(--shadow-color);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 24px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 15px;
}

/* --- الخدمات (Services) --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.service-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 35px;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.service-card i {
    font-size: 38px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.service-card h3, .service-card h4 {
    font-size: 20px;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 15px;
}

.card-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--accent-color);
    color: #fff;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 700;
    border-radius: 6px;
}

/* --- منهجية العمل (Workflow) --- */
.workflow {
    background-color: var(--bg-secondary);
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.work-step {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 35px 25px;
    border-radius: 16px;
    text-align: center;
    position: relative;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.02);
}

.work-step:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.step-icon-box {
    width: 60px;
    height: 60px;
    background-color: var(--shadow-color);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 24px;
    margin: 0 auto 20px;
}

.work-step h3 {
    font-size: 19px;
    margin-bottom: 12px;
    color: var(--text-main);
}

.work-step p {
    color: var(--text-muted);
    font-size: 14px;
}

/* --- التواصل (Contact) --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 50px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
}

.contact-info h2 {
    font-size: 30px;
    margin-bottom: 15px;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 16px;
    font-weight: 600;
}

.info-item i {
    color: var(--accent-color);
    font-size: 20px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 15px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 15px;
    outline: none;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent-color);
}

/* --- الفوتر --- */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--card-border);
    text-align: center;
    padding: 30px 0;
    font-size: 15px;
    color: var(--text-muted);
}

/* إلغاء تأثير الاختفاء لضمان ظهور الكروت دائمًا وبشكل مباشر */
.reveal {
    opacity: 1 !important;
    transform: none !important;
}

/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 100%;
        padding: 30px;
    }
    .hero h1 {
        font-size: 34px;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        width: 100%;
        background-color: var(--card-bg);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--card-border);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }
    .nav-links.active {
        display: flex;
    }
    .menu-toggle {
        display: block;
    }
    
    /* إجبار الكروت تظهر بشكل عمودي متسلسل على الشاشات الصغيرة وتملأ عرض الشاشة */
    .features-grid,
    .services-grid,
    .workflow-grid {
        grid-template-columns: 100% !important;
    }
}