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

:root {
    --primary-color: #0066ff;
    --secondary-color: #00cc88;
    --accent-color: #ff9933;
    --dark-bg: #0f1419;
    --card-bg: #1a1f2e;
    --text-primary: #ffffff;
    --text-secondary: #b0b8c1;
    --border-color: #2a3142;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', 'Inter', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden; /* يمنع ظهور شريط التمرير الأفقي */
}

/* قاعدة عامة وهامة جداً لضبط الصور */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

html[lang="en"] {
    direction: ltr;
}

html[lang="ar"] {
    direction: rtl;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%; /* ضمان عدم تجاوز العرض */
}

/* ==================== Header ==================== */
.header {
    background: linear-gradient(135deg, rgba(15, 20, 25, 0.95) 0%, rgba(26, 31, 46, 0.95) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-icon {
    font-size: 2rem;
}

.nav {
    display: flex;
    gap: 2rem;
    flex: 1;
}

.nav-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: rgba(0, 102, 255, 0.1);
}

.nav-link .en {
    display: none;
}

.lang-toggle {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0052cc 100%);
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap; /* يمنع نزول النص لسطرين */
}

.lang-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

/* ==================== Hero Section ==================== */
.hero {
    padding: 4rem 0 6rem 0; /* تقليل الحشو العلوي قليلاً */
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 204, 136, 0.05) 100%);
    overflow: hidden; /* يمنع خروج المحتوى */
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-image {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 102, 255, 0.3);
    width: 100%;
}

.hero-img {
    width: 100%;
    height: auto;
    object-fit: cover; /* يضمن تناسق الصورة */
}

/* ==================== Section Titles ==================== */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* ==================== Problem Section ==================== */
.problem {
    padding: 6rem 0;
    background-color: rgba(26, 31, 46, 0.5);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(26, 31, 46, 0.8) 100%);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.2);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== Solution Section ==================== */
.solution {
    padding: 6rem 0;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(26, 31, 46, 0.8) 100%);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
    box-shadow: 0 20px 40px rgba(0, 204, 136, 0.2);
}

.solution-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.solution-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.solution-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== Dashboard Section ==================== */
.dashboard {
    padding: 6rem 0;
    background-color: rgba(26, 31, 46, 0.5);
}

.dashboard-section {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 102, 255, 0.3);
    width: 100%;
}

.dashboard-image {
    width: 100%;
    height: auto;
    display: block;
}

.dashboard-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
}

.overlay-content {
    width: 100%;
}

.overlay-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); /* تحسين التجاوب للأعمدة */
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.dashboard-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== Reports Section ==================== */
.reports {
    padding: 6rem 0;
}

.reports-section {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 204, 136, 0.3);
    width: 100%;
}

.reports-image {
    width: 100%;
    height: auto;
    display: block;
}

.reports-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
}

.reports-overlay .overlay-content h3 {
    color: var(--secondary-color);
}

.reports-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.stat-box {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-box .stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-box .stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.reports-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== Benefits Section ==================== */
.benefits {
    padding: 6rem 0;
    background-color: rgba(26, 31, 46, 0.5);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(26, 31, 46, 0.8) 100%);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(255, 153, 51, 0.2);
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.benefit-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== Contact Section ==================== */
.contact {
    padding: 6rem 0;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background-color: rgba(26, 31, 46, 0.5);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    width: 100%;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

/* ==================== Buttons ==================== */
.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0052cc 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

.btn-submit {
    width: 100%;
}

/* ==================== Footer ==================== */
.footer {
    background-color: rgba(26, 31, 46, 0.8);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
}

/* ==================== Language Switching ==================== */
html[lang="en"] .ar {
    display: none;
}

html[lang="en"] .en {
    display: inline;
}

html[lang="ar"] .ar {
    display: inline;
}

html[lang="ar"] .en {
    display: none;
}

/* ==================== Form Message ==================== */
.form-message {
    padding: 1rem;
    border-radius: 0.5rem;
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background-color: rgba(0, 204, 136, 0.2);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
}

.form-message.error {
    display: block;
    background-color: rgba(255, 100, 100, 0.2);
    color: #ff6464;
    border: 1px solid #ff6464;
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-image {
        margin-top: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .nav {
        display: none;
    }

    .dashboard-overlay,
    .reports-overlay {
        position: relative; /* في الموبايل، نجعل النص تحت الصورة بدلاً من فوقها لقراءتها بشكل أفضل */
        background: transparent;
        padding: 1.5rem 0;
    }
    
    /* في حال أردنا بقاء النص فوق الصورة في الموبايل، نحذف الـ block أعلاه ونستخدم هذا: */
    /* لكن نظراً للمشاكل، يفضل بقاؤها overlay مع تقليل الحجم أو استخدام التنسيق التالي */
    
    .dashboard-section, .reports-section {
        height: auto;
    }

    .overlay-content h3 {
        font-size: 1.3rem;
        margin-top: 1rem;
    }

    .dashboard-stats,
    .reports-stats {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .dashboard-stats,
    .reports-stats {
        grid-template-columns: 1fr; /* عمود واحد في الشاشات الصغيرة جداً */
    }

    .stat-value {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 15px;
    }
}