/* ==============================================
   صفحة الدورات التدريبية - تصميم عصري
   ============================================== */

/* المتغيرات */
:root {
    --gold-primary: #FFD700;
    --gold-dark: #B8860B;
    --gold-light: #FFF8DC;
    --gold-bright: #FFED4E;
    --green-primary: #10B981;
    --green-dark: #047857;
    --green-light: #D1FAE5;
    --green-bright: #34D399;
    --orange-primary: #F59E0B;
    --orange-light: #FEF3C7;
    --red-primary: #EF4444;
    --red-light: #FEE2E2;
    --white: #FFFFFF;
    --black: #000000;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 16px;
    --border-radius-lg: 24px;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    direction: rtl;
}

/* Courses Hero Section */
.courses-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-dark) 100%);
    overflow: hidden;
    padding: 80px 0;
}

.courses-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
}

.courses-hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.courses-hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 24px;
    line-height: 1.1;
    color: var(--white);
    text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
}

.courses-hero-title .highlight {
    background: linear-gradient(45deg, var(--gold-primary), var(--gold-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.5));
}

.courses-hero-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--gold-bright);
    text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.2);
}

.courses-hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--white);
    opacity: 0.95;
    line-height: 1.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

/* Courses Section */
.courses-section {
    padding: 100px 0;
    background: var(--gray-50);
}

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

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--gold-primary), var(--green-primary));
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Courses Filter */
.courses-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--green-primary), var(--green-bright));
    transition: var(--transition);
    z-index: -1;
}

.filter-btn:hover::before,
.filter-btn.active::before {
    width: 100%;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--white);
    border-color: var(--green-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

/* Course Card */
.course-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-100);
    animation: fadeInUp 0.6s ease-out both;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

/* Course Status */
.course-status {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 5;
}

.course-status.available {
    background: var(--green-light);
    color: var(--green-dark);
    border: 1px solid var(--green-primary);
}

.course-status.coming {
    background: var(--orange-light);
    color: #D97706;
    border: 1px solid var(--orange-primary);
}

.course-status.ended {
    background: var(--red-light);
    color: #DC2626;
    border: 1px solid var(--red-primary);
}

.status-icon {
    font-size: 1rem;
}

/* Course Icon */
.course-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-bright));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 40px auto 24px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.course-card:nth-child(even) .course-icon {
    background: linear-gradient(135deg, var(--green-primary), var(--green-bright));
}

.course-card:nth-child(3n) .course-icon {
    background: linear-gradient(135deg, #8B5CF6, #A78BFA);
}

.course-icon i {
    font-size: 2rem;
    color: var(--white);
}

.course-card:hover .course-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Course Title */
.course-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
    text-align: center;
    line-height: 1.4;
}

/* Course Info */
.course-info {
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--gray-600);
    font-weight: 500;
}

.info-item i {
    color: var(--green-primary);
    font-size: 1rem;
    width: 20px;
}

/* Course Description */
.course-description {
    margin-bottom: 24px;
}

.course-description p {
    color: var(--gray-600);
    line-height: 1.6;
    font-size: 1rem;
}

/* Course Price */
.course-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-bright));
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.course-card:hover .course-price {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* Subscribe Button */
.btn-subscribe {
    background: linear-gradient(135deg, var(--green-primary), var(--green-bright));
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-subscribe::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition);
}

.btn-subscribe:hover::before {
    left: 100%;
}

.btn-subscribe:hover {
    background: linear-gradient(135deg, var(--green-bright), var(--green-primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Ended Button */
.btn-ended {
    background: var(--gray-300);
    color: var(--gray-600);
    border: none;
    border-radius: var(--border-radius);
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: not-allowed;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    opacity: 0.7;
}

/* Statistics Section */
.courses-stats {
    padding: 80px 0;
    background: var(--white);
    position: relative;
}

.courses-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 2;
}

.stat-item {
    text-align: center;
    padding: 32px 24px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--green-primary), var(--green-bright));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.stat-item:nth-child(even) .stat-icon {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-bright));
}

.stat-icon i {
    font-size: 2rem;
    color: var(--white);
}

.stat-item:hover .stat-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--gray-900);
    margin-bottom: 12px;
    line-height: 1;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-600);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animation delays for course cards */
.course-card:nth-child(1) { animation-delay: 0.1s; }
.course-card:nth-child(2) { animation-delay: 0.2s; }
.course-card:nth-child(3) { animation-delay: 0.3s; }
.course-card:nth-child(4) { animation-delay: 0.4s; }
.course-card:nth-child(5) { animation-delay: 0.5s; }
.course-card:nth-child(6) { animation-delay: 0.6s; }
.course-card:nth-child(7) { animation-delay: 0.7s; }
.course-card:nth-child(8) { animation-delay: 0.8s; }
.course-card:nth-child(9) { animation-delay: 0.9s; }

/* Responsive Design */
@media (max-width: 768px) {
    .courses-hero-title {
        font-size: 2.5rem;
    }

    .courses-hero-subtitle {
        font-size: 1.4rem;
    }

    .courses-hero-description {
        font-size: 1rem;
    }

    .section-header h2 {
        font-size: 2.2rem;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .course-card {
        padding: 24px;
    }

    .courses-filter {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .filter-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .courses-hero {
        min-height: 50vh;
        padding: 60px 0;
    }

    .courses-hero-title {
        font-size: 2rem;
    }

    .courses-hero-subtitle {
        font-size: 1.2rem;
    }

    .courses-hero-description {
        font-size: 0.95rem;
    }

    .courses-section,
    .courses-stats {
        padding: 60px 0;
    }

    .course-card {
        padding: 20px;
    }

    .course-status {
        top: 16px;
        left: 16px;
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .course-icon {
        width: 60px;
        height: 60px;
        margin: 30px auto 20px;
    }

    .course-icon i {
        font-size: 1.5rem;
    }

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

    .course-price {
        font-size: 1.3rem;
        padding: 10px 20px;
    }

    .btn-subscribe,
    .btn-ended {
        padding: 14px 24px;
        font-size: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .stat-item {
        padding: 24px 16px;
    }

    .stat-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 16px;
    }

    .stat-icon i {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-label {
        font-size: 1rem;
    }
}