:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --light-blue: #dbeafe;
    --dark-blue: #1e3a8a;
    --text-dark: #1f2937;
    --text-light: #6b7280;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
    direction: rtl;
    text-align: right;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

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

.clinic-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.clinic-logo i {
    font-size: 2.5rem;
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    text-align: center;
    margin-bottom: 1rem;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 400;
}

.access-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.access-btn {
    padding: 1.5rem 3rem;
    border-radius: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 200px;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-patient {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
}

.btn-patient:hover {
    background: linear-gradient(135deg, #059669, #047857);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(16, 185, 129, 0.4);
}

.btn-clinic {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border: none;
}

.btn-clinic:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(245, 158, 11, 0.4);
}

.btn-technician {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
    border: none;
}

.btn-technician:hover {
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(139, 92, 246, 0.4);
}

.btn-doctor {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border: none;
}

.btn-doctor:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(239, 68, 68, 0.4);
}

.features-section {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    margin-top: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.footer {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    margin-top: 2rem;
}

/* RTL specific adjustments */
.access-btn i {
    order: 2;
}

.access-btn span {
    order: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .access-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .access-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .clinic-logo {
        width: 60px;
        height: 60px;
    }
    
    .clinic-logo i {
        font-size: 2rem;
    }
}

/* Animation */
.fade-in {
    animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}