:root {
    /* Color Palette - Premium Medical Teal/Blue Theme */
    --primary-color: #00796b; /* Teal 700 */
    --primary-light: #4db6ac; /* Teal 300 */
    --primary-dark: #004d40; /* Teal 900 */
    --secondary-color: #0f172a; /* Slate 900 for serious content */
    --accent-color: #38bdf8; /* Sky 400 for highlights */
    
    --bg-color: #ffffff;
    --bg-secondary: #f8fafc; /* Slate 50 */
    --bg-alt: #f1f5f9; /* Slate 100 for alternating sections */
    --text-color: #1e293b; /* Slate 800 */
    --text-muted: #64748b; /* Slate 500 */
    
    --border-color: #e2e8f0;
    
    --font-primary: 'Outfit', sans-serif; /* Modern, clean sans-serif */
    
    --navbar-height: 80px;
}



body {
    font-family: var(--font-primary);
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Utilities */
.text-primary-custom { color: var(--primary-color) !important; }
.bg-primary-custom { background-color: var(--primary-color) !important; }
.btn-primary-custom {
    background-color: var(--primary-color);
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-weight: 600;
}
.btn-primary-custom:hover {
    background-color: var(--primary-dark);
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Custom Backgrounds */
.bg-alt { background-color: var(--bg-alt) !important; transition: background-color 0.3s ease; }

/* Soft Badge */
.badge-soft-primary {
    background-color: rgba(0, 121, 107, 0.1); /* Primary with opacity */
    color: var(--primary-color);
}


/* Card Overrides for Dark Mode */
.card {
    background-color: var(--bg-secondary);
    color: var(--text-color);
    border-color: var(--border-color);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: var(--navbar-height);
}

.nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-link:hover, .nav-link.active {
    color: var(--primary-color) !important;
}

/* Services Cards */
.service-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    height: 100%;
}
.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

/* Doctor Cards */
.doctor-card {
    border: none;
    background: var(--bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}
.doctor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}
.doctor-img-wrapper {
    height: 300px;
    overflow: hidden;
    background-color: var(--border-color); /* Placeholder color */
    display: flex;
    align-items: center;
    justify-content: center;
}
.doctor-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.doctor-card:hover .doctor-img {
    transform: scale(1.05);
}
.doctor-info {
    padding: 1.5rem;
}

/* Form */
.form-control {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-color);
    padding: 12px 16px;
    border-radius: 8px;
}
.form-control:focus {
    background-color: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--text-color);
    box-shadow: none;
}