:root {
    --primary: #0056b3;
    --secondary: #e7f1ff;
    --accent: #28a745;
    --text: #344767;
    --bg: #f8f9fa;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text);
    background-color: var(--bg);
    margin: 0;
}

.top-bar { padding: 10px 10%; background: var(--primary); color: white; display: flex; justify-content: space-between; font-size: 0.8rem; }

nav { padding: 20px 10%; background: white; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); }

.hero {
    height: 500px;
    background: linear-gradient(90deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.4) 100%), url('../../../assets/clinic.png');
    background-size: cover;
    display: flex;
    align-items: center;
    padding: 0 10%;
}

.hero-content { max-width: 500px; }
.hero h1 { font-size: 2.5rem; color: var(--primary); margin-bottom: 20px; }

.btn-book { background: var(--accent); color: white; padding: 15px 30px; border-radius: 5px; text-decoration: none; font-weight: bold; }

.dept-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; padding: 100px 10%; }
.dept-card { background: white; padding: 30px; border-radius: 15px; border-top: 5px solid var(--primary); box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: 0.3s; }
.dept-card:hover { transform: translateY(-10px); }

footer { padding: 60px 10%; background: #222; color: white; }