:root {
            --primary-teal: #00796b;
            --secondary-teal: #4db6ac;
            --accent-coral: #ff8a65;
            --medical-alert: #d32f2f;
            --soft-bg: #f4fbf9;
            --text-dark: #1a202c;
            --text-muted: #4a5568;
            --white: #ffffff;
            --glass: rgba(255, 255, 255, 0.95);
        }

        /* --- GLOBAL STYLES --- */
        body {
            font-family: 'Inter', sans-serif;
            color: var(--text-dark);
            line-height: 1.7;
            background-color: var(--white);
            overflow-x: hidden;
        }

        h1, h2, h3, h4, .font-outfit {
            font-family: 'Outfit', sans-serif;
            color: var(--primary-teal);
        }

        /* --- NAVIGATION --- */
        .navbar {
            background: var(--glass);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 1.2rem 0;
            transition: 0.3s all ease-in-out;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--primary-teal) !important;
        }
        .nav-link {
            font-weight: 500;
            color: var(--text-dark) !important;
            margin: 0 12px;
            transition: 0.3s;
        }
        .nav-link:hover { color: var(--secondary-teal) !important; }

        /* --- HERO SECTION --- */
        .hero-v3 {
            background: radial-gradient(circle at top right, #f4fbf9, #ffffff);
            padding: 160px 0 100px;
            position: relative;
        }
        .hero-v3::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100px;
            background: linear-gradient(to top, #ffffff, transparent);
        }

        /* --- CONTENT CARDS --- */
        .feature-card {
            border: none;
            border-radius: 24px;
            padding: 40px;
            background: var(--white);
            box-shadow: 0 10px 40px rgba(0,0,0,0.03);
            transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(0, 121, 107, 0.1);
        }
        .icon-circle {
            width: 80px;
            height: 80px;
            background: var(--soft-bg);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary-teal);
            margin-bottom: 25px;
        }
        

           }

        /* --- ENCYCLOPEDIA GRID --- */
        .encyclopedia-item {
            padding: 35px;
            background: white;
            border-radius: 20px;
            border-left: 5px solid var(--medical-teal);
            margin-bottom: 30px;
            box-shadow: var(--shadow-soft);
        }

       

        /* --- MEDICAL PROTOCOLS --- */
        .protocol-container {
            background: var(--white);
            border-radius: 30px;
            border: 1px solid #edf2f7;
            overflow: hidden;
        }
        .step-badge {
            background: var(--primary-teal);
            color: white;
            padding: 5px 15px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
        }

        /* --- SAFETY ZONE --- */
        .safety-alert-box {
            background: #fffafa;
            border: 2px solid #fee2e2;
            border-radius: 24px;
            padding: 50px;
        }
        .alert-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
        }
        .alert-item i {
            color: var(--medical-alert);
            margin-right: 15px;
            margin-top: 5px;
        }

        /* --- FOOTER --- */
        .footer-main {
            background: #0f172a;
            color: #94a3b8;
            padding: 100px 0 40px;
        }
        .footer-heading {
            color: var(--white);
            font-weight: 700;
            margin-bottom: 25px;
        }
        .footer-link {
            color: #94a3b8;
            text-decoration: none;
            display: block;
            margin-bottom: 15px;
            transition: 0.3s;
        }
        .footer-link:hover { color: var(--secondary-teal); padding-left: 5px; }

        /* --- STICKY CTA --- */
        .wa-float-btn {
            position: fixed;
            bottom: 40px;
            right: 40px;
            background: #25D366;
            color: white;
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 35px;
            box-shadow: 0 15px 35px rgba(37, 211, 102, 0.3);
            z-index: 10000;
            transition: 0.3s;
        }
        .wa-float-btn:hover { transform: scale(1.1) rotate(10deg); color: white; }

        /* --- UTILITIES --- */
        .section-spacer { padding: 100px 0; }
        .text-teal { color: var(--primary-teal); }
        .bg-teal-soft { background-color: var(--soft-bg); }
    .hover-shadow:hover {
            transform: translateY(-5px);
            transition: all 0.3s ease;
            box-shadow: 0 1rem 3rem rgba(0,0,0,.175)!important;
        }
        .sak-teal { color: #0d9488; }
        .bg-sak-teal { background-color: #0d9488; }