/* --- CSS VARIABLES & RESET --- */
        :root {
            --primary: #EF4444;       
            --primary-hover: #dc2626;
            --secondary: #22C55E;     
            --dark: #111827;          
            --gray: #6B7280;          
            --light: #F3F4F6;         
            --white: #ffffff;
            --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; scroll-behavior: smooth; }

        body {
            font-family: 'Poppins', sans-serif;
            color: var(--dark);
            background-color: var(--white);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }

        /* --- NAVBAR --- */
        .navbar {
            display: flex; justify-content: space-between; align-items: center;
            padding: 1rem 5%; position: fixed; width: 100%; top: 0; z-index: 1000;
            background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05); transition: all 0.3s ease;
        }

        .logo-container { display: flex; align-items: center; gap: 10px; }
        .nav-links { display: flex; gap: 2rem; }
        .nav-links a { font-weight: 500; color: var(--gray); transition: color 0.3s; position: relative; }
        .nav-links a:hover, .nav-links a.active { color: var(--primary); }
        .nav-links a::after {
            content: ''; position: absolute; width: 0; height: 2px; bottom: -5px; left: 0;
            background-color: var(--primary); transition: width 0.3s;
        }
        .nav-links a:hover::after { width: 100%; }

        /* Login Button (Default) */
        .btn-login {
            background-color: var(--primary); color: white;
            padding: 0.6rem 1.5rem; border: none; border-radius: 50px;
            font-weight: 600; cursor: pointer; transition: all 0.3s ease;
            box-shadow: 0 4px 14px 0 rgba(239, 68, 68, 0.39);
        }
        .btn-login:hover { background-color: var(--primary-hover); transform: translateY(-2px); }

        /* --- PROFILE BUTTON (Hidden by default) --- */
        .btn-profile {
            background-color: white; color: var(--dark);
            padding: 0.5rem 1rem; border: 2px solid #E5E7EB; border-radius: 50px;
            font-weight: 600; cursor: pointer; transition: all 0.3s ease;
            display: none; /* Hidden until logged in */
            align-items: center; gap: 10px;
        }
        .btn-profile:hover { border-color: var(--secondary); background: #F0FDF4; }
        .btn-profile img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; }

        .menu-toggle { display: none; font-size: 1.5rem; cursor: pointer; }

        /* --- HERO SECTION --- */
        .hero {
            display: flex; align-items: center; justify-content: space-between;
            min-height: 90vh; padding: 0 5%; padding-top: 80px;
            background: linear-gradient(135deg, #FFF 0%, #FFF5F5 100%); position: relative;
        }
        .hero-content { flex: 1; max-width: 600px; animation: fadeLeft 1s ease-out; }
        .hero-content h1 { font-size: 3.5rem; line-height: 1.2; margin-bottom: 1.5rem; color: var(--dark); }
        .hero-content p { font-size: 1.1rem; color: var(--gray); margin-bottom: 2rem; }
        .cta-buttons { display: flex; gap: 1rem; }
        
        .btn-primary {
            background-color: var(--primary); color: white; padding: 1rem 2rem;
            border: none; border-radius: 8px; font-weight: 600; cursor: pointer; transition: all 0.3s;
        }
        .btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-3px); }
        
        .btn-outline {
            background-color: transparent; color: var(--dark); padding: 1rem 2rem;
            border: 2px solid var(--dark); border-radius: 8px; font-weight: 600; cursor: pointer; transition: all 0.3s;
        }
        .btn-outline:hover { background-color: var(--dark); color: white; transform: translateY(-3px); }

        .hero-image { flex: 1; display: flex; justify-content: center; position: relative; animation: fadeRight 1s ease-out; }
        .floating-icon {
            font-size: 180px; color: var(--primary);
            filter: drop-shadow(0 20px 30px rgba(239, 68, 68, 0.2));
            animation: float 6s ease-in-out infinite;
        }

        /* --- SECTIONS --- */
        .stats-bar { background: var(--dark); color: white; display: flex; justify-content: space-around; padding: 2rem 5%; flex-wrap: wrap; gap: 2rem; }
        .stat-item { text-align: center; }
        .stat-number { font-size: 2rem; font-weight: 700; color: var(--secondary); display: block; }
        
        .how-it-works { padding: 5rem 5%; background-color: #F0FDF4; }
        .steps-container { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; margin-top: 3rem; }
        .step { flex: 1; min-width: 250px; text-align: center; }
        .step-number { background: var(--secondary); color: white; width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin: 0 auto 1rem; }

        .features { padding: 5rem 5%; background-color: var(--white); text-align: center; }
        .section-header { margin-bottom: 3rem; max-width: 700px; margin: 0 auto 3rem auto; }
        .section-header h2 { font-size: 2.5rem; margin-bottom: 1rem; }
        .section-header .highlight { color: var(--primary); }
        .feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
        
        .card { background: white; padding: 2rem; border-radius: 15px; box-shadow: var(--shadow); transition: transform 0.3s ease; text-align: left; border-top: 5px solid transparent; }
        .card:hover { transform: translateY(-10px); }
        .card.patient { border-color: var(--secondary); } .card.doctor { border-color: var(--primary); } .card.pharmacy { border-color: var(--dark); }
        .card i { font-size: 2.5rem; margin-bottom: 1.5rem; display: inline-block; padding: 15px; border-radius: 12px; }
        .card.patient i { color: var(--secondary); background: #DCFCE7; } .card.doctor i { color: var(--primary); background: #FEE2E2; } .card.pharmacy i { color: var(--dark); background: #E5E7EB; }

        footer { background: var(--dark); color: white; padding: 3rem 5%; text-align: center; }

        /* --- PROFILE MODAL STYLES --- */
        .modal-overlay {
            position: fixed; top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(5px);
            z-index: 2000; display: none; justify-content: center; align-items: center;
            opacity: 0; transition: opacity 0.3s;
        }
        .modal-overlay.active { display: flex; opacity: 1; }

        .profile-card {
            background: white; width: 100%; max-width: 500px;
            border-radius: 24px; padding: 2rem; position: relative;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            transform: scale(0.9); transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
        }
        .modal-overlay.active .profile-card { transform: scale(1); }

        .profile-header { text-align: center; margin-bottom: 1.5rem; position: relative; }
        
        /* Avatar Upload */
        .avatar-wrapper {
            width: 100px; height: 100px; margin: 0 auto 1rem; position: relative; cursor: pointer;
        }
        .avatar-img {
            width: 100%; height: 100%; border-radius: 50%; object-fit: cover;
            border: 3px solid var(--secondary); padding: 2px;
        }
        .avatar-overlay {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0,0,0,0.4); border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            color: white; opacity: 0; transition: 0.2s;
        }
        .avatar-wrapper:hover .avatar-overlay { opacity: 1; }

        .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
        .full-width { grid-column: span 2; }
        
        .form-group label { display: block; font-size: 0.85rem; color: var(--gray); margin-bottom: 5px; }
        .form-group input, .form-group select {
            width: 100%; padding: 10px; border: 1px solid #E5E7EB;
            border-radius: 8px; outline: none; transition: 0.2s;
        }
        .form-group input:focus { border-color: var(--secondary); }

        .btn-save { background: var(--secondary); color: white; width: 100%; padding: 12px; border: none; border-radius: 10px; font-weight: 600; cursor: pointer; }
        .btn-save:hover { background: var(--secondary-hover); }

        .btn-logout { 
            position: absolute; top: 20px; right: 20px; 
            color: var(--primary); background: #FEF2F2; 
            border: none; padding: 5px 10px; border-radius: 6px; cursor: pointer; 
        }
        .btn-logout:hover { background: #FEE2E2; }

        /* --- ANIMATIONS --- */
        @keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-20px); } 100% { transform: translateY(0px); } }
        @keyframes fadeLeft { from { opacity: 0; transform: translateX(-50px); } to { opacity: 1; transform: translateX(0); } }
        @keyframes fadeRight { from { opacity: 0; transform: translateX(50px); } to { opacity: 1; transform: translateX(0); } }
        .reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
        .reveal.active { opacity: 1; transform: translateY(0); }

        /* --- MOBILE --- */
        @media (max-width: 768px) {
            .navbar { padding: 1rem; }
            .menu-toggle { display: block; color: var(--dark); }
            .nav-links {
                position: absolute; top: 70px; left: 0; width: 100%; background: white;
                flex-direction: column; align-items: center; padding: 2rem;
                box-shadow: 0 10px 10px rgba(0,0,0,0.1); clip-path: circle(0px at 90% -10%);
                transition: all 0.5s ease-out;
            }
            .nav-links.open { clip-path: circle(1000px at 90% -10%); }
            .hero { 
                    flex-direction: column-reverse; 
                    text-align: center; 
                    padding-top: 100px; 
                    padding-bottom: 60px; /* Added padding to push the stats bar down */
                }
                .hero-content h1 { font-size: 2.5rem; }
                .cta-buttons { 
                    justify-content: center; 
                    flex-direction: column; 
                    gap: 15px; /* Adds a bit more space between the stacked buttons */
                    margin-bottom: 20px; /* Extra safety margin */
                }
            .desktop-only { display: none !important; }
            .mobile-only { display: block !important; margin-top: 10px; }
        }


        /* --- MODERN PROFILE DROPDOWN --- */
.profile-menu-container { 
    position: relative; 
    z-index: 1050;
}

.profile-trigger {
    display: flex; align-items: center; gap: 10px; cursor: pointer;
    padding: 6px 16px 6px 6px; border-radius: 50px;
    background: rgba(255, 255, 255, 0.7); 
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
}

.profile-trigger:hover { 
    background: #F9FAFB; 
    border-color: var(--secondary); 
}

.profile-trigger img { 
    width: 38px; height: 38px; border-radius: 50%; 
    object-fit: cover; /* Ensures image isn't squished */
    border: 2px solid white; box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.user-name { 
    font-weight: 600; font-size: 0.9rem; color: var(--dark); 
    max-width: 120px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; 
}

.dropdown-icon { 
    font-size: 0.8rem; color: var(--gray); transition: transform 0.3s ease; 
}

.profile-trigger.active .dropdown-icon { 
    transform: rotate(180deg); 
}

/* Dropdown Menu Box */
.profile-dropdown {
    position: absolute; top: 120%; right: 0; width: 220px;
    background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(12px);
    border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    padding: 8px 0; opacity: 0; visibility: hidden;
    transform: translateY(-15px); transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid rgba(0,0,0,0.05);
}

.profile-dropdown.show { 
    opacity: 1; visibility: visible; transform: translateY(0); 
}

.dropdown-header {
    padding: 10px 20px; border-bottom: 1px solid #E5E7EB; margin-bottom: 8px;
}

.dropdown-item {
    display: flex; align-items: center; gap: 12px; padding: 10px 20px;
    color: var(--dark); font-size: 0.9rem; font-weight: 500; transition: background 0.2s;
}

.dropdown-item i { width: 18px; text-align: center; color: var(--gray); transition: color 0.2s; }
.dropdown-item:hover { background: #F3F4F6; color: var(--primary); }
.dropdown-item:hover i { color: var(--primary); }

.dropdown-divider { height: 1px; background: #E5E7EB; margin: 8px 0; }
.text-danger { color: #EF4444 !important; }
.text-danger:hover { background: #FEE2E2; color: #DC2626 !important; }
.mobile-only { display: none; }

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .profile-trigger .user-name, .profile-trigger .dropdown-icon { display: none; } /* Only show Avatar */
    .profile-trigger { padding: 0; border: none; background: transparent; }
    .profile-trigger:hover { background: transparent; }
    .profile-trigger img { width: 42px; height: 42px; } /* Slightly larger on mobile */
    .profile-dropdown { right: -50px; width: 240px; } /* Center dropdown under avatar */
    .mobile-only { display: block; }
}