:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --accent-color: #0ea5e9;
    --success-color: #10b981;
}

.hero-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.navbar {
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    background: white !important;
}

/* Fixed navbar - doesn't scroll */
.navbar.fixed-top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
}

/* Add padding to body to account for fixed navbar */
body {
    padding-top: 76px;
}

.footer {
    background: #1e3a5f;
    color: white;
}

.stat-card {
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 3rem;
}

/* Hero Section with Medical Professional */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 80px;
    overflow: hidden;
}

.hero-image-container {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-medical-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    object-fit: contain;
    display: block;
}

.hero-medical-placeholder {
    width: 100%;
    max-width: 600px;
    height: 500px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.hero-medical-placeholder i {
    font-size: 8rem;
    opacity: 0.5;
    margin-bottom: 1rem;
}

.hero-medical-placeholder p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

@media (max-width: 991px) {
    .hero-section {
        padding-top: 120px;
        min-height: auto;
    }
    
    .hero-medical-image,
    .hero-medical-placeholder {
        max-width: 100%;
        margin-top: 3rem;
    }
}

/* Dropdown menu styling */
.dropdown-menu {
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    margin-top: 0.5rem;
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
}

.dropdown-divider {
    margin: 0.5rem 0;
}

.navbar-nav .nav-link {
    color: #1e293b !important;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
}