/* HMS Immunology Custom Styles */

:root {
    --hms-primary: #c8102e;
    --hms-secondary: #8996a0;
    --hms-dark: #2c3e50;
    --hms-light: #f8f9fa;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

/* Navigation */
.navbar-brand {
    font-weight: 400;
    font-size: 1.3rem;
    color: var(--hms-primary) !important;
    letter-spacing: 0.5px;
    font-family: 'Georgia', 'Times New Roman', serif;
}

.navbar-dark {
    background-color: white !important;
    border-bottom: 2px solid var(--hms-primary);
}

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

.navbar-dark .navbar-nav .nav-link:hover {
    color: #a00d26 !important;
}

.navbar-dark .navbar-toggler {
    border-color: var(--hms-primary);
}

.navbar-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23c8102e' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.bg-primary {
    background-color: var(--hms-primary) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 100px 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-section h1 a {
    transition: color 0.3s ease;
}

.hero-section h1 a:hover {
    color: var(--hms-primary) !important;
}

.hero-section .col-lg-6 {
    padding: 0 2rem;
}

.hero-image {
    text-align: center;
    animation: float 3s ease-in-out infinite;
}

.hero-logo {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

/* Buttons */
.btn-primary {
    background-color: var(--hms-primary);
    border-color: var(--hms-primary);
}

.btn-primary:hover {
    background-color: #a00d26;
    border-color: #a00d26;
}

.btn-outline-primary {
    color: var(--hms-primary);
    border-color: var(--hms-primary);
}

.btn-outline-primary:hover {
    background-color: var(--hms-primary);
    border-color: var(--hms-primary);
}

/* Sections */
section {
    scroll-margin-top: 70px;
}

/* Text Colors */
.text-primary {
    color: var(--hms-primary) !important;
}

/* Alert */
.alert-info {
    background-color: #e8f4fd;
    border-color: #bee5eb;
    color: #0c5460;
}

/* Footer */
footer {
    background-color: var(--hms-dark) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
        text-align: center;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .hero-image {
        margin-top: 30px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Icon Styling */
.fa-10x {
    font-size: 8em;
}

/* Navigation active state */
.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* Card icon styling */
.card-body i {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.card:hover .card-body i {
    opacity: 1;
}