/* =========================================
   WSU CHEMISTRY - MASTER AAA STYLESHEET 2025
   Combined: Main Page & Subpage Features
   ========================================= */

/* 1. BASE SETTINGS */
html {
    scroll-behavior: smooth;
}

body {
    background-color: #F9F9FB;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: #222222;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* 2. SKIP TO CONTENT (Fixed Target for AAA) */
.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    background: #222222;
    color: #FFFFFF;
    padding: 10px 20px;
    z-index: 1001; /* Must be above sticky nav */
    text-decoration: underline;
    font-weight: 700;
    border: 2px solid #FFFFFF;
}

.skip-link:focus {
    top: 0;
}

/* 3. HEADER & BRANDING */
header {
    text-align: center;
    padding: 1.5rem 1rem;
    background-color: #541E77;
    color: #FFFFFF;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.site-title {
    font-size: 2.2rem;
    margin: 0;
    font-weight: 700;
}

.subtitle {
    font-size: 1.2rem;
    margin-top: 0.3rem;
}

.icon {
    width: 28px;
    height: 28px;
    vertical-align: middle;
    margin: 0 8px;
}

/* 4. MAIN LAYOUT & STICKY NAV */
.course-section {
    width: 95%;
    max-width: 900px;
    margin: 2rem auto;
    padding: 1.5rem;
    background-color: #FFFFFF;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.breadcrumb-nav {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: #FFFFFF; /* Ensures background is solid when scrolling */
    padding: 12px 0;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #EEEEEE;
}

.back-button {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    color: #541E77;
    text-decoration: underline;
    text-underline-offset: 4px;
    font-weight: 700;
    border-radius: 4px;
}

.back-button span {
    margin-right: 8px;
    text-decoration: none;
}

.back-button:hover {
    background-color: #F3F0F9;
}

.back-button:focus {
    outline: 3px solid #222222;
    outline-offset: 2px;
}

/* 5. INTRO GRID & FACULTY CARD (For Subpages) */
.intro-grid {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
    align-items: start;
}

@media (min-width: 768px) {
    .intro-grid {
        grid-template-columns: 1.5fr 1fr;
    }
}

.faculty-card {
    background-color: #F3F0F9;
    border-left: 5px solid #541E77;
    padding: 1rem;
    border-radius: 4px;
    font-size: 0.95rem;
}

.faculty-name {
    font-weight: 700;
    color: #541E77;
    font-size: 1.15rem;
    margin: 0 0 8px 0 !important;
}

.faculty-card p {
    margin: 5px 0;
}

.faculty-card a {
    color: #541E77;
    text-decoration: underline;
}

/* 6. COURSE LIST (CARDS) */
.course-heading {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #541E77;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
}

.course-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 12px;
    scroll-margin-top: 80px; /* Offset for skip-link jump */
}

.course-group-header {
    background-color: #F3F0F9;
    color: #541E77;
    padding: 8px 15px;
    margin-top: 1rem;
    border-radius: 4px;
}

.course-group-header h3 {
    margin: 0;
    font-size: 1.1rem;
    text-transform: uppercase;
}

.course-item {
    border: 1px solid #E0E0E0;
    border-radius: 6px;
    background-color: #FFFFFF;
    transition: all 0.2s ease;
}

.course-item:hover {
    border-color: #541E77;
    box-shadow: 0 4px 12px rgba(84, 30, 119, 0.12);
    transform: translateY(-2px);
}

.course-item a {
    display: flex;
    flex-direction: column;
    padding: 12px 40px 12px 16px; /* Right padding for the arrow */
    color: #541E77;
    text-decoration: underline;
    text-underline-offset: 4px;
    font-weight: 600;
    position: relative;
}

.link-desc {
    display: block;
    font-size: 0.88rem;
    font-weight: 400;
    color: #444444;
    margin-top: 4px;
    text-decoration: none;
}

.course-item a::after {
    content: '→';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
}

/* 7. AAA FOCUS STATES */
.course-item a:focus {
    outline: 3px solid #222222;
    outline-offset: 4px;
}

/* 8. FOOTER */
.copyright {
    text-align: center;
    padding: 2rem;
    color: #555555;
    font-size: 0.9rem;
}

/* 9. RESPONSIVE GRID ADJUSTMENTS */
@media (min-width: 768px) {
    .course-list {
        grid-template-columns: 1fr 1fr;
    }
    .course-group-header {
        grid-column: 1 / -1;
    }
}

/* 10. UNIVERSAL SAFETY FIX FOR SHIELD LOGO */
img.shield-logo {
    height: 1.8rem !important;
    width: auto !important;
    display: inline-block;
    vertical-align: middle;
    margin-right: 12px;
}