:root {
    --cardinal: #8C1515;
    --cardinal-dark: #6F1010;
    --cardinal-light: #B83A3A;
    --sandstone: #D2C295;
    --sandstone-light: #F4F1E7;
    --palo-alto: #175E54;
    --fog: #F4F4F4;
    --cool-grey: #4D4F53;
    --black: #2E2D29;
    --white: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.12);
}

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

body {
    font-family: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--black);
    background: var(--fog);
    line-height: 1.6;
}

/* Header */
.header {
    background: var(--cardinal);
    color: var(--white);
    padding: 0;
}

.header-top {
    background: var(--cardinal-dark);
    padding: 0.5rem 2rem;
    font-size: 0.85rem;
}

.header-top a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--white);
}

.logo-mark {
    font-weight: 700;
    font-size: 1.8rem;
    letter-spacing: -1px;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.header-nav {
    display: flex;
    gap: 2rem;
}

.header-nav a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s;
}

.header-nav a:hover,
.header-nav a.active {
    border-color: var(--sandstone);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--cardinal) 0%, var(--cardinal-dark) 100%);
    color: var(--white);
    padding: 3rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.hero .subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Main Layout */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
}

@media (max-width: 960px) {
    .main-container {
        grid-template-columns: 1fr;
    }
}

/* Sidebar Filters */
.sidebar {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow);
    padding: 1.5rem;
    height: fit-content;
    position: sticky;
    top: 2rem;
}

.sidebar h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--cool-grey);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
}

.filter-group {
    margin-bottom: 1.5rem;
}

.filter-group h4 {
    font-size: 0.9rem;
    color: var(--black);
    margin-bottom: 0.75rem;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--cool-grey);
    transition: color 0.2s;
}

.filter-item:hover {
    color: var(--cardinal);
}

.filter-item input[type="checkbox"] {
    accent-color: var(--cardinal);
}

.filter-count {
    margin-left: auto;
    font-size: 0.8rem;
    color: #999;
}

/* Content Area */
.content {
    min-width: 0;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.results-count {
    font-size: 1.1rem;
    color: var(--cool-grey);
}

.view-toggle {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    background: var(--white);
    cursor: pointer;
    font-size: 0.85rem;
    border-radius: 4px;
}

.view-btn.active {
    background: var(--cardinal);
    color: var(--white);
    border-color: var(--cardinal);
}

/* Course Cards Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.course-card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-hover);
}

.card-header {
    background: linear-gradient(135deg, var(--cardinal-light) 0%, var(--cardinal) 100%);
    color: var(--white);
    padding: 1.5rem;
    min-height: 100px;
}

.card-header .badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
}

.card-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.3;
}

.card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-description {
    font-size: 0.9rem;
    color: var(--cool-grey);
    margin-bottom: 1rem;
    flex: 1;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.meta-tag {
    background: var(--sandstone-light);
    color: var(--cool-grey);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.meta-tag.chapter {
    background: #e8f4f2;
    color: var(--palo-alto);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.scripts-count {
    font-size: 0.85rem;
    color: var(--cool-grey);
}

.explore-link {
    color: var(--cardinal);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
}

.explore-link:hover {
    text-decoration: underline;
}

/* Page Content Sections */
.page-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

.section {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.section h2 {
    font-size: 1.5rem;
    color: var(--cardinal);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--sandstone-light);
}

.section h3 {
    font-size: 1.15rem;
    color: var(--black);
    margin: 1.5rem 0 0.75rem;
}

.section p {
    margin-bottom: 1rem;
    color: var(--cool-grey);
}

.section ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.section li {
    margin-bottom: 0.5rem;
    color: var(--cool-grey);
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    background: var(--sandstone-light);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--cool-grey);
}

.data-table tr:hover {
    background: #fafafa;
}

/* Code Blocks */
.code-block {
    background: #2E2D29;
    color: #f8f8f2;
    padding: 1rem 1.25rem;
    border-radius: 6px;
    font-family: 'SF Mono', 'Monaco', 'Menlo', monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    margin: 1rem 0;
}

.code-block .comment {
    color: #6a9955;
}

.code-block .keyword {
    color: #c678dd;
}

.code-block .string {
    color: #98c379;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.complete {
    background: #e8f5e9;
    color: #2e7d32;
}

.status-badge.in-progress {
    background: #fff3e0;
    color: #ef6c00;
}

/* Phase Cards */
.phases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.phase-card {
    background: var(--sandstone-light);
    border-radius: 8px;
    padding: 1.25rem;
    text-align: center;
    border-left: 4px solid var(--cardinal);
}

.phase-card .phase-num {
    font-size: 2rem;
    font-weight: 700;
    color: var(--cardinal);
}

.phase-card h4 {
    margin: 0.5rem 0;
    color: var(--black);
}

.phase-card p {
    font-size: 0.85rem;
    color: var(--cool-grey);
    margin: 0;
}

/* Breadcrumb */
.breadcrumb {
    padding: 1rem 2rem;
    background: var(--white);
    border-bottom: 1px solid #eee;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--cardinal);
    text-decoration: none;
}

.breadcrumb span {
    color: var(--cool-grey);
    margin: 0 0.5rem;
}

/* Footer */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 3rem 2rem;
    margin-top: 3rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    color: var(--sandstone);
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: block;
    padding: 0.3rem 0;
    font-size: 0.9rem;
}

.footer a:hover {
    color: var(--white);
}

.footer-bottom {
    max-width: 1400px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .header-main {
        flex-direction: column;
        gap: 1rem;
    }

    .header-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }
}