/* ============================================
   9. CARDS: Lesson, Project, Resource
   ============================================ */

.lessons-section {
    padding:32px 32px;
    max-width:1100px;
    margin:0 auto;
}

.section-header {
    margin-bottom:48px;
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    align-items:center;
    gap:16px;
    padding:0 32px;
}

.section-header .section-title-wrap {
    flex:1;
    min-width:200px;
    min-height:60px;
}

.section-header h2 {
    font-size:2rem;
    margin-bottom:8px;
    background: linear-gradient(to top, #800000, #ffffff);
    -webkit-background-clip: text;
    color: transparent;
}

[data-theme="light"] .section-header h2 {
    background: linear-gradient(to top, #ffffff, #800000);
    -webkit-background-clip: text;
    color: transparent;
}

.section-header p {
    font-family:'IBM Plex Mono',monospace;
    color:var(--charcoal);
}

.lessons-grid {
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(320px,1fr));
    gap:24px;
}

.lesson-card {
    background:var(--white);
    border:1px solid #e0e0e0;
    padding:24px;
    cursor:pointer;
    transition:all 0.1s;
    position:relative;
    text-decoration:none;
    color:var(--black);
}

[data-theme="dark"] .lesson-card {
    border:1px solid #444;
}

.lesson-card:link,.lesson-card:visited {
    color:var(--black);
}

.lesson-card:hover {
    box-shadow: 0 0 8px rgba(0,0,0,0.15);
    border-color:var(--black) !important;
}

[data-theme="dark"] .lesson-card:hover {
    box-shadow: 0 0 8px rgba(255,255,255,0.45);
    border-color:#e0e0e0 !important;
}

.lesson-card.completed {
    border-color:transparent;
}

.lesson-card.completed::after {
    content:'✓';
    position:absolute;
    top:16px;
    right:16px;
    font-size:1.5rem;
    color:var(--dark-green);
    font-weight:bold;
}

.lesson-card h3 {
    color:var(--black);
}

.lesson-number {
    font-family:'IBM Plex Mono',monospace;
    font-size:0.875rem;
    color:var(--charcoal);
    margin-bottom:8px;
}

.lesson-title {
    font-size:1.25rem;
    margin-bottom:12px;
    line-height:1.3;
    color:var(--black);
}

.lesson-desc {
    font-size:0.9rem;
    color:var(--charcoal);
    margin-bottom:16px;
}

.badge {
    display:inline-block;
    padding:4px 12px;
    font-family:'IBM Plex Mono',monospace;
    font-size:0.75rem;
    border:none;
    text-transform:uppercase;
}

.badge-beginner {
    background:var(--ivory);
}

.badge-intermediate {
    background:var(--black);
    color:var(--white);
}

.badge-advanced {
    background:var(--white);
    color:var(--black);
}

/* ============================================
   10. PROJECT CARDS
   ============================================ */

.projects-section {
    padding:64px 32px;
    max-width:1100px;
    margin:0 auto;
}

.projects-section h2 {
    font-size:2rem;
    margin-bottom:8px;
}

.projects-grid {
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(400px,1fr));
    gap:24px;
}

@media (max-width:500px) {
    .projects-grid {
        grid-template-columns:1fr;
    }
}

.project-card {
    background:var(--white);
    border:1px solid #ccc;
    padding:32px;
    text-decoration:none;
    color:var(--black);
    transition:all 0.1s;
    box-shadow:none;
}

.project-card:hover {
    box-shadow:none;
    border-color:var(--black) !important;
}

[data-theme="dark"] .project-card:hover {
    border-color:#e0e0e0 !important;
}

.project-icon {
    font-size:2.5rem;
    margin-bottom:16px;
}

.project-card h3 {
    font-size:1.5rem;
    margin-bottom:12px;
}

.project-card p {
    margin-bottom:20px;
    line-height:1.6;
}

.project-stack {
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-bottom:16px;
}

.stack-item {
    background:var(--black);
    color:var(--white);
    padding:4px 12px;
    font-family:'IBM Plex Mono',monospace;
    font-size:0.75rem;
    border:none;
}

.project-level {
    font-family:'IBM Plex Mono',monospace;
    font-size:0.875rem;
    border:none;
    padding:4px 12px;
    display:inline-block;
}

/* ============================================
   11. RESOURCE CARDS
   ============================================ */

.resources-section {
    padding:64px 32px;
    max-width:1200px;
    margin:0 auto;
}

.resources-section h2 {
    font-size:2rem;
    margin-bottom:32px;
}

.resources-note {
    font-family:'IBM Plex Mono',monospace;
    color:var(--charcoal);
    margin-bottom:24px;
}

.resources-grid {
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
    gap:24px;
}

.resource-card {
    background:var(--white);
    border:1px solid #ccc;
    padding:24px;
}

.resource-card:hover {
    border-color:var(--black) !important;
}

[data-theme="dark"] .resource-card:hover {
    border-color:#e0e0e0 !important;
}

.resource-card h3 {
    font-size:1.1rem;
    margin-bottom:12px;
}

.resource-card a {
    color:var(--black);
    font-family:'IBM Plex Mono',monospace;
    font-size:0.9rem;
}

/* ============================================
   12. BLOG & GAMES GRID
   ============================================ */

.blog-grid .lesson-card,
#games .lesson-card {
    border:1px solid #e0e0e0;
    outline:none;
    transition:none !important;
}

[data-theme="dark"] .blog-grid .lesson-card,
[data-theme="dark"] #games .lesson-card {
    border:1px solid #444;
}

.blog-grid .lesson-card:hover,
.blog-grid .lesson-card:focus,
#games .lesson-card:hover,
#games .lesson-card:focus {
    box-shadow:none !important;
    border:1px solid #000000 !important;
    outline:none !important;
}

[data-theme="dark"] .blog-grid .lesson-card:hover,
[data-theme="dark"] .blog-grid .lesson-card:focus,
[data-theme="dark"] #games .lesson-card:hover,
[data-theme="dark"] #games .lesson-card:focus {
    box-shadow:none !important;
    border:1px solid #e0e0e0 !important;
    outline:none !important;
}