/* Custom styles for Stack Moments - Daily */

:root {
    /* Modern Palette - Indigo Primary */
    --color-primary-50: 239, 246, 255;
    --color-primary-100: 219, 234, 254;
    --color-primary-200: 191, 219, 254;
    --color-primary-300: 147, 197, 253;
    --color-primary-400: 96, 165, 250;
    --color-primary-500: 59, 130, 246;
    --color-primary-600: 37, 99, 235;
    --color-primary-700: 29, 78, 216;
    --color-primary-800: 30, 64, 175;
    --color-primary-900: 30, 58, 138;
    --color-primary-950: 23, 37, 84;

    /* Neutrals - Slate */
    --color-neutral-50: 248, 250, 252;
    --color-neutral-100: 241, 245, 249;
    --color-neutral-200: 226, 232, 240;
    --color-neutral-300: 203, 213, 225;
    --color-neutral-400: 148, 163, 184;
    --color-neutral-500: 100, 116, 139;
    --color-neutral-600: 71, 85, 105;
    --color-neutral-700: 51, 65, 85;
    --color-neutral-800: 30, 41, 59;
    --color-neutral-900: 15, 23, 42;

    /* Accents */
    --color-accent-teal: 20, 184, 166;
    --color-accent-violet: 139, 92, 246;
    --color-accent-rose: 244, 63, 94;
    
    /* Semantic mapping */
    --card-bg-light: #ffffff;
    --card-border-light: rgba(var(--color-neutral-200), 0.8);
    --bg-gradient-hero: linear-gradient(180deg, rgba(var(--color-primary-50), 0.5) 0%, rgba(255,255,255,0) 100%);
}

[data-theme="dark"] {
    --card-bg-light: rgba(var(--color-neutral-800), 0.5);
    --card-border-light: rgba(var(--color-neutral-700), 0.5);
    --bg-gradient-hero: linear-gradient(180deg, rgba(var(--color-primary-950), 0.3) 0%, rgba(var(--color-neutral-900), 0) 100%);
}

/* Enhanced typography */
.post-content {
    line-height: 1.7;
}

.post-content h2,
.post-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

/* Image figure styling */
.image-figure {
    margin: 2rem 0;
    text-align: center;
}

.image-figure img {
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-width: 100%;
    height: auto;
}

.image-figure figcaption {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--secondary);
    font-style: italic;
}

.image-caption {
    text-align: center;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--secondary);
    font-style: italic;
}

/* External link styling */
.external-link-icon {
    font-size: 0.8em;
    margin-left: 0.2em;
    opacity: 0.7;
}

/* Code block enhancements */
.highlight {
    margin: 1.5rem 0;
    border-radius: 8px;
    overflow: hidden;
}

/* Comments section */
.comments-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

/* Enhanced tables */
.post-content table {
    width: 100%;
    margin: 2rem 0;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.post-content table th,
.post-content table td {
    padding: 0.75rem;
    text-align: left;
    border: 1px solid var(--border);
}

.post-content table th {
    background-color: var(--theme);
    font-weight: 600;
}

.post-content table tr:nth-child(even) {
    background-color: var(--code-bg);
}

/* Reading progress indicator */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--primary);
    z-index: 1000;
    transition: width 0.1s ease;
}

/* Enhanced search */
.search-results mark {
    background-color: var(--hljs-bg);
    padding: 0.1em 0.2em;
    border-radius: 3px;
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .post-content table {
        font-size: 0.85rem;
    }

    .post-content table th,
    .post-content table td {
        padding: 0.5rem;
    }

    .image-figure {
        margin: 1.5rem 0;
    }
}

/* Dark mode enhancements */
[data-theme="dark"] .image-figure img {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .post-content table tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Print styles */
@media print {
    .comments-section,
    .post-nav,
    .share-buttons {
        display: none;
    }

    .image-figure img {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Archive page enhancements */
.archive-posts {
    margin-top: 2rem;
}

.archive-year {
    margin: 2rem 0 1rem 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
}

.archive-month {
    margin: 1.5rem 0 0.5rem 0;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--secondary);
}

/* Topic page styling */
.topic-description {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: var(--code-bg);
    border-radius: 8px;
    border-left: 4px solid var(--primary);
}

/* Newsletter signup styling */
.newsletter-signup {
    margin: 3rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 12px;
    text-align: center;
    color: white;
}

.newsletter-signup h3 {
    margin-bottom: 1rem;
    color: white;
}

.newsletter-signup p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

/* Button styling */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.btn:hover {
    background-color: var(--secondary);
    color: white;
}

/* Responsive iframe embeds */
.embed-responsive {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    margin: 2rem 0;
}

.embed-responsive iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 8px;
}

/* Homepage layout */
.home-hero {
    padding: 6rem 0 5rem;
    display: flex;
    align-items: center;
    background: var(--bg-gradient-hero);
}

.home-hero__content {
    max-width: none;
    width: 100%;
}

.home-hero__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.home-hero__title {
    font-size: clamp(2.5rem, 5vw, 3.25rem);
    line-height: 1.1;
    margin-bottom: 1.25rem;
}

.home-hero__subtitle {
    font-size: 1.15rem;
    max-width: 640px;
    color: var(--primary);
    margin-bottom: 2rem;
}

.home-hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.home-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.85rem 1.75rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    color: rgb(var(--color-neutral-900));
}

.home-button--primary {
    background: linear-gradient(135deg, rgb(var(--color-primary-600)), rgb(var(--color-primary-500)));
    color: rgb(var(--color-neutral-50));
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.28);
}

.home-button--primary:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, rgb(var(--color-primary-700)), rgb(var(--color-primary-500)));
    box-shadow: 0 18px 38px rgba(29, 78, 216, 0.35);
    color: rgb(var(--color-neutral-50));
}

.home-button--secondary {
    background: rgba(var(--color-primary-50), 0.9);
    color: rgb(var(--color-primary-700));
    border: 2px solid rgba(var(--color-primary-400), 0.8);
}

.home-button--secondary:hover {
    transform: translateY(-2px);
    background: rgba(var(--color-primary-500), 0.12);
    color: rgb(var(--color-primary-800));
    border-color: rgba(var(--color-primary-500), 0.9);
}

.home-hero__highlights {
    display: grid;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 1rem;
    color: var(--secondary);
}

.home-hero__highlights li::before {
    content: "";
    display: inline-block;
    width: 0.75rem;
    height: 0.75rem;
    margin-right: 0.5rem;
    border-radius: 50%;
    background: var(--primary);
}

/* Highlights as cards */
.home-hero__highlights-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

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

.highlight-card {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 1rem 1.125rem;
    background: transparent;
    border: 1px solid rgba(var(--color-primary-400), 0.45);
    border-radius: 14px;
    box-shadow: 0 0 0 2px rgba(var(--color-primary-200), 0.3), 0 10px 26px rgba(var(--color-primary-500), 0.12);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.highlight-card:hover {
    transform: translateY(-2px);
    border-color: rgba(var(--color-primary-500), 0.65);
    box-shadow: 0 0 0 2px rgba(var(--color-primary-300), 0.55), 0 14px 34px rgba(var(--color-primary-600), 0.18);
}

.highlight-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    color: rgb(var(--color-primary-600));
    background: rgba(var(--color-primary-100), 0.9);
    box-shadow: inset 0 0 0 1px rgba(var(--color-primary-300), 0.55);
}

.highlight-card__text {
    margin: 0;
    color: var(--secondary);
    font-size: 0.98rem;
}

[data-theme="dark"] .highlight-card {
    background: transparent;
    border-color: rgba(var(--color-primary-500), 0.55);
    box-shadow: 0 0 0 2px rgba(var(--color-primary-800), 0.55), 0 12px 30px rgba(0, 0, 0, 0.55);
}

[data-theme="dark"] .highlight-card:hover {
    border-color: rgba(var(--color-primary-400), 0.9);
    box-shadow: 0 0 0 2px rgba(var(--color-primary-700), 0.8), 0 16px 38px rgba(0, 0, 0, 0.65);
}

[data-theme="dark"] .highlight-card__icon {
    background: rgba(var(--color-primary-800), 0.5);
    color: rgb(var(--color-primary-200));
    box-shadow: inset 0 0 0 1px rgba(var(--color-primary-700), 0.6);
}

[data-theme="dark"] .highlight-card__text {
    color: rgb(var(--color-neutral-100));
}

.home-intro {
    margin-bottom: 3rem;
}

.home-card {
    background: var(--card-background);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.home-card--intro p {
    font-size: 1.05rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.home-section {
    margin-bottom: 4rem;
}

.home-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.home-section__header h2 {
    font-size: 1.75rem;
    margin: 0;
}

.home-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
}

.home-link::after {
    content: "→";
    transition: transform 0.2s ease;
}

.home-link:hover::after {
    transform: translateX(3px);
}

.home-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.75rem;
}

.home-grid--topics {
    gap: 1.25rem;
}

.home-article-card,
.home-topic-card {
    background: var(--card-background);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
}

.home-article-card__meta,
.home-brief-card__meta {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--secondary);
}

.home-article-card__title,
.home-brief-card__title,
.home-topic-card__title {
    margin: 0;
    font-size: 1.35rem;
}

.home-article-card__summary,
.home-brief-card__summary,
.home-topic-card__summary {
    flex: 1;
    font-size: 1rem;
    color: var(--secondary);
}

.home-briefs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.home-brief-card {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.12), rgba(59, 130, 246, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: 0 16px 34px rgba(37, 99, 235, 0.12);
}

.home-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.home-feature {
    background: var(--card-background);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 1.75rem;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}

.home-feature h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.home-card--rss {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.home-card--rss p {
    flex: 1;
    margin: 0;
    font-size: 1.05rem;
    color: var(--secondary);
}

@media (max-width: 960px) {
    .home-hero {
        padding: 3rem 0;
    }

    .home-card,
    .home-article-card,
    .home-topic-card,
    .home-brief-card {
        padding: 1.75rem;
    }

    .home-section__header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .home-hero__title {
        font-size: 2.25rem;
    }

    .home-card,
    .home-article-card,
    .home-topic-card,
    .home-brief-card {
        border-radius: 12px;
    }

    .home-card--rss {
        flex-direction: column;
        align-items: flex-start;
    }

    .home-button {
        width: 100%;
    }
}

[data-theme="dark"] .home-hero__subtitle {
    color: var(--secondary);
}

[data-theme="dark"] .home-card,
[data-theme="dark"] .home-article-card,
[data-theme="dark"] .home-topic-card {
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .home-button {
    color: rgb(var(--color-neutral-50));
}

[data-theme="dark"] .home-button--secondary {
    background: rgba(var(--color-primary-900), 0.35);
    color: rgb(var(--color-primary-100));
    border-color: rgba(var(--color-primary-700), 0.9);
}

[data-theme="dark"] .home-button--secondary:hover {
    background: rgba(var(--color-primary-600), 0.45);
    color: rgb(var(--color-neutral-50));
}

[data-theme="dark"] .home-brief-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(14, 165, 233, 0.18));
    border-color: rgba(59, 130, 246, 0.35);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .home-feature {
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

/* ─── Hero badge (replaces eyebrow text) ───────────────── */
.home-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgb(var(--color-primary-700));
    background: rgba(var(--color-primary-100), 0.9);
    border: 1px solid rgba(var(--color-primary-300), 0.7);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-200), 0.35);
    margin-bottom: 1.25rem;
}

[data-theme="dark"] .home-hero__badge {
    color: rgb(var(--color-primary-200));
    background: rgba(var(--color-primary-900), 0.55);
    border-color: rgba(var(--color-primary-700), 0.8);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-900), 0.5);
}

/* Keep eyebrow class for any legacy usage */
.home-hero__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

/* ─── Outline button variant ───────────────────────────── */
.home-button--outline {
    background: transparent;
    color: rgb(var(--color-primary-600));
    border: 2px solid rgba(var(--color-primary-500), 0.7);
    padding: 0.7rem 1.5rem;
}

.home-button--outline:hover {
    transform: translateY(-2px);
    background: rgba(var(--color-primary-50), 0.9);
    border-color: rgb(var(--color-primary-600));
}

[data-theme="dark"] .home-button--outline {
    color: rgb(var(--color-primary-200));
    border-color: rgba(var(--color-primary-500), 0.6);
}

[data-theme="dark"] .home-button--outline:hover {
    background: rgba(var(--color-primary-900), 0.45);
    border-color: rgb(var(--color-primary-400));
}

/* ─── Hero line-break helper ────────────────────────────── */
.home-hero__br { display: block; }
@media (max-width: 640px) { .home-hero__br { display: none; } }

/* ─── Courses Spotlight (full-width feature band) ────────── */
.courses-spotlight {
    margin: 3rem 0 4.5rem;
    padding: 4rem 0;
    background: linear-gradient(
        150deg,
        rgba(var(--color-primary-600), 0.07) 0%,
        rgba(var(--color-primary-400), 0.04) 40%,
        rgba(var(--color-primary-800), 0.07) 100%
    );
    border-top: 1px solid rgba(var(--color-primary-300), 0.3);
    border-bottom: 1px solid rgba(var(--color-primary-300), 0.3);
    position: relative;
    overflow: hidden;
}

.courses-spotlight::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -80px;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--color-primary-400), 0.12), transparent 70%);
    pointer-events: none;
}

[data-theme="dark"] .courses-spotlight {
    background: linear-gradient(
        150deg,
        rgba(var(--color-primary-900), 0.5) 0%,
        rgba(var(--color-primary-950), 0.35) 50%,
        rgba(var(--color-primary-900), 0.45) 100%
    );
    border-color: rgba(var(--color-primary-700), 0.4);
}

.courses-spotlight .container {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.courses-spotlight__header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
}

.courses-spotlight__label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgb(var(--color-primary-600));
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    background: rgba(var(--color-primary-100), 0.8);
    border: 1px solid rgba(var(--color-primary-300), 0.6);
}

[data-theme="dark"] .courses-spotlight__label {
    color: rgb(var(--color-primary-300));
    background: rgba(var(--color-primary-900), 0.6);
    border-color: rgba(var(--color-primary-700), 0.7);
}

.courses-spotlight__header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin: 0;
    line-height: 1.15;
    background: linear-gradient(135deg, rgb(var(--color-primary-700)), rgb(var(--color-primary-500)));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .courses-spotlight__header h2 {
    background: linear-gradient(135deg, rgb(var(--color-primary-300)), rgb(var(--color-primary-100)));
    -webkit-background-clip: text;
    background-clip: text;
}

.courses-spotlight__sub {
    margin: 0;
    font-size: 1.05rem;
    color: var(--secondary);
    max-width: 560px;
}

/* ─── Course Cards Grid ──────────────────────────────────── */
.course-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.75rem;
}

/* ─── Individual Course Card v2 ─────────────────────────── */
.course-card-v2 {
    display: flex;
    flex-direction: column;
    background: var(--card-background, #fff);
    border: 1px solid rgba(var(--color-primary-300), 0.4);
    border-radius: 20px;
    padding: 2rem;
    gap: 1.25rem;
    box-shadow:
        0 0 0 1px rgba(var(--color-primary-200), 0.2),
        0 20px 48px rgba(var(--color-primary-900), 0.1);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    position: relative;
    overflow: hidden;
}

.course-card-v2::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(var(--color-primary-400), 0.06), transparent 60%);
    pointer-events: none;
}

.course-card-v2:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--color-primary-400), 0.7);
    box-shadow:
        0 0 0 1px rgba(var(--color-primary-300), 0.5),
        0 28px 60px rgba(var(--color-primary-800), 0.18);
}

[data-theme="dark"] .course-card-v2 {
    background: rgba(var(--color-neutral-800), 0.55);
    border-color: rgba(var(--color-primary-700), 0.5);
    box-shadow:
        0 0 0 1px rgba(var(--color-primary-800), 0.4),
        0 20px 48px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .course-card-v2:hover {
    border-color: rgba(var(--color-primary-500), 0.8);
    box-shadow:
        0 0 0 1px rgba(var(--color-primary-600), 0.6),
        0 28px 60px rgba(0, 0, 0, 0.65);
}

/* icon accent */
.course-card-v2__accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(var(--color-primary-500), 0.15), rgba(var(--color-primary-300), 0.1));
    border: 1px solid rgba(var(--color-primary-300), 0.5);
    color: rgb(var(--color-primary-600));
    flex-shrink: 0;
}

[data-theme="dark"] .course-card-v2__accent {
    background: linear-gradient(135deg, rgba(var(--color-primary-800), 0.6), rgba(var(--color-primary-900), 0.4));
    border-color: rgba(var(--color-primary-700), 0.6);
    color: rgb(var(--color-primary-300));
}

/* body */
.course-card-v2__body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.course-card-v2__badge {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    background: rgba(var(--color-primary-100), 0.9);
    color: rgb(var(--color-primary-700));
    border: 1px solid rgba(var(--color-primary-200), 0.8);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}

[data-theme="dark"] .course-card-v2__badge {
    background: rgba(var(--color-primary-900), 0.55);
    color: rgb(var(--color-primary-200));
    border-color: rgba(var(--color-primary-700), 0.7);
}

.course-card-v2__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.3;
}

.course-card-v2__title a {
    color: inherit;
    text-decoration: none;
}

.course-card-v2__title a:hover {
    color: rgb(var(--color-primary-600));
}

.course-card-v2__summary {
    font-size: 0.95rem;
    color: var(--secondary);
    margin: 0;
    line-height: 1.6;
}

/* lesson preview list */
.course-card-v2__lessons {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    border-top: 1px solid rgba(var(--color-primary-200), 0.35);
    padding-top: 0.75rem;
}

[data-theme="dark"] .course-card-v2__lessons {
    border-color: rgba(var(--color-primary-700), 0.35);
}

.course-card-v2__lessons li {
    font-size: 0.85rem;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.course-card-v2__lessons li::before {
    content: "";
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(var(--color-primary-500), 0.7);
    flex-shrink: 0;
}

.course-card-v2__lessons a {
    color: inherit;
    text-decoration: none;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.course-card-v2__lessons a:hover {
    color: rgb(var(--color-primary-600));
    text-decoration: underline;
}

.course-card-v2__lessons-more {
    font-size: 0.8rem;
    color: rgb(var(--color-primary-500));
    font-style: italic;
}

/* card footer CTA */
.course-card-v2__footer {
    border-top: 1px solid rgba(var(--color-primary-200), 0.35);
    padding-top: 1rem;
}

[data-theme="dark"] .course-card-v2__footer {
    border-color: rgba(var(--color-primary-700), 0.35);
}

.course-card-v2__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: rgb(var(--color-primary-600));
    text-decoration: none;
    transition: gap 0.2s ease, color 0.2s ease;
}

.course-card-v2__cta svg {
    transition: transform 0.2s ease;
}

.course-card-v2__cta:hover {
    color: rgb(var(--color-primary-700));
    gap: 0.75rem;
}

.course-card-v2__cta:hover svg {
    transform: translateX(3px);
}

[data-theme="dark"] .course-card-v2__cta {
    color: rgb(var(--color-primary-300));
}

[data-theme="dark"] .course-card-v2__cta:hover {
    color: rgb(var(--color-primary-200));
}

/* ─── Responsive — Courses spotlight ───────────────────── */
@media (max-width: 960px) {
    .course-cards {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
    .courses-spotlight {
        padding: 3rem 0;
    }
}

@media (max-width: 640px) {
    .course-cards {
        grid-template-columns: 1fr;
    }
    .courses-spotlight {
        margin: 2rem 0 3.5rem;
    }
    .courses-spotlight__header h2 {
        font-size: 1.75rem;
    }
    .course-card-v2 {
        padding: 1.5rem;
    }
}

/* â ¬ â ¬ â ¬  Semantic Color Assignments for Course Cards â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬ â ¬  */

/* Base accent color mapping */
.course-card-v2--aws { --card-accent: var(--color-accent-rose); }
.course-card-v2--csharp { --card-accent: var(--color-accent-violet); }
.course-card-v2--spark { --card-accent: var(--color-accent-teal); }
.course-card-v2--general { --card-accent: var(--color-primary-500); }

/* Apply accents to the icon container */
.course-card-v2--aws .course-card-v2__accent,
.course-card-v2--csharp .course-card-v2__accent,
.course-card-v2--spark .course-card-v2__accent {
    background: linear-gradient(135deg, rgba(var(--card-accent), 0.15), rgba(var(--card-accent), 0.05));
    border-color: rgba(var(--card-accent), 0.4);
    color: rgb(var(--card-accent));
}

/* Apply accents to hover state (border & shadow) */
.course-card-v2--aws:hover,
.course-card-v2--csharp:hover,
.course-card-v2--spark:hover {
    border-color: rgba(var(--card-accent), 0.6);
    box-shadow: 
        0 0 0 1px rgba(var(--card-accent), 0.45),
        0 24px 54px rgba(var(--card-accent), 0.15);
}

/* Apply accents to the 'lesson count' badge */
.course-card-v2--aws .course-card-v2__badge,
.course-card-v2--csharp .course-card-v2__badge,
.course-card-v2--spark .course-card-v2__badge {
    background: rgba(var(--card-accent), 0.1);
    color: rgb(var(--card-accent));
    border-color: rgba(var(--card-accent), 0.3);
}

/* Apply accents to CTA link on hover */
.course-card-v2--aws .course-card-v2__cta:hover,
.course-card-v2--csharp .course-card-v2__cta:hover,
.course-card-v2--spark .course-card-v2__cta:hover {
    color: rgb(var(--card-accent));
}

/* Dark mode adjustments for semantic accents */
[data-theme="dark"] .course-card-v2--aws:hover,
[data-theme="dark"] .course-card-v2--csharp:hover,
[data-theme="dark"] .course-card-v2--spark:hover {
    box-shadow: 
        0 0 0 1px rgba(var(--card-accent), 0.55),
        0 24px 54px rgba(var(--card-accent), 0.25);
}

/* --- Home Refinement: subtle + classic ----------------------------- */

.home-hero {
    padding: 4.25rem 0 3.25rem;
    background: none;
}

.home-hero__badge {
    background: rgba(var(--color-primary-100), 0.6);
    border-color: rgba(var(--color-primary-300), 0.45);
    box-shadow: none;
}

.courses-spotlight {
    margin: 2.25rem 0 3rem;
    padding: 2.5rem 0;
    background: rgba(var(--color-primary-100), 0.24);
    border-top: 1px solid rgba(var(--color-primary-300), 0.3);
    border-bottom: 1px solid rgba(var(--color-primary-300), 0.3);
}

.courses-spotlight::before {
    display: none;
}

.courses-spotlight__header h2 {
    background: none;
    -webkit-text-fill-color: currentColor;
    color: var(--primary);
}

.course-card-v2,
.home-article-card,
.home-brief-card,
.home-topic-card {
    border: 1px solid rgba(var(--color-neutral-300), 0.75);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.06);
    border-radius: 14px;
}

.course-card-v2::after {
    display: none;
}

.course-card-v2:hover,
.home-article-card:hover,
.home-brief-card:hover,
.home-topic-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.09);
}

.home-article-card {
    border-left: 3px solid rgba(var(--color-primary-500), 0.45);
}

.home-brief-card {
    border-top: 3px solid rgba(var(--color-accent-teal), 0.6);
    background: var(--card-background);
}

.home-topic-card {
    border-bottom: 3px solid rgba(var(--color-accent-violet), 0.55);
}

[data-theme='dark'] .courses-spotlight {
    background: rgba(var(--color-primary-900), 0.18);
    border-color: rgba(var(--color-primary-700), 0.4);
}

[data-theme='dark'] .course-card-v2,
[data-theme='dark'] .home-article-card,
[data-theme='dark'] .home-brief-card,
[data-theme='dark'] .home-topic-card {
    border-color: rgba(var(--color-neutral-700), 0.85);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35);
}

[data-theme='dark'] .home-brief-card {
    background: rgba(var(--color-neutral-800), 0.42);
}