/* Hub pages: Learn, Interview, Projects, Blog — premium layouts */

.cm-hub-hero {
    position: relative;
    padding: 2.5rem 0 2rem;
    background:
        radial-gradient(ellipse 80% 60% at 10% 0%, rgba(59, 130, 246, 0.22), transparent 55%),
        radial-gradient(ellipse 60% 50% at 90% 20%, rgba(168, 85, 247, 0.18), transparent 50%),
        linear-gradient(180deg, #0a1020, var(--cm-bg));
    overflow: hidden;
}

.cm-hub-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2394a3b8' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.cm-hub-hero .cm-container {
    position: relative;
    z-index: 1;
}

.cm-hub-hero h1 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, #c4b5fd 40%, #60a5fa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.cm-hub-hero .cm-hub-lead {
    color: var(--cm-muted);
    font-size: 1.05rem;
    max-width: 34rem;
    line-height: 1.55;
    margin: 0;
}

.cm-hub-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.cm-hub-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--cm-border);
    background: rgba(15, 23, 42, 0.6);
    color: #e2e8f0;
    font-size: 0.78rem;
    font-weight: 600;
}

.cm-hub-badge i { color: #60a5fa; }

.cm-hub-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.cm-hub-stat {
    text-align: center;
    padding: 0.75rem 1.25rem;
    background: rgba(15, 23, 42, 0.55);
    border: 1px solid var(--cm-border);
    border-radius: 0.85rem;
    min-width: 90px;
}

.cm-hub-stat strong {
    display: block;
    font-family: "Sora", sans-serif;
    font-size: 1.35rem;
    color: #fff;
}

.cm-hub-stat span {
    color: var(--cm-muted);
    font-size: 0.72rem;
}

/* Featured spotlight card */
.cm-spotlight {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 1.25rem;
    padding: 1.35rem;
    margin-bottom: 2rem;
    background:
        linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(168, 85, 247, 0.08)),
        var(--cm-surface);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 1.1rem;
    color: inherit;
    transition: border-color 0.2s, transform 0.2s;
}

.cm-spotlight:hover {
    border-color: rgba(59, 130, 246, 0.45);
    color: inherit;
    transform: translateY(-2px);
}

.cm-spotlight-label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #fbbf24;
    margin-bottom: 0.5rem;
}

.cm-spotlight h2 {
    font-size: 1.35rem;
    color: #fff;
    margin: 0 0 0.5rem;
}

.cm-spotlight p {
    color: var(--cm-muted);
    font-size: 0.9rem;
    margin: 0 0 1rem;
    line-height: 1.5;
}

.cm-spotlight-media {
    border-radius: 0.85rem;
    min-height: 160px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #1d4ed8, #7c3aed);
}

.cm-spotlight-media i {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.9);
}

.cm-spotlight-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: #60a5fa;
    font-weight: 600;
    font-size: 0.88rem;
}

/* Hub tabs */
.cm-hub-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--cm-border);
}

.cm-hub-tab {
    padding: 0.5rem 1rem;
    border-radius: 999px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--cm-muted);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    display: inline-block;
}

.cm-hub-tab:hover,
.cm-hub-tab.is-active {
    color: #fff;
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.35);
}

.cm-hub-panel { display: none; }
.cm-hub-panel.is-active { display: block; }

/* Learning paths row */
.cm-paths-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.85rem;
    margin-bottom: 2rem;
}

.cm-path-mini {
    padding: 1rem;
    background: var(--cm-surface);
    border: 1px solid var(--cm-border);
    border-radius: 0.9rem;
    color: inherit;
    transition: transform 0.18s, border-color 0.18s;
}

.cm-path-mini:hover {
    transform: translateY(-3px);
    border-color: rgba(59, 130, 246, 0.4);
    color: inherit;
}

.cm-path-mini-head {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.5rem;
}

.cm-path-mini img {
    width: 28px;
    height: 28px;
}

.cm-path-mini h3 {
    margin: 0;
    font-size: 0.92rem;
    color: #fff;
}

.cm-path-mini p {
    margin: 0 0 0.65rem;
    font-size: 0.78rem;
    color: var(--cm-muted);
    line-height: 1.4;
}

.cm-ring {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid rgba(59, 130, 246, 0.2);
    border-top-color: #3b82f6;
    display: grid;
    place-items: center;
    font-size: 0.65rem;
    font-weight: 700;
    color: #93c5fd;
    flex-shrink: 0;
}

/* Interview readiness */
.cm-readiness {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 1.4rem;
    margin-bottom: 2rem;
    background: var(--cm-surface);
    border: 1px solid var(--cm-border);
    border-radius: 1rem;
}

.cm-readiness-meter {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: conic-gradient(#3b82f6 0% 68%, rgba(148, 163, 184, 0.2) 68% 100%);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.cm-readiness-meter span {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: var(--cm-surface);
    display: grid;
    place-items: center;
    font-family: "Sora", sans-serif;
    font-weight: 700;
    color: #fff;
    font-size: 0.95rem;
}

.cm-readiness h3 {
    margin: 0 0 0.25rem;
    font-size: 1.05rem;
    color: #fff;
}

.cm-readiness p {
    margin: 0;
    color: var(--cm-muted);
    font-size: 0.88rem;
}

.cm-mock-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, rgba(34, 197, 94, 0.12), rgba(59, 130, 246, 0.08));
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: 0.85rem;
}

.cm-mock-banner strong { color: #fff; }
.cm-mock-banner span { color: var(--cm-muted); font-size: 0.86rem; }

.cm-mode-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.85rem;
    margin-bottom: 2rem;
}

.cm-mode-card {
    padding: 1.15rem;
    background: var(--cm-surface);
    border: 1px solid var(--cm-border);
    border-radius: 0.9rem;
    text-align: center;
    color: inherit;
    transition: transform 0.18s, border-color 0.18s;
}

.cm-mode-card:hover {
    transform: translateY(-3px);
    border-color: rgba(59, 130, 246, 0.4);
    color: inherit;
}

.cm-mode-card i {
    font-size: 1.5rem;
    color: #60a5fa;
    margin-bottom: 0.5rem;
    display: block;
}

.cm-mode-card h4 {
    margin: 0 0 0.25rem;
    color: #fff;
    font-size: 0.95rem;
}

.cm-mode-card p {
    margin: 0;
    color: var(--cm-muted);
    font-size: 0.78rem;
}

.cm-qod {
    padding: 1.25rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.15), rgba(59, 130, 246, 0.1));
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 1rem;
}

.cm-qod h3 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    color: #c4b5fd;
}

.cm-qod blockquote {
    margin: 0;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.45;
}

/* Projects featured */
.cm-proj-featured {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
    padding: 1.25rem;
    background: var(--cm-surface);
    border: 1px solid var(--cm-border);
    border-radius: 1.1rem;
    color: inherit;
    transition: border-color 0.2s;
}

.cm-proj-featured:hover {
    border-color: rgba(59, 130, 246, 0.4);
    color: inherit;
}

.cm-proj-featured-media {
    border-radius: 0.85rem;
    min-height: 200px;
    background: linear-gradient(135deg, #1d4ed8, #7c3aed);
    display: grid;
    place-items: center;
}

.cm-proj-featured-body h2 {
    margin: 0.5rem 0 0.75rem;
    color: #fff;
    font-size: 1.4rem;
}

.cm-proj-featured-body p {
    color: var(--cm-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.cm-ship-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background: rgba(34, 197, 94, 0.15);
    color: #86efac;
    font-size: 0.72rem;
    font-weight: 700;
}

.cm-lane-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.cm-lane {
    padding: 1rem;
    border-radius: 0.9rem;
    border: 1px dashed var(--cm-border);
    background: rgba(2, 6, 23, 0.35);
}

.cm-lane h4 {
    margin: 0 0 0.75rem;
    font-size: 0.88rem;
    color: #fff;
}

.cm-lane a {
    display: block;
    padding: 0.45rem 0;
    color: var(--cm-muted);
    font-size: 0.84rem;
    border-bottom: 1px solid var(--cm-border);
}

.cm-lane a:last-child { border-bottom: 0; }
.cm-lane a:hover { color: #93c5fd; }

/* Blog magazine */
.cm-blog-featured {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.cm-blog-hero-card {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    min-height: 320px;
    background: linear-gradient(135deg, #1e3a8a, #7c3aed);
    color: inherit;
    display: block;
}

.cm-blog-hero-card:hover { color: inherit; }

.cm-blog-hero-card .cm-blog-hero-inner {
    position: absolute;
    inset: 0;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: linear-gradient(0deg, rgba(5, 8, 22, 0.92) 0%, transparent 55%);
}

.cm-blog-hero-card h2 {
    margin: 0.5rem 0 0.75rem;
    font-size: 1.5rem;
    color: #fff;
}

.cm-blog-hero-card p {
    margin: 0;
    color: #cbd5e1;
    font-size: 0.9rem;
    max-width: 28rem;
}

.cm-blog-side-stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.cm-blog-mini {
    display: flex;
    gap: 0.85rem;
    padding: 0.85rem;
    background: var(--cm-surface);
    border: 1px solid var(--cm-border);
    border-radius: 0.85rem;
    color: inherit;
    transition: border-color 0.15s;
}

.cm-blog-mini:hover {
    border-color: rgba(59, 130, 246, 0.4);
    color: inherit;
}

.cm-blog-mini-thumb {
    width: 72px;
    height: 72px;
    border-radius: 0.6rem;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #2563eb, #a855f7);
}

.cm-blog-mini h4 {
    margin: 0.25rem 0 0.35rem;
    font-size: 0.9rem;
    color: #fff;
}

.cm-blog-mini small {
    color: var(--cm-muted);
    font-size: 0.75rem;
}

.cm-author-card {
    padding: 1.15rem;
    background: var(--cm-surface);
    border: 1px solid var(--cm-border);
    border-radius: 0.9rem;
    margin-bottom: 1.5rem;
}

.cm-author-card .cm-folio-avatar {
    width: 56px;
    height: 56px;
    font-size: 1.2rem;
    margin-bottom: 0.65rem;
}

.cm-author-card strong {
    display: block;
    color: #fff;
    margin-bottom: 0.2rem;
}

.cm-author-card span {
    color: var(--cm-muted);
    font-size: 0.82rem;
}

.cm-blog-grid-card {
    display: block;
    background: var(--cm-surface);
    border: 1px solid var(--cm-border);
    border-radius: 0.9rem;
    overflow: hidden;
    color: inherit;
    height: 100%;
    transition: transform 0.18s, border-color 0.18s;
}

.cm-blog-grid-card:hover {
    transform: translateY(-3px);
    border-color: rgba(59, 130, 246, 0.4);
    color: inherit;
}

.cm-blog-grid-thumb {
    height: 140px;
    display: grid;
    place-items: center;
}

.cm-blog-grid-body {
    padding: 1.1rem;
}

/* Article enhancements */
.cm-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--cm-muted);
    font-size: 0.86rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--cm-border);
}

.cm-toc {
    padding: 1rem;
    margin-bottom: 1rem;
    background: rgba(2, 6, 23, 0.45);
    border-radius: 0.75rem;
    border: 1px solid var(--cm-border);
}

.cm-toc h6 {
    margin: 0 0 0.5rem;
    color: #fff;
    font-size: 0.85rem;
}

.cm-toc a {
    display: block;
    color: var(--cm-muted);
    font-size: 0.84rem;
    padding: 0.3rem 0;
}

.cm-toc a:hover { color: #93c5fd; }

.cm-learn-checklist {
    list-style: none;
    margin: 0;
    padding: 0;
}

.cm-learn-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.5rem 0;
    color: var(--cm-muted);
    font-size: 0.9rem;
}

.cm-learn-checklist i {
    color: #86efac;
    margin-top: 0.15rem;
}

.cm-continue-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 0.85rem 1.15rem;
    margin-bottom: 1.5rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 0.85rem;
}

.cm-continue-strip span { color: var(--cm-muted); font-size: 0.88rem; }
.cm-continue-strip strong { color: #fff; }

@media (max-width: 991px) {
    .cm-spotlight,
    .cm-proj-featured,
    .cm-blog-featured,
    .cm-paths-strip,
    .cm-mode-grid,
    .cm-lane-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .cm-paths-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.cm-blog-empty {
    color: var(--cm-muted);
    text-align: center;
    padding: 2.5rem 1rem;
}

.cm-article-cover {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: 0.75rem;
    margin-bottom: 1.35rem;
}

.cm-article-html {
    color: var(--cm-muted);
    line-height: 1.7;
    font-size: 1.02rem;
}

.cm-article-html h2,
.cm-article-html h3 {
    color: #fff;
    margin: 1.5rem 0 0.65rem;
    line-height: 1.3;
}

.cm-article-html h2 { font-size: 1.35rem; }
.cm-article-html h3 { font-size: 1.12rem; }

.cm-article-html p { margin-bottom: 1rem; }

.cm-article-html ul,
.cm-article-html ol {
    margin: 0 0 1rem;
    padding-left: 1.25rem;
}

.cm-article-html li { margin-bottom: 0.35rem; }

.cm-article-html a { color: #93c5fd; }

.cm-article-html img {
    max-width: 100%;
    height: auto;
    border-radius: 0.65rem;
    margin: 0.75rem 0;
}

.cm-article-html code {
    background: rgba(2, 6, 23, 0.7);
    padding: 0.12rem 0.4rem;
    border-radius: 0.35rem;
    font-size: 0.9em;
}

.cm-article-html pre {
    background: #020617;
    color: #e2e8f0;
    border-radius: 0.75rem;
    padding: 1rem;
    overflow-x: auto;
    margin-bottom: 1.1rem;
}

.cm-article-html pre code {
    background: none;
    padding: 0;
}

.cm-article-html blockquote {
    border-left: 3px solid #3b82f6;
    margin: 0 0 1rem;
    padding: 0.15rem 0 0.15rem 1rem;
    color: #cbd5e1;
}

.cm-comments {
    margin-top: 2rem;
    padding-top: 1.5rem;
}

.cm-comments h2 {
    color: #fff;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.cm-comment {
    padding: 1rem 0;
    border-bottom: 1px solid var(--cm-border);
}

.cm-comment strong {
    color: #fff;
    display: block;
}

.cm-comment time {
    color: var(--cm-muted);
    font-size: 0.78rem;
}

.cm-comment p {
    margin: 0.45rem 0 0;
    color: #cbd5e1;
    white-space: pre-wrap;
}

.cm-comments-empty,
.cm-comment-thanks {
    color: var(--cm-muted);
    margin-bottom: 1rem;
}

.cm-comment-thanks { color: #86efac; }

.cm-comment-errors {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    border-radius: 0.7rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    color: #fecaca;
}

.cm-comment-errors ul {
    margin: 0;
    padding-left: 1.1rem;
}

.cm-comment-form label {
    display: block;
    font-weight: 600;
    margin: 0.85rem 0 0.4rem;
    color: #e2e8f0;
}

.cm-comment-form label span {
    font-weight: 400;
    color: var(--cm-muted);
}

.cm-comment-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
}

.cm-hp {
    position: absolute;
    left: -9999px;
    height: 0;
    overflow: hidden;
}

.cm-comment-form { position: relative; }

@media (max-width: 640px) {
    .cm-comment-row { grid-template-columns: 1fr; }
}

.cm-tut-head .cm-tut-more {
    margin-left: auto;
    color: #60a5fa;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
}

.cm-tut-head .cm-tut-more:hover {
    color: #93c5fd;
}