.insights-hero {
    padding-top: 140px;
    padding-bottom: 40px;
}

.insights-hero h1 {
    font-size: clamp(2.16rem, 5.4vw, 4.32rem);
    text-transform: uppercase;
    margin-top: 14px;
    max-width: 18ch;
}

.insights-subtitle {
    margin-top: 20px;
    max-width: 56ch;
    color: var(--text-warm);
    line-height: 1.75;
    font-size: clamp(0.95rem, 1.4vw, 1.1rem);
}

/* Filters */
.insights-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--text-dim);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* Grid */
.insights-grid-section {
    padding-bottom: 80px;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
    gap: 28px;
}

/* Cards */
.insight-card {
    border: 1px solid var(--line);
    border-radius: 20px;
    overflow: hidden;
    background: rgba(8, 11, 16, 0.6);
    backdrop-filter: blur(8px);
    transition: opacity 0.22s ease, transform 0.22s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    opacity: 1;
}

.insight-card:hover {
    border-color: rgba(0, 128, 217, 0.4);
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 128, 217, 0.1);
}

.insight-card.card-hidden {
    opacity: 0;
    transform: scale(0.97);
    pointer-events: none;
}

.card-image {
    height: 200px;
    display: flex;
    align-items: flex-end;
    padding: 16px;
    position: relative;
    overflow: hidden;
}

.card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(8, 11, 16, 0.6), transparent);
}

.card-tag {
    position: relative;
    z-index: 2;
    padding: 4px 12px;
    border-radius: 999px;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.6rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: rgba(0, 128, 217, 0.2);
    border: 1px solid rgba(0, 128, 217, 0.3);
    color: var(--accent);
}

.card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-meta {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.6rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 14px;
}

.card-body h3 {
    font-size: 1.2rem;
    line-height: 1.4;
    margin-bottom: 12px;
}

.card-body p {
    color: var(--text-card);
    font-size: 0.88rem;
    line-height: 1.65;
    margin: 0;
    flex: 1;
}

/* Article page */
.article-content {
    padding-top: 120px;
    padding-bottom: 80px;
    max-width: 780px;
    margin: 0 auto;
}

.article-content .eyebrow {
    margin-bottom: 8px;
}

.article-content h1 {
    font-size: clamp(1.8rem, 4vw, 2.88rem);
    text-transform: uppercase;
    margin-bottom: 20px;
    max-width: 20ch;
}

.article-date {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.65rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 40px;
    display: block;
}

.article-body h2 {
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--accent);
    font-size: 1.4rem;
}

.article-body p {
    color: var(--text-article);
    line-height: 1.85;
    margin-bottom: 18px;
    font-size: 1.02rem;
}

.article-body ul,
.article-body ol {
    color: var(--text-article);
    line-height: 1.85;
    margin-bottom: 18px;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 8px;
}

.article-body blockquote {
    border-left: 3px solid var(--accent);
    margin: 28px 0;
    padding: 16px 24px;
    background: rgba(0, 128, 217, 0.06);
    border-radius: 0 12px 12px 0;
    color: var(--text-quote);
    font-size: 1.05rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 40px;
    color: var(--text-dim);
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--accent);
}

.site-nav a.active {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 720px) {
    .insights-grid {
        grid-template-columns: 1fr;
    }

    .article-content {
        padding-left: 5%;
        padding-right: 5%;
        padding-top: 100px;
    }

    .article-body blockquote {
        padding: 14px 16px;
    }

    .insights-hero {
        padding-top: 110px;
    }
}