/* ============================================
   Insights — listing (featured + grid) and article reading view
   Card base styles (.insight-card*) live in style.css
   ============================================ */

/* ---------- Listing ---------- */
.insights-list {
    padding: 7rem 0;
    background: var(--c-bg);
}
.insights-list__intro {
    max-width: 640px;
    margin-bottom: 4rem;
}
.insights-list__intro .section-heading {
    font-size: clamp(1.5rem, 2.4vw, 2.1rem);
    margin-bottom: 1.25rem;
}
.insights-list__intro p {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--c-mute);
    max-width: 54ch;
}

/* ---------- Featured article ---------- */
.insight-feature { margin-bottom: 2px; }
.insight-feature__link {
    display: grid;
    grid-template-columns: 5fr 7fr;
    min-height: 420px;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-line);
    overflow: hidden;
    transition: box-shadow 0.6s var(--ease-out), border-color 0.6s var(--ease-out);
}
.insight-feature__link:hover {
    border-color: rgba(201, 169, 97, 0.35);
    box-shadow: 0 24px 60px rgba(1, 38, 71, 0.1);
}
.insight-feature__panel {
    position: relative;
    background: #012647;
    overflow: hidden;
    isolation: isolate;
}
.insight-feature__panel::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse at 30% 30%, rgba(201, 169, 97, 0.28) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 85%, rgba(201, 169, 97, 0.14) 0%, transparent 50%);
    transition: transform 1.6s var(--ease-out);
}
.insight-feature__link:hover .insight-feature__panel::before { transform: scale(1.15) translate(4%, 3%); }
/* Fine tailor's grid over the navy panel */
.insight-feature__panel::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(201, 169, 97, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 169, 97, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
.insight-feature__badge {
    position: absolute;
    top: 2rem;
    left: 2rem;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--c-brass);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}
.insight-feature__badge::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--c-brass);
}
.insight-feature__mark {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -38%);
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 16rem;
    line-height: 1;
    color: var(--c-brass);
    opacity: 0.75;
    text-shadow: 0 4px 40px rgba(201, 169, 97, 0.35);
    transition: transform 1s var(--ease-out), opacity 0.6s var(--ease-out);
}
.insight-feature__link:hover .insight-feature__mark {
    transform: translate(-50%, -42%) scale(1.05);
    opacity: 1;
}
.insight-feature__corner {
    position: absolute;
    right: 1.5rem;
    bottom: 1.5rem;
    width: 48px;
    height: 48px;
    border-right: 1px solid var(--c-brass);
    border-bottom: 1px solid var(--c-brass);
    opacity: 0.6;
}
.insight-feature__body {
    padding: 3.5rem 3.5rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.125rem;
    justify-content: center;
}
.insight-feature__title {
    font-family: var(--f-serif);
    font-weight: 300;
    font-size: clamp(1.625rem, 2.6vw, 2.25rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--c-bone);
    transition: color 0.3s var(--ease-out);
}
.insight-feature__link:hover .insight-feature__title { color: var(--c-brass); }
.insight-feature__excerpt {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--c-mute);
    max-width: 56ch;
}
.insight-feature__read {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    font-size: 0.9375rem;
    color: var(--c-bone);
    border-bottom: 1px solid var(--c-line-strong);
    padding-bottom: 0.25rem;
    align-self: flex-start;
    transition: gap 0.3s var(--ease-out), color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}
.insight-feature__link:hover .insight-feature__read { gap: 0.75rem; color: var(--c-brass); border-color: var(--c-brass); }

/* ---------- Archive grid ---------- */
.insights-list__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
    background: var(--c-line);
    border: 1px solid var(--c-line);
    border-top: none;
}
.insight-card--list { padding: 3rem; }
.insight-card--list .insight-card__title { flex: 0; font-size: 1.375rem; }
.insight-card__excerpt {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--c-mute);
    flex: 1;
}
/* Whole card is clickable via the title link */
.insight-card__stretch::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
}
.insight-card__stretch:focus-visible { outline: none; }
.insight-card:has(.insight-card__stretch:focus-visible) { outline: 1px solid var(--c-brass); outline-offset: -1px; }
.insight-card--list:hover { background: var(--c-bg-soft); }

/* ---------- Article reading view ---------- */
.article {
    padding: 6rem 0 7rem;
    background: var(--c-bg);
}
.article__layout {
    display: grid;
    grid-template-columns: 1fr minmax(0, 700px) 1fr;
    gap: 3rem;
}
.article__rail {
    grid-column: 1;
    justify-self: end;
    position: sticky;
    top: 9rem;
    align-self: start;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}
.article__rail-label {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 0.625rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--c-mute-soft);
    margin-bottom: 0.5rem;
}
.article__share {
    position: relative;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border: 1px solid var(--c-line-strong);
    border-radius: 50%;
    color: var(--c-mute);
    transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out), background 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.article__share svg { width: 16px; height: 16px; }
.article__share:hover,
.article__share.is-copied {
    color: var(--c-ink);
    border-color: var(--c-brass);
    background: var(--c-brass-faint);
    transform: translateY(-2px);
}
.article__copied {
    position: absolute;
    left: calc(100% + 0.75rem);
    white-space: nowrap;
    font-size: 0.75rem;
    color: var(--c-brass);
    pointer-events: none;
}

.article__prose {
    grid-column: 2;
    font-size: 1.125rem;
    line-height: 1.85;
    color: var(--c-bone-soft);
}
.article__prose > p:first-child {
    font-family: var(--f-serif);
    font-weight: 400;
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    line-height: 1.6;
    color: var(--c-bone);
}
.article__prose > p:first-child::first-letter {
    float: left;
    font-size: 4.25em;
    line-height: 0.85;
    padding: 0.06em 0.12em 0 0;
    color: var(--c-brass);
    font-weight: 300;
}
.article__prose p + p { margin-top: 1.5rem; }
.article__prose h2 {
    font-family: var(--f-serif);
    font-weight: 400;
    font-size: clamp(1.375rem, 2.2vw, 1.75rem);
    line-height: 1.3;
    letter-spacing: -0.015em;
    color: var(--c-bone);
    margin: 3.5rem 0 1.25rem;
    padding-top: 2rem;
    border-top: 1px solid var(--c-line);
    position: relative;
}
.article__prose h2::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 48px;
    height: 1px;
    background: var(--c-brass);
}
.article__prose blockquote {
    margin: 2.75rem 0;
    padding: 0.25rem 0 0.25rem 2rem;
    border-left: 1px solid var(--c-brass);
    font-family: var(--f-serif);
    font-style: italic;
    font-weight: 300;
    font-size: clamp(1.375rem, 2.4vw, 1.75rem);
    line-height: 1.45;
    color: var(--c-bone);
}
.article__prose ul {
    margin: 1.75rem 0;
    border-top: 1px solid var(--c-line);
}
.article__prose li {
    position: relative;
    padding: 1rem 0 1rem 2rem;
    border-bottom: 1px solid var(--c-line);
}
.article__prose li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.95rem;
    width: 14px;
    height: 1px;
    background: var(--c-brass);
}
.article__footer {
    margin-top: 4rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--c-line);
}
.article__signature {
    display: block;
    font-family: var(--f-serif);
    font-style: italic;
    font-size: 1.25rem;
    color: var(--c-bone);
    margin-bottom: 1rem;
}
.article__disclaimer {
    font-size: 0.8125rem !important;
    line-height: 1.7 !important;
    color: var(--c-mute-soft);
    margin-bottom: 2rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1023px) {
    .insights-list { padding: 5.5rem 0; }
    .insight-feature__link { grid-template-columns: 1fr; }
    .insight-feature__panel { min-height: 220px; }
    .insight-feature__mark { font-size: 11rem; }
    .insight-feature__body { padding: 2.5rem; }

    .article { padding: 4rem 0 5.5rem; }
    .article__layout { grid-template-columns: 1fr; gap: 2.5rem; }
    .article__prose { grid-column: 1; }
    .article__rail {
        grid-column: 1;
        grid-row: 2;
        position: static;
        flex-direction: row;
        justify-self: start;
    }
    .article__rail-label { writing-mode: horizontal-tb; transform: none; margin: 0 0.5rem 0 0; }
    .article__copied { left: auto; top: calc(100% + 0.5rem); }
}
@media (max-width: 540px) {
    .insights-list { padding: 4.5rem 0; }
    .insights-list__grid { grid-template-columns: 1fr; }
    .insight-card--list { padding: 2rem 1.5rem; }
    .insight-feature__body { padding: 2rem 1.5rem; }
    .article__prose { font-size: 1.0625rem; }
    .article__prose blockquote { padding-left: 1.25rem; }
}