/*
 * =========================================================
 * OLYTIC SOLUTIONS - Insights Listing Page
 * insights.css
 *
 * Covers:
 *   - Insights hero (dark, minimal)
 *   - Featured post cards (3-up grid)
 *   - Full catalog toggle + list view
 *   - Post card hover states and metadata
 *
 * Requires: tokens.css, typography.css, layout.css
 * =========================================================
 */

/* ─── Insights Hero ─────────────────────────────────────── */

.insights-hero {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
  background-color: var(--color-navy);
  position: relative;
}

/* Two-column split layout: icon left (1/3), copy right (2/3) */
.insights-hero__layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  align-items: center;
}

/* Left column: icon */
.insights-hero__icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.insights-hero__icon-svg {
  width: 200px;
  height: 200px;
  flex-shrink: 0;
}

/* Right column: copy */
.insights-hero__right {
  max-width: 560px;
}

.insights-hero__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-gold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--space-5);
}

.insights-hero__headline {
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: #FFFFFF;
  margin-bottom: var(--space-6);
}

.insights-hero__sub {
  font-size: var(--text-md);
  color: rgba(255, 255, 255, 0.65);
  line-height: var(--leading-body);
  max-width: 48ch;
  margin-bottom: 0;
}

/* Gold accent rule at bottom of hero */
.insights-hero__rule {
  width: 100%;
  height: 1px;
  background-color: rgba(200, 169, 110, 0.20);
  position: absolute;
  bottom: 0;
  left: 0;
}

@media (max-width: 900px) {
  .insights-hero__layout {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .insights-hero__icon {
    display: none;
  }
}

@media (max-width: 768px) {
  .insights-hero {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }

  .insights-hero__headline {
    font-size: var(--text-4xl);
  }

  .insights-hero__proof-stat {
    font-size: var(--text-4xl);
  }
}

@media (max-width: 480px) {
  .insights-hero__right {
    flex-direction: column;
    gap: var(--space-6);
  }
}

/* ─── Featured Posts Section ─────────────────────────────── */

.insights-featured {
  padding-top: var(--space-20);
  padding-bottom: var(--space-16);
}

.insights-featured__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.insights-featured__heading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-muted);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

/* ─── Post Card Grid ─────────────────────────────────────── */

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (max-width: 900px) {
  .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .insights-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Post Card ──────────────────────────────────────────── */

.insight-card {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-white);
  border: var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition-fast),
              border-color var(--transition-fast),
              transform var(--transition-fast);
  cursor: pointer;
}

.insight-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(200, 169, 110, 0.40);
  transform: translateY(-2px);
}

/* Gold top accent bar on featured cards */
.insight-card--featured::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-gold);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* Category tag */
.insight-card__category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-teal);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

/* Post title */
.insight-card__title {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-obsidian);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
  flex-grow: 0;
}

/* Excerpt */
.insight-card__excerpt {
  font-size: var(--text-base);
  color: var(--color-muted);
  line-height: var(--leading-body);
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

/* Meta row: date + read time */
.insight-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-5);
  margin-top: auto;
}

.insight-card__meta-sep {
  color: var(--color-gold);
  opacity: 0.6;
}

/* Read link */
.insight-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-obsidian);
  text-decoration: none;
  letter-spacing: var(--tracking-wide);
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.insight-card__link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.insight-card:hover .insight-card__link {
  color: var(--color-teal);
}

.insight-card:hover .insight-card__link::after {
  transform: translateX(3px);
}

/* ─── Catalog Divider ────────────────────────────────────── */

.insights-catalog-divider {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.insights-catalog-divider__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-muted);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  white-space: nowrap;
}

.insights-catalog-divider__line {
  flex: 1;
  height: 1px;
  background-color: #E4E4E2;
}

/* ─── Full Catalog Section ───────────────────────────────── */

.insights-catalog {
  padding-top: var(--space-4);
  padding-bottom: var(--space-24);
}

/* Toggle button */
.insights-catalog__toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-body-steel);
  background: none;
  border: var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
  cursor: pointer;
  transition: border-color var(--transition-fast),
              color var(--transition-fast),
              background-color var(--transition-fast);
  margin-bottom: var(--space-8);
}

.insights-catalog__toggle:hover {
  border-color: var(--color-gold);
  color: var(--color-obsidian);
  background-color: var(--color-surface);
}

.insights-catalog__toggle-icon {
  display: inline-block;
  transition: transform var(--transition-base);
}

.insights-catalog__toggle[aria-expanded="true"] .insights-catalog__toggle-icon {
  transform: rotate(180deg);
}

/* Catalog list - hidden by default, revealed on toggle */
.insights-catalog__list {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
}

.insights-catalog__list.is-open {
  display: flex;
}

/* Catalog row - compact list item */
.insights-catalog__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: background-color var(--transition-fast);
  flex-wrap: wrap;
}

.insights-catalog__row:hover {
  background-color: var(--color-surface);
}

.insights-catalog__row + .insights-catalog__row {
  border-top: var(--border-default);
}

.insights-catalog__row-title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-obsidian);
  flex: 1;
  min-width: 200px;
}

.insights-catalog__row-meta {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: var(--tracking-wide);
  flex-shrink: 0;
}

.insights-catalog__row-category {
  color: var(--color-teal);
}

.insights-catalog__row-arrow {
  color: var(--color-muted);
  font-size: var(--text-sm);
  flex-shrink: 0;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.insights-catalog__row:hover .insights-catalog__row-arrow {
  transform: translateX(3px);
  color: var(--color-obsidian);
}

/* ─── Disabled / Coming-soon states ──────────────────── */

.insight-card__link--disabled {
  color: var(--color-muted);
  pointer-events: none;
  font-style: italic;
}

.insights-catalog__row--disabled {
  opacity: 0.50;
  pointer-events: none;
  cursor: default;
}

.insights-catalog__row--disabled:hover {
  background: transparent;
}


@media (max-width: 640px) {
  .insights-catalog__row-meta {
    flex-wrap: wrap;
    gap: var(--space-3);
  }
}