/* ==========================================================================
   AGP — Insights index
   ========================================================================== */

/* --------------------------------------------------------------------------
   Shared bits used by insight listings
   -------------------------------------------------------------------------- */
.post-pillar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink-soft);
}

.post-pillar__letter {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 9px 3px 9px 3px;
  background: var(--gold-gradient);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: #15120e;
}

.post-byline {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.post-byline__avatar {
  width: 42px;
  height: 42px;
  font-size: 1rem;
  border-radius: 58% 42% 52% 48% / 48% 56% 44% 52%;
}

.post-byline__text {
  display: grid;
  min-width: 0;
  line-height: 1.35;
}

.post-byline__text strong {
  font-size: 0.88rem;
  color: var(--ink);
}

.post-byline__text small {
  font-size: 0.78rem;
  color: var(--muted);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.insights-hero {
  padding-bottom: clamp(56px, 7vw, 96px);
}

.insights-hero__blob {
  top: -220px;
  right: -180px;
  width: 560px;
  height: 560px;
}

.insights-hero__ring {
  bottom: -160px;
  left: -140px;
  width: 320px;
  height: 320px;
}

.insights-hero__glyph {
  position: absolute;
  z-index: 1;
  top: -0.12em;
  right: 2vw;
  font-family: var(--font-display);
  font-size: clamp(16rem, 34vw, 30rem);
  font-weight: 500;
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px rgba(169, 122, 60, 0.26);
  transform: rotate(-9deg);
  pointer-events: none;
  user-select: none;
}

.insights-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: end;
  gap: 48px;
}

.insights-hero__stack {
  position: relative;
  height: 320px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.type-sheet {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 220px;
  padding: 22px 24px;
  border-radius: var(--r-asym);
  box-shadow: var(--shadow-soft);
  color: var(--ink);
}

.type-sheet--update {
  top: 0;
  right: 40px;
  background: var(--surface-gold);
  transform: rotate(4deg);
}

.type-sheet--guide {
  top: 96px;
  right: 170px;
  border: 1px solid var(--line);
  border-radius: var(--r-asym-2);
  background: var(--card);
  transform: rotate(-6deg);
}

.type-sheet--event {
  top: 178px;
  right: 0;
  background: var(--night-gold-glow), var(--night);
  color: var(--gold-200);
  transform: rotate(2.5deg);
}

[data-theme="dark"] .type-sheet--event {
  box-shadow: inset 0 0 0 1px rgba(207, 165, 101, 0.3), var(--shadow-soft);
}

.type-sheet__num,
.feature-post__num,
.post-card__num,
.post-card__date strong,
.insights-ai__num {
  font-variant-numeric: lining-nums;
}

.type-sheet__num {
  font-family: var(--font-display);
  font-size: 3.4rem;
  font-weight: 600;
  line-height: 0.85;
}

.type-sheet__name {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Filters
   -------------------------------------------------------------------------- */
.insights-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-bottom: clamp(28px, 4vw, 48px);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.insights-filter__types {
  grid-auto-columns: auto;
}

.insights-filter__types button {
  min-height: 42px;
  padding: 0 18px;
  white-space: nowrap;
}

.insights-filter__count {
  margin: 0 0 0 auto;
  font-size: 0.82rem;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   Featured article
   -------------------------------------------------------------------------- */
.feature-post {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  margin-bottom: clamp(28px, 4vw, 48px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 52px 14px 52px 14px;
  background: var(--card);
  box-shadow: var(--shadow-soft);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) ease, border-color var(--dur-base) ease;
}

.feature-post:hover {
  transform: translateY(-4px);
  border-color: rgba(169, 122, 60, 0.4);
  box-shadow: var(--shadow-float);
}

.feature-post__art {
  position: relative;
  min-height: 400px;
  overflow: hidden;
  border-radius: 0 180px 0 0;
  background: var(--surface-gold);
  color: var(--ink);
}

.feature-post__ring {
  position: absolute;
  top: -90px;
  right: -60px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
}

.feature-post__ring::after {
  content: "";
  position: absolute;
  inset: 36px;
  border: 1px dashed rgba(94, 63, 29, 0.3);
  border-radius: 50%;
}

.feature-post__num {
  position: absolute;
  left: 22px;
  bottom: -0.16em;
  font-family: var(--font-display);
  font-size: clamp(9rem, 17vw, 15rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
}

.feature-post__word {
  position: absolute;
  right: 30px;
  bottom: 40px;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-style: italic;
  font-weight: 500;
  line-height: 1;
  writing-mode: vertical-rl;
  color: transparent;
  -webkit-text-stroke: 1px rgba(28, 25, 21, 0.45);
}

[data-theme="dark"] .feature-post__word {
  -webkit-text-stroke-color: rgba(233, 210, 168, 0.5);
}

.feature-post__seal {
  position: absolute;
  top: 30px;
  left: 30px;
  display: grid;
  place-items: center;
  width: 78px;
  height: 78px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
}

.feature-post__seal::before {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(28, 25, 21, 0.18);
  border-radius: 46% 54% 50% 50%;
}

.feature-post__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: clamp(28px, 4.2vw, 60px);
}

.feature-post__title {
  margin: 0;
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
}

.feature-post__excerpt {
  font-size: 1.05rem;
  color: var(--muted);
}

.feature-post__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  width: 100%;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

/* --------------------------------------------------------------------------
   Card grid (zig-zag on desktop)
   -------------------------------------------------------------------------- */
.post-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: clamp(16px, 2.2vw, 28px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  height: 100%;
  padding: clamp(24px, 2.6vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r-asym);
  background: var(--card);
  box-shadow: var(--shadow-soft);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) ease, border-color var(--dur-base) ease;
}

.post-list__item:nth-child(even) .post-card {
  border-radius: var(--r-asym-2);
}

.post-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 32px;
  width: 44px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--gold-gradient);
  transition: width var(--dur-base) var(--ease-out);
}

.post-card:hover {
  transform: translateY(-4px);
  border-color: rgba(169, 122, 60, 0.4);
  box-shadow: var(--shadow-float);
}

.post-card:hover::before {
  width: 96px;
}

.post-card__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-strong);
}

.post-card__num {
  font-family: var(--font-display);
  font-size: 3.6rem;
  font-weight: 500;
  line-height: 0.8;
  color: var(--accent-soft);
}

.post-card__date {
  display: grid;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-300);
}

.post-card__date strong {
  font-family: var(--font-display);
  font-size: 3.6rem;
  font-weight: 600;
  line-height: 0.85;
  letter-spacing: 0;
  color: var(--gold-200);
}

.post-card__title {
  margin: 0;
  font-size: clamp(1.35rem, 1.9vw, 1.6rem);
}

.post-card__excerpt {
  font-size: 0.95rem;
  color: var(--muted);
}

.post-card .post-byline {
  margin-top: auto;
  padding-top: 8px;
}

.post-card--event {
  border-color: rgba(207, 165, 101, 0.24);
  background: var(--night-gold-glow), var(--night);
}

.post-card--event .post-card__head {
  border-bottom-color: rgba(207, 165, 101, 0.3);
}

.post-card--event .tag {
  color: var(--gold-300);
}

.post-card--event .post-card__title,
.post-card--event .post-byline__text strong {
  color: #fff;
}

.post-card--event .post-card__excerpt,
.post-card--event .post-pillar,
.post-card--event .post-byline__text small {
  color: var(--on-night-muted);
}

/* --------------------------------------------------------------------------
   Filter transition + empty state
   -------------------------------------------------------------------------- */
@keyframes insights-in {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.insights-results.is-refreshing .feature-post,
.insights-results.is-refreshing .post-list__item,
.insights-results.is-refreshing .insights-empty {
  animation: insights-in 0.6s var(--ease-out) both;
}

.insights-results.is-refreshing .post-list__item:nth-child(1) {
  animation-delay: 80ms;
}

.insights-results.is-refreshing .post-list__item:nth-child(2) {
  animation-delay: 140ms;
}

.insights-results.is-refreshing .post-list__item:nth-child(3) {
  animation-delay: 200ms;
}

.insights-results.is-refreshing .post-list__item:nth-child(n + 4) {
  animation-delay: 260ms;
}

.insights-empty {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 6vw, 72px) clamp(24px, 5vw, 64px);
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-asym);
  text-align: center;
}

.insights-empty__glyph {
  display: block;
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--accent-soft);
}

.insights-empty p {
  color: var(--muted);
}

.insights-empty__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* --------------------------------------------------------------------------
   Ask AI strip
   -------------------------------------------------------------------------- */
.insights-ai {
  overflow: hidden;
}

.insights-ai__ring {
  top: -140px;
  left: -120px;
  width: 360px;
  height: 360px;
  border-color: rgba(207, 165, 101, 0.22);
}

.insights-ai__blob {
  right: -160px;
  bottom: -220px;
  width: 480px;
  height: 480px;
  opacity: 0.35;
}

.insights-ai__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(36px, 6vw, 88px);
}

.insights-ai__grid .lead {
  margin-bottom: 28px;
}

.insights-ai__prompts {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.insights-ai__prompts li:nth-child(2) {
  margin-left: clamp(0px, 4vw, 52px);
}

.insights-ai__prompt {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  width: 100%;
  min-height: 72px;
  padding: 16px 22px;
  border: 1px solid rgba(207, 165, 101, 0.26);
  border-radius: 24px 8px 24px 8px;
  background: rgba(255, 255, 255, 0.04);
  font-weight: 600;
  line-height: 1.45;
  color: #fff;
  text-align: left;
  transition: transform var(--dur-base) var(--ease-spring), border-color var(--dur-base) ease, background-color var(--dur-base) ease;
}

.insights-ai__prompts li:nth-child(even) .insights-ai__prompt {
  border-radius: 8px 24px 8px 24px;
}

.insights-ai__prompt:hover {
  transform: translateX(4px);
  border-color: var(--gold-400);
  background: rgba(207, 165, 101, 0.1);
}

.insights-ai__prompt:active {
  transform: scale(0.98);
}

.insights-ai__num {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 500;
  line-height: 1;
  color: var(--gold-300);
}

.insights-ai__prompt svg {
  width: 20px;
  height: 20px;
  color: var(--gold-300);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (min-width: 1025px) {
  .post-list__item:nth-child(3n + 2) {
    margin-top: 48px;
  }
}

@media (max-width: 1024px) {
  .post-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .insights-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }

  .type-sheet {
    width: 190px;
  }

  .type-sheet--guide {
    right: 120px;
  }
}

@media (max-width: 860px) {
  .insights-hero__grid,
  .insights-ai__grid {
    grid-template-columns: 1fr;
  }

  .insights-hero__glyph {
    top: auto;
    right: -4vw;
    bottom: -0.1em;
    font-size: 16rem;
  }

  .insights-hero__stack {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    height: auto;
  }

  .type-sheet {
    position: static;
    width: auto;
    padding: 16px 14px;
  }

  .type-sheet--update {
    transform: rotate(-2deg);
  }

  .type-sheet--guide {
    transform: translateY(10px) rotate(2deg);
  }

  .type-sheet--event {
    transform: rotate(-1.5deg);
  }

  .type-sheet__num {
    font-size: 2.4rem;
  }

  .type-sheet__name {
    font-size: 0.6rem;
    letter-spacing: 0.14em;
  }

  .feature-post {
    grid-template-columns: 1fr;
    border-radius: 40px 12px 40px 12px;
  }

  .feature-post__art {
    min-height: 230px;
    border-radius: 0 0 120px 0;
  }

  .feature-post__num {
    font-size: 10rem;
  }

  .feature-post__word {
    top: 34px;
    right: 26px;
    bottom: auto;
    writing-mode: horizontal-tb;
  }

  .insights-ai__prompts li:nth-child(2) {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  .post-list {
    grid-template-columns: 1fr;
  }

  .insights-filter__types {
    display: grid;
    width: 100%;
  }

  .insights-filter__types button {
    padding: 0 8px;
  }

  .insights-filter__count {
    width: 100%;
    margin-left: 0;
  }

  .insights-ai__prompt {
    gap: 12px;
    padding: 14px 16px;
  }
}