/* =====================================================
   BLOG — index page, post header, prose, carousel
   Reuses case-study.css for section blocks
   ===================================================== */

/* ---------- Blog index: list of posts ---------- */
.post-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.post-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--bg-light-alt);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 0.6s var(--ease-out-expo), box-shadow 0.6s ease;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.post-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #E8E4DD 0%, #F5F0E8 100%);
}

.post-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out-expo);
}

.post-card:hover .post-card__media img {
  transform: scale(1.05);
}

.post-card__media--empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-card__info {
  padding: var(--space-xl) var(--space-xl) var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.post-card__tags {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}

.post-card__tags em {
  font-style: normal;
  color: var(--text-muted);
}

.post-card__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.15;
}

.post-card__subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.post-card__meta {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: auto;
  padding-top: var(--space-md);
}

.post-card__dot {
  opacity: 0.5;
}

.post-empty {
  padding: var(--space-3xl) 0;
  text-align: center;
}

.blog-flash {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  padding: var(--space-md) var(--space-lg);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: var(--radius-md);
  color: var(--accent);
  font-weight: 500;
}

.blog-flash i { font-size: 20px; }

@media (max-width: 768px) {
  .post-list {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .post-card__info {
    padding: var(--space-lg);
  }
}

/* ---------- Single post: header ---------- */
.post {
  padding-bottom: 0;
}

.post-header {
  padding: 160px 0 var(--space-2xl);
}

.post-header__inner {
  max-width: 820px;
}

.post-header__crumb {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.post-header__crumb:hover {
  color: var(--accent);
}

.post-header__dot {
  margin: 0 var(--space-sm);
  opacity: 0.4;
}

.post-header__title {
  margin: var(--space-md) 0 var(--space-lg);
  line-height: 1.05;
}

.post-header__subtitle {
  max-width: 640px;
  margin-bottom: var(--space-xl);
}

.post-header__meta {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  font-size: var(--text-sm);
  color: var(--text-muted);
  flex-wrap: wrap;
}

.post-meta__dot {
  opacity: 0.5;
}

.post-hero-media {
  margin-bottom: var(--space-3xl);
}

.post-hero-media img {
  width: 100%;
  border-radius: var(--radius-xl);
  display: block;
}

/* ---------- Single post: body ---------- */
.post-body {
  padding-bottom: var(--space-3xl);
}

.post-body__main {
  max-width: 720px;
  margin: 0 auto;
}

/* Prose tweaks — readable long-form */
.post-prose {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--text-primary);
}

.post-prose p {
  margin: 0 0 var(--space-lg);
}

.post-prose h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: var(--space-2xl) 0 var(--space-md);
}

.post-prose h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-lg);
  font-weight: 600;
  margin: var(--space-xl) 0 var(--space-sm);
}

.post-prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.post-prose a:hover {
  text-decoration-thickness: 2px;
}

.post-prose ul,
.post-prose ol {
  margin: 0 0 var(--space-lg);
  padding-left: var(--space-xl);
}

.post-prose li {
  margin-bottom: var(--space-sm);
}

.post-prose blockquote {
  border-left: 3px solid var(--accent);
  padding: var(--space-sm) var(--space-lg);
  margin: var(--space-xl) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.post-prose code {
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 0.9em;
  background: var(--bg-light-alt);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.post-prose pre {
  background: #0A0F1C;
  color: #E8E8E0;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: var(--space-xl) 0;
}

.post-prose pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.post-prose img {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
}

.post-embed {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.post-embed iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  display: block;
}

/* ---------- Definition list (settings, term-def content) ---------- */
.def-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-md);
}

.def-list__item {
  padding: var(--space-sm) 0 var(--space-sm) var(--space-lg);
  border-left: 3px solid var(--accent);
  display: grid;
  gap: 2px;
}

.def-list__term {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
}

.def-list__tag {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
}

.def-list__tag--neutral { background: rgba(37, 99, 235, 0.12); color: var(--accent); }
.def-list__tag--good    { background: rgba(16, 185, 129, 0.15); color: #059669; }
.def-list__tag--warn    { background: rgba(245, 158, 11, 0.18); color: #B45309; }
.def-list__tag--bad     { background: rgba(220, 38, 38, 0.15); color: #B91C1C; }

.def-list__body {
  font-size: 15.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.def-list__body code {
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 0.88em;
  background: var(--bg-light-alt);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

@media (max-width: 640px) {
  .def-list__item { padding-left: var(--space-md); }
  .def-list__term { font-size: 16px; }
}

/* ---------- Tool call sequence ---------- */
.tool-sequence {
  background: #0A0F1C;
  color: #E8E8E0;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-xl) 0;
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
  font-size: 13.5px;
  line-height: 1.6;
}

.tool-sequence__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: 12px var(--space-lg);
  background: rgba(96, 165, 250, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-wrap: wrap;
}

.tool-sequence__kicker {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #60A5FA;
}

.tool-sequence__target {
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 13px;
  color: #9CA3AF;
}

.tool-sequence__context {
  margin: 0;
  padding: 10px var(--space-lg);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  color: #9CA3AF;
  font-style: italic;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.tool-sequence__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tool-sequence__footnote {
  margin: 0;
  padding: 12px var(--space-lg);
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  color: #9CA3AF;
}

.tool-call {
  padding: 14px var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.tool-call:last-child {
  border-bottom: none;
}

.tool-call__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.tool-call__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(96, 165, 250, 0.18);
  color: #93C5FD;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.tool-call__name {
  color: #93C5FD;
  font-weight: 600;
}

.tool-call__note {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  color: #9CA3AF;
}

.tool-call__status {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-left: auto;
}

.tool-call__status--good { background: rgba(16, 185, 129, 0.15); color: #34D399; }
.tool-call__status--bad  { background: rgba(220, 38, 38, 0.18);  color: #F87171; }
.tool-call__status--neutral { background: rgba(255, 255, 255, 0.08); color: #D1D5DB; }

/* Color-wash the tool name + number when a call is in a failure state */
.tool-call--bad .tool-call__num { background: rgba(220, 38, 38, 0.18); color: #FCA5A5; }
.tool-call--bad .tool-call__name { color: #FCA5A5; }
.tool-call--good .tool-call__num { background: rgba(16, 185, 129, 0.18); color: #6EE7B7; }
.tool-call--good .tool-call__name { color: #6EE7B7; }

.tool-call__args {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 18px;
  margin: 0;
  padding-left: 36px;
}

.tool-call__args dt {
  color: #6B7280;
  font-size: 12.5px;
}

.tool-call__args dd {
  color: #E8E8E0;
  margin: 0;
  word-break: break-word;
}

.tool-call__result {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin-top: 10px;
  padding-left: 36px;
  padding-top: 8px;
  border-top: 1px dashed rgba(255, 255, 255, 0.06);
}

.tool-call__result-label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6B7280;
}

.tool-call__result-value {
  color: #E8E8E0;
}

@media (max-width: 640px) {
  .tool-call__args { padding-left: 0; }
  .tool-call__result { padding-left: 0; }
  .tool-call__head { gap: 8px; }
}

/* ---------- Carousel / slider ---------- */
.post-carousel {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-light-alt);
}

.post-carousel__viewport {
  overflow: hidden;
}

.post-carousel__track {
  display: flex;
  transition: transform 0.6s var(--ease-out-expo);
  will-change: transform;
}

.post-carousel__slide {
  flex: 0 0 100%;
  min-width: 0;
  position: relative;
}

.post-carousel__slide img,
.post-carousel__slide video {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  cursor: zoom-in;
}

.post-carousel__slide .cs-caption {
  padding: var(--space-md) var(--space-lg);
  margin: 0;
}

.post-carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  color: #111;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s var(--ease-out-expo), background 0.3s ease;
  z-index: 2;
}

.post-carousel__btn:hover {
  transform: translateY(-50%) scale(1.1);
  background: white;
}

.post-carousel__btn--prev { left: var(--space-md); }
.post-carousel__btn--next { right: var(--space-md); }

.post-carousel__btn[disabled] {
  opacity: 0.35;
  pointer-events: none;
}

.post-carousel__dots {
  position: absolute;
  bottom: var(--space-md);
  left: 0;
  right: 0;
  display: flex;
  gap: 8px;
  justify-content: center;
  z-index: 2;
}

.post-carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.post-carousel__dot.is-active {
  background: white;
  width: 24px;
  border-radius: 4px;
}

/* ---------- Share row ---------- */
.post-share {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-light-alt);
}

.post-share__inner {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.post-share__buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.post-share__buttons i {
  margin-right: var(--space-xs);
  font-size: 1.1em;
  vertical-align: -2px;
}

/* ---------- Keep reading (dark section: related posts + case studies) ---------- */
.keep-reading__header {
  max-width: 720px;
  margin-bottom: var(--space-2xl);
}

.keep-reading__header .section-header__label {
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.keep-reading__header .heading-2 {
  color: var(--text-on-dark);
}

.keep-reading__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.kr-card {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  text-decoration: none;
  color: var(--text-on-dark);
  transition: transform 0.6s var(--ease-out-expo), background 0.4s ease, border-color 0.4s ease;
}

.kr-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}

.kr-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #1A2036 0%, #0A0F1C 100%);
}

.kr-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out-expo);
}

.kr-card:hover .kr-card__media img {
  transform: scale(1.04);
}

.kr-card__info {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.kr-card__kicker {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}

.kr-card__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.2;
}

.kr-card__subtitle {
  font-size: var(--text-base);
  color: rgba(245, 245, 240, 0.7);
  line-height: 1.55;
  margin: 0;
}

.kr-card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-on-dark);
  margin-top: auto;
  padding-top: var(--space-md);
  opacity: 0.85;
  transition: opacity 0.3s ease;
}

.kr-card:hover .kr-card__link {
  opacity: 1;
  color: var(--accent);
}

.keep-reading__all {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Subscribe row ---------- */
.subscribe {
  padding: var(--space-3xl) 0;
  background: var(--bg-light);
  border-top: 1px solid var(--border);
}

.subscribe__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}

.subscribe__text .section-header__label {
  margin-bottom: var(--space-md);
}

.subscribe__text .heading-2 {
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.subscribe__text .body-base {
  max-width: 440px;
}

.subscribe__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.subscribe__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.subscribe__row {
  display: flex;
  gap: var(--space-sm);
  align-items: stretch;
}

.subscribe__input {
  flex: 1;
  min-width: 0;
  padding: var(--space-md) var(--space-lg);
  font-family: inherit;
  font-size: var(--text-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: white;
  color: var(--text-primary);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.subscribe__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.subscribe__row .btn {
  white-space: nowrap;
}

.subscribe__foot {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: var(--space-xs) 0 0;
}

.subscribe__foot a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.subscribe__honey { display: none !important; }

.subscribe__thanks {
  display: none;
  padding: var(--space-md) var(--space-lg);
  background: rgba(37, 99, 235, 0.08);
  border-radius: var(--radius-md);
  color: var(--accent);
  font-weight: 500;
}

.subscribe__thanks.is-visible { display: block; }

.btn__arrow--left { display: inline-block; margin-right: 4px; }

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

@media (max-width: 768px) {
  .post-header { padding-top: 120px; }
  .post-prose { font-size: var(--text-base); }
  .keep-reading__grid { grid-template-columns: 1fr; }
  .subscribe__row { flex-direction: column; }
}