/* Blog — SEO hub, articles, media */

.blog-hero {
  padding: calc(var(--header-h) + 48px) 0 clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}

.blog-hero .lede {
  max-width: 680px;
  margin-top: 20px;
  color: var(--white-dim);
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.7;
}

.blog-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  justify-content: space-between;
  margin-top: clamp(32px, 5vw, 48px);
}

.blog-search {
  flex: 1 1 280px;
  max-width: 420px;
}

.blog-search label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white-mute);
}

.blog-search input {
  width: 100%;
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  background: var(--black-soft);
  color: var(--white);
  transition: border-color 0.3s var(--ease);
}

.blog-search input:focus {
  outline: none;
  border-color: var(--white);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.blog-social {
  padding: clamp(48px, 7vw, 80px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.blog-social__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.blog-social__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--line-strong);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white-dim);
  transition: 0.3s var(--ease);
}

.blog-social__btn:hover {
  border-color: var(--white);
  color: var(--white);
}

.blog-social__btn.is-soon {
  opacity: 0.55;
  cursor: default;
}

.blog-social__btn.is-soon:hover {
  border-color: var(--line-strong);
  color: var(--white-dim);
}

.blog-feed {
  padding: clamp(48px, 7vw, 80px) 0;
}

.blog-feed__head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: clamp(28px, 4vw, 40px);
}

.blog-feed__count {
  font-size: 13px;
  color: var(--white-mute);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 28px);
}

.blog-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: var(--black-soft);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
  color: inherit;
  text-decoration: none;
}

.blog-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.blog-card.is-hidden {
  display: none;
}

.blog-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--black-card);
}

.blog-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) brightness(0.62);
  transition: transform 0.8s var(--ease), filter 0.8s var(--ease);
}

.blog-card:hover .blog-card__media img {
  transform: scale(1.03);
  filter: grayscale(0.35) brightness(0.72);
}

.blog-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px 20px 22px;
}

.blog-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  margin-bottom: 12px;
}

.blog-type {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white-mute);
}

.blog-date {
  font-size: 12px;
  color: var(--white-mute);
}

.blog-card h3 {
  margin: 0 0 10px;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 400;
  line-height: 1.35;
}

.blog-card p {
  margin: 0 0 16px;
  flex: 1;
  color: var(--white-mute);
  font-size: 14px;
  line-height: 1.6;
}

.blog-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.blog-keywords span {
  padding: 4px 8px;
  border: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--white-mute);
}

.blog-card__link {
  align-self: flex-start;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white-dim);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.blog-card__link:hover {
  color: var(--white);
  border-color: var(--white);
}

.blog-empty {
  grid-column: 1 / -1;
  padding: 48px 24px;
  border: 1px dashed var(--line);
  text-align: center;
  color: var(--white-mute);
}

.blog-assistant {
  padding: clamp(48px, 7vw, 80px) 0;
}

.blog-assistant__box {
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.03), transparent 55%),
    var(--black-soft);
}

.blog-assistant__box h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 400;
}

.blog-assistant__box p {
  margin: 0;
  max-width: 640px;
  color: var(--white-dim);
  line-height: 1.7;
}

.blog-assistant__tag {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white-mute);
}

/* ── Full article page ── */

.blog-article__hero {
  padding-top: calc(var(--header-h) + 32px);
}

.blog-article__intro {
  max-width: 760px;
  margin-bottom: clamp(28px, 4vw, 40px);
}

.blog-article__crumb {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white-mute);
}

.blog-article__crumb a {
  color: var(--white-dim);
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.blog-article__crumb a:hover {
  color: var(--white);
  border-color: var(--white);
}

.blog-article__title {
  margin: 12px 0 20px;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.blog-article__lede {
  margin: 0 0 20px;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.7;
  color: var(--white-dim);
}

.blog-article__tags {
  margin-bottom: 0;
}

.blog-article__cover {
  margin: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--black-card);
}

.blog-article__cover img {
  display: block;
  width: 100%;
  max-height: min(72vh, 720px);
  object-fit: cover;
}

.blog-article__body {
  max-width: 720px;
  padding-top: clamp(40px, 6vw, 64px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.blog-article__section {
  margin-bottom: clamp(36px, 5vw, 52px);
}

.blog-article__section h2 {
  margin: 0 0 16px;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 400;
  line-height: 1.3;
}

.blog-article__section p {
  margin: 0 0 14px;
  color: var(--white-dim);
  font-size: 16px;
  line-height: 1.75;
}

.blog-article__section p:last-child {
  margin-bottom: 0;
}

.blog-article__section a:not(.btn) {
  color: var(--white);
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.blog-article__section a:not(.btn):hover {
  color: var(--white);
  border-color: var(--white);
}

.blog-article__toc {
  margin: 0 0 clamp(40px, 6vw, 56px);
  padding: 20px 22px;
  border: 1px solid var(--line);
  background: var(--black-soft);
}

.blog-article__toc .kicker {
  margin-bottom: 12px;
}

.blog-article__toc ol {
  margin: 0;
  padding-left: 1.25em;
  color: var(--white-dim);
  line-height: 1.9;
}

.blog-article__toc a {
  color: var(--white-dim);
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.blog-article__toc a:hover {
  color: var(--white);
  border-color: var(--white);
}

.blog-article__spec {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
}

.blog-article__spec p {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--white-mute);
}

.blog-article__spec p:last-child {
  margin-bottom: 0;
}

.blog-article__spec strong {
  color: var(--white-dim);
  font-weight: 500;
}

.blog-article__note {
  margin-top: 16px !important;
  font-size: 14px !important;
  color: var(--white-mute) !important;
}

.blog-article__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.blog-article__cta .btn {
  background: var(--white);
  border: 1px solid var(--white);
  color: var(--black);
  box-shadow: none;
}

.blog-article__cta .btn:hover,
.blog-article__cta .btn:focus-visible {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
  box-shadow: none;
}

.blog-article__cta .btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--white);
  box-shadow: none;
}

.blog-article__cta .btn-ghost:hover,
.blog-article__cta .btn-ghost:focus-visible {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
  box-shadow: none;
}

.blog-article__foot {
  margin-top: clamp(32px, 5vw, 48px);
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.blog-article__foot p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--white-mute);
}

.blog-article__foot code {
  font-size: 12px;
  color: var(--white-dim);
}

.blog-card--live {
  cursor: pointer;
}

.blog-card--live .blog-card__link {
  color: var(--white);
  border-color: var(--white);
}

@media (max-width: 980px) {
  .blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .blog-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .blog-search {
    max-width: none;
  }
}