/* =========================
   BLOG PAGE
   ========================= */

/* Hero */
.blog-hero {
  position: relative;
  padding-top: 8rem;
  padding-bottom: 3rem;
}

.blog-hero__container {
  position: relative;
  margin: 0 auto;
  max-width: var(--container-4xl);
  padding: 0 1rem;
  text-align: center;
}

.blog-hero__label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--primary);
}

.blog-hero__title {
  margin-top: 0.75rem;
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-bold);
}

@media (min-width: 640px) {
  .blog-hero__title {
    font-size: var(--text-5xl);
  }
}

@media (min-width: 768px) {
  .blog-hero__title {
    font-size: var(--text-6xl);
  }
}

.blog-hero__desc {
  margin: 1rem auto 0;
  max-width: var(--container-2xl);
  color: var(--muted-foreground);
}

/* =========================
   BREADCRUMBS (Phase 4.4.5)
   Shared by Main Blog, Category, Single Post and Author pages
   (all of them load blog.css).
   ========================= */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--text-sm);
  color: var(--muted-foreground);
}

.crumbs a {
  transition: color var(--transition);
}

.crumbs a:hover {
  color: var(--foreground);
}

.crumbs-sep {
  color: color-mix(in oklab, var(--muted-foreground) 60%, transparent);
}

.crumbs-current {
  color: var(--foreground);
}

/* Featured Post */
.blog-featured {
  padding-top: 3.5rem;
}

.blog-featured__container {
  margin: 0 auto;
  max-width: var(--container-7xl);
  padding: 0 1rem;
}

.blog-featured__card {
  display: grid;
  overflow: hidden;
  border-radius: calc(var(--radius) + 12px);
  border: 1px solid var(--border);
  background: var(--card);
  text-decoration: none;
  color: inherit;
  transition: border-color 300ms var(--ease-in-out);
}

.blog-featured__card:hover {
  border-color: color-mix(in oklab, var(--primary) 40%, transparent);
}

@media (min-width: 768px) {
  .blog-featured__card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.blog-featured__img {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
}

@media (min-width: 768px) {
  .blog-featured__img {
    aspect-ratio: auto;
    height: 100%;
  }
}

.blog-featured__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem;
}

@media (min-width: 768px) {
  .blog-featured__body {
    padding: 2.5rem;
  }
}

.blog-featured__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.blog-featured__category {
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.125rem 0.625rem;
  font-size: var(--text-xs);
  color: var(--primary);
}

.blog-featured__read {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--text-xs);
  color: var(--muted-foreground);
}

.blog-featured__read-icon {
  height: 0.875rem;
  width: 0.875rem;
}

.blog-featured__title {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
}

@media (min-width: 640px) {
  .blog-featured__title {
    font-size: var(--text-3xl);
  }
}

.blog-featured__excerpt {
  margin-top: 0.75rem;
  color: var(--muted-foreground);
}

.blog-featured__link {
  margin-top: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--primary);
  transition: color 300ms var(--ease-in-out);
}

.blog-featured__card:hover .blog-featured__link {
  color: var(--primary-glow);
}

.blog-featured__link-icon {
  height: 1rem;
  width: 1rem;
}

/* Post Grid */
.blog-grid {
  padding: 3.5rem 0;
}

.blog-grid__container {
  margin: 0 auto;
  max-width: var(--container-7xl);
  padding: 0 1rem;
}

.blog-grid__cards {
  margin-top: 2rem;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .blog-grid__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .blog-grid__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.blog-grid__empty {
  padding: 4rem 2rem;
  text-align: center;
  color: var(--muted-foreground);
}

.blog-grid__empty p {
  font-size: var(--text-base);
}

.blog-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border-radius: calc(var(--radius) + 12px);
  border: 1px solid var(--border);
  background: var(--card);
  text-decoration: none;
  color: inherit;
  transition: border-color 300ms var(--ease-in-out);
}

.blog-card:hover {
  border-color: color-mix(in oklab, var(--primary) 40%, transparent);
}

.blog-card__img {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
}

.blog-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.5rem;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.blog-card__category {
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.125rem 0.625rem;
  font-size: var(--text-xs);
  color: var(--muted-foreground);
}

.blog-card__read {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--text-xs);
  color: var(--muted-foreground);
}

.blog-card__read-icon {
  height: 0.875rem;
  width: 0.875rem;
}

.blog-card__title {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-tight);
}

.blog-card__excerpt {
  margin-top: 0.5rem;
  font-size: var(--text-sm);
  color: var(--muted-foreground);
}

.blog-card__link {
  margin-top: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--primary);
  transition: color 300ms var(--ease-in-out);
}

.blog-card:hover .blog-card__link {
  color: var(--primary-glow);
}

/* Phase 4.3.7 — independent post/author links on listing cards */
.blog-card__media {
  display: block;
}

.blog-card__title-link {
  color: inherit;
  text-decoration: none;
  transition: color 300ms var(--ease-in-out);
}

.blog-card__title-link:hover {
  color: var(--primary);
}

.blog-card__title-link:focus-visible,
.blog-card__author-link:focus-visible,
.blog-card__link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

.blog-card__link {
  text-decoration: none;
}

.blog-card__author {
  margin-top: 0.75rem;
  font-size: var(--text-sm);
}

.blog-card__author-link,
.blog-card__author-name {
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color 300ms var(--ease-in-out);
}

.blog-card__author-link:hover {
  color: var(--primary);
}

.blog-card__link-icon {
  height: 1rem;
  width: 1rem;
}

/* Newsletter */
.blog-newsletter {
  position: relative;
  padding: 5rem 0;
}

.blog-newsletter__container {
  margin: 0 auto;
  max-width: var(--container-4xl);
  padding: 0 1rem;
}

.blog-newsletter__card {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius) + 12px);
  border: 1px solid var(--border);
  background: var(--card);
  padding: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .blog-newsletter__card {
    padding: 3rem;
  }
}

.blog-newsletter__glow {
  position: absolute;
  top: -5rem;
  right: -5rem;
  height: 18rem;
  width: 18rem;
  border-radius: 50%;
  background: color-mix(in oklab, var(--primary) 20%, transparent);
  filter: blur(48px);
  pointer-events: none;
}

.blog-newsletter__label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--primary);
}

.blog-newsletter__title {
  margin-top: 0.75rem;
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-bold);
}

@media (min-width: 640px) {
  .blog-newsletter__title {
    font-size: var(--text-4xl);
  }
}

.blog-newsletter__desc {
  margin: 0.75rem auto 0;
  max-width: var(--container-xl);
  font-size: var(--text-sm);
  color: var(--muted-foreground);
}

.blog-newsletter__form {
  margin: 1.75rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: var(--container-md);
}

@media (min-width: 640px) {
  .blog-newsletter__form {
    flex-direction: row;
  }
}

.blog-newsletter__input {
  min-width: 0;
  flex: 1;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface) 60%, transparent);
  padding: 0.75rem 1.25rem;
  font-size: var(--text-sm);
  color: var(--foreground);
  outline: none;
  transition: border-color 300ms var(--ease-in-out);
}

.blog-newsletter__input:focus {
  border-color: color-mix(in oklab, var(--primary) 60%, transparent);
}

.blog-newsletter__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 9999px;
  background: var(--primary);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-foreground);
  border: none;
  cursor: pointer;
  box-shadow: 0 0 30px -8px oklch(0.62 0.22 25 / 0.7);
  transition: background 300ms var(--ease-in-out);
}

.blog-newsletter__submit:hover {
  background: var(--primary-glow);
}

.blog-newsletter__submit:disabled {
  opacity: 0.6;
}

.blog-newsletter__submit-icon {
  height: 1rem;
  width: 1rem;
}
/* =========================
   CATEGORY NAVIGATION
   ========================= */

.blog-categories {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.blog-categories__container {
  margin: 0 auto;
  max-width: var(--container-7xl);
  padding: 0 1rem;
}

.blog-categories__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.blog-categories__link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--muted-foreground);
  text-decoration: none;
  transition: all 200ms var(--ease-in-out);
}

.blog-categories__link:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.blog-categories__link.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--primary-foreground);
}

/* =========================
   CATEGORY GRID
   ========================= */

.blog-grid__title {
  margin-top: 2rem;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--foreground);
}

.blog-grid__count {
  margin-top: 0.5rem;
  font-size: var(--text-sm);
  color: var(--muted-foreground);
}

.blog-grid__cards {
  margin-top: 2rem;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .blog-grid__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .blog-grid__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* =========================
   POST CATEGORY LABEL
   ========================= */


.post-category__link {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  background: color-mix(in oklab, var(--primary) 10%, transparent);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--primary);
  text-decoration: none;
  transition: background 200ms var(--ease-in-out);
}

.post-category__link:hover {
  background: color-mix(in oklab, var(--primary) 20%, transparent);
}

/* =========================
   PAGINATION
   ========================= */

.blog-pagination {
  padding: 3rem 0;
}

.blog-pagination__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.blog-pagination__link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--foreground);
  text-decoration: none;
  transition: all 200ms var(--ease-in-out);
}

.blog-pagination__link:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.blog-pagination__info {
  font-size: var(--text-sm);
  color: var(--muted-foreground);
}

/* =========================
   EMPTY STATE
   ========================= */

.blog-grid__empty {
  padding: 4rem 2rem;
  text-align: center;
  color: var(--muted-foreground);
}

.blog-grid__empty p {
  font-size: var(--text-base);
}