/* ══════════════════════════════════════════
   Blog — Listing & Post Pages
   ══════════════════════════════════════════ */

/* ── Blog listing hero override ── */
.about-hero.blog-hero {
  padding-block-end: 1.5rem !important;
}

/* ── Category tags ── */
.blog-tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-green);
  background: rgba(0, 100, 98, 0.08);
  padding: 4px 12px;
  border-radius: 20px;
  white-space: nowrap;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  color: var(--c-body);
  flex-wrap: wrap;
}

.blog-meta__sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--c-body);
  opacity: 0.4;
}

/* ── Listing: Featured card ── */
.blog-featured {
  padding: var(--sp-8);
  background: var(--c-ink);
  border-radius: var(--r-lg);
  margin-block-end: var(--sp-10);
  position: relative;
  overflow: hidden;
}

.blog-featured::before {
  content: 'FEATURED';
  position: absolute;
  top: var(--sp-5);
  right: var(--sp-5);
  font-family: var(--f-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--c-teal, #00B2AF);
  background: rgba(0, 178, 175, 0.15);
  padding: 4px 12px;
  border-radius: 20px;
  z-index: 1;
}

.blog-featured__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
  align-items: center;
}

.blog-featured__image {
  aspect-ratio: 16/9;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, #0a3d3b 0%, var(--c-green) 100%);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
}

.blog-featured__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-featured__image .blog-tag {
  position: relative;
  z-index: 1;
  align-self: flex-start;
  background: rgba(0, 178, 175, 0.2);
  color: var(--c-teal, #00B2AF);
}

.blog-featured__image .blog-featured__title {
  position: relative;
  z-index: 1;
  margin-top: auto;
}

.blog-featured__image .blog-featured__title a {
  color: #FFFFFF !important;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.blog-featured__content {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.blog-featured .blog-tag {
  background: rgba(0, 178, 175, 0.15);
  color: var(--c-teal, #00B2AF);
}

.blog-featured__title {
  font-family: var(--f-sans);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: var(--fw-bold);
  color: var(--c-cream);
  line-height: 1.2;
}

.blog-featured__title a {
  color: inherit;
  text-decoration: none;
}

.blog-featured__title a:hover {
  color: var(--c-teal, #00B2AF);
}

.blog-featured__excerpt {
  font-size: var(--fs-md);
  color: rgba(245, 240, 235, 0.7);
  line-height: var(--lh-body);
  max-width: 48ch;
}

.blog-featured .blog-meta {
  color: rgba(245, 240, 235, 0.5);
}

.blog-featured .blog-meta__sep {
  background: rgba(245, 240, 235, 0.3);
}

/* ── Listing: Filter bar ── */
.blog-filters {
  display: flex;
  gap: var(--sp-3);
  padding-block-end: var(--sp-8);
  flex-wrap: wrap;
}

.blog-filter {
  font-family: var(--f-sans);
  font-size: var(--fs-sm);
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 24px;
  border: 1px solid var(--c-border);
  background: var(--c-white);
  color: var(--c-body);
  cursor: pointer;
  transition: all var(--transition);
}

.blog-filter:hover {
  border-color: var(--c-green);
  color: var(--c-green);
}

.blog-filter--active {
  background: var(--c-green);
  border-color: var(--c-green);
  color: var(--c-white);
}

/* ── Listing: Card grid ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.blog-card {
  background: var(--c-white);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--r-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-green);
}

.blog-card__image {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--c-ink) 0%, #0a3d3b 50%, var(--c-green) 100%);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
}

.blog-card__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card__image .blog-tag {
  position: relative;
  z-index: 1;
  align-self: flex-start;
  background: rgba(0, 178, 175, 0.2);
  color: var(--c-teal, #00B2AF);
}

.blog-card__image .blog-card__title,
.blog-card__image h3.blog-card__title {
  position: relative;
  z-index: 1;
  color: #FFFFFF !important;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
  margin-top: auto;
}

.blog-card__body {
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex: 1;
}

.blog-card__title {
  font-family: var(--f-sans);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  color: var(--c-ink);
  line-height: 1.3;
}

.blog-card__excerpt {
  font-size: var(--fs-sm);
  color: var(--c-body);
  line-height: var(--lh-body);
  flex: 1;
}

.blog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-3);
  border-top: 1px solid var(--c-border-subtle);
  margin-top: auto;
}

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

/* ── Post: Header ── */
.blog-post__header {
  padding-block-start: calc(var(--section-pad) + 80px);
  padding-block-end: var(--sp-8);
  background: var(--c-ink);
  color: var(--c-cream);
}

.blog-post__header-inner {
  max-width: 780px;
  margin-inline: auto;
}

.blog-post__title {
  font-family: var(--f-sans);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--fw-bold);
  line-height: 1.15;
  margin-block: var(--sp-5) var(--sp-6);
  color: var(--c-cream);
}

/* Title inside hero gradient block */
h1.blog-post__hero-title,
.blog-post__hero-title {
  font-family: var(--f-sans);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: var(--fw-bold);
  line-height: 1.15;
  color: #FFFFFF !important;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
  text-align: center;
  padding: 0 15%;
  margin: 0;
}

.blog-post__header .blog-tag {
  background: rgba(0, 178, 175, 0.15);
  color: var(--c-teal, #00B2AF);
}

.blog-post__header .blog-meta {
  color: rgba(245, 240, 235, 0.6);
}

.blog-post__header .blog-meta__sep {
  background: rgba(245, 240, 235, 0.4);
}

/* ── Post: Share buttons ── */
.blog-share {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
}

.blog-share__label {
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(245, 240, 235, 0.5);
}

.blog-share__btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(245, 240, 235, 0.2);
  background: transparent;
  color: var(--c-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.blog-share__btn:hover {
  background: rgba(0, 178, 175, 0.15);
  border-color: var(--c-teal, #00B2AF);
  color: var(--c-teal, #00B2AF);
}

.blog-share__btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ── Post: Hero image ── */
.blog-post__hero {
  max-width: 980px;
  margin: calc(-1 * var(--sp-8)) auto var(--sp-8);
  position: relative;
  z-index: 1;
}

.blog-post__hero-img {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--c-ink) 0%, #0a3d3b 50%, var(--c-green) 100%);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-post__hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Post: Two-column layout ── */
.blog-post__layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--sp-10);
  max-width: 1080px;
  margin-inline: auto;
  padding-block: var(--sp-6);
}

/* ── Post: Table of contents (sidebar) ── */
.blog-toc {
  position: sticky;
  top: 120px;
  align-self: start;
}

.blog-toc__back {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-green);
  text-decoration: none;
  margin-block-end: var(--sp-5);
  padding-block-end: var(--sp-4);
  border-bottom: 1px solid var(--c-border-subtle);
  transition: color var(--transition);
}

.blog-toc__back:hover {
  color: var(--c-green-dark, #004E4C);
}

.blog-toc__back svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.blog-toc__label {
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-body);
  margin-block-end: var(--sp-4);
}

.blog-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.blog-toc__link {
  font-size: var(--fs-sm);
  color: var(--c-body);
  text-decoration: none;
  padding: 4px 0;
  border-left: 2px solid var(--c-border-subtle);
  padding-left: var(--sp-4);
  transition: all var(--transition);
  display: block;
  line-height: 1.4;
}

.blog-toc__link:hover {
  color: var(--c-green);
  border-left-color: var(--c-green);
}

.blog-toc__link--active {
  color: var(--c-green);
  border-left-color: var(--c-green);
  font-weight: 500;
}

/* ── Post: Article body prose ── */
.blog-post__body {
  max-width: 720px;
}

.blog-post__body h2 {
  font-family: var(--f-sans);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--c-ink);
  margin-block: var(--sp-10) var(--sp-5);
  line-height: 1.25;
  scroll-margin-top: 100px;
}

.blog-post__body h2:first-child {
  margin-block-start: 0;
}

.blog-post__body h3 {
  font-family: var(--f-sans);
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  color: var(--c-ink);
  margin-block: var(--sp-8) var(--sp-4);
  line-height: 1.3;
}

.blog-post__body p {
  font-size: var(--fs-md);
  color: var(--c-body);
  line-height: 1.8;
  margin-block-end: var(--sp-5);
}

.blog-post__body ul,
.blog-post__body ol {
  margin-block-end: var(--sp-5);
  padding-inline-start: var(--sp-6);
}

.blog-post__body li {
  font-size: var(--fs-md);
  color: var(--c-body);
  line-height: 1.8;
  margin-block-end: var(--sp-2);
}

.blog-post__body strong {
  font-weight: var(--fw-semibold);
  color: var(--c-ink);
}

.blog-post__body a {
  color: var(--c-green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-post__body a:hover {
  color: var(--c-green-dark, #004E4C);
}

.blog-post__body blockquote {
  border-left: 3px solid var(--c-green);
  padding: var(--sp-4) var(--sp-6);
  margin-block: var(--sp-6);
  background: rgba(0, 100, 98, 0.04);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.blog-post__body blockquote p {
  font-style: italic;
  color: var(--c-ink);
  margin-block-end: 0;
}

/* ── Post: Stat callout ── */
.blog-stat {
  display: flex;
  align-items: baseline;
  gap: var(--sp-4);
  padding: var(--sp-6);
  background: var(--c-ink);
  border-radius: var(--r-lg);
  margin-block: var(--sp-6);
}

.blog-stat__number {
  font-family: var(--f-sans);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--fw-bold);
  color: var(--c-teal, #00B2AF);
  line-height: 1;
  white-space: nowrap;
}

.blog-stat__text {
  font-size: var(--fs-md);
  color: var(--c-cream);
  line-height: 1.5;
}

/* ── Post: Comparison table ── */
.blog-post__body table {
  width: 100%;
  border-collapse: collapse;
  margin-block: var(--sp-6);
  font-size: var(--fs-sm);
}

.blog-post__body th {
  font-weight: var(--fw-semibold);
  text-align: left;
  padding: var(--sp-3) var(--sp-4);
  background: var(--c-ink);
  color: var(--c-cream);
  border: 1px solid var(--c-ink);
}

.blog-post__body th:first-child {
  border-radius: var(--r-md) 0 0 0;
}

.blog-post__body th:last-child {
  border-radius: 0 var(--r-md) 0 0;
}

.blog-post__body td {
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--c-border-subtle);
  color: var(--c-body);
}

.blog-post__body tr:nth-child(even) td {
  background: rgba(0, 100, 98, 0.03);
}

/* ── Post: Inline CTA banner ── */
.blog-cta {
  padding: var(--sp-6) var(--sp-8);
  background: linear-gradient(135deg, var(--c-ink) 0%, #0a3d3b 100%);
  border-radius: var(--r-lg);
  margin-block: var(--sp-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-5);
}

.blog-cta__text {
  color: var(--c-cream);
}

.blog-cta__text strong {
  display: block;
  font-size: var(--fs-lg);
  margin-block-end: 4px;
  color: var(--c-cream);
}

.blog-cta__text span {
  font-size: var(--fs-sm);
  color: rgba(245, 240, 235, 0.7);
}

/* ── Post: Related posts ── */
.blog-related {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--c-border-subtle);
}

.blog-related__title {
  font-family: var(--f-sans);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  margin-block-end: var(--sp-8);
}

.blog-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .blog-featured__inner {
    grid-template-columns: 1fr;
  }
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .blog-post__layout {
    grid-template-columns: 1fr;
  }
  .blog-toc {
    position: static;
    padding-block-end: var(--sp-6);
    border-bottom: 1px solid var(--c-border-subtle);
    margin-block-end: var(--sp-6);
  }
  .blog-related__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .blog-cta {
    flex-direction: column;
    text-align: center;
  }
  .blog-related__grid {
    grid-template-columns: 1fr;
  }
  .blog-stat {
    flex-direction: column;
    text-align: center;
    padding: var(--sp-4);
  }
  .blog-post__hero-title,
  h1.blog-post__hero-title {
    padding: 0 var(--sp-4);
  }
  .blog-tag {
    white-space: normal;
  }
  .blog-featured {
    padding: var(--sp-4);
  }
  .blog-card__body {
    padding: var(--sp-4);
  }
  .blog-card__image {
    padding: var(--sp-4);
  }
  .blog-filter {
    padding: 6px 14px;
    font-size: var(--fs-xs);
    min-height: 44px;
  }

  /* Subscribe page mobile */
  .subscribe-step {
    flex-direction: column;
    gap: var(--sp-3);
  }
  .subscribe-rss-card {
    padding: var(--sp-5);
  }
  .subscribe-readers {
    padding: var(--sp-4) var(--sp-5);
  }
}