/* ========================================================================
   GEO SOLUTIONS — BLOG
   - Blog index page
   - Blog post page (long-form typography)
   ======================================================================== */

/* ============================================================
   BLOG INDEX
   ============================================================ */

.blog-hero {
  padding: var(--space-24) 0 var(--space-16);
  border-bottom: 1px solid var(--color-border-subtle);
}

@media (max-width: 767px) {
  .blog-hero {
    padding: var(--space-16) 0 var(--space-12);
  }
}

.blog-hero__inner {
  max-width: 880px;
}

.blog-hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  letter-spacing: -0.025em;
  line-height: var(--leading-tight);
  margin: var(--space-4) 0 var(--space-6);
  color: var(--color-text-primary);
}

.blog-hero h1 .accent {
  color: var(--color-accent);
}

.blog-hero__lede {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 70ch;
  margin: 0 0 var(--space-8);
}

/* ===== Category filters (placeholder) ===== */

.blog-filters__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.blog-filters__chip {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  padding: 6px 14px;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  background: transparent;
  display: inline-block;
}

.blog-filters__chip--active {
  color: var(--color-accent);
  border-color: rgba(130, 255, 140, 0.3);
  background: rgba(130, 255, 140, 0.06);
}

/* ===== Featured post — full-width hero card ===== */

.blog-featured-section {
  padding: var(--space-16) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.blog-featured-section__head {
  max-width: 760px;
  margin-bottom: var(--space-8);
}

.blog-featured-section__head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
  margin: var(--space-3) 0 0;
  color: var(--color-text-primary);
}

.blog-featured {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--duration-fast) var(--ease-default);
}

.blog-featured:hover {
  border-color: rgba(130, 255, 140, 0.3);
}

@media (min-width: 1024px) {
  .blog-featured {
    grid-template-columns: 1.2fr 1fr;
    padding: var(--space-12);
    gap: var(--space-12);
    align-items: center;
  }
}

.blog-featured__visual {
  background: linear-gradient(135deg, rgba(130, 255, 140, 0.08), var(--color-bg-elevated));
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: var(--weight-medium);
  color: var(--color-accent);
  letter-spacing: -0.02em;
  text-align: center;
  padding: var(--space-8);
  line-height: 1.1;
}

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

.blog-featured__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.blog-featured__eyebrow::before {
  content: "★";
}

.blog-featured__category {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.blog-featured__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: var(--weight-medium);
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin: 0;
}

.blog-featured__excerpt {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.blog-featured__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-top: var(--space-2);
}

/* ===== Post grid ===== */

.blog-grid-section {
  padding: var(--space-16) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.blog-grid-section__head {
  max-width: 760px;
  margin-bottom: var(--space-8);
}

.blog-grid-section__head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
  margin: var(--space-3) 0 0;
  color: var(--color-text-primary);
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

@media (min-width: 1100px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--duration-fast) var(--ease-default),
              transform var(--duration-fast) var(--ease-default);
}

.blog-card:hover {
  border-color: rgba(130, 255, 140, 0.3);
  transform: translateY(-2px);
}

.blog-card__visual {
  background: linear-gradient(135deg, rgba(130, 255, 140, 0.06), var(--color-bg-elevated));
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: var(--weight-medium);
  color: var(--color-accent);
  letter-spacing: -0.02em;
  text-align: center;
  padding: var(--space-4);
  line-height: 1.2;
}

.blog-card__category {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: var(--space-2);
}

.blog-card__title {
  font-size: var(--text-h4);
  font-weight: var(--weight-medium);
  letter-spacing: -0.015em;
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin: 0;
}

.blog-card__excerpt {
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
  flex-grow: 1;
}

.blog-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-top: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

/* ===== Newsletter teaser ===== */

.blog-newsletter {
  padding: var(--space-24) 0;
  border-bottom: 1px solid var(--color-border-subtle);
  background: linear-gradient(180deg, var(--color-bg-base), rgba(130, 255, 140, 0.03));
}

.blog-newsletter__inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.blog-newsletter h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
  margin: var(--space-3) 0 var(--space-4);
  color: var(--color-text-primary);
}

.blog-newsletter p {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0 0 var(--space-6);
}

.blog-newsletter__placeholder {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--space-3) var(--space-6);
  border: 1px dashed var(--color-border-subtle);
  border-radius: var(--radius-full);
  display: inline-block;
}

/* ============================================================
   BLOG POST PAGE — long-form
   ============================================================ */

/* ===== Post hero ===== */

.post-hero {
  padding: var(--space-24) 0 var(--space-12);
  border-bottom: 1px solid var(--color-border-subtle);
}

@media (max-width: 767px) {
  .post-hero {
    padding: var(--space-16) 0 var(--space-8);
  }
}

.post-hero__inner {
  max-width: 880px;
  margin: 0 auto;
}

.post-hero__breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.post-hero__breadcrumb a {
  color: var(--color-text-tertiary);
  text-decoration: none;
}

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

.post-hero__breadcrumb-sep {
  margin: 0 var(--space-2);
  opacity: 0.5;
}

.post-hero__category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(130, 255, 140, 0.08);
  border: 1px solid rgba(130, 255, 140, 0.25);
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
}

.post-hero__category::before {
  content: "●";
  font-size: 0.7em;
}

.post-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.025em;
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-6);
  color: var(--color-text-primary);
  max-width: 26ch;
}

.post-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-body-sm);
  color: var(--color-text-tertiary);
  letter-spacing: -0.005em;
}

.post-hero__meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.post-hero__meta-item:not(:first-child)::before {
  content: "—";
  color: var(--color-accent);
  margin-right: 4px;
}

/* ===== Article body — long-form typography ===== */

.post-body {
  padding: var(--space-16) 0 var(--space-12);
}

@media (max-width: 767px) {
  .post-body {
    padding: var(--space-12) 0 var(--space-8);
  }
}

.post-body__inner {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  letter-spacing: -0.005em;
}

.post-body__inner > p {
  margin: 0 0 var(--space-6);
}

.post-body__inner > p:first-child {
  font-size: 1.25rem;
  line-height: 1.65;
  color: var(--color-text-primary);
  margin-bottom: var(--space-8);
}

.post-body__inner h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: var(--weight-medium);
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin: var(--space-12) 0 var(--space-4);
}

.post-body__inner h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: var(--weight-medium);
  letter-spacing: -0.015em;
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin: var(--space-8) 0 var(--space-3);
}

.post-body__inner ul,
.post-body__inner ol {
  margin: 0 0 var(--space-6);
  padding-left: var(--space-6);
}

.post-body__inner li {
  margin-bottom: var(--space-3);
}

.post-body__inner ul li::marker {
  color: var(--color-accent);
}

.post-body__inner ol li::marker {
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.post-body__inner a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: rgba(130, 255, 140, 0.4);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--duration-fast) var(--ease-default);
}

.post-body__inner a:hover {
  text-decoration-color: var(--color-accent);
}

.post-body__inner strong {
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
}

.post-body__inner em {
  color: var(--color-text-primary);
  font-style: italic;
}

.post-body__inner code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  color: var(--color-accent);
}

.post-body__inner pre {
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  overflow-x: auto;
  margin: 0 0 var(--space-6);
}

.post-body__inner pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--color-text-primary);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ===== Pull quote ===== */

.pull-quote {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-3) 0 var(--space-3) var(--space-6);
  margin: var(--space-8) 0;
  font-size: 1.375rem;
  line-height: 1.5;
  color: var(--color-text-primary);
  font-style: italic;
  letter-spacing: -0.015em;
}

/* ===== Key takeaways callout ===== */

.takeaways {
  background: rgba(130, 255, 140, 0.04);
  border: 1px solid rgba(130, 255, 140, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin: var(--space-12) 0;
}

.takeaways__title {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent);
  text-transform: uppercase;
  margin: 0 0 var(--space-4);
}

.takeaways__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.takeaways__list li {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  padding-left: var(--space-6);
  position: relative;
}

.takeaways__list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: var(--weight-medium);
}

/* ===== Author bio ===== */

.post-author {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.post-author__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(130, 255, 140, 0.15), var(--color-bg-elevated));
  border: 1px solid var(--color-border-subtle);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  color: var(--color-accent);
}

.post-author__name {
  font-size: var(--text-body);
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
  margin: 0;
}

.post-author__role {
  font-size: var(--text-body-sm);
  color: var(--color-text-tertiary);
  margin: 2px 0 0;
}

/* ===== Continue reading ===== */

.post-related {
  padding: var(--space-16) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.post-related__head {
  max-width: 880px;
  margin: 0 auto var(--space-8);
}

.post-related__head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
  margin: var(--space-3) 0 0;
  color: var(--color-text-primary);
}

.post-related__grid {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .post-related__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Final CTA ===== */

.post-cta-final {
  padding: var(--space-24) 0;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-base), rgba(130, 255, 140, 0.04));
}

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

.post-cta-final h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: -0.025em;
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-4);
  color: var(--color-text-primary);
}

.post-cta-final p {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0 0 var(--space-6);
}