/* ============================================
   Blog Article Styles
   Medium-style reading experience
   ============================================ */

/* ---- ARTICLE HEADER ---- */

.article-header {
  padding: calc(var(--space-section) * 0.6) 0 var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.article-header__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: var(--space-lg);
  transition: color var(--duration-fast);
}

.article-header__back:hover {
  color: var(--color-accent);
}

.article-header__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.article-header__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.12;
  margin-bottom: var(--space-md);
  max-width: 720px;
  word-spacing: 0.05em;
}

.article-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.article-header__author {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.article-header__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.article-header__author-name {
  color: var(--color-text);
  font-weight: 500;
}

.article-header__dot {
  color: var(--color-text-dim);
}

/* ---- ARTICLE BODY ---- */

.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: var(--space-section);
}

.article-body p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
}

.article-body p:first-child {
  font-size: 1.25rem;
  color: var(--color-text);
}

.article-body h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.2;
  color: var(--color-text);
  margin-top: 3rem;
  margin-bottom: 1.25rem;
}

.article-body h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--color-text);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.article-body strong {
  color: var(--color-text);
  font-weight: 600;
}

.article-body em {
  font-style: italic;
}

.article-body ul,
.article-body ol {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
  padding-left: 1.5rem;
}

.article-body li {
  margin-bottom: 0.75rem;
}

.article-body li::marker {
  color: var(--color-accent);
}

.article-body blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 0.25rem 0 0.25rem 1.5rem;
  margin: 2rem 0;
}

.article-body blockquote p {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 0;
}

/* Callout / highlight boxes */
.article-callout {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem 2rem;
  margin: 2rem 0;
}

.article-callout__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.article-callout p {
  font-size: 1rem !important;
  margin-bottom: 0.75rem !important;
}

.article-callout p:last-child {
  margin-bottom: 0 !important;
}

.article-callout ul {
  font-size: 1rem;
  margin-bottom: 0;
}

/* Numbered list with accent */
.article-body ol li::marker {
  color: var(--color-accent);
  font-weight: 700;
}

/* Code inline */
.article-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-bg-elevated);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--color-accent);
}

/* Divider */
.article-divider {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: 3rem 0;
}

/* ---- ARTICLE FOOTER / CTA ---- */

.article-footer {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-lg) 0 var(--space-section);
  border-top: 1px solid var(--color-border);
}

.article-footer__cta {
  text-align: center;
}

.article-footer__cta h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.article-footer__cta p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

/* ---- RESPONSIVE ---- */

@media (max-width: 768px) {
  .article-header {
    padding-top: var(--space-lg);
  }

  .article-header__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  .article-header__dot {
    display: none;
  }

  .article-body p,
  .article-body ul,
  .article-body ol {
    font-size: 1.0625rem;
  }

  .article-body p:first-child {
    font-size: 1.125rem;
  }

  .article-callout {
    padding: 1.25rem 1.25rem;
  }
}

/* ============================================
   Article Hero Banner
   ============================================ */

.article-hero {
  height: clamp(200px, 30vw, 320px);
  position: relative;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  width: 100vw;
}

.article-hero[data-topic="engineering"] {
  background: linear-gradient(160deg, #080808 0%, #0a1628 30%, #1a0a28 60%, #0a2818 100%);
}

.article-hero[data-topic="ai"] {
  background: linear-gradient(160deg, #080808 0%, #0a2818 30%, #082828 60%, #0a1828 100%);
}

.article-hero[data-topic="operations"] {
  background: linear-gradient(160deg, #080808 0%, #1a1808 30%, #0a1828 60%, #28180a 100%);
}

.article-hero__shapes {
  position: absolute;
  inset: 0;
}

.article-hero__circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.article-hero__circle--1 {
  width: 300px;
  height: 300px;
  top: -80px;
  right: 10%;
}

.article-hero__circle--2 {
  width: 200px;
  height: 200px;
  bottom: -60px;
  left: 15%;
  border-color: var(--color-accent-glow);
}

.article-hero__line {
  position: absolute;
  height: 1px;
}

.article-hero__line--1 {
  width: 40%;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 160, 0.1), transparent);
  top: 40%;
  left: 20%;
}

.article-hero__line--2 {
  width: 25%;
  background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.08), transparent);
  top: 65%;
  right: 10%;
}

/* ============================================
   Pull Quotes
   ============================================ */

.article-pullquote {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  margin: 3rem 0;
  position: relative;
}

.article-pullquote::before {
  content: '\201C';
  display: block;
  font-family: Georgia, serif;
  font-size: 5rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.3;
  margin-bottom: -1rem;
}

.article-pullquote p {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 3vw, 1.75rem) !important;
  line-height: 1.4;
  color: var(--color-text) !important;
  margin-bottom: 0 !important;
  font-style: normal;
}

.article-pullquote::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin: 1.5rem auto 0;
  opacity: 0.4;
}

/* ============================================
   Stat Callouts
   ============================================ */

.article-stat {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  margin: 2.5rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.article-stat__number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1;
  color: var(--color-accent);
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.article-stat__label {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  padding-top: 0.5rem;
}

/* Accent divider variant */
.article-divider--accent {
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.2;
}

/* ============================================
   Blog Landing Page
   ============================================ */

.blog-landing__hero {
  padding: calc(var(--nav-height) + var(--space-section) * 0.5) 0 var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.blog-landing__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin-bottom: var(--space-sm);
}

.blog-landing__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 560px;
}

.blog-landing__grid-section {
  padding: var(--space-lg) 0 var(--space-section);
}

.blog-landing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.blog-landing__card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.blog-landing__card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

.blog-landing__card-hero {
  height: 180px;
  position: relative;
  overflow: hidden;
}

.blog-landing__card-hero--engineering {
  background: linear-gradient(135deg, #0a1628 0%, #1a0a28 50%, #0a2818 100%);
}

.blog-landing__card-hero--ai {
  background: linear-gradient(135deg, #0a2818 0%, #0a1828 50%, #182808 100%);
}

.blog-landing__card-hero--operations {
  background: linear-gradient(135deg, #1a1808 0%, #0a1828 50%, #28180a 100%);
}

.blog-landing__card-hero::before {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  top: -30px;
  right: -20px;
}

.blog-landing__card-hero::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 50%;
  bottom: -60px;
  left: -40px;
}

.blog-landing__card-hero--engineering::before {
  border-color: rgba(0, 229, 160, 0.12);
}

.blog-landing__card-hero--ai::before {
  border-color: rgba(0, 229, 160, 0.15);
}

.blog-landing__card-hero--operations::before {
  border-color: rgba(201, 168, 76, 0.12);
}

.blog-landing__card-body {
  padding: var(--space-md);
}

.blog-landing__card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: var(--space-xs);
}

.blog-landing__card-excerpt {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.blog-landing__card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-dim);
  margin-bottom: var(--space-md);
}

.blog-landing__card-link {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--duration-fast);
}

.blog-landing__card-link:hover {
  opacity: 0.8;
}

@media (max-width: 768px) {
  .blog-landing__hero {
    padding-top: calc(var(--nav-height) + var(--space-lg));
  }

  .blog-landing__card-hero {
    height: 140px;
  }

  .article-hero {
    height: 180px;
  }

  .article-stat {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .article-stat__number {
    font-size: 2.5rem;
  }
}

/* ============================================
   Announcement / Press Release articles + photos
   ============================================ */

.article-hero[data-topic="announcement"] {
  background: linear-gradient(160deg, #080808 0%, #0a1e2e 30%, #12082a 60%, #0a2818 100%);
}

/* Photo hero banner (graceful gradient fallback if the image is missing) */
.article-hero--photo {
  height: clamp(260px, 34vw, 420px);
  background-size: cover;
  background-position: center 25%;
  background-repeat: no-repeat;
}

/* Inline article figures (photos with captions) */
.article-figure {
  margin: 2.5rem 0;
}

.article-figure__media {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated) center / cover no-repeat;
}

.article-figure figcaption {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-dim);
  text-align: center;
}

/* Announcement card on the blog landing page */
.blog-landing__card-hero--announcement {
  background: linear-gradient(135deg, #0a1e2e 0%, #12082a 50%, #0a2818 100%);
}

.blog-landing__card-hero--announcement::before {
  border-color: rgba(0, 229, 160, 0.15);
}

/* Founder cards (press release bios: headshot + quote + bio) */
.founder-card {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  margin: 2.5rem 0;
}

.founder-card__photo {
  flex-shrink: 0;
  width: 128px;
  height: 128px;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated) center / cover no-repeat;
  background-position: center 22%;
}

.founder-card__content {
  flex: 1;
  min-width: 0;
}

.founder-card__content h3 {
  margin-top: 0 !important;
  margin-bottom: 0.5rem;
}

.founder-card__quote {
  font-size: 1.0625rem !important;
  font-style: italic;
  color: var(--color-text) !important;
  border-left: 2px solid var(--color-accent);
  padding-left: 1rem;
  margin: 0 0 1rem !important;
}

.founder-card__content p:last-child {
  margin-bottom: 0 !important;
}

@media (max-width: 640px) {
  .founder-card {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .founder-card__photo {
    width: 96px;
    height: 96px;
  }
}