/* ─── AdamBlockAI Blog — Shared Styles ─────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg:        #050505;
  --color-surface:   #0d0d0d;
  --color-border:    rgba(255,255,255,0.07);
  --color-text:      #e4e4e7;
  --color-muted:     #71717a;
  --color-accent:    #6366f1;
  --color-accent-2:  #a855f7;
  --font-display:    'Cinzel', Georgia, serif;
  --font-body:       'Inter', system-ui, sans-serif;
  --max-w:           720px;
  --max-w-wide:      1100px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ─── Nav ──────────────────────────────────────────────────────────────── */

.blog-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5,5,5,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 1.1rem 2rem;
}

.blog-nav-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.blog-nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  transition: opacity 0.2s;
}
.blog-nav-logo:hover { opacity: 0.7; }

.blog-nav-logo svg { flex-shrink: 0; }

.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.blog-nav-links a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.blog-nav-links a:hover,
.blog-nav-links a.is-active { color: var(--color-text); }

/* ─── Hero / Page Header ───────────────────────────────────────────────── */

.blog-page-header {
  padding: 5rem 2rem 4rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.blog-page-eyebrow {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.blog-page-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.1;
  background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.blog-page-sub {
  font-size: 0.95rem;
  color: var(--color-muted);
  max-width: 500px;
  margin: 0 auto;
}

/* ─── Post Grid (listing page) ─────────────────────────────────────────── */

.blog-grid-wrap {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: border-color 0.25s ease, transform 0.25s ease;
  position: relative;
  overflow: hidden;
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.blog-card:hover { border-color: rgba(255,255,255,0.15); transform: translateY(-2px); }
.blog-card:hover::before { transform: scaleX(1); }

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-family: var(--font-display);
}

.blog-card-tag {
  color: var(--color-accent);
}

.blog-card-dot { color: var(--color-border); }

.blog-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.35;
  color: var(--color-text);
}

.blog-card-excerpt {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.7;
  flex: 1;
}

.blog-card-read {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-family: var(--font-display);
  margin-top: 0.5rem;
}

/* ─── Article Layout ───────────────────────────────────────────────────── */

.article-header {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 2rem 2.5rem;
}

.article-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-family: var(--font-display);
  margin-bottom: 1.5rem;
}

.article-eyebrow-tag { color: var(--color-accent); }

.article-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.15;
  background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.25rem;
}

.article-subtitle {
  font-size: 1.1rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.article-byline {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.article-byline-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  filter: grayscale(20%);
}

.article-byline-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.article-byline-name {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text);
}

.article-byline-date {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.article-byline-sep { color: var(--color-border); }

/* ─── Article Body ──────────────────────────────────────────────────────── */

.article-body {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 2rem 5rem;
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  margin: 3rem 0 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--color-border);
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin: 2rem 0 0.75rem;
  text-transform: uppercase;
}

.article-body p {
  margin-bottom: 1.4rem;
  font-size: 0.97rem;
  color: var(--color-text);
  line-height: 1.85;
}

.article-body p:last-child { margin-bottom: 0; }

.article-body strong {
  color: #fff;
  font-weight: 600;
}

.article-body em {
  color: var(--color-muted);
  font-style: italic;
}

.article-body a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: rgba(99,102,241,0.35);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}
.article-body a:hover { text-decoration-color: var(--color-accent); }

.article-body ul, .article-body ol {
  margin: 0 0 1.4rem 1.5rem;
}

.article-body li {
  font-size: 0.97rem;
  color: var(--color-text);
  line-height: 1.85;
  margin-bottom: 0.4rem;
}

/* Pull quote */
.article-pullquote {
  margin: 2.5rem 0;
  padding: 1.75rem 2rem;
  border-left: 3px solid var(--color-accent);
  background: rgba(99,102,241,0.05);
}

.article-pullquote p {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-style: italic;
  line-height: 1.65;
  color: #c4c4cc;
  margin: 0;
}

/* Callout box */
.article-callout {
  margin: 2.5rem 0;
  padding: 1.5rem 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 2px;
}

.article-callout-label {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.article-callout p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin: 0;
}

/* ─── Breadcrumb ────────────────────────────────────────────────────────── */

.article-breadcrumb {
  background: transparent;
  border-bottom: 1px solid var(--color-border);
}

.article-breadcrumb-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.65rem 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-display);
  color: var(--color-muted);
}

.article-breadcrumb-inner a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.article-breadcrumb-inner a:hover { color: var(--color-text); }

.article-breadcrumb-inner span[aria-hidden] { color: var(--color-border); }

@media (max-width: 640px) {
  .article-breadcrumb-inner { padding-left: 1.25rem; padding-right: 1.25rem; }
}

/* ─── Article Images ────────────────────────────────────────────────────── */

.article-figure {
  margin: 2.5rem -2rem;
}

.article-figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.article-figure figcaption {
  padding: 0.75rem 2rem 0;
  font-size: 0.72rem;
  color: var(--color-muted);
  letter-spacing: 0.08em;
  font-family: var(--font-display);
  text-transform: uppercase;
}

.article-figure--hero {
  margin: 0 0 2.5rem;
}

.article-figure--hero img {
  max-height: 520px;
  object-fit: cover;
  object-position: center;
}

.article-figure--inline {
  margin: 2rem 0;
}

.article-figure--inline img {
  max-height: 400px;
}

.article-figure--pair {
  margin: 2.5rem -2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
}

.article-figure--pair img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.article-figure--pair figcaption {
  grid-column: 1 / -1;
}

@media (max-width: 640px) {
  .article-figure { margin: 2rem -1.25rem; }
  .article-figure figcaption { padding-left: 1.25rem; padding-right: 1.25rem; }
  .article-figure--pair { grid-template-columns: 1fr; }
  .article-figure--pair img { height: 220px; }
}

/* ─── Post Nav (prev/next + back) ──────────────────────────────────────── */

.article-footer {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 2rem 5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.article-footer-back {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.article-footer-back:hover { color: var(--color-text); }

.article-footer-nav {
  display: flex;
  gap: 1.5rem;
}

.article-footer-link {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
.article-footer-link:hover { opacity: 0.7; }

/* ─── Site Footer ───────────────────────────────────────────────────────── */

.blog-site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem;
  text-align: center;
}

.blog-site-footer p {
  font-size: 0.7rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
}

/* ─── Lightbox ──────────────────────────────────────────────────────────── */

#lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

#lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

#lightbox-img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  display: block;
  box-shadow: 0 0 80px rgba(0, 0, 0, 0.8);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  transform: scale(0.96);
}

#lightbox.is-open #lightbox-img {
  transform: scale(1);
}

#lightbox-caption {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-align: center;
  max-width: 600px;
  margin: 0;
}

#lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

#lightbox-close:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.35);
}

/* ─── Hamburger Button ───────────────────────────────────────────────────── */

.blog-nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.blog-nav-hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}

.blog-nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.blog-nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.blog-nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ─── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .blog-nav { padding: 1rem 1.25rem; }

  .blog-nav-hamburger { display: flex; }

  .blog-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(5,5,5,0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 0 1rem;
    z-index: 99;
  }

  .blog-nav-links.is-open {
    display: flex;
  }

  .blog-nav-links li {
    width: 100%;
  }

  .blog-nav-links a {
    display: block;
    padding: 0.75rem 1.5rem;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
  }

  .blog-nav { position: sticky; }

  .blog-grid-wrap { padding: 2.5rem 1.25rem 4rem; }
  .article-header, .article-body, .article-footer { padding-left: 1.25rem; padding-right: 1.25rem; }
  .article-footer { flex-direction: column; align-items: flex-start; }
}