/* =============================================================
   Journal — index + post layouts
   ============================================================= */

/* Page head -------------------------------------------------- */
.journal-head {
  padding: 140px 0 clamp(40px, 5vw, 72px);
  border-bottom: 1px solid var(--border);
}
.jh-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
}
.journal-head h1 {
  font-size: clamp(40px, 6.5vw, 96px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.96;
  margin-top: 20px;
}
.jh-lede {
  font-size: clamp(16px, 1.25vw, 18px);
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 40ch;
}

/* Category bar ----------------------------------------------- */
.cat-bar {
  position: sticky;
  top: 64px;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.cb-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0;
}
.cat-chip {
  padding: 10px 18px;
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.cat-chip:hover { color: var(--ink); border-color: var(--ink-3); }
.cat-chip.is-active {
  background: var(--yellow);
  color: var(--carbon);
  border-color: var(--yellow);
}

/* Featured post --------------------------------------------- */
.featured {
  padding: clamp(40px, 6vw, 80px) 0;
}
.feat-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  color: var(--ink);
}
.feat-photo {
  display: block;
  width: 100%;
  aspect-ratio: 5 / 4;
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  transition: transform 0.4s var(--ease);
  object-fit: cover;
  object-position: center;
}
.feat-card:hover .feat-photo { transform: scale(1.01); }

.feat-tagline,
.post-tagline {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace, var(--body);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 22px;
}
.feat-cat,
.post-cat {
  color: var(--yellow);
  font-weight: 600;
}
.dot-sep {
  color: var(--ink-4);
}

.feat-title {
  font-size: clamp(28px, 3.8vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--ink);
  transition: color 0.2s var(--ease);
  text-wrap: balance;
}
.feat-card:hover .feat-title { color: var(--yellow); }

.feat-desc {
  font-size: clamp(15px, 1.2vw, 18px);
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 48ch;
  margin-bottom: 32px;
}
.feat-cta,
.post-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--yellow);
  padding-bottom: 4px;
  border-bottom: 1.5px solid var(--yellow);
  transition: gap 0.2s var(--ease);
}
.feat-card:hover .feat-cta { gap: 14px; }

/* Post grid ------------------------------------------------- */
.post-grid-section {
  padding: clamp(40px, 5vw, 80px) 0 var(--section-y);
  border-top: 1px solid var(--border-soft);
}
.grid-head {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 600;
  color: var(--ink-3);
  letter-spacing: -0.015em;
  margin-bottom: 40px;
}
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 3vw, 48px);
}
.post-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  color: var(--ink);
  transition: transform 0.3s var(--ease);
}
.post-card:hover { transform: translateY(-4px); }

.post-img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  transition: border-color 0.3s var(--ease);
}
.post-card:hover .post-img { border-color: color-mix(in srgb, var(--yellow) 40%, transparent); }

.post-meta { display: flex; flex-direction: column; gap: 0; }
.post-tagline { margin-bottom: 14px; font-size: 10px; }
.post-title {
  font-size: clamp(20px, 1.8vw, 24px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--ink);
  transition: color 0.2s var(--ease);
  text-wrap: balance;
}
.post-card:hover .post-title { color: var(--yellow); }
.post-desc {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.55;
  margin-bottom: 18px;
}
.post-cta {
  font-size: 11px;
  letter-spacing: 0.06em;
  border-bottom-width: 1px;
}

/* Subscribe ------------------------------------------------- */
.subscribe {
  background: var(--surface-1);
  border-top: 1px solid var(--border);
  padding: clamp(56px, 7vw, 96px) 0;
}
.sub-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
.sub-inner h3 {
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 18px 0 12px;
  line-height: 1.05;
}
.sub-inner p {
  font-size: 15px;
  color: var(--ink-3);
}
.sub-form {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.sub-form input {
  flex: 1;
  padding: 18px 20px;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  color: var(--ink);
  font-family: var(--display);
  font-size: 15px;
  border-radius: 999px;
  outline: none;
  transition: border-color 0.2s var(--ease);
}
.sub-form input:focus { border-color: var(--yellow); }
.sub-form input::placeholder { color: var(--ink-4); }
.sub-form .btn { padding: 18px 28px; }

.sub-status {
  margin-top: 14px;
  font-family: var(--display);
  font-size: 13.5px;
  padding: 12px 16px;
  border-radius: 8px;
  line-height: 1.45;
}
.sub-status.is-success {
  background: color-mix(in srgb, var(--yellow) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--yellow) 40%, transparent);
  color: var(--yellow);
}
.sub-status.is-error {
  background: color-mix(in srgb, #E55 14%, transparent);
  border: 1px solid color-mix(in srgb, #E55 50%, transparent);
  color: #FFB3B3;
}

/* =============================================================
   Post page (article layout)
   ============================================================= */
.post-page {
  padding: 140px 0 clamp(60px, 6vw, 100px);
}
.post-page .crumbs {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 32px;
}
.post-page .crumbs a {
  color: var(--ink-3);
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.post-page .crumbs a:hover { color: var(--yellow); border-color: var(--yellow); }

.post-hero {
  max-width: 880px;
  margin: 0 auto;
}
.post-hero h1 {
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 24px 0 32px;
  text-wrap: balance;
}
.post-hero .post-tagline { font-size: 12px; }
.post-hero .author-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  margin-top: 36px;
}
.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface-3);
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-weight: 700;
  font-size: 14px;
  color: var(--yellow);
}
.author-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
}
.author-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

.post-cover {
  max-width: 1100px;
  margin: 48px auto;
  aspect-ratio: 21 / 9;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: var(--surface-2);
  display: block;
  width: calc(100% - 2 * var(--gutter));
  object-fit: cover;
  object-position: center;
}

.prose {
  max-width: 720px;
  margin: 0 auto;
  font-family: var(--body);
  color: var(--ink-2);
  font-size: 18px;
  line-height: 1.7;
}
.prose > * + * { margin-top: 1.2em; }
.prose h2 {
  font-family: var(--display);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-top: 2em;
  line-height: 1.15;
}
.prose h3 {
  font-family: var(--display);
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 600;
  color: var(--ink);
  margin-top: 1.6em;
  letter-spacing: -0.01em;
}
.prose p { color: var(--ink-2); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose blockquote {
  border-left: 2px solid var(--yellow);
  padding: 8px 0 8px 24px;
  margin: 2em 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(20px, 1.8vw, 24px);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.015em;
}
.prose blockquote cite {
  display: block;
  margin-top: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-style: normal;
  font-weight: 400;
}
.prose ul, .prose ol {
  padding-left: 24px;
}
.prose li + li { margin-top: 8px; }
.prose hr {
  border: none;
  border-top: 1px solid var(--border-soft);
  margin: 3em 0;
}
.prose a {
  color: var(--yellow);
  border-bottom: 1px solid color-mix(in srgb, var(--yellow) 40%, transparent);
  transition: border-color 0.2s;
}
.prose a:hover { border-color: var(--yellow); }
.prose figure {
  margin: 2em 0;
}
.prose figure img,
.prose figure image-slot {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  display: block;
}
.prose figcaption {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 10px;
  text-align: center;
}

.post-foot {
  max-width: 720px;
  margin: 64px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  gap: 32px;
}
.post-foot a {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}
.post-foot a:hover { color: var(--yellow); }

/* Responsive ------------------------------------------------ */
@media (max-width: 960px) {
  .jh-grid { grid-template-columns: 1fr; gap: 24px; }
  .feat-card { grid-template-columns: 1fr; gap: 28px; }
  .post-grid { grid-template-columns: 1fr; gap: 36px; }
  .sub-inner { grid-template-columns: 1fr; gap: 24px; }
  .sub-form { flex-direction: column; }
  .sub-form input, .sub-form .btn { width: 100%; }
  .cat-bar { top: 64px; }
}

@media (max-width: 540px) {
  .feat-title { font-size: 26px; }
  .post-page h1 { font-size: 32px; }
  .prose { font-size: 16px; }
  .post-foot { flex-direction: column; gap: 12px; }
}