/* Article page styles — extends styles.css */

.article-hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(800px 320px at 80% 0%, rgba(0, 194, 168, 0.08), transparent 60%),
    radial-gradient(700px 320px at 0% 100%, rgba(59, 120, 189, 0.08), transparent 60%),
    var(--bg);
}
.article-hero .container { max-width: 880px; }
.crumbs {
  display: flex; gap: 8px; align-items: center;
  font-family: var(--font-mono); font-size: 0.78rem;
  letter-spacing: 0.06em; color: var(--ink-3);
  margin-bottom: 28px;
}
.crumbs a { color: var(--ink-3); border-bottom: 1px solid transparent; }
.crumbs a:hover { color: var(--ink); border-color: var(--accent); }
.crumbs .sep { opacity: 0.5; }

.article-meta-row {
  display: flex; flex-wrap: wrap; gap: 12px 20px;
  font-family: var(--font-mono); font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-3);
  margin-bottom: 22px;
}
.article-meta-row .cat {
  color: var(--accent-deep); font-weight: 500;
  padding: 4px 10px; border-radius: 999px;
  background: var(--accent-soft);
  letter-spacing: 0.08em;
}
.article-meta-row time { color: var(--ink-2); }

.article-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.025em;
  line-height: 1.08;
  text-wrap: balance;
  margin-bottom: 18px;
}
.article-hero .deck {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--ink-2);
  text-wrap: pretty;
  max-width: 60ch;
  line-height: 1.55;
}

.article-cover {
  margin: 40px auto 0;
  max-width: 1080px;
  height: clamp(220px, 32vw, 360px);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
}
.article-cover .label {
  position: absolute; left: 22px; bottom: 18px;
  font-family: var(--font-mono); font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.08em; text-transform: uppercase;
  background: rgba(6, 18, 38, 0.55);
  padding: 6px 12px; border-radius: 999px;
  backdrop-filter: blur(6px);
  z-index: 2;
}
.article-cover-img img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.article-cover-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(6, 18, 38, 0.5) 100%);
}

/* Photo cover — overrides tone pattern */
.article-cover--photo { background: #0b1d33; }
.article-cover--photo > img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.article-cover--photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6,18,38,0.15) 0%, transparent 40%, rgba(6,18,38,0.55) 100%);
  background-image: linear-gradient(180deg, rgba(6,18,38,0.15) 0%, transparent 40%, rgba(6,18,38,0.55) 100%) !important;
}

/* Tone variants for covers — match insight tones */
.article-cover[data-tone="a"] { background: linear-gradient(135deg, #0b1d33, #1d3a66); }
.article-cover[data-tone="a"]::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(0, 194, 168, 0.35), transparent 35%),
    radial-gradient(circle at 80% 70%, rgba(59, 120, 189, 0.4), transparent 40%),
    repeating-linear-gradient(45deg, transparent 0 24px, rgba(255, 255, 255, 0.04) 24px 25px);
}
.article-cover[data-tone="b"] { background: linear-gradient(135deg, #102a3a, #093658); }
.article-cover[data-tone="b"]::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 70% 30%, rgba(0, 194, 168, 0.35), transparent 40%),
    repeating-linear-gradient(0deg, transparent 0 18px, rgba(255, 255, 255, 0.05) 18px 19px);
}
.article-cover[data-tone="c"] { background: linear-gradient(135deg, #06384a, #0b1d33); }
.article-cover[data-tone="c"]::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 30% 80%, rgba(0, 194, 168, 0.4), transparent 40%),
    conic-gradient(from 90deg at 60% 40%, transparent 0deg, rgba(255, 255, 255, 0.05) 90deg, transparent 180deg);
}
.article-cover[data-tone="d"] { background: linear-gradient(135deg, #112742, #2a3a55); }
.article-cover[data-tone="d"]::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(0, 194, 168, 0.35), transparent 40%),
    repeating-radial-gradient(circle at 50% 50%, transparent 0 22px, rgba(255, 255, 255, 0.06) 22px 23px);
}

/* ============================ Body ============================ */
.article-body {
  padding: 64px 0 80px;
}
.article-body .container {
  max-width: 760px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.prose {
  font-size: 1.075rem;
  line-height: 1.75;
  color: var(--ink-2);
}
.prose > * + * { margin-top: 1.25em; }
.prose h2 {
  font-size: 1.65rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-top: 2.2em;
  margin-bottom: 0.4em;
  padding-top: 0.4em;
  border-top: 1px solid var(--line);
  position: relative;
}
.prose h2::before {
  content: ""; display: block;
  width: 32px; height: 2px;
  background: var(--accent);
  margin-bottom: 14px;
}
.prose h3 {
  font-size: 1.2rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-top: 1.8em;
  margin-bottom: 0.3em;
}
.prose p { color: var(--ink-2); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a {
  color: var(--ink); border-bottom: 1px solid var(--accent);
  transition: background 0.15s;
}
.prose a:hover { background: var(--accent-soft); }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin-bottom: 0.4em; }
.prose blockquote {
  margin: 2em 0;
  padding: 22px 28px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--ink);
  font-style: normal;
  text-wrap: pretty;
}
.prose blockquote p { color: var(--ink); }
.prose code {
  font-family: var(--font-mono); font-size: 0.9em;
  background: var(--bg-elev); border: 1px solid var(--line);
  padding: 2px 6px; border-radius: 4px;
}
.prose figure { margin: 2em 0; }
.prose figure .placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(135deg, var(--bg-elev) 0 14px, var(--bg) 14px 28px);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--ink-3); font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.08em;
  text-transform: uppercase;
}
.prose figcaption {
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--ink-3); margin-top: 10px;
  letter-spacing: 0.04em;
}
.prose table {
  width: 100%; border-collapse: collapse;
  font-size: 0.95rem;
  margin: 2em 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.prose th, .prose td {
  padding: 12px 16px; text-align: left;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  vertical-align: top;
}
.prose th:last-child, .prose td:last-child { border-right: 0; }
.prose th {
  background: var(--bg-elev);
  font-weight: 600; color: var(--ink);
  font-size: 0.85rem; text-transform: uppercase;
  letter-spacing: 0.06em;
}
.prose tbody tr:last-child td { border-bottom: 0; }
.prose tbody tr:nth-child(even) { background: color-mix(in srgb, var(--bg-elev) 50%, transparent); }

/* Pull-quote variant */
.prose .pullquote {
  margin: 2.2em 0;
  font-family: var(--font-sans);
  font-size: 1.5rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--ink);
  font-weight: 600;
  text-wrap: balance;
  padding-left: 28px;
  border-left: 3px solid var(--accent);
}

/* ============================ Author / footer card ============================ */
.article-end {
  margin-top: 72px;
  padding: 32px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.article-end .end-copy h3 {
  font-size: 1.2rem; margin-bottom: 6px;
}
.article-end .end-copy p {
  color: var(--ink-2); font-size: 0.95rem;
}
@media (max-width: 700px) {
  .article-end { grid-template-columns: 1fr; }
}

/* ============================ Related ============================ */
.related {
  padding: 64px 0 96px;
  background: var(--bg-elev);
  border-top: 1px solid var(--line);
}
.related .container { max-width: 1180px; }
.related h2 {
  font-size: 1.4rem; letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.related .kicker { display: block; margin-bottom: 8px; }
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
@media (max-width: 900px) { .related-grid { grid-template-columns: 1fr; } }
.related .insight { background: var(--bg); }