/* ========================================
   LV&C · &+ Article page
   ======================================== */

.art-shell {
  background: var(--white);
  padding-top: var(--nav-h);
}

/* ─── Hero ─── */
.art-hero {
  padding: 80px 0 60px;
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
}
.art-hero-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 48px;
}
.art-breadcrumb {
  font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--text-lighter); font-weight: 600;
  margin-bottom: 32px;
  display: flex; gap: 10px; align-items: center;
}
.art-breadcrumb a { color: inherit; transition: color 0.2s; }
.art-breadcrumb a:hover { color: var(--gold); }
.art-breadcrumb .sep { opacity: 0.4; }
.art-cluster {
  font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.22em;
  color: var(--gold); font-weight: 600;
  margin-bottom: 22px;
  display: inline-flex; align-items: center; gap: 14px;
}
.art-cluster::before { content: ''; width: 28px; height: 1px; background: var(--gold); }
.art-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  font-weight: 400; line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--navy);
  margin-bottom: 32px;
}
.art-hero h1 em { font-style: italic; color: var(--gold); }
.art-meta {
  display: flex; gap: 24px; flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--text-light);
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
}
.art-meta .item { display: flex; flex-direction: column; gap: 4px; }
.art-meta .item .l { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--text-lighter); font-weight: 600; }
.art-meta .item .v { color: var(--text); font-weight: 500; }

/* ─── Lead image (charcoal B&W) ─── */
.art-lead-img {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 48px 0;
}
.art-lead-img .img-bw {
  aspect-ratio: 16/8;
  width: 100%;
  border-radius: 2px;
  position: relative;
  background-color: #1B1C1F;
  filter: grayscale(1) brightness(0.9) contrast(1.04);
}
.art-lead-img .img-bw::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(27,28,31,0.06) 0%, rgba(27,28,31,0.30) 100%);
  mix-blend-mode: multiply;
  border-radius: 2px;
}

/* ─── Body ─── */
.art-body {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 48px 96px;
}
.art-lead {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text);
  line-height: 1.5;
  font-weight: 400;
  margin-bottom: 40px;
  letter-spacing: -0.005em;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-light);
}
.art-body h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.005em;
  margin: 56px 0 24px;
}
.art-body h2 em { font-style: italic; color: var(--gold); }
.art-body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--navy);
  line-height: 1.3;
  margin: 36px 0 16px;
}
.art-body p {
  font-size: 1.04rem;
  color: var(--text);
  line-height: 1.78;
  font-weight: 300;
  margin-bottom: 22px;
}
.art-body p strong { color: var(--navy); font-weight: 600; }
.art-body a {
  color: var(--gold);
  border-bottom: 1px solid var(--gold-border);
  transition: 0.2s;
}
.art-body a:hover { border-bottom-color: var(--gold); }

.art-body ul, .art-body ol {
  margin: 0 0 22px 22px;
  padding: 0;
}
.art-body li {
  font-size: 1.02rem;
  color: var(--text);
  line-height: 1.78;
  font-weight: 300;
  margin-bottom: 10px;
}
.art-body li strong { color: var(--navy); font-weight: 600; }

.art-body blockquote, .callout {
  margin: 32px 0;
  padding: 24px 28px;
  background: var(--bg-warm);
  border-left: 3px solid var(--gold);
  border-radius: 2px;
}
.art-body blockquote p, .callout p {
  font-size: 0.96rem;
  color: var(--text);
  line-height: 1.7;
  font-weight: 400;
  margin: 0;
}
.callout .callout-label {
  font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--gold); font-weight: 600; margin-bottom: 10px;
  display: block;
}

/* Numerical example block */
.example {
  margin: 32px 0;
  padding: 28px 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 2px;
}
.example h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--navy);
  font-weight: 500;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
  display: flex; justify-content: space-between; align-items: baseline;
}
.example h4 .who {
  font-size: 0.7rem;
  color: var(--gold);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.04em;
}
.example p { font-size: 0.95rem; line-height: 1.7; margin-bottom: 12px; }
.example dl { display: grid; grid-template-columns: 1fr auto; gap: 8px 24px; font-size: 0.92rem; padding: 8px 0; }
.example dt { color: var(--text-light); }
.example dd { color: var(--text); font-variant-numeric: tabular-nums; text-align: right; font-weight: 500; }
.example .result {
  margin-top: 14px; padding-top: 14px;
  border-top: 1px solid var(--border-light);
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--gold);
}

/* Table */
.art-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 0.92rem;
}
.art-body th {
  background: var(--bg-warm);
  text-align: left;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-light);
  font-weight: 600;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.art-body td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
  vertical-align: top;
}
.art-body td.euro, .art-body th.euro { text-align: right; font-variant-numeric: tabular-nums; }

/* Soft CTA */
.art-cta {
  margin: 64px 0 0;
  padding: 40px 36px;
  background: var(--navy);
  color: #fff;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}
.art-cta::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.art-cta p {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: #fff;
  font-weight: 400;
  line-height: 1.4;
  margin-bottom: 24px;
  letter-spacing: -0.005em;
}
.art-cta p em { font-style: italic; color: var(--gold-hover); }
.art-cta .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.art-cta .actions a.btn-gold { background: var(--gold); color: #fff; }
.art-cta .actions a.btn-ghost { border-color: rgba(255,255,255,0.3); color: rgba(255,255,255,0.85); background: transparent; }
.art-cta .actions a.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ─── Related articles ─── */
.art-related {
  background: var(--bg);
  padding: 80px 0;
  border-top: 1px solid var(--border-light);
}
.art-related-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 48px;
}
.art-related-head {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 28px;
  display: inline-flex; align-items: center; gap: 14px;
}
.art-related-head::before { content: ''; width: 28px; height: 1px; background: var(--gold); }
.art-related-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.art-related-card {
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  padding: 28px;
  transition: 0.25s;
  border-top: 2px solid var(--navy);
}
.art-related-card:hover {
  border-top-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(20,20,20,0.04);
}
.art-related-card .cat {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 12px;
}
.art-related-card h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--navy);
  font-weight: 400;
  line-height: 1.28;
  margin-bottom: 12px;
  transition: color 0.2s;
}
.art-related-card:hover h4 { color: var(--gold); }
.art-related-card p {
  font-size: 0.84rem;
  color: var(--text-light);
  line-height: 1.65;
  font-weight: 300;
  flex: 1;
}
.art-related-card .read {
  font-size: 0.74rem;
  color: var(--text-light);
  margin-top: 14px;
}

/* Reading progress */
.art-progress {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  height: 2px;
  background: transparent;
  z-index: 50;
}
.art-progress .bar {
  height: 100%;
  background: var(--gold);
  width: 0%;
  transition: width 0.1s;
}

@media (max-width: 1024px) {
  .art-related-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .art-hero, .art-body { padding-left: var(--pad-x); padding-right: var(--pad-x); }
  .art-lead-img { padding: 32px var(--pad-x) 0; }
  .art-related-inner { padding: 0 var(--pad-x); }
  .art-related-row { grid-template-columns: 1fr; }
  .example { padding: 22px; }
}
@media (max-width: 600px) {
  .art-meta { gap: 16px; }
  .art-cta { padding: 32px 24px; }
  .art-cta .actions { flex-direction: column; }
  .art-cta .actions .btn { width: 100%; justify-content: center; }
  .art-body table { font-size: 0.84rem; }
  .art-body th, .art-body td { padding: 10px 8px; }
  .example dl { grid-template-columns: 1fr auto; }
}