/* ===========================================
   KONTEL — Artigo individual
   Estilos espec\u00edficos para p\u00e1ginas de Insights
   =========================================== */

/* ----------- Breadcrumb ----------- */

.article-breadcrumb {
  border-bottom: 1px solid var(--rule);
  padding: 18px 0;
  background: var(--paper-deep);
}
.article-breadcrumb .container {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.article-breadcrumb a { color: var(--muted); transition: color 0.2s; }
.article-breadcrumb a:hover { color: var(--navy); }
.article-breadcrumb span { color: var(--rule-strong); }
.article-breadcrumb .current { color: var(--bronze-deep); }

/* ----------- Article head ----------- */

.article-head {
  padding: clamp(64px, 8vw, 120px) 0 clamp(40px, 5vw, 64px);
}
.article-eyebrow {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.article-date {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.article-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(38px, 5.8vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--navy);
  margin-bottom: 36px;
  max-width: 22ch;
  text-wrap: balance;
}
.article-title em { font-style: italic; color: var(--bronze-deep); }
.article-dek {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 1.9vw, 26px);
  line-height: 1.45;
  color: var(--ink);
  max-width: 56ch;
  margin-bottom: 56px;
}

.article-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
}
.article-meta-item { display: flex; flex-direction: column; gap: 4px; }
.article-meta-item .k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.article-meta-item .v {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--navy);
}

/* ----------- Sum\u00e1rio ----------- */

.article-toc-wrap {
  background: var(--paper-deep);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 48px 0;
}
.article-toc-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}
.article-toc ol {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}
.article-toc li {
  border-top: 1px solid var(--rule);
}
.article-toc li:nth-child(odd) { border-right: 1px solid var(--rule); padding-right: 24px; }
.article-toc li:nth-child(even) { padding-left: 24px; }
.article-toc a {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 18px 0;
  font-family: var(--serif);
  font-size: 19px;
  color: var(--navy);
  letter-spacing: -0.005em;
  transition: color 0.2s, padding 0.25s ease;
}
.article-toc a:hover { color: var(--bronze-deep); }
.article-toc a:hover .num { color: var(--bronze); }
.article-toc .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  flex-shrink: 0;
  width: 28px;
  transition: color 0.2s;
}

/* ----------- Article body ----------- */

.article-body { padding: clamp(40px, 5vw, 80px) 0; }
.article-body .container { max-width: 1080px; }

.article-section {
  padding: clamp(48px, 5vw, 80px) 0;
  border-bottom: 1px solid var(--rule);
}
.article-section:last-child { border-bottom: 0; }
.article-section-head {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 36px;
}
.article-section-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  color: var(--bronze);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.article-section h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.018em;
  color: var(--navy);
  max-width: 22ch;
}

.article-h3 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.2;
  color: var(--navy);
  letter-spacing: -0.01em;
  margin: 48px 0 20px;
}

.article-section p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 18px;
  max-width: 68ch;
}
.article-section p.article-lead {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(22px, 1.9vw, 26px);
  color: var(--navy);
  line-height: 1.45;
  margin-bottom: 32px;
}
.article-section p strong { color: var(--ink); font-weight: 500; }
.article-section p em { font-style: italic; }

/* Notes list */
.notes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0 32px;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.notes-list li {
  padding-left: 28px;
  position: relative;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
}
.notes-list li::before {
  content: "\2014";
  position: absolute;
  left: 0;
  color: var(--bronze);
  font-family: var(--serif);
}
.notes-list strong { color: var(--ink); font-weight: 500; }
.notes-list em { font-style: italic; color: var(--navy); }

/* Callouts */
.callout {
  margin: 32px 0;
  padding: 24px 28px;
  background: var(--paper-deep);
  border-left: 3px solid var(--bronze);
}
.callout.subtle { background: var(--paper-warm); border-left-color: var(--rule-strong); }
.callout.warn { background: oklch(0.96 0.025 75); border-left-color: var(--bronze-deep); }
.callout-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze-deep);
  margin-bottom: 8px;
}
.callout p {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.6;
}

/* Quote */
.article-quote {
  margin: 40px 0;
  padding: 32px 0 32px 28px;
  border-left: 1px solid var(--bronze);
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.4;
  color: var(--navy);
  max-width: 50ch;
}
.article-quote.big {
  font-size: clamp(26px, 2.6vw, 36px);
  border-left-width: 2px;
  padding-left: 36px;
}

/* ----------- Sect 01 changes grid ----------- */

.changes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 32px 0;
}
.change-card {
  background: var(--paper);
  padding: 28px 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.change-card.highlight { background: var(--paper-warm); }
.change-card-head { display: flex; flex-direction: column; gap: 10px; }
.change-card-tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid;
  align-self: flex-start;
  border-radius: 2px;
}
.tag-high { color: var(--bronze-deep); border-color: var(--bronze); background: color-mix(in srgb, var(--bronze-soft) 25%, transparent); }
.tag-low { color: var(--muted); border-color: var(--rule-strong); }
.tag-none { color: var(--ink-soft); border-color: var(--rule); }
.change-card h3 {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.2;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.change-card p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  max-width: none;
}

/* ----------- Sect 02 categories ----------- */

.categories-list {
  list-style: none;
  counter-reset: cat;
  display: flex;
  flex-direction: column;
  margin: 24px 0 40px;
  border-top: 1px solid var(--rule-strong);
}
.categories-list li {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.cat-tag {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.categories-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: none;
}

.subtotals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 24px 0;
}
.subtotal-card {
  border-top: 2px solid var(--navy);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.subtotal-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--bronze-deep);
}
.subtotal-card h4 {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.25;
  color: var(--navy);
  font-weight: 400;
  letter-spacing: -0.005em;
}
.subtotal-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  max-width: none;
}

/* ----------- Sect 03 DRE compare ----------- */

.dre-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 40px 0;
}
.dre-col {
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  padding: 24px 26px;
}
.dre-col.proposed { background: var(--paper-warm); border-color: var(--bronze-soft); }
.dre-col-label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--rule-strong);
}
.dre-col-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--navy);
  color: var(--paper);
  padding: 4px 10px;
  border-radius: 2px;
}
.dre-col-tag.bronze { background: var(--bronze-deep); }
.dre-col-label span:last-child {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.dre-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.4;
}
.dre-table td {
  padding: 6px 8px 6px 0;
  color: var(--ink-soft);
  vertical-align: top;
}
.dre-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: var(--mono);
  color: var(--ink);
  white-space: nowrap;
  padding-right: 0;
}
.dre-table td.num.neg { color: oklch(0.42 0.04 30); }
.dre-table tr.group td {
  padding-top: 12px;
  font-style: italic;
  color: var(--muted);
  font-size: 12px;
}
.dre-table tr.subtotal td {
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
  padding-top: 8px;
  padding-bottom: 8px;
  font-weight: 500;
  color: var(--navy);
}
.dre-table tr.subtotal.opt td { border-top-color: var(--rule); }
.dre-table tr.subtotal.mand td {
  border-top: 2px solid var(--bronze);
  background: color-mix(in srgb, var(--bronze-soft) 20%, transparent);
}
.dre-table tr.total td {
  border-top: 2px solid var(--navy);
  padding-top: 10px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 400;
  color: var(--navy);
}
.dre-table tr.total td.num {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
}
.dre-table tr.total.mand td { background: color-mix(in srgb, var(--bronze-soft) 30%, transparent); }

.dre-table tr.cat-divider td {
  padding-top: 14px;
  padding-bottom: 4px;
}
.cat-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze-deep);
  display: inline-block;
  padding: 3px 8px;
  background: color-mix(in srgb, var(--bronze-soft) 30%, transparent);
}

.opt-tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-left: 4px;
  font-weight: 400;
}
.opt-tag.mand { color: var(--bronze-deep); }

.dre-legend {
  display: flex;
  gap: 24px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.dre-legend strong { color: var(--bronze-deep); }

/* ----------- Sect 04 MPM ----------- */

.exigencias {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 24px 0 32px;
}
.exigencia {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 26px;
  border: 1px solid var(--rule);
  background: var(--paper);
}
.exigencia-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 32px;
  color: var(--bronze);
  line-height: 1;
}
.exigencia h4 {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.25;
  color: var(--navy);
  font-weight: 400;
  letter-spacing: -0.005em;
}
.exigencia p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
  max-width: none;
}

/* ----------- Sect 05 MPM table ----------- */

.mpm-table-wrap {
  margin: 32px 0;
  overflow-x: auto;
}
.mpm-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 13px;
}
.mpm-table thead th {
  text-align: right;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 12px 12px;
  border-bottom: 1px solid var(--rule-strong);
  font-weight: 500;
}
.mpm-table thead th:first-child { text-align: left; }
.mpm-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  vertical-align: top;
}
.mpm-table tbody td.num {
  text-align: right;
  font-family: var(--mono);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.mpm-table tbody td.num.neg { color: oklch(0.42 0.04 30); }
.mpm-table tr.subtotal td {
  background: color-mix(in srgb, var(--bronze-soft) 25%, transparent);
  font-weight: 500;
  color: var(--navy);
  border-top: 2px solid var(--bronze);
}
.mpm-table tr.total td {
  background: var(--navy);
  color: var(--paper);
  border-bottom: 0;
}
.mpm-table tr.total td.num { color: var(--paper); }
.mpm-table tr.total td.num.neg { color: var(--bronze-soft); }

/* ----------- Sect 06 steps ----------- */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 32px 0;
}
.step {
  background: var(--paper);
  padding: 28px 30px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.step-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 36px;
  color: var(--bronze);
  line-height: 1;
  letter-spacing: -0.02em;
}
.step h4 {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.2;
  color: var(--navy);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.step p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
  max-width: none;
}

/* ----------- Author bio ----------- */

.article-author {
  background: var(--paper-deep);
  border-top: 1px solid var(--rule);
  padding: clamp(56px, 7vw, 96px) 0;
}
.author-grid {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.author-photo {
  aspect-ratio: 3/4;
  overflow: hidden;
  max-width: 280px;
}
.author-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  filter: saturate(0.82) contrast(1.04);
}
.author-body { display: flex; flex-direction: column; gap: 12px; }
.author-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.author-name {
  font-family: var(--serif);
  font-size: clamp(32px, 3.6vw, 48px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--navy);
}
.author-role {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bronze-deep);
  margin-bottom: 8px;
}
.author-body p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 8px;
}
.author-links {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* ----------- Next ----------- */

.article-next {
  padding: clamp(48px, 6vw, 80px) 0;
}
.article-next-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.article-next-card {
  background: var(--paper);
  padding: 36px 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.25s;
}
.article-next-card.primary { background: var(--navy); }
.article-next-card.primary .article-next-label,
.article-next-card.primary .article-next-title { color: var(--paper); }
.article-next-card:hover { background: var(--paper-deep); }
.article-next-card.primary:hover { background: var(--navy-deep); }
.article-next-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.article-next-title {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--navy);
}

/* ----------- Responsive ----------- */

@media (max-width: 1024px) {
  .article-meta { grid-template-columns: repeat(2, 1fr); }
  .article-toc ol { grid-template-columns: 1fr; }
  .article-toc li:nth-child(odd) { border-right: 0; padding-right: 0; }
  .article-toc li:nth-child(even) { padding-left: 0; }
  .changes-grid { grid-template-columns: 1fr; }
  .subtotals { grid-template-columns: 1fr; }
  .dre-compare { grid-template-columns: 1fr; }
  .exigencias { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .author-grid { grid-template-columns: 1fr; }
  .author-photo { max-width: 220px; }
  .article-next-grid { grid-template-columns: 1fr; }
  .categories-list li { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 640px) {
  .article-meta { grid-template-columns: 1fr; }
  .article-section-head { flex-direction: column; gap: 8px; }
}