/* ═══════════════════════════════════════════════════════════════
   ARTICLE.CSS — Shared styles for research articles (EN + PT)
   Covers: research/*.html, pt/pesquisa/*.html, research-standards.html
   ═══════════════════════════════════════════════════════════════ */

/* ── BASE RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--sans);
  font-weight: 300;
  overflow-x: hidden;
  cursor: default;
  line-height: 1.7;
}

/* NOISE OVERLAY */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.4;
}

/* ── COMPLIANCE BANNER ── */
.compliance-banner {
  background: #2a0a15;
  color: var(--white);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 8px 48px;
  text-align: center;
  border-bottom: 1px solid rgba(219,38,108,0.3);
  position: sticky;
  top: 0;
  z-index: 1100;
}
.compliance-banner span { color: var(--pink); font-weight: 500; margin-left: 8px; }

/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(8,8,8,0.98);
  z-index: 100;
}
.nav-logo {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.nav-logo svg { color: var(--pink); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gray);
  text-decoration: none;
  transition: color .2s;
}
.nav-links a:hover { color: var(--pink); }
.nav-links a.active { color: var(--pink); }

/* ── CONTAINERS (EN + PT) ── */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 48px;
}
.article-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ── BREADCRUMB (EN) ── */
.breadcrumb {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--gray);
  padding: 24px 0 0;
}
.breadcrumb a { color: var(--gray); text-decoration: none; }
.breadcrumb a:hover { color: var(--pink); }
.bc-sep { margin: 0 8px; opacity: .4; }

/* ── BREADCRUMB (PT) ── */
.article-breadcrumb {
  padding: 24px 0 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gray);
}
.article-breadcrumb a { color: var(--gray); text-decoration: none; transition: color .2s; }
.article-breadcrumb a:hover { color: var(--pink); }
.article-breadcrumb .cluster-tag-bc {
  color: var(--pink-text);
  background: var(--pink-soft);
  padding: 2px 8px;
  border-radius: 2px;
  margin: 0 2px;
}

/* ── PAGE HEADER (EN) ── */
.page-header {
  padding: 80px 0 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 64px;
}
.page-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 24px;
}
.page-title {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 300;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 16px;
}
.page-title em {
  font-style: italic;
  color: var(--pink);
}
.page-subtitle {
  font-family: var(--sans);
  font-size: 15px;
  color: var(--gray);
  max-width: 640px;
  line-height: 1.7;
}

/* ── ARTICLE HEADER (PT) ── */
.article-header {
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
}
.article-category-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--pink-text);
  background: var(--pink-soft);
  padding: 5px 14px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 20px;
}
.article-header h1 {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 300;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 16px;
}
.article-header h1 em { font-style: italic; color: var(--pink); }
.article-subtitle {
  font-size: 16px;
  color: var(--gray);
  max-width: 640px;
  line-height: 1.7;
}

/* ── BYLINE ── */
.article-byline {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.byline-sep { margin: 0 8px; opacity: 0.4; color: var(--border2); }
.byline-reviewed {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--gray);
  margin-top: 4px;
}
.byline-reviewed strong { color: var(--pink-text); font-weight: 500; margin-right: 6px; }

/* ── UPDATE LOG ── */
.update-log {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--gray);
  margin-top: 12px;
  border: 1px solid var(--border);
  padding: 8px 14px;
  background: var(--surface);
}
.update-log summary {
  cursor: pointer;
  color: var(--gray2);
  list-style: none;
  user-select: none;
}
.update-log summary::-webkit-details-marker { display: none; }
.update-log .log-entries { margin-top: 8px; line-height: 1.8; color: var(--gray); }

/* ── TL;DR VERDICT (EN) ── */
.verdict {
  background: var(--deep);
  border: 1px solid var(--border2);
  border-left: 3px solid var(--pink);
  padding: 36px 40px;
  margin-bottom: 32px;
}
.verdict-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 16px;
}
.verdict p {
  font-size: 15px;
  color: #ccc;
  line-height: 1.85;
}
.verdict strong { color: var(--white); font-weight: 500; }

/* ── VERDICT (PT) — uses .verdict-tag instead of .verdict-label ── */
.verdict-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--pink-text);
  margin-bottom: 16px;
}

/* ── POST-VERDICT BRIDGE ── */
.post-verdict-bridge {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 64px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
}
.post-verdict-bridge a {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--pink-text);
  text-decoration: none;
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: border-color 0.2s, background 0.2s;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.post-verdict-bridge a:hover {
  border-color: var(--pink);
  background: var(--pink-soft);
}

/* ── ANVISA CALLOUT (PT) ── */
.anvisa-callout {
  background: rgba(255, 165, 0, 0.06);
  border: 1px solid rgba(255, 165, 0, 0.2);
  border-left: 3px solid #f0a030;
  padding: 24px 28px;
  margin-bottom: 32px;
}
.anvisa-callout strong { color: #f0a030; }
.anvisa-callout p { font-size: 13px; color: var(--gray2); line-height: 1.7; margin: 0; }

/* ── SECTION HEADINGS ── */
.section-heading {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 32px;
  line-height: 1.3;
}
.section-heading em { color: var(--pink); font-style: italic; }
.section-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* ── CONTENT BLOCKS (EN) ── */
.content-block {
  margin-bottom: 64px;
}
.content-block p {
  font-size: 15px;
  color: #bbb;
  line-height: 1.85;
  margin-bottom: 20px;
}
.content-block ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}
.content-block ul li {
  font-size: 15px;
  color: #bbb;
  line-height: 1.85;
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}
.content-block ul li::before {
  content: '\2014';
  position: absolute;
  left: 0;
  color: var(--pink);
  font-family: var(--mono);
}

/* ── ARTICLE BODY (PT) ── */
.article-body h2 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 300;
  color: var(--white);
  margin: 48px 0 16px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.article-body h2 em { color: var(--pink); font-style: italic; }
.article-body h3 {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 500;
  color: var(--white);
  margin: 32px 0 12px;
}
.article-body p {
  font-size: 15px;
  color: var(--gray2);
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 680px;
}
.article-body ul, .article-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
.article-body li {
  font-size: 14px;
  color: var(--gray2);
  line-height: 1.8;
  margin-bottom: 8px;
}
.article-body a { color: var(--pink-text); text-decoration: underline; text-underline-offset: 3px; transition: color .2s; }
.article-body a:hover { color: var(--pink); }
.article-body a:visited { color: #cc4d8a; }
.article-body a.btn-primary { color: #fff; text-decoration: none; }
.article-body a.btn-primary:visited { color: #fff; }

/* ── INLINE LINKS (EN — .container scope) ── */
.container a { color: var(--pink-text); text-decoration: none; text-underline-offset: 3px; transition: color .2s; }
.container a:hover { color: var(--pink); text-decoration: underline; }
.container a:visited { color: #cc4d8a; }
.container a.btn-primary { color: #fff; text-decoration: none; }
.container a.btn-primary:visited { color: #fff; }

/* ── INLINE LINKS (EN — .content-block & .verdict scope for some articles) ── */
.content-block a, .verdict a {
  color: var(--pink);
  text-decoration: underline;
  text-decoration-color: rgba(219,38,108,0.3);
  transition: text-decoration-color .2s;
}
.content-block a:hover, .verdict a:hover {
  text-decoration-color: var(--pink);
}

/* ── DATA TABLE (PT) ── */
.data-table-wrap { overflow-x: auto; margin: 24px 0 32px; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--pink-text);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 2px solid var(--pink);
  background: var(--surface);
  white-space: nowrap;
}
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--gray2);
  vertical-align: top;
}
.data-table tr:hover td { background: var(--pink-glow); }

/* ── SPECS TABLE (EN) ── */
.table-wrap {
  overflow-x: auto;
  margin-bottom: 64px;
  -webkit-overflow-scrolling: touch;
}
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 64px;
}
.specs-table thead th {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gray);
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border2);
  background: var(--deep);
  white-space: nowrap;
}
.specs-table thead th:first-child { color: var(--gray2); }
.specs-table thead th:nth-child(2) { color: var(--pink); }
.specs-table thead th:nth-child(3) { color: #facc15; }
.specs-table tbody td {
  font-size: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: #ccc;
  vertical-align: top;
}
.specs-table tbody td:first-child {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gray);
  white-space: nowrap;
  font-weight: 500;
}
.specs-table tbody tr:hover {
  background: var(--pink-glow);
}
.highlight-cell {
  color: var(--white) !important;
  font-weight: 400;
}
.highlight-row {
  background: var(--pink-soft) !important;
}
.highlight-row td {
  color: var(--white) !important;
}

/* ── COMPARISON GRID ── */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 64px;
}
.compound-card {
  background: var(--deep);
  border: 1px solid var(--border2);
  padding: 32px;
}
.compound-name {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 8px;
}
.compound-type {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 24px;
}
.pros-cons-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 12px;
  margin-top: 20px;
}
.pros-cons-label:first-of-type { margin-top: 0; }
.pros-list, .cons-list {
  list-style: none;
  padding: 0;
}
.pros-list li, .cons-list li {
  font-size: 14px;
  color: #bbb;
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  border-bottom: 1px solid var(--border);
}
.pros-list li:last-child, .cons-list li:last-child { border-bottom: none; }
.pros-list li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: #4ade80;
  font-family: var(--mono);
  font-weight: 500;
}
.cons-list li::before {
  content: '-';
  position: absolute;
  left: 2px;
  color: var(--pink);
  font-family: var(--mono);
  font-weight: 500;
}

/* ── COMPARISON TABLE ── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 64px;
  font-size: 13px;
}
.comparison-table thead th {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gray);
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border2);
  background: var(--deep);
  white-space: nowrap;
}
.comparison-table tbody td {
  font-size: 13px;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  color: #ccc;
  vertical-align: top;
}
.comparison-table tbody tr:hover {
  background: var(--pink-glow);
}
.comparison-table .drug-name {
  font-weight: 400;
  color: var(--white);
  white-space: nowrap;
}
.comparison-table .wl-figure {
  color: var(--pink);
  font-family: var(--mono);
  font-weight: 500;
  font-size: 14px;
}
.comparison-table .rank-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gray);
  text-align: center;
}

/* ── STATUS BADGES ── */
.status-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 2px;
  line-height: 1.4;
}
.badge-approved {
  background: rgba(34,197,94,0.15);
  color: #4ade80;
  border: 1px solid rgba(34,197,94,0.3);
}
.badge-filed {
  background: rgba(250,204,21,0.12);
  color: #facc15;
  border: 1px solid rgba(250,204,21,0.25);
}
.badge-phase3 {
  background: rgba(96,165,250,0.12);
  color: #60a5fa;
  border: 1px solid rgba(96,165,250,0.25);
}
.badge-phase2 {
  background: rgba(168,85,247,0.12);
  color: #a855f7;
  border: 1px solid rgba(168,85,247,0.25);
}

/* ── KEY TAKEAWAYS ── */
.takeaways {
  margin-bottom: 64px;
}
.takeaways ul {
  list-style: none;
  padding: 0;
}
.takeaways li {
  font-size: 14px;
  color: #bbb;
  padding: 10px 0 10px 20px;
  border-bottom: 1px solid var(--border);
  position: relative;
  line-height: 1.7;
}
.takeaways li:last-child { border-bottom: none; }
.takeaways li::before {
  content: '\2014';
  position: absolute;
  left: 0;
  color: var(--pink);
  font-family: var(--mono);
}

/* ── TIMELINE ── */
.timeline-list {
  list-style: none;
  padding: 0;
  margin-bottom: 64px;
}
.timeline-list li {
  font-size: 14px;
  color: #bbb;
  padding: 14px 0 14px 24px;
  border-bottom: 1px solid var(--border);
  position: relative;
  line-height: 1.7;
}
.timeline-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pink);
}
.timeline-list li:last-child { border-bottom: none; }
.timeline-date {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--pink);
  display: block;
  margin-bottom: 4px;
}

/* ── FAQ SECTION (EN — click-based) ── */
.faq-section {
  margin-bottom: 64px;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 12px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question::after {
  content: '+';
  font-family: var(--mono);
  font-size: 18px;
  color: var(--pink);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform .2s;
}
.faq-item.open .faq-question::after {
  content: '-';
}
.faq-answer {
  font-size: 14px;
  color: #aaa;
  line-height: 1.85;
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding-top: 4px;
}

/* ── FAQ SECTION (PT — details/summary-based) ── */
.faq-section h2 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 32px;
  border: none;
  padding: 0;
}
.faq-item summary {
  font-size: 15px;
  font-weight: 400;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--mono);
  font-size: 18px;
  color: var(--pink);
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] summary::after { content: '\2212'; }

/* ── CITATIONS ── */
.citations {
  background: var(--deep);
  border: 1px solid var(--border);
  padding: 32px;
  margin-bottom: 64px;
}
.citations-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 16px;
}
.citations ol {
  padding-left: 20px;
}
.citations li {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 8px;
}
.citations a {
  color: var(--gray);
  text-decoration: underline;
  text-decoration-color: var(--gray2);
  transition: color .2s;
}
.citations a:hover { color: var(--pink); }
.citations li em { color: var(--pink-text); font-style: italic; }

/* ── EDITORIAL STANDARDS / METHODOLOGY ── */
.methodology {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px 28px;
  margin: 48px 0 32px;
}
.methodology h3 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--pink-text);
  margin-bottom: 12px;
}
.methodology p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
}
.methodology a { color: var(--pink); text-decoration: none; }
.methodology a:hover { text-decoration: underline; }

/* ── ARTICLE FOOTNOTE ── */
.article-footnote {
  text-align: center;
  padding: 32px 0;
  margin-top: 32px;
  border-top: 1px solid var(--border);
}
.article-footnote p { font-size: 14px; color: var(--gray); }
.article-footnote a { color: var(--pink); text-decoration: none; }
.article-footnote a:hover { text-decoration: underline; }

/* ── CTA SECTION ── */
.cta-section {
  text-align: center;
  padding: 64px 0;
  margin-bottom: 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-section .section-heading {
  margin-bottom: 16px;
}
.cta-desc {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 32px;
}
.btn-primary {
  display: inline-block;
  background: #d6215e;
  color: #fff;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: 16px 48px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background .2s, box-shadow .2s;
}
.btn-primary:hover {
  background: #c01a52;
  box-shadow: 0 0 40px rgba(214,33,94,0.3);
}

/* ── RELATED RESEARCH (EN) ── */
.related-research { margin-top: 64px; padding-top: 48px; border-top: 1px solid var(--border); }
.related-research h3 { font-family: var(--mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--pink); margin-bottom: 20px; }
.related-grid { display: flex; flex-direction: column; gap: 8px; }
.related-card { display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: var(--surface); border: 1px solid var(--border); text-decoration: none; color: inherit; transition: border-color .3s, background .3s; }
.related-card:hover { border-color: var(--pink); background: var(--deep); }
.related-label { font-family: var(--mono); font-size: 9px; letter-spacing: .15em; text-transform: uppercase; color: var(--pink); white-space: nowrap; min-width: 90px; }
.related-title { font-family: var(--serif); font-size: 17px; font-weight: 300; color: var(--white); flex: 1; }
.related-arrow { color: var(--pink); opacity: 0; transition: opacity .3s; }
.related-card:hover .related-arrow { opacity: 1; }

/* ── RELATED RESEARCH (PT — block style) ── */
.related-card-cat {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--pink-text);
  margin-bottom: 6px;
}
.related-card-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--white);
  line-height: 1.3;
}

/* ── AUTHOR BIO LINK ── */
.author-bio-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--pink-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.author-bio-link:hover { color: var(--pink); }
.author-bio-link:visited { color: #cc4d8a; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-logo {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-logo span { color: var(--pink); }
.footer-links {
  display: flex;
  gap: 32px;
}
.footer-links a {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gray2);
  text-decoration: none;
  transition: color .2s;
}
.footer-links a:hover { color: var(--pink); }
.footer-social { display: flex; gap: 16px; align-items: center; }
.footer-social a { color: var(--gray2); transition: color .2s; display: flex; align-items: center; }
.footer-social a:hover { color: var(--pink); }
.footer-brand {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gray2);
  letter-spacing: .05em;
  margin-bottom: 6px;
}
.footer-ruo {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--gray2);
  letter-spacing: .1em;
}

/* ── BACK TO TOP ── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--surface, #111);
  border: 1px solid var(--border, #222);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s, border-color .3s, background .3s;
  z-index: 900;
  text-decoration: none;
  color: inherit;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover {
  border-color: var(--pink, #db266c);
  background: rgba(219,38,108,0.08);
}
.back-to-top svg {
  width: 18px;
  height: 18px;
  stroke: var(--gray, #888);
  transition: stroke .3s;
}
.back-to-top:hover svg { stroke: var(--pink, #db266c); }
/* Push up if WhatsApp float is present */
.whatsapp-float ~ .back-to-top { bottom: 90px; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 16px 20px; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 9px; }
  .container { padding: 0 20px; }
  .article-container { padding: 0 20px; }
  .page-header { padding: 48px 0 32px; margin-bottom: 40px; }
  .page-title { font-size: 32px; }
  .article-header h1 { font-size: 28px; }
  .verdict { padding: 24px; }
  .anvisa-callout { padding: 16px 20px; }
  .specs-table { font-size: 13px; }
  .specs-table thead th,
  .specs-table tbody td { padding: 10px 10px; font-size: 12px; }
  .specs-table tbody td:first-child { white-space: normal; }
  .comparison-grid { grid-template-columns: 1fr; gap: 20px; }
  .compound-card { padding: 24px; }
  .comparison-table { font-size: 12px; }
  .comparison-table thead th { font-size: 8px; padding: 10px 6px; }
  .comparison-table tbody td { padding: 10px 6px; font-size: 12px; }
  .comparison-table .drug-name { white-space: normal; }
  .section-heading { font-size: 26px; }
  footer { padding: 32px 20px; flex-direction: column; align-items: flex-start; }
  .footer-links { flex-wrap: wrap; gap: 16px; }
  .cta-section { padding: 40px 0; }
  .btn-primary { padding: 14px 32px; font-size: 11px; }
  .related-label { display: none; }
  .related-card { padding: 14px 16px; }
  .back-to-top { bottom: 24px; right: 24px; width: 40px; height: 40px; }
  .whatsapp-float ~ .back-to-top { bottom: 80px; }
}

@media (max-width: 480px) {
  .page-title { font-size: 26px; }
  .article-header h1 { font-size: 24px; }
  .nav-links a { font-size: 8px; letter-spacing: .1em; }
  .nav-links { gap: 12px; }
  .comparison-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}