/* ===== Reset e base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* Paper & ink — clinical light theme, deliberately single-theme */
  --paper: #f5f7f6;
  --card: #ffffff;
  --ink: #14231f;
  --muted: #5a6b66;
  --line: #dde5e2;
  --line-strong: #c8d4d0;

  --accent: #0e6b5c;
  --accent-deep: #0a4a40;
  --accent-wash: #e9f2ef;

  /* Semantic evidence colors, separate from the accent */
  --ev-strong: #0e6b5c;
  --ev-moderate: #a16207;
  --ev-limited: #b0483b;

  --serif: "STIX Two Text", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 6px;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16px;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

a { color: var(--accent); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== Cabeçalho ===== */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 0;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
}

.logo {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.logo span { color: var(--accent); font-style: italic; }

.tagline {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ===== Página inicial ===== */
.hero {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
}

.hero .eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-wrap: balance;
  max-width: 22ch;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--muted);
  max-width: 58ch;
  font-size: 1.05rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.hero-stats .stat .num {
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  color: var(--ink);
}

.hero-stats .stat .label {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ===== Guias comparativos ===== */
.guides-strip { margin-bottom: 2rem; }

.guides-heading {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
  margin-bottom: 0.9rem;
}

.guide-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.guide-card {
  background: var(--accent-wash);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.guide-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.guide-card .guide-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ink);
  line-height: 1.3;
}

.guide-card .guide-question {
  font-size: 0.82rem;
  color: var(--muted);
}

.guide-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 600;
}

.table-wrap { overflow-x: auto; }

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 640px;
}

.compare-table th {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-align: left;
  padding: 0.5rem 0.9rem 0.5rem 0;
  border-bottom: 2px solid var(--line-strong);
}

.compare-table td {
  padding: 0.85rem 0.9rem 0.85rem 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.compare-table .col-name a {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
}

.compare-table .col-note { color: var(--muted); }

.compare-table .table-buy {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius);
  text-decoration: none;
}

.compare-table .table-buy:hover { background: var(--accent-deep); }

.verdict-box {
  background: var(--accent-wash);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.verdict-box p { max-width: 70ch; }

/* ===== Filtros ===== */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 1.75rem;
}

.filters input[type="search"],
.filters select {
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.6rem 0.9rem;
}

.filters input[type="search"] { flex: 1 1 260px; }

.filters input[type="search"]::placeholder { color: var(--muted); }

/* ===== Grade de produtos ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.1rem;
  padding-bottom: 3rem;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.35rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.product-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(14, 107, 92, 0.08);
}

.product-card h2 {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.product-card .summary {
  color: var(--muted);
  font-size: 0.9rem;
  flex: 1;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
}

.category-tag {
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ===== Medidor de evidência (●●○) ===== */
.evidence-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.evidence-badge .dots {
  display: inline-flex;
  gap: 3px;
}

.evidence-badge .dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid currentColor;
}

.evidence-strong { color: var(--ev-strong); }
.evidence-moderate { color: var(--ev-moderate); }
.evidence-limited { color: var(--ev-limited); }

.evidence-strong .dots i { background: currentColor; }
.evidence-moderate .dots i:nth-child(-n + 2) { background: currentColor; }
.evidence-limited .dots i:nth-child(1) { background: currentColor; }

/* ===== Página de produto ===== */
.back-link {
  display: inline-block;
  margin: 1.75rem 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.back-link:hover { text-decoration: underline; }

.product-page {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.5rem;
  margin-bottom: 3rem;
}

.product-page > header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.product-page h1 {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0.6rem 0 0.6rem;
}

.product-page > header p {
  color: var(--muted);
  max-width: 62ch;
}

.product-page section { margin-bottom: 2.25rem; }

.product-page h2 {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--line);
}

.claim-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.claim-list li {
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0.9rem 1.1rem;
  background: var(--card);
}

.claim-list li.claim-strong { border-left-color: var(--ev-strong); }
.claim-list li.claim-moderate { border-left-color: var(--ev-moderate); }
.claim-list li.claim-limited { border-left-color: var(--ev-limited); }

.claim-list .claim-title {
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  align-items: center;
  margin-bottom: 0.3rem;
}

.claim-list p {
  font-size: 0.92rem;
  color: var(--muted);
  max-width: 70ch;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.info-box {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.info-box strong {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

/* ===== Referências como citações ===== */
.reference-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  counter-reset: ref;
}

.reference-list li {
  counter-increment: ref;
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.4rem;
  font-size: 0.9rem;
}

.reference-list li::before {
  content: "[" counter(ref) "]";
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  padding-top: 0.15rem;
}

.reference-list a {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.4;
}

.reference-list .ref-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ===== Compra ===== */
.buy-section {
  background: var(--accent-wash);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.buy-section > p:first-child {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
}

.buy-section .store-product {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
  max-width: 48ch;
  margin: 0.5rem auto 0;
  text-wrap: balance;
}

.buy-button {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  padding: 0.8rem 2rem;
  border-radius: var(--radius);
  margin-top: 0.7rem;
  transition: background 0.15s ease;
}

.buy-button:hover { background: var(--accent-deep); }

.buy-section .small-note {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.6rem;
}

.not-found {
  padding: 3.5rem 0;
  text-align: center;
  color: var(--muted);
}

/* ===== Rodapé ===== */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--card);
  padding: 1.75rem 0 2.25rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.site-footer p { margin-top: 0.6rem; max-width: 90ch; }

.site-footer .affiliate-note { font-style: italic; }

@media (max-width: 600px) {
  .product-page { padding: 1.4rem; }
  .hero { padding-top: 2.25rem; }
  .hero-stats { gap: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .product-card { transition: none; }
  .product-card:hover { transform: none; }
}