/* ==========================================================================
   Kit Clínico — folha de estilo única. Mobile-first, sem dependências.
   ========================================================================== */

:root {
  --c-primary:        #0d9488;
  --c-primary-dark:   #0f766e;
  --c-primary-darker: #115e59;
  --c-primary-soft:   #f0fdfa;
  --c-primary-soft2:  #ccfbf1;

  --c-ink:    #0f172a;
  --c-text:   #374151;
  --c-muted:  #64748b;
  --c-bg:     #ffffff;
  --c-soft:   #f8fafc;
  --c-softer: #f1f5f9;
  --c-line:   #e5e7eb;

  --c-success:        #15803d;
  --c-success-strong: #166534;
  --c-success-bg:     #f0fdf4;
  --c-success-border: #bbf7d0;

  --c-danger:         #b91c1c;
  --c-danger-bg:      #fef2f2;
  --c-danger-border:  #fecaca;

  --c-warning:        #b45309;
  --c-warning-bg:     #fffbeb;
  --c-warning-border: #fde68a;

  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 18px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow:    0 4px 14px rgba(15, 23, 42, .08);
  --shadow-lg: 0 14px 40px rgba(15, 23, 42, .12);

  --container: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
          Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
}

/* --- Reset --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: var(--font); font-size: 1.0625rem; line-height: 1.65;
  color: var(--c-text); background: var(--c-bg);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--c-primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { color: var(--c-ink); line-height: 1.25; font-weight: 700; }
ul, ol { padding-left: 1.3rem; }
strong { color: var(--c-ink); }
sub, sup { font-size: .72em; }

/* --- Layout -------------------------------------------------------------- */
.container {
  width: 100%; max-width: var(--container);
  margin-inline: auto; padding-inline: 1.1rem;
}
.section { padding-block: 2.6rem; }
.section--soft { background: var(--c-soft); }
.narrow { max-width: 760px; margin-inline: auto; }
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--c-primary); color: #fff; padding: .6rem 1rem;
  border-radius: 0 0 var(--radius-sm) 0; z-index: 200;
}
.skip-link:focus { left: 0; }

/* --- Cabeçalho ----------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--c-line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 64px;
}
.brand {
  display: flex; align-items: center; gap: .55rem;
  font-weight: 800; font-size: 1.12rem; color: var(--c-ink);
}
.brand:hover { text-decoration: none; }
.brand__mark { width: 32px; height: 32px; flex: none; }
.brand__name span { color: var(--c-primary); }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border: 1px solid var(--c-line);
  border-radius: var(--radius-sm); background: #fff; cursor: pointer;
}
.nav-toggle svg { width: 22px; height: 22px; }
.nav-toggle__close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__close { display: block; }

.main-nav { display: none; }
.main-nav.is-open {
  display: block; position: absolute; left: 0; right: 0; top: 100%;
  background: #fff; border-bottom: 1px solid var(--c-line);
  box-shadow: var(--shadow);
}
.main-nav ul {
  list-style: none; padding: .5rem 1.1rem 1rem; margin: 0;
  display: flex; flex-direction: column; gap: .15rem;
}
.main-nav a {
  display: block; padding: .7rem .6rem; border-radius: var(--radius-sm);
  color: var(--c-ink); font-weight: 600;
}
.main-nav a:hover { background: var(--c-primary-soft); text-decoration: none; }
.main-nav a.is-active { color: var(--c-primary-dark); background: var(--c-primary-soft); }

/* --- Rodapé -------------------------------------------------------------- */
.site-footer {
  background: var(--c-ink); color: #cbd5e1;
  padding-block: 2.6rem 1.6rem; margin-top: 3rem; font-size: .96rem;
}
.site-footer h3 {
  color: #fff; font-size: .82rem; text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: .7rem;
}
.footer-grid { display: grid; gap: 1.6rem 1.2rem; grid-template-columns: 1fr; }
.footer-grid ul { list-style: none; padding: 0; display: grid; gap: .4rem; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.site-footer .brand, .site-footer .brand__name { color: #fff; }
.footer-brand p { margin-top: .6rem; color: #94a3b8; font-size: .92rem; }
.footer-bottom {
  margin-top: 1.8rem; padding-top: 1.2rem;
  border-top: 1px solid #1e293b; color: #94a3b8; font-size: .86rem;
}
.footer-bottom p + p { margin-top: .4rem; }

/* --- Botões -------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; font-family: inherit; font-size: 1rem; font-weight: 700;
  padding: .85rem 1.4rem; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer; text-align: center;
  transition: background-color .15s ease, transform .05s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--c-primary); color: #fff; }
.btn--primary:hover { background: var(--c-primary-dark); }
.btn--block { width: 100%; }
.btn--lg { padding: 1rem 1.6rem; font-size: 1.06rem; }
.btn--sm { padding: .5rem .85rem; font-size: .9rem; }
.btn--ghost { background: #fff; color: var(--c-primary-dark); border-color: var(--c-line); }
.btn--ghost:hover { background: var(--c-primary-soft); }
.btn--light { background: #fff; color: var(--c-primary-dark); }
.btn--light:hover { background: var(--c-primary-soft); }
:focus-visible { outline: 3px solid #5eead4; outline-offset: 2px; border-radius: 4px; }

/* --- Hero / seletor de área --------------------------------------------- */
.hero {
  background: linear-gradient(180deg, var(--c-primary-soft), #fff 88%);
  padding-block: 2.8rem 2.4rem; border-bottom: 1px solid var(--c-line);
  text-align: center;
}
.hero__eyebrow {
  display: inline-block; font-weight: 700; font-size: .82rem;
  letter-spacing: .05em; text-transform: uppercase;
  color: var(--c-primary-dark); background: var(--c-primary-soft2);
  padding: .3rem .7rem; border-radius: 999px; margin-bottom: .9rem;
}
.hero h1 { font-size: clamp(1.85rem, 5.4vw, 2.8rem); letter-spacing: -.02em; }
.hero p.lead {
  font-size: 1.12rem; color: var(--c-text); margin: .8rem auto 0; max-width: 640px;
}

.area-grid {
  display: grid; gap: 1.1rem; grid-template-columns: 1fr;
  margin-top: 1.8rem;
}
.area-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); padding: 1.8rem 1.3rem;
  box-shadow: var(--shadow-sm); transition: box-shadow .15s ease, transform .15s ease;
}
.area-card:hover {
  text-decoration: none; box-shadow: var(--shadow-lg);
  transform: translateY(-4px); border-color: var(--c-primary-soft2);
}
.area-card__icon {
  width: 72px; height: 72px; border-radius: 18px;
  background: var(--c-primary-soft); color: var(--c-primary-dark);
  display: flex; align-items: center; justify-content: center; margin-bottom: 1rem;
}
.area-card__icon svg { width: 40px; height: 40px; }
.area-card h2 { font-size: 1.3rem; }
.area-card p { color: var(--c-muted); font-size: .98rem; margin-top: .4rem; }
.area-card__cta {
  margin-top: 1rem; font-weight: 700; color: var(--c-primary-dark);
  display: inline-flex; align-items: center; gap: .3rem;
}

/* --- Cabeçalho de página interna ---------------------------------------- */
.page-head {
  background: linear-gradient(180deg, var(--c-primary-soft), #fff);
  padding-block: 1.6rem 2rem; border-bottom: 1px solid var(--c-line);
}
.page-head h1 {
  font-size: clamp(1.6rem, 4.6vw, 2.3rem); letter-spacing: -.02em; margin-top: .5rem;
}
.page-head p.lead { font-size: 1.08rem; margin-top: .6rem; max-width: 680px; }

.breadcrumb { font-size: .9rem; color: var(--c-muted); }
.breadcrumb ol { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .35rem; }
.breadcrumb li::after { content: "›"; margin-left: .35rem; color: var(--c-line); }
.breadcrumb li:last-child::after { content: ""; }

.section-title { text-align: center; margin-bottom: 1.6rem; }
.section-title h2 { font-size: clamp(1.4rem, 3.6vw, 1.9rem); }
.section-title p { color: var(--c-muted); margin-top: .4rem; }

/* --- Busca --------------------------------------------------------------- */
.search-box { position: relative; max-width: 560px; margin: 0 auto 1.6rem; }
.search-box svg {
  position: absolute; left: .9rem; top: 50%; transform: translateY(-50%);
  width: 20px; height: 20px; color: var(--c-muted); pointer-events: none;
}
.search-box input {
  width: 100%; font-family: inherit; font-size: 1.05rem; color: var(--c-ink);
  padding: .85rem 1rem .85rem 2.7rem; border: 1px solid #cbd5e1;
  border-radius: 999px; background: #fff; min-height: 50px;
}
.search-box input:focus {
  outline: none; border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, .15);
}
.search-empty {
  display: none; text-align: center; color: var(--c-muted);
  padding: 1.5rem; font-size: .98rem;
}

/* --- Lista de calculadoras ---------------------------------------------- */
.calc-category { margin-bottom: 2rem; }
.calc-category > h2 {
  font-size: 1.2rem; padding-bottom: .5rem; margin-bottom: 1rem;
  border-bottom: 2px solid var(--c-primary-soft2);
  display: flex; align-items: center; gap: .5rem;
}
.calc-category > h2 svg { width: 22px; height: 22px; color: var(--c-primary); }
.calc-grid { display: grid; gap: .8rem; grid-template-columns: 1fr; }
.calc-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm); transition: box-shadow .15s ease, transform .15s ease;
}
a.calc-card:hover {
  text-decoration: none; box-shadow: var(--shadow);
  transform: translateY(-2px); border-color: var(--c-primary-soft2);
}
.calc-card h3 { font-size: 1.04rem; }
.calc-card p { color: var(--c-muted); font-size: .92rem; margin-top: .25rem; }
.calc-card__tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .6rem; }
.tag {
  font-size: .74rem; font-weight: 700; padding: .18rem .5rem;
  border-radius: 999px; background: var(--c-softer); color: var(--c-text);
  text-transform: uppercase; letter-spacing: .03em;
}
.tag--common { background: var(--c-primary-soft); color: var(--c-primary-dark); }

/* --- Cards genéricos ---------------------------------------------------- */
.card-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.card {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 1.25rem; box-shadow: var(--shadow-sm);
  transition: box-shadow .15s ease, transform .15s ease;
}
a.card:hover {
  text-decoration: none; box-shadow: var(--shadow);
  transform: translateY(-3px); border-color: var(--c-primary-soft2);
}
.card h3 { font-size: 1.1rem; }
.card p { color: var(--c-muted); font-size: .95rem; margin-top: .35rem; flex: 1; }
.card__cta {
  margin-top: .9rem; font-weight: 700; color: var(--c-primary-dark); font-size: .95rem;
}

/* --- Disclaimer clínico ------------------------------------------------- */
.disclaimer {
  background: var(--c-warning-bg); border: 1px solid var(--c-warning-border);
  border-left: 4px solid var(--c-warning); border-radius: var(--radius-sm);
  padding: .9rem 1.1rem; margin-block: 1.2rem;
  font-size: .92rem; color: #7c4a06;
  display: flex; gap: .6rem; align-items: flex-start;
}
.disclaimer svg { width: 20px; height: 20px; flex: none; color: var(--c-warning); margin-top: .1rem; }
.disclaimer strong { color: #7c4a06; }
.disclaimer-bar {
  background: var(--c-ink); color: #cbd5e1; font-size: .85rem;
  text-align: center; padding: .5rem 1rem;
}
.disclaimer-bar strong { color: #fff; }

/* --- Widget de calculadora ---------------------------------------------- */
.calculator {
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow);
  padding: 1.3rem; margin-block: 1.4rem;
}
.calculator__title {
  display: flex; align-items: center; gap: .55rem;
  font-size: 1.18rem; margin-bottom: .25rem;
}
.calculator__title svg { width: 22px; height: 22px; color: var(--c-primary); }
.calculator__hint { color: var(--c-muted); font-size: .95rem; margin-bottom: 1.1rem; }

.field-group {
  border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 1rem; margin-bottom: 1rem; background: var(--c-soft);
}
.field-group > legend, .field-group__title {
  font-weight: 700; color: var(--c-ink); font-size: .98rem; padding-inline: .3rem;
}
.field-row { display: grid; gap: .9rem; grid-template-columns: 1fr; margin-top: .8rem; }
.field { display: flex; flex-direction: column; gap: .35rem; }
.field label { font-weight: 600; color: var(--c-ink); font-size: .95rem; }
.field .help { font-size: .84rem; color: var(--c-muted); }
.input, select.input {
  font-family: inherit; font-size: 1.05rem; color: var(--c-ink);
  padding: .7rem .8rem; border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm); background: #fff; width: 100%;
  min-height: 46px; transition: border-color .15s ease, box-shadow .15s ease;
}
.input:focus {
  outline: none; border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, .15);
}
.input-affix { position: relative; }
.input-affix .input { padding-right: 2.8rem; }
.input-affix__unit {
  position: absolute; right: .8rem; top: 50%; transform: translateY(-50%);
  color: var(--c-muted); font-weight: 600; pointer-events: none;
}

.segmented { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .15rem; }
.segmented label { cursor: pointer; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span {
  display: block; padding: .55rem .85rem; border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm); font-weight: 600; font-size: .95rem;
  color: var(--c-text); background: #fff; transition: all .12s ease;
}
.segmented label:hover span { border-color: var(--c-primary); }
.segmented input:checked + span {
  background: var(--c-primary); border-color: var(--c-primary); color: #fff;
}
.segmented input:focus-visible + span { outline: 3px solid #5eead4; outline-offset: 2px; }
.field-group > .segmented { margin-top: .6rem; }

.field-error {
  display: none; color: var(--c-danger); font-size: .9rem; font-weight: 600;
  margin-top: .2rem;
}
.field-error.is-visible { display: block; }
.calculator__actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .3rem; }

/* --- Cartão de resultado ------------------------------------------------- */
.result {
  margin-top: 1.3rem; border-radius: var(--radius);
  border: 2px solid var(--c-line); overflow: hidden;
}
.result[hidden] { display: none; }
.result__banner { padding: 1.1rem 1.2rem; display: flex; gap: .7rem; align-items: flex-start; }
.result__banner svg { width: 26px; height: 26px; flex: none; margin-top: .1rem; }
.result__headline { font-size: 1.18rem; font-weight: 800; }
.result__sub { font-size: .96rem; margin-top: .15rem; }

.result--ok { border-color: var(--c-success-border); }
.result--ok .result__banner { background: var(--c-success-bg); }
.result--ok .result__headline, .result--ok .result__banner svg { color: var(--c-success-strong); }

.result--alert { border-color: var(--c-danger-border); }
.result--alert .result__banner { background: var(--c-danger-bg); }
.result--alert .result__headline, .result--alert .result__banner svg { color: var(--c-danger); }

.result--warn { border-color: var(--c-warning-border); }
.result--warn .result__banner { background: var(--c-warning-bg); }
.result--warn .result__headline, .result--warn .result__banner svg { color: var(--c-warning); }

.result--neutral { border-color: var(--c-primary-soft2); }
.result--neutral .result__banner { background: var(--c-primary-soft); }
.result--neutral .result__headline, .result--neutral .result__banner svg { color: var(--c-primary-darker); }

.result__body { padding: 1.1rem 1.2rem; background: #fff; }
.result__main {
  font-size: 2rem; font-weight: 800; color: var(--c-ink);
  font-variant-numeric: tabular-nums; line-height: 1.1;
}
.result__main small { font-size: 1rem; font-weight: 600; color: var(--c-muted); }
.metric-grid { display: grid; gap: .7rem; grid-template-columns: repeat(2, 1fr); margin-top: 1rem; }
.metric {
  background: var(--c-soft); border: 1px solid var(--c-line);
  border-radius: var(--radius-sm); padding: .7rem .8rem;
}
.metric__label {
  font-size: .8rem; color: var(--c-muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: .03em;
}
.metric__value {
  font-size: 1.25rem; font-weight: 800; color: var(--c-ink);
  font-variant-numeric: tabular-nums; margin-top: .15rem;
}
.metric__note { font-size: .82rem; color: var(--c-muted); margin-top: .1rem; }
.result__interpretation {
  margin-top: 1rem; padding-top: 1rem; border-top: 1px dashed var(--c-line);
  font-size: .98rem;
}
.result__interpretation strong { color: var(--c-ink); }

/* --- Conteúdo longo ----------------------------------------------------- */
.prose { font-size: 1.0625rem; }
.prose h2 { font-size: clamp(1.3rem, 3.2vw, 1.6rem); margin-top: 2rem; scroll-margin-top: 84px; }
.prose h3 { font-size: 1.15rem; margin-top: 1.5rem; }
.prose p { margin-top: .9rem; }
.prose ul, .prose ol { margin-top: .8rem; }
.prose li { margin-top: .35rem; }
.prose li::marker { color: var(--c-primary); }
.prose h2 + p, .prose h3 + p { margin-top: .55rem; }
.prose a { text-decoration: underline; text-underline-offset: 2px; }

.formula {
  background: var(--c-softer); border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-primary); border-radius: var(--radius-sm);
  padding: .85rem 1rem; margin-block: 1rem; overflow-x: auto;
  font-family: var(--font-mono); font-size: 1rem; color: var(--c-ink);
}
.formula .formula__where {
  display: block; margin-top: .5rem; font-family: var(--font);
  font-size: .88rem; color: var(--c-muted);
}

.callout {
  border: 1px solid var(--c-line); border-left: 4px solid var(--c-muted);
  border-radius: var(--radius-sm); padding: .95rem 1.1rem;
  margin-block: 1.2rem; background: var(--c-soft);
}
.callout__title {
  display: flex; align-items: center; gap: .45rem;
  font-weight: 800; color: var(--c-ink); margin-bottom: .3rem;
}
.callout__title svg { width: 19px; height: 19px; }
.callout p { margin-top: .4rem; }
.callout p:first-of-type { margin-top: 0; }
.callout--example { border-left-color: var(--c-primary); background: var(--c-primary-soft); }
.callout--example .callout__title { color: var(--c-primary-darker); }
.callout--tip { border-left-color: var(--c-success); background: var(--c-success-bg); }
.callout--tip .callout__title { color: var(--c-success-strong); }
.callout--warning { border-left-color: var(--c-warning); background: var(--c-warning-bg); }
.callout--warning .callout__title { color: var(--c-warning); }

.table-wrap { overflow-x: auto; margin-block: 1.2rem; }
table.data { width: 100%; border-collapse: collapse; font-size: .96rem; min-width: 360px; }
table.data th, table.data td {
  border: 1px solid var(--c-line); padding: .6rem .7rem; text-align: left;
}
table.data thead th { background: var(--c-softer); color: var(--c-ink); }
table.data tbody tr:nth-child(even) { background: var(--c-soft); }
table.data td.num { text-align: right; font-variant-numeric: tabular-nums; }

.faq { margin-top: 1rem; }
.faq details {
  border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  margin-top: .6rem; background: #fff;
}
.faq summary {
  cursor: pointer; padding: .9rem 1rem; font-weight: 700; color: var(--c-ink);
  list-style: none; display: flex; justify-content: space-between; gap: 1rem;
  align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--c-primary); font-weight: 700; }
.faq details[open] summary::after { content: "−"; }
.faq details[open] summary { border-bottom: 1px solid var(--c-line); }
.faq .faq__answer { padding: .3rem 1rem 1rem; }
.faq .faq__answer p { margin-top: .6rem; }
.faq .faq__answer p:first-child { margin-top: .2rem; }

/* --- Anúncios ------------------------------------------------------------ */
.ad-slot { margin-block: 1.6rem; text-align: center; }
.ad-slot:empty { display: none; }
.ad-slot:not(:empty)::before {
  content: "Publicidade"; display: block; font-size: .7rem;
  text-transform: uppercase; letter-spacing: .08em; color: #94a3b8; margin-bottom: .3rem;
}

/* --- Relacionados ------------------------------------------------------- */
.related { margin-top: 2.4rem; }
.related h2 { font-size: 1.3rem; margin-bottom: .9rem; }

/* --- Utilidades --------------------------------------------------------- */
.text-center { text-align: center; }
.muted { color: var(--c-muted); }
.text-sm { font-size: .92rem; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --- Responsivo --------------------------------------------------------- */
@media (min-width: 560px) {
  .field-row { grid-template-columns: 1fr 1fr; }
  .field-row--single { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 720px) {
  .area-grid { grid-template-columns: repeat(3, 1fr); }
  .calc-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .card-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .calculator { padding: 1.8rem; }
  .section { padding-block: 3.4rem; }
}
@media (min-width: 960px) {
  .calc-grid { grid-template-columns: repeat(3, 1fr); }
  .nav-toggle { display: none; }
  .main-nav {
    display: block; position: static; box-shadow: none; border: 0; background: transparent;
  }
  .main-nav ul { flex-direction: row; align-items: center; padding: 0; gap: .25rem; }
  .main-nav a { padding: .5rem .8rem; }
}

/* --- Pagina de apoio / doacoes ----------------------------------------- */
.donate-card { text-align: center; }
.donate-card h3 { font-size: 1.18rem; }
.donate-qr {
  width: 190px; height: 190px; margin: 1.1rem auto 0; display: block;
  border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  padding: 8px; background: #fff;
}
.pix-key {
  display: inline-block; font-family: var(--font-mono); font-weight: 700;
  color: var(--c-ink); background: var(--c-primary-soft);
  padding: .3rem .6rem; border-radius: 6px;
}
.pix-code {
  display: block; width: 100%; margin-top: .8rem; padding: .7rem .8rem;
  background: var(--c-softer); border: 1px solid var(--c-line);
  border-radius: var(--radius-sm); font-family: var(--font-mono);
  font-size: .76rem; line-height: 1.55; word-break: break-all;
  color: var(--c-ink); text-align: left;
}

/* Lista de critérios — escores com itens sim/não */
.criteria-list { list-style: none; padding: 0; margin: .8rem 0 0; display: grid; gap: .5rem; }
.criteria {
  display: flex; align-items: flex-start; gap: .65rem; cursor: pointer;
  padding: .7rem .85rem; border: 1px solid var(--c-line);
  border-radius: var(--radius-sm); background: var(--c-softer);
  transition: border-color .15s ease, background .15s ease;
}
.criteria:hover { border-color: var(--c-primary); }
.criteria input {
  margin: .1rem 0 0; width: 1.15rem; height: 1.15rem;
  accent-color: var(--c-primary); flex-shrink: 0;
}
.criteria > span:first-of-type { flex: 1; color: var(--c-ink); font-size: .96rem; }
.criteria input:checked ~ span:first-of-type { font-weight: 600; }
.criteria__pts {
  flex-shrink: 0; font-family: var(--font-mono); font-size: .82rem;
  font-weight: 700; color: var(--c-primary-darker);
  background: var(--c-primary-soft); padding: .12rem .45rem; border-radius: 6px;
}

/* Lista de referências bibliográficas */
.ref-list { font-size: .9rem; color: var(--c-muted); padding-left: 1.25rem; margin: .6rem 0 0; }
.ref-list li { margin-bottom: .5rem; line-height: 1.5; }
.ref-list cite { font-style: italic; }

/* Utilitários de espaçamento e alinhamento */
.u-mt-sm { margin-top: .6rem; }
.u-mt-md { margin-top: 1.4rem; }
.u-mt-lg { margin-top: 1.6rem; }
.u-text-center { text-align: center; }
.u-text-left { text-align: left; }
.u-my-md { margin-top: 1.4rem; margin-bottom: 1.4rem; }