/* ============================================================
   CERVICALIA — Sistema visual único
   Design tokens + layout mobile-first + componentes
   ============================================================ */

:root{
  /* Paleta — voz honesta con calidez, coincide con el quiz */
  --lino:#F2F5F4;         /* fondo principal */
  --carta:#FFFFFF;        /* superficies elevadas */
  --tinta:#14322E;        /* texto principal, autoridad */
  --teal:#0E7A6D;         /* acento, marca */
  --teal-osc:#0A5A50;     /* hover / énfasis */
  --alba:#E8A13D;         /* CTA principal, ámbar amanecer */
  --alba-osc:#C9862A;
  --linea:#D9E2DE;
  --gris:#5C6E6A;
  --gris-cl:#8AA09B;

  /* Callouts */
  --amber-bg:#FBF6EC;
  --amber-line:#E8A13D;
  --danger-bg:#FBECEC;
  --danger-line:#C94A4A;
  --info-bg:#EAF3F0;
  --info-line:#0E7A6D;

  /* Tipografía */
  --serif:'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:'Instrument Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Radios y sombras */
  --r-s:8px; --r-m:12px; --r-l:16px; --r-xl:20px;
  --shadow-s:0 1px 3px rgba(20,50,46,.06);
  --shadow-m:0 4px 14px rgba(20,50,46,.08);
  --shadow-l:0 12px 28px rgba(20,50,46,.14);

  /* Contenedor de lectura óptima */
  --content:720px;
  --wide:1080px;
}

*{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  font-family:var(--sans);
  color:var(--tinta);
  background:var(--lino);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* --- Tipografía --- */
h1,h2,h3,h4{ font-family:var(--serif); font-weight:600; line-height:1.2; letter-spacing:-0.01em; color:var(--tinta); }
h1{ font-size:clamp(28px, 5.5vw, 44px); margin-bottom:16px; }
h2{ font-size:clamp(22px, 3.8vw, 30px); margin:44px 0 14px; }
h3{ font-size:clamp(18px, 2.8vw, 22px); margin:28px 0 10px; }
h4{ font-size:17px; margin:20px 0 8px; }

p{ margin-bottom:16px; max-width:var(--content); }
strong,b{ color:var(--tinta); font-weight:600; }
em,i{ color:inherit; }

a{ color:var(--teal); text-decoration:underline; text-underline-offset:2px; transition:color .15s; }
a:hover{ color:var(--teal-osc); }
a:focus-visible{ outline:3px solid var(--alba); outline-offset:2px; border-radius:2px; }

ul,ol{ margin:0 0 18px 22px; max-width:var(--content); }
li{ margin-bottom:8px; }

hr{ border:none; border-top:1px solid var(--linea); margin:32px 0; max-width:var(--content); }

blockquote{ border-left:3px solid var(--teal); padding:6px 18px; margin:18px 0; color:var(--gris); font-style:italic; max-width:var(--content); }

code{ font-family:'SF Mono','Menlo',monospace; background:var(--linea); padding:2px 6px; border-radius:4px; font-size:.9em; }

/* --- Layout --- */
.wrap{ max-width:var(--wide); margin:0 auto; padding:0 20px; }
.content{ max-width:var(--content); }

/* --- Header --- */
.site-header{ background:var(--carta); border-bottom:1px solid var(--linea); position:sticky; top:0; z-index:50; }
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; height:64px; gap:20px; }
.brand{ font-family:var(--serif); font-weight:600; font-size:22px; color:var(--tinta); text-decoration:none; letter-spacing:-0.01em; }
.brand:hover{ color:var(--teal); }
.brand::before{ content:"🌙"; margin-right:8px; font-size:18px; }
.nav-main{ display:none; }
.nav-main a{ color:var(--tinta); text-decoration:none; margin:0 14px; font-weight:500; font-size:15px; }
.nav-main a:hover{ color:var(--teal); }
.nav-quiz{ background:var(--alba); color:#3A2B0A; padding:9px 16px; border-radius:8px; text-decoration:none; font-weight:700; font-size:14px; white-space:nowrap; }
.nav-quiz:hover{ background:#F0B056; color:#3A2B0A; }

@media(min-width:820px){
  .nav-main{ display:flex; }
  .site-header .wrap{ height:72px; }
  .brand{ font-size:24px; }
}

/* --- Breadcrumbs --- */
.crumbs{ font-size:13px; color:var(--gris); margin:18px 0 0; }
.crumbs a{ color:var(--gris); text-decoration:none; }
.crumbs a:hover{ color:var(--teal); text-decoration:underline; }
.crumbs .sep{ margin:0 6px; opacity:.5; }

/* --- Hero --- */
.hero{ padding:44px 0 32px; position:relative; }
.hero .eyebrow{ font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--teal); font-weight:700; margin-bottom:14px; }
.hero p.lead{ font-size:clamp(17px, 2.5vw, 20px); color:var(--gris); max-width:600px; margin-bottom:24px; }
.hero .cta-row{ display:flex; gap:12px; flex-wrap:wrap; margin-top:20px; }

.btn{ display:inline-block; padding:14px 22px; border-radius:10px; font-weight:700; text-decoration:none; font-size:16px; transition:transform .1s, background .15s; border:none; cursor:pointer; font-family:inherit; }
.btn-primary{ background:var(--alba); color:#3A2B0A; }
.btn-primary:hover{ background:#F0B056; color:#3A2B0A; }
.btn-secondary{ background:transparent; color:var(--teal); border:1.5px solid var(--teal); }
.btn-secondary:hover{ background:var(--info-bg); color:var(--teal); }
.btn:active{ transform:scale(.98); }

/* --- Firma visual: arco noche→amanecer --- */
.arc-signature{ height:36px; margin:8px 0 20px; max-width:520px; position:relative; }
.arc-signature svg{ width:100%; height:100%; }

/* --- Callouts YMYL --- */
.callout{ background:var(--info-bg); border-left:4px solid var(--info-line); border-radius:0 var(--r-m) var(--r-m) 0; padding:16px 20px; margin:22px 0; max-width:var(--content); }
.callout-amber{ background:var(--amber-bg); border-left-color:var(--amber-line); }
.callout-danger{ background:var(--danger-bg); border-left-color:var(--danger-line); }
.callout p:last-child{ margin-bottom:0; }
.callout strong:first-child{ display:block; margin-bottom:6px; font-weight:700; }

/* --- Tabla --- */
.tbl-wrap{ overflow-x:auto; margin:22px 0; max-width:100%; }
table{ border-collapse:collapse; width:100%; font-size:15px; min-width:520px; }
th{ background:var(--tinta); color:var(--carta); text-align:left; padding:12px 14px; font-size:12px; font-weight:700; letter-spacing:.05em; text-transform:uppercase; }
td{ padding:12px 14px; border-bottom:1px solid var(--linea); vertical-align:top; }
tbody tr:nth-child(even) td{ background:var(--carta); }
tbody tr:nth-child(odd) td{ background:var(--lino); }

/* --- Tarjeta de producto (para comparativas) --- */
.product-card{ background:var(--carta); border:1px solid var(--linea); border-radius:var(--r-l); padding:22px 24px; margin:24px 0; box-shadow:var(--shadow-s); max-width:var(--content); }
.product-card h3{ margin-top:0; font-size:22px; }
.product-card .meta{ display:flex; flex-wrap:wrap; gap:6px 20px; font-size:14px; color:var(--gris); margin-bottom:12px; }
.product-card .meta b{ color:var(--tinta); }
.product-card .verdict{ font-size:15px; margin:14px 0; }
.product-card .verdict-tag{ display:inline-block; background:var(--info-bg); color:var(--teal); font-size:12px; font-weight:700; padding:3px 10px; border-radius:20px; margin-bottom:8px; letter-spacing:.05em; text-transform:uppercase; }
.product-card .cta-row{ display:flex; gap:10px; flex-wrap:wrap; margin-top:14px; }
.product-card .cta-amazon{ background:var(--alba); color:#3A2B0A; padding:11px 18px; border-radius:8px; text-decoration:none; font-weight:700; font-size:15px; }
.product-card .cta-amazon:hover{ background:#F0B056; }
.product-card .cta-review{ color:var(--teal); text-decoration:none; padding:11px 8px; font-weight:600; font-size:14px; }
.product-card .cta-review:hover{ text-decoration:underline; }

/* --- Puntuación (para reviews) --- */
.score-block{ background:linear-gradient(135deg, #FCEFD8, #F7E3BC 55%, var(--lino)); border:1px solid #EFD9AC; border-radius:var(--r-l); padding:22px 24px; margin:24px 0; max-width:var(--content); }
.score-block .score{ font-family:var(--serif); font-size:44px; font-weight:600; color:var(--tinta); line-height:1; }
.score-block .score-max{ color:var(--gris); font-size:22px; }
.score-block .score-tag{ font-size:12px; color:var(--alba-osc); font-weight:700; letter-spacing:.1em; text-transform:uppercase; margin-bottom:6px; }
.score-block .cta-row{ margin-top:14px; }

/* --- Pros / Contras --- */
.proscons{ display:grid; gap:16px; margin:22px 0; max-width:var(--content); }
@media(min-width:640px){ .proscons{ grid-template-columns:1fr 1fr; } }
.proscons > div{ background:var(--carta); border:1px solid var(--linea); border-radius:var(--r-m); padding:16px 18px; }
.proscons h4{ margin:0 0 8px; font-size:14px; font-family:var(--sans); text-transform:uppercase; letter-spacing:.06em; }
.proscons ul{ list-style:none; margin:0; }
.proscons li{ padding-left:24px; position:relative; margin-bottom:6px; font-size:15px; }
.proscons .pros h4{ color:var(--teal); }
.proscons .pros li::before{ content:"✓"; color:var(--teal); position:absolute; left:0; font-weight:700; }
.proscons .cons h4{ color:var(--alba-osc); }
.proscons .cons li::before{ content:"✕"; color:var(--alba-osc); position:absolute; left:0; font-weight:700; }

/* --- Quiz CTA embebido --- */
.quiz-cta{ background:linear-gradient(135deg, var(--tinta) 0%, var(--teal-osc) 100%); color:var(--carta); border-radius:var(--r-l); padding:28px 28px; margin:32px 0; max-width:var(--content); position:relative; overflow:hidden; }
.quiz-cta::before{ content:""; position:absolute; top:-40px; right:-40px; width:160px; height:160px; background:radial-gradient(circle, var(--alba) 0%, transparent 70%); opacity:.25; }
.quiz-cta h3{ color:var(--carta); font-size:22px; margin:0 0 10px; position:relative; }
.quiz-cta p{ color:rgba(255,255,255,.85); margin-bottom:16px; position:relative; font-size:15.5px; }
.quiz-cta a{ background:var(--alba); color:#3A2B0A; padding:12px 20px; border-radius:8px; text-decoration:none; font-weight:700; display:inline-block; position:relative; font-size:15px; }
.quiz-cta a:hover{ background:#F0B056; color:#3A2B0A; }

/* --- Hub / navegación por silos --- */
.hub-grid{ display:grid; gap:14px; margin:22px 0; }
@media(min-width:640px){ .hub-grid{ grid-template-columns:1fr 1fr; } }
@media(min-width:960px){ .hub-grid{ grid-template-columns:1fr 1fr 1fr; } }
.hub-card{ background:var(--carta); border:1px solid var(--linea); border-radius:var(--r-m); padding:18px 20px; text-decoration:none; color:var(--tinta); transition:transform .15s, box-shadow .15s, border-color .15s; }
.hub-card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-m); border-color:var(--teal); color:var(--tinta); }
.hub-card h3{ margin:0 0 6px; font-size:18px; font-family:var(--serif); }
.hub-card p{ margin:0; font-size:14px; color:var(--gris); }

/* --- Footer --- */
.site-footer{ background:var(--tinta); color:rgba(242,245,244,.75); margin-top:80px; padding:44px 0 24px; }
.site-footer h4{ color:var(--carta); font-family:var(--sans); font-size:13px; font-weight:700; text-transform:uppercase; letter-spacing:.08em; margin-bottom:12px; }
.site-footer a{ color:rgba(242,245,244,.75); text-decoration:none; display:block; padding:3px 0; font-size:14px; }
.site-footer a:hover{ color:var(--alba); }
.footer-grid{ display:grid; gap:32px; grid-template-columns:1fr; margin-bottom:32px; }
@media(min-width:640px){ .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1fr; } }
.site-footer .brand-block{ font-family:var(--serif); }
.site-footer .brand-block .brand{ color:var(--carta); font-size:22px; display:block; margin-bottom:10px; }
.site-footer .brand-block p{ color:rgba(242,245,244,.6); font-size:14px; line-height:1.6; }
.legal-strip{ border-top:1px solid rgba(242,245,244,.15); padding-top:20px; font-size:12px; color:rgba(242,245,244,.5); line-height:1.6; }
.legal-strip p{ max-width:none; margin-bottom:8px; }

/* --- Elementos genéricos --- */
.eyebrow{ font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--teal); font-weight:700; margin-bottom:12px; }
.muted{ color:var(--gris); font-size:14px; }
.disclosure{ font-size:13px; color:var(--gris); background:var(--carta); border:1px dashed var(--linea); border-radius:var(--r-s); padding:12px 16px; margin:22px 0; max-width:var(--content); }
.disclosure p{ margin:0; }

/* --- FAQ / accordion (opcional, versión estática con detalles) --- */
details.faq{ border-bottom:1px solid var(--linea); padding:14px 0; max-width:var(--content); }
details.faq summary{ cursor:pointer; font-weight:600; font-size:16px; padding-right:24px; position:relative; list-style:none; }
details.faq summary::-webkit-details-marker{ display:none; }
details.faq summary::after{ content:"+"; position:absolute; right:0; top:-1px; color:var(--teal); font-size:22px; font-weight:400; transition:transform .2s; }
details.faq[open] summary::after{ content:"−"; }
details.faq p{ margin-top:10px; }

/* --- Print-friendly --- */
@media print {
  .site-header, .site-footer, .quiz-cta, .cta-row { display:none; }
  body{ background:white; color:black; font-size:12pt; }
}


/* === Product Images === */
.product-image {
  width: 100%;
  max-width: 400px;
  margin: 24px auto;
  display: block;
  border-radius: 12px;
  background: var(--lino);
  padding: 12px;
  box-shadow: 0 4px 20px rgba(20, 50, 46, 0.08);
}
.product-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}
.hub-card .product-thumb {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: contain;
  background: var(--lino);
  border-radius: 8px;
  margin-bottom: 12px;
  padding: 8px;
}


/* === Infographics (educational images) === */
.infographic {
  width: 100%;
  max-width: 1000px;
  margin: 32px auto;
  display: block;
}
.infographic img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(20, 50, 46, 0.10);
}
.infographic figcaption {
  font-family: "Instrument Sans", sans-serif;
  font-size: 0.9rem;
  color: var(--tinta);
  opacity: 0.75;
  text-align: center;
  margin-top: 12px;
  font-style: italic;
  line-height: 1.4;
  padding: 0 12px;
}
@media (max-width: 640px) {
  .infographic { margin: 20px -12px; max-width: none; }
  .infographic img { border-radius: 8px; }
}