/* ==========================================================
   Advertorial "Una habitación, un nuevo comienzo" — offersun.com
   Fuentes: Fraunces (títulos) + Inter (texto)
   ========================================================== */

:root {
  --paper: #f7f3ec;
  --paper-2: #efe8dc;
  --ink: #1f1b16;
  --ink-soft: #4a4238;
  --muted: #6d6358;
  --line: #ddd3c3;
  --terracotta: #b4532a;
  --terracotta-dark: #8f3d1b;
  --olive: #4f5b3a;
  --sand: #e6d6bd;
  --white: #ffffff;
  --focus: #1c5d99;

  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --measure: 42rem;
  --wide: 76rem;
  --radius: 4px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--terracotta-dark); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--ink); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute; left: 1rem; top: -4rem;
  background: var(--ink); color: var(--white);
  padding: .6rem 1rem; z-index: 100; text-decoration: none;
}
.skip-link:focus { top: 1rem; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Franja de aviso ---------- */
.disclosure-bar {
  background: var(--ink);
  color: #efe6d8;
  font-size: .8125rem;
  letter-spacing: .02em;
  text-align: center;
  padding: .45rem var(--gutter);
}
.disclosure-bar strong { text-transform: uppercase; letter-spacing: .12em; font-weight: 600; margin-right: .4rem; }
.disclosure-bar a { color: #f3c9a8; }

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 243, 236, .94);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: var(--wide); margin: 0 auto;
  padding: .75rem var(--gutter);
  display: flex; align-items: center; gap: 1.5rem;
}
.brand-logo { display: block; height: 40px; width: auto; }
.footer-logo { display: block; height: 40px; width: auto; margin-bottom: 1rem; }
.brand { display: inline-flex; align-items: center; text-decoration: none; }

.main-nav { margin-left: auto; }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.5rem; }
.main-nav a {
  color: var(--ink-soft); text-decoration: none; font-size: .9375rem; font-weight: 500;
  padding: .3rem 0; border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a[aria-current="true"] { color: var(--ink); border-bottom-color: var(--terracotta); }

.nav-toggle {
  display: none; margin-left: auto;
  background: transparent; border: 1px solid var(--line); border-radius: var(--radius);
  padding: .5rem .7rem; font: inherit; font-size: .875rem; color: var(--ink); cursor: pointer;
  min-height: 44px;
}
.nav-toggle-bars { display: inline-block; width: 1.1rem; height: 2px; background: currentColor; position: relative; vertical-align: middle; margin-right: .45rem; }
.nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; width: 100%; height: 2px; background: currentColor; }
.nav-toggle-bars::before { top: -6px; } .nav-toggle-bars::after { top: 6px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 48px; padding: .75rem 1.35rem;
  border-radius: var(--radius); border: 2px solid transparent;
  font-family: var(--font-sans); font-size: 1rem; font-weight: 600; line-height: 1.2;
  text-decoration: none; cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.btn-primary { background: var(--terracotta); color: var(--white); }
.btn-primary:hover { background: var(--terracotta-dark); color: var(--white); transform: translateY(-1px); }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-small { min-height: 40px; padding: .5rem 1rem; font-size: .9rem; }
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }
.ext-note { font-size: .8rem; color: var(--muted); margin-top: .6rem; }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--wide); margin: 0 auto;
  padding: clamp(2rem, 6vw, 4.5rem) var(--gutter) clamp(2rem, 5vw, 3.5rem);
  display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: center;
}
.kicker {
  display: inline-block; font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--olive); margin-bottom: 1rem;
}
.kicker::before { content: ""; display: inline-block; width: 1.75rem; height: 2px; background: var(--olive); vertical-align: middle; margin-right: .6rem; }
.hero h1 {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(2.2rem, 5.2vw, 3.9rem); line-height: 1.06; letter-spacing: -.02em;
  margin: 0 0 1.25rem;
}
.hero h1 em { font-style: italic; font-weight: 500; color: var(--terracotta-dark); }
.hero .dek { font-size: clamp(1.1rem, 1.7vw, 1.3rem); color: var(--ink-soft); line-height: 1.55; margin: 0 0 1.75rem; max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.hero-figure { margin: 0; position: relative; }
.hero-figure img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius); background: var(--sand); }
.hero-figure::before {
  content: ""; position: absolute; inset: 1.25rem -1.25rem -1.25rem 1.25rem;
  border: 1px solid var(--terracotta); border-radius: var(--radius); z-index: -1;
}
.hero-figure figcaption, .article figure figcaption { font-size: .8125rem; color: var(--muted); margin-top: .6rem; line-height: 1.45; }

/* ---------- Metadatos editoriales ---------- */
.byline {
  max-width: var(--wide); margin: 0 auto; padding: 0 var(--gutter);
}
.byline-inner {
  border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line);
  padding: 1rem 0; display: flex; flex-wrap: wrap; gap: .5rem 2rem; align-items: center;
  font-size: .875rem; color: var(--ink-soft);
}
.tag-ad {
  display: inline-block; background: var(--sand); color: var(--ink);
  font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  padding: .25rem .6rem; border-radius: 2px;
}

/* ---------- Layout del artículo ---------- */
.article-layout {
  max-width: var(--wide); margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) var(--gutter) 2rem;
  display: grid; grid-template-columns: 15rem minmax(0, var(--measure)); gap: clamp(2rem, 5vw, 5rem);
  justify-content: center;
}
.toc { position: sticky; top: 6rem; align-self: start; font-size: .9rem; }
.toc h2 { font-family: var(--font-sans); font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin: 0 0 .75rem; }
.toc ol { list-style: none; margin: 0 0 1.5rem; padding: 0; counter-reset: toc; }
.toc li { counter-increment: toc; border-left: 2px solid var(--line); }
.toc a {
  display: block; padding: .45rem 0 .45rem .9rem; color: var(--ink-soft); text-decoration: none; line-height: 1.35;
}
.toc a::before { content: counter(toc, decimal-leading-zero) "  "; color: var(--muted); font-variant-numeric: tabular-nums; font-size: .78rem; }
.toc a:hover { color: var(--ink); }
.toc li.is-active { border-left-color: var(--terracotta); }
.toc li.is-active a { color: var(--ink); font-weight: 600; }

.article { min-width: 0; }
.article > p:first-of-type::first-letter {
  font-family: var(--font-serif); float: left; font-size: 4.2rem; line-height: .85;
  padding: .35rem .6rem 0 0; color: var(--terracotta);
}
.article p { margin: 0 0 1.35rem; }
.article h2 {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(1.55rem, 2.8vw, 2.05rem); line-height: 1.2; letter-spacing: -.01em;
  margin: 3rem 0 1rem;
}
.article h3 { font-family: var(--font-serif); font-weight: 600; font-size: 1.3rem; line-height: 1.3; margin: 2rem 0 .75rem; }
.article .lead { font-size: 1.2rem; line-height: 1.6; color: var(--ink-soft); }
.article figure { margin: 2.5rem 0; }
.article figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius); background: var(--sand); }
.article figure.bleed { margin-left: clamp(-4rem, -6vw, 0rem); margin-right: clamp(-4rem, -6vw, 0rem); }

.pullquote {
  margin: 2.5rem 0; padding: 0 0 0 1.5rem; border-left: 3px solid var(--terracotta);
  font-family: var(--font-serif); font-size: clamp(1.3rem, 2.3vw, 1.6rem); line-height: 1.4; font-style: italic; color: var(--ink);
}
.pullquote p { margin: 0; }

.note {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem 1.5rem; margin: 2rem 0; font-size: .98rem;
}
.note strong { color: var(--olive); }
.note p:last-child { margin-bottom: 0; }



/* CTA discreto dentro del artículo */
.article-cta { margin: 2.25rem 0; }

/* ---------- Quiz: estimación orientativa ---------- */
.quiz-section { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quiz-inner { max-width: 46rem; margin: 0 auto; padding: clamp(2.5rem, 6vw, 4.5rem) var(--gutter); }
.section-head h2 { font-family: var(--font-serif); font-size: clamp(1.7rem, 3.4vw, 2.5rem); line-height: 1.15; margin: 0 0 .75rem; letter-spacing: -.01em; }
.section-head p { color: var(--ink-soft); margin: 0 0 2rem; max-width: 40rem; }

.quiz { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.25rem, 4vw, 2.25rem); }
.quiz-noscript { margin: 0; color: var(--ink-soft); }
.quiz-progress { margin-bottom: 1.5rem; }
.quiz-step-label { margin: 0 0 .5rem; font-size: .85rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--olive); }
.quiz-track { height: 6px; background: var(--paper-2); border-radius: 99px; overflow: hidden; }
.quiz-bar { height: 100%; width: 25%; background: var(--olive); transition: width .3s ease; }

.quiz-step { border: 0; margin: 0; padding: 0; min-width: 0; }
.quiz-step legend {
  font-family: var(--font-serif); font-weight: 600; font-size: clamp(1.25rem, 2.6vw, 1.5rem); line-height: 1.3;
  padding: 0; margin-bottom: 1.1rem;
}
.quiz-step legend:focus { outline: none; }
.quiz-step legend:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.quiz-option {
  display: grid; grid-template-columns: auto 1fr; gap: .9rem; align-items: start;
  padding: .95rem 1.1rem; margin-bottom: .6rem; min-height: 48px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper);
  cursor: pointer; line-height: 1.45; transition: border-color .15s ease, background-color .15s ease;
}
.quiz-option:hover { border-color: var(--ink-soft); }
.quiz-option input {
  appearance: none; -webkit-appearance: none; margin: .1rem 0 0;
  width: 1.3rem; height: 1.3rem; border: 2px solid var(--ink-soft); border-radius: 50%; background: var(--white);
  display: grid; place-items: center; cursor: pointer;
}
.quiz-option input::after { content: ""; width: .6rem; height: .6rem; border-radius: 50%; background: var(--white); transform: scale(0); transition: transform .15s ease; }
.quiz-option input:checked { border-color: var(--olive); background: var(--olive); }
.quiz-option input:checked::after { transform: scale(1); }
.quiz-option input:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.quiz-option:has(input:checked) { border-color: var(--olive); background: #f1f2ea; }
.quiz-hint { min-height: 1.5rem; margin: .25rem 0 0; font-size: .9rem; color: var(--terracotta-dark); }
.quiz-nav { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: space-between; margin-top: 1rem; }
.quiz-nav [data-quiz-prev][disabled] { visibility: hidden; }

.quiz-result-kicker { margin: 0 0 .4rem; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--olive); }
.quiz-result h3 { font-family: var(--font-serif); font-size: clamp(1.4rem, 3vw, 1.8rem); line-height: 1.25; margin: 0 0 .75rem; }
.quiz-result h3:focus { outline: none; }
.quiz-result h4 { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 1.75rem 0 .75rem; }
.cost-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.cost-list li { padding: .75rem 1rem; border-left: 3px solid var(--line); background: var(--paper); line-height: 1.5; }
.cost-list li.is-focus { border-left-color: var(--terracotta); }
.cost-list strong { display: block; }
.cost-list .tag { display: inline-block; margin-left: .4rem; font-size: .72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--terracotta-dark); }
.cost-list span.desc { color: var(--ink-soft); font-size: .95rem; }
.quiz-zone { margin: 1.5rem 0 0; color: var(--ink-soft); }
.quiz-disclaimer { margin: 1.25rem 0 .5rem; padding: 1rem 1.1rem; background: var(--paper-2); border-radius: var(--radius); font-size: .92rem; line-height: 1.55; }
.quiz-result .quiz-nav { margin-top: 1.5rem; justify-content: flex-start; }
.quiz-result .quiz-nav .btn-primary { margin-left: auto; }

/* Estimación en pesos */
.estimate { margin: 1.5rem 0 .5rem; padding: 1.25rem 1.4rem; background: var(--ink); color: #efe6d8; border-radius: var(--radius); }
.estimate-label { margin: 0 0 .35rem; font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: #cbbfae; }
.estimate-value { margin: 0 0 .5rem; font-family: var(--font-serif); font-size: clamp(1.5rem, 4vw, 2.1rem); font-weight: 600; line-height: 1.2; color: var(--white); font-variant-numeric: tabular-nums; }
.estimate-note { margin: 0; font-size: .85rem; line-height: 1.5; color: #cbbfae; }
.cost-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .15rem 1rem; align-items: baseline; }
.cost-amount { font-weight: 600; font-variant-numeric: tabular-nums; color: var(--ink); white-space: nowrap; }
.cost-list li { border-left-color: var(--terracotta); }
.cost-list li.is-muted { border-left-color: var(--line); }
.cost-list li.is-muted .cost-amount { color: var(--muted); font-weight: 500; }
.quiz-pending { margin: 1rem 0 0; font-size: .95rem; color: var(--terracotta-dark); }
.quiz-sources { margin: .5rem 0 0; font-size: .8rem; line-height: 1.5; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { max-width: 50rem; margin: 0 auto; padding: clamp(2.5rem, 6vw, 4.5rem) var(--gutter); }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--ink); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.25rem 2.5rem 1.25rem 0; position: relative;
  font-family: var(--font-serif); font-size: 1.2rem; font-weight: 600; line-height: 1.35;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: .25rem; top: 1.05rem; font-family: var(--font-sans);
  font-size: 1.6rem; font-weight: 300; color: var(--terracotta); transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .answer { padding: 0 0 1.25rem; color: var(--ink-soft); }
.faq .answer p { margin: 0 0 .9rem; }


/* ---------- Footer ---------- */
.site-footer { background: #15120e; color: #cfc5b5; font-size: .9rem; }
.footer-inner { max-width: var(--wide); margin: 0 auto; padding: 2.5rem var(--gutter) 2rem; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; padding-bottom: 1.75rem; border-bottom: 1px solid #3a332b; }
.site-footer .tag-ad { background: #3a332b; color: #f2eee4; margin-bottom: .75rem; }
.site-footer p { margin: 0 0 .8rem; line-height: 1.6; }
.site-footer a { color: #f3c9a8; }
.site-footer a:hover { color: var(--white); }
.footer-legal h2 { font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: #9a8f7e; margin: 0 0 .75rem; font-weight: 600; }
.footer-legal ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.footer-bottom { padding-top: 1.25rem; display: flex; flex-wrap: wrap; justify-content: center; text-align: center; gap: .5rem 1.5rem; color: #9a8f7e; font-size: .82rem; }

/* ---------- Páginas legales ---------- */
.legal-hero { max-width: 50rem; margin: 0 auto; padding: clamp(2rem, 6vw, 3.5rem) var(--gutter) 1rem; }
.legal-hero h1 { font-family: var(--font-serif); font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.1; margin: 0 0 .75rem; letter-spacing: -.02em; }
.legal-hero p { color: var(--ink-soft); margin: 0; }
.legal-body { max-width: 50rem; margin: 0 auto; padding: 1.5rem var(--gutter) 3.5rem; }
.legal-body h2 { font-family: var(--font-serif); font-size: 1.4rem; line-height: 1.25; margin: 2.25rem 0 .75rem; }
.legal-body p, .legal-body li { color: var(--ink); }
.legal-body ul { padding-left: 1.25rem; }
.legal-body li { margin-bottom: .4rem; }
.placeholder {
  background: #fdeede; border: 1px dashed var(--terracotta); border-radius: 2px;
  padding: 0 .3rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; color: var(--terracotta-dark);
}
.legal-nav { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.legal-nav a {
  display: inline-block; padding: .4rem .8rem; border: 1px solid var(--line); border-radius: 99px;
  text-decoration: none; color: var(--ink-soft); font-size: .875rem; background: var(--white);
}
.legal-nav a[aria-current="page"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.back-link { display: inline-block; margin-top: 2.5rem; font-weight: 600; }

/* ---------- Animaciones ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

.reading-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--terracotta); z-index: 60; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .btn:hover, .btn:hover .arrow { transform: none; }
}

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

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: minmax(0, var(--measure)); }
  .toc { display: none; }
  .article figure.bleed { margin-left: 0; margin-right: 0; }
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .hero-figure { order: -1; }
  .hero-figure img { aspect-ratio: 16 / 10; }
  .hero-figure::before { display: none; }
  .footer-top { grid-template-columns: 1fr; }

  .nav-toggle { display: inline-flex; align-items: center; }
  .main-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--paper); border-bottom: 1px solid var(--line);
    display: none; margin: 0;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; padding: .5rem var(--gutter) 1rem; }
  .main-nav a { display: block; padding: .8rem 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
}

@media (max-width: 520px) {
  body { font-size: 1rem; }
  .brand-logo { height: 34px; }