/* ==========================================================================
   Sanatorio Ushuaia — Hoja de estilos principal
   Tratamiento plano e institucional (referencia: Mayo Clinic / Cleveland
   Clinic) — tipografía con jerarquía clara, bordes finos en vez de sombras,
   un solo azul de acento. Paleta de azules alineada al manual de SANOS
   Salud (Grupo TN) a falta de un manual propio del sanatorio.
   ========================================================================== */

:root {
  --color-ink: #141a2b;
  --color-text: #2a3042;
  --color-muted: #5b6275;
  --color-blue: #2f5597;
  --color-blue-hover: #234173;
  --color-blue-dark: #0c122d;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f5f7;
  --color-border: #dadce3;
  --color-border-strong: #b7bcc9;
  --color-success: #1a7a4c;
  --color-warning: #8a5a00;
  --color-warning-bg: #fbf1dc;

  --font-heading: 'Libre Franklin', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Source Sans 3', 'Helvetica Neue', Arial, sans-serif;

  --container-w: 1180px;
  --radius: 3px;
  --radius-md: 4px;
  --header-h: 84px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
img { max-width: 100%; display: block; }
svg { width: 1em; height: 1em; display: inline-block; vertical-align: -0.15em; flex-shrink: 0; }
a { color: var(--color-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
nav a, .brand, .btn, .card, .quick-link, .footer-col a, .related-list a { text-decoration: none; }
nav a:hover, .footer-col a:hover, .related-list a:hover { text-decoration: underline; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-ink);
  line-height: 1.22;
  margin: 0 0 .55em;
  font-weight: 700;
  text-wrap: balance;
}
h1 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.4rem, 2.4vw, 1.7rem); }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
.lead { font-size: 1.08rem; color: var(--color-muted); max-width: 62ch; }
:focus-visible { outline: 2px solid var(--color-blue); outline-offset: 2px; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}
section { padding: 56px 0; }
.section-tight { padding: 36px 0; }
.section-soft { background: var(--color-bg-alt); }
.section-tint { background: var(--color-bg-alt); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: .8em;
}
.section-head { max-width: 680px; margin: 0 0 32px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: .92rem;
  padding: 11px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .12s ease, border-color .12s ease, color .12s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--color-blue); color: #fff; border-color: var(--color-blue); }
.btn-primary:hover { background: var(--color-blue-hover); border-color: var(--color-blue-hover); text-decoration: none; }
.btn-outline { background: transparent; border-color: var(--color-border-strong); color: var(--color-blue-dark); }
.btn-outline:hover { background: var(--color-bg-alt); border-color: var(--color-blue-dark); text-decoration: none; }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn-block { width: 100%; justify-content: center; }
.btn svg { width: 17px; height: 17px; flex: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Site state badges (Preapertura / Atención operativa) ---------- */
[data-show-on="operativa"] { display: none; }
html:not(.js) [data-show-on="operativa"] { display: none; }
.u-hidden { display: none !important; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand-word {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -.01em;
  color: var(--color-ink);
}
.brand-word-light { color: #fff; }

.nav-main { display: flex; align-items: center; gap: 2px; }
.nav-main a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: .93rem;
  color: var(--color-text);
  padding: 9px 13px;
  border-radius: var(--radius);
}
.nav-main a:hover { background: var(--color-bg-alt); text-decoration: none; }
.nav-main a[aria-current="page"] { color: var(--color-blue); box-shadow: inset 0 -2px 0 var(--color-blue); }

.nav-actions { display: flex; align-items: center; gap: 10px; flex: none; }
.nav-cta-mobile { display: none; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--color-blue-dark); }

/* ---------- Plain page header (inner pages) ---------- */
.page-header {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 28px 0 32px;
}
.page-header h1 { margin-bottom: .3em; }
.page-header .lead { margin: 0; max-width: 72ch; }
.breadcrumbs { font-size: .83rem; color: var(--color-muted); margin-bottom: 14px; }
.breadcrumbs a { color: var(--color-muted); }
.breadcrumbs a:hover { color: var(--color-blue); }
.breadcrumbs .crumb-sep { margin: 0 7px; opacity: .6; }

/* ---------- Home hero ---------- */
.home-hero { padding: 40px 0 0; border-bottom: 1px solid var(--color-border); }
.home-hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; padding-bottom: 36px; }
.home-hero-text h1 { margin-bottom: .4em; }
.home-hero-media { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 4/3; }
.home-hero-media img { width: 100%; height: 100%; object-fit: cover; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  margin: 0;
  padding: 18px 0;
  border-top: 1px solid var(--color-border);
}
.hero-stats dt { font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem; color: var(--color-ink); }
.hero-stats dd { margin: 0; font-size: .85rem; color: var(--color-muted); }

/* ---------- Quick links ---------- */
.quick-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--color-border);
  border-top: none;
  margin-top: 0;
}
.quick-link {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 20px;
  border-right: 1px solid var(--color-border);
  color: var(--color-text);
}
.quick-link:last-child { border-right: none; }
.quick-link:hover { background: var(--color-bg-alt); text-decoration: none; }
.quick-link .ico { color: var(--color-blue); flex: none; }
.quick-link .ico svg { width: 22px; height: 22px; }
.quick-link strong { display: block; font-family: var(--font-heading); font-size: .92rem; }
.quick-link > span > span { font-size: .8rem; color: var(--color-muted); }

/* ---------- Grids & Cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color .12s ease;
}
.card:hover { border-color: var(--color-border-strong); }
.card-icon { color: var(--color-blue); margin-bottom: 14px; }
.card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: .4em; }
.card p { color: var(--color-muted); font-size: .95rem; margin-bottom: 1em; }
.card-link { font-family: var(--font-heading); font-weight: 700; font-size: .87rem; color: var(--color-blue); display: inline-flex; align-items: center; gap: 5px; }
.card-link:hover { text-decoration: underline; }
.card-link svg { width: 15px; height: 15px; }

/* ---------- Photo card (caption below image, not overlaid) ---------- */
.photo-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.photo-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.photo-card figcaption {
  padding: 10px 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: .86rem;
  color: var(--color-ink);
  border-top: 1px solid var(--color-border);
}

/* ---------- Content figure (inline supporting image) ---------- */
.content-figure { margin: 0; }
.content-figure img {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.content-figure figcaption {
  margin-top: 10px;
  font-size: .83rem;
  color: var(--color-muted);
}
.banner-figure { margin-top: 28px; }
.banner-figure img { aspect-ratio: 21/8; }
@media (max-width: 760px) { .banner-figure img { aspect-ratio: 4/3; } }

/* ---------- Split sections ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.split.reverse .content-figure { order: -1; }

/* ---------- Plain list / plain card ---------- */
.plain-list { margin: 16px 0 24px; }
.plain-list li {
  padding: 10px 0 10px 20px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  font-weight: 600;
  color: var(--color-ink);
}
.plain-list li::before { content: "—"; position: absolute; left: 0; color: var(--color-blue); }
.plain-list li:last-child { border-bottom: none; }

.plain-card {
  display: flex; gap: 14px; align-items: flex-start;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}
.plain-card-ico { color: var(--color-blue); flex: none; margin-top: 2px; }
.plain-card-ico svg { width: 22px; height: 22px; }
.plain-card strong { font-family: var(--font-heading); display: block; margin-bottom: 2px; }
.plain-card p { margin: 0; font-size: .9rem; color: var(--color-muted); }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 18px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-family: var(--font-heading); font-weight: 700;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--color-blue); flex: none; font-weight: 400; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding-bottom: 18px; color: var(--color-muted); max-width: 680px; }

/* ---------- Tables (coberturas) ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--color-border); font-size: .93rem; }
thead th { font-family: var(--font-heading); background: var(--color-bg-alt); color: var(--color-ink); font-weight: 700; }
tbody tr:last-child td { border-bottom: none; }
.badge-ok { display: inline-flex; align-items: center; gap: 5px; color: var(--color-success); font-weight: 700; font-size: .84rem; }
.badge-ok svg { width: 14px; height: 14px; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field.full { grid-column: 1 / -1; }
label { font-family: var(--font-heading); font-size: .84rem; font-weight: 700; color: var(--color-ink); }
input, select, textarea {
  font-family: var(--font-body); font-size: .95rem;
  padding: 11px 13px; border: 1px solid var(--color-border-strong); border-radius: var(--radius);
  background: #fff; color: var(--color-text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--color-blue); box-shadow: 0 0 0 3px rgba(47,85,151,.14); }
textarea { resize: vertical; min-height: 120px; }
.field .error { font-size: .8rem; color: #b3261e; display: none; }
.field.invalid input, .field.invalid textarea { border-color: #b3261e; }
.field.invalid .error { display: block; }
.form-note { font-size: .82rem; color: var(--color-muted); margin-top: 10px; }
.form-success {
  display: none; background: #eef7f1; border: 1px solid #b9ddc4; color: var(--color-success);
  padding: 14px 16px; border-radius: var(--radius); font-size: .9rem; margin-bottom: 16px;
}
.form-success.visible { display: block; }

/* ---------- Contact blocks ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.contact-item .ico { color: var(--color-blue); flex: none; margin-top: 2px; }
.contact-item .ico svg { width: 20px; height: 20px; }
.contact-item strong { display: block; font-family: var(--font-heading); margin-bottom: 1px; }
.contact-item span, .contact-item a { color: var(--color-muted); font-size: .95rem; }
.contact-item a:hover { color: var(--color-blue); }
.map-frame { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); }
.map-frame iframe { width: 100%; height: 100%; min-height: 360px; border: 0; }

/* ---------- CTA panel ---------- */
.cta-panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-blue);
  padding: 32px 36px;
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
}
.cta-panel h2 { margin-bottom: .2em; }
.cta-panel p { margin: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-blue-dark); color: #aab1c7; padding-top: 52px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand .brand-word { display: inline-block; margin-bottom: 14px; }
.footer-col h4 { color: #fff; font-size: .82rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { color: #aab1c7; }
.footer-col a:hover { color: #fff; }
.footer-group-logos { display: flex; gap: 16px; margin-top: 16px; flex-wrap: wrap; }
.footer-group-logos span { font-family: var(--font-heading); font-weight: 700; color: #6b7290; font-size: .85rem; letter-spacing: .03em; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding: 20px 0; font-size: .8rem; color: #6b7290;
}
.footer-bottom a { color: #6b7290; }
.footer-bottom a:hover { color: #fff; }
.social-row { display: flex; gap: 10px; }
.social-row a { width: 32px; height: 32px; border: 1px solid rgba(255,255,255,.18); display: flex; align-items: center; justify-content: center; color: #aab1c7; }
.social-row a:hover { border-color: #fff; color: #fff; }
.social-row svg { width: 15px; height: 15px; }

/* ---------- Service directory filters ---------- */
.filter-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-chip {
  font-family: var(--font-heading); font-size: .85rem; font-weight: 600;
  padding: 8px 15px; border-radius: var(--radius); border: 1px solid var(--color-border-strong);
  background: #fff; cursor: pointer; color: var(--color-text);
}
.filter-chip.active { background: var(--color-blue-dark); color: #fff; border-color: var(--color-blue-dark); }
.filter-chip:not(.active):hover { background: var(--color-bg-alt); }

/* ---------- Service detail page ---------- */
.service-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.meta-pill { display: inline-flex; align-items: center; gap: 6px; background: var(--color-bg-alt); border: 1px solid var(--color-border); color: var(--color-ink); padding: 6px 13px; border-radius: var(--radius); font-size: .83rem; font-weight: 600; }
.meta-pill svg { width: 15px; height: 15px; }
.service-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 44px; align-items: start; }
.sidebar-card { background: var(--color-bg-alt); border: 1px solid var(--color-border); padding: 22px; position: sticky; top: 100px; }
.sidebar-card h4 { font-size: .92rem; margin-bottom: 12px; }
.related-list a { display: block; padding: 9px 0; border-bottom: 1px solid var(--color-border); font-size: .9rem; color: var(--color-text); }
.related-list li:last-child a { border-bottom: none; }
.related-list a:hover { color: var(--color-blue); }

/* ---------- Feature list (bullet rows with icon) ---------- */
.feature-list { margin-top: 18px; }
.feature-list li { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--color-border); }
.feature-list li:last-child { border-bottom: none; }
.feature-list .ico { color: var(--color-blue); flex: none; margin-top: 2px; }
.feature-list .ico svg { width: 17px; height: 17px; }

/* ---------- Badges ---------- */
.badge-soon { display: inline-block; background: var(--color-warning-bg); border: 1px solid #ead9b0; color: var(--color-warning); font-size: .76rem; font-weight: 700; padding: 3px 10px; border-radius: var(--radius); }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.muted { color: var(--color-muted); }
.divider { height: 1px; background: var(--color-border); margin: 40px 0; border: none; }
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--color-blue); color: #fff;
  padding: 10px 16px; z-index: 999;
}
.skip-link:focus { left: 0; }
figure { margin: 0; }
details > summary { outline-offset: 4px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .home-hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .home-hero-media { aspect-ratio: 16/9; order: -1; }
  .quick-links { grid-template-columns: repeat(2, 1fr); }
  .quick-link { border-bottom: 1px solid var(--color-border); }
  .quick-link:nth-child(2n) { border-right: none; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .split.reverse .content-figure { order: -1; }
  .service-layout { grid-template-columns: 1fr; }
  .sidebar-card { position: static; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .brand-word { font-size: 1.3rem; }
  .nav-main { display: none; }
  .nav-toggle { display: flex; }
  .nav-actions .btn-outline, .nav-actions .btn-primary { display: none; }
  body[data-nav-open="true"] .nav-main {
    display: flex; flex-direction: column; align-items: stretch;
    position: fixed; inset: var(--header-h) 0 0 0; background: #fff;
    padding: 18px 24px; gap: 2px; z-index: 90; overflow-y: auto;
  }
  body[data-nav-open="true"] .nav-main a { padding: 14px; font-size: 1.05rem; }
  .nav-cta-mobile { flex-direction: column; gap: 10px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--color-border); }
  .nav-cta-mobile .btn { justify-content: center; }
  body[data-nav-open="true"] .nav-cta-mobile { display: flex; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .quick-links { grid-template-columns: 1fr; }
  .quick-link { border-right: none; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .cta-panel { padding: 24px; flex-direction: column; align-items: flex-start; }
  section { padding: 40px 0; }
  .hero-stats { gap: 20px; }
}