/* =========================================================
   Urólogo Antofagasta — estilo.css
   Paleta: #000000 #003762 #369fb4 #bebece
   Sidebar: #cce7ec | Fondo: imagenes/fondo.webp fijo
   ========================================================= */

:root{
  --negro:#000000;
  --azul:#003762;
  --turquesa:#369fb4;
  --lavanda:#bebece;
  --sidebar-bg:#cce7ec;
  --blanco:#ffffff;
  --gris-fondo:#f4f6fa;
  --gris-borde:#dfe3ec;
  --gris-texto:#3a4256;

  --sidebar-w:260px;
  --topbar-h:72px;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 6px 24px rgba(0,55,98,.10);
  --shadow-lg:0 12px 40px rgba(0,55,98,.18);
  --transition:.25s ease;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--topbar-h) + 16px)}
body{
  margin:0;
  font-family:var(--font);
  color:var(--gris-texto);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  background-color:var(--gris-fondo);
  background-image:url("imagenes/fondo.webp");
  background-size:cover;
  background-position:center center;
  background-repeat:no-repeat;
  background-attachment:fixed;
}
@supports (-webkit-touch-callout: none){
  body{background-attachment:scroll}
}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul);text-decoration:none}
a:hover{color:var(--turquesa)}
h1,h2,h3{color:var(--azul);line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(1.6rem,3vw,2.4rem)}
h2{font-size:clamp(1.35rem,2.4vw,1.9rem)}
h3{font-size:clamp(1.05rem,1.6vw,1.3rem)}
p{margin:0 0 1em}
ul{list-style:none;padding:0;margin:0}

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

.skip-link{
  position:absolute;top:-100px;left:8px;z-index:9999;
  background:var(--azul);color:#fff;padding:.6rem 1rem;border-radius:var(--radius-sm);
  transition:top .2s ease;
}
.skip-link:focus{top:8px;color:#fff}
:focus-visible{outline:3px solid var(--turquesa);outline-offset:2px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.75rem 1.25rem;border-radius:var(--radius-sm);
  font-weight:600;font-size:.95rem;border:2px solid transparent;
  cursor:pointer;transition:var(--transition);text-align:center;
  font-family:inherit;
}
.btn--primary{background:var(--turquesa);color:#fff;border-color:var(--turquesa)}
.btn--primary:hover{background:var(--azul);border-color:var(--azul);color:#fff}
.btn--ghost{background:transparent;color:var(--azul);border-color:var(--lavanda)}
.btn--ghost:hover{background:var(--lavanda);color:var(--azul)}
.btn--whatsapp{background:#25d366;color:#fff;border-color:#25d366}
.btn--whatsapp:hover{background:#1da851;border-color:#1da851;color:#fff}
.btn--sm{padding:.5rem .9rem;font-size:.85rem}
.link-btn{background:none;border:0;padding:0;color:var(--azul);font:inherit;cursor:pointer;text-decoration:underline}
.link-btn:hover{color:var(--turquesa)}

/* =========================================================
   LAYOUT
   ========================================================= */

/* ---------- Topbar (móvil) ---------- */
.topbar{
  position:sticky;top:0;z-index:900;
  height:var(--topbar-h);
  display:flex;align-items:center;gap:.6rem;
  padding:0 .75rem;
  background:var(--sidebar-bg);
  box-shadow:0 2px 10px rgba(0,55,98,.15);
  border-bottom:1px solid rgba(0,55,98,.08);
}
.topbar__toggle{
  background:transparent;border:0;padding:.5rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.topbar__burger,
.topbar__burger::before,
.topbar__burger::after{
  content:"";display:block;width:24px;height:2px;background:var(--azul);
  position:relative;transition:var(--transition);
}
.topbar__burger::before{position:absolute;top:-8px}
.topbar__burger::after{position:absolute;top:8px}

.topbar__brand{
  display:flex;align-items:center;gap:.6rem;
  text-decoration:none;color:var(--azul);
  min-width:0;flex:1;
}
.topbar__brand:hover{color:var(--azul)}
.topbar__logo{
  display:block;
  height:38px;width:auto;
  flex-shrink:0;
}
.topbar__doctor{
  display:flex;flex-direction:column;
  line-height:1.15;
  min-width:0;
  overflow:hidden;
}
.topbar__doctor strong{
  font-size:.78rem;
  color:var(--azul);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar__doctor span{
  font-size:.7rem;
  color:var(--azul);
  opacity:.85;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

/* ---------- Sidebar (celeste #cce7ec) ---------- */
.sidebar{
  background:var(--sidebar-bg);
  color:var(--azul);
  width:var(--sidebar-w);
  position:fixed;top:0;left:0;bottom:0;
  transform:translateX(-100%);
  transition:transform var(--transition);
  z-index:1000;overflow-y:auto;
  border-right:1px solid rgba(0,55,98,.08);
}
.sidebar.is-open{transform:translateX(0)}
.sidebar__inner{
  padding:1.5rem 1rem 2rem;
  display:flex;flex-direction:column;gap:1.5rem;min-height:100%;
}

.sidebar__brand{
  display:flex;flex-direction:column;align-items:center;gap:1rem;
  padding:.5rem 0 1.25rem;
  border-bottom:1px solid rgba(0,55,98,.12);
}
.sidebar__logo{
  display:flex;align-items:center;justify-content:center;
  width:100%;
}
.sidebar__logo img{
  display:block;
  height:100px;
  width:auto;
  max-width:100%;
}
.sidebar__doctor{
  margin:0;
  text-align:center;
  color:var(--azul);
  line-height:1.4;
}
.sidebar__doctor strong{
  display:block;
  font-size:1rem;
  font-weight:700;
  margin-bottom:.15rem;
}
.sidebar__doctor span{
  display:block;
  font-size:.85rem;
  opacity:.85;
}

.sidebar__close{
  position:absolute;top:.75rem;right:.75rem;
  background:transparent;border:0;color:var(--azul);font-size:2rem;line-height:1;
  cursor:pointer;padding:.25rem .5rem;
}
.sidebar__nav ul{display:flex;flex-direction:column;gap:.25rem}
.sidebar__nav a{
  display:block;padding:.65rem .85rem;border-radius:var(--radius-sm);
  color:var(--azul);font-weight:500;transition:var(--transition);
  border-left:3px solid transparent;
}
.sidebar__nav a:hover,
.sidebar__nav a[aria-current="page"]{
  background:rgba(54,159,180,.22);
  color:var(--azul);
  border-left-color:var(--turquesa);
}
.sidebar__whatsapp{margin-top:auto;width:100%}
.sidebar__overlay{position:fixed;inset:0;background:rgba(0,55,98,.45);z-index:999}
.sidebar__overlay[hidden]{display:none}

.main{
  padding:1.25rem 1rem 3rem;
  max-width:1280px;margin:0 auto;
  outline:none;
}

/* =========================================================
   INDEX — Slider
   ========================================================= */
.slider{
  position:relative;border-radius:var(--radius);overflow:hidden;
  margin-bottom:2rem;box-shadow:var(--shadow);background:var(--azul);
}
.slider__track{
  display:flex;overflow-x:auto;scroll-snap-type:x mandatory;
  scroll-behavior:smooth;scrollbar-width:none;
}
.slider__track::-webkit-scrollbar{display:none}
.slider__slide{flex:0 0 100%;scroll-snap-align:start;position:relative;min-height:280px}
.slider__slide img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/7}
.slider__caption{
  position:absolute;inset:auto 0 0 0;
  background:linear-gradient(to top,rgba(0,0,0,.75),transparent);
  color:#fff;padding:2.5rem 1.25rem 1.25rem;
}
.slider__caption h2{color:#fff;margin:0 0 .25rem;font-size:clamp(1.2rem,2.5vw,1.8rem)}
.slider__caption p{margin:0;opacity:.95;font-size:.95rem}
.slider__nav{
  position:absolute;top:50%;transform:translateY(-50%);
  background:rgba(0,0,0,.4);color:#fff;border:0;
  width:42px;height:42px;border-radius:50%;font-size:1.6rem;line-height:1;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:var(--transition);
}
.slider__nav:hover{background:var(--turquesa)}
.slider__nav--prev{left:.75rem}
.slider__nav--next{right:.75rem}
.slider__dots{position:absolute;bottom:.75rem;left:50%;transform:translateX(-50%);display:flex;gap:.5rem}
.slider__dots button{
  width:10px;height:10px;border-radius:50%;border:0;
  background:rgba(255,255,255,.5);cursor:pointer;padding:0;transition:var(--transition);
}
.slider__dots button.is-active{background:#fff;transform:scale(1.2)}

.welcome{
  display:grid;gap:1.5rem;align-items:center;
  padding:1.5rem;border-radius:var(--radius);
  margin-bottom:2rem;
}
.welcome__media img{border-radius:var(--radius-sm);box-shadow:var(--shadow)}

.section-title{margin:0 0 1rem;text-align:center}
.cta-grid{margin-bottom:2rem}
.cta-grid__items{
  display:grid;gap:1rem;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
}
.cta-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);color:var(--gris-texto);
  display:flex;flex-direction:column;
  transition:transform var(--transition),box-shadow var(--transition);
}
.cta-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);color:var(--gris-texto)}
.cta-card img{aspect-ratio:4/3;object-fit:cover}
.cta-card h3{padding:1rem 1rem 0;margin:0;color:var(--azul)}
.cta-card p{padding:0 1rem;margin:.5rem 0;font-size:.9rem}
.cta-card__more{
  padding:.75rem 1rem 1rem;color:var(--turquesa);font-weight:600;font-size:.9rem;margin-top:auto;
}

.trust{
  display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  background:var(--azul);color:#fff;border-radius:var(--radius);padding:1.5rem 1rem;text-align:center;
}
.trust__item strong{display:block;font-size:1.25rem;color:var(--turquesa)}
.trust__item span{font-size:.85rem;opacity:.9}

/* =========================================================
   PÁGINAS ÍNDICE — hero de sección + maestro-detalle
   ========================================================= */

.section-hero{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  margin-bottom:1.5rem;
  box-shadow:var(--shadow);
  background:var(--azul);
}
.section-hero__img{
  width:100%;
  height:clamp(160px, 22vw, 260px);
  object-fit:cover;
  display:block;
}
.section-hero__overlay{
  position:absolute;
  inset:auto 0 0 0;
  padding:1.25rem 1.5rem 1rem;
  background:linear-gradient(to top,
              rgba(0,55,98,.92) 0%,
              rgba(0,55,98,.45) 55%,
              transparent 100%);
  color:#fff;
}
.section-hero__title{
  color:#fff;
  margin:0 0 .25rem;
  font-size:clamp(1.3rem,2.4vw,1.8rem);
  text-shadow:0 2px 8px rgba(0,0,0,.4);
}
.section-hero__lead{
  margin:0;
  font-size:clamp(.9rem,1.3vw,1rem);
  max-width:75ch;
  color:#fff;
  text-shadow:0 1px 4px rgba(0,0,0,.45);
}

.md{
  display:grid;
  gap:1.5rem;
  margin-bottom:2rem;
  align-items:start;
}
.md__index{
  border-radius:var(--radius);
  padding:1rem;
}
.md__index-title{
  font-size:.8rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--azul);
  margin:0 0 .75rem;
  font-weight:700;
}
.md__select-wrap{display:block}
.md__select{
  width:100%;
  padding:.75rem .9rem;
  border:1.5px solid var(--gris-borde);
  border-radius:var(--radius-sm);
  font:inherit;font-size:.95rem;
  color:var(--azul);font-weight:600;
  background:#fff;cursor:pointer;
}
.md__select:focus{
  border-color:var(--turquesa);outline:none;
  box-shadow:0 0 0 3px rgba(54,159,180,.18);
}
.md__list{display:none}

.md__content{min-width:0}
.md__panel{outline:none}
.md__panel[hidden]{display:none}

/* ---------- Item box ---------- */
.item-box{
  border-radius:var(--radius);
  padding:1.5rem;
}
.item-box + .item-box{margin-top:1.25rem}

.item-box__grid{
  display:grid;
  gap:1.5rem;
  align-items:start;
}
.item-box__text h2{
  margin:0 0 .75rem;
  color:var(--azul);
  font-size:clamp(1.15rem,2vw,1.45rem);
  font-weight:700;
  line-height:1.25;
}
.item-box__text p:last-child{margin-bottom:0}
.item-box__media img{
  width:100%;
  border-radius:var(--radius-sm);
  aspect-ratio:4/3;
  object-fit:cover;
  box-shadow:var(--shadow);
}

/* Subtítulo dentro del item-box */
.item-box__sub{
  margin:1.25rem 0 .5rem;
  color:var(--azul);
  font-size:clamp(1rem,1.5vw,1.15rem);
  font-weight:700;
}
.item-box__sub:first-child{margin-top:0}

/* Listas dentro del item-box */
.item-box__list{
  list-style:disc;
  padding-left:1.25rem;
  margin:.25rem 0 1rem;
}
.item-box__list li{margin-bottom:.35rem}
.item-box__list li:last-child{margin-bottom:0}
.item-box__label{
  font-weight:600;
  color:var(--azul);
  margin:.75rem 0 .35rem;
}

/* Tabla de precios dentro del item-box */
.item-box__prices{
  width:100%;
  border-collapse:collapse;
  margin-top:.75rem;
  font-size:.95rem;
}
.item-box__prices th,
.item-box__prices td{
  padding:.6rem .75rem;
  border-bottom:1px solid var(--gris-borde);
  text-align:left;
}
.item-box__prices th{
  font-weight:600;
  color:var(--azul);
}
.item-box__prices td{
  text-align:right;
  font-variant-numeric:tabular-nums;
  color:var(--gris-texto);
  white-space:nowrap;
}
.item-box__prices tr:last-child th,
.item-box__prices tr:last-child td{
  border-bottom:0;
}
.item-box__prices tr:hover{
  background:rgba(54,159,180,.06);
}

@media (min-width:768px){
  .item-box__grid{
    grid-template-columns:3fr 2fr;
    gap:2rem;
  }
}

@media (min-width:992px){
  .md{grid-template-columns:240px 1fr;gap:2rem}
  .md__index{
    position:sticky;
    top:1rem;
    max-height:calc(100vh - 2rem);
    overflow-y:auto;
  }
  .md__select-wrap{display:none}
  .md__list{display:flex;flex-direction:column;gap:.35rem}

  .md__btn{
    width:100%;text-align:left;
    background:transparent;border:0;
    border-left:3px solid transparent;
    padding:.7rem .85rem;border-radius:var(--radius-sm);
    color:var(--azul);font:inherit;
    font-weight:500;font-size:.95rem;
    cursor:pointer;transition:var(--transition);
    line-height:1.35;
  }
  .md__btn:hover{
    background:rgba(54,159,180,.12);
    border-left-color:var(--turquesa);
  }
  .md__btn.is-active,
  .md__btn[aria-selected="true"]{
    background:rgba(54,159,180,.22);
    border-left-color:var(--turquesa);
    font-weight:700;
  }
}

@media (max-width:991px){
  .md__index{
    position:sticky;
    top:var(--topbar-h);
    z-index:50;
    padding:.75rem;
  }
}

/* Cajas semitransparentes */
.md__index,
.item-box,
.content-block,
.feature-row,
.welcome,
.card{
  background:rgba(255,255,255,0.5);
  border:1px solid rgba(0,55,98,0.5);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
}

/* =========================================================
   FOOTER (3:6:3 en desktop)
   ========================================================= */
.site-footer{background:var(--azul);color:#dbe6f0;margin-top:3rem}
.site-footer__grid{
  max-width:1280px;margin:0 auto;padding:2rem 1rem;
  display:grid;gap:2rem;grid-template-columns:1fr;
}
.site-footer h2{
  color:var(--turquesa);font-size:1rem;text-transform:uppercase;
  letter-spacing:.06em;margin:0 0 .75rem;
}
.site-footer__list li{margin-bottom:.5rem;font-size:.9rem}
.site-footer a{color:#fff}
.site-footer a:hover{color:var(--turquesa)}
.site-footer__map iframe{width:100%;height:260px;border:0;border-radius:var(--radius-sm)}
.site-footer__notice{font-size:.8rem;opacity:.8;margin-top:1rem}
.site-footer__bottom{
  border-top:1px solid rgba(255,255,255,.15);
  padding:1rem;text-align:center;font-size:.85rem;
}
.site-footer__bottom p{margin:.25rem 0}

.whatsapp-fab{
  position:fixed;bottom:1rem;right:1rem;z-index:950;
  width:56px;height:56px;border-radius:50%;
  background:#25d366;color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(37,211,102,.5);
  transition:var(--transition);
}
.whatsapp-fab:hover{transform:scale(1.08);color:#fff}

/* =========================================================
   MODAL WHATSAPP
   ========================================================= */
.wa-modal{
  position:fixed;inset:0;z-index:3000;
  display:flex;align-items:center;justify-content:center;
  padding:1rem;
}
.wa-modal[hidden]{display:none}
.wa-modal__backdrop{
  position:absolute;inset:0;background:rgba(0,55,98,.55);
  backdrop-filter:blur(2px);
}
.wa-modal__panel{
  position:relative;z-index:1;
  background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
  width:min(560px,100%);max-height:92vh;overflow-y:auto;
  padding:1.5rem;
  animation:waIn .2s ease;
}
@keyframes waIn{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:translateY(0)}
}
.wa-modal__close{
  position:absolute;top:.5rem;right:.75rem;
  background:transparent;border:0;font-size:2rem;line-height:1;
  color:var(--azul);cursor:pointer;padding:.25rem .5rem;
}
.wa-modal__title{margin:0 0 1rem;font-size:1.2rem;padding-right:2rem}

.wa-modal__notice{
  background:#fff5e6;
  border-left:4px solid #e6a100;
  color:#5a3d00;
  padding:.75rem 1rem;
  border-radius:var(--radius-sm);
  font-size:.9rem;
  margin-bottom:1rem;
  line-height:1.5;
}
.wa-modal__notice strong{color:#8a5a00}

.wa-form__field{display:flex;flex-direction:column;margin-bottom:.9rem}
.wa-form__field label{font-size:.9rem;font-weight:600;color:var(--azul);margin-bottom:.3rem}
.wa-form__field input[type="text"],
.wa-form__field input[type="email"],
.wa-form__field input[type="tel"]{
  padding:.65rem .75rem;border:1.5px solid var(--gris-borde);
  border-radius:var(--radius-sm);font:inherit;font-size:.95rem;
  color:var(--gris-texto);background:#fff;transition:var(--transition);
}
.wa-form__field input:focus{
  border-color:var(--turquesa);outline:none;
  box-shadow:0 0 0 3px rgba(54,159,180,.18);
}
.wa-form__field input[aria-invalid="true"]{border-color:#c62828}

.wa-form__error{color:#c62828;font-size:.8rem;margin-top:.25rem}
.wa-form__error[hidden]{display:none}

.wa-form__consent{
  display:flex;gap:.6rem;align-items:flex-start;
  font-size:.85rem;color:var(--gris-texto);
  margin:.5rem 0 .75rem;line-height:1.5;cursor:pointer;
}
.wa-form__consent input{margin-top:.25rem;accent-color:var(--turquesa);flex-shrink:0}
.wa-form__consent a{color:var(--azul);text-decoration:underline}

.wa-form__actions{
  display:flex;gap:.6rem;justify-content:flex-end;margin-top:1rem;flex-wrap:wrap;
}

/* =========================================================
   BANNER DE COOKIES
   ========================================================= */
.cookie-banner{
  position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:2000;
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);
  padding:1.25rem;max-width:720px;margin:0 auto;
  border-top:4px solid var(--turquesa);
}
.cookie-banner[hidden]{display:none}
.cookie-banner__title{margin:0 0 .5rem;font-size:1.1rem}
.cookie-banner__text{font-size:.9rem;margin:0 0 1rem}
.cookie-banner__actions{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end}
.cookie-config{margin-top:1rem;border-top:1px solid var(--gris-borde);padding-top:1rem}
.cookie-config h3{margin:0 0 .75rem;font-size:1rem}
.cookie-config__item{display:flex;gap:.75rem;align-items:flex-start;padding:.6rem 0;border-bottom:1px solid var(--gris-borde);cursor:pointer}
.cookie-config__item input{margin-top:.35rem;accent-color:var(--turquesa)}
.cookie-config__item strong{display:block;color:var(--azul)}
.cookie-config__item small{display:block;font-size:.8rem;color:var(--gris-texto)}
.cookie-config__actions{margin-top:1rem;text-align:right}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (min-width:992px){
  .topbar{display:none}
  .sidebar{transform:none;box-shadow:2px 0 12px rgba(0,55,98,.06)}
  .sidebar__close{display:none}
  .sidebar__overlay{display:none !important}
  body{padding-left:var(--sidebar-w)}
  .main{padding:2rem 2rem 4rem}
  .welcome{grid-template-columns:1.2fr 1fr;padding:2rem}
  .slider__slide{min-height:420px}
  .cookie-banner{left:calc(var(--sidebar-w) + 1rem)}

  .site-footer__grid{
    grid-template-columns:3fr 6fr 3fr;
    align-items:start;
  }
}

@media (max-width:991px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.is-open{transform:translateX(0)}
  body.has-sidebar-open{overflow:hidden}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}