/* Oasis Dental CR — paleta y tipografía extraídas del sitio original de Wix.
   Layout de franjas anchas (#ADBDD6) con tarjetas blancas redondeadas. */
:root {
  --text: #526684;
  --heading-dark: #16315B;
  --bg: #FCFCFC;
  --band: #ADBDD6;
  --white: #FFFFFF;
  --radius: 20px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* Idiomas: html[data-lang] decide qué versión se ve */
html[data-lang="es"] .lang-en { display: none !important; }
html[data-lang="en"] .lang-es { display: none !important; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.wide { max-width: 1500px; margin: 0 auto; padding: 0 40px; }

/* ---- Animaciones de aparición (scroll reveal) ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s cubic-bezier(.2,.65,.3,1), transform .8s cubic-bezier(.2,.65,.3,1);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---- Top bar ---- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 40px;
  background: rgba(252,252,252,.92);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 0 rgba(82,102,132,.08);
}
/* logo-wordmark.png viene recortado al ras de la marca (el logo.png original es
   cuadrado y 96% transparente: se veía diminuto y estiraba el topbar). Se
   dimensiona por ALTO, que es lo que define qué tan grande se percibe. */
.topbar .logo img { height: 54px; width: auto; transition: transform .3s; }
.topbar .logo:hover img { transform: scale(1.06); }
.topbar-right { display: flex; gap: 12px; align-items: center; }
.topbar .actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* Al saltar a una sección, el topbar sticky no debe taparle el título.
   --nav-h la mide main.js: el alto del topbar cambia según breakpoint. */
section[id] { scroll-margin-top: calc(var(--nav-h, 132px) + 14px); }

/* ---- Menú principal ---- */
.mainnav { display: flex; gap: 26px; align-items: center; }
.mainnav a {
  position: relative;
  padding: 6px 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
  transition: color .25s;
}
.mainnav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--heading-dark);
  transition: width .28s;
}
.mainnav a:hover { color: var(--heading-dark); }
.mainnav a:hover::after,
.mainnav a.active::after { width: 100%; }
.mainnav a.active { color: var(--heading-dark); }

/* Botón hamburguesa (solo móvil) */
.nav-toggle { display: none; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Selector de idioma */
.lang-switch {
  display: flex;
  border: 1px solid var(--text);
  border-radius: 50px;
  overflow: hidden;
  font-size: 11px;
  font-weight: 600;
}
.lang-switch button {
  border: none;
  background: transparent;
  color: var(--text);
  padding: 8px 14px;
  cursor: pointer;
  font: inherit;
  letter-spacing: 1px;
  transition: background .25s, color .25s;
}
.lang-switch button.active { background: var(--text); color: var(--white); }

/* ---- Botones pill ---- */
.btn {
  display: inline-block;
  padding: 11px 28px;
  border: 1px solid var(--text);
  border-radius: 50px;
  background: var(--bg);
  color: #000;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .25s, color .25s, transform .25s, box-shadow .25s;
}
.btn:hover {
  background: var(--text);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(22,49,91,.18);
}
.btn-solid { background: var(--text); color: var(--white); border-color: var(--band); }
.btn-solid:hover { background: var(--heading-dark); }

/* Botones de ícono (WhatsApp / teléfono). En escritorio son círculos con solo
   el ícono — el texto ensanchaba el topbar y hacía saltar los botones de línea.
   El nombre accesible lo da el aria-label del enlace. */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--text);
}
.btn-icon .ico { width: 20px; height: 20px; fill: currentColor; flex: none; }
.btn-icon .btn-label { display: none; }
.btn-icon:hover { color: var(--white); }

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero .bg {
  position: absolute; inset: 0;
  background: url('../img/hero.jpg') center 35%/cover no-repeat;
  animation: heroZoom 18s ease-out forwards;
}
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(252,252,252,.93) 0%, rgba(252,252,252,.62) 45%, rgba(252,252,252,.04) 100%);
}
.hero .container { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(40px, 5.2vw, 64px);
  font-weight: 400;
  color: var(--text);
  line-height: 1.12;
  max-width: 600px;
}
.hero p { margin: 22px 0 34px; font-size: 20px; max-width: 460px; }

/* Entrada del hero al cargar */
.hero .container > * { opacity: 0; transform: translateY(26px); animation: rise .9s cubic-bezier(.2,.65,.3,1) forwards; }
.hero .container > *:nth-child(2) { animation-delay: .18s; }
.hero .container > *:nth-child(3) { animation-delay: .36s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ---- Franja de servicios (como el original: banda #ADBDD6 ancha) ---- */
.band {
  background: var(--band);
  padding: 90px 0 110px;
}
.band-title {
  font-size: clamp(48px, 6.4vw, 88px);
  font-weight: 400;
  line-height: 1.06;
  color: var(--heading-dark);
  margin-bottom: 64px;
}
.band-title .light { color: var(--bg); }

/* Tarjeta blanca + imagen a sangre */
.svc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: stretch;
}
.svc-row + .svc-row { margin-top: 72px; }
.svc-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 52px 48px;
  box-shadow: 0 18px 44px rgba(22,49,91,.10);
}
.svc-row .media {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
}
.svc-row .media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s cubic-bezier(.2,.65,.3,1);
}
.svc-row .media:hover img { transform: scale(1.05); }
.svc-card h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.svc-card .btn { margin-top: 26px; }

/* ---- Acordeones ---- */
.accordions details { border-bottom: 1px solid rgba(82,102,132,.35); }
.accordions summary {
  list-style: none;
  cursor: pointer;
  font-size: 26px;
  font-weight: 400;
  padding: 13px 30px 13px 0;
  position: relative;
  transition: color .25s, padding-left .25s;
}
.accordions summary:hover { color: var(--heading-dark); padding-left: 6px; }
.accordions summary::-webkit-details-marker { display: none; }
.accordions summary::after {
  content: '\2304';
  position: absolute;
  right: 4px; top: 9px;
  font-size: 20px;
  transition: transform .3s;
}
.accordions details[open] summary::after { transform: rotate(180deg) translateY(-6px); }
.accordions .acc-body { padding: 4px 0 24px; font-size: 15px; }
.accordions .acc-body p { margin-bottom: 14px; }
.accordions .acc-body ul { list-style: disc; margin: 0 0 14px 22px; }
.accordions .acc-body li { font-size: 15px; padding: 3px 0; }
.accordions .acc-body b { font-weight: 700; }
/* Apertura animada del acordeón */
.accordions .acc-wrap { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s cubic-bezier(.2,.65,.3,1); }
.accordions details[open] .acc-wrap { grid-template-rows: 1fr; }
.accordions .acc-wrap > .acc-body { overflow: hidden; }

/* ---- Sección de título centrado (doctores / reseñas) ---- */
section { padding: 84px 0; }
.section-title {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 400;
  line-height: 1.1;
  color: var(--text);
  text-align: center;
  margin-bottom: 26px;
}
.section-title .accent { color: var(--heading-dark); }

/* ---- Doctores ---- */
.doctors { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 52px; }
.doctor { text-align: center; }
.doctor .photo {
  width: min(380px, 80%);
  aspect-ratio: 1/1;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 26px;
  box-shadow: 0 18px 40px rgba(22,49,91,.16);
}
.doctor .photo img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: top;
  transition: transform .8s cubic-bezier(.2,.65,.3,1);
}
.doctor .photo:hover img { transform: scale(1.07); }
.doctor h3 { font-size: 32px; font-weight: 400; margin-bottom: 4px; color: var(--heading-dark); }
.doctor .role { font-weight: 700; font-size: 15px; margin-bottom: 14px; }
.doctor p { font-size: 15px; max-width: 430px; margin: 0 auto; }

/* ---- Tratamientos especiales ---- */
.treatment {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 440px;
  margin-top: 52px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 18px 44px rgba(22,49,91,.12);
}
.treatment .photo { background-size: cover; background-position: center; min-height: 320px; transition: transform .8s; }
.treatment .info {
  background: var(--text);
  color: var(--white);
  padding: 56px 52px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}
.treatment .info h3 { font-size: 32px; font-weight: 400; line-height: 1.2; }
.treatment .info p { font-size: 15px; opacity: .92; }
.treatment .info .btn { align-self: flex-start; background: transparent; color: var(--white); border-color: var(--band); }
.treatment .info .btn:hover { background: var(--white); color: var(--text); }

/* ---- Testimonios ---- */
.reviews { background: var(--white); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; margin-top: 52px; }
.review {
  text-align: center;
  padding: 36px 28px;
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: 0 10px 30px rgba(22,49,91,.07);
  transition: transform .35s, box-shadow .35s;
}
.review:hover { transform: translateY(-6px); box-shadow: 0 22px 44px rgba(22,49,91,.13); }
.review blockquote { font-size: 19px; line-height: 1.5; margin-bottom: 22px; }
.review cite { font-style: normal; font-weight: 700; font-size: 15px; }

/* ---- CTA final ---- */
.cta {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  background: url('../img/cta-smile.jpg') center/cover no-repeat fixed;
}
@media (max-width: 1024px) { .cta { background-attachment: scroll; } }

/* Con los botones de acción en formato ícono el topbar ya no se aprieta; solo
   el menú necesita compactarse un poco en pantallas medianas. */
@media (min-width: 901px) and (max-width: 1250px) {
  .topbar { padding: 16px 20px; }
  .mainnav { gap: 14px; }
  .mainnav a { font-size: 11px; letter-spacing: .4px; }
  .topbar-right { gap: 8px; }
  .topbar .actions { gap: 8px; }
}
/* Justo sobre el corte a móvil no caben 4 círculos + menú: FB/IG se ocultan
   del topbar (siguen en la sección de ubicación, el footer y la barra móvil). */
@media (min-width: 901px) and (max-width: 1020px) {
  .topbar .btn-social { display: none; }
}
.cta::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(252,252,252,.94) 0%, rgba(252,252,252,.7) 50%, rgba(252,252,252,.08) 100%);
}
.cta .container { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(34px, 4.4vw, 52px); font-weight: 400; max-width: 560px; line-height: 1.18; }
.cta p { margin: 20px 0 32px; font-size: 18px; max-width: 460px; }
.cta .actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- Ubicación ---- */
.location { background: var(--bg); }
.loc-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: stretch;
  margin-top: 40px;
}
.loc-map {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 14px 34px rgba(22,49,91,.16);
  min-height: 380px;
}
.loc-map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; display: block; }
.loc-info {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: 0 10px 26px rgba(82,102,132,.10);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.loc-info h3 { color: var(--heading-dark); font-size: 24px; margin-bottom: 8px; }
.loc-info .label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--heading-dark);
  margin-top: 12px;
}
.loc-info p { font-size: 15px; }
.loc-info .btn { margin-top: auto; align-self: flex-start; text-align: center; }
.loc-info .label + p { margin-bottom: 16px; }

/* ---- Footer ---- */
footer {
  background: var(--bg);
  border-top: 1px solid rgba(82,102,132,.15);
  padding: 64px 0 32px;
  font-size: 14px;
}
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; margin-bottom: 48px; }
.footer-grid h4 {
  font-size: 13px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-grid ul { list-style: none; }
.footer-grid li { padding: 4px 0; }
.footer-grid a { transition: color .2s, padding-left .2s; }
.footer-grid a:hover { color: var(--heading-dark); padding-left: 3px; }
.footer-grid .label { font-weight: 700; margin-top: 10px; }
.copyright { text-align: center; font-size: 12px; opacity: .8; }

/* ---- Página de reservas ---- */
.services-list { max-width: 820px; margin: 48px auto 0; }
.cat-tabs { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px; }
.cat-tabs .btn.active { background: var(--text); color: var(--white); }
.service-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 12px;
  border-bottom: 1px solid rgba(82,102,132,.18);
  transition: background .25s, padding-left .25s;
}
.service-card:hover { background: rgba(173,189,214,.14); padding-left: 20px; }
.service-card .name { font-size: 22px; }
.service-card .price { font-weight: 700; white-space: nowrap; }

/* ---- Botón flotante de WhatsApp (chat directo con el bot) ---- */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,.45);
  transition: transform .3s, box-shadow .3s;
  animation: waPulse 2.6s ease-out infinite;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 12px 30px rgba(37,211,102,.55); animation: none; }
.wa-float svg { width: 32px; height: 32px; fill: #fff; }
@keyframes waPulse {
  0% { box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.45); }
  70% { box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,0); }
}
@media (prefers-reduced-motion: reduce) { .wa-float { animation: none; } }
@media (max-width: 900px) { .wa-float { right: 14px; bottom: 14px; width: 54px; height: 54px; } }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .band { padding: 56px 0 64px; }
  .band-title { margin-bottom: 36px; }
  .svc-row, .doctors, .treatment { grid-template-columns: 1fr; }
  .svc-row { gap: 20px; }
  .svc-row + .svc-row { margin-top: 44px; }
  .svc-row .media { min-height: 240px; max-height: 320px; order: -1; }
  .doctors { gap: 44px; }
  .review-grid { grid-template-columns: 1fr; gap: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  section { padding: 56px 0; }
  .svc-card { padding: 32px 22px; }
  .accordions summary { font-size: 19px; padding-right: 26px; }
  .accordions .acc-body { font-size: 14px; }
  .wide { padding: 0 18px; }
  .container { padding: 0 18px; }
  .treatment .info { padding: 36px 26px; }
  .treatment .info h3 { font-size: 26px; }
  .hero { min-height: 72vh; }
  .hero p { font-size: 17px; }
  .cta { min-height: 56vh; }

  /* Topbar móvil: una sola fila — hamburguesa | logo | idioma.
     Las acciones (WhatsApp / Llamar) se van a la barra fija de abajo.
     OJO: se quita backdrop-filter porque un ancestro con backdrop-filter hace
     de bloque contenedor y .actions con position:fixed se anclaría al topbar
     en vez de al viewport. */
  .topbar {
    flex-direction: row;
    justify-content: center;
    gap: 0;
    padding: 10px 14px;
    backdrop-filter: none;
    background: rgba(252,252,252,.98);
  }
  .topbar-right { display: contents; }
  .topbar .logo { margin: 0 auto; }
  .topbar .logo img { height: 44px; }
  .lang-switch {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
  }
  .lang-switch button { padding: 7px 11px; }

  /* Barra fija inferior: las acciones siempre al alcance del pulgar */
  .topbar .actions {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    gap: 8px;
    flex-wrap: nowrap;
    padding: 9px 10px;
    padding-bottom: calc(9px + env(safe-area-inset-bottom, 0px));
    background: rgba(252,252,252,.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 -2px 16px rgba(82,102,132,.16);
  }
  /* En la barra inferior sí va ícono + etiqueta: hay ancho de sobra y se lee
     mejor que un ícono suelto. */
  .topbar .actions .btn {
    flex: 1;
    width: auto;
    height: auto;
    text-align: center;
    padding: 12px 8px;
    font-size: 11px;
  }
  .topbar .actions .btn-icon .btn-label { display: inline; }
  .topbar .actions .btn-wa {
    background: var(--heading-dark);
    border-color: var(--heading-dark);
    color: var(--white);
  }
  /* FB/IG en la barra inferior: círculos fijos, sin etiqueta */
  .topbar .actions .btn-social {
    flex: 0 0 46px;
    width: 46px;
    height: 46px;
    padding: 0;
  }
  /* Ubicación en una columna */
  .loc-grid { grid-template-columns: 1fr; gap: 22px; margin-top: 26px; }
  .loc-map, .loc-map iframe { min-height: 300px; }
  .loc-info { padding: 28px 22px; }
  /* El botón flotante duplicaría el WhatsApp de la barra */
  .wa-float { display: none; }
  /* Que la barra no tape el final del footer */
  body { padding-bottom: 72px; }

  /* En móvil el menú se pliega detrás de la hamburguesa */
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--text);
    border-radius: 50px;
    background: transparent;
    cursor: pointer;
  }
  .nav-toggle .bars {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 18px;
  }
  .nav-toggle .bars i {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform .3s, opacity .2s;
  }
  .nav-toggle[aria-expanded="true"] .bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .bars i:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] .bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  /* Desplegable flotante: no estira el topbar, así --nav-h no cambia al abrir */
  .mainnav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(252,252,252,.98);
    border-top: 1px solid rgba(82,102,132,.12);
    box-shadow: 0 10px 22px rgba(82,102,132,.15);
  }
  .mainnav.open { display: flex; }
  .mainnav a {
    width: 100%;
    padding: 14px 0;
    text-align: center;
    font-size: 13px;
  }
  .mainnav a + a { border-top: 1px solid rgba(82,102,132,.12); }
  .mainnav a::after { display: none; }

  @media (prefers-reduced-motion: reduce) {
    .nav-toggle .bars i { transition: none; }
  }
}

@media (max-width: 420px) {
  .footer-grid { grid-template-columns: 1fr; }
  .band-title { font-size: 42px; }
  .service-card { flex-wrap: wrap; }
  .service-card .name { flex: 1 1 100%; }
}