/* B&J Dental Group — hoja de estilos única (mobile-first) */
:root {
  --azul: #1746b3;
  --azul-vivo: #2563eb;
  --azul-oscuro: #0d1f4d;
  --noche: #0a1736;
  --cian: #0891b2;
  --cian-claro: #67e8f9;
  --azul-suave: #eaf2fd;
  --agua: #e3f8fa;
  --tinta: #16213a;
  --texto: #3f4a61;
  --tenue: #5b667d;
  --linea: #d9e1ee;
  --blanco: #fff;
  --whatsapp: #0e7a5f;
  --whatsapp-oscuro: #0a6650;
  --radio: 18px;
  --sombra: 0 10px 30px -12px rgba(13, 31, 77, .22);
  --sombra-alta: 0 22px 44px -18px rgba(13, 31, 77, .38);
  --ancho: 1120px;
  --curva: cubic-bezier(.22, .8, .28, 1);
  --fuente: "Avenir Next", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--fuente);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--texto);
  background: var(--blanco);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul); text-underline-offset: 3px; }
a:hover { color: var(--azul-oscuro); }
:focus-visible { outline: 3px solid var(--azul-vivo); outline-offset: 3px; border-radius: 6px; }

h1, h2, h3 { color: var(--tinta); line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.4rem, 8.5vw, 4.1rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 4.8vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.125rem; font-weight: 600; letter-spacing: 0; }
p { margin: 0 0 1em; }

.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 20px; }
.saltar {
  position: absolute; left: -9999px; top: 0; background: var(--azul-oscuro); color: #fff;
  padding: 10px 16px; z-index: 100;
}
.saltar:focus { left: 8px; top: 8px; color: #fff; }
.icono { width: 24px; height: 24px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Cabecera */
.cabecera {
  position: relative; z-index: 40;
  background: var(--blanco);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s ease, border-color .25s ease;
}
.cabecera.con-sombra { border-bottom-color: var(--linea); box-shadow: 0 8px 24px -18px rgba(13, 31, 77, .5); }
.cabecera .contenedor { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0 20px; padding-top: 10px; padding-bottom: 4px; }
.marca img { width: 118px; }
.nav ul { list-style: none; display: flex; gap: 2px; margin: 0; padding: 0; }
.nav a {
  position: relative; display: block; padding: 12px 9px; font-size: .95rem; font-weight: 500;
  color: var(--tinta); text-decoration: none;
}
.nav a::after {
  content: ""; position: absolute; left: 9px; right: 9px; bottom: 6px; height: 2px; border-radius: 2px;
  background: var(--azul-vivo); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--curva);
}
.nav a:hover { color: var(--azul); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--azul); }
.cabecera .boton { display: none; }

/* Botones */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 12px 26px; border-radius: 999px; cursor: pointer;
  font-weight: 600; font-size: 1rem; text-decoration: none; border: 2px solid transparent;
  transition: transform .2s var(--curva), box-shadow .2s ease, background-color .2s ease, color .2s ease;
}
.boton:hover { transform: translateY(-2px); }
.boton:active { transform: translateY(0) scale(.98); }
.boton svg { width: 22px; height: 22px; flex: none; }
.boton-wa { background: var(--whatsapp); color: #fff; box-shadow: 0 12px 24px -12px rgba(14, 122, 95, .8); }
.boton-wa svg { fill: currentColor; }
.boton-wa:hover { background: var(--whatsapp-oscuro); color: #fff; }
.boton-linea { border-color: var(--azul); color: var(--azul); background: transparent; }
.boton-linea:hover { background: var(--azul); color: #fff; }
.boton-claro { border-color: rgba(255, 255, 255, .65); color: #fff; }
.boton-claro:hover { background: #fff; color: var(--azul-oscuro); }
.boton-chico { min-height: 44px; padding: 8px 18px; font-size: .92rem; }
.botones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Portada */
.portada {
  position: relative; isolation: isolate; overflow: hidden; color: #dbe6fb;
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(34, 211, 238, .38), transparent 60%),
    radial-gradient(70% 60% at 0% 100%, rgba(37, 99, 235, .55), transparent 65%),
    linear-gradient(140deg, var(--noche) 0%, var(--azul-oscuro) 35%, var(--azul) 100%);
  padding: 48px 0 110px;
}
.portada h1 { color: #fff; }
.portada h1 span { display: block; color: var(--cian-claro); }
.portada .contenedor { display: grid; gap: 40px; align-items: center; }
.sobretitulo {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; padding: 7px 14px;
  font-size: .8rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: #fff; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22); border-radius: 999px;
}
.sobretitulo::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--cian-claro); box-shadow: 0 0 0 4px rgba(103, 232, 249, .25); }
.entrada { font-size: 1.2rem; max-width: 32em; color: #dbe6fb; }
.decor { position: absolute; z-index: -1; fill: none; stroke: rgba(255, 255, 255, .09); stroke-width: .5; pointer-events: none; }
.portada .decor { width: 520px; right: -150px; bottom: -190px; transform: rotate(-14deg); }

.retrato { position: relative; width: min(74vw, 300px); margin: 0 auto; aspect-ratio: 1; }
.retrato::before, .retrato::after {
  content: ""; position: absolute; inset: -16px; border-radius: 46% 54% 52% 48% / 50% 44% 56% 50%;
  border: 1.5px solid rgba(103, 232, 249, .45);
}
.retrato::after { inset: -34px; border-color: rgba(255, 255, 255, .16); border-radius: 54% 46% 44% 56% / 46% 54% 46% 54%; }
.retrato img {
  position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover;
  border-radius: 46% 54% 52% 48% / 50% 44% 56% 50%;
  box-shadow: 0 30px 60px -20px rgba(3, 10, 30, .7);
}

/* Franja de datos sobre la portada */
.franja { position: relative; z-index: 2; margin-top: -68px; }
.franja ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.dato {
  display: flex; align-items: center; gap: 14px; height: 100%; padding: 18px 20px;
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); box-shadow: var(--sombra);
  color: var(--tinta); text-decoration: none;
  transition: transform .25s var(--curva), box-shadow .25s ease, border-color .25s ease;
}
a.dato:hover { transform: translateY(-4px); box-shadow: var(--sombra-alta); border-color: #b9cbee; color: var(--tinta); }
.dato small { display: block; font-size: .76rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--tenue); }
.dato strong { display: block; font-weight: 600; line-height: 1.35; overflow-wrap: anywhere; }
.burbuja {
  flex: none; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  color: var(--azul); background: linear-gradient(140deg, var(--agua), var(--azul-suave));
  transition: background .25s ease, color .25s ease, transform .25s var(--curva);
}

/* Secciones */
.seccion { padding: 68px 0; }
.seccion-tinte { background: linear-gradient(180deg, #f4f8fe, #eef7fb); }
.etiqueta { display: block; margin-bottom: 10px; font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--cian); }
.intro { max-width: 40em; margin-bottom: 34px; }

.encabezado-pagina {
  position: relative; isolation: isolate; overflow: hidden; color: #dbe6fb; padding: 52px 0 48px;
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(34, 211, 238, .34), transparent 60%),
    linear-gradient(140deg, var(--noche), var(--azul-oscuro) 40%, var(--azul));
}
.encabezado-pagina h1 { color: #fff; font-size: clamp(2rem, 6.5vw, 3rem); margin-bottom: .3em; }
.encabezado-pagina p { margin: 0; max-width: 40em; }
.encabezado-pagina .decor { width: 300px; right: -40px; top: -50px; transform: rotate(12deg); }

/* Servicios */
.rejilla { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; grid-template-columns: 1fr; }
.tarjeta {
  position: relative; height: 100%; padding: 24px; overflow: hidden;
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  transition: transform .25s var(--curva), box-shadow .25s ease, border-color .25s ease;
}
.tarjeta::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--azul-vivo), var(--cian-claro));
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--curva);
}
.tarjeta:hover { transform: translateY(-5px); box-shadow: var(--sombra-alta); border-color: #b9cbee; }
.tarjeta:hover::after { transform: scaleX(1); }
.tarjeta:hover .burbuja { background: linear-gradient(140deg, var(--azul-vivo), var(--cian)); color: #fff; transform: rotate(-6deg) scale(1.06); }
.tarjeta .burbuja { margin-bottom: 16px; }
.tarjeta h3 { margin-bottom: 6px; }
.tarjeta p { margin: 0; font-size: .98rem; }

.fichas { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.fichas a {
  display: flex; align-items: center; gap: 10px; height: 100%; min-height: 60px; padding: 10px 12px;
  background: #fff; border: 1px solid var(--linea); border-radius: 14px;
  color: var(--tinta); font-weight: 600; font-size: .95rem; line-height: 1.25; text-decoration: none; overflow-wrap: anywhere;
  transition: transform .25s var(--curva), box-shadow .25s ease, border-color .25s ease;
}
.fichas a:hover { transform: translateY(-3px); box-shadow: var(--sombra); border-color: #b9cbee; }
.fichas .burbuja { width: 38px; height: 38px; border-radius: 11px; }
.fichas .icono { width: 20px; height: 20px; }
.fichas a:hover .burbuja { background: linear-gradient(140deg, var(--azul-vivo), var(--cian)); color: #fff; }

/* Pasos */
.pasos { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; counter-reset: paso; }
.pasos li {
  position: relative; padding: 26px 24px 24px; background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  counter-increment: paso;
}
.pasos li::before {
  content: counter(paso); display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px;
  border-radius: 50%; color: #fff; font-weight: 700; font-size: 1.1rem;
  background: linear-gradient(140deg, var(--azul-vivo), var(--cian)); box-shadow: 0 10px 20px -10px rgba(37, 99, 235, .9);
}
.pasos p { margin: 0; font-size: .98rem; }

.dos-columnas { display: grid; gap: 36px; }
.panel { padding: 28px; background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); box-shadow: var(--sombra); }
.datos { margin: 0; display: grid; gap: 16px; }
.datos div { display: grid; grid-template-columns: 48px 1fr; column-gap: 14px; align-items: center; }
.datos .burbuja { grid-row: span 2; }
.datos dt { font-size: .76rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--tenue); align-self: end; }
.datos dd { margin: 0; color: var(--tinta); font-weight: 600; overflow-wrap: anywhere; align-self: start; line-height: 1.4; }
.datos a { color: var(--tinta); }
.datos a:hover { color: var(--azul); }
.datos.simple div { grid-template-columns: 1fr; }
.nota { font-size: .92rem; color: var(--tenue); }

/* Llamado */
.llamado {
  position: relative; isolation: isolate; overflow: hidden; color: #dbe6fb; padding: 64px 0;
  background:
    radial-gradient(70% 120% at 0% 0%, rgba(34, 211, 238, .3), transparent 60%),
    linear-gradient(120deg, var(--azul) 0%, var(--azul-oscuro) 70%, var(--noche) 100%);
}
.llamado h2 { color: #fff; font-size: clamp(1.8rem, 5.5vw, 2.6rem); }
.llamado p { max-width: 34em; font-size: 1.1rem; }
.llamado .decor { width: 360px; right: -60px; top: -40px; transform: rotate(16deg); }

/* Texto legal */
.legal { max-width: 46em; }
.legal h2 { font-size: 1.3rem; margin-top: 2em; }
.legal ul { padding-left: 1.2em; }
.legal li { margin-bottom: .4em; }

/* Pie */
.pie { background: var(--noche); color: #c9d3ea; padding: 44px 0 100px; font-size: .95rem; }
.pie a { color: #fff; }
.pie a:hover { color: var(--cian-claro); }
.pie .nombre-legal { color: #fff; font-weight: 700; font-size: 1.05rem; margin-bottom: 6px; }
.pie address { font-style: normal; margin-bottom: 14px; }
.pie-enlaces { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 18px 0 0; padding: 18px 0 0; border-top: 1px solid #25355f; }
.pie .establecimiento { margin: 0; color: #aab6d3; }

/* Botón flotante de WhatsApp */
.wa-flotante {
  position: fixed; right: 16px; bottom: 16px; z-index: 50;
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--whatsapp); color: #fff;
  box-shadow: 0 10px 22px -6px rgba(10, 23, 54, .5);
  transition: transform .2s var(--curva), background-color .2s ease;
}
.wa-flotante::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--whatsapp);
  animation: onda 2.8s ease-out infinite;
}
.wa-flotante:hover { background: var(--whatsapp-oscuro); color: #fff; transform: scale(1.08); }
.wa-flotante svg { width: 30px; height: 30px; fill: currentColor; }

/* Menú de WhatsApp por sede */
.wa-menu { position: fixed; right: 16px; bottom: 16px; z-index: 50; }
.wa-menu .wa-flotante { position: relative; right: auto; bottom: auto; cursor: pointer; list-style: none; }
.wa-menu summary::-webkit-details-marker { display: none; }
.wa-menu[open] .wa-flotante { background: var(--whatsapp-oscuro); }
.wa-menu[open] .wa-flotante::before { animation: none; opacity: 0; }
.wa-panel {
  position: absolute; right: 0; bottom: 72px; width: min(290px, calc(100vw - 32px));
  padding: 16px; background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  box-shadow: var(--sombra-alta); animation: entrar .25s var(--curva) both;
}
.wa-panel p { margin: 0 0 10px; font-weight: 600; color: var(--tinta); }
.wa-panel ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.wa-panel a {
  display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 8px 12px; border-radius: 12px;
  color: var(--texto); text-decoration: none; transition: background-color .2s ease;
}
.wa-panel a:hover { background: var(--agua); color: var(--tinta); }
.wa-panel svg { width: 26px; height: 26px; flex: none; fill: var(--whatsapp); }
.wa-panel strong { display: block; color: var(--tinta); line-height: 1.2; }

/* Movimiento */
@keyframes onda { 0% { transform: scale(1); opacity: .7; } 70%, 100% { transform: scale(1.7); opacity: 0; } }
@keyframes flotar { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes girar { to { transform: rotate(360deg); } }
@keyframes entrar { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }

.retrato { animation: flotar 7s ease-in-out infinite; }
.retrato::before { animation: girar 28s linear infinite; }
.retrato::after { animation: girar 40s linear infinite reverse; }
.portada .entra { animation: entrar .7s var(--curva) both; animation-delay: calc(var(--i, 0) * 90ms); }

.js .revela { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s var(--curva); transition-delay: calc(var(--i, 0) * 55ms); }
.js .revela.visto { opacity: 1; transform: none; }

@media (min-width: 620px) {
  .rejilla { grid-template-columns: 1fr 1fr; }
  .fichas { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .franja ul { grid-template-columns: repeat(3, 1fr); }
  .pasos { grid-template-columns: repeat(3, 1fr); }
  .marca img { width: 140px; }
  .nav a { padding: 12px 14px; }
  .nav a::after { left: 14px; right: 14px; }
}
@media (min-width: 900px) {
  .cabecera { position: sticky; top: 0; }
  .cabecera .contenedor { padding-top: 12px; padding-bottom: 12px; flex-wrap: nowrap; }
  .cabecera .boton { display: inline-flex; }
  .nav { margin-left: auto; }
  .portada { padding: 84px 0 150px; }
  .portada .contenedor { grid-template-columns: 1.25fr 1fr; gap: 56px; }
  .retrato { width: min(100%, 400px); }
  .rejilla { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .fichas { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .dos-columnas { grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
  .seccion { padding: 92px 0; }
  .llamado { padding: 84px 0; }
  .encabezado-pagina { padding: 72px 0 64px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .revela { opacity: 1; transform: none; }
}