/* Alvea · clínica dental (demo). Claro y sereno: blanco y gris muy claro, menta como acento y azul marino profundo.
   Tipografía: Nunito (titulares, redondeada y amable) y Figtree (texto). Primero el teléfono. */

:root {
  --fondo: #f4f8f9;
  --fondo-2: #e8f0f2;
  --blanco: #ffffff;
  --tinta: #0d2238;
  --tinta-2: #45586b;
  --tinta-3: #6d7f90;
  --menta: #4fd1bb;
  --menta-2: #a8eadc;
  --menta-3: #e3f7f2;
  --teal: #0b7a6d;
  --coral: #ef8f86;
  --linea: rgb(13 34 56 / .1);
  --vidrio: rgb(255 255 255 / .68);
  --sombra: 0 30px 60px -34px rgb(13 34 56 / .38), 0 2px 6px -2px rgb(13 34 56 / .06);
  --r: 26px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --display: "Nunito", ui-rounded, system-ui, sans-serif;
  --sans: "Figtree", system-ui, sans-serif;
  --cab-h: 64px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; scroll-padding-top: calc(var(--cab-h) + 8px); }
body { margin: 0; background: var(--fondo); color: var(--tinta); font: 400 1rem/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: clip; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd, figure, fieldset { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, select { font: inherit; color: inherit; }
.envoltura { width: min(1180px, 100% - 32px); margin-inline: auto; }

/* ---------- Tipos ---------- */
.antetitulo { display: inline-flex; align-items: center; gap: .55rem; margin-bottom: .8rem; font-size: .72rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--teal); }
.titulo-sec, .titulo-fase { font-family: var(--display); font-weight: 800; font-size: clamp(2.2rem, 9.4vw, 4.4rem); line-height: 1.02; letter-spacing: -.025em; text-wrap: balance; }
.titulo-sec em, .titulo-fase em { font-style: normal; color: var(--teal); }
.sec-cab { margin-bottom: 2rem; }
.sec-bajada { margin-top: .9rem; max-width: 46ch; color: var(--tinta-2); font-size: 1.02rem; }
.nota { color: var(--tinta-3); font-size: .82rem; margin-top: .9rem; }
.nota-caja { display: block; padding: .9rem 1rem; border-radius: 16px; background: var(--menta-3); color: #2b5a52; }
.nota-caja b { color: var(--tinta); }
.punto { width: 8px; height: 8px; flex: none; border-radius: 50%; background: var(--menta); box-shadow: 0 0 0 4px rgb(79 209 187 / .2); }
.vidrio { background: var(--vidrio); -webkit-backdrop-filter: blur(18px) saturate(1.5); backdrop-filter: blur(18px) saturate(1.5);
  border: 1px solid rgb(255 255 255 / .9); box-shadow: var(--sombra), inset 0 1px 0 rgb(255 255 255); border-radius: var(--r); }

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; height: 52px; padding: 0 1.5rem; border-radius: 999px; border: 0; cursor: pointer;
  font-family: var(--display); font-weight: 800; font-size: 1rem; letter-spacing: .005em; text-decoration: none; white-space: nowrap;
  transition: transform .4s var(--ease), background-color .25s, box-shadow .3s, color .25s; }
.btn:active { transform: scale(.97); }
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-tinta { background: var(--tinta); color: #fff; box-shadow: 0 14px 30px -14px rgb(13 34 56 / .7); }
.btn-tinta:hover { background: #17365a; box-shadow: 0 18px 36px -14px rgb(13 34 56 / .75), 0 0 0 4px rgb(79 209 187 / .25); }
.btn-vidrio { background: rgb(255 255 255 / .7); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); box-shadow: inset 0 0 0 1.5px rgb(13 34 56 / .14); }
.btn-vidrio:hover { box-shadow: inset 0 0 0 1.5px var(--menta); color: var(--teal); }
.btn-sm { height: 40px; padding: 0 1.1rem; font-size: .9rem; }
.btn-lg { height: 58px; padding: 0 2rem; font-size: 1.05rem; width: 100%; }
:focus-visible { outline: 2.5px solid var(--teal); outline-offset: 3px; border-radius: 10px; }

/* ---------- Carga ---------- */
.carga { position: fixed; inset: 0; z-index: 100; display: grid; place-content: center; justify-items: center; gap: .6rem;
  background: radial-gradient(60% 50% at 50% 45%, #ffffff, var(--fondo)); }
.carga-muela { width: 112px; height: 112px; overflow: visible; filter: drop-shadow(0 18px 24px rgb(13 34 56 / .12)); }
.carga-num { font-family: var(--display); font-weight: 800; font-size: 1.05rem; color: var(--tinta-3); letter-spacing: .04em; }
.carga-num b { color: var(--tinta); font-weight: 800; }
html:not(.js) .carga { display: none; }

/* ---------- Cabecera ---------- */
.cab { position: fixed; inset: 0 0 auto; z-index: 50; height: var(--cab-h); display: flex; align-items: center; gap: 1rem; padding: 0 16px; transition: background-color .4s, box-shadow .4s; }
.cab.solida { background: rgb(244 248 249 / .8); -webkit-backdrop-filter: blur(16px) saturate(1.4); backdrop-filter: blur(16px) saturate(1.4); box-shadow: 0 1px 0 var(--linea); }
.marca { display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; }
.marca-icono { width: 30px; height: 30px; fill: var(--menta); stroke: var(--tinta); stroke-width: 3; stroke-linejoin: round; }
.marca-nombre { display: grid; font-family: var(--display); font-weight: 900; font-size: 1.45rem; line-height: .95; letter-spacing: -.02em; }
.marca-nombre small { font-family: var(--sans); font-size: .56rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--tinta-3); margin-top: .18rem; }
.cab-nav { display: none; gap: 1.6rem; margin-left: auto; }
.cab-nav a { text-decoration: none; font-weight: 600; font-size: .9rem; color: var(--tinta-2); position: relative; }
.cab-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; border-radius: 2px; background: var(--menta); transform: scaleX(0); transition: transform .4s var(--ease); }
.cab-nav a:hover { color: var(--tinta); }
.cab-nav a:hover::after { transform: scaleX(1); }
.cab > .btn { margin-left: auto; }
@media (min-width: 1000px) { .cab { padding: 0 32px; } .cab-nav { display: flex; } .cab > .btn { margin-left: 1.4rem; } }

/* ---------- Inicio ---------- */
.inicio { position: relative; height: 430vh; }
.inicio-fijo { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.inicio-fondo { position: absolute; inset: 0; background:
  radial-gradient(48% 34% at 70% 62%, rgb(79 209 187 / .2), transparent 70%),
  radial-gradient(40% 30% at 18% 22%, rgb(140 190 230 / .16), transparent 70%),
  radial-gradient(90% 70% at 50% 60%, #ffffff, var(--fondo) 70%); }
.escena { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.escena-respaldo { display: none; }
.fase { position: absolute; left: 16px; right: 16px; z-index: 3; }
.fase-1 { top: calc(var(--cab-h) + 3vh); text-align: center; }
.titulo { font-family: var(--display); font-weight: 900; font-size: clamp(5.4rem, 29vw, 12.5rem); line-height: .86; letter-spacing: -.045em; margin: .1rem 0 .7rem; }
.titulo .l { display: inline-block; }
.fase .bajada { max-width: 31ch; margin-inline: auto; color: var(--tinta-2); font-size: 1.04rem; }
.acciones { display: flex; justify-content: center; flex-wrap: wrap; gap: .6rem; margin-top: 1.2rem; }
.desliza { display: inline-flex; align-items: center; gap: .6rem; margin-top: 1.4rem; font-size: .8rem; font-weight: 600; color: var(--tinta-3); }
.desliza i { position: relative; width: 22px; height: 34px; border-radius: 12px; box-shadow: inset 0 0 0 1.5px var(--tinta-3); }
.desliza i::after { content: ""; position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: var(--teal); animation: rueda 1.8s var(--ease) infinite; }
@keyframes rueda { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(10px); opacity: 0; } 100% { opacity: 0; } }
.fase-2, .fase-3 { opacity: 0; visibility: hidden; }
.fase-2 { top: calc(var(--cab-h) + 2vh); }
.fase-2 .titulo-fase { font-size: clamp(2rem, 8.6vw, 3.6rem); }
.fase-3 { top: calc(var(--cab-h) + 3vh); text-align: center; }
.fase-3 .titulo-fase { font-size: clamp(2.3rem, 10vw, 4.6rem); }
.fase-3 .bajada { margin-top: .9rem; }
.capas-lineas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; pointer-events: none; overflow: visible; }
.capas-lineas g { opacity: 0; }
.capas-lineas polyline { fill: none; stroke: var(--tinta); stroke-width: 1.4; stroke-linejoin: round; stroke-dasharray: 3 4; }
.capas-lineas .c1 { fill: var(--menta); stroke: #fff; stroke-width: 2.5; }
.capas-lineas .c2 { fill: none; stroke: var(--menta); stroke-width: 1.5; }
.capa-etq { position: absolute; z-index: 3; visibility: hidden; padding: .65rem .8rem .75rem; border-radius: 16px; background: rgb(255 255 255 / .78);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); box-shadow: 0 16px 34px -22px rgb(13 34 56 / .5), inset 0 0 0 1px rgb(255 255 255 / .9); }
.capa-etq b { display: flex; align-items: center; gap: .45rem; font-family: var(--display); font-weight: 800; font-size: 1.1rem; line-height: 1.1; }
.capa-etq b i { font-style: normal; font-size: .66rem; letter-spacing: .08em; color: var(--teal); padding: .12rem .38rem; border-radius: 99px; background: var(--menta-3); }
.capa-etq span { display: block; margin-top: .25rem; font-size: .8rem; line-height: 1.38; color: var(--tinta-2); }
@media (min-width: 900px) {
  .inicio { height: 400vh; }
  .fase-1 { top: auto; bottom: 11vh; left: 6vw; right: auto; max-width: 40vw; text-align: left; }
  .fase .bajada, .fase-1 .bajada { margin-inline: 0; }
  .acciones { justify-content: flex-start; }
  .fase-2 { top: calc(var(--cab-h) + 6vh); left: 6vw; right: auto; }
  .fase-3 { top: auto; bottom: 12vh; left: 6vw; right: auto; max-width: 44vw; text-align: left; }
  .capa-etq { padding: .9rem 1.1rem 1rem; }
  .capa-etq b { font-size: 1.35rem; }
  .capa-etq span { font-size: .9rem; }
}

/* Sin WebGL o con movimiento reducido: imagen fija de la muela abierta y las capas como lista */
.sin-3d .inicio { height: auto; }
.sin-3d .inicio-fijo { position: relative; height: auto; display: grid; gap: 1.6rem; padding: calc(var(--cab-h) + 4vh) 16px 8vh; }
.sin-3d .escena, .sin-3d .capas-lineas, .sin-3d .fase-3, .sin-3d .desliza { display: none; }
.sin-3d .fase { position: relative; left: auto; right: auto; top: auto; bottom: auto; opacity: 1; visibility: visible; max-width: none; text-align: center; }
.sin-3d .escena-respaldo { display: block; position: relative; width: min(64vw, 340px); margin: 0 auto; }
.sin-3d .capas-etiquetas { display: grid; gap: .8rem; max-width: 760px; margin: 0 auto; position: relative; z-index: 3; }
.sin-3d .capa-etq { position: relative; visibility: visible; }
@media (min-width: 900px) { .sin-3d .capas-etiquetas { grid-template-columns: repeat(3, 1fr); } .sin-3d .acciones { justify-content: center; } }

/* ---------- Tratamientos ---------- */
.tratamientos { position: relative; padding: 14vh 0 10vh; }
.tratamientos::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(40% 30% at 90% 20%, rgb(79 209 187 / .14), transparent 70%), radial-gradient(40% 30% at 0% 80%, rgb(140 190 230 / .14), transparent 70%); }
.trat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.trat { position: relative; }
.trat-btn { position: relative; display: grid; align-content: start; gap: .25rem; width: 100%; height: 100%; min-height: 176px; padding: 1rem .95rem 1rem; text-align: left; cursor: pointer;
  border: 0; border-radius: 22px; background: rgb(255 255 255 / .74); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 22px 40px -30px rgb(13 34 56 / .45), inset 0 0 0 1px rgb(255 255 255 / .95); transition: transform .5s var(--ease), box-shadow .4s; }
.trat-btn:hover { transform: translateY(-4px); box-shadow: 0 30px 50px -30px rgb(13 34 56 / .5), inset 0 0 0 1.5px var(--menta-2); }
.trat-icono { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 18px; margin-bottom: .55rem; background: linear-gradient(145deg, var(--menta-3), #fff); box-shadow: inset 0 0 0 1px rgb(79 209 187 / .25); }
.trat-icono svg, .hoja-icono svg { width: 70%; height: 70%; overflow: visible; }
.trat-btn h3 { font-family: var(--display); font-weight: 800; font-size: 1.12rem; line-height: 1.12; letter-spacing: -.01em; }
.trat-btn p { font-size: .8rem; line-height: 1.4; color: var(--tinta-2); }
.trat-pie { display: flex; align-items: center; justify-content: space-between; gap: .4rem; margin-top: .55rem; }
.trat-precio { font-size: .78rem; color: var(--tinta-3); }
.trat-precio b { font-family: var(--display); font-weight: 800; font-size: 1rem; color: var(--tinta); }
.trat-mas { display: grid; place-items: center; width: 30px; height: 30px; flex: none; border-radius: 50%; background: var(--tinta); color: #fff; font-size: 1.1rem; line-height: 1; transition: transform .4s var(--ease), background-color .3s; }
.trat-btn:hover .trat-mas { transform: rotate(90deg); background: var(--teal); }
.trat-grid .trat:last-child:nth-child(odd) { grid-column: 1 / -1; }
.trat-grid .trat:last-child:nth-child(odd) .trat-btn { min-height: 0; grid-template-columns: auto 1fr; column-gap: .9rem; align-items: center; }
.trat-grid .trat:last-child:nth-child(odd) .trat-icono { grid-row: span 3; margin: 0; }
.trat-grid .trat:last-child:nth-child(odd) .trat-pie { grid-column: 2; margin-top: .2rem; }
.tratamientos .nota-caja { margin-top: 1.2rem; }
@media (min-width: 760px) { .trat-grid { grid-template-columns: repeat(4, 1fr); gap: 1rem; } .trat-btn { min-height: 230px; padding: 1.3rem 1.2rem; } .trat-btn h3 { font-size: 1.3rem; } .trat-btn p { font-size: .88rem; }
  .trat-grid .trat:last-child:nth-child(odd) { grid-column: auto; }
  .trat-grid .trat:last-child:nth-child(odd) .trat-btn { min-height: 230px; display: grid; grid-template-columns: none; align-items: start; }
  .trat-grid .trat:last-child:nth-child(odd) .trat-icono { grid-row: auto; margin-bottom: .55rem; }
  .trat-grid .trat:last-child:nth-child(odd) .trat-pie { grid-column: auto; margin-top: .55rem; } }

/* Hoja de detalle */
.hoja { width: 100%; max-width: 100%; height: fit-content; max-height: 92vh; max-height: 92dvh; margin: auto 0 0; padding: 0; border: 0; border-radius: 28px 28px 0 0; background: #fbfdfd; color: var(--tinta); overflow: hidden; }
.hoja[open] { display: flex; flex-direction: column; }
.hoja::backdrop { background: rgb(13 34 56 / .32); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.hoja-in { position: relative; overflow-y: auto; overscroll-behavior: contain; padding: 1.3rem 1.2rem calc(1.6rem + env(safe-area-inset-bottom)); }
.hoja-cab { display: flex; align-items: center; gap: 1rem; padding-right: 2.6rem; }
.hoja-cab .antetitulo { margin-bottom: .3rem; }
.hoja-icono { display: grid; place-items: center; width: 74px; height: 74px; flex: none; border-radius: 24px; background: linear-gradient(145deg, var(--menta-2), var(--menta-3)); box-shadow: inset 0 0 0 1px rgb(79 209 187 / .35); }
.hoja h2 { font-family: var(--display); font-weight: 800; font-size: 1.75rem; line-height: 1.05; letter-spacing: -.02em; }
.hoja-cuerpo { display: grid; gap: 1rem; margin-top: 1.2rem; }
.hoja-bloque h3 { font-family: var(--display); font-weight: 800; font-size: 1rem; margin-bottom: .2rem; }
.hoja-bloque p { color: var(--tinta-2); font-size: .95rem; }
.hoja-datos { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.hoja-dato { padding: .8rem .9rem; border-radius: 16px; background: var(--fondo); }
.hoja-dato span { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--tinta-3); }
.hoja-dato b { display: block; margin-top: .15rem; font-family: var(--display); font-weight: 800; font-size: 1.05rem; line-height: 1.2; }
.hoja-dato.precio b { font-size: 1.5rem; color: var(--teal); }
.hoja-dato small { display: block; color: var(--tinta-3); font-size: .75rem; }
.hoja-acciones { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.hoja-acciones .btn { width: 100%; padding: 0 .8rem; }
.hoja .nota-caja { margin-top: 0; font-size: .8rem; }
@media (min-width: 760px) {
  .hoja { width: min(620px, 100% - 48px); margin: auto; border-radius: 30px; max-height: 88vh; }
  .hoja-in { padding: 1.8rem 1.9rem 2rem; }
  .hoja h2 { font-size: 2.2rem; }
}

/* ---------- Cuotas ---------- */
.cuotas { position: relative; padding: 10vh 0; }
.cuotas::before { content: ""; position: absolute; inset: 10% 0 0; z-index: -1; background: radial-gradient(50% 40% at 70% 50%, rgb(79 209 187 / .16), transparent 70%); }
.cuotas-grid { display: grid; gap: .4rem; }
.simulador { padding: 1.1rem; display: grid; gap: 1.1rem; }
.sim-trat { display: flex; gap: .45rem; overflow-x: auto; scrollbar-width: none; margin: 0 -1.1rem; padding: 0 1.1rem; }
.sim-trat::-webkit-scrollbar { display: none; }
.chip { flex: none; height: 40px; padding: 0 1rem; border-radius: 99px; border: 0; cursor: pointer; background: var(--fondo-2); color: var(--tinta-2); font-weight: 600; font-size: .86rem; transition: background-color .3s, color .3s, box-shadow .3s; }
.chip[aria-checked="true"] { background: var(--tinta); color: #fff; }
.sim-monto { display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: .3rem .8rem; }
.sim-monto label { font-size: .8rem; font-weight: 600; color: var(--tinta-3); }
.sim-monto output { font-family: var(--display); font-weight: 800; font-size: 1.2rem; font-variant-numeric: tabular-nums; }
.sim-monto input { grid-column: 1 / -1; width: 100%; height: 28px; margin: 0; background: transparent; -webkit-appearance: none; appearance: none; cursor: pointer; --lleno: 35%; }
.sim-monto input::-webkit-slider-runnable-track { height: 6px; border-radius: 6px; background: linear-gradient(90deg, var(--menta) var(--lleno), var(--fondo-2) var(--lleno)); }
.sim-monto input::-moz-range-track { height: 6px; border-radius: 6px; background: linear-gradient(90deg, var(--menta) var(--lleno), var(--fondo-2) var(--lleno)); }
.sim-monto input::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; margin-top: -9px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 2px var(--tinta), 0 6px 14px -4px rgb(13 34 56 / .5); }
.sim-monto input::-moz-range-thumb { width: 22px; height: 22px; border: 0; border-radius: 50%; background: #fff; box-shadow: 0 0 0 2px var(--tinta), 0 6px 14px -4px rgb(13 34 56 / .5); }
.sim-cuotas { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); padding: 4px; border-radius: 99px; background: var(--fondo-2); }
.sim-cuotas button { position: relative; z-index: 1; height: 44px; border: 0; background: none; cursor: pointer; border-radius: 99px; font-family: var(--display); font-weight: 800; font-size: 1.05rem; color: var(--tinta-2); transition: color .3s; }
.sim-cuotas button[aria-checked="true"] { color: #fff; }
.sim-cuotas button::after { content: attr(data-sufijo); }
.sim-cuotas-fondo { position: absolute; z-index: 0; top: 4px; bottom: 4px; left: 4px; width: calc((100% - 8px) / 4); border-radius: 99px; background: var(--tinta); box-shadow: 0 8px 18px -8px rgb(13 34 56 / .6); transition: transform .6s var(--ease); }
.sim-resultado { display: grid; justify-items: center; text-align: center; padding: .4rem 0 0; }
.sim-resultado p { font-size: .8rem; font-weight: 600; color: var(--tinta-3); }
.sim-resultado b { font-family: var(--display); font-weight: 900; font-size: clamp(2.8rem, 13vw, 3.8rem); line-height: 1; letter-spacing: -.03em; font-variant-numeric: tabular-nums; margin: .2rem 0 .3rem; }
.sim-resultado b small { font-size: .38em; font-weight: 800; color: var(--tinta-3); letter-spacing: 0; margin-left: .15em; }
.sim-resultado span { font-size: .85rem; color: var(--tinta-2); }
.sim-grafico figcaption { font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--tinta-3); margin-bottom: .3rem; }
.sim-grafico svg { display: block; width: 100%; height: auto; overflow: visible; }
.sim-grafico .barra { cursor: pointer; }
.sim-grafico .barra .b { fill: #d5e3e8; transition: fill .4s; }
.sim-grafico .barra.activa .b { fill: var(--menta); }
.sim-grafico .barra rect.zona { fill: transparent; }
.sim-grafico .valor { font: 600 11px var(--sans); fill: var(--tinta-3); }
.sim-grafico .barra.activa .valor { font-weight: 800; fill: var(--tinta); }
.sim-grafico .eje { font: 600 11px var(--sans); fill: var(--tinta-3); }
.sim-grafico .base { stroke: rgb(13 34 56 / .18); stroke-width: 1; }
.simulador .nota { margin-top: 0; }
@media (min-width: 900px) { .cuotas-grid { grid-template-columns: .9fr 1.1fr; gap: 4rem; align-items: center; } .simulador { padding: 1.8rem; gap: 1.3rem; } .sim-trat { margin: 0; padding: 0; flex-wrap: wrap; } }

/* ---------- Reserva ---------- */
.reserva { position: relative; padding: 10vh 0 12vh; }
.reserva::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent, var(--fondo-2) 30%, var(--fondo-2) 70%, transparent); }
.reserva-grid { display: grid; gap: .4rem; }
.ticket { display: none; }
.reserva-form { position: relative; padding: 1.1rem; display: grid; gap: .95rem; }
.campo { display: grid; gap: .4rem; min-width: 0; }
.campo-et { font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--tinta-3); }
.selector { position: relative; }
.selector-btn, .campo input { width: 100%; height: 52px; padding: 0 1rem; border-radius: 16px; border: 0; background: #fff; box-shadow: inset 0 0 0 1.5px var(--linea); font-size: 1rem; text-align: left; transition: box-shadow .3s; }
.selector-btn { display: flex; align-items: center; justify-content: space-between; gap: .6rem; cursor: pointer; font-weight: 600; }
.selector-btn .vacio { color: var(--tinta-3); font-weight: 500; }
.selector-btn svg { width: 20px; height: 20px; flex: none; color: var(--tinta-3); transition: transform .4s var(--ease); }
.selector-btn[aria-expanded="true"] { box-shadow: inset 0 0 0 2px var(--menta); }
.selector-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.campo input:focus { outline: 0; box-shadow: inset 0 0 0 2px var(--menta); }
.campo input::placeholder { color: var(--tinta-3); }
.selector-lista { position: absolute; z-index: 10; left: 0; right: 0; top: calc(100% + 6px); max-height: 300px; overflow-y: auto; padding: .4rem; border-radius: 18px; background: #fff; box-shadow: 0 30px 60px -20px rgb(13 34 56 / .45), inset 0 0 0 1px var(--linea); transform-origin: top center; }
.selector-lista li { display: flex; align-items: center; justify-content: space-between; padding: .7rem .8rem; border-radius: 12px; cursor: pointer; font-weight: 500; }
.selector-lista li:hover, .selector-lista li.foco { background: var(--menta-3); }
.selector-lista li[aria-selected="true"] { font-weight: 700; color: var(--teal); }
.selector-lista li[aria-selected="true"]::after { content: "✓"; }
.dias { display: flex; gap: .45rem; overflow-x: auto; scrollbar-width: none; margin: 0 -1.1rem; padding: 2px 1.1rem 4px; scroll-snap-type: x proximity; }
.dias::-webkit-scrollbar { display: none; }
.dia { flex: none; display: grid; justify-items: center; gap: 0; width: 62px; padding: .5rem 0 .55rem; border-radius: 16px; border: 0; cursor: pointer; background: #fff; box-shadow: inset 0 0 0 1.5px var(--linea); scroll-snap-align: start; transition: background-color .3s, box-shadow .3s, color .3s, transform .4s var(--ease); }
.dia small { font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--tinta-3); }
.dia b { font-family: var(--display); font-weight: 900; font-size: 1.35rem; line-height: 1.1; }
.dia em { font-style: normal; font-size: .68rem; color: var(--tinta-3); }
.dia[aria-checked="true"] { background: var(--tinta); color: #fff; box-shadow: 0 10px 20px -10px rgb(13 34 56 / .7); }
.dia[aria-checked="true"] small, .dia[aria-checked="true"] em { color: var(--menta-2); }
.dia:disabled { cursor: not-allowed; background: transparent; opacity: .55; }
.dia:disabled em { color: var(--coral); font-weight: 600; }
.horas { display: grid; grid-template-columns: repeat(4, 1fr); gap: .45rem; min-height: 44px; }
.horas-vacio { grid-column: 1 / -1; display: grid; place-items: center; height: 44px; border-radius: 14px; border: 1.5px dashed var(--linea); font-size: .85rem; color: var(--tinta-3); }
.hora { height: 42px; border-radius: 14px; border: 0; cursor: pointer; background: #fff; box-shadow: inset 0 0 0 1.5px var(--linea); font-weight: 700; font-size: .92rem; font-variant-numeric: tabular-nums; transition: background-color .3s, color .3s, box-shadow .3s; }
.hora[aria-checked="true"] { background: var(--menta); color: var(--tinta); box-shadow: 0 10px 18px -10px rgb(11 122 109 / .8); }
.hora:disabled { cursor: not-allowed; background: transparent; color: #a6b3bf; text-decoration: line-through; }
.reserva-error { min-height: 0; font-size: .85rem; font-weight: 600; color: #b4443b; }
.reserva-error:empty { display: none; }
.campo.falta .selector-btn, .campo.falta input, .campo.falta .horas-vacio { box-shadow: inset 0 0 0 2px #e98b82; }
.campo.falta .campo-et { color: #b4443b; }
.reserva-form .nota { margin-top: -.3rem; text-align: center; }
@media (min-width: 900px) {
  .reserva-grid { grid-template-columns: 1fr 1.05fr; gap: 4rem; align-items: start; }
  .reserva-intro { position: sticky; top: calc(var(--cab-h) + 40px); }
  .reserva-form { padding: 1.8rem; gap: 1.2rem; }
  .dias { margin: 0; padding: 2px 0 4px; flex-wrap: wrap; }
  .ticket { display: block; margin-top: 2rem; max-width: 380px; padding: 1.2rem 1.3rem; border-radius: 22px; background: #fff; box-shadow: var(--sombra); position: relative; }
  .ticket::before, .ticket::after { content: ""; position: absolute; top: 56px; width: 18px; height: 18px; border-radius: 50%; background: var(--fondo-2); }
  .ticket::before { left: -9px; } .ticket::after { right: -9px; }
  .ticket-cab { display: flex; align-items: center; gap: .5rem; padding-bottom: .9rem; margin-bottom: .6rem; border-bottom: 1.5px dashed var(--linea); font-family: var(--display); font-weight: 800; }
  .ticket-cab svg { width: 22px; height: 22px; fill: var(--menta); stroke: var(--tinta); stroke-width: 3; }
  .ticket dl div { display: flex; justify-content: space-between; gap: 1rem; padding: .35rem 0; }
  .ticket dt { color: var(--tinta-3); font-size: .9rem; }
  .ticket dd { font-weight: 700; text-align: right; }
  .ticket dd.vacio { color: #a6b3bf; font-weight: 500; }
}

/* ---------- Primera visita ---------- */
.visita { padding: 12vh 0; }
.pasos { position: relative; display: grid; gap: 1.6rem; counter-reset: p; }
.pasos::before { content: ""; position: absolute; left: 27px; top: 10px; bottom: 10px; width: 2px; border-radius: 2px; background: var(--linea); }
.pasos::after { content: ""; position: absolute; left: 27px; top: 10px; bottom: 10px; width: 2px; border-radius: 2px; background: var(--menta); transform-origin: top; transform: scaleY(var(--avance, 0)); }
.paso { position: relative; display: grid; grid-template-columns: 56px 1fr; gap: 1rem; align-items: start; counter-increment: p; }
.paso-icono { position: relative; z-index: 1; display: grid; place-items: center; width: 56px; height: 56px; border-radius: 20px; background: #fff; box-shadow: var(--sombra), inset 0 0 0 1px var(--linea); }
.paso-icono svg { width: 30px; height: 30px; fill: none; stroke: var(--tinta); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.paso-icono svg .ac { stroke: var(--teal); }
.paso-icono::after { content: counter(p); position: absolute; right: -6px; top: -6px; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--menta); color: var(--tinta); font: 800 .75rem var(--display); }
.paso b { display: block; font-family: var(--display); font-weight: 800; font-size: 1.35rem; line-height: 1.2; margin-top: .25rem; }
.paso p { color: var(--tinta-2); margin-top: .2rem; max-width: 34ch; }
@media (min-width: 900px) {
  .pasos { grid-template-columns: repeat(4, 1fr); gap: 2rem; }
  .pasos::before, .pasos::after { left: 28px; right: 28px; top: 27px; bottom: auto; width: auto; height: 2px; }
  .pasos::after { transform-origin: left; transform: scaleX(var(--avance, 0)); }
  .paso { grid-template-columns: 1fr; }
}

/* ---------- La clínica ---------- */
.clinica { padding: 10vh 0 12vh; overflow: hidden; }
.clinica-cab { display: grid; gap: 1.2rem; }
.clinica-datos { display: grid; gap: .5rem; }
.clinica-datos li { display: flex; align-items: center; gap: .6rem; color: var(--tinta-2); }
.clinica-datos li::before { content: ""; width: 20px; height: 20px; flex: none; border-radius: 50%; background: var(--menta-3) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'><path d='M6 10.5l2.6 2.6L14 7.6' fill='none' stroke='%230b7a6d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / 100% no-repeat; }
.galeria { display: flex; gap: .8rem; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding: .4rem 16px 1rem; scroll-padding: 0 16px; }
.galeria::-webkit-scrollbar { display: none; }
.g { position: relative; flex: none; width: 78vw; height: 58vh; max-height: 460px; border-radius: var(--r); overflow: hidden; scroll-snap-align: start; box-shadow: var(--sombra); }
.g img { width: 100%; height: 100%; object-fit: cover; }
.g figcaption { position: absolute; left: 12px; bottom: 12px; padding: .35rem .75rem; border-radius: 99px; background: rgb(255 255 255 / .82); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); font-size: .78rem; font-weight: 700; }
@media (min-width: 900px) {
  .clinica-cab { grid-template-columns: 1.6fr 1fr; align-items: end; gap: 4rem; }
  .galeria { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 15vw; max-height: none; width: min(1180px, 100% - 32px); margin: 0 auto; padding: 0; overflow: visible; gap: 1rem; }
  .g { width: auto; height: auto; max-height: none; }
  .g-1 { grid-column: 1 / 7; grid-row: span 2; } .g-2 { grid-column: 7 / 10; grid-row: span 2; } .g-3 { grid-column: 10 / 13; }
  .g-5 { grid-column: 10 / 13; grid-row: span 2; } .g-4 { grid-column: 1 / 6; } .g-6 { grid-column: 6 / 10; }
  .galeria { grid-auto-rows: min(15vw, 210px); grid-auto-flow: dense; }
}

/* ---------- Preguntas ---------- */
.preguntas { padding: 10vh 0; }
.preguntas-grid { display: grid; gap: .5rem; }
.faq { display: grid; gap: .6rem; }
.faq-item { border-radius: 20px; background: rgb(255 255 255 / .8); box-shadow: 0 16px 34px -28px rgb(13 34 56 / .5), inset 0 0 0 1px rgb(255 255 255); overflow: hidden; }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.05rem 1.1rem; cursor: pointer; list-style: none; font-family: var(--display); font-weight: 800; font-size: 1.05rem; line-height: 1.25; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { position: relative; width: 28px; height: 28px; flex: none; border-radius: 50%; background: var(--menta-3); transition: transform .5s var(--ease), background-color .3s; }
.faq-item summary i::before, .faq-item summary i::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; margin: -1px 0 0 -6px; border-radius: 2px; background: var(--teal); transition: transform .5s var(--ease); }
.faq-item summary i::after { transform: rotate(90deg); }
.faq-item[open] summary i { background: var(--menta); transform: rotate(180deg); }
.faq-item[open] summary i::after { transform: rotate(0); }
.faq-r { padding: 0 1.1rem 1.1rem; color: var(--tinta-2); }
@media (min-width: 900px) { .preguntas-grid { grid-template-columns: .8fr 1.2fr; gap: 4rem; align-items: start; } .preguntas .sec-cab { position: sticky; top: calc(var(--cab-h) + 40px); } }

/* ---------- Ubicación ---------- */
.ubicacion { padding: 8vh 0 14vh; }
.ubicacion-grid { display: grid; gap: 2rem; }
.mapa { overflow: hidden; aspect-ratio: 4 / 3; padding: 0; }
.mapa svg { display: block; width: 100%; height: 100%; }
.mapa-ruta { animation: ruta 1.6s linear infinite; }
@keyframes ruta { to { stroke-dashoffset: -34; } }
.pin-onda { transform-origin: 0 -15px; animation: pin 2.2s var(--ease) infinite; }
@keyframes pin { 0% { transform: scale(.4); opacity: 1; } 100% { transform: scale(1.6); opacity: 0; } }
.estado { display: inline-flex; align-items: center; gap: .6rem; margin: 1.3rem 0 .8rem; padding: .5rem 1rem; border-radius: 99px; background: var(--menta-3); color: var(--teal); font-size: .92rem; }
.estado.cerrado { background: rgb(13 34 56 / .06); color: var(--tinta-2); }
.estado.cerrado .punto { background: #a6b3bf; box-shadow: 0 0 0 4px rgb(166 179 191 / .25); }
.horario div { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid var(--linea); max-width: 440px; }
.horario dt { color: var(--tinta-2); }
.horario dd { font-weight: 700; font-variant-numeric: tabular-nums; }
.direccion { margin-top: 1.2rem; font-weight: 600; }
.direccion span { color: var(--tinta-3); font-size: .8rem; font-weight: 400; }
@media (min-width: 900px) { .ubicacion-grid { grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: center; } }

/* ---------- Pie ---------- */
.pie { padding: 4rem 0 7.5rem; border-top: 1px solid var(--linea); }
.pie-marca { font-family: var(--display); font-weight: 900; font-size: clamp(5rem, 30vw, 14rem); line-height: .8; letter-spacing: -.05em; color: #dde8ec; }
.pie-aviso { margin-top: 1.2rem; color: var(--tinta-3); font-size: .82rem; max-width: 74ch; }
.pie-firma { margin-top: .8rem; font-size: .9rem; }
.pie-firma a { color: var(--teal); font-weight: 700; }
@media (min-width: 900px) { .pie { padding-bottom: 4rem; } }

/* ---------- Barra fija (teléfono) ---------- */
.cita-barra { position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); z-index: 60; display: flex; align-items: center; justify-content: space-between; gap: .8rem;
  max-width: 520px; margin-inline: auto; padding: 8px 8px 8px 18px; border-radius: 99px; background: rgb(255 255 255 / .88); -webkit-backdrop-filter: blur(14px) saturate(1.5); backdrop-filter: blur(14px) saturate(1.5);
  box-shadow: 0 20px 44px -16px rgb(13 34 56 / .45), inset 0 0 0 1px rgb(255 255 255); transition: transform .6s var(--ease), opacity .4s; }
.cita-barra[hidden] { display: flex; transform: translateY(140%); opacity: 0; pointer-events: none; }
.cita-barra-estado { display: flex; align-items: center; gap: .55rem; font-size: .84rem; font-weight: 600; color: var(--tinta-2); min-width: 0; }
.cita-barra-estado.cerrado .punto { background: #a6b3bf; box-shadow: 0 0 0 4px rgb(166 179 191 / .25); }
@media (min-width: 900px) { .cita-barra { display: none !important; } }

/* ---------- Panel de vista previa (demo) ---------- */
.panel { width: min(500px, 100% - 24px); padding: 0; border: 0; border-radius: var(--r); background: #fbfdfd; color: var(--tinta); }
.panel::backdrop { background: rgb(13 34 56 / .4); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.panel-in { position: relative; padding: 1.5rem; display: grid; gap: .9rem; }
.panel .antetitulo { margin-bottom: 0; }
.panel h2 { font-family: var(--display); font-weight: 800; font-size: 1.8rem; line-height: 1.05; letter-spacing: -.02em; padding-right: 2.4rem; }
.panel .nota { margin-top: 0; }
.cerrar { position: absolute; right: 12px; top: 12px; z-index: 2; width: 40px; height: 40px; border-radius: 50%; border: 0; background: rgb(13 34 56 / .07); font-size: 1.6rem; line-height: 1; cursor: pointer; color: inherit; }
.wa-chat { padding: 1rem; border-radius: 16px; background: #0b141a; }
.wa-burbuja { margin-left: auto; max-width: 92%; padding: .7rem .9rem 1.2rem; border-radius: 12px 12px 2px 12px; background: #005c4b; color: #e9edef; font-size: .9rem; line-height: 1.45; white-space: pre-line; position: relative; }
.wa-burbuja::after { content: "✓✓"; position: absolute; right: 8px; bottom: 4px; font-size: .65rem; color: #53bdeb; }
.demo-cta { padding-top: 1rem; border-top: 1px solid var(--linea); display: grid; gap: .7rem; }
.demo-cta p { font-family: var(--display); font-weight: 800; font-size: 1.3rem; line-height: 1.15; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .desliza i::after, .mapa-ruta, .pin-onda { animation: none; }
}
.sim-et { font-size: .8rem; font-weight: 600; color: var(--tinta-3); margin-bottom: -.6rem; }
@media (max-width: 899px) { .desliza { display: none; } }
#campoMotivo { position: relative; z-index: 5; }
.sin-3d .fase-1 { order: -1; }