/* Clínica Lumen — web de ejemplo (rubro clínicas, dentistas y estética). Negocio ficticio; diseño propio, distinto del de Strike. */

@font-face { font-family: "Poppins"; src: url("/demo/fonts/poppins-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Poppins"; src: url("/demo/fonts/poppins-600.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/demo/fonts/inter-latin.woff2") format("woff2"); font-weight: 400 600; font-style: normal; font-display: swap; }

:root {
  --hueso: #f7f5f0; --hueso-hondo: #ece8df; --blanco: #ffffff;
  --pizarra: #172633; --pizarra-media: #223647; --tinta-suave: #4a5a69;
  --petroleo: #0d6468; --petroleo-hondo: #094c50; --agua: #cfe6e3; --agua-viva: #8fd3cd;
  --niebla: #b9c5cf;
  --titular: "Poppins", "Segoe UI", system-ui, sans-serif;
  --texto: "Inter", "Segoe UI", system-ui, sans-serif;
  --suave: cubic-bezier(0.22, 1, 0.36, 1);
  --linea: rgba(23, 38, 51, 0.14);
  --linea-clara: rgba(247, 245, 240, 0.2);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scrollbar-color: var(--petroleo) var(--hueso-hondo); }
body { margin: 0; background: var(--hueso); color: var(--pizarra); font: 400 1.0625rem/1.65 var(--texto); overflow-x: hidden; }
::selection { background: var(--agua); color: var(--pizarra); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 0.22em; text-decoration-thickness: 1px; }
:focus-visible { outline: 2px solid var(--petroleo); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { margin: 0; font-family: var(--titular); font-weight: 600; letter-spacing: -0.03em; line-height: 1.08; text-wrap: balance; }
p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }
[id] { scroll-margin-top: 5.5rem; }
.ancho { width: 100%; max-width: 76rem; margin-inline: auto; padding-inline: clamp(1.25rem, 0.5rem + 3.5vw, 3.5rem); }
.saltar { position: absolute; left: -999px; }
.saltar:focus { left: 1rem; top: 1rem; z-index: 99; padding: 0.75rem 1rem; background: var(--pizarra); color: var(--hueso); }
.solo-lector { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 3.25rem; padding: 0.7rem 1.5rem; cursor: pointer;
  background: var(--petroleo); color: var(--blanco); border: 0; border-radius: 0.625rem; font: 500 1rem/1.1 var(--titular); letter-spacing: -0.01em; text-decoration: none;
  transition: background-color 0.3s ease-out, transform 0.4s var(--suave), box-shadow 0.4s var(--suave);
}
.btn:hover { background: var(--petroleo-hondo); transform: translateY(-2px); box-shadow: 0 16px 26px -16px rgba(13, 100, 104, 0.9); }
.btn:active { transform: translateY(0); }
.btn--chico { min-height: 2.75rem; padding: 0.5rem 1.05rem; font-size: 0.9375rem; }
.enlace { display: inline-flex; align-items: center; gap: 0.55rem; min-height: 2.75rem; font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--linea); transition: color 0.3s ease-out, border-color 0.3s ease-out; }
.enlace svg { width: 1.3rem; height: 1.3rem; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.enlace:hover { color: var(--petroleo); border-color: var(--petroleo); }

/* Cabecera */
.cab { position: sticky; top: 0; z-index: 30; background: var(--hueso); border-bottom: 1px solid var(--linea); }
.cab__fila { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.5rem; }
.marca { display: inline-flex; align-items: center; gap: 0.7rem; min-height: 2.75rem; text-decoration: none; }
.marca svg { width: 2.25rem; height: 2.25rem; fill: none; stroke: var(--petroleo); stroke-width: 1.5; }
.marca svg .lleno { fill: var(--petroleo); stroke: none; }
.marca span { font: 600 1.25rem/1 var(--titular); letter-spacing: -0.03em; }
.marca small { display: block; margin-top: 0.3rem; font: 500 0.6875rem/1 var(--texto); letter-spacing: 0.02em; color: var(--tinta-suave); }
.cab__nav { display: none; gap: 2rem; font-size: 0.9375rem; font-weight: 500; }
.cab__nav a { text-decoration: none; padding-block: 0.75rem; background: linear-gradient(var(--petroleo), var(--petroleo)) 0 100% / 0 1.5px no-repeat; transition: background-size 0.4s var(--suave), color 0.3s ease-out; }
.cab__nav a:hover { background-size: 100% 1.5px; color: var(--petroleo); }
@media (min-width: 62rem) { .cab__nav { display: flex; } }
.cab .btn { white-space: nowrap; }
@media (max-width: 34rem) { .marca small { display: none; } .marca span { font-size: 1.125rem; } .cab__fila { gap: 0.75rem; } }

/* Portada */
.portada { padding-block: clamp(2.5rem, 1rem + 5vw, 5.5rem) clamp(3.5rem, 2rem + 6vw, 7rem); }
.portada__grilla { display: grid; gap: clamp(2.75rem, 6vw, 5rem); align-items: center; }
.portada h1 { font-size: clamp(2.5rem, 1.3rem + 5.2vw, 4.75rem); max-width: 13ch; }
.portada h1 span { color: var(--petroleo); }
.bajada { margin-top: 1.5rem; font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem); max-width: 46ch; color: var(--tinta-suave); }
.acciones { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.75rem; margin-top: 2.25rem; }
.datos { display: grid; gap: 1.1rem 2rem; margin-top: clamp(2.5rem, 6vw, 4rem); padding-top: 1.5rem; border-top: 1px solid var(--linea); font-size: 0.875rem; line-height: 1.45; color: var(--tinta-suave); }
.datos b { display: block; margin-bottom: 0.25rem; font: 600 1rem/1.2 var(--titular); letter-spacing: -0.01em; color: var(--pizarra); }
@media (min-width: 34rem) { .datos { grid-template-columns: repeat(3, 1fr); } }

.luz { position: relative; width: min(100%, 27rem); margin-inline: auto; padding-bottom: 4.5rem; }
.luz svg { width: 100%; height: auto; aspect-ratio: 480 / 540; border-radius: 1.25rem; background: var(--pizarra); }
.luz circle { fill: none; stroke: var(--agua-viva); stroke-width: 1.25; }
.luz .l-nucleo { fill: var(--hueso); stroke: none; }
.luz .l-anillo { stroke: var(--hueso); stroke-width: 1.25; }
.luz .l-regla { fill: none; stroke: var(--niebla); stroke-width: 1.25; opacity: 0.7; }
.luz .l-eje { fill: none; stroke: var(--agua-viva); stroke-width: 1.25; stroke-dasharray: 2 7; opacity: 0.6; }
.ficha { position: absolute; left: -0.25rem; right: 2.5rem; bottom: 0; padding: 1.25rem 1.4rem 1.35rem; background: var(--blanco); border: 1px solid var(--linea); border-radius: 0.875rem; box-shadow: 0 30px 50px -30px rgba(23, 38, 51, 0.55); }
.ficha h2 { font-size: 1.0625rem; letter-spacing: -0.02em; }
.ficha ul { margin-top: 0.8rem; font-size: 0.9375rem; line-height: 1.4; }
.ficha li { display: flex; justify-content: space-between; gap: 1rem; padding-block: 0.5rem; border-top: 1px solid var(--linea); color: var(--tinta-suave); }
.ficha li b { font-weight: 600; color: var(--pizarra); font-variant-numeric: tabular-nums; white-space: nowrap; }
.ficha p { margin-top: 0.6rem; font-size: 0.8125rem; line-height: 1.45; color: var(--tinta-suave); }
@media (min-width: 62rem) {
  .portada__grilla { grid-template-columns: 1.15fr 0.85fr; }
  .luz { width: 100%; max-width: 29rem; justify-self: end; }
  .ficha { left: -3.5rem; right: 4rem; }
}
@media (prefers-reduced-motion: no-preference) {
  .portada__texto > * { animation: aparece 1s var(--suave) both; }
  .portada__texto > :nth-child(2) { animation-delay: 0.1s; } .portada__texto > :nth-child(3) { animation-delay: 0.2s; } .portada__texto > :nth-child(4) { animation-delay: 0.32s; }
  .luz .l-onda { stroke-dasharray: 1; animation: traza 2.2s var(--suave) both; animation-delay: calc(0.25s + var(--n) * 0.14s); }
  .luz .l-nucleo { transform-box: fill-box; transform-origin: center; animation: enciende 1.2s 0.1s var(--suave) both; }
  .ficha { animation: aparece 1s 0.75s var(--suave) both; }
  @keyframes traza { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
  @keyframes enciende { from { transform: scale(0); } }
  @keyframes aparece { from { opacity: 0; transform: translateY(18px); } }
}

/* Secciones */
.seccion { padding-block: clamp(4rem, 2.5rem + 7vw, 8.5rem); }
.seccion--pizarra { background: var(--pizarra); color: var(--hueso); }
.seccion--honda { background: var(--hueso-hondo); }
.titular h2 { font-size: clamp(2rem, 1.3rem + 3.2vw, 3.5rem); max-width: 16ch; }
.titular p { margin-top: 1.1rem; max-width: 46ch; color: var(--tinta-suave); }
.seccion--pizarra .titular p { color: var(--niebla); }
.titular--fila { display: grid; gap: 0 4rem; }
@media (min-width: 62rem) { .titular--fila { grid-template-columns: 1fr 1fr; align-items: end; } .titular--fila p { margin-top: 0; justify-self: end; } }

/* Tratamientos: tabla editorial */
.trat { position: relative; margin-top: clamp(2.5rem, 5vw, 4rem); border-top: 1.5px solid var(--pizarra); }
.trat__cab { display: none; }
.trat > li:not(.trat__cab) { display: grid; gap: 0.9rem 2.5rem; padding-block: clamp(1.75rem, 4vw, 2.25rem); border-bottom: 1px solid var(--linea); transition: background-color 0.4s ease-out; }
.trat h3 { font-size: clamp(1.5rem, 1.2rem + 1.3vw, 2rem); }
.trat p { max-width: 46ch; color: var(--tinta-suave); }
.trat dl { display: flex; flex-wrap: wrap; gap: 0.75rem 2.5rem; }
.trat dt { font-size: 0.8125rem; color: var(--tinta-suave); }
.trat dd { margin-top: 0.1rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.trat dd small { font-size: 0.8125rem; font-weight: 400; color: var(--tinta-suave); }
.trat a { justify-self: start; display: inline-flex; align-items: center; gap: 0.6rem; min-height: 2.75rem; font: 500 0.9375rem/1 var(--titular); color: var(--petroleo); text-decoration: none; }
.trat a svg { width: 1.25rem; height: 1.25rem; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: transform 0.4s var(--suave); }
.trat a:hover svg { transform: translateX(5px); }
@media (min-width: 62rem) {
  .trat > li.trat__cab, .trat > li:not(.trat__cab) { display: grid; grid-template-columns: 1.05fr 1.7fr 0.85fr 0.9fr 6.5rem; gap: 0 2.5rem; align-items: baseline; padding-inline: 1rem; margin-inline: -1rem; }
  .trat > li.trat__cab { padding-block: 0.9rem; border-bottom: 1px solid var(--linea); font-size: 0.8125rem; color: var(--tinta-suave); }
  .trat > li:not(.trat__cab):hover { background: var(--blanco); }
  .trat dl { display: contents; }
  .trat dt { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .trat dd { margin: 0; }
  .trat dd small { display: block; margin-top: 0.15rem; }
  .trat a { justify-self: end; align-self: center; }
}

/* Primera visita: el orden importa */
.visita__grilla { display: grid; gap: 2.75rem; }
.pasos { position: relative; counter-reset: paso; }
.pasos li { counter-increment: paso; position: relative; display: grid; grid-template-columns: 3rem 1fr; gap: 0 1.5rem; padding-bottom: 2.5rem; }
.pasos li:last-child { padding-bottom: 0; }
.pasos li::before { content: counter(paso); grid-row: 1 / span 3; z-index: 1; display: grid; place-items: center; width: 3rem; height: 3rem; border: 1.5px solid var(--agua-viva); border-radius: 50%; background: var(--pizarra); font: 600 1.125rem/1 var(--titular); color: var(--agua-viva); }
.pasos li::after { content: ""; position: absolute; left: calc(1.5rem - 0.5px); top: 3rem; bottom: 0; width: 1px; background: var(--linea-clara); }
.pasos li:last-child::after { display: none; }
.pasos h3 { grid-column: 2; padding-top: 0.6rem; font-size: 1.375rem; letter-spacing: -0.02em; }
.pasos p { grid-column: 2; margin-top: 0.6rem; max-width: 44ch; color: var(--niebla); }
.pasos .tiempo { margin-top: 0.75rem; font-size: 0.875rem; font-weight: 500; color: var(--agua-viva); }
@media (min-width: 62rem) {
  .visita__grilla { grid-template-columns: 0.9fr 1.1fr; gap: 6rem; }
  .visita__grilla .titular { position: sticky; top: 7.5rem; align-self: start; }
}

/* Equipo: filas */
.equipo { margin-top: clamp(2.5rem, 5vw, 4rem); border-top: 1.5px solid var(--pizarra); }
.equipo li { display: grid; grid-template-columns: 4rem 1fr; gap: 0.25rem 1.25rem; padding-block: 1.75rem; border-bottom: 1px solid var(--linea); }
.sigla { grid-row: 1 / span 2; display: grid; place-items: center; width: 4rem; height: 4rem; border-radius: 0.875rem; background: var(--agua); font: 600 1.25rem/1 var(--titular); letter-spacing: -0.02em; color: var(--petroleo-hondo); }
.equipo li:nth-child(2) .sigla { background: var(--pizarra); color: var(--agua-viva); }
.equipo li:nth-child(3) .sigla { background: var(--blanco); box-shadow: inset 0 0 0 1.5px var(--petroleo); color: var(--petroleo); }
.equipo h3 { align-self: end; font-size: 1.375rem; letter-spacing: -0.02em; }
.rol { font-size: 0.9375rem; font-weight: 500; color: var(--petroleo); }
.equipo .sobre { grid-column: 1 / -1; margin-top: 0.75rem; max-width: 52ch; color: var(--tinta-suave); }
.equipo .registro { grid-column: 1 / -1; margin-top: 0.4rem; font-size: 0.8125rem; color: var(--tinta-suave); }
@media (min-width: 62rem) {
  .equipo li { grid-template-columns: 4rem 1fr 1.35fr 13rem; gap: 0.25rem 2.5rem; align-items: center; }
  .equipo .sobre { grid-column: 3; grid-row: 1 / span 2; margin: 0; }
  .equipo .registro { grid-column: 4; grid-row: 1 / span 2; margin: 0; text-align: right; }
}

/* Financiamiento */
.pago__grilla { display: grid; gap: 2.75rem; }
.ejemplo { margin-top: 2.25rem; padding: 1.4rem 1.5rem; background: var(--blanco); border: 1px solid var(--linea); border-radius: 0.875rem; max-width: 26rem; }
.ejemplo span { display: block; font-size: 0.875rem; color: var(--tinta-suave); }
.ejemplo b { display: block; margin-block: 0.35rem 0.3rem; font: 600 clamp(1.75rem, 1.4rem + 1.4vw, 2.25rem)/1.05 var(--titular); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; color: var(--petroleo); }
.condiciones { position: relative; border-top: 1.5px solid var(--pizarra); }
.condiciones > div { display: grid; gap: 0.3rem 2rem; padding-block: 1.35rem; border-bottom: 1px solid var(--linea); }
.condiciones dt { font: 600 1.125rem/1.3 var(--titular); letter-spacing: -0.02em; }
.condiciones dd { color: var(--tinta-suave); max-width: 44ch; }
@media (min-width: 40rem) { .condiciones > div { grid-template-columns: 12rem 1fr; align-items: baseline; } }
@media (min-width: 62rem) { .pago__grilla { grid-template-columns: 0.85fr 1.15fr; gap: 6rem; align-items: start; } }

/* Preguntas */
.preguntas__grilla { display: grid; gap: 2.5rem; }
.preguntas { position: relative; border-top: 1.5px solid var(--pizarra); }
.preguntas details { border-bottom: 1px solid var(--linea); }
.preguntas summary { display: flex; justify-content: space-between; align-items: center; gap: 1.25rem; min-height: 4.25rem; padding-block: 1rem; cursor: pointer; list-style: none; font: 500 1.1875rem/1.3 var(--titular); letter-spacing: -0.02em; transition: color 0.3s ease-out; }
.preguntas summary::-webkit-details-marker { display: none; }
.preguntas summary:hover { color: var(--petroleo); }
.preguntas summary::after { content: ""; flex: none; width: 0.875rem; height: 0.875rem; background: linear-gradient(var(--petroleo), var(--petroleo)) center / 100% 1.5px no-repeat, linear-gradient(var(--petroleo), var(--petroleo)) center / 1.5px 100% no-repeat; transition: transform 0.4s var(--suave); }
.preguntas details[open] summary::after { transform: rotate(45deg); }
.preguntas details p { padding-bottom: 1.5rem; max-width: 56ch; color: var(--tinta-suave); }
@media (min-width: 62rem) { .preguntas__grilla { grid-template-columns: 0.8fr 1.2fr; gap: 6rem; } }

/* Evaluación */
.evalua__grilla { display: grid; gap: 2.75rem; align-items: start; }
.contacto { margin-top: 2.25rem; border-top: 1px solid var(--linea-clara); font-size: 0.9375rem; }
.contacto > div { display: grid; grid-template-columns: 6.5rem 1fr; gap: 1rem; padding-block: 0.9rem; border-bottom: 1px solid var(--linea-clara); }
.contacto dt { color: var(--niebla); }
.contacto dd { font-weight: 500; }
.formulario { position: relative; padding: clamp(1.5rem, 4vw, 2.75rem); background: var(--hueso); color: var(--pizarra); border-radius: 1.125rem; }
.formulario form { display: grid; gap: 0.5rem; }
.formulario label, .formulario legend { margin-top: 0.9rem; padding: 0; font-size: 0.875rem; font-weight: 600; }
.formulario form > label:first-child { margin-top: 0; }
.formulario input[type="text"], .formulario select {
  width: 100%; min-height: 3.25rem; padding: 0.6rem 1rem; font: 400 1.0625rem/1.3 var(--texto); color: var(--pizarra);
  background: var(--blanco); border: 1px solid rgba(23, 38, 51, 0.32); border-radius: 0.625rem; caret-color: var(--petroleo); transition: border-color 0.3s ease-out, box-shadow 0.3s ease-out;
}
.formulario input[type="text"]::placeholder { color: var(--tinta-suave); }
.formulario input[type="text"]:focus-visible, .formulario select:focus-visible { outline: 0; border-color: var(--petroleo); box-shadow: 0 0 0 3px rgba(13, 100, 104, 0.22); }
.formulario fieldset { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 0; padding: 0; border: 0; min-width: 0; }
.formulario legend { width: 100%; margin-bottom: 0.5rem; }
.opcion { position: relative; margin: 0 !important; cursor: pointer; }
.opcion input { position: absolute; opacity: 0; }
.opcion span { display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0 1.1rem; background: var(--blanco); border: 1px solid rgba(23, 38, 51, 0.32); border-radius: 0.625rem; font-weight: 400; transition: background-color 0.3s ease-out, color 0.3s ease-out, border-color 0.3s ease-out; }
.opcion input:checked + span { background: var(--pizarra); color: var(--hueso); border-color: var(--pizarra); }
.opcion input:focus-visible + span { outline: 2px solid var(--petroleo); outline-offset: 3px; }
.formulario .btn { margin-top: 1.5rem; justify-self: start; }
.letra-chica { margin-top: 0.75rem; font-size: 0.8125rem; line-height: 1.5; color: var(--tinta-suave); }
.listo[hidden], form[hidden] { display: none; }
.listo { outline: 0; }
.listo svg { width: 3.5rem; height: 3.5rem; margin-bottom: 1.25rem; fill: var(--agua); stroke: var(--petroleo-hondo); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.listo svg circle { stroke: none; }
.listo h3 { font-size: 1.75rem; }
.listo p { margin: 0.9rem 0 1.5rem; max-width: 46ch; color: var(--tinta-suave); }
@media (prefers-reduced-motion: no-preference) { .listo:not([hidden]) { animation: aparece 0.7s var(--suave); } }
@media (min-width: 62rem) { .evalua__grilla { grid-template-columns: 0.85fr 1.15fr; gap: 6rem; } }

/* Pie */
.pie { background: var(--hueso); border-top: 1px solid var(--linea); padding-block: 2.75rem; font-size: 0.875rem; color: var(--tinta-suave); }
.pie__fila { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 1rem 2.5rem; }
.pie__marca { font: 600 1.375rem/1 var(--titular); letter-spacing: -0.03em; color: var(--pizarra); }
.pie__marca small { display: block; margin-top: 0.5rem; font: 400 0.8125rem/1.4 var(--texto); letter-spacing: 0; color: var(--tinta-suave); }
.pie a { display: inline-flex; align-items: center; min-height: 2.75rem; }
.pie a:hover { color: var(--petroleo); }

/* Entradas al bajar: solo con JavaScript (sitio.js) y fuera de la primera pantalla */
.por-entrar { opacity: 0; transform: translateY(24px); }
.entra { transition: opacity 0.9s ease-out, transform 1.1s var(--suave); transition-delay: calc(var(--i, 0) * 100ms); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}