/* Lyceo Academia — hoja de estilos
   Concepto: el "boli rojo" del profesor sobre papel cuadriculado.
   El rojo de la marca hace de tinta de corrección (círculos, subrayados, ticks);
   todo lo demás es papel blanco y tinta oscura. */

@font-face { font-family: "Montserrat"; font-weight: 700; font-style: normal; font-display: swap; src: url("../fonts/montserrat-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-weight: 800; font-style: normal; font-display: swap; src: url("../fonts/montserrat-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/inter-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500 700; font-style: normal; font-display: swap; src: url("../fonts/inter-latin-500-normal.woff2") format("woff2"); }

:root {
  /* Color: paleta corporativa de Lyceo (rojo, carbón, grises y blanco) */
  --rojo: #C41B2A;          /* Rojo Lyceo */
  --rojo-tinta: #9E1422;    /* rojo oscuro: hover y enlaces */
  --rojo-suave: #FBEDEE;    /* avisos */
  --papel: #FFFFFF;         /* Blanco */
  --papel-2: #F6F6F6;       /* blanco roto para alternar secciones */
  --tinta: #1F1F1F;         /* Carbón */
  --tinta-2: #555555;       /* texto secundario (el Gris #7A7A7A no llega al contraste mínimo en texto pequeño) */
  --gris: #7A7A7A;          /* Gris corporativo: iconos y textos grandes */
  --raya: #E6E6E6;          /* Gris claro */
  --cuadricula: rgba(196, 27, 42, 0.07);

  /* Tipografía */
  --f-display: "Montserrat", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-texto: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  /* Escala */
  --t-xs: 0.8125rem;
  --t-s: 0.9375rem;
  --t-m: 1.0625rem;
  --t-l: 1.25rem;
  --t-xl: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
  --t-2xl: clamp(1.9rem, 1.4rem + 2.2vw, 2.9rem);
  --t-3xl: clamp(2.3rem, 1.6rem + 3.4vw, 3.9rem);

  --radio: 6px;
  --ancho: 1120px;
  --lectura: 64ch;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--f-texto);
  font-size: var(--t-m);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--rojo-tinta); text-underline-offset: 3px; }
a:hover { color: var(--rojo); }
:focus-visible { outline: 3px solid var(--rojo); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 800; line-height: 1.12; letter-spacing: -0.01em; text-wrap: balance; margin: 0; }
h1 { font-size: var(--t-3xl); }
h2 { font-size: var(--t-2xl); }
h3 { font-size: var(--t-l); font-weight: 700; }
p { margin: 0; }
ul { margin: 0; padding: 0; }

.envoltorio {
  width: 100%;
  max-width: calc(var(--ancho) + 2 * 24px);
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 700px) { .envoltorio { padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: max(24px, env(safe-area-inset-right, 0px)); } }

.saltar { position: absolute; left: -9999px; top: 8px; background: var(--tinta); color: var(--papel); padding: 8px 12px; z-index: 50; }
.saltar:focus { left: 8px; }

/* ---------- Cabecera ---------- */
.cabecera {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--raya);
}
.cabecera .envoltorio { display: flex; align-items: center; gap: 16px; min-height: 68px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--tinta); margin-right: auto; }
.marca img { width: 48px; height: 48px; }
.marca span { font-family: var(--f-display); font-weight: 800; font-size: 1.05rem; letter-spacing: 0.04em; text-transform: uppercase; line-height: 1.05; }
.marca small { display: block; font-family: var(--f-texto); font-weight: 400; font-size: var(--t-xs); letter-spacing: 0.02em; text-transform: none; color: var(--tinta-2); }

.menu-boton {
  display: inline-flex; align-items: center; gap: 8px;
  font: 700 var(--t-s) var(--f-display);
  background: none; border: 1px solid var(--raya); border-radius: var(--radio);
  padding: 9px 12px; color: var(--tinta); cursor: pointer;
}
.menu-boton svg { width: 18px; height: 18px; }
.nav { display: none; }
.nav.abierta {
  display: block; position: absolute; left: 0; right: 0; top: 100%;
  background: var(--papel); border-bottom: 1px solid var(--raya);
  padding: 8px max(16px, env(safe-area-inset-right, 0px)) 16px max(16px, env(safe-area-inset-left, 0px));
}
.nav ul { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.nav a {
  display: block; padding: 10px 4px; text-decoration: none; color: var(--tinta);
  font-family: var(--f-display); font-weight: 700; font-size: var(--t-s);
}
.nav a[aria-current="page"] { color: var(--rojo); }
.nav .nav-llamar { display: inline-block; margin-top: 8px; }
.cabecera .cabecera-tel { display: none; }

@media (min-width: 960px) {
  .menu-boton { display: none; }
  .nav, .nav.abierta { display: block; position: static; padding: 0; border: 0; background: none; }
  .nav ul { flex-direction: row; gap: 22px; align-items: center; }
  .nav a { padding: 6px 0; position: relative; }
  .nav a[aria-current="page"]::after {
    content: ""; position: absolute; left: -2px; right: -2px; bottom: -4px; height: 8px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' preserveAspectRatio='none'%3E%3Cpath d='M2 5 C 30 1, 70 7, 98 3' fill='none' stroke='%23C41B2A' stroke-width='2.4' stroke-linecap='round' vector-effect='non-scaling-stroke'/%3E%3C/svg%3E") center / 100% 100% no-repeat;
  }
  .nav .nav-llamar { display: none; }
  .cabecera .cabecera-tel { display: inline-flex; }
}

/* ---------- Botones ---------- */
.botones { display: flex; flex-wrap: wrap; gap: 12px; }
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--f-display); font-weight: 700; font-size: var(--t-s);
  text-decoration: none; line-height: 1.2;
  padding: 13px 20px; border-radius: var(--radio); border: 2px solid transparent;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.boton svg { width: 18px; height: 18px; flex: none; }
.boton-rojo { background: var(--rojo); color: #fff; }
.boton-rojo:hover { background: var(--rojo-tinta); color: #fff; }
.boton-linea { border-color: var(--tinta); color: var(--tinta); background: var(--papel); }
.boton-linea:hover { border-color: var(--rojo); color: var(--rojo-tinta); }
.boton-wa { border-color: #1d7a46; color: #155c34; background: var(--papel); }
.boton-wa:hover { background: #effaf3; color: #155c34; }
.boton-peque { padding: 9px 14px; }

/* ---------- Marcas de boli rojo ---------- */
.rodeado { position: relative; display: inline-block; white-space: nowrap; padding: 0 0.12em; }
.rodeado svg {
  position: absolute; left: -0.28em; right: -0.28em; top: -0.22em; bottom: -0.28em;
  width: calc(100% + 0.56em); height: calc(100% + 0.5em); overflow: visible; pointer-events: none;
}
.rodeado path, .subrayado path { fill: none; stroke: var(--rojo); stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.rodeado path { stroke-width: 3.2; stroke-dasharray: 640; stroke-dashoffset: 0; animation: trazo 1s .35s cubic-bezier(.6,.05,.3,1) both; }
.subrayado { position: relative; display: inline-block; white-space: nowrap; }
.subrayado svg { position: absolute; left: 0; right: 0; bottom: -0.32em; width: 100%; height: 0.5em; overflow: visible; pointer-events: none; }
.subrayado path { stroke-width: 3; }
@keyframes trazo { from { stroke-dashoffset: 640; } to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) { .rodeado path { animation: none; } html { scroll-behavior: auto; } }

.lista-tick { list-style: none; display: grid; gap: 10px; }
.lista-tick li { position: relative; padding-left: 30px; }
.lista-tick li::before {
  content: ""; position: absolute; left: 0; top: 0.3em; width: 20px; height: 16px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 20'%3E%3Cpath d='M2 11 L9 17 L22 2' fill='none' stroke='%23C41B2A' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat;
}

.antetitulo {
  font-family: var(--f-display); font-weight: 700; font-size: var(--t-xs);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--rojo-tinta);
}

/* ---------- Portada ---------- */
.portada {
  position: relative; overflow: hidden;
  background-color: var(--papel);
  background-image:
    linear-gradient(var(--cuadricula) 1px, transparent 1px),
    linear-gradient(90deg, var(--cuadricula) 1px, transparent 1px);
  background-size: 26px 26px;
  border-bottom: 1px solid var(--raya);
}
.portada::after { content: ""; position: absolute; inset: auto 0 0 0; height: 90px; background: linear-gradient(transparent, var(--papel)); pointer-events: none; }
.portada .envoltorio { position: relative; z-index: 1; display: grid; gap: 40px; padding-block: 56px 72px; }
@media (min-width: 900px) { .portada .envoltorio { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: center; padding-block: 88px 104px; } }
.portada-texto { display: grid; gap: 22px; min-width: 0; }
.portada-texto .entradilla { font-size: var(--t-l); color: var(--tinta-2); max-width: 46ch; }

/* Ficha: tarjeta tipo ficha escolar con los datos clave */
.ficha {
  background: var(--papel); border: 1px solid var(--raya); border-radius: var(--radio);
  box-shadow: 0 18px 40px -24px rgba(31, 31, 31, 0.35);
  padding: 22px 22px 18px; min-width: 0; position: relative;
}
.ficha::before { content: ""; position: absolute; left: 22px; right: 22px; top: 0; height: 4px; background: var(--rojo); border-radius: 0 0 3px 3px; }
.ficha h2 { font-size: var(--t-s); letter-spacing: 0.12em; text-transform: uppercase; color: var(--tinta-2); font-weight: 700; margin-bottom: 8px; }
.ficha dl { margin: 0; display: grid; }
.ficha .fila { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--raya); }
.ficha .fila:last-child { border-bottom: 0; }
.ficha dt { font-family: var(--f-display); font-weight: 700; font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--rojo-tinta); padding-top: 3px; }
.ficha dd { margin: 0; font-size: var(--t-m); }
.ficha dd a { color: var(--tinta); }

/* ---------- Secciones ---------- */
.seccion { padding-block: 72px; }
.seccion-gris { background: var(--papel-2); border-block: 1px solid var(--raya); }
.seccion-cabeza { display: grid; gap: 12px; margin-bottom: 36px; max-width: 760px; }
.seccion-cabeza p { color: var(--tinta-2); font-size: var(--t-l); }
.texto-largo { display: grid; gap: 18px; max-width: var(--lectura); }
.texto-largo p { font-size: var(--t-m); }

.rejilla { display: grid; gap: 20px; }
@media (min-width: 640px) { .rejilla-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 640px) { .rejilla-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .rejilla-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 860px) { .rejilla-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.rasgo { display: grid; gap: 8px; align-content: start; padding-top: 18px; border-top: 2px solid var(--tinta); }
.rasgo .num { font-family: var(--f-display); font-weight: 800; font-size: 2.2rem; line-height: 1; color: var(--rojo); }
.rasgo p { color: var(--tinta-2); }

/* Niveles */
.nivel {
  display: grid; grid-template-rows: auto auto 1fr auto; gap: 14px;
  background: var(--papel); border: 1px solid var(--raya); border-radius: var(--radio);
  padding: 24px; min-width: 0;
}
.nivel .curso { font-family: var(--f-display); font-weight: 700; font-size: var(--t-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--tinta-2); }
.nivel h3 { font-size: var(--t-xl); font-weight: 800; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; align-content: start; }
.chips li { font-size: var(--t-s); padding: 4px 10px; border: 1px solid var(--raya); border-radius: 999px; background: var(--papel-2); }
.nivel .enlace { font-family: var(--f-display); font-weight: 700; font-size: var(--t-s); text-decoration: none; }
.nivel .enlace::after { content: " →"; }

/* Bloque dividido */
.dividido { display: grid; gap: 40px; align-items: start; }
@media (min-width: 900px) { .dividido { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; } }

/* Aula */
.aula-precios { display: grid; gap: 0; border: 1px solid var(--raya); border-radius: var(--radio); overflow: hidden; background: var(--papel); }
.aula-precios .fila { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 16px 20px; border-bottom: 1px solid var(--raya); }
.aula-precios .fila:last-child { border-bottom: 0; }
.aula-precios .precio { font-family: var(--f-display); font-weight: 800; font-size: var(--t-xl); color: var(--rojo); white-space: nowrap; font-variant-numeric: tabular-nums; }
.aula-precios .precio small { font-size: var(--t-s); color: var(--tinta-2); font-weight: 700; }
.nota { font-size: var(--t-s); color: var(--tinta-2); }

/* Preguntas frecuentes */
.faq { display: grid; border-top: 1px solid var(--raya); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--raya); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center;
  padding: 18px 2px; font-family: var(--f-display); font-weight: 700; font-size: var(--t-m);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--rojo); flex: none; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .respuesta { padding: 0 2px 20px; color: var(--tinta-2); max-width: var(--lectura); }

/* Horario */
.tabla-scroll { overflow-x: auto; }
.horario { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; min-width: 320px; }
.horario th, .horario td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--raya); }
.horario th { font-family: var(--f-display); font-weight: 700; font-size: var(--t-s); }
.horario td { color: var(--tinta-2); }
.horario .cerrado td { color: var(--tinta-2); }

/* Ubicación */
.ubicacion { display: grid; gap: 28px; }
@media (min-width: 860px) { .ubicacion { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.direccion { font-style: normal; display: grid; gap: 6px; font-size: var(--t-l); }
.direccion strong { font-family: var(--f-display); }
.plano {
  height: 300px; border-radius: var(--radio); border: 1px solid var(--raya); position: relative; overflow: hidden;
  background-color: var(--papel-2);
  background-image: linear-gradient(var(--cuadricula) 1px, transparent 1px), linear-gradient(90deg, var(--cuadricula) 1px, transparent 1px);
  background-size: 26px 26px;
}
.plano .calle { position: absolute; background: #E6E6E6; display: flex; }
.plano .calle span { font: 700 11px var(--f-display); letter-spacing: .1em; text-transform: uppercase; color: var(--tinta-2); white-space: nowrap; }
.plano .calle-h { left: 0; right: 0; top: 42%; height: 30px; align-items: center; justify-content: flex-end; padding-right: 18px; }
.plano .calle-v { top: 0; bottom: 0; left: 46%; width: 30px; justify-content: center; align-items: flex-start; padding-top: 14px; }
.plano .calle-v span { writing-mode: vertical-rl; }
.plano-logo { position: absolute; left: calc(46% + 36px); top: calc(42% - 80px); width: 74px; height: 74px; filter: drop-shadow(0 6px 10px rgba(34,23,25,.25)); }
.plano-boton { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); white-space: nowrap; }

/* Galería (las fotos que falten se ocultan solas) */
.galeria { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.galeria figure { margin: 0; border-radius: var(--radio); overflow: hidden; background: var(--papel-2); aspect-ratio: 4 / 3; max-width: 100%; }
.galeria img { width: 100%; height: 100%; object-fit: cover; }

/* Formulario */
.formulario { display: grid; gap: 16px; background: var(--papel); border: 1px solid var(--raya); border-radius: var(--radio); padding: 24px; min-width: 0; }
.campo { display: grid; gap: 6px; }
.campo label { font-family: var(--f-display); font-weight: 700; font-size: var(--t-s); }
.campo input, .campo select, .campo textarea {
  font: inherit; font-size: 1rem; color: var(--tinta); background: var(--papel);
  border: 1px solid #BDBDBD; border-radius: var(--radio); padding: 11px 12px; width: 100%;
}
.campo textarea { min-height: 120px; resize: vertical; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: 2px solid var(--rojo); outline-offset: 1px; border-color: var(--rojo); }
.campos-2 { display: grid; gap: 16px; }
@media (min-width: 560px) { .campos-2 { grid-template-columns: 1fr 1fr; } }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: var(--t-s); color: var(--tinta-2); }
.check input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--rojo); flex: none; }
.trampa { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.aviso-error { background: var(--rojo-suave); border: 1px solid #f0c3c7; color: var(--rojo-tinta); padding: 12px 14px; border-radius: var(--radio); font-size: var(--t-s); }

/* Cabecera de página interior */
.cabeza-pagina { background: var(--papel-2); border-bottom: 1px solid var(--raya); }
.cabeza-pagina .envoltorio { padding-block: 48px 44px; display: grid; gap: 14px; }
.cabeza-pagina p { color: var(--tinta-2); font-size: var(--t-l); max-width: 60ch; }
.migas { font-size: var(--t-s); color: var(--tinta-2); }
.migas a { color: var(--tinta-2); }

/* Llamada final */
.llamada { background: var(--rojo); color: #fff; }
.llamada .envoltorio { padding-block: 56px; display: grid; gap: 20px; }
@media (min-width: 860px) { .llamada .envoltorio { grid-template-columns: minmax(0, 1fr) auto; align-items: center; } }
.llamada h2 { color: #fff; }
.llamada p { color: #ffe3e5; margin-top: 8px; }
.llamada .boton-blanco { background: #fff; color: var(--rojo-tinta); }
.llamada .boton-blanco:hover { background: #fff3f4; color: var(--rojo-tinta); }
.llamada .boton-borde { border-color: #fff; color: #fff; }
.llamada .boton-borde:hover { background: rgba(255,255,255,.12); color: #fff; }

/* Pie */
.pie { background: var(--tinta); color: #E6E6E6; font-size: var(--t-s); }
.pie .envoltorio { padding-block: 48px 28px; display: grid; gap: 32px; }
.pie-columnas { display: grid; gap: 28px; }
@media (min-width: 760px) { .pie-columnas { grid-template-columns: 1.4fr 1fr 1fr; } }
.pie h2 { font-size: var(--t-xs); letter-spacing: 0.12em; text-transform: uppercase; color: #fff; margin-bottom: 12px; font-weight: 700; }
.pie a { color: #fff; }
.pie a:hover { color: #ffc9ce; }
.pie ul { list-style: none; display: grid; gap: 6px; }
.pie address { font-style: normal; display: grid; gap: 4px; }
.pie .marca-pie { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.pie .marca-pie img { width: 52px; height: 52px; background: #fff; border-radius: 50%; padding: 2px; }
.pie .legal { border-top: 1px solid #3a3a3a; padding-top: 18px; display: flex; flex-wrap: wrap; gap: 8px 20px; color: #B5B5B5; }
.pie .legal a { color: #B5B5B5; }

/* Texto legal */
.legal-texto { display: grid; gap: 14px; max-width: var(--lectura); }
.legal-texto h2 { font-size: var(--t-l); margin-top: 18px; }
.legal-texto ul { padding-left: 20px; display: grid; gap: 6px; }
.legal-texto table { border-collapse: collapse; width: 100%; font-size: var(--t-s); }
.legal-texto th, .legal-texto td { border: 1px solid var(--raya); padding: 8px 10px; text-align: left; vertical-align: top; }

/* Utilidades */
.solo-lector { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mt-l { margin-top: 28px; }

/* Fotos */
.foto { margin: 0; border-radius: var(--radio); overflow: hidden; background: var(--papel-2); aspect-ratio: 4 / 3; max-width: 100%; }
.foto img { width: 100%; height: 100%; object-fit: cover; }
.foto figcaption { font-size: var(--t-xs); color: var(--tinta-2); padding-top: 8px; }
.fotos-2 { display: grid; gap: 14px; }
@media (min-width: 640px) { .fotos-2 { grid-template-columns: 1fr 1fr; } }
.con-pie { aspect-ratio: auto; background: none; }
.con-pie img { aspect-ratio: 4 / 3; height: auto; border-radius: var(--radio); }
.aforo { display: grid; gap: 0; border: 1px solid var(--raya); border-radius: var(--radio); overflow: hidden; }
.aforo .fila { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 14px 18px; border-bottom: 1px solid var(--raya); }
.aforo .fila:last-child { border-bottom: 0; }
.aforo .cifra { font-family: var(--f-display); font-weight: 800; font-size: var(--t-l); white-space: nowrap; }
.lema { font-family: var(--f-display); font-weight: 700; color: #fff; margin-top: 4px; }