/* Causa Raíz · colores del logo: azul noche, cobre y verde */
:root {
  --noche: #172433;
  --noche-2: #1f3044;
  --noche-3: #2a3e55;
  --cobre: #c98a5f;
  --cobre-oscuro: #9a6038;
  --verde: #3f8f6b;
  --fondo: #ffffff;
  --fondo-2: #eef1f4;
  --tinta: #172433;
  --tinta-suave: #34445a;
  --claro: #f3f5f8;
  --claro-suave: #b9c4d0;

  --f-titulo: "Stack Sans Headline", "Montserrat", "Segoe UI", Arial, sans-serif;
  --f-texto: "Stack Sans Text", "Segoe UI", Arial, sans-serif;

  --t-small: clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --t-body: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --t-lead: clamp(1.25rem, 1.1rem + 0.7vw, 1.625rem);
  --t-head: clamp(2rem, 1.3rem + 3.2vw, 4rem);
  --t-hero: clamp(3rem, 1rem + 7vw, 7.25rem);

  --margen: clamp(20px, 3vw, 40px);
  --hueco: clamp(96px, 12vw, 200px);
  --facil: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--tinta);
  font: 400 var(--t-body)/1.5 var(--f-texto);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-family: var(--f-titulo); font-weight: 300; letter-spacing: -0.022em; line-height: 1.05; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--cobre); outline-offset: 3px; }
::selection { background: var(--cobre); color: var(--noche); }
.oculto { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.saltar { position: absolute; left: -999px; top: 8px; background: var(--cobre); color: var(--noche); padding: 10px 16px; z-index: 10; }
.saltar:focus { left: 8px; }

/* Botones: rectos, un solo relleno */
.boton {
  display: inline-block; padding: 14px 26px; border: 0; border-radius: 0;
  font: 500 var(--t-body)/1.2 var(--f-texto); text-decoration: none; cursor: pointer;
  transition: transform .2s var(--facil), background-color .2s;
}
.boton:hover { transform: translateY(-2px); }
.boton:active { transform: translateY(1px); }
.boton-cobre { background: var(--cobre); color: var(--noche); }
.boton-cobre:hover { background: #d89b70; }
.boton-claro { background: var(--claro); color: var(--noche); padding: 10px 20px; }
.boton-claro:hover { background: #fff; }
.boton-oscuro { background: var(--noche); color: var(--claro); width: 100%; padding: 17px; }
.boton-oscuro:hover { background: var(--noche-3); }

/* Barra */
.barra {
  position: absolute; inset: 0 0 auto 0; z-index: 3;
  display: flex; align-items: center; gap: 32px; padding: 22px var(--margen);
  color: var(--claro);
}
.marca { display: flex; align-items: center; gap: 12px; text-decoration: none; font: 300 1.375rem/1 var(--f-titulo); letter-spacing: 0.04em; text-transform: uppercase; color: var(--claro); }
.marca b { color: var(--cobre); font-weight: 400; }
.marca-c { width: 40px; height: 40px; color: var(--cobre); }
.barra nav { display: flex; gap: 28px; margin-left: auto; }
.barra nav a { text-decoration: underline 2px transparent; text-underline-offset: 6px; font-size: 1rem; padding: 6px 0; transition: text-decoration-color .25s; }
.barra nav a:hover { text-decoration-color: var(--cobre); }

/* Portada: el anillo enorme entra por la derecha; las carpetas son los sectores */
.hero {
  position: relative; overflow: hidden; background: var(--noche); color: var(--claro);
  min-height: max(100svh, 760px); display: flex; flex-direction: column;
}
.hero-anillo {
  position: absolute; width: min(118vh, 1100px); height: auto; right: -24vw; top: -8vh;
  color: var(--cobre); opacity: 1;
}
.hero-anillo .check { stroke-width: 5; }
.hero-texto { position: relative; padding: clamp(130px, 18vh, 200px) var(--margen) 0; max-width: 960px; }
.hero h1 { font-size: var(--t-hero); line-height: 0.98; max-width: 11ch; }
.hero-lead { margin-top: 28px; font-size: var(--t-lead); line-height: 1.4; max-width: 34ch; color: var(--claro); }

.carpetas { position: relative; margin-top: auto; padding-top: 56px; height: 330px; }
.carpeta {
  position: absolute; left: 7vw; right: 7vw; height: 100%; text-decoration: none;
  transition: transform .3s var(--facil);
}
.carpeta .pestana {
  position: absolute; top: -40px; height: 40px; padding: 10px 34px 0;
  font-size: 1.0625rem; font-weight: 500; white-space: nowrap;
  clip-path: polygon(14px 0, calc(100% - 14px) 0, 100% 100%, 0 100%);
}
.c1 { top: 56px; background: var(--noche-3); } .c1 .pestana { left: 0; background: var(--noche-3); color: var(--claro); }
.c2 { top: 100px; background: #34506b; } .c2 .pestana { left: 19%; background: #34506b; color: var(--claro); }
.c3 { top: 144px; background: #2f7556; } .c3 .pestana { left: 41%; background: #2f7556; color: #fff; }
.c4 { top: 188px; background: #dfe5ec; } .c4 .pestana { left: 60%; background: #dfe5ec; color: var(--noche); }
.c5 { top: 232px; background: var(--claro); color: var(--noche); } .c5 .pestana { right: 0; background: var(--claro); color: var(--noche); }
a.carpeta:hover { transform: translateY(-10px); }
.carpeta-dentro { padding: 24px 32px; display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.carpeta-dentro p { color: var(--tinta); }

/* Declaración con miniaturas */
.intro { padding: var(--hueco) var(--margen); }
.declaracion {
  max-width: 30ch; margin: 0 auto; font-family: var(--f-titulo); font-weight: 300;
  font-size: clamp(1.5rem, 1rem + 1.6vw, 2.25rem); line-height: 1.3; letter-spacing: -0.015em;
}
.mini { display: inline-block; vertical-align: -0.12em; width: 1.6em; height: 0.9em; margin: 0 0.1em; border-radius: 999px; overflow: hidden; }
.mini img { width: 100%; height: 100%; object-fit: cover; }

/* Catálogo */
.catalogo { background: var(--fondo-2); padding: var(--hueco) var(--margen); }
.catalogo-cabecera { max-width: 1200px; }
.catalogo h2 { font-size: var(--t-head); max-width: 16ch; }
.catalogo-cabecera > p { margin-top: 20px; max-width: 56ch; }
.filtros { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.filtro {
  font: 500 1rem/1 var(--f-texto); padding: 12px 18px; border: 0; border-radius: 999px; cursor: pointer;
  background: #fff; color: var(--tinta); transition: background-color .2s, color .2s, transform .2s var(--facil);
}
.filtro:hover { transform: translateY(-2px); }
.filtro.activo { background: var(--noche); color: var(--claro); }
.leyenda { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 28px; font-size: 1rem; }
.leyenda li { display: flex; align-items: center; gap: 10px; }
.leyenda svg { width: 26px; height: 26px; color: var(--cobre); }

.catalogo-cuerpo { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; margin-top: 72px; }
.vista { position: sticky; top: 40px; align-self: start; aspect-ratio: 1; border-radius: 50%; overflow: hidden; background: var(--noche); }
.vista img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .24s ease, transform 1.2s var(--facil); transform: scale(1.06); }
.vista img.visible { opacity: 1; transform: scale(1); }

.grupo { display: flex; justify-content: space-between; align-items: baseline; margin: 0 0 32px; }
.grupo h3 { font-size: clamp(1.75rem, 1.2rem + 1.6vw, 2.75rem); }
.grupo span { font-size: 1rem; color: var(--tinta-suave); }
.cursos + .grupo { margin-top: 88px; }
.cursos { list-style: none; padding: 0; margin: 0; display: grid; gap: 36px; }
.dos-columnas { grid-template-columns: 1fr 1fr; column-gap: 48px; }
.curso { display: grid; grid-template-columns: 52px 1fr; gap: 18px; align-items: start; transition: opacity .25s; }
.curso .estado { width: 52px; height: 52px; color: var(--cobre); }
.curso-nombre { font-weight: 500; font-size: 1.125rem; line-height: 1.3; display: flex; justify-content: space-between; gap: 12px; }
.precio { white-space: nowrap; font-variant-numeric: tabular-nums; }
.curso-texto { margin-top: 6px; font-size: 1rem; color: var(--tinta-suave); max-width: 46ch; }
.enlace { display: inline-block; margin-top: 10px; font-weight: 500; font-size: 1rem; color: var(--cobre-oscuro); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px; transition: color .2s; }
.enlace:hover { color: var(--noche); }
.curso.oculto-filtro { display: none; }
.listas.con-filtro .curso:not(.oculto-filtro) { opacity: 1; }
.sin-cursos { margin-top: 24px; }

/* Método: muchos en uno */
.metodo { padding: var(--hueco) var(--margen); }
.metodo-texto { max-width: 560px; }
.metodo h2 { font-size: var(--t-head); }
.metodo-texto p { margin-top: 20px; }
.diagrama { width: 100%; height: auto; margin-top: 64px; }
.metodo-pasos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 40px; }
.metodo-pasos h3 { font-family: var(--f-texto); font-weight: 500; font-size: 1.25rem; letter-spacing: 0; }
.metodo-pasos p { margin-top: 8px; font-size: 1rem; max-width: 34ch; }

/* Empresas: foto grande y texto */
.empresas { display: grid; grid-template-columns: 1fr 1fr; background: var(--noche); color: var(--claro); }
.empresas-foto { width: 100%; height: 100%; min-height: 520px; object-fit: cover; clip-path: circle(72% at 0% 50%); }
.empresas-texto { padding: clamp(56px, 8vw, 120px) var(--margen); align-self: center; max-width: 620px; }
.empresas h2 { font-size: var(--t-head); }
.empresas-texto p { margin-top: 20px; }
.empresas .boton { margin-top: 36px; }

/* Sobre mí: panel con la forma del logo */
.sobre { padding: 20px; }
.panel {
  position: relative; overflow: hidden; background: var(--noche-2); color: var(--claro);
  min-height: 92svh; display: grid; grid-template-columns: 58fr 42fr; padding: 56px;
}
.panel h2 { font-size: var(--t-head); max-width: 11ch; }
.forma { position: absolute; left: 56px; bottom: -9vw; width: 38vw; max-width: 560px; aspect-ratio: 1; border-radius: 50%; overflow: hidden; border: 18px solid var(--cobre); }
.forma img { width: 100%; height: 100%; object-fit: cover; }
.panel-der { max-width: 360px; align-self: start; }
.panel-der h3 { font-family: var(--f-texto); font-weight: 500; font-size: 1.375rem; letter-spacing: 0; }
.panel-der p { margin: 12px 0 48px; }
.panel-der h3 + p + h3 { margin-top: 0; }

/* Contacto: cupón para recortar */
.contacto { padding: var(--hueco) var(--margen); }
.cupon {
  max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: 46fr 54fr;
  background: var(--cobre); color: var(--noche);
  position: relative;
}
.cupon::before, .cupon::after { content: ""; position: absolute; left: calc(46% - 14px); width: 28px; height: 28px; border-radius: 50%; background: var(--fondo); }
.cupon::before { top: -14px; } .cupon::after { bottom: -14px; }
.cupon-izq { padding: 48px; display: flex; flex-direction: column; justify-content: space-between; gap: 40px; border-right: 5px dotted var(--fondo); }
.cupon h2 { font-size: clamp(1.75rem, 1.2rem + 1.6vw, 2.75rem); font-weight: 400; }
.cupon-der { padding: 48px; display: grid; gap: 10px; }
.cupon input, .cupon textarea {
  width: 100%; border: 0; border-radius: 0; background: #e2b79a; color: var(--noche);
  font: 400 1rem/1.4 var(--f-texto); padding: 15px 16px; min-height: 52px; resize: vertical;
}
.cupon input::placeholder, .cupon textarea::placeholder { color: #5a3a24; }
.cupon .boton { margin-top: 6px; }

/* Pie: el logo construido en grande */
.pie { background: var(--noche); color: var(--claro); padding: 96px var(--margen) 40px; }
.pie-marca { display: flex; align-items: center; gap: clamp(16px, 2vw, 32px); font: 300 clamp(3rem, 1rem + 8vw, 9.5rem)/0.9 var(--f-titulo); text-transform: uppercase; letter-spacing: -0.01em; }
.pie-marca svg { width: 1.05em; height: 1.05em; color: var(--cobre); flex: none; }
.pie-marca b { color: var(--cobre); font-weight: 400; }
.pie-columnas { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px; margin-top: 56px; }
.pie nav { display: flex; flex-direction: column; gap: 10px; }
.pie a { text-decoration: none; }
.pie nav a:hover, .pie-contacto a:hover { color: var(--cobre); }
.creditos { margin-top: 56px; font-size: var(--t-small); color: var(--claro-suave); max-width: 90ch; }
.creditos a { text-decoration: underline; }
.copy { margin-top: 16px; font-size: var(--t-small); color: var(--claro-suave); }

/* Entradas: solo si hay JavaScript */
.js .sube { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--facil), transform .6s var(--facil); }
.js .sube.dentro { opacity: 1; transform: none; }
@keyframes gira { from { transform: rotate(-8deg); } to { transform: rotate(0); } }
@keyframes entra { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: none; } }
.hero-anillo { animation: gira 1.6s var(--facil) both; transform-origin: 50% 50%; }
.carpeta { animation: entra .7s var(--facil) both; }
.c2 { animation-delay: .08s; } .c3 { animation-delay: .16s; } .c4 { animation-delay: .24s; } .c5 { animation-delay: .32s; }
.hero h1, .hero-lead { animation: entra .8s var(--facil) both; }
.hero-lead { animation-delay: .1s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .sube { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* Móvil */
@media (max-width: 860px) {
  .barra { gap: 16px; padding: 16px 16px; }
  .barra nav { display: none; }
  .marca { font-size: 1.125rem; margin-right: auto; }
  .marca-c { width: 34px; height: 34px; }
  .hero { min-height: 100svh; }
  .hero-anillo { width: 90vw; right: -42vw; top: 47svh; }
  .hero-texto { padding: 120px 16px 0; }
  .hero h1 { font-size: 15vw; }
  .hero-lead { font-size: 1.125rem; max-width: 28ch; }
  .carpetas { height: 330px; padding-top: 52px; }
  .carpeta { left: 0; right: 0; }
  .carpeta .pestana { top: -32px; height: 32px; padding: 7px 18px 0; font-size: 0.9375rem; }
  .c1 { top: 52px; } .c2 { top: 104px; } .c3 { top: 156px; } .c4 { top: 208px; } .c5 { top: 260px; }
  .c2 .pestana { left: 30%; } .c3 .pestana { left: 8%; } .c4 .pestana { left: 46%; }
  .carpeta-dentro { padding: 20px 16px; }
  .carpeta-dentro .boton { width: 100%; text-align: center; }
  .intro { padding: 96px 16px; }
  .declaracion { font-size: 1.5rem; max-width: none; }
  .catalogo, .metodo, .contacto { padding: 96px 16px; }
  .catalogo-cuerpo { grid-template-columns: 1fr; gap: 40px; margin-top: 48px; }
  .vista { display: none; }
  .dos-columnas { grid-template-columns: 1fr; }
  .curso { grid-template-columns: 44px 1fr; }
  .curso .estado { width: 44px; height: 44px; }
  .metodo-pasos { grid-template-columns: 1fr; gap: 28px; }
  .empresas { grid-template-columns: 1fr; }
  .empresas-foto { min-height: 300px; clip-path: circle(80% at 50% 0%); }
  .sobre { padding: 10px; }
  .panel { grid-template-columns: 1fr; padding: 32px 20px 0; min-height: 0; }
  .panel h2 { font-size: 2.25rem; }
  .panel-der { margin-top: 32px; max-width: none; }
  .forma { position: relative; left: auto; bottom: auto; width: 86vw; margin: 0 auto -22vw; }
  .panel-izq { display: contents; }
  .panel-izq .forma { order: 3; }
  .cupon { grid-template-columns: 1fr; }
  .cupon::before, .cupon::after { left: auto; top: calc(40% - 14px); bottom: auto; }
  .cupon::before { left: -14px; } .cupon::after { right: -14px; }
  .cupon-izq { border-right: 0; border-bottom: 5px dotted var(--fondo); padding: 32px 20px; }
  .cupon-der { padding: 32px 20px; }
  .pie { padding: 72px 16px 32px; }
  .pie-columnas { grid-template-columns: 1fr 1fr; }
  .pie-contacto { grid-column: 1 / -1; }
}


/* Páginas interiores (legales, guías) */
.interior .barra { position: static; background: var(--noche); }
.texto-largo { max-width: 720px; margin: 0 auto; padding: 96px var(--margen) var(--hueco); }
.texto-largo h1 { font-size: clamp(2.25rem, 1.5rem + 3vw, 3.75rem); }
.texto-largo h2 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); margin-top: 56px; }
.texto-largo h3 { font-family: var(--f-texto); font-weight: 500; font-size: 1.25rem; letter-spacing: 0; margin-top: 32px; }
.texto-largo p, .texto-largo ul, .texto-largo ol { margin-top: 16px; }
.texto-largo li + li { margin-top: 6px; }
.texto-largo a { color: var(--cobre-oscuro); text-underline-offset: 3px; }
.texto-largo .entradilla { font-size: var(--t-lead); line-height: 1.4; margin-top: 24px; }
.texto-largo table { width: 100%; border-collapse: collapse; margin-top: 20px; font-size: 1rem; }
.texto-largo th, .texto-largo td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid #d5dce4; }
.texto-largo th { background: var(--fondo-2); font-weight: 500; }
.texto-largo .caja { background: var(--fondo-2); padding: 24px 28px; margin-top: 32px; }
.texto-largo .caja h2 { margin-top: 0; }
.texto-largo .firma { margin-top: 48px; color: var(--tinta-suave); font-size: 1rem; }
.texto-largo .tabla-scroll { overflow-x: auto; }
.lista-guias { list-style: none; padding: 0; }
.lista-guias li { margin-top: 28px; }
.lista-guias a { font-weight: 500; font-size: 1.25rem; }
.lista-guias p { margin-top: 4px; }

.texto-largo .miga { font-size: var(--t-small); color: var(--tinta-suave); margin-top: 0; }
.texto-largo .miga a { color: inherit; }
.texto-largo .fecha { font-size: 1rem; color: var(--tinta-suave); margin-top: 16px; }
.texto-largo aside.caja .boton { color: var(--noche); text-decoration: none; }

@media (max-width: 860px) { .texto-largo { padding-top: 56px; } .texto-largo h1 { font-size: 1.875rem; } }