/* Hoja principal — azul noche, ámbar y verde */

:root {
  --kb-fondo: #0d1322;
  --kb-cabecera: #161e31;
  --kb-capa: #172036;
  --kb-capa-2: #1e2943;
  --kb-linea: #2a3654;
  --kb-texto: #d6dcea;
  --kb-suave: #9aa5bd;
  --kb-blanco: #f7f9fd;

  --kb-ambar-a: #ffcd4f;
  --kb-ambar-b: #f39a2c;
  --kb-ambar-oscuro: #d97f12;
  --kb-sobre-ambar: #2b1700;
  --kb-verde: #3dbd6c;
  --kb-verde-luz: #57d585;
  --kb-verde-oscuro: #2a9c55;
  --kb-sobre-verde: #062312;

  --kb-titulo: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --kb-lectura: "Barlow", "Segoe UI", Roboto, Arial, sans-serif;

  --kb-max: 1200px;
  --kb-lado: clamp(1rem, 4vw, 2.5rem);
  --kb-alto-barra: 72px;
  --kb-alto-carril: 50px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--kb-alto-barra) + var(--kb-alto-carril) + 16px);
  -webkit-text-size-adjust: 100%;
}

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

body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 50% -200px, rgba(64, 104, 210, 0.25), transparent 70%),
    var(--kb-fondo);
  color: var(--kb-texto);
  font-family: var(--kb-lectura);
  font-size: 1.0625rem;
  line-height: 1.7;
}

body.kb-bloqueo { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
p { margin: 0 0 1em; }

:focus-visible { outline: 3px solid var(--kb-ambar-a); outline-offset: 3px; border-radius: 6px; }
[tabindex="-1"]:focus { outline: none; }

.kb-saltar {
  position: absolute;
  top: -80px;
  left: 12px;
  z-index: 300;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  background: var(--kb-ambar-a);
  color: var(--kb-sobre-ambar);
  font-weight: 700;
  text-decoration: none;
}
.kb-saltar:focus { top: 12px; }

.kb-ancho { width: min(100% - 2 * var(--kb-lado), var(--kb-max)); margin-inline: auto; }

/* ---------- botones ---------- */

.kb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.65rem 1.6rem;
  border: 0;
  border-radius: 8px;
  font-family: var(--kb-lectura);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.kb-btn--ambar {
  background: linear-gradient(180deg, var(--kb-ambar-a), var(--kb-ambar-b));
  color: var(--kb-sobre-ambar);
  box-shadow: 0 8px 20px -10px rgba(243, 154, 44, 0.9);
}
.kb-btn--ambar:hover { filter: brightness(1.07); transform: translateY(-1px); }
.kb-btn--ambar:active { background: var(--kb-ambar-oscuro); transform: translateY(1px); box-shadow: none; }

.kb-btn--verde { background: var(--kb-verde); color: var(--kb-sobre-verde); }
.kb-btn--verde:hover { background: var(--kb-verde-luz); transform: translateY(-1px); }
.kb-btn--verde:active { background: var(--kb-verde-oscuro); transform: translateY(1px); }

.kb-btn--alto { min-height: 56px; padding: 0.85rem 2rem; font-size: 1.06rem; }

/* ---------- cabecera ---------- */

.kb-cabecera {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--kb-cabecera);
  box-shadow: 0 10px 30px -18px rgba(0, 0, 0, 0.9);
}

.kb-cabecera__fila {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: var(--kb-alto-barra);
  width: min(100% - 2 * var(--kb-lado), var(--kb-max));
  margin-inline: auto;
}

.kb-logo { display: inline-flex; align-items: baseline; color: var(--kb-blanco); text-decoration: none; flex-shrink: 0; }
.kb-logo__1,
.kb-logo__win { font-family: var(--kb-titulo); font-size: 2rem; font-weight: 700; font-style: italic; letter-spacing: -0.02em; line-height: 1; }
.kb-logo__1 { color: var(--kb-ambar-a); }
.kb-logo__ec {
  margin-left: 0.4rem;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  background: var(--kb-capa-2);
  color: var(--kb-suave);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transform: translateY(-4px);
}

.kb-nav { margin-left: 0.5rem; }
.kb-nav__lista { display: flex; gap: 0.1rem; margin: 0; padding: 0; list-style: none; }
.kb-nav__a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.75rem;
  color: var(--kb-blanco);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
}
.kb-nav__a::after {
  content: "";
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 4px;
  height: 2px;
  background: var(--kb-ambar-a);
  transform: scaleX(0);
  transition: transform 0.18s ease;
}
.kb-nav__a:hover::after,
.kb-nav__a[aria-current="true"]::after { transform: scaleX(1); }

.kb-cabecera__ctas { display: flex; gap: 0.6rem; margin-left: auto; }
.kb-cabecera__ctas .kb-btn { min-width: 170px; }

.kb-hamburguesa {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  padding: 0 12px;
  border: 1px solid var(--kb-linea);
  border-radius: 8px;
  background: var(--kb-capa);
  cursor: pointer;
}
.kb-hamburguesa span { display: block; height: 2.5px; border-radius: 2px; background: var(--kb-blanco); transition: transform 0.2s ease, opacity 0.2s ease; }
.kb-hamburguesa[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.kb-hamburguesa[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.kb-hamburguesa[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.kb-panel {
  padding: 0.6rem var(--kb-lado) 1.2rem;
  background: var(--kb-cabecera);
  border-top: 1px solid var(--kb-linea);
}
.kb-panel[hidden] { display: none; }
.kb-panel__lista { display: grid; gap: 2px; margin: 0 0 1rem; padding: 0; list-style: none; }
.kb-panel__lista a {
  display: flex;
  align-items: center;
  min-height: 50px;
  padding: 0 0.9rem;
  border-radius: 8px;
  color: var(--kb-blanco);
  font-family: var(--kb-titulo);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-decoration: none;
}
.kb-panel__lista a:hover { background: var(--kb-capa-2); color: var(--kb-ambar-a); }
.kb-panel__ctas { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }

/* carril de secciones */

.kb-carril { border-top: 1px solid var(--kb-linea); background: rgba(13, 19, 34, 0.96); }
.kb-carril__lista {
  display: flex;
  gap: 0.4rem;
  width: min(100% - 2 * var(--kb-lado), var(--kb-max));
  height: var(--kb-alto-carril);
  margin: 0 auto;
  padding: 0;
  overflow-x: auto;
  align-items: center;
  list-style: none;
  scrollbar-width: none;
}
.kb-carril__lista::-webkit-scrollbar { display: none; }

.kb-ficha {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--kb-linea);
  color: var(--kb-suave);
  font-size: 0.86rem;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.kb-ficha:hover { color: var(--kb-blanco); border-color: var(--kb-suave); }
.kb-ficha[aria-current="true"] { background: var(--kb-ambar-a); border-color: var(--kb-ambar-a); color: var(--kb-sobre-ambar); }

/* ---------- portada ---------- */

.kb-portada { padding: clamp(1.8rem, 4vw, 3rem) 0 clamp(1.5rem, 3vw, 2.5rem); }

.kb-volver { margin: 0 0 1rem; }
.kb-volver a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 42px;
  padding: 0 1rem;
  border-radius: 8px;
  border: 1px solid var(--kb-linea);
  color: var(--kb-texto);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}
.kb-volver a::before { content: "←"; color: var(--kb-ambar-a); }
.kb-volver a:hover { background: var(--kb-capa); color: var(--kb-blanco); }

.kb-h1 {
  margin: 0 0 1.4rem;
  max-width: 28ch;
  color: var(--kb-blanco);
  font-family: var(--kb-titulo);
  font-size: clamp(2.1rem, 1.3rem + 3.2vw, 3.6rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  text-wrap: balance;
}

.kb-portada__banner {
  position: relative;
  margin: 0 0 1.2rem;
  overflow: hidden;
  border-radius: 18px;
  background: var(--kb-capa);
}
.kb-portada__banner::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 30%;
  background: linear-gradient(180deg, transparent, rgba(13, 19, 34, 0.55));
  pointer-events: none;
}
.kb-portada__banner img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; object-position: 50% 0; }

.kb-portada__rejilla {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 1rem;
  align-items: stretch;
}

.kb-dato {
  padding: 1.3rem 1.4rem;
  border-radius: 14px;
  background: var(--kb-capa);
  border: 1px solid var(--kb-linea);
  border-top: 4px solid var(--kb-ambar-b);
}
.kb-dato--verde { border-top-color: var(--kb-verde); }
.kb-dato__titulo { margin: 0 0 0.9rem; color: var(--kb-blanco); font-family: var(--kb-titulo); font-size: 1.35rem; font-weight: 600; line-height: 1.15; text-transform: uppercase; }
.kb-dato__lista { display: grid; gap: 0.7rem; margin: 0; }
.kb-dato__lista div { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding-top: 0.7rem; border-top: 1px solid var(--kb-linea); }
.kb-dato__lista dt { color: var(--kb-suave); font-size: 0.95rem; }
.kb-dato__lista dd { margin: 0; color: var(--kb-blanco); font-family: var(--kb-titulo); font-size: 1.8rem; font-weight: 700; line-height: 1; }

.kb-portada__texto p { margin-bottom: 1.2rem; }
.kb-portada__ctas { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }

.kb-portada--doc { padding-bottom: 1rem; }
.kb-portada__doc { max-width: 920px; }
.kb-portada__intro { font-size: 1.08rem; }

/* ---------- texto ---------- */

.kb-texto { max-width: 920px; padding: 1.4rem 0 clamp(3rem, 6vw, 5rem); }

.kb-seccion { margin-top: clamp(2rem, 4vw, 3rem); }
.kb-seccion > :last-child { margin-bottom: 0; }

.kb-h2 {
  margin: 0 0 1.1rem;
  padding-bottom: 0.7rem;
  color: var(--kb-blanco);
  font-family: var(--kb-titulo);
  font-size: clamp(1.7rem, 1.25rem + 1.6vw, 2.5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  text-wrap: balance;
  background: linear-gradient(90deg, var(--kb-ambar-a), var(--kb-ambar-b)) left bottom / 72px 3px no-repeat;
}

.kb-apartado {
  margin-top: 1.6rem;
  padding: 1.3rem 1.4rem;
  border-radius: 14px;
  background: var(--kb-capa);
  border: 1px solid var(--kb-linea);
}
.kb-apartado > :last-child { margin-bottom: 0; }

.kb-h3 {
  margin: 0 0 0.8rem;
  padding-left: 0.8rem;
  border-left: 3px solid var(--kb-verde);
  color: var(--kb-blanco);
  font-family: var(--kb-titulo);
  font-size: clamp(1.3rem, 1.15rem + 0.5vw, 1.6rem);
  font-weight: 600;
  line-height: 1.15;
  text-transform: uppercase;
}

.kb-foto { margin: 1.4rem 0; }
.kb-foto img { width: 100%; aspect-ratio: 1100 / 600; object-fit: cover; border-radius: 14px; }

.kb-cta { margin: 1.5rem 0 0.4rem; }

/* tablas */

.kb-tabla {
  margin: 1.2rem 0;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--kb-linea);
  background: var(--kb-capa);
  -webkit-overflow-scrolling: touch;
}
.kb-apartado .kb-tabla { background: var(--kb-fondo); }
.kb-tabla table { width: 100%; border-collapse: collapse; font-size: 0.97rem; }
.kb-tabla--ancha table { min-width: 560px; }
.kb-tabla thead th {
  padding: 0.85rem 1rem;
  background: var(--kb-capa-2);
  color: var(--kb-ambar-a);
  font-family: var(--kb-titulo);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-align: left;
  text-transform: uppercase;
}
.kb-tabla tbody th,
.kb-tabla tbody td,
.kb-tabla tfoot th,
.kb-tabla tfoot td { padding: 0.72rem 1rem; text-align: left; vertical-align: top; }
.kb-tabla tbody tr + tr > * { border-top: 1px solid var(--kb-linea); }
.kb-tabla tbody th { color: var(--kb-blanco); font-weight: 600; }
.kb-tabla tbody tr:hover { background: rgba(255, 205, 79, 0.05); }
.kb-tabla tfoot { background: linear-gradient(90deg, var(--kb-ambar-a), var(--kb-ambar-b)); }
.kb-tabla tfoot th,
.kb-tabla tfoot td { color: var(--kb-sobre-ambar); font-weight: 700; }

/* listas */

.kb-lista { display: grid; gap: 0.5rem; margin: 0 0 1rem; padding: 0; list-style: none; }
.kb-lista li { position: relative; padding-left: 1.8rem; line-height: 1.55; }
.kb-lista li::before {
  content: "";
  position: absolute;
  top: 0.3em;
  left: 0;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 4px;
  background:
    linear-gradient(45deg, transparent 45%, var(--kb-sobre-verde) 45% 58%, transparent 58%) 3px 1px / 7px 10px no-repeat,
    var(--kb-verde);
}

.kb-pasos { display: grid; gap: 0.6rem; margin: 0 0 1.1rem; padding: 0; list-style: none; counter-reset: kb-paso; }
.kb-pasos li {
  position: relative;
  padding: 0.8rem 1rem 0.8rem 3.4rem;
  border-radius: 10px;
  background: var(--kb-capa);
  border: 1px solid var(--kb-linea);
  counter-increment: kb-paso;
  line-height: 1.5;
}
.kb-pasos li::before {
  content: counter(kb-paso);
  position: absolute;
  top: 0.75rem;
  left: 0.9rem;
  display: grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--kb-ambar-a), var(--kb-ambar-b));
  color: var(--kb-sobre-ambar);
  font-weight: 700;
  font-size: 0.9rem;
}

.kb-pasos--fichas { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.kb-pasos--fichas li { padding: 3rem 1rem 1rem; }
.kb-pasos--fichas li::before { top: 0.9rem; left: 1rem; }

/* preguntas */

.kb-faq { display: grid; gap: 0.6rem; }
.kb-faq__item { border-radius: 12px; background: var(--kb-capa); border: 1px solid var(--kb-linea); overflow: hidden; }
.kb-faq__h { margin: 0; }
.kb-faq__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  min-height: 58px;
  padding: 0.9rem 1.1rem;
  border: 0;
  background: transparent;
  color: var(--kb-blanco);
  font-family: var(--kb-lectura);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
}
.kb-faq__btn:hover { background: var(--kb-capa-2); }
.kb-faq__signo {
  position: relative;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--kb-capa-2);
}
.kb-faq__signo::before,
.kb-faq__signo::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--kb-ambar-a);
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease;
}
.kb-faq__signo::after { transform: translate(-50%, -50%) rotate(90deg); }
.kb-faq__btn[aria-expanded="true"] .kb-faq__signo::after { transform: translate(-50%, -50%) rotate(0deg); }
.kb-faq__btn[aria-expanded="true"] { color: var(--kb-ambar-a); }
.kb-faq__cuerpo { padding: 0 1.1rem 1.1rem; }
.kb-faq__cuerpo p { margin: 0; }

/* ---------- pie ---------- */

.kb-pie { padding: 2.4rem 0 1.6rem; background: var(--kb-cabecera); }
.kb-pie__fila { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem 2rem; }
.kb-pie__nav { display: flex; flex-wrap: wrap; gap: 0.2rem 1.5rem; }
.kb-pie__nav a { display: inline-block; padding: 0.45rem 0; color: var(--kb-texto); font-weight: 600; text-decoration: none; }
.kb-pie__nav a:hover { color: var(--kb-ambar-a); text-decoration: underline; text-underline-offset: 4px; }
.kb-pie__lado { display: flex; align-items: center; gap: 1rem; }
.kb-edad {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--kb-ambar-a);
  color: var(--kb-ambar-a);
  font-size: 0.85rem;
  font-weight: 700;
}
.kb-pie__copy { margin: 1.6rem 0 0; padding-top: 1.1rem; border-top: 1px solid var(--kb-linea); color: var(--kb-suave); font-size: 0.9rem; }

.kb-subir {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 10px;
  background: linear-gradient(180deg, var(--kb-ambar-a), var(--kb-ambar-b));
  color: var(--kb-sobre-ambar);
  box-shadow: 0 12px 24px -12px rgba(243, 154, 44, 0.9);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}
.kb-subir.kb-subir--ver { opacity: 1; visibility: visible; transform: none; }

/* ---------- adaptación ---------- */

@media (max-width: 1180px) {
  .kb-cabecera__dos { display: none; }
  .kb-cabecera__ctas .kb-btn { min-width: 0; }
}

@media (max-width: 1040px) {
  .kb-nav { display: none; }
  .kb-hamburguesa { display: flex; }
  .kb-cabecera__fila { gap: 0.8rem; }
  .kb-portada__rejilla { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .kb-portada__texto { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --kb-alto-barra: 64px; --kb-alto-carril: 46px; }
  body { font-size: 1rem; }
  .kb-logo__ec { display: none; }
  .kb-logo__1, .kb-logo__win { font-size: 1.75rem; }
  .kb-cabecera__ctas .kb-btn { min-height: 44px; padding: 0.5rem 0.9rem; font-size: 0.92rem; }
  .kb-portada__rejilla,
  .kb-portada__ctas,
  .kb-panel__ctas { grid-template-columns: minmax(0, 1fr); }
  .kb-portada__banner img { aspect-ratio: 4 / 3; }
  .kb-apartado { padding: 1.1rem; }
  .kb-cta .kb-btn { width: 100%; }
}