/* Cabecera, menú móvil y pie compartidos por todas las páginas */
:root {
  --c-ink: #002031;
  --c-ink-rgb: 0, 32, 49;
  --c-paper: #f4f4f4;
  --c-paper-rgb: 244, 244, 244;
  --c-accent: #0b5f82;
  --c-horizon: #8bc4d8;
  --c-warm: #f2a65a;
  --c-warm-rgb: 242, 166, 90;
  --c-accent-soft: rgba(11, 95, 130, .1);
  --hdr-h: 72px;
}

body { padding-top: var(--hdr-h); }

.hdr {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: var(--hdr-h);
  background: rgba(var(--c-paper-rgb), .88);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease;
  font-family: "Montserrat", system-ui, sans-serif;
}
.hdr.is-scrolled { border-bottom-color: rgba(var(--c-ink-rgb), .1); box-shadow: 0 8px 24px rgba(var(--c-ink-rgb), .05); }

.hdr-inner {
  width: min(1200px, calc(100% - 40px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.hdr-logo { display: inline-flex; align-items: center; flex: none; }
.hdr-logo img { display: block; height: 34px; width: auto; }

.hdr-nav { position: relative; display: flex; align-items: center; gap: 6px; }

.hdr-nav > a,
.hdr-dd > a {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .01em;
  color: rgba(var(--c-ink-rgb), .74);
  text-decoration: none;
  transition: color .2s ease, background .2s ease;
}
.hdr-nav > a:hover,
.hdr-dd:hover > a,
.hdr-nav a[aria-current] { color: var(--c-ink); }
.hdr-nav > a, .hdr-dd > a, .hdr-dd-btn { position: relative; z-index: 1; }

/* Píldora que se desliza hacia el enlace al que apuntas o hacia la sección actual */
.hdr-pill {
  position: absolute;
  z-index: 0;
  left: 0;
  top: 50%;
  height: 38px;
  width: var(--w, 0px);
  border-radius: 999px;
  background: rgba(var(--c-ink-rgb), .075);
  transform: translate(var(--x, 0px), -50%);
  opacity: 0;
  pointer-events: none;
  transition: transform .4s cubic-bezier(.3, .8, .3, 1), width .4s cubic-bezier(.3, .8, .3, 1), opacity .2s ease;
}
.hdr-pill.on { opacity: 1; }
.hdr-pill.snap { transition: opacity .2s ease; }

/* Progreso de lectura */
.hdr-progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; pointer-events: none; overflow: hidden; }
.hdr-progress::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--c-accent), var(--c-horizon)); transform: scaleX(var(--p, 0)); transform-origin: left; }

.hdr-dd { position: relative; display: flex; align-items: center; }
.hdr-dd-btn {
  appearance: none;
  border: 0;
  background: none;
  cursor: pointer;
  width: 26px;
  height: 26px;
  margin-left: -8px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: rgba(var(--c-ink-rgb), .6);
}
.hdr-dd-btn svg { width: 12px; height: 12px; transition: transform .25s ease; }
.hdr-dd.is-open .hdr-dd-btn svg,
.hdr-dd:hover .hdr-dd-btn svg { transform: rotate(180deg); }

.hdr-panel {
  position: absolute;
  top: 100%;
  left: 50%;
  width: min(680px, 92vw);
  padding-top: 14px;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.hdr-dd:hover .hdr-panel,
.hdr-dd:focus-within .hdr-panel,
.hdr-dd.is-open .hdr-panel { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

.hdr-panel-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 10px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid rgba(var(--c-ink-rgb), .1);
  box-shadow: 0 24px 60px rgba(var(--c-ink-rgb), .16);
}
.hdr-panel a {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .3s ease, transform .3s ease, background .2s ease;
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  border-radius: 14px;
  text-decoration: none;
  color: var(--c-ink);
  transition: background .2s ease;
}
.hdr-panel a:hover, .hdr-panel a:focus-visible { background: var(--c-accent-soft); }
.hdr-dd:hover .hdr-panel a,
.hdr-dd:focus-within .hdr-panel a,
.hdr-dd.is-open .hdr-panel a { opacity: 1; transform: none; transition-delay: calc(var(--i, 0) * 45ms + 60ms), calc(var(--i, 0) * 45ms + 60ms), 0s; }
.hdr-panel a:nth-child(1) { --i: 0; } .hdr-panel a:nth-child(2) { --i: 1; } .hdr-panel a:nth-child(3) { --i: 2; }
.hdr-panel a:nth-child(4) { --i: 3; } .hdr-panel a:nth-child(5) { --i: 4; }
.hdr-panel a strong { transition: transform .25s ease; }
.hdr-panel a:hover strong { transform: translateX(4px); }
.hdr-panel strong { font-family: "Montserrat", sans-serif; font-size: 14px; letter-spacing: -.01em; }
.hdr-panel span { font-size: 13px; line-height: 1.45; color: rgba(var(--c-ink-rgb), .62); }

.hdr-actions { display: flex; align-items: center; gap: 10px; }

.hdr-cta {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  border-radius: 999px;
  background: var(--c-ink);
  color: var(--c-paper);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .01em;
  text-decoration: none;
  transition: background .25s ease, transform .25s ease;
}
.hdr-cta { gap: 0; will-change: transform; }
.hdr-cta span { display: inline-block; max-width: 0; margin-left: 0; overflow: hidden; opacity: 0; transform: translateX(-6px); transition: max-width .3s ease, margin-left .3s ease, opacity .3s ease, transform .3s ease; }
.hdr-cta:hover, .hdr-cta:focus-visible { background: var(--c-warm); color: var(--c-ink); }
.hdr-cta:hover span, .hdr-cta:focus-visible span { max-width: 20px; margin-left: 8px; opacity: 1; transform: none; }
.hdr-cta[aria-current] { background: var(--c-accent); }

.hdr-burger {
  display: none;
  appearance: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(var(--c-ink-rgb), .16);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  position: relative;
}
.hdr-burger span {
  position: absolute;
  left: 13px;
  right: 13px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-ink);
  transition: transform .3s ease, opacity .2s ease;
}
.hdr-burger span:nth-child(1) { top: 16px; }
.hdr-burger span:nth-child(2) { top: 21px; }
.hdr-burger span:nth-child(3) { top: 26px; }
body.menu-open .hdr-burger span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
body.menu-open .hdr-burger span:nth-child(2) { opacity: 0; }
body.menu-open .hdr-burger span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.hdr a:focus-visible, .hdr button:focus-visible, .ftr a:focus-visible, .mnav a:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

/* Menú móvil a pantalla completa */
.mnav {
  position: fixed;
  inset: var(--hdr-h) 0 0 0;
  z-index: 190;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 28px;
  background: var(--c-paper);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
  font-family: "Montserrat", system-ui, sans-serif;
}
.mnav > *, .mnav-group > div a { opacity: 0; transform: translateY(14px); transition: opacity .4s ease, transform .4s ease; }
body.menu-open .mnav > * { opacity: 1; transform: none; transition-delay: calc(var(--i, 0) * 55ms + 80ms); }
body.menu-open .mnav-group > div a { opacity: 1; transform: none; transition-delay: .25s; }
.mnav > :nth-child(1) { --i: 0; } .mnav > :nth-child(2) { --i: 1; } .mnav > :nth-child(3) { --i: 2; }
.mnav > :nth-child(4) { --i: 3; } .mnav > :nth-child(5) { --i: 4; }
body.menu-open { overflow: hidden; }
body.menu-open .mnav { opacity: 1; visibility: visible; transform: none; }

.mnav > a, .mnav-group > summary {
  display: block;
  padding: 14px 4px;
  font-family: "Montserrat", sans-serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(var(--c-ink-rgb), .1);
  list-style: none;
  cursor: pointer;
}
.mnav-group > summary::-webkit-details-marker { display: none; }
.mnav-group > summary::after { content: "+"; float: right; font-weight: 400; color: rgba(var(--c-ink-rgb), .5); }
.mnav-group[open] > summary::after { content: "–"; }
.mnav-group > div { display: grid; padding: 6px 0 12px; }
.mnav-group > div a { padding: 11px 4px 11px 14px; font-size: 16px; color: rgba(var(--c-ink-rgb), .78); text-decoration: none; }
.mnav-cta {
  margin-top: auto;
  text-align: center;
  padding: 16px 22px !important;
  border: 0 !important;
  border-radius: 999px;
  background: var(--c-ink);
  color: var(--c-paper) !important;
  font-size: 17px !important;
}

@media (max-width: 960px) {
  .hdr-nav, .hdr-cta { display: none; }
  .hdr-burger { display: inline-block; }
}
@media (min-width: 961px) { .mnav { display: none; } }
@media (prefers-reduced-motion: reduce) {
  .hdr-pill, .hdr-panel a, .hdr-cta span, .mnav > *, .mnav-group > div a { transition: none !important; transform: none !important; }
  .hdr-pill.on { opacity: 1; }
}

/* Pie de página */
.ftr {
  background: var(--c-ink);
  color: rgba(var(--c-paper-rgb), .78);
  font-family: "Montserrat", system-ui, sans-serif;
}
.ftr-inner { width: min(1200px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0 28px; }
.ftr-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(var(--c-paper-rgb), .14); }
.ftr-brand img { height: 36px; width: auto; display: block; margin-bottom: 20px; filter: brightness(0) invert(1); }
.ftr-brand p { margin: 0 0 22px; max-width: 34ch; line-height: 1.6; }
.ftr-cta {
  display: inline-flex;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--c-paper);
  color: var(--c-ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background .25s ease, color .25s ease;
}
.ftr-cta:hover { background: var(--c-accent); color: #fff; }
.ftr h4 { margin: 0 0 18px; font-family: "Montserrat", sans-serif; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--c-paper); }
.ftr ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.ftr li a { color: inherit; text-decoration: none; font-size: 15px; transition: color .2s ease; }
.ftr li a:hover { color: #fff; }
.ftr-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 24px; font-size: 13px; color: rgba(var(--c-paper-rgb), .55); }
.ftr-bottom a { color: inherit; text-decoration: none; }
.ftr-bottom a:hover { color: #fff; }

@media (max-width: 760px) {
  .ftr-inner { padding-top: 56px; }
  .ftr-top { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .ftr-brand { grid-column: 1 / -1; }
  .ftr-bottom { flex-direction: column; }
}

/* Selector de idioma ES | EN */
.lang { display: inline-flex; padding: 3px; border-radius: 999px; border: 1px solid rgba(var(--c-ink-rgb), .16); }
.lang button { appearance: none; min-width: 36px; padding: 7px 9px; border: 0; border-radius: 999px; background: transparent; color: rgba(var(--c-ink-rgb), .62); font: 700 12px/1 "Montserrat", system-ui, sans-serif; letter-spacing: .06em; cursor: pointer; transition: background .25s ease, color .25s ease; }
.lang button:hover { color: var(--c-ink); }
.lang button[aria-pressed="true"] { background: var(--c-ink); color: var(--c-paper); cursor: default; }
html.i18n-wait body { opacity: 0; animation: i18nFailsafe 0s 2s forwards; }
@keyframes i18nFailsafe { to { opacity: 1; } }