/* ============================================================
   SIMAR+  ·  Ecosistema de Información y Análisis Marino Costero (CONABIO)
   Estética: océano profundo · glassmorphism · movimiento suave
   ============================================================ */

:root {
  --bg:        #030a17;
  --bg-2:      #061426;
  --ink:       #eaf4ff;
  --muted:     #93b0cc;
  --muted-2:   #5f7d99;
  --line:      rgba(140, 200, 255, .12);
  --glass:     rgba(16, 34, 58, .45);
  --glass-hi:  rgba(28, 56, 92, .6);

  --cyan:      #55e6d6;
  --aqua:      #6fd0ff;
  --blue:      #3b82f6;
  --violet:    #8a9bff;
  --sand:      #f2b978;

  --shadow:    0 1.875rem 5rem -1.875rem rgba(0, 0, 0, .8);
  --ease:      cubic-bezier(.2, .7, .2, 1);
  --maxw:      73.75rem;

  /* Tipografía estilo Claude: serif editorial + sans limpia */
  --font-display: "Newsreader", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --font-sans:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* ---------- capas de fondo ---------- */
#ocean {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.aurora {
  position: fixed;
  inset: -20% -10% auto -10%;
  height: 90vh;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(45% 55% at 20% 20%, rgba(40, 160, 200, .28), transparent 70%),
    radial-gradient(40% 50% at 80% 10%, rgba(80, 90, 220, .22), transparent 70%),
    radial-gradient(50% 60% at 55% 40%, rgba(30, 200, 190, .18), transparent 70%);
  filter: blur(1.875rem);
  animation: auroraFloat 18s var(--ease) infinite alternate;
}
@keyframes auroraFloat {
  from { transform: translate3d(-2%, -2%, 0) scale(1); }
  to   { transform: translate3d(3%, 2%, 0) scale(1.12); }
}

.spotlight {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(21.25rem 21.25rem at var(--mx, 50%) var(--my, 30%),
              rgba(120, 230, 255, .10), transparent 65%);
  transition: opacity .4s;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* deja el contenido por encima del fondo */
.nav, main, .foot { position: relative; z-index: 2; }

/* ---------- selección ---------- */
::selection { background: rgba(111, 224, 255, .3); color: #fff; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.125rem clamp(1.25rem, 5vw, 3.375rem);
  transition: padding .4s var(--ease), background .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  padding-top: .75rem;
  padding-bottom: .75rem;
  background: rgba(4, 12, 24, .62);
  backdrop-filter: blur(1.125rem) saturate(140%);
  -webkit-backdrop-filter: blur(1.125rem) saturate(140%);
  border-color: var(--line);
}

.nav__brand { display: flex; align-items: center; gap: .25rem; text-decoration: none; color: var(--ink); }

.nav__links { display: flex; gap: 1.875rem; }
.nav__links a {
  color: var(--muted);
  text-decoration: none;
  font-size: .9375rem;
  font-weight: 500;
  position: relative;
  transition: color .25s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -.375rem;
  width: 100%; height: 1.5px; background: var(--cyan);
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__cta {
  padding: .625rem 1.25rem;
  border-radius: 62.4375rem;
  background: linear-gradient(120deg, var(--cyan), var(--aqua));
  color: #032033;
  font-weight: 600;
  font-size: .90625rem;
  text-decoration: none;
  box-shadow: 0 .5rem 1.5rem -.5rem rgba(90, 220, 255, .6);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.nav__cta:hover { transform: translateY(-.125rem); box-shadow: 0 .875rem 1.875rem -.625rem rgba(90, 220, 255, .8); }

/* Botón de idioma ES/EN */
/* Selector de idioma ES · EN · FR: pastilla segmentada, un clic a cualquiera.
   El idioma activo lleva .is-on (lo pone applyLang en main.js). */
.nav__lang {
  flex: none;
  display: flex;
  align-items: center;
  gap: .125rem;
  padding: .1875rem;
  border-radius: 62.4375rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
  transition: border-color .25s;
}
.nav__lang:hover { border-color: rgba(85, 230, 214, .45); }
.nav__lang button {
  padding: .3125rem .625rem;
  border: 0;
  border-radius: 62.4375rem;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: .78125rem;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
  transition: color .25s, background .25s;
}
.nav__lang button:hover { color: var(--ink); background: rgba(85, 230, 214, .12); }
.nav__lang button.is-on {
  color: #04121f;
  background: var(--cyan);
  box-shadow: 0 .125rem .625rem -.125rem rgba(85, 230, 214, .55);
}
.nav__lang button:focus-visible { outline: .125rem solid var(--cyan); outline-offset: .125rem; }

/* Contenedor de navegación (links + CTA): en escritorio va a la derecha */
.nav__menu { margin-left: auto; display: flex; align-items: center; gap: 1.5rem; }

/* Botón hamburguesa (oculto en escritorio; se muestra en ≤900px) */
.nav__burger {
  display: none; flex: none; padding: 0;
  width: 2.75rem; height: 2.5rem;
  flex-direction: column; align-items: center; justify-content: center; gap: .3125rem;
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line); border-radius: .75rem;
  cursor: pointer; transition: border-color .25s, background .25s;
}
.nav__burger:hover { border-color: var(--cyan); background: rgba(90, 220, 255, .10); }
.nav__burger span {
  display: block; width: 1.25rem; height: .125rem; border-radius: .125rem; background: var(--ink);
  transition: transform .3s var(--ease), opacity .2s;
}
.nav.menu-open .nav__burger span:nth-child(1) { transform: translateY(.4375rem) rotate(45deg); }
.nav.menu-open .nav__burger span:nth-child(2) { opacity: 0; }
.nav.menu-open .nav__burger span:nth-child(3) { transform: translateY(-.4375rem) rotate(-45deg); }
/* la barra toma fondo cuando el menú está abierto, aunque no haya scroll */
.nav.menu-open {
  background: rgba(4, 12, 24, .92);
  backdrop-filter: blur(1.125rem) saturate(140%);
  -webkit-backdrop-filter: blur(1.125rem) saturate(140%);
  border-color: var(--line);
}

/* isotipo SIMAR (M + ola) en la esquina superior derecha */
.nav__badge {
  display: inline-flex; width: 2.875rem; height: 2.5rem; flex: none;
  filter: drop-shadow(0 .1875rem .625rem rgba(40, 180, 255, .38));
  animation: badgeFloat 5s ease-in-out infinite;
}
.nav__badge svg { width: 100%; height: 100%; overflow: visible; }
@keyframes badgeFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-.1875rem); } }
.iso-wave { animation: isoWave 4s ease-in-out infinite; }
@keyframes isoWave { 0%,100% { transform: translateX(0); } 50% { transform: translateX(.15625rem); } }
.iso-glint { animation: isoGlint 3.6s linear infinite; }
@keyframes isoGlint { from { stroke-dashoffset: 260; } to { stroke-dashoffset: -40; } }


/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8.75rem clamp(1.25rem, 5vw, 2.5rem) 5.625rem;
}
.hero__inner { max-width: 56.25rem; }

/* ============================================================
   LOGO REAL de SIMAR, animado (nav + hero)
   ============================================================ */
/* Fondo 100% transparente: solo el SVG del logo + un glow que abraza su silueta */
.brandlogo { position: relative; display: inline-flex; align-items: center; line-height: 0; }
.brandlogo__img { display: block; width: 100%; height: auto; }

/* ---- versión NAV ---- */
.brandlogo--nav .brandlogo__img { height: 1.875rem; width: auto; }

/* ---- versión HERO ---- */
/* Sin filtros: el drop-shadow sobre un SVG escalado dibuja un rectángulo.
   Solo el SVG transparente + una entrada suave. Fondo siempre transparente. */
.hero__logo { width: clamp(20rem, 52vw, 35rem); margin: .625rem auto 2.125rem; }
.brandlogo--hero { display: block; width: 100%; animation: logoFloat 7s ease-in-out infinite; }
.brandlogo--hero .brandlogo__img {
  width: 100%;
  animation: logoReveal 1.2s var(--ease) both;
}
@keyframes logoReveal {
  from { clip-path: inset(0 100% 0 0); opacity: .25; }
  to   { clip-path: inset(0 0 0 0); opacity: 1; }
}

/* keyframes compartidos (reutilizados por el diagrama orbital) */
@keyframes logoFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-.75rem); } }
@keyframes pulse { 0%,100% { opacity: .7; transform: scale(1); } 50% { opacity: 1; transform: scale(1.06); } }
@keyframes spin { to { transform: rotate(360deg); } }

.hero__eyebrow {
  font-size: .8125rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--aqua); font-weight: 600; margin-bottom: 1.375rem;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.7rem, 7vw, 5.4rem);
  line-height: 1.05;
  letter-spacing: -.015em;
  margin-bottom: 1.625rem;
}
.hero__title .grad { font-style: italic; font-weight: 500; }
.hero__lead { font-family: var(--font-display); }
.grad {
  background: linear-gradient(100deg, var(--cyan) 0%, var(--aqua) 45%, var(--violet) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero__lead {
  font-size: clamp(1.12rem, 2vw, 1.4rem);
  color: var(--muted);
  max-width: 40.625rem; margin: 0 auto 2.5rem;
  font-weight: 400; line-height: 1.6;
}
.hero__lead strong { color: var(--ink); font-weight: 600; }

.hero__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: .625rem;
  padding: .9375rem 1.875rem; border-radius: 62.4375rem;
  font-weight: 600; font-size: 1rem; text-decoration: none;
  transition: transform .3s var(--ease), box-shadow .3s, background .3s, border-color .3s;
}
.btn--primary {
  background: linear-gradient(120deg, var(--cyan), var(--aqua));
  color: #03202f;
  box-shadow: 0 .875rem 2.5rem -.75rem rgba(90, 220, 255, .7);
}
.btn--primary:hover { transform: translateY(-.1875rem); box-shadow: 0 1.375rem 3.125rem -.875rem rgba(90, 220, 255, .9); }
.btn--ghost {
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(.625rem);
}
.btn--ghost:hover { border-color: rgba(120, 220, 255, .5); transform: translateY(-.1875rem); }

.hero__scroll {
  position: absolute; bottom: 2.125rem; left: 50%; transform: translateX(-50%);
  width: 1.625rem; height: 2.75rem; border: 1.5px solid rgba(140, 210, 255, .4);
  border-radius: 1.25rem; display: block;
}
.hero__scroll span {
  position: absolute; left: 50%; top: .5625rem; width: .25rem; height: .5rem; margin-left: -.125rem;
  background: var(--aqua); border-radius: .25rem; animation: scrollDot 1.8s var(--ease) infinite;
}
@keyframes scrollDot { 0%{opacity:0; transform:translateY(0);} 30%{opacity:1;} 100%{opacity:0; transform:translateY(1rem);} }

/* ============================================================
   BAND / STATS
   ============================================================ */
.band {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(3.75rem, 10vw, 8.125rem) clamp(1.25rem, 5vw, 2.5rem);
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 3.75rem; align-items: center;
}
.tag {
  display: inline-block;   /* inline-block: el margin-bottom separa el título en TODAS las secciones */
  font-size: .78125rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--cyan); font-weight: 600; margin-bottom: 1rem;
  padding: .375rem .875rem; border: 1px solid var(--line); border-radius: 62.4375rem;
  background: var(--glass);
}
.band h2, .systems h2, .network h2, .closing h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -.02em; line-height: 1.08;
  margin-bottom: 1.125rem;
}
.band p { color: var(--muted); font-size: 1.1rem; font-weight: 300; max-width: 46ch; }

.stats { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 1.125rem; }
.stats li {
  padding: 1.625rem 1.5rem; border-radius: 1.25rem;
  background: var(--glass); border: 1px solid var(--line);
  backdrop-filter: blur(.875rem);
}
.stats b {
  display: block; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.1rem); line-height: 1;
  background: linear-gradient(120deg, #fff, var(--aqua));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stats span { color: var(--muted-2); font-size: .95rem; margin-top: .375rem; display: block; }

/* ============================================================
   SYSTEMS GRID
   ============================================================ */
.systems { max-width: var(--maxw); margin: 0 auto; padding: 2.5rem clamp(1.25rem, 5vw, 2.5rem) 5rem; }
.systems__head { text-align: center; max-width: 40rem; margin: 0 auto 3.375rem; }
.systems__head p { color: var(--muted); font-weight: 300; font-size: 1.1rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.375rem;
}

/* ---- Ejes funcionales ---- */
.axes { max-width: var(--maxw); margin: 0 auto; }
.axis { margin: 0 0 clamp(2.875rem, 7vw, 5.25rem); }
.axis:last-child { margin-bottom: 0; }
.axis__head {
  position: relative; display: flex; align-items: flex-start; gap: clamp(.875rem, 3vw, 1.875rem);
  padding-bottom: 1.375rem; margin-bottom: 1.875rem; border-bottom: 1px solid var(--line);
}
.axis__head::after {
  content: ""; position: absolute; left: 0; bottom: -1px; height: .125rem; width: 8.125rem;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.axis__num {
  flex: none; font-family: var(--font-display); font-weight: 600; line-height: .82;
  font-size: clamp(2.6rem, 7vw, 4.4rem); color: var(--accent);
  text-shadow: 0 0 2.125rem var(--accent-glow);
}
.axis__titles { padding-top: .25rem; }
.axis__title {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -.01em; line-height: 1.1;
  font-size: clamp(1.35rem, 3vw, 2.1rem); margin-bottom: .5rem;
}
.axis__desc { color: var(--muted); font-weight: 300; font-size: 1.02rem; max-width: 64ch; }
.axis__grid {
  display: grid;
  /* Tarjetas de ancho uniforme (~350–360px) alineadas a la izquierda en TODOS los ejes,
     sin importar cuántos módulos tenga cada uno. Evita que un eje de 2 módulos estire las
     tarjetas a ~540px y que uno de 1 se quede como caso especial. */
  grid-template-columns: repeat(auto-fit, minmax(16.25rem, 22.5rem));
  justify-content: start;
  gap: 1.25rem;
}

/* tarjetas de infraestructura (sin enlace) */
.card--doc { cursor: default; border-style: dashed; }
.card--doc:hover { border-color: var(--accent-line); box-shadow: none; transform: none !important; }
.card--doc:hover::after { opacity: 0; }
.card__go--doc {
  color: var(--muted-2); font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  font-size: .68rem;
}

.card {
  position: relative;
  display: flex; flex-direction: column;
  padding: 1.375rem 1.5rem;
  min-height: 10.625rem;
  border-radius: 1.375rem;
  text-decoration: none; color: var(--ink);
  background: linear-gradient(160deg, var(--glass-hi), var(--glass));
  border: 1px solid var(--line);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
  will-change: transform;
}
.card::before { /* resplandor de acento */
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 15% 0%, var(--accent-soft), transparent 55%);
  opacity: .6; transition: opacity .4s;
}
.card::after { /* borde brillante en hover */
  content: ""; position: absolute; inset: 0; border-radius: 1.5rem; padding: 1px;
  background: linear-gradient(140deg, var(--accent), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .4s;
}
.card:hover { border-color: transparent; box-shadow: 0 1.875rem 3.75rem -1.875rem var(--accent-glow), var(--shadow); }
.card:hover::after { opacity: 1; }
.card:hover::before { opacity: 1; }

/* Cabecera: icono y nombre comparten renglón (antes el icono ocupaba el suyo,
   que era lo que estiraba la tarjeta). El orden visual es cat → icono+nombre → desc. */
.card__head {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: .625rem;
  position: relative; z-index: 1;
}
.card__icon {
  flex: none;
  width: 2.625rem; height: 2.625rem; border-radius: .75rem;
  display: grid; place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  transition: transform .3s var(--ease);
}
.card:hover .card__icon { transform: translateZ(1.875rem) scale(1.06); }
.card__icon svg { width: 1.375rem; height: 1.375rem; }

.card__cat {
  font-size: .6875rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: .625rem; position: relative; z-index: 1;
}
.card__name {
  font-family: var(--font-sans); font-weight: 600;
  font-size: 1.22rem; letter-spacing: -.01em; line-height: 1.2;
  position: relative; z-index: 1;
}
.card__desc {
  color: var(--muted); font-size: .92rem; font-weight: 300; line-height: 1.5;
  position: relative; z-index: 1; flex: 1;
}

.card__go {
  margin-top: 1rem; display: inline-flex; align-items: center; gap: .5rem;
  font-size: .9rem; font-weight: 600; color: var(--accent);
  position: relative; z-index: 1;
}
.card__go svg { width: 1rem; height: 1rem; transition: transform .3s var(--ease); }
.card:hover .card__go svg { transform: translateX(.3125rem); }

/* ============================================================
   NETWORK / ORBITS
   ============================================================ */
.network {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(3.75rem, 10vw, 7.5rem) clamp(1.25rem, 5vw, 2.5rem);
  display: grid; grid-template-columns: 1fr 1fr; gap: 3.125rem; align-items: center;
}
.network__text p { color: var(--muted); font-size: 1.12rem; font-weight: 300; max-width: 44ch; margin-bottom: 1.625rem; }
.network__legend { list-style: none; display: flex; flex-wrap: wrap; gap: 1rem; }
.network__legend li { display: flex; align-items: center; gap: .5625rem; font-size: .95rem; color: var(--muted); }
.network__legend i { width: .75rem; height: .75rem; border-radius: .25rem; background: var(--c); box-shadow: 0 0 .875rem var(--c); }

.network__viz { display: grid; place-items: center; }
.orbits { width: 100%; max-width: 28.75rem; height: auto; overflow: visible; }
.orbits__rings circle { transform-origin: 14.375rem 14.375rem; }
.orbits__rings circle:nth-child(1){ animation: spin 40s linear infinite; }
.orbits__rings circle:nth-child(2){ animation: spin 60s linear infinite reverse; }
.orbits__rings circle:nth-child(3){ animation: spin 90s linear infinite; }
.orbits__core { animation: pulse 4s ease-in-out infinite; transform-origin: 14.375rem 14.375rem; }
.orbits__label { font-family: var(--font-display); font-weight: 700; font-size: 1.125rem; fill: #eaffff; letter-spacing: -.02em; }
.orbits__nodes circle.node { filter: drop-shadow(0 0 .5rem currentColor); }
.orbits__nodes text { font-size: .65625rem; fill: var(--muted); font-weight: 500; }
.dash { stroke-dasharray: 3 6; animation: dashFlow 3s linear infinite; }
@keyframes dashFlow { to { stroke-dashoffset: -18; } }

/* ============================================================
   VIDEO
   ============================================================ */
.video { max-width: 62.5rem; margin: 0 auto; padding: clamp(3.125rem, 9vw, 6.875rem) clamp(1.25rem, 5vw, 2.5rem); }
.video__head { text-align: center; max-width: 40rem; margin: 0 auto 2.75rem; }
.video__head h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -.02em; line-height: 1.08; margin-bottom: 1rem;
}
.video__head p { color: var(--muted); font-size: 1.1rem; font-weight: 300; }
.video__frame {
  position: relative; aspect-ratio: 16 / 9;
  border-radius: 1.5rem; overflow: hidden;
  border: 1px solid var(--line);
  background: #04101f;
  box-shadow: var(--shadow);
}
.video__frame::after { /* aro de luz sutil */
  content: ""; position: absolute; inset: 0; border-radius: 1.5rem; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, rgba(111, 208, 255, .5), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.video__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ============================================================
   CLOSING + FOOTER
   ============================================================ */
.closing {
  text-align: center;
  padding: clamp(4.375rem, 12vw, 9.375rem) clamp(1.25rem, 5vw, 2.5rem);
  max-width: 50rem; margin: 0 auto;
}
.closing h2 { font-size: clamp(2.2rem, 6vw, 4rem); margin-bottom: 2.125rem; }

.foot {
  border-top: 1px solid var(--line);
  padding: 2.5rem clamp(1.25rem, 5vw, 3.375rem);
  max-width: var(--maxw); margin: 0 auto;
}
.foot__row { display: flex; align-items: center; gap: 1.125rem; flex-wrap: wrap; }
.foot__brand { font-family: var(--font-display); font-weight: 700; font-size: 1.375rem; }
.foot__brand em { color: var(--cyan); font-style: normal; }
.foot__row p { color: var(--muted-2); font-size: .92rem; }
.foot__gov { height: 2.125rem; width: auto; margin-left: auto; opacity: .92; }
.foot__note { color: var(--muted-2); font-size: .85rem; margin-top: .875rem; max-width: 70ch; }
.foot__ver { display: inline-block; margin-left: .5rem; color: var(--muted-2); opacity: .8; font-variant-numeric: tabular-nums; }
.foot__ver:not(:empty)::before { content: "· "; }

/* ============================================================
   REVEAL (scroll)
   ============================================================ */
.reveal { opacity: 0; transform: translateY(1.75rem); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
[data-reveal] { transition-delay: var(--d, 0s); }

/* ============================================================
   TRANSICIÓN DE ENTRADA A UN SISTEMA (zoom + desenfoque al centro)
   ============================================================ */
body.warping { overflow: hidden; }
body.warping main {
  filter: blur(.25rem) saturate(.85); transform: scale(.985);
  transition: filter .6s ease, transform .8s var(--ease);
}
.warp {
  position: fixed; inset: 0; z-index: 999; pointer-events: none; opacity: 0;
  background: radial-gradient(circle at center, rgba(6,16,32,.15), rgba(3,8,20,.92));
  -webkit-backdrop-filter: blur(0); backdrop-filter: blur(0);
  transition: opacity .3s ease, backdrop-filter .8s ease, -webkit-backdrop-filter .8s ease;
}
.warp.is-active {
  opacity: 1; -webkit-backdrop-filter: blur(1rem); backdrop-filter: blur(1rem);
}
.warp__panel {
  position: fixed; border-radius: 1.5rem; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end; padding: 1.625rem;
  color: #eaf6ff; background: linear-gradient(160deg, var(--wc, #2a6df0), rgba(6,18,38,.92));
  box-shadow: 0 2.5rem 8.125rem -1.25rem var(--wc, #2a6df0);
  transition: transform .85s cubic-bezier(.7,0,.15,1), filter .85s ease, opacity .85s ease, border-radius .85s ease;
  transform-origin: center; will-change: transform, filter;
}
.warp__panel .wn { font-family: var(--font-display); font-size: 1.6rem; font-weight: 500; }
.warp__panel .wc { font-size: .9rem; color: rgba(230,246,255,.75); margin-top: .25rem; }
.warp.is-active .warp__panel { filter: blur(.4375rem); border-radius: 2.75rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  /* --- Nav: menú hamburguesa --- */
  .nav__burger { display: inline-flex; }
  /* El selector ES·EN·FR es más ancho que el botón único de antes: en móvil se
     compacta y se reduce el hueco del nav para que la hamburguesa no se salga. */
  .nav { gap: 12px; }
  .nav__lang { margin-left: auto; gap: 1px; padding: 2px; }
  .nav__lang button { padding: 5px 8px; font-size: 12px; letter-spacing: .02em; }
  .nav__menu {
    position: absolute; top: 100%; left: 0; right: 0;
    /* left/right:0 ya cubren todo el ancho del nav (no tiene bordes laterales), asi que
       el panel va de borde a borde sin margen negativo: con el, sobresalia de la pantalla
       y los enlaces quedaban pegados al filo en vez de alineados con el logo. */
    margin: 0;
    flex-direction: column; align-items: stretch; gap: 6px;
    padding: 16px clamp(20px, 5vw, 54px) 24px;
    background: rgba(4, 12, 24, .96);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 50px -24px rgba(0, 0, 0, .7);
    transform: translateY(-14px); opacity: 0; pointer-events: none;
    transition: opacity .3s var(--ease), transform .3s var(--ease);
  }
  .nav.menu-open .nav__menu { transform: none; opacity: 1; pointer-events: auto; }
  .nav__links { flex-direction: column; gap: 0; }
  .nav__links a { font-size: 17px; padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .nav__links a::after { display: none; }
  .nav__cta { margin-top: 12px; text-align: center; justify-content: center; }
  /* --- Layout apilado --- */
  .band { grid-template-columns: 1fr; gap: 40px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .network { grid-template-columns: 1fr; }
  .network__viz { order: -1; }
}
/* Tablets en vertical (iPad 768/820, Android 640–900): la rejilla de las tarjetas
   cuenta columnas con el ancho MÁXIMO (360px) y aquí no le caben dos, así que salía
   una sola tarjeta pegada a la izquierda con ~300px vacíos. Dos columnas iguales. */
@media (min-width: 640px) and (max-width: 900px) {
  .axis__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  /* pantallas estrechas (≤360px incluidas): el logo del nav cede unos píxeles
     para que marca + idioma + hamburguesa sigan cabiendo en una sola línea */
  .brandlogo--nav .brandlogo__img { height: 26px; }
  .grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .hero { padding-top: 120px; }
  .hero__logo { width: min(84vw, 380px); margin-bottom: 26px; }  /* nunca desborda en móvil */
}
/* Móviles estrechos (320–400px): último ajuste para que marca + ES·EN·FR +
   hamburguesa quepan en la barra sin salirse ni solaparse. */
@media (max-width: 400px) {
  .nav { padding-inline: 14px; gap: 8px; }
  .brandlogo--nav .brandlogo__img { height: 22px; }
  .nav__lang button { padding: 5px 6px; }
  /* el panel desplegable sigue al nuevo padding del nav para que los enlaces
     queden alineados con el logo */
  .nav__menu { padding-inline: 14px; }
}

/* ============================================================
   MONITORES GRANDES (24"–32": QHD 2560, 4K 3840 y sus escalados)
   Todo el diseño base está en rem (px/16 exactos), así que hasta
   1920px de ancho se ve idéntico. A partir de ahí la raíz crece
   1px por cada 160px de pantalla, con tope en 28px (4K al 100%):
     2560 → 20px (×1.25) · 3200 → 24px (×1.5) · 3840 → 28px (×1.75)
   y el contenido se abre a 102rem para que cada eje quepa en UNA
   fila (los ejes de 4 sistemas dejan de partirse en 2 + 2).
   ============================================================ */
@media (min-width: 1921px) {
  html { font-size: clamp(16px, calc(16px + (100vw - 1920px) / 160), 28px); }
  :root { --maxw: 102rem; }
}

/* respeta preferencia de menos movimiento */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}


/* ============================================================
   SITIO DE VARIAS PÁGINAS (oct-2026)
   Menú con submenús, mapa del pie y componentes de las páginas
   internas (las dibuja js/pages.js a partir de data/*.json).
   Todo en rem, como el resto del diseño base.
   ============================================================ */

/* ---------- menú: grupos desplegables ---------- */
.nav__links { align-items: center; }
.nav__group { position: relative; }
.nav__drop {
  display: inline-flex; align-items: center; gap: .3rem;
  background: none; border: 0; padding: 0; cursor: pointer;
  font: inherit; font-size: .9375rem; font-weight: 500; color: var(--muted);
  transition: color .25s;
}
.nav__drop:hover, .nav__group:focus-within .nav__drop, .nav__group.is-open .nav__drop,
.nav__group.is-current .nav__drop { color: var(--ink); }
.nav__group.is-current .nav__drop span { box-shadow: 0 1.5px 0 var(--cyan); }
.nav__chev { width: .9rem; height: .9rem; transition: transform .25s var(--ease); }
.nav__group.is-open .nav__chev { transform: rotate(180deg); }
.nav__sub {
  position: absolute; top: calc(100% + .9rem); left: -1rem; min-width: 15rem;
  display: flex; flex-direction: column; padding: .5rem;
  background: rgba(6, 18, 34, .96); border: 1px solid var(--line); border-radius: 1rem;
  box-shadow: 0 1.5rem 3rem -1rem rgba(0, 0, 0, .8);
  backdrop-filter: blur(1.125rem); -webkit-backdrop-filter: blur(1.125rem);
  opacity: 0; transform: translateY(-.4rem); pointer-events: none;
  z-index: 60;
}
/* la transición solo se activa después del primer pintado (main.js pone .nav-ready):
   así los submenús no "parpadean" desvaneciéndose al cargar la página */
.nav-ready .nav__sub { transition: opacity .2s var(--ease), transform .2s var(--ease); }
/* puente invisible para que el ratón no "caiga" entre el botón y el panel */
.nav__sub::before { content: ""; position: absolute; left: 0; right: 0; top: -1rem; height: 1rem; }
.nav__group.is-open .nav__sub { opacity: 1; transform: none; pointer-events: auto; }
@media (hover: hover) and (min-width: 901px) {
  .nav__group:hover .nav__sub { opacity: 1; transform: none; pointer-events: auto; }
  .nav__group:hover .nav__chev { transform: rotate(180deg); }
}
.nav__links .nav__sub a {
  padding: .55rem .75rem; border-radius: .6rem; font-size: .9rem; white-space: nowrap;
  color: var(--muted);
}
.nav__links .nav__sub a::after { display: none; }
.nav__links .nav__sub a:hover, .nav__links .nav__sub a[aria-current="page"] { color: var(--ink); background: rgba(85, 230, 214, .10); }

/* ---------- pie: mapa del sitio ---------- */
.foot__map {
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1.5rem;
  padding-bottom: 2rem; margin-bottom: 2rem; border-bottom: 1px solid var(--line);
}
.foot__col h4 {
  font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: var(--cyan);
  font-weight: 600; margin-bottom: .75rem;
}
.foot__col ul { list-style: none; display: grid; gap: .4rem; }
.foot__col a { color: var(--muted); text-decoration: none; font-size: .875rem; }
.foot__col a:hover { color: var(--ink); }

/* ---------- pie: instituciones colaboradoras y redes ---------- */
.foot__partners { padding-bottom: 2rem; margin-bottom: 2rem; border-bottom: 1px solid var(--line); }
.foot__partners h4 {
  font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: var(--cyan);
  font-weight: 600; margin-bottom: 1rem;
}
.foot__partners ul { list-style: none; display: flex; flex-wrap: wrap; gap: .9rem 1.6rem; align-items: center; }
/* los logos vienen en gris sobre transparente: se invierten para leerse en fondo oscuro */
.foot__partners img {
  height: 2.4rem; width: auto; display: block;
  filter: grayscale(1) invert(1) brightness(1.15); opacity: .55; transition: opacity .25s;
}
.foot__partners img:hover { opacity: .95; }
.foot__social { display: inline-flex; gap: .5rem; }
.foot__social a {
  display: inline-grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: 50%;
  color: var(--muted); border: 1px solid var(--line); transition: color .2s, border-color .2s;
}
.foot__social a:hover { color: var(--ink); border-color: rgba(85, 230, 214, .5); }
.foot__social svg { width: 1rem; height: 1rem; }
.foot__credits { margin-top: .4rem; }
.foot__credits a { color: var(--muted-2); }
.foot__credits a:hover { color: var(--muted); }

/* ---------- tarjetas de sistema: "Próximamente" y "Versión clásica" ---------- */
.card--soon { cursor: default; border-style: dashed; }
.card--soon:hover { border-color: var(--accent-line); box-shadow: none; transform: none !important; }
.card--soon:hover::after, .card--soon:hover::before { opacity: 0; }
.card--soon .card__icon, .card--soon .card__name { opacity: .75; }
.card__go--soon { color: var(--muted); font-weight: 500; letter-spacing: .04em; }
.card__chip {
  position: absolute; bottom: 1.3rem; right: 1.25rem; z-index: 2;
  font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 600;
  padding: .2rem .55rem; border-radius: 62rem;
  color: var(--muted); border: 1px solid var(--line); background: rgba(3, 10, 23, .5);
}

/* ============================================================
   PÁGINAS INTERNAS
   ============================================================ */
.pg { padding-top: 6.5rem; }
.pg__root { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.25rem, 5vw, 2.5rem) 5rem; }
.pg__noscript, .pg__loading, .pg__error { color: var(--muted); padding: 6rem 0; text-align: center; }

.pg__hero { padding: clamp(2.5rem, 7vw, 5rem) 0 2.5rem; max-width: 52rem; }
.pg__hero h1 {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -.02em; line-height: 1.06;
  font-size: clamp(2.2rem, 5.2vw, 3.9rem); margin-bottom: 1.1rem;
}
.pg__hero p { color: var(--muted); font-size: 1.15rem; font-weight: 300; max-width: 60ch; }
.pg__crumbs { font-size: .8rem; color: var(--muted-2); margin-bottom: 1.2rem; }
.pg__crumbs a { color: var(--muted); text-decoration: none; }
.pg__crumbs a:hover { color: var(--ink); }

/* índice de secciones (pegajoso bajo el nav) */
.pg__toc {
  position: sticky; top: 4.4rem; z-index: 5;
  display: flex; gap: .5rem; overflow-x: auto; scrollbar-width: none;
  padding: .6rem 0; margin-bottom: 1rem;
  background: linear-gradient(180deg, rgba(3, 10, 23, .92) 70%, rgba(3, 10, 23, 0));
}
.pg__toc::-webkit-scrollbar { display: none; }
.pg__toc a {
  flex: none; padding: .4rem .9rem; border-radius: 62rem; font-size: .85rem; text-decoration: none;
  color: var(--muted); border: 1px solid var(--line); background: var(--glass); transition: color .2s, border-color .2s;
}
.pg__toc a:hover, .pg__toc a.is-on { color: var(--ink); border-color: rgba(85, 230, 214, .5); }

.pg__sec { padding: 3.5rem 0 1rem; scroll-margin-top: 7.5rem; border-top: 1px solid var(--line); }
.pg__sec:first-of-type { border-top: 0; }
.pg__sec > header { max-width: 52rem; margin-bottom: 1.75rem; }
.pg__sec h2 {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -.015em; line-height: 1.1;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: .75rem;
}
.pg__sec > header p { color: var(--muted); font-size: 1.05rem; font-weight: 300; }
.pg__h {
  font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; letter-spacing: -.01em;
  margin: 2rem 0 .75rem; color: var(--ink);
}
.pg__blk { margin-bottom: 1.5rem; }
.pg__h[id] { scroll-margin-top: 7.5rem; }

/* texto corrido */
.prose { max-width: 70ch; color: #c9dcef; font-size: 1.02rem; line-height: 1.7; font-weight: 300; }
.prose p + p, .prose p + ul, .prose ul + p { margin-top: .9rem; }
.prose ul { padding-left: 1.2rem; display: grid; gap: .35rem; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a, .pg a.lnk { color: var(--aqua); text-decoration: underline; text-decoration-color: rgba(111, 208, 255, .35); text-underline-offset: .18em; }
.prose a:hover, .pg a.lnk:hover { text-decoration-color: var(--aqua); }

/* rejilla de tarjetas de contenido */
.cgrid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(16.5rem, 1fr)); }
.cgrid--2 { grid-template-columns: repeat(auto-fill, minmax(22rem, 1fr)); }
.ccard {
  position: relative; display: flex; flex-direction: column; gap: .5rem;
  padding: 1.25rem 1.35rem; border-radius: 1.1rem; color: var(--ink); text-decoration: none;
  background: linear-gradient(160deg, var(--glass-hi), var(--glass)); border: 1px solid var(--line);
  transition: border-color .25s, transform .25s var(--ease);
}
a.ccard:hover { border-color: rgba(85, 230, 214, .45); transform: translateY(-.2rem); }
.ccard__img { margin: -1.25rem -1.35rem .5rem; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 1.1rem 1.1rem 0 0; background: var(--bg-2); }
.ccard__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ccard__meta { font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); font-weight: 600; }
.ccard__title { font-weight: 600; font-size: 1.05rem; line-height: 1.3; }
.ccard__text { color: var(--muted); font-size: .92rem; font-weight: 300; line-height: 1.55; }
.ccard__badge { align-self: flex-start; font-size: .7rem; padding: .15rem .55rem; border-radius: 62rem; border: 1px solid var(--line); color: var(--muted); }
.ccard__go { margin-top: auto; padding-top: .4rem; font-size: .85rem; font-weight: 600; color: var(--aqua); display: inline-flex; gap: .4rem; align-items: center; }
.ccard__go svg { width: .9rem; height: .9rem; }

/* cifras */
.pstats { list-style: none; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); }
.pstats li { padding: 1.25rem 1.4rem; border-radius: 1.1rem; background: var(--glass); border: 1px solid var(--line); }
.pstats b { display: block; font-family: var(--font-display); font-size: 2rem; font-weight: 600; color: var(--ink); line-height: 1.1; }
.pstats b small { font-size: 1rem; color: var(--muted); font-weight: 400; margin-left: .25rem; }
.pstats span { color: var(--muted); font-size: .9rem; }

/* tablas */
.tbl { overflow-x: auto; border: 1px solid var(--line); border-radius: 1rem; background: var(--glass); }
.tbl table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tbl caption { text-align: left; padding: .9rem 1rem .4rem; color: var(--muted); font-size: .85rem; caption-side: top; }
.tbl th, .tbl td { padding: .65rem 1rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th { color: var(--cyan); font-weight: 600; font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td { color: #c9dcef; font-weight: 300; }

/* galería y figuras */
.gal { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); }
.gal figure, .fig { margin: 0; border-radius: 1rem; overflow: hidden; background: var(--bg-2); border: 1px solid var(--line); }
.gal img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.fig { max-width: 46rem; }
.fig img { width: 100%; height: auto; display: block; }
.gal figcaption, .fig figcaption { padding: .55rem .8rem; font-size: .8rem; color: var(--muted); }

/* botones y listas de enlaces */
.btns { display: flex; flex-wrap: wrap; gap: .75rem; }
.btns .btn { font-size: .92rem; }
.lnks { list-style: none; display: grid; gap: .5rem; max-width: 60rem; }
.lnks a {
  display: flex; gap: .75rem; align-items: baseline; padding: .7rem 1rem; border-radius: .8rem;
  background: var(--glass); border: 1px solid var(--line); color: var(--ink); text-decoration: none; transition: border-color .2s;
}
.lnks a:hover { border-color: rgba(85, 230, 214, .45); }
.lnks a::before { content: "↗"; color: var(--cyan); flex: none; }
.lnks small { color: var(--muted); font-weight: 300; margin-left: auto; padding-left: 1rem; text-align: right; }

/* referencias, ecuaciones, notas */
.refs { max-width: 75ch; }
.refs h4 { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); margin-bottom: .75rem; }
.refs ol { padding-left: 1.4rem; display: grid; gap: .5rem; color: var(--muted); font-size: .86rem; line-height: 1.55; }
.eq {
  font-family: "Cascadia Mono", Consolas, "SFMono-Regular", Menlo, monospace; font-size: .92rem; color: var(--ink);
  padding: .9rem 1.1rem; border-radius: .8rem; background: rgba(0, 0, 0, .3); border: 1px solid var(--line);
  overflow-x: auto; white-space: pre-wrap; max-width: 60rem;
}
.eq + .eq__note { color: var(--muted); font-size: .85rem; margin-top: .5rem; max-width: 70ch; }
.note {
  max-width: 70ch; padding: 1rem 1.2rem; border-radius: 1rem; color: #cfe4f7; font-size: .95rem;
  background: rgba(85, 230, 214, .07); border: 1px solid rgba(85, 230, 214, .28);
}

/* acordeón */
.acc { display: grid; gap: .6rem; max-width: 62rem; }
.acc details { border: 1px solid var(--line); border-radius: 1rem; background: var(--glass); }
.acc summary {
  cursor: pointer; list-style: none; padding: 1rem 1.2rem; font-weight: 600; display: flex; justify-content: space-between; gap: 1rem;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; color: var(--cyan); font-size: 1.3rem; line-height: 1; transition: transform .2s; }
.acc details[open] summary::after { transform: rotate(45deg); }
.acc__body { padding: 0 1.2rem 1.2rem; }

/* pestañas */
.tabs__bar { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: 1rem; }
.tabs__bar button {
  font: inherit; font-size: .85rem; cursor: pointer; padding: .4rem .9rem; border-radius: 62rem;
  color: var(--muted); background: var(--glass); border: 1px solid var(--line);
}
.tabs__bar button[aria-selected="true"] { color: #032033; background: linear-gradient(120deg, var(--cyan), var(--aqua)); border-color: transparent; font-weight: 600; }

/* personas */
.people { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); }
.person {
  display: flex; flex-direction: column; gap: .5rem; padding: 1.4rem; border-radius: 1.2rem;
  background: linear-gradient(160deg, var(--glass-hi), var(--glass)); border: 1px solid var(--line);
}
.person__top { display: flex; gap: 1rem; align-items: center; }
.person__ph {
  flex: none; width: 4.5rem; height: 4.5rem; border-radius: 50%; overflow: hidden;
  background: linear-gradient(140deg, rgba(85, 230, 214, .25), rgba(59, 130, 246, .25));
  display: grid; place-items: center; font-family: var(--font-display); font-size: 1.4rem; color: var(--ink);
  border: 1px solid var(--line);
}
.person__ph img { width: 100%; height: 100%; object-fit: cover; display: block; }
.person__name { font-weight: 600; font-size: 1.02rem; line-height: 1.25; }
.person__role { color: var(--cyan); font-size: .85rem; line-height: 1.4; }
.person__org { color: var(--muted); font-size: .82rem; font-weight: 300; }
.person__links { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .25rem; }
.person__links a {
  font-size: .75rem; padding: .2rem .6rem; border-radius: 62rem; text-decoration: none;
  color: var(--muted); border: 1px solid var(--line);
}
.person__links a:hover { color: var(--ink); border-color: rgba(85, 230, 214, .45); }
.person details { margin-top: .25rem; }
.person summary { cursor: pointer; font-size: .82rem; color: var(--aqua); }
.person details .prose { font-size: .88rem; margin-top: .6rem; }

/* filtros (publicaciones y proyectos) */
.flt { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin-bottom: 1.25rem; }
.flt input[type="search"], .flt select {
  font: inherit; font-size: .9rem; color: var(--ink); background: var(--glass); border: 1px solid var(--line);
  border-radius: 62rem; padding: .5rem 1rem; min-width: 0;
}
.flt input[type="search"] { flex: 1 1 16rem; }
.flt input:focus, .flt select:focus { outline: none; border-color: rgba(85, 230, 214, .6); }
.flt select option { background: var(--bg-2); }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chips button {
  font: inherit; font-size: .82rem; cursor: pointer; padding: .4rem .85rem; border-radius: 62rem;
  color: var(--muted); background: var(--glass); border: 1px solid var(--line);
}
.chips button[aria-pressed="true"] { color: var(--ink); border-color: rgba(85, 230, 214, .6); background: rgba(85, 230, 214, .12); }
.chips b { font-weight: 400; color: var(--muted-2); margin-left: .25rem; }
.flt__count { font-size: .85rem; color: var(--muted); margin-left: auto; }

.pubs { list-style: none; display: grid; gap: .6rem; }
.pub {
  display: grid; grid-template-columns: 4.2rem 1fr; gap: 1rem; padding: .9rem 1.1rem; border-radius: .9rem;
  background: var(--glass); border: 1px solid var(--line);
}
.pub__year { font-family: var(--font-display); font-size: 1.25rem; color: var(--ink); line-height: 1.2; }
.pub__kind { display: block; font-family: var(--font-sans); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; color: var(--cyan); margin-top: .2rem; }
.pub__cite { color: #c9dcef; font-size: .9rem; font-weight: 300; line-height: 1.55; overflow-wrap: anywhere; }
.pub__cite a { color: var(--aqua); font-weight: 500; text-decoration: none; }
.pub__cite a.pub__go { margin-left: .35rem; white-space: nowrap; }
.pub > * { min-width: 0; }

/* línea de tiempo de proyectos */
.tl { list-style: none; position: relative; display: grid; gap: .9rem; padding-left: 1.6rem; }
.tl::before { content: ""; position: absolute; left: .4rem; top: .4rem; bottom: .4rem; width: 1.5px; background: var(--line); }
.tl__it { position: relative; padding: 1.1rem 1.25rem; border-radius: 1rem; background: var(--glass); border: 1px solid var(--line); }
.tl__it::before {
  content: ""; position: absolute; left: -1.53rem; top: 1.35rem; width: .65rem; height: .65rem; border-radius: 50%;
  background: var(--muted-2); box-shadow: 0 0 0 .25rem var(--bg);
}
.tl__it.is-active::before { background: var(--cyan); box-shadow: 0 0 0 .25rem var(--bg), 0 0 .8rem var(--cyan); }
.tl__period { font-size: .78rem; letter-spacing: .06em; color: var(--cyan); font-weight: 600; }
.tl__state { font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; margin-left: .5rem; padding: .1rem .5rem; border-radius: 62rem; border: 1px solid var(--line); color: var(--muted); }
.tl__it.is-active .tl__state { color: var(--cyan); border-color: rgba(85, 230, 214, .45); }
.tl__title { font-weight: 600; font-size: 1.02rem; line-height: 1.35; margin: .35rem 0; }
.tl__text { color: var(--muted); font-size: .9rem; font-weight: 300; line-height: 1.55; }
.tl__meta { display: flex; flex-wrap: wrap; gap: .3rem 1.2rem; margin-top: .55rem; font-size: .8rem; color: var(--muted-2); }
.tl__meta b { color: var(--muted); font-weight: 500; }

/* videos */
.vids { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(22rem, 1fr)); }
.vid { margin: 0; }
.vid__frame { position: relative; aspect-ratio: 16 / 9; border-radius: 1rem; overflow: hidden; border: 1px solid var(--line); background: #000; }
.vid__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.vid figcaption { margin-top: .5rem; color: var(--muted); font-size: .88rem; }
.vids--lead { grid-template-columns: 1fr; max-width: 56rem; }

/* nodos de la Red Regional */
.nodes { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr)); }
.node {
  position: relative; display: flex; flex-direction: column; gap: .55rem; padding: 1.4rem; border-radius: 1.2rem;
  text-decoration: none; color: var(--ink);
  background: radial-gradient(120% 90% at 100% 0%, rgba(85, 230, 214, .12), transparent 60%), linear-gradient(160deg, var(--glass-hi), var(--glass));
  border: 1px solid var(--line); transition: border-color .25s, transform .25s var(--ease);
}
.node:hover { border-color: rgba(85, 230, 214, .5); transform: translateY(-.2rem); }
.node--wip { background: linear-gradient(160deg, var(--glass-hi), var(--glass)); border-style: dashed; }
.node__state { align-self: flex-start; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 600; padding: .2rem .6rem; border-radius: 62rem; color: var(--cyan); border: 1px solid rgba(85, 230, 214, .45); }
.node--wip .node__state { color: var(--sand); border-color: rgba(242, 185, 120, .45); }
.node__short { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; line-height: 1.15; }
.node__name { color: var(--muted); font-size: .85rem; line-height: 1.45; }
.node__text { color: #c9dcef; font-size: .9rem; font-weight: 300; line-height: 1.55; }
.node__meta { font-size: .8rem; color: var(--muted-2); margin-top: auto; padding-top: .3rem; }

@media (max-width: 900px) {
  /* en el panel del menú los grupos se muestran abiertos, como lista */
  .nav__menu { max-height: calc(100vh - 4.5rem); overflow-y: auto; background: rgba(4, 12, 24, .995); }
  .nav__links { align-items: stretch; }
  .nav__group { border-bottom: 1px solid var(--line); padding: 4px 0 8px; }
  .nav__drop { width: 100%; justify-content: space-between; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); padding: 12px 4px 6px; cursor: default; }
  .nav__chev { display: none; }
  .nav__group.is-current .nav__drop span { box-shadow: none; }
  .nav__sub {
    position: static; opacity: 1; transform: none; pointer-events: auto; min-width: 0;
    padding: 0; background: none; border: 0; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none;
  }
  .nav__sub::before { display: none; }
  .nav__links .nav__sub a { font-size: 16px; padding: 9px 4px; white-space: normal; border-bottom: 0; }
  .foot__map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot__partners img { height: 30px; }
  .pg { padding-top: 76px; }
  .pg__toc { top: 64px; }
}
@media (max-width: 560px) {
  .pub { grid-template-columns: 1fr; gap: .3rem; }
  .pub__kind { display: inline; margin-left: .5rem; }
  .cgrid--2, .vids { grid-template-columns: 1fr; }
  .lnks a { flex-wrap: wrap; }
  .lnks small { margin-left: 0; padding-left: 1.6rem; text-align: left; flex-basis: 100%; }
}

/* ============================================================
   MENÚ CON 6 ENTRADAS (oct-2026): en FR necesita ~1350px.
   · 1241–1440px: barra compacta (menos padding, gap y cuerpo).
   · 901–1240px: se usa ya el panel de hamburguesa (mismas reglas
     que el bloque ≤900px, solo las del nav).
   main.js usa el mismo corte (NAV_BURGER = 1240).
   ============================================================ */
.nav__links > a, .nav__drop { white-space: nowrap; }
@media (min-width: 1241px) and (max-width: 1440px) {
  .nav { padding-inline: 1.5rem; gap: 1rem; }
  .nav__links { gap: 1.1rem; }
  .nav__links > a, .nav__drop { font-size: .875rem; }
}
@media (min-width: 901px) and (max-width: 1240px) {
  .nav__burger { display: inline-flex; }
  .nav { gap: 12px; }
  .nav__lang { margin-left: auto; }
  .nav__menu {
    position: absolute; top: 100%; left: 0; right: 0; margin: 0;
    flex-direction: column; align-items: stretch; gap: 6px;
    padding: 16px clamp(20px, 5vw, 54px) 24px;
    background: rgba(4, 12, 24, .995);
    backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid var(--line); box-shadow: 0 24px 50px -24px rgba(0, 0, 0, .7);
    transform: translateY(-14px); opacity: 0; pointer-events: none;
    transition: opacity .3s var(--ease), transform .3s var(--ease);
    max-height: calc(100vh - 4.5rem); overflow-y: auto;
  }
  .nav.menu-open .nav__menu { transform: none; opacity: 1; pointer-events: auto; }
  /* en tablet horizontal el panel reparte los grupos en columnas */
  .nav__links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 28px; align-items: start; }
  .nav__links > a { font-size: 17px; padding: 12px 4px; border-bottom: 1px solid var(--line); grid-column: 1 / -1; }
  .nav__links a::after { display: none; }
  .nav__group { padding: 4px 0 8px; }
  .nav__drop { width: 100%; justify-content: space-between; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); padding: 12px 4px 6px; cursor: default; }
  .nav__chev { display: none; }
  .nav__group.is-current .nav__drop span { box-shadow: none; }
  .nav__sub {
    position: static; opacity: 1; transform: none; pointer-events: auto; min-width: 0;
    padding: 0; background: none; border: 0; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none;
  }
  .nav__sub::before { display: none; }
  .nav__links .nav__sub a { font-size: 15px; padding: 7px 4px; white-space: normal; }
}

/* ============================================================
   AJUSTES DE LEGIBILIDAD (oct-2026, revisión de Sergio)
   ============================================================ */

/* Selector ES · EN · FR: los tres idiomas legibles a la primera
   (antes los inactivos eran gris tenue sobre fondo casi negro). */
.nav__lang {
  gap: .1875rem; padding: .1875rem;
  border-color: rgba(140, 200, 255, .32);
  background: rgba(10, 28, 50, .72);
}
.nav__lang button {
  min-width: 2.35rem; padding: .375rem .6875rem;
  color: #dcebfa; font-size: .8125rem; letter-spacing: .06em;
}
.nav__lang button:not(.is-on):hover { color: #fff; background: rgba(85, 230, 214, .16); }
.nav__lang button.is-on { color: #04121f; background: var(--cyan); }
@media (max-width: 900px) {
  .nav__lang button { min-width: 0; padding: 6px 9px; font-size: 12.5px; }
}
@media (max-width: 400px) {
  .nav__lang button { padding: 6px 7px; font-size: 12px; }
}

/* Índice de secciones: barra pegajosa a TODO el ancho (antes se cortaba
   en seco al borde del contenido), con desvanecido y flechas cuando no
   caben todas las secciones. */
.pg__tocbar {
  position: sticky; top: 4.4rem; z-index: 5;
  margin: 0 0 1rem; padding: .55rem 0;
  background: rgba(3, 10, 23, .9);
  /* el fondo se extiende a todo el ancho con una sombra recortada: a diferencia de
     un margen negativo con 100vw, no ensancha la página (100vw incluye la barra
     de desplazamiento y dejaba 8px de scroll horizontal) */
  box-shadow: 0 0 0 100vmax rgba(3, 10, 23, .9);
  clip-path: inset(0 -100vmax);
  backdrop-filter: blur(.875rem); -webkit-backdrop-filter: blur(.875rem);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.pg__tocin {
  position: relative;
}
.pg__tocbar .pg__toc {
  position: static; margin: 0; padding: .1rem 0; background: none;
  scroll-behavior: smooth;
}
.pg__tocbar.has-l .pg__toc { -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 3rem); mask-image: linear-gradient(90deg, transparent 0, #000 3rem); }
.pg__tocbar.has-r .pg__toc { -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 3rem), transparent 100%); mask-image: linear-gradient(90deg, #000 calc(100% - 3rem), transparent 100%); }
.pg__tocbar.has-l.has-r .pg__toc { -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 3rem, #000 calc(100% - 3rem), transparent 100%); mask-image: linear-gradient(90deg, transparent 0, #000 3rem, #000 calc(100% - 3rem), transparent 100%); }
.pg__tocbtn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 2rem; height: 2rem; border-radius: 50%; display: none; place-items: center;
  color: var(--ink); background: rgba(10, 28, 50, .95); border: 1px solid rgba(140, 200, 255, .3);
  cursor: pointer; font-size: 1.1rem; line-height: 1;
}
.pg__tocbtn:hover { border-color: var(--cyan); }
.pg__tocbtn--l { left: clamp(.25rem, 2vw, 1rem); }
.pg__tocbtn--r { right: clamp(.25rem, 2vw, 1rem); }
.pg__tocbar.has-l .pg__tocbtn--l, .pg__tocbar.has-r .pg__tocbtn--r { display: grid; }
.pg__toc a { font-size: .84rem; }
@media (max-width: 900px) { .pg__tocbar { top: 64px; } .pg__tocbtn { display: none !important; } }
@media (min-width: 901px) and (max-width: 1240px) { .pg__tocbar { top: 4.2rem; } }

/* Botón INICIO: aparece al bajar y regresa arriba de la página */
.totop {
  position: fixed; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem); z-index: 40;
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .65rem 1rem .65rem .8rem; border-radius: 62rem; cursor: pointer;
  font: 600 .8rem/1 var(--font-sans); letter-spacing: .1em; text-transform: uppercase;
  color: #04121f; background: linear-gradient(120deg, var(--cyan), var(--aqua));
  border: 0; box-shadow: 0 .75rem 1.75rem -.5rem rgba(0, 0, 0, .7), 0 0 0 1px rgba(255, 255, 255, .12) inset;
  opacity: 0; transform: translateY(1rem); pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.totop svg { width: 1rem; height: 1rem; }
.totop.is-on { opacity: 1; transform: none; pointer-events: auto; }
.totop:hover { box-shadow: 0 1rem 2rem -.5rem rgba(90, 220, 255, .6); }
.totop:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
@media (max-width: 560px) { .totop { padding: .7rem; } .totop span { display: none; } }

/* Textos largos sin espacios (URLs, DOIs, citas) nunca deben ensanchar la página en el móvil */
.prose, .ccard, .tl__it, .note, .node, .person { overflow-wrap: break-word; }
.refs li, .lnks a, .lnks span, .pub__cite, .prose a, a.lnk { overflow-wrap: anywhere; }
.lnks a > span { min-width: 0; }
.tl__it, .ccard, .pg__blk { min-width: 0; }
.prose ul, .refs ol, .lnks, .acc, .pubs, .tl { grid-template-columns: minmax(0, 1fr); }

/* Portada: bloque "Explora SIMAR+" con accesos a las páginas internas */
.explore { padding-top: 1rem; }
.explore__grid { grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); }
.explore .ccard { min-height: 9.5rem; }
.explore .ccard__title { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; }

/* el índice va justo debajo del nav (main.js mide su altura en --navh) */
.pg__tocbar, .pg__tocbar[class] { top: calc(var(--navh, 4.4rem) - 1px); }

/* ============================================================
   SELECTOR DE IDIOMA DESPLEGABLE (oct-2026): un solo botón con el
   idioma actual; al pulsarlo aparecen los otros dos debajo.
   ============================================================ */
.nav__lang { position: relative; padding: 0; border: 0; background: none; gap: 0; }
.nav__lang .nav__langcur {
  display: inline-flex; align-items: center; gap: .3rem; min-width: 0;
  padding: .45rem .7rem .45rem .85rem; border-radius: 62rem; border: 0;
  color: #04121f; background: var(--cyan);
  font: 700 .8125rem/1 var(--font-sans); letter-spacing: .06em; cursor: pointer;
  box-shadow: 0 .125rem .625rem -.125rem rgba(85, 230, 214, .55);
}
.nav__lang .nav__langcur:hover { background: #7af0e3; color: #04121f; }
.nav__langcur .nav__chev { width: .85rem; height: .85rem; display: block; transition: transform .2s var(--ease); }
.nav__lang.is-open .nav__langcur .nav__chev { transform: rotate(180deg); }
.nav__langmenu {
  position: absolute; top: calc(100% + .45rem); right: 0; z-index: 70; min-width: 9.5rem;
  display: flex; flex-direction: column; gap: .15rem; padding: .35rem;
  background: rgba(6, 18, 34, .98); border: 1px solid rgba(140, 200, 255, .32); border-radius: .9rem;
  box-shadow: 0 1.25rem 2.5rem -1rem rgba(0, 0, 0, .85);
  opacity: 0; transform: translateY(-.3rem); pointer-events: none; visibility: hidden;
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility 0s linear .18s;
}
.nav__lang.is-open .nav__langmenu { opacity: 1; transform: none; pointer-events: auto; visibility: visible; transition-delay: 0s; }
.nav__lang .nav__langmenu button {
  display: flex; align-items: baseline; gap: .55rem; width: 100%; min-width: 0;
  padding: .55rem .7rem; border-radius: .6rem; text-align: left;
  color: #dcebfa; background: none; font: 400 .875rem/1.2 var(--font-sans); letter-spacing: 0;
}
.nav__lang .nav__langmenu button b { font-weight: 700; color: var(--cyan); letter-spacing: .06em; min-width: 1.6rem; }
.nav__lang .nav__langmenu button:hover { background: rgba(85, 230, 214, .14); color: #fff; }
.nav__lang .nav__langmenu button.is-on { display: none; }   /* solo se ofrecen los otros dos */
@media (max-width: 900px) {
  .nav__lang .nav__langcur { padding: 8px 9px 8px 11px; font-size: 13px; }
}

/* Logos oficiales del pie (SEMARNAT·CONABIO y, si está, Decenio del Océano): misma altura */
.foot__official { margin-left: auto; display: inline-flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.foot__official .foot__gov { margin-left: 0; }
.foot__decade { display: inline-flex; opacity: .92; }
.foot__decade:hover { opacity: 1; }

/* ============================================================
   BUSCADOR (js/search.js)
   ============================================================ */
kbd {
  font: 600 .7rem/1 var(--font-sans); letter-spacing: .02em; color: var(--muted);
  padding: .2rem .4rem; border-radius: .35rem; border: 1px solid rgba(140, 200, 255, .28); background: rgba(255, 255, 255, .05);
}
/* botón de lupa del nav */
.nav__search {
  flex: none; display: inline-flex; align-items: center; gap: .5rem; cursor: pointer;
  padding: .42rem .55rem .42rem .7rem; border-radius: 62rem;
  color: #dcebfa; background: rgba(10, 28, 50, .72); border: 1px solid rgba(140, 200, 255, .32);
  font: 500 .8125rem/1 var(--font-sans); transition: border-color .2s, color .2s;
}
.nav__search:hover { border-color: rgba(85, 230, 214, .6); color: #fff; }
.nav__search svg { width: 1rem; height: 1rem; }
/* barra completa (>=1441px): lupa + texto + atajo; más estrecho, solo la lupa */
@media (max-width: 1440px) { .nav__search span, .nav__search kbd { display: none; } .nav__search { padding: .5rem; } }
@media (max-width: 1240px) { .nav__search { margin-left: auto; } .nav__lang { margin-left: 0; } }
@media (max-width: 400px) { .nav__search { padding: 7px; } }

/* barra destacada de la portada */
.hero__search {
  margin: 2rem auto 0; width: min(100%, 38rem); display: flex; align-items: center; gap: .8rem; cursor: text;
  padding: .95rem 1rem .95rem 1.25rem; border-radius: 62rem; text-align: left;
  color: var(--muted); background: rgba(8, 24, 44, .7); border: 1px solid rgba(140, 200, 255, .3);
  backdrop-filter: blur(.75rem); -webkit-backdrop-filter: blur(.75rem);
  font: 400 1rem/1.3 var(--font-sans); box-shadow: 0 1rem 2.5rem -1.5rem rgba(0, 0, 0, .8);
  transition: border-color .25s, box-shadow .25s;
}
.hero__search:hover { border-color: rgba(85, 230, 214, .6); box-shadow: 0 1.2rem 2.8rem -1.4rem rgba(85, 230, 214, .35); }
.hero__search svg { width: 1.25rem; height: 1.25rem; color: var(--cyan); flex: none; }
.hero__search span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 560px) { .hero__search { font-size: 15px; padding: 13px 14px; } .hero__search kbd { display: none; } }
@media (hover: none) { .hero__search kbd, .nav__search kbd { display: none; } }

/* paleta */
.srch-open, .srch-open body { overflow: hidden; }
.srch { position: fixed; inset: 0; z-index: 200; }
.srch__back { position: absolute; inset: 0; background: rgba(1, 6, 14, .62); backdrop-filter: blur(.25rem); -webkit-backdrop-filter: blur(.25rem); opacity: 0; transition: opacity .16s; }
.srch__panel {
  position: relative; margin: min(10vh, 6rem) auto 0; width: min(46rem, calc(100vw - 2rem)); max-height: min(78vh, 46rem);
  display: flex; flex-direction: column; overflow: hidden;
  background: rgb(7, 19, 36); border: 1px solid rgba(140, 200, 255, .26); border-radius: 1.25rem;
  box-shadow: 0 2.5rem 5rem -1.5rem rgba(0, 0, 0, .9), 0 0 0 1px rgba(85, 230, 214, .06) inset;
  opacity: 0; transform: translateY(-.6rem) scale(.985); transition: opacity .16s var(--ease), transform .16s var(--ease);
}
.srch.is-on .srch__back { opacity: 1; }
.srch.is-on .srch__panel { opacity: 1; transform: none; }
.srch__bar { display: flex; align-items: center; gap: .8rem; padding: 1rem 1.1rem; border-bottom: 1px solid var(--line); }
.srch__bar > svg { width: 1.3rem; height: 1.3rem; color: var(--cyan); flex: none; }
.srch__in { flex: 1; min-width: 0; background: none; border: 0; outline: none; color: var(--ink); font: 400 1.1rem/1.3 var(--font-sans); }
.srch__in::placeholder { color: var(--muted-2); }
.srch__in::-webkit-search-cancel-button { display: none; }
.srch__x { background: none; border: 0; cursor: pointer; padding: 0; }
.srch__chips { display: flex; gap: .4rem; flex-wrap: wrap; padding: .7rem 1.1rem 0; }
.srch__chips:empty { display: none; }
.srch__chips button {
  font: 500 .8rem/1 var(--font-sans); cursor: pointer; padding: .42rem .75rem; border-radius: 62rem;
  color: var(--muted); background: rgba(255, 255, 255, .04); border: 1px solid var(--line);
}
.srch__chips button b { font-weight: 400; color: var(--muted-2); margin-left: .35rem; }
.srch__chips button[aria-selected="true"] { color: #04121f; background: var(--cyan); border-color: transparent; font-weight: 600; }
.srch__chips button[aria-selected="true"] b { color: #0b3b44; }
.srch__list { overflow-y: auto; padding: .4rem .6rem .8rem; overscroll-behavior: contain; }
.srch__grp { font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); font-weight: 600; padding: .9rem .6rem .35rem; }
.srch__it { display: flex; gap: .8rem; align-items: flex-start; padding: .65rem .6rem; border-radius: .8rem; color: var(--ink); text-decoration: none; scroll-margin: .5rem; }
.srch__it[aria-selected="true"] { background: rgba(85, 230, 214, .1); box-shadow: inset 0 0 0 1px rgba(85, 230, 214, .35); }
.srch__ic {
  flex: none; width: 2.1rem; height: 2.1rem; border-radius: .6rem; display: grid; place-items: center;
  color: var(--aqua); background: rgba(111, 208, 255, .1); border: 1px solid rgba(111, 208, 255, .2);
}
.srch__ic svg { width: 1.05rem; height: 1.05rem; }
.srch__ic--sis { color: var(--cyan); background: rgba(85, 230, 214, .12); border-color: rgba(85, 230, 214, .3); }
.srch__ic--pub { color: #c9b8ff; background: rgba(138, 155, 255, .1); border-color: rgba(138, 155, 255, .25); }
.srch__ic--pro { color: var(--sand); background: rgba(242, 185, 120, .1); border-color: rgba(242, 185, 120, .25); }
.srch__tx { display: flex; flex-direction: column; gap: .15rem; min-width: 0; }
.srch__t { font-weight: 600; font-size: .95rem; line-height: 1.35; overflow-wrap: anywhere; }
.srch__t em { font-style: normal; font-weight: 500; font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line); border-radius: 62rem; padding: .1rem .45rem; margin-left: .3rem; }
.srch__m { font-size: .76rem; color: var(--muted-2); }
.srch__s { font-size: .84rem; color: var(--muted); line-height: 1.5; overflow-wrap: anywhere; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.srch__it.is-soon { opacity: .8; }
.srch mark { background: rgba(85, 230, 214, .22); color: #fff; border-radius: .2rem; padding: 0 .08em; }
.srch__sugg { display: flex; flex-wrap: wrap; gap: .45rem; padding: .2rem .6rem .4rem; }
.srch__sugg button, .srch__dym {
  font: 400 .85rem/1 var(--font-sans); cursor: pointer; padding: .5rem .8rem; border-radius: 62rem;
  color: #dcebfa; background: rgba(255, 255, 255, .04); border: 1px solid var(--line);
}
.srch__sugg button:hover, .srch__dym:hover { border-color: rgba(85, 230, 214, .55); color: #fff; }
.srch__dym { color: var(--cyan); font-weight: 600; margin-top: .6rem; }
.srch__tip { color: var(--muted-2); font-size: .8rem; padding: .8rem .6rem .2rem; line-height: 1.5; }
.srch__none { color: var(--muted); padding: 2.5rem 1rem; text-align: center; line-height: 1.6; }
.srch__foot {
  display: flex; flex-wrap: wrap; gap: .4rem 1.1rem; align-items: center; padding: .65rem 1.1rem;
  border-top: 1px solid var(--line); color: var(--muted-2); font-size: .75rem;
}
.srch__foot kbd { margin-right: .15rem; }
.srch__n { margin-left: auto; }
@media (max-width: 640px) {
  .srch__panel { margin: 0; width: 100vw; max-height: none; height: 100dvh; border-radius: 0; border: 0; }
  .srch__foot span:not(.srch__n) { display: none; }
  .srch__in { font-size: 16px; }   /* 16px evita el zoom automático de iOS al enfocar */
}
@media (hover: none) { .srch__foot span:not(.srch__n) { display: none; } }

/* margen al final para que el botón INICIO no tape los logos del pie */
.foot { padding-bottom: calc(2.5rem + 3.25rem); }

/* ============================================================
   PIE DE SITIO (rediseño oct-2026)
   1) identidad SIMAR+ · logo institucional Medio Ambiente · CONABIO (grande)
   2) mapa del sitio   3) instituciones colaboradoras
   4) barra final: © · enlaces legales · Decenio del Océano (secundario)
   ============================================================ */
.foot {
  max-width: var(--maxw); margin: 0 auto; border-top: 1px solid var(--line);
  padding: 3.5rem clamp(1.25rem, 5vw, 3.375rem) calc(1.5rem + 3.25rem);
}
.foot__top {
  display: flex; align-items: center; justify-content: space-between; gap: 2rem 3rem; flex-wrap: wrap;
  padding-bottom: 2.5rem; margin-bottom: 2.5rem; border-bottom: 1px solid var(--line);
}
.foot__id { display: flex; flex-direction: column; gap: .8rem; }
.foot__logo img { display: block; height: 2.75rem; width: auto; }
.foot__name { color: #c9dcef; font-size: .95rem; font-weight: 400; max-width: 32ch; }
.foot__inst { display: block; height: 3.6rem; width: auto; max-width: 100%; opacity: .96; }
.foot__social { display: inline-flex; gap: .5rem; }
.foot__map { padding-bottom: 2.5rem; margin-bottom: 2.5rem; }
.foot__partners { padding-bottom: 2.5rem; margin-bottom: 1.5rem; }
.foot__bottom {
  display: flex; align-items: center; flex-wrap: wrap; gap: .8rem 2rem;
  padding-top: 1.5rem; border-top: 1px solid var(--line);
  color: var(--muted-2); font-size: .82rem;
}
.foot__copy { color: var(--muted); }
.foot__legal { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; }
.foot__legal a { color: var(--muted-2); text-decoration: none; }
.foot__legal a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: .2em; }
.foot__bottom .foot__decade { margin-left: auto; display: inline-flex; opacity: .7; transition: opacity .2s; }
.foot__bottom .foot__decade:hover { opacity: 1; }
.foot__bottom .foot__decade img { height: 1.75rem; width: auto; display: block; }
@media (max-width: 900px) {
  .foot { padding-top: 2.5rem; }
  .foot__top { flex-direction: column; align-items: flex-start; }
  .foot__inst { height: 3rem; }
}
@media (max-width: 560px) {
  .foot__inst { height: auto; width: 100%; max-width: 22rem; }
  .foot__bottom { flex-direction: column; align-items: flex-start; }
  .foot__bottom .foot__decade { margin-left: 0; }
}

/* Tarjetas con enlace: el <a> del título cubre toda la tarjeta (::after) y los
   enlaces del texto quedan por encima (sin <a> anidados, que rompían la tarjeta) */
.ccard--link { transition: border-color .25s, transform .25s var(--ease); }
.ccard--link:hover { border-color: rgba(85, 230, 214, .45); transform: translateY(-.2rem); }
.ccard__a { color: inherit; text-decoration: none; }
.ccard__a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: 1; }
.ccard__a:focus-visible { outline: none; }
.ccard--link:focus-within { outline: 2px solid var(--cyan); outline-offset: 2px; }
.ccard--link .ccard__text a { position: relative; z-index: 2; }

/* figura pequeña (p. ej. la bandera de México en Ley Federal del Mar) */
.fig--sm { max-width: 16rem; border-radius: .6rem; }

/* ============================================================
   REJILLA DE SISTEMAS (oct-2026, a petición de Sergio)
   Sustituye a la rejilla de tarjetas de ancho fijo alineadas a la
   izquierda (dejaba 2 por fila y mucho hueco). Ahora cada eje cuenta
   cuántas columnas le caben por SU ancho (container query) y la última
   fila incompleta se centra:
     <34rem: 1 · 34–54rem: 2 · 54–68rem: 3 · ≥68rem: 4
   En rem, así que en monitores de 32" (raíz 20–28px) escala sola.
   ============================================================ */
.axis__grid {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 1.25rem;
  container-type: inline-size;
}
.axis__grid > .card { flex: 0 1 100%; min-width: 0; }
@container (min-width: 34rem) { .axis__grid > .card { flex-basis: calc((100% - 1.25rem) / 2); } }
@container (min-width: 54rem) { .axis__grid > .card { flex-basis: calc((100% - 2 * 1.25rem) / 3); } }
@container (min-width: 68rem) { .axis__grid > .card { flex-basis: calc((100% - 3 * 1.25rem) / 4); } }
/* el bloque del hero ocupa el ancho disponible (máx. 56.25rem): sin esto, el texto de una
   sola línea de la barra de búsqueda lo ensanchaba más que la pantalla en el móvil */
.hero__inner { width: 100%; }
/* la sección de sistemas aprovecha más ancho que el texto corrido (antes 73.75rem fijos
   dejaban tarjetas de 260px con mucho hueco a los lados en pantallas de 1440–1920px) */
.systems, .axes { max-width: 92rem; }

/* Aviso de versión nueva (main.js · 12b) */
.newver {
  position: fixed; left: 50%; bottom: clamp(1rem, 3vw, 2rem); z-index: 150;
  transform: translate(-50%, 1rem); opacity: 0; transition: opacity .3s var(--ease), transform .3s var(--ease);
  display: flex; align-items: center; gap: 1rem; padding: .7rem .7rem .7rem 1.1rem; border-radius: 62rem;
  background: rgb(7, 19, 36); border: 1px solid rgba(85, 230, 214, .45); color: var(--ink);
  font-size: .9rem; box-shadow: 0 1rem 2.5rem -1rem rgba(0, 0, 0, .9); max-width: calc(100vw - 2rem);
}
.newver.is-on { opacity: 1; transform: translate(-50%, 0); }
.newver button {
  flex: none; cursor: pointer; border: 0; border-radius: 62rem; padding: .5rem 1rem;
  font: 600 .85rem/1 var(--font-sans); color: #04121f; background: var(--cyan);
}
@media (max-width: 560px) { .newver { font-size: .82rem; left: 1rem; right: 1rem; transform: translateY(1rem); } .newver.is-on { transform: none; } }

/* Encabezados de los ejes centrados (oct-2026): el bloque número + título se centra
   (como las tarjetas), el texto sigue alineado a la izquierda dentro del bloque para
   leerse bien, y la línea de acento queda al centro. */
.axis__head { justify-content: center; }
.axis__titles { max-width: 44rem; }
.axis__head::after {
  left: 50%; width: min(16rem, 60%); transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}