/*
  RibaWebcam · ribawebcam.com
  Hoja de estilos única, CSS puro, mobile-first.
  Sistema de diseño:
    Color:   mar profundo / mar medio / espuma / arena / verde monte / coral atardecer
    Tipo:    Instrument Serif (display) + Work Sans (texto) + Space Mono (datos/utilidad)
    Firma:   el "visor" — marco tipo cámara con esquinas, usado para el hueco de la webcam
*/

/* ---------- Tokens ---------- */
:root {
  --mar-profundo: #0b3b4c;
  --mar-profundo-2: #082c39;
  --mar-medio: #1c7293;
  --mar-claro: #6fb8d1;
  --espuma: #faf7f0;
  --arena: #e4d3a6;
  --arena-suave: #f1e6c8;
  --verde-monte: #3f6b4a;
  --verde-monte-2: #2c4d35;
  --coral: #d9663b;
  --coral-suave: #f2c9b3;
  --tinta: #14282e;
  --tinta-suave: #4a5c60;
  --borde: #d8d0bd;
  --blanco: #ffffff;

  --fuente-display: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --fuente-texto: "Work Sans", "Segoe UI", system-ui, sans-serif;
  --fuente-mono: "Space Mono", "SFMono-Regular", Menlo, monospace;

  --radio: 6px;
  --radio-grande: 14px;
  --sombra: 0 12px 32px -16px rgba(8, 30, 40, 0.35);
  --sombra-suave: 0 4px 16px -8px rgba(8, 30, 40, 0.25);
  --contenedor: 1180px;
  --espacio-seccion: 4.5rem;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
body {
  font-family: var(--fuente-texto);
  color: var(--tinta);
  background: var(--espuma);
  line-height: 1.55;
  font-size: 1rem;
  min-height: 100vh;
}
img, picture { max-width: 100%; display: block; }
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration-color: var(--mar-medio); text-underline-offset: 3px; }
a:not([class]) { color: var(--mar-medio); }
a:not([class]):hover { color: var(--coral); }
ul, ol { padding-left: 1.2em; }
h1, h2, h3, h4 { font-family: var(--fuente-display); font-weight: 400; line-height: 1.12; color: var(--mar-profundo-2); letter-spacing: 0.002em; }
h1 { font-size: clamp(2.4rem, 5vw + 1rem, 4rem); }
h2 { font-size: clamp(1.9rem, 3vw + 1rem, 2.7rem); }
h3 { font-size: clamp(1.35rem, 1.4vw + 1rem, 1.7rem); }
p { max-width: 68ch; }
.lead { font-size: 1.15rem; color: var(--tinta-suave); max-width: 56ch; }
em { font-style: italic; color: inherit; }
strong { font-weight: 600; }

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
  border-radius: 2px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

.skip-link {
  position: absolute; left: 1rem; top: -4rem;
  background: var(--mar-profundo); color: var(--espuma);
  padding: 0.75rem 1.25rem; border-radius: var(--radio);
  z-index: 200; transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; }

/* ---------- Layout utilities ---------- */
.contenedor {
  width: 100%;
  max-width: var(--contenedor);
  margin-inline: auto;
  padding-inline: 1.25rem;
}
@media (min-width: 640px) { .contenedor { padding-inline: 2rem; } }
@media (min-width: 1024px) { .contenedor { padding-inline: 2.5rem; } }

.seccion { padding-block: var(--espacio-seccion); }
.seccion--muted { background: var(--arena-suave); }
.seccion--oscura { background: var(--mar-profundo); color: var(--espuma); }
.seccion--oscura h2, .seccion--oscura h3 { color: var(--espuma); }
.seccion--oscura .lead { color: #c9dbe1; }

.pila { display: flex; flex-direction: column; gap: 1rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--fuente-mono); font-size: 0.78rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mar-medio); font-weight: 700;
}
.eyebrow::before { content: ""; width: 1.4em; height: 2px; background: var(--coral); display: inline-block; }
.seccion--oscura .eyebrow { color: var(--arena); }

.encabezado-seccion { max-width: 62ch; margin-bottom: 2.25rem; }
.encabezado-seccion h2 { margin-top: 0.5rem; }

/* ---------- Header / Nav ---------- */
.cabecera {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 59, 76, 0.97);
  backdrop-filter: saturate(140%) blur(6px);
  color: var(--espuma);
  border-bottom: 1px solid rgba(250, 247, 240, 0.12);
}
.cabecera__barra {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 0.85rem;
  gap: 1rem;
}
.logo {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--fuente-display); font-size: 1.5rem; color: var(--espuma);
  text-decoration: none; white-space: nowrap;
}
.logo:hover { color: var(--arena); }
.logo__ola { flex-shrink: 0; }
.logo__marca { font-style: italic; }
.logo__marca b { font-style: normal; font-weight: 400; color: var(--arena); }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.75rem; height: 2.75rem;
  background: transparent; border: 1px solid rgba(250, 247, 240, 0.35);
  border-radius: var(--radio); cursor: pointer;
}
.nav-toggle:hover { border-color: var(--arena); }
.nav-toggle__icono, .nav-toggle__icono::before, .nav-toggle__icono::after {
  display: block; width: 1.2rem; height: 2px; background: var(--espuma); position: relative; transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle__icono::before, .nav-toggle__icono::after { content: ""; position: absolute; left: 0; }
.nav-toggle__icono::before { top: -6px; }
.nav-toggle__icono::after { top: 6px; }
.cabecera.abierta .nav-toggle__icono { background: transparent; }
.cabecera.abierta .nav-toggle__icono::before { transform: translateY(6px) rotate(45deg); }
.cabecera.abierta .nav-toggle__icono::after { transform: translateY(-6px) rotate(-45deg); }

.nav-principal {
  display: none;
  flex-basis: 100%;
}
.cabecera.abierta .nav-principal { display: block; }
.nav-principal__lista {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column;
  border-top: 1px solid rgba(250, 247, 240, 0.15);
  padding-top: 0.75rem; margin-top: 0.75rem;
}
.nav-principal__lista a {
  display: block; padding: 0.7rem 0.2rem;
  color: var(--espuma); text-decoration: none;
  font-size: 1.02rem; border-bottom: 1px solid rgba(250, 247, 240, 0.08);
}
.nav-principal__lista a:hover, .nav-principal__lista a[aria-current="page"] { color: var(--arena); }
.nav-principal__lista a[aria-current="page"] { font-weight: 600; }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .cabecera__barra { flex-wrap: nowrap; }
  .nav-principal { display: block; flex-basis: auto; margin-left: auto; }
  .nav-principal__lista {
    flex-direction: row; gap: 1.75rem; border-top: 0; padding-top: 0; margin-top: 0;
  }
  .nav-principal__lista a { padding: 0.4rem 0.1rem; border-bottom: 2px solid transparent; }
  .nav-principal__lista a:hover { border-bottom-color: var(--arena); }
  .nav-principal__lista a[aria-current="page"] { border-bottom-color: var(--coral); }
}

/* ---------- Botones ---------- */
.boton {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--fuente-texto); font-weight: 600; font-size: 0.98rem;
  padding: 0.8rem 1.5rem; border-radius: 999px;
  text-decoration: none; border: 1.5px solid transparent; cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.boton:hover { transform: translateY(-1px); }
.boton--primario { background: var(--coral); color: var(--espuma); }
.boton--primario:hover { background: #c15530; }
.boton--claro { background: var(--espuma); color: var(--mar-profundo); }
.boton--claro:hover { background: var(--arena); }
.boton--fantasma { background: transparent; color: var(--espuma); border-color: rgba(250, 247, 240, 0.5); }
.boton--fantasma:hover { border-color: var(--espuma); }
.boton--oscuro { background: var(--mar-profundo); color: var(--espuma); }
.boton--oscuro:hover { background: var(--mar-profundo-2); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: radial-gradient(120% 140% at 15% -10%, #164f63 0%, var(--mar-profundo) 45%, var(--mar-profundo-2) 100%);
  color: var(--espuma);
  overflow: hidden;
  padding-top: 3rem;
}
.hero__paisaje { position: absolute; inset: auto 0 0 0; width: 100%; height: auto; opacity: 0.9; pointer-events: none; }
.hero__contenido { position: relative; z-index: 2; padding-bottom: 4rem; }
.hero__grid { display: grid; gap: 2.75rem; }
.hero__texto { max-width: 40rem; }
.hero__texto .eyebrow { margin-bottom: 1rem; }
.hero h1 { margin-bottom: 1.1rem; }
.hero h1 em { color: var(--arena); }
.hero__lead { color: #d7e6ea; font-size: 1.15rem; max-width: 46ch; margin-bottom: 1.75rem; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 0.5rem; }

@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 1.05fr 0.95fr; align-items: center; }
}

/* ---------- Visor (firma visual: hueco de la webcam) ---------- */
.visor {
  position: relative;
  display: block;
  border-radius: var(--radio-grande);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(155deg, #123f50 0%, #0d3040 60%, #092732 100%);
  box-shadow: var(--sombra);
  isolation: isolate;
  text-decoration: none;
  color: inherit;
}
a.visor:hover .visor__imagen { transform: scale(1.015); }
a.visor:hover .visor__play { transform: translate(-50%, -50%) scale(1.06); background: rgba(217, 102, 59, 0.92); }

.visor__play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 4.2rem; height: 4.2rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(8, 30, 40, 0.55); border: 1.5px solid rgba(250,247,240,0.75);
  color: var(--espuma); z-index: 3;
  backdrop-filter: blur(2px);
  transition: transform 0.2s ease, background 0.2s ease, opacity 0.2s ease;
  cursor: pointer; padding: 0;
}
.visor__play svg { margin-left: 3px; }
button.visor__play:hover, button.visor__play:focus-visible { transform: translate(-50%, -50%) scale(1.06); background: rgba(217, 102, 59, 0.92); }
.visor__play--oculto { opacity: 0; pointer-events: none; }

.visor__aviso {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  z-index: 3; max-width: 22rem; text-align: center;
  font-size: 0.85rem; line-height: 1.4; color: var(--espuma);
  background: rgba(8, 30, 40, 0.78); border: 1px solid rgba(250,247,240,0.25);
  padding: 0.9em 1.2em; border-radius: var(--radio-grande);
  opacity: 0; transition: opacity 0.25s ease;
}
.visor__aviso--visible { opacity: 1; }
.visor__imagen {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.72) brightness(0.6) contrast(1.05);
  transition: transform 0.3s ease;
}
.visor__veladura {
  position: absolute; inset: 0;
  background: linear-gradient(185deg, rgba(9, 39, 50, 0.15) 0%, rgba(8, 30, 40, 0.78) 100%);
}
.visor__ruido {
  position: absolute; inset: 0; mix-blend-mode: overlay; opacity: 0.5;
  background-image: repeating-linear-gradient(0deg, rgba(255,255,255,0.05) 0px, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 3px);
}
.visor__esquina { position: absolute; width: 1.6rem; height: 1.6rem; border: 2px solid var(--arena); z-index: 3; }
.visor__esquina--tl { top: 0.85rem; left: 0.85rem; border-right: 0; border-bottom: 0; }
.visor__esquina--tr { top: 0.85rem; right: 0.85rem; border-left: 0; border-bottom: 0; }
.visor__esquina--bl { bottom: 0.85rem; left: 0.85rem; border-right: 0; border-top: 0; }
.visor__esquina--br { bottom: 0.85rem; right: 0.85rem; border-left: 0; border-top: 0; }

.visor__estado {
  position: absolute; top: 1rem; left: 50%; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--fuente-mono); font-size: 0.72rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--espuma);
  background: rgba(8, 30, 40, 0.55); border: 1px solid rgba(250,247,240,0.25);
  padding: 0.4em 0.9em; border-radius: 999px; z-index: 3; white-space: nowrap;
}
.visor__punto {
  width: 0.5em; height: 0.5em; border-radius: 50%; background: var(--coral);
  box-shadow: 0 0 0 0 rgba(217, 102, 59, 0.7);
  animation: pulso 2.4s ease-out infinite;
}
@keyframes pulso {
  0% { box-shadow: 0 0 0 0 rgba(217, 102, 59, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(217, 102, 59, 0); }
  100% { box-shadow: 0 0 0 0 rgba(217, 102, 59, 0); }
}

.visor__leyenda {
  position: absolute; left: 1.1rem; right: 1.1rem; bottom: 1.1rem; z-index: 3;
  color: var(--espuma);
}
.visor__leyenda strong { display: block; font-family: var(--fuente-display); font-size: 1.5rem; font-weight: 400; margin-bottom: 0.15em; }
.visor__leyenda span { font-size: 0.9rem; color: #d7e6ea; }

.visor--compacto { aspect-ratio: 16 / 10; }

/* ---------- Ad slots ---------- */
.ad-slot {
  display: flex; align-items: center; justify-content: center;
  background: repeating-linear-gradient(135deg, #eee5cd, #eee5cd 10px, #e7dcc0 10px, #e7dcc0 20px);
  border: 1px dashed var(--borde);
  border-radius: var(--radio);
  color: #8a7d5c;
  font-family: var(--fuente-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase;
  text-align: center; padding: 1rem;
}
.ad-slot--banner { min-height: 90px; width: 100%; }
.ad-slot--rectangulo { min-height: 250px; aspect-ratio: 300 / 250; max-width: 300px; margin-inline: auto; }
.ad-slot--sidebar { display: none; }
@media (min-width: 1024px) {
  .ad-slot--sidebar { display: flex; min-height: 480px; aspect-ratio: 300 / 480; }
}

/* ---------- Tarjetas ---------- */
.tarjetas { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .tarjetas { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .tarjetas--5 { grid-template-columns: repeat(3, 1fr); } .tarjetas--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1280px) { .tarjetas--5 { grid-template-columns: repeat(5, 1fr); } }

.tarjeta {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio-grande);
  padding: 1.6rem;
  display: flex; flex-direction: column; gap: 0.7rem;
  text-decoration: none; color: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  height: 100%;
}
a.tarjeta:hover { transform: translateY(-3px); box-shadow: var(--sombra-suave); border-color: var(--mar-claro); }
.tarjeta__icono { width: 2.5rem; height: 2.5rem; color: var(--mar-medio); }
.tarjeta h3 { font-size: 1.3rem; margin: 0; }
.tarjeta p { font-size: 0.95rem; color: var(--tinta-suave); margin: 0; }
.tarjeta__enlace { margin-top: auto; font-family: var(--fuente-mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--coral); }

.tarjeta-foto {
  background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio-grande);
  overflow: hidden; display: flex; flex-direction: column;
}
.tarjeta-foto__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--arena-suave); }
.tarjeta-foto__media img { width: 100%; height: 100%; object-fit: cover; }
.tarjeta-foto__cuerpo { padding: 1.4rem; display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.tarjeta-foto__cuerpo p { font-size: 0.95rem; color: var(--tinta-suave); }
.tarjeta-foto__meta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: auto; }

.etiqueta {
  display: inline-flex; align-items: center; font-family: var(--fuente-mono);
  font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase;
  background: var(--arena-suave); color: var(--verde-monte-2);
  padding: 0.3em 0.7em; border-radius: 999px; border: 1px solid var(--arena);
}
.etiqueta--mar { background: #e4f0f4; color: var(--mar-profundo); border-color: #c7dee6; }
.etiqueta--coral { background: #fbe6db; color: #9a4321; border-color: var(--coral-suave); }

/* ---------- Datos / tablas (mareas, distancias) ---------- */
.datos {
  font-family: var(--fuente-mono);
  border-collapse: collapse; width: 100%; font-size: 0.92rem;
}
.datos caption { text-align: left; font-family: var(--fuente-texto); color: var(--tinta-suave); margin-bottom: 0.6rem; }
.datos th, .datos td { text-align: left; padding: 0.65rem 0.8rem; border-bottom: 1px solid var(--borde); }
.datos th { color: var(--mar-profundo); font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; font-size: 0.78rem; }

.ficha-datos {
  display: grid; gap: 1px; background: var(--borde);
  border: 1px solid var(--borde); border-radius: var(--radio); overflow: hidden;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .ficha-datos { grid-template-columns: repeat(2, 1fr); } }
.ficha-datos__item { background: var(--blanco); padding: 1rem 1.2rem; }
.ficha-datos__item dt { font-family: var(--fuente-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--mar-medio); margin-bottom: 0.3rem; }
.ficha-datos__item dd { margin: 0; font-size: 1.02rem; }

/* ---------- Caja de aviso / próximamente ---------- */
.aviso {
  border: 1px solid var(--mar-claro); background: #eef6f9;
  border-radius: var(--radio); padding: 1.4rem 1.6rem;
  display: flex; gap: 1rem; align-items: flex-start;
}
.aviso__icono { flex-shrink: 0; width: 1.6rem; height: 1.6rem; color: var(--mar-medio); margin-top: 0.15rem; }
.aviso h3 { font-size: 1.1rem; margin-bottom: 0.3rem; font-family: var(--fuente-texto); font-weight: 700; color: var(--mar-profundo); }
.aviso p { font-size: 0.95rem; color: var(--tinta-suave); margin: 0; }

/* ---------- Divisor ola ---------- */
.ola-divisor { display: block; width: 100%; height: auto; }
.ola-divisor--espuma path { fill: var(--espuma); }
.ola-divisor--arena path { fill: var(--arena-suave); }
.ola-divisor--profundo path { fill: var(--mar-profundo); }

/* ---------- Bloque de contenido con imagen ---------- */
.bloque-media { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 900px) { .bloque-media { grid-template-columns: 1fr 1fr; gap: 3rem; } .bloque-media--inversa { direction: rtl; } .bloque-media--inversa > * { direction: ltr; } }
.bloque-media__imagen { border-radius: var(--radio-grande); overflow: hidden; box-shadow: var(--sombra-suave); aspect-ratio: 4/3; }
.bloque-media__imagen img { width: 100%; height: 100%; object-fit: cover; }
.bloque-media__texto > * + * { margin-top: 1rem; }

/* ---------- Ilustración propia (donde no hay foto libre disponible) ---------- */
.ilustracion-costa {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radio-grande);
  overflow: hidden;
  background: linear-gradient(155deg, #1c7293 0%, #14586f 55%, #0b3b4c 100%);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sombra-suave);
}
.ilustracion-costa svg { width: 40%; height: 40%; color: rgba(250, 247, 240, 0.65); }
.ilustracion-costa::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 35%;
  background: linear-gradient(0deg, rgba(228, 211, 166, 0.35), transparent);
}

figure.foto { margin: 0; }
figure.foto img { border-radius: var(--radio-grande); box-shadow: var(--sombra-suave); }
figure.foto figcaption { font-size: 0.82rem; color: var(--tinta-suave); margin-top: 0.6rem; font-family: var(--fuente-mono); }
figure.foto figcaption a { color: var(--mar-medio); }

/* ---------- Layout con sidebar (contenido + publicidad escritorio) ---------- */
.con-sidebar { display: grid; gap: 2.5rem; }
@media (min-width: 1024px) {
  .con-sidebar { grid-template-columns: minmax(0, 1fr) 300px; align-items: start; }
  .con-sidebar__aside { position: sticky; top: 6rem; display: flex; flex-direction: column; gap: 1.5rem; }
}

/* ---------- Grid de playas / listas ---------- */
.lista-simple { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.lista-simple li { padding-left: 1.6rem; position: relative; }
.lista-simple li::before { content: "→"; position: absolute; left: 0; color: var(--coral); }

/* ---------- Timeline (Descenso del Sella) ---------- */
.linea-tiempo { position: relative; padding-left: 2rem; display: flex; flex-direction: column; gap: 2rem; border-left: 2px solid var(--arena); margin-left: 0.4rem; }
.linea-tiempo__item { position: relative; }
.linea-tiempo__item::before {
  content: ""; position: absolute; left: -2.5rem; top: 0.35rem;
  width: 0.9rem; height: 0.9rem; border-radius: 50%; background: var(--coral); border: 3px solid var(--espuma); box-shadow: 0 0 0 2px var(--coral);
}
.linea-tiempo__año { font-family: var(--fuente-mono); color: var(--mar-medio); font-size: 0.85rem; letter-spacing: 0.04em; }
.linea-tiempo__item h3 { margin-top: 0.15rem; }

/* ---------- Footer ---------- */
.pie {
  background: var(--mar-profundo-2); color: #cfe0e5; padding-block: 3.5rem 2rem;
}
.pie a { color: #cfe0e5; text-decoration: none; }
.pie a:hover { color: var(--arena); text-decoration: underline; }
.pie__grid { display: grid; gap: 2.2rem; grid-template-columns: 1fr; margin-bottom: 2.5rem; }
@media (min-width: 720px) { .pie__grid { grid-template-columns: 1.3fr 1fr 1fr; } }
.pie__marca .logo { color: var(--espuma); }
.pie__marca p { color: #9db5bc; font-size: 0.92rem; margin-top: 0.8rem; max-width: 34ch; }
.pie h4 { font-family: var(--fuente-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--arena); margin-bottom: 0.9rem; }
.pie ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.55rem; font-size: 0.92rem; }
.pie__legal { border-top: 1px solid rgba(207, 224, 229, 0.15); padding-top: 1.5rem; font-size: 0.82rem; color: #7f99a1; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between; }

/* ---------- Créditos de imagen ---------- */
.creditos {
  font-size: 0.8rem; color: var(--tinta-suave); font-family: var(--fuente-mono);
  border-top: 1px dashed var(--borde); margin-top: 3rem; padding-top: 1.5rem;
}
.creditos ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.4rem; }
.creditos a { color: var(--mar-medio); }

/* ---------- Página no encontrada ---------- */
.error-404 { text-align: center; padding-block: 6rem; }

/* ---------- Enlace de vuelta ---------- */
.volver { display: inline-flex; align-items: center; gap: 0.4em; font-size: 0.9rem; margin-bottom: 1.5rem; text-decoration: none; color: var(--mar-medio); }
.volver:hover { color: var(--coral); }