/* mundodigitalcreativo.com — sala clara con marino profundo, franja tricolor y destellos amarillos */

:root {
  --papel: #f5efe0;
  --crema: #fffaf0;
  --blanco: #ffffff;
  --marino: #0b1d4f;
  --marino-2: #132f7c;
  --marino-3: #1c46ab;
  --amarillo: #ffcf2e;
  --amarillo-claro: #ffe27a;
  --amarillo-hondo: #e0ac00;
  --azul: #1c52e0;
  --azul-claro: #e6edff;
  --rojo: #d7263d;
  --rojo-claro: #ffe5e8;
  --tinta: #14203f;
  --suave: #55607f;
  --linea: rgba(11, 29, 79, 0.15);
  --linea-fuerte: rgba(11, 29, 79, 0.3);

  --titulos: "Red Hat Display", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --cuerpo: "Red Hat Text", "Segoe UI", Roboto, Arial, sans-serif;

  --ancho: 1120px;
  --lateral: clamp(1rem, 4vw, 2.2rem);
  --alto-cabeza: 68px;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation: none !important; }
}

body { margin: 0; background: var(--papel); color: var(--tinta); font-family: var(--cuerpo); font-size: 1.06rem; line-height: 1.72; }
body.md-quieto { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
p { margin: 0 0 1em; }
strong { color: var(--marino); font-weight: 700; }

:focus-visible { outline: 3px solid var(--azul); outline-offset: 3px; border-radius: 4px; }
section:focus { outline: none; }

.md-oculto { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.md-salto { position: absolute; top: -90px; left: 1rem; z-index: 999; padding: 0.7rem 1rem; border-radius: 8px; background: var(--amarillo); color: var(--marino); font-weight: 800; text-decoration: none; }
.md-salto:focus { top: 1rem; }

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

/* barra de avance */
.md-avance { position: fixed; top: 0; left: 0; right: 0; z-index: 500; height: 4px; background: linear-gradient(90deg, var(--amarillo) 0 50%, var(--azul) 50% 75%, var(--rojo) 75%); transform: scaleX(0); transform-origin: 0 50%; }

/* franja tricolor */
.md-banda { display: flex; height: 4px; }
.md-banda i { display: block; }
.md-banda i:nth-child(1) { flex: 2; background: var(--amarillo); }
.md-banda i:nth-child(2) { flex: 1; background: var(--azul); }
.md-banda i:nth-child(3) { flex: 1; background: var(--rojo); }
.md-banda--pie { height: 6px; }

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

.md-boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.7rem 1.5rem;
  border: 2px solid transparent;
  border-radius: 999px;
  font-family: var(--titulos);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.md-boton:hover { transform: translateY(-2px); }
.md-boton:active { transform: translateY(1px); }
.md-boton--amarillo { background: linear-gradient(180deg, var(--amarillo-claro), var(--amarillo) 60%, var(--amarillo-hondo)); color: var(--marino); box-shadow: 0 5px 0 #a47d00, 0 14px 22px -12px rgba(224, 172, 0, 0.9); }
.md-boton--amarillo:hover { box-shadow: 0 7px 0 #a47d00, 0 18px 26px -12px rgba(224, 172, 0, 1); }
.md-boton--amarillo:active { box-shadow: 0 2px 0 #a47d00; }
.md-boton--marino { background: linear-gradient(180deg, var(--marino-3), var(--marino)); color: var(--blanco); box-shadow: 0 5px 0 #050f2e, 0 14px 22px -12px rgba(11, 29, 79, 0.8); }
.md-boton--marino:hover { box-shadow: 0 7px 0 #050f2e, 0 18px 26px -12px rgba(11, 29, 79, 0.9); }
.md-boton--marino:active { box-shadow: 0 2px 0 #050f2e; }
.md-boton--borde { background: transparent; border-color: currentColor; color: var(--blanco); }
.md-boton--borde:hover { background: var(--blanco); color: var(--marino); }
.md-boton--grande { min-height: 56px; padding: 0.85rem 2rem; font-size: 1.06rem; }
.md-boton--ancho { width: 100%; }

/* ---------- cabeza ---------- */

.md-cabeza { position: sticky; top: 0; z-index: 300; background: rgba(255, 250, 240, 0.94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--linea); }
.md-cabeza__fila { display: flex; align-items: center; gap: 1.2rem; height: calc(var(--alto-cabeza) - 4px); }

.md-marca { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--marino); text-decoration: none; flex-shrink: 0; }
.md-marca__uno { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--marino); color: var(--amarillo); font-family: var(--titulos); font-size: 1.3rem; font-weight: 900; box-shadow: 3px 3px 0 var(--amarillo); }
.md-marca__txt { font-family: var(--titulos); font-size: 1.65rem; font-weight: 900; letter-spacing: -0.04em; }
.md-marca__pais { padding: 0.1rem 0.5rem; border-radius: 6px; background: var(--rojo); color: var(--blanco); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }

.md-menu { margin-left: auto; }
.md-menu ul { display: flex; gap: 0.15rem; margin: 0; padding: 0; list-style: none; }
.md-menu__a { position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.8rem; color: var(--marino); font-family: var(--titulos); font-size: 0.95rem; font-weight: 700; text-decoration: none; }
.md-menu__a::after { content: ""; position: absolute; left: 0.8rem; right: 0.8rem; bottom: 7px; height: 3px; border-radius: 2px; background: var(--amarillo); transform: scaleX(0); transform-origin: 0 50%; transition: transform 0.22s ease; }
.md-menu__a:hover::after,
.md-menu__a[aria-current="true"]::after { transform: scaleX(1); }
.md-menu__a[aria-current="true"] { color: var(--azul); }
.md-cabeza__cta { min-height: 44px; padding: 0.5rem 1.2rem; font-size: 0.92rem; box-shadow: 0 4px 0 #a47d00; }

/* ---------- sala (portada) ---------- */

.md-sala { padding: clamp(2.2rem, 5vw, 4rem) 0 0; background: radial-gradient(700px 420px at 90% 0%, rgba(28, 82, 224, 0.7), transparent 70%), radial-gradient(500px 320px at 0% 100%, rgba(215, 38, 61, 0.25), transparent 70%), linear-gradient(170deg, var(--marino-2), var(--marino)); color: var(--blanco); }
.md-sala__rej { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(1.6rem, 4vw, 3.4rem); align-items: center; }
.md-sala__marca { display: inline-block; margin-bottom: 1rem; padding: 0.25rem 0.9rem; border-radius: 999px; background: var(--amarillo); color: var(--marino); font-family: var(--titulos); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.md-sala h1 { margin: 0 0 1.1rem; font-family: var(--titulos); font-size: clamp(2rem, 1.3rem + 2.8vw, 3.4rem); font-weight: 900; line-height: 1.06; letter-spacing: -0.03em; text-wrap: balance; }
.md-sala__intro { color: #dbe4ff; }
.md-sala__intro p { margin-bottom: 0.9em; }
.md-sala__botones { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.5rem; }
.md-pantalla { margin: 0; padding: 8px; border-radius: 26px; background: var(--crema); box-shadow: 14px 14px 0 var(--amarillo), 0 30px 50px -28px rgba(0, 0, 0, 0.7); transform: rotate(1.2deg); }
.md-pantalla img { width: 100%; aspect-ratio: 1380 / 752; object-fit: cover; border-radius: 19px; }

.md-cifras { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: clamp(2.2rem, 5vw, 3.2rem) 0 calc(-1 * clamp(2rem, 4vw, 2.8rem)); padding: 0; list-style: none; }
.md-cifra { display: grid; gap: 0.1rem; padding: 1rem 1.3rem; border-radius: 18px; color: var(--marino); box-shadow: 0 18px 30px -20px rgba(0, 0, 0, 0.6); }
.md-cifra b { font-family: var(--titulos); font-size: clamp(1.4rem, 1.1rem + 1.2vw, 2rem); font-weight: 900; line-height: 1.1; }
.md-cifra span { font-size: 0.92rem; font-weight: 600; }
.md-cifra--a { background: var(--amarillo); }
.md-cifra--b { background: var(--blanco); border: 2px solid var(--azul); }
.md-cifra--c { background: var(--rojo); color: var(--blanco); }

/* ---------- capítulos ---------- */

.md-capitulo { padding: clamp(2.8rem, 6vw, 4.4rem) 0; background: var(--papel); --color: var(--amarillo); --color-texto: var(--marino); }
.md-capitulo:nth-of-type(even) { background: var(--crema); }
.md-capitulo:first-of-type { padding-top: clamp(5.4rem, 9vw, 7rem); }
.md-capitulo--azul { --color: var(--azul); --color-texto: var(--blanco); }
.md-capitulo--rojo { --color: var(--rojo); --color-texto: var(--blanco); }
.md-capitulo__cab { display: grid; grid-template-columns: auto 1fr; column-gap: 1.2rem; align-items: center; margin-bottom: 1.5rem; }
.md-capitulo__num { grid-row: 1 / 3; color: transparent; -webkit-text-stroke: 2px var(--marino); font-family: var(--titulos); font-size: clamp(3.4rem, 2.6rem + 3.4vw, 5.6rem); font-weight: 900; line-height: 0.9; text-shadow: 4px 4px 0 var(--color); }
.md-capitulo__eti { justify-self: start; align-self: end; padding: 0.15rem 0.75rem; border-radius: 6px; background: var(--color); color: var(--color-texto); font-family: var(--titulos); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.md-capitulo__cab h2 { margin: 0.4rem 0 0; color: var(--marino); font-family: var(--titulos); font-size: clamp(1.45rem, 1.1rem + 1.4vw, 2.2rem); font-weight: 900; line-height: 1.14; letter-spacing: -0.02em; text-wrap: balance; }
.md-capitulo__cuerpo { padding: clamp(1.2rem, 3vw, 2rem); border: 1px solid var(--linea); border-top: 6px solid var(--color); border-radius: 6px 22px 22px 22px; background: var(--blanco); box-shadow: 0 24px 40px -32px rgba(11, 29, 79, 0.6); }
.md-capitulo__cuerpo > :last-child { margin-bottom: 0; }

.md-sub { margin: 1.8rem 0; padding-top: 1.4rem; border-top: 2px dashed var(--linea-fuerte); }
.md-sub:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.md-sub:last-child { margin-bottom: 0; }
.md-sub h3 { display: flex; align-items: center; gap: 0.7rem; margin: 0 0 0.7rem; color: var(--marino); font-family: var(--titulos); font-size: 1.32rem; font-weight: 800; line-height: 1.25; }
.md-sub h3::before { content: ""; flex-shrink: 0; width: 14px; height: 14px; border-radius: 3px; background: var(--color); transform: rotate(45deg); }
.md-sub > :last-child { margin-bottom: 0; }

.md-llamado { margin: 1.8rem 0 0.2rem; }

.md-puntos { display: grid; gap: 0.5rem; margin: 0 0 1rem; padding: 0; list-style: none; }
.md-puntos li { position: relative; padding-left: 1.7rem; line-height: 1.55; }
.md-puntos li::before { content: ""; position: absolute; left: 0.15rem; top: 0.5em; width: 0.62rem; height: 0.62rem; border-radius: 2px; background: var(--amarillo); box-shadow: 0 0 0 2px var(--marino); }
.md-puntos li:nth-child(3n+2)::before { background: var(--azul); }
.md-puntos li:nth-child(3n)::before { background: var(--rojo); }

.md-pasos { display: grid; gap: 0.55rem; margin: 0 0 1rem; padding: 0; list-style: none; counter-reset: md-p; }
.md-pasos li { position: relative; padding: 0.7rem 0.9rem 0.7rem 3.3rem; border-radius: 12px; background: var(--azul-claro); counter-increment: md-p; line-height: 1.5; }
.md-pasos li::before { content: counter(md-p); position: absolute; left: 0.7rem; top: 50%; display: grid; place-items: center; width: 1.9rem; height: 1.9rem; margin-top: -0.95rem; border-radius: 50%; background: var(--marino); color: var(--amarillo); font-family: var(--titulos); font-size: 1rem; font-weight: 900; }

.md-tabla { margin: 1rem 0 1.2rem; overflow-x: auto; border: 2px solid var(--marino); border-radius: 6px 16px 6px 16px; background: var(--blanco); -webkit-overflow-scrolling: touch; }
.md-tabla table { width: 100%; border-collapse: collapse; font-size: 0.97rem; }
.md-tabla--ancho table { min-width: 540px; }
.md-tabla thead th { padding: 0.8rem 1rem; background: var(--marino); color: var(--amarillo); font-family: var(--titulos); font-size: 0.85rem; font-weight: 800; letter-spacing: 0.06em; text-align: left; text-transform: uppercase; }
.md-tabla tbody th,
.md-tabla tbody td,
.md-tabla tfoot th,
.md-tabla tfoot td { padding: 0.7rem 1rem; text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.md-tabla tbody tr:nth-child(even) { background: var(--crema); }
.md-tabla tbody tr + tr > * { border-top: 1px solid var(--linea); }
.md-tabla tbody th { color: var(--marino); font-weight: 800; }
.md-tabla tbody tr:hover { background: var(--azul-claro); }
.md-tabla tfoot { background: var(--azul); }
.md-tabla tfoot th,
.md-tabla tfoot td { color: var(--blanco); font-weight: 800; }

.md-dudas { display: grid; gap: 0.7rem; }
.md-dudas__item { border: 2px solid var(--linea-fuerte); border-radius: 6px 16px 6px 16px; background: var(--crema); transition: border-color 0.2s ease, background 0.2s ease; }
.md-dudas__item[open] { border-color: var(--marino); background: var(--blanco); box-shadow: -6px 0 0 var(--amarillo); }
.md-dudas__item summary { display: flex; align-items: center; gap: 0.9rem; min-height: 62px; padding: 0.8rem 1rem; list-style: none; cursor: pointer; }
.md-dudas__item summary::-webkit-details-marker { display: none; }
.md-dudas__item summary::after { content: ""; flex-shrink: 0; width: 12px; height: 12px; margin: 0 0.4rem 0 auto; border-right: 3px solid var(--marino); border-bottom: 3px solid var(--marino); transform: rotate(45deg) translate(-2px, -2px); transition: transform 0.2s ease; }
.md-dudas__item[open] summary::after { transform: rotate(-135deg) translate(-2px, -2px); }
.md-dudas__n { flex-shrink: 0; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: var(--marino); color: var(--amarillo); font-family: var(--titulos); font-weight: 900; }
.md-dudas__q { color: var(--marino); font-family: var(--titulos); font-size: 1.08rem; font-weight: 800; line-height: 1.35; }
.md-dudas__r { margin: 0; padding: 0 1rem 1.1rem calc(1rem + 32px + 0.9rem); }

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

.md-pie { background: var(--marino); color: #c5d2f5; }
.md-pie__rej { display: grid; grid-template-columns: 1fr 1.5fr 1fr; gap: 2rem; align-items: start; padding: 2.8rem 0 1.6rem; }
.md-pie .md-marca { color: var(--blanco); }
.md-pie .md-marca__uno { background: var(--amarillo); color: var(--marino); box-shadow: 3px 3px 0 var(--rojo); }
.md-pie__edad { display: flex; align-items: center; gap: 0.6rem; margin: 1rem 0 0; font-size: 0.95rem; }
.md-pie__18 { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--rojo); color: var(--blanco); font-family: var(--titulos); font-size: 0.85rem; font-weight: 900; }
.md-pie__lista { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1.4rem; margin: 0; padding: 0; list-style: none; }
.md-pie__lista a { display: inline-flex; align-items: center; min-height: 40px; color: #c5d2f5; text-decoration: none; }
.md-pie__lista a:hover { color: var(--amarillo); }
.md-pie__ctas { display: grid; gap: 0.9rem; justify-items: start; }
.md-pie__copy { margin-top: 0; margin-bottom: 0; padding: 1rem 0 1.6rem; border-top: 1px solid rgba(255, 255, 255, 0.16); font-size: 0.88rem; }

.md-subir { position: fixed; left: 1rem; bottom: 1rem; z-index: 250; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: var(--crema); border: 2px solid var(--marino); color: var(--marino); font-size: 1.25rem; font-weight: 800; text-decoration: none; opacity: 0; visibility: hidden; transition: opacity 0.2s ease, visibility 0.2s; }
.md-subir.md-subir--ver { opacity: 1; visibility: visible; }

/* ---------- índice móvil ---------- */

.md-fab, .md-panel, .md-telon { display: none; }

@media (max-width: 1100px) {
  .md-menu { display: none; }
  .md-cabeza__cta { margin-left: auto; }

  .md-fab { position: fixed; right: 1rem; bottom: 1rem; z-index: 420; display: inline-flex; align-items: center; gap: 0.6rem; min-height: 54px; padding: 0 1.2rem 0 1rem; border: 0; border-radius: 999px; background: var(--marino); color: var(--blanco); font-family: var(--titulos); font-size: 0.95rem; font-weight: 800; cursor: pointer; box-shadow: 0 5px 0 #050f2e, 0 18px 28px -12px rgba(11, 29, 79, 0.8); }
  .md-fab__icono { display: grid; gap: 4px; width: 18px; }
  .md-fab__icono i { display: block; height: 3px; border-radius: 2px; background: var(--amarillo); }
  .md-fab__icono i:nth-child(2) { background: var(--blanco); width: 70%; }
  .md-fab__icono i:nth-child(3) { background: var(--rojo); width: 45%; }
  .md-fab[aria-expanded="true"] .md-fab__icono i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .md-fab[aria-expanded="true"] .md-fab__icono i:nth-child(2) { opacity: 0; }
  .md-fab[aria-expanded="true"] .md-fab__icono i:nth-child(3) { width: 100%; transform: translateY(-7px) rotate(-45deg); background: var(--amarillo); }
  .md-subir { bottom: 1rem; }

  .md-telon { position: fixed; inset: 0; z-index: 400; display: block; background: rgba(5, 15, 46, 0.6); }
  .md-telon[hidden] { display: none; }
  .md-panel { position: fixed; right: 1rem; bottom: 5.4rem; z-index: 410; display: block; width: min(92vw, 380px); max-height: min(74vh, 640px); overflow-y: auto; padding: 1.1rem 1.1rem 1.2rem; border: 2px solid var(--marino); border-radius: 22px 22px 6px 22px; background: var(--crema); box-shadow: 8px 8px 0 var(--amarillo), 0 30px 50px -20px rgba(0, 0, 0, 0.6); animation: md-sube 0.2s ease; }
  .md-panel[hidden] { display: none; }
  @keyframes md-sube { from { transform: translateY(14px); opacity: 0; } to { transform: none; opacity: 1; } }
  .md-panel__t { margin: 0 0 0.6rem; color: var(--rojo); font-family: var(--titulos); font-size: 0.8rem; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; }
  .md-panel__lista { display: grid; gap: 0.3rem; margin: 0; padding: 0; list-style: none; }
  .md-panel__a { display: flex; align-items: baseline; gap: 0.7rem; min-height: 46px; padding: 0.4rem 0.7rem; border-radius: 10px; color: var(--marino); font-family: var(--titulos); font-size: 1.05rem; font-weight: 700; text-decoration: none; }
  .md-panel__a i { color: var(--azul); font-size: 0.75rem; font-style: normal; font-weight: 800; }
  .md-panel__a:hover { background: var(--amarillo); }
  .md-panel__ctas { display: grid; gap: 0.6rem; margin-top: 1rem; }
}

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

@media (max-width: 900px) {
  .md-sala__rej { grid-template-columns: minmax(0, 1fr); }
  .md-pantalla { order: -1; max-width: 560px; margin-inline: auto; width: 100%; transform: none; box-shadow: 10px 10px 0 var(--amarillo), 0 24px 40px -24px rgba(0, 0, 0, 0.7); }
  .md-pie__rej { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  :root { --alto-cabeza: 62px; }
  body { font-size: 1.02rem; }
  .md-marca__pais { display: none; }
  .md-cabeza__cta { padding: 0.45rem 0.9rem; font-size: 0.82rem; }
  .md-sala__botones .md-boton,
  .md-llamado .md-boton { width: 100%; }
  .md-cifras { grid-template-columns: minmax(0, 1fr); }
  .md-capitulo__cab { grid-template-columns: minmax(0, 1fr); }
  .md-capitulo__num { grid-row: auto; font-size: 3.2rem; margin-bottom: 0.4rem; }
  .md-capitulo__cuerpo { padding: 1rem 0.9rem; border-radius: 6px 16px 16px 16px; }
  .md-dudas__r { padding-left: 1rem; }
  .md-pie__lista { grid-template-columns: minmax(0, 1fr); }
}