/* ///////////////// CRONOLOGÍA ///////////////// */
.timeline-scroll-zone {
position: relative;
width: 100%;
height: 100vh;
height: 100svh;
}
#cronologia {
position: relative;
width: 100%;
height: 100vh;
height: 100svh;
min-height: 0;
overflow: hidden;
color: var(--col-blanco);
background: var(--fondo-timeline);
}
#cronologia img {
pointer-events: none;
user-select: none;
-webkit-user-drag: none;
-webkit-user-select: none;
}
#cronologia .timeline-header {
position: absolute;
inset: 0;
z-index: 3;
width: 100%;
pointer-events: none;
}
#cronologia .timeline-header > div:first-child {
position: absolute;
top: calc(4rem + 3%);
left: 50%;
width: min(90vw, 44rem);
text-align: center;
transform: translateX(-50%);
}
.gorro {
display: inline-block;
margin-bottom: 20px;
padding: 6px 20px;
color: var(--col-negro);
background: var(--col-mostaza);
font-size: clamp(1.4rem, 3.5vw, 1.65rem);
line-height: 1.2;
}
#cronologia .timeline-intro {
display: none;
}
#cronologia .timeline-controls {
position: absolute;
inset: 0;
pointer-events: none;
}
#cronologia .timeline-button {
position: absolute;
top: 50%;
z-index: 30;
width: clamp(2.75rem, 5vw, 4rem);
height: clamp(2.75rem, 5vw, 4rem);
padding: 0;
border: 1px solid var(--negro-87);
border-radius: 50%;
color: var(--col-blanco);
background: var(--negro-47);
font-size: clamp(1.2rem, 2.5vw, 1.8rem);
line-height: 1;
cursor: pointer;
pointer-events: auto;
backdrop-filter: blur(8px);
transform: translateY(-50%);
transition: background .2s ease, transform .2s ease;
}
#cronologia #timelineAnterior {
left: clamp(.75rem, 2vw, 2rem);
}
#cronologia #timelineSiguiente {
right: clamp(.75rem, 2vw, 2rem);
}
#cronologia .timeline-button:hover,
#cronologia .timeline-button:focus-visible {
outline: none;
background: var(--timeline-rojo);
transform: translateY(-50%) scale(1.06);
}
#cronologia .timeline-viewport {
width: 100%;
height: 100%;
overflow-x: auto;
overflow-y: hidden;
overscroll-behavior-inline: contain;
scroll-behavior: smooth;
scroll-snap-type: x mandatory;
scrollbar-width: none;
cursor: grab;
touch-action: pan-y;
}
#cronologia .timeline-viewport::-webkit-scrollbar {
display: none;
}
#cronologia .timeline-viewport:focus-visible {
outline: 2px solid var(--timeline-rojo);
outline-offset: -2px;
}
#cronologia .timeline-viewport.dragging {
scroll-behavior: auto;
scroll-snap-type: none;
cursor: grabbing;
user-select: none;
}
#cronologia .timeline-track {
position: relative;
display: flex;
align-items: stretch;
width: max-content;
min-width: 0;
height: 100%;
margin: 0;
padding: 0;
gap: 0;
list-style: none;
}
#cronologia .timeline-track li {
position: relative;
display: flex;
flex: 0 0 100vw;
flex-direction: column;
align-items: center;
justify-content: flex-end;
width: 100vw;
height: 100%;
min-height: 0;
padding: 2rem max(4.5rem, 10vw) clamp(7.5rem, 17vh, 11rem);
overflow: hidden;
border: 0;
background: var(--fondo-timeline);
opacity: .12;
scroll-snap-align: start;
transition: opacity .45s ease;
}
#cronologia .timeline-track li::before {
content: "";
position: absolute;
inset: -2.5rem;
z-index: 0;
background-color: var(--fondo-timeline);
background-image: var(--timeline-fondo, none);
background-position: center;
background-size: cover;
opacity: .88;
filter: blur(28px) brightness(.38) saturate(.8);
transform: scale(1.08);
pointer-events: none;
}
#cronologia .timeline-track li::after {
content: "";
position: absolute;
inset: 0;
z-index: 2;
background: linear-gradient(180deg, var(--negro-66) 0%, var(--negro-14) 38%, var(--negro-e6) 100%);
pointer-events: none;
}
#cronologia .timeline-track li.activo {
opacity: 1;
}
#cronologia .timeline-track h3,
#cronologia .timeline-track p {
position: relative;
z-index: 3;
width: min(100%, 52rem);
margin-right: auto;
margin-left: auto;
color: var(--col-blanco);
text-align: center;
text-shadow: 0 2px 15px var(--negro-bf);
}
#cronologia .timeline-track h3 {
margin-bottom: 0;
padding: 0 0 .75rem;
font-size: clamp(1.7rem, 3.2vw, 2rem);
line-height: 1;
}
#cronologia .timeline-track p {
margin-bottom: 0;
padding: 0;
color: var(--blanco-e6);
font-family: var(--font-san-serif);
font-size: clamp(.9rem, 1.5vw, 1.1rem);
line-height: 1.55;
text-wrap: balance;
}
#cronologia .timeline-track img {
position: absolute;
top: 0;
left: 50%;
z-index: 1;
display: block;
width: auto;
max-width: none;
height: 100%;
object-fit: cover;
filter: saturate(.92) contrast(1.03) drop-shadow(0 0 2rem var(--negro-4c));
-webkit-mask-image: linear-gradient(to right, transparent 0%, var(--negro-59) 4%, var(--col-negro) 12%, var(--col-negro) 88%, var(--negro-59) 96%, transparent 100%);
mask-image: linear-gradient(to right, transparent 0%, var(--negro-59) 4%, var(--col-negro) 12%, var(--col-negro) 88%, var(--negro-59) 96%, transparent 100%);
-webkit-mask-repeat: no-repeat;
mask-repeat: no-repeat;
-webkit-mask-size: 100% 100%;
mask-size: 100% 100%;
transform: translateX(-50%);
}
#cronologia .timeline-pagination {
position: absolute;
bottom: clamp(2.1rem, 5vh, 3.5rem);
left: 50%;
z-index: 3;
display: flex;
gap: .55rem;
transform: translateX(-50%);
}
#cronologia .timeline-page {
position: relative;
width: clamp(3.6rem, 7vw, 5.5rem);
min-width: 0;
height: clamp(2.8rem, 5vw, 3.8rem);
padding: 0;
overflow: hidden;
border: 1px solid transparent;
border-radius: .55rem;
color: var(--blanco-99);
background: transparent;
font: 700 .72rem/1 var(--font-san-serif);
cursor: pointer;
transition: color .25s ease, background .25s ease, opacity .25s ease;
}
#cronologia .timeline-page img {
position: absolute;
inset: 0;
display: block;
width: 100%;
height: 100%;
object-fit: cover;
filter: brightness(.55) saturate(.75);
transition: filter .25s ease, transform .25s ease;
}
#cronologia .timeline-page span {
position: absolute;
inset: auto 0 0;
z-index: 1;
padding: .75rem .2rem .3rem;
color: var(--col-blanco);
background: linear-gradient(transparent, var(--negro-e6));
font-size: .72rem;
line-height: 1;
text-shadow: 0 1px 3px var(--col-negro);
}
#cronologia .timeline-page:hover,
#cronologia .timeline-page:focus-visible,
#cronologia .timeline-page.activo {
color: var(--col-blanco);
background: var(--timeline-rojo);
outline: none;
}
#cronologia .timeline-page:not(.activo) {
opacity: .55;
}
#cronologia .timeline-page:hover img,
#cronologia .timeline-page:focus-visible img,
#cronologia .timeline-page.activo img {
filter: brightness(.9) saturate(1);
transform: scale(1.06);
}
#cronologia .timeline-progress {
position: absolute;
right: 0;
bottom: 0;
left: 0;
z-index: 3;
width: 100%;
height: 4px;
overflow: hidden;
background: var(--blanco-2e);
}
#cronologia .timeline-progress span {
display: block;
width: 100%;
height: 100%;
background: var(--timeline-rojo);
transform: scaleX(0);
transform-origin: left center;
transition: transform .1s linear;
}
section#paso {
  border-top: 10px solid var(--col-dorado);
}

/* ---- Adaptaciones por pantalla y movimiento ---- */
@media (max-width:720px),(pointer:coarse) {
.timeline-scroll-zone,
#cronologia {
  height: 100vh;
  height: 100svh;
}
#cronologia .timeline-viewport {
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x pan-y;
  overscroll-behavior-x: contain;
  overscroll-behavior-y: auto;
}
#cronologia .timeline-track li {
  padding: 7rem 0;
}
#cronologia .timeline-track p {
  display: -webkit-box;
  overflow: hidden;
  padding-inline: 1rem;
  font-size: clamp(1rem, 1.9vw, 1.2rem);
  line-height: clamp(1.2rem, 1rem + .1vw, 1.4rem);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}
#cronologia .timeline-button {
  width: 2.65rem;
  height: 2.65rem;
}
#cronologia .timeline-page {
  width: 17vw;
  height: 2.75rem;
  font-size: .65rem;
}
#cronologia .timeline-pagination {
  gap: .3rem;
}
}
@media (prefers-reduced-motion:reduce) {
#cronologia .timeline-viewport {
  scroll-behavior: auto;
}
#cronologia .timeline-track li,
#cronologia .timeline-button,
#cronologia .timeline-page,
#cronologia .timeline-page img {
  transition: none;
}
}