:root {
  --ink: #12324a;
  --ink-soft: #36566b;
  --blue: #2f6f83;
  --blue-deep: #123e59;
  --green: #557c63;
  --green-bright: #7e9f68;
  --moss: #9fb384;
  --paper: #f6f4ed;
  --paper-cool: #edf2ee;
  --line: rgba(26, 69, 78, .18);
  --white: #fffef9;
  --shadow: 0 22px 60px rgba(21, 54, 67, .13);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.65; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }
img { display: block; }
.wrap { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 14px; color: white; background: var(--blue-deep); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.eyebrow { margin: 0 0 10px; color: var(--green); font-size: .73rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }

.timeline-hero { position: relative; color: #f9fbf7; overflow: hidden; background: linear-gradient(135deg, #0f364e 0%, #285d6e 48%, #567760 100%); }
.timeline-hero::before, .timeline-hero::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; filter: blur(2px); }
.timeline-hero::before { width: 620px; height: 620px; right: -220px; top: -340px; background: radial-gradient(circle, rgba(183, 207, 169, .22), rgba(183, 207, 169, 0) 67%); }
.timeline-hero::after { width: 420px; height: 420px; left: -160px; bottom: -290px; background: radial-gradient(circle, rgba(127, 178, 190, .25), transparent 68%); }
.topbar { position: relative; z-index: 2; min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-bottom: 1px solid rgba(255,255,255,.2); }
.brand { display: grid; text-decoration: none; line-height: .86; letter-spacing: .08em; }
.brand strong { font-size: .72rem; }
.brand small { font: 600 2.15rem/1 var(--serif); letter-spacing: .03em; }
.top-links { display: flex; flex-wrap: wrap; gap: 28px; }
.top-links a { position: relative; color: rgba(255,255,255,.88); text-decoration: none; font-size: .88rem; }
.top-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -5px; height: 1px; background: var(--moss); transition: right .25s ease; }
.top-links a:hover::after, .top-links a:focus-visible::after { right: 0; }

.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 850px); align-items: center; padding-block: clamp(60px, 9vw, 116px); }
.hero-copy .eyebrow { color: #c7d8b3; }
.hero-copy h1 { margin: 0; font: 400 clamp(3.7rem, 8vw, 7.4rem)/.92 var(--serif); letter-spacing: -.05em; }
.hero-subtitle { max-width: 670px; margin: 24px 0 0; color: #dce9df; font: italic 400 clamp(1.3rem, 2.8vw, 2rem)/1.35 var(--serif); }
.hero-intro { max-width: 640px; margin: 20px 0 0; color: rgba(255,255,255,.76); }
.hero-facts { display: flex; gap: 10px; margin: 40px 0 0; }
.hero-facts div { min-width: 126px; padding: 15px 18px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.07); backdrop-filter: blur(5px); }
.hero-facts dt { font: 600 1.45rem/1 var(--serif); }
.hero-facts dd { margin: 5px 0 0; color: rgba(255,255,255,.65); font-size: .72rem; line-height: 1.25; }
.hero-artifact { margin: 0; }
.hero-image-mat { position: relative; min-height: 370px; display: grid; place-items: center; padding: 32px; border: 1px solid rgba(255,255,255,.22); border-radius:16px; background: linear-gradient(145deg, rgba(245,246,232,.15), rgba(10,39,50,.27)); box-shadow: 0 28px 70px rgba(8,29,38,.29); }
.hero-image-mat::after { content: ""; position: absolute; inset: 15px; border: 1px solid rgba(199,216,179,.28); border-radius: inherit; }
.hero-image-mat img { position: relative; z-index: 1; width: auto; max-width: 100%; height: auto; max-height: 300px; border-radius:8px; box-shadow: 0 14px 35px rgba(7,23,31,.3); }
.hero-artifact figcaption { display: grid; gap: 3px; margin: 15px 18px 0; }
.hero-artifact figcaption span { font: 600 .88rem var(--serif); }
.hero-artifact figcaption small { color: rgba(255,255,255,.62); }

.project-nav { position: relative; z-index: 2; border-top: 1px solid rgba(255,255,255,.16); background: rgba(8, 35, 49, .33); }
.project-nav .wrap { display: flex; overflow-x: auto; scrollbar-width: thin; }
.project-nav a { flex: 0 0 auto; padding: 17px 20px; color: rgba(255,255,255,.72); text-decoration: none; font-size: .78rem; white-space: nowrap; border-bottom: 3px solid transparent; }
.project-nav a:hover, .project-nav a:focus-visible, .project-nav .active { color: white; border-bottom-color: #a9c181; background: rgba(255,255,255,.05); }

.introduction { padding-block: clamp(58px, 8vw, 92px); }
.introduction h2, .archive-note h2 { margin: 0 0 25px; font: 400 clamp(2.2rem, 4vw, 3.75rem)/1.08 var(--serif); letter-spacing: -.035em; }
.introduction > div > p:not(.eyebrow) { max-width: 670px; color: var(--ink-soft); }
.method-preview { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); padding: clamp(28px, 5vw, 54px); border: 1px solid var(--line); border-left: 7px solid var(--green); border-radius: 20px; background: linear-gradient(135deg, #f5f7ef, var(--paper-cool)); box-shadow: 0 16px 42px rgba(27,63,67,.08); }
.method-preview > .method-symbol { width: 108px; height: 108px; display: grid; align-content: center; justify-items: center; color: #f9fbf3; background: linear-gradient(145deg, var(--green), var(--blue)); border-radius: 50%; font: 600 1.8rem var(--serif); box-shadow: inset 0 0 0 9px rgba(255,255,255,.12), 0 12px 28px rgba(25,62,68,.18); }
.method-symbol small { margin-top: 4px; font: 700 .62rem var(--sans); letter-spacing: .04em; }
.method-preview .eyebrow { margin-bottom: 6px; }
.method-preview h2 { margin: 0 0 8px; font: 600 clamp(1.5rem, 3vw, 2.25rem)/1.1 var(--serif); }
.method-preview p { margin: 0; color: var(--ink-soft); font-size: .9rem; }
.ap-scale { display: grid; grid-template-columns: auto minmax(100px, 1fr) auto; align-items: center; gap: 14px; margin: 24px 0 15px; }
.ap-scale span { display: grid; line-height: 1.2; }
.ap-scale span:last-child { text-align: right; }
.ap-scale b { font: 700 .78rem var(--serif); }
.ap-scale small { color: #6b7d80; font-size: .63rem; }
.ap-scale i { position: relative; height: 2px; background: linear-gradient(90deg, var(--green), var(--blue)); }
.ap-scale i::before { content: ""; position: absolute; left: -1px; top: -4px; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-right: 8px solid var(--green); }
.ap-scale i::after { content: ""; position: absolute; right: -1px; top: -4px; width: 2px; height: 10px; background: var(--blue); }
.date-legend { display: flex; flex-wrap: wrap; gap: 9px; }
.date-legend span { display: grid; min-width: 128px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 9px; background: rgba(255,255,255,.68); }
.date-legend b { color: var(--blue-deep); font: 700 .8rem var(--serif); }
.date-legend small { color: #6b7d80; font-size: .62rem; }
.text-button { margin-top: 14px; padding: 0 0 3px; color: var(--blue-deep); background: none; border: 0; border-bottom: 1px solid currentColor; cursor: pointer; font-size: .82rem; font-weight: 700; }
.method-detail { grid-column: 1 / -1; padding-top: 23px; border-top: 1px solid var(--line); }
.method-detail p { margin: 0 0 12px; }

.timeline-section { padding-block: clamp(70px, 9vw, 115px); background: linear-gradient(180deg, #e9efeb 0%, #f4f1e8 100%); border-block: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 38px; }
.section-heading h2 { margin: 0; font: 400 clamp(2.25rem, 4vw, 4.2rem)/1 var(--serif); letter-spacing: -.04em; }
.section-heading > p { margin: 0; color: var(--green); font: 500 1.35rem var(--serif); white-space: nowrap; }
.timeline-layout { display: grid; grid-template-columns: 282px minmax(0, 1fr); gap: 26px; align-items: start; }
.timeline-layout.has-wide-chart { grid-template-columns: minmax(0, 1fr); }
.chronology { max-height: min(780px, calc(100vh - 50px)); overflow-y: auto; padding: 13px 10px 13px 0; scrollbar-color: var(--moss) transparent; }
.chronology ol { position: relative; list-style: none; margin: 0; padding: 0; }
.chronology ol::before { content: ""; position: absolute; top: 27px; bottom: 27px; left: 16px; width: 1px; background: linear-gradient(var(--blue), var(--green)); opacity: .32; }
.timeline-choice { position: relative; width: 100%; display: grid; grid-template-columns: 33px 1fr; gap: 13px; align-items: center; padding: 10px 5px; color: var(--ink-soft); text-align: left; background: none; border: 0; cursor: pointer; }
.timeline-choice::before { content: ""; z-index: 1; width: 11px; height: 11px; margin-left: 11px; border: 2px solid var(--green); border-radius: 50%; background: var(--paper-cool); transition: .25s ease; }
.timeline-choice span { display: grid; line-height: 1.2; }
.timeline-choice b { color: var(--ink); font: 600 calc(.87rem + 2pt) var(--serif); }
.timeline-choice small { margin-top: 4px; color: #6b7d80; font-size: calc(.68rem + 1pt); }
.timeline-choice:hover::before, .timeline-choice:focus-visible::before { transform: scale(1.25); background: var(--moss); }
.timeline-choice[aria-current="true"] { color: var(--ink); }
.timeline-choice[aria-current="true"]::before { width: 17px; height: 17px; margin-left: 8px; border-color: white; background: var(--green); box-shadow: 0 0 0 4px rgba(85,124,99,.2); }
.timeline-choice[aria-current="true"] span { padding: 9px 11px; border-radius: 9px; background: rgba(255,255,255,.7); }
.timeline-layout.has-wide-chart .chronology { max-height: none; overflow-x: auto; overflow-y: hidden; padding: 0 0 13px; }
.timeline-layout.has-wide-chart .chronology ol { display: flex; width: max-content; }
.timeline-layout.has-wide-chart .chronology ol::before { top: 17px; bottom: auto; left: 20px; right: 20px; width: auto; height: 1px; }
.timeline-layout.has-wide-chart .timeline-choice { width: 150px; grid-template-columns: 1fr; justify-items: center; padding: 0 7px; text-align: center; }
.timeline-layout.has-wide-chart .timeline-choice::before { margin: 10px 0 7px; }
.timeline-layout.has-wide-chart .timeline-choice[aria-current="true"]::before { margin: 7px 0 4px; }

.event-panel { min-width: 0; padding: clamp(26px, 4vw, 54px); border: 1px solid rgba(36,77,82,.16); border-radius: 25px; background: rgba(255,254,249,.93); box-shadow: var(--shadow); outline: none; }
.event-panel.is-changing { animation: reveal .38s ease both; }
@keyframes reveal { from { opacity: .35; transform: translateY(7px); } to { opacity: 1; transform: none; } }
.event-header { max-width: 850px; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.event-index { margin: 0 0 18px; color: var(--green); font-size: calc(.7rem + 2pt); font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.event-status { display: inline-flex; margin: 0 0 14px; padding: 6px 10px; color: #355b43; background: #e3ecdf; border: 1px solid rgba(85,124,99,.28); border-radius: 999px; font-size: .65rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.event-status[data-tone="provisional"] { color: #78561e; background: #f6ead0; border-color: rgba(161,112,30,.3); }
.event-status[data-tone="pending"] { color: #6e5264; background: #efe5eb; border-color: rgba(126,83,108,.25); }
.event-date { margin: 0 0 7px; color: var(--blue); font-size: calc(.88rem + 2pt); font-weight: 700; }
.event-header h2 { margin: 0; font: 400 clamp(2rem, 4vw, 3.5rem)/1.05 var(--serif); letter-spacing: -.04em; }
.event-grid { display: grid; grid-template-columns: minmax(300px, .85fr) minmax(0, 1.15fr); gap: clamp(34px, 5vw, 66px); align-items: start; padding-top: 38px; }
.event-panel.has-sequence-chart .event-grid { grid-template-columns: minmax(0, 1fr); }
.event-panel.has-sequence-chart .event-copy { max-width: none; }
.event-panel.has-sequence-chart .event-copy > p { max-width: 900px; }
.event-panel.has-wide-visual .event-grid { grid-template-columns: minmax(0, 1fr); }
.event-panel.has-wide-visual .event-copy { max-width: 900px; }
.event-panel.has-wide-visual .event-figure { max-width: none; }
.event-panel.has-wide-visual .image-stage { min-height: 0; padding: 6px; border-radius: 12px; background: #e8ece5; }
.event-panel.has-wide-visual .image-stage::before { border-radius: 14px; }
.event-panel.has-wide-visual .image-stage img { width: 100%; max-height: 760px; object-fit: contain; box-shadow: 0 16px 38px rgba(24,51,53,.16); }
.event-panel.has-readable-map .image-stage { min-height: 0; }
.event-panel.has-readable-map .image-stage img { max-height: 72svh; }
.event-figure { min-width: 0; margin: 0; }
.image-stage { position: relative; width: 100%; min-height: 0; display: grid; place-items: center; gap: 6px; padding: 6px; overflow: hidden; cursor: zoom-in; border: 1px solid rgba(36,77,82,.15); border-radius: 12px; background: #e8ece5; }
.image-stage::before { content: none; }
.image-stage img { position: relative; width: 100%; max-width: 100%; height: auto; max-height: min(560px, 72svh); object-fit: contain; border-radius: 6px; box-shadow: 0 3px 10px rgba(24,51,53,.10); }
.image-stage > span { justify-self: end; padding: 5px 10px; color: white; background: #204b54; border-radius: 16px; font-size: .68rem; }
.image-status { padding: 1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--paper-cool); color: var(--ink); }
.image-retry { padding: .65rem 1rem; border: 1px solid var(--blue-deep); border-radius: 8px; background: var(--blue-deep); color: var(--white); cursor: pointer; }
.empty-visual { min-height: 378px; display: grid; place-items: center; padding: 42px; color: var(--ink-soft); text-align: center; border: 1px solid rgba(36,77,82,.15); border-radius:16px; background: radial-gradient(circle at 50% 42%, rgba(255,255,255,.82), transparent 58%), linear-gradient(145deg, #dbe5dc, #cbd8d4); font: italic 1rem/1.65 var(--serif); }
.sequence-chart { width: 100%; }
.sequence-chart h3 { margin: 0 0 7px; color: var(--ink); font: 500 clamp(1.35rem, 2.5vw, 2rem)/1.15 var(--serif); }
.sequence-chart-description { max-width: 850px; margin: 0 0 18px; color: var(--ink-soft); font-size: .82rem; }
.sequence-chart-scroller { position: relative; width: 100%; overflow: hidden; cursor: zoom-in; background: #f8f7f0; border-radius: 12px; }
.sequence-chart-canvas { position: absolute; top: 0; width: 1360px; padding: 30px 45px 225px 90px; transform-origin: top left; background: #f8f7f0; }
.chart-enlarge { min-height: 44px; margin: 0 0 16px; padding: 10px 18px; border: 1px solid #275868; border-radius: 9px; background: var(--blue-deep); color: white; font: 600 .84rem var(--sans); cursor: pointer; }
.chart-enlarge:hover { background: #275868; }
.chart-enlarge:focus-visible, .visual-toolbar button:focus-visible { outline: 3px solid #b58b41; outline-offset: 3px; }
.sequence-chart-plot { position: relative; width: 100%; min-width: 1180px; height: 650px; margin: 0; border-left: 1px solid rgba(26,69,78,.42); border-bottom: 1px solid rgba(26,69,78,.42); background: linear-gradient(to top, rgba(85,124,99,.035), rgba(47,111,131,.025)); }
.sequence-gridline { position: absolute; z-index: 1; left: 0; right: 0; bottom: var(--y); height: 1px; background: rgba(26,69,78,.15); }
.sequence-gridline b { position: absolute; right: calc(100% + 8px); top: 0; color: #61767c; font: 500 .69rem var(--sans); transform: translateY(-50%); }
.sequence-focus-range { position: absolute; z-index: 0; left: 0; right: 0; bottom: var(--bottom); height: var(--height); min-height: 4px; background: rgba(184,138,61,.105); border-block: 1px solid rgba(184,138,61,.33); }
.sequence-focus-range b { position: absolute; top: 7px; left: 10px; padding: 4px 7px; color: #76551f; background: rgba(255,250,236,.9); border-radius: 5px; font-size: .61rem; letter-spacing: .04em; }
.sequence-group { position: absolute; z-index: 0; top: 0; bottom: 0; left: var(--start); width: var(--width); padding: 8px 10px; color: var(--ink); border-right: 1px solid rgba(26,69,78,.12); font-size: .69rem; font-weight: 800; letter-spacing: .07em; text-align: center; text-transform: uppercase; }
.sequence-group.sequence-series-morena { background: rgba(47,111,131,.055); }
.sequence-group.sequence-series-sipah { background: rgba(184,138,61,.07); }
.sequence-group.sequence-series-piedras { background: rgba(85,124,99,.06); }
.sequence-mark { position: absolute; z-index: 3; left: var(--x); bottom: var(--y); width: 64px; margin: 0; color: var(--ink); text-align: center; transform: translate(-50%, 50%); }
.sequence-mark > b { display: block; width: max-content; max-width: 92px; margin: 3px auto 0; padding: 2px 4px; color: var(--ink); background: rgba(255,254,249,.9); border-radius: 4px; font-size: .62rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.sequence-mark.is-date-above > b { position: absolute; left: 50%; bottom: calc(100% + 5px); margin: 0; transform: translateX(-50%); }
.sequence-mark figcaption { position: absolute; z-index: 5; left: 50%; bottom: calc(100% + 8px); width: 190px; padding: 8px 9px; color: white; background: var(--blue-deep); border-radius: 7px; font-size: .67rem; line-height: 1.4; opacity: 0; pointer-events: none; transform: translate(-50%, 5px); transition: opacity .16s ease, transform .16s ease; }
.sequence-mark.is-date-above figcaption { bottom: calc(100% + 31px); }
.sequence-mark:hover figcaption, .sequence-mark:focus-visible figcaption { opacity: 1; transform: translate(-50%, 0); }
.sequence-mark:focus-visible { outline: 2px solid var(--blue); outline-offset: 6px; border-radius: 5px; }
.sequence-pictogram { position: relative; width: 42px; height: 42px; display: grid; place-items: center; margin: auto; border: 3px solid var(--white); background: #e8ede5; box-shadow: 0 0 0 2px var(--green), 0 5px 14px rgba(21,54,67,.16); overflow: hidden; }
.sequence-pictogram svg { width: 25px; height: 25px; color: #214a50; }
.sequence-series-morena .sequence-pictogram { border-radius: 50%; background: #e4eef0; box-shadow: 0 0 0 2px var(--blue), 0 5px 14px rgba(21,54,67,.16); }
.sequence-series-sipah .sequence-pictogram { border-radius: 5px; background: #f5ead2; box-shadow: 0 0 0 2px #b28132, 0 5px 14px rgba(21,54,67,.16); clip-path: polygon(50% 0,100% 50%,50% 100%,0 50%); }
.sequence-series-piedras .sequence-pictogram { border-radius: 7px; background: #e3ece0; box-shadow: 0 0 0 2px var(--green), 0 5px 14px rgba(21,54,67,.16); }
.sequence-errorbar { position: absolute; z-index: 2; left: var(--x); bottom: var(--bottom); width: 2px; height: max(var(--height), 5px); min-height: 5px; background: var(--green); transform: translateX(-50%); opacity: .82; }
.sequence-errorbar::before,.sequence-errorbar::after { content: ""; position: absolute; left: 50%; width: 10px; height: 2px; background: inherit; transform: translateX(-50%); }
.sequence-errorbar::before { top: 0; }.sequence-errorbar::after { bottom: 0; }
.sequence-errorbar.sequence-series-morena { background: var(--blue); }
.sequence-errorbar.sequence-series-sipah { background: #b28132; }
.sequence-icon-lithic::before { content: ""; position: absolute; inset: 7px 9px; background: #7a8175; clip-path: polygon(48% 0, 96% 35%, 70% 100%, 20% 84%, 0 38%); transform: rotate(12deg); }
.sequence-icon-plant::before { content: ""; position: absolute; left: 7px; right: 7px; bottom: 7px; height: 14px; border-radius: 50%; background: #958a70; }
.sequence-icon-plant::after { content: ""; position: absolute; left: 20px; top: 7px; width: 2px; height: 22px; background: #557c63; box-shadow: -5px 5px 0 -1px #7e9f68, 5px 9px 0 -1px #7e9f68; transform: rotate(-8deg); }
.sequence-icon-vessel::before { content: ""; position: absolute; left: 10px; top: 10px; width: 18px; height: 23px; border-radius: 3px 3px 9px 9px; background: #9b6d4b; box-shadow: inset 0 4px 0 #c39770; }
.sequence-icon-burial::before { content: ""; position: absolute; inset: 8px 5px 6px; border-bottom: 9px solid #8c745a; background: linear-gradient(165deg, transparent 48%, #b79b76 49% 58%, transparent 59%); }
.sequence-icon-burial::after { content: ""; position: absolute; left: 16px; bottom: 7px; width: 10px; height: 12px; border-radius: 2px 2px 6px 6px; background: #9b6d4b; }
.sequence-icon-dwelling::before { content: ""; position: absolute; inset: 8px; border: 2px dashed #6d806e; border-radius: 50%; background: radial-gradient(circle at 50% 12%, #536659 0 2px, transparent 3px), radial-gradient(circle at 12% 58%, #536659 0 2px, transparent 3px), radial-gradient(circle at 88% 58%, #536659 0 2px, transparent 3px), radial-gradient(circle at 50% 88%, #536659 0 2px, transparent 3px); }
.sequence-icon-channel::before { content: ""; position: absolute; left: 5px; top: 17px; width: 32px; height: 9px; border-bottom: 4px solid #4f8799; border-radius: 50%; transform: rotate(-15deg); }
.sequence-icon-sherds::before { content: ""; position: absolute; left: 11px; top: 9px; width: 11px; height: 13px; background: #a67651; clip-path: polygon(0 0, 100% 18%, 82% 100%, 15% 82%); box-shadow: 10px 10px 0 #876248, -3px 14px 0 #b68762; }
.sequence-icon-stratigraphy::before { content: ""; position: absolute; left: 7px; top: 8px; width: 28px; height: 25px; border-radius: 4px; background: linear-gradient(to bottom, #718b70 0 24%, #a68c66 24% 48%, #8d7458 48% 72%, #657274 72%); box-shadow: inset 0 0 0 1px rgba(39,57,52,.25); }
.sequence-pictogram::before,.sequence-pictogram::after { content: none !important; }
.sequence-x-label { position: absolute; z-index: 3; left: var(--x); bottom: -104px; width: 108px; color: var(--ink-soft); font-size: .66rem; line-height: 1.15; text-align: right; transform: translateX(-100%) rotate(-58deg); transform-origin: right top; }
.sequence-axis-title { position: absolute; color: var(--ink); font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.sequence-axis-y { left: -68px; top: 50%; transform: rotate(-90deg) translateX(-50%); transform-origin: left top; }
.sequence-axis-x { left: 50%; bottom: -194px; width: max-content; max-width: 80%; text-align: center; transform: translateX(-50%); }
.sequence-chart-legend { display: flex; flex-wrap: wrap; gap: 14px 24px; margin: 14px 0 0 76px; color: var(--ink-soft); font-size: .72rem; }
.sequence-key { position: relative; padding-left: 17px; }
.sequence-key::before { content: ""; position: absolute; left: 0; top: .35em; width: 9px; height: 9px; border-radius: 50%; background: var(--green); }
.sequence-key.sequence-series-morena::before { background: var(--blue); }
.sequence-key.sequence-series-sipah::before { background: #b28132; border-radius: 1px; transform: rotate(45deg); }
.sequence-key.sequence-series-piedras::before { border-radius: 2px; }
.sequence-icon-legend { flex: 1 0 100%; display: flex; flex-wrap: wrap; gap: 9px 18px; padding-top: 13px; border-top: 1px solid var(--line); }
.sequence-icon-legend span { display: inline-flex; align-items: center; gap: 6px; }
.sequence-icon-legend i { width: 25px; height: 25px; display: grid; place-items: center; color: #214a50; border: 1px solid var(--line); border-radius: 50%; background: #eef2eb; }
.sequence-icon-legend svg { width: 17px; height: 17px; }
.sequence-uncertainty-key { position: relative; padding-left: 16px; }
.sequence-uncertainty-key::before { content: ""; position: absolute; left: 5px; top: .15em; width: 2px; height: 1em; background: var(--ink-soft); box-shadow: -4px 0 0 -1px transparent; }
.sequence-uncertainty-key::after { content: ""; position: absolute; left: 1px; top: .15em; width: 10px; height: 1px; background: var(--ink-soft); box-shadow: 0 .95em 0 var(--ink-soft); }

@media (max-width: 800px) {
  .sequence-chart-plot { min-width: 1180px; }
}
.image-switcher { display: flex; gap: 8px; margin-top: 10px; }
.image-switcher:empty { display: none; }
.image-switcher button { flex: 1; height: 52px; padding: 4px; cursor: pointer; background: var(--paper-cool); border: 1px solid var(--line); border-radius: 8px; }
.image-switcher button[aria-current="true"] { border-color: var(--green); box-shadow: 0 0 0 2px rgba(85,124,99,.15); }
.image-switcher img { width: auto; max-width: 100%; height: 100%; margin: auto; object-fit: contain; }
.image-switcher button.has-image-name { height: auto; min-width: 0; display: grid; justify-items: center; align-content: start; gap: 6px; padding: 6px; }
.image-switcher button.has-image-name img { height: 46px; }
.image-name { color: var(--ink); font: 600 .7rem/1.3 var(--sans); }
.event-figure figcaption { margin-top: 17px; color: #66797c; font-size: .72rem; line-height: 1.48; }
.event-figure figcaption strong { display: block; margin-bottom: 6px; color: var(--ink); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.event-figure figcaption p { margin: 0 0 7px; }
.event-panel.has-process-caption .event-figure figcaption { color: var(--ink); font-size: 1rem; line-height: 1.65; }
.process-caption { margin: 1rem 0 1.4rem; padding: clamp(16px, 3vw, 28px); background: var(--paper-cool); border: 1px solid var(--line); border-radius: 12px; }
.process-caption h3 { margin: 0 0 .65rem; font: 600 1.35rem var(--serif); color: var(--blue-deep); }
.process-caption ol { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: .9rem 2.4rem; margin: 1.2rem 0; padding-left: 1.6rem; }
.process-caption li { padding-left: .3rem; }
.process-caption li::marker { color: var(--blue-deep); font-weight: 700; }
.process-caption-note { border-top: 1px solid var(--line); padding-top: 1rem; }
.event-copy p { margin: 0 0 1.1em; color: var(--ink-soft); font-size: .95rem; }
.event-copy p:first-child::first-letter { float: left; margin: .08em .1em 0 0; color: var(--green); font: 500 3.45rem/.75 var(--serif); }
.event-copy .milestone { margin: 1.6em 0 .35em; color: var(--blue-deep); font: 700 1.06rem var(--serif); }
.event-copy .source { margin-top: 2em; padding-top: 1em; border-top: 1px solid var(--line); font-size: .77rem; }
.evidence-details { margin: 1.5rem 0; border: 1px solid var(--line); border-radius: 12px; background: rgba(237,242,238,.64); overflow: hidden; }
.evidence-details summary { position: relative; padding: 15px 48px 15px 17px; color: var(--blue-deep); cursor: pointer; font-weight: 800; list-style: none; }
.evidence-details summary::-webkit-details-marker { display: none; }
.evidence-details summary::after { content: "+"; position: absolute; top: 50%; right: 17px; width: 24px; height: 24px; display: grid; place-items: center; color: var(--green); border: 1px solid var(--line); border-radius: 50%; transform: translateY(-50%); }
.evidence-details[open] summary::after { content: "−"; }
.evidence-detail-content { padding: 0 17px 17px; border-top: 1px solid var(--line); }
.evidence-detail-content > p:first-child { margin-top: 15px; }
.evidence-table-wrap { margin-top: 15px; overflow-x: auto; border: 1px solid var(--line); border-radius: 9px; background: var(--white); }
.evidence-table-wrap table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: .72rem; line-height: 1.45; }
.evidence-table-wrap th, .evidence-table-wrap td { padding: 10px 11px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.evidence-table-wrap th { color: var(--ink); background: #e7eee7; font-size: .66rem; letter-spacing: .06em; text-transform: uppercase; }
.evidence-table-wrap tr:last-child td { border-bottom: 0; }
.event-copy .evidence-note { margin: 13px 0 0; padding: 11px 12px; color: #5c6261; background: #f7f1df; border-left: 3px solid #b88a3d; font-size: .78rem; }
.citations { position: relative; display: inline-flex; gap: .12em; margin-left: .22em; vertical-align: super; font-size: .67em; line-height: 1; }
.citations a { position: relative; color: var(--blue); font-weight: 800; text-decoration: none; }
.citations a::after { content: attr(data-reference); position: absolute; z-index: 20; left: 50%; bottom: calc(100% + 12px); width: min(360px, 78vw); padding: 12px 14px; color: white; text-align: left; background: #123e59; border-radius: 9px; box-shadow: 0 12px 35px rgba(6,29,39,.3); font: 500 .72rem/1.45 var(--sans); opacity: 0; pointer-events: none; transform: translate(-50%, 5px); transition: opacity .18s ease, transform .18s ease; }
.citations a:hover::after, .citations a:focus-visible::after { opacity: 1; transform: translate(-50%, 0); }
.event-actions { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line); }
.nav-button { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; padding: 8px 0; color: var(--ink); background: none; border: 0; cursor: pointer; text-align: left; }
.nav-button.next { text-align: right; }
.nav-button span { color: var(--green); font-size: 1.35rem; }
.nav-button small, .nav-button strong { grid-column: 2; }
.nav-button small { color: #768587; font-size: .64rem; text-transform: uppercase; letter-spacing: .1em; }
.nav-button strong { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: 600 .8rem var(--serif); }
.event-link { color: var(--blue); font-size: .72rem; font-weight: 700; text-underline-offset: 4px; }
.noscript { padding: 20px; background: #fff5d8; border: 1px solid #e6c978; }

.references-section { padding-block: clamp(75px, 9vw, 115px); border-bottom: 1px solid var(--line); }
.references-section > header { max-width: 760px; }
.references-section h2 { margin: 0 0 18px; font: 400 clamp(2.2rem, 4vw, 3.75rem)/1.08 var(--serif); letter-spacing: -.035em; }
.references-section > p { max-width: 720px; color: var(--ink-soft); }
.references-section ol { columns: 2 430px; column-gap: 58px; margin: 40px 0 0; padding-left: 1.6rem; }
.references-section li { break-inside: avoid; margin: 0 0 1.05rem; padding-left: .45rem; color: var(--green); }
.references-section li a { color: var(--ink-soft); text-decoration-color: rgba(47,111,131,.45); text-underline-offset: 3px; font-size: .78rem; line-height: 1.5; }
.references-section li:target { padding: 8px 10px 8px .45rem; border-radius: 7px; background: #e3eadf; }

.archive-note { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(45px, 9vw, 130px); padding-block: clamp(75px, 10vw, 130px); }
.archive-note p { color: var(--ink-soft); }
.archive-note code { color: var(--blue-deep); background: #e5eae3; padding: .15em .35em; border-radius: 4px; }
.source-note { font-size: .78rem; }
.archive-link { display: inline-block; margin-top: 10px; color: var(--blue-deep); font-weight: 800; text-decoration-thickness: 1px; text-underline-offset: 5px; }

#pie { color: #e6eee9; background: #103d55; }
.footer-inner { min-height: 175px; display: flex; align-items: center; justify-content: space-between; gap: 45px; }
.footer-brand { display: grid; text-decoration: none; }
.footer-brand strong { font: 500 1.7rem var(--serif); }
.footer-brand span { color: rgba(255,255,255,.62); font-size: .75rem; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 26px; }
.footer-inner nav a { color: rgba(255,255,255,.76); font-size: .78rem; text-decoration: none; }
.footer-inner nav a:hover, .footer-inner nav a:focus-visible { color: white; text-decoration: underline; }

.lightbox { width: min(1500px, calc(100vw - 24px)); max-width: calc(100vw - 24px); height: calc(100dvh - 24px); max-height: calc(100dvh - 24px); padding: 16px; color: var(--ink); border: 0; border-radius: 18px; background: #f7f5ee; box-shadow: 0 25px 90px rgba(5,24,32,.42); }
.lightbox[open] { display: flex; flex-direction: column; gap: 10px; }
.lightbox::backdrop { background: rgba(6,29,39,.82); backdrop-filter: blur(4px); }
.lightbox-close { position: absolute; z-index: 2; top: 10px; right: 12px; width: 40px; height: 40px; color: white; cursor: pointer; border: 0; border-radius: 50%; background: var(--blue-deep); font-size: 1.4rem; }
.lightbox .lightbox-mat { display: flex; flex-direction: column; flex: 1; min-width: 0; min-height: 0; padding: 0; overflow: auto; overscroll-behavior: contain; border-radius: 10px; background: #dde5dd; }
.visual-surface { position: relative; flex: none; margin: auto; }
.visual-canvas { position: absolute; top: 0; left: 0; transform-origin: top left; }
.lightbox img { display: block; width: 100%; max-width: none; height: 100%; max-height: none; }
.lightbox [hidden] { display: none !important; }
.lightbox p { flex: none; margin: 0; color: var(--ink-soft); font-size: .75rem; line-height: 1.4; max-height: 3em; overflow: auto; }
.visual-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; padding-right: 44px; flex: none; }
.visual-toolbar button { min-width: 44px; min-height: 44px; padding: 7px 10px; border: 1px solid #8ca49c; border-radius: 7px; color: var(--blue-deep); background: #fffdf8; font: 600 .8rem var(--sans); cursor: pointer; }
.visual-toolbar button:disabled { opacity: .4; cursor: default; }
.visual-toolbar output { min-width: 44px; font: .72rem var(--sans); }
.visual-help { flex: none; font: .73rem/1.4 var(--sans); color: var(--ink-soft); }

@media (max-width: 940px) {
  .hero-grid, .introduction, .archive-note { grid-template-columns: 1fr; }
  .hero-artifact { max-width: 510px; }
  .timeline-layout { grid-template-columns: 1fr; }
  .chronology { max-height: none; overflow-x: auto; padding: 0 0 13px; }
  .chronology ol { display: flex; width: max-content; }
  .chronology ol::before { top: 17px; bottom: auto; left: 20px; right: 20px; width: auto; height: 1px; }
  .timeline-choice { width: 150px; grid-template-columns: 1fr; justify-items: center; padding: 0 7px; text-align: center; }
  .timeline-choice::before { margin: 10px 0 7px; }
  .timeline-choice[aria-current="true"]::before { margin: 7px 0 4px; }
  .event-grid { grid-template-columns: 1fr; }
  .event-figure { max-width: 560px; }
}

@media (max-width: 650px) {
  .wrap { width: min(100% - 24px, 1180px); }
  .topbar { align-items: flex-start; padding-block: 18px; }
  .top-links { justify-content: flex-end; gap: 10px 16px; }
  .top-links a { font-size: .72rem; }
  .hero-grid { padding-block: 55px; }
  .hero-copy h1 { font-size: clamp(3.4rem, 18vw, 5.2rem); }
  .hero-facts { overflow-x: auto; }
  .hero-facts div { min-width: 112px; }
  .hero-image-mat { min-height: 325px; padding: 22px; }
  .introduction { padding-block: 70px; }
  .method-preview { grid-template-columns: 1fr; padding: 23px; }
  .method-detail { grid-column: auto; }
  .section-heading { align-items: start; }
  .event-panel { padding: 25px 18px; border-radius: 18px; }
  .event-header h2 { font-size: 2.25rem; }
  .image-stage { min-height: 0; padding: 6px; }
  .event-panel.has-readable-map .image-stage { padding: 6px; }
  .empty-visual { min-height: 315px; padding: 32px; }
  .event-actions { grid-template-columns: 1fr 1fr; }
  .event-link { grid-column: 1 / -1; grid-row: 2; text-align: center; }
  .footer-inner { min-height: 210px; flex-direction: column; align-items: flex-start; justify-content: center; }
  .lightbox { padding: 12px; }
  .lightbox-mat { min-width: 0; min-height: 55vh; padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Testimonios históricos: tinta azul, papel claro y acento verde del proyecto. */
.event-copy .historical-subheading { margin: 2rem 0 1rem; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--ink); font: 500 clamp(1.35rem, 2.4vw, 1.8rem)/1.3 var(--serif); }
.event-copy .historical-quotation { margin: 1.4rem 0; padding: clamp(16px, 3vw, 26px); border-left: 3px solid var(--green); background: var(--paper-cool); border-radius: 0 10px 10px 0; }
.historical-quotation blockquote { margin: 0; }
.event-copy .historical-quotation blockquote p { margin: 0; color: var(--ink); font: 400 1.125rem/1.75 var(--serif); }
.event-copy .historical-quotation figcaption { margin-top: .85rem; color: var(--ink-soft); font: 400 1rem/1.6 var(--sans); }

/* Video del autor: antes del apartado de Mungia, reproducción voluntaria. */
.event-copy .process-video { margin: 2rem 0; padding: clamp(14px, 2.5vw, 24px); background: var(--paper-cool); border: 1px solid var(--line); border-radius: 14px; }
.process-video h3 { margin: 0 0 1rem; color: var(--ink); font: 500 clamp(1.3rem, 2.3vw, 1.7rem)/1.3 var(--serif); }
.process-video video { display: block; width: 100%; max-height: 75vh; background: #12324a; border-radius: 8px; }
.event-copy .process-video figcaption { margin-top: 1rem; color: var(--ink-soft); font: 400 1rem/1.65 var(--sans); }
.event-copy .process-video-links { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; margin: 1rem 0 0; font-size: 1rem; }
.process-video-links a { text-underline-offset: .2em; }

/* Marcos armonizados: revisión integral 2. */
.hero-image-mat{padding:10px;border-radius:16px;box-shadow:0 14px 32px rgba(8,29,38,.18)}
.hero-image-mat::after{content:none}
.hero-image-mat img{border-radius:8px}

/* Montaje vertical de la sal: conservar la proporcion completa y controles visibles. */
.process-video video { width: auto; max-width: 100%; height: auto; max-height: 75vh; margin-inline: auto; object-fit: contain; }