:root {
  --ink:#12324a;--ink-soft:#36566b;--blue:#2f6f83;--blue-deep:#123e59;--green:#557c63;--moss:#9fb384;
  --paper:#f6f4ed;--paper-cool:#edf2ee;--white:#fffef9;--line:rgba(26,69,78,.18);
  --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}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);line-height:1.68}a{color:inherit}img{display:block;max-width:100%}.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:#fff;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}

.stone-hero{position:relative;color:#f9fbf7;overflow:hidden;background:linear-gradient(135deg,#0f364e 0%,#285d6e 48%,#567760 100%)}.stone-hero::before{content:"";position:absolute;width:720px;height:720px;right:-280px;top:-390px;border-radius:50%;background:radial-gradient(circle,rgba(183,207,169,.22),transparent 68%)}.stone-hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.12;background-image:radial-gradient(circle at 20% 30%,#fff 0 1px,transparent 1.5px),radial-gradient(circle at 70% 65%,#fff 0 1px,transparent 1.5px);background-size:37px 37px,51px 51px}.topbar{position:relative;z-index:3;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:2;display:grid;grid-template-columns:minmax(0,1.22fr) minmax(320px,.78fr);gap:clamp(48px,7vw,92px);align-items:center;padding-block:clamp(62px,9vw,114px)}.hero-copy .eyebrow{color:#c7d8b3}.hero-copy h1{max-width:780px;margin:0;font:400 clamp(3.25rem,7.2vw,6.8rem)/.94 var(--serif);letter-spacing:-.05em}.hero-subtitle{max-width:690px;margin:25px 0 0;color:#dce9df;font:italic 400 clamp(1.25rem,2.6vw,1.9rem)/1.35 var(--serif)}.hero-intro{max-width:660px;margin:20px 0 0;color:rgba(255,255,255,.76)}.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin:38px 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-stone{margin:0}.hero-image-mat{position:relative;aspect-ratio:4/5;display:grid;place-items:center;padding:26px;overflow:hidden;border:1px solid rgba(255,255,255,.21);border-radius:16px;background:linear-gradient(145deg,rgba(245,246,232,.16),rgba(10,39,50,.28));box-shadow:0 28px 70px rgba(8,29,38,.3)}.hero-image-mat::after{content:"";position:absolute;inset:14px;border:1px solid rgba(199,216,179,.3);border-radius:inherit}.hero-image-mat img{width:100%;height:100%;object-fit:cover;border-radius:8px;filter:saturate(.8) contrast(1.04)}.hero-stone figcaption{display:grid;gap:3px;margin:14px 18px 0}.hero-stone figcaption span{font:600 .88rem var(--serif)}.hero-stone figcaption small{color:rgba(255,255,255,.62)}
.project-nav{position:relative;z-index:3;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:#fff;border-bottom-color:#a9c181;background:rgba(255,255,255,.05)}

.reading-section{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(310px,.65fr);gap:clamp(48px,7vw,90px);align-items:start;padding-block:clamp(68px,9vw,112px)}.reading-copy h2,.synthesis-section h2,.references-section h2{margin:0 0 28px;font:400 clamp(2.3rem,4.8vw,4.4rem)/1.03 var(--serif);letter-spacing:-.04em}.reading-copy>p:not(.eyebrow){max-width:790px;margin:0 0 1.15em;color:var(--ink-soft);font-size:1rem}.reading-copy>p:nth-of-type(2)::first-letter{float:left;margin:.09em .1em 0 0;color:var(--green);font:500 3.8rem/.75 var(--serif)}.method-card{position:sticky;top:24px;padding:30px;border:1px solid var(--line);border-top:7px solid var(--green);border-radius:22px;background:linear-gradient(145deg,#f7f8f1,#e8efea);box-shadow:0 17px 44px rgba(29,62,67,.1)}.method-symbol{width:72px;height:72px;display:grid;place-items:center;margin-bottom:24px;color:#fff;border-radius:50%;background:linear-gradient(145deg,var(--green),var(--blue));box-shadow:inset 0 0 0 7px rgba(255,255,255,.12);font-size:1.55rem}.method-card h2{margin:0 0 12px;font:500 2rem/1.1 var(--serif)}.method-card p:not(.eyebrow){margin:0;color:var(--ink-soft);font-size:.86rem}.method-card ol{list-style:none;margin:26px 0 0;padding:0;counter-reset:stone-method}.method-card li{position:relative;display:grid;gap:2px;padding:14px 0 14px 42px;border-top:1px solid var(--line);counter-increment:stone-method}.method-card li::before{content:counter(stone-method,decimal-leading-zero);position:absolute;top:15px;left:0;color:var(--green);font:700 .75rem var(--serif)}.method-card li strong{font:600 1rem var(--serif)}.method-card li span{color:#687d80;font-size:.72rem}

.routes-section{padding-block:clamp(74px,9vw,118px);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:40px}.section-heading h2{max-width:820px;margin:0;font:400 clamp(2.3rem,4.8vw,4.5rem)/1 var(--serif);letter-spacing:-.045em}.section-heading>p{margin:0;color:var(--green);font:500 1.35rem var(--serif);white-space:nowrap}.route-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.route-card{min-width:0;display:grid;grid-template-columns:minmax(190px,.85fr) minmax(0,1.15fr);overflow:hidden;border:1px solid var(--line);border-radius:24px;background:rgba(255,254,249,.94);box-shadow:0 15px 42px rgba(21,54,67,.09);transition:transform .25s ease,box-shadow .25s ease}.route-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.route-featured,.route-wide{grid-column:1/-1;grid-template-columns:minmax(300px,1fr) minmax(0,1fr)}.route-image{position:relative;min-height:320px;overflow:hidden;background:#dce6df}.route-image::after{content:"";position:absolute;inset:14px;border:1px solid rgba(255,255,255,.46);border-radius:8px;pointer-events:none}.route-image img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}.route-image:hover img,.route-image:focus-visible img{transform:scale(1.025)}.route-image>span{position:absolute;z-index:2;right:24px;bottom:23px;padding:7px 11px;color:#fff;border-radius:999px;background:rgba(12,49,63,.8);font-size:.69rem}.route-card:nth-child(2) .route-image img{object-fit:contain;background:#162126}.route-copy{display:flex;flex-direction:column;align-items:start;padding:clamp(27px,4vw,44px)}.route-number{margin:0 0 19px;color:var(--green);font-size:.72rem;font-weight:800;letter-spacing:.16em}.route-copy h3{margin:0 0 15px;font:500 clamp(1.55rem,2.8vw,2.45rem)/1.08 var(--serif);letter-spacing:-.025em}.route-copy>p:not(.route-number){margin:0 0 25px;color:var(--ink-soft);font-size:.86rem}.route-copy>a{margin-top:auto;color:var(--blue-deep);text-decoration:none;font-size:.8rem;font-weight:800;border-bottom:1px solid var(--green)}.route-copy>a span{display:inline-block;margin-left:7px;transition:transform .2s ease}.route-copy>a:hover span{transform:translateX(4px)}.route-wide .route-image{min-height:360px}

.synthesis-section{padding-block:clamp(72px,9vw,112px)}.synthesis-section header{max-width:820px}.synthesis-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(35px,6vw,80px);padding-top:36px;border-top:1px solid var(--line)}.synthesis-grid p{margin:0;color:var(--ink-soft)}.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:#fff;text-align:left;background:var(--blue-deep);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)}
.references-section{padding:0 0 clamp(80px,10vw,130px)}.references-section header{max-width:820px}.references-section>p{color:var(--ink-soft)}.references-section ol{margin:34px 0 0;padding:0;list-style:none;counter-reset:stone-ref;columns:2;column-gap:58px}.references-section li{position:relative;break-inside:avoid;margin:0 0 18px;padding:0 0 17px 36px;color:var(--ink-soft);border-bottom:1px solid var(--line);font-size:.79rem;counter-increment:stone-ref}.references-section li::before{content:counter(stone-ref);position:absolute;left:0;top:0;width:25px;height:25px;display:grid;place-items:center;color:#fff;border-radius:50%;background:var(--green);font:700 .68rem var(--serif)}.references-section li:target{padding-top:10px;background:#edf3e8}.references-section a{color:var(--blue-deep);text-underline-offset:3px}
footer{color:#e8f0eb;background:linear-gradient(135deg,#0c354d,#315f63)}.footer-inner{min-height:150px;display:flex;align-items:center;justify-content:space-between;gap:40px}.footer-brand{display:grid;text-decoration:none}.footer-brand strong{font:600 1.25rem var(--serif)}.footer-brand span{color:rgba(255,255,255,.62);font-size:.73rem}.footer-inner nav{display:flex;gap:25px}.footer-inner nav a{color:rgba(255,255,255,.78);text-decoration:none;font-size:.78rem}

@media(max-width:920px){.hero-grid,.reading-section{grid-template-columns:1fr}.hero-stone{max-width:510px}.method-card{position:static}.route-card,.route-featured,.route-wide{grid-column:auto;grid-template-columns:1fr}.route-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.route-image,.route-wide .route-image{min-height:280px}}
@media(max-width:680px){.wrap{width:min(1180px,calc(100% - 28px))}.topbar{align-items:flex-start;padding-block:18px}.top-links{justify-content:flex-end;gap:10px 16px}.top-links a{font-size:.72rem}.hero-copy h1{font-size:clamp(3rem,15vw,4.8rem)}.hero-grid{padding-block:52px 70px}.route-grid,.synthesis-grid{grid-template-columns:1fr}.section-heading{align-items:start}.section-heading>p{display:none}.citations a::after{position:fixed;left:16px;right:16px;bottom:16px;width:auto;transform:translateY(5px)}.citations a:hover::after,.citations a:focus-visible::after{transform:none}.references-section ol{columns:1}.footer-inner{align-items:flex-start;flex-direction:column;justify-content:center;padding-block:35px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}}

/* Marcos editoriales: imagen completa y contorno discreto. */
.hero-image-mat{aspect-ratio:auto;padding:10px;background:rgba(247,245,238,.08);box-shadow:0 14px 32px rgba(8,29,38,.18)}
.hero-image-mat::after,.route-image::after{content:none}
.hero-image-mat img{display:block;height:auto;object-fit:contain;filter:none}
.hero-stone figcaption{margin:14px 2px 0;padding-left:12px;border-left:2px solid var(--moss)}