/* Diraspi — sitio 2026. Ley de color: tinta/nav/display navy #003057 · enlace/hover #00AEEF ·
   neutros #5A6472/#8A93A0 sobre blanco. Los seis colores solo en la huella y las categorías. */
:root{
  --navy:#003057; --tur:#00AEEF; --tur-soft:#66D4FA;
  --ink-2:#5A6472; --ink-3:#8A93A0;
  --dark:#06172B; --dark-2:#02182E;
  --c-vias:#F58220; --c-urb:#FFCB05; --c-edi:#EC008C;
  --c-aero:#00AEEF; --c-infra:#003057; --c-mar:#A6CE39;
  --mont:'Montserrat',sans-serif; --inter:'Inter',sans-serif; --mono:'IBM Plex Mono',monospace;
}
*{box-sizing:border-box}
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.28s}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01s!important;transition-duration:.01s!important}}
body{margin:0;background:#fff;color:var(--navy);font-family:var(--inter);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%}
a{color:var(--tur)}
a:hover{color:var(--c-urb)}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .65s ease,transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
/* proyectos: los paneles entran de izquierda a derecha, uno a uno (turno --rd del observer) */
.est-panel.reveal{transform:translateX(-26px)}
.est-panel.reveal.in{transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes tickDraw{from{transform:scaleX(0)}}
@keyframes histCue{0%,100%{transform:translateY(0);opacity:.45}50%{transform:translateY(9px);opacity:1}}

.only-touch{display:none}
@media (hover:none){.only-desktop{display:none}.only-touch{display:inline}}

/* ——— NAV ——— */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;justify-content:space-between;align-items:center;
  padding:14px 48px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);transition:box-shadow .4s ease}
.nav.scrolled{box-shadow:0 1px 0 rgba(0,48,87,.08),0 8px 28px rgba(0,20,40,.06)}
body.dark .nav.scrolled{box-shadow:0 1px 0 rgba(255,255,255,.06),0 8px 28px rgba(0,0,0,.3)}
/* padding 8 + margen -8: área táctil ≥44px de alto sin engordar el header */
.nav-brand{display:flex;align-items:center;gap:13px;text-decoration:none;padding:8px 0;margin:-8px 0}
.nav-d{height:40px;width:auto}
.nav-word{height:14px;width:auto}
.nav-links{display:flex;align-items:center;gap:32px}
/* padding 14 + margen -14: área táctil ≥44px sin engordar el header */
.nav-links a{position:relative;font-family:var(--mont);font-weight:500;font-size:13px;letter-spacing:.2em;color:var(--navy);text-decoration:none;transition:color .3s ease;padding:14px 0;margin:-14px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:9px;height:2px;background:var(--tur);transform:scaleX(0);transform-origin:left center;transition:transform .35s cubic-bezier(.22,1,.36,1)}
.nav-links a:hover,.nav-links a.on{color:var(--tur)}
.nav-links a:hover::after,.nav-links a.on::after{transform:scaleX(1)}
.nav-lang{font-family:var(--mont);font-weight:500;font-size:13px;letter-spacing:.2em;color:var(--navy)}
.nav-lang span{color:#9AA7B5}
.nav-burger{display:none;background:none;border:none;cursor:pointer;padding:11px;margin:-6px 0}
.nav-burger span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0}
body.dark .nav{background:rgba(6,23,43,.88)}
body.dark .nav-links a{color:rgba(255,255,255,.78)}
body.dark .nav-links a:hover,body.dark .nav-links a.on{color:var(--tur)}
body.dark .nav-lang{color:#fff}
body.dark .nav-burger span{background:#fff}
@media (max-width:760px){body.dark .nav-links{background:var(--dark)}}

/* ——— HERO ——— */
.hero{position:relative;min-height:100vh;display:flex;align-items:stretch;overflow:hidden;background:#fff;padding-top:72px}
.hero-left{flex:1;min-width:0;padding:56px 24px 64px 96px;display:flex;flex-direction:column;pointer-events:none}
.hero-kicker{font-family:var(--mont);font-weight:500;font-size:17px;letter-spacing:.38em;animation:fadeUp .8s cubic-bezier(.22,1,.36,1) both}
/* la voz del fundador habla en serif */
.hero-quote{margin:56px 0 0;font-weight:400;animation:fadeUp .8s .12s cubic-bezier(.22,1,.36,1) both}
.hq-1,.hq-2{display:block;font-family:'Instrument Serif',serif;font-size:clamp(36px,3.9vw,56px);line-height:1.12}
.hq-1{color:var(--navy)}
.hq-2{font-style:italic;color:var(--ink-2)}
.hero-years{margin-top:26px;font-family:var(--mont);font-weight:500;font-size:13px;letter-spacing:.28em;color:var(--ink-3);animation:fadeUp .8s .24s cubic-bezier(.22,1,.36,1) both}
.hero-mosaic-zone{margin-top:40px;max-width:560px;pointer-events:auto}
.hero-idle{font-family:var(--mont);font-style:italic;font-weight:500;font-size:19px;color:rgba(0,48,87,.45)}
.hero-active{animation:riseIn .4s cubic-bezier(.22,1,.36,1) both}
.hero-line-label{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.hero-line-tick{width:22px;height:3px;background:var(--navy)}
.hero-line-label span:last-child{font-family:var(--mont);font-weight:500;font-size:11px;letter-spacing:.24em;color:rgba(0,48,87,.6)}
.hero-mosaic{display:grid;gap:6px;grid-auto-flow:dense}
.tile{position:relative;overflow:hidden;cursor:pointer}
.tile:focus-visible{outline:2px solid var(--tur);outline-offset:-2px}
.tile-img{position:absolute;inset:0;background-size:cover;background-position:center;filter:grayscale(1);transform:scale(1);transition:filter .4s ease,transform .6s cubic-bezier(.22,1,.36,1)}
.tile video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(1);transition:filter .4s ease}
.tile-veil{position:absolute;inset:0;background:var(--navy);mix-blend-mode:color;opacity:.62;transition:opacity .4s ease}
.tile-grad{position:absolute;inset:0;background:linear-gradient(to top,rgba(2,20,38,.84) 0%,rgba(2,20,38,.3) 48%,rgba(2,20,38,.06) 70%)}
.tile-idx{position:absolute;left:8px;top:7px;font-family:var(--mono);font-size:9px;letter-spacing:.08em;color:rgba(255,255,255,.6)}
.tile-kind{position:absolute;right:8px;top:8px;font-family:var(--mono);font-size:8.5px;letter-spacing:.16em;color:var(--tur-soft);opacity:0;transition:opacity .35s ease}
.tile-name{position:absolute;left:9px;right:9px;bottom:8px;font-family:var(--inter);font-weight:600;line-height:1.25;letter-spacing:.04em;text-transform:uppercase;color:#fff;text-shadow:0 1px 8px rgba(0,20,40,.65);overflow-wrap:anywhere}
.tile-play{position:absolute;right:8px;bottom:8px;width:22px;height:22px;border-radius:50%;background:rgba(0,174,239,.85);color:#fff;display:flex;align-items:center;justify-content:center;font-size:9px}
.tile:hover .tile-img,.tile.on .tile-img,.tile:hover video,.tile.on video{filter:grayscale(0)}
.tile:hover .tile-img{transform:scale(1.05)}
.tile:hover .tile-veil,.tile.on .tile-veil{opacity:0}
.tile:hover .tile-kind,.tile.on .tile-kind{opacity:1}
.hero-huella{position:relative;flex:none;width:min(46vw,660px);margin:36px 40px 24px 0}
.hero-huella svg{position:absolute;width:100%;height:auto;top:0;left:0}
.hero-huella svg text{font-family:var(--inter);font-weight:500}
.hero-huella g.ridge{transition:opacity .35s ease;cursor:pointer}
.hero-huella g.ridge:focus-visible{outline:2px solid var(--tur);outline-offset:2px}
/* hit-area táctil: trazo transparente en px de pantalla (non-scaling) — suma ~7px por lado
   a la banda pintada sin cambiar el visual; el bounding-box robaría taps entre arcos */
.hero-huella g.ridge path{stroke:transparent;stroke-width:14px;vector-effect:non-scaling-stroke;paint-order:stroke}
.hero-replay{position:absolute;bottom:24px;right:24px;border:1px solid rgba(0,48,87,.3);color:rgba(0,48,87,.65);
  font-family:var(--mono);font-size:10px;letter-spacing:.15em;padding:7px 11px;background:rgba(255,255,255,.7);cursor:pointer}
.hero-replay:hover{border-color:var(--tur);color:var(--tur)}

/* ——— SECCIONES claras ——— */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;padding:96px 48px 0;gap:24px}
.sec-head h1,.sec-head h2{margin:0;font-family:var(--mont);font-weight:800;font-size:clamp(38px,4vw,54px);line-height:1}
.sec-note{margin:0;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--ink-2);text-align:right;line-height:1.7}

/* ——— OBRAS franjas ——— */
.obras{background:#fff}
.franjas{display:flex;flex-direction:column;gap:3px;padding:40px 48px 48px;min-height:70vh}
.franja{display:flex;gap:3px;flex:1 1 0;min-height:64px;transition:flex-grow .55s cubic-bezier(.22,1,.36,1);overflow:hidden}
.franja.open{flex-grow:4}
/* cabecera = botón real (Enter/Espacio y foco nativos); resets para no romper el visual */
.franja-head{flex:none;display:block;width:200px;margin:0;padding:10px 0 0;background:none;border:0;border-top:1px solid rgba(0,48,87,.15);
  text-align:left;font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
.franja-head:focus-visible{outline:2px solid var(--tur);outline-offset:3px}
.franja-tick{display:block;width:26px;height:4px;transform-origin:left center;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.franja.open .franja-tick{transform:scaleX(2.2)}
.franja-name{display:block;margin-top:8px;font-family:var(--mont);font-weight:800;font-size:14.5px;letter-spacing:.03em}
.franja-count{display:block;margin-top:4px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--ink-3)}
/* entrada orquestada: cada franja sube (reveal, --rd = su turno), luego el tick se traza y el texto aterriza.
   El turno viaja en --rd acotado a opacity/transform: flex-grow queda siempre a delay 0 (hover-open intacto) */
.franja.reveal{transition:flex-grow .55s cubic-bezier(.22,1,.36,1),opacity .65s ease var(--rd,0ms),transform .7s cubic-bezier(.22,1,.36,1) var(--rd,0ms)}
/* one-shot: .settled (JS: fin de la coreografía o primera apertura) la apaga para siempre —
   sin él, quitar .open re-aplicaba el shorthand y CSS reiniciaba las tres animaciones en cada cierre */
.franja.reveal.in:not(.settled) .franja-tick{animation:tickDraw .6s cubic-bezier(.22,1,.36,1) calc(var(--rd,0ms) + .15s) backwards}
.franja.reveal.in:not(.settled) .franja-name{animation:riseIn .5s cubic-bezier(.22,1,.36,1) calc(var(--rd,0ms) + .26s) backwards}
.franja.reveal.in:not(.settled) .franja-count{animation:riseIn .5s cubic-bezier(.22,1,.36,1) calc(var(--rd,0ms) + .34s) backwards}
/* mosaico: cada tarjeta entra tras su franja, en cascada izquierda→derecha (--cx = posición 0..1) */
.franja.reveal.in:not(.settled) .card{animation:riseIn .45s cubic-bezier(.22,1,.36,1) calc(var(--rd,0ms) + var(--cx,0)*.32s + .12s) backwards}
/* capa propia solo mientras dura la coreografía (.settled la retira): sin esto la primera cascada
   rasteriza tarjeta a tarjeta y se ve a saltos en frío */
.franja.reveal:not(.settled){will-change:opacity,transform}
.franja.reveal.in:not(.settled) .card{will-change:opacity,transform}
.franja-cards{flex:1;min-width:0;display:flex;gap:3px}
.franja.deep.open{flex-grow:6}
.franja.open .franja-cards.rows-2{display:grid;grid-auto-rows:1fr;grid-auto-flow:row dense}
.franja.open .franja-cards.rows-2 .card{min-height:0}
.card{flex:1 1 0;min-width:0;position:relative;overflow:hidden;cursor:pointer;text-decoration:none;transition:flex-grow .5s cubic-bezier(.22,1,.36,1)}
.card:focus-visible{outline:2px solid var(--tur);outline-offset:-2px;z-index:2}
.card.sel{flex-grow:2.8}
.card-img{position:absolute;inset:0;background-size:cover;background-position:center;filter:grayscale(1);transition:filter .45s ease,transform .9s cubic-bezier(.22,1,.36,1)}
.card-vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(1);transition:filter .45s ease,transform .9s cubic-bezier(.22,1,.36,1)}
.card:hover .card-vid,.card.sel .card-vid{filter:none;transform:scale(1.045)}
.card-veil{position:absolute;inset:0;background:var(--navy);opacity:1;mix-blend-mode:color;transition:opacity .45s ease}
.franja.open .card-veil{opacity:.8}
.card:hover .card-img,.card.sel .card-img{filter:none;transform:scale(1.045)}
.card:hover .card-veil,.card.sel .card-veil{opacity:0}
/* cascada de apertura: la revelación recorre la franja de izquierda a derecha (--cx = posición 0..1, ≤ ~400ms) */
.franja.cascading .card-veil,.franja.cascading .card::after{transition-delay:calc(var(--cx,0)*.3s)}
.franja.cascading .card-name{transition-delay:calc(var(--cx,0)*.3s + .08s)}
.franja.cascading .card:hover .card-veil,.franja.cascading .card:hover::after{transition-delay:0s}
/* scrim local bajo el nombre — la veladura color no acota luminancia (auditoría a11y) */
.card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:52px;
  background:linear-gradient(to top,rgba(2,20,38,.82),rgba(2,20,38,.32) 55%,rgba(2,20,38,0));
  pointer-events:none;z-index:1;opacity:0;transition:opacity .35s ease}
.franja.open .card::after{opacity:1}
.card:hover::after,.card.sel::after{opacity:0}
/* el año emerge con el hover — numeral fantasma sobre la foto a color */
.card-year{position:absolute;top:8px;right:12px;z-index:2;font-family:var(--mont);font-weight:800;font-size:clamp(26px,2.6vw,48px);line-height:1;letter-spacing:-.02em;color:rgba(255,255,255,.42);text-shadow:0 2px 18px rgba(2,20,38,.35);opacity:0;transform:translateY(8px);transition:opacity .4s ease,transform .5s cubic-bezier(.22,1,.36,1);pointer-events:none}
.card:hover .card-year,.card.sel .card-year{opacity:1;transform:none}
/* táctil: sin hover el año nunca emergería — se muestra con la franja abierta */
@media (hover:none){.franja.open .card-year{opacity:1;transform:none}}
.card-name{position:absolute;left:10px;right:10px;bottom:8px;z-index:2;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.06em;color:#fff;
  text-shadow:0 1px 3px rgba(2,20,38,.6);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:0;transform:translateY(6px);
  transition:opacity .35s ease,transform .55s cubic-bezier(.22,1,.36,1)}
.franja.open .card-name{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .franja.reveal{transition:none}
  .franja.reveal.in:not(.settled) .franja-tick,.franja.reveal.in:not(.settled) .franja-name,.franja.reveal.in:not(.settled) .franja-count,.franja.reveal.in:not(.settled) .card{animation:none}
  .franja.cascading .card-veil,.franja.cascading .card::after,.franja.cascading .card-name{transition-delay:0s}
  .card-name{transform:none}
}
.card-ficha{position:absolute;left:0;right:0;bottom:0;z-index:3;background:rgba(2,24,46,.92);padding:12px 14px;display:flex;flex-direction:column;gap:4px;animation:riseIn .35s cubic-bezier(.22,1,.36,1) both}
.card-ficha strong{font-family:var(--inter);font-weight:600;font-size:12px;letter-spacing:.05em;color:#fff;text-transform:uppercase}
.card-ficha .meta{font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:var(--tur-soft)}
.card-ficha p{margin:0;font-family:var(--inter);font-weight:300;font-size:11px;line-height:1.5;color:rgba(255,255,255,.8)}

/* ——— PROYECTOS / estudio ——— */
.estudio{background:#fff}
.estudio-lead{padding:24px 48px 0;margin:0;font-family:var(--mont);font-style:italic;font-weight:500;font-size:21px;color:rgba(0,48,87,.5)}
.est-panels{display:flex;gap:3px;padding:28px 48px 48px;height:74vh;min-height:480px}
.est-panel{flex:1 1 0;min-width:0;position:relative;overflow:hidden;cursor:pointer;transition:flex-grow .6s cubic-bezier(.22,1,.36,1)}
.est-panel:focus-visible{outline:2px solid var(--tur);outline-offset:-2px}
.est-panel.open{flex-grow:3}
.est-img{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1);transition:transform .8s cubic-bezier(.22,1,.36,1)}
.est-panel.open .est-img{transform:scale(1.04)}
.est-img.placeholder{background:linear-gradient(160deg,#0A2A48 0%,var(--dark-2) 70%);display:flex;align-items:center;justify-content:center}
.est-img.placeholder img{width:38%;opacity:.5}
.est-img.placeholder span{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:rgba(255,255,255,.35)}
.est-grad{position:absolute;inset:0;background:linear-gradient(to top,rgba(2,20,38,.88) 0%,rgba(2,20,38,.5) 34%,rgba(2,20,38,.16) 62%,rgba(2,20,38,.05) 100%)}
.est-text{position:absolute;left:28px;right:28px;bottom:26px;display:flex;flex-direction:column;gap:9px}
.est-tick{width:30px;height:5px;background:var(--tur)}
.est-meta{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.16em;color:var(--tur-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  text-shadow:0 0 1px rgba(2,20,38,.95),0 1px 2px rgba(2,20,38,.9),0 0 8px rgba(2,20,38,.55)}
.est-name{font-family:var(--mont);font-weight:800;font-size:clamp(19px,1.9vw,29px);line-height:1.08;color:#fff;text-shadow:0 2px 14px rgba(2,20,38,.4)}
.est-desc{max-width:560px;font-family:var(--inter);font-weight:300;font-size:14px;line-height:1.55;color:rgba(255,255,255,.88);
  opacity:0;transform:translateY(10px);transition:opacity .5s ease .1s,transform .5s cubic-bezier(.22,1,.36,1) .1s}
.est-panel.open .est-desc{opacity:1;transform:none}

/* plan de décadas */
.plan{background:var(--dark);padding:80px 96px 64px}
.plan-kicker{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--tur-soft)}
.plan-head h3{margin:14px 0 0;font-family:var(--mont);font-weight:800;font-size:clamp(28px,3.4vw,48px);line-height:1.1;color:#fff}
.plan-detail{min-height:150px;display:flex;align-items:flex-end;margin-top:24px}
.plan-idle{font-family:var(--mont);font-style:italic;font-weight:500;font-size:22px;color:rgba(255,255,255,.45)}
.plan-hit{display:flex;flex-direction:column;gap:12px;max-width:640px;animation:riseIn .4s cubic-bezier(.22,1,.36,1) both}
.plan-hit .tick{width:30px;height:5px}
.plan-hit .lab{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.6)}
.plan-hit .phr{font-family:var(--mont);font-style:italic;font-weight:500;font-size:26px;line-height:1.3;color:#fff}
.plan-hit .tbc{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--tur-soft);font-style:normal}
.plan-segs{display:flex;align-items:flex-end;gap:4px;margin-top:34px}
.plan-seg{flex:1;display:flex;flex-direction:column;gap:14px;cursor:pointer}
.plan-seg .bar{height:10px;transition:height .45s cubic-bezier(.22,1,.36,1),opacity .35s ease}
.plan-seg.on .bar{height:64px}
.plan-seg.dim .bar{opacity:.35}
.plan-seg .yrs{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:rgba(255,255,255,.5)}
.plan-seg.on .yrs{color:#fff}
.plan-seg .yrs span:last-child{opacity:.45}
.plan-foot{display:flex;justify-content:space-between;align-items:center;margin-top:56px}
.plan-foot>span{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:rgba(255,255,255,.4)}

.btn-ghost,.btn-ghost-light{display:inline-flex;align-items:center;gap:10px;font-family:var(--inter);font-weight:500;font-size:11.5px;
  letter-spacing:.22em;text-decoration:none;padding:13px 16px;transition:color .3s,border-color .3s,transform .35s cubic-bezier(.22,1,.36,1)}
.btn-ghost:hover,.btn-ghost-light:hover{transform:translateY(-1px)}
.btn-ghost{color:var(--navy);border:1px solid rgba(0,48,87,.3)}
.btn-ghost:hover{border-color:var(--tur);color:var(--tur)}
.btn-ghost-light{color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost-light:hover{border-color:var(--tur);color:var(--tur)}

/* ——— SERVICIOS ——— */
.servicios{background:#fff}
.srv-wrap{display:flex;gap:52px;padding:40px 48px 72px;min-height:66vh}
.srv-rows{flex:1;min-width:0;display:flex;flex-direction:column;border-bottom:1px solid rgba(0,48,87,.15)}
.srv-row{flex:1;display:flex;align-items:center;gap:26px;border-top:1px solid rgba(0,48,87,.15);cursor:pointer;padding:14px 0;transition:opacity .35s ease}
.srv-row:focus-visible{outline:2px solid var(--tur);outline-offset:-2px}
.srv-row.dim{opacity:.4}
.srv-idx{flex:none;width:24px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--ink-3)}
.srv-tick{flex:none;width:26px;height:4px;transition:width .45s cubic-bezier(.22,1,.36,1)}
.srv-row.on .srv-tick{width:96px}
.srv-name{font-family:var(--mont);font-weight:800;font-size:clamp(20px,2.6vw,37px);letter-spacing:.01em;white-space:nowrap}
.srv-count{margin-left:auto;flex:none;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--ink-3)}
.srv-side{flex:none;width:430px;border-left:1px solid rgba(0,48,87,.12);padding-left:44px;display:flex;flex-direction:column;justify-content:center}
.srv-idle{display:flex;flex-direction:column;gap:18px}
.srv-ticks{display:flex;gap:6px}
.srv-ticks span{width:24px;height:4px;display:block}
.srv-idle-phrase{margin:0;font-family:var(--mont);font-style:italic;font-weight:500;font-size:24px;line-height:1.35;color:rgba(0,48,87,.5)}
.srv-idle-note{margin:0;font-family:var(--mono);font-size:11px;letter-spacing:.14em;line-height:1.8;color:var(--ink-3)}
.srv-detail{display:flex;flex-direction:column;gap:16px;animation:riseIn .4s cubic-bezier(.22,1,.36,1) both}
/* [hidden] debe ganar a los display:flex de autor (idle y detalle se apilaban visibles a la vez) */
.srv-idle[hidden],.srv-detail[hidden]{display:none}
.srv-detail .tick{width:30px;height:5px}
.srv-detail .lab{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--ink-2)}
.srv-detail .phr{font-family:var(--mont);font-style:italic;font-weight:500;font-size:28px;line-height:1.25}
.srv-detail .des{font-family:var(--inter);font-weight:300;font-size:14.5px;line-height:1.6;color:var(--ink-2)}
.srv-works{display:flex;flex-direction:column;gap:8px;margin-top:6px}
.srv-work{display:flex;align-items:center;gap:14px}
.srv-work .ph{flex:none;width:96px;height:60px;background-size:cover;background-position:center}
.srv-work .nm{flex:1;font-family:var(--inter);font-weight:600;font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;line-height:1.35}
.srv-work .yr{flex:none;font-family:var(--mono);font-size:11px;color:var(--ink-3)}

/* ——— HISTORIA ——— */
.historia{position:relative;background:var(--dark)}
/* dvh: en Safari/Chrome móviles 100vh incluye la barra de URL y tapaba el texto anclado abajo */
.hist-scroller{height:100vh;height:100dvh;overflow-y:auto;scroll-snap-type:y mandatory;scrollbar-width:none}
.hist-scroller::-webkit-scrollbar{display:none}
.chap{height:100vh;height:100dvh;scroll-snap-align:start;position:relative;overflow:hidden;background:var(--dark)}
.chap-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:grayscale(1);transform:scale(1.07);transition:filter 1.1s ease,transform 1.4s cubic-bezier(.22,1,.36,1)}
.chap.act .chap-bg{filter:grayscale(0);transform:scale(1)}
.chap.quiet .chap-bg,.chap.quiet.act .chap-bg{filter:grayscale(1) brightness(.62)}
.chap-veil{position:absolute;inset:0;background:var(--navy);mix-blend-mode:color;opacity:.72;transition:opacity 1.1s ease}
.chap.act .chap-veil{opacity:.14}
.chap.quiet .chap-veil{opacity:.85}
.chap-grad{position:absolute;inset:0;background:linear-gradient(to top,rgba(3,12,23,.88) 0%,rgba(3,12,23,.28) 46%,rgba(3,12,23,.14) 100%)}
.chap-text{position:absolute;left:min(7vw,96px);right:min(7vw,96px);bottom:84px;display:flex;flex-direction:column;gap:13px;align-items:flex-start;text-align:left;
  opacity:0;transform:translateY(32px);transition:opacity .9s ease .15s,transform .9s cubic-bezier(.22,1,.36,1) .15s}
.chap.act .chap-text{opacity:1;transform:none}
.chap.right .chap-text{align-items:flex-end;text-align:right}
.chap-tick{width:34px;height:5px}
.chap-num{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:rgba(255,255,255,.62)}
.chap-year{font-family:var(--mont);font-weight:800;font-size:clamp(72px,10vw,148px);line-height:.95;color:#fff}
.chap-title{max-width:640px;font-family:var(--mont);font-style:italic;font-weight:500;font-size:clamp(20px,2.6vw,35px);line-height:1.28;color:rgba(255,255,255,.94)}
.chap-meta{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--tur-soft)}
.chap-cover{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;text-align:center;padding:0 20px}
.chap-cover .k{font-family:var(--mont);font-weight:500;font-size:15px;letter-spacing:.38em;color:rgba(255,255,255,.6)}
.chap-cover h1,.chap-cover h2{margin:0;font-family:var(--mont);font-weight:800;font-size:clamp(56px,9vw,120px);line-height:1;color:#fff}
.chap-cover .p{max-width:660px;font-family:var(--mont);font-style:italic;font-weight:500;font-size:clamp(20px,2.4vw,31px);line-height:1.35;color:rgba(255,255,255,.85)}
.chap-cover .m{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--tur-soft)}
/* botón real con área táctil ≥44px; el glifo sigue siendo el mismo */
.chap-cover .cue{margin-top:24px;display:flex;flex-direction:column;align-items:center;cursor:pointer;background:none;border:0;padding:12px 18px}
.chap-cover .cue:focus-visible{outline:2px solid var(--tur);outline-offset:2px}
.chap-cover .cue span{font-family:var(--mono);font-size:30px;line-height:1;color:var(--tur);animation:histCue 2.2s ease-in-out infinite}
.chap-huella-img{position:absolute;right:60px;top:50%;height:min(700px,80vh);transform:translateY(-50%) scale(.95);opacity:.18;transition:opacity 1.1s ease,transform 1.3s cubic-bezier(.22,1,.36,1)}
.chap.act .chap-huella-img{opacity:1;transform:translateY(-50%) scale(1)}
.chap-huella-bgtex{position:absolute;right:-140px;top:-120px;width:820px;opacity:.1;filter:saturate(0)}
.hist-rail{position:absolute;right:26px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:0;z-index:12}
/* botón real: el padding lleva el área táctil a ≥44px sin engordar el trazo visual */
.rail-item{display:flex;align-items:center;justify-content:flex-end;gap:9px;cursor:pointer;width:100%;background:none;border:0;padding:16px 0;font:inherit}
.rail-item:focus-visible{outline:2px solid var(--tur);outline-offset:2px}
/* .68 + sombra: las etiquetas inactivas deben leerse también sobre fotos claras */
.rail-item span:first-child{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:rgba(255,255,255,.68);text-shadow:0 1px 4px rgba(3,12,23,.8);transition:color .3s ease}
.rail-item span:last-child{width:12px;height:2px;background:rgba(255,255,255,.32);transition:width .3s ease,background .3s ease}
.rail-item.on span:first-child{color:var(--tur)}
.rail-item.on span:last-child{width:26px;background:var(--tur)}

/* ——— NOSOTROS ——— */
.nosotros{background:#fff}
.nos-wrap{display:flex;gap:52px;padding:40px 48px 80px}
.nos-left{flex:none;width:490px;display:flex;flex-direction:column}
.nos-phrase{margin:0;font-family:var(--mont);font-style:italic;font-weight:500;font-size:33px;line-height:1.25}
.nos-desc{margin:18px 0 0;font-family:var(--inter);font-weight:300;font-size:15px;line-height:1.65;color:var(--ink-2)}
.nos-chips-label{margin-top:26px;font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:var(--ink-3)}
.nos-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.nos-chip{display:inline-flex;align-items:center;gap:8px;font-family:var(--inter);font-weight:500;font-size:11px;letter-spacing:.1em;
  color:var(--navy);text-decoration:none;border:1px solid rgba(0,48,87,.22);padding:7px 11px}
.nos-chip:hover{border-color:var(--tur);color:var(--tur)}
.nos-chip i{width:9px;height:9px;display:block}
.nos-chip.solid{color:#fff;background:var(--navy);border-color:var(--navy)}
.nos-chip.solid:hover{background:var(--tur);border-color:var(--tur);color:#fff}
.nos-contact{margin-top:34px;border-top:1px solid rgba(0,48,87,.15);padding-top:20px;display:flex;flex-direction:column;gap:9px}
.nos-row{display:flex;gap:16px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;line-height:1.6;align-items:baseline}
.nos-row>span:first-child{flex:none;width:76px;color:var(--ink-3)}
.nos-row a{color:var(--navy);text-decoration:none}
.nos-row a:hover{color:var(--tur)}
.nos-val{color:var(--navy)}
.tbc{font-family:var(--mono);font-style:normal;font-size:9px;letter-spacing:.1em;color:#B4633A;background:#FBF1E9;padding:2px 6px}
.nos-coords{margin-top:10px;display:flex;align-items:baseline;gap:18px}
.nos-coords strong{font-family:var(--mont);font-weight:800;font-size:clamp(20px,2.1vw,31px);letter-spacing:.01em;white-space:nowrap}
.nos-right{flex:1;min-width:0;display:flex;flex-direction:column}
.nos-leads-head{display:flex;justify-content:space-between;align-items:baseline}
.nos-leads-head span:first-child{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:var(--ink-3)}
.nos-leads{margin-top:12px;display:grid;grid-template-columns:repeat(3,1fr);gap:3px}
.nos-lead{display:flex;flex-direction:column;gap:10px}
.nos-lead-ph{height:296px;background:linear-gradient(165deg,#EDF1F5,#D8E0E8);display:flex;align-items:center;justify-content:center}
.nos-lead-ph span{font-family:var(--mont);font-weight:800;font-size:64px;color:rgba(0,48,87,.12)}
.nos-lead strong{font-family:var(--inter);font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.nos-lead>span{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--ink-3)}
.nos-fundador{margin-top:auto;border-top:1px solid rgba(0,48,87,.15);padding-top:18px;display:flex;align-items:center;gap:22px;text-decoration:none}
.nos-fnd-photo{flex:none;width:76px;height:76px;background-size:cover;background-position:center top;filter:grayscale(1);transition:filter .45s ease}
.nos-fundador:hover .nos-fnd-photo{filter:none}
.nos-fnd-text{flex:1;display:flex;flex-direction:column;gap:5px}
.nos-fnd-text em{font-family:var(--mont);font-weight:500;font-size:20px;line-height:1.3;color:var(--navy)}
.nos-fnd-text span{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--ink-3)}

/* ——— FOOTER / LIGHTBOX ——— */
.foot{background:var(--dark-2);padding:40px 48px 26px}
.foot-main{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-brand{display:flex;align-items:center;gap:13px}
.foot-brand img{height:30px;width:auto}
.foot-word{font-family:var(--mont);font-weight:500;font-size:13px;letter-spacing:.38em;color:#fff}
.foot-links{display:flex;gap:36px;flex-wrap:wrap}
/* padding vertical: área táctil ≥44px para los tres canales de contacto */
.foot-links a{display:inline-flex;align-items:center;gap:8px;font-family:var(--inter);font-weight:400;font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.62);text-decoration:none;transition:color .3s ease;padding:15px 0}
.foot-links a:hover{color:var(--tur)}
.foot-links svg{width:14px;height:14px;flex:none;opacity:.75}
.foot-sub{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px}
.foot-sub span{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.58)}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(2,14,26,.94);display:flex;align-items:center;justify-content:center}
.lightbox[hidden]{display:none}
.lb-inner{width:min(90vw,960px)}
.lb-inner video{width:100%;display:block;background:#000}
.lb-inner video[hidden],.lb-inner img[hidden]{display:none}
.lb-caption{margin-top:12px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--tur-soft)}
.lb-close{position:absolute;top:22px;right:26px;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;font-size:14px;padding:8px 12px;min-width:44px;min-height:44px;cursor:pointer;z-index:2}
.lb-close:hover{border-color:var(--tur);color:var(--tur)}
.lb-inner img{display:block;width:100%;max-height:82vh;object-fit:contain;background:#000}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(2,24,46,.6);border:1px solid rgba(255,255,255,.35);color:#fff;font-size:26px;line-height:1;padding:10px 14px;min-width:44px;min-height:44px;cursor:pointer;z-index:2}
.lb-nav:hover{border-color:var(--tur);color:var(--tur)}
.lb-prev{left:22px}
.lb-next{right:22px}
@media (max-width:760px){.lb-prev{left:8px}.lb-next{right:8px}.lb-nav{padding:8px 11px;font-size:20px}}

/* ——— modo captura/QA (?flat) ——— */
.flat .hero{min-height:760px}
.flat .hist-scroller{height:auto;overflow:visible}
.flat .chap{height:760px}
.flat .chap .chap-text,.flat .chap-cover{opacity:1;transform:none}
.flat .chap .chap-bg{filter:grayscale(0);transform:none}
.flat .chap .chap-veil{opacity:.14}
.flat .franjas,.flat .srv-wrap{min-height:0}
.flat .franja{min-height:120px}
/* solo escritorio: en columna (≤1100) los 5 paneles no caben en 520px y tapaban lo de abajo */
@media (min-width:1101px){.flat .est-panels{height:520px}}
.flat .hist-rail{display:none}

/* ——— RESPONSIVE ——— */
@media (max-width:1100px){
  .hero{flex-direction:column;min-height:0}
  .hero-left{padding:40px 24px 24px}
  .hero-huella{width:min(88vw,520px);margin:0 auto 40px;height:calc(min(88vw,520px)*1.31)}
  .srv-side{width:340px;padding-left:28px}
  .srv-name{min-width:0;overflow:hidden;text-overflow:ellipsis}
  .nos-left{width:100%}
  .nos-wrap{flex-direction:column}
  .est-panels{flex-direction:column;height:auto}
  .est-panel{min-height:150px}
  .est-panel.open{min-height:320px}
  /* cerrado en columna: la descripción oculta seguía ocupando alto y recortaba tick y meta */
  .est-panel:not(.open) .est-desc{display:none}
  /* bajo 1100px la rejilla de dos filas estrangula las tarjetas (44px en tablet):
     vuelve a fila única desplazable, mismo patrón que el móvil */
  .franja.open .franja-cards.rows-2{display:flex;overflow-x:auto}
  .franja.open .franja-cards.rows-2 .card{flex:none;width:220px}
}
@media (max-width:900px){
  /* apilar servicios antes: a 768–900 la fila activa (tick 96px + nombre nowrap)
     se montaba sobre el panel lateral de 340px */
  .srv-wrap{flex-direction:column;gap:28px}
  .srv-side{width:100%;border-left:none;padding-left:0}
  .srv-row.on .srv-tick{width:56px}
}
@media (max-width:760px){
  .nav{padding:12px 20px}
  .nav-burger{display:block}
  /* borde 1px en vez de sombra: fidelidad al sistema (separadores 1px, sin sombras) */
  .nav-links{position:fixed;top:64px;right:0;left:0;background:#fff;flex-direction:column;gap:0;display:none;padding:8px 0 16px;border-bottom:1px solid rgba(0,48,87,.15)}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 24px;margin:0;width:100%;text-align:left}
  /* subrayado como tick corto bajo el texto — de borde a borde se leía como regla suelta */
  .nav-links a::after{left:24px;right:auto;width:26px}
  .nav-lang{padding:13px 24px;align-self:flex-start}
  .sec-head{flex-direction:column;align-items:flex-start;padding:64px 20px 0}
  .sec-note{text-align:left}
  .franjas{padding:24px 20px 32px;min-height:0}
  .franja{flex-direction:column;min-height:0;flex:none}
  .franja-head{width:100%;padding-bottom:8px}
  .franja-cards{display:none;height:200px}
  /* flex:none — en columna el flex:1 (base 0) del escritorio colapsaba la fila de tarjetas a 0px;
     .rows-2 vuelve a fila desplazable: la rejilla de 2 filas es solo de escritorio */
  .franja.open .franja-cards{display:flex;overflow-x:auto;flex:none}
  .franja.open .franja-cards.rows-2{display:flex}
  .franja.open .card{flex:none;width:220px}
  .est-meta{white-space:normal}
  .estudio-lead{padding:16px 20px 0;font-size:17px}
  .est-panels{padding:20px}
  .plan{padding:56px 20px 40px}
  .plan-foot{flex-direction:column;gap:20px;align-items:flex-start}
  .srv-wrap{padding:24px 20px 48px}
  .srv-row{gap:12px}
  .srv-idx{width:18px}
  .srv-name{font-size:clamp(16px,4.8vw,24px)}
  .nos-wrap{padding:24px 20px 56px}
  .nos-leads{grid-template-columns:1fr}
  .nos-lead-ph{height:120px}
  .nos-coords strong{font-size:22px}
  .nos-fundador{flex-wrap:wrap}
  .hist-rail{display:none}
  .chap-text{bottom:56px}
  /* capítulo 08: la huella se ancla a la mitad superior para despejar la zona del texto */
  .chap-huella-img{top:16px;right:16px;height:min(44vh,420px);transform:translateY(0) scale(.95)}
  .chap.act .chap-huella-img{transform:translateY(0) scale(1)}
  .foot{padding:22px 20px}
}

/* ——— móvil: historia sin scroller anidado (fix navbar iOS) + footer en columna ——— */
@media (max-width:760px){
  .hist-html{scroll-snap-type:y proximity}
  .hist-html .hist-scroller{height:auto;overflow:visible;scroll-snap-type:none}
  .foot-main{flex-direction:column;align-items:flex-start;gap:18px}
  .foot-links{flex-direction:column;gap:4px}
  .foot-sub{flex-direction:column;gap:8px}
}