/* LATIDO — Monografía. Estética editorial y arquitectónica. */
:root{
  --cal:#F2EEE6; --papel:#EAE4D8; --chukum:#D8CAB2; --piedra:#8B8478; --tinta:#14130F; --noche:#0F1417; --noche-ink:#E9E3D7; --pulso:#B4442A;
  --serif:"Cormorant Garamond",Georgia,serif; --sans:"Instrument Sans",system-ui,sans-serif; --mono:"IBM Plex Mono",ui-monospace,monospace; --mark:"Montserrat",sans-serif;
  --g:clamp(16px,4vw,64px); --rule:rgba(20,19,15,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--cal);color:var(--tinta);font:400 16px/1.6 var(--sans);overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:1360px;margin:0 auto;padding:0 var(--g)}
.mono{font:400 11px/1.5 var(--mono);letter-spacing:.14em;text-transform:uppercase}
.muted{color:var(--piedra)}
.serif{font-family:var(--serif)}
em{font-style:italic}

/* Cabecera */
.hdr{position:sticky;top:0;z-index:20;background:rgba(242,238,230,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.mark{display:inline-flex;flex-direction:column;gap:5px;text-decoration:none;line-height:1}
.mark b{font:300 18px/1 var(--mark);letter-spacing:.45em;margin-right:-.45em}
.mark i{font:400 7.5px/1 var(--mark);font-style:normal;letter-spacing:.28em;text-transform:uppercase;color:var(--piedra)}
.nav{display:flex;gap:28px}
.nav a{text-decoration:none;color:var(--piedra)}
.nav a:hover{color:var(--tinta)}
.cta{display:inline-flex;align-items:center;gap:10px;height:42px;padding:0 18px;background:var(--tinta);color:var(--cal);text-decoration:none;font:500 12px/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--tinta)}
.cta:hover{background:var(--pulso);border-color:var(--pulso)}
.cta--line{background:transparent;color:var(--tinta)}
.cta--line:hover{background:transparent;color:var(--pulso)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--pulso);animation:beat 1.05s infinite}
@keyframes beat{0%,40%,100%{transform:scale(1);opacity:.7}8%{transform:scale(1.7);opacity:1}16%{transform:scale(1.1)}24%{transform:scale(1.45);opacity:1}}

/* Portada */
.cover{padding:56px 0 0}
.cover-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,5vw,80px);align-items:start;margin-top:clamp(28px,4vh,48px)}
.cover-grid .lede{margin-top:0}
.folio{display:flex;justify-content:space-between;border-top:1px solid var(--tinta);padding-top:12px;margin-bottom:clamp(32px,6vh,72px)}
h1{font:300 clamp(56px,9.2vw,148px)/.88 var(--serif);letter-spacing:-.025em;margin:0}
h1 em{font-weight:300}
.lede{font:400 clamp(17px,1.35vw,20px)/1.55 var(--sans);max-width:30em;margin:36px 0 0}
.cover-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.plate{border:1px solid var(--rule);background:var(--papel);padding:18px}
.plate figcaption{display:flex;justify-content:space-between;gap:12px;margin-top:12px;border-top:1px solid var(--rule);padding-top:10px}
.plan .wall{fill:none;stroke:var(--tinta);stroke-width:6}
.plan .iw{fill:none;stroke:var(--tinta);stroke-width:2.5}
.plan .thin{fill:none;stroke:var(--tinta);stroke-width:.8}
.plan .soft{fill:none;stroke:var(--piedra);stroke-width:.7;stroke-dasharray:3 3}
.plan .water{fill:#C9D3CF}
.plan text{font:400 8.5px var(--mono);letter-spacing:.12em;fill:var(--tinta);text-transform:uppercase}
.plan .pulse{fill:var(--pulso);offset-path:path("M170 26 L170 118 L150 238 L290 244 L280 136 L376 136 L372 246 L250 330 L250 424 L468 424 L468 64 L170 26");animation:walk 16s linear infinite}
.plan .trail{fill:none;stroke:var(--pulso);stroke-width:1;stroke-dasharray:2 4;opacity:.55}
@keyframes walk{from{offset-distance:0%}to{offset-distance:100%}}
.index{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--tinta);margin-top:clamp(48px,8vh,96px)}
.index a{padding:14px 12px 18px 0;text-decoration:none;border-right:1px solid var(--rule)}
.index a:last-child{border-right:0}
.index a span{display:block;font:400 22px/1.1 var(--serif);letter-spacing:0;text-transform:none;margin-top:6px;color:var(--tinta)}
.index a:hover span{color:var(--pulso)}

/* Secciones */
.sec{padding:clamp(88px,14vh,160px) 0}
.sec-head{display:grid;grid-template-columns:3fr 9fr;gap:clamp(24px,5vw,80px);margin-bottom:clamp(40px,7vh,80px)}
.sec-num{border-top:1px solid var(--tinta);padding-top:12px}
h2{font:300 clamp(40px,5.6vw,88px)/.95 var(--serif);letter-spacing:-.02em;margin:0;border-top:1px solid var(--tinta);padding-top:12px}
.sec-lede{font-size:18px;max-width:34em;color:#3b3833;margin:24px 0 0}

/* 01 · Horario */
.day{border-top:1px solid var(--tinta)}
.row{display:grid;grid-template-columns:3fr 4fr 5fr;gap:clamp(16px,4vw,64px);padding:28px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.row .h{font:300 clamp(44px,5vw,76px)/1 var(--serif);letter-spacing:-.02em;font-variant-numeric:lining-nums tabular-nums}
.row h3{font:400 clamp(22px,1.9vw,28px)/1.15 var(--serif);margin:0}
.row p{margin:0;color:#4a463f}
.night{background:var(--noche);color:var(--noche-ink)}
.night .row{border-color:rgba(233,227,215,.14)}
.night .row p{color:#b9b2a5}
.night .wrap{padding-top:8px;padding-bottom:8px}
.row .h small{display:block;font:400 10px/1.4 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--pulso);margin-top:8px}

/* 02 · La casa */
.casa-grid{display:grid;grid-template-columns:7fr 5fr;gap:clamp(24px,5vw,80px);align-items:start}
.elev .l{fill:none;stroke:var(--tinta);stroke-width:1.2}
.elev .h{fill:none;stroke:var(--tinta);stroke-width:2.4}
.elev .g{fill:none;stroke:var(--piedra);stroke-width:.6}
.elev .water{fill:#C9D3CF}
.elev circle.c{fill:var(--cal);stroke:var(--pulso);stroke-width:1.2}
.elev text{font:400 10px var(--mono);fill:var(--pulso);text-anchor:middle;dominant-baseline:central}
.legend{list-style:none;margin:0;padding:0;border-top:1px solid var(--tinta)}
.legend li{display:grid;grid-template-columns:36px 1fr;gap:4px 12px;padding:18px 0;border-bottom:1px solid var(--rule)}
.legend b{font:400 11px/28px var(--mono);color:var(--pulso)}
.legend strong{font:400 22px/1.2 var(--serif);display:block}
.legend span{color:#4a463f;font-size:15px}

/* 03 · Transformación */
.trans{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,3vw,40px)}
.trans figure{margin:0}
.trans .plate{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:28px}
.trans svg .l{fill:none;stroke:var(--tinta);stroke-width:1.2}
.trans svg .g{fill:none;stroke:var(--piedra);stroke-width:.5;stroke-dasharray:2 3}
.trans svg .f{fill:var(--chukum);stroke:var(--tinta);stroke-width:.8}
.trans h3{font:400 24px/1.15 var(--serif);margin:18px 0 6px}
.trans p{margin:0;color:#4a463f;font-size:15px}
.note{margin-top:28px;border-top:1px solid var(--rule);padding-top:14px}

/* 04 · Cómo empezamos */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--tinta)}
.steps div{padding:24px 24px 0 0;border-right:1px solid var(--rule)}
.steps div+div{padding-left:24px}
.steps div:last-child{border-right:0}
.steps .n{font:300 64px/1 var(--serif);color:var(--pulso)}
.steps h3{font:400 22px/1.2 var(--serif);margin:16px 0 8px}
.steps p{margin:0;color:#4a463f;font-size:15px}

/* 05 · Respaldo */
.backing{background:var(--papel)}
.quote{font:300 clamp(32px,4vw,60px)/1.08 var(--serif);letter-spacing:-.01em;margin:0;max-width:20em}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,3vw,48px);margin-top:clamp(48px,8vh,88px);border-top:1px solid var(--tinta)}
.reviews figure{margin:0;padding-top:20px}
.reviews blockquote{margin:0 0 16px;font:400 italic 21px/1.35 var(--serif)}

/* 06 · Personas */
.people{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,80px)}
.person{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:end;border-top:1px solid var(--tinta);padding-top:20px}
.person img{width:100%;aspect-ratio:3/4;object-fit:cover;filter:grayscale(1) contrast(1.06) brightness(1.02)}
.person h3{font:400 32px/1.05 var(--serif);margin:10px 0 12px}
.person p{margin:0 0 14px;color:#4a463f;font-size:15px}
.person a{font:400 12px/1 var(--mono);letter-spacing:.06em;text-decoration:none;border-bottom:1px solid var(--rule);padding-bottom:3px}

/* 07 · Diagnóstico */
.dx{background:var(--tinta);color:var(--cal)}
.dx h2{border-color:var(--cal)}
.dx .sec-num{border-color:var(--cal)}
.dx-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,5vw,80px)}
.dx .muted{color:#a29b8f}
.lines{list-style:none;margin:32px 0 0;padding:0;border-top:1px solid rgba(242,238,230,.2)}
.lines li{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid rgba(242,238,230,.2);font:400 13px var(--mono)}
.lines a{text-decoration:none}
form{display:grid;gap:28px}
fieldset{border:0;margin:0;padding:0;display:grid;gap:18px}
legend{padding:0;margin-bottom:14px;color:var(--pulso)}
.r2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{display:grid;gap:6px}
input,select,textarea{width:100%;font:400 17px/1.4 var(--sans);color:var(--cal);background:transparent;border:0;border-bottom:1px solid rgba(242,238,230,.3);border-radius:0;padding:8px 0;-webkit-appearance:none;appearance:none}
select option{color:var(--tinta)}
input:focus,select:focus,textarea:focus{outline:none;border-bottom-color:var(--cal)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{display:block;cursor:pointer;position:relative}
.chips input{position:absolute;opacity:0;width:1px;height:1px;left:0;top:0}
.chips span{display:inline-block;padding:10px 14px;border:1px solid rgba(242,238,230,.3);font-size:14px}
.chips input:checked+span{background:var(--cal);color:var(--tinta)}
.dx .cta{background:var(--cal);color:var(--tinta);border-color:var(--cal)}
.dx .cta:hover{background:var(--pulso);border-color:var(--pulso);color:var(--cal)}

footer{padding:40px 0;border-top:1px solid var(--rule)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:20px}

@media (max-width:900px){
  .nav,.hdr .cta-txt{display:none}
  .cover{padding-top:32px}
  .cover-grid,.casa-grid,.dx-grid,.people,.sec-head{grid-template-columns:1fr}
  .index{grid-template-columns:repeat(2,1fr)}
  .index a{border-bottom:1px solid var(--rule)}
  .index a:nth-child(2n){border-right:0;padding-left:12px}
  .row{grid-template-columns:1fr;gap:6px;padding:22px 0}
  .trans,.reviews{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .steps div{padding:20px 12px 20px 0;border-bottom:1px solid var(--rule)}
  .steps div:nth-child(2n){border-right:0;padding-left:12px}
  .steps div:nth-child(3){padding-left:0}
  .person{grid-template-columns:2fr 3fr;align-items:start}
  .r2{grid-template-columns:1fr}
  .cover-cta .cta{flex:1 1 auto;justify-content:center}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important}}

/* Web real: formulario, accesibilidad y WhatsApp */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--pulso);outline-offset:3px}
.chips input:focus-visible+span{outline:2px solid var(--pulso);outline-offset:2px}
button.cta{cursor:pointer}
.hp{position:absolute;left:-9999px}
.form-done{display:none;border-top:1px solid rgba(242,238,230,.3);padding-top:24px}
.form-done.on{display:block}
.form-done h3{font:400 32px/1.1 var(--serif);margin:12px 0}
.form-done a{color:var(--cal)}
.wa{position:fixed;right:16px;bottom:16px;z-index:30;display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 16px;background:var(--tinta);color:var(--cal);text-decoration:none;opacity:0;transform:translateY(12px);transition:opacity .4s,transform .4s}
.wa.on{opacity:1;transform:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.fld{display:grid;gap:6px}