/* =========================================================
   Colores y tipografías. Paleta de marca: gris #4d4d4d,
   negro, azul #85aaaa, azul claro #deebef, blanco.
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
:root{
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
  color-scheme:light;
  --bg:#ffffff;
  --bg-alt:#deebef;
  --ink:#000000;
  --text:#4d4d4d;
  --primary:#85aaaa;          /* azul principal de la marca */
  --accent:#85aaaa;
  --accent-deep:#3f6e6e;      /* versión más oscura del azul, para textos pequeños */
  --line:rgba(77,77,77,.22);
  --line-strong:rgba(77,77,77,.5);
  --btn-bg:#4d4d4d;
  --btn-fg:#ffffff;
  --btn-hover:#000000;
  --header-bg:rgba(255,255,255,.95);
  --panel:#ffffff;
  --block-bg:#4d4d4d;
  --serif:"Libre Bodoni","Bodoni 72","Didot",Georgia,serif;
  --sans:"Jost","Avenir Next",system-ui,-apple-system,"Segoe UI",sans-serif;
  --script:"Mrs Saint Delafield","Segoe Script","Brush Script MT",cursive;
}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 80px)}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.0625rem/1.7 var(--sans);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--header-bg)}
img,video{max-width:100%;display:block}
a{color:var(--accent-deep)}
h1,h2,h3{font-family:var(--serif);color:var(--ink);font-weight:500;line-height:1.12;margin:0;letter-spacing:-.005em}
h1{font-size:clamp(2.7rem,6.4vw,5.3rem)}
h2{font-size:clamp(2rem,4.4vw,3.3rem);max-width:19ch}
h3{font-size:clamp(1.4rem,2.2vw,1.75rem)}
p{margin:0 0 1.1em}
.wrap{width:min(1180px,100% - clamp(40px,10vw,112px));margin-inline:auto}
.script{font-family:var(--script);color:var(--accent-deep);font-weight:400;line-height:1}
:focus-visible{outline:2px solid var(--accent-deep);outline-offset:3px}
.page[hidden]{display:none !important}
main{position:relative;isolation:isolate}
.page-title{font-size:clamp(2.6rem,6vw,4.6rem);max-width:none}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.85em 1.6em;border-radius:999px;background:var(--btn-bg);color:var(--btn-fg);border:1.5px solid var(--btn-bg);font:500 1rem/1.2 var(--sans);text-decoration:none;cursor:pointer;transition:background-color .2s,color .2s,border-color .2s}
.btn:hover{background:var(--btn-hover);border-color:var(--btn-hover)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-small{padding:.6em 1.2em;font-size:.95rem}

/* ---------- Cabecera ---------- */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--header-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand img{height:38px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a.nav-link{color:var(--text);text-decoration:none;font-size:1rem;padding:6px 0;border-bottom:1.5px solid transparent}
.nav a.nav-link:hover,.nav a.nav-link[aria-current="page"]{color:var(--ink);border-bottom-color:var(--primary)}
.menu-btn{display:none;background:none;border:1.5px solid var(--line-strong);border-radius:999px;color:var(--ink);font:500 .95rem var(--sans);padding:.5em 1.1em;cursor:pointer}
@media (max-width:900px){
  .menu-btn{display:inline-flex}
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px clamp(20px,5vw,56px) 20px;display:none}
  .nav.open{display:flex}
  .nav a.nav-link{padding:14px 0;border-bottom:1px solid var(--line);font-size:1.1rem}
  .nav .btn{margin-top:16px}
}

/* ---------- Secciones ---------- */
.section{padding-block:clamp(72px,10vw,130px)}
.section-alt{background:var(--bg-alt)}
.section-head{margin-bottom:clamp(32px,5vw,56px)}
.section-head p.lead{max-width:56ch;margin-top:20px;font-size:1.15rem}

/* ---------- Portada ---------- */
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;min-height:clamp(480px,48vw,760px)}
.hero-text{display:flex;flex-direction:column;justify-content:center;
  padding:clamp(40px,6vw,80px) clamp(24px,4vw,56px) clamp(40px,6vw,80px) clamp(24px,6vw,128px)}
.hero-text h1{color:var(--primary);font-size:clamp(3rem,6.6vw,6.2rem);line-height:1;font-weight:600;letter-spacing:-.015em}
.hero-text .lead{font-size:clamp(1.1rem,1.5vw,1.25rem);max-width:38ch;margin:28px 0 32px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.hero-sign{display:block;font-size:2.6rem;margin-top:30px}
.hero-img{margin:clamp(24px,3vw,48px) clamp(24px,6vw,128px) clamp(24px,3vw,48px) 0;position:relative;height:clamp(400px,40vw,640px);aspect-ratio:9/16;background:var(--bg-alt);border-radius:3px}
.hero-img video{border-radius:3px}
.hero-img img,.hero-img video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 28%}
.hero-card{position:absolute;left:clamp(-56px,-3.5vw,-24px);bottom:-20px;background:#fff;border-top:3px solid var(--primary);padding:14px 20px 14px;max-width:270px;font-size:.92rem;line-height:1.4}
.hero-card strong{display:block;font-family:var(--serif);font-weight:500;font-size:1.2rem;color:var(--ink);line-height:1.2;margin-bottom:2px}
.hero-strip{background:var(--bg-alt)}
.hero-strip ul{margin:0 auto;padding:0;list-style:none;display:flex;justify-content:space-between;width:min(1180px,100% - clamp(40px,10vw,112px))}
.hero-strip li{flex:1;text-align:center;padding:18px 12px;font-family:var(--serif);font-size:1.08rem;color:var(--ink);border-left:1px solid var(--line-strong)}
.hero-strip li:first-child{border-left:0}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;min-height:0}
  .hero-text{padding:48px clamp(20px,5vw,56px) 40px}
  .hero-img{margin:0 clamp(20px,5vw,56px) 40px;height:min(62vh,120vw);height:min(62svh,120vw);aspect-ratio:auto}
  .hero-card{left:16px;bottom:16px}
  .hero-strip ul{flex-wrap:wrap}
  .hero-strip li{flex:1 1 33%;border-left:0;padding:12px 8px;font-size:1rem}
}

/* ---------- Sobre ---------- */
.about-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(32px,7vw,110px);align-items:center}
.about-photo{margin:0}
.about-photo img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:60% 35%;border-radius:3px;background:var(--bg-alt)}
.about-photo figcaption{font-size:.9rem;margin-top:10px}
.about-text .isotipo{width:84px;height:84px;object-fit:contain;margin-bottom:22px}
.about-text h2{margin-bottom:28px}
.about-text p{max-width:54ch}
.about-text .mini{font-size:.98rem}
@media (max-width:860px){.about-grid{grid-template-columns:1fr}.about-photo{max-width:420px}}

/* ---------- Pintura decorativa ---------- */
.paint-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(32px,6vw,96px);align-items:start}
.areas{margin:0;padding:0;list-style:none;border-top:1px solid var(--line-strong)}
.areas li{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.areas h3{font-size:1.4rem}
.areas p{margin:0;text-align:right}
.areas li.nuevo{background:rgba(255,255,255,.6);padding-inline:16px;margin-inline:-16px}
.nuevo-tag{display:inline-block;vertical-align:middle;margin-left:10px;border:1.5px solid var(--accent-deep);color:var(--accent-deep);border-radius:999px;padding:.05em .75em;font:500 .8rem/1.6 var(--sans);letter-spacing:0}
.tecnicas{background:var(--panel);padding:clamp(24px,3.5vw,36px);border-radius:3px}
.tecnicas h3{margin-bottom:18px}
.tecnicas dt{font-family:var(--serif);color:var(--ink);font-size:1.2rem;margin-top:14px}
.tecnicas dt:first-of-type{margin-top:0}
.tecnicas dd{margin:2px 0 0}
@media (max-width:900px){.paint-grid{grid-template-columns:1fr}}
@media (max-width:520px){.areas li{flex-direction:column;gap:2px}.areas p{text-align:left}}

/* ---------- Cómo trabajo ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(28px,4vw,56px);margin:0;padding:0;list-style:none;counter-reset:paso}
.steps li{border-top:1.5px solid var(--ink);padding-top:22px}
.steps li::before{counter-increment:paso;content:counter(paso);display:block;font-family:var(--serif);font-size:3.4rem;line-height:1;color:var(--primary);margin-bottom:14px}
.steps h3{margin-bottom:10px}
.steps p{margin:0 0 .9em}
@media (max-width:860px){.steps{grid-template-columns:1fr}}

/* ---------- Galerías de fotos ---------- */
.tile{position:relative;margin:0}
.tile button{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;background:var(--bg-alt);cursor:zoom-in;border-radius:3px;overflow:hidden}
.tile img,.tile video{width:100%;height:100%;object-fit:cover;object-position:var(--pos,50% 50%);border-radius:3px;background:var(--bg-alt)}
.tile.contain img{object-fit:contain;object-position:50% 50%}
.chip{position:absolute;left:10px;top:10px;background:var(--bg);color:var(--ink);font-size:.82rem;font-weight:500;padding:.25em .8em;border-radius:999px;pointer-events:none}

/* Inicio: 5 x 2 */
.mosaico{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.mosaico .tile{aspect-ratio:4/5}
.more{margin-top:34px;display:flex;justify-content:center}
@media (max-width:900px){.mosaico{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:560px){.mosaico{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}}

/* Proyectos */
.filtros{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.filtros button{font:500 .95rem var(--sans);border:1.5px solid var(--line-strong);background:transparent;border-radius:999px;padding:.5em 1.3em;cursor:pointer;color:var(--text)}
.filtros button:hover{border-color:var(--ink);color:var(--ink)}
.filtros button[aria-pressed="true"]{background:var(--btn-bg);border-color:var(--btn-bg);color:#fff}
.proyecto{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(24px,5vw,72px);padding-block:clamp(30px,4vw,52px);border-top:1px solid var(--line-strong)}
.proyecto[hidden]{display:none}
.proyecto-head{align-self:start;position:sticky;top:calc(env(safe-area-inset-top,0px) + 96px)}
.proyecto-head .meta{margin:10px 0 14px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;color:var(--accent-deep);font-weight:500}
.tag{display:inline-block;border:1.5px solid var(--accent-deep);border-radius:999px;padding:.05em .75em;font-size:.84rem;line-height:1.5}
.proyecto-head .texto{max-width:36ch;margin:0}
.destacados{margin:22px 0 0;max-width:36ch}
.destacados h4{margin:0 0 8px;font:600 .95rem var(--sans);color:var(--ink)}
.destacados ul{margin:0;padding:0;list-style:none;border-top:1px solid var(--line-strong)}
.destacados li{padding:7px 0;border-bottom:1px solid var(--line);font-size:.96rem}
.rejilla{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.rejilla .tile{aspect-ratio:1/1}
.rejilla .tile.video{aspect-ratio:auto;grid-row:span 2}
.rejilla .tile.video video{position:absolute;inset:0}
@media (max-width:860px){.proyecto{grid-template-columns:1fr}.proyecto-head{position:static}}
@media (max-width:520px){.rejilla{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}}

/* Foto ampliada */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center;padding:clamp(12px,3vw,40px)}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;max-width:min(1100px,100%);max-height:100%;display:flex;flex-direction:column;align-items:center;gap:12px}
.lightbox img{max-height:calc(100vh - 120px);max-height:calc(100dvh - 120px);width:auto;max-width:100%;object-fit:contain;border-radius:2px}
.lightbox figcaption{color:#e8eef0;font-size:.95rem;text-align:center}
.lb-btn{position:absolute;background:rgba(255,255,255,.14);color:#fff;border:0;border-radius:999px;width:48px;height:48px;font-size:1.6rem;cursor:pointer;line-height:1}
.lb-btn:hover{background:rgba(255,255,255,.28)}
.lb-close{top:calc(env(safe-area-inset-top,0px) + 14px);right:14px}
.lb-prev{left:14px;top:50%;transform:translateY(-50%)}
.lb-next{right:14px;top:50%;transform:translateY(-50%)}

/* ---------- Precio ---------- */
.calc-form fieldset{border:0;margin:0;padding:0;min-width:0}
.calc-form legend{font-family:var(--serif);color:var(--ink);font-size:1.3rem;margin-bottom:12px;padding:0}
.calc-form legend.small{font-size:1.1rem;margin-bottom:8px}
.estilos-cuadros{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.sq{position:relative;display:block}
.sq input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer;z-index:1}
.sq input:disabled{cursor:not-allowed}
.sq-body{display:block}
.sq-img{display:block;position:relative;aspect-ratio:1/1;border-radius:3px;overflow:hidden;transition:box-shadow .15s}
.sq-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:var(--pos,50% 50%)}
.sq input:checked+.sq-body .sq-img{box-shadow:0 0 0 3px var(--bg),0 0 0 5px var(--ink)}
.sq input:focus-visible+.sq-body .sq-img{outline:2px solid var(--accent-deep);outline-offset:4px}
.sq input:disabled+.sq-body{opacity:.45}
.sq strong{display:block;font-family:var(--serif);font-weight:500;font-size:1.1rem;color:var(--ink);margin-top:12px;line-height:1.2}
.sq small{display:block;font-size:.88rem;line-height:1.4;margin-top:3px}
.notice{font-size:.95rem;margin:14px 0 0;color:var(--accent-deep);font-weight:500;min-height:1.2em}
@media (max-width:760px){
  .estilos-cuadros{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;padding:6px 6px 12px;margin:0 -6px;-webkit-overflow-scrolling:touch}
  .sq{flex:0 0 46%;scroll-snap-align:start}
}
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,400px);gap:clamp(24px,4vw,56px);align-items:start;margin-top:clamp(28px,4vw,44px)}
.calc-row{display:flex;flex-wrap:wrap;gap:20px 36px;margin-bottom:28px}
.seg{display:inline-flex;flex-wrap:wrap;border:1.5px solid var(--line-strong);border-radius:999px;padding:2px;gap:2px;background:var(--panel)}
.seg label{position:relative}
.seg input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.seg input:disabled{cursor:not-allowed}
.seg span{display:block;padding:.35em 1em;border-radius:999px;color:var(--text);font-size:.92rem}
.seg input:checked+span{background:var(--btn-bg);color:var(--btn-fg)}
.seg input:focus-visible+span{outline:2px solid var(--accent-deep);outline-offset:2px}
.seg input:disabled+span{opacity:.4}
.hint{font-size:.9rem;margin:10px 0 0;max-width:34ch;line-height:1.45}
.medidas{display:flex;flex-wrap:wrap;gap:16px;align-items:end}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:.95rem}
.field input[type=text],.field input[type=email],.field textarea{font:inherit;color:var(--ink);background:var(--panel);border:1.5px solid var(--line-strong);border-radius:4px;padding:.65em .85em;min-width:0;width:100%}
.medidas .field input[type=text]{width:7.5em}
.field textarea{min-height:130px;resize:vertical}
.times{padding-bottom:.7em}
.area-out{padding-bottom:.65em;font-size:.98rem}
.calc-result{background:var(--panel);border-radius:4px;padding:clamp(22px,3vw,34px);position:sticky;top:calc(env(safe-area-inset-top,0px) + 92px);border-top:4px solid var(--primary);box-shadow:0 0 0 1px var(--line)}
.calc-result h3{margin-bottom:6px}
.calc-result .sub{margin:0 0 4px;font-size:.98rem}
.totales{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0 6px}
.totales div{background:var(--bg-alt);border-radius:4px;padding:14px 16px;display:flex;flex-direction:column;gap:2px}
.totales span{font-size:.9rem}
.totales strong{font-family:var(--serif);font-weight:500;font-size:clamp(1.6rem,3vw,2.1rem);line-height:1.1;color:var(--ink)}
.iva{font-size:.9rem;margin:6px 0 16px}
.avisos{margin:0 0 20px;padding:0 0 0 1.1em;font-size:.93rem}
.avisos li{margin-bottom:6px}
.res-actions{display:grid;gap:10px}
.fine{font-size:.88rem;margin:16px 0 0}
.error{color:var(--ink);font-weight:500}
@media (max-width:960px){.calc{grid-template-columns:1fr}.calc-result{position:static}}

/* ---------- Contacto (página) ---------- */
.contact-page{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,7vw,110px);align-items:start}
.contact-list{margin:32px 0 0;padding:0;list-style:none;border-top:1px solid var(--line-strong)}
.contact-list li{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.contact-list a{color:var(--ink);text-underline-offset:4px}
.contact-list a:hover{color:var(--accent-deep)}
.form-card{background:var(--panel);padding:clamp(24px,3.5vw,40px);border-radius:4px;border-top:4px solid var(--primary);box-shadow:0 0 0 1px var(--line)}
.form-card h3{margin-bottom:6px}
.form-card .field{margin-top:18px}
.form-card .res-actions{margin-top:24px}
.need{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(20px,3vw,40px);margin-top:clamp(56px,8vw,96px);padding:0;list-style:none}
.need li{border-top:1.5px solid var(--ink);padding-top:18px}
.need h3{font-size:1.35rem;margin-bottom:8px}
.need p{margin:0;font-size:.98rem}
@media (max-width:960px){.need{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){.contact-page{grid-template-columns:1fr}}
@media (max-width:480px){.need{grid-template-columns:1fr}}

/* ---------- Sección de contacto (bloque oscuro) y pie ---------- */
.contact-dark{background:var(--block-bg);color:#fff;padding-block:clamp(72px,10vw,130px)}
.contact-dark h2{color:#fff;max-width:14ch}
.contact-dark .script{color:var(--primary);font-size:2.6rem;display:block;margin-bottom:6px}
.cd-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,7vw,110px);align-items:start}
.contact-dark p{color:rgba(255,255,255,.88)}
.contact-dark .btn{background:#fff;color:#000;border-color:#fff}
.contact-dark .btn:hover{background:var(--primary);border-color:var(--primary)}
.contact-dark .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.contact-dark .btn-ghost:hover{background:#fff;color:#000}
.clist-dark{margin:0;padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.4)}
.clist-dark li{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.22);flex-wrap:wrap}
.clist-dark span{color:rgba(255,255,255,.72)}
.clist-dark a{color:#fff;text-underline-offset:4px}
.clist-dark a:hover{color:var(--primary)}
.contact-dark .cta-row{margin-top:30px}
@media (max-width:860px){.cd-grid{grid-template-columns:1fr}}
footer.site-footer{position:relative;z-index:5;clear:both;background:var(--block-bg);color:rgba(255,255,255,.75);padding:0 0 calc(36px + env(safe-area-inset-bottom,0px));font-size:.92rem}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;border-top:1px solid rgba(255,255,255,.22);padding-top:26px}
.foot-in img{height:34px;width:auto}
.foot-in a{color:#fff}
noscript p{padding:20px;text-align:center}

/* Desplazamiento suave entre secciones */
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}