/* Concepto: despacho clásico. Azul noche y marfil como dos estancias, líneas finas de latón apagado como únicos adornos, serif de contraste para titulares y sans discreta para el texto. */
:root{
  --navy:#0A1128; --navy-2:#111b38; --olive:#4A5D4E; --ivory:#F8F9FA; --paper:#EEF0EB; --white:#fff;
  --ink:#0A1128; --muted:#4b5361; --line:#d6dad3; --line-dark:#ffffff1f;
  --brass:#B39B68; --brass-on-dark:#C9B484; --brass-on-light:#7A6636; --muted-dark:#b7bfcc;
  --display:'Cormorant Garamond','Cormorant',Georgia,'Times New Roman',serif;
  --body:'Hanken Grotesk','Helvetica Neue',Arial,sans-serif;
  --gutter:clamp(20px,5vw,56px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.7;font-weight:400;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,p,ul{margin-top:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brass);outline-offset:4px}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.skip{position:absolute;left:12px;top:-60px;background:var(--navy);color:var(--ivory);padding:10px 16px;z-index:50;text-decoration:none}
.skip:focus{top:12px}
.wrap{max-width:1240px;margin-inline:auto;padding-left:max(var(--gutter),env(safe-area-inset-left,0px));padding-right:max(var(--gutter),env(safe-area-inset-right,0px))}

/* Tipografía */
.eyebrow{font-size:12px;font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--brass-on-light);margin-bottom:22px;display:flex;align-items:center;gap:16px}
.eyebrow:before{content:'';width:34px;height:1px;background:currentColor;flex:none}
.on-dark .eyebrow,.dark .eyebrow{color:var(--brass-on-dark)}
h1,h2,h3{font-family:var(--display);font-weight:400;text-wrap:balance}
h1{font-size:clamp(46px,6.6vw,96px);line-height:1.0;letter-spacing:-.012em;margin-bottom:30px}
h2{font-size:clamp(38px,4.6vw,64px);line-height:1.05;letter-spacing:-.01em;margin-bottom:26px}
h3{font-size:clamp(26px,2.4vw,34px);line-height:1.15;margin-bottom:14px}
em{font-style:italic}
h1 em,h2 em{color:var(--olive)}
.dark h1 em,.dark h2 em{color:var(--brass-on-dark)}
.lead{font-size:19px;line-height:1.7;color:var(--muted);max-width:34em}
.dark .lead,.dark p{color:var(--muted-dark)}
.fine{font-size:13.5px;line-height:1.6;color:var(--muted)}
.dark .fine{color:var(--muted-dark)}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:52px;padding:0 30px;background:var(--navy);color:var(--ivory);border:1px solid var(--navy);font-size:12.5px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;text-decoration:none;cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.btn:hover{background:var(--olive);border-color:var(--olive)}
.btn.brass{background:var(--brass-on-dark);border-color:var(--brass-on-dark);color:var(--navy)}
.btn.brass:hover{background:var(--ivory);border-color:var(--ivory)}
.btn.ghost{background:transparent;color:inherit;border-color:currentColor}
.btn.ghost:hover{background:var(--navy);color:var(--ivory);border-color:var(--navy)}
.dark .btn.ghost:hover{background:var(--ivory);color:var(--navy);border-color:var(--ivory)}
.link{font-size:12.5px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;text-decoration:none;border-bottom:1px solid var(--brass);padding-bottom:5px}
.link:hover{border-color:currentColor}

/* Encabezado */
body:before{content:'';position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--ivory);z-index:30}
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(248,249,250,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:88px}
.logo{display:block;flex:none}
.logo img{height:54px;width:auto}
.menu{display:flex;align-items:center;gap:38px}
.menu a:not(.btn){font-size:12.5px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;text-decoration:none;padding:6px 0;border-bottom:1px solid transparent}
.menu a:not(.btn):hover{border-color:var(--brass)}
.menu .btn{min-height:44px;padding:0 22px}
.burger{display:none;background:none;border:1px solid var(--line);width:48px;height:48px;cursor:pointer;position:relative}
.burger i,.burger i:before,.burger i:after{content:'';position:absolute;left:14px;right:14px;height:1px;background:var(--navy)}
.burger i{top:23px}.burger i:before{left:0;right:0;top:-6px}.burger i:after{left:0;right:0;top:6px}

/* Hero */
.dark{background:var(--navy);color:var(--ivory)}
.hero{position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:clamp(40px,6vw,96px);align-items:center;padding-block:clamp(72px,10vw,132px)}
.hero p.lead{margin-bottom:40px}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px 34px}
.hero-note{margin:38px 0 0;padding-top:22px;border-top:1px solid var(--line-dark);font-size:13.5px;color:var(--muted-dark);max-width:30em}
.hero-note b{font-weight:500;color:var(--brass-on-dark)}
.plate{position:relative;border:1px solid #b39b6866;padding:14px;max-width:420px;width:100%;margin-left:auto}
.plate-inner{border:1px solid #b39b6838;background:var(--navy-2);aspect-ratio:4/5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:34px;padding:30px;text-align:center}
.plate img{width:44%}
.plate-cap{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--brass-on-dark);line-height:2.1}
.plate-cap span{display:block;color:var(--muted-dark);letter-spacing:.14em;font-size:10.5px;line-height:1.9;margin-top:10px;text-transform:uppercase}

/* Franja de garantías */
.strip{border-bottom:1px solid var(--line)}
.strip ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.strip li{padding:30px 26px;font-size:14px;line-height:1.55;color:var(--muted);border-left:1px solid var(--line)}
.strip li:first-child{border-left:0;padding-left:0}
.strip b{display:block;font-family:var(--display);font-weight:500;font-size:22px;line-height:1.2;color:var(--ink);margin-bottom:6px}

section.block{padding-block:clamp(72px,10vw,128px)}
.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:clamp(40px,7vw,110px);align-items:start}
.sticky{position:sticky;top:130px}

/* Servicios */
.svc{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(20px,4vw,56px);padding:44px 0;border-top:1px solid var(--line)}
.svc:last-child{border-bottom:1px solid var(--line)}
.svc h3{margin:0}
.svc p{color:var(--muted);margin-bottom:0}
.tag{display:inline-block;margin-bottom:18px;font-size:11.5px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--brass-on-light)}
.incl{list-style:none;padding:0;margin:26px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
.incl li{font-size:14.5px;line-height:1.5;padding:12px 0 12px 22px;border-top:1px solid var(--line);position:relative;color:var(--ink)}
.incl li:before{content:'';position:absolute;left:0;top:23px;width:10px;height:1px;background:var(--brass)}
.terms{margin-top:22px}

/* Proyecto */
.project{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(36px,6vw,90px);align-items:center;margin-top:56px}
.frame{border:1px solid #b39b6866;padding:14px}
.frame-inner{border:1px solid #b39b6838;background:var(--ivory);color:var(--navy);min-height:340px;display:flex;flex-direction:column;justify-content:space-between;padding:clamp(28px,4vw,48px)}
.frame-inner .k{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--brass-on-light)}
.frame-inner strong{font-family:var(--display);font-weight:500;font-size:clamp(54px,7vw,92px);line-height:1;letter-spacing:-.02em;margin-block:28px}
.frame-inner small{font-size:13px;letter-spacing:.12em;color:var(--muted)}
.project h3{color:var(--ivory)}

/* Trabajo reciente */
.work{background:var(--paper)}
.case{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(20px,4vw,56px);padding:44px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.case h3{margin:0}
.case p{color:var(--muted);margin-bottom:0}
.case dl{display:grid;grid-template-columns:130px minmax(0,1fr);margin:28px 0 0}
.case dt{font-size:11.5px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--brass-on-light);padding:14px 0;border-top:1px solid var(--line)}
.case dd{margin:0;padding:11px 0;border-top:1px solid var(--line);font-size:15.5px}

/* Proceso */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(28px,4vw,56px);margin-top:64px}
.step{border-top:1px solid var(--brass);padding-top:26px}
.step .n{font-family:var(--display);font-style:italic;font-size:44px;line-height:1;color:var(--olive);display:block;margin-bottom:22px}
.step p{color:var(--muted);margin:0;font-size:16px}

/* Sobre */
.about{background:var(--paper)}
.about p{color:var(--muted)}
.about strong{font-weight:500;color:var(--ink)}
.sign{margin-top:34px;padding-top:24px;border-top:1px solid var(--brass);display:flex;flex-direction:column;gap:2px}
.sign b{font-family:var(--display);font-weight:500;font-size:30px;line-height:1.2}
.sign span{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--brass-on-light)}

/* Preguntas */
details{border-top:1px solid var(--line);padding:24px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;font-family:var(--display);font-size:26px;line-height:1.25}
summary::-webkit-details-marker{display:none}
summary:after{content:'+';font-family:var(--body);font-weight:300;font-size:26px;line-height:1;color:var(--brass-on-light);flex:none}
details[open] summary:after{content:'\2212'}
details p{margin:16px 0 0;color:var(--muted);max-width:38em;font-size:16px}

/* Contacto */
.contact-list{list-style:none;padding:0;margin:40px 0 0}
.contact-list li{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:18px 0;border-top:1px solid var(--line-dark);font-size:16px}
.contact-list li:last-child{border-bottom:1px solid var(--line-dark)}
.contact-list span{font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--brass-on-dark);padding-top:4px}
.contact-list a{color:var(--ivory);text-decoration:none;border-bottom:1px solid transparent;overflow-wrap:anywhere}
.contact-list a:hover{border-color:var(--brass)}
.formbox{background:var(--ivory);color:var(--ink);padding:clamp(26px,4vw,48px)}
.formbox .eyebrow{margin-bottom:14px}
.progress{display:flex;gap:8px;margin:0 0 28px}
.progress i{height:2px;flex:1;background:var(--line)}
.progress i.on{background:var(--brass)}
fieldset{border:0;padding:0;margin:0;min-width:0}
legend{font-family:var(--display);font-size:32px;line-height:1.2;margin-bottom:10px;padding:0}
label{display:block;font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;margin:22px 0 8px;color:var(--ink)}
input,select,textarea{width:100%;background:var(--white);border:1px solid #c7cdc4;border-radius:0;padding:14px;font-size:16px;color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:var(--olive);outline:none;box-shadow:0 0 0 3px #4a5d4e33}
textarea{resize:vertical;min-height:110px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.formactions{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:32px}
.back{background:none;border:0;border-bottom:1px solid var(--brass);padding:0 0 4px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;cursor:pointer}
.check{display:flex;gap:12px;align-items:flex-start;font-weight:400;letter-spacing:0;text-transform:none;font-size:14.5px;line-height:1.55}
.check input{width:auto;margin-top:5px;accent-color:var(--olive)}
.status{font-size:14px;margin:20px 0 0;color:var(--olive)}
#result{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
#result textarea{font-size:14px;min-height:240px;line-height:1.6}
#result .actions{margin-top:20px}
#result .btn.ghost{color:var(--ink)}

/* Pie */
footer{background:var(--navy);color:var(--muted-dark);padding-block:72px 40px}
.foot{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(0,.7fr));gap:48px}
.foot img{height:56px;width:auto;margin-bottom:22px}
.foot p{font-size:15px;max-width:24em;margin:0;color:var(--muted-dark)}
.foot h4{margin:0 0 18px;font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;font-weight:500;color:var(--brass-on-dark)}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.foot a{text-decoration:none;font-size:15px;color:var(--ivory)}
.foot a:hover{text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--brass)}
.legal{margin-top:56px;padding-top:26px;border-top:1px solid var(--line-dark);font-size:12.5px;line-height:1.7;display:grid;gap:12px}
.legal p{margin:0;max-width:62em;color:#9ba5b6}

@media(max-width:900px){
  .hero .wrap,.split,.project,.svc,.case{grid-template-columns:1fr}
  .plate{margin:0 auto;max-width:340px}
  .sticky{position:static}
  .strip ul{grid-template-columns:1fr 1fr}
  .strip li:nth-child(odd){border-left:0;padding-left:0}
  .strip li:nth-child(n+3){border-top:1px solid var(--line)}
  .steps{grid-template-columns:1fr;margin-top:44px}
  .foot{grid-template-columns:1fr 1fr}.foot>div:first-child{grid-column:1/-1}
}
@media(max-width:860px){
  .burger{display:block}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--ivory);border-bottom:1px solid var(--line);padding:8px max(var(--gutter),env(safe-area-inset-left,0px)) 24px}
  .menu.open{display:flex}
  .menu a:not(.btn){padding:18px 0;border-bottom:1px solid var(--line)}
  .menu .btn{margin-top:20px}
  .nav{min-height:76px;position:relative}
  .logo img{height:44px}
}
@media(max-width:560px){
  body{font-size:16px}
  .strip ul{grid-template-columns:1fr}
  .strip li{border-left:0!important;padding-left:0!important;border-top:1px solid var(--line)}
  .strip li:first-child{border-top:0}
  .incl,.row{grid-template-columns:1fr}
  .contact-list li{grid-template-columns:1fr;gap:2px}
  .case dl{grid-template-columns:1fr}.case dt{padding-bottom:0;border-bottom:0}.case dd{border-top:0;padding-top:2px}
  .foot{grid-template-columns:1fr}
  .btn{width:100%}
  .formactions .btn{width:auto;flex:1}
  summary{font-size:23px}
}
@media(prefers-reduced-motion:no-preference){
  .hero .wrap>*{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
  .hero .wrap>*:nth-child(2){animation-delay:.15s}
  @keyframes rise{from{opacity:.001;transform:translateY(14px)}to{opacity:1;transform:none}}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}