:root{
  --ink:#0B1422; --ink-2:#121e30; --paper:#F3F0E8; --paper-2:#EAE5D9; --accent:#C9A55A; --steel:#8FA3B8;
  --line:rgba(11,20,34,.12); --line-d:rgba(232,238,245,.12);
  --f-display:"Instrument Serif",Georgia,serif; --f-body:"Inter Tight",system-ui,sans-serif; --f-mono:"JetBrains Mono",ui-monospace,monospace;
  --r:14px; --ease:cubic-bezier(.2,.7,.1,1); --max:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--f-body);background:var(--paper);color:var(--ink);line-height:1.55;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;cursor:pointer}
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(18px,4vw,40px)}
.mono{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase}
.serif{font-family:var(--f-display);font-weight:400}
.muted{opacity:.68}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;gap:.6em;padding:.95em 1.4em;border-radius:999px;border:1px solid transparent;text-decoration:none;font-weight:600;font-size:.95rem;transition:transform .3s var(--ease),background .3s,color .3s,border-color .3s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:1.1em;height:1.1em}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#e0bf72}
.btn-ghost{border-color:currentColor;background:transparent}
.btn-ghost:hover{background:currentColor}
.btn-ghost:hover span{color:var(--ink)}
.on-paper .btn-ghost:hover span{color:var(--paper)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-light{background:var(--paper);color:var(--ink)}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .4s,backdrop-filter .4s,border-color .4s;border-bottom:1px solid transparent;color:var(--paper)}
.nav.scrolled{background:rgba(11,20,34,.82);backdrop-filter:blur(14px) saturate(140%);border-color:var(--line-d)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:40px;height:40px;border-radius:10px;object-fit:contain}
.brand b{white-space:nowrap;font-family:var(--f-display);font-weight:400;font-size:1.5rem;letter-spacing:.01em;line-height:1}
.brand small{display:block;font-family:var(--f-mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;opacity:.6;margin-top:3px}
.nav-links{display:flex;gap:26px;list-style:none}
.nav-links a{white-space:nowrap;text-decoration:none;font-size:.88rem;opacity:.8;transition:opacity .2s}
.nav-links a:hover{opacity:1}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-cta .btn{padding:.7em 1.1em;font-size:.85rem}
.burger{display:none;background:none;border:0;color:inherit;width:44px;height:44px}
.burger span{display:block;height:1.5px;background:currentColor;margin:6px 10px;transition:.3s}
@media (max-width:1180px){
  .nav-links{position:fixed;inset:74px 0 auto;flex-direction:column;gap:0;background:var(--ink);padding:10px 24px 28px;transform:translateY(-130%);transition:transform .45s var(--ease);border-bottom:1px solid var(--line-d)}
  .nav-links a{display:block;padding:14px 0;border-bottom:1px solid var(--line-d);font-size:1.05rem}
  .nav.open .nav-links{transform:none}
  .burger{display:block}
  .nav-cta .hide-m{display:none}
}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:var(--paper);padding:150px 0 70px;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:
  radial-gradient(900px 500px at 85% 10%,rgba(143,163,184,.22),transparent 60%),
  radial-gradient(700px 400px at 0% 100%,rgba(201,165,90,.12),transparent 60%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(var(--line-d) 1px,transparent 1px),linear-gradient(90deg,var(--line-d) 1px,transparent 1px);background-size:80px 80px;mask-image:radial-gradient(ellipse at 70% 30%,#000 10%,transparent 70%);opacity:.5}
.hero-media{position:absolute;inset:0;z-index:-1}
.hero-media img,.hero-media video{width:100%;height:100%;object-fit:cover;opacity:.28}
.hero-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:60px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--steel)}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--accent)}
.hero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(3rem,7.4vw,6.6rem);line-height:.95;letter-spacing:-.02em;margin:22px 0 26px}
.hero h1 em{display:block;color:var(--accent);font-style:italic}
.hero p.lead{font-size:clamp(1rem,1.3vw,1.15rem);max-width:58ch;opacity:.78}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:64px;border-top:1px solid var(--line-d)}
.stat{padding:22px 18px 0 0}
.stat + .stat{padding-left:22px;border-left:1px solid var(--line-d)}
.stat b{display:block;font-family:var(--f-display);font-weight:400;font-size:clamp(2rem,3.4vw,3rem);line-height:1}
.stat span{font-size:.82rem;opacity:.6}

/* dossier */
.dossier{position:relative;height:470px;perspective:1400px}
.sheet{position:absolute;inset:0;margin:auto;width:min(360px,92%);height:440px;border-radius:12px;background:linear-gradient(180deg,#fbfaf6,#efebe1);color:var(--ink);box-shadow:0 40px 80px -30px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.06);padding:26px;transform-origin:50% 100%;transition:transform .8s var(--ease)}
.sheet.s3{transform:rotate(-9deg) translate(-36px,10px);opacity:.55}
.sheet.s2{transform:rotate(-4deg) translate(-16px,4px);opacity:.8}
.sheet.s1{transform:rotate(3deg);animation:float 7s ease-in-out infinite}
.dossier:hover .s1{transform:rotate(0) translateY(-8px)}
.dossier:hover .s3{transform:rotate(-14deg) translate(-70px,10px)}
@keyframes float{50%{translate:0 -10px}}
.sheet .head{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:16px}
.sheet h4{font-family:var(--f-display);font-weight:400;font-size:1.65rem;line-height:1.05;margin-bottom:14px}
.sheet .row{display:flex;justify-content:space-between;font-size:.8rem;padding:9px 0;border-bottom:1px dashed var(--line)}
.sheet .row b{font-weight:600}
.sheet .bars{display:flex;align-items:flex-end;gap:6px;height:64px;margin:18px 0}
.sheet .bars i{flex:1;background:var(--ink);border-radius:3px 3px 0 0;opacity:.85;transform-origin:bottom;animation:grow 1.4s var(--ease) both}
.sheet .bars i:nth-child(odd){background:var(--steel)}
@keyframes grow{from{transform:scaleY(0)}}
.stamp{position:absolute;right:18px;bottom:64px;width:104px;height:104px;border-radius:50%;border:2px solid #a2443a;color:#a2443a;display:grid;place-items:center;text-align:center;font-family:var(--f-mono);font-size:.55rem;letter-spacing:.1em;line-height:1.5;transform:rotate(-14deg);opacity:.85}
.stamp b{font-size:.95rem;display:block;letter-spacing:.04em}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr}.dossier{height:420px;margin-top:20px}}

/* ---------- marquee ---------- */
.marquee{background:var(--ink);color:var(--steel);border-top:1px solid var(--line-d);overflow:hidden;padding:22px 0}
.marquee-track{display:flex;gap:56px;width:max-content;animation:marq 40s linear infinite}
.marquee span{display:inline-flex;align-items:center;gap:56px;white-space:nowrap}
.marquee span::after{content:"✦";color:var(--accent);font-size:.7rem}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- secciones ---------- */
section{padding:clamp(80px,11vw,140px) 0;position:relative}
section.dark{background:var(--ink);color:var(--paper)}
section.alt{background:var(--paper-2)}
.sec-head{display:grid;grid-template-columns:auto 1fr;gap:22px 60px;align-items:end;margin-bottom:56px}
.sec-head .num{grid-row:span 2;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;align-self:start;padding-top:14px;opacity:.55}
.sec-head h2{font-family:var(--f-display);font-weight:400;font-size:clamp(2.4rem,5vw,4.4rem);line-height:1;letter-spacing:-.02em}
.sec-head h2 em{color:var(--accent);font-style:italic}
.sec-head p{max-width:60ch;opacity:.7}
@media (max-width:720px){.sec-head{grid-template-columns:1fr}.sec-head .num{grid-row:auto}}

/* servicios */
.services{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.svc{padding:30px 26px 34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;transition:background .4s var(--ease),color .4s;min-height:300px;display:flex;flex-direction:column}
.svc:hover{background:var(--ink);color:var(--paper)}
.svc .ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--ink);color:var(--accent);margin-bottom:26px;transition:background .4s}
.svc:hover .ico{background:var(--accent);color:var(--ink)}
.svc .ico svg{width:22px;height:22px}
.svc .idx{position:absolute;top:30px;right:26px;opacity:.4}
.svc h3{font-family:var(--f-display);font-weight:400;font-size:1.7rem;line-height:1.05;margin-bottom:12px}
.svc p{font-size:.9rem;opacity:.72;flex:1}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.tag{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 9px;border-radius:999px;border:1px solid currentColor;opacity:.6}
@media (max-width:1020px){.services{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.services{grid-template-columns:1fr}.svc{min-height:0}}

/* proceso */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{padding:28px;border:1px solid var(--line-d);border-radius:var(--r);position:relative;background:rgba(255,255,255,.02)}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--f-display);font-size:3.6rem;line-height:1;color:var(--accent);display:block;margin-bottom:30px}
.step h3{font-size:1.15rem;margin-bottom:8px}
.step p{font-size:.9rem;opacity:.68}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* cotizador */
.quote{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:24px;overflow:hidden;background:var(--ink);color:var(--paper);box-shadow:0 50px 100px -50px rgba(11,20,34,.6)}
.quote-l{padding:clamp(28px,5vw,56px)}
.quote-r{padding:clamp(28px,5vw,56px);background:linear-gradient(160deg,#16243a,#0b1422);border-left:1px solid var(--line-d);display:flex;flex-direction:column;justify-content:space-between}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 26px}
.chip{border:1px solid var(--line-d);background:transparent;color:inherit;padding:.6em 1em;border-radius:999px;font-size:.88rem;transition:.25s}
.chip:hover{border-color:var(--steel)}
.chip.on{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.range{font-family:var(--f-display);font-size:clamp(2.2rem,4.4vw,3.8rem);line-height:1;margin:14px 0}
.quote .note{font-size:.8rem;opacity:.55;margin-top:14px}
@media (max-width:860px){.quote{grid-template-columns:1fr}.quote-r{border-left:0;border-top:1px solid var(--line-d)}}

/* trabajos */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.on-paper .chip{border-color:var(--line);color:var(--ink)}
.on-paper .chip.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.work{background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .5s var(--ease),box-shadow .5s}
.work:hover{transform:translateY(-6px);box-shadow:0 30px 60px -30px rgba(11,20,34,.35)}
.work .cover{aspect-ratio:16/10;background:var(--ink);position:relative;overflow:hidden;color:var(--paper)}
.work .cover img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.work:hover .cover img{transform:scale(1.05)}
.work .cover .ph{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;padding:20px;background:
  repeating-linear-gradient(135deg,rgba(255,255,255,.03) 0 2px,transparent 2px 12px),linear-gradient(150deg,#1a2a42,#0b1422)}
.work .cover .ph b{font-family:var(--f-display);font-weight:400;font-size:3.2rem;line-height:1;color:var(--accent)}
.work .code{position:absolute;top:14px;left:14px;background:rgba(11,20,34,.85);color:var(--paper);padding:5px 10px;border-radius:999px;backdrop-filter:blur(6px)}
.work .body{padding:22px;display:flex;flex-direction:column;gap:8px;flex:1}
.work h3{font-size:1.08rem;line-height:1.3}
.work p{font-size:.88rem;opacity:.7;flex:1}
.work .meta{display:flex;justify-content:space-between;gap:10px;opacity:.6;padding-top:12px;border-top:1px solid var(--line)}
.work a.pdf{font-weight:600;font-size:.85rem;color:var(--ink)}
@media (max-width:980px){.works{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.works{grid-template-columns:1fr}}

/* ledger (avalúos / contratos) */
.ledger{border-top:1px solid currentColor}
.ledger .li{display:grid;grid-template-columns:110px 1.6fr 1fr 1fr 130px;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:padding .35s var(--ease),background .35s}
.dark .ledger .li{border-color:var(--line-d)}
.ledger .li:hover{padding-left:14px;padding-right:14px;background:rgba(201,165,90,.08)}
.ledger .li .t{font-family:var(--f-display);font-size:1.5rem;line-height:1.1}
.ledger .li img{width:110px;height:74px;object-fit:cover;border-radius:8px}
.ledger .li .thumb{width:110px;height:74px;border-radius:8px;background:linear-gradient(150deg,#1a2a42,#0b1422);display:grid;place-items:center;color:var(--accent)}
.badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:#4caf7a;box-shadow:0 0 0 4px rgba(76,175,122,.18)}
.badge.wait::before{background:var(--accent);box-shadow:0 0 0 4px rgba(201,165,90,.2)}
.contracts .li{grid-template-columns:1.2fr 2fr 120px 90px}
@media (max-width:820px){.ledger .li,.contracts .li{grid-template-columns:1fr;gap:6px}.ledger .li img,.ledger .li .thumb{display:none}}

/* videos / instagram */
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.vid{border-radius:var(--r);overflow:hidden;background:#000;aspect-ratio:16/9;position:relative}
.vid iframe,.vid video{width:100%;height:100%;border:0;object-fit:cover}
.vid-cap{margin-top:10px;font-size:.9rem;opacity:.8}
.ig-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.ig{position:relative;aspect-ratio:1;border-radius:10px;overflow:hidden;background:var(--ink);display:block}
.ig img,.ig video{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease),filter .5s}
.ig:hover img{transform:scale(1.06);filter:brightness(.6)}
.ig .cap{position:absolute;inset:auto 0 0;padding:14px;color:#fff;font-size:.8rem;opacity:0;transform:translateY(10px);transition:.4s var(--ease);background:linear-gradient(transparent,rgba(0,0,0,.7))}
.ig:hover .cap{opacity:1;transform:none}
.ig.embed{aspect-ratio:auto;background:none}
.empty{border:1px dashed currentColor;border-radius:var(--r);padding:40px;text-align:center;opacity:.55}
@media (max-width:860px){.media-grid{grid-template-columns:1fr}.ig-grid{grid-template-columns:repeat(2,1fr)}}

/* equipo */
.team{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.member{display:grid;grid-template-columns:120px 1fr;gap:22px;padding:26px;border-radius:var(--r);background:#fff;border:1px solid var(--line)}
.member .ph{width:120px;height:150px;border-radius:10px;object-fit:cover;background:linear-gradient(150deg,#1a2a42,#0b1422);display:grid;place-items:center;color:var(--accent);font-family:var(--f-display);font-size:2.6rem}
.member h3{font-family:var(--f-display);font-weight:400;font-size:1.6rem;line-height:1.05}
.member .role{color:#8a6b2c;margin:6px 0 10px}
.member p{font-size:.88rem;opacity:.72}
@media (max-width:480px){.member{grid-template-columns:1fr}}

/* verificar */
.verify{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.verify form{display:flex;gap:10px;background:rgba(255,255,255,.05);border:1px solid var(--line-d);border-radius:999px;padding:8px}
.verify input{flex:1;background:none;border:0;color:inherit;font:inherit;padding:0 18px;font-family:var(--f-mono);letter-spacing:.06em;text-transform:uppercase;min-width:0}
.verify input:focus{outline:none}
.verify .result{margin-top:18px;padding:20px;border-radius:var(--r);border:1px solid var(--line-d);display:none}
.verify .result.show{display:block;animation:in .5s var(--ease)}
.raa{padding:30px;border-radius:20px;background:linear-gradient(160deg,#16243a,#0b1422);border:1px solid var(--line-d)}
.raa h3{font-family:var(--f-display);font-weight:400;font-size:2rem;margin:8px 0 10px}
@keyframes in{from{opacity:0;transform:translateY(8px)}}
@media (max-width:860px){.verify{grid-template-columns:1fr}}

/* faq */
.faq{max-width:900px}
.faq details{border-bottom:1px solid var(--line);padding:24px 0}
.faq summary{list-style:none;display:flex;justify-content:space-between;gap:20px;cursor:pointer;font-family:var(--f-display);font-size:clamp(1.3rem,2.2vw,1.8rem);line-height:1.2}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-body);font-weight:300;transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:12px;opacity:.72;max-width:70ch}

/* contacto */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:56px}
.contact .info{display:flex;flex-direction:column;gap:22px}
.contact .info a,.contact .info div{display:block;text-decoration:none;padding-bottom:18px;border-bottom:1px solid var(--line-d)}
.contact .info b{display:block;font-family:var(--f-display);font-weight:400;font-size:1.6rem;margin-top:4px}
form.lead{display:grid;grid-template-columns:1fr 1fr;gap:14px}
form.lead .full{grid-column:1/-1}
form.lead label{display:flex;flex-direction:column;gap:6px;font-size:.8rem;opacity:.85}
form.lead input,form.lead select,form.lead textarea{font:inherit;color:inherit;background:rgba(255,255,255,.05);border:1px solid var(--line-d);border-radius:12px;padding:14px 16px;transition:border-color .2s}
form.lead select option{color:var(--ink)}
form.lead input:focus,form.lead select:focus,form.lead textarea:focus{outline:none;border-color:var(--accent)}
form.lead textarea{min-height:120px;resize:vertical}
.form-msg{font-size:.9rem}
@media (max-width:860px){.contact{grid-template-columns:1fr}form.lead{grid-template-columns:1fr}}

/* footer */
footer{background:#070d17;color:var(--paper);padding:80px 0 40px}
.foot-big{font-family:var(--f-display);font-size:clamp(3.4rem,13vw,12rem);line-height:.85;letter-spacing:-.03em;opacity:.95}
.foot-big em{color:var(--accent)}
.foot-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;margin-top:50px;padding-top:26px;border-top:1px solid var(--line-d);font-size:.85rem;opacity:.7}
.foot-row a{text-decoration:none;margin-right:18px}

/* flotantes */
.float-btns{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.float-btns .btn{box-shadow:0 14px 30px -10px rgba(0,0,0,.45)}
.wa{background:#25D366;color:#06301a}
.install{position:fixed;left:18px;bottom:18px;z-index:61;max-width:360px;background:var(--paper);color:var(--ink);border-radius:18px;padding:16px;display:none;gap:14px;align-items:center;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);border:1px solid var(--line)}
.install.show{display:flex;animation:in .5s var(--ease)}
.install img{width:52px;height:52px;border-radius:12px}
.install b{display:block;font-size:.95rem}
.install p{font-size:.8rem;opacity:.7}
.install .x{background:none;border:0;font-size:1.2rem;opacity:.5;align-self:flex-start}
.ios-tip{position:fixed;inset:0;z-index:80;background:rgba(7,13,23,.7);display:none;place-items:end center;padding:20px;backdrop-filter:blur(4px)}
.ios-tip.show{display:grid}
.ios-tip div{background:var(--paper);color:var(--ink);border-radius:20px;padding:24px;max-width:420px}
@media (max-width:560px){.install{right:18px;max-width:none;bottom:84px}}

/* custom buttons inline */
.custom-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}

/* lightbox */
.lb{position:fixed;inset:0;z-index:90;background:rgba(7,13,23,.92);display:none;place-items:center;padding:30px}
.lb.show{display:grid}
.lb img{max-height:88vh;border-radius:12px}
.on-paper .quote .chip{color:var(--paper);border-color:var(--line-d)}
.on-paper .quote .chip.on{background:var(--accent);color:var(--ink);border-color:var(--accent)}