:root{--deep:#00122e;--navy:#001d47;--navy2:#0a2f6b;--blue:#2f6fff;--blue2:#6aa2ff;--ice:#eef3ff;--line:#d5e0f5;--ink:#0a1a38;--muted:#4b5e82;--r:18px;--ff:'Plus Jakarta Sans',system-ui,'Segoe UI',Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--ff);color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3,p,ul{margin:0}
h1,h2,h3,p,a,span,li,label,strong,small,button,b{overflow-wrap:anywhere;hyphens:auto}
.wrap{width:min(100% - 40px,1200px);margin-inline:auto;position:relative}
.grid{display:grid;gap:16px}.grid>*{min-width:0}
.box{position:relative;min-width:0;overflow:hidden;border-radius:var(--r);padding:clamp(20px,3vw,34px);background:#fff;border:1px solid var(--line)}
.box--glass{background:rgba(0,18,46,.74);border:1px solid rgba(255,255,255,.16);color:#fff;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.box--dark{background:var(--navy);border-color:#143a78;color:#fff}
h2{font-size:clamp(1.7rem,1rem + 2.6vw,3rem);line-height:1.08;font-weight:800;letter-spacing:-.03em;color:var(--navy)}
h3{font-size:clamp(1.1rem,1rem + .5vw,1.4rem);line-height:1.25;font-weight:800;letter-spacing:-.01em;color:var(--navy)}
.dk h2,.dk h3,.box--dark h3{color:#fff}
.lead{color:var(--muted);max-width:60ch;margin-top:14px;font-size:1.05rem}.dk .lead{color:#b9cdee}
.sec{padding-block:clamp(56px,8vw,110px)}.sec__head{max-width:720px;margin-bottom:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:10px 24px;border-radius:99px;border:1.5px solid transparent;font-weight:600;text-align:center;line-height:1.25;cursor:pointer;max-width:100%;transition:background .2s,transform .2s,border-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn--blue{background:var(--blue);color:#fff}.btn--blue:hover{background:#4a85ff}
.btn--ghost{border-color:rgba(255,255,255,.45);color:#fff}.btn--ghost:hover{background:rgba(255,255,255,.1)}
.btn--out{border-color:var(--navy);color:var(--navy)}.btn--out:hover{background:var(--ice)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--blue2);outline-offset:3px}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0}.chip{padding:4px 12px;border-radius:99px;background:var(--ice);color:var(--navy2);font-size:.8rem;font-weight:600}
/* header */
.site{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,box-shadow .3s}
.site.is-solid{background:rgba(0,18,46,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.1)}
.bar{display:flex;align-items:center;gap:20px;min-height:80px}.bar img{height:56px;width:auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{padding:8px 14px;border-radius:99px;color:#d3e0f7;font-weight:500;font-size:.95rem}.nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav .btn{min-height:44px;padding:8px 20px;margin-left:8px;color:#fff}
.burger{display:none;margin-left:auto;width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:transparent;cursor:pointer;align-items:center;justify-content:center}
.burger svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round}
/* hero */
.hero{position:relative;overflow:hidden;background:var(--deep);color:#fff;padding:clamp(120px,14vw,170px) 0 clamp(36px,5vw,64px)}
.hero__photo{position:absolute;top:0;right:0;bottom:0;width:52%;clip-path:polygon(16% 0,100% 0,100% 100%,0 100%)}
.hero__photo img{width:100%;height:100%;object-fit:cover}
.hero__photo::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,18,46,.55),transparent 55%)}
.hero__copy{max-width:min(100%,560px);display:flex;flex-direction:column;gap:24px;padding-bottom:clamp(40px,6vw,80px)}
.hero h1{font-size:clamp(2.2rem,1rem + 4vw,4.3rem);line-height:1.02;font-weight:800;letter-spacing:-.035em}
.hero h1 .l{display:block;animation:rise .9s cubic-bezier(.2,.7,.2,1) both}.hero h1 .l:nth-child(2){animation-delay:.12s;color:var(--blue2)}.hero h1 .l:nth-child(3){animation-delay:.24s}
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
.hero__copy p{color:#b9cdee;font-size:1.08rem;max-width:48ch;animation:rise .9s .36s both}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;animation:rise .9s .48s both}
.stats{grid-template-columns:repeat(3,minmax(0,1fr));position:relative;z-index:1}
.stat strong{display:block;font-size:clamp(1.9rem,1.2rem + 2vw,2.8rem);line-height:1;font-weight:800;color:#fff}
.stat p{margin-top:8px;color:#c4d5f1;font-size:.92rem}
/* servicios */
.svc{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:20px;align-items:start}
.tabs{display:grid;gap:10px}
.tab{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;text-align:left;padding:18px 20px;border-radius:var(--r);border:1px solid var(--line);background:#fff;cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.tab span{display:grid;gap:2px;min-width:0}.tab b{font-size:1.08rem;font-weight:800;color:var(--navy)}.tab small{color:var(--muted);font-size:.88rem}
.tab svg{flex:none;width:20px;height:20px;stroke:var(--blue);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tab:hover{border-color:var(--blue2)}
.tab[aria-selected=true]{background:var(--navy);border-color:var(--navy)}.tab[aria-selected=true] b{color:#fff}.tab[aria-selected=true] small{color:#b9cdee}.tab[aria-selected=true] svg{stroke:#fff}
.panel{padding:0;animation:fade .45s both}.panel[hidden]{display:none}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.panel__img{position:relative;aspect-ratio:16/10;background:var(--ice)}.panel__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.panel__body{padding:clamp(20px,3vw,32px);display:grid;gap:14px;justify-items:start}.panel__body p{color:var(--muted)}
/* nosotros */
.dk{background:var(--navy);color:#fff}
.about{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,64px);align-items:center}
.about__img{position:relative;border-radius:var(--r);overflow:hidden;min-height:380px}.about__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.about__txt{display:grid;gap:18px;justify-items:start}.about__txt p{color:#b9cdee}
.values{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:clamp(28px,4vw,48px)}
.values .box{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14)}.values p{margin-top:8px;color:#b9cdee}
.values svg{width:32px;height:32px;stroke:var(--blue2);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
/* proceso */
.steps{grid-template-columns:repeat(4,minmax(0,1fr));position:relative}
.steps::before{content:'';position:absolute;left:8%;right:8%;top:42px;height:2px;background:var(--line)}
.step{background:#fff}.step>b{position:relative;z-index:1;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;margin-bottom:16px}
.step p{margin-top:8px;color:var(--muted);font-size:.95rem}
/* proyectos */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.filter{padding:9px 18px;border-radius:99px;border:1.5px solid var(--line);background:#fff;font-weight:600;cursor:pointer;color:var(--navy)}
.filter[aria-pressed=true]{background:var(--navy);border-color:var(--navy);color:#fff}
.mosaic{grid-template-columns:repeat(12,minmax(0,1fr))}
.m{padding:0;text-align:left;cursor:pointer;display:flex;flex-direction:column;width:100%;font-weight:400;grid-column:span 6}
.m:nth-child(1),.m:nth-child(4){grid-column:span 5}.m:nth-child(2),.m:nth-child(3){grid-column:span 7}.m:nth-child(5),.m:nth-child(6){grid-column:span 6}
.mosaic.is-f .m{grid-column:span 6}.m[hidden]{display:none}
.m__img{position:relative;display:block;height:clamp(220px,26vw,330px);overflow:hidden;background:var(--ice)}
.m__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}.m:hover .m__img img{transform:scale(1.05)}
.m__cap{padding:16px 20px 18px;display:flex;flex-direction:column;gap:2px}.m__cap small{color:var(--blue);font-weight:700;font-size:.82rem}.m__cap strong{color:var(--navy);line-height:1.25;font-size:1.05rem}
dialog{border:0;padding:0;border-radius:var(--r);width:min(94vw,920px);max-height:92vh;background:#fff;overflow:hidden}
dialog::backdrop{background:rgba(0,10,30,.85)}dialog img{width:100%;max-height:74vh;object-fit:contain;background:var(--deep)}
.dlg__cap{padding:14px 60px 16px 20px}.dlg__x{position:absolute;top:10px;right:10px;width:42px;height:42px;border-radius:50%;border:0;background:#fff;color:var(--navy);font-size:1.5rem;cursor:pointer;line-height:1}
/* contacto */
.contact{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(20px,4vw,48px);align-items:start}
.people{display:grid;gap:10px;margin-top:24px}
.person{display:flex;flex-direction:column;gap:2px;padding:16px 18px;border-radius:14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16)}.person:hover{background:rgba(255,255,255,.13)}.person span{color:var(--blue2);font-weight:600}
.social{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:20px;color:#c4d5f1}.social a:hover{color:#fff}
.form{display:grid;gap:14px;color:var(--ink)}.dk .form h3{color:var(--navy)}
.field{display:grid;gap:6px;min-width:0}.field label{font-weight:600;font-size:.9rem;color:var(--navy)}
.field input,.field select,.field textarea{width:100%;min-width:0;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;background:#f8faff}
.field textarea{resize:vertical;min-height:108px}.note{font-size:.85rem;color:var(--muted)}
/* footer */
.foot{background:var(--deep);color:#b9cdee}
.foot__in{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:28px;padding-block:52px}
.foot img{height:84px;width:auto;margin-bottom:12px}.foot h3{color:#fff;font-size:1rem;margin-bottom:10px}.foot a{display:block;padding:3px 0}.foot a:hover{color:#fff}
.foot__end{border-top:1px solid rgba(255,255,255,.12);padding-block:18px;font-size:.85rem;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
.wa{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;background:#18b36b;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,10,30,.4)}
.wa svg{width:30px;height:30px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:1000px){
.hero__photo{position:relative;width:100%;height:300px;margin-top:8px;clip-path:polygon(0 14%,100% 0,100% 100%,0 100%)}.hero__photo::after{background:linear-gradient(0deg,rgba(0,18,46,.3),transparent)}
.hero__copy{padding-bottom:20px}.hero{padding-bottom:0}.stats{margin-top:-60px;margin-bottom:0;padding-bottom:36px}
.svc,.about,.contact{grid-template-columns:minmax(0,1fr)}.about__img{min-height:300px}
.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.steps::before{display:none}
.foot__in{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.foot__in>div:first-child{grid-column:1/-1}}
@media(max-width:860px){
.burger{display:flex}
.nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--deep);padding:8px 20px 22px;border-top:1px solid rgba(255,255,255,.12)}
.nav.is-open{display:flex}.nav a{padding:15px 8px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.1)}.nav .btn{margin:16px 0 0;border-bottom:0}
.mosaic{grid-template-columns:minmax(0,1fr)}.m,.m:nth-child(n),.mosaic.is-f .m{grid-column:auto}}
@media(max-width:620px){
.wrap{width:min(100% - 28px,1200px)}.stats,.values,.steps{grid-template-columns:minmax(0,1fr)}.stats{gap:10px;margin-top:-40px}
.bar img{height:48px}.hero__cta .btn{width:100%}.foot__in{grid-template-columns:minmax(0,1fr)}.hero__photo{height:240px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

/* Declaraciones existentes trasladadas desde atributos style del HTML. */
#obras{padding-top:0}
.contact-address{margin-top:16px}
.contact-address-link{color:#c4d5f1}
.foot__end a.back-to-top{display:inline}