/* CTS Ingeniería V.1.0 — estilos principales (basados en la propuesta final v9) */

:root{--navy:#1F3254;--blue:#3F5B89;--gold:#C18934;--gold2:#DDB46A;--ink:#1a2438;--mut:#5d6b82;--bg:#F3F5F8;--line:#DDE2EA;--wa:#25d366;
--f:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:var(--f);color:var(--ink);background:#fff;line-height:1.55;-webkit-text-size-adjust:100%;padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:6px;color:var(--navy);line-height:1}
.brand img{height:36px;width:auto}
.cts{font-size:1.95rem;font-weight:800;letter-spacing:.01em;line-height:.9}
.bt{display:flex;flex-direction:column;gap:3px}
.bt b{font-size:.6rem;letter-spacing:.34em;font-weight:700;color:var(--navy)}
.bt small{display:block;font-weight:700;letter-spacing:.05em;font-size:.45rem;color:var(--gold);line-height:1.25;max-width:122px}
@media (min-width:760px){.cts{font-size:2.4rem}.bt b{font-size:.72rem}.bt small{font-size:.56rem;letter-spacing:.14em;max-width:none}}
.site-nav{display:none;gap:26px;font-size:.92rem;font-weight:600;color:var(--blue)}
.tel{font-size:.85rem;font-weight:700;color:var(--navy);border:1.5px solid var(--navy);padding:8px 14px;border-radius:99px}

/* HERO */
.hero{position:relative;overflow:hidden;color:#fff;padding:46px 0 150px;min-height:min(88vh,760px);display:flex;align-items:flex-start;
 background:radial-gradient(60% 55% at 85% 20%,rgba(63,91,137,.55),transparent 70%),linear-gradient(135deg,#1F3254 0%,#18284a 60%,#141f38 100%)}
.hero #net{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero:after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background:linear-gradient(90deg,rgba(20,31,56,.62) 0%,rgba(20,31,56,.18) 70%,transparent 100%)}
.hero .wrap{position:relative;z-index:1;width:100%}
.eyebrow{display:inline-block;color:var(--gold2);font-weight:700;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;border-left:3px solid var(--gold);padding-left:10px}
.hero h1{font-size:clamp(2rem,8.2vw,3.6rem);line-height:1.08;letter-spacing:-.02em;margin:16px 0 14px;max-width:19ch}
.hero h1 em{font-style:normal;color:var(--gold2)}
.sub{color:#cfd9ea;font-size:1.05rem;max-width:50ch}
.cta{display:flex;flex-direction:column;gap:10px;margin-top:26px;max-width:380px}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;border-radius:12px;font-weight:700;padding:0 22px;font-size:1rem;cursor:pointer}
.btn.g{background:var(--gold);color:#fff}
.btn.w{background:var(--wa);color:#04210f}
.btn.o{border:1.5px solid rgba(255,255,255,.45);color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.chips span{font-size:.8rem;font-weight:600;padding:6px 12px;border:1px solid rgba(255,255,255,.3);border-radius:99px;color:#e8eefb}

/* SECCIONES */
section{padding:54px 0}
.kick{color:var(--gold);font-weight:800;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase}
h2{font-size:clamp(1.55rem,5.6vw,2.3rem);letter-spacing:-.01em;color:var(--navy);margin:6px 0 8px;line-height:1.15}
.lead{color:var(--mut);max-width:58ch;margin-bottom:26px}
.grey{background:var(--bg)}

/* SOLUCIONES con descripción al pasar el mouse o tocar */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.svc{appearance:none;text-align:left;cursor:pointer;border:1px solid var(--line);border-top:3px solid var(--gold);border-radius:14px;padding:16px 14px;background:#fff;min-height:116px;
 display:flex;flex-direction:column;gap:10px;font-weight:700;font-size:.93rem;line-height:1.3;color:var(--navy);transition:box-shadow .25s,border-color .25s}
.svc svg{width:28px;height:28px;stroke:var(--blue);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.svc .d{display:block;font-weight:400;font-size:.84rem;line-height:1.4;color:var(--mut);max-height:0;opacity:0;overflow:hidden;transition:max-height .35s ease,opacity .3s ease}
.svc:hover,.svc:focus-visible,.svc.open{box-shadow:0 10px 28px rgba(31,50,84,.14);border-color:var(--blue);border-top-color:var(--gold)}
.svc:hover .d,.svc:focus-visible .d,.svc.open .d{max-height:150px;opacity:1}
.svc.last{grid-column:1/-1}
.hint{margin-top:14px;color:var(--mut);font-size:.82rem}

/* MÉTODO */
.steps{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.step{border:1px solid var(--line);border-radius:14px;padding:16px 14px;background:#fff}
.step i{display:block;font-style:normal;font-size:1.7rem;line-height:1;font-weight:800;color:var(--blue);margin-bottom:10px}
.step svg{width:26px;height:26px;stroke:var(--gold);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;margin-bottom:8px}
.step b{display:block;color:var(--navy)}
.step small{display:block;color:var(--mut);font-size:.85rem;margin-top:4px;line-height:1.35}

.ico{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:34px;padding-top:28px;border-top:1px solid var(--line);text-align:center}
.ico div{display:flex;flex-direction:column;align-items:center;gap:8px}
.ico svg{width:clamp(38px,12vw,56px);height:auto;fill:none;stroke:var(--navy);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.ico svg .g{stroke:var(--gold)}
.ico b{font-size:clamp(.68rem,3.1vw,.82rem);color:var(--navy);letter-spacing:.01em}
@media (min-width:760px){.ico{gap:24px}.ico svg{width:76px}.ico b{font-size:1.08rem}}
/* RESPALDO con contadores */
.proj{font-size:clamp(1.1rem,4vw,1.4rem);font-weight:700;color:var(--blue);border-left:3px solid var(--gold);padding-left:12px;margin:0 0 30px}
.counters{display:grid;grid-template-columns:1fr 1fr;gap:28px 12px;margin-bottom:36px;text-align:center}
.cnt{display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 4px}
.cnt svg{width:30px;height:30px;stroke:var(--gold);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-bottom:6px}
.cnt .num{font-size:2.6rem;font-weight:800;line-height:1;color:var(--navy);letter-spacing:-.02em}
.cnt b{color:var(--navy);margin-top:2px}
.cnt small{color:var(--mut);font-size:.82rem;line-height:1.35;max-width:26ch}
.cards{display:grid;gap:12px}
.cd{border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:14px;padding:16px;background:var(--bg)}
.cd b{display:block;color:var(--navy);margin-bottom:6px}
.cd span{color:var(--mut);font-size:.93rem}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.tags em{font-style:normal;font-weight:700;font-size:.85rem;color:var(--navy);background:#fff;border:1px solid var(--line);border-radius:99px;padding:5px 12px}

/* HABLEMOS HOY MISMO */
.talk{background:linear-gradient(135deg,#141f38 0%,#1F3254 100%);color:#fff;text-align:center;position:relative;overflow:hidden}
.talk:before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 80% 60% at 60% 50%,rgba(63,91,137,.35),transparent 70%)}
.talk .wrap{position:relative}
.stag{display:flex;align-items:center;justify-content:center;gap:8px;font-size:.76rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--gold2);margin-bottom:10px}
.stag:before{content:"";width:22px;height:2px;background:var(--gold2)}
.talk h2{color:#fff;max-width:20ch;margin:0 auto 14px}
.talk p.lead{color:#b9c6de;margin:0 auto 26px}
.talk .cta{margin:0 auto;align-items:stretch}
.rows{display:grid;gap:10px;margin:28px auto 0;max-width:640px;text-align:left}
.rows a,.rows div{display:flex;justify-content:space-between;gap:12px;padding:15px 16px;border:1px solid rgba(255,255,255,.18);border-radius:12px;background:rgba(255,255,255,.06);font-size:.95rem}
.rows span{color:#b9c6de;text-align:right;white-space:nowrap}
.site-footer{background:#0f182b;color:#9fb0cc;padding:28px 0;font-size:.82rem}
.site-footer .wrap{display:flex;flex-direction:column;gap:14px}
.site-footer img{width:84px;height:auto;border-radius:10px;background:#fff;padding:6px}
.site-footer a{color:var(--gold2);font-weight:600;border-bottom:1px solid currentColor}
.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));background:rgba(255,255,255,.97);border-top:1px solid var(--line);display:flex;gap:10px}
.dock .btn{flex:1;min-height:48px;font-size:.95rem}
.dock .btn.o{border-color:var(--navy);color:var(--navy)}

/* APARICIÓN PROGRESIVA */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.svc .d{transition:none}}
@media (min-width:760px){
 .site-nav{display:flex}
 .hero{padding:96px 0 120px;min-height:700px;align-items:center}
 .cta{flex-direction:row;max-width:none}
 .talk .cta{justify-content:center}
 .grid{grid-template-columns:repeat(4,1fr);gap:16px}
 .svc.last{grid-column:auto}
 .steps{grid-template-columns:repeat(4,1fr);gap:16px}
 .counters{grid-template-columns:repeat(4,1fr);gap:24px}
 .cnt .num{font-size:3.4rem}
 .cards{grid-template-columns:repeat(3,1fr);gap:16px}
 .rows{grid-template-columns:repeat(2,1fr)}
 .site-footer .wrap{flex-direction:row;align-items:center;justify-content:space-between}
 .dock{display:none}body{padding-bottom:0}
}

/* ===== Ajustes de accesibilidad (contraste AA) ===== */
.kick{color:#8f6118}
.btn.g{background:#9a6518}
.btn.g:hover{background:#86570f}
.btn{transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(15,24,43,.18)}
.screen-reader-text{border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute!important;width:1px;word-wrap:normal!important}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px;font-weight:700;transition:top .2s}
.skip-link:focus{top:12px}
.site-nav ul{display:flex;gap:26px;list-style:none;padding:0;margin:0}
.site-nav a:hover{color:var(--navy)}
.admin-bar .site-header{top:32px}
@media (max-width:782px){.admin-bar .site-header{top:46px}}
@media (max-width:600px){.admin-bar .site-header{top:0}}

/* ===== GALERÍA DE PROYECTOS ===== */
.gallery-intro{padding:0;margin:0 0 26px;max-width:72ch}
.gallery-intro h3{font-size:clamp(1.15rem,4vw,1.45rem);color:var(--navy);line-height:1.25;margin:0 0 12px}
.gallery-intro p{color:var(--mut);margin:0 0 12px}
.gallery-intro .gi-note{font-style:italic;color:var(--blue);font-weight:600;font-size:.92rem}
.g-filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px;padding:0;list-style:none}
.g-filter{appearance:none;cursor:pointer;border:1.5px solid var(--line);background:#fff;color:var(--navy);font-weight:700;font-size:.88rem;padding:9px 16px;border-radius:99px;min-height:44px;transition:background-color .2s,border-color .2s,color .2s}
.g-filter:hover{border-color:var(--blue)}
.g-filter[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.g-filter .n{font-weight:600;opacity:.75;margin-left:4px}
.g-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;list-style:none;padding:0;margin:0}
.g-item{margin:0}
.g-item[hidden]{display:none}
.g-item.fade{animation:gfade .3s ease both}
@keyframes gfade{from{opacity:0}to{opacity:1}}
.g-btn{display:block;width:100%;padding:0;border:0;background:var(--bg);border-radius:14px;overflow:hidden;cursor:zoom-in;position:relative;aspect-ratio:4/3}
.g-btn img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.g-btn:hover img,.g-btn:focus-visible img{transform:scale(1.05)}
.g-btn .g-tag{position:absolute;left:10px;bottom:10px;background:rgba(15,24,43,.82);color:#fff;font-size:.74rem;font-weight:700;padding:4px 10px;border-radius:99px;letter-spacing:.02em}
.g-empty{color:var(--mut);margin-top:12px}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:1000;background:rgba(10,16,30,.94);display:flex;align-items:center;justify-content:center;padding:56px 12px 20px}
.lb[hidden]{display:none}
.lb-fig{margin:0;max-width:min(1100px,100%);display:flex;flex-direction:column;align-items:center;gap:12px}
.lb-fig img{max-width:100%;max-height:calc(100vh - 190px);width:auto;height:auto;object-fit:contain;border-radius:10px;background:#1b2740}
.lb-cap{color:#e8eefb;text-align:center;max-width:70ch;font-size:.98rem;line-height:1.45}
.lb-count{display:block;color:var(--gold2);font-size:.78rem;font-weight:700;letter-spacing:.12em;margin-top:4px}
.lb button{appearance:none;cursor:pointer;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);color:#fff;border-radius:99px;width:48px;height:48px;font-size:1.4rem;line-height:1;display:flex;align-items:center;justify-content:center}
.lb button:hover{background:rgba(255,255,255,.2)}
.lb-close{position:absolute;top:10px;right:12px}
.lb-prev,.lb-next{position:absolute;top:50%;transform:translateY(-50%)}
.lb-prev{left:10px}.lb-next{right:10px}
@media (max-width:759px){.lb-prev,.lb-next{top:auto;bottom:14px;transform:none}.lb{padding-bottom:76px}}
body.lb-open{overflow:hidden}

/* ===== BANNER DE MARCAS (dos líneas) ===== */
.brands{background:#fff;border-block:1px solid var(--line);padding:44px 0;overflow:hidden}
.brands h2{text-align:center;color:var(--mut);font-weight:700;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 20px}
.marquee{overflow:hidden;padding:7px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.track{display:flex;width:max-content;list-style:none;margin:0;padding:0;animation:slide 45s linear infinite}
.marquee.ltr .track{animation-direction:reverse}
.marquee:hover .track,.marquee:focus-within .track{animation-play-state:paused}
.track li{flex:none;width:170px;height:76px;margin:0 10px;background:#fff;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;padding:12px;transition:box-shadow .25s,border-color .25s}
.track li:hover{border-color:var(--blue);box-shadow:0 8px 20px rgba(31,50,84,.12)}
.track img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== FORMULARIO DE CONTACTO ===== */
.cf{max-width:760px;margin:34px auto 0;text-align:left;background:#fff;color:var(--ink);border-radius:16px;padding:22px 18px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.cf h3{color:var(--navy);font-size:1.25rem;margin:0 0 4px}
.cf .cf-req{color:var(--mut);font-size:.85rem;margin:0 0 16px}
.cf-grid{display:grid;gap:14px}
.cf-field{display:flex;flex-direction:column;gap:6px}
.cf-field label{font-weight:700;font-size:.9rem;color:var(--navy)}
.cf-field label abbr{color:#b3261e;text-decoration:none;border:0}
.cf-field input,.cf-field select,.cf-field textarea{font:inherit;color:var(--ink);border:1.5px solid #9aa6b8;border-radius:10px;padding:11px 12px;background:#fff;min-height:46px;width:100%}
.cf-field textarea{min-height:120px;resize:vertical}
.cf-field input:focus,.cf-field select:focus,.cf-field textarea:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--blue)}
.cf-field [aria-invalid="true"]{border-color:#b3261e}
.cf-err{color:#b3261e;font-size:.82rem;font-weight:600;min-height:0}
.cf-err:empty{display:none}
.cf-actions{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.cf-actions .btn{border:0;width:100%}
.cf-status{margin-top:14px;padding:12px 14px;border-radius:10px;font-weight:600;font-size:.93rem}
.cf-status:empty{display:none}
.cf-status.ok{background:#e7f6ec;color:#14532d;border:1px solid #9bd3ae}
.cf-status.bad{background:#fdecea;color:#7f1d1d;border:1px solid #f1aaa4}
.cf-hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.cf .btn[disabled]{opacity:.65;cursor:progress}
.cf-privacy{font-size:.8rem;color:var(--mut);margin-top:12px}
.cf-privacy a{color:var(--blue);text-decoration:underline}

/* ===== FOOTER ===== */
.site-footer .f-legal{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;padding:0;margin:8px 0 0}
.site-footer .f-disc{font-size:.76rem;line-height:1.5;color:#8d9dba;border-top:1px solid rgba(255,255,255,.1);padding-top:14px;margin-top:4px;max-width:none}
.site-footer .f-main{display:flex;flex-direction:column;gap:14px}

/* ===== PÁGINAS INTERIORES / LEGALES ===== */
.page-hero{background:linear-gradient(135deg,#141f38 0%,#1F3254 100%);color:#fff;padding:46px 0 40px}
.page-hero .kick{color:var(--gold2)}
.page-hero h1{font-size:clamp(1.7rem,6vw,2.6rem);line-height:1.15;margin:8px 0 6px;color:#fff}
.page-hero p{color:#cfd9ea;margin:0}
.content-wrap{max-width:820px;margin:0 auto;padding:40px 20px 64px}
.entry-content{font-size:1.02rem;color:var(--ink)}
.entry-content h2{font-size:clamp(1.2rem,4vw,1.5rem);margin:34px 0 10px;scroll-margin-top:84px}
.entry-content h3{color:var(--navy);font-size:1.08rem;margin:22px 0 8px}
.entry-content p,.entry-content ul,.entry-content ol{margin:0 0 14px}
.entry-content ul,.entry-content ol{padding-left:1.4em}
.entry-content li{margin-bottom:6px}
.entry-content a{color:var(--blue);text-decoration:underline}
.entry-content strong{color:var(--navy)}
.legal-toc{background:var(--bg);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:12px;padding:16px 18px;margin:0 0 28px}
.legal-toc h2{font-size:1rem!important;margin:0 0 8px!important;color:var(--navy)}
.legal-toc ol{margin:0;padding-left:1.3em;columns:1}
.legal-toc a{color:var(--blue)}
@media (min-width:760px){.legal-toc ol{columns:2;column-gap:28px}}
.legal-updated{margin-top:30px;padding-top:14px;border-top:1px solid var(--line);color:var(--mut);font-size:.9rem}
.back-home{display:inline-flex;margin-top:22px;font-weight:700;color:var(--blue);text-decoration:underline}
.err404{text-align:center;padding:80px 20px}
.err404 .big{font-size:5rem;font-weight:800;color:var(--navy);line-height:1}
.searchform{display:flex;gap:8px;max-width:460px;margin:20px auto 0}
.searchform input{flex:1;font:inherit;border:1.5px solid #9aa6b8;border-radius:10px;padding:10px 12px;min-height:46px}
.searchform button{border:0;cursor:pointer;background:var(--navy);color:#fff;border-radius:10px;padding:0 18px;font-weight:700}
.post-list{list-style:none;padding:0}
.post-list li{border-bottom:1px solid var(--line);padding:16px 0}
.post-list a{color:var(--navy);font-weight:700}

@media (min-width:760px){
 .cf{padding:30px 32px}
 .cf-grid{grid-template-columns:1fr 1fr}
 .cf-field.full{grid-column:1/-1}
 .cf-actions{flex-direction:row}
 .cf-actions .btn{width:auto;flex:1}
 .site-footer .wrap{flex-direction:column;align-items:stretch}
 .site-footer .f-main{flex-direction:row;align-items:center;justify-content:space-between}
}

@media (prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 .track{animation:none}
 .marquee{overflow-x:auto;-webkit-mask-image:none;mask-image:none}
 .track li[aria-hidden="true"]{display:none}
 .g-item.fade{animation:none}
 .g-btn img,.btn{transition:none}
 .g-btn:hover img{transform:none}
}

/* ===== v1.1: galería en portada (teaser) y página de galería ===== */
a.g-filter{display:inline-flex;align-items:center;text-decoration:none}
a.g-filter:hover,a.g-filter:focus-visible{background:var(--navy);border-color:var(--navy);color:#fff}
.gallery-teaser .g-cta{display:inline-flex;margin-top:4px;text-decoration:none}
.gallery-full{padding-top:40px}
.g-back{padding-bottom:48px}