/* Layout: dark operations-room page; full-width bands, runway-perspective hero, sector index as a numbered register. Single dark theme by choice. */
:root{
  --bg:#0d0f12; --panel:#15181d; --line:#262b33; --fg:#e7e9ec; --muted:#8d949e;
  --amber:#e8b84a; --amber-dim:#7a6227; --green:#5fd18b; --red:#e2574c;
  --display:"Michroma","Eurostile","Segoe UI",sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.6;margin:0}
a{color:inherit}
a:focus-visible,button:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber)}
h1,h2,h3{text-wrap:balance;margin:0}
h2{font-family:var(--display);font-weight:400;font-size:clamp(22px,3vw,32px);letter-spacing:.04em;line-height:1.3}
p{margin:0}

/* Nav */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
header.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(13,15,18,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.logo{font-family:var(--display);font-size:20px;letter-spacing:.32em;text-decoration:none;background:#000;color:#fff;padding:6px 6px 6px 12px}
.nav nav{display:flex;gap:26px;flex-wrap:wrap}
.nav nav a{font-size:14px;text-decoration:none;color:var(--muted);transition:color .2s}
.nav nav a:hover{color:var(--fg)}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;padding:12px 20px;border:1px solid var(--amber);color:var(--bg);background:var(--amber);transition:background .2s,color .2s}
.btn:hover{background:transparent;color:var(--amber)}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--amber);color:var(--amber)}
@media (max-width:820px){.nav nav{display:none}}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero .wrap{position:relative;z-index:2;padding-block:clamp(64px,10vw,120px) clamp(56px,8vw,96px);display:grid;gap:28px}
.hero h1{font-family:var(--display);font-weight:400;font-size:clamp(40px,8.5vw,104px);letter-spacing:.22em;line-height:1}
.hero .lede{font-size:clamp(18px,2vw,22px);font-weight:300;max-width:34ch;color:var(--fg)}
.hero .lede b{font-weight:500;color:var(--amber)}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap}
.runway{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.9}
.runway svg{position:absolute;right:-10%;bottom:0;width:80%;max-width:none;height:100%}
@media (max-width:700px){.runway{opacity:.35}.runway svg{width:150%;right:-50%}}
.light{animation:pulse 3s infinite}
@keyframes pulse{0%,100%{opacity:.35}50%{opacity:1}}
.ticker{border-top:1px solid var(--line);position:relative;z-index:2;background:rgba(13,15,18,.7)}
.ticker .wrap{display:flex;gap:28px;flex-wrap:wrap;padding-block:14px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.ticker span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:8px;vertical-align:middle}

section{padding-block:clamp(64px,9vw,112px);border-bottom:1px solid var(--line)}
.head{display:grid;gap:14px;margin-bottom:44px;max-width:62ch}
.head p{color:var(--muted)}

/* Sectors register */
.register{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.sector{padding:30px 28px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;gap:12px;align-content:start;transition:background .25s}
.sector:hover{background:var(--panel)}
.sector .code{font-family:var(--mono);font-size:12px;color:var(--amber);letter-spacing:.1em;display:flex;justify-content:space-between}
.sector .code i{font-style:normal;color:var(--muted)}
.sector h3{font-size:19px;font-weight:600}
.sector p{color:var(--muted);font-size:15px}
.sector ul{margin:4px 0 0;padding:0;list-style:none;display:grid;gap:6px;font-size:14px}
.sector li{padding-left:16px;position:relative}
.sector li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:1px;background:var(--amber)}

/* Engineering */
.split{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(32px,6vw,80px);align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.split .head{margin-bottom:0}
.caps{display:grid;gap:0;border-top:1px solid var(--line)}
.cap{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:baseline}
.cap span{font-family:var(--mono);font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.cap p{font-size:16px}
@media (max-width:520px){.cap{grid-template-columns:1fr;gap:4px}}

/* Specialization */
.spec{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.spec div{background:var(--bg);padding:22px 22px 24px;display:flex;gap:14px;align-items:flex-start;font-size:15px}
.spec div::before{content:"›";color:var(--amber);font-family:var(--mono);font-size:18px;line-height:1.3}

/* Company */
.company{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(32px,6vw,80px)}
@media (max-width:860px){.company{grid-template-columns:1fr}}
.company .about{display:grid;gap:18px;color:var(--muted);max-width:60ch}
.company .about p:first-of-type{color:var(--fg);font-size:19px;font-weight:300}
.datasheet{border:1px solid var(--line);background:var(--panel)}
.datasheet .ttl{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:14px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}
.datasheet .ttl b{color:var(--green);font-weight:500}
.datasheet dl{margin:0;display:grid}
.datasheet dl div{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line)}
.datasheet dl div:last-child{border-bottom:0}
.datasheet dt{font-size:13px;color:var(--muted)}
.datasheet dd{margin:0;font-family:var(--mono);font-size:14px;font-variant-numeric:tabular-nums;min-width:0;overflow-wrap:anywhere}
@media (max-width:520px){.datasheet dl div{grid-template-columns:1fr;gap:2px}}
.client{margin-top:6px;display:inline-flex;gap:12px;align-items:center;border:1px solid var(--amber-dim);padding:10px 16px;font-size:14px;color:var(--fg);width:fit-content}
.client span{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--amber);text-transform:uppercase}

/* Contact */
.contact{border-bottom:0}
.offices{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.office{border:1px solid var(--line);padding:28px;display:grid;gap:16px;align-content:start}
.office h3{font-size:18px;font-weight:600}
.office .tag{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}
.office dl{margin:0;display:grid;gap:10px;font-size:15px}
.office dt{font-size:12px;color:var(--muted);font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em}
.office dd{margin:0}
.office a{text-decoration:none;border-bottom:1px solid var(--amber-dim)}
.office a:hover{color:var(--amber)}
.cta{margin-top:48px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:28px;background:var(--panel);border:1px solid var(--line)}
.cta p{font-size:20px;font-weight:300;max-width:40ch}

footer{border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:28px;font-size:13px;color:var(--muted);font-family:var(--mono)}

.sector{padding:0 0 32px}
.sector>*:not(figure){margin-left:28px;margin-right:28px}
.sector figure{margin:0 0 6px;aspect-ratio:16/9;max-width:100%;overflow:hidden;background:#000;border-bottom:1px solid var(--line)}
.sector figure img{width:100%;height:100%;object-fit:cover;display:block;filter:grayscale(.15) contrast(1.05);transition:transform .6s}
.sector:hover figure img{transform:scale(1.04)}
.hero-photo{position:absolute;inset:0;z-index:1;background-size:cover;background-position:center 65%}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,15,18,.96) 0%,rgba(13,15,18,.8) 40%,rgba(13,15,18,.25) 100%),linear-gradient(0deg,rgba(13,15,18,.9),transparent 45%)}
@media (max-width:700px){.hero-photo::after{background:rgba(13,15,18,.78)}}
.photo{margin:0;max-width:100%;border:1px solid var(--line);overflow:hidden}
.photo img{display:block;width:100%;height:auto}
.photo figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:10px 14px;border-top:1px solid var(--line);background:var(--panel)}
.eng-left{display:grid;gap:32px}

/* Motion */
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes track{from{letter-spacing:.6em;opacity:0}to{letter-spacing:.22em;opacity:1}}
@keyframes kenburns{from{transform:scale(1.12)}to{transform:scale(1)}}
@keyframes scan{0%{transform:translateX(-100%)}100%{transform:translateX(100vw)}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.hero .eyebrow{animation:rise .7s .1s both}
.hero h1{animation:track 1.4s .2s cubic-bezier(.2,.7,.2,1) both}
.hero .lede{animation:rise .8s .7s both}
.hero .actions{animation:rise .8s .9s both}
.hero-photo{animation:kenburns 14s ease-out both}
.hero::after{content:"";position:absolute;left:0;bottom:52px;z-index:2;width:30vw;height:1px;background:linear-gradient(90deg,transparent,var(--amber),transparent);animation:scan 5s linear infinite;pointer-events:none}
.ticker{overflow:hidden}
.ticker .track{display:flex;width:max-content;animation:marquee 30s linear infinite}
.ticker .track .wrap{flex-wrap:nowrap;max-width:none;margin:0;padding-right:28px}
.reveal{transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal:not(.in){opacity:.25;transform:translateY(24px)}
.register .sector.reveal{transition-delay:calc(var(--i,0) * 80ms)}
.btn{position:relative;overflow:hidden}
.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);transition:transform .6s}
.btn:hover::after{transform:translateX(120%)}
@media (prefers-reduced-motion:reduce){.js .reveal:not(.in){opacity:1;transform:none}.ticker .track{animation:none}}

/* ===== Multi-page additions ===== */
.nav nav a[aria-current="page"]{color:var(--amber)}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--fg);font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;padding:10px 14px;cursor:pointer}
@media (max-width:820px){
  .menu-btn{display:inline-block}
  .nav .btn{display:none}
  .nav nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
  .nav nav a{padding:14px 0;border-top:1px solid var(--line);font-size:15px}
  .nav.open nav{display:flex}
}

/* Compact sector cards (home) */
.sectors-mini{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.mini{position:relative;display:grid;align-content:end;min-height:260px;text-decoration:none;background:#000;overflow:hidden;isolation:isolate}
.mini img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.55;transition:transform .6s,opacity .4s}
.mini::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(13,15,18,.95) 15%,rgba(13,15,18,.2) 75%)}
.mini .in{padding:22px 22px 20px;display:grid;gap:6px}
.mini .code{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--amber)}
.mini h3{font-size:18px;font-weight:600;color:#fff}
.mini p{font-size:14px;color:#b9bec6}
.mini .go{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--amber);margin-top:6px;display:flex;gap:8px;align-items:center}
.mini .go::after{content:"→";transition:transform .25s}
.mini:hover img{transform:scale(1.06);opacity:.75}
.mini:hover .go::after{transform:translateX(6px)}
.mini.all{background:var(--panel);align-content:center}
.mini.all::before{display:none}
.mini.all h3{font-family:var(--display);font-weight:400;font-size:17px;letter-spacing:.04em;line-height:1.4}
.section-foot{margin-top:32px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;color:var(--muted)}

/* Teaser band */
.teaser{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
@media (max-width:860px){.teaser{grid-template-columns:1fr}}
.teaser .head{margin-bottom:0}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.stats div{background:var(--bg);padding:22px}
.stats b{display:block;font-family:var(--display);font-weight:400;font-size:26px;color:var(--amber);font-variant-numeric:tabular-nums}
.stats span{font-size:13px;color:var(--muted)}

/* Sub-page hero */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:0}
.page-hero .wrap{position:relative;z-index:2;padding-block:clamp(56px,8vw,96px) clamp(44px,6vw,72px);display:grid;gap:18px}
.page-hero h1{font-family:var(--display);font-weight:400;font-size:clamp(28px,5vw,54px);letter-spacing:.06em;line-height:1.15;animation:rise .8s .1s both}
.page-hero p{max-width:60ch;color:#c4c9d0;font-size:clamp(16px,1.6vw,19px);font-weight:300;animation:rise .8s .3s both}
.crumbs{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.crumbs a{text-decoration:none;color:var(--muted)}.crumbs a:hover{color:var(--amber)}
.jump{display:flex;flex-wrap:wrap;gap:8px;animation:rise .8s .5s both}
.jump a{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-decoration:none;border:1px solid var(--line);padding:8px 12px;color:var(--fg);background:rgba(13,15,18,.6);transition:border-color .2s,color .2s}
.jump a:hover{border-color:var(--amber);color:var(--amber)}

/* Frente detail */
.frente{scroll-margin-top:90px}
.frente .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:start}
.frente:nth-of-type(even) .media{order:2}
@media (max-width:860px){.frente .wrap{grid-template-columns:1fr}.frente:nth-of-type(even) .media{order:0}}
.frente .media{position:sticky;top:96px;margin:0;border:1px solid var(--line);overflow:hidden;max-width:100%}
@media (max-width:860px){.frente .media{position:static}}
.frente .media img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.frente .media figcaption{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:10px 14px;background:var(--panel);border-top:1px solid var(--line)}
.frente .body{display:grid;gap:18px;min-width:0}
.frente .body>p{color:#c4c9d0;max-width:62ch}
.frente h3.sub{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);font-weight:500;margin-top:8px}
.checks{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.checks li{background:var(--bg);padding:14px 16px 14px 36px;position:relative;font-size:15px}
.checks li::before{content:"";position:absolute;left:16px;top:22px;width:9px;height:1px;background:var(--amber)}
.frente .links{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}

/* Experiencia */
.exp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.exp{border:1px solid var(--line);display:grid;grid-template-rows:auto 1fr;background:var(--bg);transition:border-color .25s}
.exp:hover{border-color:var(--amber-dim)}
.exp figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:#000;max-width:100%}
.exp figure img{width:100%;height:100%;object-fit:cover;display:block;opacity:.85;transition:transform .6s}
.exp:hover figure img{transform:scale(1.04)}
.exp .in{padding:22px 24px 24px;display:grid;gap:12px;align-content:start}
.exp .meta{display:flex;justify-content:space-between;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.exp .meta span:first-child{color:var(--amber)}
.exp .meta span:last-child{color:var(--muted)}
.exp h3{font-size:19px;font-weight:600}
.exp p{color:var(--muted);font-size:15px}
.exp dl{margin:6px 0 0;display:grid;border-top:1px solid var(--line)}
.exp dl div{display:grid;grid-template-columns:100px 1fr;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.exp dt{color:var(--muted);font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding-top:2px}
.exp dd{margin:0}
.feature{display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center;border:1px solid var(--amber-dim);background:var(--panel);padding:28px;margin-bottom:40px}
@media (max-width:760px){.feature{grid-template-columns:1fr}}
.feature .badge{font-family:var(--display);font-size:22px;letter-spacing:.12em;color:var(--amber);border:1px solid var(--amber-dim);padding:18px 20px}
.feature p{color:#c4c9d0}
.feature h3{font-size:20px;font-weight:600;margin-bottom:6px}

/* Contact form */
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.form{border:1px solid var(--line);background:var(--panel);padding:clamp(20px,3vw,32px);display:grid;gap:16px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.form .row{grid-template-columns:1fr}}
.field{display:grid;gap:6px;min-width:0}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:15px;color:var(--fg);background:var(--bg);border:1px solid var(--line);padding:12px 14px;border-radius:0;transition:border-color .2s}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--amber)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted)}
.consent input{margin-top:3px;accent-color:var(--amber)}
.form .btn{justify-self:start;border:1px solid var(--amber);cursor:pointer;font:inherit;font-family:var(--mono);font-size:13px}
.form .btn[disabled]{opacity:.6;cursor:wait}
.hp{position:absolute;left:-9999px}
.status{font-size:14px;padding:12px 14px;border:1px solid var(--line)}
.status.ok{border-color:var(--green);color:var(--green)}
.status.err{border-color:var(--red);color:#f0a59f}
.offices.stack{grid-template-columns:1fr;gap:16px}
.offices.stack .office{padding:22px}
.mini.reveal,.exp.reveal{transition-delay:calc(var(--i,0) * 70ms)}