/* ===========================================================
   2piRob — shared design system
   Minimalist, editorial, brand red on warm paper.
   =========================================================== */
:root{
  --red:#8B1A1A; --red-2:#a52525; --red-ink:#5e1212;
  --ink:#171513; --graphite:#2b2926;
  --text:#34312c; --muted:#6d685f; --faint:#736e64;
  --line:#e8e3da; --line-2:#ddd6ca;
  --paper:#ffffff; --cream:#f7f5f0; --cream-2:#efeae1;
  --blue:#c8d8e4; --blue-2:#dde7ef; --blue-deep:#2f6f9f;
  --maxw:1180px; --r:8px; --r-lg:14px;
  --font-sans:'DM Sans',system-ui,-apple-system,sans-serif;
  --font-display:'Zilla Slab',Georgia,'Times New Roman',serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);color:var(--text);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;color:var(--ink);line-height:1.15;letter-spacing:-.01em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{font-family:var(--font-sans);font-size:.74rem;font-weight:600;text-transform:uppercase;letter-spacing:.16em;color:var(--red)}
.lead{color:var(--muted);font-size:1.05rem;max-width:60ch}
.center{text-align:center}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--red);color:#fff;padding:13px 26px;font-size:.9rem;font-weight:600;border-radius:var(--r);border:1.5px solid var(--red);transition:background .2s,transform .2s;cursor:pointer}
.btn:hover{background:var(--red-2);border-color:var(--red-2)}
.btn-ghost{background:transparent;color:var(--red)}
.btn-ghost:hover{background:var(--red);color:#fff}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-arrow svg{width:16px;height:16px}

/* ---- header ---- */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:200;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .3s,background .3s}
.site-header.scrolled{box-shadow:0 1px 18px rgba(23,21,19,.07)}
.header-row{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand img{height:30px;width:auto}
.nav{display:flex;align-items:center;gap:30px;list-style:none}
.nav a{font-size:.88rem;font-weight:500;color:var(--graphite);transition:color .2s}
.nav a:hover{color:var(--red)}
.nav .btn{padding:9px 20px;color:#fff}
.nav .btn:hover{color:#fff}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.burger span{display:block;width:24px;height:2px;background:var(--ink);transition:.3s}
body.nav-open{overflow:hidden}
.header-right{display:flex;align-items:center;gap:12px}
.langsel{display:flex;gap:2px;border:1px solid var(--line-2);border-radius:30px;padding:3px}
.langsel button{border:none;background:none;font-family:var(--font-sans);font-size:.72rem;font-weight:600;color:var(--muted);padding:4px 11px;border-radius:30px;cursor:pointer;letter-spacing:.05em;line-height:1.2;transition:background .2s,color .2s}
.langsel button[aria-pressed="true"]{background:var(--red);color:#fff}
html.i18n-wait body{visibility:hidden}

/* ---- sections ---- */
.section{padding:96px 0}
.section-sm{padding:64px 0}
.h-sec{font-size:clamp(1.7rem,3.2vw,2.5rem);margin:10px 0 14px}
.cream{background:var(--cream)}
.dark{background:var(--ink);color:#fff}
.dark h1,.dark h2,.dark h3{color:#fff}

/* ---- landing hero + doors ---- */
.lhero{padding:150px 0 56px;text-align:center}
.lhero h1{font-size:clamp(2.3rem,5.4vw,3.7rem);margin:14px auto 18px;max-width:14ch}
.lhero .lead{margin:0 auto;font-size:1.12rem}
.doors{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:14px 0 40px}
.door{display:flex;flex-direction:column;text-align:left;border:1px solid var(--line);border-top:3px solid var(--line-2);border-radius:0 0 var(--r-lg) var(--r-lg);padding:34px 34px 38px;background:var(--paper);transition:transform .28s,box-shadow .28s,border-color .28s}
.door:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(23,21,19,.09);border-color:var(--line-2)}
.door.alt{background:var(--cream)}
.door .ic{width:46px;height:46px;border-radius:11px;background:rgba(139,26,26,.07);display:flex;align-items:center;justify-content:center;color:var(--red);margin-bottom:20px}
.door .ic svg{width:24px;height:24px}
.door h2{font-size:1.5rem}
.door .svc{font-size:.82rem;font-weight:600;letter-spacing:.04em;color:var(--graphite);margin:6px 0 12px;text-transform:uppercase}
.door p{color:var(--muted);font-size:.95rem;margin-bottom:22px;flex:1}
.door .mail{font-size:.8rem;color:var(--faint);margin-bottom:18px}
.door .go{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--red);font-size:.95rem}
.door .go svg{width:16px;height:16px;transition:transform .2s}
.door:hover .go svg{transform:translateX(4px)}

/* ---- creds strip ---- */
.creds{border-top:1px solid var(--line);padding:30px 0}
.creds-row{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;text-align:center}
.creds-row p{color:var(--muted);font-size:.92rem}
.creds-row a{color:var(--red);font-weight:600;font-size:.92rem;white-space:nowrap}

/* ---- world hero (image bg) ---- */
.whero{position:relative;min-height:78vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--ink)}
.whero .bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.6;filter:grayscale(1) contrast(1.08)}
.whero::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(139,26,26,.5) 0%,rgba(23,21,19,.82) 78%)}
.whero .wrap{position:relative;z-index:2;padding-bottom:64px;padding-top:120px}
.whero h1{font-size:clamp(2.2rem,5vw,3.6rem);max-width:18ch;color:#fff}
.whero .lead{color:rgba(255,255,255,.82);max-width:56ch;margin-top:16px;font-size:1.1rem}
.whero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}

/* ---- generic grids ---- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 26px;background:var(--paper);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(23,21,19,.06)}
.card .ic{width:40px;height:40px;color:var(--red);margin-bottom:16px}
.card .ic svg{width:30px;height:30px}
.card h3{font-size:1.18rem;margin-bottom:7px}
.card p{color:var(--muted);font-size:.92rem}
.card .num{font-family:var(--font-display);font-size:.95rem;color:var(--red);font-weight:600}

/* ---- portfolio media ---- */
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tile{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--cream-2);aspect-ratio:4/3}
.tile.tall{grid-row:span 2;aspect-ratio:auto}
.tile img,.tile video{width:100%;height:100%;object-fit:cover}
.tile .cap{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;background:linear-gradient(180deg,rgba(23,21,19,0),rgba(23,21,19,.82));color:#fff}
.tile .cap .k{font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.7)}
.tile .cap h3{font-size:1.02rem;color:#fff}
.tile .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;background:rgba(139,26,26,.92);border:none;display:flex;align-items:center;justify-content:center;pointer-events:none;transition:opacity .25s,transform .25s;z-index:2}
.tile .play::after{content:"";border-left:15px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px}
.tile:hover .play{transform:translate(-50%,-50%) scale(1.08)}
.tile.playing .play{opacity:0}
.note{color:var(--faint);font-size:.86rem;margin-top:18px}

/* ---- clients ---- */
.clients{display:flex;flex-wrap:wrap;gap:10px 12px}
.client{font-size:.86rem;font-weight:500;color:var(--graphite);border:1px solid var(--line-2);border-radius:30px;padding:8px 16px;background:var(--paper)}

/* ---- consulting hero (dark, no photo) ---- */
.chero{background:var(--ink);color:#fff;padding:150px 0 84px}
.chero .eyebrow{color:#e9b9b9}
.chero h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.4rem);max-width:20ch}
.chero .lead{color:rgba(255,255,255,.82);max-width:62ch;margin-top:16px;font-size:1.1rem}
.chero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}

/* ---- service tag + timeline ---- */
.svc-tag{display:inline-block;margin-top:14px;font-size:.74rem;font-weight:600;color:var(--red);background:rgba(139,26,26,.07);padding:6px 13px;border-radius:30px}
.timeline{margin-top:36px}
.tl-item{padding:22px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:170px 1fr;gap:24px}
.tl-item:last-child{border-bottom:1px solid var(--line)}
.tl-period{font-family:var(--font-display);font-weight:600;color:var(--red);font-size:.98rem}
.tl-body h3{font-size:1.12rem}
.tl-org{color:var(--muted);font-size:.88rem;margin:3px 0 9px}
.tl-body p{color:var(--muted);font-size:.92rem}
@media(max-width:560px){.tl-item{grid-template-columns:1fr;gap:6px}}

/* ---- contact ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;margin-top:16px}
.contact-methods>a,.contact-methods>.row{display:flex;align-items:center;gap:13px;padding:13px 0;color:var(--text);font-size:.96rem;border-bottom:1px solid var(--line)}
.contact-methods>a:hover{color:var(--red)}
.contact-methods .ic2{width:38px;height:38px;border-radius:9px;background:var(--cream);display:flex;align-items:center;justify-content:center;color:var(--red);flex-shrink:0}
.contact-methods .ic2 svg{width:18px;height:18px}
.contact-methods small{display:block;color:var(--faint);font-size:.74rem;line-height:1.3}
.wa-wrap{margin-top:22px}
.btn-wa{background:#25D366;border-color:#25D366;color:#06351d}
.btn-wa:hover{background:#1ebe5a;border-color:#1ebe5a;color:#06351d}
.btn-wa svg{width:18px;height:18px}
.cform{display:flex;flex-direction:column;gap:13px}
.cform label{font-size:.8rem;font-weight:600;color:var(--graphite)}
.cform input,.cform select,.cform textarea{font-family:var(--font-sans);font-size:.95rem;padding:12px 14px;border:1px solid var(--line-2);border-radius:8px;background:var(--paper);color:var(--text);width:100%;transition:border-color .2s}
.cform input:focus,.cform select:focus,.cform textarea:focus{outline:none;border-color:var(--red)}
.cform textarea{min-height:130px;resize:vertical}
.cform .hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{font-size:.9rem;margin-top:4px;display:none}
.form-status.show{display:block}
.form-status.ok{color:#1d7a34}
.form-status.err{color:var(--red)}
@media(max-width:760px){.contact-grid{grid-template-columns:1fr;gap:36px}}

/* ---- cta band ---- */
.cta-band{background:var(--ink);color:#fff;text-align:center;padding:78px 0}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.3rem);color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.6);margin-bottom:26px}
.cta-band .ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---- footer ---- */
.footer{background:var(--ink);color:rgba(255,255,255,.5);padding:60px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;margin-bottom:34px}
.footer .fbrand img{height:30px;filter:brightness(0) invert(1);opacity:.92;margin-bottom:12px}
.footer p{font-size:.86rem;line-height:1.6;max-width:30ch}
.footer h4{font-family:var(--font-sans);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.13em;color:rgba(255,255,255,.35);margin-bottom:14px}
.footer a{display:block;padding:3px 0;font-size:.88rem;color:rgba(255,255,255,.55);transition:color .2s}
.footer a:hover{color:#fff}
.footer .copy{text-align:center;padding-top:24px;border-top:1px solid rgba(255,255,255,.07);font-size:.78rem;color:rgba(255,255,255,.3)}

/* ---- reveal ---- */
html.js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
html.js [data-reveal].is-in{opacity:1;transform:none}

/* ---- responsive ---- */
@media(max-width:860px){
  .nav{position:fixed;inset:68px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:8px 0 18px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .35s;align-items:stretch}
  .nav.open{transform:translateY(0)}
  .nav li{padding:0 28px}
  .nav a{display:block;padding:13px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin:14px 28px 0;justify-content:center}
  .burger{display:flex}
  .langsel{margin-left:auto}
  .doors{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .grid-3,.grid-2,.media-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:68px 0}
  .whero{min-height:70vh}
}
@media(max-width:560px){
  .grid-4,.grid-3,.grid-2,.media-grid{grid-template-columns:1fr}
  .tile.tall{grid-row:auto}
  .footer-grid{grid-template-columns:1fr}
  .wrap{padding:0 22px}
}

/* ---- a11y: visible keyboard focus ---- */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.btn:focus-visible,[data-setlang] button:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.door:focus-visible{outline:2px solid var(--red);outline-offset:4px}
/* ---- respect reduced motion ---- */
@media (prefers-reduced-motion: reduce){
  html.js [data-reveal]{opacity:1!important;transform:none!important;transition:none!important}
  .door,.card,.tile,.btn,.go svg{transition:none!important}
  html{scroll-behavior:auto}
}
/* ---- context-aware contact ---- */
body[data-ctx="robotica"] .m-consulting{display:none}
body[data-ctx="consultoria"] .m-robotica{display:none}

/* ---- client logo wall ---- */
.logos{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:30px}
.logo-card{background:#fff;border:1px solid var(--line);border-radius:10px;height:74px;min-width:128px;display:flex;align-items:center;justify-content:center;padding:12px 22px;transition:box-shadow .2s,transform .2s}
.logo-card:hover{box-shadow:0 8px 22px rgba(23,21,19,.07);transform:translateY(-2px)}
.logo-card img{max-height:42px;max-width:150px;width:auto;object-fit:contain}
@media(max-width:560px){.logo-card{height:64px;min-width:0;flex:1 1 40%}}

/* ---- blend: per-world door accents ---- */
.door:not(.alt){border-top-color:var(--blue-deep)}
.door.alt{border-top-color:var(--red)}
.door:not(.alt) .ic{color:var(--blue-deep);background:rgba(47,111,159,.08)}

/* duotone robot wall (pops to colour on hover / play) */
.tile .cap{z-index:2}
.tile img,.tile video{filter:grayscale(1) contrast(1.05);transition:filter .3s}
.tile::before{content:"";position:absolute;inset:0;background:var(--red);mix-blend-mode:color;opacity:.30;z-index:1;pointer-events:none;transition:opacity .3s}
.tile:hover img,.tile:hover video,.tile.playing video{filter:none}
.tile:hover::before,.tile.playing::before{opacity:0}

/* about portrait */
.about-head{display:flex;align-items:center;gap:28px;margin-bottom:24px}
.about-photo{width:150px;height:150px;border-radius:14px;object-fit:cover;flex-shrink:0;border:1px solid var(--line)}
@media(max-width:560px){.about-head{flex-direction:column;align-items:flex-start;gap:18px}.about-photo{width:120px;height:120px}}

/* news cards */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}
.news-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--paper);color:inherit;box-shadow:0 1px 3px rgba(23,21,19,.05);transition:transform .25s,box-shadow .25s}
.news-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(23,21,19,.10)}
.news-thumb{aspect-ratio:16/9;background:var(--cream-2);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:9px;flex-wrap:wrap}
.news-date{font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--red);font-weight:600}
.news-card h3{font-size:1.1rem;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{color:var(--muted);font-size:.92rem;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-more{display:inline-block;margin-top:auto;padding-top:14px;font-weight:600;color:var(--red);font-size:.85rem}
@media(max-width:860px){.news-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.news-grid{grid-template-columns:1fr}}
.news-cat{display:inline-block;font-size:.64rem;text-transform:uppercase;letter-spacing:.07em;font-weight:700;padding:3px 10px;border-radius:20px;line-height:1.6}
.news-cat.c-robotica{background:#fbe9e9;color:#8B1A1A}
.news-cat.c-consultoria{background:#e7eef5;color:#2f6f9f}
.news-tabs{display:flex;gap:8px;margin-top:22px;margin-bottom:4px;flex-wrap:wrap}
.news-tabs button{font:inherit;font-size:.85rem;font-weight:600;padding:8px 17px;border-radius:30px;border:1px solid var(--line-2);background:#fff;color:var(--ink);cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.news-tabs button:hover{border-color:var(--ink)}
.news-tabs button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.sub-form{max-width:440px;margin:24px auto 0;display:flex;flex-direction:column;gap:12px;text-align:left}
.sub-form input[type=email],.sub-form input[type=text]:not(.sub-hp){padding:12px 13px;border:1px solid var(--line-2);border-radius:10px;font:inherit;width:100%;background:#fff}
.sub-hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
.sub-consent{display:flex;gap:9px;align-items:flex-start;font-size:.82rem;color:var(--muted)}
.sub-consent input{margin-top:3px;flex:0 0 auto}
.sub-form>.btn{align-self:flex-start}
.sub-status{margin-top:2px}