/* ============================================================================
   LUNATRON TECNOLOGIA — Piracicaba (white site, PT-BR)
   Archetype: Light Tech Studio. Off-white/graphite/electric-indigo, Instrument
   Serif display + Geist body, geometric node/grid SVG, hairlines, reveal.
   Distinct from claystone(cream/clay) and DTVM(graphite/green) — diff farm.
   ========================================================================== */
:root{
  --paper:#F7F7F4; --paper-2:#EFEFEB; --paper-3:#E7E7E2; --card:#FFFFFF;
  --ink:#15171C; --ink-soft:#40444C; --muted:#888C95; --line:#E3E3DE;
  --indigo:#4338CA; --indigo-deep:#312E81; --teal:#0E9F94;
  --maxw:1180px; --gutter:clamp(20px,5vw,60px);
  --display:'Instrument Serif',Georgia,serif; --body:'Geist','Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;position:relative;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.03;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
::selection{background:var(--indigo);color:#fff}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.kicker{font-size:.7rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--indigo)}
.mono{font-feature-settings:"tnum" 1}

/* topbar */
.topbar{background:var(--ink);color:#C9CBD1;font-size:.72rem;letter-spacing:.04em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px}
.topbar .on{color:var(--teal)}
.topbar a{color:#C9CBD1}

/* header */
.head{background:rgba(247,247,244,.85);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.head .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:16px}
.brand{display:flex;align-items:center;gap:13px}
.brand .mk{width:38px;height:38px;flex:none}
.brand .nm{font-family:var(--display);font-size:1.6rem;line-height:1;color:var(--ink)}
.brand .nm b{font-weight:400;font-style:italic;color:var(--indigo)}
.brand .sub{font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:3px}
nav.main{display:flex;align-items:center;gap:clamp(14px,2.4vw,30px)}
nav.main a{font-size:.82rem;font-weight:500;letter-spacing:.02em;color:var(--ink-soft);transition:color .2s}
nav.main a:hover{color:var(--indigo)}
nav.main .cta{background:var(--indigo);color:#fff;padding:10px 18px;border-radius:7px;font-weight:600;font-size:.8rem}
nav.main .cta:hover{background:var(--indigo-deep);color:#fff}

/* hero */
.hero{padding:clamp(48px,7vw,92px) 0 clamp(36px,5vw,64px)}
.hero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,5vw,64px);align-items:center}
.hero .pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--card);border-radius:100px;padding:6px 14px;font-size:.72rem;color:var(--ink-soft);margin-bottom:24px}
.hero .pill .d{width:7px;height:7px;border-radius:50%;background:var(--teal)}
.hero h1{font-family:var(--display);font-weight:400;font-size:clamp(2.5rem,6vw,4.4rem);line-height:1.0;letter-spacing:-.01em}
.hero h1 em{font-style:italic;color:var(--indigo)}
.hero .dek{margin-top:22px;font-size:clamp(1.02rem,2vw,1.2rem);color:var(--ink-soft);max-width:44ch}
.hero .meta{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero .meta .chip{border:1px solid var(--line);background:var(--card);border-radius:8px;padding:12px 16px}
.hero .meta .chip .l{font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.hero .meta .chip .v{font-weight:600;color:var(--ink);margin-top:3px;font-size:.95rem}
.hero .plate{position:relative;aspect-ratio:1/1;border:1px solid var(--line);border-radius:16px;background:linear-gradient(150deg,#fff,var(--paper-2));overflow:hidden;box-shadow:0 30px 60px -42px rgba(67,56,202,.35)}
.hero .plate svg{position:absolute;inset:0;width:100%;height:100%}

/* metric strip */
.metrics{border-block:1px solid var(--line);background:var(--card)}
.metrics .row{display:grid;grid-template-columns:repeat(4,1fr)}
.metrics .c{padding:28px 24px;border-right:1px solid var(--line)}
.metrics .c:last-child{border-right:none}
.metrics .c .n{font-family:var(--display);font-size:2.1rem;line-height:1;color:var(--ink)}
.metrics .c .t{font-size:.82rem;color:var(--muted);margin-top:8px}

/* sections */
.sec{padding:clamp(44px,6vw,84px) 0}
.sec-head{max-width:680px;margin-bottom:40px}
.sec-head h2{font-family:var(--display);font-weight:400;font-size:clamp(1.9rem,4vw,2.7rem);letter-spacing:-.01em;margin-top:12px}
.sec-head p{color:var(--ink-soft);margin-top:12px}

/* services cards */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.svc-card{border:1px solid var(--line);background:var(--card);border-radius:14px;padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.svc-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px -30px rgba(21,23,28,.4);border-color:#CFCFE6}
.svc-card .ic{width:42px;height:42px;border-radius:10px;background:#EEEDFB;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.svc-card .ic svg{width:22px;height:22px;stroke:var(--indigo);fill:none;stroke-width:1.6}
.svc-card h3{font-size:1.18rem;font-weight:600;letter-spacing:-.01em}
.svc-card p{color:var(--ink-soft);margin-top:8px;font-size:.95rem}

/* about */
.about{background:var(--ink);color:#E4E5EA}
.about .grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,70px);align-items:center}
.about .lead{font-family:var(--display);font-weight:400;font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.18;letter-spacing:-.01em;color:#fff}
.about .lead em{font-style:italic;color:#A5B4FC}
.about p{color:#B7BAC4;margin-bottom:15px}
.about .facts{margin-top:22px}
.about .facts .f{display:flex;justify-content:space-between;gap:18px;padding:13px 0;border-bottom:1px solid #2A2D36;font-size:.92rem}
.about .facts .f .k{color:#8C909B}.about .facts .f .v{color:#fff;font-weight:500}

/* contact */
.contact .grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,52px)}
.contact .card{border:1px solid var(--line);background:var(--card);border-radius:14px;padding:30px}
.contact .card h3{font-family:var(--display);font-size:1.4rem;margin-bottom:18px}
.contact .card .l{font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:16px}
.contact .card .v{color:var(--ink);margin-top:4px}.contact .card .v.big{font-size:1.25rem;font-weight:600;color:var(--indigo)}
.mapframe{border:1px solid var(--line);border-radius:14px;background:var(--paper-2);min-height:280px;position:relative;overflow:hidden}
.mapframe svg{position:absolute;inset:0;width:100%;height:100%}
.mapframe .pin{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);text-align:center}
.mapframe .pin .dot{width:14px;height:14px;border-radius:50%;background:var(--indigo);margin:0 auto 8px;box-shadow:0 0 0 6px rgba(67,56,202,.18)}
.mapframe .pin span{font-size:.7rem;letter-spacing:.08em;color:var(--ink-soft);background:var(--card);padding:4px 10px;border:1px solid var(--line);border-radius:6px}

/* footer */
footer{background:var(--paper-2);border-top:1px solid var(--line);padding:clamp(46px,6vw,76px) 0 36px}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:clamp(26px,4vw,54px)}
footer .b .nm{font-family:var(--display);font-size:1.4rem}.footer .b .nm b{color:var(--indigo)}
footer .b p{color:var(--muted);font-size:.9rem;margin-top:12px;max-width:38ch}
footer h5{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--indigo);margin-bottom:14px}
footer ul{list-style:none}footer li{margin-bottom:10px}footer li a{color:var(--ink-soft);font-size:.92rem}footer li a:hover{color:var(--indigo)}
footer .legal{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem;line-height:1.75}
footer .legal strong{color:var(--ink)}
footer .copy{margin-top:16px;font-size:.78rem;color:var(--muted)}

/* doc/legal */
.doc{padding:clamp(40px,6vw,76px) 0}
.doc .h{max-width:720px;margin:0 auto clamp(26px,4vw,42px)}
.doc .h h1{font-family:var(--display);font-weight:400;font-size:clamp(2.1rem,5vw,3.3rem);letter-spacing:-.01em;line-height:1.04}
.doc .h .up{margin-top:14px;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.doc .bd{max-width:720px;margin:0 auto}
.doc .bd p{margin-bottom:18px;color:var(--ink-soft)}
.doc .bd h2{font-family:var(--display);font-weight:400;font-size:clamp(1.4rem,2.6vw,1.8rem);margin:32px 0 12px}
.doc .bd .lead{font-size:1.12rem;color:var(--ink)}
.doc .bd strong{color:var(--ink)}

/* reveal */
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.reveal{opacity:0;animation:rise .8s cubic-bezier(.2,.7,.2,1) forwards}
.d1{animation-delay:.04s}.d2{animation-delay:.14s}.d3{animation-delay:.24s}.d4{animation-delay:.34s}.d5{animation-delay:.44s}
@media (prefers-reduced-motion:reduce){.reveal{animation:none;opacity:1}}

/* responsive */
@media (max-width:900px){
  .hero .grid,.about .grid,.contact .grid{grid-template-columns:1fr}
  .hero .plate{order:-1;max-width:420px}
  .svc-grid{grid-template-columns:1fr}
  .metrics .row{grid-template-columns:1fr 1fr}.metrics .c:nth-child(2){border-right:none}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .head .wrap{flex-wrap:wrap;gap:12px}nav.main{gap:14px}nav.main .cta{display:none}
  .metrics .row{grid-template-columns:1fr}.metrics .c{border-right:none}
  footer .cols{grid-template-columns:1fr}
}