:root{
  --ink:#0a0e14;
  --panel:#111926;
  --panel-2:#17202f;
  --line: rgba(173,183,201,0.16);
  --line-strong: rgba(173,183,201,0.34);
  --steel:#a6b1c4;
  --steel-dim:#6d7789;
  --paper:#eef1f6;
  --blue:#5b93ff;
  --blue-soft: rgba(91,147,255,0.14);
  --silver-bright:#e7ecf5;
  --radius: 2px;
  --content-w: 1180px;
  --display: "Bricolage Grotesque", "Segoe UI", sans-serif;
  --body: "Instrument Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --brand-font: "Orbitron", "Segoe UI", sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

::selection{ background:var(--blue); color:var(--ink); }

a{ color:inherit; }
img{ display:block; max-width:100%; }

h1,h2,h3{
  font-family:var(--display);
  font-weight:700;
  line-height:1.05;
  letter-spacing:-0.01em;
  text-wrap:balance;
  margin:0;
}

p{ margin:0; }

.skip-link{
  position:absolute; left:1rem; top:-4rem;
  background:var(--blue); color:var(--ink);
  padding:.6rem 1rem; font-family:var(--mono); font-size:.85rem;
  z-index:200; transition:top .2s ease;
}
.skip-link:focus{ top:1rem; }

:focus-visible{ outline:2px solid var(--blue); outline-offset:3px; }

.wrap{ max-width:var(--content-w); margin:0 auto; padding:0 1.5rem; }

/* ---------- Ruler rail (desktop wayfinding) ---------- */
.ruler{
  position:fixed; left:0; top:0; bottom:0; width:56px;
  display:none;
  flex-direction:column; align-items:center; justify-content:center;
  gap:0; z-index:60; pointer-events:none;
}
@media (min-width: 1160px){ .ruler{ display:flex; } }
.ruler-track{ position:relative; height:70vh; width:1px; background:var(--line-strong); }
.ruler-tick{
  position:absolute; left:50%; transform:translate(-50%,-50%);
  width:9px; height:9px; border-radius:50%;
  background:var(--panel); border:1px solid var(--line-strong);
  pointer-events:auto;
}
.ruler-tick[data-active="true"]{ background:var(--blue); border-color:var(--blue); box-shadow:0 0 0 4px var(--blue-soft); }
.ruler-label{
  position:absolute; left:16px; transform:translateY(-50%);
  font-family:var(--mono); font-size:.62rem; letter-spacing:.08em;
  color:var(--steel-dim); white-space:nowrap; text-transform:uppercase;
  opacity:0; transition:opacity .2s ease; pointer-events:none;
}
.ruler-tick[data-active="true"] + .ruler-label{ opacity:1; color:var(--paper); }

/* ---------- Header ---------- */
header{
  position:sticky; top:0; z-index:100;
  background:rgba(10,14,20,0.82); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{ display:flex; align-items:center; justify-content:space-between; height:76px; }
.brand{ display:flex; align-items:center; gap:.7rem; text-decoration:none; }
.brand img{ height:44px; width:auto; object-fit:contain; }
.brand-text{ font-family:var(--brand-font); font-weight:700; font-size:1.15rem; letter-spacing:.03em; }
.brand-text b{ color:var(--steel); font-weight:700; }
.brand-text span{ color:var(--blue); font-weight:700; }

.nav-links{ display:none; align-items:center; gap:2.1rem; }
@media (min-width:900px){ .nav-links{ display:flex; } }
.nav-links a{
  text-decoration:none; color:var(--steel); font-size:.92rem;
  font-family:var(--mono); letter-spacing:.02em; position:relative;
}
.nav-links a:hover{ color:var(--paper); }

.btn{
  font-family:var(--mono); font-size:.85rem; letter-spacing:.02em;
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.8rem 1.3rem; text-decoration:none; border:1px solid transparent;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition:background .15s ease, border-color .15s ease;
  white-space:nowrap; will-change:transform;
}
.btn-primary{ background:var(--silver-bright); color:var(--ink); font-weight:600; }
.btn-primary:hover{ background:var(--blue); color:var(--ink); }
.btn-ghost{ border-color:var(--line-strong); color:var(--paper); }
.btn-ghost:hover{ border-color:var(--blue); color:var(--blue); }
.btn-small{ padding:.55rem .9rem; font-size:.78rem; }
@media (prefers-reduced-motion: reduce){ .btn:hover{ transform:translateY(-2px); transition:transform .15s ease; } }

.nav-cta{ display:none; }
@media (min-width:640px){ .nav-cta{ display:inline-flex; } }

.burger{
  display:flex; background:none; border:1px solid var(--line-strong); color:var(--paper);
  width:42px; height:42px; align-items:center; justify-content:center; cursor:pointer;
}
@media (min-width:900px){ .burger{ display:none; } }

.mobile-drawer{
  position:fixed; inset:0; background:var(--ink); z-index:150;
  display:flex; flex-direction:column; padding:1.5rem;
  transform:translateY(-100%); transition:transform .25s ease;
}
.mobile-drawer.open{ transform:translateY(0); }
.mobile-drawer .drawer-top{ display:flex; justify-content:space-between; align-items:center; }
.mobile-drawer nav{ display:flex; flex-direction:column; gap:1.6rem; margin-top:3rem; }
.mobile-drawer nav a{ font-family:var(--display); font-size:1.7rem; text-decoration:none; color:var(--paper); }

/* ---------- Sheet section wrapper ---------- */
.sheet{ position:relative; padding:5.5rem 0; border-bottom:1px solid var(--line); }
.sheet-id{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--steel-dim); display:flex; align-items:center; gap:.6rem; margin-bottom:2.2rem;
}
.sheet-id::before{ content:""; width:24px; height:1px; background:var(--steel-dim); }

.eyebrow{
  font-family:var(--mono); font-size:.78rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--blue); margin-bottom:1.1rem; display:block;
}

/* ---------- Hero ---------- */
.hero{ padding:6.5rem 0 5rem; border-bottom:1px solid var(--line); position:relative; overflow:hidden; }
.hero::before{
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(173,183,201,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(173,183,201,0.08) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 25%, black 35%, transparent 85%);
  mask-image: radial-gradient(ellipse 75% 65% at 50% 25%, black 35%, transparent 85%);
}
.hero-spotlight{
  position:absolute; inset:0; pointer-events:none; z-index:1;
  background:
    radial-gradient(900px circle at var(--mx,50%) var(--my,20%), rgba(91,147,255,0.24), transparent 60%),
    radial-gradient(500px circle at var(--mx,50%) var(--my,20%), rgba(231,236,245,0.08), transparent 70%);
  transition: background .08s ease-out;
}
@media (prefers-reduced-motion: reduce){ .hero-spotlight{ display:none; } }

/* ---------- Background beams (ambient circuit traces) ---------- */
.hero-beams{ position:absolute; inset:0; z-index:0; pointer-events:none; opacity:.7; }
.hero-beams svg{ width:100%; height:100%; display:block; }
.beam{ fill:none; stroke:var(--blue); stroke-width:1.5; stroke-dasharray:8 16; opacity:.32; animation:beamFlow 5s linear infinite; }
.beam-2{ animation-duration:7.5s; opacity:.2; stroke:var(--steel); animation-delay:-2s; }
.beam-3{ animation-duration:6.2s; opacity:.26; animation-delay:-4s; }
@keyframes beamFlow{ to{ stroke-dashoffset:-240; } }
@media (prefers-reduced-motion: reduce){ .beam{ animation:none; } }
.hero-grid{ position:relative; z-index:1; display:grid; grid-template-columns:1fr; gap:3rem; align-items:center; }
@media (min-width:980px){ .hero-grid{ grid-template-columns:1.1fr .9fr; gap:2rem; } }
.hero h1{ font-size:clamp(2.3rem, 5.4vw, 3.7rem); margin-bottom:1.4rem; }
.hero h1 em{ font-style:normal; color:var(--blue); }
.hero h1 .word{ display:inline-block; will-change:transform,opacity; }
.hero-sub{ color:var(--steel); font-size:1.12rem; max-width:52ch; margin-bottom:2.1rem; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:.9rem; margin-bottom:2.6rem; }
.stat-band{ display:flex; flex-wrap:wrap; gap:2.6rem; }
.stat-top{ display:flex; align-items:baseline; }
.stat-num{ font-family:var(--display); font-size:2.2rem; font-weight:700; color:var(--paper); font-variant-numeric:tabular-nums; text-shadow:0 0 28px rgba(91,147,255,0.4); }
.stat-suffix{ font-family:var(--display); font-size:1.3rem; font-weight:700; color:var(--blue); margin-left:.1rem; }
.stat-label{ display:block; font-family:var(--mono); font-size:.7rem; color:var(--steel-dim); margin-top:.35rem; max-width:15ch; line-height:1.4; }

/* ---------- Marquee ticker ---------- */
.marquee{
  overflow:hidden; border-bottom:1px solid var(--line); background:var(--panel); padding:.9rem 0;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track{ display:flex; gap:2rem; width:max-content; animation:marqueeScroll 24s linear infinite; }
@media (prefers-reduced-motion: reduce){ .marquee-track{ animation:none; } }
.marquee-track span{ font-family:var(--mono); font-size:.76rem; letter-spacing:.07em; text-transform:uppercase; color:var(--steel); white-space:nowrap; }
.marquee-track span.sep{ color:var(--blue); }
@keyframes marqueeScroll{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

/* schematic diagram */
.schema{ position:relative; aspect-ratio:1/1; max-width:440px; margin:0 auto; }
.schema svg{ width:100%; height:100%; }
.schema-path{ fill:none; stroke:var(--line-strong); stroke-width:1.5; }
.schema-path-live{ fill:none; stroke:var(--blue); stroke-width:2; stroke-dasharray:6 10; animation:dash 3.2s linear infinite; }
@media (prefers-reduced-motion: reduce){ .schema-path-live{ animation:none; } }
@keyframes dash{ to{ stroke-dashoffset:-160; } }
.schema-node{ fill:var(--panel-2); stroke:var(--line-strong); stroke-width:1.5; }
.schema-node-hot{ fill:var(--silver-bright); stroke:var(--silver-bright); }
.schema-label{ font-family:var(--mono); font-size:9px; fill:var(--steel); letter-spacing:.04em; }
.schema-label-hot{ fill:var(--ink); font-weight:600; }

/* ---------- Card w/ corner brackets (shared by Diferenciais, Servicos, Projetos) ---------- */
.bracket{
  position:relative; border:1px solid var(--line); background:var(--panel); padding:2rem;
  transform-style:preserve-3d; will-change:transform; transition:border-color .2s ease, box-shadow .2s ease;
}
.bracket::before,.bracket::after{
  content:""; position:absolute; width:14px; height:14px; border:2px solid var(--blue);
  opacity:.85;
}
.bracket::before{ top:-1px; left:-1px; border-right:none; border-bottom:none; z-index:2; }
.bracket::after{ bottom:-1px; right:-1px; border-left:none; border-top:none; z-index:2; }
.bracket:hover{ border-color:var(--blue); box-shadow:0 0 0 1px rgba(91,147,255,0.3), 0 28px 50px -24px rgba(91,147,255,0.55); transform:scale(1.015); }
.bracket .glare{
  position:absolute; inset:0; pointer-events:none; z-index:1;
  background: radial-gradient(280px circle at var(--gx,50%) var(--gy,50%), rgba(130,180,255,0.4), transparent 70%);
  mix-blend-mode:screen; opacity:0; transition:opacity .3s ease;
}

/* ---------- Diferenciais ---------- */
.diff-grid{ display:grid; grid-template-columns:1fr; gap:1.4rem; }
@media (min-width:720px){ .diff-grid{ grid-template-columns:1fr 1fr; } }
.diff-num{ font-family:var(--mono); font-size:.75rem; color:var(--steel-dim); display:block; margin-bottom:1rem; }
.diff-item h3{ font-size:1.28rem; margin-bottom:.7rem; }
.diff-item p{ color:var(--steel); font-size:.98rem; }

/* ---------- Services ---------- */
.services-grid{ display:grid; grid-template-columns:1fr; gap:1.4rem; }
@media (min-width:860px){ .services-grid{ grid-template-columns:repeat(3,1fr); } }
.service-card h3{ font-size:1.25rem; margin:.9rem 0 .8rem; }
.service-tag{ font-family:var(--mono); font-size:.7rem; color:var(--blue); letter-spacing:.06em; text-transform:uppercase; }
.service-card p.desc{ color:var(--steel); font-size:.95rem; margin-bottom:1.2rem; }
.service-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.55rem; }
.service-list li{ font-size:.88rem; color:var(--steel); display:flex; gap:.6rem; }
.service-list li::before{ content:"·"; color:var(--steel-dim); flex:none; }

/* ---------- Process (real ruler ticks) ---------- */
.process-rail{ position:relative; padding-left:2.2rem; border-left:1px solid var(--line-strong); display:flex; flex-direction:column; gap:2.6rem; }
.process-step{ position:relative; }
.process-step::before{
  content:attr(data-step); position:absolute; left:-2.55rem; top:0;
  width:20px; height:20px; display:flex; align-items:center; justify-content:center;
  font-family:var(--mono); font-size:.68rem; color:var(--ink); background:var(--steel);
  border-radius:50%;
}
.process-step h3{ font-size:1.15rem; margin-bottom:.5rem; }
.process-step p{ color:var(--steel); font-size:.95rem; max-width:60ch; }

/* ---------- Portfolio ---------- */
.case-grid{ display:grid; grid-template-columns:1fr; gap:1.6rem; }
@media (min-width:900px){ .case-grid{ grid-template-columns:repeat(3,1fr); } }
.case-card{ display:flex; flex-direction:column; }
.case-tag{
  align-self:flex-start; font-family:var(--mono); font-size:.68rem; letter-spacing:.05em; text-transform:uppercase;
  color:var(--steel); border:1px solid var(--line-strong); padding:.3rem .6rem; margin-bottom:1.1rem;
}
.case-featured{ border-color:var(--blue); box-shadow:0 0 0 1px rgba(91,147,255,0.28), 0 24px 50px -28px rgba(91,147,255,0.55); }
.case-tag-featured{ color:var(--ink); background:var(--blue); border-color:var(--blue); }
.case-card h3{ font-size:1.2rem; margin-bottom:.6rem; }
.case-loc{ font-family:var(--mono); font-size:.75rem; color:var(--steel-dim); margin-bottom:.9rem; display:block; }
.case-card p.desc{ color:var(--steel); font-size:.92rem; margin-bottom:1rem; flex:1; }
.case-stat{ font-family:var(--mono); font-size:.78rem; color:var(--blue); margin-bottom:1.1rem; }
.case-tags{ display:flex; flex-wrap:wrap; gap:.4rem; margin-bottom:1.3rem; }
.case-tags span{ font-family:var(--mono); font-size:.68rem; color:var(--steel); border:1px solid var(--line); padding:.25rem .55rem; }
.case-links{ display:flex; gap:1.2rem; margin-top:auto; }
.case-links a{ font-family:var(--mono); font-size:.8rem; color:var(--paper); text-decoration:none; border-bottom:1px solid var(--line-strong); padding-bottom:2px; }
.case-links a:hover{ color:var(--blue); border-color:var(--blue); }

/* ---------- About ---------- */
.about-grid{ display:grid; grid-template-columns:1fr; gap:2.6rem; }
@media (min-width:900px){ .about-grid{ grid-template-columns:1.3fr .7fr; } }
.about-text p{ color:var(--steel); font-size:1.02rem; margin-bottom:1.1rem; max-width:64ch; }
.about-text strong{ color:var(--paper); }
.credentials{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:1.1rem; border-left:1px solid var(--line-strong); padding-left:1.3rem; }
.credentials li{ font-size:.9rem; }
.credentials b{ display:block; color:var(--paper); font-size:.95rem; }
.credentials span{ font-family:var(--mono); font-size:.75rem; color:var(--steel-dim); }

/* ---------- FAQ ---------- */
.faq-list{ display:flex; flex-direction:column; border-top:1px solid var(--line); max-width:840px; }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; color:var(--paper);
  font-family:var(--display); font-size:1.08rem; padding:1.4rem 0; cursor:pointer;
  display:flex; justify-content:space-between; align-items:center; gap:1rem;
}
.faq-q .plus{ font-family:var(--mono); color:var(--blue); flex:none; transition:transform .2s ease; }
.faq-item[data-open="true"] .plus{ transform:rotate(45deg); }
.faq-a{ overflow:hidden; max-height:0; transition:max-height .25s ease; }
.faq-item[data-open="true"] .faq-a{ max-height:220px; }
.faq-a p{ color:var(--steel); font-size:.95rem; padding-bottom:1.5rem; max-width:68ch; }

/* ---------- Final CTA ---------- */
.final-cta{ position:relative; overflow:hidden; text-align:left; padding:6rem 0; }
.final-cta::before{
  content:""; position:absolute; inset:-20%; z-index:0; pointer-events:none; filter:blur(30px);
  background:
    radial-gradient(600px circle at 20% 30%, rgba(91,147,255,0.24), transparent 60%),
    radial-gradient(500px circle at 80% 70%, rgba(91,147,255,0.14), transparent 60%);
  animation: ctaDrift 12s ease-in-out infinite alternate;
}
@keyframes ctaDrift{
  from{ transform:translate(0,0) scale(1); }
  to{ transform:translate(-4%, 3%) scale(1.1); }
}
@media (prefers-reduced-motion: reduce){ .final-cta::before{ animation:none; } }
.final-cta .wrap{ position:relative; z-index:1; }
.final-cta h2{ font-size:clamp(1.9rem,4.2vw,2.8rem); max-width:20ch; margin-bottom:1.6rem; }
.final-cta-row{ display:flex; flex-wrap:wrap; align-items:center; gap:1.4rem; }
.final-cta-note{ font-family:var(--mono); font-size:.8rem; color:var(--steel-dim); }

/* ---------- Footer ---------- */
footer{ padding:3.5rem 0 2.5rem; }
.footer-grid{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:2.5rem; margin-bottom:2.5rem; }
.footer-brand{ display:flex; flex-direction:column; }
.footer-brand .brand{ align-items:center; }
.footer-brand img{ height:84px; width:auto; object-fit:contain; }
.footer-brand .brand-text{ font-size:1.4rem; }
.footer-brand p{ color:var(--steel-dim); font-size:.85rem; max-width:32ch; margin-top:1rem; }
.footer-cols{ display:flex; gap:3.2rem; flex-wrap:wrap; }
.footer-col{ display:flex; flex-direction:column; gap:.7rem; }
.footer-col span.h{ font-family:var(--mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--steel-dim); margin-bottom:.3rem; }
.footer-col a{ text-decoration:none; color:var(--steel); font-size:.88rem; }
.footer-col a:hover{ color:var(--blue); }
.footer-bottom{ border-top:1px solid var(--line); padding-top:1.6rem; display:flex; flex-wrap:wrap; justify-content:space-between; gap:.8rem; font-family:var(--mono); font-size:.72rem; color:var(--steel-dim); }

.reveal{ opacity:0; transform:translateY(14px); transition:opacity .5s ease, transform .5s ease; }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; transition:none; } }

h2.section-title{ font-size:clamp(1.7rem,3.4vw,2.4rem); max-width:20ch; margin-bottom:1rem; }
.section-sub{ color:var(--steel); max-width:56ch; margin-bottom:2.8rem; font-size:1rem; }