/* MIT Sistemas — folha de estilo principal */
:root{
  --bg:#080d14; --bg-2:#060a10; --panel-a:rgba(255,255,255,.05); --panel-b:rgba(255,255,255,.015);
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.12);
  --text:#e8edf4; --muted:#a9b6c6; --muted-2:#9aa8b8; --muted-3:#7d8b9c; --muted-4:#6d7b8c;
  --accent:#b7d433; --accent-hi:#cbe650; --ink:#0a1018; --blue:#2f7bff;
  --font:'Archivo',system-ui,-apple-system,'Segoe UI',sans-serif;
  --wrap:1240px; --pad:28px;

  /* Tokens dependentes de tema */
  --header-bg:rgba(8,13,20,.82);
  --nav-mobile-bg:rgba(8,13,20,.98);
  --card-border:rgba(255,255,255,.1);
  --card-border-hover:rgba(183,212,51,.5);
  --input-bg:rgba(0,0,0,.35);
  --input-border:rgba(255,255,255,.16);
  --ghost-bg:rgba(255,255,255,.04);
  --ghost-border:rgba(255,255,255,.18);
  --window-bg:#0d1520;
  --window-dot:#2a3546;
  --shadow-lg:0 30px 80px rgba(0,0,0,.55);
  --text-2:#c9d4e0;
  --text-3:#8494a6;
  --num:#5d6b7d;
  --legal-line:rgba(255,255,255,.07);
  --glow-blue:rgba(47,123,255,.20);
  --glow-accent:rgba(183,212,51,.10);
  --badge-bg:rgba(183,212,51,.08);
  --badge-border:rgba(183,212,51,.35);
  --panel-grad-b:rgba(255,255,255,.02);
  --form-grad-a:rgba(255,255,255,.06);
  --form-grad-b:rgba(255,255,255,.02);
  --cta-grad:linear-gradient(120deg,rgba(47,123,255,.16),rgba(183,212,51,.10));
  color-scheme:dark;
}

/* Tema claro */
:root[data-theme="light"]{
  --bg:#f6f8fb; --bg-2:#eef2f7; --panel-a:rgba(15,25,40,.035); --panel-b:rgba(15,25,40,.012);
  --line:rgba(15,25,40,.10); --line-2:rgba(15,25,40,.16);
  --text:#101b2b; --muted:#4a5b70; --muted-2:#55677d; --muted-3:#6b7c92; --muted-4:#7a8b9f;
  --accent:#6f8a10; --accent-hi:#5c7309; --ink:#ffffff; --blue:#2f7bff;

  --header-bg:rgba(255,255,255,.88);
  --nav-mobile-bg:rgba(255,255,255,.98);
  --card-border:rgba(15,25,40,.12);
  --card-border-hover:rgba(111,138,16,.55);
  --input-bg:#ffffff;
  --input-border:rgba(15,25,40,.18);
  --ghost-bg:rgba(15,25,40,.03);
  --ghost-border:rgba(15,25,40,.18);
  --window-bg:#ffffff;
  --window-dot:#ccd6e2;
  --shadow-lg:0 24px 60px rgba(15,25,40,.14);
  --text-2:#2b3a4d;
  --text-3:#5d6d80;
  --num:#8a99ab;
  --legal-line:rgba(15,25,40,.10);
  --glow-blue:rgba(47,123,255,.12);
  --glow-accent:rgba(183,212,51,.16);
  --badge-bg:rgba(111,138,16,.10);
  --badge-border:rgba(111,138,16,.35);
  --panel-grad-b:rgba(15,25,40,.015);
  --form-grad-a:rgba(255,255,255,.9);
  --form-grad-b:rgba(255,255,255,.6);
  --cta-grad:linear-gradient(120deg,rgba(47,123,255,.10),rgba(183,212,51,.16));
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;line-height:1.5}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hi)}
::selection{background:rgba(183,212,51,.3)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;text-wrap:pretty}
p{margin:0}

.shell{min-height:100vh;background:
  radial-gradient(1200px 600px at 78% -8%, var(--glow-blue), transparent 60%),
  radial-gradient(900px 500px at 0% 0%, var(--glow-accent), transparent 55%), var(--bg)}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.section{border-top:1px solid var(--line);padding:84px 0}
.kicker{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.lead{font-size:17px;line-height:1.7;color:var(--muted);margin-top:22px}
.lead + .lead{margin-top:16px}
h2.title{font-size:42px;line-height:1.12;letter-spacing:-.025em;font-weight:800;margin-top:16px;max-width:760px}

/* Botões */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:inherit;font-size:15px;font-weight:700;
  padding:15px 26px;border-radius:10px;border:0;cursor:pointer;transition:background .18s,border-color .18s,color .18s,transform .18s}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-hi);color:var(--ink)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--ghost-bg);border:1px solid var(--ghost-border);color:var(--text);font-weight:600}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{font-size:14px;padding:11px 20px;border-radius:8px}

/* Cabeçalho */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:var(--header-bg);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:32px;padding-top:18px;padding-bottom:18px}
.brand img{height:50px;width:auto}
/* A logo foi desenhada para fundo escuro (texto branco). No tema claro,
   inverte-se a luminância mantendo o matiz verde da marca. */
:root[data-theme="light"] .brand img,
:root[data-theme="light"] .site-footer img{filter:invert(1) hue-rotate(180deg)}
.nav{display:flex;gap:28px;margin-left:auto;align-items:center}
.nav a.link{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:var(--text)}
.nav a.link:hover{color:var(--accent)}
.nav a.link .bar{height:2px;background:transparent;display:block}
.nav a.link.active .bar{background:var(--accent)}
/* Seletor de tema */
.theme-toggle{display:inline-flex;align-items:center;gap:8px;font-family:inherit;font-size:13px;font-weight:700;
  padding:9px 14px;border-radius:999px;cursor:pointer;color:var(--text);
  background:var(--ghost-bg);border:1px solid var(--ghost-border);
  transition:border-color .18s,color .18s,background .18s}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}
.theme-toggle .ico{font-size:15px;line-height:1}
.theme-toggle .ico-sun{display:inline}
.theme-toggle .ico-moon{display:none}
:root[data-theme="light"] .theme-toggle .ico-sun{display:none}
:root[data-theme="light"] .theme-toggle .ico-moon{display:inline}
.theme-toggle .theme-label{display:none}

.nav-toggle{display:none;background:none;border:1px solid var(--ghost-border);border-radius:8px;padding:8px 10px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);margin:4px 0}

/* Hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:88px;padding-bottom:64px}
.badge{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--badge-border);background:var(--badge-bg);
  padding:7px 14px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.hero h1{font-size:64px;line-height:1.04;letter-spacing:-.03em;font-weight:800;margin-top:26px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{font-size:19px;line-height:1.6;color:var(--muted);margin-top:22px;max-width:520px}
.hero .actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-art{position:relative}
.hero-art .glow{position:absolute;inset:-40px;background:radial-gradient(circle at 60% 40%, rgba(47,123,255,.35), transparent 65%);filter:blur(20px);animation:glow 6s ease-in-out infinite}
.window{position:relative;border:1px solid var(--line-2);border-radius:16px;overflow:hidden;background:var(--window-bg);box-shadow:var(--shadow-lg)}
.window .bar{display:flex;gap:7px;padding:14px 16px;border-bottom:1px solid var(--line)}
.window .bar i{width:10px;height:10px;border-radius:50%;background:var(--window-dot);display:block}
.window .shot{height:340px;overflow:hidden}
.window .shot img{width:100%;height:100%;object-fit:cover}
@keyframes glow{0%,100%{opacity:.45}50%{opacity:.8}}

/* Números */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:84px}
.stat{position:relative;overflow:hidden;padding:28px 26px 26px;border-radius:16px;
  border:1px solid var(--card-border);
  background:linear-gradient(180deg,var(--panel-a),var(--panel-grad-b));
  transition:border-color .25s,transform .25s,box-shadow .25s}
/* Brilho que acompanha o cursor (posição vinda do JS via --mx/--my) */
.stat::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .25s;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,0%), rgba(183,212,51,.16), transparent 65%)}
/* Linha de destaque no topo, revelada no hover */
.stat::after{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  transform:scaleX(0);transition:transform .35s}
.stat:hover{border-color:var(--card-border-hover);transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.stat:hover::before{opacity:1}
.stat:hover::after{transform:scaleX(1)}
.stat .ico{width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  color:var(--accent);background:var(--badge-bg);border:1px solid var(--badge-border);
  transition:transform .25s}
.stat .ico svg{width:21px;height:21px}
.stat:hover .ico{transform:scale(1.08) rotate(-4deg)}
.stat .n{font-size:40px;font-weight:800;color:var(--accent);letter-spacing:-.03em;margin-top:20px;
  line-height:1;font-variant-numeric:tabular-nums}
.stat .l{font-size:13px;color:var(--muted-2);margin-top:10px;letter-spacing:.05em;text-transform:uppercase;font-weight:700}
.stat .hint{font-size:13px;line-height:1.55;color:var(--muted-3);margin-top:10px}
/* Entrada escalonada quando a seção aparece na tela */
.stats[data-stats] .stat{opacity:0;transform:translateY(20px);
  transition:opacity .6s ease,transform .6s ease,border-color .25s,box-shadow .25s}
.stats[data-stats].in .stat{opacity:1;transform:none}
.stats[data-stats].in .stat:nth-child(2){transition-delay:.1s}
.stats[data-stats].in .stat:nth-child(3){transition-delay:.2s}
.stats[data-stats].in .stat:nth-child(4){transition-delay:.3s}
@media (prefers-reduced-motion:reduce){
  .stats[data-stats] .stat{opacity:1;transform:none;transition:border-color .25s}
  .stat:hover{transform:none}
}

/* Grades e cartões */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split.rev{grid-template-columns:.95fr 1.05fr}
.card{border:1px solid var(--card-border);border-radius:14px;padding:32px 28px 30px;
  background:linear-gradient(180deg,var(--panel-a),var(--panel-b));transition:border-color .18s,transform .18s;display:block;color:inherit}
a.card:hover{border-color:var(--card-border-hover);transform:translateY(-4px);color:inherit}
.card .num{font-size:13px;font-weight:700;color:var(--num);letter-spacing:.08em}
.card h3{font-size:23px;font-weight:700;margin-top:14px;letter-spacing:-.01em}
.card p{font-size:15px;line-height:1.65;color:var(--muted-2);margin-top:12px}
.card .more{margin-top:22px;font-size:14px;font-weight:700;color:var(--accent)}
.quote{border:1px solid var(--card-border);border-radius:14px;padding:32px 28px;background:linear-gradient(180deg,var(--panel-a),var(--panel-b))}
.quote .mark{font-size:34px;line-height:1;color:var(--accent)}
.quote p{font-size:16px;line-height:1.7;color:var(--text-2);margin-top:12px}
.quote .who{margin-top:24px;font-size:14px;font-weight:700}
.figure{border-radius:16px;overflow:hidden;border:1px solid var(--line-2);height:420px}
.figure img{width:100%;height:100%;object-fit:cover}
.figure.sm{height:380px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.gallery a,.gallery button{position:relative;height:240px;padding:0;border-radius:12px;overflow:hidden;
  border:1px solid var(--card-border);display:block;background:none;cursor:pointer;
  transition:border-color .25s,transform .25s}
.gallery a:hover,.gallery button:hover{border-color:var(--card-border-hover);transform:translateY(-3px)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.gallery a:hover img,.gallery button:hover img{transform:scale(1.04)}
/* Lupa que aparece ao passar o mouse */
.gallery button::after{content:"⤢";position:absolute;right:12px;bottom:12px;width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:15px;
  background:rgba(10,16,24,.72);color:#fff;opacity:0;transform:scale(.85);transition:opacity .25s,transform .25s}
.gallery button:hover::after,.gallery button:focus-visible::after{opacity:1;transform:scale(1)}

/* Lightbox (portfólio) */
.lightbox{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:28px}
.lightbox[hidden]{display:none}
.lightbox-backdrop{position:absolute;inset:0;background:rgba(4,8,13,.88);backdrop-filter:blur(6px);
  animation:lb-fade .25s ease}
.lightbox-body{position:relative;display:flex;align-items:center;gap:14px;max-width:100%;max-height:100%;
  animation:lb-in .28s cubic-bezier(.2,.8,.3,1)}
.lightbox-figure{margin:0;max-width:min(1100px,88vw);max-height:86vh;display:flex;flex-direction:column;gap:14px}
.lightbox-figure img{max-width:100%;max-height:78vh;width:auto;height:auto;object-fit:contain;
  border-radius:14px;border:1px solid rgba(255,255,255,.14);box-shadow:0 30px 90px rgba(0,0,0,.6);background:#0d1520}
.lightbox-figure figcaption{text-align:center;font-size:14px;font-weight:600;color:#c9d4e0}
.lightbox-close{position:absolute;top:-46px;right:0;width:38px;height:38px;border-radius:50%;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:22px;line-height:1;font-family:inherit;
  color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);transition:background .18s}
.lightbox-close:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.lightbox-arrow{width:44px;height:44px;flex:0 0 auto;border-radius:50%;cursor:pointer;font-size:18px;
  display:flex;align-items:center;justify-content:center;font-family:inherit;
  color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);transition:background .18s}
.lightbox-arrow:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}
@keyframes lb-fade{from{opacity:0}to{opacity:1}}
@keyframes lb-in{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .lightbox-backdrop,.lightbox-body{animation:none}
}
@media (max-width:680px){
  .lightbox{padding:16px}
  .lightbox-body{gap:6px}
  .lightbox-arrow{width:36px;height:36px;font-size:15px}
  .lightbox-figure{max-width:82vw}
}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tags span{border:1px solid var(--input-border);padding:7px 14px;border-radius:999px;font-size:13px;color:var(--text-2)}

/* Carrossel */
.carousel{position:relative}
.carousel-viewport{overflow:hidden}
.carousel-track{display:flex;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.carousel-slide{flex:0 0 100%;min-width:100%}
.carousel-slide .grid-3{margin-top:44px}
.carousel-nav{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:36px}
.carousel-arrow{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex:0 0 auto;
  border-radius:50%;cursor:pointer;font-size:16px;font-family:inherit;color:var(--text);
  background:var(--ghost-bg);border:1px solid var(--ghost-border);
  transition:border-color .18s,color .18s}
.carousel-arrow:hover{border-color:var(--accent);color:var(--accent)}
.carousel-dots{display:flex;align-items:center;gap:10px}
.carousel-dots button{width:9px;height:9px;padding:0;border:0;border-radius:50%;cursor:pointer;
  background:var(--ghost-border);transition:background .18s,transform .18s}
.carousel-dots button:hover{background:var(--muted-3)}
.carousel-dots button[aria-current="true"]{background:var(--accent);transform:scale(1.35)}
@media (prefers-reduced-motion:reduce){.carousel-track{transition:none}}

/* Cabeçalho de página interna */
.page-head{padding-top:88px;padding-bottom:60px}
.page-head h1{font-size:60px;line-height:1.06;letter-spacing:-.03em;font-weight:800;margin-top:20px;max-width:900px}

/* Contato */
.contact-list{display:flex;flex-direction:column;margin-top:34px;border-top:1px solid var(--card-border)}
.contact-list .row{padding:20px 0;border-bottom:1px solid var(--card-border)}
.contact-list .row:last-child{border-bottom:0}
.contact-list .lbl{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-3);font-weight:700}
.contact-list a{font-size:19px;font-weight:700;display:inline-block;margin-top:8px}
.social{display:flex;gap:18px;margin-top:10px}
.social a{font-size:16px;font-weight:600}
.form-card{border:1px solid var(--line-2);border-radius:16px;padding:38px 34px;background:linear-gradient(180deg,var(--form-grad-a),var(--form-grad-b))}
.form-card h2{font-size:26px;font-weight:800}
.field{display:flex;flex-direction:column;gap:8px;margin-top:18px}
.field label{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2)}
.field input,.field textarea{background:var(--input-bg);border:1px solid var(--input-border);border-radius:10px;
  padding:14px 16px;color:var(--text);font-family:inherit;font-size:15px}
.field input:focus,.field textarea:focus{border-color:var(--accent)}
.field textarea{resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.form-row .field{margin-top:0}
.note{font-size:13px;color:var(--muted-3);margin-top:14px}
/* Campo-armadilha: escondido de pessoas, mas visível para robôs no HTML.
   Não use display:none — robôs mais espertos ignoram campos ocultos assim. */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.verificacao label strong{color:var(--accent);font-size:14px}
.form-status{margin-top:16px;padding:13px 16px;border-radius:10px;font-size:14px;font-weight:600;line-height:1.5}
.form-status[hidden]{display:none}
.form-status.ok{background:var(--badge-bg);border:1px solid var(--badge-border);color:var(--accent)}
.form-status.erro{background:rgba(255,92,92,.10);border:1px solid rgba(255,92,92,.4);color:#ff8080}
:root[data-theme="light"] .form-status.erro{color:#c02626;background:rgba(192,38,38,.07);border-color:rgba(192,38,38,.3)}
.btn[disabled]{opacity:.6;cursor:progress}

/* Chamada final */
.cta{border-top:1px solid var(--line);background:var(--cta-grad)}
.cta .wrap{padding-top:72px;padding-bottom:72px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta h2{font-size:40px;line-height:1.12;letter-spacing:-.025em;font-weight:800;margin-top:14px;max-width:640px}
.cta p{font-size:17px;color:var(--muted);margin-top:14px;max-width:560px}

/* Rodapé */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2)}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-top:54px;padding-bottom:34px}
.site-footer img{height:28px;width:auto}
.site-footer .about{font-size:15px;line-height:1.7;color:var(--text-3);margin-top:18px;max-width:340px}
.site-footer .col{display:flex;flex-direction:column;gap:12px}
.site-footer .hd{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-3);font-weight:700}
.site-footer .col a{font-size:15px;color:var(--text-2)}
.site-footer .col a:hover{color:var(--accent)}
.legal{border-top:1px solid var(--legal-line);padding-top:22px;padding-bottom:40px;font-size:13px;color:var(--muted-4)}

@media (max-width:1000px){
  .hero,.split,.split.rev,.grid-2{grid-template-columns:1fr;gap:36px}
  .stats{grid-template-columns:1fr 1fr}
  .site-footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav-toggle{display:block;margin-left:auto}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--nav-mobile-bg);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:flex-start;gap:0;padding:12px 28px 22px;display:none}
  .nav.open{display:flex}
  .nav a.link{width:100%;padding:14px 0;font-size:16px}
  .nav a.link .bar{display:none}
  .nav .btn{margin-top:12px}
  .nav .theme-toggle{margin-top:10px;width:100%;justify-content:center;padding:12px 16px;font-size:14px}
  .theme-toggle .theme-label{display:inline}
  .site-header .wrap{position:relative;gap:16px}
  .hero h1{font-size:clamp(34px,7vw,48px)}
  .page-head h1{font-size:clamp(32px,7vw,44px)}
  h2.title,.cta h2{font-size:clamp(26px,5vw,34px)}
}
@media (max-width:680px){
  :root{--pad:20px}
  .section{padding:56px 0}
  .grid-3,.gallery{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .site-footer .cols{grid-template-columns:1fr}
  .figure,.figure.sm{height:260px}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:28px 22px}
}