/* ==========================================================================
   TrustD :: style.css  (dark editorial)
   Carvão quente, hairlines, tipografia séria. Vermelho da marca só como acento.
   Sem gradiente decorativo, sem glow, sem card em tudo, sem dashboard falso.
   ========================================================================== */

:root{
  --bg:#0f0f10;          /* near-black quente */
  --bg-2:#161617;        /* painel sutil */
  --bg-3:#1c1c1e;
  --paper:#f3f1ec;       /* seção clara (quebra o preto) */
  --paper-ink:#1a1a1b;
  --ink:#eae8e4;         /* texto principal (off-white quente) */
  --ink-soft:#b0aea9;
  --muted:#7c7a76;
  --line:#28282b;        /* hairline no escuro */
  --line-2:#37373a;
  --red:#d3372b;         /* vermelho da marca (acento) */
  --red-hover:#e0473b;
  --maxw:1140px;
  --font:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);
  line-height:1.6;font-size:16.5px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-weight:600;line-height:1.18;letter-spacing:-.01em}
strong{font-weight:600}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--red);color:#fff;padding:10px 16px;border-radius:6px;z-index:200}

.eyebrow{font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
  font-weight:600;display:inline-block}
.eyebrow .n{color:var(--red);margin-right:8px}
.accent{color:var(--red)}
.rule{height:1px;background:var(--line);border:0}

/* ---------- Botões (poucos, sóbrios) ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;
  padding:12px 22px;border:1px solid transparent;border-radius:2px;cursor:pointer;
  transition:background .15s,border-color .15s,color .15s}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-hover)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-line:hover{border-color:var(--ink)}
.btn-line-dark{background:transparent;color:var(--paper-ink);border-color:#c9c5bd}
.btn-line-dark:hover{border-color:var(--paper-ink)}

/* link com seta */
.arrow{color:var(--ink);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;
  border-bottom:1px solid var(--line-2);padding-bottom:3px;transition:border-color .15s}
.arrow:hover{border-color:var(--red)}
.arrow svg{width:15px;height:15px;transition:transform .15s}
.arrow:hover svg{transform:translateX(3px)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(15,15,16,.82);
  backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s,background .2s}
.site-header.scrolled{background:rgba(15,15,16,.95);border-bottom-color:var(--line)}
.hd-row{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:34px;height:auto}
.brand-txt{font-weight:700;font-size:19px;letter-spacing:-.01em;color:var(--ink);display:flex;flex-direction:column;line-height:1}
.brand-txt em{font-style:normal;font-weight:500;font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin-top:4px}
.brand-txt.light{color:#fff;flex-direction:row;align-items:center;gap:10px;font-size:20px}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav > a{font-size:14.5px;color:var(--ink-soft);transition:color .15s;position:relative;padding:4px 0}
.main-nav > a:hover{color:var(--ink)}
.main-nav > a[aria-current="page"]{color:var(--ink)}
.main-nav > a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--red)}
.nav-cta{font-size:14.5px;color:var(--ink);border:1px solid var(--line-2);padding:9px 16px;border-radius:2px;transition:border-color .15s}
.nav-cta:hover{border-color:var(--ink)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.hamburger span{width:24px;height:2px;background:var(--ink);transition:.25s}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Seções ---------- */
section{padding:96px 0;border-bottom:1px solid var(--line)}
.sec-head{max-width:640px;margin-bottom:56px}
.sec-head h2{font-size:clamp(26px,3vw,34px);margin:16px 0 0;color:var(--ink)}
.sec-head p{color:var(--ink-soft);font-size:17px;margin-top:14px}

/* ---------- Hero ---------- */
.hero{padding:104px 0 96px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:64px;align-items:center}
.hero-grid > *{min-width:0}
.hero .eyebrow{margin-bottom:26px}
.hero h1{font-size:clamp(32px,4.4vw,52px);line-height:1.08;color:var(--ink);font-weight:600;max-width:14ch}
.hero p{margin-top:26px;font-size:19px;color:var(--ink-soft);max-width:52ch;line-height:1.55}
.hero-actions{margin-top:38px;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.hero-contact{margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;gap:40px;flex-wrap:wrap}
.hero-contact div span{display:block;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:5px}
.hero-contact div b{font-weight:600;font-size:16px;color:var(--ink)}
.hero-visual{display:flex;justify-content:center;align-items:center}
.hero-visual img{width:78%;max-width:300px;opacity:.96}

/* ---------- Lista de serviços (editorial, numerada, sem card) ---------- */
.svc-list{display:grid;grid-template-columns:1fr 1fr;gap:0 64px}
.svc-item{display:grid;grid-template-columns:auto 1fr;gap:22px;padding:26px 0;
  border-top:1px solid var(--line);transition:border-color .2s}
.svc-item:hover{border-top-color:var(--line-2)}
.svc-item .num{font-size:13px;color:var(--muted);font-weight:600;padding-top:4px;font-variant-numeric:tabular-nums}
.svc-item h3{font-size:19px;color:var(--ink);margin-bottom:6px;font-weight:600}
.svc-item p{font-size:15px;color:var(--ink-soft);line-height:1.5}
.svc-item .go{margin-top:12px;display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--muted);transition:color .15s}
.svc-item:hover .go{color:var(--red)}
.svc-item .go svg{width:14px;height:14px}

/* ---------- Problema (lista hairline, sem box) ---------- */
.prob-intro{max-width:620px;color:var(--ink-soft);font-size:17px;margin-bottom:44px}
.prob-intro b{color:var(--ink)}
.prob-list{display:grid;grid-template-columns:1fr 1fr;gap:0 64px}
.prob-list .pi{display:flex;align-items:baseline;gap:14px;padding:16px 0;border-top:1px solid var(--line);
  font-size:16px;color:var(--ink)}
.prob-list .pi::before{content:"";flex:0 0 6px;width:6px;height:6px;background:var(--red);
  transform:translateY(-2px)}
.prob-foot{margin-top:44px;font-size:18px;color:var(--ink);max-width:660px;line-height:1.5}
.prob-foot b{color:var(--ink);font-weight:600}

/* ---------- Como trabalhamos (texto + etapas, sem card) ---------- */
.work-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}
.work-copy h2{font-size:clamp(24px,2.6vw,30px);color:var(--ink);margin:16px 0 18px}
.work-copy p{color:var(--ink-soft);font-size:17px;line-height:1.6}
.steps{display:grid;gap:0}
.step{display:grid;grid-template-columns:auto 1fr;gap:26px;padding:24px 0;border-top:1px solid var(--line)}
.step .sn{font-size:13px;color:var(--red);font-weight:600;padding-top:3px;font-variant-numeric:tabular-nums}
.step h3{font-size:18px;color:var(--ink);margin-bottom:5px}
.step p{color:var(--ink-soft);font-size:15px}

/* ---------- Diferenciais (editorial, sem card, sem ícone) ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 56px}
.why-item{padding:28px 0;border-top:1px solid var(--line)}
.why-item h3{font-size:17px;color:var(--ink);margin-bottom:8px;font-weight:600}
.why-item h3 .b{color:var(--red);font-weight:600;margin-right:8px;font-size:13px;font-variant-numeric:tabular-nums}
.why-item p{color:var(--ink-soft);font-size:15px;line-height:1.55}

/* ---------- Seção clara (Sobre / institucional) ---------- */
.light-band{background:var(--paper);color:var(--paper-ink);border-bottom:1px solid #e2ddd3}
.light-band .eyebrow{color:#8a857a}
.light-band .eyebrow .n{color:var(--red)}
/* textos escuros dentro da faixa clara */
.light-band .sec-head h2,.light-band .work-copy h2,.light-band .why-item h3{color:var(--paper-ink)}
.light-band .sec-head p,.light-band .work-copy p,.light-band .why-item p{color:#4a4842}
.light-band .why-item{border-top-color:#ded9cf}
.light-band .step{border-top-color:#ded9cf}
.light-band .step h3{color:var(--paper-ink)}
.light-band .step p{color:#4a4842}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.about-grid > *{min-width:0}
.about-copy h2{font-size:clamp(26px,3vw,34px);color:var(--paper-ink);margin:16px 0 22px;font-weight:600}
.about-copy p{color:#4a4842;font-size:17px;line-height:1.65;margin-bottom:16px}
.about-side{border-left:1px solid #ded9cf;padding-left:40px}
.about-side .row{padding:20px 0;border-bottom:1px solid #e4dfd5}
.about-side .row:last-child{border-bottom:0}
.about-side .row b{display:block;color:var(--paper-ink);font-size:16px;font-weight:600;margin-bottom:4px}
.about-side .row span{color:#6d6a62;font-size:14.5px}

/* ---------- Tecnologias (linha discreta, texto) ---------- */
.tech{padding:56px 0}
.tech .container{display:flex;align-items:baseline;gap:40px;flex-wrap:wrap}
.tech .eyebrow{flex:0 0 auto}
.tech-list{color:var(--ink-soft);font-size:15.5px;line-height:2}
.tech-list span{color:var(--muted);margin:0 10px}

/* ---------- Clientes (placeholders honestos) ---------- */
.client-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.client-tile{height:96px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-right:0}
.client-tile:last-child{border-right:1px solid var(--line)}
.client-tile span{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);text-align:center;padding:0 10px}
.client-note{margin-top:20px;color:var(--muted);font-size:13.5px}

/* ---------- CTA (uma faixa sóbria) ---------- */
.cta{padding:88px 0}
.cta-grid{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-grid h2{font-size:clamp(24px,2.8vw,32px);color:var(--ink);max-width:20ch;font-weight:600}
.cta-grid p{color:var(--ink-soft);margin-top:12px;font-size:16px;max-width:46ch}

/* ---------- Page hero (subpáginas) ---------- */
.page-hero{padding:80px 0 64px;border-bottom:1px solid var(--line)}
.page-hero .crumb{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.page-hero .crumb a:hover{color:var(--ink)}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);color:var(--ink);max-width:16ch;font-weight:600}
.page-hero p{font-size:18px;color:var(--ink-soft);max-width:56ch;margin-top:18px;line-height:1.55}
.page-hero .btn{margin-top:32px}

/* ---------- Conteúdo de serviço (feature list + painel lateral) ---------- */
.feature-row{display:grid;grid-template-columns:1.2fr .8fr;gap:72px;align-items:start}
.feature-row > *{min-width:0}
.feature-list{display:grid;gap:0}
.feature-list .fi{display:grid;grid-template-columns:auto 1fr;gap:22px;padding:24px 0;border-top:1px solid var(--line)}
.feature-list .fi .fic{display:none}          /* sem ícone: editorial */
.feature-list .fi::before{content:"";width:22px;height:1px;background:var(--red);margin-top:14px}
.feature-list .fi h3{font-size:17px;color:var(--ink);margin-bottom:6px;font-weight:600}
.feature-list .fi p{color:var(--ink-soft);font-size:15px;line-height:1.5}
.side-card{border:1px solid var(--line);padding:32px;background:var(--bg-2)}
.side-card h3{color:var(--ink);font-size:18px;margin-bottom:12px;font-weight:600}
.side-card p{color:var(--ink-soft);font-size:15px;margin-bottom:20px;line-height:1.55}
.side-card ul{list-style:none;display:grid;gap:12px;margin-bottom:24px}
.side-card li{color:var(--ink-soft);font-size:15px;display:flex;gap:12px;align-items:baseline}
.side-card li::before{content:"";flex:0 0 5px;width:5px;height:5px;background:var(--red);transform:translateY(-2px)}

/* ---------- Contato ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px}
.contact-grid > *{min-width:0}
.contact-info h2{font-size:clamp(24px,2.8vw,32px);color:var(--ink);margin-bottom:16px;font-weight:600}
.contact-info .lead{color:var(--ink-soft);font-size:17px;margin-bottom:32px;line-height:1.55}
.cinfo-line{padding:18px 0;border-top:1px solid var(--line)}
.cinfo-line span{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.cinfo-line b{font-weight:600;font-size:17px;color:var(--ink)}
.cinfo-line a{color:var(--ink)}
.cinfo-line a:hover{color:var(--red)}
.form-card{border:1px solid var(--line);padding:34px;background:var(--bg-2)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.field input,.field textarea{width:100%;font-family:inherit;font-size:15px;color:var(--ink);
  background:var(--bg);border:1px solid var(--line-2);border-radius:2px;padding:12px 14px;transition:border-color .15s}
.field input::placeholder,.field textarea::placeholder{color:#5f5d59}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--red)}
.field textarea{resize:vertical;min-height:120px}
.form-card button{width:100%;justify-content:center;margin-top:6px}
.form-msg{padding:13px 15px;margin-bottom:20px;font-size:14.5px;border:1px solid}
.form-msg.ok{border-color:#2f5d3a;background:rgba(47,93,58,.18);color:#a7dcb5}
.form-msg.err{border-color:#6d2b26;background:rgba(109,43,38,.2);color:#e6a49d}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg);padding:64px 0 28px;border-top:1px solid var(--line)}
.ft-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.ft-brand .brand-txt.light img{opacity:1}
.ft-brand p{margin:16px 0 0;font-size:14.5px;max-width:280px;color:var(--muted);line-height:1.6}
.ft-col h4{color:var(--ink);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px;font-weight:600}
.ft-col a,.ft-col span{display:block;color:var(--ink-soft);font-size:14.5px;padding:5px 0;transition:color .15s}
.ft-col a:hover{color:var(--ink)}
.ft-note{color:var(--muted);font-size:13px}
.ft-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:24px;font-size:13px;color:var(--muted)}

/* botao whatsapp: discreto, canto, sem pulsar */
.wa-float{position:fixed;right:22px;bottom:22px;width:52px;height:52px;border-radius:50%;
  background:var(--bg-3);border:1px solid var(--line-2);color:var(--ink);display:flex;align-items:center;justify-content:center;z-index:90;transition:border-color .15s}
.wa-float:hover{border-color:var(--red)}
.wa-float svg{width:26px;height:26px;fill:currentColor}

/* remove qualquer resquício de animação chamativa; reveal vira no-op suave */
.reveal{opacity:1;transform:none}

/* ---------- Responsivo ---------- */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-visual{justify-content:flex-start}
  .hero-visual img{max-width:200px}
  .work-grid,.about-grid,.contact-grid,.feature-row{grid-template-columns:1fr;gap:44px}
  .about-side{border-left:0;border-top:1px solid #ded9cf;padding-left:0;padding-top:12px}
  .why-grid{grid-template-columns:1fr}
  .why-item{border-top:1px solid var(--line)}
}
@media (max-width:720px){
  section{padding:64px 0}
  .hero{padding:72px 0 64px}
  .main-nav{position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg-2);border-bottom:1px solid var(--line);padding:8px 24px 20px;
    transform:translateY(-10px);opacity:0;pointer-events:none;transition:.2s}
  .main-nav.open{transform:none;opacity:1;pointer-events:auto}
  .main-nav > a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .main-nav > a[aria-current="page"]::after{display:none}
  .nav-cta{margin-top:14px;text-align:center}
  .hamburger{display:flex}
  .svc-list,.prob-list,.client-grid{grid-template-columns:1fr}
  .client-tile{border-right:1px solid var(--line);border-bottom:0}
  .client-tile:not(:last-child){border-bottom:0}
  .form-row{grid-template-columns:1fr}
  .ft-grid{grid-template-columns:1fr 1fr;gap:28px}
  .tech .container{gap:16px}
  .cta-grid{flex-direction:column;align-items:flex-start}
}
@media (max-width:440px){
  .container{padding:0 20px}
  .ft-grid{grid-template-columns:1fr}
}