:root{
    box-sizing:border-box;
    padding-top:env(safe-area-inset-top,0px);
    padding-bottom:env(safe-area-inset-bottom,0px);
    --bg:#F4F7FE;
    --surface:#FFFFFF;
    --surface-2:#EAF1FC;
    --ink:#0F1B30;
    --muted:#4E5D78;
    --brand:#2E74F0;
    --brand-deep:#1B5AD0;
    --brand-tint:#E4EDFD;
    --cyan:#0FBEEE;
    --line:#E2E9F6;
    --line-strong:#C7D5EE;
    --grad:linear-gradient(115deg,#3276F7,#0ACFF9);--grad-cta:linear-gradient(115deg,#1B5AD0,#2A74F0);--grad-prod:linear-gradient(155deg,#153A8C 0%,#1E56C8 55%,#2A6CE8 100%);
    --shadow:0 1px 2px rgba(15,27,48,.05), 0 14px 34px -18px rgba(20,80,200,.28);
    --shadow-soft:0 1px 2px rgba(15,27,48,.06);
    --radius:16px;--radius-sm:10px;--maxw:1120px;
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --bg:#0A1120;--surface:#101B30;--surface-2:#152239;--ink:#E9F0FC;--muted:#A6B4CE;
      --brand:#4B8BFF;--brand-deep:#82B0FF;--brand-tint:#152540;--cyan:#31D2F5;
      --line:#1E2C49;--line-strong:#2E4067;--grad:linear-gradient(115deg,#3A82FF,#22C7F2);--grad-cta:linear-gradient(115deg,#2660E0,#3A82FF);--grad-prod:linear-gradient(155deg,#14346E,#1F55C0);
      --shadow:0 1px 2px rgba(0,0,0,.35), 0 20px 44px -22px rgba(0,0,0,.7);--shadow-soft:0 1px 2px rgba(0,0,0,.35);
    }
  }
  :root[data-theme="dark"]{
    --bg:#0A1120;--surface:#101B30;--surface-2:#152239;--ink:#E9F0FC;--muted:#A6B4CE;
    --brand:#4B8BFF;--brand-deep:#82B0FF;--brand-tint:#152540;--cyan:#31D2F5;
    --line:#1E2C49;--line-strong:#2E4067;--grad:linear-gradient(115deg,#3A82FF,#22C7F2);--grad-cta:linear-gradient(115deg,#2660E0,#3A82FF);--grad-prod:linear-gradient(155deg,#14346E,#1F55C0);
    --shadow:0 1px 2px rgba(0,0,0,.35), 0 20px 44px -22px rgba(0,0,0,.7);--shadow-soft:0 1px 2px rgba(0,0,0,.35);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:calc(env(safe-area-inset-top,0px) + 76px);-webkit-text-size-adjust:100%}
  @media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:"Instrument Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
  h1,h2,h3{font-family:"Space Grotesk","Instrument Sans",system-ui,sans-serif;line-height:1.08;letter-spacing:-.015em;margin:0;font-weight:600}
  p{margin:0}
  a{color:inherit;text-decoration:none}
  :focus-visible{outline:2.5px solid var(--brand);outline-offset:3px;border-radius:6px}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  @media (max-width:560px){.wrap{padding:0 18px}}

  .brand{display:flex;align-items:center;gap:10px;font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:20px;letter-spacing:-.02em;color:var(--ink)}
  .brand-logo{height:34px;width:auto;display:block;flex:none}
  .brand b{font-weight:700}

  /* header */
  .nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb, var(--bg) 82%, transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
  .nav-inner{max-width:var(--maxw);margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:22px}
  @media (max-width:560px){.nav-inner{padding:11px 18px}}
  .nav-links{margin-left:auto;display:flex;align-items:center;gap:26px}
  .nav-links a{color:var(--muted);font-size:15.5px;font-weight:500}
  .nav-links a:hover{color:var(--ink)}
  .nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--grad-cta);color:#fff;font-weight:600;font-size:15px;padding:9px 17px;border-radius:999px;font-family:"Space Grotesk",sans-serif}
  .nav-cta:hover{filter:brightness(1.06)}
  .nav-cta svg{width:17px;height:17px}
  .menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line-strong);border-radius:9px;width:42px;height:38px;color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
  .menu-btn svg{width:20px;height:20px}
  @media (max-width:820px){
    .nav-links{position:fixed;inset:0 0 auto 0;top:calc(env(safe-area-inset-top,0px) + 61px);flex-direction:column;align-items:stretch;gap:0;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 18px 18px;box-shadow:var(--shadow);transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease}
    .nav-links.open{opacity:1;transform:none;pointer-events:auto}
    .nav-links a{padding:13px 4px;border-bottom:1px solid var(--line);font-size:17px}
    .nav-links .nav-cta{margin-top:14px;justify-content:center;padding:13px;font-size:16px;border-bottom:none}
    .menu-btn{display:inline-flex}
  }

  /* buttons */
  .btn{display:inline-flex;align-items:center;gap:9px;font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:16px;padding:13px 22px;border-radius:12px;cursor:pointer;border:1.5px solid transparent;transition:transform .12s ease,filter .15s ease,border-color .15s ease,background .15s ease}
  .btn:active{transform:translateY(1px)}
  .btn svg{width:18px;height:18px;flex:none}
  .btn-primary{background:var(--grad-cta);color:#fff}
  .btn-primary:hover{filter:brightness(1.06)}
  .btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep)}
  .btn-white{background:#fff;color:var(--brand-deep)}
  .btn-white:hover{background:#EAF1FF}

  /* hero */
  .hero{padding:72px 0 20px}
  @media (max-width:820px){.hero{padding:44px 0 8px}}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
  @media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:36px}}
  .kicker{display:inline-flex;align-items:center;gap:9px;color:var(--brand-deep);background:var(--brand-tint);font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:14px;padding:6px 13px;border-radius:999px;margin-bottom:22px}
  .kicker .pulse{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 0 color-mix(in srgb,var(--brand) 55%,transparent);animation:pulse 2.6s infinite}
  @media (prefers-reduced-motion: reduce){.kicker .pulse{animation:none}}
  @keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--brand) 50%,transparent)}70%{box-shadow:0 0 0 8px transparent}100%{box-shadow:0 0 0 0 transparent}}
  .hero h1{font-size:clamp(2.35rem,6.2vw,3.7rem);font-weight:700;max-width:15ch}
  .hero-sub{margin-top:20px;font-size:clamp(1.05rem,2.4vw,1.22rem);color:var(--muted);max-width:44ch}
  .hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px}
  .hero-tags{margin-top:30px;display:flex;flex-wrap:wrap;gap:10px 18px;color:var(--muted);font-size:14.5px}
  .hero-tags span{display:inline-flex;align-items:center;gap:8px}
  .hero-tags span::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--cyan)}
  .hero-art{position:relative}
  .hero-art svg{width:100%;height:auto;display:block;filter:drop-shadow(0 30px 50px rgba(20,80,200,.20))}
  @media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .hero-art svg{filter:drop-shadow(0 30px 50px rgba(0,0,0,.55))}}
  @media (max-width:900px){.hero-art{max-width:440px;margin:0 auto}}

  /* section shell */
  .section{padding:60px 0}
  .sec-head{max-width:60ch;margin-bottom:34px}
  .sec-label{display:inline-block;font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:14px;color:var(--brand-deep);margin-bottom:12px}
  .sec-head h2{font-size:clamp(1.7rem,4vw,2.35rem);font-weight:700}
  .sec-head p{margin-top:14px;color:var(--muted);font-size:1.08rem}

  /* two arms */
  .arms{display:grid;grid-template-columns:1fr 1fr;gap:22px}
  @media (max-width:820px){.arms{grid-template-columns:1fr;gap:18px}}
  .arm{border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;min-height:100%;position:relative;overflow:hidden}
  .arm-top{display:flex;align-items:center;gap:11px;margin-bottom:20px}
  .arm-badge{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:13px;padding:5px 12px;border-radius:999px}
  .arm h3{font-size:1.55rem;font-weight:700}
  .arm .lead{color:var(--muted);margin-top:8px;font-size:1.02rem}
  .arm .spacer{flex:1}

  .arm-product{background:var(--grad-prod);color:#fff;isolation:isolate}.arm-product::after{content:"";position:absolute;top:-70px;right:-70px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(10,207,249,.5),transparent 70%);z-index:0;pointer-events:none}.arm-product>*{position:relative;z-index:1}
  .arm-product .arm-badge{background:rgba(255,255,255,.18);color:#fff}
  .arm-product h3,.arm-product .prod-name{color:#fff}
  .arm-product .lead{color:rgba(255,255,255,.9)}
  .prod-card{margin-top:22px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-sm);padding:22px}
  .prod-name{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.5rem;display:flex;align-items:center;gap:10px}
  .prod-name .chip{font-size:11px;font-weight:600;background:rgba(255,255,255,.92);color:var(--brand-deep);padding:3px 9px;border-radius:999px}
  .prod-tagline{color:rgba(255,255,255,.92);margin-top:6px;font-size:1rem}
  .feats{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:11px}
  .feats li{display:flex;gap:11px;align-items:flex-start;font-size:.98rem;color:rgba(255,255,255,.94)}
  .feats svg{width:19px;height:19px;flex:none;margin-top:1px;color:#fff}
  .arm-product .btn-white{margin-top:24px;align-self:flex-start}
  .prod-note{margin-top:14px;font-size:.86rem;color:rgba(255,255,255,.82)}

  .arm-service{background:var(--surface-2);border:1px solid var(--line)}
  .arm-service::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
  .arm-service .arm-badge{background:var(--brand-tint);color:var(--brand-deep)}
  .svc-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:2px}
  .svc{display:flex;gap:15px;align-items:flex-start;padding:16px 4px;border-top:1px solid var(--line)}
  .svc:first-child{border-top:none;padding-top:6px}
  .svc-ic{width:40px;height:40px;border-radius:10px;background:var(--surface);display:flex;align-items:center;justify-content:center;flex:none;color:var(--brand-deep);box-shadow:var(--shadow-soft)}
  .svc-ic svg{width:21px;height:21px}
  .svc h4{font-family:"Space Grotesk",sans-serif;margin:0;font-size:1.06rem;font-weight:600}
  .svc p{color:var(--muted);font-size:.94rem;margin-top:3px}
  .arm-service .btn-ghost{margin-top:24px;align-self:flex-start}

  /* why */
  .why{background:var(--surface-2)}
  .why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
  @media (max-width:820px){.why-grid{grid-template-columns:1fr}}
  .why-item{padding:6px 30px}
  .why-item:not(:first-child){border-left:1px solid var(--line-strong)}
  @media (max-width:820px){.why-item{padding:22px 0}.why-item:not(:first-child){border-left:none;border-top:1px solid var(--line-strong)}}
  .why-item .n{color:var(--brand);margin-bottom:12px;display:flex;align-items:center;gap:9px}
  .why-item .n svg{width:24px;height:24px}
  .why-item h3{font-size:1.16rem;font-weight:600;margin-bottom:7px}
  .why-item p{color:var(--muted);font-size:.98rem}

  /* cta band */
  .band{background:#101B30;color:#fff;border-radius:22px;padding:52px 44px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;position:relative;overflow:hidden}
  .band::after{content:"";position:absolute;right:-90px;top:-100px;width:250px;height:250px;border-radius:50%;background:radial-gradient(circle at 35% 35%, color-mix(in srgb,var(--brand) 52%,transparent), transparent 70%);pointer-events:none}
  .band h2{font-size:clamp(1.5rem,3.4vw,2.1rem);font-weight:700;max-width:20ch;position:relative}
  .band p{color:rgba(255,255,255,.72);margin-top:10px;position:relative}
  .band .btn{position:relative}
  @media (max-width:560px){.band{padding:38px 26px}}

  /* contact */
  .contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px}
  @media (max-width:820px){.contact-grid{grid-template-columns:1fr;gap:30px}}
  .chan{display:flex;gap:15px;align-items:flex-start;padding:16px 0;border-top:1px solid var(--line)}
  .chan:first-of-type{border-top:none}
  .chan-ic{width:44px;height:44px;border-radius:11px;background:var(--brand-tint);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;flex:none}
  .chan-ic svg{width:22px;height:22px}
  .chan h4{font-family:"Space Grotesk",sans-serif;margin:0;font-size:1.02rem;font-weight:600}
  .chan a,.chan span{color:var(--muted);font-size:.96rem}
  .chan a:hover{color:var(--brand-deep)}
  .form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-soft)}
  .form h3{font-size:1.2rem;font-weight:600;margin-bottom:4px}
  .form .hint{color:var(--muted);font-size:.9rem;margin-bottom:18px}
  .field{margin-bottom:14px}
  .field label{display:block;font-size:.85rem;font-weight:600;font-family:"Space Grotesk",sans-serif;margin-bottom:6px;color:var(--ink)}
  .field input,.field select,.field textarea{width:100%;font:inherit;font-size:15.5px;color:var(--ink);background:var(--bg);border:1.5px solid var(--line-strong);border-radius:10px;padding:11px 13px}
  .field textarea{resize:vertical;min-height:88px}
  .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand)}
  .form .btn-primary{width:100%;justify-content:center;margin-top:4px}

  /* footer */
  footer{border-top:1px solid var(--line);margin-top:20px;padding:44px 0 30px}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:30px}
  @media (max-width:720px){.foot-grid{grid-template-columns:1fr 1fr;gap:26px}}
  @media (max-width:460px){.foot-grid{grid-template-columns:1fr}}
  .foot-brand p{color:var(--muted);font-size:.95rem;margin-top:12px;max-width:34ch}
  .foot-col h5{font-family:"Space Grotesk",sans-serif;font-size:.8rem;font-weight:600;color:var(--ink);margin:0 0 14px}
  .foot-col a{display:block;color:var(--muted);font-size:.94rem;padding:5px 0}
  .foot-col a:hover{color:var(--brand-deep)}
  .foot-bottom{max-width:var(--maxw);margin:34px auto 0;padding:20px 24px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.85rem}
  .foot-bottom .sig{color:var(--ink)}
  .foot-bottom .sig b{color:var(--brand-deep);font-weight:600}

/* logo troca por tema: azul no claro, branco no escuro */
.brand-logo--white{display:none}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .brand-logo--color{display:none}
  :root:not([data-theme="light"]) .brand-logo--white{display:block}
}
:root[data-theme="dark"] .brand-logo--color{display:none}
:root[data-theme="dark"] .brand-logo--white{display:block}
:root[data-theme="light"] .brand-logo--color{display:block}
:root[data-theme="light"] .brand-logo--white{display:none}


/* ---------- portfólio ---------- */
.port-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:860px){.port-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}}
.port-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .15s ease,box-shadow .2s ease;color:inherit}
.port-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.port-thumb{aspect-ratio:16/10;position:relative;display:flex;flex-direction:column;overflow:hidden}
.browser{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.92);padding:9px 12px;box-shadow:0 1px 0 rgba(0,0,0,.06);position:relative;z-index:2}
.bdot{width:8px;height:8px;border-radius:50%;background:#CBD5E6}
.bdot:nth-child(1){background:#FF7B72}
.bdot:nth-child(2){background:#FFC24B}
.bdot:nth-child(3){background:#40C463}
.burl{margin-left:8px;font-family:"Space Grotesk",sans-serif;font-size:11px;color:#5A6883;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.port-mark{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:0;font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:2rem;color:#fff;letter-spacing:-.02em;text-shadow:0 2px 12px rgba(0,0,0,.18)}
.port-thumb--ellaris{background:linear-gradient(135deg,#2E74F0,#0ACFF9)}
.port-thumb--cetril{background:linear-gradient(135deg,#2F8A2A,#8CC63F)}
.port-thumb--boldcont{background:linear-gradient(135deg,#1B2637,#3A5069)}
.port-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.port-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.port-body h3{font-size:1.2rem;font-weight:600}
.port-body p{color:var(--muted);font-size:.95rem;flex:1}
.port-tag{font-family:"Space Grotesk",sans-serif;font-size:11px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--surface-2);color:var(--muted);white-space:nowrap}
.port-tag--prod{background:var(--brand-tint);color:var(--brand-deep)}
.port-link{display:inline-flex;align-items:center;gap:6px;font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:.92rem;color:var(--brand-deep);transition:gap .15s ease}
.port-card:hover .port-link{gap:9px}
.port-link svg{width:14px;height:14px}
.port-shotwrap{position:relative;flex:1;overflow:hidden}
.port-shot{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top center;z-index:1;display:block}