/* ============================================================
   Dtechbr — dtechbr.com.br
   Estilos portados do protótipo aprovado (Dtech Landing.dc.html)
   Identidade: brandbook Dtechbr v1/2026 (Chakra Petch + Inter,
   grafite #0A0E1A, azul #2563EB → ciano #06B6D4)
   ============================================================ */

html{scroll-behavior:smooth}
body{margin:0;background:#0A0E1A;font-family:Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}

/* ---------- Animações base ---------- */
@keyframes gradShift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}
@keyframes pulseDot{0%,100%{box-shadow:0 0 6px rgba(6,182,212,.9)}50%{box-shadow:0 0 14px rgba(6,182,212,.5)}}
@keyframes spinSlow{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes growUp{from{transform:scaleY(.08)}to{transform:scaleY(1)}}
@keyframes growX{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes ripple{from{transform:scale(.3);opacity:.75}to{transform:scale(2.4);opacity:0}}

.grad-text{background:linear-gradient(90deg,#2563EB,#06B6D4,#60A5FA,#2563EB);background-size:250% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradShift 7s linear infinite}
/* Variante para fundos claros: stops escuros mantêm contraste AA (#F8FAFC) */
.grad-text-dark{background:linear-gradient(90deg,#1D4ED8,#0E7490,#2563EB,#1D4ED8);background-size:250% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradShift 7s linear infinite}
.caret{animation:blink 1s steps(1) infinite}
.dot-pulse{animation:pulseDot 2.2s ease-in-out infinite}
.spin{animation:spinSlow 40s linear infinite;transform-box:view-box;transform-origin:center}
.float-card{animation:floaty 6s ease-in-out infinite}

/* ---------- Reveal on scroll ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv-in{opacity:1;transform:none}
.rv-line{transform:scaleX(0);transform-origin:left center;transition:opacity .5s ease,transform 1.3s cubic-bezier(.22,1,.36,1) .25s}

/* ---------- Navbar ---------- */
.nav-pill{pointer-events:auto;max-width:1020px;margin:0 auto;height:60px;padding:0 12px 0 22px;display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:16px;border-radius:999px;background:rgba(11,15,26,.62);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.09);box-shadow:0 10px 34px rgba(0,0,0,.28);transition:background .35s ease,box-shadow .35s ease,border-color .35s ease}
.nav-solid .nav-pill{background:rgba(7,10,18,.9);border-color:rgba(255,255,255,.14);box-shadow:0 14px 44px rgba(0,0,0,.45)}
.nav-links{display:flex;align-items:center;justify-content:center;gap:30px}
.nvl{position:relative;font-family:'Chakra Petch',sans-serif;color:#CBD5E1;text-decoration:none;font-size:14.5px;font-weight:500;padding:6px 2px;transition:color .25s}
.nvl::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;border-radius:2px;background:linear-gradient(90deg,#2563EB,#06B6D4);transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.22,1,.36,1)}
.nvl:hover{color:#FFFFFF}
.nvl:hover::after{transform:scaleX(1)}

/* CTA primário (contorno ciano + feixe orbitando) */
.nvc{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:8px;font-family:'Chakra Petch',sans-serif;font-size:14px;font-weight:600;color:#F8FAFC;text-decoration:none;padding:11px 22px;border-radius:999px;background:rgba(6,182,212,.05);border:none;cursor:pointer;box-shadow:inset 0 0 0 1.2px rgba(6,182,212,.5);transition:box-shadow .3s,transform .3s,background .3s}
.nvc::before{content:"";position:absolute;top:0;left:-80%;width:55%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.38),transparent);transform:skewX(-20deg);transition:left .55s ease}
.nvc:hover{background:rgba(6,182,212,.1);box-shadow:inset 0 0 0 1.2px rgba(103,232,249,.8),0 0 26px rgba(6,182,212,.35);transform:translateY(-1px)}
.nvc:hover::before{left:125%}
.nvc svg{transition:transform .3s}
.nvc:hover svg{transform:translateX(3px)}
@property --nvca{syntax:"<angle>";initial-value:0deg;inherits:false}
.nvc::after{content:"";position:absolute;inset:0;border-radius:999px;padding:1.6px;background:conic-gradient(from var(--nvca),transparent 0 68%,rgba(103,232,249,.9) 82%,#FFFFFF 90%,transparent 98%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:nvcSpin 3.2s linear infinite;pointer-events:none}
@keyframes nvcSpin{to{--nvca:360deg}}

/* CTA secundário (outline neutro que acende em ciano) */
.btn-ghost{color:#E2E8F0;text-decoration:none;font-size:15.5px;font-weight:600;padding:15px 32px;border-radius:999px;border:1px solid rgba(255,255,255,.2);transition:border-color .25s ease,background .25s ease}
.btn-ghost:hover{border-color:rgba(6,182,212,.7);background:rgba(6,182,212,.08)}

/* Hambúrguer + menu mobile */
.nav-burger{display:none!important;background:none;border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:9px;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.nav-burger span{display:block;width:20px;height:2px;background:#F8FAFC;border-radius:2px}
.nav-burger span:nth-child(2){background:#06B6D4}
.mobile-menu{pointer-events:auto;background:rgba(8,11,20,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.1);border-radius:20px;max-width:1020px;margin:10px auto 0;display:flex;flex-direction:column;padding:12px 20px 20px;gap:4px}
.mobile-menu a.mnl{font-family:'Chakra Petch',sans-serif;color:#E2E8F0;text-decoration:none;font-size:16px;font-weight:500;padding:13px 4px;border-bottom:1px solid rgba(255,255,255,.06)}

/* ---------- Formulário ---------- */
.ff{position:relative}
.ff input,.ff textarea{width:100%;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.13);border-radius:10px;color:#F8FAFC;font:500 15px/1.45 Inter,sans-serif;padding:24px 16px 10px;outline:none;transition:border-color .25s,box-shadow .25s,background .25s;resize:vertical}
.ff input:focus,.ff textarea:focus{border-color:#2563EB;box-shadow:0 0 0 3px rgba(37,99,235,.28);background:rgba(255,255,255,.06)}
.ff label{position:absolute;left:16px;top:17px;color:#94A3B8;font:500 15px/1 Inter,sans-serif;pointer-events:none;transform-origin:left top;transition:transform .2s ease,color .2s ease}
.ff input:focus~label,.ff textarea:focus~label,.ff input:not(:placeholder-shown)~label,.ff textarea:not(:placeholder-shown)~label{transform:translateY(-10px) scale(.72);color:#06B6D4}
.hp-field{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden}
button.nvc[disabled]{opacity:.55;cursor:wait;transform:none}

/* ---------- Acessibilidade ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #06B6D4;outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:#0A0E1A;color:#F8FAFC;font-family:'Chakra Petch',sans-serif;font-size:14px;padding:12px 20px;border-radius:0 0 12px 0;border:1px solid rgba(6,182,212,.5)}
.skip-link:focus{left:0}

/* ---------- Grids de seção ---------- */
.tl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px}
.tl-track{position:absolute;top:26px;left:26px;right:26px;height:2px;background:linear-gradient(90deg,rgba(37,99,235,.7),rgba(6,182,212,.7))}
.about-grid{display:grid;grid-template-columns:340px 1fr;gap:72px;align-items:center}
.ct-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start}
.demo-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:56px;align-items:center}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;width:100%;max-width:1160px}
.cpu-wrap{position:absolute;right:-8%;top:50%;transform:translateY(-50%);width:min(980px,82%)}

/* ---------- Janela demo ---------- */
.demo-tab{padding:8px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.03);color:#94A3B8;font-family:Inter,sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:background .3s,color .3s,box-shadow .3s}
.tab-on{background:rgba(6,182,212,.1)!important;color:#F8FAFC!important;border-color:rgba(103,232,249,.75)!important;box-shadow:0 0 16px rgba(6,182,212,.3)}
.demo-cursor{position:absolute;z-index:9;pointer-events:none;transition:left 1s cubic-bezier(.45,0,.25,1),top 1s cubic-bezier(.45,0,.25,1)}
.demo-cursor .click-ripple{position:absolute;left:-9px;top:-9px;width:26px;height:26px;border-radius:50%;background:rgba(6,182,212,.5);animation:ripple .5s ease-out both}

/* ---------- Globo / rótulos geográficos ---------- */
.geo-label{position:absolute;left:0;top:0;opacity:0;transition:opacity .3s ease;will-change:transform;display:inline-flex;align-items:center;gap:5px;background:rgba(13,19,34,.88);border:1px solid rgba(255,255,255,.14);border-radius:6px;padding:3px 8px;color:#E2E8F0;font-size:10.5px;font-weight:600;white-space:nowrap}
.geo-label::before{content:"";width:5px;height:5px;border-radius:50%;background:#06B6D4}

/* ---------- Cards de serviço ---------- */
.svc-card{background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border:1px solid #E2E8F0;border-radius:14px;padding:30px 26px;display:flex;flex-direction:column;gap:15px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.svc-card:hover{transform:translateY(-6px);border-color:rgba(6,182,212,.65);box-shadow:0 18px 44px rgba(37,99,235,.16)}

/* ---------- Contato ---------- */
.mail-link{color:#F8FAFC;text-decoration:none;font-size:18px;font-weight:600;font-family:'Chakra Petch',sans-serif;transition:color .2s}
.mail-link:hover{color:#06B6D4}
.social-link{display:inline-flex;align-items:center;gap:12px;color:#CBD5E1;text-decoration:none;font-size:15px;font-weight:500;padding:12px 16px;border:1px solid rgba(255,255,255,.1);border-radius:11px;background:rgba(255,255,255,.02);transition:border-color .25s,background .25s;width:fit-content;min-width:200px}
.social-link:hover{border-color:rgba(6,182,212,.6);background:rgba(6,182,212,.06)}

/* ---------- Foto do fundador (com fallback de marca) ---------- */
.about-photo{position:relative;aspect-ratio:4/5;border-radius:20px;padding:5px;background:linear-gradient(135deg,#2563EB,#06B6D4);box-shadow:0 24px 60px rgba(37,99,235,.26)}
.about-photo img{display:block;width:100%;height:100%;object-fit:cover;border-radius:16px;background:#0D1322}
.about-photo .photo-fallback{display:none}
.about-photo.no-photo img{display:none}
.about-photo.no-photo .photo-fallback{display:flex;width:100%;height:100%;border-radius:16px;align-items:center;justify-content:center;background:#0D1322;background-image:radial-gradient(340px 300px at 78% 8%,rgba(37,99,235,.35),transparent 65%),radial-gradient(280px 240px at 12% 95%,rgba(6,182,212,.22),transparent 65%)}

/* ---------- Circuito do hero (trilhas + pulsos de luz) ---------- */
.cpu-arch{offset-anchor:10px 0px;animation-name:cpuPath;animation-iteration-count:infinite;animation-timing-function:cubic-bezier(.75,-0.01,0,.99)}
.cpu-l1{offset-path:path("M 10 20 h 79.5 q 5 0 5 5 v 30");animation-duration:5s;animation-delay:1s}
.cpu-l2{offset-path:path("M 180 10 h -69.7 q -5 0 -5 5 v 40");animation-delay:6s;animation-duration:2s}
.cpu-l3{offset-path:path("M 130 20 v 21.8 q 0 5 -5 5 h -25");animation-delay:4s;animation-duration:6s}
.cpu-l4{offset-path:path("M 170 80 v -21.8 q 0 -5 -5 -5 h -65");animation-delay:3s;animation-duration:3s}
.cpu-l5{offset-path:path("M 135 65 h 15 q 5 0 5 5 v 10 q 0 5 -5 5 h -39.8 q -5 0 -5 -5 v -35");animation-delay:9s;animation-duration:4s}
.cpu-l6{offset-path:path("M 94.8 95 v -46");animation-delay:3s;animation-duration:7s}
.cpu-l7{offset-path:path("M 88 88 v -15 q 0 -5 -5 -5 h -10 q -5 0 -5 -5 v -5 q 0 -5 5 -5 h 28");animation-delay:4s;animation-duration:4s}
.cpu-l8{offset-path:path("M 30 30 h 25 q 5 0 5 5 v 6.5 q 0 5 5 5 h 35");animation-delay:3s;animation-duration:3s}
@keyframes cpuPath{0%{offset-distance:0%}100%{offset-distance:100%}}
.cpu-draw path{stroke-dashoffset:100;animation:cpuDraw 1.4s cubic-bezier(.25,.1,.5,1) .3s forwards}
@keyframes cpuDraw{to{stroke-dashoffset:0}}

/* ---------- Responsividade ---------- */
@media(max-width:1024px){
  .about-grid{gap:44px}
  .ct-grid{gap:36px}
  .demo-grid{grid-template-columns:1fr;gap:72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .cpu-wrap{position:relative;right:auto;top:auto;transform:none;width:100%;max-width:600px;margin:0 auto}
}
@media(max-width:900px){
  .tl-grid{grid-template-columns:1fr;gap:28px}
  .tl-track{display:none}
  .about-grid{grid-template-columns:1fr}
  .ct-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-burger{display:inline-flex!important}
  /* !important: vence o display:flex inline dos cards flutuantes */
  .float-card{display:none!important}
}
@media(max-width:560px){
  /* O grid de 4 colunas exige ~460px: em telas menores o CTA da barra
     sai (o menu hambúrguer já contém "Fale conosco") e a pill vira flex
     para o hambúrguer nunca ser empurrado para fora da tela */
  .nav-pill{display:flex;justify-content:space-between;padding:0 12px 0 18px}
  .nav-pill>.nvc{display:none}
}
@media(max-width:480px){
  /* Abas da janela demo podem quebrar linha em telas estreitas */
  #demo-window [role="group"]{flex-wrap:wrap}
  .demo-tab{padding:8px 14px;font-size:12.5px}
}

/* ---------- Movimento reduzido ---------- */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .rv,.rv-line{opacity:1;transform:none}
}