/* ============================================================
   VERTENTI — Inteligência em TI
   Dark navy + electric blue. Sora display / Manrope body.
   ============================================================ */
:root{
  --bg:#050b1a;
  --bg-2:#071026;
  --panel:#0b1730;
  --panel-2:#0e1d3c;
  --panel-line:rgba(91,150,255,.16);
  --ink:#eaf1ff;
  --ink-soft:#9fb3d6;
  --ink-dim:#6f84a8;
  --blue:#2f80ff;
  --blue-bright:#46a6ff;
  --cyan:#5db8ff;
  --glow:rgba(47,128,255,.55);
  --radius:16px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* ambient backdrop */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1100px 700px at 78% -5%, rgba(47,128,255,.20), transparent 60%),
    radial-gradient(900px 600px at 10% 30%, rgba(20,80,200,.12), transparent 60%),
    linear-gradient(180deg,#050b1a 0%,#060e22 50%,#050a18 100%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{font-family:'Sora',sans-serif;line-height:1.08;letter-spacing:-.01em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.grad-text{
  background:linear-gradient(100deg,var(--cyan),var(--blue-bright) 55%,var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:'Sora',sans-serif;font-weight:600;font-size:.95rem;
  padding:.82em 1.5em;border-radius:12px;cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{
  background:linear-gradient(100deg,var(--blue),var(--blue-bright));
  color:#fff;box-shadow:0 10px 30px -8px var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -8px var(--glow)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--panel-line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--blue-bright);background:rgba(47,128,255,.08);transform:translateY(-2px)}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:background .3s,backdrop-filter .3s,box-shadow .3s;
  padding:14px 0;
}
.site-header.scrolled{
  background:rgba(6,12,28,.82);backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--panel-line);
}
.header-inner{display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center}
.brand-logo{height:42px;width:auto;display:block;filter:drop-shadow(0 3px 14px rgba(47,128,255,.35))}
.main-nav{display:flex;gap:26px;margin-left:auto}
.main-nav a{font-size:.92rem;color:var(--ink-soft);font-weight:500;position:relative;padding:4px 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--blue-bright);transition:width .25s var(--ease)}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after{width:100%}
.header-cta{padding:.62em 1.2em;font-size:.88rem}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.3s}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.55}
.city-canvas{position:absolute;right:0;top:0;bottom:0;width:62%;z-index:0}
.hero-fade{position:absolute;left:0;top:0;bottom:0;width:70%;z-index:1;pointer-events:none;
  background:linear-gradient(90deg,#050b1a 26%,rgba(5,11,26,.85) 48%,transparent 100%)}
.hero-glow{
  position:absolute;right:-8%;top:6%;width:62%;height:88%;z-index:0;pointer-events:none;
  background:radial-gradient(circle at 60% 45%,rgba(47,128,255,.28),transparent 62%);
  filter:blur(8px);
}
.hero-inner{position:relative;z-index:2;padding-top:90px}
.hero-copy{max-width:620px}
.hero-title{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:800;letter-spacing:-.03em}
.hero-sub{margin-top:22px;font-size:1.12rem;color:var(--ink-soft);max-width:480px}
.hero-tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px 18px;margin:26px 0 0;align-items:center}
.hero-tags li{font-size:.72rem;letter-spacing:.12em;color:var(--ink-dim);font-weight:600;position:relative;padding-left:18px}
.hero-tags li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--blue-bright);box-shadow:0 0 8px var(--blue-bright)}
.hero-tags li:first-child{padding-left:0}
.hero-tags li:first-child::before{display:none}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}

/* ---------- SECTIONS ---------- */
.section{padding:78px 0}
.section-tight{padding:36px 0}
.section-title{text-align:center;font-size:clamp(1.7rem,3.5vw,2.3rem);font-weight:700;margin-bottom:42px}
.section-title.left{text-align:left;margin-bottom:0}
.grid{display:grid;gap:18px}
.grid-6{grid-template-columns:repeat(6,1fr)}

.card{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--panel-line);border-radius:var(--radius);
  padding:26px 22px;transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;
}
.card:hover{transform:translateY(-6px);border-color:rgba(91,150,255,.4);box-shadow:0 22px 48px -22px rgba(47,128,255,.5)}

/* feature cards */
.feature{text-align:center}
.feat-icon{width:62px;height:62px;margin:0 auto 16px;display:grid;place-items:center;
  border-radius:14px;background:radial-gradient(circle at 50% 30%,rgba(47,128,255,.22),rgba(47,128,255,.05));
  border:1px solid var(--panel-line)}
.feat-icon svg{width:30px;height:30px;fill:none;stroke:var(--blue-bright);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.feature h3{font-size:1.02rem;font-weight:600;margin-bottom:8px}
.feature p{font-size:.82rem;color:var(--ink-soft);line-height:1.5}

/* platform cards */
.platform{text-align:left}
.plat-logo{display:flex;align-items:center;gap:2px;font-family:'Sora';font-weight:800;font-size:1.7rem;margin-bottom:14px;color:var(--p)}
.plat-logo .plat-v{filter:drop-shadow(0 2px 8px rgba(0,0,0,.4))}
.platform h3{font-size:1.18rem;font-weight:600;color:var(--ink-soft)}
.platform h3 span{color:#fff;font-weight:700}
.platform p{font-size:.86rem;color:var(--ink-soft);margin:8px 0 18px}
.plat-link{color:var(--blue-bright);font-weight:600;font-size:.9rem;font-family:'Sora'}
.plat-link:hover{color:var(--cyan)}

/* sectors */
.sectors{display:grid;grid-template-columns:repeat(9,1fr);gap:12px;
  background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--panel-line);
  border-radius:var(--radius);padding:18px}
.sector{display:flex;flex-direction:column;align-items:center;gap:10px;padding:18px 6px;border-radius:12px;
  border:1px solid transparent;transition:.3s}
.sector:hover{background:rgba(47,128,255,.08);border-color:var(--panel-line)}
.sector svg{width:30px;height:30px;fill:none;stroke:var(--ink-soft);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:.3s}
.sector:hover svg{stroke:var(--blue-bright)}
.sector span{font-size:.74rem;color:var(--ink-soft);text-align:center}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;padding:38px 22px}
.stat{position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:14%;height:72%;width:1px;background:var(--panel-line)}
.stat strong{display:block;font-family:'Sora';font-weight:800;font-size:clamp(2.2rem,4vw,3rem)}
.stat span{font-size:.88rem;color:var(--ink-soft)}

/* cases */
.cases-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}
.carousel-ctrl{display:flex;gap:10px}
.cbtn{width:40px;height:40px;border-radius:50%;border:1px solid var(--panel-line);background:var(--panel);
  color:var(--ink);cursor:pointer;font-size:1rem;transition:.25s}
.cbtn:hover{background:var(--blue);border-color:var(--blue)}
.cases-track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:none}
.cases-track::-webkit-scrollbar{display:none}
.case-card{flex:0 0 260px;scroll-snap-align:start;background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--panel-line);border-radius:var(--radius);overflow:hidden;transition:.35s var(--ease)}
.case-card:hover{transform:translateY(-6px);border-color:rgba(91,150,255,.4)}
.case-img{height:150px;position:relative;
  background:
    linear-gradient(180deg,rgba(5,11,26,.1),rgba(5,11,26,.65)),
    hsl(calc(210 + var(--h,40) * .3) 60% 30%);
  background-blend-mode:normal}
.case-img::after{content:"";position:absolute;inset:0;background:
  repeating-linear-gradient(115deg,rgba(120,180,255,.08) 0 2px,transparent 2px 22px),
  radial-gradient(circle at 30% 80%,rgba(47,128,255,.4),transparent 50%)}
.case-tag{position:absolute;left:10px;top:10px;z-index:2;font-size:.7rem;font-weight:600;
  background:rgba(47,128,255,.9);color:#fff;padding:5px 10px;border-radius:8px}
.case-card h4{font-size:1rem;font-weight:600;margin:16px 18px 6px}
.case-card p{font-size:.8rem;color:var(--ink-soft);margin:0 18px 18px}

/* clients */
.clients-row{display:flex;align-items:center;gap:40px;flex-wrap:wrap}
.clients-title{font-family:'Sora';font-weight:700;font-size:1.5rem;flex:none}
.clients-logos{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:34px;flex:1;justify-content:space-around}
.clients-logos li{font-family:'Sora';font-weight:700;letter-spacing:.08em;color:var(--ink-dim);font-size:1.05rem;
  filter:grayscale(1);opacity:.7;transition:.3s}
.clients-logos li:hover{opacity:1;color:var(--ink-soft)}

/* AI banner */
.ai-banner{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:center;
  background:linear-gradient(120deg,#08152e,#0a1e44);border:1px solid var(--panel-line);
  border-radius:24px;padding:36px;overflow:hidden;position:relative}
.ai-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 400px at 18% 50%,rgba(47,128,255,.25),transparent 60%);pointer-events:none}
.ai-visual{position:relative;height:280px;border-radius:18px;overflow:hidden}
.ai-visual canvas{width:100%;height:100%;display:block}
.ai-content{position:relative;z-index:2}
.ai-content h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;margin-bottom:24px}
.ai-icons{display:flex;flex-wrap:wrap;gap:22px;margin-bottom:26px}
.ai-ic{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;width:96px}
.ai-ic svg{width:34px;height:34px;fill:none;stroke:var(--blue-bright);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.ai-ic span{font-size:.74rem;color:var(--ink-soft);line-height:1.3}

/* footer */
.site-footer{padding:64px 0 28px;border-top:1px solid var(--panel-line);background:linear-gradient(180deg,transparent,rgba(6,12,28,.6))}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr 1fr;gap:32px}
.foot-brand p{font-size:.82rem;color:var(--ink-soft);margin-top:16px;max-width:240px}
.foot-col h5{font-family:'Sora';font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.foot-col p,.foot-col a{font-size:.84rem;color:var(--ink-soft);margin-bottom:8px}
.foot-col a{display:block;transition:.2s}
.foot-col a:hover{color:#fff}
.foot-link{color:var(--blue-bright)!important;font-weight:600}
.foot-links-2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.foot-social{display:flex;gap:10px;margin-top:14px}
.foot-social a{width:34px;height:34px;border:1px solid var(--panel-line);border-radius:9px;display:grid;place-items:center;
  font-size:.72rem;font-weight:700;text-transform:uppercase;color:var(--ink-soft);margin:0}
.foot-social a:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.foot-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--panel-line);text-align:center;
  font-size:.78rem;color:var(--ink-dim)}

/* ---------- REVEAL ANIM ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:1080px){
  .grid-6{grid-template-columns:repeat(3,1fr)}
  .sectors{grid-template-columns:repeat(5,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:820px){
  .main-nav,.header-cta{display:none}
  .main-nav.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    background:rgba(6,12,28,.97);backdrop-filter:blur(14px);padding:20px 28px;gap:14px;border-top:1px solid var(--panel-line)}
  .nav-toggle{display:flex;margin-left:auto}
  .brand-logo{height:34px}
  .ai-banner{grid-template-columns:1fr}
  .ai-visual{height:220px}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stat:nth-child(3)::before,.stat:nth-child(odd)::before{display:none}
}
@media(max-width:620px){
  .grid-6{grid-template-columns:repeat(2,1fr)}
  .sectors{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .clients-row{flex-direction:column;align-items:flex-start;gap:20px}
  .section{padding:56px 0}
}
@media(max-width:420px){
  .grid-6{grid-template-columns:1fr 1fr}
  .container{padding:0 18px}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}

/* WhatsApp floating button */
.whatsapp-float{
  position:fixed;right:24px;bottom:24px;z-index:999;
  width:60px;height:60px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--blue);color:#fff;
  box-shadow:0 6px 20px rgba(47,128,255,.45);
  transition:transform .25s ease,box-shadow .25s ease;
  animation:wa-pulse 2.4s infinite;
}
.whatsapp-float:hover{
  transform:scale(1.08);
  box-shadow:0 8px 28px rgba(47,128,255,.6);
}
@keyframes wa-pulse{
  0%{box-shadow:0 6px 20px rgba(47,128,255,.45),0 0 0 0 rgba(47,128,255,.5)}
  70%{box-shadow:0 6px 20px rgba(47,128,255,.45),0 0 0 16px rgba(47,128,255,0)}
  100%{box-shadow:0 6px 20px rgba(47,128,255,.45),0 0 0 0 rgba(47,128,255,0)}
}
@media(max-width:620px){
  .whatsapp-float{right:16px;bottom:16px;width:54px;height:54px}
}
@media(prefers-reduced-motion:reduce){
  .whatsapp-float{animation:none}
}