:root{
  --bg:#02040c; --bg2:#050a1c; --blue:#1a9eff; --blue2:#4cc2ff; --ink:#eaf2ff; --mute:#8ea6cf;
  --line:rgba(76,160,255,.18); --glass:rgba(10,24,58,.55);
  --f-head:'Space Grotesk',system-ui,sans-serif; --f-body:'Inter',system-ui,sans-serif; --f-mono:'JetBrains Mono',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--f-body);overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.grad{background:linear-gradient(90deg,var(--blue2),var(--blue) 60%,#6f8cff);-webkit-background-clip:text;background-clip:text;color:transparent}

/* NAV */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;gap:32px;padding:14px clamp(20px,4vw,56px);transition:.3s}
.nav.scrolled{background:rgba(2,4,12,.78);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font:700 22px var(--f-head);letter-spacing:-.02em}
.brand img{height:34px;width:auto}
.links{display:flex;gap:30px;margin:0 auto;font-size:14px;color:var(--mute)}
.links a{transition:.2s}.links a:hover{color:#fff}
.burger{display:none;background:none;border:0;width:36px;height:36px;margin-left:auto;cursor:pointer}
.burger span{display:block;height:2px;background:#fff;margin:7px 6px;transition:.3s}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 24px;border-radius:10px;font:600 15px var(--f-body);transition:.25s;cursor:pointer;border:1px solid transparent}
.btn.sm{padding:9px 18px;font-size:14px}.btn.lg{padding:16px 30px;font-size:16px}
.btn-glow{background:linear-gradient(180deg,#2aa8ff,#0f7fe6);box-shadow:0 0 0 1px rgba(255,255,255,.18) inset,0 6px 28px rgba(26,158,255,.55)}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,255,255,.3) inset,0 10px 40px rgba(26,158,255,.8)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(76,194,255,.5)}
.play{width:0;height:0;border-left:9px solid var(--blue2);border-top:6px solid transparent;border-bottom:6px solid transparent}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font:500 12px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--blue2)}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--blue2);box-shadow:0 0 12px var(--blue2);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.35;transform:scale(.7)}}

/* HERO */
.hero{position:relative;min-height:100vh;padding:96px clamp(20px,4vw,56px) 60px;display:flex;flex-direction:column;align-items:center;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2;background:radial-gradient(ellipse at 50% 70%,rgba(26,158,255,.22),transparent 60%),linear-gradient(180deg,rgba(5,12,36,.55),var(--bg) 96%),url(assets/bg.jpg) center/cover}
.hero-grid{position:absolute;inset:0;z-index:-1;opacity:.5;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse at 50% 60%,#000 20%,transparent 72%);mask-image:radial-gradient(ellipse at 50% 60%,#000 20%,transparent 72%)}
.hero-copy{text-align:center;max-width:980px;display:flex;flex-direction:column;align-items:center;gap:16px}
h1{font:700 clamp(32px,4.3vw,56px)/1.06 var(--f-head);letter-spacing:-.03em}
.lead{max-width:600px;color:var(--mute);font-size:clamp(15px,1.5vw,18px)}
.cta{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.cta.center{justify-content:center}

.stage{position:relative;width:min(1080px,100%);height:440px;margin-top:6px}
#orb{position:absolute;left:50%;top:50%;width:520px;height:520px;transform:translate(-50%,-50%);pointer-events:none}
.wires{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.wires path{fill:none;stroke:rgba(76,194,255,.38);stroke-width:1.2}
.wires circle{fill:var(--blue2);filter:drop-shadow(0 0 6px var(--blue2))}
.card{position:absolute;width:260px;padding:16px 18px;border-radius:16px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);box-shadow:0 20px 60px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.03) inset;animation:float 6s ease-in-out infinite}
.card h4{font:600 13px var(--f-head);color:#cfe3ff;margin-bottom:12px;letter-spacing:.02em}
.c-data{left:0;top:10px}.c-infra{left:0;bottom:10px;animation-delay:-2s}.c-ai{right:0;top:10px;animation-delay:-4s}.c-auto{right:0;bottom:10px;animation-delay:-1s}
@keyframes float{50%{transform:translateY(-8px)}}
.bars{display:flex;align-items:flex-end;gap:7px;height:74px}
.bars span{flex:1;border-radius:4px 4px 0 0;background:linear-gradient(180deg,var(--blue2),rgba(26,158,255,.25));height:var(--h);transform-origin:bottom;animation:grow 3.6s ease-in-out infinite;animation-delay:var(--d)}
@keyframes grow{0%,100%{transform:scaleY(.45)}50%{transform:scaleY(1)}}
.tag{margin-top:12px;font-size:12px;color:var(--mute);display:flex;gap:8px;align-items:center}
.tag b{color:var(--blue2)}
.status li{display:flex;align-items:center;gap:10px;font-size:13px;padding:6px 0;color:#d6e6ff}
.status em{margin-left:auto;font:normal 11px var(--f-mono);color:#5ee9a8}
.status i{width:8px;height:8px;border-radius:50%;background:#2fe39a;box-shadow:0 0 10px #2fe39a;animation:pulse 2.4s infinite}
.chat{font:400 13px/1.5 var(--f-mono);color:#d6e6ff;min-height:58px;padding:10px 12px;background:rgba(0,0,0,.28);border-radius:10px;border:1px solid var(--line)}
.caret{display:inline-block;width:7px;height:14px;background:var(--blue2);margin-left:2px;vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.flow li{position:relative;font-size:13px;padding:7px 12px;margin-bottom:8px;border-radius:8px;background:rgba(26,158,255,.1);border:1px solid var(--line);color:#d6e6ff;animation:step 4.5s infinite}
.flow li:nth-child(2){animation-delay:1.5s}.flow li:nth-child(3){animation-delay:3s;margin-bottom:0}
@keyframes step{0%,100%{background:rgba(26,158,255,.1)}12%,30%{background:rgba(26,158,255,.4);border-color:var(--blue2)}}

.scroll{position:absolute;bottom:22px;left:50%;width:24px;height:38px;border:1.5px solid var(--line);border-radius:14px;transform:translateX(-50%)}
.scroll span{position:absolute;left:50%;top:7px;width:3px;height:7px;margin-left:-1.5px;border-radius:2px;background:var(--blue2);animation:wheel 1.8s infinite}
@keyframes wheel{to{transform:translateY(14px);opacity:0}}

/* STRIP */
.strip{border-block:1px solid var(--line);background:rgba(8,20,51,.5);overflow:hidden;padding:18px 0}
.track{display:flex;gap:56px;width:max-content;animation:marq 38s linear infinite}
.track span{font:500 13px var(--f-mono);text-transform:uppercase;letter-spacing:.12em;color:var(--mute);white-space:nowrap}
.track span::before{content:'◆';color:var(--blue);margin-right:56px;font-size:9px;vertical-align:1px}
@keyframes marq{to{transform:translateX(-50%)}}

/* SECTIONS */
.sec{padding:clamp(70px,10vw,130px) clamp(20px,4vw,56px);max-width:1240px;margin:0 auto}
.head{max-width:720px;margin-bottom:56px;display:flex;flex-direction:column;gap:16px}
h2{font:700 clamp(28px,4vw,48px)/1.1 var(--f-head);letter-spacing:-.03em}
.sub{color:var(--mute);font-size:17px;max-width:580px}

.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pillar{position:relative;padding:34px 30px;border-radius:20px;background:linear-gradient(160deg,rgba(14,32,76,.7),rgba(8,18,46,.7));border:1px solid var(--line);transition:.35s;overflow:hidden}
.pillar::before{content:'';position:absolute;inset:-1px;border-radius:inherit;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(76,194,255,.22),transparent 45%);opacity:0;transition:.3s}
.pillar:hover{transform:translateY(-6px);border-color:rgba(76,194,255,.5)}.pillar:hover::before{opacity:1}
.pillar>*{position:relative}
.ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:rgba(26,158,255,.14);border:1px solid var(--line);margin-bottom:22px;box-shadow:0 0 30px rgba(26,158,255,.25)}
.ico svg{width:26px;height:26px;fill:none;stroke:var(--blue2);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.pillar h3{font:600 24px var(--f-head);margin-bottom:10px}
.pillar p{color:var(--mute);font-size:15px;margin-bottom:20px}
.pillar li{font-size:14px;color:#cfe0fa;padding:8px 0;border-top:1px solid var(--line);display:flex;gap:10px}
.pillar li::before{content:'→';color:var(--blue2)}

/* POLITICO IA */
.poli{max-width:none;background:radial-gradient(ellipse at 75% 50%,rgba(26,158,255,.16),transparent 60%);border-block:1px solid var(--line)}
.poli-wrap{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}
.poli-copy{display:flex;flex-direction:column;gap:20px}
.poli-vis{position:relative;aspect-ratio:1;max-width:460px;width:100%;margin:auto}
.ring{position:absolute;inset:0;border-radius:50%;border:1px dashed rgba(76,194,255,.35);animation:spin 40s linear infinite}
.r2{inset:14%;animation-duration:28s;animation-direction:reverse;border-style:solid;border-color:rgba(76,194,255,.2)}
.r3{inset:28%;animation-duration:18s}
@keyframes spin{to{transform:rotate(360deg)}}
.core{position:absolute;inset:40%;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle,#0e2c66,#06122e);box-shadow:0 0 60px rgba(26,158,255,.7),0 0 0 1px var(--line)}
.core img{width:52%}
.node{position:absolute;padding:6px 14px;border-radius:999px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(8px);font:500 12px var(--f-mono);color:var(--blue2);animation:float 5s ease-in-out infinite}
.n1{left:2%;top:18%}.n2{right:0;top:30%;animation-delay:-1s}.n3{left:8%;bottom:14%;animation-delay:-2s}.n4{right:6%;bottom:10%;animation-delay:-3s}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.steps li{padding:28px 24px;border-radius:18px;border:1px solid var(--line);background:rgba(10,24,58,.4);position:relative}
.steps span{font:500 13px var(--f-mono);color:var(--blue2)}
.steps h3{font:600 21px var(--f-head);margin:14px 0 8px}
.steps p{color:var(--mute);font-size:14.5px}
.steps li:not(:last-child)::after{content:'';position:absolute;top:44px;right:-21px;width:22px;height:1px;background:linear-gradient(90deg,var(--blue2),transparent)}

/* CONTACT */
.contact{padding-top:40px}
.cta-box{text-align:center;padding:clamp(40px,6vw,80px) 24px;border-radius:28px;border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;gap:20px;background:radial-gradient(ellipse at 50% 0%,rgba(26,158,255,.28),transparent 65%),rgba(8,18,46,.7);box-shadow:0 0 90px rgba(26,158,255,.14)}
.cta-box h2{max-width:720px}
.cta-box .sub{text-align:center}

.foot{display:flex;flex-wrap:wrap;gap:18px 40px;align-items:center;justify-content:space-between;padding:34px clamp(20px,4vw,56px);border-top:1px solid var(--line);color:var(--mute);font-size:14px}
.foot small{width:100%;text-align:center;font-size:12px;opacity:.7}

/* REVEAL */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
.pillar:nth-child(2){transition-delay:.1s}.pillar:nth-child(3){transition-delay:.2s}

/* RESPONSIVE */
@media(max-width:980px){
  .links,.nav>.btn{display:none}.burger{display:block}
  .nav.open .links{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:rgba(2,4,12,.97);border-bottom:1px solid var(--line)}
  .nav.open .links a{padding:16px 24px;border-top:1px solid var(--line)}
  .pillars,.steps{grid-template-columns:1fr}
  .steps li::after{display:none}
  .poli-wrap{grid-template-columns:1fr}
  .stage{height:auto;display:grid;grid-template-columns:1fr 1fr;gap:14px;padding-top:290px}
  #orb{top:150px;width:min(380px,92vw);height:min(380px,92vw)}
  .wires{display:none}
  .card{position:relative;inset:auto;width:auto}
}
@media(max-width:560px){
  .stage{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* estilo preto + brilhos azuis */
body{background:var(--bg) radial-gradient(ellipse 60% 40% at 50% 100%,rgba(26,158,255,.18),transparent 70%) fixed}
.pill{padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(26,158,255,.08);backdrop-filter:blur(8px)}
.head.center{align-items:center;text-align:center;margin-inline:auto}
.sec:not(.poli):not(.contact)::before{content:'';position:absolute;pointer-events:none}
.pillars{position:relative}
.pillars::before{content:'';position:absolute;left:50%;bottom:-120px;width:70%;height:260px;transform:translateX(-50%);background:radial-gradient(ellipse,rgba(26,158,255,.35),transparent 70%);filter:blur(40px);z-index:-1}
.poli{background:radial-gradient(ellipse at 80% 50%,rgba(26,158,255,.28),transparent 55%)}
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{border:1px solid var(--line);border-radius:14px;background:rgba(10,24,58,.35);padding:0 22px;transition:.3s}
.faq details[open]{border-color:rgba(76,194,255,.45);background:rgba(14,32,76,.5)}
.faq summary{cursor:pointer;list-style:none;padding:20px 0;font:500 17px var(--f-head);display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--blue2);font-size:22px;line-height:1;transition:.3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--mute);padding-bottom:20px;font-size:15px}
.pill{align-self:flex-start;width:fit-content}.head.center .pill{align-self:center}
.brand img{height:27px}
.foot{flex-direction:column;justify-content:center;text-align:center}
.foot .brand img{height:17px}
.nav .brand img{height:23px}
.nav .brand img{height:21px}

.nav{gap:16px}.nav .links{margin:0 auto}
.btn.login svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mobile-login{display:none}
@media(max-width:980px){.nav>.btn.login{display:none}.mobile-login{display:block;color:var(--blue2)!important}}