:root{
  --bg:#0b0b0b;
  --bg-2:#111;
  --card:#151515;
  --line:#232323;
  --ink:#f3f2ee;
  --muted:#7c7a76;
  --soft:#a9a7a2;
  /* Meaningful color only: green = solution/ok, blue = info/navigation */
  --ok:#57d18b;
  --info:#6fa8ff;
  --belo:#e8352b;
  --sensus:#cba757;
  --display:"Inter Tight",system-ui,sans-serif;
  --body:"Inter",system-ui,sans-serif;
  --label:"Inter",system-ui,sans-serif;
  --pad:clamp(20px,6vw,88px);
  --max:1180px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
:focus-visible{outline:2px solid var(--info);outline-offset:3px}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);font-family:var(--body);
  line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 600px at 80% -10%,rgba(255,255,255,.07),transparent 60%),
    radial-gradient(700px 500px at -10% 60%,rgba(255,255,255,.035),transparent 60%);
}
a{color:inherit;text-decoration:none}
.wrap{position:relative;z-index:1;max-width:var(--max);margin:0 auto;padding:0 var(--pad)}

/* Type */
.label{font-family:var(--label);font-weight:600;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
h1,h2,h3{font-family:var(--display);letter-spacing:-.045em;line-height:.96;font-weight:700}
h2{font-size:clamp(42px,7vw,92px)}
.dim{color:var(--muted)}
.lead{font-size:clamp(18px,2vw,22px);color:var(--soft);max-width:620px;line-height:1.6}
.num{font-family:var(--label);font-weight:500;font-size:clamp(15px,1.5vw,18px);letter-spacing:.06em;color:var(--muted)}

/* Nav */
/* Liquid glass header: floating bar, 12px + 64px = the 76px the hero accounts for */
header{position:sticky;top:0;z-index:20;padding-top:12px}
nav{
  position:relative;isolation:isolate;
  display:flex;align-items:center;justify-content:space-between;height:64px;
  margin:0 calc(var(--pad) * -.45);padding:0 8px 0 22px;border-radius:22px;
  background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.025));
  -webkit-backdrop-filter:blur(24px) saturate(180%) brightness(1.1);backdrop-filter:blur(24px) saturate(180%) brightness(1.1);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.22),
    inset 0 0 0 1px rgba(255,255,255,.035),
    inset 0 -12px 22px -14px rgba(255,255,255,.12),
    inset 0 10px 18px -14px rgba(0,0,0,.5),
    0 12px 36px -12px rgba(0,0,0,.7);
  transition:background .4s,box-shadow .4s;
}
/* Specular highlight on the top of the glass */
nav::after{
  content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;pointer-events:none;
  background:radial-gradient(90% 70% at 30% -30%,rgba(255,255,255,.16),transparent 60%);
}
header.scrolled nav{background:linear-gradient(180deg,rgba(255,255,255,.11),rgba(255,255,255,.04))}
.brand{font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:-.03em}
.links{display:flex;gap:32px;font-size:15px;color:var(--soft)}
.links a{transition:color .2s}
.links a:hover{color:var(--ink)}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--display);font-weight:600;font-size:15px;
  padding:13px 22px;border-radius:999px;background:var(--ink);color:#0b0b0b;
  transition:transform .2s,opacity .2s;
}
.btn:hover{transform:translateY(-1px);opacity:.92}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:#3a3a3a}
@media (max-width:860px){ .links{display:none} }

/* Sections */
section{padding:clamp(88px,12vw,150px) 0;border-top:1px solid var(--line)}
.card{position:relative;isolation:isolate;background:var(--card);border:1px solid var(--line);border-radius:26px;transition:border-color .3s}
.card:hover{border-color:#343434}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:-1;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.06),transparent 60%);
  opacity:0;transition:opacity .4s;
}
.card:hover::before{opacity:1}
.card.invert::before{background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(0,0,0,.05),transparent 60%)}

/* Hero */
.hero{border-top:0;min-height:calc(100vh - 76px);min-height:calc(100svh - 76px);display:flex;align-items:center;padding:clamp(20px,5svh,72px) 0}
.hero{position:relative;overflow:hidden}
.hero .wrap{width:100%;container-type:inline-size}
.rotator{display:inline-grid;vertical-align:top;overflow:hidden;padding-bottom:.14em;margin-bottom:-.14em}
.rotator>span{grid-area:1/1;opacity:0;transform:translateY(90%);transition:transform .9s cubic-bezier(.34,1.35,.5,1),opacity .6s var(--ease)}
.rotator>span.on{opacity:1;transform:none}
.rotator>span.out{opacity:0;transform:translateY(-90%)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
/* Title sized by width (4 lines, longest is "Um bom site convence." ≈ 9.6em) and by screen height,
   so the whole first screen fits without scrolling */
.hero h1{font-size:clamp(34px,min(calc(100cqi / 9.7),calc((100svh - 360px) / 3.84)),144px);font-weight:800;margin-bottom:clamp(20px,4svh,48px)}
.hero h1 .dim{font-weight:600;white-space:nowrap}
.hero-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:32px 64px;align-items:end}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:860px){ .hero-grid{grid-template-columns:1fr} .hero-cta{justify-content:flex-start} }
@container (max-width:520px){
  .hero h1{font-size:clamp(30px,min(calc(100cqi / 7.9),calc((100svh - 390px) / 4.8)),64px)}
  .hero h1 .dim{white-space:normal}
  .hero .lead{font-size:17px;line-height:1.55}
  .hero-grid{gap:22px}
  .hero-cta{gap:8px;flex-wrap:nowrap}
  .hero-cta .btn{padding:12px 16px;font-size:14px;gap:8px}
}

/* Statement pinned to the screen; words light up in reading order as you scroll */
.statement{position:relative;min-height:170svh;padding:0}
.statement-pin{position:sticky;top:0;z-index:2;height:100svh;display:flex;align-items:center;overflow:hidden}
.statement-pin .wrap{width:100%}
.statement-text{font-family:var(--display);font-weight:700;font-size:clamp(28px,4.4vw,64px);line-height:1.08;letter-spacing:-.035em;text-wrap:pretty;max-width:22ch}
.sl + .sl{margin-top:.5em}
.sl{display:block}
.statement .w{color:color-mix(in srgb,var(--ink) calc(var(--p,0) * 100%),#262626)}
@media (prefers-reduced-motion:reduce){
  .statement{min-height:0;padding:clamp(88px,12vw,150px) 0}
  .statement-pin{position:static;height:auto}
  .statement .w{color:var(--ink)}
}

/* About */
.about{display:block}
.about .big{max-width:40ch;margin-top:28px}
.about .stats{margin-top:clamp(36px,5vw,56px)}
.about .big{font-size:clamp(19px,2.1vw,24px);line-height:1.6}
.about .quiet{margin-top:12px;font-size:clamp(16px,1.6vw,19px);color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.stat{background:var(--bg-2);padding:26px 22px}
.about-intro{container-type:inline-size}
.stat b{display:block;font-family:var(--display);font-size:clamp(20px,calc((33.3cqi - 44px) / 5.3),34px);letter-spacing:-.04em;line-height:1}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--muted);line-height:1.4}
@container (max-width:600px){
  .stats{grid-template-columns:1fr}
  .stat{padding:22px}
  .stat b{font-size:26px}
  .stat span{margin-top:8px}
}

/* Problems */
/* Problems as rows: complaint left, answer right; each row only as tall as its text.
   The row in the middle of the screen lights up as you scroll; colors stay solid so the grid never shows through */
.qa{border-top:1px solid var(--line)}
.qa .q{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(20px,5vw,72px);align-items:baseline;padding:clamp(26px,3vw,36px) 0;border-bottom:1px solid var(--line)}
.qa .q.reveal{transition:opacity .9s var(--ease),transform .9s var(--ease),padding .4s var(--ease)}
.qa .q::before{content:"";position:absolute;left:0;top:clamp(26px,3vw,36px);bottom:clamp(26px,3vw,36px);width:2px;border-radius:2px;background:var(--ink);transform:scaleY(0);transition:transform .4s var(--ease)}
.q blockquote{font-family:var(--display);font-weight:500;font-size:clamp(20px,1.9vw,24px);letter-spacing:-.025em;line-height:1.3;color:var(--muted);transition:color .4s}
.q blockquote::before{content:"“"}
.q blockquote::after{content:"”"}
.q .ans{display:flex;gap:12px;align-items:flex-start}
.q .ans span{font-size:20px;line-height:1.3;color:var(--ok);transition:transform .4s var(--ease),color .4s}
.q .ans p{font-family:var(--display);font-weight:600;font-size:clamp(18px,1.7vw,21px);letter-spacing:-.02em;line-height:1.3;transition:color .4s}
.qa.live .q blockquote{color:#3a3a3a}
.qa.live .q .ans p{color:#4d4c49}
.qa.live .q .ans span{color:#3a3a3a}
.qa.live .q.on{padding-left:22px}
.qa.live .q.on::before{transform:scaleY(1)}
.qa.live .q.on blockquote{color:var(--soft)}
.qa.live .q.on .ans p{color:var(--ink)}
.qa.live .q.on .ans span{color:var(--ok);transform:translateX(4px)}
@media (max-width:760px){ .qa .q{grid-template-columns:1fr;gap:14px} .qa.live .q.on{padding-left:16px} }

/* Budget */
.budget{display:grid;grid-template-columns:1fr 1.05fr;gap:18px;align-items:stretch}
.budget .side{padding:clamp(30px,4vw,52px);display:flex;flex-direction:column;gap:22px}
.budget .side p{color:var(--soft);font-size:18px}
.budget .invert{background:var(--ink);color:#0b0b0b;border-color:var(--ink)}
.budget .invert h3{font-size:clamp(34px,4.4vw,60px)}
.budget .invert p{color:#4a4945}
.budget .invert .label{color:#6c6a66}
.budget .invert .promise{margin-top:auto;padding-top:22px;border-top:1px solid #d6d4ce;color:#0b0b0b;font-weight:500}
@media (max-width:900px){ .budget{grid-template-columns:1fr} }
/* Morphing wireframe: the same blocks rearrange into a clinic, a news portal and a startup */
.budget .morph{padding:clamp(18px,2.4vw,26px);gap:18px;perspective:1100px}
.mframe{flex:1;display:flex;flex-direction:column;min-height:300px;border:1px solid #2a2a2a;border-radius:16px;background:#101010;overflow:hidden;cursor:pointer;transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .5s var(--ease)}
.mstage{position:relative;flex:1;margin:clamp(14px,2vw,22px)}
.mstage .b{position:absolute;border:1px solid transparent;border-radius:7px;background:transparent;
  transition:left .9s var(--ease),top .9s var(--ease),width .9s var(--ease),height .9s var(--ease),opacity .5s,background-color .6s,border-color .6s,border-radius .6s}
.b.k-nav{background:#1c1c1c;border-radius:6px}
.b.k-img{background:linear-gradient(135deg,#2b2b2b,#161616);border-color:#262626}
.b.k-strong{background:#3b3b3b;border-radius:4px}
.b.k-line{background:#262626;border-radius:4px}
.b.k-btn{background:var(--ink);border-radius:999px}
.b.k-ghost{border-color:#3a3a3a;border-radius:999px}
.b.k-card{background:#171717;border-color:#272727}
.mdots{display:flex;justify-content:center;gap:8px}
.mdots button{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;transition:background .3s,color .3s,border-color .3s}
.mdots button:hover{color:var(--ink);border-color:#3a3a3a}
.mdots button[aria-pressed="true"]{background:var(--ink);color:#0b0b0b;border-color:var(--ink)}
.mdots svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}
@media (max-width:900px){ .mframe{min-height:260px} }

/* Work */
.work{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.project{overflow:hidden;display:flex;flex-direction:column}
.browser{position:absolute;inset:clamp(18px,3vw,36px) clamp(18px,3vw,36px) 0;border-radius:14px 14px 0 0;border:1px solid #2a2a2a;border-bottom:0;background:#141414;overflow:hidden;transition:transform .5s var(--ease)}
.project:hover .browser{transform:translateY(-8px)}
.bar{display:flex;align-items:center;gap:7px;padding:12px 14px;border-bottom:1px solid #242424}
.bar i{width:10px;height:10px;border-radius:50%;background:#2d2d2d}
.bar em{margin-left:14px;font-style:normal;font-size:12px;color:var(--muted);background:#1c1c1c;padding:4px 12px;border-radius:999px;font-family:var(--label);letter-spacing:.04em}
.info{padding:clamp(26px,3.4vw,44px);display:flex;flex-direction:column;gap:14px;flex:1}
.info h3{font-size:clamp(28px,3.2vw,42px)}
.info p{color:var(--soft);font-size:17px}
.info .meta{font-family:var(--label);font-weight:600;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.visit{margin-top:auto;padding-top:14px;display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:17px}
.visit span{transition:transform .25s}
.visit:hover span{transform:translate(3px,-3px);color:var(--info)}
.info .meta.open{color:var(--ok)}
/* Central do Belo keeps its own brand red */
.belo .visit span,.belo .visit:hover span{color:var(--belo)}
.card.belo::before{background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(232,53,43,.09),transparent 60%)}
.card.belo:hover{border-color:rgba(232,53,43,.4)}
.work{grid-template-columns:1fr}
/* Showcase: the site scrolls inside the browser frame as the page scrolls; phone mockup overlaps the corner */
.showcase .stage{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(70% 85% at 50% 115%,var(--glow),transparent 70%),#0e0e0e}
.belo{--glow:rgba(232,53,43,.24)}
.sensus{--glow:rgba(203,167,87,.24)}
.showcase .browser{inset:8% 6% 0;display:flex;flex-direction:column;box-shadow:0 -20px 60px -20px rgba(0,0,0,.6)}
.showcase:has(.phone) .browser{right:16%}
.viewport{position:relative;flex:1;overflow:hidden}
.strip{position:absolute;left:0;right:0;top:0;will-change:transform}
.strip img{display:block;width:100%;height:auto}
.phone{position:absolute;right:5%;bottom:-7%;width:clamp(92px,17%,220px);aspect-ratio:600/1299;border-radius:clamp(16px,2.3vw,32px);border:clamp(4px,.55vw,7px) solid #1d1d1d;background:#000;overflow:hidden;box-shadow:0 30px 70px -10px rgba(0,0,0,.85),0 0 0 1px #2c2c2c;transition:transform .6s var(--ease)}
.phone img{display:block;width:100%;height:auto}
.project:hover .phone{transform:translateY(-12px)}
.showcase h3{font-size:clamp(30px,3.8vw,52px)}
.pnum{font-family:var(--label);font-weight:600;font-size:13px;letter-spacing:.16em;color:var(--muted)}
.belo .pnum{color:var(--belo)}
.sensus .pnum{color:var(--sensus)}
@media (max-width:700px){
  .showcase .stage{aspect-ratio:4/3.4}
  .showcase .browser{inset:7% 4% 0}
  .showcase:has(.phone) .browser{right:22%}
  .phone{width:30%;right:4%}
}
.project .info{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:32px;row-gap:6px;align-items:center}
.project .info > *{grid-column:1}
.project .info .visit{grid-column:2;grid-row:1 / span 3;margin:0;padding:0;white-space:nowrap}
.project.next .info{padding-block:clamp(22px,2.6vw,32px)}
@media (max-width:600px){ .project .info{grid-template-columns:1fr} .project .info .visit{grid-column:1;grid-row:auto;margin-top:8px} }
/* Sensus keeps its own gold */
.sensus .visit span,.sensus .visit:hover span{color:var(--sensus)}
.card.sensus::before{background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(203,167,87,.09),transparent 60%)}
.card.sensus:hover{border-color:rgba(203,167,87,.4)}

/* Timeline */
.timeline{list-style:none;border-top:1px solid var(--line)}
.timeline li{display:grid;grid-template-columns:120px 1fr 1.2fr;gap:24px;align-items:baseline;padding:clamp(26px,3vw,38px) 0;border-bottom:1px solid var(--line);transition:padding .3s var(--ease)}
.timeline li:hover{padding-left:12px}
.timeline .n{font-family:var(--display);font-weight:700;font-size:clamp(34px,4vw,54px);letter-spacing:-.05em;color:#2f2f2f;line-height:1;transition:color .3s}
.timeline li:hover .n{color:var(--ink)}
.timeline h3{font-size:clamp(24px,2.8vw,36px);letter-spacing:-.035em}
.timeline p{color:var(--muted);font-size:17px}
@media (max-width:760px){ .timeline li{grid-template-columns:64px 1fr;gap:8px 16px} .timeline p{grid-column:2} }

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(40px,7vw,110px);align-items:start}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;padding:26px 0;font-family:var(--display);font-weight:600;font-size:clamp(19px,2vw,24px);letter-spacing:-.025em;line-height:1.3}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;color:var(--muted);transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--info)}
.faq details p{padding:0 40px 26px 0;color:var(--soft);font-size:17px}
@media (max-width:900px){ .faq-grid{grid-template-columns:1fr} }
.faq-intro{container-type:inline-size}
.faq-intro h2{font-size:min(clamp(42px,7vw,92px),22cqi)}

/* Contact */
.contact h2{font-size:clamp(52px,9vw,128px);margin-bottom:40px}
.contact .lead{margin-bottom:64px}
.channels{border-top:1px solid var(--line)}
.channel{display:grid;grid-template-columns:220px 1fr auto;align-items:center;gap:24px;padding:34px 0;border-bottom:1px solid var(--line);transition:padding .3s var(--ease)}
.channel:hover{padding-left:12px}
.channel strong{font-family:var(--display);font-weight:600;font-size:clamp(28px,4vw,48px);letter-spacing:-.035em}
.channel .go{font-size:28px;color:var(--muted);transition:transform .25s,color .25s}
.channel:hover .go{transform:translate(4px,-4px);color:var(--info)}
.channel.wa:hover .go{color:var(--ok)}
@media (max-width:640px){ .channel{grid-template-columns:1fr auto;gap:8px 16px} .channel .label{grid-column:1 / -1} }

footer{border-top:1px solid var(--line);padding:36px 0 44px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

.about>*,.budget>*,.work>*,.qa>*,.faq-grid>*,.hero-grid>*{min-width:0}

/* Floating WhatsApp */
.float{
  position:fixed;right:20px;bottom:20px;z-index:30;width:58px;height:58px;border-radius:50%;
  background:var(--ink);color:#0b0b0b;display:grid;place-items:center;box-shadow:0 10px 40px rgba(0,0,0,.5);
  transform:scale(0);transition:transform .35s cubic-bezier(.2,.8,.2,1.2);
}
.float.show{transform:scale(1)}
.float svg{transition:color .25s}
.float:hover{color:#1a9a4b}
.float svg{width:28px;height:28px}

/* Fixed line grid behind the content, fading out toward the edges of the screen */
.grid-bg{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background-size:40px 40px;
  background-image:linear-gradient(to right,#1f1f1f 1px,transparent 1px),linear-gradient(to bottom,#1f1f1f 1px,transparent 1px);
  -webkit-mask-image:radial-gradient(ellipse at center,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse at center,#000 20%,transparent 75%);
}
/* Ambient light that follows the cursor */
.glow{
  position:fixed;left:0;top:0;z-index:0;pointer-events:none;
  width:900px;height:900px;margin:-450px 0 0 -450px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.075) 0%,rgba(255,255,255,.03) 32%,transparent 66%);
  filter:blur(20px);will-change:transform;opacity:0;transition:opacity 1.2s;
}
.glow.on{opacity:1}
.grain{
  position:fixed;inset:-50%;z-index:40;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.2s steps(6) infinite;
}
@keyframes grain{
  0%,100%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}
  60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}
}
/* Scroll progress */
.progress{position:fixed;left:0;top:0;height:2px;width:100%;z-index:50;background:var(--ink);transform-origin:0 50%;transform:scaleX(0);opacity:.7}

/* Reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.card.reveal{transition:opacity .9s var(--ease),transform .9s var(--ease),border-color .3s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .grain{animation:none}
  *{animation:none!important}
}