:root{
  --bg:#0E1110;
  --surface-1:#171B19;
  --surface-2:#22272A;
  --text:#F4F7F5;
  --muted:#9AA3A0;
  --emerald:#1FE06B;
  --emerald-hover:#14B857;
  --coral:#E63946;
  --line:rgba(154,163,160,.14);
  --line-soft:rgba(154,163,160,.08);
  --r-btn:8px;
  --r-card:12px;
  --maxw:1180px;
  --sans:'Geist',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-weight:400;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* blueprint grid texture */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(31,224,107,.035) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(31,224,107,.035) 1px,transparent 1px);
  background-size:88px 88px;
  mask-image:radial-gradient(ellipse 120% 90% at 50% 0%,#000 30%,transparent 80%);
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;position:relative;z-index:1}
section{position:relative;z-index:1}

/* ---------- mono helpers ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:13px;
  font-weight:500;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow .idx{color:var(--emerald)}
.eyebrow::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--emerald);
  box-shadow:0 0 10px rgba(31,224,107,.6);
}
.mono{font-family:var(--mono)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sans);
  font-weight:600;font-size:16px;
  border-radius:var(--r-btn);
  padding:15px 24px;
  cursor:pointer;border:none;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease;
  line-height:1;
}
.btn-primary{
  background:var(--emerald);color:#06120A;
  box-shadow:0 0 0 1px rgba(31,224,107,.4),0 10px 30px -12px rgba(31,224,107,.5);
}
.btn-primary:hover{background:var(--emerald-hover);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,184,87,.5),0 16px 40px -14px rgba(31,224,107,.7)}
.btn-ghost{
  background:transparent;color:var(--text);
  box-shadow:inset 0 0 0 1px var(--line);
}
.btn-ghost:hover{box-shadow:inset 0 0 0 1px rgba(244,247,245,.32);transform:translateY(-2px)}
.btn .wa{width:18px;height:18px;flex:none}

/* ---------- nav ---------- */
header.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(14,17,16,.72);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.wordmark{display:flex;align-items:center;gap:11px;font-weight:600;font-size:17px;letter-spacing:-.01em}
.wordmark .tag{font-family:var(--mono);color:var(--emerald);font-size:16px}
.wordmark .dot{color:var(--emerald)}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a.nl{font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:var(--muted);transition:color .15s}
.nav-links a.nl:hover{color:var(--text)}
.nav-cta{padding:11px 18px;font-size:15px}
/* hamburger */
.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:8px;background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;transition:border-color .18s}
.menu-btn:hover{border-color:rgba(244,247,245,.32)}
.menu-btn span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.menu-btn[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
/* mobile dropdown menu */
.mobile-menu{display:none;position:absolute;left:0;right:0;top:100%;background:rgba(14,17,16,.97);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.mobile-menu.open{display:block;animation:mmIn .28s cubic-bezier(.16,1,.3,1)}
@keyframes mmIn{from{transform:translateY(-10px)}to{transform:translateY(0)}}
.mobile-menu .wrap{display:flex;flex-direction:column;padding-top:8px;padding-bottom:20px}
.mm-link{display:flex;align-items:center;gap:14px;padding:16px 2px;font-size:21px;font-weight:600;letter-spacing:-.015em;border-bottom:1px solid var(--line-soft);transition:color .15s}
.mm-link:last-child{border-bottom:none}
.mm-link:hover,.mm-link:active{color:var(--emerald)}
.mm-idx{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--emerald);min-width:24px}
@media(max-width:760px){.nav-links a.nl{display:none}.menu-btn{display:flex}.nav-links{gap:12px}}

/* ---------- hero ---------- */
.hero{padding:96px 0 104px;overflow:hidden}
.hero .grid{display:grid;gap:40px}
.hero h1{
  font-weight:800;
  font-size:clamp(48px,8.2vw,104px);
  line-height:.98;
  letter-spacing:-.035em;
  margin:28px 0 0;
  max-width:16ch;
  text-wrap:balance;
}
.hero h1 .muted2{color:var(--muted);font-weight:700}
.hero .sub{
  margin-top:30px;
  font-size:clamp(17px,1.6vw,21px);
  color:var(--muted);
  max-width:52ch;
  line-height:1.55;
}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.hero-spec{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:54px;
  padding-top:26px;border-top:1px solid var(--line-soft);
}
.hero-spec .item{font-family:var(--mono);font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:5px}
.hero-spec .item b{color:var(--text);font-weight:500;font-size:15px;letter-spacing:-.01em}
.hero-spec .item span{color:var(--emerald)}

/* ---------- section heading ---------- */
.sec{padding:104px 0;border-top:1px solid var(--line-soft)}
.sec-head{max-width:62ch}
.sec-head h2{
  font-weight:800;
  font-size:clamp(34px,5vw,60px);
  line-height:1.02;
  letter-spacing:-.03em;
  margin-top:22px;
  text-wrap:balance;
}
.sec-head p.lead{margin-top:22px;color:var(--muted);font-size:clamp(16px,1.5vw,19px);max-width:54ch;line-height:1.6}

/* ---------- problema ---------- */
.problem h2 em{font-style:normal;color:var(--coral)}
.pains{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:56px}
.pain{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 28px 34px;
  position:relative;
  transition:border-color .2s,transform .2s;
}
.pain:hover{border-color:rgba(230,57,70,.4);transform:translateY(-3px)}
.pain .pn{font-family:var(--mono);font-size:12px;color:var(--coral);letter-spacing:.1em}
.pain h3{font-size:21px;font-weight:600;letter-spacing:-.01em;margin:20px 0 12px}
.pain p{color:var(--muted);font-size:15.5px;line-height:1.6}
@media(max-width:820px){.pains{grid-template-columns:1fr}}

/* ---------- método rpsv ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:60px;border-top:1px solid var(--line)}
.step{
  padding:34px 26px 40px;
  border-right:1px solid var(--line);
  position:relative;
  transition:background .2s;
}
.step:last-child{border-right:none}
.step:hover{background:var(--surface-1)}
.step .num{font-family:var(--mono);font-size:13px;color:var(--muted)}
.step .letter{
  font-family:var(--mono);
  font-size:54px;font-weight:600;line-height:1;
  color:var(--emerald);margin:18px 0 22px;
  letter-spacing:-.02em;
}
.step h3{font-size:19px;font-weight:600;letter-spacing:-.01em}
.step .ph{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.05em;margin-top:4px}
.step p{color:var(--muted);font-size:14.5px;line-height:1.6;margin-top:16px}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:none}.step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line)}}
@media(max-width:540px){.steps{grid-template-columns:1fr}.step{border-right:none;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:none}}

/* ---------- entrego ---------- */
.deliver{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px}
.dcard{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:38px 36px 40px;
  transition:border-color .2s,transform .2s;
  position:relative;overflow:hidden;
}
.dcard:hover{border-color:rgba(31,224,107,.35);transform:translateY(-3px)}
.dcard .kind{font-family:var(--mono);font-size:12px;color:var(--emerald);letter-spacing:.12em;text-transform:uppercase}
.dcard h3{font-size:clamp(26px,3vw,34px);font-weight:700;letter-spacing:-.02em;margin:18px 0 16px}
.dcard p{color:var(--muted);font-size:16px;line-height:1.6;max-width:42ch}
.dcard ul{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:12px}
.dcard li{font-family:var(--mono);font-size:13.5px;color:var(--text);display:flex;align-items:center;gap:12px}
.dcard li::before{content:"+";color:var(--emerald);font-weight:600}
@media(max-width:820px){.deliver{grid-template-columns:1fr}}

/* ---------- projetos ---------- */
.proj-slots{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:54px}
.slot{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  aspect-ratio:4/3;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px;
  position:relative;
  background:
    repeating-linear-gradient(135deg,rgba(154,163,160,.04) 0,rgba(154,163,160,.04) 1px,transparent 1px,transparent 11px);
  overflow:hidden;
}
.slot .corner{position:absolute;top:16px;left:16px;font-family:var(--mono);font-size:12px;color:var(--emerald)}
.slot .coord{position:absolute;top:16px;right:16px;font-family:var(--mono);font-size:11px;color:var(--muted)}
.slot .label{font-family:var(--mono);font-size:13px;color:var(--muted)}
.slot .label b{display:block;color:var(--text);font-weight:500;font-size:15px;margin-bottom:4px;letter-spacing:-.01em}
@media(max-width:820px){.proj-slots{grid-template-columns:1fr}.slot{aspect-ratio:16/7}}

/* ---------- quem faz ---------- */
.maker{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;margin-top:30px}
.maker .copy h2{font-weight:800;font-size:clamp(30px,4vw,50px);line-height:1.04;letter-spacing:-.03em;margin-top:22px;text-wrap:balance}
.maker .copy p{color:var(--muted);font-size:17px;line-height:1.6;margin-top:24px;max-width:46ch}
.maker .stack{margin-top:34px;padding-top:26px;border-top:1px solid var(--line-soft)}
.maker .stack .sl{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.maker .chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.chip{font-family:var(--mono);font-size:13px;color:var(--text);background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:7px 12px}
.portrait{
  position:relative;
  border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--surface-2),var(--surface-1));
  border:1px solid var(--line);
  overflow:hidden;
  aspect-ratio:4/5;
  display:flex;align-items:flex-end;justify-content:center;
}
.portrait::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(to right,rgba(31,224,107,.07) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(31,224,107,.07) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);
}
.portrait img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center top;filter:drop-shadow(0 30px 50px rgba(0,0,0,.5))}
.portrait .badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  font-family:var(--mono);font-size:12px;color:var(--text);
  background:rgba(14,17,16,.7);backdrop-filter:blur(6px);
  border:1px solid var(--line);border-radius:6px;padding:8px 12px;
  display:flex;align-items:center;gap:8px;
}
.portrait .badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--emerald);box-shadow:0 0 8px var(--emerald)}
@media(max-width:820px){.maker{grid-template-columns:1fr;gap:36px}.portrait{max-width:420px;aspect-ratio:4/5}}

/* ---------- faq ---------- */
.faq-list{margin-top:50px;border-top:1px solid var(--line)}
details.qa{border-bottom:1px solid var(--line)}
details.qa summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:28px 4px;
  font-size:clamp(18px,2.2vw,23px);font-weight:600;letter-spacing:-.015em;
  transition:color .15s;
}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary:hover{color:var(--emerald)}
details.qa .ic{flex:none;width:26px;height:26px;position:relative}
details.qa .ic::before,details.qa .ic::after{
  content:"";position:absolute;background:var(--emerald);border-radius:2px;transition:transform .22s ease;
}
details.qa .ic::before{top:12px;left:4px;width:18px;height:2px}
details.qa .ic::after{top:4px;left:12px;width:2px;height:18px}
details.qa[open] .ic::after{transform:scaleY(0)}
details.qa .ans{padding:0 4px 30px;max-width:70ch}
details.qa .ans p{color:var(--muted);font-size:16.5px;line-height:1.65}
details.qa .qn{font-family:var(--mono);font-size:13px;color:var(--muted);margin-right:14px}

/* ---------- cta final ---------- */
.final{padding:120px 0 130px;border-top:1px solid var(--line-soft);position:relative;overflow:hidden}
.final::after{
  content:"";position:absolute;left:50%;top:55%;transform:translate(-50%,-50%);
  width:680px;height:680px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,107,.16),transparent 62%);
  filter:blur(20px);pointer-events:none;z-index:0;
}
.final .inner{position:relative;z-index:1;text-align:center;max-width:760px;margin:0 auto}
.final h2{font-weight:800;font-size:clamp(36px,6vw,68px);line-height:1.02;letter-spacing:-.035em;text-wrap:balance;max-width:14ch;margin:0 auto}
.final p{color:var(--muted);font-size:clamp(17px,1.7vw,20px);margin:26px auto 0;max-width:46ch;line-height:1.55}
.final .actions{display:flex;justify-content:center;margin-top:40px}
.final .btn-primary{padding:18px 32px;font-size:18px}
.final .micro{margin-top:22px;font-family:var(--mono);font-size:12.5px;color:var(--muted);letter-spacing:.04em}

/* ---------- footer ---------- */
footer.ft{border-top:1px solid var(--line-soft);padding:42px 0}
.ft-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px}
.ft-inner .l{display:flex;align-items:center;gap:11px;font-weight:600}
.ft-inner .r{font-family:var(--mono);font-size:12px;color:var(--muted);display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.ft-inner .r a:hover{color:var(--text)}
.ft-ig{display:flex;align-items:center;gap:6px;transition:color .2s}
.ft-ig svg{flex-shrink:0}
.ft-copy{font-family:var(--mono);font-size:11px;color:var(--muted);margin-top:22px;padding-top:18px;border-top:1px solid var(--line-soft)}

/* ---------- mobile ---------- */
@media(max-width:640px){
  .wrap{padding:0 20px}
  .nav-inner{height:60px}
  .wordmark{font-size:15px;gap:9px}
  .wordmark .tag{font-size:14px}
  .nav-cta{padding:10px 15px;font-size:14px}
  .hero{padding:50px 0 60px}
  .hero h1{font-size:clamp(38px,10.5vw,54px);margin-top:22px;max-width:none}
  .hero .sub{font-size:17px;margin-top:22px;max-width:none}
  .hero .actions{margin-top:30px;gap:12px}
  .hero .actions .btn{width:100%;justify-content:center}
  .hero-spec{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px;margin-top:40px}
  .sec{padding:64px 0}
  .sec-head h2{font-size:clamp(30px,8.4vw,42px)}
  .sec-head p.lead{font-size:16px;margin-top:18px}
  .pains{margin-top:34px;gap:14px}
  .pain{padding:26px 24px 28px}
  .steps{margin-top:38px}
  .deliver{margin-top:34px}
  .dcard{padding:30px 26px 34px}
  .dcard h3{font-size:28px}
  .proj-slots{margin-top:34px}
  .maker{margin-top:6px;gap:30px}
  .maker .copy h2{font-size:clamp(28px,8vw,40px)}
  .maker .copy p{font-size:16px}
  .portrait{max-width:100%}
  .faq-list{margin-top:32px}
  details.qa summary{padding:23px 2px;gap:16px}
  details.qa .qn{display:none}
  .final{padding:82px 0 90px}
  .final h2{font-size:clamp(33px,9.2vw,48px);max-width:13ch}
  .final p{font-size:17px}
  .final::after{width:440px;height:440px}
  .final .btn-primary{width:100%;justify-content:center}
  .ft-inner{flex-direction:column;align-items:flex-start;gap:14px}
  .ft-inner .r{flex-direction:column;gap:8px}
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}