/* ==========================================================================
   Versalit Coder — site institucional · preto & branco
   Base: arquitetura raqIA v2 · Poppins + JetBrains Mono
   ========================================================================== */

:root {
  --white: #ffffff;
  --ink: #0a0a0a;
  --ink-2: #1c1c1c;
  --muted: #5a5a5a;
  --border: #e4e4e4;
  --border-strong: #c9c9c9;
  --pale: #f5f5f5;
  --card: #ffffff;
  --radius: 26px;
  --shadow: 0 18px 50px -18px rgba(0, 0, 0, .14);
  --shadow-sm: 0 6px 24px -10px rgba(0, 0, 0, .12);
  --font: "Poppins", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body.v2 {
  font-family: var(--font);
  background: var(--white);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ink); color: #fff; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }

h1, h2, h3 { color: var(--ink); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; }
h1 { font-size: clamp(40px, 5.6vw, 72px); }
h2 { font-size: clamp(30px, 3.6vw, 46px); }
h3 { font-size: 21px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--muted); max-width: 640px; }

/* ---------- botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font); font-weight: 600; font-size: 15px;
  padding: 14px 26px; border-radius: 14px; border: 1.5px solid transparent;
  cursor: pointer; text-decoration: none; transition: all .22s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--ink); color: #fff; box-shadow: 0 10px 30px -10px rgba(0,0,0,.4); }
.btn-primary:hover { background: #2a2a2a; transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(0,0,0,.5); }
.btn-ghost { border-color: var(--border-strong); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn-sm { padding: 10px 18px; font-size: 13.5px; border-radius: 11px; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.16,1,.3,1); }
.reveal.in-view { opacity: 1; transform: none; }
.stagger-children > * { transition-delay: calc(var(--i, 0) * 80ms); }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 200;
  background: rgba(255,255,255,.85); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s;
}
.nav.scrolled { border-color: var(--border); box-shadow: 0 4px 24px rgba(0,0,0,.06); }
.nav-inner { display: flex; align-items: center; gap: 34px; height: 74px; }
.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-mark { width: 30px; height: 30px; }
.nav-name { font-weight: 700; font-size: 21px; color: var(--ink); letter-spacing: -0.02em; }
.nav-name strong { font-weight: 700; }
.nav-tag { font-family: var(--mono); font-size: 10px; color: var(--muted); border: 1px solid var(--border); border-radius: 20px; padding: 3px 10px; letter-spacing: .08em; text-transform: uppercase; }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--muted); text-decoration: none; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { margin-left: 6px; }
.nav-burger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-burger span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: .3s; }
@media (max-width: 980px) {
  .nav-links { position: fixed; top: 74px; right: 0; left: 0; flex-direction: column; background: #fff; border-bottom: 1px solid var(--border); padding: 18px 28px 24px; gap: 16px; transform: translateY(-130%); transition: transform .35s ease; box-shadow: var(--shadow); }
  .nav-links.open { transform: none; }
  .nav-burger { display: block; margin-left: auto; }
  .nav-cta { margin-left: 0; }
}

/* ---------- hero ---------- */
.hero {
  position: relative; padding: 170px 0 90px; overflow: hidden;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(0,0,0,.06), transparent 60%),
    radial-gradient(700px 500px at 0% 110%, rgba(0,0,0,.05), transparent 55%),
    var(--white);
}
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,0,0,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 75% at 50% 30%, #000 30%, transparent 75%);
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; top: 30%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,.4), transparent);
  animation: scanline 9s ease-in-out infinite; opacity: .4; pointer-events: none;
}
@keyframes scanline { 0%,100% { transform: translateY(0); opacity: 0; } 10% { opacity: .4; } 50% { transform: translateY(240px); opacity: .3; } 90% { opacity: .2; } }

.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero h1 { margin: 20px 0 22px; }
.hero h1 .hl { border-bottom: 6px solid var(--ink); }
.hero-cta { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.hero-trust {
  margin-top: 44px; display: flex; flex-wrap: wrap; gap: 10px 26px;
  font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: .06em; text-transform: uppercase;
}
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust span::before { content: "//"; color: var(--ink); font-weight: 600; }

/* cubo isométrico P&B */
.cube { display: inline-block; }
.cube svg { display: block; filter: drop-shadow(0 8px 14px rgba(0,0,0,.18)); }

/* painel de blocos do hero */
.hero-blocks { display: flex; flex-direction: column; gap: 14px; }
.hblock {
  display: flex; align-items: center; gap: 16px;
  background: var(--card); border: 1.5px solid var(--border); border-radius: 20px;
  padding: 16px 20px; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, border-color .25s, box-shadow .25s;
  text-decoration: none;
}
.hblock:hover { transform: translateX(8px); border-color: var(--ink); box-shadow: var(--shadow); }
.hblock:nth-child(odd) { margin-left: 34px; }
.hblock:nth-child(even) { margin-right: 34px; }
.hblock-name { font-weight: 600; font-size: 15.5px; color: var(--ink); }
.hblock-desc { font-size: 12.5px; color: var(--muted); }
.hblock .tag { margin-left: auto; font-family: var(--mono); font-size: 10px; color: var(--ink); background: var(--pale); padding: 4px 10px; border-radius: 20px; letter-spacing: .05em; white-space: nowrap; }
.hblock .tag.live { background: var(--ink); color: #fff; }

.scroll-hint { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 10px; letter-spacing: .3em; color: var(--muted); text-transform: uppercase; }
.scroll-hint::after { content: "↓"; display: block; text-align: center; margin-top: 6px; animation: hint 1.8s ease-in-out infinite; color: var(--ink); }
@keyframes hint { 50% { transform: translateY(6px); } }

/* ---------- seções genéricas ---------- */
section { padding: 96px 0; position: relative; }
.sec-head { max-width: 720px; margin-bottom: 56px; }
.sec-head h2 { margin: 16px 0 14px; }
.sec-head .lead { margin-top: 4px; }

/* ---------- desafio ---------- */
.challenge-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.challenge {
  border: 1.5px solid var(--border); border-radius: var(--radius); padding: 30px 28px;
  background: var(--card); transition: transform .25s, box-shadow .25s, border-color .25s;
}
.challenge:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.challenge .n { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: .1em; }
.challenge h3 { margin: 14px 0 10px; }
.challenge p { font-size: 14.5px; color: var(--muted); }

/* ---------- soluções bento ---------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.bcell {
  border: 1.5px solid var(--border); border-radius: var(--radius); padding: 32px 30px;
  background: var(--card); transition: transform .25s, box-shadow .25s, border-color .25s;
  display: flex; flex-direction: column; gap: 12px; min-height: 230px;
}
.bcell:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--ink); }
.bcell:nth-child(1), .bcell:nth-child(2) { grid-column: span 3; }
.bcell:nth-child(3), .bcell:nth-child(4) { grid-column: span 3; }
.bcell h3 { margin-top: 4px; }
.bcell p { font-size: 14.5px; color: var(--muted); flex: 1; }
.bcell .bchips { display: flex; flex-wrap: wrap; gap: 8px; }
.bcell .bchip { font-family: var(--mono); font-size: 10.5px; color: var(--ink); background: var(--pale); border-radius: 8px; padding: 5px 10px; letter-spacing: .03em; }
.bcell .bhead { display: flex; align-items: center; gap: 14px; }
.bcell .blink { font-size: 13.5px; font-weight: 600; color: var(--ink); text-decoration: none; margin-top: 4px; }
.bcell .blink:hover { text-decoration: underline; }

/* ---------- produto destaque (seção escura) ---------- */
.product { background: var(--ink); color: #fff; }
.product h2 { color: #fff; }
.product .lead { color: #b3b3b3; }
.product .eyebrow { color: #fff; }
.product .eyebrow::before { background: #fff; }
.prod-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: start; }
.prod-name { font-family: var(--mono); font-size: 13px; letter-spacing: .2em; text-transform: uppercase; color: #8f8f8f; }
.prod-title { font-size: clamp(34px, 4vw, 54px); margin: 10px 0 16px; }
.prod-list { display: flex; flex-direction: column; gap: 14px; margin-top: 26px; }
.prod-li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: #d4d4d4; }
.prod-li::before { content: "//"; font-family: var(--mono); color: #fff; font-weight: 600; }
.prod-card {
  border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius);
  background: #111; padding: 30px; display: flex; flex-direction: column; gap: 18px;
}
.prod-card .term {
  font-family: var(--mono); font-size: 12.5px; background: #000; border: 1px solid #2a2a2a;
  color: #8fe3a8; border-radius: 14px; padding: 18px 20px; line-height: 1.8; white-space: pre; overflow-x: auto;
}
.prod-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.prod-tag { font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; border: 1px solid #3a3a3a; color: #cfcfcf; border-radius: 8px; padding: 5px 10px; }
.prod-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.prod-cta .btn-ghost { border-color: #444; color: #fff; }
.prod-cta .btn-ghost:hover { border-color: #fff; }
.prod-cta .btn-primary { background: #fff; color: var(--ink); }
.prod-cta .btn-primary:hover { background: #ddd; }

/* ---------- track record ---------- */
.track { background: var(--pale); }
.track-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tcell { background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius); padding: 30px 26px; }
.tcell .num { font-size: clamp(30px, 3vw, 42px); font-weight: 800; letter-spacing: -0.03em; }
.tcell .lbl { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-top: 6px; }
.tcell p { font-size: 13.5px; color: var(--muted); margin-top: 14px; }

/* ---------- comparativo ---------- */
.compare { overflow: hidden; border: 1.5px solid var(--border); border-radius: var(--radius); }
.compare table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.compare th, .compare td { padding: 16px 22px; text-align: left; }
.compare thead th { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); background: var(--pale); border-bottom: 1.5px solid var(--border); }
.compare tbody td { border-bottom: 1px solid var(--border); color: var(--muted); }
.compare tbody tr:last-child td { border-bottom: none; }
.compare tbody td:first-child { font-weight: 600; color: var(--ink); }
.compare td.yes { color: var(--ink); font-weight: 600; }
.compare td.no { color: #a8a8a8; }

/* ---------- processo ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: st; }
.step { border-top: 2px solid var(--border); padding-top: 22px; counter-increment: st; transition: border-color .3s; }
.step:hover { border-color: var(--ink); }
.step::before { content: "0" counter(st); font-family: var(--mono); font-size: 26px; color: var(--ink); font-weight: 600; }
.step h3 { font-size: 16.5px; margin: 12px 0 8px; }
.step p { font-size: 13.5px; color: var(--muted); }

/* ---------- contato ---------- */
.simulate { background: var(--pale); }
.sim-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.sim-points { margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.sim-point { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--muted); }
.sim-point::before { content: "▣"; color: var(--ink); font-size: 13px; margin-top: 2px; }
.sim-form { background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius); padding: 36px 34px; box-shadow: var(--shadow); }
.sim-form h3 { margin-bottom: 20px; }
.sim-form label { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 16px 0 6px; }
.sim-form input, .sim-form textarea {
  width: 100%; border: 1.5px solid var(--border); border-radius: 12px; padding: 12px 14px;
  font-family: var(--font); font-size: 14.5px; color: var(--ink); background: #fff;
  transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.sim-form input:focus, .sim-form textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 4px rgba(0,0,0,.08); }
.sim-form .btn { width: 100%; justify-content: center; margin-top: 24px; }
.sim-pick { display: flex; flex-wrap: wrap; gap: 8px; }
.sim-pick .chip {
  font-size: 12.5px; font-weight: 500; border: 1.5px solid var(--border-strong); border-radius: 20px;
  padding: 7px 14px; cursor: pointer; color: var(--muted); transition: all .2s; background: #fff;
}
.sim-pick .chip.on { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---------- CTA final ---------- */
.final { padding: 110px 0; text-align: center; background:
  radial-gradient(700px 380px at 50% 120%, rgba(0,0,0,.08), transparent 65%), var(--white); }
.final h2 { font-size: clamp(34px, 4.4vw, 58px); }
.final .lead { margin: 18px auto 36px; }

/* ---------- footer ---------- */
footer { border-top: 1.5px solid var(--border); padding: 60px 0 40px; background: var(--white); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.foot-brand p { font-size: 13.5px; color: var(--muted); margin-top: 14px; max-width: 260px; }
.foot-col h4 { font-family: var(--mono); font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.foot-col a { display: block; font-size: 14px; color: var(--ink); text-decoration: none; margin-bottom: 10px; font-weight: 500; }
.foot-col a:hover { text-decoration: underline; }
.foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 50px; padding-top: 24px; border-top: 1px solid var(--border); font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* ---------- responsivo ---------- */
@media (max-width: 980px) {
  .hero-inner, .prod-grid, .sim-wrap { grid-template-columns: 1fr; gap: 44px; }
  .challenge-grid, .track-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .bcell:nth-child(n) { grid-column: span 6; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  section { padding: 72px 0; }
  .challenge-grid, .track-grid, .steps { grid-template-columns: 1fr; }
  .hblock:nth-child(odd), .hblock:nth-child(even) { margin-left: 0; margin-right: 0; }
  .nav-tag { display: none; }
}