/* Veltrix Solution — estilo base
   Paleta e regras conforme identidade/design-guide.md (dark first). */

:root {
  --preto: #000000;
  --superficie: #0E0E0E;
  --superficie-2: #141414;
  --borda: #222222;
  --borda-clara: #2e2e2e;
  --branco: #FFFFFF;
  --prata: #D3D3D4;
  --prata-escuro: #A6ABB5;
  --azul: #0A84FF;
  --azul-escuro: #012864;
  --grad: linear-gradient(90deg, #005CFF, #0A92FE);

  --fonte-titulo: 'Orbitron', 'Eurostile', system-ui, sans-serif;
  --fonte-corpo: 'Inter', system-ui, -apple-system, Helvetica, Arial, sans-serif;

  --max: 1120px;
  --gutter: 16px;
  --raio: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--preto);
  color: var(--prata);
  font-family: var(--fonte-corpo);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--branco); text-decoration: none; }
a:hover { color: var(--azul); }

::selection { background: var(--azul); color: var(--branco); }

:focus-visible {
  outline: 2px solid var(--azul);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--azul);
  color: var(--branco);
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; color: var(--branco); }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.wrap-narrow { max-width: 760px; }

/* ---------- Tipografia ---------- */

h1, h2, h3 {
  font-family: var(--fonte-titulo);
  color: var(--branco);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.15;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(30px, 6.2vw, 62px);
  letter-spacing: 0.01em;
}

h2 {
  font-size: clamp(22px, 3.4vw, 34px);
  letter-spacing: 0.02em;
}

h3 {
  font-size: 17px;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

p { margin: 0 0 16px; }

.eyebrow {
  font-family: var(--fonte-titulo);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--azul);
  margin: 0 0 18px;
}

.lead {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--prata);
  max-width: 620px;
}

.section-lead {
  color: var(--prata-escuro);
  max-width: 620px;
  margin-bottom: 0;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--borda);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}
.brand:hover { color: var(--branco); }

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--borda-clara);
  border-radius: 8px;
  background: var(--superficie);
  font-family: var(--fonte-titulo);
  font-weight: 700;
  font-size: 16px;
  color: var(--azul);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.1; }

.brand-name {
  font-family: var(--fonte-titulo);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--branco);
}

.brand-sub {
  font-family: var(--fonte-titulo);
  font-weight: 500;
  font-size: 8px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--prata-escuro);
}

.nav { display: flex; gap: 28px; }

.nav a {
  font-size: 14px;
  color: var(--prata);
  letter-spacing: 0.01em;
}
.nav a:hover { color: var(--branco); }

/* ---------- Botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-family: var(--fonte-corpo);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.btn-primary {
  background: var(--azul);
  color: var(--branco);
  box-shadow: 0 0 0 rgba(10, 132, 255, 0);
}
.btn-primary:hover {
  background: #2a94ff;
  color: var(--branco);
  box-shadow: 0 0 28px rgba(10, 132, 255, 0.28);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  border-color: var(--borda-clara);
  color: var(--branco);
}
.btn-ghost:hover {
  border-color: var(--branco);
  color: var(--branco);
}

.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 12vw, 140px) 0 clamp(60px, 9vw, 110px);
  border-bottom: 1px solid var(--borda);
}

.hero-glow {
  position: absolute;
  top: -320px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 640px;
  background: radial-gradient(closest-side, rgba(10, 132, 255, 0.20), rgba(1, 40, 100, 0.08) 55%, transparent 72%);
  pointer-events: none;
}

.hero-inner { position: relative; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 22px;
}

.hero-note {
  font-size: 14px;
  color: var(--prata-escuro);
  margin: 0;
  max-width: 560px;
}

/* ---------- Seções ---------- */

.section { padding: clamp(60px, 9vw, 110px) 0; }

.section-alt {
  background: var(--superficie);
  border-top: 1px solid var(--borda);
  border-bottom: 1px solid var(--borda);
}

.section-head { margin-bottom: 48px; }

/* ---------- Cards ---------- */

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-tight { gap: 18px 48px; }

.card {
  position: relative;
  background: var(--superficie-2);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 30px 28px;
  transition: border-color .2s ease, background-color .2s ease;
}
.card:hover { border-color: var(--azul); background: #161616; }

.card-num {
  display: block;
  font-family: var(--fonte-titulo);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--azul);
  margin-bottom: 18px;
}

.card p, .feature p, .step p { margin: 0; color: var(--prata-escuro); }

/* ---------- Passos ---------- */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.step {
  display: flex;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--borda);
}
.step:last-child { border-bottom: 1px solid var(--borda); }

.step-num {
  font-family: var(--fonte-titulo);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--azul);
  min-width: 42px;
  padding-top: 3px;
}

/* ---------- Diferenciais ---------- */

.feature {
  border-left: 1px solid var(--borda);
  padding: 4px 0 4px 22px;
}

/* ---------- FAQ ---------- */

.faq { border-top: 1px solid var(--borda); }

.faq details {
  border-bottom: 1px solid var(--borda);
  padding: 18px 0;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  color: var(--branco);
  font-weight: 500;
  font-size: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  color: var(--azul);
  font-size: 20px;
  line-height: 1;
  flex-shrink: 0;
}
.faq details[open] summary::after { content: "–"; }

.faq details p {
  margin: 14px 0 0;
  color: var(--prata-escuro);
  max-width: 62ch;
}

/* ---------- Contato ---------- */

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 32px 0;
  display: grid;
  gap: 18px;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--borda);
  padding-top: 14px;
}

.contact-label {
  font-family: var(--fonte-titulo);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--prata-escuro);
}

.contact-list a { color: var(--branco); word-break: break-word; }
.contact-list a:hover { color: var(--azul); }

.contact-form {
  background: var(--superficie-2);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 30px 28px;
}

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-size: 13px;
  color: var(--prata);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.field .opt { color: var(--prata-escuro); }

.field input,
.field textarea {
  width: 100%;
  background: var(--preto);
  border: 1px solid var(--borda-clara);
  border-radius: 8px;
  color: var(--branco);
  font-family: var(--fonte-corpo);
  font-size: 15px;
  padding: 12px 14px;
  transition: border-color .18s ease, box-shadow .18s ease;
}

.field textarea { resize: vertical; min-height: 120px; }

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.16);
}

.form-note {
  font-size: 13px;
  color: var(--prata-escuro);
  margin: 14px 0 0;
  text-align: center;
}

/* ---------- Rodapé ---------- */

.site-footer {
  border-top: 1px solid var(--borda);
  padding-top: 56px;
  background: var(--preto);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
}

.footer-brand { max-width: 380px; }
.footer-brand img { width: 120px; height: auto; border-radius: 8px; margin-bottom: 18px; }
.footer-brand p { color: var(--prata-escuro); font-size: 14px; margin: 0; }

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}
.footer-nav a { color: var(--prata); }
.footer-nav a:hover { color: var(--azul); }

.footer-base {
  border-top: 1px solid var(--borda);
  padding-top: 20px;
  padding-bottom: 28px;
}
.footer-base p {
  margin: 0;
  font-size: 13px;
  color: var(--prata-escuro);
}

/* ---------- Animações ---------- */

@keyframes vx-subir {
  from { opacity: 0; transform: translateY(110%); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes vx-brilho-pulso {
  0%, 100% { opacity: .75; transform: translateX(-50%) scale(1); }
  50%      { opacity: 1;   transform: translateX(-50%) scale(1.08); }
}

@keyframes vx-orb {
  0%   { transform: translate3d(-8%, 0, 0) scale(1); }
  50%  { transform: translate3d(10%, -6%, 0) scale(1.12); }
  100% { transform: translate3d(-8%, 0, 0) scale(1); }
}

@keyframes vx-abrir {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes vx-piscar {
  0%, 100% { opacity: 1; }
  50%      { opacity: .35; }
}

/* Entrada em cascata (o atraso --d vem do script) */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity .6s cubic-bezier(.22, .61, .36, 1) var(--d, 0ms),
    transform .6s cubic-bezier(.22, .61, .36, 1) var(--d, 0ms);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* Título do hero: palavra por palavra */
.hero h1.split { display: flex; flex-wrap: wrap; column-gap: .28em; }
.hero h1 .w { display: inline-block; overflow: hidden; padding-bottom: .06em; }
.hero h1 .w > span {
  display: inline-block;
  opacity: 0;
  animation: vx-subir .85s cubic-bezier(.22, .61, .36, 1) forwards;
}

/* Luz do hero em movimento */
.hero-glow { animation: vx-brilho-pulso 9s ease-in-out infinite; }

.hero-orb {
  position: absolute;
  right: -160px;
  bottom: -220px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(1, 40, 100, .55), transparent 70%);
  filter: blur(8px);
  pointer-events: none;
  animation: vx-orb 18s ease-in-out infinite;
}

.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
}

/* Header: barra de progresso e estado rolado */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
}
.scroll-progress span {
  display: block;
  height: 100%;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .12s linear;
}

.site-header {
  transition: background-color .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled {
  background: rgba(0, 0, 0, .92);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .55);
}
.site-header.is-scrolled .header-inner { height: 62px; }
.header-inner { transition: height .3s ease; }

/* Marca */
.brand-mark { transition: border-color .25s ease, box-shadow .25s ease, color .25s ease; }
.brand:hover .brand-mark {
  border-color: var(--azul);
  box-shadow: 0 0 18px rgba(10, 132, 255, .35);
}

/* Menu: sublinhado que cresce + seção ativa */
.nav a {
  position: relative;
  padding-bottom: 4px;
  transition: color .2s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 100%;
  background: var(--azul);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .28s cubic-bezier(.22, .61, .36, 1);
}
.nav a:hover::after,
.nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--branco); }

/* Botões: reflexo que atravessa */
.btn { position: relative; overflow: hidden; }
.btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .18), transparent);
  transform: skewX(-18deg);
  pointer-events: none;
  transition: left .55s ease;
}
.btn:hover::after { left: 130%; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .6; cursor: progress; }
.btn:disabled::after { display: none; }

/* Cards: elevação, linha superior e brilho junto ao cursor */
.card {
  overflow: hidden;
  transform: translateZ(0);
  transition: border-color .25s ease, background-color .25s ease,
              transform .35s cubic-bezier(.22, .61, .36, 1), box-shadow .35s ease;
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 1px;
  width: 100%;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .45s cubic-bezier(.22, .61, .36, 1);
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 0%), rgba(10, 132, 255, .10), transparent 70%);
  transition: opacity .3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .55);
}
.card:hover::before { transform: scaleX(1); }
.card:hover::after { opacity: 1; }
.card-num { transition: letter-spacing .35s ease; }
.card:hover .card-num { letter-spacing: .32em; }

/* Passos: linha azul que preenche e número que acende */
.step {
  position: relative;
  transition: background-color .3s ease, padding-left .3s ease;
}
.step::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  height: 1px;
  width: 100%;
  background: var(--azul);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .5s cubic-bezier(.22, .61, .36, 1);
}
.step:hover::before { transform: scaleX(1); }
.step:hover { padding-left: 10px; }
.step-num { transition: text-shadow .3s ease, color .3s ease; }
.step:hover .step-num { text-shadow: 0 0 16px rgba(10, 132, 255, .8); }

/* Diferenciais: a borda esquerda acende */
.feature { transition: border-color .3s ease, padding-left .3s ease; }
.feature:hover { border-color: var(--azul); padding-left: 26px; }

/* Perguntas: sinal gira e a resposta entra */
.faq summary::after {
  transition: transform .3s cubic-bezier(.22, .61, .36, 1), color .2s ease;
}
.faq details[open] summary::after { transform: rotate(180deg); }
.faq summary { transition: color .2s ease; }
.faq summary:hover { color: var(--azul); }
.faq details[open] p { animation: vx-abrir .35s ease both; }

/* Formulário */
.contact-form { position: relative; overflow: hidden; }
.contact-form::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 0%), rgba(10, 132, 255, .07), transparent 70%);
  transition: opacity .3s ease;
}
.contact-form:hover::after { opacity: 1; }
.field input, .field textarea { transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease; }
.field input:hover, .field textarea:hover { border-color: #3a3a3a; }

.form-alerta {
  margin: 16px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--azul);
  border-radius: 8px;
  background: rgba(10, 132, 255, .08);
  color: var(--prata);
  font-size: 14px;
  line-height: 1.5;
  animation: vx-abrir .3s ease both;
}
.form-alerta.is-ok { border-color: #2f7d4f33; background: rgba(255, 255, 255, .05); color: var(--branco); }
.form-alerta a { color: var(--branco); text-decoration: underline; }
.form-alerta a:hover { color: var(--azul); }

/* Links de contato e rodapé */
.contact-list li { transition: border-color .3s ease; }
.contact-list li:hover { border-color: var(--azul); }
.footer-brand img { transition: transform .5s cubic-bezier(.22, .61, .36, 1), box-shadow .5s ease; }
.footer-brand img:hover { transform: scale(1.03); box-shadow: 0 0 40px rgba(10, 132, 255, .18); }

/* Movimento reduzido: tudo estático */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero h1 .w > span { opacity: 1; animation: none; }
  .hero-glow, .hero-orb { animation: none; }
  .btn:hover { transform: none; }
  .btn::after { display: none; }
  .card:hover { transform: none; }
  .step:hover { padding-left: 0; }
  .feature:hover { padding-left: 22px; }
  .faq details[open] p { animation: none; }
  .footer-brand img:hover { transform: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* ---------- Responsivo ---------- */

@media (max-width: 900px) {
  .contact { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 760px) {
  .nav { display: none; }
  .grid-2 { grid-template-columns: 1fr; }
  .feature { border-left: none; border-top: 1px solid var(--borda); padding: 18px 0 0; }
  .grid-tight { gap: 8px; }
  .header-inner { height: 64px; gap: 12px; }
  .step { gap: 16px; }
  .hero-actions .btn { flex: 1 1 auto; }
}

@media (max-width: 420px) {
  body { font-size: 16px; }
  .card, .contact-form { padding: 24px 20px; }
}

/* ---------- Campo-armadilha (anti-robô) ---------- */

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Página legal ---------- */

.legal { color: var(--prata); }

.legal-title {
  font-size: clamp(26px, 4.2vw, 40px);
  margin-bottom: 8px;
}

.legal-meta {
  font-size: 13px;
  color: var(--prata-escuro);
  margin-bottom: 36px;
}

.legal h2 {
  font-family: var(--fonte-corpo);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--branco);
  margin: 38px 0 12px;
  padding-top: 20px;
  border-top: 1px solid var(--borda);
}

.legal p { max-width: 68ch; }

.legal ul {
  margin: 0 0 16px;
  padding-left: 20px;
  max-width: 68ch;
}
.legal li { margin-bottom: 6px; }

.legal a { color: var(--branco); text-decoration: underline; }
.legal a:hover { color: var(--azul); }

.legal-back {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--borda);
}

.form-note a { color: var(--prata); text-decoration: underline; }
.form-note a:hover { color: var(--azul); }