/* virtdev landing
   Paleta tirada do próprio logotipo (amostrada em logos/virt-dev-logo-500x500.png):
   navy #001641 é a cor do wordmark, azure #00A4EF o campo, cyan #00BCE0 o símbolo,
   âmbar #FF8F0D os conectores. O âmbar aparece só onde o produto sinaliza atenção. */

:root {
  --navy:      #001641;
  --navy-deep: #000E2B;
  --navy-panel:#04204F;
  --azure:     #00A4EF;
  --cyan:      #00BCE0;
  --amber:     #FF8F0D;
  --sheet:     #F2F9FC;
  --sheet-2:   #E3EDF4;
  --ink:       #001641;
  --muted:     #4C6084;
  --muted-light:#9FBBD6;

  --display: 'Archivo', system-ui, sans-serif;
  --body: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  --wrap: 1140px;
  --pad-x: clamp(20px, 5vw, 56px);
  --band-y: clamp(72px, 9vw, 132px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--sheet);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

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

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 12px 18px;
  z-index: 10;
}
.skip:focus { left: 12px; top: 12px; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--pad-x);
}

/* ---------- topbar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px var(--pad-x);
}

.topbar__brand { display: inline-flex; }
.topbar__brand img { width: 176px; height: auto; }

.topbar__nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
}

.langs { display: inline-flex; gap: 2px; }

.langs__btn {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
  background: none;
  border: 0;
  padding: 6px 8px;
  cursor: pointer;
}
.langs__btn:hover { color: var(--ink); }
.langs__btn.is-on { color: var(--ink); box-shadow: inset 0 -2px 0 var(--azure); }

/* ---------- botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--body);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 13px 22px;
  border-radius: 2px;
  text-decoration: none;
  transition: transform .15s ease, background-color .15s ease, color .15s ease;
}
.btn--lg { font-size: 16px; padding: 17px 30px; }

.btn--solid { background: var(--azure); color: var(--navy); }
.btn--solid:hover { background: var(--cyan); transform: translateY(-1px); }

.btn--ghost { color: var(--azure); box-shadow: inset 0 0 0 1px rgba(0, 164, 239, .5); }
.btn--ghost:hover { color: var(--cyan); box-shadow: inset 0 0 0 1px var(--cyan); }

/* ---------- tipografia comum ---------- */

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 20px;
}
.eyebrow--dark { color: var(--muted); }

.h2 {
  font-family: var(--display);
  font-variation-settings: 'wdth' 116, 'wght' 760;
  font-size: clamp(1.9rem, 3.7vw, 2.9rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  margin: 0 0 20px;
  max-width: 20ch;
}
.h2--light { color: var(--sheet); }

.p {
  margin: 0 0 22px;
  max-width: 62ch;
  color: var(--muted);
  font-size: 1.05rem;
}
.p--light { color: var(--muted-light); }
.p--center { margin-inline: auto; }

.anchor {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  opacity: .92;
  margin: 6px 0 0;
}
.anchor::before {
  content: '';
  display: block;
  width: 26px;
  height: 1px;
  background: currentColor;
  margin-bottom: 10px;
}
.anchor--light { color: var(--cyan); opacity: .8; margin-bottom: 22px; }

/* ---------- hero ---------- */

.hero {
  background: var(--navy);
  color: var(--sheet);
  padding: clamp(56px, 8vw, 104px) 0 clamp(64px, 9vw, 120px);
  position: relative;
  overflow: hidden;
}
.hero::before {
  /* malha de medição: hairlines finíssimas, o fundo é instrumento, não decoração */
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(0, 164, 239, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 164, 239, .07) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(120% 90% at 20% 0%, #000 20%, transparent 78%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--pad-x);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.hero__title {
  font-family: var(--display);
  font-variation-settings: 'wdth' 122, 'wght' 800;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: .98;
  letter-spacing: -.03em;
  margin: 0 0 24px;
  text-wrap: balance;
}

.lede {
  margin: 0 0 34px;
  max-width: 52ch;
  color: var(--muted-light);
  font-size: clamp(1.02rem, 1.4vw, 1.16rem);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- painel de leitura de impacto (elemento-assinatura) ---------- */

.readout {
  margin: 0;
  background: var(--navy-deep);
  box-shadow: inset 0 0 0 1px rgba(0, 188, 224, .28);
  position: relative;
  overflow: hidden;
}
.readout::after {
  /* varredura única na carga: o painel "lê" antes de mostrar o resultado */
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 140px;
  background: linear-gradient(to bottom, transparent, rgba(0, 188, 224, .16), transparent);
  transform: translateY(-160px);
  animation: scan 1.5s ease-out .15s 1 forwards;
  pointer-events: none;
}

.readout__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(0, 188, 224, .22);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.readout__tag {
  color: var(--amber);
  letter-spacing: .12em;
  box-shadow: inset 0 0 0 1px rgba(255, 143, 13, .45);
  padding: 3px 8px;
}

.readout__body {
  margin: 0;
  padding: 22px 20px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.9;
  color: #CFE6F5;
  white-space: pre;
}

.r-line {
  display: block;
  opacity: 0;
  transform: translateY(4px);
  animation: rise .5s ease-out forwards;
  animation-delay: calc(.35s + var(--i) * .11s);
}
.r-gap { margin-top: 14px; }
.r-key { color: var(--azure); }
.r-sec { color: var(--sheet); }
.r-val { color: var(--cyan); }
.r-add { color: #5FD08A; }
.r-del { color: #FF7A6B; }
.r-hi  { color: var(--amber); }
.r-md  { color: var(--cyan); }

.readout__note {
  margin: 0;
  padding: 14px 20px 18px;
  border-top: 1px solid rgba(0, 188, 224, .16);
  font-size: .88rem;
  color: var(--muted-light);
}

@keyframes scan { to { transform: translateY(520px); opacity: 0; } }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ---------- faixas ---------- */

.band { padding-block: var(--band-y); }
.band--sheet { background: var(--sheet); }
.band--field { background: var(--navy); color: var(--sheet); }
.band--cta { background: var(--sheet-2); }

.wrap--split {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
}
.wrap--center { text-align: center; }
.wrap--center .h2 { margin-inline: auto; }

.symptoms {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--sheet-2);
  box-shadow: 0 0 0 1px var(--sheet-2);
}
.symptoms li {
  background: var(--sheet);
  padding: 16px 18px;
  font-size: .98rem;
}
.symptoms li::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 12px;
  background: var(--amber);
  vertical-align: middle;
}

/* ---------- as quatro fases, como escala graduada ---------- */

.phases {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid rgba(0, 188, 224, .28);
}

.phase {
  position: relative;
  padding: 30px clamp(16px, 2.2vw, 30px) 8px 0;
}
.phase + .phase { border-left: 1px solid rgba(0, 188, 224, .16); padding-left: clamp(16px, 2.2vw, 30px); }

.phase__tick {
  position: absolute;
  top: -1px;
  left: 0;
  width: 40%;
  height: 3px;
  background: var(--azure);
}
.phase + .phase .phase__tick { left: clamp(16px, 2.2vw, 30px); }

.phase__n {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .1em;
}

.phase__name {
  font-family: var(--display);
  font-variation-settings: 'wdth' 108, 'wght' 700;
  font-size: 1.32rem;
  letter-spacing: -.01em;
  margin: 6px 0 10px;
  color: var(--sheet);
}

.phase__text {
  margin: 0 0 16px;
  font-size: .96rem;
  color: var(--muted-light);
}

.phase__mod {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--azure);
  opacity: .82;
}

/* ---------- recibo da evidência ---------- */

.receipt { margin: 4px 0 0; }

.receipt__row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 20px;
  padding: 15px 0;
  border-top: 1px solid var(--sheet-2);
  align-items: baseline;
}
.receipt__row:last-child { border-bottom: 1px solid var(--sheet-2); }

.receipt dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--azure);
}
.receipt dd { margin: 0; font-size: .99rem; color: var(--ink); }

/* ---------- escada de acesso ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: rgba(0, 188, 224, .2);
  box-shadow: 0 0 0 1px rgba(0, 188, 224, .2);
  margin-top: 34px;
}

.step { background: var(--navy); padding: 28px clamp(18px, 2vw, 28px) 30px; }

.step__level {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.step__name {
  font-family: var(--display);
  font-variation-settings: 'wdth' 108, 'wght' 700;
  font-size: 1.18rem;
  margin: 0 0 10px;
  color: var(--sheet);
}

.step__text { margin: 0; font-size: .95rem; color: var(--muted-light); }

.rule {
  margin: 26px 0 0;
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--amber);
}
.rule::before { content: '× '; }

/* ---------- chamada final ---------- */

.cta__what {
  margin: 0 auto 30px;
  max-width: 54ch;
  font-family: var(--mono);
  font-size: .92rem;
  line-height: 1.8;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px rgba(0, 22, 65, .16);
  padding: 16px 20px;
  text-align: left;
}

/* ---------- rodapé ---------- */

.foot { background: var(--navy-deep); color: var(--muted-light); padding: 40px 0; }

.wrap--foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
}
/* Versão do logotipo para fundo escuro: já vem com o texto em branco, então nada de
   brightness(0) invert(1) aqui. Aquele filtro achatava o mascote inteiro numa mancha
   branca sólida, comendo o rosto, os óculos e o recorte do cabelo. */
.foot__logo { width: 140px; height: auto; }
.foot__line { margin: 0; font-size: .9rem; }
.foot__mail { margin-left: auto; font-family: var(--mono); font-size: .86rem; color: var(--cyan); }

/* ---------- revelação em scroll ---------- */

[data-reveal] { opacity: 0; transform: translateY(10px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- responsivo ---------- */

@media (max-width: 940px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .phases { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .phase:nth-child(3) { border-left: 0; padding-left: 0; }
  .phase:nth-child(3) .phase__tick { left: 0; }
  .phase:nth-child(n+3) { border-top: 1px solid rgba(0, 188, 224, .16); margin-top: 24px; padding-top: 30px; }
  .steps { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .topbar { flex-wrap: wrap; }
  .wrap--split { grid-template-columns: minmax(0, 1fr); }
  .anchor::before { display: none; }
  .anchor { opacity: .8; margin-bottom: 12px; }
  .phases { grid-template-columns: minmax(0, 1fr); }
  .phase, .phase + .phase { border-left: 0; padding-left: 0; }
  .phase + .phase { border-top: 1px solid rgba(0, 188, 224, .16); }
  .phase .phase__tick, .phase + .phase .phase__tick { left: 0; width: 56px; }
  .receipt__row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .foot__mail { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .r-line, .readout::after { animation: none; opacity: 1; transform: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
}