/* ================================================================
   BIND — folha de estilo
   Conceito: spec sheet industrial. Preto quente, laranja de obra,
   tipografia expandida + anotações em mono.
   ================================================================ */

:root {
  --laranja: #FC5404;
  --laranja-vivo: #FF6A1F;
  --preto: #0D0C0A;
  --carvao: #161411;
  --carvao-2: #1E1B17;
  --linha: rgba(242, 238, 231, 0.10);
  --linha-forte: rgba(242, 238, 231, 0.18);
  --papel: #F2EEE7;
  --texto: #CFC9BE;
  --texto-suave: #948D80;

  --fonte-display: "Archivo", system-ui, sans-serif;
  --fonte-mono: "IBM Plex Mono", ui-monospace, monospace;

  --t-xs: 0.75rem;
  --t-sm: 0.9375rem;
  --t-md: 1.125rem;
  --t-lg: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem);
  --t-xl: clamp(2.25rem, 1.5rem + 3.2vw, 4rem);
  --t-hero: clamp(2.75rem, 1.4rem + 6.5vw, 7rem);

  --pad-x: clamp(1.25rem, 4vw, 4.5rem);
  --largura-max: 82rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--preto);
  color: var(--texto);
  font-family: var(--fonte-display);
  font-weight: 400;
  font-size: var(--t-md);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--laranja); color: var(--preto); }

a { color: inherit; }

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  background: var(--laranja);
  color: var(--preto);
  padding: 0.75rem 1.25rem;
  font-family: var(--fonte-mono);
  font-size: var(--t-sm);
  text-decoration: none;
}
.skip-link:focus { left: 0; }

.accent { color: var(--laranja); }

/* ---------------- Botões ---------------- */
.btn {
  display: inline-block;
  font-family: var(--fonte-mono);
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.9rem 1.75rem;
  border: 1px solid var(--laranja);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.btn-solid {
  background: var(--laranja);
  color: var(--preto);
}
.btn-solid:hover { background: var(--laranja-vivo); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--laranja);
}
.btn-ghost:hover { background: rgba(252, 84, 4, 0.12); transform: translateY(-2px); }
.btn-lg { padding: 1.15rem 2.5rem; font-size: 1.0625rem; }

/* ---------------- Header ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 12, 10, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linha);
}
.header-inner {
  max-width: var(--largura-max);
  margin: 0 auto;
  padding: 0.9rem var(--pad-x);
  display: flex;
  align-items: center;
  gap: 2rem;
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 1.9rem; width: auto; display: block; }
.site-nav {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
}
.site-nav a {
  font-family: var(--fonte-mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--texto);
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.site-nav a:hover { color: var(--laranja); border-color: var(--laranja); }
.header-cta { padding: 0.55rem 1.1rem; font-size: var(--t-xs); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  min-height: calc(100vh - 4rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--linha);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--linha) 1px, transparent 1px),
    linear-gradient(90deg, var(--linha) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 80% at 30% 40%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 30% 40%, black 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--largura-max);
  width: 100%;
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 8rem) var(--pad-x) 3rem;
}
.eyebrow {
  font-family: var(--fonte-mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--laranja);
  margin-bottom: 2rem;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 2.5rem;
  height: 1px;
  background: var(--laranja);
  vertical-align: middle;
  margin-right: 0.9rem;
}
.hero-title {
  font-size: var(--t-hero);
  font-weight: 800;
  font-stretch: 115%;
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--papel);
  max-width: 14ch;
}
.hero-sub {
  max-width: 44ch;
  margin-top: 2.25rem;
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
  color: var(--texto);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.75rem;
}
.hero-mark {
  position: absolute;
  right: -6%;
  top: 50%;
  transform: translateY(-58%);
  width: clamp(18rem, 38vw, 34rem);
  opacity: 0.07;
  z-index: 1;
  pointer-events: none;
  animation: flutuar 9s ease-in-out infinite;
}
.hero-mark img { width: 100%; height: auto; display: block; }

@keyframes flutuar {
  0%, 100% { transform: translateY(-58%) rotate(0deg); }
  50% { transform: translateY(-54%) rotate(1.5deg); }
}

/* Ticker */
.ticker {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--linha);
  overflow: hidden;
  padding: 1rem 0;
  background: rgba(13, 12, 10, 0.6);
}
.ticker-track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  white-space: nowrap;
  font-family: var(--fonte-mono);
  font-size: var(--t-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--texto-suave);
  animation: rolar 32s linear infinite;
}
.ticker .tick { color: var(--laranja); }
@keyframes rolar {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------------- Cabeçalho de seção ---------------- */
section { padding: clamp(4.5rem, 10vw, 8rem) var(--pad-x); }

.section-head {
  max-width: var(--largura-max);
  margin: 0 auto 3.5rem;
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  border-bottom: 1px solid var(--linha-forte);
  padding-bottom: 1rem;
}
.section-num {
  font-family: var(--fonte-mono);
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--laranja);
}
.section-num::after { content: " /"; color: var(--texto-suave); }
.section-label {
  font-family: var(--fonte-mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--texto-suave);
}

/* ---------------- Manifesto ---------------- */
.manifesto { background: var(--carvao); border-bottom: 1px solid var(--linha); }
.manifesto-inner { max-width: var(--largura-max); margin: 0 auto; }
.manifesto h2 {
  font-size: var(--t-xl);
  font-weight: 800;
  font-stretch: 110%;
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  color: var(--papel);
  max-width: 24ch;
  margin-bottom: 2.5rem;
}
.manifesto-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: 2.5rem;
  max-width: 62rem;
}
.manifesto-cols p { color: var(--texto); }

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1px;
  background: var(--linha-forte);
  border: 1px solid var(--linha-forte);
  margin-top: 4rem;
}
.stat {
  background: var(--carvao);
  padding: 2rem 1.75rem;
}
.stat-value {
  display: block;
  font-family: var(--fonte-mono);
  font-size: clamp(2.25rem, 1.75rem + 2vw, 3.5rem);
  font-weight: 600;
  color: var(--laranja);
  line-height: 1.1;
}
.stat-desc {
  display: block;
  margin-top: 0.6rem;
  font-size: var(--t-sm);
  color: var(--texto-suave);
}
.footnote {
  margin-top: 1.25rem;
  font-family: var(--fonte-mono);
  font-size: var(--t-xs);
  color: var(--texto-suave);
}

/* ---------------- Produtos ---------------- */
.produtos { max-width: none; }
.produto {
  max-width: var(--largura-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 8rem minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--linha);
}
.produto:last-child { border-bottom: none; }

.produto-meta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.produto-index {
  font-family: var(--fonte-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--laranja);
}
.produto-tag {
  font-family: var(--fonte-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--texto-suave);
  writing-mode: vertical-rl;
  border-left: 1px solid var(--linha-forte);
  padding-left: 0.75rem;
}

.produto-body h3 {
  font-size: var(--t-lg);
  font-weight: 800;
  font-stretch: 112%;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--papel);
  margin-bottom: 1.25rem;
}
.produto-lead { font-size: var(--t-md); color: var(--texto); margin-bottom: 1.75rem; }

.badge-validacao {
  display: inline-block;
  vertical-align: middle;
  margin-left: 0.75rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--laranja);
  color: var(--laranja);
  font-family: var(--fonte-mono);
  font-size: 0.65rem;
  font-weight: 600;
  font-stretch: 100%;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  transform: translateY(-0.35em);
}

.produto-list { list-style: none; }
.produto-list li {
  position: relative;
  padding: 0.65rem 0 0.65rem 1.75rem;
  border-bottom: 1px dashed var(--linha);
  font-size: var(--t-sm);
}
.produto-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--laranja);
  font-size: 0.65rem;
  top: 0.95rem;
}
.produto-note {
  margin-top: 1.5rem;
  font-family: var(--fonte-mono);
  font-size: var(--t-xs);
  line-height: 1.7;
  color: var(--texto-suave);
  border-left: 2px solid var(--laranja);
  padding-left: 1rem;
}

/* Fluxo (5 passos do marketplace) */
.fluxo {
  list-style: none;
  counter-reset: passo;
  margin-bottom: 0.5rem;
}
.fluxo li {
  counter-increment: passo;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--linha);
  font-size: var(--t-sm);
}
.fluxo li::before {
  content: "0" counter(passo);
  font-family: var(--fonte-mono);
  font-size: var(--t-xs);
  font-weight: 600;
  color: var(--laranja);
  min-width: 2rem;
}
.fluxo b {
  color: var(--papel);
  font-weight: 600;
  min-width: 8.5rem;
}
.fluxo span { color: var(--texto-suave); }

/* Visual: mock painel (produto 1) */
.produto-visual { align-self: center; }
.mock-panel {
  border: 1px solid var(--linha-forte);
  background: var(--carvao);
  padding: 1.1rem;
  transform: rotate(0.6deg);
  transition: transform 0.35s ease;
}
.produto:hover .mock-panel { transform: rotate(0deg) translateY(-4px); }
.mock-bar { display: flex; gap: 0.4rem; margin-bottom: 1rem; }
.mock-bar i {
  width: 0.55rem; height: 0.55rem;
  border-radius: 50%;
  background: var(--linha-forte);
}
.mock-bar i:first-child { background: var(--laranja); }
.mock-rows { display: flex; flex-direction: column; gap: 0.7rem; }
.mock-row { display: flex; align-items: center; gap: 0.8rem; }
.mock-dot { width: 0.6rem; height: 0.6rem; border-radius: 50%; flex-shrink: 0; }
.mock-dot.ok { background: var(--laranja); }
.mock-dot.warn { background: #E8B931; }
.mock-dot.off { background: var(--linha-forte); }
.mock-line { height: 0.5rem; background: var(--carvao-2); flex-grow: 0; }
.mock-line.w70 { width: 70%; } .mock-line.w62 { width: 62%; }
.mock-line.w58 { width: 58%; } .mock-line.w55 { width: 55%; } .mock-line.w48 { width: 48%; }
.mock-chip {
  margin-left: auto;
  font-family: var(--fonte-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--linha-forte);
  color: var(--texto-suave);
  white-space: nowrap;
}
.mock-chip.alert { border-color: var(--laranja); color: var(--laranja); }

/* Visual: impacto (produto 2) */
.impacto {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--linha-forte);
  border: 1px solid var(--linha-forte);
}
.impacto-item { background: var(--carvao); padding: 1.6rem 1.75rem; }
.impacto-num {
  display: block;
  font-family: var(--fonte-mono);
  font-size: clamp(1.75rem, 1.4rem + 1.4vw, 2.5rem);
  font-weight: 600;
  color: var(--laranja);
  line-height: 1.15;
}
.impacto-num em { font-style: normal; color: var(--texto-suave); }
.impacto-desc {
  display: block;
  margin-top: 0.4rem;
  font-size: var(--t-sm);
  color: var(--texto-suave);
}

/* Botão de demo abaixo da tabela de impacto */
.btn-demo {
  display: block;
  background: var(--laranja);
  color: var(--preto);
  text-align: center;
  text-decoration: none;
  font-family: var(--fonte-mono);
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1.1rem 1rem;
  transition: background 0.2s ease, letter-spacing 0.2s ease;
}
.btn-demo:hover { background: var(--laranja-vivo); letter-spacing: 0.12em; }

/* Visual: viewer 3D (produto 3) */
.viewer-frame {
  border: 1px solid var(--linha-forte);
  background: var(--carvao);
}
.viewer-head, .viewer-foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1rem;
  font-family: var(--fonte-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--texto-suave);
}
.viewer-head { border-bottom: 1px solid var(--linha); }
.viewer-head span:first-child { color: var(--laranja); }
.viewer-foot { border-top: 1px solid var(--linha); }
.viewer-canvas {
  position: relative;
  aspect-ratio: 4 / 3;
  cursor: grab;
  touch-action: pan-y;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 70% 60% at 50% 45%, rgba(252, 84, 4, 0.07), transparent 70%),
    var(--carvao);
}
.viewer-canvas:active { cursor: grabbing; }
.viewer-canvas canvas { display: block; width: 100%; height: 100%; }
.viewer-loading {
  font-family: var(--fonte-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--texto-suave);
  animation: pulsar 1.4s ease-in-out infinite;
}
@keyframes pulsar { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

/* ---------------- G4 Valley ---------------- */
.g4 { background: var(--carvao); border-top: 1px solid var(--linha); }
.g4-inner { max-width: var(--largura-max); margin: 0 auto; }
.g4 h2 {
  font-size: var(--t-xl);
  font-weight: 800;
  font-stretch: 110%;
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  color: var(--papel);
  margin-bottom: 1.25rem;
}
.g4-lead {
  max-width: 52ch;
  color: var(--texto);
  margin-bottom: 3rem;
}
.g4-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(14rem, auto);
  gap: 1rem;
}
.g4-item {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--linha-forte);
  background: var(--carvao-2);
}
.g4-a { grid-column: 1 / 3; grid-row: 1; }
.g4-b { grid-column: 3; grid-row: 1 / 3; }
.g4-c { grid-column: 1 / 2; grid-row: 2; }
.g4-d { grid-column: 2 / 3; grid-row: 2; }
.g4-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.g4-item:hover img { transform: scale(1.03); }
.g4-item figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  padding: 1.5rem 1rem 0.8rem;
  background: linear-gradient(transparent, rgba(13, 12, 10, 0.85));
  font-family: var(--fonte-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--papel);
}
.g4-item figcaption::before {
  content: "◆ ";
  color: var(--laranja);
}

/* ---------------- Equipe ---------------- */
.equipe { background: var(--papel); color: var(--preto); }
.equipe .section-head { border-color: rgba(13, 12, 10, 0.2); }
.equipe .section-label { color: rgba(13, 12, 10, 0.55); }
.equipe .section-num::after { color: rgba(13, 12, 10, 0.4); }
.equipe-title {
  max-width: var(--largura-max);
  margin: 0 auto 3rem;
  font-size: var(--t-xl);
  font-weight: 800;
  font-stretch: 110%;
  text-transform: uppercase;
  letter-spacing: -0.015em;
  line-height: 1.05;
  color: var(--preto);
}
.equipe-grid {
  max-width: var(--largura-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.pessoa { margin: 0; }
.pessoa-foto {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(13, 12, 10, 0.15);
  aspect-ratio: 4 / 5;
}
.pessoa-foto::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 0 solid var(--laranja);
  transition: border-width 0.25s ease;
  pointer-events: none;
}
.pessoa:hover .pessoa-foto::after { border-width: 4px; }
.pessoa-foto img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.35s ease, transform 0.35s ease;
}
.pessoa:hover .pessoa-foto img { filter: grayscale(0); transform: scale(1.03); }
.pessoa figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-top: 0.9rem;
}
.pessoa-nome {
  font-weight: 700;
  font-stretch: 108%;
  font-size: 1.0625rem;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--preto);
}
.pessoa-ref {
  font-family: var(--fonte-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: rgba(13, 12, 10, 0.5);
}

/* ---------------- Contato ---------------- */
.contato { border-top: 1px solid var(--linha); }
.contato-inner {
  max-width: var(--largura-max);
  margin: 0 auto;
  padding: 2rem 0 1rem;
}
.contato h2 {
  font-size: var(--t-xl);
  font-weight: 800;
  font-stretch: 112%;
  line-height: 1.03;
  text-transform: uppercase;
  letter-spacing: -0.015em;
  color: var(--papel);
  margin-bottom: 1.5rem;
}
.contato p {
  max-width: 46ch;
  margin-bottom: 2.5rem;
  color: var(--texto);
}

/* ---------------- Footer ---------------- */
.site-footer {
  border-top: 1px solid var(--linha);
  background: var(--carvao);
  padding: 3rem var(--pad-x);
}
.footer-inner {
  max-width: var(--largura-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.footer-logo { height: 1.6rem; width: auto; align-self: flex-start; }
.footer-tag {
  font-family: var(--fonte-mono);
  font-size: var(--t-sm);
  color: var(--laranja);
}
.footer-legal { font-size: var(--t-xs); font-family: var(--fonte-mono); color: var(--texto-suave); }

/* ---------------- Reveal on scroll ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visivel { opacity: 1; transform: none; }

/* ---------------- Responsivo ---------------- */
@media (max-width: 60rem) {
  .produto { grid-template-columns: 1fr; gap: 2rem; }
  .produto-meta { flex-direction: row; align-items: center; }
  .produto-tag { writing-mode: horizontal-tb; border-left: none; padding-left: 0; }
  .hero-mark { opacity: 0.05; right: -22%; }
}

@media (max-width: 46rem) {
  .site-nav { display: none; }
  .header-inner { justify-content: space-between; }
  .equipe-grid { grid-template-columns: repeat(2, 1fr); }
  .g4-grid { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .g4-a, .g4-b, .g4-c, .g4-d { grid-column: auto; grid-row: auto; }
  .g4-b img, .g4-d img { aspect-ratio: 4 / 5; }
  .g4-a img, .g4-c img { aspect-ratio: 4 / 3; }
}

@media (max-width: 30rem) {
  .equipe-grid { grid-template-columns: 1fr; }
}

/* ---------------- Movimento reduzido ---------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track, .hero-mark { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; }
}