/* ============================================================
   V2G CONSTRUTORA — identidade "planta técnica de canteiro"
   Paleta: concreto claro + tinta azul de projeto + laranja de sinalização
   ============================================================ */

:root {
  --concrete:       #EDEAE3;
  --concrete-dark:  #DDD8CE;
  --ink:            #23262B;
  --ink-soft:       #4A4E55;
  --blueprint:      #1F4E5F;
  --blueprint-light:#3D7A8C;
  --signal:         #E8622C;
  --signal-dark:    #C64F20;
  --rebar:          #8B8C89;
  --white:          #FFFFFF;
  --line:           rgba(35,38,43,0.16);

  --font-display: 'Oswald', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  margin: 0;
  background: var(--concrete);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }

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

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Grade de fundo (marca de planta técnica) ---------- */
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 84px 84px;
  opacity: 0.35;
  mask-image: linear-gradient(to bottom, black, black 60%, transparent 100%);
}

/* Cruzetas nos cantos das seções, como marcas de registro em plantas */
.plate {
  position: relative;
  z-index: 1;
}
.plate::before,
.plate::after {
  content: '+';
  position: absolute;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--rebar);
  opacity: 0.55;
  line-height: 1;
}
.plate::before { top: 22px; left: 14px; }
.plate::after  { top: 22px; right: 14px; }

.plate-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blueprint);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.plate-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--signal);
  display: inline-block;
}

/* ---------- Tipografia ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0 0 0.5em;
  line-height: 1.12;
}
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
p  { color: var(--ink-soft); margin: 0 0 1em; }
.lede { font-size: 1.15rem; max-width: 60ch; }

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 26px;
  border: 1px solid var(--ink);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
  cursor: pointer;
  background: transparent;
}
.btn-ink { background: var(--ink); color: var(--concrete); border-color: var(--ink); }
.btn-ink:hover { background: transparent; color: var(--ink); }
.btn-signal { background: var(--signal); color: var(--white); border-color: var(--signal); }
.btn-signal:hover { background: var(--signal-dark); border-color: var(--signal-dark); transform: translateY(-1px); }
.btn-outline { border-color: var(--ink); color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: var(--concrete); }

/* ---------- Cabeçalho ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(237,234,227,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  display: flex;
  align-items: center;
}
.brand-logo {
  height: 19px;
  width: auto;
  display: block;
}
.footer-brand .brand-logo { height: 22px; }

.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav ul { display: flex; gap: 28px; }
.site-nav a {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 4px;
}
.site-nav a.is-active,
.site-nav a:hover { color: var(--ink); }
.site-nav a.is-active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--signal);
}
.header-cta { padding: 10px 18px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); display: block; }

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 64px;
  position: relative;
  z-index: 1;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: end;
}
.hero h1 { margin-bottom: 22px; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

.hero-panel {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 26px;
  position: relative;
}
.hero-panel-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--rebar);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}
.hero-panel-value {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--blueprint);
  line-height: 1;
}
.hero-panel-desc { font-size: 0.9rem; margin-top: 8px; margin-bottom: 0; }

/* Barra de cotas (dimension line) com os números-chave */
.dims {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  margin-top: 56px;
}
.dims-item {
  padding: 18px 20px;
  border-left: 1px solid var(--line);
  position: relative;
}
.dims-item:first-child { border-left: none; }
.dims-item::before {
  content: '↕';
  position: absolute;
  top: -11px;
  left: 20px;
  background: var(--concrete);
  padding: 0 6px;
  font-size: 12px;
  color: var(--signal);
}
.dims-num {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  color: var(--ink);
  display: block;
}
.dims-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--rebar);
}

/* ---------- Seções genéricas ---------- */
section { padding: 80px 0; position: relative; z-index: 1; }
.section-alt { background: var(--concrete-dark); }

/* ---------- Cards de serviço ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-card {
  background: var(--concrete);
  padding: 32px 26px;
  transition: background 0.15s ease;
  min-width: 0;
}
.section-alt .service-card { background: var(--concrete-dark); }
.service-card:hover { background: var(--white); }
.service-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  margin: -32px -26px 22px;
  border-bottom: 1px solid var(--line);
}
.service-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.service-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--white);
  background: var(--blueprint);
  padding: 3px 9px;
  display: inline-block;
  margin-bottom: 18px;
  letter-spacing: 0.08em;
}
.service-card p { font-size: 0.95rem; margin-bottom: 14px; }
.service-link { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; color: var(--signal); letter-spacing: 0.06em; }

/* ---------- Processo (numeração justificada: é uma sequência real) ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step { position: relative; padding-top: 8px; border-top: 2px solid var(--ink); }
.process-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal);
  display: block;
  margin-bottom: 10px;
}
.process-step h3 { margin-bottom: 8px; }
.process-step p { font-size: 0.92rem; }

/* ---------- Projetos ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 28px;
}
.project-card {
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-width: 100%;
}
.project-thumb {
  aspect-ratio: 4/3;
  background:
    repeating-linear-gradient(135deg, var(--blueprint) 0 2px, transparent 2px 14px),
    var(--blueprint-light);
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 16px;
  overflow: hidden;
}
.project-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.project-thumb span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--white);
  background: rgba(35,38,43,0.55);
  padding: 4px 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}
.project-card-link { cursor: pointer; }
.project-card-link:hover .project-thumb img { transform: scale(1.04); }
.project-thumb img { transition: transform 0.3s ease; }
.project-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.project-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--rebar);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.project-status {
  color: var(--blueprint);
}

/* ---------- Galeria de fotos do projeto ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--concrete-dark);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item-cover {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: auto;
}
@media (max-width: 720px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item-cover { grid-column: span 2; grid-row: span 1; aspect-ratio: 16/9; }
}

/* ---------- Filtros de projeto ---------- */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 9px 16px;
  border: 1px solid var(--ink);
  background: transparent;
  cursor: pointer;
}
.filter-btn.is-active, .filter-btn:hover { background: var(--ink); color: var(--concrete); }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--ink);
  color: var(--concrete);
  padding: 64px 0;
  text-align: center;
}
.cta-banner h2 { color: var(--white); }
.cta-banner p { color: var(--concrete-dark); }

/* ---------- Sobre / valores ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.value-card { border-left: 2px solid var(--signal); padding-left: 18px; }

.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-visual {
  aspect-ratio: 1/1;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    var(--white);
  background-size: 28px 28px;
  border: 1px solid var(--ink);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-visual-mark {
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--blueprint);
  opacity: 0.85;
}
.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Timeline ---------- */
.timeline { border-left: 1px solid var(--ink); margin-left: 6px; }
.timeline-item { position: relative; padding: 0 0 36px 32px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -6px; top: 4px;
  width: 11px; height: 11px;
  background: var(--signal);
  border: 2px solid var(--concrete);
}
.timeline-year { font-family: var(--font-mono); color: var(--blueprint); font-size: 0.9rem; }

/* ---------- Formulário de contato ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--ink);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-hp { position: absolute; left: -9999px; }

.alert {
  padding: 16px 18px;
  border-left: 3px solid var(--blueprint);
  background: var(--white);
  margin-bottom: 26px;
  font-size: 0.92rem;
}
.alert-success { border-color: #2E7D4F; }
.alert-error { border-color: var(--signal); }

.contact-info-list { margin-top: 8px; }
.contact-info-list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-info-list li:first-child { padding-top: 0; }
.contact-info-item-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--rebar);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 4px;
}

/* ---------- Rodapé ---------- */
.site-footer { background: var(--ink); color: var(--concrete-dark); position: relative; z-index: 1; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 48px;
  padding: 64px 0 40px;
}
.brand-mark-footer { color: var(--concrete); }
.footer-brand p { color: var(--rebar); font-size: 0.92rem; margin-top: 16px; }
.footer-social { display: flex; gap: 16px; margin-top: 18px; }
.footer-social a { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; color: var(--concrete-dark); border-bottom: 1px solid var(--rebar); padding-bottom: 2px; }
.footer-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal);
  display: block;
  margin-bottom: 16px;
}
.footer-list li { margin-bottom: 10px; font-size: 0.92rem; color: var(--concrete-dark); }
.footer-list a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(237,234,227,0.14);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--rebar);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
  .hero-grid, .about-split, .contact-grid { grid-template-columns: 1fr; }
  .dims { grid-template-columns: repeat(2, 1fr); }
  .dims-item:nth-child(3) { border-left: none; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--concrete);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 28px 28px;
    display: none;
    gap: 20px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav ul { flex-direction: column; gap: 16px; }
  .form-row, .process { grid-template-columns: 1fr; }
}