/* =============================================
   Manolo, Sections (V3)
   Header, Hero, Prova, Serviços, Processo, Obras,
   Equipe, Bloco escuro, Orçamento, Footer.
   ============================================= */

/* ---- HEADER ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--t-base), border-color var(--t-base),
              backdrop-filter var(--t-base);
}

/* Estado scrolled (toggled via JS): vira sólido canvas */
.site-header[data-scrolled="true"] {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--hairline);
}

/* Sobre o hero, a marca usa a variação negativa sem suporte branco. */
.site-header:not([data-scrolled="true"]) .site-header__logo {
  background: transparent;
  box-shadow: none;
}
.site-header:not([data-scrolled="true"]) .site-nav a {
  color: rgba(255, 255, 255, 0.85);
}
.site-header:not([data-scrolled="true"]) .site-nav a:hover {
  color: var(--canvas);
}
.site-header:not([data-scrolled="true"]) .site-nav a::after {
  background: var(--canvas);
}
.site-header:not([data-scrolled="true"]) .site-nav a.is-active {
  color: var(--canvas);
}
.site-header:not([data-scrolled="true"]) .site-header__cta {
  background: rgba(255, 255, 255, 0.12);
  color: var(--canvas);
  border: 1px solid rgba(255, 255, 255, 0.28);
}
.site-header:not([data-scrolled="true"]) .site-header__cta:hover {
  background: var(--canvas);
  color: var(--ink);
  border-color: var(--canvas);
}
.site-header:not([data-scrolled="true"]) .site-header__toggle {
  color: var(--canvas);
  border-color: rgba(255, 255, 255, 0.28);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-24);
  height: 64px;
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  width: 154px;
  min-height: 0;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.site-header__logo--on-dark {
  width: 132px;
  min-height: 0;
  padding: 0;
  background: transparent;
}

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

.logo-img--negative {
  display: none;
}

.site-header:not([data-scrolled="true"]) .logo-img--color {
  display: none;
}

.site-header:not([data-scrolled="true"]) .logo-img--negative {
  display: block;
}

.site-nav ul {
  display: flex;
  gap: var(--space-32);
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--fs-body-sm);
  font-weight: 700;
  color: var(--body);
  padding: 16px 0;
  letter-spacing: 0.005em;
  transition: color var(--t-fast), transform var(--t-fast);
}

.site-nav a::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.site-nav a::after {
  left: 0;
  right: 0;
  bottom: 9px;
  height: 1px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 260ms var(--ease-technical), opacity var(--t-fast);
  opacity: 0.85;
}

.site-nav a:hover {
  color: var(--blue);
  transform: translateY(-1px);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.site-nav a.is-active {
  color: var(--blue);
}

.site-nav a:focus-visible {
  outline-offset: 6px;
}

.site-header__cta {
  flex-shrink: 0;
}

.site-header__toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--ink);
}

.mobile-nav {
  display: block;
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: var(--space-16) var(--container-pad-mobile) var(--space-24);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-8px);
  transition:
    max-height 320ms var(--ease-out),
    opacity 220ms ease,
    transform 320ms var(--ease-out);
  pointer-events: none;
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav[data-open="true"] {
  max-height: 360px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.mobile-nav a {
  display: block;
  padding: var(--space-12) 0;
  border-bottom: 1px solid var(--hairline-soft);
  font-weight: 500;
  min-height: 44px;
  transition: color var(--t-fast), transform var(--t-fast);
}

.mobile-nav a:hover {
  color: var(--blue);
  transform: translateX(2px);
}

.mobile-nav__cta {
  width: 100%;
  margin-top: var(--space-12);
}


/* =============================================
   02, HERO, Statement screen com foto + overlay
   Estrutura: 90vh, obra metálica em background, overlay azul Manolo,
   scroll-cue inferior. Reveal por palavra no H1.
   ============================================= */
.hero {
  position: relative;
  isolation: isolate;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: var(--space-96) 0 var(--space-64);
  background-color: var(--blue-deep);
  background-image: url("../img/hero-bg-v3.webp");
  background-size: cover;
  background-position: center 48%;
  background-repeat: no-repeat;
  color: var(--canvas);
  overflow: hidden;
}

/* Overlay em camadas:
   1. Gradient horizontal protege o texto na área esquerda.
   2. Vinheta vertical controla céu e chão sem esconder a estrutura. */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(10, 36, 76, 0.96) 0%,
      rgba(10, 36, 76, 0.90) 34%,
      rgba(10, 36, 76, 0.58) 58%,
      rgba(10, 36, 76, 0.24) 78%,
      rgba(10, 36, 76, 0.18) 100%
    ),
    linear-gradient(
      180deg,
      rgba(10, 36, 76, 0.18) 0%,
      transparent 32%,
      transparent 68%,
      rgba(10, 36, 76, 0.66) 100%
    );
  z-index: -1;
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-24);
  max-width: 760px;
}

.hero__title {
  font-size: clamp(44px, 5.1vw, 68px);
  font-weight: 800;
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
  color: var(--canvas);
  margin: 0;
  max-width: 18ch;
  text-align: left;
  align-self: flex-start;
}

/* Reveal por linha, com quebra editorial controlada no H1. */
.hero__title-line {
  display: block;
  opacity: 0;
  text-wrap: balance;
  transform: translate3d(0, 14px, 0);
  animation: heroWordReveal 760ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero__title-line:nth-child(1) { animation-delay: 120ms; }
.hero__title-line:nth-child(2) { animation-delay: 220ms; }
.hero__title-line:nth-child(3) { animation-delay: 320ms; }

@keyframes heroWordReveal {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes heroContentIn {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.hero__sub {
  font-size: clamp(17px, 1.4vw, 20px);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.55;
  max-width: 56ch;
  margin: 0;
  opacity: 0;
  transform: translate3d(0, 10px, 0);
  animation: heroContentIn 760ms var(--ease-out) 560ms forwards;
}

.hero__ctas {
  display: flex;
  gap: var(--space-24);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--space-16);
  opacity: 0;
  transform: translate3d(0, 10px, 0);
  animation: heroContentIn 760ms var(--ease-out) 680ms forwards;
}

.hero__proof {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12) var(--space-24);
  max-width: 680px;
  margin: var(--space-8) 0 0;
  padding: var(--space-24) 0 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  opacity: 0;
  transform: translate3d(0, 10px, 0);
  animation: heroContentIn 760ms var(--ease-out) 820ms forwards;
}

.hero__proof li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: var(--ls-mono);
  color: rgba(255, 255, 255, 0.78);
  text-transform: uppercase;
}

.hero__proof li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--yellow);
  flex: 0 0 auto;
}

.hero__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  font-family: var(--font-primary);
  font-size: var(--fs-cta);
  font-weight: 700;
  letter-spacing: 0.005em;
  color: var(--canvas);
  height: 44px;
  padding: 0 var(--space-8);
  text-decoration: none;
  transition: color var(--t-fast), gap var(--t-fast);
  position: relative;
}
.hero__link::after {
  content: "";
  position: absolute;
  left: var(--space-8);
  right: 36px;
  bottom: 8px;
  height: 1px;
  background: rgba(255, 255, 255, 0.4);
  transform-origin: left;
  transition: background-color var(--t-fast);
}
.hero__link:hover {
  color: var(--yellow);
  gap: var(--space-12);
}
.hero__link:hover::after {
  background: var(--yellow);
}
.hero__link:focus-visible {
  outline: 2px solid var(--canvas);
  outline-offset: 2px;
}

/* ---- Scroll-cue inferior ---- */
.hero__scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  text-decoration: none;
  z-index: 2;
  opacity: 0;
  animation: heroContentIn 760ms var(--ease-out) 980ms forwards;
  transition: color var(--t-fast);
}

.hero__scroll-cue:hover {
  color: var(--yellow);
}

.hero__scroll-cue .icon {
  animation: heroBob 2.4s ease-in-out infinite;
}

@keyframes heroBob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__title-line,
  .hero__sub,
  .hero__ctas,
  .hero__proof,
  .hero__scroll-cue {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
  .hero__scroll-cue .icon {
    animation: none;
  }
}

/* =============================================
   03, PROVA TÉCNICA, 3 selos verdadeiros
   ============================================= */
.prova {
  background: var(--surface-soft);
  padding: var(--space-80) 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.prova__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-left: 1px solid var(--hairline);
}

.proof-cell {
  padding: var(--space-32) var(--space-32);
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  border-right: 1px solid var(--hairline);
}

.proof-cell__icon {
  color: var(--blue);
  margin-bottom: var(--space-8);
}

.proof-cell__spec {
  font-family: var(--font-mono);
  font-size: var(--fs-spec);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  margin: 0;
}

.proof-cell__body {
  font-size: var(--fs-body);
  color: var(--body);
  line-height: var(--lh-body);
  margin: 0;
}


/* =============================================
   04, SERVIÇOS, 3 cards + 1 card-link
   ============================================= */
.servicos {
  padding: var(--space-96) 0;
}

.servicos__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline);
  border-left: 1px solid var(--hairline);
}


/* =============================================
   05, PROCESSO, 4 etapas
   ============================================= */
.processo {
  background: var(--surface-soft);
  padding: var(--space-96) 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.processo__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  border-top: 1px solid var(--hairline);
  border-left: 1px solid var(--hairline);
}

/* Reveal por scroll — entra uma vez quando o trilho aparece no viewport.
   Propósito: reforçar a leitura sequencial 01→02→03→04 do processo. */
.processo__steps .process-step {
  opacity: 0;
  transform: translate3d(0, 12px, 0);
  transition: opacity 620ms var(--ease-out),
              transform 760ms var(--ease-out),
              background-color var(--t-fast),
              border-color var(--t-fast);
}

.processo__steps.is-revealed .process-step {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.processo__steps.is-revealed .process-step:nth-child(1) { transition-delay: 0ms; }
.processo__steps.is-revealed .process-step:nth-child(2) { transition-delay: 70ms; }
.processo__steps.is-revealed .process-step:nth-child(3) { transition-delay: 140ms; }
.processo__steps.is-revealed .process-step:nth-child(4) { transition-delay: 210ms; }

@media (prefers-reduced-motion: reduce) {
  .processo__steps .process-step {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


/* =============================================
   07, EQUIPE, 4 cards (sócios + engenheiro)
   ============================================= */
.equipe {
  background: var(--surface-soft);
  padding: var(--space-96) 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.equipe__carousel {
  position: relative;
}

.equipe__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-24);
}

/* Botões de carrossel — escondidos no desktop largo (grid mode) */
.equipe__carousel-controls {
  display: none;
}

.carousel-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--hairline);
  background: var(--canvas);
  color: var(--ink);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease, opacity 120ms ease;
}

.carousel-btn:hover {
  background: var(--surface-soft);
  border-color: var(--steel);
}

.carousel-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}


/* =============================================
   08, BLOCO ESCURO, CTA WhatsApp em amarelo
   ============================================= */
.autoridade {
  background: var(--blue);
  color: var(--on-primary);
  padding: var(--space-96) 0;
  position: relative;
  overflow: hidden;
}

.autoridade__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-24);
  max-width: 720px;
  margin: 0 auto;
}

.autoridade__title {
  font-size: var(--fs-display-lg);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--canvas);
  margin: 0;
}

.autoridade__sub {
  font-size: var(--fs-body-lg);
  color: var(--canvas);
  opacity: 0.85;
  line-height: 1.55;
  max-width: 56ch;
  margin: 0;
}

.autoridade__ctas {
  display: flex;
  gap: var(--space-24);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

.autoridade__alt-link {
  font-size: var(--fs-body-sm);
  color: var(--canvas);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.5);
  text-underline-offset: 4px;
  transition: text-decoration-color var(--t-fast);
}

.autoridade__alt-link:hover {
  text-decoration-color: var(--canvas);
}


/* =============================================
   09, ORÇAMENTO, form alternativo
   ============================================= */
.orcamento {
  padding: var(--space-96) 0;
  background: var(--canvas);
}

.orcamento__grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-80);
  align-items: start;
  padding-top: var(--space-48);
}

/* ---- Copy lateral ---- */
.orcamento__copy {
  position: sticky;
  top: var(--space-96);
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.orcamento__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.orcamento__lead {
  font-size: var(--fs-body-lg);
  color: var(--body);
  line-height: 1.55;
  margin: 0;
  max-width: 38ch;
}

.orcamento__bullets {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  margin-top: var(--space-8);
  padding-top: var(--space-24);
  border-top: 1px solid var(--hairline);
}

.orcamento__bullets li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-12);
  font-size: var(--fs-body);
  color: var(--body);
  line-height: 1.5;
}

.orcamento__bullets .icon {
  color: var(--blue);
  margin-top: 4px;
  flex-shrink: 0;
}

.orcamento__bullets .icon--verified {
  color: var(--yellow);
}

/* ---- Form, grid 2-col, sem card, Carbon puro, compacto ---- */
.orcamento__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-24) var(--space-32);
  align-items: start;
}

.orcamento__form .field--full {
  grid-column: 1 / -1;
}

/* Trio de dimensões (largura, comprimento, altura) numa linha */
.dimensoes-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-24) var(--space-32);
  align-items: start;
  margin-top: var(--space-32);
}

/* Mensagem, respiro extra acima pra separar do trio de dimensões */
.field--mensagem {
  margin-top: var(--space-16);
}

.form-submit {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-8);
}

.form-submit .btn {
  min-width: 200px;
}


/* =============================================
   10, FOOTER
   ============================================= */
.site-footer {
  background: var(--ink);
  color: var(--muted-soft);
  padding: var(--space-48) 0 var(--space-32);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-48);
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.site-footer__claim {
  font-size: var(--fs-body-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.55;
  margin: 0;
  margin-top: var(--space-8);
}

.site-footer__cnpj {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  color: var(--muted-soft);
  margin: 0;
}

.site-footer__col h4 {
  margin-bottom: var(--space-16);
  display: inline-block;
}

.site-footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.site-footer__col a {
  font-size: var(--fs-body-sm);
  color: var(--muted-soft);
  transition: color var(--t-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  min-height: 32px;
}
.site-footer__col a:hover {
  color: var(--canvas);
}

.site-footer__seal-text {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  color: var(--muted-soft);
  line-height: 1.6;
  margin: 0;
}

.site-footer__bottom {
  margin-top: var(--space-48);
  padding-top: var(--space-24);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--fs-small);
  color: var(--muted-soft);
}


/* =============================================
   SKIP LINK, acessibilidade
   ============================================= */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--blue);
  color: var(--canvas);
  padding: 8px 16px;
  z-index: var(--z-toast);
  font-weight: 700;
  text-decoration: none;
  transition: top var(--t-fast);
}

.skip-link:focus {
  top: 0;
}