/* ==========================================================================
   VIVER COM SEGURANÇA — ILUMINAÇÃO LED ARQUITETURAL & CORPORATIVA
   Design System Editorial / Industrial (Zero-AI-Slop Standards)
   ========================================================================== */

:root {
  /* Paleta Sólida Arquitetônica (Sem Gradientes, Sem #FFFFFF Puro) */
  --bg-obsidian: #0C0E12;
  --bg-graphite: #13161C;
  --bg-graphite-elevated: #1A1E26;
  --bg-stone: #F4F5F7;
  --bg-stone-alt: #EAECEF;

  /* Textos */
  --text-light: #F1F3F5;
  --text-muted-dark: #9BA3B0;
  --text-dim-dark: #6E7785;
  --text-dark: #111418;
  --text-muted-light: #4A525D;

  /* Acentos Sólidos: Luz Quente 3000K (Âmbar Técnico) & Verde Funcional WhatsApp */
  --amber-led: #D99B26;
  --amber-led-hover: #E5A93C;
  --amber-led-dark: #9E6D0E;
  --wpp-green: #1F8A4C;
  --wpp-green-hover: #249E57;

  /* Bordas Técnicas 1px */
  --border-dark: #232832;
  --border-dark-strong: #323946;
  --border-light: #D5DBE3;
  --border-light-strong: #B8C1CE;

  /* Tipografia Autêntica */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;

  /* Métricas e Layout */
  --container-max: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
  --section-py: clamp(72px, 9vw, 128px);
  --radius-sm: 4px;
  --radius-md: 6px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-obsidian);
  color: var(--text-light);
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  background-color: var(--bg-obsidian);
  color: var(--text-light);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   CONTAINERS & SEÇÕES
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: var(--section-py) 0;
  border-bottom: 1px solid var(--border-dark);
}

.section--dark {
  background-color: var(--bg-obsidian);
  color: var(--text-light);
}

.section--graphite {
  background-color: var(--bg-graphite);
  color: var(--text-light);
}

.section--stone {
  background-color: var(--bg-stone);
  color: var(--text-dark);
  border-bottom: 1px solid var(--border-light);
}

.section--stone-alt {
  background-color: var(--bg-stone-alt);
  color: var(--text-dark);
  border-bottom: 1px solid var(--border-light);
}

/* ==========================================================================
   TIPOGRAFIA EDITORIAL & RÓTULOS NUMERADOS
   ========================================================================== */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--amber-led);
  margin-bottom: 16px;
}

.section--stone .eyebrow,
.section--stone-alt .eyebrow {
  color: var(--amber-led-dark);
}

.eyebrow__num {
  font-weight: 700;
  padding-right: 4px;
}

.h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.4vw, 3.85rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.025em;
}

.h3 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.45rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.tone-amber {
  color: var(--amber-led);
}

.section--stone .tone-amber,
.section--stone-alt .tone-amber {
  color: var(--amber-led-dark);
}

.tone-muted {
  color: var(--text-muted-dark);
}

.section--stone .tone-muted,
.section--stone-alt .tone-muted {
  color: var(--text-muted-light);
}

.lead {
  font-size: clamp(1.05rem, 1.35vw, 1.22rem);
  line-height: 1.65;
  color: var(--text-muted-dark);
  max-width: 64ch;
}

.section--stone .lead,
.section--stone-alt .lead {
  color: var(--text-muted-light);
}

/* ==========================================================================
   HEADER E NAVEGAÇÃO
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-obsidian);
  border-bottom: 1px solid var(--border-dark);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand__logo {
  height: 38px;
  width: auto;
  display: block;
}

/* ==========================================================================
   HERO FULL-BLEED ESTILO ARQUITETURAL & MOSAICO DE OBRAS
   ========================================================================== */

.hero--full {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - 76px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 96px 0 136px;
  color: var(--text-light);
  overflow: hidden;
  border-bottom: 1px solid var(--border-dark);
}

.hero--full__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero--full__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero--full__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(11, 13, 17, 0.72);
}

.hero--full__content {
  max-width: 880px;
}

.hero--full .h1 {
  font-size: clamp(2.6rem, 5.4vw, 4.85rem);
  line-height: 1.03;
  letter-spacing: -0.04em;
}

.hero__tags-inline {
  margin-top: 24px;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.3vw, 1.18rem);
  font-weight: 500;
  color: #E2E6EC;
}

.hero__tags-inline i {
  font-style: normal;
  color: var(--amber-led);
  margin: 0 10px;
}

.hero__base {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 28px;
}

.hero__base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: var(--bg-stone);
  color: var(--text-dark);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  font-weight: 600;
}

.hero__badge strong {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--amber-led-dark);
}

.hero__base-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
  padding-bottom: 8px;
}

.hero__base-link:hover {
  color: var(--amber-led);
  border-bottom-color: var(--amber-led);
}

/* Mosaico Editorial 12 Colunas */
.mosaico {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: clamp(190px, 19vw, 290px);
  gap: 14px;
}

.mosaico__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: var(--bg-graphite);
  color: var(--text-light);
  border: 1px solid var(--border-light-strong);
}

.mosaico__item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.mosaico__item:hover img {
  transform: scale(1.03);
}

.mosaico__caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 1;
  background-color: rgba(12, 14, 18, 0.88);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--amber-led);
}

.mosaico__caption small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-led);
  margin-bottom: 3px;
}

.mosaico__caption strong {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-light);
}

.m-a { grid-column: span 7; grid-row: span 2; }
.m-b { grid-column: span 5; grid-row: span 2; }
.m-c, .m-d, .m-e { grid-column: span 4; }

/* Faixa Foto Arquitetural */
.photo-banner {
  position: relative;
  isolation: isolate;
  min-height: clamp(380px, 60vh, 620px);
  display: flex;
  align-items: flex-end;
  color: var(--text-light);
  overflow: hidden;
  border-bottom: 1px solid var(--border-dark);
}

.photo-banner > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.photo-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-color: rgba(12, 14, 18, 0.68);
}

.photo-banner__inner {
  width: 100%;
  padding: 48px var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

@media (max-width: 900px) {
  .mosaico {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 240px;
  }
  .m-a, .m-b, .m-e { grid-column: span 2; grid-row: span 1; }
  .m-c, .m-d { grid-column: span 1; }
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  color: var(--text-light);
  line-height: 1.1;
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber-led);
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav__link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted-dark);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.main-nav__link:hover,
.main-nav__link--active {
  color: var(--text-light);
  border-bottom-color: var(--amber-led);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-dark-strong);
  color: var(--text-light);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
}

/* ==========================================================================
   BOTÕES E LINKS TÉCNICOS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}

.btn--wpp {
  background-color: var(--wpp-green);
  color: var(--text-light);
}

.btn--wpp:hover {
  background-color: var(--wpp-green-hover);
}

.btn--amber {
  background-color: var(--amber-led);
  color: var(--bg-obsidian);
}

.btn--amber:hover {
  background-color: var(--amber-led-hover);
}

.btn--outline-light {
  background-color: transparent;
  border-color: var(--border-dark-strong);
  color: var(--text-light);
}

.btn--outline-light:hover {
  border-color: var(--amber-led);
  color: var(--amber-led);
}

.btn--outline-dark {
  background-color: transparent;
  border-color: var(--border-light-strong);
  color: var(--text-dark);
}

.btn--outline-dark:hover {
  border-color: var(--text-dark);
  background-color: var(--bg-stone-alt);
}

.btn--sm {
  padding: 9px 16px;
  font-size: 0.84rem;
}

.btn--full {
  width: 100%;
}

.btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--amber-led);
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
}

.section--stone .link-arrow,
.section--stone-alt .link-arrow {
  color: var(--text-dark);
}

.link-arrow:hover {
  color: var(--amber-led-hover);
}

.section--stone .link-arrow:hover,
.section--stone-alt .link-arrow:hover {
  color: var(--amber-led-dark);
}

/* ==========================================================================
   HERO PRINCIPAL & HERO DE PÁGINAS INTERNAS
   ========================================================================== */

.hero {
  position: relative;
  padding: clamp(64px, 8vw, 112px) 0;
  background-color: var(--bg-obsidian);
  border-bottom: 1px solid var(--border-dark);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--border-dark);
}

.metric-item__val {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  font-weight: 700;
  color: var(--amber-led);
  line-height: 1.1;
}

.metric-item__label {
  font-size: 0.84rem;
  color: var(--text-muted-dark);
  margin-top: 6px;
}

.hero__media {
  position: relative;
  border: 1px solid var(--border-dark-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-graphite);
}

.hero__media img {
  width: 100%;
  height: 520px;
  object-fit: cover;
}

.hero__caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background-color: var(--bg-graphite);
  border-top: 1px solid var(--border-dark);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted-dark);
}

.page-hero {
  padding: clamp(56px, 7vw, 92px) 0;
  background-color: var(--bg-obsidian);
  border-bottom: 1px solid var(--border-dark);
}

.page-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 6px 12px;
  border: 1px solid var(--border-dark-strong);
  background-color: var(--bg-graphite);
  color: var(--text-muted-dark);
  border-radius: var(--radius-sm);
}

.section--stone .tech-tag,
.section--stone-alt .tech-tag {
  background-color: var(--bg-stone-alt);
  border-color: var(--border-light-strong);
  color: var(--text-muted-light);
}

/* ==========================================================================
   CABEÇALHOS DE SEÇÃO E RODAPÉS TÉCNICOS
   ========================================================================== */

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.section-head__left {
  max-width: 680px;
}

.section-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-dark);
  font-size: 0.94rem;
  color: var(--text-muted-dark);
}

.section--stone .section-foot,
.section--stone-alt .section-foot {
  border-top-color: var(--border-light);
  color: var(--text-muted-light);
}

/* ==========================================================================
   GRIDS EDITORIAIS & ASSIMÉTRICOS (SEM 3 CARDS GENÉRICOS IGUAIS)
   ========================================================================== */

.split-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.split-feature--reverse .split-feature__media {
  order: -1;
}

.split-feature__media {
  border: 1px solid var(--border-dark-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-graphite);
}

.section--stone .split-feature__media,
.section--stone-alt .split-feature__media {
  border-color: var(--border-light-strong);
}

.split-feature__media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

/* Matriz de Etapas / Processo em 4 colunas com bordas técnicas */
.process-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border-dark-strong);
  border-radius: var(--radius-md);
  background-color: var(--bg-graphite);
  overflow: hidden;
}

.section--stone .process-matrix,
.section--stone-alt .process-matrix {
  border-color: var(--border-light-strong);
  background-color: var(--bg-stone);
}

.process-cell {
  padding: 28px 24px;
  border-right: 1px solid var(--border-dark-strong);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.section--stone .process-cell,
.section--stone-alt .process-cell {
  border-right-color: var(--border-light-strong);
}

.process-cell:last-child {
  border-right: none;
}

.process-cell__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--amber-led);
  margin-bottom: 18px;
  display: block;
}

.section--stone .process-cell__num,
.section--stone-alt .process-cell__num {
  color: var(--amber-led-dark);
}

.process-cell__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-cell__desc {
  font-size: 0.92rem;
  color: var(--text-muted-dark);
  line-height: 1.55;
}

.section--stone .process-cell__desc,
.section--stone-alt .process-cell__desc {
  color: var(--text-muted-light);
}

/* Lista Editorial de Soluções B2B /Produtos (Linhas Horizontais Técnicas) */
.editorial-rows {
  border-top: 1px solid var(--border-dark-strong);
}

.section--stone .editorial-rows,
.section--stone-alt .editorial-rows {
  border-top-color: var(--border-light-strong);
}

.editorial-row {
  display: grid;
  grid-template-columns: 90px 1.1fr 1.4fr auto;
  gap: 24px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-dark-strong);
  transition: background-color 0.18s ease;
}

.section--stone .editorial-row,
.section--stone-alt .editorial-row {
  border-bottom-color: var(--border-light-strong);
}

.editorial-row__idx {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--amber-led);
}

.section--stone .editorial-row__idx,
.section--stone-alt .editorial-row__idx {
  color: var(--amber-led-dark);
}

.editorial-row__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

.editorial-row__desc {
  font-size: 0.95rem;
  color: var(--text-muted-dark);
}

.section--stone .editorial-row__desc,
.section--stone-alt .editorial-row__desc {
  color: var(--text-muted-light);
}

/* ==========================================================================
   GALERIA ASSIMÉTRICA DE PROJETOS E CATÁLOGO DE PRODUTOS
   ========================================================================== */

.showcase-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 24px;
}

.showcase-grid--alt {
  grid-template-columns: 0.7fr 1.3fr;
}

.showcase-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-dark-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-graphite);
}

.section--stone .showcase-card,
.section--stone-alt .showcase-card {
  border-color: var(--border-light-strong);
  background-color: var(--bg-stone);
}

.showcase-card__img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-dark);
}

.section--stone .showcase-card__img,
.section--stone-alt .showcase-card__img {
  border-bottom-color: var(--border-light);
}

.showcase-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
  gap: 16px;
}

.showcase-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber-led);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.section--stone .showcase-card__meta,
.section--stone-alt .showcase-card__meta {
  color: var(--amber-led-dark);
}

.showcase-card__desc {
  font-size: 0.92rem;
  color: var(--text-muted-dark);
  margin-top: 8px;
}

.section--stone .showcase-card__desc,
.section--stone-alt .showcase-card__desc {
  color: var(--text-muted-light);
}

/* ==========================================================================
   CATÁLOGO DE PRODUTOS (BLOCOS DETALHADOS COM TABELA DE ESPECIFICAÇÃO)
   ========================================================================== */

.product-block {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(28px, 4vw, 56px);
  padding: clamp(40px, 5vw, 64px) 0;
  border-bottom: 1px solid var(--border-dark-strong);
  align-items: start;
}

.section--stone .product-block,
.section--stone-alt .product-block {
  border-bottom-color: var(--border-light-strong);
}

.product-block:last-child {
  border-bottom: none;
}

.product-block__media {
  border: 1px solid var(--border-dark-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-graphite);
}

.section--stone .product-block__media,
.section--stone-alt .product-block__media {
  border-color: var(--border-light-strong);
}

.product-block__media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.spec-list {
  margin: 24px 0;
  border-top: 1px solid var(--border-dark-strong);
}

.section--stone .spec-list,
.section--stone-alt .spec-list {
  border-top-color: var(--border-light-strong);
}

.spec-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-dark);
  font-size: 0.9rem;
}

.section--stone .spec-row,
.section--stone-alt .spec-row {
  border-bottom-color: var(--border-light);
}

.spec-row__key {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted-dark);
  text-transform: uppercase;
}

.section--stone .spec-row__key,
.section--stone-alt .spec-row__key {
  color: var(--text-muted-light);
}

.spec-row__val {
  font-weight: 500;
}

.quote-box {
  padding: 16px 20px;
  background-color: var(--bg-graphite-elevated);
  border-left: 3px solid var(--amber-led);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: 0.9rem;
}

.section--stone .quote-box,
.section--stone-alt .quote-box {
  background-color: var(--bg-stone-alt);
  border-left-color: var(--amber-led-dark);
}

/* ==========================================================================
   FAQ / ACORDEÃO TÉCNICO
   ========================================================================== */

.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.faq-list {
  border-top: 1px solid var(--border-dark-strong);
}

.section--stone .faq-list,
.section--stone-alt .faq-list {
  border-top-color: var(--border-light-strong);
}

.faq-item {
  border-bottom: 1px solid var(--border-dark-strong);
}

.section--stone .faq-item,
.section--stone-alt .faq-item {
  border-bottom-color: var(--border-light-strong);
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item__marker {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--amber-led);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-item__marker {
  transform: rotate(45deg);
}

.faq-item__body {
  padding-bottom: 20px;
  font-size: 0.95rem;
  color: var(--text-muted-dark);
  line-height: 1.65;
}

.section--stone .faq-item__body,
.section--stone-alt .faq-item__body {
  color: var(--text-muted-light);
}

/* ==========================================================================
   FORMULÁRIO MONTADOR DE PEDIDO / BRIEFING WHATSAPP
   ========================================================================== */

.order-builder {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.form-card {
  background-color: var(--bg-graphite);
  border: 1px solid var(--border-dark-strong);
  border-radius: var(--radius-md);
  padding: clamp(24px, 4vw, 40px);
}

.form-card__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-card__sub {
  font-size: 0.88rem;
  color: var(--text-muted-dark);
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.form-field label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted-dark);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  background-color: var(--bg-obsidian);
  border: 1px solid var(--border-dark-strong);
  border-radius: var(--radius-sm);
  color: var(--text-light);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.18s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--amber-led);
}

.form-field textarea {
  min-height: 96px;
  resize: vertical;
}

.form-error {
  color: #F87171;
  font-size: 0.85rem;
  margin: 12px 0;
  min-height: 20px;
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-dim-dark);
  margin-top: 14px;
  text-align: center;
}

/* ==========================================================================
   RODAPÉ E BOTÃO FLUTUANTE DISCRETO
   ========================================================================== */

.site-footer {
  background-color: var(--bg-obsidian);
  border-top: 1px solid var(--border-dark-strong);
  padding: 64px 0 36px;
  color: var(--text-muted-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-dark);
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--amber-led);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 28px;
  font-size: 0.82rem;
  color: var(--text-dim-dark);
}

.wpp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--wpp-green);
  color: var(--text-light);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
}

.wpp-float:hover {
  background-color: var(--wpp-green-hover);
}

/* ==========================================================================
   RESPONSIVIDADE
   ========================================================================== */

@media (max-width: 1024px) {
  .hero__grid,
  .split-feature,
  .product-block,
  .faq-grid,
  .order-builder {
    grid-template-columns: 1fr;
  }

  .split-feature--reverse .split-feature__media {
    order: 0;
  }

  .process-matrix {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-cell:nth-child(2) {
    border-right: none;
  }

  .process-cell:nth-child(1),
  .process-cell:nth-child(2) {
    border-bottom: 1px solid var(--border-dark-strong);
  }

  .section--stone .process-cell:nth-child(1),
  .section--stone .process-cell:nth-child(2) {
    border-bottom-color: var(--border-light-strong);
  }

  .editorial-row {
    grid-template-columns: 60px 1fr;
    gap: 12px;
  }

  .editorial-row__desc,
  .editorial-row__action {
    grid-column: 2 / -1;
  }

  .showcase-grid,
  .showcase-grid--alt {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: inline-flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background-color: var(--bg-obsidian);
    border-bottom: 1px solid var(--border-dark-strong);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px var(--gutter);
    gap: 14px;
  }

  .main-nav.is-open {
    display: flex;
  }

  .header-actions .btn--sm {
    display: none;
  }

  .hero__metrics,
  .process-matrix,
  .form-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .process-cell {
    border-right: none !important;
    border-bottom: 1px solid var(--border-dark-strong);
  }

  .section--stone .process-cell {
    border-bottom-color: var(--border-light-strong);
  }

  .process-cell:last-child {
    border-bottom: none;
  }

  .spec-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}