/* ==========================================================================
   VÉRTICE ENGENHARIA & OBRA — Direção A: Composição Arquitetônica Aberta
   Demonstração Conceitual MCode · Monografia Editorial & Matéria Construída
   ========================================================================== */

@font-face {
  font-family: 'Space Grotesk';
  src: url('assets/fonts/space-grotesk.ttf') format('truetype');
  font-weight: 300 700;
  font-display: swap;
}

@font-face {
  font-family: 'Geist Mono';
  src: url('assets/fonts/geist-mono.ttf') format('truetype');
  font-weight: 100 900;
  font-display: swap;
}

:root {
  /* Paleta Mineral & Terracota */
  --bg-primary: #F4F1EA;
  --bg-elevated: #EAE5DA;
  --bg-card: #FAF8F3;
  --bg-dark: #181917;
  --bg-dark-panel: #20221E;

  --ink-primary: #181917;
  --ink-secondary: #4A4943;
  --ink-muted: #6E6C64;
  --ink-on-dark: #F4F1EA;
  --ink-muted-on-dark: #B5B1A6;

  --accent: #9E3E22;
  --accent-hover: #7D2E16;
  --accent-soft: rgba(158, 62, 34, 0.08);
  --accent-on-dark: #D96B4B;

  --rule-line: #D6D0C3;
  --rule-strong: #181917;
  --rule-dark: #30332D;

  /* Tipografia */
  --font-sans: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'Geist Mono', Consolas, monospace;

  /* Layout e Espaçamentos */
  --max-width: 1360px;
  --gutter: clamp(1.25rem, 4.5vw, 4rem);
}

/* --------------------------------------------------------------------------
   Reset & Configuração Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  background-color: var(--bg-primary);
  color: var(--ink-primary);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  background-color: var(--bg-primary);
  color: var(--ink-primary);
  -webkit-font-smoothing: antialiased;
  font-synthesis: none;
  overflow-x: hidden;
}

::selection {
  background-color: var(--accent);
  color: var(--bg-primary);
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol, dl {
  margin: 0;
  padding: 0;
}

p, h1, h2, h3, h4, figure {
  margin: 0;
}

.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.skip-link {
  position: absolute;
  top: -120px;
  left: var(--gutter);
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background-color: var(--ink-primary);
  color: var(--bg-primary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  border: 2px solid var(--accent);
}

.skip-link:focus {
  top: 0.75rem;
}

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

/* --------------------------------------------------------------------------
   Barra de Identificação Conceitual (Topo)
   -------------------------------------------------------------------------- */
.concept-banner {
  background-color: var(--bg-dark);
  color: var(--ink-on-dark);
  border-bottom: 1px solid var(--rule-dark);
  font-size: 0.8125rem;
}

.concept-banner-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  padding-block: 0.55rem;
}

.concept-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  background-color: var(--accent);
  color: var(--ink-on-dark);
  white-space: nowrap;
}

.concept-text {
  flex: 1 1 340px;
  color: var(--ink-muted-on-dark);
  line-height: 1.4;
}

.concept-anchor {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-on-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}

.concept-anchor:hover {
  color: var(--accent-on-dark);
}

/* --------------------------------------------------------------------------
   Cabeçalho Principal & Navegação
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background-color: rgba(244, 241, 234, 0.96);
  border-bottom: 1px solid var(--rule-strong);
  backdrop-filter: blur(8px);
}

.header-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 2.35rem;
  height: 2.35rem;
  flex-shrink: 0;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-name {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  font-size: 0.9375rem;
  font-weight: 500;
  padding-block: 0.35rem;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.nav-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.85rem;
  background-color: var(--bg-elevated);
  border: 1px solid var(--rule-strong);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.menu-toggle-bars {
  position: relative;
  width: 14px;
  height: 2px;
  background-color: var(--ink-primary);
}

.menu-toggle-bars::before,
.menu-toggle-bars::after {
  content: '';
  position: absolute;
  left: 0;
  width: 14px;
  height: 2px;
  background-color: var(--ink-primary);
}

.menu-toggle-bars::before { top: -5px; }
.menu-toggle-bars::after { top: 5px; }

/* --------------------------------------------------------------------------
   Botões e Ações
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 2.875rem;
  padding: 0.7rem 1.4rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid var(--rule-strong);
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--ink-on-dark);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-text {
  background-color: transparent;
  border-color: transparent;
  color: var(--ink-primary);
  padding-inline: 0.5rem;
}

.btn-text:hover {
  color: var(--accent);
}

.btn-icon {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

.nav-cta {
  padding: 0.55rem 1.1rem;
  min-height: 2.5rem;
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   Padronização de Seções Abertas (Sem Cartões Repetitivos)
   -------------------------------------------------------------------------- */
.section-open {
  padding-block: clamp(3.75rem, 6.5vw, 6.5rem);
  border-top: 1px solid var(--rule-line);
}

.section-tinted {
  background-color: var(--bg-elevated);
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--ink-on-dark);
  border-top: 1px solid var(--rule-dark);
}

.section-intro-block {
  max-width: 820px;
  margin-bottom: clamp(2.5rem, 4.5vw, 3.75rem);
}

.section-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.kicker-light {
  color: var(--accent-on-dark);
}

.section-heading {
  font-size: clamp(1.85rem, 3vw + 0.5rem, 3rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.section-summary {
  font-size: clamp(1.05rem, 1vw + 0.75rem, 1.2rem);
  color: var(--ink-secondary);
  line-height: 1.6;
}

.section-intro-light .section-summary {
  color: var(--ink-muted-on-dark);
}

.honesty-note {
  margin-top: 1rem;
  padding: 0.65rem 0.95rem;
  background-color: var(--bg-card);
  border-left: 3px solid var(--accent);
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--ink-secondary);
  max-width: 720px;
}

/* --------------------------------------------------------------------------
   HERO EDITORIAL ASSIMÉTRICO
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(3.5rem, 6vw, 5rem);
}

.hero-layout {
  display: grid;
  grid-template-columns: 6.2fr 5.8fr;
  gap: clamp(2rem, 4.5vw, 4.25rem);
  align-items: start;
}

.hero-editorial {
  display: flex;
  flex-direction: column;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2.35rem, 4.2vw + 0.8rem, 4.1rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 1.35rem;
}

.hero-lead {
  font-size: clamp(1.05rem, 1vw + 0.75rem, 1.22rem);
  color: var(--ink-secondary);
  line-height: 1.6;
  max-width: 54ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2.75rem;
}

/* Tríade em Linha Aberta (Sem Caixas) */
.hero-triad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule-line);
}

.triad-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.triad-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}

.triad-item strong {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
}

.triad-item p {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  line-height: 1.45;
}

.hero-visual {
  display: flex;
  flex-direction: column;
}

.hero-visual-frame {
  border: 1px solid var(--rule-strong);
  background-color: var(--bg-elevated);
}

.visual-caption {
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--ink-muted);
}

.visual-caption strong {
  color: var(--ink-primary);
}

/* --------------------------------------------------------------------------
   FRENTES DE ATUAÇÃO EM LISTA ABERTA
   -------------------------------------------------------------------------- */
.open-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule-strong);
}

.open-list-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(1.5rem, 3.5vw, 3rem);
  padding-block: clamp(2rem, 3.5vw, 2.75rem);
  border-bottom: 1px solid var(--rule-line);
  align-items: start;
}

.row-meta {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.row-num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.row-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.row-title {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.65rem;
}

.row-description {
  color: var(--ink-secondary);
  font-size: 1.02rem;
  line-height: 1.6;
  max-width: 65ch;
  margin-bottom: 1rem;
}

.row-deliverables {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.75rem;
  font-size: 0.9rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--rule-line);
}

.deliverables-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
}

.row-deliverables p {
  color: var(--ink-primary);
}

/* --------------------------------------------------------------------------
   ESTUDOS DE TIPOLOGIA EM EXPOSIÇÃO CONTÍNUA
   -------------------------------------------------------------------------- */
.typology-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 5vw, 4.5rem);
}

.typology-entry {
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
  padding-bottom: clamp(2.5rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--rule-line);
}

.typology-entry:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.typology-reverse .typology-visual {
  order: 2;
}

.typology-reverse .typology-spec {
  order: 1;
}

.typology-visual {
  border: 1px solid var(--rule-strong);
  background-color: var(--bg-card);
}

.spec-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.65rem;
}

.spec-title {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.85rem;
}

.spec-lead {
  color: var(--ink-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.35rem;
}

.spec-definition-list {
  display: grid;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule-line);
}

.spec-definition-list dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink-primary);
  margin-bottom: 0.2rem;
}

.spec-definition-list dd {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-secondary);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   MÉTODO EXECUTIVO EM 4 ETAPAS LINEARES
   -------------------------------------------------------------------------- */
.linear-timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.75rem, 3.5vw, 3rem);
  border-top: 1px solid var(--rule-dark);
  padding-top: clamp(2rem, 3.5vw, 3rem);
}

.timeline-step {
  display: flex;
  gap: 1.35rem;
  align-items: flex-start;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule-dark);
}

.step-index {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--accent-on-dark);
  flex-shrink: 0;
}

.step-content {
  display: flex;
  flex-direction: column;
}

.step-phase {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted-on-dark);
  margin-bottom: 0.45rem;
}

.step-heading {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink-on-dark);
  margin-bottom: 0.65rem;
}

.step-text {
  font-size: 0.95rem;
  color: var(--ink-muted-on-dark);
  line-height: 1.55;
  margin-bottom: 0.95rem;
}

.step-badge {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent-on-dark);
}

/* --------------------------------------------------------------------------
   O RIGOR DA ENGENHARIA VS O CUSTO DO IMPROVISO
   -------------------------------------------------------------------------- */
.contrast-table {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule-strong);
}

.contrast-row {
  display: grid;
  grid-template-columns: 260px 1fr 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  padding-block: clamp(1.5rem, 2.8vw, 2.25rem);
  border-bottom: 1px solid var(--rule-line);
}

.contrast-header {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  padding-bottom: 0.85rem;
  border-bottom: 2px solid var(--rule-strong);
}

.topic-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 0.25rem;
}

.topic-title {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.2;
}

.col-risk {
  color: var(--ink-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.col-standard {
  color: var(--ink-primary);
  font-size: 0.95rem;
  line-height: 1.5;
  font-weight: 500;
}

.mobile-label {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

/* --------------------------------------------------------------------------
   CONTATO DEMONSTRATIVO SIMPLES E ENXUTO
   -------------------------------------------------------------------------- */
.section-contact {
  background-color: var(--bg-elevated);
}

.contact-card-grid {
  display: grid;
  grid-template-columns: 5.5fr 6.5fr;
  gap: clamp(1.5rem, 3.5vw, 2.75rem);
  align-items: start;
}

.prep-box,
.channels-box {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background-color: var(--bg-card);
  border: 1px solid var(--rule-strong);
}

.prep-title,
.channels-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--rule-line);
}

.prep-list {
  list-style: none;
  display: grid;
  gap: 0.85rem;
  font-size: 0.96rem;
}

.prep-list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--ink-secondary);
}

.prep-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
}

.prep-list strong {
  color: var(--ink-primary);
}

.institutional-fields {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 0.15rem;
}

.field-value {
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--ink-primary);
}

.contact-demo-disclaimer {
  padding: 0.85rem 1rem;
  background-color: var(--bg-elevated);
  border-left: 3px solid var(--accent);
  font-size: 0.84rem;
  line-height: 1.45;
}

.disclaimer-badge {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink-primary);
  margin-bottom: 0.25rem;
}

.contact-demo-disclaimer p {
  color: var(--ink-secondary);
}

/* --------------------------------------------------------------------------
   RODAPÉ
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--ink-on-dark);
  border-top: 2px solid var(--rule-strong);
  padding-block: clamp(3rem, 5vw, 4.25rem);
}

.footer-shell {
  display: grid;
  grid-template-columns: 5fr 3.5fr 3.5fr;
  gap: clamp(1.75rem, 3.5vw, 3rem);
}

.brand-footer .brand-name {
  color: var(--ink-on-dark);
}

.brand-footer .brand-sub {
  color: var(--ink-muted-on-dark);
}

.footer-thesis {
  margin-top: 1rem;
  max-width: 44ch;
  font-size: 0.92rem;
  color: var(--ink-muted-on-dark);
  line-height: 1.5;
}

.footer-nav-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-on-dark);
  margin-bottom: 0.85rem;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: 0.45rem;
  font-size: 0.92rem;
}

.footer-links a {
  color: var(--ink-muted-on-dark);
}

.footer-links a:hover {
  color: var(--ink-on-dark);
  text-decoration: underline;
}

.footer-credits-text {
  font-size: 0.92rem;
  color: var(--ink-on-dark);
  margin-bottom: 1.15rem;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-on-dark);
}

.back-to-top:hover {
  color: var(--ink-on-dark);
}

/* --------------------------------------------------------------------------
   Responsividade (Tablet <= 1024px, Mobile <= 768px, Telas estreitas 320px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-layout,
  .typology-entry,
  .contact-card-grid {
    grid-template-columns: 1fr;
  }

  .typology-reverse .typology-visual {
    order: 1;
  }

  .typology-reverse .typology-spec {
    order: 2;
  }

  .linear-timeline {
    grid-template-columns: 1fr;
  }

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

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

  .primary-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1.25rem var(--gutter);
    background-color: var(--bg-primary);
    border-bottom: 2px solid var(--rule-strong);
    box-shadow: 0 12px 24px rgba(24, 25, 23, 0.12);
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .nav-link {
    padding-block: 0.5rem;
    border-bottom: 1px solid var(--rule-line);
  }

  .nav-cta {
    width: 100%;
  }

  .hero-triad {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .open-list-row {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .contrast-header {
    display: none;
  }

  .contrast-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .mobile-label {
    display: block;
  }

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

@media (max-width: 440px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   Movimento Reduzido (prefers-reduced-motion: reduce)
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}