/* ==========================================================================
   USIMABE - Site Institucional
   Design System & Estilos Globais
   Baseado nos Design Tokens e Mockups de Referência (01 a 09)
   ========================================================================== */

/* 1. FONTES LOCAIS */
@font-face {
  font-family: 'Roboto';
  src: url('../fonts/Roboto-Variable.woff2') format('woff2'),
       url('../fonts/Roboto-Variable.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Roboto Condensed';
  src: url('../fonts/RobotoCondensed-Variable.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Open Sans';
  src: url('../fonts/OpenSans-Variable.ttf') format('truetype');
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}

/* 2. VARIÁVEIS / DESIGN TOKENS */
:root {
  /* Cores semânticas da marca */
  --azul-escuro: #002536;
  --azul-primario: #00364b;
  --azul-titulo: #003b55;
  --laranja: #ff681f;
  --laranja-hover: #e55614;
  --laranja-claro: #ff8128;
  --laranja-glow: rgba(255, 104, 31, 0.28);
  --branco: #ffffff;
  --fundo-cinza: #f3f5f7;
  --fundo-cinza-alt: #f8f9fa;
  --texto-padrao: #596579;
  --texto-escuro: #1f2d3d;
  --texto-claro: rgba(255, 255, 255, 0.9);
  --borda-suave: #dce3e9;
  --borda-fina: #e5e9ee;
  --borda-escura: rgba(255, 255, 255, 0.15);

  /* Dimensões e Layout */
  --container-max: 1200px;
  --header-height: 80px;

  /* Raios de borda */
  --raio-sm: 4px;
  --raio-md: 6px;
  --raio-lg: 10px;
  --raio-pill: 9999px;

  /* Elevações e Sombras industriais */
  --sombra-sm: 0 2px 8px rgba(0, 37, 54, 0.06);
  --sombra-card: 0 10px 25px rgba(0, 37, 54, 0.08);
  --sombra-hover: 0 16px 36px rgba(0, 37, 54, 0.14);
  --sombra-cta: 0 4px 18px rgba(255, 104, 31, 0.35);
  --sombra-cta-hover: 0 8px 24px rgba(255, 104, 31, 0.48);

  /* Motion Design Tokens - Passagem de Direção de Arte */
  --motion-instant: 90ms;
  --motion-fast: 180ms;
  --motion-base: 280ms;
  --motion-slow: 480ms;
  --motion-page-out: 280ms;
  --motion-page-in: 400ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-emphasized: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-page-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-page-in: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-image: cubic-bezier(0.22, 1, 0.36, 1);

  /* Z-Index explícito */
  --z-negative: -1;
  --z-base: 1;
  --z-card: 2;
  --z-overlay: 10;
  --z-header: 100;
  --z-dropdown: 150;
  --z-modal: 1000;
  --z-toast: 2000;

  /* Transição padrão */
  --transicao-link: color var(--motion-fast) var(--ease-standard);
  --transicao-btn: transform var(--motion-fast) var(--ease-emphasized), box-shadow var(--motion-fast) var(--ease-emphasized), background var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard);
  --transicao-card: transform var(--motion-base) var(--ease-emphasized), box-shadow var(--motion-base) var(--ease-emphasized), border-color var(--motion-base) var(--ease-standard);
}

/* W3C Cross-Document View Transitions (Overlap Contínuo) */
@view-transition {
  navigation: auto;
}

::view-transition-group(root) {
  animation-duration: var(--motion-page-in);
  background-color: var(--branco);
}

::view-transition-image-pair(root) {
  isolation: isolate;
}

::view-transition-old(root) {
  animation: pageFadeOut var(--motion-page-out) var(--ease-page-out) both;
}

::view-transition-new(root) {
  animation: pageFadeIn var(--motion-page-in) var(--ease-page-in) both;
}

@keyframes pageFadeOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-3px);
  }
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header e Logo Estáveis durante View Transitions */
::view-transition-old(site-header),
::view-transition-new(site-header),
::view-transition-old(header-logo),
::view-transition-new(header-logo) {
  animation: none;
  mix-blend-mode: normal;
}

/* View Transition Simplificada em Telas Mobile */
@media (max-width: 768px) {
  ::view-transition-old(root) {
    animation: pageFadeOutMobile 200ms ease both;
  }
  ::view-transition-new(root) {
    animation: pageFadeInMobile 240ms ease both;
  }
  @keyframes pageFadeOutMobile {
    to { opacity: 0; }
  }
  @keyframes pageFadeInMobile {
    from { opacity: 0; }
    to { opacity: 1; }
  }
}

/* 3. RESET E BASE */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
  background-color: var(--fundo-cinza);
}

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--texto-padrao);
  background-color: var(--branco);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
  opacity: 1;
  transition: opacity 300ms var(--ease-page-in), 
              transform 300ms var(--ease-page-in);
}

body.page-leaving {
  opacity: 0;
  transform: translateY(-3px);
  transition: opacity 220ms var(--ease-page-out), 
              transform 220ms var(--ease-page-out);
  pointer-events: none;
}

body.page-entering {
  opacity: 0;
  transform: translateY(5px);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transicao);
}

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

h1, h2, h3, h4, h5, h6 {
  color: var(--azul-titulo);
  font-weight: 700;
  line-height: 1.2;
  overflow-wrap: break-word;
}

/* 4. TIPOGRAFIA AUXILIAR */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--azul-titulo);
  margin-bottom: 12px;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 3px;
  background-color: var(--laranja);
  border-radius: 2px;
}

.eyebrow-white {
  color: var(--branco);
}
.eyebrow-white::before {
  background-color: var(--laranja);
}

.title-xl {
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  letter-spacing: -0.5px;
}

.title-lg {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  letter-spacing: -0.5px;
}

.title-md {
  font-size: 1.75rem;
}

.title-sm {
  font-size: 1.35rem;
}

.text-lead {
  font-size: 1.125rem;
  line-height: 1.6;
}

.text-orange {
  color: var(--laranja);
}

/* 5. LAYOUT & CONTAINERS */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 3.5vw, 40px);
  padding-right: clamp(16px, 3.5vw, 40px);
}

.section {
  padding: clamp(56px, 7vw, 84px) 0;
  position: relative;
}

.section-header-center {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: clamp(36px, 5vw, 52px);
}

.section-header-center .eyebrow {
  justify-content: center;
}

.section-muted {
  background-color: var(--fundo-cinza);
}

.section-dark {
  background-color: var(--azul-escuro);
  color: var(--branco);
}

.section-dark h2,
.section-dark h3 {
  color: var(--branco);
}

.grid {
  display: grid;
  gap: 30px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* 6. BOTÕES & ELEMENTOS DE AÇÃO */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 13px 26px;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--raio-md);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.22s cubic-bezier(0.16, 1, 0.3, 1), 
              background 0.22s ease, 
              border-color 0.22s ease, 
              color 0.22s ease;
  border: 1px solid transparent;
  line-height: 1;
  position: relative;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

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

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  fill: currentColor;
  transition: transform 0.2s ease;
}

.btn:hover svg {
  transform: translateX(4px);
}

.btn-primary {
  background: linear-gradient(105deg, var(--laranja) 0%, var(--laranja-claro) 100%);
  color: var(--branco);
  box-shadow: 0 4px 15px rgba(255, 104, 31, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(105deg, var(--laranja-hover) 0%, var(--laranja) 100%);
  box-shadow: 0 6px 20px rgba(255, 104, 31, 0.45);
}

.btn-outline-white {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.8);
  color: var(--branco);
}

.btn-outline-white:hover {
  background: var(--branco);
  color: var(--azul-primario);
}

.btn-outline-blue {
  background: transparent;
  border-color: var(--azul-primario);
  color: var(--azul-primario);
}

.btn-outline-blue:hover {
  background: var(--azul-primario);
  color: var(--branco);
}

.btn-outline-orange {
  background: transparent;
  border-color: var(--laranja);
  color: var(--azul-primario);
}

.btn-outline-orange:hover {
  background: var(--laranja);
  color: var(--branco);
}

.btn-white {
  background: var(--branco);
  color: var(--azul-primario);
}

.btn-white:hover {
  background: var(--fundo-cinza);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--laranja);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
}

.link-arrow svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
  fill: currentColor;
}

.link-arrow:hover svg {
  transform: translateX(5px);
}

/* 7. CABEÇALHO & NAVEGAÇÃO */
.site-header {
  view-transition-name: site-header;
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--branco);
  border-bottom: 1px solid var(--borda-fina);
  padding: 12px 0;
  transition: background-color var(--motion-fast) var(--ease-standard),
              box-shadow var(--motion-fast) var(--ease-standard),
              border-color var(--motion-fast) var(--ease-standard);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom-color: rgba(0, 37, 54, 0.08);
  box-shadow: 0 4px 18px rgba(0, 37, 54, 0.07);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.header-logo {
  view-transition-name: header-logo;
  display: inline-flex;
  align-items: center;
  transition: transform var(--motion-fast) var(--ease-standard), opacity var(--motion-fast) var(--ease-standard);
}

.header-logo:hover {
  opacity: 0.96;
  transform: scale(1.012);
}

.header-logo img {
  height: 44px;
  width: auto;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--azul-escuro);
  font-size: 15px;
  font-weight: 600;
  padding: 6px 2px;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--laranja);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover {
  color: var(--laranja);
}

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

.nav-link.active {
  color: var(--azul-escuro);
}

/* Dropdown em Soluções */
.has-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--branco);
  min-width: 210px;
  box-shadow: 0 10px 30px rgba(0, 37, 54, 0.15);
  border-radius: var(--raio-md);
  border: 1px solid var(--borda-fina);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 110;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.dropdown-item {
  display: block;
  padding: 10px 18px;
  font-size: 14px;
  color: var(--azul-escuro);
  font-weight: 500;
}

.dropdown-item:hover {
  background-color: var(--fundo-cinza);
  color: var(--laranja);
}

.header-cta .btn {
  padding: 11px 22px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--azul-escuro);
}

.mobile-menu-btn svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

/* 8. HERO SECTIONS */
.hero {
  position: relative;
  background-color: var(--azul-escuro);
  color: var(--branco);
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-home {
  min-height: clamp(560px, 78vh, 720px);
  padding: 60px 0 80px;
}

/* Camada 1: Poster Nativo e Vídeo Responsivo */
.hero-poster-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero-poster-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  display: block;
}

.hero-video-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 400ms ease;
}

.hero-video-bg.is-loaded {
  opacity: 1;
}

.hero-image-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: var(--z-base);
}

.hero-usimabe-bg {
  object-position: 55% 60%;
}

@media (max-width: 768px) {
  .hero-usimabe-bg {
    object-position: 58% 62%;
  }
}

/* Camada 2: Overlay gradiente balanceado */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: var(--z-card);
  background: 
    radial-gradient(ellipse at 50% 45%, rgba(0, 37, 54, 0.42) 0%, rgba(0, 20, 30, 0.78) 100%),
    linear-gradient(180deg, rgba(0, 25, 36, 0.58) 0%, rgba(0, 37, 54, 0.38) 50%, rgba(0, 18, 28, 0.74) 100%);
  pointer-events: none;
}

.hero-overlay-dark {
  position: absolute;
  inset: 0;
  z-index: var(--z-card);
  background: 
    radial-gradient(ellipse at 50% 50%, rgba(0, 25, 36, 0.6) 0%, rgba(0, 20, 30, 0.85) 100%),
    linear-gradient(180deg, rgba(0, 20, 30, 0.75) 0%, rgba(0, 37, 54, 0.5) 50%, rgba(0, 18, 28, 0.85) 100%);
  pointer-events: none;
}

.hero-container {
  display: flex;
  justify-content: center;
  width: 100%;
}

/* Hero dividido com grid responsivo */
.hero-split-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding: 60px 0;
}

/* Camada 4: Logo, Textos e CTAs */
.hero-content {
  position: relative;
  z-index: 4;
  max-width: 680px;
  padding: 40px 0;
}

.hero-content-centered {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Logo oficial branca dentro do Hero */
.hero-logo {
  display: block;
  margin: 0 auto 16px auto;
  height: clamp(44px, 5.5vw, 62px);
  width: auto;
  max-width: 210px;
  aspect-ratio: 1318 / 857;
  object-fit: contain;
  filter: drop-shadow(0 3px 12px rgba(0, 0, 0, 0.35));
}

.hero-content-centered .eyebrow {
  justify-content: center;
  margin-bottom: 14px;
}

.hero-content-centered .hero-actions {
  justify-content: center;
}

.hero-content h1 {
  color: var(--branco);
  font-size: clamp(1.75rem, 4.2vw, 3.1rem);
  line-height: 1.18;
  margin-bottom: 16px;
  font-weight: 700;
  letter-spacing: -0.5px;
  overflow-wrap: break-word;
  word-wrap: break-word;
  text-shadow: 0 2px 10px rgba(0, 25, 36, 0.45);
}

.hero-content p {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--texto-claro);
  margin-bottom: 30px;
  line-height: 1.55;
  max-width: 640px;
  text-shadow: 0 1px 6px rgba(0, 25, 36, 0.4);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* Coreografia de Entrada do Hero (≤ 800ms) */
@keyframes heroFadeDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-anim-logo {
  animation: heroFadeDown 480ms var(--ease-emphasized) 60ms both;
}

.hero-anim-eyebrow {
  animation: heroFadeUp 440ms var(--ease-emphasized) 140ms both;
}

.hero-anim-title {
  animation: heroFadeUp 520ms var(--ease-emphasized) 210ms both;
}

.hero-anim-desc {
  animation: heroFadeUp 480ms var(--ease-emphasized) 290ms both;
}

.hero-anim-actions {
  animation: heroFadeUp 480ms var(--ease-emphasized) 370ms both;
}

.hero-anim-cue {
  animation: cueFadeUp 480ms var(--ease-emphasized) 450ms both;
}

/* Transição suave do Hero para a primeira seção (Fade Inferior Industrial) */
.hero-home::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 90px;
  background: linear-gradient(180deg, rgba(0, 25, 36, 0) 0%, rgba(0, 25, 36, 0.45) 55%, rgba(0, 25, 36, 0.95) 100%);
  z-index: 2;
  pointer-events: none;
}

/* Camada 3: Indicador de qualidade no Hero */
.hero-corner-badge {
  position: absolute;
  right: clamp(20px, 3.5vw, 40px);
  bottom: clamp(24px, 3.5vw, 40px);
  z-index: 3;
  text-align: right;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  border-right: 3px solid var(--laranja);
  padding-right: 12px;
  line-height: 1.4;
  background: rgba(0, 25, 36, 0.45);
  padding: 8px 14px;
  border-radius: var(--raio-sm);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  pointer-events: none;
}

/* Indicador sutil de continuidade (Scroll Cue) — Centralização Real 50% */
.hero-scroll-cue {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  padding: 6px 14px;
  border-radius: var(--raio-pill);
  transition: color var(--motion-fast) var(--ease-standard), 
              opacity var(--motion-fast) var(--ease-standard),
              background-color var(--motion-fast) var(--ease-standard);
  opacity: 0.85;
  user-select: none;
}

.hero-scroll-cue:hover {
  color: var(--laranja);
  background-color: rgba(0, 25, 36, 0.35);
  opacity: 1;
}

.hero-scroll-cue svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  margin-top: 2px;
  animation: scrollArrowSway 2.4s ease-in-out infinite;
}

@keyframes scrollArrowSway {
  0%, 100% {
    transform: translateY(0);
    opacity: 0.7;
  }
  50% {
    transform: translateY(5px);
    opacity: 1;
  }
}

@keyframes cueFadeUp {
  from {
    opacity: 0;
    transform: translate(-50%, 12px);
  }
  to {
    opacity: 0.85;
    transform: translate(-50%, 0);
  }
}

/* Botão Flutuante Voltar ao Topo */
.back-to-top {
  position: fixed;
  bottom: clamp(20px, 3vw, 32px);
  right: clamp(20px, 3vw, 32px);
  width: 44px;
  height: 44px;
  border-radius: var(--raio-sm);
  background: var(--azul-primario);
  color: var(--branco);
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 25, 36, 0.35);
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--motion-base) var(--ease-standard),
              transform var(--motion-base) var(--ease-emphasized),
              background-color var(--motion-fast) var(--ease-standard),
              border-color var(--motion-fast) var(--ease-standard),
              box-shadow var(--motion-fast) var(--ease-standard);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (hover: hover) and (pointer: fine) {
  .back-to-top:hover {
    background: var(--laranja);
    border-color: var(--laranja);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 104, 31, 0.42);
  }

  .back-to-top:hover svg {
    transform: translateY(-2px);
  }
}

.back-to-top:active {
  transform: translateY(0);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  transition: transform var(--motion-fast) var(--ease-standard);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--laranja);
  outline-offset: 3px;
}

/* Formato diagonal característico da marca */
.diagonal-shape {
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 220px;
  height: 140px;
  background: linear-gradient(135deg, var(--laranja) 0%, var(--laranja-claro) 100%);
  clip-path: polygon(35% 0, 100% 0, 65% 100%, 0 100%);
  z-index: 2;
  opacity: 0.9;
  pointer-events: none;
}

.diagonal-shape-top {
  position: absolute;
  right: -20px;
  top: -20px;
  width: 180px;
  height: 100px;
  background: linear-gradient(135deg, var(--laranja) 0%, var(--laranja-claro) 100%);
  clip-path: polygon(30% 0, 100% 0, 70% 100%, 0 100%);
  z-index: 2;
  opacity: 0.85;
  pointer-events: none;
}

/* 9. CARDS DE SERVIÇOS & SOLUÇÕES */
.card-service {
  background: var(--branco);
  border-radius: var(--raio-md);
  overflow: hidden;
  box-shadow: var(--sombra-card);
  transition: var(--transicao);
  display: flex;
  flex-direction: column;
}

.card-service:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra-hover);
}

.card-media {
  position: relative;
  width: 100%;
  height: 190px;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card-service:hover .card-media img {
  transform: scale(1.05);
}

.card-badge-icon {
  position: absolute;
  bottom: -22px;
  left: 24px;
  width: 50px;
  height: 50px;
  background: var(--laranja);
  border-radius: var(--raio-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--branco);
  box-shadow: 0 4px 12px rgba(255, 104, 31, 0.4);
  z-index: 3;
}

.card-badge-icon svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.card-body {
  padding: 34px 24px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-body h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.card-body p {
  font-size: 0.95rem;
  color: var(--texto-padrao);
  margin-bottom: 20px;
  flex-grow: 1;
  line-height: 1.55;
}

/* 10. BLOCO DE DESTAQUE EMPRESA (COM FOTO CORTADA) */
.about-feature-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-feature-image {
  position: relative;
}

.about-feature-image .img-main {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--raio-md);
  box-shadow: var(--sombra-card);
}

.about-feature-badge {
  position: absolute;
  right: -20px;
  bottom: -25px;
  background: var(--branco);
  padding: 18px 24px;
  border-radius: var(--raio-md);
  box-shadow: 0 10px 30px rgba(0, 37, 54, 0.12);
  border-left: 4px solid var(--laranja);
  max-width: 280px;
}

@media (max-width: 768px) {
  .about-feature-badge {
    position: static;
    margin-top: 16px;
    max-width: 100%;
    right: auto;
    bottom: auto;
  }
}

.about-feature-badge p {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--azul-titulo);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.4;
}

/* 11. SEÇÃO ESTRUTURA RESUMIDA (HOME) */
.structure-summary {
  background-color: var(--azul-escuro);
  color: var(--branco);
  position: relative;
  overflow: hidden;
}

.structure-summary-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}

.thumbs-row {
  display: flex;
  gap: 14px;
}

.thumb-item {
  flex: 1;
  border-radius: var(--raio-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.3);
}

.thumb-item img {
  width: 100%;
  height: 95px;
  object-fit: cover;
}

/* 12. BANNER DE CHAMADA / CTA FINAL */
.cta-banner {
  background-color: var(--azul-primario);
  background-image: linear-gradient(90deg, rgba(0, 37, 54, 0.95), rgba(0, 54, 75, 0.85));
  color: var(--branco);
  padding: 50px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.cta-banner h2 {
  color: var(--branco);
  font-size: 1.85rem;
  margin-bottom: 8px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.88);
  margin: 0;
  font-size: 1.05rem;
}

.cta-banner .btn {
  white-space: nowrap;
}

/* CTA Laranja Vibrante (Ferramentaria) */
.cta-banner-orange {
  background: linear-gradient(105deg, var(--laranja) 0%, #ff8c3b 100%);
  color: var(--branco);
}
.cta-banner-orange h2 {
  color: var(--branco);
}
.cta-banner-orange .btn {
  background: var(--branco);
  color: var(--azul-escuro);
}
.cta-banner-orange .btn:hover {
  background: var(--fundo-cinza);
}

/* 13. LINHA DO TEMPO (A USIMABE) */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
  margin-top: 40px;
}

.timeline-item {
  background: var(--branco);
  padding: 30px 24px;
  border-radius: var(--raio-md);
  border: 1px solid var(--borda-fina);
  position: relative;
}

.timeline-icon-circle {
  width: 52px;
  height: 52px;
  background: var(--laranja);
  color: var(--branco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 4px 14px rgba(255, 104, 31, 0.35);
}

.timeline-icon-circle svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.timeline-item h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.timeline-item p {
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0;
}

/* 14. FAIXA DE FOTOS EM PROCESSO (A USIMABE) */
.process-photos-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 50px 0;
}

.process-photo-box {
  position: relative;
  height: 240px;
  border-radius: var(--raio-md);
  overflow: hidden;
  box-shadow: var(--sombra-card);
}

.process-photo-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 15. SEÇÕES ALTERNADAS DE SOLUÇÕES (03-SOLUCOES) */
.solution-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 60px;
}

.solution-block.reverse {
  direction: rtl;
}
.solution-block.reverse > * {
  direction: ltr;
}

.solution-block-image {
  border-radius: var(--raio-md);
  overflow: hidden;
  box-shadow: var(--sombra-card);
  position: relative;
}

.solution-block-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.solution-number {
  color: var(--laranja);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.solution-block-content h2 {
  font-size: 2rem;
  margin-bottom: 14px;
}

.solution-block-content p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 22px;
}

.tags-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--borda-suave);
  border-radius: var(--raio-pill);
  font-size: 13px;
  font-weight: 500;
  background: var(--fundo-cinza-alt);
  color: var(--azul-titulo);
}

.tag-badge svg {
  width: 16px;
  height: 16px;
  fill: var(--laranja);
}

/* 16. TABELA DE CURSO DOS EIXOS (USINAGEM / CNC) */
.axis-table-container {
  background-color: var(--azul-escuro);
  border-radius: var(--raio-md);
  padding: 24px 30px;
  color: var(--branco);
  margin-top: 24px;
}

.axis-table-title {
  color: var(--branco);
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 18px 0 24px;
  border-radius: var(--raio-sm);
  box-shadow: 0 1px 3px rgba(0, 37, 54, 0.06);
}

.table-responsive:focus-visible {
  outline: 2px solid var(--laranja);
  outline-offset: 2px;
}

.anchor-target {
  display: block;
  position: relative;
  top: -90px;
  height: 0;
  visibility: hidden;
}

.table-scroll-hint {
  display: none;
  font-size: 0.78rem;
  color: var(--texto-padrao);
  margin-bottom: 6px;
  align-items: center;
  gap: 6px;
}

.table-scroll-hint svg {
  width: 14px;
  height: 14px;
  fill: var(--laranja);
}

@media (max-width: 768px) {
  .table-scroll-hint {
    display: inline-flex;
  }
}

.axis-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: var(--branco);
  font-size: 0.95rem;
}

.axis-table th,
.axis-table td {
  padding: 12px 14px;
  border: 1px solid var(--borda-fina);
  vertical-align: middle;
}

.axis-table th {
  background: #f1f5f8;
  color: var(--azul-titulo);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: left;
}

.axis-table th.col-axis,
.axis-table td.col-axis {
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.axis-table td.col-axis {
  font-weight: 600;
  color: var(--azul-escuro);
}

.axis-table tbody tr:nth-child(even) {
  background: #fbfcfd;
}

.axis-table tbody tr:hover {
  background: #f4f8fb;
}

.axis-table .axis-na {
  color: #8c98a4;
  font-style: italic;
  font-weight: 400;
  font-size: 0.85rem;
}

.axis-table-container .axis-table {
  background: transparent;
  min-width: 100%;
}

.axis-table-container .axis-table th {
  background: rgba(22, 117, 140, 0.25);
  color: var(--laranja);
  border-color: rgba(22, 117, 140, 0.6);
  text-align: center;
}

.axis-table-container .axis-table td {
  border-color: rgba(22, 117, 140, 0.6);
  color: var(--branco);
  font-weight: 600;
  font-size: 1.2rem;
  text-align: center;
}

.axis-table-container .axis-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.04);
}

.axis-table-container .axis-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* Cards Técnicos de Equipamentos */
.equip-card {
  background: var(--branco);
  border: 1px solid var(--borda-fina);
  border-radius: var(--raio-md);
  overflow: hidden;
  box-shadow: var(--sombra-card);
  display: flex;
  flex-direction: column;
  transition: transform var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard);
}

.equip-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0, 37, 54, 0.12);
}

.equip-card-image {
  background: #ffffff;
  height: 190px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--borda-fina);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.equip-card-image picture {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

.equip-card-image picture img,
.equip-card-image img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.equip-card-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  position: relative;
  z-index: 1;
}

.equip-card-type {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--laranja);
  margin-bottom: 4px;
}

.equip-card-title {
  font-size: 1.15rem;
  color: var(--azul-titulo);
  margin-bottom: 8px;
  font-weight: 700;
}

.equip-card-specs {
  font-size: 0.88rem;
  color: var(--texto-padrao);
  line-height: 1.5;
  margin-top: auto;
}

.equip-spec-pill {
  display: inline-block;
  padding: 3px 8px;
  background: #eef4f8;
  color: var(--azul-escuro);
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.8rem;
  margin-top: 6px;
}

.equip-highlight-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--laranja);
  background: rgba(243, 112, 33, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
  align-self: flex-start;
}

/* 17. SISTEMA DE ABAS (ESTRUTURA E TECNOLOGIA) */
.tabs-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  background: var(--branco);
  color: var(--azul-titulo);
  border: 1px solid var(--borda-fina);
  border-radius: var(--raio-md);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transicao);
}

.tab-btn svg {
  width: 20px;
  height: 20px;
  fill: var(--laranja);
  transition: fill 0.2s ease;
}

.tab-btn:hover {
  background: var(--fundo-cinza);
}

.tab-btn.active {
  background: var(--azul-escuro);
  color: var(--branco);
  border-color: var(--azul-escuro);
}

.tab-btn.active svg {
  fill: var(--branco);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* 18. FILTROS DE PROJETOS */
.filters-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.filter-btn {
  padding: 10px 24px;
  background: #e9e9eb;
  color: var(--azul-titulo);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--raio-md);
  border: none;
  cursor: pointer;
  transition: var(--transicao);
}

.filter-btn:hover {
  background: #dadade;
}

.filter-btn.active {
  background: var(--laranja);
  color: var(--branco);
}

.project-card {
  background: var(--branco);
  border-radius: var(--raio-md);
  overflow: hidden;
  box-shadow: var(--sombra-card);
  transition: var(--transicao);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-hover);
}

.project-card-image {
  height: 220px;
  overflow: hidden;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-card-image img {
  transform: scale(1.04);
}

.project-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card-body h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.project-card-body p {
  font-size: 0.92rem;
  margin-bottom: 16px;
  flex-grow: 1;
}

/* 19. FORMULÁRIO DE CONTATO (09-CONTATO) */
.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}

.contact-card-info {
  background-color: var(--azul-escuro);
  background-image: linear-gradient(135deg, #002536 0%, #00364b 100%);
  color: var(--branco);
  padding: 36px;
  border-radius: var(--raio-lg);
  box-shadow: var(--sombra-card);
}

.contact-card-info h3 {
  color: var(--branco);
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon-bubble {
  width: 48px;
  height: 48px;
  border: 1px solid var(--laranja);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--laranja);
  flex-shrink: 0;
}

.contact-icon-bubble svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.contact-info-item a,
.contact-info-item span {
  color: var(--branco);
  font-size: 15px;
  line-height: 1.4;
}

.contact-info-item a:hover {
  color: var(--laranja);
}

.form-group {
  margin-bottom: 18px;
}

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

label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--azul-titulo);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--texto-escuro);
  background-color: var(--branco);
  border: 1px solid var(--borda-suave);
  border-radius: var(--raio-sm);
  transition: var(--transicao);
}

.form-control:focus {
  outline: none;
  border-color: var(--laranja);
  box-shadow: 0 0 0 3px rgba(255, 104, 31, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-feedback {
  padding: 14px 18px;
  border-radius: var(--raio-md);
  margin-top: 16px;
  font-size: 14px;
  display: none;
}

.form-feedback.info {
  background-color: #e8f4fd;
  color: #0b69a3;
  border: 1px solid #b6dff7;
  display: block;
}

.form-feedback.success {
  background-color: #eafaf1;
  color: #155724;
  border: 1px solid #c3e6cb;
  display: block;
}

.form-feedback.error {
  background-color: #fdf2f2;
  color: #721c24;
  border: 1px solid #f5c6cb;
  display: block;
}

.form-control.is-invalid {
  border-color: #dc3545;
  background-color: #fff8f8;
}

.form-control.is-invalid:focus {
  border-color: #dc3545;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.2);
}

.field-error {
  display: none;
  color: #dc3545;
  font-size: 12px;
  margin-top: 4px;
  font-weight: 500;
}


/* 20. RODAPÉ INSTITUCIONAL */
.site-footer {
  background-color: var(--azul-escuro);
  color: var(--branco);
  padding: 50px 0 24px;
  position: relative;
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo img {
  height: 48px;
  width: auto;
  margin-bottom: 16px;
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  line-height: 1.5;
}

.footer-col-title {
  color: var(--branco);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  fill: var(--laranja);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

/* Redes Sociais no Rodapé */
.footer-social {
  margin-top: 18px;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  min-width: 44px;
  padding: 6px 14px 6px 10px;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--raio-sm);
  color: var(--branco);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transicao-btn);
}

.footer-social-link svg {
  width: 20px;
  height: 20px;
  fill: var(--laranja);
  flex-shrink: 0;
  transition: transform var(--motion-fast) var(--ease-standard);
}

.footer-social-link:hover {
  background-color: rgba(255, 104, 31, 0.15);
  border-color: var(--laranja);
  color: #ffffff;
  transform: translateY(-2px);
}

.footer-social-link:hover svg {
  transform: scale(1.1);
}

.footer-social-link:focus-visible {
  outline: 2px solid var(--laranja);
  outline-offset: 3px;
}

/* Controles Acessíveis do Vídeo do Hero */
.hero-video-controls {
  position: absolute;
  bottom: clamp(16px, 3vw, 28px);
  left: clamp(16px, 3vw, 32px);
  z-index: 4;
}

.hero-video-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  min-width: 44px;
  padding: 8px 16px;
  background: rgba(0, 37, 54, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--raio-pill);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--motion-fast) var(--ease-standard);
}

.hero-video-toggle:hover {
  background: rgba(0, 37, 54, 0.95);
  border-color: var(--laranja);
  color: #ffffff;
}

.hero-video-toggle:focus-visible {
  outline: 2px solid var(--laranja);
  outline-offset: 3px;
}

.hero-video-toggle svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  flex-shrink: 0;
}

/* 21. RESPONSIVIDADE (TABLET & MOBILE) */
@media (max-width: 992px) {
  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .header-logo img {
    height: 38px;
    max-width: 160px;
    object-fit: contain;
  }

  .site-nav {
    display: none;
  }

  .site-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--branco);
    padding: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-bottom: 2px solid var(--laranja);
    gap: 16px;
    z-index: 1000;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 8px;
    flex-shrink: 0;
    margin-left: auto;
  }

  .header-cta {
    display: none;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-feature-grid,
  .structure-summary-grid,
  .solution-block,
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .solution-block.reverse {
    direction: ltr;
  }

  .cta-banner-content {
    flex-direction: column;
    text-align: center;
  }

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

@media (max-width: 600px) {
  html, body {
    overflow-x: hidden;
  }

  .container {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  .header-logo img {
    height: 36px;
  }

  .hero-home {
    min-height: 460px;
  }

  .hero-content {
    padding: 32px 0;
  }

  .hero-content h1 {
    font-size: clamp(1.35rem, 5.2vw, 1.75rem) !important;
    line-height: 1.24 !important;
    margin-bottom: 12px;
    word-break: normal;
  }

  .hero-content p {
    font-size: 0.95rem;
    line-height: 1.45;
    margin-bottom: 20px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-corner-badge {
    display: none;
  }

  .hero-split-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 36px 0;
  }

  .tabs-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 24px;
    width: 100%;
  }

  .tab-btn {
    width: 100%;
    min-width: 0;
    padding: 10px 12px;
    font-size: 0.85rem;
    gap: 8px;
    justify-content: flex-start;
    text-align: left;
    white-space: normal;
    word-break: break-word;
    line-height: 1.25;
  }

  .tab-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
  }

  .diagonal-shape {
    width: 110px;
    height: 70px;
    right: -20px;
    bottom: -20px;
    opacity: 0.5;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .title-xl {
    font-size: 1.9rem;
  }

  .title-lg {
    font-size: 1.6rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .thumbs-row {
    flex-direction: column;
  }

  .process-photos-strip {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .tabs-nav {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .tab-btn {
    padding: 12px 14px;
    font-size: 0.9rem;
  }

  .hero-content h1 {
    font-size: 1.55rem !important;
  }

  .hero-content p {
    font-size: 0.92rem;
  }
}

/* 22. MOVIMENTO, TRANSIÇÕES E REVELAÇÃO SUAVE */
.reveal-init {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-init.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Transições em cards e imagens */
.card-service,
.card-feature,
.project-card,
.structure-card,
.stat-box,
.pill-card {
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.28s ease;
}

.card-service:hover,
.card-feature:hover,
.project-card:hover,
.structure-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(0, 37, 54, 0.12);
}

.card-media img,
.project-card img,
.gallery-card img,
.structure-card img {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-service:hover .card-media img,
.project-card:hover img,
.structure-card:hover img {
  transform: scale(1.03);
}

/* Transições em abas de Estrutura e filtros de Projetos */
.tab-panel {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.tab-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
  animation: tabFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tab-btn {
  transition: all 0.22s ease;
}

.tab-btn:hover {
  color: var(--laranja);
  background-color: var(--fundo-cinza);
}

.filter-btn {
  transition: all 0.22s ease;
}

.filter-btn:hover {
  border-color: var(--laranja);
  color: var(--laranja);
}

/* 22. SCROLL REVEAL 2.0 SEMÂNTICO & MICROINTERAÇÕES */
[data-reveal],
.reveal-init {
  opacity: 0;
  transition: opacity var(--motion-slow) var(--ease-standard),
              transform var(--motion-slow) var(--ease-emphasized);
  will-change: opacity, transform;
}

[data-reveal="up"],
.reveal-init {
  transform: translateY(16px);
}

[data-reveal="down"] {
  transform: translateY(-16px);
}

[data-reveal="left"] {
  transform: translateX(-18px);
}

[data-reveal="right"] {
  transform: translateX(18px);
}

[data-reveal="fade"] {
  transform: none;
}

[data-reveal="scale"] {
  transform: scale(0.97);
}

[data-reveal].is-revealed,
.reveal-init.is-revealed {
  opacity: 1;
  transform: none;
}

/* Efeito de Profundidade Óptica em Cards e Imagens Industriais (Container Estável) */
.card-service,
.project-card,
.structure-card {
  position: relative;
  overflow: hidden;
  transition: transform 380ms var(--ease-emphasized),
              box-shadow 380ms var(--ease-emphasized),
              border-color 280ms var(--ease-standard);
}

.card-service-image img,
.project-card-image img,
.structure-card img,
.card-media img {
  transition: transform 520ms var(--ease-image), filter 350ms ease;
  will-change: transform;
}

@media (hover: hover) and (pointer: fine) {
  .card-service:hover,
  .project-card:hover,
  .structure-card:hover {
    transform: translateY(-3px);
  }

  .card-service:hover .card-service-image img,
  .project-card:hover .project-card-image img,
  .structure-card:hover img {
    transform: scale(1.035);
  }
}

/* Spotlight Refinado com Reação Luminosa de Borda (Desktop) */
.spotlight-card {
  position: relative;
}

.spotlight-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    360px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(255, 104, 31, 0.065),
    transparent 65%
  );
  opacity: 0;
  transition: opacity var(--motion-base) var(--ease-standard);
  pointer-events: none;
  z-index: 2;
}

@media (hover: hover) and (pointer: fine) {
  .spotlight-card:hover::before {
    opacity: 1;
  }
  .spotlight-card:hover {
    border-color: rgba(255, 104, 31, 0.32);
  }
}

/* Micro-feedback tátil imediato em componentes interativos */
.btn:active,
.tab-btn:active,
.filter-btn:active,
.project-card:active {
  transform: scale(0.985) !important;
  transition-duration: 90ms !important;
}

/* Ken Burns Ultra-Leve restrito a fundos estáticos institucionais secundários */
@media (hover: hover) and (pointer: fine) {
  .hero-bg-kenburns {
    animation: kenBurnsSubtle 20s ease-in-out infinite alternate;
  }
}

@keyframes kenBurnsSubtle {
  0% { transform: scale(1); }
  100% { transform: scale(1.025); }
}

/* Conforto de Leitura e Tipografia Técnica (60-75 caracteres por linha) */
.section-desc,
.lead,
.about-feature-text p,
.company-text p,
.tech-content p {
  max-width: 68ch;
  line-height: 1.62;
}

/* Transição de entrada da página */
main {
  animation: pageContentEnter var(--motion-page-in) var(--ease-page-in);
}

/* 22. SEÇÃO DE MARCAS PARCEIRAS (CARROSSEL CONTÍNUO E GRADE ESTÁTICA) */
.section-partners {
  padding: 50px 0;
  background-color: #f7f9fa;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  overflow: hidden;
  position: relative;
}

.partners-header {
  text-align: center;
  margin-bottom: 30px;
}

.partners-header .eyebrow {
  margin-bottom: 6px;
}

.partners-header h2 {
  font-size: 1.5rem;
  color: var(--azul-escuro);
  font-weight: 700;
  margin: 0;
}

.marquee-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 8px 0;
}

/* Sombras suaves de fade-out nas bordas esquerda e direita */
.marquee-wrapper::before,
.marquee-wrapper::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 70px;
  z-index: 2;
  pointer-events: none;
}

.marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, #f7f9fa, rgba(247, 249, 250, 0));
}

.marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, #f7f9fa, rgba(247, 249, 250, 0));
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 36px;
  width: max-content;
  animation: marqueeLoop 28s linear infinite;
  will-change: transform;
}

.marquee-track:hover,
.marquee-track:focus-within,
.marquee-track.is-paused {
  animation-play-state: paused;
}

.partner-logo-item {
  flex-shrink: 0;
  background-color: #ffffff;
  border: 1px solid rgba(0, 37, 54, 0.08);
  border-radius: var(--raio-md, 8px);
  padding: 12px 24px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.partner-logo-item:hover {
  transform: translateY(-2px);
  border-color: rgba(227, 82, 5, 0.3);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.partner-logo-item picture,
.partner-logo-item img {
  max-height: 48px;
  max-width: 160px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

@keyframes marqueeLoop {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-50% - 18px));
  }
}

/* Controles de acessibilidade do carrossel */
.marquee-controls {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.marquee-pause-btn {
  background: transparent;
  border: 1px solid rgba(0, 37, 54, 0.2);
  color: var(--azul-escuro);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.marquee-pause-btn:hover,
.marquee-pause-btn:focus-visible {
  background: var(--azul-escuro);
  color: #ffffff;
  outline: 2px solid var(--laranja);
}

.marquee-pause-btn svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* Grade estática de parceiros para A USIMABE */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  max-width: 980px;
  margin: 0 auto;
}

.partners-grid .partner-logo-item {
  height: 86px;
  padding: 16px 20px;
}

.partners-grid .partner-logo-item picture,
.partners-grid .partner-logo-item img {
  max-height: 52px;
  max-width: 160px;
}

/* 23. ACESSIBILIDADE: REDUÇÃO DE MOVIMENTO (WCAG 2.2) */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  body {
    transition: none !important;
  }

  body.page-leaving {
    opacity: 1 !important;
    transform: none !important;
  }

  main {
    animation: none !important;
  }

  [data-reveal],
  .reveal-init {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-scroll-cue svg {
    animation: none !important;
  }

  .hero-anim-logo,
  .hero-anim-eyebrow,
  .hero-anim-title,
  .hero-anim-desc,
  .hero-anim-actions,
  .hero-anim-cue {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  /* Marcas parceiras estáticas com movimento reduzido */
  .marquee-track {
    animation: none !important;
    transform: none !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    width: 100% !important;
  }

  .marquee-track > [aria-hidden="true"] {
    display: none !important;
  }

  .marquee-controls {
    display: none !important;
  }
}