/* =============================================
   ALFAENG ESTRUTURAL — style.css
   Identidade: Navy #1a2b4a | Laranja #f97316 | Cinza #6b7280
   ============================================= */

/* Bootstrap Icons — carregado via css/bootstrap-icons.css */

/* Animação spin para ícone de carregamento */
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}



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

:root {
  --navy:      #1a2b4a;
  --navy-dark: #111e35;
  --navy-mid:  #243455;
  --orange:    #f97316;
  --orange-dk: #ea6a0a;
  --steel:     #6b7280;
  --steel-lt:  #9ca3af;
  --white:     #ffffff;
  --off-white: #f8f9fa;
  --light-bg:  #f1f3f7;
  --border:    #e5e7eb;
  --text:      #1f2937;
  --text-mid:  #374151;
  --text-lt:   #6b7280;
  --font-body: 'Inter', sans-serif;
  --font-head: 'Rajdhani', sans-serif;
  --shadow-sm: 0 2px 8px rgba(26,43,74,.08);
  --shadow-md: 0 6px 24px rgba(26,43,74,.12);
  --shadow-lg: 0 16px 48px rgba(26,43,74,.18);
  --radius:    12px;
  --radius-sm: 8px;
  --transition: .3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  background: rgba(249, 115, 22, 0.1);
  color: var(--orange);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 14px;
  border: 1px solid rgba(249, 115, 22, 0.25);
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
}

.section-title .highlight {
  color: var(--orange);
}

.section-desc {
  margin-top: 14px;
  color: var(--steel);
  font-size: 1.05rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .04em;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--orange-dk);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249,115,22,.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
}

.btn-full { width: 100%; justify-content: center; }

.btn-primary-small {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--orange);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary-small:hover {
  background: var(--orange-dk);
  transform: translateY(-2px);
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: #25d366;
  color: var(--white);
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 10px;
  width: 100%;
  justify-content: center;
}
.btn-whatsapp:hover {
  background: #1eb856;
  transform: translateY(-2px);
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  background: transparent;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: var(--navy-dark);
  padding: 12px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  line-height: 1;
}

.nav-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  /* logo tem fundo branco, aplicamos fundo ligeiramente transparente arredondado */
  background: rgba(255,255,255,0.92);
  border-radius: 8px;
  padding: 4px 10px;
  transition: opacity var(--transition);
}

.nav-logo-img:hover { opacity: .85; }

.navbar.scrolled .nav-logo-img {
  background: rgba(255,255,255,0.95);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--white);
  background: rgba(255,255,255,.08);
}

.nav-cta {
  font-weight: 600;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 6px;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, #1e3a5f 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.025'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(249,115,22,.15);
  border: 1px solid rgba(249,115,22,.35);
  color: #fbbf80;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .06em;
  margin-bottom: 24px;
}

.hero-title {
  line-height: 1.05;
  margin-bottom: 20px;
}

.hero-logo-img {
  height: 120px;
  width: auto;
  max-width: 480px;
  object-fit: contain;
  background: rgba(255,255,255,0.92);
  border-radius: 14px;
  padding: 12px 28px;
  margin: 0 auto;
  display: block;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,.35));
}

.hero-title .brand {
  color: var(--orange);
  display: block;
}

.hero-subtitle {
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  color: rgba(255,255,255,.75);
  letter-spacing: .08em;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,.7);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-desc strong { color: rgba(255,255,255,.9); }

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  padding: 28px 40px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
  max-width: 720px;
  margin: 0 auto;
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.stat-label {
  font-size: .78rem;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-top: 4px;
  display: block;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.15);
}

.hero-scroll-down {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.4);
  font-size: 1.2rem;
  animation: bounce 2s infinite;
  transition: color var(--transition);
}

.hero-scroll-down:hover { color: var(--orange); }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* =============================================
   SOBRE
   ============================================= */
.sobre { background: var(--white); }

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.sobre-text p {
  color: var(--text-mid);
  margin-bottom: 16px;
  font-size: .98rem;
}

.sobre-text .section-title { text-align: left; margin-bottom: 24px; }
.sobre-text .section-label { display: inline-block; margin-bottom: 12px; }

.sobre-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 500;
  color: var(--navy);
}

.chip i { color: var(--orange); }

/* Visual hexagonal */
.sobre-visual {
  position: relative;
  height: 380px;
}

.visual-card {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 90px;
  height: 90px;
  background: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border);
  transition: var(--transition);
  cursor: default;
}

.visual-card:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-lg);
}

.vc-5:hover {
  transform: translate(-50%, -50%) scale(1.08);
}

.visual-card i { font-size: 1.4rem; color: var(--orange); }
.visual-card span { font-size: .65rem; font-weight: 600; color: var(--navy); text-transform: uppercase; letter-spacing: .04em; text-align: center; line-height: 1.3; }

.vc-1 { top: 10%;  left: 10%; }
.vc-2 { top: 10%;  right: 10%; }
.vc-3 { bottom: 10%; left: 10%; }
.vc-4 { bottom: 10%; right: 10%; }
.vc-5 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  z-index: 2;
}

.visual-center { display: none; }

/* =============================================
   MISSÃO, VISÃO E VALORES
   ============================================= */
.mvv {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  position: relative;
  overflow: hidden;
}

.mvv::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 64px 64px;
}

.mvv .section-header { position: relative; z-index: 2; }
.mvv .section-title { color: var(--white); }
.mvv .section-label {
  background: rgba(249,115,22,.2);
  border-color: rgba(249,115,22,.35);
}

.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
  z-index: 2;
}

.mvv-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.mvv-card:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(249,115,22,.4);
  transform: translateY(-4px);
}

.mvv-destaque {
  background: rgba(249, 115, 22, 0.12);
  border-color: rgba(249, 115, 22, 0.4);
  position: relative;
}

.mvv-destaque::before {
  content: '★';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--orange);
  color: var(--white);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .6rem;
  line-height: 24px;
  text-align: center;
}

.mvv-icon {
  width: 64px;
  height: 64px;
  background: var(--orange);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(249,115,22,.35);
}

.mvv-icon i { font-size: 1.5rem; color: var(--white); }

.mvv-card h3 {
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.mvv-card p {
  color: rgba(255,255,255,.75);
  font-size: .95rem;
  line-height: 1.7;
}

.mvv-card p strong { color: rgba(255,255,255,.95); }

.mvv-list {
  text-align: left;
  space-y: 8px;
}

.mvv-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  color: rgba(255,255,255,.8);
  font-size: .92rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.mvv-list li:last-child { border-bottom: none; }

.mvv-list li i { color: var(--orange); font-size: .75rem; flex-shrink: 0; }

/* =============================================
   SERVIÇOS
   ============================================= */
.servicos { background: var(--light-bg); }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--orange);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card-icon i { font-size: 1.3rem; color: var(--orange); }

.card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  letter-spacing: .03em;
}

.card p {
  color: var(--text-lt);
  font-size: .9rem;
  margin-bottom: 16px;
  line-height: 1.65;
}

.card-list { padding-left: 0; }

.card-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-mid);
  padding: 5px 0;
  border-bottom: 1px solid var(--light-bg);
}

.card-list li::before {
  content: '›';
  color: var(--orange);
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}

.card-list li:last-child { border-bottom: none; }

/* =============================================
   ENSAIOS NÃO DESTRUTIVOS
   ============================================= */
.end-section { background: var(--white); }

.end-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.end-card {
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.end-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--navy);
  transition: background var(--transition);
}

.end-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--navy);
}

.end-highlight::before { background: var(--orange); }

.end-highlight {
  border-color: rgba(249,115,22,.3);
  background: rgba(249,115,22,.04);
}

.end-icon {
  width: 48px;
  height: 48px;
  background: var(--navy);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
}

.end-icon i { font-size: 1.1rem; color: var(--orange); }

.end-sigla {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 4px;
}

.end-highlight .end-sigla { color: var(--orange); }

.end-card h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 10px;
  font-weight: 600;
}

.end-card p {
  font-size: .85rem;
  color: var(--text-lt);
  line-height: 1.6;
  margin-bottom: 12px;
}

.end-tag {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  font-size: .72rem;
  padding: 4px 10px;
  border-radius: 50px;
  letter-spacing: .04em;
}

.end-highlight .end-tag { background: var(--orange); }

/* =============================================
   CASOS DE SUCESSO
   ============================================= */
.casos { background: var(--white); }

/* ===== CASOS DE SUCESSO — LAYOUT BANNER ===== */
.casos-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 48px;
}

.caso-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 28px rgba(26,43,74,.08);
  transition: transform .3s, box-shadow .3s;
}

.caso-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(26,43,74,.14);
}

/* Card com layout banner: imagem à esquerda + corpo à direita */
.caso-banner-card {
  display: grid;
  grid-template-columns: 420px 1fr;
  min-height: 340px;
}

.caso-banner-card:nth-child(even) {
  grid-template-columns: 1fr 420px;
}

.caso-banner-card:nth-child(even) .caso-banner-img {
  order: 2;
}

.caso-banner-card:nth-child(even) .caso-banner-body {
  order: 1;
}

/* Imagem banner */
.caso-banner-img {
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
  background: var(--navy-dark);
}

.caso-banner-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform .5s ease;
}

.caso-banner-img:hover img {
  transform: scale(1.05);
}

.caso-img-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(10,15,30,.85));
  color: #fff;
  font-size: .72rem;
  font-weight: 500;
  padding: 28px 12px 10px;
  text-align: center;
  letter-spacing: .04em;
  opacity: 0;
  transition: opacity .3s;
}

.caso-banner-img:hover .caso-img-label { opacity: 1; }

/* Corpo do card */
.caso-banner-body {
  display: flex;
  flex-direction: column;
  padding: 0;
  border-left: 1px solid var(--border);
}

.caso-banner-card:nth-child(even) .caso-banner-body {
  border-left: none;
  border-right: 1px solid var(--border);
}

.caso-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px 0;
  gap: 12px;
}

.caso-num {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 700;
  color: var(--light-bg);
  line-height: 1;
  user-select: none;
  letter-spacing: -.02em;
}

.caso-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(249,115,22,.1);
  border: 1px solid rgba(249,115,22,.25);
  color: var(--orange);
  font-size: .73rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 50px;
  letter-spacing: .04em;
  white-space: nowrap;
}

.caso-title {
  font-family: var(--font-head);
  font-size: 1.13rem;
  font-weight: 700;
  color: var(--navy);
  padding: 10px 26px 6px;
  line-height: 1.35;
}

.caso-desc {
  font-size: .87rem;
  color: var(--gray);
  line-height: 1.75;
  padding: 0 26px 10px;
  flex: 1;
}

.caso-desc strong { color: var(--navy); }

/* Lista de etapas */
.caso-etapas {
  list-style: none;
  padding: 0 26px 10px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.caso-etapas li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: .82rem;
  color: var(--gray);
  font-weight: 500;
}

.caso-etapas li i {
  color: var(--orange);
  font-size: .78rem;
  width: 16px;
  flex-shrink: 0;
}

/* Resultado */
.caso-resultado {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 6px 26px 22px;
  background: linear-gradient(135deg, rgba(26,43,74,.04), rgba(249,115,22,.06));
  border: 1px solid rgba(249,115,22,.2);
  border-left: 4px solid var(--orange);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: .84rem;
  color: var(--navy-dark);
  line-height: 1.5;
}

.caso-resultado i { color: var(--orange); font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.caso-resultado strong { color: var(--orange); }

/* ---- Lightbox ---- */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,15,30,.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  cursor: zoom-out;
}

.lightbox-overlay.active { display: flex; }

.lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
  object-fit: contain;
  cursor: default;
}

.lightbox-caption {
  color: rgba(255,255,255,.65);
  font-size: .85rem;
  text-align: center;
  max-width: 600px;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
}

.lightbox-close:hover { background: rgba(249,115,22,.6); }

/* Responsive casos */
@media (max-width: 1024px) {
  .caso-banner-card,
  .caso-banner-card:nth-child(even) {
    grid-template-columns: 1fr;
  }
  .caso-banner-card:nth-child(even) .caso-banner-img { order: 0; }
  .caso-banner-card:nth-child(even) .caso-banner-body { order: 0; }
  .caso-banner-img { min-height: 280px; }
  .caso-banner-body { border-left: none !important; border-right: none !important; border-top: 1px solid var(--border); }
}

@media (max-width: 640px) {
  .caso-banner-img { min-height: 220px; }
  .caso-num { font-size: 2.4rem; }
  .caso-header { padding: 18px 18px 0; flex-wrap: wrap; }
  .caso-title { padding: 10px 18px 6px; font-size: 1rem; }
  .caso-desc { padding: 0 18px 10px; font-size: .84rem; }
  .caso-etapas { padding: 0 18px 10px; }
  .caso-resultado { margin: 6px 18px 18px; }
}

/* =============================================
   ÁREAS DE ATUAÇÃO
   ============================================= */
.atuacao { background: var(--light-bg); }

.atuacao-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.atuacao-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.atuacao-card:hover {
  transform: translateY(-5px);
  border-color: var(--orange);
  box-shadow: var(--shadow-md);
}

.atuacao-card i {
  font-size: 2rem;
  color: var(--navy);
  display: block;
  margin-bottom: 14px;
  transition: color var(--transition);
}

.atuacao-card:hover i { color: var(--orange); }

.atuacao-card h4 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 8px;
  font-weight: 600;
}

.atuacao-card p {
  font-size: .85rem;
  color: var(--text-lt);
  line-height: 1.6;
}

/* Banner nacional */
.mapa-nacional {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy-mid));
  border-radius: var(--radius);
  padding: 36px 40px;
  border: 1px solid rgba(255,255,255,.08);
}

.mapa-content {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.mapa-content > i {
  font-size: 3rem;
  color: var(--orange);
  flex-shrink: 0;
}

.mapa-content div { flex: 1; min-width: 200px; }

.mapa-content h3 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 8px;
}

.mapa-content p {
  color: rgba(255,255,255,.7);
  font-size: .9rem;
  line-height: 1.6;
}

/* =============================================
   DIFERENCIAIS
   ============================================= */
.diferenciais { background: var(--white); }

.diferenciais-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.dif-card {
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  transition: var(--transition);
  background: var(--white);
}

.dif-card:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.dif-num {
  position: absolute;
  top: 20px; right: 20px;
  font-family: var(--font-head);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--light-bg);
  line-height: 1;
  transition: color var(--transition);
}

.dif-card:hover .dif-num { color: rgba(249,115,22,.15); }

.dif-card > i {
  font-size: 1.6rem;
  color: var(--orange);
  margin-bottom: 14px;
  display: block;
}

.dif-card h4 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 10px;
}

.dif-card p {
  font-size: .87rem;
  color: var(--text-lt);
  line-height: 1.65;
}

/* =============================================
   PROCESSO
   ============================================= */
.processo {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  position: relative;
  overflow: hidden;
}

.processo::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 64px 64px;
}

.processo .section-header { position: relative; z-index: 2; }
.processo .section-title { color: var(--white); }
.processo .section-label {
  background: rgba(249,115,22,.2);
  border-color: rgba(249,115,22,.35);
}

.processo-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  position: relative;
}

.step:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  min-width: 60px;
  flex-shrink: 0;
}

.step-content h4 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 8px;
  font-weight: 600;
}

.step-content p {
  color: rgba(255,255,255,.65);
  font-size: .9rem;
  line-height: 1.65;
}

/* =============================================
   CONTATO
   ============================================= */
.contato { background: var(--light-bg); }

.contato-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}

/* Formulário */
.contato-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
  letter-spacing: .02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--off-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--text);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--orange);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(249,115,22,.12);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
}

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

.form-privacy {
  text-align: center;
  font-size: .78rem;
  color: var(--text-lt);
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.form-privacy i { color: var(--orange); }

.form-success {
  text-align: center;
  padding: 40px 20px;
}

.form-success i {
  font-size: 3rem;
  color: #22c55e;
  display: block;
  margin-bottom: 16px;
}

.form-success h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 8px;
}

.form-success p { color: var(--text-lt); }

/* Informações de contato */
.contato-info { display: flex; flex-direction: column; gap: 16px; }

.info-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.info-icon {
  width: 44px;
  height: 44px;
  background: var(--navy);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-icon i { font-size: 1rem; color: var(--orange); }

.info-card h4 {
  font-size: .78rem;
  font-weight: 600;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 2px;
}

.info-card p {
  font-size: .9rem;
  color: var(--navy);
  font-weight: 500;
}

.redes-sociais h4 {
  font-size: .78rem;
  font-weight: 600;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 10px;
}

.redes-links {
  display: flex;
  gap: 10px;
}

.rede-link {
  width: 40px;
  height: 40px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  transition: var(--transition);
}

.rede-link:hover { background: var(--orange); transform: translateY(-2px); }
.whatsapp-link:hover { background: #25d366; }

.cta-box {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy-mid));
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.cta-box i {
  font-size: 2rem;
  color: var(--orange);
  display: block;
  margin-bottom: 10px;
}

.cta-box h4 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--white);
  margin-bottom: 8px;
}

.cta-box p {
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--navy-dark);
  padding-top: 60px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand .footer-logo {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}

.footer-logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  background: rgba(255,255,255,0.92);
  border-radius: 8px;
  padding: 6px 14px;
  margin-bottom: 14px;
}

.footer-brand p {
  color: rgba(255,255,255,.55);
  font-size: .88rem;
  line-height: 1.7;
  margin-bottom: 8px;
}

.footer-location {
  font-size: .82rem !important;
  color: var(--orange) !important;
  font-weight: 500;
}

.footer-links h5,
.footer-contact h5 {
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-links ul li {
  margin-bottom: 8px;
}

.footer-links ul li a {
  color: rgba(255,255,255,.55);
  font-size: .88rem;
  transition: color var(--transition);
}

.footer-links ul li a:hover { color: var(--orange); }

.footer-contact p {
  color: rgba(255,255,255,.55);
  font-size: .88rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact p i { color: var(--orange); width: 14px; }

.footer-redes {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.footer-redes a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.6);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  transition: var(--transition);
}

.footer-redes a:hover { background: var(--orange); color: var(--white); }

.footer-bottom {
  padding: 20px 0;
}

.footer-bottom p {
  text-align: center;
  color: rgba(255,255,255,.3);
  font-size: .82rem;
}

/* =============================================
   BOTÃO VOLTAR AO TOPO
   ============================================= */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(249,115,22,.4);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 900;
}

.back-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-top:hover {
  background: var(--orange-dk);
  transform: translateY(-3px);
}

/* =============================================
   RESPONSIVO
   ============================================= */
@media (max-width: 1024px) {
  .sobre-grid   { grid-template-columns: 1fr; gap: 40px; }
  .sobre-visual { height: 300px; }
  .mvv-grid     { grid-template-columns: 1fr; gap: 20px; }
  .cards-grid   { grid-template-columns: repeat(2, 1fr); }
  .end-grid     { grid-template-columns: repeat(2, 1fr); }
  .atuacao-grid { grid-template-columns: repeat(2, 1fr); }
  .diferenciais-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0;
    background: var(--navy-dark);
    padding: 80px 24px 32px;
    gap: 8px;
    z-index: 999;
  }

  .nav-menu.open { display: flex; }
  .nav-toggle { display: block; z-index: 1000; }

  .nav-link { font-size: 1.05rem; padding: 12px 16px; }

  .hero-stats { gap: 16px; padding: 20px 24px; }
  .stat-divider { display: none; }

  .cards-grid        { grid-template-columns: 1fr; }
  .end-grid          { grid-template-columns: 1fr; }
  .atuacao-grid      { grid-template-columns: 1fr; }
  .diferenciais-grid { grid-template-columns: 1fr; }
  .contato-grid      { grid-template-columns: 1fr; }
  .footer-inner      { grid-template-columns: 1fr; }

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

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

  .contato-form { padding: 28px 20px; }

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

@media (max-width: 480px) {
  .hero-title { font-size: 2.5rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-stats { padding: 16px; }
  .stat-number { font-size: 1.4rem; }

  .sobre-visual { height: 240px; }
  .visual-card  { width: 72px; height: 72px; }
  .vc-hex       { width: 90px; height: 90px; }
}