/* ===========================
   IDUNA — CSS
   =========================== */

:root {
  --orange: #E84A1B;
  --orange-dark: #C43A12;
  --orange-glow: rgba(232, 74, 27, 0.15);
  --bg: #080808;
  --bg-2: #0e0e0e;
  --bg-3: #141414;
  --bg-4: #1a1a1a;
  --border: rgba(255,255,255,0.06);
  --border-orange: rgba(232, 74, 27, 0.3);
  --text: #ffffff;
  --text-2: #a0a0a0;
  --text-3: #666666;
  --radius: 12px;
  --radius-lg: 20px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ===========================
   UTILITIES
   =========================== */

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--orange);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

.section-desc {
  font-size: 17px;
  color: var(--text-2);
  max-width: 560px;
  margin-top: 16px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header .section-label { justify-content: center; }
.section-header .section-label::before { display: none; }
.section-header .section-desc { margin: 16px auto 0; }

/* BUTTONS */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--orange);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(232, 74, 27, 0.25);
}
.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(232, 74, 27, 0.35);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-2);
  font-weight: 500;
  font-size: 15px;
  padding: 14px 24px;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.2);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  background: var(--orange);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 8px;
  transition: background 0.2s;
}
.btn-nav:hover { background: var(--orange-dark); }

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

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

/* ===========================
   NAVBAR
   =========================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(8, 8, 8, 0);
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}
.navbar.scrolled {
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}

.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-right: auto;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 16px 24px 20px;
  border-top: 1px solid var(--border);
  background: rgba(8, 8, 8, 0.97);
}
.nav-mobile.open { display: flex; }
.mobile-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-link:hover { color: var(--text); }

/* ===========================
   HERO
   =========================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  max-width: 1160px;
  margin: 0 auto;
  gap: 60px;
}

.hero-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 80%, rgba(232, 74, 27, 0.06) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(232, 74, 27, 0.04) 0%, transparent 50%),
                    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.015) 0%, transparent 60%);
}
.hero-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 0%, transparent 100%);
}

.hero-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(232, 74, 27, 0.12) 0%, rgba(232, 74, 27, 0.04) 40%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  flex: 1;
  max-width: 640px;
}

.hero-motto {
  font-size: clamp(13px, 1.5vw, 16px);
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: transparent;
  background: linear-gradient(90deg, var(--orange) 0%, #ff8c5a 50%, var(--orange) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shimmer 3s linear infinite;
  margin-bottom: 32px;
  display: block;
}

@keyframes shimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 13px;
  color: var(--text-3);
  font-weight: 400;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

.hero-visual {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: 380px;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}
.orb-1 {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(232,74,27,0.12) 0%, transparent 70%);
  animation-delay: 0s;
}
.orb-2 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(232,74,27,0.18) 0%, transparent 70%);
  animation-delay: -3s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.hero-logo-mark {
  position: relative;
  z-index: 2;
  opacity: 0.15;
  filter: grayscale(1) brightness(10);
  width: 280px;
}

/* ===========================
   SOBRE
   =========================== */

.sobre {
  padding: 120px 0;
  background: var(--bg);
}

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.sobre-text p {
  font-size: 16px;
  color: var(--text-2);
  margin-bottom: 20px;
  line-height: 1.8;
}
.sobre-text .section-title { margin-bottom: 24px; }
.sobre-text .btn-primary { margin-top: 12px; }

.sobre-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sobre-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: border-color 0.2s, background 0.2s;
}
.sobre-card:hover {
  border-color: var(--border-orange);
  background: var(--bg-4);
}

.card-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: var(--orange);
  padding: 8px;
  background: var(--orange-glow);
  border-radius: 8px;
}
.card-icon svg { width: 24px; height: 24px; }

.sobre-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}
.sobre-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

/* ===========================
   SERVIÇOS
   =========================== */

.servicos {
  padding: 120px 0;
  background: var(--bg-2);
}

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

.servico-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.servico-card:hover {
  border-color: var(--border-orange);
  background: var(--bg-4);
  transform: translateY(-3px);
}
.servico-card.featured {
  border-color: var(--border-orange);
  background: linear-gradient(135deg, rgba(232,74,27,0.05) 0%, var(--bg-3) 100%);
}

.servico-icon {
  width: 48px;
  height: 48px;
  color: var(--orange);
  background: var(--orange-glow);
  border-radius: 10px;
  padding: 11px;
  margin-bottom: 20px;
}
.servico-icon svg { width: 26px; height: 26px; }

.servico-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.servico-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 20px;
}

.servico-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.servico-list li {
  font-size: 13px;
  color: var(--text-3);
  padding-left: 16px;
  position: relative;
}
.servico-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
  opacity: 0.7;
}

/* ===========================
   VALORES
   =========================== */

.valores {
  padding: 120px 0;
  background: var(--bg-2);
}

.valores-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.valor-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color 0.2s, background 0.2s;
}
.valor-item:hover {
  border-color: var(--border-orange);
  background: var(--bg-4);
}

.valor-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  background: var(--orange-glow);
  border: 1px solid var(--border-orange);
  border-radius: 4px;
  padding: 3px 7px;
  flex-shrink: 0;
  letter-spacing: 0.05em;
  margin-top: 1px;
}

.valor-item p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.5;
  margin: 0;
}

/* ===========================
   EMPRESAS DO GRUPO
   =========================== */

.empresas {
  padding: 120px 0;
  background: var(--bg-2);
}

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

.empresa-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.empresa-card:hover {
  border-color: var(--border-orange);
  background: var(--bg-4);
  transform: translateY(-3px);
}

.empresa-logo {
  height: 56px;
  display: flex;
  align-items: center;
}
.empresa-logo img {
  max-height: 56px;
  max-width: 160px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.85;
  transition: opacity 0.2s;
}
.empresa-card:hover .empresa-logo img {
  opacity: 1;
}

.empresa-logo-text {
  background: var(--orange-glow);
  border: 1px solid var(--border-orange);
  border-radius: 8px;
  padding: 10px 18px;
  align-self: flex-start;
}
.empresa-logo-text span {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.empresa-info h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.empresa-info p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

/* ===========================
   ÁREAS DE ATUAÇÃO — GRID
   =========================== */

.areas {
  padding: 120px 0;
  background: var(--bg);
}

.areas-scroll-wrapper {
  position: relative;
}

.areas-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.areas-btn svg { width: 20px; height: 20px; }
.areas-btn:hover {
  border-color: var(--border-orange);
  color: var(--orange);
  background: var(--bg-4);
}
.areas-btn--prev { left: -22px; }
.areas-btn--next { right: -22px; }
.areas-btn:disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

.areas-grid {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.areas-grid::-webkit-scrollbar {
  height: 4px;
}
.areas-grid::-webkit-scrollbar-track {
  background: transparent;
}
.areas-grid::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.area-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  flex: 0 0 260px;
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}
.area-card:hover {
  border-color: var(--border-orange);
  background: linear-gradient(135deg, rgba(232,74,27,0.05) 0%, var(--bg-3) 100%);
  transform: translateY(-4px);
}

.area-icon {
  width: 52px;
  height: 52px;
  color: var(--orange);
  background: var(--orange-glow);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 20px;
}
.area-icon svg { width: 28px; height: 28px; }

.area-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.area-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 20px;
}

.area-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.area-list li {
  font-size: 13px;
  color: var(--text-3);
  padding-left: 16px;
  position: relative;
}
.area-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
  opacity: 0.7;
}

/* ===========================
   DIFERENCIAIS
   =========================== */

.diferenciais {
  padding: 120px 0;
  background: var(--bg);
}

.dif-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.dif-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.dif-card:hover {
  border-color: var(--border-orange);
  background: var(--bg-4);
  transform: translateY(-3px);
}

.dif-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.dif-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  background: var(--orange-glow);
  border: 1px solid var(--border-orange);
  border-radius: 6px;
  padding: 4px 10px;
  letter-spacing: 0.05em;
}

.dif-icon {
  width: 44px;
  height: 44px;
  color: var(--orange);
  background: var(--orange-glow);
  border-radius: 10px;
  padding: 10px;
}
.dif-icon svg { width: 24px; height: 24px; }

.dif-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}
.dif-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
}

.dif-callout {
  position: relative;
  background: linear-gradient(135deg, rgba(232,74,27,0.07) 0%, var(--bg-3) 60%);
  border: 1px solid var(--border-orange);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  overflow: hidden;
}

.dif-callout-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(232,74,27,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.dif-callout-logo {
  height: 32px;
  width: auto;
  margin: 0 auto 28px;
  position: relative;
}

.dif-callout blockquote {
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  letter-spacing: -0.01em;
  max-width: 640px;
  margin: 0 auto 32px;
  position: relative;
}

.dif-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  position: relative;
}
.dif-tags span {
  font-size: 12px;
  font-weight: 600;
  color: var(--orange);
  background: var(--orange-glow);
  border: 1px solid var(--border-orange);
  padding: 5px 14px;
  border-radius: 100px;
  letter-spacing: 0.04em;
}

/* ===========================
   CONTATO
   =========================== */

.contato {
  padding: 120px 0;
  background: var(--bg-2);
}

.contato-centro {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.contato-centro .section-label { justify-content: center; }
.contato-centro .section-label::before { display: none; }

.contato-centro p {
  font-size: 16px;
  color: var(--text-2);
  margin: 16px 0 40px;
  line-height: 1.8;
}

.contato-info-centro {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 15px;
  color: var(--text-2);
}
.info-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: var(--orange);
  background: var(--orange-glow);
  border-radius: 8px;
  padding: 8px;
}
.info-icon svg { width: 24px; height: 24px; }

/* FORM */

.contato-form {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

input, select, textarea {
  background: var(--bg-4);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
input::placeholder, textarea::placeholder { color: var(--text-3); }
input:focus, select:focus, textarea:focus { border-color: var(--orange); }

select { appearance: none; cursor: pointer; }
select option { background: var(--bg-3); }

textarea { resize: vertical; min-height: 100px; }

/* ===========================
   FOOTER
   =========================== */

.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  margin-bottom: 48px;
}

.footer-brand .footer-logo {
  height: 28px;
  width: auto;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.7;
  max-width: 240px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col h5 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 14px;
  color: var(--text-3);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-3);
}
.orange { color: var(--orange); }

/* ===========================
   SCROLL REVEAL
   =========================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 900px) {
  .nav-links, .btn-nav { display: none; }
  .nav-toggle { display: flex; }

  .hero {
    flex-direction: column;
    text-align: center;
    padding: 100px 24px 60px;
    min-height: auto;
  }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }

  .sobre-grid,
  .diferenciais-inner,
  .contato-grid { grid-template-columns: 1fr; gap: 48px; }

  .servicos-grid { grid-template-columns: 1fr 1fr; }
  .empresas-grid { grid-template-columns: 1fr 1fr; }
  .valores-grid { grid-template-columns: 1fr 1fr; }
  .dif-grid { grid-template-columns: 1fr 1fr; }
  .area-card { flex: 0 0 220px; }
  .dif-callout { padding: 40px 28px; }

  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }

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

@media (max-width: 600px) {
  .servicos-grid { grid-template-columns: 1fr; }
  .empresas-grid { grid-template-columns: 1fr; }
  .valores-grid { grid-template-columns: 1fr; }
  .dif-grid { grid-template-columns: 1fr; }
  .area-card { flex: 0 0 200px; }
  .contato-info-centro { flex-direction: column; align-items: center; }
  .footer-links { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { display: none; }
  .contato-form { padding: 24px; }
}