/* =============================================
   DIGITAL CONSULTING — LANDING PAGE
   Paleta: Azul Marinho #001F54 | Laranja #FF6B1A | Branco #FFFFFF
   ============================================= */

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

:root {
  --navy: #001F54;
  --navy-dark: #001240;
  --navy-mid: #002470;
  --orange: #FF6B1A;
  --orange-dark: #e05a0e;
  --white: #FFFFFF;
  --gray-50: #F8F9FA;
  --gray-100: #F1F3F5;
  --gray-200: #E9ECEF;
  --gray-400: #ADB5BD;
  --gray-600: #6C757D;
  --gray-800: #343A40;
  --text: #1A1A2E;
  --font: 'Inter', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,31,84,0.10);
  --shadow-lg: 0 8px 40px rgba(0,31,84,0.16);
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- UTILITY ---- */
.text-orange { color: var(--orange); }

.section-badge {
  display: inline-block;
  background: rgba(255,107,26,0.12);
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-badge--light {
  background: rgba(255,107,26,0.18);
  color: #FFB085;
}

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

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 16px;
}
.section-title--light { color: var(--white); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 640px;
  margin: 0 auto;
}
.section-subtitle--light { color: rgba(255,255,255,0.75); }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--lg { padding: 16px 32px; font-size: 1rem; }
.btn--full { width: 100%; justify-content: center; }

.btn--orange {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}
.btn--orange:hover { background: var(--orange-dark); border-color: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,26,0.35); }

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn--ghost:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

.btn--outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
  padding: 10px 22px;
  font-size: 0.9rem;
}
.btn--outline-white:hover { background: var(--orange); border-color: var(--orange); }

.btn--whatsapp {
  background: #25D366;
  color: var(--white);
  border-color: #25D366;
}
.btn--whatsapp:hover { background: #1ebe5c; border-color: #1ebe5c; transform: translateY(-2px); }

/* ---- HEADER ---- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(0,18,64,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
}
.header.scrolled { background: rgba(0,18,64,0.98); box-shadow: 0 2px 20px rgba(0,0,0,0.3); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo img { height: 36px; width: auto; }

.header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.header__nav a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.header__nav a:hover { white; }

.header__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.header__menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.header__mobile-nav {
  display: none;
  flex-direction: column;
  padding: 16px 24px 20px;
  background: var(--navy-dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  gap: 4px;
}
.header__mobile-nav.open { display: flex; }
.mobile-link {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  font-weight: 500;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color var(--transition);
}
.mobile-link:last-child { border-bottom: none; margin-top: 8px; text-align: center; }
.mobile-link:hover { color: var(--orange); }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, #003080 100%);
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(255,107,26,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,80,200,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero__bg-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='0.02'%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");
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,107,26,0.15);
  border: 1px solid rgba(255,107,26,0.3);
  color: #FFB085;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero__badge::before { content: '★'; color: var(--orange); }

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  max-width: 620px;
  line-height: 1.7;
}

.hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.hero__stat {
  display: flex;
  flex-direction: column;
}
.hero__stat strong {
  font-size: 2rem;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
}
.hero__stat span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-top: 2px;
}
.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---- PAIN SECTION ---- */
.pain-section {
  background: var(--gray-50);
  padding: 72px 0;
  border-bottom: 1px solid var(--gray-200);
}
.pain-section__lead {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 40px;
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}
.pain-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all var(--transition);
}
.pain-card:hover { border-color: var(--orange); box-shadow: var(--shadow); transform: translateY(-3px); }
.pain-card__icon { font-size: 1.8rem; }
.pain-card p { font-size: 0.95rem; color: var(--gray-800); line-height: 1.6; }

.pain-section__conclusion {
  text-align: center;
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}
.pain-section__conclusion strong { color: var(--navy); }

/* ---- FRENTES ---- */
.frentes { padding: 96px 0; background: var(--white); }

.frentes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.frente-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
}
.frente-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--navy);
  transition: background var(--transition);
}
.frente-card:hover { border-color: var(--navy); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.frente-card:hover::before { background: var(--orange); }

.frente-card--highlight {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-color: var(--navy);
  color: var(--white);
}
.frente-card--highlight::before { background: var(--orange); }
.frente-card--highlight h3 { color: var(--white); }
.frente-card--highlight p { color: rgba(255,255,255,0.8); }
.frente-card--highlight .frente-card__number { color: rgba(255,255,255,0.2); }
.frente-card--highlight .frente-card__icon { border-color: rgba(255,255,255,0.15); background: rgba(255,255,255,0.08); }
.frente-card--highlight .frente-card__icon svg { stroke: var(--orange); }
.frente-card--highlight .frente-card__list li { color: rgba(255,255,255,0.75); }
.frente-card--highlight .frente-card__list li::before { background: var(--orange); }

.frente-card__number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--gray-100);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.frente-card__icon {
  width: 52px; height: 52px;
  border: 1.5px solid var(--gray-200);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: var(--gray-50);
}
.frente-card__icon svg { width: 26px; height: 26px; stroke: var(--navy); }

.frente-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 12px;
}
.frente-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.65;
  margin-bottom: 20px;
}

.frente-card__list { display: flex; flex-direction: column; gap: 8px; }
.frente-card__list li {
  font-size: 0.85rem;
  color: var(--gray-600);
  padding-left: 16px;
  position: relative;
}
.frente-card__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  background: var(--orange);
  border-radius: 50%;
}

.frente-card__tag {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  margin-top: 16px;
}

/* ---- DIFERENCIAIS ---- */
.diferenciais {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  padding: 96px 0;
}

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

.diferenciais__text { display: flex; flex-direction: column; gap: 24px; }
.diferenciais__text .section-title { margin-bottom: 0; }
.diferenciais__text .section-subtitle { margin: 0; }

.diferenciais__cards { display: flex; flex-direction: column; gap: 24px; }

.diferencial-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.diferencial-item__icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: var(--orange);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.9rem;
  margin-top: 2px;
}
.diferencial-item strong {
  display: block;
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 4px;
}
.diferencial-item p { color: rgba(255,255,255,0.65); font-size: 0.9rem; }

/* ---- CASES ---- */
.cases { padding: 96px 0; background: var(--gray-50); }

/* Cards de resultados por frente */
.cases-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 72px;
}

.cases-result-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cases-result-card:hover { border-color: var(--orange); box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.cases-result-card__icon {
  width: 48px; height: 48px;
  background: rgba(0,31,84,0.06);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cases-result-card__icon svg { width: 24px; height: 24px; stroke: var(--navy); }

.cases-result-card h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--navy);
}
.cases-result-card p {
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.65;
  flex: 1;
}
.cases-result-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.cases-result-card__tags span {
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--gray-200);
}

/* Carrossel de logos */
.logos-section {
  border-top: 1px solid var(--gray-200);
  padding-top: 48px;
}
.logos-section__label {
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 32px;
}

.logos-track-wrapper {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.logos-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: logoScroll 32s linear infinite;
}
.logos-track:hover { animation-play-state: paused; }

@keyframes logoScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.logo-item {
  flex-shrink: 0;
  width: 160px;
  height: 80px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px 16px;
  transition: all var(--transition);
}
.logo-item:hover { border-color: var(--orange); box-shadow: var(--shadow); }

.logo-item__text {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--navy);
  text-align: center;
  line-height: 1.2;
}
.logo-item__sub {
  font-size: 0.7rem;
  color: var(--gray-400);
  text-align: center;
}

.logo-item__img {
  max-width: 120px;
  max-height: 48px;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.5);
  transition: filter var(--transition);
}
.logo-item:hover .logo-item__img { filter: grayscale(0%) opacity(1); }

.logo-item--placeholder {
  border-style: dashed;
  border-color: var(--gray-200);
  background: var(--gray-50);
  position: relative;
}
.logo-item--placeholder::after {
  content: 'Logo em breve';
  font-size: 0.7rem;
  color: var(--gray-400);
  font-weight: 500;
  text-align: center;
  position: absolute;
}

/* ---- EXPERTISE ---- */
.expertise { padding: 96px 0; background: var(--white); }

.expertise__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
}

.expertise__visual {
  position: relative;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius-lg);
  padding: 48px 32px 32px;
  min-height: 380px;
  display: flex;
  align-items: flex-end;
}

.expertise__pillars {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  width: 100%;
  height: 200px;
}
.pillar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  height: 100%;
  justify-content: flex-end;
}
.pillar__bar {
  width: 100%;
  background: rgba(255,255,255,0.25);
  border-radius: 6px 6px 0 0;
  transition: height 1s ease;
}
.pillar__bar--orange { background: var(--orange); }
.pillar span {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.6);
  text-align: center;
  font-weight: 600;
}

.expertise__years-badge {
  position: absolute;
  top: 24px; right: 24px;
  background: var(--orange);
  border-radius: var(--radius);
  padding: 16px 20px;
  text-align: center;
  color: var(--white);
}
.expertise__years-badge strong {
  display: block;
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1;
}
.expertise__years-badge span { font-size: 0.75rem; opacity: 0.9; }

.expertise__text { display: flex; flex-direction: column; gap: 20px; }
.expertise__text p { font-size: 0.95rem; color: var(--gray-600); line-height: 1.75; }

.expertise__credentials { display: flex; flex-direction: column; gap: 16px; margin-top: 8px; }
.credential {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 16px;
  border-left: 3px solid var(--orange);
}
.credential strong { font-size: 0.95rem; color: var(--navy); font-weight: 700; }
.credential span { font-size: 0.85rem; color: var(--gray-600); }

/* ---- CONTATO ---- */
.contato {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  padding: 96px 0;
}

.contato__inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}

.contato__text { display: flex; flex-direction: column; gap: 24px; }
.contato__text .section-title { margin-bottom: 0; }

.contato__whatsapp {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.contato__whatsapp p { color: rgba(255,255,255,0.6); font-size: 0.9rem; }

.contato__form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-lg);
}

.contato__form { 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; }
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(0,31,84,0.08);
}
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #e53e3e;
}
.form-group textarea { resize: vertical; min-height: 100px; }

.form-disclaimer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--gray-400);
  margin-top: -8px;
}

.form-success {
  text-align: center;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.form-success__icon {
  width: 64px; height: 64px;
  background: #48BB78;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 900;
}
.form-success h3 { font-size: 1.4rem; color: var(--navy); }
.form-success p { color: var(--gray-600); font-size: 0.95rem; max-width: 320px; }

/* ---- FOOTER ---- */
.footer {
  background: black;
  padding: 64px 0 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer__logo { height: 32px; margin-bottom: 16px; }
.footer__brand p { color: rgba(255,255,255,0.5); font-size: 0.88rem; line-height: 1.6; max-width: 280px; }

.footer__links, .footer__contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links h4, .footer__contact h4 {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.footer__links a, .footer__contact a {
  color: rgba(255,255,255,0.5);
  font-size: 0.88rem;
  transition: color var(--transition);
}
.footer__links a:hover, .footer__contact a:hover { color: var(--orange); }

.footer__bottom {
  padding: 20px 0;
  text-align: center;
}
.footer__bottom p { color: rgba(255,255,255,0.3); font-size: 0.8rem; }

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px; height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: all var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.55); }
.whatsapp-float svg { color: var(--white); }

.whatsapp-float__tooltip {
  position: absolute;
  right: 72px;
  background: var(--gray-800);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.whatsapp-float__tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--gray-800);
}
.whatsapp-float:hover .whatsapp-float__tooltip { opacity: 1; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .diferenciais__inner,
  .expertise__inner,
  .contato__inner { grid-template-columns: 1fr; gap: 48px; }

  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }

  .header__nav { display: none; }
  .header__menu-toggle { display: flex; }
}

@media (max-width: 600px) {
  .hero { padding: 100px 0 60px; }
  .hero__ctas { flex-direction: column; }
  .hero__stats { gap: 16px; }
  .hero__stat-divider { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .contato__form-wrap { padding: 28px 20px; }
  .frentes-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: 1fr; }
  .expertise__visual { min-height: 280px; }
}