/* Reset e Variáveis */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #00a8ff;
  --secondary-color: #0097e6;
  --dark-color: #1e272e;
  --light-color: #f5f6fa;
  --text-color: #2f3640;
  --success-color: #00d2d3;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: white;
  box-shadow: var(--shadow);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.navbar {
  padding: 1rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
}

.logo i {
  font-size: 2rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: var(--primary-color);
}

.whatsapp-btn {
  background: #25d366;
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  cursor: pointer;
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 8px;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.whatsapp-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-color);
  border-radius: 3px;
  transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 150px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>')
    no-repeat bottom;
  background-size: cover;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  animation: fadeInUp 0.8s;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  animation: fadeInUp 0.8s 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s 0.4s backwards;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s;
  display: inline-block;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: white;
  color: var(--primary-color);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary:hover {
  background: white;
  color: var(--primary-color);
}

.hero-features {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.6s backwards;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
}

.feature-item i {
  color: var(--success-color);
}

/* Sections */
section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: #636e72;
  margin-bottom: 3rem;
}

/* Serviços */
.servicos {
  background: var(--light-color);
}

.servicos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.servico-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
}

.servico-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.servico-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.servico-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.servico-card p {
  color: #636e72;
  margin-bottom: 1rem;
}

.preco {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-weight: bold;
}

/* Benefícios */
.beneficios {
  background: linear-gradient(135deg, var(--dark-color), #353b48);
  color: white;
}

.beneficios .section-title {
  color: white;
}

.beneficios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.beneficio-item {
  text-align: center;
}

.beneficio-item i {
  font-size: 3rem;
  color: var(--success-color);
  margin-bottom: 1rem;
}

.beneficio-item h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.before-after {
  position: relative;
  overflow: hidden;
  height: 300px;
}

.image-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
}

.image-wrapper {
  width: 50%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.image-wrapper img {
  width: 200%;
  height: 100%;
  object-fit: cover;
}

.antes img {
  object-position: left;
}

.depois img {
  object-position: right;
}

.badge {
  position: absolute;
  top: 15px;
  padding: 5px 15px;
  border-radius: 20px;
  font-weight: bold;
  font-size: 0.9rem;
  z-index: 10;
}

.badge-antes {
  left: 15px;
  background: #e74c3c;
  color: white;
}

.badge-depois {
  right: 15px;
  background: #27ae60;
  color: white;
}

.portfolio-item h4 {
  padding: 1rem;
  text-align: center;
  color: var(--dark-color);
}

/* Calculadora de Orçamento */
.orcamento {
  background: var(--light-color);
}

/* Carrossel de Serviços */
.servicos-carrossel {
  position: relative;
  max-width: 900px;
  margin: 0 auto 3rem;
  padding: 0 60px;
}

.carousel-container {
  overflow: hidden;
  border-radius: 20px;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.carousel-card {
  min-width: 100%;
  background: white;
  padding: 3rem 2rem;
  text-align: center;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

.carousel-card .card-icon {
  font-size: 4rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.carousel-card h3 {
  font-size: 1.8rem;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

.carousel-card p {
  color: #636e72;
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: white;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all 0.3s;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-50%) scale(1.1);
}

.prev-btn {
  left: 0;
}

.next-btn {
  right: 0;
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 2rem;
  margin-bottom: 3rem;
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #dfe6e9;
  cursor: pointer;
  transition: all 0.3s;
}

.indicator.active {
  background: var(--primary-color);
  width: 30px;
  border-radius: 6px;
}

.indicator:hover {
  background: var(--secondary-color);
}

/* Calculadora */
.calculadora-wrapper {
  max-width: 700px;
  margin: 0 auto;
}

.calculadora {
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

.servico-selecionado {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 1rem;
  border-radius: 10px;
  margin-bottom: 2rem;
  font-size: 1.2rem;
  font-weight: bold;
}

.servico-selecionado i {
  font-size: 1.5rem;
}

.calc-step {
  text-align: center;
}

.calc-step h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--dark-color);
}

.hidden {
  display: none !important;
}

.quantidade-btns,
.localizacao-btns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.qtd-btn,
.loc-btn {
  padding: 1.5rem;
  border: 2px solid #dfe6e9;
  background: white;
  border-radius: 15px;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: bold;
  transition: all 0.3s;
  color: var(--text-color);
}

.qtd-btn:hover,
.loc-btn:hover {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: white;
  transform: translateY(-3px);
}

.tipo-limpeza {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.radio-option {
  position: relative;
}

.radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
}

.radio-option label {
  display: block;
  padding: 1.5rem;
  border: 2px solid #dfe6e9;
  border-radius: 15px;
  cursor: pointer;
  transition: all 0.3s;
  text-align: left;
}

.radio-option label i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 1rem;
}

.radio-option label span {
  font-weight: bold;
  display: block;
  margin-bottom: 0.3rem;
}

.radio-option label small {
  color: #636e72;
  display: block;
}

.radio-option input[type="radio"]:checked + label {
  border-color: var(--primary-color);
  background: #e3f2fd;
}

.loc-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.loc-btn i {
  font-size: 2rem;
}

.btn-voltar {
  margin-top: 1.5rem;
  display: block;
  width: 100%;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
  background: var(--primary-color) !important;
  color: white !important;
  border: none !important;
}

.btn-voltar:hover {
  background: #1976d2 !important;
  transform: translateY(-2px);
}

.resultado-box {
  text-align: center;
}

.resultado-box i {
  font-size: 4rem;
  color: var(--success-color);
  margin-bottom: 1rem;
}

.resultado-box h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.valor-total {
  font-size: 3rem;
  font-weight: bold;
  color: var(--primary-color);
  margin: 1rem 0;
}

.aviso-valor {
  background: #fff3cd;
  border-left: 4px solid #ffc107;
  padding: 1rem 1.5rem;
  margin: 1rem auto;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #856404;
  text-align: left;
  max-width: 500px;
  line-height: 1.6;
}

.aviso-valor i {
  color: #ffc107;
  margin-right: 0.5rem;
  font-size: 1rem;
}

.detalhes-orcamento {
  background: var(--light-color);
  padding: 1.5rem;
  border-radius: 10px;
  margin: 1.5rem 0;
  text-align: left;
}

.detalhes-orcamento p {
  margin: 0.5rem 0;
  display: flex;
  justify-content: space-between;
}

.btn-whatsapp {
  width: 100%;
  margin: 1rem 0 0.5rem;
  font-size: 1.1rem;
}

.resultado-box .btn-secondary {
  background: #6c757d;
  color: white;
  border: 2px solid #6c757d;
  width: 100%;
  margin-top: 0.5rem;
}

.resultado-box .btn-secondary:hover {
  background: #5a6268;
  border-color: #5a6268;
}

/* Contato */
.contato-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.contato-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.contato-info p {
  color: #636e72;
  margin-bottom: 2rem;
}

.info-item {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
}

.info-item-link {
  text-decoration: none;
  color: inherit;
  padding: 1rem;
  border-radius: 10px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.info-item-link:hover {
  background: rgba(33, 150, 243, 0.1);
  transform: translateX(5px);
}

.info-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-top: 0.2rem;
}

.info-item a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.info-item a:hover {
  color: #1976d2;
  text-decoration: underline;
}

.info-item .fa-instagram {
  color: #e1306c;
}

.open-hours p {
  margin: 0.2rem 0;
  line-height: 1.3;
}

.open-hours span {
  font-size: 0.75rem;
  color: #95a5a6;
  font-style: italic;
}

.contato-form-wrapper {
  background: var(--light-color);
  padding: 2rem;
  border-radius: 15px;
}

.contato-form-wrapper h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--dark-color);
}

.contato-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contato-form input,
.contato-form textarea {
  padding: 1rem;
  border: 2px solid #dfe6e9;
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

.contato-form input:focus,
.contato-form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.contato-form button {
  margin-top: 0.5rem;
}

/* Footer */
.footer {
  background: var(--dark-color);
  color: white;
  padding: 2rem 0;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.footer-logo i {
  font-size: 2rem;
}

/* WhatsApp Flutuante */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #25d366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: transform 0.3s;
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

/* Animações */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Toast de Sucesso */
.toast {
  position: fixed;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: #27ae60;
  color: white;
  padding: 1rem 2rem;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  display: none;
  align-items: center;
  gap: 0.8rem;
  font-weight: bold;
  font-size: 1rem;
  z-index: 9999;
  transition: bottom 0.4s ease-in-out;
  opacity: 0;
  visibility: hidden;
}

.toast.show {
  display: flex;
  bottom: 30px;
  opacity: 1;
  visibility: visible;
}

.toast i {
  font-size: 1.5rem;
}

@keyframes slideInUp {
  from {
    bottom: -100px;
    opacity: 0;
  }
  to {
    bottom: 30px;
    opacity: 1;
  }
}

@keyframes slideOutDown {
  from {
    bottom: 30px;
    opacity: 1;
  }
  to {
    bottom: -100px;
    opacity: 0;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
    z-index: 999;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    margin: 1rem 0;
  }

  .hamburger {
    display: flex;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-features {
    flex-direction: column;
    align-items: center;
  }

  .section-title {
    font-size: 2rem;
  }

  .calculadora {
    padding: 2rem 1.5rem;
  }

  .servicos-carrossel {
    padding: 0 50px;
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .carousel-card {
    padding: 2rem 1.5rem;
  }

  .carousel-card .card-icon {
    font-size: 3rem;
  }

  .carousel-card h3 {
    font-size: 1.5rem;
  }

  .quantidade-btns,
  .localizacao-btns {
    grid-template-columns: 1fr;
  }

  .valor-total {
    font-size: 2.5rem;
  }

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

  .calc-btus-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .calc-btus-form {
    padding: 2rem 1.5rem;
  }

  .btu-valor {
    font-size: 2.5rem;
  }

  .resultado-btu-content {
    padding: 2rem 1.5rem;
  }

  .resultado-btu-content .btn {
    min-width: auto;
    width: 100%;
  }

  .toast {
    bottom: -100px;
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
    max-width: 90%;
    left: 50%;
    transform: translateX(-50%);
  }

  .toast.show {
    bottom: 20px;
  }
}

@media (max-width: 480px) {
  .whatsapp-btn {
    display: none;
  }

  .servicos-carrossel {
    padding: 0 40px;
  }

  .carousel-btn {
    width: 35px;
    height: 35px;
    font-size: 0.9rem;
  }

  .carousel-card {
    padding: 1.5rem 1rem;
  }

  .carousel-card .card-icon {
    font-size: 2.5rem;
  }

  .servico-selecionado {
    font-size: 1rem;
    padding: 0.8rem;
  }

  .hero {
    padding: 120px 0 60px;
  }

  section {
    padding: 60px 0;
  }

  .toast {
    padding: 0.7rem 1rem;
    font-size: 0.85rem;
  }
}

/* Calculadora de BTUs */
.calculadora-btus {
  padding: 80px 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.calc-btus-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  margin-top: 3rem;
}

.calc-btus-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-box {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow);
}

.info-box i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.info-box h3 {
  color: var(--dark-color);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.info-box p {
  color: var(--text-color);
  line-height: 1.6;
}

.calc-btus-form {
  background: white;
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: var(--shadow-lg);
}

.calc-btus-form .form-group {
  margin-bottom: 1.5rem;
}

.calc-btus-form label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--dark-color);
  font-weight: 600;
  font-size: 0.95rem;
}

.calc-btus-form label i {
  color: var(--primary-color);
  margin-right: 0.5rem;
}

.calc-btus-form input,
.calc-btus-form select {
  width: 100%;
  padding: 0.9rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
  font-family: inherit;
}

.calc-btus-form input:focus,
.calc-btus-form select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 168, 255, 0.1);
}

.calc-btus-form small {
  display: block;
  margin-top: 0.4rem;
  color: #666;
  font-size: 0.85rem;
}

.btn-calcular {
  width: 100%;
  padding: 1rem;
  font-size: 1.1rem;
  margin-top: 1rem;
}

.resultado-btu {
  margin-top: 3rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease;
}

.resultado-btu.show {
  opacity: 1;
  transform: translateY(0);
}

.resultado-btu-content {
  background: white;
  padding: 3rem;
  border-radius: 15px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.resultado-icon {
  font-size: 4rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.resultado-btu h3 {
  color: var(--dark-color);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.btu-valor {
  font-size: 3.5rem;
  font-weight: bold;
  color: var(--primary-color);
  margin: 1.5rem 0;
}

.btu-detalhes {
  background: var(--light-color);
  padding: 1.5rem;
  border-radius: 10px;
  margin: 2rem 0;
  text-align: left;
}

.btu-detalhes p {
  margin: 0.5rem 0;
  color: var(--text-color);
}

.btu-detalhes strong {
  color: var(--dark-color);
}

.btu-modelos {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 1.5rem;
  border-radius: 10px;
  margin: 1.5rem 0;
}

.btu-modelos h4 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.btu-modelos ul {
  list-style: none;
  text-align: left;
}

.btu-modelos li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.btu-modelos li:last-child {
  border-bottom: none;
}

.btu-modelos i {
  margin-right: 0.5rem;
}

.btu-aviso {
  background: #fff3cd;
  color: #856404;
  padding: 1rem;
  border-radius: 8px;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.btu-aviso i {
  margin-right: 0.5rem;
}

.resultado-btu-content .btn {
  margin: 0.5rem;
  min-width: 200px;
}

/* Scroll suave */
html {
  scroll-behavior: smooth;
}