:root {
  --primary-color: #2563eb;
  --secondary-color: #3b82f6;
  --text-dark: #111827;
  --text-medium: #374151;
  --text-light: #6b7280;
  --bg-light: #f3f4f6;
  --transition-base: 0.3s ease;

  --primary-blue: #2563eb;
  --primary-blue-hover: #1d4ed8;
  --primary-blue-active: #1e40af;
  --whatsapp-green: #25d366;
  --whatsapp-green-hover: #128c7e;
  --text-dark: #111827;
  --text-medium: #374151;
  --text-light: #6b7280;
  --bg-light: #f8fafc;
  --bg-dark: #000000;
  --bg-contact-item: rgba(255, 255, 255, 0.05);
  
  /* Espaçamentos */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Bordas */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
  
  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Transições */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

body {
  margin: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: #111827;
}

/* Header - Aprimorado com variáveis e transições */
.header {
  --header-height: 64px;
  --shadow-color: rgba(0, 0, 0, 0.1);
  
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: white;
  box-shadow: 0 2px 10px var(--shadow-color);
  transition: box-shadow 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1rem;
  height: var(--header-height);
  max-width: 1200px;
  margin: 0 auto;
}

/* Logo - Com efeito hover suave */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: transform 0.2s ease;
}

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

.logo-img {
  height: 55px;
  width: auto;
  transition: transform 0.3s ease;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: bold;
  color: #2563eb;
  margin-left: 0.5rem;
}

/* Menu Desktop - Aprimorado */
.menu-desktop {
  display: none;
}

@media (min-width: 768px) {
  .menu-desktop {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }
}

.menu-item {
  position: relative;
}

.menu-button {
  display: flex;
  align-items: center;
  background: none;
  border: none;
  color: #000000;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.75rem 1.25rem;
  transition: all 0.3s ease;
  text-decoration: none;
  border-radius: 0.25rem;
}

.menu-button:hover {
  color: #2563eb;
  transform: translateY(-2px);
  background-color: rgba(37, 99, 235, 0.05);
}

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: none;
  z-index: 50;
  min-width: 200px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.menu-item:hover .submenu {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.submenu-item {
  display: block;
  padding: 0.75rem 1.5rem;
  color: #374151;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.submenu-item:hover {
  color: #2563eb;
  background-color: #f8fafc;
  border-left-color: #2563eb;
  padding-left: 1.75rem;
}

/* Menu Mobile - Aprimorado */
.menu-mobile-button {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.75rem;
  color: #000000;
  transition: transform 0.2s ease;
}

.menu-mobile-button:hover {
  transform: scale(1.1);
}

@media (min-width: 768px) {
  .menu-mobile-button {
    display: none;
  }
}

.menu-mobile {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: white;
  padding: 1.5rem;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 999;
}

.menu-mobile.open {
  transform: translateX(0);
}

.menu-mobile-item {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid #e5e7eb;
}

.menu-mobile-link {
  display: block;
  padding: 1rem;
  color: #374151;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.menu-mobile-link:hover {
  color: #2563eb;
}

.menu-mobile-link.button {
  background-color: #2563eb;
  color: white;
  border-radius: 0.5rem;
  text-align: center;
  margin-top: 1rem;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.menu-mobile-link.button:hover {
  background-color: #1d4ed8;
  transform: translateY(-2px);
}

.submenu-mobile {
  display: none;
  padding-left: 1rem;
  animation: fadeIn 0.3s ease;
}

.submenu-mobile.open {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}  


/* Hero Section */
.hero-alarme {
  position: relative;
  height: 60vh;
  margin-top: 70px;
}

.hero-image-alarme {
  background-image: url('../logos/alarme.jpg');
  background-size: cover;
  background-position: center;
  height: 100%;
  width: 100%;
}

.hero-overlay-alarme {
  background-color: rgba(0,0,0,0.6);
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
}

.hero-alarme h1 {
  color: #fff;
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-alarme p {
  color: #fff;
  font-size: 1.5rem;
  max-width: 600px;
}

/* Main Content */
.main-alarme {
  padding: 4rem 0;
}

.alarme-content h2 {
  font-size: 2.5rem;
  color: #2563eb;
  margin-bottom: 2rem;
  text-align: center;
}

.alarme-intro, .alarme-conclusao {
  font-size: 1.2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.recursos-alarme {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.recurso-item {
  background: #fff;
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.recurso-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.recurso-icon {
  font-size: 2.5rem;
  color: #2563eb;
  margin-bottom: 1rem;
}

.recurso-detalhes h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: #111;
}

.recurso-detalhes p {
  color: #666;
}

/* Footer */
.contact-section {
  padding: var(--space-xxl) 0;
  background-color: var(--bg-dark);
  color: white;
  text-align: center;
}

.contact-section h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-xxl);
  position: relative;
}

.contact-section h2::after {
  content: '';
  position: absolute;
  width: 100px;
  height: 4px;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #3498db, #2563eb);
  border-radius: 2px;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background-color: var(--bg-contact-item);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.contact-item:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.contact-icon {
  font-size: 2rem;
  color: var(--primary-blue);
  margin-bottom: var(--space-xs);
}

.contact-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  color: white;
}

.contact-item p {
  font-size: 1rem;
  line-height: 1.6;
  color: #d1d5db;
  margin: 0;
  text-align: center;
}

.contact-link {
  color: #93c5fd;
  text-decoration: none;
  transition: all var(--transition-fast);
  display: inline-block;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  position: relative;
}

.contact-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: 0;
  left: 0;
  background-color: var(--primary-blue);
  transition: width var(--transition-fast);
}

.contact-link:hover {
  color: var(--primary-blue);
}

.contact-link:hover::after {
  width: 100%;
}

/* Efeito especial para links de telefone */
a[href^="tel:"] {
  font-weight: 500;
}

/* Estilos para o footer */
.site-footer {
  background-color: var(--bg-dark);
  padding: var(--space-md) 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.footer-bottom p {
  color: #d1d5db;
  font-size: 0.9rem;
  margin: 0;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer-bottom p:hover {
  opacity: 1;
}

/* Media query para responsividade */
@media (max-width: 768px) {
  .footer-bottom p {
    font-size: 0.8rem;
  }
}

/* Responsividade para telas pequenas */
@media (max-width: 600px) {
  .contact-info {
    grid-template-columns: 1fr;
  }
  
  .contact-item {
    padding: var(--space-md);
  }
}

/* Botão do WhatsApp - Aprimorado */
.whatsapp-button {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background-color: var(--whatsapp-green);
  border-radius: var(--radius-full);
  padding: var(--space-sm);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.whatsapp-button:hover {
  background-color: var(--whatsapp-green-hover);
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.whatsapp-button img {
  width: 30px;
  height: 30px;
}


/* Responsividade */
@media (max-width: 768px) {
  .hero-alarme {
    height: 50vh;
  }
  
  .hero-alarme h1 {
    font-size: 2rem;
  }
  
  .hero-alarme p {
    font-size: 1.2rem;
  }
  
  .recursos-alarme {
    grid-template-columns: 1fr;
  }
  
  .whatsapp-button {
    width: 50px;
    height: 50px;
    bottom: 1.5rem;
    right: 1.5rem;
  }
  
  .whatsapp-button img {
    width: 25px;
    height: 25px;
  }
}