:root {
  /* Variáveis de cores */
  --color-primary: #763D0E;
  --color-secondary: #C5AE8E;
  --color-white: #ffffff;
  --color-text: #333333;
  
  /* Variáveis de fonte */
  --font-size-base: 16px;
  --font-size-h1: clamp(2rem, 5vw, 3.5rem);
  --font-size-h2: clamp(1.5rem, 4vw, 2.5rem);
  --font-size-h3: clamp(1.2rem, 3vw, 2rem);
  --font-size-body: clamp(1rem, 2vw, 1.2rem);
  
  /* Variáveis de espaçamento */
  --spacing-xs: clamp(0.5rem, 1vw, 1rem);
  --spacing-sm: clamp(1rem, 2vw, 1.5rem);
  --spacing-md: clamp(1.5rem, 3vw, 2rem);
  --spacing-lg: clamp(2rem, 4vw, 3rem);
  --spacing-xl: clamp(3rem, 5vw, 5rem);
}

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

body {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  overflow-x: hidden;
}

/* Container responsivo */
.container {
  width: 100%;
  padding-right: var(--spacing-sm);
  padding-left: var(--spacing-sm);
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}

@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

/* Navegação responsiva */
.navbar {
  padding: 0.5rem 0;
  transition: all 0.3s ease;
  background-color: var(--color-secondary);
}

.navbar-brand {
  padding: 0.25rem 0;
}

.navbar-brand img {
  max-height: 45px;
  width: auto;
  transition: max-height 0.3s ease;
}

.nav-link {
  padding: 0.5rem 1rem !important;
  font-size: 0.95rem;
  white-space: nowrap;
  color: var(--color-primary) !important;
  transition: all 0.3s ease;
}

.nav-link:hover {
  background-color: var(--color-secondary) !important;
  color: var(--color-primary) !important;
}

.nav-link,
  .nav-link-button {
    color: rgba(255,255,255,0.8) !important;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
  }
  
  .nav-link:hover,
  .nav-link.active,
  .nav-link-button:hover,
  .nav-link-button.active {
    color: var(--secondary-color) !important;
  }
  
  .nav-link:hover::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--secondary-color);
  }

.contact-btn {
  background-color: var(--color-primary) !important;
  color: var(--color-white) !important;
  border-radius: 4px;
}

.contact-btn:hover {
  background-color: var(--color-primary) !important;
  opacity: 0.9;
  color: var(--color-white) !important;
}

/* Hero Section responsiva */
.hero-section {
  padding: var(--spacing-xl) 0;
  margin-top: 70px;
}

.hero-section .img-fluid {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

@media (max-width: 991px) {
  .navbar-brand img {
    max-height: 40px;
  }
  
  .navbar-collapse {
    background: var(--color-secondary);
    padding: 0.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-top: 0.5rem;
  }
  
  .nav-link {
    padding: 0.5rem !important;
    border-bottom: 1px solid rgba(118, 61, 14, 0.1);
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
  
  .hero-section .img-fluid {
    height: 400px;
    margin-top: var(--spacing-md);
  }
}

/* Cards dos especialistas */
.specialist-card {
  position: relative;
  overflow: hidden;
}

.image-container {
  position: relative;
  height: 500px;
  overflow: hidden;
}

.jessica-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lucca-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: 50% -20%; /* Ajusta a posição vertical em -20% */
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.text-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.5) 60%, transparent);
  color: var(--color-white);
}

.specialist-name {
  color: var(--color-white);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.specialist-bio {
  color: var(--color-white);
}

.specialist-bio p {
  margin-bottom: 0.5rem;
}

.divider {
  width: 50px;
  height: 2px;
  background-color: var(--color-white);
  margin: 1rem 0;
}

/* Botões e links responsivos */
.btn,
.nav-link,
.contact-btn {
  min-height: 44px;
  padding: 0.5rem 1rem;
  touch-action: manipulation;
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .btn,
  .nav-link,
  .contact-btn {
    width: 100%;
    margin-bottom: var(--spacing-xs);
  }
  
  .specialist-card {
    height: 500px;
  }
}

/* WhatsApp Button responsivo */
.whatsapp-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  transition: all 0.3s ease;
}

.whatsapp-btn a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  color: var(--color-white);
  font-size: 24px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.whatsapp-btn a:hover {
  background: #20ba59;
  transform: scale(1.1);
}

@media (max-width: 768px) {
  .whatsapp-btn {
    bottom: 10px;
    right: 10px;
    transform: scale(0.9);
  }
  
  .whatsapp-btn a {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
}

/* Mapa responsivo */
.mapa-container {
  width: 100%;
  height: 450px;
  /* margin-top: var(--spacing-md); */
  border-radius: 8px;
  overflow: hidden;
}

@media (min-width: 768px) {
  .mapa-container {
    width: 60%;
    min-width: 400px;
    height: 500px;
  }
}

/* Imagens responsivas */
.img-fluid {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Seções responsivas */
section {
  padding: var(--spacing-xl) 0;
}

/* Grid responsivo */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: calc(var(--spacing-sm) * -1);
  margin-left: calc(var(--spacing-sm) * -1);
}

.col {
  position: relative;
  width: 100%;
  padding-right: var(--spacing-sm);
  padding-left: var(--spacing-sm);
}

/* Animações suaves */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Melhorias de acessibilidade */
:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Otimizações de performance */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}