/* ==========================================================================
   LAYOUT - Header, Footer, Seções principais
   ========================================================================== */

/* Header & Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--gray-900);
  text-decoration: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  padding: 12px 20px;
  border-radius: 50px;
  box-shadow: 
    0 8px 32px rgba(59, 130, 246, 0.15),
    0 4px 16px rgba(59, 130, 246, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(59, 130, 246, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  animation: logoEntrance 1s ease-out, logoPulse 4s ease-in-out 2s infinite;
}

.nav-brand::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.2), transparent);
  transition: left 0.6s ease;
}

.nav-brand:hover::before {
  left: 100%;
}

.nav-brand:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 12px 40px rgba(59, 130, 246, 0.25),
    0 6px 20px rgba(59, 130, 246, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  color: #1e40af;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.8));
}

.nav-brand:hover img {
  transform: rotate(2deg) scale(1.05);
}

.nav-brand:hover .brand-text {
  background: linear-gradient(135deg, #1e40af, #3b82f6, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-brand img {
  height: 50px;
  width: auto;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  filter: drop-shadow(0 2px 4px rgba(59, 130, 246, 0.1));
}

.brand-text {
  background: linear-gradient(135deg, #374151, #1f2937);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all 0.4s ease;
}

@keyframes logoEntrance {
  0% {
    opacity: 0;
    transform: scale(0.8) translateY(-20px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes logoPulse {
  0%, 100% {
    box-shadow: 
      0 8px 32px rgba(59, 130, 246, 0.15),
      0 4px 16px rgba(59, 130, 246, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.8);
  }
  50% {
    box-shadow: 
      0 10px 36px rgba(59, 130, 246, 0.2),
      0 5px 18px rgba(59, 130, 246, 0.15),
      inset 0 1px 0 rgba(255, 255, 255, 0.9);
  }
}

.nav-menu {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  display: inline-block;
  margin-left: var(--space-8);
}

.nav-link {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--gray-700);
  text-decoration: none;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  cursor: pointer;
  padding: 8px;
  gap: 4px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(8px);
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: #000000 !important;
  margin: 3px 0;
  transition: var(--transition-fast);
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

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

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-primary);
  color: var(--white);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../imagens/banner-inicial.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 600px;
}

.hero h1 {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-6);
  color: var(--white);
}

.hero p {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
  color: rgba(255, 255, 255, 0.9);
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  color: var(--gray-900);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* Main Sections */
section {
  padding: var(--space-24) 0;
}

section:nth-child(even) {
  background-color: var(--gray-50);
}

/* Footer */
.footer {
  background-color: var(--gray-900);
  color: var(--white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: var(--space-6);
}

.footer-section p,
.footer-section a {
  color: var(--gray-300);
  line-height: var(--line-height-relaxed);
}

.footer-section a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: var(--space-8);
  text-align: center;
  color: var(--gray-400);
}

/* Responsive Design */
@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
  
  .menu-toggle {
    display: none;
  }
  
  .hero h1 {
    font-size: var(--font-size-6xl);
  }
}

@media (max-width: 767px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--white);
    box-shadow: var(--shadow-xl);
    padding: var(--space-20) var(--space-6) var(--space-6);
    transition: right 0.3s ease;
    z-index: var(--z-modal);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    display: block;
    margin: 0 0 var(--space-4) 0;
  }
  
  .nav-link {
    padding: var(--space-4) 0;
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--gray-200);
  }
  
  .hero {
    padding-top: 80px;
    text-align: center;
  }
  
  .hero h1 {
    font-size: var(--font-size-4xl);
  }
  
  .section-header h2 {
    font-size: var(--font-size-3xl);
  }
  
  section {
    padding: var(--space-16) 0;
  }
}