/* ==========================================================================
   Componentes Específicos do Site
   ========================================================================== */

/* Header/Navegação */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.nav-logo {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary-700);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--neutral-700);
  transition: color var(--transition-base);
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-link.active {
  color: var(--primary-600);
  font-weight: 600;
}

/* Mobile Menu */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: white;
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-toggle {
    display: block;
    cursor: pointer;
  }
}

.nav-toggle {
  display: none;
  font-size: var(--text-2xl);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--neutral-700);
}

/* Hero Section */
.hero {
  background: var(--gradient-hero);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(30, 58, 138, 0.3) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-20) 0;
}

@media (min-width: 1024px) {
  .hero-content {
    padding: calc(var(--space-24) + var(--space-8)) 0;
  }
}

.hero h1 {
  color: white;
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero p {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
}

/* Social Proof Section */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  text-align: center;
  padding: var(--space-12) 0;
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  margin-top: calc(var(--space-12) * -1);
  position: relative;
  z-index: 2;
}

.stat-item {
  padding: var(--space-4);
}

.stat-number {
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--primary-600);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--neutral-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Service Cards Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
}

.card-hover {
  transition: all var(--transition-base);
  cursor: pointer;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-hover ul {
  margin-top: 1rem;
}

.card-hover ul li {
  padding: 0.25rem 0;
}

/* Portfolio/Case Card */
.case-card {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
}

.case-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--gradient-hero);
}

.case-content {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-meta {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: var(--neutral-500);
}

.case-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: var(--space-3);
}

.case-description {
  color: var(--neutral-600);
  margin-bottom: var(--space-4);
  flex: 1;
}

.case-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}

.tech-tag {
  padding: var(--space-1) var(--space-3);
  background: var(--neutral-100);
  color: var(--neutral-700);
  font-size: var(--text-xs);
  border-radius: var(--radius-full);
  font-weight: 500;
}

/* Process Steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
  position: relative;
}

.step {
  text-align: center;
  padding: var(--space-6);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  background: var(--gradient-hero);
  color: white;
  font-size: var(--text-2xl);
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.step-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.step-description {
  font-size: var(--text-sm);
  color: var(--neutral-600);
}

/* CTA Section */
.cta-section {
  background: var(--gradient-hero);
  color: white;
  text-align: center;
  padding: var(--space-20) 0;
  border-radius: var(--radius-xl);
  margin: var(--space-12) 0;
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--space-6);
}

.cta-section p {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

/* Footer */
.footer {
  background: var(--neutral-900);
  color: var(--neutral-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-section h3 {
  color: white;
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--neutral-400);
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--neutral-800);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--neutral-500);
}

.social-links {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-top: var(--space-4);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--neutral-800);
  color: var(--neutral-400);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--primary-600);
  color: white;
  transform: translateY(-2px);
}

/* Formulário de Contato */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--neutral-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--neutral-900);
  background: white;
  border: 2px solid var(--neutral-300);
  border-radius: var(--radius);
  transition: border-color var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-500);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-help {
  font-size: var(--text-sm);
  color: var(--neutral-500);
  margin-top: var(--space-2);
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section-subtitle {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--neutral-600);
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* WhatsApp Float Button */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 3.5rem;
  height: 3.5rem;
  background: #25D366;
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 20px 30px rgba(37, 211, 102, 0.3);
}