* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333;
  overflow-x: hidden;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 1rem 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-brand h1 {
  font-size: 1.8rem;
  font-weight: bold;
}
.nav-brand i {
  color: #ffd700;
  margin-right: 0.5rem;
}
.nav-desktop ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}
.nav-desktop a {
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 0;
}
.nav-desktop a:hover {
  color: #ffd700;
  transform: translateY(-2px);
}
.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #ffd700;
  transition: width 0.3s ease;
}
.nav-desktop a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 35px;
  height: 35px;
  position: relative;
  z-index: 1001;
  justify-content: center;
}
.mobile-menu-btn span {
  width: 100%;
  height: 3px;
  background: white;
  margin: 3px 0;
  transition: all 0.3s ease;
  transform-origin: center;
  border-radius: 2px;
}
.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}
.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transition: right 0.3s ease;
  z-index: 999;
  padding-top: 80px;
}
.nav-mobile.active {
  right: 0;
}
.nav-mobile ul {
  list-style: none;
  padding: 2rem;
}
.nav-mobile li {
  margin: 1.5rem 0;
}
.nav-mobile a {
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
  display: block;
  padding: 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.nav-mobile a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: left 0.3s ease;
}
.nav-mobile a:hover::before {
  left: 0;
}
.nav-mobile a:hover {
  color: #ffd700;
  transform: translateX(10px);
}

.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-top: 60px;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,0 1000,300 1000,1000 0,700"/></svg>');
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  animation: fadeInUp 1s ease;
}
.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: bold;
}
.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}
.cta-button {
  background: linear-gradient(45deg, #ff6b6b, #ffd93d);
  color: white;
  border: none;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}
.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
}

.products-section {
  padding: 6rem 0 4rem;
  background: #f8f9fa;
}
.products-section:nth-child(even) {
  background: white;
}
.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: #333;
  position: relative;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(45deg, #ff6b6b, #ffd93d);
  border-radius: 2px;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.product-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}
.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}
.product-image {
  width: 100%;
  height: 250px;
  background: linear-gradient(45deg, #f0f0f0, #e0e0e0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}
.product-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.5s ease;
}
.product-card:hover .product-image::before {
  left: 100%;
}
.product-info {
  padding: 1.5rem;
}
.product-title {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: #333;
  font-weight: bold;
}
.product-price {
  font-size: 1.5rem;
  color: #667eea;
  font-weight: bold;
  margin-bottom: 1rem;
}
.product-description {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}
.product-button {
  width: 100%;
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  border: none;
  padding: 0.8rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.product-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, #764ba2, #667eea);
  transition: left 0.3s ease;
  z-index: 1;
}
.product-button:hover::before {
  left: 0;
}
.product-button span {
  position: relative;
  z-index: 2;
}
.product-button:hover {
  transform: translateY(-2px);
}

.links-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.link-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.link-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}
.link-card i {
  font-size: 3rem;
  color: #667eea;
  margin-bottom: 1rem;
}
.link-card h3 {
  margin-bottom: 0.5rem;
  color: #333;
}
.link-card a {
  color: inherit;
  text-decoration: none;
}
.link-card p {
  color: #666;
  font-size: 0.9rem;
}

.social-buttons {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}
.social-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.3rem;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.social-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}
.social-btn.github { background: linear-gradient(45deg, #333, #555); }
.social-btn.instagram { background: linear-gradient(45deg, #e4405f, #833ab4, #fcb045); }
.social-btn.linkedin { background: linear-gradient(45deg, #0077b5, #0099d4); }
.social-btn.email { background: linear-gradient(45deg, #ea4335, #fbbc05); }
.social-btn.whatsapp { background: linear-gradient(45deg, #25d366, #128c7e); }

.footer {
  background: #333;
  color: white;
  padding: 3rem 0 1rem;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-section h3,
.footer-section h4 {
  margin-bottom: 1rem;
  color: #ffd700;
}
.footer-section ul {
  list-style: none;
}
.footer-section ul li {
  margin: 0.5rem 0;
}
.footer-section a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-section a:hover {
  color: #ffd700;
}
.footer-section p {
  color: #ccc;
  margin: 0.5rem 0;
}
.footer-section i {
  margin-right: 0.5rem;
}
.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #555;
  color: #ccc;
}

.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 200px;
}
.loading::after {
  content: '';
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .mobile-menu-btn { display: flex !important; }
  .nav-mobile { display: block; }
  .hero h1 { font-size: 2.5rem; }
  .hero p { font-size: 1.1rem; }
  .section-title { font-size: 2rem; }
  .products-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
  .social-buttons { bottom: 20px; right: 20px; }
  .social-btn { width: 45px; height: 45px; font-size: 1.1rem; }
  .hero { margin-top: 0; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .products-grid { grid-template-columns: 1fr; gap: 1rem; }
  .nav-mobile { width: 100%; right: -100%; }
  .social-buttons { bottom: 15px; right: 15px; }
  .social-btn { width: 42px; height: 42px; font-size: 1rem; }
}

html {
  scroll-behavior: smooth;
}

.back-to-top {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}
.back-to-top.visible {
  display: flex;
}
@media (max-width: 768px) {
  .back-to-top { right: auto; left: 20px; }
}

.rodape {
  width: 100%;
  text-align: center;
  padding: 20px 10px;
  font-size: 14px;
  color: #fff;
  background-color: #333;
  border-top: 1px solid #555;
}
.rodape a {
  color: #ffd700;
  text-decoration: none;
}