/* ============================================
   MOPEHL - Minimalismo Industrial Moderno
   Cores: Ciano (#00BCD4), Branco (#ffffff), Cinza (#1a1a1a), Preto (#000000)
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #1a1a1a;
  background-color: #ffffff;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: #000000;
  border-bottom: 2px solid #00BCD4;
  box-shadow: 0 2px 8px rgba(0, 188, 212, 0.2);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.logo-section img {
  height: 40px;
  width: auto;
  transition: transform 0.3s ease;
}

.logo-section:hover img {
  transform: scale(1.05);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: #00BCD4;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000000;
  font-weight: bold;
  font-size: 1.25rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
}

nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

nav a {
  color: #ffffff;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  font-weight: 500;
}

nav a:hover {
  color: #00BCD4;
  border-bottom: 2px solid #00BCD4;
  padding-bottom: 0.25rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

button {
  font-family: 'Inter', sans-serif;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  font-weight: 500;
}

.btn-outline {
  padding: 0.5rem 1rem;
  border: 1px solid #1a1a1a;
  background-color: transparent;
  color: #1a1a1a;
  border-radius: 4px;
}

.btn-outline:hover {
  background-color: #f5f5f5;
}

.btn-primary {
  padding: 0.5rem 1rem;
  background-color: #00BCD4;
  color: #1a1a1a;
  border-radius: 4px;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: #00ACC1;
}

.btn-accent {
  padding: 0.5rem 1rem;
  background-color: #1a1a1a;
  color: #00BCD4;
  border-radius: 4px;
  font-weight: 600;
  border: 2px solid #00BCD4;
}

.btn-accent:hover {
  background-color: #00BCD4;
  color: #1a1a1a;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  position: relative;
  height: 500px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  color: #ffffff;
  max-width: 600px;
}

.hero-content h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-content p {
  font-size: 0.9rem;
  margin-bottom: 2rem;
  color: #e5e5e5;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-hero {
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
}

.btn-hero-primary {
  background-color: #ff6b35;
  color: #ffffff;
}

.btn-hero-primary:hover {
  background-color: #e55a24;
}

.btn-hero-secondary {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.btn-hero-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* ============================================
   BENEFITS SECTION
   ============================================ */

.benefits {
  padding: 4rem 2rem;
  background-color: #f9f9f9;
  border-bottom: 4px solid #00BCD4;
}

.benefits-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.benefit-card {
  display: flex;
  gap: 1rem;
}

.benefit-icon {
  width: 48px;
  height: 48px;
  background-color: #00BCD4;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a1a1a;
  font-size: 1.5rem;
  flex-shrink: 0;
  font-weight: bold;
}

.benefit-content h3 {
  font-size: 1rem;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.benefit-content p {
  font-size: 0.9rem;
  color: #666666;
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */

.products {
  padding: 4rem 2rem;
  background-color: #ffffff;
}

.products-container {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 1.75rem;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.section-divider {
  width: 4rem;
  height: 4px;
  background-color: #00BCD4;
  margin-bottom: 1.5rem;
}

.category-tabs {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 4px;
  background-color: #f0f0f0;
  color: #1a1a1a;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.tab-btn.active {
  background-color: #00BCD4;
  color: #1a1a1a;
  font-weight: 600;
}

.tab-btn:hover {
  background-color: #e0e0e0;
}

.tab-btn.active:hover {
  background-color: #00ACC1;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.product-card {
  border: 1px solid #e5e5e5;
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.product-card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  border-color: #00BCD4;
}

.product-image {
  width: 100%;
  height: 160px;
  background: linear-gradient(135deg, #0d47a1 0%, #1a1a1a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ff6b35;
  font-size: 3rem;
}

.product-content {
  padding: 1.5rem;
}

.product-content h3 {
  font-size: 1rem;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.product-content p {
  font-size: 0.85rem;
  color: #666666;
  margin-bottom: 1rem;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: #00BCD4;
  background-color: #e0f7fa;
  padding: 0.25rem 0.75rem;
  border-radius: 3px;
}

.product-arrow {
  color: #00BCD4;
  font-size: 1.25rem;
  cursor: pointer;
  transition: color 0.3s ease;
  font-weight: bold;
}

.product-arrow:hover {
  color: #00ACC1;
}

.products-cta {
  text-align: center;
}

.btn-large {
  padding: 0.75rem 2rem;
  font-size: 1rem;
  border-radius: 4px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
  padding: 4rem 2rem;
  background-color: #1a1a1a;
  color: #ffffff;
}

.about-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-content h2 {
  font-size: 2.5rem;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.about-content p {
  color: #cccccc;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-list {
  list-style: none;
  margin-top: 1.5rem;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: #cccccc;
}

.about-list li::before {
  content: '';
  width: 8px;
  height: 8px;
  background-color: #00BCD4;
  border-radius: 50%;
}

.about-image {
  width: 100%;
  border-radius: 4px;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta {
  padding: 3rem 2rem;
  background-color: #1a1a1a;
  color: #ffffff;
  text-align: center;
  border-top: 4px solid #00BCD4;
}

.cta-container {
  max-width: 1280px;
  margin: 0 auto;
}

.cta h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.cta p {
  font-size: 0.95rem;
  color: #b3e5fc;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-cta {
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.btn-cta-primary {
  background-color: #00BCD4;
  color: #1a1a1a;
  font-weight: 600;
}

.btn-cta-primary:hover {
  background-color: #00ACC1;
}

.btn-cta-secondary {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.btn-cta-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
  padding: 4rem 2rem;
  background-color: #f9f9f9;
}

.contact-container {
  max-width: 1280px;
  margin: 0 auto;
}

.contact h2 {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 3rem;
  color: #1a1a1a;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.contact-card {
  background-color: #ffffff;
  border: 1px solid #e5e5e5;
  border-radius: 4px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.contact-card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background-color: #00BCD4;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a1a1a;
  font-size: 1.5rem;
  margin: 0 auto 1rem;
  font-weight: bold;
}

.contact-card h3 {
  font-size: 1.05rem;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.contact-card p {
  color: #666666;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.contact-card button {
  width: 100%;
  padding: 0.75rem;
  background-color: #ffffff;
  border: 1px solid #e5e5e5;
  color: #1a1a1a;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.contact-card button:hover {
  background-color: #e0f7fa;
  border-color: #00BCD4;
  color: #00BCD4;
  font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background-color: #1a1a1a;
  color: #999999;
  padding: 3rem 2rem;
  border-top: 4px solid #00BCD4;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #999999;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: #ffffff;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.footer-logo-icon {
  width: 32px;
  height: 32px;
  background-color: #00BCD4;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a1a1a;
  font-weight: bold;
}

.footer-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
}

.footer-divider {
  border-top: 1px solid #333333;
  padding-top: 2rem;
  text-align: center;
  color: #666666;
  font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .header-container {
    padding: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
  }

  nav {
    display: none;
  }

  .hero {
    height: 350px;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn-hero {
    width: 100%;
    text-align: center;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .about-container {
    grid-template-columns: 1fr;
  }

  .cta h2 {
    font-size: 1.75rem;
  }

  .contact h2 {
    font-size: 1.75rem;
  }

  .category-tabs {
    flex-wrap: wrap;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 0.75rem;
  }

  .logo-text {
    font-size: 1.25rem;
  }

  .hero-content h1 {
    font-size: 1.5rem;
  }

  .hero-content p {
    font-size: 0.9rem;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .btn-cta {
    width: 100%;
    justify-content: center;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}