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

html, body {
  width: 100%;
  height: 100%;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, "Sarabun", sans-serif;
  line-height: 1.6;
  color: #1F2937;
  background: #F3F4F6;
}

.main-container {
  width: 100%;
  min-height: 100%;
  background: #F3F4F6;
}

/* Header */
header {
  background: #1F2937;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-box {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #F15A24 0%, #FF8C42 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  box-shadow: 0 4px 10px rgba(241, 90, 36, 0.3);
  border: 3px solid #FFFFFF;
}

.brand-info h1 {
  font-size: 1.5rem;
  color: #FFFFFF;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-info p {
  font-size: 0.85rem;
  color: #F15A24;
  font-weight: 500;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

nav a {
  color: #FFFFFF;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  font-size: 1rem;
}

nav a:hover {
  color: #F15A24;
  border-bottom-color: #F15A24;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #1F2937 0%, #374151 100%);
  color: #FFFFFF;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(45deg, rgba(241, 90, 36, 0.1) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(241, 90, 36, 0.1) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(241, 90, 36, 0.1) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(241, 90, 36, 0.1) 75%);
  background-size: 50px 50px;
  background-position: 0 0, 0 25px, 25px -25px, -25px 0px;
  opacity: 0.3;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: #F15A24;
  color: #FFFFFF;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(241, 90, 36, 0.4);
}

.hero-content h2 {
  font-size: 2.6rem;
  margin-bottom: 1rem;
  font-weight: 800;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  opacity: 0.95;
  font-weight: 400;
}

.hero-location {
  font-size: 1.05rem;
  color: #F15A24;
  font-weight: 600;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.btn-primary {
  display: inline-block;
  background: #F15A24;
  color: #FFFFFF;
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(241, 90, 36, 0.4);
  border: 2px solid #F15A24;
}

.btn-primary:hover {
  background: #D14A1A;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(241, 90, 36, 0.5);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: #FFFFFF;
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  transition: all 0.3s;
  border: 2px solid #FFFFFF;
}

.btn-secondary:hover {
  background: #FFFFFF;
  color: #1F2937;
  transform: translateY(-2px);
}

/* Products Section */
.products-section {
  background: #F3F4F6;
  padding: 4rem 2rem;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

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

.section-header h2 {
  font-size: 2.2rem;
  color: #1F2937;
  font-weight: 800;
  margin-bottom: 0.5rem;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: #F15A24;
  border-radius: 2px;
}

.section-header p {
  color: #6B7280;
  font-size: 1.02rem;
  margin-top: 1.5rem;
}

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

.product-item {
  background: #FFFFFF;
  border-radius: 12px;
  padding: 2.2rem 2rem;
  text-align: center;
  transition: all 0.3s;
  border: 2px solid #E5E7EB;
  position: relative;
  overflow: hidden;
}

.product-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #F15A24 0%, #FF8C42 100%);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.product-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
  border-color: #F15A24;
}

.product-item:hover::before {
  transform: scaleX(1);
}

.product-icon-wrapper {
  width: 90px;
  height: 90px;
  margin: 0 auto 1.2rem;
  background: linear-gradient(135deg, #F15A24 0%, #FF8C42 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  box-shadow: 0 8px 20px rgba(241, 90, 36, 0.25);
  transition: all 0.3s;
}

.product-item:hover .product-icon-wrapper {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 30px rgba(241, 90, 36, 0.35);
}

.product-item h3 {
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
  color: #1F2937;
  font-weight: 700;
}

.product-item p {
  color: #6B7280;
  line-height: 1.7;
  font-size: 0.97rem;
}

/* Features Section */
.features-section {
  background: #FFFFFF;
  padding: 4rem 2rem;
  border-top: 1px solid #E5E7EB;
  border-bottom: 1px solid #E5E7EB;
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-box {
  text-align: center;
  padding: 2rem;
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1rem;
  background: #FEF3E7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #F15A24;
}

.feature-box h4 {
  font-size: 1.22rem;
  color: #1F2937;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.feature-box p {
  color: #6B7280;
  font-size: 0.97rem;
}

/* Contact Section */
.contact-section {
  background: linear-gradient(135deg, #1F2937 0%, #374151 100%);
  color: #FFFFFF;
  padding: 4.5rem 2rem;
}

.contact-wrapper {
  max-width: 1200px;
  margin: 0 auto;
}

.contact-header {
  text-align: center;
  margin-bottom: 3rem;
}

.contact-header h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  font-weight: 800;
}

.contact-header p {
  font-size: 1.02rem;
  opacity: 0.9;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.contact-card {
  background: rgba(255,255,255,0.1);
  padding: 2.5rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.3s;
}

.contact-card:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-5px);
}

.contact-icon-box {
  width: 60px;
  height: 60px;
  background: #F15A24;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(241, 90, 36, 0.4);
}

.contact-card h4 {
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
  font-weight: 700;
}

.contact-card p {
  font-size: 0.98rem;
  opacity: 0.95;
  line-height: 1.6;
}

/* Footer */
footer {
  background: #0F172A;
  color: #FFFFFF;
  text-align: center;
  padding: 2rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

footer p {
  opacity: 0.8;
  font-size: 0.94rem;
}

.footer-links {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: #F15A24;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  font-size: 0.94rem;
}

.footer-links a:hover {
  color: #FF8C42;
}

/* Responsive */
@media (max-width: 768px) {
  .header-wrapper {
    flex-direction: column;
    text-align: center;
  }

  nav ul {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }

  .hero-content h2 {
    font-size: 2rem;
  }

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

  .section-header h2 {
    font-size: 1.8rem;
  }

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

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }

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