:root {
  --primary-color: #1a5276;
  --secondary-color: #2980b9;
  --accent-color: #e74c3c;
  --light-bg: #f8f9fa;
  --dark-text: #2c3e50;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--dark-text);
  line-height: 1.7;
}

/* Navbar */
.navbar {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.4rem;
  color: white !important;
}

.navbar-brand span {
  color: #f39c12;
}

.nav-link {
  color: rgba(255,255,255,0.9) !important;
  font-weight: 500;
  margin: 0 0.5rem;
  transition: all 0.3s ease;
}

.nav-link:hover, .nav-link.active {
  color: #f39c12 !important;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #1a5276 0%, #2c3e50 100%);
  min-height: 500px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="water" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M0 10 Q5 5 10 10 T20 10" stroke="rgba(255,255,255,0.1)" fill="none"/></pattern></defs><rect width="100" height="100" fill="url(%23water)"/></svg>');
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: 1.3rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 2rem;
}

.btn-hero {
  background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
  color: white;
  padding: 12px 30px;
  border-radius: 30px;
  font-weight: 600;
  border: none;
  transition: all 0.3s ease;
}

.btn-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(243,156,18,0.4);
  color: white;
}

/* Section Styles */
.section-padding {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--accent-color);
}

.section-title p {
  color: #666;
  font-size: 1.1rem;
}

/* About Section */
.about-content h3 {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 20px;
}

.about-content p {
  color: #555;
  margin-bottom: 15px;
}

/* Features Section */
.features-section {
  background: var(--light-bg);
}

.feature-box {
  background: white;
  padding: 40px 30px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  height: 100%;
}

.feature-box:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
}

.feature-icon i {
  font-size: 30px;
  color: white;
}

.feature-box h4 {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 15px;
}

.feature-number {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: var(--accent-color);
  color: white;
  border-radius: 50%;
  line-height: 40px;
  text-align: center;
  font-weight: 700;
  margin-bottom: 15px;
}

/* Process Section */
.process-step {
  text-align: center;
  padding: 30px 20px;
  position: relative;
}

.process-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.process-step h5 {
  color: var(--primary-color);
  font-weight: 600;
}

/* Products Preview */
.product-preview-section {
  background: var(--light-bg);
}

.product-card {
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  background: white;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.product-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.product-info {
  padding: 20px;
  text-align: center;
}

.product-info h5 {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 10px;
}

/* Products Page Tabs */
.nav-tabs {
  border-bottom: 2px solid #dee2e6;
  justify-content: center;
  margin-bottom: 40px;
}

.nav-tabs .nav-link {
  color: var(--dark-text) !important;
  font-weight: 500;
  padding: 15px 25px;
  border: none;
  border-bottom: 3px solid transparent;
  margin: 0 5px;
}

.nav-tabs .nav-link.active {
  color: var(--primary-color) !important;
  border-bottom-color: var(--primary-color);
  background: transparent;
}

.nav-tabs .nav-link:hover {
  border-bottom-color: var(--secondary-color);
}

/* Gallery Grid */
.gallery-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.gallery-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  padding: 20px;
  color: white;
}

.gallery-overlay h6 {
  margin: 0;
  font-weight: 500;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #1a252f 0%, #2c3e50 100%);
  color: white;
  padding: 50px 0 20px;
}

.footer h5 {
  color: #f39c12;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer p, .footer a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
}

.footer a:hover {
  color: #f39c12;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  margin-top: 30px;
  text-align: center;
  color: rgba(255,255,255,0.6);
}

/* Equipment Page */
.equipment-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
  margin-bottom: 30px;
}

.equipment-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.equipment-info {
  padding: 25px;
}

.equipment-info h4 {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 10px;
}

/* Contact Page */
.contact-info {
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
  text-align: center;
}

.contact-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
}

.contact-icon i {
  font-size: 35px;
  color: white;
}

.contact-info h3 {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 15px;
}

.contact-info .email {
  font-size: 1.3rem;
  color: var(--secondary-color);
  font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section-title h2 {
    font-size: 1.8rem;
  }
  
  .section-padding {
    padding: 60px 0;
  }
  
  .nav-tabs .nav-link {
    padding: 10px 15px;
    font-size: 0.9rem;
  }
}