@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
  --primary-blue: #1E40AF;
  --warm-orange: #EA580C;
  --professional-gray: #374151;
  --light-gray: #F9FAFB;
  --white: #FFFFFF;
  --dark-text: #111827;
  --medium-text: #6B7280;
  --border-color: #E5E7EB;
  --success-green: #059669;
  --warning-amber: #D97706;
  --error-red: #DC2626;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--dark-text);
  background-color: var(--white);
}

/* Header Styles */
.thermal-header {
  background-color: var(--white);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.heating-logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo-icon {
  margin-right: 0.5rem;
  font-size: 2rem;
}

.main-navigation {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--professional-gray);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-blue);
  background-color: var(--light-gray);
}

.emergency-contact {
  background-color: var(--warm-orange);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.emergency-contact:hover {
  background-color: #C2410C;
  transform: translateY(-2px);
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--professional-gray);
  cursor: pointer;
}

/* Hero Section */
.thermal-hero {
  background: linear-gradient(135deg, var(--primary-blue) 0%, #1E3A8A 100%);
  color: var(--white);
  padding: 120px 1rem 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/product_photos/hero-fc81a3da27ff8896adf3cc113bdad5c8.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.1;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.primary-cta {
  background-color: var(--warm-orange);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.primary-cta:hover {
  background-color: #C2410C;
  transform: translateY(-2px);
}

.secondary-cta {
  background-color: transparent;
  color: var(--white);
  padding: 1rem 2rem;
  border: 2px solid var(--white);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.secondary-cta:hover {
  background-color: var(--white);
  color: var(--primary-blue);
}

/* Section Styles */
.content-section {
  padding: 80px 1rem;
}

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

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dark-text);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--medium-text);
  max-width: 600px;
  margin: 0 auto;
}

/* Company Info Section */
.company-info {
  background-color: var(--light-gray);
}

.info-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.info-text h3 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--primary-blue);
  margin-bottom: 1.5rem;
}

.info-text p {
  font-size: 1.1rem;
  color: var(--professional-gray);
  margin-bottom: 1.5rem;
}

.info-image {
  border-radius: 12px;
  overflow: hidden;
}

.info-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
  font-size: 3rem;
  color: var(--warm-orange);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--medium-text);
  margin-bottom: 1.5rem;
}

.service-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 1.5rem;
}

.service-cta {
  background-color: var(--primary-blue);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.service-cta:hover {
  background-color: #1E3A8A;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 2rem 1rem;
}

.feature-icon {
  font-size: 3rem;
  color: var(--primary-blue);
  margin-bottom: 1.5rem;
}

.feature-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: 1rem;
}

.feature-item p {
  color: var(--medium-text);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
}

.quote-icon {
  font-size: 2rem;
  color: var(--warm-orange);
  margin-bottom: 1rem;
}

.testimonial-text {
  font-style: italic;
  color: var(--professional-gray);
  margin-bottom: 1.5rem;
}

.testimonial-author {
  font-weight: 600;
  color: var(--dark-text);
}

.testimonial-role {
  color: var(--medium-text);
  font-size: 0.9rem;
}

/* Contact Section */
.contact-info {
  background-color: var(--primary-blue);
  color: var(--white);
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.contact-item {
  text-align: center;
}

.contact-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.contact-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.contact-item p {
  opacity: 0.9;
}

.contact-item a {
  color: var(--white);
  text-decoration: none;
}

.contact-item a:hover {
  text-decoration: underline;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background-color: var(--white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-button {
  background-color: var(--primary-blue);
  color: var(--white);
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.form-button:hover {
  background-color: #1E3A8A;
}

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.team-card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.team-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  overflow: hidden;
}

.team-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: 0.5rem;
}

.team-role {
  color: var(--warm-orange);
  font-weight: 600;
  margin-bottom: 1rem;
}

.team-bio {
  color: var(--medium-text);
}

/* FAQ Section */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.5rem;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 1.5rem 1.5rem;
  color: var(--medium-text);
  display: none;
}

.faq-answer.active {
  display: block;
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-question.active .faq-icon {
  transform: rotate(180deg);
}

/* Cookie Consent Banner */
.cookie-consent-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 400px;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  z-index: 10000;
  display: none;
}

.cookie-consent-banner.show {
  display: block;
}

.cookie-text {
  font-size: 0.9rem;
  color: var(--professional-gray);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.cookie-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.cookie-accept,
.cookie-decline {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}

.cookie-accept {
  background-color: var(--primary-blue);
  color: var(--white);
}

.cookie-accept:hover {
  background-color: #1E3A8A;
}

.cookie-decline {
  background-color: var(--border-color);
  color: var(--professional-gray);
}

.cookie-decline:hover {
  background-color: #D1D5DB;
}

/* Footer */
.thermal-footer {
  background-color: var(--professional-gray);
  color: var(--white);
  padding: 3rem 1rem 2rem;
}

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

.footer-section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--white);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-bottom: 0.5rem;
  display: block;
}

.footer-section a:hover {
  color: var(--warm-orange);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin-top: 2rem;
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .main-navigation {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }
  
  .main-navigation.active {
    display: flex;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .info-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  .content-section {
    padding: 60px 1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .cookie-consent-banner {
    left: 10px;
    right: 10px;
    bottom: 10px;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 0 0.5rem;
  }
  
  .emergency-contact {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .primary-cta,
  .secondary-cta {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.text-primary { color: var(--primary-blue); }
.text-orange { color: var(--warm-orange); }
.hidden { display: none; }