/* Airtech Heating and Cooling - Custom Styles */

/* Red-to-Blue Gradient Theme (Heating to Cooling) */

:root {
  --heating-red: #dc3545;
  --heating-orange: #fd7e14;
  --cooling-blue: #0d6efd;
  --cooling-cyan: #0dcaf0;
  --neutral-gray: #6c757d;
  --dark-gray: #212529;
  --light-gray: #f8f9fa;
  --white: #ffffff;
  --gradient-heating: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
  --gradient-cooling: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
  --gradient-full: linear-gradient(135deg, #dc3545 0%, #fd7e14 25%, #0d6efd 75%, #0dcaf0 100%);
}

/* Global Styles */

body {
  font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--light-gray);
  margin: 0;
  padding: 0;
}

/* Header and Navigation */

.navbar-airtech {
  background: var(--gradient-full);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: white !important;
}

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

.navbar-nav .nav-link:hover {
  color: white !important;
  transform: translateY(-2px);
}

/* Hero Section */

.hero-section {
  background: var(--gradient-full);
  color: white;
  padding: 5rem 0;
  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 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,165.3C1248,171,1344,149,1392,138.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
  background-size: cover;
}

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

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

/* Buttons */

.btn-heating {
  background: var(--gradient-heating);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-heating:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(220, 53, 69, 0.4);
  color: white;
}

.btn-cooling {
  background: var(--gradient-cooling);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-cooling:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(13, 110, 253, 0.4);
  color: white;
}

.btn-gradient {
  background: var(--gradient-full);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
  color: white;
}

/* Cards */

.card-airtech {
  border: none;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  overflow: hidden;
}

.card-airtech:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-heating {
  border-top: 4px solid var(--heating-red);
}

.card-cooling {
  border-top: 4px solid var(--cooling-blue);
}

.card-gradient {
  background: var(--gradient-full);
  color: white;
}

/* Mascot Images */

.mascot-container {
  position: relative;
  text-align: center;
  margin: 2rem 0;
}

.mascot-image {
  max-width: 300px;
  width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.mascot-image:hover {
  transform: scale(1.05) rotate(2deg);
}

.mascot-cooling {
  border: 4px solid var(--cooling-blue);
}

.mascot-heating {
  border: 4px solid var(--heating-red);
}

/* Newsletter Section */

.newsletter-section {
  background: var(--white);
  color: var(--cooling-blue);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

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

.newsletter-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Membership Plans */

.membership-card {
  position: relative;
  background: white;
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  height: 100%;
}

.membership-card:hover {
  transform: translateY(-10px);
  border-color: var(--cooling-blue);
  box-shadow: 0 10px 30px rgba(13, 110, 253, 0.2);
}

.membership-card.elite {
  background: var(--gradient-full);
  color: white;
  border-color: var(--heating-orange);
}

.membership-card .price {
  font-size: 3rem;
  font-weight: 700;
  margin: 1rem 0;
}

.membership-card .price-currency {
  font-size: 1.5rem;
  vertical-align: super;
}

.membership-card .price-period {
  font-size: 1rem;
  color: var(--neutral-gray);
}

.membership-card.elite .price-period {
  color: rgba(255, 255, 255, 0.8);
}

.membership-features {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  text-align: left;
}

.membership-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.membership-card.elite .membership-features li {
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.membership-features li i {
  color: var(--cooling-blue);
  margin-right: 0.5rem;
}

.membership-card.elite .membership-features li i {
  color: var(--heating-orange);
}

/* Footer */

.footer-airtech {
  background: var(--dark-gray);
  color: white;
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

.footer-section h5 {
  color: var(--cooling-cyan);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

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

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--cooling-cyan);
}

.social-icons a {
  display: inline-block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  border-radius: 50%;
  background: var(--gradient-full);
  color: white;
  margin-right: 0.5rem;
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-icons a:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

/* Utility Classes */

.text-gradient {
  background: var(--gradient-full);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.section-padding {
  padding: 4rem 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  text-align: center;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--neutral-gray);
  text-align: center;
  margin-bottom: 3rem;
}

/* Animations */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

/* Responsive Design */

@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-subtitle {
    font-size: 1.2rem;
  }
}

@media (max-width: 768px) {
  .newsletter-title {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .mascot-image {
    max-width: 200px;
  }
}