/* CSS Variables - 2025 Pure-Air Palette */
:root {
  --color-primary: #003840;
  --color-secondary: #7BCF6B;
  --color-bg-main: #F8FBFD;
  --color-bg-section: #D9ECF7;
  --color-text-main: #003840;
  --color-text-light: #6B7A85;
  --color-separator: #C8D1D6;
  --color-card-bg: rgba(248, 251, 253, 0.85);
  
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  
  --shadow-sm: 0 2px 8px rgba(0, 56, 64, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 56, 64, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 56, 64, 0.16);
  
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg-main);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary);
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-main);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
}

/* Header */
.site-header {
  background: var(--color-card-bg);
  backdrop-filter: blur(10px);
  padding: var(--space-md) var(--space-lg);
  position: relative;
  border-bottom: 1px solid rgba(200, 209, 214, 0.3);
  transition: transform var(--transition-base);
  z-index: 1000;
}

.site-header.hidden-on-scroll {
  transform: translateY(-100%);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.brand-name {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex: 1;
  justify-content: flex-end;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-menu li a {
  font-size: 0.95rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.nav-menu li a:hover {
  background: rgba(123, 207, 107, 0.1);
}

.burger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  z-index: 10000;
  position: relative;
}

.burger-btn span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.burger-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.burger-btn.active span:nth-child(2) {
  opacity: 0;
}

.burger-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xxl) var(--space-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-bg-main) 0%, var(--color-bg-section) 100%);
}

.hero-content {
  max-width: 1200px;
  text-align: center;
  z-index: 2;
  position: relative;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  color: var(--color-text-light);
}

.hero-cta {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-secondary);
  color: white;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hero-cta:hover {
    color:white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Airflow Waves */
.airflow-waves {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  overflow: hidden;
  z-index: 1;
}

.wave {
  position: absolute;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(217, 236, 247, 0.5), transparent);
  animation: wave-flow 15s infinite linear;
}

.wave:nth-child(2) {
  animation-delay: -5s;
  opacity: 0.7;
}

.wave:nth-child(3) {
  animation-delay: -10s;
  opacity: 0.5;
}

@keyframes wave-flow {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}

/* Floating Bubbles */
.floating-bubbles {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
  pointer-events: none;
}

.bubble {
  position: absolute;
  border-radius: 50%;
  background: rgba(123, 207, 107, 0.1);
  animation: float-up 20s infinite;
}

@keyframes float-up {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) scale(1);
    opacity: 0;
  }
}

/* Main Content */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-lg);
}

/* Sections */
.content-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl);
  background: var(--color-card-bg);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.content-section:hover {
  box-shadow: var(--shadow-md);
}

.section-title {
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--color-secondary);
  border-radius: 2px;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.card {
  background: var(--color-card-bg);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid rgba(200, 209, 214, 0.2);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.card-description {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-separator);
}

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-separator);
}

.comparison-table th {
  background: var(--color-bg-section);
  font-weight: 600;
  color: var(--color-primary);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

/* Rating System */
.rating-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background: var(--color-card-bg);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.rating-label {
  font-weight: 500;
  flex: 1;
}

.rating-bars {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  flex: 2;
}

.rating-bar {
  height: 8px;
  background: var(--color-separator);
  border-radius: var(--radius-sm);
  flex: 1;
  position: relative;
  overflow: hidden;
}

.rating-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-secondary), #5CB85C);
  border-radius: var(--radius-sm);
  transition: width var(--transition-slow);
}

.rating-score {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-secondary);
  min-width: 60px;
  text-align: right;
}

/* Form Styles */
.contact-form {
  max-width: 700px;
  margin: var(--space-xl) auto;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--color-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-separator);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background: white;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(123, 207, 107, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.checkbox-group input[type="checkbox"] {
  margin-top: 4px;
  cursor: pointer;
}

.checkbox-group label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  cursor: pointer;
}

.submit-btn {
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-secondary);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.submit-btn:hover {
    color:white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.submit-btn:active {
  transform: translateY(0);
}

/* Google Maps */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin: var(--space-lg) 0;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: white;
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.footer-section h3 {
  color: white;
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

.footer-menu {
  list-style: none;
}

.footer-menu li {
  margin-bottom: var(--space-sm);
}

.footer-menu a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-menu a:hover {
  color: var(--color-secondary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Privacy Popup */
.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background: var(--color-card-bg);
  backdrop-filter: blur(10px);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  z-index: 1000;
  display: none;
  border: 1px solid rgba(200, 209, 214, 0.3);
}

.privacy-popup.active {
  display: block;
  animation: slide-up 0.3s ease;
}

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

.popup-content {
  margin-bottom: var(--space-md);
}

.popup-content p {
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

.popup-actions {
  display: flex;
  gap: var(--space-sm);
}

.popup-btn {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.popup-accept {
  background: var(--color-secondary);
  color: white;
  flex: 1;
}

.popup-accept:hover {
    color:white;
  background: #6BB85B;
}

.popup-decline {
  background: transparent;
  color: var(--color-text-light);
  border: 1px solid var(--color-separator);
}

/* Thank You Page */
.thank-you-section {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thank-you-content {
  max-width: 600px;
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-lg);
}

/* 404 Page */
.error-page {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-code {
  font-size: 8rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

/* Clean Home Score */
.score-display {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-primary);
}

/* Date Display */
.date {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: var(--space-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: var(--space-xxl) var(--space-lg);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-base);
    z-index: 9999;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .nav-menu.active {
    right: 0;
  }

  .burger-btn {
    display: flex;
    order: 999;
  }

  .main-nav {
    order: 998;
  }

  .header-container {
    justify-content: space-between;
  }

  .hero-section {
    min-height: 60vh;
    padding: var(--space-xl) var(--space-md);
  }

  main {
    padding: var(--space-lg) var(--space-md);
  }

  .content-section {
    padding: var(--space-md);
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .privacy-popup {
    bottom: var(--space-md);
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }

  .comparison-table {
    font-size: 0.9rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--space-sm);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .hero-section {
    min-height: 50vh;
  }

  .error-code {
    font-size: 5rem;
  }

  .map-container {
    height: 300px;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }

  .header-container {
    padding: var(--space-sm);
  }

  main {
    padding: var(--space-md) var(--space-sm);
  }
}

/* Dust Particles Animation */
.dust-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(200, 209, 214, 0.5);
  border-radius: 50%;
  animation: particle-fade 10s infinite;
}

@keyframes particle-fade {
  0%, 100% {
    opacity: 0;
    transform: translateY(0) scale(0);
  }
  50% {
    opacity: 1;
    transform: translateY(-100vh) scale(1);
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Utility Classes */
.img-responsive {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.img-rounded {
  border-radius: var(--radius-md);
}

.grid-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.grid-auto-fit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.list-unstyled {
  list-style: none;
  padding: 0;
}

.list-item-flex {
  padding: var(--space-md);
  background: var(--color-card-bg);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.list-item-border {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-separator);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.list-item-border:last-child {
  border-bottom: none;
}

.footer-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

.footer-text:last-child {
  margin-bottom: 0;
}

.flex-center {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-outline {
  padding: var(--space-md) var(--space-xl);
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
  border-radius: var(--radius-lg);
  font-weight: 600;
  display: inline-block;
  transition: all var(--transition-fast);
}

.btn-outline:hover {
  background: var(--color-secondary);
  color: white;
}

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

.icon-list-item {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-separator);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.icon-list-item:last-child {
  border-bottom: none;
}

.checkbox-list-item {
  padding: var(--space-sm) 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.card-center {
  text-align: center;
}

.clean-home-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.error-message-p {
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
  color: var(--color-text-light);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.thank-you-h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-lg);
}

.thank-you-p {
  font-size: 1.2rem;
  margin-bottom: var(--space-xl);
  color: var(--color-text-light);
}

.thank-you-p-secondary {
  margin-bottom: var(--space-xl);
  color: var(--color-text-light);
}

.contact-icon-card {
  text-align: center;
}

.icon-secondary {
  color: var(--color-secondary);
}

.icon-white {
  color: white;
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.card-link {
  padding: var(--space-lg);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform var(--transition-base);
  display: block;
}

.icon-large {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  display: block;
}

.text-small {
  font-size: 0.9rem;
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

.list-spaced {
  margin: var(--space-lg) 0;
}

.link-secondary {
  color: var(--color-secondary);
  font-weight: 500;
}

.energy-text {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.icon-small {
  width: 18px;
}

.mt-xl {
  margin-top: var(--space-xl);
}

.mt-md {
  margin-top: var(--space-md);
}

.icon-list-item-start {
  padding: var(--space-md);
  background: var(--color-card-bg);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.icon-arrow {
  color: var(--color-secondary);
  margin-top: 4px;
}

.icon-xl {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  display: block;
}

.btn-center {
  max-width: 300px;
  margin: 0 auto;
  display: block;
}

.card-print {
  text-align: center;
  padding: var(--space-xl);
  margin-top: var(--space-lg);
}

.list-top-spaced {
  margin-top: var(--space-md);
}

.checkbox-item {
  padding: var(--space-sm) 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.checkbox-input {
  cursor: pointer;
}

.mb-md {
  margin-bottom: var(--space-md);
}

@media (max-width: 768px) {
  .grid-two-col,
  .clean-home-grid {
    grid-template-columns: 1fr;
  }
}