/* 
  Theme: EAAirconditioning
  Style Direction: Clean, modern, trustworthy trade business.
  Colors: Sky blue, white, charcoal, subtle silver.
*/

:root {
  /* Colors */
  --color-primary: #0077c8; /* Sky Blue / Cooler Blue */
  --color-primary-dark: #005a96;
  --color-secondary: #00a8e8; /* Lighter vivid blue for gradients */
  --color-dark: #2c3e50; /* Charcoal */
  --color-darker: #1a252f;
  --color-text: #4a5568;
  --color-light: #f8f9fa;
  --color-white: #ffffff;
  --color-border: #e2e8f0;
  --color-silver: #cbd5e1;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;   /* 8px */
  --space-sm: 1rem;     /* 16px */
  --space-md: 1.5rem;   /* 24px */
  --space-lg: 2rem;     /* 32px */
  --space-xl: 3rem;     /* 48px */
  --space-xxl: 5rem;    /* 80px */

  /* Layout */
  --container-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.6;
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* For fixed header */
}

body {
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); font-weight: 600; }
h3 { font-size: 1.5rem; font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }

p {
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
}

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

a:hover {
  color: var(--color-primary-dark);
}

ul {
  list-style: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xxl) 0;
}

.bg-light {
  background-color: var(--color-light);
}

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

.flex-1 {
  flex: 1;
}

.section-tag {
  display: inline-block;
  background-color: var(--color-light);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-dark);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-light);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-dark);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-block {
  width: 100%;
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
  padding: 0.5rem 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon {
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: -0.5px;
}

.desktop-nav ul {
  display: flex;
  gap: 2rem;
}

.desktop-nav a {
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--color-primary);
}

.nav-contact {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.mobile-menu-toggle span {
  width: 100%;
  height: 3px;
  background-color: var(--color-dark);
  border-radius: 3px;
  transition: all var(--transition-base);
}

.mobile-nav {
  display: none;
  position: absolute;
  top: 80px;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  padding: var(--space-md);
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav.open {
  display: block;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav a {
  display: block;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-dark);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-light);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 160px 0 var(--space-xxl);
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg-accent {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(0, 168, 232, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  z-index: -1;
}

.hero-content {
  max-width: 800px;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-md);
  color: var(--color-dark);
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  max-width: 650px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.hero-contact-info {
  font-size: 1rem;
  color: var(--color-text);
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

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

.check-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.75rem;
  font-weight: 500;
  color: var(--color-dark);
}

.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 20px;
  height: 20px;
  background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 0C4.48 0 0 4.48 0 10C0 15.52 4.48 20 10 20C15.52 20 20 15.52 20 10C20 4.48 15.52 0 10 0ZM8 15L3 10L4.41 8.59L8 12.17L15.59 4.58L17 6L8 15Z' fill='%230077c8'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.premium-abstract-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 3rem;
  height: 100%;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.premium-abstract-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
  border-radius: 50%;
}

.card-glass-content {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 100%;
}

.card-glass-content h3 {
  color: var(--color-white);
  font-size: 2.5rem;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.accent-line {
  height: 4px;
  width: 60px;
  background-color: var(--color-secondary);
  border-radius: 2px;
}

/* Services */
.section-header {
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

.service-cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.service-card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}

.service-icon {
  width: 64px;
  height: 64px;
  background-color: rgba(0, 119, 200, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

/* Why Us */
.why-us-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-xxl);
}

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

.feature-item {
  display: flex;
  gap: 1rem;
}

.feature-icon {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item h4 {
  margin-bottom: 0.25rem;
}

.feature-item p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

.trust-details-card {
  background: var(--color-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.trust-card-header {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 2rem;
}

.trust-card-header h3 {
  color: var(--color-white);
  margin: 0;
}

.trust-card-body {
  padding: 2rem;
}

.credentials-list li {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}

.credentials-list li:last-child {
  margin-bottom: 0;
}

.credentials-list strong {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}

.highlight-text {
  color: var(--color-primary) !important;
}

.highlight-badge {
  display: inline-block;
  background-color: rgba(0, 119, 200, 0.1);
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 1.25rem;
  margin-top: 0.5rem;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-xl);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: var(--space-lg);
}

.contact-method-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.contact-method-card:hover {
  background: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.icon-circle {
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.method-details {
  display: flex;
  flex-direction: column;
}

.method-details .label {
  font-size: 0.875rem;
  color: var(--color-text);
  font-weight: 500;
}

.method-details .value {
  font-size: 1.125rem;
  color: var(--color-dark);
  font-weight: 700;
  font-family: var(--font-heading);
}

.contact-form-wrapper {
  background: var(--color-white);
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

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

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background-color: var(--color-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(0, 119, 200, 0.1);
}

/* Footer */
.footer {
  background-color: var(--color-darker);
  color: var(--color-silver);
  padding-top: var(--space-xl);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo .logo-text {
  color: var(--color-white);
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  gap: 4rem;
  flex-wrap: wrap;
}

.footer-col h4 {
  color: var(--color-white);
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.footer-col p {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.footer-col a {
  color: var(--color-silver);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.875rem;
}

.footer-bottom p {
  margin: 0;
}

/* Mobile Sticky CTA */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-white);
  padding: 0.75rem var(--space-md);
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  gap: 1rem;
}

/* Media Queries */
@media (max-width: 992px) {
  .about-grid,
  .why-us-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .premium-abstract-card {
    min-height: 300px;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  
  .desktop-nav,
  .nav-contact {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero {
    padding-top: 120px;
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-bg-accent {
    opacity: 0.5;
  }
  
  .features-list {
    grid-template-columns: 1fr;
  }
  
  .contact-form-wrapper {
    padding: 1.5rem;
  }
  
  .mobile-sticky-cta {
    display: flex;
  }
  
  /* Add padding to footer to account for sticky CTA */
  .footer {
    padding-bottom: 70px; /* roughly height of the mobile sticky cta */
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-large {
    width: 100%;
  }
}

/* --- New Refinement Styles --- */

/* Service Best For */
.service-best-for {
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

/* Area Chips */
.area-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  max-width: 800px;
  margin: 0 auto;
}

.chip {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: var(--space-xl);
}

.gallery-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.gallery-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-base);
}

.gallery-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.gallery-card:hover img {
  transform: scale(1.05);
}

.gallery-caption {
  padding: 1.25rem;
  font-weight: 600;
  color: var(--color-dark);
  font-family: var(--font-heading);
  text-align: left;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
}

/* Testimonials Grid */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  text-align: center;
}

.testimonial-content p {
  font-style: italic;
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

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

/* Contact Form Overrides */
.row-group {
  display: flex;
  gap: 1rem;
}

.half-width {
  flex: 1;
}

.form-helper {
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  font-weight: 500;
}

/* Business Details */
.center-card {
  max-width: 800px;
  margin: 0 auto;
}

.grid-credentials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

/* Footer Local SEO */
.footer-seo-line {
  margin-top: 1rem !important;
  font-size: 0.85rem !important;
  color: rgba(255, 255, 255, 0.4) !important;
  line-height: 1.5;
}

/* Make Mobile Sticky CTA slightly more prominent */
.mobile-sticky-cta {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.08); /* Stronger shadow */
}

.mobile-btn {
  padding: 0.9rem;
  font-size: 1.1rem;
}

@media (max-width: 768px) {
  .row-group {
    flex-direction: column;
    gap: 0;
  }
}