/* Slide-in Drawer Navigation (Mobile Only) */
.mobile-drawer {
  display: none;
}
.drawer-overlay {
  display: none;
}
@media (max-width: 768px) {
  .mobile-drawer {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 5000;
    pointer-events: none;
  }
  .mobile-drawer.active {
    pointer-events: auto;
  }
  .drawer-content {
    position: fixed;
    top: 0;
    left: -80vw;
    width: 80vw;
    max-width: 340px;
    height: 100vh;
    background: #fff;
    box-shadow: 2px 0 16px rgba(0, 0, 0, 0.15);
    z-index: 5100;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }
  .mobile-drawer.active .drawer-content {
    left: 0;
  }
  .drawer-overlay {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.3);
    z-index: 5050;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
  }
  .mobile-drawer.active .drawer-overlay {
    opacity: 1;
    pointer-events: auto;
  }
  .drawer-close {
    background: none;
    border: none;
    font-size: 2rem;
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 5200;
    cursor: pointer;
  }
  .drawer-menu {
    list-style: none;
    padding: 2.5rem 1.5rem 1.5rem 1.5rem;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
  }
  .drawer-menu a {
    font-size: 1.1rem;
    color: #003366;
    text-decoration: none;
    font-weight: 600;
    padding: 0.7em 1em;
    border-radius: 1em;
    transition: background 0.2s, color 0.2s;
    display: block;
  }
  .drawer-menu a:hover {
    background: #e8f8f5;
    color: #0077be;
  }
  .drawer-menu .emergency-link {
    background: #ff6b35 !important;
    color: #fff !important;
    animation: pulse 2s infinite;
  }
}
/* 
 * =============================================================================
 * AIRNOW.AC WEBSITE STYLES - FLORIDA KEYS HVAC COMPANY
 * =============================================================================
 * 
 * PROFESSIONAL HVAC WEBSITE WITH TROPICAL FLORIDA KEYS THEME
 * - Mobile-first responsive design optimized for all devices
 * - Dark mode support with smooth transitions
 * - SEO-optimized structure with semantic HTML
 * - Accessibility features built-in (WCAG 2.1 compliant)
 * - Performance optimized with efficient CSS
 * - Easy to edit colors and spacing for customization
 * 
 * VERSION: 2.0
 * LAST UPDATED: 2025
 * 
 * =============================================================================
 * TABLE OF CONTENTS:
 * 1. CSS Variables (Colors, Fonts, Spacing)
 * 2. Base Styles & Typography
 * 3. Layout Components
 * 4. Header & Navigation
 * 5. Dark Mode Styles
 * 6. Button Styles
 * 7. Footer Styles
 * 8. Page-Specific Styles
 * 9. Responsive Design
 * 10. Utility Classes
 * =============================================================================
 */

/* =============================================================================
 * 1. CSS VARIABLES - EASY CUSTOMIZATION
 * =============================================================================
 * 
 * INSTRUCTIONS FOR EDITING:
 * - All colors use HEX format for easy editing
 * - Transparency values are in percentages (0-100)
 * - Change these values to customize the entire site
 * - Font sizes use rem units (1rem = 16px by default)
 * - Spacing uses rem units for consistency
 */

:root {
  /* 
   * PRIMARY COLORS - Ocean & Tropical Theme
   * Edit these HEX values to change the main color scheme
   */
  --color-ocean-blue: #0077be; /* Main brand blue - used for buttons, links */
  --color-tropical-teal: #17a2b8; /* Accent teal - used for highlights */
  --color-sea-foam: #e8f8f5; /* Light background - used for sections */
  --color-deep-ocean: #004a6b; /* Dark blue - used for text */

  /* 
   * ACCENT COLORS - Sunset & Coral
   * These add warmth and energy to the design
   */
  --color-sunset-orange: #ff6b35; /* Emergency/CTA buttons */
  --color-coral-pink: #ff8a80; /* Hover states */
  --color-lime-green: #32cd32; /* Success states */
  --color-palm-green: #228b22; /* Dark success */

  /* 
   * NEUTRAL COLORS - Foundation
   * Base colors for text, backgrounds, and borders
   */
  --color-pure-white: #ffffff; /* Pure white backgrounds */
  --color-coconut-white: #fefefe; /* Slightly off-white */
  --color-light-gray: #f8f9fa; /* Light gray backgrounds */
  --color-medium-gray: #dee2e6; /* Medium gray borders */
  --color-dark-gray: #6c757d; /* Dark gray text */
  --color-charcoal: #343a40; /* Main text color */

  /* 
   * DARK MODE COLORS
   * Darker versions for night mode viewing
   */
  --color-dark-bg: #1a1a2e; /* Dark background (not pure black) */
  --color-dark-surface: #16213e; /* Dark card backgrounds */
  --color-dark-border: #0f3460; /* Dark borders */
  --color-dark-text: #e4e6ea; /* Light text for dark mode */
  --color-dark-text-secondary: #8a8d93; /* Secondary text for dark mode */

  /* 
   * TRANSPARENCY VALUES - Easy to Edit
   * Change these percentages to adjust opacity
   * Format: opacity-[purpose]-[percentage]
   */
  --opacity-light: 0.1; /* 10% - Very light overlays */
  --opacity-medium: 0.3; /* 30% - Medium overlays */
  --opacity-strong: 0.7; /* 70% - Strong overlays */
  --opacity-subtle: 0.05; /* 5% - Very subtle effects */

  /* 
   * TROPICAL BACKGROUND IMAGES
   * Paths to background images with transparency
   */
  --bg-tropical-pattern: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 60 60"><defs><pattern id="diamond" x="0" y="0" width="30" height="30" patternUnits="userSpaceOnUse"><polygon points="15,0 30,15 15,30 0,15" fill="%23ffffff" fill-opacity="0.03"/></pattern></defs><rect width="60" height="60" fill="url(%23diamond)"/></svg>');
  --bg-wave-pattern: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="20" viewBox="0 0 100 20"><path d="M0 10 Q25 0 50 10 T100 10 V20 H0 Z" fill="%23ffffff" fill-opacity="0.05"/></svg>');

  /* 
   * TYPOGRAPHY - Font Families and Sizes
   * Uses Google Fonts with system font fallbacks
   */
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-secondary: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-accent: "Inter", sans-serif;

  /* 
   * FONT SIZES - Responsive Typography Scale
   * Based on 16px root size, scales appropriately
   */
  --font-size-xs: 0.75rem; /* 12px - Small labels */
  --font-size-sm: 0.875rem; /* 14px - Secondary text */
  --font-size-base: 1rem; /* 16px - Body text */
  --font-size-lg: 1.125rem; /* 18px - Large text */
  --font-size-xl: 1.25rem; /* 20px - Subheadings */
  --font-size-2xl: 1.5rem; /* 24px - Section headings */
  --font-size-3xl: 1.875rem; /* 30px - Page headings */
  --font-size-4xl: 2.25rem; /* 36px - Hero headings */
  --font-size-5xl: 3rem; /* 48px - Large hero text */

  /* 
   * SPACING SYSTEM - Consistent Layout
   * All spacing based on 0.25rem (4px) increments
   */
  --spacing-xs: 0.25rem; /* 4px */
  --spacing-sm: 0.5rem; /* 8px */
  --spacing-md: 1rem; /* 16px */
  --spacing-lg: 1.5rem; /* 24px */
  --spacing-xl: 2rem; /* 32px */
  --spacing-2xl: 2.5rem; /* 40px */
  --spacing-3xl: 3rem; /* 48px */
  --spacing-4xl: 4rem; /* 64px */

  /* 
   * CONTAINER WIDTHS - Layout Constraints
   */
  --container-max: 1200px; /* Maximum content width */
  --container-narrow: 800px; /* Narrow content width */

  /* 
   * BORDER RADIUS - Rounded Corners
   */
  --radius-sm: 0.25rem; /* 4px - Small elements */
  --radius-md: 0.5rem; /* 8px - Standard elements */
  --radius-lg: 0.75rem; /* 12px - Cards */
  --radius-xl: 1rem; /* 16px - Large cards */
  --radius-full: 9999px; /* Full rounded - buttons */

  /* 
   * TRANSITIONS - Smooth Animations
   */
  --transition-fast: 0.15s ease; /* Quick interactions */
  --transition-normal: 0.3s ease; /* Standard transitions */
  --transition-slow: 0.5s ease; /* Slow animations */

  /* 
   * SHADOWS - Depth and Elevation
   * Subtle shadows for depth without being overwhelming
   */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

  /* 
   * Z-INDEX LAYERS - Stacking Order
   * Organized layers to prevent z-index conflicts
   */
  --z-dropdown: 1000; /* Dropdown menus */
  --z-sticky: 1020; /* Sticky headers */
  --z-fixed: 1030; /* Fixed elements */
  --z-modal: 1050; /* Modals and overlays */
}

/* =============================================================================
 * 2. BASE STYLES & TYPOGRAPHY
 * =============================================================================
 * 
 * Foundation styles that apply to all elements
 * Sets up consistent box model and base typography
 */

/* 
 * Universal Box Sizing
 * Ensures consistent sizing calculations across all elements
 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* 
 * HTML Root Styles
 * Sets base font size and smooth scrolling
 */
html {
  font-size: 16px; /* Base font size for rem calculations */
  scroll-behavior: smooth; /* Smooth scrolling for anchor links */
  height: 100%;
}

/* 
 * Body Styles
 * Main container styles and typography foundation
 */
body {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.6; /* Comfortable reading line height */
  color: var(--color-charcoal);
  background-color: var(--color-pure-white);
  overflow-x: hidden; /* Prevent horizontal scroll */
  min-height: 100%;
  transition: background-color var(--transition-normal),
    color var(--transition-normal);
}

/* 
 * Dark Mode Body Styles
 * Applied when dark mode is active
 */
body.dark-mode {
  background-color: var(--color-dark-bg);
  color: var(--color-dark-text);
}

/* 
 * HEADING STYLES
 * Consistent hierarchy for all headings
 */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.2; /* Tighter line height for headings */
  margin-bottom: var(--spacing-md);
  color: var(--color-deep-ocean);
  transition: color var(--transition-normal);
}

/* Dark mode heading colors */
.dark-mode h1,
.dark-mode h2,
.dark-mode h3,
.dark-mode h4,
.dark-mode h5,
.dark-mode h6 {
  color: var(--color-dark-text);
}

/* Individual heading sizes */
h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: 600;
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

h5 {
  font-size: var(--font-size-lg);
  font-weight: 500;
}

h6 {
  font-size: var(--font-size-base);
  font-weight: 500;
}

/* 
 * PARAGRAPH STYLES
 * Comfortable reading experience
 */
p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7; /* Generous line height for readability */
}

/* 
 * LINK STYLES
 * Consistent link appearance and interactions
 */
a {
  color: var(--color-ocean-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-tropical-teal);
}

/* Dark mode link colors */
.dark-mode a {
  color: var(--color-tropical-teal);
}

.dark-mode a:hover {
  color: var(--color-lime-green);
}

/* 
 * LIST STYLES
 * Consistent spacing and indentation
 */
ul,
ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

li {
  margin-bottom: var(--spacing-xs);
}

/* 
 * IMAGE STYLES
 * Responsive images by default
 */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* =============================================================================
 * 3. LAYOUT COMPONENTS
 * =============================================================================
 * 
 * Reusable layout components used throughout the site
 */

/* 
 * CONTAINER COMPONENT
 * Centers content and sets maximum width
 * USAGE: Wrap page sections in <div class="container">
 */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* 
 * NARROW CONTAINER
 * For content that needs to be more focused/readable
 * USAGE: Use for text-heavy content like blog posts
 */
.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* 
 * SKIP LINK FOR ACCESSIBILITY
 * Hidden by default, shows on keyboard focus
 * IMPORTANT: Required for accessibility compliance
 */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-ocean-blue);
  color: var(--color-pure-white);
  padding: 8px;
  text-decoration: none;
  border-radius: var(--radius-md);
  z-index: var(--z-modal);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 6px;
}

/* 
 * TEXT UTILITY CLASSES
 * Quick text alignment options
 */
.text-center {
  text-align: center;
}

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

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

/* 
 * LEAD TEXT STYLE
 * For introductory paragraphs and important text
 */
.lead {
  font-size: var(--font-size-lg);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-dark-gray);
}

.dark-mode .lead {
  color: var(--color-dark-text-secondary);
}

/* =============================================================================
 * 4. HEADER & NAVIGATION STYLES
 * =============================================================================
 * 
 * Responsive navigation with mobile menu and desktop layout
 * Includes dark mode toggle and phone button
 */

/* 
 * MAIN HEADER CONTAINER
 * Sticky header with subtle shadow and background
 */
.site-header {
  background: var(--color-pure-white);
  border-bottom: 2px solid var(--color-sea-foam);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);

  /* Add tropical pattern background */
  background-image: var(--bg-tropical-pattern);
  background-size: 60px 60px;
}

/* Dark mode header */
.dark-mode .site-header {
  background: var(--color-dark-surface);
  border-bottom-color: var(--color-dark-border);
}

/* 
 * HEADER INNER CONTAINER
 * Flexible layout for logo, contact info, and navigation
 */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  gap: var(--spacing-lg);
}

/* 
 * LOGO STYLES
 * Company branding with icon and text
 */
.site-logo {
  flex-shrink: 0; /* Prevent logo from shrinking */
}

.logo-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  color: var(--color-ocean-blue);
  transition: color var(--transition-fast);
}

.logo-icon {
  font-size: var(--font-size-3xl);
  color: var(--color-tropical-teal);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-secondary);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-ocean-blue);
  line-height: 1;
}

.logo-tagline {
  font-size: var(--font-size-sm);
  color: var(--color-tropical-teal);
  font-weight: 500;
}

/* Dark mode logo colors */
.dark-mode .logo-content {
  color: var(--color-dark-text);
}

.dark-mode .logo-name {
  color: var(--color-dark-text);
}

/* 
 * HEADER CONTACT INFO
 * Phone button and dark mode toggle
 */
.header-contact-info {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-direction: column;
}

/* 
 * PHONE BUTTON STYLES
 * Prominent call-to-action button in header
 */
.phone-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  /* Easily editable button styles below: */
  background: var(--phone-button-color, #00bcd4); /* Button color */
  color: var(--color-pure-white); /* Text color */
  font-weight: var(--phone-button-font-weight, 600); /* Font weight */
  font-size: var(
    --phone-button-font-size,
    0.8em
  ); /* Font size in em units, default 1.125em */
  text-decoration: none;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.phone-button:hover {
  background: var(--color-tropical-teal);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-pure-white);
}

/* Dark mode phone button */
.dark-mode .phone-button {
  background: var(--color-tropical-teal);
}

.dark-mode .phone-button:hover {
  background: var(--color-lime-green);
}

/* 
 * CONTACT LABEL - Mobile Only
 * Shows "Call or Text Matt" only on mobile devices
 */
.contact-label {
  font-size: var(--font-size-xs);
  color: var(--color-dark-gray);
  display: none; /* Hidden by default */
}

.dark-mode .contact-label {
  color: var(--color-dark-text-secondary);
}

/* 
 * DARK MODE TOGGLE BUTTON
 * Switch between light and dark themes
 */
.dark-mode-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-sea-foam);
  border: 2px solid var(--color-ocean-blue);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dark-mode-toggle:hover {
  background: var(--color-ocean-blue);
  transform: scale(1.05);
}

.dark-mode-toggle:hover .mode-icon {
  transform: scale(1.1);
}

.mode-icon {
  font-size: var(--font-size-lg);
  transition: transform var(--transition-fast);
}

/* Dark mode toggle in dark mode */
.dark-mode .dark-mode-toggle {
  background: var(--color-dark-surface);
  border-color: var(--color-tropical-teal);
}

.dark-mode .dark-mode-toggle:hover {
  background: var(--color-tropical-teal);
}

/* 
 * MOBILE MENU TOGGLE
 * Hamburger menu for mobile navigation
 */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: none;
  border: none;
  padding: var(--spacing-sm);
  cursor: pointer;
  width: 40px;
  height: 40px;
}

.hamburger-line {
  width: 25px;
  height: 3px;
  background: var(--color-ocean-blue);
  margin: 2px 0;
  transition: var(--transition-fast);
  border-radius: var(--radius-sm);
}

/* Dark mode hamburger */
.dark-mode .hamburger-line {
  background: var(--color-dark-text);
}

/* Animated hamburger to X transformation */
.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* 
 * PRIMARY NAVIGATION
 * Main site navigation menu
 */
.primary-navigation {
  display: flex;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-item {
  position: relative;
}

/* 
 * NAVIGATION LINKS
 * Individual menu items with hover effects
 */
.nav-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-charcoal);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  background: var(--color-sea-foam);
  color: var(--color-ocean-blue);
}

/* Dark mode navigation */
.dark-mode .nav-link {
  color: var(--color-dark-text);
}

.dark-mode .nav-link:hover {
  background: var(--color-dark-surface);
  color: var(--color-tropical-teal);
}

/* Current page indicator */
.current-menu-item .nav-link {
  background: var(--color-ocean-blue);
  color: var(--color-pure-white);
}

.dark-mode .current-menu-item .nav-link {
  background: var(--color-tropical-teal);
}

/* Emergency link styling */
.emergency-link {
  background: var(--color-sunset-orange) !important;
  color: var(--color-pure-white) !important;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 107, 53, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 107, 53, 0);
  }
}

/* 
 * DROPDOWN SUBMENU
 * Submenu for services navigation
 */
.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-pure-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  list-style: none;
  margin: 0;
  padding: var(--spacing-sm);
  min-width: 250px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.dark-mode .submenu {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
}

.nav-item:hover .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.submenu li {
  margin: 0;
}

.submenu a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-charcoal);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.submenu a:hover {
  background: var(--color-sea-foam);
  color: var(--color-ocean-blue);
}

.dark-mode .submenu a {
  color: var(--color-dark-text);
}

.dark-mode .submenu a:hover {
  background: var(--color-dark-bg);
  color: var(--color-tropical-teal);
}

/* 
 * MOBILE-ONLY ELEMENTS
 * Hidden by default, shown only on mobile
 */
.mobile-only {
  display: none;
}

/* --- HOMEPAGE & HERO SECTION EFFECTS --- */
.hero-section {
  background: linear-gradient(135deg, #0077be, #009688);
  color: #ffffff;
  padding: 64px 0;
  text-align: center;
  position: relative;
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
}
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("images/split1.png") no-repeat center center;
  background-size: cover;
  filter: blur(3px) brightness(0.8);
  z-index: 0;
}
.hero-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: url("data:image/svg+xml;utf8,<svg width='100%' height='100%' xmlns='http://www.w3.org/2000/svg'><ellipse cx='50%' cy='60%' rx='45%' ry='20%' fill='white' fill-opacity='0.12'/><ellipse cx='50%' cy='60%' rx='35%' ry='15%' fill='white' fill-opacity='0.08'/><ellipse cx='50%' cy='60%' rx='25%' ry='10%' fill='white' fill-opacity='0.06'/></svg>");
  background-repeat: no-repeat;
  background-size: cover;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}
.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 32px;
  text-shadow: 2px 2px 4px #666666;
}
.hero-subtitle {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 48px;
  opacity: 1;
  line-height: 1.3;
  text-shadow: 1px 1px 3px #666666;
}
.hero-lead {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 32px;
  color: #01579b;
  background: #e0f7fa;
  text-shadow: 1px 1px 1px #cccccc;
  line-height: 1.6;
  padding: 16px 24px;
  border-radius: 12px;
  display: inline-block;
}
.hero-cta {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 48px;
}
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 36px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1.15rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
  border: 2px solid transparent;
  box-shadow: 0 2px 8px #cccccc;
  cursor: pointer;
  outline: none;
}
.cta-button:active {
  transform: scale(0.98);
}
.cta-button.primary {
  background: #0077be;
  color: #fff;
  border: none;
  box-shadow: 0 4px 16px #ff704333;
}
.cta-button.primary:hover,
cta-button.primary:focus {
  background: #005a94;
  color: #fff;
  box-shadow: 0 8px 24px #43a04733;
  transform: translateY(-2px) scale(1.03);
}
.cta-button.secondary {
  background: #e0f7fa;
  color: #0077be;
  border: 2px solid #e0f7fa;
  box-shadow: 0 2px 8px #cccccc;
}
.cta-button.secondary:hover,
.cta-button.secondary:focus {
  background: #fff;
  color: #0077be;
  border-color: #0077be;
  box-shadow: 0 4px 16px #0077be33;
  transform: translateY(-2px) scale(1.03);
}
.cta-button.accent {
  background: #ff6b35;
  color: #fff;
  border: none;
  box-shadow: 0 4px 16px #ff6b3533;
}
.cta-button.accent:hover,
.cta-button.accent:focus {
  background: #32cd32;
  color: #fff;
  box-shadow: 0 8px 24px #32cd3233;
  transform: translateY(-2px) scale(1.03);
}
.cta-button:focus {
  outline: 2px solid #43a047;
  outline-offset: 2px;
}

/* =============================================================================
 * 5. FOOTER STYLES
 * =============================================================================
 * 
 * Comprehensive footer with company information and links
 */

.site-footer {
  background: var(--color-charcoal);
  color: var(--color-light-gray);
  margin-top: auto;

  /* Add wave pattern background */
  background-image: var(--bg-wave-pattern);
  background-repeat: repeat-x;
  background-position: top;
}

.dark-mode .site-footer {
  background: var(--color-dark-surface);
}

.footer-main {
  padding: var(--spacing-4xl) 0 var(--spacing-2xl) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-3xl);
}

.footer-section h4 {
  color: var(--color-pure-white);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.footer-section h5 {
  color: var(--color-tropical-teal);
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: var(--color-light-gray);
  line-height: 1.6;
}

.footer-section a {
  color: var(--color-tropical-teal);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-pure-white);
}

/* Dark mode footer text */
.dark-mode .footer-section h4 {
  color: var(--color-dark-text);
}

.dark-mode .footer-section p {
  color: var(--color-dark-text-secondary);
}

/* Footer logo */
.footer-logo {
  margin-bottom: var(--spacing-xl);
}

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

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

.footer-logo .logo-tagline {
  color: var(--color-tropical-teal);
}

/* Footer contact info */
.footer-section .contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer-section .contact-icon {
  font-size: var(--font-size-lg);
  margin-top: var(--spacing-xs);
  flex-shrink: 0;
}

.footer-section .phone-link {
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-tropical-teal);
}

.emergency-hours {
  color: var(--color-sunset-orange);
  font-weight: 600;
}

/* Footer menus */
.footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-menu a {
  color: var(--color-light-gray);
  padding: var(--spacing-xs) 0;
  display: block;
  transition: all var(--transition-fast);
}

.footer-menu a:hover {
  color: var(--color-tropical-teal);
  padding-left: var(--spacing-sm);
}

/* Special footer sections */
.service-highlight {
  background: rgba(23, 162, 184, var(--opacity-light));
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-lg);
  border-left: 4px solid var(--color-tropical-teal);
}

.dark-mode .service-highlight {
  background: rgba(23, 162, 184, var(--opacity-medium));
}

/* Service areas grid */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.area-group h5 {
  color: var(--color-tropical-teal);
  margin-bottom: var(--spacing-md);
}

.area-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.area-group li {
  color: var(--color-light-gray);
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-md);
  position: relative;
}

.area-group li::before {
  content: "📍";
  position: absolute;
  left: 0;
}

.coverage-note {
  background: rgba(23, 162, 184, var(--opacity-light));
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-lg);
  border-left: 4px solid var(--color-tropical-teal);
}

/* Emergency contact */
.emergency-contact {
  background: rgba(255, 107, 53, var(--opacity-light));
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-lg);
  border-left: 4px solid var(--color-sunset-orange);
  text-align: center;
}

.emergency-button {
  display: inline-block;
  background: var(--color-sunset-orange);
  color: var(--color-pure-white) !important;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-weight: 600;
  margin: var(--spacing-md) 0;
  transition: all var(--transition-fast);
}

.emergency-button:hover {
  background: var(--color-coral-pink);
  transform: translateY(-2px);
}

.emergency-note {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  margin-top: var(--spacing-md) !important;
}

/* Footer credentials */
.footer-credentials {
  background: rgba(0, 0, 0, var(--opacity-medium));
  padding: var(--spacing-xl) 0;
  border-top: 1px solid rgba(255, 255, 255, var(--opacity-light));
}

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

.credential-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.credential-icon {
  font-size: var(--font-size-xl);
  color: var(--color-tropical-teal);
  flex-shrink: 0;
}

.credential-text {
  flex: 1;
}

.credential-text strong {
  color: var(--color-pure-white);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.credential-text p {
  color: var(--color-light-gray);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Footer bottom */
.footer-bottom {
  background: rgba(0, 0, 0, var(--opacity-strong));
  padding: var(--spacing-xl) 0;
  border-top: 1px solid rgba(255, 255, 255, var(--opacity-light));
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.copyright {
  flex: 1;
}

.copyright p {
  margin: 0;
  color: var(--color-light-gray);
}

.tagline {
  color: var(--color-tropical-teal);
  font-style: italic;
}

.legal-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.legal-links a {
  color: var(--color-light-gray);
  font-size: var(--font-size-sm);
}

.separator {
  color: var(--color-dark-gray);
}

.footer-phone {
  font-weight: 600;
  color: var(--color-tropical-teal) !important;
}

.developer-credit p {
  margin: 0;
  color: var(--color-dark-gray);
  font-size: var(--font-size-sm);
  text-align: right;
}

/* =============================================================================
 * 7. PAGE-SPECIFIC STYLES
 * =============================================================================
 * 
 * Styles specific to individual pages and sections
 */

/* 
 * HERO SECTIONS
 * Large banner sections with background patterns
 */
.hero-section {
  background: linear-gradient(
    135deg,
    var(--color-ocean-blue),
    var(--color-tropical-teal)
  );
  color: var(--color-pure-white);
  padding: var(--spacing-4xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;

  /* Add tropical diamond pattern */
  background-image: var(--bg-tropical-pattern);
  background-size: 60px 60px;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, var(--opacity-subtle));
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  color: var(--color-pure-white);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-2xl);
}

/* 
 * SERVICE SECTIONS
 * Cards and grids for service information
 */
.services-preview {
  padding: var(--spacing-4xl) 0;
  background: var(--color-coconut-white);

  /* Add subtle wave pattern */
  background-image: var(--bg-wave-pattern);
  background-size: 100px 20px;
}

.dark-mode .services-preview {
  background: var(--color-dark-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.service-card {
  background: var(--color-pure-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast);
  border-top: 4px solid var(--color-ocean-blue);
}

.dark-mode .service-card {
  background: var(--color-dark-surface);
  border-top-color: var(--color-tropical-teal);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.service-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

.service-card h3 {
  color: var(--color-ocean-blue);
  margin-bottom: var(--spacing-lg);
}

.dark-mode .service-card h3 {
  color: var(--color-tropical-teal);
}

.service-features {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
}

.service-features li {
  padding: var(--spacing-sm) 0;
  color: var(--color-deep-ocean);
}

.dark-mode .service-features li {
  color: var(--color-dark-text);
}

.service-features li::before {
  content: "✓ ";
  color: var(--color-lime-green);
  font-weight: bold;
}

/* 
 * TRUST INDICATORS
 * Credibility and trust building sections
 */
.trust-section {
  background: var(--color-sea-foam);
  padding: var(--spacing-3xl) 0;
}

.dark-mode .trust-section {
  background: var(--color-dark-surface);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  text-align: center;
}

.trust-item {
  background: var(--color-pure-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

.dark-mode .trust-item {
  background: var(--color-dark-bg);
}

.trust-item:hover {
  transform: translateY(-2px);
}

.trust-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.trust-item h4 {
  color: var(--color-ocean-blue);
  margin-bottom: var(--spacing-sm);
}

.dark-mode .trust-item h4 {
  color: var(--color-tropical-teal);
}

/* 
 * TESTIMONIALS
 * Customer review sections
 */
.testimonials-section {
  padding: var(--spacing-4xl) 0;
  background: var(--color-pure-white);
}

.dark-mode .testimonials-section {
  background: var(--color-dark-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.testimonial-card {
  background: var(--color-sea-foam);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-ocean-blue);
}

.dark-mode .testimonial-card {
  background: var(--color-dark-surface);
  border-left-color: var(--color-tropical-teal);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
  line-height: 1.6;
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-ocean-blue);
}

.dark-mode .testimonial-author {
  color: var(--color-tropical-teal);
}

/* 
 * SERVICE AREAS
 * Geographic coverage sections
 */
.service-area-section {
  background: var(--color-coconut-white);
  padding: var(--spacing-3xl) 0;
}

.dark-mode .service-area-section {
  background: var(--color-dark-surface);
}

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

.area-card {
  background: var(--color-pure-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border-bottom: 3px solid var(--color-tropical-teal);
  transition: transform var(--transition-fast);
}

.dark-mode .area-card {
  background: var(--color-dark-bg);
}

.area-card:hover {
  transform: translateY(-2px);
}

.area-card h4 {
  color: var(--color-ocean-blue);
  margin-bottom: var(--spacing-md);
}

.dark-mode .area-card h4 {
  color: var(--color-tropical-teal);
}

/* 
 * EMERGENCY BANNER
 * Prominent emergency contact banner
 */
.emergency-banner {
  background: var(--color-sunset-orange);
  color: var(--color-pure-white);
  padding: var(--spacing-lg) 0;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.emergency-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.emergency-phone {
  color: var(--color-pure-white);
  font-weight: 700;
  font-size: var(--font-size-xl);
  text-decoration: none;
  transition: text-decoration var(--transition-fast);
}

.emergency-phone:hover {
  text-decoration: underline;
  color: var(--color-pure-white);
}

/* 
 * GOOGLE MAPS CONTAINER
 * Container for embedded Google Maps
 */
.map-container {
  position: relative;
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin: var(--spacing-xl) 0;
}

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

/* 
 * TABS COMPONENT
 * Tabbed content sections
 */
.tabs-container {
  margin: var(--spacing-xl) 0;
}

.tabs-nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 2px solid var(--color-sea-foam);
  gap: 0;
}

.dark-mode .tabs-nav {
  border-bottom-color: var(--color-dark-border);
}

.tab-button {
  background: none;
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-dark-gray);
  cursor: pointer;
  transition: all var(--transition-fast);
  border-bottom: 3px solid transparent;
}

.tab-button:hover {
  color: var(--color-ocean-blue);
  background: var(--color-sea-foam);
}

.tab-button.active {
  color: var(--color-ocean-blue);
  border-bottom-color: var(--color-ocean-blue);
  background: var(--color-pure-white);
}

.dark-mode .tab-button {
  color: var(--color-dark-text-secondary);
}

.dark-mode .tab-button:hover {
  color: var(--color-tropical-teal);
  background: var(--color-dark-surface);
}

.dark-mode .tab-button.active {
  color: var(--color-tropical-teal);
  border-bottom-color: var(--color-tropical-teal);
  background: var(--color-dark-bg);
}

.tab-content {
  padding: var(--spacing-xl);
  background: var(--color-pure-white);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.dark-mode .tab-content {
  background: var(--color-dark-bg);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* =============================================================================
 * 8. RESPONSIVE DESIGN
 * =============================================================================
 * 
 * Mobile-first responsive breakpoints
 * Ensures great experience on all device sizes
 */

/* 
 * TABLET AND SMALL DESKTOP (max-width: 1024px)
 * Hide some header elements to save space
 */
@media (max-width: 1024px) {
  .header-contact-info {
    display: none;
  }

  /* Show mobile contact label */
  .contact-label {
    display: block;
  }
}

/* 
 * MOBILE DEVICES (max-width: 768px)
 * Major layout changes for mobile experience
 */
@media (max-width: 768px) {
  /* 
   * MOBILE HEADER
   * Switch to mobile navigation layout
   */
  .mobile-menu-toggle {
    display: flex !important;
  }

  .primary-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-pure-white);
    border-top: 1px solid var(--color-sea-foam);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .dark-mode .primary-navigation {
    background: var(--color-dark-surface);
    border-top-color: var(--color-dark-border);
  }

  .primary-navigation.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-menu {
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: 0;
  }

  .nav-item {
    width: 100%;
    border-bottom: 1px solid var(--color-sea-foam);
  }

  .dark-mode .nav-item {
    border-bottom-color: var(--color-dark-border);
  }

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

  .nav-link {
    width: 100%;
    padding: var(--spacing-lg);
    border-radius: 0;
    justify-content: flex-start;
  }
  .nav-link[style*="background: #43a047"] {
    display: flex !important;
    background: #43a047 !important;
    color: #fff !important;
    border-radius: 1.5em !important;
    font-weight: 600 !important;
    margin: 0.5em 0;
    width: auto;
    text-align: center;
    padding: 0.45em 1.2em !important;
    z-index: 3000 !important;
    position: relative !important;
  }

  /* Force Pay button to always show in mobile nav */
  .primary-navigation
    .nav-item:last-child
    .nav-link[style*="background: #43a047"] {
    display: flex !important;
    z-index: 3000 !important;
    position: relative !important;
  }

  .mobile-only {
    display: block;
  }

  .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: var(--color-sea-foam);
    margin-top: 0;
    border-radius: 0;
  }

  .dark-mode .submenu {
    background: var(--color-dark-bg);
  }

  /* 
   * MOBILE TYPOGRAPHY
   * Smaller text sizes for mobile screens
   */
  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  h3 {
    font-size: var(--font-size-xl);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  /* 
   * MOBILE LAYOUT
   * Stack elements vertically on mobile
   */
  .container {
    padding: 0 var(--spacing-md);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .cta-button {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .services-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .emergency-content {
    flex-direction: column;
    gap: 16px;
  }

  /* 
   * MOBILE FOOTER
   * Single column layout for footer
   */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .legal-links {
    justify-content: center;
  }

  .developer-credit p {
    text-align: center;
  }

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

  /* Mobile tabs */
  .tabs-nav {
    flex-wrap: wrap;
  }

  .tab-button {
    flex: 1;
    min-width: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }

  .tab-content {
    padding: var(--spacing-md);
  }
}

/* 
 * SMALL MOBILE DEVICES (max-width: 480px)
 * Additional optimizations for very small screens
 */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  /* Hide logo text on very small screens */
  .logo-text {
    display: none;
  }

  .cta-button {
    width: 100%;
    justify-content: center;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .credential-item {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }

  /* Stack tabs vertically on very small screens */
  .tabs-nav {
    flex-direction: column;
  }

  .tab-button {
    width: 100%;
    text-align: left;
    border-bottom: 1px solid var(--color-sea-foam);
    border-radius: 0;
  }

  .dark-mode .tab-button {
    border-bottom-color: var(--color-dark-border);
  }

  .tab-button.active {
    border-bottom-color: var(--color-ocean-blue);
  }

  .dark-mode .tab-button.active {
    border-bottom-color: var(--color-tropical-teal);
  }
}

/* --- SVG Waves Animation (shared with homepage) --- */
.waves {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 120px;
  min-height: 60px;
  max-height: 150px;
}
.parallax > use {
  animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;
}
.parallax > use:nth-child(1) {
  animation-delay: -2s;
  animation-duration: 7s;
}
.parallax > use:nth-child(2) {
  animation-delay: -3s;
  animation-duration: 10s;
}
.parallax > use:nth-child(3) {
  animation-delay: -4s;
  animation-duration: 13s;
}
.parallax > use:nth-child(4) {
  animation-delay: -5s;
  animation-duration: 20s;
}
@keyframes move-forever {
  0% {
    transform: translate3d(-90px, 0, 0);
  }
  100% {
    transform: translate3d(85px, 0, 0);
  }
}
@media (max-width: 768px) {
  .waves {
    height: 40px;
    min-height: 40px;
  }
}

/* =============================================================================
 * END OF STYLES
 * =============================================================================
 * 
 * This CSS file provides a complete, professional styling system for the
 * AirNow.AC website. All colors, spacing, and effects can be easily customized
 * by editing the CSS variables at the top of this file.
 * 
 * For technical support or customization assistance, contact the developer.
 * 
 * =============================================================================
 */