/* ============================================
   Mokkaachi Maintenance Services - Design System
   ============================================ */

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

:root {
  /* Enhanced Vibrant Color Palette */
  --primary-blue: #0066ff;
  --primary-dark: #0052cc;
  --secondary-cyan: #00d4ff;
  --secondary-teal: #00c9a7;
  --accent-orange: #ff6b35;
  --accent-purple: #6a4ce0;
  --accent-pink: #ff1493;
  --dark-navy: #0f1419;
  --dark-gray: #1a1f2e;
  --light-gray: #f0f4f8;
  --white: #ffffff;
  --text-dark: #1a1a2e;
  --text-light: #64748b;
  --success-green: #00e676;
  --warning-yellow: #ffd600;

  /* Vibrant Gradients */
  --gradient-primary: linear-gradient(135deg, #0066ff 0%, #00d4ff 50%, #00c9a7 100%);
  --gradient-hero: linear-gradient(135deg, rgba(0, 102, 255, 0.9) 0%, rgba(0, 212, 255, 0.85) 50%, rgba(106, 76, 224, 0.9) 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(15, 20, 25, 0) 0%, rgba(15, 20, 25, 0.7) 100%);
  --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(240, 244, 248, 0.95) 100%);
  --gradient-accent: linear-gradient(135deg, #ff6b35 0%, #ff1493 100%);
  --gradient-success: linear-gradient(135deg, #00e676 0%, #00c9a7 100%);
  --gradient-purple: linear-gradient(135deg, #6a4ce0 0%, #a855f7 100%);

  /* Animated Gradients */
  --gradient-animated: linear-gradient(270deg, #0066ff, #00d4ff, #00c9a7, #6a4ce0, #ff6b35);
  --gradient-glow: radial-gradient(circle at center, rgba(0, 212, 255, 0.3) 0%, transparent 70%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.875rem;
  --font-size-sm: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 3rem;
  --font-size-3xl: 4rem;

  /* Enhanced Effects */
  --shadow-sm: 0 2px 8px rgba(0, 102, 255, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 102, 255, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 102, 255, 0.2);
  --shadow-xl: 0 12px 48px rgba(0, 102, 255, 0.25);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.4), 0 0 40px rgba(0, 212, 255, 0.2);
  --shadow-color: 0 8px 32px rgba(255, 107, 53, 0.3);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Google Fonts - Loaded via preload in HTML for better performance */

/* Skip Link Styles for Accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--primary-blue);
  color: var(--white);
  padding: 1rem 1.5rem;
  text-decoration: none;
  font-weight: 600;
  z-index: 10000;
  border-radius: 0 0 var(--radius-md) 0;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--secondary-cyan);
  outline-offset: 2px;
}

/* Focus Visible Styles for Keyboard Navigation */
.using-keyboard *:focus {
  outline: 3px solid var(--secondary-cyan);
  outline-offset: 3px;
}

.using-keyboard .btn:focus {
  box-shadow: var(--shadow-glow), 0 0 0 4px var(--secondary-cyan);
}

/* Remove outline for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* Keep outline for keyboard navigation */
:focus-visible {
  outline: 3px solid var(--secondary-cyan);
  outline-offset: 3px;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--text-dark);
  background: linear-gradient(180deg, #f0f4f8 0%, #e1e8f0 100%);
  overflow-x: hidden;
  position: relative;
}

/* Animated Background Effect */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--gradient-glow);
  opacity: 0.3;
  animation: rotateBackground 20s linear infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes rotateBackground {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: var(--font-size-3xl);
}

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

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

h4 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-sm);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
header {
  background: rgba(255, 255, 255, 0.98);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(20px);
  border-bottom: 2px solid transparent;
}

header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glow);
  border-bottom: 2px solid var(--secondary-cyan);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--primary-blue);
  font-weight: 800;
  font-size: var(--font-size-lg);
  transition: all var(--transition-fast);
  position: relative;
}

.logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: bold;
  font-size: 1.5rem;
  box-shadow: var(--shadow-glow);
  animation: pulse 2s ease-in-out infinite;
}

/* Header Logo Image */
.header-logo-img {
  width: 45px;
  height: 45px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  transition: all var(--transition-fast);
}

.logo:hover .header-logo-img {
  transform: scale(1.1);
  filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.5));
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

/* Navigation */
nav ul {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

nav a {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--gradient-primary);
  transition: transform var(--transition-fast);
}

nav a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-xs);
  background: transparent;
  border: none;
  -webkit-appearance: none;
  appearance: none;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-blue);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
  position: relative;
  height: 90vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  padding: var(--spacing-md);
  animation: fadeInUp 1s ease-out;
}

.hero h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-size: var(--font-size-md);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  font-family: var(--font-primary);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: var(--shadow-color);
  position: relative;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
  z-index: -1;
}

.btn-primary:hover::before {
  width: 400px;
  height: 400px;
}

.btn-primary:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 40px rgba(255, 107, 53, 0.6), var(--shadow-glow);
}

.btn-primary:active {
  transform: translateY(-2px) scale(1.02);
}

/* Animated Glow Effect for Buttons */
.btn-primary::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  z-index: -2;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.btn-primary:hover::after {
  opacity: 0.7;
  animation: rotate 2s linear infinite;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* Section Styles */
section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 0.8s ease-out;
}

.section-title h2 {
  color: var(--primary-blue);
  position: relative;
  display: inline-block;
  padding-bottom: var(--spacing-sm);
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

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

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.service-card {
  background: var(--gradient-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  border: 2px solid transparent;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 0;
  border-radius: var(--radius-xl);
}

.service-card:hover::before {
  opacity: 0.05;
}

.service-card:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: var(--shadow-glow), var(--shadow-xl);
  border-color: var(--secondary-cyan);
}

.service-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: all var(--transition-slow);
  position: relative;
  z-index: 1;
}

.service-card:hover .service-image {
  transform: scale(1.15);
  filter: brightness(1.1) saturate(1.2);
}

/* HVAC Service Image - Full view without cropping */
.service-image.hvac-image {
  object-fit: contain;
  /* Gradient background matching the website theme */
  background: linear-gradient(135deg, #f0f4f8 0%, #e8eef5 50%, #f5f7fa 100%);
  padding: 10px;
}

.service-content {
  padding: var(--spacing-md);
  position: relative;
  z-index: 1;
  background: var(--white);
}

.service-content h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-md);
}

.service-content ul {
  list-style: none;
  padding-left: 0;
}

.service-content li {
  padding: var(--spacing-xs) 0;
  color: var(--text-light);
  font-size: var(--font-size-xs);
  position: relative;
  padding-left: 1.5rem;
}

.service-content li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary-cyan);
  font-weight: bold;
}

/* Objectives Grid */
.objectives-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.objective-card {
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-bounce);
  border: 3px solid transparent;
  position: relative;
  overflow: hidden;
}

.objective-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 0;
}

.objective-card:nth-child(1) {
  border-color: #00e676;
}

.objective-card:nth-child(2) {
  border-color: #00d4ff;
}

.objective-card:nth-child(3) {
  border-color: #6a4ce0;
}

.objective-card:nth-child(4) {
  border-color: #ff6b35;
}

.objective-card:nth-child(5) {
  border-color: #ffd600;
}

.objective-card:nth-child(6) {
  border-color: #ff1493;
}

.objective-card:hover::before {
  opacity: 0.08;
}

.objective-card:hover {
  transform: translateY(-8px) scale(1.05);
  box-shadow: var(--shadow-glow), var(--shadow-xl);
}

.objective-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-sm);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 2rem;
  box-shadow: var(--shadow-glow);
  position: relative;
  z-index: 1;
  transition: all var(--transition-normal);
}

.objective-card:nth-child(1) .objective-icon {
  background: var(--gradient-success);
}

.objective-card:nth-child(2) .objective-icon {
  background: var(--gradient-primary);
}

.objective-card:nth-child(3) .objective-icon {
  background: var(--gradient-purple);
}

.objective-card:nth-child(4) .objective-icon {
  background: var(--gradient-accent);
}

.objective-card:nth-child(5) .objective-icon {
  background: linear-gradient(135deg, #ffd600 0%, #ff6b35 100%);
}

.objective-card:nth-child(6) .objective-icon {
  background: linear-gradient(135deg, #ff1493 0%, #6a4ce0 100%);
}

.objective-card:hover .objective-icon {
  transform: rotate(360deg) scale(1.1);
}

.objective-card h3 {
  color: var(--primary-blue);
  font-size: var(--font-size-md);
  position: relative;
  z-index: 1;
}

.objective-card p {
  color: var(--text-light);
  font-size: var(--font-size-xs);
  margin: 0;
  position: relative;
  z-index: 1;
}

/* Footer */
footer {
  background: var(--dark-navy);
  color: var(--white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-section h3 {
  color: var(--secondary-cyan);
  margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section li {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-xs);
}

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

.footer-section li {
  padding: var(--spacing-xs) 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-xs);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.fade-in {
  opacity: 0;
  animation: fadeIn 0.8s ease-out forwards;
}

.slide-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */

/* Large Desktop / Smart TV 4K (2560px+) */
@media (min-width: 2560px) {
  :root {
    --font-size-3xl: 5rem;
    --font-size-2xl: 4rem;
    --font-size-xl: 2.5rem;
    --font-size-lg: 2rem;
  }

  .container {
    max-width: 2200px;
  }

  .services-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
  }

  .objectives-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }

  .hero h1 {
    font-size: 5rem;
  }

  .service-image {
    height: 300px;
  }

  .objective-icon {
    width: 90px;
    height: 90px;
    font-size: 2.5rem;
  }
}

/* Smart TV 8K (3840px+) */
@media (min-width: 3840px) {
  :root {
    --font-size-3xl: 6rem;
    --font-size-2xl: 5rem;
  }

  .container {
    max-width: 3200px;
  }

  .hero h1 {
    font-size: 7rem;
  }

  .service-image {
    height: 400px;
  }
}

/* Tablet and Below */
@media (max-width: 768px) {
  :root {
    --font-size-3xl: 2.5rem;
    --font-size-2xl: 2rem;
    --font-size-xl: 1.5rem;
  }

  .menu-toggle {
    display: flex;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-md);
  }

  nav.active {
    display: block;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-sm) 0;
  }

  nav a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .hero {
    height: 70vh;
    min-height: 500px;
  }

  .hero h1 {
    font-size: var(--font-size-2xl);
  }

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

  .objectives-grid {
    grid-template-columns: 1fr;
  }

  section {
    padding: var(--spacing-lg) 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .btn {
    padding: 0.875rem 2rem;
    font-size: var(--font-size-sm);
  }
}

/* Print Styles */
@media print {
  header {
    position: static;
  }

  .hero {
    height: auto;
    min-height: 300px;
  }

  .btn {
    display: none;
  }
}