/* ========================================
   Mend Your Home - Main Styles
   Premium Plumbing & Heating Company
   ======================================== */

/* ========================================
   CSS VARIABLES & DESIGN SYSTEM
   ======================================== */
:root {
  /* Brand Colors */
  --primary-blue: #1E3A8A;
  --secondary-orange: #F97316;
  --gas-safe-blue: #003B5C;
  --accent-green: #10B981;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --light-gray: #F9FAFB;
  --medium-gray: #E5E7EB;
  --dark-gray: #374151;
  --text-dark: #1F2937;
  
  /* Status Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  
  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  
  /* 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition: all 0.3s ease;
}

/* ========================================
   ACCESSIBILITY UTILITIES
   ======================================== */
.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;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-blue);
  color: white;
  padding: 8px 16px;
  z-index: 10000;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Prevent horizontal overflow */
*,
*::before,
*::after {
  max-width: 100%;
}

img,
video,
iframe {
  max-width: 100%;
  height: auto;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  position: relative;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--primary-blue);
}

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);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.0625rem;
  line-height: 1.7;
}

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

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

strong {
  font-weight: 600;
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.header {
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top {
  background-color: var(--primary-blue);
  color: var(--white);
  padding: var(--spacing-xs) 0;
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.header-contact {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}

.header-contact a {
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-contact a:hover {
  color: var(--secondary-orange);
}

.header-emergency {
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.header-emergency span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-main {
  padding: var(--spacing-sm) 0;
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 50px;
  height: 50px;
}

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

.nav-menu li a {
  color: var(--text-dark);
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-menu li a:hover,
.nav-menu li a.active {
  background-color: var(--light-gray);
  color: var(--primary-blue);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-blue);
}

/* ========================================
   BUTTONS & CTAs
   ======================================== */
.btn {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1;
}

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

.btn-primary:hover {
  background-color: #EA580C;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

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

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

.btn-emergency {
  background-color: var(--error);
  color: var(--white);
  animation: pulse 2s infinite;
}

.btn-emergency:hover {
  background-color: #DC2626;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.85;
  }
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary-blue) 0%, #1E40AF 100%);
  color: var(--white);
  padding: var(--spacing-2xl) 0;
  overflow: hidden;
}

/* Hero pattern removed - was causing visual issues
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../images/hero-pattern.svg');
  opacity: 0.1;
  z-index: 0;
}
*/

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

.hero h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

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

.trust-badges {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
  justify-content: center;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.trust-badge img {
  width: 40px;
  height: 40px;
}

/* ========================================
   CONTAINER & LAYOUT
   ======================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
  box-sizing: border-box;
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section-alt {
  background-color: var(--light-gray);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

.section-title {
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  color: var(--dark-gray);
  font-size: 1.125rem;
}

/* ========================================
   GRID SYSTEMS
   ======================================== */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* ========================================
   CARDS
   ======================================== */
.card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.card-icon {
  width: 60px;
  height: 60px;
  background-color: var(--light-gray);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--primary-blue);
  font-size: 2rem;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.card-description {
  color: var(--dark-gray);
  margin-bottom: var(--spacing-md);
}

/* ========================================
   SERVICE CARDS
   ======================================== */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--secondary-orange);
  transform: scaleY(0);
  transition: var(--transition);
}

.service-card:hover::after {
  transform: scaleY(1);
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonial-card {
  background-color: var(--white);
  border-left: 4px solid var(--secondary-orange);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.testimonial-rating {
  color: var(--warning);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--dark-gray);
}

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

.testimonial-location {
  font-size: 0.9375rem;
  color: var(--dark-gray);
}

/* Testimonial Carousel */
.testimonial-carousel {
  position: relative;
  max-width: 100%;
  padding: 0 3rem;
}

.testimonial-carousel-container {
  position: relative;
  width: 100%;
}

.testimonial-carousel-slide {
  display: none;
  width: 100%;
}

.testimonial-carousel-slide:first-child {
  display: block;
}

/* 3-Card Carousel Grid */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-carousel-3 .testimonial-card {
  min-height: 350px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-carousel-3 .testimonial-text {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 1rem;
}

/* Ensure all cards in a grid have same height */
.testimonial-grid {
  align-items: stretch;
}

.testimonial-grid .testimonial-card {
  height: 100%;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-top: 2rem;
}

.carousel-btn {
  background-color: var(--primary-blue);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.carousel-btn:hover:not(:disabled) {
  background-color: var(--secondary-orange);
}

.carousel-btn:disabled {
  background-color: var(--light-gray);
  cursor: not-allowed;
  opacity: 0.5;
}

.carousel-dots {
  display: flex;
  gap: 0.5rem;
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--light-gray);
  border: 2px solid var(--primary-blue);
  cursor: pointer;
  padding: 0;
}

.carousel-dot.active {
  background-color: var(--primary-blue);
}

.review-platform {
  margin-top: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--success);
  font-weight: 600;
}

/* ========================================
   CONTACT FORM
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-dark);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--medium-gray);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

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

/* ========================================
   EMERGENCY BANNER
   ======================================== */
.emergency-banner {
  background-color: var(--error);
  color: var(--white);
  text-align: center;
  padding: var(--spacing-md);
  position: sticky;
  top: 80px;
  z-index: 999;
  box-shadow: var(--shadow-lg);
}

.emergency-banner h3 {
  color: var(--white);
  margin-bottom: var(--spacing-xs);
  font-size: 1.5rem;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background-color: var(--primary-blue);
  color: var(--white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

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

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

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

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

.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, 0.7);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary-blue);
}

.text-secondary {
  color: var(--secondary-orange);
}

.bg-primary {
  background-color: var(--primary-blue);
  color: var(--white);
}

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.py-1 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-3 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

/* ========================================
   MEDIA QUERIES - RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  .header-top {
    padding: var(--spacing-xs) 0;
  }
  
  .header-top .container {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
  }
  
  .header-contact {
    font-size: 0.8125rem;
    gap: var(--spacing-sm);
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  
  .header-contact a {
    font-size: 0.8125rem;
    gap: 0.375rem;
    min-width: 0;
    flex: 0 1 auto;
  }
  
  .header-contact a i {
    font-size: 0.875rem;
    flex-shrink: 0;
  }
  
  /* Make email address fit better on mobile */
  .header-contact a[href^="mailto:"] {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .header-emergency {
    font-size: 0.75rem;
    width: 100%;
    margin-top: 0.25rem;
  }
  
  .header-emergency span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    flex-wrap: wrap;
  }
  
  .header-emergency i {
    flex-shrink: 0;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .trust-badges {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Gallery Carousel */
.gallery-carousel {
  position: relative;
  max-width: 100%;
  padding: 0 3rem;
  margin: 2rem 0;
}

.gallery-carousel-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
}

.gallery-carousel-slide {
  display: none;
  width: 100%;
}

.gallery-carousel-slide.active {
  display: block;
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.gallery-carousel-image-wrapper {
  position: relative;
  width: 100%;
  background: #f5f5f5;
}

.gallery-carousel-image {
  width: 100%;
  height: 600px;
  object-fit: contain;
  display: block;
  background: #f5f5f5;
}

.gallery-carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9), rgba(0,0,0,0.5));
  color: white;
  padding: 2rem;
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.gallery-carousel-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
  color: white;
}

.gallery-carousel-description {
  font-size: 1rem;
  line-height: 1.5;
  margin: 0;
  color: white;
}

.gallery-carousel .carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.gallery-carousel .carousel-btn {
  background-color: var(--primary-blue);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.gallery-carousel .carousel-btn:hover:not(:disabled) {
  background-color: var(--secondary-orange);
  transform: scale(1.1);
}

.gallery-carousel .carousel-btn:disabled {
  background-color: var(--light-gray);
  cursor: not-allowed;
  opacity: 0.5;
}

.gallery-carousel-dots {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.gallery-carousel .carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--light-gray);
  border: 2px solid var(--primary-blue);
  cursor: pointer;
  padding: 0;
  transition: all 0.3s ease;
}

.gallery-carousel .carousel-dot.active {
  background-color: var(--primary-blue);
  transform: scale(1.3);
}

.gallery-carousel .carousel-dot:hover {
  background-color: var(--secondary-orange);
  border-color: var(--secondary-orange);
}

@media (max-width: 768px) {
  .gallery-carousel {
    padding: 0 1rem;
  }
  
  .gallery-carousel-image {
    height: 400px;
  }
  
  .gallery-carousel-caption {
    padding: 1rem;
  }
  
  .gallery-carousel-title {
    font-size: 1.2rem;
  }
  
  .gallery-carousel-description {
    font-size: 0.9rem;
  }
  
  .gallery-carousel .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
  }
  
  .header-top .container {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .header-contact {
    gap: 0.5rem;
    font-size: 0.7rem;
  }
  
  .header-contact a {
    font-size: 0.7rem;
    gap: 0.25rem;
  }
  
  .header-contact a i {
    font-size: 0.8rem;
  }
  
  /* Make email address shorter on very small screens */
  .header-contact a[href^="mailto:"] {
    max-width: calc(100vw - 3rem);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  /* Ensure WhatsApp fits */
  .header-contact a[href*="wa.me"] {
    white-space: nowrap;
  }
  
  .header-emergency {
    font-size: 0.7rem;
  }
  
  .header-emergency span {
    flex-wrap: wrap;
  }
  
  .btn {
    width: 100%;
    padding: 1rem;
  }
  
  .hero {
    padding: var(--spacing-xl) 0;
  }
  
  .gallery-carousel-image {
    height: 350px;
  }
  
  .gallery-carousel .carousel-controls {
    flex-wrap: wrap;
  }
  
  .gallery-carousel-caption {
    position: relative;
    background: rgba(0,0,0,0.85);
    padding: 1rem;
  }
}