/* ==========================================================================
   Advanced Plumbing Services - Main Stylesheet
   Design System, Components & Micro-interactions
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --color-primary: #00BFD8;        /* Primary Teal */
  --color-secondary: #1A3E5D;      /* Secondary Dark Blue */
  --color-white: #FFFFFF;
  --color-light-gray: #F0F0F0;
  --color-dark-gray: #333333;
  --color-text: #2D3748;
  --color-text-muted: #718096;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, #0097A7 100%);
  --gradient-dark: linear-gradient(135deg, var(--color-secondary) 0%, #0D2137 100%);
  
  /* Typography */
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Roboto', sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Shadows */
  --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 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px rgba(0, 191, 216, 0.4);
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  
  /* Z-index layers */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   Scroll Progress Bar
   Micro-interaction: Progressive scroll indicator at top of viewport
   -------------------------------------------------------------------------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: var(--gradient-primary);
  z-index: var(--z-fixed);
  transition: width 100ms linear;
}

/* --------------------------------------------------------------------------
   Skip Link (Accessibility)
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-secondary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  z-index: var(--z-tooltip);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  z-index: var(--z-sticky);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.header__container {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  height: 50px;
  width: auto;
}

.header__logo img {
  height: 100%;
  width: auto;
}

/* Desktop Navigation */
.nav {
  display: none;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-secondary);
  position: relative;
  padding: var(--space-2) 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color var(--transition-fast);
}

/* Micro-interaction: Underline animation from center on hover */
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base), left var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
  left: 0;
}

.nav__link:hover {
  color: var(--color-primary);
}

/* Emergency Button in Nav */
.nav__emergency {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--gradient-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav__emergency:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: var(--space-2);
  z-index: var(--z-modal);
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle__bar:nth-child(1) {
  transform: translateY(-6px);
}

.nav-toggle__bar:nth-child(3) {
  transform: translateY(6px);
}

/* Hamburger to X animation */
.nav-toggle--active .nav-toggle__bar:nth-child(1) {
  transform: translateY(0) rotate(45deg);
}

.nav-toggle--active .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle--active .nav-toggle__bar:nth-child(3) {
  transform: translateY(0) rotate(-45deg);
}

/* Mobile Navigation Menu */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: var(--color-white);
  box-shadow: var(--shadow-xl);
  padding: var(--space-20) var(--space-6);
  transition: right var(--transition-slow);
  z-index: var(--z-fixed);
  overflow-y: auto;
}

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

.mobile-nav__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: var(--z-dropdown);
}

.mobile-nav__overlay--active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-nav__link {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-secondary);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-light-gray);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-nav__link:hover {
  color: var(--color-primary);
  padding-left: var(--space-2);
}

.mobile-nav__emergency {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--gradient-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  border-radius: var(--radius-lg);
}

/* Desktop breakpoint */
@media (min-width: 992px) {
  .nav {
    display: block;
  }
  
  .nav-toggle {
    display: none;
  }
  
  .mobile-nav,
  .mobile-nav__overlay {
    display: none;
  }
  
  .header__logo {
    height: 60px;
  }
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-24) var(--space-4);
  padding-top: calc(var(--space-24) + 70px);
  overflow: hidden;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero__background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Micro-interaction: Parallax effect applied via JS */
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(26, 62, 93, 0.85) 0%,
    rgba(26, 62, 93, 0.7) 50%,
    rgba(26, 62, 93, 0.85) 100%
  );
}

.hero__content {
  position: relative;
  max-width: 900px;
  text-align: center;
  color: var(--color-white);
  z-index: var(--z-base);
}

.hero__title {
  font-size: var(--text-4xl);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-4);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero__title span {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: var(--text-xl);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: var(--space-8);
  opacity: 0.95;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
}

.hero__trust-icon {
  width: 24px;
  height: 24px;
  fill: var(--color-primary);
}

.hero__cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--text-5xl);
  }
  
  .hero__subtitle {
    font-size: var(--text-2xl);
  }
  
  .hero__cta-group {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 992px) {
  .hero__title {
    font-size: var(--text-6xl);
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

/* Micro-interaction: CTA button press effect */
.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(0, 191, 216, 0.4);
}

.btn--primary:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 25px rgba(0, 191, 216, 0.5);
}

.btn--primary:active {
  transform: scale(0.98);
  box-shadow: 0 2px 10px rgba(0, 191, 216, 0.3);
}

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

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

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

.btn--dark:hover {
  background: #0D2137;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* --------------------------------------------------------------------------
   Section Base Styles
   -------------------------------------------------------------------------- */
.section {
  padding: var(--space-16) var(--space-4);
}

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

.section--dark {
  background: var(--gradient-dark);
  color: var(--color-white);
}

.section__container {
  max-width: 1200px;
  margin: 0 auto;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.section--dark .section__title {
  color: var(--color-white);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.section--dark .section__subtitle {
  color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-20) var(--space-6);
  }
  
  .section__title {
    font-size: var(--text-4xl);
  }
}

/* --------------------------------------------------------------------------
   Services Section
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Service Card */
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

/* Micro-interaction: Card lift and glow on hover */
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), 0 0 0 2px var(--color-primary);
}

.service-card__icon {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-6);
  transition: transform var(--transition-base);
}

/* Micro-interaction: Icon subtle rotation on hover */
.service-card:hover .service-card__icon {
  transform: rotate(5deg) scale(1.05);
}

.service-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.service-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.service-card__description {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.service-card__link {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--transition-fast);
}

.service-card__link:hover {
  gap: var(--space-3);
}

/* Micro-interaction: Water ripple effect on card hover */
.service-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(0, 191, 216, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
  pointer-events: none;
}

.service-card:hover::before {
  width: 300%;
  height: 300%;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 992px) {
  .about-content {
    grid-template-columns: 1fr 1fr;
  }
}

.about__text {
  font-size: var(--text-lg);
  line-height: 1.8;
}

.about__text p {
  margin-bottom: var(--space-4);
}

.about__highlight {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  margin: var(--space-6) 0;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  justify-content: center;
}

.trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

.trust-badge:hover {
  transform: translateY(-4px);
}

.trust-badge__icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-light-gray);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--color-secondary);
  text-align: center;
  padding: var(--space-2);
}

.trust-badge__label {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
}

/* --------------------------------------------------------------------------
   Process Section
   -------------------------------------------------------------------------- */
.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  counter-reset: step;
}

@media (min-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .process-steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step__icon {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-4);
  background: var(--color-white);
  border-radius: var(--radius-full);
  padding: var(--space-4);
  box-shadow: var(--shadow-lg);
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

/* Micro-interaction: Icon bounce on hover */
.process-step:hover .process-step__icon {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.process-step__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.process-step__number {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-step__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  color: var(--color-white);
}

.process-step__description {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Testimonials Section
   -------------------------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.testimonial-card__quote {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  font-size: 4rem;
  font-family: Georgia, serif;
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 1;
}

.testimonial-card__text {
  font-style: italic;
  line-height: 1.8;
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

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

.testimonial-card__date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.testimonial-card__stars {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.testimonial-card__star {
  width: 18px;
  height: 18px;
  fill: #FFD700;
}

/* --------------------------------------------------------------------------
   Blog Preview Section
   -------------------------------------------------------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.blog-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.blog-card__content {
  padding: var(--space-6);
}

.blog-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card__title {
  color: var(--color-primary);
}

.blog-card__excerpt {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.blog-card__link {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--transition-fast);
}

.blog-card__link:hover {
  gap: var(--space-3);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 992px) {
  .contact-content {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info__icon svg {
  width: 24px;
  height: 24px;
  fill: var(--color-white);
}

.contact-info__label {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-1);
}

.contact-info__value {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-secondary);
}

.contact-info__value a {
  transition: color var(--transition-fast);
}

.contact-info__value a:hover {
  color: var(--color-primary);
}

/* Contact Form */
.contact-form {
  background: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-4);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

/* Micro-interaction: Form input glow on focus */
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 191, 216, 0.2);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-secondary);
  color: var(--color-white);
  padding: var(--space-16) var(--space-4) var(--space-6);
}

.footer__container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer__brand {
  margin-bottom: var(--space-4);
}

.footer__logo {
  height: 50px;
  margin-bottom: var(--space-4);
}

.footer__logo img {
  height: 100%;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer__description {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.footer__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Micro-interaction: Footer link underline reveal */
.footer__link {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
  position: relative;
  display: inline-block;
  width: fit-content;
}

.footer__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__link:hover::after {
  width: 100%;
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--color-primary);
  transform: translateY(-3px);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
  fill: var(--color-white);
}

.footer__bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Page Header (Internal Pages)
   -------------------------------------------------------------------------- */
.page-header {
  background: var(--gradient-dark);
  padding: var(--space-24) var(--space-4);
  padding-top: calc(var(--space-24) + 80px);
  text-align: center;
  color: var(--color-white);
}

.page-header__title {
  font-size: var(--text-4xl);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-header__breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
}

.page-header__breadcrumb a:hover {
  color: var(--color-primary);
}

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

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

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

/* --------------------------------------------------------------------------
   Reduced Motion Preferences
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* --------------------------------------------------------------------------
   Lazy Loading Images
   -------------------------------------------------------------------------- */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity var(--transition-base);
}

img[loading="lazy"].loaded,
img[loading="lazy"]:not([data-src]) {
  opacity: 1;
}