/* CSS Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS Custom Properties */
:root {
  /* Colors - Construction Industry Palette */
  --primary-color: #2c3e50;
  --secondary-color: #e67e22;
  --accent-color: #f39c12;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --background-light: #ecf0f1;
  --white: #ffffff;
  --error-color: #e74c3c;
  --success-color: #27ae60;
  
  /* Typography */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --font-size-xl: 24px;
  --font-size-xxl: 32px;
  --line-height-base: 1.6;
  
  /* Spacing - 8px grid system */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 64px;
  
  /* Breakpoints */
  --breakpoint-mobile: 768px;
  --breakpoint-tablet: 1024px;
  --breakpoint-desktop: 1200px;
  
  /* Shadows */
  --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 16px rgba(0, 0, 0, 0.2);
  
  /* Border radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
}

/* Base Typography */
body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text-dark);
  background-color: var(--white);
}

/* Responsive Images */
img {
  max-width: 100%;
  height: auto;
}

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
}

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

/* Lists */
ul, ol {
  list-style: none;
}

/* Buttons */
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

/* Form Elements */
input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* Utility Classes */
.container {
  max-width: var(--breakpoint-desktop);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.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;
}

/* ========================================
   RESPONSIVE LAYOUT SYSTEM
   Mobile-first approach with CSS Grid and Flexbox
   ======================================== */

/* Grid Layout System */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

/* Grid Column Templates - Mobile First */
.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

/* Tablet Breakpoint - 768px and up */
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* Desktop Breakpoint - 1024px and up */
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Grid Gap Utilities */
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* Flexbox Layout System */
.flex {
  display: flex;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-row {
  display: flex;
  flex-direction: row;
}

/* Flex Direction Responsive */
.flex-col-mobile {
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .flex-row-tablet {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .flex-row-desktop {
    flex-direction: row;
  }
}

/* Flex Alignment */
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.items-baseline { align-items: baseline; }

.content-start { align-content: flex-start; }
.content-center { align-content: center; }
.content-end { align-content: flex-end; }
.content-between { align-content: space-between; }
.content-around { align-content: space-around; }
.content-stretch { align-content: stretch; }

/* Flex Wrap */
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

/* Flex Grow/Shrink */
.flex-1 { flex: 1; }
.flex-auto { flex: auto; }
.flex-none { flex: none; }

/* Responsive Display Utilities */
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

/* Mobile-first responsive display */
.hidden-mobile { display: none; }
.block-mobile { display: block; }

@media (min-width: 768px) {
  .hidden-tablet { display: none; }
  .block-tablet { display: block; }
  .hidden-mobile { display: block; }
}

@media (min-width: 1024px) {
  .hidden-desktop { display: none; }
  .block-desktop { display: block; }
}

/* Spacing Utilities */
.m-0 { margin: 0; }
.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }
.m-auto { margin: auto; }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.ml-0 { margin-left: 0; }
.ml-xs { margin-left: var(--spacing-xs); }
.ml-sm { margin-left: var(--spacing-sm); }
.ml-md { margin-left: var(--spacing-md); }
.ml-lg { margin-left: var(--spacing-lg); }
.ml-xl { margin-left: var(--spacing-xl); }
.ml-auto { margin-left: auto; }

.mr-0 { margin-right: 0; }
.mr-xs { margin-right: var(--spacing-xs); }
.mr-sm { margin-right: var(--spacing-sm); }
.mr-md { margin-right: var(--spacing-md); }
.mr-lg { margin-right: var(--spacing-lg); }
.mr-xl { margin-right: var(--spacing-xl); }
.mr-auto { margin-right: auto; }

.mx-0 { margin-left: 0; margin-right: 0; }
.mx-xs { margin-left: var(--spacing-xs); margin-right: var(--spacing-xs); }
.mx-sm { margin-left: var(--spacing-sm); margin-right: var(--spacing-sm); }
.mx-md { margin-left: var(--spacing-md); margin-right: var(--spacing-md); }
.mx-lg { margin-left: var(--spacing-lg); margin-right: var(--spacing-lg); }
.mx-xl { margin-left: var(--spacing-xl); margin-right: var(--spacing-xl); }
.mx-auto { margin-left: auto; margin-right: auto; }

.my-0 { margin-top: 0; margin-bottom: 0; }
.my-xs { margin-top: var(--spacing-xs); margin-bottom: var(--spacing-xs); }
.my-sm { margin-top: var(--spacing-sm); margin-bottom: var(--spacing-sm); }
.my-md { margin-top: var(--spacing-md); margin-bottom: var(--spacing-md); }
.my-lg { margin-top: var(--spacing-lg); margin-bottom: var(--spacing-lg); }
.my-xl { margin-top: var(--spacing-xl); margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.pt-0 { padding-top: 0; }
.pt-xs { padding-top: var(--spacing-xs); }
.pt-sm { padding-top: var(--spacing-sm); }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }

.pb-0 { padding-bottom: 0; }
.pb-xs { padding-bottom: var(--spacing-xs); }
.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }

.pl-0 { padding-left: 0; }
.pl-xs { padding-left: var(--spacing-xs); }
.pl-sm { padding-left: var(--spacing-sm); }
.pl-md { padding-left: var(--spacing-md); }
.pl-lg { padding-left: var(--spacing-lg); }
.pl-xl { padding-left: var(--spacing-xl); }

.pr-0 { padding-right: 0; }
.pr-xs { padding-right: var(--spacing-xs); }
.pr-sm { padding-right: var(--spacing-sm); }
.pr-md { padding-right: var(--spacing-md); }
.pr-lg { padding-right: var(--spacing-lg); }
.pr-xl { padding-right: var(--spacing-xl); }

.px-0 { padding-left: 0; padding-right: 0; }
.px-xs { padding-left: var(--spacing-xs); padding-right: var(--spacing-xs); }
.px-sm { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.px-xl { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-xs { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-xl { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

/* Width Utilities */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-fit { width: fit-content; }

/* Height Utilities */
.h-full { height: 100%; }
.h-auto { height: auto; }
.h-screen { height: 100vh; }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

/* Responsive Text Alignment */
.text-center-mobile { text-align: center; }

@media (min-width: 768px) {
  .text-left-tablet { text-align: left; }
  .text-center-tablet { text-align: center; }
  .text-right-tablet { text-align: right; }
}

@media (min-width: 1024px) {
  .text-left-desktop { text-align: left; }
  .text-center-desktop { text-align: center; }
  .text-right-desktop { text-align: right; }
}

/* Container Responsive Updates */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

/* ========================================
   HERO SECTION COMPONENT STYLES
   ======================================== */

.hero {
  position: relative;
  min-height: 50vh;
  margin-top: -20px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #2c3e50;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #1a252f 0%, #2c3e50 60%, #34495e 100%);
  z-index: 1;
}

/* Subtle diagonal stripe texture */
.hero__background::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,0.02) 40px,
    rgba(255,255,255,0.02) 80px
  );
  z-index: 1;
}

/* Orange accent bar at bottom */
.hero__background::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-sm);
}

.hero__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0 0 var(--spacing-sm) 0;
  line-height: 1.3;
}

.hero__title em {
  font-style: normal;
  color: var(--secondary-color);
}

.hero__title-mobile {
  display: block;
}

.hero__title-desktop {
  display: none;
}

.hero__divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
  margin: 0 auto var(--spacing-md);
  border-radius: 2px;
}

.hero__tagline {
  font-size: var(--font-size-base);
  font-weight: 300;
  margin: 0 0 var(--spacing-lg) 0;
  opacity: 0.85;
  line-height: 1.5;
}

.hero__tagline-mobile {
  display: block;
}

.hero__tagline-desktop {
  display: none;
}

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

/* Call-to-Action Button */
.hero__cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--secondary-color);
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-base);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-medium);
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-width: 180px;
}

.hero__cta-button:hover,
.hero__cta-button:focus {
  background-color: var(--accent-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
}

.hero__cta-button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-medium);
}

/* Phone Button */
.hero__phone-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: transparent;
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  border: 2px solid var(--white);
  border-radius: var(--border-radius-md);
  transition: all 0.3s ease;
  min-width: 140px;
}

.hero__phone-button:hover,
.hero__phone-button:focus {
  background-color: var(--white);
  color: var(--primary-color);
  transform: translateY(-1px);
}

.hero__phone-button:active {
  transform: translateY(0);
}

/* Tablet Styles - 768px and up */
@media (min-width: 768px) {
  .hero {
    min-height: 65vh;
  }
  
  .hero__content {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .hero__title {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-md);
  }
  
  .hero__title-mobile {
    display: none;
  }
  
  .hero__title-desktop {
    display: block;
  }
  
  .hero__tagline {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-xl);
  }
  
  .hero__tagline-mobile {
    display: none;
  }
  
  .hero__tagline-desktop {
    display: block;
  }
  
  .hero__actions {
    flex-direction: row;
    gap: var(--spacing-lg);
    justify-content: center;
  }
  
  .hero__cta-button {
    font-size: var(--font-size-large);
    padding: var(--spacing-md) var(--spacing-xl);
    min-width: 200px;
  }
  
  .hero__phone-button {
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-lg);
    min-width: 160px;
  }
}

/* Desktop Styles - 1024px and up */
@media (min-width: 1024px) {
  .hero {
    min-height: 75vh;
  }
  
  .hero__title {
    font-size: 2.8rem;
  }
  
  .hero__content {
    padding: var(--spacing-xxl) var(--spacing-lg);
  }
}

/* Large Desktop Styles - 1200px and up */
@media (min-width: 1200px) {
  .hero__title {
    font-size: 3.2rem;
  }
}

/* ========================================
   ABOUT SECTION COMPONENT STYLES
   ======================================== */

.about {
  padding: var(--spacing-xxl) 0;
  background-color: var(--white);
}

.about__content {
  max-width: 1000px;
  margin: 0 auto;
}

.about__text {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.about__title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--primary-color);
  margin: 0 0 var(--spacing-lg) 0;
  line-height: 1.2;
}

.about__description {
  font-size: var(--font-size-large);
  color: var(--text-light);
  line-height: 1.7;
  margin: 0 0 var(--spacing-md) 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.about__description:last-child {
  margin-bottom: 0;
}

.about__description strong {
  color: var(--secondary-color);
  font-weight: 600;
}

.about__info {
  margin-top: var(--spacing-xl);
}

.about__info-grid {
  margin-top: var(--spacing-lg);
}

.about__info-card {
  background-color: var(--background-light);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  transition: all 0.3s ease;
  border-left: 4px solid var(--secondary-color);
}

.about__info-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

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

.about__icon {
  font-size: 20px;
  line-height: 1;
}

.about__info-content {
  flex: 1;
}

.about__info-title {
  font-size: var(--font-size-large);
  font-weight: 600;
  color: var(--primary-color);
  margin: 0 0 var(--spacing-xs) 0;
  line-height: 1.3;
}

.about__info-text {
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
}

.about__phone-link {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.3s ease;
  word-break: break-all;
}

.about__phone-link:hover,
.about__phone-link:focus {
  color: var(--secondary-color);
  text-decoration: underline;
}

.about__experience {
  font-size: var(--font-size-small);
  color: var(--secondary-color);
  font-weight: 500;
}

/* Tablet Styles - 768px and up */
@media (min-width: 768px) {
  .about__title {
    font-size: 2.5rem;
  }
  
  .about__text {
    text-align: left;
  }
  
  .about__info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop Styles - 1024px and up */
@media (min-width: 1024px) {
  .about {
    padding: var(--spacing-xxl) 0 calc(var(--spacing-xxl) * 1.5) 0;
  }
  
  .about__title {
    font-size: 3rem;
  }
  
  .about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
  }
  
  .about__text {
    text-align: left;
    margin-bottom: 0;
  }
  
  .about__info {
    margin-top: 0;
  }
  
  .about__info-grid {
    grid-template-columns: 1fr;
    margin-top: 0;
  }
}

/* ========================================
   SERVICES SECTION COMPONENT STYLES
   ======================================== */

.services {
  padding: var(--spacing-xxl) 0;
  background-color: var(--background-light);
}

.services__content {
  text-align: center;
}

.services__title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--primary-color);
  margin: 0 0 var(--spacing-md) 0;
  line-height: 1.2;
}

.services__subtitle {
  font-size: var(--font-size-large);
  color: var(--text-light);
  margin: 0 0 var(--spacing-xl) 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.services__grid {
  margin-top: var(--spacing-xl);
  text-align: left;
}

.services__card {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.services__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.services__card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: var(--secondary-color);
  border-radius: 50%;
  margin: 0 0 var(--spacing-md) 0;
}

.services__icon {
  font-size: 28px;
  line-height: 1;
}

.services__card-title {
  font-size: var(--font-size-large);
  font-weight: 600;
  color: var(--primary-color);
  margin: 0 0 var(--spacing-sm) 0;
  line-height: 1.3;
}

.services__card-description {
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
  flex-grow: 1;
}

/* Tablet Styles - 768px and up */
@media (min-width: 768px) {
  .services__title {
    font-size: 2.5rem;
  }
  
  .services__subtitle {
    font-size: var(--font-size-xl);
  }
}

/* Desktop Styles - 1024px and up */
@media (min-width: 1024px) {
  .services {
    padding: var(--spacing-xxl) 0 calc(var(--spacing-xxl) * 1.5) 0;
  }
  
  .services__title {
    font-size: 3rem;
  }
}

/* ========================================
   HEADER COMPONENT STYLES
   ======================================== */

.header {
  background-color: var(--white);
  box-shadow: var(--shadow-light);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header__content {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 0;
  position: relative;
  flex-wrap: wrap;
  gap: 0;
}

/* Company Brand */
.header__brand {
  flex: 0 0 auto;
}

.header__company-name {
  font-size: var(--font-size-large);
  font-weight: 700;
  margin: 0;
}

.header__company-link {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
  display: inline-block;
}

.header__company-link:hover,
.header__company-link:focus {
  color: var(--secondary-color);
  transform: scale(1.05);
}

.header__logo {
  height: 110px;
  width: auto;
  max-width: 260px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

/* Phone Numbers */
.header__contact {
  display: none;
}

.header__phones {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.header__phone {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-dark);
  text-decoration: none;
  font-size: var(--font-size-small);
  transition: color 0.3s ease;
}

.header__phone:hover,
.header__phone:focus {
  color: var(--secondary-color);
}

.header__phone-icon {
  font-size: 14px;
}

.header__phone-number {
  font-weight: 500;
}

/* Mobile Menu Toggle */
.header__menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  transition: background-color 0.3s ease;
}

.header__menu-toggle:hover,
.header__menu-toggle:focus {
  background-color: var(--background-light);
}

.header__hamburger {
  display: flex;
  flex-direction: column;
  width: 24px;
  height: 18px;
  justify-content: space-between;
}

.header__hamburger-line {
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
  transform-origin: center;
}

/* Hamburger Animation - Active State */
.header__menu-toggle[aria-expanded="true"] .header__hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* Navigation Menu */
.header__navigation {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--white);
  box-shadow: var(--shadow-medium);
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 999;
}

.header__navigation.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__nav-list {
  list-style: none;
  margin: 0;
  padding: var(--spacing-sm) 0;
}

.header__nav-item {
  margin: 0;
}

.header__nav-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.header__nav-link:hover,
.header__nav-link:focus {
  color: var(--secondary-color);
  background-color: var(--background-light);
  border-left-color: var(--secondary-color);
}

/* Tablet Styles - 768px and up */
@media (min-width: 768px) {
  .header__content {
    padding: var(--spacing-xs) 0 var(--spacing-sm) 0;
    align-items: flex-start;
  }
  
  .header__company-name {
    font-size: var(--font-size-xl);
  }
  
  .header__logo {
    height: 120px;
    max-width: 380px;
  }
  
  .header__contact {
    display: block;
    order: 2;
  }
  
  .header__phones {
    flex-direction: row;
    gap: var(--spacing-md);
  }
  
  .header__phone {
    font-size: var(--font-size-base);
  }
  
  .header__menu-toggle {
    order: 3;
  }
}

/* Desktop Styles - 1024px and up */
@media (min-width: 1024px) {
  .header__content {
    align-items: flex-start;
    gap: var(--spacing-sm);
    flex-wrap: nowrap;
    padding-bottom: var(--spacing-sm);
  }
  
  .header__brand {
    flex: 0 0 auto;
  }
  
  .header__logo {
    height: 140px;
    max-width: 380px;
  }
  
  .header__contact {
    flex: 1;
    display: flex;
    justify-content: center;
  }
  
  .header__menu-toggle {
    display: none;
  }
  
  .header__navigation {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: none;
    box-shadow: none;
    border-radius: 0;
    flex: 0 0 auto;
  }
  
  .header__nav-list {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-xs) 0 0 0;
  }
  
  .header__nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-left: none;
    border-radius: var(--border-radius-sm);
    position: relative;
  }
  
  .header__nav-link:hover,
  .header__nav-link:focus {
    background-color: var(--background-light);
    border-left: none;
  }
  
  .header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
  }
  
  .header__nav-link:hover::after,
  .header__nav-link:focus::after {
    width: 80%;
  }
}
/* ========================================
   CONTACT SECTION COMPONENT STYLES
   ======================================== */

.contact {
  padding: var(--spacing-xxl) 0;
  background-color: var(--white);
}

.contact__content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.contact__title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--primary-color);
  margin: 0 0 var(--spacing-md) 0;
  line-height: 1.2;
}

.contact__subtitle {
  font-size: var(--font-size-large);
  color: var(--text-light);
  margin: 0 0 var(--spacing-xl) 0;
  line-height: 1.6;
}

/* Contact Form Styles */
.contact__form {
  background-color: var(--background-light);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  text-align: left;
  margin-top: var(--spacing-xl);
}

.contact__form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.contact__form-group {
  display: flex;
  flex-direction: column;
}

.contact__form-group--full {
  grid-column: 1 / -1;
}

.contact__form-label {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.contact__form-required {
  color: var(--error-color);
  font-weight: 700;
}

.contact__form-input,
.contact__form-select,
.contact__form-textarea {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid #ddd;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  background-color: var(--white);
  transition: all 0.3s ease;
  width: 100%;
}

.contact__form-input:focus,
.contact__form-select:focus,
.contact__form-textarea:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.1);
  outline: none;
}

.contact__form-input:invalid:not(:focus):not(:placeholder-shown),
.contact__form-select:invalid:not(:focus),
.contact__form-textarea:invalid:not(:focus):not(:placeholder-shown) {
  border-color: var(--error-color);
}

.contact__form-input:valid:not(:focus):not(:placeholder-shown),
.contact__form-select:valid:not(:focus),
.contact__form-textarea:valid:not(:focus):not(:placeholder-shown) {
  border-color: var(--success-color);
}

.contact__form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

.contact__form-select {
  cursor: pointer;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23666" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6,9 12,15 18,9"></polyline></svg>');
  background-repeat: no-repeat;
  background-position: right var(--spacing-sm) center;
  background-size: 16px;
  padding-right: calc(var(--spacing-md) + 24px);
  appearance: none;
}

.contact__form-error {
  font-size: var(--font-size-small);
  color: var(--error-color);
  margin-top: var(--spacing-xs);
  min-height: 20px;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.contact__form-error:empty {
  display: none;
}

.contact__form-error::before {
  content: '⚠';
  font-size: 14px;
}

/* Form Actions */
.contact__form-actions {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.contact__form-submit {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-large);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  min-width: 180px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact__form-submit:hover:not(:disabled) {
  background-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.contact__form-submit:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-light);
}

.contact__form-submit:disabled {
  background-color: var(--text-light);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.contact__form-submit-loading {
  display: none;
}

.contact__form-submit.is-loading .contact__form-submit-text {
  display: none;
}

.contact__form-submit.is-loading .contact__form-submit-loading {
  display: inline;
}

/* Form Messages */
.contact__form-messages {
  margin-top: var(--spacing-lg);
}

.contact__form-message {
  display: none;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.contact__form-message:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-light);
}

.contact__form-message:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

.contact__form-message::after {
  content: '✕';
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-size: 14px;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.contact__form-message:hover::after {
  opacity: 1;
}

.contact__form-message.is-visible {
  display: flex;
}

.contact__form-message--success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.contact__form-message--error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.contact__form-message-icon {
  font-size: 18px;
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__form-message-text {
  flex: 1;
}

/* Tablet Styles - 768px and up */
@media (min-width: 768px) {
  .contact__title {
    font-size: 2.5rem;
  }
  
  .contact__subtitle {
    font-size: var(--font-size-xl);
  }
  
  .contact__form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact__form {
    padding: var(--spacing-xxl);
  }
}

/* Desktop Styles - 1024px and up */
@media (min-width: 1024px) {
  .contact {
    padding: var(--spacing-xxl) 0 calc(var(--spacing-xxl) * 1.5) 0;
  }
  
  .contact__title {
    font-size: 3rem;
  }
  
  .contact__content {
    max-width: 900px;
  }
}

/* ========================================
   FOOTER COMPONENT STYLES
   ======================================== */

.footer {
  background-color: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
  margin-top: auto;
}

.footer__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

/* Footer Info Section */
.footer__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.footer__company {
  text-align: center;
}

.footer__company-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--white);
  margin: 0 0 var(--spacing-xs) 0;
  line-height: 1.2;
}

.footer__tagline {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  font-weight: 300;
}

/* Footer Contact Information */
.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
  transition: all 0.3s ease;
}

.footer__contact-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.footer__contact-icon {
  font-size: 20px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer__contact-details {
  flex: 1;
}

.footer__contact-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--white);
  margin: 0 0 var(--spacing-xs) 0;
  line-height: 1.3;
}

.footer__contact-text {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  margin: 0;
}

.footer__phone-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
  word-break: break-all;
}

.footer__phone-link:hover,
.footer__phone-link:focus {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* Footer Bottom Section */
.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer__copyright {
  order: 2;
}

.footer__copyright-text {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 var(--spacing-xs) 0;
  line-height: 1.5;
}

.footer__established {
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
  font-weight: 300;
}

/* Footer Navigation */
.footer__links {
  order: 1;
}

.footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__nav-item {
  margin: 0;
}

.footer__nav-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: all 0.3s ease;
  position: relative;
}

.footer__nav-link:hover,
.footer__nav-link:focus {
  color: var(--secondary-color);
  background-color: rgba(255, 255, 255, 0.05);
}

.footer__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background-color: var(--secondary-color);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.footer__nav-link:hover::after,
.footer__nav-link:focus::after {
  width: 80%;
}

/* Tablet Styles - 768px and up */
@media (min-width: 768px) {
  .footer__info {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-xxl);
  }
  
  .footer__company {
    flex: 0 0 auto;
    text-align: left;
    min-width: 250px;
  }
  
  .footer__company-name {
    font-size: var(--font-size-xxl);
  }
  
  .footer__contact {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
  
  .footer__copyright {
    order: 1;
    flex: 1;
  }
  
  .footer__links {
    order: 2;
    flex: 0 0 auto;
  }
  
  .footer__nav-list {
    justify-content: flex-end;
  }
}

/* Desktop Styles - 1024px and up */
@media (min-width: 1024px) {
  .footer {
    padding: calc(var(--spacing-xxl) * 1.5) 0 var(--spacing-xl) 0;
  }
  
  .footer__company-name {
    font-size: 2rem;
  }
  
  .footer__contact {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__nav-list {
    gap: var(--spacing-lg);
  }
}

/* Large Desktop Styles - 1200px and up */
@media (min-width: 1200px) {
  .footer__content {
    gap: calc(var(--spacing-xxl) * 1.5);
  }
  
  .footer__info {
    gap: calc(var(--spacing-xxl) * 1.5);
  }
}