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

:root {
  /* Primary Colors - HVAC Blues */
  --color-primary: #1a5f7a;
  --color-primary-dark: #0d3d52;
  --color-primary-light: #2980b9;
  --color-accent: #3498db;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  
  /* Semantic Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Typography */
  --font-family-base: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-heading: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Container Widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1440px;
  
  /* Z-index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-toast: 600;
}

/* Base HTML Elements */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-4);
}

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

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

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

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-8);
  }
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) 0;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.header__logo-image {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

@media (min-width: 768px) {
  .header__logo-image {
    width: 50px;
    height: 50px;
  }
}

.header__logo-text {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .header__logo-text {
    font-size: var(--font-size-xl);
  }
}

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

@media (min-width: 1024px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
  }
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
}

.nav__link {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-gray-700);
  padding: var(--spacing-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

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

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

.nav__link--active::after {
  width: 100%;
}

.nav__cta {
  margin-left: var(--spacing-4);
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-2);
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle__line {
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-800);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.nav-toggle__line:nth-child(1) {
  margin-bottom: 6px;
}

.nav-toggle__line:nth-child(3) {
  margin-top: 6px;
}

.nav-toggle--active .nav-toggle__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle--active .nav-toggle__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

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

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

.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-6);
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-nav__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

.mobile-nav__close:hover {
  color: var(--color-gray-900);
}

.mobile-nav__list {
  padding: var(--spacing-4) 0;
}

.mobile-nav__item {
  border-bottom: 1px solid var(--color-gray-100);
}

.mobile-nav__link {
  display: block;
  padding: var(--spacing-4) var(--spacing-6);
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-gray-700);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav__link:hover {
  background-color: var(--color-gray-50);
  color: var(--color-primary);
}

.mobile-nav__cta {
  padding: var(--spacing-6);
}

/* Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.overlay--visible {
  opacity: 1;
  visibility: visible;
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--spacing-16) 0;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--spacing-20) 0;
  }
}

@media (min-width: 1024px) {
  .hero {
    padding: var(--spacing-24) 0;
    min-height: 500px;
    display: flex;
    align-items: center;
  }
}

.hero__inner {
  display: grid;
  gap: var(--spacing-8);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
  }
}

.hero__content {
  text-align: center;
}

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

.hero__badge {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-4);
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-4);
}

.hero__title {
  font-size: var(--font-size-3xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--font-size-4xl);
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: var(--font-size-5xl);
  }
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-8);
  max-width: 500px;
}

@media (min-width: 1024px) {
  .hero__subtitle {
    margin-left: 0;
    margin-right: auto;
  }
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  justify-content: center;
}

@media (min-width: 480px) {
  .hero__cta {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .hero__cta {
    justify-content: flex-start;
  }
}

.hero__image-wrapper {
  display: none;
}

@media (min-width: 1024px) {
  .hero__image-wrapper {
    display: block;
    position: relative;
  }
}

.hero__image {
  width: 100%;
  max-width: 500px;
  height: 350px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn--primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

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

.btn--secondary:hover:not(:disabled) {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-100);
  color: var(--color-primary-dark);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--outline:hover:not(:disabled) {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.btn--outline-dark {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline-dark:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
}

.btn--sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
}

.btn--block {
  width: 100%;
}

/* Section Styles */
.section {
  padding: var(--spacing-16) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--spacing-20) 0;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: var(--spacing-24) 0;
  }
}

.section--gray {
  background-color: var(--color-gray-50);
}

.section--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
}

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

.section__label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-2);
}

.section__title {
  margin-bottom: var(--spacing-4);
}

.section__description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto;
}

.section--primary .section__label {
  color: rgba(255, 255, 255, 0.9);
}

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

.section--primary .section__description {
  color: rgba(255, 255, 255, 0.9);
}

/* Service Cards */
.services-grid {
  display: grid;
  gap: var(--spacing-6);
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
  }
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.service-card__icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-4);
  color: var(--color-white);
}

.service-card__icon svg {
  width: 30px;
  height: 30px;
}

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

.service-card__description {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-4);
}

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

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

/* About Section */
.about {
  display: grid;
  gap: var(--spacing-8);
  align-items: center;
}

@media (min-width: 1024px) {
  .about {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
  }
}

.about__image-wrapper {
  position: relative;
}

.about__image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .about__image {
    height: 400px;
  }
}

@media (min-width: 1024px) {
  .about__image {
    height: 450px;
  }
}

.about__badge {
  position: absolute;
  bottom: var(--spacing-6);
  left: var(--spacing-6);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-4) var(--spacing-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about__badge-number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  line-height: 1;
}

.about__badge-text {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.about__content {
  max-width: 100%;
}

.about__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-2);
}

.about__title {
  margin-bottom: var(--spacing-6);
}

.about__description {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-6);
}

.about__features {
  display: grid;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
}

@media (min-width: 640px) {
  .about__features {
    grid-template-columns: repeat(2, 1fr);
  }
}

.about__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
}

.about__feature-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-success);
}

.about__feature-text {
  font-weight: 500;
  color: var(--color-gray-700);
}

/* Contact Section */
.contact {
  display: grid;
  gap: var(--spacing-8);
}

@media (min-width: 1024px) {
  .contact {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
  }
}

.contact__info {
  padding: var(--spacing-8);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl);
  color: var(--color-white);
}

.contact__info-title {
  color: var(--color-white);
  margin-bottom: var(--spacing-6);
}

.contact__info-description {
  opacity: 0.9;
  margin-bottom: var(--spacing-8);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
}

.contact__detail-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact__detail-icon svg {
  width: 22px;
  height: 22px;
}

.contact__detail-content h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-1);
}

.contact__detail-content p {
  opacity: 0.9;
  margin: 0;
}

.contact__detail-content a {
  color: var(--color-white);
  opacity: 0.9;
}

.contact__detail-content a:hover {
  opacity: 1;
}

/* Forms */
.form {
  background-color: var(--color-white);
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form__group {
  margin-bottom: var(--spacing-5);
}

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-2);
}

.form__label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:hover,
.form__textarea:hover,
.form__select:hover {
  border-color: var(--color-gray-400);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.15);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-gray-400);
}

.form__input--error {
  border-color: var(--color-error);
}

.form__input--error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--spacing-3) center;
  background-repeat: no-repeat;
  background-size: 20px;
  padding-right: var(--spacing-10);
}

.form__error {
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--spacing-1);
}

.form__row {
  display: grid;
  gap: var(--spacing-5);
}

@media (min-width: 640px) {
  .form__row--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form__row--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Checkbox and Radio */
.form__checkbox,
.form__radio {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  cursor: pointer;
}

.form__checkbox input,
.form__radio input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.form__checkbox-box,
.form__radio-box {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-300);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.form__checkbox-box {
  border-radius: var(--radius-sm);
}

.form__radio-box {
  border-radius: var(--radius-full);
}

.form__checkbox input:hover + .form__checkbox-box,
.form__radio input:hover + .form__radio-box {
  border-color: var(--color-primary);
}

.form__checkbox input:focus + .form__checkbox-box,
.form__radio input:focus + .form__radio-box {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.15);
}

.form__checkbox input:checked + .form__checkbox-box {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.form__checkbox input:checked + .form__checkbox-box svg {
  display: block;
}

.form__checkbox-box svg {
  width: 14px;
  height: 14px;
  color: var(--color-white);
  display: none;
}

.form__radio input:checked + .form__radio-box {
  border-color: var(--color-primary);
}

.form__radio input:checked + .form__radio-box::after {
  content: '';
  width: 10px;
  height: 10px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

.form__checkbox-label,
.form__radio-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: var(--line-height-normal);
}

.form__checkbox-label a,
.form__radio-label a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Cookie Consent Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--spacing-6);
  z-index: var(--z-toast);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.cookie-banner--visible {
  transform: translateY(0);
}

.cookie-banner__inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  max-width: var(--container-xl);
  margin: 0 auto;
}

@media (min-width: 768px) {
  .cookie-banner__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie-banner__content {
  flex: 1;
}

.cookie-banner__title {
  font-size: var(--font-size-lg);
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
}

.cookie-banner__description {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.cookie-banner__description a {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal--open {
  opacity: 1;
  visibility: visible;
}

.modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
}

.modal__content {
  position: relative;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow-y: auto;
  margin: var(--spacing-4);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--color-gray-200);
}

.modal__title {
  font-size: var(--font-size-xl);
  margin: 0;
}

.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-500);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.modal__close:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.modal__body {
  padding: var(--spacing-6);
}

.modal__footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  padding: var(--spacing-6);
  border-top: 1px solid var(--color-gray-200);
  justify-content: flex-end;
}

/* Cookie Settings Modal */
.cookie-settings__section {
  margin-bottom: var(--spacing-6);
}

.cookie-settings__section:last-child {
  margin-bottom: 0;
}

.cookie-settings__section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-2);
}

.cookie-settings__section-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-gray-800);
}

.cookie-settings__section-description {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin: 0;
}

/* Toggle Switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle__slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-gray-300);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

.toggle__slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: var(--color-white);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.toggle input:hover + .toggle__slider {
  background-color: var(--color-gray-400);
}

.toggle input:checked + .toggle__slider {
  background-color: var(--color-primary);
}

.toggle input:checked + .toggle__slider::before {
  transform: translateX(22px);
}

.toggle input:disabled + .toggle__slider {
  background-color: var(--color-gray-200);
  cursor: not-allowed;
}

.toggle input:focus + .toggle__slider {
  box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.15);
}

/* Footer */
.footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer__grid {
  display: grid;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-12);
  }
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.footer__logo-image {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.footer__logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-white);
}

.footer__description {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  margin-bottom: var(--spacing-6);
}

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

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-gray-800);
  border-radius: var(--radius-md);
  color: var(--color-gray-400);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.footer__social-link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

.footer__column-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
}

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

.footer__link {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

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

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.footer__contact-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary-light);
}

.footer__contact-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

.footer__contact-text a {
  color: var(--color-gray-400);
}

.footer__contact-text a:hover {
  color: var(--color-white);
}

.footer__bottom {
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-gray-800);
}

.footer__bottom-inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.footer__legal-link {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

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

/* Utility Classes */
.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-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--spacing-4); }
.mt-8 { margin-top: var(--spacing-8); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-8 { margin-bottom: var(--spacing-8); }

.hidden { display: none; }

@media (min-width: 768px) {
  .md\:hidden { display: none; }
  .md\:block { display: block; }
  .md\:flex { display: flex; }
}

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

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-normal) ease-out;
}

.animate-slide-in-right {
  animation: slideInRight var(--transition-normal) ease-out;
}

.animate-slide-in-up {
  animation: slideInUp var(--transition-normal) ease-out;
}

/* Print Styles */
@media print {
  .header,
  .cookie-banner,
  .footer,
  .btn {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
    background: #fff;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
}

/* Service Card with Image */
.service-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-4);
}

@media (min-width: 768px) {
  .service-card__image {
    height: 180px;
  }
}

/* Page Hero (for inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--spacing-12) 0;
  text-align: center;
}

@media (min-width: 768px) {
  .page-hero {
    padding: var(--spacing-16) 0;
  }
}

.page-hero__title {
  font-size: var(--font-size-3xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
}

@media (min-width: 768px) {
  .page-hero__title {
    font-size: var(--font-size-4xl);
  }
}

.page-hero__subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
}

/* Content Page Styles */
.content-page {
  padding: var(--spacing-12) 0;
}

.content-page__inner {
  max-width: 800px;
  margin: 0 auto;
}

.content-page h2 {
  color: var(--color-primary);
  margin-top: var(--spacing-8);
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-2xl);
}

.content-page h3 {
  color: var(--color-primary);
  margin-top: var(--spacing-6);
  margin-bottom: var(--spacing-3);
  font-size: var(--font-size-xl);
}

.content-page p {
  margin-bottom: var(--spacing-4);
  color: var(--color-gray-700);
}

.content-page ul, .content-page ol {
  margin-bottom: var(--spacing-4);
  margin-left: var(--spacing-6);
  color: var(--color-gray-700);
}

.content-page li {
  margin-bottom: var(--spacing-2);
}

.content-page a {
  color: var(--color-primary);
  text-decoration: underline;
}

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

.content-page .last-updated {
  color: var(--color-gray-500);
  font-style: italic;
  margin-bottom: var(--spacing-6);
}

/* Footer Disclaimer */
.footer__disclaimer {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  margin-top: var(--spacing-2);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-nav-overlay--visible {
  opacity: 1;
  visibility: visible;
}

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

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

.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-6);
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-nav__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
  font-size: 24px;
}

.mobile-nav__close:hover {
  color: var(--color-gray-900);
}

.mobile-nav__list {
  padding: var(--spacing-4) 0;
  list-style: none;
}

.mobile-nav__item {
  border-bottom: 1px solid var(--color-gray-100);
}

.mobile-nav__link {
  display: block;
  padding: var(--spacing-4) var(--spacing-6);
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-gray-700);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav__link:hover {
  background-color: var(--color-gray-50);
  color: var(--color-primary);
}

.mobile-nav__link--active {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

/* Cookie Banner Styles */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--spacing-6);
  z-index: var(--z-toast);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-xl);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-content {
  max-width: var(--container-xl);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

@media (min-width: 768px) {
  .cookie-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie-text h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-lg);
}

.cookie-text p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.cookie-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
}

.cookie-btn {
  padding: var(--spacing-3) var(--spacing-5);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.cookie-btn.accept-all {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.cookie-btn.accept-all:hover {
  background-color: var(--color-primary-dark);
}

.cookie-btn.reject-all {
  background-color: var(--color-gray-700);
  color: var(--color-white);
}

.cookie-btn.reject-all:hover {
  background-color: var(--color-gray-600);
}

.cookie-btn.customize {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-gray-600);
}

.cookie-btn.customize:hover {
  border-color: var(--color-white);
}

/* Cookie Modal Styles */
.cookie-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.cookie-modal.show {
  opacity: 1;
  visibility: visible;
}

.cookie-modal-content {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.cookie-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--color-gray-200);
}

.cookie-modal-header h2 {
  margin: 0;
  font-size: var(--font-size-xl);
  color: var(--color-gray-900);
}

.cookie-modal-close {
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--color-gray-500);
  padding: var(--spacing-2);
  line-height: 1;
  transition: color var(--transition-fast);
}

.cookie-modal-close:hover {
  color: var(--color-gray-900);
}

.cookie-modal-body {
  padding: var(--spacing-6);
}

.cookie-category {
  margin-bottom: var(--spacing-6);
}

.cookie-category:last-child {
  margin-bottom: 0;
}

.cookie-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-2);
}

.cookie-category-header h3 {
  margin: 0;
  font-size: var(--font-size-base);
  color: var(--color-gray-800);
}

.cookie-category p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin: 0;
}

.cookie-modal-footer {
  padding: var(--spacing-6);
  border-top: 1px solid var(--color-gray-200);
}

.cookie-btn.save-preferences {
  width: 100%;
  padding: var(--spacing-4);
  background-color: var(--color-primary);
  color: var(--color-white);
}

.cookie-btn.save-preferences:hover {
  background-color: var(--color-primary-dark);
}

/* Cookie Switch Toggle */
.cookie-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

.cookie-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.cookie-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-gray-300);
  transition: var(--transition-fast);
  border-radius: 26px;
}

.cookie-slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: var(--color-white);
  transition: var(--transition-fast);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.cookie-switch input:checked + .cookie-slider {
  background-color: var(--color-primary);
}

.cookie-switch input:checked + .cookie-slider:before {
  transform: translateX(24px);
}

.cookie-switch input:disabled + .cookie-slider {
  background-color: var(--color-gray-400);
  cursor: not-allowed;
}

/* Service Card Link */
.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

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

.service-card__link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.service-card__link:hover::after {
  transform: translateX(4px);
}

/* Service Card Features List */
.service-card__features {
  list-style: disc;
  margin-left: var(--spacing-6);
  margin-bottom: var(--spacing-4);
  color: var(--color-gray-600);
}

.service-card__features li {
  margin-bottom: var(--spacing-1);
  font-size: var(--font-size-sm);
}

.service-card__content {
  padding: 0;
}

/* Content Lists */
.section ul,
.section ol {
  margin-left: var(--spacing-6);
  margin-bottom: var(--spacing-4);
}

.section ul {
  list-style: disc;
}

.section ol {
  list-style: decimal;
}

.section li {
  margin-bottom: var(--spacing-2);
  color: var(--color-gray-700);
}

.section p {
  margin-bottom: var(--spacing-4);
  color: var(--color-gray-700);
}

/* Section text styling for text content */
.section > .container > p,
.section > .container > ul,
.section > .container > ol {
  max-width: 800px;
}

/* About Section Layout */
.about {
  display: grid;
  gap: var(--spacing-8);
  align-items: center;
}

@media (min-width: 1024px) {
  .about {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
  }
}

.about__image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .about__image {
    height: 400px;
  }
}

.about__content {
  max-width: 100%;
}

.about__content p {
  margin-bottom: var(--spacing-4);
}

/* Hero CTA center alignment in sections */
.section .hero__cta {
  justify-content: center;
}