/* ========================================
   ASH ENVIRO LTD - Main Stylesheet
   ======================================== */

:root {
  --primary-navy: #1A3A3A;
  --primary-charcoal: #2C3E3E;
  --accent-teal: #2C7A7B;
  --accent-teal-light: #4A9A9B;
  --background-white: #FFFFFF;
  --background-grey: #F8F9FA;
  --background-light: #FAFBFC;
  --text-dark: #1A3A3A;
  --text-medium: #5A7A7A;
  --text-light: #8A9A9A;
  --border-light: #E0E5E5;
  --success-green: #2D8659;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --border-radius: 8px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-medium);
}

a {
  color: var(--accent-teal);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-teal-light);
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: 1400px;
}

/* Header */
header {
  background: var(--background-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-light);
}

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

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

.logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-navy);
}

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

nav a {
  color: var(--text-dark);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
}

nav a:hover,
nav a.active {
  color: var(--accent-teal);
}

nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-teal);
}

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--background-grey) 0%, var(--background-white) 100%);
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
}

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

.hero p {
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  color: var(--text-medium);
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--accent-teal-light);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-outline {
  background: transparent;
  color: var(--primary-navy);
  border: 2px solid var(--primary-navy);
}

.btn-outline:hover {
  background: var(--primary-navy);
  color: white;
}

/* Cards */
.card {
  background: var(--background-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-light);
}

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

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.card-text {
  color: var(--text-medium);
  margin-bottom: var(--spacing-md);
}

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

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Sections */
.section {
  padding: var(--spacing-2xl) var(--spacing-md);
}

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

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

/* Trust Signals */
.trust-signals {
  background: var(--background-grey);
  padding: var(--spacing-xl) var(--spacing-md);
  border-radius: var(--border-radius);
  margin: var(--spacing-xl) 0;
}

.trust-signals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

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

.trust-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--accent-teal);
}

.trust-item h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.trust-item p {
  font-size: 0.875rem;
  color: var(--text-medium);
}

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-dark);
}

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(44, 122, 123, 0.1);
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
}

.form-checkbox input {
  margin-top: 4px;
}

/* Footer */
footer {
  background: var(--primary-navy);
  color: white;
  padding: var(--spacing-xl) var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

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

.footer-section h3 {
  color: white;
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

/* Breadcrumb */
.breadcrumb {
  padding: var(--spacing-md) var(--spacing-md);
  background: var(--background-grey);
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--text-medium);
}

.breadcrumb a:hover {
  color: var(--accent-teal);
}

.breadcrumb span {
  color: var(--text-light);
  margin: 0 var(--spacing-xs);
}

/* Article List */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.article-card {
  background: var(--background-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-light);
}

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

.article-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.article-card-content {
  padding: var(--spacing-md);
}

.article-card-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--background-grey);
  color: var(--accent-teal);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  border-radius: 4px;
  margin-bottom: var(--spacing-sm);
}

.article-card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.article-card-excerpt {
  color: var(--text-medium);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-md);
}

/* Article Page */
.article-hero {
  background: var(--background-grey);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  color: var(--text-medium);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
}

.article-featured-image {
  width: 100%;
  max-width: 900px;
  margin: var(--spacing-xl) auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.article-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.article-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.article-content ul,
.article-content ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  color: var(--text-medium);
}

.article-content li {
  margin-bottom: var(--spacing-xs);
}

.article-cta {
  background: var(--background-grey);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin-top: var(--spacing-xl);
  text-align: center;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--background-white);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.faq-question {
  padding: var(--spacing-md);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--background-grey);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--accent-teal);
  transition: var(--transition);
}

.faq-item.active .faq-question::after {
  content: '−';
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 1000px;
}

.faq-answer-content {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--text-medium);
}

/* Contact Page */
.contact-hero {
  background: var(--background-grey);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-xl) auto;
  max-width: 1200px;
  padding: 0 var(--spacing-md);
}

.contact-details-card {
  background: var(--background-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.contact-details-card h3 {
  margin-bottom: var(--spacing-md);
}

.contact-details-card p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-medium);
}

.contact-details-card a {
  color: var(--accent-teal);
}

/* 404 Page */
.error-page {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-md);
}

.error-page h1 {
  font-size: 6rem;
  color: var(--accent-teal);
  margin-bottom: var(--spacing-md);
}

.error-page h2 {
  margin-bottom: var(--spacing-md);
}

.error-page p {
  margin-bottom: var(--spacing-lg);
  color: var(--text-medium);
}

/* Utilities */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* Responsive */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

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

  nav.active {
    display: block;
  }

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

  .hero {
    padding: var(--spacing-xl) var(--spacing-md);
  }

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

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

  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .trust-signals-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}

/* ========================================
   COOKIE CONSENT BANNER
   ======================================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary-navy);
  color: white;
  padding: var(--spacing-md);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cookie-banner.is-hidden {
  display: none !important;
}

.cookie-banner-content {
  max-width: 1200px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.cookie-banner-text {
  flex: 1;
  min-width: 250px;
}

.cookie-banner-text p {
  margin: 0;
  color: white;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.cookie-banner-text .cookie-link {
  color: var(--accent-teal-light);
  text-decoration: underline;
}

.cookie-banner-text .cookie-link:hover {
  color: white;
}

.cookie-banner-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.cookie-banner-actions .btn {
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .cookie-banner-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-banner-actions {
    width: 100%;
    flex-direction: column;
  }
  
  .cookie-banner-actions .btn {
    width: 100%;
  }
}

/* ========================================
   COOKIE PREFERENCES MODAL
   ======================================== */
.cookie-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cookie-modal.is-hidden {
  display: none !important;
}

.cookie-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(2px);
}

.cookie-modal-content {
  position: relative;
  background: var(--background-white);
  border-radius: var(--border-radius);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  z-index: 1;
}

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

.cookie-modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

.cookie-modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-medium);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: var(--transition);
}

.cookie-modal-close:hover {
  background: var(--background-grey);
  color: var(--text-dark);
}

.cookie-modal-close:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 2px;
}

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

.cookie-modal-body > p {
  margin-bottom: var(--spacing-lg);
  color: var(--text-medium);
}

.cookie-preference-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-light);
  gap: var(--spacing-md);
}

.cookie-preference-item:last-child {
  border-bottom: none;
}

.cookie-preference-info {
  flex: 1;
}

.cookie-preference-info h3 {
  margin: 0 0 var(--spacing-xs) 0;
  font-size: 1.125rem;
}

.cookie-preference-info p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-medium);
}

.cookie-preference-toggle {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.cookie-toggle-label {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
  cursor: pointer;
}

.cookie-toggle-label input[type="checkbox"] {
  opacity: 0;
  width: 0;
  height: 0;
}

.cookie-toggle-switch {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  border-radius: 26px;
  transition: var(--transition);
}

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

input[type="checkbox"]:checked + .cookie-toggle-label .cookie-toggle-switch {
  background-color: var(--accent-teal);
}

input[type="checkbox"]:checked + .cookie-toggle-label .cookie-toggle-switch:before {
  transform: translateX(24px);
}

input[type="checkbox"]:disabled + .cookie-toggle-label {
  cursor: not-allowed;
  opacity: 0.6;
}

.cookie-modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

.cookie-modal-footer .btn {
  min-width: 120px;
}

@media (max-width: 768px) {
  .cookie-preference-item {
    flex-direction: column;
  }
  
  .cookie-modal-footer {
    flex-direction: column;
  }
  
  .cookie-modal-footer .btn {
    width: 100%;
  }
}

/* Focus styles */
*:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 2px;
}