:root {
  /* Unique Color System */
  --deep-slate: #26343A;
  --building-charcoal: #182126;
  --warm-ivory: #F6F2EA;
  --cloud-stone: #E7E8E2;
  --mist-sage: #B9C9BE;
  --soft-eucalyptus: #82A89A;
  --digital-mint: #A8D9C9;
  --copper-signal: #C8795E;
  --warm-sand: #D7C3A4;
  --muted-amber: #C5A75D;
  --architectural-grey: #899294;
  --glass-blue: #AFC9CD;

  /* Spacing System */
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-64: 64px;
  --space-128: 128px;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 8px;
  --transition: all 0.3s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  min-width: 0;
}

html {
  font-family: var(--font-family);
  background-color: var(--warm-ivory);
  color: var(--building-charcoal);
  line-height: 1.6;
  scroll-behavior: smooth;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-wrap: anywhere;
}

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

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

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 600;
  color: var(--building-charcoal);
}

h1 { font-size: 2.5rem; margin-bottom: var(--space-24); letter-spacing: -0.02em; }
h2 { font-size: 2rem; margin-top: var(--space-40); margin-bottom: var(--space-16); }
h3 { font-size: 1.5rem; margin-top: var(--space-32); margin-bottom: var(--space-16); }
p { margin-bottom: var(--space-16); }
ul, ol { margin-bottom: var(--space-24); padding-left: var(--space-24); }
li { margin-bottom: var(--space-8); }

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-24);
}

.main-content {
  flex: 1;
  padding-bottom: var(--space-64);
}

/* Header */
.site-header {
  background-color: var(--warm-ivory);
  border-bottom: 1px solid var(--cloud-stone);
  height: 64px;
  display: flex;
  align-items: center;
  position: relative;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--deep-slate);
}

.brand-icon {
  width: 24px;
  height: 24px;
  fill: var(--soft-eucalyptus);
}

.nav-desktop {
  display: none;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-24);
  padding: 0;
  margin: 0;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--deep-slate);
}

.nav-link:hover, .nav-link:focus-visible {
  color: var(--copper-signal);
}

.header-actions {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-24);
  background-color: var(--deep-slate);
  color: var(--warm-ivory);
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn:hover, .btn:focus-visible {
  background-color: var(--building-charcoal);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--cloud-stone);
  color: var(--deep-slate);
  border: 1px solid var(--architectural-grey);
}

.btn-secondary:hover, .btn-secondary:focus-visible {
  background-color: var(--mist-sage);
  border-color: var(--soft-eucalyptus);
}

.btn-accent {
  background-color: var(--copper-signal);
  color: var(--warm-ivory);
}

.btn-accent:hover, .btn-accent:focus-visible {
  background-color: #a65e46;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-8);
}

.hamburger-icon {
  width: 24px;
  height: 24px;
  fill: var(--deep-slate);
}

.nav-mobile-overlay {
  position: fixed;
  top: 64px;
  left: 0;
  width: 100%;
  height: calc(100vh - 64px);
  background-color: var(--warm-ivory);
  z-index: 100;
  display: none;
  padding: var(--space-24);
  overflow-y: auto;
}

.nav-mobile-overlay.is-open {
  display: block;
}

.nav-mobile-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.nav-mobile-link {
  font-size: 1.25rem;
  font-weight: 600;
  display: block;
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--cloud-stone);
}

/* Hero Section */
.hero {
  padding: var(--space-64) 0;
  background: linear-gradient(135deg, var(--warm-ivory) 0%, var(--cloud-stone) 100%);
  position: relative;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-40);
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--deep-slate);
  margin-bottom: var(--space-32);
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
  margin-bottom: var(--space-32);
}

.hero-meta {
  display: flex;
  gap: var(--space-24);
  font-size: 0.875rem;
  color: var(--architectural-grey);
  border-top: 1px solid var(--mist-sage);
  padding-top: var(--space-16);
}

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

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--digital-mint);
}

.hero-visual {
  position: relative;
  width: 100%;
  height: auto;
  min-height: 300px;
  background-color: var(--deep-slate);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-svg {
  width: 100%;
  height: 100%;
  max-height: 400px;
  color: var(--soft-eucalyptus);
}

/* Card System (Strict Image/Text Separation) */
.section-header {
  margin: var(--space-64) 0 var(--space-40);
  text-align: center;
}

.cards-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-64);
}

.glass-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-32);
  text-decoration: none;
  color: inherit;
  outline: none;
}

.card-image-wrapper {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.card-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.glass-card:hover .card-img, .glass-card:focus-visible .card-img {
  transform: scale(1.02);
}

/* The Glass Content Panel completely separate from image */
.card-glass-panel {
  background-color: rgba(231, 232, 226, 0.6); /* cloud-stone with opacity */
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius);
  padding: var(--space-32);
  box-shadow: 0 4px 24px rgba(24, 33, 38, 0.05);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.glass-card:hover .card-glass-panel, .glass-card:focus-visible .card-glass-panel {
  background-color: rgba(231, 232, 226, 0.8);
  box-shadow: 0 8px 32px rgba(24, 33, 38, 0.1);
  border-color: var(--mist-sage);
}

.card-category {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--soft-eucalyptus);
  margin-bottom: var(--space-8);
  display: flex;
  justify-content: space-between;
}

.card-number {
  color: var(--architectural-grey);
}

.card-title {
  font-size: 1.75rem;
  margin-bottom: var(--space-16);
  color: var(--deep-slate);
}

.card-desc {
  color: var(--building-charcoal);
  margin-bottom: var(--space-24);
  flex: 1;
}

.card-meta {
  display: flex;
  gap: var(--space-16);
  flex-wrap: wrap;
  margin-bottom: var(--space-24);
}

.meta-tag {
  background-color: var(--warm-ivory);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--architectural-grey);
  border: 1px solid var(--mist-sage);
}

.card-cta {
  align-self: flex-start;
  color: var(--copper-signal);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

/* Topic Pages Layout */
.page-header {
  padding: var(--space-64) 0 var(--space-40);
  background-color: var(--cloud-stone);
  border-bottom: 1px solid var(--mist-sage);
  margin-bottom: var(--space-40);
}

.page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-16);
}

.page-intro {
  font-size: 1.25rem;
  color: var(--deep-slate);
  max-width: 800px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-64);
}

.article-content {
  max-width: 800px;
}

.article-content h2 {
  color: var(--deep-slate);
  border-bottom: 2px solid var(--mist-sage);
  padding-bottom: var(--space-8);
}

.article-content img {
  border-radius: var(--radius);
  margin: var(--space-32) 0;
}

.info-box {
  background-color: var(--cloud-stone);
  border-left: 4px solid var(--copper-signal);
  padding: var(--space-24);
  margin: var(--space-32) 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.info-box h3 {
  margin-top: 0;
}

.checklist {
  list-style: none;
  padding: 0;
}

.checklist li {
  position: relative;
  padding-left: var(--space-32);
  margin-bottom: var(--space-16);
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--copper-signal);
  font-weight: bold;
}

.sidebar {
  background-color: var(--warm-ivory);
  border: 1px solid var(--cloud-stone);
  padding: var(--space-24);
  border-radius: var(--radius);
  align-self: start;
}

.sidebar h3 {
  margin-top: 0;
  font-size: 1.25rem;
}

.related-links {
  list-style: none;
  padding: 0;
}

.related-links li {
  margin-bottom: var(--space-16);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--cloud-stone);
}

.related-links li:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.related-links a {
  color: var(--deep-slate);
  font-weight: 600;
  display: block;
}

.related-links a:hover, .related-links a:focus-visible {
  color: var(--copper-signal);
}

/* Contact Form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-40);
}

.contact-info-block {
  background-color: var(--deep-slate);
  color: var(--warm-ivory);
  padding: var(--space-40);
  border-radius: var(--radius);
}

.contact-info-block h2, .contact-info-block h3 {
  color: var(--warm-ivory);
}

.form-group {
  margin-bottom: var(--space-24);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-8);
  color: var(--deep-slate);
}

.form-control {
  width: 100%;
  padding: var(--space-12);
  border: 1px solid var(--architectural-grey);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  background-color: #fff;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--copper-signal);
  box-shadow: 0 0 0 3px rgba(200, 121, 94, 0.2);
}

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

.form-message {
  display: none;
  padding: var(--space-16);
  border-radius: var(--radius);
  margin-bottom: var(--space-24);
  font-weight: 600;
}

.form-message.is-success {
  display: block;
  background-color: var(--digital-mint);
  color: var(--deep-slate);
}

.form-message.is-error {
  display: block;
  background-color: #f8d7da;
  color: #721c24;
}

/* Footer */
.site-footer {
  background-color: var(--deep-slate);
  color: var(--mist-sage);
  padding: var(--space-64) 0 var(--space-32);
  margin-top: auto;
  border-top: 4px solid var(--copper-signal);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-40);
  margin-bottom: var(--space-64);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--warm-ivory);
  margin-bottom: var(--space-24);
  transition: var(--transition);
}

.footer-brand:hover, .footer-brand:focus-visible {
  color: var(--copper-signal);
}

.footer-brand .brand-icon {
  width: 28px;
  height: 28px;
  fill: var(--copper-signal);
  transition: var(--transition);
}

.footer-brand:hover .brand-icon {
  transform: scale(1.1);
}

.brand-col .company-desc,
.brand-col .company-address {
  color: var(--mist-sage);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--space-16);
  font-style: normal;
}

.footer-col h4 {
  color: var(--warm-ivory);
  margin-bottom: var(--space-24);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-12);
}

.footer-links a {
  color: var(--cloud-stone);
  font-size: 0.95rem;
  display: inline-block;
  transition: var(--transition);
}

.footer-links a:hover, .footer-links a:focus-visible {
  color: var(--copper-signal);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-32);
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  font-size: 0.875rem;
  color: var(--architectural-grey);
  text-align: center;
  align-items: center;
}

.footer-bottom a {
  color: var(--cloud-stone);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.footer-bottom a:hover, .footer-bottom a:focus-visible {
  color: var(--copper-signal);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--deep-slate);
  color: var(--warm-ivory);
  padding: var(--space-24);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.2);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.4s ease-in-out;
}

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

.cookie-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-text h4 {
  color: var(--warm-ivory);
  margin-bottom: var(--space-8);
}

.cookie-text p {
  font-size: 0.875rem;
  color: var(--cloud-stone);
  margin: 0;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
}

/* Utilities */
:focus-visible {
  outline: 2px solid var(--copper-signal);
  outline-offset: 4px;
}

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

/* Responsive Breakpoints */
@media (min-width: 768px) {
  .nav-desktop, .header-actions {
    display: flex;
  }
  .mobile-toggle {
    display: none;
  }
  .hero-inner {
    grid-template-columns: 1fr 1fr;
  }
  .glass-card {
    flex-direction: row;
    align-items: center;
  }
  .card-image-wrapper {
    width: 45%;
    flex-shrink: 0;
  }
  .card-img {
    height: 100%;
    min-height: 400px;
  }
  .card-glass-panel {
    width: 55%;
  }
  .content-grid {
    grid-template-columns: 2fr 1fr;
  }
  .contact-layout {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-32);
  }
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
  .cookie-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

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