:root {
  --color-brass: #c9a227;
  --color-brass-light: #e8c84a;
  --color-brass-dark: #8a6d1a;
  --color-walnut: #3d2e1f;
  --color-walnut-deep: #2a2318;
  --color-steel: #6b7280;
  --color-steel-light: #9ca3af;
  --color-oxidized: #4a6b5a;
  --color-ivory: #f5f0e6;
  --color-ivory-dark: #e8e0d0;
  --color-charcoal: #1a1814;
  --color-tobacco: #5c4033;
  --color-error: #8b3a3a;
  --color-success: #3d6b4f;
  --font-display: 'Cinzel', Georgia, serif;
  --font-body: 'Source Sans 3', system-ui, sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --radius-sm: 2px;
  --radius-md: 4px;
  --shadow-brass: 0 2px 8px rgba(201, 162, 39, 0.15);
  --transition-gear: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-charcoal);
  background: var(--color-ivory);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(201, 162, 39, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(74, 107, 90, 0.05) 0%, transparent 50%);
  min-height: 100vh;
}

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

a {
  color: var(--color-brass-dark);
  text-decoration-color: var(--color-brass);
  text-underline-offset: 3px;
  transition: color 0.2s;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-walnut-deep);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.35rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p { margin: 0 0 var(--space-md); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-walnut-deep);
  border-bottom: 2px solid var(--color-brass-dark);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-brass-light);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

.logo:hover { color: var(--color-ivory); }

.logo-mark { color: var(--color-brass); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 1px solid var(--color-brass-dark);
  padding: 8px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-brass);
  transition: transform 0.3s;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.main-nav a {
  color: var(--color-ivory-dark);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-weight: 600;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-brass-light);
}

.nav-cta {
  border: 1px solid var(--color-brass) !important;
  padding: 0.4rem 1rem !important;
  border-radius: var(--radius-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.65rem 1.4rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-gear), box-shadow 0.3s, background 0.3s;
}

.btn::before {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.2s, transform var(--transition-gear);
}

.btn:hover::before {
  opacity: 0.3;
  transform: rotate(90deg);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-brass) 0%, var(--color-brass-dark) 100%);
  color: var(--color-walnut-deep);
  border-color: var(--color-brass-dark);
  box-shadow: var(--shadow-brass);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201, 162, 39, 0.35);
  color: var(--color-walnut-deep);
}

.btn-secondary {
  background: transparent;
  color: var(--color-walnut);
  border-color: var(--color-steel);
}

.btn-secondary:hover {
  border-color: var(--color-brass);
  color: var(--color-brass-dark);
}

.btn:active {
  transform: scale(0.98);
}

/* Hero */
.hero {
  position: relative;
  min-height: 520px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  background: var(--color-walnut-deep);
}

.hero-image {
  position: relative;
  min-height: 400px;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(15%) contrast(1.05);
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 60%, var(--color-walnut-deep) 100%);
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-2xl) var(--space-xl);
  color: var(--color-ivory);
}

.hero-index {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-brass);
  margin-bottom: var(--space-md);
}

.hero-content h1 {
  color: var(--color-ivory);
  margin-bottom: var(--space-lg);
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--color-ivory-dark);
  max-width: 42ch;
  margin-bottom: var(--space-xl);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-alt {
  background: var(--color-walnut);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  border-bottom: 3px solid var(--color-brass-dark);
}

.hero-alt .hero-inner {
  max-width: 800px;
  margin: 0 auto;
}

.hero-alt h1 { color: var(--color-ivory); }
.hero-alt p { color: var(--color-ivory-dark); }

/* Sections */
.section {
  padding: var(--space-2xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: var(--space-xl);
  border-left: 3px solid var(--color-brass);
  padding-left: var(--space-lg);
}

.section-header .section-num {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--color-brass-dark);
  display: block;
  margin-bottom: var(--space-xs);
}

.section-dark {
  background: var(--color-walnut-deep);
  color: var(--color-ivory-dark);
  max-width: none;
}

.section-dark h2, .section-dark h3 { color: var(--color-brass-light); }

.section-dark .section-header {
  border-color: var(--color-brass);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.card {
  background: var(--color-ivory);
  border: 1px solid var(--color-ivory-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(42, 35, 24, 0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(42, 35, 24, 0.12);
}

.card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-walnut);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(10%);
}

.card-body {
  padding: var(--space-lg);
}

.card-meta {
  font-size: 0.8rem;
  color: var(--color-steel);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.card-body h3 { margin-bottom: var(--space-sm); }

.card-body p:last-child { margin-bottom: 0; }

.card-link {
  display: inline-block;
  margin-top: var(--space-md);
  font-weight: 600;
  text-decoration: none;
}

/* Instrument panel */
.instrument-panel {
  background: linear-gradient(180deg, var(--color-walnut) 0%, var(--color-walnut-deep) 100%);
  border: 2px solid var(--color-brass-dark);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  position: relative;
}

.instrument-panel::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 1px solid rgba(201, 162, 39, 0.2);
  border-radius: var(--radius-sm);
  pointer-events: none;
}

.dial-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  justify-content: center;
}

.dial {
  text-align: center;
  min-width: 140px;
}

.dial-value {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-brass-light);
  display: block;
}

.dial-label {
  font-size: 0.8rem;
  color: var(--color-steel-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Testimonials */
.testimonial {
  background: var(--color-ivory);
  border-left: 4px solid var(--color-brass);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.testimonial blockquote {
  margin: 0 0 var(--space-md);
  font-style: italic;
  color: var(--color-tobacco);
}

.testimonial cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-steel);
}

.testimonial-extended {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-xl);
  background: var(--color-ivory-dark);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-xl);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-steel-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--color-ivory);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-brass);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}

.form-group textarea { min-height: 140px; resize: vertical; }

.form-error {
  color: var(--color-error);
  font-size: 0.85rem;
  margin-top: var(--space-xs);
  display: none;
}

.form-group.invalid .form-error { display: block; }
.form-group.invalid input,
.form-group.invalid select,
.form-group.invalid textarea {
  border-color: var(--color-error);
}

.form-success {
  background: rgba(61, 107, 79, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  display: none;
}

.form-success.visible { display: block; }

.form-failure {
  background: rgba(139, 58, 58, 0.1);
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  display: none;
}

.form-failure.visible { display: block; }

/* Contact layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
}

.contact-info address {
  font-style: normal;
  line-height: 1.8;
}

.contact-info h2 {
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
}

/* Legal pages */
.legal-content {
  max-width: 780px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.legal-content h2 {
  margin-top: var(--space-xl);
  font-size: 1.25rem;
}

.legal-content ul, .legal-content ol {
  padding-left: var(--space-xl);
}

.cookies-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
  font-size: 0.9rem;
}

.cookies-table th,
.cookies-table td {
  border: 1px solid var(--color-ivory-dark);
  padding: var(--space-sm) var(--space-md);
  text-align: left;
}

.cookies-table th {
  background: var(--color-walnut);
  color: var(--color-ivory);
  font-family: var(--font-display);
  font-weight: 600;
}

.cookies-table tr:nth-child(even) { background: rgba(201, 162, 39, 0.05); }

/* Service detail */
.service-hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  padding: var(--space-2xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.service-hero-image {
  border: 3px solid var(--color-brass-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.service-detail-section {
  max-width: 780px;
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-lg);
}

.service-detail-section ul {
  padding-left: var(--space-xl);
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
}

.pricing-table th,
.pricing-table td {
  border: 1px solid var(--color-ivory-dark);
  padding: var(--space-md);
  text-align: left;
}

.pricing-table th {
  background: var(--color-walnut-deep);
  color: var(--color-brass-light);
  font-family: var(--font-display);
}

/* Blog */
.blog-post-header {
  max-width: 780px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
}

.blog-post-cover {
  max-width: 900px;
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-lg);
}

.blog-post-cover img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-brass-dark);
}

.blog-post-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 var(--space-lg) var(--space-2xl);
}

.blog-post-content h2 {
  margin-top: var(--space-xl);
  font-size: 1.3rem;
}

.blog-meta {
  font-size: 0.85rem;
  color: var(--color-steel);
  margin-bottom: var(--space-md);
}

/* Methodology page */
.process-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  max-width: 800px;
  margin: 0 auto;
}

.process-steps li {
  counter-increment: step;
  position: relative;
  padding: var(--space-lg) var(--space-lg) var(--space-lg) 4rem;
  margin-bottom: var(--space-md);
  background: var(--color-ivory);
  border: 1px solid var(--color-ivory-dark);
  border-radius: var(--radius-md);
}

.process-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: var(--space-lg);
  top: var(--space-lg);
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-brass);
  font-weight: 700;
}

/* 404 */
.error-page {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.error-code {
  font-family: var(--font-display);
  font-size: 6rem;
  color: var(--color-brass);
  line-height: 1;
  margin-bottom: var(--space-md);
}

/* Footer */
.site-footer {
  background: var(--color-walnut-deep);
  color: var(--color-ivory-dark);
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
  margin-top: var(--space-2xl);
  border-top: 3px solid var(--color-brass-dark);
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.footer-name {
  font-family: var(--font-display);
  color: var(--color-brass-light);
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--color-steel-light);
}

.site-footer h2 {
  font-size: 0.85rem;
  color: var(--color-brass);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.site-footer a {
  color: var(--color-ivory-dark);
  text-decoration: none;
}

.site-footer a:hover { color: var(--color-brass-light); }

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

.site-footer li { margin-bottom: var(--space-sm); }

.footer-bottom {
  max-width: 1200px;
  margin: var(--space-xl) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(201, 162, 39, 0.2);
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-steel-light);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--color-walnut-deep);
  border-top: 2px solid var(--color-brass-dark);
  padding: var(--space-lg);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
}

.cookie-banner[hidden] { display: none; }

.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.cookie-inner p {
  margin: 0;
  color: var(--color-ivory-dark);
  flex: 1;
  min-width: 260px;
  font-size: 0.9rem;
}

.cookie-inner a { color: var(--color-brass-light); }

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

/* Image placeholder */
.img-placeholder {
  background: linear-gradient(135deg, var(--color-walnut) 0%, var(--color-walnut-deep) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-brass);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  min-height: 200px;
}

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-image { min-height: 280px; }
  .hero-image::after {
    background: linear-gradient(0deg, var(--color-walnut-deep) 0%, transparent 60%);
  }
  .service-hero { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .testimonial-extended { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-walnut-deep);
    border-bottom: 2px solid var(--color-brass-dark);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
  }

  .main-nav.open { max-height: 400px; }

  .main-nav ul {
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
  }

  .header-inner { position: relative; }
}