:root {
  --color-brass: #B8860B;
  --color-brass-light: #C9A227;
  --color-brass-dark: #8B6914;
  --color-walnut: #3D2B1F;
  --color-walnut-dark: #1A1612;
  --color-steel: #6B7280;
  --color-steel-light: #9CA3AF;
  --color-oxidized: #5C7A6B;
  --color-ivory: #F5F0E6;
  --color-ivory-dark: #E8DFD0;
  --color-charcoal: #2C2C2C;
  --color-tobacco: #6B4423;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --radius: 2px;
  --shadow: 0 2px 12px rgba(26, 22, 18, 0.15);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 72rem;
  --header-height: 4.5rem;
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-charcoal);
  background: var(--color-ivory);
  background-image:
    linear-gradient(rgba(184, 134, 11, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184, 134, 11, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-walnut);
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.35rem; }

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

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-walnut-dark);
  border-bottom: 2px solid var(--color-brass);
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  color: var(--color-ivory);
}

.logo-mark {
  width: 2rem;
  height: 2rem;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.logo-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-brass-light);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-brass);
  color: var(--color-ivory);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

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

.main-nav a {
  color: var(--color-ivory-dark);
  text-decoration: none;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

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

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

  .main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-walnut-dark);
    border-bottom: 2px solid var(--color-brass);
    padding: var(--space-sm);
    display: none;
  }

  .main-nav.is-open { display: block; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid var(--color-brass);
  background: var(--color-walnut);
  color: var(--color-ivory);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background var(--transition), transform var(--transition);
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: conic-gradient(from 0deg, transparent, var(--color-brass-light), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn:hover::before { opacity: 0.15; }

.btn:hover {
  background: var(--color-walnut-dark);
  transform: translateY(-1px);
}

.btn:active { transform: translateY(0); }

.btn-gear {
  display: inline-block;
  width: 0.85rem;
  height: 0.85rem;
  border: 1px solid var(--color-brass-light);
  border-radius: 50%;
  position: relative;
  transition: transform 0.6s ease;
}

.btn:hover .btn-gear { transform: rotate(90deg); }

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

.btn-secondary:hover {
  background: var(--color-ivory-dark);
  color: var(--color-walnut-dark);
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  align-items: center;
}

.hero-content { order: 2; }

.hero-visual {
  order: 1;
  position: relative;
}

.hero-visual img {
  border: 3px solid var(--color-brass);
  box-shadow: var(--shadow);
}

.hero-visual::after {
  content: "Fig. 01";
  position: absolute;
  bottom: -1.5rem;
  right: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-steel);
  letter-spacing: 0.1em;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-oxidized);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.hero-stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-brass-dark);
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-brass-dark);
  line-height: 1;
}

.hero-stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-steel);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: var(--space-lg) 0;
  }
  .hero-content { order: 1; }
  .hero-visual { order: 2; }
}

.section { padding: var(--space-xl) 0; }

.section-alt {
  background: var(--color-walnut-dark);
  color: var(--color-ivory-dark);
}

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

.section-alt a { color: var(--color-brass-light); }

.section-header {
  margin-bottom: var(--space-lg);
  max-width: 40rem;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-brass);
  letter-spacing: 0.2em;
  display: block;
  margin-bottom: var(--space-xs);
}

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

.card {
  background: var(--color-ivory);
  border: 1px solid var(--color-brass-dark);
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.section-alt .card {
  background: var(--color-walnut);
  border-color: var(--color-brass);
}

.card:hover { transform: translateY(-3px); }

.card-img {
  aspect-ratio: 16/10;
  object-fit: cover;
  width: 100%;
  border-bottom: 2px solid var(--color-brass);
}

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

.card-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-steel);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.card-title {
  font-size: 1.2rem;
  margin: 0 0 var(--space-xs);
}

.card-link {
  text-decoration: none;
  color: inherit;
}

.card-link:hover .card-title { color: var(--color-brass-dark); }

.chart-block {
  background: var(--color-walnut);
  border: 2px solid var(--color-brass);
  padding: var(--space-md);
  position: relative;
}

.chart-block::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 1px solid rgba(184, 134, 11, 0.3);
  pointer-events: none;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
  margin-top: var(--space-sm);
}

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--color-brass-dark), var(--color-brass-light));
  min-width: 12px;
}

.page-header {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 2px solid var(--color-brass);
  margin-bottom: var(--space-lg);
}

.page-header h1 { margin: 0 0 var(--space-sm); }

.page-intro {
  font-size: 1.125rem;
  color: var(--color-tobacco);
  max-width: 42rem;
}

.prose { max-width: 42rem; }
.prose-wide { max-width: 56rem; }

.prose h2 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.prose ul, .prose ol {
  margin: 0 0 var(--space-sm);
  padding-left: var(--space-md);
}

.prose li { margin-bottom: 0.35rem; }

.service-detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-lg);
}

.service-hero-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border: 3px solid var(--color-brass);
  margin-bottom: var(--space-lg);
}

.detail-panel {
  background: var(--color-ivory-dark);
  border: 1px solid var(--color-brass-dark);
  padding: var(--space-md);
}

.detail-panel h3 {
  font-size: 1rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 var(--space-sm);
  color: var(--color-brass-dark);
}

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

.detail-list li {
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(184, 134, 11, 0.2);
  font-size: 0.9rem;
}

.detail-list li::before {
  content: "◆ ";
  color: var(--color-oxidized);
  font-size: 0.6rem;
}

@media (max-width: 768px) {
  .service-detail-grid { grid-template-columns: 1fr; }
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: 0.95rem;
}

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

.pricing-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-brass-dark);
  background: var(--color-ivory-dark);
}

.pricing-note {
  font-size: 0.875rem;
  color: var(--color-steel);
  font-style: italic;
}

.testimonial {
  border-left: 3px solid var(--color-brass);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  background: var(--color-ivory-dark);
}

.testimonial-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  margin-bottom: var(--space-sm);
}

.testimonial-author {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-steel);
}

.case-study {
  border: 1px solid var(--color-brass-dark);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.case-study h3 { margin-top: 0; }

.blog-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-steel);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
}

.blog-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

.blog-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--color-oxidized);
  color: var(--color-oxidized);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.post-cover {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border: 3px solid var(--color-brass);
  margin-bottom: var(--space-lg);
}

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

.contact-info {
  background: var(--color-walnut-dark);
  color: var(--color-ivory-dark);
  padding: var(--space-lg);
  border: 2px solid var(--color-brass);
}

.contact-info h2 { color: var(--color-brass-light); }

.contact-info address {
  font-style: normal;
  line-height: 1.8;
  margin: var(--space-md) 0;
}

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

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
  color: var(--color-walnut);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-brass-dark);
  background: var(--color-ivory);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-brass);
  box-shadow: 0 0 0 2px rgba(184, 134, 11, 0.2);
}

.form-group input.is-invalid,
.form-group select.is-invalid,
.form-group textarea.is-invalid {
  border-color: #9B2C2C;
}

.form-error {
  color: #9B2C2C;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: none;
}

.form-error.is-visible { display: block; }

.form-success {
  background: var(--color-oxidized);
  color: var(--color-ivory);
  padding: var(--space-md);
  margin-top: var(--space-md);
  display: none;
}

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

.form-failure {
  background: #9B2C2C;
  color: var(--color-ivory);
  padding: var(--space-md);
  margin-top: var(--space-md);
  display: none;
}

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

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

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

.legal-content h3 {
  font-size: 1.05rem;
  margin-top: var(--space-md);
}

.cookie-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: var(--space-md) 0;
}

.cookie-table th,
.cookie-table td {
  border: 1px solid var(--color-brass-dark);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.cookie-table th {
  background: var(--color-ivory-dark);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.report-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}

.report-item {
  border: 2px solid var(--color-brass);
  background: var(--color-walnut-dark);
  color: var(--color-ivory-dark);
  overflow: hidden;
}

.report-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  opacity: 0.85;
  border-bottom: 2px solid var(--color-brass);
}

.report-item-body { padding: var(--space-md); }

.report-item-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-brass-light);
  letter-spacing: 0.15em;
}

.site-footer {
  background: var(--color-walnut-dark);
  color: var(--color-ivory-dark);
  padding: var(--space-xl) 0 var(--space-md);
  margin-top: var(--space-xl);
  border-top: 3px solid var(--color-brass);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-brass-light);
  margin-bottom: var(--space-sm);
}

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

.footer-nav li { margin-bottom: 0.35rem; }

.footer-nav a {
  color: var(--color-ivory-dark);
  text-decoration: none;
  font-size: 0.875rem;
}

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

.footer-bottom {
  border-top: 1px solid rgba(184, 134, 11, 0.3);
  padding-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--color-steel-light);
  font-family: var(--font-mono);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-walnut-dark);
  border-top: 2px solid var(--color-brass);
  padding: var(--space-md);
  z-index: 200;
  transform: translateY(100%);
  transition: transform var(--transition);
}

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

.cookie-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  max-width: var(--max-width);
  margin: 0 auto;
  width: min(100% - 2rem, var(--max-width));
}

.cookie-text {
  flex: 1;
  min-width: 200px;
  font-size: 0.875rem;
  color: var(--color-ivory-dark);
  margin: 0;
}

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

.cookie-actions .btn {
  padding: 0.5rem 1rem;
  font-size: 0.7rem;
}

.error-page {
  text-align: center;
  padding: var(--space-xl) 0;
  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-dark);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.text-center { text-align: center; }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }