:root {
  --gold: #c9a227;
  --gold-light: #e8c547;
  --gold-dark: #8b6914;
  --brass: #b8860b;
  --walnut: #3d2b1f;
  --walnut-light: #5c4033;
  --steel: #6b7280;
  --steel-light: #9ca3af;
  --oxidized: #4a6b4a;
  --charcoal: #1c1c1e;
  --charcoal-mid: #2a2a2c;
  --ivory: #f5f0e6;
  --ivory-dim: #e8e0d0;
  --border: rgba(201, 162, 39, 0.25);
  --font-serif: "Libre Baskerville", Georgia, serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --max-width: 72rem;
  --header-h: 4.5rem;
}

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

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

body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ivory);
  background: var(--charcoal);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(201, 162, 39, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--charcoal) 0%, #141416 100%);
  min-height: 100vh;
}

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

a {
  color: var(--gold-light);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-mono);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.35rem, 2.5vw, 1.75rem); }
h3 { font-size: 1.15rem; }

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

ul, ol { margin: 0 0 var(--space-sm); padding-left: 1.25rem; }

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--gold);
  color: var(--charcoal);
  padding: var(--space-xs) var(--space-sm);
  z-index: 9999;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.skip-link:focus { top: var(--space-sm); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(28, 28, 30, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ivory);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

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

.logo-mark { color: var(--gold); flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 1px solid var(--border);
  padding: 0.5rem;
  cursor: pointer;
  border-radius: 2px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gold);
  transition: transform 0.2s;
}

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

.site-nav a {
  color: var(--ivory-dim);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: color 0.2s;
}

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

.nav-cta {
  border: 1px solid var(--gold);
  padding: 0.4rem 0.85rem !important;
  color: var(--gold) !important;
}

.nav-cta:hover { background: rgba(201, 162, 39, 0.12); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--charcoal-mid);
    border-bottom: 1px solid var(--border);
    padding: var(--space-md);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}

/* Footer */
.site-footer {
  margin-top: var(--space-xl);
  border-top: 1px solid var(--border);
  background: var(--charcoal-mid);
  padding: var(--space-lg) var(--space-md);
}

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

.footer-grid h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin: 0 0 var(--space-sm);
}

.footer-name {
  font-family: var(--font-mono);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

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

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

.footer-links li,
.footer-legal li { margin-bottom: 0.35rem; }

.footer-links a,
.footer-legal a,
.footer-contact a {
  color: var(--ivory-dim);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-links a:hover,
.footer-legal a:hover,
.footer-contact a:hover { color: var(--gold); }

.footer-base {
  max-width: var(--max-width);
  margin: var(--space-lg) auto 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--steel);
}

/* Layout utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--oxidized);
  margin-bottom: var(--space-sm);
}

.section-label::before {
  content: "§ ";
  color: var(--gold-dark);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.75rem 1.35rem;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: color 0.35s, background 0.35s;
}

.btn::before {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid var(--gold-dark);
  border-radius: 50%;
  left: 8px;
  opacity: 0;
  transform: rotate(0deg);
  transition: opacity 0.2s, transform 0.4s;
}

.btn:hover::before {
  opacity: 0.6;
  transform: rotate(180deg);
}

.btn:hover {
  background: rgba(201, 162, 39, 0.15);
  color: var(--gold-light);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--charcoal);
  border-color: var(--gold-light);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--charcoal);
}

.btn-secondary {
  border-color: var(--steel);
  color: var(--ivory-dim);
}

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

/* Cards */
.card {
  background: var(--charcoal-mid);
  border: 1px solid var(--border);
  padding: var(--space-md);
  position: relative;
}

.card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 24px;
  height: 24px;
  border-left: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  margin-bottom: var(--space-sm);
  filter: sepia(0.15) contrast(1.05);
}

.card h3 { margin: 0 0 0.5rem; }

.card-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--steel-light);
  margin-bottom: var(--space-xs);
}

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

/* Hero variants */
.hero-home {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-xl) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 70vh;
}

.hero-content { order: 1; }

.hero-visual {
  order: 2;
  position: relative;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border: 1px solid var(--border);
  filter: sepia(0.2) contrast(1.08);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -8px -8px 8px 8px;
  border: 1px solid rgba(201, 162, 39, 0.15);
  pointer-events: none;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--oxidized);
  margin-bottom: var(--space-sm);
}

.hero-stat-row {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.hero-stat {
  font-family: var(--font-mono);
}

.hero-stat-num {
  display: block;
  font-size: 1.5rem;
  color: var(--gold);
  font-weight: 600;
}

.hero-stat-label {
  font-size: 0.7rem;
  color: var(--steel-light);
  letter-spacing: 0.05em;
}

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

@media (max-width: 768px) {
  .hero-home {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: var(--space-lg);
  }

  .hero-visual { order: 0; }

  .hero-visual img { aspect-ratio: 16/10; }
}

.page-hero {
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 { margin: 0 0 var(--space-sm); max-width: 40ch; }

.page-hero-lead {
  font-size: 1.125rem;
  color: var(--ivory-dim);
  max-width: 55ch;
  margin: 0;
}

.page-hero-with-image {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
  align-items: end;
}

.page-hero-with-image img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  border: 1px solid var(--border);
  filter: sepia(0.18);
}

@media (max-width: 768px) {
  .page-hero-with-image { grid-template-columns: 1fr; }
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

/* Chart decorative elements */
.chart-panel {
  background: var(--walnut);
  border: 1px solid var(--border);
  padding: var(--space-md);
  position: relative;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 120px;
  margin-top: var(--space-sm);
}

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--gold-dark), var(--gold));
  min-height: 20%;
  opacity: 0.85;
}

.chart-bar:nth-child(2) { height: 65%; }
.chart-bar:nth-child(3) { height: 45%; }
.chart-bar:nth-child(4) { height: 80%; }
.chart-bar:nth-child(5) { height: 55%; }
.chart-bar:nth-child(6) { height: 35%; }

.chart-caption {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--steel-light);
  margin-top: var(--space-xs);
}

/* Testimonials */
.testimonial {
  border-left: 3px solid var(--gold-dark);
  padding-left: var(--space-md);
  margin-bottom: var(--space-lg);
}

.testimonial blockquote {
  margin: 0 0 var(--space-sm);
  font-style: italic;
  color: var(--ivory-dim);
}

.testimonial cite {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-style: normal;
  color: var(--steel-light);
}

.testimonial cite strong { color: var(--gold); display: block; }

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

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
  color: var(--ivory-dim);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--charcoal);
  border: 1px solid var(--border);
  color: var(--ivory);
  font-family: var(--font-serif);
  font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--gold-dark);
  outline-offset: 1px;
}

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

.form-error {
  color: #e07070;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-top: 0.25rem;
  display: none;
}

.form-group.is-invalid .form-error { display: block; }

.form-group.is-invalid input,
.form-group.is-invalid select,
.form-group.is-invalid textarea {
  border-color: #e07070;
}

.form-status {
  padding: var(--space-sm);
  margin-top: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: none;
}

.form-status.is-success {
  display: block;
  background: rgba(74, 107, 74, 0.25);
  border: 1px solid var(--oxidized);
  color: var(--ivory);
}

.form-status.is-error {
  display: block;
  background: rgba(224, 112, 112, 0.15);
  border: 1px solid #e07070;
  color: #f0b0b0;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--walnut);
  border-top: 1px solid var(--border);
  padding: var(--space-md);
  z-index: 200;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.4);
}

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

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

.cookie-inner p {
  margin: 0;
  flex: 1;
  min-width: 240px;
  font-size: 0.9rem;
  color: var(--ivory-dim);
}

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

.btn-reject {
  border-color: var(--steel);
  color: var(--ivory-dim);
}

/* Legal pages */
.legal-content {
  max-width: 52rem;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.legal-content h2 {
  margin-top: var(--space-lg);
  font-size: 1.1rem;
}

.legal-content h2:first-child { margin-top: 0; }

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

.cookies-table th,
.cookies-table td {
  border: 1px solid var(--border);
  padding: 0.65rem;
  text-align: left;
}

.cookies-table th {
  background: var(--walnut);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
}

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

.error-code {
  font-family: var(--font-mono);
  font-size: 4rem;
  color: var(--gold);
  font-weight: 600;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

/* Methodology timeline */
.timeline {
  position: relative;
  padding-left: var(--space-lg);
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-lg);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-lg) + 2px);
  top: 6px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: var(--charcoal);
}

.timeline-item h3 {
  margin: 0 0 0.35rem;
  color: var(--gold-light);
}

/* Team */
.team-card {
  text-align: center;
}

.team-card img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-sm);
  border: 2px solid var(--border);
  filter: sepia(0.2);
}

.team-card h3 { margin: 0 0 0.25rem; font-size: 1rem; }

.team-card p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--steel-light);
  margin: 0;
}

/* Blog article */
.article-body {
  max-width: 42rem;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.article-body p { margin-bottom: var(--space-md); }

.article-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--steel-light);
  margin-bottom: var(--space-md);
}

.article-cover {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.article-cover img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.tag-list {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

.tag-list li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--border);
  color: var(--oxidized);
}

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

.pricing-table th,
.pricing-table td {
  border: 1px solid var(--border);
  padding: 0.85rem;
  text-align: left;
  vertical-align: top;
}

.pricing-table th {
  background: var(--walnut);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.pricing-note {
  font-size: 0.9rem;
  color: var(--steel-light);
  font-style: italic;
}

.case-study {
  background: var(--walnut);
  border: 1px solid var(--border);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
}

.case-study h3 { color: var(--gold-light); margin-top: 0; }