:root {
  --color-brass: #b8860b;
  --color-brass-light: #c9a227;
  --color-brass-dark: #8b6914;
  --color-walnut: #3d2b1f;
  --color-walnut-light: #5c4033;
  --color-steel: #6b7280;
  --color-steel-light: #9ca3af;
  --color-oxidized: #4a6741;
  --color-charcoal: #1a1612;
  --color-ivory: #f5f0e6;
  --color-ivory-dark: #e8dfd0;
  --color-tobacco: #6b4423;
  --font-display: "Cormorant Garamond", Georgia, 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: 4px;
  --shadow-brass: 0 4px 20px rgba(184, 134, 11, 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: 18px;
}

body {
  margin: 0;
  font-family: var(--font-display);
  background: var(--color-charcoal);
  color: var(--color-ivory);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-brass-light);
  text-decoration: none;
  transition: color 0.2s;
}

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

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--color-brass);
  color: var(--color-charcoal);
  padding: var(--space-xs) var(--space-sm);
  z-index: 1000;
}

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

/* Header */
.site-header {
  background: linear-gradient(180deg, var(--color-walnut) 0%, var(--color-charcoal) 100%);
  border-bottom: 1px solid var(--color-brass-dark);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  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-ivory);
  text-decoration: none;
}

.logo-mark {
  font-size: 1.8rem;
  color: var(--color-brass);
  animation: slow-rotate 60s linear infinite;
}

@keyframes slow-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.logo-name {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.logo-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-brass-light);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

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

.nav-toggle-bar {
  width: 22px;
  height: 2px;
  background: var(--color-brass);
}

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

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ivory-dark);
}

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

.nav-cta {
  border: 1px solid var(--color-brass);
  padding: 0.4rem 0.8rem !important;
  color: var(--color-brass-light) !important;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-gear), box-shadow 0.3s;
}

.btn::before {
  content: "⚙";
  position: absolute;
  left: -20px;
  opacity: 0;
  transition: left var(--transition-gear), opacity 0.2s;
}

.btn:hover::before,
.btn:focus-visible::before {
  left: 8px;
  opacity: 0.6;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-brass-dark), var(--color-brass));
  color: var(--color-charcoal);
  border: 1px solid var(--color-brass-light);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-brass);
  color: var(--color-charcoal);
}

.btn-secondary {
  background: transparent;
  color: var(--color-ivory);
  border: 1px solid var(--color-steel);
}

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

.btn-gear-active {
  animation: gear-lock 0.5s ease;
}

@keyframes gear-lock {
  0% { transform: rotate(-5deg); }
  50% { transform: rotate(3deg); }
  100% { transform: rotate(0); }
}

/* Main layout */
main { flex: 1; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.section-alt {
  background: var(--color-walnut);
  border-top: 1px solid var(--color-brass-dark);
  border-bottom: 1px solid var(--color-brass-dark);
}

.section-heading {
  font-size: 2.2rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-ivory);
}

.section-heading::after {
  content: attr(data-index);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-brass);
  margin-left: var(--space-sm);
  vertical-align: super;
}

.section-lead {
  font-size: 1.15rem;
  color: var(--color-ivory-dark);
  max-width: 60ch;
  margin: 0 0 var(--space-lg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 70vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-xl) var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
}

.hero-content { z-index: 2; }

.hero-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-oxidized);
  border: 1px solid var(--color-oxidized);
  display: inline-block;
  padding: 0.3rem 0.6rem;
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 var(--space-md);
  font-weight: 700;
}

.hero-intro {
  font-size: 1.1rem;
  color: var(--color-ivory-dark);
  max-width: 48ch;
  margin-bottom: var(--space-lg);
}

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

.hero-visual {
  position: relative;
}

.hero-visual img,
.hero-visual .img-placeholder {
  border: 2px solid var(--color-brass-dark);
  box-shadow: var(--shadow-brass);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

.hero-dial {
  position: absolute;
  bottom: -12px;
  right: -12px;
  width: 80px;
  height: 80px;
  border: 2px solid var(--color-brass);
  border-radius: 50%;
  background: var(--color-walnut);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-brass-light);
}

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

.card {
  background: var(--color-walnut);
  border: 1px solid var(--color-brass-dark);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.card:hover {
  border-color: var(--color-brass);
  transform: translateY(-2px);
}

.card img,
.card .img-placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

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

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brass);
}

.card h3 {
  margin: var(--space-xs) 0;
  font-size: 1.3rem;
}

.card p {
  font-size: 0.95rem;
  color: var(--color-ivory-dark);
  margin: 0 0 var(--space-sm);
}

.card-link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Page hero */
.page-hero {
  padding: var(--space-xl) 0 var(--space-lg);
  background: linear-gradient(135deg, var(--color-walnut) 0%, var(--color-charcoal) 100%);
  border-bottom: 1px solid var(--color-brass-dark);
}

.page-hero h1 {
  font-size: 2.5rem;
  margin: 0 0 var(--space-sm);
}

.page-hero .breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-steel-light);
  margin-bottom: var(--space-sm);
}

/* Content prose */
.prose {
  max-width: 72ch;
}

.prose h2 {
  font-size: 1.6rem;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-brass-light);
}

.prose h3 {
  font-size: 1.2rem;
  margin: var(--space-md) 0 var(--space-xs);
}

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

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

.prose li { margin-bottom: 0.4rem; }

/* Pricing table */
.pricing-block {
  background: var(--color-walnut);
  border: 1px solid var(--color-brass-dark);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.pricing-block h3 {
  margin: 0 0 var(--space-xs);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.pricing-amount {
  font-family: var(--font-mono);
  color: var(--color-brass-light);
  font-size: 1.1rem;
}

.pricing-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-steel-light);
  margin-top: var(--space-md);
}

/* Reviews */
.review-card {
  background: var(--color-walnut);
  border-left: 3px solid var(--color-brass);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.review-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-steel-light);
  margin-top: var(--space-sm);
}

.review-stars {
  color: var(--color-brass);
  letter-spacing: 2px;
  font-size: 0.85rem;
}

.case-study {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  background: var(--color-charcoal);
  border: 1px solid var(--color-brass-dark);
}

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

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

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  color: var(--color-brass-light);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-brass);
}

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

.form-error {
  color: #c97070;
  font-size: 0.85rem;
  margin-top: 0.25rem;
  display: none;
}

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

.form-error-global {
  background: #5c2a2a;
  color: var(--color-ivory);
  padding: var(--space-md);
  margin-top: var(--space-md);
  display: none;
}

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

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

.contact-info h2 {
  font-size: 1.3rem;
  color: var(--color-brass-light);
}

.response-time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-steel-light);
  margin-top: var(--space-md);
  padding: var(--space-sm);
  border: 1px dashed var(--color-steel);
}

/* Process steps */
.process-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}

.process-step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-brass-dark);
}

.process-step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--color-brass);
  border: 1px solid var(--color-brass-dark);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Legal pages */
.legal-content {
  max-width: 80ch;
  padding: var(--space-xl) var(--space-md);
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.4rem;
  color: var(--color-brass-light);
  margin: var(--space-lg) 0 var(--space-sm);
}

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

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

.legal-content th {
  background: var(--color-walnut);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  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: 5rem;
  color: var(--color-brass);
  line-height: 1;
}

/* Footer */
.site-footer {
  background: var(--color-walnut);
  border-top: 2px solid var(--color-brass-dark);
  margin-top: auto;
}

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

.footer-brand {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 var(--space-xs);
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--color-ivory-dark);
  margin: 0;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-steel-light);
  margin-top: var(--space-sm);
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brass);
  margin: 0 0 var(--space-sm);
}

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

.footer-links li { margin-bottom: 0.4rem; }

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-ivory-dark);
}

.footer-bottom {
  border-top: 1px solid var(--color-brass-dark);
  padding: var(--space-sm) var(--space-md);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-steel-light);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-walnut);
  border-top: 2px solid var(--color-brass);
  padding: var(--space-md);
  z-index: 200;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.4);
}

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

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

.cookie-title {
  font-weight: 700;
  margin: 0;
  width: 100%;
}

.cookie-desc {
  flex: 1;
  margin: 0;
  font-size: 0.9rem;
  min-width: 250px;
}

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

/* Image placeholder */
.img-placeholder {
  background: linear-gradient(135deg, var(--color-walnut) 0%, var(--color-charcoal) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-steel);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  min-height: 200px;
}

/* Service detail */
.service-detail-hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.service-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.meta-chip {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--color-brass-dark);
  padding: 0.3rem 0.6rem;
  color: var(--color-brass-light);
}

/* Blog */
.blog-post-header img,
.blog-post-header .img-placeholder {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-brass-dark);
}

.blog-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-steel-light);
  margin-bottom: var(--space-md);
}

/* About team */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-xl);
  align-items: start;
}

.team-portrait img,
.team-portrait .img-placeholder {
  border: 2px solid var(--color-brass-dark);
  aspect-ratio: 3/4;
  object-fit: cover;
  width: 100%;
}

/* Responsive */
@media (max-width: 900px) {
  .hero,
  .contact-grid,
  .case-study,
  .service-detail-hero,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-walnut);
    border-bottom: 1px solid var(--color-brass-dark);
    display: none;
    padding: var(--space-md);
  }

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

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  html { font-size: 16px; }
  .hero { min-height: auto; padding: var(--space-lg) var(--space-md); }
  .section { padding: var(--space-lg) 0; }
}