/* Ridgepath Analytics — Brass Mechanism theme */
:root {
  --color-ivory: #F5F0E6;
  --color-charcoal: #1A1612;
  --color-walnut: #3D2E1F;
  --color-tobacco: #6B4C2A;
  --color-brass: #B8860B;
  --color-gold: #D4AF37;
  --color-antique-gold: #C9A227;
  --color-steel: #8B9099;
  --color-brushed-steel: #A8ADB5;
  --color-oxidized: #4A6B52;
  --color-oxidized-light: #6B8F72;
  --color-error: #8B3A3A;
  --color-success: #4A6B52;

  --font-serif: "Source Serif 4", Georgia, serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  --radius-sm: 2px;
  --radius-md: 4px;
  --shadow-brass: 0 2px 8px rgba(184, 134, 11, 0.15);
  --transition-gear: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::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(--color-charcoal);
  background: var(--color-ivory);
  background-image:
    linear-gradient(90deg, rgba(184, 134, 11, 0.03) 1px, transparent 1px),
    linear-gradient(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-tobacco);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.85rem); }
h3 { font-size: 1.15rem; }

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

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-charcoal);
  color: var(--color-ivory);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26, 22, 18, 0.97);
  border-bottom: 1px solid var(--color-brass);
}

.header-inner {
  max-width: 72rem;
  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-gold);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

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

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

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

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

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

.site-nav a {
  color: var(--color-brushed-steel);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
}

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

.nav-cta {
  border: 1px solid var(--color-brass) !important;
  padding: var(--space-xs) var(--space-md) !important;
  color: var(--color-gold) !important;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-brass);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: color var(--transition-gear), background var(--transition-gear), transform var(--transition-gear);
}

.btn::before {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0;
  transform: rotate(0deg) scale(0.5);
  transition: opacity var(--transition-gear), transform var(--transition-gear);
}

.btn:active::before {
  opacity: 0.4;
  transform: rotate(180deg) scale(1);
}

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

.btn-primary:hover {
  background: var(--color-gold);
  color: var(--color-charcoal);
  transform: translateY(-1px);
}

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

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

.btn-outline {
  background: transparent;
  color: var(--color-brass);
}

.btn-outline:hover {
  background: rgba(184, 134, 11, 0.1);
}

/* Layout sections */
.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-2xl) 0;
}

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

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-oxidized);
  margin: 0 0 var(--space-xs);
}

/* Hero variants */
.hero {
  position: relative;
  overflow: hidden;
}

.hero-compact {
  background: var(--color-charcoal);
  color: var(--color-ivory);
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.hero-compact h1 { color: var(--color-gold); }

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 520px;
}

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

.hero-split-content h1 { color: var(--color-gold); margin-top: 0; }

.hero-split-image {
  position: relative;
  min-height: 320px;
}

.hero-split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-split-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(184, 134, 11, 0.2), transparent 60%);
  pointer-events: none;
}

.hero-index {
  padding: var(--space-3xl) 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(184, 134, 11, 0.12), transparent 50%),
    var(--color-charcoal);
  color: var(--color-ivory);
}

.hero-index-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-index h1 {
  color: var(--color-gold);
  margin: var(--space-sm) 0 var(--space-lg);
}

.hero-index-lead {
  font-size: 1.15rem;
  color: var(--color-brushed-steel);
  max-width: 38ch;
}

.hero-dial {
  position: relative;
  aspect-ratio: 1;
  max-width: 340px;
  margin: 0 auto;
  border: 2px solid var(--color-brass);
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--color-walnut), var(--color-charcoal));
  box-shadow: inset 0 0 40px rgba(0,0,0,0.5), var(--shadow-brass);
}

.hero-dial-markings {
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(201, 162, 39, 0.4);
  border-radius: 50%;
}

.hero-dial-markings::before,
.hero-dial-markings::after {
  content: "";
  position: absolute;
  background: var(--color-antique-gold);
}

.hero-dial-markings::before {
  width: 2px;
  height: 35%;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
}

.hero-dial-markings::after {
  width: 35%;
  height: 2px;
  top: 50%;
  left: 10%;
  transform: translateY(-50%);
}

.hero-dial-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  background: var(--color-gold);
  border-radius: 50%;
  border: 2px solid var(--color-brass);
}

.hero-dial-label {
  position: absolute;
  bottom: 18%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--color-antique-gold);
  text-transform: uppercase;
}

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

.hero-stat-row {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(184, 134, 11, 0.3);
}

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

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

.hero-stat-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-steel);
}

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

.card {
  background: #fff;
  border: 1px solid rgba(184, 134, 11, 0.25);
  box-shadow: var(--shadow-brass);
  transition: transform 0.25s, box-shadow 0.25s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(184, 134, 11, 0.2);
}

.card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.card-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-oxidized);
  margin-bottom: var(--space-sm);
}

.card-title {
  margin: 0 0 var(--space-sm);
  font-size: 1.1rem;
}

.card-title a {
  color: var(--color-charcoal);
  text-decoration: none;
}

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

/* Chart display blocks */
.chart-panel {
  background: var(--color-charcoal);
  border: 1px solid var(--color-brass);
  padding: var(--space-lg);
  color: var(--color-ivory);
}

.chart-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-steel);
}

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

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--color-brass), var(--color-gold));
  min-width: 8px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  opacity: 0.85;
}

.chart-bar.muted {
  background: var(--color-oxidized);
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.testimonial {
  background: #fff;
  border-left: 3px solid var(--color-brass);
  padding: var(--space-lg);
}

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

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

/* Forms */
.form-section {
  max-width: 40rem;
}

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

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
  color: var(--color-tobacco);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  border: 1px solid rgba(107, 76, 42, 0.4);
  background: #fff;
  color: var(--color-charcoal);
}

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

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

.form-error {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-error);
  margin-top: var(--space-xs);
  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: var(--color-error);
}

.form-status {
  padding: var(--space-md);
  margin-top: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  display: none;
}

.form-status.is-success {
  display: block;
  background: rgba(74, 107, 82, 0.15);
  border: 1px solid var(--color-success);
  color: var(--color-oxidized);
}

.form-status.is-error {
  display: block;
  background: rgba(139, 58, 58, 0.1);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

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

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

/* Legal pages */
.legal-content {
  max-width: 48rem;
}

.legal-content h2 {
  margin-top: var(--space-xl);
  font-size: 1.2rem;
}

.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 rgba(107, 76, 42, 0.3);
  padding: var(--space-sm) var(--space-md);
  text-align: left;
}

.legal-content th {
  background: rgba(184, 134, 11, 0.08);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
}

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

.service-sidebar {
  background: rgba(184, 134, 11, 0.06);
  border: 1px solid rgba(184, 134, 11, 0.2);
  padding: var(--space-lg);
}

.service-sidebar dl {
  margin: 0;
}

.service-sidebar dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-oxidized);
  margin-top: var(--space-md);
}

.service-sidebar dt:first-child { margin-top: 0; }

.service-sidebar dd {
  margin: var(--space-xs) 0 0;
  font-weight: 600;
}

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

.pricing-table th,
.pricing-table td {
  border: 1px solid rgba(107, 76, 42, 0.25);
  padding: var(--space-md);
  text-align: left;
}

.pricing-table th {
  background: var(--color-charcoal);
  color: var(--color-gold);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pricing-note {
  font-size: 0.9rem;
  color: var(--color-tobacco);
  border-left: 2px solid var(--color-brass);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
}

/* Blog */
.post-list .card { margin-bottom: var(--space-lg); }

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

.prose img {
  margin: var(--space-lg) 0;
  border: 1px solid rgba(184, 134, 11, 0.3);
}

.prose h2 { margin-top: var(--space-xl); }

/* 404 */
.error-page {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
}

.error-code {
  font-family: var(--font-mono);
  font-size: 5rem;
  color: var(--color-brass);
  line-height: 1;
  margin: 0;
}

/* Footer */
.site-footer {
  background: var(--color-charcoal);
  color: var(--color-brushed-steel);
  padding: var(--space-2xl) 0 var(--space-lg);
  margin-top: var(--space-2xl);
  border-top: 2px solid var(--color-brass);
}

.footer-grid {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.footer-name {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-gold);
  margin: 0 0 var(--space-sm);
}

.footer-tagline {
  font-size: 0.9rem;
  margin: 0;
}

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

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

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

.site-footer a {
  color: var(--color-brushed-steel);
  text-decoration: none;
  font-size: 0.9rem;
}

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

.site-footer address {
  font-style: normal;
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-bottom {
  max-width: 72rem;
  margin: var(--space-xl) auto 0;
  padding: var(--space-lg) var(--space-lg) 0;
  border-top: 1px solid rgba(184, 134, 11, 0.2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-steel);
}

/* 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-lg);
  z-index: 200;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
}

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

.cookie-inner {
  max-width: 72rem;
  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(--color-ivory);
}

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

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

/* Sample charts page */
.sample-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.sample-item {
  border: 1px solid rgba(184, 134, 11, 0.3);
  background: #fff;
}

.sample-item figcaption {
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-tobacco);
}

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

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-charcoal);
    border-bottom: 1px solid var(--color-brass);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

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

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-md) var(--space-lg) var(--space-lg);
  }

  .hero-split,
  .hero-index-inner,
  .contact-grid,
  .service-detail-grid {
    grid-template-columns: 1fr;
  }

  .hero-split-image { min-height: 240px; }
}

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