:root {
  --bg-canvas: #3b0d1a;
  --bg-surface: #521727;
  --bg-surface-hover: #641e31;
  --text-primary: #fff4df;
  --text-muted: #d6c3a5;
  --accent-primary: #e8d5a8;
  --accent-secondary: #c9ab70;
  --border-subtle: rgba(232, 213, 168, 0.25);
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 12px 32px -4px rgba(0, 0, 0, 0.45);
  --shadow-hard: 4px 4px 0 #1f050c;
  --radius: 4px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  line-height: 1.75;
  font-size: 17px;
  overflow-wrap: anywhere;
  hyphens: auto;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--text-primary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  object-fit: cover;
  filter: contrast(1.08) sepia(0.12);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.prose {
  max-width: 70ch;
}

.prose p, .prose ul, .prose ol {
  margin-bottom: 1.4rem;
}

.prose h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  line-height: 1.2;
  margin: 2.5rem 0 1rem;
  color: var(--accent-primary);
}

.prose h3 {
  font-size: 1.35rem;
  margin: 1.8rem 0 0.75rem;
  color: var(--text-primary);
}

/* Header */
.site-header {
  position: relative;
  background-color: var(--bg-canvas);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 0;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.brand-mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  background-color: var(--accent-primary);
  border-radius: 2px;
  box-shadow: 2px 2px 0 #1f050c;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  margin-left: 32px;
}

.nav-group {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
}

.nav-group a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}

.nav-group a:hover, .nav-group a[aria-current="page"] {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.menu-dots-btn {
  display: none;
  background: var(--bg-surface);
  color: var(--accent-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}

/* Bands & Grid Pattern */
.band {
  padding: 72px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.band-surface {
  background-color: var(--bg-surface);
}

.band-canvas {
  background-color: var(--bg-canvas);
}

.champagne-grid {
  background-image: 
    linear-gradient(to right, rgba(232, 213, 168, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(232, 213, 168, 0.07) 1px, transparent 1px);
  background-size: 36px 36px;
}

/* Hero */
.hero-band {
  padding: 96px 0 84px;
  border-bottom: 1px solid var(--border-subtle);
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.75rem);
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 28px;
  max-width: 18ch;
}

.hero-intro {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-muted);
  max-width: 64ch;
  margin-bottom: 36px;
}

/* Buttons */
.btn {
  display: inline-block;
  background-color: var(--accent-primary);
  color: #2b0711;
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  padding: 13px 24px;
  border-radius: var(--radius);
  border: 1px solid #1f050c;
  box-shadow: var(--shadow-hard);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  cursor: pointer;
}

.btn:hover {
  color: #1f050c;
  background-color: #f3e4be;
  transform: translate(4px, 4px);
  box-shadow: 0px 0px 0 #1f050c;
}

.btn-outline {
  background-color: var(--bg-surface);
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
}

.btn-outline:hover {
  background-color: var(--accent-primary);
  color: #1f050c;
}

/* Section Headings */
.section-header {
  margin-bottom: 40px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.section-sub {
  color: var(--text-muted);
  max-width: 65ch;
  font-size: 1.05rem;
}

/* Lead Story Spread */
.lead-spread {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: start;
}

.media-badge-wrap {
  position: relative;
  margin-bottom: 22px;
}

.media-badge-wrap img {
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--border-subtle);
}

.category-badge {
  position: absolute;
  bottom: -13px;
  left: 20px;
  background-color: var(--accent-primary);
  color: #2b0711;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 12px;
  border-radius: var(--radius);
  box-shadow: 2px 2px 0 #1f050c;
}

.story-title-lg {
  font-size: clamp(1.6rem, 2.8vw, 2.25rem);
  line-height: 1.18;
  margin-bottom: 16px;
}

/* Archive Cards Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 32px;
}

.archive-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.25s var(--ease-kinetic), box-shadow 0.25s var(--ease-kinetic);
}

.band-surface .archive-card {
  background-color: var(--bg-canvas);
}

.archive-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevation);
}

.archive-card img {
  aspect-ratio: 4 / 3;
  width: 100%;
}

.archive-card h3 {
  font-size: 1.4rem;
  line-height: 1.25;
  margin: 8px 0 12px;
}

.archive-card p {
  color: var(--text-muted);
  font-size: 0.96rem;
  margin-bottom: 20px;
}

/* Engineering Comparison Rows */
.eng-rows {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.eng-row {
  display: grid;
  grid-template-columns: 220px 1fr 1fr;
  gap: 24px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 24px;
  align-items: start;
}

.eng-spec-title {
  font-weight: 700;
  color: var(--accent-primary);
  font-size: 1.15rem;
}

.eng-spec-era {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Racing Chronology */
.chronology {
  border-left: 2px solid var(--accent-primary);
  padding-left: 28px;
  margin: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.chrono-item {
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 24px;
}

.band-surface .chrono-item {
  background-color: var(--bg-canvas);
}

.chrono-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 28px;
  width: 14px;
  height: 14px;
  background-color: var(--accent-primary);
  border-radius: var(--radius);
  border: 2px solid var(--bg-canvas);
}

.chrono-year {
  font-weight: 700;
  color: var(--accent-primary);
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.chrono-item h3 {
  font-size: 1.35rem;
  margin: 6px 0 10px;
}

/* Restoration Accordions */
.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 28px 0;
}

details.restoration-acc {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 18px 22px;
}

.band-surface details.restoration-acc {
  background-color: var(--bg-canvas);
}

details.restoration-acc summary {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

details.restoration-acc summary::after {
  content: "+";
  font-size: 1.4rem;
  line-height: 1;
}

details.restoration-acc[open] summary::after {
  content: "−";
}

details.restoration-acc .acc-body {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

/* Journey Strips */
.journey-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.journey-strip {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 20px;
  align-items: center;
}

.band-surface .journey-strip {
  background-color: var(--bg-canvas);
}

.journey-strip img {
  width: 100%;
  aspect-ratio: 16 / 10;
}

.journey-meta {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-primary);
  font-weight: 700;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-surface);
  text-align: left;
}

th, td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

th {
  background-color: rgba(0, 0, 0, 0.2);
  color: var(--accent-primary);
  font-weight: 700;
}

/* Forms */
.form-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 32px;
}

.form-row {
  margin-bottom: 20px;
}

.form-row label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--accent-primary);
}

.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
}

.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: 2px solid var(--accent-primary);
}

.tool-output {
  margin-top: 24px;
  padding: 20px;
  background-color: var(--bg-canvas);
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 16px;
}

/* Footer */
.site-footer {
  background-color: #280811;
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 48px;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-title {
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

/* Reveal Animation */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s var(--ease-kinetic), transform 0.6s var(--ease-kinetic);
}

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(18px);
}

.js-enabled .reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .lead-spread {
    grid-template-columns: 1fr;
  }
  .eng-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .journey-strip {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .menu-dots-btn {
    display: inline-block;
  }
  .nav-wrapper {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-left: 0;
    background-color: var(--bg-surface);
    border-bottom: 2px solid var(--accent-primary);
    padding: 20px 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    z-index: 50;
  }
  .nav-wrapper.is-open {
    display: flex;
  }
  .nav-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    width: 100%;
  }
  .band {
    padding: 52px 0;
  }
  .hero-band {
    padding: 64px 0;
  }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}