/* ==========================================================================
   OnRecord Landing Visual System
   Ground: #0B0A09 | Red: #C81E1E | Bone: #E8E0D4 | Oxblood: #5C1212 | Brass: #C4A35A
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;800&family=JetBrains+Mono:wght@400;500;600&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --bg-ground: #0B0A09;
  --bg-panel: #141210;
  --bg-oxblood: rgba(92, 18, 18, 0.2);
  --border-oxblood: #5C1212;
  --border-subtle: #24201C;
  
  --text-bone: #E8E0D4;
  --text-muted: #9E9486;
  --text-dim: #635C52;
  
  --signal-red: #C81E1E;
  --signal-red-hover: #E02828;
  --brass-accent: #C4A35A;
  --brass-dim: #8A723D;
  
  --font-serif: 'Cinzel', Georgia, serif;
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-ground);
  color: var(--text-bone);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Film Grain Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Typography Helpers */
.serif-brand {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brass-accent);
}

/* Header Navigation */
header.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 10, 9, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-bone);
}

.nav-brand h1 {
  font-size: 20px;
}

.nav-brand-logo {
  height: 22px;
  width: auto;
  display: block;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.nav-brand:hover .nav-brand-logo {
  opacity: 0.88;
  transform: scale(1.02);
}

.hero-logo-wrap {
  display: block;
  margin-bottom: 4px;
}

.hero-brand-logo {
  height: 62px;
  width: auto;
  max-width: 100%;
  display: block;
}

.nav-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  border-left: 1px solid var(--border-subtle);
  padding-left: 12px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--brass-accent);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--signal-red);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: 2px;
  border: 1px solid var(--signal-red);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background-color: var(--signal-red-hover);
  border-color: var(--brass-accent);
  box-shadow: 0 0 16px rgba(200, 30, 30, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  color: var(--text-bone);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 12px 24px;
  border-radius: 2px;
  border: 1px solid var(--brass-dim);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

/* Hero Section */
.hero-section {
  min-height: 100vh;
  padding: 140px 32px 80px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  max-width: 1320px;
  margin: 0 auto;
  position: relative;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  background: var(--bg-oxblood);
  border: 1px solid var(--border-oxblood);
  width: fit-content;
}

.hero-title {
  font-size: 64px;
  line-height: 1.05;
  color: #FFFFFF;
}

.hero-line {
  font-size: 22px;
  font-weight: 500;
  color: var(--text-bone);
  line-height: 1.35;
  border-left: 2px solid var(--signal-red);
  padding-left: 16px;
}

.hero-sub {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.hero-interactive {
  position: relative;
  height: 480px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.8);
}

#hero-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}

.canvas-overlay-stamp {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: rgba(11, 10, 9, 0.85);
  border: 1px solid var(--border-oxblood);
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  pointer-events: none;
}

.canvas-overlay-stamp span.active-stamp {
  color: var(--signal-red);
  font-weight: 700;
}

/* Sections Common */
section.landing-section {
  padding: 100px 32px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border-subtle);
}

.section-head {
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 32px;
  color: #FFFFFF;
  margin-top: 8px;
  letter-spacing: -0.02em;
}

/* Section 2: Problem */
.problem-card {
  background: var(--bg-oxblood);
  border: 1px solid var(--border-oxblood);
  padding: 40px;
  border-radius: 4px;
  position: relative;
}

.problem-card h3 {
  font-size: 24px;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.problem-card p {
  font-size: 16px;
  color: var(--text-bone);
  line-height: 1.7;
  max-width: 900px;
}

.problem-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

.breakdown-box {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  padding: 20px;
}

.breakdown-box.flawed {
  border-left: 3px solid var(--signal-red);
}

.breakdown-box.onrecord {
  border-left: 3px solid var(--brass-accent);
}

.breakdown-box h4 {
  font-family: var(--font-mono);
  font-size: 13px;
  margin-bottom: 8px;
}

.breakdown-box p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Section 3: Desk Columns */
.desk-columns-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.3fr;
  gap: 20px;
}

.column-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
}

.column-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.02);
}

.column-card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.column-card-body {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.column-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.stamp-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 2px;
}

.stamp-act {
  background: rgba(35, 134, 54, 0.2);
  color: #3fb950;
  border: 1px solid #238636;
}

.stamp-skip {
  background: rgba(210, 153, 34, 0.2);
  color: #e3b341;
  border: 1px solid #d29922;
}

.stamp-nor {
  background: rgba(200, 30, 30, 0.2);
  color: var(--signal-red);
  border: 1px solid var(--signal-red);
}

/* Section 4: How It Works Flow */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.flow-step {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  padding: 24px 20px;
  position: relative;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brass-accent);
  margin-bottom: 12px;
}

.flow-step h4 {
  font-size: 16px;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.flow-step p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Section 5: Rules Strip */
.rules-strip-section {
  background: #000000;
  border-top: 1px solid var(--signal-red);
  border-bottom: 1px solid var(--signal-red);
  padding: 48px 32px;
}

.rules-strip-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.rule-item h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.rule-item p {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brass-accent);
}

/* Section 6: About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-text p {
  font-size: 15px;
  color: var(--text-bone);
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-box {
  background: var(--bg-panel);
  border: 1px solid var(--brass-dim);
  padding: 32px;
}

.about-box h4 {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brass-accent);
  margin-bottom: 12px;
}

.about-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-box li {
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.about-box li::before {
  content: "—";
  color: var(--signal-red);
}

/* Section 7: FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.faq-item {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  padding: 24px;
}

.faq-item h4 {
  font-size: 15px;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.faq-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Mid-Page Action */
.mid-cta-section {
  text-align: center;
  padding: 80px 32px;
  background: var(--bg-oxblood);
  border-top: 1px solid var(--border-oxblood);
}

.mid-cta-section h2 {
  font-size: 32px;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.mid-cta-section p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Footer */
footer.landing-footer {
  background: #070605;
  border-top: 1px solid var(--border-subtle);
  padding: 48px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-left .serif-brand {
  font-size: 18px;
}

.footer-brand-logo {
  height: 20px;
  width: auto;
  display: block;
  margin-bottom: 6px;
  transition: opacity 0.15s ease;
}

.footer-left a:hover .footer-brand-logo {
  opacity: 0.85;
}

.footer-left p {
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.footer-right {
  display: flex;
  gap: 24px;
  align-items: center;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--brass-accent);
}

/* Responsive */
@media (max-width: 960px) {
  .hero-section {
    grid-template-columns: 1fr;
    padding-top: 100px;
  }
  
  .hero-interactive {
    height: 360px;
  }
  
  .hero-title {
    font-size: 44px;
  }
  
  .desk-columns-grid,
  .flow-steps,
  .rules-strip-container,
  .about-grid,
  .faq-grid,
  .problem-breakdown {
    grid-template-columns: 1fr;
  }
}

/* Editorial system refresh: Meritor-inspired light mode, OnRecord dark mode. */
:root {
  --bg-ground: #f5efe4;
  --bg-panel: #efe6d6;
  --bg-panel-strong: #e9dfcc;
  --bg-ink-panel: #1b1713;
  --bg-ink-panel-2: #241f19;
  --text-bone: #241f1b;
  --text-muted: #6a6055;
  --text-dim: #a2988a;
  --border-subtle: #e3d9c7;
  --border-strong: #d6c9b2;
  --signal-red: #9c5a3c;
  --signal-red-hover: #7f452d;
  --brass-accent: #33507a;
  --brass-dim: #8797b1;
  --good: #3f8f5f;
  --bad: #c0492f;
  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'IBM Plex Sans', 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'JetBrains Mono', ui-monospace, monospace;
}

:root[data-theme="dark"] {
  --bg-ground: #0b0a09;
  --bg-panel: #141210;
  --bg-panel-strong: #1c1814;
  --bg-ink-panel: #070605;
  --bg-ink-panel-2: #100d0b;
  --text-bone: #e8e0d4;
  --text-muted: #9e9486;
  --text-dim: #635c52;
  --border-subtle: #24201c;
  --border-strong: #3a332a;
  --signal-red: #c81e1e;
  --signal-red-hover: #e02828;
  --brass-accent: #c4a35a;
  --brass-dim: #8a723d;
  --good: #55ff88;
  --bad: #ff5555;
}

body { background: var(--bg-ground); color: var(--text-bone); font-family: var(--font-sans); transition: background-color .25s ease, color .25s ease; }
body::before { opacity: .018; }
header.landing-nav { background: color-mix(in srgb, var(--bg-ground) 86%, transparent); border-bottom-color: var(--border-subtle); padding: 15px max(26px, calc((100% - 1240px) / 2)); }
.nav-brand { color: var(--text-bone); }
.nav-tagline, .nav-link { color: var(--text-muted); }
.nav-link:hover { color: var(--text-bone); }
.nav-actions { gap: 18px; }
.theme-toggle { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--border-strong); background: transparent; color: var(--text-muted); border-radius: 999px; padding: 8px 12px; font: 500 11px var(--font-mono); cursor: pointer; transition: .18s ease; }
.theme-toggle:hover { border-color: var(--brass-accent); color: var(--text-bone); transform: translateY(-1px); }
.theme-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.theme-dot-light { background: var(--brass-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brass-accent) 16%, transparent); }
.theme-dot-dark { background: var(--signal-red); box-shadow: 0 0 0 3px color-mix(in srgb, var(--signal-red) 16%, transparent); }
.btn-primary, .btn-secondary { border-radius: 999px; font-family: var(--font-sans); letter-spacing: .01em; text-transform: none; padding: 12px 21px; }
.btn-primary { background: var(--text-bone); color: var(--bg-ground); border-color: var(--text-bone); }
.btn-primary:hover { background: var(--brass-accent); color: #fff; border-color: var(--brass-accent); box-shadow: 0 12px 28px color-mix(in srgb, var(--brass-accent) 20%, transparent); }
.btn-secondary { color: var(--text-bone); border-color: var(--border-strong); }
.btn-secondary:hover { border-color: var(--text-bone); color: var(--text-bone); }
.hero-section { max-width: 1240px; min-height: 88vh; padding: 142px 26px 84px; gap: 72px; }
.hero-content { gap: 22px; }
.hero-badge { background: color-mix(in srgb, var(--signal-red) 10%, transparent); border: 1px solid color-mix(in srgb, var(--signal-red) 38%, var(--border-subtle)); border-radius: 999px; padding: 7px 13px; }
.mono-tag { color: var(--signal-red); letter-spacing: .16em; }
.hero-logo-wrap { margin: 4px 0 8px; }
.hero-brand-logo { height: 68px; }
.hero-line { color: var(--text-bone); border-left: 3px solid var(--brass-accent); font: 500 clamp(23px, 3vw, 32px)/1.2 var(--font-serif); padding-left: 18px; max-width: 16ch; }
.hero-sub { color: var(--text-muted); font-size: 17px; line-height: 1.65; max-width: 52ch; }
.hero-ctas { margin-top: 7px; }
.hero-interactive { height: 500px; border: 1px solid var(--border-subtle); border-radius: 24px; background: var(--bg-panel); box-shadow: 0 30px 70px -45px rgba(50, 35, 20, .45), inset 0 0 0 1px color-mix(in srgb, #fff 25%, transparent); }
.canvas-overlay-stamp { border-radius: 999px; background: color-mix(in srgb, var(--bg-ground) 88%, transparent); border-color: var(--border-strong); color: var(--text-muted); }
.canvas-overlay-stamp span.active-stamp { color: var(--good); }
section.landing-section { max-width: 1240px; padding: 96px 26px; border-top-color: var(--border-subtle); }
.section-head { margin-bottom: 40px; }
.section-head h2 { color: var(--text-bone); font: 500 clamp(32px, 4vw, 50px)/1.08 var(--font-serif); max-width: 17ch; }
.problem-card, .column-card, .about-box, .faq-item { background: var(--bg-panel); border-color: var(--border-subtle); border-radius: 18px; }
.problem-card { padding: 42px; background: color-mix(in srgb, var(--signal-red) 7%, var(--bg-panel)); border-color: color-mix(in srgb, var(--signal-red) 30%, var(--border-subtle)); }
.problem-card h3, .column-card-header h3 { color: var(--text-bone); font-family: var(--font-serif); font-weight: 500; }
.problem-card p, .column-card-body p, .about-text p, .faq-item p { color: var(--text-muted); }
.problem-breakdown { gap: 18px; }
.breakdown-box { background: var(--bg-ground); border-color: var(--border-subtle); border-radius: 13px; }
.breakdown-box h4 { color: var(--text-bone); }
.breakdown-box.flawed { border-left-color: var(--bad); }
.breakdown-box.onrecord { border-left-color: var(--good); }
.desk-columns-grid { gap: 16px; }
.column-card { overflow: hidden; }
.column-card-header { background: color-mix(in srgb, var(--bg-ground) 50%, transparent); border-bottom-color: var(--border-subtle); }
.column-card-body { padding: 25px 22px; }
.stamp-badge { border-radius: 999px; }
.flow-step { background: var(--bg-panel); border-color: var(--border-subtle); border-radius: 16px; }
.flow-step:hover { border-color: var(--brass-accent); transform: translateY(-3px); }
.step-num { color: var(--signal-red); }
.rules-strip-section { border-color: var(--border-subtle); background: var(--bg-panel); }
.rules-strip-container { max-width: 1240px; padding: 0 26px; }
.rule-item { border-color: var(--border-subtle); }
.rule-item h3 { color: var(--text-bone); font-family: var(--font-serif); font-weight: 500; }
.rule-item p { color: var(--text-muted); }
.mid-cta-section { background: var(--bg-panel); border-top-color: var(--border-subtle); border-bottom-color: var(--border-subtle); }
.mid-cta-section h2 { color: var(--text-bone); font-family: var(--font-serif); }
.landing-footer { background: var(--bg-ink-panel); border-top: 1px solid var(--border-strong); }
.footer-left p, .footer-link { color: var(--text-muted); }
@media (max-width: 900px) {
  header.landing-nav { padding: 13px 18px; }
  .nav-tagline, .nav-link { display: none; }
  .hero-section { grid-template-columns: 1fr; padding-top: 120px; }
  .hero-interactive { height: 390px; }
  .theme-toggle { font-size: 0; padding: 9px 11px; }
  .theme-toggle .theme-dot { width: 10px; height: 10px; }
}