:root {
  --bg: #0c0e14;
  --surface: #111420;
  --surface-2: #181c2a;
  --border: #1e2336;
  --text: #e8e2d6;
  --text-muted: #7a7d8a;
  --accent: #c9a84c;
  --accent-dim: rgba(201, 168, 76, 0.12);
  --good: #4caf74;
  --warn: #d4894c;
  --danger: #c95c5c;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* HERO */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 168, 76, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 168, 76, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  padding: 6px 14px;
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: 2px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 68px);
  font-weight: 600;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* GRID WINDOW */
.grid-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 0 1px rgba(201,168,76,0.05);
}

.window-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.window-dot.red { background: #c95c5c; }
.window-dot.yellow { background: #d4894c; }
.window-dot.green { background: #4caf74; }

.window-title {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 8px;
  font-family: var(--font-body);
}

.window-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.data-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 13px;
  align-items: center;
}

.data-row.header-row {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

.data-row span { color: var(--text); }
.data-row span.val { font-variant-numeric: tabular-nums; }
.data-row span.actual.good { color: var(--good); }
.data-row span.actual.danger { color: var(--danger); }

.badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge.warn { background: rgba(212, 137, 76, 0.15); color: var(--warn); }
.badge.danger { background: rgba(201, 92, 92, 0.15); color: var(--danger); }

.progress-section {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  margin-top: 8px;
}

.progress-label {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.progress-bar-wrap {
  flex: 1;
  height: 6px;
  background: var(--surface-2);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 3px;
}
.progress-bar-fill.optimal {
  width: 35%;
  background: linear-gradient(90deg, var(--good), #6fcf94);
}

.progress-val {
  font-size: 10px;
  font-weight: 600;
  color: var(--good);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.ai-query {
  margin-top: 12px;
  padding: 12px;
  background: var(--surface-2);
  border-radius: 6px;
  border-left: 2px solid var(--accent);
}

.query-prompt {
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'Courier New', monospace;
  display: block;
  margin-bottom: 8px;
}

.query-result {
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
}

.query-result strong { color: var(--accent); }

/* SECTION SHARED */
.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

/* SUBSTRATE */
.substrate {
  padding: 100px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.substrate-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.substrate-header { margin-bottom: 64px; }

.substrate-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.sub-card {
  padding: 40px 36px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  position: relative;
  transition: border-color 0.2s;
}

.sub-card:hover { border-color: rgba(201, 168, 76, 0.3); }

.sub-num {
  display: block;
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 300;
  color: rgba(201, 168, 76, 0.15);
  line-height: 1;
  margin-bottom: 24px;
}

.sub-card-body h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

.sub-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* CAPABILITIES */
.capabilities { padding: 100px 0; }

.cap-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.cap-item {
  padding: 36px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: border-color 0.2s;
}

.cap-item:hover { border-color: rgba(201, 168, 76, 0.2); }

.cap-icon {
  color: var(--accent);
  margin-bottom: 20px;
}

.cap-item h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.cap-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* INTERFACE */
.interface { padding: 100px 0; border-top: 1px solid var(--border); }

.int-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.int-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 24px;
}

.interface-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.site-matrix { padding: 24px; }

.matrix-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 12px 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.matrix-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 12px;
  border-radius: 4px;
  font-size: 14px;
}

.matrix-row span:first-child { color: var(--text); font-weight: 500; }

.matrix-bar-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.matrix-bar {
  height: 6px;
  background: linear-gradient(90deg, var(--accent), #dfc070);
  border-radius: 3px;
  flex: 1;
}

.matrix-bar.danger { background: var(--danger); }

.matrix-pct { font-size: 12px; color: var(--text-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.matrix-pct.danger { color: var(--danger); }

/* MANIFESTO */
.manifesto {
  padding: 100px 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.man-inner { max-width: 1200px; margin: 0 auto; padding: 0 48px; }

.man-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-bottom: 80px;
}

.man-stat {
  padding: 40px 36px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.man-num {
  display: block;
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.man-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

.man-quote {
  text-align: center;
  padding: 40px 0;
}

.man-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 400;
  font-style: italic;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 20px;
}

.man-attr {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* CLOSING */
.closing {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.closing-inner { max-width: 1200px; margin: 0 auto; padding: 0 48px; }

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-bottom: 80px;
}

.audience {
  padding: 36px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.audience h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.audience p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.closing-statement {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.closing-statement p {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* FOOTER */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand { display: flex; flex-direction: column; gap: 4px; }

.footer-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.footer-tagline {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--accent); }

/* ROI CALCULATOR */
.roi-section {
  padding: 100px 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.roi-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.roi-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.roi-intro {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 16px;
}

.roi-calc-wrap {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.roi-inputs {
  background: var(--bg);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.roi-field { }

.roi-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.roi-value-display {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0;
  text-transform: none;
}

.roi-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--surface-2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.roi-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 1px var(--accent);
  cursor: pointer;
  transition: transform 0.15s;
}

.roi-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.roi-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  cursor: pointer;
}

.roi-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
}

.roi-frequency-btns {
  display: flex;
  gap: 8px;
}

.freq-btn {
  flex: 1;
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.freq-btn:hover {
  border-color: rgba(201, 168, 76, 0.3);
  color: var(--text);
}

.freq-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.roi-outputs {
  background: var(--surface);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.roi-result-card {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.roi-result-card:last-of-type { border-bottom: none; }

.roi-result-card.primary {
  padding-top: 0;
}

.roi-result-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.roi-result-value {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  color: var(--text);
  line-height: 1;
  margin-bottom: 4px;
}

.roi-result-value.accent { color: var(--accent); }
.roi-result-value.warn { color: var(--good); }

.roi-result-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.roi-cta-block {
  margin-top: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.roi-cta-note {
  font-size: 14px;
  color: var(--text-muted);
}

.roi-cta-note strong { color: var(--text); }

.roi-demo-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.15s;
}

.roi-demo-link:hover { opacity: 0.75; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .int-inner { grid-template-columns: 1fr; }
  .substrate-cards { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr 1fr; }
  .man-stat-row { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero-inner, .substrate-inner, .cap-inner, .int-inner, .man-inner, .closing-inner, .footer-inner {
    padding: 0 24px;
  }
  .hero { padding: 60px 0 48px; }
  .substrate, .capabilities, .interface, .manifesto, .closing { padding: 64px 0; }
  .cap-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 32px; }
  .man-num { font-size: 52px; }
}