:root {
  --primary-50: #e6fbfd;
  --primary-100: #c2f5fa;
  --primary-300: #6be0ea;
  --primary-500: #00c4d4;
  --primary-700: #2e75b6;
  --primary-800: #255c8f;
  --neutral-0: #0d1219;
  --neutral-50: #111821;
  --neutral-100: #16202b;
  --neutral-200: #223244;
  --neutral-300: #334a61;
  --neutral-500: #7a94aa;
  --neutral-600: #9fb3c6;
  --neutral-700: #b6c8d8;
  --neutral-800: #d4e0ec;
  --neutral-900: #eef6ff;
  --accent-500: #e8a020;
  --accent-700: #b77b12;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 12px 24px rgba(16, 24, 40, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --font-sans: "DM Sans", Inter, "Segoe UI", Arial, sans-serif;
  --font-mono: "Source Code Pro", "JetBrains Mono", Consolas, monospace;
  --bg: var(--neutral-50);
  --surface: var(--neutral-0);
  --surface-soft: var(--neutral-100);
  --text: var(--neutral-900);
  --text-soft: var(--neutral-600);
  --border: rgba(17, 24, 39, 0.08);
}

html[data-theme="dark"] {
  --bg: #080c10;
  --surface: #0d1219;
  --surface-soft: #121920;
  --text: #d4e0ec;
  --text-soft: #9fb3c6;
  --border: rgba(122, 148, 170, 0.34);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.12), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 92%, #dbeafe 8%) 100%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

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

.modernize-shell {
  min-height: 100vh;
}

.m-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(18px);
}

.m-nav-inner,
.m-wrap {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.m-nav-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 72px;
}

.m-brand {
  margin-right: auto;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
}

.m-brand span {
  color: var(--primary-700);
}

.m-nav-list {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.m-nav-list a,
.m-mobile a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

.m-nav-list a:hover,
.m-nav-list a[aria-current="page"],
.m-mobile a:hover,
.m-mobile a[aria-current="page"] {
  color: var(--primary-700);
}

.m-mobile-toggle,
.m-theme {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font: inherit;
  cursor: pointer;
}

.m-mobile-toggle {
  display: none;
}

.m-mobile {
  display: none;
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto 12px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.m-mobile[data-open="true"] {
  display: grid;
  gap: 12px;
}

.m-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  padding: 14px 20px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.m-cta:hover {
  transform: translateY(-1px);
}

.m-cta-primary {
  background: var(--primary-700);
  color: #fff;
}

.m-cta-primary:hover {
  background: var(--primary-800);
}

.m-cta-secondary {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.m-cta-accent {
  background: var(--accent-500);
  color: var(--neutral-900);
}

.m-cta-dominant {
  background: linear-gradient(135deg, var(--accent-500), #fb923c);
  color: var(--neutral-900);
  box-shadow: 0 16px 30px rgba(249, 115, 22, 0.22);
  padding: 16px 24px;
  min-width: 156px;
  font-size: 1rem;
}

.m-cta-dominant:hover {
  background: linear-gradient(135deg, var(--accent-700), var(--accent-500));
  color: #fff;
}

.m-section {
  padding: 40px 0 56px;
}

.m-stage {
  position: relative;
}

.m-stage::before {
  content: "";
  display: block;
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.m-stage-metrics .m-wrap,
.m-stage-review .m-wrap,
.m-stage-flow .m-wrap,
.m-stage-topology .m-wrap,
.m-stage-logic .m-wrap,
.m-stage-outputs .m-wrap,
.m-stage-proof .m-wrap,
.m-stage-next .m-wrap {
  position: relative;
}

.m-stage-topology .m-card,
.m-stage-topology .m-evidence-note {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 82%, var(--primary-50) 18%), var(--surface));
}

.m-stage-logic .m-callout:first-child {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 84%, #dbeafe 16%), var(--surface));
}

.m-stage-outputs .m-card,
.m-stage-outputs .m-shot-frame {
  box-shadow: var(--shadow-lg);
}

.m-stage-proof .m-card,
.m-stage-next .m-card {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 92%, var(--surface-soft) 8%), var(--surface));
}

.m-stage-impact .m-wrap,
.m-stage-ops .m-wrap {
  position: relative;
}

.m-hero {
  padding: 34px 0 28px;
}

.m-hero-grid,
.m-project-grid,
.m-demo-grid {
  display: grid;
  gap: 24px;
}

.m-hero-grid {
  grid-template-columns: 7fr 5fr;
  align-items: center;
}

.m-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--primary-50);
  color: var(--primary-700);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.m-title {
  margin: 12px 0 10px;
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.m-copy,
.m-meta,
.m-card p,
.m-stat-copy {
  color: var(--text-soft);
}

.m-outcome {
  max-width: 62ch;
  font-size: 1.06rem;
  color: var(--text-soft);
}

.m-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
}

.m-hero-signals {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.m-hero-signal {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 82%, var(--primary-50) 18%);
  border: 1px solid color-mix(in srgb, var(--primary-700) 18%, var(--border));
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
}

.m-card,
.m-panel,
.m-stat,
.m-proof-strip {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.m-panel {
  overflow: hidden;
  border-color: color-mix(in srgb, var(--primary-700) 18%, var(--border));
  box-shadow: 0 26px 56px rgba(15, 23, 42, 0.14);
}

.m-panel-head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--text-soft);
  text-transform: uppercase;
}

.m-hero .m-panel-head {
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--primary-50) 78%, var(--surface) 22%), var(--surface));
}

.m-panel-body {
  padding: 18px;
}

.m-panel-body > img {
  width: 100%;
  height: auto;
}

.m-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.m-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.m-card {
  padding: 22px;
}

.m-card-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-700);
}

.m-card h3,
.m-card h2,
.m-section h2 {
  margin: 10px 0 10px;
  font-size: 1.5rem;
  line-height: 1.2;
}

.m-card-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--primary-700);
  font-weight: 600;
  text-decoration: none;
}

.m-card-link:hover {
  color: var(--primary-800);
}

.m-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.m-chip {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--surface-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-soft);
}

.m-proof-strip {
  padding: 16px 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

.m-proof-strip strong {
  color: var(--text);
}

.m-proof-inline {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.m-proof-inline strong {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
}

.m-preview-link {
  color: var(--primary-700);
  text-decoration: none;
  font-weight: 600;
}

.m-preview-link:hover {
  color: var(--primary-800);
  text-decoration: underline;
}

.m-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.m-stat {
  padding: 18px;
}

.m-stat-value {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--primary-700);
}

.m-stat-label {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.m-stat-copy {
  margin-top: 8px;
  font-size: 0.95rem;
}

.m-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.m-kpi {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 94%, var(--primary-50) 6%), var(--surface));
  box-shadow: var(--shadow-sm);
}

.m-kpi-value {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2rem);
  color: var(--text);
}

.m-kpi-label {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-700);
}

.m-kpi-copy {
  margin-top: 8px;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-soft);
}

.m-code {
  margin: 0;
  overflow-x: auto;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--neutral-900);
  color: #f8fafc;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.65;
}

.m-copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font: inherit;
  cursor: pointer;
}

.m-copy-btn:hover {
  border-color: var(--primary-700);
  color: var(--primary-700);
}

.m-terminal {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--neutral-900);
  box-shadow: var(--shadow-md);
}

.m-terminal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: #0b1220;
}

.m-terminal-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #cbd5e1;
}

.m-terminal .m-copy-btn {
  border-color: rgba(255, 255, 255, 0.12);
  background: transparent;
  color: #f8fafc;
}

.m-terminal .m-copy-btn:hover {
  border-color: var(--primary-300);
  color: var(--primary-300);
}

.m-inline-code {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--surface-soft);
  font-family: var(--font-mono);
  font-size: 0.86em;
  color: var(--text);
}

.m-list,
.m-checklist {
  margin: 0;
  padding-left: 20px;
  color: var(--text-soft);
}

.m-list li,
.m-checklist li {
  margin: 10px 0;
}

.m-note {
  margin-top: 14px;
  padding: 14px 16px;
  border-left: 4px solid var(--accent-500);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: color-mix(in srgb, var(--accent-500) 10%, var(--surface));
  color: var(--text);
}

.m-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.m-gallery figure {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.m-gallery figcaption {
  padding: 12px 14px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.m-gallery img,
.m-shot-frame img,
.m-diagram-frame img {
  width: 100%;
  height: auto;
}

.m-gallery-label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-700);
}

.m-step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.m-step {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.m-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--primary-50);
  color: var(--primary-700);
  font-family: var(--font-mono);
  font-weight: 700;
}

.m-step h3 {
  margin: 14px 0 8px;
  font-size: 1.1rem;
}

.m-footer {
  padding: 34px 0 60px;
}

.m-footer-box {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  color: var(--text-soft);
}

.m-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-700);
}

.m-subtitle {
  max-width: 64ch;
  margin: 0;
  color: var(--text-soft);
}

.m-flow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.m-flow-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.m-flow-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--primary-50);
  color: var(--primary-700);
  font-family: var(--font-mono);
  font-weight: 700;
}

.m-flow-card h3 {
  margin: 14px 0 8px;
  font-size: 1.1rem;
}

.m-rail-layout {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(300px, 4fr);
  gap: 20px;
  align-items: start;
}

.m-rail {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 16px;
}

.m-rail-section {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.m-rail-section h2,
.m-rail-section h3 {
  margin: 10px 0 10px;
  font-size: 1.1rem;
  line-height: 1.25;
}

.m-link-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.m-link-list a {
  text-decoration: none;
}

.m-link-item {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 88%, var(--surface-soft) 12%);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.m-link-item:hover {
  border-color: color-mix(in srgb, var(--primary-700) 38%, var(--border));
  transform: translateY(-1px);
}

.m-link-item strong {
  display: block;
  color: var(--text);
}

.m-link-item span {
  display: block;
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.m-diagram-frame,
.m-shot-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.m-diagram-frame {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-soft) 90%, transparent), var(--surface));
}

.m-frame-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-soft) 78%, var(--surface) 22%);
}

.m-frame-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.m-frame-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--primary-50);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary-700);
}

.m-frame-body {
  padding: 16px;
}

.m-frame-caption {
  margin-top: 12px;
  color: var(--text-soft);
  font-size: 0.94rem;
}

.m-hero .m-panel-body {
  padding: 0;
}

.m-hero-visual {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top center;
}

.m-split-callout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.m-evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.m-depth-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 18px;
  align-items: start;
}

.m-impact-band {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 22px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(20, 184, 166, 0.18), transparent 30%),
    linear-gradient(135deg, #0b1220 0%, #111827 58%, #102235 100%);
  box-shadow: var(--shadow-lg);
  color: #f8fafc;
}

.m-impact-band .m-frame-body {
  padding: 18px;
}

.m-card-kicker-invert {
  color: var(--primary-300);
}

.m-ops-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.m-ops-header h2 {
  margin: 8px 0 6px;
}

.m-ops-status-pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary-50) 80%, var(--surface) 20%), var(--surface));
  border: 1px solid color-mix(in srgb, var(--primary-700) 22%, var(--border));
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--primary-700);
}

.m-impact-band h2,
.m-impact-band p {
  color: #f8fafc;
}

.m-impact-band .m-copy,
.m-impact-band .m-frame-caption,
.m-impact-point span {
  color: #cbd5e1;
}

.m-impact-points {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.m-impact-point {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.48);
}

.m-impact-point strong,
.m-impact-point span {
  display: block;
}

.m-impact-point span {
  margin-top: 4px;
  font-size: 0.94rem;
}

.m-impact-band .m-terminal {
  border-color: rgba(255, 255, 255, 0.08);
  background: #08111f;
}

.m-frame-caption-invert {
  color: #cbd5e1;
}

.m-ops-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.m-ops-card {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 72%, var(--primary-50) 28%), var(--surface));
  box-shadow: var(--shadow-md);
}

.m-ops-card:first-child {
  grid-column: span 2;
}

.m-ops-card:first-child .m-ops-value {
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
}

.m-ops-value {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  color: var(--text);
}

.m-ops-value[data-status="pass"] {
  color: var(--primary-700);
}

.m-ops-value[data-status="fail"] {
  color: var(--accent-700);
}

.m-ops-label {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-700);
}

.m-ops-copy {
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.m-callout {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.m-stage-workflow .m-stage-surface,
.m-stage-overview .m-flow-card,
.m-stage-topology .m-stage-surface,
.m-stage-outputs .m-output-card,
.m-stage-outputs .m-shot-frame {
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.12);
}

.m-stage-workflow .m-stage-surface:first-child {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 80%, #dbeafe 20%), var(--surface));
}

.m-callout h3 {
  margin: 10px 0 8px;
  font-size: 1.1rem;
}

.m-list-tight {
  margin: 0;
  padding-left: 18px;
  color: var(--text-soft);
}

.m-list-tight li {
  margin: 8px 0;
}

.m-divider-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.m-divider-title::after {
  content: "";
  flex: 1;
  min-width: 60px;
  height: 1px;
  background: var(--border);
}

.m-artifact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.m-artifact {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 90%, var(--surface-soft) 10%);
}

.m-artifact strong {
  display: block;
  color: var(--text);
}

.m-artifact span {
  display: block;
  margin-top: 6px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.m-output-card {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 88%, var(--neutral-100) 12%), var(--surface));
}

.m-output-stack {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.m-output-terminal {
  border-width: 1px;
}

.m-packet-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.m-packet-step {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.m-packet-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--primary-50);
  color: var(--primary-700);
  font-family: var(--font-mono);
  font-weight: 700;
}

.m-packet-step h3 {
  margin: 14px 0 8px;
  font-size: 1.1rem;
}

.m-packet-copy {
  margin: 0;
  font-size: 0.94rem;
  color: var(--text-soft);
}

.m-evidence-note {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface) 92%, var(--primary-50) 8%);
  box-shadow: var(--shadow-sm);
}

.m-evidence-note h3 {
  margin: 10px 0 8px;
  font-size: 1.08rem;
}

.m-evidence-note p {
  margin: 0;
  color: var(--text-soft);
}

.m-next-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.m-lab-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.m-lab-wall .m-shot-frame:first-child {
  grid-column: 1 / -1;
}

.m-lab-intro {
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 88%, var(--primary-50) 12%), var(--surface));
}

.lane-card {
  border-color: color-mix(in srgb, var(--primary-700) 16%, var(--bdr, rgba(17, 24, 39, 0.08)));
  background:
    radial-gradient(circle at top right, rgba(20, 184, 166, 0.08), transparent 32%),
    linear-gradient(145deg, rgba(7, 15, 28, 0.98), rgba(10, 19, 33, 0.94));
  box-shadow: 0 20px 38px rgba(15, 23, 42, 0.18);
}

.lane-card .card-ttl {
  color: #eef2ff;
}

.lane-card .card-sub,
.lane-card .lane-cta {
  color: #cbd5e1;
}

@media (max-width: 1024px) {
  .m-hero-grid,
  .m-project-grid,
  .m-demo-grid,
  .m-grid-3,
  .m-grid-2,
  .m-stat-grid,
  .m-kpi-grid,
  .m-gallery,
  .m-step-grid,
  .m-flow-grid,
  .m-impact-band,
  .m-ops-grid,
  .m-split-callout,
  .m-evidence-grid,
  .m-depth-grid,
  .m-artifact-grid,
  .m-packet-grid,
  .m-next-grid,
  .m-lab-wall {
    grid-template-columns: 1fr 1fr;
  }

  .m-rail-layout {
    grid-template-columns: 1fr;
  }

  .m-rail {
    position: static;
  }

  .m-hero-grid > :first-child,
  .m-project-grid > :first-child,
  .m-demo-grid > :first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .m-nav-list,
  .m-nav .m-cta {
    display: none;
  }

  .m-mobile-toggle {
    display: inline-flex;
  }

  .m-hero-grid,
  .m-project-grid,
  .m-demo-grid,
  .m-grid-3,
  .m-grid-2,
  .m-stat-grid,
  .m-kpi-grid,
  .m-gallery,
  .m-step-grid,
  .m-flow-grid,
  .m-impact-band,
  .m-ops-grid,
  .m-split-callout,
  .m-evidence-grid,
  .m-depth-grid,
  .m-artifact-grid,
  .m-packet-grid,
  .m-next-grid,
  .m-lab-wall {
    grid-template-columns: 1fr;
  }

  .m-ops-header {
    flex-direction: column;
    align-items: start;
  }

  .m-title {
    font-size: 2.15rem;
  }

  .m-actions {
    gap: 10px;
  }

  .m-cta {
    padding: 12px 14px;
    font-size: 0.95rem;
  }

  .m-cta-dominant {
    min-width: 0;
  }

  .m-proof-strip {
    padding: 14px 16px;
  }

  .m-proof-inline {
    gap: 8px;
  }

  .m-outcome,
  .m-copy,
  .m-kpi-copy,
  .m-frame-caption,
  .m-packet-copy {
    font-size: 0.98rem;
  }

  .m-section {
    padding: 28px 0 40px;
  }

  .m-card,
  .m-panel-body,
  .m-rail-section,
  .m-kpi,
  .m-stat,
  .m-step,
  .m-flow-card {
    padding: 18px;
  }

  .m-packet-step,
  .m-evidence-note {
    padding: 18px;
  }

  .m-ops-card:first-child,
  .m-lab-wall .m-shot-frame:first-child {
    grid-column: auto;
  }
}