/* Blue Motion Labs: shared design tokens and typography.
   Layered on top of Tailwind CDN utilities; keeps all pages visually
   consistent without a build step. */

/* Palette derived from the real Blue Motion Labs blog colors:
   BLUE_DARK #47607F · BLUE_MED #70859F · BLUE_LIGHT #899AAA
   SAND #C7CFC7 · RED #DB1C05 */
:root {
  --color-bg: #f5f6f3;
  --color-bg-alt: #e7e9e2;
  --color-ink: #232b36;
  --color-ink-soft: #5a6f87;
  --color-accent: #47607f;
  --color-accent-soft: #dce2e7;
  --color-border: #c7cfc7;
  --color-header-bg: #303f52;
  --color-cta-accent: #db1c05;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  --font-display: "Inter", var(--font-sans);
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --max-prose-width: 68ch;
}

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
}

.site-header {
  background: var(--color-header-bg);
}

.site-header .wordmark {
  color: #ffffff;
  font-family: "Archivo", var(--font-sans);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.005em;
}

.site-header .site-nav a {
  color: rgba(241, 243, 239, 0.85);
  text-decoration: none;
}

.site-header .site-nav a:hover,
.site-header .site-nav a:focus-visible {
  color: #f1f3ef;
}

a.accent-link {
  color: var(--color-accent);
  text-underline-offset: 3px;
}

a.accent-link:hover {
  color: var(--color-ink);
}

.prose {
  max-width: var(--max-prose-width);
  line-height: 1.75;
  font-size: 1.0625rem;
}

.prose h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.75rem;
  line-height: 1.3;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

.prose h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3125rem;
  color: var(--color-ink);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

@media (min-width: 640px) {
  .prose h1 {
    font-size: 2rem;
  }

  .prose h2 {
    font-size: 1.375rem;
  }
}

.prose p {
  margin-bottom: 1.1rem;
  color: var(--color-ink);
}

.prose ul,
.prose ol {
  margin-bottom: 1.1rem;
  padding-left: 1.4rem;
}

.prose li {
  margin-bottom: 0.5rem;
}

.lede {
  font-size: 1.1875rem;
  color: var(--color-ink-soft);
  line-height: 1.7;
}

.faq-block {
  background: var(--color-bg-alt);
  border-radius: 0.5rem;
}

.faq-question {
  font-family: var(--font-display);
  color: var(--color-ink);
  font-weight: 600;
}

.faq-answer {
  color: var(--color-ink-soft);
}

.soft-cta {
  border-left: 3px solid var(--color-cta-accent);
  color: var(--color-ink-soft);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.compare-table th,
.compare-table td {
  border: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  text-align: left;
  vertical-align: top;
}

.compare-table th {
  font-family: var(--font-display);
  background: var(--color-bg-alt);
  color: var(--color-ink);
}

.compare-table td {
  color: var(--color-ink-soft);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  color: var(--color-ink-soft);
}

.checklist-item {
  border-bottom: 1px solid var(--color-border);
}

.checklist-item:last-child {
  border-bottom: none;
}

/* ============ HOME: HERO ============ */

.avatar {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 9999px;
  background: var(--color-ink);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.display-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  line-height: 1.2;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

@media (min-width: 640px) {
  .display-name {
    font-size: 2.25rem;
    line-height: 1.15;
  }
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

/* ============ HOME: WORK WITH ME CARD ============ */

.work-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
}

.work-card h2 {
  font-family: var(--font-display);
}

.work-list li {
  padding-left: 1.1rem;
  position: relative;
}

.work-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 5px;
  height: 5px;
  border-radius: 9999px;
  background: var(--color-accent);
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-ink);
  border: 1px solid var(--color-ink);
  border-radius: 0.4rem;
  padding: 0.5rem 0.9rem;
  font-size: 0.875rem;
  text-decoration: none;
}

.cta-link:hover {
  background: var(--color-ink);
  color: var(--color-bg);
}

/* ============ HOME: PROJECTS (also used for Notes cards) ============ */

.project-card {
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  color: var(--color-ink);
}

.project-status {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  padding: 0.15rem 0.55rem;
  white-space: nowrap;
}

/* ============================================================
   HOME: LIFTOFF (brand identity, hero + alternating rows)
   Palette matches the Blue Motion Labs blog:
   BLUE_DARK #47607F · BLUE_MED #70859F · BLUE_LIGHT #899AAA
   SAND #C7CFC7 · RED #DB1C05
   ============================================================ */

.site-liftoff {
  --lo-blue-dark: #47607F;
  --lo-blue-deep: #303F52;
  --lo-blue-med: #70859F;
  --lo-blue-light: #899AAA;
  --lo-sand: #C7CFC7;
  --lo-red: #DB1C05;
  --lo-red-light: #EA4B32;
  --lo-paper: #F5F6F3;
  --lo-ink: #232B36;
  --lo-ink-soft: var(--lo-blue-med);
  --lo-condensed: "Arial Narrow", "Helvetica Neue Condensed", var(--font-sans);
  background: var(--lo-paper);
}

.lo-icon { width: 100%; height: 100%; display: block; }

.lo-nav {
  background: var(--lo-blue-deep);
  color: #F1F3EF;
}

.lo-nav a {
  color: #F1F3EF;
  opacity: 0.85;
}

.lo-nav a:hover,
.lo-nav a:focus-visible {
  opacity: 1;
}

.lo-nav .wordmark {
  color: #ffffff;
  font-family: "Archivo", var(--font-sans);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.005em;
}

/* ---- hero ---- */

.lo-hero {
  background: var(--lo-blue-deep);
  color: #F1F3EF;
}

.lo-hero .lo-eyebrow {
  color: var(--lo-sand);
}

.lo-hero h1 {
  font-family: var(--lo-condensed);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(1.9rem, 4.2vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.lo-hero .lo-sub {
  font-size: 1.0625rem;
  line-height: 1.6;
  opacity: 0.9;
  max-width: 48ch;
}

.lo-btn-primary {
  background: var(--lo-red);
  color: #FBEEEC;
  border: none;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.8rem 1.4rem;
  border-radius: 0.5rem;
  display: inline-block;
}

.lo-btn-secondary {
  background: transparent;
  color: #F1F3EF;
  border: 1px solid rgba(241, 243, 239, 0.35);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.8rem 1.4rem;
  border-radius: 0.5rem;
  display: inline-block;
}

.lo-hero-grid {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
}

.lo-hero-grid > * {
  min-width: 0;
}

@media (max-width: 760px) {
  .lo-hero-grid {
    grid-template-columns: 1fr;
  }
  .lo-hero-grid .lo-hero-icon-wrap {
    order: -1;
  }
}

.lo-hero-icon {
  --icon-a: #F1F3EF;
  --icon-b: var(--lo-red);
  --icon-c: var(--lo-blue-light);
  --icon-bg: var(--lo-blue-deep);
  width: 150px;
}

/* ---- lifecycle diagram (index2 draft, hero) ---- */

.lo-lifecycle {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 0.75rem;
}

.lo-lifecycle-stage {
  border: 1px solid rgba(241, 243, 239, 0.25);
  border-radius: 0.5rem;
  padding: 1.1rem 0.75rem;
  text-align: center;
}

.lo-lifecycle-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--lo-red-light);
  margin-bottom: 0.35rem;
}

.lo-lifecycle-name {
  font-family: var(--lo-condensed);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 1.0625rem;
  color: #F1F3EF;
}

.lo-lifecycle-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(241, 243, 239, 0.4);
  font-size: 1.375rem;
}

.lo-lifecycle-thread {
  margin-top: 1.25rem;
  padding-top: 0.65rem;
  border-top: 2px dashed var(--lo-red-light);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(241, 243, 239, 0.75);
}

@media (max-width: 640px) {
  .lo-lifecycle {
    grid-template-columns: 1fr;
  }
  .lo-lifecycle-arrow {
    transform: rotate(90deg);
    padding: 0.25rem 0;
  }
}

/* ---- alternating rows ---- */

.lo-row {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2.5rem;
  align-items: center;
}

.lo-row-reverse {
  grid-template-columns: 1.15fr 0.85fr;
}

.lo-row-reverse .lo-row-art { order: 2; }
.lo-row-reverse .lo-row-body { order: 1; }

@media (max-width: 760px) {
  .lo-row,
  .lo-row-reverse {
    grid-template-columns: 1fr;
  }
  .lo-row .lo-row-art,
  .lo-row-reverse .lo-row-art {
    order: -1;
  }
}

.lo-row-light {
  background: var(--lo-paper);
  color: var(--lo-ink);
}

.lo-row-dark {
  background: var(--lo-blue-dark);
  color: #F1F3EF;
}

.lo-row-art {
  display: flex;
  justify-content: center;
}

.lo-row-icon {
  width: 150px;
}

.lo-row-light .lo-row-icon {
  --icon-a: var(--lo-blue-dark);
  --icon-b: var(--lo-red);
  --icon-c: var(--lo-blue-light);
  --icon-bg: var(--lo-paper);
}

.lo-row-dark .lo-row-icon {
  --icon-a: #F1F3EF;
  --icon-b: var(--lo-red-light);
  --icon-c: var(--lo-blue-light);
  --icon-bg: var(--lo-blue-dark);
}

.lo-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lo-row-light .lo-eyebrow { color: var(--lo-red); }
.lo-row-dark .lo-eyebrow { color: var(--lo-sand); }

.lo-row-heading {
  font-family: var(--lo-condensed);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  line-height: 1.2;
  text-wrap: balance;
}

.lo-row-intro {
  font-size: 1rem;
  line-height: 1.6;
  max-width: 44ch;
}

.lo-row-light .lo-row-intro { color: var(--lo-ink-soft); }
.lo-row-dark .lo-row-intro { opacity: 0.88; }

.lo-item {
  display: block;
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.lo-row-dark .lo-item {
  border-bottom-color: rgba(241, 243, 239, 0.16);
}

.lo-item:last-child { border-bottom: none; padding-bottom: 0; }
.lo-item:first-child { padding-top: 0; }

.lo-item-title {
  font-weight: 700;
  font-size: 0.9375rem;
  margin: 0 0 0.25rem;
  display: block;
}

.lo-row-light .lo-item-title { color: var(--lo-ink); }
.lo-row-dark .lo-item-title { color: #F1F3EF; }

a.lo-item:hover .lo-item-title {
  text-decoration: underline;
}

.lo-item-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: middle;
  margin-left: 0.5rem;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  border: 1px solid var(--lo-red-light);
  color: var(--lo-red-light);
}

.lo-item-desc {
  font-size: 0.8438rem;
  line-height: 1.5;
  margin: 0;
}

.lo-row-light .lo-item-desc { color: var(--lo-ink-soft); }
.lo-row-dark .lo-item-desc { color: rgba(241, 243, 239, 0.72); }

/* ---- work with me (closing row) ---- */

.lo-work {
  background: var(--lo-blue-deep);
  color: #F1F3EF;
  grid-template-columns: 0.7fr 1.3fr;
}

.lo-work.lo-row-reverse {
  grid-template-columns: 1.3fr 0.7fr;
}

@media (max-width: 760px) {
  .lo-work { grid-template-columns: 1fr; }
}

.lo-work .lo-eyebrow { color: var(--lo-red-light); }

.lo-work .lo-row-icon {
  --icon-a: #F1F3EF;
  --icon-b: var(--lo-red-light);
  --icon-bg: var(--lo-blue-deep);
}

.lo-work-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.lo-work-list li {
  font-size: 0.9375rem;
  opacity: 0.9;
  padding-left: 1.25rem;
  position: relative;
}

.lo-work-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  background: var(--lo-red-light);
}

/* ---- argument section (home, "why this keeps happening") ---- */

.lo-waves-heading {
  font-family: var(--lo-condensed);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(1.5rem, 4vw, 2.125rem);
  line-height: 1.2;
  color: var(--lo-ink);
  text-wrap: balance;
}

.lo-waves-lede {
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--lo-blue-dark);
  max-width: 35em;
}

.lo-argument-credential {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--lo-ink);
  margin: 0;
}

.lo-stacks,
.lo-bases {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.625rem;
}

.lo-stacks {
  align-items: end;
}

.lo-stack {
  display: flex;
  flex-direction: column;
  gap: 0.3125rem;
  min-width: 0;
}

.lo-risk-new {
  min-width: 0;
  background: var(--lo-blue-dark);
  color: #ffffff;
  border-radius: 0.25rem;
  padding: 0.4375rem 0.5rem;
  text-align: center;
  font-size: 0.75rem;
  line-height: 1.35;
  min-height: 2.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-wrap: break-word;
}

.lo-risk-new.lo-risk-is-ai {
  background: var(--lo-red);
  font-weight: 600;
}

.lo-risk-inherited {
  background: var(--lo-sand);
  border-radius: 0.25rem;
  height: 0.9375rem;
}

.lo-base {
  border-top: 3px solid var(--lo-blue-light);
  padding-top: 0.625rem;
  text-align: center;
  margin-top: 0.5rem;
}

.lo-base.lo-base-is-ai {
  border-top-color: var(--lo-red);
}

.lo-wave-name {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0;
  color: var(--lo-ink);
}

.lo-base.lo-base-is-ai .lo-wave-name {
  color: var(--lo-red);
}

.lo-waves-legend {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--lo-blue-dark);
}

.lo-waves-swatch {
  display: inline-block;
  width: 0.6875rem;
  height: 0.6875rem;
  border-radius: 0.125rem;
  margin-right: 0.375rem;
  vertical-align: -1px;
}

.lo-waves-swatch-new { background: var(--lo-blue-dark); }
.lo-waves-swatch-inherited { background: var(--lo-sand); }

.lo-waves-closer {
  border-top: 1px solid var(--lo-sand);
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--lo-ink);
  max-width: 45em;
}

@media (max-width: 560px) {
  .lo-stacks,
  .lo-bases {
    gap: 0.375rem;
  }
  .lo-risk-new {
    font-size: 0.6875rem;
    padding: 0.375rem 0.25rem;
  }
  .lo-wave-name {
    font-size: 0.75rem;
  }
}

/* ---- medium-blue band (ai-deployment page) ---- */

.lo-row-med {
  background: var(--lo-blue-med);
  color: var(--lo-ink);
}

.lo-row-med .lo-eyebrow { color: var(--lo-blue-deep); }
.lo-row-med .lo-row-intro { color: var(--lo-ink); }
.lo-row-med .lo-item-title { color: var(--lo-ink); }
.lo-row-med .lo-item-desc { color: var(--lo-ink); }
.lo-row-med .lo-item { border-bottom-color: rgba(35, 43, 54, 0.2); }

.lo-row-med .lo-row-icon {
  --icon-a: var(--lo-ink);
  --icon-b: var(--lo-blue-dark);
  --icon-c: var(--lo-blue-light);
  --icon-bg: var(--lo-blue-med);
}

/* ---- numbered step flow (ai-deployment page) ---- */

.lo-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

@media (max-width: 760px) {
  .lo-steps {
    grid-template-columns: 1fr;
  }
}

.lo-step-num {
  font-family: var(--lo-condensed);
  font-weight: 800;
  font-size: 2.25rem;
  color: var(--lo-blue-deep);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.lo-step-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.4rem;
  color: var(--lo-ink);
}

.lo-step-body {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--lo-ink);
}

/* ---- quiet checklist, no-red bullets (ai-deployment page) ---- */

.lo-check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.lo-check-list li {
  font-size: 0.9375rem;
  line-height: 1.5;
  padding-left: 1.25rem;
  position: relative;
}

.lo-check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  background: var(--lo-blue-dark);
}

/* ---- grouped service offerings (work with me) ---- */

.lo-group {
  margin-bottom: 1.75rem;
}

.lo-group:last-of-type {
  margin-bottom: 1.75rem;
}

.lo-group-label {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lo-red-light);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(241, 243, 239, 0.2);
}

.lo-footer {
  background: var(--lo-blue-deep);
  color: rgba(241, 243, 239, 0.55);
  border-top: 1px solid rgba(241, 243, 239, 0.12);
}

.lo-footer a {
  color: rgba(241, 243, 239, 0.75);
  text-decoration: none;
}

.lo-footer a:hover,
.lo-footer a:focus-visible {
  color: #ffffff;
}

/* ---- expert witness section ---- */

.ew-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--lo-sand);
  border: 1px solid rgba(241, 243, 239, 0.35);
  border-radius: 9999px;
  padding: 0.2rem 0.65rem;
  white-space: nowrap;
}

.lo-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 760px) {
  .lo-card-grid {
    grid-template-columns: 1fr;
  }
}

.lo-card {
  display: block;
  border: 1px solid var(--lo-sand);
  border-radius: 0.75rem;
  padding: 1.75rem 1.5rem;
  background: #ffffff;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
}

.lo-card:hover,
.lo-card:focus-visible {
  border-color: var(--lo-blue-dark);
}

.lo-card-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
  --icon-a: var(--lo-blue-dark);
  --icon-b: var(--lo-red);
  --icon-c: var(--lo-blue-light);
}

.lo-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--lo-ink);
  margin-bottom: 0.5rem;
}

.lo-card-desc {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--lo-ink-soft);
  margin-bottom: 1rem;
}

.lo-card-cta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--lo-red);
}