/* ============================================================
   BLUEPRINT LABS — Production Design System
   Operator-led AI consultancy · Austin, Texas
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS
   ============================================================ */
:root {
  /* Brand Colors */
  --navy-deep:          #001b44;
  --navy-mid:           #002f6c;
  --navy-light:         #224583;
  --tint:               #3c5d9c;
  --tint-light:         #aec6ff;

  /* Surface Scale */
  --surface-white:      #ffffff;
  --surface:            #f8f9ff;
  --surface-low:        #eff4ff;
  --surface-mid:        #e6eeff;
  --surface-high:       #dde9ff;
  --surface-highest:    #d5e3fd;

  /* Text Colors */
  --text-primary:       #0d1c2f;
  --text-secondary:     #434750;
  --text-muted:         #747781;

  /* Borders */
  --border-light:       rgba(196, 198, 210, 0.2);
  --border-mid:         rgba(196, 198, 210, 0.4);
  --border-solid:       #c4c6d2;

  /* Typography */
  --font-headline:      'Manrope', sans-serif;
  --font-body:          'Inter', sans-serif;

  /* Spacing */
  --max-width:          1280px;
  --nav-height:         72px;

  /* Radius */
  --radius-sm:          2px;
  --radius-md:          4px;
  --radius-lg:          8px;

  /* Shadow */
  --shadow-card:        0 1px 3px rgba(0, 27, 68, 0.06), 0 1px 2px rgba(0, 27, 68, 0.04);
  --shadow-elevated:    0 4px 12px rgba(0, 27, 68, 0.08), 0 2px 4px rgba(0, 27, 68, 0.04);
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--surface);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  color: var(--navy-deep);
  font-weight: 800;
  line-height: 1.15;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.25rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; font-weight: 700; }

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.75;
}

.label {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-deep);
}

.label--tint {
  color: var(--tint);
}

.label--muted {
  color: var(--text-muted);
}

/* ============================================================
   4. LAYOUT UTILITIES
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.section {
  padding: 6rem 0;
}

.section--tight {
  padding: 4rem 0;
}

.section--wide {
  padding: 8rem 0;
}

.section--navy {
  background-color: var(--navy-deep);
}

.section--white {
  background-color: var(--surface-white);
}

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

.section--low {
  background-color: var(--surface-low);
}

.section--mid {
  background-color: var(--surface-mid);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* Blueprint dot grid texture */
.blueprint-texture {
  position: relative;
  overflow: hidden;
}

.blueprint-texture::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, #c4c6d2 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}

.blueprint-texture > * {
  position: relative;
  z-index: 1;
}

/* ============================================================
   5. NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(248, 249, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  height: var(--nav-height);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}




.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-headline);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy-deep);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav__logo-icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
}

.nav__logo-text span {
  display: block;
  font-size: 0.6rem;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 1px;
}


.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.15s ease;
  letter-spacing: 0.01em;
}

.nav__link:hover,
.nav__link.active {
  color: var(--navy-deep);
}

.nav__cta {
  background-color: var(--navy-deep);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.025em;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  transition: opacity 0.15s ease;
}

.nav__cta:hover {
  opacity: 0.88;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  height: 2px;
  background-color: var(--navy-deep);
  border-radius: 2px;
  transition: all 0.25s ease;
}

.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background-color: var(--surface);
  border-bottom: 1px solid var(--border-mid);
  padding: 1.5rem 2rem;
  z-index: 99;
  flex-direction: column;
  gap: 1rem;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile .nav__link {
  font-size: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
}

.nav__mobile .nav__cta {
  margin-top: 0.5rem;
  text-align: center;
  padding: 0.875rem;
  display: block;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  font-size: 0.75rem;
  font-family: var(--font-body);
  flex-shrink: 0;
}

.lang-toggle__opt {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.25rem 0.375rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: color 0.15s;
  line-height: 1;
}

.lang-toggle__opt:hover {
  color: var(--navy-deep);
}

.lang-toggle__opt--active {
  color: var(--navy-deep);
  font-weight: 700;
  cursor: default;
}

.lang-toggle__sep {
  color: var(--border-solid);
  font-weight: 400;
  line-height: 1;
  padding: 0 0.1rem;
}

/* ============================================================
   6. HERO
   ============================================================ */
.hero {
  padding-top: calc(var(--nav-height) + 5rem);
  padding-bottom: 5rem;
}

.hero__kicker {
  margin-bottom: 1.5rem;
}

.hero__headline {
  margin-bottom: 1.75rem;
}

.hero__headline em {
  font-style: normal;
  color: var(--tint);
}

.hero__sub {
  font-size: 1.125rem;
  max-width: 36rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================================
   7. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: all 0.15s ease;
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background-color: var(--navy-deep);
  color: #fff;
  padding: 0.9rem 1.75rem;
  font-size: 0.9375rem;
}

.btn--primary:hover {
  opacity: 0.88;
}

.btn--secondary {
  background-color: var(--surface-high);
  color: var(--navy-deep);
  padding: 0.9rem 1.75rem;
  font-size: 0.9375rem;
}

.btn--secondary:hover {
  background-color: var(--surface-highest);
}

.btn--ghost {
  background-color: transparent;
  color: var(--navy-deep);
  padding: 0.9rem 1.75rem;
  font-size: 0.9375rem;
  border: 1.5px solid var(--border-solid);
}

.btn--ghost:hover {
  background-color: var(--surface-low);
}

.btn--inverse {
  background-color: var(--surface);
  color: var(--navy-deep);
  padding: 1.1rem 2.5rem;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.btn--inverse:hover {
  opacity: 0.92;
}

.btn--large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* ============================================================
   8. TRUST STRIP
   ============================================================ */
.trust-strip {
  background-color: var(--surface-low);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 2rem 0;
}

.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  align-items: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.trust-item__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--navy-deep);
}

.trust-item__text {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--navy-deep);
  letter-spacing: 0.02em;
}

/* ============================================================
   9. SECTION HEADERS
   ============================================================ */
.section-header {
  margin-bottom: 3.5rem;
}

.section-header--center {
  text-align: center;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3.5rem;
}

.section-header .label {
  margin-bottom: 0.75rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.0625rem;
}

/* ============================================================
   10. PROBLEM SECTION (Why AI Adoption Fails)
   ============================================================ */
.problem-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}

.problem-intro h2 {
  margin-bottom: 1.25rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.problem-card {
  background-color: var(--surface-low);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.problem-card h4 {
  margin-bottom: 0.625rem;
  color: var(--navy-deep);
}

.problem-card p {
  font-size: 0.875rem;
  line-height: 1.7;
}

/* ============================================================
   11. WORKFLOW PROOF CARDS (Bento Grid)
   ============================================================ */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.workflow-card {
  background-color: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.workflow-card:hover {
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px);
}

.workflow-card--span4 { grid-column: span 4; }
.workflow-card--span6 { grid-column: span 6; }

.workflow-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 1.25rem;
  color: var(--navy-deep);
}

.workflow-card__icon svg {
  width: 100%;
  height: 100%;
}

.workflow-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 1.25rem;
}

.workflow-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.8125rem;
}

.workflow-card__meta-row strong {
  display: block;
  color: var(--navy-deep);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.workflow-card__meta-row span {
  color: var(--text-secondary);
}

.workflow-card__security {
  border-top: 1px solid var(--border-light);
  margin-top: 1rem;
  padding-top: 1rem;
  font-size: 0.8125rem;
}

.workflow-card__security strong {
  color: var(--tint);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-bottom: 0.2rem;
}

.workflow-card__security span {
  color: var(--text-secondary);
}

/* ============================================================
   12. SECURITY SECTION
   ============================================================ */
.security-card {
  background-color: var(--surface-high);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.security-card__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-mid);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.security-card__dots {
  display: flex;
  gap: 6px;
  align-items: center;
}

.security-card__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.security-card__dot--red   { background-color: rgba(0, 27, 68, 0.18); }
.security-card__dot--yellow { background-color: rgba(0, 27, 68, 0.12); }
.security-card__dot--green  { background-color: rgba(0, 27, 68, 0.07); }

.security-card__label {
  font-family: monospace;
  font-size: 0.6875rem;
  color: var(--text-secondary);
  margin-left: 0.5rem;
}

.security-card__badge {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  background-color: var(--surface-mid);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
}

.security-card__badge-text {
  font-size: 0.625rem;
  font-weight: 800;
  color: var(--tint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.security-card__lines {
  margin-bottom: 1.5rem;
}

.security-card__line {
  height: 4px;
  background-color: rgba(0, 27, 68, 0.08);
  border-radius: 2px;
  margin-bottom: 0.75rem;
}

.security-card__line--short { width: 55%; }

.security-card__data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.security-data-item {
  background-color: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}

.security-data-item__label {
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(0, 27, 68, 0.45);
  margin-bottom: 0.25rem;
}

.security-data-item__value {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--navy-deep);
}

.security-ghost-icon {
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  opacity: 0.04;
  width: 120px;
  height: 120px;
  color: var(--navy-deep);
}

.security-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.security-step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.security-step__num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--navy-deep);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
}

.security-step h4 {
  margin-bottom: 0.375rem;
  color: var(--navy-deep);
}

.security-step p {
  font-size: 0.875rem;
}

/* ============================================================
   13. PROCESS STEPS (Operator's Process)
   ============================================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.process-card {
  background-color: var(--surface-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border-left: 3px solid var(--navy-deep);
  box-shadow: var(--shadow-card);
}

.process-card__stage {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.process-card h4 {
  font-size: 1rem;
  margin-bottom: 0.625rem;
}

.process-card p {
  font-size: 0.8125rem;
  line-height: 1.65;
}

/* ============================================================
   14. LOCAL PRESENCE
   ============================================================ */
.local-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}

.local-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background-color: var(--surface-mid);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
}

.local-item__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  color: var(--navy-deep);
}

.local-item h4 {
  font-size: 0.9375rem;
  margin-bottom: 0.2rem;
}

.local-item p {
  font-size: 0.8125rem;
}

.local-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 420px;
  background-color: var(--surface-high);
  position: relative;
}

.local-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(0.85);
  opacity: 0.9;
}

.local-map__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,27,68,0.08) 0%, rgba(0,27,68,0.02) 100%);
}

/* ============================================================
   15. FINAL CTA
   ============================================================ */
.cta-section {
  text-align: center;
}

.cta-section h2 {
  color: #fff;
  margin-bottom: 1.25rem;
}

.cta-section p {
  color: rgba(255,255,255,0.72);
  font-size: 1.125rem;
  max-width: 36rem;
  margin: 0 auto 2.5rem;
}

/* ============================================================
   16. FOOTER
   ============================================================ */
.footer {
  background-color: var(--surface-low);
  border-top: 1px solid var(--border-light);
  padding: 4rem 0 2.5rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer__brand p {
  font-size: 0.875rem;
  margin-top: 0.75rem;
  max-width: 22rem;
  line-height: 1.7;
}

.footer__brand-name {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy-deep);
}

.footer__col-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.15s ease;
}

.footer__link:hover {
  color: var(--navy-deep);
}

.footer__bottom {
  border-top: 1px solid var(--border-light);
  margin-top: 3rem;
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer__legal {
  display: flex;
  gap: 2rem;
}

.footer__legal a {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.footer__legal a:hover {
  color: var(--navy-deep);
}

/* ============================================================
   17. PAGE-SPECIFIC: SERVICES PAGE
   ============================================================ */
.stage-block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-light);
  align-items: start;
}

.stage-block:last-child {
  border-bottom: none;
}

.stage-block__num {
  font-family: var(--font-headline);
  font-size: 4rem;
  font-weight: 800;
  color: var(--surface-highest);
  line-height: 1;
}

.stage-block__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.stage-block h3 {
  font-size: 1.5rem;
  margin-bottom: 0.875rem;
}

.stage-block p {
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.stage-deliverables {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stage-deliverable {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.stage-deliverable::before {
  content: '';
  flex-shrink: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--tint);
  margin-top: 0.5rem;
}

/* Engagement types */
.engagement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.engagement-card {
  background-color: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
}

.engagement-card--featured {
  background-color: var(--navy-deep);
  border-color: transparent;
}

.engagement-card--featured h3,
.engagement-card--featured h4,
.engagement-card--featured p,
.engagement-card--featured .label {
  color: rgba(255,255,255,0.9);
}

.engagement-card--featured .engagement-card__price {
  color: #fff;
}

.engagement-card .label {
  margin-bottom: 1.25rem;
}

.engagement-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.625rem;
}

.engagement-card__desc {
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.engagement-card__features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.engagement-card__feature {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  gap: 0.625rem;
  align-items: flex-start;
}

.engagement-card--featured .engagement-card__feature {
  color: rgba(255,255,255,0.75);
}

.engagement-card__feature::before {
  content: '';
  flex-shrink: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--tint);
  margin-top: 0.5rem;
}

.engagement-card--featured .engagement-card__feature::before {
  background-color: var(--tint-light);
}

/* ============================================================
   18. PAGE-SPECIFIC: WORKFLOWS PAGE
   ============================================================ */
.workflow-category {
  margin-bottom: 5rem;
}

.workflow-category:last-child {
  margin-bottom: 0;
}

.workflow-category__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--surface-highest);
}

.workflow-category__icon {
  width: 44px;
  height: 44px;
  background-color: var(--surface-mid);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.workflow-category__icon svg {
  width: 22px;
  height: 22px;
  color: var(--navy-deep);
}

.workflow-category__header h2 {
  font-size: 1.375rem;
}

.workflow-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.workflow-detail-card {
  background-color: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}

.workflow-detail-card h4 {
  font-size: 0.9375rem;
  margin-bottom: 0.625rem;
}

.workflow-detail-card p {
  font-size: 0.8125rem;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.workflow-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.workflow-tag {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background-color: var(--surface-mid);
  color: var(--navy-mid);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
}

.workflow-tag--security {
  background-color: rgba(60, 93, 156, 0.1);
  color: var(--tint);
}

/* ============================================================
   19. PAGE-SPECIFIC: SECURITY PAGE
   ============================================================ */
.security-framework {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 5rem;
}

.security-framework-card {
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-light);
}

.security-framework-card--approved {
  background-color: var(--surface-white);
  border-color: var(--border-light);
}

.security-framework-card--restricted {
  background-color: var(--surface-low);
  border-color: var(--border-light);
}

.security-framework-card--excluded {
  background-color: var(--surface-mid);
  border-color: var(--border-mid);
}

.security-framework-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}

.security-framework-card--approved .security-framework-card__badge {
  background-color: var(--surface-mid);
  color: var(--navy-deep);
}

.security-framework-card--restricted .security-framework-card__badge {
  background-color: var(--surface-high);
  color: var(--navy-mid);
}

.security-framework-card--excluded .security-framework-card__badge {
  background-color: rgba(0, 27, 68, 0.1);
  color: var(--text-secondary);
}

.security-framework-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.security-framework-card p {
  font-size: 0.875rem;
}

.security-framework-card ul {
  list-style: disc;
  padding-left: 1.25rem;
  margin-top: 0.75rem;
}

.security-framework-card ul li {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}

.security-principles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.security-principle h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.625rem;
}

.security-principle p {
  font-size: 0.875rem;
  line-height: 1.75;
}

.security-principle__num {
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--tint);
  margin-bottom: 0.5rem;
}

/* Approved tools */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.tool-card {
  background-color: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.tool-card h4 {
  font-size: 0.9375rem;
  margin-bottom: 0.375rem;
}

.tool-card p {
  font-size: 0.75rem;
}

.tool-card__category {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

/* ============================================================
   20. PAGE-SPECIFIC: ABOUT / CONTACT PAGE
   ============================================================ */
.about-statement {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 48rem;
}

.principle-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 3rem;
}

.principle-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.principle-item__num {
  flex-shrink: 0;
  font-family: var(--font-headline);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--surface-highest);
  line-height: 1;
  width: 3.5rem;
}

.principle-item h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
}

.principle-item p {
  font-size: 0.875rem;
  line-height: 1.75;
}

/* Contact form */
.contact-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 5rem;
  align-items: start;
}

.contact-info p {
  font-size: 1rem;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
}

.contact-detail__label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.contact-detail__value {
  font-size: 0.9375rem;
  color: var(--navy-deep);
  font-weight: 600;
}

.form {
  background-color: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

.form h3 {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-group--full {
  grid-column: span 2;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-primary);
  background-color: var(--surface-low);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  width: 100%;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--tint);
  box-shadow: 0 0 0 3px rgba(60, 93, 156, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ============================================================
   21. PAGE HERO (for inner pages)
   ============================================================ */
.page-hero {
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 4rem;
  background-color: var(--surface-low);
  border-bottom: 1px solid var(--border-light);
}

.page-hero .label {
  margin-bottom: 1rem;
}

.page-hero h1 {
  margin-bottom: 1.25rem;
}

.page-hero p {
  font-size: 1.0625rem;
  max-width: 36rem;
  line-height: 1.8;
}

/* ============================================================
   22. INLINE CALLOUT / HIGHLIGHT
   ============================================================ */
.callout {
  background-color: var(--surface-mid);
  border-left: 3px solid var(--navy-deep);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 1.5rem 2rem;
}

.callout p {
  font-size: 1rem;
  font-weight: 500;
  color: var(--navy-deep);
  line-height: 1.7;
}

/* ============================================================
   23. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .nav__links {
    display: none;
  }

  .nav__cta {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .problem-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .workflow-card--span4 { grid-column: span 6; }
  .workflow-card--span6 { grid-column: span 12; }

  .process-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .process-grid .process-card:nth-child(4),
  .process-grid .process-card:nth-child(5) {
    grid-column: span 1;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .footer__inner > :first-child {
    grid-column: span 2;
  }

  .stage-block {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .stage-block__num {
    font-size: 2.5rem;
  }

  .engagement-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .security-framework {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .section {
    padding: 4rem 0;
  }

  .trust-strip__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .workflow-grid {
    display: flex;
    flex-direction: column;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .workflow-row {
    grid-template-columns: 1fr;
  }

  .security-principles {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-group--full {
    grid-column: span 1;
  }

  .footer__inner {
    grid-template-columns: 1fr;
  }

  .footer__inner > :first-child {
    grid-column: span 1;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .footer__legal {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .trust-strip__grid {
    grid-template-columns: 1fr;
  }
}