/* ============================================================
   QT Website — theme.css
   Header, hero, every section component, footer, and responsive.
   Assumes base.css is already loaded.
   ============================================================ */

/* ---------- HEADER ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background-color var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}

.header--scrolled {
  background-color: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-lg);
}

.header__logo {
  flex-shrink: 0;
}

.header__logo-img {
  height: 60px;
  width: auto;
}

.header__nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.header__nav-list {
  display: flex;
  gap: var(--space-lg);
}

.header__nav-link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-gray-300);
  letter-spacing: 0.02em;
  padding: 0.25rem 0;
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-cyan);
  transition: width var(--duration) var(--ease);
}

.header__nav-link:hover,
.header__nav-link--active {
  color: var(--color-white);
}

.header__nav-link:hover::after,
.header__nav-link--active::after {
  width: 100%;
}

.header__cta {
  flex-shrink: 0;
  padding: 0.625rem 1.5rem;
  font-size: var(--fs-xs);
}

.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.header__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  transition: transform var(--duration) var(--ease),
              opacity var(--duration) var(--ease);
}

.header__hamburger--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__hamburger--open span:nth-child(2) {
  opacity: 0;
}

.header__hamburger--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  scroll-snap-align: start;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.hero--canvas-active .hero__bg-img {
  opacity: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 22, 40, 0.4) 0%,
    rgba(10, 22, 40, 0.65) 50%,
    rgba(10, 22, 40, 0.92) 100%
  );
}

.hero__watermark {
  position: absolute;
  right: -10%;
  top: 10%;
  width: 60vw;
  max-width: 800px;
  height: auto;
  z-index: 1;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: var(--space-3xl) 0;
}

.hero .section__label {
  font-size: var(--fs-2xl);
  letter-spacing: 0.3em;
}

.hero__title {
  font-size: var(--fs-4xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  max-width: 700px;
  line-height: 1.1;
}

.hero__subtitle {
  font-size: var(--fs-xl);
  color: var(--color-text);
  max-width: 620px;
  margin-bottom: var(--space-sm);
}

.hero__tagline {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  max-width: 580px;
  margin-bottom: var(--space-2xl);
}

.hero__ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ---------- ABOUT ---------- */
.about__intro {
  margin-bottom: var(--space-3xl);
}

.about__intro .section__title {
  margin-top: var(--space-sm);
}

.about__lead {
  font-size: var(--fs-xl);
  color: var(--color-white);
  margin-bottom: var(--space-md);
  max-width: 680px;
}

.about__intro > p:last-child {
  max-width: 680px;
  color: var(--color-text-muted);
}

.about__card--mission {
  margin-bottom: var(--space-3xl);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.about__card {
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}

.about__card-title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-md);
  color: var(--color-cyan);
}

.about__card p {
  margin-bottom: var(--space-sm);
}

/* ---------- PLATFORM ---------- */
.platform {
  position: relative;
  min-height: auto;
  padding: 0;
  scroll-snap-align: none;
  overflow: visible;
}

.snap-panel {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  scroll-snap-align: start;
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.platform__watermark {
  position: absolute;
  left: -15%;
  top: 5%;
  width: 50vw;
  max-width: 700px;
  height: auto;
  z-index: 0;
  pointer-events: none;
}

.platform .container {
  position: relative;
  z-index: 1;
}

.platform__statement {
  font-size: var(--fs-xl);
  color: var(--color-gray-300);
  margin-bottom: var(--space-3xl);
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.platform__statement strong {
  color: var(--color-white);
  font-size: var(--fs-2xl);
  display: block;
  margin-top: var(--space-xs);
}

.platform__pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.platform__card {
  padding: var(--space-2xl) var(--space-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.2);
  transition: border-color var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}

.platform__card:hover {
  border-color: var(--color-cyan);
  transform: translateY(-4px);
}

.platform__card-icon {
  width: 48px;
  height: 48px;
  color: var(--color-cyan);
  margin-bottom: var(--space-md);
}

.platform__card-icon svg {
  width: 100%;
  height: 100%;
}

.platform__card-num {
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  color: var(--color-cyan);
  opacity: 0.5;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: var(--space-xs);
}

.platform__card-title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.platform__card p {
  font-size: var(--fs-sm);
  color: var(--color-gray-300);
  line-height: 1.7;
}

/* Platform: Capability Detail Layer */
.platform__capabilities {
  margin-top: 0;
  padding-top: 0;
}

.platform__capabilities-title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-sm);
}

.platform__capabilities-subtitle {
  font-size: var(--fs-base);
  color: var(--color-gray-300);
  max-width: 680px;
  margin-bottom: var(--space-2xl);
}

.platform__capabilities .capabilities__item {
  background: rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.1);
}

/* ---------- ORIGIN ---------- */
.origin__header {
  margin-bottom: var(--space-3xl);
}

.origin__header .section__subtitle {
  margin-bottom: var(--space-md);
}

.origin__insight {
  font-size: var(--fs-lg);
  color: var(--color-text);
  max-width: 680px;
}

.origin__insight strong {
  color: var(--color-cyan);
}

.origin__doctrine {
  margin-bottom: var(--space-3xl);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.01);
}

.origin__doctrine-title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-sm);
}

.origin__doctrine-lead {
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
  max-width: 640px;
}

.origin__doctrine-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.origin__doctrine-item {
  padding: var(--space-md);
  border-left: 2px solid var(--color-cyan);
}

.origin__doctrine-num {
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  color: var(--color-cyan);
  opacity: 0.6;
  display: block;
  margin-bottom: var(--space-xs);
}

.origin__doctrine-item p {
  font-size: var(--fs-sm);
  color: var(--color-text);
}

.origin__veterans {
  padding: var(--space-2xl);
  border-left: 3px solid var(--color-sky);
  background: rgba(74, 158, 255, 0.03);
}

.origin__veterans-title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-sm);
}

.origin__veterans p {
  max-width: 680px;
}

.origin__veterans-accent strong {
  color: var(--color-sky);
}

/* ---------- CAPABILITIES ---------- */
.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.capabilities__item {
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}

.capabilities__item:hover {
  border-color: var(--color-cyan);
  transform: translateY(-4px);
}

.capabilities__icon {
  width: 48px;
  height: 48px;
  color: var(--color-cyan);
  margin-bottom: var(--space-md);
}

.capabilities__icon svg {
  width: 100%;
  height: 100%;
}

.capabilities__item h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.capabilities__item p {
  font-size: var(--fs-sm);
  color: var(--color-gray-300);
}

/* ---------- PARTNERS ---------- */
.partners__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.partners__card {
  padding: var(--space-2xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.15);
  text-align: center;
  transition: border-color var(--duration) var(--ease);
}

.partners__card:hover {
  border-color: var(--color-cyan);
}

.partners__card-num {
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  color: var(--color-cyan);
  opacity: 0.5;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: var(--space-xs);
}

.partners__card-icon {
  width: 48px;
  height: 48px;
  color: var(--color-cyan);
  margin: 0 auto var(--space-md);
}

.partners__card-icon svg {
  width: 100%;
  height: 100%;
}

.partners__card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.partners__card p {
  font-size: var(--fs-sm);
  color: var(--color-gray-300);
}

.partners__compliance {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-2xl);
}

.partners__compliance-inner {
  max-width: 640px;
}

.partners__compliance h3 {
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-sky);
  margin-bottom: var(--space-sm);
}

.partners__compliance p {
  color: var(--color-gray-300);
}

.partners__compliance strong {
  color: var(--color-white);
}

/* ---------- CONTACT ---------- */
.contact__wrapper {
  max-width: 800px;
  position: relative;
}

.contact__form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.contact__field {
  display: flex;
  flex-direction: column;
}

.contact__field--full {
  margin-bottom: var(--space-lg);
}

.contact__label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-gray-300);
  margin-bottom: var(--space-xs);
}

.contact__input {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  transition: border-color var(--duration) var(--ease);
  outline: none;
  -webkit-appearance: none;
}

.contact__input:focus {
  border-color: var(--color-cyan);
}

.contact__input.contact__input--error {
  border-color: #ef4444;
}

.contact__select {
  cursor: pointer;
}

.contact__select option {
  background: var(--color-dark);
  color: var(--color-text);
}

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

.contact__submit {
  border: 2px solid transparent;
}

.contact__success {
  display: none;
  text-align: center;
  padding: var(--space-3xl) var(--space-2xl);
}

.contact__success.contact__success--visible {
  display: block;
}

.contact__success-icon {
  width: 64px;
  height: 64px;
  color: var(--color-cyan);
  margin: 0 auto var(--space-lg);
}

.contact__success h3 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-sm);
}

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

.contact__inquiries {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.contact__inquiries h3 {
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-md);
}

.contact__inquiries-list {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.contact__inquiries-list span {
  font-weight: 500;
  color: var(--color-white);
}

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

/* ---------- FOOTER ---------- */
.footer {
  background-color: var(--color-base);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer__inner {
  display: block;
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.footer__brand {
  min-width: 240px;
}

.footer__logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-md);
}

.footer__address {
  font-size: var(--fs-sm);
  color: var(--color-gray-400);
  line-height: 1.8;
}

.footer__columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.footer__col h4 {
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-sm);
}

.footer__col ul li {
  padding: 0.25rem 0;
}

.footer__col ul li a {
  font-size: var(--fs-sm);
  color: var(--color-gray-400);
  transition: color var(--duration) var(--ease);
}

.footer__col ul li a:hover {
  color: var(--color-white);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: var(--fs-xs);
  color: var(--color-gray-500);
  margin: 0;
}

.footer__meta {
  display: flex;
  gap: var(--space-lg);
}

.footer__link {
  font-size: var(--fs-xs);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

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

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--color-cyan);
  border: none;
  cursor: pointer;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--duration) var(--ease),
              visibility var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
  color: var(--color-base);
}

.back-to-top:hover {
  background: var(--color-white);
}

/* ---------- RESPONSIVE: Tablet (768px) ---------- */
@media (max-width: 1024px) {
  :root {
    --space-section: 4rem;
    --fs-4xl: 2.25rem;
    --fs-3xl: 1.75rem;
  }

  .hero__title {
    font-size: var(--fs-3xl);
  }

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

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

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

@media (max-width: 768px) {
  :root {
    --space-section: 3rem;
    --fs-5xl: 2.25rem;
    --fs-4xl: 1.875rem;
    --fs-3xl: 1.5rem;
    --fs-2xl: 1.25rem;
    --header-h: 64px;
  }

  html {
    scroll-snap-type: none;
  }

  .section {
    min-height: auto;
  }

  .snap-panel {
    min-height: auto;
    scroll-snap-align: none;
  }

  /* Header mobile
     Note: the header drops backdrop-filter on mobile because that property
     creates a containing block for position:fixed descendants — which would
     clip the fullscreen nav panel to the 64px header height. */
  .header--scrolled {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background-color: var(--color-base);
  }

  .header__nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(100vh - var(--header-h));
    background: var(--color-base);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-2xl) var(--container-px);
    transform: translateX(100%);
    transition: transform var(--duration) var(--ease);
  }

  .header__nav--open {
    transform: translateX(0);
  }

  .header__nav-list {
    flex-direction: column;
    gap: var(--space-md);
  }

  .header__nav-link {
    font-size: var(--fs-xl);
    padding: 0.625rem 0;
  }

  .header__cta {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }

  /* Hero */
  .hero__title {
    font-size: var(--fs-3xl);
  }

  .hero__watermark {
    width: 90vw;
    right: -30%;
    top: 5%;
  }

  .hero__ctas {
    flex-direction: column;
  }

  .hero__ctas .btn {
    text-align: center;
  }

  .hero__content {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  /* About */
  .about__grid {
    grid-template-columns: 1fr;
  }

  /* Platform */
  .platform__pillars {
    grid-template-columns: 1fr;
  }

  /* Origin */
  .origin__doctrine-grid {
    grid-template-columns: 1fr;
  }

  /* Capabilities */
  .capabilities__grid {
    grid-template-columns: 1fr;
  }

  /* Partners */
  .partners__grid {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact__form-grid {
    grid-template-columns: 1fr;
  }

  .contact__inquiries-list {
    flex-direction: column;
    gap: var(--space-sm);
  }

  /* Footer */
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer__columns {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

  /* Card padding compression on mobile */
  .about__card,
  .capabilities__item,
  .partners__card,
  .hub__outcome,
  .group__entity,
  .platform__card {
    padding: var(--space-lg);
  }

  .doctrine__block {
    padding: var(--space-lg) 0;
  }

  /* Tighter vertical rhythm between stacked cards */
  .about__grid,
  .platform__pillars,
  .hub__outcomes,
  .group__entities,
  .partners__grid,
  .capabilities__grid {
    gap: var(--space-md);
  }

  /* Trim vertical breathing room */
  .section__subtitle {
    margin-bottom: var(--space-lg);
  }

  .snap-panel {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
  }
}

/* ---------- RESPONSIVE: Small phones (480px) ---------- */
@media (max-width: 480px) {
  :root {
    --container-px: 1.25rem;
    --fs-3xl: 1.25rem;
    --fs-2xl: 1.125rem;
  }

  /* Hero content: comfortable margins on small phones */
  .hero__content {
    padding: var(--space-2xl) var(--space-md);
  }

  .hero__subtitle,
  .hero__tagline {
    font-size: var(--fs-base);
  }

  /* Hero watermark: pull back so it doesn't overflow */
  .hero__watermark {
    width: 80vw;
    right: -15%;
  }

  /* Reduce card padding across sections */
  .platform__card {
    padding: 1.5rem 1rem;
  }

  .group__entity {
    padding: 1.5rem;
  }

  .hub__outcome {
    padding: 1.5rem;
  }

  .origin__knowledge,
  .group__loop,
  .group__statement {
    padding: 1.5rem;
  }

  /* Buttons: reduce horizontal padding */
  .btn--primary,
  .btn--outline {
    padding: 0.75rem 1.5rem;
  }

  .btn--lg {
    padding: 0.875rem 2rem;
  }
}

/* ---------- RESPONSIVE: Large (1440px+) ---------- */
@media (min-width: 1440px) {
  :root {
    --container-max: 1320px;
    --fs-5xl: 4rem;
    --fs-4xl: 3rem;
  }

  .hero__title {
    font-size: var(--fs-5xl);
  }
}

/* ---------- ORIGIN: Operational Knowledge Transfer ---------- */
.origin__knowledge {
  margin-top: 3rem;
  padding: 2rem;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}
.origin__knowledge-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-white);
}

/* ---------- GROUP ARCHITECTURE ---------- */
.group__entities {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.group__entity {
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.group__entity:hover {
  border-color: var(--color-cyan);
  transform: translateY(-4px);
}
.group__entity-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-cyan);
  margin-bottom: 0.75rem;
}
.group__statement {
  margin-top: 3rem;
  padding: 2rem;
  border-left: 3px solid var(--color-cyan);
  background: rgba(6, 201, 255, 0.04);
  font-size: 1.0625rem;
  line-height: 1.8;
}
.group__loop {
  margin-top: 2rem;
  padding: 2rem;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}
.group__loop-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-sky);
  margin-bottom: 1rem;
}

@media (max-width: 1024px) {
  .group__entities { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .group__entities { grid-template-columns: 1fr; }
}

/* ---------- EXECUTION HUB ---------- */
.hub__integrates {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.5rem;
}
.hub__integrate-item {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-cyan);
  color: var(--color-cyan);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hub__outcomes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.hub__outcome {
  padding: 2rem;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.hub__outcome:hover {
  border-color: var(--color-cyan);
  transform: translateY(-4px);
}
.hub__outcome-num {
  display: block;
  font-family: var(--font-accent);
  font-size: 0.75rem;
  color: var(--color-cyan);
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}
.hub__outcome-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}
.hub__facility {
  margin-top: 2.5rem;
  padding: 1.5rem 2rem;
  border-left: 3px solid var(--color-sky);
  background: rgba(74, 158, 255, 0.04);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  font-style: italic;
}

@media (max-width: 1024px) {
  .hub__outcomes { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hub__outcomes { grid-template-columns: 1fr; }
  .hub__integrates { flex-direction: column; }
}

/* ============================================================
   HERO CREDIBILITY CHIP
   ============================================================ */
.hero__credibility {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin: var(--space-md) 0 var(--space-lg);
  padding: 0.625rem 1.125rem 0.625rem 0.875rem;
  border: 1px solid rgba(6, 201, 255, 0.4);
  background: rgba(6, 201, 255, 0.06);
}

.hero__credibility-mark {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--color-cyan);
  animation: credPulse 2.8s ease-in-out infinite;
}

@keyframes credPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ============================================================
   PLATFORM — Positioning Note + Pillar Close
   ============================================================ */
.platform__positioning-note {
  border-left: 3px solid var(--color-sky);
  background: rgba(74, 158, 255, 0.06);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-2xl);
  max-width: 820px;
  font-size: var(--fs-base);
  color: var(--color-text);
  line-height: 1.55;
}

.platform__positioning-note strong {
  color: var(--color-white);
}

/* ============================================================
   ENGAGEMENT — Cards, Note
   ============================================================ */
.engagement__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
}

.engagement__card {
  background: rgba(255, 255, 255, 0.02);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  border: 1px solid transparent;
  transition: background var(--duration) var(--ease),
              border-color var(--duration) var(--ease);
}

.engagement__card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-cyan);
}

.engagement__card-num {
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

.engagement__card-title {
  font-family: var(--font-accent);
  font-size: var(--fs-3xl);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin: 0;
}

.engagement__card-tagline {
  font-family: var(--font-accent);
  font-size: var(--fs-lg);
  font-weight: 500;
  color: var(--color-white);
  line-height: 1.25;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  margin: 0;
}

.engagement__card-body {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.65;
  margin: 0;
}

.engagement__note {
  border-left: 3px solid var(--color-sky);
  background: rgba(74, 158, 255, 0.08);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-2xl);
  font-size: var(--fs-base);
  color: var(--color-white);
  line-height: 1.6;
}

.engagement__note strong {
  color: var(--color-sky);
  font-weight: 600;
}

/* ============================================================
   EXECUTION HUB — Pipeline (5-stage arrow row)
   ============================================================ */
.hub__pipeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.hub__pipeline-stage {
  position: relative;
  padding: var(--space-md) var(--space-sm);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}

.hub__pipeline-stage::after {
  content: "→";
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-cyan);
  font-size: var(--fs-lg);
  z-index: 2;
}

.hub__pipeline-stage:last-child::after {
  display: none;
}

.hub__pipeline-num {
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-cyan);
  margin-bottom: 0.5rem;
}

.hub__pipeline-title {
  font-family: var(--font-accent);
  font-size: var(--fs-base);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-white);
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

.hub__pipeline-desc {
  font-size: var(--fs-xs);
  color: var(--color-text);
  line-height: 1.5;
  margin: 0;
}

.hub__facility-eyebrow {
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-sky);
  font-style: normal;
  margin-bottom: 0.5rem;
  display: block;
}

/* ============================================================
   DOCTRINE — Blocks, Principles Grid, Highlight
   ============================================================ */
.doctrine__block {
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.doctrine__block:last-of-type {
  margin-bottom: 0;
}

.doctrine__block-heading {
  font-family: var(--font-accent);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--color-cyan);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
}

.doctrine__block-body {
  font-size: var(--fs-base);
  color: var(--color-text);
  line-height: 1.75;
  max-width: 780px;
}

.doctrine__principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  margin-top: var(--space-lg);
}

.doctrine__principle {
  background: rgba(255, 255, 255, 0.02);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.doctrine__principle-num {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-white);
  letter-spacing: -0.02em;
  line-height: 1;
  flex-shrink: 0;
  min-width: 36px;
}

.doctrine__principle-text {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.doctrine__highlight {
  margin-top: var(--space-lg);
  padding-left: var(--space-md);
  border-left: 2px solid var(--color-sky);
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: var(--fs-lg);
  color: var(--color-sky);
}

/* ============================================================
   GROUP — Entity role eyebrow + Attributes row
   ============================================================ */
.group__entity-role {
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-sky);
  margin-bottom: 0.25rem;
}

.group__entity .group__entity-name {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.group__entity p {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.group__attributes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.group__attribute-label {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: var(--fs-xl);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 0.5rem;
}

.group__attribute-desc {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.5;
}

/* ============================================================
   PARTNERS — Card title overrides for icon-less layout
   ============================================================ */
.partners__card {
  text-align: left;
}

.partners__card h3 {
  font-family: var(--font-accent);
  font-size: var(--fs-xl);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.partners__compliance p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================================
   RESPONSIVE — Section components
   ============================================================ */
@media (max-width: 1024px) {
  .engagement__grid { grid-template-columns: 1fr; }
  .hub__pipeline { grid-template-columns: repeat(3, 1fr); }
  .hub__pipeline-stage:nth-child(3)::after { display: none; }
  .group__attributes { grid-template-columns: repeat(2, 1fr); }
  .doctrine__principles { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hub__pipeline { grid-template-columns: 1fr; }
  .hub__pipeline-stage::after { display: none; }

  .group__attributes { grid-template-columns: 1fr; }
  .group__entities { grid-template-columns: 1fr; }
}

/* ============================================================
   DOCTRINE — Responsive overrides
   ============================================================ */
@media (max-width: 768px) {
  .doctrine__block { padding: var(--space-lg); }
  .doctrine__principle { padding: var(--space-sm) var(--space-md); }
}

/* ============================================================
   ABOUT — Purpose + How We Operate (principles grid)
   ============================================================ */
.about__operate {
  margin-top: var(--space-3xl);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
}

.about__operate-label {
  display: block;
  margin-bottom: var(--space-md);
}

.about__operate-heading {
  font-family: var(--font-accent);
  font-size: var(--fs-2xl);
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-xl);
}

.about__principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.about__principle {
  background: rgba(255, 255, 255, 0.02);
  padding: var(--space-lg);
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.about__principle-num {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-white);
  letter-spacing: -0.02em;
  line-height: 1;
  flex-shrink: 0;
  min-width: 44px;
}

.about__principle-content {
  flex: 1;
}

.about__principle-title {
  font-family: var(--font-accent);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-cyan);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-xs);
}

.about__principle-body {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 768px) {
  .about__operate { padding: var(--space-lg); }
  .about__principles { grid-template-columns: 1fr; }
  .about__principle { padding: var(--space-md); }
}

/* ==========================================================================
   Section background image hooks
   --------------------------------------------------------------------------
   Optional <img class="section__bg"> (or <video class="section__bg"> for the
   About section) placed at the top of any section. Sits behind .container,
   low opacity over the section's dark background colour. Image src points to
   media/images/{slug}-bg.jpg; when the file does not exist
   the inline onerror="this.remove()" hides it.
   See Info/IMAGE-PLACEHOLDERS.md for what each slot should depict.
   ========================================================================== */
.section__bg {
  --section-bg-blur: 8px;
  --section-bg-scale: 1.05;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  filter: blur(var(--section-bg-blur));
  /* Scale up slightly so the blurred fringe falls outside the section's
     overflow: hidden box — otherwise blur fades visibly at the edges. */
  transform: scale(var(--section-bg-scale));
  transform-origin: center;
}

/* Mobile: push blur high enough that the image reads purely as a colour
   wash. On a narrow viewport the section is tall and skinny, so any image
   detail compresses against the text and hurts legibility. The bigger
   blur needs a bigger scale to keep the soft fringe off-screen. */
@media (max-width: 768px) {
  .section__bg {
    --section-bg-blur: 32px;
    --section-bg-scale: 1.18;
  }
}

/* About section: video on desktop, static image on mobile to save bandwidth
   and battery. The mobile <img> sibling is hidden on wider viewports. */
.section__bg--mobile { display: none; }
@media (max-width: 768px) {
  .section__bg--video { display: none; }
  .section__bg--mobile { display: block; }
}

.section > .container {
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Section closing taglines
   --------------------------------------------------------------------------
   Reusable two-line emphasis pattern used at the foot of Doctrine, Engagement,
   Group, and Partners — mirroring the existing .platform__statement style.
   ========================================================================== */
.doctrine__closing,
.engagement__closing,
.group__closing,
.partners__closing {
  font-size: var(--fs-xl);
  color: var(--color-text-muted);
  text-align: center;
  max-width: 720px;
  margin: var(--space-3xl) auto 0;
  line-height: 1.5;
}

.doctrine__closing strong,
.engagement__closing strong,
.group__closing strong,
.partners__closing strong {
  color: var(--color-white);
  font-size: var(--fs-2xl);
  display: block;
  margin-top: var(--space-xs);
  font-weight: 600;
}

@media (max-width: 768px) {
  .doctrine__closing,
  .engagement__closing,
  .group__closing,
  .partners__closing {
    font-size: var(--fs-lg);
    margin-top: var(--space-2xl);
  }

  .doctrine__closing strong,
  .engagement__closing strong,
  .group__closing strong,
  .partners__closing strong {
    font-size: var(--fs-xl);
  }
}