/* Page-level structure: container, nav, hero, sections, footer.
   Outer shells are sharp (0 radius). Inner panels use 6–8px. */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Top nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background: rgba(18, 18, 18, 0.94);
  border-bottom: 1px solid transparent;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
  transition:
    transform var(--d-med) var(--ease-out),
    opacity var(--d-med) var(--ease-out),
    border-color var(--d-med) var(--ease-out),
    background var(--d-med) var(--ease-out);
}

/* Hidden while the hero fills the viewport — clean full-bleed landing */
.nav.is-at-hero {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.nav.is-scrolled {
  border-bottom-color: var(--border);
  background: var(--bg);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  height: var(--nav-height, 64px);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--text);
}

.nav__brand img {
  width: 24px;
  height: 24px;
  filter: brightness(1.1);
}

.nav__brand .wordmark {
  font-size: 14px;
}

.nav__links {
  display: none;
  gap: var(--s-6);
}

.nav__link {
  font-size: var(--t-small);
  color: var(--text-secondary);
  position: relative;
  padding-block: 4px;
  transition: color var(--d-fast) var(--ease-out);
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--primary);
  transition: right var(--d-med) var(--ease-out);
}

.nav__link:hover {
  color: var(--text);
}

.nav__link:hover::after {
  right: 0;
}

/* Scroll-spy: the link for the section currently in view (set by main.js).
   Persistent underline + full-strength text, so the reader always knows
   where they are on a long single-page scroll. */
.nav__link.is-current {
  color: var(--text);
}

.nav__link.is-current::after {
  right: 0;
  background: var(--border-strong);
}

.nav__actions {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
}

@media (prefers-reduced-motion: reduce) {
  .nav {
    transition: none;
  }
}

/* ---------- Mobile menu (hamburger + dropdown, < 880px) ---------- */
.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--text);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.nav__toggle-bars {
  position: relative;
  display: block;
  width: 20px;
  height: 13px;
}

.nav__toggle-bars span {
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--d-med) var(--ease-out),
              opacity var(--d-fast) var(--ease-out);
}

.nav__toggle-bars span:nth-child(1) { top: 0; }
.nav__toggle-bars span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.nav__toggle-bars span:nth-child(3) { bottom: 0; }

.nav.is-menu-open .nav__toggle-bars span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.nav.is-menu-open .nav__toggle-bars span:nth-child(2) { opacity: 0; }

.nav.is-menu-open .nav__toggle-bars span:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

@media (min-width: 880px) {
  .nav__links { display: inline-flex; }
  .nav__toggle { display: none; }
}

@media (max-width: 879px) {
  .nav__links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: var(--s-2) var(--gutter) var(--s-4);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity var(--d-med) var(--ease-out),
                transform var(--d-med) var(--ease-out),
                visibility 0s linear var(--d-med);
  }

  .nav.is-menu-open .nav__links {
    visibility: visible;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    transition: opacity var(--d-med) var(--ease-out),
                transform var(--d-med) var(--ease-out);
  }

  .nav__link {
    display: block;
    padding-block: 14px;
    font-size: var(--t-body);
    color: var(--text);
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav__links .nav__link:last-child { border-bottom: 0; }

  .nav__link::after { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
  isolation: isolate;
  background: var(--hero-spectrum-black);
  --hero-tagline-measure: min(38ch, 100%);
  --hero-sub-measure: min(44ch, 100%);
  --hero-explore-reserve: clamp(5.5rem, 14vh, 7.5rem);
}

.hero__inner {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  justify-content: flex-end;
  position: relative;
  width: 100%;
  min-height: calc(100svh - env(safe-area-inset-bottom, 0px));
  min-height: calc(100dvh - env(safe-area-inset-bottom, 0px));
  padding-top: clamp(var(--s-6), 6vh, var(--s-8));
  padding-bottom: calc(var(--hero-explore-reserve) + env(safe-area-inset-bottom, 0px));
  z-index: 2;
}

.hero__lead {
  min-width: 0;
  max-width: min(52rem, 100%);
  margin: 0 0 clamp(var(--s-2), 2vh, var(--s-4));
}

.hero__lockup {
  margin: 0;
  font: inherit;
  text-wrap: balance;
}

.hero__lockup-name {
  display: block;
  font-size: clamp(2.75rem, 10vw, 6.5rem);
  line-height: 0.98;
  color: var(--text);
  overflow-wrap: anywhere;
}

.hero__tagline {
  margin: clamp(var(--s-4), 2.5vh, var(--s-6)) 0 0;
  max-width: var(--hero-tagline-measure);
  font-family: var(--font-serif);
  font-size: clamp(1.0625rem, 1.1rem + 0.55vw, 1.5rem);
  font-weight: 400;
  line-height: 1.42;
  color: var(--text-secondary);
  text-wrap: balance;
  overflow-wrap: break-word;
  hyphens: auto;
}

.hero__sub {
  margin: clamp(var(--s-4), 2vh, var(--s-5)) 0 0;
  max-width: var(--hero-sub-measure);
  font-size: clamp(0.875rem, 0.84rem + 0.35vw, 1.0625rem);
  line-height: 1.58;
  color: var(--text-tertiary);
  text-wrap: pretty;
  overflow-wrap: break-word;
  hyphens: auto;
}

.hero__sub-break {
  display: none;
}

@media (min-width: 520px) {
  .hero__sub-break {
    display: block;
  }
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-4) var(--s-5);
  margin-top: clamp(var(--s-4), 3vh, var(--s-7));
}

/* Hero copy — entrance on load (not scroll IO); keeps LCP text immediate */
@media (prefers-reduced-motion: no-preference) {
  .hero .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: none;
    animation: heroCopyIn 640ms var(--ease-out) forwards;
  }

  .hero .reveal--delay-1 { animation-delay: 80ms; }
  .hero .reveal--delay-2 { animation-delay: 160ms; }
  .hero .reveal--delay-3 { animation-delay: 240ms; }
  .hero .reveal--delay-4 { animation-delay: 320ms; }
}

@keyframes heroCopyIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero .reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

.hero__explore {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(clamp(var(--s-5), 5vh, var(--s-8)) + env(safe-area-inset-bottom, 0px));
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
  width: fit-content;
  margin-inline: auto;
  font-size: var(--t-small);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  text-decoration: none;
  opacity: 0;
  animation: heroExploreIn 720ms var(--ease-out) 480ms forwards;
  transition: color var(--d-fast) var(--ease-out);
}

@keyframes heroExploreIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero__explore:hover {
  color: var(--text-secondary);
}

.hero__explore-icon {
  display: block;
  width: 16px;
  height: 16px;
  opacity: 0.85;
  transition: transform var(--d-med) var(--ease-out);
}

.hero__explore:hover .hero__explore-icon {
  animation: none;
  transform: translateY(3px);
}

@media (prefers-reduced-motion: no-preference) {
  .hero__explore-icon {
    animation: heroExploreNudge 2.8s var(--ease-out) 1.2s infinite;
  }
}

@keyframes heroExploreNudge {
  0%, 100% { transform: translateY(0); opacity: 0.85; }
  50% { transform: translateY(4px); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__explore {
    opacity: 1;
    animation: none;
  }

  .hero__explore-icon {
    animation: none;
  }
}

/* Hero copy — wider measure on roomy viewports */
@media (min-width: 640px) {
  .hero {
    --hero-tagline-measure: min(44ch, 100%);
    --hero-sub-measure: min(50ch, 100%);
  }
}

@media (min-width: 960px) {
  .hero {
    --hero-tagline-measure: min(48ch, 100%);
    --hero-sub-measure: min(56ch, 100%);
    --hero-explore-reserve: clamp(6rem, 12vh, 8rem);
  }
}

/* Short viewports — shrink type and spacing so copy is never clipped */
@media (max-height: 760px) {
  .hero {
    --hero-explore-reserve: clamp(4.75rem, 12vh, 6rem);
  }

  .hero__inner {
    padding-top: clamp(var(--s-5), 5vh, var(--s-6));
  }

  .hero__lead {
    margin-bottom: var(--s-2);
  }

  .hero__lockup-name {
    font-size: clamp(2.35rem, 7.5vh, 4.25rem);
    line-height: 1;
  }

  .hero__tagline {
    margin-top: var(--s-3);
    font-size: clamp(1rem, 1.8vh, 1.2rem);
    line-height: 1.38;
  }

  .hero__sub {
    margin-top: var(--s-3);
    font-size: clamp(0.8125rem, 1.65vh, 0.9375rem);
    line-height: 1.52;
  }

  .hero__cta {
    margin-top: var(--s-4);
  }
}

@media (max-height: 560px) and (orientation: landscape) {
  .hero {
    --hero-explore-reserve: 4.25rem;
    --hero-tagline-measure: min(52ch, 100%);
    --hero-sub-measure: min(58ch, 100%);
  }

  .hero__inner {
    padding-top: var(--s-4);
    padding-bottom: calc(4.25rem + env(safe-area-inset-bottom, 0px));
  }

  .hero__lead {
    margin-bottom: var(--s-1);
  }

  .hero__lockup-name {
    font-size: clamp(2rem, 9vh, 2.75rem);
  }

  .hero__tagline {
    font-size: clamp(0.9375rem, 2.4vh, 1.0625rem);
  }

  .hero__sub {
    font-size: clamp(0.75rem, 2vh, 0.875rem);
    line-height: 1.48;
  }

  .hero__cta {
    margin-top: var(--s-3);
  }

  .hero__explore {
    bottom: calc(var(--s-4) + env(safe-area-inset-bottom, 0px));
    gap: var(--s-1);
    font-size: var(--t-caption);
  }
}

/* Narrow phones — tighter measure, slightly smaller display type */
@media (max-width: 380px) {
  .hero {
    --hero-tagline-measure: min(34ch, 100%);
    --hero-sub-measure: min(40ch, 100%);
  }

  .hero__lockup-name {
    font-size: clamp(2rem, 10.5vw, 2.625rem);
    letter-spacing: 0.08em;
  }
}

/* Phone — full-bleed video with copy layered on bottom scrim (not stacked blocks) */
@media (max-width: 639px) {
  .hero {
    --hero-explore-reserve: clamp(4rem, 10vh, 4.75rem);
    --hero-tagline-measure: 100%;
    --hero-sub-measure: 100%;
  }

  .hero__inner {
    justify-content: flex-end;
    padding-top: clamp(var(--s-6), 8vh, var(--s-8));
    min-height: 100dvh;
    padding-bottom: calc(14vh + var(--hero-explore-reserve) + env(safe-area-inset-bottom, 0px));
  }

  .hero__lead {
    margin-bottom: var(--s-2);
  }

  .hero__lockup-name {
    font-size: clamp(2.125rem, 10.5vw, 2.75rem);
    line-height: 1;
    letter-spacing: 0.09em;
  }

  .hero__tagline {
    margin-top: var(--s-3);
    font-size: 1rem;
    line-height: 1.38;
    max-width: 100%;
  }

  .hero__sub {
    margin-top: var(--s-3);
    font-size: 0.875rem;
    line-height: 1.52;
    max-width: 100%;
  }

  .hero__sub-break {
    display: block;
  }

  .hero__cta {
    margin-top: var(--s-4);
  }

  .hero__explore {
    bottom: calc(var(--s-4) + env(safe-area-inset-bottom, 0px));
  }
}

/* ---------- Section frame ---------- */
.section {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: clamp(72px, 10vw, 144px);
  scroll-margin-top: var(--nav-height, 64px);
}

.section > .container {
  width: 100%;
}

#capabilities,
.section--capabilities {
  display: block;
  min-height: auto;
  align-items: flex-start;
  padding-block: clamp(72px, 10vw, 120px);
}

#capabilities .section__head,
.caps__head {
  min-height: 0;
  align-content: start;
  margin-bottom: clamp(var(--s-6), 5vw, var(--s-7));
  padding-block: 0;
}

.caps__hook {
  margin: 0 0 var(--s-4);
  max-width: 22ch;
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 1rem + 0.55vw, 1.375rem);
  font-style: italic;
  line-height: 1.42;
  color: var(--text);
  text-wrap: balance;
}

.caps__note {
  margin: var(--s-4) 0 0;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--text-disabled);
  text-transform: uppercase;
}

.section--capabilities .section__title {
  max-width: 20ch;
}

.section__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s-4);
  margin-bottom: clamp(48px, 7vw, 88px);
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--text-tertiary);
  font-size: var(--t-small);
  letter-spacing: 0.02em;
}

.section__eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--border-strong);
}

.section__title {
  max-width: 24ch;
}

.section__lead {
  max-width: 56ch;
  margin-top: var(--s-3);
}

/* ---------- Approach (Why Valmeer) ---------- */
#approach {
  scroll-margin-top: 0;
}

.section--approach {
  min-height: 100svh;
  min-height: 100dvh;
  padding-block: clamp(72px, 10vw, 120px);
}

.section--approach__inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100svh - clamp(144px, 20vw, 240px));
  min-height: calc(100dvh - clamp(144px, 20vw, 240px));
  gap: clamp(var(--s-7), 8vw, var(--s-9));
}

.approach {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(40px, 6vw, 72px);
  align-items: stretch;
}

.approach__copy {
  min-width: 0;
}

.approach__frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(var(--s-4), 3vw, var(--s-5));
  min-width: 0;
}

.approach__toc {
  position: relative;
  align-self: start;
}

.approach__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 6px;
}

.approach__toc-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  background: transparent;
  color: var(--text-tertiary);
  font: inherit;
  cursor: pointer;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.approach__toc-item:hover {
  color: var(--text-secondary);
  border-color: var(--border-strong);
}

.approach__toc-item:focus-visible {
  outline: 2px solid var(--primary-muted);
  outline-offset: 2px;
}

.approach__toc-item.is-active {
  color: var(--text);
  border-color: color-mix(in srgb, var(--primary) 42%, var(--border-strong));
  background: var(--primary-faint);
}

.approach__toc-index {
  font-size: 0.5625rem;
  letter-spacing: 0.08em;
  color: var(--text-disabled);
}

.approach__toc-item.is-active .approach__toc-index {
  color: var(--primary);
}

.approach__toc-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.approach__frame-mark {
  display: none;
  position: absolute;
  top: 0;
  right: -1px;
  left: auto;
  width: 2px;
  background: var(--primary);
  pointer-events: none;
  transition:
    transform 0.34s cubic-bezier(0.22, 1, 0.36, 1),
    height 0.34s cubic-bezier(0.22, 1, 0.36, 1);
}

.approach__intro {
  min-width: 0;
}

.approach__intro .section__eyebrow {
  margin-bottom: var(--s-5);
}

.approach__title {
  margin: 0;
  display: grid;
  gap: clamp(var(--s-2), 1.5vw, var(--s-3));
}

.approach__hook,
.approach__deck {
  transition: opacity 0.38s ease;
}

.approach__title-main,
.approach__title-sub {
  display: flex;
  flex-wrap: nowrap;
  align-items: baseline;
  white-space: nowrap;
}

.approach__title-one {
  flex: none;
}

.approach__title-slot {
  flex: none;
  display: inline-block;
}

.approach__title-sep {
  flex: none;
  white-space: pre;
}

.approach__intro.is-copy-fading .approach__hook,
.approach__intro.is-copy-fading .approach__deck {
  opacity: 0.12;
}

.approach__title-main {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5.8vw, 4.75rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--text);
}

.approach__title-sub {
  max-width: none;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 1.1rem + 0.9vw, 1.875rem);
  font-weight: 400;
  line-height: 1.28;
  color: var(--text-secondary);
}

.approach__hook {
  margin: clamp(var(--s-5), 4vw, var(--s-7)) 0 0;
  max-width: 28ch;
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 1rem + 0.55vw, 1.375rem);
  font-style: italic;
  line-height: 1.42;
  color: var(--text);
  text-wrap: balance;
  box-sizing: border-box;
}

.approach__deck {
  margin: var(--s-4) 0 0;
  max-width: 48ch;
  font-family: var(--font-body);
  font-size: var(--t-lead);
  line-height: 1.58;
  color: var(--text-secondary);
  text-wrap: pretty;
  box-sizing: border-box;
}

.approach__feed {
  position: relative;
  min-height: clamp(220px, 36vh, 300px);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scroll-behavior: auto;
  align-self: stretch;
  width: 100%;
  scrollbar-width: none;
  -ms-overflow-style: none;
  outline: none;
  --feed-fade: 2.25rem;
}

.approach__feed.is-scrollable:not(.is-at-end) {
  -webkit-mask-image: linear-gradient(
    to bottom,
    #000 0,
    #000 calc(100% - var(--feed-fade)),
    transparent 100%
  );
  mask-image: linear-gradient(
    to bottom,
    #000 0,
    #000 calc(100% - var(--feed-fade)),
    transparent 100%
  );
}

.approach__feed::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

.approach__feed:focus-visible {
  box-shadow: 0 0 0 2px var(--primary-muted);
  border-radius: var(--r-lg);
}

.approach__feed-stack {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin: 0;
  padding: 0;
}

.approach-notif {
  display: block;
  padding: var(--s-4);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface-raised);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translate3d(0, 8px, 0);
  transition:
    opacity 280ms var(--ease-out),
    transform 280ms var(--ease-out);
}

.approach-notif.is-shown {
  opacity: 1;
  transform: none;
}

.approach-notif.is-entering {
  opacity: 0;
  transform: translate3d(0, -8px, 0);
}

.approach-notif__body {
  min-width: 0;
}

.approach-notif__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-3);
  margin-bottom: 2px;
}

.approach-notif__module {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.approach-notif__time {
  font-size: 0.6875rem;
  color: var(--text-disabled);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.approach-notif__title {
  margin: 0;
  max-width: none;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
}

.approach-notif__text {
  margin: 4px 0 0;
  max-width: none;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

@media (min-width: 960px) {
  .approach {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 24rem);
    gap: clamp(24px, 2.8vw, 40px);
  }

  .approach__frame {
    grid-template-columns: 1.5rem minmax(0, 1fr);
    gap: clamp(10px, 1.1vw, 14px);
    align-items: stretch;
  }

  .approach__hook {
    max-width: 34ch;
  }

  .approach__deck {
    max-width: 56ch;
  }

  .approach__toc {
    position: relative;
    padding-top: 0.2rem;
    border-right: 1px solid var(--border-subtle);
  }

  .approach__toc-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .approach__toc-item {
    position: relative;
    z-index: 1;
    justify-content: center;
    width: 100%;
    min-height: 1.85rem;
    padding: 0.38rem 0;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .approach__toc-item:hover {
    color: var(--text-secondary);
    background: transparent;
  }

  .approach__toc-item.is-active {
    color: var(--text);
    background: transparent;
  }

  .approach__toc-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .approach__frame-mark {
    display: block;
  }

  .approach__feed {
    width: 100%;
    max-width: 24rem;
    justify-self: start;
    min-height: 0;
  }
}

@media (max-width: 639px) {
  .section--approach__inner {
    min-height: auto;
  }

  .approach__title-sub {
    white-space: normal;
    flex-wrap: wrap;
  }

  .approach__title-slot {
    min-width: 0 !important;
  }

  .approach__feed {
    max-height: clamp(220px, 40vh, 320px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .approach-notif {
    opacity: 1;
    transform: none;
    transition: none;
    filter: none;
  }
}

/* ---------- Deployment & architecture ---------- */
#about {
  position: relative;
  min-height: auto;
  align-items: flex-start;
  overflow: hidden;
  scroll-margin-top: var(--nav-height, 64px);
}

.deploy__shell {
  width: 100%;
}

.deploy__layout {
  --deploy-copy-width: 42rem;
  --deploy-cli-gap: clamp(1.25rem, 3vw, 2.75rem);
}

.deploy__content {
  position: relative;
  z-index: 1;
  min-width: 0;
  max-width: var(--deploy-copy-width);
}

.deploy__cli {
  display: none;
}

.deploy-cli {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.deploy-cli__screen {
  flex: 1;
  min-height: 0;
  margin: 0;
  padding-right: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  overflow-anchor: none;
  scrollbar-width: none;
  -ms-overflow-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  text-align: left;
}

.deploy-cli__screen::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.deploy-cli__line {
  opacity: 1;
  transform: none;
}

.deploy-cli__line.is-prompt {
  color: var(--text);
  margin-bottom: 0.35rem;
}

.deploy-cli__line.is-lead {
  color: var(--text);
  margin-bottom: 0.4rem;
}

.deploy-cli__line.is-layer {
  margin-top: 0.55rem;
  margin-bottom: 0.2rem;
  color: var(--text-disabled);
  letter-spacing: 0.06em;
  font-size: 0.6875rem;
  text-transform: uppercase;
}

.deploy-cli__line.is-meta {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.deploy-cli__line.is-ok {
  color: color-mix(in srgb, var(--success) 82%, var(--text-secondary));
}

.deploy-cli__line.is-muted {
  color: var(--text-disabled);
}

.deploy-cli__line.is-pending {
  color: var(--text-disabled);
  font-style: normal;
  opacity: 0.72;
}

.deploy-cli__cursor {
  display: inline-block;
  color: var(--primary);
  animation: deploy-cli-blink 1.1s step-end infinite;
}

@media (max-width: 959px) {
  .deploy__layout {
    display: flex;
    flex-direction: column;
    gap: clamp(var(--s-4), 4vw, var(--s-5));
  }

  .deploy__content {
    max-width: none;
  }

  .deploy__layers,
  .deploy__foot {
    max-width: none;
  }

  .deploy__cli {
    display: block;
    width: 100%;
    margin-top: clamp(var(--s-3), 3vw, var(--s-4));
    padding-top: clamp(var(--s-4), 4vw, var(--s-5));
    border-top: 1px solid var(--border-subtle);
    pointer-events: none;
    contain: layout style;
  }

  .deploy-cli {
    height: clamp(13.5rem, 40vw, 16.5rem);
    opacity: 0.55;
  }

  .deploy-cli__screen {
    -webkit-overflow-scrolling: touch;
    transform: translateZ(0);
  }

  .deploy-cli__line.is-meta {
    white-space: normal;
    font-size: 0.6875rem;
  }
}

#about .section__head {
  margin-bottom: clamp(var(--s-6), 5vw, var(--s-7));
}

.deploy__layers {
  max-width: var(--deploy-copy-width);
  margin: 0;
}

.deploy__row {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: var(--s-4);
  padding: var(--s-4) 0;
  border-bottom: 1px solid var(--border-subtle);
  align-items: baseline;
}

.deploy__row:first-child {
  border-top: 1px solid var(--border-subtle);
}

.deploy__row dt {
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--text-disabled);
}

.deploy__row dd {
  margin: 0;
  font-size: var(--t-lead);
  line-height: 1.5;
  color: var(--text-secondary);
}

.deploy__row dd strong {
  font-weight: 500;
  color: var(--text);
}

.deploy__foot {
  margin: clamp(var(--s-5), 4vw, var(--s-6)) 0 0;
  max-width: var(--deploy-copy-width);
  font-size: var(--t-small);
  line-height: 1.55;
  color: var(--text-tertiary);
}

@media (min-width: 960px) {
  .deploy__layout {
    position: relative;
  }

  .deploy__cli {
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: calc(var(--deploy-copy-width) + var(--deploy-cli-gap));
    right: 0;
    min-height: 0;
    pointer-events: none;
    z-index: 0;
    contain: layout style;
  }

  .deploy-cli {
    position: relative;
    width: 100%;
    height: 100%;
    opacity: 0.42;
  }

  .deploy-cli__screen {
    transform: translateZ(0);
  }
}

@keyframes deploy-cli-blink {
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .deploy-cli__cursor {
    animation: none;
  }
}

/* ---------- Capabilities ---------- */
.cap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  padding-block: clamp(36px, 5vw, 64px);
  border-top: 1px solid var(--border-subtle);
  align-items: start;
}

.cap:first-of-type { border-top: 0; padding-top: 0; }

#capabilities .cap:first-of-type {
  border-top: 1px solid var(--border-subtle);
  padding-top: clamp(36px, 5vw, 64px);
}

.cap__index {
  font-family: var(--font-mono);
  font-size: var(--t-small);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.cap__index::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--primary);
}

.cap__title {
  margin-top: var(--s-3);
  font-size: var(--t-h3);
}

.cap__lead {
  margin-top: var(--s-4);
  font-size: var(--t-lead);
  color: var(--text-secondary);
  max-width: 52ch;
}

.cap__list {
  display: grid;
  gap: var(--s-5);
  margin-top: clamp(var(--s-6), 5vw, var(--s-7));
  padding-top: clamp(var(--s-5), 4vw, var(--s-6));
}

.cap__list-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-4);
  padding-bottom: var(--s-5);
  border-bottom: 1px solid var(--border-subtle);
  align-items: baseline;
}

.cap__list-item:last-child { border-bottom: 0; padding-bottom: 0; }

.cap__list-item .item-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary);
  padding-top: 4px;
}

.cap__list-item .item-text strong {
  font-weight: 500;
  color: var(--text);
}

.cap__list-item .item-text p {
  margin-top: var(--s-2);
  font-size: var(--t-small);
  color: var(--text-secondary);
}

@media (min-width: 960px) {
  .cap {
    grid-template-columns: 1fr 1.2fr;
    gap: clamp(40px, 5vw, 72px);
    align-items: center;
  }
  .cap--mirror .cap__copy { order: 2; }
  .cap--mirror .cap__detail { order: 1; }
}

.cap__more {
  margin: clamp(var(--s-5), 4vw, var(--s-7)) 0 0;
  padding-top: clamp(var(--s-5), 4vw, var(--s-6));
  border-top: 1px solid var(--border-subtle);
  max-width: 52ch;
  font-size: var(--t-small);
  line-height: 1.55;
  color: var(--text-tertiary);
}

.caps__modules {
  margin-top: clamp(var(--s-6), 5vw, var(--s-7));
  padding-top: clamp(var(--s-5), 4vw, var(--s-6));
  border-top: 1px solid var(--border-subtle);
}

.caps__modules-lead {
  margin: 0 0 var(--s-4);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-disabled);
}

.caps__modules-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.caps__modules-list li {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  color: var(--text-tertiary);
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
}

/* ---------- Sectors & frameworks (operators + alignment register) ---------- */
#sectors,
.section--fit {
  min-height: auto;
  align-items: flex-start;
  padding-block: clamp(88px, 11vw, 136px);
  scroll-margin-top: var(--nav-height, 64px);
}

.fit__head {
  margin-bottom: clamp(var(--s-7), 6vw, var(--s-8));
}

.fit__hook {
  margin: 0 0 var(--s-5);
  max-width: 22ch;
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 1rem + 0.55vw, 1.375rem);
  font-style: italic;
  line-height: 1.45;
  color: var(--text);
  text-wrap: balance;
}

.section--fit .section__title {
  max-width: 22ch;
}

.section--fit .section__lead {
  margin-top: var(--s-4);
  max-width: 54ch;
  line-height: 1.6;
}

.fit__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(56px, 8vw, 72px);
  align-items: start;
}

@media (min-width: 960px) {
  .fit__body {
    grid-template-columns: minmax(17.5rem, 0.42fr) minmax(0, 1fr);
    column-gap: clamp(64px, 7vw, 7.5rem);
    row-gap: 0;
  }
}

.fit__block-label {
  margin: 0 0 var(--s-5);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.fit__operator-list {
  list-style: none;
  margin: 0;
  padding: var(--s-2) 0 0;
  border-top: 1px solid var(--border);
}

.fit__operator {
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.fit__operator:first-child {
  padding-top: clamp(var(--s-5), 3vw, var(--s-6));
}

.fit__operator-name {
  font-family: var(--font-display);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  font-weight: 500;
  letter-spacing: -0.012em;
  color: var(--text);
}

.fit__operator-desc {
  margin: 0;
  font-size: var(--t-small);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 40ch;
}

.fit__register {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--r-lg);
  padding: clamp(var(--s-5), 4vw, var(--s-6));
  font-family: var(--font-product);
}

.fit__register-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-2) var(--s-4);
  padding-bottom: var(--s-5);
  margin-bottom: var(--s-4);
  border-bottom: 1px solid var(--border-subtle);
}

.fit__register-label {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.fit__register-meta {
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.fit__entries {
  margin: 0;
  padding-top: var(--s-1);
}

.fit__entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s-2);
  padding: clamp(var(--s-4), 2.5vw, var(--s-5)) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.fit__entry:first-child {
  padding-top: var(--s-5);
}

.fit__entry:last-child {
  border-bottom: 0;
  padding-bottom: var(--s-2);
}

@media (min-width: 600px) {
  .fit__entry {
    grid-template-columns: minmax(7rem, 9.5rem) minmax(0, 1fr);
    gap: clamp(var(--s-4), 3vw, var(--s-6));
    align-items: baseline;
  }
}

.fit__entry dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  line-height: 1.4;
}

.fit__entry dd {
  margin: 0;
  font-size: var(--t-small);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 48ch;
}

.fit__note {
  margin: clamp(var(--s-8), 8vw, var(--s-9)) 0 0;
  padding-top: var(--s-6);
  border-top: 1px solid var(--border-subtle);
  max-width: 72ch;
  font-size: var(--t-small);
  color: var(--text-tertiary);
  line-height: 1.55;
}

/* ---------- Conversation / final CTA (#contact) ---------- */
.cta-final {
  position: relative;
  padding-top: clamp(88px, 11vw, 128px);
  padding-bottom: clamp(120px, 14vw, 200px);
  scroll-margin-top: var(--nav-height, 64px);
  background: var(--bg-deep);
}

.conv {
  max-width: 40rem;
}

.conv__head {
  display: grid;
  gap: var(--s-4);
  margin-bottom: clamp(var(--s-6), 5vw, var(--s-7));
}

.cta-final .section__title {
  max-width: 16ch;
}

.conv__lead {
  margin: 0;
  font-size: var(--t-lead);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 42ch;
}

.conv__action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-5) var(--s-6);
}

.conv__mailto {
  font-size: var(--t-small);
  color: var(--text-secondary);
}

/* ---------- Footer ---------- */
.footer {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  isolation: isolate;
  margin-top: 0;
  background: #000;
  color: var(--text);
  border-top: 1px solid var(--border);
}

.footer__inner {
  position: relative;
  z-index: 1;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: calc(100svh - env(safe-area-inset-bottom, 0px));
  min-height: calc(100dvh - env(safe-area-inset-bottom, 0px));
  padding-top: clamp(var(--s-6), 6vh, var(--s-8));
  padding-bottom: calc(clamp(var(--s-6), 5vw, var(--s-7)) + env(safe-area-inset-bottom, 0px));
}

.footer__mast {
  margin-top: auto;
  margin-bottom: clamp(var(--s-6), 6vw, var(--s-7));
  flex-shrink: 0;
}

.footer__lockup {
  display: inline-block;
  color: var(--text);
  transition: opacity var(--d-fast) var(--ease-out);
}

.footer__lockup:hover { opacity: 0.88; }

.footer__name {
  font-size: clamp(2.75rem, 10vw, 6.5rem);
  line-height: 0.92;
  letter-spacing: 0.085em;
  text-wrap: balance;
}

.footer__hook {
  margin: clamp(var(--s-4), 2.5vw, var(--s-5)) 0 0;
  max-width: 24ch;
  font-family: var(--font-serif);
  font-size: clamp(1.0625rem, 0.98rem + 0.45vw, 1.375rem);
  line-height: 1.45;
  color: var(--text-secondary);
  text-wrap: balance;
}

.footer__hook em {
  font-style: italic;
  color: var(--text);
}

.footer__sitemap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(var(--s-6), 5vw, var(--s-7));
  padding-block: clamp(var(--s-5), 4vw, var(--s-6));
  border-block: 1px solid var(--border);
  margin-bottom: clamp(var(--s-5), 4vw, var(--s-6));
  flex-shrink: 0;
}

.footer__group-label {
  display: block;
  margin-bottom: var(--s-4);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.footer__group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__group li + li {
  margin-top: var(--s-2);
}

.footer__group a {
  font-size: var(--t-small);
  line-height: 1.5;
  color: var(--text-secondary);
  transition: color var(--d-fast) var(--ease-out);
}

.footer__group a:hover {
  color: var(--text);
}

.footer__base {
  position: relative;
  z-index: 1;
  padding-top: 0;
  flex-shrink: 0;
}

.footer__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3) var(--s-5);
  font-size: var(--t-small);
  color: var(--text-tertiary);
}

.footer__bar-link {
  color: var(--text-secondary);
  transition: color var(--d-fast) var(--ease-out);
}

.footer__bar-link:hover { color: var(--text); }

.footer__domain {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

@media (min-width: 600px) {
  .footer__sitemap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(var(--s-6), 5vw, var(--s-8));
  }
}

@media (min-width: 960px) {
  .footer__sitemap {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- Mobile optimisation (landing) ---------- */

.nav__cta-short {
  display: none;
}

@media (max-width: 959px) {
  .footer {
    min-height: 0;
  }

  .footer__inner {
    min-height: 0;
    padding-top: clamp(var(--s-6), 8vw, var(--s-7));
  }

  .footer__mast {
    margin-top: 0;
  }
}

@media (max-width: 719px) {
  :root {
    --gutter: clamp(16px, 4.5vw, 24px);
    --nav-height: 56px;
  }

  .nav__inner {
    gap: var(--s-3);
    height: var(--nav-height);
  }

  .nav__brand img {
    width: 22px;
    height: 22px;
  }

  .nav__brand .wordmark {
    font-size: 13px;
  }

  .nav__actions .btn--sm {
    min-height: 40px;
    padding: 8px 12px;
    font-size: 13px;
  }

  .nav__cta-full {
    display: none;
  }

  .nav__cta-short {
    display: inline;
  }

  .section {
    min-height: auto;
    padding-block: clamp(56px, 12vw, 80px);
  }

  .section--approach {
    min-height: auto;
    padding-block: clamp(56px, 12vw, 88px);
  }

  .section--approach__inner {
    min-height: auto;
    gap: clamp(var(--s-6), 7vw, var(--s-7));
  }

  .section__head {
    margin-bottom: clamp(32px, 6vw, 48px);
  }

  .section__title,
  .section--capabilities .section__title,
  .section--fit .section__title,
  .cta-final .section__title {
    max-width: none;
    text-wrap: balance;
  }

  .approach__title-main,
  .approach__title-sub {
    white-space: normal;
    flex-wrap: wrap;
  }

  .approach__title-slot {
    min-width: 0 !important;
  }

  .approach__hook,
  .approach__deck {
    max-width: none;
  }

  .approach {
    gap: clamp(var(--s-5), 6vw, var(--s-6));
  }

  .approach__feed {
    max-height: clamp(200px, 36vh, 280px);
  }

  #about,
  #sectors,
  .section--fit {
    padding-block: clamp(56px, 12vw, 88px);
  }

  #about .section__head {
    margin-bottom: clamp(var(--s-5), 5vw, var(--s-6));
  }

  .deploy__row dd {
    font-size: var(--t-body);
  }

  .cap {
    padding-block: clamp(28px, 6vw, 40px);
    gap: var(--s-6);
  }

  #capabilities {
    padding-block: clamp(56px, 12vw, 88px);
  }

  #capabilities .cap:first-of-type {
    padding-top: clamp(28px, 6vw, 40px);
  }

  .cap__lead,
  .cap__more {
    max-width: none;
  }

  .cap__detail .detail {
    padding: var(--s-4);
  }

  .caps__hook,
  .fit__hook,
  .intel__hook {
    max-width: none;
  }

  .fit__body {
    gap: clamp(var(--s-7), 8vw, var(--s-8));
  }

  .fit__head {
    margin-bottom: clamp(var(--s-6), 6vw, var(--s-7));
  }

  .fit__note {
    margin-top: clamp(var(--s-6), 7vw, var(--s-7));
  }

  .cta-final {
    padding-top: clamp(56px, 10vw, 88px);
    padding-bottom: clamp(56px, 10vw, 80px);
  }

  .conv__head {
    margin-bottom: var(--s-5);
  }

  .conv__lead {
    max-width: none;
  }

  .conv__action {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-4);
  }

  .footer__name {
    font-size: clamp(2.25rem, 11vw, 3.25rem);
  }

  .footer__hook {
    max-width: none;
  }

  .footer__group li + li {
    margin-top: var(--s-1);
  }

  .footer__group a {
    display: inline-block;
    padding-block: 8px;
    font-size: var(--t-body);
  }
}

@media (max-width: 380px) {
  .hero__cta .btn {
    width: 100%;
    justify-content: center;
  }

  .nav__brand .wordmark {
    letter-spacing: 0.08em;
  }
}