:root {
  --bg: #0e1218;
  --ink: #eef2f6;
  --muted: #93a0b0;
  --line: #243041;
  --accent: #6eb6d4;
  --plane: #151b24;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;

  /* Venture accents: OIDF teal vs Keel ocean (deliberately far apart) */
  --oidf: #1faa9c;
  --keel: #3a6f8c;
  --sunwave: #c9854a;
  --vito: #4f9fc8;
  --sentinel: #8a9bb0;
  --cel: #b49be8;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 55% at 85% -5%, #1c3344 0%, transparent 55%),
    radial-gradient(ellipse 55% 45% at -5% 30%, #1a222c 0%, transparent 50%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.5;
}

body[data-venture="oidf"] {
  background:
    radial-gradient(ellipse 75% 50% at 90% 0%, color-mix(in srgb, var(--oidf) 28%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 0% 40%, #152428 0%, transparent 50%),
    var(--bg);
  --accent: var(--oidf);
}

body[data-venture="keel"] {
  background:
    radial-gradient(ellipse 75% 50% at 90% 0%, color-mix(in srgb, var(--keel) 32%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 0% 40%, #141c24 0%, transparent 50%),
    var(--bg);
  --accent: var(--keel);
}

body[data-venture="sunwave"] {
  background:
    radial-gradient(ellipse 75% 50% at 90% 0%, color-mix(in srgb, var(--sunwave) 26%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 0% 40%, #221a14 0%, transparent 50%),
    var(--bg);
  --accent: var(--sunwave);
}

body[data-venture="vito"] {
  background:
    radial-gradient(ellipse 75% 50% at 90% 0%, color-mix(in srgb, var(--vito) 28%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 0% 40%, #142028 0%, transparent 50%),
    var(--bg);
  --accent: var(--vito);
}

body[data-venture="sentinel"] {
  background:
    radial-gradient(ellipse 75% 50% at 90% 0%, color-mix(in srgb, var(--sentinel) 24%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 0% 40%, #171b22 0%, transparent 50%),
    var(--bg);
  --accent: var(--sentinel);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
code {
  font-size: 0.9em;
  color: var(--ink);
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 0;
}

.nav, .hero, .strip, .section, .footer, .page-hero { position: relative; z-index: 1; }

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid transparent;
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  transition: border-color 0.25s ease, background 0.25s ease;
  z-index: 20;
}

.nav--scrolled {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
}

.nav__brand img { width: 148px; height: auto; }

.nav__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1.1rem;
}

.nav__links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav__links a:hover,
.nav__links a[aria-current="page"] { color: var(--ink); }

.nav__links a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--accent, var(--ink));
}

.nav__toggle {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--line);
  background: transparent;
  padding: 0.45rem;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  height: 1px;
  background: var(--ink);
}

.hero {
  min-height: calc(100vh - 4.25rem);
  display: grid;
  align-items: end;
  padding: 2.5rem 1.5rem 3.25rem;
  position: relative;
  overflow: hidden;
}

.hero__plane {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 35%, rgba(110, 182, 212, 0.08) 100%),
    repeating-linear-gradient(
      -14deg,
      transparent,
      transparent 52px,
      rgba(238, 242, 246, 0.025) 52px,
      rgba(238, 242, 246, 0.025) 53px
    );
  animation: drift 20s ease-in-out infinite alternate;
}

.hero__copy,
.page-hero__copy {
  max-width: 40rem;
  position: relative;
}

.hero__brand,
.page-hero__brand {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

.page-hero__brand { color: var(--accent); }

.hero__headline,
.page-hero__headline {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 560;
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  line-height: 1.25;
}

.hero__lede,
.page-hero__lede {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 34rem;
}

.hero__ctas,
.page-hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-hero {
  min-height: min(72vh, 36rem);
  display: grid;
  align-items: end;
  padding: 3rem 1.5rem 3rem;
  position: relative;
  overflow: hidden;
}

.page-hero--compact {
  min-height: min(52vh, 28rem);
  padding-bottom: 2.25rem;
}

.page-hero--path {
  min-height: auto;
  align-items: stretch;
  gap: 1.75rem;
  padding-top: 5.5rem;
  padding-bottom: 1.5rem;
  background:
    radial-gradient(ellipse 80% 55% at 85% 20%, color-mix(in srgb, var(--sunwave) 22%, transparent), transparent 70%),
    linear-gradient(180deg, color-mix(in srgb, var(--plane) 40%, transparent), transparent 55%);
}

.page-hero--path .page-hero__copy {
  position: relative;
  z-index: 1;
  max-width: 40rem;
}

.page-hero--path .page-hero__headline {
  font-size: clamp(1.85rem, 4.2vw, 2.75rem);
}

.path-ribbon {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0.85rem 0 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.35rem;
  border-top: 1px solid color-mix(in srgb, var(--sunwave) 35%, var(--line));
}

.path-ribbon button {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  width: 100%;
  text-align: left;
  padding: 0.65rem 0.55rem;
  border: none;
  background: color-mix(in srgb, var(--sunwave) 8%, transparent);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.path-ribbon button span {
  font-family: var(--font-display);
  color: var(--sunwave);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.path-ribbon button:hover {
  background: color-mix(in srgb, var(--sunwave) 18%, transparent);
  transform: translateY(-2px);
}

.section--line {
  padding-top: 2.5rem;
}

.page-hero__plane {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 40%, color-mix(in srgb, var(--accent) 14%, transparent) 100%),
    repeating-linear-gradient(
      -14deg,
      transparent,
      transparent 52px,
      rgba(238, 242, 246, 0.02) 52px,
      rgba(238, 242, 246, 0.02) 53px
    );
  animation: drift 18s ease-in-out infinite alternate;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn--primary {
  background: var(--accent);
  color: #0c141a;
}

.btn--primary:hover { transform: translateY(-1px); }

.btn--ghost {
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}

.btn--ghost:hover { border-color: var(--accent); }

.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1rem 1.5rem;
  background: color-mix(in srgb, var(--plane) 85%, black);
}

.strip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 56rem;
}

.strip a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}

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

.section {
  padding: 4.5rem 1.5rem;
}

.section--alt {
  background: color-mix(in srgb, var(--plane) 70%, transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section__inner {
  max-width: 46rem;
  margin: 0 auto;
}

.section__inner--wide { max-width: 52rem; }
.section__inner--narrow { max-width: 34rem; }

.section__head h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.section__head p {
  margin: 0 0 2rem;
  color: var(--muted);
}

.section__head--sub {
  margin-top: 2.5rem;
}

.section__head--sub:first-of-type {
  margin-top: 0;
}

.section__subtitle {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-weight: 560;
}

.path {
  display: grid;
  gap: 0;
}

.path__item {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  gap: 1rem;
  align-items: start;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease, background 0.2s ease;
}

body.ready .path__item {
  opacity: 1;
  transform: none;
}

.path__item:nth-child(1) { transition-delay: 0.05s; }
.path__item:nth-child(2) { transition-delay: 0.1s; }
.path__item:nth-child(3) { transition-delay: 0.15s; }
.path__item:nth-child(4) { transition-delay: 0.2s; }
.path__item:nth-child(5) { transition-delay: 0.25s; }

.path__item:hover {
  background: color-mix(in srgb, var(--item-accent, var(--line)) 8%, transparent);
}

.path__num {
  font-family: var(--font-display);
  color: var(--item-accent, var(--accent));
  font-size: 0.95rem;
  padding-top: 0.2rem;
}

.path__copy h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--ink);
}

.path__copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.path__go {
  color: var(--item-accent, var(--muted));
  font-size: 0.85rem;
  font-weight: 600;
  padding-top: 0.35rem;
  white-space: nowrap;
}

.service-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: 1.5rem 0 1.25rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid color-mix(in srgb, var(--accent) 42%, var(--line));
  background: color-mix(in srgb, var(--accent) 9%, var(--plane));
}

.service-card__eyebrow {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.service-card h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.service-card p {
  max-width: 46rem;
  margin: 0;
  color: var(--muted);
}

.diagram-card {
  margin: 1.5rem 0 0;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--plane) 88%, transparent);
}

.diagram-card img {
  display: block;
  width: 100%;
  height: auto;
}

.diagram-card figcaption {
  padding: 0.7rem 0.9rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.open-projects {
  margin-top: 3.5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--line);
}

.open-projects .section__head {
  margin-bottom: 1rem;
}

.open-projects .section__head h2 {
  color: var(--cel);
}

.related-layer {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: baseline;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.related-layer .path__num {
  color: var(--sentinel);
}

.related-layer a {
  font-weight: 600;
  text-decoration: none;
}

.related-layer p {
  margin: 0;
  color: var(--muted);
}

.flow {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 1.25rem;
}

.flow__step {
  padding-top: 0.25rem;
  border-top: 2px solid var(--line);
}

.flow__num {
  display: block;
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.flow__step h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.flow__step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.surfaces {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.35rem;
}

.surface-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--plane) 88%, transparent);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.surface-card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
}

.surface-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.surface-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.surface-card__body {
  padding: 1rem 1.1rem 1.15rem;
}

.surface-card__body h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.surface-card__body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.prose {
  max-width: 38rem;
}

.prose p {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 1.02rem;
}

.prose p:last-child { margin-bottom: 0; }

/* Sunwave energy-path stack (interactive line catalog) */
.stack {
  display: grid;
  grid-template-columns: minmax(9.5rem, 12rem) 1fr;
  gap: 1.5rem 2rem;
  align-items: start;
}

.stack__rail {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  position: sticky;
  top: 5rem;
}

.stack__tab {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.55rem;
  align-items: baseline;
  width: 100%;
  text-align: left;
  padding: 0.55rem 0.45rem;
  border: none;
  border-left: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.stack__tab:hover { color: var(--ink); }

.stack__tab.is-active {
  color: var(--ink);
  border-left-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.stack__idx {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--accent);
}

.stack__tab-label {
  font-weight: 600;
  font-size: 0.92rem;
}

.stack__stage {
  min-height: 22rem;
  position: relative;
}

.stack__panel {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.stack__panel.is-active {
  opacity: 1;
  transform: none;
}

.stack__panel[hidden] {
  display: none;
}

.stack__role {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.stack__panel h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
}

.stack__lede {
  margin: 0 0 1.35rem;
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 36rem;
}

.stack__families {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.stack__families > div {
  display: grid;
  gap: 0.25rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
}

.stack__families dt {
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink);
}

.stack__families dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  max-width: 38rem;
}

/* Sunwave visual catalog browser */
.catalog-browser {
  background:
    radial-gradient(ellipse 70% 60% at 100% 0%, color-mix(in srgb, var(--sunwave) 14%, transparent), transparent 70%),
    color-mix(in srgb, var(--plane) 70%, transparent);
}

.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.9rem;
  margin: 1.5rem 0 1.25rem;
}

.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.catalog-filter {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: 0.5rem 0.75rem;
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}

.catalog-filter:hover,
.catalog-filter.is-active {
  border-color: var(--sunwave);
  color: var(--ink);
  background: color-mix(in srgb, var(--sunwave) 16%, transparent);
}

.catalog-summary {
  align-self: center;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.catalog-card {
  display: grid;
  gap: 0.7rem;
  min-height: 13rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--plane) 92%, transparent);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.catalog-card:hover {
  border-color: color-mix(in srgb, var(--sunwave) 56%, var(--line));
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.catalog-card__top,
.catalog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.catalog-card__category,
.catalog-card__status {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.catalog-card__category {
  color: var(--sunwave);
}

.catalog-card__status {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem 0.45rem;
  color: var(--muted);
}

.catalog-card__status[data-status="vendor_qualified"] {
  border-color: #5e9f82;
  color: #8fd0b0;
}

.catalog-card__status[data-status="sourceable_on_request"] {
  border-color: #c9a25b;
  color: #e7c681;
}

.catalog-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.catalog-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.catalog-card__footer {
  align-self: end;
  margin-top: auto;
  padding-top: 0.35rem;
  border-top: 1px solid var(--line);
}

.catalog-card__footer a {
  color: var(--accent);
  font-size: 0.83rem;
  font-weight: 600;
  text-decoration: none;
}

.catalog-card__footer a:hover {
  text-decoration: underline;
}

.catalog-empty {
  grid-column: 1 / -1;
  padding: 2rem;
  border: 1px dashed var(--line);
  color: var(--muted);
  text-align: center;
}

.surface-card--text .surface-card__media {
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(circle at 80% 20%, color-mix(in srgb, var(--cel) 32%, transparent), transparent 55%),
    var(--bg);
}

.surface-card--text .surface-card__media strong {
  color: var(--cel);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.05em;
}

.surface-card--text .surface-card__media span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.continue {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  justify-content: space-between;
}

.continue p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-direct {
  font-size: 1.15rem;
  margin: 0 0 1.5rem;
}

.form {
  display: grid;
  gap: 0.9rem;
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.form input,
.form textarea,
.form select {
  font: inherit;
  color: var(--ink);
  background: var(--plane);
  border: 1px solid var(--line);
  padding: 0.7rem 0.8rem;
}

.form select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 55%, calc(100% - 12px) 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2rem;
}

.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

.form__note {
  color: var(--accent);
  margin: 0;
}

.opsec {
  margin: 1.75rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 1.75rem 1.5rem 2.25rem;
}

.footer__inner {
  max-width: 52rem;
  margin: 0 auto;
  display: grid;
  gap: 0.75rem;
}

.footer img { width: 120px; opacity: 0.9; }
.footer p { margin: 0; color: var(--muted); font-size: 0.85rem; }

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.15rem;
}

.footer__links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
}

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

.js .hero__copy,
.js .page-hero__copy {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.js body.ready .hero__copy,
.js body.ready .page-hero__copy {
  opacity: 1;
  transform: none;
}

@keyframes drift {
  from { transform: scale(1.02) translate3d(0, 0, 0); }
  to { transform: scale(1.06) translate3d(-1.2%, 1%, 0); }
}

@media (max-width: 960px) {
  .nav__links { gap: 0.25rem 0.85rem; }
  .nav__links a { font-size: 0.84rem; }
}

@media (max-width: 800px) {
  .path-ribbon {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .flow { grid-template-columns: 1fr; gap: 1.75rem; }
  .stack {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .stack__rail {
    position: static;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0.25rem;
    padding-bottom: 0.35rem;
    -webkit-overflow-scrolling: touch;
  }
  .stack__tab {
    grid-template-columns: auto;
    min-width: max-content;
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 0.45rem 0.7rem;
  }
  .stack__tab.is-active {
    border-left-color: transparent;
    border-bottom-color: var(--accent);
  }
  .stack__idx { display: none; }
  .nav__toggle { display: flex; }
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    right: 1rem;
    left: 1rem;
    flex-direction: column;
    gap: 0;
    background: var(--plane);
    border: 1px solid var(--line);
    padding: 0.5rem;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a {
    padding: 0.75rem;
    box-shadow: none;
  }
  .nav__links a[aria-current="page"] {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
  }
  .hero { align-items: center; min-height: 78vh; }
  .page-hero { min-height: 58vh; align-items: center; }
  .service-card {
    display: grid;
    gap: 1rem;
  }
  .related-layer {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
  .path__item {
    grid-template-columns: 2.5rem 1fr;
    grid-template-rows: auto auto;
  }
  .path__go {
    grid-column: 2;
    padding-top: 0.15rem;
  }
  .surfaces { grid-template-columns: 1fr; }
}