:root {
  color-scheme: dark;
  --bg: #07191c;
  --panel: #0d262a;
  --line: #26454b;
  --muted: #a9c0c1;
  --teal: #00a0a0;
  --lime: #d7fc79;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: #f2f6ee;
  font:
    15px/1.55 system-ui,
    sans-serif;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
select,
textarea {
  outline-offset: 4px;
}
button {
  cursor: pointer;
  color: inherit;
  background: transparent;
  border: 1px solid #547073;
  border-radius: 5px;
  padding: 11px 16px;
}
button:hover {
  background: #234246;
}
button:disabled {
  opacity: 0.45;
  cursor: default;
}
.primary {
  color: #10211b;
  background: var(--lime);
  border-color: var(--lime);
  font-weight: 650;
}
.primary:hover {
  background: #c2e663;
}
header {
  padding: 20px 5%;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: block;
  width: 155px;
  height: 76px;
  overflow: hidden;
}
.brand img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.header-note {
  font-size: 11px;
  letter-spacing: 2px;
}
.header-note span {
  display: block;
  color: var(--muted);
  margin-top: 5px;
}
main {
  max-width: 1560px;
  margin: auto;
  padding: 38px 5% 0;
}
.eyebrow {
  letter-spacing: 2px;
  font-size: 11px;
  color: var(--lime);
  font-weight: 650;
}
h1 {
  font-size: clamp(38px, 4.3vw, 67px);
  line-height: 1.08;
  letter-spacing: -2px;
  font-weight: 480;
  margin: 18px 0;
}
h1 em {
  font-style: normal;
  color: var(--lime);
}
.lede {
  font-size: 18px;
  color: var(--muted);
  max-width: 800px;
}
.scope {
  display: flex;
  gap: 25px;
  margin: 25px 0 32px;
  border-left: 3px solid var(--teal);
  padding: 8px 18px;
  max-width: 1000px;
}
.scope strong {
  white-space: nowrap;
}
.scope span {
  color: var(--muted);
}
nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
  overflow: auto;
  margin-bottom: 25px;
}
nav button {
  border: none;
  border-radius: 0;
  white-space: nowrap;
  padding: 17px 20px;
  color: var(--muted);
}
nav button.active {
  border-bottom: 3px solid var(--lime);
  color: var(--lime);
  background: #102c2f;
}
.panel {
  display: none;
}
.panel.active {
  display: block;
}
.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
}
.viewer {
  position: relative;
  min-height: 640px;
  background: radial-gradient(ellipse at 50% 40%, #163b40, #081d22 75%);
  border: 1px solid var(--line);
  border-radius: 9px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
canvas {
  width: 100%;
  height: 550px;
  display: block;
  touch-action: none;
  cursor: grab;
}
.viewer-head,
.viewer-foot {
  display: flex;
  justify-content: space-between;
  padding: 18px 22px;
  gap: 16px;
  color: var(--muted);
  font-size: 11px;
}
.viewer-head {
  letter-spacing: 1px;
}
.viewer-foot {
  align-items: center;
  margin-top: auto;
}
aside,
article {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 25px;
  border-radius: 8px;
}
h2 {
  font-size: 30px;
  line-height: 1.2;
  font-weight: 500;
  margin: 5px 0 18px;
}
h3 {
  font-size: 21px;
  font-weight: 550;
  margin: 0 0 15px;
}
p {
  margin: 0 0 17px;
}
aside > p,
article > p {
  color: var(--muted);
}
label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin: 15px 0 10px;
}
input,
select,
textarea {
  display: block;
  width: 100%;
  background: #081b20;
  border: 1px solid #3a5d62;
  border-radius: 4px;
  color: white;
  padding: 11px;
  margin-top: 5px;
  min-width: 0;
}
input[type="file"] {
  font-size: 12px;
  padding: 10px;
}
textarea {
  min-height: 85px;
  resize: vertical;
}
.buttons {
  display: flex;
  gap: 10px;
}
.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 22px 0;
}
.metric {
  font-size: 11px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.metric strong {
  display: block;
  font-size: 23px;
  font-weight: 450;
  color: white;
}
.fine {
  font-size: 12px;
  color: var(--muted);
  margin: 15px 0;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 50px;
  margin: 35px 0;
}
.section-head > p {
  max-width: 520px;
  color: var(--muted);
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.cards.two {
  grid-template-columns: 1fr 1fr;
}
.cards button {
  margin: 8px 6px 5px 0;
}
a {
  color: var(--lime);
  display: block;
  margin: 12px 0;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.result {
  padding: 18px 0;
  margin: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  color: var(--lime);
  white-space: pre-line;
}
details {
  margin: 20px 0;
  border-top: 1px solid var(--line);
  padding-top: 15px;
}
summary {
  cursor: pointer;
  color: var(--lime);
  margin-bottom: 15px;
}
.path {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin: 30px 0;
  color: var(--muted);
}
.path b {
  color: var(--lime);
}
#status {
  padding: 18px 20px;
  background: #123238;
  border-left: 3px solid var(--lime);
  margin: 28px 0;
  min-height: 60px;
}
#status.error {
  border-color: #ffab84;
  color: #ffd0b9;
}
footer {
  border-top: 1px solid var(--line);
  padding: 30px 5%;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  margin-top: 25px;
}
dl {
  margin: 0;
}
dt {
  color: var(--muted);
  font-size: 12px;
}
dd {
  margin: 0 0 16px;
  overflow-wrap: anywhere;
}
#events {
  padding-left: 20px;
  max-height: 400px;
  overflow: auto;
  color: var(--muted);
  font-size: 12px;
}
#events li {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
@media (max-width: 1000px) {
  .workspace {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .scope {
    display: block;
  }
  .scope strong {
    display: block;
    margin-bottom: 8px;
  }
}
@media (max-width: 740px) {
  header {
    gap: 10px;
  }
  .header-note {
    display: none;
  }
  .brand {
    width: 120px;
    height: 62px;
  }
  main {
    padding-top: 22px;
  }
  .workspace,
  .cards.two {
    grid-template-columns: 1fr;
  }
  .viewer {
    min-height: 420px;
  }
  canvas {
    height: 350px;
  }
  .section-head {
    display: block;
    margin: 20px 0;
  }
  .path {
    flex-wrap: wrap;
  }
  .viewer-head {
    font-size: 9px;
    padding: 14px;
  }
  .scope {
    font-size: 13px;
  }
  footer {
    display: block;
  }
  footer span {
    display: block;
    margin-top: 8px;
  }
  nav button {
    padding: 14px 13px;
  }
  h1 {
    letter-spacing: -1px;
  }
}

.brand img {
  transform: scale(1.4);
}

.check {
  display: flex;
  align-items: start;
  gap: 10px;
}
.check input {
  width: auto;
  margin-top: 4px;
}
.demo-notice {
  border: 1px solid #a1b567;
  padding: 20px;
  margin: 20px 0;
  background: #20302a;
}
.demo-notice strong {
  color: var(--lime);
  letter-spacing: 1px;
  font-size: 12px;
}
.demo-notice p {
  margin: 8px 0 0;
  color: var(--muted);
}
.demo-controls {
  display: flex;
  align-items: end;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 25px;
}
.demo-controls label {
  min-width: 260px;
  flex: 1;
  margin: 0;
}
#demo-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 0;
  gap: 8px;
  margin: 24px 0;
}
#demo-steps li {
  padding: 13px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
#demo-steps .current {
  border-color: var(--lime);
  color: var(--lime);
}
#demo-steps .held {
  border-color: #ffab84;
  color: #ffceb7;
}
#demo-events {
  max-height: 410px;
  overflow: auto;
  padding-left: 22px;
}
#demo-events li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
#demo-events p {
  color: var(--muted);
  margin: 6px 0;
}
.table-scroll {
  overflow: auto;
  margin: 20px 0;
}
.requirements {
  border-collapse: collapse;
  min-width: 850px;
  width: 100%;
  font-size: 12px;
}
.requirements td,
.requirements th {
  text-align: left;
  vertical-align: top;
  padding: 14px;
  border: 1px solid var(--line);
}
.requirements th {
  color: var(--lime);
  background: #173337;
}
.requirements td:nth-child(3) {
  width: 43%;
}
[hidden] {
  display: none !important;
}
@media (max-width: 740px) {
  #demo-steps {
    grid-template-columns: 1fr 1fr;
  }
  .demo-controls {
    align-items: stretch;
  }
  .demo-controls label {
    min-width: 100%;
  }
}

.architecture {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 22px 0 30px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}
.architecture div {
  border-left: 2px solid var(--teal);
  padding-left: 14px;
}
.architecture strong,
.architecture span {
  display: block;
}
.architecture span {
  font-size: 13px;
  color: var(--muted);
}
.primary-repository,
.validation-path {
  padding: 26px;
  margin: 22px 0 30px;
  border: 1px solid var(--teal);
  border-radius: 8px;
  background: linear-gradient(115deg, #133b3f, #0b2429);
}
.primary-repository label {
  max-width: 720px;
}
.primary-repository h3 {
  font-size: 28px;
  margin: 8px 0;
}
.construction-tools {
  margin-bottom: 34px;
}
nav {
  flex-wrap: wrap;
  overflow: visible;
}
nav button {
  white-space: nowrap;
}
.buttons a {
  align-self: center;
}
@media (max-width: 850px) {
  .architecture {
    grid-template-columns: 1fr 1fr;
  }
  .architecture a {
    font-size: 14px;
  }
}
@media (max-width: 520px) {
  .architecture {
    grid-template-columns: 1fr;
  }
  nav button {
    flex: 1 0 42%;
    font-size: 12px;
  }
  .primary-repository,
  .validation-path {
    padding: 18px;
  }
}
/* V0.5: cinematic landing and a dedicated, fixed-navigation workbench. */
html {
  scroll-behavior: smooth;
}
body {
  background: #041317;
}
main {
  max-width: none;
  padding: 0;
  margin: 0;
}
.landing-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 5;
  padding: 18px 5%;
  border-bottom: 1px solid #ffffff16;
  background: linear-gradient(#041317b8, transparent);
}
.landing-header .brand {
  height: 70px;
  width: 145px;
}
.landing-header-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 13px;
}
.landing-header-links a {
  color: #c6d7d9;
  text-decoration: none;
}
.header-workbench {
  border-radius: 0;
  background: #ffffff05;
  padding: 13px 20px;
}
.header-workbench span {
  margin-left: 20px;
  color: var(--lime);
}
.science-hero {
  position: relative;
  isolation: isolate;
  min-height: 850px;
  min-height: max(760px, 100svh);
  overflow: hidden;
  background: radial-gradient(
    ellipse at 76% 50%,
    #0d333d 0,
    #061c25 32%,
    #030d13 75%
  );
}
.hero-atmosphere {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      #030e16 2%,
      #030e16f5 25%,
      #030e1680 52%,
      transparent 72%
    ),
    linear-gradient(0deg, #041317 0, transparent 28%);
  z-index: 1;
  pointer-events: none;
}
#discovery-scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.95;
}
.hero-copy {
  position: relative;
  z-index: 2;
  width: min(760px, 60%);
  padding: 210px 0 185px;
  margin-left: 6%;
  pointer-events: none;
}
.hero-copy a,
.hero-copy button {
  pointer-events: auto;
}
.hero-copy .eyebrow {
  font-size: 10px;
  letter-spacing: 3.5px;
  color: #b6d2d3;
  margin-bottom: 32px;
}
.hero-copy h1 {
  font-size: clamp(58px, 6.4vw, 106px);
  font-weight: 440;
  letter-spacing: -4px;
  line-height: 1.04;
  margin: 0 0 26px;
  color: #f4f8ed;
}
.hero-copy h1 em {
  color: var(--lime);
}
.hero-lede {
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.4;
  color: #e1eaeb;
  margin: 0 0 20px;
}
.hero-description {
  font-size: 15px;
  line-height: 1.7;
  color: #a1bbc0;
  max-width: 440px;
}
.hero-actions {
  display: flex;
  gap: 25px;
  align-items: center;
  margin-top: 32px;
  flex-wrap: wrap;
}
.hero-cta {
  padding: 17px 22px;
  border-radius: 0;
  min-width: 230px;
  display: flex;
  justify-content: space-between;
  gap: 28px;
}
.hero-cta span {
  font-size: 22px;
  line-height: 1;
}
.overview-link {
  color: #c2d7d8;
  font-size: 12px;
  text-decoration: none;
  border-bottom: 1px solid #718c8e;
  padding: 10px 0;
}
.overview-link span {
  margin-left: 14px;
}
.hero-boundary {
  font-size: 11px;
  line-height: 1.6;
  max-width: 410px;
  color: #86a4aa;
  margin-top: 25px;
}
.motion-button {
  position: absolute;
  right: 5%;
  top: 140px;
  z-index: 3;
  font-size: 11px;
  padding: 10px 14px;
  border-radius: 0;
  border-color: #526b7180;
  background: #071a2390;
}
.hero-visual-caption {
  position: absolute;
  right: 8%;
  bottom: 170px;
  z-index: 2;
  font-size: 9px;
  letter-spacing: 2px;
  color: #bed5d7;
}
.hero-visual-caption small {
  display: block;
  margin-top: 8px;
  font-size: 10px;
  letter-spacing: 0.2px;
  color: #78989f;
}
.live-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
  margin-right: 8px;
}
.hero-bottom {
  position: absolute;
  z-index: 2;
  bottom: 36px;
  left: 6%;
  right: 6%;
  border-top: 1px solid #9dc2ca30;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #8da8af;
  font-size: 9px;
  letter-spacing: 2px;
}
.landing-architecture {
  padding: 45px 6% 50px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  background: #071a1f;
  border-top: 1px solid #2a484e;
}
.landing-architecture > div {
  position: relative;
  border-left: 1px solid #36545c;
  padding-left: 22px;
}
.landing-architecture strong {
  display: block;
  font-size: 14px;
  letter-spacing: 1px;
}
.landing-architecture p {
  font-size: 13px;
  color: #91adb4;
  margin: 10px 0 0;
}
.component-index {
  float: right;
  color: #3d666e;
  font-size: 12px;
}
body[data-view="workbench"] .landing-header {
  display: none;
}
#workbench {
  min-height: calc(100svh - 90px);
}
.workbench-dock {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #07191cf7;
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 25px #0004;
}
.workbench-toolbar {
  max-width: 1560px;
  margin: auto;
  padding: 13px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.workbench-toolbar > div {
  display: flex;
  gap: 15px;
  align-items: center;
}
.workbench-toolbar strong {
  font-size: 15px;
}
.workbench-toolbar span {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 1px;
}
.workbench-toolbar button {
  font-size: 12px;
  padding: 9px 12px;
}
.workbench-dock nav {
  max-width: 1560px;
  margin: 0 auto;
  border: 0;
  padding: 0 5%;
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
}
.workbench-dock nav button {
  flex: 0 0 auto;
  font-size: 12px;
  padding: 15px 19px;
}
.workbench-content {
  max-width: 1560px;
  margin: auto;
  padding: 22px 5% 35px;
}
.workbench-notice {
  font-size: 11px;
  color: var(--muted);
  margin: 0 0 26px;
  border-left: 2px solid var(--teal);
  padding: 7px 12px;
}
.workbench-content .panel {
  scroll-margin-top: 145px;
}
.workbench-content .section-head {
  margin-top: 16px;
}
footer {
  border-top: 1px solid var(--line);
  margin-top: 0;
  background: #041317;
}
@media (max-width: 1000px) {
  .hero-copy {
    width: 68%;
    padding-top: 195px;
  }
  .hero-copy h1 {
    font-size: 74px;
  }
  .hero-visual-caption {
    right: 5%;
    bottom: 130px;
  }
  .workbench-dock nav button {
    padding: 15px 14px;
  }
  .workbench-toolbar > div span {
    display: none;
  }
}
@media (max-width: 740px) {
  .landing-header {
    padding: 14px 6%;
    gap: 15px;
  }
  .landing-header .brand {
    width: 120px;
    height: 58px;
  }
  .landing-header-links > a {
    display: none;
  }
  .header-workbench {
    font-size: 11px;
    padding: 10px 12px;
  }
  .header-workbench span {
    margin-left: 8px;
  }
  .science-hero {
    min-height: 850px;
  }
  .hero-copy {
    width: 88%;
    margin-left: 6%;
    padding: 200px 0 170px;
  }
  .hero-copy h1 {
    font-size: clamp(52px, 10vw, 74px);
    letter-spacing: -2px;
  }
  .hero-copy .eyebrow {
    font-size: 8px;
    letter-spacing: 2px;
  }
  .hero-description {
    max-width: 345px;
    font-size: 14px;
  }
  .hero-atmosphere {
    background:
      linear-gradient(90deg, #030e16ef, #030e1680),
      linear-gradient(0deg, #041317, transparent 50%);
  }
  .motion-button {
    top: 106px;
    right: 6%;
    font-size: 10px;
  }
  .hero-visual-caption {
    display: none;
  }
  .hero-bottom {
    font-size: 8px;
    letter-spacing: 1px;
    bottom: 25px;
  }
  .hero-bottom span:last-child {
    display: none;
  }
  .landing-architecture {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 32px 6%;
  }
  .landing-architecture p br {
    display: none;
  }
  .workbench-toolbar {
    padding: 10px 5%;
    gap: 8px;
  }
  .workbench-toolbar > div strong {
    font-size: 12px;
  }
  .workbench-toolbar button {
    font-size: 10px;
    padding: 8px;
  }
  .workbench-toolbar #back-home {
    max-width: 125px;
  }
  .workbench-dock nav {
    padding: 0 3%;
  }
  .workbench-dock nav button {
    flex: 0 0 auto;
    font-size: 11px;
    padding: 13px;
  }
  .workbench-content {
    padding-top: 18px;
  }
  .hero-actions {
    gap: 18px;
  }
  .hero-boundary {
    max-width: 320px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Institutional research coordination. */
.sdbb-research {
  padding: 90px 6%;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 45px;
  background: radial-gradient(ellipse at 85% 20%, #123239, #041317 65%);
  border-top: 1px solid var(--line);
}
.sdbb-intro {
  align-self: center;
  max-width: 560px;
}
.sdbb-intro .eyebrow {
  color: var(--teal);
  font-size: 10px;
  letter-spacing: 2px;
}
.sdbb-intro h2 {
  font-size: clamp(36px, 4vw, 62px);
  line-height: 1.1;
  letter-spacing: -2px;
  margin: 22px 0;
}
.sdbb-intro h2 em {
  color: var(--lime);
  font-style: normal;
}
.sdbb-intro p {
  color: #a8c2c6;
  font-size: 15px;
  line-height: 1.8;
}
.sdbb-intro a {
  display: inline-block;
  margin-top: 10px;
}
.sdbb-device {
  margin: 0;
  align-self: center;
  border: 1px solid #31555b;
  background: #04090b;
  border-radius: 8px;
  overflow: hidden;
}
.sdbb-device-label {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 17px 20px;
  border-bottom: 1px solid #26464d;
  color: #a6c3c5;
  font-size: 9px;
  letter-spacing: 1.5px;
}
.sdbb-device-label span:last-child {
  color: var(--lime);
}
.sdbb-device img {
  display: block;
  width: 100%;
  height: auto;
}
.sdbb-device figcaption {
  padding: 14px 20px;
  color: #8cabb0;
  font-size: 11px;
  border-top: 1px solid #26464d;
}
.sdbb-roles {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 25px;
  scroll-margin-top: 20px;
}
.sdbb-roles article {
  padding: 25px;
  border: 1px solid #29464c;
  background: #0b2025;
  border-radius: 5px;
}
.sdbb-roles .component-index {
  float: none;
  display: block;
  color: var(--teal);
  font-size: 10px;
  letter-spacing: 1px;
}
.sdbb-roles h3 {
  font-size: 20px;
  margin: 17px 0 12px;
}
.sdbb-roles p {
  font-size: 14px;
  line-height: 1.75;
  color: #a8c2c6;
  margin: 0;
}
.sdbb-boundary {
  grid-column: 1/-1;
  border-left: 2px solid var(--lime);
  padding-left: 24px;
  max-width: 1100px;
}
.sdbb-boundary p {
  font-size: 13px;
  line-height: 1.8;
  color: #93b1b7;
}
.sdbb-boundary strong {
  color: #d6e5e5;
}
.sdbb-boundary button {
  margin-top: 10px;
}
@media (max-width: 850px) {
  .sdbb-research {
    grid-template-columns: 1fr;
    padding: 55px 6%;
    gap: 30px;
  }
  .sdbb-intro {
    max-width: none;
  }
  .sdbb-device {
    max-width: 680px;
  }
  .sdbb-roles {
    grid-template-columns: 1fr;
  }
  .sdbb-intro h2 {
    letter-spacing: -1px;
  }
  .sdbb-device-label {
    font-size: 8px;
    padding: 14px;
  }
  .sdbb-boundary {
    padding-left: 17px;
  }
}