:root {
  --ink: #102238;
  --navy: #0b1f36;
  --cyan: #00b8c8;
  --cyan2: #69e3e7;
  --teal: #087f7b;
  --gold: #d7a94c;
  --paper: #f5f7f8;
  --white: #fff;
  --muted: #5d6b78;
  --line: #d7e0e5;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(12, 35, 54, 0.12);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font:
    16px/1.65 Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
}
a {
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  background: #fff;
  padding: 12px 18px;
  z-index: 100;
  border-radius: 10px;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  height: 76px;
  display: flex;
  align-items: center;
  padding: 0 clamp(18px, 4vw, 64px);
  gap: 28px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
  margin-right: auto;
}
.brand img {
  border-radius: 12px;
}
.brand span {
  display: grid;
  line-height: 1.05;
}
.brand strong {
  letter-spacing: 0.08em;
}
.brand small {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--teal);
  margin-top: 6px;
}
.primary-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.primary-nav a {
  text-decoration: none;
  font-weight: 720;
  font-size: 0.88rem;
}
.primary-nav a:hover,
.primary-nav a:focus {
  color: var(--teal);
}
.nav-external {
  color: var(--teal);
}
.language {
  display: flex;
  border: 1px solid var(--line);
  padding: 3px;
  border-radius: 999px;
}
.language button {
  border: 0;
  background: transparent;
  border-radius: 999px;
  padding: 7px 9px;
  font-weight: 800;
  color: var(--muted);
  cursor: pointer;
}
.language button[aria-pressed="true"] {
  background: var(--navy);
  color: #fff;
}
.menu-button {
  display: none;
}
.status-strip {
  min-height: 36px;
  padding: 6px clamp(18px, 4vw, 64px);
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--navy);
  color: #c6d8e7;
  font:
    700 0.67rem/1.3 ui-monospace,
    SFMono-Regular,
    Consolas,
    monospace;
  letter-spacing: 0.08em;
  overflow: auto;
  white-space: nowrap;
}
.status-strip span:first-child i {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6fe0a9;
  box-shadow: 0 0 0 5px rgba(111, 224, 169, 0.12);
  margin-right: 8px;
}
.status-strip b {
  color: #fff;
}
.hero {
  position: relative;
  min-height: calc(100svh - 112px);
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
  color: #fff;
}
.hero-cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(7, 24, 44, 0.98) 0%,
    rgba(7, 24, 44, 0.88) 38%,
    rgba(7, 24, 44, 0.25) 72%,
    rgba(7, 24, 44, 0.04) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, 88vw);
  margin-left: clamp(20px, 6vw, 100px);
  padding: 100px 0;
}
.eyebrow {
  font:
    800 0.72rem/1.4 ui-monospace,
    SFMono-Regular,
    Consolas,
    monospace;
  letter-spacing: 0.15em;
  color: var(--cyan);
  text-transform: uppercase;
}
.hero h1 {
  font:
    760 clamp(3rem, 6vw, 6.4rem)/1.06 "Segoe UI",
    Arial,
    "Noto Sans",
    sans-serif;
  letter-spacing: -0.022em;
  margin: 0.22em 0;
}
.lead {
  font-size: clamp(1.05rem, 1.7vw, 1.34rem);
  color: #dbe6ee;
  max-width: 720px;
}
.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 13px 20px;
  font-weight: 850;
}
.button.primary {
  background: var(--cyan);
  color: #062238;
}
.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
}
.text-link {
  font-weight: 800;
  padding: 12px;
}
.orbit {
  position: absolute;
  right: 6vw;
  bottom: 7vh;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(105, 227, 231, 0.4);
  border-radius: 50%;
  animation: spin 22s linear infinite;
}
.orbit:before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px dashed rgba(215, 169, 76, 0.5);
  border-radius: 50%;
}
.orbit span {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan2);
  box-shadow: 0 0 24px var(--cyan2);
}
.orbit span:nth-child(1) {
  left: 22px;
  top: 35px;
}
.orbit span:nth-child(2) {
  right: 9px;
  top: 87px;
  background: var(--gold);
}
.orbit span:nth-child(3) {
  left: 72px;
  bottom: -6px;
}
.section {
  padding: clamp(80px, 10vw, 150px) clamp(20px, 6vw, 96px);
}
.section-head {
  max-width: 820px;
  margin-bottom: 48px;
}
.section h2 {
  font:
    720 clamp(2.3rem, 4.5vw, 4.8rem)/1.08 "Segoe UI",
    Arial,
    "Noto Sans",
    sans-serif;
  letter-spacing: -0.022em;
  margin: 0.2em 0;
}
.section-head > p:last-child {
  font-size: 1.08rem;
  color: var(--muted);
}
.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.app-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 12px 40px rgba(16, 34, 56, 0.05);
  transition:
    transform 0.25s,
    box-shadow 0.25s;
}
.app-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.app-icon {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  font: 900 1.35rem Georgia;
  color: #071a2e;
  margin-bottom: 22px;
}
.app-icon.yellow {
  background: #f4cc63;
}
.app-icon.coral {
  background: #ff8f7f;
}
.app-icon.cyan {
  background: var(--cyan2);
}
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.badges span {
  font:
    800 0.58rem/1.2 ui-monospace,
    monospace;
  letter-spacing: 0.05em;
  border: 1px solid var(--line);
  padding: 5px 7px;
  border-radius: 999px;
  color: var(--muted);
}
.app-card h3 {
  font-size: 1.45rem;
  margin: 18px 0 8px;
}
.app-card > p {
  color: var(--muted);
  min-height: 104px;
}
.app-card dl {
  border-top: 1px solid var(--line);
  margin: 20px 0;
}
.app-card dl div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.app-card dt {
  font-weight: 850;
}
.app-card dd {
  margin: 0;
  color: var(--muted);
}
.app-card > a {
  font-weight: 850;
  color: var(--teal);
}
.problems {
  background: #fff;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.problem-grid article {
  background: #fff;
  padding: 36px;
}
.problem-grid span {
  font:
    800 0.75rem ui-monospace,
    monospace;
  color: var(--teal);
}
.problem-grid h3 {
  font: 650 1.55rem/1.25 "Segoe UI", Arial, "Noto Sans", sans-serif;
  margin: 18px 0 10px;
}
.problem-grid p {
  color: var(--muted);
}
.workflow {
  background: var(--navy);
  color: #fff;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 8vw;
}
.workflow-copy p:not(.eyebrow) {
  color: #c8d7e4;
}
.boundary {
  border-left: 3px solid var(--cyan);
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.05);
  margin-top: 30px;
}
.boundary p {
  margin: 0.3em 0;
}
.flow-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
}
.flow-steps li {
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: center;
  gap: 18px;
  padding: 21px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  position: relative;
}
.flow-steps li:after {
  content: "";
  position: absolute;
  left: 27px;
  bottom: -22px;
  width: 1px;
  height: 22px;
  background: var(--cyan);
}
.flow-steps li:last-child:after {
  display: none;
}
.flow-steps span {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  font-weight: 900;
}
.flow-steps .human span {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}
.control-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.control-grid article {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 25px;
  background: #fff;
}
.line-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #e7fbfb;
  color: var(--teal);
  font-weight: 900;
}
.control-grid h3 {
  margin: 18px 0 8px;
}
.control-grid p {
  color: var(--muted);
}
.participate {
  padding-top: 20px;
}
.participate-panel {
  background: linear-gradient(135deg, #0b253e, #087f7b);
  color: #fff;
  border-radius: 32px;
  padding: clamp(32px, 6vw, 80px);
  box-shadow: var(--shadow);
}
.participate-panel h2 {
  max-width: 780px;
}
.pathways {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 40px;
}
.pathways a {
  display: grid;
  gap: 8px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 16px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
}
.pathways a:hover {
  background: rgba(255, 255, 255, 0.12);
}
.pathways b {
  font-size: 1.1rem;
}
.pathways span {
  color: #d5e6e9;
}
footer {
  padding: 56px clamp(20px, 6vw, 96px);
  background: #071729;
  color: #cbd8e4;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
footer a {
  color: #fff;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer-brand img {
  border-radius: 10px;
}
.footer-brand p {
  margin: 3px 0;
}
.disclosure {
  max-width: 720px;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
footer small {
  grid-column: 1/-1;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 20px;
}
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@media (max-width: 980px) {
  .menu-button {
    display: block;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 12px;
    padding: 9px 12px;
    font-weight: 800;
  }
  .primary-nav {
    display: none;
    position: absolute;
    top: 75px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px;
    box-shadow: 0 25px 50px rgba(10, 30, 48, 0.12);
    flex-direction: column;
    align-items: flex-start;
  }
  .primary-nav.open {
    display: flex;
  }
  .app-grid,
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .app-card > p {
    min-height: 0;
  }
  .workflow {
    grid-template-columns: 1fr;
  }
  .control-grid {
    grid-template-columns: 1fr 1fr;
  }
  .pathways {
    grid-template-columns: 1fr;
  }
  .hero-scrim {
    background: linear-gradient(
      90deg,
      rgba(7, 24, 44, 0.96),
      rgba(7, 24, 44, 0.7)
    );
  }
}
@media (max-width: 620px) {
  .site-header {
    padding: 0 14px;
    height: 70px;
    gap: 10px;
  }
  .brand small {
    display: none;
  }
  .language button {
    padding: 6px;
  }
  .status-strip {
    padding-left: 14px;
  }
  .hero {
    min-height: 760px;
  }
  .hero-content {
    margin: 0;
    padding: 86px 18px;
    width: auto;
  }
  .hero h1 {
    font-size: clamp(2.65rem, 13vw, 4.1rem);
  }
  .hero-cover {
    object-position: 66% center;
  }
  .orbit {
    display: none;
  }
  .section {
    padding: 76px 16px;
  }
  .app-card,
  .problem-grid article {
    padding: 24px;
  }
  .control-grid {
    grid-template-columns: 1fr;
  }
  footer {
    grid-template-columns: 1fr;
    padding: 42px 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .orbit {
    animation: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}