.hero {
  position: relative;
  min-height: calc(100svh - var(--nav-height));
  overflow: hidden;
  display: grid;
  align-content: space-between;
  background: #090b0a;
  color: #f0f2ed;
  isolation: isolate;
}

.hero-signal,
.hero-signal picture,
.hero-signal img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-signal {
  z-index: -1;
  pointer-events: none;
}

.hero-signal img {
  object-fit: cover;
  object-position: center;
  opacity: 0.76;
  transform: scale(1.035);
  animation: signal-breathe 18s var(--ease) infinite alternate;
}

.hero-layout {
  min-height: calc(100svh - var(--nav-height) - 74px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 170px;
  gap: 72px;
  align-items: center;
  padding-block: clamp(72px, 10vw, 140px);
}

.hero-copy {
  max-width: 920px;
}

.hero .eyebrow {
  color: #8e9991;
}

.hero h1 {
  max-width: 9.4ch;
  text-wrap: balance;
}

.hero-intro {
  max-width: 590px;
  margin-top: 32px;
  color: #aab2ac;
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.52;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 25px;
  margin-top: 40px;
}

.hero .button {
  min-height: 48px;
  padding-inline: 20px;
}

.hero .text-link {
  color: #e8ece7;
}

.hero-index {
  align-self: end;
  padding: 0 0 16px 18px;
  border-left: 1px solid #3d463f;
}

.hero-index > span {
  color: var(--signal);
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 320;
  letter-spacing: -0.06em;
}

.hero-index p {
  max-width: 110px;
  margin-top: 13px;
  color: #d0d5d1;
  font-size: 12px;
  line-height: 1.4;
}

.hero-index small {
  display: block;
  margin-top: 32px;
  color: #68726a;
  font-size: 9px;
  letter-spacing: 0.12em;
  line-height: 1.6;
  text-transform: uppercase;
}

.hero-footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-height: 74px;
  align-items: center;
  border-top: 1px solid #262c28;
  color: #7f8982;
  font-size: 9px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-footer span:not(:first-child) {
  padding-left: 26px;
  border-left: 1px solid #262c28;
}

@keyframes signal-breathe {
  from {
    opacity: 0.65;
    transform: scale(1.035) translate3d(0, 0, 0);
  }

  to {
    opacity: 0.84;
    transform: scale(1.075) translate3d(-0.7%, 0.4%, 0);
  }
}

.editorial-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(40px, 7vw, 112px);
}

.editorial-heading .eyebrow {
  margin-top: 12px;
}

.editorial-heading h2 {
  max-width: 860px;
}

.capability-list {
  margin-top: clamp(76px, 11vw, 136px);
  border-top: 1px solid var(--line-strong);
}

.capability {
  display: grid;
  grid-template-columns: 70px minmax(180px, 0.7fr) minmax(280px, 1.15fr) 150px;
  gap: 32px;
  align-items: start;
  padding: 36px 0 42px;
  border-bottom: 1px solid var(--line);
  transition:
    border-color 220ms var(--ease),
    transform 300ms var(--ease);
}

.capability:hover {
  border-color: var(--signal);
  transform: translateX(6px);
}

.capability-number,
.capability-state {
  color: var(--ink-tertiary);
  font-size: 10px;
  font-weight: 680;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.capability h3 {
  font-size: clamp(28px, 3.6vw, 46px);
}

.capability p {
  max-width: 500px;
  color: var(--ink-secondary);
  font-size: 16px;
}

.capability-state {
  padding-top: 8px;
  text-align: right;
}

.route {
  background: var(--surface);
}

.route-grid {
  display: grid;
  grid-template-columns: minmax(330px, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(60px, 10vw, 150px);
  align-items: start;
}

.route-copy {
  position: sticky;
  top: 124px;
}

.route-copy h2 {
  max-width: 640px;
}

.route-sequence {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: route;
}

.route-sequence li {
  min-height: 142px;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  align-items: start;
  padding: 32px 0 38px;
  border-top: 1px solid var(--line);
  counter-increment: route;
}

.route-sequence li:first-child {
  border-color: var(--line-strong);
}

.route-sequence li::before {
  content: '0' counter(route);
  grid-column: 1 / -1;
  color: var(--signal);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.route-sequence span {
  font-family: var(--font-display);
  font-size: 25px;
  font-weight: 570;
  letter-spacing: -0.035em;
}

.route-sequence p {
  max-width: 380px;
  color: var(--ink-secondary);
}

.connections {
  background: var(--page);
}

.connections-heading {
  grid-template-columns: minmax(180px, 0.34fr) minmax(340px, 0.8fr) minmax(260px, 0.52fr);
}

.connections-heading p:last-child {
  max-width: 420px;
  padding-top: 12px;
  color: var(--ink-secondary);
}

.connection-register {
  margin-top: clamp(72px, 10vw, 124px);
  border-top: 1px solid var(--line-strong);
}

.connection-row {
  display: grid;
  grid-template-columns: minmax(230px, 0.72fr) minmax(320px, 1fr) 150px;
  gap: 32px;
  align-items: center;
  min-height: 104px;
  border-bottom: 1px solid var(--line);
}

.connection-row > div {
  display: flex;
  align-items: center;
  gap: 18px;
}

.connection-glyph {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--signal);
  font-family: var(--font-display);
  font-size: 13px;
}

.connection-row strong {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 590;
}

.connection-row p {
  color: var(--ink-secondary);
  font-size: 14px;
}

.connection-mode {
  color: var(--ink-tertiary);
  font-size: 9px;
  letter-spacing: 0.13em;
  text-align: right;
  text-transform: uppercase;
}

.connection-flow {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 44px;
  color: var(--ink-tertiary);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.connection-flow i {
  width: clamp(24px, 6vw, 84px);
  height: 1px;
  background: var(--line-strong);
}

.schedule {
  background: var(--surface);
}

.schedule-grid {
  display: grid;
  grid-template-columns: minmax(420px, 1.22fr) minmax(300px, 0.78fr);
  gap: clamp(64px, 11vw, 170px);
  align-items: center;
}

.schedule-example {
  position: relative;
  padding: 42px 0 25px 56px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.prompt-mark {
  position: absolute;
  left: 0;
  top: 37px;
  color: var(--signal);
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 300;
  line-height: 1;
}

.schedule-example blockquote {
  margin: 0;
  max-width: 690px;
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 58px);
  font-weight: 470;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.schedule-status {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 44px;
  color: var(--ink-tertiary);
  font-size: 9px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.schedule-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 12px color-mix(in srgb, var(--signal) 70%, transparent);
  animation: status-pulse 2.6s var(--ease) infinite;
}

@keyframes status-pulse {
  50% {
    opacity: 0.4;
    transform: scale(0.78);
  }
}

.schedule-copy h2 {
  max-width: 420px;
}

.schedule-copy > p:last-child {
  max-width: 440px;
  margin-top: 28px;
  color: var(--ink-secondary);
  font-size: 17px;
}

.research {
  background: var(--page);
}

.research-grid {
  display: grid;
  grid-template-columns: minmax(250px, 0.52fr) minmax(480px, 1fr);
  gap: clamp(70px, 12vw, 180px);
  align-items: start;
}

.research-label {
  min-height: 168px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.research-label span {
  color: var(--signal);
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: -0.02em;
}

.research-copy h2 {
  max-width: 720px;
}

.research-copy > p {
  max-width: 680px;
  margin-top: 34px;
  color: var(--ink-secondary);
  font-size: 18px;
}

.research-facts {
  margin: 64px 0 0;
  border-top: 1px solid var(--line-strong);
}

.research-facts div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.research-facts dt,
.research-facts dd {
  margin: 0;
  font-size: 12px;
}

.research-facts dt {
  color: var(--ink-tertiary);
}

.research-facts dd {
  color: var(--ink);
}

.research-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 34px;
}

.closing {
  position: relative;
  overflow: hidden;
  padding-block: clamp(132px, 18vw, 250px);
  border-top: 1px solid var(--line);
  background: #090b0a;
  color: #eff1ed;
  isolation: isolate;
}

.closing-signal {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: url('/assets/sia-signal.webp') center / cover no-repeat;
  opacity: 0.36;
  transform: scaleX(-1) scale(1.15);
}

.closing-layout {
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) minmax(420px, 1fr);
  gap: 44px clamp(42px, 7vw, 110px);
  align-items: start;
}

.closing-layout .eyebrow {
  margin-top: 12px;
  color: #77817a;
}

.closing-layout h2 {
  max-width: 820px;
}

.closing-layout > p:not(.eyebrow),
.closing-layout .button {
  grid-column: 2;
}

.closing-layout > p:not(.eyebrow) {
  max-width: 580px;
  color: #aab2ac;
  font-size: 18px;
}

.closing-layout .button {
  width: fit-content;
  margin-top: 4px;
}

@media (max-width: 900px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1fr) 130px;
    gap: 36px;
  }

  .editorial-heading,
  .connections-heading,
  .route-grid,
  .schedule-grid,
  .research-grid,
  .closing-layout {
    grid-template-columns: 1fr;
  }

  .editorial-heading .eyebrow,
  .closing-layout .eyebrow {
    margin-top: 0;
  }

  .capability {
    grid-template-columns: 48px minmax(150px, 0.7fr) minmax(260px, 1.15fr);
  }

  .capability-state {
    display: none;
  }

  .route-copy {
    position: static;
  }

  .connection-row {
    grid-template-columns: minmax(210px, 0.7fr) minmax(280px, 1fr);
  }

  .connection-mode {
    display: none;
  }

  .closing-layout > p:not(.eyebrow),
  .closing-layout .button {
    grid-column: auto;
  }
}

@media (max-width: 680px) {
  .hero {
    min-height: calc(100svh - var(--nav-height));
  }

  .hero-signal img {
    object-position: 58% center;
    opacity: 0.54;
  }

  .hero-layout {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-block: 92px 80px;
  }

  .hero-index {
    display: none;
  }

  .hero-footer {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-block: 24px;
  }

  .hero-footer span:not(:first-child) {
    padding-left: 0;
    border-left: 0;
  }

  .capability {
    grid-template-columns: 38px 1fr;
    gap: 13px 18px;
  }

  .capability p {
    grid-column: 2;
  }

  .route-sequence li {
    grid-template-columns: 90px 1fr;
  }

  .connection-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-block: 24px;
  }

  .connection-flow {
    display: grid;
    grid-template-columns: auto 1fr;
  }

  .connection-flow i {
    width: 100%;
  }

  .schedule-example {
    padding-left: 36px;
  }

  .research-facts div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-signal img,
  .schedule-status i {
    animation: none;
  }
}