.frame {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(44px, 8svh, 72px);
  width: min(var(--frame-max), 100%);
  margin: 0 auto;
  padding: clamp(18px, 3svh, 32px) var(--frame-pad) clamp(56px, 9svh, 96px);
}

.identity {
  position: relative;
  display: grid;
  gap: 24px;
}

.identity-main {
  display: grid;
  gap: 10px;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
}

.identity-main h1 {
  margin: 4px 0 8px;
  font-size: clamp(3.6rem, 18vw, 5rem);
  font-weight: 780;
  line-height: 0.86;
  letter-spacing: -0.01em;
}

.role {
  font-size: 1.08rem;
  font-weight: 650;
  line-height: 1.3;
}

.tagline {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.intro {
  max-width: 46rem;
  margin-top: 8px;
  font-size: 1rem;
  line-height: 1.62;
  color: var(--ink-soft);
}

.identity-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
}

.channels {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
}

.location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.88rem;
}

.location svg {
  width: 14px;
  height: 14px;
  color: var(--cyan);
}

.timeline {
  display: grid;
  gap: 22px;
}

.timeline-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.timeline-head::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(7, 16, 24, 0.16), transparent);
}

.timeline-band {
  position: relative;
  padding-bottom: 76px;
}

.route-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.timeline-nodes {
  position: relative;
  display: grid;
  gap: clamp(38px, 7svh, 64px);
  padding-left: 58px;
}

.node {
  position: relative;
  max-width: 420px;
  margin-left: var(--zig, 0px);
}

.node-marker {
  position: absolute;
  left: -38px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--node-color);
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.85),
    0 0 18px var(--node-glow);
}

.node-marker::before {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  width: 22px;
  height: 1px;
  margin-left: 5px;
  background: linear-gradient(90deg, var(--node-color), rgba(7, 16, 24, 0.14));
}

.node-marker::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: inherit;
  border: 1px solid var(--node-color);
  opacity: 0;
}

.node--now .node-marker::after {
  opacity: 1;
}

@media (min-width: 1024px) {
  .frame {
    min-height: 100svh;
    justify-content: center;
    gap: clamp(28px, 5svh, 64px);
    padding-block: clamp(20px, 3svh, 48px);
  }

  .lang-switch {
    position: absolute;
    top: 0;
    right: 0;
  }

  .identity-main h1 {
    font-size: clamp(3.8rem, 7.2vw, 7.4rem);
  }

  .identity-main {
    padding-right: 420px;
  }

  .intro {
    max-width: 50rem;
  }

  .timeline-band {
    padding-bottom: 0;
  }

  .timeline-nodes {
    grid-template-columns: repeat(var(--cols, 11), minmax(0, 1fr));
    grid-template-rows: minmax(120px, auto) var(--axis-row, 96px) minmax(120px, auto);
    gap: 0;
    padding-left: 0;
  }

  .node {
    grid-column: var(--col, 1) / span 3;
    max-width: none;
    margin-left: 0;
  }

  .node--up {
    grid-row: 1;
    align-self: end;
  }

  .node--down {
    grid-row: 3;
    align-self: start;
  }

  .node-body {
    max-width: 330px;
  }

  .node-marker {
    left: 0;
    top: auto;
  }

  .node--up .node-marker {
    top: calc(100% + var(--marker-gap, 28px));
  }

  .node--down .node-marker {
    bottom: calc(100% + var(--marker-gap, 28px));
  }

  .node-marker::before {
    left: 50%;
    top: auto;
    width: 1px;
    height: var(--marker-gap, 28px);
    margin: 0;
  }

  .node--up .node-marker::before {
    bottom: 100%;
    margin-bottom: 5px;
    background: linear-gradient(0deg, var(--node-color), rgba(7, 16, 24, 0.14));
  }

  .node--down .node-marker::before {
    top: 100%;
    margin-top: 5px;
    background: linear-gradient(180deg, var(--node-color), rgba(7, 16, 24, 0.14));
  }
}

@media (min-width: 1024px) and (max-width: 1199px) {
  .identity-main {
    padding-right: 360px;
  }
}

@media (min-width: 1024px) {
  :root[data-density] .frame {
    gap: clamp(20px, 3.6svh, 40px);
    padding-block: 16px;
  }

  :root[data-density] .identity {
    gap: 12px;
  }

  :root[data-density] .identity-main {
    gap: 7px;
  }

  :root[data-density] .identity-main h1 {
    font-size: clamp(3.2rem, 8.8svh, 5.6rem);
  }

  :root[data-density] .intro {
    margin-top: 4px;
    font-size: 0.95rem;
    line-height: 1.52;
  }

  :root[data-density] .timeline {
    gap: 12px;
  }

  :root[data-density] .timeline-nodes {
    --axis-row: 72px;
    --marker-gap: 20px;
    grid-template-rows: minmax(0, auto) var(--axis-row) minmax(0, auto);
  }

  :root[data-density="2"] .frame,
  :root[data-density="3"] .frame {
    gap: clamp(14px, 2.6svh, 28px);
    padding-block: 12px;
  }

  :root[data-density="2"] .identity-main h1,
  :root[data-density="3"] .identity-main h1 {
    font-size: clamp(2.9rem, 7.6svh, 4.8rem);
  }

  :root[data-density="2"] .intro,
  :root[data-density="3"] .intro {
    font-size: 0.92rem;
    line-height: 1.48;
  }

  :root[data-density="2"] .node-body h2,
  :root[data-density="3"] .node-body h2 {
    font-size: 1.06rem;
  }

  :root[data-density="2"] .node-line,
  :root[data-density="3"] .node-line {
    font-size: 0.86rem;
    line-height: 1.42;
  }

  :root[data-density="2"] .node-index,
  :root[data-density="3"] .node-index {
    margin-bottom: 7px;
  }

  :root[data-density="2"] .timeline-nodes,
  :root[data-density="3"] .timeline-nodes {
    --axis-row: 60px;
    --marker-gap: 16px;
  }

  :root[data-density="3"] .frame {
    gap: 10px;
    padding-block: 8px;
  }

  :root[data-density="3"] .identity {
    gap: 8px;
  }

  :root[data-density="3"] .identity-main h1 {
    font-size: clamp(2.6rem, 6.6svh, 4rem);
  }

  :root[data-density="3"] .role {
    font-size: 1rem;
  }

  :root[data-density="3"] .intro {
    font-size: 0.88rem;
    line-height: 1.45;
  }

  :root[data-density="3"] .node-line {
    font-size: 0.82rem;
  }

  :root[data-density="3"] .node-channels {
    margin-top: 5px;
  }

  :root[data-density="3"] .timeline-nodes {
    --axis-row: 50px;
    --marker-gap: 12px;
  }
}