.timeline-ai-hero {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 10px;
  margin: 32px 0 8px;
}

.timeline-ai-hero p {
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: .05em;
}

.timeline-ai-intro {
  position: relative;
  z-index: 2;
  padding: 0 24px 70px;
}

.timeline-ai-intro__inner {
  display: grid;
  grid-template-columns: minmax(230px, .72fr) minmax(420px, 1.28fr);
  gap: 28px 54px;
  max-width: 1000px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 46px);
  border: 1px solid rgba(207, 196, 230, .2);
  border-radius: 24px;
  background:
    radial-gradient(circle at 8% 0%, rgba(242, 179, 139, .11), transparent 34%),
    linear-gradient(145deg, rgba(255, 250, 244, .075), rgba(255, 250, 244, .035));
  box-shadow: 0 22px 64px rgba(4, 10, 24, .18);
  backdrop-filter: blur(8px);
}

.timeline-ai-intro__heading > span {
  display: block;
  margin-bottom: 12px;
  color: #f2b38b;
  font-family: var(--v2-latin);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .28em;
}

.timeline-ai-intro__heading h2 {
  margin: 0;
  color: #fffaf4;
  font-family: var(--v2-serif);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 500;
  letter-spacing: .05em;
  line-height: 1.5;
}

.timeline-ai-intro__heading p {
  margin-top: 15px;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.9;
}

.timeline-ai-intro__steps {
  display: grid;
  gap: 0;
  list-style: none;
}

.timeline-ai-intro__steps li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 13px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(207, 196, 230, .13);
}

.timeline-ai-intro__steps li:last-child {
  border-bottom: 0;
}

.timeline-ai-intro__steps li > span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(242, 179, 139, .32);
  border-radius: 50%;
  color: #f0c69e;
  font-family: var(--v2-latin);
  font-size: 10px;
  font-weight: 700;
}

.timeline-ai-intro__steps strong {
  display: block;
  margin-bottom: 2px;
  color: rgba(255, 250, 244, .86);
  font-size: 13px;
  font-weight: 600;
}

.timeline-ai-intro__steps p {
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.7;
}

.timeline-ai-intro__note {
  grid-column: 1 / -1;
  margin: 0;
  padding: 14px 17px;
  border-left: 2px solid #f2b38b;
  color: rgba(255, 250, 244, .65);
  background: rgba(242, 179, 139, .055);
  font-size: 12px;
  line-height: 1.8;
}

.timeline-ai-intro__note strong {
  color: #fffaf4;
  font-weight: 600;
}

.timeline-ai-intro__note a {
  display: inline-block;
  margin-left: .45em;
  color: #f0c69e;
  text-underline-offset: 3px;
}

.timeline-ai-primary,
.timeline-ai-era-button,
.timeline-ai-event-button,
.timeline-ai-dialog button {
  font: inherit;
}

.timeline-ai-primary {
  min-width: min(360px, calc(100vw - 48px));
  padding: 15px 24px 16px;
  border: 1px solid rgba(242, 179, 139, .55);
  border-radius: 999px;
  color: #172640;
  background: linear-gradient(135deg, #f5d1b9, #cfc4e6);
  box-shadow: 0 14px 40px rgba(5, 12, 28, .28), 0 0 28px rgba(242, 179, 139, .12);
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease;
}

.timeline-ai-primary span,
.timeline-ai-primary strong {
  display: block;
}

.timeline-ai-primary span {
  margin-bottom: 2px;
  font-family: var(--v2-latin);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .25em;
}

.timeline-ai-primary strong {
  font-family: var(--v2-serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .08em;
}

.timeline-ai-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 48px rgba(5, 12, 28, .34), 0 0 34px rgba(242, 179, 139, .2);
}

.timeline-ai-era-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 10px 17px;
  border: 1px solid color-mix(in srgb, var(--era-color) 44%, transparent);
  border-radius: 999px;
  color: var(--text-bright);
  background: color-mix(in srgb, var(--era-color) 8%, rgba(16, 31, 61, .82));
  font-size: 12px;
  letter-spacing: .06em;
  cursor: pointer;
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}

.timeline-ai-era-button span {
  color: var(--era-color);
}

.timeline-ai-era-button:hover {
  border-color: color-mix(in srgb, var(--era-color) 72%, transparent);
  background: color-mix(in srgb, var(--era-color) 14%, rgba(16, 31, 61, .86));
  transform: translateY(-1px);
}

.timeline-ai-event-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 15px;
  padding: 6px 0 2px;
  border: 0;
  border-bottom: 1px solid rgba(242, 179, 139, .34);
  color: #f0c69e;
  background: transparent;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease;
}

.timeline-ai-event-button:hover {
  border-color: #fffaf4;
  color: #fffaf4;
}

.evolution-page .event-card--image {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.evolution-page .event-card--image::before,
.evolution-page .event-card--image::after {
  position: absolute;
  inset: 0;
  content: '';
  pointer-events: none;
}

.evolution-page .event-card--image::before {
  z-index: 0;
  background-image: var(--event-image, none);
  background-repeat: no-repeat;
  background-position: center right;
  background-size: cover;
  filter: saturate(.78) contrast(.94);
  opacity: .58;
  transition: opacity .3s ease, transform .5s ease;
}

.evolution-page .event-card--image::after {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(25, 42, 76, .94) 0%, rgba(25, 42, 76, .78) 48%, rgba(17, 31, 61, .42) 100%),
    linear-gradient(180deg, rgba(8, 18, 40, .04), rgba(8, 18, 40, .45));
}

.evolution-page .event-card--image > * {
  position: relative;
  z-index: 2;
}

.evolution-page .event-card--image:hover::before {
  opacity: .68;
  transform: scale(1.025);
}

.timeline-ai-primary:focus-visible,
.timeline-ai-era-button:focus-visible,
.timeline-ai-event-button:focus-visible,
.timeline-ai-dialog button:focus-visible,
.timeline-ai-dialog summary:focus-visible {
  outline: 3px solid rgba(242, 179, 139, .45);
  outline-offset: 4px;
}

.timeline-ai-dialog {
  width: min(720px, calc(100vw - 32px));
  max-height: min(820px, calc(100svh - 32px));
  margin: auto;
  padding: 0;
  border: 1px solid rgba(207, 196, 230, .28);
  border-radius: 24px;
  color: #fffaf4;
  background: #101f3d;
  box-shadow: 0 32px 100px rgba(2, 8, 22, .68);
  overflow: hidden;
}

.timeline-ai-dialog::backdrop {
  background: rgba(4, 10, 24, .78);
  backdrop-filter: blur(7px);
}

.timeline-ai-dialog__shell {
  position: relative;
  max-height: min(820px, calc(100svh - 32px));
  padding: clamp(28px, 5vw, 48px);
  overflow-y: auto;
  background:
    radial-gradient(circle at 88% 5%, rgba(188, 168, 215, .2), transparent 32%),
    radial-gradient(circle at 8% 95%, rgba(242, 179, 139, .11), transparent 36%),
    linear-gradient(160deg, #142646, #0b1830);
}

.timeline-ai-dialog__close {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 250, 244, .18);
  border-radius: 50%;
  color: rgba(255, 250, 244, .72);
  background: rgba(255, 250, 244, .05);
  font-size: 25px;
  line-height: 1;
  cursor: pointer;
}

.timeline-ai-dialog__eyebrow {
  display: block;
  margin-bottom: 14px;
  color: #f2b38b;
  font-family: var(--v2-latin);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .28em;
}

.timeline-ai-dialog__scope {
  margin: 0 48px 8px 0;
  color: #cfc4e6;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .05em;
}

.timeline-ai-dialog h2 {
  margin: 0;
  color: #fffaf4;
  font-family: var(--v2-serif);
  font-size: clamp(24px, 5vw, 36px);
  font-weight: 500;
  letter-spacing: .04em;
  line-height: 1.45;
}

.timeline-ai-dialog__lead {
  margin-top: 18px;
  color: rgba(255, 250, 244, .68);
  font-size: 14px;
  line-height: 1.9;
}

.timeline-ai-dialog__steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 28px 0;
  padding: 18px 20px;
  border: 1px solid rgba(207, 196, 230, .17);
  border-radius: 16px;
  background: rgba(255, 250, 244, .045);
}

.timeline-ai-dialog__steps span {
  display: flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 250, 244, .78);
  font-size: 12px;
  white-space: nowrap;
}

.timeline-ai-dialog__steps b {
  display: grid;
  width: 23px;
  height: 23px;
  place-items: center;
  border-radius: 50%;
  color: #172640;
  background: #f0c69e;
  font-family: var(--v2-latin);
  font-size: 10px;
}

.timeline-ai-dialog__steps i {
  color: rgba(207, 196, 230, .38);
  font-style: normal;
}

.timeline-ai-dialog__start {
  margin-bottom: 26px;
}

.timeline-ai-dialog__start h3 {
  margin: 0 0 12px;
  color: rgba(255, 250, 244, .78);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
}

.timeline-ai-dialog__modes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.timeline-ai-dialog__modes > button {
  padding: 15px 16px;
  border: 1px solid rgba(207, 196, 230, .17);
  border-radius: 14px;
  color: rgba(255, 250, 244, .68);
  background: rgba(255, 250, 244, .035);
  text-align: left;
  cursor: pointer;
}

.timeline-ai-dialog__modes > button[aria-pressed="true"] {
  border-color: rgba(242, 179, 139, .58);
  color: #fffaf4;
  background: rgba(242, 179, 139, .1);
  box-shadow: inset 0 0 0 1px rgba(242, 179, 139, .08);
}

.timeline-ai-dialog__modes strong,
.timeline-ai-dialog__modes span {
  display: block;
}

.timeline-ai-dialog__modes strong {
  margin-bottom: 5px;
  font-family: var(--v2-serif);
  font-size: 14px;
  font-weight: 600;
}

.timeline-ai-dialog__modes span {
  color: rgba(255, 250, 244, .52);
  font-size: 10px;
  line-height: 1.6;
}

.timeline-ai-dialog__question {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid rgba(207, 196, 230, .14);
  border-radius: 14px;
  background: rgba(3, 10, 24, .24);
}

.timeline-ai-dialog__question[hidden] {
  display: none;
}

.timeline-ai-dialog__question label {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 250, 244, .78);
  font-size: 12px;
  font-weight: 600;
}

.timeline-ai-dialog__question textarea {
  display: block;
  width: 100%;
  min-height: 86px;
  padding: 12px 13px;
  border: 1px solid rgba(207, 196, 230, .22);
  border-radius: 10px;
  color: #fffaf4;
  background: rgba(3, 10, 24, .52);
  font-family: var(--v2-sans);
  font-size: 13px;
  line-height: 1.7;
  resize: vertical;
}

.timeline-ai-dialog__question textarea::placeholder {
  color: rgba(255, 250, 244, .34);
}

.timeline-ai-dialog__question > p {
  margin: 10px 0 9px;
  color: rgba(255, 250, 244, .48);
  font-size: 10px;
}

.timeline-ai-dialog__seeds {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.timeline-ai-dialog__seeds button {
  padding: 7px 10px;
  border: 1px solid rgba(207, 196, 230, .2);
  border-radius: 999px;
  color: rgba(255, 250, 244, .7);
  background: rgba(255, 250, 244, .04);
  font-size: 10px;
  cursor: pointer;
}

.timeline-ai-dialog__seeds button:hover {
  border-color: rgba(242, 179, 139, .5);
  color: #fffaf4;
}

.timeline-ai-dialog__actions {
  display: grid;
  grid-template-columns: minmax(190px, .7fr) 1fr;
  align-items: center;
  gap: 18px;
}

.timeline-ai-dialog__copy {
  padding: 14px 20px;
  border: 0;
  border-radius: 999px;
  color: #172640;
  background: linear-gradient(135deg, #f5d1b9, #cfc4e6);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  cursor: pointer;
}

.timeline-ai-dialog__copy:disabled {
  cursor: wait;
  opacity: .72;
}

.timeline-ai-dialog__actions p {
  color: rgba(255, 250, 244, .56);
  font-size: 11px;
  line-height: 1.7;
}

@media (max-width: 600px) {
  .timeline-ai-hero {
    margin-top: 26px;
  }

  .timeline-ai-hero p {
    max-width: 290px;
  }

  .timeline-ai-intro {
    padding: 0 14px 44px;
  }

  .timeline-ai-intro__inner {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 25px 20px;
    border-radius: 18px;
  }

  .timeline-ai-intro__note {
    grid-column: auto;
  }

  .timeline-ai-dialog {
    width: calc(100vw - 20px);
    max-height: calc(100svh - 20px);
    border-radius: 18px;
  }

  .timeline-ai-dialog__shell {
    max-height: calc(100svh - 20px);
    padding: 32px 22px 26px;
  }

  .timeline-ai-dialog__steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 9px;
  }

  .timeline-ai-dialog__steps i {
    display: none;
  }

  .timeline-ai-dialog__modes {
    grid-template-columns: 1fr;
  }

  .timeline-ai-dialog__actions {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .timeline-ai-dialog__copy {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .timeline-ai-primary,
  .timeline-ai-era-button {
    transition: none;
  }
}