:root {
  --ink: #12161c;
  --ink-soft: #1c232d;
  --paper: #eef2f4;
  --muted: #8b97a5;
  --line: rgba(238, 242, 244, 0.12);
  --glow: rgba(94, 184, 168, 0.18);

  --fase-1: #d4a05a;
  --fase-2: #5eb8a8;
  --fase-3: #6a9fd8;
  --fase-4: #e07a6a;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --panel-w: min(420px, 92vw);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: #b47387 #0b1220;
  color-scheme: dark;
}

html::-webkit-scrollbar {
  width: 12px;
}

html::-webkit-scrollbar-track {
  background: #0b1220;
}

html::-webkit-scrollbar-thumb {
  background: #b47387;
  border-radius: 999px;
  border: 2px solid #0b1220;
}

html::-webkit-scrollbar-thumb:hover {
  background: #d88da4;
}

html::-webkit-scrollbar-button {
  display: none;
  height: 0;
  width: 0;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--paper);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
  scrollbar-width: thin;
  scrollbar-color: #b47387 #0b1220;
}

body::-webkit-scrollbar {
  width: 12px;
}

body::-webkit-scrollbar-track {
  background: #0b1220;
}

body::-webkit-scrollbar-thumb {
  background: #b47387;
  border-radius: 999px;
  border: 2px solid #0b1220;
}

body::-webkit-scrollbar-thumb:hover {
  background: #d88da4;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ——— Home ——— */

.page-home {
  --space: #050b18;
  --space-deep: #02060f;
  --starlight: #e8f1ff;
  --ice: #7eb6ff;
  --aurora: #5ec8c0;
  --gold: #e2c07a;

  display: grid;
  place-items: center;
  padding: 2rem;
  overflow: hidden;
  color: #ffffff;
  background: var(--space-deep);
}

.galaxy {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 70% at 50% 120%, #0a1a3a 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 80% 10%, rgba(40, 70, 140, 0.35), transparent 60%),
    radial-gradient(ellipse 40% 35% at 15% 25%, rgba(30, 55, 110, 0.4), transparent 55%),
    linear-gradient(180deg, #02060f 0%, #050b18 40%, #081428 100%);
}

.galaxy-nebula {
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(ellipse 45% 30% at 70% 60%, rgba(60, 100, 180, 0.22), transparent 70%),
    radial-gradient(ellipse 35% 28% at 25% 70%, rgba(40, 130, 140, 0.14), transparent 65%),
    radial-gradient(ellipse 28% 22% at 55% 30%, rgba(90, 120, 200, 0.12), transparent 70%);
  filter: blur(2px);
  animation: nebula-drift 28s ease-in-out infinite alternate;
}

.galaxy-stars {
  position: absolute;
  inset: 0;
  background-repeat: repeat;
}

.galaxy-stars--far {
  opacity: 0.55;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 28% 42%, rgba(255, 255, 255, 0.45), transparent),
    radial-gradient(1px 1px at 44% 8%, rgba(255, 255, 255, 0.55), transparent),
    radial-gradient(1px 1px at 61% 33%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 73% 61%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 88% 22%, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1px 1px at 5% 72%, rgba(255, 255, 255, 0.45), transparent),
    radial-gradient(1px 1px at 36% 78%, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1px 1px at 52% 55%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 95% 80%, rgba(255, 255, 255, 0.4), transparent);
  background-size: 320px 320px;
  animation: twinkle-far 7s ease-in-out infinite alternate;
}

.galaxy-stars--mid {
  opacity: 0.75;
  background-image:
    radial-gradient(1.5px 1.5px at 18% 30%, rgba(200, 225, 255, 0.9), transparent),
    radial-gradient(1px 1px at 40% 15%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1.5px 1.5px at 58% 48%, rgba(180, 220, 255, 0.85), transparent),
    radial-gradient(1px 1px at 76% 28%, rgba(255, 255, 255, 0.65), transparent),
    radial-gradient(1.5px 1.5px at 8% 55%, rgba(200, 230, 255, 0.8), transparent),
    radial-gradient(1px 1px at 92% 45%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 33% 68%, rgba(220, 235, 255, 0.7), transparent),
    radial-gradient(1.5px 1.5px at 67% 82%, rgba(190, 215, 255, 0.8), transparent);
  background-size: 420px 420px;
  animation: twinkle-mid 5.5s ease-in-out infinite alternate;
}

.galaxy-stars--near {
  background-image:
    radial-gradient(2px 2px at 22% 20%, #fff 40%, rgba(126, 182, 255, 0.4) 70%, transparent),
    radial-gradient(1.5px 1.5px at 48% 72%, #fff 35%, rgba(94, 200, 192, 0.35) 65%, transparent),
    radial-gradient(2px 2px at 81% 38%, #fff 40%, rgba(226, 192, 122, 0.3) 70%, transparent),
    radial-gradient(1.5px 1.5px at 10% 88%, #fff 40%, transparent),
    radial-gradient(2px 2px at 63% 12%, #fff 35%, rgba(126, 182, 255, 0.35) 65%, transparent);
  background-size: 560px 560px;
  animation: twinkle-near 4s ease-in-out infinite alternate;
}

.galaxy-dust {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1px 1px at 30% 40%, rgba(255, 255, 255, 0.15), transparent),
    radial-gradient(1px 1px at 70% 25%, rgba(255, 255, 255, 0.12), transparent),
    radial-gradient(1px 1px at 45% 80%, rgba(255, 255, 255, 0.1), transparent);
  background-size: 180px 180px;
  opacity: 0.6;
  animation: dust-drift 40s linear infinite;
}

@keyframes nebula-drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-2%, 1.5%) scale(1.04); }
}

@keyframes twinkle-far {
  from { opacity: 0.4; }
  to { opacity: 0.7; }
}

@keyframes twinkle-mid {
  from { opacity: 0.55; }
  to { opacity: 0.9; }
}

@keyframes twinkle-near {
  from { opacity: 0.65; filter: brightness(0.9); }
  to { opacity: 1; filter: brightness(1.25); }
}

@keyframes dust-drift {
  from { transform: translateY(0); }
  to { transform: translateY(-180px); }
}

.home {
  width: min(640px, 100%);
  text-align: center;
  animation: rise-in 0.9s var(--ease) both;
}

.home-narrow {
  width: min(480px, 100%);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.home-eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.page-home .home-brand {
  margin: 0 auto;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-shadow: 0 0 40px rgba(126, 182, 255, 0.2);
}

.home-lead {
  margin: 1.1rem auto 0;
  max-width: 38ch;
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.6);
}

.home-actions {
  display: grid;
  gap: 0.9rem;
  margin-top: 2.4rem;
}

.page-home .btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.15rem 1.35rem;
  border-radius: 14px;
  text-align: center;
  font-size: 1.05rem;
  font-weight: 560;
  overflow: hidden;
  isolation: isolate;
  transition:
    transform 0.4s var(--ease),
    background 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.45s ease,
    color 0.3s ease;
}

.page-home .btn-text {
  position: relative;
  z-index: 2;
}

.page-home .btn-stars {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
  background-image:
    radial-gradient(1.5px 1.5px at 15% 40%, #fff, transparent),
    radial-gradient(1px 1px at 35% 70%, #fff, transparent),
    radial-gradient(2px 2px at 55% 25%, #fff, transparent),
    radial-gradient(1px 1px at 72% 60%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 88% 35%, #fff, transparent),
    radial-gradient(1px 1px at 25% 20%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1.5px 1.5px at 65% 80%, rgba(255, 255, 255, 0.9), transparent);
  animation: btn-stars-drift 2.4s linear infinite;
  animation-play-state: paused;
}

.page-home .btn-stars::before,
.page-home .btn-stars::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 10px 2px rgba(255, 255, 255, 0.8);
  opacity: 0;
  transform: scale(0);
}

.page-home .btn-stars::before {
  top: 28%;
  left: 22%;
}

.page-home .btn-stars::after {
  top: 62%;
  left: 78%;
}

.page-home .btn:hover,
.page-home .btn:focus-visible {
  transform: translateY(-4px) scale(1.02);
  outline: none;
}

.page-home .btn:hover .btn-stars,
.page-home .btn:focus-visible .btn-stars {
  opacity: 1;
  animation-play-state: running;
}

.page-home .btn:hover .btn-stars::before,
.page-home .btn:focus-visible .btn-stars::before {
  animation: star-burst 0.9s var(--ease) both;
}

.page-home .btn:hover .btn-stars::after,
.page-home .btn:focus-visible .btn-stars::after {
  animation: star-burst 0.9s var(--ease) 0.12s both;
}

.page-home .btn-primary {
  background: linear-gradient(135deg, rgba(126, 182, 255, 0.22), rgba(94, 200, 192, 0.12));
  border: 1px solid rgba(126, 182, 255, 0.45);
  color: #ffffff;
  box-shadow: 0 0 0 0 rgba(126, 182, 255, 0);
}

.page-home .btn-primary:hover,
.page-home .btn-primary:focus-visible {
  background: linear-gradient(135deg, rgba(126, 182, 255, 0.38), rgba(94, 200, 192, 0.22));
  border-color: rgba(180, 215, 255, 0.85);
  box-shadow:
    0 0 28px rgba(126, 182, 255, 0.35),
    0 0 60px rgba(94, 200, 192, 0.15),
    inset 0 0 24px rgba(255, 255, 255, 0.08);
}

.page-home .btn-secondary {
  background: linear-gradient(135deg, rgba(226, 192, 122, 0.14), rgba(126, 182, 255, 0.08));
  border: 1px solid rgba(226, 192, 122, 0.4);
  color: #ffffff;
  box-shadow: 0 0 0 0 rgba(226, 192, 122, 0);
}

.page-home .btn-secondary:hover,
.page-home .btn-secondary:focus-visible {
  background: linear-gradient(135deg, rgba(226, 192, 122, 0.28), rgba(126, 182, 255, 0.14));
  border-color: rgba(240, 215, 150, 0.8);
  box-shadow:
    0 0 28px rgba(226, 192, 122, 0.3),
    0 0 50px rgba(126, 182, 255, 0.12),
    inset 0 0 24px rgba(255, 255, 255, 0.06);
}

@keyframes btn-stars-drift {
  from { background-position: 0 0, 0 0, 0 0, 0 0, 0 0, 0 0, 0 0; }
  to { background-position: 12px -18px, -8px 14px, 16px 10px, -14px -8px, 10px 16px, -6px -12px, 14px 8px; }
}

@keyframes star-burst {
  0% {
    opacity: 0;
    transform: scale(0);
  }
  35% {
    opacity: 1;
    transform: scale(1.4);
  }
  100% {
    opacity: 0;
    transform: scale(0.4) translateY(-18px);
  }
}

.back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
  transition: color 0.2s ease;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--paper);
}

.page-home .back-link {
  color: rgba(255, 255, 255, 0.55);
}

.page-home .back-link:hover,
.page-home .back-link:focus-visible {
  color: #ffffff;
}

.page-home .home-narrow .home-brand {
  max-width: none;
}

@media (prefers-reduced-motion: reduce) {
  .galaxy-nebula,
  .galaxy-stars,
  .galaxy-dust,
  .page-home .btn-stars {
    animation: none !important;
  }
}

/* ——— Timeline page ——— */

.page-timeline {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(212, 160, 90, 0.1), transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 30%, rgba(94, 184, 168, 0.08), transparent 45%),
    var(--ink);
}

.timeline-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.5rem clamp(1.25rem, 4vw, 3rem) 0;
  animation: rise-in 0.7s var(--ease) both;
}

.timeline-header-text {
  max-width: 40rem;
}

.timeline-header .back-link {
  margin-bottom: 0.6rem;
}

.timeline-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.timeline-subtitle {
  margin: 0.65rem 0 0;
  max-width: 48ch;
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--muted);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-width: 28rem;
  justify-content: flex-end;
}

.legend-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(238, 242, 244, 0.03);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.2;
  transition: opacity 0.3s ease, border-color 0.25s ease, background 0.25s ease, transform 0.25s var(--ease);
}

.legend-btn:hover,
.legend-btn:focus-visible {
  border-color: rgba(238, 242, 244, 0.28);
  outline: none;
}

.legend-btn.is-active {
  border-color: color-mix(in srgb, var(--fase-color) 55%, transparent);
  background: color-mix(in srgb, var(--fase-color) 18%, transparent);
}

.legend-btn.is-dimmed {
  opacity: 0.35;
}

.legend-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--fase-color);
  flex-shrink: 0;
}

.legend-btn[data-fase="1"] { --fase-color: var(--fase-1); }
.legend-btn[data-fase="2"] { --fase-color: var(--fase-2); }
.legend-btn[data-fase="3"] { --fase-color: var(--fase-3); }
.legend-btn[data-fase="4"] { --fase-color: var(--fase-4); }

.filter-reset {
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px dashed rgba(238, 242, 244, 0.2);
  font-size: 0.78rem;
  color: var(--muted);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.filter-reset:hover,
.filter-reset:focus-visible {
  color: var(--paper);
  border-color: rgba(238, 242, 244, 0.4);
  outline: none;
}

.filter-reset[hidden] {
  display: none;
}

/* Overview track */

.overview {
  padding: 2.5rem clamp(1.25rem, 4vw, 3rem) 1rem;
  animation: rise-in 0.85s var(--ease) 0.1s both;
}

.overview-label {
  margin: 0 0 1.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.track-wrap {
  position: relative;
  overflow-x: auto;
  overflow-y: visible;
  padding: 3.5rem 0.5rem 4.5rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(238, 242, 244, 0.2) transparent;
}

.track {
  position: relative;
  min-width: 920px;
  height: 4px;
  margin: 0 1.5rem;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--fase-1) 55%, transparent),
    color-mix(in srgb, var(--fase-2) 55%, transparent),
    color-mix(in srgb, var(--fase-3) 55%, transparent),
    color-mix(in srgb, var(--fase-4) 55%, transparent)
  );
  box-shadow: 0 0 40px var(--glow);
}

.event-node {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  border: 2px solid var(--ink);
  background: var(--fase-color);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--fase-color) 35%, transparent);
  transition:
    transform 0.35s var(--ease),
    opacity 0.35s ease,
    box-shadow 0.35s ease,
    filter 0.35s ease;
  z-index: 2;
}

.event-node:hover,
.event-node:focus-visible {
  transform: translate(-50%, -50%) scale(1.35);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--fase-color) 45%, transparent);
  outline: none;
  z-index: 4;
}

.event-node.is-selected {
  transform: translate(-50%, -50%) scale(1.4);
  box-shadow:
    0 0 0 5px color-mix(in srgb, var(--fase-color) 50%, transparent),
    0 0 24px color-mix(in srgb, var(--fase-color) 55%, transparent);
  z-index: 5;
}

.event-node.is-dimmed {
  opacity: 0.22;
  filter: grayscale(0.4);
  pointer-events: none;
}

.event-node[data-fase="1"] { --fase-color: var(--fase-1); }
.event-node[data-fase="2"] { --fase-color: var(--fase-2); }
.event-node[data-fase="3"] { --fase-color: var(--fase-3); }
.event-node[data-fase="4"] { --fase-color: var(--fase-4); }

.event-tick {
  position: absolute;
  left: 50%;
  width: 1px;
  height: 1.4rem;
  background: color-mix(in srgb, var(--fase-color) 55%, transparent);
  pointer-events: none;
}

.event-node:nth-child(odd) .event-tick {
  bottom: calc(100% + 0.15rem);
  transform: translateX(-50%);
}

.event-node:nth-child(even) .event-tick {
  top: calc(100% + 0.15rem);
  transform: translateX(-50%);
}

.event-label {
  position: absolute;
  left: 50%;
  width: max-content;
  max-width: 7.5rem;
  font-size: 0.7rem;
  font-weight: 500;
  line-height: 1.25;
  text-align: center;
  color: var(--paper);
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.event-node:nth-child(odd) .event-label {
  bottom: calc(100% + 1.7rem);
  transform: translateX(-50%);
}

.event-node:nth-child(even) .event-label {
  top: calc(100% + 1.7rem);
  transform: translateX(-50%);
}

.event-year {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--muted);
}

.event-node.is-dimmed .event-label {
  opacity: 0.25;
}

/* Event list (mobile-friendly alternative) */

.events-section {
  padding: 0.5rem clamp(1.25rem, 4vw, 3rem) 6rem;
  animation: rise-in 0.9s var(--ease) 0.18s both;
}

.events-heading {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem;
}

.event-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(238, 242, 244, 0.03);
  text-align: left;
  transition:
    opacity 0.35s ease,
    transform 0.35s var(--ease),
    border-color 0.25s ease,
    background 0.25s ease;
}

.event-card:hover,
.event-card:focus-visible {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--fase-color) 45%, transparent);
  background: color-mix(in srgb, var(--fase-color) 10%, transparent);
  outline: none;
}

.event-card.is-selected {
  border-color: color-mix(in srgb, var(--fase-color) 60%, transparent);
  background: color-mix(in srgb, var(--fase-color) 14%, transparent);
}

.event-card.is-dimmed {
  opacity: 0.28;
  pointer-events: none;
}

.event-card[data-fase="1"] { --fase-color: var(--fase-1); }
.event-card[data-fase="2"] { --fase-color: var(--fase-2); }
.event-card[data-fase="3"] { --fase-color: var(--fase-3); }
.event-card[data-fase="4"] { --fase-color: var(--fase-4); }

.event-card-fase {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fase-color);
}

.event-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.25;
}

.event-card-year {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 300;
}

/* Detail panel */

.panel-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 14, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 40;
}

.panel-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--panel-w);
  height: 100%;
  padding: 1.75rem 1.5rem 2rem;
  background:
    linear-gradient(180deg, rgba(28, 35, 45, 0.98), rgba(18, 22, 28, 0.99));
  border-left: 1px solid var(--line);
  box-shadow: -24px 0 60px rgba(0, 0, 0, 0.35);
  transform: translateX(105%);
  transition: transform 0.45s var(--ease);
  z-index: 50;
  overflow-y: auto;
}

.detail-panel.is-open {
  transform: translateX(0);
}

.panel-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--muted);
  transition: background 0.2s ease, color 0.2s ease;
}

.panel-close:hover,
.panel-close:focus-visible {
  background: rgba(238, 242, 244, 0.08);
  color: var(--paper);
  outline: none;
}

.panel-fase {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.85rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--fase-color);
  background: color-mix(in srgb, var(--fase-color) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--fase-color) 35%, transparent);
}

.panel-fase::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--fase-color);
}

.detail-panel[data-fase="1"] { --fase-color: var(--fase-1); }
.detail-panel[data-fase="2"] { --fase-color: var(--fase-2); }
.detail-panel[data-fase="3"] { --fase-color: var(--fase-3); }
.detail-panel[data-fase="4"] { --fase-color: var(--fase-4); }

.panel-year {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 400;
}

.panel-title {
  margin: 0.4rem 0 0;
  padding-right: 2rem;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.panel-body {
  margin: 1.25rem 0 0;
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.65;
  color: rgba(238, 242, 244, 0.88);
}

.panel-source {
  margin: 1.75rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--muted);
}

.panel-source strong {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 560;
  color: rgba(238, 242, 244, 0.7);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .legend {
    justify-content: flex-start;
    max-width: none;
  }

  .event-label {
    max-width: 5.5rem;
    font-size: 0.62rem;
  }

  .track {
    min-width: 780px;
  }
}