:root {
  --space: #03040a;
  --text: #e6ebf5;
  --muted: #9aa6bd;
  --crawl: #ffe81f;
  --far: #4bd5ee;
  --saber: #4fc3ff;
  --panel: rgba(8, 12, 24, 0.74);
  --line: color-mix(in srgb, var(--saber) 28%, transparent);
  --glow: 0 0 4px var(--saber), 0 0 12px var(--saber), 0 0 28px var(--saber);
  --display: "Orbitron", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--space);
  color: var(--text);
  font: 16px/1.6 var(--body);
  overflow-x: hidden;
}

a { color: inherit; }

#stars {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* ---------- abertura ---------- */

#intro {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--space);
  overflow: hidden;
}

#intro[hidden] { display: none; }

.intro-far {
  position: absolute;
  inset: 0;
  margin: auto;
  height: fit-content;
  width: min(90vw, 640px);
  padding: 0 16px;
  color: var(--far);
  font-size: clamp(20px, 3.6vw, 34px);
  opacity: 0;
  animation: far 5s ease-in-out 0.4s forwards;
}

@keyframes far {
  0% { opacity: 0; }
  18%, 78% { opacity: 1; }
  100% { opacity: 0; }
}

.intro-logo {
  position: absolute;
  inset: 0;
  margin: auto;
  height: fit-content;
  text-align: center;
  font: 900 clamp(48px, 13vw, 150px) / 0.9 var(--display);
  letter-spacing: 0.04em;
  color: transparent;
  -webkit-text-stroke: 2px var(--crawl);
  opacity: 0;
  animation: logo 9s cubic-bezier(0.2, 0.6, 0.4, 1) 5.8s forwards;
}

@keyframes logo {
  0% { opacity: 1; transform: scale(2.4); }
  85% { opacity: 1; }
  100% { opacity: 0; transform: scale(0.05); }
}

.crawl-stage {
  position: absolute;
  inset: 0;
  perspective: 360px;
  display: flex;
  justify-content: center;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 35%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 35%);
}

.crawl {
  position: absolute;
  top: 100%;
  width: min(88vw, 640px);
  color: var(--crawl);
  font: clamp(22px, 4.6vw, 44px) / 1.35 "Pathway Gothic One", var(--body);
  text-align: justify;
  hyphens: auto;
  transform-origin: 50% 0;
  transform: rotateX(28deg);
  animation: crawl 52s linear 7.5s forwards;
}

@keyframes crawl {
  from { transform: rotateX(28deg) translateY(0); }
  to { transform: rotateX(28deg) translateY(-340%); }
}

.crawl .ep,
.crawl h2 {
  text-align: center;
  margin: 0;
  font-weight: 400;
}

.crawl h2 {
  font-family: inherit;
  font-size: 1.7em;
  margin-bottom: 0.8em;
  letter-spacing: 0.04em;
}

.skip {
  position: absolute;
  right: 16px;
  bottom: 16px;
  padding: 8px 16px;
  border: 1px solid color-mix(in srgb, var(--crawl) 50%, transparent);
  border-radius: 999px;
  background: transparent;
  color: var(--crawl);
  font: 500 13px var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.skip:hover { background: color-mix(in srgb, var(--crawl) 14%, transparent); }

/* ---------- barra superior ---------- */

.topbar {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 20;
  display: flex;
  gap: 12px;
  align-items: center;
}

.sabers,
.lang {
  display: flex;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  backdrop-filter: blur(6px);
}

.sabers button {
  width: 18px;
  height: 18px;
  border: 0;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 6px var(--c);
  cursor: pointer;
  opacity: 0.45;
  transition: opacity 0.2s, transform 0.2s;
}

.sabers button[aria-pressed="true"],
.sabers button:hover { opacity: 1; transform: scale(1.15); }

.lang a {
  padding: 0 8px;
  font: 500 12px/18px var(--display);
  text-decoration: none;
  color: var(--muted);
  border-radius: 999px;
}

.lang a[aria-current="true"] { color: var(--space); background: var(--saber); }

/* ---------- navegação lateral ---------- */

.dots {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dots a {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--saber);
  opacity: 0.4;
  transition: opacity 0.3s, transform 0.3s, box-shadow 0.3s;
}

.dots a[aria-current="true"] {
  opacity: 1;
  transform: scale(1.5);
  box-shadow: 0 0 10px var(--saber);
}

/* ---------- seções ---------- */

main {
  position: relative;
  z-index: 1;
}

.panel {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 88px 16px;
  max-width: 1100px;
  margin: 0 auto;
}

.panel.centered { justify-content: center; text-align: center; }

.card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 620px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  backdrop-filter: blur(6px);
  box-shadow: 0 0 40px color-mix(in srgb, var(--saber) 8%, transparent);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s, transform 0.7s;
}

.visible .card { opacity: 1; transform: none; }

.eyebrow {
  margin: 0 0 8px;
  font: 500 12px var(--display);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--saber);
}

h1, h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.15;
}

h1 {
  font-size: clamp(36px, 8vw, 64px);
  font-weight: 900;
  color: var(--crawl);
  letter-spacing: 0.02em;
}

h2 { font-size: clamp(24px, 5vw, 34px); }

.display { font-size: clamp(30px, 7vw, 52px); }

/* o sabre acende quando a seção entra na tela */
.saber-line {
  position: relative;
  height: 3px;
  width: 0;
  margin: 16px 0 20px 26px;
  border-radius: 3px;
  background: #fff;
  box-shadow: var(--glow);
  transition: width 0.6s cubic-bezier(0.3, 1.4, 0.5, 1) 0.4s;
}

.saber-line::before {
  content: "";
  position: absolute;
  left: -26px;
  top: -3px;
  width: 24px;
  height: 9px;
  border-radius: 2px;
  background: linear-gradient(#c9ced6, #6b7280 60%, #3b4048);
}

.visible .saber-line { width: 140px; }

.centered .saber-line { margin-left: auto; margin-right: auto; }
.centered .saber-line::before { display: none; }

.role { margin: 8px 0 0; font-size: 18px; color: var(--muted); }
.role strong { color: var(--text); }

.lead { font-size: 17px; }

.facts {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.facts li {
  position: relative;
  padding: 6px 0 6px 22px;
}

.facts li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 16px;
  width: 8px;
  height: 2px;
  background: var(--saber);
  box-shadow: 0 0 6px var(--saber);
}

.chips,
.pills,
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.centered .chips,
.centered .pills,
.centered .links { justify-content: center; }

.chips li {
  padding: 2px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
}

.chips a { text-decoration: none; }
.chips a span { opacity: 0.6; margin-left: 4px; }

.pills a,
.pills span,
.links a,
.links span {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid var(--saber);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: background 0.2s, color 0.2s;
}

.pills a:hover,
.links a:hover { background: var(--saber); color: var(--space); }

.mail { border-style: dashed !important; color: var(--muted); }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: center;
  margin-top: 28px;
}

.replay {
  padding: 0;
  border: 0;
  background: none;
  color: var(--crawl);
  font: 500 13px var(--display);
  letter-spacing: 0.08em;
  cursor: pointer;
}

.scroll-cue {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}

.chevron {
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--saber);
  border-bottom: 2px solid var(--saber);
  transform: rotate(45deg);
  animation: bob 1.6s ease-in-out infinite;
}

.up .chevron { transform: rotate(-135deg); animation: none; }

@keyframes bob {
  50% { translate: 0 5px; }
}

.timeline {
  margin: 20px 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--saber);
  box-shadow: -6px 0 12px -6px var(--saber);
}

.timeline li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 12px;
  padding: 6px 0 6px 16px;
}

.timeline span {
  font: 500 13px/1.9 var(--display);
  color: var(--saber);
}

h3.eyebrow { margin-top: 32px; }

.farewell {
  margin-top: 32px;
  font: 500 13px var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crawl);
}

/* ---------- arquiteturas e naves ---------- */

.panel.has-arch {
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.arch {
  margin: 0;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s 0.2s, transform 0.9s 0.2s;
}

.visible .arch { opacity: 1; transform: none; }

.arch svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.arch figcaption {
  margin-top: 8px;
  text-align: center;
  font: 500 10px var(--display);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.7;
}

.edges line {
  stroke: var(--line);
  stroke-width: 0.35;
  stroke-dasharray: 1 1.4;
}

.node {
  fill: #0a1120;
  stroke: #a9b8d4;
  stroke-width: 0.45;
}

.node .ring { fill: none; }

.node text {
  fill: var(--muted);
  stroke: none;
  font: 500 2.7px var(--display);
  letter-spacing: 0.05em;
  text-anchor: middle;
}

.node.hit .shape {
  stroke: var(--saber);
  filter: drop-shadow(0 0 1.2px var(--saber));
}

.node.source { cursor: pointer; outline: none; }

.node.source .shape {
  stroke: var(--saber);
  animation: beacon 2.4s ease-in-out infinite;
}

.node.source:hover .shape,
.node.source:focus-visible .shape { stroke-width: 0.9; }

.replica {
  opacity: 0.55;
  animation: replica-in 0.4s ease-out;
}

.replica.leaving { animation: replica-out 0.4s ease-in forwards; }

@keyframes replica-in { from { opacity: 0; } }
@keyframes replica-out { to { opacity: 0; } }

.node .badge {
  fill: var(--saber);
  font-size: 3px;
  font-weight: 700;
  text-anchor: start;
}

.node.hot .shape {
  stroke: #ffb347;
  filter: drop-shadow(0 0 1.4px #ffb347);
}

@keyframes beacon {
  50% { filter: drop-shadow(0 0 1.6px var(--saber)); }
}

.ship .hull { fill: #f2f5fb; }
.ship .wing { stroke: #f2f5fb; stroke-width: 0.55; }

.ship .trail {
  stroke: var(--saber);
  stroke-width: 0.6;
  stroke-linecap: round;
  opacity: 0.75;
}

.scale-log {
  min-height: 1.6em;
  margin: 6px 0 0;
  font: 500 12px var(--display);
  letter-spacing: 0.06em;
  color: var(--saber);
}

.scale-log.flash { animation: log-flash 0.6s ease-out; }

@keyframes log-flash { from { opacity: 0.2; } }

.try {
  margin: 20px 0 0;
  font-size: 13px;
  font-style: italic;
  color: var(--muted);
}

.noscript {
  position: relative;
  z-index: 1;
  padding: 40vh 16px;
  text-align: center;
}

@media (max-width: 900px) {
  .panel.has-arch { grid-template-columns: minmax(0, 1fr); gap: 20px; align-content: center; }
  .panel.has-arch .arch { order: -1; width: 100%; max-width: 520px; justify-self: center; }
}

@media (max-width: 720px) {
  .dots { display: none; }
  .card { padding: 24px 20px; }
  .timeline li { grid-template-columns: 60px 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .arch, .saber-line { transition: none; }
  .node.source .shape { animation: none; }
  .chevron { animation: none; }
}