:root {
  --ink: #07111c;
  --ink-2: #102033;
  --paper: #f4f8fb;
  --muted: #93a4b8;
  --teal: #2ad4c6;
  --teal-deep: #0f766e;
  --amber: #f0b429;
  --line: rgba(244, 248, 251, 0.12);
  --glass: rgba(10, 24, 40, 0.72);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  --ease: cubic-bezier(0.77, 0, 0.18, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

button, a { color: inherit; font: inherit; }
button { background: none; border: 0; cursor: pointer; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 40;
  background: rgba(255, 255, 255, 0.06);
}
.progress span {
  display: block;
  height: 100%;
  width: 12.5%;
  background: linear-gradient(90deg, var(--teal-deep), var(--teal));
  transition: width 0.85s var(--ease);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 0 28px 0 24px;
  background: linear-gradient(to bottom, rgba(7, 17, 28, 0.92), rgba(7, 17, 28, 0.55) 70%, transparent);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 18px;
}
.brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.topnav {
  display: flex;
  gap: 8px;
  margin-left: auto;
}
.topnav a {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}
.topnav a:hover,
.topnav a.is-active {
  color: var(--paper);
  background: rgba(255, 255, 255, 0.06);
}

.counter {
  min-width: 72px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.counter b {
  color: var(--paper);
  font-weight: 600;
  font-size: 16px;
}

.dots {
  position: fixed;
  z-index: 30;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.dots button {
  position: relative;
  width: 14px;
  height: 14px;
}
.dots button::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(244, 248, 251, 0.28);
  transition: transform 0.25s, background 0.25s;
}
.dots button.is-active::before,
.dots button:hover::before {
  background: var(--teal);
  transform: scale(1.35);
  box-shadow: 0 0 12px rgba(42, 212, 198, 0.8);
}
.dots button span {
  position: absolute;
  right: 20px;
  top: -4px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--paper);
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap;
  pointer-events: none;
}
.dots button.is-active span,
.dots button:hover span {
  opacity: 1;
  transform: none;
}

.viewport {
  position: fixed;
  inset: 0;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  height: 100vh;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.45s ease, visibility 0.45s ease;
  background:
    radial-gradient(900px 480px at 80% -10%, rgba(42, 212, 198, 0.14), transparent 60%),
    linear-gradient(180deg, #081420 0%, #07111c 100%);
}
.slide.is-in {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 1;
}
.slide-fence {
  background:
    radial-gradient(700px 500px at 28% 55%, rgba(42, 212, 198, 0.16), transparent 62%),
    linear-gradient(180deg, #07141f, #07111c);
}
.slide-health {
  background:
    radial-gradient(640px 420px at 78% 70%, rgba(240, 180, 41, 0.12), transparent 60%),
    linear-gradient(180deg, #081420, #07111c);
}

.glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(20px);
  pointer-events: none;
  background: radial-gradient(circle, rgba(42, 212, 198, 0.22), transparent 68%);
}
.glow-tr { top: -160px; right: -80px; }
.glow-bl { left: -180px; bottom: -200px; width: 420px; height: 420px; }
.glow-mid { left: 50%; top: 10%; transform: translateX(-50%); opacity: 0.7; }
.glow-left { left: -120px; top: 18%; }
.glow-center { left: 8%; top: 16%; }
.glow-amber { background: radial-gradient(circle, rgba(240, 180, 41, 0.18), transparent 68%); right: -40px; bottom: -80px; }

.slide-inner {
  position: relative;
  z-index: 1;
  height: 100%;
  width: min(1180px, calc(100% - 168px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 72px;
  padding: 88px 0 36px;
}
.slide-inner-col {
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 32px;
}

.copy { flex: 0 1 500px; max-width: 520px; }
.visual { flex: 0 1 560px; display: flex; justify-content: center; }

.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--teal);
  letter-spacing: 0.18em;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.kicker i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px var(--teal);
}

h1, h2, h3 { font-weight: 700; letter-spacing: -0.03em; line-height: 1.12; }
h1 { font-size: 72px; }
h2 { font-size: 48px; }
.lead {
  margin-top: 18px;
  color: var(--muted);
  font-size: 18px;
  max-width: 460px;
}
.section-head .lead { max-width: 640px; }
.note {
  margin-top: 18px;
  color: #7f90a4;
  font-size: 13px;
  max-width: 460px;
}
.note.center { text-align: center; max-width: none; margin-top: 4px; }

.cta-row { display: flex; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s, background 0.2s, border-color 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(180deg, #5af0e4, var(--teal));
  color: #042229;
}
.btn-ghost {
  border: 1px solid rgba(244, 248, 251, 0.22);
  color: var(--paper);
}
.btn-ghost:hover { border-color: var(--teal); }

.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.pills li {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: #d5e2ee;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.03);
}

.feat { margin-top: 22px; display: grid; gap: 10px; }
.feat li {
  position: relative;
  padding-left: 22px;
  color: #d7e2ee;
}
.feat li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px rgba(42, 212, 198, 0.7);
}

.scroll-hint {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
}
.scroll-hint span {
  width: 16px;
  height: 26px;
  border: 1px solid rgba(244, 248, 251, 0.3);
  border-radius: 10px;
  position: relative;
}
.scroll-hint span::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 5px;
  width: 3px;
  height: 6px;
  border-radius: 2px;
  background: var(--teal);
  animation: wheel 1.5s ease infinite;
}

.hero-stage {
  position: relative;
  width: 460px;
  height: 460px;
  display: grid;
  place-items: center;
}
.logo {
  width: 280px;
  height: 280px;
  border-radius: 64px;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow), 0 0 0 1px rgba(42, 212, 198, 0.25);
}
.orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(42, 212, 198, 0.35);
}
.orbit-a {
  width: 390px;
  height: 390px;
  animation: spin 22s linear infinite;
}
.orbit-a::after,
.orbit-b::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 16px var(--teal);
}
.orbit-a::after { top: 18px; left: 48px; }
.orbit-b {
  width: 450px;
  height: 450px;
  border-style: dashed;
  animation: spin 36s linear infinite reverse;
}
.orbit-b::after { right: 20px; bottom: 70px; background: var(--amber); box-shadow: 0 0 16px var(--amber); }

.hud {
  position: absolute;
  z-index: 3;
  min-width: 116px;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.hud small, .hud span { display: block; color: var(--muted); font-size: 12px; }
.hud b { display: block; font-size: 22px; letter-spacing: -0.03em; margin: 2px 0; }
.hud-a { left: -28px; top: 8px; animation: float 5.5s ease-in-out infinite; }
.hud-b { right: -36px; top: 28px; animation: float 6.2s ease-in-out infinite 0.4s; }
.hud-c { left: -40px; bottom: 6px; animation: float 5.8s ease-in-out infinite 0.8s; }

.chapter-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.chapter {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  min-height: 228px;
  padding: 22px 20px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
}
.chapter:hover {
  transform: translateY(-4px);
  border-color: rgba(42, 212, 198, 0.55);
  background: rgba(42, 212, 198, 0.06);
}
.chapter .num {
  color: var(--teal);
  letter-spacing: 0.16em;
  font-size: 13px;
}
.chapter h3 { margin: 22px 0 12px; font-size: 26px; }
.chapter p { color: var(--muted); }
.chapter .more {
  margin-top: auto;
  padding-top: 18px;
  color: var(--teal);
  font-size: 13px;
  letter-spacing: 0.14em;
}

.map-card, .board, .chat, .desk, .plan {
  background: rgba(8, 18, 32, 0.86);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.map-card {
  width: min(560px, 100%);
  border-radius: 24px;
  overflow: hidden;
}
.map-top, .board-top, .chat-top, .desk-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.map-top strong, .board-top strong, .chat-top strong, .desk-bar strong { color: var(--paper); }
.map-canvas { position: relative; height: 300px; background: #0c1b2c; }
.map-canvas svg { width: 100%; height: 100%; }
.block { fill: rgba(255, 255, 255, 0.035); stroke: rgba(255, 255, 255, 0.05); }
.road { fill: none; stroke: rgba(147, 164, 184, 0.22); stroke-width: 10; }
.route {
  fill: none;
  stroke: var(--teal);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 680;
  stroke-dashoffset: 680;
  filter: drop-shadow(0 0 6px rgba(42, 212, 198, 0.8));
}
.slide.is-in .route { animation: draw 2.2s ease forwards 0.25s; }
.start { fill: var(--amber); }

.pet-pin {
  position: absolute;
  right: 78px;
  top: 58px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.pet-pin img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  position: relative;
  z-index: 1;
  border: 2px solid var(--teal);
}
.pulse {
  position: absolute;
  left: 5px;
  top: 5px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid rgba(42, 212, 198, 0.7);
  animation: ping 2.2s ease-out infinite;
}
.pin-card {
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(7, 17, 28, 0.88);
  border: 1px solid var(--line);
}
.pin-card b, .pin-card span { display: block; }
.pin-card span { color: var(--muted); font-size: 12px; }
.map-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}
.map-foot div { padding: 12px 16px; }
.map-foot b, .map-foot span { display: block; }
.map-foot span { color: var(--muted); font-size: 12px; }
.map-foot div + div { border-left: 1px solid var(--line); }

.radar {
  position: relative;
  width: 460px;
  height: 460px;
  display: grid;
  place-items: center;
}
.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(42, 212, 198, 0.28);
}
.r1 { width: 180px; height: 180px; background: rgba(42, 212, 198, 0.08); }
.r2 { width: 300px; height: 300px; }
.r3 { width: 430px; height: 430px; }
.sweep {
  position: absolute;
  width: 215px;
  height: 215px;
  border-radius: 215px 0 0 0;
  background: linear-gradient(135deg, rgba(42, 212, 198, 0.28), transparent 62%);
  transform-origin: 100% 100%;
  right: 50%;
  bottom: 50%;
  animation: spin 8s linear infinite;
}
.zone {
  position: relative;
  z-index: 1;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #123246;
  border: 1px solid rgba(42, 212, 198, 0.5);
  font-weight: 700;
  letter-spacing: 0.12em;
}
.pet-dot {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 16px var(--teal);
  left: 58%;
  top: 42%;
}
.toast {
  position: absolute;
  left: 18px;
  bottom: 28px;
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.toast i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3ddc97;
  box-shadow: 0 0 10px #3ddc97;
}
.toast b, .toast span { display: block; }
.toast span { color: var(--muted); font-size: 12px; }

.board {
  width: min(520px, 100%);
  border-radius: 24px;
  padding-bottom: 8px;
}
.board-top div { display: flex; flex-direction: column; }
.board-top span, .board-top em { color: var(--muted); font-style: normal; font-size: 12px; }
.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 14px;
}
.metrics div, .behavior div, .desk-metrics div {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.metrics small, .metrics span,
.desk-metrics small,
.behavior span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}
.metrics b, .desk-metrics b { display: block; font-size: 26px; letter-spacing: -0.04em; margin: 2px 0; }
.chart { padding: 4px 16px 12px; }
.chart-label {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 10px;
}
.bars {
  height: 120px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
  align-items: end;
}
.bar { height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 6px; }
.bar i {
  display: block;
  width: 100%;
  height: var(--h);
  border-radius: 8px 8px 3px 3px;
  background: linear-gradient(180deg, #8ff7ee, #0f766e);
  transform: scaleY(0);
  transform-origin: bottom;
}
.slide.is-in .bar i { transform: scaleY(1); transition: transform 0.8s var(--ease); }
.bar:nth-child(2) i { transition-delay: 0.05s; }
.bar:nth-child(3) i { transition-delay: 0.1s; }
.bar:nth-child(4) i { transition-delay: 0.15s; }
.bar:nth-child(5) i { transition-delay: 0.2s; }
.bar:nth-child(6) i { transition-delay: 0.25s; }
.bar:nth-child(7) i { transition-delay: 0.3s; }
.bar span { color: var(--muted); font-size: 12px; }
.behavior {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 0 14px 14px;
}
.behavior b { font-weight: 600; }

.chat {
  width: min(480px, 100%);
  border-radius: 24px;
  overflow: hidden;
}
.chat-top { justify-content: flex-start; gap: 12px; }
.chat-top img { width: 36px; height: 36px; border-radius: 10px; }
.chat-top span { display: block; font-size: 12px; }
.chat-body { padding: 16px; display: grid; gap: 10px; }
.bubble {
  max-width: 92%;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 14px;
  opacity: 0;
  transform: translateY(8px);
}
.slide.is-in .bubble { animation: pop 0.45s ease forwards; }
.slide.is-in .bubble:nth-child(1) { animation-delay: 0.05s; }
.slide.is-in .bubble:nth-child(2) { animation-delay: 0.18s; }
.slide.is-in .bubble:nth-child(3) { animation-delay: 0.32s; }
.slide.is-in .bubble:nth-child(4) { animation-delay: 0.46s; }
.slide.is-in .bubble:nth-child(5) { animation-delay: 0.6s; }
.bubble.bot {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
}
.bubble.me {
  justify-self: end;
  background: rgba(42, 212, 198, 0.16);
  border: 1px solid rgba(42, 212, 198, 0.35);
}
.chips { display: flex; gap: 8px; padding: 0 16px 16px; flex-wrap: wrap; }
.chips span {
  font-size: 12px;
  color: #d5e2ee;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
}

.desk {
  width: min(560px, 100%);
  border-radius: 22px;
  overflow: hidden;
}
.desk-bar { gap: 12px; justify-content: flex-start; }
.dots3 { display: flex; gap: 6px; margin-right: 8px; }
.dots3 i { width: 8px; height: 8px; border-radius: 50%; background: #355068; display: block; }
.dots3 i:first-child { background: #f0b429; }
.desk-bar em { margin-left: auto; font-style: normal; color: #7dffa8; font-size: 12px; }
.desk-body { display: grid; grid-template-columns: 132px 1fr; min-height: 320px; }
.desk-body aside {
  padding: 18px 14px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
}
.desk-body aside img { width: 72px; height: 72px; border-radius: 20px; margin: 0 auto 10px; }
.desk-body aside b, .desk-body aside > span { display: block; }
.desk-body aside > span { color: var(--muted); font-size: 12px; margin-bottom: 16px; }
.desk-body nav { display: grid; gap: 6px; }
.desk-body nav span {
  text-align: left;
  padding: 7px 10px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 13px;
}
.desk-body nav .on { background: rgba(42, 212, 198, 0.14); color: var(--paper); }
.desk-main { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.insight {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(42, 212, 198, 0.08);
  border: 1px solid rgba(42, 212, 198, 0.2);
  color: #d7fff9;
  font-size: 14px;
}
.desk-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.desk-metrics b { font-size: 20px; }
.desk-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: auto; }
.desk-actions span {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  font-weight: 600;
}
.desk-actions small { display: block; color: var(--muted); font-weight: 400; font-size: 12px; }

.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan {
  border-radius: 22px;
  padding: 22px 22px 18px;
  min-height: 360px;
}
.plan-top {
  background:
    linear-gradient(180deg, rgba(42, 212, 198, 0.16), rgba(8, 18, 32, 0.9) 42%);
  border-color: rgba(42, 212, 198, 0.55);
}
.plan-tag { color: var(--teal); letter-spacing: 0.14em; font-size: 12px; }
.plan h3 { font-size: 30px; margin: 10px 0 8px; }
.plan > p { color: var(--muted); min-height: 48px; }
.plan ul { margin-top: 16px; display: grid; gap: 8px; }
.plan li {
  position: relative;
  padding-left: 18px;
  color: #e4eef6;
}
.plan li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.site-foot {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18px;
  display: flex;
  justify-content: center;
  gap: 28px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.site-foot strong { color: var(--paper); letter-spacing: 0.12em; }

.rise {
  opacity: 0;
  transform: translateY(22px);
}
.slide.is-in .rise {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.slide.is-in .rise:nth-child(2) { transition-delay: 0.06s; }
.slide.is-in .rise:nth-child(3) { transition-delay: 0.12s; }
.slide.is-in .rise:nth-child(4) { transition-delay: 0.18s; }
.slide.is-in .chapter-row .rise:nth-child(1),
.slide.is-in .plan-grid .rise:nth-child(1) { transition-delay: 0.08s; }
.slide.is-in .chapter-row .rise:nth-child(2),
.slide.is-in .plan-grid .rise:nth-child(2) { transition-delay: 0.14s; }
.slide.is-in .chapter-row .rise:nth-child(3),
.slide.is-in .plan-grid .rise:nth-child(3) { transition-delay: 0.2s; }
.slide.is-in .chapter-row .rise:nth-child(4) { transition-delay: 0.26s; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes wheel {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(8px); }
}
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes ping {
  0% { transform: scale(0.7); opacity: 0.8; }
  100% { transform: scale(2.1); opacity: 0; }
}
@keyframes pop {
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .viewport { transition: none; }
  .rise, .bubble, .bar i, .route { opacity: 1; transform: none; animation: none; stroke-dashoffset: 0; }
  .orbit, .sweep, .hud, .scroll-hint span::after, .pulse { animation: none; }
}