:root {
  --bg-0: #06090e;
  --bg-1: #0a1017;
  --text: #e7eef7;
  --muted: #93a8bd;
  --accent: #53c6e0;
  --ok: #58d892;
  --radius-lg: 22px;
  --radius-md: 14px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
  --bg-parallax-x: 0px;
  --bg-parallax-y: 0px;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  background: var(--bg-0);
  color: var(--text);
  overflow: hidden;
}

.backdrop {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 18%, rgba(73, 137, 182, 0.16), transparent 38%),
    radial-gradient(circle at 82% 70%, rgba(31, 86, 123, 0.22), transparent 34%),
    linear-gradient(160deg, #06090e 5%, #09131d 56%, #05070b 100%);
  z-index: -2;
  opacity: 1;
}

.backdrop::before,
.backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.backdrop::before {
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 88%);
  opacity: 0.3;
}

.backdrop::after {
  background: radial-gradient(circle at center, rgba(109, 198, 255, 0.14), transparent 54%);
}

.bg-starfield {
  position: fixed;
  inset: -4%;
  pointer-events: none;
  z-index: -1;
  transition: transform 140ms ease-out;
}

.bg-starfield--far {
  opacity: 0.24;
  background-image:
    radial-gradient(1px 1px at 15% 22%, rgba(180, 220, 242, 0.7), transparent 60%),
    radial-gradient(1px 1px at 72% 28%, rgba(188, 232, 255, 0.6), transparent 60%),
    radial-gradient(1px 1px at 35% 68%, rgba(171, 221, 247, 0.52), transparent 60%),
    radial-gradient(1px 1px at 84% 74%, rgba(171, 221, 247, 0.46), transparent 60%),
    radial-gradient(1px 1px at 48% 44%, rgba(178, 228, 252, 0.54), transparent 60%);
  background-size: 280px 280px, 260px 260px, 310px 310px, 290px 290px, 340px 340px;
  transform: translate3d(calc(var(--bg-parallax-x) * -0.38), calc(var(--bg-parallax-y) * -0.38), 0);
}

.bg-starfield--near {
  opacity: 0.3;
  background-image:
    radial-gradient(1.6px 1.6px at 11% 16%, rgba(194, 237, 255, 0.76), transparent 62%),
    radial-gradient(1.2px 1.2px at 69% 33%, rgba(179, 229, 255, 0.68), transparent 62%),
    radial-gradient(1.4px 1.4px at 25% 57%, rgba(201, 240, 255, 0.72), transparent 62%),
    radial-gradient(1.5px 1.5px at 63% 82%, rgba(173, 223, 246, 0.64), transparent 62%),
    radial-gradient(1.3px 1.3px at 91% 46%, rgba(183, 231, 253, 0.64), transparent 62%);
  background-size: 210px 210px, 240px 240px, 230px 230px, 260px 260px, 220px 220px;
  transform: translate3d(calc(var(--bg-parallax-x) * -0.72), calc(var(--bg-parallax-y) * -0.72), 0);
}

.meteor-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.meteor {
  position: absolute;
  width: var(--meteor-len, 130px);
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(225, 248, 255, 0.98) 0%,
    rgba(176, 232, 255, 0.7) 18%,
    rgba(176, 232, 255, 0.16) 62%,
    transparent 100%
  );
  box-shadow: 0 0 10px rgba(157, 226, 255, 0.62);
  opacity: 0;
  transform-origin: left center;
  animation: meteorFlight var(--meteor-dur, 2200ms) linear;
}

.meteor::after {
  content: "";
  position: absolute;
  left: -2px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: rgba(238, 252, 255, 0.98);
  box-shadow: 0 0 12px rgba(186, 239, 255, 0.92);
}

@keyframes meteorFlight {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) rotate(var(--meteor-angle, 0deg));
  }
  10% {
    opacity: 0.92;
  }
  74% {
    opacity: 0.88;
  }
  92% {
    opacity: 0.38;
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--meteor-dx, -440px), var(--meteor-dy, 300px), 0) rotate(var(--meteor-angle, 0deg));
  }
}

.app {
  min-height: 100vh;
}

.system-shell {
  position: relative;
  min-height: 100vh;
  padding: 24px 24px 26px;
}

.topbar {
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.topbar-controls {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(130, 171, 207, 0.28);
  border-radius: 999px;
  background: rgba(8, 16, 24, 0.66);
}

.lang-switch__btn {
  border: 0;
  border-radius: 999px;
  padding: 4px 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: #b5cada;
  background: transparent;
  cursor: pointer;
}

.lang-switch__btn.is-active {
  color: #e9f5ff;
  background: rgba(79, 154, 197, 0.35);
}

.lang-switch__btn:focus-visible {
  outline: 1px solid rgba(139, 226, 255, 0.74);
  outline-offset: 1px;
}

.identity {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.identity__name {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.22em;
  color: #dce8f4;
}

.identity__accent {
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 0 10px rgba(139, 226, 255, 0.12);
}

.identity__role {
  font-size: 0.8rem;
  color: var(--muted);
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(88, 216, 146, 0.4);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.74rem;
  color: #cdeeda;
  background: rgba(6, 20, 14, 0.52);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 16px rgba(88, 216, 146, 0.72);
}

.core-stage {
  position: relative;
  height: calc(100vh - 96px);
  border: 1px solid rgba(130, 171, 207, 0.2);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(8, 13, 18, 0.62), rgba(8, 14, 20, 0.84));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.eyebrow {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8eb5d1;
}

.keyping-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 20%, rgba(81, 183, 214, 0.16), transparent 42%),
    linear-gradient(170deg, rgba(7, 13, 19, 0.85), rgba(7, 16, 23, 0.9));
  transition: filter 420ms cubic-bezier(0.22, 1, 0.36, 1), opacity 420ms cubic-bezier(0.22, 1, 0.36, 1), transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.keyping-scroll {
  flex: 1;
  min-height: 0;
  padding: 50px 24px 24px;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(114, 182, 216, 0.62) rgba(6, 16, 24, 0.82);
}

.keyping-scroll::-webkit-scrollbar {
  width: 11px;
}

.keyping-scroll::-webkit-scrollbar-track {
  background: linear-gradient(180deg, rgba(5, 13, 20, 0.92), rgba(7, 18, 27, 0.9));
  border-left: 1px solid rgba(109, 156, 185, 0.16);
}

.keyping-scroll::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(114, 182, 216, 0.74), rgba(84, 149, 182, 0.72));
  border-radius: 999px;
  border: 2px solid rgba(7, 18, 27, 0.92);
  box-shadow: inset 0 0 0 1px rgba(184, 230, 252, 0.2);
}

.keyping-scroll::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(142, 213, 242, 0.84), rgba(93, 170, 205, 0.82));
}

.keyping-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(132, 180, 211, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(132, 180, 211, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.18;
}

.keyping-crumbbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  margin: 0;
  padding: 7px 24px;
  border-bottom: 1px solid rgba(124, 168, 194, 0.18);
  background: linear-gradient(180deg, rgba(8, 19, 30, 0.94), rgba(8, 19, 30, 0.42));
  backdrop-filter: blur(8px);
}

.keyping-back {
  position: relative;
  top: 0;
  left: 0;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  text-decoration: none;
  color: #e4f3ff;
}

.keyping-crumbs {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #bfd9eb;
  white-space: nowrap;
}

.keyping-crumbs__sep {
  color: #79a9c6;
}
.keyping-crumbs a {
  color: inherit;
  text-decoration: none;
  transition: color 160ms ease;
}
.keyping-crumbs a:hover,
.keyping-crumbs a:focus-visible { color: #e7f6ff; }

.keyping-back__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  color: #dff3ff;
}

.keyping-back__icon svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.back-button {
  border: 1px solid rgba(143, 186, 214, 0.36);
  border-radius: 999px;
  color: inherit;
  background: linear-gradient(145deg, rgba(14, 30, 43, 0.9), rgba(9, 20, 31, 0.85));
  box-shadow: 0 8px 18px rgba(6, 18, 28, 0.4);
  width: 28px;
  height: 28px;
  padding: 0;
  cursor: pointer;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.back-button:hover,
.back-button:focus-visible {
  border-color: rgba(151, 233, 255, 0.86);
  box-shadow: 0 0 0 1px rgba(139, 226, 255, 0.24), 0 14px 26px rgba(7, 22, 32, 0.5);
  transform: translateY(-1px);
}

.back-button:active {
  transform: translateY(0);
}

body.is-leaving-keyping .keyping-stage {
  transition-duration: 160ms;
  filter: saturate(1.04);
  opacity: 0.72;
  transform: scale(0.985) translateY(-10px);
}

.keyping-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0 0 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(122, 165, 193, 0.22);
}

.keyping-mark {
  width: 74px;
  aspect-ratio: 1;
  border-radius: 20px;
  border: 1px solid rgba(152, 222, 242, 0.6);
  background: linear-gradient(150deg, rgba(23, 60, 82, 0.88), rgba(10, 24, 33, 0.72));
  box-shadow: 0 0 0 1px rgba(109, 194, 223, 0.32), 0 14px 34px rgba(14, 42, 56, 0.54);
  display: grid;
  place-items: center;
}

.keyping-mark span {
  font-family: "Space Grotesk", sans-serif;
  font-size: 2rem;
  color: #d9f6ff;
}

.keyping-mark img {
  width: 68%;
  height: 68%;
  object-fit: contain;
  filter: drop-shadow(0 8px 14px rgba(3, 9, 14, 0.42));
}

.keyping-tagline {
  margin: 0;
  color: #b8ccde;
}

.keyping-punchline {
  margin-top: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.04rem;
  letter-spacing: 0.02em;
  color: #e7f7ff;
}

.keyping-module-shell {
  position: relative;
  z-index: 1;
  border: 1px solid rgba(132, 172, 199, 0.24);
  border-radius: 16px;
  background:
    linear-gradient(165deg, rgba(9, 16, 24, 0.9), rgba(8, 13, 20, 0.84));
  box-shadow: 0 24px 58px rgba(3, 8, 13, 0.5);
  padding: 18px;
  transform: translateY(8px);
  opacity: 0;
  transition: transform 460ms cubic-bezier(0.22, 1, 0.36, 1), opacity 420ms ease;
}

.keyping-page.is-keyping-ready .keyping-module-shell {
  transform: none;
  opacity: 1;
}

.keyping-title {
  flex: 1;
}

.keyping-health {
  min-width: 220px;
  border: 1px solid rgba(111, 154, 182, 0.3);
  border-radius: 12px;
  background: rgba(8, 17, 25, 0.68);
  padding: 10px 12px;
  text-align: right;
}

.keyping-health__label {
  margin: 0 0 4px;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #8fb5cf;
}

.keyping-health__state {
  margin: 0;
  color: #beeaf7;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
}

.keyping-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}

.keyping-pill {
  border: 1px solid rgba(140, 188, 216, 0.34);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(10, 24, 35, 0.6);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: #cbe4f4;
}

.keyping-section {
  border: 1px solid rgba(134, 175, 201, 0.2);
  border-radius: 14px;
  background:
    linear-gradient(156deg, rgba(10, 22, 33, 0.84), rgba(8, 18, 27, 0.74));
  padding: 14px;
}

.keyping-section h3 {
  margin: 0 0 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
}

.keyping-section p {
  margin: 0;
  color: #bed2e2;
  line-height: 1.5;
}

.keyping-section p + p {
  margin-top: 10px;
}

.keyping-actions {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.keyping-action {
  display: grid;
  gap: 4px;
  align-items: start;
  border: 1px solid rgba(129, 173, 201, 0.34);
  border-radius: 14px;
  padding: 10px 14px;
  color: #d8ebf8;
  text-decoration: none;
  min-width: 240px;
  background: rgba(9, 21, 31, 0.68);
}

.keyping-action__eyebrow {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: #9bc1da;
}

.keyping-action__title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  color: #e8f8ff;
}

.keyping-action--download {
  border-color: rgba(103, 214, 244, 0.72);
  background: linear-gradient(140deg, rgba(23, 91, 122, 0.94), rgba(13, 57, 79, 0.9));
  box-shadow: 0 14px 28px rgba(9, 42, 60, 0.52);
}

.keyping-action--github {
  border-color: rgba(163, 185, 211, 0.44);
  background: linear-gradient(140deg, rgba(26, 34, 49, 0.88), rgba(15, 24, 37, 0.86));
}

.keyping-action:hover,
.keyping-action:focus-visible {
  border-color: rgba(142, 230, 255, 0.72);
  box-shadow: 0 0 0 1px rgba(139, 226, 255, 0.22), 0 12px 22px rgba(7, 30, 45, 0.45);
}

.keyping-visuals {
  margin-top: 14px;
}

.keyping-media-grid {
  margin-top: 12px;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  align-items: stretch;
  height: 600px;
  overflow: hidden;
}

.keyping-media-rail {
  display: grid;
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 10px;
  height: 100%;
  min-height: 0;
}

.keyping-media {
  margin: 0;
  border: 1px solid rgba(136, 176, 201, 0.28);
  border-radius: 12px;
  background: rgba(8, 17, 25, 0.68);
  overflow: hidden;
  box-shadow: 0 16px 30px rgba(4, 12, 18, 0.4);
  cursor: zoom-in;
  min-height: 0;
}

.keyping-media figcaption {
  display: none;
}

.keyping-media--composite {
  padding: 0;
}

.keyping-media-composite {
  display: grid;
  grid-template-rows: 3.5fr 0.95fr;
  gap: 0;
  height: 100%;
}

.keyping-media--composite .keyping-media-composite img {
  height: 100%;
  max-height: none;
  object-fit: cover;
}

.keyping-media--composite .keyping-media-composite img + img {
  border-top: 1px solid rgba(136, 176, 201, 0.24);
  object-fit: contain;
  background: rgba(6, 12, 18, 0.92);
}

.keyping-media--compact img {
  max-height: 300px;
  object-fit: contain;
}

.keyping-media img,
.keyping-media video {
  display: block;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  background: rgba(6, 12, 18, 0.78);
}

.keyping-media--hero img,
.keyping-media--hero video {
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: none;
  object-fit: cover;
}

.keyping-media figcaption {
  padding: 10px 11px;
  border-top: 1px solid rgba(136, 176, 201, 0.2);
  color: #bdd3e4;
  font-size: 0.82rem;
  line-height: 1.42;
}

.keyping-media:focus-visible {
  outline: 1px solid rgba(142, 230, 255, 0.82);
  outline-offset: 2px;
}

.keyping-media--more {
  position: relative;
}

.keyping-media--more::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 10, 15, 0.08), rgba(3, 10, 15, 0.56));
}

.keyping-media-more-badge {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(177, 224, 247, 0.7);
  border-radius: 999px;
  padding: 8px 14px;
  background: rgba(7, 20, 30, 0.82);
  color: #ecf8ff;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  pointer-events: none;
}

.keyping-media-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

.keyping-lightbox {
  position: fixed;
  inset: 0;
  z-index: 14;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.keyping-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.keyping-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 9, 14, 0.86);
  backdrop-filter: blur(4px);
}

.keyping-lightbox__dialog {
  position: absolute;
  inset: 22px;
  display: block;
}

.keyping-lightbox__figure {
  margin: 0;
  height: 100%;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  border: 1px solid rgba(140, 183, 210, 0.34);
  border-radius: 12px;
  background: rgba(7, 16, 24, 0.92);
  overflow: hidden;
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.52);
}

.keyping-lightbox__figure img {
  display: block;
  width: 100%;
  height: calc(100vh - 120px);
  object-fit: contain;
  background: rgba(4, 10, 15, 0.94);
}

.keyping-lightbox__figure #keyping-lightbox-image-secondary {
  display: none;
}

.keyping-lightbox__figure video {
  display: none;
  width: 100%;
  height: calc(100vh - 120px);
  object-fit: contain;
  background: rgba(4, 10, 15, 0.94);
}

.keyping-lightbox__figure.is-video img {
  display: none;
}

.keyping-lightbox__figure.is-video video {
  display: block;
}

.keyping-lightbox__figure.is-composite {
  grid-template-rows: minmax(0, 1fr) minmax(78px, 16.5vh) auto;
}

.keyping-lightbox__figure.is-composite img {
  height: 100%;
  object-fit: contain;
}

.keyping-lightbox__figure.is-composite #keyping-lightbox-image-secondary {
  display: block;
  border-top: 1px solid rgba(140, 183, 210, 0.2);
}

.keyping-lightbox__figure figcaption {
  padding: 10px 12px;
  border-top: 1px solid rgba(140, 183, 210, 0.24);
  color: #c2d8e9;
  font-size: 0.84rem;
}

.keyping-lightbox__close,
.keyping-lightbox__nav {
  border: 1px solid rgba(145, 183, 207, 0.42);
  border-radius: 999px;
  background: rgba(12, 23, 34, 0.82);
  color: #e4f3ff;
  font-family: "Space Grotesk", sans-serif;
  cursor: pointer;
  display: grid;
  place-items: center;
  line-height: 1;
  z-index: 2;
}

.keyping-lightbox__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 44px;
  height: 44px;
}

.keyping-lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 58px;
  height: 58px;
}

.keyping-lightbox__nav--prev {
  left: 10px;
}

.keyping-lightbox__nav--next {
  right: 10px;
}

.keyping-lightbox__close svg,
.keyping-lightbox__nav svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.keyping-lightbox__nav svg {
  width: 28px;
  height: 28px;
}

.keyping-lightbox__close:hover,
.keyping-lightbox__close:focus-visible,
.keyping-lightbox__nav:hover,
.keyping-lightbox__nav:focus-visible {
  border-color: rgba(170, 237, 255, 0.8);
  box-shadow: 0 0 0 1px rgba(139, 226, 255, 0.24), 0 12px 20px rgba(8, 24, 36, 0.5);
}

body.is-lightbox-open {
  overflow: hidden;
}

.keyping-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  margin-top: 14px;
}

.keyping-card {
  position: relative;
  overflow: hidden;
}

.keyping-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(152, 221, 245, 0.55), transparent);
}

.keyping-card h3 {
  padding-right: 10px;
}

.keyping-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
}

.keyping-list li {
  color: #c5d8e7;
  line-height: 1.45;
}

.keyping-flow {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.keyping-flow li {
  color: #c5d8e7;
  line-height: 1.45;
}

.keyping-stack-line {
  display: grid;
  gap: 3px;
  margin-top: 10px !important;
}

.keyping-stack-line:first-of-type {
  margin-top: 0 !important;
}

.keyping-stack-line span {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #8db5d2;
}

.keyping-stack-line strong {
  color: #d6e8f6;
  font-size: 0.9rem;
  font-weight: 600;
}

.keyping-fingerprint-label,
.keyping-cmd-label {
  margin-top: 12px !important;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #8fb8d2;
}

.keyping-fingerprint {
  display: inline-block;
  margin-top: 6px;
  border: 1px solid rgba(140, 183, 210, 0.28);
  border-radius: 10px;
  background: rgba(6, 16, 24, 0.72);
  padding: 8px 10px;
  color: #d7ecf8;
  font-family: "Consolas", "SFMono-Regular", "Menlo", monospace;
  font-size: 0.82rem;
}

.keyping-code {
  margin: 7px 0 0;
  border: 1px solid rgba(130, 170, 194, 0.24);
  border-radius: 10px;
  background: rgba(4, 11, 17, 0.9);
  padding: 10px;
  color: #c3deee;
  font-family: "Consolas", "SFMono-Regular", "Menlo", monospace;
  font-size: 0.78rem;
  overflow-x: auto;
}

.keyping-section--roadmap {
  margin-top: 14px;
}

.keyping-section--roadmap .keyping-list {
  margin-top: 8px;
}

.keyping-why {
  margin-top: 14px;
}

.keyping-why__subtitle {
  margin-top: -2px !important;
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: #8fb8d2;
}

.keyping-why-grid {
  margin-top: 12px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
}

.keyping-why-card {
  border: 1px solid rgba(132, 175, 202, 0.24);
  border-radius: 12px;
  background: linear-gradient(155deg, rgba(10, 22, 33, 0.72), rgba(8, 17, 26, 0.66));
  padding: 10px 11px;
}

.keyping-why-card h4 {
  margin: 0 0 7px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.92rem;
  color: #dff2ff;
}

.keyping-why-card p {
  margin: 0;
  color: #bdd2e3;
  font-size: 0.88rem;
  line-height: 1.45;
}

.keyping-why-focus {
  margin-top: 12px;
  border: 1px solid rgba(112, 186, 222, 0.34);
  border-radius: 12px;
  background: linear-gradient(150deg, rgba(17, 49, 69, 0.52), rgba(10, 27, 39, 0.58));
  padding: 11px 12px;
}

.keyping-why-focus h4 {
  margin: 0 0 7px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
  color: #e3f5ff;
}

.keyping-why-focus p {
  margin: 0;
  color: #c9ddec;
}

.keyping-metrics {
  margin-top: 14px;
}

.keyping-metrics__subtitle {
  margin-top: -2px !important;
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: #8fb8d2;
}

.keyping-metrics-grid {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
}

.keyping-metrics-grid li {
  border: 1px solid rgba(130, 182, 213, 0.26);
  border-radius: 12px;
  background: linear-gradient(155deg, rgba(10, 22, 33, 0.72), rgba(8, 17, 26, 0.64));
  padding: 10px 11px;
  color: #d6ebf8;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.keyping-metrics__statement {
  margin-top: 12px !important;
  color: #cde3f2 !important;
}

body.is-leaving-keyping .keyping-section,
body.is-leaving-keyping .keyping-pill {
  transition-duration: 160ms;
  border-color: rgba(156, 190, 212, 0.24);
}

body.is-leaving-keyping .keyping-action {
  transition-duration: 160ms;
  filter: saturate(0.86);
}

@media (max-width: 860px) {
  body {
    overflow: auto;
  }

  .system-shell {
    min-height: auto;
    padding: 14px;
  }

  .topbar {
    margin-bottom: 10px;
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .topbar-controls {
    width: 100%;
    justify-content: space-between;
  }

  .core-stage {
    height: 65vh;
    min-height: 420px;
    border-radius: 18px;
  }

  .keyping-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .keyping-health {
    min-width: 100%;
    text-align: left;
  }

  .keyping-stage {
    padding: 0;
  }

  .keyping-scroll {
    padding: 44px 14px 14px;
    scrollbar-width: auto;
  }

  .keyping-scroll::-webkit-scrollbar {
    width: 8px;
  }

  .keyping-grid {
    grid-template-columns: 1fr;
    padding-bottom: 22px;
  }

  .keyping-why-grid {
    grid-template-columns: 1fr;
  }

  .keyping-metrics-grid {
    grid-template-columns: 1fr;
  }

  .keyping-media-grid {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }

  .keyping-crumbbar {
    min-height: 36px;
    margin: 0;
    padding: 6px 14px;
  }

  .keyping-crumbs {
    font-size: 0.64rem;
    gap: 6px;
  }

  .keyping-back__icon svg {
    width: 12px;
    height: 12px;
  }

  .back-button {
    width: 26px;
    height: 26px;
  }

  .keyping-media--hero img,
  .keyping-media--hero video {
    min-height: 210px;
    max-height: 250px;
  }

  .keyping-media-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: none;
    height: auto;
  }

  .keyping-lightbox__dialog {
    inset: 12px;
  }

  .keyping-lightbox__figure img,
  .keyping-lightbox__figure video {
    height: calc(100vh - 170px);
  }

  .keyping-lightbox__close {
    width: 40px;
    height: 40px;
  }

  .keyping-lightbox__nav {
    width: 44px;
    height: 44px;
  }

  .keyping-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .keyping-action {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}