:root {
  --ink: #040b18;
  --ink-soft: #081329;
  --ink-raised: #0b1c36;
  --paper: #edf6ff;
  --paper-soft: #b9cae0;
  --signal: #4cc9ff;
  --signal-soft: #7adfff;
  --signal-deep: #168cff;
  --flare: #7c8cff;
  --muted: #6f8cab;
  --line: rgba(221, 238, 255, 0.14);
  --line-strong: rgba(221, 238, 255, 0.26);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
  --display: "Source Han Sans SC", "思源黑体 CN", "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --sans: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "Cascadia Mono", Bahnschrift, "DIN Alternate", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  min-width: 300px;
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--sans);
  line-height: 1.65;
  overflow-x: hidden;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::selection {
  color: var(--ink);
  background: var(--signal);
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.page-noise {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.13;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.88' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.34'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.skip-link {
  position: fixed;
  top: 0.8rem;
  left: 0.8rem;
  z-index: 999;
  padding: 0.65rem 1rem;
  color: var(--ink);
  background: var(--signal);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(1240px, calc(100% - 64px));
  margin-inline: auto;
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 30;
  border-bottom: 1px solid rgba(221, 238, 255, 0.08);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  min-height: 94px;
}

.brand {
  display: inline-flex;
  gap: 0.85rem;
  align-items: center;
  justify-self: start;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  overflow: hidden;
  place-items: center;
  border: 0;
  border-radius: 13px;
  background: rgba(76, 201, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(76, 201, 255, 0.38), 0 0 24px rgba(22, 140, 255, 0.15);
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-copy {
  display: grid;
  gap: 0.05rem;
}

.brand-copy b {
  font-size: 0.92rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.brand-copy small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.15em;
}

.main-nav {
  display: flex;
  gap: clamp(1.5rem, 3vw, 3.2rem);
  align-items: center;
}

.main-nav a {
  position: relative;
  color: var(--paper-soft);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.55rem;
  left: 0;
  height: 1px;
  content: "";
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 240ms ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-action {
  display: inline-flex;
  gap: 0.7rem;
  align-items: center;
  justify-self: end;
  padding: 0.68rem 0.92rem 0.68rem 1.1rem;
  border: 1px solid rgba(221, 238, 255, 0.24);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.header-action span {
  color: var(--signal);
  font-size: 1rem;
}

.header-action:hover,
.header-action:focus-visible {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

.header-action:hover span,
.header-action:focus-visible span {
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 100svh;
  padding: 154px 0 42px;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(90deg, rgba(221, 238, 255, 0.025) 1px, transparent 1px) 50% 0 / 11.111% 100%,
    radial-gradient(circle at 77% 40%, rgba(30, 126, 255, 0.1), transparent 31%),
    linear-gradient(145deg, #040b18 0%, #040b18 56%, #071329 100%);
}

.hero::before {
  position: absolute;
  inset: 94px 0 auto;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(76, 201, 255, 0.25), transparent);
}

.hero::after {
  position: absolute;
  right: -10vw;
  bottom: 8%;
  z-index: -1;
  width: 34vw;
  min-width: 380px;
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(76, 201, 255, 0.1);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(76, 201, 255, 0.018), 0 0 0 160px rgba(76, 201, 255, 0.01);
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: -18%;
  z-index: -1;
  width: 60vw;
  height: 70vw;
  opacity: 0.7;
  background: radial-gradient(ellipse, rgba(124, 140, 255, 0.09), transparent 64%);
  transform: rotate(-18deg);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(460px, 0.82fr);
  gap: clamp(3rem, 5vw, 5rem);
  align-items: center;
  min-height: calc(100svh - 250px);
}

.hero-copy {
  position: relative;
  z-index: 3;
  padding: 2.5rem 0 3rem;
}

.eyebrow {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin: 0 0 1.9rem;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
}

.eyebrow > span {
  width: 36px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.25rem, 4.45vw, 4.9rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.hero h1 em,
.finale h2 em {
  position: relative;
  display: inline-block;
  color: var(--signal);
  font-style: normal;
}

.hero h1 em::after {
  position: absolute;
  right: -0.12em;
  bottom: 0.08em;
  width: 0.12em;
  height: 0.12em;
  content: "";
  border-radius: 50%;
  background: var(--flare);
  box-shadow: 0 0 22px rgba(124, 140, 255, 0.75);
}

.hero-intro {
  max-width: 640px;
  margin: 2.1rem 0 0;
  color: var(--paper-soft);
  font-size: clamp(1rem, 1.15vw, 1.14rem);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.25rem;
}

.button {
  display: inline-flex;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.8rem 1.35rem;
  border: 1px solid transparent;
  font-size: 0.83rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: transform 180ms ease, color 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--ink);
  background: var(--signal);
  box-shadow: 0 12px 32px rgba(76, 201, 255, 0.12);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #a6e8ff;
  box-shadow: 0 14px 40px rgba(76, 201, 255, 0.2);
}

.button-ghost {
  color: var(--paper);
  border-color: var(--line-strong);
  background: rgba(221, 238, 255, 0.025);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: var(--paper-soft);
  background: rgba(221, 238, 255, 0.07);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.6rem;
  padding: 0;
  margin: 2.5rem 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  list-style: none;
}

.hero-facts li {
  display: flex;
  gap: 0.45rem;
  align-items: center;
}

.hero-facts span {
  color: var(--flare);
  font-family: var(--mono);
  font-size: 0.58rem;
}

.language-stage {
  --pointer-x: 50%;
  --pointer-y: 44%;
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  position: relative;
  perspective: 1200px;
}

.language-stage::before {
  position: absolute;
  inset: -26%;
  z-index: -2;
  content: "";
  background: radial-gradient(circle at var(--pointer-x) var(--pointer-y), rgba(76, 201, 255, 0.14), rgba(26, 142, 255, 0.04) 26%, transparent 56%);
  filter: blur(10px);
  transition: background-position 120ms linear;
}

.stage-aura {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -2;
  width: 112%;
  aspect-ratio: 1;
  border: 1px solid rgba(88, 188, 255, 0.12);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.stage-aura::before,
.stage-aura::after {
  position: absolute;
  top: 50%;
  left: 50%;
  content: "";
  border: 1px solid rgba(76, 201, 255, 0.08);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.stage-aura::before {
  width: 78%;
  height: 78%;
}

.stage-aura::after {
  width: 126%;
  height: 126%;
  border-style: dashed;
  animation: orbit-spin 36s linear infinite;
}

.stage-frame {
  position: relative;
  z-index: 2;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(221, 238, 255, 0.19);
  border-radius: 2px;
  background:
    linear-gradient(rgba(76, 201, 255, 0.035) 1px, transparent 1px) 0 0 / 100% 32px,
    linear-gradient(90deg, rgba(76, 201, 255, 0.025) 1px, transparent 1px) 0 0 / 32px 100%,
    rgba(5, 16, 36, 0.88);
  box-shadow: var(--shadow), inset 0 0 80px rgba(22, 140, 255, 0.025);
  backdrop-filter: blur(18px);
  transform: rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transform-style: preserve-3d;
  transition: transform 180ms ease-out;
}

.stage-frame::before,
.stage-frame::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.stage-frame::before {
  inset: 0;
  z-index: 6;
  background: linear-gradient(105deg, transparent 26%, rgba(255, 255, 255, 0.035) 42%, transparent 58%);
  transform: translateX(-80%);
  animation: glass-scan 8s ease-in-out infinite;
}

.stage-frame::after {
  inset: 10px;
  border: 1px solid rgba(76, 201, 255, 0.055);
}

.stage-topbar {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
  min-height: 62px;
  padding: 0 1.2rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
}

.stage-status {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.stage-status b {
  color: var(--paper-soft);
  font-size: inherit;
  font-weight: 500;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--flare);
  box-shadow: 0 0 0 5px rgba(124, 140, 255, 0.1), 0 0 12px rgba(124, 140, 255, 0.8);
  animation: live-pulse 1.8s ease-out infinite;
}

.stage-route {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  color: var(--paper);
}

.stage-route span {
  min-width: 2.5rem;
  padding: 0.25rem 0.42rem;
  border: 1px solid var(--line-strong);
  text-align: center;
}

.stage-route i {
  color: var(--signal);
  font-style: normal;
}

.stage-topbar time {
  justify-self: end;
}

.stage-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 365px;
  padding: 3rem clamp(1.6rem, 4vw, 3.2rem) 2rem;
  transition: opacity 240ms ease, transform 240ms ease, filter 240ms ease;
}

.stage-content::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(76, 201, 255, 0.055) 49%, rgba(76, 201, 255, 0.2) 50%, transparent 51%);
  background-size: 100% 160px;
}

.stage-content.is-outputting::after {
  opacity: 1;
  animation: output-scan 2.2s linear infinite;
}

.stage-content.is-changing {
  opacity: 0;
  filter: blur(4px);
  transform: translateY(8px);
}

.caption-kicker {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin: 0 0 0.8rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.2em;
}

.caption-kicker i {
  width: 34px;
  height: 1px;
  background: currentColor;
}

.caption-kicker-target {
  color: rgba(76, 201, 255, 0.64);
}

.caption-source,
.caption-target {
  min-height: 2.5em;
  margin: 0;
  line-height: 1.4;
  transition: color 160ms ease;
}

.caption-source {
  font-family: var(--display);
  font-size: clamp(1.65rem, 2.7vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.025em;
}

.caption-target {
  color: var(--signal);
  font-family: var(--mono);
  font-size: clamp(1rem, 1.45vw, 1.35rem);
  font-weight: 360;
  letter-spacing: 0.01em;
}

.caption-source.is-typing::after,
.caption-target.is-typing::after {
  display: inline-block;
  width: 0.08em;
  height: 0.92em;
  margin-left: 0.12em;
  content: "";
  vertical-align: -0.06em;
  background: currentColor;
  box-shadow: 0 0 14px currentColor;
  animation: typing-cursor 720ms steps(1, end) infinite;
}

.stage-content.is-outputting .caption-kicker span {
  color: var(--signal);
  text-shadow: 0 0 12px rgba(76, 201, 255, 0.4);
}

.translation-rule {
  position: relative;
  width: 100%;
  height: 1px;
  margin: 1.7rem 0 1.35rem;
  overflow: hidden;
  background: var(--line);
}

.translation-rule span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 42%;
  background: linear-gradient(90deg, var(--signal-deep), var(--signal));
  box-shadow: 0 0 15px rgba(76, 201, 255, 0.3);
  animation: translate-progress 4.7s ease-in-out infinite;
}

.stage-footer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) 1fr;
  gap: 1.2rem;
  align-items: center;
  min-height: 74px;
  padding: 0 1.2rem;
  border-top: 1px solid var(--line);
  background: rgba(4, 11, 24, 0.5);
}

.waveform {
  display: flex;
  gap: 2px;
  align-items: center;
  height: 34px;
}

.waveform i {
  flex: 1;
  height: var(--bar-height);
  min-height: 2px;
  max-height: 100%;
  background: linear-gradient(to top, var(--signal-deep), var(--signal));
  opacity: 0.68;
  transform-origin: center;
  animation: wave var(--bar-speed) ease-in-out infinite alternate;
  animation-delay: calc(var(--bar-index) * -37ms);
}

.stage-meta {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  justify-content: flex-end;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
}

.stage-meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--signal);
}

.orbit {
  position: absolute;
  z-index: 1;
  width: 14px;
  height: 14px;
  border: 2px solid var(--signal);
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 16px rgba(76, 201, 255, 0.6);
}

.orbit-one {
  top: 14%;
  right: -8px;
}

.orbit-two {
  bottom: 19%;
  left: -8px;
  width: 9px;
  height: 9px;
  border-color: var(--flare);
  box-shadow: 0 0 14px rgba(124, 140, 255, 0.7);
}

.stage-tag {
  position: absolute;
  z-index: 4;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.48rem;
  letter-spacing: 0.16em;
  writing-mode: vertical-rl;
}

.stage-tag-a {
  top: 6%;
  left: -24px;
}

.stage-tag-b {
  right: -24px;
  bottom: 6%;
}

.signal-strip {
  display: flex;
  gap: clamp(0.7rem, 2vw, 1.5rem);
  align-items: center;
  justify-content: space-between;
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: rgba(221, 238, 255, 0.52);
  font-family: var(--display);
  font-size: clamp(0.72rem, 1vw, 0.9rem);
}

.signal-strip i {
  width: 3px;
  height: 3px;
  overflow: hidden;
  color: transparent;
  border-radius: 50%;
  background: var(--signal);
}

.section-pad {
  padding: clamp(6rem, 10vw, 10rem) 0;
}

.section-index {
  margin: 0 0 1.4rem;
  color: var(--signal-deep);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
}

.manifesto {
  position: relative;
  color: var(--ink);
  background: var(--paper);
}

.manifesto::before {
  position: absolute;
  top: 0;
  left: 8%;
  width: 1px;
  height: 82px;
  content: "";
  background: var(--flare);
}

.manifesto-grid {
  display: grid;
  grid-template-columns: minmax(190px, 0.3fr) 1fr;
  gap: clamp(3rem, 8vw, 8rem);
}

.manifesto .section-index {
  color: #397ca8;
}

.section-title {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.65rem, 5vw, 5.4rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.13;
}

.section-title span {
  color: #286c9b;
}

.manifesto-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 5rem);
  max-width: 850px;
  margin-top: clamp(3rem, 6vw, 5.5rem);
  padding-top: 2rem;
  border-top: 1px solid rgba(4, 11, 24, 0.2);
}

.manifesto-copy p {
  margin: 0;
  color: #344a60;
  font-size: 0.96rem;
  line-height: 1.95;
}

.capabilities {
  background:
    radial-gradient(circle at 14% 22%, rgba(22, 140, 255, 0.07), transparent 22%),
    var(--ink);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.52fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.section-heading h2 {
  max-width: 820px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.5rem, 4.4vw, 4.7rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.13;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.9;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.bento-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 430px;
  padding: clamp(1.4rem, 2.5vw, 2.2rem);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(221, 238, 255, 0.025);
  transition: transform 300ms ease, border-color 300ms ease, background 300ms ease;
}

.bento-card:hover {
  border-color: rgba(76, 201, 255, 0.3);
  background: rgba(221, 238, 255, 0.04);
  transform: translateY(-5px);
}

.bento-card::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(130deg, rgba(255, 255, 255, 0.035), transparent 32%);
}

.bento-primary {
  grid-column: span 7;
  min-height: 560px;
}

.bento-viewer {
  grid-column: span 5;
  min-height: 560px;
  background: #0a1b33;
}

.bento-language,
.bento-control {
  grid-column: span 6;
}

.card-number {
  position: relative;
  z-index: 2;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.16em;
}

.card-copy {
  position: relative;
  z-index: 2;
  max-width: 560px;
  margin-top: auto;
}

.card-copy h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.7rem, 2.6vw, 2.7rem);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.card-copy p {
  max-width: 600px;
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.85;
}

.caption-console {
  width: min(90%, 620px);
  margin: 2.7rem auto;
  padding: 1.4rem;
  border: 1px solid rgba(76, 201, 255, 0.22);
  background:
    linear-gradient(rgba(76, 201, 255, 0.04) 1px, transparent 1px) 0 0 / 100% 24px,
    rgba(3, 11, 27, 0.72);
  box-shadow: 18px 22px 0 rgba(76, 201, 255, 0.035), 0 25px 50px rgba(0, 0, 0, 0.22);
  transform: rotate(-1.5deg);
}

.console-head {
  display: flex;
  justify-content: space-between;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.12em;
}

.console-head span:last-child {
  color: var(--flare);
}

.console-line {
  max-width: 92%;
  margin-top: 1.4rem;
  line-height: 1.5;
}

.console-line-source {
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.2vw, 2.1rem);
}

.console-line-target {
  color: var(--signal);
  font-family: var(--mono);
  font-size: clamp(0.85rem, 1.2vw, 1.1rem);
}

.console-progress {
  height: 2px;
  margin-top: 1.8rem;
  background: var(--line);
}

.console-progress i {
  display: block;
  width: 67%;
  height: 100%;
  background: var(--signal);
  box-shadow: 0 0 9px rgba(76, 201, 255, 0.6);
}

.phone-view {
  position: relative;
  width: min(252px, 68%);
  min-height: 270px;
  margin: 2rem auto 2.5rem;
  padding: 2.6rem 1.5rem 1.4rem;
  overflow: hidden;
  border: 1px solid rgba(221, 238, 255, 0.26);
  border-radius: 30px 30px 7px 7px;
  background: linear-gradient(160deg, rgba(221, 238, 255, 0.08), rgba(76, 201, 255, 0.025));
  box-shadow: 0 30px 45px rgba(0, 0, 0, 0.3);
  transform: rotate(3deg);
}

.phone-view::before {
  position: absolute;
  right: -50%;
  bottom: -42%;
  width: 110%;
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(76, 201, 255, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 0 28px rgba(76, 201, 255, 0.025), 0 0 0 58px rgba(76, 201, 255, 0.018);
}

.phone-speaker {
  position: absolute;
  top: 12px;
  left: 50%;
  width: 42px;
  height: 3px;
  border-radius: 4px;
  background: rgba(221, 238, 255, 0.35);
  transform: translateX(-50%);
}

.phone-view small {
  color: var(--flare);
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.14em;
}

.phone-view b {
  position: relative;
  display: block;
  margin-top: 1.8rem;
  font-family: var(--display);
  font-size: 1.38rem;
  font-weight: 500;
  line-height: 1.5;
}

.phone-view p {
  position: relative;
  margin: 1rem 0 0;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.5;
}

.language-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-content: center;
  justify-content: center;
  min-height: 180px;
  margin: 1.5rem auto 2rem;
}

.language-cloud span {
  display: grid;
  width: clamp(48px, 5.2vw, 72px);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--paper-soft);
  font-family: var(--mono);
  font-size: 0.76rem;
  transition: color 220ms ease, background 220ms ease, transform 220ms ease;
}

.language-cloud span:nth-child(even) {
  transform: translateY(14px);
}

.language-cloud span.active,
.language-cloud span:hover {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
  transform: translateY(-6px) scale(1.05);
}

.control-visual {
  display: flex;
  gap: clamp(1.5rem, 4vw, 3.8rem);
  align-items: center;
  justify-content: center;
  min-height: 190px;
  margin: 1rem 0 2rem;
}

.control-ring {
  position: relative;
  display: grid;
  width: 126px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(76, 201, 255, 0.34);
  border-radius: 50%;
  box-shadow: inset 0 0 30px rgba(76, 201, 255, 0.06), 0 0 32px rgba(76, 201, 255, 0.05);
}

.control-ring::before,
.control-ring::after {
  position: absolute;
  content: "";
  border-radius: 50%;
}

.control-ring::before {
  inset: 13px;
  border: 1px dashed rgba(76, 201, 255, 0.2);
  animation: ring-spin 14s linear infinite;
}

.control-ring::after {
  top: 4px;
  width: 6px;
  height: 6px;
  background: var(--flare);
  box-shadow: 0 0 12px var(--flare);
}

.control-ring span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
}

.control-list p {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin: 0.8rem 0;
  color: var(--paper-soft);
  font-size: 0.74rem;
}

.control-list i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 8px rgba(76, 201, 255, 0.5);
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 1.15rem 0 0;
  list-style: none;
}

.feature-tags li {
  padding: 0.38rem 0.62rem;
  border: 1px solid rgba(76, 201, 255, 0.2);
  color: var(--paper-soft);
  background: rgba(76, 201, 255, 0.045);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
}

.products {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(76, 201, 255, 0.025) 1px, transparent 1px) 0 0 / 9.09% 100%,
    radial-gradient(circle at 84% 16%, rgba(22, 140, 255, 0.12), transparent 28%),
    #071329;
}

.products::before {
  position: absolute;
  top: 0;
  right: 7%;
  width: 1px;
  height: 100px;
  content: "";
  background: var(--signal);
  box-shadow: 0 0 22px rgba(76, 201, 255, 0.35);
}

.products .shell {
  position: relative;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  position: relative;
  min-height: 390px;
  padding: clamp(1.5rem, 2.5vw, 2.2rem);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(4, 11, 24, 0.62);
  transition: transform 260ms ease, border-color 260ms ease, background 260ms ease;
}

.product-card::after {
  position: absolute;
  right: -28%;
  bottom: -46%;
  width: 72%;
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(76, 201, 255, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 24px rgba(76, 201, 255, 0.018), 0 0 0 48px rgba(76, 201, 255, 0.012);
}

.product-card:hover {
  z-index: 2;
  border-color: rgba(76, 201, 255, 0.42);
  background: rgba(10, 33, 65, 0.88);
  transform: translateY(-6px);
}

.product-card-featured {
  background: linear-gradient(145deg, rgba(22, 140, 255, 0.22), rgba(4, 11, 24, 0.66));
}

.product-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
}

.product-top i {
  color: var(--muted);
  font-style: normal;
}

.product-card h3 {
  position: relative;
  z-index: 1;
  margin: 3.4rem 0 0;
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.1vw, 2.2rem);
  font-weight: 620;
  letter-spacing: -0.035em;
}

.product-card > p {
  position: relative;
  z-index: 1;
  margin: 0.9rem 0 0;
  color: var(--paper-soft);
  font-size: 0.84rem;
  line-height: 1.85;
}

.product-card ul {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.48rem;
  padding: 0;
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  list-style: none;
}

.product-card li::before {
  margin-right: 0.55rem;
  color: var(--signal);
  content: "＋";
}

.product-note {
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 0.7rem;
  text-align: right;
}

.advantages {
  color: var(--ink);
  background: linear-gradient(135deg, #cfe8fa 0%, #eaf6ff 52%, #d7ecfb 100%);
}

.advantages .section-index {
  color: #2d6d98;
}

.advantages-heading {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: clamp(2rem, 7vw, 7rem);
  align-items: start;
  margin-bottom: clamp(3.2rem, 6vw, 5.5rem);
}

.advantages-heading h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.7rem, 5vw, 5.5rem);
  font-weight: 620;
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.advantages-heading h2 span {
  color: #256a98;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(4, 11, 24, 0.22);
  border-bottom: 1px solid rgba(4, 11, 24, 0.22);
}

.advantage-card {
  min-height: 300px;
  padding: 1.8rem clamp(1.1rem, 2.2vw, 2rem);
  border-right: 1px solid rgba(4, 11, 24, 0.18);
}

.advantage-card:last-child {
  border-right: 0;
}

.advantage-card > span {
  color: #397ca8;
  font-family: var(--mono);
  font-size: 0.64rem;
}

.advantage-card h3 {
  margin: 5rem 0 0;
  font-family: var(--display);
  font-size: clamp(1.45rem, 2.3vw, 2.25rem);
  font-weight: 620;
  letter-spacing: -0.035em;
}

.advantage-card p {
  margin: 0.85rem 0 0;
  color: #435d73;
  font-size: 0.82rem;
  line-height: 1.85;
}
.customization {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 50%, rgba(124, 140, 255, 0.09), transparent 25%),
    linear-gradient(150deg, #040b18, #07172f 68%, #092044);
}

.custom-orbit {
  position: absolute;
  top: 50%;
  left: -10vw;
  width: 40vw;
  min-width: 460px;
  aspect-ratio: 1;
  border: 1px solid rgba(76, 201, 255, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(76, 201, 255, 0.018), 0 0 0 140px rgba(76, 201, 255, 0.01);
  transform: translateY(-50%);
}

.custom-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.18fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.custom-intro h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.7rem, 4.7vw, 5rem);
  font-weight: 620;
  letter-spacing: -0.055em;
  line-height: 1.1;
}

.custom-intro h2 span {
  color: var(--signal);
}

.custom-intro > p:not(.section-index) {
  margin: 1.8rem 0 0;
  color: var(--paper-soft);
  font-size: 0.9rem;
  line-height: 1.95;
}

.custom-intro .button {
  margin-top: 2rem;
}

.custom-stack {
  border-top: 1px solid var(--line-strong);
}

.custom-card {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 1.2rem;
  min-height: 164px;
  padding: 1.65rem 0;
  border-bottom: 1px solid var(--line);
}

.custom-card > span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.custom-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.25rem, 1.8vw, 1.75rem);
  font-weight: 620;
  letter-spacing: -0.025em;
}

.custom-card p {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.85;
}

.faq {
  background:
    linear-gradient(rgba(76, 201, 255, 0.028) 1px, transparent 1px) 0 0 / 100% 42px,
    #061126;
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.68fr) minmax(440px, 1fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.faq-intro h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.5rem, 4.3vw, 4.6rem);
  font-weight: 620;
  letter-spacing: -0.055em;
  line-height: 1.12;
}

.faq-intro h2 span {
  color: var(--signal);
}

.faq-intro > p:not(.section-index) {
  margin: 1.6rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.9;
}

.faq-list {
  border-top: 1px solid var(--line-strong);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  padding: 1.2rem 0;
  cursor: pointer;
  font-family: var(--display);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  font-weight: 600;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 1.25rem;
  transition: transform 180ms ease;
}

.faq-item[open] summary span {
  transform: rotate(45deg);
}

.faq-item p {
  max-width: 720px;
  padding: 0 3.2rem 1.7rem 0;
  margin: -0.35rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.9;
}
.scenes {
  color: var(--ink);
  background: #dfeaf5;
}

.scenes .section-index {
  color: #397ca8;
}

.scenes-intro {
  display: grid;
  grid-template-columns: 1fr 1.4fr 0.7fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  margin-bottom: clamp(4rem, 7vw, 7rem);
}

.scenes-intro .section-index {
  align-self: start;
}

.scenes-intro h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.6rem, 4.8vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.12;
}

.scenes-intro h2 span {
  color: #2d6d98;
}

.scenes-intro > p:last-child {
  margin: 0;
  color: #526b82;
  font-size: 0.88rem;
  line-height: 1.9;
}

.scene-list {
  border-top: 1px solid rgba(4, 11, 24, 0.22);
}

.scene-card {
  position: relative;
  display: grid;
  grid-template-columns: 0.18fr 1fr auto;
  gap: 2rem;
  align-items: center;
  min-height: 176px;
  padding: 2rem 0;
  overflow: hidden;
  border-bottom: 1px solid rgba(4, 11, 24, 0.22);
  transition: padding 240ms ease, color 240ms ease;
}

.scene-card::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: "";
  background: var(--ink);
  transform: translateX(-102%);
  transition: transform 340ms cubic-bezier(0.7, 0, 0.2, 1);
}

.scene-card:hover {
  color: var(--paper);
  padding-inline: 1.4rem;
}

.scene-card:hover::before {
  transform: translateX(0);
}

.scene-card > * {
  position: relative;
  z-index: 1;
}

.scene-id {
  color: #547896;
  font-family: var(--mono);
  font-size: 0.68rem;
}

.scene-label {
  margin: 0 0 0.45rem;
  color: #547896;
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.18em;
}

.scene-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.45rem, 2.5vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.025em;
}

.scene-card div > p:last-child {
  max-width: 620px;
  margin: 0.55rem 0 0;
  color: #526b82;
  font-size: 0.83rem;
}

.scene-card:hover div > p:last-child {
  color: var(--muted);
}

.scene-arrow {
  display: grid;
  width: 44px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(4, 11, 24, 0.25);
  border-radius: 50%;
  color: #416b8d;
  transition: color 200ms ease, border-color 200ms ease, transform 200ms ease;
}

.scene-card:hover .scene-arrow {
  color: var(--signal);
  border-color: rgba(76, 201, 255, 0.35);
  transform: rotate(45deg);
}

.workflow {
  position: relative;
  background: #050d1e;
}

.workflow::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0.32;
  background-image: linear-gradient(rgba(76, 201, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(76, 201, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, transparent, black 18%, black 82%, transparent);
}

.workflow .shell {
  position: relative;
}

.workflow-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  padding: 0;
  margin: 0;
  counter-reset: none;
  list-style: none;
}

.workflow-list li {
  position: relative;
  min-height: 320px;
  padding: 1.8rem clamp(1rem, 2vw, 1.8rem);
  border-top: 1px solid var(--line-strong);
  border-right: 1px solid var(--line);
}

.workflow-list li:last-child {
  border-right: 0;
}

.workflow-list li::before {
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 12px rgba(76, 201, 255, 0.7);
}

.workflow-list > li > span {
  color: var(--flare);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.workflow-list div {
  margin-top: 5.5rem;
}

.workflow-list h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 500;
}

.workflow-list p {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.85;
}

.finale {
  position: relative;
  display: grid;
  min-height: 86svh;
  place-items: center;
  overflow: hidden;
  color: var(--ink);
  background: var(--signal);
}

.finale::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(84vw, 1050px);
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(4, 11, 24, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(4, 11, 24, 0.025), 0 0 0 180px rgba(4, 11, 24, 0.018);
  transform: translate(-50%, -50%);
}

.finale-lines {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background: repeating-linear-gradient(90deg, transparent 0 10%, rgba(4, 11, 24, 0.09) 10% calc(10% + 1px));
}

.finale-inner {
  position: relative;
  z-index: 2;
  padding-block: 7rem;
  text-align: center;
}

.finale .eyebrow {
  justify-content: center;
  color: #274f70;
}

.finale h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.2rem, 7vw, 7.6rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 1.02;
}

.finale h2 em {
  color: var(--ink);
}

.finale-inner > p:not(.eyebrow) {
  margin: 2rem auto 0;
  color: #355e7b;
  font-size: 0.95rem;
}

.button-light {
  margin-top: 2rem;
  color: var(--paper);
  background: var(--ink);
  box-shadow: 0 14px 30px rgba(4, 11, 24, 0.15);
}

.button-light:hover,
.button-light:focus-visible {
  color: var(--signal);
  background: #081a33;
  box-shadow: 0 18px 38px rgba(4, 11, 24, 0.22);
}

.site-footer {
  padding: 3.4rem 0;
  background: #020711;
  border-top: 1px solid var(--line);
}

.error-page {
  display: grid;
  min-height: 100svh;
  padding: 24px;
  place-items: center;
  background:
    linear-gradient(rgba(76, 201, 255, 0.035) 1px, transparent 1px) 0 0 / 52px 52px,
    linear-gradient(90deg, rgba(76, 201, 255, 0.035) 1px, transparent 1px) 0 0 / 52px 52px,
    radial-gradient(circle at 50% 50%, rgba(22, 140, 255, 0.12), transparent 34%),
    var(--ink);
}

.error-panel {
  position: relative;
  width: min(660px, 100%);
  padding: clamp(2.2rem, 7vw, 5rem);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: rgba(4, 11, 24, 0.82);
  box-shadow: var(--shadow);
  text-align: center;
}

.error-panel::before,
.error-panel::after {
  position: absolute;
  width: 46px;
  height: 46px;
  content: "";
  border-color: var(--signal);
  border-style: solid;
}

.error-panel::before {
  top: 10px;
  left: 10px;
  border-width: 1px 0 0 1px;
}

.error-panel::after {
  right: 10px;
  bottom: 10px;
  border-width: 0 1px 1px 0;
}

.error-label {
  margin: 1.4rem 0 0;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
}

.error-code {
  margin: 0.35rem 0 0;
  color: transparent;
  font-family: var(--mono);
  font-size: clamp(5rem, 20vw, 10rem);
  font-weight: 700;
  letter-spacing: -0.1em;
  line-height: 0.95;
  -webkit-text-stroke: 1px rgba(76, 201, 255, 0.5);
}

.error-panel h1 {
  margin: 0.8rem 0 0;
  font-family: var(--display);
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.error-panel > p:not(.error-code, .error-label) {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.error-panel .button {
  margin-top: 1.8rem;
}

.error-wave {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  height: 30px;
}

.error-wave i {
  width: 2px;
  height: 25%;
  background: var(--signal);
  animation: wave 800ms ease-in-out infinite alternate;
}

.error-wave i:nth-child(2),
.error-wave i:nth-child(6) { height: 55%; animation-delay: -120ms; }
.error-wave i:nth-child(3),
.error-wave i:nth-child(5) { height: 82%; animation-delay: -240ms; }
.error-wave i:nth-child(4) { height: 100%; animation-delay: -360ms; }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr auto;
  gap: 3rem;
  align-items: end;
}

.footer-grid-compact {
  grid-template-columns: 1fr auto;
}

.footer-brand b {
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 500;
}

.footer-brand p,
.footer-legal p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.68rem;
}

.footer-legal {
  text-align: right;
}

.footer-legal a {
  display: inline-block;
  margin-top: 0.45rem;
  color: var(--paper-soft);
  font-size: 0.72rem;
  text-decoration-color: rgba(221, 238, 255, 0.3);
  text-underline-offset: 0.28em;
}

.footer-legal a:hover,
.footer-legal a:focus-visible {
  color: var(--signal);
}

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 760ms cubic-bezier(0.2, 0.7, 0.2, 1), transform 760ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 100ms;
}

.reveal-delay-2 {
  transition-delay: 180ms;
}

.reveal-delay-3 {
  transition-delay: 260ms;
}

@keyframes wave {
  from { transform: scaleY(0.34); opacity: 0.42; }
  to { transform: scaleY(1); opacity: 0.9; }
}

@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(124, 140, 255, 0.08), 0 0 12px rgba(124, 140, 255, 0.8); }
  50% { box-shadow: 0 0 0 8px rgba(124, 140, 255, 0), 0 0 18px rgba(124, 140, 255, 0.9); }
}

@keyframes orbit-spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes ring-spin {
  to { transform: rotate(360deg); }
}

@keyframes glass-scan {
  0%, 35% { transform: translateX(-80%); }
  70%, 100% { transform: translateX(100%); }
}

@keyframes translate-progress {
  0% { width: 8%; opacity: 0.25; }
  42%, 82% { width: 82%; opacity: 1; }
  100% { width: 96%; opacity: 0; }
}

@keyframes typing-cursor {
  0%, 48% { opacity: 1; }
  49%, 100% { opacity: 0; }
}

@keyframes output-scan {
  from { background-position: 0 -160px; }
  to { background-position: 0 520px; }
}

@media (max-width: 1100px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .advantage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .advantage-card:nth-child(2n) {
    border-right: 0;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 0.94fr) minmax(400px, 0.8fr);
    gap: 3rem;
  }

  .hero h1 {
    font-size: clamp(3.1rem, 5.5vw, 4.8rem);
  }

  .stage-frame {
    min-height: 490px;
  }

  .stage-content {
    min-height: 335px;
  }

  .scenes-intro {
    grid-template-columns: 0.32fr 1fr;
  }

  .scenes-intro > p:last-child {
    grid-column: 2;
  }
}

@media (max-width: 900px) {
  .custom-grid,
  .faq-grid,
  .advantages-heading {
    grid-template-columns: 1fr;
  }

  .custom-grid,
  .faq-grid {
    gap: 3.5rem;
  }

  .custom-intro {
    max-width: 720px;
  }

  .workflow-list li:nth-child(even) {
    border-right: 0;
  }

  .shell {
    width: min(100% - 40px, 760px);
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    display: none;
  }

  .hero {
    padding-top: 130px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }

  .hero-copy {
    max-width: 720px;
    padding-bottom: 1rem;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 10.5vw, 6.2rem);
  }

  .language-stage {
    width: min(100%, 680px);
    margin: 0 auto;
  }

  .signal-strip {
    margin-top: 4rem;
  }

  .manifesto-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .section-heading > p {
    max-width: 620px;
  }

  .bento-primary,
  .bento-viewer,
  .bento-language,
  .bento-control {
    grid-column: span 12;
  }

  .bento-card {
    min-height: 450px;
  }

  .bento-primary,
  .bento-viewer {
    min-height: 520px;
  }

  .workflow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow-list li:nth-child(2) {
    border-right: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid-compact {
    grid-template-columns: 1fr auto;
  }

}

@media (max-width: 620px) {
  .product-grid,
  .advantage-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    min-height: 350px;
  }

  .product-card h3 {
    margin-top: 2.7rem;
  }

  .product-note {
    text-align: left;
  }

  .advantage-card,
  .advantage-card:nth-child(2n) {
    min-height: 230px;
    border-right: 0;
    border-bottom: 1px solid rgba(4, 11, 24, 0.18);
  }

  .advantage-card:last-child {
    border-bottom: 0;
  }

  .advantage-card h3 {
    margin-top: 2.8rem;
  }

  .custom-grid,
  .faq-grid {
    gap: 2.8rem;
  }

  .custom-card {
    grid-template-columns: 38px 1fr;
  }

  .faq-item summary {
    min-height: 82px;
  }

  .faq-item p {
    padding-right: 0;
  }

  .shell {
    width: calc(100% - 32px);
  }

  .site-header {
    position: absolute;
  }

  .header-inner {
    min-height: 78px;
  }

  .brand-copy b {
    font-size: 0.8rem;
  }

  .brand-copy small {
    display: none;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 11px;
  }

  .header-action {
    padding: 0.58rem 0.72rem;
    font-size: 0.68rem;
  }

  .hero {
    padding-top: 112px;
  }

  .hero::before {
    top: 78px;
  }

  .hero-copy {
    padding-top: 1.6rem;
  }

  .eyebrow {
    margin-bottom: 1.35rem;
    font-size: 0.56rem;
    letter-spacing: 0.14em;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 10.4vw, 3.3rem);
    line-height: 1.08;
  }

  .hero-intro {
    margin-top: 1.5rem;
    font-size: 0.92rem;
    line-height: 1.8;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .button {
    min-height: 48px;
    padding-inline: 0.8rem;
    font-size: 0.76rem;
  }

  .hero-facts {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.55rem;
    margin-top: 1.7rem;
  }

  .language-stage {
    width: calc(100% - 4px);
  }

  .stage-frame {
    min-height: 430px;
  }

  .stage-topbar {
    grid-template-columns: 1fr auto;
    min-height: 56px;
    padding-inline: 0.9rem;
  }

  .stage-route {
    display: none;
  }

  .stage-content {
    min-height: 306px;
    padding: 2rem 1.25rem 1.4rem;
  }

  .caption-source {
    font-size: clamp(1.5rem, 7vw, 2rem);
  }

  .caption-target {
    font-size: 0.86rem;
  }

  .stage-footer {
    grid-template-columns: 1fr;
    min-height: 68px;
    padding-inline: 0.9rem;
  }

  .stage-meta {
    display: none;
  }

  .stage-tag {
    display: none;
  }

  .signal-strip {
    justify-content: flex-start;
    padding-bottom: 0.4rem;
    overflow: hidden;
    white-space: nowrap;
  }

  .signal-strip span:nth-of-type(n + 4),
  .signal-strip i:nth-of-type(n + 4) {
    display: none;
  }

  .section-pad {
    padding: 5.5rem 0;
  }

  .manifesto::before {
    left: 16px;
    height: 46px;
  }

  .section-title,
  .section-heading h2,
  .scenes-intro h2 {
    font-size: clamp(2.3rem, 11vw, 3.4rem);
  }

  .manifesto-copy {
    grid-template-columns: 1fr;
    gap: 1.4rem;
    margin-top: 2.6rem;
  }

  .section-heading {
    margin-bottom: 2.7rem;
  }

  .bento-card,
  .bento-primary,
  .bento-viewer {
    min-height: 430px;
  }

  .caption-console {
    width: 100%;
    margin-top: 2.2rem;
    padding: 1rem;
    transform: rotate(-0.8deg);
  }

  .phone-view {
    width: 220px;
    min-height: 240px;
  }

  .control-visual {
    gap: 1.2rem;
    justify-content: flex-start;
  }

  .control-ring {
    width: 102px;
    flex: 0 0 auto;
  }

  .control-list p {
    font-size: 0.66rem;
  }

  .scenes-intro {
    grid-template-columns: 1fr;
    gap: 1.4rem;
    margin-bottom: 3.5rem;
  }

  .scenes-intro > p:last-child {
    grid-column: auto;
  }

  .scene-card {
    grid-template-columns: auto 1fr;
    gap: 1rem;
    min-height: 160px;
  }

  .scene-arrow {
    display: none;
  }

  .scene-card div > p:last-child {
    font-size: 0.78rem;
  }

  .workflow-list {
    grid-template-columns: 1fr;
  }

  .workflow-list li,
  .workflow-list li:nth-child(2) {
    min-height: 220px;
    border-right: 0;
  }

  .workflow-list div {
    margin-top: 3.2rem;
  }

  .finale {
    min-height: 74svh;
  }

  .finale h2 {
    font-size: clamp(3rem, 14vw, 4.7rem);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }


  .footer-legal {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}