:root {
  --bg: #030604;
  --bg-soft: #07100b;
  --panel: rgba(18, 26, 20, 0.72);
  --panel-strong: rgba(28, 36, 29, 0.86);
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 218, 22, 0.38);
  --text: #f7f8ef;
  --muted: rgba(238, 244, 229, 0.68);
  --muted-strong: rgba(238, 244, 229, 0.82);
  --yellow: #ffd20a;
  --yellow-2: #ffea58;
  --lime: #dfff48;
  --green: #173b2d;
  --danger: #ff9b39;
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --max: 1180px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 70% -10%, rgba(255, 210, 10, 0.14), transparent 30%),
    radial-gradient(circle at 15% 20%, rgba(92, 160, 95, 0.14), transparent 28%),
    linear-gradient(180deg, #020403 0%, #07100b 46%, #020403 100%);
  color: var(--text);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "SF Pro Display",
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

img {
  display: block;
  max-width: 100%;
}

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

.site-shell {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.noise-layer,
.speed-lines,
.cursor-glow {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -1;
}

.noise-layer {
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(180deg, transparent, #000 12%, #000 80%, transparent);
}

.speed-lines::before,
.speed-lines::after {
  content: "";
  position: absolute;
  width: 720px;
  height: 720px;
  border: 1px solid rgba(255, 210, 10, 0.16);
  border-left-color: transparent;
  border-bottom-color: rgba(255, 210, 10, 0.38);
  border-radius: 50%;
  filter: blur(0.2px);
  animation: rotate-court 18s linear infinite;
}

.speed-lines::before {
  right: -260px;
  top: 18vh;
}

.speed-lines::after {
  left: -340px;
  bottom: 7vh;
  width: 920px;
  height: 920px;
  animation-duration: 26s;
  animation-direction: reverse;
}

.cursor-glow {
  width: 360px;
  height: 360px;
  inset: auto;
  left: var(--x, 50%);
  top: var(--y, 28%);
  translate: -50% -50%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 210, 10, 0.18), transparent 64%);
  filter: blur(6px);
  opacity: 0.8;
}

.top-nav {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max));
  margin: 18px auto 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(8, 14, 10, 0.64);
  box-shadow: 0 22px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(22px) saturate(1.25);
}

.brand-lockup,
.top-nav nav,
.hero-actions,
.hero-metrics,
.trust-strip,
.console-top,
.privacy-panel > div,
.site-footer {
  display: flex;
  align-items: center;
}

.brand-lockup {
  gap: 10px;
  font-weight: 950;
  letter-spacing: 0;
}

.brand-lockup img {
  width: 38px;
  height: 38px;
  border-radius: 12px;
}

.brand-lockup span {
  font-size: 18px;
}

.top-nav nav {
  gap: 8px;
}

.top-nav nav a {
  padding: 10px 13px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
  transition: 0.22s ease;
}

.top-nav nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.nav-cta,
.primary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 950;
}

.nav-cta {
  min-height: 42px;
  padding: 0 18px;
  color: #101208;
  background: linear-gradient(135deg, var(--yellow), var(--yellow-2));
  box-shadow: 0 12px 34px rgba(255, 210, 10, 0.2);
}

main {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  gap: 54px;
  align-items: center;
}

.hero-section {
  min-height: calc(100vh - 84px);
  padding: 74px 0 64px;
}

.eyebrow,
.mini-label,
.section-heading p,
.cta-section p {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--yellow);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 0 rgba(255, 210, 10, 0.55);
  animation: pulse 1.8s infinite;
}

.hero-copy h1 {
  max-width: 690px;
  margin: 22px 0 22px;
  font-size: clamp(52px, 9vw, 112px);
  line-height: 0.96;
  font-weight: 1000;
  letter-spacing: 0;
}

.hero-copy h1 span {
  display: block;
  color: var(--yellow);
  text-shadow: 0 0 34px rgba(255, 210, 10, 0.32);
}

.hero-lede {
  max-width: 650px;
  margin: 0;
  color: var(--muted-strong);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.75;
  font-weight: 650;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-button,
.ghost-button {
  min-height: 56px;
  padding: 0 24px;
  border: 1px solid transparent;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
}

.primary-button {
  gap: 12px;
  color: #0d1007;
  background: linear-gradient(135deg, var(--yellow), #fff06b 58%, #ffb800);
  box-shadow:
    0 18px 42px rgba(255, 210, 10, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.primary-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ghost-button {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
}

.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-3px);
}

.hero-metrics {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-metrics div {
  min-width: 138px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.06);
}

.hero-metrics strong {
  display: block;
  color: var(--yellow);
  font-size: 30px;
  font-weight: 1000;
  line-height: 1;
}

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  min-height: 680px;
  perspective: 1200px;
}

.hero-orbit {
  position: absolute;
  inset: 3% -10% auto auto;
  width: 92%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(255, 210, 10, 0.22);
  border-top-color: transparent;
  border-left-color: rgba(255, 210, 10, 0.52);
  filter: drop-shadow(0 0 18px rgba(255, 210, 10, 0.24));
  animation: rotate-court 15s linear infinite;
}

.phone-stage {
  position: relative;
  width: min(420px, 84vw);
  margin: 0 auto;
  transform-style: preserve-3d;
}

.phone-shadow {
  position: absolute;
  inset: auto 8% -34px;
  height: 90px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(255, 210, 10, 0.18), transparent 70%);
  filter: blur(16px);
}

.phone-device {
  position: relative;
  overflow: hidden;
  padding: 12px;
  border: 1px solid rgba(255, 210, 10, 0.28);
  border-radius: 52px;
  background:
    linear-gradient(145deg, rgba(255, 210, 10, 0.18), transparent 18%),
    linear-gradient(180deg, #151b16, #040504);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 28px 90px rgba(0, 0, 0, 0.58),
    0 0 56px rgba(255, 210, 10, 0.18);
}

.phone-speaker {
  position: absolute;
  top: 22px;
  left: 50%;
  z-index: 3;
  width: 102px;
  height: 30px;
  translate: -50% 0;
  border-radius: 999px;
  background: #020403;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.screen-carousel {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1206 / 2622;
  border-radius: 42px;
  background: #010201;
}

.screen-carousel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.025);
  transition:
    opacity 0.8s ease,
    transform 1.6s ease;
}

.screen-carousel img.active {
  opacity: 1;
  transform: scale(1);
}

.floating-badge {
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 15px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(18, 26, 20, 0.78);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(18px) saturate(1.3);
  animation: float-badge 4.4s ease-in-out infinite;
}

.floating-badge span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: #111406;
  background: var(--yellow);
  font-weight: 1000;
}

.floating-badge strong {
  font-size: 14px;
}

.badge-top {
  top: 18%;
  right: -54px;
}

.badge-bottom {
  bottom: 12%;
  left: -62px;
  animation-delay: -1.8s;
}

.trust-strip {
  gap: 18px;
  margin: 4px 0 94px;
}

.trust-card {
  flex: 1;
  min-height: 178px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 210, 10, 0.08), transparent 42%),
    var(--panel);
  backdrop-filter: blur(18px) saturate(1.1);
}

.trust-card span {
  color: var(--yellow);
  font-weight: 1000;
}

.trust-card strong {
  display: block;
  margin-top: 16px;
  font-size: 25px;
  font-weight: 1000;
}

.trust-card p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.65;
  font-weight: 650;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading h2,
.privacy-copy h2,
.cta-section h2 {
  margin: 12px 0 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.08;
  font-weight: 1000;
}

.section-heading span,
.privacy-copy p,
.cta-section span {
  display: block;
  margin-top: 16px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
  font-weight: 650;
}

.engine-section,
.workflow-section,
.feature-section,
.showcase-section,
.privacy-section,
.cta-section {
  padding: 74px 0;
}

.engine-console {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 26px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 80% 10%, rgba(255, 210, 10, 0.13), transparent 34%),
    rgba(11, 17, 13, 0.82);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(22px);
}

.console-panel {
  position: relative;
  overflow: hidden;
  min-height: 430px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 28px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 50% 65%, rgba(255, 210, 10, 0.12), transparent 36%),
    #050806;
  background-size: 34px 34px, 34px 34px, auto, auto;
}

.console-top {
  gap: 8px;
  padding: 18px;
}

.console-top span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.console-top span:first-child {
  background: var(--yellow);
}

.signal-grid {
  position: absolute;
  inset: 76px 24px 24px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  align-items: end;
}

.signal-grid i {
  display: block;
  height: var(--h);
  min-height: 44px;
  border-radius: 999px 999px 10px 10px;
  background:
    linear-gradient(180deg, rgba(255, 246, 128, 0.95), rgba(255, 210, 10, 0.9) 38%, rgba(25, 58, 42, 0.84));
  box-shadow: 0 0 24px rgba(255, 210, 10, 0.14);
  animation: signal-rise 2.8s ease-in-out infinite;
  animation-delay: calc(var(--h) * -0.025);
}

.scan-line {
  position: absolute;
  inset: 70px 0 auto;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--yellow), transparent);
  box-shadow: 0 0 28px rgba(255, 210, 10, 0.7);
  animation: scan 3.4s ease-in-out infinite;
}

.engine-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 26px 18px;
}

.engine-copy h3 {
  margin: 12px 0 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.08;
}

.engine-copy p,
.engine-copy li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.72;
  font-weight: 650;
}

.engine-copy ul {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.engine-copy li {
  position: relative;
  padding-left: 22px;
}

.engine-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yellow);
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  top: 38px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 210, 10, 0.58), transparent);
}

.timeline-card,
.feature-card,
.privacy-panel,
.cta-section,
.showcase-grid figure {
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), transparent 44%),
    rgba(15, 22, 17, 0.74);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 24px 70px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(18px) saturate(1.2);
}

.timeline-card {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-lg);
}

.timeline-index {
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  border-radius: 24px;
  color: #111406;
  background: var(--yellow);
  font-size: 32px;
  font-weight: 1000;
  box-shadow: 0 18px 34px rgba(255, 210, 10, 0.2);
}

.timeline-card h3,
.feature-card h3 {
  margin: 24px 0 10px;
  font-size: 25px;
  font-weight: 1000;
}

.timeline-card p,
.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  font-weight: 650;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 248px;
  padding: 26px;
  border-radius: var(--radius-lg);
  transition:
    transform 0.28s ease,
    border-color 0.28s ease,
    background 0.28s ease;
}

.feature-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -42%;
  height: 110px;
  background: radial-gradient(ellipse, rgba(255, 210, 10, 0.18), transparent 66%);
}

.feature-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-6px);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  color: #101208;
  background: var(--yellow);
  font-size: 28px;
  font-weight: 1000;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.showcase-grid figure {
  overflow: hidden;
  margin: 0;
  padding: 12px;
  border-radius: 32px;
}

.showcase-grid img {
  width: 100%;
  aspect-ratio: 1206 / 2622;
  object-fit: cover;
  border-radius: 24px;
  filter: saturate(1.08) contrast(1.03);
}

.showcase-grid figcaption {
  padding: 14px 8px 4px;
  color: var(--muted-strong);
  font-size: 14px;
  font-weight: 800;
}

.privacy-section {
  align-items: stretch;
}

.privacy-copy {
  align-self: center;
}

.privacy-panel {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: var(--radius-xl);
}

.privacy-panel > div {
  justify-content: space-between;
  gap: 16px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.055);
}

.privacy-panel span {
  color: var(--muted);
  font-weight: 800;
}

.privacy-panel strong {
  color: var(--yellow);
  font-size: 22px;
  font-weight: 1000;
}

.cta-section {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  gap: 26px;
  align-items: center;
  margin-bottom: 50px;
  padding: 34px;
  border-radius: 38px;
  background:
    radial-gradient(circle at 12% 50%, rgba(255, 210, 10, 0.2), transparent 28%),
    linear-gradient(135deg, rgba(255, 210, 10, 0.1), rgba(255, 255, 255, 0.05)),
    rgba(15, 22, 17, 0.82);
}

.cta-section img {
  width: 118px;
  filter: drop-shadow(0 18px 26px rgba(0, 0, 0, 0.36));
  animation: shuttle-hover 3.6s ease-in-out infinite;
}

.cta-section h2 {
  font-size: clamp(32px, 4.5vw, 56px);
}

.site-footer {
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 28px 0 42px;
  color: var(--muted);
  font-weight: 750;
}

.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.72s ease,
    transform 0.72s ease;
}

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

.no-js .reveal {
  opacity: 1;
  transform: none;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 12px rgba(255, 210, 10, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 210, 10, 0);
  }
}

@keyframes rotate-court {
  to {
    rotate: 360deg;
  }
}

@keyframes float-badge {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@keyframes signal-rise {
  0%,
  100% {
    transform: scaleY(0.82);
    opacity: 0.8;
  }
  50% {
    transform: scaleY(1.06);
    opacity: 1;
  }
}

@keyframes scan {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  50% {
    transform: translateY(300px);
    opacity: 1;
  }
}

@keyframes shuttle-hover {
  0%,
  100% {
    transform: translateY(0) rotate(-5deg);
  }
  50% {
    transform: translateY(-10px) rotate(3deg);
  }
}

@media (max-width: 980px) {
  .top-nav nav {
    display: none;
  }

  .section-grid,
  .engine-console,
  .privacy-section,
  .cta-section {
    grid-template-columns: 1fr;
  }

  .hero-section {
    padding-top: 50px;
  }

  .hero-visual {
    min-height: auto;
  }

  .phone-stage {
    width: min(380px, 92vw);
  }

  .badge-top {
    right: -12px;
  }

  .badge-bottom {
    left: -10px;
  }

  .trust-strip,
  .timeline,
  .feature-grid,
  .showcase-grid {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    display: grid;
  }

  .timeline::before {
    display: none;
  }

  .cta-section {
    text-align: center;
    justify-items: center;
  }
}

@media (max-width: 640px) {
  main,
  .top-nav,
  .site-footer {
    width: min(calc(100% - 24px), var(--max));
  }

  .top-nav {
    top: 10px;
    margin-top: 10px;
  }

  .brand-lockup span {
    font-size: 16px;
  }

  .nav-cta {
    min-height: 38px;
    padding: 0 14px;
    font-size: 13px;
  }

  .hero-section {
    padding-bottom: 34px;
  }

  .hero-copy h1 {
    font-size: 52px;
  }

  .hero-actions,
  .hero-metrics {
    align-items: stretch;
  }

  .primary-button,
  .ghost-button {
    width: 100%;
  }

  .hero-metrics div {
    min-width: 0;
    flex: 1 1 30%;
    padding: 14px 12px;
  }

  .hero-metrics strong {
    font-size: 24px;
  }

  .phone-device {
    border-radius: 42px;
    padding: 10px;
  }

  .screen-carousel {
    border-radius: 34px;
  }

  .floating-badge {
    display: none;
  }

  .engine-section,
  .workflow-section,
  .feature-section,
  .showcase-section,
  .privacy-section,
  .cta-section {
    padding: 52px 0;
  }

  .console-panel {
    min-height: 320px;
  }

  .scan-line {
    animation-name: scan-mobile;
  }

  .feature-card,
  .timeline-card,
  .trust-card {
    padding: 22px;
  }

  .cta-section {
    padding: 26px 20px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@keyframes scan-mobile {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  50% {
    transform: translateY(210px);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}