:root {
  color-scheme: dark;
  --canvas: #070b16;
  --canvas-deep: #050812;
  --surface: rgba(15, 23, 40, 0.82);
  --surface-strong: #111a2c;
  --surface-soft: rgba(255, 255, 255, 0.035);
  --text: #eaf0fb;
  --text-soft: #c7d0df;
  --muted: #91a0b8;
  --muted-strong: #a9b6ca;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.16);
  --accent: #76d7ff;
  --accent-strong: #a5e6ff;
  --accent-ink: #06101d;
  --spark: #ffab2e;
  --success: #73e5b5;
  --warning: #ffc86f;
  --container: 1216px;
  --header-height: 72px;
  --radius-small: 12px;
  --radius-medium: 20px;
  --radius-large: 30px;
  --shadow-frame: 0 36px 100px rgba(0, 0, 0, 0.46), 0 1px 0 rgba(255, 255, 255, 0.08) inset;
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  background: var(--canvas);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 75% 5%, rgba(65, 162, 211, 0.11), transparent 28rem),
    radial-gradient(circle at 18% 34%, rgba(80, 88, 170, 0.08), transparent 34rem),
    linear-gradient(180deg, var(--canvas-deep) 0, var(--canvas) 28rem, #080d19 100%);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
}

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

button,
summary {
  font: inherit;
}

button {
  color: inherit;
}

button:disabled {
  cursor: not-allowed;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--accent-ink);
  background: var(--accent);
  font-weight: 750;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 11, 22, 0.72);
  -webkit-backdrop-filter: saturate(135%) blur(18px);
  backdrop-filter: saturate(135%) blur(18px);
}

.header-inner,
.hero,
.section,
.trust-strip,
.final-cta,
.site-footer {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
}

.brand img {
  border-radius: 9px;
  box-shadow: 0 8px 28px rgba(65, 141, 255, 0.18);
}

.brand-name {
  display: grid;
  gap: 0;
  line-height: 1;
}

.brand-name strong {
  font-size: 16px;
  letter-spacing: 0.04em;
}

.brand-name small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.22em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-inline: auto;
  color: var(--muted-strong);
  font-size: 14px;
  font-weight: 650;
}

.desktop-nav a,
.site-footer nav a {
  transition: color 160ms ease;
}

.desktop-nav a:hover,
.site-footer nav a:hover {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.language-toggle {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted-strong);
  background: rgba(255, 255, 255, 0.035);
  font-size: 12px;
  font-weight: 750;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.language-toggle:hover {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.065);
}

.toggle-divider {
  width: 1px;
  height: 12px;
  background: var(--line-strong);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-weight: 760;
  line-height: 1;
  transition: transform 150ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease, color 160ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:active:not(:disabled) {
  transform: translateY(0) scale(0.985);
}

.button svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  color: var(--accent-ink);
  background: var(--accent);
  box-shadow: 0 12px 34px rgba(118, 215, 255, 0.2);
}

.button-primary:hover:not(:disabled) {
  background: var(--accent-strong);
  box-shadow: 0 15px 38px rgba(118, 215, 255, 0.26);
}

.button-ghost {
  border-color: var(--line);
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.025);
}

.button-ghost:hover:not(:disabled) {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.button:disabled {
  border-color: var(--line);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.035);
  box-shadow: none;
  opacity: 0.78;
}

.button-small {
  min-height: 40px;
  padding-inline: 16px;
  border-radius: 11px;
  font-size: 14px;
}

.button-block {
  width: 100%;
}

.mobile-menu {
  display: none;
  margin-left: auto;
}

.hero {
  min-height: min(830px, calc(100vh - var(--header-height)));
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(560px, 1.18fr);
  align-items: center;
  gap: clamp(44px, 5vw, 76px);
  padding-block: 94px 88px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 5px rgba(115, 229, 181, 0.09), 0 0 18px rgba(115, 229, 181, 0.4);
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--text);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  margin-bottom: 26px;
  font-size: clamp(52px, 4.6vw, 70px);
  line-height: 1.04;
  letter-spacing: -0.06em;
}

h1 span {
  display: block;
}

.accent-text {
  color: var(--accent);
}

.hero-lead {
  max-width: 620px;
  margin: 0;
  color: var(--muted-strong);
  font-size: clamp(17px, 1.45vw, 19px);
  line-height: 1.75;
}

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

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 42px 0 0;
  padding-top: 25px;
  border-top: 1px solid var(--line);
}

.hero-facts div {
  min-width: 0;
}

.hero-facts dt {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
}

.hero-proof {
  position: relative;
  min-width: 0;
  padding: 30px 0 44px;
}

.proof-aura {
  position: absolute;
  inset: 2% -8% -8% 8%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(72, 183, 235, 0.19), rgba(56, 85, 169, 0.09) 35%, transparent 70%);
  filter: blur(34px);
  opacity: 0.85;
}

.app-frame {
  position: relative;
  z-index: 1;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-large);
  background: #0e1526;
  box-shadow: var(--shadow-frame);
  transform: perspective(1500px) rotateY(-2.5deg) rotateX(1deg);
  transform-origin: center left;
}

.frame-meta {
  height: 44px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-inline: 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  background: rgba(18, 27, 46, 0.92);
  font-size: 11px;
}

.frame-meta > span {
  display: flex;
  gap: 6px;
}

.frame-meta i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.frame-meta i:first-child {
  background: #ff746c;
}

.frame-meta i:nth-child(2) {
  background: #ffc857;
}

.frame-meta i:nth-child(3) {
  background: #58d37b;
}

.frame-meta strong {
  color: var(--text-soft);
  font-weight: 700;
}

.frame-meta em {
  margin-left: auto;
  font-style: normal;
}

.app-frame > img {
  width: 100%;
  background: #e9edf4;
}

.quick-proof {
  position: absolute;
  right: -24px;
  bottom: 0;
  z-index: 4;
  width: min(48%, 330px);
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 19px;
  background: rgba(21, 30, 49, 0.88);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
}

.quick-proof img {
  width: 100%;
}

.quick-proof figcaption {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-inline: 13px;
  border-top: 1px solid var(--line);
  color: var(--muted-strong);
  font-size: 11px;
  font-weight: 700;
}

kbd {
  padding: 3px 6px;
  border: 1px solid var(--line-strong);
  border-bottom-color: rgba(255, 255, 255, 0.24);
  border-radius: 6px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.06);
  font-family: var(--font);
  font-size: 10px;
}

.privacy-note {
  position: absolute;
  bottom: 2px;
  left: -32px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 13px 10px 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(11, 17, 30, 0.88);
  box-shadow: 0 16px 46px rgba(0, 0, 0, 0.32);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
  backdrop-filter: blur(18px) saturate(135%);
}

.privacy-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--success);
  background: rgba(115, 229, 181, 0.09);
}

.privacy-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.privacy-note > span:last-child {
  display: grid;
  line-height: 1.35;
}

.privacy-note strong {
  font-size: 11px;
}

.privacy-note small {
  color: var(--muted);
  font-size: 9px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
}

.trust-strip p {
  position: relative;
  display: grid;
  gap: 3px;
  margin: 0;
  padding: 25px 28px;
}

.trust-strip p + p::before {
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 0;
  width: 1px;
  content: "";
  background: var(--line);
}

.trust-strip span {
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 750;
}

.trust-strip small {
  color: var(--muted);
  font-size: 12px;
}

.section {
  padding-block: clamp(92px, 10vw, 150px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 50px;
}

.section-heading h2,
.license-copy h2,
.final-cta h2 {
  margin-bottom: 22px;
  font-size: clamp(38px, 4.2vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.section-heading > p:last-child,
.license-copy > p,
.download-footnote {
  max-width: 680px;
  margin: 0;
  color: var(--muted-strong);
  font-size: 17px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.capability {
  position: relative;
  min-height: 330px;
  display: flex;
  flex-direction: column;
  padding: clamp(28px, 4vw, 44px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  background: linear-gradient(145deg, rgba(18, 28, 48, 0.8), rgba(11, 17, 30, 0.68));
}

.capability-wide {
  min-height: 360px;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(340px, 1.12fr);
  align-items: center;
  gap: clamp(28px, 6vw, 80px);
}

.capability h3 {
  margin: 20px 0 15px;
  font-size: clamp(26px, 3vw, 36px);
}

.capability p {
  max-width: 520px;
  margin: 0;
  color: var(--muted-strong);
}

.cap-index {
  align-self: flex-start;
  color: var(--accent);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted-strong);
  background: rgba(255, 255, 255, 0.025);
  font-size: 11px;
  font-weight: 700;
}

.selection-demo {
  position: relative;
  display: grid;
  gap: 22px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: rgba(5, 9, 18, 0.62);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
}

.selection-source {
  width: fit-content;
  padding: 3px 5px;
  color: #dff6ff;
  background: rgba(57, 157, 204, 0.34);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(13px, 1.5vw, 17px);
}

.selection-demo strong {
  max-width: 360px;
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.55;
  letter-spacing: -0.02em;
}

.selection-cursor {
  position: absolute;
  top: 37px;
  right: 22%;
  width: 0;
  height: 0;
  border-top: 12px solid var(--text);
  border-right: 7px solid transparent;
  border-left: 7px solid transparent;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.5));
  transform: rotate(-35deg);
}

.wave {
  height: 82px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 30px;
}

.wave i {
  width: 5px;
  border-radius: 999px;
  background: linear-gradient(to top, rgba(118, 215, 255, 0.26), var(--accent));
}

.wave i:nth-child(1), .wave i:nth-child(9) { height: 18px; }
.wave i:nth-child(2), .wave i:nth-child(8) { height: 36px; }
.wave i:nth-child(3), .wave i:nth-child(7) { height: 54px; }
.wave i:nth-child(4), .wave i:nth-child(6) { height: 42px; }
.wave i:nth-child(5) { height: 66px; }

.vision-grid {
  width: 152px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: auto;
  margin-left: auto;
  padding-top: 30px;
}

.vision-grid i {
  aspect-ratio: 1.15;
  border: 1px solid rgba(118, 215, 255, 0.18);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(118, 215, 255, 0.15), rgba(82, 98, 185, 0.07));
}

.vision-grid i:nth-child(2),
.vision-grid i:nth-child(3) {
  transform: scale(0.82);
}

.capability-memory {
  min-height: 280px;
}

.memory-lines {
  display: grid;
  gap: 13px;
}

.memory-lines span {
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(90deg, rgba(118, 215, 255, 0.11), rgba(255, 255, 255, 0.025) 65%);
}

.memory-lines span:nth-child(2) { width: 84%; }
.memory-lines span:nth-child(3) { width: 92%; }
.memory-lines span:nth-child(4) { width: 68%; }

.screens {
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100vw - var(--container)) / 2));
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}

.screen-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(300px, 0.72fr);
  gap: 18px;
}

.screen-card {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  background: rgba(13, 20, 35, 0.8);
}

.screen-image {
  min-height: 330px;
  padding: clamp(18px, 3.8vw, 46px) clamp(18px, 3.8vw, 46px) 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 10%, rgba(118, 215, 255, 0.1), transparent 50%),
    #0a101d;
}

.screen-image img {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 0;
  border-radius: 20px 20px 0 0;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

.screen-card figcaption {
  display: grid;
  gap: 5px;
  min-height: 100px;
  padding: 22px 24px;
  border-top: 1px solid var(--line);
}

.screen-card figcaption strong {
  font-size: 16px;
}

.screen-card figcaption span {
  color: var(--muted);
  font-size: 13px;
}

.quick-stage {
  min-height: 330px;
  display: grid;
  place-items: center;
  padding: 34px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    radial-gradient(circle, rgba(118, 215, 255, 0.1), transparent 56%),
    #0a101d;
  background-size: 36px 36px, 36px 36px, auto, auto;
}

.quick-stage img {
  width: min(100%, 330px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 22px;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.5);
}

.workflow-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.workflow-list li {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 26px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.workflow-list > li > span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.14em;
}

.workflow-list h3 {
  margin-bottom: 8px;
  font-size: clamp(22px, 2.4vw, 30px);
}

.workflow-list p {
  margin: 0;
  color: var(--muted-strong);
}

.license-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.62fr);
  gap: clamp(36px, 8vw, 110px);
  align-items: center;
  padding: clamp(36px, 6vw, 74px);
  border: 1px solid rgba(118, 215, 255, 0.2);
  border-radius: var(--radius-large);
  background:
    radial-gradient(circle at 82% 22%, rgba(118, 215, 255, 0.11), transparent 32%),
    linear-gradient(145deg, rgba(17, 27, 47, 0.96), rgba(9, 15, 27, 0.9));
  box-shadow: 0 32px 110px rgba(0, 0, 0, 0.26);
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px 24px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text-soft);
  font-size: 14px;
}

.check-list li::before {
  position: absolute;
  top: 0.48em;
  left: 0;
  width: 13px;
  height: 7px;
  border-bottom: 2px solid var(--success);
  border-left: 2px solid var(--success);
  content: "";
  transform: rotate(-45deg);
}

.price-card {
  display: grid;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background: rgba(5, 9, 18, 0.64);
}

.price-card > span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.price-card > strong {
  font-size: clamp(27px, 3vw, 38px);
  letter-spacing: -0.04em;
}

.price-card > small {
  margin-bottom: 5px;
  color: var(--muted);
}

.purchase-assurance {
  display: grid;
  gap: 8px;
  margin: 0 0 15px;
  padding: 16px 0;
  border-block: 1px solid var(--line);
  list-style: none;
}

.purchase-assurance li {
  position: relative;
  padding-left: 18px;
  color: var(--muted-strong);
  font-size: 11px;
}

.purchase-assurance li::before {
  position: absolute;
  top: 0.62em;
  left: 1px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  content: "";
  background: var(--success);
}

.price-card p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.download-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  background: rgba(14, 22, 38, 0.72);
}

.platform-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.035);
}

.platform-icon svg {
  width: 25px;
  height: 25px;
  fill: currentColor;
}

.platform-label {
  margin: 0 0 2px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.download-card h3 {
  margin: 0;
  font-size: 22px;
}

.release-meta {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.release-status {
  padding: 6px 9px;
  border: 1px solid rgba(255, 200, 111, 0.22);
  border-radius: 8px;
  color: var(--warning);
  background: rgba(255, 200, 111, 0.07);
  font-size: 10px;
  font-weight: 760;
}

.release-status.is-ready {
  border-color: rgba(115, 229, 181, 0.22);
  color: var(--success);
  background: rgba(115, 229, 181, 0.07);
}

.download-card .button {
  grid-column: 1 / -1;
  margin-top: 6px;
}

.download-footnote {
  margin: 24px auto 0;
  font-size: 12px;
  text-align: center;
}

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

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

.faq-list summary {
  position: relative;
  padding: 25px 56px 25px 0;
  cursor: pointer;
  color: var(--text-soft);
  font-size: 18px;
  font-weight: 720;
  list-style: none;
}

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

.faq-list summary::before,
.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 12px;
  width: 14px;
  height: 1px;
  content: "";
  background: var(--muted-strong);
  transition: transform 180ms ease;
}

.faq-list summary::after {
  transform: rotate(90deg);
}

.faq-list details[open] summary::after {
  transform: rotate(0);
}

.faq-list details p {
  max-width: 760px;
  margin: -3px 0 26px;
  color: var(--muted-strong);
}

.final-cta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 100px;
  padding: clamp(36px, 6vw, 68px);
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background:
    linear-gradient(100deg, rgba(118, 215, 255, 0.08), transparent 48%),
    rgba(14, 22, 38, 0.72);
}

.final-cta .eyebrow {
  margin-bottom: 15px;
}

.final-cta h2 {
  max-width: 720px;
  margin: 0;
}

.final-cta .button {
  flex: 0 0 auto;
}

.site-footer {
  padding-block: 42px 28px;
  border-top: 1px solid var(--line);
}

.footer-main {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
}

.footer-main > p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.site-footer nav {
  display: flex;
  gap: 22px;
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 700;
}

.footer-legal {
  display: grid;
  grid-template-columns: auto minmax(0, 720px);
  justify-content: space-between;
  gap: 30px;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
}

.footer-legal p {
  margin: 0;
}

.not-found {
  min-height: 100vh;
  width: min(calc(100% - 40px), 760px);
  display: grid;
  align-content: center;
  justify-items: start;
  margin-inline: auto;
  padding-block: 80px;
}

.not-found .brand {
  margin-bottom: 72px;
}

.not-found h1 {
  max-width: 720px;
}

.not-found > p:not(.eyebrow) {
  margin: 0 0 30px;
  color: var(--muted-strong);
  font-size: 18px;
}

.reveal {
  transition: opacity 480ms ease, transform 480ms cubic-bezier(0.22, 1, 0.36, 1);
}

.js .reveal:not(.is-visible) {
  opacity: 0;
  transform: translateY(18px);
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: minmax(0, 0.8fr) minmax(500px, 1.2fr);
    gap: 36px;
  }

  .quick-proof {
    right: -8px;
  }

  .privacy-note {
    left: -12px;
  }

  .desktop-nav {
    gap: 18px;
  }
}

@media (max-width: 960px) {
  :root {
    --header-height: 66px;
  }

  .desktop-nav {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 52px;
    padding-block: 84px 74px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-proof {
    width: min(92%, 760px);
    margin-inline: auto;
  }

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

  .quick-stage {
    min-height: 270px;
  }

  .license-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .header-inner,
  .hero,
  .section,
  .trust-strip,
  .final-cta,
  .site-footer {
    width: min(calc(100% - 28px), var(--container));
  }

  .site-header {
    background: rgba(7, 11, 22, 0.84);
  }

  .header-actions .button {
    display: none;
  }

  .language-toggle {
    min-height: 38px;
    padding-inline: 10px;
  }

  .mobile-menu {
    position: relative;
    display: block;
  }

  .mobile-menu summary {
    width: 40px;
    height: 40px;
    display: grid;
    place-content: center;
    gap: 6px;
    cursor: pointer;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.035);
    list-style: none;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .mobile-menu summary span {
    width: 17px;
    height: 1px;
    background: var(--text-soft);
    transition: transform 160ms ease;
  }

  .mobile-menu[open] summary span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .mobile-menu[open] summary span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .mobile-menu nav {
    position: absolute;
    top: 48px;
    right: 0;
    width: min(260px, calc(100vw - 28px));
    display: grid;
    padding: 8px;
    border: 1px solid var(--line-strong);
    border-radius: 15px;
    background: rgba(12, 19, 33, 0.96);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.44);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
  }

  .mobile-menu nav a {
    padding: 11px 12px;
    border-radius: 9px;
    color: var(--text-soft);
    font-size: 14px;
    font-weight: 680;
  }

  .mobile-menu nav a:hover {
    background: rgba(255, 255, 255, 0.055);
  }

  .hero {
    gap: 36px;
    padding-block: 66px 56px;
  }

  h1 {
    margin-bottom: 21px;
    font-size: clamp(42px, 13.3vw, 56px);
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    margin-top: 28px;
  }

  .hero-actions .button {
    flex: 1 1 170px;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    gap: 13px;
    margin-top: 34px;
  }

  .hero-facts div {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 12px;
  }

  .hero-proof {
    width: 100%;
    padding-bottom: 74px;
  }

  .proof-aura {
    inset: 0;
  }

  .app-frame {
    border-radius: 19px;
    transform: none;
  }

  .frame-meta {
    height: 38px;
    padding-inline: 12px;
  }

  .frame-meta em {
    display: none;
  }

  .quick-proof {
    right: 3px;
    bottom: 0;
    width: min(65%, 260px);
    border-radius: 15px;
  }

  .quick-proof figcaption {
    min-height: 38px;
  }

  .privacy-note {
    bottom: 20px;
    left: 3px;
  }

  .privacy-note small {
    display: none;
  }

  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-strip p {
    padding: 18px 14px;
  }

  .trust-strip p + p::before {
    top: 16px;
    bottom: 16px;
  }

  .trust-strip p:nth-child(3)::before {
    display: none;
  }

  .trust-strip p:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .section {
    padding-block: 92px;
  }

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

  .section-heading h2,
  .license-copy h2,
  .final-cta h2 {
    font-size: clamp(34px, 10vw, 44px);
  }

  .section-heading > p:last-child,
  .license-copy > p {
    font-size: 15px;
  }

  .capability-grid,
  .capability-wide {
    grid-template-columns: 1fr;
  }

  .capability,
  .capability-wide {
    min-height: 0;
    gap: 30px;
    padding: 28px 24px;
  }

  .capability h3 {
    font-size: 28px;
  }

  .selection-demo {
    padding: 22px;
  }

  .selection-cursor {
    display: none;
  }

  .screen-image {
    min-height: 0;
    padding: 18px 18px 0;
  }

  .screen-image img {
    border-radius: 12px 12px 0 0;
  }

  .screen-card figcaption {
    min-height: 0;
    padding: 18px;
  }

  .quick-stage {
    min-height: 230px;
    padding: 24px;
  }

  .workflow-list li {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
    padding: 25px 0;
  }

  .license-panel {
    gap: 34px;
    padding: 28px 22px;
    border-radius: 22px;
  }

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

  .price-card {
    padding: 23px 19px;
  }

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

  .download-card {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 14px;
    padding: 22px;
  }

  .release-status {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .faq-list summary {
    font-size: 16px;
  }

  .final-cta {
    align-items: stretch;
    flex-direction: column;
    margin-bottom: 70px;
    padding: 30px 23px;
    border-radius: 22px;
  }

  .final-cta .button {
    width: 100%;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .site-footer nav {
    flex-wrap: wrap;
  }

  .footer-legal {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 430px) {
  .brand-name {
    display: none;
  }

  .hero-actions .button {
    flex-basis: 100%;
  }

  .privacy-note {
    padding-right: 9px;
  }

  .privacy-note > span:last-child {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js .reveal:not(.is-visible) {
    opacity: 1;
    transform: none;
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header,
  .quick-proof,
  .privacy-note,
  .mobile-menu nav {
    background: rgba(8, 13, 24, 0.98);
  }
}