:root {
  color-scheme: dark;
  --bg: #04101f;
  --bg-deep: #020812;
  --surface: rgba(10, 29, 52, 0.78);
  --surface-strong: #0a1b30;
  --surface-soft: rgba(16, 44, 74, 0.55);
  --line: rgba(151, 194, 231, 0.16);
  --line-strong: rgba(151, 194, 231, 0.32);
  --text: #f4f8fb;
  --muted: #a8b9ca;
  --blue: #75c7ff;
  --blue-deep: #1f78c9;
  --orange: #ffb15b;
  --orange-soft: #ffd399;
  --green: #57d99b;
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.34);
  --font-display: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 76% 8%, rgba(43, 135, 214, 0.16), transparent 30rem),
    radial-gradient(circle at 18% 30%, rgba(255, 169, 77, 0.06), transparent 24rem),
    linear-gradient(180deg, #051426 0%, var(--bg) 38%, var(--bg-deep) 100%);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgba(137, 188, 225, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(137, 188, 225, 0.032) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 72%);
  content: "";
  pointer-events: none;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

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

button,
summary {
  font: inherit;
}

button {
  color: inherit;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.035em;
  line-height: 1.16;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

::selection {
  background: rgba(255, 177, 91, 0.3);
  color: #fff;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  background: #fff;
  color: #061322;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.container {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgba(4, 16, 31, 0.72);
  backdrop-filter: blur(22px);
}

.site-header::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(169, 209, 240, 0.2), transparent);
  content: "";
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 78px;
  gap: 34px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: none;
  gap: 11px;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.brand span {
  display: grid;
  line-height: 1.1;
}

.brand strong {
  color: #fff;
  font-size: 19px;
  letter-spacing: 0.04em;
}

.brand small {
  margin-top: 5px;
  color: #7189a2;
  font-size: 10px;
  letter-spacing: 0.14em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.desktop-nav a,
.footer-links a {
  color: var(--muted);
  font-size: 14px;
  transition: color 160ms ease;
}

.desktop-nav a:hover,
.footer-links a:hover {
  color: #fff;
}

.header-download {
  margin-left: auto;
  padding: 10px 18px;
  border: 1px solid rgba(255, 188, 108, 0.38);
  border-radius: 12px;
  background: rgba(255, 177, 91, 0.08);
  color: var(--orange-soft);
  font-size: 14px;
  font-weight: 700;
  transition:
    background 160ms ease,
    border-color 160ms ease;
}

.header-download:hover {
  border-color: rgba(255, 188, 108, 0.7);
  background: rgba(255, 177, 91, 0.14);
}

.mobile-nav {
  display: none;
}

.mobile-nav summary {
  list-style: none;
  cursor: pointer;
}

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

.hero {
  position: relative;
  overflow: hidden;
  padding: 104px 0 106px;
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 240px;
  background: linear-gradient(to bottom, transparent, rgba(2, 8, 18, 0.34));
  content: "";
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(2px);
  pointer-events: none;
}

.hero-glow-one {
  top: 52px;
  right: -180px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(42, 144, 224, 0.2), transparent 68%);
}

.hero-glow-two {
  bottom: 0;
  left: -220px;
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, rgba(255, 166, 75, 0.1), transparent 68%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: 76px;
}

.hero-copy {
  animation: rise-in 700ms both;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 26px;
  color: #bed8ec;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(87, 217, 155, 0.09), 0 0 18px rgba(87, 217, 155, 0.66);
}

.hero h1 {
  max-width: 680px;
  font-size: clamp(44px, 5.4vw, 72px);
  font-weight: 800;
}

.hero h1 span {
  background: linear-gradient(100deg, #fff 12%, #91d7ff 62%, #ffc57d 108%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 590px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 750;
  line-height: 1.2;
  cursor: pointer;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

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

.button svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.button-primary {
  background: linear-gradient(135deg, #ffb45e, #ffd59e);
  box-shadow: 0 12px 34px rgba(255, 164, 69, 0.2);
  color: #171008;
}

.button-primary:hover {
  box-shadow: 0 17px 42px rgba(255, 164, 69, 0.28);
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(13, 35, 59, 0.55);
  color: #e7f0f8;
}

.button-secondary:hover {
  border-color: rgba(163, 208, 242, 0.48);
  background: rgba(20, 51, 82, 0.72);
}

.platform-recommendation {
  min-height: 24px;
  margin-top: 13px;
  color: #7891a9;
  font-size: 12px;
}

.hero-meta {
  display: flex;
  gap: 0;
  margin-top: 42px;
}

.hero-meta > div {
  padding-right: 26px;
}

.hero-meta > div + div {
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.hero-meta dt {
  margin-bottom: 5px;
  color: #7289a0;
  font-size: 11px;
}

.hero-meta dd {
  color: #dce8f2;
  font-size: 13px;
  font-weight: 650;
}

.hero-visual {
  position: relative;
  min-width: 0;
  animation: rise-in 800ms 100ms both;
  perspective: 1200px;
}

.hero-visual::before {
  position: absolute;
  z-index: -1;
  inset: 10% -7% -10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(51, 156, 235, 0.2), transparent 70%);
  filter: blur(30px);
  content: "";
}

.window-frame {
  overflow: hidden;
  border: 1px solid rgba(165, 205, 235, 0.24);
  border-radius: 24px;
  background: #07111e;
  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.48),
    inset 0 0 0 1px rgba(255, 255, 255, 0.025);
  transform: rotateY(-3deg) rotateX(1.5deg);
  transform-origin: right center;
  transition: transform 340ms ease;
}

.hero-visual:hover .window-frame {
  transform: rotateY(0) rotateX(0);
}

.window-bar {
  display: flex;
  align-items: center;
  height: 38px;
  gap: 7px;
  padding: 0 14px;
  border-bottom: 1px solid rgba(155, 201, 236, 0.12);
  background: linear-gradient(180deg, #101f31, #0b1929);
}

.window-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #506278;
}

.window-bar span:first-child {
  background: #ec6d63;
}

.window-bar span:nth-child(2) {
  background: #eab44f;
}

.window-bar span:nth-child(3) {
  background: #5ec675;
}

.window-bar p {
  margin: 0 auto;
  padding-right: 38px;
  color: #75889b;
  font-size: 9px;
  letter-spacing: 0.05em;
}

.window-frame img {
  width: 100%;
  height: auto;
}

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 13px;
  border: 1px solid rgba(153, 201, 237, 0.22);
  border-radius: 14px;
  background: rgba(7, 24, 43, 0.88);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px);
}

.floating-card span:last-child {
  display: grid;
  line-height: 1.3;
}

.floating-card strong {
  color: #eaf4fb;
  font-size: 11px;
}

.floating-card small {
  margin-top: 3px;
  color: #7e94a9;
  font-size: 9px;
}

.floating-card-top {
  top: 12%;
  right: -20px;
}

.floating-card-bottom {
  bottom: -24px;
  left: -22px;
}

.floating-icon {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(116, 198, 255, 0.2), rgba(255, 180, 94, 0.18));
  color: #bce5ff;
  font-size: 9px;
  font-weight: 800;
}

.pulse-ring {
  width: 25px;
  height: 25px;
  border: 1px solid rgba(87, 217, 155, 0.52);
  border-radius: 50%;
  background: radial-gradient(circle, var(--green) 0 4px, transparent 5px);
  box-shadow: 0 0 20px rgba(87, 217, 155, 0.2);
}

.trust-strip {
  position: relative;
  z-index: 2;
  border-block: 1px solid var(--line);
  background: rgba(7, 21, 38, 0.52);
}

.trust-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-block: 20px;
}

.trust-items span {
  position: relative;
  padding-left: 19px;
  color: #859caf;
  font-size: 12px;
  text-align: center;
}

.trust-items span::before {
  position: absolute;
  top: 50%;
  left: 25%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #50728f;
  content: "";
  transform: translate(-50%, -50%);
}

.section {
  position: relative;
  padding: 112px 0;
}

.section-heading {
  max-width: 640px;
  margin-bottom: 42px;
}

.section-heading-centered {
  margin-inline: auto;
  text-align: center;
}

.section-kicker {
  margin-bottom: 13px;
  color: var(--orange);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-heading h2 {
  font-size: clamp(34px, 4.4vw, 52px);
}

.section-heading > p:last-child {
  margin-top: 18px;
  color: var(--muted);
  font-size: 16px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 230px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(15, 40, 67, 0.82), rgba(7, 22, 40, 0.64));
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.feature-card::after {
  position: absolute;
  right: -60px;
  bottom: -90px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(88, 173, 235, 0.09), transparent 70%);
  content: "";
}

.feature-card:hover {
  border-color: rgba(128, 190, 238, 0.3);
  background:
    linear-gradient(145deg, rgba(18, 48, 79, 0.9), rgba(8, 26, 46, 0.78));
  transform: translateY(-4px);
}

.feature-card-wide {
  grid-column: span 2;
  display: grid;
  grid-template-columns: auto 1fr;
  align-content: start;
  column-gap: 18px;
}

.feature-card-wide h3,
.feature-card-wide p {
  grid-column: 2;
}

.feature-icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin-bottom: 34px;
  border: 1px solid rgba(123, 194, 240, 0.2);
  border-radius: 13px;
  background: rgba(77, 165, 230, 0.08);
  color: #8fd5ff;
}

.feature-card-wide .feature-icon {
  grid-row: span 2;
  margin: 0;
}

.feature-icon svg {
  width: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
}

.feature-card p {
  margin-top: 12px;
  color: #91a6b9;
  font-size: 14px;
  line-height: 1.8;
}

.download-section {
  isolation: isolate;
}

.download-section::before {
  position: absolute;
  z-index: -1;
  top: 6%;
  right: 0;
  left: 0;
  height: 80%;
  background:
    radial-gradient(ellipse at 50% 35%, rgba(35, 119, 183, 0.13), transparent 65%);
  content: "";
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  max-width: 900px;
  margin-inline: auto;
  gap: 18px;
}

.platform-card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(15, 41, 69, 0.92), rgba(6, 20, 37, 0.88));
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.2);
  transition:
    border-color 180ms ease,
    transform 180ms ease;
}

.platform-card:hover {
  border-color: rgba(140, 198, 239, 0.35);
  transform: translateY(-4px);
}

.platform-card.is-recommended {
  border-color: rgba(255, 177, 91, 0.4);
  box-shadow:
    0 22px 60px rgba(0, 0, 0, 0.2),
    0 0 0 1px rgba(255, 177, 91, 0.07) inset;
}

.platform-heading {
  display: flex;
  align-items: center;
  gap: 16px;
}

.platform-label {
  margin-bottom: 2px;
  color: #6f8aa2;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.platform-heading h3 {
  font-size: 24px;
}

.os-icon {
  display: grid;
  flex: none;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 14px;
  background: rgba(107, 185, 242, 0.08);
  color: #a6ddff;
}

.windows-icon {
  grid-template-columns: repeat(2, 9px);
  grid-template-rows: repeat(2, 9px);
  gap: 3px;
}

.windows-icon i {
  width: 9px;
  height: 9px;
  background: currentColor;
}

.apple-icon svg {
  width: 28px;
  fill: currentColor;
}

.recommended-badge {
  margin-left: auto;
  padding: 5px 9px;
  border: 1px solid rgba(255, 177, 91, 0.32);
  border-radius: 999px;
  background: rgba(255, 177, 91, 0.09);
  color: var(--orange-soft);
  font-size: 10px;
  font-weight: 700;
}

.platform-description {
  min-height: 52px;
  margin-top: 24px;
  color: #91a6b9;
  font-size: 14px;
}

.file-meta {
  display: flex;
  justify-content: space-between;
  margin: 22px 0 10px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #7890a6;
  font-size: 12px;
}

.button-platform {
  width: 100%;
  margin-top: 12px;
  border-color: rgba(138, 200, 242, 0.25);
  background: rgba(77, 165, 230, 0.09);
  color: #dff3ff;
}

.button-platform:hover {
  border-color: rgba(138, 200, 242, 0.5);
  background: rgba(77, 165, 230, 0.16);
}

.is-recommended .button-platform {
  border-color: transparent;
  background: linear-gradient(135deg, #ffb45e, #ffd59e);
  color: #171008;
}

.checksum {
  margin-top: 17px;
  color: #7189a0;
  font-size: 11px;
}

.checksum summary {
  width: max-content;
  cursor: pointer;
  transition: color 160ms ease;
}

.checksum summary:hover {
  color: #a8c4d9;
}

.checksum-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 8px;
  margin-top: 12px;
}

.checksum code {
  overflow-wrap: anywhere;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.16);
  color: #8fb1c9;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  line-height: 1.6;
}

.copy-button {
  min-width: 50px;
  min-height: 36px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  color: #9bb3c7;
  font-size: 11px;
  cursor: pointer;
}

.copy-button:hover,
.copy-button.copy-success {
  border-color: rgba(87, 217, 155, 0.4);
  color: #8be6b9;
}

.release-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 42px;
  max-width: 900px;
  margin: 28px auto 0;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(8, 25, 44, 0.52);
}

.release-kicker {
  color: var(--orange);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.release-panel h3 {
  margin-top: 7px;
  font-size: 20px;
}

.release-status {
  margin-top: 9px;
  color: #7189a0;
  font-size: 11px;
}

.release-panel ul {
  margin: 0;
  padding-left: 18px;
  color: #91a6b9;
  font-size: 13px;
}

.release-panel li + li {
  margin-top: 5px;
}

.noscript-note {
  max-width: 900px;
  margin: 14px auto 0;
  padding: 12px 16px;
  border: 1px solid rgba(255, 177, 91, 0.2);
  border-radius: 10px;
  background: rgba(255, 177, 91, 0.06);
  color: #c9b495;
  font-size: 12px;
}

.install-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.install-grid li {
  position: relative;
  min-height: 210px;
  padding: 0 32px 0 0;
}

.install-grid li + li {
  padding-left: 32px;
  border-left: 1px solid var(--line);
}

.step-number {
  display: block;
  margin-bottom: 34px;
  color: rgba(117, 199, 255, 0.45);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.install-grid h3 {
  font-size: 23px;
}

.install-grid p {
  margin-top: 13px;
  color: #8da2b5;
  font-size: 14px;
}

.requirements-section {
  border-block: 1px solid var(--line);
  background: rgba(5, 17, 31, 0.58);
}

.requirements-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
}

.requirements-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 28px;
}

.requirements-list > div {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.requirements-list dt {
  color: #e4edf5;
  font-size: 13px;
  font-weight: 700;
}

.requirements-list dd {
  margin-top: 5px;
  color: #849bb0;
  font-size: 12px;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  align-items: start;
  gap: 70px;
}

.faq-layout .section-heading {
  position: sticky;
  top: 118px;
}

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

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

.faq-list summary {
  position: relative;
  padding: 22px 48px 22px 0;
  color: #e7f0f7;
  font-size: 15px;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 6px;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: #8da8bd;
  content: "+";
  font-size: 17px;
  font-weight: 400;
  line-height: 19px;
  text-align: center;
  transform: translateY(-50%);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 760px;
  padding: 0 48px 24px 0;
  color: #8da2b5;
  font-size: 14px;
}

.site-footer {
  padding: 58px 0 24px;
  border-top: 1px solid var(--line);
  background: #020812;
}

.footer-main {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 46px;
}

.footer-brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.footer-main > p {
  max-width: 560px;
  color: #70869b;
  font-size: 12px;
}

.footer-links {
  display: flex;
  gap: 22px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 42px;
  padding-top: 20px;
  border-top: 1px solid rgba(151, 194, 231, 0.08);
  color: #7f96aa;
  font-size: 11px;
}

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero {
    padding-top: 78px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 70px;
  }

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

  .hero-visual {
    max-width: 780px;
  }

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

  .feature-card-wide {
    grid-column: span 2;
  }

  .requirements-layout,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .faq-layout .section-heading {
    position: static;
  }

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

  .footer-main > p {
    grid-column: span 2;
    grid-row: 2;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 82px;
  }

  .container {
    width: min(100% - 30px, 1180px);
  }

  .header-inner {
    min-height: 68px;
  }

  .brand img {
    width: 37px;
    height: 37px;
  }

  .brand small,
  .desktop-nav {
    display: none;
  }

  .header-download {
    margin-left: auto;
    padding: 9px 13px;
    font-size: 12px;
  }

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

  .mobile-nav summary {
    display: grid;
    min-width: 44px;
    min-height: 44px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 11px;
    color: #c8d8e5;
    font-size: 12px;
  }

  .mobile-nav nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    display: grid;
    min-width: 150px;
    padding: 10px;
    border: 1px solid var(--line-strong);
    border-radius: 14px;
    background: #08192c;
    box-shadow: var(--shadow-lg);
  }

  .mobile-nav nav a {
    padding: 9px 12px;
    border-radius: 8px;
    color: #bdd0df;
    font-size: 13px;
  }

  .mobile-nav nav a:hover {
    background: rgba(255, 255, 255, 0.05);
  }

  .hero {
    padding: 64px 0 74px;
  }

  .hero-grid {
    gap: 58px;
  }

  .hero h1 {
    font-size: clamp(38px, 12vw, 58px);
  }

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

  .hero-actions .button {
    flex: 1 1 180px;
  }

  .hero-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-meta > div {
    padding-right: 12px;
  }

  .hero-meta > div + div {
    padding-left: 12px;
  }

  .hero-meta dd {
    font-size: 11px;
  }

  .window-frame {
    border-radius: 18px;
    transform: none;
  }

  .floating-card {
    display: none;
  }

  .trust-items {
    grid-template-columns: repeat(2, 1fr);
    gap: 11px 0;
    padding-block: 15px;
  }

  .trust-items span {
    text-align: left;
  }

  .trust-items span::before {
    left: 3px;
  }

  .section {
    padding: 82px 0;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .section-heading h2 {
    font-size: clamp(31px, 9vw, 43px);
  }

  .feature-grid,
  .download-grid,
  .install-grid,
  .requirements-list {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-card-wide {
    grid-column: auto;
    min-height: 0;
  }

  .feature-card-wide {
    display: block;
  }

  .feature-card-wide .feature-icon {
    margin-bottom: 26px;
  }

  .feature-icon {
    margin-bottom: 26px;
  }

  .platform-card {
    padding: 22px;
  }

  .platform-description {
    min-height: 0;
  }

  .install-grid li,
  .install-grid li + li {
    min-height: 0;
    padding: 26px 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .install-grid li:first-child {
    border-top: 0;
  }

  .step-number {
    margin-bottom: 18px;
  }

  .release-panel {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 22px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-main > p {
    grid-column: auto;
    grid-row: auto;
  }

  .footer-links {
    gap: 18px;
  }

  .footer-bottom {
    margin-top: 26px;
  }
}

@media (max-width: 430px) {
  .hero-actions {
    display: grid;
  }

  .hero-meta {
    gap: 12px 0;
  }

  .hero-meta > div:last-child {
    grid-column: span 3;
    padding-top: 12px;
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .checksum-row {
    grid-template-columns: 1fr;
  }

  .copy-button {
    justify-self: start;
  }
}

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

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