:root {
  --bg: #07070f;
  --bg-2: #0d0d1a;
  --bg-3: #111122;
  --panel: #0d0d1a;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.12);
  --paper: #f5f6f4;
  --paper-card: #ffffff;
  --paper-line: #e2e6e3;
  --white: #ffffff;
  --text: #e8e8f0;
  --muted: #7070a0;
  --faint: #7070a0;
  --dark-text: #141a1e;
  --dark-muted: #5a666c;
  --accent: #6c63ff;
  --accent-2: #00d4ff;
  --accent-strong: #5a52e0;
  --accent-deep: #2f7fd6;
  --grad: linear-gradient(135deg, #6c63ff, #00d4ff);
  --grad-text: linear-gradient(135deg, #a78bfa, #38bdf8, #00d4ff);
  --teal: #43d9c0;
  --green: #3fb950;
  --red: #f85149;
  --max-width: 1220px;
  --header-height: 68px;
  --radius-card: 18px;
  --radius-button: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg);
  font-family: "Inter", "Segoe UI", system-ui, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

button {
  color: inherit;
  font: inherit;
}

svg {
  display: block;
}

.section-shell,
.nav-shell,
.hero-inner {
  width: min(calc(100% - 48px), var(--max-width));
  margin-inline: auto;
}

h1,
h2,
h3 {
  font-family: "Inter", "Segoe UI", system-ui, Arial, sans-serif;
}

/* ---------------------------------------------------------------- header */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background-color 300ms ease, border-color 300ms ease, box-shadow 300ms ease;
}

.site-header.scrolled,
body.menu-open .site-header {
  background: rgba(7, 7, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
}

.nav-shell {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  color: var(--white);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}

.desktop-nav a,
.footer-layout nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 150ms ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible,
.footer-layout nav a:hover,
.footer-layout nav a:focus-visible {
  color: var(--white);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, 36px);
  height: 32px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
}

.language-switch button {
  border: 0;
  background: transparent;
  color: #8b979e;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  transition: background-color 150ms ease, color 150ms ease;
}

.language-switch button[aria-pressed="true"] {
  background: rgba(108, 99, 255, 0.28);
  color: var(--white);
}

/* ---------------------------------------------------------------- buttons */

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: var(--radius-button);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.2;
  text-align: center;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease,
    box-shadow 150ms ease, transform 150ms ease;
}

.button-small {
  min-height: 38px;
  padding-inline: 16px;
  font-size: 13px;
  border-radius: 10px;
}

.button-primary {
  background: var(--grad);
  color: var(--white);
  text-shadow: 0 1px 2px rgba(6, 10, 30, 0.25);
  box-shadow: 0 4px 40px rgba(108, 99, 255, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: linear-gradient(135deg, #7d75ff, #2bdcff);
  box-shadow: 0 8px 60px rgba(108, 99, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.26);
  transform: translateY(-1px);
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--white);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.06);
}

.windows-mark {
  width: 17px;
  height: 17px;
  display: grid;
  flex: 0 0 17px;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 2px;
}

.windows-mark i {
  background: currentColor;
  border-radius: 0.5px;
}

.menu-button {
  width: 40px;
  height: 40px;
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  width: 21px;
  height: 2px;
  display: block;
  margin: 4px auto;
  border-radius: 1px;
  background: var(--white);
  transition: transform 160ms ease, opacity 160ms ease;
}

.menu-button[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-button[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-nav {
  display: none;
}

/* ---------------------------------------------------------------- hero */

.hero {
  position: relative;
  display: grid;
  min-height: clamp(660px, 100svh, 1080px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(1000px 640px at 76% 34%, rgba(108, 99, 255, 0.16), rgba(108, 99, 255, 0) 62%),
    radial-gradient(900px 620px at 2% -6%, rgba(108, 99, 255, 0.12), rgba(108, 99, 255, 0) 58%),
    radial-gradient(720px 480px at 12% 100%, rgba(0, 212, 255, 0.05), rgba(0, 212, 255, 0) 60%),
    linear-gradient(180deg, var(--bg) 0%, #0a0a16 55%, var(--bg-2) 100%);
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
}

.hero-inner {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(40px, 5vw, 90px);
  padding-top: var(--header-height);
  padding-bottom: 48px;
}

.hero-copy {
  flex: 0 1 640px;
  min-width: 0;
  padding-bottom: 8px;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--accent);
}

.hero h1,
.section-heading h2,
.technology-copy h2,
.faq-heading h2,
.download-layout h2 {
  margin: 0;
  letter-spacing: -0.02em;
}

.hero h1 {
  max-width: 660px;
  font-size: 54px;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.hero-lead {
  max-width: 590px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18.5px;
  line-height: 1.7;
}

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  margin-top: 36px;
}

.button-store {
  min-width: 290px;
  min-height: 54px;
  font-size: 16.5px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #ccd4d8;
  font-size: 14.5px;
  font-weight: 600;
  transition: color 150ms ease;
}

.text-link svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.85;
}

.text-link span {
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  padding-bottom: 2px;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--white);
}


.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 36px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.stat-label {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.stat-div {
  width: 1px;
  height: 36px;
  background: var(--line-strong);
}

.hero-next {
  position: absolute;
  z-index: 5;
  right: 28px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  transition: color 150ms ease;
}

.hero-next:hover,
.hero-next:focus-visible {
  color: #c8d1d5;
}

/* ------------------------------------------------------------ app window */

.hero-visual {
  position: relative;
  flex: 0 0 auto;
}

.hero-visual::before {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 0;
  width: 40em;
  height: 40em;
  content: "";
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 99, 255, 0.18) 0%, rgba(108, 99, 255, 0) 58%);
  filter: blur(48px);
}

.app-window {
  position: relative;
  z-index: 1;
  width: 25em;
  font-family: "Segoe UI", system-ui, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.4;
  border: 1px solid #30363d;
  border-radius: 1em;
  background:
    radial-gradient(circle 15em at 50% 0%, rgba(88, 166, 255, 0.06), rgba(88, 166, 255, 0) 100%),
    linear-gradient(180deg, #10151c 0%, #0d1117 100%);
  box-shadow:
    0 40px 90px rgba(2, 6, 10, 0.66),
    0 12px 30px rgba(2, 6, 10, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.app-titlebar {
  display: flex;
  align-items: center;
  gap: 0.7em;
  padding: 0.85em 1.1em;
}

.app-titlebar img {
  width: 1.5em;
  height: 1.5em;
  border-radius: 50%;
}

.app-title {
  color: var(--white);
  font-size: 0.95em;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.app-titlebar-controls {
  display: flex;
  align-items: center;
  gap: 1.2em;
  margin-left: auto;
  color: #93a2ab;
}

.app-titlebar-controls svg {
  width: 0.8em;
  height: 0.8em;
  stroke: currentColor;
  stroke-width: 1.4;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app-body {
  position: relative;
  padding: 0.5em 1.35em 1.35em;
}

.app-activity {
  position: absolute;
  top: 1.7em;
  right: 1.6em;
  width: 1.15em;
  height: 1.15em;
  stroke: #8fa0a8;
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app-gauge {
  position: relative;
  width: 9.8em;
  height: 9.8em;
  margin: 1.9em auto 2em;
}

.app-gauge svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  transform: rotate(-90deg);
}

.app-gauge svg.boost {
  transform: scaleX(-1) rotate(-90deg);
}

.app-gauge .track {
  fill: none;
  stroke: #30363d;
  stroke-width: 13;
}

.app-gauge .arc,
.app-gauge .arc-glow {
  fill: none;
  stroke: #79c0ff;
  stroke-linecap: round;
  stroke-dasharray: 118 553;
  transition: opacity 260ms ease;
}

.app-gauge .arc {
  stroke-width: 15;
}

.app-gauge .arc-glow {
  stroke-width: 21;
  opacity: 0.6;
}

.app-gauge-reading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15em;
  transform: translateY(-0.55em);
}

.app-gauge-reading strong {
  color: var(--green);
  font-size: 1.5em;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.app-gauge-reading span {
  color: #8b949e;
  font-size: 0.9em;
}

.app-panel {
  padding: 0.9em 1em 1.1em;
  border: 1px solid #30363d;
  border-radius: 0.875em;
  background: #161b22;
}

.app-label {
  display: block;
  margin: 0 0 0.75em;
  color: #7e939b;
  font-size: 0.68em;
  font-weight: 650;
  letter-spacing: 0.22em;
  text-align: center;
  text-transform: uppercase;
}

.app-seg {
  display: grid;
  gap: 0.65em;
  margin-bottom: 1.15em;
}

.app-seg-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.app-seg button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1em;
  padding: 0;
  border: 1px solid #1a3a44;
  border-radius: 0.625em;
  background: #0a1e22;
  color: #3a6a70;
  cursor: pointer;
  font-size: 0.9em;
  font-weight: 600;
  transition: border-color 150ms ease, color 150ms ease, background-color 150ms ease;
}

.app-seg button:hover:not(.is-active) {
  background: #0e2a30;
  border-color: #2a5a64;
  color: #5a9a9a;
}

.app-seg .is-active {
  background: linear-gradient(180deg, #0a2e2e 0%, #0e2329 100%);
  border-width: 2px;
  color: #e0f4f0;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.app-seg .is-active:hover {
  background: #0f3535;
}

.app-seg .is-active.green {
  border-color: #3fb950;
}

.app-seg .is-active.blue {
  border-color: #58a6ff;
}

.app-seg .is-active.cyan {
  border-color: #79c0ff;
}

.app-seg .is-active.red {
  border-color: #f85149;
}

.app-output {
  position: relative;
}

.app-select {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2em;
  padding: 0 2.4em;
  border: 2px solid #58a6ff;
  border-radius: 0.625em;
  background: linear-gradient(180deg, #0a2e2e 0%, #0e2329 100%);
  color: #e0f4f0;
  cursor: pointer;
  font-size: 0.88em;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: background-color 150ms ease;
}

.app-select:hover {
  background: #0f3535;
}

.app-select svg {
  position: absolute;
  right: 1.1em;
  width: 0.85em;
  height: 0.85em;
  stroke: #71a2a6;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app-select:hover svg {
  stroke: #79c0ff;
}

.app-select-menu {
  position: absolute;
  top: calc(100% + 0.4em);
  right: 0;
  left: 0;
  z-index: 6;
  display: none;
  padding: 0.35em;
  border: 1px solid rgba(88, 166, 255, 0.4);
  border-radius: 0.65em;
  background: #0b141d;
  box-shadow: 0 18px 40px rgba(2, 6, 10, 0.6);
}

.app-select-menu.open {
  display: grid;
  gap: 0.2em;
}

.app-select-menu button {
  padding: 0.72em 0.9em;
  border: 0;
  border-radius: 0.45em;
  background: transparent;
  color: #93a5bd;
  cursor: pointer;
  font-size: 0.86em;
  font-weight: 600;
  text-align: left;
  transition: background-color 130ms ease, color 130ms ease;
}

.app-select-menu button:hover {
  background: rgba(88, 166, 255, 0.14);
  color: var(--white);
}

.app-select-menu button[aria-selected="true"] {
  color: var(--white);
}

.app-active {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7em;
  min-height: 3.4em;
  margin-top: 1.2em;
  padding: 0;
  border: 1.5px solid #58a6ff;
  border-radius: 0.75em;
  background: linear-gradient(90deg, #072520 0%, #0a3530 50%, #072520 100%);
  color: #58a6ff;
  cursor: pointer;
  font-size: 0.95em;
  font-weight: 750;
  letter-spacing: 0.32em;
  text-indent: 0.32em;
  text-transform: uppercase;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.app-active:hover {
  background: #0f4540;
}

.app-active i {
  width: 0.5em;
  height: 0.5em;
  flex: 0 0 0.5em;
  border-radius: 50%;
  background: #58a6ff;
  box-shadow: 0 0 10px rgba(88, 166, 255, 0.9);
  animation: ab-pulse 2.4s ease-in-out infinite;
}

.app-active.bypassed {
  border-color: #8b949e;
  background: #161b22;
  color: #8b949e;
}

.app-active.bypassed:hover {
  background: #1b212a;
}

.app-active.bypassed i {
  border: 1.5px solid #8b949e;
  background: transparent;
  box-shadow: none;
  animation: none;
}

@keyframes ab-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
}

/* ------------------------------------------------------------- sections */

.outcome-band,
.compatibility-section,
.faq-section {
  color: var(--text);
  background: var(--bg);
}

.ai-section,
.workflow-section,
.compatibility-section,
.technology-section,
.faq-section {
  border-top: 1px solid var(--line);
}

.ai-section {
  padding: 104px 0 112px;
  scroll-margin-top: var(--header-height);
  background:
    radial-gradient(760px 420px at 10% 0%, rgba(0, 212, 255, 0.06), rgba(0, 212, 255, 0) 60%),
    var(--bg);
}

.content-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
}

.content-chips span {
  padding: 5px 12px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 999px;
  color: #7bd9f7;
  font-family: "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.outcome-band,
.workflow-section,
.compatibility-section,
.technology-section,
.faq-section,
.download-section {
  scroll-margin-top: var(--header-height);
}

.outcome-band {
  padding: 104px 0 112px;
}

.section-heading {
  display: grid;
  grid-template-columns: 64px minmax(0, 760px);
  gap: 22px;
  align-items: start;
}

.section-number {
  margin: 0;
  padding-top: 6px;
  color: var(--faint);
  font-family: "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
}

.section-heading h2,
.technology-copy h2,
.faq-heading h2,
.download-layout h2 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.15;
}

.section-intro {
  max-width: 670px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}

/* benefits cards */

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 60px;
}

.outcome-grid article {
  padding: 30px 30px 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
  box-shadow: 0 4px 40px rgba(108, 99, 255, 0.1);
  transition: transform 170ms ease, border-color 170ms ease, box-shadow 170ms ease;
}

.outcome-grid article:hover {
  transform: translateY(-3px);
  border-color: rgba(108, 99, 255, 0.35);
  box-shadow: 0 8px 60px rgba(108, 99, 255, 0.2);
}

.outcome-icon {
  width: 30px;
  height: 30px;
  stroke: var(--accent);
  stroke-width: 1.7;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.outcome-grid h3 {
  margin: 22px 0 10px;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.outcome-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 15.5px;
}

/* workflow */

.workflow-section {
  padding: 116px 0 124px;
  background:
    radial-gradient(760px 420px at 88% 12%, rgba(108, 99, 255, 0.1), rgba(108, 99, 255, 0) 60%),
    var(--bg-2);
}

.workflow-list {
  position: relative;
  max-width: 860px;
  margin: 70px 0 0 86px;
  padding: 0;
  list-style: none;
}

.workflow-list::before {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 19px;
  width: 1px;
  content: "";
  background: linear-gradient(180deg, rgba(108, 99, 255, 0.55), rgba(255, 255, 255, 0.08));
}

.workflow-list li {
  position: relative;
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 22px;
  padding: 26px 0;
}

.step-number {
  position: relative;
  z-index: 1;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(108, 99, 255, 0.55);
  border-radius: 50%;
  background: var(--bg-2);
  color: #9d96ff;
  font-family: "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 14px;
}

.workflow-list h3 {
  margin: 6px 0 8px;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.workflow-list p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
}

/* compatibility */

.compatibility-section {
  padding: 108px 0 116px;
}

.device-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 58px;
}

.device-list > div {
  padding: 28px 26px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
  box-shadow: 0 4px 40px rgba(108, 99, 255, 0.1);
  transition: transform 170ms ease, border-color 170ms ease, box-shadow 170ms ease;
}

.device-list > div:hover {
  transform: translateY(-3px);
  border-color: rgba(108, 99, 255, 0.35);
  box-shadow: 0 8px 60px rgba(108, 99, 255, 0.2);
}

.device-icon {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  stroke-width: 1.7;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.device-list h3 {
  margin: 20px 0 0;
  font-size: 17.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.compatibility-note {
  max-width: 780px;
  margin: 26px 0 0;
  color: var(--faint);
  font-size: 14px;
}

/* technology */

.technology-section {
  padding: 116px 0 124px;
  background: var(--bg-3);
}

.technology-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  gap: 90px;
  align-items: start;
}

.technology-copy > p:last-child {
  max-width: 540px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.technology-facts {
  margin: 0;
  padding: 10px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.02);
}

.technology-facts > div {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line);
}

.technology-facts > div:last-child {
  border-bottom: 0;
}

.technology-facts dt {
  color: var(--muted);
  font-size: 13.5px;
}

.technology-facts dd {
  margin: 0;
  color: var(--white);
  font-weight: 620;
}

/* faq */

.faq-section {
  padding: 112px 0 124px;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 90px;
}

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

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

.faq-list summary {
  position: relative;
  padding: 23px 44px 23px 0;
  cursor: pointer;
  color: var(--text);
  font-size: 17.5px;
  font-weight: 650;
  list-style: none;
  transition: color 150ms ease;
}

.faq-list summary:hover {
  color: var(--accent-2);
}

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

.faq-list summary::after {
  position: absolute;
  top: 21px;
  right: 4px;
  content: "+";
  color: var(--faint);
  font-family: "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 22px;
  font-weight: 400;
}

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

.faq-list details p {
  margin: -2px 54px 24px 0;
  color: var(--muted);
}

/* download */

.download-section {
  position: relative;
  padding: 116px 0 124px;
  overflow: hidden;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(800px 460px at 50% -10%, rgba(108, 99, 255, 0.16), rgba(108, 99, 255, 0) 62%),
    var(--bg);
}

.download-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 760px;
  text-align: center;
}

.download-layout h2 {
  max-width: 640px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.download-layout > div:first-child > p:last-child {
  max-width: 560px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.download-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-top: 38px;
}

.download-actions .button-secondary {
  min-height: 46px;
  font-size: 14.5px;
}

.download-actions small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
}

/* footer */

.site-footer {
  padding: 58px 0 44px;
  border-top: 1px solid var(--line);
  background: #050509;
}

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

.footer-layout > div > p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-socials a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  transition: color 150ms ease, border-color 150ms ease, background-color 150ms ease,
    transform 150ms ease;
}

.footer-socials a:hover,
.footer-socials a:focus-visible {
  border-color: rgba(108, 99, 255, 0.55);
  background: rgba(108, 99, 255, 0.12);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-socials svg {
  display: block;
}

.footer-layout nav {
  display: flex;
  gap: 24px;
}

.footer-layout > p {
  grid-column: 1 / -1;
  margin: 18px 0 0;
  padding-top: 22px;
  border-top: 1px solid #1b1b30;
  color: #7070a0;
  font-size: 12px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ------------------------------------------------------------ breakpoints */

@media (min-width: 901px) and (max-height: 800px) {
  .app-window {
    font-size: 13.5px;
  }
}

@media (max-width: 1080px) {
  .desktop-nav {
    gap: 18px;
  }

  .desktop-nav a {
    font-size: 13px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .app-window {
    font-size: 14px;
  }

  .technology-layout,
  .faq-layout {
    gap: 56px;
  }

  .technology-layout {
    grid-template-columns: minmax(0, 1fr) minmax(400px, 1fr);
  }

  .outcome-grid {
    gap: 16px;
  }

  .outcome-grid article {
    padding: 26px 24px 30px;
  }
}

@media (max-width: 900px) {
  .desktop-nav,
  .nav-actions > .button {
    display: none;
  }

  /* Backdrop-Blur ruckelt auf Handy-GPUs beim Scrollen — fast deckender
     Hintergrund sieht praktisch gleich aus und ist gratis. */
  .site-header.scrolled,
  body.menu-open .site-header {
    background: rgba(7, 7, 15, 0.97);
    backdrop-filter: none;
  }

  /* Mobil-Leichtmodus: alles, was der Grafik-Compositor schwacher Handys
     teuer rastern muss, fliegt raus — SVG-Gauss-Glow, Blur-Kreis,
     Raster-Overlay und grosse weiche Schatten. Optisch minimaler Verlust,
     verhindert die Schwarzbild-Aussetzer beim Scrollen. */
  .app-gauge .arc-glow {
    display: none;
  }

  .hero-visual::before,
  .hero::after {
    display: none;
  }

  .outcome-grid article,
  .device-list > div {
    box-shadow: none;
  }

  .app-window {
    box-shadow: 0 16px 36px rgba(2, 6, 10, 0.5);
  }

  .button-primary {
    box-shadow: 0 6px 18px rgba(108, 99, 255, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.22);
  }


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

  .menu-button {
    display: block;
  }

  .mobile-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    max-height: calc(100svh - var(--header-height));
    display: grid;
    gap: 0;
    padding: 18px 24px 28px;
    border-bottom: 1px solid var(--line);
    background: #0d0d1a;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 160ms ease, transform 160ms ease, visibility 0s 160ms;
  }

  .mobile-nav.open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .mobile-nav a {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    color: #d7dddf;
    font-weight: 650;
  }

  .hero-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 52px;
    padding-top: calc(var(--header-height) + 44px);
  }

  .hero-copy {
    flex: 0 0 auto;
    width: 100%;
    max-width: 650px;
  }

  .hero-visual {
    margin-inline: auto;
  }

  .app-window {
    font-size: 14.5px;
  }

  .hero h1 {
    font-size: 44px;
  }

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

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

  .workflow-list {
    margin-left: 0;
  }

  .technology-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .technology-layout,
  .faq-layout {
    gap: 54px;
  }
}

@media (max-width: 680px) {
  .section-shell,
  .nav-shell,
  .hero-inner {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .site-header,
  :root {
    --header-height: 62px;
  }

  .brand {
    font-size: 16px;
  }

  .brand img {
    width: 30px;
    height: 30px;
  }

  .hero {
    min-height: clamp(680px, 100svh, 900px);
  }

  .hero-inner {
    padding-top: 96px;
    gap: 44px;
  }

  .hero h1 {
    font-size: 37px;
    line-height: 1.1;
  }

  .hero-lead {
    max-width: 520px;
    margin-top: 18px;
    font-size: 16.5px;
    line-height: 1.55;
  }

  .hero-actions {
    align-items: stretch;
    align-self: stretch;
    gap: 16px;
    margin-top: 28px;
  }

  .button-store {
    width: 100%;
    min-width: 0;
  }

  .text-link {
    align-self: center;
  }

  .hero-lead-more {
    display: none;
  }

  .hero-stats {
    gap: 1rem;
    margin-top: 30px;
  }

  .app-window {
    font-size: 12.5px;
  }

  .hero-visual::before {
    width: 34em;
    height: 34em;
    filter: blur(28px);
  }

  .hero-next {
    right: 16px;
    bottom: 14px;
  }

  .hero-next span:first-child {
    display: none;
  }

  .outcome-band,
  .workflow-section,
  .compatibility-section,
  .technology-section,
  .faq-section {
    padding: 80px 0 86px;
  }

  .section-heading {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
  }

  .section-heading h2,
  .technology-copy h2,
  .faq-heading h2,
  .download-layout h2 {
    font-size: 31px;
  }

  .outcome-grid {
    gap: 14px;
    margin-top: 42px;
  }

  .workflow-list {
    margin-top: 46px;
  }

  .workflow-list li {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 14px;
  }

  .workflow-list::before {
    left: 19px;
  }

  .workflow-list h3 {
    font-size: 18.5px;
  }

  .device-list {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 42px;
  }

  .technology-layout,
  .faq-layout {
    gap: 42px;
  }

  .technology-facts {
    padding: 4px 20px;
  }

  .technology-facts > div {
    grid-template-columns: 1fr;
    gap: 5px;
    padding: 16px 0;
  }

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

  .faq-list details p {
    margin-right: 20px;
  }

  .download-section {
    padding: 82px 0 90px;
  }

  .download-actions {
    align-self: stretch;
  }

  .download-actions .button {
    width: 100%;
  }

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

  .footer-layout nav {
    flex-wrap: wrap;
    gap: 14px 22px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}