:root {
  color-scheme: dark;
  --background: #080a0f;
  --surface: #0d1119;
  --text: #f3f6fc;
  --muted: #939cad;
  --blue: #6a8cff;
  --blue-bright: #91a9ff;
  --line: rgba(164, 183, 222, 0.12);
  --content-width: 1160px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: radial-gradient(ellipse at 50% -24%, rgba(45, 74, 146, .12), transparent 48%), var(--background);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(106, 140, 255, .34); color: #fff; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--blue-bright); outline-offset: 4px; }

.ambient {
  position: fixed;
  z-index: -1;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(100px);
}
.ambient--top { top: 115px; right: -150px; width: 370px; height: 370px; background: rgba(46, 76, 158, .1); }
.ambient--side { top: 1250px; left: -220px; width: 420px; height: 420px; background: rgba(42, 72, 150, .08); }

.section-shell, .site-header { width: min(var(--content-width), calc(100% - 64px)); margin-inline: auto; }
.site-header {
  position: relative;
  z-index: 5;
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: #edf2ff; font-size: 14px; font-weight: 700; letter-spacing: .19em; }
.brand-mark { display: grid; width: 32px; height: 32px; place-items: center; color: var(--blue-bright); }
.brand-mark svg { width: 100%; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.35; }
.navigation { display: flex; align-items: center; gap: 38px; }
.navigation a, .text-link { color: #aab2c1; font-size: 13px; transition: color 180ms ease; }
.navigation a:hover, .text-link:hover { color: var(--text); }
.header-download, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  border: 1px solid rgba(143, 168, 255, .25);
  border-radius: 9px;
  color: #f7f9ff;
  font-size: 13px;
  font-weight: 600;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}
.header-download { min-height: 40px; padding: 0 15px; background: rgba(106, 140, 255, .1); }
.header-download:hover { transform: translateY(-1px); border-color: rgba(143, 168, 255, .58); background: rgba(106, 140, 255, .17); }
.header-download svg, .button svg, .text-link svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }
.menu-toggle { display: none; }

.hero { position: relative; display: grid; min-height: 650px; grid-template-columns: 1fr .95fr; align-items: center; gap: 32px; padding-block: 70px 58px; }
.hero-copy { position: relative; z-index: 1; padding-block: 24px; }
.availability { display: inline-flex; min-height: 32px; align-items: center; gap: 9px; padding: 0 11px; border: 1px solid rgba(159, 179, 223, .14); border-radius: 999px; background: rgba(16, 22, 33, .82); color: #b2bdcf; font-size: 11px; }
.availability-dot, .listening-indicator i { border-radius: 50%; background: #74a5ff; box-shadow: 0 0 12px rgba(106, 154, 255, .7); }
.availability-dot { width: 6px; height: 6px; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin: 27px 0 15px; font-size: clamp(56px, 7vw, 82px); font-weight: 600; letter-spacing: -.075em; line-height: .99; }
.hero h1 span, .section-heading h2 span, .download-content h2 span { color: var(--blue-bright); }
.hero-subtitle { margin-bottom: 10px; color: #d8deea; font-size: clamp(17px, 2vw, 20px); font-weight: 500; letter-spacing: -.025em; }
.hero-description { max-width: 465px; margin-bottom: 25px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 25px; }
.button { min-height: 50px; padding: 0 19px; }
.button-primary { border-color: rgba(133, 160, 255, .76); background: linear-gradient(135deg, #718fff, #5275e8); box-shadow: 0 8px 28px rgba(70, 103, 219, .23), inset 0 1px rgba(255, 255, 255, .23); }
.button-primary:hover { transform: translateY(-2px); border-color: #b5c4ff; background: linear-gradient(135deg, #849eff, #6284f5); box-shadow: 0 12px 34px rgba(70, 103, 219, .35), inset 0 1px rgba(255, 255, 255, .3); }
.text-link { display: inline-flex; align-items: center; gap: 8px; }
.text-link svg { width: 15px; transition: transform 180ms ease; }
.text-link:hover svg { transform: translateX(3px); }
.hero-note { display: flex; align-items: center; gap: 9px; margin-top: 22px; color: #828c9c; font-size: 11px; }
.windows-icon { display: inline-flex; width: 14px; height: 14px; color: #aabaff; }
.windows-icon svg { width: 100%; }
.note-divider { color: #465064; }

.hero-visual { position: relative; display: grid; min-height: 480px; overflow: hidden; place-items: center; isolation: isolate; }
.visual-grid { position: absolute; z-index: -2; inset: 10% 2%; opacity: .5; background-image: linear-gradient(rgba(109, 133, 184, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(109, 133, 184, .055) 1px, transparent 1px); background-size: 38px 38px; mask-image: radial-gradient(ellipse at center, black 5%, transparent 72%); }
.orbit { position: absolute; border: 1px solid rgba(140, 165, 231, .11); border-radius: 50%; }
.orbit--outer { width: min(440px, 92%); aspect-ratio: 1; }
.orbit--inner { width: min(345px, 72%); aspect-ratio: 1; border-color: rgba(140, 165, 231, .16); }
.core-glow { position: absolute; width: 265px; height: 265px; border-radius: 50%; background: rgba(67, 104, 219, .21); filter: blur(76px); animation: glow 5s ease-in-out infinite alternate; }
.core { position: relative; display: grid; width: 224px; aspect-ratio: 1; place-items: center; border: 1px solid rgba(155, 178, 247, .25); border-radius: 50%; background: radial-gradient(circle at 50% 48%, rgba(78, 109, 198, .2), transparent 62%), rgba(9, 14, 25, .62); box-shadow: 0 0 68px rgba(78, 112, 220, .19), inset 0 0 44px rgba(78, 112, 220, .08); animation: float 6s ease-in-out infinite; }
.core-ring { position: absolute; border: 1px solid rgba(149, 174, 250, .23); border-radius: 50%; }
.core-ring--one { inset: 15px; }
.core-ring--two { inset: 31px; border-color: rgba(149, 174, 250, .18); }
.core-ring--three { inset: 48px; border-color: rgba(149, 174, 250, .13); }
.core-center { display: grid; width: 70px; height: 70px; place-items: center; color: #bdccff; filter: drop-shadow(0 0 15px rgba(125, 158, 255, .75)); }
.core-center svg { width: 54px; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.2; }
.orbit-point { position: absolute; z-index: 1; width: 7px; height: 7px; border-radius: 50%; background: #a8bcff; box-shadow: 0 0 14px 3px rgba(118, 150, 255, .7); }
.orbit-point--one { top: 23%; right: 23%; }
.orbit-point--two { bottom: 25%; left: 19%; width: 5px; height: 5px; }
.orbit-point--three { right: 20%; bottom: 32%; width: 4px; height: 4px; opacity: .75; }
.visual-caption, .visual-chip { position: absolute; display: flex; align-items: center; border: 1px solid rgba(158, 178, 227, .15); background: rgba(12, 17, 27, .86); box-shadow: 0 12px 38px rgba(0, 0, 0, .26); backdrop-filter: blur(16px); }
.visual-caption { right: 4%; bottom: 8%; left: 4%; min-height: 48px; gap: 10px; padding: 0 15px; border-radius: 10px; color: #dce3f2; font-size: 11px; }
.listening-indicator { display: flex; gap: 4px; }
.listening-indicator i { width: 5px; height: 5px; animation: pulse 1.6s ease-in-out infinite; }
.listening-indicator i:nth-child(2) { animation-delay: 180ms; }
.listening-indicator i:nth-child(3) { animation-delay: 360ms; }
.caption-line { height: 1px; flex: 1; background: var(--line); }
.caption-status { color: #8e9bb1; font-size: 9px; letter-spacing: .12em; }
.visual-chip { z-index: 2; min-height: 39px; gap: 9px; padding: 0 11px; border-radius: 8px; color: #c8d1e1; font-size: 10px; }
.visual-chip--top { top: 9%; left: 1%; }
.visual-chip--bottom { right: 0; bottom: 22%; }
.chip-icon { color: var(--blue-bright); font-size: 15px; }
.chip-live { color: #82b9ff; font-size: 8px; letter-spacing: .1em; }
.sound-bars { display: flex; height: 13px; align-items: center; gap: 2px; }
.sound-bars i { width: 2px; height: 45%; border-radius: 2px; background: #91a9ff; animation: sound 900ms ease-in-out infinite alternate; }
.sound-bars i:nth-child(2), .sound-bars i:nth-child(4) { height: 82%; animation-delay: 180ms; }
.sound-bars i:nth-child(3) { height: 100%; animation-delay: 320ms; }
.sound-bars i:nth-child(5) { animation-delay: 440ms; }

.trust-row { display: flex; min-height: 76px; align-items: center; justify-content: center; gap: clamp(16px, 4vw, 48px); border-block: 1px solid var(--line); color: #778296; font-size: 9px; font-weight: 600; letter-spacing: .14em; text-align: center; }
.trust-row i { width: 3px; height: 3px; flex: 0 0 auto; border-radius: 50%; background: #6e88d2; box-shadow: 0 0 9px rgba(106, 140, 255, .7); }
.features-section { padding-block: 126px 132px; }
.section-heading { max-width: 600px; }
.eyebrow, .card-index { color: #8da4e7; font-size: 9px; font-weight: 600; letter-spacing: .17em; }
.section-heading h2, .download-content h2 { margin: 17px 0 12px; font-size: clamp(38px, 5vw, 54px); font-weight: 550; letter-spacing: -.065em; line-height: 1.08; }
.section-heading > p, .download-content > p { margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 43px; }
.feature-card { position: relative; min-height: 245px; overflow: hidden; padding: 23px 20px; border: 1px solid var(--line); border-radius: 13px; background: linear-gradient(150deg, rgba(20, 27, 39, .9), rgba(12, 16, 24, .78)); transition: transform 220ms ease, border-color 220ms ease, background 220ms ease; }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(127, 154, 237, .35); background: linear-gradient(150deg, rgba(24, 33, 50, .95), rgba(13, 18, 28, .9)); }
.feature-icon { display: grid; width: 39px; height: 39px; margin-bottom: 26px; place-items: center; border: 1px solid rgba(127, 154, 237, .18); border-radius: 10px; background: rgba(91, 122, 214, .1); color: #9db3ff; }
.feature-icon svg, .step-icon svg { width: 21px; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }
.card-index { font-size: 8px; letter-spacing: .13em; }
.feature-card h3, .step h3 { position: relative; z-index: 1; margin: 9px 0 8px; font-size: 14px; font-weight: 550; letter-spacing: -.025em; }
.feature-card p, .step p { position: relative; z-index: 1; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.card-glow { position: absolute; right: -55px; bottom: -105px; width: 140px; height: 140px; border-radius: 50%; background: rgba(75, 105, 204, .12); filter: blur(45px); transition: background 220ms ease; }
.feature-card:hover .card-glow { background: rgba(92, 127, 246, .23); }

.how-section { border-block: 1px solid var(--line); background: radial-gradient(ellipse at 50% 100%, rgba(36, 60, 119, .12), transparent 56%), rgba(11, 14, 21, .56); }
.how-inner { padding-block: 112px 116px; }
.steps { display: grid; grid-template-columns: 1fr .25fr 1fr .25fr 1fr; align-items: start; gap: 17px; margin-top: 52px; }
.step { position: relative; min-height: 186px; padding: 21px 20px; border: 1px solid rgba(164, 183, 222, .1); border-radius: 12px; background: rgba(13, 18, 27, .72); }
.step-number { position: absolute; top: 18px; right: 19px; color: #5d6880; font-family: "SFMono-Regular", Consolas, monospace; font-size: 10px; letter-spacing: .1em; }
.step-icon { display: grid; width: 42px; height: 42px; margin-bottom: 22px; place-items: center; border: 1px solid rgba(127, 154, 237, .17); border-radius: 11px; background: rgba(91, 122, 214, .1); color: #a2b5ff; }
.step-connector { width: 100%; height: 1px; margin-top: 42px; background: linear-gradient(90deg, rgba(116, 146, 232, .45), rgba(116, 146, 232, .05)); }
.download-section { padding-block: 118px; }
.download-card { position: relative; min-height: 370px; overflow: hidden; padding: 59px 66px; border: 1px solid rgba(134, 159, 237, .2); border-radius: 18px; background: radial-gradient(ellipse at 87% 48%, rgba(68, 98, 191, .19), transparent 32%), linear-gradient(125deg, #111722, #0b0f18 68%); }
.download-content { position: relative; z-index: 2; max-width: 510px; }
.download-content h2 { margin-top: 17px; }
.download-content > p { max-width: 410px; margin-bottom: 23px; }
.download-content .button { min-height: 48px; }
.download-meta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 14px; color: #98a3b5; font-size: 10px; }
.download-meta span + span::before { margin-right: 16px; color: #566279; content: "·"; }
.safety-note { margin: 17px 0 0; color: #687488; font-size: 10px; }
.safety-note i { margin-inline: 5px; color: #6f87cb; font-style: normal; }
.download-orb { position: absolute; top: 50%; right: 7%; width: 270px; aspect-ratio: 1; transform: translateY(-50%); border: 1px solid rgba(152, 175, 244, .16); border-radius: 50%; background: radial-gradient(circle at 50% 50%, rgba(78, 111, 216, .22), rgba(34, 53, 105, .08) 48%, transparent 69%); box-shadow: 0 0 80px rgba(68, 100, 196, .15), inset 0 0 60px rgba(78, 111, 216, .12); }
.download-mark { position: absolute; top: 50%; right: calc(7% + 45px); width: 180px; transform: translateY(-50%); color: rgba(167, 187, 255, .55); filter: drop-shadow(0 0 22px rgba(105, 140, 255, .25)); }
.download-mark svg { width: 100%; stroke: currentColor; stroke-width: 1.15; }
.site-footer { display: flex; min-height: 91px; align-items: center; justify-content: space-between; gap: 18px; border-top: 1px solid var(--line); }
.brand--footer { font-size: 12px; }
.brand--footer .brand-mark { width: 27px; height: 27px; }
.site-footer > p { margin: 0; color: #7f8a9d; font-size: 11px; }
.copyright { color: #687386; font-size: 10px; text-align: right; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 650ms ease, transform 650ms cubic-bezier(.2, .7, .2, 1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes glow { from { opacity: .65; transform: scale(.93); } to { opacity: 1; transform: scale(1.08); } }
@keyframes pulse { 0%, 100% { opacity: .45; transform: scale(.85); } 50% { opacity: 1; transform: scale(1.15); } }
@keyframes sound { from { transform: scaleY(.45); } to { transform: scaleY(1); } }

@media (max-width: 920px) {
  .section-shell, .site-header { width: min(var(--content-width), calc(100% - 44px)); }
  .hero { min-height: 570px; grid-template-columns: 1fr .82fr; gap: 8px; }
  .hero-visual { min-height: 390px; }
  .core { width: 190px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card { min-height: 218px; }
  .download-card { padding-inline: 42px; }
  .download-orb { right: -7%; width: 245px; }
  .download-mark { right: 1%; width: 160px; }
}

@media (max-width: 680px) {
  html { scroll-padding-top: 72px; }
  .section-shell, .site-header { width: calc(100% - 36px); }
  .site-header { min-height: 68px; }
  .brand { gap: 7px; font-size: 12px; }
  .brand-mark { width: 28px; height: 28px; }
  .header-download { min-height: 36px; margin-left: auto; padding-inline: 11px; font-size: 11px; }
  .menu-toggle { display: flex; width: 34px; height: 36px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; margin-left: auto; border: 0; background: transparent; cursor: pointer; }
  .menu-toggle span { width: 17px; height: 1px; background: #cbd3e2; transition: transform 180ms ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .navigation { position: absolute; top: calc(100% + 8px); right: 0; left: 0; display: none; align-items: stretch; gap: 0; padding: 8px; border: 1px solid var(--line); border-radius: 12px; background: rgba(13, 17, 26, .97); box-shadow: 0 16px 42px rgba(0, 0, 0, .4); backdrop-filter: blur(18px); }
  .navigation.is-open { display: flex; flex-direction: column; }
  .navigation a { padding: 13px 12px; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 0; padding-block: 66px 32px; }
  .hero-copy { padding-block: 0; }
  .hero h1 { margin-top: 23px; font-size: clamp(58px, 15vw, 76px); }
  .hero-description { max-width: 500px; font-size: 13px; }
  .hero-actions { flex-wrap: wrap; gap: 16px; }
  .hero-note { flex-wrap: wrap; row-gap: 7px; font-size: 10px; }
  .hero-visual { min-height: 360px; margin-top: 15px; }
  .orbit--outer { width: min(350px, 94%); }
  .orbit--inner { width: min(275px, 74%); }
  .core { width: 178px; }
  .visual-chip--top { left: 0; }
  .visual-chip--bottom { right: 0; bottom: 23%; }
  .visual-caption { right: 0; bottom: 5%; left: 0; }
  .trust-row { min-height: 82px; flex-wrap: wrap; gap: 8px 13px; padding-block: 16px; font-size: 8px; line-height: 1.5; }
  .trust-row span { max-width: 38%; }
  .features-section { padding-block: 83px 88px; }
  .section-heading h2, .download-content h2 { font-size: 42px; }
  .section-heading > p { max-width: 440px; font-size: 12px; }
  .feature-grid { gap: 10px; margin-top: 30px; }
  .feature-card { min-height: 225px; padding: 17px 15px; }
  .feature-icon { width: 35px; height: 35px; margin-bottom: 20px; }
  .feature-card h3 { font-size: 13px; }
  .feature-card p { font-size: 10px; }
  .how-inner { padding-block: 82px 86px; }
  .steps { grid-template-columns: 1fr; gap: 10px; margin-top: 31px; }
  .step { min-height: 145px; padding: 18px; }
  .step-icon { margin-bottom: 15px; }
  .step-connector { width: 1px; height: 17px; margin: -10px 0 -10px 39px; background: linear-gradient(180deg, rgba(116, 146, 232, .42), rgba(116, 146, 232, .05)); }
  .download-section { padding-block: 76px; }
  .download-card { min-height: 385px; padding: 39px 25px; }
  .download-content { max-width: 100%; }
  .download-content h2 { font-size: 40px; }
  .download-content > p { max-width: 360px; font-size: 12px; }
  .download-content .button { min-height: 47px; padding-inline: 13px; font-size: 11px; }
  .download-orb { top: auto; right: -65px; bottom: -116px; width: 220px; transform: none; }
  .download-mark { top: auto; right: -20px; bottom: -41px; width: 140px; transform: none; }
  .site-footer { min-height: 110px; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; padding-block: 20px; }
  .site-footer > p { order: 3; width: 100%; font-size: 10px; }
  .copyright { font-size: 9px; }
}

@media (max-width: 390px) {
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .feature-card { min-height: 240px; padding-inline: 12px; }
  .feature-card p { font-size: 9px; }
  .download-meta { gap: 9px; }
  .download-meta span + span::before { margin-right: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}