@font-face { font-family: "Space Grotesk"; src: url("assets/fonts/SpaceGrotesk.ttf") format("truetype"); font-weight: 300 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("assets/fonts/Manrope.ttf") format("truetype"); font-weight: 200 800; font-style: normal; font-display: swap; }
:root { --bg: #0A0D10; --surface: #10151B; --text: #E8ECF0; --muted: #C9D1D5; --caption: #A9B3BD; --cyan: #4FE3D9; --mint: #6EF2A8; --lav: #B49CFF; --line: #38434a; --display: "Space Grotesk", "Avenir Next", sans-serif; --body: "Manrope", "Avenir Next", sans-serif; --mono: "SFMono-Regular", Consolas, monospace; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; color-scheme: dark; }
body { margin: 0; background: radial-gradient(ellipse at 85% 5%, #4fe3d910, transparent 26%), var(--bg); color: var(--text); font-family: var(--body); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
::selection { background: var(--cyan); color: var(--bg); }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--cyan); }
button, input, textarea { font: inherit; }
button, a, input, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 6px; border-radius: 3px; }
button:not(:disabled), summary { cursor: pointer; }
button:disabled { cursor: not-allowed; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; }
h1 { font-size: clamp(42px, 5vw, 70px); letter-spacing: -.045em; line-height: 1.06; }
h2 { font-size: clamp(34px, 3.8vw, 52px); letter-spacing: -.04em; line-height: 1.12; text-wrap: balance; }
h3 { font-size: 21px; letter-spacing: -.025em; line-height: 1.3; }
p { color: var(--muted); }
.shell { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.section { padding-block: 72px; }
.section-intro { font-size: 19px; line-height: 1.65; margin-top: 20px; max-width: 750px; }
.section-label { display: flex; align-items: center; gap: 12px; color: var(--section-color, var(--cyan)); font: 700 12px var(--body); letter-spacing: .13em; text-transform: uppercase; margin-bottom: 20px; }
.section-label::before { content: ""; width: 24px; border-top: 2px solid currentColor; flex-shrink: 0; }
.section-accent { color: var(--section-color, var(--cyan)); }
.accent { color: var(--cyan); }
.icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.skip-link { position: absolute; z-index: 10; top: -100px; left: 24px; background: var(--cyan); color: var(--bg); padding: 12px 20px; }
.skip-link:focus { top: 12px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 88px; border-bottom: 1px solid #e8ecf020; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: var(--display); font-size: 28px; font-weight: 600; letter-spacing: -.04em; line-height: 1; white-space: nowrap; }
.brand img { border-radius: 9px; }
nav { display: flex; gap: 28px; align-items: center; }
nav a { color: var(--muted); font-size: 15px; padding-block: 12px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; color: var(--cyan); font-weight: 600; font-size: 14px; padding-block: 8px; }
.hero { padding-block: 72px 52px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 36px; align-items: center; }
.hero h1 { color: var(--cyan); }
.hero h1 span { color: var(--mint); white-space: nowrap; }
#hero-checkout-action .button { padding-inline: 28px; min-height: 56px; font-size: 17px; }
#hero-download-action { align-items: center; }
.hero-description { font-size: 20px; max-width: 48ch; line-height: 1.65; margin-top: 26px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.actions > div { display: flex; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 15px 24px; border: 1px solid transparent; border-radius: 9px; font-size: 16px; font-weight: 700; line-height: 1.45; min-height: 52px; transition: background 180ms, color 180ms, border-color 180ms; }
.primary { background: var(--lav); color: #110c1d; box-shadow: 0 8px 28px #b49cff38; }
.primary:hover { background: #cfbeff; color: #110c1d; }
.secondary { background: var(--cyan); border-color: var(--cyan); color: #071412; box-shadow: 0 6px 20px #4fe3d928; }
.secondary:hover { background: #8af3ec; border-color: #8af3ec; color: #071412; }
.gated:disabled { background: #283138; border-color: #58636b; color: #bac3c9; box-shadow: none; }
.availability { font-size: 13px; margin-top: 16px; max-width: 480px; }
.hero-art { min-width: 0; display: grid; justify-items: center; text-align: center; position: relative; isolation: isolate; }
.hero-art::before { content: ""; position: absolute; inset: 5% -5%; background: radial-gradient(ellipse, #4fe3d926, transparent 70%); z-index: -1; pointer-events: none; }
.menu-bar-context { width: min(350px, 100%); display: flex; justify-content: flex-end; gap: 18px; padding: 9px 15px; margin-bottom: 16px; border-bottom: 1px solid #6c7a8136; background: linear-gradient(180deg, #28303870, transparent); color: var(--caption); font-size: 11px; }
.menu-bar-context span:first-child { margin-right: auto; }
.menu-bar-pulse { font-size: 23px; line-height: 15px; color: var(--text); }
.native-shot { position: relative; overflow: hidden; border: 1px solid #64737c55; border-radius: 24px; background: #111; box-shadow: 0 25px 65px #0006; isolation: isolate; }
.native-shot img { display: block; position: absolute; max-width: none; height: auto; }
.sound-shot { aspect-ratio: 840 / 1056; width: 100%; }
.sound-shot img { width: 107.857%; left: -3.333%; top: -2.462%; }
.hero-art .sound-shot { width: min(300px, 100%); }
figcaption { color: var(--caption); font-size: 12px; line-height: 1.6; margin-top: 16px; }
.feature-rail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding-block: 12px 28px; }
.benefit-card { --benefit: var(--cyan); display: flex; align-items: center; gap: 16px; padding: 20px; border: 1px solid color-mix(in srgb, var(--benefit) 35%, transparent); border-radius: 16px; background: color-mix(in srgb, var(--benefit) 8%, var(--surface)); }
.benefit-pro { --benefit: var(--lav); }
.benefit-battery { --benefit: var(--mint); }
.benefit-card .icon { color: var(--benefit); }
.benefit-card strong { display: block; font-size: 17px; font-weight: 700; line-height: 1.3; }
.benefit-card p { margin-top: 6px; font-size: 13px; line-height: 1.5; }
.pro-features { --section-color: var(--lav); background: radial-gradient(ellipse at 88% 30%, #b49cff12, transparent 62%); }
.pro-feature-layout { display: grid; grid-template-columns: 1.65fr 1fr; align-items: center; gap: 60px; }
.pro-benefits { display: grid; gap: 24px; margin-top: 30px; }
.pro-benefits h3 { color: #d4c7ff; }
.pro-benefits p { margin-top: 8px; font-size: 15px; max-width: 650px; }
.pro-link { margin-top: 26px; }
.pro-reference { max-width: 315px; width: 100%; justify-self: center; text-align: center; }
.pro-shot { aspect-ratio: 850 / 924; border-radius: 20px; }
.pro-shot img { width: 106.59%; left: -3.29%; top: -3.03%; }
#sound { --section-color: var(--cyan); }
.sound-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; margin-top: 36px; }
.sound-preview { max-width: 300px; width: 100%; margin-inline: auto; text-align: center; }
.audio-features { display: grid; gap: 24px; }
.audio-features article { display: flex; align-items: flex-start; gap: 20px; }
.audio-features .icon { width: 42px; height: 42px; padding: 9px; border-radius: 12px; background: #4fe3d91c; }
.audio-features p { font-size: 15px; line-height: 1.65; margin-top: 8px; }
.battery-section { --section-color: var(--mint); background: radial-gradient(ellipse at 15% 5%, #6ef2a81a, transparent 55%), var(--surface); }
.battery-layout { display: grid; grid-template-columns: 1.45fr 1fr; gap: 60px; align-items: center; }
.battery-features { border-top: 1px solid var(--line); margin: 28px 0 0; }
.battery-features div { display: grid; grid-template-columns: 1fr 1.1fr; gap: 20px; padding-top: 20px; }
.battery-features dt { font-weight: 700; font-size: 15px; }
.battery-features dd { margin: 0; color: var(--muted); font-size: 14px; }
.battery-art { max-width: 350px; width: 100%; justify-self: center; text-align: center; }
.battery-shot { width: 100%; aspect-ratio: 846 / 884; border-radius: 18px; }
.battery-shot img { width: 106.62%; left: -3.31%; top: -3.17%; }
.battery-support-note { font-size: 13px; margin-top: 20px; color: var(--caption); }
.battery-why { margin-top: 24px; font-size: 15px; }
.battery-why strong { color: var(--mint); }
.battery-why a { text-decoration: underline; text-underline-offset: 3px; }
.pricing { --section-color: var(--lav); text-align: center; }
.pricing > .section-label { justify-content: center; }
.pricing > .section-intro { margin-inline: auto; }
.plans { max-width: 1050px; margin: 36px auto 26px; display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; text-align: left; }
.plan { padding: 30px; display: flex; flex-direction: column; align-items: stretch; border: 1px solid #e8ecf020; border-radius: 16px; background: linear-gradient(150deg, #4fe3d908, var(--surface)); }
.pro-plan { border-color: #b49cff80; background: linear-gradient(180deg, #b49cff1a, var(--surface)); box-shadow: 0 0 60px #b49cff22; }
.plan h3 { font-size: 28px; }
.price { font-family: var(--display); font-size: 56px; line-height: 1.2; letter-spacing: -.05em; color: var(--text); font-weight: 700; margin-top: 16px; }
.plan-subtitle { font-size: 13px; margin-top: 8px; min-height: 42px; }
.check-list { list-style: none; margin: 18px 0 28px; padding: 22px 0 0; border-top: 1px solid var(--line); }
.check-list li { position: relative; padding-left: 26px; font-size: 14px; margin-bottom: 12px; }
.check-list li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 11px; height: 6px; transform: rotate(-45deg); border-left: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan); }
.pro-plan .check-list li::before { border-color: var(--lav); }
#download-action, #checkout-action { margin-top: auto; }
.plan .button { width: 100%; }
.plan-note { text-align: center; margin-top: 14px; font-size: 12px; }
.pricing-disclosure { max-width: 960px; margin: 0 auto; font-size: 13px; }
.pricing-disclosure a { text-decoration: underline; text-underline-offset: 3px; }
.install { border-top: 1px solid var(--line); }
.install-steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; padding: 0; margin: 36px 0 20px; }
.install-steps li + li { border-left: 1px solid var(--line); padding-left: 30px; }
.step-number { display: flex; align-items: center; gap: 20px; font: 32px var(--display); color: var(--cyan); margin-bottom: 16px; }
.step-number::after { content: ""; flex: 1; border-top: 1px solid var(--line); }
.install-steps p { font-size: 14px; margin-top: 12px; }
.install-steps p a { text-decoration: underline; }
.faq { display: grid; grid-template-columns: .8fr 1.4fr; gap: 64px; border-top: 1px solid var(--line); }
.faq > div > p { margin-top: 20px; font-size: 15px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 24px; font-weight: 600; font-size: 17px; min-height: 57px; padding: 16px 4px; line-height: 1.5; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font: 24px var(--display); color: var(--cyan); flex-shrink: 0; }
details[open] > summary::after { content: "−"; }
.faq-list p { padding: 0 20px 22px 4px; font-size: 14px; }
.faq-list a { text-decoration: underline; }
.help-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; border-block: 1px solid var(--line); padding-block: 34px; }
.help-grid article { display: flex; gap: 20px; scroll-margin-top: 30px; }
.help-grid article + article { border-left: 1px solid var(--line); padding-left: 36px; }
.help-grid .icon { margin-top: 4px; }
.help-grid h3 { font-size: 24px; }
.help-grid p { font-size: 14px; margin-top: 14px; }
.help-grid .text-link { margin-top: 12px; }
.support-links { display: flex; flex-direction: column; align-items: flex-start; }
.platform-note { padding-block: 24px; font-size: 13px; color: var(--caption); }
.site-footer { display: flex; align-items: center; flex-wrap: wrap; justify-content: space-between; padding-block: 28px; gap: 24px; }
.site-footer .brand { font-size: 25px; gap: 0; }
.site-footer p { flex-basis: 100%; font-size: 12px; color: var(--caption); }
.site-footer a[href^="mailto:"] { color: var(--cyan); }
.purchase-shell { max-width: 840px; padding-top: 56px; padding-bottom: 70px; }
.purchase-shell h1 { font-size: clamp(32px, 5vw, 54px); margin-top: 20px; }
.purchase-lede { margin-top: 24px; max-width: 640px; }
.purchase-panel { margin-top: 36px; padding: clamp(20px, 4vw, 36px); border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(145deg, #b49cff10, var(--surface)); }
.purchase-heading { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.purchase-heading h2 { font-size: 26px; }
.purchase-heading strong { font: 30px var(--display); color: var(--lav); }
.purchase-heading span { font-size: 15px; color: var(--muted); }
#purchase-status { color: var(--lav); font-weight: 600; overflow-wrap: anywhere; }
.purchase-note, .purchase-recovery p { font-size: 13px; color: var(--muted); margin-top: 16px; }
.purchase-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-block: 24px; }
.purchase-shell label { display: block; font-size: 13px; margin-block: 18px 8px; }
.purchase-shell input, .purchase-shell textarea { display: block; width: 100%; color: var(--text); background: var(--bg); border: 1px solid var(--line); padding: 12px; border-radius: 6px; font: 12px var(--mono); overflow-wrap: anywhere; resize: vertical; }
#copy-license, #restore-recovery { margin-top: 14px; }
.purchase-recovery { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line); }
.purchase-recovery summary { padding-block: 12px; }
.purchase-policies { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; margin-top: 24px; }
.purchase-policies a { text-decoration: underline; }
.purchase-shell .button:disabled { background: #242c32; color: #a3afb8; border-color: #47535b; box-shadow: none; }
.customer-nav { flex-wrap: wrap; align-items: baseline; gap: 6px 24px; margin-top: 20px; }
.customer-nav a { white-space: nowrap; text-decoration: underline; text-underline-offset: 4px; }
.customer-detail { margin-top: 18px; border: 1px solid var(--line); border-radius: 12px; background: #12181d; }
.customer-detail > summary { padding: 20px 24px; color: var(--text); }
.customer-detail > summary h2 { display: inline; font-size: 23px; letter-spacing: -.025em; }
.customer-detail-body { padding: 0 24px 24px; }
.customer-detail-body p { margin-top: 14px; font-size: 15px; line-height: 1.7; }
.customer-detail-body h3 { margin-top: 22px; }
.customer-detail-body li { margin-top: 10px; }
@media (max-width: 1050px) {
  .shell { width: calc(100% - 64px); }
  .hero { gap: 24px; }
  .hero h1 { font-size: clamp(42px, 5.4vw, 58px); }
  .benefit-card { padding: 18px 14px; gap: 12px; }
  .pro-feature-layout, .battery-layout, .sound-layout { gap: 36px; }
  .help-grid { gap: 26px; }
  .help-grid article + article { padding-left: 26px; }
}
@media (max-width: 760px) {
  .shell { width: calc(100% - 48px); }
  .section { padding-block: 52px; }
  .site-header { flex-wrap: wrap; min-height: 0; gap: 16px; padding-block: 20px 10px; }
  .brand { font-size: 25px; }
  .site-header nav { flex-basis: 100%; justify-content: space-between; gap: 20px; }
  nav a { font-size: 13px; }
  .hero { grid-template-columns: 1fr; padding-block: 44px 32px; gap: 30px; }
  .hero h1 { font-size: clamp(40px, 7.8vw, 60px); }
  .hero h1 span { white-space: normal; }
  .hero-description { font-size: 18px; }
  .hero-art .sound-shot { width: min(280px, 100%); }
  .feature-rail, .pro-feature-layout, .sound-layout, .battery-layout, .plans, .install-steps, .faq, .help-grid { grid-template-columns: 1fr; }
  .benefit-card { padding: 18px 22px; }
  .pro-reference { max-width: 285px; }
  .battery-art { max-width: 320px; }
  .sound-layout { gap: 30px; }
  .plans { gap: 16px; }
  .plan { padding: 25px 22px; }
  .install-steps { gap: 26px; }
  .install-steps li + li { padding-left: 0; border-left: 0; }
  .faq { gap: 26px; }
  .faq-list summary { font-size: 16px; }
  .help-grid article + article { border-left: 0; border-top: 1px solid var(--line); padding-top: 28px; padding-left: 0; }
  .help-grid h3 { font-size: 22px; }
  .site-footer nav { gap: 17px; flex-wrap: wrap; }
  .customer-detail > summary { padding: 18px; }
  .customer-detail-body { padding: 0 18px 20px; }
}
@media (max-width: 370px) {
  .shell { width: calc(100% - 36px); }
  .hero h1 { font-size: 35px; }
  .actions { flex-direction: column; }
  .actions .button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }

.license-ribbon { align-self: flex-start; color: #dfd4ff; background: #b49cff20; border: 1px solid #b49cff50; border-radius: 100px; padding: 5px 12px; font-size: 12px; font-weight: 700; margin-bottom: 18px; }
.battery-pro-spotlight { margin-top: 26px; border: 1px solid #b49cff50; border-radius: 16px; background: linear-gradient(140deg, #b49cff18, #10151b); padding: 24px; }
.battery-pro-spotlight .pro-label { color: var(--lav); text-transform: uppercase; letter-spacing: .1em; font-size: 12px; font-weight: 700; margin-bottom: 12px; }
.battery-pro-spotlight h3 { color: #dfd4ff; }
.battery-pro-spotlight p { font-size: 14px; margin-top: 14px; }
.battery-pro-spotlight .charge-example { font: 600 clamp(34px, 4vw, 48px)/1.25 var(--display); color: var(--mint); letter-spacing: -.04em; }
.charge-example span { color: var(--lav); }
.battery-pro-spotlight .charge-example-label { font-size: 12px; color: var(--caption); margin-top: 5px; }

.availability a, .plan-note a { text-decoration: underline; text-underline-offset: 3px; color: var(--caption); }

.eq-reference { margin-top: 28px; }
.native-eq-curve { position: relative; aspect-ratio: 1440 / 454; overflow: hidden; border-radius: 14px; border: 1px solid #b49cff30; background: #111; }
.native-eq-curve img { display: block; position: absolute; width: 100%; height: auto; top: 0; left: 0; }
.eq-reference figcaption { margin-top: 10px; }

.customer-detail > h2 { padding: 24px 24px 6px; font-size: 25px; letter-spacing: -.025em; }
.customer-detail:target { border-color: #4fe3d975; scroll-margin-top: 28px; }