:root {
  color-scheme: dark;
  --bg: #060714;
  --bg-soft: #0b0d1c;
  --panel: rgba(19, 21, 39, .78);
  --panel-solid: #111426;
  --line: rgba(172, 181, 255, .14);
  --text: #f5f4ff;
  --muted: #aaaac0;
  --purple: #8668ff;
  --purple-bright: #a18cff;
  --blue: #30c8ff;
  --radius: 24px;
  --shell: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(ellipse 70% 45% at 73% 7%, rgba(68, 35, 180, .23), transparent 70%),
    radial-gradient(ellipse 45% 30% at 92% 28%, rgba(22, 143, 209, .08), transparent 70%),
    var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: -60px; padding: 10px 14px; border-radius: 8px; background: white; color: #090914; }
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgba(6, 7, 20, .72);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}
.nav { height: 72px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; text-decoration: none; letter-spacing: -.02em; }
.brand img { border-radius: 9px; box-shadow: 0 0 20px rgba(74, 61, 255, .25); }
.nav-links { display: flex; gap: 34px; }
.nav-links a, .footer a { color: var(--muted); text-decoration: none; font-size: .92rem; transition: color .2s ease; }
.nav-links a:hover, .footer a:hover, .text-link:hover { color: white; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 50px; padding: 0 22px; border: 1px solid transparent; border-radius: 13px; font-weight: 650; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .nav a:focus-visible, .text-link:focus-visible { outline: 3px solid rgba(48, 200, 255, .7); outline-offset: 3px; }
.button svg { width: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.button-primary { background: linear-gradient(135deg, #7652ff, #6256ff 52%, #268cf4); color: white; box-shadow: 0 14px 38px rgba(94, 73, 255, .3), inset 0 1px rgba(255, 255, 255, .2); }
.button-primary:hover { box-shadow: 0 18px 46px rgba(94, 73, 255, .42), inset 0 1px rgba(255, 255, 255, .25); }
.button-ghost { border-color: var(--line); background: rgba(255, 255, 255, .035); }
.button-small { min-height: 38px; padding-inline: 16px; border-radius: 10px; font-size: .88rem; }

.hero { min-height: 710px; display: grid; grid-template-columns: .86fr 1.14fr; align-items: center; gap: 44px; padding-block: 80px 90px; }
.eyebrow { color: var(--purple-bright); font-size: .76rem; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin: 0 8px 1px 0; border-radius: 99px; background: var(--blue); box-shadow: 0 0 12px var(--blue); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 18px 0 22px; font-size: clamp(4.1rem, 7.3vw, 7rem); line-height: .88; letter-spacing: -.075em; }
h1 span { color: transparent; background: linear-gradient(100deg, #a289ff 15%, #5b8fff 58%, #3ed8ff); -webkit-background-clip: text; background-clip: text; }
.lede { max-width: 540px; color: #c0bfd2; font-size: clamp(1.08rem, 1.6vw, 1.28rem); line-height: 1.6; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 32px; }
.text-link { color: #d6d3eb; font-weight: 600; text-decoration: none; }
.requirements { margin: 16px 0 0; color: #74758b; font-size: .78rem; }
.privacy-line { display: flex; flex-wrap: wrap; gap: 8px 17px; margin: 20px 0 0; color: #a9a8bd; font-size: .75rem; font-weight: 650; }
.privacy-line span { position: relative; }
.privacy-line span:not(:last-child)::after { content: "·"; position: absolute; right: -11px; color: #56576b; }

.hero-visual { --menu-tilt: 1.2deg; position: relative; min-height: 500px; display: grid; place-items: center; isolation: isolate; }
.orbit { position: absolute; z-index: -2; border: 1px solid rgba(133, 112, 255, .2); border-radius: 50%; }
.orbit-one { width: 440px; height: 440px; box-shadow: inset 0 0 90px rgba(98, 68, 255, .07), 0 0 80px rgba(70, 48, 255, .08); }
.orbit-two { width: 580px; height: 300px; transform: rotate(-15deg); border-color: rgba(55, 189, 255, .08); }
.wave-field { position: absolute; z-index: -1; width: 118%; overflow: visible; filter: drop-shadow(0 0 15px rgba(80, 81, 255, .25)); }
.wave-field path { fill: none; stroke: url(#wave-a); stroke-width: 2; filter: url(#glow); }
.wave-field path:nth-child(2) { opacity: .66; }
.wave-field path:nth-child(3) { opacity: .35; }
.status-bar-demo { position: absolute; top: 70px; left: 50%; width: min(470px, 96%); height: 34px; display: grid; grid-template-columns: 1fr 42px 1fr; align-items: center; transform: translateX(-50%) rotate(var(--menu-tilt)); border-block: 1px solid rgba(224,226,255,.12); background: linear-gradient(90deg, transparent, rgba(27,29,45,.88) 17%, rgba(27,29,45,.96) 50%, rgba(27,29,45,.88) 83%, transparent); color: #c9cad7; }
.status-neighbors { display: flex; align-items: center; gap: 13px; font-size: .66rem; }
.status-neighbors svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }
.status-left { justify-content: flex-end; padding-right: 20px; opacity: .55; -webkit-mask-image: linear-gradient(to left, #000 35%, transparent 100%); mask-image: linear-gradient(to left, #000 35%, transparent 100%); }
.status-right { justify-content: flex-start; padding-left: 20px; opacity: .55; -webkit-mask-image: linear-gradient(to right, #000 35%, transparent 100%); mask-image: linear-gradient(to right, #000 35%, transparent 100%); }
.status-right .battery-icon { width: 21px; }
.status-right .battery-level { fill: currentColor; stroke: none; }
.nullwave-status-icon { z-index: 1; width: 34px; height: 28px; display: grid; place-items: center; justify-self: center; border: 1px solid rgba(147,128,255,.3); border-radius: 7px; background: rgba(105,78,238,.2); box-shadow: 0 0 18px rgba(92,76,255,.2); }
.nullwave-status-icon img { width: 18px; height: 18px; filter: invert(1); opacity: .95; }
.menu-bar-demo { position: relative; width: min(350px, 86vw); padding: 21px; overflow: visible; border: 1px solid rgba(213, 216, 255, .21); border-radius: 17px; background: linear-gradient(145deg, rgba(31, 33, 49, .96), rgba(14, 16, 30, .94)); box-shadow: 0 45px 100px rgba(0, 0, 0, .52), 0 0 0 1px rgba(0, 0, 0, .3), inset 0 1px rgba(255, 255, 255, .08); backdrop-filter: blur(30px); transform: rotate(var(--menu-tilt)); }
.menu-pointer { position: absolute; top: -8px; left: 50%; width: 16px; height: 16px; margin-left: -8px; transform: rotate(45deg); border-top: 1px solid rgba(213, 216, 255, .21); border-left: 1px solid rgba(213, 216, 255, .21); background: #1e2031; }
.panel-head { display: flex; align-items: center; gap: 11px; }
.panel-head strong, .panel-head span { display: block; }
.panel-head strong { font-size: .96rem; }
.panel-head span { margin-top: 1px; color: #9495aa; font-size: .75rem; }
.panel-head button { margin-left: auto; padding: 5px 16px; color: #e8e8f0; border: 0; border-radius: 8px; background: rgba(255, 255, 255, .12); font: inherit; font-size: .77rem; }
.playing-icon { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; gap: 2px; border-radius: 50%; background: #137cf0; }
.playing-icon i { width: 2px; border-radius: 4px; background: white; opacity: .95; animation: equalize 1.1s ease-in-out infinite alternate; }
.playing-icon i:nth-child(1), .playing-icon i:nth-child(5) { height: 9px; animation-delay: -.3s; }
.playing-icon i:nth-child(2), .playing-icon i:nth-child(4) { height: 17px; animation-delay: -.7s; }
.playing-icon i:nth-child(3) { height: 22px; animation-delay: -.1s; }
@keyframes equalize { to { transform: scaleY(.45); } }
.control-label { margin: 22px 0 6px; color: #8c8da1; font-size: .68rem; }
.segments { display: grid; grid-template-columns: repeat(3, 1fr); padding: 2px; border-radius: 8px; background: rgba(255, 255, 255, .075); box-shadow: inset 0 0 0 1px rgba(0,0,0,.28); }
.segments span { padding: 5px; color: #b9b9c7; text-align: center; font-size: .75rem; }
.segments .active { color: white; border-radius: 6px; background: #087df2; box-shadow: 0 1px 4px rgba(0,0,0,.35); }
.volume-row { display: flex; justify-content: space-between; margin: 18px 0 8px; color: #9293a5; font-size: .68rem; }
.volume-row strong { color: #bebecd; font-weight: 500; }
.slider { position: relative; height: 4px; margin: 12px 5px 22px; border-radius: 9px; background: rgba(255,255,255,.16); }
.slider span { display: block; width: 30%; height: 100%; border-radius: inherit; background: #1689ff; }
.slider i { position: absolute; top: 50%; left: 30%; width: 15px; height: 15px; transform: translate(-50%, -50%); border-radius: 50%; background: white; box-shadow: 0 2px 6px rgba(0,0,0,.5); }
.settings-link { display: flex; gap: 9px; padding-top: 14px; color: #aaaabc; border-top: 1px solid rgba(255,255,255,.09); font-size: .76rem; }
.settings-link span { color: #ddddea; }

.trust-strip { border-block: 1px solid var(--line); background: rgba(255,255,255,.018); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); padding-block: 25px; }
.stats div { padding: 4px 25px; border-right: 1px solid var(--line); text-align: center; }
.stats div:first-child { padding-left: 0; }
.stats div:last-child { padding-right: 0; border-right: 0; }
.stats strong, .stats span { display: block; }
.stats strong { font-size: 1.25rem; }
.stats span { color: var(--muted); font-size: .74rem; }

.section { padding-block: 130px; }
.section-heading { max-width: 680px; margin-bottom: 52px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
h2 { margin: 12px 0 16px; font-size: clamp(2.5rem, 5vw, 4.4rem); line-height: 1; letter-spacing: -.055em; }
.section-heading p, .showcase-copy > p, .final-cta > p { color: var(--muted); font-size: 1.08rem; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature-card { position: relative; min-height: 285px; padding: 32px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(19,21,40,.88), rgba(11,13,27,.7)); }
.feature-card::after { content: ""; position: absolute; inset: auto -15% -70% 35%; height: 230px; border-radius: 50%; background: radial-gradient(circle, rgba(89,63,255,.13), transparent 68%); pointer-events: none; }
.feature-card h3 { margin: 15px 0 10px; font-size: 1.35rem; letter-spacing: -.025em; }
.feature-card p { max-width: 570px; color: var(--muted); }
.feature-wide { grid-column: span 2; }
.feature-icon { display: grid; width: 42px; height: 42px; place-items: center; color: #c5baff; border: 1px solid rgba(145,120,255,.28); border-radius: 12px; background: rgba(119,82,255,.13); font-size: 1.3rem; font-weight: 700; line-height: 1; }
.feature-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; }
.volume-memory { margin-top: 27px; padding: 18px 20px; border: 1px solid rgba(255,255,255,.07); border-radius: 14px; background: rgba(2,3,12,.43); }
.volume-memory div { display: grid; grid-template-columns: 65px 1fr 42px; align-items: center; gap: 14px; margin: 9px 0; color: #babacd; font-size: .76rem; }
.volume-memory i { height: 4px; border-radius: 4px; background: linear-gradient(to right, var(--purple) var(--level), rgba(255,255,255,.1) var(--level)); }
.volume-memory b { color: #77798f; font-weight: 500; text-align: right; }
.code-card { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 50px; }
pre { margin: 0; padding: 25px; overflow: auto; border: 1px solid rgba(255,255,255,.09); border-radius: 15px; background: #070816; box-shadow: inset 0 1px rgba(255,255,255,.03); color: #d8d7e8; font: .88rem/1.9 ui-monospace, SFMono-Regular, Menlo, monospace; }
code span { color: var(--blue); }

.sound-section { border-block: 1px solid var(--line); background: radial-gradient(circle at 50% 48%, rgba(71,43,177,.13), transparent 48%), rgba(255,255,255,.014); }
.sound-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.sound-grid article { padding: 23px; border: 1px solid transparent; border-radius: 17px; background: rgba(255,255,255,.035); transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.sound-grid article:hover { transform: translateY(-3px); border-color: rgba(141,119,255,.28); background: rgba(114,83,255,.075); }
.sound-grid i { display: block; margin-bottom: 25px; color: #9882ff; font-size: 1.4rem; font-style: normal; text-shadow: 0 0 18px rgba(134,104,255,.45); }
.sound-grid h3 { margin-bottom: 5px; font-size: 1rem; }
.sound-grid p { margin: 0; color: #7f8094; font-size: .74rem; }

.showcase { display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 75px; }
.showcase-image { position: relative; }
.showcase-image img { position: relative; border: 1px solid rgba(255,255,255,.22); border-radius: 17px; box-shadow: 0 35px 100px rgba(0,0,0,.58); }
.window-glow { position: absolute; inset: 5% -5% -7%; background: radial-gradient(ellipse, rgba(69,52,219,.26), transparent 66%); filter: blur(25px); }
.check-list { display: grid; gap: 23px; padding: 0; margin: 34px 0 0; list-style: none; }
.check-list li { display: flex; gap: 14px; }
.check-list li > span { display: grid; flex: 0 0 26px; height: 26px; place-items: center; color: var(--blue); border: 1px solid rgba(48,200,255,.22); border-radius: 50%; background: rgba(48,200,255,.08); font-size: .76rem; }
.check-list strong, .check-list small { display: block; }
.check-list strong { margin-bottom: 4px; }
.check-list small { color: var(--muted); font-size: .83rem; line-height: 1.5; }

.final-cta { position: relative; overflow: hidden; margin-bottom: 120px; padding: 80px 24px; border: 1px solid var(--line); border-radius: 32px; background: radial-gradient(circle at 50% 0, rgba(95,65,234,.22), transparent 48%), var(--panel); text-align: center; }
.final-cta img { margin: 0 auto 24px; border-radius: 22px; box-shadow: 0 0 45px rgba(80,69,255,.32); }
.final-cta h2 { font-size: clamp(2.7rem,5vw,4.6rem); }
.centered-actions { justify-content: center; }
.cta-wave { position: absolute; inset: auto -5% -80px; height: 170px; opacity: .22; background: radial-gradient(ellipse at center, #5f4cff, transparent 63%); filter: blur(30px); }

.footer { border-top: 1px solid var(--line); }
.footer-inner { min-height: 110px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 25px; }
.footer-inner p { margin: 0; color: #737489; font-size: .82rem; }
.footer-inner > div { display: flex; justify-content: flex-end; gap: 24px; }

@media (max-width: 900px) {
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 80px; text-align: center; }
  .hero-copy { position: relative; z-index: 2; }
  .lede { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .privacy-line { justify-content: center; }
  .hero-visual { min-height: 460px; }
  .showcase { grid-template-columns: 1fr; gap: 55px; }
  .showcase-copy { max-width: 680px; }
  .sound-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 680px) {
  .shell { width: min(calc(100% - 30px), var(--shell)); }
  .nav-links { display: none; }
  .hero { padding-top: 60px; }
  h1 { font-size: clamp(3.6rem, 20vw, 5.5rem); }
  .hero-actions { flex-direction: column; gap: 16px; }
  .hero-actions .button { width: 100%; }
  .hero-visual { min-height: 410px; }
  .orbit-one { width: 340px; height: 340px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats div:nth-child(2) { border-right: 0; }
  .stats div:nth-child(-n+2) { padding-bottom: 18px; border-bottom: 1px solid var(--line); }
  .stats div:nth-child(n+3) { padding-top: 18px; }
  .section { padding-block: 90px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-wide { grid-column: auto; }
  .code-card { grid-template-columns: 1fr; gap: 25px; }
  .sound-grid { grid-template-columns: repeat(2, 1fr); }
  .sound-grid article { padding: 19px; }
  .footer-inner { grid-template-columns: 1fr; padding-block: 30px; text-align: center; }
  .footer-inner .brand, .footer-inner > div { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}