:root {
  color-scheme: dark;
  --ink: #f1f4ef;
  --muted: #aab7b7;
  --soft: #778789;
  --surface: #233137;
  --surface-2: #2d3d42;
  --surface-3: #172226;
  --line: #46585c;
  --green: #54dd88;
  --green-deep: #208b55;
  --blue: #69afe9;
  --page: #11191c;
  --shadow: 0 30px 80px rgba(0, 0, 0, .42);
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 8%, rgba(59, 139, 120, .13), transparent 27rem),
    var(--page);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
}

a { color: inherit; }

.wrap {
  width: min(1160px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  width: min(1240px, calc(100% - 48px));
  height: 86px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--ink);
  font-weight: 720;
  letter-spacing: -.02em;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  width: 42px;
  height: 34px;
  padding: 5px 5px 8px;
  border: 1px solid #56686b;
  border-radius: 7px;
  background: #202d31;
}

.brand-mark .keys { display: flex; height: 15px; gap: 1px; }
.brand-mark .keys i { flex: 1; background: #e8ece7; border-radius: 0 0 1px 1px; }
.brand-mark .keys i:nth-child(2),
.brand-mark .keys i:nth-child(4) { height: 9px; background: #667578; }
.brand-mark .led { position: absolute; left: 6px; right: 6px; bottom: 4px; height: 3px; border-radius: 3px; background: var(--green); box-shadow: 0 0 7px rgba(84, 221, 136, .7); }

nav { display: flex; gap: 30px; }
nav a { color: var(--muted); font-size: .92rem; text-decoration: none; transition: color .2s; }
nav a:hover { color: var(--ink); }

.hero {
  min-height: 680px;
  padding: 96px 0 110px;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 80px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: .76rem;
  font-weight: 720;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.ready-dot { display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px rgba(84, 221, 136, .7); }

h1, h2, h3, p { text-wrap: balance; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.035em; }
h1 { margin: 0; font-size: clamp(3.3rem, 6vw, 5.8rem); font-weight: 720; }
h1 em { color: var(--green); font-style: normal; }
h2 { margin: 0; font-size: clamp(2.1rem, 4vw, 3.65rem); }
h3 { margin: 0; font-size: 1.45rem; }

.lede { max-width: 660px; margin: 30px 0 0; color: var(--muted); font-size: 1.16rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }

.button {
  min-height: 48px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 670;
  text-decoration: none;
  transition: transform .18s, background .18s, border-color .18s;
}
.button:hover { transform: translateY(-1px); }
.button.primary { background: var(--green); color: #0d2517; }
.button.primary:hover { background: #72e69d; }
.button.secondary { border-color: var(--line); background: rgba(40, 55, 60, .5); color: var(--ink); }
.button.secondary:hover { border-color: #708286; background: var(--surface); }
.button.disabled { background: #354247; color: #839092; cursor: not-allowed; pointer-events: none; }

.instrument-panel {
  position: relative;
  border: 1px solid #4a5e62;
  border-radius: 17px;
  background: linear-gradient(145deg, #34454a, #233136 70%);
  padding: 22px 22px 0;
  box-shadow: var(--shadow);
  transform: perspective(1100px) rotateY(-4deg) rotateX(1deg);
  overflow: hidden;
}
.instrument-panel::before { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, rgba(255,255,255,.07), transparent 28%); pointer-events: none; }
.panel-top { display: flex; justify-content: space-between; color: #c7d0d0; font-size: .65rem; font-weight: 760; letter-spacing: .12em; }
.panel-status { color: var(--green); }
.panel-status i { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: var(--green); }
.screen { margin-top: 20px; padding: 23px; border: 1px solid #50666a; border-radius: 8px; background: #17272a; box-shadow: inset 0 0 25px rgba(0,0,0,.25); }
.screen > * { display: block; }
.screen-label { color: var(--green); font-size: .63rem; letter-spacing: .12em; }
.screen strong { margin-top: 8px; font-size: 1.85rem; letter-spacing: -.03em; }
.screen small { margin-top: 4px; color: #9eb0b1; }
.patches { margin: 16px 0 24px; border: 1px solid #475b5f; border-radius: 7px; overflow: hidden; }
.patches span { display: block; padding: 10px 13px; color: #adbabb; border-bottom: 1px solid #3b4e52; font-size: .82rem; }
.patches span:last-child { border: 0; }
.patches span.active { color: #f5faf6; background: rgba(45, 147, 92, .34); }
.patches b { display: inline-block; width: 35px; color: #748689; font-size: .68rem; }
.patches .active b { color: var(--green); }
.piano-keys { height: 96px; margin-inline: -22px; display: flex; gap: 2px; padding: 0 7px; background: #151d20; }
.piano-keys i { position: relative; flex: 1; height: 88px; border-radius: 0 0 4px 4px; background: linear-gradient(#f1f2ed, #cfd2cc); }
.piano-keys i::after { position: absolute; z-index: 2; top: 0; right: -38%; width: 54%; height: 54px; border-radius: 0 0 3px 3px; background: linear-gradient(90deg, #182023, #2c3436); box-shadow: 1px 2px 3px rgba(0,0,0,.45); }
.piano-keys i:nth-child(7n + 1)::after,
.piano-keys i:nth-child(7n + 2)::after,
.piano-keys i:nth-child(7n + 4)::after,
.piano-keys i:nth-child(7n + 5)::after,
.piano-keys i:nth-child(7n + 6)::after { content: ""; }

.manifesto { padding: 100px 0; border-block: 1px solid #253337; background: #162125; text-align: center; }
.compact { max-width: 850px; }
.manifesto p { margin: 0 0 18px; color: var(--green); font-weight: 660; }

.features { padding: 128px 0; }
.section-heading { max-width: 740px; }
.feature-grid { margin-top: 68px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; border: 1px solid var(--line); border-radius: 12px; background: var(--line); overflow: hidden; }
.feature-grid article { min-height: 240px; padding: 34px; background: var(--surface-3); }
.feature-number { display: block; margin-bottom: 44px; color: var(--green); font: 650 .72rem/1 monospace; }
.feature-grid p { max-width: 440px; margin: 14px 0 0; color: var(--muted); }

.beta-section { padding: 120px 0; background: #1a272b; border-block: 1px solid #2b3b3f; }
.beta-layout { display: grid; grid-template-columns: 1fr .84fr; gap: 100px; align-items: center; }
.beta-copy > p:not(.eyebrow) { max-width: 610px; color: var(--muted); font-size: 1.06rem; }
.requirements { margin: 30px 0 0; padding: 0; list-style: none; color: #c4cece; }
.requirements li { margin: 10px 0; }
.requirements li::before { content: "✓"; margin-right: 11px; color: var(--green); font-weight: 800; }

.download-card { padding: 30px; border: 1px solid #52656a; border-radius: 13px; background: #26353a; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.download-state { display: flex; align-items: center; gap: 9px; margin-bottom: 26px; color: var(--blue); font-size: .69rem; font-weight: 740; letter-spacing: .11em; text-transform: uppercase; }
.release-light { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 9px rgba(105, 175, 233, .65); }
.download-card > p { color: var(--muted); }
.download-card .button { width: 100%; margin-top: 10px; }
.release-details { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 9px 18px; color: var(--muted); font-size: .78rem; }
.release-details a { color: #d6dfde; }
.release-details[hidden] { display: none; }
.unsigned-note { margin: 22px 0 0; padding-top: 20px; border-top: 1px solid #405257; font-size: .78rem; }
.unsigned-note strong { color: #d8dfde; }

.feedback { min-height: 300px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.feedback h2 { max-width: 780px; font-size: clamp(2rem, 4vw, 3rem); }
.feedback .eyebrow { margin-bottom: 12px; }
.feedback .button { flex: 0 0 auto; }

footer { padding: 30px 0; border-top: 1px solid #28363a; color: var(--soft); font-size: .78rem; }
.footer-inner { display: flex; gap: 28px; justify-content: space-between; }
footer a { color: #b7c3c3; }

.legal-page {
  max-width: 840px;
  padding: 90px 0 120px;
}
.legal-page h1 { font-size: clamp(3rem, 7vw, 5rem); }
.legal-intro { margin: 30px 0 70px; color: var(--muted); font-size: 1.18rem; }
.legal-page section { padding: 34px 0; border-top: 1px solid #2e3e42; }
.legal-page section h2 { margin-bottom: 17px; font-size: 1.55rem; }
.legal-page section p { color: var(--muted); }
.legal-page section p:last-child { margin-bottom: 0; }
.legal-page section a { color: #d7e2e0; text-decoration-color: #66817f; text-underline-offset: 3px; }
.legal-page section a:hover { color: var(--green); }
.legal-updated { margin-top: 44px; color: var(--soft); font-size: .82rem; }

.feedback-page {
  max-width: 960px;
  padding: 90px 0 120px;
}
.feedback-heading { max-width: 800px; }
.feedback-heading h1 { font-size: clamp(3rem, 7vw, 5rem); }
.feedback-heading > p:not(.eyebrow) { max-width: 720px; color: var(--muted); font-size: 1.08rem; }
.feedback-heading .feedback-privacy { margin-top: 22px; font-size: .85rem; }
.feedback-privacy a, .technical-feedback a { color: #d7e2e0; text-underline-offset: 3px; }
.form-panel { margin-top: 54px; min-height: 640px; overflow: hidden; }
.form-panel iframe { display: block; }
.form-panel noscript { display: block; padding: 30px; color: #172226; }
.technical-feedback { margin: 26px 0 0; color: var(--muted); font-size: .88rem; text-align: center; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 65px; padding-top: 65px; }
  .hero-copy { max-width: 720px; }
  .instrument-panel { max-width: 600px; transform: none; }
  .beta-layout { grid-template-columns: 1fr; gap: 55px; }
}

@media (max-width: 620px) {
  .wrap, .site-header { width: min(100% - 30px, 1160px); }
  .site-header { height: 72px; }
  .brand > span:last-child { font-size: .9rem; }
  nav a:not(:last-child) { display: none; }
  .hero { min-height: auto; padding: 55px 0 80px; }
  h1 { font-size: clamp(2.8rem, 15vw, 4rem); }
  .instrument-panel { padding: 16px 16px 0; }
  .piano-keys { margin-inline: -16px; }
  .manifesto, .features, .beta-section { padding-block: 80px; }
  .legal-page { padding-block: 60px 80px; }
  .feedback-page { padding-block: 60px 80px; }
  .form-panel { margin-top: 38px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feedback { padding-block: 60px; align-items: flex-start; flex-direction: column; }
  .footer-inner { flex-direction: column; gap: 8px; }
}

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