:root {
  color-scheme: dark;
  --bg: #090a09;
  --bg-raised: #111210;
  --surface: #181713;
  --line: rgba(231, 222, 198, 0.14);
  --line-strong: rgba(231, 222, 198, 0.28);
  --text: #f0ece1;
  --muted: #978f81;
  --signal: #a57d3c;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: 'Manrope', 'Helvetica Neue', sans-serif;
  --mono: 'DM Mono', 'SFMono-Regular', monospace;
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--bg); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: 0.22;
  content: '';
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.32'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: '';
  background: radial-gradient(circle at 76% 12%, rgba(124, 88, 35, 0.14), transparent 28rem), linear-gradient(110deg, transparent 0 49.9%, rgba(231,222,198,0.035) 50%, transparent 50.1%);
}

a { color: inherit; }
button { color: inherit; font: inherit; }

.page-shell {
  width: min(1220px, calc(100% - 48px));
  min-height: 100svh;
  margin: 0 auto;
  padding: 26px 0 22px;
}

.site-header, .site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.site-header { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.site-footer { padding-top: 20px; color: var(--muted); }

.wordmark, .shop-link, .footer-callout a { text-decoration: none; }
.wordmark { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; }
.wordmark-dot, .pulse-dot { display: inline-block; width: 8px; height: 8px; border-radius: 99px; background: var(--signal); box-shadow: 0 0 0 5px rgba(165,125,60,0.12); }
.wordmark-plus { color: var(--signal); }
.shop-link { display: flex; align-items: center; gap: 10px; color: var(--muted); transition: color 180ms ease; }
.shop-link:hover, .footer-callout a:hover { color: var(--signal); }
.arrow { font-size: 16px; line-height: 0; }

.hero { padding: clamp(72px, 14vw, 160px) 0 clamp(80px, 12vw, 140px); }
.eyebrow { display: flex; align-items: center; gap: 11px; margin: 0; color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: 0.13em; line-height: 1.4; }
.pulse-dot { width: 6px; height: 6px; box-shadow: 0 0 0 4px rgba(203,245,106,0.08); }
.hero-copy { display: grid; grid-template-columns: minmax(0, 1fr) minmax(190px, 260px); align-items: end; gap: 48px; margin-top: 34px; }
h1, h2, p { margin-top: 0; }
h1 { max-width: 800px; margin-bottom: 0; font-size: clamp(48px, 8.4vw, 120px); font-weight: 500; letter-spacing: -0.075em; line-height: 0.9; }
h1 em, .sheet-panel h2 em { color: var(--signal); font-family: var(--serif); font-size: 1.07em; font-weight: 400; letter-spacing: -0.08em; }
.hero-note { display: flex; align-items: flex-start; gap: 18px; padding-bottom: 5px; }
.note-line { width: 34px; margin-top: 7px; border-top: 1px solid var(--signal); flex: 0 0 auto; }
.hero-note p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }

.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; padding-bottom: 22px; border-bottom: 1px solid var(--line-strong); }
h2 { margin: 13px 0 0; font-size: clamp(31px, 4vw, 53px); font-weight: 500; letter-spacing: -0.07em; line-height: 0.95; }
.section-meta { margin: 0 0 4px; color: var(--signal); font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; }
.soundscape-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); }
.soundscape-card { position: relative; display: flex; min-height: 292px; flex-direction: column; justify-content: space-between; padding: 16px; overflow: hidden; border: 0; border-radius: 0; background: var(--bg-raised); text-align: left; cursor: pointer; transition: background 200ms ease, transform 200ms ease; }
.soundscape-card::before { position: absolute; inset: 0; content: ''; opacity: 0; background: linear-gradient(145deg, rgba(203,245,106,0.08), transparent 60%); transition: opacity 200ms ease; }
.soundscape-card:hover, .soundscape-card.is-selected { background: var(--surface); }
.soundscape-card:hover::before, .soundscape-card.is-selected::before { opacity: 1; }
.soundscape-card.is-selected { box-shadow: inset 0 0 0 1px rgba(203,245,106,0.38); }
.card-topline, .card-content, .card-play { position: relative; z-index: 1; }
.card-topline { display: flex; justify-content: space-between; color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; }
.card-status { opacity: 0; color: var(--signal); transition: opacity 200ms ease; }
.is-selected .card-status { opacity: 1; }
.visualizer { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; gap: 5px; height: 128px; margin: 20px 0; }
.visualizer i { display: block; width: 2px; height: 22px; border-radius: 2px; background: var(--muted); opacity: 0.58; transform-origin: center; }
.visualizer i:nth-child(1) { height: 18%; } .visualizer i:nth-child(2) { height: 42%; } .visualizer i:nth-child(3) { height: 68%; } .visualizer i:nth-child(4) { height: 100%; } .visualizer i:nth-child(5) { height: 77%; } .visualizer i:nth-child(6) { height: 46%; } .visualizer i:nth-child(7) { height: 74%; } .visualizer i:nth-child(8) { height: 30%; }
.visualizer-b i:nth-child(1), .visualizer-b i:nth-child(8) { height: 54%; } .visualizer-b i:nth-child(2), .visualizer-b i:nth-child(7) { height: 77%; } .visualizer-b i:nth-child(3), .visualizer-b i:nth-child(6) { height: 30%; } .visualizer-b i:nth-child(4), .visualizer-b i:nth-child(5) { height: 55%; }
.visualizer-c i:nth-child(1), .visualizer-c i:nth-child(8) { height: 92%; } .visualizer-c i:nth-child(2), .visualizer-c i:nth-child(7) { height: 65%; } .visualizer-c i:nth-child(3), .visualizer-c i:nth-child(6) { height: 38%; } .visualizer-c i:nth-child(4), .visualizer-c i:nth-child(5) { height: 22%; }
.visualizer-d i:nth-child(1), .visualizer-d i:nth-child(8) { height: 36%; } .visualizer-d i:nth-child(2), .visualizer-d i:nth-child(7) { height: 48%; } .visualizer-d i:nth-child(3), .visualizer-d i:nth-child(6) { height: 96%; } .visualizer-d i:nth-child(4), .visualizer-d i:nth-child(5) { height: 60%; }
.visualizer-e i:nth-child(1), .visualizer-e i:nth-child(8) { height: 18%; } .visualizer-e i:nth-child(2), .visualizer-e i:nth-child(7) { height: 32%; } .visualizer-e i:nth-child(3), .visualizer-e i:nth-child(6) { height: 52%; } .visualizer-e i:nth-child(4), .visualizer-e i:nth-child(5) { height: 93%; }
.soundscape-card.is-selected .visualizer i { background: var(--signal); opacity: 0.9; animation: breathe 1.8s ease-in-out infinite alternate; }
.soundscape-card.is-selected .visualizer i:nth-child(2n) { animation-delay: -0.7s; } .soundscape-card.is-selected .visualizer i:nth-child(3n) { animation-delay: -1.2s; }
@keyframes breathe { to { transform: scaleY(0.55); opacity: 0.5; } }
.card-content { display: flex; flex-direction: column; gap: 7px; }
.card-content strong { font-size: 17px; font-weight: 600; letter-spacing: -0.04em; }
.card-content small { color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; }
.card-play { align-self: flex-end; display: grid; width: 29px; height: 29px; place-items: center; margin-top: -29px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--muted); font-family: var(--mono); font-size: 9px; }
.is-selected .card-play { color: var(--signal); border-color: var(--signal); }

.footer-callout { display: grid; grid-template-columns: minmax(80px, 1fr) minmax(180px, 0.9fr) minmax(230px, 1fr); align-items: center; gap: 30px; padding: 95px 0 100px; }
.footer-rule { width: 100%; border-top: 1px solid var(--line-strong); }
.footer-callout p { max-width: 170px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.footer-callout a { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 8px; border-bottom: 1px solid var(--line-strong); font-size: 13px; transition: color 180ms ease, border-color 180ms ease; }
.footer-callout a:hover { border-color: var(--signal); }

.install-sheet[hidden] { display: none; }
.install-sheet { position: fixed; inset: 0; z-index: 30; display: flex; align-items: flex-end; justify-content: center; }
.sheet-scrim { position: absolute; inset: 0; border: 0; background: rgba(4,7,6,0.76); backdrop-filter: blur(5px); cursor: pointer; }
.sheet-panel { position: relative; width: min(100%, 530px); padding: 14px 22px max(22px, env(safe-area-inset-bottom)); border: 1px solid var(--line-strong); border-bottom: 0; background: #131918; box-shadow: 0 -20px 70px rgba(0,0,0,0.35); animation: sheet-in 300ms cubic-bezier(.2,.9,.2,1) both; }
@keyframes sheet-in { from { transform: translateY(100%); } to { transform: translateY(0); } }
.sheet-handle { width: 34px; height: 3px; margin: 0 auto 29px; border-radius: 99px; background: var(--line-strong); }
.sheet-kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: 0.13em; }
.sheet-panel h2 { margin-bottom: 16px; font-size: 42px; line-height: 0.88; }
.install-copy { max-width: 390px; margin-bottom: 25px; color: var(--muted); font-size: 12px; line-height: 1.55; }
.install-steps { display: flex; gap: 15px; margin-bottom: 22px; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.5; }
.install-steps span { color: var(--signal); font-family: var(--mono); font-size: 10px; }
.install-steps p { margin: 0; }
.install-steps strong { color: var(--text); font-weight: 600; }
.install-action { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 14px 15px; border: 1px solid var(--signal); background: var(--signal); color: #100e08; font-family: var(--mono); font-size: 10px; letter-spacing: 0.09em; cursor: pointer; transition: background 180ms ease, color 180ms ease; }
.install-action:hover { background: transparent; color: var(--signal); }
.sheet-dismiss { display: block; margin: 15px auto 0; padding: 0; border: 0; background: transparent; color: var(--muted); font-size: 11px; cursor: pointer; }
.sheet-dismiss:hover { color: var(--text); }

@media (max-width: 840px) {
  .hero-copy { grid-template-columns: 1fr; gap: 34px; }
  .hero-note { max-width: 310px; margin-left: 34%; }
  .soundscape-grid { grid-template-columns: repeat(2, 1fr); }
  .soundscape-card { min-height: 248px; }
  .soundscape-card:last-child { grid-column: span 2; min-height: 220px; }
  .visualizer { height: 92px; }
  .footer-callout { grid-template-columns: 1fr 1fr; }
  .footer-rule { grid-column: span 2; }
  .footer-callout p { grid-column: 1; }
  .footer-callout a { grid-column: 2; }
}

@media (max-width: 520px) {
  .page-shell { width: min(100% - 32px, 1220px); padding-top: 18px; }
  .site-header { padding-bottom: 18px; }
  .shop-link span:first-child { display: none; }
  .hero { padding: 78px 0 92px; }
  .hero-copy { margin-top: 28px; }
  h1 { font-size: clamp(47px, 15vw, 79px); }
  .hero-note { margin-left: 0; }
  .section-heading { align-items: center; }
  .soundscape-grid { grid-template-columns: 1fr; }
  .soundscape-card, .soundscape-card:last-child { min-height: 176px; }
  .visualizer { height: 54px; margin: 10px 0; }
  .soundscape-card:last-child { grid-column: auto; }
  .footer-callout { grid-template-columns: 1fr; gap: 20px; padding: 76px 0 78px; }
  .footer-rule, .footer-callout p, .footer-callout a { grid-column: auto; }
  .footer-callout a { padding-bottom: 14px; }
  .site-footer { align-items: flex-start; gap: 12px; font-size: 9px; line-height: 1.4; }
  .sheet-panel { padding-left: 18px; padding-right: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* Compact app surface: the browser is the frame, the soundscape is the product. */
body::before { opacity: 0.06; }
.page-shell {
  width: min(100%, 760px);
  padding: max(22px, calc(env(safe-area-inset-top) + 8px)) 28px max(12px, env(safe-area-inset-bottom));
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.site-header { padding-bottom: 18px; }
.hero { padding: 58px 0 50px; }
.hero-copy { grid-template-columns: 1fr; gap: 22px; margin-top: 22px; }
h1 { max-width: 560px; font-size: clamp(42px, 8.5vw, 78px); line-height: 0.92; }
.hero-note { max-width: 360px; margin-left: 0; }
.section-heading { padding-bottom: 16px; }
h2 { font-size: 32px; }
.soundscape-grid { grid-template-columns: 1fr; gap: 8px; background: transparent; }
.soundscape-card, .soundscape-card:last-child {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 128px 32px;
  grid-template-areas: 'top content visual play';
  align-items: center;
  min-height: 88px;
  padding: 14px 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-raised);
}
.soundscape-card::before { background: linear-gradient(100deg, rgba(165,125,60,0.12), transparent 34%); }
.soundscape-card.is-selected { box-shadow: inset 2px 0 0 var(--signal); border-color: rgba(165,125,60,0.45); }
.card-topline { grid-area: top; flex-direction: column; align-items: flex-start; justify-content: center; gap: 4px; }
.card-topline > span { min-width: 0; }
.card-status { display: block; max-width: 100%; overflow: hidden; font-size: 8px; letter-spacing: 0.06em; line-height: 1.1; text-overflow: ellipsis; white-space: nowrap; }
.visualizer { grid-area: visual; height: 42px; margin: 0; gap: 5px; }
.card-content { grid-area: content; gap: 5px; }
.card-content strong { font-size: 15px; }
.card-content small { font-size: 9px; }
.card-play { grid-area: play; align-self: center; margin: 0; }
.footer-callout { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 50px 0 56px; border-top: 1px solid var(--line); }
.footer-rule { display: none; }
.footer-callout p { max-width: none; margin: 0; }
.footer-callout a { padding: 0; border-bottom: 0; font-size: 12px; }
.site-footer { padding-top: 16px; border-top: 1px solid var(--line); }
.sheet-panel { width: min(100%, 420px); border-radius: 16px 16px 0 0; }

@media (max-width: 640px) {
  .page-shell {
    width: 100%;
    padding: max(16px, calc(env(safe-area-inset-top) + 8px)) 16px max(8px, env(safe-area-inset-bottom));
    border: 0;
  }
  .hero { padding: 54px 0 42px; }
  h1 { font-size: clamp(43px, 13vw, 63px); }
  .soundscape-card, .soundscape-card:last-child {
    grid-template-columns: 40px minmax(0, 1fr) 78px 30px;
    min-height: 78px;
    padding: 12px;
  }
  .visualizer { height: 32px; gap: 3px; }
  .card-content strong { font-size: 14px; }
  .card-status { max-width: 40px; font-size: 7px; letter-spacing: 0.04em; }
  .footer-callout { align-items: flex-start; flex-direction: column; gap: 10px; padding: 32px 0 28px; }
  .site-footer { padding-top: 12px; padding-bottom: max(8px, env(safe-area-inset-bottom)); }
}