@font-face { font-family: Montserrat; src: url("/assets/fonts/Montserrat-Medium.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: Montserrat; src: url("/assets/fonts/Montserrat-Bold.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: Montserrat; src: url("/assets/fonts/Montserrat-ExtraBold.woff2") format("woff2"); font-weight: 800; font-style: normal; font-display: swap; }

:root {
  --bg: #1c1c1d;
  --bg-2: #242426;
  --line: #333336;
  --text: #f2f2f0;
  --muted: #9a9a9a;
  --lime: #c4f21d;
  --lime-ink: #1c1c1d;
  --gutter: 16px;
  --max: 1180px;
  --radius: 6px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: Montserrat, system-ui, sans-serif; font-weight: 500;
  font-size: 16px; line-height: 1.55;
}
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
@media (min-width: 768px) { :root { --gutter: 32px; } }

/* Header */
header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; letter-spacing: .02em; }
.logo img { width: 28px; height: 28px; border-radius: 6px; }
nav { display: flex; align-items: center; gap: 4px; }
nav a {
  text-decoration: none; color: var(--muted); font-weight: 600; font-size: 14px;
  min-height: 44px; display: inline-flex; align-items: center; padding: 0 10px; border-radius: var(--radius);
}
nav a:hover { color: var(--text); }
nav .hide-sm { display: none; }
@media (min-width: 640px) { nav .hide-sm { display: inline-flex; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border-radius: var(--radius);
  font: inherit; font-weight: 700; font-size: 15px; letter-spacing: .02em;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: background-color .15s, color .15s, border-color .15s;
}
.btn-primary { background: var(--lime); color: var(--lime-ink); }
.btn-primary:hover { background: #d6ff3a; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--muted); }
.btn[aria-disabled="true"] { background: var(--bg-2); color: var(--muted); cursor: default; }
nav .btn { min-height: 40px; padding: 0 16px; font-size: 14px; margin-left: 6px; }

/* Hero */
.hero { padding-top: 72px; padding-bottom: 40px; text-align: center; }
.hero h1 {
  margin: 0; color: var(--lime); font-weight: 800; line-height: .95;
  font-size: clamp(52px, 14vw, 150px); letter-spacing: -.01em;
}
.hero .sub { margin: 18px auto 0; max-width: 34ch; color: var(--muted); font-size: clamp(17px, 2.4vw, 22px); }
.hero .cta { margin-top: 32px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.price-note { margin-top: 14px; font-size: 13px; color: var(--muted); }
.device { margin: 56px auto 0; max-width: 1100px; }
.split .device { margin: 16px 0 0; max-width: none; }
.device img { width: 100%; border-radius: 10px; }
@media (max-width: 639px) {
  .device { overflow-x: auto; margin-left: calc(-1 * var(--gutter)); margin-right: calc(-1 * var(--gutter)); padding: 0 var(--gutter); scrollbar-width: none; }
  .device img { width: 760px; max-width: none; }
  .scroll-hint { display: block; }
}
.scroll-hint { display: none; margin-top: 8px; font-size: 12px; color: var(--muted); text-align: center; }

/* Sections */
section { padding: 72px 0; border-top: 1px solid var(--line); }
.eyebrow { color: var(--lime); font-weight: 700; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 14px; }
h2 { margin: 0 0 18px; font-size: clamp(28px, 4.6vw, 44px); line-height: 1.1; font-weight: 800; max-width: 22ch; }
.lead { color: var(--muted); font-size: 18px; max-width: 60ch; margin: 0; }

/* Sound */
.tracks { margin-top: 36px; display: grid; gap: 10px; }
.track {
  display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 16px;
  padding: 12px 16px 12px 12px; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
}
.track.playing { border-color: var(--lime); }
.play {
  width: 48px; height: 48px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--lime); color: var(--lime-ink); display: grid; place-items: center;
}
.play svg { width: 18px; height: 18px; }
.track-name { font-weight: 700; }
.track-meta { color: var(--muted); font-size: 13px; }
.progress { grid-column: 2 / 4; height: 3px; background: var(--line); border-radius: 2px; margin-top: 6px; overflow: hidden; display: none; }
.track.playing .progress { display: block; }
.progress i { display: block; height: 100%; width: 0; background: var(--lime); }
.time { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }

.stage { margin: 36px 0 0; position: sticky; top: 60px; z-index: 2; background: var(--bg); padding-top: 12px; padding-bottom: 12px; }
.panel { display: block; width: 100%; height: auto; aspect-ratio: 690 / 169; border-radius: 10px; background: #1c1c1d; }
.stage figcaption { margin-top: 10px; color: var(--muted); font-size: 13px; }

/* Features */
.split { display: grid; gap: 40px; align-items: center; }
@media (min-width: 960px) { .split { grid-template-columns: 1fr 1fr; gap: 24px 56px; } }
.split .shot { grid-column: 1 / -1; margin-top: 16px; }
@media (min-width: 960px) { .split > div:nth-child(2) { padding-top: 38px; } }
.shot img { border-radius: 10px; }
.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.list li { padding-left: 22px; position: relative; }
.list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px; border-radius: 50%; background: var(--lime); }
.list b { font-weight: 700; }

/* Specs + buy */
.buy { display: grid; gap: 40px; }
@media (min-width: 960px) { .buy { grid-template-columns: 1fr 1fr; gap: 56px; } }
.specs { margin: 0; display: grid; }
.specs div { display: grid; grid-template-columns: 130px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.specs dt { color: var(--muted); }
.specs dd { margin: 0; }
.card { background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 28px; }
.card .name { font-weight: 800; font-size: 22px; }
.card .price { font-size: 56px; font-weight: 800; line-height: 1; margin: 18px 0 6px; }
.card .price small { font-size: 18px; color: var(--muted); font-weight: 600; }
.card .btn { width: 100%; margin-top: 22px; }
.card .fine { margin: 16px 0 0; color: var(--muted); font-size: 13px; }

/* FAQ */
details { border-bottom: 1px solid var(--line); }
details:first-of-type { border-top: 1px solid var(--line); }
summary {
  list-style: none; cursor: pointer; min-height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-weight: 700; font-size: 17px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--lime); font-size: 26px; font-weight: 500; line-height: 1; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 0 0 20px; color: var(--muted); max-width: 70ch; }
.faq { margin-top: 32px; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--muted); font-size: 14px; }
.foot { display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; align-items: center; }
.foot nav a { padding: 0 8px; }

section, #top { scroll-margin-top: 60px; }