/* Brown Noise Free — landing page.
   Direction: late-night radio / record sleeve. Deep espresso paper, cream ink,
   one caramel accent. No gradient glows anywhere — depth comes from grain,
   rules and type weight. Deliberately NOT the sibling app's site (bone paper +
   frequency chart), and deliberately not "dark purple + glow". */

:root {
  --ink: #F2EADF;
  --ink-dim: rgba(242, 234, 223, 0.62);
  --ink-faint: rgba(242, 234, 223, 0.38);
  --paper: #17100D;
  --paper-2: #1F1712;
  --paper-3: #2A1F18;
  --rule: rgba(242, 234, 223, 0.13);
  --accent: #D9A05B;
  --accent-deep: #A86F32;
  --wrap: 1080px;
  --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  /* Subtle grain so the flat brown doesn't read as a CSS default. */
  background-image:
    radial-gradient(circle at 15% 10%, rgba(217, 160, 91, 0.05), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(217, 160, 91, 0.04), transparent 40%);
}

.wrap { width: min(var(--wrap), calc(100% - 44px)); margin-inline: auto; }

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: #EFC183; }

.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: #2A1C16; padding: 10px 16px; border-radius: 8px;
}
.skip:focus { left: 16px; top: 16px; z-index: 99; }

/* ── Masthead ─────────────────────────────────────────── */
.masthead { border-bottom: 1px solid var(--rule); position: sticky; top: 0; z-index: 20;
  background: rgba(23, 16, 13, 0.92); backdrop-filter: blur(10px); }
.masthead__inner { display: flex; align-items: center; gap: 20px; padding: 13px 0; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.brand__icon { border-radius: 9px; display: block; }
.brand__name { font-weight: 650; font-size: 15px; letter-spacing: -0.2px; display: block; }
.brand__meta { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); display: block; }
.masthead__nav { margin-left: auto; display: flex; gap: 24px; }
.masthead__nav a { color: var(--ink-dim); text-decoration: none; font-size: 14px; font-weight: 500; }
.masthead__nav a:hover { color: var(--ink); }
@media (max-width: 760px) { .masthead__nav { display: none; } }

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 22px; border-radius: 11px;
  font-weight: 650; font-size: 15px; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
}
.btn--solid { background: var(--accent); color: #2A1C16; }
.btn--solid:hover { background: #EFC183; color: #2A1C16; }
.btn--ghost { border-color: var(--rule); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink-faint); color: var(--ink); }
.btn--lg { padding: 16px 28px; font-size: 16px; }
.apple { width: 19px; height: 19px; fill: currentColor; }

/* ── Hero ─────────────────────────────────────────────── */
.hero { padding: 84px 0 68px; border-bottom: 1px solid var(--rule); }
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; gap: 44px; } .hero { padding: 52px 0 44px; } }

.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 1.4px; text-transform: uppercase;
  color: var(--accent); margin: 0 0 18px;
}
h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(42px, 6.2vw, 66px); line-height: 1.04; letter-spacing: -1px;
  margin: 0 0 20px;
}
.lede { font-size: 18.5px; color: var(--ink-dim); margin: 0 0 30px; max-width: 33em; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 15px; }
.hero__note { font-size: 13.5px; color: var(--ink-faint); margin: 14px 0 0; }

/* ── The player (signature element) ───────────────────── */
.player {
  background: var(--paper-2); border: 1px solid var(--rule); border-radius: 18px;
  padding: 26px; margin: 0;
}
.player__label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 1.3px; text-transform: uppercase;
  color: var(--ink-faint); margin: 0 0 16px;
}
.scope {
  width: 100%; height: 128px; display: block; border-radius: 10px;
  background: #120C09; border: 1px solid var(--rule);
}
.player__row { display: flex; align-items: center; gap: 15px; margin-top: 18px; }
.player__btn {
  width: 54px; height: 54px; border-radius: 15px; flex: none;
  background: var(--accent); color: #2A1C16; border: none; cursor: pointer;
  display: grid; place-items: center;
}
.player__btn:hover { background: #EFC183; }
.player__btn svg { width: 21px; height: 21px; fill: currentColor; }
.player__meta { flex: 1; min-width: 0; }
.player__name { font-weight: 650; font-size: 15.5px; }
.player__hint { font-size: 12.5px; color: var(--ink-faint); }
.colors { display: flex; gap: 7px; margin-top: 17px; flex-wrap: wrap; }
.chip {
  font-family: var(--mono); font-size: 12px; padding: 7px 13px; border-radius: 8px;
  background: transparent; color: var(--ink-dim); border: 1px solid var(--rule); cursor: pointer;
}
.chip:hover { color: var(--ink); border-color: var(--ink-faint); }
.chip[aria-pressed="true"] { background: var(--accent); color: #2A1C16; border-color: var(--accent); font-weight: 600; }

/* ── Sections ─────────────────────────────────────────── */
section { padding: 74px 0; border-bottom: 1px solid var(--rule); }
h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(30px, 3.9vw, 43px); line-height: 1.1; letter-spacing: -0.6px; margin: 0 0 14px;
}
.section__lede { color: var(--ink-dim); font-size: 17.5px; max-width: 36em; margin: 0 0 38px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 860px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card { background: var(--paper-2); border: 1px solid var(--rule); border-radius: 14px; padding: 24px; }
.card h3 { margin: 0 0 8px; font-size: 17.5px; font-weight: 650; letter-spacing: -0.2px; }
.card p { margin: 0; color: var(--ink-dim); font-size: 15px; }
.card__swatch { width: 42px; height: 42px; border-radius: 11px; margin-bottom: 15px; }
.tag {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.8px; text-transform: uppercase;
  color: var(--accent); display: block; margin-bottom: 7px;
}

/* ── Pricing ──────────────────────────────────────────── */
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
@media (max-width: 860px) { .price-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .price-grid { grid-template-columns: 1fr; } }
.price { background: var(--paper-2); border: 1px solid var(--rule); border-radius: 14px; padding: 22px; }
.price--feat { border-color: var(--accent); background: var(--paper-3); }
.price__name { font-size: 13px; color: var(--ink-dim); font-weight: 600; }
.price__amt { font-family: var(--serif); font-size: 34px; margin: 7px 0 3px; letter-spacing: -0.5px; }
.price__per { font-size: 13.5px; color: var(--ink-faint); }
.price__note { font-size: 12.5px; color: var(--accent); margin-top: 9px; font-weight: 600; }

/* ── FAQ ──────────────────────────────────────────────── */
.faq { border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule); padding: 20px 0; }
.faq summary {
  cursor: pointer; font-weight: 600; font-size: 17px; list-style: none;
  display: flex; justify-content: space-between; gap: 20px; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--accent); font-size: 22px; font-weight: 300; }
.faq details[open] summary::after { content: '−'; }
.faq p { color: var(--ink-dim); margin: 13px 0 0; max-width: 46em; font-size: 16px; }

/* ── Legal / doc pages ────────────────────────────────── */
.doc { padding: 62px 0 84px; }
.doc__wrap { width: min(760px, calc(100% - 44px)); margin-inline: auto; }
.doc h1 { font-size: clamp(34px, 5vw, 46px); margin-bottom: 8px; }
.doc__meta { font-family: var(--mono); font-size: 12.5px; color: var(--ink-faint); margin: 0 0 40px; }
.doc h2 { font-size: 23px; margin: 40px 0 12px; font-family: var(--sans); font-weight: 650; letter-spacing: -0.3px; }
.doc h3 { font-size: 17px; margin: 26px 0 8px; font-weight: 650; }
.doc p, .doc li { color: var(--ink-dim); font-size: 16px; }
.doc ul { padding-left: 22px; }
.doc li { margin-bottom: 7px; }
.doc strong { color: var(--ink); font-weight: 600; }
.callout {
  background: var(--paper-2); border: 1px solid var(--rule); border-left: 3px solid var(--accent);
  border-radius: 10px; padding: 18px 20px; margin: 26px 0;
}
.callout p { margin: 0; }

/* ── Footer ───────────────────────────────────────────── */
footer { padding: 44px 0 56px; }
.footer__inner { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
.footer__links { display: flex; flex-wrap: wrap; gap: 22px; margin-left: auto; }
.footer__links a { color: var(--ink-dim); text-decoration: none; font-size: 14px; }
.footer__links a:hover { color: var(--ink); }
.footer__legal { font-size: 13px; color: var(--ink-faint); margin: 22px 0 0; max-width: 52em; }