/* Same tokens and components as the app (shared-ui/.../ui/theme): filled surfaces without borders,
   pill buttons, uppercase labels, icon tiles. */

@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url("assets/fonts/inter_regular.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500; font-display: swap; src: url("assets/fonts/inter_medium.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url("assets/fonts/inter_semibold.woff2") format("woff2"); }
@font-face { font-family: "Space Grotesk"; font-weight: 500; font-display: swap; src: url("assets/fonts/space_grotesk_medium.woff2") format("woff2"); }
@font-face { font-family: "Space Grotesk"; font-weight: 700; font-display: swap; src: url("assets/fonts/space_grotesk_bold.woff2") format("woff2"); }

:root {
  --bg: #0F1114;
  --low: #1A1E24;
  --mid: #20252C;
  --high: #272D35;
  --tonal: #2C323B;
  --text: #ECE8E2;
  --muted: #A4AAB4;
  --outline: #3B424C;
  --amber: #F2A541;
  --on-amber: #2A1800;
  --amber-box: #5B3B0B;
  --on-amber-box: #FFDDB0;
  --teal: #62B6B0;
  --teal-box: #17403D;
  --on-teal-box: #CDEEEA;
  --coral: #E07A5F;
  --wave: #6B6660;
  --loop: rgba(242, 165, 65, 0.20);
  --amber-tint: rgba(242, 165, 65, 0.16);
  --teal-tint: rgba(98, 182, 176, 0.16);
  --row-tint: rgba(242, 165, 65, 0.08);
  --display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --wrap: 1120px;
  color-scheme: dark;
}

/* Light theme: the system choice, unless the toggle picked one. */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #FAF6F0; --low: #F4EEE5; --mid: #EEE7DC; --high: #E6DED1; --tonal: #E2D9CC;
    --text: #1C1B19; --muted: #5E5A54; --outline: #D3CABD;
    --amber: #A86400; --on-amber: #FFFFFF; --amber-box: #FFE1B8; --on-amber-box: #3A2300;
    --teal: #2D7C77; --teal-box: #CDEEEA; --on-teal-box: #00201E; --coral: #B0533A; --wave: #B9B0A3;
    --loop: rgba(168, 100, 0, 0.18); --amber-tint: rgba(168, 100, 0, 0.14); --teal-tint: rgba(45, 124, 119, 0.14);
    --row-tint: rgba(168, 100, 0, 0.08);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #FAF6F0; --low: #F4EEE5; --mid: #EEE7DC; --high: #E6DED1; --tonal: #E2D9CC;
  --text: #1C1B19; --muted: #5E5A54; --outline: #D3CABD;
  --amber: #A86400; --on-amber: #FFFFFF; --amber-box: #FFE1B8; --on-amber-box: #3A2300;
  --teal: #2D7C77; --teal-box: #CDEEEA; --on-teal-box: #00201E; --coral: #B0533A; --wave: #B9B0A3;
  --loop: rgba(168, 100, 0, 0.18); --amber-tint: rgba(168, 100, 0, 0.14); --teal-tint: rgba(45, 124, 119, 0.14);
  --row-tint: rgba(168, 100, 0, 0.08);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 17px/1.6 var(--body); letter-spacing: 0.01em; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration-color: color-mix(in srgb, currentColor 40%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
p { margin: 0 0 1em; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; margin: 0; letter-spacing: -0.01em; }
code { font: 500 0.88em/1.4 ui-monospace, "SF Mono", Menlo, Consolas, monospace; background: var(--tonal); padding: 0.15em 0.45em; border-radius: 6px; overflow-wrap: anywhere; }
kbd { font: 600 13px/1 var(--body); display: inline-grid; place-items: center; min-width: 30px; height: 30px; padding: 0 9px; border-radius: 10px; background: var(--tonal); }
.ic { width: 24px; height: 24px; flex: none; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--amber); color: var(--on-amber); padding: 8px 14px; border-radius: 999px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 8px; }

/* Uppercase label, like "PRACTICING", "SPEED", "RECENTLY ADDED". */
.label { font: 600 12px/1.3 var(--body); letter-spacing: 0.09em; text-transform: uppercase; color: var(--muted); }

/* Surfaces: filled, no border. */
.surface { background: var(--low); border-radius: 24px; }
.surface-mid { background: var(--mid); border-radius: 16px; }

/* Buttons: pills, like the Import FAB and the tonal step buttons. */
.btn {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none; cursor: pointer;
  border: 0; border-radius: 999px; padding: 14px 24px; font: 600 16px/1.2 var(--body);
  transition: transform 0.15s ease, filter 0.15s ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn .ic { width: 22px; height: 22px; }
.btn small { display: block; font: 500 12.5px/1.3 var(--body); opacity: 0.8; margin-top: 2px; }
.btn-primary { background: var(--amber); color: var(--on-amber); box-shadow: 0 8px 24px -10px var(--amber); }
.btn-tonal { background: var(--tonal); color: var(--text); }
.btn-outlined { background: transparent; color: var(--amber); box-shadow: inset 0 0 0 1.5px var(--amber); border-radius: 12px; }
.btn-small { padding: 9px 16px; font-size: 14px; }
.btn-paypal { background: #FFC439; color: #111; }

/* Chips, like the preset chips. */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font: 500 14px/1 var(--body); padding: 10px 14px; border-radius: 12px; box-shadow: inset 0 0 0 1px var(--outline); }
.chip.on { background: var(--amber-box); color: var(--on-amber-box); box-shadow: none; }

/* Icon tile, like the track tiles in the library. */
.tile { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; flex: none; background: var(--amber-tint); color: var(--amber); font: 700 17px/1 var(--display); }
.tile.solid { background: var(--amber); color: var(--on-amber); }
.tile.teal { background: var(--teal-tint); color: var(--teal); }

/* Header */
.site-head { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.head-row { display: flex; align-items: center; gap: 16px; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 700 20px/1 var(--display); }
.brand img { width: 32px; height: 32px; }
/* Section links as the app's segmented tabs (Tracks / Playlists). */
.index { display: flex; gap: 2px; margin-left: auto; background: var(--low); border-radius: 999px; padding: 4px; }
.index a { text-decoration: none; color: var(--muted); font: 500 14px/1 var(--body); padding: 10px 14px; border-radius: 999px; }
.index a:hover { background: var(--amber-box); color: var(--on-amber-box); }
.tools { display: flex; align-items: center; gap: 8px; }
.brand + .tools { margin-left: auto; }
.toggle { appearance: none; border: 0; background: var(--low); color: var(--text); height: 40px; min-width: 40px; padding: 0 12px; border-radius: 999px; cursor: pointer; font: 600 13px/1 var(--body); display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.toggle:hover { background: var(--high); }
.toggle svg { width: 18px; height: 18px; }
.toggle .sun { display: none; }
:root[data-theme="light"] .toggle .sun { display: block; }
:root[data-theme="light"] .toggle .moon { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .toggle .sun { display: block; }
  :root:not([data-theme="dark"]) .toggle .moon { display: none; }
}
@media (max-width: 1000px) { .index { display: none; } .tools { margin-left: auto; } }
@media (max-width: 520px) { .head-cta { display: none; } }

/* Hero */
.hero { padding: 64px 0 24px; }
.hero h1 { font-size: clamp(42px, 6.4vw, 76px); line-height: 1.02; letter-spacing: -0.03em; margin: 24px 0 22px; max-width: 14ch; }
.hero h1 em { font-style: normal; color: var(--amber); }
.lede { font-size: clamp(18px, 2vw, 21px); line-height: 1.55; color: var(--muted); max-width: 38em; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 0; }

/* Loop demo, laid out like the player */
.demo { margin-top: 56px; padding: 30px; }
.demo-title { font: 700 30px/1.15 var(--display); }
.demo-sub { color: var(--muted); margin: 4px 0 22px; }
.wave { width: 100%; height: auto; overflow: visible; }
.wave .bar { fill: var(--wave); transition: fill 0.4s ease; }
.wave .bar.in { fill: var(--amber); }
.wave .region { fill: var(--loop); transition: opacity 0.5s ease; }
.wave .mark-a, .wave .flag-a { fill: var(--amber); }
.wave .mark-b, .wave .flag-b { fill: var(--teal); }
.wave .flag-text { font: 700 13px/1 var(--display); fill: var(--on-amber); text-anchor: middle; dominant-baseline: central; }
.wave .flag-text.b { fill: var(--bg); }
.wave .marker { transition: opacity 0.4s ease; }
.wave .head { fill: var(--text); }
.times { display: flex; gap: 18px; font: 600 15px/1 var(--body); font-variant-numeric: tabular-nums; margin: 14px 0 22px; }
.times .end { margin-left: auto; color: var(--muted); }
.times .a { color: var(--amber); }
.times .b { color: var(--teal); }
.readouts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.readout { background: var(--mid); border-radius: 20px; padding: 18px 20px; }
.readout .v { font: 700 40px/1.1 var(--display); margin-top: 10px; font-variant-numeric: tabular-nums; }
.readout.speed .v { color: var(--amber); }
.readout.pitch .v { color: var(--teal); }
.demo-caption { color: var(--muted); margin: 18px 2px 0; min-height: 1.6em; }
@media (max-width: 640px) { .demo { padding: 20px; } .readout .v { font-size: 30px; } .demo-title { font-size: 24px; } }

/* Sections: big title and a muted subtitle, like "Library / 7 tracks, 2 playlists". */
section.block { padding: 88px 0 8px; }
.sec-head { margin-bottom: 32px; }
.sec-head h2 { font-size: clamp(32px, 4.4vw, 50px); line-height: 1.08; letter-spacing: -0.02em; }
.sec-head p { color: var(--muted); font-size: 18px; margin: 8px 0 0; }

/* Features */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.feature { padding: 26px; display: flex; flex-direction: column; gap: 14px; }
.feature-head { display: flex; align-items: center; gap: 14px; }
.feature h3 { font-size: 24px; line-height: 1.2; }
.feature p { color: var(--muted); margin: 0; }
.feature.wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1.25fr; gap: 32px; align-items: center; }
.feature.wide > div { display: flex; flex-direction: column; gap: 14px; }
.feature.flip { grid-template-columns: 1.25fr 1fr; }
.feature .crop { margin: 0; border-radius: 18px; overflow: hidden; background: var(--bg); }
.feature .crop img { width: 100%; height: auto; }
.eq { display: flex; align-items: flex-end; gap: 10px; height: 110px; }
.eq div { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; height: 100%; justify-content: flex-end; }
.eq span { display: block; width: 100%; max-width: 26px; border-radius: 999px; background: var(--amber); }
.eq small { font: 500 11px/1 var(--body); color: var(--muted); }
@media (max-width: 820px) {
  .features { grid-template-columns: 1fr; }
  .feature.wide, .feature.flip { grid-template-columns: 1fr; }
  .feature.flip .crop { order: 2; }
}

/* Screens */
.shots { display: grid; grid-auto-flow: column; grid-auto-columns: min(86%, 900px); gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 24px 24px; margin: 0 -24px; scrollbar-width: thin; }
.shot { scroll-snap-align: center; margin: 0; }
.shot img { width: 100%; height: auto; border-radius: 18px; box-shadow: 0 24px 50px -28px rgba(0, 0, 0, 0.6); }
.shot figcaption { margin-top: 14px; }
.only-light { display: none; }
:root[data-theme="light"] .only-light { display: block; }
:root[data-theme="light"] .only-dark { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .only-light { display: block; }
  :root:not([data-theme="dark"]) .only-dark { display: none; }
}

/* Rows: list items like the library tracks. */
.rows { display: flex; flex-direction: column; gap: 4px; margin: 0; padding: 0; list-style: none; }
.row { display: flex; align-items: center; gap: 14px; padding: 10px 12px; border-radius: 16px; }
.row b { display: block; font-weight: 600; }
.row span { color: var(--muted); font-size: 15px; }
.row:hover { background: var(--row-tint); }

/* All features */
.catalog { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.catalog .surface { padding: 20px 14px 14px; }
.catalog .label { padding: 0 12px 8px; }
.catalog .row { padding: 8px 12px; align-items: flex-start; }
.catalog .row .ic { width: 20px; height: 20px; color: var(--amber); margin-top: 2px; }
@media (max-width: 900px) { .catalog { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .catalog { grid-template-columns: 1fr; } }

/* Download choice on the home page */
.targets { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.target { padding: 28px; display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.target h3 { font-size: 30px; }
.target p { color: var(--muted); margin: 0; }
.target .btn { margin-top: auto; }
.badge { font: 600 12px/1 var(--body); letter-spacing: 0.06em; text-transform: uppercase; padding: 7px 10px; border-radius: 999px; background: var(--teal-box); color: var(--on-teal-box); vertical-align: 6px; margin-left: 8px; }
@media (max-width: 760px) { .targets { grid-template-columns: 1fr; } }

/* Note */
.note-card { display: grid; grid-template-columns: 1fr 1.6fr; gap: 40px; padding: 40px; }
.note-card h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.1; }
.note-card p { font-size: 18px; }
.sign { display: flex; align-items: center; gap: 14px; margin-top: 24px; }
.sign img { width: 52px; height: 52px; border-radius: 50%; }
.sign b { display: block; font-family: var(--display); font-size: 18px; }
.sign a { color: var(--muted); font-size: 15px; }
@media (max-width: 820px) { .note-card { grid-template-columns: 1fr; padding: 26px; gap: 16px; } }

/* FAQ: expandable rows */
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; align-items: start; }
.faq details { background: var(--low); border-radius: 18px; padding: 16px 20px; }
.faq summary { cursor: pointer; font: 600 17px/1.4 var(--body); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { color: var(--muted); transition: transform 0.2s; }
.faq details[open] summary .ic { transform: rotate(180deg); }
.faq details p { color: var(--muted); margin: 10px 0 2px; }
@media (max-width: 820px) { .faq { grid-template-columns: 1fr; } }

/* Closing */
.closing { text-align: center; padding: 100px 0 80px; }
.closing img { width: 96px; height: 96px; margin: 0 auto 22px; }
.closing h2 { font-size: clamp(30px, 4.4vw, 50px); }
.closing .ctas { justify-content: center; }

/* Footer */
.site-foot { padding: 40px 0 48px; font-size: 14px; color: var(--muted); }
.site-foot .surface { padding: 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
.site-foot b { color: var(--text); font-weight: 600; display: block; margin-bottom: 8px; }
.site-foot a { color: var(--muted); }
.site-foot a:hover { color: var(--text); }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin: 5px 0; }
.legal { margin-top: 22px; font-size: 12.5px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 0 4px; }
@media (max-width: 720px) { .foot-grid { grid-template-columns: 1fr; } }

/* Article pages: download, why it is free, details */
.article { max-width: 760px; margin: 0 auto; padding: 48px 24px 24px; }
.back { display: inline-flex; gap: 6px; align-items: center; color: var(--muted); text-decoration: none; font-size: 15px; margin-bottom: 22px; padding: 8px 14px 8px 8px; border-radius: 999px; background: var(--low); }
.back .ic { width: 20px; height: 20px; transform: rotate(90deg); }
.back:hover { color: var(--text); }
.article h1 { font-size: clamp(36px, 5.4vw, 56px); line-height: 1.05; letter-spacing: -0.025em; margin-bottom: 20px; }
.article > p, .article section > p { font-size: 18.5px; line-height: 1.65; }
.article h2 { font-size: clamp(26px, 3.2vw, 34px); line-height: 1.15; margin: 56px 0 16px; }
.article .meta { color: var(--muted); font-size: 15px; }
.panel { padding: 22px; margin: 14px 0; }
.panel > .label { display: block; padding: 0 12px 6px; }
.panel .row { align-items: flex-start; }
.panel .row .tile { width: 40px; height: 40px; border-radius: 12px; font-size: 15px; }
.panel .row p { margin: 2px 0 0; color: var(--muted); font-size: 15.5px; }
.panel .cost { color: var(--amber); font-weight: 600; white-space: nowrap; }
.callout { background: var(--amber-tint); border-radius: 20px; padding: 20px 22px; margin: 16px 0; }
.callout.teal { background: var(--teal-tint); }
.callout p { margin: 0 0 0.6em; } .callout p:last-child { margin: 0; }
.callout b { font-family: var(--display); }
.get { padding: 28px; margin: 22px 0; display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; }
.get .req { color: var(--muted); margin: 4px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
details.terminal { margin: 6px 0 0; padding: 0 12px; }
details.terminal summary { cursor: pointer; color: var(--muted); font-weight: 600; }
details.terminal pre { white-space: pre-wrap; background: var(--mid); padding: 12px 14px; border-radius: 12px; margin: 10px 0; }
details.terminal pre code { background: none; padding: 0; }
.donate { margin: 40px 0 20px; padding: 32px; text-align: center; }
.donate .btn { font-size: 17px; padding: 15px 30px; }
.donate p { color: var(--muted); font-size: 14px; margin: 16px auto 0; max-width: 32em; }
.sum { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 18px 0; }
.sum div { padding: 18px; }
.sum b { display: block; font: 700 28px/1.15 var(--display); color: var(--amber); font-variant-numeric: tabular-nums; }
.sum span { font-size: 14px; color: var(--muted); }
@media (max-width: 620px) { .sum { grid-template-columns: 1fr; } }
.table-wrap { overflow-x: auto; padding: 10px; }
table.compare { width: 100%; border-collapse: separate; border-spacing: 0 4px; font-size: 15px; line-height: 1.45; min-width: 640px; }
.compare th, .compare td { text-align: left; vertical-align: top; padding: 12px; }
.compare thead th { padding-bottom: 4px; }
.compare tbody th { font-family: var(--display); font-size: 16.5px; white-space: nowrap; }
.compare tbody tr > :first-child { border-radius: 14px 0 0 14px; }
.compare tbody tr > :last-child { border-radius: 0 14px 14px 0; }
.compare tr.it > * { background: var(--amber-tint); }
.compare td.good { color: var(--teal); font-weight: 600; }
.compare td.bad { color: var(--coral); font-weight: 600; }
.sources { font-size: 14px; color: var(--muted); }
.sources ol { padding-left: 22px; } .sources li { margin: 4px 0; overflow-wrap: anywhere; }
.sources a { color: var(--muted); }
.disclaimer { font-size: 14px; color: var(--muted); margin-top: 36px; }
.list { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.list li { display: flex; gap: 14px; padding: 10px 12px; border-radius: 16px; line-height: 1.5; }
.list li::before { content: ""; flex: none; width: 10px; height: 10px; border-radius: 4px; background: var(--amber); margin-top: 8px; }
.list li:hover { background: var(--row-tint); }
.sum .surface { padding: 18px; }
.compare thead th { font: inherit; }
.shot { background: var(--low); padding: 12px; border-radius: 28px; }
.shot img { box-shadow: none; }
.shot figcaption { padding: 0 8px 4px; }