/* Masterpiece — home page.
   Self-contained on purpose: no CDN, no fonts fetched, no analytics. The page
   loads from a file:// URL as happily as from a web server, and nobody reading
   about an organ sampler gets tracked for it. The other pages keep style.css. */

:root {
  --canvas: #15171c;
  --surface: #1b1e24;
  --surface-deep: #111317;
  --surface-strong: #242832;
  --ink: #ece9e3;
  --muted: #b3b0a8;
  --subtle: #8d8a83;
  --line: #2e333d;
  --accent: #c8a97e;        /* the warm oak of an organ case */
  --accent-strong: #ddc29b;
  --action: #9c7a4b;
  --action-hover: #b08c5a;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "IBM Plex Sans", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, "IBM Plex Mono",
          monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 56px; }

/* ------------------------------------------------------------ type */

h1, h2, h3 { margin: 0; font-weight: 600; color: var(--ink); }
h1 { font-size: clamp(38px, 4.4vw, 58px); line-height: 1.04; letter-spacing: -0.035em; }
h2 { font-size: clamp(30px, 3.4vw, 44px); line-height: 1.1; letter-spacing: -0.03em; }
h3 { font-size: 18px; line-height: 1.35; letter-spacing: -0.005em; }
.tone { color: var(--accent); }
.lead { margin: 22px 0 0; font-size: 19px; line-height: 1.6; color: var(--muted); max-width: 34em; }
p { margin: 0; color: var(--muted); }
.small { font-size: 14px; color: var(--subtle); }
strong { color: var(--ink); font-weight: 600; }
code { font: 14px var(--mono); color: var(--ink); }

.more { display: inline-flex; gap: 10px; align-items: center; margin-top: 28px; font-weight: 500; }
.more::after { content: "\2192"; transition: transform .15s; }
.more:hover::after { transform: translateX(3px); }

/* ------------------------------------------------------------ buttons */

.buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 3px;
  font-weight: 600; font-size: 16px; color: var(--ink);
  border: 1px solid var(--line); background: var(--surface-strong);
}
.btn:hover { color: var(--ink); border-color: var(--subtle); }
.btn.primary { background: var(--action); border-color: var(--action); color: #fff; }
.btn.primary:hover { background: var(--action-hover); border-color: var(--action-hover); }
.btn svg { width: 18px; height: 18px; }

/* ------------------------------------------------------------ header */

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(21, 23, 28, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 32px; height: 84px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 700; font-size: 21px; letter-spacing: -0.02em; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.brand:hover { color: var(--ink); }
.site-nav { display: flex; gap: 28px; margin-left: auto; }
.site-nav a { color: var(--muted); font-size: 16px; }
.site-nav a:hover { color: var(--ink); }
.site-header .btn { padding: 10px 18px; font-size: 15px; }

/* ------------------------------------------------------------ sections */

section { padding: 104px 0; border-top: 1px solid var(--line); }
section.alt { background: var(--surface); }
section.deep { background: var(--surface-deep); }

.hero {
  border-top: 0; padding: 96px 0 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: -1px -1px;
  position: relative;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(21,23,28,0.55), var(--canvas) 75%);
}
.hero > .wrap { position: relative; }
.hero-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: start; }

/* A screenshot in a frame, with a caption bar beneath it. */
.frame { background: var(--surface-deep); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.frame img { width: 100%; height: auto; }
.frame .bar {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 12px 18px; border-top: 1px solid var(--line);
  font: 14px/1.45 var(--sans); color: var(--muted);
}
.frame .bar a { white-space: nowrap; font-weight: 500; }
.hero .frame { margin-right: -120px; }

/* One organ in both formats, side by side, each labelled over its console. */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 56px; }
.duo .frame { position: relative; margin: 0; }
.duo .tag {
  position: absolute; top: 14px; left: 14px;
  padding: 9px 14px; border: 1px solid var(--line); border-radius: 3px;
  background: rgba(17, 19, 23, 0.86); line-height: 1.35;
}
.duo .tag b { display: block; font-size: 15px; font-weight: 600; color: var(--accent); }
.duo .tag code { font: 12px var(--mono); color: var(--muted); }
.duo-caption { margin-top: 14px; font: 14px/1.5 var(--sans); color: var(--muted); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; margin-top: 88px; padding: 32px 0 64px; border-top: 1px solid var(--line); }
.step h3 { margin: 0 0 6px; }
.step p { font-size: 15px; line-height: 1.55; }

.split { display: grid; grid-template-columns: 5fr 7fr; gap: 72px; align-items: start; }
.split.flip { grid-template-columns: 7fr 5fr; }
.split.flip > :first-child { order: 2; }

.points { list-style: none; margin: 36px 0 0; padding: 0; border-top: 1px solid var(--line); }
.points li { padding: 18px 0; border-bottom: 1px solid var(--line); }
.points h3 { font-size: 16px; }
.points p { font-size: 15px; margin-top: 2px; }

.figures { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 56px; background: var(--line); border: 1px solid var(--line); }
.figure { background: var(--canvas); padding: 28px 28px 30px; }
section.alt .figure { background: var(--surface); }
section.deep .figure { background: var(--surface-deep); }
.figure .value { white-space: nowrap; font-size: clamp(30px, 3vw, 40px); font-weight: 600; letter-spacing: -0.03em; color: var(--ink); line-height: 1.1; }
.figure .value small { font-size: 18px; color: var(--subtle); font-weight: 500; letter-spacing: 0; }
.figure p { margin-top: 8px; font-size: 14px; line-height: 1.5; }


.section-head { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 48px; }
.section-head .more { margin-top: 0; white-space: nowrap; }

/* Numbered rows: number, name, description, arrow. */
.rows { border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 64px 4fr 7fr 24px; gap: 24px; align-items: baseline; padding: 24px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.row .num { font: 13px var(--mono); color: var(--subtle); }
.row h3 { font-size: 19px; }
.row p { font-size: 15px; }
.row .arrow { color: var(--subtle); text-align: right; }
a.row:hover { color: var(--ink); background: linear-gradient(90deg, transparent, rgba(200,169,126,0.05)); }
a.row:hover .arrow { color: var(--accent); }

/* Screenshot cards. */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card .frame { aspect-ratio: 3 / 2; display: flex; align-items: center; justify-content: center; }
.card .frame img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.card .frame.contain img { object-fit: contain; }
.card h3 { margin-top: 18px; }
.card p { margin-top: 4px; font-size: 15px; }
.card video { width: 100%; aspect-ratio: 16 / 10; background: #000; }

/* Specification table. */
/* Numbered notes under a row of figures. */
.figure .value sup { font-size: 0.42em; font-weight: 500; color: var(--accent); margin-left: 3px; vertical-align: super; }
.spec sup { font-size: 0.75em; color: var(--accent); margin-left: 2px; }
.notes { margin: 18px 0 0; padding-left: 20px; font-size: 13px; line-height: 1.55; color: var(--subtle); }
.notes li { margin-top: 6px; padding-left: 4px; }
.notes li::marker { font-size: 12px; color: var(--accent); }

/* A comparison table: one measure per column, the best row lit. */
.compare-wrap { margin-top: 40px; overflow-x: auto; }
.compare { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; }
.compare caption { caption-side: top; text-align: left; padding-bottom: 14px; font-size: 14px; color: var(--muted); }
.compare th { padding: 0 16px 12px 0; text-align: left; font-size: 14px; font-weight: 500; color: var(--subtle); border-bottom: 1px solid var(--line); }
.compare td { padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.compare .num { text-align: right; white-space: nowrap; }
.compare td.num { color: var(--ink); }
.compare tr.best td { color: var(--accent); }
.compare tr.best td:first-child { box-shadow: inset 2px 0 0 var(--accent); padding-left: 12px; }

.spec { width: 100%; border-collapse: collapse; font-size: 15px; }
.spec td { padding: 13px 0; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--muted); }
.spec td:first-child { width: 34%; padding-right: 24px; font-weight: 500; color: var(--subtle); }
.spec tr:first-child td { border-top: 1px solid var(--line); }

pre { margin: 28px 0 0; padding: 18px 22px; background: var(--surface-deep); border: 1px solid var(--line); border-radius: 3px; overflow-x: auto; }
pre code { font-size: 14px; }

.strip { display: grid; grid-template-columns: 4fr 6fr 2fr; gap: 40px; align-items: center; padding: 64px 0; }
.strip h2 { font-size: 30px; }
.strip .more { margin: 0; justify-self: end; }

.credits-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 40px; }
.credits-grid h3 { font-size: 16px; }
.credits-grid p { font-size: 14px; margin-top: 4px; }

/* Platform tiles. */
.platforms { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
/* A tile per system: its name only, and its files when it is opened. */
.platform { background: var(--surface-deep); }
.platform[open] { background: var(--surface); }
.platform summary {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 26px 22px; list-style: none; cursor: pointer;
  font-size: 19px; font-weight: 600; color: var(--ink);
}
.platform summary::-webkit-details-marker { display: none; }
.platform summary::after {
  content: ""; width: 8px; height: 8px; flex: none; margin-top: -4px;
  border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(45deg); transition: transform 0.15s;
}
.platform[open] summary::after { margin-top: 4px; transform: rotate(-135deg); }
.platform summary:hover { color: var(--accent-strong); }
.platform summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.platform .dl { display: flex; flex-direction: column; align-items: start; gap: 10px; padding: 0 22px 26px; }
.platform .dl p { margin-top: 2px; font-size: 13px; line-height: 1.5; color: var(--subtle); }
.platform .dl a { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 500; }
.platform .dl a::before {
  content: ""; width: 14px; height: 14px; flex: none; background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4'%3E%3Cpath d='M12 3v12m0 0-5-5m5 5 5-5M4 19h16'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4'%3E%3Cpath d='M12 3v12m0 0-5-5m5 5 5-5M4 19h16'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* Console gallery: many small frames. */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border: 1px solid var(--line); border-radius: 3px; }
.gallery figcaption { margin-top: 8px; font-size: 14px; color: var(--ink); line-height: 1.4; }
.gallery figcaption span { display: block; font-size: 12px; color: var(--subtle); }
.gallery figcaption span a { color: var(--subtle); }
.gallery figcaption span a:hover { color: var(--accent); }
.gallery img, .card .frame img { cursor: pointer; }

/* Questions and answers, two to a row. */
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; border-top: 1px solid var(--line); }
.qa { padding: 24px 0; border-bottom: 1px solid var(--line); }
.qa h3 { font-size: 17px; }
.qa p { margin-top: 8px; font-size: 15px; line-height: 1.6; color: var(--muted); }

/* A gallery console, centred at half the screen, lifted off the page. */
.zoom { padding: 0; border: 0; background: none; overflow: visible; max-width: none; max-height: none; }
/* The dialog covers the screen and centres the picture both ways; a click on
   the dialog itself is a click outside the picture. */
.zoom[open] {
  position: fixed; inset: 0; width: 100vw; height: 100vh; margin: 0;
  display: flex; flex-direction: column; align-items: center;
}
/* The free height split 35 / 65: the picture sits above the middle, its gap
   overhead 30% smaller than centred. */
.zoom[open]::before { content: ""; flex: 7; }
.zoom[open]::after { content: ""; flex: 13; }
.zoom-frame { position: relative; }
.zoom-caption { margin: 22px 0 0; text-align: center; font-size: 17px; font-weight: 600; color: var(--ink); }
.zoom-caption span { display: block; margin-top: 2px; font-size: 14px; font-weight: 400; color: var(--muted); }
.zoom-caption a { color: var(--accent); }
.zoom::backdrop { background: rgba(8, 9, 12, 0.5); backdrop-filter: blur(3px); }
.zoom img {
  display: block; width: auto; height: auto; max-width: 50vw; max-height: 50vh; border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(200, 169, 126, 0.35),
              0 3px 8px rgba(0, 0, 0, 0.5),
              0 24px 50px rgba(0, 0, 0, 0.7),
              0 60px 140px rgba(0, 0, 0, 0.8),
              0 0 90px rgba(200, 169, 126, 0.22);
}
@media (max-width: 900px) { .zoom img { max-width: 92vw; max-height: 70vh; } }
.zoom-close {
  position: absolute; top: -16px; right: -16px; width: 36px; height: 36px;
  border: 1px solid var(--line); border-radius: 50%; background: var(--surface-strong);
  color: var(--ink); font-size: 22px; line-height: 1; cursor: pointer;
}
.zoom-close:hover { color: var(--accent); }

.closing { text-align: left; padding: 112px 0; }
.closing .buttons { margin-top: 28px; }

/* ------------------------------------------------------------ footer */

.site-footer { border-top: 1px solid var(--line); padding: 64px 0 40px; background: var(--surface-deep); }
.footer-grid { display: grid; grid-template-columns: 5fr 2fr 2fr 2fr; gap: 40px; }
.footer-grid h2 { font-size: 15px; letter-spacing: 0; margin-bottom: 14px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin: 0 0 8px; font-size: 15px; }
.footer-grid li a { color: var(--muted); }
.footer-grid li a:hover { color: var(--ink); }
.legal { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 24px; font-size: 13px; color: var(--subtle); }
.legal a { color: var(--subtle); margin-left: 20px; }

/* ------------------------------------------------------------ narrow */

@media (max-width: 1100px) {
  .hero .frame { margin-right: 0; }
  .site-nav { display: none; }
}
@media (max-width: 900px) {
  .wrap { padding: 0 16px; }
  section { padding: 72px 0; }
  .hero { padding-top: 56px; }
  .hero-grid, .split, .split.flip { grid-template-columns: 1fr; gap: 40px; }
  .split.flip > :first-child { order: 0; }
  .steps { grid-template-columns: 1fr 1fr; margin-top: 56px; }
  .cards, .cards.two { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .figures { grid-template-columns: 1fr; }
  .duo { grid-template-columns: 1fr; margin-top: 40px; }
  .faq { grid-template-columns: 1fr; }
  .platforms { grid-template-columns: 1fr 1fr; }
  .row { grid-template-columns: 40px 1fr 20px; }
  .row p { grid-column: 2 / 3; }
  .strip { grid-template-columns: 1fr; gap: 16px; }
  .strip .more { justify-self: start; }
  .credits-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section-head { flex-direction: column; align-items: start; }
  .site-header .wrap { height: 68px; gap: 16px; }
  .site-header .btn.ghost { display: none; }
  .legal { flex-direction: column; }
  .legal a { margin: 0 16px 0 0; }
}
@media (max-width: 520px) {
  .steps, .gallery, .credits-grid { grid-template-columns: 1fr; }
  .brand span { display: none; }
}