/* ============================================================
   Resonode — resonode.io
   Looks like 1983. Distributes like 1994.
   Palette lifted from the app icon: charcoal panel, amber+teal cables.
   ============================================================ */

:root {
  --bg:      #101116;
  --bg2:     #14151b;
  --panel:   #1a1c23;
  --panel2:  #22242c;
  --well:    #0c0d11;
  --line:    #2c2e36;
  --line2:   #3a3d46;

  --ink:     #ece5d8;   /* warm silkscreen cream */
  --muted:   #a49e90;
  --dim:     #6e6a60;

  --amber:   #e8a33d;
  --amber-hi:#f5b954;
  --teal:    #3f9e9a;
  --red:     #e0533f;
  --yellow:  #e5c84e;
  --purple:  #9a7fd1;
  --blue:    #5d8fc9;
  --green:   #7fae57;
  --pink:    #c96a9d;

  --font-display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --font-mono: "IBM Plex Mono", "Menlo", monospace;
  --font-body: "IBM Plex Sans", "Helvetica Neue", sans-serif;

  --radius: 10px;
  --container: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--amber); color: #17181d; }

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-hi); }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

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

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.02; text-transform: uppercase; letter-spacing: 0.005em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 11px; height: 11px;
  border-radius: 50%;
  border: 3px solid var(--amber);
  background: var(--well);
  flex: none;
}
.eyebrow.teal { color: var(--teal); }
.eyebrow.teal::before { border-color: var(--teal); }
.eyebrow.red { color: var(--red); }
.eyebrow.red::before { border-color: var(--red); }

.lead { font-size: 20px; color: var(--muted); max-width: 62ch; }
.lead strong, p strong { color: var(--ink); font-weight: 600; }

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 30px;
  height: 66px;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-transform: uppercase;
}
.wordmark:hover { color: var(--ink); }
.wordmark img { width: 30px; height: 30px; display: block; }
.wordmark .beta {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: 4px;
  padding: 2px 7px;
  transform: translateY(-1px);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
/* text links only — .btn keeps its own colours (higher specificity here would
   otherwise override the amber button's dark label, making it unreadable) */
.nav-links a:not(.btn) { color: var(--muted); }
.nav-links a:not(.btn):hover { color: var(--ink); }

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 15px 26px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.btn-primary {
  background: var(--amber);
  color: #17181d;
  box-shadow: 0 4px 0 #a06a1a;
}
.btn-primary:hover {
  background: var(--amber-hi);
  color: #17181d;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #a06a1a;
}
.btn-primary:active { transform: translateY(2px); box-shadow: 0 2px 0 #a06a1a; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line2);
}
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }
.btn-sm { padding: 9px 16px; font-size: 12px; }

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding: 84px 0 60px;
  background:
    radial-gradient(1100px 480px at 78% -10%, color-mix(in srgb, var(--teal) 9%, transparent), transparent 65%),
    radial-gradient(900px 500px at 8% 108%, color-mix(in srgb, var(--amber) 7%, transparent), transparent 60%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 10fr) minmax(0, 9fr);
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(56px, 7.2vw, 96px);
  font-weight: 800;
  margin: 0 0 22px;
}
.hero h1 .accent { color: var(--amber); }
.hero .lead { margin-bottom: 26px; }

.shareware-strip {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  border-left: 3px solid var(--amber);
  background: color-mix(in srgb, var(--amber) 6%, transparent);
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 30px;
  max-width: 58ch;
}
.shareware-strip b { color: var(--amber); font-weight: 600; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 16px; }

.fine-print {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--dim);
}
.fine-print a { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.fine-print a:hover { color: var(--ink); }

/* ---------- patch demo (hero SVG) ---------- */

.patch-demo { position: relative; }
.patch-demo svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 24px 48px rgba(0,0,0,0.5));
}
.patch-demo .hear {
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  white-space: nowrap;
}
.patch-demo .hear .stop-label { display: none; }
.patch-demo .hear[aria-pressed="true"] { background: var(--red); box-shadow: 0 4px 0 #8f2c1e; }
.patch-demo .hear[aria-pressed="true"]:hover { background: #ea6b58; box-shadow: 0 6px 0 #8f2c1e; }
.patch-demo .hear[aria-pressed="true"] .play-label { display: none; }
.patch-demo .hear[aria-pressed="true"] .stop-label { display: inline; }

/* SVG internals */
.patch-demo text {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  fill: var(--muted);
}
.cable { fill: none; stroke-linecap: round; }
.step-led { transition: fill 0.06s linear; }

@keyframes knob-wobble {
  0%   { transform: rotate(-38deg); }
  50%  { transform: rotate(34deg); }
  100% { transform: rotate(-38deg); }
}
.playing .knob-cutoff { animation: knob-wobble 2.4s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }

@keyframes meter-dance {
  0% { transform: scaleY(0.2); } 18% { transform: scaleY(0.95); } 40% { transform: scaleY(0.45); }
  60% { transform: scaleY(0.8); } 78% { transform: scaleY(0.3); } 100% { transform: scaleY(0.2); }
}
.meter-bar { transform: scaleY(0.15); transform-origin: bottom; transform-box: fill-box; transition: transform 0.3s ease; }
.playing .meter-bar { animation: meter-dance 0.5s ease-in-out infinite; }
.playing .meter-bar.m2 { animation-delay: 0.12s; animation-duration: 0.62s; }

@keyframes lfo-scroll { to { stroke-dashoffset: -104; } }
.lfo-trace { stroke-dasharray: 104; }
.playing .lfo-trace { animation: lfo-scroll 2.4s linear infinite; }

/* ---------- marquee ---------- */

.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg2);
  overflow: hidden;
  padding: 13px 0;
}
.marquee-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: marquee 36s linear infinite;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}
.marquee-track span { padding: 0 18px; }
.marquee-track .tick { color: var(--amber); }
@keyframes marquee { to { transform: translateX(-50%); } }

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

section { padding: 96px 0; }
section.alt { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head h2 { font-size: clamp(38px, 4.6vw, 60px); margin-bottom: 18px; }
.section-head .lead { font-size: 18px; }

/* ---------- cards ---------- */

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 18px; }

.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px 24px;
}
/* corner screws */
.card::before, .card::after {
  content: "";
  position: absolute;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #4a4d57, #23242b 70%);
  box-shadow: inset 0 -1px 1px rgba(0,0,0,0.7);
}
.card::before { top: 9px; left: 9px; }
.card::after { bottom: 9px; right: 9px; }

.card h3 {
  font-size: 22px;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card p { font-size: 15.5px; color: var(--muted); }
.card p code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--well);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 6px;
  color: var(--yellow);
}
.card .chip-lamp {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex: none;
  box-shadow: 0 0 8px currentColor;
}

/* ---------- module category panels ---------- */

.mod-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }

.mod-cat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.mod-cat header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--panel2);
}
.mod-cat header .swatch { width: 12px; height: 12px; border-radius: 3px; flex: none; }
.mod-cat header h3 { font-size: 19px; letter-spacing: 0.06em; }
.mod-cat header .count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--dim);
  border: 1px solid var(--line2);
  border-radius: 20px;
  padding: 2px 9px;
}
.mod-cat ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 16px 18px 18px;
}
.mod-cat li {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--muted);
  background: var(--well);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 10px;
}

/* ---------- app screenshots ---------- */

.screen-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 48px;
}
.screen-grid figure.wide { grid-column: 1 / -1; }
figure.screen {
  margin: 0;
  border: 1px solid var(--line2);
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 26px 60px rgba(0,0,0,0.45);
}
figure.screen a { display: block; }
figure.screen img { display: block; width: 100%; height: auto; }
figure.screen figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 11px 16px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
figure.screen figcaption .zoom { color: var(--dim); flex: none; }
@media (max-width: 720px) {
  .screen-grid { grid-template-columns: 1fr; }
}

/* ---------- module chip lists (outside the category grid) ---------- */

.chip-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
  padding: 0;
}
.chip-list li {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--muted);
  background: var(--well);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 10px;
}

/* ---------- DAW mock (plugin section) ---------- */

.daw-mock {
  background: var(--panel);
  border: 1px solid var(--line2);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
  font-family: var(--font-mono);
  font-size: 13.5px;
}
.daw-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  background: var(--panel2);
  border-bottom: 1px solid var(--line);
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.daw-bar .dots { letter-spacing: 2px; color: var(--line2); }
.daw-bar .tempo { margin-left: auto; color: var(--muted); }
.daw-bar .play { color: var(--green); }
.daw-track {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.daw-track:last-child { border-bottom: none; }
.daw-track .num { width: 18px; color: var(--dim); flex: none; }
.daw-track .led { width: 8px; height: 8px; border-radius: 50%; background: #2a2c34; flex: none; }
.daw-track .fmt {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.1em;
  border: 1px solid var(--line2);
  border-radius: 4px;
  padding: 2px 9px;
  color: var(--dim);
  flex: none;
}
.daw-track.hot { background: color-mix(in srgb, var(--amber) 7%, transparent); color: var(--ink); }
.daw-track.hot .led { background: var(--green); box-shadow: 0 0 8px var(--green); }
.daw-track.hot .fmt { border-color: var(--amber); color: var(--amber); }

/* ---------- stage (performance features) ---------- */

section.stage {
  background:
    radial-gradient(760px 380px at 50% -5%, color-mix(in srgb, var(--amber) 10%, transparent), transparent 70%),
    #0b0c10;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stage .card { background: #171920; }
.new-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: 4px;
  padding: 2px 7px;
  margin-left: auto;
  flex: none;
}

/* fake patch-as-text blob */
.patch-blob {
  color: var(--dim);
  word-break: break-all;
  line-height: 1.55;
}
.patch-blob .head { color: var(--teal); }

/* ---------- themes ---------- */

.theme-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-bottom: 26px; }
.theme-chip {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
.theme-chip .strip { display: flex; height: 58px; }
.theme-chip .strip i { flex: 1; }
.theme-chip figcaption {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 9px 12px;
  border-top: 1px solid var(--line);
}

/* ---------- shareware / register ---------- */

.txtfile {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--well);
  border: 1px solid var(--line2);
  border-radius: var(--radius);
  padding: 26px 30px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}
.txtfile .bar {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dim);
  border-bottom: 1px dashed var(--line2);
  padding-bottom: 12px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.txtfile .bar::before { content: "▓▓"; color: var(--amber); letter-spacing: 0; }
.txtfile p { margin-bottom: 14px; color: var(--muted); }
.txtfile p:last-child { margin-bottom: 0; }
.txtfile .hl { color: var(--amber); }
.txtfile .cursor {
  display: inline-block;
  width: 9px; height: 17px;
  background: var(--amber);
  vertical-align: -3px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

.perks { list-style: none; display: grid; gap: 14px; margin: 26px 0 30px; }
.perks li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 15px 18px;
  font-size: 15.5px;
  color: var(--muted);
}
.perks li b { color: var(--ink); font-weight: 600; }
.perks .jack {
  flex: none;
  width: 15px; height: 15px;
  margin-top: 4px;
  border-radius: 50%;
  border: 4px solid var(--amber);
  background: var(--well);
}

.price-card {
  background: var(--panel);
  border: 1px solid var(--line2);
  border-radius: 14px;
  padding: 40px 38px;
  text-align: center;
  position: relative;
  box-shadow: 0 30px 70px rgba(0,0,0,0.4);
}
.price-card .tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 10px;
}
.price-card .price {
  font-family: var(--font-display);
  font-size: 96px;
  font-weight: 800;
  line-height: 1;
  color: var(--ink);
}
.price-card .price small {
  font-size: 26px;
  color: var(--dim);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.price-card .once {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 26px;
}
.price-card .note {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--dim);
  line-height: 1.6;
}
.price-card .note b { color: var(--yellow); font-weight: 600; }

/* ---------- FAQ ---------- */

.faq { max-width: 820px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 20px;
  font-weight: 600;
  font-size: 16.5px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--amber);
  font-size: 20px;
  width: 18px;
  flex: none;
  text-align: center;
  transition: transform 0.15s ease;
}
.faq details[open] summary::before { transform: rotate(45deg); }
.faq details p { padding: 0 20px 18px 52px; color: var(--muted); font-size: 15.5px; }
.faq details p + p { margin-top: -6px; }
.faq details ul {
  list-style: none;
  padding: 0 20px 14px 52px;
  display: grid;
  gap: 9px;
  color: var(--muted);
  font-size: 15.5px;
}
.faq details ul li { display: flex; gap: 12px; align-items: flex-start; }
.faq details ul li::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-radius: 50%;
  border: 2.5px solid var(--amber);
  background: var(--well);
}
.faq details ul b { color: var(--ink); font-weight: 600; }
.faq details ul + p { margin-top: 0; }

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

footer {
  border-top: 1px solid var(--line);
  background: var(--bg2);
  padding: 54px 0 40px;
}
.footer-grid { display: flex; flex-wrap: wrap; gap: 40px; align-items: flex-start; justify-content: space-between; }
.footer-grid .wordmark { font-size: 20px; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 12px;
}
.footer-col ul { list-style: none; display: grid; gap: 8px; font-size: 14.5px; }
.footer-col a { color: var(--muted); }
.footer-col a:hover { color: var(--ink); }
.colophon {
  margin-top: 42px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--dim);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}

/* ---------- responsive ---------- */

@media (max-width: 940px) {
  .hero-grid, .split { grid-template-columns: 1fr; gap: 44px; }
  .patch-demo { max-width: 560px; margin: 0 auto; }
  section { padding: 72px 0; }
  .nav-links { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track,
  .playing .knob-cutoff,
  .playing .meter-bar,
  .playing .lfo-trace,
  .txtfile .cursor { animation: none !important; }
  .btn { transition: none; }
}