/* =====================================================================
   VibePlugin — product site
   Dark, boutique audio-hardware aesthetic. Palette mirrors the plugin GUI
   (ui/shell.css): near-black surfaces, off-white ink, one blue accent + a
   violet support tone. No external fonts/requests — system stack only.
   ===================================================================== */

:root {
  --bg:        #0a0b0e;
  --bg-2:      #0d0f13;
  --surface:   #14161c;
  --surface-2: #191c24;
  --line:      rgba(255,255,255,.08);
  --line-2:    rgba(255,255,255,.13);
  --ink:       #eceef3;
  --ink-2:     #c2c8d4;
  --muted:     #79818f;
  --accent:    #4f8dff;
  --accent-2:  #9d7bff;
  --ok:        #46d39a;
  --warn:      #f0b955;
  --danger:    #e5687a;

  --r:   10px;
  --r-lg:16px;
  --maxw:1120px;

  --sans: ui-sans-serif, -apple-system, "Segoe UI", system-ui, Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Ambient gradient + grain on the page background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1100px 700px at 78% -8%, rgba(79,141,255,.16), transparent 60%),
    radial-gradient(900px 650px at 8% 4%, rgba(157,123,255,.12), transparent 55%),
    linear-gradient(180deg, var(--bg-2), var(--bg) 40%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: .035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}

.muted { color: var(--muted); }
.accent { color: var(--accent); }

/* ----------------------------------------------------------------- nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(14px);
  background: rgba(10,11,14,.66);
  border-bottom: 1px solid var(--line);
}
.nav .wrap {
  display: flex;
  align-items: center;
  gap: 18px;
  height: 62px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; letter-spacing: .2px; }
.brand .mark { width: 26px; height: 26px; }
.brand b { font-weight: 700; }
.brand .tag {
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line-2); padding: 2px 6px; border-radius: 999px;
}
.nav .spacer { flex: 1; }
.nav .links { display: flex; gap: 6px; align-items: center; }
.nav .links a {
  color: var(--ink-2); font-size: 14px; padding: 8px 12px; border-radius: 8px;
  transition: color .15s, background .15s;
}
.nav .links a:hover { color: var(--ink); background: var(--surface); }
.nav-toggle { display: none; }

@media (max-width: 760px) {
  .nav .links { display: none; }
}

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font: inherit; font-size: 15px; font-weight: 600;
  padding: 11px 20px; border-radius: var(--r);
  border: 1px solid var(--line-2); background: var(--surface); color: var(--ink);
  cursor: pointer; transition: transform .12s, background .15s, border-color .15s, box-shadow .15s;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); border-color: var(--line-2); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 18px; height: 18px; }
.btn.primary {
  background: linear-gradient(180deg, #5c98ff, var(--accent));
  border-color: transparent; color: #fff;
  box-shadow: 0 6px 22px -8px rgba(79,141,255,.7);
}
.btn.primary:hover { box-shadow: 0 10px 30px -8px rgba(79,141,255,.85); }
.btn.ghost { background: transparent; }
.btn.lg { padding: 14px 26px; font-size: 16px; }

/* ------------------------------------------------------------------ hero */
/* full first screen: compact title block on top, the live synth fills the rest */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 70px 0 24px;
  display: flex; flex-direction: column;
}
.hero-head { text-align: center; flex: 0 0 auto; }
.hero h1 {
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.03;
  letter-spacing: -.02em;
  margin: 10px 0 12px;
  font-weight: 720;
}
.hero h1 .grad {
  background: linear-gradient(100deg, #6ea2ff 0%, #9d7bff 60%, #c4a6ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: clamp(14px, 1.7vw, 17px); color: var(--ink-2); max-width: 58ch; margin: 0 auto; }
.hero .cta { display: flex; gap: 12px; margin: 18px 0 2px; flex-wrap: wrap; justify-content: center; }

/* the live synth stage — fills the first screen under the title, and is tall
   enough to show the whole synth (3-osc rack + LFO matrix + FX) with no inner
   scroll; on shorter windows the page itself scrolls to reveal the lower rack. */
/* flex:1 0 auto (shrink 0) so the stage never collapses below the synth's own
   height — otherwise the tall synth overflows the hero and overlaps the section
   below it. It still grows to fill the first screen on taller viewports. */
.hero-stage { flex: 1 0 auto; display: flex; margin-top: 22px; }
.hero-synth {
  flex: 1 1 auto; min-height: 1600px;
  display: flex; flex-direction: column;
  padding: 0; overflow: hidden;
}
.hero-synth .bar { flex: 0 0 auto; }
.hero-synth .bar-link { margin-left: auto; font-size: 12.5px; color: var(--muted); }
.hero-synth .bar-link:hover { color: var(--ink-2); }
.hero-synth iframe {
  flex: 1 1 0; min-height: 0;
  display: block; width: 100%; border: 0; background: #14161c;
}

/* hero visual: faux plugin panel + animated waveform */
.panel {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, var(--surface), #0f1116);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.05);
  overflow: hidden;
}
.panel .bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.02);
}
.panel .bar .d { width: 10px; height: 10px; border-radius: 50%; background: #2a2f3a; }
.panel .bar .title { margin-left: 8px; font-size: 12.5px; color: var(--muted); font-family: var(--mono); }
.panel .body { padding: 18px; }
.panel canvas { width: 100%; height: 120px; display: block; border-radius: 8px; background: #07080b; border: 1px solid var(--line); }
.panel .knobs { display: flex; gap: 16px; margin-top: 16px; }
.knob { flex: 1; text-align: center; }
.knob .dial {
  width: 56px; height: 56px; margin: 0 auto 8px; border-radius: 50%;
  background: radial-gradient(circle at 50% 38%, #232733, #0f1218 70%);
  border: 1px solid var(--line-2); position: relative;
  box-shadow: inset 0 2px 4px rgba(0,0,0,.6), 0 1px 0 rgba(255,255,255,.04);
}
.knob .dial::after {
  content: ""; position: absolute; left: 50%; top: 8px; width: 2px; height: 16px;
  background: var(--accent); transform-origin: 50% 20px; border-radius: 2px;
  box-shadow: 0 0 6px var(--accent);
}
.knob:nth-child(1) .dial::after { transform: translateX(-50%) rotate(-38deg); }
.knob:nth-child(2) .dial::after { transform: translateX(-50%) rotate(20deg); }
.knob:nth-child(3) .dial::after { transform: translateX(-50%) rotate(64deg); accent-color: var(--accent-2); background: var(--accent-2); box-shadow: 0 0 6px var(--accent-2); }
.knob label { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.panel .prompt {
  margin-top: 16px; font-family: var(--mono); font-size: 12.5px; color: var(--ink-2);
  background: #07080b; border: 1px solid var(--line); border-radius: 8px; padding: 11px 13px;
}
.panel .prompt .cur { color: var(--accent); }

@media (max-width: 860px) {
  .hero { padding: 64px 0 18px; min-height: auto; }
  .hero-stage { min-height: 70vh; margin-top: 20px; }
}

/* --------------------------------------------------------------- sections */
section { padding: 76px 0; }
.section-head { max-width: 60ch; margin-bottom: 44px; }
.section-head h2 {
  font-size: clamp(27px, 4vw, 40px); letter-spacing: -.02em; margin: 12px 0 14px; font-weight: 700;
}
.section-head p { font-size: 17px; color: var(--ink-2); margin: 0; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step {
  position: relative; padding: 28px 24px; border-radius: var(--r-lg);
  border: 1px solid var(--line); background: linear-gradient(180deg, var(--surface), rgba(20,22,28,.4));
}
.step .n {
  font-family: var(--mono); font-size: 13px; color: var(--accent);
  border: 1px solid var(--line-2); border-radius: 8px; width: 34px; height: 34px;
  display: grid; place-items: center; margin-bottom: 16px;
}
.step h3 { margin: 0 0 8px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* feature grid */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature {
  padding: 26px 24px; border-radius: var(--r-lg); border: 1px solid var(--line);
  background: var(--surface); transition: border-color .2s, transform .2s, background .2s;
}
.feature:hover { border-color: var(--line-2); transform: translateY(-3px); background: var(--surface-2); }
.feature .ic {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; margin-bottom: 16px;
  background: rgba(79,141,255,.12); color: var(--accent); border: 1px solid rgba(79,141,255,.25);
}
.feature .ic svg { width: 21px; height: 21px; }
.feature h3 { margin: 0 0 8px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* products */
.products { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.product {
  padding: 32px; border-radius: var(--r-lg); border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface), #0f1116); position: relative; overflow: hidden;
}
.product::before {
  content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background: radial-gradient(420px 200px at 90% -20%, var(--glow), transparent 70%);
}
.product.fx   { --glow: rgba(79,141,255,.22); }
.product.synth{ --glow: rgba(157,123,255,.22); }
.product .kind { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.product h3 { font-size: 26px; margin: 8px 0 10px; }
.product p { color: var(--ink-2); margin: 0 0 18px; }
.product ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.product li { display: flex; gap: 10px; font-size: 14.5px; color: var(--muted); }
.product li svg { width: 18px; height: 18px; color: var(--accent); flex: none; margin-top: 2px; }

/* tech strip */
.tech { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tech .chip {
  font-family: var(--mono); font-size: 13px; color: var(--ink-2);
  border: 1px solid var(--line); background: var(--surface); padding: 9px 15px; border-radius: 999px;
}
.tech .chip b { color: var(--ink); }

/* cta band */
.cta-band {
  text-align: center; border-radius: var(--r-lg); padding: 60px 30px;
  border: 1px solid var(--line-2);
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(79,141,255,.18), transparent 70%),
    linear-gradient(180deg, var(--surface), #0e1015);
}
.cta-band h2 { font-size: clamp(26px, 4vw, 38px); margin: 0 0 12px; letter-spacing: -.02em; }
.cta-band p { color: var(--ink-2); margin: 0 auto 26px; max-width: 48ch; }

/* ----------------------------------------------- depth strip ("not 4 knobs") */
.depth { padding: 46px 0 10px; }
.depth-lead { text-align: center; font-size: clamp(17px, 2.3vw, 23px); color: var(--ink);
  max-width: 56ch; margin: 0 auto 30px; letter-spacing: -.01em; }
.depth-lead strong { color: var(--accent); }
.depth-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 46px; margin: 0 auto 30px; }
.depth-stats div { text-align: center; min-width: 84px; }
.depth-stats b { display: block; font-size: clamp(36px, 6vw, 58px); font-weight: 760; line-height: 1; letter-spacing: -.03em;
  background: linear-gradient(170deg, #d6e4ff, var(--accent) 55%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.depth-stats span { display: block; margin-top: 7px; font-family: var(--mono); font-size: 11px;
  letter-spacing: .15em; text-transform: uppercase; color: var(--muted); }
.depth-foot { text-align: center; max-width: 72ch; margin: 0 auto; color: var(--ink-2); font-size: 15.5px; }
.depth-foot strong { color: var(--ink); }

/* --------------------------------------------------- intelligence band */
.intel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.intel-card {
  position: relative; padding: 30px 26px; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line-2); background: linear-gradient(180deg, var(--surface-2), #0f1116);
  transition: transform .2s, border-color .2s;
}
.intel-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.2); }
.intel-card::before { content: ""; position: absolute; inset: 0; opacity: .8; pointer-events: none;
  background: radial-gradient(360px 150px at 50% -30%, rgba(79,141,255,.16), transparent 70%); }
.intel-card:nth-child(2)::before { background: radial-gradient(360px 150px at 50% -30%, rgba(157,123,255,.18), transparent 70%); }
.intel-card:nth-child(3)::before { background: radial-gradient(360px 150px at 50% -30%, rgba(70,211,154,.15), transparent 70%); }
.intel-card .ic { position: relative; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  margin-bottom: 18px; background: rgba(79,141,255,.12); color: var(--accent); border: 1px solid rgba(79,141,255,.28); }
.intel-card:nth-child(2) .ic { background: rgba(157,123,255,.12); color: var(--accent-2); border-color: rgba(157,123,255,.28); }
.intel-card:nth-child(3) .ic { background: rgba(70,211,154,.12); color: var(--ok); border-color: rgba(70,211,154,.28); }
.intel-card .ic svg { width: 24px; height: 24px; }
.intel-card h3 { position: relative; margin: 0 0 9px; font-size: 19px; }
.intel-card p { position: relative; margin: 0; color: var(--ink-2); font-size: 15px; }

/* ------------------------------------------------------------- downloads */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dl-card {
  position: relative; padding: 30px 26px; border-radius: var(--r-lg);
  border: 1px solid var(--line); background: var(--surface);
  transition: border-color .2s, transform .2s; display: flex; flex-direction: column;
}
.dl-card.current { border-color: rgba(79,141,255,.5); box-shadow: 0 0 0 1px rgba(79,141,255,.3), 0 20px 50px -25px rgba(79,141,255,.5); }
.dl-card .badge {
  position: absolute; top: -11px; left: 26px; font-size: 11px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: #fff; background: var(--accent); padding: 4px 10px; border-radius: 999px;
}
.dl-card .os-ic { width: 42px; height: 42px; color: var(--ink); margin-bottom: 16px; }
.dl-card h3 { margin: 0 0 4px; font-size: 21px; }
.dl-card .sub { color: var(--muted); font-size: 13.5px; margin-bottom: 20px; }
.dl-card .assets { display: grid; gap: 10px; margin-top: auto; }
.dl-asset {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2);
  transition: border-color .15s, background .15s;
}
.dl-asset:hover { border-color: var(--accent); background: var(--surface-2); }
.dl-asset .ai { width: 18px; height: 18px; color: var(--accent); flex: none; }
.dl-asset .nm { font-weight: 600; font-size: 14px; }
.dl-asset .mi { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.dl-asset .spacer { flex: 1; }
.dl-soon {
  padding: 14px; border: 1px dashed var(--line-2); border-radius: 10px; color: var(--muted);
  font-size: 13.5px; text-align: center; margin-top: auto;
}
.tabnum { font-variant-numeric: tabular-nums; }

/* release list */
.rel-list { display: grid; gap: 14px; }
.rel {
  border: 1px solid var(--line); border-radius: var(--r); background: var(--surface);
  padding: 18px 22px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.rel .ver { font-family: var(--mono); font-weight: 700; color: var(--ink); font-size: 15px; }
.rel .when { color: var(--muted); font-size: 13px; }
.rel .tags { display: flex; gap: 8px; flex-wrap: wrap; }
.rel .tags a {
  font-size: 12.5px; font-family: var(--mono); color: var(--ink-2);
  border: 1px solid var(--line-2); padding: 5px 10px; border-radius: 8px; transition: border-color .15s, color .15s;
}
.rel .tags a:hover { color: var(--ink); border-color: var(--accent); }
.rel .spacer { flex: 1; }

.notice {
  border: 1px solid var(--line); border-left: 3px solid var(--warn); border-radius: 10px;
  background: rgba(240,185,85,.05); padding: 16px 20px; color: var(--ink-2); font-size: 14px;
}
.notice b { color: var(--ink); }
.notice code { font-family: var(--mono); font-size: 12.5px; background: var(--bg-2); padding: 2px 6px; border-radius: 5px; border: 1px solid var(--line); }

.loading { color: var(--muted); font-size: 14px; display: flex; align-items: center; gap: 10px; }
.spin { width: 16px; height: 16px; border: 2px solid var(--line-2); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* footer */
footer { border-top: 1px solid var(--line); padding: 44px 0; margin-top: 40px; }
footer .wrap { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
footer .muted { font-size: 13.5px; }
footer .spacer { flex: 1; }
footer a.f { color: var(--muted); font-size: 14px; transition: color .15s; }
footer a.f:hover { color: var(--ink); }

@media (max-width: 860px) {
  .steps, .features, .products, .dl-grid, .intel-grid { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
}

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}