/* The same tokens as the app (src/styles/tokens.css), so the page looks like
   ClippiBoy and not like a page about it. */

@font-face {
  font-family: "Inter";
  src: url("fonts/inter.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --base: #08080a;
  --surface: #121215;
  --elevated: #1a1a1f;
  --hover: #22222a;
  --line: #26262c;
  --line-strong: #34343d;
  --ink: #ffffff;
  --ink-muted: #8a8a96;
  --ink-faint: #5c5c68;
  --accent: #8b5cf6;
  --accent-bright: #a78bfa;
  --accent-deep: #4c1d95;
  --live: #ef4444;

  --radius-card: 20px;
  --radius-inner: 12px;

  --hero-gradient: linear-gradient(180deg, #7c3aed 0%, #4c1d95 22%, #2a1b6b 48%, #08080a 100%);
  --hud-top: rgba(23, 20, 32, 0.96);
  --hud-bottom: rgba(13, 12, 18, 0.97);
  --hud-sheen: color-mix(in oklab, var(--accent-bright) 20%, transparent);

  --ease-soft: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-in: cubic-bezier(0.16, 1, 0.3, 1);

  --gutter: clamp(16px, 4vw, 32px);
  --wide: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: clip; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  position: relative;
  background: var(--base);
  color: var(--ink);
  font: 400 1rem/1.6 "Inter", "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-bright); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); max-width: 20ch; }
h3 { font-size: 1rem; letter-spacing: -0.01em; font-weight: 600; }
p { margin: 0; }
.small { color: var(--ink-muted); font-size: 0.9rem; }

kbd {
  display: inline-block;
  min-width: 1.9em;
  padding: 0.1em 0.55em;
  margin: 0 0.1em;
  font: 600 0.8em/1.5 "Inter", system-ui, sans-serif;
  text-align: center;
  color: var(--ink);
  background: var(--elevated);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  box-shadow: 0 2px 0 var(--line);
}

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 10; background: var(--surface); padding: 8px 12px; border-radius: 999px; }

/* The violet wash across the top, as in the app's main window. */
.hero-glow {
  position: absolute;
  inset: 0 0 auto 0;
  height: 620px;
  background: var(--hero-gradient);
  opacity: 0.9;
  pointer-events: none;
  z-index: 0;
}
.top, main, .foot { position: relative; z-index: 1; }

/* ---------- Buttons: the app's four variants ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  border: 0;
  font: 600 0.95rem/1 "Inter", system-ui, sans-serif;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .15s var(--ease-soft), transform .15s var(--ease-soft);
}
.btn:active { transform: scale(0.97); }
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.btn-primary { background: #fff; color: #000; }
.btn-primary:hover { background: rgba(255, 255, 255, 0.88); color: #000; }
.btn-secondary { background: var(--elevated); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.btn-secondary:hover { background: var(--hover); color: var(--ink); }
.btn-sm { height: 36px; padding: 0 16px; font-size: 0.85rem; }

/* ---------- Header: logo, the floating pill, download ---------- */

.top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 20px var(--gutter);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em; }
.top > .btn { justify-self: end; }

.pillnav {
  position: relative;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 6px 8px 6px 6px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(8, 8, 10, 0.35);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
}
.pillnav a {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--ink-muted);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  transition: color .2s var(--ease-soft);
}
.pillnav a:hover, .pillnav a[aria-current="true"] { color: var(--ink); }
.pillnav-mark {
  position: absolute;
  top: 6px;
  left: 0;
  height: 36px;
  width: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  opacity: 0;
  transition: transform .35s var(--ease-soft), width .35s var(--ease-soft), opacity .2s;
}
.pillnav-sep { width: 1px; height: 20px; margin: 0 6px; background: rgba(255, 255, 255, 0.1); }
.live { display: inline-flex; align-items: center; gap: 8px; padding: 0 10px; font-size: 0.82rem; font-weight: 500; color: var(--ink); }
.live-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--live); box-shadow: 0 0 8px var(--live); animation: blink 1.4s ease-in-out infinite; }
@keyframes blink { 50% { opacity: 0.35; } }
@media (prefers-reduced-motion: reduce) { .live-dot { animation: none; } }

@media (max-width: 900px) {
  .top { grid-template-columns: 1fr auto; }
  .pillnav { display: none; }
}

/* ---------- Sections ---------- */

main > section {
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(72px, 10vw, 120px) var(--gutter) 0;
}

/* ---------- Hero ---------- */

.hero { padding-top: clamp(48px, 8vw, 96px) !important; text-align: center; }
.hero h1 {
  font-size: clamp(2.6rem, 7.5vw, 5.6rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.98;
  max-width: 14ch;
  margin: 0 auto;
}
.lede { margin: 24px auto 0; max-width: 50ch; font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: rgba(255, 255, 255, 0.78); }
.lede em { font-style: normal; color: var(--ink); font-weight: 600; }
.cta { margin-top: 32px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.cta .btn { height: 52px; padding: 0 28px; font-size: 1rem; }
.cta-meta { color: rgba(255, 255, 255, 0.6); font-size: 0.88rem; }

.buffer { margin: clamp(56px, 8vw, 88px) 0 0; text-align: left; }
.buffer-frame {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}
.lane-labels {
  display: grid;
  grid-template-rows: 1.3fr 1fr 1fr 1fr;
  padding: 0 16px 0 20px;
  border-right: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.8rem;
  font-weight: 500;
}
.lane-labels span { display: flex; align-items: center; }
#buffer { display: block; width: 100%; min-width: 0; height: clamp(200px, 22vw, 260px); }

.ticks {
  display: flex;
  justify-content: space-between;
  margin: 10px 0 0;
  padding-left: 112px;
  color: var(--ink-faint);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}
.ticks span:last-child { color: var(--accent-bright); font-weight: 600; }

.buffer figcaption { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-top: 18px; }
.try-note { color: var(--ink-muted); font-size: 0.9rem; }

/* ---------- The banner, as it appears over the game (src/overlay) ---------- */

.banner {
  position: absolute;
  top: 16px;
  right: 16px;
  width: min(360px, calc(100% - 32px));
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, var(--hud-top) 0%, var(--hud-bottom) 100%);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.6), inset 0 1px 0 var(--hud-sheen);
  pointer-events: none;
}
.banner[hidden] { display: none; }
.banner.in { animation: card-in 300ms var(--ease-in) both; }
.banner.out { animation: card-out 240ms cubic-bezier(0.4, 0, 1, 1) both; }
@keyframes card-in { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: none; } }
@keyframes card-out { from { opacity: 1; transform: none; } to { opacity: 0; transform: scale(0.97); } }

.banner-outline { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.banner-outline rect {
  x: 1px; y: 1px;
  width: calc(100% - 2px);
  height: calc(100% - 2px);
  rx: 19px;
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-dasharray: 100;
}
.banner-outline .line { stroke-width: 1.5; animation: trace 760ms cubic-bezier(0.33, 0, 0.15, 1) both; }
.banner-outline .halo { stroke-width: 3; filter: blur(5px); opacity: 0; animation: trace 760ms cubic-bezier(0.33, 0, 0.15, 1) both, glow 900ms ease-out 200ms both; }
@keyframes trace { from { stroke-dashoffset: 100; } to { stroke-dashoffset: 0; } }
@keyframes glow { 0% { opacity: 0; } 70% { opacity: 0.95; } 100% { opacity: 0.35; } }

.banner-rim {
  position: absolute;
  inset: 0;
  padding: 1.5px;
  border-radius: var(--radius-card);
  overflow: hidden;
  pointer-events: none;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  animation: fade-in 500ms ease-out 760ms both;
}
.banner-rim::before {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 150%;
  aspect-ratio: 1;
  translate: -50% -50%;
  background: conic-gradient(from 0deg, transparent 0 58%, var(--accent) 78%, #fff 86%, transparent 94%);
  animation: spin 2.6s linear infinite;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes spin { to { transform: rotate(1turn); } }

.banner-thumb {
  position: relative;
  flex: none;
  height: 64px;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  border-radius: var(--radius-inner);
  background: linear-gradient(135deg, rgba(76, 29, 149, 0.5), #000);
  color: var(--accent-bright);
}
.banner-thumb svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.banner-text { position: relative; min-width: 0; }
.banner-label { font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent-bright); }
.banner-title { margin-top: 2px; font-size: 15px; font-weight: 600; }
.banner-detail { margin-top: 2px; font-size: 12px; color: var(--ink-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

@media (prefers-reduced-motion: reduce) {
  .banner.in, .banner.out { animation-duration: 1ms; }
  .banner-outline .line, .banner-outline .halo { animation: none; stroke-dashoffset: 0; opacity: 0.5; }
  .banner-rim, .banner-rim::before { animation: none; }
}

@media (max-width: 640px) {
  .lane-labels { font-size: 0.7rem; padding: 0 8px 0 12px; }
  .ticks { padding-left: 78px; }
  .banner { top: 10px; right: 10px; width: calc(100% - 20px); padding: 10px; gap: 10px; }
  .banner-thumb { height: 44px; }
}

/* ---------- Audio ---------- */

.audio { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(32px, 6vw, 72px); align-items: center; }
.audio-text p { margin-top: 18px; max-width: 44ch; color: rgba(255, 255, 255, 0.82); }
.audio-text p.small { margin-top: 22px; color: var(--ink-muted); }

.mixer {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 8px;
}
.mix-row {
  display: grid;
  grid-template-columns: 6.5em minmax(0, 1fr) 7em 3.8em 34px;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-inner);
}
.mix-row + .mix-row { margin-top: 4px; }
.mix-row:not(.mix-sum) { background: var(--elevated); }
.mix-name { font-size: 0.88rem; font-weight: 500; }
.mix-wave { width: 100%; min-width: 0; height: 36px; display: block; }
.mix-row output { font-size: 0.8rem; color: var(--ink-muted); text-align: right; font-variant-numeric: tabular-nums; }
.mix-sum { grid-template-columns: 6.5em minmax(0, 1fr); padding-top: 16px; padding-bottom: 14px; }
.mix-sum .mix-name { color: var(--accent-bright); font-weight: 600; }
.mix-sum .mix-wave { height: 52px; }

.mute {
  width: 34px; height: 30px;
  font: 700 0.75rem "Inter", system-ui, sans-serif;
  color: var(--ink-muted);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: background-color .15s var(--ease-soft), color .15s;
}
.mute:hover { color: var(--ink); }
.mute[aria-pressed="true"] { color: var(--live); background: rgba(239, 68, 68, 0.15); border-color: rgba(239, 68, 68, 0.3); }

input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; background: transparent; height: 24px; margin: 0; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: var(--line-strong); }
input[type="range"]::-moz-range-track { height: 4px; border-radius: 4px; background: var(--line-strong); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; margin-top: -5px; border-radius: 50%; background: #fff; border: 0; box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.35); }
input[type="range"]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 0; box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.35); }

@media (max-width: 900px) { .audio { grid-template-columns: 1fr; } }
@media (max-width: 520px) {
  .mix-row { grid-template-columns: minmax(0, 1fr) 3.6em 34px; row-gap: 6px; }
  .mix-row .mix-wave { grid-column: 1 / -1; grid-row: 2; }
  .mix-row input { grid-column: 1 / -1; grid-row: 3; }
  .mix-row .mix-name { grid-column: 1; grid-row: 1; }
  .mix-row output { grid-column: 2; grid-row: 1; }
  .mix-row .mute { grid-column: 3; grid-row: 1; }
  .mix-sum { grid-template-columns: 1fr; }
}

/* ---------- Features ---------- */

.features dl {
  margin: 40px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 12px;
}
.features dl > div {
  padding: 22px 24px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  transition: background-color .2s var(--ease-soft), border-color .2s var(--ease-soft);
}
.features dl > div:hover { background: var(--elevated); border-color: var(--line-strong); }
.features dt { font-weight: 600; font-size: 1.02rem; letter-spacing: -0.01em; }
.features dd { margin: 8px 0 0; color: var(--ink-muted); font-size: 0.93rem; }

/* ---------- Hotkeys ---------- */

.keys-list {
  margin: 36px 0 0;
  padding: 8px;
  list-style: none;
  max-width: 640px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}
.keys-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border-radius: var(--radius-inner);
}
.keys-list li + li { margin-top: 4px; }
.keys-list li:nth-child(odd) { background: var(--elevated); }
.keys-list kbd { font-size: 0.9rem; }
.keys .small { margin-top: 18px; }

/* ---------- Stream Deck ---------- */

.deck { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: clamp(32px, 6vw, 72px); align-items: center; }
.deck-text p { margin-top: 18px; max-width: 48ch; color: rgba(255, 255, 255, 0.82); }
.deck-text .btn { margin-top: 26px; }
.deck-keys {
  list-style: none;
  margin: 0;
  padding: 22px;
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
}
.deck-keys li { display: grid; justify-items: center; gap: 8px; font-size: 0.8rem; color: var(--ink-muted); }
.sd {
  position: relative;
  display: grid;
  place-items: center;
  width: 108px; height: 108px;
  border-radius: 18px;
  background: #000;
  box-shadow: inset 0 0 0 1px var(--line-strong), 0 3px 0 var(--line);
}
.sd img { margin-top: -14px; }
.sd small { position: absolute; bottom: 10px; left: 0; right: 0; text-align: center; color: #fff; font-size: 0.8rem; font-weight: 600; }
@media (min-width: 1000px) { .deck-keys { grid-template-columns: repeat(4, auto); } }
@media (max-width: 760px) { .deck { grid-template-columns: 1fr; } .deck-keys { justify-self: start; } }
@media (max-width: 380px) { .sd { width: 92px; height: 92px; } .sd img { width: 60px; height: 60px; } }

/* ---------- Install ---------- */

.install { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 36px clamp(32px, 6vw, 72px); }
.install h2 { grid-column: 1 / -1; }
.install ol { margin: 0; padding: 0; list-style: none; counter-reset: step; grid-row: span 2; }
.install ol li {
  counter-increment: step;
  position: relative;
  padding: 0 0 28px 54px;
  max-width: 50ch;
  color: var(--ink-muted);
}
.install ol li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: -3px;
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--elevated);
  box-shadow: inset 0 0 0 1px var(--line-strong);
  color: var(--accent-bright);
  font-weight: 700;
  font-size: 0.9rem;
}
.install ol b { display: block; font-weight: 600; color: var(--ink); }
.req, .release {
  padding: 22px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}
.req ul { margin: 12px 0 0; padding-left: 1.1em; color: var(--ink-muted); font-size: 0.93rem; }
.req li { margin-bottom: 6px; }
.release p { margin-top: 10px; color: var(--ink-muted); font-size: 0.93rem; }
@media (max-width: 820px) { .install { grid-template-columns: 1fr; } .install ol { grid-row: auto; } }

/* ---------- Footer ---------- */

.foot {
  max-width: var(--wide);
  margin: clamp(80px, 12vw, 128px) auto 0;
  padding: 28px var(--gutter) 40px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.88rem;
}