/* Safety Pin - photocopied punk zine, same look as the plugin window */

:root {
  --yellow: #f2e500;
  --pink: #ff2d8a;
  --black: #121212;
  --paper: #f7f3e8;
  --tape: #e8dcb0;
  --acid: #8cff3a;
  --orange: #ff7a00;
  --red: #e8112d;
  --newsprint: #d9d4c7;

  --impact: "Anton", Impact, "Arial Black", sans-serif;
  --typed: "Special Elite", "Courier Prime", "Courier New", monospace;
  --marker: "Permanent Marker", "Ink Free", "Comic Sans MS", cursive;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--black);
  font-family: var(--typed);
  font-size: 17px;
  line-height: 1.5;
  overflow-x: hidden;
  background-color: var(--yellow);
  /* photocopier grain */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -2.2 1.35'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  background-size: 220px 220px;
}

/* halftone dots in the bottom-right corner, fading out like a bad photocopy */
body::after {
  content: "";
  position: fixed;
  right: 0;
  bottom: 0;
  width: 260px;
  height: 200px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(circle at center, rgba(18, 18, 18, .55) 0 3px, transparent 3.5px) right bottom / 13px 13px;
  -webkit-mask-image: linear-gradient(315deg, #000 15%, transparent 75%);
  mask-image: linear-gradient(315deg, #000 15%, transparent 75%);
}

a { color: inherit; }

main, .masthead, .footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ------------------------------------------------------------------ shared bits */

/* Jagged edges: the paper colour (--bg) sits on a pseudo-element clipped to a torn polygon that
   site.js generates, so drop-shadows on the element still follow the torn shape. */
.torn { position: relative; z-index: 0; }
.torn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--bg, var(--paper));
  clip-path: var(--torn, none);
}

.typed { font-family: var(--typed); }
.marker { font-family: var(--marker); }
.small { font-size: .85em; }
code { font-family: "Courier Prime", "Courier New", monospace; background: rgba(18, 18, 18, .08); padding: 0 .25em; }

.tape {
  display: inline-block;
  --bg: var(--tape);
  padding: .2em 1em;
  font-family: "Courier Prime", "Courier New", monospace;
  font-weight: 700;
  letter-spacing: .04em;
  filter: drop-shadow(2px 2px 0 rgba(18, 18, 18, .25));
}

.section-title {
  margin: 0 0 .6em;
  font-size: 1.5rem;
  transform: rotate(-1.5deg);
}

.scrap {
  --bg: var(--paper);
  padding: 1.2em 1.4em;
  filter: drop-shadow(5px 5px 0 var(--black));
}

.scrap h3 {
  margin: 0 0 .4em;
  font-family: var(--impact);
  font-weight: 400;
  font-size: 1.5rem;
  letter-spacing: .02em;
}

/* A rubber stamp: same as the OVERKILL switch */
.stamp {
  display: inline-block;
  padding: .3em 1em;
  font-family: var(--impact);
  font-size: 1.9rem;
  letter-spacing: .04em;
  text-decoration: none;
  color: var(--paper);
  background: var(--red);
  border: 3px solid var(--black);
  box-shadow: 5px 5px 0 var(--black);
  transform: rotate(-2deg);
  cursor: pointer;
  transition: transform .12s, box-shadow .12s;
}

.stamp:hover, .stamp:focus-visible { transform: rotate(1deg) scale(1.04); }
.stamp:active { transform: translate(4px, 4px) rotate(1deg); box-shadow: 1px 1px 0 var(--black); }
.stamp:focus-visible { outline: 3px dashed var(--black); outline-offset: 6px; }

.stamp-ghost { color: var(--black); background: var(--newsprint); transform: rotate(2deg); }

/* ------------------------------------------------------------------ masthead */

.masthead {
  position: relative;
  padding-top: 22px;
  margin-bottom: 40px;
}

.strip {
  --bg: var(--pink);
  padding: 22px 16px 26px;
  transform: rotate(-1.4deg);
  filter: drop-shadow(7px 7px 0 var(--black));
}

.ransom {
  margin: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px clamp(18px, 4vw, 54px);
  font-weight: 400;
  line-height: 1;
}

.ransom .word { display: inline-flex; gap: 4px; }

.ransom .cut {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: .9em;
  padding: .06em .12em;
  font-size: clamp(2.2rem, 9vw, 6.2rem);
  box-shadow: 3px 3px 0 rgba(18, 18, 18, .35);
}

.pin {
  position: absolute;
  width: clamp(80px, 12vw, 140px);
  filter: drop-shadow(2px 3px 0 rgba(18, 18, 18, .3));
  pointer-events: none;
}

.pin-left { top: 6px; left: 0; transform: rotate(-14deg); }
.pin-right { top: 132px; right: 6px; transform: rotate(170deg); }

.subtitle {
  position: relative;
  margin: -14px 0 0 8%;
  font-size: clamp(1rem, 2.6vw, 1.4rem);
  transform: rotate(2deg);
}

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

.hero {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 36px;
  align-items: center;
  margin-bottom: 70px;
}

.big { font-size: clamp(1.6rem, 3.6vw, 2.4rem); line-height: 1.2; margin: 0 0 .4em; }

.actions { display: flex; flex-wrap: wrap; gap: 22px; margin: 1.4em 0 1em; }

.polaroid {
  position: relative;
  margin: 0;
  padding: 12px 12px 6px;
  background: var(--paper);
  transform: rotate(2deg);
  box-shadow: 8px 8px 0 var(--black);
}

.polaroid img { display: block; width: 100%; height: auto; }

.polaroid figcaption { text-align: center; padding-top: 4px; }

.tape-corner {
  position: absolute;
  top: -14px;
  left: 38%;
  width: 120px;
  height: 30px;
  opacity: .9;
  transform: rotate(-4deg);
}

/* ------------------------------------------------------------------ knobs */

.knobs-section { margin-bottom: 80px; }

.hint { margin: -.3em 0 1.6em; }

.knob-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px 22px;
}

.knob-card { text-align: center; }

.knob-card p { margin: .5em 0 0; font-size: .92em; }

.label { margin-top: 12px; }

/* studded leather ring with a coloured badge, drawn in CSS; site.js adds the studs and ticks */
.knob {
  --angle: 0deg;
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto;
  border-radius: 50%;
  touch-action: none;
  cursor: ns-resize;
}

.knob:focus-visible { outline: 3px dashed var(--black); outline-offset: 4px; }

.knob .tick {
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 7px;
  margin-left: -1px;
  background: var(--black);
  transform-origin: 1px 60px;
}

.knob .tick.big { width: 3px; height: 11px; }

.knob .ring {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--black);
  box-shadow: 4px 4px 0 var(--black);
}

.knob .stud {
  position: absolute;
  width: 11px;
  height: 11px;
  margin: -5.5px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff, #6d737a 75%);
}

.knob .badge {
  position: absolute;
  inset: 26px;
  border-radius: 50%;
  border: 3px solid var(--black);
  background: var(--knob-colour, var(--paper));
  transform: rotate(var(--angle));
}

.knob .badge::after {                       /* the pointer */
  content: "";
  position: absolute;
  left: 50%;
  top: -3px;
  width: 8px;
  height: 26px;
  margin-left: -4px;
  border-radius: 2px;
  background: var(--black);
  outline: 1.5px solid var(--paper);
}

.knob .readout {
  position: absolute;
  left: 50%;
  bottom: -6px;
  transform: translateX(-50%);
  padding: 0 .4em;
  font-family: "Courier Prime", monospace;
  font-weight: 700;
  font-size: .8rem;
  color: var(--paper);
  background: var(--black);
  outline: 2px solid var(--pink);
  opacity: 0;
  transition: opacity .15s;
  pointer-events: none;
}

.knob.turning .readout, .knob:focus-visible .readout { opacity: 1; }

.knob-card[data-colour="pink"] { --knob-colour: var(--pink); }
.knob-card[data-colour="paper"] { --knob-colour: var(--paper); }
.knob-card[data-colour="acid"] { --knob-colour: var(--acid); }
.knob-card[data-colour="orange"] { --knob-colour: var(--orange); }
.knob-card[data-colour="red"] { --knob-colour: var(--red); }

.overkill-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 56px;
}

.overkill-row p { margin: 0; font-size: 1.15rem; }

.overkill { background: var(--newsprint); color: var(--black); font-size: 2.2rem; }
.overkill[aria-pressed="true"] { background: var(--red); color: var(--paper); transform: rotate(-4deg); }

.midi-learn { max-width: 640px; margin-top: 46px; transform: rotate(.8deg); }
.midi-learn p { margin: 0; }

/* OVERKILL on: the whole page loses it */
body.overkill-on { animation: shake .09s infinite; background-color: #ffd500; }
body.overkill-on .strip { --bg: var(--red); }

@keyframes shake {
  0% { transform: translate(0, 0); }
  25% { transform: translate(1.5px, -1px); }
  50% { transform: translate(-1px, 1.5px); }
  75% { transform: translate(-1.5px, -.5px); }
}

@media (prefers-reduced-motion: reduce) {
  body.overkill-on { animation: none; }
  .tuner-card .needle { transition: none; }
}

/* ------------------------------------------------------------------ tuner */

.tuner-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 80px;
}

.tuner-card {
  position: relative;
  display: grid;
  grid-template-columns: 110px 1fr;
  grid-template-rows: auto auto;
  gap: 14px 22px;
  padding: 26px 22px 22px;
  --bg: var(--paper);
  filter: drop-shadow(6px 6px 0 var(--black));
}

.tuner-tape { position: absolute; top: 0; left: 10px; font-size: .85rem; }

.tuner-note {
  grid-row: span 2;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--black);
  color: var(--paper);
  font-family: var(--impact);
  transition: background .2s, color .2s;
}

.tuner-note .note { font-size: 4.2rem; line-height: 1; }
.tuner-note .octave { font-size: 1.3rem; align-self: flex-end; margin: 0 0 14px 4px; }
.tuner-card.in-tune .tuner-note { background: var(--acid); color: var(--black); }

.tuner-meter { position: relative; height: 64px; }
.tuner-meter .flat { position: absolute; left: 0; top: -6px; }
.tuner-meter .sharp { position: absolute; right: 0; top: -6px; }

.tuner-meter .scale {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 16px;
  border-bottom: 3px solid var(--black);
  background: repeating-linear-gradient(90deg, var(--black) 0 2px, transparent 2px 10%);
  background-size: 100% 8px;
  background-repeat: no-repeat;
  background-position: bottom;
}

.tuner-meter .centre { position: absolute; left: 50%; bottom: 0; width: 4px; height: 46px; margin-left: -2px; background: var(--red); }

.tuner-meter .needle {
  --cents: 0;
  position: absolute;
  bottom: 2px;
  left: calc(50% + var(--cents) * 1%);
  width: 0;
  height: 0;
  margin-left: -10px;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 40px solid var(--pink);
  filter: drop-shadow(0 0 1px var(--black)) drop-shadow(0 0 1px var(--black));
  transition: left .25s ease-out;
}

.tuner-card.in-tune .needle { border-top-color: var(--acid); }

.tuner-strings { display: flex; gap: 8px; }

.tuner-strings span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  font-family: "Rubik Mono One", "Arial Black", sans-serif;
  background: var(--newsprint);
  border: 2px solid var(--black);
}

.tuner-strings .lit { background: var(--pink); }

/* ------------------------------------------------------------------ setup + under the hood */

.setup { margin-bottom: 80px; }

.scraps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.scraps .scrap:nth-child(1) { transform: rotate(-1.5deg); }
.scraps .scrap:nth-child(2) { transform: rotate(1deg); }
.scraps .scrap:nth-child(3) { transform: rotate(-.6deg); --bg: var(--tape); }

.scrap ol { margin: 0; padding-left: 1.2em; }
.scrap li { margin-bottom: .4em; }

.guts { margin-bottom: 70px; }
.guts ul { padding-left: 1.2em; max-width: 820px; }
.guts li { margin-bottom: .5em; }

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

.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding-bottom: 50px;
  text-align: center;
}

.credits { transform: rotate(-1.5deg); font-weight: 700; }
.credits p { margin: 0; }

.logo img { display: block; max-width: 100%; height: auto; }

/* ------------------------------------------------------------------ small screens */

@media (max-width: 860px) {
  .hero, .tuner-section { grid-template-columns: 1fr; }
  .knob-grid { grid-template-columns: repeat(2, 1fr); }
  .scraps { grid-template-columns: 1fr; }
  .pin-right { top: auto; bottom: -10px; }
}

@media (max-width: 420px) {
  .knob { width: 100px; height: 100px; }
  .knob .tick { transform-origin: 1px 50px; }
  .tuner-card { grid-template-columns: 1fr; }
  .tuner-note { grid-row: auto; padding: 8px 0; }
  .stamp { font-size: 1.5rem; }
}