:root {
  --case: #080b0a;
  --case-raised: #0d1210;
  --metal: #151c18;
  --metal-lit: #202923;
  --ink: #f4f0e7;
  --muted: #a7afa9;
  --faint: #747f78;
  --line: rgba(226, 232, 222, 0.12);
  --line-strong: rgba(226, 232, 222, 0.22);
  --amber: #f4b94a;
  --amber-lit: #ffd883;
  --amber-dim: rgba(244, 185, 74, 0.14);
  --green: #75d39d;
  --green-lit: #9ff0bf;
  --green-dim: rgba(117, 211, 157, 0.14);
  --coral: #f17a54;
  --display: "Avenir Next Condensed", "DIN Condensed", "Arial Narrow", sans-serif;
  --body: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;
  --max: 1180px;
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  color-scheme: dark;
  font-synthesis: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 76% 12%, rgba(244, 185, 74, 0.055), transparent 29rem),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.007) 0 1px, transparent 1px 5px),
    var(--case);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body:has(dialog[open]) {
  overflow: hidden;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: inherit;
}

svg {
  display: block;
}

:focus-visible {
  outline: 3px solid var(--amber-lit);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--case);
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 40;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 10, 0.86);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.header-inner,
.section-inner {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  min-height: 66px;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 18px;
  font-stretch: condensed;
  font-weight: 800;
  letter-spacing: 0.045em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.brand svg {
  width: 30px;
  height: 30px;
  fill: var(--amber);
  stroke: var(--faint);
  stroke-width: 1.4;
}

.brand b {
  color: var(--amber);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.site-header nav a,
.site-footer nav a {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.site-header nav a:hover,
.site-footer nav a:hover {
  color: var(--ink);
}

.local-audio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 22px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.local-audio span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px rgba(117, 211, 157, 0.6);
}

.hero {
  display: grid;
  width: min(calc(100% - 40px), 1240px);
  min-height: calc(100svh - 66px);
  margin-inline: auto;
  padding: clamp(30px, 4.5vw, 68px) 0 clamp(44px, 6vw, 82px);
  grid-template-columns: minmax(250px, 0.56fr) minmax(560px, 1.44fr);
  align-items: center;
  gap: clamp(32px, 4.5vw, 64px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-bottom: 8px;
  animation: reveal-up 620ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

.eyebrow,
.hardware-label {
  margin: 0 0 12px;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-stretch: condensed;
}

h1 {
  max-width: 620px;
  margin-bottom: 24px;
  font-size: clamp(54px, 6vw, 86px);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.86;
  text-transform: uppercase;
}

h1 em {
  color: var(--amber);
  font-style: normal;
}

.hero-lede {
  max-width: 510px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.6;
}

.tuning-signature {
  display: flex;
  align-items: center;
  max-width: 470px;
  margin: 26px 0 24px;
}

.tuning-signature span {
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 750;
}

.tuning-signature sub {
  color: var(--faint);
  font-size: 0.6em;
}

.tuning-signature i {
  min-width: 9px;
  height: 1px;
  margin-inline: 7px;
  flex: 1;
  background: var(--line-strong);
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 9px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.text-link:hover {
  border-color: var(--amber);
  color: var(--ink);
}

.tuner-pedal {
  position: relative;
  z-index: 1;
  isolation: isolate;
  width: 100%;
  max-width: 760px;
  margin-left: auto;
  padding: clamp(20px, 3vw, 32px);
  overflow: hidden;
  border: 1px solid rgba(226, 232, 222, 0.13);
  border-radius: 28px;
  background:
    radial-gradient(120% 58% at 50% -7%, rgba(255,255,255,0.075), transparent 46%),
    repeating-linear-gradient(92deg, rgba(255,255,255,0.01) 0 1px, transparent 1px 6px),
    linear-gradient(158deg, #1b241f 0%, #121814 46%, #0b0f0d 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.07),
    inset 0 0 0 1px rgba(255,255,255,0.025),
    inset 0 -30px 60px -40px #000,
    0 42px 90px -34px rgba(0,0,0,0.9),
    0 6px 18px -8px rgba(0,0,0,0.7);
  transform: perspective(1200px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transform-style: preserve-3d;
  transition: transform 160ms ease-out, border-color 220ms ease, box-shadow 220ms ease;
  animation: pedal-in 720ms 80ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

.tuner-pedal::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(100% 55% at 50% 10%, var(--amber-dim), transparent 58%);
  content: "";
  opacity: 0.24;
  pointer-events: none;
  transition: background 220ms ease, opacity 220ms ease;
}

.tuner-pedal::after {
  position: absolute;
  z-index: 3;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.52);
  content: "";
  pointer-events: none;
}

.tuner-pedal[data-locked="true"] {
  border-color: rgba(117, 211, 157, 0.45);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.07),
    inset 0 0 0 1px rgba(255,255,255,0.025),
    0 42px 90px -34px rgba(0,0,0,0.9),
    0 0 52px -12px rgba(117,211,157,0.32);
}

.tuner-pedal[data-locked="true"]::before {
  background: radial-gradient(circle at 50% 25%, var(--green-dim), transparent 42%);
  opacity: 0.8;
  animation: lock-exhale 1100ms cubic-bezier(.2,.72,.2,1) both;
}

.pedal-screws {
  position: absolute;
  inset: 12px;
  pointer-events: none;
}

.pedal-screws i {
  position: absolute;
  width: 9px;
  height: 9px;
  border: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #3a453e, #10140f 72%);
  box-shadow: inset 0 1px 1px rgba(255,255,255,.24), 0 1px 2px rgba(0,0,0,.7);
}

.pedal-screws i:nth-child(1) { top: 0; left: 0; }
.pedal-screws i:nth-child(2) { top: 0; right: 0; }
.pedal-screws i:nth-child(3) { bottom: 0; left: 0; }
.pedal-screws i:nth-child(4) { right: 0; bottom: 0; }

.pedal-topline {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 0 2px 16px;
}

.mode-switch {
  display: grid;
  min-width: 0;
  margin: 0;
  padding: 4px;
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0,0,0,.32);
  grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
  gap: 4px;
}

.mode-switch button {
  min-width: 0;
  min-height: 2.875rem;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: .625rem;
  font-weight: 800;
  letter-spacing: .045em;
  line-height: 1.25;
  overflow-wrap: anywhere;
  text-transform: uppercase;
}

.mode-switch button[aria-pressed="true"] {
  border-color: rgba(255,255,255,.08);
  background: linear-gradient(180deg, #e9e3d6, #c9c3b6);
  color: #0b0f0d;
  box-shadow: 0 1px 2px rgba(0,0,0,.42), inset 0 1px rgba(255,255,255,.45);
}

.power-state {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: .625rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.power-state i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--faint);
  box-shadow: 0 0 8px rgba(105,115,109,.45);
}

[data-audio="listening"] .power-state i,
[data-locked="true"] .power-state i {
  background: var(--green);
  box-shadow: 0 0 11px rgba(117,211,157,.75);
}

[data-audio="listening"] .power-state,
[data-locked="true"] .power-state {
  color: var(--muted);
}

[data-audio="error"] .power-state i {
  background: var(--coral);
  box-shadow: 0 0 11px rgba(241,122,84,.72);
}

.pedal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 14px;
  padding: 0 8px;
}

.target-meta {
  display: grid;
  min-width: 0;
  flex: 1;
  align-items: baseline;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 14px;
}

.hardware-label {
  display: block;
  grid-column: 1 / -1;
  margin-bottom: 3px;
  color: var(--faint);
  font-size: 9px;
}

.pedal-header strong {
  display: block;
  min-width: 0;
  font-family: var(--display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.target-frequency {
  color: var(--muted);
  font-family: var(--mono);
  font-size: .6875rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.session-progress {
  flex: 0 0 auto;
  color: var(--faint);
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.session-progress b {
  color: var(--green);
  font-size: .875rem;
}

.session-progress > strong {
  color: var(--green);
  font-size: .75rem;
  letter-spacing: .12em;
}

.session-progress > span {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.meter {
  position: relative;
  min-height: 0;
  padding: 18px 18px 14px;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 222, 0.08);
  border-radius: 20px;
  background:
    radial-gradient(120% 140% at 50% -20%, #10160f, #070a08 76%);
  box-shadow:
    inset 0 2px 6px rgba(0,0,0,.72),
    inset 0 0 0 1px rgba(255,255,255,.025),
    0 1px rgba(255,255,255,0.035);
}

.meter-face {
  display: block;
  width: 100%;
  height: clamp(9rem, 18vw, 12rem);
  margin-inline: auto;
  filter: drop-shadow(0 5px 10px rgba(0,0,0,.38));
}

.input-lane {
  position: absolute;
  width: 4px;
  height: 4px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  clip-path: inset(50%);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.input-lane[data-state="listening"] {
  border-color: rgba(244,185,74,.28);
}

.input-lane[data-state="in-tune"] {
  border-color: rgba(117,211,157,.45);
  box-shadow: inset 0 8px 18px rgba(0,0,0,.32), 0 0 18px rgba(117,211,157,.08);
}

.input-lane canvas {
  display: block;
  width: 100%;
  height: 100%;
  opacity: .82;
}

.input-lane [data-level-bar] {
  position: absolute;
  top: 50%;
  left: 8px;
  display: none;
  width: calc((100% - 16px) * var(--level, 0));
  height: 3px;
  border-radius: 999px;
  background: var(--amber);
  transform: translateY(-50%);
}

.input-lane[data-state="in-tune"] [data-level-bar] {
  background: var(--green);
}

.signal-quality {
  min-height: 1.5625rem;
  margin: 7px 4px 0;
  color: var(--faint);
  font-family: var(--mono);
  font-size: .625rem;
  font-weight: 700;
  letter-spacing: .025em;
  line-height: 1.45;
  text-align: center;
}

.signal-quality[data-signal="clear"],
.signal-quality[data-signal="ringing"] {
  color: var(--amber-lit);
}

.signal-quality[data-signal="too-quiet"],
.signal-quality[data-signal="noisy"],
.signal-quality[data-signal="clipping"] {
  color: #ffad91;
}

.meter-well {
  fill: url(#meterMetal);
  stroke: rgba(236, 241, 232, 0.08);
  stroke-width: 2;
}

.meter-track {
  fill: none;
  stroke: rgba(226,232,222,.16);
  stroke-linecap: round;
  stroke-width: 4;
}

.meter-zone {
  fill: none;
  stroke: var(--green);
  stroke-linecap: round;
  stroke-width: 6;
  opacity: 0.5;
  filter: drop-shadow(0 0 6px rgba(117,211,157,.34));
  transition: opacity 180ms ease;
}

.meter-ticks path {
  fill: none;
  stroke: rgba(167,175,169,.58);
  stroke-width: 2;
}

.meter-ticks text {
  fill: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
}

.meter-needle {
  transform-box: view-box;
  transform-origin: 280px 246px;
  transition: transform 110ms cubic-bezier(0.2, 0.72, 0.25, 1);
}

.meter-needle path {
  fill: var(--amber);
  filter: drop-shadow(0 0 7px rgba(244,185,74,0.42));
  transition: fill 180ms ease;
}

.meter-needle circle:first-of-type {
  fill: #252d28;
  stroke: #4b574f;
  stroke-width: 2;
}

.meter-needle circle:last-of-type {
  fill: var(--amber);
}

[data-locked="true"] .meter-needle path,
[data-locked="true"] .meter-needle circle:last-of-type {
  fill: var(--green);
}

[data-locked="true"] .meter-zone {
  opacity: 1;
}

.meter-readout {
  display: grid;
  position: relative;
  width: 100%;
  align-items: end;
  gap: 16px;
  margin-top: 4px;
  padding: 12px 6px 4px;
  border-top: 1px solid var(--line);
  grid-template-columns: minmax(4.5rem, .65fr) minmax(9rem, 1.55fr) minmax(5.5rem, .8fr);
}

.note-cell,
.cents-cell,
.frequency-cell {
  min-width: 0;
}

.note-cell,
.frequency-cell {
  display: flex;
  flex-direction: column;
}

.frequency-cell {
  align-items: flex-end;
  text-align: right;
}

.readout-label {
  margin-bottom: 5px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: .5625rem;
  font-weight: 700;
  letter-spacing: .14em;
  line-height: 1.2;
  text-transform: uppercase;
}

.target-note {
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(3rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: .8;
  text-shadow: 0 6px 22px rgba(0,0,0,.55);
  transition: color 180ms ease, text-shadow 180ms ease;
}

.target-note span {
  margin-left: 2px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .38em;
  font-weight: 650;
  letter-spacing: 0;
}

.cents-cell {
  text-align: center;
}

.cents-readout {
  display: block;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 1.875rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  line-height: 1;
  transition: color 180ms ease;
}

.cents-direction {
  display: block;
  min-height: 1.2em;
  margin-top: 4px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: .5625rem;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.cents-bar {
  position: relative;
  display: block;
  width: min(100%, 13.75rem);
  height: 5px;
  margin: 11px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(241,122,84,.38), rgba(255,255,255,.075) 46% 54%, rgba(241,122,84,.38));
}

.cents-bar i {
  position: absolute;
  top: -3px;
  bottom: -3px;
  left: 50%;
  width: 1px;
  background: var(--line-strong);
}

.cents-bar b {
  position: absolute;
  top: 50%;
  left: var(--cents-position, 50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 9px rgba(244,185,74,.72);
  transform: translate(-50%, -50%);
  transition: left 110ms linear, background 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.detected-frequency {
  max-width: 100%;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  line-height: 1.25;
}

[data-reading="no-signal"] .cents-bar b {
  opacity: .28;
  box-shadow: none;
}

[data-locked="true"] .target-note,
[data-locked="true"] .target-note span {
  color: var(--green-lit);
  text-shadow: 0 0 18px rgba(117,211,157,.22);
}

[data-locked="true"] .cents-readout {
  color: var(--green);
}

[data-locked="true"] .cents-bar b {
  background: var(--green);
  box-shadow: 0 0 11px rgba(117,211,157,.8);
}

.verdict {
  position: relative;
  display: flex;
  width: 100%;
  min-width: 0;
  min-height: 2.625rem;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  margin-top: 14px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(0,0,0,.3);
}

.verdict > svg {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  transform: rotate(-90deg);
}

.hold-track,
.hold-value {
  fill: none;
  stroke-width: 6;
}

.hold-track { stroke: rgba(255,255,255,0.08); }
.hold-value { stroke: var(--green); transition: stroke-dashoffset 100ms linear; }

.signal-light {
  width: 8px;
  height: 8px;
  margin-left: 1px;
  border-radius: 50%;
  background: var(--faint);
  box-shadow: 0 0 9px rgba(105, 115, 109, 0.45);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.verdict strong {
  min-width: 0;
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .035em;
  line-height: 1.2;
  text-transform: uppercase;
}

[data-reading="flat"] .signal-light,
[data-reading="very-flat"] .signal-light,
[data-reading="sharp"] .signal-light,
[data-reading="very-sharp"] .signal-light {
  background: var(--amber);
  box-shadow: 0 0 12px rgba(244,185,74,.68);
}

[data-locked="true"] .signal-light {
  background: var(--green);
  box-shadow: 0 0 16px rgba(117, 211, 157, 0.7);
}

[data-locked="true"] .verdict strong {
  color: var(--green-lit);
}

.string-bank {
  display: grid;
  margin: 16px 2px;
  grid-template-columns: repeat(6, 1fr);
  gap: 7px;
}

.tuner-pedal[data-mode="quick"] .string-bank {
  grid-template-columns: 1fr;
}

.tuner-pedal[data-mode="quick"] .string-control {
  min-height: 3.25rem;
  grid-template-rows: minmax(1.5rem, auto) auto;
}

.string-control {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 4.75rem;
  padding: 7px 4px 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: linear-gradient(180deg, rgba(35,45,38,.92), rgba(18,24,20,.96));
  box-shadow: inset 0 1px rgba(255,255,255,.045), 0 5px 12px -9px #000;
  cursor: pointer;
  grid-template-columns: 1fr auto;
  grid-template-rows: minmax(2.125rem, auto) auto;
  transition: border-color 140ms ease, background 140ms ease, transform 140ms ease;
}

.string-control:hover {
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(40,51,43,.96), rgba(20,27,23,.98));
}

.string-control:active {
  transform: translateY(1px);
}

.string-control[aria-pressed="true"] {
  border-color: rgba(244,185,74,.78);
  background: linear-gradient(180deg, rgba(244,185,74,.15), rgba(244,185,74,.075));
  box-shadow: inset 0 1px rgba(255,255,255,.07), 0 0 0 1px rgba(244,185,74,.22), 0 0 20px -9px rgba(244,185,74,.72);
}

.string-control[data-complete="true"]::after {
  position: absolute;
  top: 7px;
  right: 7px;
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border: 1px solid rgba(117,211,157,.55);
  border-radius: 50%;
  background: #173124;
  color: var(--green);
  box-shadow: 0 0 8px rgba(117,211,157,.62);
  content: "✓";
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 900;
}

.string-control[data-complete="true"] {
  border-color: rgba(117,211,157,.52);
}

.string-control[data-complete="true"][aria-pressed="true"] {
  background: linear-gradient(180deg, rgba(117,211,157,.14), rgba(117,211,157,.06));
  box-shadow: inset 0 1px rgba(255,255,255,.07), 0 0 0 1px rgba(117,211,157,.2), 0 0 20px -9px rgba(117,211,157,.72);
}

.tuner-pedal[data-session-complete="true"] {
  border-color: rgba(117,211,157,.58);
  box-shadow: 0 36px 80px rgba(0,0,0,.48), 0 0 56px rgba(117,211,157,.12), inset 0 1px rgba(255,255,255,.06);
}

.tuner-pedal[data-session-complete="true"]::before {
  background: radial-gradient(circle at 50% 25%, var(--green-dim), transparent 48%);
  opacity: 1;
}

.string-control .string-wire {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 19px;
  width: var(--wire);
  border-radius: 10px;
  background: linear-gradient(90deg, #4a514d, #d1d2ca 38%, #6f756f 76%);
  box-shadow: 1px 0 1px #000;
  opacity: 0.48;
  transform-origin: center;
}

[data-reading]:not([data-reading="no-signal"]) .string-control[aria-pressed="true"] .string-wire {
  opacity: 0.9;
  animation: string-vibrate 90ms linear infinite alternate;
}

[data-reading="in-tune"] .string-control[aria-pressed="true"] .string-wire {
  background: linear-gradient(90deg, #4a7660, #bff0d2 38%, #5ba97b 76%);
  animation-duration: 170ms;
}

.string-control b {
  align-self: center;
  color: var(--muted);
  font-family: var(--display);
  font-size: 1.625rem;
  font-weight: 800;
  grid-column: 2;
  line-height: 1;
}

.string-control small {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.4em;
}

.string-control > span:not(.string-wire) {
  align-self: end;
  color: var(--faint);
  font-family: var(--mono);
  font-size: .5625rem;
  grid-column: 2;
}

.string-control[aria-pressed="true"] b {
  color: var(--amber-lit);
}

.string-control[data-complete="true"] b,
.string-control[data-complete="true"][aria-pressed="true"] b {
  color: var(--green-lit);
}

.string-control i {
  position: absolute;
  right: 8px;
  bottom: 8px;
}

.pedal-actions {
  display: grid;
  position: relative;
  margin: 0 0 18px;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr);
  gap: 12px;
}

.primary-action,
.secondary-action,
.primary-link {
  display: inline-flex;
  min-height: 3.375rem;
  align-items: center;
  justify-content: center;
  gap: 11px;
  border-radius: 14px;
  font-size: .875rem;
  font-weight: 800;
  letter-spacing: 0.025em;
  text-decoration: none;
  text-transform: uppercase;
}

.primary-action {
  border: 1px solid var(--amber-lit);
  background: linear-gradient(180deg, var(--amber-lit), var(--amber) 62%, #dd9f2f);
  color: #211706;
  box-shadow: inset 0 1px rgba(255,255,255,.5), inset 0 -2px 4px rgba(120,72,0,.36), 0 10px 24px -10px rgba(244,185,74,.5);
  cursor: pointer;
}

.tuner-pedal:not([data-interacted="true"]) .primary-action[data-state="idle"] {
  animation: start-breathe 1800ms ease-in-out 3;
}

.primary-action:hover {
  filter: brightness(1.045);
}

.primary-action[data-state="listening"] {
  border-color: #b96043;
  background: #8f442f;
  color: #fff0e8;
}

.primary-action[data-state="requesting"] {
  background: #d49b39;
}

.primary-action[data-state="stopping"] {
  cursor: wait;
  opacity: .72;
}

.mic-icon {
  position: relative;
  width: 17px;
  height: 22px;
  border: 2px solid currentColor;
  border-radius: 10px;
}

.mic-icon::before {
  position: absolute;
  top: 10px;
  left: 50%;
  width: 23px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  border-left: 2px solid currentColor;
  border-radius: 0 0 12px 12px;
  content: "";
  transform: translateX(-50%);
}

.mic-icon::after {
  position: absolute;
  bottom: -7px;
  left: 50%;
  width: 2px;
  height: 6px;
  background: currentColor;
  content: "";
  transform: translateX(-50%);
}

.secondary-action {
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, var(--metal-lit), var(--metal));
  color: var(--ink);
  box-shadow: inset 0 1px rgba(255,255,255,.055), 0 6px 14px -8px #000;
  cursor: pointer;
}

.secondary-action:hover {
  border-color: var(--amber);
}

.secondary-action svg {
  width: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

[data-playing="true"] {
  border-color: var(--amber) !important;
  box-shadow: 0 0 0 3px var(--amber-dim);
}

.session-message {
  min-height: 2.4375rem;
  padding: 12px 6px 0;
  color: var(--muted);
  font-size: .75rem;
  text-align: center;
}

.permission-error {
  margin: 11px 2px 0;
  padding: 12px 14px;
  border-left: 3px solid var(--coral);
  background: rgba(241, 122, 84, 0.08);
  color: var(--muted);
  font-size: 12px;
}

.permission-error strong {
  display: block;
  margin-bottom: 2px;
  color: #ffad91;
  font-size: 13px;
}

.permission-error p {
  margin-bottom: 0;
}

.reset-link {
  display: block;
  min-height: 2.75rem;
  margin: 6px auto -8px;
  border: 0;
  background: none;
  color: var(--faint);
  cursor: pointer;
  font-size: .6875rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.tuner-pedal[data-tuning-scope="alternate"] .mode-switch {
  grid-template-columns: 1fr;
}

.tuning-rack {
  display: grid;
  padding-block: clamp(48px, 7vw, 84px);
  border-top: 1px solid var(--line);
  grid-template-columns: minmax(220px, .42fr) minmax(0, 1.58fr);
  align-items: start;
  gap: clamp(32px, 6vw, 74px);
}

.tuning-rack-heading h2 {
  margin: 0 0 14px;
  font-size: clamp(31px, 3.8vw, 50px);
}

.tuning-rack-heading > p:last-child {
  max-width: 360px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.tuning-rack-links {
  display: grid;
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tuning-rack-links a {
  position: relative;
  display: grid;
  min-height: 68px;
  align-content: center;
  padding: 12px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.009);
  text-decoration: none;
  transition: background 140ms ease, color 140ms ease;
}

.tuning-rack-links a:hover {
  background: rgba(244,185,74,.065);
}

.tuning-rack-links a[aria-current="page"] {
  background: var(--amber-dim);
  box-shadow: inset 3px 0 var(--amber);
}

.tuning-rack-links strong {
  font-family: var(--display);
  font-size: 17px;
  letter-spacing: .025em;
  line-height: 1.15;
  text-transform: uppercase;
}

.tuning-rack-links span {
  margin-top: 4px;
  overflow: hidden;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .08em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tuning-detail {
  padding-block: clamp(74px, 10vw, 132px);
}

.tuning-detail-heading {
  display: grid;
  margin-bottom: clamp(46px, 7vw, 82px);
  grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
  align-items: end;
  gap: clamp(32px, 7vw, 92px);
}

.tuning-detail-heading h2 {
  max-width: 660px;
  margin: 0;
}

.tuning-detail-heading > p {
  max-width: 590px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.tuning-facts {
  display: grid;
  margin-bottom: clamp(58px, 8vw, 96px);
  border-block: 1px solid var(--line-strong);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tuning-fact {
  min-width: 0;
  padding: 26px clamp(18px, 3vw, 32px) 30px;
  border-right: 1px solid var(--line);
}

.tuning-fact:first-child {
  padding-left: 0;
}

.tuning-fact:last-child {
  padding-right: 0;
  border-right: 0;
}

.tuning-fact span {
  display: block;
  margin-bottom: 11px;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.tuning-fact h3 {
  margin-bottom: 10px;
  font-family: var(--display);
  font-size: 23px;
  letter-spacing: -.015em;
  text-transform: uppercase;
}

.tuning-fact p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.tuning-frequency-layout {
  display: grid;
  grid-template-columns: minmax(220px, .58fr) minmax(480px, 1.42fr);
  align-items: start;
  gap: clamp(42px, 8vw, 104px);
}

.tuning-frequency-layout h3 {
  margin-bottom: 12px;
  font-family: var(--display);
  font-size: clamp(29px, 4vw, 44px);
  letter-spacing: -.03em;
  line-height: 1;
  text-transform: uppercase;
}

.tuning-frequency-layout > div:first-child p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.one-change,
.frequency-section,
.faq-section {
  border-block: 1px solid var(--line);
  background: rgba(255,255,255,0.012);
}

.one-change-inner {
  display: grid;
  padding-block: clamp(64px, 9vw, 116px);
  grid-template-columns: minmax(0, 0.86fr) minmax(430px, 1.14fr);
  align-items: center;
  gap: clamp(52px, 9vw, 120px);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(40px, 5vw, 66px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.98;
  text-transform: uppercase;
}

.one-change-inner > div:first-child > p:last-child,
.frequency-layout > div:first-child > p:last-child,
.why-copy > p:last-child {
  max-width: 570px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.pitch-drop {
  display: grid;
  grid-template-columns: 1fr 112px 1fr;
  align-items: center;
}

.pitch-drop button {
  display: grid;
  min-height: 170px;
  justify-items: center;
  padding: 22px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #0b100e;
  cursor: pointer;
  transition: border-color 140ms ease, transform 140ms ease;
}

.pitch-drop button:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

.pitch-drop button:last-child {
  border-color: rgba(244,185,74,.45);
  background: var(--amber-dim);
}

.pitch-drop span,
.pitch-drop em {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 10px;
  font-style: normal;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.pitch-drop b {
  font-family: var(--display);
  font-size: 72px;
  letter-spacing: -.04em;
  line-height: 1;
}

.pitch-drop small {
  color: var(--faint);
  font-family: var(--mono);
  font-size: .24em;
}

.pitch-drop > svg {
  width: 100%;
  fill: none;
  stroke: var(--amber);
  stroke-width: 1.6;
}

.how-to {
  padding-block: clamp(78px, 10vw, 142px);
}

.section-heading {
  display: grid;
  margin-bottom: 52px;
  grid-template-columns: 0.45fr 1fr;
  align-items: end;
  gap: 36px;
}

.section-heading .eyebrow {
  margin-bottom: 9px;
}

.section-heading h2 {
  max-width: 760px;
  margin: 0;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  grid-template-columns: .45fr 1fr;
  gap: 36px;
}

.steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.steps li > span {
  color: var(--amber);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
}

.steps h3 {
  margin-bottom: 7px;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -.02em;
  text-transform: uppercase;
}

.steps p {
  max-width: 710px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.steps strong {
  color: var(--ink);
}

.frequency-layout {
  display: grid;
  padding-block: clamp(72px, 10vw, 124px);
  grid-template-columns: minmax(0, .74fr) minmax(500px, 1.26fr);
  align-items: start;
  gap: clamp(52px, 9vw, 116px);
}

.frequency-board {
  border-top: 1px solid var(--line-strong);
}

.frequency-row {
  display: grid;
  min-height: 56px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  grid-template-columns: 1.4fr .6fr .8fr;
}

.frequency-row > :last-child {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.frequency-row b {
  color: var(--ink);
  font-family: var(--display);
  font-size: 21px;
}

.frequency-row.heading {
  min-height: 40px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.why-drop {
  display: grid;
  padding-block: clamp(84px, 11vw, 150px);
  grid-template-columns: minmax(0, 1fr) minmax(360px, .8fr);
  align-items: center;
  gap: clamp(52px, 10vw, 130px);
}

.fret-demo {
  width: 100%;
  padding: 18px 0 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.fret-demo:hover .fretboard {
  border-color: #6b4e31;
  box-shadow: inset 0 0 32px rgba(0,0,0,.5), 0 20px 50px rgba(0,0,0,.25), 0 0 24px rgba(244,185,74,.08);
}

.fret-label {
  display: block;
  margin-bottom: 12px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.fretboard {
  position: relative;
  display: grid;
  height: 250px;
  padding-inline: 32px;
  border-block: 4px solid #4a3724;
  background:
    repeating-linear-gradient(90deg, transparent 0 calc(20% - 2px), rgba(214,208,190,.56) calc(20% - 2px) 20%),
    linear-gradient(90deg, #241b14, #3c2b1f 50%, #241b14);
  box-shadow: inset 0 0 32px rgba(0,0,0,.5), 0 20px 50px rgba(0,0,0,.25);
  grid-template-rows: repeat(6, 1fr);
}

.fretboard i {
  position: absolute;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(#555, #d1cfc5, #555);
  box-shadow: 0 1px #000;
}

.fretboard i:nth-child(1) { top: 16.66%; height: 4px; }
.fretboard i:nth-child(2) { top: 33.33%; height: 3.4px; }
.fretboard i:nth-child(3) { top: 50%; height: 2.8px; }
.fretboard i:nth-child(4) { top: 66.66%; height: 2.2px; }
.fretboard i:nth-child(5) { top: 83.33%; height: 1.6px; }

.fretboard .bar {
  position: absolute;
  z-index: 2;
  top: 3%;
  bottom: 49%;
  left: 50%;
  width: 14px;
  border-radius: 10px;
  background: var(--amber);
  box-shadow: 0 0 22px rgba(244,185,74,.35);
  transform: translateX(-50%);
}

.fretboard span {
  position: relative;
  z-index: 3;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  align-self: center;
  justify-self: center;
  border: 2px solid #211706;
  border-radius: 50%;
  background: var(--amber-lit);
  color: #211706;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  grid-row: var(--row);
}

.fret-demo > p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.faq-section {
  padding-block: clamp(76px, 10vw, 126px);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(300px, .66fr) minmax(500px, 1.34fr);
  align-items: start;
  gap: clamp(50px, 10vw, 130px);
}

.faq-layout .section-heading {
  display: block;
  margin: 0;
  position: sticky;
  top: 106px;
}

.faq-list {
  border-top: 1px solid var(--line-strong);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 24px 52px 24px 0;
  cursor: pointer;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 750;
  list-style: none;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary span,
.faq-list summary span::after {
  position: absolute;
  top: 50%;
  right: 8px;
  width: 18px;
  height: 1px;
  background: var(--amber);
  content: "";
  transition: transform 160ms ease;
}

.faq-list summary span::after {
  top: 0;
  right: 0;
  transform: rotate(90deg);
}

.faq-list details[open] summary span::after {
  transform: rotate(0deg);
}

.faq-list details p {
  max-width: 690px;
  margin: -5px 52px 25px 0;
  color: var(--muted);
  font-size: 16px;
}

.final-cta {
  display: flex;
  min-height: 280px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.final-cta p {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 800;
  letter-spacing: -.04em;
  text-transform: uppercase;
}

.primary-link {
  min-width: 210px;
  padding-inline: 24px;
  background: var(--amber);
  color: #211706;
}

.primary-link:hover {
  background: var(--amber-lit);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #060807;
}

.footer-inner {
  display: grid;
  min-height: 132px;
  align-items: center;
  grid-template-columns: auto 1fr auto auto;
  gap: 28px;
}

.footer-brand {
  font-size: 15px;
}

.footer-inner p,
.footer-inner > span {
  margin: 0;
  color: var(--faint);
  font-size: 12px;
}

.site-footer nav {
  display: flex;
  gap: 18px;
}

.legal-dialog {
  width: min(700px, calc(100% - 32px));
  max-height: min(82dvh, 780px);
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: #0d1210;
  color: var(--ink);
  box-shadow: 0 40px 100px rgba(0,0,0,.72);
}

.legal-dialog::backdrop {
  background: rgba(2, 4, 3, .76);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.dialog-topline {
  position: sticky;
  z-index: 2;
  top: 0;
  display: flex;
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 0 26px;
  border-bottom: 1px solid var(--line);
  background: rgba(13,18,16,.96);
}

.dialog-topline span {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.dialog-topline button {
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 28px;
}

.dialog-topline button:hover {
  background: rgba(255,255,255,.04);
  color: var(--ink);
}

.legal-dialog article {
  max-height: calc(min(82dvh, 780px) - 60px);
  padding: clamp(28px, 5vw, 52px);
  overflow-y: auto;
}

.legal-dialog h2 {
  margin-bottom: 34px;
  font-size: clamp(42px, 7vw, 62px);
}

.legal-dialog h3 {
  margin: 28px 0 6px;
  font-size: 21px;
  text-transform: uppercase;
}

.legal-dialog p {
  color: var(--muted);
}

.back-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-left: auto;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.back-link:hover {
  color: var(--amber);
}

.legal-page {
  max-width: 820px;
  padding-block: clamp(70px, 10vw, 128px);
}

.legal-page > h1,
.not-found h1 {
  margin-bottom: clamp(44px, 7vw, 74px);
  font-size: clamp(60px, 10vw, 104px);
}

.legal-page section {
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

.legal-page section h2 {
  margin-bottom: 10px;
  font-size: clamp(28px, 4vw, 38px);
}

.legal-page section p,
.not-found > p:not(.eyebrow) {
  max-width: 690px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.legal-return {
  margin-top: 32px;
  padding-inline: 25px;
}

.not-found {
  display: grid;
  min-height: 100dvh;
  align-content: center;
  justify-items: start;
}

.not-found h1 {
  max-width: 780px;
  margin-bottom: 24px;
}

.not-found .primary-link {
  margin-top: 30px;
  padding-inline: 24px;
}

@keyframes reveal-up {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pedal-in {
  from { opacity: 0; transform: perspective(1200px) rotateX(3deg) translateY(24px) scale(.985); }
  to { opacity: 1; transform: perspective(1200px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)); }
}

@keyframes string-vibrate {
  from { transform: translateX(-1px) skewX(-.3deg); }
  to { transform: translateX(1px) skewX(.3deg); }
}

@keyframes start-breathe {
  0%, 100% { box-shadow: inset 0 1px rgba(255,255,255,.4), 0 6px 20px rgba(244,185,74,.12); }
  50% { box-shadow: inset 0 1px rgba(255,255,255,.4), 0 8px 30px rgba(244,185,74,.3); }
}

@keyframes lock-exhale {
  0% { box-shadow: inset 0 0 0 0 rgba(117,211,157,.48); opacity: .96; }
  45% { box-shadow: inset 0 0 42px 5px rgba(117,211,157,.16); opacity: 1; }
  100% { box-shadow: inset 0 0 70px 10px rgba(117,211,157,0); opacity: .8; }
}

@media (max-width: 1030px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    display: grid;
    max-width: 780px;
    justify-items: start;
  }

  h1 {
    font-size: clamp(64px, 11vw, 100px);
  }

  .tuner-pedal {
    max-width: 780px;
    margin-inline: auto;
  }

  .one-change-inner,
  .frequency-layout,
  .why-drop,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .one-change-inner,
  .frequency-layout,
  .why-drop,
  .faq-layout {
    gap: 48px;
  }

  .pitch-drop,
  .frequency-board,
  .fret-demo {
    max-width: 720px;
  }

  .faq-layout .section-heading {
    position: static;
  }

  .tuning-rack,
  .tuning-detail-heading,
  .tuning-frequency-layout {
    grid-template-columns: 1fr;
  }

  .tuning-rack,
  .tuning-detail-heading,
  .tuning-frequency-layout {
    gap: 38px;
  }

  .tuning-frequency-layout .frequency-board {
    width: 100%;
  }
}

@media (min-width: 1031px) and (max-height: 850px) {
  .hero {
    align-items: start;
    padding-top: 24px;
  }
}

@media (max-width: 760px) {
  .header-inner,
  .section-inner,
  .hero {
    width: min(calc(100% - 28px), var(--max));
  }

  .header-inner {
    min-height: 58px;
  }

  .site-header nav {
    display: none;
  }

  .local-audio {
    margin-left: auto;
    padding-left: 0;
    border-left: 0;
  }

  .hero {
    padding-top: 34px;
    gap: 34px;
  }

  .hero-copy .text-link {
    display: none;
  }

  .tuner-pedal {
    padding: 17px;
    border-radius: 21px;
  }

  .meter {
    min-height: 0;
    padding: 15px 15px 13px;
  }

  .meter-readout {
    gap: 12px;
  }

  .target-note {
    font-size: 3.75rem;
  }

  .string-bank {
    gap: 5px;
  }

  .string-control {
    min-height: 4.375rem;
  }

  .string-control .string-wire {
    left: 13px;
  }

  .string-control b {
    font-size: 1.4375rem;
  }

  .section-heading,
  .steps li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .section-heading {
    margin-bottom: 35px;
  }

  .tuning-rack-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tuning-facts {
    grid-template-columns: 1fr;
  }

  .tuning-fact,
  .tuning-fact:first-child,
  .tuning-fact:last-child {
    padding: 22px 0 24px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .tuning-fact:last-child {
    border-bottom: 0;
  }

  .steps li {
    padding: 25px 0;
  }

  .pitch-drop {
    grid-template-columns: 1fr 48px 1fr;
  }

  .pitch-drop button {
    min-height: 145px;
    padding: 14px 8px;
  }

  .pitch-drop b {
    font-size: 58px;
  }

  .footer-inner {
    padding-block: 32px;
    grid-template-columns: 1fr auto;
    gap: 15px;
  }

  .footer-inner p {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .footer-inner > span {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .brand {
    font-size: 15px;
  }

  .brand svg {
    width: 26px;
    height: 26px;
  }

  .local-audio {
    font-size: 9px;
  }

  h1 {
    margin-bottom: 18px;
    font-size: clamp(54px, 16.2vw, 72px);
  }

  .hero-lede {
    font-size: 15px;
  }

  .tuning-signature {
    margin-block: 20px;
  }

  .tuning-signature span {
    font-size: 14px;
  }

  .pedal-header {
    padding-inline: 2px;
  }

  .meter {
    min-height: 0;
  }

  .meter-readout {
    grid-template-columns: minmax(3.75rem, .65fr) minmax(7rem, 1.45fr) minmax(4.75rem, .8fr);
  }

  .target-note {
    font-size: 3.25rem;
  }

  .detected-frequency {
    font-size: .875rem;
  }

  .cents-readout {
    font-size: 1.5rem;
  }

  .verdict strong {
    font-size: .875rem;
  }

  .string-control {
    min-height: 4rem;
    padding-right: 3px;
  }

  .string-control .string-wire {
    left: 9px;
  }

  .string-control b {
    font-size: 1.3125rem;
  }

  .pedal-actions {
    grid-template-columns: 1fr;
  }

  .primary-action,
  .secondary-action {
    min-height: 3.25rem;
  }

  .one-change-inner,
  .frequency-layout,
  .why-drop,
  .faq-layout {
    gap: 38px;
  }

  .tuning-rack-links {
    grid-template-columns: 1fr;
  }

  h2 {
    font-size: clamp(38px, 12vw, 50px);
  }

  .pitch-drop {
    grid-template-columns: 1fr 34px 1fr;
  }

  .pitch-drop > svg {
    overflow: visible;
  }

  .pitch-drop button {
    min-width: 0;
    min-height: 128px;
  }

  .pitch-drop b {
    font-size: 48px;
  }

  .frequency-row {
    font-size: 12px;
    grid-template-columns: 1.25fr .55fr .85fr;
  }

  .why-drop {
    grid-template-columns: minmax(0, 1fr);
  }

  .fretboard {
    height: 210px;
  }

  .faq-list summary {
    font-size: 19px;
  }

  .final-cta {
    min-height: 240px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .primary-link {
    width: 100%;
  }

  .legal-dialog article {
    padding: 26px 22px 36px;
  }
}

@media (max-width: 430px) {
  .hero {
    padding-top: 16px;
    padding-bottom: 48px;
    gap: 16px;
  }

  .hero-copy .eyebrow {
    margin-bottom: 7px;
  }

  h1 {
    margin-bottom: 10px;
    font-size: clamp(44px, 14vw, 58px);
  }

  .hero-lede {
    display: none;
  }

  .tuning-signature {
    display: none;
  }

  .tuner-pedal {
    padding: 12px;
  }

  .pedal-topline { margin-bottom: 8px; }
  .mode-switch { margin: 0; }
  .power-state { display: none; }

  .mode-switch button {
    padding-inline: 7px;
    font-size: .5625rem;
  }

  .pedal-header {
    margin-bottom: 5px;
    gap: 8px;
  }

  .pedal-header strong {
    font-size: .625rem;
  }

  .session-progress {
    flex: 0 0 auto;
    font-size: .5625rem;
  }

  .pedal-actions {
    margin: 8px 0 10px;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    gap: 6px;
  }

  .primary-action,
  .secondary-action {
    min-height: 2.875rem;
    gap: 7px;
    font-size: .6875rem;
  }

  .meter {
    min-height: 0;
    padding: 10px 10px 9px;
  }

  .meter-face {
    height: 7rem;
  }

  .meter-readout {
    gap: 7px;
    margin-top: 3px;
    padding: 10px 2px 3px;
    grid-template-columns: minmax(0, .66fr) minmax(0, 1.35fr) minmax(0, .82fr);
  }

  .target-note {
    font-size: 2.75rem;
  }

  .readout-label,
  .cents-direction {
    font-size: .5rem;
  }

  .cents-readout {
    font-size: 1.375rem;
  }

  .detected-frequency {
    font-size: .75rem;
  }

  .cents-bar {
    margin-top: 8px;
  }

  .verdict {
    min-height: 2.5rem;
    gap: 9px;
    margin-top: 10px;
    padding: 6px 9px;
  }

  .verdict > svg {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
  }

  .verdict strong {
    font-size: .75rem;
  }

  .input-lane {
    display: none;
  }

  .signal-quality {
    min-height: 1.3125rem;
    margin-top: 5px;
    font-size: .5625rem;
  }

  .string-bank {
    margin-block: 8px;
    grid-template-columns: repeat(3, 1fr);
  }

  .string-control {
    min-height: 3.25rem;
  }

  .tuner-pedal[data-mode="quick"] .string-control {
    min-height: 2.75rem;
  }

  .session-message {
    min-height: 1.875rem;
    padding-top: 7px;
    font-size: .625rem;
  }
}

@media (max-width: 360px) {
  .string-bank {
    grid-template-columns: repeat(3, 1fr);
  }

  .string-control {
    min-height: 4rem;
  }

  .string-control .string-wire {
    left: 16px;
  }
}

@media (max-height: 430px) and (orientation: landscape) {
  .site-header {
    position: static;
  }

  .header-inner {
    min-height: 44px;
  }

  .local-audio,
  .site-header nav {
    display: none;
  }

  .hero {
    display: block;
    width: min(calc(100% - 16px), 820px);
    min-height: auto;
    padding: 8px 0 24px;
  }

  .hero-copy {
    display: none;
  }

  .tuner-pedal {
    display: grid;
    max-width: 820px;
    padding: 8px;
    grid-template-areas:
      "mode meter"
      "header meter"
      "actions meter"
      "signal signal"
      "strings strings"
      "status status"
      "error error"
      "reset reset";
    grid-template-columns: minmax(188px, .72fr) minmax(320px, 1.28fr);
    grid-template-rows: auto auto auto auto auto auto auto auto;
    column-gap: 8px;
  }

  .pedal-topline { grid-area: mode; margin: 0 0 5px; }
  .mode-switch { margin: 0; }
  .power-state { display: none; }
  .pedal-header { grid-area: header; margin: 0 0 4px; padding-inline: 2px; }
  .pedal-actions { grid-area: actions; margin: 0; grid-template-columns: 1fr; gap: 4px; }
  .meter { grid-area: meter; min-height: 0; padding: 7px 9px; }
  .input-lane { display: none; }
  .signal-quality { grid-area: signal; align-self: center; margin: 4px 0 0; }
  .string-bank { grid-area: strings; margin: 6px 0; grid-template-columns: repeat(6, 1fr); }
  .session-message { grid-area: status; min-height: 1.5rem; padding-top: 4px; }
  .permission-error { grid-area: error; }
  .reset-link { grid-area: reset; }

  .mode-switch button,
  .primary-action,
  .secondary-action {
    min-height: 2.875rem;
    font-size: .5625rem;
  }

  .tuner-pedal[data-mode="quick"] .string-bank {
    grid-template-columns: 1fr;
  }

  .string-control,
  .tuner-pedal[data-mode="quick"] .string-control {
    min-height: 2.875rem;
  }

  .meter-face { height: 8rem; }
  .meter-readout { margin-top: 0; padding-top: 6px; }
  .target-note { font-size: 2.5rem; }
  .verdict { min-height: 2.25rem; margin-top: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .tuner-pedal { transform: none !important; }
  .tuner-pedal:not([data-interacted="true"]) .primary-action { animation: none !important; }
  .input-lane canvas { display: none; }
  .input-lane [data-level-bar] { display: block; transition: none !important; }
}