:root {
  --void: #14041f;
  --launch: #2a0a3d;
  --signal: #9b5cdb;
  --ice: #f4eeff;
  --mute: #b8a8c9;
  --line: rgba(244, 238, 255, 0.12);
  --line-strong: rgba(155, 92, 219, 0.45);
  --amber: #c9a06a;
  --display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --body: "Atkinson Hyperlegible", ui-sans-serif, system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --space: 8px;
  --wide: 1080px;
  --prose: 68ch;
  --radius: 18px;
  --nav-h: 64px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--void);
  color: var(--ice);
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.55;
  min-height: 100dvh;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--signal);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--ice);
}

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

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  z-index: 100;
  background: var(--signal);
  color: var(--void);
  padding: 8px 12px;
  font-weight: 700;
}

.skip:focus {
  top: 12px;
}

.wrap {
  width: 100%;
  max-width: var(--wide);
  padding-inline: 20px;
  margin-inline: auto;
  min-width: 0;
  contain: inline-size;
}

/* --- nav --- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--void) 78%, transparent);
  border-bottom: 1px solid var(--line);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ice);
  text-decoration: none;
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.03em;
  font-size: 1.05rem;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  color: var(--mute);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.8rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ice);
}

/* --- hero --- */

.hero {
  position: relative;
  padding: 72px 0 48px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% 10% auto;
  height: 520px;
  background: radial-gradient(ellipse at center, color-mix(in srgb, var(--signal) 28%, transparent), transparent 68%);
  pointer-events: none;
}

.kicker {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 20px;
}

.hero h1 {
  position: relative;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5.6vw, 3.8rem);
  letter-spacing: -0.045em;
  line-height: 0.98;
  margin: 0 0 20px;
}

.lede {
  position: relative;
  max-width: 38ch;
  color: var(--mute);
  font-size: 1.15rem;
  margin: 0 0 40px;
  overflow-wrap: break-word;
}

.tone-deck {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.tone-card {
  background: linear-gradient(180deg, color-mix(in srgb, var(--launch) 88%, white 4%), var(--launch));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 20px 20px 16px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  min-width: 0;
  width: 100%;
}

.tone-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0 0 18px;
  width: 100%;
}

.tone-tabs button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  min-height: 44px;
  padding: 0 10px;
  cursor: pointer;
  border-radius: 999px;
}

.tone-tabs button:hover {
  color: var(--ice);
}

.tone-tabs button[aria-selected="true"] {
  color: var(--void);
  background: var(--signal);
}

.tone-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 10px;
}

.tone-body {
  font-family: var(--display);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin: 0 0 22px;
  min-height: 4.2em;
  overflow-wrap: break-word;
}

.tone-meter {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "wave wave"
    "bar rep";
  gap: 10px 12px;
  align-items: center;
}

.wave {
  grid-area: wave;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 22px;
  min-width: 0;
  overflow: hidden;
}

.wave i {
  display: block;
  width: 3px;
  height: 30%;
  background: var(--signal);
  border-radius: 2px;
  transform-origin: bottom;
  animation: pulse 1.15s ease-in-out infinite;
}

.wave i:nth-child(odd) { animation-delay: -0.2s; height: 55%; }
.wave i:nth-child(3n) { animation-delay: -0.45s; height: 80%; }
.wave i:nth-child(4n) { animation-delay: -0.7s; height: 40%; }

.progress {
  grid-area: bar;
  height: 3px;
  background: var(--line);
  border-radius: 99px;
  overflow: hidden;
  min-width: 0;
}

.progress > span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--signal);
  transform-origin: left;
}

.tone-card.is-running .progress > span {
  animation: load var(--cycle, 7s) linear infinite;
}

.rep {
  grid-area: rep;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--mute);
  white-space: nowrap;
}

@keyframes pulse {
  0%, 100% { transform: scaleY(0.45); opacity: 0.55; }
  50% { transform: scaleY(1); opacity: 1; }
}

@keyframes load {
  from { width: 0; }
  to { width: 100%; }
}

/* --- process --- */

.process {
  padding: 24px 0 72px;
}

.process-grid {
  display: grid;
  gap: 28px;
}

.step {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.step h2 {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 10px;
}

.step p {
  margin: 0;
  color: var(--mute);
  max-width: 46ch;
}

.step p strong {
  color: var(--ice);
  font-weight: 700;
}

.under,
.guide {
  padding: 8px 0 72px;
}

.under h2,
.guide h2 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0 0 16px;
  max-width: 18ch;
}

.under h2 {
  max-width: 22ch;
}

.guide-lede {
  color: var(--mute);
  max-width: 52ch;
  margin: 0 0 32px;
}

.versus {
  display: grid;
  gap: 16px;
}

.pair {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 20px 8px;
}

.pair-yes {
  border-color: var(--line-strong);
  background: color-mix(in srgb, var(--launch) 70%, transparent);
}

.pair h3 {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 12px;
  color: var(--mute);
}

.pair-yes h3 {
  color: var(--signal);
}

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

.pair li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  color: var(--ice);
}

.trim {
  padding: 0 0 80px;
}

.trim blockquote {
  margin: 0;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
}

.trim blockquote p {
  font-family: var(--display);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.35;
  margin: 0;
  max-width: 36ch;
}

.stage {
  padding: 8px 0 80px;
}

.stage-grid {
  display: grid;
  gap: 48px;
  align-items: center;
}

.phones {
  display: grid;
  gap: 20px;
  justify-items: center;
}

.phone {
  margin: 0;
  width: min(280px, 100%);
}

.phone img {
  width: 100%;
  height: auto;
  border-radius: 36px;
  border: 3px solid #3a2154;
  box-shadow:
    0 0 0 1px #6a3d96,
    0 40px 80px rgba(0, 0, 0, 0.5);
}

.device {
  width: min(320px, 100%);
  max-width: 100%;
  margin-inline: auto;
  background: #0b0312;
  border: 3px solid #3a2154;
  border-radius: 36px;
  padding: 12px 10px 16px;
  box-shadow:
    0 0 0 1px #6a3d96,
    0 40px 80px rgba(0, 0, 0, 0.5);
}

.device-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--launch);
  color: var(--ice);
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: -0.02em;
  padding: 10px 12px;
  border-radius: 8px 8px 0 0;
}

.device-bar span:last-child {
  font-size: 0.7rem;
  opacity: 0.7;
}

.device-list {
  background: #1a0c28;
  padding: 8px 0 0;
  min-height: 280px;
}

.device-section {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  padding: 8px 12px 4px;
}

.row {
  padding: 10px 12px 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.row-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--mute);
  margin-bottom: 4px;
}

.row-meta .today {
  color: var(--signal);
}

.row-meta .none {
  color: var(--amber);
}

.row-text {
  font-size: 0.82rem;
  line-height: 1.35;
}

.mini-wave {
  display: flex;
  gap: 2px;
  align-items: flex-end;
  height: 16px;
  margin-top: 8px;
}

.mini-wave i {
  width: 2px;
  background: var(--signal);
  border-radius: 1px;
  height: 40%;
}

.mini-wave i:nth-child(2n) { height: 70%; }
.mini-wave i:nth-child(3n) { height: 100%; }
.mini-wave i:nth-child(5n) { height: 30%; }

.player {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #241236;
  margin: 8px 8px 0;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.play-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--signal);
  color: var(--void);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.play-dot svg {
  width: 10px;
  height: 10px;
  margin-left: 1px;
}

.player-copy {
  min-width: 0;
}

.player-copy strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-copy span {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--mute);
}

.stats-list {
  padding: 8px 12px 16px;
  min-height: 280px;
}

.bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 88px;
  margin: 8px 0 18px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
}

.bars span {
  flex: 1;
  height: var(--h);
  background: var(--signal);
  border-radius: 3px 3px 0 0;
  opacity: 0.85;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.82rem;
}

.stat-row span {
  color: var(--mute);
}

.stat-row strong {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.78rem;
}

.stage-copy h2 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0 0 16px;
}

.stage-copy p {
  color: var(--mute);
  margin: 0 0 12px;
  max-width: 44ch;
}

/* --- features --- */

.features {
  padding: 0 0 80px;
}

.feature-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.feature {
  display: grid;
  gap: 8px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.feature h3 {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ice);
  margin: 0;
}

.feature p {
  margin: 0;
  color: var(--mute);
  max-width: 62ch;
}

.note {
  margin: 28px 0 0;
  color: color-mix(in srgb, var(--mute) 80%, transparent);
  font-size: 0.92rem;
  max-width: 62ch;
}

/* --- platforms --- */

.platforms {
  padding: 0 0 96px;
}

.platforms .panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 28px 24px;
  background: color-mix(in srgb, var(--launch) 55%, transparent);
}

.platforms h2 {
  font-family: var(--display);
  font-size: 1.6rem;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
}

.platforms p {
  margin: 0;
  color: var(--mute);
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.pills span {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ice);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 12px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
}

/* --- footer --- */

.site-foot {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--mute);
  font-size: 0.9rem;
}

.site-foot .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: center;
}

.site-foot nav {
  display: flex;
  gap: 16px;
}

.site-foot a {
  color: var(--mute);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.site-foot a:hover {
  color: var(--ice);
}

/* --- inner pages --- */

.page {
  padding: 48px 0 96px;
}

.page header h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0 0 8px;
}

.updated {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--mute);
  margin: 0 0 32px;
}

.prose {
  max-width: var(--prose);
  overflow-wrap: anywhere;
}

.prose h2 {
  font-family: var(--display);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  margin: 2rem 0 0.6rem;
}

.prose p,
.prose li {
  color: var(--mute);
}

.prose p {
  margin: 0 0 1rem;
}

.prose ul {
  padding-left: 1.2rem;
}

.prose li {
  margin: 0 0 0.45rem;
}

.prose strong {
  color: var(--ice);
}

/* --- 404 --- */

.lost {
  min-height: calc(100dvh - var(--nav-h) - 120px);
  display: grid;
  place-content: center;
  justify-items: center;
  text-align: center;
  padding: 48px 20px;
}

.lost h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 6vw, 3.4rem);
  letter-spacing: -0.04em;
  margin: 0 0 12px;
}

.lost p {
  color: var(--mute);
  margin: 0 0 24px;
}

.lost a.home {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--signal);
  color: var(--void);
  text-decoration: none;
  font-weight: 700;
  width: max-content;
}

.lost a.home:hover {
  color: var(--void);
  filter: brightness(1.08);
}

@media (min-width: 800px) {
  .tone-deck {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 48px;
    align-items: center;
  }

  .hero h1 {
    max-width: none;
  }

  .process-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .versus {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .stage-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .phones {
    grid-template-columns: repeat(2, minmax(0, 300px));
    justify-content: center;
  }

  .stage-copy {
    max-width: 50ch;
    margin-inline: auto;
    text-align: center;
  }

  .stage-copy p {
    margin-inline: auto;
  }

  .feature {
    grid-template-columns: 240px 1fr;
    gap: 24px;
    align-items: baseline;
  }
}

@media (max-width: 480px) {
  .wrap {
    padding-inline: 16px;
  }

  .hero {
    padding-top: 48px;
  }

  .nav-links a {
    padding: 0 8px;
  }

  .tone-tabs button {
    padding: 0 8px;
    font-size: 0.65rem;
  }

  .tone-body {
    min-height: 5.4em;
  }
}

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

  .wave i,
  .tone-card.is-running .progress > span {
    animation: none;
  }

  .wave i {
    transform: none;
    opacity: 0.85;
  }

  .progress > span {
    width: 40%;
  }
}