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

:root {
  --ink: #f2efe6;
  --ink-dim: #9b968c;
  --ink-faint: #5d5a54;
  --amber: #ffb23f;
  --bg: #0b0b0e;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

#stage {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

/* Film grain and a vignette over the render, so the room never looks like clean CGI. */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 1;
  pointer-events: none;
  opacity: .5;
  background-image:
    radial-gradient(1px 1px at 17px 23px, rgba(255,255,255,.07), transparent),
    radial-gradient(1px 1px at 61px 9px, rgba(255,255,255,.05), transparent),
    radial-gradient(1px 1px at 33px 71px, rgba(255,255,255,.06), transparent),
    radial-gradient(1px 1px at 95px 47px, rgba(255,255,255,.04), transparent);
  background-size: 120px 120px;
  animation: drift 7s steps(6) infinite;
}

@keyframes drift {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-120px, 120px, 0); }
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 45%, transparent 38%, rgba(0,0,0,.72) 100%);
}

/* ---------- chrome ---------- */

.bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .28em;
  text-transform: uppercase;
  mix-blend-mode: difference;
}

.bar .mark { color: var(--ink); }
.bar nav { margin-left: auto; display: flex; gap: 20px; }

.bar a, .bar button {
  color: var(--ink-dim);
  text-decoration: none;
  background: none;
  border: 0;
  padding: 4px 0;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
  position: relative;
}

.bar a::after, .bar button::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: var(--ink);
  transition: width .45s cubic-bezier(.2, .8, .2, 1);
}

.bar a:hover, .bar button:hover, .bar button[aria-pressed="true"] { color: var(--ink); }
.bar a:hover::after, .bar button:hover::after, .bar button[aria-pressed="true"]::after { width: 100%; }

/* ---------- scroll beats ---------- */

main { position: relative; z-index: 4; }

.beat {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 120px 7vw;
}

.pad { max-width: 34rem; }
.pad.right { margin-left: auto; text-align: right; }
.pad.small { max-width: 25rem; }

/* Every beat's copy is driven from app.js: it rises, holds, and leaves before the next one arrives. */
.pad > * {
  opacity: 0;
  transform: translate3d(0, 26px, 0);
  transition: opacity .7s ease, transform .9s cubic-bezier(.2, .8, .2, 1);
}

.beat.live .pad > * { opacity: 1; transform: none; }
.beat.live .pad > *:nth-child(2) { transition-delay: .07s; }
.beat.live .pad > *:nth-child(3) { transition-delay: .14s; }
.beat.live .pad > *:nth-child(4) { transition-delay: .2s; }

.kicker {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .34em;
  color: var(--amber);
  margin: 0 0 18px;
}

h1 {
  font-size: clamp(3rem, 9vw, 7.5rem);
  line-height: .92;
  letter-spacing: -.045em;
  font-weight: 300;
  margin: 0 0 24px;
}

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

h2 {
  font-size: clamp(1.7rem, 3.4vw, 3rem);
  line-height: 1.04;
  letter-spacing: -.03em;
  font-weight: 300;
  margin: 0 0 18px;
}

p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
  margin: 0 0 14px;
  max-width: 30rem;
}

.pad.right p { margin-left: auto; }
.lede { color: var(--ink); font-size: 16px; }

.hint {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .4em;
  color: var(--ink-faint);
  margin-top: 40px;
}

.hint::after {
  content: "";
  display: block;
  width: 1px;
  height: 46px;
  margin-top: 12px;
  background: linear-gradient(var(--ink-faint), transparent);
  animation: pull 2.4s cubic-bezier(.4, 0, .2, 1) infinite;
  transform-origin: top;
}

@keyframes pull {
  0% { transform: scaleY(.2); opacity: 0; }
  40% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1) translateY(46px); opacity: 0; }
}

/* ---------- note form ---------- */

form { margin-top: 28px; max-width: 26rem; }

label {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .3em;
  color: var(--ink-faint);
  margin-bottom: 16px;
}

input, textarea {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 11px 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 2px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0;
  resize: vertical;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--amber);
  background: rgba(255, 178, 63, .06);
}

form button {
  min-height: 44px;
  padding: 0 22px;
  background: var(--ink);
  color: #111;
  border: 0;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .28em;
  cursor: pointer;
  transition: transform .3s cubic-bezier(.2, .8, .2, 1), background .3s;
}

form button:hover { transform: translateY(-2px); background: var(--amber); }

.said {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--amber);
  margin: 14px 0 0;
  min-height: 1.2em;
}

.said[data-bad="1"] { color: #ff7a6b; }

/* ---------- end ---------- */

.end {
  position: relative;
  z-index: 4;
  min-height: 86vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 7vw;
  text-align: center;
}

.wordmark {
  font-size: clamp(2rem, 13vw, 11rem);
  letter-spacing: -.05em;
  font-weight: 300;
  color: rgba(242, 239, 230, .1);
  margin: 0 0 18px;
  white-space: nowrap;
}

.fine {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--ink-faint);
  margin: 0 auto;
  max-width: 34rem;
  line-height: 1.9;
}

.nojs {
  position: relative;
  z-index: 5;
  padding: 24px 7vw;
  font-family: var(--mono);
  font-size: 12px;
}

@media (max-width: 760px) {
  .bar { gap: 14px; padding: 14px 18px; letter-spacing: .18em; }
  .bar nav { gap: 12px; }
  .bar button { display: none; }
  .beat { padding: 96px 7vw; }
  .pad, .pad.right, .pad.small { max-width: none; margin: 0; text-align: left; }
  .pad.right p { margin-left: 0; }
  .wordmark { letter-spacing: -.03em; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .grain { animation: none; }
  .hint::after { animation: none; }
  .pad > * { transition-duration: .01ms; opacity: 1; transform: none; }
}

/* Beats 3 to 5 sit over the lit tube, so their copy gets its own plate to stay readable. */
.beat[data-beat="3"],
.beat[data-beat="4"],
.beat[data-beat="5"] { align-items: flex-end; padding-bottom: 9vh; }

.beat[data-beat="3"] .pad,
.beat[data-beat="4"] .pad,
.beat[data-beat="5"] .pad {
  max-width: 24rem;
  padding: 22px 26px 24px;
  background: rgba(8, 8, 11, .74);
  border-left: 2px solid var(--amber);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}

.beat[data-beat="3"] .pad h2,
.beat[data-beat="4"] .pad h2,
.beat[data-beat="5"] .pad h2 { font-size: clamp(1.4rem, 2.2vw, 2rem); }

.beat[data-beat="3"] .pad p,
.beat[data-beat="4"] .pad p,
.beat[data-beat="5"] .pad p { margin-bottom: 0; font-size: 14px; }

@media (max-width: 760px) {
  .beat[data-beat="3"],
  .beat[data-beat="4"],
  .beat[data-beat="5"] { padding-bottom: 4vh; }

  .beat[data-beat="3"] .pad,
  .beat[data-beat="4"] .pad,
  .beat[data-beat="5"] .pad { padding: 16px 18px 18px; }

  .beat[data-beat="3"] .pad h2,
  .beat[data-beat="4"] .pad h2,
  .beat[data-beat="5"] .pad h2 { font-size: 1.3rem; margin-bottom: 10px; }

  .beat[data-beat="3"] .pad p,
  .beat[data-beat="4"] .pad p,
  .beat[data-beat="5"] .pad p { font-size: 13px; line-height: 1.6; }

  .beat[data-beat="3"] .kicker,
  .beat[data-beat="4"] .kicker,
  .beat[data-beat="5"] .kicker { margin-bottom: 10px; }
}