/* Colours are the Kindred design system's tokens (Two Desks), in both themes. */
:root {
  color-scheme: light;
  --surface: #F2F3EF;
  --raised: #FFFFFF;
  --sunken: #E7EAE4;
  --line: #C9CFC6;
  --line-strong: #78827D;
  --ink: #18201E;
  --muted: #56605C;
  --you: #2B3F7A;
  --on-you: #FFFFFF;
  --you-soft: #DEE3F2;
  --you-glow: #2B3F7A33;
  --lamp: #8F5D14;
  --lamp-soft: #FBEACD;
  --lamp-ink: #8F5D14;
  --glow: #F5BE5E73;
  --glow-strong: #F5BE5E99;
  --glow-end: #F5BE5E00;
  --fog: #D9DED7;
  --pencil: #6F6A61;
  --pencil-soft: #DFD8C8;
  --dawn: #FAEDE0;
  --dusk: #ECE8F3;
  --night: #E3E8F2;
  --blend: multiply;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface: #121716;
    --raised: #1B2220;
    --sunken: #0C100F;
    --line: #39433F;
    --line-strong: #6E7974;
    --ink: #E6EBE8;
    --muted: #A0AAA6;
    --you: #93A7EC;
    --on-you: #0F1834;
    --you-soft: #1E2848;
    --you-glow: #93A7EC40;
    --lamp: #F0B24F;
    --lamp-soft: #382810;
    --lamp-ink: #F2BE68;
    --glow: #F0B24F38;
    --glow-strong: #F0B24F66;
    --glow-end: #F0B24F00;
    --fog: #262E2C;
    --pencil: #ABA597;
    --pencil-soft: #463F33;
    --dawn: #1F1813;
    --dusk: #18151F;
    --night: #0F1320;
    --blend: screen;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --surface: #121716;
  --raised: #1B2220;
  --sunken: #0C100F;
  --line: #39433F;
  --line-strong: #6E7974;
  --ink: #E6EBE8;
  --muted: #A0AAA6;
  --you: #93A7EC;
  --on-you: #0F1834;
  --you-soft: #1E2848;
  --you-glow: #93A7EC40;
  --lamp: #F0B24F;
  --lamp-soft: #382810;
  --lamp-ink: #F2BE68;
  --glow: #F0B24F38;
  --glow-strong: #F0B24F66;
  --glow-end: #F0B24F00;
  --fog: #262E2C;
  --pencil: #ABA597;
  --pencil-soft: #463F33;
  --dawn: #1F1813;
  --dusk: #18151F;
  --night: #0F1320;
  --blend: screen;
}

* { box-sizing: border-box; }
/* Anchored sections start below the sticky bar. */
[id] { scroll-margin-top: 72px; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font: 400 17px/1.55 Onest, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  margin: 0;
  font-family: Parkinsans, Onest, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(44px, 6.2vw, 88px); line-height: 1.05; letter-spacing: -0.03em; }
h2 { font-size: clamp(32px, 3.6vw, 52px); line-height: 1.12; }
.light { font-weight: 300; }
p { margin: 0; }
a { color: inherit; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--you); outline-offset: 2px; border-radius: 6px; }

.button {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 10px;
  background: var(--you);
  color: var(--on-you);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
}
.button.quiet { background: transparent; color: var(--ink); border: 1px solid var(--line-strong); padding: 10px 16px; }

.bar {
  position: sticky;
  top: 0;
  z-index: 2;
  height: 72px;
  padding: 0 clamp(16px, 5.5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--night);
}
.bar nav { display: flex; align-items: center; gap: 20px; font-size: 15px; font-weight: 500; }
.wordmark {
  display: flex;
  align-items: baseline;
  font: 700 28px/1 Parkinsans, Onest, sans-serif;
  letter-spacing: -0.03em;
  text-decoration: none;
}
.smear { position: relative; }
.smear::before {
  content: "";
  position: absolute;
  inset: 0.5em -2px 0.1em -3px;
  z-index: -1;
  background: var(--pencil-soft);
  border-radius: 2px 6px 2px 5px;
  transform: rotate(-2deg);
}
.wordmark { isolation: isolate; }
.dot { width: 8px; height: 8px; margin-left: 2px; border-radius: 50%; background: var(--lamp); }
.theme {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  display: grid;
  place-items: center;
}
.theme svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.75; }

.ground-surface { background: var(--surface); }
.ground-dawn { background: var(--dawn); }
.ground-dusk { background: var(--dusk); }
.ground-night { background: var(--night); }
.glow { background-image: radial-gradient(ellipse 45% 60% at 70% 50%, var(--glow), var(--glow-end) 70%); }
.glow-left { background-image: radial-gradient(ellipse 40% 60% at 30% 50%, var(--glow), var(--glow-end) 70%); }
.glow-top { background-image: radial-gradient(ellipse 50% 60% at 25% 0%, var(--glow), var(--glow-end) 70%); }

.hero, .chapter, footer {
  padding: clamp(64px, 7vw, 104px) clamp(16px, 5.5vw, 80px);
  display: flex;
  align-items: center;
  gap: clamp(40px, 6.5vw, 96px);
}
.hero { min-height: calc(100svh - 72px); }
.words { flex: 1 1 0; max-width: 620px; display: flex; flex-direction: column; gap: 22px; }
.hero .words { max-width: 760px; gap: 30px; }
.eyebrow { font-size: 11px; line-height: 14px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.lede { font-size: clamp(18px, 1.6vw, 22px); line-height: 1.5; max-width: 620px; }
.hero .button, #film .button { align-self: flex-start; }
.words > p:not(.when):not(.bubble) { font-size: clamp(17px, 1.4vw, 20px); line-height: 1.55; }

.prologue {
  padding: clamp(80px, 9vw, 136px) clamp(16px, 5.5vw, 80px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}
.prologue h2 { max-width: 980px; font-size: clamp(32px, 4vw, 56px); }
.prologue p { max-width: 680px; font-size: clamp(17px, 1.4vw, 20px); }
.prologue .aside { font-size: 15px; color: var(--muted); max-width: 560px; }

.chapter.left { flex-direction: row-reverse; }
.chapter.centre { flex-direction: column; text-align: center; padding-top: clamp(80px, 8vw, 120px); }
.chapter.centre .words { max-width: 820px; align-items: center; }
.chapter.offset { padding-left: clamp(16px, 16vw, 240px); gap: 64px; }
.chapter.offset .words { max-width: 520px; }

.when { display: flex; align-items: center; gap: 12px; font: 500 13px/1 "JetBrains Mono", monospace; color: var(--muted); }
.chapter.centre .when { justify-content: center; }
.sun { width: 44px; height: 26px; flex: none; }
.sun path, .sun line { fill: none; stroke: var(--line-strong); stroke-width: 1.75; stroke-linecap: round; }
.sun circle { fill: var(--lamp); stroke: var(--lamp); stroke-width: 2; }
.sun.night path { stroke-dasharray: 3 4; }
.sun.night circle { fill: var(--surface); }

.moment { position: relative; flex: none; width: min(480px, 100%); display: flex; flex-direction: column; gap: 12px; }
.chapter.centre .moment { text-align: left; }
.meta { font-size: 13px; line-height: 18px; color: var(--muted); }
.meta.right { align-self: flex-end; }
.meta.gap { margin-top: 20px; }
.muted { color: var(--muted); }

.bubble {
  max-width: 90%;
  padding: 12px 16px;
  border-radius: 20px 20px 20px 6px;
  background: var(--raised);
  font-size: 17px;
  line-height: 1.5;
  text-align: left;
}
.bubble.you { align-self: flex-end; max-width: 80%; border-radius: 20px 20px 6px 20px; background: var(--you); color: var(--on-you); }
.hero .bubble { font-size: 18px; }

.card { border-radius: 16px; overflow: hidden; background: var(--raised); max-width: 92%; }
.card > p:not(.band):not(.meta) { padding: 14px 16px 16px; font-size: 17px; line-height: 1.5; }
.band { padding: 9px 16px; background: var(--lamp-soft); font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--lamp-ink); }
mark { background: var(--pencil-soft); color: inherit; border-radius: 3px; padding: 1px 3px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }

.desks { align-items: center; gap: 36px; }
.lamps { display: flex; align-items: flex-end; gap: 28px; }
.lamps figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.lamps figcaption { font-size: 14px; font-weight: 600; }
.lamp { width: 132px; height: 132px; border-radius: 50%; display: grid; place-items: center; }
.lamp::after { content: ""; width: 76px; height: 76px; border-radius: 50%; box-shadow: inset 0 0 0 6px var(--soft); background: radial-gradient(circle at 62% 38%, var(--shine) 0 13px, var(--fill) 14px); }
.lamp.you { --fill: var(--you); --soft: var(--you-soft); --shine: #DEE3F2; background: radial-gradient(circle, var(--you-glow), transparent 70%); }
/* The highlight stays light in both themes, like the app icon's. */
.lamp.buddy { --fill: var(--lamp); --soft: var(--lamp-soft); --shine: #FBEACD; background: radial-gradient(circle, var(--glow-strong), var(--glow-end) 70%); }
.lamps figure:first-child figcaption { color: var(--you); }
.lamps figure:last-child figcaption { color: var(--lamp-ink); }
.dashes { width: 64px; margin-bottom: 84px; border-top: 2px dashed var(--line-strong); }
.card.note { width: 88%; padding: 14px 16px; border: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; }
.lit { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 16px; }
.pip { width: 14px; height: 14px; border-radius: 50%; }
.pip.you { background: var(--you); }
.pip.buddy { background: var(--lamp); }

.sorted { align-self: flex-start; margin-top: 6px; display: flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; border: 1.5px solid var(--pencil); font-size: 14px; }
.sorted svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.checking { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.checking span { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: breathe 1.4s ease-in-out infinite; }
.checking span:nth-child(2) { animation-delay: 0.2s; }
.checking span:nth-child(3) { animation-delay: 0.4s; }
@keyframes breathe { 50% { opacity: 0.25; } }

.big { font: 700 40px/1.1 Parkinsans, Onest, sans-serif; letter-spacing: -0.01em; }
.track { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.who { font-size: 13px; font-weight: 600; }
.who.you { color: var(--you); }
.who.buddy { color: var(--lamp-ink); margin-top: 10px; }
.rail { list-style: none; margin: 0; padding: 0; height: 20px; display: grid; grid-template-columns: repeat(8, 1fr); align-items: center; }
.rail li { justify-self: center; width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line); background: var(--raised); }
.rail.you { background: linear-gradient(var(--you-soft), var(--you-soft)) 0 50% / 100% 4px no-repeat; }
.rail.buddy { position: relative; background: linear-gradient(var(--lamp-soft), var(--lamp-soft)) 0 50% / 100% 4px no-repeat; }
.rail.buddy::after { content: ""; position: absolute; left: 50%; right: -6px; top: -8px; bottom: -8px; border-radius: 10px; background: var(--fog); opacity: 0.72; backdrop-filter: blur(6px); }
.rail.you .done { background: var(--you); border: 0; }
.rail.you .now { border: 3px solid var(--you); }
.rail.buddy .done { background: var(--lamp); border: 0; }

.level { align-items: center; gap: 28px; }
.rings { position: relative; width: 220px; height: 150px; }
.ring { position: absolute; top: 0; width: 150px; height: 150px; border-radius: 50%; border: 10px solid; }
.ring.you { left: 0; border-color: var(--you); }
.ring.buddy { right: 0; border-color: var(--lamp); mix-blend-mode: var(--blend); }
.count { display: flex; align-items: baseline; gap: 14px; padding-top: 20px; text-align: left; }
.count strong { font: 700 80px/1 Parkinsans, Onest, sans-serif; font-variant-numeric: tabular-nums; }
.count span { font-size: 17px; color: var(--muted); }

.scribble { font-style: italic; font-size: 17px; line-height: 1.4; color: var(--pencil); transform: rotate(-3deg); }
.scribble.arrow { position: absolute; left: calc(100% + 32px); top: 150px; width: 220px; }
.scribble.arrow::after {
  content: "";
  display: block;
  width: 70px;
  height: 34px;
  margin-top: 6px;
  background: var(--pencil);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 70 34' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round'%3E%3Cpath d='M66 4C48 26 28 30 8 20'/%3E%3Cpath d='M16 14L7 20l10 6'/%3E%3C/svg%3E") no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 70 34' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round'%3E%3Cpath d='M66 4C48 26 28 30 8 20'/%3E%3Cpath d='M16 14L7 20l10 6'/%3E%3C/svg%3E") no-repeat;
}
.scribble.below { margin-top: 18px; margin-left: 24px; transform: rotate(2deg); }
.scribble.top { align-self: flex-end; transform: rotate(-4deg); }

.promises { padding: clamp(72px, 8vw, 112px) clamp(16px, 5.5vw, 80px); background: var(--raised); border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 36px; }
.promises h2 { font-size: clamp(30px, 3vw, 44px); }
.promises ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px 40px; }
.promises li { padding-top: 16px; border-top: 2px solid var(--ink); }
.promises strong { display: block; font-weight: 600; }

footer { align-items: flex-start; padding-bottom: 96px; }
footer h2 { font-size: clamp(40px, 4.4vw, 64px); }
.invite { width: min(480px, 100%); max-width: none; flex: none; padding: 28px; border: 1px solid var(--line); display: flex; flex-direction: column; gap: 18px; }
.invite h3 { font-size: 22px; font-weight: 600; letter-spacing: 0; }
.invite ol { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 10px; }
code { font: 500 0.92em "JetBrains Mono", monospace; }

.film { position: relative; flex: none; margin: 0; width: min(300px, 80vw); aspect-ratio: 9 / 20; }
.film .screen {
  height: 100%;
  border-radius: 36px;
  border: 3px solid var(--line-strong);
  background: #000;
  box-shadow: 0 24px 64px #0000004D;
  overflow: hidden;
}
.film video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Android Chrome hands a playing video to an overlay that ignores border-radius but honours clip-path. */
  clip-path: inset(0 round 33px);
}
.film .pause {
  position: absolute;
  right: -58px;
  bottom: 0;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.film .pause svg { width: 16px; height: 16px; fill: currentColor; }

.try { gap: 14px; }
.try .day { max-width: none; padding-bottom: 14px; display: flex; flex-direction: column; gap: 8px; }
.try .day .band { display: block; }
.try .day .meta { padding: 0 16px; }
.try .day .pip { display: inline-block; width: 10px; height: 10px; margin-right: 8px; }
.try .day strong { font-weight: 600; color: var(--ink); }
.try input[type="range"] { margin: 6px 16px 4px; accent-color: var(--lamp); }
.pip.locked { background: var(--fog); border: 1.5px dashed var(--line-strong); }
.thread { display: flex; flex-direction: column; gap: 12px; }
.thread:empty { display: none; }
.suggest { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 8px 14px; border-radius: 999px; border: 1.5px solid var(--pencil); background: transparent; color: var(--ink); font: 500 14px/1.3 Onest, system-ui, sans-serif; text-align: left; cursor: pointer; }
.ask { display: flex; gap: 8px; }
.ask input { flex: 1; min-width: 0; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--raised); color: var(--ink); font: inherit; }
.ask .button { border: 0; cursor: pointer; font: inherit; font-weight: 600; }
.ask .button:disabled { opacity: 0.5; cursor: wait; }
.xray { margin: 0; border-radius: 16px; overflow: hidden; background: var(--raised); border: 1px solid var(--line); }
.xray .band { background: var(--sunken); color: var(--muted); }
.xray div { padding: 8px 16px; display: grid; grid-template-columns: 96px 1fr; gap: 12px; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.45; }
.xray dt { font: 500 12px/1.6 "JetBrains Mono", monospace; color: var(--muted); }
.xray dd { margin: 0; }
.status:empty { display: none; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

@media (max-width: 900px) {
  .hide-small { display: none; }
  .bar nav { gap: 10px; }
  .hero, .chapter, .chapter.left, .chapter.offset, footer { flex-direction: column; align-items: stretch; }
  .chapter.offset { padding-left: clamp(16px, 5.5vw, 80px); }
  .chapter.centre { text-align: left; }
  .chapter.centre .words { align-items: stretch; }
  .chapter.centre .when { justify-content: flex-start; }
  .moment, .film { align-self: center; }
  .film { margin-bottom: 58px; }
  .film .pause { right: 0; bottom: -58px; }
  .scribble.arrow { position: static; width: auto; align-self: flex-end; }
  .scribble.arrow::after { display: none; }
  .lamp { width: 104px; height: 104px; }
  .lamp::after { width: 64px; height: 64px; }
  .dashes { width: 32px; margin-bottom: 70px; }
}

@media (prefers-reduced-motion: reduce) {
  .checking span { animation: none; }
}