/* Focus landing page. Two colours and three greys, like the app. No scripts, no web fonts. */

:root {
  --bg: #000;
  --fg: #fff;
  --dim: #9a9a9a;
  --faint: #5c5c5c;
  --line: #262626;
  --glow: rgba(255, 255, 255, 0.10);
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --page: min(1120px, 100% - 3rem);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fff;
    --fg: #000;
    --dim: #5f5f5f;
    --faint: #9c9c9c;
    --line: #e2e2e2;
    --glow: rgba(0, 0, 0, 0.07);
  }
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 1.0625rem/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--fg); outline-offset: 4px; }

h1, h2 { font-weight: 300; letter-spacing: -0.025em; line-height: 1.08; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 5.6vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); }
p { margin: 0; }
/* second half of a two-sentence headline: same words, one step quieter */
.soft { color: var(--dim); }
/* the search phrase lives inside the h1 but looks like the small label it always was */
h1 .eyebrow { display: block; margin-bottom: 1.6rem; line-height: 1.65; letter-spacing: 0.16em; }
.prose ul.plain { list-style: none; padding: 0; display: grid; gap: 1.1rem; }
.prose ul.plain li { color: var(--dim); padding-left: 1.4rem; position: relative; }
.prose ul.plain li::before { content: ""; position: absolute; left: 0; top: 0.78em; width: 0.6rem; height: 1px; background: var(--faint); }
.prose ul.plain strong { color: var(--fg); font-weight: 500; }
em { font-style: normal; border-bottom: 1px solid var(--faint); }

.label, .cap {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--dim);
}

.skip { position: absolute; left: -999px; top: 0; padding: 0.75rem 1rem; background: var(--fg); color: var(--bg); }
.skip:focus { left: 1rem; top: 1rem; z-index: 2; }

/* ---- header ---------------------------------------------------------------------------- */

.top {
  width: var(--page);
  margin: 0 auto;
  padding: 1.75rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.wordmark { font-size: 1.25rem; font-weight: 500; letter-spacing: -0.01em; text-decoration: none; }
.top nav { display: flex; align-items: center; gap: clamp(0.9rem, 2.6vw, 2rem); font-size: 0.95rem; }
.top nav a { color: var(--dim); text-decoration: none; padding: 0.35rem 0; transition: color 0.2s; }
.top nav a:hover { color: var(--fg); }
.top nav .nav-cta { color: var(--fg); border: 1px solid var(--faint); padding: 0.45rem 0.95rem; }
.top nav .nav-cta:hover { background: var(--glow); }
@media (max-width: 640px) { .top nav a:not(.nav-cta) { display: none; } }

/* ---- buttons: outlined, or inverted. Touching one lights it up, as in the app. ---------- */

.button {
  display: inline-block;
  padding: 0.95rem 1.5rem;
  border: 1px solid var(--dim);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.2;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.button:hover { background: var(--glow); }
.button.primary { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.button.primary:hover { background: transparent; color: var(--fg); }

.fineprint { color: var(--dim); font-size: 0.875rem; line-height: 1.7; }
code { font: 0.8rem/1.6 var(--mono); color: var(--fg); word-break: break-all; }

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

.hero {
  width: var(--page);
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 5rem) 0 clamp(4rem, 9vw, 8rem);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5rem);
}
.hero-copy > * + * { margin-top: 1.6rem; }
.lede { font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.6; color: var(--dim); max-width: 34rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; padding-top: 0.6rem; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
}

/* ---- the phone: real text in a box, sized in container units so it scales as one piece ---- */

.phone-wrap { margin: 0; display: grid; justify-items: center; gap: 1.1rem; }
.phone-wrap figcaption { color: var(--dim); font-size: 0.875rem; text-align: center; max-width: 22rem; }

.phone {
  container-type: inline-size;
  width: min(330px, 82vw);
  aspect-ratio: 9 / 19;
  border: 1px solid var(--faint);
  border-radius: 2.4rem;
  position: relative;
  overflow: hidden;
  background: var(--bg);
  box-shadow: 0 0 0 0.45rem var(--bg), 0 0 0 calc(0.45rem + 1px) var(--line);
}
/* Container units resolve against the nearest *ancestor* container, so the element that declares
   container-type cannot use them for its own padding or font size. Hence the inner .screen. */
.screen { position: relative; height: 100%; display: flex; flex-direction: column; padding: 9cqw 8cqw 6cqw; font-size: 4cqw; line-height: 1.35; }
.phone .cap { font-size: 2.7cqw; letter-spacing: 0.17em; color: var(--dim); display: block; }
.phone .cap.pad { padding-left: 1cqw; }
.phone .cap.gap, .phone .gap { margin-top: 5cqw; }
.phone small { color: var(--dim); font-size: 3.1cqw; }
.phone .tiny { color: var(--faint); font-size: 3cqw; }
.row-between { display: flex; justify-content: space-between; align-items: baseline; }
.grow { flex: 1; }

/* home */
.clock { position: relative; width: 58cqw; margin: 0 auto 6cqw; }
.ring { display: block; width: 100%; height: auto; overflow: visible; }
.ring-track { fill: none; stroke: var(--line); stroke-width: 1.1; }
.ring-arc { fill: none; stroke: var(--fg); stroke-width: 2.3; stroke-linecap: round; animation: draw 1.4s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.ring-bead-gap { fill: var(--bg); }
.ring-bead { fill: var(--fg); }
@keyframes draw { from { stroke-dasharray: 0 100; } }
.clock-text { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; }
.clock-text .time { font-size: 13cqw; font-weight: 300; letter-spacing: -0.03em; line-height: 1.05; }
.clock-text .date { font-size: 3.7cqw; color: var(--dim); }
.clock-text .battery { font-size: 3cqw; color: var(--faint); margin-top: 0.8cqw; }

/* today's screen time, in words, under the clock */
.screen-time { display: grid; justify-items: center; gap: 0.5cqw; margin: -2.5cqw 0 8cqw; }
.screen-time .st-title { font-size: 3.8cqw; color: var(--dim); }
.screen-time .st-total { font-size: 6.1cqw; line-height: 1.15; }
.screen-time .st-share { font-size: 3.3cqw; color: var(--dim); }

.block { margin-bottom: 5.5cqw; }
.block .big { font-size: 5.2cqw; }
.block .big small { font-size: 3cqw; }
.daybar { display: block; width: 100%; height: 3.4cqw; margin: 2.2cqw 0 1cqw; }
.daybar .cell { fill: var(--line); }
.daybar .fill { fill: var(--fg); }
.scale { display: flex; justify-content: space-between; font-size: 2.6cqw; color: var(--faint); }
.scale.seven { padding: 0 2.2cqw; margin-top: 1cqw; }
.event { display: grid; grid-template-columns: 35cqw 1fr; font-size: 3.5cqw; margin-top: 1.6cqw; white-space: nowrap; }
.event span:first-child { color: var(--dim); }

.favs { display: grid; gap: 3.1cqw; font-size: 6.6cqw; line-height: 1.15; margin-top: 1cqw; }
.corners { margin-top: auto; display: flex; justify-content: space-between; color: var(--dim); font-size: 3.8cqw; }

/* drawer */
.search { border: 1px solid var(--faint); padding: 3.2cqw 4cqw; color: var(--faint); font-size: 4.4cqw; margin-bottom: 5cqw; }
.app { display: flex; justify-content: space-between; align-items: baseline; padding: 2.5cqw 7cqw 2.5cqw 1cqw; font-size: 5cqw; }
.app.spent span { color: var(--faint); }
.index { position: absolute; right: 3cqw; top: 25cqw; bottom: 8cqw; display: flex; flex-direction: column; justify-content: space-between; font-size: 2.4cqw; color: var(--faint); }

/* wall */
.phone.wall .screen { padding-top: 26cqw; }
.wall-name { font-size: 11cqw; font-weight: 300; letter-spacing: -0.02em; margin: 3cqw 0 4cqw; }
.wall-bar { display: block; height: 0.8cqw; background: var(--fg); }
.wall-meta { color: var(--dim); font-size: 3.7cqw; margin-top: 3.4cqw; }
.wall-note { color: var(--faint); font-size: 3.2cqw; margin-top: 1.4cqw; }
.btn { display: block; text-align: center; border: 1px solid var(--dim); padding: 3.4cqw 2cqw; font-size: 3.9cqw; font-weight: 500; }
.btn.solid { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.4cqw; margin-top: 2.6cqw; }
.wall-link { color: var(--dim); font-size: 3.6cqw; padding: 4cqw 0 1cqw; }

/* review */
.review-total { font-size: 12cqw; font-weight: 300; letter-spacing: -0.03em; line-height: 1.1; margin-top: 2cqw; }
.chart { display: block; width: 100%; margin-top: 2.6cqw; }
.chart.week { height: 15cqw; }
.chart.hours { height: 10cqw; margin-bottom: 1cqw; }
.chart .bar { fill: var(--faint); }
.chart .bar.peak { fill: var(--fg); }
.usage { display: grid; grid-template-columns: 1fr auto; align-items: baseline; font-size: 4cqw; margin-top: 2.6cqw; row-gap: 1.4cqw; }
.usage small { font-size: 2.8cqw; }
.usage i { grid-column: 1 / -1; height: 0.6cqw; background: var(--fg); display: block; }
.usage i.w100 { width: 100%; }
.usage i.w78 { width: 78%; }
.usage i.w45 { width: 45%; }

/* ---- three ideas -------------------------------------------------------------------------- */

.principles {
  width: var(--page);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.principles article { padding: clamp(2rem, 4vw, 3.25rem) clamp(1.25rem, 2.5vw, 2.5rem); }
.principles article + article { border-left: 1px solid var(--line); }
.principles article:first-child { padding-left: 0; }
.principles h2 { font-size: 1.45rem; letter-spacing: -0.015em; font-weight: 400; margin-bottom: 0.9rem; }
.principles p { color: var(--dim); font-size: 1rem; }
@media (max-width: 860px) {
  .principles { grid-template-columns: 1fr; }
  .principles article { padding-left: 0; padding-right: 0; }
  .principles article + article { border-left: 0; border-top: 1px solid var(--line); }
}

/* ---- what is on the home screen ------------------------------------------------------------ */

.home-notes { width: var(--page); margin: 0 auto; padding: clamp(3.5rem, 7vw, 6rem) 0; border-bottom: 1px solid var(--line); }
.home-notes dl { margin: 2rem 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); }
.home-notes dt { font-size: 1.1rem; line-height: 1.35; margin-bottom: 0.6rem; }
.home-notes dd { margin: 0; color: var(--dim); font-size: 0.95rem; line-height: 1.6; }
@media (max-width: 860px) { .home-notes dl { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .home-notes dl { grid-template-columns: 1fr; } }

/* ---- features ----------------------------------------------------------------------------- */

.features { width: var(--page); margin: 0 auto; }
.feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6rem);
  padding: clamp(4.5rem, 10vw, 9rem) 0;
  border-bottom: 1px solid var(--line);
}
.feature.flip .feature-copy { order: 2; }
.feature-copy > * + * { margin-top: 1.5rem; }
.feature ul { list-style: none; padding: 0; margin-bottom: 0; display: grid; gap: 1.05rem; max-width: 34rem; }
.feature li { color: var(--dim); padding-left: 1.4rem; position: relative; }
.feature li::before { content: ""; position: absolute; left: 0; top: 0.78em; width: 0.6rem; height: 1px; background: var(--faint); }
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; }
  .feature.flip .feature-copy { order: 0; }
}

/* ---- numbers ------------------------------------------------------------------------------ */

.facts {
  width: var(--page);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-bottom: 1px solid var(--line);
}
.facts strong { display: block; font-size: clamp(2rem, 3.6vw, 3rem); font-weight: 300; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 0.7rem; }
.facts span { color: var(--dim); font-size: 0.95rem; line-height: 1.55; display: block; }
@media (max-width: 860px) { .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ---- prose sections: privacy, install, questions ------------------------------------------ */

.prose { width: min(760px, 100% - 3rem); margin: 0 auto; padding: clamp(4.5rem, 9vw, 8rem) 0 0; }
.prose > * + * { margin-top: 1.5rem; }
.prose > p:not(.label):not(.fineprint) { color: var(--dim); }
.prose h2 { margin-top: 1rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.97rem; margin-top: 2.25rem; }
thead th { text-align: left; font-weight: 500; font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); padding: 0 0 0.9rem; }
tbody tr { border-top: 1px solid var(--line); }
tbody th { text-align: left; font-weight: 500; vertical-align: top; padding: 1.15rem 1.5rem 1.15rem 0; width: 34%; }
tbody th small { display: block; color: var(--faint); font-weight: 400; font-size: 0.8rem; }
tbody td { color: var(--dim); padding: 1.15rem 0; vertical-align: top; }
@media (max-width: 560px) {
  tbody th, tbody td { display: block; width: 100%; padding: 0; }
  tbody th { padding-top: 1.1rem; }
  tbody td { padding: 0.3rem 0 1.1rem; }
  thead { display: none; }
}

.steps { counter-reset: step; list-style: none; padding: 0; margin-top: 2.5rem; display: grid; gap: 0; }
.steps li { counter-increment: step; position: relative; padding: 1.4rem 0 1.4rem 3.4rem; border-top: 1px solid var(--line); color: var(--dim); }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 1.15rem; font-size: 1.7rem; font-weight: 300; color: var(--fg); line-height: 1.2; }
.steps strong { color: var(--fg); font-weight: 500; }

details { border-top: 1px solid var(--line); }
details:last-of-type { border-bottom: 1px solid var(--line); }
.prose > details + details { margin-top: 0; }
summary { list-style: none; cursor: pointer; padding: 1.35rem 2.5rem 1.35rem 0; position: relative; font-size: 1.1rem; transition: background 0.25s; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0.25rem; top: 1.05rem; font-size: 1.5rem; font-weight: 300; color: var(--dim); }
details[open] summary::after { content: "–"; }
summary:hover { background: var(--glow); }
details p { color: var(--dim); padding: 0 0 1.6rem; max-width: 40rem; }

/* ---- closing ------------------------------------------------------------------------------ */

.closing { width: var(--page); margin: 0 auto; padding: clamp(6rem, 13vw, 11rem) 0; text-align: center; }
.closing h2 { font-size: clamp(2.2rem, 5.2vw, 4.2rem); margin-bottom: 2.75rem; }
.closing .fineprint { margin-top: 1.25rem; }

footer {
  width: var(--page);
  margin: 0 auto;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  color: var(--dim);
  font-size: 0.875rem;
}

/* ---- arrival: one quiet fade, and none at all for people who asked for less motion ---------- */

@keyframes rise { from { opacity: 0; transform: translateY(14px); } }
.hero-copy > * { animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.hero-copy > :nth-child(2) { animation-delay: 0.06s; }
.hero-copy > :nth-child(3) { animation-delay: 0.14s; }
.hero-copy > :nth-child(4) { animation-delay: 0.22s; }
.hero-copy > :nth-child(5) { animation-delay: 0.3s; }
.hero .phone-wrap { animation: rise 1.1s 0.15s cubic-bezier(0.2, 0.7, 0.2, 1) both; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}