/* ==========================================================================
   Pico — site
   Shared by index.html and phone.html.
   ========================================================================== */

:root {
  color-scheme: dark;

  --bg:      #08090c;
  --fg:      #f2f3f5;
  --fg-mid:  #9b9fa8;
  --fg-dim:  #6a6e78;
  --line:    #1c1e24;
  --line-hi: #2a2d35;
  --accent:  #4cc9e0;

  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  /* One measure for everything, so nothing drifts out of alignment. */
  --measure: 34rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  max-width: var(--measure);
  margin-inline: auto;
  padding:
    clamp(56px, 11vh, 104px)
    calc(env(safe-area-inset-right) + 24px)
    calc(env(safe-area-inset-bottom) + 72px)
    calc(env(safe-area-inset-left) + 24px);
}

/* ==========================================================================
   Masthead
   ========================================================================== */
.head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(40px, 8vh, 64px);
}

.mark {
  width: 30px;
  height: 30px;
  border-radius: 7px;
}

.wordmark {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -.015em;
}

/* ==========================================================================
   Type
   ========================================================================== */
h1 {
  margin: 0;
  font-size: clamp(2.25rem, 6.4vw, 3.25rem);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -.042em;
  text-wrap: balance;
}

.lede {
  margin: 1.15rem 0 0;
  max-width: 30rem;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--fg-mid);
  text-wrap: pretty;
}

h2 {
  margin: 0 0 1.1rem;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

section {
  margin-top: clamp(40px, 5.5vh, 56px);
  padding-top: clamp(26px, 3.5vh, 34px);
  border-top: 1px solid var(--line);
}

code {
  font-family: var(--mono);
  font-size: .855em;
  font-weight: 400;
  color: var(--fg);
  background: var(--line);
  padding: .14em .42em;
  border-radius: 4px;
  white-space: nowrap;
}

kbd {
  font-family: var(--mono);
  font-size: .76em;
  font-weight: 500;
  color: var(--fg-mid);
  background: var(--line);
  border: 1px solid var(--line-hi);
  border-radius: 4px;
  padding: .16em .42em;
  margin-right: 2px;
}

/* ==========================================================================
   Actions
   ========================================================================== */
.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem 1rem;
  margin-top: 2.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 1.25rem;
  border-radius: 8px;
  background: var(--fg);
  color: var(--bg);
  font-size: .9375rem;
  font-weight: 500;
  letter-spacing: -.01em;
  text-decoration: none;
  transition: opacity .15s ease;
}
.btn:hover { opacity: .88; }
.btn:active { opacity: .78; }

.meta {
  font-family: var(--mono);
  font-size: .8125rem;
  color: var(--fg-dim);
}

.link {
  display: inline-block;
  margin-top: 1.25rem;
  color: var(--fg-mid);
  font-size: .9375rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line-hi);
  padding-bottom: 1px;
  transition: color .15s ease, border-color .15s ease;
}
.link:hover { color: var(--fg); border-color: var(--fg-dim); }
.link span { display: inline-block; transition: transform .15s ease; }
.link:hover span { transform: translateX(3px); }

/* ==========================================================================
   Steps
   ========================================================================== */
.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 2rem;
  margin-bottom: .8rem;
  color: var(--fg-mid);
  font-size: .9375rem;
}
.steps li:last-child { margin-bottom: 0; }

.steps a { color: var(--fg); text-decoration: none; border-bottom: 1px solid var(--line-hi); }
.steps a:hover { border-color: var(--fg-dim); }

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-size: .8125rem;
  color: var(--fg-dim);
}

/* ==========================================================================
   Facts
   ========================================================================== */
.facts { margin: 0; }

.facts > div {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1rem;
  padding: .7rem 0;
  border-bottom: 1px solid var(--line);
}
.facts > div:last-child { border-bottom: 0; padding-bottom: 0; }

.facts dt {
  font-size: .9375rem;
  font-weight: 500;
  letter-spacing: -.01em;
}

.facts dd {
  margin: 0;
  font-size: .9375rem;
  color: var(--fg-mid);
  text-wrap: pretty;
}

@media (max-width: 34rem) {
  .facts > div { grid-template-columns: 1fr; gap: .15rem; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  margin-top: clamp(40px, 5.5vh, 56px);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem 1.5rem;
}

footer nav { display: flex; gap: 1.25rem; }

footer a {
  color: var(--fg-mid);
  font-size: .875rem;
  text-decoration: none;
  transition: color .15s ease;
}
footer a:hover { color: var(--fg); }

.note {
  font-size: .8125rem;
  color: var(--fg-dim);
}

/* ==========================================================================
   phone.html
   ========================================================================== */
.back {
  display: inline-block;
  margin-bottom: 2.5rem;
  font-size: .875rem;
  color: var(--fg-dim);
  text-decoration: none;
  transition: color .15s ease;
}
.back:hover { color: var(--fg); }

.platform {
  margin-top: clamp(40px, 6vh, 56px);
  padding-top: clamp(28px, 4vh, 36px);
  border-top: 1px solid var(--line);
}

.platform h3 {
  margin: 0 0 .7rem;
  font-size: .9375rem;
  font-weight: 500;
  letter-spacing: -.01em;
}

.platform ol,
.platform p { margin: 0; color: var(--fg-mid); font-size: .9375rem; }

.platform ol {
  padding-left: 1.1rem;
  display: grid;
  gap: .35rem;
}

.platform p + p { margin-top: .7rem; }

.platform a { color: var(--fg); text-decoration: none; border-bottom: 1px solid var(--line-hi); }
.platform a:hover { border-color: var(--fg-dim); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

.hint { margin: 1.5rem 0 .6rem; font-size: .875rem; color: var(--fg-dim); }
.cmd {
  margin: 0;
  padding: .85rem 1rem;
  border-radius: 10px;
  background: #101217;
  border: 1px solid var(--line);
  overflow-x: auto;
}
.cmd code {
  background: none;
  padding: 0;
  font-size: .8125rem;
  color: var(--fg);
  white-space: pre;
}

.links { display: flex; flex-wrap: wrap; gap: 1.25rem 1.75rem; margin-top: 1.25rem; }
.links .link { margin-top: 0; }
.links .link[hidden] { display: none; }