/* Nuvvi site. Tokens mirror the app's visual system (newborn-tracker docs/DESIGN_SYSTEM.md,
   Rose family accent; activity hues from Nuvvi/Components/SharedUI.swift). System type only. */
:root {
  color-scheme: light dark;
  --canvas: #F7F7FA; --surface: #FFFFFF; --raised: #FFFFFF;
  --ink: #17171C; --ink-2: #5F6069; --line: #E3E3E9;
  --accent: #A44563; --accent-soft: #F9EAF0; --on-accent: #FFFFFF;
  --feed: #C97976; --sleep: #7C7AAF; --diaper: #789883; --pump: #BD8C69; --growth: #A8862F;
  --lock: #1E1F25; --lock-card: #2E2F37; --lock-ink: #F4F3F7; --lock-ink-2: #B9BAC4; --lock-btn: #3D3E48;
  --lock-accent: #FFB0C5; --lock-on-accent: #3A1422;
  --shadow: 0 1px 2px rgba(23,23,28,.06), 0 12px 32px rgba(23,23,28,.08);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --gutter: 20px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #111216; --surface: #1B1C22; --raised: #24252D;
    --ink: #F4F3F7; --ink-2: #B9BAC4; --line: #34353E;
    --accent: #FFB0C5; --accent-soft: #4B2634; --on-accent: #3A1422;
    --feed: #E6A19E; --sleep: #B8B5E2; --diaper: #A6C6AF; --pump: #DEB494; --growth: #D9BC6E;
    --lock: #24252D; --lock-card: #32333C;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.28);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; min-width: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; background: var(--canvas); }
body {
  font: 400 1.0625rem/1.55 var(--sans); color: var(--ink); background: var(--canvas);
  -webkit-font-smoothing: antialiased; overflow-x: clip; text-rendering: optimizeLegibility;
}
::selection { background: var(--accent-soft); color: var(--ink); }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--display); color: var(--ink); text-wrap: balance; }
p, li, dd { text-wrap: pretty; }
.num { font-variant-numeric: tabular-nums; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: var(--gutter); top: 12px; background: var(--surface); padding: 8px 12px; z-index: 2; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 var(--gutter); }

/* Header */
.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none;
  font: 600 1.1875rem/1 var(--display); letter-spacing: -.01em; min-height: 44px; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px; color: var(--ink-2);
  text-decoration: none; font-size: .9375rem; border-radius: 10px; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.nav .hide-sm { display: none; }

/* Hero */
.hero { padding: 48px 0 64px; }
.hero .wrap { display: grid; gap: 48px; }
.hero h1 { font-size: clamp(2.5rem, 9vw, 4.5rem); line-height: 1.02; letter-spacing: -.035em; font-weight: 700; }
.lede { margin-top: 20px; font-size: 1.1875rem; line-height: 1.5; color: var(--ink-2); max-width: 34ch; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 28px; list-style: none; color: var(--ink-2); font-size: .9375rem; }
.facts li { display: inline-flex; align-items: center; gap: 8px; }
.facts li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* Lock Screen demonstration */
.lock { background: var(--lock); color: var(--lock-ink); border-radius: 32px; padding: 32px 16px 18px;
  box-shadow: var(--shadow); max-width: 420px; width: 100%; justify-self: center; }
.lock-time { text-align: center; font: 600 4.25rem/1 var(--display); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.lock-date { text-align: center; color: var(--lock-ink-2); font-size: .9375rem; margin: 6px 0 40px; }
.la { background: var(--lock-card); border-radius: 22px; padding: 16px; }
.la-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.la-title { font-weight: 600; font-size: 1rem; line-height: 1.3; display: flex; align-items: center; gap: 8px; }
.la-title::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: #E6A19E; flex: none; }
.la-detail { color: var(--lock-ink-2); font-size: .875rem; margin-top: 2px; padding-left: 18px; }
.la-timer { font: 600 1.875rem/1 var(--display); font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.la-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.la-actions span { flex: 1 1 auto; display: inline-flex; align-items: center; justify-content: center; min-height: 40px;
  padding: 0 12px; border-radius: 999px; background: var(--lock-btn); font-size: .875rem; font-weight: 600; white-space: nowrap; }
.la-actions .stop { background: var(--lock-accent); color: var(--lock-on-accent); }
.caption { font-size: .8125rem; color: var(--ink-2); margin-top: 12px; text-align: center; }
.figure { display: grid; justify-items: center; }

/* Sections */
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section h2 { font-size: clamp(1.75rem, 5vw, 2.5rem); line-height: 1.12; letter-spacing: -.025em; font-weight: 700; max-width: 20ch; }
.section .intro { margin-top: 16px; color: var(--ink-2); font-size: 1.0625rem; max-width: 58ch; }
.split { display: grid; gap: 40px; }

/* Activity list */
.acts { list-style: none; margin-top: 40px; display: grid; gap: 0; }
.acts li { display: grid; grid-template-columns: 4px 1fr; column-gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.acts li:last-child { border-bottom: 1px solid var(--line); }
.acts .bar { grid-row: 1 / span 2; border-radius: 2px; background: var(--c); }
.acts h3 { font-size: 1.125rem; font-weight: 600; letter-spacing: -.01em; }
.acts p { color: var(--ink-2); margin-top: 4px; max-width: 52ch; }

/* Journal demonstration */
.journal { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 20px; box-shadow: var(--shadow); }
.j-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.j-head strong { font: 700 1.375rem/1.2 var(--display); letter-spacing: -.02em; }
.j-head span { color: var(--ink-2); font-size: .875rem; }
.j-totals { display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; margin: 16px 0 20px; }
.j-totals div { background: var(--canvas); border-radius: 12px; padding: 10px; }
.j-totals b { display: block; font: 600 1rem/1.25 var(--display); font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (min-width: 420px) { .j-totals b { font-size: 1.125rem; } }
.j-totals small { color: var(--ink-2); font-size: .75rem; }
@media (min-width: 420px) { .j-totals small { font-size: .8125rem; } .j-totals div { padding: 10px 12px; } }
.j-label { font-size: .8125rem; font-weight: 600; color: var(--ink-2); margin: 4px 0 8px; }
.j-list { list-style: none; }
.j-list li { display: grid; grid-template-columns: 4px 1fr auto; gap: 12px; align-items: center; padding: 10px 0; border-top: 1px solid var(--line); }
.j-list li:first-child { border-top: 0; }
.j-list .bar { align-self: stretch; border-radius: 2px; background: var(--c); }
.j-list b { font-weight: 600; font-size: .9375rem; }
.j-list small { display: block; color: var(--ink-2); font-size: .8125rem; }
.j-list time, .j-list .val { font-size: .875rem; color: var(--ink-2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.tag { display: inline-block; margin-left: 6px; font-size: .6875rem; font-weight: 700; letter-spacing: .04em;
  color: var(--accent); background: var(--accent-soft); border-radius: 6px; padding: 2px 6px; vertical-align: 1px; }
.active-group { background: var(--raised); border-radius: 14px; margin-bottom: 16px; }
.j-list.active-group li { padding: 12px; border-top: 0; }
@media (prefers-color-scheme: light) { .active-group { background: var(--accent-soft); } }

/* Sharing roles */
.roles { list-style: none; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); }
.roles li { padding: 18px 20px; border-top: 1px solid var(--line); display: grid; gap: 4px; }
.roles li:first-child { border-top: 0; }
.roles .who { display: flex; justify-content: space-between; gap: 12px; font-weight: 600; }
.roles .state { color: var(--sleep); font-weight: 600; font-size: .875rem; display: inline-flex; align-items: center; gap: 6px; }
.roles .state::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.roles p { color: var(--ink-2); font-size: .9375rem; }
.roles .note { color: var(--ink-2); font-size: .875rem; background: var(--canvas); border-radius: 0 0 20px 20px; }

/* Plain feature columns */
.cols { display: grid; gap: 0; margin-top: 40px; }
.cols > div { padding: 22px 0; border-top: 1px solid var(--line); }
.cols h3 { font-size: 1.125rem; font-weight: 600; letter-spacing: -.01em; display: flex; align-items: center; gap: 10px; }
.cols h3::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--c); }
.cols p { color: var(--ink-2); margin-top: 6px; max-width: 46ch; }

/* Languages */
.langs { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 32px;
  font: 500 clamp(1.25rem, 4vw, 1.75rem)/1.3 var(--display); letter-spacing: -.015em; }
.langs li { color: var(--ink); }

/* Privacy band + closing */
.quiet { background: var(--surface); }
.points { list-style: none; display: grid; gap: 12px; margin-top: 28px; }
.points li { display: flex; gap: 12px; align-items: baseline; font-size: 1.0625rem; }
.points li::before { content: ""; flex: none; width: 14px; height: 2px; background: var(--accent); transform: translateY(-5px); }
.more { display: inline-flex; align-items: center; min-height: 44px; margin-top: 20px; font-weight: 600; }
.close { padding: 80px 0 88px; border-top: 1px solid var(--line); }
.close h2 { font-size: clamp(1.75rem, 5vw, 2.5rem); letter-spacing: -.025em; line-height: 1.12; }
.close p { color: var(--ink-2); margin-top: 12px; max-width: 46ch; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; margin-top: 28px;
  background: var(--accent); color: var(--on-accent); border-radius: 14px; text-decoration: none; font-weight: 600; font-size: 1rem;
  transition: transform .2s cubic-bezier(.2,.8,.2,1), filter .2s; }
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: scale(.98); }
.mail { display: block; margin-top: 14px; color: var(--ink-2); font-size: .9375rem; }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--ink-2); font-size: .875rem; }
.foot .wrap { display: grid; gap: 14px; }
.foot ul { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 18px; }
.foot a { color: var(--ink-2); display: inline-flex; min-height: 32px; align-items: center; }
.foot a:hover { color: var(--ink); }

/* Document pages (privacy, support) */
.doc { padding: 48px 0 72px; }
.doc .wrap { max-width: 720px; }
.doc h1 { font-size: clamp(2rem, 6vw, 2.75rem); line-height: 1.1; letter-spacing: -.03em; font-weight: 700; }
.doc .updated { color: var(--ink-2); font-size: .9375rem; margin: 10px 0 32px; }
.doc h2 { font-size: 1.25rem; line-height: 1.3; letter-spacing: -.012em; font-weight: 600; margin: 40px 0 10px; }
.doc p, .doc li { color: var(--ink-2); max-width: 68ch; }
.doc p + p { margin-top: 12px; }
.doc ul { padding-left: 20px; margin-top: 10px; display: grid; gap: 8px; }
.doc strong { color: var(--ink); font-weight: 600; }
.doc .lead { font-size: 1.125rem; color: var(--ink); }
.contact-box { margin-top: 28px; padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; }
.contact-box p { color: var(--ink-2); }
.contact-box a { font-weight: 600; font-size: 1.125rem; display: inline-flex; min-height: 44px; align-items: center; word-break: break-all; }
.faq { margin-top: 8px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  min-height: 56px; padding: 14px 0; font-weight: 600; color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 9px; height: 9px; border-right: 2px solid var(--ink-2); border-bottom: 2px solid var(--ink-2);
  transform: rotate(45deg) translateY(-3px); transition: transform .2s cubic-bezier(.2,.8,.2,1); }
.faq details[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.faq .a { padding: 0 0 18px; }
.faq .a p + p, .faq .a ol { margin-top: 8px; }
.faq ol { padding-left: 20px; color: var(--ink-2); display: grid; gap: 4px; }

@media (min-width: 560px) {
  .nav .hide-sm { display: inline-flex; }
  .j-totals { gap: 10px; }
}
@media (min-width: 900px) {
  :root { --gutter: 32px; }
  .hero { padding: 88px 0 104px; }
  .hero .wrap { grid-template-columns: 1.1fr .9fr; align-items: center; gap: 64px; }
  .lede { font-size: 1.3125rem; }
  .section { padding: 104px 0; }
  .split { grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
  .split.flip > :first-child { order: 2; }
  .acts { grid-template-columns: 1fr 1fr; column-gap: 40px; }
  .acts li:nth-last-child(2) { border-bottom: 1px solid var(--line); }
  .acts li:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .cols { grid-template-columns: repeat(3, 1fr); column-gap: 40px; }
  .close { padding: 112px 0 120px; }
  .foot .wrap { grid-template-columns: 1fr auto; align-items: center; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}