/* NotNow — notnow.torabit.ai
   A parent-made site, not a startup template: warm paper background, flat brand colors
   (app green #23A26A, coral #E8673A), real screenshots only.
   Type follows Apple: SF Pro on Apple devices (system font, nothing downloaded);
   elsewhere Inter, self-hosted (OFL) — no third-party requests. */

@font-face {
  font-family: "InterWeb";
  src: url("fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --paper: #FBFAF6;
  --card: #FFFFFF;
  --ink: #1B1D1A;
  --ink-2: #4F534D;
  --ink-3: #8A8E86;
  --line: #E7E4DC;
  --green: #23A26A;
  --coral: #E8673A;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "InterWeb", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "InterWeb", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --measure: 640px;
  --max: 1040px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #141513;
    --card: #1C1E1B;
    --ink: #ECEBE6;
    --ink-2: #B5B6AF;
    --ink-3: #82847D;
    --line: #2C2E2A;
    --green: #46C189;
    --coral: #FF8459;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.47 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: anywhere;
}
a { color: var(--green); text-underline-offset: 3px; }
/* Apple 的英文排版习惯：正文字距略收紧；中文不收 */
html[lang="en"] body { letter-spacing: -0.022em; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding-inline: 24px; }
.narrow { max-width: var(--measure); margin-inline: auto; }

/* Mark: the icon's sun + pause, drawn inline */
.mark { display: inline-block; vertical-align: middle; }

/* ---------- Header / footer ---------- */
.nav-bar { border-bottom: 1px solid var(--line); }
.nav-bar .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 600 17px/1 var(--display); }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.nav a { color: var(--ink-2); text-decoration: none; }
.nav a:hover { color: var(--ink); }
.nav .pill { color: var(--ink); border: 1px solid var(--line); padding: 4px 12px; border-radius: 999px; }
.foot { margin-top: 96px; padding: 28px 0 48px; border-top: 1px solid var(--line); color: var(--ink-3); font-size: 14px; }
.foot .row { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.foot a { color: var(--ink-2); }

/* ---------- Home ---------- */
.intro { padding: 72px 0 0; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 56px; align-items: center; }
.intro .mark { width: 44px; height: 44px; }
.intro h1 { font: 600 clamp(40px, 5vw, 62px)/1.06 var(--display); white-space: nowrap; letter-spacing: -0.018em; margin: 20px 0 18px; }
.intro .tagline { font: 600 clamp(24px, 2.6vw, 30px)/1.25 var(--display); letter-spacing: -0.01em; color: var(--ink); margin: 0 0 14px; }
.intro p { font: 400 19px/1.5 var(--sans); color: var(--ink-2); margin: 0; max-width: 520px; }
.intro .soon { margin-top: 26px; font-size: 15px; color: var(--ink-3); }
.intro .shot { justify-self: center; width: min(290px, 100%); border-radius: 46px; padding: 10px; background: #111; }
.intro .shot img { border-radius: 37px; }

/* 循环示意：和系统自带屏幕使用时间不同的地方，用画面讲 */
.loop { margin-top: 88px; padding: 36px; border: 1px solid var(--line); border-radius: 24px; background: var(--card); }
.loop-row { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1.1fr); align-items: center; gap: 18px; }
.phase { border-radius: 18px; padding: 20px 22px; }
.phase b { display: block; font: 600 30px/1.1 var(--display); letter-spacing: -0.015em; }
.phase span { font-size: 15px; }
.phase.play { background: color-mix(in srgb, #2F7CF6 12%, var(--card)); color: var(--ink); }
.phase.play b { color: #2F7CF6; }
.phase.rest { background: color-mix(in srgb, var(--coral) 14%, var(--card)); color: var(--ink); }
.phase.rest b { color: var(--coral); }
.arrow { color: var(--ink-3); font-size: 26px; line-height: 1; }
.phase.again { border: 1px dashed var(--line); color: var(--ink-2); }
.phase.again b { font-size: 22px; color: var(--ink); }
.loop .vs { margin: 26px 0 0; padding-top: 22px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 16px; }



h2 { font: 600 clamp(32px, 4.5vw, 48px)/1.1 var(--display); letter-spacing: -0.012em; margin: 0 0 12px; }
.block { padding-top: 96px; }
.block > .narrow > p { color: var(--ink-2); }

.how { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 40px; }
.how figure { margin: 0; }
.how .shot { border-radius: 34px; padding: 8px; background: #111; max-width: 250px; margin: 0 auto; }
.how .shot img { border-radius: 27px; }
.how h3 { font: 600 21px/1.25 var(--display); letter-spacing: -0.005em; margin: 22px 0 6px; }
.how .n { font: 600 14px/1 var(--sans); color: var(--coral); }
.how p { margin: 0; color: var(--ink-2); font-size: 16px; }

.list { list-style: none; padding: 0; margin: 28px 0 0; border-top: 1px solid var(--line); }
.list li { padding: 18px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; }
.list li::before { content: ""; width: 10px; height: 10px; margin-top: 10px; border-radius: 50%; background: var(--green); }
.list strong { font-weight: 600; }
.list span { color: var(--ink-2); }

.facts { margin-top: 28px; border-collapse: collapse; width: 100%; font-size: 17px; }
.facts th, .facts td { text-align: left; padding: 14px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.facts th { width: 38%; font-weight: 600; color: var(--ink); padding-right: 16px; }
.facts td { color: var(--ink-2); }

/* ---------- Long-form pages (privacy / support) ---------- */
.doc { max-width: var(--measure); margin-inline: auto; }
.doc-hero { padding-top: 64px; }
.doc h1 { font: 600 clamp(40px, 6vw, 56px)/1.07 var(--display); letter-spacing: -0.012em; margin: 0 0 12px; }
.doc .meta { color: var(--ink-3); margin: 0 0 6px; font-size: 15px; }
.doc h2 { font: 600 24px/1.25 var(--display); letter-spacing: -0.005em; margin: 44px 0 8px; }
.doc p, .doc li { color: var(--ink-2); }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.note { margin: 28px 0 0; padding: 20px 24px; background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--green); border-radius: 4px; color: var(--ink); }
.faq { margin-top: 32px; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { font: 600 17px/1.4 var(--sans); cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; color: var(--ink); }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-weight: 400; color: var(--ink-3); }
details[open] summary::after { content: "–"; }
details p { margin: 10px 0 0; }
.contact { margin-top: 40px; padding: 22px 24px; background: var(--card); border: 1px solid var(--line); border-radius: 4px; color: var(--ink-2); }
.contact strong { color: var(--ink); }

@media (max-width: 820px) {
  .how { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .intro { padding-top: 40px; grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .intro h1 { white-space: normal; }
  .loop { padding: 24px; margin-top: 64px; }
  .loop-row { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .arrow { transform: rotate(90deg); justify-self: center; }
  .block { padding-top: 72px; }
  .nav { gap: 14px; }
  .nav .hide-sm { display: none; }
  .facts th { width: 44%; }
}

/* ---------- 很轻的淡入：上移 10px、0.5 秒、每块只播一次 ----------
   .js 由页面开头的一行脚本加上；没有 JS 时不隐藏任何内容。
   系统开了"减弱动态效果"时不做动画。 */
@media (prefers-reduced-motion: no-preference) {
  .js .fade { opacity: 0; transform: translateY(10px); transition: opacity .5s ease-out, transform .5s cubic-bezier(.2, .7, .2, 1); }
  .js .fade.in { opacity: 1; transform: none; }
}

/* 首屏：Andrew 的问话 + 一段说明 + 落款（原来单独的信已合并进来） */
.intro .ask    { font: 600 clamp(22px, 2.4vw, 28px)/1.2 var(--display); color: var(--coral); margin: 0 0 14px; }
.intro .lede   { font: 400 19px/1.65 var(--sans); color: var(--ink-2); max-width: 470px; margin: 18px 0 0; }
.intro .to-you { font: 600 21px/1.35 var(--display); color: var(--ink); margin: 22px 0 0; }
.intro .sign   { font-weight: 600; color: var(--ink-3); margin: 10px 0 0; }
.intro .soon   { margin-top: 36px; }