/* The sales book: one continuous scroll. Warm paper, deep teal accent, dark at night. */
:root {
  --paper: #F7F4EE; --ink: #1C1E21; --muted: #62666D; --accent: #1F4E5F; --accent-2: #D9822B; --accent-ink: #FFFFFF;
  --line: #E4DED3; --card: #FFFFFF; --soft: #EEF3F4; --shadow: 0 10px 30px rgba(28, 30, 33, .08); --err: #B42318; --ok: #2F7D4F;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #16181D; --ink: #E8E6E1; --muted: #A1A4AA; --accent: #7FB8C9; --accent-2: #F0A560; --accent-ink: #0F1114;
    --line: #2C3038; --card: #1F2228; --soft: #1D262B; --shadow: 0 10px 30px rgba(0, 0, 0, .35); --err: #F97066; --ok: #6CC08B;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 64px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 19px/1.7 var(--serif); }
a { color: var(--accent); }

.bar { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 10px 16px; background: color-mix(in srgb, var(--paper) 92%, transparent); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); font-family: var(--sans); }
.progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; background: transparent; }
.progress span { display: block; height: 100%; width: 0; background: var(--accent-2); transition: width .2s linear; }
.brand { display: flex; gap: 8px; align-items: center; color: var(--ink); text-decoration: none; font-weight: 650; font-size: 16px; }
.brand img { border-radius: 6px; }
.toc-btn { font: 600 14px var(--sans); background: none; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; color: var(--ink); cursor: pointer; }
.toc { position: fixed; z-index: 6; top: 54px; left: 12px; right: 12px; max-width: 26rem; margin-left: auto; max-height: 72vh; overflow: auto;
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 10px 16px 6px; box-shadow: var(--shadow); font: 15px/1.4 var(--sans); }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc li a { display: block; padding: 9px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.toc li .n { display: block; font-size: 12px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--accent); }
.toc li.locked a, .toc li.locked .n { color: var(--muted); }
.toc-note { font-size: 13.5px; color: var(--muted); margin: 10px 0 8px; }

.page { max-width: 38rem; margin: 0 auto; padding: 0 20px 40px; }
.cover { padding: 44px 0 28px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.cover h1 { font: 800 2.4rem/1.1 var(--sans); letter-spacing: -.02em; margin: 0 0 14px; }
.cover .sub { font-size: 1.15rem; font-style: italic; color: var(--muted); margin: 0 0 18px; }
.cover .byline { font: 14px/1.5 var(--sans); color: var(--muted); margin: 0; }
.free-note { font: 600 15px var(--sans); color: var(--accent); margin: 18px 0 0; }
.resume { margin-top: 18px; font: 700 15px var(--sans); border: 2px solid var(--accent); color: var(--accent); background: transparent; border-radius: 999px; padding: 10px 18px; cursor: pointer; }
.kicker { font: 600 13px/1.4 var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin: 0 0 8px; }
.ch { padding-top: 48px; }
.ch + .ch-cont { padding-top: 0; }
.ch-title { font: 750 1.75rem/1.2 var(--sans); letter-spacing: -.01em; margin: 0 0 22px; }
.ch h3 { font: 700 1.22rem/1.3 var(--sans); margin: 2em 0 .6em; }
.ch p { margin: 0 0 1.05em; }
.ch ul, .ch ol { padding-left: 1.3em; margin: 0 0 1.1em; }
.ch li { margin: .35em 0; }
.note { border-left: 3px solid var(--accent-2); padding: 4px 0 4px 16px; color: var(--muted); font-size: .94em; margin: 1.8em 0; }
.note p { margin: 0; }

.box { margin: 1.6em 0 1.8em; padding: 16px; background: var(--soft); border: 1px solid var(--line); border-radius: 14px; font-family: var(--sans); }
.box label { display: block; font-weight: 650; font-size: 16px; line-height: 1.4; margin-bottom: 10px; }
.box textarea { display: block; width: 100%; min-height: 84px; resize: vertical; padding: 12px; font: 16px/1.5 var(--sans); color: var(--ink);
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; }
.box textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.box-state { font-size: 13px; color: var(--muted); margin: 8px 0 0; }
.box.saved .box-state { color: var(--ok); }

/* the end of the free part fades into the paywall */
.free-end > section:last-child > :last-child { -webkit-mask-image: linear-gradient(to bottom, #000 20%, transparent); mask-image: linear-gradient(to bottom, #000 20%, transparent); }
.paywall { position: relative; margin-top: 8px; padding: 24px 20px; background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow); font: 17px/1.55 var(--sans); }
.paywall h2 { font-size: 1.5rem; margin: 6px 0 .5em; }
.pw-read { font-weight: 700; color: var(--accent-2); margin: 0 0 8px; }
.pw-bar { height: 8px; border-radius: 999px; background: var(--line); overflow: hidden; }
.pw-bar span { display: block; height: 100%; background: var(--accent-2); }
.pw-label { font-size: 13px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); margin: 18px 0 6px; }
.pw-answers { margin: 14px 0 4px; padding: 12px 14px; background: var(--soft); border-radius: 12px; }
.pw-answers .pw-label { margin-top: 0; }
.pw-answers ul { list-style: none; padding: 0; margin: 0 0 6px; }
.pw-answers li { padding: 4px 0 4px 28px; position: relative; color: var(--muted); }
.pw-answers li::before { content: ""; position: absolute; left: 0; top: 8px; width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line); }
.pw-answers li.done { color: var(--ink); }
.pw-answers li.done::before { border-color: var(--ok); background: var(--ok); box-shadow: inset 0 0 0 3px var(--soft); }
.pw-next { padding-left: 1.2em; margin: 0 0 18px; columns: 1; }
.pw-next li { margin: .2em 0; }
.buy { display: block; width: 100%; border: 0; border-radius: 12px; padding: 15px 18px; background: var(--accent); color: var(--accent-ink); font: 700 17px var(--sans); cursor: pointer; }
.buy:disabled { opacity: .6; cursor: wait; }
.small { font-size: 14.5px; color: var(--muted); }
.center { text-align: center; }
.paywall .small { margin: 12px 0 0; }
.link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; text-decoration: underline; cursor: pointer; }

.answers { margin: 1.4em 0 2em; font-family: var(--sans); }
.answers .ans { padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); margin: 0 0 10px; }
.answers .ans p { margin: 0; }
.answers .ans .q { font-size: 13.5px; font-weight: 650; color: var(--muted); margin-bottom: 4px; }
.answers .ans .a { white-space: pre-wrap; font-size: 16px; }
.answers .ans.empty .a { color: var(--muted); font-style: italic; }
.answers .copy-all { margin-top: 6px; }

.foot { max-width: 38rem; margin: 0 auto; padding: 22px 20px 48px; font: 13px/1.55 var(--sans); color: var(--muted); border-top: 1px solid var(--line); }
.foot p { margin: 0 0 6px; }
.foot a { color: var(--muted); }
.legal { padding-top: 28px; font-size: 17px; }
.legal h1 { font: 750 1.6rem/1.2 var(--sans); }
.legal h2 { font: 700 1.1rem/1.3 var(--sans); margin-top: 1.6em; }

dialog.sheet { border: 0; padding: 0; width: 100%; max-width: 30rem; max-height: 94vh; overflow: auto; margin: auto auto 0; border-radius: 20px 20px 0 0;
  background: var(--card); color: var(--ink); font: 16px/1.5 var(--sans); }
@media (min-width: 640px) { dialog.sheet { margin: auto; border-radius: 20px; } }
dialog::backdrop { background: rgba(15, 17, 20, .55); }
.step { position: relative; padding: 22px 20px 26px; }
.step h2 { font-size: 1.35rem; margin: 0 36px .4em 0; }
.step label { display: block; font-weight: 600; font-size: 15px; margin: 12px 0; }
.step input:not([type=checkbox]) { display: block; width: 100%; margin-top: 6px; padding: 12px; font: 17px var(--sans); color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px; }
.step input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.step .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 14.5px; margin: 14px 0 16px; }
.step .check input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--accent); }
.hint { font-size: 13.5px; color: var(--muted); margin: -4px 0 8px; }
.err { color: var(--err); font-size: 14.5px; margin: 0 0 12px; }
.x { position: absolute; right: 10px; top: 8px; width: 40px; height: 40px; background: none; border: 0; font-size: 28px; line-height: 1; color: var(--muted); cursor: pointer; }
.qr { display: block; margin: 14px auto; width: 220px; height: 220px; padding: 8px; background: #FFFFFF; border-radius: 12px; }
.copy { display: block; width: 100%; padding: 14px; border-radius: 12px; border: 2px solid var(--accent); background: transparent; color: var(--accent); font: 700 16px var(--sans); cursor: pointer; }
.wait { display: flex; gap: 10px; align-items: center; font-size: 15px; margin: 16px 0 6px; }
.dot { flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--accent-2); animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { opacity: .25; } }