/* The free readings (REA-115), in the landing page's look (REA-186): the
   app's paper, ink and path hues; the AI shown by a moving edge. No belts. */
:root { --ink:#111214; --muted:#6c6e75; --soft:#f2f2ef; --line:#e3e3df; --paper:#fff; --right:#13a150; --right-bg:#e3f5ea;
  --orange:#ff7a1a; --green:#1fae55; --blue:#2563eb; --yellow:#ffc61a;
  --ai-cyan:#22d3ee; --ai-blue:#3b82f6; --ai-mint:#34d399; --ai-amber:#fbbf24; --ai-rose:#fb7185;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif; color-scheme: light; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; overflow-x: clip; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 900; letter-spacing: -0.03em; line-height: 1.08; text-wrap: balance; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
.wrap { width: 100%; max-width: 820px; margin-inline: auto; padding-inline: 20px; }
.wrap--wide { max-width: 1160px; }
@media (min-width: 720px) { .wrap { padding-inline: 32px; } }
.nav { position: sticky; top: 0; z-index: 10; background: rgb(255 255 255 / .86); -webkit-backdrop-filter: saturate(1.6) blur(16px); backdrop-filter: saturate(1.6) blur(16px); border-bottom: 1px solid var(--line); }
.nav__row { display: flex; align-items: center; gap: 16px; height: 64px; }
.mark { display: inline-flex; align-items: center; gap: 9px; font-weight: 900; font-size: 20px; letter-spacing: -0.03em; text-decoration: none; }
.mark img { width: 32px; height: 32px; border-radius: 8px; }
.nav__spacer { flex: 1; }
.nav__link { font-size: 15px; font-weight: 700; color: var(--muted); text-decoration: none; }
.nav__link:hover { color: var(--ink); }
.press { display: inline-block; padding-bottom: 5px; text-decoration: none; -webkit-tap-highlight-color: transparent; }
.press__face { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 8px 22px; border: 2px solid var(--ink); border-radius: 16px;
  background: var(--green); color: #fff; font-weight: 900; font-size: 17px; box-shadow: 0 5px 0 var(--ink); transition: transform 90ms ease-out, box-shadow 90ms ease-out; }
.press:active .press__face { transform: translateY(5px); box-shadow: 0 0 0 var(--ink); }
.press--white .press__face { background: #fff; color: var(--ink); }
.store { display: flex; flex-direction: column; line-height: 1.08; text-align: left; }
.store small { font-size: 12px; font-weight: 700; }
.store b { font-size: 21px; font-weight: 900; letter-spacing: -0.02em; }
.press--sm { padding-bottom: 4px; }
.press--sm .press__face { white-space: nowrap; min-height: 40px; padding: 6px 14px; font-size: 15px; border-radius: 12px; box-shadow: 0 4px 0 var(--ink); }
.press--sm:active .press__face { transform: translateY(4px); }
@media (max-width: 520px) { .nav__link { display: none; } }
main { padding: 28px 0 80px; }
.crumbs { font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.crumbs a { text-decoration: none; font-weight: 700; }
.crumbs a:hover { color: var(--ink); }
h1 { font-size: clamp(32px, 6vw, 52px); margin-bottom: 14px; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.chip { font-size: 13px; font-weight: 800; padding: 4px 11px; border-radius: 999px; background: var(--soft); text-decoration: none; }
.chip--level { background: var(--ink); color: #fff; }
.lead { font-size: 19px; color: var(--muted); font-weight: 500; line-height: 1.5; text-wrap: pretty; }
.part { margin-top: 32px; display: grid; gap: 14px; }
.text { background: var(--soft); border-radius: 20px; padding: 18px 20px; font-size: 19px; line-height: 1.65; }
.gl { position: relative; text-decoration: underline dotted 2px; text-underline-offset: 4px; cursor: help; outline: none; }
.gl:hover::after, .gl:focus::after { content: attr(data-es); position: absolute; left: 50%; bottom: calc(100% + 8px); transform: translateX(-50%);
  white-space: nowrap; background: var(--ink); color: #fff; font-size: 14px; font-weight: 800; line-height: 1.2; padding: 7px 11px; border-radius: 10px; z-index: 5; }
.q { border: 2px solid var(--ink); border-radius: 20px; padding: 18px 20px; box-shadow: 0 5px 0 var(--ink); display: grid; gap: 12px; }
.q__ask { font-weight: 900; font-size: 18px; letter-spacing: -0.01em; }
.q ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.q li { display: flex; gap: 10px; align-items: baseline; font-weight: 600; }
.q li b { width: 26px; height: 26px; flex: none; border-radius: 8px; background: var(--soft); display: grid; place-items: center; font-size: 12px; font-weight: 900; }
details summary { cursor: pointer; font-weight: 800; color: var(--green); list-style: none; display: inline-flex; align-items: center; gap: 6px; }
details summary::-webkit-details-marker { display: none; }
details summary::before { content: ""; width: 8px; height: 8px; border-right: 2.5px solid currentColor; border-bottom: 2.5px solid currentColor; transform: rotate(-45deg); transition: transform .2s; }
details[open] summary::before { transform: rotate(45deg) translate(-2px, -2px); }
.answer { margin-top: 10px; background: var(--right-bg); border-radius: 14px; padding: 12px 16px; display: grid; gap: 4px; }
.answer b { color: var(--right); }
.proof { background: linear-gradient(transparent 55%, var(--yellow) 55%, var(--yellow) 92%, transparent 92%); }
h2 { font-size: clamp(24px, 4vw, 32px); margin: 48px 0 16px; }
table { width: 100%; border-collapse: collapse; font-size: 16px; }
th, td { text-align: left; padding: 11px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 14px; color: var(--muted); font-weight: 800; }
td:first-child { font-weight: 800; white-space: nowrap; }
@property --ai-a { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@keyframes ai-spin { to { --ai-a: 360deg; } }
.write { position: relative; isolation: isolate; border-radius: 20px; padding: 18px 20px; display: grid; gap: 8px; background: var(--paper); }
.write::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: conic-gradient(from var(--ai-a), var(--ai-cyan), var(--ai-blue), var(--ai-mint), var(--ai-amber), var(--ai-rose), var(--ai-cyan)); animation: ai-spin 6s linear infinite; }
.write::before { padding: 2.5px; -webkit-mask: linear-gradient(black 0 0) content-box, linear-gradient(black 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(black 0 0) content-box exclude, linear-gradient(black 0 0); }
.write p { color: var(--muted); }
.write p:first-child { color: var(--ink); }
.cta { position: relative; overflow: hidden; margin-top: 48px; background: var(--green); color: #fff; border: 2px solid var(--ink); box-shadow: 0 6px 0 var(--ink);
  border-radius: 26px; padding: 28px 26px; display: grid; gap: 16px; justify-items: start; }
.cta h2 { margin: 0; max-width: 560px; }
.cta p { font-weight: 600; opacity: .92; max-width: 560px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.card { display: grid; gap: 8px; align-content: start; border: 2px solid var(--line); border-radius: 20px; padding: 18px; text-decoration: none; background: #fff; transition: border-color .2s, transform .2s; }
.card:hover { border-color: var(--ink); transform: translateY(-2px); }
.card h3 { font-size: 20px; }
.card p { color: var(--muted); font-size: 15px; }
.levels { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 8px; }
.levels .chip { font-size: 15px; padding: 7px 14px; }
.footer { border-top: 1px solid var(--line); padding: 26px 0 40px; font-size: 14px; color: var(--muted); }
.footer__row { display: flex; gap: 10px 18px; flex-wrap: wrap; align-items: center; }
.footer a { font-weight: 700; text-decoration: none; }
.footer a:hover { color: var(--ink); }
@media (prefers-reduced-motion: reduce) { .write::before { animation: none; } .card, .press__face { transition: none; } }