/* Worksheet Press: "paper and pencil press". Own design system (SPEC 5):
   Shantell Sans + Andika, paper/ink + four operation swatches (tomato, leaf, lilac, tangerine). */
@font-face { font-family: "Andika"; src: url("fonts/andika-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Andika"; src: url("fonts/andika-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Andika"; src: url("fonts/andika-700.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Shantell Sans"; src: url("fonts/shantell-sans-var.woff2") format("woff2"); font-weight: 300 800; font-style: normal; font-display: swap; }

:root {
  --paper: #FBF7EE; --paper-2: #F4EEDF; --white: #FFFFFF; --ink: #221C35; --ink-2: #4E4766; --ink-3: #7A7390; --rule: #E7DFCF;
  --add: #E5462F; --add-ink: #B3301B; --add-soft: #FDE3DD;
  --sub: #2C9A5A; --sub-ink: #1D7342; --sub-soft: #DDF2E5;
  --mul: #7E63D1; --mul-ink: #5A40AE; --mul-soft: #ECE6FA;
  --div: #EE8A25; --div-ink: #A65A0B; --div-soft: #FDEBD7;
  --mix: #221C35; --mix-ink: #221C35; --mix-soft: #E9E6F0;
  --display: "Shantell Sans", "Comic Neue", "Segoe Print", system-ui, sans-serif;
  --body: "Andika", "Segoe UI", system-ui, -apple-system, sans-serif;
  --r: 18px; --r-s: 12px;
  --lift: 0 1px 0 rgba(34,28,53,.06), 0 10px 30px -12px rgba(34,28,53,.22);
  --tone: var(--ink); --tone-ink: var(--ink); --tone-soft: var(--mix-soft);
}
.tone-add { --tone: var(--add); --tone-ink: var(--add-ink); --tone-soft: var(--add-soft); }
.tone-sub { --tone: var(--sub); --tone-ink: var(--sub-ink); --tone-soft: var(--sub-soft); }
.tone-mul { --tone: var(--mul); --tone-ink: var(--mul-ink); --tone-soft: var(--mul-soft); }
.tone-div { --tone: var(--div); --tone-ink: var(--div-ink); --tone-soft: var(--div-soft); }
.tone-mix { --tone: var(--mix); --tone-ink: var(--mix-ink); --tone-soft: var(--mix-soft); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--body); font-size: 1.0625rem; line-height: 1.6; color: var(--ink); background: var(--paper);
  background-image: radial-gradient(rgba(34,28,53,.09) 1px, transparent 1.2px); background-size: 22px 22px; overflow-x: hidden; }
img, svg { max-width: 100%; }
a { color: var(--ink); text-decoration-thickness: 2px; text-underline-offset: 3px; text-decoration-color: var(--tone, var(--add)); }
a:hover { color: var(--add-ink); }
:focus-visible { outline: 3px solid var(--mul); outline-offset: 3px; border-radius: 6px; }
.wrap { width: 100%; max-width: 1260px; margin: 0 auto; padding: 0 28px; }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: 999px; z-index: 50; }
.skip:focus { left: 12px; }
.js-only { display: none; }
.js .js-only { display: inline-flex; }

/* ---- type ---- */
.display { font-family: var(--display); font-weight: 750; font-size: clamp(2.6rem, 5.4vw, 4.6rem); line-height: 1.02; letter-spacing: -0.015em; margin: .2em 0 .35em; }
.h1 { font-family: var(--display); font-weight: 720; font-size: clamp(2.1rem, 4vw, 3.2rem); line-height: 1.08; margin: .15em 0 .3em; letter-spacing: -0.01em; }
.h2 { font-family: var(--display); font-weight: 700; font-size: clamp(1.55rem, 2.6vw, 2.15rem); line-height: 1.15; margin: 0 0 .45em; }
.h3 { font-family: var(--display); font-weight: 680; font-size: 1.28rem; line-height: 1.25; margin: 0 0 .35em; }
.lede { font-size: 1.2rem; color: var(--ink-2); max-width: 44em; margin: 0 0 1em; }
.kicker { display: inline-flex; align-items: center; gap: .5em; font-weight: 700; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--tone-ink); margin: 0; }
.kicker::before { content: ""; width: 14px; height: 14px; border-radius: 4px; background: var(--tone); }
.hl { background: linear-gradient(transparent 62%, var(--add-soft) 62%, var(--add-soft) 92%, transparent 92%); padding: 0 .08em; color: var(--add-ink); }

/* ---- buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .45em; font: 700 1rem/1.1 var(--body); padding: .78em 1.35em; border-radius: 999px;
  border: 2px solid var(--ink); text-decoration: none; cursor: pointer; transition: transform .12s ease, box-shadow .12s ease; white-space: nowrap; }
.btn-ink { background: var(--ink); color: var(--paper); box-shadow: 0 4px 0 #0f0b1c; }
.btn-ink:hover { color: var(--white); transform: translateY(-1px); box-shadow: 0 5px 0 #0f0b1c; }
.btn-ink:active { transform: translateY(3px); box-shadow: 0 1px 0 #0f0b1c; }
.btn-ghost { background: var(--white); color: var(--ink); box-shadow: 0 4px 0 var(--rule); }
.btn-ghost:hover { color: var(--ink); background: var(--paper-2); }
.btn-big { font-size: 1.1rem; padding: .95em 1.6em; }
.btn[disabled] { opacity: .45; cursor: default; }
.arrow { font-weight: 700; text-decoration: none; }
.arrow::after { content: " →"; }

/* ---- strip, masthead, nav ---- */
.strip { margin: 0; background: var(--ink); color: #DCD6EA; font-size: .86rem; }
.strip .wrap { display: block; padding-top: .45em; padding-bottom: .45em; }
.strip a { color: var(--white); text-decoration-color: var(--div); }
.mast { background: rgba(251,247,238,.94); border-bottom: 2px solid var(--ink); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(6px); }
.mast-in { display: flex; align-items: center; gap: 20px; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; flex: none; }
.brand-mark { width: 40px; height: 40px; }
.brand-word { font-family: var(--display); font-weight: 600; font-size: 1.42rem; letter-spacing: -0.01em; }
.brand-word b { font-weight: 800; color: var(--add); margin-left: .12em; }
.nav { display: flex; gap: 2px; flex: 1; justify-content: safe center; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.nav a { position: relative; text-decoration: none; font-weight: 700; padding: .55em .7em; white-space: nowrap; border-radius: 10px; color: var(--ink); }
.nav a::after { content: ""; position: absolute; left: .8em; right: .8em; bottom: .2em; height: 4px; border-radius: 4px; background: var(--tone); transform: scaleX(0); transform-origin: left; transition: transform .18s ease; }
.nav a:hover::after, .nav a.is-on::after { transform: scaleX(1); }
.nav a.is-on { background: var(--tone-soft); }
.chip { flex: none; display: inline-flex; align-items: baseline; gap: .35em; text-decoration: none; background: var(--mul-soft); border: 2px solid var(--mul); border-radius: 999px; padding: .38em .95em; font-size: .9rem; }
.chip b { color: var(--mul-ink); }
.chip i { font-style: normal; font-size: .78rem; color: var(--ink-2); border-left: 1.5px solid #C9BEEF; padding-left: .5em; }

/* ---- hero ---- */
.hero { padding: 64px 0 72px; overflow-x: clip; }
.hero-in { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 1.6em 0 1.4em; }
.hero-price { font-size: .98rem; color: var(--ink-2); max-width: 38em; border-left: 4px solid var(--mul); padding-left: 14px; margin: 0; }
.tag-preview, .pcard-preview { display: inline-block; background: var(--sub-soft); color: var(--sub-ink); font-weight: 700; font-size: .82rem; padding: .15em .7em; border-radius: 999px; border: 1.5px solid var(--sub); }
.hero-art { position: relative; min-height: 470px; }
.paper { background: var(--white); border-radius: 6px; box-shadow: 0 1px 0 var(--rule), 0 22px 44px -22px rgba(34,28,53,.38), 0 0 0 1px rgba(34,28,53,.06); }
.mini { position: absolute; width: 330px; padding: 22px 24px; }
.mini-back { right: 4%; top: 0; transform: rotate(5deg); }
.mini-front { left: 2%; top: 74px; z-index: 2; transform: rotate(-3.5deg); width: 360px; }
.mini-kicker { margin: 0; font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.mini-title { margin: 0 0 10px; font-family: var(--display); font-weight: 700; font-size: 1.1rem; }
.mini-head { display: flex; justify-content: space-between; border-bottom: 2.5px solid var(--ink); margin-bottom: 14px; }
.mini-lines { display: flex; flex-direction: column; font-size: .7rem; color: var(--ink-3); margin: 0; }
.mini-lines span { border-bottom: 1px solid var(--rule); width: 96px; }
.mini-rows { list-style: none; margin: 0; padding: 0; columns: 2; font-size: 1rem; }
.mini-rows li { padding: 4px 0; }
.mini-rows span { color: var(--mul); font-weight: 700; font-size: .72rem; margin-right: 6px; }
.mini-rows i { display: inline-block; width: 30px; border-bottom: 1.5px solid var(--ink); }
.mini-cols { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px 10px; font-size: 1.32rem; }
.mini-cols li { position: relative; display: flex; justify-content: flex-end; padding-top: 4px; }
.mini-cols .pn { position: absolute; left: 0; top: 0; font-size: .62rem; }
.mini-foot { margin: 12px 0 0; font-size: .66rem; color: var(--ink-3); }
.tiles { position: absolute; right: 6%; bottom: -8px; display: flex; gap: 12px; }
.tiles { z-index: 3; }
.tile { display: grid; place-items: center; width: 62px; height: 62px; border-radius: 16px; background: var(--tone); color: var(--white); font: 800 2rem/1 var(--display); box-shadow: inset 0 -6px 0 rgba(0,0,0,.16), 0 10px 20px -10px rgba(34,28,53,.5); }
.tile:nth-child(odd) { transform: rotate(-7deg) translateY(6px); }
.tile:nth-child(even) { transform: rotate(5deg); }

/* ---- bands ---- */
.band { padding: 72px 0; }
.band-head { max-width: 46em; margin-bottom: 30px; }
.band-sub { color: var(--ink-2); font-size: 1.08rem; margin: 0 0 1em; }
.band-shelf { background: var(--white); border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.shelf { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.shelf-tile { display: grid; grid-template-columns: 76px 1fr; grid-template-rows: auto 1fr; column-gap: 18px; padding: 18px; border-radius: var(--r); background: var(--tone-soft); text-decoration: none; height: 100%;
  border: 2px solid transparent; transition: transform .15s ease, border-color .15s ease; }
.shelf-tile:hover { transform: translateY(-3px); border-color: var(--tone); color: var(--ink); }
.shelf-sym { grid-row: 1 / 3; display: grid; place-items: center; width: 76px; height: 76px; border-radius: 18px; background: var(--tone); color: var(--white); font: 800 2.5rem/1 var(--display); box-shadow: inset 0 -7px 0 rgba(0,0,0,.15); }
.shelf-name { font-family: var(--display); font-weight: 700; font-size: 1.15rem; line-height: 1.2; align-self: end; }
.shelf-blurb { color: var(--ink-2); font-size: .95rem; line-height: 1.4; margin-top: 4px; }
.more { margin: 26px 0 0; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.step-n { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; background: var(--tone); color: var(--white); font: 800 1.6rem/1 var(--display); margin-bottom: 14px; }
.step p { color: var(--ink-2); margin: 0; }
.band-more { padding-top: 0; }
.more-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature { display: block; background: var(--white); border-radius: var(--r); padding: 22px; text-decoration: none; box-shadow: var(--lift); border: 2px solid var(--ink); transition: transform .15s ease; }
.feature:hover { transform: translateY(-3px); color: var(--ink); }
.feature p { color: var(--ink-2); margin: 0; font-size: .97rem; }
.feature-tag { display: inline-block; font-size: .74rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--tone-ink); background: var(--tone-soft); border-radius: 999px; padding: .2em .7em; margin-bottom: 10px; }
.band-price { background: var(--ink); color: var(--paper); }
.band-price .h2, .band-price .kicker { color: var(--white); }
.band-price .band-sub { color: #CFC8E2; }
.band-price .btn-ink { background: var(--paper); color: var(--ink); box-shadow: 0 4px 0 #8f86ad; border-color: var(--paper); }
.price-in > * { min-width: 0; }
.price-in { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.price-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pcard { min-width: 0; background: var(--white); color: var(--ink); border-radius: var(--r); padding: 22px; border: 3px solid var(--white); }
.pcard-best { border-color: var(--div); }
.pcard-name { margin: 0; font-weight: 700; color: var(--ink-2); }
.pcard-amt { margin: 0; font: 800 2.4rem/1.1 var(--display); }
.pcard-amt span { font: 400 1rem var(--body); color: var(--ink-2); }
.pcard-note { margin: 4px 0 0; color: var(--div-ink); font-weight: 700; font-size: .9rem; }
.pcard-preview { grid-column: 1 / -1; justify-self: start; }
.trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.trust p { color: var(--ink-2); margin: 0; }

/* ---- page heads, prose ---- */
.deskhead { padding: 52px 0 26px; }
.prose { max-width: 50em; }
.prose .h2 { margin-top: 1.4em; }
.plain { padding-left: 1.2em; }
.plain li { margin-bottom: .6em; }
.indep-box, .preview-box { background: var(--white); border: 2px solid var(--ink); border-radius: var(--r-s); padding: 16px 20px; font-weight: 700; max-width: 50em; }
.preview-box { border-color: var(--sub); background: var(--sub-soft); font-weight: 400; }
.band-note { background: var(--white); border-top: 2px solid var(--ink); }
.note { max-width: 52em; }
blockquote { margin: 1em 0; padding: 14px 20px; background: var(--paper); border-left: 5px solid var(--mul); border-radius: 0 var(--r-s) var(--r-s) 0; }
blockquote p { margin: 0; }
.source { font-size: .88rem; color: var(--ink-2); }
code { font-size: .9em; background: var(--paper-2); padding: .1em .35em; border-radius: 4px; word-break: break-all; }

/* ---- skill shelf page ---- */
.shelf-group { display: flex; align-items: center; gap: 12px; font-family: var(--display); font-size: 1.4rem; margin: 34px 0 14px; }
.shelf-group:first-child { margin-top: 0; }
.shelf-group span { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; background: var(--tone); color: var(--white); font-weight: 800; }
.shelf-full { grid-template-columns: repeat(2, 1fr); }
.shelf-item { background: var(--white); border-radius: var(--r); border: 2px solid var(--rule); border-left: 8px solid var(--tone); padding: 16px 20px; display: flex; flex-direction: column; gap: 10px; }
.shelf-main { text-decoration: none; display: flex; flex-direction: column; }
.shelf-links { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: .92rem; font-weight: 700; }

/* ---- pricing page ---- */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.plan { background: var(--white); border: 2px solid var(--ink); border-radius: var(--r); padding: 30px; }
.plan-pass { border-width: 3px; border-color: var(--mul); box-shadow: 10px 10px 0 var(--mul-soft); }
.plan-name { margin: 0; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; font-size: .85rem; color: var(--ink-2); }
.plan-amt { margin: 4px 0; font: 800 3rem/1.05 var(--display); }
.plan-amt span { font: 400 1.05rem var(--body); color: var(--ink-2); }
.plan-or, .plan-for { margin: 0 0 14px; color: var(--ink-2); }
.ticks { list-style: none; padding: 0; margin: 0 0 18px; }
.ticks li { position: relative; padding-left: 30px; margin-bottom: 10px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px; border-radius: 6px; background: var(--sub); box-shadow: inset 0 -3px 0 rgba(0,0,0,.15); }
.ticks li::after { content: ""; position: absolute; left: 5px; top: calc(.35em + 4px); width: 8px; height: 5px; border-left: 2.5px solid #fff; border-bottom: 2.5px solid #fff; transform: rotate(-45deg); }
.plan-preview { display: inline-block; margin: 0; background: var(--sub-soft); border: 1.5px solid var(--sub); color: var(--sub-ink); font-weight: 700; padding: .35em .9em; border-radius: 999px; }

/* ---- builder desk ---- */
.desk { padding: 0 0 80px; }
.desk-in { display: grid; grid-template-columns: 370px 1fr; gap: 32px; align-items: start; }
.panel { position: sticky; top: 96px; background: var(--white); border: 2px solid var(--ink); border-radius: var(--r); padding: 20px; max-height: calc(100vh - 112px); overflow: auto; }
.panel fieldset { border: 0; padding: 0; margin: 0 0 18px; min-width: 0; }
.panel legend { font-family: var(--display); font-weight: 700; font-size: 1.05rem; margin-bottom: 8px; padding: 0; }
.skillpick { margin-bottom: 18px; padding-bottom: 16px; border-bottom: 2px dashed var(--rule); }
.skillpick > label { display: block; font-family: var(--display); font-weight: 700; margin-bottom: 6px; }
.skillpick-row { display: flex; gap: 8px; }
.skillpick-row select { flex: 1; min-width: 0; }
.js .skillpick .btn { display: none; }
select, input[type=number], input[type=text] { font: inherit; font-size: 1rem; color: var(--ink); background: var(--paper); border: 2px solid var(--rule); border-radius: 10px; padding: .5em .6em; min-height: 44px; }
select:focus, input:focus { border-color: var(--mul); outline: none; box-shadow: 0 0 0 3px var(--mul-soft); }
.opset { display: grid !important; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.opset legend { grid-column: 1 / -1; }
.optile { position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 10px 4px 8px; border-radius: 14px; background: var(--paper); border: 2px solid var(--rule); cursor: pointer; text-align: center; }
.optile input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.optile-sym { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; background: var(--white); color: var(--tone-ink); border: 2px solid var(--tone); font: 800 1.5rem/1 var(--display); }
.optile-name { font-size: .72rem; font-weight: 700; color: var(--ink-2); }
.optile:has(input:checked) { background: var(--tone-soft); border-color: var(--tone); }
.optile:has(input:checked) .optile-sym { background: var(--tone); color: var(--white); }
.optile:has(input:focus-visible) { outline: 3px solid var(--mul); outline-offset: 2px; }
.range { display: grid; grid-template-columns: 1fr 74px auto 74px; gap: 6px; align-items: center; margin-bottom: 8px; }
.range input { width: 100%; padding: .45em .4em; text-align: center; }
.range-name { font-weight: 700; font-size: .92rem; line-height: 1.2; }
.range-name small, .twin small { display: block; font-weight: 400; font-size: .76rem; color: var(--ink-3); }
.to { color: var(--ink-3); font-size: .85rem; }
.twin { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 8px; }
.twin label { font-weight: 700; font-size: .88rem; display: flex; flex-direction: column; gap: 4px; }
.twin input, .twin select { width: 100%; }
.seg { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 10px; }
.seg-name { width: 100%; font-weight: 700; font-size: .88rem; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; }
.seg label span { display: inline-block; padding: .38em .85em; border-radius: 999px; border: 2px solid var(--rule); font-size: .9rem; cursor: pointer; background: var(--paper); }
.seg label input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.seg input:focus-visible + span { outline: 3px solid var(--mul); outline-offset: 2px; }
.tick { display: flex; align-items: center; gap: 8px; font-size: .95rem; margin: 6px 0; cursor: pointer; }
.tick input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--ink); }
.countset select { width: 100%; }
.builder-go { position: sticky; bottom: -20px; background: var(--white); padding: 12px 0 4px; }
.builder-go .btn { width: 100%; }
.passnote { font-size: .9rem; color: var(--ink-2); background: var(--mul-soft); border-radius: var(--r-s); padding: 10px 14px; margin: 10px 0 0; }
.passnote-tag { display: inline-block; font-weight: 700; color: var(--white); background: var(--mul); border-radius: 999px; padding: 0 .6em; font-size: .78rem; margin-right: 4px; }
.passnote strong { color: var(--sub-ink); }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 18px; }
.to-options { display: none !important; }
.share { flex-basis: 100%; margin: 4px 0 0; font-size: .9rem; color: var(--ink-2); }
.notice { background: var(--div-soft); border: 2px solid var(--div); border-radius: var(--r-s); padding: 10px 14px; margin: 0 0 16px; }
.papers { display: flex; flex-direction: column; gap: 28px; }
.miniform { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; margin: 18px 0 6px; }
.miniform label { display: flex; flex-direction: column; gap: 4px; font-weight: 700; font-size: .9rem; }
.locked { background: var(--white); border: 3px solid var(--mul); border-radius: var(--r); padding: 30px; max-width: 40em; }
.aside-note { color: var(--ink-2); margin-top: 22px; }

/* ---- the sheet (screen) ---- */
.sheet { padding: 46px 52px 30px; max-width: 860px; }
.sheet-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; border-bottom: 3px solid var(--ink); padding-bottom: 12px; margin-bottom: 26px; }
.sheet-kicker { margin: 0; font-size: .74rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.sheet-title { margin: 0; font-family: var(--display); font-weight: 700; font-size: 1.7rem; line-height: 1.15; }
.sheet-lines { display: flex; gap: 18px; font-size: .9rem; color: var(--ink-2); flex-wrap: wrap; justify-content: flex-end; }
.sheet-lines span { display: inline-flex; align-items: flex-end; gap: 6px; }
.sheet-lines i { display: inline-block; width: 130px; border-bottom: 1.5px solid var(--ink); height: 1.1em; }
.sheet-lines .score i { width: 42px; }
.probs { list-style: none; margin: 0; padding: 0; }
.probs-cols { display: grid; grid-template-columns: repeat(5, 1fr); gap: 30px 18px; font-size: 1.75rem; line-height: 1.2; }
.probs-rows { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px 40px; font-size: 1.5rem; }
.probs.is-dense.probs-cols { grid-template-columns: repeat(6, 1fr); font-size: 1.45rem; gap: 22px 14px; }
.probs.is-dense.probs-rows { grid-template-columns: repeat(3, 1fr); font-size: 1.22rem; gap: 14px 26px; }
.prob { position: relative; display: flex; align-items: flex-start; }
.probs-cols .prob { justify-content: flex-end; padding: 4px 6px 0 0; }
.pn { flex: none; display: inline-grid; place-items: center; min-width: 1.55em; height: 1.55em; padding: 0 .25em; border-radius: 999px; background: var(--tone-soft); color: var(--tone-ink); font: 700 .5em/1 var(--body); margin-right: .6em; margin-top: .45em; }
.probs-cols .pn { position: absolute; left: 0; top: 0; margin: 0; }
.stack { display: inline-flex; flex-direction: column; align-items: flex-end; }
.srow { display: flex; align-items: baseline; }
.d { display: inline-block; width: .62em; text-align: center; }
.sym { color: var(--ink); margin-right: .2em; font-weight: 700; }
.srow .sym { margin-right: .35em; }
.bar { align-self: stretch; border-top: 2.5px solid var(--ink); height: 1.5em; margin-top: 2px; }
.ldiv { display: inline-flex; align-items: flex-start; margin-top: 1.4em; }
.dvsr { padding: .12em .18em 0 0; }
.dvnd { border-top: 2.5px solid var(--ink); border-left: 2.5px solid var(--ink); border-top-left-radius: 14px 34px; padding: .1em .15em 0 .32em; }
.eq { white-space: nowrap; padding-top: .1em; }
.eq .sym { margin: 0 .05em; }
.blank { display: inline-block; width: 2.6em; border-bottom: 2px solid var(--ink); height: 1em; vertical-align: -0.1em; }
.sheet-foot { display: flex; flex-direction: column; gap: 2px; margin-top: 34px; padding-top: 10px; border-top: 1px solid var(--rule); font-size: .72rem; color: var(--ink-3); line-height: 1.35; }
.key { background: #FFFDF8; }
.key-code { margin: 0; font-size: .9rem; color: var(--ink-2); }
.keylist { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px 20px; font-size: .98rem; }
.keylist li { display: flex; align-items: baseline; gap: 8px; border-bottom: 1px dashed var(--rule); padding: 3px 0; min-width: 0; }
.kn { color: var(--ink-3); font-size: .8rem; min-width: 1.6em; text-align: right; }
.kq { color: var(--ink-2); font-size: .95rem; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ka { font-size: 1.05rem; white-space: nowrap; }

/* ---- fact grid ---- */
.gridwrap { overflow-x: auto; }
.fgrid { border-collapse: collapse; margin: 0 auto; font-size: 1.05rem; }
.fgrid th, .fgrid td { width: 2.5em; height: 2.3em; text-align: center; border: 1.5px solid var(--rule); }
.fgrid thead th { background: var(--mul-soft); color: var(--mul-ink); }
.fgrid tbody th { background: var(--div-soft); color: var(--div-ink); }
.fgrid .corner { background: var(--ink); color: var(--white); font-family: var(--display); }
.fgrid td.was-gap { background: var(--sub-soft); font-weight: 700; }

/* ---- timed round ---- */
.round { max-width: 640px; background: var(--white); border: 2px solid var(--ink); border-radius: 24px; padding: 22px 26px 18px; box-shadow: 10px 10px 0 var(--add-soft); }
.round-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.round-top p { margin: 0; }
.round-skill { font-weight: 700; color: var(--ink-2); }
.round-clock { font: 800 1.6rem/1 var(--display); background: var(--ink); color: var(--paper); border-radius: 12px; padding: .25em .5em; }
.round-score b { font-size: 1.3rem; }
.round-card { text-align: center; padding: 28px 0 8px; }
.round-q { font: 750 clamp(2.4rem, 7vw, 3.6rem)/1.1 var(--display); margin: 0 0 18px; min-height: 1.2em; }
.round-a { width: 200px; max-width: 100%; text-align: center; font: 800 2.2rem/1 var(--body); border-width: 3px; border-radius: 16px; padding: .3em; }
.round-a.is-wrong { border-color: var(--add); background: var(--add-soft); }
.round-btns { display: flex; justify-content: center; gap: 12px; margin-top: 18px; }
.round-msg { min-height: 1.6em; font-weight: 700; margin: 14px 0 0; }
.round-best { text-align: center; color: var(--ink-2); margin: 6px 0 0; }

/* ---- footer ---- */
.foot { background: var(--white); border-top: 2px solid var(--ink); padding: 48px 0 28px; margin-top: 0; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.foot-word { font-family: var(--display); font-weight: 600; font-size: 1.5rem; margin: 0; }
.foot-word b { color: var(--add); font-weight: 800; }
.foot-tag { margin: 0 0 14px; color: var(--ink-2); }
.indep { font-size: .9rem; color: var(--ink-2); max-width: 40em; }
.foot-h { font-weight: 700; margin: 0 0 8px; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin-bottom: 6px; }
.foot-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid var(--rule); margin-top: 30px; padding-top: 18px; font-size: .88rem; color: var(--ink-2); }
.foot-base p { margin: 0; }
.powered a { font-weight: 700; }

/* ---- responsive ---- */
@media (max-width: 1240px) {
  .chip i { display: none; }
  .nav a { padding: .55em .5em; }
}
@media (max-width: 1080px) {
  .hero-in { grid-template-columns: 1fr; }
  .hero-art { min-height: 430px; max-width: 560px; }
  .desk-in { grid-template-columns: 1fr; }
  .panel { position: static; max-height: none; order: 2; }
  .to-options { display: inline-flex !important; }
  .more-grid { grid-template-columns: repeat(2, 1fr); }
  .chip i { display: none; }
}
@media (max-width: 860px) {
  .mast-in { flex-wrap: wrap; gap: 0 12px; min-height: 0; padding-top: 10px; }
  .brand { flex: 1; }
  .nav { order: 3; flex-basis: 100%; overflow-x: auto; scrollbar-width: none; margin: 8px -28px 0; padding: 0 28px 10px; gap: 8px; }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { flex: none; background: var(--white); border: 2px solid var(--rule); border-radius: 999px; padding: .38em .95em; font-size: .92rem; }
  .nav a::after { display: none; }
  .nav a.is-on { background: var(--tone-soft); border-color: var(--tone); }
  .shelf { grid-template-columns: 1fr 1fr; }
  .steps, .trust { grid-template-columns: 1fr; gap: 26px; }
  .price-in, .plans { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  body { font-size: 1rem; }
  .wrap { padding: 0 18px; }
  .nav { margin: 8px -18px 0; padding: 0 18px 10px; }
  .brand-word { font-size: 1.2rem; }
  .brand-mark { width: 34px; height: 34px; }
  .chip { font-size: .8rem; padding: .3em .7em; }
  .chip span { display: none; }
  .hero { padding: 36px 0 44px; }
  .hero-art { min-height: 360px; }
  .mini { width: 250px; padding: 16px; }
  .mini-front { width: 270px; top: 60px; }
  .mini-cols { font-size: 1.05rem; gap: 12px 6px; }
  .tile { width: 48px; height: 48px; font-size: 1.5rem; border-radius: 12px; }
  .tiles { right: 0; bottom: -18px; }
  .band { padding: 48px 0; }
  .shelf, .shelf-full, .more-grid { grid-template-columns: 1fr; }
  .shelf-tile { grid-template-columns: 60px 1fr; }
  .shelf-sym { width: 60px; height: 60px; font-size: 2rem; }
  .price-cards { grid-template-columns: 1fr 1fr; }
  .pcard { padding: 16px; }
  .pcard-amt { font-size: 1.9rem; }
  .pcard-amt span { display: block; }
  .plan { padding: 22px; }
  .deskhead { padding: 32px 0 18px; }
  .sheet { padding: 22px 16px 18px; }
  .sheet-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .sheet-lines { justify-content: flex-start; gap: 10px; }
  .sheet-lines i { width: 80px; }
  .probs-cols, .probs.is-dense.probs-cols { grid-template-columns: repeat(3, 1fr); font-size: 1.4rem; gap: 22px 10px; }
  .probs-rows, .probs.is-dense.probs-rows { grid-template-columns: 1fr; font-size: 1.3rem; }
  .keylist { grid-template-columns: 1fr 1fr; }
  .opset { grid-template-columns: repeat(4, 1fr); }
  .range { grid-template-columns: 1fr 64px auto 64px; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .round { padding: 18px 16px; }
  .toolbar .btn { flex: 1 1 auto; }
  .fgrid { font-size: .82rem; }
  .fgrid th, .fgrid td { width: 2.1em; height: 2em; }
}

/* ---- print: only the sheets ---- */
@page { margin: 12mm; }
@media print {
  body { background: #fff; font-size: 11pt; }
  .noprint, .strip, .mast, .foot, .deskhead, .panel, .toolbar, .notice, .passnote, .skip, .aside-note, .round { display: none !important; }
  .wrap { padding: 0; max-width: none; }
  .desk { padding: 0; }
  .desk-in { display: block; }
  .papers { display: block; }
  .paper { box-shadow: none; border-radius: 0; }
  .sheet { padding: 0; max-width: none; break-after: page; page-break-after: always; }
  .sheet:last-child { break-after: auto; page-break-after: auto; }
  .prob { break-inside: avoid; }
  .probs-cols { font-size: 18pt; gap: 22pt 12pt; }
  .probs-rows { font-size: 15pt; gap: 14pt 30pt; }
  .probs.is-dense.probs-cols { font-size: 14pt; gap: 14pt 10pt; }
  .probs.is-dense.probs-rows { font-size: 12pt; gap: 8pt 18pt; }
  .pn { background: none; border: 1px solid #999; color: #333; }
  .sheet-foot { font-size: 7pt; }
  .fgrid { font-size: 11pt; }
  a { text-decoration: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }