/* Self-hosted webfonts — added 2026-09-21 so every visitor sees the same
   typography regardless of OS. Downloaded from Google Fonts (OFL), served locally:
   no third-party request at runtime. Previously these stacks led with macOS-only
   faces, which fell back to defaults on Windows/Android. */
@font-face {
  font-family: 'Literata';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/literata-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Literata';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/literata-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/figtree-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/figtree-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ChalkLine v2 — "the lesson grid". Built by tools/redesign-rollout/work/07-chalkline/build.py.
   World: a saturated pencil-yellow colour field; flat-vector classroom art; an invented, unbranded
   video-call UI of rounded student tiles; ink-blue structure; the clean voice line as the signature.
   Display: Literata (self-hosted). Body: Figtree (self-hosted). Contrast ratios: DESIGN.md. */

:root {
  --yel: #FFD23A; --yel2: #F6BE12; --yel3: #FFE27A; --yelp: #FFF4C7;
  --ink: #1B2766; --ink2: #101A4A; --ink3: #2A3A85; --inkm: #3A4577; --link: #2338A0;
  --sky: #DCE7FF; --mint: #D5F1DF; --lilac: #E6DDFF; --peach: #FFE0CE; --rose: #FFD9DF; --aqua: #CDEEEF;
  --sheet: #FFFDF6; --rule: #E6E0CB; --pale-on-ink: #D6DDFF;
  --f-head: 'Literata', Georgia, 'Times New Roman', serif;
  --f-body: 'Figtree', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --r-tile: 26px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 1rem; }
body { margin: 0; background: var(--yel); color: var(--ink); font-family: var(--f-body); font-size: 1.0625rem; line-height: 1.65; }
img, svg { max-width: 100%; }
h1, h2, h3 { font-family: var(--f-head); color: var(--ink); line-height: 1.18; font-weight: 700; }
a { color: var(--link); text-decoration-thickness: 2px; text-underline-offset: 3px; text-decoration-color: rgba(35, 56, 160, .4); }
a:hover { text-decoration-color: var(--link); }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 8px; }
code { font-family: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace; font-size: .88em; background: var(--yelp); padding: .08em .38em; border-radius: 6px; }
.cl-ico { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.cl-vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.cl-skip { position: absolute; left: 1rem; top: -200px; z-index: 50; background: var(--ink); color: #fff; padding: .7rem 1rem; border-radius: 14px; font-weight: 700; }
.cl-skip:focus { top: .6rem; outline-color: #fff; }

/* ---------------------------------------------------------------- header + menu */
.cl-head { position: relative; z-index: 30; }
.cl-head-in { max-width: 76rem; margin: 0 auto; padding: .7rem 1rem; display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .75rem; position: relative; }
.cl-brand { display: inline-flex; align-items: center; gap: .6rem; min-height: 48px; color: var(--ink); text-decoration: none; }
.cl-logo-mark { width: 44px; height: 44px; flex: none; }
.cl-brand-txt { display: flex; flex-direction: column; line-height: 1.05; }
.cl-brand-word { font-family: var(--f-head); font-weight: 700; font-size: 1.5rem; letter-spacing: -.01em; }
.cl-brand-word b { font-weight: 700; color: var(--link); }
.cl-brand-tag { font-size: .8rem; font-weight: 600; color: var(--inkm); margin-top: .2rem; }
.cl-menu-btn { display: none; margin-left: auto; align-items: center; gap: .45rem; min-height: 48px; padding: .5rem 1.1rem .5rem .9rem;
  border: 0; border-radius: 999px; background: var(--ink); color: #fff; font: 700 1rem/1 var(--f-body); cursor: pointer; }
.cl-menu-btn:hover { background: var(--ink3); }
.cl-menu-btn .cl-ico { width: 22px; height: 22px; }
.cl-menu-btn .cl-ico-close { display: none; }
.cl-menu-btn[aria-expanded="true"] .cl-ico-open { display: none; }
.cl-menu-btn[aria-expanded="true"] .cl-ico-close { display: block; }
.cl-nav { display: flex; gap: .35rem; flex: 1 1 100%; overflow-x: auto; padding: .15rem .1rem .45rem; scrollbar-width: none; }
.cl-nav::-webkit-scrollbar { display: none; }
.cl-nav a { display: inline-flex; align-items: center; gap: .5rem; flex: 0 0 auto; min-height: 46px; padding: 0 1rem; border-radius: 999px;
  color: var(--ink); background: rgba(255, 255, 255, .55); font-weight: 700; font-size: .98rem; text-decoration: none; white-space: nowrap; }
.cl-nav a:hover { background: #fff; }
.cl-nav a[aria-current="page"] { background: var(--ink); color: #fff; }
@media (max-width: 519.98px) { .cl-brand-tag { display: none; } }
@media (max-width: 959.98px) {
  .cl-js .cl-menu-btn { display: inline-flex; }
  .cl-js .cl-nav { display: none; position: absolute; top: calc(100% - .2rem); left: .75rem; right: .75rem; flex-direction: column; gap: .2rem;
    padding: .55rem; background: #fff; border: 3px solid var(--ink); border-radius: 26px; box-shadow: 0 18px 40px rgba(16, 26, 74, .22); overflow: visible; }
  .cl-js .cl-nav.is-open { display: flex; }
  .cl-js .cl-nav a { min-height: 52px; border-radius: 18px; background: transparent; font-size: 1.08rem; padding: 0 .9rem; }
  .cl-js .cl-nav a:hover { background: var(--yelp); }
  .cl-js .cl-nav a[aria-current="page"] { background: var(--yel); color: var(--ink); }
  .cl-js .cl-nav .cl-ico { width: 24px; height: 24px; }
}
@media (min-width: 960px) {
  .cl-head-in { flex-wrap: nowrap; padding: .9rem 1.5rem; }
  .cl-nav { flex: 0 1 auto; margin-left: auto; padding: .3rem; background: rgba(255, 255, 255, .5); border-radius: 999px; overflow: visible; }
  .cl-nav a { background: transparent; padding: 0 .95rem; }
  .cl-nav a.cl-nav-key { background: #fff; }
  .cl-nav a[aria-current="page"], .cl-nav a.cl-nav-key[aria-current="page"] { background: var(--ink); color: #fff; }
}

/* ---------------------------------------------------------------- buttons */
.cl-cta-btn { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; min-height: 52px; padding: .7rem 1.35rem;
  border-radius: 999px; background: var(--ink); color: #fff; font-weight: 700; font-size: 1.05rem; line-height: 1.25; text-decoration: none; text-align: center; }
.cl-cta-btn:hover { background: var(--ink3); color: #fff; }
.cl-cta-btn .cl-ico { width: 22px; height: 22px; }
.cl-btn-soft { background: #fff; color: var(--ink); box-shadow: inset 0 0 0 3px var(--ink); }
.cl-btn-soft:hover { background: var(--yelp); color: var(--ink); }

/* ---------------------------------------------------------------- home hero */
.cl-hero { padding: .4rem 1rem 1.5rem; }
.cl-hero-in { max-width: 72rem; margin: 0 auto; display: flex; flex-direction: column; align-items: center; text-align: center; }
.cl-hero h1 { font-size: clamp(2rem, 1.3rem + 2.6vw, 3.15rem); line-height: 1.08; letter-spacing: -.02em; max-width: 21ch; margin: .5rem auto .9rem; text-wrap: balance; }
.cl-hero-fig { margin: 0; width: 100%; max-width: 56rem; position: relative; }
.cl-hero-fig img { display: block; width: 100%; height: auto; }
.cl-hero-labels { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.cl-hero-labels text { font-family: var(--f-body); }
.cl-hero-labels-tall { display: none; }
.cl-hero-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin: 1.1rem 0 1.4rem; width: 100%; }
.cl-hero-lede { max-width: 46rem; background: var(--sheet); border-radius: 30px; padding: 1.25rem 1.4rem; text-align: left; font-size: 1.1rem; }
.cl-hero-lede p { margin: 0; }
@media (max-width: 699.98px) {
  .cl-hero-labels-wide { display: none; }
  .cl-hero-labels-tall { display: block; }
  .cl-hero-fig { max-width: 25rem; }
  .cl-hero-btns .cl-cta-btn { flex: 1 1 100%; }
  .cl-hero-lede { font-size: 1.04rem; padding: 1.1rem 1.15rem; border-radius: 24px; }
}

/* ---------------------------------------------------------------- home sections */
.cl-home .cl-sec { max-width: 72rem; margin: 0 auto; padding: 1.4rem 1rem; }
.cl-home h2 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.3rem); text-align: center; margin: .4rem auto 1.1rem; max-width: 24ch; text-wrap: balance; }
.cl-home .cl-sec > p { max-width: 44rem; margin: 0 auto 1.2rem; text-align: center; color: var(--inkm); }
.cl-home h2::before, .cl-sheet h2::before { content: ""; display: block; width: 56px; height: 14px; margin: 0 auto .6rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 56 14'%3E%3Crect y='2' width='8' height='10' rx='2.5' fill='%23EF8A86'/%3E%3Crect x='8' y='2' width='5' height='10' fill='%23B9BFD0'/%3E%3Crect x='13' y='2' width='31' height='10' fill='%23F6BE12'/%3E%3Crect x='13' y='2' width='31' height='3.4' fill='%23FFE27A'/%3E%3Cpath d='M44 2 56 7 44 12z' fill='%23E7B36A'/%3E%3Cpath d='M52.4 5.5 56 7 52.4 8.5z' fill='%231B2766'/%3E%3C/svg%3E") no-repeat center / contain; }
.cl-why-tile { max-width: 52rem; margin: 0 auto; background: var(--sheet); border-radius: 34px; padding: 2.4rem 1.3rem 1.3rem; position: relative; }
.cl-why-tile h2 { margin-top: 0; }
.cl-why-ico { position: absolute; top: -22px; left: 50%; transform: translateX(-50%); width: 48px; height: 48px; border-radius: 50%; background: var(--ink); color: var(--yel); display: grid; place-items: center; }
.cl-why-ico .cl-ico { width: 24px; height: 24px; }
.cl-why-tile p:last-child { margin-bottom: 0; }

.cl-grid.cl-shelf { display: grid; grid-template-columns: 1fr; gap: 1rem; margin: 0; }
.cl-grid.cl-shelf .cl-shelf-card:nth-child(n) { background: var(--sheet); }
.cl-shelf-card { position: relative; display: grid; grid-template-columns: 6.5rem 1fr; gap: .2rem .9rem; align-items: start; background: var(--sheet); border-radius: 26px; padding: .8rem; }
.cl-shelf-art { grid-row: span 2; }
.cl-shelf-art img, .cl-note-art img, .cl-col-art img { display: block; width: 100%; height: auto; border-radius: 16px; }
.cl-shelf-card h3 { font-size: 1.18rem; margin: .1rem 0 .15rem; }
.cl-shelf-card h3 a { color: var(--ink); text-decoration: none; }
.cl-shelf-card h3 a::after { content: ""; position: absolute; inset: 0; border-radius: 26px; }
.cl-shelf-card h3 a:focus-visible { outline: none; }
.cl-shelf-card:has(a:focus-visible) { outline: 3px solid var(--ink); outline-offset: 3px; }
.cl-shelf-card:hover { box-shadow: 0 0 0 3px var(--ink); }
.cl-shelf-card p { margin: 0; color: var(--inkm); font-size: .98rem; }
@media (min-width: 640px) {
  .cl-grid.cl-shelf { grid-template-columns: repeat(2, 1fr); }
  .cl-shelf-card { grid-template-columns: 1fr; padding: .8rem .8rem 1.2rem; }
  .cl-shelf-art { grid-row: auto; }
  .cl-shelf-card h3 { margin: .7rem .4rem .3rem; font-size: 1.28rem; }
  .cl-shelf-card p { margin: 0 .4rem; }
}
@media (min-width: 1000px) { .cl-grid.cl-shelf { grid-template-columns: repeat(3, 1fr); } }

.cl-platforms { list-style: none; padding: 0; margin: 0 auto 1.4rem; display: grid; gap: 1rem; max-width: 72rem; }
.cl-platforms li { display: grid; grid-template-columns: 6.5rem 1fr; gap: .9rem; align-items: start; background: var(--sheet); border-radius: 26px; padding: .8rem; }
.cl-platforms a { font-family: var(--f-head); font-weight: 700; font-size: 1.12rem; color: var(--ink); }
.cl-note-txt { color: var(--inkm); font-size: .98rem; }
@media (min-width: 860px) {
  .cl-platforms { grid-template-columns: repeat(3, 1fr); }
  .cl-platforms li { grid-template-columns: 1fr; padding: .8rem .8rem 1.2rem; }
  .cl-note-txt { padding: 0 .4rem; }
}
.cl-note-pin { max-width: 52rem; margin: 1.6rem auto 0 !important; }

.cl-situations { list-style: none; padding: 0; margin: 0 auto; max-width: 52rem; display: grid; gap: 1rem; }
.cl-situations li { background: var(--sheet); border-radius: 26px; padding: 1rem 1.1rem 1.1rem; }
.cl-situations li strong:first-child { display: block; position: relative; margin: 0 0 .6rem; padding: .7rem 1rem .75rem 3.2rem; background: var(--sky); border-radius: 20px 20px 20px 6px; font-weight: 700; }
.cl-situations li strong:first-child::before { content: ""; position: absolute; left: .7rem; top: .6rem; width: 30px; height: 30px; border-radius: 50%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Ccircle cx='15' cy='15' r='15' fill='%23fff'/%3E%3Cpath d='M5 30c0-6 4-9.5 10-9.5S25 24 25 30z' fill='%232F47B8'/%3E%3Ccircle cx='15' cy='12' r='6' fill='%23D9A07A'/%3E%3Cpath d='M9 11c0-4.5 3-6.5 6-6.5s6 2 6 6.5c-2-2-4-2.6-6-2.6S11 9 9 11z' fill='%232B2140'/%3E%3C/svg%3E") center / cover; }
.cl-situations li:nth-child(2n) strong:first-child { background: var(--mint); }
.cl-situations li:nth-child(3n) strong:first-child { background: var(--lilac); }
@media (min-width: 860px) { .cl-situations { grid-template-columns: repeat(2, 1fr); max-width: 72rem; } }

.cl-col-tile { max-width: 52rem; margin: 0 auto; display: grid; gap: 1rem; background: var(--sheet); border-radius: 30px; padding: 1rem 1.1rem 1.2rem; align-items: center; }
.cl-col-tile h2 { text-align: left; margin: 0 0 .5rem; }
.cl-col-tile h2::before { margin: 0 0 .5rem; }
.cl-col-tile p { margin: 0; }
.cl-col-art { max-width: 18rem; }
@media (min-width: 700px) { .cl-col-tile { grid-template-columns: 15rem 1fr; padding: 1.2rem 1.6rem 1.2rem 1.2rem; } }

/* ---------------------------------------------------------------- page head + sheet */
.cl-pagehead { padding: .4rem 1rem 1.6rem; }
.cl-pagehead-in { max-width: 72rem; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr); gap: .7rem; }
.cl-kicker { justify-self: start; display: inline-flex; align-items: center; gap: .45rem; margin: .3rem 0 0; padding: .35rem .95rem .35rem .6rem; border-radius: 999px;
  background: var(--ink); color: #fff; font-weight: 700; font-size: .92rem; }
.cl-kicker .cl-ico { color: var(--yel); width: 19px; height: 19px; }
.cl-pagehead h1 { font-size: clamp(2rem, 1.35rem + 2.4vw, 3.2rem); letter-spacing: -.015em; line-height: 1.1; margin: .1rem 0 .2rem; text-wrap: balance; }
.cl-head-art { margin: .3rem 0; position: relative; justify-self: start; width: 100%; max-width: 30rem; background: #fff; border: 3px solid var(--ink); border-radius: 30px; padding: 8px; }
.cl-head-art img { display: block; width: 100%; height: auto; border-radius: 21px; }
.cl-head-badge { position: absolute; top: -16px; right: 14px; width: 42px; height: 42px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 3px var(--ink); }
.cl-head-badge svg { display: block; width: 100%; height: 100%; }
.cl-lede { font-size: 1.13rem; line-height: 1.6; color: var(--inkm); margin: .2rem 0 0; max-width: 42rem; }
.cl-meta { display: flex; align-items: flex-start; gap: .5rem; font-size: .92rem; color: var(--inkm); margin: .1rem 0 0; }
.cl-meta .cl-ico { width: 18px; height: 18px; margin-top: .22em; }
.cl-verified { display: inline; white-space: nowrap; background: #fff; border-radius: 999px; padding: .08rem .55rem; font-weight: 700; font-size: .86em; color: var(--ink); box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.cl-sheet .cl-verified { background: var(--yel); }
.cl-meta .cl-verified { white-space: normal; }
@media (min-width: 900px) {
  .cl-pagehead { padding: 1rem 1.5rem 2.4rem; }
  .cl-pagehead-in { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); column-gap: 3rem; align-items: start; }
  .cl-pagehead-in > * { grid-column: 1; }
  .cl-pagehead-in > .cl-head-art { grid-column: 2; grid-row: 1 / span 5; align-self: center; justify-self: end; margin: 0; }
}

.cl-sheet { max-width: 50rem; margin: 0 .75rem 3rem; background: var(--sheet); border-radius: 32px; padding: 1.5rem 1.15rem 1.8rem; }
@media (min-width: 52rem) { .cl-sheet { margin: 0 auto 3.5rem; } }
@media (min-width: 700px) { .cl-sheet { padding: 2.6rem 3.2rem 3rem; border-radius: 40px; } }
.cl-sheet > :first-child, .cl-sheet > .cl-sec:first-child > h2:first-child { margin-top: 0; }
.cl-sheet h2 { font-size: clamp(1.45rem, 1.2rem + 1vw, 1.9rem); margin: 2.4rem 0 .75rem; text-wrap: balance; }
.cl-sheet h2::before { margin: 0 0 .55rem; }
.cl-sheet h3 { font-size: 1.2rem; margin: 1.5rem 0 .5rem; }
.cl-sheet p, .cl-sheet ul, .cl-sheet ol, .cl-sheet dl { margin: 0 0 1.05rem; }
.cl-sheet ul:not([class]), .cl-sheet ol:not([class]) { list-style: none; padding-left: 0; }
.cl-sheet ul:not([class]) > li { position: relative; padding-left: 1.7rem; margin-bottom: .6rem; }
.cl-sheet ul:not([class]) > li::before { content: ""; position: absolute; left: .3rem; top: .6em; width: .62rem; height: .62rem; border-radius: 50%; background: var(--yel); box-shadow: 0 0 0 2.5px var(--ink); }
.cl-sheet ol:not([class]) { counter-reset: cl-n; }
.cl-sheet ol:not([class]) > li { position: relative; padding-left: 2.6rem; margin-bottom: .7rem; counter-increment: cl-n; }
.cl-sheet ol:not([class]) > li::before { content: counter(cl-n); position: absolute; left: 0; top: .05em; width: 1.8rem; height: 1.8rem; border-radius: 50%; background: var(--yel);
  color: var(--ink); font-weight: 800; font-size: .92rem; display: grid; place-items: center; }
.cl-rule { border: 0; height: 16px; margin: 2.4rem 0; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 16'%3E%3Cpath d='M0 8c4-6 8-6 12 0s8 6 12 0 8-6 12 0 8 6 12 0' fill='none' stroke='%23F6BE12' stroke-width='3'/%3E%3C/svg%3E") repeat-x center / 48px 16px; }
.cl-small { font-size: .92rem; color: var(--inkm); }
.cl-disclosure { font-size: .88rem; color: var(--inkm); }

/* cards */
.cl-grid { display: grid; grid-template-columns: 1fr; gap: .9rem; margin: 1.3rem 0 1.5rem; }
@media (min-width: 700px) { .cl-sheet .cl-grid { grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); } }
.cl-card { background: var(--sky); border-radius: 24px; padding: 1.1rem 1.15rem 1.2rem; }
.cl-grid .cl-card:nth-child(3n+2) { background: var(--mint); }
.cl-grid .cl-card:nth-child(3n+3) { background: var(--lilac); }
.cl-card h3 { margin: .1rem 0 .45rem; font-size: 1.16rem; }
.cl-card p { margin: 0; font-size: .99rem; }
.cl-card-badge { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 15px; background: #fff; color: var(--ink); margin-bottom: .55rem; }
.cl-card-badge .cl-ico { width: 24px; height: 24px; }
.cl-wave { display: block; margin: 0 0 .45rem; }
.cl-wave svg { display: block; width: 100%; max-width: 12rem; height: auto; }

/* notes */
.cl-note { position: relative; background: var(--yelp); border-radius: 24px; padding: 1.1rem 1.2rem 1.15rem 3.6rem; margin: 1.6rem 0; }
.cl-note::before { content: ""; position: absolute; left: 1.05rem; top: 1.1rem; width: 28px; height: 28px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'%3E%3Ccircle cx='14' cy='14' r='14' fill='%231B2766'/%3E%3Cpath d='M14 8.2v7.2M14 19.2v.1' stroke='%23FFD23A' stroke-width='2.8' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat; }
.cl-note p:last-child { margin-bottom: 0; }
.cl-note-warn { background: var(--peach); }
.cl-note-warn::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'%3E%3Ccircle cx='14' cy='14' r='14' fill='%23B8450F'/%3E%3Cpath d='M14 8.2v7.2M14 19.2v.1' stroke='%23fff' stroke-width='2.8' stroke-linecap='round'/%3E%3C/svg%3E"); }
.cl-note-pin { padding-left: 1.2rem; }
.cl-note-pin::before { content: none; }
.cl-note-ico { float: left; width: 44px; height: 44px; margin: .1rem .85rem .3rem 0; border-radius: 50%; background: var(--ink); color: var(--yel); display: grid; place-items: center; }
.cl-letter { background: #fff; border: 2.5px dashed var(--ink3); }
.cl-letter::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'%3E%3Ccircle cx='14' cy='14' r='14' fill='%23FFD23A'/%3E%3Crect x='7' y='9' width='14' height='10' rx='2' fill='none' stroke='%231B2766' stroke-width='2'/%3E%3Cpath d='M7.5 10l6.5 5 6.5-5' fill='none' stroke='%231B2766' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E"); }

/* checklists, steps, chains, timelines */
.cl-check { list-style: none; padding-left: 0; }
.cl-check > li { position: relative; padding-left: 2.3rem; margin-bottom: .75rem; }
.cl-check > li::before { content: ""; position: absolute; left: 0; top: .12em; width: 1.6rem; height: 1.6rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='12' fill='%23FFD23A'/%3E%3Cpath d='M7 12.4l3.3 3.3L17.2 8.8' fill='none' stroke='%231B2766' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat; }
.cl-steps { counter-reset: cl-s; position: relative; }
.cl-steps > li { counter-increment: cl-s; padding-left: 3rem; padding-bottom: .4rem; }
.cl-steps > li::before { content: counter(cl-s); background: var(--ink); color: #fff; border-radius: 50%; width: 2rem; height: 2rem; display: grid; place-items: center; font-weight: 800; font-size: .95rem; top: 0; }
.cl-steps > li:not(:last-child)::after { content: ""; position: absolute; left: calc(1rem - 2px); top: 2.1rem; bottom: -.7rem; width: 4px; border-radius: 2px; background: var(--yel2); }
.cl-timeline > li { padding-left: 0; padding-top: .1rem; border-left: 4px solid var(--yel2); padding-left: 1.2rem; margin-left: .5rem; margin-bottom: 0; padding-bottom: .9rem; }
.cl-timeline > li::before { content: none; }
.cl-timeline > li strong:first-child { display: inline-block; margin: 0 .45rem .2rem -2.05rem; background: var(--ink); color: #fff; border-radius: 999px; padding: .1rem .65rem; font-size: .92rem; }
.cl-chainlist { list-style: none; padding: 0; margin: 1.2rem 0 1.4rem; counter-reset: cl-c; }
.cl-chainlist > li { position: relative; display: flex; gap: .9rem; align-items: flex-start; padding-bottom: 1rem; counter-increment: cl-c; }
.cl-chainlist > li > div { padding-top: .45rem; }
.cl-chainlist > li:not(:last-child)::before { content: ""; position: absolute; left: 22px; top: 48px; bottom: 2px; width: 4px; border-radius: 2px; background: var(--ink); }
.cl-node-ico { position: relative; flex: none; width: 48px; height: 48px; border-radius: 16px; background: var(--sky); color: var(--ink); display: grid; place-items: center; box-shadow: inset 0 0 0 2.5px var(--ink); }
.cl-node-ico .cl-ico { width: 24px; height: 24px; }
.cl-chainlist .cl-node-ico::after { content: counter(cl-c); position: absolute; right: -7px; top: -7px; width: 22px; height: 22px; border-radius: 50%; background: var(--yel); color: var(--ink); font-size: .78rem; font-weight: 800; display: grid; place-items: center; box-shadow: 0 0 0 2px var(--ink); }
.cl-chain-tight > li { padding-bottom: .7rem; }
.cl-scripts { list-style: none; padding: 0; display: grid; gap: .8rem; }
.cl-scripts > li { background: var(--sky); border-radius: 22px 22px 22px 6px; padding: .9rem 1.05rem; }
.cl-scripts > li:nth-child(2) { background: var(--mint); }
.cl-scripts > li:nth-child(3) { background: var(--lilac); }

/* FAQ as a lesson chat: student asks, ChalkLine answers */
.cl-faq dt { width: fit-content; max-width: 92%; margin: 1.2rem 0 .45rem; padding: .6rem .95rem .65rem 2.9rem; position: relative; background: var(--sky); border-radius: 20px 20px 20px 6px; font-weight: 700; line-height: 1.4; }
.cl-faq dt::before { content: ""; position: absolute; left: .6rem; top: .5rem; width: 26px; height: 26px; border-radius: 50%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Ccircle cx='15' cy='15' r='15' fill='%23fff'/%3E%3Cpath d='M5 30c0-6 4-9.5 10-9.5S25 24 25 30z' fill='%232E8B5A'/%3E%3Ccircle cx='15' cy='12' r='6' fill='%23A86F4C'/%3E%3Cpath d='M9 11c0-4.5 3-6.5 6-6.5s6 2 6 6.5c-2-2-4-2.6-6-2.6S11 9 9 11z' fill='%231E1E2A'/%3E%3C/svg%3E") center / cover; }
.cl-faq dd { margin: 0 0 0 8%; padding: .75rem 1rem .8rem; background: var(--yelp); border-radius: 20px 20px 6px 20px; }
@media (min-width: 700px) { .cl-faq dd { margin-left: 14%; } }

/* ---------------------------------------------------------------- CTA panel */
.cl-cta-panel { display: grid; gap: .6rem; background: var(--ink); color: #EEF1FF; border-radius: 30px; padding: 1.1rem 1.15rem 1.3rem; margin: 2.2rem 0 1rem; }
.cl-cta-art img { display: block; width: 100%; max-width: 17rem; height: auto; margin: 0 auto; }
.cl-cta-panel h3 { color: #fff; font-size: 1.38rem; margin: 0 0 .5rem; }
.cl-cta-panel p { color: #EEF1FF; }
.cl-cta-panel a:not(.cl-cta-btn) { color: var(--yel); text-decoration-color: rgba(255, 210, 58, .55); }
.cl-cta-panel :focus-visible { outline-color: var(--yel); }
.cl-cta-row { margin: .9rem 0 .2rem !important; }
.cl-cta-panel .cl-cta-btn { background: var(--yel); color: var(--ink); }
.cl-cta-panel .cl-cta-btn:hover { background: #fff; color: var(--ink); }
.cl-cta-panel .cl-disclosure { display: flex; gap: .5rem; align-items: flex-start; margin: .85rem 0 0; color: var(--pale-on-ink); font-size: .88rem; }
.cl-cta-panel .cl-disclosure .cl-ico { width: 18px; height: 18px; margin-top: .15em; color: var(--yel); }
.cl-cta-body > :last-child { margin-bottom: 0; }
@media (max-width: 559.98px) { .cl-cta-panel .cl-cta-btn { width: 100%; } }
@media (min-width: 700px) { .cl-cta-panel { grid-template-columns: 14rem 1fr; gap: 1.6rem; align-items: center; padding: 1.6rem 1.8rem 1.6rem 1.4rem; } }

/* ---------------------------------------------------------------- tables (cards on phones) */
.cl-scroll { overflow-x: auto; margin: 1.4rem 0; border: 2.5px solid var(--ink); border-radius: 22px; background: #fff; }
.cl-table { border-collapse: collapse; width: 100%; min-width: 34rem; font-size: .95rem; }
.cl-table caption { caption-side: top; text-align: left; padding: .8rem 1rem .6rem; font-size: .88rem; color: var(--inkm); }
.cl-table thead th { background: var(--ink); color: #fff; font-weight: 700; padding: .6rem .7rem; text-align: left; }
.cl-table td, .cl-table tbody th { padding: .6rem .7rem; border-top: 1px solid var(--rule); text-align: left; vertical-align: top; }
.cl-table tbody th { font-weight: 700; }
.cl-table .cl-score { font-weight: 800; background: var(--yelp); white-space: nowrap; }
@media (min-width: 900px) {
  .cl-scroll:has(.cl-table-fit) { margin-left: -2.2rem; margin-right: -2.2rem; }
  .cl-table-fit th, .cl-table-fit td { padding: .6rem .48rem; }
  .cl-table-fit tbody th { min-width: 7.4rem; }
  .cl-table-fit td:last-child { min-width: 9rem; }
}
/* the nine-column fit table stays a card list until it can breathe (900px) */
@media (min-width: 640px) and (max-width: 899.98px) {
  .cl-scroll:has(.cl-table-fit) { overflow: visible; border: 0; background: none; border-radius: 0; }
  .cl-table-fit { min-width: 0; }
  .cl-table-fit, .cl-table-fit tbody, .cl-table-fit td, .cl-table-fit tbody th, .cl-table-fit caption { display: block; }
  .cl-table-fit caption { padding: 0 0 .7rem; }
  .cl-table-fit thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); }
  .cl-table-fit tr { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 1.2rem; background: #fff; border: 2.5px solid var(--ink); border-radius: 22px; margin: 0 0 .85rem; padding: .35rem 1.1rem .6rem; }
  .cl-table-fit tbody th { grid-column: 1 / -1; border: 0; font-family: var(--f-head); font-size: 1.12rem; padding: .45rem 0 .35rem; }
  .cl-table-fit td { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .8rem; padding: .45rem 0; }
  .cl-table-fit td::before { content: attr(data-label); font-weight: 700; color: var(--inkm); font-size: .88rem; }
  .cl-table-fit .cl-score, .cl-table-fit td:last-child { grid-column: 1 / -1; }
  .cl-table-fit .cl-score { background: var(--yelp); border-radius: 12px; padding: .45rem .6rem; margin: .2rem -.6rem 0; }
  .cl-table-fit td:last-child { grid-template-columns: 7rem minmax(0, 1fr); }
}
@media (max-width: 639.98px) {
  .cl-scroll { overflow: visible; border: 0; background: none; border-radius: 0; }
  .cl-table { min-width: 0; }
  .cl-table, .cl-table tbody, .cl-table tr, .cl-table td, .cl-table tbody th, .cl-table caption { display: block; }
  .cl-table caption { padding: 0 0 .7rem; }
  .cl-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); }
  .cl-table tr { background: #fff; border: 2.5px solid var(--ink); border-radius: 22px; margin: 0 0 .85rem; padding: .35rem .95rem .6rem; }
  .cl-table tbody th { border: 0; font-family: var(--f-head); font-size: 1.12rem; padding: .45rem 0 .35rem; }
  .cl-table td { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: .8rem; padding: .45rem 0; }
  .cl-table td::before { content: attr(data-label); font-weight: 700; color: var(--inkm); font-size: .88rem; }
  .cl-table .cl-score { background: var(--yelp); border-radius: 12px; padding: .45rem .6rem; margin: .2rem -.6rem 0; }
  .cl-table-fit tr { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 1.1rem; }
  .cl-table-fit tbody th, .cl-table-fit .cl-score, .cl-table-fit td:last-child { grid-column: 1 / -1; }
  .cl-table-fit td { grid-template-columns: minmax(0, 1fr) auto; }
  .cl-table-fit td:last-child { grid-template-columns: 7rem minmax(0, 1fr); }
}

/* ---------------------------------------------------------------- figures */
.cl-fig { margin: 1.8rem 0; background: #fff; border: 2.5px solid var(--ink); border-radius: 26px; padding: 1.1rem 1.1rem 1.05rem; }
.cl-fig-title { font-family: var(--f-head); font-weight: 700; font-size: 1.13rem; line-height: 1.3; margin: 0 0 .85rem; color: var(--ink); }
.cl-fig-note { font-size: .87rem; color: var(--inkm); margin: .85rem 0 0 !important; }
.cl-legend { display: flex; flex-wrap: wrap; gap: .35rem 1.1rem; list-style: none; padding: 0; margin: 0 0 1rem !important; font-size: .88rem; color: var(--ink); }
.cl-legend i { display: inline-block; width: 14px; height: 14px; border-radius: 4px; margin-right: .45rem; vertical-align: -2px; }
.cl-bars { list-style: none; padding: 0; margin: 0 !important; display: grid; gap: .85rem; }
.cl-bar-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "name val" "track track"; gap: .3rem .8rem; align-items: center; }
.cl-bar-name { grid-area: name; font-weight: 700; font-size: .95rem; }
.cl-bar-track { grid-area: track; display: flex; gap: 2px; height: 22px; background: #F1EEE2; border-radius: 6px; overflow: hidden; }
.cl-bar-val { grid-area: val; font-size: 1.08rem; }
.cl-seg { display: block; height: 100%; }
.cl-seg:first-child { border-radius: 4px 0 0 4px; }
.cl-seg:last-child { border-radius: 0 4px 4px 0; }
.cl-seg-a { background: #3651C9; } .cl-seg-b { background: #C27A00; } .cl-seg-c { background: #8E6FD1; }
@media (min-width: 640px) { .cl-bar-row { grid-template-columns: 12.5rem minmax(0, 1fr) 2.6rem; grid-template-areas: "name track val"; } }

.cl-stairs { list-style: none; padding: 0; margin: 0 !important; display: grid; gap: .6rem; }
.cl-stairs a { display: flex; gap: .85rem; align-items: center; min-height: 64px; padding: .7rem .9rem; border-radius: 20px; background: var(--sky); color: var(--ink); text-decoration: none; }
.cl-stairs li:nth-child(2) a { background: var(--yelp); }
.cl-stairs li:nth-child(3) a { background: var(--lilac); }
.cl-stairs a:hover { box-shadow: 0 0 0 2.5px var(--ink); }
.cl-step-ico { flex: none; width: 46px; height: 46px; border-radius: 14px; background: #fff; display: grid; place-items: center; }
.cl-step-ico .cl-ico { width: 24px; height: 24px; }
.cl-step-txt { display: flex; flex-direction: column; line-height: 1.3; }
.cl-step-txt b { font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; }
.cl-step-txt span { font-family: var(--f-head); font-weight: 700; font-size: 1.05rem; }
.cl-step-txt small { font-size: .88rem; color: var(--inkm); }
@media (min-width: 700px) { .cl-stairs li:nth-child(2) { margin-left: 2.2rem; } .cl-stairs li:nth-child(3) { margin-left: 4.4rem; } }

.cl-prices { list-style: none; padding: 0; margin: 0 !important; display: grid; gap: 1rem; }
.cl-price-row { display: grid; gap: .35rem; }
.cl-price-row .cl-bar-name { grid-area: auto; }
.cl-price-bars { display: grid; gap: 5px; }
.cl-pbar { position: relative; display: block; height: 24px; border-radius: 0 6px 6px 0; }
.cl-pbar b { position: absolute; left: calc(100% + .5rem); top: 50%; transform: translateY(-50%); font-size: .95rem; color: var(--ink); white-space: nowrap; }
.cl-pbar-a { background: #3651C9; } .cl-pbar-m { background: #C27A00; }
.cl-legend .cl-pbar-a, .cl-legend .cl-pbar-m { border-radius: 4px; }
@media (min-width: 640px) { .cl-price-row { grid-template-columns: 7rem minmax(0, 1fr); align-items: center; } }

.cl-zones { display: grid; gap: .6rem; }
.cl-zone { display: grid; grid-template-columns: auto 1fr; gap: .1rem .6rem; align-items: center; border-radius: 18px; padding: .75rem .95rem; }
.cl-zone .cl-ico { grid-row: span 2; width: 26px; height: 26px; }
.cl-zone b { font-size: 1.2rem; }
.cl-zone span { font-size: .93rem; }
.cl-zone-ok { background: var(--mint); } .cl-zone-ok .cl-ico { color: #1F6B45; }
.cl-zone-bad { background: var(--rose); } .cl-zone-bad .cl-ico { color: #A3262B; }
@media (min-width: 560px) { .cl-zones { grid-template-columns: 1fr 1.6fr; } }

.cl-consent-row { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; }
.cl-chip { display: inline-flex; align-items: center; gap: .45rem; min-height: 44px; padding: .4rem .95rem .4rem .75rem; border-radius: 999px; background: var(--sky); font-weight: 700; font-size: .95rem; }
.cl-chip-rec { background: var(--rose); }
.cl-chip-rec .cl-ico { color: #B3262B; }
.cl-plus { font-weight: 800; font-size: 1.3rem; padding: 0 .1rem; }

.cl-mute-row { list-style: none; padding: 0; margin: 0 !important; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .6rem; }
.cl-mute-row li { display: flex; flex-direction: column; align-items: center; gap: .4rem; text-align: center; font-weight: 700; font-size: .9rem; line-height: 1.3; }
.cl-mute-art { display: block; width: 100%; max-width: 11rem; background: var(--yelp); border-radius: 14px; padding: 4px; }
.cl-mute-art svg { display: block; width: 100%; height: auto; }

.cl-pass-flow { display: grid; gap: .6rem; }
.cl-nodes, .cl-pass-out { list-style: none; padding: 0; margin: 0 !important; display: grid; gap: .5rem; position: relative; }
.cl-nodes li, .cl-pass-out li { position: relative; display: flex; align-items: center; gap: .7rem; font-weight: 700; }
.cl-nodes li:not(:last-child)::after { content: ""; position: absolute; left: 22px; top: 48px; height: .5rem; width: 4px; background: var(--ink); }
.cl-pass-out { padding: .7rem .8rem !important; background: var(--yelp); border-radius: 18px; }
@media (min-width: 700px) {
  .cl-pass-flow { grid-template-columns: 1.6fr 1fr; align-items: center; gap: 1.4rem; }
  .cl-nodes { grid-template-columns: repeat(3, 1fr); gap: .8rem; }
  .cl-nodes li { flex-direction: column; text-align: center; font-size: .95rem; }
  .cl-nodes li:not(:last-child)::after { left: calc(50% + 30px); top: 22px; width: calc(100% - 44px); height: 4px; }
}
.cl-voice svg { display: block; width: 100%; max-width: 30rem; height: auto; margin: 0 auto; }
.cl-voice text { font-family: var(--f-body); }

/* ---------------------------------------------------------------- blog, rules, 404 */
.cl-entry { padding-top: 1.6rem; margin-top: 1.6rem; border-top: 2px dashed var(--rule); }
.cl-sheet > .cl-entry:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
.cl-entry h2 { margin-top: .5rem; }
.cl-entry h2::before { content: none; }
.cl-entry-date { display: inline-flex; align-items: center; gap: .4rem; margin: 0 !important; padding: .28rem .85rem .28rem .6rem; border-radius: 999px; background: var(--yel); font-weight: 700; font-size: .88rem; }
.cl-entry-date .cl-ico { width: 17px; height: 17px; }
.cl-rule-h { display: flex; align-items: flex-start; gap: .7rem; }
.cl-rule-h::before { content: none !important; }
.cl-rule-pin { flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--yel); display: grid; place-items: center; margin-top: -.1rem; }
.cl-rule-pin .cl-ico { width: 22px; height: 22px; }
.cl-lost-list { list-style: none; padding: 0; display: grid; gap: .6rem; }
.cl-lost-list li { background: var(--sky); border-radius: 18px; padding: .75rem 1rem; }
.cl-lost-list li:nth-child(2n) { background: var(--mint); }

/* ---------------------------------------------------------------- footer */
.cl-foot-wave { display: block; width: 100%; height: 26px; margin-top: 1.5rem; margin-bottom: -1px; }
.cl-foot { background: var(--ink); color: #E9EDFF; padding: 1.6rem 1rem 1.4rem; }
.cl-foot-in { max-width: 72rem; margin: 0 auto; display: grid; gap: 1.4rem; }
.cl-foot .cl-brand { color: #fff; }
.cl-foot .cl-brand-word b { color: var(--yel); }
.cl-foot .cl-logo-mark rect:first-child { fill: #2F47B8; }
.cl-foot-brand p { margin: .6rem 0 0; font-size: .95rem; max-width: 26rem; }
.cl-foot h2 { font-family: var(--f-body); font-size: .9rem; letter-spacing: .08em; text-transform: uppercase; color: var(--yel); margin: 0 0 .3rem; }
.cl-foot ul { list-style: none; padding: 0; margin: 0; }
.cl-foot li a { display: inline-flex; align-items: center; min-height: 44px; color: #fff; text-decoration: none; font-size: .98rem; }
.cl-foot li a:hover { text-decoration: underline; text-decoration-color: var(--yel); }
.cl-foot :focus-visible { outline-color: var(--yel); }
.cl-foot-legal { max-width: 72rem; margin: 1.2rem auto 0; padding-top: 1rem; border-top: 1px solid rgba(255, 255, 255, .2); font-size: .87rem; color: var(--pale-on-ink); }
.cl-foot-legal p { margin: 0 0 .6rem; }
@media (min-width: 760px) { .cl-foot-in { grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; } .cl-foot { padding: 2.2rem 1.5rem 1.6rem; } }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }