/* /learn courses v2 (docs/SPEC-learn-courses.md, docs/learn/BRIEF.md). Editorial tokens and components come from
   editorial.css; everything here is scoped to body.lr. Linked from learn-courses/_layout.pug with a content-hash ?v=. */

.lr .ed-page{padding-top:8px}
/* Foundation's .off-canvas-wrap has overflow:hidden, which makes it the scroll box for position:sticky, so the
   course bar and lesson list never stuck (measured 2026-11-11). clip still clips but is not a scroll box.
   Browsers without clip keep hidden: the bar then scrolls with the page, nothing breaks. */
.lr .off-canvas-wrap{overflow:clip}
/* .inner-wrap paints rgb(224,224,227); the lesson body sits outside any panel, so it showed a darker band. */
.lr .inner-wrap{background:transparent !important}
.lr a.lr-link,.lr .lr-sec p a,.lr .lr-sec li a,.lr .lr-lead a,.lr .lr-faq__a a,.lr .lr-task a,.lr .lr-card__x a,.lr .lr-flow__x a{color:var(--ink) !important;text-decoration:underline !important;text-underline-offset:3px;text-decoration-thickness:1px}
.lr a.lr-link:hover,.lr .lr-sec p a:hover,.lr .lr-sec li a:hover,.lr .lr-lead a:hover,.lr .lr-faq__a a:hover{text-decoration-thickness:2px}
.lr a::before{display:none !important}
.lr-ic{display:block;width:20px;height:20px;flex:none}
.lr-photo{display:block;width:100%;height:100%;object-fit:cover;object-position:center 30%}

/* Colour: ink, the warm greys and mint only (Vytas 2026-11-11: "why it is so noisy"). One tint per course made
   every block a different colour; the course photos carry the variety now. The tone classes stay as hooks. */
.lr,.lr [class*="lr-tone--"],.lr[class*="lr-tone--"]{--lr-tint:var(--ed-soft);--lr-deep:var(--ink)}

/* Breadcrumb */
.lr-crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 18px;font:400 14px/1.4 var(--ed-sans);color:var(--mut)}
.lr-crumb a{color:var(--mut) !important;text-decoration:none !important}
.lr-crumb a:hover{color:var(--ink) !important;text-decoration:underline !important}
.lr-crumb span[aria-current]{color:var(--ink)}

/* Chips and meta */
.lr-chip{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:var(--ed-r-chip);background:var(--ed-soft);font:500 12px/1.2 var(--ed-sans);color:var(--ink)}

/* Hero (hub and course) */
.lr-hero{padding-top:clamp(32px,5vw,72px) !important}
.lr-hero__h1{margin:18px 0 0;font:500 clamp(38px,4.8vw,68px)/.98 var(--ed-disp);letter-spacing:-.035em;text-wrap:balance;max-width:760px;color:var(--ink)}
.lr-hero__h1--course{font-size:clamp(34px,4vw,56px);max-width:680px}
.lr-hero__lead{margin-top:20px !important;max-width:560px}
.lr-hero__grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:clamp(28px,5vw,80px);align-items:center}
.lr-quiet{margin:16px 0 0;font:400 14px/1.5 var(--ed-sans);color:var(--mut)}
.lr .lr-quiet a{color:inherit !important;text-decoration:underline !important;text-underline-offset:3px}
body.lr main>section.lr-hero .lr-quiet{color:rgba(255,255,255,0.64)}
/* Long lists read best at about 860px, starting on the same left edge as the hero. */
.lr main>section:not(.lr-hero):not(.lr-final) .ed-inner>h2.ed-h3{margin:0 0 24px}
.lr-narrow>*{max-width:860px}
.lr-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}


.lr-hero__photo{margin:0;aspect-ratio:4/5;width:100%;border-radius:var(--ed-r-card);overflow:hidden;background:var(--ed-soft)}

/* Course cards (hub): the whole card is one link */
.lr-courses{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:28px}
a.lr-ccard{display:flex;flex-direction:column;border-radius:var(--ed-r-card);overflow:hidden;background:#fff;color:var(--ink) !important;text-decoration:none !important}
.lr-ccard__photo{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--ed-soft)}
.lr-ccard__photo .lr-photo{transition:transform .5s cubic-bezier(.2,.7,.2,1)}
a.lr-ccard:hover .lr-ccard__photo .lr-photo{transform:scale(1.03)}
.lr-ccard__inner{display:flex;flex-direction:column;gap:8px;padding:20px 22px 22px;flex:1}
.lr-ccard__h{font:500 22px/1.15 var(--ed-disp);letter-spacing:-.02em}
a.lr-ccard:hover .lr-ccard__h{text-decoration:underline;text-underline-offset:4px}
.lr-ccard__card{font:400 15px/1.5 var(--ed-sans);color:var(--mut)}
.lr-ccard__meta{margin-top:auto;padding-top:8px;font:400 13px/1.3 var(--ed-sans);color:var(--mut)}



/* Syllabus (course) */
.lr-syllabus{list-style:none;margin:28px 0 0;padding:0;border-top:1px solid var(--line)}
.lr-syllabus__row{list-style:none;margin:0;display:grid;grid-template-columns:36px minmax(0,1fr) auto 22px;gap:16px;align-items:baseline;padding:20px 0;border-bottom:1px solid var(--line)}
.lr-syllabus__n{font:500 14px/1 var(--ed-mono);color:var(--mut)}
.lr-syllabus__body h3{margin:0;font:500 clamp(19px,1.6vw,22px)/1.25 var(--ed-disp);letter-spacing:-.015em}
.lr-syllabus__body h3 a{color:var(--ink) !important;text-decoration:none !important}
.lr-syllabus__body h3 a:hover{text-decoration:underline !important;text-underline-offset:4px}
.lr-syllabus__body p{margin:6px 0 0;font:400 15px/1.5 var(--ed-sans);color:var(--mut)}
.lr-syllabus__min{font:400 13px/1 var(--ed-sans);color:var(--mut);white-space:nowrap}
.lr-syllabus__tick{width:18px;height:18px;align-self:center;border-radius:var(--ed-r-sq);border:1px solid var(--line)}
.lr-syllabus__row.is-done .lr-syllabus__tick{background:var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.2l2.6 2.6L12 5.4' fill='none' stroke='%23B2F6E3' stroke-width='2'/%3E%3C/svg%3E") center/18px no-repeat;border-color:var(--ink)}

.lr-others-line{margin-top:24px}

/* FAQ (native details, works with JS off) */
.lr-faq{border-top:1px solid var(--line)}
.lr-faq__item{border-bottom:1px solid var(--line)}
.lr-faq__item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;cursor:pointer;list-style:none}
.lr-faq__item summary::-webkit-details-marker{display:none}
.lr-faq__q{margin:0 !important;font:500 clamp(18px,1.5vw,21px)/1.3 var(--ed-disp) !important;letter-spacing:-.015em;color:var(--ink) !important}
.lr-faq__icon{position:relative;flex:none;width:14px;height:14px}
.lr-faq__icon::before,.lr-faq__icon::after{content:"";position:absolute;right:0;top:6px;width:14px;height:2px;background:var(--ink);transition:transform .2s ease}
.lr-faq__icon::after{transform:rotate(90deg)}
.lr-faq__item[open] .lr-faq__icon::after{transform:rotate(0)}
.lr-faq__a{padding:0 0 22px;max-width:700px;font:400 16px/1.6 var(--ed-sans);color:var(--mut)}

.lr-final .ed-lead{margin-top:16px;max-width:560px}

/* Lesson: course bar with a reading line */
.lr-bar{position:sticky;top:0;z-index:20;background:rgba(239,238,236,.94);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line);margin:0 0 8px}
.lr-bar__inner{max-width:1280px;margin:0 auto;padding:10px clamp(16px,2.5vw,40px);display:flex;align-items:center;gap:16px;font:400 14px/1.3 var(--ed-sans);color:var(--mut)}
.lr-bar__course{display:inline-flex;gap:6px;color:var(--ink) !important;text-decoration:none !important;font-weight:500}
.lr-bar__course:hover{text-decoration:underline !important}
.lr-bar__read{position:absolute;right:0;left:0;bottom:-1px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:0 50%}

/* Lesson: hero with the quick answer and a photo */
.lr-lhero{max-width:1280px;margin:0 auto;padding:clamp(8px,1.5vw,16px) clamp(8px,1.4vw,20px) 0}
.lr-lhero__inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,300px);gap:clamp(28px,4vw,64px);align-items:center;padding:clamp(22px,4vw,56px);border-radius:var(--ed-r-panel);background:#fff}
.lr-lhero__text{min-width:0;max-width:760px}
.lr-lhero__photo{position:relative;margin:0;aspect-ratio:4/5;border-radius:var(--ed-r-card);overflow:hidden}
.lr-lhero__photo .lr-photo{position:relative;border-radius:var(--ed-r-card)}
.lr-eyebrow{margin:0;font:500 13px/1.3 var(--ed-sans);color:var(--mut)}
.lr-h1{margin:12px 0 0;font:500 clamp(32px,3.8vw,52px)/1.02 var(--ed-disp);letter-spacing:-.035em;text-wrap:balance;color:var(--ink);text-align:right}
.lr-lead{margin:20px 0 0;max-width:620px;font:400 19px/1.55 var(--ed-sans);color:var(--ink);text-wrap:pretty}

/* Lesson: layout */
.lr-lesson{max-width:1280px;margin:0 auto;padding:clamp(24px,3vw,48px) clamp(16px,2.5vw,40px) 24px;display:grid;grid-template-columns:250px minmax(0,1fr);gap:clamp(32px,5vw,80px);align-items:start}
.lr-toc{position:sticky;top:64px;font:400 14px/1.35 var(--ed-sans)}
.lr-toc__head{margin:0 0 14px}
.lr-toc__head a{font:500 16px/1.25 var(--ed-disp);letter-spacing:-.01em;color:var(--ink) !important;text-decoration:none !important}
.lr-toc__head a:hover{text-decoration:underline !important}
.lr-toc__list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.lr-toc__list li{list-style:none;margin:0;border-bottom:1px solid var(--line)}
.lr-toc__list a{display:grid;grid-template-columns:22px minmax(0,1fr) auto;gap:8px;align-items:baseline;padding:11px 0;color:var(--mut) !important;text-decoration:none !important}
.lr-toc__list a:hover{color:var(--ink) !important}
.lr-toc__list li.is-current a{color:var(--ink) !important;font-weight:500}
.lr-toc__list li.is-current .lr-toc__n{color:var(--lr-deep)}
.lr-toc__n{font:500 12px/1 var(--ed-mono);color:var(--mut)}
.lr-toc__list li.is-done .lr-toc__n{font-size:0;width:14px;height:14px;border-radius:var(--ed-r-sq);background:var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.2l2.6 2.6L12 5.4' fill='none' stroke='%23B2F6E3' stroke-width='2'/%3E%3C/svg%3E") center/12px no-repeat;align-self:center}
.lr-toc-m{display:none}

.lr-main{max-width:760px;min-width:0}

/* Lesson: sections */
.lr-sec{margin:64px 0 0;scroll-margin-top:72px}
.lr-h2{margin:0 0 16px;font:500 clamp(26px,2.6vw,34px)/1.1 var(--ed-disp);letter-spacing:-.03em;color:var(--ink);text-wrap:balance}
.lr-sec>p,.lr-intro,.lr-after{margin:0 0 14px;font:400 17px/1.65 var(--ed-sans);color:var(--ink)}
.lr-after{color:var(--mut)}
.lr-list{list-style:none;margin:6px 0 16px;padding:0}
.lr-list li{position:relative;list-style:none;margin:0 0 10px;padding-right:22px;font:400 17px/1.6 var(--ed-sans);color:var(--ink)}
.lr-list li::before{content:"";position:absolute;right:0;top:.68em;width:6px;height:6px;border-radius:50%;background:var(--ink)}

/* Cards: options and ways, with an icon each */
.lr-cards{display:grid;gap:12px;margin:14px 0 20px}
.lr-cards--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.lr-cards--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.lr-cards--4{grid-template-columns:repeat(4,minmax(0,1fr));margin-top:32px}
.lr-card{padding:20px;border-radius:18px;background:#fff;display:flex;flex-direction:column;gap:8px}
.ed-panel--white .lr-card{background:var(--ed-soft)}
.lr-card__ic{display:inline-flex;margin-bottom:4px;color:var(--ink)}
.lr-card__t{margin:0 !important;font:500 18px/1.2 var(--ed-disp) !important;letter-spacing:-.015em !important;color:var(--ink) !important}
.lr-card__x{margin:0;font:400 15px/1.55 var(--ed-sans);color:var(--mut)}

/* Flow: the path a follower takes, boxes joined by arrows */
.lr-flow{list-style:none;margin:16px 0 22px;padding:0;display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr));gap:22px}
.lr-flow__step{position:relative;list-style:none;margin:0;padding:16px;border-radius:16px;background:#fff;display:flex;flex-direction:column;gap:6px}
.lr-flow__n{font:500 12px/1.4 var(--ed-mono);color:var(--mut)}
.lr-flow__t{font:500 16px/1.25 var(--ed-disp);letter-spacing:-.01em;color:var(--ink)}
.lr-flow__x{font:400 14px/1.45 var(--ed-sans);color:var(--mut)}
.lr-flow__arrow{position:absolute;top:50%;left:-20px;width:18px;height:18px;margin-top:-9px;color:var(--ed-ph);z-index:1}
.lr-flow__arrow .lr-ic{width:18px;height:18px}

/* Steps: a numbered line */
.lr-steps{list-style:none;margin:8px 0 18px;padding:0;position:relative}
.lr-steps>li{position:relative;list-style:none;display:grid;grid-template-columns:40px minmax(0,1fr);gap:14px;margin:0;padding:0 0 22px}
.lr-steps>li:not(:last-child)::after{content:"";position:absolute;right:15px;top:36px;bottom:4px;width:2px;background:rgba(17,18,18,.1)}
.lr-steps__n{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--ink);color:#fff;font:500 13px/1 var(--ed-mono)}
.lr-steps__t{margin:4px 0 4px;font:500 18px/1.3 var(--ed-disp);letter-spacing:-.015em;color:var(--ink)}
.lr-steps p{margin:0;font:400 16px/1.6 var(--ed-sans);color:var(--mut)}
.lr-steps--task p{color:var(--ink);margin-top:5px}
.lr-steps--task>li:not(:last-child)::after{background:rgba(17,18,18,.16)}

/* Phone: a bio page drawn on a phone */
.lr-phone{margin:18px 0 24px;padding:clamp(24px,4vw,40px) 16px;border-radius:var(--ed-r-card);background:#E7E5E2;display:flex;flex-direction:column;align-items:center;gap:16px}
.lr-phone__device{width:100%;max-width:300px;padding:10px;border-radius:44px;background:#111212;box-shadow:var(--ed-sh-phone)}
.lr-phone__screen{border-radius:35px;background:#fff;padding:26px 14px 18px;display:flex;flex-direction:column;gap:14px}
.lr-phone__head{display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center}
.lr-phone__avatar{display:inline-flex;align-items:center;justify-content:center;width:62px;height:62px;margin-bottom:6px;border-radius:50%;background:var(--mint);color:var(--ink);font:600 20px/1 var(--ed-disp);letter-spacing:-.02em}
.lr .lr-phone__name{margin:0;font:600 17px/1.2 var(--ed-disp);letter-spacing:-.015em;color:var(--ink)}
.lr .lr-phone__bio{margin:0;font:400 13px/1.4 var(--ed-sans);color:var(--mut)}
.lr-phone__rows{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.lr-phone__row{list-style:none;margin:0;display:grid;grid-template-columns:30px minmax(0,1fr);gap:10px;align-items:center;padding:10px 12px;border-radius:14px;border:1px solid var(--line);background:#fff}
.lr-phone__row.is-main{background:var(--ink);border-color:var(--ink)}
.lr-phone__ic{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:var(--ed-soft);color:var(--ink)}
.lr-phone__ic .lr-ic{width:16px;height:16px}
.lr-phone__row.is-main .lr-phone__ic{background:var(--mint)}
.lr-phone__body{display:flex;flex-direction:column;gap:2px;min-width:0}
.lr-phone__type{font:500 10px/1.2 var(--ed-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--mut)}
.lr-phone__text{font:500 14px/1.3 var(--ed-sans);color:var(--ink);overflow-wrap:anywhere}
.lr-phone__row.is-main .lr-phone__type{color:rgba(255,255,255,.6)}
.lr-phone__row.is-main .lr-phone__text{color:#fff}
.lr-phone__social{list-style:none;margin:4px 0 0;display:flex;flex-direction:column;align-items:center;gap:6px}
.lr-phone__dots{display:flex;gap:10px}
.lr-phone__dots i{display:block;width:22px;height:22px;border-radius:50%;background:var(--ed-soft);border:1px solid var(--line)}
.lr-phone__text--sm{font-size:12px;font-weight:400;color:var(--mut);text-align:center}
.lr-phone__social .lr-phone__type{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.lr-phone__cap{max-width:440px;margin:0;text-align:center;font:400 14px/1.5 var(--ed-sans);color:var(--ink)}

/* Compare: two columns, the right one is the better choice */
.lr-compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0 22px}
.lr-compare__col{padding:20px;border-radius:18px;background:#fff}
.lr-compare__col--b{background:#fff;box-shadow:inset 0 0 0 1.5px var(--ink)}
.lr-compare__t{display:flex;align-items:center;gap:8px;margin:0 0 12px;font:600 15px/1.3 var(--ed-sans);color:var(--ink)}
.lr-compare__badge{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--ink);color:var(--mint)}
.lr-compare__badge .lr-ic{width:13px;height:13px;stroke-width:2.6}
.lr-compare ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.lr-compare li{display:grid;grid-template-columns:18px minmax(0,1fr);gap:10px;list-style:none;margin:0;font:400 15px/1.5 var(--ed-sans);color:var(--ink)}
.lr-compare__col--a li{color:var(--mut)}
.lr-compare__dot{width:7px;height:7px;margin:8px 5px 0 0;border-radius:50%;background:var(--ed-ph)}
.lr-compare__tick{color:var(--ink);padding-top:2px}
.lr-compare__tick .lr-ic{width:16px;height:16px;stroke-width:2.4}

/* Checklist: real checkboxes, nothing saved */
.lr-check{margin:16px 0 22px;padding:20px 22px;border-radius:18px;background:#fff}
.lr-check__t{margin:0 0 10px;font:500 14px/1.3 var(--ed-sans);color:var(--mut)}
.lr-check ul{list-style:none;margin:0;padding:0}
.lr-check li{list-style:none;margin:0;border-top:1px solid var(--line)}
.lr-check li:first-child{border-top:0}
.lr-check label{display:grid;grid-template-columns:24px minmax(0,1fr);gap:12px;align-items:start;padding:11px 0;cursor:pointer;font:400 16px/1.5 var(--ed-sans);color:var(--ink);margin:0}
.lr-check input{position:absolute;opacity:0;width:1px;height:1px;margin:0}
.lr-check__box{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;margin-top:1px;border-radius:6px;border:1.5px solid rgba(17,18,18,.35);background:#fff;color:transparent;transition:background-color .15s ease}
.lr-check__box .lr-ic{width:14px;height:14px;stroke-width:2.6}
.lr-check input:checked+.lr-check__box{background:var(--ink);border-color:var(--ink);color:var(--mint)}
.lr-check input:checked~.lr-check__x{color:var(--mut);text-decoration:line-through;text-decoration-color:rgba(17,18,18,.3)}
.lr-check input:focus-visible+.lr-check__box{outline:2px solid var(--ink);outline-offset:2px}

/* Table */
.lr-table{margin:12px 0 20px;overflow-x:auto;border-radius:16px;background:#fff;-webkit-overflow-scrolling:touch}
.lr-table table{width:100%;border-collapse:collapse;margin:0;border:0;background:transparent;font:400 15px/1.45 var(--ed-sans)}
.lr-table th,.lr-table td{padding:13px 16px;text-align:right;vertical-align:top;border:0;border-bottom:1px solid var(--line);color:var(--ink);background:transparent}
.lr-table thead th{font:500 13px/1.3 var(--ed-sans);color:var(--mut);background:transparent}
.lr-table tbody th{font-weight:500}
.lr-table tbody tr:last-child th,.lr-table tbody tr:last-child td{border-bottom:0}
.lr-table td{color:var(--mut)}
.lr-table tbody tr:nth-child(even){background:transparent}

/* Lines to copy */
.lr-copy{margin:14px 0 20px;border-radius:var(--ed-r-card);background:#fff;padding:18px 20px}
.lr-copy__label{display:flex;align-items:center;gap:8px;margin:0 0 6px;font:500 13px/1.3 var(--ed-sans);color:var(--mut)}
.lr-copy__ic .lr-ic{width:16px;height:16px;color:var(--mut)}
.lr-copy ul{list-style:none;margin:0;padding:0}
.lr-copy__row{list-style:none;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"use btn" "text btn";gap:4px 14px;margin:0;padding:14px 0;border-top:1px solid var(--line)}
.lr-copy__row:first-child{border-top:0}
.lr-copy__use{grid-area:use;font:500 12px/1.3 var(--ed-sans);color:var(--mut)}
.lr-copy__text{grid-area:text;margin:0;font:400 16px/1.5 var(--ed-sans);color:var(--ink)}
.lr-copy__btn{grid-area:btn;align-self:center;min-height:34px;padding:6px 12px;border:1px solid var(--line);border-radius:var(--ed-r-btn);background:transparent;font:500 13px/1 var(--ed-sans);color:var(--ink);cursor:pointer}
.no-js .lr-copy__btn{display:none}

/* Mistakes and fixes */
.lr-mistakes{margin:14px 0 20px;border-radius:var(--ed-r-card);background:#fff;padding:4px 20px}
.lr-mistakes__row{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--line)}
.lr-mistakes__row:first-child{border-top:0}
.lr-mistakes__row p{margin:0;display:flex;flex-direction:column;gap:6px;font:400 16px/1.5 var(--ed-sans);color:var(--ink)}
.lr-mistakes__fix{color:var(--mut)}
.lr-tag{display:inline-flex;align-items:center;gap:5px;align-self:flex-start;padding:3px 6px 3px 8px;border-radius:6px;background:var(--ed-soft);font:500 11px/1.2 var(--ed-mono);letter-spacing:.03em;text-transform:uppercase;color:var(--mut)}
.lr-tag .lr-ic{width:12px;height:12px;stroke-width:2.6}
.lr-tag--fix{background:var(--mint);color:var(--ed-on-mint)}

/* Tip */
.lr-callout{display:grid;grid-template-columns:24px minmax(0,1fr);gap:12px;margin:16px 0 20px;padding:18px 20px;border-radius:18px;background:#fff}
.lr-callout__ic{display:inline-flex;padding-top:2px;color:var(--ink)}
.lr-callout p{margin:0;font:400 16px/1.6 var(--ed-sans);color:var(--ink)}
.lr-callout .lr-callout__t{margin:4px 0 4px;font:500 16px/1.3 var(--ed-sans)}

/* Task, done button, next lesson */
.lr-task{margin:72px 0 0;padding:28px;border-radius:var(--ed-r-card);background:var(--mint);scroll-margin-top:72px}
.lr-task .lr-steps__n{background:var(--ink)}
.lr-task__done{margin:6px 0 0;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.6);font:500 16px/1.5 var(--ed-sans);color:var(--ink)}

.lr-done{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:stretch;margin:28px 0 0}
.lr-done__btn{display:inline-flex;align-items:center;gap:10px;padding:14px 18px;border:1px solid var(--ink);border-radius:var(--ed-r-btn);background:#fff;font:500 15px/1.2 var(--ed-sans);color:var(--ink);cursor:pointer}
.lr-done__btn::before{content:"";width:18px;height:18px;border-radius:var(--ed-r-sq);border:1px solid var(--ink);flex:none}
.lr-done__btn.is-done{background:var(--ink);color:#fff}
.lr-done__btn.is-done::before{border-color:var(--mint);background:var(--mint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.2l2.6 2.6L12 5.4' fill='none' stroke='%23111212' stroke-width='2'/%3E%3C/svg%3E") center/14px no-repeat}
.no-js .lr-done__btn{display:none}
a.lr-next{display:flex;flex-direction:column;gap:4px;padding:16px 20px;border-radius:14px;background:var(--ink);color:#fff !important;text-decoration:none !important}
a.lr-next:hover{background:var(--ed-ink-hover)}
.lr-next__label{font:500 13px/1.3 var(--ed-sans);color:var(--ed-on-dark-sm)}
.lr-next__t{font:500 19px/1.25 var(--ed-disp);letter-spacing:-.015em}

/* Read next and the close */
.lr-deeper{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.lr-deeper li{list-style:none;margin:0;border-bottom:1px solid var(--line)}
.lr .lr-deeper a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 0;font:500 17px/1.35 var(--ed-sans);color:var(--ink) !important;text-decoration:none !important}
.lr .lr-deeper a:hover{text-decoration:underline !important}
.lr-deeper__arrow{color:var(--mut);transition:transform .15s ease}
.lr .lr-deeper a:hover .lr-deeper__arrow{transform:translateX(-3px)}

.lr-cta{margin:48px 0 40px;padding:22px 24px;border-radius:var(--ed-r-card);background:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px}
.lr-cta .lr-cta__t{margin:0;font:500 18px/1.35 var(--ed-disp);letter-spacing:-.01em;color:var(--ink)}


/* Responsive */
@media (max-width:1100px){
  .lr-cards--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
/* At 1024px and below the site's tab bar is fixed at the top, 64px tall: the course bar sits under it. */
@media (max-width:1024px){
  .lr-bar{top:64px}
  .lr-toc{top:124px}
  .lr-sec,.lr-task{scroll-margin-top:124px}
}
@media (max-width:1000px){
  .lr-lesson{grid-template-columns:minmax(0,1fr)}
  .lr-toc{display:none}
  .lr-main{max-width:none}
  .lr-toc-m{display:block;margin:0 0 20px;border:1px solid var(--line);border-radius:14px;background:#fff}
  .lr-toc-m summary{padding:14px 16px;font:500 15px/1.3 var(--ed-sans);color:var(--ink);cursor:pointer}
  .lr-toc-m .lr-toc__list{margin:0 16px 12px}
  .lr-hero__grid{grid-template-columns:minmax(0,1fr)}
  .lr-hero__photo{max-width:420px;aspect-ratio:16/10}
  .lr-courses{grid-template-columns:minmax(0,1fr)}
  .lr-lhero__inner{grid-template-columns:minmax(0,1fr) 220px}
}
@media (max-width:760px){
  .lr-mistakes__row{grid-template-columns:minmax(0,1fr);gap:10px}
  .lr-done{grid-template-columns:minmax(0,1fr)}
  .lr-syllabus__row{grid-template-columns:24px minmax(0,1fr) 18px;gap:12px}
  .lr-syllabus__min{display:none}
  .lr-actions .ed-btn{flex:1 1 auto}
  .lr-cards--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lr-flow{grid-template-columns:minmax(0,1fr);gap:20px}
  .lr-flow__arrow{top:auto;left:auto;right:50%;bottom:-19px;margin:0 -9px 0 0;transform:rotate(90deg)}
  .lr-compare{grid-template-columns:minmax(0,1fr)}
  /* Phone: the answer stays on the first screen, the photo follows it as a short strip. */
  .lr-lhero__inner{grid-template-columns:minmax(0,1fr);gap:22px;border-radius:var(--ed-r-card)}
  .lr-lhero__photo{aspect-ratio:16/9}
}
@media (max-width:560px){
  .lr-cards--2,.lr-cards--3,.lr-cards--4{grid-template-columns:minmax(0,1fr)}
  .lr-lead{font-size:17px}
  .lr-task{padding:22px 18px}
  .lr-copy__row{grid-template-columns:minmax(0,1fr);grid-template-areas:"use" "text" "btn"}
  .lr-copy__btn{justify-self:start;margin-top:6px}
  .lr-sec{margin-top:52px}
  .lr-hero__h1{font-size:36px}
  .lr-hero__h1--course{font-size:32px}
  .lr-phone{padding:24px 12px}
  /* Phone: cards and flow steps lie flat (icon or number beside the text), half the height of a stacked card. */
  .lr-card{display:grid;grid-template-columns:24px minmax(0,1fr);gap:2px 14px;padding:16px}
  .lr-card__ic{grid-row:1 / span 2;margin:0;padding-top:2px}
  .lr-card__t{align-self:end}
  .lr-flow__step{display:grid;grid-template-columns:20px minmax(0,1fr);gap:2px 12px;padding:13px 14px}
  .lr-flow__n{grid-row:1 / span 2}
}
@media (prefers-reduced-motion:reduce){
  .lr .lr-photo,.lr-deeper__arrow{transition:none !important}
}

/* A legacy button rule paints focus and active states: white text on these white buttons (invisible) and an
   indigo fill (measured 2026-11-11). Every state is pinned here, and keyboard focus gets a visible ring. */
.lr button.lr-copy__btn,.lr button.lr-copy__btn:focus,.lr button.lr-copy__btn:active{background:transparent !important;color:var(--ink) !important;border:1px solid var(--line) !important;box-shadow:none !important;text-shadow:none !important}
.lr button.lr-copy__btn:hover{background:var(--ed-soft) !important}
.lr button.lr-done__btn,.lr button.lr-done__btn:focus,.lr button.lr-done__btn:active,.lr button.lr-done__btn:hover{background:#fff !important;color:var(--ink) !important;border:1px solid var(--ink) !important;box-shadow:none !important;text-shadow:none !important}
.lr button.lr-done__btn.is-done,.lr button.lr-done__btn.is-done:focus,.lr button.lr-done__btn.is-done:active,.lr button.lr-done__btn.is-done:hover{background:var(--ink) !important;color:#fff !important}
.lr button.lr-copy__btn:focus-visible,.lr button.lr-done__btn:focus-visible,.lr .lr-faq__item summary:focus-visible,.lr .lr-toc-m summary:focus-visible{outline:2px solid var(--ink) !important;outline-offset:2px}
/* Editorial's --ed-label grey is 4.05:1 on the page colour, under the 4.5:1 small-text minimum (Lighthouse,
   2026-11-11). Labels and numbers on light panels use --mut here; ink and mint panels keep their own colours. */
.lr .ed-panel--grey .ed-label,.lr .ed-panel--white .ed-label,.lr .ed-panel--grey .ed-num,.lr .ed-panel--white .ed-num{color:var(--mut)}
/* Headings inside cards: editorial's h3 rules set size and colour on every h3; these are card titles. */
.lr .lr-card h3,.lr .lr-ccard h3,.lr .lr-syllabus h3{text-transform:none}