/* Web-Learning — content pages: /lesson-tour, /before-you-start, /about (prefix p-). */

/* ---------- shared bits for the three pages ---------- */
.p-tour-top,.p-start-top,.p-about-top{margin-top:clamp(20px,3vw,40px)}
.p-desk,.p-try,.p-honest,.p-tour-end,
.p-kit,.p-time,.p-evening,.p-words,.p-where,
.p-can,.p-made,.p-principles,.p-shelf-count{margin-top:clamp(56px,7vw,104px)}
.p-lede{font-size:clamp(1.08rem,1.4vw,1.25rem);color:var(--muted);max-width:60ch}
.tile--green .p-lede{color:var(--cream-muted)}
.p-label{font-family:var(--font-mono);font-size:.8rem;font-weight:500;color:var(--muted);margin:0 0 .7rem;letter-spacing:0}
.tile--lime .p-label{color:var(--ink)}
.p-label-code{font-family:var(--font-mono);font-size:.8rem;font-weight:500;color:var(--code-muted);margin:0 0 .7rem}
.p-desk .path,.p-made .path{color:var(--code-muted)}
.p-time .path{color:var(--cream-muted)}
.p-desk .path::before,.p-made .path::before,.p-time .path::before{background:var(--lime)}
.p-path-light{margin-bottom:.6rem}
.p-codebar>i:nth-child(n){flex:none}

/* syntax colours (only ever on --code) */
.p-t-tag{color:var(--c-pink)}
.p-t-prop{color:var(--c-blue)}
.p-t-val{color:var(--c-amber)}
.p-t-sel{color:var(--c-green)}
.p-t-com{color:var(--code-muted);font-style:italic}

/* code panel with line numbers */
.p-code-tile{background:var(--code);color:var(--code-text);border-radius:var(--r);overflow:hidden;min-width:0}
.p-codebar--mid{border-top:1px solid rgba(255,255,255,.1)}
.p-code{margin:0;padding:16px 18px 20px;overflow-x:auto;font-family:var(--font-mono);font-size:.86rem;line-height:1.75;tab-size:2;counter-reset:ln;white-space:pre}
.p-code code{font-size:inherit}
.p-ln{counter-increment:ln}
.p-ln::before{content:counter(ln);display:inline-block;width:1.8em;margin-right:1.1em;text-align:right;color:var(--code-muted);font-variant-numeric:tabular-nums;user-select:none;-webkit-user-select:none}

/* ================= /lesson-tour ================= */
.p-tour-top{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:var(--gap)}
.p-tour-top>*{min-width:0}
.p-tour-intro{grid-column:span 4;padding:clamp(24px,3.4vw,48px)}
.p-tour-intro h1{max-width:16ch}
.p-tour-facts{grid-column:span 2;display:flex;flex-direction:column}
.p-tour-name{font-size:clamp(1.2rem,1.8vw,1.5rem);font-weight:700;line-height:1.2;letter-spacing:-.01em;margin:0 0 .3rem}
.p-tour-name a{text-decoration:none}
.p-tour-name a:hover{text-decoration:underline}
.p-tour-shelf{font-size:.95rem;margin:0 0 1.2rem}
.p-facts{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px;margin:auto 0 0}
.p-facts div{border-top:1px solid rgba(22,25,29,.22);padding-top:8px}
.p-facts dt{font-size:.85rem;font-weight:500}
.p-facts dd{margin:0;font-size:clamp(1.25rem,2vw,1.6rem);font-weight:500}

.p-desk{background:var(--code);color:var(--code-text);padding:clamp(48px,6vw,88px) 0}
.p-desk h2{color:var(--cream)}
.p-desk-head{max-width:68ch;margin-bottom:clamp(24px,3vw,36px)}
.p-desk-grid{display:grid;grid-template-columns:minmax(250px,.62fr) minmax(0,1.38fr);gap:clamp(14px,2vw,24px);align-items:start}
.p-desk-grid>*{min-width:0}
.p-explorer{border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:16px 12px}
.p-explorer-title{font-size:.8rem;letter-spacing:.08em;color:var(--code-muted);margin:0 6px 10px}
.p-units{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.p-units li{display:grid;grid-template-columns:20px minmax(0,1fr) auto;gap:2px 10px;align-items:start;padding:10px 8px;border-radius:10px;border-left:3px solid transparent}
.p-units li.is-now{background:rgba(220,239,122,.1);border-left-color:var(--lime)}
.p-folder{position:relative;width:18px;height:13px;margin-top:5px;border:1.5px solid var(--code-muted);border-radius:2px 3px 3px 3px}
.p-folder::before{content:"";position:absolute;left:-1.5px;top:-5px;width:8px;height:4px;border:1.5px solid var(--code-muted);border-bottom:0;border-radius:2px 2px 0 0}
.is-now .p-folder,.is-now .p-folder::before{border-color:var(--lime)}
.p-unit-name{grid-column:2;font-size:.97rem;line-height:1.35;color:var(--code-text)}
.p-unit-no{color:var(--code-muted);font-size:.85rem;margin-right:4px}
.p-unit-meta{grid-column:2;font-size:.8rem;color:var(--code-muted)}
.p-now{grid-column:3;grid-row:1;align-self:start;font-size:.8rem;color:var(--ink);background:var(--lime);border-radius:6px;padding:1px 7px}

.p-frame{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:#000}
.p-frame img{width:100%;height:100%;object-fit:cover;object-position:50% 32%}
.p-play{position:absolute;left:50%;top:46%;width:78px;height:78px;margin:-39px 0 0 -39px;border-radius:50%;background:var(--cream);box-shadow:0 0 0 10px rgba(246,244,236,.25)}
.p-play::before{content:"";position:absolute;left:31px;top:24px;border-style:solid;border-width:15px 0 15px 24px;border-color:transparent transparent transparent var(--green)}
.p-pin{position:absolute;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--lime);color:var(--ink);font-size:.85rem;font-weight:500;box-shadow:0 0 0 3px var(--code)}
.p-pin--1{left:30%;top:18%}
.p-pin--2{right:8%;top:30%}
.p-pin--3{left:4%;bottom:62px}
.p-bar{position:absolute;left:12px;right:12px;bottom:12px;display:flex;align-items:center;gap:12px;padding:8px 14px;border-radius:12px;background:var(--code);color:var(--code-text)}
.p-bar-time{font-size:.8rem;color:var(--code-text)}
.p-bar-track{flex:1;height:5px;border-radius:5px;background:rgba(255,255,255,.18);overflow:hidden}
.p-bar-fill{display:block;width:35%;height:100%;background:var(--lime)}
.p-notes{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.p-notes li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;line-height:1.5}
.p-notes strong{color:var(--cream);display:block}
.p-note-no{flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--lime);color:var(--ink);font-size:.85rem;font-weight:500}

.p-try-head{margin-bottom:clamp(18px,2.4vw,28px)}
.p-try-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:var(--gap)}
.p-try-grid>*{min-width:0}
.p-task{grid-column:span 2}
.p-task h3{margin-bottom:.6rem}
.p-task code{background:rgba(22,25,29,.1);padding:.05em .35em;border-radius:5px}
.p-task-hint{font-size:.95rem;border-top:1px solid rgba(22,25,29,.22);padding-top:.9rem;margin-top:1rem}
.p-try-grid>.p-code-tile:not(.p-answer){grid-column:span 4}
.p-answer{grid-column:span 4}
.p-answer-note{padding:0 18px 20px;font-size:.95rem;line-height:1.6;color:var(--code-text);max-width:68ch}
.p-answer-note code{color:var(--lime)}
.p-result{grid-column:span 2;display:flex;flex-direction:column}
.p-result-grid{list-style:none;margin:0 0 1rem;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:8px}
.p-result-grid li{min-height:64px;padding:12px;border-radius:10px;background:var(--tile-2);font-weight:600;font-size:.95rem}
.p-result-grid li:first-child{background:var(--lime)}
.p-result-grid li:nth-child(4){background:var(--green);color:var(--cream)}
.p-result-cap{font-size:.95rem;color:var(--muted);margin-top:auto}

.p-honest-grid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(20px,3vw,44px);align-items:start}
.p-honest-copy p{color:var(--muted);max-width:42ch}
.p-tbl td,.p-tbl th[scope="row"]{line-height:1.5}
.p-tbl tbody td:first-child{border-right:1px solid var(--line)}
.p-honest .p-tbl{min-width:520px}

.p-end{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);gap:clamp(20px,3vw,40px);align-items:end;padding:clamp(28px,4vw,56px)}
.p-end h2{color:var(--cream);max-width:20ch}
.p-end-label{color:var(--lime);font-size:.85rem;margin-bottom:.8rem}
.p-end-q{font-size:1.08rem;color:var(--code-text);max-width:52ch}
.p-end-meta{color:var(--code-muted);font-size:.85rem}
.p-end-buy{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.p-end-price{font-size:clamp(2rem,4vw,3rem);font-weight:500;color:var(--cream);margin:0;line-height:1}
.p-end-link{display:inline-flex;align-items:center;min-height:44px}

/* ================= /before-you-start ================= */
.p-start-top{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:var(--gap);padding-left:max(var(--pad),calc((100% - var(--wrap)) / 2 + var(--pad)))}
.p-start-top>*{min-width:0}
.p-start-intro{padding:clamp(24px,3.6vw,52px);display:flex;flex-direction:column;justify-content:center}
.p-start-intro h1{max-width:15ch}
.p-start-jump{font-size:.95rem;margin-top:1rem}
.p-start-jump a{display:inline-flex;align-items:center;min-height:44px}
.p-start-photo{margin:0;border-radius:var(--r) 0 0 var(--r);overflow:hidden;min-height:440px;background:var(--tile-2)}
.p-start-photo img{width:100%;height:100%;object-fit:cover;object-position:40% 40%}

.p-kit-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:var(--gap);margin-top:clamp(16px,2vw,24px)}
.p-kit-grid>*{min-width:0}
.p-kit-computer{grid-column:span 3;grid-row:span 2;padding:clamp(24px,3vw,44px)}
.p-kit-computer h3{font-size:clamp(1.4rem,2.2vw,1.9rem)}
.p-kit-browser{grid-column:span 3}
.p-kit-editor{grid-column:span 2}
.p-kit-editor h3{color:var(--cream)}
.p-kit-net{grid-column:span 1}
.p-kit-net h3{font-size:1.1rem}
.p-kit-net p:not(.p-label){font-size:.95rem}
.p-kit-note{color:var(--muted);font-size:.95rem;border-top:1px solid var(--line);padding-top:1rem}

.p-time{background:var(--green);color:var(--cream);padding:clamp(44px,5.5vw,80px) 0}
.p-time h2{color:var(--cream);margin:0}
.p-time-inner{display:grid;grid-template-columns:minmax(0,.8fr) auto minmax(0,1.3fr);gap:clamp(20px,4vw,56px);align-items:center}
.p-time-inner>*{min-width:0}
.p-time-big{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:500;line-height:1;color:var(--lime);margin:0;white-space:nowrap}
.p-time-big span{display:block;font-family:var(--font-sans);font-size:1rem;font-weight:600;color:var(--cream);margin-top:.5rem}
.p-time-copy{color:var(--cream);max-width:58ch;margin:0}

.p-evening-head{max-width:60ch;margin-bottom:clamp(20px,3vw,36px)}
.p-evening-head p{color:var(--muted)}
.p-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2.4vw,32px)}
.p-steps li{position:relative;min-width:0;border-top:2px solid var(--ink);padding-top:18px}
.p-steps li::after{content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;border-radius:50%;background:var(--green)}
.p-step-no{display:block;font-size:clamp(2.2rem,3.6vw,3rem);font-weight:500;line-height:1;color:var(--green);margin-bottom:.6rem}
.p-steps h3{font-size:1.15rem}
.p-steps p{color:var(--muted);font-size:.98rem}
.p-steps code{background:var(--tile-2);color:var(--ink);padding:.05em .35em;border-radius:5px;font-size:.88em}

.p-words-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(20px,3vw,44px);align-items:start}
.p-keys-h{font-size:clamp(1.3rem,2vw,1.7rem);color:var(--cream)}
.p-keys-sub{color:var(--code-muted);font-size:.95rem}
.p-keys-list{margin:1rem 0 0;display:grid}
.p-keys-list div{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 16px;padding:11px 0;border-top:1px solid rgba(255,255,255,.1)}
.p-keys-list dt{flex:none}
.p-keys-list dd{margin:0;color:var(--code-text);font-size:.95rem;text-align:right}
.p-keys kbd{display:inline-block;min-width:1.9em;padding:.12em .5em;border:1px solid rgba(255,255,255,.28);border-bottom-width:3px;border-radius:6px;background:rgba(255,255,255,.06);color:var(--code-text);font-size:.8rem;line-height:1.5;text-align:center}
.p-gloss h2{font-size:clamp(1.3rem,2vw,1.7rem)}
.p-gloss-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px var(--gap);margin:1rem 0 0}
.p-gloss-grid div{border-top:1px solid var(--line);padding-top:10px}
.p-gloss-grid dt{font-family:var(--font-mono);font-weight:500;color:var(--green);font-size:.95rem;margin-bottom:.2rem}
.p-gloss-grid dd{margin:0;color:var(--muted);font-size:.95rem;line-height:1.5}

.p-where-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,.5fr);gap:clamp(16px,2.4vw,32px);align-items:start}
.p-where-grid>*{min-width:0}
.p-where-tbl{min-width:760px}
.p-where-tbl th[scope="row"]{font-weight:400;max-width:28ch}
.p-where-shelf{display:block;font-family:var(--font-mono);font-size:.8rem;font-weight:500;color:var(--green);margin-bottom:.2rem}
.p-where-tbl td a{font-weight:600}
.p-where-tbl td.mono{font-size:.85rem;white-space:nowrap}
.p-where-more{margin-top:1rem;color:var(--muted)}
.p-where-photo{margin:0;padding:0}
.p-where-photo img{width:100%;aspect-ratio:4/5;object-fit:cover}
.p-where-photo figcaption{padding:14px 18px;font-size:.92rem;color:var(--muted)}

/* ================= /about ================= */
.p-about-top{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(16px,3vw,48px);align-items:end}
.p-about-top>*{min-width:0}
.p-about-h{min-height:clamp(300px,40vw,460px);display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(26px,3.6vw,52px)}
.p-about-h h1{color:var(--cream);max-width:14ch}
.p-about-why{padding:0 0 clamp(0px,1vw,12px)}
.p-about-why p{max-width:60ch}

.p-can-grid{display:grid;grid-template-columns:minmax(0,.62fr) minmax(0,1.38fr);gap:clamp(20px,3.4vw,52px);align-items:start}
.p-can-grid>*{min-width:0}
.p-can-photo{margin:0;border-radius:var(--r);overflow:hidden;position:sticky;top:96px;background:var(--tile-2)}
.p-can-photo img{width:100%;aspect-ratio:2/3;object-fit:cover}
.p-can-copy>p{max-width:64ch}
.p-can-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap);margin:1.4rem 0}
.p-can-cols>*{min-width:0}
.p-can-col ul{margin:0;padding-left:1.1em;display:grid;gap:.45rem}
.p-com{color:var(--code-muted);font-size:.85rem;margin:0 0 .7rem}
.p-can-foot{color:var(--muted)}

.p-made{background:var(--code);color:var(--code-text);padding:clamp(48px,6vw,88px) 0}
.p-made h2{color:var(--cream)}
.p-made-list{list-style:none;margin:clamp(20px,3vw,36px) 0 0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2.4vw,32px)}
.p-made-list li{min-width:0;border-left:1px solid rgba(255,255,255,.16);padding-left:18px}
.p-made-hash{display:inline-block;font-size:.85rem;color:var(--ink);background:var(--lime);border-radius:6px;padding:1px 8px;margin-bottom:.9rem}
.p-made-list h3{color:var(--cream);font-size:1.15rem}
.p-made-list p{font-size:.97rem;color:var(--code-text)}

.p-pr-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));grid-template-areas:"a a a a b b" "c c d d b b";gap:var(--gap);margin-top:clamp(16px,2vw,24px)}
.p-pr-grid>*{min-width:0}
.p-pr-a{grid-area:a;padding:clamp(26px,3.4vw,48px)}
.p-pr-a h3{font-size:clamp(1.5rem,2.6vw,2.2rem)}
.p-pr-a p:last-child{max-width:56ch;font-size:1.05rem}
.p-pr-b{grid-area:b;display:flex;flex-direction:column}
.p-pr-b h3{color:var(--cream)}
.p-pr-c{grid-area:c}
.p-pr-d{grid-area:d}
.p-pr-c p:last-child,.p-pr-d p:last-child{color:var(--muted)}
.p-mini-code{margin:auto 0 0;padding:14px 16px;border-radius:12px;background:rgba(255,255,255,.06);font-size:.85rem;line-height:1.7;overflow-x:auto;white-space:pre;color:var(--code-text)}

.p-count{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.6fr);gap:clamp(20px,3vw,44px);align-items:center;padding:clamp(24px,3.4vw,48px)}
.p-count p:not(.path){color:var(--muted)}
.p-count-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap);margin:0}
.p-count-list div{border-left:2px solid var(--lime);padding-left:14px}
.p-count-list dt{font-size:.9rem;color:var(--muted);line-height:1.35}
.p-count-list dd{margin:.3rem 0 0;font-size:clamp(1.6rem,3vw,2.6rem);font-weight:500;color:var(--green);line-height:1.1}
.p-count-links{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:12px}

/* ================= responsive ================= */
@media (max-width:1100px){
  .p-desk-grid{grid-template-columns:minmax(0,1fr)}
  .p-player{order:-1}
  .p-units{grid-template-columns:repeat(2,minmax(0,1fr))}
  .p-kit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .p-kit-computer,.p-kit-browser{grid-column:span 2;grid-row:auto}
  .p-kit-editor,.p-kit-net{grid-column:span 1}
  .p-where-grid{grid-template-columns:minmax(0,1fr)}
  .p-where-photo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}
  .p-where-photo img{aspect-ratio:3/2}
  .p-made-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .p-count{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:900px){
  .p-tour-intro,.p-tour-facts{grid-column:1 / -1}
  .p-notes{grid-template-columns:minmax(0,1fr)}
  .p-task,.p-result,.p-try-grid>.p-code-tile:not(.p-answer),.p-answer{grid-column:1 / -1}
  .p-honest-grid,.p-end,.p-words-grid,.p-about-top,.p-can-grid{grid-template-columns:minmax(0,1fr)}
  .p-start-top{grid-template-columns:minmax(0,1fr)}
  .p-start-photo{min-height:0}
  .p-start-photo img{aspect-ratio:4/3}
  .p-time-inner{grid-template-columns:minmax(0,1fr)}
  .p-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .p-can-photo{position:static}
  .p-can-photo img{aspect-ratio:16/10;object-position:50% 30%}
  .p-pr-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-areas:"a a" "b b" "c d"}
  .p-count-list{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .p-units{grid-template-columns:minmax(0,1fr)}
  .p-kit-grid{grid-template-columns:minmax(0,1fr)}
  .p-kit-computer,.p-kit-browser,.p-kit-editor,.p-kit-net{grid-column:1 / -1}
  .p-steps{grid-template-columns:minmax(0,1fr)}
  .p-where-photo{display:block}
  .p-can-cols{grid-template-columns:minmax(0,1fr)}
  .p-pr-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"a" "b" "c" "d"}
  .p-play{width:60px;height:60px;margin:-30px 0 0 -30px}
  .p-play::before{left:23px;top:18px;border-width:12px 0 12px 19px}
  .p-pin{width:26px;height:26px;font-size:.8rem}
  .p-pin--3{bottom:54px}
  .p-keys-list dd{text-align:left}
}
@media (prefers-reduced-motion:reduce){
  .p-play{box-shadow:none}
}
.p-count-list dd small{font-size:.45em;color:var(--muted);font-weight:500}
@media (max-width:640px){.p-honest .p-tbl{min-width:0;font-size:.9rem}.p-honest .p-tbl th,.p-honest .p-tbl td{padding:10px 12px}}
@media (max-width:640px){.p-made-list{grid-template-columns:minmax(0,1fr)}}