.production-ladder{margin:66px 0 0;padding-top:10px}.production-ladder-heading h2{margin:0 0 13px;padding:0}.production-ladder-heading>p:last-child{max-width:70ch;color:var(--ink-2)}.production-label{color:var(--accent-deep);font:600 14px/1.3 var(--mono);letter-spacing:.05em;text-transform:uppercase;margin:0 0 7px}.production-step-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:26px;display:grid}.production-step-grid article{border:1px solid var(--line);background:var(--surface);min-width:0;box-shadow:0 18px 38px -36px var(--cobalt-deep);border-radius:16px;padding:25px 22px 22px;position:relative}.production-step-grid article:nth-child(2){border-color:var(--accent-soft);background:var(--accent-tint)}.production-step-grid article:nth-child(3){border-color:var(--cobalt);background:var(--cobalt-tint)}.production-number{background:var(--lv,var(--cobalt));color:#fff;width:44px;height:44px;font:800 22px/1 var(--sans);border-radius:50%;place-items:center;display:grid;position:absolute;top:16px;right:17px}.production-level{color:var(--accent-deep);font:600 14px/1.3 var(--mono);letter-spacing:.05em;text-transform:uppercase;margin:0 40px 8px 0}.production-step-grid h3{font-family:var(--serif);margin:0 0 10px;font-size:24px;font-style:normal;font-weight:500;line-height:1.2}.production-step-grid p,.production-step-grid li{font-size:17px;line-height:1.55}.production-context{color:var(--ink-2);margin:0}.production-step-grid .prompt-card{border-left:3px solid var(--accent);background:var(--paper-2);margin:14px 0 0;padding:14px;font-style:normal}.production-step-grid ul{margin:7px 0 0;padding-left:19px}.production-subhead{color:var(--muted);font:600 14px/1.3 var(--mono);letter-spacing:.07em;text-transform:uppercase;margin-top:15px;display:block}.production-roles{gap:7px;margin-top:13px;display:grid}.production-roles p{border:1px solid var(--line-2);background:var(--surface);border-radius:9px;margin:0;padding:10px}.production-roles b,.production-roles span{display:block}.production-roles b{color:var(--accent-deep);font:600 14px/1.3 var(--mono);text-transform:uppercase}.production-roles span{margin-top:4px}.production-demand{border:1px solid var(--cobalt);background:var(--surface);border-radius:9px;margin:14px 0 0;padding:12px}@media (width<=820px){.production-step-grid{grid-template-columns:1fr}}@media (width<=480px){.production-step-grid article{padding:19px 17px}}@media print{.production-step-grid{grid-template-columns:1fr 1fr}.production-step-grid article{break-inside:avoid}}.lesson-reading-links{border:1px solid var(--line);background:linear-gradient(145deg,var(--surface),var(--cobalt-tint));border-radius:16px;grid-template-columns:minmax(220px,.65fr) minmax(0,1fr);gap:24px;max-width:940px;margin:0 auto 60px;padding:25px 30px;display:grid}.lesson-reading-links p{color:var(--accent-deep);font:600 14px/1.4 var(--mono);letter-spacing:.05em;text-transform:uppercase;margin:0 0 7px}.lesson-reading-links h2{margin:0;padding:0;font-size:27px}.lesson-reading-list{gap:8px;display:grid}.lesson-reading-list a{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;gap:3px;padding:13px 14px;text-decoration:none;display:grid}.lesson-reading-list a:hover{border-color:var(--cobalt)}.lesson-reading-list a:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px}.lesson-reading-list span{color:var(--muted);font:600 14px/1.35 var(--mono);text-transform:uppercase}.lesson-reading-list strong{font-family:var(--serif);font-size:18px;font-weight:550}@media (width<=700px){.lesson-reading-links{grid-template-columns:1fr;margin-inline:18px;padding:20px}}@media print{.lesson-reading-links{display:none}}.visual-pronunciation{border:1px solid var(--line);background:var(--paper-2);border-radius:14px;margin:24px 0 0;padding:22px;font-style:normal}.visual-pronunciation h3{font-family:var(--serif);margin:0 0 8px;font-size:25px;font-style:normal;font-weight:500;line-height:1.2}.pronunciation-label{color:var(--accent-deep);font:600 14px/1.3 var(--mono);letter-spacing:.05em;text-transform:uppercase;margin:0 0 6px}.pronunciation-target{color:var(--ink);font:600 19px/1.5 var(--sans);margin:0;font-style:normal}.pronunciation-pass-grid{grid-template-columns:1fr 1fr;gap:10px;margin-top:17px;display:grid}.pronunciation-pass-grid section{border:1px solid var(--line-2);background:var(--surface);border-radius:10px;padding:14px}.pronunciation-pass-grid b{color:var(--accent-deep);font:600 14px/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase}.pronunciation-pass-grid p{color:var(--ink-2);margin:6px 0 0;font-size:17px;line-height:1.5}.pronunciation-key{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:12px 0 0;display:grid}.pronunciation-key div{border:1px solid var(--line-2);background:var(--surface);text-align:center;border-radius:9px;min-width:0;padding:10px 8px}.pronunciation-key dt{color:var(--ink);font:700 17px/1.2 var(--sans);margin:0;font-style:normal}.pronunciation-key dd{color:var(--muted);font:500 14px/1.3 var(--mono);text-transform:uppercase;margin:5px 0 0}.pronunciation-cue{border-left:3px solid var(--accent);background:var(--accent-tint);color:var(--ink-2);margin:14px 0 0;padding:13px 15px;font-size:17px;font-style:normal;line-height:1.55}@media (width<=640px){.pronunciation-pass-grid{grid-template-columns:1fr}.pronunciation-key{grid-template-columns:repeat(2,minmax(0,1fr))}.pronunciation-key div:first-child{grid-column:1/-1}}@media print{.visual-pronunciation{break-inside:avoid}}.lesson-next-steps{max-width:var(--maxw);margin:-40px auto 0;padding:0 28px 90px}.lesson-next-kicker{font-family:var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:0 0 6px;font-size:14px}.lesson-next-steps h2{font-family:var(--serif);color:var(--ink);margin:0 0 18px;font-size:clamp(26px,3.4vw,34px);font-weight:500;line-height:1.15}.lesson-next-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:14px;display:grid}.lesson-next-card{border:2px solid var(--line);background:var(--surface,#fff);color:var(--ink);border-radius:18px;flex-direction:column;gap:8px;padding:18px 18px 20px;text-decoration:none;transition:transform .14s,border-color .14s,box-shadow .14s;display:flex}.lesson-next-card:hover{border-color:var(--accent);box-shadow:0 6px 0 var(--accent-deep);transform:translateY(-3px)}.lesson-next-card:focus-visible{outline:3px solid var(--accent-deep);outline-offset:3px}.lesson-next-label{font-family:var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-size:13px}.lesson-next-card b{font-family:var(--serif);font-size:21px;font-weight:600;line-height:1.2}.lesson-next-card span:last-child{color:var(--ink-2);font-size:16px;line-height:1.5}.lesson-next-card--book{border-color:var(--ink);background:var(--ink);color:var(--paper)}.lesson-next-card--book .lesson-next-label,.lesson-next-card--book span:last-child{color:color-mix(in srgb,var(--paper) 78%,transparent)}.lesson-next-card--book:hover{border-color:var(--ink);box-shadow:0 6px 0 var(--accent)}.is-teaching-mode .lesson-next-steps{display:none}@media (width<=800px){.lesson-next-steps{margin-top:-30px;padding:0 20px 70px}}@media (prefers-reduced-motion:reduce){.lesson-next-card{transition:none}.lesson-next-card:hover{transform:none}}.tense-timeline{border:2px solid var(--ink);border-radius:var(--radius-card,22px);background:var(--surface);margin:26px 0;padding:20px 22px 18px}.tt-panels{gap:18px;display:grid}.tt-panels--many{grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr))}.tt-panel{min-width:0}.tt-title{color:var(--lv-deep);font:600 14px/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;margin:0 0 4px}.tense-timeline svg{width:100%;max-width:600px;height:auto;display:block;overflow:visible}.tt-axis{stroke:var(--ink-2);stroke-width:3px}.tense-timeline marker path{fill:var(--ink-2)}.tt-arrow{fill:none;stroke:var(--lv-deep);stroke-width:3px;stroke-dasharray:7 6}.tt-end{fill:var(--muted);font:500 20px var(--mono);letter-spacing:.06em;text-transform:uppercase}.tt-now{stroke:var(--accent-deep);stroke-width:3px}.tt-now-label{fill:var(--accent-deep);font:700 22px var(--mono);letter-spacing:.08em;text-transform:uppercase}.tt-point{fill:var(--lv);stroke:var(--lv-deep);stroke-width:3px}.tt-point--open{fill:var(--surface);stroke-dasharray:5 4}.tt-point--small{stroke-width:2px}.tt-span{fill:var(--lv-soft);stroke:var(--lv-deep);stroke-width:2.5px}.tt-open{stroke:var(--lv-deep);stroke-width:5px;stroke-linecap:round;stroke-dasharray:1 9}.tt-bracket{fill:none;stroke:var(--lv-deep);stroke-width:2.5px;stroke-dasharray:8 6}.tt-ref{stroke:var(--ink-2);stroke-width:2px;stroke-dasharray:6 5}.tt-label,.tt-now-label{paint-order:stroke;stroke:var(--surface);stroke-width:9px;stroke-linejoin:round}.tt-label{fill:var(--ink);font:600 24px var(--sans)}.tt-label--soft{fill:var(--lv-deep);font-weight:500}.tt-label--ref{fill:var(--ink-2);font:500 21px var(--mono)}.tt-sentence{font:600 19px/1.4 var(--serif);color:var(--ink);margin:6px 0 0}.tt-sentence:before{content:"“"}.tt-sentence:after{content:"”"}.tense-timeline figcaption{border-top:1px solid var(--line);color:var(--ink-2);margin:14px 0 0;padding-top:12px;font-size:17px;line-height:1.55}@media (width<=560px){.tense-timeline{padding:16px 12px 14px}.tt-sentence{font-size:17px}.tense-timeline figcaption{font-size:16px}.tt-label{font-size:28px}.tt-label--ref{font-size:25px}.tt-end{font-size:23px}.tt-now-label{font-size:25px}}@media print{.tense-timeline{break-inside:avoid}}.lesson-menu-button{border:2px solid var(--ink);background:var(--surface);min-height:42px;color:var(--ink);font:700 16px/1 var(--sans);cursor:pointer;border-radius:10px;flex:none;align-items:center;gap:7px;padding:8px 13px;display:inline-flex}.lesson-menu-button[hidden]{display:none}.lesson-menu-button[aria-expanded=true]{background:var(--ink);color:#fff}.lesson-menu-button:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}.lesson-menu{z-index:30;top:calc(var(--lesson-bar-height,56px) + var(--teaching-toolbar-height,0px) + 8px);width:min(380px,100vw - 24px);max-height:calc(100dvh - var(--lesson-bar-height,56px) - 24px);overscroll-behavior:contain;border:2px solid var(--ink);background:var(--surface);border-radius:16px;padding:14px 16px 16px;position:fixed;right:max(12px,50vw - 440px);overflow:auto;box-shadow:0 20px 40px -22px #00000073}.lesson-menu[hidden]{display:none}.lesson-menu-label{color:var(--muted);font:600 13px/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;margin:8px 0 6px}.lesson-menu-label:first-child{margin-top:0}.lesson-menu ol,.lesson-menu ul{gap:2px;margin:0 0 6px;padding:0;list-style:none;display:grid}.lesson-menu a{min-height:44px;color:var(--ink);font:600 16px/1.3 var(--sans);border-radius:10px;align-items:center;gap:10px;padding:6px 10px;text-decoration:none;display:flex}.lesson-menu a:hover{background:var(--lv-tint)}.lesson-menu a:focus-visible{outline:3px solid var(--focus-ring);outline-offset:-2px}.lesson-menu ol b{background:var(--lv-tint);width:26px;height:26px;color:var(--lv-deep);font:700 13px/1 var(--mono);border-radius:50%;flex:none;place-items:center;display:grid}.lesson-menu ol li small,.lesson-menu ol li em{display:none}.lesson-menu-site{border-top:1px solid var(--line);padding-top:6px!important}.is-teaching-mode .lesson-menu-sections{display:none}.lesson-top{z-index:25;right:16px;bottom:calc(18px + env(safe-area-inset-bottom));border:2px solid var(--ink);background:var(--surface);width:52px;height:52px;color:var(--ink);font:800 24px/1 var(--sans);box-shadow:0 4px 0 var(--ink);cursor:pointer;border-radius:50%;place-items:center;display:grid;position:fixed}.lesson-top[hidden],.is-teaching-mode .lesson-top{display:none}.lesson-top:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px}@media (width<=460px){.lesson-menu-text{display:none}.lesson-menu-button{justify-content:center;min-width:42px;min-height:38px;padding:6px 10px;font-size:18px}}@media print{.lesson-menu,.lesson-menu-button,.lesson-top{display:none!important}}
