.nc4-portrait{isolation:isolate;color:#fff;background:#1a1410;min-height:min(820px,92svh);display:flex;position:relative}.nc4-portrait-bg{z-index:0;position:absolute;inset:0}.nc4-portrait-bg img{object-fit:cover;object-position:50% 50%;width:100%;height:100%;display:block}.nc4-portrait:after{content:"";z-index:1;pointer-events:none;background:linear-gradient(#0000 68%,#140f0b8c);position:absolute;inset:0}.nc4-portrait-in{z-index:2;flex-direction:column;justify-content:center;width:100%;max-width:1320px;margin:0 auto;padding-block:88px 112px;padding-inline:clamp(16px,5vw,72px);display:flex;position:relative}.nc4-portrait-txt{max-width:32ch}.nc4-portrait-eyebrow{letter-spacing:.2em;text-transform:uppercase;color:#e3bd6b;margin:0 0 24px;font-size:11px}.nc4-portrait-h1{font-family:var(--font-display), Georgia, serif;text-wrap:balance;text-shadow:0 2px 24px #140f0b8c;margin:0 0 20px;font-size:clamp(30px,4.6vw,46px);font-weight:500;line-height:1.1}.nc4-portrait-h1 em{color:#e3bd6b;font-style:normal}.nc4-portrait-sub{color:#e6ddd0;text-shadow:0 1px 14px #140f0b99;max-width:33ch;margin:0 0 34px;font-size:16px;line-height:1.62}.nc4-portrait-cta{flex-wrap:wrap;align-items:center;gap:22px;display:flex}.nc4-portrait-btn{white-space:nowrap;text-decoration:none;box-shadow:0 6px 22px #00000059}.nc4-portrait-link{color:#e6ddd0;white-space:nowrap;border-bottom:1px solid #e6ddd073;padding-bottom:2px;font-size:14.5px;text-decoration:none}.nc4-portrait-link:hover{color:#fff}.nc4-portrait-trust{color:#cbbfae;margin:22px 0 0;font-size:12.5px}.nc4-portrait-scroll{color:#cbbfae;letter-spacing:.05em;align-items:center;gap:10px;font-size:12.5px;text-decoration:none;display:flex;position:absolute;bottom:44px;left:clamp(16px,5vw,72px)}.nc4-portrait-scroll i{background:linear-gradient(#e3bd6b,#0000);width:1px;height:28px;display:block}.nc4-portrait-scroll:hover{color:#fff}@media (max-height:840px) and (min-width:701px){.nc4-portrait{min-height:92svh}.nc4-portrait-in{padding-block:48px 68px}.nc4-portrait-eyebrow{margin-bottom:16px}.nc4-portrait-h1{margin-bottom:14px;font-size:clamp(28px,3.8vw,42px)}.nc4-portrait-sub{margin-bottom:22px;font-size:15px}.nc4-portrait-trust{margin-top:16px;font-size:12px}.nc4-portrait-scroll{font-size:12px;bottom:20px}}@media (max-width:700px){.nc4-portrait{align-items:flex-end;min-height:94svh}.nc4-portrait-bg img{object-position:44% 18%}.nc4-portrait:after{background:linear-gradient(#0000 22%,#140f0bb8 44%,#140f0bf5 60%)}.nc4-portrait-in{justify-content:flex-end;padding-block:0 40px}.nc4-portrait-txt{max-width:none}.nc4-portrait-h1{font-size:clamp(27px,7.6vw,34px)}.nc4-portrait-sub{max-width:none;margin-bottom:26px}.nc4-portrait-cta{gap:16px}.nc4-portrait-scroll{display:none}}.nc4-film{background:var(--ed-hero-bg);color:var(--ed-hero-ink);padding-block:64px 72px}.nc4-film-head{max-width:1180px;margin:0 auto 26px;padding-inline:16px}.nc4-film-head h2{color:var(--ed-hero-ink);margin:0 0 8px}.nc4-film-head .gold-flag:after{background:var(--ed-hero-gold)}.nc4-film-lead{color:var(--ed-hero-text-2);max-width:64ch;margin:0;font-size:15px;line-height:1.65}.nc4-film-grid{max-width:1180px;margin:0 auto;padding-inline:16px}.nc4-film .nc4-stage{max-width:860px;margin:0 auto}.nc4-laptop-play{z-index:3;cursor:pointer;background:var(--ed-hero-gold,#d8b25a);color:#14203a;border:0;border-radius:50%;place-items:center;width:58px;height:58px;padding:0;font-size:21px;line-height:1;transition:transform .16s,box-shadow .16s;display:grid;position:absolute;transform:translate(-50%,-50%);box-shadow:0 8px 26px #00000073}.nc4-laptop-play:before{content:"";border:2px solid var(--ed-hero-gold,#d8b25a);opacity:0;border-radius:50%;animation:2.4s ease-out infinite nc4pulse;position:absolute;inset:0}.nc4-laptop-play:hover{transform:translate(-50%,-50%)scale(1.08)}.nc4-laptop-play:focus-visible{outline-offset:4px;outline:3px solid #fff}@media (prefers-reduced-motion:reduce){.nc4-laptop-play:before{animation:none}}@media (max-width:700px){.nc4-laptop-play{display:none}}.nc4-strip{background:var(--ed-hero-bg);color:var(--ed-hero-ink);padding-block:48px 56px}.nc4-strip-in{grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);align-items:center;gap:40px;max-width:1180px;margin:0 auto;padding-inline:16px;display:grid}.nc4-strip-k{letter-spacing:.18em;text-transform:uppercase;color:var(--ed-hero-gold);margin:0 0 12px;font-size:11px}.nc4-strip-head h2{color:var(--ed-hero-ink);margin:0 0 10px}.nc4-strip-head .gold-flag:after{background:var(--ed-hero-gold)}.nc4-strip-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.nc4-strip-card{width:100%;font:inherit;color:inherit;cursor:pointer;text-align:left;background:0 0;border:0;padding:0;display:block}.nc4-strip-thumb{aspect-ratio:16/9;background:#000;border:1px solid #ffffff24;display:block;position:relative;overflow:hidden}.nc4-strip-thumb img{object-fit:cover;opacity:.82;width:100%;height:100%;transition:transform .3s,opacity .3s;display:block}.nc4-strip-card:hover .nc4-strip-thumb img{opacity:1;transform:scale(1.04)}.nc4-strip-play{background:var(--ed-hero-gold);color:#14203a;border-radius:50%;place-items:center;width:40px;height:40px;font-size:15px;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 5px 16px #0006}.nc4-strip-meta{flex-direction:column;gap:2px;margin-top:9px;display:flex}.nc4-strip-meta b{color:var(--ed-hero-ink);font-size:14px;font-weight:500}.nc4-strip-meta i{color:var(--ed-hero-text-2);font-size:11.5px;font-style:normal}.nc4-strip-card:focus-visible .nc4-strip-thumb{outline:2px solid var(--ed-hero-gold);outline-offset:3px}.nc4-modal{border-radius:var(--radius,1px);background:var(--ed-hero-bg);width:min(980px,100vw - 32px);max-width:none;max-height:calc(100svh - 32px);color:var(--ed-hero-ink);border:1px solid #ffffff24;margin:auto;padding:0;position:fixed;inset:0;overflow:auto;box-shadow:0 24px 64px #0009}.nc4-modal::backdrop{background:#060a14e0}.nc4-modal-in{padding:26px clamp(16px,3vw,34px) 28px;position:relative}.nc4-modal-head{margin-bottom:18px;padding-right:44px}.nc4-modal-head h2{color:var(--ed-hero-ink);margin:0 0 8px}.nc4-modal-head .gold-flag:after{background:var(--ed-hero-gold)}.nc4-modal-x{z-index:4;color:#fff;cursor:pointer;background:#0b1120b3;border:1px solid #ffffff38;border-radius:50%;width:36px;height:36px;padding:0;font-size:22px;line-height:1;position:absolute;top:14px;right:14px}.nc4-modal-x:hover{background:#0b1120f2}.nc4-modal .nc4-stage{max-width:860px;margin:0 auto}@media (max-width:880px){.nc4-strip-in{grid-template-columns:1fr;gap:24px}}@media (max-width:620px){.nc4-modal{border:0;width:100vw;max-width:100vw;height:100svh;max-height:100svh;margin:0}.nc4-modal-in{padding:20px 16px 24px}.nc4-strip-list{grid-template-columns:1fr;gap:10px}}.nc4-hero{background:var(--ed-hero-bg);color:var(--ed-hero-ink);padding-block:56px 64px}.nc4-hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:center;gap:56px;max-width:1180px;margin:0 auto;padding-inline:16px;display:grid}.nc4-eyebrow{letter-spacing:.18em;text-transform:uppercase;color:var(--ed-hero-gold);margin:0 0 18px;font-size:11px}.nc4-h1{font-family:var(--font-display), Georgia, serif;text-wrap:balance;margin:0 0 14px;font-size:clamp(30px,4.2vw,50px);font-weight:500;line-height:1.12}.nc4-h1 em{color:var(--ed-hero-gold);font-style:normal}.nc4-tagline{color:var(--ed-hero-gold);letter-spacing:.03em;margin:0 0 18px;font-size:12.5px}.nc4-sub{color:var(--ed-hero-text-2);max-width:52ch;margin:0 0 26px;font-size:16px;line-height:1.65}.nc4-cta{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.nc4-btn{text-decoration:none}.nc4-more{color:var(--ed-hero-text-2);border-bottom:1px solid;font-size:14.5px;text-decoration:none}.nc4-more:hover{color:var(--ed-hero-ink)}.nc4-trust{color:var(--ed-hero-text-2);margin:18px 0 0;font-size:12.5px}.nc4-stage{position:relative}.nc4-bars{gap:6px;margin-bottom:10px;display:flex}.nc4-bar{cursor:pointer;background:#fff3;border:0;border-radius:2px;flex:1;height:3px;padding:0;position:relative}.nc4-bar i{background:var(--ed-hero-gold);border-radius:2px;display:block;position:absolute;inset:0 auto 0 0}.nc4-bar:focus-visible{outline:2px solid var(--ed-hero-gold);outline-offset:3px}.nc4-screen{aspect-ratio:16/9;border-radius:var(--radius,1px);background:#000;border:1px solid #ffffff1f;position:relative;overflow:hidden}.nc4-video{object-fit:cover;opacity:0;width:100%;height:100%;transition:opacity .3s;position:absolute;inset:0}.nc4-video.is-on{opacity:1}.nc4-snd{z-index:3;color:#fff;cursor:pointer;border-radius:var(--radius,1px);background:#0b1120d1;border:1px solid #ffffff47;padding:6px 11px;font-size:12px;position:absolute;top:10px;right:10px}.nc4-cap{z-index:2;pointer-events:none;background:linear-gradient(#0000,#000000b8);padding:14px 22px 18px;position:absolute;bottom:0;left:0;right:0}.nc4-cap p{font-family:var(--font-display), Georgia, serif;color:#fff;text-shadow:0 1px 6px #0009;text-wrap:balance;min-height:1.3em;margin:0;font-size:clamp(16px,2vw,23px);line-height:1.3}.nc4-chips{flex-wrap:wrap;gap:7px;min-height:30px;margin-top:12px;display:flex}.nc4-chips.is-hidden{visibility:hidden}.nc4-chip{border-radius:var(--radius,1px);color:#ffffff59;border:1px solid #ffffff38;padding:5px 11px;font-size:11.5px;transition:all .35s}.nc4-chip.is-lit{color:#14203a;background:var(--ed-hero-gold);border-color:var(--ed-hero-gold)}.nc4-chapter{color:var(--ed-hero-text-2);margin:10px 0 0;font-size:12.5px}.nc4-chapter b{color:var(--ed-hero-gold);font-weight:500}.nc4-noscript p{color:var(--ed-hero-text-2);max-width:70ch;margin:8px auto;font-size:14px}.nc4-desk{background:var(--ed-bg);padding-block:64px 72px}.nc4-desk-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:22px;display:flex}.nc4-desk-head h2{margin:0 0 6px}.nc4-desk-lead{color:var(--ed-text-2);max-width:62ch;margin:0;font-size:15px;line-height:1.65}.nc4-legend{color:var(--ed-text-3);align-items:center;gap:10px;margin:0;font-size:12px;display:flex}.nc4-legend i{background:var(--ed-gold);border-radius:50%;width:10px;height:10px;box-shadow:0 0 0 4px #c0921f40}.nc4-deskwrap{border:1px solid var(--ed-border);background:var(--ed-surface);position:relative}.nc4-deskimg{width:100%;height:auto;display:block}.nc4-desk-cube{pointer-events:none;z-index:1;position:absolute;transform:translate(-50%,-50%)}.nc4-hs{cursor:pointer;z-index:2;border:2px solid var(--ed-gold);background:#ffffffeb;border-radius:50%;width:26px;height:26px;margin:-13px 0 0 -13px;padding:0;position:absolute;box-shadow:0 2px 8px #00000040}.nc4-hs:before{content:"";border:2px solid var(--ed-gold);opacity:0;border-radius:50%;animation:2.2s ease-out infinite nc4pulse;position:absolute;inset:-2px}.nc4-hs:after{content:"";background:var(--ed-gold);border-radius:50%;width:8px;height:8px;margin:-4px 0 0 -4px;position:absolute;top:50%;left:50%}.nc4-hs.is-on{background:var(--ed-gold)}.nc4-hs.is-on:after{background:#14203a}.nc4-hs:focus-visible{outline:2px solid var(--ed-accent);outline-offset:3px}@keyframes nc4pulse{0%{opacity:.85;transform:scale(1)}to{opacity:0;transform:scale(2.4)}}@media (prefers-reduced-motion:reduce){.nc4-hs:before{animation:none}}.nc4-hs-tag{white-space:nowrap;letter-spacing:.06em;text-transform:uppercase;color:#14203a;border:1px solid var(--ed-border);pointer-events:none;opacity:0;background:#ffffffeb;padding:3px 8px;font-size:11px;transition:opacity .2s;position:absolute;top:50%;left:32px;transform:translateY(-50%)}.nc4-hs:hover .nc4-hs-tag,.nc4-hs:focus-visible .nc4-hs-tag,.nc4-hs.is-on .nc4-hs-tag{opacity:1}.nc4-box{z-index:5;background:var(--ed-surface);border:1px solid var(--ed-border);width:340px;max-width:calc(100vw - 48px);position:absolute;box-shadow:0 14px 40px #0b112038}.nc4-box-thumb{aspect-ratio:16/9;background:#000;position:relative;overflow:hidden}.nc4-box-thumb img{object-fit:cover;width:100%;height:100%;display:block}.nc4-play{cursor:pointer;background:#0b11202e;border:0;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.nc4-play span{background:var(--ed-gold);color:#14203a;border-radius:50%;place-items:center;width:54px;height:54px;font-size:20px;transition:transform .15s;display:grid;box-shadow:0 6px 18px #00000059}.nc4-play:hover span{transform:scale(1.08)}.nc4-play:focus-visible{outline:2px solid var(--ed-gold);outline-offset:-4px}.nc4-tc{color:#fff;font-variant-numeric:tabular-nums;background:#0b1120d9;padding:3px 7px;font-size:11px;position:absolute;bottom:8px;right:8px}.nc4-box-body{padding:14px 16px 16px}.nc4-box-k{letter-spacing:.14em;text-transform:uppercase;color:var(--ed-accent);margin:0 0 5px;font-size:10.5px}.nc4-box-h{font-family:var(--font-display), Georgia, serif;margin:0 0 7px;font-size:19px;font-weight:500;line-height:1.22}.nc4-box-p{color:var(--ed-text-2);margin:0;font-size:13.5px;line-height:1.5}.nc4-box-more{color:var(--ed-accent);text-underline-offset:3px;margin-top:10px;font-size:12.5px;display:inline-block}.nc4-desk-list{border:1px solid var(--ed-border);background:var(--ed-surface);margin:14px 0 0;padding:0;list-style:none;display:none}.nc4-desk-list li+li{border-top:1px solid var(--ed-border)}.nc4-desk-list button{text-align:left;width:100%;font:inherit;color:var(--ed-text);cursor:pointer;background:0 0;border:0;padding:11px 14px;font-size:14px;display:block}.nc4-lb{z-index:60;background:#0b1120e0;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.nc4-lb[hidden]{display:none}.nc4-lb-in{background:#000;width:min(960px,100%);position:relative}.nc4-lb-v{aspect-ratio:16/9;width:100%;display:block}.nc4-lb-x{color:#fff;cursor:pointer;background:0 0;border:0;font-size:26px;line-height:1;position:absolute;top:-38px;right:0}.nc4-lb-cap{color:#fff;margin:0;font-size:13px;position:absolute;bottom:-30px;left:0}@media (max-width:880px){.nc4-hero-grid{grid-template-columns:1fr;gap:34px}.nc4-desk-list{display:block}.nc4-hs-tag{display:none}.nc4-box{width:100%;box-shadow:none;margin-top:14px;position:static}}.nc4-mobile-film{font:inherit;cursor:pointer;background:0 0;border:0;padding:0;display:none}@media (max-width:700px){.nc4-mobile-film{display:inline-block}}
.nc-lesson{background:var(--ed-bg);color:var(--ed-text);border-top:1px solid var(--ed-border);padding:80px 20px 56px;scroll-margin-top:72px}.nc-lesson-inner{max-width:1180px;margin:0 auto}.nc-lesson-kicker{color:var(--ed-gold-dark,#8a6612);letter-spacing:.14em;text-transform:uppercase;margin:0 0 12px;font-size:11px;font-weight:700}.nc-lesson-head{max-width:860px;margin-bottom:28px}.nc-lesson-head h2{font-family:var(--font-display), Georgia, serif;text-wrap:balance;color:var(--ed-text);margin:0 0 16px;font-size:clamp(30px,3.4vw,44px);font-weight:500;line-height:1.15}.nc-lesson-head h2 em{color:var(--ed-gold-dark,#8a6612);font-style:normal}.nc-lesson-head p{color:var(--ed-text-2);max-width:72ch;margin:0;font-size:16px;line-height:1.65}.nc-lesson-steps{border-block:1px solid var(--ed-border);grid-template-columns:repeat(3,1fr);gap:20px;margin:28px 0 34px;padding:22px 0;list-style:none;display:grid}.nc-lesson-steps li{align-items:center;gap:14px;display:flex}.nc-lesson-steps li>span{font-family:var(--font-display), Georgia, serif;color:var(--ed-gold);font-size:32px;line-height:1}.nc-lesson-steps strong{color:var(--ed-text);font-size:14.5px;display:block}.nc-lesson-steps small{color:var(--ed-text-3);margin-top:3px;font-size:12.5px;display:block}.nc-lesson-workspace{grid-template-columns:minmax(0,.9fr) minmax(0,1.15fr);align-items:start;gap:32px;display:grid}.nc-lesson-source{background:var(--ed-surface);border:1px solid var(--ed-border);box-shadow:var(--shadow-sm);margin:0;padding:18px}.nc-lesson-source-top{color:var(--ed-text-2);justify-content:space-between;align-items:center;gap:10px;margin:0 0 12px;font-size:12px;display:flex}.nc-lesson-source-top span:first-child{color:var(--ed-accent);font-weight:600}.nc-lesson-source img{border:1px solid var(--ed-border);width:100%;height:auto;display:block}.nc-lesson-source figcaption{font-family:var(--font-display), Georgia, serif;color:var(--ed-text);padding:16px 0 10px;font-size:20px;line-height:1.35}.nc-lesson-bank-box{border-top:1px solid var(--ed-border);margin-top:14px;padding-top:14px}.nc-lesson-bank-title{letter-spacing:.1em;text-transform:uppercase;color:var(--ed-accent);margin:0 0 10px;font-size:11px;font-weight:700}.nc-lesson-chips{flex-wrap:wrap;gap:8px;display:flex}.nc-lesson-chip{background:var(--ed-bg);border:1px solid var(--ed-border);color:var(--ed-text);border-radius:var(--radius);align-items:center;gap:7px;padding:5px 10px;font-size:13px;display:inline-flex}.nc-lesson-chip b{background:var(--ed-accent-bg);color:var(--ed-accent);border-radius:2px;padding:1px 5px;font-size:10.5px;font-weight:600}.nc-lesson-audio-btn{cursor:pointer;color:var(--ed-accent);background:0 0;border:none;border-radius:2px;align-items:center;padding:2px;display:inline-flex}.nc-lesson-audio-btn:hover{color:var(--ed-gold-dark)}.nc-lesson-source-note{color:var(--ed-text-3);margin:14px 0 0;font-size:12px;line-height:1.5}.nc-lesson-output{min-width:0}.nc-lesson-output-head h3{font-family:var(--font-display), Georgia, serif;color:var(--ed-text);margin:0 0 6px;font-size:26px;font-weight:500;line-height:1.2}.nc-lesson-output-head>p:last-child{color:var(--ed-text-2);margin:0 0 16px;font-size:14px}.nc-lesson-switch{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.nc-lesson button{font:inherit;cursor:pointer}.nc-lesson-switch button{background:var(--ed-surface);border:1px solid var(--ed-border);color:var(--ed-text);border-radius:var(--radius);padding:8px 14px;font-size:13px;transition:all .15s}.nc-lesson-switch button:hover{border-color:var(--ed-accent);color:var(--ed-accent)}.nc-lesson-switch button[aria-pressed=true]{background:var(--ed-accent);color:#fff;border-color:var(--ed-accent)}.nc-lesson button:focus-visible,.nc-lesson a:focus-visible,.nc-lesson summary:focus-visible{outline:2px solid var(--ed-gold);outline-offset:3px}.nc-lesson-preview{background:var(--ed-surface);border:1px solid var(--ed-border);box-shadow:var(--shadow-sm);min-height:380px;padding:26px 28px}.nc-lesson-format{letter-spacing:.08em;color:var(--ed-gold-dark,#8a6612);text-transform:uppercase;margin:0 0 12px;font-size:11px;font-weight:700}.nc-lesson-preview h4{font-family:var(--font-display), Georgia, serif;color:var(--ed-text);margin:0 0 14px;font-size:22px;font-weight:500;line-height:1.25}.nc-lesson-question{background:var(--ed-bg);border-left:3px solid var(--ed-accent);color:var(--ed-text);margin:0 0 18px;padding:12px 16px;font-size:17px;line-height:1.55}.nc-lesson-question strong{color:var(--ed-accent);text-underline-offset:4px;text-decoration:underline}.nc-lesson-answers{gap:10px;margin-bottom:16px;display:grid}.nc-lesson-answers button{text-align:left;background:var(--ed-surface);min-height:46px;color:var(--ed-text);border:1px solid var(--ed-border);border-radius:var(--radius);padding:12px 18px;font-size:14.5px;transition:all .15s}.nc-lesson-answers button:hover:not([disabled]){border-color:var(--ed-accent);background:var(--ed-accent-bg)}.nc-lesson-answers button[aria-pressed=true]{border-color:var(--ed-success);background:var(--ed-success-bg);color:var(--ed-cefr-a-text,#2d6e45);font-weight:500}.nc-lesson-feedback{border-radius:var(--radius);background:var(--ed-bg);border:1px solid var(--ed-border);color:var(--ed-text-2);margin-top:14px;padding:10px 14px;font-size:14px;line-height:1.55}.nc-lesson-feedback.is-ok{background:var(--ed-success-bg);color:var(--ed-cefr-a-text);border-color:var(--ed-success)}.nc-lesson-text-btn{color:var(--ed-accent);text-underline-offset:4px;cursor:pointer;background:0 0;border:0;padding:8px 0;font-size:14px;font-weight:500;text-decoration:underline}.nc-lesson-text-btn:hover{color:var(--ed-accent-dark)}.nc-lesson-flashcard{background:var(--ed-bg);border:1.5px solid var(--ed-border-strong);width:100%;min-height:200px;color:var(--ed-text);border-radius:var(--radius);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:24px;transition:transform .15s,border-color .15s;display:flex}.nc-lesson-flashcard:hover{border-color:var(--ed-accent)}.nc-lesson-flashcard-word{font-family:var(--font-display), Georgia, serif;color:var(--ed-accent);align-items:center;gap:10px;font-size:28px;line-height:1.2;display:flex}.nc-lesson-flashcard-sub{color:var(--ed-text-2);text-align:center;max-width:48ch;font-size:13.5px;font-style:italic}.nc-lesson-flashcard-hint{color:var(--ed-text-3);text-transform:uppercase;letter-spacing:.08em;font-size:11.5px}.nc-lesson-papers{grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;display:grid}.nc-lesson-papers>div{background:var(--ed-surface);border:1px solid var(--ed-border);padding:16px;font-size:12.5px;box-shadow:0 2px 8px #0000000a}.nc-lesson-papers strong{color:var(--ed-text);margin-bottom:2px;font-size:13px;display:block}.nc-lesson-papers span.badge{color:var(--ed-accent);background:var(--ed-accent-bg);margin-bottom:8px;padding:1px 6px;font-size:10.5px;font-weight:600;display:inline-block}.nc-lesson-papers ol{margin:0;padding-left:18px}.nc-lesson-papers li{margin:10px 0}.nc-lesson-papers li span{color:var(--ed-text-3);letter-spacing:2px;display:block}.nc-lesson-families{background:var(--ed-surface);border:1px solid var(--ed-border);margin-top:48px;padding:32px}.nc-lesson-families-head{max-width:720px;margin-bottom:24px}.nc-lesson-families-head h3{font-family:var(--font-display), Georgia, serif;color:var(--ed-text);margin:0 0 8px;font-size:26px;line-height:1.25}.nc-lesson-families-head p{color:var(--ed-text-2);margin:0;font-size:14.5px}.nc-lesson-fam-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;display:grid}.nc-lesson-fam-col{flex-direction:column;gap:8px;display:flex}.nc-lesson-fam-name{letter-spacing:.08em;text-transform:uppercase;color:var(--ed-accent);border-bottom:1px solid var(--ed-border);margin:0 0 4px;padding-bottom:6px;font-size:12px;font-weight:700}.nc-lesson-fam-tagline{color:var(--ed-text-3);margin:-2px 0 6px;font-size:12px}.nc-lesson-form-item{background:var(--ed-bg);border:1px solid var(--ed-border);border-radius:var(--radius);color:var(--ed-text);align-items:center;gap:9px;padding:7px 10px;font-size:13px;display:flex}.nc-lesson-form-item svg{color:var(--ed-accent);flex-shrink:0}.nc-lesson-bottom{background:var(--ed-surface);border:1.5px solid var(--ed-gold-border);justify-content:space-between;align-items:center;gap:24px;margin-top:40px;padding:24px 28px;display:flex}.nc-lesson-bottom h3{font-family:var(--font-display), Georgia, serif;color:var(--ed-text);margin:0 0 6px;font-size:24px;font-weight:500}.nc-lesson-bottom p{color:var(--ed-text-2);margin:0;font-size:14px}.nc-lesson-bottom-cta{flex-shrink:0;align-items:center;gap:12px;display:flex}.nc-lesson-disclosure{color:var(--ed-text-3);text-align:center;margin:20px 0 0;font-size:12px;line-height:1.55}@media (max-width:900px){.nc-lesson-workspace{grid-template-columns:1fr}.nc-lesson-steps{grid-template-columns:1fr;gap:14px}.nc-lesson-bottom{flex-direction:column;align-items:flex-start}.nc-lesson-bottom-cta{flex-direction:column;align-items:stretch;width:100%}}@media (max-width:500px){.nc-lesson{padding:48px 16px 36px}.nc-lesson-preview{min-height:auto;padding:18px 16px}.nc-lesson-papers{grid-template-columns:1fr}}
.nc-flight-page{color:#262a36;background:#f5ece5}.nc-flight-header{background:#f8f5ee;border-bottom:1px solid #d8ccbb;justify-content:space-between;align-items:center;gap:16px;height:64px;padding:0 4%;display:flex}.nc-flight-header a{color:inherit;font-weight:600;text-decoration:none}.nc-flight-header span{font-size:12px}.nc-flight-track{height:650svh;position:relative}.nc-flight-stage{background:#f5ece5;height:calc(100svh - 64px);position:sticky;top:64px;overflow:hidden}.nc-flight-page.is-lab .nc-flight-stage{top:0}.nc-flight-picture{justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.nc-flight-media{aspect-ratio:16/9;width:min(100%,177.778svh - 113.778px);position:relative}.nc-flight-picture img,.nc-flight-picture canvas{width:100%;height:100%;position:absolute;inset:0}.nc-flight-picture canvas{opacity:0;transition:opacity .18s}.nc-flight-picture canvas.is-ready{opacity:1}.nc-flight-hotspots{z-index:2;pointer-events:none;position:absolute;inset:0}.nc-flight-hotspots button{--hotspot-x:50%;--hotspot-y:50%;left:var(--hotspot-x);top:var(--hotspot-y);color:#fff;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);cursor:pointer;pointer-events:auto;background:#262a36df;border:1px solid #fff9;border-radius:999px;align-items:center;gap:8px;min-height:44px;padding:5px 12px 5px 5px;animation:.35s both nc-hotspot-in;display:flex;position:absolute;translate:-50% -50%;box-shadow:0 5px 18px #19150c42}.nc-flight-hotspots button:hover{background:#82631af2;transform:translateY(-2px)}.nc-flight-hotspots button span{color:#302712;background:#f3d98d;border-radius:50%;place-items:center;width:32px;height:32px;font-weight:800;display:grid}.nc-flight-hotspots button i{font:normal 12px var(--font-ui);white-space:nowrap}@keyframes nc-hotspot-in{0%{opacity:0;scale:.9}to{opacity:1;scale:1}}.nc-flight-copy{background:#fffdf7f5;border:1px solid #ddd2c1;border-radius:12px;width:min(410px,36%);padding:24px;position:absolute;bottom:8%;left:4%;box-shadow:0 6px 30px #32230c12}.nc-flight-copy h1,.nc-flight-copy h2{font-family:var(--font-display);margin:12px 0;font-size:clamp(25px,2.5vw,38px);font-weight:500;line-height:1.13}.nc-flight-copy h1 em,.nc-flight-copy h2 em{color:#82631a;font-style:normal}.nc-flight-copy p{margin:8px 0 16px;font-size:15px;line-height:1.55}.nc-flight-copy .nc-flight-kicker{letter-spacing:.08em;text-transform:uppercase;font-size:11px}.nc-flight-copy .nc-flight-proof{color:#665f52;font-size:12px}.nc-flight-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.nc-flight-actions button,.nc-flight-primary{color:#fff;font:inherit;cursor:pointer;background:#82631a;border:0;border-radius:5px;align-items:center;min-height:44px;padding:10px 14px;font-size:13px;text-decoration:none;display:inline-flex}.nc-flight-actions button.is-secondary{color:#514425;background:#f4eee2;border:1px solid #cbbda3}.nc-flight-page :focus-visible{outline-offset:4px;outline:3px solid #82631a}.nc-flight-nav{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffdf7e8;border:1px solid #d8ccbb;border-radius:999px;gap:8px;padding:7px;display:flex;position:absolute;bottom:20px;left:50%;translate:-50%}.nc-flight-nav button{color:#494236;cursor:pointer;background:0 0;border:0;border-radius:999px;align-items:center;gap:6px;min-height:40px;padding:0 11px;display:flex}.nc-flight-nav button[aria-current=step]{color:#fff;background:#82631a}.nc-flight-nav span{font-weight:700}.nc-flight-nav i{font-size:12px;font-style:normal}.nc-flight-progress{background:#ded2bd;height:4px;position:absolute;bottom:0;left:0;right:0}.nc-flight-progress>div{transform-origin:0;background:#82631a;height:100%;transform:scaleX(0)}.nc-flight-example{max-width:640px;margin:auto;padding:72px 24px;scroll-margin-top:80px}.nc-flight-example h2{font-size:28px;font-family:var(--font-display);margin-bottom:24px}.nc-flight-example>button{color:#5c4816;cursor:pointer;background:0 0;border:1px solid #9e895b;border-radius:5px;min-height:44px;margin-top:18px;padding:10px 14px}@media (max-width:700px){.nc-flight-stage{height:calc(100svh - 56px);top:56px}.nc-flight-page.is-lab .nc-flight-stage{top:0}.nc-flight-header{height:56px;font-size:13px}.nc-flight-header span{display:none}.nc-flight-picture{height:43svh}.nc-flight-media{width:100%}.nc-flight-hotspots button{width:44px;min-width:44px;padding:5px}.nc-flight-hotspots button i{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.nc-flight-copy{width:90%;padding:17px;top:43svh;bottom:auto;left:5%}.nc-flight-copy h1,.nc-flight-copy h2{font-size:25px}.nc-flight-copy p{margin-bottom:10px;font-size:14px}.nc-flight-copy .nc-flight-proof{margin-bottom:10px}.nc-flight-track{height:590svh}.nc-flight-nav{gap:3px;padding:4px;bottom:7px}.nc-flight-nav button{justify-content:center;min-width:42px;min-height:42px;padding:0}.nc-flight-nav i{display:none}}@media (max-height:520px) and (max-width:950px){.nc-flight-picture{height:100%;inset:0 0 0 40%}.nc-flight-copy{width:36%;padding:10px;top:3%;bottom:auto;left:2%}.nc-flight-copy h1,.nc-flight-copy h2{margin:5px 0;font-size:19px}.nc-flight-copy p{margin:4px 0;font-size:11px}.nc-flight-nav{left:68%}}@media (prefers-reduced-motion:reduce){.nc-flight-picture canvas{transition:none}.nc-flight-hotspots button{animation:none}}