.exercise-hub-page,.track-landing,.track-library{--track-accent:#1678ee;--track-accent-dark:#0b2c68;--track-soft:#eaf4ff;color:var(--exercise-navy);overflow:hidden}.track-eyebrow{color:var(--track-accent);letter-spacing:.06em;text-transform:uppercase;align-items:center;gap:.45rem;margin:0 0 .85rem;font-size:.73rem;font-weight:800;line-height:1.3;display:inline-flex}.exercise-hub-hero{background:linear-gradient(120deg,#f9fcff 0%,#eef7ff 56%,#e8f1ff 100%);border-bottom:1px solid #d8e8f7}.exercise-hub-hero__grid{grid-template-columns:minmax(0,.95fr) minmax(440px,1.05fr);align-items:center;gap:clamp(2rem,6vw,6.5rem);min-height:500px;display:grid}.exercise-hub-hero__copy{padding:4rem 0 3.5rem}.exercise-hub-hero__copy h1{color:#0a1f48;letter-spacing:-.075em;max-width:700px;margin:0 0 1.25rem;font-size:clamp(2.6rem,5vw,5.15rem);font-weight:750;line-height:1.02}.exercise-hub-hero__copy h1 span,.exercise-hub-heading h2,.track-landing__copy h1 span,.track-library__heading h1 span{color:var(--track-accent)}.exercise-hub-hero__lead{color:#4b607e;max-width:650px;margin:0;font-size:1.08rem;line-height:1.8}.exercise-hub-hero__stats{gap:1.7rem;margin-top:2.3rem;display:flex}.exercise-hub-hero__stats span{gap:.2rem;min-width:100px;display:grid}.exercise-hub-hero__stats strong{color:#102d63;letter-spacing:-.05em;font-size:1.8rem}.exercise-hub-hero__stats small{color:#6c7e98;font-size:.77rem;font-weight:650}.exercise-hub-hero__visual{border-radius:30px 0 0 30px;min-height:430px;position:relative;overflow:hidden;box-shadow:0 25px 70px #1a53942e}.exercise-hub-hero__visual img{object-fit:cover;object-position:center}.exercise-hub-content{padding:4.7rem 0 6rem}.exercise-hub-heading{justify-content:space-between;align-items:end;gap:2rem;margin-bottom:2rem;display:flex}.exercise-hub-heading h2{color:#0c2553;letter-spacing:-.065em;margin:0 0 .45rem;font-size:clamp(1.9rem,3vw,3.15rem);line-height:1.08}.exercise-hub-heading>div>p:last-child{color:#6a7b94;margin:0;font-size:.98rem;line-height:1.6}.exercise-track-card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem;display:grid}.exercise-track-card{border:1px solid color-mix(in srgb, var(--track-accent) 18%, #dce7f5);background:#fff;border-radius:24px;overflow:hidden;box-shadow:0 18px 48px #13437f1a}.exercise-track-card__image{background:var(--track-soft);height:220px;position:relative;overflow:hidden}.exercise-track-card__image:after{content:"";pointer-events:none;background:linear-gradient(#0000 45%,#061a3f8a);position:absolute;inset:0}.exercise-track-card__image>img{object-fit:cover}.exercise-track-card--ai .exercise-track-card__image>img{object-fit:contain;padding:1.2rem}.exercise-track-card__logo{z-index:1;background:#fffffff0;border:1px solid #ffffffb8;border-radius:18px;place-items:center;width:70px;height:70px;display:grid;position:absolute;bottom:1rem;right:1.1rem;box-shadow:0 10px 25px #0a235033}.exercise-track-card__logo img{object-fit:contain;width:54px;height:54px}.exercise-track-card__body{flex-direction:column;min-height:315px;padding:1.5rem 1.55rem 1.45rem;display:flex}.exercise-track-card__body .track-eyebrow{margin-bottom:.65rem;font-size:.67rem}.exercise-track-card__body h3{color:#0c2553;letter-spacing:-.055em;margin:0 0 .7rem;font-size:clamp(1.3rem,2vw,1.75rem);line-height:1.08}.exercise-track-card__body h3 span{color:var(--track-accent)}.exercise-track-card__body>p:not(.track-eyebrow){color:#61738e;margin:0;font-size:.92rem;line-height:1.65}.exercise-track-card__meta{border-top:1px solid #e4edf8;gap:.7rem;margin:auto 0 1.2rem;padding-top:1rem;display:flex}.exercise-track-card__meta span{color:#6d7f99;gap:.15rem;min-width:0;font-size:.7rem;display:grid}.exercise-track-card__meta strong{color:var(--track-accent);font-size:1.1rem}.exercise-track-card__actions{align-items:center;gap:.9rem;display:flex}.exercise-track-card__actions .exercise-button{flex:1}.exercise-track-card__secondary,.track-section-heading__link{color:var(--track-accent);white-space:nowrap;align-items:center;gap:.2rem;font-size:.78rem;font-weight:750;display:inline-flex}.exercise-hub-method{background:#f7fbff;border:1px solid #d8e6f5;border-radius:20px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:1.2rem;margin-top:4rem;padding:1.45rem 1.65rem;display:grid}.exercise-hub-method__icon{width:54px;height:54px;color:var(--exercise-blue-dark);background:#e6f2ff;border-radius:16px;place-items:center;display:grid}.exercise-hub-method h2{color:#0e2a5c;letter-spacing:-.035em;margin:0 0 .25rem;font-size:1.25rem}.exercise-hub-method p:last-child{color:#647792;max-width:760px;margin:0;font-size:.88rem;line-height:1.55}.track-back-link{color:#587498;align-items:center;gap:.4rem;font-size:.82rem;font-weight:700;display:inline-flex}.track-back-link:hover{color:var(--track-accent)}.track-landing__hero{border-bottom:1px solid color-mix(in srgb, var(--track-accent) 16%, #dce7f5);background:linear-gradient(118deg, #fbfdff 0%, var(--track-soft) 100%)}.track-landing__copy{padding:3.4rem 0}.track-landing__copy>.track-back-link{margin-bottom:2rem}.track-landing__mark{border:1px solid color-mix(in srgb, var(--track-accent) 20%, white);width:72px;height:72px;box-shadow:0 12px 28px color-mix(in srgb, var(--track-accent) 18%, transparent);background:#fff;border-radius:20px;flex:0 0 72px;place-items:center;display:grid}.track-landing__copy h1{color:var(--track-accent-dark);letter-spacing:-.08em;margin:0;font-size:clamp(2.45rem,4.6vw,5.1rem);line-height:1.01}.track-landing__checks{gap:.7rem;max-width:670px;margin:0 0 1.8rem 5.4rem;padding:0;list-style:none;display:grid}.track-landing__checks li{color:#385578;align-items:center;gap:.65rem;font-size:.88rem;font-weight:600;line-height:1.45;display:flex}.track-landing__checks li>span{background:var(--track-accent);color:#fff;border-radius:50%;flex:0 0 24px;place-items:center;width:24px;height:24px;display:grid}.track-landing__actions{align-items:center;gap:1rem;margin-left:5.4rem;display:flex}.track-landing__scroll-link{color:#4f6e95;align-items:center;gap:.25rem;font-size:.84rem;font-weight:750;display:inline-flex}.track-landing__visual{background:var(--track-accent-dark);min-height:460px;box-shadow:0 28px 70px color-mix(in srgb, var(--track-accent) 22%, transparent);border-radius:30px;position:relative;overflow:hidden}.track-landing--python .track-landing__visual img,.track-landing--cpp .track-landing__visual img{object-fit:cover}.track-landing--ai .track-landing__visual img{object-fit:contain;padding:1rem}.track-landing__visual-badge{z-index:1;background:#ffffffeb;border:1px solid #ffffffb3;border-radius:14px;gap:.15rem;min-width:152px;padding:.85rem 1rem;display:grid;position:absolute;bottom:1.2rem;right:1.2rem;box-shadow:0 14px 30px #051f4b33}.track-landing__visual-badge strong{color:var(--track-accent);letter-spacing:-.06em;font-size:1.8rem}.track-landing__visual-badge span{color:#506889;font-size:.7rem;font-weight:700}.track-landing__stats-section{background:#fff;padding:2.6rem 0}.track-stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:.85rem;display:grid}.track-stat-grid article{border:1px solid color-mix(in srgb, var(--track-accent) 15%, #dce7f5);background:var(--track-soft);border-radius:17px;align-content:center;gap:.25rem;min-height:138px;padding:1rem 1.1rem;display:grid}.track-stat-grid__icon{width:38px;height:38px;color:var(--track-accent);background:#fff;border-radius:11px;place-items:center;margin-bottom:.35rem;display:grid}.track-stat-grid strong{color:var(--track-accent-dark);letter-spacing:-.05em;font-size:1.45rem}.track-stat-grid small{color:#647793;font-size:.73rem;font-weight:650}.track-section-heading{justify-content:space-between;align-items:end;gap:2rem;margin-bottom:2rem;display:flex}.track-section-heading h2,.track-landing__topics h2,.track-landing__cta h2{color:var(--track-accent-dark);letter-spacing:-.07em;margin:0 0 .55rem;font-size:clamp(1.9rem,3vw,3.1rem);line-height:1.06}.track-section-heading p:last-child,.track-landing__topics>.track-landing__topics-grid>div:first-child>p:last-child,.track-landing__cta p:last-child{color:#647791;max-width:700px;margin:0;font-size:.92rem;line-height:1.65}.track-stage-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:.85rem;display:grid}.track-stage-card{background:#fff;border:1px solid #dce7f5;border-radius:18px;align-content:space-between;min-height:180px;padding:1.2rem;display:grid;box-shadow:0 10px 26px #1b4a850f}.track-stage-card__number{color:color-mix(in srgb, var(--track-accent) 55%, #a0b8d9);letter-spacing:.08em;font-size:.78rem;font-weight:800}.track-stage-card h3{color:var(--track-accent-dark);margin:0 0 .35rem;font-size:1.12rem}.track-stage-card p{color:#6a7d97;margin:0;font-size:.8rem;line-height:1.5}.track-landing__topics{background:#fff;padding:5.1rem 0}.track-landing__topics-grid{grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);align-items:start;gap:3rem;display:grid}.track-topic-cloud{grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem;display:grid}.track-topic-cloud a{color:#355575;background:#f8fbff;border:1px solid #dbe6f3;border-radius:11px;justify-content:space-between;align-items:center;gap:.6rem;min-height:50px;padding:.7rem .8rem;font-size:.78rem;font-weight:700;display:flex}.track-topic-cloud a:hover{border-color:var(--track-accent);background:var(--track-soft);color:var(--track-accent-dark)}.track-topic-cloud a strong{color:var(--track-accent);font-size:.82rem}.track-topic-cloud .track-topic-cloud__all{border-color:color-mix(in srgb, var(--track-accent) 30%, #dbe6f3);background:var(--track-soft);color:var(--track-accent);grid-column:1/-1;justify-content:center;gap:.3rem}.track-landing__cta{background:var(--track-soft);padding:4.2rem 0}.track-landing__cta-inner{justify-content:space-between;align-items:center;gap:2rem;display:flex}.track-library__hero{border-bottom:1px solid color-mix(in srgb, var(--track-accent) 16%, #dce7f5);background:linear-gradient(118deg, #fbfdff, var(--track-soft));padding:3.4rem 0 3rem}.track-library__heading{align-items:flex-start;gap:1rem;margin-top:1.8rem;display:flex}.track-library__heading-mark{border:1px solid color-mix(in srgb, var(--track-accent) 22%, white);background:#fff;border-radius:18px;flex:0 0 68px;place-items:center;width:68px;height:68px;display:grid}.track-library__heading-mark img{object-fit:contain;width:52px;height:52px}.track-library__heading h1{color:var(--track-accent-dark);letter-spacing:-.075em;margin:0 0 .55rem;font-size:clamp(2.2rem,4vw,4.1rem);line-height:1.02}.track-library__heading p:last-child{color:#5f7391;max-width:760px;margin:0;font-size:.95rem;line-height:1.7}.track-library__stats{gap:1.6rem;margin-top:1.8rem;display:flex}.track-library__stats span{color:#687b97;font-size:.79rem;font-weight:650}.track-library__stats strong{color:var(--track-accent);margin-right:.25rem;font-size:1.1rem}.track-library__layout{grid-template-columns:320px minmax(0,1fr);align-items:start;gap:1.75rem;padding-top:2.4rem;padding-bottom:5.5rem;display:grid}.track-library__sidebar{scrollbar-width:thin;background:#fff;border:1px solid #dce7f5;border-radius:18px;max-height:calc(100vh - 132px);padding:1.15rem 1.1rem;position:sticky;top:104px;overflow:auto;box-shadow:0 12px 32px #18447e12}.track-library__sidebar-header{border-bottom:1px solid #e4edf7;align-items:center;gap:.65rem;padding-bottom:1rem;display:flex}.track-library__sidebar-header>span{background:var(--track-soft);width:36px;height:36px;color:var(--track-accent);border-radius:10px;place-items:center;display:grid}.track-library__sidebar-header strong,.track-library__sidebar-header small{display:block}.track-library__sidebar-header strong{color:var(--track-accent-dark);font-size:.84rem}.track-library__sidebar-header small{color:#7b8ca5;margin-top:.18rem;font-size:.67rem}.track-library__nav{border-bottom:1px solid #e4edf7;gap:.25rem;padding:.85rem 0;display:grid}.track-library__nav a,.track-library__nav button,.track-library__topic-list button{color:#5f7594;cursor:pointer;width:100%;min-height:38px;font:inherit;text-align:left;background:0 0;border:0;border-radius:9px;align-items:center;gap:.55rem;padding:.55rem .6rem;font-size:.76rem;font-weight:650;display:flex}.track-library__nav a:hover,.track-library__nav button:hover,.track-library__nav button.is-active,.track-library__topic-list button:hover,.track-library__topic-list button.is-active{background:var(--track-soft);color:var(--track-accent-dark)}.track-library__nav button span{color:var(--track-accent);margin-left:auto;font-size:.68rem}.track-library__topic-section>p{color:#8898ad;letter-spacing:.04em;text-transform:uppercase;margin:1rem 0 .55rem .6rem;font-size:.65rem;font-weight:800}.track-library__topic-list{gap:.2rem;display:grid}.track-library__topic-list button{justify-content:space-between;gap:.6rem;min-height:48px;padding:.72rem .8rem;font-size:.86rem}.track-library__topic-list button span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.track-library__topic-list button strong{color:#6b83a3;font-size:.76rem}.track-library__content{min-width:0}.track-library__toolbar{background:#fff;border:1px solid #dce7f5;border-radius:17px;gap:.8rem;padding:1rem;display:grid}.track-library__search{color:#7890ad;border:1px solid #ccdcf0;border-radius:11px;align-items:center;gap:.6rem;min-height:48px;padding:0 .8rem;display:flex}.track-library__search:focus-within{border-color:var(--track-accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--track-accent) 12%, transparent)}.track-library__search input{color:#274568;min-width:0;font:inherit;background:0 0;border:0;outline:0;flex:1;font-size:.84rem}.track-library__search kbd{color:#8194ac;border:1px solid #d8e5f3;border-radius:6px;padding:.25rem .45rem;font-size:.64rem}.track-library__filters{flex-wrap:wrap;align-items:center;gap:.4rem;display:flex}.track-library__filters>span{color:#7a8ca5;align-items:center;gap:.3rem;margin-right:.25rem;font-size:.72rem;font-weight:750;display:inline-flex}.track-library__filters button{color:#5d7595;cursor:pointer;min-height:34px;font:inherit;background:#fff;border:1px solid #d8e5f3;border-radius:999px;padding:.45rem .75rem;font-size:.7rem;font-weight:700}.track-library__filters button:hover,.track-library__filters button.is-active{border-color:var(--track-accent);background:var(--track-accent);color:#fff}.track-library__list-heading{justify-content:space-between;align-items:end;gap:1rem;margin:2rem 0 1.2rem;display:flex}.track-library__list-heading .track-eyebrow{margin-bottom:.35rem;font-size:.67rem}.track-library__list-heading h2{color:var(--track-accent-dark);letter-spacing:-.055em;margin:0 0 .25rem;font-size:1.7rem}.track-library__list-heading>div>span{color:#7b8da5;font-size:.75rem}.track-library__page-label{color:#8092aa;font-size:.72rem;font-weight:700}.track-library__groups{gap:1.2rem;display:grid}.track-library__group{background:#fff;border:1px solid #dce7f5;border-radius:17px;overflow:hidden}.track-library__group>h3{background:var(--track-soft);color:var(--track-accent-dark);justify-content:space-between;align-items:center;gap:1rem;margin:0;padding:.85rem 1rem;font-size:.88rem;display:flex}.track-library__group>h3 small{color:#7990ad;font-size:.68rem;font-weight:650}.track-library__rows{display:grid}.track-library__row{grid-template-columns:42px minmax(0,1fr) 170px 94px;align-items:center;gap:.85rem;padding:1rem;display:grid}.track-library__row+.track-library__row{border-top:1px solid #edf2f8}.track-library__row-logo{background:var(--track-soft);border-radius:12px;place-items:center;width:42px;height:42px;display:grid}.track-library__row-logo img{object-fit:contain;width:31px;height:31px}.track-library__row-body{min-width:0}.track-library__row-title{align-items:center;gap:.5rem;min-width:0;display:flex}.track-library__row-title>span{color:#4d6483;background:#eef3fa;border-radius:6px;flex:none;padding:.22rem .42rem;font-size:.7rem;font-weight:800}.track-library__row-title>span.track-library__row-step{background:linear-gradient(135deg, var(--track-accent), var(--track-accent-dark));box-shadow:0 4px 10px color-mix(in srgb, var(--track-accent) 24%, transparent);color:#fff;letter-spacing:.02em;border-radius:999px;padding:.24rem .55rem;font-size:.68rem}.track-library__row-title h4{color:#102b59;letter-spacing:-.025em;text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:.94rem;overflow:hidden}.track-library__row-body>p{color:#6c7f9a;text-overflow:ellipsis;white-space:nowrap;margin:.35rem 0 .45rem;font-size:.78rem;line-height:1.5;overflow:hidden}.track-library__row-tags{flex-wrap:wrap;gap:.3rem;display:flex}.track-library__row-tags span{color:#6c84a1;background:#f0f5fb;border-radius:5px;padding:.2rem .38rem;font-size:.62rem;font-weight:650}.track-library__row-meta{justify-items:end;gap:.45rem;display:grid}.track-library__score{color:#315a91;white-space:nowrap;background:#f2f7ff;border:1px solid #c7d8ee;border-radius:999px;align-items:center;gap:.45rem;padding:.4rem .6rem;font-size:.72rem;font-weight:700;display:inline-flex}.track-library__score strong{color:#133f83;font-size:.82rem}.track-library__score--complete{color:#167047;background:#ecfbf2;border-color:#b7e8c9}.track-library__score--complete strong{color:#11653e}.track-library__score-message{color:#315a91;background:#f2f7ff;border-radius:10px;margin:.8rem 1rem;padding:.8rem 1rem;font-size:.82rem}.track-library__score-message :is(a,button){color:#1257a7;font-weight:750;text-decoration:underline}.problem-score-panel{color:#18375f;background:linear-gradient(135deg,#f6faff,#fff 56%,#f1f7ff);border:1px solid #cfe0f4;border-radius:18px;margin:1.15rem 1.5rem 0;padding:1.15rem;box-shadow:0 10px 30px #18559a0f}.problem-score-panel__heading{align-items:center;gap:.8rem;display:flex}.problem-score-panel__icon{color:#1463b6;background:#dcecff;border-radius:13px;flex:0 0 42px;place-items:center;width:42px;height:42px;display:grid}.problem-score-panel h2{color:#102e59;margin:0;font-size:1rem}.problem-score-panel__heading p{color:#627b9d;margin:.2rem 0 0;font-size:.77rem}.problem-score-panel>p{margin:1rem 0 0;font-size:.83rem}.problem-score-panel a,.problem-score-panel button{color:#125eaf;font-weight:750;text-decoration:underline}.problem-score-panel__empty{align-items:center;gap:.5rem;display:flex}.problem-score-panel__best{background:#e5f1ff;border-radius:13px;justify-content:space-between;align-items:center;gap:1rem;margin-top:1rem;padding:.85rem 1rem;display:flex}.problem-score-panel__best>div{gap:.2rem;display:grid}.problem-score-panel__best span{color:#246094;align-items:center;gap:.3rem;font-size:.75rem;font-weight:750;display:inline-flex}.problem-score-panel__best strong{color:#173b69;font-size:.83rem}.problem-score-panel__best b{color:#0d59b1;white-space:nowrap;font-size:1.55rem}.problem-score-panel__best small{color:#637f9f;font-size:.9rem}.problem-score-panel__recent-title{color:#244e7c;align-items:center;gap:.4rem;margin:1.05rem 0 .5rem;font-size:.82rem;display:flex}.problem-score-panel__recent{gap:.4rem;margin:0;padding:0;list-style:none;display:grid}.problem-score-panel__recent li{background:#fff;border:1px solid #e3edf8;border-radius:9px;justify-content:space-between;gap:.5rem;padding:.5rem .7rem;font-size:.77rem;display:flex}.problem-score-panel__recent strong{color:#1e5a9c}@media (max-width:700px){.problem-score-panel{margin:1rem .85rem 0;padding:.9rem}.problem-score-panel__best b{font-size:1.25rem}.track-library__score{justify-self:start}}.track-library__row-meta>span:last-child{color:#8293aa;align-items:center;gap:.25rem;font-size:.68rem;display:inline-flex}.track-library__row-action{background:var(--track-accent);min-height:40px;box-shadow:0 8px 18px color-mix(in srgb, var(--track-accent) 22%, transparent);color:#fff;border-radius:9px;justify-content:center;align-items:center;gap:.2rem;padding:.55rem .65rem;font-size:.72rem;font-weight:750;display:inline-flex}.track-library__row-action:hover{background:var(--track-accent-dark)}.track-library__empty{color:#6d809b;text-align:center;border:1px dashed #c9d9ec;border-radius:16px;align-content:center;place-items:center;gap:.55rem;min-height:260px;padding:2rem;display:grid}.track-library__empty strong{color:var(--track-accent-dark)}.track-library__empty span{font-size:.8rem}.track-library__pagination{justify-content:space-between;align-items:center;gap:1rem;margin-top:1.4rem;display:flex}.track-library__pagination button{min-height:40px;color:var(--track-accent);cursor:pointer;font:inherit;background:#fff;border:1px solid #d2e1f1;border-radius:9px;align-items:center;gap:.25rem;padding:.5rem .8rem;font-size:.73rem;font-weight:750;display:inline-flex}.track-library__pagination button:hover:not(:disabled){border-color:var(--track-accent);background:var(--track-soft)}.track-library__pagination button:disabled{cursor:not-allowed;opacity:.45}.track-library__pagination>span{color:#7a8da7;font-size:.74rem;font-weight:700}@media (max-width:1180px){.exercise-hub-hero__grid,.track-landing__hero-grid{gap:2.5rem}.library-container{width:min(100% - 44px,1160px)}.track-library__layout{grid-template-columns:262px minmax(0,1fr)}}@media (max-width:960px){.exercise-track-card-grid{grid-template-columns:1fr}.exercise-track-card{grid-template-columns:minmax(240px,.8fr) minmax(0,1.2fr);display:grid}.exercise-track-card__image{height:100%;min-height:290px}.exercise-hub-hero__grid,.track-landing__hero-grid,.track-landing__topics-grid{grid-template-columns:1fr}.exercise-hub-hero__visual{border-radius:24px;min-height:350px;margin-bottom:2rem}.track-landing__visual{min-height:380px}.track-landing__copy{padding-bottom:0}.track-landing__topics-grid{gap:2rem}.track-library__layout{grid-template-columns:1fr}.track-library__sidebar{max-height:280px;position:static}.track-library__topic-list{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:680px){.library-container{width:min(100% - 24px,560px)}.exercise-hub-hero__copy{padding:2.8rem 0 2rem}.exercise-hub-hero__copy h1{font-size:clamp(2.45rem,12vw,3.8rem)}.exercise-hub-hero__lead{font-size:.94rem}.exercise-hub-hero__stats{gap:.9rem}.exercise-hub-hero__stats strong{font-size:1.45rem}.exercise-hub-content{padding:3.5rem 0 4.5rem}.exercise-hub-heading,.track-section-heading,.track-landing__cta-inner{flex-direction:column;align-items:flex-start}.exercise-hub-heading h2,.track-section-heading h2,.track-landing__topics h2,.track-landing__cta h2{font-size:2.15rem}.exercise-track-card{display:block}.exercise-track-card__image{min-height:210px}.exercise-track-card__body{min-height:0}.exercise-track-card__actions{flex-direction:column;align-items:flex-start}.exercise-track-card__actions .exercise-button{width:100%}.exercise-hub-method{grid-template-columns:auto minmax(0,1fr)}.exercise-hub-method>.exercise-button{grid-column:1/-1;width:100%}.track-landing__hero{padding-bottom:1.2rem}.track-landing__copy{padding-top:2rem}.track-landing__title-row{gap:.75rem}.track-landing__mark{border-radius:15px;flex-basis:56px;width:56px;height:56px}.track-landing__mark img{width:43px;height:43px}.track-landing__copy h1{font-size:clamp(2.15rem,10vw,3.15rem)}.track-landing__lead,.track-landing__checks,.track-landing__actions{margin-left:0}.track-landing__lead{font-size:.92rem}.track-landing__checks li{font-size:.82rem}.track-landing__actions{flex-direction:column;align-items:flex-start}.track-landing__visual{border-radius:20px;min-height:290px}.track-stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.track-landing__roadmap,.track-landing__topics{padding:3.7rem 0}.track-stage-grid,.track-topic-cloud{grid-template-columns:repeat(2,minmax(0,1fr))}.track-library__hero{padding:2.5rem 0 2.2rem}.track-library__heading{margin-top:1.3rem}.track-library__heading-mark{border-radius:14px;flex-basis:52px;width:52px;height:52px}.track-library__heading-mark img{width:40px;height:40px}.track-library__heading h1{font-size:clamp(2rem,9vw,3rem)}.track-library__heading p:last-child{font-size:.84rem}.track-library__stats{flex-wrap:wrap;gap:.65rem 1rem}.track-library__layout{padding-top:1.2rem}.track-library__sidebar{max-height:245px}.track-library__topic-list{grid-template-columns:repeat(2,minmax(0,1fr))}.track-library__row{grid-template-columns:38px minmax(0,1fr);gap:.65rem}.track-library__row-logo{width:38px;height:38px}.track-library__row-meta{flex-wrap:wrap;grid-column:2;justify-content:space-between;align-items:center;display:flex}.track-library__row-action{grid-column:2;width:fit-content;min-height:36px}.track-library__row-title h4{font-size:.86rem}.track-library__row-body>p{font-size:.73rem}.track-library__list-heading h2{font-size:1.45rem}}.track-landing__hero{border-bottom:1px solid color-mix(in srgb, var(--track-accent) 16%, #dbe7f4);background:radial-gradient(circle at 76% 24%, color-mix(in srgb, var(--track-accent) 13%, transparent), transparent 32%), linear-gradient(120deg, #fbfdff 0%, var(--track-soft) 100%);padding:2.2rem 0 1.45rem;position:relative}.track-landing__hero-grid{grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);align-items:center;gap:clamp(2.2rem,5vw,5rem);min-height:580px;display:grid}.track-landing__copy{z-index:1;padding:1rem 0 2.5rem;position:relative}.track-landing__copy .track-eyebrow{margin-top:1.45rem;font-size:.78rem}.track-landing__title-row{align-items:flex-start;gap:1rem;display:flex}.track-landing__mark{border:1px solid color-mix(in srgb, var(--track-accent) 25%, white);width:76px;height:76px;box-shadow:0 13px 28px color-mix(in srgb, var(--track-accent) 15%, transparent);background:#ffffffe0;border-radius:22px;flex:0 0 76px;place-items:center;margin-top:.35rem;display:grid}.track-landing__mark img{object-fit:contain;width:58px;height:58px}.track-landing__copy h1{max-width:690px;color:var(--track-accent-dark);letter-spacing:-.085em;margin:0;font-size:clamp(3rem,5.35vw,5.4rem);font-weight:800;line-height:.99}.track-landing__lead{color:#4f6685;max-width:630px;margin:1.45rem 0 0 5.9rem;font-size:1.08rem;line-height:1.72}.track-landing__checks{gap:.63rem;margin:1.45rem 0 1.8rem 5.9rem}.track-landing__checks li{color:#304f76;font-size:.92rem;line-height:1.46}.track-landing__checks li>span{width:25px;height:25px;box-shadow:0 5px 12px color-mix(in srgb, var(--track-accent) 22%, transparent);flex-basis:25px}.track-landing__actions{margin-left:5.9rem}.track-landing__visual{background:var(--track-accent-dark);min-height:520px;box-shadow:0 30px 70px color-mix(in srgb, var(--track-accent) 24%, transparent);border-radius:30px}.track-landing__visual img{object-fit:cover;object-position:center}.track-landing--python .track-landing__visual{background:#d9ecff}.track-landing--ai .track-landing__visual{background:#332184}.track-landing__visual-shade{z-index:1;pointer-events:none;background:linear-gradient(90deg,#0416391f,#0000 48%,#05132e33);position:absolute;inset:0}.track-landing__visual-badge{z-index:2;background:#fffffff2;border-radius:16px;min-width:170px;padding:.95rem 1.05rem;bottom:1.35rem;right:1.35rem}.track-landing__visual-badge strong{font-size:2rem}.track-landing__hero-highlights{z-index:2;grid-template-columns:repeat(4,minmax(0,1fr));gap:.8rem;margin-top:-.25rem;display:grid;position:relative}.track-landing__hero-highlights article{border:1px solid color-mix(in srgb, var(--track-accent) 20%, #dce8f4);background:#fffffff0;border-radius:16px;align-items:center;gap:.7rem;min-height:88px;padding:.9rem 1rem;display:flex;box-shadow:0 12px 26px #1b437814}.track-highlight-icon{background:var(--track-soft);width:43px;height:43px;color:var(--track-accent);border-radius:13px;flex:0 0 43px;place-items:center;display:grid}.track-landing__hero-highlights strong,.track-landing__hero-highlights small{display:block}.track-landing__hero-highlights strong{color:var(--track-accent-dark);letter-spacing:-.06em;font-size:1.45rem}.track-landing__hero-highlights small{color:#6d809a;margin-top:.12rem;font-size:.72rem;font-weight:700}.track-landing__roadmap{background:#f7faff;padding:5.5rem 0 5.3rem}.track-section-heading{margin-bottom:2.35rem}.track-section-heading h2,.track-landing__topics h2,.track-landing__cta h2{font-size:clamp(2.2rem,3.65vw,3.7rem)}.track-timeline{grid-template-columns:repeat(4,minmax(0,1fr));gap:1.15rem;display:grid;position:relative}.track-timeline__line{background:color-mix(in srgb, var(--track-accent) 27%, #dbe6f3);height:2px;position:absolute;top:25px;left:11%;right:11%}.track-timeline__item{z-index:1;text-align:center;justify-items:center;gap:.85rem;display:grid;position:relative}.track-timeline__number{background:var(--track-accent);width:52px;height:52px;box-shadow:0 7px 17px color-mix(in srgb, var(--track-accent) 25%, transparent);color:#fff;border:6px solid #f7faff;border-radius:50%;place-items:center;font-size:1.06rem;font-weight:800;display:grid}.track-timeline__item h3{color:var(--track-accent-dark);margin:0 0 .35rem;font-size:1.08rem}.track-timeline__item p{color:#6e819d;max-width:220px;margin:0;font-size:.78rem;line-height:1.54}.track-roadmap-preview{border:1px solid color-mix(in srgb, var(--track-accent) 19%, #dce7f5);background:#fff;border-radius:22px;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);min-height:260px;margin-top:3.2rem;display:grid;overflow:hidden;box-shadow:0 16px 38px #1a467e14}.track-roadmap-preview__copy{flex-direction:column;justify-content:center;align-items:flex-start;padding:2rem 2.1rem;display:flex}.track-roadmap-preview__copy h3{color:var(--track-accent-dark);letter-spacing:-.055em;margin:0 0 .6rem;font-size:1.75rem}.track-roadmap-preview__copy>p:not(.track-eyebrow){color:#6b7f9c;max-width:420px;margin:0 0 1rem;font-size:.87rem;line-height:1.62}.track-roadmap-preview__image{background:var(--track-soft);min-height:260px;position:relative}.track-roadmap-preview__image img{object-fit:cover;object-position:center}.track-library__hero{background:radial-gradient(circle at 87% 10%, color-mix(in srgb, var(--track-accent) 14%, transparent), transparent 33%), linear-gradient(120deg, #fbfdff, var(--track-soft));padding:2.15rem 0 1.7rem}.track-library__hero-content{grid-template-columns:minmax(0,1fr) minmax(310px,.62fr);align-items:stretch;gap:2rem;margin-top:1.55rem;display:grid}.track-library__heading{align-items:center;margin-top:0}.track-library__heading h1{font-size:clamp(2.5rem,4.45vw,4.6rem)}.track-library__heading p:last-child{max-width:660px;font-size:1rem}.track-library__hero-image{background:var(--track-accent-dark);min-height:210px;box-shadow:0 18px 40px color-mix(in srgb, var(--track-accent) 16%, transparent);border-radius:20px;position:relative;overflow:hidden}.track-library__hero-image img{object-fit:cover;object-position:center}.track-library__stats{border-top:1px solid color-mix(in srgb, var(--track-accent) 15%, #dce7f5);gap:2.2rem;margin-top:1.35rem;padding-top:1.2rem}.track-library__stats span{font-size:.83rem}.track-library__stats strong{font-size:1.28rem}.track-library__timeline{grid-template-columns:repeat(4,minmax(0,1fr));gap:.8rem;margin-top:1.5rem;display:grid;position:relative}.track-library__timeline-line{background:color-mix(in srgb, var(--track-accent) 27%, #dbe6f3);height:2px;position:absolute;top:16px;left:8%;right:8%}.track-library__timeline-step{z-index:1;align-items:flex-start;gap:.55rem;display:flex;position:relative}.track-library__timeline-step>span{border:4px solid var(--track-soft);background:var(--track-accent);color:#fff;border-radius:50%;flex:0 0 34px;place-items:center;width:34px;height:34px;font-size:.78rem;font-weight:800;display:grid}.track-library__timeline-step strong,.track-library__timeline-step small{display:block}.track-library__timeline-step strong{color:var(--track-accent-dark);padding-top:.08rem;font-size:.78rem}.track-library__timeline-step small{color:#71849f;max-width:180px;margin-top:.2rem;font-size:.65rem;line-height:1.38}.track-library__nav a,.track-library__nav-item{gap:.65rem;min-height:46px;padding:.68rem .7rem;font-size:.82rem}.track-library__nav a span,.track-library__nav-item span{flex:1}.track-library__nav a.is-active{background:var(--track-accent);box-shadow:0 7px 16px color-mix(in srgb, var(--track-accent) 20%, transparent);color:#fff}.track-library__nav a.is-active svg{color:#fff}.track-library__nav-item{color:#7b8ca5;border-radius:9px;align-items:center;font-weight:650;display:flex}.track-library__nav-item--soon small{color:#a5b3c3;font-size:.58rem;font-weight:700}.track-library__spotlight{border:1px solid color-mix(in srgb, var(--track-accent) 18%, #dce7f5);background:linear-gradient(105deg, var(--track-soft), white);border-radius:17px;justify-content:space-between;align-items:center;gap:1rem;min-height:126px;margin-bottom:1.2rem;padding:1.15rem 1.3rem;display:flex}.track-library__spotlight .track-eyebrow{margin-bottom:.3rem;font-size:.65rem}.track-library__spotlight h2{color:var(--track-accent-dark);letter-spacing:-.04em;margin:0 0 .25rem;font-size:1.18rem}.track-library__spotlight p:last-child{color:#6f829c;margin:0;font-size:.76rem}.track-library__spotlight>a{background:var(--track-accent);color:#fff;white-space:nowrap;border-radius:9px;align-items:center;gap:.35rem;min-height:40px;padding:.55rem .8rem;font-size:.72rem;font-weight:750;display:inline-flex}@media (max-width:960px){.track-landing__hero-grid{grid-template-columns:1fr}.track-landing__visual{min-height:390px}.track-landing__hero-highlights{grid-template-columns:repeat(2,minmax(0,1fr))}.track-roadmap-preview,.track-library__hero-content{grid-template-columns:1fr}.track-roadmap-preview__image{min-height:230px}.track-library__hero-image{min-height:260px}.track-library__timeline-step small{max-width:none}}@media (max-width:680px){.track-landing__hero{padding-top:1.2rem}.track-landing__hero-grid{gap:1.2rem;min-height:0}.track-landing__copy{padding:.7rem 0 1rem}.track-landing__copy h1{font-size:clamp(2.35rem,11vw,3.7rem)}.track-landing__mark{border-radius:16px;flex-basis:58px;width:58px;height:58px}.track-landing__mark img{width:44px;height:44px}.track-landing__lead,.track-landing__checks,.track-landing__actions{margin-left:0}.track-landing__visual{border-radius:20px;min-height:270px}.track-landing__hero-highlights{gap:.6rem}.track-landing__hero-highlights article{min-height:76px;padding:.65rem}.track-highlight-icon{flex-basis:35px;width:35px;height:35px}.track-landing__hero-highlights strong{font-size:1.15rem}.track-landing__hero-highlights small{font-size:.63rem}.track-timeline{grid-template-columns:1fr 1fr;gap:1.6rem .7rem}.track-timeline__line{display:none}.track-roadmap-preview__copy{padding:1.35rem}.track-library__hero{padding-top:1.35rem}.track-library__heading h1{font-size:clamp(2rem,10vw,3.1rem)}.track-library__hero-image{min-height:190px}.track-library__timeline{scrollbar-width:thin;gap:1.15rem;padding-bottom:.25rem;display:flex;overflow-x:auto}.track-library__timeline-line{display:none}.track-library__timeline-step{min-width:175px}.track-library__spotlight{flex-direction:column;align-items:flex-start}.track-library__spotlight>a{justify-content:center;width:100%}}.exercise-redesign{--redesign-blue:#0878f9;--redesign-navy:#0a205c;--redesign-muted:#607797;background:linear-gradient(135deg,#f9fcff,#f0f7ff 55%,#fff)}.exercise-redesign .track-eyebrow{color:var(--redesign-blue);letter-spacing:.025em;font-size:.875rem}.exercise-redesign :is(a,button):focus-visible{outline-offset:5px;outline:3px solid #0878f9}.exercise-redesign .exercise-button--primary{background:linear-gradient(110deg,#078bff,#0760e8);min-height:54px;padding:.9rem 1.7rem;font-size:1rem;box-shadow:0 12px 28px #0878f929}.exercise-redesign .exercise-button--primary:hover{background:#075aca}.exercise-redesign .exercise-hub-hero{background:0 0;border:0;padding:3rem 0 5rem}.exercise-redesign .exercise-hub-hero__grid{grid-template-columns:1fr;gap:2rem;min-height:0;position:relative}.exercise-redesign .exercise-hub-hero__copy{text-align:center;padding:1.5rem 0}.exercise-redesign .exercise-hub-hero__copy h1{max-width:none;color:var(--redesign-navy);letter-spacing:-.055em;font-size:clamp(2.6rem,4.7vw,4.4rem);line-height:1.13}.exercise-redesign .exercise-hub-hero__visual{width:210px;height:180px;min-height:0;box-shadow:none;pointer-events:none;border-radius:0;margin:0;position:absolute;bottom:-5rem;left:-2rem}.exercise-redesign .exercise-hub-hero__lead{max-width:850px;margin:0 auto;font-size:1.15rem}.exercise-overview-stats{background:#ffffffeb;border:1px solid #cce1ff;border-radius:30px;grid-template-columns:repeat(3,minmax(0,1fr));padding:3rem 2rem;display:grid;box-shadow:0 18px 55px #2868b512}.exercise-overview-stats article{text-align:center;padding:0 2rem}.exercise-overview-stats article+article{border-left:1px solid #dce9fc}.exercise-overview-stats__top{justify-content:center;align-items:center;gap:1.5rem;display:flex}.exercise-overview-stats__icon{width:78px;height:88px;color:var(--redesign-blue);background:#eaf4ff;border-radius:22px;flex-shrink:0;place-items:center;display:grid}.exercise-overview-stats strong{color:var(--redesign-navy);letter-spacing:-.055em;font-size:clamp(3rem,5.5vw,5rem);line-height:1;display:block}.exercise-overview-stats__top .exercise-overview-stats__label{color:#526a91;margin:.7rem 0 0;font-size:1.15rem;line-height:1.5}.exercise-overview-stats p{color:#607797;margin:1.5rem 0 0;font-size:1rem;line-height:1.75}.exercise-redesign .exercise-hub-hero__visual img{object-fit:contain}.exercise-redesign .exercise-hub-hero__stats{gap:clamp(1rem,4vw,3rem)}.exercise-redesign .exercise-hub-hero__stats strong{color:var(--redesign-blue);font-size:2.5rem}.exercise-redesign .exercise-hub-hero__stats small{font-size:.9rem}.exercise-redesign .exercise-hub-content{padding:3rem 0 5rem}.exercise-redesign .exercise-track-card-grid{grid-template-columns:1fr;gap:2.5rem}.exercise-redesign .exercise-track-card{background:linear-gradient(110deg,#fff 25%,#f7fbff 60%,#e8f3ff);border:1px solid #cce1ff;border-radius:30px;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:center;min-height:490px;padding:clamp(1.5rem,3.4vw,3.25rem);display:grid;box-shadow:0 18px 55px #2868b512}.exercise-redesign .exercise-track-card__body{grid-area:1/1;min-height:0;padding:0}.exercise-redesign .exercise-track-card__body .track-eyebrow{margin-bottom:1.3rem;font-size:.875rem}.exercise-redesign .exercise-track-card__body h3{letter-spacing:-.055em;color:var(--redesign-navy);margin-bottom:1.25rem;font-size:clamp(2.1rem,3.9vw,3.7rem);line-height:1.12}.exercise-redesign :is(.exercise-track-card__body h3 span,.track-landing__copy h1 span){color:var(--redesign-blue)}.exercise-redesign .exercise-track-card__body>p:not(.track-eyebrow){max-width:620px;font-size:1.05rem;line-height:1.75}.exercise-redesign .exercise-track-card__image{background:0 0;grid-area:1/2;height:100%;min-height:380px;overflow:visible}.exercise-redesign .exercise-track-card__image:after{content:none}.exercise-redesign .exercise-track-card__image>img{object-fit:contain;padding:0}.exercise-redesign .exercise-track-card__meta{border:0;gap:2rem;margin:1.8rem 0;padding:0}.exercise-redesign .exercise-track-card__meta span{font-size:.95rem}.exercise-redesign .exercise-track-card__meta strong{color:var(--redesign-blue);font-size:2.1rem}.exercise-redesign .exercise-track-card__actions{flex-flow:wrap;gap:1.5rem}.exercise-redesign .exercise-track-card__actions .exercise-button{flex:0 auto;width:auto}.exercise-redesign :is(.exercise-track-card__secondary,.track-section-heading__link){color:var(--redesign-blue);white-space:normal;font-size:.95rem}.exercise-redesign .track-landing__hero{background:0 0;border:0;padding:2.5rem 0}.exercise-redesign .track-landing__hero-grid{background:linear-gradient(110deg,#fff 25%,#f7fbff 60%,#e8f3ff);border:1px solid #cce1ff;border-radius:30px;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:1.5rem;min-height:550px;padding:clamp(1.5rem,3vw,3rem);box-shadow:0 18px 55px #2868b512}.exercise-redesign .track-landing__copy{padding:0}.exercise-redesign .track-landing__copy>.track-back-link{width:fit-content;margin-bottom:1.5rem;display:flex}.exercise-redesign .track-landing__copy>.track-eyebrow{margin-top:0;margin-bottom:1.5rem;display:flex}.exercise-redesign .track-landing__checks li>span{background:var(--redesign-blue);box-shadow:none}.exercise-redesign .exercise-track-card__meta span{min-width:90px}.exercise-redesign .track-timeline__number{background:var(--redesign-blue);box-shadow:none;border-color:#edf5ff}.exercise-redesign .track-landing__title-row{display:block}.exercise-redesign .track-landing__mark{display:none}.exercise-redesign .track-landing__copy h1{color:var(--redesign-navy);letter-spacing:-.055em;font-size:clamp(2.3rem,4vw,4rem);line-height:1.12}.exercise-redesign :is(.track-landing__lead,.track-landing__checks,.track-landing__actions){margin-left:0}.exercise-redesign .track-landing__lead{font-size:1.05rem}.exercise-redesign .track-landing__visual{min-height:440px;box-shadow:none;background:0 0;border-radius:0}.exercise-redesign .track-landing__visual img{object-fit:contain;padding:0}.exercise-redesign .track-landing__visual-badge{min-width:140px;box-shadow:0 10px 30px #2868b515}.exercise-redesign .track-landing__hero-highlights{margin-top:1.5rem}.exercise-redesign :is(.track-section-heading h2,.track-landing__topics h2,.track-landing__cta h2){color:var(--redesign-navy);letter-spacing:-.045em;font-size:clamp(2rem,3.1vw,3rem);line-height:1.2}.exercise-redesign :is(.track-landing__roadmap,.track-landing__topics){background:0 0;padding:3rem 0}.exercise-roadmap-art{margin:0 0 2.5rem}.exercise-roadmap-art img{border-radius:24px;width:100%;height:auto;display:block}.exercise-roadmap-art figcaption{color:#526988;margin-top:1rem;font-size:.875rem;line-height:1.7}.exercise-redesign .track-timeline{gap:1rem}.exercise-redesign .track-timeline__line{display:none}.exercise-redesign .track-timeline__item{text-align:left;background:#fff;border:1px solid #d7e7fa;border-radius:20px;justify-items:start;padding:1.5rem}.exercise-redesign .track-timeline__item p{max-width:none;font-size:.95rem;line-height:1.7}.exercise-redesign .track-roadmap-preview__image{background:#f1f8ff}.exercise-redesign .track-roadmap-preview__image img{object-fit:contain}.exercise-redesign .track-landing__topics-grid{background:linear-gradient(115deg,#fff,#eff7ff);border:1px solid #cce1ff;border-radius:30px;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:2rem;padding:clamp(1.5rem,3vw,3rem)}.exercise-topic-art img{width:min(100%,350px);height:auto;margin-top:1.5rem;display:block}.exercise-topic-copy>span{line-height:1.5;display:block}.exercise-topic-copy small{color:#607797;margin-top:.35rem;font-size:.875rem;font-weight:400;line-height:1.6;display:block}.exercise-outcomes{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem;margin-top:1.5rem;display:grid}.exercise-outcomes article{background:#fff;border:1px solid #d7e7fa;border-radius:22px;padding:1.75rem}.exercise-outcomes h3{color:var(--redesign-navy);margin:1rem 0 .75rem;font-size:1.15rem;line-height:1.5}.exercise-outcomes p{color:#607797;margin:0;font-size:.95rem;line-height:1.75}.exercise-redesign .track-topic-cloud{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.exercise-redesign .track-topic-cloud a{min-height:100px;color:var(--redesign-navy);background:#ffffffd9;border-radius:18px;gap:.75rem;padding:1.2rem;font-size:.95rem;transition:border-color .18s,box-shadow .18s}.exercise-redesign .track-topic-cloud a:hover{border-color:var(--redesign-blue);box-shadow:0 8px 22px #2868b515}.exercise-redesign .track-topic-cloud a>span:not(.exercise-topic-icon){flex:1}.exercise-redesign .track-topic-cloud a strong{color:var(--redesign-blue);font-size:1.25rem}.exercise-topic-icon{width:42px;height:48px;color:var(--redesign-blue);background:#eaf4ff;border-radius:12px;flex:0 0 42px;place-items:center;display:grid}.exercise-redesign .track-topic-cloud .track-topic-cloud__all{min-height:64px;color:var(--redesign-blue);background:#e9f3ff}.exercise-examples{padding:3rem 0 5rem}.exercise-examples__grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem;display:grid}.exercise-example{background:#fff;border:1px solid #d7e7fa;border-radius:22px;flex-direction:column;align-items:start;padding:1.75rem;display:flex}.exercise-example__top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;width:100%;display:flex}.exercise-example__number{color:#1678ee;font-size:1.6rem;font-weight:800}.exercise-example__level{color:#246098;background:#edf5ff;border-radius:8px;padding:.4rem .65rem;font-size:.875rem}.exercise-example__level--easy{color:#187451;background:#e9faf3}.exercise-example__level--hard{color:#6834aa;background:#f3edff}.exercise-example h3{color:var(--redesign-navy);margin:1.4rem 0 .75rem;font-size:1.2rem;line-height:1.5}.exercise-example h3 a:hover{color:var(--redesign-blue)}.exercise-example__summary{color:#617593;overflow-wrap:anywhere;margin:0 0 1.5rem;font-size:.95rem;line-height:1.75}.exercise-example__outcome{color:#235477;border-top:1px solid #e7eff9;align-items:start;gap:.6rem;margin:auto 0 1.5rem;padding-top:1rem;display:flex}.exercise-example__outcome svg{flex-shrink:0;margin-top:.25rem}.exercise-example__outcome p{margin:0;font-size:.95rem;line-height:1.65}.exercise-method{background:linear-gradient(110deg,#fff,#f1f8ff);border:1px solid #cce1ff;border-radius:28px;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);align-items:center;gap:2rem;margin-top:4rem;padding:clamp(1.5rem,3vw,3rem);display:grid}.exercise-method h2{color:var(--redesign-navy);letter-spacing:-.045em;margin:0 0 1rem;font-size:clamp(1.9rem,2.8vw,2.8rem);line-height:1.25}.exercise-method h2 span{color:var(--redesign-blue)}.exercise-method__copy>p:last-child{color:#617593;margin:0;font-size:1rem;line-height:1.75}.exercise-method__steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;margin:0;padding:0;list-style:none;display:grid}.exercise-method__steps li{text-align:center;background:#ffffffd9;border:1px solid #d7e7fa;border-radius:20px;padding:1.4rem .75rem;position:relative}.exercise-method__steps li:not(:last-child):after{z-index:1;color:var(--redesign-blue);content:"→";font-size:1.25rem;position:absolute;top:50%;right:-.7rem}.exercise-method__icon{color:#0878f9;background:#e8f3ff;border-radius:50%;place-items:center;width:60px;height:60px;margin:0 auto 1rem;display:grid}.exercise-method__steps li:nth-child(2n) .exercise-method__icon{color:#7850d7;background:#f1ecff}.exercise-method__steps li:nth-child(3) .exercise-method__icon{color:#179975;background:#e6f8f2}.exercise-method__steps h3{color:var(--redesign-navy);margin:0 0 .5rem;font-size:1rem}.exercise-method__steps p{color:#617593;margin:0;font-size:.875rem;line-height:1.6}.exercise-method__note{color:#526988;border-top:1px solid #dbe9fb;grid-column:1/-1;margin:0;padding-top:1.5rem;font-size:.875rem;line-height:1.7}@media (max-width:1000px){.exercise-overview-stats{padding:2rem 1rem}.exercise-overview-stats article{padding:0 1rem}.exercise-overview-stats__top{gap:.75rem}.exercise-overview-stats__icon{width:55px;height:65px}.exercise-redesign .exercise-track-card{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}.exercise-redesign .track-landing__hero-grid{grid-template-columns:1fr}.exercise-redesign .track-landing__visual{min-height:350px}.exercise-redesign .track-landing__topics-grid,.exercise-method{grid-template-columns:1fr}.exercise-method__steps{gap:1rem}.exercise-examples__grid,.exercise-outcomes{grid-template-columns:1fr}}@media (max-width:760px){.exercise-redesign .exercise-hub-hero__grid{grid-template-columns:1fr}.exercise-redesign .exercise-hub-hero__visual{width:150px;height:120px;min-height:0;bottom:-5rem;left:-.5rem}.exercise-overview-stats{grid-template-columns:1fr;gap:2rem;padding:2rem}.exercise-overview-stats article{padding:0}.exercise-overview-stats article+article{border-top:1px solid #dce9fc;border-left:0;padding-top:2rem}.exercise-overview-stats strong{font-size:3.5rem}.exercise-method__steps li:nth-child(2):after{content:none}.exercise-redesign .exercise-track-card{border-radius:24px;grid-template-columns:1fr;min-height:0}.exercise-redesign .exercise-track-card__image{grid-area:2/1;min-height:260px;margin-top:1rem}.exercise-redesign .exercise-track-card__body h3{font-size:clamp(2rem,7vw,3rem)}.exercise-redesign .exercise-track-card__meta{gap:1.5rem}.exercise-redesign .exercise-track-card__actions,.exercise-redesign .track-landing__hero-grid{gap:1rem}.exercise-redesign .track-landing__copy h1{font-size:clamp(2.1rem,8vw,3.5rem)}.exercise-redesign .track-landing__visual{min-height:280px}.exercise-redesign .track-timeline,.exercise-redesign .track-topic-cloud{grid-template-columns:1fr}.exercise-redesign .track-topic-cloud a{min-height:80px}.exercise-method__steps{grid-template-columns:repeat(2,minmax(0,1fr))}.exercise-redesign .exercise-hub-hero__stats span{min-width:0}.exercise-redesign .exercise-hub-hero__stats strong{font-size:2rem}.exercise-redesign .exercise-hub-hero__stats small{font-size:.875rem}.exercise-roadmap-art img{border-radius:14px}}.track-tier-badge{letter-spacing:.02em;white-space:nowrap;border-radius:999px;align-items:center;padding:.18rem .55rem;font-size:.68rem;font-weight:700;display:inline-flex}.track-tier-badge--easy{color:#127c4b;background:#e6f9ed;border:1px solid #b7edc8}.track-tier-badge--medium{color:#945800;background:#fef5dc;border:1px solid #f9e29f}.track-tier-badge--hard{color:#9c2759;background:#fbebf3;border:1px solid #f4c2db}.track-topic-btn-title{text-align:left;flex:1;align-items:center;gap:.45rem;min-width:0;display:flex}.track-topic-btn-title>span:nth-child(2){text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.track-topic-order{color:#8fa0b5;font-size:.75rem;font-weight:700}.track-library__group-title-wrap{align-items:center;gap:.6rem;display:flex}.track-subparts-card{background:#fff;border:1px solid #dbe6f5;border-radius:20px;margin-bottom:1.5rem;padding:1.35rem 1.5rem;box-shadow:0 4px 20px #0f2a4a0a}.track-subparts-card__header{margin-bottom:1.25rem}.track-subparts-card__header>div{flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:.4rem;display:flex}.track-subparts-card__header h3{color:#0d223a;margin:0;font-size:1.05rem;font-weight:800}.track-subparts-card__header p{color:#556c88;margin:0;font-size:.825rem;line-height:1.5}.track-subparts-list{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:.75rem;margin-bottom:1.25rem;display:grid}.track-subpart-item{background:#f8fafc;border:1px solid #e8eff7;border-radius:14px;gap:.75rem;padding:.85rem 1rem;transition:transform .15s,border-color .15s,box-shadow .15s;display:flex}.track-subpart-item:hover{border-color:var(--track-accent,#1a73e8);transform:translateY(-2px);box-shadow:0 4px 12px #1678ee14}.track-subpart-num{width:26px;height:26px;color:var(--track-accent-dark,#0b2c68);background:#e7effa;border-radius:8px;flex-shrink:0;place-items:center;font-size:.75rem;font-weight:800;display:grid}.track-subpart-body{flex:1;min-width:0}.track-subpart-title-row{justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.3rem;display:flex}.track-subpart-title-row strong{color:#142a45;font-size:.825rem;font-weight:750;line-height:1.35}.track-subpart-body p{color:#5a718c;margin:0;font-size:.75rem;line-height:1.45}.track-recommended-basics{background:#fbf9ec;border:1px solid #f3e6a8;border-radius:14px;padding:1rem 1.25rem}.track-recommended-basics__title{color:#8c5d00;align-items:center;gap:.5rem;margin-bottom:.4rem;display:flex}.track-recommended-basics__title h4{margin:0;font-size:.88rem;font-weight:800}.track-recommended-basics__desc{color:#745610;margin:0 0 .75rem;font-size:.785rem;line-height:1.45}.track-recommended-basics__list{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.5rem 1rem;margin:0;padding:0;list-style:none;display:grid}.track-recommended-basics__list li{color:#4b3d0a;align-items:flex-start;gap:.45rem;font-size:.775rem;line-height:1.4;display:flex}.track-recommended-basics__list li svg{color:#0b9e58;flex-shrink:0;margin-top:.15rem}.track-all-topics-guide{background:var(--track-soft,#f0f7ff);border:1px solid #1678ee33;border-radius:16px;margin-bottom:1.35rem;padding:1rem 1.25rem}.track-all-topics-guide__inner{color:var(--track-accent-dark,#0b2c68);align-items:flex-start;gap:.85rem;display:flex}.track-all-topics-guide__inner svg{color:var(--track-accent,#1678ee);flex-shrink:0;margin-top:.1rem}.track-all-topics-guide__inner strong{margin-bottom:.25rem;font-size:.88rem;font-weight:800;display:block}.track-all-topics-guide__inner p{color:#445d7a;margin:0;font-size:.785rem;line-height:1.45}.track-library{--library-ink:#0a205c;background:linear-gradient(135deg,#f8fcff 0%,#eef7ff 52%,#fff7fb 100%)}.track-library__hero{isolation:isolate;background:radial-gradient(circle at 7% 18%,#4aa8ff47,#0000 25%),radial-gradient(circle at 94% 4%,#ff78ad3d,#0000 29%),linear-gradient(120deg,#edf8ff 0%,#fffaff 58%,#f4f0ff 100%);border-bottom:0;padding:clamp(1.25rem,3vw,3rem) 0 3.2rem;position:relative}.track-library__hero>.library-container{z-index:1;position:relative}.track-library__hero-card{isolation:isolate;background:#ffffffe8;border:1px solid #c8e0ff;border-radius:30px;padding:clamp(1.15rem,2.8vw,2.6rem);position:relative;overflow:hidden;box-shadow:0 20px 56px #2a68b81a}.track-library__hero-card:before,.track-library__hero-card:after{z-index:-1;content:"";pointer-events:none;border-radius:50%;display:block;position:absolute}.track-library__hero-card:before{background:radial-gradient(circle,#ffadd659,#ffadd600 69%);width:390px;height:390px;top:-190px;right:-80px}.track-library__hero-card:after{background:radial-gradient(circle,#4fadff47,#4fadff00 70%);width:360px;height:360px;bottom:-180px;left:-120px}.track-library__hero-topline{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.track-library__hero-topline .track-back-link{color:#1678ee;background:#f5faff;border-color:#a9d2ff;box-shadow:0 8px 22px #1678ee14}.track-library__hero-note{color:#536da6;letter-spacing:.17em;text-align:right;text-transform:uppercase;font-size:.64rem;font-weight:800;line-height:1.4}.track-library__hero-content{z-index:1;grid-template-columns:minmax(0,1.06fr) minmax(300px,.74fr);gap:clamp(1.5rem,4vw,3rem);margin-top:1.75rem;position:relative}.track-library__heading{align-items:center;gap:1rem;margin-top:0}.track-library__heading-mark{background:linear-gradient(145deg,#e8f4ff,#fff);border:1px solid #bddcff;border-radius:22px;flex-basis:76px;width:76px;height:76px;box-shadow:0 12px 26px #1678ee21}.track-library__heading-mark img{width:58px;height:58px}.track-library__heading h1{color:var(--library-ink);font-size:clamp(2.35rem,4.3vw,4.3rem);line-height:1.05}.track-library__heading h1 span{color:#147cf2}.track-library__heading p:last-child{font-size:1rem;line-height:1.75}.track-library__hero-image{background:linear-gradient(145deg,#0a205c,#1678ee 60%,#8b42e7);border:1px solid #ffffffc7;border-radius:24px;min-height:250px;box-shadow:0 18px 38px #1650a02e}.track-library__hero-image img{object-position:center}.track-library__stats{z-index:1;border-top:0;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:clamp(1.6rem,2.6vw,2.5rem);padding-top:0;display:grid;position:relative}.track-library__metric-card{border:1px solid var(--metric-border);background:linear-gradient(105deg, var(--metric-soft), #fff 84%);border-radius:18px;align-items:center;gap:1rem;min-height:104px;padding:1.05rem 1.2rem;display:flex;position:relative;overflow:hidden}.track-library__metric-card:after{background:var(--metric-glow);content:"";pointer-events:none;border-radius:50%;width:150px;height:150px;position:absolute;bottom:-56px;right:-35px}.track-library__metric-card:first-child{--metric-accent:#1678ee;--metric-soft:#eaf4ff;--metric-border:#b9dcff;--metric-icon-bg:#d6eaff;--metric-glow:#1678ee1c}.track-library__metric-card:nth-child(2){--metric-accent:#e6531d;--metric-soft:#fff0e7;--metric-border:#ffd1bd;--metric-icon-bg:#ffe0ce;--metric-glow:#f2751e1f}.track-library__metric-card:nth-child(3){--metric-accent:#6d38dc;--metric-soft:#f2edff;--metric-border:#d8c7ff;--metric-icon-bg:#e6d9ff;--metric-glow:#6d38dc1c}.track-library__metric-icon{z-index:1;background:var(--metric-icon-bg);width:58px;height:58px;color:var(--metric-accent);border-radius:18px;flex:0 0 58px;place-items:center;display:grid;position:relative}.track-library__metric-card>span:last-child{z-index:1;gap:.22rem;display:grid;position:relative}.track-library__metric-card strong{color:var(--metric-accent);letter-spacing:-.06em;margin-right:0;font-size:clamp(2rem,3.2vw,3rem);line-height:1}.track-library__metric-card small{color:#566b8c;font-size:.78rem;font-weight:700}.track-library__timeline{z-index:1;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1rem;margin-top:2.3rem;padding-top:1.3rem;display:grid;position:relative}.track-library__timeline-line{background:linear-gradient(90deg,#1684f5 0%,#ff7a1a 34%,#7b43ef 67%,#13b8d1 100%);border-radius:999px;height:4px;top:39px;left:5%;right:5%}.track-library__timeline-step{text-align:center;place-items:start center;gap:.72rem;min-width:0;display:grid}.track-library__timeline-step--1{--stage-accent:#1684f5;--stage-soft:#e5f2ff}.track-library__timeline-step--2{--stage-accent:#ff7a1a;--stage-soft:#fff0e4}.track-library__timeline-step--3{--stage-accent:#7137e8;--stage-soft:#f1e9ff}.track-library__timeline-step--4{--stage-accent:#10b8d2;--stage-soft:#e4fbff}.track-library__timeline-step--5{--stage-accent:#ec4f8a;--stage-soft:#ffebf4}.track-library__timeline-step--6{--stage-accent:#35a56b;--stage-soft:#e8faef}.track-library__timeline-step>.track-library__timeline-number,.track-library__timeline-step>.track-library__timeline-icon{z-index:2;place-items:center;display:grid;position:relative}.track-library__timeline-step>.track-library__timeline-number{background:var(--stage-accent);width:50px;height:50px;box-shadow:0 9px 18px color-mix(in srgb, var(--stage-accent) 25%, transparent);color:#fff;border:5px solid #fff;border-radius:50%;flex:0 0 50px;font-size:1rem;font-weight:800}.track-library__timeline-step>.track-library__timeline-icon{background:var(--stage-soft);width:56px;height:56px;color:var(--stage-accent);border:0;border-radius:17px;flex:0 0 56px}.track-library__timeline-copy{min-width:0}.track-library__timeline-copy strong,.track-library__timeline-copy small{display:block}.track-library__timeline-copy strong{color:var(--library-ink);padding-top:.08rem;font-size:.83rem;line-height:1.25}.track-library__timeline-copy small{color:#71849f;max-width:205px;margin:.25rem auto 0;font-size:.7rem;line-height:1.55}.track-library__spotlight{background:linear-gradient(110deg,#eef7ff 0%,#fff 54%,#fff4e7 100%);border:1px solid #c8e0ff;border-radius:22px;min-height:156px;margin-bottom:1.5rem;padding:1.4rem 1.5rem;position:relative;overflow:hidden;box-shadow:0 16px 36px #2a68b814}.track-library__spotlight>div:first-child{z-index:2;position:relative}.track-library__spotlight .track-eyebrow{color:#1678ee;background:#e8f3ff;border-radius:999px;align-items:center;gap:.35rem;margin-bottom:.4rem;padding:.38rem .6rem;font-size:.67rem;display:inline-flex}.track-library__spotlight h2{font-size:clamp(1.3rem,2.4vw,2rem)}.track-library__spotlight>div:first-child>p:last-child{font-size:.85rem;line-height:1.55}.track-library__spotlight-art{z-index:1;opacity:.75;pointer-events:none;width:150px;position:absolute;bottom:-38px;right:135px}.track-library__spotlight-art img{width:100%;height:auto;display:block}.track-library__spotlight>a{z-index:2;min-height:42px;box-shadow:0 10px 20px color-mix(in srgb, var(--track-accent) 20%, transparent);border-radius:12px;position:relative}@media (max-width:1050px){.track-library__hero-content{grid-template-columns:1fr}.track-library__hero-image{min-height:230px}.track-library__timeline{grid-template-columns:repeat(3,minmax(0,1fr))}.track-library__timeline-line{display:none}}@media (max-width:680px){.track-library__hero{padding:1.25rem 0 2rem}.track-library__hero-card{border-radius:24px;padding:1rem}.track-library__hero-note{display:none}.track-library__hero-content{gap:1.4rem;margin-top:1.3rem}.track-library__heading{align-items:flex-start;gap:.75rem}.track-library__heading-mark{border-radius:15px;flex-basis:54px;width:54px;height:54px}.track-library__heading-mark img{width:40px;height:40px}.track-library__heading h1{font-size:clamp(2rem,10vw,3.1rem)}.track-library__heading p:last-child{font-size:.84rem}.track-library__hero-image{min-height:190px}.track-library__stats{grid-template-columns:1fr;gap:.7rem}.track-library__metric-card{min-height:84px}.track-library__timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem .7rem;margin-top:1.7rem;padding-top:0;display:grid;overflow:visible}.track-library__timeline-step{gap:.55rem}.track-library__timeline-step>.track-library__timeline-number{border-width:4px;flex-basis:42px;width:42px;height:42px;font-size:.9rem}.track-library__timeline-step>.track-library__timeline-icon{border-radius:14px;flex-basis:48px;width:48px;height:48px}.track-library__timeline-copy strong{font-size:.82rem}.track-library__timeline-copy small{font-size:.7rem}.track-library__spotlight{min-height:0;padding:1.15rem}.track-library__spotlight-art{opacity:.25;width:120px;bottom:-34px;right:-22px}.track-library__spotlight>a{justify-content:center;width:100%}}
