:root{
  --navy:#0b1d2b;--navy-2:#12384b;--red:#b84d34;--ink:#142331;--muted:#536574;
  --line:#d7e1e7;--paper:#fbfdfe;--ice:#edf5f7;--gold:#75e6da;
  --shadow:0 20px 60px rgba(7,29,43,.14)
}
body{background:var(--paper);color:var(--ink);font-size:1rem;line-height:1.65}
a{transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease}
.site-header{height:76px;padding-inline:clamp(1.1rem,5vw,5rem);gap:1.1rem;border-bottom-color:rgba(215,225,231,.8);box-shadow:0 6px 24px rgba(12,34,47,.035)}
.brand{color:var(--navy);gap:.65rem;font-size:.96rem;letter-spacing:-.035em}
.brand-mark{width:39px;height:39px;border-radius:12px;background:var(--navy);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);letter-spacing:.02em}
.site-header nav{gap:clamp(1rem,2.5vw,2rem)}
.site-header nav a,.text-link{font-size:.93rem;font-weight:700;color:#405260}
.site-header nav a:hover,.text-link:hover{color:#ce5035}
.button{border-radius:12px;background:var(--red);color:white;padding:.93rem 1.25rem;box-shadow:0 9px 22px rgba(240,107,77,.2);font-weight:800}
.button:hover{background:#a9412c;transform:translateY(-2px);box-shadow:0 13px 28px rgba(240,107,77,.28)}
.button-small{padding:.68rem .95rem}
.kit-menu summary{border-color:var(--line);border-radius:12px;background:#fff;font-size:.91rem}
.kit-menu summary::after{content:'+';font-weight:600}
.kit-menu[open] summary::after{content:'−'}
.kit-menu-panel{border-color:#cfdae1;border-radius:18px;padding:.6rem;box-shadow:0 22px 65px rgba(7,29,43,.18)}
.kit-menu-panel a{border-radius:12px;padding:.8rem}
.kit-menu-panel a:hover,.kit-menu-panel a.active{background:#eef6f7}
.eyebrow{color:#a9412c;font-size:.73rem;letter-spacing:.16em}
.hero{background:linear-gradient(112deg,#fff 0 57%,#edf5f6 57%);padding-block:clamp(4rem,7vw,7rem);min-height:650px}
.hero h1{color:var(--navy);font-size:clamp(3rem,5.6vw,5.7rem);letter-spacing:-.065em}
.hero-lede,.problem-copy,.section-heading>p:last-child,.purchase-section>div>p:last-child{color:#526473}
.product-stage{min-height:510px}
.book-card{border-radius:8px 24px 24px 8px;background:linear-gradient(150deg,#17445b,#081b2a 76%);box-shadow:0 28px 80px rgba(8,31,46,.26)}
.workbook-card,.price-card{border-radius:20px;box-shadow:0 22px 58px rgba(8,31,46,.13)}
.format-chip{border-radius:999px;background:var(--red)}
.proof-strip{background:#0a1b29;padding-block:1.35rem}
.proof-strip strong{color:#75e6da}
.problem-section,.contents,.workflow-section,.audience-section,.purchase-section,.faq-section{padding-block:clamp(4.25rem,8vw,7.5rem)}
.problem-section h2,.section-heading h2,.audience-section h2,.purchase-section h2{color:var(--navy);letter-spacing:-.05em}
.contents{background:#f0f6f7}
.detail-card{border-radius:25px;box-shadow:0 12px 32px rgba(8,31,46,.07)}
.detail-card.handbook{background:linear-gradient(145deg,#12384b,#081c2b)}
.detail-card.workbook{border-color:#dce5e9;box-shadow:0 12px 32px rgba(8,31,46,.05)}
.detail-card.testbank{border-color:#cfe6e2;background:linear-gradient(130deg,#e6f5f3,#fff)}
.card-label{color:#8de4dc}
.testbank .card-label,.workbook .card-label{color:#a9412c}
.workflow-section{background:#fff}
.timeline{border:0;border-radius:22px;overflow:hidden;box-shadow:0 10px 30px rgba(8,31,46,.07);background:#dbe5e8;gap:1px}
.timeline li{padding:2rem;background:#fff}
.timeline li>span{color:#a9412c}
.timeline h3{color:var(--navy)}
.audience-section{background:#0c2635}
.audience-card,.not-for-card{border-radius:22px}
.audience-section h2{color:#fff}
.purchase-section{background:linear-gradient(125deg,#f5f9fa,#e7f1f3)}
.price-card{border:1px solid #d8e3e8}
.price{color:var(--navy)}
.faq-list details{border-color:#d7e1e7}
summary{color:var(--navy)}
summary::after{color:#a9412c}
footer{padding-block:2.25rem;border-color:#d8e3e8;color:#5b6c78;font-size:.84rem}
.beta-banner,.mri-store-banner{padding-block:.9rem;gap:1.2rem}
.beta-banner{background:linear-gradient(100deg,#081c2a,#12384b)}
.mri-store-banner{background:linear-gradient(100deg,#202c54,#354c82)}
.beta-banner a,.mri-store-banner a{border-radius:11px;text-decoration:none}
.dialog-close-action{background:#edf3f5;color:var(--navy);box-shadow:none}
.dialog-close-action:hover{background:#dfeaec;box-shadow:none}

.cover-page{background:#f7fafb}
.cover-header{z-index:25}
.cover-header .brand{margin-right:auto}
.cover-hero{display:grid;grid-template-columns:minmax(0,.92fr) minmax(400px,1.08fr);gap:clamp(2.5rem,6vw,6.5rem);align-items:center;min-height:640px;padding:clamp(3.8rem,7vw,6.5rem) clamp(1.25rem,7vw,7.5rem);background:linear-gradient(110deg,#f7fafb 0 50%,#e9f1f3 50%)}
.cover-copy{max-width:610px;position:relative;z-index:1}
.cover-copy h1{font-size:clamp(3.8rem,7vw,6.7rem);line-height:.94;letter-spacing:-.075em;color:#0b1d2b;margin:0 0 1.4rem}
.cover-lede{max-width:565px;font-size:clamp(1.08rem,1.5vw,1.22rem);line-height:1.7;color:#516472;margin:0 0 2rem}
.cover-actions{display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap}
.cover-note{display:flex;align-items:center;gap:.7rem;margin-top:2.1rem;color:#475b68;font-size:.9rem;font-weight:650}
.cover-note-mark{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#d8f2ed;color:#176d67;font-size:.82rem;font-weight:900}
.cover-visual{position:relative;min-height:445px;border-radius:28px;overflow:hidden;background:#081a27;box-shadow:0 30px 75px rgba(8,31,46,.2)}
.cover-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,19,29,.15),transparent 42%),linear-gradient(0deg,rgba(5,19,29,.68),transparent 30%);pointer-events:none}
.cover-visual img{width:100%;height:100%;min-height:445px;position:absolute;inset:0;object-fit:cover;object-position:center}
.visual-caption{position:absolute;z-index:1;bottom:1.2rem;left:1.3rem;display:flex;align-items:center;gap:.65rem;color:#fff;font-size:.67rem;font-weight:850;letter-spacing:.15em}
.visual-caption i{width:4px;height:4px;border-radius:50%;background:#75e6da}
.tracks-section{padding:clamp(4.5rem,8vw,7rem) clamp(1.25rem,7vw,7.5rem);background:#fff}
.track-heading{display:flex;justify-content:space-between;align-items:end;gap:2rem;max-width:1180px;margin:0 auto 2rem}
.track-heading h2,.approach-intro h2,.demo-band h2{font-size:clamp(2.5rem,4.7vw,4rem);line-height:1.02;letter-spacing:-.06em;color:var(--navy);margin:.25rem 0}
.track-heading>p{max-width:440px;color:#526473;margin:0 0 .4rem;font-size:1rem}
.track-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:1rem}
.track-card{position:relative;grid-column:span 2;display:flex;flex-direction:column;min-height:260px;padding:1.4rem 1.45rem 1.25rem;border:1px solid #dce5e9;border-radius:20px;background:#fff;color:var(--ink);text-decoration:none;box-shadow:0 7px 20px rgba(8,31,46,.035)}
.track-card:nth-child(4){grid-column:2/span 2}
.track-card:hover{transform:translateY(-4px);border-color:#a8bec7;box-shadow:0 20px 42px rgba(8,31,46,.1)}
.track-code{position:absolute;top:1.2rem;right:1.25rem;display:grid;place-items:center;min-width:42px;height:42px;padding:0 .45rem;border-radius:13px;background:#e8f1f3;color:#0b3346;font-weight:900;letter-spacing:-.04em}
.track-type{color:#61737f;font-size:.67rem;font-weight:900;letter-spacing:.14em;padding-right:3.6rem}
.track-card h3{margin:1rem 0 .45rem;color:var(--navy);font-size:1.55rem;line-height:1.1;letter-spacing:-.04em}
.track-card p{margin:0 0 1.3rem;color:#586b78;font-size:.94rem;line-height:1.55}
.track-link{margin-top:auto;color:#a9412c;font-size:.88rem;font-weight:850}
.track-rad .track-code{background:#e3f3f2;color:#176b68}.track-us .track-code{background:#e7f2fa;color:#285f87}.track-mam .track-code{background:#f4eaf3;color:#804b77}.track-ct .track-code{background:#f8eee3;color:#8b5429}.track-mri .track-code{background:#eceafd;color:#514890}
.approach-section{display:grid;grid-template-columns:1fr 1fr;gap:clamp(3rem,9vw,9rem);padding:clamp(4.5rem,8vw,7rem) clamp(1.25rem,7vw,7.5rem);background:#0b2231;color:#fff}
.approach-intro{max-width:560px}.approach-intro h2{color:#fff}.approach-intro>p:last-child{max-width:500px;color:#bfced6;font-size:1.05rem}
.approach-list{display:grid;align-content:center}.approach-list article{display:grid;grid-template-columns:52px 1fr;gap:1rem;padding:1.15rem 0;border-bottom:1px solid rgba(255,255,255,.16)}
.approach-list article:first-child{border-top:1px solid rgba(255,255,255,.16)}
.approach-list article>span{color:#75e6da;font-size:.77rem;font-weight:900;letter-spacing:.08em;padding-top:.25rem}
.approach-list h3{margin:0 0 .25rem;color:#fff;font-size:1.16rem}
.approach-list p{margin:0;color:#bdcbd3;font-size:.94rem}
.demo-band{display:flex;justify-content:space-between;align-items:center;gap:2rem;padding:3rem clamp(1.25rem,7vw,7.5rem);background:#e9f2f4}
.demo-band .eyebrow{margin-bottom:.5rem}.demo-band h2{font-size:clamp(2.2rem,4vw,3rem)}.demo-band>div>p:last-child{color:#5b6d78;margin:.25rem 0 0}
.demo-actions{display:flex;gap:.8rem;flex-wrap:wrap}.button-dark{background:#0b2737;box-shadow:none}.button-dark:hover{background:#17465b;box-shadow:none}.button-outline{background:transparent;color:#0b2737;border:1px solid #a9bdc6;box-shadow:none}.button-outline:hover{background:#fff;color:#0b2737;border-color:#829da9;box-shadow:none}
.independent-note{display:grid;grid-template-columns:220px 1fr;gap:1rem;padding:1.5rem clamp(1.25rem,7vw,7.5rem);background:#f7fafb;color:#677782;font-size:.82rem}
.independent-note span{font-weight:900;letter-spacing:.09em;color:#425866;font-size:.7rem;padding-top:.2rem}.independent-note p{margin:0;max-width:920px}
.cover-footer{grid-template-columns:1fr auto;gap:1rem 2rem;background:#fff}.cover-footer .brand{grid-row:span 2}.cover-footer p{margin:0}.cover-footer>span{justify-self:end;font-size:.78rem}
@media(max-width:1000px){.cover-hero{grid-template-columns:1fr;gap:2.5rem;background:linear-gradient(180deg,#f7fafb 0 52%,#e9f1f3 52%)}.cover-copy{max-width:760px}.cover-visual{min-height:380px}.cover-visual img{min-height:380px}.track-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.track-card,.track-card:nth-child(4){grid-column:auto}.track-card:last-child{grid-column:1/-1}.cover-header nav{display:none}.track-heading{align-items:start;flex-direction:column;gap:.5rem}.approach-section{grid-template-columns:1fr;gap:2rem}}
@media(max-width:650px){.site-header{height:68px}.cover-header{padding-inline:.9rem}.cover-header .brand{font-size:.9rem}.cover-header .brand-mark{width:34px;height:34px}.cover-hero{padding:3.3rem 1.1rem 2rem;gap:2rem}.cover-copy h1{font-size:clamp(3.2rem,15vw,4.4rem)}.cover-actions{align-items:stretch;flex-direction:column}.cover-actions .button{text-align:center}.cover-visual,.cover-visual img{min-height:280px}.cover-visual{border-radius:20px}.visual-caption{font-size:.6rem;left:.9rem;bottom:.9rem}.tracks-section{padding:3.5rem 1.1rem}.track-grid{grid-template-columns:1fr}.track-card,.track-card:last-child{grid-column:auto;min-height:230px}.track-heading h2,.approach-intro h2{font-size:2.7rem}.approach-section{padding:3.5rem 1.1rem}.demo-band{align-items:stretch;flex-direction:column;padding:2.3rem 1.1rem}.demo-actions{flex-direction:column}.demo-actions .button{text-align:center}.independent-note{grid-template-columns:1fr;gap:.4rem;padding:1.25rem 1.1rem}.cover-footer{grid-template-columns:1fr;padding:1.5rem 1.1rem}.cover-footer .brand{grid-row:auto}.cover-footer>span{justify-self:start}.site-header .button-small{padding:.58rem .68rem;font-size:.83rem}}
@media(prefers-reduced-motion:reduce){a{transition:none}}

.cover-brand-lockup{display:flex;align-items:center;gap:.62rem;margin-right:auto;position:relative}
.cover-brand-name{color:var(--navy);font-size:.96rem;font-weight:850;letter-spacing:-.035em;text-decoration:none;white-space:nowrap}
.quick-access{position:relative}
.quick-access>summary{display:flex;align-items:center;gap:.24rem;padding:0;border:0;background:transparent;list-style:none;cursor:pointer}
.quick-access>summary::-webkit-details-marker{display:none}
.quick-access>summary::after{content:none}
.quick-access .brand-mark{transition:background-color .18s ease,transform .18s ease}
.quick-access>summary:hover .brand-mark{background:#17465b;transform:translateY(-1px)}
.quick-access-indicator{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid #536574;transition:transform .18s ease}
.quick-access[open] .quick-access-indicator{transform:rotate(180deg)}
.quick-access-panel{position:absolute;z-index:40;left:0;top:calc(100% + .72rem);width:min(292px,calc(100vw - 1.5rem));padding:.85rem;background:#fff;border:1px solid #d4e0e5;border-radius:17px;box-shadow:0 22px 64px rgba(7,29,43,.2);display:grid;gap:.18rem}
.quick-access-heading{margin:.1rem .65rem .35rem;color:var(--navy);font-size:1.02rem;font-weight:850;letter-spacing:-.02em}
.quick-access-label{margin:.5rem .65rem .18rem;color:#536a77;font-size:.69rem;font-weight:900;letter-spacing:.13em}
.quick-access-second-label{margin-top:.8rem;padding-top:.7rem;border-top:1px solid #e4ecef}
.quick-access-panel a{display:block;padding:.52rem .65rem;border-radius:9px;color:#233846;font-size:.91rem;font-weight:650;text-decoration:none}
.quick-access-panel a:hover{background:#edf5f6;color:#0b1d2b}
@media(max-width:650px){.cover-brand-lockup{gap:.42rem}.cover-brand-name{font-size:.88rem}.quick-access .brand-mark{width:34px;height:34px}.quick-access-panel{top:calc(100% + .62rem)}}