:root{font-family:Inter,Pretendard,"Noto Sans KR",system-ui,sans-serif;color:#1c2a40;background:#f7f8f9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}a{color:inherit;text-decoration:none}button,select,textarea{font:inherit}button,a,select,textarea{outline-offset:3px}.wrap{width:min(1120px,calc(100% - 36px));margin:auto}.skip{position:absolute;top:-100px;padding:12px;background:white}.skip:focus{top:0}header{position:sticky;top:0;z-index:4;background:#f7f8f9;border-bottom:1px solid #dce0e6}.nav{height:70px;display:flex;align-items:center;justify-content:space-between;gap:15px}.brand{display:flex;align-items:center;gap:10px;font-weight:850;white-space:nowrap}.logo{background:#1a3255;color:#fff;padding:7px 12px;border-radius:8px;font-size:22px}nav{display:flex;gap:22px;font-weight:700;font-size:13px;color:#445063}#language{border:1px solid #c2c9d3;border-radius:22px;padding:8px 13px;background:transparent;cursor:pointer}.hero{background:radial-gradient(circle at 85% 20%,#e1e6ed,transparent 46%),#f7f8f9;padding:100px 0}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.kicker{font-size:11px;font-weight:850;letter-spacing:.15em;color:#245dc6;margin-bottom:25px}h1{font-size:clamp(36px,5vw,65px);line-height:1.25;letter-spacing:-.05em;word-break:keep-all;margin:0 0 24px}h1 em{font-style:normal;color:#245dc6}.intro{font-size:16px;line-height:1.9;color:#576579;max-width:535px}.buttons{margin:28px 0 22px}.primary{display:inline-flex;justify-content:center;align-items:center;background:#245dc6;border:0;border-radius:8px;padding:16px 20px;color:white;font-weight:750;font-size:14px;cursor:pointer}.primary:hover{background:#122b50}.secondary{font-size:13px;margin-left:20px;font-weight:750}.sub{font-size:12px;color:#708098}.math-card{border:1px solid #e4e7eb;border-radius:18px;padding:30px;background:white;box-shadow:0 28px 60px #27374f18;min-height:380px}.math-card small{color:#97a3b4;font-size:10px;letter-spacing:.16em}.equation{text-align:center;font:35px Georgia,serif;margin:60px 0 30px}.math-step{display:flex;align-items:center;gap:15px;padding:17px 8px;border-bottom:1px solid #edeef0}.math-step span{color:#a5afbd;font-size:12px}.math-step b{margin-left:auto;color:#245dc6}.hint{margin-top:34px;padding:15px;background:#f0f2f5;border:1px solid #d6dde8;border-radius:9px;color:#2c4770;font-size:12px}.section{padding:100px 0}.section h2{font-size:clamp(28px,3.5vw,42px);line-height:1.4;letter-spacing:-.045em;word-break:keep-all;margin:0 0 18px}.section-intro{line-height:1.9;color:#617086}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}.cards article{background:white;border:1px solid #e0e4ea;border-radius:12px;min-height:235px;padding:30px}.cards small{color:#245dc6;font-size:11px;font-weight:850;letter-spacing:.13em}.cards h3{font-size:19px;margin:33px 0 15px}.cards p{font-size:14px;line-height:1.85;color:#616f85;margin:0}.alt{background:#eff1f3}.dark{background:#172740;color:white}.dark .kicker{color:#9cb3d5}.consult-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:58px}.dark p{line-height:1.85;color:#ced4de;font-size:14px}.privacy{margin-top:35px;border-left:2px solid #819dc8;padding-left:17px}.privacy strong{font-size:14px}form{background:#fff;color:#1c2a40;border-radius:14px;padding:29px}.form-head{display:flex;justify-content:space-between;align-items:start;gap:12px;margin-bottom:24px}.form-head h3{font-size:19px;margin:0}.form-head span{border:1px solid #c8d2e0;border-radius:20px;color:#4c6385;padding:6px 9px;font-size:10px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:17px}label{display:block;margin:13px 0}label span{display:block;font-size:12px;font-weight:750;margin-bottom:9px}select,textarea{padding:12px;width:100%;background:#f8f9fb;border:1px solid #dde1e7;border-radius:7px;color:#28374e}select:focus,textarea:focus{outline:2px solid #245dc6}textarea{resize:vertical}.full{width:100%;margin-top:10px}.dark .fine{font-size:11px;text-align:center;color:#6c7c95}#message{padding:12px;background:#f0f2f6;color:#234982;border-radius:7px}#preview{padding:16px;background:#eff1f5;color:#253855;border-radius:8px;line-height:1.8;white-space:pre-wrap;word-break:break-word}footer{background:#121e31;color:#9ca7b8}.foot{display:flex;justify-content:space-between;gap:20px;padding:27px 0;font-size:12px}@media(max-width:800px){.hero-grid,.consult-grid{grid-template-columns:1fr}.hero,.section{padding:65px 0}.cards{grid-template-columns:1fr 1fr}}@media(max-width:560px){nav a:not(:last-child){display:none}.brand{font-size:13px}.hero{padding:55px 0}h1{font-size:39px}.math-card{padding:22px;min-height:330px}.equation{font-size:29px;margin:40px 0}.cards,.fields{grid-template-columns:1fr}.cards article{min-height:0}.secondary{display:block;margin:15px 0}.form-head{flex-direction:column}form{padding:23px 17px}.foot{flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Permission-gated social proof: no fake star ratings or fabricated quotes. */
.social-proof{background:linear-gradient(135deg,#e9ecf0 0%,#f5f6f7 65%,#edf0f4 100%)}
.review-intro{display:flex;align-items:end;justify-content:space-between;gap:25px}
.review-intro>div{max-width:760px}
.review-count{white-space:nowrap;font-weight:750;font-size:12px;color:#294062;margin-bottom:20px}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:32px}
.review-grid[hidden],.review-empty[hidden]{display:none}
.testimonial-card{display:flex;flex-direction:column;gap:20px;min-width:0;background:white;border-radius:15px;border:1px solid #d7dde7;box-shadow:0 12px 35px #1a263720;padding:27px}
.review-stars{margin:0;color:#638fd2;letter-spacing:3px;font-size:17px}
.review-quote{margin:0;line-height:1.85;font-size:15px;color:#26354b;white-space:pre-line;overflow-wrap:anywhere;flex:1}
.review-meta{display:flex;justify-content:space-between;align-items:end;gap:15px;border-top:1px solid #e5e8ed;padding-top:16px;color:#6b7b93;font-size:12px}
.review-meta a{color:#15325d;font-weight:800;white-space:nowrap;text-decoration:underline;text-underline-offset:4px}
.review-empty{display:flex;gap:18px;align-items:center;margin-top:25px;max-width:820px;padding:26px 30px;background:#fff;border:1px dashed #bbc4d1;border-radius:15px}
.review-pending-icon{display:grid;place-items:center;border-radius:13px;width:56px;height:56px;background:#e7eaef;color:#2b4977;font-size:26px;flex-shrink:0}
.review-empty strong{font-size:17px;color:#1e314d}
.review-empty p{margin:8px 0 0;line-height:1.8;color:#64738a;font-size:13px}
@media(max-width:900px){.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.review-intro{display:block}.review-empty{padding:18px;align-items:start}.review-pending-icon{width:44px;height:44px}.review-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding:5px 2px 18px}.testimonial-card{min-width:min(88vw,325px);scroll-snap-align:start}.review-meta{flex-direction:column;align-items:start}.review-count{display:block}}

.review-source-row{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin:25px 0 8px}
.review-source-link{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:12px 19px;background:#245dc6;border-radius:9px;color:white;font-weight:800;font-size:14px;line-height:1.4;transition:background .2s ease}
.review-source-link:hover{background:#142a4c}
.review-source-link:focus-visible{outline:3px solid #6690ce;outline-offset:3px}
.review-source-note{font-size:12px;line-height:1.6;color:#566377}
@media(max-width:560px){.review-source-row{align-items:stretch;flex-direction:column}.review-source-link{width:100%}.review-source-note{font-size:11px}}

.review-summary-snapshot{display:flex;align-items:center;gap:17px;flex-wrap:wrap;margin:22px 0 6px;color:#46546a;font-size:13px}
.review-snapshot-score{font-weight:900;color:#20395f;font-size:25px;line-height:1.2}
.review-snapshot-score span{font-size:15px;letter-spacing:2px;color:#6591d2;vertical-align:3px}
@media(max-width:560px){.review-summary-snapshot{gap:9px}.review-snapshot-score{font-size:22px}}


/* Class pathway, learning tools and evergreen resources */
html{scroll-padding-top:94px}
.diagnostic-flow{margin-top:42px;padding:32px;border:1px solid #cfd5df;border-radius:16px;background:linear-gradient(130deg,#f2f4f7,#fff)}
.diagnostic-flow h3{margin:0 0 10px;font-size:24px;color:#1b3254}
.diagnostic-flow>p{font-size:14px;color:#627188;line-height:1.8;margin:0}
.diagnostic-steps{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.diagnostic-steps li{background:#fff;border:1px solid #dfe4ec;border-radius:11px;padding:18px;min-width:0}
.diagnostic-steps li>span{display:block;color:#1a3f76;font-size:12px;font-weight:900;margin-bottom:14px}
.diagnostic-steps strong{font-size:15px;color:#1e324f;line-height:1.5}
.diagnostic-steps p{font-size:12px;color:#68788f;line-height:1.8;margin:11px 0 0}
.teaching-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin-top:19px}
.teaching-tools article{border:1px solid #dee3ea;border-radius:12px;background:#fff;padding:22px}
.teaching-tools article>span{display:block;font-size:23px;color:#284a7c;margin-bottom:16px}
.teaching-tools strong{font-size:15px;color:#1c2e4a}
.teaching-tools p{font-size:13px;color:#647389;line-height:1.85;margin:12px 0 0}
.resource-section{background:#f8f9fa}
.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:30px 0 22px}
.resource-card{padding:27px;background:#fff;border:1px solid #dbdfe6;border-radius:14px;box-shadow:0 10px 34px #19263a10}
.resource-tag{display:inline-flex;padding:6px 11px;border-radius:30px;background:#ebeef3;font-size:11px;color:#2b4772;font-weight:750}
.resource-card h3{color:#1b2e4a;font-size:20px;line-height:1.5;margin:20px 0 12px}
.resource-card>p,.resource-card details p{color:#606f85;font-size:13px;line-height:1.85}
.resource-card details{border-top:1px solid #e4e7eb;margin-top:22px;padding-top:16px}
.resource-card summary{cursor:pointer;color:#1b3d6f;font-size:13px;font-weight:800;outline-offset:4px}
.resource-card details[open] summary{margin-bottom:15px}
.resource-card details p{margin:12px 0 0;white-space:pre-line}
.resource-future{font-size:12px;line-height:1.8;color:#697990}
form input{font:inherit;display:block;width:100%;padding:12px;background:#f8f9fb;border:1px solid #dde1e7;border-radius:7px;color:#28374e}
form input:focus-visible{outline:2px solid #245dc6}
@media(max-width:940px){.diagnostic-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){
 .diagnostic-flow{padding:20px}.diagnostic-steps,.teaching-tools,.resource-grid{grid-template-columns:1fr}
 .diagnostic-steps li{padding:16px}.diagnostic-flow h3{font-size:20px}
 .resource-card{padding:22px}
 header .nav{height:auto;min-height:80px;display:grid;grid-template-columns:minmax(0,1fr) auto;row-gap:5px;padding-top:7px}
 header .nav .brand{grid-column:1;grid-row:1}
 header .nav #language{grid-column:2;grid-row:1;justify-self:end}
 header .nav nav{grid-column:1 / -1;grid-row:2;display:flex;gap:18px;overflow-x:auto;white-space:nowrap;width:100%;padding:9px 0 12px;scrollbar-width:thin}
 header .nav nav a{display:inline-flex;flex:0 0 auto}
 html{scroll-padding-top:124px}
}

/* Hidden until isolated, legally reviewed intake goes live. Never collect PII in preview. */
.secure-intake-fields[hidden]{display:none!important}
.secure-intake-fields{border:1px solid #ced4de;border-radius:11px;margin:22px 0;padding:17px;background:#f6f7f9}
.secure-intake-fields legend{font-size:15px;font-weight:800;padding:0 8px;color:#1c3356}
.secure-intake-summary{font-size:12px!important;line-height:1.85;color:#44546b!important}
.secure-intake-fields input[type=text]{font:inherit;padding:13px;width:100%;background:#fff;border:1px solid #c0c8d4;border-radius:8px}
.secure-intake-fields .intake-privacy-draft{background:#fff;border:1px solid #d8dee6;border-radius:9px;padding:14px;font-size:12px;line-height:1.85}
.secure-intake-fields .intake-privacy-draft p{color:#566478!important;margin:9px 0 0;font-size:12px!important}
.secure-intake-fields .privacy-check{display:flex;align-items:start;gap:11px;font-size:13px;line-height:1.6}
.secure-intake-fields .privacy-check input{width:18px;height:18px;flex:0 0 auto;margin:0;accent-color:#245dc6}
.secure-intake-fields .privacy-check span{font-size:12px;margin:0;font-weight:500}
#intake-turnstile{margin:14px 0 7px;min-height:0}
@media(max-width:560px){.secure-intake-fields{padding:14px}.secure-intake-fields .fields{grid-template-columns:1fr}}

/* Designated privacy/deletion request mailbox; consultation intake remains a single form. */
.privacy-contact{margin-top:14px;font-size:13px;line-height:1.8}
.privacy-contact a{color:#bacfef;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.privacy-contact a:hover{color:#ffffff}
.privacy-contact a:focus-visible{outline:3px solid #bacfef;outline-offset:3px}

/* Privacy policy draft: explicitly not an active legal notice. */
.policy-page{background:#f7f8fa;padding:56px 0 80px;min-height:75vh}
.policy-wrap{width:min(830px,calc(100% - 36px));margin:auto}
.policy-page h1{font-size:36px;color:#1a2d49;line-height:1.4;margin:12px 0 18px}
.policy-page h1 span{display:inline-block;font-size:16px;font-weight:600;color:#606e84}
.policy-alert{padding:19px 22px;background:#f2f4f6;border:1px solid #aac1e3;border-left:4px solid #537bb6;border-radius:10px;color:#314461;line-height:1.85}
.policy-dates{font-size:13px;color:#6d8179;margin:18px 0 30px}
.policy-wrap section{padding:23px 0;border-bottom:1px solid #dce1e8}
.policy-wrap section h2{font-size:20px;line-height:1.5;color:#1f3659;margin:0 0 12px}
.policy-wrap section p,.policy-checklist p{font-size:14px;line-height:1.9;margin:10px 0;color:#424c5b}
.policy-wrap section a,.policy-back a{color:#245dc6;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.policy-wrap section a:focus-visible,.policy-back a:focus-visible{outline:3px solid #7497cc}
.policy-checklist{background:#eff1f4;border:1px solid #d1d8e3;border-radius:12px;padding:24px;margin-top:32px}
.policy-checklist h2{font-size:19px;color:#1a2d4a}
.policy-back{margin-top:35px}
.privacy-policy-entry{font-size:13px;line-height:1.8;margin-top:11px}
.privacy-policy-entry a{color:#c4d4ed;text-decoration:underline;text-underline-offset:3px}
@media(max-width:640px){.policy-page{padding:34px 0 64px}.policy-page h1{font-size:28px}.policy-wrap section{padding:19px 0}.policy-wrap section h2{font-size:18px}}


/* Parent-first editorial redesign — reviews and concrete teaching before service details. */
:root{--ink:#1c2a40;--accent:#1c3d6f;--muted:#576477}
.hero{background:radial-gradient(circle at 82% 11%,#dde3eb,transparent 39%),linear-gradient(165deg,#f7f8f9 0%,#ebeef3 100%);padding:86px 0 78px}
.hero-grid{grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:clamp(26px,5vw,70px)}
.hero h1{font-size:clamp(36px,4.7vw,60px);line-height:1.26;letter-spacing:-.054em;max-width:700px}
.hero .intro{max-width:580px;font-size:16px;line-height:1.95;color:#4c5869}
.hero .kicker{margin-bottom:18px}
.hero-proof{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}
.hero-proof span{display:inline-flex;align-items:center;min-height:29px;padding:6px 11px;border:1px solid #b7c1d1;border-radius:999px;background:#ffffffb8;color:#263955;font-size:11px;font-weight:750}
.hero .buttons{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin:27px 0 14px}
.hero .secondary{display:inline-flex;margin:0;align-items:center;padding:12px 2px;color:#283b58}
.hero .sub{max-width:525px;font-size:11px;line-height:1.7;color:#697992}
.hero-example{background:#fff;border:1px solid #d4dae3;box-shadow:0 18px 58px #1c2e4913;border-radius:22px;padding:clamp(18px,2.7vw,30px);overflow:hidden;min-width:0}
.example-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.example-chip{border-radius:999px;background:#e8ebf0;color:#183258;font-size:11px;padding:7px 10px;font-weight:800}
.example-synthetic{font-size:10px;color:#617087}
.example-question{font-size:clamp(18px,2vw,23px);font-weight:800;line-height:1.65;letter-spacing:-.035em;margin:25px 0 10px;word-break:keep-all}
.example-symbol{font-family:Cambria,"STIX Two Math",Georgia,serif;font-size:32px;color:#1c2f4b;text-align:center;margin:9px 0 -8px}
.reasoning-graph{display:block;width:100%;height:auto;max-height:207px;margin:auto}
.graph-axis{fill:none;stroke:#9faaba;stroke-width:1.3;opacity:.65}
.graph-curve{fill:none;stroke:#20447a;stroke-width:4;stroke-linecap:round}
.graph-tangent{fill:none;stroke:#6894d5;stroke-width:2.5;stroke-dasharray:5 4}
.graph-point{fill:#6894d5;stroke:#fff;stroke-width:2}
.graph-note{font:14px Georgia,serif;fill:#496da3}
.example-feedback{border-top:1px solid #e3e6eb;background:#f8f9fb;margin:2px -7px -5px;padding:15px 17px;border-radius:12px}
.example-label{display:block;color:#4d617f;font-size:11px;font-weight:800;margin-bottom:9px}
.example-feedback strong{font-size:15px;line-height:1.55;word-break:keep-all}
.example-feedback p{font-size:12px;color:#5c6a7f;line-height:1.7;margin:8px 0 0}
.social-proof{padding-top:80px;padding-bottom:86px}
.social-proof .review-intro h2{font-size:clamp(26px,3.2vw,39px)}
.teaching-section{background:#fff;padding:85px 0 76px}
.teaching-lead{max-width:780px;margin-bottom:24px}
.case-tabs{display:flex;align-items:center;gap:6px;background:#eaecf0;border-radius:15px;padding:6px;width:max-content;max-width:100%;margin:26px 0 0}
.case-tabs button{font:inherit;font-size:13px;line-height:1.4;font-weight:750;border:0;border-radius:10px;padding:12px 18px;cursor:pointer;background:transparent;color:#485364;white-space:nowrap}
.case-tabs button[aria-selected="true"]{background:#fff;color:#1a3358;box-shadow:0 2px 9px #21345115}
.case-tabs button:focus-visible{outline:3px solid #7990b3;outline-offset:2px}
.case-stage{border:1px solid #d7dde5;background:linear-gradient(120deg,#fbfbfc,#f6f7f9);border-radius:18px;padding:clamp(22px,4vw,42px);margin:15px 0 0}
.case-panel[hidden]{display:none}
.case-kind{color:#2b4b7b;font-size:11px;font-weight:800;letter-spacing:.06em}
.case-panel h3{font-size:clamp(21px,2.8vw,29px);line-height:1.48;letter-spacing:-.04em;margin:14px 0}
.case-panel>p{font-size:15px;line-height:1.75;color:#546175;margin:10px 0}
.case-dialogue{margin:24px 0 18px;background:#fff;border-left:4px solid #284776;box-shadow:0 7px 28px #2f3c500b;padding:19px 22px;border-radius:0 12px 12px 0}
.case-dialogue small{display:block;color:#4b607f;font-size:11px;margin-bottom:8px;font-weight:850}
.case-dialogue strong{display:block;font-size:19px;line-height:1.6;letter-spacing:-.025em}
.case-panel .case-insight{font-size:13px;color:#576579}
.case-disclaimer{font-size:11px;line-height:1.8;color:#637289;margin:14px 0 23px}
.method-disclosure,.program-disclosure,.resources-disclosure{border:1px solid #d5dbe3;border-radius:13px;overflow:hidden;background:#fff}
.method-disclosure summary,.program-disclosure summary,.resources-disclosure summary{cursor:pointer;font-size:14px;font-weight:800;color:#2a3d5a;padding:17px 20px;list-style:none;display:flex;align-items:center;justify-content:space-between}
.method-disclosure summary::-webkit-details-marker,.program-disclosure summary::-webkit-details-marker,.resources-disclosure summary::-webkit-details-marker{display:none}
.method-disclosure summary::after,.program-disclosure summary::after,.resources-disclosure summary::after{content:"+";font-size:19px;font-weight:400}
.method-disclosure[open] summary::after,.program-disclosure[open] summary::after,.resources-disclosure[open] summary::after{content:"−"}
.method-detail-body{padding:0 20px 22px}
.method-detail-body h3{font-size:17px;margin:9px 0 19px}
.method-detail-body .diagnostic-steps{margin-top:10px}
.method-detail-body .method-tool-note{font-size:12px;line-height:1.85;color:#5c6a7f;margin-top:20px}
.program-section{padding:80px 0}
.program-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:30px 0 19px}
.program-choices article{background:#fff;border:1px solid #dde1e8;border-radius:15px;padding:24px 21px;min-height:176px}
.program-choices article>span{font-size:11px;font-weight:850;color:#245dc6}
.program-choices h3{font-size:19px;line-height:1.5;margin:20px 0 8px;letter-spacing:-.03em}
.program-choices p{font-size:13px;line-height:1.7;color:#637288;margin:0}
.program-disclosure p{padding:0 20px 20px;line-height:1.8;color:#566377;font-size:13px}
.compact-resources{background:#fafafb;padding:40px 0 70px}
.compact-resources h2{font-size:clamp(23px,3vw,30px)}
.compact-resources .section-intro{font-size:13px;margin-bottom:20px}
.compact-resources .resource-detail{padding:0 18px 22px}
.compact-resources .resource-grid{margin-top:12px}
.compact-resources .resource-future{margin-top:16px}
.foot .footer-resource{margin-left:auto;color:#cbd2dc;text-decoration:underline;text-underline-offset:3px}
@media(max-width:850px){
 .hero-grid{grid-template-columns:1fr;gap:28px}
 .hero{padding:64px 0}
 .hero-example{max-width:620px;width:100%;margin:auto}
 .program-choices{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
 .nav{height:auto;min-height:66px;flex-wrap:wrap;gap:10px;padding:12px 0}
 .nav nav{order:3;display:flex;flex:0 0 100%;overflow-x:auto;white-space:nowrap;gap:20px;padding:4px 0 9px}
 .nav nav a{display:inline!important;flex-shrink:0}
 .hero{padding:47px 0 56px}
 .hero h1{font-size:clamp(31px,8.1vw,40px)}
 .hero .intro{font-size:14px;line-height:1.85}
 .hero .buttons{align-items:stretch}
 .hero .primary{width:100%}
 .hero .secondary{padding:9px 0}
 .hero-proof{gap:6px}.hero-proof span{font-size:10px;padding:6px 9px}
 .hero-example{padding:18px}.example-question{font-size:18px}
 .social-proof,.teaching-section,.program-section{padding:56px 0}
 .case-tabs{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
 .case-tabs button{padding:11px 6px;font-size:11px;white-space:normal}
 .case-dialogue{padding:16px}
 .case-dialogue strong{font-size:16px}
 .program-choices{grid-template-columns:1fr}
 .program-choices article{min-height:0}
 .compact-resources{padding:26px 0 55px}
 .foot .footer-resource{margin:0}
}
@media(prefers-reduced-motion:reduce){.case-tabs button{transition:none}}


/* Premium instructor-first visual system 2026-10-13: static design only. */
:root{--ink:#233043;--accent:#3a475b;--muted:#61726f;background:#f0f2f6;color:#233043}
body{background:#f0f2f6;color:#233043}
header{background:#f9fafb;border-bottom-color:#d2d7de;box-shadow:0 3px 25px #1b253309}
.brand{color:#283446;letter-spacing:-.025em}
.logo{background:#283447;border-radius:5px;font-family:Georgia,serif}
nav{color:#444f60}
nav a:hover,nav a:focus-visible{text-decoration:underline;text-underline-offset:5px;color:#344258}
#language{background:#fff;border-color:#bfc7c0;color:#2c394c}
.hero{background:radial-gradient(circle at 80% 19%,#dadee5 0%,transparent 42%),#edeff3;padding:clamp(75px,9vw,132px) 0}
.hero-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(35px,6vw,76px)}
.hero .kicker{color:#728879;letter-spacing:.17em}
.hero h1{color:#172f40;line-height:1.29;font-size:clamp(37px,4.7vw,62px);letter-spacing:-.06em}
.hero h1 em{color:#3f4f67}
.hero .intro{color:#4f5b6e;line-height:1.98}
.hero-proof span{border-radius:5px;background:#fbfcfd;border-color:#cfd4dc;color:#3f4c5f}
.hero .buttons{margin:29px 0 25px}
.primary{background:#253347;border-radius:6px;box-shadow:0 9px 24px #1b293f15}
.primary:hover,.primary:focus-visible{background:#3c4a60}
.hero .secondary{color:#2e3c51}
.hero .sub{color:#67776e}
.hero-signature{display:flex;align-items:center;gap:12px;border-top:1px solid #cfd5dd;padding:18px 0 4px;max-width:465px}
.signature-mark{width:41px;height:41px;flex:0 0 41px;border:1px solid #8694a8;border-radius:50%;display:grid;place-items:center;font:italic 15px Georgia,serif;color:#33435a}
.hero-signature div{display:flex;flex-direction:column;gap:4px}
.hero-signature strong{font-size:15px}
.hero-signature div span{font-size:12px;color:#687974}
.mentor-board{background:linear-gradient(160deg,#28364c,#192639);color:#fefefe;padding:clamp(25px,3vw,39px);border:1px solid #4a5667;border-radius:7px;box-shadow:0 30px 60px #18233430;min-width:0}
.mentor-board-top{display:flex;align-items:start;justify-content:space-between;flex-wrap:wrap;gap:12px}
.board-index{font-size:10px;letter-spacing:.19em;color:#c8ced8;font-weight:850}
.board-stamp{font-size:10px;color:#a7b6cd;line-height:1.6;max-width:170px;text-align:right}
.mentor-board h2{color:#fff;font-size:clamp(24px,2.7vw,35px);letter-spacing:-.045em;line-height:1.5;font-weight:700;margin:44px 0 21px;word-break:keep-all}
.mentor-steps{margin:0;padding:0;list-style:none;border-top:1px solid #76859b66}
.mentor-steps li{display:flex;align-items:start;gap:17px;padding:18px 0;border-bottom:1px solid #76859b66}
.step-no{font:italic 15px Georgia,serif;color:#98accb;line-height:1.6;min-width:22px}
.mentor-steps strong{font-size:15px;line-height:1.5;display:block}
.mentor-steps p{font-size:12px;color:#c3c9d3;line-height:1.75;margin:7px 0 0}
.board-footer{display:flex;justify-content:space-between;align-items:center;margin-top:26px;color:#b6c2d3;font-size:10px;letter-spacing:.11em}
.board-footer span:last-child{font-size:24px}
.social-proof{background:#e7e9ed;padding:70px 0 78px}
.review-source-link{background:#2b394d}
.review-source-link:hover,.review-source-link:focus-visible{background:#1f2d41}
.instructor-section{background:#fcfcfd;padding:95px 0}
.instructor-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(300px,.82fr);gap:clamp(35px,7vw,90px);align-items:center}
.instructor-section .kicker{color:#64738a}
.instructor-section .section-intro{max-width:650px;color:#5c6d6c}
.instructor-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:34px}
.instructor-facts>div{border-top:1px solid #d4d9e0;padding:16px 0;display:flex;flex-direction:column;gap:10px}
.instructor-facts span{font-size:10px;letter-spacing:.12em;color:#6d7d96;font-weight:850}
.instructor-facts strong{font-size:13px;color:#293445;line-height:1.6}
.instructor-card{border:1px solid #cad1dc;border-radius:6px;background:#e2e6ed;min-height:360px;padding:34px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.identity-emblem{width:85px;height:85px;border:1px solid #8592a6;border-radius:50%;display:grid;place-items:center;font:italic 29px Georgia,serif;color:#324157;position:relative}
.identity-emblem span{position:absolute;right:-8px;bottom:0;font-size:17px;background:#e2e6ed;padding:4px}
.identity-caption{font-size:10px;color:#627187;letter-spacing:.19em;margin:25px 0 8px}
.instructor-card h3{margin:0 0 12px;font-size:28px;color:#263243}
.instructor-card p{margin:0;line-height:1.9;font-size:14px;color:#4c5869}
.identity-rule{width:100%;height:1px;background:#c7cdd6;margin:28px 0 17px}
.instructor-card .identity-bottom{font-size:11px;color:#77827b}
.teaching-section{background:#f7f8f9}
.practice-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:33px 0 30px}
.practice-flow article{background:#fff;border:1px solid #d8dce2;border-radius:6px;padding:24px;min-height:196px}
.practice-flow article>span{font:italic 12px Georgia,serif;color:#616f85;letter-spacing:.08em}
.practice-flow h3{font-size:18px;line-height:1.5;letter-spacing:-.03em;margin:22px 0 12px}
.practice-flow p{font-size:13px;line-height:1.84;color:#5a687d;margin:0}
.case-tabs{background:#eaecee}
.case-stage{border-color:#d4d8e0;background:#fff;border-radius:7px}
.case-dialogue{border-left-color:#46546a;border-radius:0 5px 5px 0}
.math-deep-dive{background:#fff;border:1px solid #dbded8;border-radius:7px;margin:23px 0}
.math-deep-dive summary{padding:18px 21px;font-weight:800;font-size:13px;line-height:1.75;color:#344359;cursor:pointer}
.math-deep-dive-body{padding:0 20px 22px}
.math-deep-dive .hero-example{max-width:600px;border-radius:6px;box-shadow:none;margin:auto}
.method-disclosure,.program-disclosure,.resources-disclosure{border-radius:7px}
.program-section{background:#eceef0}
.program-choices article{border-radius:6px;min-height:165px}
.compact-resources{background:#f8f9fa}
.dark{background:#1e2a3d}
form{border-radius:7px}
footer{background:#182231}
:focus-visible{outline:3px solid #5c79a5;outline-offset:3px}
@media(max-width:900px){.instructor-grid{grid-template-columns:1fr}.instructor-card{min-height:290px}}
@media(max-width:850px){.hero-grid{grid-template-columns:1fr}.mentor-board{max-width:650px;width:100%;margin:auto}.practice-flow{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.hero{padding:54px 0 62px}.hero h1{font-size:clamp(32px,8vw,43px)}.hero .intro{font-size:14px}.hero-signature{margin-top:7px}.mentor-board{padding:23px}.mentor-board h2{margin-top:22px;font-size:26px}.board-stamp{text-align:left}.mentor-steps li{padding:14px 0;gap:11px}.social-proof,.teaching-section,.instructor-section{padding:59px 0}.instructor-facts{grid-template-columns:1fr;gap:4px}.instructor-facts>div{display:flex;flex-direction:row;justify-content:space-between;align-items:center;padding:13px 0}.instructor-card{padding:25px;min-height:285px}.practice-flow{grid-template-columns:1fr}.practice-flow article{min-height:0}.hero .buttons{gap:8px}.hero .secondary{margin:0}.math-deep-dive-body{padding:0 10px 15px}}


/* Public study-hub teaser: self-contained, no new network assets or data capture. */
.learning-teaser{background:#e5e8ed;padding:88px 0}
.learning-teaser-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.83fr);gap:clamp(35px,5vw,75px);align-items:center}
.learning-teaser .kicker{color:#576478}
.learning-teaser h2{line-height:1.33;max-width:650px;letter-spacing:-.045em}
.learning-teaser .section-intro{max-width:540px;font-size:15px;color:#536073}
.learning-teaser-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-top:27px}
.learning-teaser-actions .primary{padding:15px 20px}
.learning-teaser-actions .secondary{margin:0;color:#374457}
.learning-teaser-note{font-size:11px;color:#6f837b;line-height:1.7;margin-top:18px}
.learning-teaser-preview{background:#fcfcfd;border:1px solid #d5d9e0;border-radius:7px;box-shadow:0 24px 45px #28344712;padding:clamp(22px,3vw,39px)}
.teaser-label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:10px;font-weight:800;letter-spacing:.15em;color:#59677b}
.teaser-label span{font-size:24px;color:#8fa1bb}
.teaser-main{font:italic clamp(52px,7vw,88px) Georgia,serif;line-height:1.2;letter-spacing:-.04em;color:#283445;padding:17px 0 26px}
.teaser-main span{color:#8a97aa}
.teaser-line{height:1px;background:#d9dde3}
.teaser-preview-list>div{padding:17px 0;border-bottom:1px solid #dee2e7;display:grid;grid-template-columns:25px 1fr;column-gap:9px}
.teaser-preview-list>div>span{font:italic 13px Georgia,serif;color:#627187;grid-row:1 / 3}
.teaser-preview-list strong{font-size:14px;line-height:1.5;color:#29374b}
.teaser-preview-list p{font-size:11px;line-height:1.5;color:#75847e;margin:7px 0 0}
.teaser-footer{font-size:10px;font-weight:800;letter-spacing:.15em;color:#64738a;margin:25px 0 0}
@media(max-width:850px){.learning-teaser-grid{grid-template-columns:1fr}.learning-teaser-preview{max-width:640px}}
@media(max-width:640px){.learning-teaser{padding:62px 0}.learning-teaser .section-intro{font-size:14px}.learning-teaser-actions{align-items:stretch;gap:9px}.learning-teaser-actions .primary{flex:1;min-width:210px}.learning-teaser-actions .secondary{flex:1;padding:12px 0}.learning-teaser-preview{padding:22px}.teaser-main{font-size:65px}}


/* 2026-10-13: concise three-destination navigation, including mobile. */
.nav nav{align-items:center;gap:clamp(13px,2vw,24px)}
.nav nav a{display:inline!important;white-space:nowrap;min-height:44px;align-items:center}
@media(max-width:760px){
 .nav{height:auto;min-height:70px;flex-wrap:wrap;gap:6px 12px;padding:12px 0 7px}
 .nav nav{display:flex;order:3;flex:0 0 100%;justify-content:space-between;gap:6px;overflow-x:auto;scrollbar-width:thin}
 .nav nav a{display:inline-flex!important;white-space:nowrap;padding:8px 5px;font-size:12px}
 .nav #language{margin-left:auto}
}


/* Math Studio concise homepage: present only essential decisions first. */
.hero{padding:clamp(52px,6vw,78px) 0}
.hero-grid{gap:clamp(25px,4vw,52px);align-items:center}
.hero h1{font-size:clamp(32px,4.25vw,53px)}
.hero .intro{max-width:540px;line-height:1.75}
.hero-proof{gap:7px}
.hero-signature{margin-top:14px}
.mentor-board{padding:clamp(22px,2.8vw,30px);box-shadow:0 15px 35px #18233420}
.mentor-board h2{font-size:clamp(22px,2.7vw,31px);margin:17px 0 20px}
.mentor-board .board-footer{margin-top:22px}
.home-mentor-details summary{color:#d9dfe7}
.home-mentor-details[open] .mentor-steps{margin-top:16px}
.social-proof{padding:42px 0 35px}
.social-proof .review-intro .section-intro{display:none}
.social-proof .review-intro h2{font-size:clamp(21px,2.6vw,28px);margin-bottom:4px}
.social-proof .review-count{margin:0}
.social-proof .review-summary-snapshot{margin:14px 0 8px}
.social-proof .review-source-row{margin-bottom:4px}
.instructor-section{padding:10px 0;background:#fcfcfd}
.instructor-section .instructor-grid{padding:24px 0 16px}
.teaching-section{padding:52px 0 46px}
.teaching-section .teaching-lead{max-width:680px}
.practice-flow{gap:10px;margin:26px 0 20px}
.practice-flow article{padding:17px 18px;min-height:0}
.practice-flow h3{font-size:16px;margin:10px 0 6px}
.practice-flow p{font-size:12px;line-height:1.65}
.program-section{padding:28px 0}
.program-section> .wrap> .kicker{margin-bottom:10px}
.program-section h2{font-size:clamp(21px,2.8vw,28px);margin-bottom:6px}
.program-section .section-intro{font-size:13px}
.program-section .program-choices{margin-top:25px}
.learning-teaser{padding:42px 0}
.learning-teaser-grid{grid-template-columns:1fr;gap:14px}
.learning-teaser h2{font-size:clamp(24px,3vw,35px)}
.learning-teaser .section-intro{max-width:680px;font-size:13px}
.learning-teaser-actions{margin-top:16px}
.learning-preview-details .learning-teaser-preview{max-width:640px;margin-top:18px}
.compact-resources{padding:40px 0 47px}
.compact-resources .section-intro{margin-bottom:8px}
.compact-resources .resources-disclosure{margin-top:12px}
.dark#consult{padding:62px 0}
.dark#consult .consult-grid{grid-template-columns:minmax(0,.95fr) minmax(260px,.75fr);gap:clamp(25px,4vw,55px)}
.dark#consult .consult-grid h2{font-size:clamp(25px,3vw,38px)}
.dark#consult .public-contact{margin:20px 0}
.dark#consult .consult-grid .public-contact .primary{font-size:13px}
.home-privacy-details{margin-top:16px;max-width:600px}
.home-privacy-details .privacy{margin:14px 0 0}
.home-consult-details{align-self:start;border:1px solid #556275;border-radius:7px;padding:17px 18px;background:#ffffff0c}
.home-consult-details form{margin-top:14px;padding:18px}
.home-consult-details .form-head{margin-bottom:12px}
.home-mentor-details>summary,.home-review-details>summary,.home-section-details>summary,.learning-preview-details>summary,.home-privacy-details>summary,.home-consult-details>summary{cursor:pointer;list-style:none;font-size:13px;font-weight:750;line-height:1.7;position:relative;padding:12px 36px 12px 14px;border-radius:5px}
.home-section-details>summary,.home-review-details>summary,.learning-preview-details>summary{background:#f0f2f4;border:1px solid #d5dae1;color:#30435f}
.home-mentor-details>summary,.home-consult-details>summary{background:#ffffff10;border:1px solid #ffffff35;color:#dde3eb}
.home-privacy-details>summary{background:#ffffff0c;border:1px solid #ffffff25;color:#cad2de}
.home-mentor-details>summary::-webkit-details-marker,.home-review-details>summary::-webkit-details-marker,.home-section-details>summary::-webkit-details-marker,.learning-preview-details>summary::-webkit-details-marker,.home-privacy-details>summary::-webkit-details-marker,.home-consult-details>summary::-webkit-details-marker{display:none}
.home-mentor-details>summary::after,.home-review-details>summary::after,.home-section-details>summary::after,.learning-preview-details>summary::after,.home-privacy-details>summary::after,.home-consult-details>summary::after{content:"+";font-size:18px;position:absolute;right:16px;top:50%;transform:translateY(-50%)}
.home-mentor-details[open]>summary::after,.home-review-details[open]>summary::after,.home-section-details[open]>summary::after,.learning-preview-details[open]>summary::after,.home-privacy-details[open]>summary::after,.home-consult-details[open]>summary::after{content:"−"}
.home-review-details{max-width:750px;margin-top:12px}
.home-review-details .review-empty{margin-top:10px}
.home-cases .case-tabs{margin-top:23px}
.home-cases .case-stage{margin-top:10px}
.home-section-details>.program-choices{margin-top:23px}
#program .home-section-details{margin-top:16px}
#about .home-section-details[open]{padding-bottom:8px}
.home-section-details[open] .instructor-grid{padding-left:12px;padding-right:12px}
.dark#consult .home-consult-details>summary:focus-visible{outline:2px solid #a4b5ce;outline-offset:2px}
@media(max-width:850px){
 .dark#consult .consult-grid{grid-template-columns:1fr}
 .home-consult-details{max-width:680px;width:100%}
 .hero-grid{grid-template-columns:1fr}
 .mentor-board{max-width:650px}
}
@media(max-width:560px){
 .hero{padding:38px 0 46px}
 .hero h1{font-size:clamp(32px,9vw,43px)}
 .hero-proof{flex-wrap:wrap}
 .social-proof{padding:32px 0}
 .teaching-section{padding:38px 0}
 .practice-flow{gap:7px}
 .practice-flow article{padding:14px}
 .instructor-section{padding:8px 0}
 .learning-teaser{padding:35px 0}
 .dark#consult{padding:42px 0}
 .home-consult-details form{padding:18px 12px}
}


/* Replaceable image-led homepage; no stock photo tracking, no student artifacts. */
.hero{background:linear-gradient(135deg,#f7fafe 0%,#fbfbfc 62%,#f3f5f7 100%)}
.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,.98fr);align-items:center;gap:clamp(24px,4vw,65px)}
.hero h1{font-size:clamp(37px,4.6vw,60px);line-height:1.2;color:#0c2446;max-width:640px}
.hero h1 em{color:#225ec8}
.hero .intro{font-size:15px;color:#526375;line-height:1.84;max-width:510px}
.hero .buttons{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.hero .buttons .primary{background:#2057bd;color:#fff;border-radius:9px;box-shadow:0 7px 18px #2057bd19;min-height:49px}
.hero .buttons .primary:hover{background:#164493}
.hero .buttons .secondary{margin:0;background:#fff;color:#203957;border:1px solid #d2dce9;border-radius:9px;padding:14px 18px;min-height:49px}
.hero .hero-signature{margin-top:19px}
.mentor-board{background:#fff;color:#233b55;padding:0 0 18px;border:1px solid #e1e6ec;border-radius:15px;overflow:hidden;box-shadow:0 24px 55px #122c4720}
.hero-study-photo{margin:0;position:relative;background:#e9edf1}
.hero-study-photo img{display:block;width:100%;height:auto;aspect-ratio:480/321;object-fit:cover}
.hero-study-photo figcaption{position:absolute;right:12px;bottom:11px;background:#fcfcfdeb;padding:5px 9px;border-radius:5px;color:#576b7c;font-size:10px;line-height:1.4}
.mentor-board-top{padding:15px 22px 0;gap:9px}
.mentor-board .board-index{color:#486581}
.mentor-board .board-stamp{color:#65788b}
.mentor-board #mentor-board-title{font-size:clamp(21px,2.25vw,28px);line-height:1.35;margin:9px 22px 12px;color:#163354}
.mentor-board .home-mentor-details{margin:0 22px}
.mentor-board .home-mentor-details>summary{background:#f4f8fc;color:#1b598f;border-color:#d6deeb}
.mentor-board .mentor-steps{padding:10px 8px 0;margin-bottom:4px}
.mentor-board .mentor-steps strong{color:#254967}
.mentor-board .mentor-steps p{color:#65758c}
.mentor-board .board-footer{margin:11px 22px 0;border-color:#e7edf3;color:#77889a}
.lesson-visual-row{display:grid;grid-template-columns:1fr minmax(0,.85fr);align-items:center;gap:23px;background:#f6f9fc;border:1px solid #e3ecf6;border-radius:10px;padding:21px;margin:24px 0 27px}
.lesson-visual-note{min-width:0}
.lesson-visual-label{font-size:11px;font-weight:800;letter-spacing:.12em;color:#3773ad;margin:0 0 9px}
.lesson-visual-heading{font-size:clamp(18px,2vw,23px);font-weight:800;color:#173b5d;margin:0 0 10px}
.lesson-visual-desc{font-size:13px;line-height:1.8;color:#617489;max-width:440px;margin:0 0 14px}
.lesson-visual-note a{color:#2160b1;font-weight:750;font-size:13px;text-decoration:underline;text-underline-offset:4px}
.lesson-visual-picture{margin:0}
.lesson-visual-picture img{display:block;width:100%;height:auto;border:1px solid #e1e8ed;border-radius:9px}
.lesson-visual-picture figcaption{font-size:11px;color:#708297;text-align:right;margin-top:7px}
@media(max-width:850px){.hero-grid{grid-template-columns:1fr}.mentor-board{max-width:700px}.lesson-visual-row{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.hero h1{font-size:clamp(33px,9.2vw,45px)}.hero .buttons{align-items:stretch;gap:8px}.hero .buttons>*{flex:1 1 100%;text-align:center;justify-content:center}.hero-proof{gap:7px}.mentor-board-top{padding:14px 17px 0}.mentor-board #mentor-board-title{margin-left:17px;margin-right:17px}.mentor-board .home-mentor-details{margin:0 17px}.lesson-visual-row{grid-template-columns:1fr;padding:17px;gap:12px}.lesson-visual-picture{max-width:440px}.hero-study-photo figcaption{font-size:9px}}


/* Math Studio design system v1: one navy/blue/porcelain palette across every page. */
:root{
 --ms-navy:#142c49;--ms-ink:#193551;--ms-blue:#245dc6;--ms-blue-hover:#194c9b;
 --ms-muted:#64748b;--ms-bg:#fbfcff;--ms-surface:#fff;--ms-soft:#f2f6fc;--ms-border:#d9e3f0;
 color:var(--ms-ink);background:var(--ms-bg)
}
body{background:var(--ms-bg);color:var(--ms-ink)}
header,.rc-header,.learning-header{background:#fbfcffef;border-bottom:1px solid var(--ms-border)}
.brand,.rc-brand,.learning-brand{color:var(--ms-navy)}
.logo,.learning-brand>span{background:var(--ms-blue);color:#fff}
nav,.rc-nav nav a,.learning-nav nav a{color:#435b79}
nav a:hover,.rc-nav nav a:hover,.learning-nav nav a:hover{color:var(--ms-blue)}
.kicker,.rc-kicker,.learning-overline{color:var(--ms-blue)}
.primary,.rc-primary,.learning-hero-actions .primary{background:var(--ms-blue);color:#fff}
.primary:hover,.primary:focus-visible,.rc-primary:hover,.rc-primary:focus-visible,
.learning-hero-actions .primary:hover{background:var(--ms-blue-hover)}
.hero .buttons .primary{background:var(--ms-blue)}
.hero .buttons .primary:hover{background:var(--ms-blue-hover)}
.social-proof{background:var(--ms-soft)}
.instructor-section{background:#fff}
.teaching-section{background:#fff}
.program-section,.compact-resources{background:var(--ms-soft)}
.learning-teaser{background:#eef3fb}
footer,.rc-footer,.learning-footer{background:var(--ms-navy);color:#d6e3f4}
footer a,.rc-footer a,.learning-footer a{color:#d6e3f4}
.resource-center,.learning-page{background:var(--ms-bg);color:var(--ms-ink)}
.resource-center{--rc-ink:var(--ms-navy);--rc-muted:var(--ms-muted);--rc-green:var(--ms-blue)}
.learning-page{--study-ink:var(--ms-navy);--study-green:var(--ms-blue);--study-dim:var(--ms-muted)}
.rc-hero,.learning-hero{background:radial-gradient(circle at 82% 15%,#e9f0fb 0%,transparent 45%),var(--ms-soft)}
.learning-page .level-picker button[aria-pressed="true"],
.level-picker button[aria-pressed=true]{background:var(--ms-blue);border-color:var(--ms-blue);color:#fff}
.rc-success,.feedback.correct{color:#167049} /* explicit success signal */
.feedback.incorrect{color:#9c5d29} /* explicit incorrect-answer signal */
.policy-alert{background:#fff7eb;border-color:#e7cd93;border-left-color:#ad7d29;color:#684b21}
:focus-visible{outline-color:var(--ms-blue)}


/* Evidence-oriented teaching showcase: anonymous examples, one coherent blue brand. */
.ms-method-disclosure{max-width:430px;margin:22px 0 12px;border:1px solid var(--ms-border);background:#f4f7fc;border-radius:10px}
.ms-method-disclosure>summary{cursor:pointer;min-height:48px;display:flex;align-items:center;padding:12px 16px;color:var(--ms-navy);font-size:13px;font-weight:800}
.ms-method-disclosure[open] .practice-flow{margin:10px 14px 17px}
.ms-method-disclosure .practice-flow article{background:#fff}
.ms-showcase{margin:36px 0 26px}
.ms-showcase-header{max-width:770px;margin:0 0 22px}
.ms-eyebrow{font-size:11px;letter-spacing:.12em;font-weight:850;color:var(--ms-blue);margin:0 0 7px}
.ms-showcase-header h3{font-size:clamp(21px,2.7vw,29px);font-weight:850;letter-spacing:-.035em;color:var(--ms-navy);margin:0 0 8px}
.ms-showcase-header>p:last-child{font-size:12px;line-height:1.7;color:var(--ms-muted);margin:0}
.ms-case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}
.ms-case-card{min-width:0;background:#fff;border:1px solid var(--ms-border);border-radius:12px;box-shadow:0 8px 26px #142c490c;overflow:hidden;display:flex;flex-direction:column}
.ms-case-figure{margin:0;padding:13px 13px 0;background:#f4f7fc}
.ms-case-figure img,.ms-feedback-visual{width:100%;aspect-ratio:620/380;object-fit:contain;display:block;border-radius:7px;background:#fff}
.ms-case-figure figcaption{font-size:10px;line-height:1.5;text-align:right;padding:7px 2px 10px;color:#64748b}
.ms-case-body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.ms-case-index{font-size:10px;letter-spacing:.13em;font-weight:850;color:var(--ms-blue)}
.ms-case-body h4{font-size:17px;font-weight:850;color:var(--ms-navy);margin:9px 0 8px;line-height:1.5;word-break:keep-all}
.ms-case-body p{color:#53657e;font-size:12px;line-height:1.8;margin:0 0 15px;flex:1}
.ms-case-body a{display:inline-flex;align-items:center;color:var(--ms-blue);font-size:12px;font-weight:800;text-decoration:underline;text-underline-offset:4px;min-height:42px}
.ms-case-body a:focus-visible{outline:2px solid var(--ms-blue);outline-offset:3px}
.ms-feedback-visual{background:linear-gradient(145deg,#eaf1fc,#f8faff);padding:21px;display:flex;flex-direction:column;gap:9px;justify-content:center}
.ms-feedback-label{font-size:10px;letter-spacing:.12em;color:#59779f;font-weight:800;margin-bottom:1px}
.ms-feedback-visual>div{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #d9e3f0;border-radius:7px;padding:11px}
.ms-feedback-visual>div>span{font-size:11px;color:var(--ms-blue);font-weight:900}
.ms-feedback-visual strong{font-size:11px;color:var(--ms-navy);font-weight:800;line-height:1.4}
@media(max-width:800px){.ms-case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ms-case-card:last-child{grid-column:1/-1;max-width:480px}}
@media(max-width:580px){.ms-case-grid{display:flex;overflow-x:auto;gap:12px;scroll-snap-type:x mandatory;padding:0 4px 14px;scrollbar-width:thin}.ms-case-card,.ms-case-card:last-child{flex:0 0 min(83vw,320px);width:min(83vw,320px);max-width:none;scroll-snap-align:start}.ms-showcase{margin:26px 0 18px}.ms-showcase-header h3{font-size:22px}.ms-case-figure{padding:9px 9px 0}.ms-case-body{padding:14px 15px 17px}}