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/* Axiom identity and expanded library */
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@media(max-width:900px){.site-header nav{gap:11px}.site-header nav a{font-size:12px}.logo-window{width:155px}.home-hero{gap:30px;min-height:580px;padding-block:45px 50px}.home-intro h1{font-size:43px}.home-lead{font-size:16px}.home-intro-text{font-size:12px}.home-intro .button{font-size:12px;padding-inline:15px;gap:15px}.library-preview-label{font-size:8px}.book-stack{height:290px}.book-preview{height:255px}.library-preview{min-height:405px}.entry-strip>a{padding:25px 15px;gap:10px}.entry-strip h2{font-size:16px}.entry-strip p{font-size:10px}.brand-story{gap:45px}.brand-story h2{font-size:29px}.teacher-intro{grid-template-columns:260px 1fr;gap:40px}.teacher-nameplate{padding:28px;min-height:285px}.teacher-nameplate h2{font-size:37px}.teacher-summary h2{font-size:28px}.teacher-summary>p:not(.eyebrow){font-size:13px}.teacher-profile{grid-template-columns:210px 1fr;gap:40px}.about-hero{gap:45px}.about-hero h1{font-size:42px}.about-values{gap:30px}.handout-cover{padding-inline:35px;height:250px}.reader-layout{grid-template-columns:190px minmax(0,1fr);gap:23px}.pdf-reader iframe{height:850px}.bank-filters{grid-template-columns:1fr 1fr 120px}.bank-filters>label:nth-child(2),.bank-filters>label:nth-child(3){grid-column:auto}.bank-filters>label:nth-child(4){grid-column:1}.bank-filters>label:nth-child(5){grid-column:2}.bank-filters .button{grid-column:3}.course-detail{grid-template-columns:220px minmax(0,1fr);gap:30px}.course-content{gap:22px}.course-title h2{font-size:27px}}
@media(max-width:850px){.header-inner{height:74px}.site-header nav{top:74px;background:white;padding:13px 24px}.site-header nav a{font-size:14px;padding-block:12px}.header-actions .my-learning-link{display:none}.about-contact{display:block}.about-contact .button-row{margin-top:25px}.bank-heading{align-items:flex-start}.bank-count{min-width:170px}.bank-count strong{font-size:36px}.bank-count small{max-width:170px;line-height:1.7}}
@media(max-width:600px){.logo-window{width:144px}.header-inner{height:70px;gap:9px}.site-header nav{top:70px}.site-header nav a{font-size:14px}.header-actions .button{font-size:10px;padding:6px 8px}.site-footer .logo-window{width:180px}.footer-top>div{gap:14px;font-size:11px}.home-hero{grid-template-columns:1fr;padding-block:34px 37px;gap:32px;min-height:0}.home-intro h1{font-size:45px;line-height:1.3}.home-lead{font-size:16px;margin-top:21px}.home-intro-text{font-size:13px;margin-top:15px;max-width:400px}.home-intro .button-row{margin-top:23px;gap:10px}.home-intro .button{font-size:12px;padding:10px 15px;gap:12px}.library-preview{min-height:385px;padding:20px}.library-preview-label{font-size:8px}.book-stack{height:285px;margin-bottom:15px}.book-preview{height:260px;width:55%}.book-precal{top:12px}.book-calculus{top:24px}.library-preview-caption{font-size:12px;gap:23px}.entry-strip{grid-template-columns:1fr}.entry-strip>a,.entry-strip>a:first-child,.entry-strip>a:last-child{padding:20px 7px;border-right:0;border-bottom:1px solid var(--line);gap:22px}.entry-strip>a:last-child{border-bottom:0}.entry-strip h2{font-size:18px}.entry-strip p{font-size:11px}.entry-number{font-size:24px}.brand-story{grid-template-columns:1fr;gap:25px}.brand-story h2{font-size:30px}.story-copy{font-size:14px;line-height:1.95}.teacher-section{padding-block:42px}.teacher-intro{grid-template-columns:1fr;gap:30px}.teacher-nameplate{min-height:235px;padding:29px}.teacher-nameplate h2{font-size:41px}.teacher-signature{margin-top:22px;padding-top:18px}.teacher-summary h2{font-size:29px}.teacher-summary>p:not(.eyebrow){font-size:14px}.home-closing{display:block}.home-closing h2{font-size:27px}.home-closing>.button{margin-top:24px}.home-closing p:not(.eyebrow){font-size:13px}.about-hero{grid-template-columns:1fr;padding-block:35px 30px;gap:20px}.about-hero h1{font-size:39px}.about-brand{padding:22px 13px 8px}.about-brand .logo-window{width:100%;max-width:330px}.about-brand p{font-size:11px;margin-top:20px}.about-values{grid-template-columns:1fr;gap:25px}.about-values>div{border-bottom:1px solid var(--line);padding-bottom:22px;display:grid;grid-template-columns:45px 1fr;gap:0 15px}.about-values h2{font-size:21px;margin:0 0 12px}.about-values p{grid-column:2;font-size:13px}.teacher-profile{grid-template-columns:1fr;gap:30px}.teacher-profile-heading h2{font-size:39px}.teacher-profile-heading>p:last-child{margin-top:13px}.teacher-profile-body h3{font-size:20px}.teacher-profile-body>p{font-size:14px}.education-list{grid-template-columns:1fr;gap:22px;padding-block:22px}.about-contact h2{font-size:28px}.about-contact p:not(.eyebrow){font-size:13px}.course-detail{grid-template-columns:1fr;padding-block:30px;gap:28px}.course-title h2{font-size:29px}.course-title>p{margin-bottom:19px}.course-content{grid-template-columns:1fr;gap:22px}.course-content>div:last-child{grid-column:auto}.course-content p{font-size:13px}.course-enquiry{display:block}.course-enquiry .button{margin-top:24px}.handout-grid{grid-template-columns:1fr;gap:24px}.handout-cover{padding:24px 35px 0;height:260px}.handout-card-copy{padding:25px 24px 28px}.handout-card h2{font-size:28px}.handout-card-copy>p:not(.eyebrow){font-size:13px}.handout-facts{gap:8px 13px;font-size:11px}.handout-facts>span+span:before{margin-right:13px}.reading-note{padding-left:20px}.reading-note h2{font-size:22px}.reading-note p{font-size:13px}.reader-layout{grid-template-columns:1fr;gap:24px}.reader-outline{position:static;padding-top:0}.reader-outline ol{margin-block:15px 20px;font-size:12px}.reader-outline li{margin-bottom:4px}.pdf-reader iframe{height:75vh;min-height:550px}.bank-heading{display:block}.bank-count{margin-top:22px;text-align:left;display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}.bank-count strong{font-size:33px;margin-right:0}.bank-count small{font-size:9px;max-width:none;flex-basis:100%;margin-top:0}.bank-filters{grid-template-columns:minmax(0,1fr) minmax(0,1fr);padding:13px;gap:10px}.bank-filters .search-field{grid-column:1/-1}.bank-filters>label:nth-child(2),.bank-filters>label:nth-child(3){grid-column:1/-1}.bank-filters>label:nth-child(4){grid-column:1}.bank-filters>label:nth-child(5){grid-column:2}.bank-filters .button{grid-column:1/-1}.bank-filters>label>span:not(.sr-only){font-size:10px}.bank-filters select{font-size:12px}.source-line .tag{display:inline-block;margin:8px 0 0}.question-excerpt{height:120px}.explanation-provenance{font-size:10px}.picker-filters{grid-template-columns:1fr;gap:0}.picker-item>a{font-size:10px}.picker-item strong{font-size:12px}.picker-item small{font-size:9px}.question-picker{max-height:480px}}

.reader-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px;background:#f1f5f9;border-bottom:1px solid #d6e0e9;font-size:12px}.reader-toolbar label{display:flex;align-items:center;gap:8px}.reader-toolbar select{padding:7px 10px;border:1px solid #c8d5e0;border-radius:4px;background:#fff;color:#203b55}.reader-toolbar button:disabled{opacity:.35;cursor:default}.handout-page{display:block;width:100%;height:auto;background:white}@media(max-width:600px){.reader-toolbar{padding:11px 8px;font-size:11px}.reader-toolbar .plain-button{font-size:11px}.reader-toolbar select{padding:6px}}

/* Detailed topic lessons and navigation available before answering. */
.lesson-content .prose h3{font-size:18px;margin:30px 0 14px;color:var(--forest)}
.lesson-content .prose ol{padding-left:24px;margin:14px 0 22px}.lesson-content .prose li{padding:5px 0 5px 4px}
.lesson-pitfall{padding:18px 22px;background:#f3f6fa;border-left:3px solid #91abc2;border-radius:0 7px 7px 0;margin-top:25px}.lesson-content .lesson-pitfall h3{margin:0 0 10px;font-size:16px}.lesson-pitfall p{font-size:14px}
.lesson-content .katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden;padding-block:5px}
.question-navigation{margin-top:28px;padding-top:23px;border-top:1px solid var(--line)}
.question-navigation-meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-bottom:14px}.question-navigation-meta a{color:var(--forest)}
.question-navigation-buttons{display:flex;justify-content:space-between;gap:16px}.question-navigation-buttons .button{min-width:130px}.question-navigation-buttons button:disabled{opacity:.38;cursor:default;transform:none}.question-navigation .field-help{margin-top:10px}
@media(max-width:600px){.question-navigation-buttons .button{min-width:0;flex:1;padding-inline:14px}.question-navigation-meta{font-size:11px}.lesson-pitfall{padding:16px}.lesson-content .prose h3{font-size:17px}}

/* ===== 2026-11-05 additions: trust band, steps line, fab dock ===== */
.trust-band{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-block:10px 70px}
.trust-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px 20px;text-align:center}
.trust-card b{display:block;font:600 36px/1.2 var(--serif);color:var(--forest);letter-spacing:-.01em}
.trust-card b em{font-style:normal;color:var(--gold)}
.trust-card>span{display:block;font-size:12px;color:var(--muted);margin-top:9px;letter-spacing:.06em}
.steps-line{display:grid;grid-template-columns:repeat(3,1fr);margin-top:45px}
.step-item{position:relative;padding-right:40px}
.step-num{display:inline-flex;width:36px;height:36px;border-radius:50%;background:var(--forest);color:#fff;align-items:center;justify-content:center;font:600 15px var(--serif);position:relative;z-index:1}
.step-item:not(:last-child):before{content:"";position:absolute;top:18px;left:52px;right:24px;height:1px;background:var(--line)}
.step-item h3{font-size:17px;margin:18px 0 9px}
.step-item p{font-size:13.5px;color:var(--muted);line-height:1.9}
.contact-fab{transition:opacity .25s ease,transform .25s ease}
.contact-fab.fab-dock{opacity:0;pointer-events:none;transform:translateY(12px)}
@media(max-width:760px){.trust-band{grid-template-columns:1fr;gap:12px}.steps-line{grid-template-columns:1fr;gap:28px}.step-item{padding-right:0}.step-item:not(:last-child):before{display:none}}