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/* Small, deliberate learning experiments. All controls remain keyboard accessible. */
.lab{padding:28px;border:1px solid #c6d6fb;border-radius:15px;background:#f6f8fe;margin:36px 0!important}.lab-header .eyebrow{font-size:9px;margin-bottom:13px}.lab h2{font-size:26px;margin:0 0 14px}.lab h3{font-size:19px;margin:22px 0 12px}.lab p{font-size:13px;line-height:1.85}.lab-stage{background:#fff;border:1px solid #dbe4f7;border-radius:11px;padding:23px;margin-top:21px}.lab button,.lab-button{font-size:12px;color:var(--ink);border:1px solid #cfdaf1;border-radius:8px;background:white;padding:11px 15px;line-height:1.5;min-height:42px}.lab button:hover:not(:disabled){background:#edf2ff;border-color:#8baaf4}.lab button[aria-pressed=true],.lab button.is-active,.lab-button.primary{background:var(--blue);border-color:var(--blue);color:white}.lab-controls,.lab-actions,.lab-options{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0}.lab-options{flex-direction:column}.lab-options button{text-align:left}.lab-question{font-size:21px!important;font-weight:550;color:var(--ink);line-height:1.6!important;padding:20px;background:white;border:1px solid #dbe4f7;border-radius:10px}.lab mark{background:#e4ecff;color:#1b49bd;padding:2px 3px;border-radius:3px}.lab-step-label{font-size:10px;color:var(--blue);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}.lab-feedback{padding:17px 20px;background:#edf2ff;border-left:2px solid var(--blue);border-radius:0 8px 8px 0;margin:18px 0}.lab-feedback p:last-child{margin-bottom:0}.lab-feedback:empty{display:none}.lab-metric{font-size:18px;font-weight:650;color:var(--blue);padding:14px 18px;background:#edf2ff;border-radius:8px;margin:15px 0}.lab-chart{width:100%;max-width:580px;margin:20px auto}.lab-chart svg{width:100%;height:auto}.lab svg{max-width:100%;height:auto}.lab-evidence,.lab-code{padding:18px;background:#f6f8fc;border:1px solid #dce4f1;border-radius:8px;margin:15px 0}.lab details{margin:20px 0;font-size:12px}.lab details summary{font-size:12px;cursor:pointer;color:var(--blue)}.lab-table{margin-top:15px;font-size:11px}.lab-table td,.lab-table th{font-size:11px}.lab-joint{display:grid;gap:12px}.lab li{font-size:13px;line-height:1.85;margin-bottom:8px}.lab table{width:100%;border-collapse:collapse}.lab td,.lab th{border-bottom:1px solid var(--line);padding:11px 9px;text-align:left;font-size:11px;vertical-align:top}.lab figure{margin:20px 0}.lab figcaption{font-size:10px;line-height:1.7;color:var(--muted);margin-top:12px}.lab .small,.lab small{font-size:10px;color:var(--muted)}
.lab table.lab-joint{display:table}.lab-metric{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.lab-metric>span{font-size:10px;font-weight:450}.lab-metric>strong{font-size:22px;font-weight:650}.lab-actions{align-items:center}.lab-step-count{font-size:10px;color:var(--muted);margin:0 6px}.lab-caption{font-size:10px!important;color:var(--muted);line-height:1.8!important}.lab-option-index{display:inline-grid;place-items:center;min-width:22px;height:22px;border:1px solid currentColor;border-radius:5px;font-size:10px;margin-right:10px}.lab-options-stacked button{display:flex;align-items:flex-start;gap:4px}.lab table tr.is-active{background:#f0f4ff}.lab blockquote{font-size:14px;line-height:1.9;color:var(--ink);margin:15px 0;padding-left:17px;border-left:2px solid #a9bff6}.lab-chart-title{font-size:10px}.lab-question{display:block}.lab .eyebrow{margin-top:0}
@media(min-width:1500px){.header,footer{padding-left:max(5%,calc((100vw - 1200px)/2));padding-right:max(5%,calc((100vw - 1200px)/2))}}
@media(max-width:1000px){.hero{gap:5%;padding-top:60px}.hero h1{font-size:55px}.hero .eyebrow{font-size:9px}.hero-copy>p{font-size:15px}.research-card{padding:20px}.research-question p{font-size:22px}.question-mark{width:37px;height:37px;font-size:24px;right:18px;top:30px}.hero-actions{gap:18px}.hero-facts{gap:17px}.module-card{padding:22px 20px 17px}.module-card h3{font-size:21px}.module-phase{font-size:7px}.card-range{display:none}.section-heading>p{max-width:270px}.case-intro{gap:28px;padding:30px}.case-intro h2{font-size:29px}.closing-section{display:block}.closing-section .button{margin-top:25px}}
@media(max-width:760px){html{scroll-padding-top:30px}.header{height:72px;padding:0 5%;gap:18px}.brand{font-size:19px}.brand-icon{width:29px;height:29px;font-size:22px}.header nav{margin-left:auto;margin-right:0;gap:18px;font-size:11px}.header nav a{padding:24px 0}.header-cta{display:none}.header nav a:first-child{display:none}.reader-exit{font-size:11px}.hero{grid-template-columns:1fr;padding-top:39px;padding-bottom:35px;gap:35px}.hero h1{font-size:clamp(42px,10vw,61px);max-width:570px}.hero-copy>p{font-size:15px;max-width:none}.hero-actions{gap:20px}.hero .button{font-size:12px;padding:13px 17px}.secondary-link{font-size:11px}.hero-facts{gap:23px;font-size:10px;margin-top:25px}.research-card{width:100%;max-width:450px;margin:auto;padding:22px}.research-question p{font-size:24px}.research-card-top{margin-bottom:20px}.phase-strip{gap:12px;padding:20px 0}.phase-strip>div{font-size:10px;align-items:flex-start;gap:8px;line-height:1.6}.phase-index{font-size:9px}.phase-arrow{display:none}.section{padding:42px 0}.section-heading{display:block;margin-bottom:25px}.section-heading h2{font-size:29px}.section-heading>p{max-width:none;font-size:13px;margin-top:18px}.home-overview{grid-template-columns:1fr;gap:12px}.home-overview-card{padding:23px}.home-overview-card h3{font-size:22px;margin-top:12px}.case-intro{display:block;padding:26px}.case-intro-mark{display:none}.case-intro h2{font-size:27px}.case-intro p{font-size:13px}.closing-section h2{font-size:28px}.page-heading{padding-top:37px;padding-bottom:27px}.page-heading h1{font-size:42px}.page-heading>p{font-size:14px}.overview-facts{gap:13px;flex-wrap:wrap;font-size:10px}.overview-facts>span+span{padding-left:13px}.module-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.module-card{padding:19px 15px 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18px}.case-note>summary:after{right:17px}.case-note>div,.case-note>.case-body{padding:18px}.case-note p{font-size:13px}.case-note>summary strong,.case-note>summary .case-title{font-size:15px}.diagram{padding:17px;margin:24px 0}.flow{gap:9px}.flow .step{min-width:115px;font-size:11px}.flow .step b{font-size:12px}.flow .arrow{display:none}.diagram figcaption{font-size:9px}.path-graphic{gap:7px}.path-graphic .common{font-size:11px;padding:13px}.path-graphic .lane{font-size:9px;padding:14px 5px}.path-graphic .lane b{font-size:10px}.funnel .step:nth-child(3){margin-left:6%;margin-right:6%}.comparison th,.comparison td{font-size:10px;padding:10px 7px}.comparison thead th{font-size:9px}.comparison tbody th{font-size:9px}.workbook-task{padding:20px}.workbook-task .eyebrow{font-size:8px;line-height:1.7}.workbook-task h3{font-size:19px}.workbook-task p{font-size:12px}.workbook-task .muted{font-size:10px}.workbook-task a{font-size:11px}.method-choice,.lab{padding:21px 17px;margin:28px 0!important}.method-choice h2,.lab h2{font-size:24px!important}.method-choice .lab-header>p,.lab p{font-size:12px}.method-tabs{gap:6px;flex-wrap:wrap}.method-tabs :is(button,a){font-size:10px;padding:11px 9px;gap:5px}.method-tabs .route-dot{width:5px;height:5px}.method-preview{padding:17px}.method-preview-title{flex-wrap:wrap;gap:8px}.method-preview-question p{font-size:14px}.method-preview-grid{grid-template-columns:1fr;gap:18px;margin-top:18px;padding-top:18px}.method-preview-grid>div{display:grid;grid-template-columns:24px 1fr;column-gap:9px}.method-preview-grid h3{margin:0 0 8px;font-size:15px}.method-preview-grid p{grid-column:2;font-size:11px}.method-preview .method-confirmation{font-size:10px}.method-placeholder{padding:17px;gap:14px}.method-placeholder p{font-size:11px}.lab-stage{padding:17px}.lab-question{font-size:18px!important;padding:17px}.lab-controls,.lab-actions{gap:7px}.lab button{font-size:11px;padding:11px 12px}.lab-feedback{padding:15px 16px}.lab td,.lab th{font-size:10px;padding:10px 6px;overflow-wrap:anywhere}.lab-metric{font-size:16px;padding:13px}.lab-evidence,.lab-code{padding:15px}.lab li{font-size:12px}.source-list summary{font-size:11px}.source-body p,.source-body li{font-size:10px}.lesson-bottom{gap:14px;align-items:flex-start;margin-top:30px;padding-top:22px}.previous-lesson{font-size:11px;margin-top:32px}.next-lesson{max-width:78%}.next-lesson>span{font-size:9px}.next-lesson .button{font-size:11px;padding:13px 14px;gap:18px}.question-recap{padding:18px}.question-recap p{font-size:14px}.tool-grid{grid-template-columns:1fr;gap:17px}.download-card{padding:26px}.download-card h2{font-size:28px}.download-card p,.download-card li{font-size:12px}.tool-info h2{font-size:25px}.tool-info p{font-size:13px}.tool-info{margin-bottom:45px}.about h2{font-size:25px}.about p{font-size:13px}.about li{font-size:11px}.about{padding-bottom:45px}footer{padding:25px 5%;flex-wrap:wrap;gap:16px}footer p{width:100%;order:3}footer>a:last-child{font-size:9px}}
@media(max-width:390px){.module-grid{grid-template-columns:1fr}.module-card{padding:23px}.module-icon{margin-top:20px}.module-phase{display:block;font-size:8px}.module-card h3{font-size:23px;max-width:none}.module-card>p{font-size:12px}.card-range{display:inline}.hero-facts{gap:17px}.hero-actions{gap:16px}.header nav{gap:14px}.method-tabs{display:grid;grid-template-columns:1fr}.method-tabs :is(button,a){font-size:12px;justify-content:flex-start}.hero h1{font-size:42px}.research-card-top .micro-label{font-size:8px}.hero-facts b{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.module-card:hover{transform:none}}

.lab button[aria-pressed="true"]:hover:not(:disabled),.lab button.is-active:hover:not(:disabled){background:var(--blue-dark);border-color:var(--blue-dark);color:white}.lab dl{margin:18px 0}.lab dt{font-size:10px;font-weight:700;color:var(--blue);margin:17px 0 6px}.lab dd{font-size:13px;line-height:1.9;margin:0}.lab blockquote{background:#f8faff;padding:17px;border-radius:8px}
@media(max-width:520px){.module-grid{grid-template-columns:1fr}.module-card{padding:23px}.module-phase{display:block;font-size:8px}.module-icon{margin-top:21px}.module-card h3{font-size:23px;max-width:none;overflow-wrap:normal}.module-card>p{font-size:12px}.card-range{display:inline}.lab table.lab-joint{display:block}.lab-joint thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.lab-joint tbody,.lab-joint tbody tr,.lab-joint tbody th,.lab-joint tbody td{display:block;width:100%}.lab-joint tbody tr{border:1px solid var(--line);border-radius:8px;padding:10px;margin-bottom:12px}.lab-joint tbody th,.lab-joint tbody td{border-bottom:0;padding:9px 5px}.lab-joint td:nth-child(2):before{content:"Interviewperspektive";display:block;font-size:9px;font-weight:700;color:var(--blue);margin-bottom:7px}.lab-joint td:nth-child(3):before{content:"Gemeinsame Deutung";display:block;font-size:9px;font-weight:700;color:var(--blue);margin-bottom:7px}}
.method-preview-question .question-context,.question-recap .question-context{font-size:11px;line-height:1.85;color:var(--muted);margin:12px 0 0}

/* Consistent course navigation and direct example-path selection. */
.lesson-position>span{white-space:nowrap}.question-recap-heading{display:flex;align-items:center;justify-content:space-between;gap:18px}.route-switch{display:inline-flex;align-items:center;position:relative;max-width:100%;vertical-align:middle}.route-switch select{appearance:none;-webkit-appearance:none;border:1px solid #ccd8ef;border-radius:7px;background:white;color:var(--ink);font:inherit;font-size:12px;line-height:1.5;min-height:38px;padding:8px 32px 8px 12px;cursor:pointer;max-width:100%}.route-chevron{pointer-events:none;position:absolute;right:12px;top:50%;transform:translateY(-58%);color:var(--blue);font-size:17px}.route-switch select:hover{border-color:var(--blue)}
@media(max-width:760px){.header{height:auto;min-height:111px;flex-wrap:wrap;justify-content:space-between;gap:0 12px;padding-top:14px}.header .brand{font-size:19px}.header-cta{display:block;padding:8px 11px;font-size:11px}.header nav{order:3;flex:0 0 100%;margin:0;justify-content:center;gap:32px;font-size:12px}.header nav a,.header nav a:first-child{display:block;padding:14px 0 15px}.header nav a.active:after{bottom:6px}.lesson-position{flex-wrap:wrap;gap:0 12px;margin:18px 0 28px}.lesson-position>span:first-child{order:0}.lesson-position>span:last-child{order:1;margin-left:auto}.position-segments{order:2;flex:0 0 100%;gap:5px;margin-top:4px}.question-recap-heading{align-items:flex-start;flex-wrap:wrap;gap:12px}.question-recap-heading .micro-label{margin-top:9px}.lesson-meta .route-switch select{font-size:11px;min-height:36px}.brand .brand-name{letter-spacing:-.7px}}
@media(max-width:360px){.header .brand{font-size:17px}.header-cta{padding:7px 9px}.header{column-gap:8px}}
/* Shared orientation stays visible while reading. */
:root{--header-height:82px;--nav-height:82px}
html{scroll-padding-top:calc(var(--header-height) + 24px)}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 4px 24px #14243c05}
.skip{position:fixed;z-index:100}
.header nav a{transition:color .16s}
.button,.header-cta{border-radius:10px}
.module-number{font-size:11px;letter-spacing:.025em}
.overview-note{max-width:820px;margin:0 0 15px;padding:17px 20px;border:1px solid var(--line);background:var(--surface);border-radius:11px}
.overview-note p{font-size:12px}
.modules-section{padding-top:24px}

/* A single visual grammar for question, research design and answer. */
.hero{gap:6%;grid-template-columns:1.05fr 1fr}
.research-map{margin:0;border:1px solid #dce3ed;border-radius:18px;padding:28px 27px 0;background:#fbfcfe;box-shadow:0 18px 48px #14243c07}
.research-map figcaption{margin:0 0 26px}
.research-map figcaption>.micro-label{color:var(--blue);font-size:9px;letter-spacing:.1em;margin-bottom:12px}
.research-map h2{font-size:27px;line-height:1.2;letter-spacing:-.035em;font-weight:650;margin:0}
.research-stages{list-style:none;margin:0;padding:0;display:grid}
.research-stages>li{position:relative;display:grid;grid-template-columns:28px minmax(0,1fr);gap:16px;padding:0 0 28px}
.research-stages>li:not(:last-child):before{content:"";position:absolute;top:28px;bottom:0;left:13px;border-left:1px solid #ccd7e9}
.stage-index{position:relative;z-index:1;display:grid;place-items:center;width:28px;height:28px;border:1px solid #cbd7ef;border-radius:50%;background:white;color:var(--blue);font-size:11px;font-weight:700}
.stage-label{display:block;color:var(--muted);font-size:9px;letter-spacing:.055em;text-transform:uppercase;margin:3px 0 6px;font-weight:650}
.research-stages h3{font-size:17px;letter-spacing:-.025em;line-height:1.35;margin:0 0 6px;font-weight:650}
.research-stages p{font-size:12px;line-height:1.7;color:var(--text);margin:0}


.research-routes{display:flex;flex-wrap:wrap;gap:6px 13px;margin-top:11px}
.research-routes>span{display:inline-flex;align-items:center;gap:5px;font-size:9px;color:var(--text);line-height:1.6}
.research-routes .route-dot{height:5px;width:5px}
.research-map .research-map-note{display:flex;gap:10px;align-items:flex-start;border-top:1px solid var(--line);padding:17px 0 18px;margin:0;font-size:10px;line-height:1.7;color:var(--muted)}
.research-map-note>span{font-size:17px;line-height:1.1;color:var(--blue)}

/* Lea remains a recognisable, explicitly fictional companion. */
.case-intro{grid-template-columns:.8fr 1.2fr;align-items:center;gap:30px;background:#f4f7fc;padding:34px 40px}
.lea-feature{margin:0;align-self:center;text-align:center}
.lea-feature img{display:block;width:100%;max-width:320px;height:auto;margin:0 auto;object-fit:contain;filter:drop-shadow(0 12px 15px #14243c08)}
.lea-feature figcaption{font-size:10px;letter-spacing:.02em;color:var(--muted);margin-top:5px}
.case-note{overflow:visible;border-color:#dae2ee;background:#fff;margin-top:25px}
.case-note>summary{display:flex;align-items:center;gap:18px;min-height:116px;padding:15px 52px 15px 16px;border-radius:12px}
.case-note>summary:hover{background:#f8faff}
.case-note[open]>summary{border-radius:12px 12px 0 0;background:#f8faff}
.case-avatar{width:84px;height:84px;flex:0 0 84px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:#f0f4fc;overflow:hidden}
.case-avatar img{display:block;width:84px;height:84px;object-fit:contain}
.case-summary-copy{min-width:0;display:block}
.case-note>summary .case-summary-copy>.eyebrow{font-size:8px;margin:0 0 8px;color:#4c658b;line-height:1.6;letter-spacing:.07em}
.case-note>summary .case-summary-copy>.case-title{font-size:16px;line-height:1.5;font-weight:650}
.case-note>.case-body{border-radius:0 0 12px 12px;background:#fbfcff}
.case-path-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:30px 0 -16px;padding:0 1px;font-size:11px;color:var(--muted)}
.case-path-bar+.case-note{margin-top:25px}

/* Compact button and popover used wherever an example path changes. */
.path-menu{position:relative;display:inline-block;flex:0 0 auto;text-transform:none;letter-spacing:0}
.path-trigger{display:inline-flex;align-items:center;gap:9px;min-height:40px;list-style:none;cursor:pointer;border:1px solid #d5dfee;background:white;padding:9px 12px;border-radius:10px;color:var(--ink);font-size:12px;font-weight:550;line-height:1.5;box-shadow:0 2px 4px #14243c04;transition:background .15s,border-color .15s,box-shadow .15s}
.path-trigger::-webkit-details-marker{display:none}
.path-trigger:hover,.path-menu[open]>.path-trigger{background:#f6f8fe;border-color:#9db5e9;box-shadow:0 3px 9px #2459e80a}
.path-trigger svg{height:16px;width:16px;margin-left:5px;color:#59749d;transition:transform .15s}
.path-menu[open]>.path-trigger svg{transform:rotate(180deg)}
.path-popover{position:absolute;right:0;top:calc(100% + 8px);z-index:30;width:244px;padding:9px;border:1px solid #dbe3ef;background:white;border-radius:13px;box-shadow:0 14px 38px #14243c1a;text-align:left}
.path-popover>.micro-label{font-size:9px;color:var(--muted);padding:8px 10px 9px}
.path-popover>a{display:flex;align-items:center;gap:10px;width:100%;min-height:43px;border:0;padding:10px;border-radius:7px;background:transparent;text-align:left;color:var(--text);font-size:12px}
.path-popover>a:hover{background:var(--surface)}
.path-popover>a[aria-current=page]{background:var(--blue-soft);color:#1d47ad;font-weight:650}
.path-popover .path-check{margin-left:auto;color:var(--blue)}
.path-popover>p{font-size:10px!important;line-height:1.65!important;color:var(--muted);border-top:1px solid var(--line);margin:7px 1px 0!important;padding:10px 9px 4px}
.question-recap-heading{align-items:center}

/* The complete course navigation appears only inside lessons. */
.course-layout{width:92%;max-width:1360px;margin:0 auto;display:grid;grid-template-columns:220px minmax(0,800px);gap:36px;justify-content:start;align-items:start}
.course-layout>.reader-container{width:100%;max-width:800px;min-width:0;margin:0}
#lesson-content:focus{outline:none}
.course-sidebar{position:sticky;top:calc(var(--header-height) + 23px);max-height:calc(100dvh - var(--header-height) - 46px);overflow-y:auto;scrollbar-width:thin;margin-top:30px;padding:0 10px 15px 0}
.sidebar-toggle{display:none}
.sidebar-heading{display:flex;flex-direction:column;gap:7px;padding:6px 10px 19px;border-bottom:1px solid var(--line);margin-bottom:11px}
.sidebar-heading>.micro-label{font-size:10px;color:var(--ink)}
.sidebar-heading>span:last-child{font-size:10px;color:var(--muted)}
.sidebar-nav ol{list-style:none;padding:0;margin:0}
.sidebar-group{margin:0 0 4px}
.sidebar-module{display:flex;flex-direction:column;gap:3px;padding:10px 10px;border-radius:8px;border:1px solid transparent;line-height:1.45;transition:background .15s}
.sidebar-module>span{font-size:9px;color:var(--muted)}
.sidebar-module>strong{font-size:11px;font-weight:550;letter-spacing:-.005em}
.sidebar-module:hover{background:#f5f7fc}
.sidebar-group.is-current>.sidebar-module{background:var(--blue-soft);border-color:#dce5fb;color:#1e48b0}
.sidebar-group.is-current>.sidebar-module>span{color:var(--blue)}
.sidebar-nav .sidebar-lessons{margin:9px 0 13px 12px;padding-left:12px;border-left:1px solid #d4dff4}
.sidebar-lessons li{margin:0 0 4px}
.sidebar-lessons a{display:flex;gap:8px;padding:6px 3px;font-size:10px;line-height:1.6;color:var(--muted)}
.sidebar-lessons a>span{min-width:14px;flex:0 0 14px;font-size:9px;padding-top:1px}
.sidebar-lessons a[aria-current=page]{color:var(--blue);font-weight:650}
.sidebar-lessons a:hover{color:var(--blue)}
.sidebar-overview{display:block;border-top:1px solid var(--line);padding:17px 10px 5px;margin-top:18px;color:var(--muted);font-size:10px}
.sidebar-overview>span{float:right;color:var(--blue)}
.lesson-position{margin:29px 0 34px}
.position-segments a{font-size:9px;min-height:38px;min-width:0;white-space:nowrap}
.position-segments a:after{bottom:3px}
.reader-heading h1{font-size:clamp(35px,3.5vw,51px)}
.lesson,.reader-heading{max-width:760px}
.lesson-meta{margin-bottom:20px}
.reader-heading .eyebrow{margin-bottom:13px}
.lesson-focus{margin-bottom:32px}

/* Course resources use the same download patterns in lessons and the toolkit. */
.toolkit-page{padding-bottom:70px}
.toolkit-page .tool-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;gap:22px}
.toolkit-page .download-card{padding:29px;display:flex;flex-direction:column;min-width:0}
.toolkit-page .download-card h2{font-size:28px;line-height:1.2;margin-bottom:18px}
.toolkit-page .download-card>p{font-size:13px;line-height:1.85}
.toolkit-page .download-card .tool-lesson{font-size:11px;margin:0 0 23px;color:var(--muted)}
.tool-lesson a:hover,.resource-toolkit:hover{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.tool-actions{display:flex;flex-wrap:wrap;align-items:flex-start;gap:10px;margin-top:auto;padding-top:5px}
.toolkit-page .tool-actions .button{margin:0;width:100%;gap:12px;justify-content:space-between;padding:13px 15px;font-size:12px}
.toolkit-page .download-card .download-note{font-size:10px;line-height:1.7;color:var(--muted);margin:17px 0 0;min-height:34px}
.toolkit-save-guide{margin-top:42px;padding:32px 0 0;border-top:1px solid var(--line)}
.toolkit-save-guide h2{font-size:30px;line-height:1.25;margin:12px 0 27px}
.toolkit-save-columns{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.toolkit-save-columns h3{font-size:18px;margin-bottom:20px}
.toolkit-save-columns p{font-size:12px;line-height:1.85}
.toolkit-save-guide .save-steps{list-style:none;padding:0;margin:0;counter-reset:save-step}
.save-steps li{counter-increment:save-step;position:relative;padding:0 0 19px 37px;margin:0;line-height:1.6}
.save-steps li:before{content:counter(save-step);position:absolute;left:0;top:1px;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--blue-soft);color:var(--blue);font-size:10px;font-weight:700}
.save-steps li strong{font-weight:650;font-size:12px}
.save-steps li p{font-size:11px;line-height:1.8;margin:5px 0 0}
.toolkit-save-guide .privacy-note{font-size:11px;line-height:1.8;margin:16px 0 0;padding-top:17px;border-top:1px solid var(--line);color:var(--muted)}
.course-resource{margin:35px 0;padding:25px;border:1px solid #dce5fa;border-radius:12px;background:#f6f8fe}
.lesson .course-resource h3{font-size:21px;margin:11px 0 13px}
.lesson .course-resource p{font-size:13px;line-height:1.85}
.resource-actions{display:flex;align-items:center;flex-wrap:wrap;gap:13px;margin-top:21px}
.resource-actions .button{font-size:12px;padding:12px 16px;gap:20px}
.resource-toolkit{font-size:11px;color:var(--text)}
.lesson .course-resource .resource-format{font-size:10px;color:var(--muted);margin:16px 0 0}

@media(min-width:761px) and (max-width:1050px){.toolkit-page .download-card{padding:23px}.toolkit-page .download-card h2{font-size:25px}.toolkit-save-columns{gap:35px}}
@media(max-width:760px){.toolkit-save-columns{grid-template-columns:1fr;gap:20px}.toolkit-save-guide{margin-top:30px;padding-top:26px}.toolkit-save-guide h2{font-size:26px}.toolkit-page .tool-actions .button{width:auto;min-width:220px}.course-resource{padding:21px}.resource-actions{align-items:flex-start;flex-direction:column}.resource-actions .button{width:100%;justify-content:space-between}.resource-toolkit{padding:4px 0}}

@media(min-width:1550px){.course-layout{gap:48px;grid-template-columns:230px minmax(0,800px)}}
@media(max-width:1120px){.course-layout{grid-template-columns:190px minmax(0,1fr);gap:30px;width:94%}.sidebar-module>strong{font-size:10px}.research-map{padding:24px 22px 0}.research-stages>li{gap:12px;grid-template-columns:28px minmax(0,1fr)}.research-map h2{font-size:25px}.research-stages h3{font-size:16px}}
@media(max-width:980px){.course-layout{display:block;width:88%;max-width:800px}.course-sidebar{position:static;overflow:visible;max-height:none;margin:22px 0 28px;padding:0;border:1px solid var(--line);border-radius:10px;background:white}.sidebar-toggle{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:47px;background:var(--surface);border:0;border-radius:10px;padding:12px 15px;font-size:11px;color:var(--ink);text-align:left}.sidebar-toggle>span:first-child{font-weight:650}.sidebar-toggle>span:last-child{font-size:10px;color:var(--muted)}.sidebar-toggle>span:last-child>span{margin-left:9px;color:var(--blue)}.course-sidebar[data-expanded=false]>.sidebar-nav{display:none}.sidebar-nav{padding:14px;max-height:62vh;overflow:auto;overscroll-behavior:contain}.sidebar-heading{display:none}.sidebar-module>strong{font-size:12px}.sidebar-module>span{font-size:10px}.sidebar-nav .sidebar-lessons a{font-size:11px;padding:8px 3px}.sidebar-lessons a>span{font-size:10px}.lesson-position{display:none}.course-layout>.reader-container{width:100%}.reader-heading h1{font-size:clamp(34px,4.5vw,48px)}.hero{gap:4%}.research-map h2{font-size:23px}.research-stages>li{grid-template-columns:28px minmax(0,1fr)}.research-stages p{font-size:11px}.research-stages h3{font-size:15px}.case-intro{padding:30px;gap:22px}}
@media(max-width:760px){:root{--header-height:111px}.hero{grid-template-columns:1fr;gap:34px}.research-map{width:100%;max-width:480px;margin:auto;padding:25px 24px 0}.research-map h2{font-size:27px}.research-stages>li{grid-template-columns:28px minmax(0,1fr);gap:15px}.research-stages h3{font-size:16px}.research-stages p{font-size:12px}.research-stages>li{padding-bottom:25px}.research-map figcaption{margin-bottom:26px}.case-intro{display:flex;flex-direction:column;padding:26px;gap:25px}.lea-feature img{width:240px;max-width:100%}.lea-feature{width:100%;max-width:260px}.case-note>summary{padding:14px 37px 14px 12px;gap:12px;min-height:105px}.case-avatar,.case-avatar img{width:70px;height:78px;flex-basis:70px}.case-note>summary .case-summary-copy>.eyebrow{font-size:7px;letter-spacing:.045em;margin-bottom:7px}.case-note>summary .case-summary-copy>.case-title{font-size:14px;line-height:1.5}.case-note>summary:after{right:13px;font-size:21px}.case-path-bar{font-size:10px;margin-top:27px}.path-trigger{font-size:11px;padding:8px 11px;min-height:38px}.path-popover{width:230px}.path-popover>a{min-height:45px;font-size:12px}.question-recap-heading .micro-label{margin-top:0}.question-recap-heading{gap:12px;flex-wrap:wrap}.toolkit-page .tool-grid{grid-template-columns:1fr;gap:18px}.toolkit-page .download-card{padding:25px}.toolkit-page{padding-bottom:45px}.save-guide h2{font-size:27px}.overview-note{padding:15px 16px;margin-bottom:8px}.overview-note p{font-size:11px}.modules-section{padding-top:20px}}
@media(prefers-reduced-motion:reduce){.path-trigger,.path-trigger svg,.sidebar-module{transition:none}}

/* Review is a literature-based path alongside the three primary-data approaches. */
.route-dot.review,.review .route-dot{background:#94600d}
.path-graphic{grid-template-columns:repeat(3,minmax(0,1fr))}
.path-graphic .lane.review{background:#fbf1df}
.path-families{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:27px 0 23px}
.lesson .path-family{margin:0;padding:21px;border:1px solid #dce4f2;border-radius:11px;background:white;min-width:0}
.lesson .path-family .micro-label{font-size:8px;letter-spacing:.075em;line-height:1.7}
.lesson .path-family h3{font-size:19px;line-height:1.3;letter-spacing:-.025em;margin:11px 0 12px}
.lesson .path-family>p{font-size:12px;line-height:1.8;margin:0 0 17px}
.path-family .method-tabs{display:flex;flex-direction:column;gap:8px;margin:0}
.path-family .method-tabs :is(button,a){justify-content:flex-start;text-align:left;min-height:44px;flex:none;padding:11px 13px;font-size:12px;line-height:1.5}
.path-family .method-tabs :is(button,a):hover{border-color:#a7bae2;background:#f6f8fe}
.path-family .method-tabs :is(button,a):is([aria-pressed=true],[aria-current=page]):hover{background:var(--blue-dark);color:white}
.lesson .path-family .path-family-note{font-size:11px;color:var(--muted);line-height:1.8;margin:17px 0 0}
.method-preview-title .route-label{font-size:11px;line-height:1.5}
@media(max-width:650px){.path-families{grid-template-columns:1fr;gap:13px;margin-top:22px}.lesson .path-family{padding:19px}.lesson .path-family h3{font-size:19px}.path-graphic{grid-template-columns:1fr}.path-graphic .connector{display:none}.path-graphic .lane{font-size:10px;padding:14px 9px}.path-graphic .lane b{font-size:11px}.path-trigger{max-width:100%;white-space:normal}.question-recap-heading .path-menu{max-width:100%}}
.lab-review-table{min-width:580px}.lab-review-table th:first-child{width:160px}.lab-review-table th .lab-button{width:100%;overflow-wrap:normal;word-break:normal}.review-scroll-hint{display:none}@media(max-width:650px){.review-scroll-hint{display:block;font-size:10px!important;color:var(--muted);margin:8px 0}}

/* Optional learning aids stay closed until the reader needs them. */
.support-details{margin:28px 0;border:1px solid #dbe4f2;border-radius:12px;background:#f8faff;overflow:clip}
.support-details>summary{cursor:pointer;padding:19px 22px;font-size:15px;line-height:1.55;font-weight:650;color:var(--ink)}
.support-details summary::marker{color:var(--blue)}
.support-details[open]>summary{border-bottom:1px solid var(--line)}
.support-body{padding:7px 22px 22px;background:white}
.lesson .support-body h3{font-size:18px;line-height:1.4;margin:22px 0 12px}
.lesson .support-body p,.lesson .support-body li{font-size:13px;line-height:1.85}
.support-body ul,.support-body ol{padding-left:21px}
.support-body li{margin-bottom:9px}
.support-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.support-body blockquote{margin:18px 0;padding:10px 17px;border-left:3px solid #c6d7ff;color:var(--text);font-size:14px}
.support-body details{margin-top:18px;border-top:1px solid var(--line);padding-top:15px}
.support-body details summary{cursor:pointer;font-size:14px;font-weight:600;line-height:1.6}
.support-example{background:var(--surface);padding:17px;border-radius:8px;margin-top:14px}
.support-example p:last-child{margin-bottom:0}
.support-criteria li::marker{color:var(--blue)}
.support-links li{margin-bottom:15px}
.support-feedback{margin-top:15px;padding:15px 17px;background:var(--blue-soft);border-radius:8px}
@media(max-width:650px){.support-details>summary{padding:17px;font-size:15px}.support-body{padding:5px 17px 18px}}

/* Readable, directly expandable course navigation. */
.sidebar-module-group>.sidebar-module{display:grid;grid-template-columns:minmax(0,1fr) 17px;gap:3px 8px;list-style:none;cursor:pointer;min-height:60px}
.sidebar-module::-webkit-details-marker{display:none}
.sidebar-module>span{grid-column:1;font-size:11px}
.sidebar-module>strong{grid-column:1;font-size:13px;line-height:1.5}
.sidebar-module>svg{grid-column:2;grid-row:1 / span 2;width:17px;height:17px;align-self:center;color:var(--muted);transition:transform .15s}
.sidebar-module-group[open]>.sidebar-module>svg{transform:rotate(180deg)}
.sidebar-group.is-current>.sidebar-module-group>.sidebar-module{background:var(--blue-soft);border-color:#dce5fb;color:#1e48b0}
.sidebar-group.is-current>.sidebar-module-group>.sidebar-module>span{color:var(--blue)}
.sidebar-nav .sidebar-lessons a{font-size:12px;min-height:40px;align-items:flex-start;padding:8px 3px}
.sidebar-lessons a>span{font-size:11px;min-width:17px;flex-basis:17px}
.sidebar-heading>span:last-child,.sidebar-overview{font-size:12px}
.position-segments a{font-size:11px}
.course-place{display:flex;align-items:center;gap:15px;max-width:720px;margin:22px 0;padding:15px 17px;border:1px solid #dce5f5;border-radius:10px;background:#f8faff}
.course-place>a{display:block;flex:1;min-width:0;color:var(--ink);font-size:13px;line-height:1.6}
.course-place>a>span{display:block;color:var(--muted);font-size:11px;margin-bottom:3px}
.course-place strong{font-weight:600}
.course-place a:hover strong{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.course-place>button{border:0;background:transparent;color:var(--muted);min-width:40px;min-height:40px;font-size:23px;border-radius:7px}
.course-place>button:hover{background:var(--blue-soft);color:var(--blue)}
.lesson .workbook-continue{font-size:12px;color:var(--ink);margin:18px 0 0}
.workbook-first{border-top:1px solid var(--line);padding-top:14px;margin-top:17px;font-size:12px}
.workbook-first>summary{cursor:pointer;font-weight:600;line-height:1.6}
.lesson .workbook-first p{font-size:12px;margin:14px 0}
@media(max-width:980px){.sidebar-toggle{font-size:13px;min-height:50px}.sidebar-toggle>span:last-child{font-size:12px}}
@media(prefers-reduced-motion:reduce){.sidebar-module>svg{transition:none}}

/* Editorial information is brief on entry, with details available on demand. */
.about .course-profile{margin-bottom:30px}
.editorial-meta{display:grid;grid-template-columns:1.2fr 1fr 1.1fr;gap:18px;padding:21px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:25px 0}
.editorial-meta dt{font-size:11px;line-height:1.6;color:var(--muted);margin-bottom:6px}
.editorial-meta dd{font-size:14px;line-height:1.6;margin:0;color:var(--ink);font-weight:600}
.about-details{border-bottom:1px solid var(--line)}
.about-details>summary{font-size:16px;font-weight:600;line-height:1.6;padding:19px 3px;cursor:pointer}
.about-details summary::marker{color:var(--blue)}
.about-details>div{padding:0 3px 22px}
.about .about-details p{font-size:14px;line-height:1.85}
.about .about-details .button{font-size:13px}
.about .about-details .muted,.support-source{font-size:12px!important;line-height:1.8;color:var(--muted)}
@media(max-width:650px){.editorial-meta{grid-template-columns:1fr;gap:15px}.about-details>summary{font-size:15px}}

.support-details>summary:focus-visible{outline-offset:-4px}
.support-example>.support-body{padding:0;background:transparent}
.support-example[open]>summary{margin-bottom:14px}

/* Source details stay secondary and readable when learners choose to open them. */
.source-body li,.source-catalog li{font-size:13px;line-height:1.8;margin-bottom:18px;overflow-wrap:anywhere}
.source-meta,.about .source-meta{display:block;font-size:12px;line-height:1.75;color:var(--text);margin:4px 0 0}
.support-details .source-meta{color:var(--text)}

/* Consent stays separate from course tasks; both choices have equal emphasis. */
footer{flex-wrap:wrap}
.footer-links{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;justify-content:flex-end;max-width:550px}
.footer-links a,.footer-links button{font:inherit;font-size:12px;line-height:1.6;color:var(--text)}
.footer-links button{padding:0;border:0;background:transparent;text-align:left}
.footer-links a:hover,.footer-links button:hover{text-decoration:underline;text-underline-offset:3px}
.analytics-consent{position:fixed;z-index:100;bottom:18px;left:50%;transform:translateX(-50%);width:min(960px,calc(100% - 36px));max-height:70vh;overflow-y:auto;padding:23px 26px;background:white;border:1px solid #c7d4ed;border-radius:15px;box-shadow:0 10px 48px #14243c2a}
.analytics-consent[hidden]{display:none}
.analytics-consent-heading{font-size:21px;letter-spacing:-.025em;margin:0 0 10px;line-height:1.3}
.analytics-consent-copy,.analytics-consent-copy p,.analytics-consent p{font-size:13px;line-height:1.8;color:var(--text);margin:0 0 12px}
.analytics-consent a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.analytics-consent-actions{display:flex;flex-wrap:wrap;gap:12px}
.analytics-consent-actions .button{flex:1;min-width:220px;background:#f5f7fc;border-color:#ccd7eb;color:var(--ink);font-weight:650;box-shadow:none}
.analytics-consent-actions .button:hover{background:var(--blue-soft);border-color:var(--blue)}
.analytics-consent-status{font-size:12px!important;margin-top:10px!important}
.analytics-consent-close{flex-basis:100%;padding:4px 0;border:0;background:transparent;color:var(--text);font-size:12px;text-align:left;text-decoration:underline;text-underline-offset:3px;min-height:28px}
.legal-page{max-width:850px;padding-bottom:65px}
.legal-page .page-heading{max-width:none;padding-bottom:24px}
.legal-page section:not(.page-heading){margin:28px 0}
.legal-page h2{font-size:25px;margin-bottom:15px}
.legal-page p{font-size:15px;line-height:1.9}
.legal-page a:not(.button){color:var(--blue);text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.legal-page .legal-date{font-size:12px;color:var(--muted);margin:18px 0 0}
.legal-page code{font-size:.9em}
@media(max-width:650px){.footer-links{justify-content:flex-start;gap:10px 16px}.analytics-consent{bottom:10px;width:calc(100% - 20px);padding:18px;border-radius:12px;max-height:65vh}.analytics-consent-heading{font-size:20px}.analytics-consent-actions{gap:9px}.analytics-consent-actions .button{min-width:0;width:100%;flex-basis:100%;padding:12px 14px}.legal-page h2{font-size:23px}.legal-page p{font-size:14px}}

/* Approved BachelorLotse book-and-arrow identity. Explicit dimensions reserve layout space. */
.brand .brand-icon{display:flex;align-items:center;justify-content:center;flex:0 0 auto;width:46px;height:33px;background:transparent;border-radius:0}
.brand-icon img{display:block;width:100%;height:100%;object-fit:contain}
footer .brand .brand-icon{width:36px;height:26px}
@media(max-width:760px){.header .brand .brand-icon{width:40px;height:29px}}
@media(max-width:360px){.header .brand .brand-icon{width:37px;height:27px}}