@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-border-style:solid;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--radius-sm:.25rem;--radius-md:.375rem;--radius-lg:.5rem;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.collapse{visibility:collapse}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.block{display:block}.hidden{display:none}.inline{display:inline}.table{display:table}.border{border-style:var(--tw-border-style);border-width:1px}.lowercase{text-transform:lowercase}.uppercase{text-transform:uppercase}.underline{text-decoration-line:underline}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--navy-950:#020817;--navy-900:#07172f;--navy-800:#102849;--navy-700:#173962;--cyan-500:#05bde3;--cyan-300:#67e8f9;--yellow-400:#ffd43b;--paper:#f7fafc;--surface:#fff;--surface-subtle:#edf5f8;--ink:#0b1628;--muted:#516071;--border:#b8c7d1;--success:#087a55;--danger:#b42318;--success-bg:#087a55;--danger-bg:#b42318;--accent-text:#006b80;--focus:#005fcc;--shadow:0 18px 50px #07172f1a;--radius-sm:.45rem;--radius-md:.8rem;--radius-lg:1.25rem;--text-scale:1}:root[data-theme=dark]{--paper:#020817;--surface:#0a1b34;--surface-subtle:#102849;--ink:#f8fbff;--muted:#c3d2de;--border:#55718a;--success:#65e7bd;--danger:#ff9b94;--success-bg:#087a55;--danger-bg:#a81e15;--accent-text:#67e8f9;--focus:#ffd43b;--shadow:0 18px 50px #00000059}:root[data-contrast=high]{--paper:#fff;--surface:#fff;--surface-subtle:#fff;--ink:#000;--muted:#000;--border:#000;--navy-900:#000;--navy-800:#000;--cyan-500:#005fcc;--yellow-400:#ffdf00;--focus:red;--accent-text:#000;--shadow:none}:root[data-theme=dark][data-contrast=high]{--paper:#000;--surface:#000;--surface-subtle:#000;--ink:#fff;--muted:#fff;--border:#fff;--cyan-500:#7eeeff;--focus:#ffdf00;--accent-text:#fff}:root[data-text-size=large]{--text-scale:1.125}:root[data-text-size=x-large]{--text-scale:1.25}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink);font-size:calc(100% * var(--text-scale));scroll-behavior:smooth}body{background:var(--paper);min-height:100vh;color:var(--ink);text-rendering:optimizelegibility;flex-direction:column;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;display:flex}main{flex:1}img{max-width:100%;height:auto}a{color:inherit;text-underline-offset:.18em}button,input,select,textarea{font:inherit}button,[role=button],input,select,textarea,summary,a{touch-action:manipulation}:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:.2rem}:root[data-focus=enhanced] :focus-visible{outline-offset:5px;outline-width:5px}::selection{background:var(--yellow-400);color:#07172f}.skip-link{z-index:1000;border:3px solid var(--yellow-400);border-radius:var(--radius-sm);background:var(--navy-950);color:#fff;padding:.75rem 1rem;font-weight:800;position:fixed;top:.75rem;left:.75rem;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.page-shell{width:min(100% - 2rem,74rem);margin-inline:auto}.narrow-shell{width:min(100% - 2rem,48rem);margin-inline:auto}.site-header{z-index:20;background:var(--navy-900);color:#fff;border-bottom:1px solid #ffffff29;position:relative}.header-inner{align-items:center;gap:1.5rem;min-height:4.7rem;display:flex}.brand-link{letter-spacing:-.03em;align-items:center;gap:.7rem;font-size:1.28rem;font-weight:850;text-decoration:none;display:inline-flex}.brand-link img{border-radius:.55rem}.desktop-nav{margin-left:auto}.desktop-nav ul,.header-actions,.footer-grid ul,.mobile-menu ul{margin:0;padding:0;list-style:none}.desktop-nav ul,.header-actions{align-items:center;gap:.2rem;display:flex}.desktop-nav a,.sign-in-link{border-radius:var(--radius-sm);padding:.65rem .8rem;font-weight:690;text-decoration:none;display:inline-block}.desktop-nav a:hover,.sign-in-link:hover{background:#ffffff1a;text-decoration:underline}.header-actions{margin-left:.3rem}.mobile-menu{margin-left:auto;display:none;position:relative}.mobile-menu summary{cursor:pointer;border-radius:var(--radius-sm);border:1px solid #ffffff80;place-items:center;min-height:2.75rem;padding:.45rem .8rem;font-weight:750;list-style:none;display:grid}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{border:2px solid var(--border);border-radius:var(--radius-md);background:var(--surface);min-width:min(19rem,100vw - 2rem);color:var(--ink);box-shadow:var(--shadow);padding:.65rem;position:absolute;top:calc(100% + .6rem);right:0}.mobile-menu a{border-radius:var(--radius-sm);padding:.75rem;font-weight:700;display:block}.button-row{flex-wrap:wrap;align-items:center;gap:.8rem;display:flex}.button{border-radius:var(--radius-sm);cursor:pointer;border:2px solid #0000;justify-content:center;align-items:center;gap:.5rem;min-height:2.85rem;padding:.68rem 1rem;font-weight:800;line-height:1.2;text-decoration:none;display:inline-flex}.button:hover{text-decoration:underline;text-decoration-thickness:2px}.button-primary{background:var(--navy-900);color:#fff;border-color:var(--navy-900)}.button-primary:hover{background:var(--navy-700)}.button-secondary{color:var(--navy-900);border-color:var(--navy-900);background:0 0}:root[data-theme=dark] .button-secondary{color:#fff;border-color:var(--cyan-300)}.button-accent{background:var(--yellow-400);color:#07172f;border-color:var(--yellow-400)}.button-danger{color:#fff;background:var(--danger-bg);border-color:var(--danger-bg)}.button-quiet{background:var(--surface);color:var(--ink);border-color:var(--border)}.button-small{min-height:2.45rem;padding:.5rem .8rem}.button[disabled],button[disabled]{cursor:not-allowed;opacity:.58}.hero{background:linear-gradient(140deg, var(--navy-950) 0%, var(--navy-800) 75%, #0b5870 120%);color:#fff;overflow:hidden}.hero-grid{grid-template-columns:minmax(0,1.2fr) minmax(19rem,.8fr);align-items:center;gap:clamp(2rem,6vw,5rem);min-height:39rem;padding-block:clamp(3.5rem,8vw,7rem);display:grid}.hero-copy h1{letter-spacing:-.058em;max-width:13ch;margin:.45rem 0 1.25rem;font-size:clamp(2.7rem,6.7vw,5.5rem);line-height:.99}.hero-intro{color:#d9edf5;max-width:43rem;margin:0 0 1.5rem;font-size:clamp(1.12rem,2vw,1.35rem)}.hero .button-primary{background:var(--yellow-400);border-color:var(--yellow-400);color:#07172f}.hero .button-secondary{color:#fff;border-color:#a7d6e4}.hero-note{color:#c4dce6;margin:1.1rem 0 0;font-size:.94rem}.eyebrow{color:var(--accent-text);letter-spacing:.13em;text-transform:uppercase;margin:0;font-size:.8rem;font-weight:850}.hero .eyebrow{color:var(--cyan-300)}.orientation-card{border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#040f229e;border:1px solid #ffffff40;padding:1.4rem;box-shadow:0 24px 70px #0000004d}.orientation-brand{border-bottom:1px solid #fff3;align-items:center;gap:1rem;padding-bottom:1rem;display:flex}.orientation-brand img{border-radius:.8rem}.orientation-brand h2{margin:.1rem 0 0;font-size:1.4rem}.card-kicker{color:var(--muted);letter-spacing:.09em;text-transform:uppercase;margin:0;font-size:.78rem;font-weight:820}.orientation-card .card-kicker{color:#a9cedc}.listen-list{margin:1rem 0;padding:0;list-style:none}.listen-list li{border-bottom:1px solid #ffffff24;gap:.1rem;padding:.75rem 0;display:grid}.listen-list span{color:#acd0dd;font-size:.82rem}.listen-list strong{font-size:.98rem}.status-chip{color:#9cf1cf;background:#123b38;border-radius:999px;margin:.2rem 0 0;padding:.4rem .7rem;font-size:.84rem;font-weight:750;display:inline-block}.section{padding-block:clamp(3.5rem,7vw,6rem)}.section-tinted{background:var(--surface-subtle)}.section-heading{max-width:48rem;margin-bottom:2rem}.section-heading h2,.split-feature h2,.callout-card h2,.page-heading h1{letter-spacing:-.045em;margin:.35rem 0 .65rem;font-size:clamp(2rem,4.2vw,3.35rem);line-height:1.08}.section-heading>p:last-child,.split-feature>div>p{color:var(--muted);font-size:1.08rem}.outcome-grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.outcome-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);flex-direction:column;min-height:18rem;padding:1.5rem;display:flex;box-shadow:0 10px 30px #07172f0d}.outcome-number{color:var(--cyan-500);letter-spacing:.1em;margin:0 0 auto;font-weight:900}.outcome-card h3{margin:1.5rem 0 .5rem;font-size:1.35rem;line-height:1.2}.outcome-card p:last-child{color:var(--muted);margin:0}.split-feature{grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(2rem,7vw,6rem);display:grid}.text-link{color:var(--navy-700);margin-top:.5rem;font-weight:820;display:inline-block}:root[data-theme=dark] .text-link{color:var(--cyan-300)}.reader-panel{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow);padding:1.4rem}.reader-list{margin:.55rem 0 0;padding:0;list-style:none}.reader-list li{border-bottom:1px solid var(--border);justify-content:space-between;gap:1rem;padding:.8rem 0;display:flex}.reader-list li:last-child{border-bottom:0}.reader-list span{color:var(--muted);text-align:right}.callout-section{padding-top:2rem}.callout-card{border-radius:var(--radius-lg);background:var(--navy-900);color:#fff;justify-content:space-between;align-items:center;gap:2rem;padding:clamp(1.5rem,5vw,3rem);display:flex}.callout-card .eyebrow{color:var(--cyan-300)}.callout-card h2{margin-bottom:.25rem}.callout-card p:last-child{color:#cce0e9;margin:0}.callout-card .button-primary{background:var(--yellow-400);border-color:var(--yellow-400);color:#07172f;flex:none}.page-header{background:var(--surface-subtle);border-bottom:1px solid var(--border);padding-block:2.6rem 2rem}.page-heading{max-width:51rem}.page-heading p{max-width:46rem;color:var(--muted);margin:.6rem 0 0;font-size:1.08rem}.breadcrumb{margin-bottom:.8rem}.breadcrumb ol{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.4rem;margin:0;padding:0;font-size:.92rem;list-style:none;display:flex}.breadcrumb li:not(:last-child):after{content:"/";color:var(--border);margin-left:.4rem}.content-section{padding-block:2.5rem 4.5rem}.card-grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.content-card{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);padding:1.3rem}.content-card h2,.content-card h3{margin:.25rem 0 .45rem;line-height:1.25}.content-card p{color:var(--muted)}.content-card .button{margin-top:.4rem}.card-meta{flex-wrap:wrap;gap:.45rem;margin:0 0 .75rem;display:flex}.pill{background:var(--surface-subtle);min-height:1.75rem;color:var(--ink);border-radius:999px;align-items:center;padding:.2rem .55rem;font-size:.78rem;font-weight:780;display:inline-flex}.pill-warning{color:#4d3500;background:#fff3c4}.progress-block{margin-block:.75rem}.progress-label{justify-content:space-between;gap:1rem;font-size:.9rem;font-weight:750;display:flex}progress{width:100%;height:.75rem;accent-color:var(--success)}.dashboard-grid{grid-template-columns:1.35fr .65fr;align-items:start;gap:1rem;display:grid}.dashboard-stack{gap:1rem;display:grid}.stat-grid{grid-template-columns:repeat(3,1fr);gap:.75rem;display:grid}.stat-card{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);padding:1.1rem}.stat-card strong{font-size:1.8rem;line-height:1.1;display:block}.stat-card span{color:var(--muted);font-size:.9rem}.lesson-layout{grid-template-columns:minmax(0,1fr) 18rem;align-items:start;gap:2.5rem;display:grid}.lesson-main{min-width:0}.lesson-sidebar{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);padding:1.1rem;position:sticky;top:1rem}.lesson-sidebar h2{margin-top:0;font-size:1rem}.command-list{gap:.75rem;margin:0;display:grid}.command-list div{gap:.15rem;display:grid}.command-list dt{font-weight:820}.command-list dd{color:var(--muted);margin:0}kbd{border:1px solid var(--border);background:var(--surface-subtle);border-bottom-width:3px;border-radius:.3rem;padding:.12rem .4rem;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.85em}.lesson-objective{border-left:5px solid var(--cyan-500);background:var(--surface-subtle);padding:1rem 1.1rem}.lesson-objective strong{display:block}.lab-shell{border:2px solid var(--navy-800);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow);margin-block:1.8rem;padding:clamp(1.1rem,3vw,1.6rem)}:root[data-theme=dark] .lab-shell{border-color:var(--cyan-300)}.lab-header{border-bottom:1px solid var(--border);padding-bottom:1rem}.lab-header h2{margin:.15rem 0 .3rem;font-size:1.45rem}.lab-header p{color:var(--muted);margin:0}.practice-area{border:1px dashed var(--border);border-radius:var(--radius-md);background:var(--surface-subtle);margin-block:1.25rem;padding:1.1rem}.practice-area h3{margin-top:0}.practice-area :last-child{margin-bottom:0}.task-box{border-radius:var(--radius-md);color:#07172f;background:#e9f9fc;margin-block:1.2rem;padding:1rem}.task-box strong{display:block}.task-box p{margin-block:0 .75rem}.task-box p:last-child{margin-bottom:0}.task-command-list{margin:.4rem 0 0;padding-inline-start:1.5rem}.task-command-list li+li{margin-top:.35rem}:root[data-theme=dark] .task-box{color:#fff;background:#10394b}.feedback{min-height:1.75rem;margin-block:.8rem;font-weight:750}.feedback.success{color:var(--success)}.feedback.error{color:var(--danger)}.hint-box,.debrief{border:1px solid var(--border);border-radius:var(--radius-md);margin-block:1rem;padding:1rem}.hint-box summary,.debrief summary{cursor:pointer;font-weight:800}.lesson-actions{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:.75rem;padding-top:1.2rem;display:flex}.lesson-nav{justify-content:space-between;gap:1rem;margin-top:2rem;display:flex}.lesson-nav a{font-weight:800}.barrier-warning{border-radius:var(--radius-md);color:#371007;background:#fff2ee;border:3px solid #c83d20;margin-block:1rem;padding:1rem}:root[data-theme=dark] .barrier-warning{color:#ffe6df;background:#3a160f}.form-stack{gap:1rem;display:grid}.field{gap:.35rem;display:grid}.field label,.field-label{font-weight:800}.field-hint{color:var(--muted);margin:0;font-size:.9rem}.text-input,.select-input,textarea,input[type=search],input[type=text],input[type=email],input[type=password],input[type=number],input[type=date]{border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);width:100%;min-height:2.85rem;color:var(--ink);padding:.62rem .72rem}textarea{resize:vertical;min-height:7rem}fieldset{border:2px solid var(--border);border-radius:var(--radius-md);margin:0;padding:1rem}legend{padding-inline:.35rem;font-weight:850}.choice-list{gap:.65rem;display:grid}.choice{align-items:flex-start;gap:.6rem;min-height:2.2rem;display:flex}.choice input{width:1.3rem;height:1.3rem;accent-color:var(--navy-700);flex:none;margin-top:.2rem}.toggle-row{justify-content:space-between;align-items:center;gap:1rem;padding:.8rem 0;display:flex}.switch-button{border:2px solid var(--border);background:var(--surface-subtle);min-width:4.6rem;min-height:2.6rem;color:var(--ink);border-radius:999px;padding:.35rem .65rem;font-weight:850}.switch-button[aria-checked=true],.switch-button[aria-pressed=true]{background:var(--success-bg);border-color:var(--success-bg);color:#fff}.auth-layout{place-items:center;min-height:67vh;padding-block:3rem;display:grid}.auth-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);width:min(100%,31rem);box-shadow:var(--shadow);padding:clamp(1.2rem,4vw,2rem)}.auth-card h1{letter-spacing:-.035em;margin:0 0 .35rem;font-size:2rem}.auth-card>p{color:var(--muted);margin:0 0 1.4rem}.form-message{border-radius:var(--radius-sm);background:var(--surface-subtle);padding:.75rem}.form-message.error{border-left:5px solid var(--danger)}.settings-layout{grid-template-columns:14rem minmax(0,1fr);align-items:start;gap:2rem;display:grid}.settings-nav{position:sticky;top:1rem}.settings-nav ul{margin:0;padding:0;list-style:none}.settings-nav a{padding:.55rem;display:block}.settings-section{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);padding:1.4rem}.settings-section+.settings-section{margin-top:1rem}.settings-section h2{margin-top:0}.notification-choice-hint{margin-top:.25rem;display:block}.quick-guide{border-left:5px solid var(--cyan-500);background:var(--surface-subtle);margin-top:1.25rem;padding:1rem}.quick-guide h3{margin-top:0}.device-suggestion{border:2px solid var(--border);border-radius:var(--radius-md);background:var(--surface-subtle);margin-bottom:1.25rem;padding:1rem}.device-suggestion h3{margin-top:0}.setup-check{border-left:5px solid var(--cyan-500);background:var(--surface-subtle);margin-bottom:1.25rem;padding:1rem}.setup-check h3{margin-top:0}.setup-check li+li{margin-top:.75rem}.confidence-check{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);margin-block:1rem;padding:1rem}.confidence-check h2{margin-top:0;font-size:1.25rem}.confidence-options{gap:.45rem;display:grid}.confidence-check .button{margin-top:.8rem}.tab-list{border-bottom:2px solid var(--border);gap:.3rem;max-width:100%;display:flex;overflow-x:auto}.tab-list button{min-height:2.75rem;color:var(--ink);background:0 0;border:0;border-bottom:4px solid #0000;flex:none;padding:.6rem .8rem;font-weight:800}.tab-list button[aria-selected=true]{border-bottom-color:var(--cyan-500)}.tab-panel{padding-block:1rem}.dialog-backdrop{z-index:50;background:#000000b3;place-items:center;padding:1rem;display:grid;position:fixed;inset:0}.dialog-card{border-radius:var(--radius-lg);background:var(--surface);width:min(100%,31rem);color:var(--ink);padding:1.4rem}.dialog-card::backdrop{background:#000000b8}.dialog-card h3{margin-top:0}.dialog-card[open]{border:3px solid var(--focus);max-height:min(90vh,42rem);overflow:auto}.result-dialog{position:relative}.dialog-close{border:2px solid var(--border);background:var(--surface);width:2.75rem;height:2.75rem;color:var(--ink);cursor:pointer;border-radius:999px;font-size:1.8rem;font-weight:800;line-height:1;position:absolute;top:.55rem;right:.55rem}.sample-table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%}caption{text-align:left;padding:.55rem;font-weight:850}th,td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:.65rem}th{background:var(--surface-subtle)}.product-grid{grid-template-columns:repeat(2,1fr);gap:.75rem;display:grid}.product-card{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);padding:1rem}.product-card h4{margin:0 0 .25rem}.product-card p{margin:.25rem 0}.store-search{gap:.75rem;margin-block:1rem;display:grid}.store-filters{background:var(--surface);margin-block:1rem}.store-filter-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:end;gap:1rem;display:grid}.store-stock-filter{align-self:center}.result-summary{border-left:5px solid var(--cyan-500);background:var(--surface);padding:.75rem}.stock-available{color:var(--success);font-weight:800}.stock-unavailable{color:var(--danger);font-weight:800}.product-card .field{margin-block:.8rem}.practice-basket{border:2px solid var(--border);border-radius:var(--radius-md);background:var(--surface);margin-top:1.25rem;padding:1rem}.practice-basket h4{margin-top:0}.practice-basket li+li{margin-top:.5rem}.image-comparison{grid-template-columns:repeat(2,1fr);gap:1rem;display:grid}.image-sample{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);padding:1rem}.image-sample img{border-radius:var(--radius-sm);width:100%}.image-sample iframe,input[type=file],input[type=range]{width:100%;max-width:100%}.admin-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:.75rem;margin-bottom:1rem;display:flex}.account-filters{grid-template-columns:minmax(14rem,2fr) minmax(11rem,1fr);gap:.8rem;margin-block:1rem;display:grid}.account-status{border:2px solid;border-radius:999px;padding:.2rem .55rem;font-weight:800;display:inline-block}.account-status-active{color:var(--success)}.account-status-suspended{color:var(--danger)}.table-actions{flex-wrap:wrap;gap:.35rem;display:flex}.danger-zone{border:2px solid var(--danger);border-radius:var(--radius-md);margin-top:2rem;padding:1.2rem}.danger-zone h2{color:var(--danger);margin-top:0}.assignment-list{gap:.75rem;padding:0;list-style:none;display:grid}.assignment-list li{border:1px solid var(--border);border-radius:var(--radius-sm);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;padding:.75rem;display:flex}.notice{border-left:5px solid var(--cyan-500);background:var(--surface-subtle);padding:1rem}.notice strong{display:block}.source-list li+li{margin-top:.75rem}.lesson-references{border-top:1px solid var(--border);margin-top:2rem;padding-top:1.5rem}.reference-list{gap:.8rem;padding:0;list-style:none;display:grid}.reference-list li{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);padding:1rem}.reference-list h3{margin:0;font-size:1.05rem}.reference-list p{margin:.35rem 0}.reference-meta{color:var(--muted);font-size:.9rem;font-weight:750}.reference-list a{margin-top:.3rem;font-weight:800;display:inline-block}.plain-list li+li{margin-top:.45rem}.mastery-section{margin-top:2.5rem}.mastery-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;display:grid}.mastery-card,.review-card{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);padding:1rem}.mastery-card h3{margin:0}.mastery-card progress{width:100%;min-height:1rem;accent-color:var(--cyan-500)}.mastery-status{color:var(--accent-text);font-weight:850}.review-card{margin-top:1rem}.review-card h3{margin-top:0}:is(body:has(.immersive-practice)>.skip-link,body:has(.immersive-practice)>.site-header,body:has(.immersive-practice)>.site-footer){display:none}body:has(.immersive-practice){color:#17212b;background:#f5f7fa;display:block}.immersive-practice{--dummy-accent:#006c5b;--dummy-dark:#17324d;color:#17212b;background:#f5f7fa;min-height:100vh;font-family:Arial,Helvetica,sans-serif}.practice-safety-bar{color:#211b00;background:#ffed9e;border-bottom:2px solid #9a7300;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;min-height:3rem;padding:.55rem max(1rem,50% - 38rem);display:flex}.practice-exit-link{border:2px solid;border-radius:.25rem;padding:.35rem .65rem;font-weight:800;display:inline-block}.practice-tools{background:#e7edf2;border-bottom:1px solid #aeb9c3;flex-wrap:wrap;gap:.45rem;padding:.65rem max(1rem,50% - 38rem);display:flex}.practice-tools button,.practice-tools a,.practice-page-map button,.practice-event-history button{color:#17212b;cursor:pointer;background:#fff;border:2px solid #52616f;border-radius:.3rem;align-items:center;min-height:2.75rem;padding:.5rem .75rem;font-weight:800;display:inline-flex}.practice-page-map,.practice-event-history{color:#17212b;background:#fff;border:2px solid #52616f;border-radius:.4rem;width:min(100% - 2rem,76rem);margin:1rem auto;padding:1rem}.practice-page-map h2{margin-top:0}.practice-event-history summary{cursor:pointer;font-weight:850}.practice-event-history li+li{margin-top:.4rem}.practice-save-status{color:#43515d;width:min(100% - 2rem,48rem);margin:.75rem auto;font-size:.9rem}.practice-feedback-dialog textarea{color:#17212b;background:#fff;border-color:#667684;min-height:7rem}.dummy-site-header{background:#fff;border-bottom:1px solid #c8d1d9;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.25rem;padding:1rem max(1rem,50% - 38rem);display:flex}.dummy-brand{color:var(--dummy-dark);font-size:clamp(1.45rem,4vw,2rem);font-weight:900;text-decoration:none}.dummy-site-header p{color:#4b5966;margin:0}.dummy-site-header ul{flex-wrap:wrap;gap:.25rem;margin:0;padding:0;list-style:none;display:flex}.dummy-site-header nav a{padding:.65rem .8rem;font-weight:750;display:block}.dummy-site-main{width:min(100% - 2rem,76rem);margin-inline:auto;padding-block:2rem 4rem}.dummy-hero{background:var(--dummy-dark);color:#fff;border-radius:.5rem;padding:clamp(1.25rem,4vw,2.5rem)}.dummy-hero h1{max-width:54rem;margin:.25rem 0 .65rem;font-size:clamp(2rem,6vw,3.6rem);line-height:1.1}.dummy-eyebrow{text-transform:uppercase;letter-spacing:.09em;margin:0;font-weight:850}.dummy-search{grid-template-columns:1fr auto;align-items:end;gap:.7rem;padding-block:1.5rem;display:grid}.dummy-button,.dummy-button-secondary,.dummy-link-button{cursor:pointer;min-height:2.8rem;font-weight:800}.immersive-practice input,.immersive-practice select,.immersive-practice textarea{color:#17212b;background:#fff;border-color:#667684}.immersive-practice .stock-available{color:#00664c}.immersive-practice .stock-unavailable{color:#a61b12}.dummy-button{background:var(--dummy-accent);color:#fff;border:2px solid #004f43;border-radius:.3rem;padding:.65rem 1rem}.dummy-button:disabled{cursor:not-allowed;opacity:.55}.dummy-button-secondary{color:#17212b;background:#fff;border:2px solid #52616f;border-radius:.3rem;padding:.65rem 1rem}.dummy-link-button{color:#004f87;background:0 0;border:0;padding:.25rem;text-decoration:underline}.dummy-commerce-layout{grid-template-columns:minmax(12rem,17rem) minmax(0,1fr);align-items:start;gap:1.5rem;display:grid}.dummy-filters,.dummy-checkout,.dummy-mission-card{background:#fff;border:1px solid #aeb9c3;border-radius:.45rem;padding:1.25rem}.dummy-filters{gap:1rem;display:grid;position:sticky;top:1rem}.dummy-filters h2,.dummy-checkout h2{margin-top:0}.dummy-results-heading{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.8rem;display:flex}.dummy-product-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;display:grid}.dummy-product-card{background:#fff;border:1px solid #bac4cc;border-radius:.4rem;flex-direction:column;min-width:0;padding:1rem;display:flex}.dummy-product-card h2{margin:.25rem 0;font-size:1.2rem;line-height:1.3}.dummy-product-image{color:#075749;background:#dcefea;border-radius:.3rem;place-items:center;min-height:7rem;font-size:3.2rem;font-weight:900;display:grid}.dummy-badge{background:#e3edf5;align-self:start;margin:.7rem 0 0;padding:.12rem .4rem;font-size:.8rem;font-weight:800}.dummy-price{font-size:1.25rem}.dummy-product-actions{gap:.65rem;margin-top:auto;padding-top:.75rem;display:grid}.dummy-checkout{margin-top:2rem}.dummy-basket-list{gap:.7rem;padding:0;list-style:none;display:grid}.dummy-basket-list li{border-bottom:1px solid #d4dae0;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:.75rem;padding-block:.55rem;display:grid}.dummy-checkout-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.dummy-inline-control{grid-template-columns:minmax(0,1fr) auto;gap:.5rem;display:grid}.dummy-order-total{width:min(100%,30rem);margin-left:auto}.dummy-order-total div{justify-content:space-between;gap:1rem;padding-block:.25rem;display:flex}.dummy-order-total dd{margin:0}.dummy-checkout-button{margin-left:auto;display:block}.dummy-live-status{z-index:5;color:#fff;background:#17212b;padding:.85rem 1rem;font-weight:750;position:sticky;bottom:0}.dummy-step-nav ol{grid-template-columns:repeat(3,1fr);padding:0;list-style:none;display:grid}.dummy-step-nav li{border-bottom:5px solid #aeb9c3;padding:.8rem}.dummy-step-nav li[aria-current=step]{border-color:var(--dummy-accent);font-weight:850}.dummy-step-nav span{display:block}.dummy-mission-card{max-width:48rem;margin:1.5rem auto}.dummy-mission-card fieldset+fieldset,.dummy-mission-card .form-stack>*+*{margin-top:1rem}.dummy-service-notice,.dummy-error-summary{background:#e7f6f2;border-left:5px solid #006c5b;margin-block:1rem;padding:1rem}.dummy-service-notice strong{display:block}.dummy-error-summary{background:#fff0ee;border-color:#b42318}.dummy-step-actions,.dummy-dialog-actions{flex-wrap:wrap;justify-content:flex-end;gap:.75rem;margin-top:1.25rem;display:flex}.dummy-review-dialog{border:3px solid var(--dummy-dark);color:#17212b;background:#fff;border-radius:.4rem;width:min(100% - 2rem,38rem);max-height:90vh;padding:1.5rem}.dummy-review-dialog::backdrop{background:#000000b8}.barrier-comparison{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem;padding-block:1.5rem;display:grid}.barrier-comparison>div{background:#fff;border:1px solid #aeb9c3;padding:1rem}.barrier-comparison iframe{border:2px solid #52616f;width:100%;min-height:20rem}.dummy-site-footer{color:#fff;background:#263849;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;padding:2rem max(1rem,50% - 38rem);display:grid}.dummy-site-footer>p{grid-column:1/-1}.dummy-completion-overlay{z-index:100;color:#fff;background:#17212b;border:3px solid #ffcf33;gap:.25rem;max-width:42rem;margin-inline:auto;padding:1rem;display:grid;position:fixed;inset:auto 1rem 1rem;box-shadow:0 12px 45px #0006}@media (max-width:58rem){.dummy-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:42rem){.practice-safety-bar,.dummy-site-header{align-items:flex-start}.dummy-site-header,.dummy-site-header nav,.dummy-site-header ul{width:100%;display:grid}.dummy-search,.dummy-commerce-layout,.dummy-product-grid,.dummy-checkout-grid,.dummy-step-nav ol,.barrier-comparison,.dummy-site-footer{grid-template-columns:1fr}.dummy-filters{position:static}.dummy-basket-list li{grid-template-columns:1fr}.dummy-site-footer>p{grid-column:auto}.practice-tools{grid-template-columns:1fr 1fr;display:grid}.practice-tools button,.practice-tools a{width:100%}}.site-footer{background:var(--navy-950);color:#fff;margin-top:auto;padding-block:3rem 1.4rem}.footer-grid{grid-template-columns:2fr 1fr 1fr;gap:2rem;display:grid}.footer-brand{margin:0;font-size:1.5rem;font-weight:900}.footer-summary{color:#bed2de;max-width:25rem}.footer-grid h2{color:var(--cyan-300);text-transform:uppercase;letter-spacing:.11em;margin:0 0 .5rem;font-size:.85rem}.footer-grid li+li{margin-top:.35rem}.footer-grid a{color:#e7f3f8}.footer-bottom{color:#a9c1ce;border-top:1px solid #ffffff2e;justify-content:space-between;gap:1rem;margin-top:2rem;padding-top:1.2rem;font-size:.84rem;display:flex}.footer-bottom p{margin:0}@media (max-width:64rem){.desktop-nav,.header-actions{display:none}.mobile-menu{display:block}.hero-grid{grid-template-columns:1fr;min-height:auto}.orientation-card{max-width:38rem}.card-grid{grid-template-columns:repeat(2,1fr)}.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:static}}@media (max-width:46rem){.page-shell,.narrow-shell{width:min(100% - 1.25rem,74rem)}.hero-grid{gap:2rem;padding-block:3.25rem}.hero-copy h1{font-size:clamp(2.55rem,13vw,4rem)}.button-row .button{width:100%}.outcome-grid,.card-grid,.split-feature,.dashboard-grid,.stat-grid,.settings-layout,.footer-grid,.image-comparison,.product-grid,.store-filter-grid,.account-filters,.mastery-grid{grid-template-columns:1fr}.outcome-card{min-height:auto}.outcome-number{margin-bottom:2rem}.callout-card{display:grid}.callout-card .button{width:100%}.reader-list li{display:grid}.reader-list span{text-align:left}.settings-nav{position:static}.lesson-nav,.footer-bottom{flex-direction:column}.footer-grid{gap:1.5rem}th,td{padding:.5rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}:root[data-motion=reduced] *,:root[data-motion=reduced] :before,:root[data-motion=reduced] :after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}@media (forced-colors:active){.button,.content-card,.outcome-card,.reader-panel,.orientation-card,.lab-shell,.auth-card{forced-color-adjust:auto;border:2px solid canvastext}:focus-visible{outline:4px solid highlight}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
