@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-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--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:ui-sans-serif, system-ui, 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-lg:.5rem;--radius-xl:.75rem;--shadow-xs:0 1px 2px 0 #0000000d;--shadow-sm:0 1px 3px 0 #0000001a, 0 1px 2px -1px #0000001a;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--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,ui-sans-serif, system-ui, 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{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{.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}.fixed{position:fixed}.relative{position:relative}.isolate{isolation:isolate}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline-flex{display:inline-flex}.table{display:table}.shrink{flex-shrink:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.flex-wrap{flex-wrap:wrap}.border{border-style:var(--tw-border-style);border-width:1px}.uppercase{text-transform:uppercase}.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))}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#fff;--bg2:#f8fafc;--bg3:#f1f5f9;--surface:#fff;--surface2:#f8fafc;--border:#0f172a14;--border2:#0f172a24;--cyan:#0284c7;--cyan-rgb:2,132,199;--cyan-light:#e0f2fe;--orange:#ea580c;--orange-rgb:234,88,12;--orange-light:#fff1e8;--violet:#7c3aed;--violet-rgb:124,58,237;--violet-light:#ede9fe;--green:#16a34a;--green-rgb:22,163,74;--green-light:#dcfce7;--rose:#e11d48;--rose-rgb:225,29,72;--amber:#d97706;--amber-rgb:217,119,6;--text:#0f172a;--text-dim:#475569;--text-mute:#94a3b8;--shadow-xs:0 1px 3px #0f172a14, 0 1px 2px #0f172a0f;--shadow-sm:0 4px 12px #0f172a14, 0 2px 6px #0f172a0d;--shadow-md:0 8px 24px #0f172a1a, 0 4px 10px #0f172a0f;--shadow-lg:0 16px 48px #0f172a1f, 0 8px 20px #0f172a0f;--radius:14px;--radius-sm:9px;--radius-lg:20px;--radius-xl:28px}html{scroll-behavior:smooth;overflow-x:hidden}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.6;overflow-x:hidden}.mono{font-family:ui-monospace,Cascadia Code,Consolas,monospace}a{color:inherit;text-decoration:none}::selection{color:var(--text);background:#0284c726}.aurora-bg{background:radial-gradient(80% 55% at 5% -5%,#e0f2feb3 0%,#0000 55%),radial-gradient(60% 50% at 95% 5%,#fff1e880 0%,#0000 50%),radial-gradient(45% 60% at 50% 105%,#ede9fe66 0%,#0000 55%),#fff}.neural-bg{background-image:radial-gradient(circle,#0284c71a 1.5px,#0000 1.5px);background-size:44px 44px}.grid-bg{background-image:linear-gradient(#0284c70f 1px,#0000 1px),linear-gradient(90deg,#0284c70f 1px,#0000 1px);background-size:60px 60px}.mesh-bg{background-image:radial-gradient(at 20% 20%,#0284c70f 0,#0000 50%),radial-gradient(at 80% 80%,#7c3aed0d 0,#0000 50%),radial-gradient(#ea580c0a 0,#0000 50%)}.nav{z-index:100;-webkit-backdrop-filter:blur(24px)saturate(1.8);border-bottom:1px solid var(--border);background:#ffffffeb;justify-content:space-between;align-items:center;height:60px;padding:0 2rem;display:flex;position:fixed;top:0;left:0;right:0;box-shadow:0 1px #0f172a0f}.nav-logo{align-items:center;gap:10px;text-decoration:none;display:flex}.nav-links{align-items:center;gap:2rem;display:flex}.nav-link{color:var(--text-dim);letter-spacing:.01em;font-size:.875rem;font-weight:500;text-decoration:none;transition:color .15s}.nav-link:hover,.nav-link.active{color:var(--text)}.nav-cta{background:var(--cyan);color:#fff;letter-spacing:.02em;box-shadow:0 2px 12px rgba(var(--cyan-rgb),.28);border-radius:8px;padding:.5rem 1.25rem;font-size:.8rem;font-weight:700;text-decoration:none;transition:all .15s}.nav-cta:hover{opacity:.9;box-shadow:0 4px 20px rgba(var(--cyan-rgb),.38);transform:translateY(-1px)}.nav-hamburger{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:5px;padding:4px;display:none}.nav-hamburger span{background:var(--text);border-radius:2px;width:22px;height:2px;transition:all .2s;display:block}.mobile-menu{z-index:99;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);background:#fffffff7;flex-direction:column;gap:.25rem;padding:1.25rem 1.5rem;display:none;position:fixed;top:60px;left:0;right:0}.mobile-menu.open{display:flex}.mobile-nav-link{border-radius:var(--radius-sm);color:var(--text-dim);padding:.75rem 1rem;font-size:.9rem;font-weight:500;text-decoration:none;transition:all .15s;display:block}.mobile-nav-link:hover{background:var(--bg3);color:var(--text)}@media (max-width:768px){.nav{padding:0 1.25rem}.nav-links{display:none}.nav-hamburger{display:flex}}.btn-primary{border-radius:var(--radius-sm);background:var(--cyan);color:#fff;cursor:pointer;letter-spacing:.01em;box-shadow:0 4px 16px rgba(var(--cyan-rgb),.3);border:none;align-items:center;gap:8px;min-height:44px;padding:.875rem 2.25rem;font-size:.9rem;font-weight:700;text-decoration:none;transition:all .15s;display:inline-flex}.btn-primary:hover{box-shadow:0 8px 28px rgba(var(--cyan-rgb),.38);transform:translateY(-2px)}.btn-secondary{border-radius:var(--radius-sm);color:var(--cyan);border:2px solid var(--cyan);cursor:pointer;letter-spacing:.01em;background:0 0;align-items:center;gap:8px;min-height:44px;padding:.875rem 2.25rem;font-size:.9rem;font-weight:700;text-decoration:none;transition:all .15s;display:inline-flex}.btn-secondary:hover{background:var(--cyan-light)}.btn-ghost{border-radius:var(--radius-sm);background:var(--bg3);color:var(--text-dim);border:1px solid var(--border);cursor:pointer;align-items:center;gap:6px;min-height:44px;padding:.75rem 1.75rem;font-size:.875rem;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.btn-ghost:hover{border-color:var(--border2);color:var(--text);background:var(--bg2)}.hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100svh;padding:7rem 1.5rem 4rem;display:flex;position:relative;overflow:hidden}.hero-badge{border:1px solid rgba(var(--cyan-rgb),.3);background:var(--cyan-light);letter-spacing:.1em;color:var(--cyan);text-transform:uppercase;border-radius:100px;align-items:center;gap:8px;margin-bottom:2rem;padding:5px 16px;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:.68rem;display:inline-flex}.hero-badge-dot{background:var(--cyan);border-radius:50%;width:7px;height:7px;animation:2s ease-in-out infinite pulse-dot}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}.hero-title{letter-spacing:-.038em;color:var(--text);margin-bottom:1.75rem;font-size:clamp(2.5rem,8vw,6.5rem);font-weight:800;line-height:.97}.cyan-text{background:linear-gradient(135deg, var(--cyan) 0%, #0ea5e9 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.orange-text{background:linear-gradient(135deg, var(--orange) 0%, #fb923c 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-sub{color:var(--text-dim);max-width:600px;margin:0 auto 2.75rem;font-size:clamp(1rem,2.2vw,1.2rem);line-height:1.8}.hero-actions{flex-wrap:wrap;justify-content:center;gap:1rem;margin-bottom:4rem;display:flex}.hero-stats{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-sm);flex-wrap:wrap;justify-content:center;gap:0;display:flex;overflow:hidden}.hero-stat{text-align:center;border-right:1px solid var(--border);padding:1.25rem 2rem}.hero-stat:last-child{border-right:none}.hero-stat-num{letter-spacing:-.04em;color:var(--cyan);font-size:1.75rem;font-weight:800;display:block}.hero-stat-label{color:var(--text-mute);text-transform:uppercase;letter-spacing:.06em;margin-top:2px;font-size:.72rem}@media (max-width:600px){.hero{padding:6rem 1.25rem 3rem}.hero-stats{flex-direction:row}.hero-stat{border-right:1px solid var(--border);border-bottom:1px solid var(--border);flex:50%;min-width:0}.hero-stat:nth-child(2n){border-right:none}.hero-stat:nth-last-child(-n+2){border-bottom:none}.hero-actions{flex-direction:column;align-items:stretch}.btn-primary,.btn-secondary,.btn-ghost{justify-content:center;width:100%}}.section{max-width:1120px;margin:0 auto;padding:5rem 1.5rem}.section-tag{letter-spacing:.12em;text-transform:uppercase;border-radius:100px;align-items:center;gap:6px;margin-bottom:1rem;padding:4px 14px;font-size:.68rem;font-weight:700;display:inline-flex}.tag-cyan{background:var(--cyan-light);border:1px solid rgba(var(--cyan-rgb),.25);color:var(--cyan)}.tag-orange{background:var(--orange-light);border:1px solid rgba(var(--orange-rgb),.25);color:var(--orange)}.tag-violet{background:var(--violet-light);border:1px solid rgba(var(--violet-rgb),.25);color:var(--violet)}.section-title{letter-spacing:-.03em;color:var(--text);margin-bottom:1rem;font-size:clamp(1.9rem,4vw,3rem);font-weight:800;line-height:1.05}.section-sub{color:var(--text-dim);max-width:540px;margin-bottom:3rem;font-size:1.05rem;line-height:1.8}.tracks-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr));gap:1.25rem;display:grid}.track-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;box-shadow:var(--shadow-xs);padding:1.75rem;transition:all .2s;position:relative;overflow:hidden}.track-card:hover{border-color:rgba(var(--cyan-rgb),.25);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.track-icon{border-radius:14px;justify-content:center;align-items:center;width:52px;height:52px;margin-bottom:1.25rem;font-size:1.5rem;display:flex}.track-title{color:var(--text);margin-bottom:.5rem;font-size:1rem;font-weight:700;line-height:1.3}.track-desc{color:var(--text-dim);margin-bottom:1.25rem;font-size:.825rem;line-height:1.65}.track-count{color:var(--text-mute);font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:.7rem}.track-glow{display:none}.course-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:1.25rem;display:grid}.course-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;box-shadow:var(--shadow-xs);flex-direction:column;transition:all .2s;display:flex;overflow:hidden}.course-card:hover{border-color:rgba(var(--cyan-rgb),.3);box-shadow:var(--shadow-lg);transform:translateY(-3px)}.course-thumb{justify-content:center;align-items:center;height:130px;font-size:3rem;display:flex;position:relative;overflow:hidden}.course-body{flex-direction:column;flex:1;padding:1.25rem;display:flex}.level-pill{letter-spacing:.06em;text-transform:uppercase;border-radius:100px;padding:2px 9px;font-size:.65rem;font-weight:700;display:inline-flex}.level-begin{background:var(--green-light);color:var(--green)}.level-inter{background:var(--cyan-light);color:var(--cyan)}.level-adv{background:var(--violet-light);color:var(--violet)}.course-title{color:var(--text);margin:.5rem 0 .3rem;font-size:.95rem;font-weight:700;line-height:1.35}.course-author{color:var(--text-mute);margin-bottom:.75rem;font-size:.75rem}.course-meta{border-top:1px solid var(--border);flex-wrap:wrap;gap:1rem;margin-top:auto;padding-top:.875rem;display:flex}.course-meta-item{color:var(--text-mute);align-items:center;gap:5px;font-size:.73rem;display:flex}.pill{background:var(--bg3);color:var(--text-mute);border:1px solid var(--border);border-radius:6px;padding:2px 8px;font-size:.65rem;font-weight:600}.feature-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:1.5rem;display:grid}.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-xs);padding:2rem;transition:all .2s;position:relative;overflow:hidden}.feature-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.feature-card:before{content:"";height:3px;position:absolute;top:0;left:0;right:0}.feature-card.fc-cyan:before{background:linear-gradient(90deg, transparent, var(--cyan), transparent)}.feature-card.fc-orange:before{background:linear-gradient(90deg, transparent, var(--orange), transparent)}.feature-card.fc-violet:before{background:linear-gradient(90deg, transparent, var(--violet), transparent)}.feature-card.fc-green:before{background:linear-gradient(90deg, transparent, var(--green), transparent)}.feature-icon{margin-bottom:1.25rem;font-size:2.25rem}.feature-title{color:var(--text);margin-bottom:.625rem;font-size:1rem;font-weight:700}.feature-desc{color:var(--text-dim);font-size:.875rem;line-height:1.75}.price-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:1.5rem;display:grid}.price-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:2.25rem;position:relative}.price-card.featured{background:linear-gradient(160deg, var(--cyan-light), #fafcff 55%);border-color:rgba(var(--cyan-rgb),.3);box-shadow:0 8px 40px rgba(var(--cyan-rgb),.12), var(--shadow-sm)}.price-card.featured:after{content:"POPULAR";background:var(--cyan);color:#fff;letter-spacing:.14em;border-radius:100px;padding:3px 14px;font-size:.58rem;font-weight:800;position:absolute;top:-11px;left:50%;transform:translate(-50%)}.price-tier{color:var(--text-mute);text-transform:uppercase;letter-spacing:.12em;margin-bottom:.5rem;font-size:.72rem;font-weight:700}.price-amount{letter-spacing:-.05em;color:var(--text);margin-bottom:.25rem;font-size:2.75rem;font-weight:800}.price-amount small{color:var(--text-mute);font-size:.95rem;font-weight:500}.price-desc{color:var(--text-dim);margin-bottom:1.75rem;font-size:.875rem;line-height:1.6}.price-list{flex-direction:column;gap:.7rem;margin-bottom:2rem;list-style:none;display:flex}.price-list li{color:var(--text-dim);align-items:flex-start;gap:9px;font-size:.875rem;display:flex}.price-list li:before{content:"✓";color:var(--cyan);flex-shrink:0;margin-top:1px;font-weight:800}.testi-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:1.25rem;display:grid}.testi-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-xs);padding:1.75rem;transition:all .2s}.testi-card:hover{box-shadow:var(--shadow-sm)}.testi-quote{color:var(--text-dim);margin-bottom:1.25rem;font-size:.9rem;font-style:italic;line-height:1.8}.testi-stars{color:var(--amber);margin-bottom:1rem;font-size:.875rem}.testi-author{align-items:center;gap:10px;display:flex}.testi-avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:.85rem;font-weight:800;display:flex}.testi-name{color:var(--text);font-size:.875rem;font-weight:700}.testi-role{color:var(--text-mute);font-size:.75rem}.trust-strip{background:var(--bg3);border-radius:var(--radius);border:1px solid var(--border);flex-wrap:wrap;justify-content:center;align-items:center;gap:2.5rem;padding:2rem;display:flex}.trust-brand{color:var(--text-mute);letter-spacing:.04em;font-size:.9rem;font-weight:700;transition:color .15s}.trust-brand:hover{color:var(--text-dim)}.dash-layout{background:var(--bg2);min-height:100svh;display:flex}.dash-sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:.25rem;width:256px;height:100svh;padding:1.5rem 1rem;display:flex;position:sticky;top:0;overflow-y:auto}.dash-main{flex:1;min-width:0;padding:2rem;overflow-y:auto}.dash-nav-item{color:var(--text-dim);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:9px;align-items:center;gap:11px;width:100%;min-height:44px;padding:.65rem 1rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:all .15s;display:flex}.dash-nav-item:hover{background:var(--bg3);color:var(--text)}.dash-nav-item.active{background:var(--cyan-light);color:var(--cyan);font-weight:600}.dash-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-xs);padding:1.5rem}.dash-stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-xs);flex-direction:column;gap:6px;padding:1.25rem 1.5rem;display:flex}.dash-stat-num{letter-spacing:-.04em;color:var(--text);font-size:2rem;font-weight:800}.dash-stat-label{color:var(--text-mute);font-size:.78rem}.progress-wrap{background:var(--bg3);border-radius:100px;height:7px;overflow:hidden}.progress-bar{border-radius:100px;height:100%;transition:width .4s}.dash-mobile-nav{z-index:50;background:var(--surface);border-top:1px solid var(--border);padding:.5rem 1rem env(safe-area-inset-bottom,0);justify-content:space-around;display:none;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 16px #0f172a0f}.dash-mobile-btn{cursor:pointer;color:var(--text-mute);background:0 0;border:none;border-radius:10px;flex-direction:column;align-items:center;gap:3px;min-width:44px;min-height:44px;padding:.5rem 1rem;font-size:.65rem;font-weight:600;transition:all .15s;display:flex}.dash-mobile-btn.active{color:var(--cyan)}@media (max-width:768px){.dash-sidebar{display:none}.dash-mobile-nav{display:flex}.dash-main{padding:1.25rem 1.25rem 6rem}.dash-layout{flex-direction:column}}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:440px;box-shadow:var(--shadow-lg);padding:2.5rem}.auth-tabs{background:var(--bg3);border-radius:10px;margin-bottom:2rem;padding:4px;display:flex}.auth-tab{text-align:center;cursor:pointer;color:var(--text-mute);background:0 0;border:none;border-radius:8px;flex:1;min-height:40px;padding:.55rem;font-size:.875rem;font-weight:600;transition:all .15s}.auth-tab.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-xs)}.auth-label{color:var(--text-dim);margin-bottom:6px;font-size:.8rem;font-weight:600;display:block}.auth-input{background:var(--bg2);border:1.5px solid var(--border2);width:100%;color:var(--text);border-radius:9px;outline:none;min-height:44px;margin-bottom:1rem;padding:.8rem 1rem;font-family:inherit;font-size:.9rem;transition:border-color .15s,box-shadow .15s}.auth-input::placeholder{color:var(--text-mute)}.auth-or{align-items:center;gap:12px;margin:1.25rem 0;display:flex}.auth-or:before,.auth-or:after{content:"";background:var(--border);flex:1;height:1px}.auth-or span{color:var(--text-mute);white-space:nowrap;font-size:.75rem}.social-btn{background:var(--surface);border:1.5px solid var(--border2);width:100%;color:var(--text);cursor:pointer;min-height:44px;box-shadow:var(--shadow-xs);border-radius:9px;justify-content:center;align-items:center;gap:10px;margin-bottom:.75rem;padding:.8rem;font-size:.875rem;font-weight:600;transition:all .15s;display:flex}.social-btn:hover{border-color:var(--border2);background:var(--bg3);box-shadow:var(--shadow-sm)}.filter-tabs{flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;display:flex}.filter-tab{border:1.5px solid var(--border);background:var(--surface);color:var(--text-dim);cursor:pointer;white-space:nowrap;border-radius:100px;min-height:36px;padding:.45rem 1rem;font-size:.82rem;font-weight:600;transition:all .15s}.filter-tab:hover{border-color:var(--border2);color:var(--text)}.filter-tab.active{border-color:var(--cyan);background:var(--cyan-light);color:var(--cyan)}.search-input{background:var(--surface);border:1.5px solid var(--border);color:var(--text);border-radius:10px;outline:none;width:100%;min-height:44px;padding:.75rem 1rem .75rem 2.75rem;font-family:inherit;font-size:.9rem;transition:border-color .15s}.search-input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(var(--cyan-rgb),.1)}.pro-cta{background:linear-gradient(135deg, var(--cyan) 0%, #0369a1 100%);border-radius:var(--radius-lg);color:#fff;box-shadow:0 8px 32px rgba(var(--cyan-rgb),.22);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem;padding:2.25rem 2rem;display:flex}.pro-cta h3{margin-bottom:.375rem;font-size:1.2rem;font-weight:800}.pro-cta p{opacity:.85;font-size:.875rem}.btn-white{border-radius:var(--radius-sm);color:var(--cyan);cursor:pointer;white-space:nowrap;background:#fff;border:none;align-items:center;gap:6px;min-height:44px;padding:.75rem 1.75rem;font-size:.875rem;font-weight:700;text-decoration:none;display:inline-flex;box-shadow:0 2px 8px #0f172a1f}.btn-white:hover{transform:translateY(-1px);box-shadow:0 4px 16px #0f172a29}.ai-tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;box-shadow:var(--shadow-xs);flex-direction:column;gap:.5rem;padding:1.25rem;text-decoration:none;transition:all .2s;display:flex}.ai-tool-card:hover{box-shadow:var(--shadow-md);border-color:rgba(var(--cyan-rgb),.25);transform:translateY(-2px)}.footer{border-top:1px solid var(--border);max-width:1120px;margin:0 auto;padding:4rem 1.5rem 2rem}.footer-top{grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem;display:grid}.footer-desc{color:var(--text-mute);max-width:260px;margin-top:.75rem;font-size:.875rem;line-height:1.75}.footer-col-h{text-transform:uppercase;letter-spacing:.1em;color:var(--text-mute);margin-bottom:1rem;font-size:.72rem;font-weight:700}.footer-link{color:var(--text-dim);margin-bottom:.625rem;font-size:.875rem;text-decoration:none;transition:color .15s;display:block}.footer-link:hover{color:var(--cyan)}.footer-bottom{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding-top:1.5rem;display:flex}.footer-copy{color:var(--text-mute);font-size:.8rem}.portfolio-link{color:var(--cyan);font-size:.8rem;font-weight:600;text-decoration:none}.portfolio-link:hover{text-decoration:underline}@media (max-width:768px){.footer-top{grid-template-columns:1fr 1fr;gap:2rem}}@media (max-width:480px){.footer-top{grid-template-columns:1fr;gap:2rem}}.reveal{opacity:0;transition:opacity .5s,transform .5s;transform:translateY(20px)}.reveal.visible{opacity:1;transform:translateY(0)}@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transition:none;transform:none}}.section-sep{background:var(--border);max-width:1120px;height:1px;margin:0 auto}.badge{text-transform:uppercase;letter-spacing:.06em;border-radius:6px;align-items:center;gap:4px;padding:2px 8px;font-size:.65rem;font-weight:700;display:inline-flex}.badge-bestseller{color:var(--amber);background:#d977061f}.badge-new{background:var(--green-light);color:var(--green)}.badge-hot{color:var(--rose);background:#e11d481a}.badge-enrolled{background:var(--cyan-light);color:var(--cyan)}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:var(--bg3)}::-webkit-scrollbar-thumb{background:rgba(var(--cyan-rgb),.3);border-radius:100px}:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}.pricing-hero{text-align:center;background:radial-gradient(ellipse 70% 55% at 50% 0%, #0284c712 0%, transparent 60%), var(--bg);padding:6rem 1.5rem 3rem;position:relative;overflow:hidden}.pricing-hero:after{content:"";background:linear-gradient(90deg, transparent, var(--border), transparent);height:1px;position:absolute;bottom:0;left:0;right:0}.billing-toggle{background:var(--bg3);border:1px solid var(--border);border-radius:10px;align-items:center;gap:0;margin:2rem auto 0;padding:4px;display:inline-flex;position:relative}.billing-option{cursor:pointer;color:var(--text-mute);background:0 0;border:none;border-radius:7px;min-height:40px;padding:.55rem 1.5rem;font-size:.875rem;font-weight:600;transition:all .18s;position:relative}.billing-option.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-xs)}.annual-badge{color:var(--green);letter-spacing:.04em;background:#16a34a1f;border-radius:100px;align-items:center;margin-left:6px;padding:2px 8px;font-size:.65rem;font-weight:700;display:inline-flex}.plan-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:1.5rem;max-width:1000px;margin:3rem auto 0;display:grid}.plan-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:2.5rem;transition:all .2s;position:relative;overflow:hidden}.plan-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}.plan-card.plan-popular{border-color:var(--cyan);background:linear-gradient(160deg, #eff6ff 0%, #fafcff 60%, var(--surface) 100%);box-shadow:0 8px 40px rgba(var(--cyan-rgb),.14), var(--shadow-sm);border-width:2px}.plan-popular-badge{background:var(--cyan);color:#fff;letter-spacing:.14em;border-radius:0 0 10px 10px;padding:4px 18px;font-size:.6rem;font-weight:800;position:absolute;top:-1px;left:50%;transform:translate(-50%)}.plan-name{text-transform:uppercase;letter-spacing:.12em;color:var(--text-mute);margin-bottom:.75rem;font-size:.72rem;font-weight:700}.plan-price{align-items:flex-end;gap:4px;margin-bottom:.375rem;display:flex}.plan-price-amount{letter-spacing:-.06em;color:var(--text);font-size:3rem;font-weight:900;line-height:1}.plan-price-period{color:var(--text-mute);padding-bottom:6px;font-size:.875rem}.plan-price-original{color:var(--text-mute);margin-bottom:.375rem;font-size:.8rem;text-decoration:line-through}.plan-desc{color:var(--text-dim);margin-bottom:2rem;font-size:.875rem;line-height:1.65}.plan-features{flex-direction:column;gap:.75rem;margin-bottom:2.25rem;list-style:none;display:flex}.plan-features li{color:var(--text-dim);align-items:flex-start;gap:10px;font-size:.875rem;display:flex}.plan-check{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:18px;height:18px;margin-top:1px;font-size:.65rem;display:flex}.plan-check.yes{background:var(--cyan-light);color:var(--cyan)}.plan-check.no{background:var(--bg3);color:var(--text-mute)}.plan-features li.dimmed{color:var(--text-mute)}.compare-section{max-width:900px;margin:0 auto;padding:0 1.5rem}.compare-table{border-collapse:collapse;width:100%;font-size:.875rem}.compare-table th{text-align:left;text-transform:uppercase;letter-spacing:.1em;color:var(--text-mute);border-bottom:2px solid var(--border);padding:.875rem 1.25rem;font-size:.72rem;font-weight:700}.compare-table th:first-child{width:40%}.compare-table th:not(:first-child){text-align:center;width:20%}.compare-table .compare-category td{text-transform:uppercase;letter-spacing:.1em;color:var(--cyan);background:rgba(var(--cyan-rgb),.03);border-top:1px solid var(--border);border-bottom:1px solid var(--border);text-align:left;padding:1.25rem 1.25rem .5rem;font-size:.72rem;font-weight:700}.compare-table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:.75rem 1.25rem}.compare-table td:not(:first-child){text-align:center}.compare-table tr:not(.compare-category):hover td{background:rgba(var(--cyan-rgb),.025)}.feature-name{color:var(--text-dim);font-weight:500}.plan-col-head{color:var(--text);font-size:.875rem;font-weight:700}.plan-col-head.highlight{color:var(--cyan)}.check-y{color:var(--cyan);font-size:1rem;font-weight:700}.check-n{color:var(--text-mute);font-size:.875rem}.check-txt{color:var(--text-dim);font-size:.8rem;font-weight:500}.compare-table-wrap{border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:auto hidden}.faq-list{flex-direction:column;gap:0;max-width:700px;margin:0 auto;display:flex}.faq-item{border-bottom:1px solid var(--border);overflow:hidden}.faq-q{cursor:pointer;text-align:left;width:100%;color:var(--text);background:0 0;border:none;justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem 0;font-size:.95rem;font-weight:600;transition:color .15s;display:flex}.faq-q:hover{color:var(--cyan)}.faq-icon{background:var(--bg3);border:1px solid var(--border);width:22px;height:22px;color:var(--text-dim);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.875rem;font-weight:700;line-height:1;transition:all .2s;display:flex}.faq-item.open .faq-icon{background:var(--cyan-light);color:var(--cyan);border-color:rgba(var(--cyan-rgb),.3);transform:rotate(45deg)}.faq-a{max-height:0;color:var(--text-dim);padding:0;font-size:.875rem;line-height:1.8;transition:max-height .3s,padding .3s;overflow:hidden}.faq-item.open .faq-a{max-height:400px;padding-bottom:1.25rem}.trust-badges{background:var(--bg3);border-top:1px solid var(--border);border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:center;align-items:center;gap:2.5rem;padding:2.5rem 1.5rem;display:flex}.trust-badge{color:var(--text-dim);align-items:center;gap:10px;font-size:.875rem;font-weight:600;display:flex}.trust-badge-icon{background:var(--surface);border:1px solid var(--border);width:36px;height:36px;box-shadow:var(--shadow-xs);border-radius:50%;justify-content:center;align-items:center;font-size:1rem;display:flex}.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}.learning-shell{color:#142033;background:#f5f8fc;min-height:100svh}.learning-header{z-index:40;background:#fff;border-bottom:1px solid #dce4ef;align-items:center;gap:2rem;height:64px;padding:0 2rem;display:flex;position:sticky;top:0}.wordmark{letter-spacing:-.03em;color:#123b75;font-size:1.2rem;font-weight:850}.learning-header nav{gap:1.4rem;margin-left:auto;display:flex}.learning-header nav a{color:#41536b;font-size:.9rem}.outline-toggle{color:#153b6b;background:#edf4ff;border:1px solid #bfd2ec;border-radius:8px;margin-left:auto;padding:.65rem .8rem;display:none}.learning-progress{z-index:39;background:#dce7f4;height:3px;position:sticky;top:64px}.learning-progress span{background:#0d9fb5;height:100%;transition:width .2s;display:block}.reader-layout{grid-template-columns:310px minmax(0,1fr);max-width:1500px;margin:auto;display:grid}.course-outline{background:#edf3fa;border-right:1px solid #d6e0ec;height:calc(100svh - 67px);padding:2rem 1.25rem;position:sticky;top:67px;overflow:auto}.course-outline h2{color:#13253d;margin:.35rem 0 1.5rem;font-size:1.05rem}.course-outline h3{letter-spacing:.06em;text-transform:uppercase;color:#60728a;margin:1.4rem .6rem .45rem;font-size:.76rem}.course-outline ol{margin:0;padding:0;list-style:none}.course-outline li a{color:#41536b;border-left:2px solid #0000;grid-template-columns:1fr auto;gap:.4rem;padding:.65rem;font-size:.82rem;line-height:1.35;display:grid}.course-outline li a small{color:#78899e;font-size:.68rem}.course-outline li a.active{color:#123b75;background:#fff;border-left-color:#1767c0;font-weight:650}.outline-close{display:none}.lesson-content{min-width:0;padding:2rem clamp(1.25rem,5vw,5rem) 5rem}.lesson-context{color:#60728a;border-bottom:1px solid #dce4ef;align-items:center;gap:1rem;max-width:800px;margin:0 auto 3rem;padding-bottom:1rem;font-size:.8rem;display:flex}.lesson-context a{color:#1767c0}.lesson-context span{margin-right:auto}.lesson-context button{color:#41536b;cursor:pointer;background:0 0;border:0;text-decoration:underline}.lesson-content article{max-width:760px;margin:auto;font-family:Inter,system-ui,sans-serif}.lesson-content h1{letter-spacing:-.045em;color:#101d30;margin:.4rem 0 1.2rem;font-size:clamp(2.15rem,5vw,3.7rem);line-height:1.02}.lesson-content h2{color:#152a46;margin:2.6rem 0 .8rem;font-size:1.3rem}.lesson-content p,.lesson-content li{color:#354962;font-size:1rem;line-height:1.78}.lesson-intro{color:#4b5f78!important;font-size:1.22rem!important;line-height:1.65!important}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-weight:750;color:#16778a!important;font-size:.72rem!important}.objectives{background:#edf5ff;border-left:4px solid #1d74c9;margin:2.3rem 0;padding:.25rem 1.5rem}.objectives h2{margin:.8rem 0}.lesson-figure{background:#f8fbfe;border:1px solid #cbd9e7;border-radius:16px;margin:3rem 0;overflow:hidden;box-shadow:0 14px 36px #12365814}.diagram-heading{padding:1.3rem 1.4rem .4rem}.diagram-heading h2{margin:.25rem 0 .5rem;font-size:1.18rem}.semantic-diagram{align-items:stretch;padding:1rem 1.4rem 1.5rem;display:flex;overflow-x:auto}.diagram-step-wrap{flex:1;align-items:center;min-width:0;display:flex}.diagram-node{background:#fff;border:1px solid #82b8d2;border-radius:12px;flex:1;align-self:stretch;min-width:165px;padding:1.1rem 1rem 1rem;position:relative}.diagram-node strong{color:#173450;padding-right:1.6rem;font-size:.92rem;display:block}.diagram-node p{color:#536980;margin:.45rem 0 0;font-size:.79rem;line-height:1.5}.diagram-number{color:#fff;background:#146a80;border-radius:50%;place-items:center;width:1.45rem;height:1.45rem;font-size:.7rem;font-weight:800;display:grid;position:absolute;top:.7rem;right:.75rem}.diagram-connector{color:#176a80;text-align:center;flex:0 0 76px;align-content:center;place-items:center;display:grid}.diagram-connector span{color:#557088;font-size:.65rem;line-height:1.2}.diagram-connector b{font-size:1.35rem;line-height:1}.lesson-figure figcaption{color:#405a70;background:#edf6f8;border-top:1px solid #d8e3ed;padding:1rem 1.4rem;font-size:.82rem;line-height:1.55}.lesson-figure figcaption span{color:#64788d;margin-top:.25rem;display:block}.diagram-layers .semantic-diagram{flex-direction:column;align-items:center}.diagram-layers .diagram-step-wrap{width:100%;max-width:620px}.diagram-layers .diagram-step-wrap:nth-child(2){width:88%}.diagram-layers .diagram-step-wrap:nth-child(3){width:76%}.diagram-layers .diagram-node{width:100%}.diagram-layers .diagram-connector{flex-basis:54px;transform:rotate(90deg)}.diagram-comparison .semantic-diagram,.diagram-matrix .semantic-diagram{grid-template-columns:repeat(3,1fr);gap:.8rem;display:grid}.diagram-comparison .diagram-connector,.diagram-matrix .diagram-connector{display:none}.diagram-cycle .semantic-diagram{background:#f1f8fa;border-block:1px dashed #b7cedd}.process-list{counter-reset:steps;padding:0;list-style:none}.process-list li{counter-increment:steps;border-left:1px solid #bfd0e3;margin-left:1rem;padding:.2rem 0 1.2rem 3rem;position:relative}.process-list li:before{content:counter(steps);color:#fff;background:#1767c0;border-radius:50%;place-items:center;width:2rem;height:2rem;font-weight:700;display:grid;position:absolute;top:0;left:-1rem}.content-callout,.practice-activity,.knowledge-check,.takeaways,.note-editor{background:#fff;border:1px solid #cad7e7;margin:2.5rem 0;padding:1.4rem 1.5rem}.content-callout{border-left:4px solid #0d9fb5}.content-callout.safety{background:#fff9ec;border-left-color:#bd6b05}.content-callout.remember{background:#eefaf9}.content-callout h2,.practice-activity h2,.knowledge-check h2,.takeaways h2,.note-editor h2{margin:.15rem 0 .65rem}.table-wrap{margin:2.5rem 0;overflow-x:auto}table{border-collapse:collapse;background:#fff;width:100%}caption{text-align:left;color:#172c49;padding:.75rem 0;font-weight:750}th,td{text-align:left;vertical-align:top;color:#354962;border:1px solid #d5dfeb;padding:.8rem}thead th{color:#172c49;background:#eaf2fb}.answer-option{cursor:pointer;background:#fff;border:1px solid #d4dfeb;align-items:flex-start;gap:.7rem;margin:.5rem 0;padding:.8rem;display:flex}.answer-option:has(input:checked){background:#edf5ff;border-color:#1767c0}.answer-feedback{margin-top:1rem;padding:1rem}.answer-feedback.correct{color:#17634c;background:#e8f7f1}.answer-feedback.incorrect{color:#805213;background:#fff5e5}.button{cursor:pointer;border:1px solid #b9c9db;border-radius:7px;min-height:44px;padding:.65rem 1rem;font-weight:700}.button.primary{color:#fff;background:#155fb0;border-color:#155fb0}.button.quiet{color:#344a64;background:#fff}.button:disabled{opacity:.5;cursor:not-allowed}.note-heading{justify-content:space-between;gap:1rem;display:flex}.note-heading span{color:#60728a;font-size:.72rem}.note-editor label{margin:.8rem 0 .4rem;font-weight:650;display:block}.note-editor textarea{color:#172c49;resize:vertical;width:100%;min-height:180px;font:inherit;background:#fbfdff;border:1px solid #aebed1;padding:1rem;display:block}.note-actions{align-items:center;gap:.7rem;margin-top:.8rem;display:flex}.note-actions small{color:#60728a;margin-left:auto}.lesson-navigation{border-top:1px solid #d6e0ec;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;max-width:760px;margin:3rem auto 0;padding-top:1.5rem;display:grid}.lesson-navigation a:last-child{text-align:right}:focus-visible{outline-offset:3px;outline:3px solid #f2a51a!important}@media (max-width:800px){.learning-header{padding:0 1rem}.learning-header nav{display:none}.outline-toggle,.reader-layout{display:block}.course-outline{z-index:50;height:auto;display:none;position:fixed;inset:67px 0 0}.course-outline.open{display:block}.outline-close{color:#1767c0;background:0 0;border:0;margin-left:auto;display:block}.lesson-content{padding:1.2rem 1rem 5rem}.lesson-context{flex-wrap:wrap;margin-bottom:2rem}.lesson-context button{text-align:left;width:100%}.lesson-content h1{font-size:2.25rem}.lesson-navigation{grid-template-columns:1fr 1fr}.lesson-navigation .button{grid-area:1/1/auto/-1}.lesson-figure{margin-inline:-.25rem}.note-actions{flex-wrap:wrap}.note-actions small{width:100%;margin-left:0}}@media (max-width:360px){.lesson-content h1{font-size:1.9rem}.learning-header{gap:.5rem}.outline-toggle{padding:.55rem;font-size:.8rem}.process-list li{padding-left:2.4rem}}@media (max-width:680px){.semantic-diagram,.diagram-comparison .semantic-diagram,.diagram-matrix .semantic-diagram{flex-direction:column;gap:0;display:flex;overflow:visible}.diagram-step-wrap{flex-direction:column;width:100%!important}.diagram-node{width:100%;min-width:0}.diagram-connector{flex-basis:58px;min-height:58px}.diagram-connector b{transform:rotate(90deg)}.diagram-layers .diagram-connector{transform:none}.diagram-heading,.lesson-figure figcaption,.semantic-diagram{padding-inline:1rem}}.diagram-layers .diagram-step-wrap{flex-direction:column}.diagram-layers .diagram-connector{flex-basis:54px;min-height:54px;transform:none}.diagram-layers .diagram-connector b{transform:rotate(90deg)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media print{.learning-header,.learning-progress,.course-outline,.outline-toggle,.lesson-navigation{display:none!important}.reader-layout{display:block}.lesson-content{padding:0}.lesson-content article{max-width:none}.lesson-figure svg{break-inside:avoid}.note-editor{break-before:page}a{color:inherit;text-decoration:none}}.site-header{color:#172c49;z-index:30;background:#fbfdff;border-bottom:1px solid #dbe4ef;align-items:center;gap:2rem;height:68px;padding:0 max(1rem,50vw - 620px);display:flex;position:relative}.site-brand{color:#123b75;letter-spacing:-.03em;align-items:center;gap:.6rem;font-weight:850;display:inline-flex}.brand-mark{color:#fff;background:#155fb0;border-radius:8px;place-items:center;width:32px;height:32px;font-weight:900;display:grid}.desktop-nav{gap:1.5rem;margin-left:auto;display:flex}.desktop-nav a{color:#455970;font-size:.9rem}.header-action{color:#fff;background:#155fb0;border-radius:7px;padding:.65rem 1rem;font-weight:700}.mobile-nav{margin-left:auto;display:none;position:relative}.mobile-nav summary{cursor:pointer}.mobile-nav nav{background:#fff;border:1px solid #ccd8e6;min-width:170px;padding:.7rem;position:absolute;top:2rem;right:0;box-shadow:0 12px 30px #122d4c1f}.mobile-nav nav a{padding:.65rem;display:block}.skip-link{color:#123b75;z-index:100;background:#fff;padding:.6rem;position:absolute;top:-100px;left:1rem}.skip-link:focus{top:.5rem}.site-footer{color:#d8e5f3;background:#10233d;grid-template-columns:1.4fr 1fr 1fr;gap:3rem;padding:3rem max(1rem,50vw - 620px);display:grid}.site-footer p{color:#adc0d4;max-width:430px;line-height:1.6}.site-footer .site-brand{color:#fff}.site-footer nav a{color:#d8e5f3}.footer-note{font-size:.8rem}.editorial-hero{grid-template-columns:1.08fr .92fr;align-items:center;gap:clamp(2rem,7vw,7rem);max-width:1240px;margin:auto;padding:clamp(3rem,8vw,7rem) 1rem;display:grid}.editorial-hero.compact{max-width:1000px;padding-bottom:3rem;display:block}.editorial-hero h1{letter-spacing:-.055em;color:#11243d;margin:.5rem 0 1.5rem;font-size:clamp(2.6rem,6vw,5.3rem);line-height:.98}.editorial-hero.compact h1{font-size:clamp(2.5rem,5vw,4.5rem)}.editorial-hero>div>p,.editorial-hero>p{color:#50647d;max-width:680px;font-size:1.1rem;line-height:1.7}.inline-button{justify-content:center;align-items:center;display:inline-flex}.text-link{color:#155fb0;font-weight:700}.access-notice{background:#edf9fa;border-left:3px solid #0d9fb5;padding:1rem;font-size:.88rem!important}.product-preview{background:#fff;border:1px solid #d7e2ee;padding:1.5rem;box-shadow:0 20px 55px #163a5d1a}.product-preview h2{color:#172c49;font-size:1.7rem}.product-preview .lesson-figure{margin:1.3rem 0}.product-preview ul{color:#435a73;padding-left:1.2rem;line-height:1.8}.home-strip,.truthful-stats{border-block:1px solid #d7e1ec;grid-template-columns:repeat(4,1fr);max-width:1240px;margin:0 auto 4rem;display:grid}.home-strip div,.truthful-stats div{border-right:1px solid #d7e1ec;padding:1.5rem}.home-strip div:last-child,.truthful-stats div:last-child{border:0}.home-strip strong,.truthful-stats strong{color:#155fb0;font-size:1.7rem;display:block}.home-strip span,.truthful-stats span{color:#60728a;font-size:.82rem}.home-section,.dashboard-section{max-width:1240px;margin:0 auto;padding:3rem 1rem}.home-section.narrow{max-width:860px}.home-section.narrow p{color:#435871;font-size:1.05rem;line-height:1.75}.section-heading{justify-content:space-between;align-items:end;gap:1rem;margin-bottom:1.5rem;display:flex}.section-heading h2{color:#152a46;margin:.2rem 0;font-size:2rem}.section-heading a{color:#155fb0}.editorial-course-grid{grid-template-columns:repeat(3,1fr);gap:1.2rem;display:grid}.editorial-course-card{background:#fff;border:1px solid #d4dfeb;transition:transform .15s,border-color .15s}.editorial-course-card:hover{border-color:#7aa4d3;transform:translateY(-2px)}.course-art{color:#fff;justify-content:space-between;align-items:end;height:130px;padding:1rem;display:flex}.course-art>span{font-size:2rem}.course-art small{text-transform:uppercase;letter-spacing:.1em;font-weight:700}.course-card-body{padding:1.2rem}.course-card-body h2{color:#172c49;margin:.7rem 0;font-size:1.15rem;line-height:1.25}.course-card-body p{color:#60728a;font-size:.82rem}.course-card-body strong{color:#155fb0;margin-top:1rem;display:block}.course-card-meta{color:#52677f;border-top:1px solid #e1e8f0;justify-content:space-between;padding-top:.8rem;font-size:.75rem;display:flex}.access-badge{text-transform:uppercase;letter-spacing:.05em;color:#16778a;font-size:.7rem;font-weight:750;display:inline-block}.learning-method{border-block:1px solid #d6e1ec;grid-template-columns:1fr 1.2fr;gap:5rem;max-width:1240px;margin:4rem auto;padding:4rem 1rem;display:grid}.learning-method h2{color:#152a46;font-size:2.5rem}.learning-method p{color:#536980;line-height:1.7}.learning-method ol{counter-reset:m;padding:0;list-style:none}.learning-method li{counter-increment:m;border-bottom:1px solid #d7e1ec;grid-template-columns:110px 1fr;padding:1.1rem 0;display:grid}.learning-method li strong:before{content:"0" counter(m) " ";color:#0d9fb5}.learning-method li span{color:#536980}.local-first-banner{background:#e9f4ff;border-left:4px solid #155fb0;max-width:1000px;margin:4rem auto;padding:2rem}.local-first-banner h2{color:#152a46}.local-first-banner p{color:#435a73}.local-first-banner a{color:#155fb0;font-weight:700}.catalogue-page,.dashboard-page,.access-page{color:#172c49;background:#f7f9fc;min-height:80svh;padding-bottom:5rem}.catalogue-filters{background:#fff;border:1px solid #d5e0eb;grid-template-columns:2fr repeat(3,1fr) auto;align-items:end;gap:1rem;max-width:1240px;margin:auto;padding:1.2rem;display:grid}.catalogue-filters label span{color:#455970;margin-bottom:.35rem;font-size:.75rem;font-weight:700;display:block}.catalogue-filters input,.catalogue-filters select{color:#172c49;background:#fff;border:1px solid #adbed1;width:100%;height:44px;padding:.6rem}.catalogue-result{color:#60728a;justify-content:space-between;max-width:1240px;margin:1rem auto;font-size:.84rem;display:flex}.catalogue-page>.editorial-course-grid{max-width:1240px;margin:auto}.empty-state{text-align:center;background:#fff;border:1px solid #d6e1ec;max-width:800px;margin:3rem auto;padding:3rem}.empty-state h2{color:#172c49}.empty-state p,.quiet-message{color:#60728a}.dashboard-page .editorial-hero{max-width:1240px}.dashboard-page .truthful-stats{margin-bottom:1rem}.progress-list{gap:.8rem;display:grid}.progress-list article{background:#fff;border:1px solid #d7e1ec;grid-template-columns:1.5fr 1fr auto;align-items:center;gap:1.2rem;padding:1rem;display:grid}.progress-list article>div:first-child{align-items:center;gap:1rem;display:flex}.progress-list h3{color:#172c49;margin:0}.progress-list p{color:#60728a;margin:.2rem 0;font-size:.8rem}.progress-list a,.recent-notes a{color:#155fb0}.honest-progress{background:#dce6f1;height:7px}.honest-progress span{background:#0d9fb5;height:100%;display:block}.recent-notes{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.recent-notes article{background:#fff;border-top:3px solid #0d9fb5;padding:1.2rem}.recent-notes h3{color:#172c49}.recent-notes p{color:#435970;line-height:1.55}.recent-notes small{color:#71839a;margin-bottom:.7rem;display:block}.device-guidance{background:#fff8e8;border-left:4px solid #bd6b05;max-width:1208px;margin:2rem auto;padding:1.2rem}.device-guidance p{color:#68583e;margin-bottom:0}.access-policy-card{background:#fff;border:1px solid #d6e1ec;grid-template-columns:1fr 1fr;gap:3rem;max-width:1000px;margin:0 auto 3rem;padding:2rem;display:grid}.access-policy-card h2{color:#172c49;font-size:2rem}.access-policy-card p{color:#52677f;line-height:1.65}.access-policy-card dl{margin:0}.access-policy-card dl div{border-bottom:1px solid #dce4ed;justify-content:space-between;gap:1rem;padding:1rem 0;display:flex}.access-policy-card dt{color:#60728a}.access-policy-card dd{color:#172c49;font-weight:750}@media (max-width:900px){.desktop-nav,.header-action{display:none}.mobile-nav{display:block}.editorial-hero{grid-template-columns:1fr}.editorial-course-grid{grid-template-columns:repeat(2,1fr)}.catalogue-filters{grid-template-columns:1fr 1fr}.search-field{grid-column:1/-1}.progress-list article{grid-template-columns:1fr}.recent-notes{grid-template-columns:1fr 1fr}.learning-method{grid-template-columns:1fr;gap:1rem}.site-footer{grid-template-columns:1fr 1fr}.footer-note{grid-column:1/-1}}@media (max-width:560px){.site-header{padding-inline:1rem}.editorial-course-grid{grid-template-columns:1fr}.home-strip,.truthful-stats{grid-template-columns:1fr 1fr}.catalogue-filters{grid-template-columns:1fr;margin-inline:1rem}.search-field{grid-column:auto}.catalogue-result{padding-inline:1rem;display:block}.catalogue-page>.editorial-course-grid{padding-inline:1rem}.recent-notes{grid-template-columns:1fr}.access-policy-card{grid-template-columns:1fr;margin-inline:1rem}.site-footer{grid-template-columns:1fr}.learning-method li{grid-template-columns:1fr;gap:.35rem}.section-heading{flex-direction:column;align-items:start}}.route-state{color:#172c49;max-width:900px;min-height:70svh;margin:auto;padding:clamp(4rem,10vw,8rem) 1rem}.route-state h1{letter-spacing:-.045em;font-size:clamp(2.2rem,6vw,4rem)}.route-state p{color:#536980;max-width:650px;line-height:1.7}.state-skeleton{background:#e4ebf3;max-width:640px;height:22px;margin:1.2rem 0}.state-skeleton.wide{max-width:760px;height:70px}.state-skeleton.short{max-width:360px}.billing-plan-hero:before{content:"";background:rgba(var(--cyan-rgb),.08);border-radius:50%;width:160px;height:160px;position:absolute;top:-40px;right:-40px}.billing-usage-bar{background:var(--bg3);border-radius:100px;height:8px;margin:.5rem 0;overflow:hidden}.billing-usage-fill{background:linear-gradient(90deg, var(--cyan), #0ea5e9);border-radius:100px;height:100%;transition:width .5s}.float-cta{z-index:800;color:#fff;letter-spacing:.08em;text-transform:uppercase;background:linear-gradient(135deg,#0284c7,#00dfff);border-radius:50px;align-items:center;gap:10px;padding:.875rem 1.5rem;font-size:.85rem;font-weight:800;text-decoration:none;transition:transform .24s,box-shadow .24s;animation:3s ease-in-out infinite dl-float;display:flex;position:fixed;bottom:clamp(1.25rem,4vw,2rem);right:clamp(1.25rem,4vw,2rem);box-shadow:0 8px 32px #0284c780}.float-cta:hover{transform:translateY(-3px);box-shadow:0 12px 40px #00dfff99}@keyframes dl-float{0%,to{box-shadow:0 8px 32px #0284c780,0 0 #00dfff4d}50%{box-shadow:0 8px 32px #0284c780,0 0 0 10px #00dfff00}}@media (max-width:480px){.nav{padding:0 1rem!important}.nav-links{display:none!important}.hero-actions{flex-direction:column!important;align-items:stretch!important;gap:.75rem!important}.hero-actions a,.hero-actions button{text-align:center!important;justify-content:center!important;width:100%!important}}@media (max-width:768px){.course-grid{grid-template-columns:1fr 1fr!important}}@media (max-width:500px){.course-grid{grid-template-columns:1fr!important}.course-card{min-width:0!important}}.course-guide{color:#172c49;max-width:980px;margin:auto;padding:clamp(3rem,8vw,7rem) 1rem}.course-guide>header{border-bottom:1px solid #d6e1ec;padding-bottom:2.5rem}.course-guide h1{letter-spacing:-.05em;margin:.4rem 0;font-size:clamp(2.5rem,6vw,4.5rem)}.course-guide h2{margin-top:3rem;font-size:1.8rem}.course-guide h3{font-size:1.3rem}.course-guide p,.course-guide li,.course-guide dd{color:#455b73;line-height:1.7}.guide-actions{gap:.8rem;margin-top:1.5rem;display:flex}.guide-module{break-inside:avoid;border-top:1px solid #d7e1ec;margin:2rem 0;padding-top:1rem}.guide-module table{font-size:.84rem}.guide-glossary>div{border-bottom:1px solid #dce4ed;grid-template-columns:180px 1fr;gap:1rem;padding:.8rem 0;display:grid}.guide-glossary dt{font-weight:750}.guide-glossary dd{margin:0}.guide-disclaimer{background:#fff8e8;border-left:4px solid #bd6b05;padding:1rem}@media (max-width:600px){.guide-actions{flex-direction:column}.guide-glossary>div{grid-template-columns:1fr}.course-guide .table-wrap,.guide-module{overflow-x:auto}}@media print{.site-header,.site-footer,.guide-actions{display:none!important}.course-guide{max-width:none;padding:0}.guide-module,.course-guide table,.course-guide svg{break-inside:avoid}.course-guide a{color:inherit;text-decoration:none}}.lesson-figure circle{fill:#173552;stroke:#58c5d4;stroke-width:2px}.source-list{gap:.75rem;padding-left:1.2rem;display:grid}.source-list li{padding-left:.25rem}.source-list a{color:#155fb0;font-weight:750;display:block}.source-list span{color:#60728a;margin-top:.15rem;font-size:.82rem;display:block}.course-project{background:#f2fbfc;border:1px solid #b7dce2;border-left:5px solid #0d9fb5;border-radius:12px;margin:2.8rem 0;padding:clamp(1.2rem,3vw,2rem)}.course-project h2{margin-top:.35rem}.course-project h3{margin-top:1.4rem}.course-project li{margin:.45rem 0}.guide-module .lesson-figure{max-width:760px;margin:1.5rem auto}.guide-module .content-callout{margin-top:1.25rem}@media (max-width:600px){.lesson-figure text{font-size:12px}.course-project{border-left-width:3px}}@media print{.source-list a:after,.course-guide a[href^=http]:after{content:" (" attr(href) ")";overflow-wrap:anywhere;font-size:.75em;font-weight:400}.course-project{background:#fff;border-color:#777}}.brand-logo{align-items:center;gap:.68rem;line-height:1;display:inline-flex}.brand-logo.compact{gap:.55rem}.logo-symbol{flex:none;display:block}.brand-wordmark{letter-spacing:-.045em;font-size:1.08rem;font-weight:820}.brand-logo.compact .brand-wordmark{font-size:1rem}.site-footer .brand-logo{color:#fff}.offline-notice,.storage-warning{color:#543b00;text-align:center;background:#fff4cf;border-bottom:1px solid #e7c968;padding:.72rem 1rem;font-size:.88rem;font-weight:650}.auth-page{background:linear-gradient(145deg,#eff7f6,#f8fafc 55%,#edf4f8);align-content:center;place-items:center;gap:2rem;min-height:100svh;padding:3rem 1rem;display:grid}.auth-brand{display:inline-flex}.auth-page .auth-card{color:#12304a;background:#fff;border:1px solid #cfdee2;border-radius:18px;width:min(100%,480px);padding:clamp(1.25rem,4vw,2.2rem);box-shadow:0 24px 70px #12304a1f}.auth-card h1{letter-spacing:-.04em;text-align:left;margin-bottom:.7rem;font-size:clamp(1.7rem,5vw,2.35rem);line-height:1.05}.auth-card>p{color:#536b7b}.auth-boundary{color:#365468;background:#f3f8f8;border-left:4px solid #0f9fa8;margin:1.25rem 0;padding:1rem;font-size:.83rem;line-height:1.55}.auth-label{color:#29465a;gap:.4rem;font-size:.82rem;font-weight:700;display:grid}.auth-input{width:100%;color:#12304a!important;background:#fff!important;border:1px solid #b9cbd2!important;border-radius:8px!important;padding:.78rem .85rem!important}.auth-input:focus{border-color:#0f858d!important;box-shadow:0 0 0 3px #0f9fa829!important}.auth-submit{justify-content:center;width:100%;margin-top:.45rem}.auth-error{color:#8b2020;background:#fff1f1;border:1px solid #e3aaaa;border-radius:8px;margin-bottom:1rem;padding:.75rem 1rem;font-size:.85rem}.auth-footnote{text-align:center;margin-top:1rem;line-height:1.55;font-size:.75rem!important}:where(a,button,input,textarea,select,summary):focus-visible{outline-offset:3px;outline:3px solid #0f9fa8}@media (max-width:560px){.brand-logo:not(.compact) .brand-wordmark{font-size:1rem}.site-header .brand-logo.compact .brand-wordmark{display:none}.auth-page{padding:2rem .8rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.state-skeleton{animation:none!important}}@media print{.offline-notice,.storage-warning{display:none!important}}.goal-section{scroll-margin-top:6rem}.goal-grid{border-top:1px solid var(--line,#d7dfe5);border-left:1px solid var(--line,#d7dfe5);grid-template-columns:repeat(5,1fr);display:grid}.goal-grid a{min-height:190px;color:inherit;border-right:1px solid var(--line,#d7dfe5);border-bottom:1px solid var(--line,#d7dfe5);background:#fff;padding:1.25rem;text-decoration:none;display:block}.goal-grid a:hover,.goal-grid a:focus-visible{outline-offset:-3px;background:#eef7f6;outline:3px solid #117c72}.goal-grid h3{margin:0 0 .65rem;font-size:1.05rem}.goal-grid p{color:#536171;margin:0 0 1rem;font-size:.9rem}.goal-grid span{color:#08756b;font-size:.72rem;font-weight:700}.proof-strip strong{font-size:1rem}.proof-strip span{font-size:.8rem}.course-outcome{color:#25384a;font-size:1rem}.course-project-line{color:#5d6873;font-size:.84rem}.course-card-meta{flex-wrap:wrap}.course-card-meta span:last-child{color:#6a7681;flex-basis:100%;font-size:.7rem}.catalogue-toolbar{grid-template-columns:minmax(280px,1fr) auto;align-items:end;gap:1rem;margin-bottom:1rem;display:grid}.catalogue-toolbar label{gap:.4rem;display:grid}.catalogue-toolbar label>span,.catalogue-filters label>span{color:#41515f;font-size:.75rem;font-weight:700}.catalogue-toolbar input,.catalogue-toolbar select{min-height:48px}.mobile-filter-button{display:none}.catalogue-filters{grid-template-columns:2fr 1fr 1fr auto}.catalogue-filters label{gap:.4rem;display:grid}@media (max-width:1100px){.goal-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:390px){.goal-grid{grid-template-columns:1fr}.goal-grid a{min-height:0}.editorial-course-grid{grid-template-columns:1fr}}.code-figure{background:#071421;border:1px solid #2b465b;margin:2rem 0}.code-figure figcaption{color:#c8d8e5;background:#10263a;justify-content:space-between;align-items:center;padding:.65rem .9rem;font:600 .75rem ui-monospace,monospace;display:flex}.code-figure button{color:#fff;background:0 0;border:1px solid #5d7890;border-radius:4px;padding:.35rem .65rem}.code-figure .code-example{max-width:100%;margin:0;overflow:auto}.course-overview{max-width:1440px;margin:auto;padding:0 clamp(1rem,4vw,4rem) 6rem}.course-overview-hero{grid-template-columns:minmax(0,1.3fr) minmax(320px,.7fr);align-items:center;gap:clamp(2rem,5vw,6rem);padding:clamp(3rem,8vw,8rem) 0;display:grid}.course-overview-hero h1{letter-spacing:-.06em;margin:.8rem 0 1.2rem;font-size:clamp(3rem,6vw,6rem);line-height:.95}.course-overview-hero .course-cover{height:420px}.course-overview-lead{color:#425568;max-width:760px;font-size:1.25rem}.browser-limit{color:#657482;margin-top:1.5rem;font-size:.78rem}.course-decision-grid{border-top:1px solid #d9e1e6;grid-template-columns:2fr 1fr;gap:4rem;padding:4rem 0;display:grid}.course-decision-grid section{max-width:760px}.course-decision-grid aside{background:#f0f5f4;padding:1.5rem}.course-decision-grid dl div{border-bottom:1px solid #cad8d6;justify-content:space-between;gap:1rem;padding:.8rem 0;display:flex}.course-decision-grid dt{color:#5d6a73}.course-decision-grid dd{text-align:right;font-weight:700}.course-project-showcase{color:#eef7f8;background:#09283a;padding:clamp(2rem,5vw,5rem)}.course-project-showcase h2{max-width:900px;font-size:clamp(2rem,4vw,4rem)}.course-project-showcase>div{flex-wrap:wrap;gap:.75rem;margin-top:2rem;display:flex}.course-project-showcase a{color:#fff;border:1px solid #80cabc;padding:.75rem 1rem}.course-modules{padding:5rem 0}.course-modules>article{border-top:1px solid #d9e1e6;grid-template-columns:70px 1fr;gap:1.5rem;padding:2rem 0;display:grid}.course-modules>article>span{color:#138477;font:700 1.8rem ui-monospace,monospace}.course-modules ol{grid-template-columns:repeat(3,1fr);gap:.75rem;padding:0;list-style:none;display:grid}.course-modules li a{color:#172b3b;background:#f4f6f5;justify-content:space-between;gap:1rem;height:100%;padding:1rem;display:flex}.course-modules li small{white-space:nowrap;color:#687984}.course-sources{padding:2rem 0}.course-sources li{border-bottom:1px solid #d9e1e6;justify-content:space-between;gap:1rem;padding:.7rem 0;display:flex}.course-sources span{color:#667580}@media (max-width:800px){.course-overview-hero,.course-decision-grid{grid-template-columns:1fr}.course-overview-hero .course-cover{grid-row:1;height:240px}.course-modules ol{grid-template-columns:1fr}.course-modules>article{grid-template-columns:45px 1fr}.course-overview-hero{padding-top:2rem}.course-project-showcase{margin-inline:-1rem}.course-sources li{display:grid}}.problem-hero{align-items:center;min-height:0;padding-block:clamp(3rem,7vw,6.5rem)}.problem-hero h1{letter-spacing:-.052em;max-width:720px;font-size:clamp(2.65rem,5vw,5.25rem);line-height:1.02}.problem-hero>div:first-child>p:not(.eyebrow){max-width:650px;font-size:clamp(1.05rem,1.35vw,1.25rem)}.lesson-proof{color:#e8f0f7;background:#07182b;border:1px solid #28445e;border-radius:12px;margin:0;overflow:hidden;box-shadow:0 28px 70px #07182b33}.lesson-proof figcaption{color:#c8d8e5;background:#10263a;justify-content:space-between;gap:1rem;padding:.85rem 1rem;font:600 .78rem/1.3 ui-monospace,monospace;display:flex}.lesson-proof figcaption strong{color:#65d5b2}.lesson-proof pre{white-space:pre;color:#c8e3f4;background:#071421;margin:0;padding:1.5rem;font:500 clamp(.76rem,1.15vw,.94rem)/1.75 ui-monospace,monospace;overflow:auto}.preview-output{color:#102236;background:#f4f0e8;gap:.35rem;margin:0 1rem 1rem;padding:1rem;display:grid}.preview-output span,.preview-output small{color:#5a6773;font-size:.75rem}.preview-output samp{font:800 1.2rem/1.3 ui-monospace,monospace}.lesson-proof ul{color:#bcd0df;flex-wrap:wrap;gap:.5rem 1.25rem;margin:0;padding:0 1rem 1.25rem;font-size:.78rem;list-style:none;display:flex}.lesson-proof li:before{content:"✓";color:#65d5b2;margin-right:.4rem}.course-cover{background:#0b2034;border:0;height:190px;margin:0;position:relative;overflow:hidden}.course-cover img{object-fit:cover;width:100%;height:100%;transition:transform .25s;display:block}.editorial-course-card a:hover .course-cover img,.editorial-course-card a:focus-visible .course-cover img{transform:scale(1.025)}.course-overview-hero .course-cover{aspect-ratio:3/2;border-radius:16px;height:auto;box-shadow:0 24px 65px #0823362e}@media (max-width:720px){.problem-hero{padding-block:2.5rem}.problem-hero h1{font-size:clamp(2.5rem,12vw,3.9rem)}.goal-grid{grid-template-columns:1fr 1fr}.goal-grid a{min-height:165px}.catalogue-toolbar{grid-template-columns:1fr auto}.sort-field{grid-column:1/-1}.mobile-filter-button{background:#fff;border:1px solid #8ba0b1;min-height:48px;padding:0 1rem;font-weight:700;display:block}.catalogue-filters{z-index:60;background:#fff;border-radius:18px 18px 0 0;max-height:76vh;padding:1.25rem;display:none;position:fixed;bottom:0;left:0;right:0;overflow:auto;box-shadow:0 -20px 60px #00152b33}.catalogue-filters.open{grid-template-columns:1fr;display:grid}.course-cover{height:156px}}@media (max-width:390px){.goal-grid{grid-template-columns:1fr}.goal-grid a{min-height:0}.editorial-course-grid{grid-template-columns:1fr}}@media (max-width:800px){.course-overview-hero .course-cover{aspect-ratio:16/9;height:auto}}@media (prefers-reduced-motion:reduce){.course-cover img{transition:none}.editorial-course-card a:hover .course-cover img{transform:none}}@media print{.course-cover{break-inside:avoid;background:#fff!important}.course-project-showcase{color:#000!important;background:#fff!important}}.guide-cover{max-width:820px;margin:2rem 0}.guide-cover .course-cover{aspect-ratio:8/5;border-radius:14px;height:auto;box-shadow:0 18px 45px #0a253e24}.course-cover[data-source=licensed-photography] img{filter:saturate(.96)contrast(1.02)}@media (max-width:600px){.guide-cover{margin:1.4rem 0}.guide-cover .course-cover{border-radius:9px}}@media print{.guide-cover{max-width:680px}.guide-cover .course-cover{box-shadow:none;border:1px solid #ccd5df}}.course-cover--brands{--cover-a:#123c66;--cover-b:#08243f;isolation:isolate;background:linear-gradient(135deg,var(--cover-a),var(--cover-b));color:#fff;flex-direction:column;justify-content:space-between;padding:18px 20px;display:flex}.course-cover--brands.tone-violet{--cover-a:#57358b;--cover-b:#241544}.course-cover--brands.tone-blue{--cover-a:#145da0;--cover-b:#082947}.course-cover--brands.tone-gold{--cover-a:#8d6113;--cover-b:#3d2a08}.course-cover--brands.tone-coral{--cover-a:#a74736;--cover-b:#4d1f20}.course-cover--brands.tone-indigo{--cover-a:#334a86;--cover-b:#111d42}.course-cover--brands.tone-emerald{--cover-a:#187159;--cover-b:#09382d}.course-cover--brands.tone-cyan{--cover-a:#137087;--cover-b:#073742}.course-cover--brands.tone-plum{--cover-a:#75516f;--cover-b:#352237}.course-cover--brands.tone-green{--cover-a:#477225;--cover-b:#1d3b18}.course-cover--brands.tone-teal{--cover-a:#13746e;--cover-b:#063c3b}.course-cover--brands.tone-slate{--cover-a:#49657c;--cover-b:#1d3042}.course-cover-grid{z-index:-1;opacity:.17;background-image:linear-gradient(#fff 1px,#0000 1px),linear-gradient(90deg,#fff 1px,#0000 1px);background-size:28px 28px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(110deg,#000,#0000 78%);mask-image:linear-gradient(110deg,#000,#0000 78%)}.course-cover--brands:after{content:"";z-index:-1;border:1px solid #ffffff45;border-radius:50%;width:190px;height:190px;position:absolute;top:-106px;right:-68px;box-shadow:0 0 0 26px #ffffff0d,0 0 0 52px #ffffff08}.course-cover-heading{text-transform:uppercase;letter-spacing:.12em;color:#fff;justify-content:space-between;align-items:center;gap:1rem;font-size:.68rem;font-weight:800;display:flex}.course-cover-heading small{letter-spacing:.1em;opacity:.72;font-size:.62rem}.course-brand-list{align-items:flex-end;gap:14px;display:flex}.course-brand-mark{color:#172b3b;background:#fff;border-radius:10px;grid-template-columns:58px minmax(0,1fr);align-items:center;gap:12px;min-width:0;padding:10px 13px;display:grid;box-shadow:0 10px 28px #00132940}.course-brand-mark svg{width:50px;height:50px;fill:var(--brand)}.course-brand-mark>span{overflow-wrap:anywhere;font-size:.82rem;font-weight:800;line-height:1.1}.course-brand-list.count-1 .course-brand-mark{grid-template-columns:64px auto;padding-right:20px}.course-brand-list.count-1 .course-brand-mark svg{width:58px;height:58px}.course-brand-list.count-2 .course-brand-mark{flex:1}.editorial-course-card a:hover .course-cover--brands,.editorial-course-card a:focus-visible .course-cover--brands{filter:brightness(1.04)}@media (max-width:720px){.course-cover--brands{padding:14px 16px}.course-brand-mark{grid-template-columns:42px minmax(0,1fr);padding:8px 10px}.course-brand-mark svg,.course-brand-list.count-1 .course-brand-mark svg{width:40px;height:40px}.course-brand-mark>span{font-size:.72rem}}@media print{.course-cover--brands{border:1px solid #ccd5df;color:#102b40!important;background:#eef3f6!important}.course-cover-heading{color:#102b40}.course-cover-grid{display:none}}.hero-rebuilt{grid-template-columns:minmax(0,1fr) minmax(480px,.95fr);align-items:stretch;gap:clamp(2.5rem,4.5vw,4.75rem);max-width:1380px;padding:clamp(3.5rem,5.5vw,5.5rem) clamp(1rem,3.5vw,3rem);position:relative}.hero-copy{z-index:2;flex-direction:column;justify-content:center;min-width:0;padding-block:1rem;display:flex;position:relative}.hero-kicker{color:#08766f;align-items:center;gap:.55rem;display:inline-flex}.hero-kicker:before{content:"";background:#0c9a90;width:28px;height:2px}.problem-hero.hero-rebuilt h1{letter-spacing:-.062em;color:#102840;text-wrap:balance;max-width:700px;margin:.85rem 0 1.45rem;font-size:clamp(3.2rem,5.2vw,5.9rem);line-height:.95}.problem-hero.hero-rebuilt h1 span{color:#0b8178;display:block}.problem-hero.hero-rebuilt .hero-lead{color:#496077;max-width:620px;font-size:clamp(1.06rem,1.25vw,1.22rem);line-height:1.68}.hero-rebuilt .hero-actions{justify-content:flex-start;align-items:center;gap:1.15rem;margin:1.85rem 0 1.75rem}.hero-primary{background:#0a766e;gap:.75rem;min-height:52px;padding-inline:1.35rem;box-shadow:0 10px 28px #075b5433}.hero-primary:hover{background:#075f59}.hero-secondary{color:#153d5f;border-bottom:1px solid #8ca3b6;align-items:center;min-height:52px;padding:.75rem .25rem;font-weight:750;display:inline-flex}.hero-trust{border-top:1px solid #d8e2e8;gap:0;max-width:570px;margin:0 0 1rem;padding:1.25rem 0 0;list-style:none;display:flex}.hero-trust li{border-left:1px solid #ccd9df;min-width:125px;padding:0 1.15rem;display:grid}.hero-trust li:first-child{border-left:0;padding-left:0}.hero-trust strong{color:#102f4a;font-size:1.35rem;line-height:1.1}.hero-trust span{color:#64778a;margin-top:.25rem;font-size:.72rem}.hero-honesty{align-items:center;display:flex;color:#607489!important;gap:.5rem!important;font-size:.76rem!important}.hero-honesty span{color:#159284;font-size:.55rem}.hero-visual{background:#0b2631;border-radius:28px;min-height:clamp(520px,48vw,640px);margin:0;position:relative;overflow:hidden;box-shadow:0 32px 80px #0e2b3d3d}.hero-visual>img{object-fit:cover;object-position:center 45%}.hero-visual-shade{background:linear-gradient(#0000 48%,#04161eb3),linear-gradient(90deg,#05232a29,#0000 45%);position:absolute;inset:0}.hero-proof-card,.hero-skill-card{z-index:2;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff2;border:1px solid #ffffffb8;position:absolute;box-shadow:0 18px 44px #03182533}.hero-proof-card{border-radius:14px;align-items:center;gap:.8rem;padding:1rem 1.1rem;display:flex;bottom:20px;left:22px;right:22px}.hero-proof-card>span:last-child{display:grid}.hero-proof-card strong{color:#12334c;font-size:.9rem}.hero-proof-card small{color:#5c7080;font-size:.72rem}.hero-proof-icon{color:#08766f;background:#dff6ed;border-radius:50%;flex:0 0 36px;place-items:center;height:36px;font-weight:900;display:grid}.hero-skill-card{color:#14334b;border-radius:12px;padding:.85rem 1rem;display:grid;top:22px;right:22px}.hero-skill-card span{text-transform:uppercase;letter-spacing:.12em;color:#687b89;font-size:.62rem}.hero-skill-card strong{font-size:.88rem}.hero-skill-card small{color:#08766f;margin-top:.15rem;font-size:.67rem}.outcome-ribbon{border-block:1px solid #d8e2e8;flex-wrap:wrap;justify-content:center;gap:0;max-width:1240px;margin:0 auto 1.5rem;display:flex}.outcome-ribbon span{color:#39546a;padding:1rem 1.35rem;font-size:.76rem;font-weight:750}.outcome-ribbon span+span:before{content:"·";color:#16a196;margin-right:1.35rem}.section-intro{color:#5b6e7f;max-width:670px;margin-top:.4rem;line-height:1.65}.goal-section{padding-top:4.5rem}.goal-section .section-heading h2,.featured-section .section-heading h2{letter-spacing:-.045em;font-size:clamp(2.2rem,4vw,3.4rem);line-height:1.02}.goal-grid{border:0;grid-template-columns:repeat(5,1fr);gap:12px}.goal-grid a{background:linear-gradient(150deg,#fff,#f8fbfc);border:1px solid #d8e2e8;border-radius:12px;min-height:220px;padding:1.3rem;position:relative}.goal-grid a:hover,.goal-grid a:focus-visible{outline-offset:0;background:#f0faf8;outline:2px solid #168e83;transform:translateY(-3px);box-shadow:0 14px 35px #0d414f1a}.goal-grid small{color:#98a9b5;margin-bottom:1.6rem;font-weight:800;display:block}.goal-grid span{justify-content:space-between;align-items:center;display:flex}.goal-grid span b{font-size:1.1rem}.featured-section{padding-block:5rem}.featured-section>.section-heading{margin-bottom:2rem}.learning-method{color:#eef6f7;background:#0d2a3d;border:0;border-radius:22px;gap:clamp(2rem,6vw,6rem);margin-block:5rem;padding:clamp(2rem,5vw,4.5rem)}.learning-method h2{color:#fff;letter-spacing:-.045em;font-size:clamp(2.2rem,4vw,4rem);line-height:1}.learning-method p,.learning-method li span{color:#b9cad3}.learning-method li{border-color:#315065;grid-template-columns:140px 1fr}.learning-method li strong:before{color:#54d1c2}.method-link{color:#72ddcf;margin-top:1.3rem;font-weight:750;display:inline-flex}.final-cta{background:linear-gradient(135deg,#eef9f7,#e8f2fa);border-radius:22px;justify-content:space-between;align-items:end;gap:3rem;max-width:1240px;margin:5rem auto 2rem;padding:clamp(2.25rem,6vw,5rem);display:flex}.final-cta h2{letter-spacing:-.05em;color:#102b42;max-width:800px;font-size:clamp(2.2rem,4.2vw,4.4rem);line-height:1}.final-cta p{color:#506779;max-width:680px}.final-cta>div:last-child{text-align:center;flex:none;gap:1rem;display:grid}.final-cta>div:last-child>a:last-child{color:#164b70;font-weight:700}.site-header{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fbfdfff0;position:sticky;top:0;box-shadow:0 1px #14364e0d}.desktop-nav a:hover,.desktop-nav a:focus-visible{color:#0a766e}.header-action{background:#0a766e}.local-first-banner{background:#f2f8f7;border-left-color:#0a766e;border-radius:0 12px 12px 0}@media (max-width:1100px){.hero-rebuilt{grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:clamp(2rem,4vw,3.25rem)}.hero-rebuilt .hero-actions{flex-direction:column;align-items:stretch}.hero-rebuilt .hero-actions a{text-align:center;justify-content:center;width:100%}.hero-rebuilt .hero-secondary{border:1px solid #a9bbc7;border-radius:8px;padding-inline:1rem}.hero-visual{min-height:500px}.goal-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:900px){.hero-rebuilt{grid-template-columns:1fr;gap:2.5rem;padding-top:3rem}.hero-copy{max-width:760px;padding-block:0}.hero-rebuilt .hero-actions{flex-direction:row;align-items:center}.hero-rebuilt .hero-actions a{width:auto}.hero-rebuilt .hero-secondary{border:0;border-bottom:1px solid #8ca3b6;border-radius:0;padding-inline:.25rem}.hero-visual{aspect-ratio:16/10;grid-row:auto;min-height:0}.final-cta{flex-direction:column;align-items:start;margin-inline:1rem}.outcome-ribbon,.learning-method{margin-inline:1rem}.problem-hero.hero-rebuilt h1{font-size:clamp(3rem,10vw,5.5rem)}}@media (max-width:600px){.hero-rebuilt{gap:2rem;padding:2.4rem 1rem 3rem}.hero-rebuilt .hero-actions{flex-direction:column}.problem-hero.hero-rebuilt h1{font-size:clamp(2.65rem,12.5vw,3.8rem);line-height:.98}.problem-hero.hero-rebuilt .hero-lead{line-height:1.58}.hero-secondary{border:1px solid #a9bbc7;border-radius:8px;padding-inline:1rem}.hero-rebuilt .hero-actions{align-items:stretch}.hero-primary,.hero-secondary{justify-content:center;width:100%}.hero-trust li{flex:1;min-width:0;padding-inline:.7rem}.hero-trust strong{font-size:1.15rem}.hero-visual{aspect-ratio:4/5;border-radius:18px;min-height:0}.hero-skill-card{top:14px;right:14px}.hero-proof-card{bottom:14px;left:14px;right:14px}.hero-proof-card small{display:none}.outcome-ribbon{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto}.outcome-ribbon span{white-space:nowrap}.goal-grid{grid-template-columns:1fr 1fr}.goal-grid a{min-height:205px}.learning-method,.final-cta{border-radius:14px}.final-cta>div:last-child{width:100%}}.diagram-summary{color:#536980!important;margin:.25rem 0!important;font-size:.86rem!important;line-height:1.5!important}.assessment-main{min-height:70svh}.assessment-breadcrumb{color:#64788a;flex-wrap:wrap;align-items:center;gap:.55rem;margin-bottom:2.5rem;font-size:.82rem;display:flex}.assessment-breadcrumb a{color:#126aa0;font-weight:700}.assessment-intro>p{max-width:650px;line-height:1.7}.assessment-facts{border-block:1px solid #d4e0e7;grid-template-columns:repeat(3,1fr);margin:2rem 0;display:grid}.assessment-facts div{border-right:1px solid #d4e0e7;padding:1.1rem}.assessment-facts div:last-child{border-right:0}.assessment-facts dt{color:#65798a;text-transform:uppercase;letter-spacing:.06em;font-size:.75rem}.assessment-facts dd{color:#173450;margin:.3rem 0 0;font-size:1.15rem;font-weight:800}.assessment-device-note{background:#eef8f7;border-left:4px solid #0f8a91;padding:1rem;font-size:.86rem;color:#3f5d6b!important}.assessment-actions{flex-wrap:wrap;gap:.75rem;margin:1.5rem 0;display:flex}.assessment-status{color:#526778;justify-content:space-between;gap:1rem;font-size:.84rem;font-weight:700;display:flex}.assessment-confirm{background:#fff8e8;border:1px solid #ddb86d;border-radius:12px;margin-top:2rem;padding:1.25rem;box-shadow:0 12px 34px #4433101a}.assessment-confirm h2{margin:.1rem 0 .6rem}.assessment-review{margin-top:3rem}.answer-review{background:#fff;border:1px solid #d7e0e5;border-left:4px solid #a67519;border-radius:8px;margin:1rem 0;padding:1.4rem}.answer-review.correct{border-left-color:#148064}.answer-review.incorrect{border-left-color:#b2691a}.assessment-navigation button:disabled{opacity:.45;cursor:not-allowed}.practice-complete-mark{background:var(--green-light);color:var(--green);text-transform:uppercase;letter-spacing:.08em;border-radius:999px;margin-bottom:1rem;padding:.45rem .8rem;font-size:.78rem;font-weight:800;display:inline-flex}@media (max-width:600px){.assessment-facts{grid-template-columns:1fr}.assessment-facts div{border-bottom:1px solid #d4e0e7;border-right:0}.assessment-facts div:last-child{border-bottom:0}.assessment-actions{flex-direction:column}.assessment-actions>*{justify-content:center;width:100%}}.hero-actions .text-link{align-items:center;min-height:44px;padding:.35rem .2rem;display:inline-flex}@media (max-width:390px){.hero-trust{flex-wrap:wrap;row-gap:1rem}.hero-trust li{flex:30%}.goal-grid{grid-template-columns:1fr}.goal-grid a{min-height:0}.hero-visual{aspect-ratio:4/5;min-height:0}}.hero-image-disclosure{z-index:2;color:#fffc;letter-spacing:.03em;font-size:.62rem;position:absolute;bottom:8px;right:14px}.story-grid{grid-template-columns:repeat(3,1fr);gap:1.25rem;display:grid}.story-grid article{background:#fff;border:1px solid #d5e0e7;border-radius:16px;overflow:hidden;box-shadow:0 12px 34px #12304a14}.story-grid figure{aspect-ratio:8/5;background:#e8eef1;margin:0;position:relative}.story-grid figure img{object-fit:cover}.story-grid figcaption{color:#fff;background:#051823d6;border-radius:4px;padding:.25rem .45rem;font-size:.62rem;position:absolute;inset:auto 8px 8px auto}.story-grid figcaption a{text-decoration:underline}.story-grid article>div{padding:1.25rem}.story-grid article>div>span{color:#08756b;text-transform:uppercase;letter-spacing:.08em;font-size:.7rem;font-weight:800}.story-grid h3{color:#172c49;margin:.35rem 0;font-size:1.2rem}.story-grid p{color:#536b7b;font-size:.9rem;line-height:1.65}@media (max-width:800px){.story-grid{grid-template-columns:1fr}.story-grid figure{aspect-ratio:16/9}}@media (min-width:360px) and (max-width:560px){.site-header .brand-logo.compact .brand-wordmark{font-size:.95rem;display:inline}}.course-value-strip{background:#fbfdfd;border:1px solid #d8e2e8;border-radius:14px;grid-template-columns:repeat(4,1fr);margin-bottom:1rem;display:grid;overflow:hidden}.course-value-strip div{border-right:1px solid #d8e2e8;gap:.15rem;padding:1.25rem 1.4rem;display:grid}.course-value-strip div:last-child{border-right:0}.course-value-strip strong{color:#0a766e;font-size:1.45rem}.course-value-strip span{color:#607383;font-size:.78rem}.course-pdf-card{color:#16374d;background:#fff;border:1px solid #c9d9d7;border-radius:10px;gap:.25rem;margin-top:1.25rem;padding:1.1rem;text-decoration:none;display:grid}.course-pdf-card:hover{border-color:#0a766e;box-shadow:0 10px 24px #0a766e18}.course-pdf-card span{text-transform:uppercase;letter-spacing:.09em;color:#0a766e;font-size:.68rem;font-weight:800}.course-pdf-card strong{font-size:.95rem}.course-pdf-card small{color:#637481;line-height:1.45}.course-project-showcase{grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);align-items:center;gap:clamp(2rem,5vw,5rem);display:grid}.project-showcase-copy h2{margin-top:.4rem}.project-downloads{flex-wrap:wrap;gap:.75rem;margin-top:2rem;display:flex}.project-proof{background:#123449;border:1px solid #3d6072;border-radius:12px;padding:1.4rem}.project-proof>span{text-transform:uppercase;letter-spacing:.1em;color:#72ddcf;margin-bottom:1rem;font-size:.7rem;font-weight:800;display:block}.project-proof ul{gap:.8rem;margin:0;padding:0;list-style:none;display:grid}.project-proof li{color:#d8e5ea;padding-left:1.45rem;font-size:.88rem;line-height:1.45;position:relative}.project-proof li:before{content:"check";color:#72ddcf;font-size:.6rem;font-weight:900;position:absolute;left:0}.course-sources>p{color:#5d6f7c;max-width:720px}.course-sources ul{margin-top:1.2rem;padding:0;list-style:none}.guide-actions{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}@media (max-width:800px){.course-value-strip{grid-template-columns:1fr 1fr}.course-value-strip div:nth-child(2){border-right:0}.course-value-strip div:nth-child(-n+2){border-bottom:1px solid #d8e2e8}.course-project-showcase{grid-template-columns:1fr}.course-overview-hero .hero-actions{align-items:stretch}.course-overview-hero .hero-actions>*{text-align:center;justify-content:center}}@media (max-width:440px){.course-value-strip strong{font-size:1.2rem}.course-value-strip div{padding:1rem}.course-value-strip span{font-size:.7rem}}.assessment-main{width:min(760px,100% - 2rem);min-height:100vh;margin:0 auto;padding:clamp(2rem,7vw,5rem) 0}.assessment-main h1{margin:.75rem 0 1.5rem;font-size:clamp(1.8rem,5vw,3rem);line-height:1.12}.assessment-main>p{color:#526778;margin-bottom:1.25rem}.assessment-main progress{accent-color:#0a766e;width:100%;height:8px;margin:1rem 0 2rem}.assessment-main fieldset{border:0;gap:.75rem;margin:2rem 0;display:grid}.assessment-main legend{margin-bottom:1rem;font-weight:750}.assessment-option{cursor:pointer;border:1px solid #cbd8df;border-radius:10px;align-items:flex-start;gap:.85rem;padding:1rem;display:flex}.assessment-option:has(input:checked){background:#eef9f7;border-color:#0a766e}.assessment-option input{accent-color:#0a766e;width:18px;height:18px;margin-top:.3rem}.assessment-navigation{justify-content:space-between;gap:1rem;margin-top:2rem;display:flex}.assessment-navigation button,.assessment-main [role=alert] button{background:#fff;border:1px solid #8fa5b2;border-radius:8px;min-height:44px;padding:.65rem 1rem;font-weight:700}.result-score{border-block:1px solid #d7e0e5;align-items:baseline;gap:1.5rem;margin-bottom:1.5rem;padding:1.5rem 0;display:flex}.result-score strong{font-size:3rem}.result-score span{color:#0a766e;font-size:1.5rem}.answer-review{border-top:1px solid #d7e0e5;padding:1.5rem 0}.answer-review h3{margin-bottom:.8rem}.answer-review p{color:#526778;margin:.45rem 0}@media (max-width:520px){.assessment-navigation{flex-direction:column}.assessment-navigation button{width:100%}.result-score strong{font-size:2.3rem}}.mobile-filter-heading{display:none}.mobile-nav summary,.outline-toggle,.outline-close,.lesson-context button,.code-figure button,.auth-tab{min-height:44px}.mobile-nav summary{align-items:center;padding:.5rem .25rem;font-weight:700;list-style-position:inside;display:flex}.lesson-content h1,.lesson-content h2,.course-outline,.course-card-body,.course-overview,.assessment-main,.practice-page{overflow-wrap:anywhere}.course-card-meta{justify-content:flex-start;gap:.45rem 1rem}.course-card-meta span{white-space:normal}@media (max-width:720px){.catalogue-filters{padding-bottom:calc(1.25rem + env(safe-area-inset-bottom))}.mobile-filter-heading{border-bottom:1px solid #d5e0eb;justify-content:space-between;align-items:center;gap:1rem;padding-bottom:.75rem;display:flex}.mobile-filter-heading button{color:#173450;background:#fff;border:1px solid #8ba0b1;border-radius:7px;min-width:64px;min-height:44px;font-weight:700}.course-card-meta{grid-template-columns:1fr 1fr;display:grid}.course-card-meta span:last-child{grid-column:1/-1}}@media (max-width:560px){.site-header .brand-logo.compact .brand-wordmark{font-size:.9rem;display:inline}.course-overview-hero h1{overflow-wrap:anywhere;font-size:clamp(2.35rem,13vw,3.35rem)}.course-modules>article{grid-template-columns:1fr;gap:.65rem}.course-modules>article>span{font-size:1.25rem}.course-modules li a{align-items:flex-start;min-height:52px}.project-downloads{display:grid}.project-downloads a{text-align:center;justify-content:center;align-items:center;min-height:48px;display:flex}.content-callout,.practice-activity,.knowledge-check,.takeaways,.note-editor{padding:1.15rem}}@media (max-width:800px){.course-outline.open{padding-top:0;padding-bottom:calc(2rem + env(safe-area-inset-bottom))}.outline-close{z-index:2;text-align:right;background:#fff;border-bottom:1px solid #cbd8e6;width:100%;padding:.75rem 1rem;font-weight:750;position:sticky;top:0}.lesson-context button{padding:.65rem 0}}.device-profile-list{gap:.75rem;display:grid}.lesson-showcase{background:#f8fbfc;border:1px solid #cbd9e4;border-radius:18px;margin:2rem 0 2.5rem;overflow:hidden;box-shadow:0 18px 48px #12304a1a}.lesson-showcase>div{aspect-ratio:3/2;background:#e6edf1;position:relative}.lesson-showcase img{object-fit:cover}.lesson-showcase figcaption{color:#314c61;gap:.35rem;padding:1rem 1.2rem;font-size:.9rem;line-height:1.55;display:grid}.lesson-showcase figcaption small{color:#6b7f8e;font-size:.72rem}@media (max-width:600px){.lesson-showcase{border-radius:12px;margin-inline:-.25rem}.lesson-showcase>div{aspect-ratio:4/3}.lesson-showcase figcaption{padding:.85rem 1rem}}@media print{.lesson-showcase{box-shadow:none;break-inside:avoid}.lesson-showcase figcaption small{display:none}}.diagram-kicker{align-items:center;gap:.7rem;display:flex}.diagram-kicker>span:last-child{gap:.08rem;display:grid}.diagram-kicker small{color:#60768a;letter-spacing:.02em;font-size:.72rem;font-weight:650}.diagram-kind-icon{color:#126b7f;background:#dff4f5;border-radius:10px;place-items:center;width:2.35rem;height:2.35rem;display:grid}.diagram-kind-icon svg{width:1.35rem;height:1.35rem}.diagram-connector svg{width:44px;height:16px;overflow:visible}.diagram-connector svg path{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round}.diagram-loop{color:#176a80;justify-content:center;align-items:center;gap:.55rem;margin:-.3rem 1.4rem 1.2rem;font-size:.78rem;font-weight:700;display:flex}.diagram-loop svg{width:1.1rem;height:1.1rem}.diagram-timeline .semantic-diagram{position:relative}.diagram-timeline .semantic-diagram:before{content:"";background:#bad5df;height:2px;position:absolute;top:calc(50% + .25rem);left:2.5rem;right:2.5rem}.diagram-timeline .diagram-node{z-index:1}.diagram-comparison .diagram-node,.diagram-matrix .diagram-node{border-top:4px solid #55b8c8}.diagram-layers .diagram-node{box-shadow:0 8px 22px #12365812}@media (max-width:680px){.diagram-connector svg,.diagram-layers .diagram-connector svg{transform:rotate(90deg)}.diagram-timeline .semantic-diagram:before{width:2px;height:auto;inset:2rem auto 2rem 50%}.diagram-loop{justify-content:flex-start;margin-inline:1rem}.diagram-kind-icon{width:2.15rem;height:2.15rem}}@media (prefers-reduced-motion:reduce){.lesson-figure *{scroll-behavior:auto}}html{scroll-padding-top:84px}.desktop-nav a,.mobile-nav nav a{position:relative}.desktop-nav a.active{color:#0a766e;font-weight:800}.desktop-nav a.active:after{content:"";background:#0a766e;border-radius:3px;height:3px;position:absolute;bottom:-.72rem;left:0;right:0}.mobile-nav nav a.active{color:#086b64;background:#eaf7f5;font-weight:800}.catalogue-toolbar{width:min(1240px,100% - 2rem);margin-left:auto;margin-right:auto}.search-control{display:block;position:relative}.search-control input{padding-right:4.25rem}.search-control button{color:#0a6f68;min-height:34px;font:inherit;cursor:pointer;background:0 0;border:0;padding:.25rem .55rem;font-size:.78rem;font-weight:750;position:absolute;top:50%;right:.45rem;transform:translateY(-50%)}.catalogue-filters button:disabled{opacity:.48;cursor:not-allowed}.catalogue-result p{color:#334b5e;margin:0}.course-loading{color:#365468;place-content:center;justify-items:center;gap:1rem;min-height:70svh;padding:2rem;display:grid}.loading-mark{border:4px solid #cfe4e4;border-top-color:#0a766e;border-radius:50%;width:42px;height:42px;animation:.8s linear infinite loading-spin}.loading-lines{gap:.45rem;width:min(280px,70vw);display:grid}.loading-lines span{background:#dce8eb;border-radius:8px;height:8px}.loading-lines span:nth-child(2){width:78%}.loading-lines span:nth-child(3){width:56%}@keyframes loading-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.loading-mark{border-top-color:#0a766e;animation:none}}.print-only{display:none}.guide-format-note{color:#60728a;max-width:680px;margin-top:1rem;font-size:.82rem;line-height:1.55}.download-library{grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;margin-top:1.5rem;display:grid}.download-library a{color:#fff;background:#173e50;border:1px solid #4d7182;border-radius:10px;align-content:start;gap:.42rem;min-height:150px;padding:1.1rem;display:grid}.download-library a:hover,.download-library a:focus-visible{background:#1d4d62}.download-library span{color:#78ded1;letter-spacing:.08em;text-transform:uppercase;font-size:.68rem;font-weight:800}.download-library strong{font-size:.95rem;line-height:1.35}.download-library small{color:#d7e5ea;font-size:.76rem;line-height:1.5}@media (max-width:760px){.download-library{grid-template-columns:1fr}.download-library a{min-height:0}.guide-format-note{font-size:.78rem}}@page{size:A4;margin:16mm 15mm 18mm}@media print{html,body{-webkit-print-color-adjust:exact;print-color-adjust:exact;font-size:10pt;line-height:1.45;color:#172c49!important;background:#fff!important;font-family:Arial,Helvetica,sans-serif!important}.print-only{display:block}.lesson-print-header{border-bottom:2px solid #0a766e;margin:0 0 10mm;padding-bottom:5mm}.lesson-print-header>div{justify-content:space-between;align-items:baseline;display:flex}.lesson-print-header>div strong{color:#123b75;font-size:17pt}.lesson-print-header>div span{text-transform:uppercase;letter-spacing:.1em;color:#526a7b;font-size:8pt}.lesson-print-header dl{grid-template-columns:2fr .8fr .8fr .8fr;gap:3mm;margin:5mm 0 0;display:grid}.lesson-print-header dl div{border-left:2px solid #9bcfca;padding-left:3mm}.lesson-print-header dt{text-transform:uppercase;color:#60728a;font-size:6.5pt;font-weight:700}.lesson-print-header dd{margin:1mm 0 0;font-weight:700}.lesson-content article{max-width:none}.lesson-content h1{margin:3mm 0 4mm;font-size:25pt;line-height:1.08}.lesson-content h2{break-after:avoid-page;font-size:15pt}.lesson-content h3{break-after:avoid-page}.lesson-intro{font-size:11pt}.lesson-context,.access-badge,.note-editor,.knowledge-check button,.code-figure button{display:none!important}.lesson-showcase{max-width:150mm;box-shadow:none;margin:7mm auto}.lesson-showcase>div{aspect-ratio:3/2}.lesson-figure{box-shadow:none;break-inside:avoid;margin:8mm 0}.lesson-figure,.content-callout,.practice-activity,.knowledge-check,.takeaways,.objectives,.course-project{break-inside:avoid;background:#fff!important;border-color:#9aabb7!important}.diagram-node{background:#fff!important}.diagram-kind-icon,.diagram-number{color:#164d59!important;background:#dcefed!important}.process-list li,table tr,.source-list li{break-inside:avoid}.table-wrap{overflow:visible!important}table{width:100%!important;font-size:8.5pt!important}th,td{padding:2.5mm!important}.code-example{overflow-wrap:anywhere;white-space:pre-wrap!important;max-height:none!important;font-size:8pt!important}.code-figure{break-inside:avoid}.answer-option{min-height:0!important;padding:2mm!important}.lesson-print-footer{color:#60728a;border-top:1px solid #aab9c3;margin-top:10mm;padding-top:4mm;font-size:7.5pt}.course-guide{max-width:none;padding:0}.course-guide>header{break-after:page;border:0;flex-direction:column;justify-content:center;min-height:245mm;display:flex}.course-guide>header h1{font-size:30pt}.course-guide .guide-cover{max-width:145mm;margin:8mm auto}.course-guide>section{break-before:page}.course-guide .guide-module{break-inside:auto;break-before:page;overflow:visible}.course-guide .guide-module table{break-inside:auto}.course-guide .guide-module tr,.course-guide .guide-module .lesson-figure,.course-guide .guide-module .content-callout{break-inside:avoid}.course-guide .course-project{break-inside:auto}.guide-format-note{display:none}}:root{--studio-navy:#092b3d;--studio-teal:#087e73;--studio-aqua:#39c6b4;--studio-blue:#2167ae;--studio-canvas:#f4f8fa;--studio-ink:#102638;--studio-muted:#587080;--studio-warm:#f59e55;--studio-max:1320px;--studio-shadow:0 18px 50px #092b3d1a}.site-header{max-width:none;padding-inline:max(1rem,calc((100vw - var(--studio-max))/2))}.mobile-nav summary{cursor:pointer;gap:.65rem;list-style:none}.mobile-nav summary::-webkit-details-marker{display:none}.menu-icon,.menu-icon:before,.menu-icon:after{background:currentColor;border-radius:2px;width:20px;height:2px;transition:transform .2s;display:block}.menu-icon{position:relative}.menu-icon:before,.menu-icon:after{content:"";position:absolute;left:0}.menu-icon:before{top:-6px}.menu-icon:after{top:6px}.mobile-nav[open] .menu-icon{background:0 0}.mobile-nav[open] .menu-icon:before{top:0;transform:rotate(45deg)}.mobile-nav[open] .menu-icon:after{top:0;transform:rotate(-45deg)}.mobile-primary-action{text-align:center;background:var(--studio-teal)!important;color:#fff!important}.goal-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.goal-grid a:nth-child(2n){transform:translateY(1.5rem)}.goal-grid a:nth-child(2n):hover,.goal-grid a:nth-child(2n):focus-visible{transform:translateY(calc(1.5rem - 4px))}.learning-stories{background:linear-gradient(135deg,#f0faf8 0%,#f7fbfc 56%,#eef5f8 100%);border-radius:24px}.story-grid{grid-template-rows:1fr 1fr;grid-template-columns:minmax(0,1.55fr) minmax(260px,.75fr)}.story-grid .lead-story{grid-row:1/3}.story-grid .lead-story figure{aspect-ratio:16/11}.story-grid .lead-story>div{padding:clamp(1.4rem,3vw,2.2rem)}.story-grid .lead-story h3{font-size:clamp(1.45rem,2.6vw,2.15rem)}.story-grid article:not(.lead-story){grid-template-columns:minmax(130px,.8fr) minmax(0,1.2fr);display:grid}.story-grid article:not(.lead-story) figure{aspect-ratio:auto;height:100%}.story-grid article:not(.lead-story)>div{padding:1.1rem}.story-grid article:not(.lead-story) h3{font-size:1.05rem}.site-footer{padding:clamp(3.5rem,7vw,6.5rem) max(1rem,calc((100vw - var(--studio-max))/2)) 1.25rem;background:var(--studio-navy);color:#dce9ed;display:block}.footer-grid{grid-template-columns:minmax(260px,1.65fr) repeat(2,minmax(130px,.7fr)) minmax(230px,1fr);align-items:start;gap:clamp(2rem,5vw,5rem);display:grid}.footer-brand p{color:#dce9ed;max-width:360px;margin:1.25rem 0 .65rem;font-size:1rem}.footer-brand span,.footer-information p{color:#9fb5bf;font-size:.85rem;line-height:1.65}.site-footer nav{gap:.7rem;display:grid}.site-footer nav strong,.footer-information strong{color:#fff;letter-spacing:.1em;text-transform:uppercase;margin-bottom:.45rem;font-size:.75rem;display:block}.site-footer nav a{color:#c8d9df;font-size:.9rem}.site-footer nav a:hover,.site-footer nav a:focus-visible{color:var(--studio-aqua)}.footer-information p{margin-top:1rem}.footer-bottom{color:#91aab4;border-top:1px solid #ffffff24;justify-content:space-between;gap:1rem;margin-top:clamp(3rem,6vw,5rem);padding-top:1.25rem;font-size:.75rem;display:flex}@media (max-width:1050px){.goal-grid{grid-template-columns:repeat(3,1fr)}.goal-grid a:nth-child(2n){transform:none}.goal-grid a:nth-child(2n):hover,.goal-grid a:nth-child(2n):focus-visible{transform:translateY(-4px)}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}.footer-information{grid-column:1/-1;max-width:620px}}@media (max-width:800px){.learning-stories{border-radius:0}.story-grid{grid-template-rows:auto;grid-template-columns:1fr}.story-grid .lead-story{grid-row:auto}.story-grid article:not(.lead-story){grid-template-columns:1fr}.story-grid article:not(.lead-story) figure{aspect-ratio:16/9}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-information{grid-column:1/-1}}@media (max-width:600px){.site-header{padding-inline:1rem}.mobile-nav nav{width:auto;left:1rem;right:1rem}.header-action{display:none}.mobile-nav{margin-left:auto}.goal-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand,.footer-information{grid-column:1/-1}.footer-bottom{flex-direction:column}.site-footer{padding-bottom:calc(1.25rem + env(safe-area-inset-bottom))}}@media (prefers-reduced-motion:reduce){.menu-icon,.menu-icon:before,.menu-icon:after{transition:none}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@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}