@font-face{font-family:Jakarta;src:url('../brand/PlusJakartaSans-wght.ttf')}@font-face{font-family:Inter;src:url('../brand/Inter-Variable.ttf')}@font-face{font-family:Plex;src:url('../brand/IBMPlexMono-Medium.ttf')}
:root{--ink:#241e1a;--spark:#ff5a1f;--paper:#fdf8ee;--sand:#f3ecde;--leaf:#12a67a;--clay:#c7b299}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,Arial,sans-serif}a{color:inherit;text-decoration:none}.wrap{width:min(1240px,calc(100% - 80px));margin:auto}.topbar{height:82px;display:flex;align-items:center;gap:40px;padding:0 40px;border-bottom:1px solid rgba(36,30,26,.14);position:sticky;top:0;background:rgba(253,248,238,.93);backdrop-filter:blur(16px);z-index:10}.logo img{display:block;width:126px;height:auto}.nav{display:flex;gap:28px;flex:1;justify-content:center;font-size:13px}.nav a,.quiet-link{transition:color .2s}.nav a:hover,.quiet-link:hover,.text-link:hover{color:var(--spark)}.header-actions{display:flex;align-items:center;gap:20px;font-size:13px}.button{display:inline-flex;gap:18px;align-items:center;padding:15px 20px;background:var(--spark);color:white;font-size:13px;font-weight:700;border-radius:2px;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px);background:#e74c14}.button.small{padding:11px 14px;gap:10px}.button.dark{background:var(--ink)}.arrow{font-size:18px;line-height:.7}.menu{display:none;border:0;background:none;font-size:28px;color:var(--ink)}.hero{min-height:660px;display:grid;grid-template-columns:1fr .65fr;align-items:center;position:relative;padding:80px 0 100px}.eyebrow,.section-label,.card-meta,.note-feature p,.note-simple p{font:500 11px Plex,monospace;letter-spacing:.08em;text-transform:uppercase}.eyebrow{display:flex;gap:10px;align-items:center}.spark-dot{width:8px;height:8px;border-radius:50%;background:var(--spark)}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Jakarta,Arial,sans-serif;letter-spacing:-.055em}h1{font-size:clamp(70px,9.5vw,144px);line-height:.86;margin:24px 0 30px;font-weight:800}h1 em,h2 em{font-family:Georgia,serif;font-weight:400;letter-spacing:-.08em}h1 em{color:var(--spark)}.lede{font-size:18px;line-height:1.6;max-width:440px;color:#635d58}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:35px}.text-link{display:inline-flex;align-items:center;gap:10px;border-bottom:1px solid var(--ink);padding-bottom:5px;font-size:13px;font-weight:600}.hero-mark{align-self:end;display:flex;align-items:flex-end;justify-content:center;gap:24px;padding-bottom:20px}.hero-mark span{font:800 clamp(190px,26vw,350px)/.6 Jakarta;color:var(--spark);letter-spacing:-.16em}.hero-mark i{font:500 11px/1.6 Plex;transform:translate(-16px,-5px);white-space:nowrap}.intro-band{background:var(--ink);color:var(--paper);padding:110px 0}.intro-grid{display:grid;grid-template-columns:.6fr 1.25fr .2fr;gap:60px;align-items:start}.section-label{color:var(--clay)}h2{font-size:clamp(42px,5.2vw,76px);line-height:.95;margin:0 0 28px;font-weight:800}.intro-grid p:not(.section-label){font-size:17px;line-height:1.7;max-width:500px;color:#ded6ca}.round-link{display:grid;place-items:center;width:54px;height:54px;border:1px solid #6c635c;border-radius:50%;font-size:26px;transition:.2s}.round-link:hover{background:var(--spark);border-color:var(--spark)}.library{padding:130px 0}.library-head{display:flex;justify-content:space-between;gap:30px;align-items:end}.library-head h2{margin:18px 0 0}.library-head h2 em,.notes h2 em{color:var(--spark)}.search{width:min(390px,100%);display:flex;gap:12px;align-items:center;border-bottom:1px solid var(--ink);padding:10px 0}.search span{font-size:24px}.search input{border:0;background:transparent;outline:none;width:100%;font:15px Inter;color:var(--ink)}.filters{display:flex;gap:10px;flex-wrap:wrap;margin:68px 0 28px}.filters button{border:1px solid #d6cec1;background:transparent;padding:10px 14px;border-radius:20px;font:500 12px Inter;color:var(--ink);cursor:pointer}.filters button.active,.filters button:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}.skill-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.skill-card{display:flex;flex-direction:column;justify-content:space-between;min-height:330px;padding:22px;background:#f1eadf;transition:transform .25s,box-shadow .25s}.skill-card:hover{transform:translateY(-6px);box-shadow:0 15px 30px rgba(36,30,26,.12)}.skill-card.spark{background:var(--spark);color:#fff}.skill-card.leaf{background:var(--leaf);color:#fff}.skill-card.ink{background:var(--ink);color:var(--paper)}.skill-card.clay{background:var(--clay)}.card-top,.card-foot{display:flex;justify-content:space-between;align-items:center;font:500 11px Plex}.card-arrow{font-size:28px}.skill-card h3{font-size:30px;line-height:1.02;margin:12px 0 14px}.card-desc{font-size:14px;line-height:1.55;max-width:290px}.card-foot{padding-top:20px;border-top:1px solid rgba(255,255,255,.3)}.clay .card-foot{border-color:rgba(36,30,26,.25)}.card-foot a{font-weight:700}.empty{padding:70px 0;font-size:17px}.all-skills{text-align:center;margin-top:42px}.notes{background:var(--sand);padding:120px 0}.notes-head{display:grid;grid-template-columns:.75fr 1.25fr .4fr;align-items:end;gap:40px}.notes-head .text-link{justify-self:end;margin-bottom:28px}.note-grid{display:grid;grid-template-columns:1.35fr .75fr .75fr;gap:14px;margin-top:50px}.note-feature,.note-simple{min-height:300px;display:flex;flex-direction:column;padding:25px;transition:transform .2s}.note-feature:hover,.note-simple:hover{transform:translateY(-4px)}.note-feature{justify-content:space-between;background:var(--ink);color:var(--paper)}.note-feature h3{font-size:44px;line-height:1;max-width:520px;margin:auto 0}.note-feature span{font-weight:600;font-size:13px}.note-simple{background:var(--paper);justify-content:space-between}.note-simple h3{font-size:28px;line-height:1.08}.note-simple span{font:500 11px Plex}.newsletter{padding:120px 0;display:grid;grid-template-columns:1fr .8fr;gap:10vw}.newsletter h2{margin:18px 0 0}.newsletter form>p{font-size:16px}.newsletter label{display:flex;border-bottom:1px solid var(--ink);margin-top:30px}.newsletter input{flex:1;border:0;background:transparent;padding:15px 0;outline:0;font:16px Inter}.newsletter button{border:0;background:var(--spark);color:white;width:52px;font-size:24px;cursor:pointer}.newsletter small{display:block;margin-top:12px;color:#756e68;font-size:11px;line-height:1.5}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}footer{background:var(--ink);color:var(--paper);padding:55px 0 28px}.footer-grid{display:grid;grid-template-columns:1fr 1.2fr .8fr;gap:28px;align-items:start}.footer-grid img{width:140px;filter:grayscale(1) brightness(0) invert(1)}.footer-grid p{font:600 16px Jakarta;max-width:230px}.footer-grid div{display:flex;flex-direction:column;gap:9px;font-size:13px}.footer-grid span{grid-column:1/-1;border-top:1px solid #534b45;padding-top:20px;font:500 10px Plex;color:var(--clay)}
@media(max-width:800px){.wrap{width:calc(100% - 42px)}.topbar{height:68px;padding:0 21px}.nav,.header-actions{display:none}.menu{display:block;margin-left:auto}.nav.open{position:absolute;display:flex;flex-direction:column;gap:22px;top:68px;left:0;right:0;padding:26px 21px;background:var(--paper);border-bottom:1px solid #ddd}.hero{grid-template-columns:1fr;min-height:auto;padding:80px 0 60px}.hero-mark{justify-content:flex-start;padding-top:75px}.hero-mark span{font-size:210px}.intro-band,.library,.notes,.newsletter{padding:75px 0}.intro-grid,.notes-head,.newsletter{grid-template-columns:1fr;gap:25px}.round-link{display:none}.library-head{display:block}.search{margin-top:40px}.skill-grid,.note-grid{grid-template-columns:1fr}.skill-card{min-height:280px}.notes-head .text-link{justify-self:start;margin:0}.note-feature h3{font-size:36px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid p{grid-column:1/-1}.hero-actions{flex-wrap:wrap}h1{font-size:78px}.hero-mark i{font-size:10px}.filters{margin-top:40px}}
.detail-hero{padding:110px 0 80px;position:relative}.detail-hero h1{font-size:clamp(58px,9vw,130px);max-width:900px;margin:20px 0 28px}.detail-number{position:absolute;right:6%;top:95px;font:800 220px/.8 Jakarta;color:var(--sand);letter-spacing:-.13em;z-index:-1}.detail-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:65px;padding-top:16px;border-top:1px solid #cfc6b9;font:500 11px Plex;text-transform:uppercase}.detail-main{display:grid;grid-template-columns:220px minmax(0,760px);gap:9vw;padding:80px 0 130px;border-top:1px solid #cfc6b9}.detail-main aside{height:max-content;position:sticky;top:110px;display:flex;flex-direction:column;gap:14px;font-size:13px}.detail-main aside a{color:#716861}.detail-main aside a:hover{color:var(--spark)}.detail-main article section{padding:0 0 90px}.detail-main article p:not(.section-label){font-size:17px;line-height:1.8;max-width:670px;color:#554e49}.steps{display:grid;gap:0;border-top:1px solid #cfc6b9}.steps div{display:grid;grid-template-columns:70px 1fr;column-gap:18px;padding:24px 0;border-bottom:1px solid #cfc6b9}.steps b{grid-row:span 2;font:500 11px Plex;color:var(--spark)}.steps h3{font-size:25px;margin:0 0 6px}.steps p{margin:0!important;font-size:14px!important}.prompt-block{background:var(--ink);color:var(--paper);padding:38px!important;margin-bottom:90px}.prompt-block .section-label{color:var(--clay)}.prompt-block h2{font-size:42px}.prompt-block pre{white-space:pre-wrap;margin:30px 0;padding:22px;background:#352d28;color:#e6ddd0;font:500 13px/1.7 Plex}.prompt-block button{border:1px solid #837970;background:transparent;color:var(--paper);padding:12px 15px;font:600 12px Inter;cursor:pointer}.detail-main article section:last-child{padding-bottom:0}.detail-main .button{margin-top:25px}@media(max-width:800px){.detail-hero{padding:75px 0 55px}.detail-number{font-size:120px;top:70px;right:0}.detail-main{grid-template-columns:1fr;padding:55px 0 75px}.detail-main aside{position:static;display:none}.detail-main article section{padding-bottom:65px}.prompt-block{margin-bottom:65px}.detail-meta{margin-top:45px;gap:12px}.detail-hero h1{font-size:64px}}
.hero-mark img{display:block;width:clamp(150px,23vw,280px);height:auto}.skill-card.sand{background:var(--sand)}.access-pill{padding:6px 9px;border:1px solid currentColor;border-radius:20px;font-size:9px;text-transform:uppercase}.filter-groups{margin:58px 0 76px}.filter-groups .filters{margin:0 0 13px}.filter-groups .filters.departments{margin-bottom:0}.skill-section-head{display:flex;align-items:end;justify-content:space-between;gap:36px;margin:0 0 30px;padding-top:16px;border-top:1px solid #d3cabc}.skill-section-head h2{font-size:clamp(42px,5vw,65px);margin:8px 0 0}.skill-section-head h2 em,.newsletter h2 em{color:var(--spark)}.skill-section-head>p{max-width:360px;line-height:1.6;font-size:15px;color:#675f59}.paid-head{margin-top:105px}.contact-panel{align-self:center}.contact-panel>p{font-size:17px;line-height:1.6;max-width:360px}.contact-panel .button{margin-top:18px}.newsletter small{display:block;margin-top:16px;color:#756e68;font-size:11px;line-height:1.5}@media(max-width:800px){.hero-mark img{width:150px}.filter-groups{margin:40px 0 60px}.skill-section-head{display:block}.skill-section-head>p{margin-top:18px}.paid-head{margin-top:72px}.filter-groups .filters{margin-top:0}}
.subhero{min-height:520px;padding:105px 0 100px;position:relative}.subhero h1{max-width:850px;font-size:clamp(66px,9vw,138px)}.subhero>p:not(.eyebrow){max-width:500px;font-size:18px;line-height:1.65;color:#635d58}.subhero-mark{position:absolute;right:10%;bottom:75px}.subhero-mark img{width:150px}.dark-hero{background:var(--ink);color:var(--paper);width:100%;max-width:none;padding-left:max(40px,calc((100% - 1240px)/2));padding-right:max(40px,calc((100% - 1240px)/2))}.dark-hero>p:not(.eyebrow){color:#d6cec1}.dark-hero h1 em{color:var(--spark)}.access-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px;padding:95px 0 130px;border-top:1px solid #d3cabc}.skill-list>article{display:grid;grid-template-columns:48px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid #d3cabc}.skill-list>article>span{font:500 11px Plex;color:var(--spark)}.skill-list article p{font:500 10px Plex;letter-spacing:.08em;text-transform:uppercase;margin-bottom:9px}.skill-list h3{font-size:26px;margin:0 0 7px}.skill-list small{font-size:14px;line-height:1.5;color:#625b55}.gate-card{background:var(--ink);color:var(--paper);padding:38px}.gate-card .section-label{color:var(--clay)}.gate-card h2{font-size:46px;margin:12px 0}.gate-card h2 em{color:var(--spark)}.gate-card>p:not(.section-label){color:#d6cec1;line-height:1.6}.access-form{display:grid;gap:16px;margin-top:28px}.access-form label{display:grid;gap:7px;font:500 10px Plex;letter-spacing:.06em;text-transform:uppercase}.access-form input,.access-form select{width:100%;border:1px solid #665d57;background:#302824;color:var(--paper);padding:13px;font:14px Inter}.access-form select{appearance:none}.access-form .check{display:flex;gap:9px;align-items:flex-start;font:12px/1.5 Inter;letter-spacing:0;text-transform:none;color:#d6cec1}.access-form .check input{width:auto;margin-top:3px}.access-form .button{width:max-content;border:0;cursor:pointer;margin-top:7px}.unlock-success{margin-top:32px;padding-top:24px;border-top:1px solid #625952}.unlock-success h3{font-size:30px;margin:10px 0}.unlock-success p:not(.eyebrow){color:#d6cec1;line-height:1.6}.sub-quote{padding:100px 0;background:var(--sand)}.sub-quote h2{max-width:650px;margin:10px 0}.sub-quote>div>p:not(.section-label){font-size:17px;color:#625b55}.sub-quote.ink{background:var(--ink);color:var(--paper)}.sub-quote.ink h2 em{color:var(--spark)}.paid-grid{padding:100px 0;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:#d3cabc}.paid-grid article{background:var(--paper);min-height:300px;padding:34px;display:flex;flex-direction:column}.paid-grid article>p:first-child{font:500 10px Plex;color:var(--spark);letter-spacing:.08em}.paid-grid h2{font-size:42px;margin:20px 0}.paid-grid article>p:nth-of-type(2){line-height:1.6;color:#625b55;max-width:330px}.paid-grid a{margin-top:auto;font-size:13px;font-weight:700;border-bottom:1px solid var(--ink);width:max-content;padding-bottom:4px}.department-list{padding:50px 0 130px}.department-list a{display:grid;grid-template-columns:75px 1fr minmax(230px,.75fr) 30px;gap:20px;align-items:center;padding:30px 0;border-top:1px solid #d3cabc;transition:.2s}.department-list a:last-child{border-bottom:1px solid #d3cabc}.department-list a:hover{padding-left:12px;color:var(--spark)}.department-list span{font:500 11px Plex}.department-list h2{font-size:42px;margin:0}.department-list p{margin:0;line-height:1.5}.department-list b{font-size:24px}.notes-stack{padding:40px 0 125px}.notes-stack article{padding:42px 0;border-top:1px solid #d3cabc;display:grid;grid-template-columns:.55fr 1.2fr .75fr;gap:35px;align-items:start}.notes-stack article:last-child{border-bottom:1px solid #d3cabc}.notes-stack article>p:first-child{font:500 10px Plex;color:var(--spark);letter-spacing:.08em}.notes-stack h2{font-size:38px;margin:0}.notes-stack article>p:nth-of-type(2){line-height:1.6;color:#625b55}.notes-stack a{font-size:13px;font-weight:700}.subpage .topbar .nav a[href="/free-skills"],.subpage .topbar .nav a[href="/paid-skills"],.subpage .topbar .nav a[href="/departments"],.subpage .topbar .nav a[href="/field-notes"]{white-space:nowrap}@media(max-width:800px){.subhero{min-height:0;padding:75px 0}.subhero h1{font-size:66px}.subhero-mark{position:static;margin-top:55px}.subhero-mark img{width:120px}.dark-hero{padding-left:21px;padding-right:21px}.access-layout{grid-template-columns:1fr;gap:55px;padding:65px 0}.gate-card{padding:28px 22px}.paid-grid{grid-template-columns:1fr}.paid-grid article{min-height:250px}.department-list{padding:20px 0 75px}.department-list a{grid-template-columns:35px 1fr 24px;gap:12px}.department-list h2{font-size:31px}.department-list p{grid-column:2/-1}.notes-stack{padding:10px 0 75px}.notes-stack article{grid-template-columns:1fr;gap:13px;padding:30px 0}.notes-stack h2{font-size:32px}}
.captcha-design{display:grid;grid-template-columns:20px 1fr auto;gap:9px;align-items:center;width:100%;max-width:265px;padding:11px 12px;border:1px solid #908780;background:#f6f0e5;color:var(--ink);font-size:12px;line-height:1}.captcha-design small{font:500 9px Plex;color:#726a62}.captcha-box{width:18px;height:18px;border:1px solid #81776e;background:var(--paper)}
.access-form .check.optional{color:#aca39a}.access-form .button:disabled{cursor:not-allowed;opacity:.55}.form-error{margin:0;color:#ffab8b;font:12px/1.5 Inter}

/* Skills collection refresh */
.track-section{padding:126px 0 132px}.track-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;padding-top:16px;border-top:1px solid #d3cabc;margin-bottom:42px}.track-heading h2{margin:10px 0 0}.track-heading h2 em{color:var(--spark)}.track-heading>p{max-width:400px;margin:0;color:#675f59;font-size:16px;line-height:1.65}.track-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.track-card{display:flex;flex-direction:column;min-height:420px;padding:24px;background:var(--sand);transition:transform .2s,box-shadow .2s}.track-card:hover{transform:translateY(-5px);box-shadow:0 16px 32px rgba(36,30,26,.12)}.track-card.spark{background:var(--spark);color:#fff}.track-card.leaf{background:var(--leaf);color:#fff}.track-card-top{display:flex;justify-content:space-between;font:500 10px Plex;letter-spacing:.07em;text-transform:uppercase}.track-card-top span:last-child{border:1px solid currentColor;border-radius:20px;padding:6px 9px;font-size:9px}.track-card .card-meta{margin:74px 0 10px}.track-card h3{font-size:45px;line-height:.95;margin:0 0 15px}.track-card>div:nth-child(2)>p:last-child{font-size:15px;line-height:1.6;max-width:310px;margin:0}.track-card ul{display:flex;flex-wrap:wrap;gap:7px;padding:0;margin:26px 0 auto;list-style:none}.track-card li{border:1px solid currentColor;border-radius:20px;padding:7px 10px;font-size:11px}.track-link{margin-top:25px;padding-top:17px;border-top:1px solid rgba(36,30,26,.28);font-size:13px;font-weight:700}.spark .track-link,.leaf .track-link{border-color:rgba(255,255,255,.36)}.paid-overview{background:var(--ink);color:var(--paper);padding:118px 0 128px}.paid-heading{border-color:#5a514a}.paid-heading>p{color:#d6cec1}.paid-overview-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:14px}.paid-collection{min-height:465px;padding:30px;background:#302824;display:flex;flex-direction:column;transition:background .2s,transform .2s}.paid-collection:hover{background:#3c332d;transform:translateY(-4px)}.paid-collection .section-label{color:var(--clay)}.paid-collection h3{font-size:clamp(44px,5vw,68px);line-height:.94;margin:58px 0 24px}.paid-collection h3 em{color:var(--spark);font-family:Georgia,serif;font-weight:400}.skill-chip-list{display:flex;flex-wrap:wrap;gap:8px;max-width:610px}.skill-chip-list span{border:1px solid #776d65;border-radius:18px;padding:8px 11px;font-size:12px}.paid-collection b{margin-top:auto;padding-top:25px;border-top:1px solid #5b514a;font-size:13px}.study-collection{background:var(--leaf)}.study-collection:hover{background:#0b9670}.study-collection>p:not(.section-label){font-size:16px;line-height:1.65;max-width:330px}.study-collection b{border-color:rgba(255,255,255,.35)}.about-preview{padding:128px 0;display:grid;grid-template-columns:1fr .72fr;gap:12vw}.about-preview h2{margin:12px 0 0}.about-preview h2 em{color:var(--spark)}.about-preview>div:last-child{align-self:end}.about-preview>div:last-child>p{font:19px/1.65 Inter;color:#5d554f;max-width:430px}.about-preview .text-link{margin-top:28px}.collection-stack{padding:24px 0 130px}.collection-stack article{display:grid;grid-template-columns:130px minmax(230px,1fr) minmax(260px,.7fr);gap:48px;padding:46px 0;border-top:1px solid #d3cabc}.collection-stack article:last-child{border-bottom:1px solid #d3cabc}.collection-stack h2{font-size:50px;margin:0 0 16px}.collection-stack h2+p{max-width:480px;line-height:1.65;color:#625b55}.collection-stack ul{display:flex;flex-wrap:wrap;align-content:start;gap:8px;padding:0;margin:0;list-style:none}.collection-stack li{border:1px solid #c6bdae;border-radius:20px;padding:9px 12px;font-size:13px}.paid-collections{display:grid;grid-template-columns:1.15fr .85fr;gap:14px;padding:105px 0 125px}.paid-collections article{min-height:520px;padding:34px}.marketing-paid{background:var(--sand)}.study-paid{background:var(--leaf);color:#fff;display:flex;flex-direction:column}.paid-collections h2{font-size:clamp(46px,5.5vw,72px);margin:16px 0}.paid-collections h2 em{font-family:Georgia,serif;font-weight:400;color:var(--spark)}.paid-collections article>p:not(.section-label){max-width:520px;font-size:16px;line-height:1.65;color:#625b55}.study-paid>p:not(.section-label){color:#e7fff6}.paid-skill-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0;margin-top:42px;border-top:1px solid #c9c0b2}.paid-skill-list span{display:flex;gap:13px;align-items:center;padding:16px 0;border-bottom:1px solid #c9c0b2;font-size:14px;font-weight:650}.paid-skill-list b{font:500 10px Plex;color:var(--spark)}.study-paid .button{margin-top:auto;width:max-content}.about-hero{padding-bottom:85px}.about-story{display:grid;grid-template-columns:.5fr 1fr;gap:8vw;padding:100px 0;border-top:1px solid #d3cabc}.about-story h2{font-size:clamp(46px,5.8vw,80px);line-height:.95}.about-story h2 em{color:var(--spark)}.about-story div>p{max-width:590px;font-size:18px;line-height:1.72;color:#5b534d}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-bottom:128px;border-top:1px solid #d3cabc;border-left:1px solid #d3cabc}.principles article{min-height:320px;padding:30px;border-right:1px solid #d3cabc;border-bottom:1px solid #d3cabc}.principles span{font:500 11px Plex;color:var(--spark)}.principles h2{font-size:37px;margin:74px 0 18px}.principles p{font-size:15px;line-height:1.65;color:#625b55}
@media(max-width:800px){.track-section,.paid-overview{padding:75px 0}.track-heading{display:block;margin-bottom:30px}.track-heading>p{margin-top:18px}.track-grid,.paid-overview-grid,.paid-collections{grid-template-columns:1fr}.track-card{min-height:350px}.track-card .card-meta{margin-top:50px}.about-preview{grid-template-columns:1fr;gap:28px;padding:75px 0}.collection-stack{padding:0 0 76px}.collection-stack article{grid-template-columns:1fr;gap:16px;padding:32px 0}.collection-stack h2{font-size:42px}.paid-collections{padding:70px 0;gap:14px}.paid-collections article{min-height:0;padding:26px}.paid-skill-list{grid-template-columns:1fr;margin-top:28px}.study-paid{min-height:380px!important}.about-story{grid-template-columns:1fr;gap:25px;padding:70px 0}.principles{grid-template-columns:1fr;margin-bottom:75px}.principles article{min-height:0}.principles h2{margin-top:50px}.subpage .topbar{gap:13px}.subpage .topbar .nav{display:flex;justify-content:flex-end;gap:12px;font-size:11px}.subpage .topbar .button{display:none}}
.verification-modal{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:20px;background:rgba(36,30,26,.72);backdrop-filter:blur(5px)}.verification-card{position:relative;width:min(100%,440px);padding:34px;background:var(--ink);color:var(--paper);box-shadow:0 24px 70px rgba(0,0,0,.3)}.verification-card h3{font-size:36px;line-height:1.04;margin:12px 0}.verification-card h3 em{color:var(--spark)}.verification-card>p:not(.eyebrow){max-width:330px;color:#d6cec1;line-height:1.55;margin-bottom:22px}.verification-card .button{display:block;margin-top:20px;border:0;cursor:pointer}.verification-close{position:absolute;top:13px;right:16px;border:0;background:transparent;color:var(--paper);font-size:28px;line-height:1;cursor:pointer}.verification-card .captcha-design{margin-top:16px}
.action-verification{display:contents}.action-link{appearance:none;border:0;border-radius:0;background:transparent;color:inherit;padding:0;font:inherit;text-align:left;cursor:pointer;list-style:none}.action-link::-webkit-details-marker{display:none}.paid-grid .action-link,.notes-stack .action-link{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px;font-weight:700}.sub-quote .action-link.button{display:inline-block;text-decoration:none;text-align:center}.action-verification:not([open]) .verification-modal{display:none}.action-verification[open] .verification-modal{display:grid}.verification-card .captcha-design{margin-top:16px}.verification-close{text-decoration:none;text-align:center}
:focus-visible{outline:3px solid var(--spark);outline-offset:4px}
.your-skills-hero{padding-bottom:82px}.your-skills-layout{display:grid;grid-template-columns:.83fr 1.17fr;gap:14px;padding:0 0 125px}.custom-brief-panel,.custom-form-panel{padding:38px}.custom-brief-panel{background:var(--sand)}.custom-brief-panel h2,.custom-form-panel h2{font-size:clamp(42px,4.8vw,65px);margin:16px 0 24px}.custom-brief-panel h2 em{color:var(--spark)}.custom-brief-panel>p:not(.section-label),.custom-form-panel>p:not(.section-label){font-size:16px;line-height:1.65;color:#625b55;max-width:460px}.custom-brief-panel ol{display:grid;gap:0;padding:0;margin:54px 0 0;list-style:none;border-top:1px solid #cec5b8}.custom-brief-panel li{display:grid;grid-template-columns:40px 1fr;gap:12px;padding:17px 0;border-bottom:1px solid #cec5b8;font-size:14px;line-height:1.5}.custom-brief-panel li span{font:500 10px Plex;color:var(--spark)}.custom-form-panel{background:var(--ink);color:var(--paper)}.custom-form-panel .section-label{color:var(--clay)}.custom-form-panel>p:not(.section-label){color:#d6cec1}.custom-skills-form{display:grid;gap:16px;margin-top:31px}.custom-skills-form label{display:grid;gap:7px;font:500 10px Plex;letter-spacing:.06em;text-transform:uppercase}.custom-skills-form input,.custom-skills-form select,.custom-skills-form textarea{width:100%;border:1px solid #665d57;background:#302824;color:var(--paper);padding:13px;font:14px Inter}.custom-skills-form textarea{resize:vertical;line-height:1.55}.custom-skills-form .note-field{margin-top:4px}.custom-skills-form .check{display:flex;gap:9px;align-items:flex-start;font:12px/1.5 Inter;letter-spacing:0;text-transform:none;color:#d6cec1}.custom-skills-form .check input{width:auto;margin-top:3px}.custom-skills-form .button{width:max-content;border:0;cursor:pointer;margin-top:6px}.design-only-note{margin:0;color:#aca39a;font:11px/1.5 Inter}.custom-form-success{padding:40px 0}.custom-form-success h3{font-size:38px;margin:12px 0}.custom-form-success p:not(.eyebrow){color:#d6cec1;line-height:1.6;max-width:390px}@media(max-width:800px){.your-skills-layout{grid-template-columns:1fr;padding-bottom:75px}.custom-brief-panel,.custom-form-panel{padding:27px 22px}.custom-brief-panel ol{margin-top:38px}}
.honeypot{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}.paid-status{margin-top:auto;font:500 10px Plex;letter-spacing:.08em;color:var(--spark)}.paid-release-copy{max-width:470px;line-height:1.65;color:#d6cec1}.admin-page{min-height:100vh;background:var(--paper);color:var(--ink)}.admin-header{height:78px;display:flex;justify-content:space-between;align-items:center;padding:0 5vw;border-bottom:1px solid #d3cabc;font-size:13px;font-weight:700}.admin-header .logo img{width:130px}.admin-header>a:not(.logo){border-bottom:1px solid currentColor}.admin-wrap{width:min(1240px,90vw);margin:auto;padding:88px 0 120px}.admin-wrap h1{font-size:clamp(60px,8vw,118px);margin:18px 0 58px}.admin-wrap h1 em,.admin-denied h1 em{color:var(--spark)}.admin-metrics{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #d3cabc;border-left:1px solid #d3cabc}.admin-metrics article{padding:25px;border-right:1px solid #d3cabc;border-bottom:1px solid #d3cabc}.admin-metrics span,.admin-section-head span{font:500 10px Plex;letter-spacing:.08em}.admin-metrics strong{display:block;margin-top:13px;font:800 58px/.9 Jakarta}.admin-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:52px;margin-top:76px}.admin-section-head{display:flex;align-items:baseline;justify-content:space-between;border-bottom:1px solid #d3cabc;padding-bottom:16px}.admin-section-head h2{font-size:32px;margin:0}.admin-table-wrap{overflow:auto}.admin-page table{width:100%;border-collapse:collapse;font-size:13px}.admin-page th,.admin-page td{padding:16px 12px;border-bottom:1px solid #e0d8cc;text-align:left;white-space:nowrap}.admin-page th{font:500 10px Plex;letter-spacing:.07em}.admin-page td:first-child{color:#746b63;font:500 10px Plex}.admin-page td a{border-bottom:1px solid #d3cabc}.department-stat{display:flex;justify-content:space-between;padding:17px 0;border-bottom:1px solid #d3cabc;font-size:14px}.department-stat b{font:700 24px Jakarta}.admin-muted{font-size:14px;line-height:1.6;color:#746b63}.admin-denied{min-height:100vh;padding:14vh 8vw;background:var(--ink);color:var(--paper)}.admin-denied h1{font-size:clamp(58px,9vw,120px);line-height:.9;margin:18px 0;white-space:pre-line}.admin-denied>p:not(.eyebrow){max-width:400px;line-height:1.6;color:#d6cec1}.admin-denied .text-link{margin-top:26px;color:var(--paper)}.admin-login{display:grid;gap:14px;width:min(100%,390px);margin:30px 0}.admin-login label{display:grid;gap:8px;font:500 10px Plex;letter-spacing:.08em;text-transform:uppercase}.admin-login input{border:1px solid #756b62;background:#302824;color:var(--paper);padding:14px;font:16px Inter}.admin-login .button{width:max-content;border:0;cursor:pointer}@media(max-width:800px){.admin-header{height:68px;padding:0 21px}.admin-wrap{width:calc(100% - 42px);padding:62px 0 80px}.admin-wrap h1{margin-bottom:40px}.admin-metrics{grid-template-columns:1fr}.admin-grid{grid-template-columns:1fr;gap:48px;margin-top:54px}.admin-page th,.admin-page td{padding:13px 10px}.admin-page th:first-child,.admin-page td:first-child{display:none}}

/* === Agentic1 demo build — bổ sung cho bản HTML tĩnh === */
.access-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px;padding:95px 0 130px;border-top:1px solid #d3cabc;align-items:start}
.gate-card .access-form input,.gate-card .access-form select{color-scheme:dark}
.access-form select,.custom-skills-form select{background-image:linear-gradient(45deg,transparent 50%,#d6cec1 50%),linear-gradient(135deg,#d6cec1 50%,transparent 50%);background-position:calc(100% - 18px) 20px,calc(100% - 13px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px}
.verification-modal[hidden]{display:none!important}
.verification-card .g-recaptcha{margin-top:16px;min-height:78px}
.verification-status{margin:14px 0 0;font:12px/1.5 Inter;color:#d6cec1}
.form-success{margin:0;color:#7ee0b6;font:12px/1.5 Inter}
.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:var(--paper);padding:12px 18px;font:600 13px Inter}
.skip-link:focus{left:12px;top:12px}
.unlock-success .drive-links{display:grid;gap:0;margin:22px 0 26px;border-top:1px solid #625952}
.unlock-success .drive-links a{display:grid;grid-template-columns:34px 1fr 22px;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid #625952;font-size:14px;transition:padding-left .2s,color .2s}
.unlock-success .drive-links a:hover{padding-left:8px;color:var(--spark)}
.unlock-success .drive-links b{font:500 10px Plex;color:var(--spark)}
.unlock-success .drive-links span:last-child{text-align:right;font-size:17px}
.notice{margin:26px 0 0;padding:15px 17px;border-left:2px solid var(--spark);background:rgba(255,90,31,.07);font:13px/1.6 Inter;color:#5b534d}
.custom-form-panel .notice{background:rgba(255,90,31,.13);color:#e5ddd3}
.platinum-form-panel{background:var(--ink);color:var(--paper);padding:38px}
.platinum-form-panel .section-label{color:var(--clay)}
.platinum-form-panel h2{font-size:clamp(40px,4.6vw,60px);margin:14px 0 22px}
.platinum-form-panel h2 em{color:var(--spark)}
.platinum-form-panel>p:not(.section-label){color:#d6cec1;line-height:1.65;max-width:460px}
.platinum-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:14px;padding:0 0 125px}
.platinum-intro-panel{background:var(--sand);padding:38px}
.platinum-intro-panel h2{font-size:clamp(40px,4.6vw,60px);margin:14px 0 22px}
.platinum-intro-panel h2 em{color:var(--spark)}
.platinum-intro-panel>p{font-size:16px;line-height:1.65;color:#625b55;max-width:460px}
@media(max-width:800px){.access-layout{grid-template-columns:1fr;gap:55px;padding:65px 0}.platinum-layout{grid-template-columns:1fr;padding-bottom:75px}.platinum-form-panel,.platinum-intro-panel{padding:27px 22px}}