:root{--lime:#d8fb69;--paper:#eef1e8;--ink:#101713;--surface:#1b271e;--stroke:#3b493c}
.learn-page{--accent:var(--lime);--text:var(--paper);--muted:#adbbad;--quiet:#8fa091;--line:var(--stroke);--line-soft:#304033;--max:1440px;background:var(--ink);color:var(--paper);font-family:'DM Sans',sans-serif}
.learn-page h1,.learn-page h2,.learn-page h3,.learn-page strong,.learn-page .brand{font-family:'Space Grotesk',sans-serif}
.learn-page .eyebrow,.learn-kicker,.chapter-label{color:var(--lime)}
.learn-header{background:rgba(16,23,19,.94);border-bottom:1px solid var(--stroke);box-shadow:none}.learn-header nav a{color:#aab9ac}.learn-header nav a:hover,.learn-header .nav-current{color:var(--lime)}.learn-header .nav-cta{border-radius:100px;background:var(--lime);color:#172019;font-weight:800}.learn-header .nav-cta:hover{background:#efffac;color:#101713}
.learn-hero{position:relative;overflow:hidden;min-height:740px;padding:calc(var(--header-h) + 4rem) max(1.5rem,calc((100vw - var(--max))/2)) 0;background:radial-gradient(circle at 56% 48%,#2e3d2c,transparent 40%),#111b15;border:0}.learn-hero:before{content:'';position:absolute;inset:0;opacity:.1;pointer-events:none;background-image:linear-gradient(#bdd4ac 1px,transparent 1px),linear-gradient(90deg,#bdd4ac 1px,transparent 1px);background-size:76px 76px;mask-image:linear-gradient(to right,transparent,black)}
.learn-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr .95fr;align-items:center;gap:5vw;max-width:var(--max);margin:auto}.learn-hero-copy{padding-bottom:4rem}.learn-kicker{gap:.8rem;margin-bottom:2.2rem;font-size:.68rem;letter-spacing:.2em}.learn-kicker span{width:11px;height:11px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 6px rgba(216,251,105,.13)}.learn-hero h1{max-width:none;margin:0 0 2rem;font-size:clamp(4.2rem,7.5vw,8.5rem);line-height:.94;letter-spacing:-.085em}.learn-hero h1 em{font-style:normal;color:var(--lime)}.learn-hero p{max-width:580px;margin:0;color:#c4d0c3;font-size:clamp(1.05rem,1.4vw,1.25rem);line-height:1.65}.learn-hero .hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2.3rem}.learn-hero .button{min-height:54px;padding:1rem 1.5rem;border-radius:100px;font-size:.83rem;font-weight:800}.learn-hero .button-primary{background:var(--lime);border-color:var(--lime);color:#142017}.learn-hero .button-primary:hover{background:#efffac;border-color:#efffac}.learn-hero .button-secondary{background:rgba(255,255,255,.04);border:1px solid #748674;color:#fff}.learn-hero .button-secondary:hover{background:#2a3a2c;border-color:var(--lime);color:#fff}.learn-hero .button span{margin-left:1rem}
.hero-stats{display:flex;gap:2.5rem;margin-top:4.4rem}.hero-stats div{display:flex;flex-direction:column;gap:.2rem}.hero-stats strong{font-size:2rem;line-height:1;color:#f3f7ec;letter-spacing:-.06em}.hero-stats span{color:#91a392;font-size:.62rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.learn-hero-visual{position:relative;height:min(600px,55vw);min-height:470px;overflow:hidden;border:1px solid rgba(230,255,219,.18);border-radius:14px 14px 0 0;box-shadow:30px 35px 90px rgba(0,0,0,.3);transform:rotate(2deg)}.learn-hero-visual img{width:100%;height:100%;object-fit:cover}.hero-image-shade{position:absolute;inset:0;background:linear-gradient(180deg,transparent 65%,rgba(8,14,10,.75))}.hero-image-tag,.hero-image-index{position:absolute;color:#fff;font-size:.65rem;font-weight:800;letter-spacing:.13em}.hero-image-tag{left:1.5rem;bottom:1.5rem;padding:.75rem 1rem;border:1px solid rgba(255,255,255,.5);border-radius:100px;backdrop-filter:blur(12px)}.hero-image-tag b{padding-left:1rem;color:var(--lime)}.hero-image-index{right:1.4rem;top:1.5rem}.learn-hero-foot{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;max-width:var(--max);margin:0 auto;padding:1.3rem 0;border-top:1px solid #4a5a49;color:#a4b4a5;font-size:.62rem;font-weight:800;letter-spacing:.16em}.learn-hero-foot span:nth-child(2){font-size:1.2rem;color:var(--lime)}
.learn-quick-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#3a493c;border-bottom:1px solid #3a493c}.learn-quick-nav a{display:flex;align-items:center;gap:1rem;min-height:82px;padding:1rem max(1.2rem,3vw);background:#1b281f;color:#f0f5e8;font-size:.83rem;font-weight:800;transition:background .2s,color .2s}.learn-quick-nav a:hover{background:#2b3c2d;color:var(--lime)}.learn-quick-nav span{color:var(--lime);font-size:.68rem}
.paths-section,.library-section,.guide-section,.reference-section{width:min(calc(100% - 4rem),var(--max))}.paths-section{padding:8rem 0 9rem}.section-copy,.library-heading,.guide-heading{align-items:end;gap:7rem;margin-bottom:3.5rem}.section-copy h2,.library-heading h2,.guide-heading h2,.reference-section h2{font-size:clamp(2.8rem,4.8vw,5.8rem);line-height:1.03;letter-spacing:-.065em}.section-copy p,.library-heading p,.guide-heading p,.reference-section>div>p{max-width:410px;color:#aebdaf;font-size:1rem;line-height:1.7}
.path-grid{gap:1rem;background:none;border:0;counter-reset:path}.path-card{position:relative;overflow:hidden;border:1px solid var(--stroke);border-radius:13px;background:var(--surface);transform:none;transition:border-color .2s,transform .2s,box-shadow .2s}.path-card:hover{background:var(--surface);border-color:var(--lime);transform:translateY(-7px);box-shadow:0 22px 40px rgba(0,0,0,.2)}.path-art{position:relative;aspect-ratio:1.55}.path-art:after{content:'0' counter(path);counter-increment:path;position:absolute;bottom:.7rem;left:1.2rem;color:white;font-family:'Space Grotesk',sans-serif;font-size:4.5rem;font-weight:700;line-height:1;letter-spacing:-.09em;text-shadow:0 2px 20px #152016}.path-art img{filter:saturate(.9) contrast(1.1)}.path-body{padding:1.8rem 1.7rem 2rem}.path-body>span{color:var(--lime)}.path-body h3{font-size:clamp(1.6rem,2vw,2.2rem);letter-spacing:-.05em}.path-body p{min-height:6.5rem;color:#b7c4b7;font-size:.86rem}.path-body small{color:#95a499}
.library-section{padding:8rem 0 9rem;border-top-color:var(--stroke)}.library-layout{grid-template-columns:265px minmax(0,1fr);gap:2.5rem}.filter-panel{padding:1.5rem;border:1px solid var(--stroke);border-radius:12px;background:#1a251d}.filter-search input{height:48px;border-radius:7px;background:#101813;border-color:#465246;color:#f3f8ee}.filter-panel fieldset{border-top-color:var(--stroke)}.filter-panel label{color:#b3c0b4;font-size:.82rem}.clear-filters{border-radius:7px;color:#cbd8cb}.tutorial-grid{gap:1rem;background:none;border:0}.tutorial-card{overflow:hidden;border:1px solid var(--stroke);border-radius:11px;background:#1a251d;transition:transform .2s,border-color .2s,box-shadow .2s}.tutorial-card:hover{background:#1c2a20;border-color:var(--lime);transform:translateY(-5px);box-shadow:0 18px 35px rgba(0,0,0,.18)}.tutorial-thumb{aspect-ratio:1.6}.tutorial-thumb>img{transition:transform .4s}.tutorial-card:hover .tutorial-thumb>img{transform:scale(1.06)}.tutorial-thumb>span{top:1rem;left:1rem;padding:.45rem .65rem;border-radius:100px;background:var(--lime);color:#162117;border:0;font-size:.59rem}.tutorial-icon{background:radial-gradient(circle at 50% 45%,rgba(216,251,105,.2),transparent 35%),#243229}.tutorial-icon.danger{background:radial-gradient(circle at 50% 45%,rgba(255,114,117,.18),transparent 35%),#292220}.tutorial-icon>img{width:58px;height:58px}.tutorial-body{padding:1.4rem}.tutorial-body h3{font-size:1.24rem;letter-spacing:-.03em}.tutorial-body p{font-size:.84rem;color:#aebdaf}.tutorial-meta{color:#8f9f91;border-top-color:#354337}.tutorial-meta strong{color:var(--lime)}.sort-control select{border-radius:7px;background:#1a251d;border-color:#465246}.library-toolbar>span{color:var(--lime)}
.guide-section{padding:8rem 0;border-top-color:var(--stroke)}.guide-heading{margin-bottom:5rem}.guide-chapter{grid-template-columns:180px minmax(0,1fr);gap:3rem;padding:5rem 0;border-top-color:var(--stroke)}.guide-chapter h2{font-size:clamp(2.5rem,4.5vw,4.7rem);letter-spacing:-.06em}.guide-chapter>div>p{font-size:1rem;color:#b1c0b3}.chapter-label{letter-spacing:.15em}.chapter-note{border-left-color:var(--lime);background:#263725;color:#e3eddc}.chapter-grid,.role-reference{gap:.7rem;background:none;border:0}.chapter-grid>div,.role-reference>div{border:1px solid var(--stroke);border-radius:8px;background:#1c281f}.guide-chapter table,.guide-chapter figure{border-color:var(--stroke);background:#1c281f}.guide-chapter th{background:#263329}.guide-chapter td{color:#b5c1b5}.reference-section{padding:8rem 0;border-top:1px solid var(--stroke)}.reference-links{border-top-color:var(--stroke)}.reference-links a{border-bottom-color:var(--stroke)}.reference-links a:hover{color:var(--lime)}.learn-page footer{background:#0d140f;border-top:1px solid var(--stroke)}
.learn-page a:focus-visible,.learn-page button:focus-visible,.learn-page input:focus-visible,.learn-page select:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
@media(max-width:1100px){.learn-hero-inner{gap:2rem}.learn-hero h1{font-size:clamp(4rem,7.5vw,7rem)}.hero-stats{gap:1.4rem}.tutorial-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.path-card{display:block}.path-art{min-height:0;aspect-ratio:1.7}}
@media(max-width:860px){.learn-hero{min-height:0;padding-top:calc(var(--header-h) + 4rem)}.learn-hero-inner{grid-template-columns:1fr}.learn-hero-copy{padding-bottom:2rem}.learn-hero-visual{height:440px;min-height:0;transform:none;border-radius:12px}.learn-hero-foot{margin-top:2rem}.learn-quick-nav{grid-template-columns:repeat(2,1fr)}.section-copy,.library-heading,.guide-heading,.reference-section{grid-template-columns:1fr;gap:1.2rem}.path-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.path-body p{min-height:0}.library-layout{grid-template-columns:1fr}.filter-panel{position:static}.guide-chapter{grid-template-columns:1fr}.reference-section{gap:3rem}}
@media(max-width:620px){.learn-hero{padding:calc(var(--header-h) + 3rem) 1rem 0}.learn-hero h1{font-size:clamp(3.5rem,13vw,5rem)}.learn-hero-visual{height:320px}.hero-stats{margin-top:3rem;gap:1rem}.hero-stats strong{font-size:1.55rem}.hero-stats span{font-size:.5rem}.learn-hero-foot{font-size:.48rem}.learn-quick-nav a{min-height:65px;font-size:.72rem}.paths-section,.library-section,.guide-section,.reference-section{width:calc(100% - 2rem);padding-top:5rem;padding-bottom:5rem}.path-grid,.tutorial-grid{grid-template-columns:1fr}.section-copy h2,.library-heading h2,.guide-heading h2,.reference-section h2{font-size:clamp(2.5rem,11vw,4rem)}.path-art{aspect-ratio:1.8}.path-body p{min-height:0}.chapter-grid,.role-reference{grid-template-columns:1fr}.guide-chapter{padding:3.5rem 0}.guide-chapter table{display:block;overflow:auto}}
@media(prefers-reduced-motion:reduce){.learn-page *, .learn-page *:before, .learn-page *:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}