:root{--bg-color:#fbfbfb;--grid-color:#e5e5f7;--text-main:#09090b;--text-muted:#52525b;--primary:#c4b5fd;--accent:#fde047;--accent-blue:#93c5fd;--card-bg:#ffffff;--border-color:#09090b;--shadow-color:#09090b;--border-width:3px}@media(prefers-color-scheme:dark){:root{--bg-color:#0f172a;--grid-color:#1e293b;--text-main:#f8fafc;--text-muted:#94a3b8;--primary:#6366f1;--accent:#10b981;--accent-blue:#3b82f6;--card-bg:#1e293b;--border-color:#f8fafc;--shadow-color:#000000}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Inter',sans-serif;background-color:var(--bg-color);color:var(--text-main);line-height:1.5;overflow-x:hidden;background-image:linear-gradient(to right,var(--grid-color) 1px,transparent 1px),linear-gradient(to bottom,var(--grid-color) 1px,transparent 1px);background-size:32px 32px;background-position:center top}h1,h2,h3{font-family:'Outfit',sans-serif;text-transform:uppercase}a{text-decoration:none;color:inherit}ul{list-style:none}.mono{font-family:'JetBrains Mono',monospace}.handwriting{font-family:'Caveat',cursive}header{position:fixed;top:24px;left:50%;transform:translateX(-50%);width:90%;max-width:1000px;z-index:100;background-color:var(--card-bg);border:var(--border-width) solid var(--border-color);border-radius:12px;padding:.75rem 1.5rem;display:flex;justify-content:space-between;align-items:center;box-shadow:6px 6px 0 var(--shadow-color);transition:transform .2s ease}.logo{font-family:'Outfit',sans-serif;font-size:1.5rem;font-weight:900;letter-spacing:-1px;display:flex;align-items:center;gap:8px}.logo-box{background:var(--text-main);color:var(--bg-color);padding:2px 8px;border-radius:4px}.nav-links{display:flex;gap:2rem}.nav-links a{font-weight:600;position:relative}.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:100%;height:4px;background-color:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .3s cubic-bezier(.86,0,.07,1);z-index:-1}.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}.btn-brutal{background-color:var(--accent);color:var(--text-main);border:2px solid var(--border-color);padding:.5rem 1.25rem;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:.9rem;border-radius:6px;box-shadow:3px 3px 0 var(--shadow-color);transition:all .15s ease;cursor:pointer;text-transform:uppercase;display:inline-flex;align-items:center;justify-content:center}.btn-brutal:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--shadow-color)}.btn-brutal:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--shadow-color)}.hero{padding:160px 5% 80px;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.2fr .8fr;gap:4rem;align-items:center;min-height:80vh}.hero-text h1{font-size:clamp(3rem,7vw,5.5rem);line-height:.9;letter-spacing:-2px;margin-bottom:1.5rem}.highlighter{background:linear-gradient(180deg,transparent 60%,var(--accent) 40%);display:inline}@media(prefers-color-scheme:dark){.highlighter{background:linear-gradient(180deg,transparent 60%,var(--accent-blue) 40%);color:var(--text-main)}}.hero-text p{font-size:1.25rem;color:var(--text-muted);margin-bottom:2.5rem;max-width:500px;border-left:4px solid var(--primary);padding-left:1rem}.hero-visual{position:relative;height:400px;display:flex;justify-content:center;align-items:center}.card-stack{position:relative;width:280px;height:350px;cursor:pointer}.card-layer{position:absolute;width:100%;height:100%;border:var(--border-width) solid var(--border-color);border-radius:16px;box-shadow:6px 6px 0 var(--shadow-color);transition:transform .4s cubic-bezier(.175,.885,.32,1.275)}.layer-1{transform:rotate(-5deg) translate(-20px,10px);background-color:var(--primary)}.layer-2{transform:rotate(5deg) translate(20px,-10px);background-color:var(--accent-blue)}.layer-3{transform:rotate(0deg);z-index:3;background-color:transparent;border:none;box-shadow:none;perspective:1000px}.card-stack:hover .layer-1{transform:rotate(-10deg) translate(-30px,20px)}.card-stack:hover .layer-2{transform:rotate(10deg) translate(30px,-20px)}.card-stack:hover .layer-3{transform:translateY(-10px)}.flip-inner{position:relative;width:100%;height:100%;transition:transform .6s;transform-style:preserve-3d}#flip-toggle:checked~.layer-3 .flip-inner{transform:rotateY(180deg)}.flip-front,.flip-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;background-color:var(--card-bg);border:var(--border-width) solid var(--border-color);border-radius:16px;padding:1.5rem;display:flex;flex-direction:column;box-shadow:6px 6px 0 var(--shadow-color)}.flip-back{transform:rotateY(180deg);background-color:var(--accent);color:#09090b;justify-content:center;align-items:center;text-align:center}.tag{align-self:flex-start;font-size:.75rem;background:var(--border-color);color:var(--bg-color);padding:4px 8px;border-radius:4px;margin-bottom:auto}.flip-front h3{font-size:2rem;line-height:1.1;margin-bottom:1rem}.flip-front .mono{color:var(--text-muted);font-size:.85rem}.flip-back h3{font-size:1.5rem;margin-bottom:1rem;color:#09090b}.flip-back p{font-size:1rem;font-weight:600;color:#09090b}.daily-desk{padding:2rem 5% 4rem;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.widget{border:var(--border-width) solid var(--border-color);border-radius:12px;padding:1.5rem;box-shadow:6px 6px 0 var(--shadow-color);position:relative;overflow:hidden}.widget-terminal{background-color:#09090b;color:#4ade80;font-family:'JetBrains Mono',monospace}.widget-terminal h3{color:#f8fafc;font-size:1.2rem;margin-bottom:1rem;border-bottom:1px solid #334155;padding-bottom:.5rem;text-transform:none}.terminal-row{display:flex;justify-content:space-between;margin-bottom:.5rem;font-size:.9rem}.countdown-highlight{color:#fcd34d;font-weight:700;font-size:1.5rem}.widget-sticky{background-color:#fef08a;color:#09090b;transform:rotate(2deg);border-radius:0 0 20px 0}.widget-sticky::before{content:'';position:absolute;top:-10px;left:50%;transform:translateX(-50%);width:60px;height:25px;background-color:rgba(255,255,255,.6);border:1px solid rgba(0,0,0,.1);box-shadow:0 1px 3px rgba(0,0,0,.1);z-index:2}.sticky-header{font-weight:900;text-transform:uppercase;margin-bottom:.5rem;font-size:.85rem;border-bottom:2px dashed #09090b;padding-bottom:.25rem}.sticky-content{font-family:'Caveat',cursive;font-size:1.4rem;line-height:1.3}.tools-section{padding:4rem 5% 4rem;max-width:1200px;margin:0 auto}.section-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:3rem;border-bottom:var(--border-width) solid var(--border-color);padding-bottom:1rem}.section-header h2{font-size:2.5rem}.section-header .mono{color:var(--text-muted)}.bento-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;grid-auto-rows:minmax(250px,auto)}.bento-card{background:var(--card-bg);color:var(--text-main);border:var(--border-width) solid var(--border-color);border-radius:16px;padding:2rem;position:relative;display:flex;flex-direction:column;box-shadow:6px 6px 0 var(--shadow-color);transition:all .2s ease-in-out;overflow:hidden}.bento-card:hover:not(.disabled){transform:translate(-4px,-4px);box-shadow:10px 10px 0 var(--shadow-color)}.card-feature{grid-column:1 / -1;background-color:var(--primary);color:#09090b}@media(min-width:900px){.bento-grid{grid-template-columns:repeat(3,1fr)}.card-feature{grid-column:span 2}}@media(prefers-color-scheme:dark){.card-feature{color:#ffffff}}.bento-card .icon-box{width:48px;height:48px;background:var(--text-main);color:var(--bg-color);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:1.5rem;border:2px solid var(--border-color)}.card-feature .icon-box{background:var(--card-bg);color:var(--text-main)}.bento-card h3{font-size:1.8rem;margin-bottom:.5rem}.bento-card p{flex-grow:1;font-size:1rem;opacity:.9}.play-btn{align-self:flex-start;margin-top:1.5rem;background:var(--bg-color);color:var(--text-main);padding:.5rem 1rem;border-radius:99px;border:2px solid var(--text-main);font-weight:700;display:flex;align-items:center;gap:8px;transition:gap .2s}.bento-card:hover .play-btn{gap:12px}.disabled{background:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(0,0,0,.03) 10px,rgba(0,0,0,.03) 20px);background-color:var(--card-bg);cursor:not-allowed;border-style:dashed}@media(prefers-color-scheme:dark){.disabled{background:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(255,255,255,.03) 10px,rgba(255,255,255,.03) 20px);background-color:var(--card-bg)}}.status-badge{position:absolute;top:1.5rem;right:1.5rem;background:var(--border-color);color:var(--bg-color);font-family:'JetBrains Mono',monospace;font-size:.7rem;padding:4px 8px;border-radius:4px;text-transform:uppercase}footer{padding:0 5% 4rem;max-width:1200px;margin:0 auto}.notebook-wrapper{background-color:#fffaed;background-image:linear-gradient(90deg,transparent 69px,#ef4444 69px,#ef4444 71px,transparent 71px),linear-gradient(#cbd5e1 1px,transparent 1px);background-size:100% 2rem;line-height:2rem;padding:3rem 2rem 3rem 90px;position:relative;border:var(--border-width) solid #09090b;border-radius:4px 16px 16px 4px;box-shadow:8px 8px 0 rgba(0,0,0,.9);color:#0f172a}@media(prefers-color-scheme:dark){.notebook-wrapper{border-color:#f8fafc;box-shadow:8px 8px 0 #000}}.notebook-wrapper::before{content:'';position:absolute;top:0;left:0;bottom:0;width:40px;background:repeating-linear-gradient(0deg,#09090b,#09090b 10px,transparent 10px,transparent 40px);border-right:var(--border-width) solid #09090b;opacity:.1}.notebook-header{font-family:'Outfit',sans-serif;font-size:2rem;margin-bottom:1rem;color:#09090b;text-transform:uppercase;background-color:#fffaed;display:inline-block;padding:0 10px}.syllabus-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0 2rem}.syllabus-list li{font-family:'Caveat',cursive;font-size:1.8rem;color:#1e3a8a;position:relative;padding-left:1.5rem}.syllabus-list li::before{content:'-';position:absolute;left:0;color:#ef4444}.syllabus-list a{transition:color .2s}.syllabus-list a:hover{color:#ef4444;text-decoration:underline;text-decoration-style:wavy}.footer-bottom{margin-top:3rem;display:flex;justify-content:space-between;align-items:center;font-family:'JetBrains Mono',monospace;font-size:.85rem;color:#64748b;background-color:#fffaed;padding:0 10px}@media(max-width:900px){.hero{grid-template-columns:1fr;text-align:center;padding-top:120px;gap:2rem}.hero-text p{margin:0 auto 2.5rem;border-left:none;border-bottom:4px solid var(--primary);padding-left:0;padding-bottom:1rem}.nav-links{display:none}.notebook-wrapper{padding:2rem 1rem 2rem 60px;background-image:linear-gradient(90deg,transparent 39px,#ef4444 39px,#ef4444 41px,transparent 41px),linear-gradient(#cbd5e1 1px,transparent 1px)}.notebook-wrapper::before{width:20px}}