@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap');
:root{--bg:#0a1024;--panel:#111a33;--panel2:#17223e;--ink:#f5f6fc;--muted:#b5bdd2;--line:#2c3652;--acid:#fff000;--blue:#7e9aff;--light:#edf1fa;--dark:#131c32;--font:'Noto Sans KR',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.85;word-break:keep-all}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:5px}img{display:block;max-width:100%;height:auto}p{margin:0 0 1.2rem}h1,h2,h3{line-height:1.35;letter-spacing:-.045em;margin:0}h2{font-size:clamp(2rem,3.7vw,3.4rem);font-weight:800}h3{font-size:1.4rem}small{font-size:.8rem;color:var(--muted)}em{color:var(--acid);font-style:normal}.shell{width:min(1240px,calc(100% - 96px));margin:auto}.section{padding-top:110px;padding-bottom:110px;scroll-margin-top:0}.section-heading{margin-bottom:45px;max-width:760px}.section-heading>p:last-child{max-width:680px;color:var(--muted);margin-top:24px;font-size:1.075rem}.eyebrow{color:var(--acid);font-size:.8rem;font-weight:700;letter-spacing:.13em;margin-bottom:22px}.topbar{height:84px;padding:0 48px;display:flex;align-items:center;justify-content:space-between;background:rgba(10,16,36,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:12px;font-weight:800;line-height:1.45;letter-spacing:-.03em}.brand small{display:block;font-size:.7rem;letter-spacing:.05em;font-weight:400}.brand-q{font-family:Arial,sans-serif;color:var(--acid);font-size:2.8rem;line-height:1;font-weight:900}.topbar nav{display:flex;align-items:center;gap:30px;font-size:.9rem}.topbar nav a:hover{color:var(--acid)}.nav-cta{border:1px solid #646851;border-radius:5px;padding:8px 17px}.menu-toggle{display:none}.reading-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--acid);z-index:80}.skip{position:fixed;left:20px;top:-80px;z-index:100;background:var(--acid);color:var(--bg);padding:12px}.skip:focus{top:10px}.hero{padding-top:78px;padding-bottom:75px;display:grid;grid-template-columns:1.3fr 1fr;gap:65px;align-items:center;min-height:730px}.hero h1{font-size:clamp(2.6rem,4.6vw,4.4rem);font-weight:900;line-height:1.28;letter-spacing:-.06em}.hero-sub{font-weight:600;font-size:1.08rem;margin-top:26px}.hero-text{color:var(--muted);font-size:1rem;margin-top:24px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:13px 21px;min-height:50px;border:1px solid transparent;font-weight:700;font-size:.9rem;border-radius:5px;transition:transform .2s,background 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#27335716,0 0 0 70px #2733570c;background:radial-gradient(ellipse,#27458460,transparent 69%)}.ticker{display:flex;justify-content:space-evenly;gap:30px;padding:20px 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:#a8b4d1;font:600 .8rem Arial,sans-serif;letter-spacing:.2em;overflow:hidden}.question-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.question-grid article{border-top:2px solid var(--line);padding-top:24px}.index{font:400 2.3rem Arial,sans-serif;color:var(--blue);display:block;margin-bottom:20px}.question-grid h3{margin-bottom:18px}.question-grid p{color:var(--muted)}.stake-note{display:grid;grid-template-columns:1fr 2fr;gap:50px;align-items:center;padding:40px 0 0;margin-top:45px;border-top:1px solid var(--line)}.big-word{font:bold clamp(2.5rem,5vw,4.5rem) Arial,sans-serif;letter-spacing:-.04em}.big-word span{display:block;font:400 1rem var(--font);color:var(--muted);letter-spacing:0}.stake-note h3{font-size:1.2rem;margin-bottom:14px}.stake-note p:not(.big-word){color:var(--muted);margin-bottom:10px}.video-section{background:#101a34}.video-grid{display:grid;grid-template-columns:2.5fr 1fr;gap:35px;align-items:start}.video-frame{aspect-ratio:16/9;position:relative;background:#030712;border:1px solid var(--line);overflow:hidden}.video-frame iframe{width:100%;height:100%;border:0;display:block}.video-cover{padding:0;border:0;width:100%;height:100%;position:relative;display:block;background:#000;color:white}.video-cover img{width:100%;height:100%;object-fit:cover;opacity:.83}.play-circle{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--acid);color:#091025;border-radius:50%;width:62px;height:62px;display:grid;place-content:center;font-size:24px;padding-left:3px;box-shadow:0 4px 25px #0005}.video-cover:hover .play-circle{background:white}.video-meta{display:flex;justify-content:space-between;gap:20px;margin:21px 0}.video-meta h3{font-size:1.15rem}.video-meta span{font-size:.8rem;color:var(--muted);white-space:nowrap}.video-chapters{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:24px 0}.video-chapters button{background:#192540;border:1px solid #344160;color:var(--ink);text-align:left;padding:12px;font-size:.8rem;border-radius:4px}.video-chapters button span{color:var(--acid);display:block;font-family:Arial,sans-serif}.video-chapters button:hover{border-color:var(--acid)}.text-link{text-decoration:underline;text-underline-offset:5px;font-size:.85rem}.short-card{border-left:1px solid #3d4863;padding-left:30px}.short-card .eyebrow{margin-bottom:8px}.short-card h3{font-size:1.55rem;margin-bottom:20px}.short-frame{aspect-ratio:9/16;max-width:215px;margin-bottom:16px}.source-note{font-size:.8rem;color:var(--muted);line-height:1.8;margin-top:26px}.filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:30px}.filter-row button{border:1px solid #44516e;background:transparent;color:var(--muted);border-radius:30px;padding:10px 19px;font-size:.9rem;min-height:44px}.filter-row button[aria-pressed=true]{background:var(--acid);border-color:var(--acid);color:var(--bg);font-weight:700}.chapter-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:25px 0 12px;font-size:.85rem;color:var(--muted)}.text-button{background:none;border:0;color:var(--acid);text-decoration:underline;text-underline-offset:4px;font-size:.85rem;padding:8px}.part-caption{padding:20px 0;color:var(--muted);max-width:900px}.part-caption h3{color:var(--ink);margin-bottom:12px}.chapter{border-top:1px solid var(--line)}.chapter:last-child{border-bottom:1px solid var(--line)}.chapter summary{display:grid;grid-template-columns:64px 1fr auto 24px;align-items:center;gap:18px;padding:25px 4px;cursor:pointer;list-style:none}.chapter summary::-webkit-details-marker{display:none}.chapter-num{font:400 1.6rem 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p{color:#3d4961;margin:0}.tech-question{grid-column:1/-1;background:#dfe7f6;padding:22px}.concept-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;margin-top:50px}.concept-grid .eyebrow{margin-bottom:12px}.concept-grid h3{margin-bottom:20px}.concept-grid p{color:#505e75}.company-layout{display:grid;grid-template-columns:320px 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.company-list{display:grid;align-content:start;border-right:1px solid var(--line);padding:12px 0}.company-list button{display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;background:transparent;border:0;color:var(--muted);padding:15px 20px;font-weight:600;font-size:.95rem}.company-list button small{font:400 .7rem Arial;color:inherit}.company-list button[aria-pressed=true]{color:var(--acid);background:#182440;border-left:3px solid var(--acid);padding-left:17px}.company-detail{padding:40px 45px;background:linear-gradient(135deg,#14213e,transparent)}.company-detail h3{font-size:2.3rem;margin-bottom:8px}.company-detail .en{color:var(--blue);font-size:.9rem;margin-bottom:25px}.company-thesis{font-size:1.25rem;font-weight:600;line-height:1.6}.company-fields{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:30px}.company-fields h4{font-size:.85rem;color:var(--blue);margin:0 0 10px}.company-fields p{color:var(--muted)}.company-question{border-top:1px solid var(--line);padding-top:22px}.company-question span{color:var(--acid);font-size:.8rem}.company-question p{margin:8px 0 0}.ecosystem-section{background:#152241}.ecosystem-flow{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #425071}.ecosystem-flow article{padding:28px 25px;border-right:1px solid #425071}.ecosystem-flow article:last-child{border:0}.ecosystem-flow span{font:600 .72rem Arial;color:var(--acid);letter-spacing:.07em}.ecosystem-flow h3{font-size:1.15rem;margin:18px 0}.ecosystem-flow p{font-size:.95rem;color:#c0cbe0;margin:0}.split-note{display:grid;grid-template-columns:1fr 2fr;gap:55px;margin-top:48px}.split-note h3{font-size:1.7rem}.split-note p{color:#c0cbe0}.hybrid{display:flex;gap:45px;padding:25px 30px;background:#223352;margin-top:20px}.hybrid b{white-space:nowrap;color:var(--acid)}.hybrid p{margin:0;color:#d2d8e6;font-size:.95rem}.matrix-layout{display:grid;grid-template-columns:1fr 1.7fr;gap:28px}.matrix-tabs{display:grid;gap:10px;align-content:start}.matrix-tabs button{display:flex;align-items:center;gap:20px;padding:23px 25px;background:var(--panel);color:var(--muted);border:1px solid var(--line);text-align:left;border-radius:5px}.matrix-tabs button b{font:400 1.7rem Arial;color:var(--blue)}.matrix-tabs button[aria-pressed=true]{border-color:var(--acid);color:var(--ink);background:#1d2945}.matrix-tabs button[aria-pressed=true] b{color:var(--acid)}.matrix-detail{background:var(--panel);padding:32px 35px;border:1px solid var(--line);border-radius:5px}.matrix-detail h3{font-size:1.6rem;margin-bottom:16px}.matrix-detail>p{color:var(--muted)}.check-item{display:flex;align-items:flex-start;gap:15px;border-top:1px solid var(--line);padding:20px 0;cursor:pointer}.check-item input{accent-color:var(--acid);width:19px;height:19px;margin-top:6px;flex-shrink:0}.matrix-progress{display:flex;justify-content:space-between;gap:30px;align-items:center;background:#18253e;padding:20px 28px;margin-top:24px}.matrix-progress strong{color:var(--acid)}.matrix-progress p{font-size:.8rem;color:var(--muted);margin:5px 0 0}.portfolio-intro{margin-top:60px;max-width:800px}.portfolio-intro h3{font-size:1.7rem;margin-bottom:15px}.portfolio-intro p{color:var(--muted)}.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:30px}.portfolio-grid article{border-top:2px solid #6b7fa5;padding-top:24px}.portfolio-grid span{font:600 .75rem Arial;color:var(--blue);letter-spacing:.08em}.portfolio-grid h3{margin:15px 0}.portfolio-grid p{color:var(--muted)}.portfolio-grid small{display:block;color:#d7dfef}.reading-detail{padding:35px 40px;background:#fff;border:1px solid #c1cbdf;border-left:5px solid #1b3060}.reading-detail h3{font-size:1.65rem;margin-bottom:14px}.reading-detail>p{color:#505f78}.path-steps{display:flex;align-items:stretch;gap:12px;margin-top:30px;flex-wrap:wrap}.path-steps a{background:#e9eef8;padding:15px 20px;min-width:150px;border:1px solid #d3dced;flex:1}.path-steps a:hover{border-color:#315da5}.path-steps span{display:block;font-size:.75rem;color:#536782}.path-steps b{font-size:.95rem}.search-label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:10px}input[type=search]{width:100%;max-width:580px;padding:15px 20px;border:1px solid #54617e;border-radius:5px;background:#141e35;color:var(--ink);font-size:1rem}.glossary-list{display:grid;grid-template-columns:1fr 1fr;gap:0 35px}.glossary-list details{border-top:1px solid var(--line);padding:18px 0}.glossary-list summary{cursor:pointer;font-size:1.05rem;font-weight:600}.glossary-list summary span{font-size:.8rem;font-weight:400;color:var(--muted);margin-left:12px}.glossary-list details p{font-size:.95rem;color:var(--muted);margin:17px 0 5px;padding-left:17px}.quiz-section{background:#111c36}.quiz-panel{max-width:900px}.quiz-meta{display:flex;justify-content:space-between;font-size:.85rem;color:var(--blue);margin-bottom:20px}.quiz-panel h3{font-size:1.7rem;margin-bottom:28px}.quiz-answers{display:grid;gap:12px}.quiz-answers button{border:1px solid #536180;background:#192743;color:var(--ink);padding:18px 23px;text-align:left;border-radius:5px;font-size:1rem}.quiz-answers button:hover:not(:disabled){border-color:var(--acid)}.quiz-answers button.correct{border-color:var(--acid);color:var(--acid)}.quiz-answers button.incorrect{border-color:#e39daa;color:#edb6c2}.quiz-answers button:disabled{cursor:default;opacity:.8}.quiz-feedback{border-left:3px solid var(--acid);padding:20px 24px;background:#22324d;margin-top:25px}.quiz-feedback p{margin:8px 0 0;color:#c4cee2}.quiz-next{margin-top:24px}.book-info-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:100px;align-items:start}.book-info-layout>img{max-width:300px;box-shadow:15px 18px 0 #020717;margin:0 auto}.book-subtitle{font-size:1.2rem;font-weight:500;margin:20px 0}.book-info-layout p:not(.eyebrow){color:var(--muted)}.book-meta{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);margin:25px 0 30px;padding-top:15px}.book-meta div{display:flex;gap:18px;padding:7px 0;font-size:.88rem}.book-meta dt{color:#8fa1c1;min-width:55px}.book-meta dd{margin:0}.author-note{border-top:1px solid var(--line);margin-top:32px;padding-top:24px}.author-note h3{font-size:1.1rem;margin-bottom:10px}.author-note p{font-size:.9rem}.footer-inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:55px 0;border-top:1px solid var(--line)}.footer-inner .brand{margin-bottom:20px}.footer-inner 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