.sds-page{--ink:#0d0d0d;--ink-soft:#25221f;--burgundy:#5c1414;--gold:#9c7a32;--paper:#f2efe6;--paper-strong:#fbf9f3;--red:#a8283c;--muted:#666058;--line:#0d0d0d2e;--line-strong:#0d0d0d6b;--canvas:#e7e1d4;--white:#fff;--success:#3e6d54;--warning:#8b5f24;--shadow:0 28px 80px #19120b29;--shadow-small:0 12px 30px #19120b1f;--heading:var(--font-fraunces), "Iowan Old Style", "Baskerville", Georgia, serif;--body:var(--font-archivo), Inter, Arial, sans-serif;--max:1220px;--nav-h:72px}.sds-page[data-theme=dark]{--ink:#f2efe6;--ink-soft:#e4ded1;--paper:#181512;--paper-strong:#201b17;--muted:#b8b0a4;--line:#f2efe629;--line-strong:#f2efe65c;--canvas:#0f0d0c;--shadow:0 28px 80px #0006;--shadow-small:0 12px 30px #0000004d}.sds-page,.sds-page *,.sds-page :before,.sds-page :after{box-sizing:border-box}html:has(.sds-page){scroll-behavior:smooth;scroll-padding-top:96px}.sds-page{color:var(--ink);background:radial-gradient(circle at 12% 12%, #9c7a321f 0 1px, transparent 1.25px) 0 0 / 28px 28px, linear-gradient(180deg, var(--canvas), var(--canvas));font-family:var(--body);text-rendering:optimizelegibility;margin:0;font-size:16px;line-height:1.65;overflow-x:clip}body.sds-nav-open{overflow:hidden}.sds-page input{font:inherit}.sds-page button,.sds-page a{-webkit-tap-highlight-color:transparent}.sds-page img{max-width:100%;display:block}.sds-page ::selection{background:var(--gold);color:#0d0d0d}.sds-skip-link{z-index:9999;background:var(--paper-strong);color:var(--ink);border:2px solid var(--ink);padding:10px 14px;font-weight:800;text-decoration:none;position:fixed;top:12px;left:16px;transform:translateY(-160%)}.sds-skip-link:focus{transform:translateY(0)}.sds-progress{z-index:1200;background:linear-gradient(90deg, var(--gold), var(--red));width:0;height:3px;transition:width 80ms linear;position:fixed;top:0;left:0}.sds-topbar{height:var(--nav-h);z-index:1000;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#0d0d0df5;border-bottom:1px solid #f2efe624;align-items:center;gap:12px;padding:0 clamp(18px,4vw,54px);display:flex;position:sticky;top:0}.sds-brand{min-width:220px;color:var(--paper);align-items:center;gap:14px;text-decoration:none;display:inline-flex}.sds-brand img{width:142px;height:auto}.sds-brand-divider{background:#f2efe647;width:1px;height:30px}.sds-brand-label{letter-spacing:.16em;text-transform:uppercase;white-space:nowrap;color:#f2efe6b8;font-size:.69rem}.sds-nav{align-items:center;gap:4px;margin-left:auto;display:flex}.sds-nav a,.sds-nav button{color:#f2efe6c2;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;background:0 0;border:0;border-radius:999px;padding:10px 12px;font-size:.78rem;font-weight:700;text-decoration:none}.sds-nav a:hover,.sds-nav a:focus-visible,.sds-nav button:hover,.sds-nav button:focus-visible{color:#fff;background:#f2efe617;outline:none}.sds-nav-cta{background:var(--red);color:#fff;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;border:0;justify-content:center;align-items:center;padding:10px 16px;font-size:.78rem;font-weight:700;text-decoration:none;transition:box-shadow .18s,transform .18s,background .18s;display:inline-flex}.sds-nav-cta:hover,.sds-nav-cta:focus-visible{box-shadow:6px 6px 0 var(--gold);background:#c2344b;outline:none;transform:translateY(-2px)}.sds-theme-toggle{place-items:center;width:42px;height:42px;display:inline-grid;padding:0!important}.sds-theme-toggle svg{width:18px;height:18px}.sds-nav-toggle{color:#fff;cursor:pointer;background:0 0;border:1px solid #f2efe647;border-radius:999px;justify-content:center;align-items:center;width:42px;height:42px;display:none}.sds-nav-toggle-lines{width:18px;height:13px;position:relative}.sds-nav-toggle-lines i{background:currentColor;width:100%;height:1px;transition:transform .22s,opacity .22s,top .22s;position:absolute;left:0}.sds-nav-toggle-lines i:first-child{top:0}.sds-nav-toggle-lines i:nth-child(2){top:6px}.sds-nav-toggle-lines i:nth-child(3){top:12px}body.sds-nav-open .sds-nav-toggle-lines i:first-child{top:6px;transform:rotate(45deg)}body.sds-nav-open .sds-nav-toggle-lines i:nth-child(2){opacity:0}body.sds-nav-open .sds-nav-toggle-lines i:nth-child(3){top:6px;transform:rotate(-45deg)}.sds-paper{background:linear-gradient(#ffffff08, #ffffff08), var(--paper);border:1px solid var(--line-strong);width:min(100% - 28px,1440px);box-shadow:var(--shadow);margin:24px auto 0;position:relative;overflow:clip}.sds-paper:before,.sds-paper:after{content:"";pointer-events:none;z-index:3;position:absolute}.sds-paper:before{opacity:.13;background-image:linear-gradient(90deg,#0000 49.7%,#0d0d0d21 50%,#0000 50.3%),linear-gradient(#0000 49.7%,#0d0d0d1a 50%,#0000 50.3%);background-size:46px 46px;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 28%);mask-image:linear-gradient(#000,#0000 28%)}.sds-paper:after{border:1px solid var(--line);inset:10px}.sds-section-shell{width:min(calc(100% - 48px), var(--max));z-index:5;margin-inline:auto;position:relative}.sds-hero{min-height:min(820px, calc(100vh - var(--nav-h) - 30px));align-items:center;padding:clamp(54px,8vw,104px) 0 80px;display:grid;position:relative}.sds-hero-grid{grid-template-columns:minmax(0,1.15fr) minmax(310px,.85fr);align-items:center;gap:clamp(38px,7vw,100px);display:grid}.sds-hero-copy{position:relative}.sds-eyebrow,.sds-section-kicker{color:var(--red);letter-spacing:.18em;text-transform:uppercase;align-items:center;gap:10px;font-size:.72rem;font-weight:800;display:inline-flex}.sds-eyebrow:before,.sds-section-kicker:before{content:"";width:42px;height:3px;box-shadow:0 6px 0 var(--gold);background:currentColor}.sds-hero h1{font-family:var(--heading);letter-spacing:-.045em;text-transform:uppercase;max-width:880px;margin:22px 0 14px;font-size:clamp(3.5rem,7.9vw,8.4rem);line-height:.82}.sds-hero h1 span{display:block}.sds-hero-subtitle{color:var(--gold);font-family:var(--heading);margin:0 0 22px;font-size:clamp(1.35rem,2.3vw,2rem);font-style:italic;font-weight:700}.sds-hero-lead{max-width:720px;color:var(--muted);font-size:clamp(1rem,1.4vw,1.16rem);line-height:1.75}.sds-hero-actions{flex-wrap:wrap;gap:12px;margin-top:30px;display:flex}.sds-btn{appearance:none;border:2px solid var(--ink);background:var(--ink);color:var(--paper);letter-spacing:.02em;cursor:pointer;justify-content:center;align-items:center;gap:9px;min-height:50px;padding:12px 18px;font-weight:800;text-decoration:none;transition:transform .18s,box-shadow .18s,background .18s,color .18s;display:inline-flex}.sds-btn[hidden]{display:none}.sds-btn:hover,.sds-btn:focus-visible{box-shadow:6px 6px 0 var(--gold);outline:none;transform:translateY(-2px)}.sds-btn-primary{background:var(--red);border-color:var(--red);color:#fff}.sds-btn-secondary{color:var(--ink);background:0 0}.sds-btn-light{background:var(--paper);border-color:var(--paper);color:#0d0d0d}.sds-btn-ghost-light{color:var(--paper);background:0 0;border-color:#f2efe6a6}.sds-hero-proof{border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);grid-template-columns:repeat(4,minmax(0,1fr));margin-top:38px;display:grid}.sds-proof-item{padding:14px 14px 14px 0}.sds-proof-item+.sds-proof-item{border-left:1px solid var(--line);padding-left:16px}.sds-proof-item strong{font-family:var(--heading);font-size:1.2rem;line-height:1.2;display:block}.sds-proof-item span{color:var(--muted);font-size:.76rem}.sds-hero-visual{place-items:center;min-height:560px;display:grid;position:relative}.sds-book-scene{aspect-ratio:620/930;perspective:1200px;width:min(100%,410px);position:relative}.sds-book-mockup{object-fit:contain;filter:drop-shadow(18px 24px 32px #00000038);width:100%;height:100%;transition:transform .3s;display:block;transform:rotateY(-14deg)rotateX(2deg)rotate(1deg)}.sds-book-scene:hover .sds-book-mockup{transform:rotateY(-8deg)rotateX(1deg)rotate(0)translateY(-5px)}.sds-stamp{z-index:8;color:var(--red);letter-spacing:.14em;text-transform:uppercase;opacity:.9;background:color-mix(in srgb, var(--paper) 90%, transparent);border:3px double;padding:8px 14px;font-size:.72rem;font-weight:900;position:absolute;top:7%;right:1%;transform:rotate(7deg)}.sds-section{border-top:1px solid var(--line-strong);padding:clamp(74px,9vw,118px) 0;position:relative}.sds-section-head{margin-bottom:46px}.sds-section-title{font-family:var(--heading);letter-spacing:-.035em;margin:14px 0 16px;font-size:clamp(2.35rem,5vw,5.25rem);line-height:.96}.sds-section-intro{max-width:760px;color:var(--muted);font-size:1.06rem}.sds-stat-board{border:1px solid var(--line-strong);background:var(--paper-strong);grid-template-columns:.8fr 1.2fr;gap:0;margin-top:44px;display:grid}.sds-stat-primary{background:var(--ink);color:var(--paper);padding:clamp(30px,5vw,60px);position:relative;overflow:hidden}.sds-stat-primary:after{content:"PRÉVENTION";letter-spacing:-.04em;opacity:.05;transform-origin:100% 100%;font-size:4rem;font-weight:900;position:absolute;bottom:10px;right:-34px;transform:rotate(-90deg)translate(40%)}.sds-stat-number{font-family:var(--heading);color:var(--gold);font-size:clamp(5rem,10vw,9rem);line-height:.8}.sds-stat-primary p{max-width:360px;margin:22px 0 0;font-weight:600}.sds-stat-details{align-content:center;gap:22px;padding:clamp(30px,5vw,60px);display:grid}.sds-stat-row{border-bottom:1px solid var(--line);grid-template-columns:150px 1fr;align-items:baseline;gap:20px;padding-bottom:20px;display:grid}.sds-stat-row:last-child{border-bottom:0;padding-bottom:0}.sds-stat-row strong{font-family:var(--heading);font-size:2rem}.sds-stat-row p{color:var(--muted);margin:0}.sds-source-link{color:var(--red);letter-spacing:.06em;text-transform:uppercase;text-underline-offset:3px;align-items:center;gap:6px;font-size:.75rem;font-weight:800;display:inline-flex}.sds-paradox-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:34px;display:grid}.sds-paradox-card{border:1px solid var(--line-strong);background:var(--paper-strong);padding:clamp(26px,4vw,42px);position:relative}.sds-paradox-card.sds-dark{background:var(--burgundy);color:#f2efe6;border-color:var(--burgundy)}.sds-paradox-card h3{font-family:var(--heading);margin:0 0 14px;font-size:1.8rem;line-height:1.05}.sds-paradox-card p{color:var(--muted);margin:0}.sds-paradox-card.sds-dark p{color:#f2efe6c2}.sds-question-board{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.sds-question-card{border:1px solid var(--line-strong);background:var(--paper-strong);flex-direction:column;justify-content:space-between;padding:28px;transition:transform .18s,box-shadow .18s;display:flex}.sds-question-card:hover{box-shadow:var(--shadow-small);transform:translateY(-4px)}.sds-question-card .sds-num{color:var(--red);letter-spacing:.18em;font-size:.7rem;font-weight:900}.sds-question-card h3{font-family:var(--heading);margin:28px 0 12px;font-size:clamp(1.55rem,2.5vw,2.45rem);line-height:1.03}.sds-question-card p{color:var(--muted);margin:0}.sds-question-card--toc{cursor:default}.sds-question-card--toc summary{cursor:pointer;flex-direction:column;gap:16px;padding-right:40px;list-style:none;display:flex;position:relative}.sds-question-card--toc summary::-webkit-details-marker{display:none}.sds-question-card--toc summary h3{margin:0}.sds-question-card--toc summary .sds-toc-plus{position:absolute;top:0;right:0}.sds-question-card-content{border-top:1px solid var(--line);margin-top:20px;padding-top:16px}.sds-question-card-content ol{margin:0;padding-left:20px}.sds-question-card-content li{color:var(--muted);padding:6px 0}.sds-question-card-content p{color:var(--muted);margin:0}.sds-toc-sub{color:var(--muted);opacity:.8;margin-top:2px;font-size:.85em;font-style:italic;display:block}.sds-question-card--span2{grid-column:span 2}.sds-question-card--span2 .sds-question-card-content ol{column-count:2;column-gap:32px}.sds-question-card--span2 .sds-question-card-content li{break-inside:avoid}.sds-question-card--toc.sds-is-closing .sds-toc-plus:after,.sds-faq details.sds-is-closing .sds-toc-plus:after{transform:translate(-50%,-50%)rotate(90deg)}.sds-board-cta{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:32px;display:flex}.sds-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}.sds-lies{color:#f2efe6;background:#0d0d0d;border-top:1px solid #0d0d0d}.sds-lies .sds-section-title{color:#f2efe6}.sds-lies .sds-section-intro{color:#f2efe6a8}.sds-lies-marquee{flex-direction:column;gap:14px;margin:0 0 60px;display:flex;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 6% 94%,#0000);mask-image:linear-gradient(90deg,#0000,#000 6% 94%,#0000)}.sds-lies-track{flex-wrap:nowrap;gap:14px;width:max-content;animation:55s linear infinite sds-lies-scroll;display:flex}.sds-lies-track--slow{animation-duration:55s}.sds-lies-track--reverse{animation-name:sds-lies-scroll-reverse}.sds-lies-marquee:hover .sds-lies-track{animation-play-state:paused}.sds-lie{font-family:var(--heading);color:#f2efe6e0;white-space:nowrap;border:1px solid #f2efe638;flex:none;padding:10px 18px;font-size:clamp(1rem,1.7vw,1.4rem);font-weight:600;line-height:1.2}.sds-lie:nth-child(3n+1){color:#e8919e;border-color:#a8283c8c}@keyframes sds-lies-scroll{0%{transform:translate(0)}to{transform:translate(-50%)}}@keyframes sds-lies-scroll-reverse{0%{transform:translate(-50%)}to{transform:translate(0)}}.sds-lies-punch{max-width:920px;font-family:var(--heading);letter-spacing:-.03em;color:#f2efe6;margin:0;font-size:clamp(2.3rem,5.6vw,4.6rem);font-weight:900;line-height:1.02}.sds-lies-verse{max-width:560px;font-family:var(--heading);color:#e3c66f;border-top:1px solid #f2efe638;margin:36px 0 0;padding-top:28px;font-size:clamp(1.1rem,2vw,1.35rem);font-style:italic;font-weight:600;line-height:1.65}.sds-definition-quote{background:var(--ink);color:var(--paper);margin:0 0 28px;padding:clamp(30px,5vw,56px);position:relative}.sds-definition-quote:before{content:"1948";font-family:var(--heading);opacity:.08;font-size:clamp(3rem,8vw,7rem);position:absolute;top:18px;right:28px}.sds-definition-quote blockquote{max-width:900px;font-family:var(--heading);margin:0;font-size:clamp(1.8rem,4vw,3.8rem);line-height:1.05}.sds-definition-quote p{color:#f2efe6b8;margin:22px 0 0}.sds-definition-grid{border:1px solid var(--line-strong);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.sds-definition-card{background:var(--paper-strong);min-height:230px;padding:28px}.sds-definition-card:nth-child(odd){border-right:1px solid var(--line)}.sds-definition-card:nth-child(-n+2){border-bottom:1px solid var(--line)}.sds-definition-card .sds-label{color:var(--red);letter-spacing:.12em;text-transform:uppercase;font-size:.68rem;font-weight:900}.sds-definition-card h3{font-family:var(--heading);margin:15px 0 10px;font-size:1.65rem}.sds-definition-card p{color:var(--muted);margin:0}.sds-terrain-stage{grid-template-columns:1fr 80px 1fr;align-items:stretch;display:grid}.sds-terrain-panel{border:1px solid var(--line-strong);background:var(--paper-strong);padding:clamp(28px,5vw,54px)}.sds-terrain-panel.sds-agent{border-right:0}.sds-terrain-panel.sds-terrain{background:var(--burgundy);color:#f2efe6;border-left:0}.sds-terrain-bridge{background:var(--gold);color:#0d0d0d;font-family:var(--heading);place-items:center;font-size:2.8rem;font-weight:900;display:grid}.sds-terrain-panel h3{font-family:var(--heading);margin:0 0 8px;font-size:2.2rem}.sds-terrain-panel .sds-historical{color:var(--red);text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:800}.sds-terrain-panel.sds-terrain .sds-historical{color:#e1c46f}.sds-terrain-panel p{color:var(--muted)}.sds-terrain-panel.sds-terrain p{color:#f2efe6c2}.sds-terrain-panel ul{margin:20px 0 0;padding:0;list-style:none}.sds-terrain-panel li{border-top:1px solid var(--line);padding:10px 0 10px 24px;position:relative}.sds-terrain-panel li:before{content:"";border:2px solid var(--gold);border-radius:50%;width:10px;height:10px;position:absolute;top:19px;left:0}.sds-terrain-panel.sds-terrain li{border-color:#f2efe62e}.sds-terrain-note{color:var(--muted);margin-top:22px;font-size:.88rem}.sds-terrain-claim{text-align:center;font-family:var(--heading);margin-top:34px;font-size:clamp(1.7rem,3.4vw,3.2rem);line-height:1.06}.sds-toc-grid{gap:14px;display:grid}.sds-toc-part{border:1px solid var(--line-strong);background:var(--paper-strong)}.sds-toc-part summary{cursor:pointer;grid-template-columns:90px 1fr 30px;align-items:center;gap:18px;padding:24px;list-style:none;display:grid}.sds-toc-part summary::-webkit-details-marker{display:none}.sds-toc-index{color:var(--red);letter-spacing:.1em;font-weight:900}.sds-toc-part summary h3{font-family:var(--heading);margin:0;font-size:clamp(1.35rem,2.7vw,2.2rem);line-height:1.1}.sds-toc-plus{width:26px;height:26px;position:relative}.sds-toc-plus:before,.sds-toc-plus:after{content:"";background:var(--ink);width:18px;height:2px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.sds-toc-plus:after{transition:transform .18s;transform:translate(-50%,-50%)rotate(90deg)}.sds-toc-part[open] .sds-toc-plus:after,.sds-question-card--toc[open] .sds-toc-plus:after,.sds-faq details[open] .sds-toc-plus:after{transform:translate(-50%,-50%)rotate(0)}.sds-toc-content{border-top:1px solid var(--line);padding:14px 24px 28px 132px}.sds-toc-content ol{margin:0;padding-left:22px}.sds-toc-content li{color:var(--muted);padding:8px 0}.sds-toc-content p{color:var(--muted);margin:0}.sds-practice-copy{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.sds-practice-card{border:1px solid var(--line);background:var(--paper-strong);padding:24px}.sds-practice-card h3{font-family:var(--heading);margin:0 0 8px;font-size:1.4rem}.sds-practice-card p{color:var(--muted);margin:0}.sds-faq{gap:10px;display:grid}.sds-faq details{border:1px solid var(--line-strong);background:var(--paper-strong)}.sds-faq summary{cursor:pointer;padding:20px 56px 20px 22px;font-weight:800;list-style:none;position:relative}.sds-faq summary::-webkit-details-marker{display:none}.sds-faq summary .sds-toc-plus{width:18px;height:18px;position:absolute;top:50%;right:22px;transform:translateY(-50%)}.sds-faq summary .sds-toc-plus:before,.sds-faq summary .sds-toc-plus:after{background:var(--red);width:14px;height:2px}.sds-faq-answer{color:var(--muted);padding:0 22px 22px}.sds-manifesto{background:var(--gold);color:#0d0d0d;border-top:1px solid #0d0d0d;padding:clamp(80px,11vw,140px) 0;position:relative;overflow:hidden}.sds-manifesto:before{content:"EXIT";font-family:var(--heading);opacity:.08;font-size:clamp(12rem,32vw,34rem);font-weight:900;line-height:.8;position:absolute;bottom:-.23em;right:-.04em}.sds-manifesto h2{max-width:1000px;font-family:var(--heading);letter-spacing:-.05em;text-transform:uppercase;margin:0;font-size:clamp(3.2rem,8vw,8rem);line-height:.82}.sds-manifesto p{z-index:2;max-width:760px;font-size:1.12rem;font-weight:600;position:relative}.sds-manifesto .sds-btn{z-index:2;margin-top:12px;position:relative}.sds-sources{color:#f2efe6;background:#0d0d0d;padding:58px 0}.sds-sources-grid{grid-template-columns:.75fr 1.25fr;gap:46px;display:grid}.sds-sources h2{font-family:var(--heading);margin:0;font-size:2.6rem}.sds-sources p{color:#f2efe6a8}.sds-source-list{columns:2;column-gap:34px;margin:0;padding-left:22px}.sds-source-list li{break-inside:avoid;color:#f2efe6b8;padding:0 0 12px 4px;font-size:.8rem}.sds-source-list a{text-underline-offset:3px}.sds-footer{color:#f2efe69e;background:#080808;border-top:1px solid #f2efe61f}.sds-footer-inner{grid-template-columns:auto 1fr auto;align-items:center;gap:26px;min-height:120px;display:grid}.sds-footer-logo{width:150px;height:auto}.sds-footer-note{max-width:680px;font-size:.75rem}.sds-footer-meta{text-align:right;font-size:.72rem}.sds-modal{z-index:2000;place-items:center;padding:20px;display:none;position:fixed;inset:0}.sds-modal[aria-hidden=false]{display:grid}.sds-modal-backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#000000b8;position:absolute;inset:0}.sds-modal-panel{z-index:2;background:var(--paper-strong);width:min(680px,100%);max-height:min(84vh,760px);color:var(--ink);border:1px solid var(--line-strong);box-shadow:var(--shadow);flex-direction:column;padding:clamp(28px,5vw,48px);display:flex;position:relative}.sds-modal-scroll{min-height:0;overflow:auto}.sds-modal-footer{border-top:1px solid var(--line);flex:none;margin-top:20px;padding-top:20px}.sds-modal-close{border:1px solid var(--line-strong);background:var(--paper-strong);width:38px;height:38px;color:var(--ink);cursor:pointer;font-size:1.3rem;position:absolute;top:14px;right:14px}.sds-modal-panel h2{font-family:var(--heading);margin:10px 0 14px;font-size:clamp(2rem,5vw,3.6rem);line-height:1}.sds-modal-panel p{color:var(--muted)}.sds-reveal{opacity:0;transition:opacity .5s,transform .5s;transform:translateY(18px)}.sds-reveal.sds-visible{opacity:1;transform:translateY(0)}.sds-noscript{width:min(calc(100% - 32px), var(--max));border:2px solid var(--red);background:var(--paper-strong);color:var(--ink);margin:12px auto;padding:14px;font-weight:700}@media (max-width:1040px){.sds-nav-toggle{display:inline-flex}.sds-nav{inset:var(--nav-h) 0 auto 0;min-height:calc(100vh - var(--nav-h));background:#0d0d0d;flex-direction:column;align-items:stretch;padding:28px;display:none;position:fixed}body.sds-nav-open .sds-nav{display:flex}.sds-nav a,.sds-nav button{text-align:left;border-bottom:1px solid #f2efe61f;border-radius:0;padding:16px 12px}.sds-nav-cta{margin-left:auto}.sds-theme-toggle{justify-content:flex-start;width:auto;display:flex}.sds-hero-grid{grid-template-columns:1fr}.sds-hero-visual{min-height:520px}.sds-book-scene{max-width:390px}.sds-stat-board,.sds-sources-grid{grid-template-columns:1fr}}@media (max-width:760px){.sds-page{--nav-h:64px}html:has(.sds-page){scroll-padding-top:88px}.sds-brand{min-width:0}.sds-brand img{width:118px}.sds-brand-label,.sds-brand-divider{display:none}.sds-paper{width:min(100% - 12px,1440px);margin-top:8px}.sds-paper:after{inset:5px}.sds-section-shell{width:min(calc(100% - 28px), var(--max))}.sds-hero{padding-top:58px}.sds-hero h1{font-size:clamp(3.3rem,16vw,5.7rem)}.sds-hero-proof{grid-template-columns:repeat(2,minmax(0,1fr))}.sds-proof-item:nth-child(3){border-left:0;border-top:1px solid var(--line);padding-left:0}.sds-proof-item:nth-child(4){border-top:1px solid var(--line)}.sds-hero-visual{min-height:480px}.sds-stamp{top:2%;right:0}.sds-paradox-grid,.sds-question-board,.sds-definition-grid,.sds-practice-copy{grid-template-columns:1fr}.sds-question-card--span2{grid-column:span 1}.sds-question-card--span2 .sds-question-card-content ol{column-count:1}.sds-definition-card{border-bottom:1px solid var(--line);border-right:0!important}.sds-definition-card:last-child{border-bottom:0}.sds-stat-row{grid-template-columns:1fr;gap:4px}.sds-terrain-stage{grid-template-columns:1fr}.sds-terrain-panel.sds-agent,.sds-terrain-panel.sds-terrain{border:1px solid var(--line-strong)}.sds-terrain-bridge{min-height:64px}.sds-toc-part summary{grid-template-columns:1fr 30px}.sds-toc-index{grid-column:1/-1}.sds-toc-content{padding:16px 24px 24px 46px}.sds-source-list{columns:1}.sds-footer-inner{grid-template-columns:1fr;padding:28px 0}.sds-footer-meta{text-align:left}}@media (max-width:440px){.sds-hero-actions .sds-btn,.sds-book-scene{width:100%}.sds-hero-visual{min-height:430px}}@media (prefers-reduced-motion:reduce){.sds-page,.sds-page *,.sds-page :before,.sds-page :after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}.sds-reveal{opacity:1;transform:none}}@media print{.sds-page{color:#000;background:#fff}.sds-topbar,.sds-progress,.sds-hero-actions,.sds-modal,.sds-nav-toggle,.sds-theme-toggle{display:none!important}.sds-paper{width:100%;box-shadow:none;border:0;margin:0}.sds-paper:before,.sds-paper:after{display:none}.sds-section{break-inside:avoid}.sds-sources,.sds-footer{color:#000;background:#fff}.sds-page a{text-decoration:none}}