:root{--paper:#f8f7f1;--ink:#22251f;--purple:#5e2ba8;--violet:#cbb6ef;--lime:#d8ed8b;--line:#dedfd4;--muted:#707368}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans Arabic',Arial,sans-serif;line-height:1.8}h1,h2,h3,.brand,.eyebrow{font-family:Alexandria,Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #9258de;outline-offset:5px}button{border:0}img{max-width:100%;display:block}.wrap{max-width:1280px;width:calc(100% - 100px);margin:auto}.skip{position:fixed;top:-90px;background:white;padding:10px;z-index:100}.skip:focus{top:10px}header{border-bottom:1px solid var(--line);position:relative;z-index:10}.nav{height:100px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;line-height:1.1}.brand-mark{display:grid;place-items:center;width:42px;height:45px;background:var(--purple);color:var(--lime);font-family:Georgia,serif;font-size:34px;border-radius:8px 2px 8px 2px}.brand-light{font-weight:400}.brand small{display:block;font-size:10px;font-family:'Noto Sans Arabic',sans-serif;font-weight:400;text-align:right;letter-spacing:1px;margin-top:7px}.nav nav{display:flex;gap:30px;font-size:13px}.nav a:hover{color:var(--purple)}.nav-cta{border-bottom:1px solid var(--ink);font-size:13px;padding-bottom:5px}.nav-cta span{margin-right:25px}.hero{display:grid;grid-template-columns:1fr 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solid #ffffff40;padding-top:12px;font-size:9px;display:flex;justify-content:space-between}.book-bottom b{font:15px Georgia}.angle-art{position:absolute;left:25px;bottom:65px;width:120px;height:120px;color:var(--lime)}.angle-circle{width:110px;height:110px;border:1px solid #b39bcd;border-radius:50%;position:absolute;top:5px}.axis{position:absolute;background:#b39bcd}.horizontal{width:125px;height:1px;top:65px;left:-5px}.vertical{width:1px;height:120px;top:0;left:54px}.ray{height:2px;width:83px;background:var(--lime);position:absolute;left:54px;top:65px;transform:rotate(-40deg);transform-origin:left}.ray:after{content:'';position:absolute;right:-2px;top:-3px;border-left:7px solid var(--lime);border-top:4px solid transparent;border-bottom:4px solid transparent}.angle-art span{position:absolute;top:30px;right:15px;font:italic 30px Georgia}.book-grid{height:180px;width:230px;position:absolute;bottom:18px;background-image:linear-gradient(#32412b25 1px,transparent 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20px;color:white;transform:rotate(-7deg);box-shadow:12px 14px 25px #302d2a25;border-left:7px solid #ffffff19;transition:transform .3s}.product-art:hover .cover-mini{transform:rotate(-2deg) translateY(-8px)}.cover-mini>span{display:block;font:8px Arial;letter-spacing:1.5px}.cover-mini h3{font-size:25px;line-height:1.5;margin:25px 0 15px}.cover-mini small{font-size:8px;position:relative;z-index:1}.cover-mini>small:last-child{position:absolute;bottom:18px;right:20px;border-top:1px solid #ffffff40;padding-top:10px}.mini-diagram{font:italic 40px Georgia;color:var(--lime);width:80px;height:80px;border:1px solid #b39bcd;border-radius:50%;position:relative;padding:13px 8px}.mini-diagram span{position:absolute;right:0;top:-9px;font-size:65px}.art-arrow{position:absolute;bottom:18px;left:20px;background:white;width:33px;height:33px;display:grid;place-items:center;border-radius:50%}.november{background:#b9a4d9;color:#38204f;transform:rotate(5deg)}.november>small,.final>small{display:block;margin-top:18px}.november h3{margin:4px 0;font-size:28px}.big-number{font:110px Georgia;position:absolute;bottom:30px;left:12px;opacity:.3}.final{background:#314638;color:#edf1d9;transform:rotate(-5deg)}.final h3{margin:12px 0}.final-lines{font:70px Georgia;color:#b4c889;position:absolute;left:15px;bottom:35px}.product-meta{padding:20px 0}.product-meta>small{font-size:10px;color:var(--muted)}.product-meta h3{font-size:20px;margin:6px 0}.product-meta p{font-size:12px;color:var(--muted);min-height:44px;margin:5px 0 17px}.product-action{display:flex;justify-content:space-between;width:100%;padding:12px 0;border-top:1px solid var(--line);font-size:12px;font-weight:600;background:none}.product-action:hover{color:var(--purple)}.product-action span{font-size:19px}.inside{background:#eeeee5;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.inside-grid{display:grid;grid-template-columns:.95fr 1fr;gap:100px;align-items:center}.inside h2{font-size:42px}.inside h2 span{color:var(--purple)}.inside-copy>p{font-size:14px;color:var(--muted);max-width:370px;margin:20px 0 30px}.tabs{display:grid;gap:0}.tab{display:flex;align-items:center;gap:16px;text-align:right;padding:17px 0;background:none;border-bottom:1px solid #d8dacc}.tab>span{font:12px Georgia;color:var(--muted)}.tab div{display:grid;gap:4px}.tab b{font-size:14px;font-weight:600}.tab small{font-size:11px;color:var(--muted)}.tab i{margin-right:auto;font-size:20px;font-style:normal;opacity:0}.tab.selected{color:var(--purple)}.tab.selected i{opacity:1}.inside-copy 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