@import"https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,600;6..72,700&display=swap";:root{--paper: #f3f0e8;--paper-deep: #e9e3d6;--ink: #17201f;--muted: #606b68;--line: #cfc8b9;--cyan: #138b8c;--cyan-soft: #cce2dc;--purple: #66518c;--purple-soft: #ddd4e8;--magenta: #b34d6c;--white: #fffdf8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Manrope,sans-serif}button,a{font:inherit}button:focus-visible,a:focus-visible{outline:3px solid var(--magenta);outline-offset:4px}a{color:inherit}.app-shell{min-height:100vh;overflow:hidden;background:radial-gradient(circle at 88% 9%,rgba(102,81,140,.13),transparent 22%),linear-gradient(90deg,transparent 49.8%,rgba(23,32,31,.035) 50%,transparent 50.2%)}.topbar{width:min(1180px,calc(100% - 40px));height:86px;display:flex;align-items:center;justify-content:space-between;margin:0 auto;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none}.brand>span{width:38px;height:38px;display:grid;place-items:center;color:var(--white);background:var(--ink);border-radius:50%}.brand svg{width:21px}.brand strong{font:700 21px Newsreader,serif;letter-spacing:-.02em}.topbar nav{display:flex;align-items:center;gap:30px}.topbar nav a{color:var(--muted);font-size:14px;font-weight:600;text-decoration:none}.topbar nav a:hover{color:var(--ink)}.topbar .nav-cta{padding:10px 16px;color:var(--white);background:var(--ink);border-radius:999px}.topbar .nav-cta:hover{color:var(--white);background:var(--cyan)}.hero{width:min(1180px,calc(100% - 40px));min-height:650px;display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:clamp(40px,7vw,100px);margin:0 auto;padding:80px 0 100px}.hero-kicker,.step-label{display:inline-block;color:var(--cyan);font:500 12px DM Mono,monospace;letter-spacing:.08em;text-transform:uppercase}.hero h1{max-width:690px;margin:20px 0 26px;font:700 clamp(62px,8vw,116px)/.86 "Newsreader",serif;letter-spacing:-.065em}.hero h1 em{color:var(--purple);font-weight:600}.hero-copy>p{max-width:650px;margin:0 0 34px;color:var(--muted);font-size:clamp(17px,2vw,21px);line-height:1.65}.primary-link{width:fit-content;display:inline-flex;align-items:center;gap:16px;padding:15px 20px;color:var(--white);background:var(--ink);border-radius:4px;text-decoration:none;font-weight:700}.primary-link svg{width:18px;transition:transform .2s ease}.primary-link:hover svg{transform:translateY(4px)}.hero-visual{position:relative;min-height:470px}.hero-visual:before{content:"";position:absolute;width:370px;height:370px;top:40px;right:15px;border:1px solid var(--line);border-radius:50%}.bit-example,.qubit-example{position:absolute;width:min(310px,75%);padding:25px;border:1px solid var(--line);background:#fffdf8e0;box-shadow:14px 16px #17201f12;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.bit-example{top:0;left:0;transform:rotate(-3deg)}.qubit-example{right:0;bottom:0;transform:rotate(3deg)}.bit-example>span,.qubit-example>span{font:500 11px DM Mono,monospace;letter-spacing:.12em;text-transform:uppercase}.bit-example p,.qubit-example p{margin:18px 0 0;color:var(--muted);font-size:14px;line-height:1.5}.bit-switch{display:flex;align-items:center;justify-content:center;gap:13px;margin-top:20px}.bit-switch b{font:700 42px Newsreader,serif}.bit-switch i{width:92px;height:44px;position:relative;border:2px solid var(--ink);border-radius:999px}.bit-switch i:after{content:"";width:30px;height:30px;position:absolute;top:5px;left:6px;background:var(--ink);border-radius:50%}.qubit-orbit{width:145px;height:145px;position:relative;display:grid;place-items:center;margin:12px auto 0;border:2px solid var(--purple);border-radius:50%;transform:rotate(-15deg)}.qubit-orbit:before,.qubit-orbit:after{content:"";position:absolute;inset:20px -8px;border:1px solid rgba(102,81,140,.55);border-radius:50%;transform:rotate(63deg)}.qubit-orbit:after{transform:rotate(-63deg)}.qubit-orbit i{width:15px;height:15px;position:absolute;top:10px;left:34px;z-index:2;background:var(--magenta);border-radius:50%}.qubit-orbit b{font:700 60px Newsreader,serif;transform:rotate(15deg)}.basics-section,.inside-section,.try-lab,.takeaway{width:min(1180px,calc(100% - 40px));margin:0 auto}.basics-section{padding:120px 0;border-top:1px solid var(--line)}.section-intro{max-width:660px}.section-intro h2,.inside-copy h2,.takeaway h2{margin:14px 0 17px;font:700 clamp(42px,6vw,72px)/.98 "Newsreader",serif;letter-spacing:-.045em}.section-intro>p,.inside-copy>p{color:var(--muted);font-size:18px;line-height:1.65}.basics-path{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:22px;margin-top:65px}.basics-path article{min-height:330px;position:relative;padding:28px;border:1px solid var(--line);background:#fffdf8a6}.basics-path article:nth-of-type(2){transform:translateY(28px)}.basics-path .number{position:absolute;top:22px;right:24px;color:var(--line);font:700 35px Newsreader,serif}.concept-icon{width:54px;height:54px;display:grid;place-items:center;color:var(--white);background:var(--cyan);border-radius:50% 50% 50% 8px}.basics-path article:nth-of-type(2) .concept-icon{background:var(--purple)}.basics-path article:nth-of-type(3) .concept-icon{background:var(--magenta)}.concept-icon svg{width:25px}.basics-path h3{margin:35px 0 12px;font:700 30px Newsreader,serif}.basics-path p{margin:0;color:var(--muted);line-height:1.65}.basics-path small{display:block;margin-top:24px;padding-top:18px;color:var(--ink);border-top:1px solid var(--line);font-weight:700;line-height:1.5}.path-arrow{color:var(--line)}.reality-note{max-width:780px;display:grid;grid-template-columns:190px 1fr;gap:24px;margin:82px 0 0 auto;padding:28px 0;border-block:1px solid var(--line)}.reality-note strong{font:700 22px Newsreader,serif}.reality-note p{margin:0;color:var(--muted);line-height:1.65}.inside-section{display:grid;grid-template-columns:1fr .86fr;gap:clamp(50px,9vw,130px);align-items:center;padding:150px 0}.inside-list{display:grid;gap:8px;margin-top:36px}.inside-list article{display:grid;grid-template-columns:48px 1fr;gap:17px;padding:20px 0;border-top:1px solid var(--line)}.inside-list article>svg{width:48px;height:48px;padding:12px;color:var(--cyan);background:var(--cyan-soft);border-radius:50%}.inside-list article:nth-child(2)>svg{color:var(--purple);background:var(--purple-soft)}.inside-list article:nth-child(3)>svg{color:var(--magenta);background:#ead3d8}.inside-list h3{margin:0 0 4px;font:700 22px Newsreader,serif}.inside-list p{margin:0;color:var(--muted);line-height:1.55}.fridge-visual{min-height:590px;position:relative;display:flex;align-items:center;flex-direction:column;padding-top:50px;border:1px solid #9b793f;background:#252825;box-shadow:20px 22px 0 var(--paper-deep)}.fridge-visual:before{content:"";position:absolute;inset:0;opacity:.28;background:repeating-linear-gradient(90deg,transparent 0 28px,rgba(255,255,255,.07) 29px 30px)}.fridge-label{position:absolute;top:20px;left:20px;color:#d5c39d;font:500 10px DM Mono,monospace;letter-spacing:.14em;text-transform:uppercase}.fridge-top{width:58%;height:32px;z-index:1;border:2px solid #c79c50;border-radius:50%;background:#5f4a2b}.fridge-layer{z-index:1;display:flex;justify-content:space-around;border:2px solid #c79c50;border-radius:50%;background:#3f392c}.fridge-layer i{width:2px;height:105px;margin-top:10px;background:linear-gradient(#d8b66f,#795f36)}.layer-one{width:76%;height:48px;margin-top:45px}.layer-two{width:59%;height:40px;margin-top:75px}.layer-two i{height:74px}.layer-three{width:42%;height:34px;margin-top:55px}.layer-three i{height:50px}.quantum-chip{z-index:2;display:flex;align-items:center;gap:8px;margin-top:45px;padding:10px 13px;color:var(--ink);background:#d8b66f;font:500 10px DM Mono,monospace;text-transform:uppercase}.quantum-chip svg{width:17px}.fridge-visual>p{z-index:1;max-width:330px;margin:auto 25px 24px;color:#d6d2c7;font-size:13px;line-height:1.6;text-align:center}.try-lab{padding:120px 0;border-top:1px solid var(--line)}.lab-intro{margin-bottom:55px}.lab-panel{display:grid;grid-template-columns:1fr 1fr;overflow:hidden;border:1px solid var(--ink);background:var(--white);box-shadow:18px 18px 0 var(--cyan-soft)}.lab-controls,.chance-card{padding:clamp(28px,5vw,58px)}.lab-controls{border-right:1px solid var(--line)}.control-label{margin:0 0 22px;color:var(--muted);font:500 11px DM Mono,monospace;letter-spacing:.1em;text-transform:uppercase}.gate-buttons{display:grid;gap:12px}.gate-buttons button{display:grid;grid-template-columns:45px 1fr;align-items:center;gap:15px;padding:17px;color:var(--ink);border:1px solid var(--line);background:var(--paper);cursor:pointer;text-align:left;transition:transform .18s ease,border-color .18s ease}.gate-buttons button:hover{transform:translate(5px);border-color:var(--cyan)}.gate-buttons svg{width:42px;height:42px;padding:10px;color:var(--white);background:var(--cyan);border-radius:50%}.gate-buttons button:nth-child(2) svg{background:var(--purple)}.gate-buttons span{display:grid;gap:4px}.gate-buttons strong{font-size:15px}.gate-buttons small{color:var(--muted);line-height:1.4}.gate-story{min-height:46px;display:flex;align-items:center;gap:8px;margin:34px 0 20px;padding:8px;overflow-x:auto;border-bottom:2px solid var(--ink)}.gate-story span{flex:0 0 auto;font:500 10px DM Mono,monospace}.gate-story .story-gate{padding:7px 9px;color:var(--white);background:var(--purple)}.reset-button{display:inline-flex;align-items:center;gap:8px;padding:10px 0;color:var(--muted);border:0;background:transparent;cursor:pointer;font-size:13px;font-weight:700}.reset-button svg{width:16px}.reset-button:disabled{opacity:.4;cursor:not-allowed}.chance-card{background:var(--ink);color:var(--white)}.chance-card .control-label{color:#aeb9b5}.chance-row{display:grid;grid-template-columns:50px 1fr 55px;align-items:center;gap:14px;margin-bottom:18px}.state-mark{width:48px;height:48px;display:grid;place-items:center;color:var(--ink);background:var(--cyan-soft);border-radius:50%;font:700 27px Newsreader,serif}.one-mark{background:var(--purple-soft)}.chance-track{height:14px;overflow:hidden;background:#394240;border-radius:999px}.chance-track span{width:100%;height:100%;display:block;transform-origin:left;background:var(--cyan);border-radius:inherit;transition:transform .35s ease}.one-track span{background:#a992c4}.chance-row>strong{font:500 15px DM Mono,monospace;text-align:right}.measure-button{width:100%;margin-top:24px;padding:16px 20px;color:var(--ink);border:0;background:#dfb35f;cursor:pointer;font-weight:800}.measure-button:hover{background:#efc879}.measurement{min-height:112px;display:grid;place-items:center;margin-top:14px;padding:18px;border:1px solid #46504e;color:#b8c1be;text-align:center}.measurement p{margin:0;line-height:1.55}.measurement.has-result{color:var(--white);background:#2e3735}.measurement strong{display:block;color:#efc879;font:700 54px Newsreader,serif;line-height:1}.measurement span{display:block;margin-top:10px;color:#bdc5c2;font-size:13px}.takeaway{margin-top:60px;padding:100px clamp(30px,7vw,90px);color:var(--white);background:var(--purple)}.takeaway>span{font:500 11px DM Mono,monospace;letter-spacing:.12em;text-transform:uppercase}.takeaway h2{max-width:900px}.takeaway a{display:inline-flex;align-items:center;gap:10px;margin-top:15px;color:var(--white);font-weight:700}.takeaway a svg{width:17px;transform:rotate(180deg)}footer{width:min(1180px,calc(100% - 40px));display:flex;align-items:center;justify-content:space-between;margin:0 auto;padding:45px 0;color:var(--muted);font-size:13px}.brand.mini>span{width:31px;height:31px}.brand.mini strong{color:var(--ink);font-size:17px}@media(max-width:900px){.hero{grid-template-columns:1fr;padding-top:70px}.hero-visual{width:min(560px,100%);margin:0 auto}.basics-path{grid-template-columns:1fr}.basics-path article,.basics-path article:nth-of-type(2){min-height:auto;transform:none}.path-arrow{margin:-6px auto;transform:rotate(90deg)}.reality-note{margin-top:60px}.inside-section{grid-template-columns:1fr}.fridge-visual{width:min(520px,100%);margin:0 auto}.lab-panel{grid-template-columns:1fr}.lab-controls{border-right:0;border-bottom:1px solid var(--line)}}@media(max-width:620px){.topbar,.hero,.basics-section,.inside-section,.try-lab,.takeaway,footer{width:min(100% - 24px,1180px)}.topbar{height:72px}.topbar nav a:not(.nav-cta){display:none}.topbar .nav-cta{padding:9px 13px;font-size:12px}.hero{min-height:auto;gap:35px;padding:60px 0 70px}.hero h1{font-size:clamp(56px,20vw,82px)}.hero-copy>p{font-size:16px}.hero-visual{min-height:430px}.hero-visual:before{width:290px;height:290px;right:-50px}.bit-example,.qubit-example{width:78%;padding:20px}.basics-section,.try-lab{padding:85px 0}.inside-section{padding:100px 0}.section-intro h2,.inside-copy h2,.takeaway h2{font-size:44px}.basics-path{margin-top:40px}.reality-note{grid-template-columns:1fr;gap:8px}.fridge-visual{min-height:520px}.lab-intro{margin-bottom:35px}.lab-controls,.chance-card{padding:26px 20px}.gate-buttons button{grid-template-columns:39px 1fr;padding:14px}.gate-buttons svg{width:38px;height:38px}.chance-row{grid-template-columns:42px 1fr 48px;gap:9px}.state-mark{width:42px;height:42px}.takeaway{margin-top:20px;padding:65px 25px}footer{align-items:flex-start;flex-direction:column;gap:16px}footer p{margin:0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important}}