:root{--ink:#213843;--muted:#566770;--teal:#335f61;--teal2:#477a76;--warm:#f2f1eb;--line:#dce1de;--paper:#f9faf8;--white:#fff;--gold:#b79970}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit}a:focus-visible{outline:3px solid #177c90;outline-offset:4px}.skip{position:absolute;z-index:10;top:-100px;left:15px;background:#fff;padding:12px}.skip:focus{top:12px}.shell{width:min(1160px,calc(100% - 48px));margin-inline:auto}.header{background:rgba(249,250,248,.98);border-bottom:1px solid var(--line)}.topbar{display:flex;align-items:center;min-height:86px;gap:28px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:19px;font-weight:750;letter-spacing:-.7px;white-space:nowrap}.brandmark{display:grid;place-items:center;height:37px;width:37px;border-radius:10px;background:var(--teal);color:white;font-size:29px;line-height:1;font-weight:750}.branddot{color:#d5bd90}.brand-light{font-weight:500;color:#66777a}.nav{display:flex;gap:25px;margin-left:auto}.nav a,.toplink{text-decoration:none;font-size:13px;font-weight:650;color:#475c62}.nav a:hover,.toplink:hover,.textlink:hover{text-decoration:underline;text-underline-offset:4px}.toplink{border-left:1px solid var(--line);padding-left:24px}.hero{min-height:610px;padding-block:84px 96px;display:grid;grid-template-columns:1.03fr .97fr;gap:72px;align-items:center}.eyebrow,.kicker{font-size:11px;letter-spacing:1.5px;font-weight:800;color:var(--teal);text-transform:uppercase}.status-dot{display:inline-block;width:7px;height:7px;margin-right:8px;border-radius:50%;background:#8da887}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,5.4vw,72px);line-height:1.11;letter-spacing:-3px;font-weight:730;margin:21px 0 25px}h1 em{font-style:normal;color:var(--teal2)}.lead{font-size:17px;color:var(--muted);line-height:1.8;max-width:590px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{min-height:48px;display:inline-flex;justify-content:center;align-items:center;gap:19px;border:1px solid transparent;border-radius:6px;padding:12px 20px;text-decoration:none;font-size:13px;font-weight:750;transition:background .15s,color .15s}.button.primary{background:var(--teal);color:white}.button.primary:hover{background:#24484a}.button.secondary{background:transparent;border-color:#aabdb9;color:var(--ink)}.button.secondary:hover{background:#e9eeeb}.button.dark{background:var(--ink);color:white}.button.dark:hover{background:#34515d}.micro{font-size:12px;line-height:1.6;color:#69797d;max-width:470px;margin-top:21px}.hero-art{padding:27px 27px 20px;background:#e9ede7;border:1px solid #d6e0d8;border-radius:13px;box-shadow:0 27px 50px rgba(26,45,37,.07);transform:rotate(1deg)}.board-top,.board-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#516665;font-size:11px;letter-spacing:1.2px;font-weight:750}.board-pill{background:#f8faf6;border:1px solid #d8e1d9;padding:5px 10px;border-radius:20px;letter-spacing:0;font-weight:600}.hero-art h2{font-size:27px;line-height:1.25;letter-spacing:-.7px;margin:26px 0 8px}.hero-art>p{font-size:13px;color:var(--muted);max-width:370px}.notes{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:27px 0 32px}.note{display:flex;flex-direction:column;justify-content:space-between;gap:10px;min-height:166px;padding:13px 12px;box-shadow:0 5px 13px rgba(0,0,0,.035);font-size:12px;line-height:1.3}.note span,.note small{font-size:10px;color:#526360}.note b{font-size:14px;line-height:1.4}.note-yellow{background:#f7eed4;transform:rotate(-2deg)}.note-blue{background:#e1eaf3;transform:rotate(1.5deg)}.note-green{background:#dce8d9;transform:rotate(-1deg)}.board-bottom{border-top:1px solid #cfd9d0;padding-top:14px;letter-spacing:0}.section{padding-block:100px}.warm{background:var(--warm)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:60px;margin-bottom:32px}.section-head h2,.split h2,.bottom-cta h2,.narrow h2{font-size:clamp(28px,3.3vw,43px);line-height:1.2;letter-spacing:-1.5px;max-width:660px;margin:12px 0 0}.section-head>p{font-size:14px;color:var(--muted);max-width:350px}.cards{display:grid;gap:17px}.three{grid-template-columns:repeat(3,1fr)}.tile{padding:30px;background:#fff;border:1px solid #e2e4de;border-radius:9px;min-height:249px;display:flex;flex-direction:column;align-items:flex-start}.tile-no{font-size:12px;color:var(--teal2);font-weight:750}.tile h3,.tile h2{font-size:22px;line-height:1.3;letter-spacing:-.5px;margin:23px 0 10px}.tile p{font-size:14px;color:var(--muted);line-height:1.75}.textlink{font-size:13px;font-weight:750;text-decoration:none;color:var(--teal);margin-top:auto}.split{display:grid;grid-template-columns:1fr 1fr;gap:80px}.split p,.narrow p{color:var(--muted);font-size:16px;line-height:1.85}.bottom-cta{background:#e0e9e3;border-radius:10px;padding:44px 50px;margin-bottom:100px;display:flex;align-items:center;justify-content:space-between;gap:30px}.bottom-cta h2{font-size:32px;margin-top:8px}.footer{background:#eaece7;border-top:1px solid #d8ded7;padding:55px 0 22px}.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.foot-grid p{font-size:12px;max-width:300px;color:var(--muted);margin-top:19px}.foot-grid>div:not(:first-child){display:flex;flex-direction:column;align-items:flex-start;gap:9px}.foot-grid strong{font-size:12px;margin-bottom:6px}.foot-grid a:not(.brand){font-size:12px;color:var(--muted);text-decoration:none}.foot-grid a:hover{text-decoration:underline}.legal{font-size:11px;color:#667770;border-top:1px solid #d0d7d1;margin-top:45px;padding-top:18px}.pagehero{padding-block:104px 105px}.pagehero h1{max-width:930px;font-size:clamp(40px,5vw,66px)}.pagehero .lead{max-width:700px}.flag{display:inline-block;background:#e5eee9;color:#355e50;padding:7px 12px;border-radius:4px;font-size:12px;font-weight:700;margin-top:15px}.narrow{max-width:790px}.narrow .button{margin-top:12px}.timeline{margin-top:32px}.timeline>div{display:flex;gap:25px;padding:23px 0;border-top:1px solid #d2d8d0}.timeline>div>span{color:var(--teal);font-weight:750;font-size:13px}.timeline h3{margin:0 0 7px}.timeline p{font-size:14px}.compact{padding-top:25px}.compact h2{font-size:25px;margin-top:36px}.notice{padding:17px;background:#e5eee9;border-left:3px solid var(--teal)}@media(max-width:900px){.hero{gap:30px}.nav{gap:14px}.toplink{display:none}.notes{gap:5px}.note{padding:9px;min-height:145px}.note b{font-size:12px}}@media(max-width:690px){.shell{width:min(100% - 32px,1160px)}.topbar{min-height:76px;display:block;padding-block:14px}.nav{margin-top:12px;overflow-x:auto;gap:19px;padding-bottom:5px}.nav a{white-space:nowrap;font-size:12px}.hero{padding-block:55px;grid-template-columns:1fr;gap:34px}.hero-art{transform:none}.hero h1{letter-spacing:-1.8px}.three,.split,.foot-grid{grid-template-columns:1fr}.section{padding-block:65px}.section-head{display:block}.section-head>p{margin-top:16px}.tile{min-height:190px}.split{gap:23px}.bottom-cta{padding:30px 24px;margin-bottom:45px;display:block}.bottom-cta .button{margin-top:23px}.pagehero{padding-block:60px}.foot-grid{gap:26px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}

/* v0.0.3 — touch-first, without dark patterns */
:root{--touch:48px}body{overflow-wrap:break-word}img,svg{max-width:100%}a,button{touch-action:manipulation} .button{min-height:var(--touch)}
.mobile-story{padding-block:76px}.mobile-story-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);gap:68px;align-items:center}.mobile-story h2{font-size:clamp(29px,3.6vw,46px);line-height:1.17;letter-spacing:-1.3px;margin:12px 0 18px}.mobile-story p{color:var(--muted);max-width:590px}.pill-list{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-wrap:wrap;gap:9px}.pill-list li{background:#e9eeeb;border:1px solid #cfdcd4;padding:7px 12px;border-radius:6px;font-size:12px;color:#30494a}.phone-preview{width:min(100%,340px);margin-inline:auto;background:#1e3540;padding:12px;border-radius:30px;box-shadow:0 22px 35px rgba(22,39,37,.14)}.phone-screen{background:#f9faf8;border-radius:21px;padding:20px 17px;min-height:410px}.phone-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #dbe3dc;padding-bottom:12px;font-size:11px;color:#53696b}.phone-screen h3{margin:24px 0 9px;font-size:22px;line-height:1.25;letter-spacing:-.5px}.phone-screen p{font-size:13px;line-height:1.6}.phone-step{margin-top:12px;border:1px solid #dce3de;border-radius:7px;background:white;padding:12px;font-size:12px}.phone-step strong{display:block;font-size:13px}.phone-step span{display:block;color:#586970;margin-top:4px}.phone-progress{height:5px;background:#dfe7e1;border-radius:5px;overflow:hidden;margin-top:20px}.phone-progress span{display:block;width:50%;height:100%;background:#477a76}.phone-foot{margin-top:9px;font-size:11px;color:#586970}.phone-caption{font-size:11px;text-align:center;color:#667770;margin:13px auto 0;max-width:330px}.teacher-note{border-left:3px solid #477a76;padding:11px 16px;background:#edf1ec;color:#304a48;font-size:13px;margin-top:24px}
@media(max-width:800px){.mobile-story-grid{grid-template-columns:1fr;gap:36px}.mobile-story{padding-block:60px}}@media(max-width:690px){.shell{width:calc(100% - 32px)}.topbar{display:flex;flex-wrap:wrap;gap:8px 16px}.nav{width:100%;margin:0;display:flex;gap:6px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}.nav a{display:inline-flex;align-items:center;min-height:44px;padding:8px 11px;background:#eef1ed;border-radius:5px;flex:none;font-size:13px}.hero{padding-block:39px 54px;gap:28px;min-height:unset}.hero h1{font-size:clamp(35px,10vw,52px);line-height:1.13}.lead{font-size:16px;line-height:1.65}.actions{display:grid;grid-template-columns:1fr;gap:10px}.actions .button{width:100%;min-height:52px;font-size:14px}.hero-art{padding:18px 15px}.hero-art h2{font-size:23px}.notes{margin:17px 0 20px}.note{min-height:140px}.section-head h2,.split h2,.bottom-cta h2,.narrow h2{letter-spacing:-.8px}.tile{padding:24px}.phone-preview{width:min(100%,328px)}.bottom-cta .button{width:100%}.footer a{min-height:32px;display:inline-flex;align-items:center}}
@media(max-width:360px){.notes{grid-template-columns:1fr}.note{min-height:100px;transform:none}.board-top{flex-wrap:wrap}.phone-screen{padding:17px 13px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* v0.0.4: mission explorer, mobile-first, unobtrusive */
.mission-home{padding-block:65px;max-width:1160px;border-top:1px solid var(--line)}.mission-home h2{font-size:clamp(28px,3.4vw,44px);letter-spacing:-1px;margin:12px 0}.mission-home p{max-width:680px;color:var(--muted)}.mission-intro{padding-bottom:32px}.mission-intro h1{max-width:920px}.mission-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:65px}.mission-tile{background:white;border:1px solid var(--line);border-radius:10px;padding:28px;display:flex;flex-direction:column;align-items:start}.mission-tag{font-size:11px;color:var(--teal);letter-spacing:.7px;font-weight:800}.mission-tile h2{font-size:24px;line-height:1.25;letter-spacing:-.6px;margin:20px 0 10px}.mission-tile p{font-size:14px;color:var(--muted);flex:1}.mission-tile .button{margin-top:12px}.mission-disclaimer{padding-bottom:80px;border-top:1px solid var(--line);padding-top:26px}.mission-disclaimer h2{font-size:23px}.mission-disclaimer p{color:var(--muted);max-width:800px}.lab-main{padding-block:30px 90px}.crumb{font-size:13px;color:var(--muted)}.crumb a{text-underline-offset:3px}.crumb span{margin:0 8px}.lab-heading{max-width:820px;margin:35px 0}.lab-heading h1{font-size:clamp(33px,5vw,56px);margin:12px 0 15px}.lab-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(250px,1fr);gap:22px;align-items:start}.lab-work,.safety-card{background:white;border:1px solid var(--line);border-radius:10px}.mode-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:8px;border-bottom:1px solid var(--line)}.mode-tabs button{border:0;border-radius:6px;padding:13px 5px;min-height:48px;background:transparent;font:inherit;font-size:14px;font-weight:700;color:var(--muted);cursor:pointer}.mode-tabs button[aria-selected="true"]{background:var(--teal);color:white}.mode-tabs button:focus-visible{outline:3px solid #177c90;outline-offset:2px}.mode-panel{padding:28px;min-height:300px}.mode-panel[hidden]{display:none}.mode-panel h2{font-size:25px;letter-spacing:-.5px}.mode-panel p{color:var(--muted)}.lab-note{border-left:3px solid var(--teal2);background:#edf1ec;padding:15px;font-size:14px;margin-top:24px}.lab-sidebar{display:grid;gap:12px}.safety-card{padding:22px}.safety-card h2{font-size:17px}.safety-card p{font-size:13px;color:var(--muted);margin:0}.safety-card.soft{background:#eaf0eb}.lab-small{font-size:12px;color:var(--muted)}.sim-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:20px 0}.sim-grid label,.mode-panel>label{display:grid;gap:7px;font-size:14px;font-weight:650}.sim-grid select,.mode-panel>select{width:100%;min-height:48px;border:1px solid #869e99;border-radius:6px;background:#fff;color:var(--ink);padding:10px;font:inherit;font-size:15px}.sim-output{display:block;background:#eaf0eb;padding:20px;border-radius:7px;font-size:15px;margin-top:15px;line-height:1.7;color:var(--ink)}@media(max-width:760px){.mission-list,.lab-layout{grid-template-columns:1fr}.mission-intro{padding-block:50px 25px}.mission-tile{padding:23px}.lab-main{padding-block:20px 55px}.lab-heading{margin:25px 0}.mode-panel{padding:20px;min-height:240px}.mode-tabs button{font-size:14px}.sim-grid{grid-template-columns:1fr}}