@font-face{font-family:Manrope;src:url('/rubblelab/media/manrope.ttf') format('truetype');font-style:normal;font-weight:200 800;font-display:swap}
:root{--ink:#193f43;--muted:#526b68;--paper:#faf7eb;--sage:#e9eee2;--mint:#c3decd;--coral:#b7412c;--line:#c6d2c3;--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,system-ui,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:4px}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #c34c34;outline-offset:6px}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.12;font-weight:800;letter-spacing:-.045em}h1{font-size:clamp(52px,6.25vw,88px)}h2{font-size:clamp(36px,4vw,56px)}h3{font-size:24px}em{font-style:normal;color:var(--coral)}.wrap{width:min(1200px,calc(100% - 80px));margin-inline:auto}.skip{position:absolute;left:20px;top:-100px;z-index:10;padding:10px 20px;background:var(--ink);color:white}.skip:focus{top:12px}.header{height:108px;display:flex;justify-content:space-between;align-items:center;gap:30px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:25px;font-weight:800;letter-spacing:-.06em;text-decoration:none;white-space:nowrap}.brand-light{font-weight:500}.header nav,.footer nav{display:flex;align-items:center;gap:30px}.header nav a,.footer nav a{font-size:13px;font-weight:700;text-decoration:none}.header nav a:hover,.footer nav a:hover{text-decoration:underline}.hero{display:grid;grid-template-columns:1.08fr .92fr;gap:8%;align-items:center;padding-block:40px 76px}.hero-copy{padding-block:20px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:25px;display:flex;align-items:center;gap:10px}.status-dot,.mini-dot{display:inline-block;width:8px;height:8px;background:#b7412c;border-radius:50%;flex:0 0 auto}.hero-description{font-size:19px;line-height:1.7;color:var(--muted);max-width:440px;margin-top:30px}.hero-actions{margin-top:36px;display:flex;align-items:flex-start;flex-direction:column;gap:15px}.button{display:inline-flex;justify-content:space-between;align-items:center;gap:26px;padding:17px 23px;border-radius:14px;background:var(--ink);color:var(--paper);font-size:14px;font-weight:800;text-decoration:none;min-height:54px}.button:hover{background:#28565a}.button span{font-size:23px;line-height:1}.coming-soon{font-size:12px;color:var(--muted)}.hero-note{margin-top:43px;font-size:11px;color:var(--muted);max-width:300px}.hero-figure{max-width:420px;justify-self:end;width:100%;border-radius:22px;background:#dce6d6;padding:12px;box-shadow:0 22px 0 -9px #c8d7c5,0 44px 90px -45px #193f436b;transform:rotate(2deg)}.photo-label{display:flex;align-items:center;gap:7px;padding:5px 6px 11px;font-size:8px;letter-spacing:.1em;font-weight:800}.photo-label>span:last-child{margin-left:auto}.mini-dot{width:5px;height:5px}.hero-screen{border:1px solid #c4d1bd;border-radius:14px;width:100%;max-height:598px;object-fit:contain;background:#dce6d6}.hero-figure figcaption{display:flex;align-items:center;gap:12px;padding:12px 6px 4px;font-size:9px;font-weight:600;line-height:1.5}.figure-index{font-size:20px;font-weight:800}.facts-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#eef0e6}.facts{display:grid;grid-template-columns:repeat(4,1fr);padding-block:28px}.facts p{display:flex;flex-direction:column;gap:3px;padding-left:28px;border-left:1px solid var(--line)}.facts p:first-child{border:0;padding-left:0}.facts strong{font-size:34px;line-height:1.2;letter-spacing:-.05em}.facts span{font-size:11px;color:var(--muted)}.section{padding-block:100px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:45px}.section-heading>p{max-width:350px;color:var(--muted);font-size:15px}.experiment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.experiment-card{background:#f0f1e7;border:1px solid #d8dece;border-radius:var(--radius);overflow:hidden}.card-picture{height:410px;overflow:hidden;background:#dce6d6;padding:22px 22px 0;display:flex;align-items:flex-start;justify-content:center}.card-picture img{width:100%;max-width:280px;border-radius:14px 14px 0 0;border:1px solid #c7d1bf;border-bottom:0;box-shadow:0 10px 30px #193f4314}.protect-picture{background:#e0e7cf}.cargo-picture{background:#d0e5de}.card-copy{padding:25px 25px 29px;border-top:1px solid #d6dece;position:relative;background:#f0f1e7}.card-number{display:block;font-size:9px;letter-spacing:.15em;font-weight:800;color:var(--coral);margin-bottom:16px}.card-copy h3{font-size:23px}.card-copy p{font-size:13px;color:var(--muted);margin-top:13px;line-height:1.75}.materials-section{background:var(--sage);border-block:1px solid var(--line)}.materials{display:grid;grid-template-columns:1fr 1fr;gap:13%;padding-block:76px}.materials .eyebrow{font-size:10px}.material-notes{padding-top:30px;color:var(--muted);font-size:15px}.material-notes p+p{margin-top:20px}.material-swatches{display:flex;flex-wrap:wrap;gap:10px;margin-top:27px}.material-swatches span{padding:7px 12px;border:1px solid #193f4333;border-radius:7px;font-size:10px;font-weight:800;color:var(--ink)}.wood{background:#e7c596}.glass{background:#b5dbd1}.stone{background:#b7c4be}.metal{background:#789d92}.tnt{background:#efad91}.how{display:grid;grid-template-columns:1fr 1fr;gap:13%}.section-intro{color:var(--muted);max-width:340px;margin-top:26px;font-size:15px}.text-link{display:inline-flex;align-items:center;gap:16px;font-weight:800;font-size:13px}.how .text-link{margin-top:25px}.steps{list-style:none;margin:0;padding:0}.steps li{display:flex;gap:23px;padding:22px 0;border-top:1px solid var(--line)}.steps li:first-child{padding-top:0;border-top:0}.steps>li>span{width:35px;padding-top:3px;color:var(--coral);font-weight:800;font-size:12px;flex-shrink:0}.steps h3{font-size:22px}.steps p{font-size:13px;color:var(--muted);margin-top:11px;max-width:330px}.closing{background:var(--ink);color:var(--paper);border-radius:28px;padding:55px 60px;margin-bottom:75px;position:relative}.closing .eyebrow{color:#b7d6c8}.closing h2{font-size:clamp(36px,4vw,54px);max-width:650px}.closing>p:not(.eyebrow){margin-top:22px;font-size:14px;color:#c5d8cf}.closing .button{margin-top:28px}.button-light{background:var(--paper);color:var(--ink)}.button-light:hover{background:#dce9d6}.closing p.quiet{font-size:10px;margin-top:25px}.footer{display:flex;gap:35px;justify-content:space-between;align-items:center;padding-block:0 48px}.footer>.brand{font-size:20px}.footer p{font-size:10px;color:var(--muted);margin-top:5px}.footer nav{gap:23px;flex-wrap:wrap}.footer nav a{font-size:11px}.footer small{font-size:9px;white-space:nowrap;color:var(--muted)}.document{padding-block:45px 95px}.document-heading{max-width:900px;margin-bottom:60px}.document-heading h1{font-size:clamp(43px,6vw,72px)}.lead{max-width:660px;font-size:20px;color:var(--muted);margin-block:25px}.updated{font-size:12px;color:var(--muted);margin-bottom:22px}.document-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:70px}.contents{display:flex;flex-direction:column;gap:14px;align-self:start;position:sticky;top:30px;font-size:12px;font-weight:700;border-top:1px solid var(--line);padding-top:22px}.contents a{text-decoration:none}.contents a:hover{text-decoration:underline}.document-copy{max-width:750px;min-width:0}.document-copy section{margin-bottom:45px;scroll-margin-top:30px}.document-copy h2{font-size:29px;line-height:1.2;letter-spacing:-.035em;margin-bottom:20px}.document-copy h3{font-size:22px;margin:30px 0 15px}.document-copy p,.document-copy li{font-size:14px;line-height:1.85;color:#425c58;overflow-wrap:anywhere}.document-copy p+p{margin-top:16px}.document-copy ul{padding-left:20px}.document-copy li+li{margin-top:9px}.document-copy a{font-weight:700}.translation{padding-top:40px;border-top:1px solid var(--line)}
@media(max-width:1000px){.wrap{width:calc(100% - 48px)}.hero{gap:6%}.hero-figure{max-width:360px}.hero-screen{max-height:540px}.card-picture{height:350px;padding:17px 17px 0}.card-copy{padding:20px}.section{padding-block:75px}.footer{flex-wrap:wrap}.document-layout{grid-template-columns:170px minmax(0,1fr);gap:35px}.closing{padding:45px}}
@media(max-width:700px){.wrap{width:calc(100% - 40px)}.header{height:86px;gap:18px}.header .brand{font-size:22px;gap:7px}.header .brand img{width:31px;height:31px}.header nav{gap:17px}.header nav a{font-size:11px}.header nav a:nth-child(2){display:none}.hero{grid-template-columns:1fr;padding-block:27px 60px;gap:38px}.hero-copy{padding:0}.hero h1{font-size:clamp(49px,11.8vw,73px)}.eyebrow{font-size:9px;margin-bottom:22px}.hero-description{font-size:16px;max-width:430px;margin-top:24px}.hero-actions{margin-top:27px}.hero-note{margin-top:22px;font-size:10px;max-width:none}.hero-figure{width:82%;max-width:350px;justify-self:center;transform:rotate(1.5deg)}.hero-screen{max-height:none}.facts{grid-template-columns:repeat(2,1fr);gap:22px;padding-block:26px}.facts p{padding-left:20px}.facts p:nth-child(3){border:0;padding-left:0}.facts strong{font-size:29px}.facts span{font-size:10px}.section{padding-block:58px}.section-heading{display:block;margin-bottom:28px}.section-heading>p{margin-top:22px;font-size:14px}.experiment-grid{grid-template-columns:1fr;gap:24px}.experiment-card{display:grid;grid-template-columns:42% 58%;min-height:266px}.card-picture{height:100%;padding:14px 12px 0;align-items:flex-start}.card-picture img{width:100%;max-width:none;min-height:265px;object-fit:cover;object-position:top}.card-copy{border-top:0;border-left:1px solid #d6dece;padding:26px 18px}.card-copy h3{font-size:22px}.card-copy p{font-size:12px}.card-number{font-size:8px;margin-bottom:14px}.materials{grid-template-columns:1fr;gap:25px;padding-block:50px}.material-notes{padding-top:0;font-size:14px}.materials h2{font-size:39px}.how{grid-template-columns:1fr;gap:35px}.steps li{gap:16px}.closing{padding:35px 27px;border-radius:23px;margin-bottom:45px}.closing h2{font-size:35px}.closing>p:not(.eyebrow){font-size:13px}.footer{padding-bottom:30px;gap:25px}.footer nav{gap:12px 20px;width:100%}.footer small{font-size:9px}.document{padding-block:30px 50px}.document-heading{margin-bottom:35px}.lead{font-size:17px;margin-block:20px}.document-layout{display:flex;flex-direction:column;gap:32px}.contents{position:static;display:flex;flex-direction:row;flex-wrap:wrap;gap:10px 20px;padding-top:16px}.contents a{font-size:11px}.document-copy h2{font-size:25px}.document-copy p,.document-copy li{font-size:14px}.document-copy section{margin-bottom:35px}.translation{padding-top:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

.preview{display:grid;grid-template-columns:1fr 1fr;gap:13%;align-items:center;padding-bottom:0}.preview figure{width:min(100%,300px);justify-self:center}.preview video{display:block;width:100%;height:auto;border-radius:19px;background:var(--sage);box-shadow:0 20px 45px #193f431a}.preview figcaption{font-size:10px;color:var(--muted);text-align:center;margin-top:14px}.preview-note{font-size:11px;color:var(--muted);max-width:330px;margin-top:24px}@media(max-width:700px){.preview{grid-template-columns:1fr;gap:30px;padding-bottom:0}.preview figure{width:78%;max-width:300px}}

code{font-size:.92em;overflow-wrap:anywhere;background:#e5eadc;padding:2px 4px;border-radius:4px}