@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@600;700;800&display=swap');

:root{--ink:#092e2a;--deep:#073b35;--green:#0d6b55;--lime:#b8ee62;--mint:#e5f8dc;--paper:#f7f8f2;--white:#fff;--orange:#ffb85c;--red:#d45443;--line:#cad9d1;--muted:#60736d;--shadow:0 22px 70px rgba(7,59,53,.14)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;font-size:16px;line-height:1.55}
button,input{font:inherit}
button,.secondary-btn{cursor:pointer}
button:focus-visible,a:focus-visible,label:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;min-height:76px;padding:0 clamp(20px,5vw,72px);background:rgba(247,248,242,.9);border-bottom:1px solid rgba(9,46,42,.12);backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-family:'Manrope',sans-serif;font-size:1.18rem}.brand em{color:var(--green);font-style:normal;margin-left:4px}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--deep);color:var(--lime);font-size:24px;transform:rotate(-12deg)}
nav{display:flex;gap:8px}.nav-link{padding:10px 15px;border:0;border-radius:999px;background:transparent;color:var(--muted);font-weight:600}.nav-link:hover,.nav-link.active{background:var(--deep);color:white}
.page{display:none}.page.active{display:block}
.scan-layout{display:grid;grid-template-columns:minmax(0,.83fr) minmax(420px,1.17fr);gap:clamp(40px,6vw,90px);align-items:center;min-height:calc(100vh - 76px);padding:64px clamp(24px,6vw,92px)}
.eyebrow{display:block;color:var(--green);font-weight:800;font-size:.78rem;letter-spacing:.14em;margin-bottom:14px}
h1,h2{font-family:'Manrope',sans-serif;line-height:1.08;margin:0}h1{font-size:clamp(2.7rem,5vw,5.2rem);letter-spacing:-.055em}.intro-panel>p,.page-title>p{max-width:620px;color:var(--muted);font-size:1.12rem;margin:24px 0}
.impact-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:34px 0}.impact-strip div{padding:14px;border-top:1px solid var(--line)}.impact-strip b{display:block;font-family:'Manrope';font-size:1.65rem}.impact-strip span{font-size:.82rem;color:var(--muted)}
.tip-card{display:flex;gap:14px;align-items:flex-start;padding:18px;border-radius:16px;background:var(--mint);border-left:4px solid var(--lime)}.tip-card span{color:var(--green);font-size:1.3rem}.tip-card p{margin:0;font-size:.93rem}
.scanner-card{background:var(--deep);border-radius:30px;padding:18px;box-shadow:var(--shadow);color:white}.scanner-head{display:flex;justify-content:space-between;align-items:center;padding:2px 4px 14px;font-size:.86rem}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(184,238,98,.12);margin-right:8px}.status-dot.loading{background:var(--orange);animation:pulse 1.1s ease-in-out infinite}.status-dot.error{background:#ff7b6b}.demo-badge{font-size:.68rem;letter-spacing:.12em;border:1px solid rgba(255,255,255,.25);border-radius:99px;padding:5px 9px;color:var(--lime)}@keyframes pulse{50%{opacity:.35}}
.viewfinder{position:relative;display:grid;place-items:center;min-height:410px;overflow:hidden;border-radius:20px;background:linear-gradient(145deg,#0d4a42,#062d29)}.viewfinder video,.viewfinder img{display:none;width:100%;height:410px;object-fit:cover}.viewfinder.has-media video.active,.viewfinder.has-media img.active{display:block}.empty-camera{text-align:center;max-width:290px;padding:28px;color:#d8e7e3}.empty-camera h2{font-size:1.25rem;margin:14px 0 8px}.empty-camera p{margin:0;color:#9fbab3;font-size:.9rem}.camera-icon{display:grid;place-items:center;width:70px;height:70px;margin:auto;border-radius:50%;background:rgba(184,238,98,.12);border:1px solid rgba(184,238,98,.4);color:var(--lime);font-size:2.5rem}
.corner{position:absolute;width:28px;height:28px;border-color:var(--lime);border-style:solid}.tl{top:18px;left:18px;border-width:3px 0 0 3px}.tr{top:18px;right:18px;border-width:3px 3px 0 0}.bl{bottom:18px;left:18px;border-width:0 0 3px 3px}.br{right:18px;bottom:18px;border-width:0 3px 3px 0}.scan-line{position:absolute;left:9%;right:9%;top:50%;height:1px;background:linear-gradient(90deg,transparent,var(--lime),transparent);opacity:.55;animation:scan 3.2s ease-in-out infinite}@keyframes scan{0%,100%{transform:translateY(-120px);opacity:.15}50%{transform:translateY(120px);opacity:.8}}
.scanner-actions,.result-actions{display:flex;gap:10px;margin-top:14px}.primary-btn,.secondary-btn,.analyze-btn,.back-btn{border:0;border-radius:13px;padding:13px 18px;font-weight:700;transition:.2s transform,.2s background}.primary-btn{background:var(--lime);color:var(--deep);flex:1}.primary-btn:hover,.analyze-btn:hover{transform:translateY(-2px);filter:brightness(1.04)}.secondary-btn{display:flex;align-items:center;justify-content:center;gap:7px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:white;flex:1}.analyze-btn{display:flex;width:100%;justify-content:space-between;margin-top:10px;background:var(--orange);color:var(--ink)}.privacy-note{text-align:center;color:#92aca6;font-size:.76rem;margin:12px 0 0}.hidden{display:none!important}
.samples{padding:10px clamp(24px,6vw,92px) 90px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}.section-heading h2{font-size:2rem}.section-heading p{color:var(--muted);max-width:400px}.sample-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.sample-card{display:grid;grid-template-columns:auto 1fr;column-gap:14px;text-align:left;align-items:center;background:white;border:1px solid var(--line);border-radius:16px;padding:18px;color:var(--ink)}.sample-card:hover{border-color:var(--green);transform:translateY(-2px)}.sample-card span{grid-row:1/3;font-size:2rem}.sample-card b{align-self:end}.sample-card small{color:var(--muted);align-self:start}
.result-shell,.content-page{max-width:1240px;margin:auto;padding:58px 28px 90px}.back-btn{padding-left:0;background:none;color:var(--green);margin-bottom:28px}.result-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(34px,6vw,76px);align-items:start}.result-image-wrap{position:sticky;top:110px;min-height:540px;border-radius:28px;overflow:hidden;background:var(--deep);box-shadow:var(--shadow);display:grid;place-items:center}.result-image-wrap img{display:none;width:100%;height:540px;object-fit:cover}.result-image-wrap img.has-image{display:block}.result-emoji{font-size:9rem}.confidence{position:absolute;left:18px;bottom:18px;background:rgba(7,59,53,.9);color:white;padding:8px 12px;border-radius:99px;font-size:.84rem}.result-content h1{font-size:clamp(2.7rem,5vw,4.8rem)}.category-pill{display:inline-block;margin:20px 0;padding:7px 12px;border-radius:99px;background:var(--mint);color:var(--green);font-weight:700}.bin-callout{display:flex;gap:18px;align-items:center;background:var(--deep);color:white;padding:20px;border-radius:18px;transition:background .25s,color .25s}.bin-icon{display:grid;place-items:center;width:56px;height:56px;border-radius:15px;background:white;color:var(--deep);font-size:1.8rem}.bin-callout small{display:block;color:inherit;opacity:.82;letter-spacing:.12em}.bin-callout strong{display:block;font-family:'Manrope';font-size:1.35rem}.bin-colour-name{display:block;color:inherit;opacity:.9;font-size:.88rem;margin-top:2px}.steps{margin:28px 0}.steps h2{font-size:1.15rem}.steps ol{list-style:none;padding:0;counter-reset:steps}.steps li{counter-increment:steps;padding:12px 0 12px 48px;position:relative;border-bottom:1px solid var(--line)}.steps li:before{content:counter(steps);position:absolute;left:0;top:9px;display:grid;place-items:center;width:29px;height:29px;border-radius:50%;background:var(--mint);color:var(--green);font-weight:800}.fact{padding:16px 18px;border-radius:14px;background:#fff1d9;border-left:4px solid var(--orange)}.correction-box{margin-top:16px;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:white}.correction-box label{display:block;margin-bottom:10px}.correction-row{display:flex;gap:10px}.correction-row select{min-width:0;flex:1;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink)}.correction-btn{border:0;border-radius:10px;padding:11px 16px;background:var(--deep);color:white;font-weight:700}.result-actions .secondary-btn{color:var(--deep);border-color:var(--line);background:white}.disclaimer{font-size:.8rem;color:var(--muted)}
.content-page{display:none}.content-page.active{display:block}.page-title{padding:34px 0 30px}.page-title h1{max-width:880px}.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.category-card{--category-color:var(--green);--category-text:var(--green);min-height:250px;padding:22px;border-radius:19px;background:white;border:1px solid var(--line);border-top:8px solid var(--category-color);transition:.2s}.category-card:hover{transform:translateY(-3px);box-shadow:0 15px 35px rgba(7,59,53,.09)}.category-card>span{font-size:2.1rem}.category-card h2{font-size:1.15rem;margin:25px 0 8px}.category-card p{color:var(--muted);font-size:.88rem;margin:0}.category-card small{display:flex;align-items:center;gap:7px;margin-top:14px;color:var(--category-text);font-weight:700}.colour-dot{display:inline-block;width:12px;height:12px;border-radius:50%;background:var(--category-color);box-shadow:0 0 0 4px color-mix(in srgb,var(--category-color) 16%,transparent)}.rule-banner{display:flex;align-items:center;gap:22px;margin-top:24px;padding:26px;background:var(--deep);border-radius:20px;color:white}.rule-banner>span{font-family:'Manrope';font-size:3.5rem;color:var(--lime)}.rule-banner strong{font-size:1.2rem}.rule-banner p{margin:4px 0;color:#b9cec8}
.quiz-wrap{max-width:800px;margin:auto}.quiz-top{display:flex;justify-content:space-between;align-items:end}.quiz-top h1{font-size:clamp(2.4rem,5vw,4rem)}.score-chip{white-space:nowrap;background:var(--deep);color:white;border-radius:99px;padding:10px 16px}.score-chip b{color:var(--lime)}.progress-track{height:8px;background:#dce5df;border-radius:99px;margin:30px 0;overflow:hidden}.progress-track span{display:block;width:20%;height:100%;background:var(--lime);transition:.35s}.quiz-card{padding:34px;background:white;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);text-align:center}.question-count{color:var(--green);font-weight:700}.quiz-object{font-size:4.5rem;margin:12px}.quiz-card h2{font-size:1.65rem}.answers{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:26px 0}.answer{border:1px solid var(--line);border-radius:13px;background:var(--paper);padding:15px;color:var(--ink);font-weight:600}.answer:hover{border-color:var(--green)}.answer.correct{background:var(--mint);border-color:var(--green)}.answer.wrong{background:#ffe7e3;border-color:var(--red)}.feedback{border-radius:12px;padding:13px;background:var(--mint);color:var(--deep)}.quiz-finish p{color:var(--muted)}.quiz-finish .primary-btn{display:inline-block;min-width:160px;flex:none}
.project-layout{max-width:940px;margin:auto}.project-flow{display:grid;gap:12px;margin:24px 0}.project-flow article{display:flex;gap:20px;padding:22px;border:1px solid var(--line);border-radius:18px;background:white}.project-flow article>span{font-family:'Manrope';font-size:1.5rem;color:var(--green)}.project-flow h2{font-size:1.2rem}.project-flow p{margin:6px 0 0;color:var(--muted)}.project-credit{display:flex;align-items:center;gap:22px;margin:24px 0;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--mint)}.project-credit>span{padding:7px 10px;border-radius:999px;background:var(--deep);color:var(--lime);font-size:.72rem;font-weight:800;letter-spacing:.12em}.project-credit strong{display:block;font-family:'Manrope';font-size:1.3rem}.project-credit p{margin:2px 0 0;color:var(--muted)}.prototype-note{padding:22px;border-radius:18px;background:var(--deep);color:white}.prototype-note p{margin:6px 0 0;color:#bfd0cc}
footer{display:flex;justify-content:space-between;padding:28px clamp(24px,6vw,92px);background:var(--deep);color:#aac1bb;font-size:.83rem}.toast{position:fixed;right:22px;bottom:22px;z-index:50;max-width:360px;padding:14px 18px;border-radius:12px;background:var(--ink);color:white;box-shadow:var(--shadow);transform:translateY(130%);transition:.3s}.toast.show{transform:translateY(0)}
@media(max-width:900px){.scan-layout{grid-template-columns:1fr;min-height:auto;padding-top:48px}.intro-panel h1{font-size:3.5rem}.scanner-card{max-width:680px;width:100%;margin:auto}.sample-grid,.category-grid{grid-template-columns:repeat(2,1fr)}.result-grid{grid-template-columns:1fr}.result-image-wrap{position:relative;top:0;min-height:380px}.result-image-wrap img{height:380px}}
@media(max-width:620px){.topbar{padding:10px 14px;align-items:flex-start}.brand{margin-top:4px}.brand span:last-child{display:none}nav{gap:2px;overflow-x:auto}.nav-link{padding:9px 10px;font-size:.82rem}.scan-layout{padding:38px 18px}.intro-panel h1{font-size:2.7rem}.impact-strip span{font-size:.72rem}.viewfinder,.viewfinder video,.viewfinder img{min-height:320px;height:320px}.scanner-actions,.correction-row{flex-direction:column}.section-heading{display:block}.samples{padding:10px 18px 65px}.sample-grid,.category-grid{grid-template-columns:1fr}.sample-card{min-height:90px}.result-shell,.content-page{padding:40px 18px 70px}.result-actions{flex-direction:column}.quiz-top{align-items:flex-start;gap:18px;flex-direction:column}.answers{grid-template-columns:1fr}.quiz-card{padding:24px 18px}.page-title h1{font-size:2.65rem}.project-credit{align-items:flex-start;flex-direction:column;gap:12px}footer{flex-direction:column;gap:6px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}