:root{--green:#183f3b;--ink:#153331;--lime:#d8f77a;--muted:#526764;--line:#dce4e0;--wash:#f2f6f3;font-family:Arial,Helvetica,sans-serif;color:var(--ink);font-size:16px;scroll-behavior:smooth}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a{touch-action:manipulation;outline-offset:4px}nav{padding:24px 6%;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{font-size:27px;font-weight:800;letter-spacing:-1px}.brand span{color:#627f2b}nav div{display:flex;gap:30px;font-size:14px;font-weight:700}main{max-width:1500px;margin:auto}.hero{background:var(--green);color:white;padding:72px 6% 75px;display:grid;grid-template-columns:1.2fr 1fr;gap:7%;align-items:center}.eyebrow{font-size:12px;letter-spacing:1.5px;font-weight:800;text-transform:uppercase;line-height:1.5;margin:0 0 22px}h1{font-size:clamp(42px,5.5vw,80px);letter-spacing:-3.4px;line-height:1.01;font-weight:800;margin:0 0 28px}h1 em{font-style:normal;color:var(--lime)}.lead{font-size:20px;line-height:1.55;max-width:470px;margin-bottom:28px}.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;font-size:14px}.button{display:inline-flex;align-items:center;justify-content:center;padding:16px 22px;border-radius:7px;font-size:15px;font-weight:800;border:0;cursor:pointer;min-height:49px}.lime{background:var(--lime);color:#17312b}.dark{background:var(--green);color:white}.button:hover{filter:brightness(.95)}.small{font-size:13px;line-height:1.7}.hero-note{color:#c2d9cf;margin-top:23px}.hero-card{background:#fff;color:var(--ink);padding:28px;border-radius:12px;box-shadow:16px 18px 0 rgba(0,0,0,.12);transform:rotate(1deg)}.card-top{display:flex;align-items:center;justify-content:space-between;font-size:10px;font-weight:800;letter-spacing:1.1px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:24px}.card-top b{font-size:18px;letter-spacing:0}.match-title{font-size:26px;font-weight:800;letter-spacing:-.6px}.match-meta{font-size:13px;color:var(--muted);margin:9px 0 24px}.minute-row{display:flex;align-items:center;gap:15px;margin:17px 0;font-size:14px}.minute-row span{width:53px;font-weight:700}.minute-row div{height:9px;background:#edf1ee;flex:1;border-radius:5px}.minute-row i{display:block;height:100%;width:62.5%;background:var(--green);border-radius:5px}.minute-row b{font-size:12px}.sample-total{border-top:1px solid var(--line);padding:18px 0;font-size:13px;margin-top:20px}.change-card{background:#edf4e4;padding:18px;border-radius:6px}.change-card>span{font-size:10px;font-weight:800;letter-spacing:1px}.change-card div{display:flex;gap:15px;margin-top:14px;align-items:baseline}.change-card small{font-size:12px;min-width:83px}.change-card b{font-size:13px}.sample-caption{font-size:11px;color:var(--muted);margin:15px 0 0}.benefits{padding:44px 6%;display:grid;grid-template-columns:repeat(3,1fr);gap:45px;border-bottom:1px solid var(--line)}.benefits span{font-size:12px;font-weight:800;color:#6b7a4b}.benefits h2{font-size:21px;letter-spacing:-.5px;margin:15px 0 10px}.benefits p{font-size:15px;color:var(--muted);line-height:1.65;margin:0}.demo-section{padding:75px 6%;background:var(--wash)}.section-heading{display:flex;justify-content:space-between;gap:50px;align-items:flex-end;margin-bottom:35px}h2{font-size:42px;letter-spacing:-1.7px;line-height:1.1;margin:0 0 22px}.section-heading>p{font-size:16px;line-height:1.65;max-width:405px;color:var(--muted);margin-bottom:22px}.demo{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden}.demo form{display:flex;gap:20px;align-items:end;flex-wrap:wrap;padding:24px;background:#e6eeea;border-bottom:1px solid var(--line)}label{display:block;font-weight:700;font-size:13px;margin-bottom:8px}input,select{border:1px solid #97aaa2;border-radius:5px;background:white;padding:12px;max-width:160px;width:100%;color:var(--ink);min-height:46px}.demo-note{font-size:12px;line-height:1.6;margin:0 0 4px;color:var(--muted)}#demoResult{padding:25px;display:grid;grid-template-columns:1fr 1.5fr;gap:40px}#demoResult h3{font-size:16px;margin:0 0 16px}.demo-time{font-size:31px;font-weight:800;letter-spacing:-1px;display:block;margin-bottom:6px}.demo-balance{font-size:13px;line-height:1.6;color:var(--muted);margin-bottom:20px}.demo-minutes{display:flex;flex-wrap:wrap;gap:8px}.demo-minutes span{background:var(--wash);padding:8px 10px;border:1px solid var(--line);font-size:12px;border-radius:4px}.demo-table{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;padding:8px 8px 10px;color:var(--muted);font-size:11px;text-transform:uppercase;border-bottom:1px solid var(--line)}td{padding:11px 8px;border-bottom:1px solid var(--line);line-height:1.55}td:first-child{white-space:nowrap;font-weight:700}.demo-caption{font-size:12px;color:var(--muted);margin:14px 0 0}.under-demo{font-size:13px;color:var(--muted);line-height:1.5;margin:17px 0 0}#demoError{color:#843b24;padding:0 24px;line-height:1.6}.kit-section{padding:85px 6%;display:grid;grid-template-columns:1.35fr 1fr;gap:12%;align-items:center}.kit-section>div>p{max-width:530px;line-height:1.7;color:var(--muted)}.features{list-style:none;padding:0;margin:24px 0}.features li{border-bottom:1px solid var(--line);padding:14px 0 14px 25px;line-height:1.5;font-size:15px;position:relative}.features li:before{content:'✓';position:absolute;left:0;color:var(--green);font-weight:700}.kit-section .compatibility{font-size:13px;line-height:1.7;margin-top:24px}.price-card{background:var(--green);color:white;padding:35px;border-radius:10px}.price-card .eyebrow{font-size:11px;color:var(--lime)}.price{font-size:78px;font-weight:800;letter-spacing:-3px;line-height:1.1;margin:20px 0}.price span{display:block;font-size:14px;letter-spacing:0;font-weight:400;color:#d7e5df;margin-top:8px}.price-card>p{font-size:15px;line-height:1.6;color:#d7e5df}.price-card .button{width:100%;margin:10px 0}.checkout:disabled{background:#d6dfd2;color:#33453b;cursor:default}.price-card .checkout-status{font-size:12px;line-height:1.5}.price-bottom{font-size:13px;line-height:1.6;margin-top:25px;border-top:1px solid #58766e;padding-top:20px;color:#d7e5df}.faq{padding:65px 6%;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.6fr;gap:10%}details{border-bottom:1px solid var(--line);padding:20px 0}summary{font-weight:700;font-size:16px;line-height:1.4;cursor:pointer}details p{font-size:15px;line-height:1.7;color:var(--muted);margin:15px 0 0}footer{padding:35px 6%;border-top:1px solid var(--line);display:flex;align-items:center;gap:25px;flex-wrap:wrap;font-size:13px;line-height:1.5}footer p{color:var(--muted)}footer>a:last-of-type{margin-left:auto;text-decoration:underline}footer details{width:100%;padding:10px 0;border:0}footer summary{font-size:12px}footer details p{font-size:12px;max-width:750px}section[id]{scroll-margin-top:24px}@media(min-width:1500px){nav,footer{padding-left:calc((100vw - 1320px)/2);padding-right:calc((100vw - 1320px)/2)}}@media(max-width:950px){.hero{padding:55px 5%;gap:6%}h1{font-size:53px;letter-spacing:-2px}.hero-card{padding:22px}.hero-actions{gap:16px}.benefits{gap:25px}h2{font-size:35px}.section-heading{gap:25px}.kit-section{gap:7%}.price-card{padding:25px}#demoResult{gap:22px}.demo-note{width:100%}}@media(max-width:700px){nav{padding:20px}.brand{font-size:24px}nav div{gap:16px;font-size:12px}.hero{grid-template-columns:1fr;padding:45px 22px;gap:32px}h1{font-size:53px;letter-spacing:-2.8px}.lead{font-size:18px}.hero-card{max-width:480px;width:100%;margin:0 auto;transform:none;box-shadow:7px 8px 0 rgba(0,0,0,.12)}.benefits{grid-template-columns:1fr;padding:35px 22px;gap:25px}.benefits div{border-bottom:1px solid var(--line);padding-bottom:18px}.benefits div:last-child{border:0;padding-bottom:0}.benefits h2{display:inline-block;margin:0 0 8px 15px}.demo-section{padding:45px 20px}.section-heading{display:block}.section-heading>p{margin:0 0 25px}h2{font-size:35px}.eyebrow{font-size:11px;margin-bottom:17px}.demo form{padding:18px;gap:15px}.demo form>div{flex:1;min-width:110px}input,select{max-width:none}.demo form .button{width:100%}#demoResult{display:block;padding:18px}.demo-table{margin-top:24px}.kit-section{grid-template-columns:1fr;padding:48px 22px;gap:25px}.price-card{max-width:450px;width:100%}.faq{grid-template-columns:1fr;padding:45px 22px;gap:8px}footer{padding:26px 22px;display:block}footer>a{display:block;margin:14px 0}footer .brand{margin:0}summary{font-size:15px}}@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}}
/* Mobile app launch: retain the BenchBrief palette and the original live maths demo. */
nav .nav-app{background:var(--green);color:white;padding:12px 17px;border-radius:8px;margin:-12px 0}.hero{grid-template-columns:1.15fr .85fr;gap:8%;padding-top:64px;padding-bottom:64px}.hero-body{max-width:450px;font-size:17px;line-height:1.7;color:#d7e7db;margin:0 0 30px}.phone-preview{max-width:290px;margin:0 auto;width:100%;text-align:center}.phone-preview img{display:block;width:100%;height:auto;border-radius:27px;border:7px solid #102e29;box-shadow:0 18px 45px #092e2266}.phone-preview p{font-size:12px;color:#d2e4d8;line-height:1.5;margin:12px 0 0}.price-card .checkout{font-size:14px;min-height:45px}.eyebrow{font-size:13px}.demo-note,.demo-caption,.checkout-status,.sample-caption,.small,.compatibility,.under-demo,footer details p{font-size:14px!important}.price-bottom{font-size:14px}.features li,.benefits p{font-size:16px}@media(max-width:700px){.hero{grid-template-columns:1fr;padding:42px 22px;gap:35px}.phone-preview{max-width:260px}.hero h1{font-size:clamp(43px,12vw,62px)}.hero-body{font-size:16px}nav div{font-size:14px;gap:20px}.benefits h2{display:block;margin:12px 0}.benefits span{font-size:13px}.faq .button{margin-bottom:24px}}@media(max-width:360px){nav .brand{font-size:22px}nav div{gap:14px}nav .nav-app{padding:10px}.hero h1{letter-spacing:-2px}h2{font-size:32px}}