:root{--navy:#1b2350;--blue:#283472;--teal:#4fbfb7;--ink:#151a36;--slate:#5a6078;--mist:#f3f5f9;--line:#dfe3ea;--white:#fff;--max:1380px;--shadow:0 18px 44px rgba(27,35,80,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fff}a{color:inherit;text-decoration:none}button,input{font:inherit}.preview-ribbon{position:fixed;right:18px;bottom:18px;z-index:20;background:#fff;color:var(--navy);box-shadow:0 8px 30px rgba(0,0,0,.22);border-left:5px solid var(--teal);padding:10px 14px;font-size:11px;font-weight:800;letter-spacing:.1em}.preview-ribbon span{display:block;color:var(--slate);font-weight:500;letter-spacing:0}.announcement{background:var(--navy);color:#fff;text-align:center;padding:10px 20px;font-size:12px;letter-spacing:.05em}.site-header{height:92px;display:grid;grid-template-columns:170px 1fr auto;align-items:center;gap:36px;padding:0 clamp(22px,4vw,72px);border-bottom:1px solid rgba(27,35,80,.1);background:#fff;position:sticky;top:0;z-index:10}.brand img{display:block;width:138px;height:68px;object-fit:contain}.desktop-nav{display:flex;justify-content:center;gap:32px;font-size:14px;font-weight:650}.desktop-nav a{padding:35px 0 31px;border-bottom:3px solid transparent}.desktop-nav a:hover{border-color:var(--teal)}.header-actions{display:flex;align-items:center;gap:13px}.phone{font-size:13px;font-weight:700;color:var(--blue)}.icon-button,.menu-toggle{border:0;background:transparent;color:var(--navy);font-weight:700;cursor:pointer}.icon-button{padding:9px}.cart-button span{display:inline-grid;place-items:center;background:var(--teal);width:21px;height:21px;border-radius:50%;font-size:11px;margin-left:5px}.menu-toggle{display:none}.search-panel{padding:22px clamp(22px,6vw,100px);background:var(--mist);border-bottom:1px solid var(--line)}.search-panel label{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--slate)}.search-row{display:flex;gap:12px;margin-top:9px}.search-row input{flex:1;border:1px solid #ccd2de;border-radius:3px;padding:14px;background:#fff}.search-close{border:1px solid var(--navy);background:transparent;padding:0 22px;color:var(--navy);font-weight:700}.hero{min-height:650px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(27,35,80,.94) 0%,rgba(27,35,80,.78) 46%,rgba(27,35,80,.15) 100%),url("assets/gutterplus-hero-anthracite.jpg") center/cover no-repeat;color:#fff}.hero-inner{width:min(var(--max),100%);margin:auto;padding:88px clamp(26px,6vw,96px)}.eyebrow,.kicker{text-transform:uppercase;font-weight:800;letter-spacing:.14em;font-size:12px;color:var(--teal);margin:0 0 14px}.hero h1{font-size:clamp(48px,6vw,88px);line-height:.99;letter-spacing:-.055em;max-width:850px;margin:0 0 24px;font-family:Georgia,"Times New Roman",serif;font-weight:500}.hero-copy{font-size:19px;line-height:1.6;max-width:640px;margin:0 0 34px;color:rgba(255,255,255,.9)}.button-row{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;border:1px solid transparent;border-radius:3px;font-weight:750;font-size:14px;cursor:pointer}.button-primary{background:var(--teal);color:var(--navy);border-color:var(--teal)}.button-primary:hover{background:#69ccc4}.button-outline-light{color:#fff;border-color:#fff;background:transparent}.button-outline{color:var(--navy);border-color:var(--navy);background:transparent}.section{max-width:var(--max);margin:auto;padding:96px clamp(22px,4vw,64px)}.section-heading{max-width:680px;margin-bottom:42px}.section h2,.split-copy h2,.help h2{color:var(--blue);font-size:clamp(35px,4vw,58px);line-height:1.05;letter-spacing:-.04em;font-family:Georgia,"Times New Roman",serif;font-weight:500;margin:0 0 17px}.section-heading>p:last-child,.split-copy>p:not(.kicker),.help>p:not(.kicker){font-size:17px;line-height:1.65;color:var(--slate)}.system-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}.image-tile,.product-image{aspect-ratio:1;background:var(--mist);border-radius:6px;display:grid;place-items:center;overflow:hidden}.image-tile img,.product-image img{width:100%;height:100%;object-fit:contain;padding:17px;transition:transform .35s ease}.system-card:hover img,.product-card:hover img{transform:scale(1.04)}.system-card h3{font-size:17px;margin:18px 0 7px;color:var(--blue)}.system-card p{min-height:38px;color:var(--slate);font-size:13px;line-height:1.45;margin:0 0 13px}.system-card a{font-weight:800;font-size:13px;color:var(--blue)}.system-card a span{color:var(--teal);font-size:18px}.split-section{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;min-height:630px}.finishes{background:var(--mist)}.split-media{min-height:580px}.split-media img{width:100%;height:100%;object-fit:cover}.split-copy{padding:clamp(54px,8vw,110px);display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.split-copy p{max-width:560px}.swatches{display:flex;flex-direction:column;gap:10px;margin-top:16px;width:100%;max-width:430px}.swatch{display:flex;align-items:center;gap:12px;background:white;border:1px solid var(--line);padding:13px;cursor:pointer;text-align:left;color:var(--ink)}.swatch:hover{border-color:var(--teal)}.swatch i{display:block;width:30px;height:30px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.15)}.swatch .black{background:#111}.swatch .anthracite{background:#383c42}.featured{padding-top:108px;padding-bottom:108px}.featured-header{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}.featured-header h2{margin-bottom:0}.text-link{font-weight:800;color:var(--blue);font-size:14px;border-bottom:1px solid var(--blue);padding-bottom:5px}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:34px 22px}.product-image{border:0;width:100%;cursor:pointer}.product-system{text-transform:uppercase;font-size:10px;letter-spacing:.1em;font-weight:800;color:var(--slate);margin:14px 0 7px}.product-card h3{font-size:15px;line-height:1.4;margin:0;color:var(--blue);font-weight:650}.price{font-weight:800;margin:8px 0}.no-results{text-align:center;color:var(--slate);padding:36px}.about .split-copy{order:1}.about .split-media{order:2}.help{background:var(--navy);color:#fff;text-align:center;padding:95px 24px}.help h2{color:#fff}.help p{max-width:620px;margin:0 auto 30px;color:rgba(255,255,255,.8)}.centre{justify-content:center}.kicker.light{color:var(--teal)}footer{background:#111733;color:#fff;padding:72px clamp(24px,6vw,90px);display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:50px}footer img{width:150px;filter:grayscale(.2);opacity:.92}footer h3{font-family:Georgia,serif;font-size:20px;margin:0 0 18px}footer p{color:rgba(255,255,255,.65);font-size:13px;line-height:1.65;max-width:350px}footer a{display:block;color:rgba(255,255,255,.78);font-size:13px;margin:0 0 11px}.footer-phone{color:var(--teal);font-weight:800;font-size:17px}dialog{width:min(960px,calc(100% - 32px));border:0;border-radius:6px;padding:0;box-shadow:var(--shadow)}dialog::backdrop{background:rgba(9,13,32,.75)}.dialog-close{position:absolute;right:16px;top:12px;border:0;background:#fff;border-radius:50%;width:38px;height:38px;font-size:26px;cursor:pointer;z-index:2}.dialog-grid{display:grid;grid-template-columns:1.08fr .92fr}.dialog-image{background:var(--mist);min-height:540px;display:grid;place-items:center}.dialog-image img{width:85%;height:85%;object-fit:contain}.dialog-copy{padding:60px 45px}.dialog-copy h2{font-family:Georgia,serif;color:var(--blue);font-size:36px;line-height:1.1;margin:0 0 15px}.dialog-copy>p{color:var(--slate);line-height:1.55}.dialog-copy .dialog-price{font-size:23px;color:var(--ink);font-weight:800}.dialog-copy .lead-time{color:#23805f;font-weight:700;font-size:13px}.dialog-copy fieldset{border:0;padding:12px 0;margin:18px 0}.dialog-copy legend{font-weight:800;font-size:13px;margin-bottom:10px}.dialog-copy label{display:block;border:1px solid var(--line);padding:11px;margin:8px 0;font-size:13px}.buy-row{display:grid;grid-template-columns:78px 1fr;gap:10px}.buy-row input{width:100%;border:1px solid var(--line);text-align:center}.dialog-copy small{display:block;color:var(--slate);margin-top:10px}.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);background:var(--navy);color:#fff;padding:13px 20px;border-radius:3px;opacity:0;pointer-events:none;transition:.25s;z-index:30;box-shadow:var(--shadow)}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1050px){.desktop-nav{display:none}.site-header{grid-template-columns:150px 1fr}.header-actions{justify-content:end}.menu-toggle{display:inline}.system-grid{grid-template-columns:repeat(3,1fr)}.product-grid{grid-template-columns:repeat(3,1fr)}footer{grid-template-columns:1.4fr 1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:760px){.announcement{font-size:10px}.site-header{height:76px;padding:0 18px;grid-template-columns:110px 1fr}.brand img{width:98px;height:58px}.phone,.search-toggle{display:none}.hero{min-height:590px;background:linear-gradient(90deg,rgba(27,35,80,.94),rgba(27,35,80,.57)),url("assets/gutterplus-hero-anthracite.jpg") 66% center/cover}.hero-inner{padding:64px 22px}.hero h1{font-size:49px}.hero-copy{font-size:16px}.section{padding:72px 20px}.system-grid{grid-template-columns:repeat(2,1fr);gap:28px 14px}.system-card p{display:none}.split-section{grid-template-columns:1fr}.split-media{min-height:420px}.split-copy{padding:62px 25px}.finishes .split-media{min-height:390px}.featured-header{align-items:flex-start;flex-direction:column}.product-grid{grid-template-columns:repeat(2,1fr);gap:30px 13px}.about .split-copy,.about .split-media{order:initial}.help{padding:72px 22px}footer{grid-template-columns:1fr 1fr;padding:55px 25px;gap:38px 24px}.footer-brand{grid-column:1/-1}.dialog-grid{grid-template-columns:1fr}.dialog-image{min-height:300px}.dialog-copy{padding:35px 24px}.dialog-copy h2{font-size:30px}.preview-ribbon{right:8px;bottom:8px}.menu-toggle{font-size:12px}.cart-button{font-size:0}.cart-button span{font-size:11px}.button{width:100%}.button-row{width:100%}}