:root{--brand: #20395a;--brand-deep: #142a45;--brand-hover: #172c47;--accent: #569739;--accent-ink: #3e7a28;--accent-light: #8dc63f;--paper: #ffffff;--soft: #f6f8f4;--ink: #15253b;--text: #2c3644;--muted: #58687a;--line: #e2e6e0;--line-strong: #d3d9d0;--on-brand: #fff;--on-brand-muted: #b9c6d6;--on-accent: #102016;--sans: "Source Sans 3", "Segoe UI", system-ui, sans-serif;--max: 1200px;--gutter: clamp(20px, 4.5vw, 56px);--section: clamp(80px, 9vw, 128px);--radius: 10px;--overlap: clamp(120px, 16vw, 240px);--shadow: 0 1px 2px rgba(21, 37, 59, .06), 0 24px 48px -28px rgba(21, 37, 59, .32);--shadow-lg: 0 2px 4px rgba(10, 22, 38, .08), 0 40px 80px -30px rgba(10, 22, 38, .45);color:var(--text);background:var(--paper);font-family:var(--sans);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:auto;scroll-padding-top:96px}*{box-sizing:border-box}body{margin:0;min-width:320px}img{display:block;max-width:100%;height:auto}a{color:inherit}h1,h2,h3{margin:0;color:var(--ink);font-weight:700;text-wrap:balance}p{margin:0;text-wrap:pretty}ul,ol,dl,dd{margin:0;padding:0}figure{margin:0}[hidden]{display:none!important}::selection{color:var(--on-brand);background:var(--brand)}:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}main:focus{outline:none}.wrap{width:min(calc(100% - var(--gutter) * 2),var(--max));margin-inline:auto}.skip-link{position:fixed;top:12px;left:12px;z-index:50;padding:10px 16px;background:var(--paper);color:var(--brand);font-weight:600;transform:translateY(-200%)}.skip-link:focus{transform:none}h1{font-size:clamp(2.5rem,1.4rem + 3.6vw,4.4rem);line-height:1.04;letter-spacing:-.03em}.section-title{font-size:clamp(1.9rem,1.35rem + 1.6vw,2.75rem);line-height:1.12;letter-spacing:-.022em}h3{font-size:clamp(1.4rem,1.15rem + .7vw,1.8rem);line-height:1.2;letter-spacing:-.014em}.lead{font-size:clamp(1.08rem,1rem + .3vw,1.25rem);line-height:1.6}.section-head{display:flex;flex-direction:column;gap:16px;max-width:44rem;margin-bottom:clamp(44px,5.5vw,72px)}.section-head p{color:var(--muted);font-size:1.08rem}.actions{display:flex;flex-wrap:wrap;gap:12px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:8px;border:1px solid var(--brand);background:var(--brand);color:var(--on-brand);font-weight:600;text-decoration:none;white-space:nowrap;transition:background .15s,border-color .15s,color .15s}.button:hover{background:var(--brand-hover);border-color:var(--brand-hover)}.button-small{min-height:40px;padding:0 16px;font-size:.94rem}.button-secondary{background:var(--paper);color:var(--brand);border-color:var(--line-strong)}.button-secondary:hover{background:var(--soft);border-color:var(--brand)}.button-accent{background:var(--accent-light);border-color:var(--accent-light);color:var(--on-accent)}.button-accent:hover{background:#9fd456;border-color:#9fd456}.button-ghost{background:transparent;color:#fff;border-color:#fff6}.button-ghost:hover{background:#ffffff14;border-color:#fff}.link-arrow{font-weight:600;color:var(--brand);text-decoration:none}.link-arrow:after{content:" →"}.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}.link-quiet{font-weight:600;text-decoration:none;color:var(--brand)}.link-quiet:hover{text-decoration:underline;text-underline-offset:4px}.site-header{position:sticky;top:0;z-index:30;background:#fffffff5;-webkit-backdrop-filter:saturate(1.4) blur(8px);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:36px;min-height:72px}.logo{flex:0 0 auto}.logo img{width:150px}.nav{display:flex;gap:30px;margin-left:auto}.nav a{text-decoration:none;color:var(--text);font-weight:600;font-size:.97rem}.nav a:hover{color:var(--accent-ink)}.header-actions{display:flex;align-items:center;gap:22px}.menu{display:none;position:relative}.menu>summary{list-style:none;cursor:pointer;display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:8px}.menu>summary::-webkit-details-marker{display:none}.menu-icon,.menu-icon:before,.menu-icon:after{display:block;width:18px;height:2px;background:var(--ink);border-radius:1px}.menu-icon{position:relative}.menu-icon:before,.menu-icon:after{content:"";position:absolute;left:0}.menu-icon:before{top:-6px}.menu-icon:after{top:6px}.menu[open] .menu-icon{background:transparent}.menu[open] .menu-icon:before{top:0;transform:rotate(45deg)}.menu[open] .menu-icon:after{top:0;transform:rotate(-45deg)}.menu nav{position:absolute;right:0;top:calc(100% + 10px);min-width:220px;display:flex;flex-direction:column;padding:8px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.menu nav a{padding:12px 14px;border-radius:6px;text-decoration:none;font-weight:600;color:var(--ink)}.menu nav a:hover{background:var(--soft)}.hero{padding-block:clamp(64px,8vw,112px) calc(var(--overlap) + clamp(40px,5vw,64px));background:var(--brand-deep);color:var(--on-brand-muted)}.hero h1{color:#fff}.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,5vw,72px);align-items:end}.hero-side{display:flex;flex-direction:column;gap:28px}.hero-facts{list-style:none;display:flex;flex-wrap:wrap;gap:10px 36px;margin-top:clamp(40px,5vw,64px);padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:.98rem;color:#dbe4ee}.hero-facts li{position:relative;padding-left:18px}.hero-facts li:before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-top:2px solid var(--accent-light);border-right:2px solid var(--accent-light)}.hero-shot{position:relative;margin-top:calc(var(--overlap) * -1)}.app-frame{overflow:hidden;border-radius:12px;background:#fff;box-shadow:var(--shadow-lg);border:1px solid rgba(20,42,69,.18)}.app-bar{display:flex;align-items:center;gap:7px;height:38px;padding:0 16px;background:#eef1f4;border-bottom:1px solid #dde2e7}.app-bar span{width:10px;height:10px;border-radius:50%;background:#cfd6dd}.app-bar p{margin-left:14px;padding:3px 14px;border-radius:6px;background:#fff;font-size:.78rem;color:var(--muted)}.app-frame a{display:block}.app-frame img{width:100%}.hero-shot figcaption{max-width:52rem}.frame{display:block;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.frame img{width:100%}figcaption{margin-top:14px;font-size:.92rem;color:var(--muted)}.workflow{padding-block:clamp(72px,8vw,112px) var(--section)}.workflow .section-title{margin-bottom:clamp(36px,4vw,56px)}.stages{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0 28px}.stage{display:flex;flex-direction:column;gap:10px;padding-top:20px;border-top:2px solid var(--line-strong)}.stage:first-child{border-top-color:var(--accent)}.stage-no{font-size:.86rem;font-weight:600;color:var(--accent-ink);font-variant-numeric:tabular-nums}.stage h3{font-size:1.22rem;letter-spacing:-.01em}.stage p{font-size:.98rem;color:var(--muted)}.features{padding-block:var(--section);border-top:1px solid var(--line)}.feature{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(36px,6vw,88px);align-items:center}.feature+.feature{margin-top:clamp(80px,10vw,136px)}.feature-reverse{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}.feature-reverse .feature-copy{order:2}.feature-copy{display:flex;flex-direction:column;gap:18px}.feature-copy>p{color:var(--muted)}.feature-wide{grid-template-columns:minmax(0,6fr) minmax(0,6fr);align-items:start;row-gap:clamp(36px,4vw,52px)}.feature-wide .feature-shot{grid-column:1 / -1}.checks{list-style:none;display:flex;flex-direction:column;gap:10px}.checks li{position:relative;padding-left:28px}.checks li:before{content:"";position:absolute;left:3px;top:.5em;width:11px;height:6px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}.views{display:flex;flex-direction:column;border-top:1px solid var(--line)}.views>div{display:grid;grid-template-columns:9.5rem minmax(0,1fr);gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}.views dt{font-weight:600;color:var(--ink)}.views dd{color:var(--muted)}.register{list-style:none;counter-reset:doc;border-top:1px solid var(--line)}.register li{counter-increment:doc;padding:9px 0;border-bottom:1px solid var(--line)}.register li:before{content:counter(doc);display:inline-block;width:1.7em;color:var(--accent-ink);font-weight:600;font-variant-numeric:tabular-nums}.rules{padding-block:var(--section);background:var(--soft);border-block:1px solid var(--line)}.rules-inner{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(36px,6vw,88px);align-items:start}.rules .section-head{margin-bottom:0;position:sticky;top:120px}.spec{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}.spec>div{padding:22px 0;border-top:1px solid var(--line-strong)}.spec dt{font-weight:700;color:var(--ink);font-size:1.08rem}.spec dd{margin-top:6px;color:var(--muted);font-size:.98rem}.materials{padding-block:var(--section);background:var(--brand-deep);color:var(--on-brand-muted)}.materials .section-title{color:#fff}.materials .section-head p{color:var(--on-brand-muted)}.material-list{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.material{display:flex;flex-direction:column;gap:12px;padding:28px 24px 30px;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);background:#ffffff08}.material svg{width:44px;height:44px;margin-bottom:8px;fill:none;stroke:#8fa3ba;stroke-width:2;stroke-linejoin:round}.material[data-material=upvc]{border-color:#8dc63f80;background:#8dc63f0f}.material[data-material=upvc] svg{stroke:var(--accent-light)}.material h3{color:#fff;font-size:1.2rem;letter-spacing:-.01em}.material p{font-size:.98rem}.status{align-self:flex-start;padding:3px 10px;border-radius:999px;font-size:.8rem;font-weight:600;color:#c7d2df;border:1px solid rgba(255,255,255,.2)}.status-live{color:var(--on-accent);background:var(--accent-light);border-color:var(--accent-light)}.pricing{padding-block:var(--section)}.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}.plan{display:flex;flex-direction:column;gap:16px;padding:32px 28px;border:1px solid var(--line);border-radius:12px;background:#fff}.plan-featured{border:2px solid var(--brand);box-shadow:var(--shadow);padding:31px 27px}.plan h3{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:1.45rem}.plan-status{padding:2px 8px;border:1px solid var(--line-strong);border-radius:999px;background:var(--soft);color:var(--brand);font-size:.75rem;font-weight:600;white-space:nowrap}.plan-for{color:var(--muted);min-height:3.2em;font-size:.98rem}.plan-price{display:flex;align-items:baseline;gap:8px}.plan-price .amount{font-size:2.5rem;font-weight:700;letter-spacing:-.025em;color:var(--ink);font-variant-numeric:tabular-nums}.plan-price .per{color:var(--muted)}.plan-cta{width:100%}.plan .checks{flex:1;gap:9px;padding-top:20px;border-top:1px solid var(--line);font-size:.97rem}.plan .checks li:first-child{font-weight:600}.plan .link-arrow{margin-top:6px;font-size:.96rem}.comparison{margin-top:32px;border:1px solid var(--line);border-radius:12px}.comparison>summary{list-style:none;cursor:pointer;padding:18px 24px;font-weight:600;color:var(--brand);display:flex;justify-content:space-between;align-items:center}.comparison>summary::-webkit-details-marker{display:none}.comparison>summary:after{content:"+";font-size:1.4rem;line-height:1;color:var(--muted)}.comparison[open]>summary:after{content:"−"}.comparison[open]>summary{border-bottom:1px solid var(--line)}.table-scroll{overflow-x:auto}.comparison table{width:100%;min-width:640px;border-collapse:collapse;font-size:.96rem}.comparison caption{text-align:left;padding:16px 24px 6px;font-weight:600;color:var(--muted)}.comparison th,.comparison td{padding:12px 24px;text-align:left;border-bottom:1px solid var(--line)}.comparison thead th{color:var(--ink);border-bottom:2px solid var(--ink)}.comparison tbody th{font-weight:400;color:var(--text)}.comparison tbody tr:hover{background:var(--soft)}.comparison td{width:18%;color:var(--muted)}.table-note{padding:14px 24px 18px;font-size:.9rem;color:var(--muted)}.faq{padding-block:var(--section);background:var(--soft);border-top:1px solid var(--line)}.faq-inner{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(36px,6vw,88px);align-items:start}.faq-head{display:flex;flex-direction:column;gap:14px;position:sticky;top:120px}.faq-head p{color:var(--muted)}.faq-head a{color:var(--brand);font-weight:600}.faq-list{border-top:1px solid var(--line-strong)}.faq-list details{border-bottom:1px solid var(--line-strong)}.faq-list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;padding:20px 0;font-weight:600;font-size:1.08rem;color:var(--ink)}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";font-size:1.4rem;line-height:1;color:var(--muted)}.faq-list details[open] summary:after{content:"−"}.faq-list details p{padding:0 40px 22px 0;color:var(--muted)}.contact{padding-block:clamp(72px,8vw,112px);background:var(--brand-deep);color:var(--on-brand-muted)}.contact-inner{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(36px,6vw,88px);align-items:center}.contact-copy{display:flex;flex-direction:column;gap:18px}.contact h2{color:#fff;font-size:clamp(1.9rem,1.35rem + 1.7vw,2.8rem);line-height:1.12;letter-spacing:-.022em}.contact-copy p{max-width:36em;font-size:1.1rem}.contact .actions{margin-top:10px}.contact-list{padding:28px;border:1px solid rgba(255,255,255,.14);border-radius:12px}.contact-list h3{color:#fff;font-size:1.05rem;margin-bottom:14px}.contact-list ul{list-style:none;display:flex;flex-direction:column;gap:10px}.contact-list li{position:relative;padding-left:24px}.contact-list li:before{content:"";position:absolute;left:2px;top:.5em;width:10px;height:5px;border-left:2px solid var(--accent-light);border-bottom:2px solid var(--accent-light);transform:rotate(-45deg)}.contact :focus-visible{outline-color:var(--accent-light)}.site-footer{padding-block:56px 36px;border-top:1px solid var(--line)}.footer-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px 64px}.footer-brand{display:flex;flex-direction:column;gap:14px;max-width:22rem}.footer-brand .logo img{width:140px}.footer-brand p{color:var(--muted);font-size:.95rem}.footer-nav{display:flex;gap:64px}.footer-nav div{display:flex;flex-direction:column;gap:10px}.footer-nav h2{font-size:.82rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}.footer-nav a{text-decoration:none;color:var(--text);font-weight:600;font-size:.96rem}.footer-nav a:hover{color:var(--accent-ink)}.legal{grid-column:1 / -1;padding-top:22px;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted)}.preview-controls{position:fixed;right:16px;bottom:16px;z-index:40;max-width:340px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);font-size:.9rem;display:flex;flex-direction:column;gap:10px}.quiet-button{font:inherit;font-weight:600;padding:8px 12px;border:1px solid var(--brand);border-radius:6px;background:none;color:var(--brand);cursor:pointer}@media(max-width:1080px){.stages{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 28px}.material-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:960px){.nav{display:none}.menu{display:block}.header-actions{margin-left:auto;gap:16px}.hero-grid,.rules-inner,.faq-inner,.contact-inner{grid-template-columns:minmax(0,1fr)}.rules .section-head,.faq-head{position:static}.feature,.feature-reverse,.feature-wide{grid-template-columns:minmax(0,1fr)}.feature-reverse .feature-copy{order:0}.plans{grid-template-columns:minmax(0,1fr);max-width:560px}.plan-for{min-height:0}}@media(max-width:680px){:root{font-size:16px;scroll-padding-top:80px;--overlap: 72px}.header-inner{min-height:64px;gap:16px}.logo img{width:128px}.hero-facts{flex-direction:column}.app-bar{height:28px;padding:0 10px;gap:5px}.app-bar span{width:7px;height:7px}.app-bar p{display:none}.stages,.spec,.material-list{grid-template-columns:minmax(0,1fr)}.views>div{grid-template-columns:minmax(0,1fr);gap:2px}.footer-inner{grid-template-columns:minmax(0,1fr)}.footer-nav{gap:48px}}@media(max-width:420px){#header-signin{display:none}.header-actions .button-small{padding:0 12px}}