:root{--frost:#E8EDF0;--paper:#F5F7F8;--slate:#1F3040;--alu:#AEB9C2;--green:#2F6B5E;--green-d:#25564B;--line:#C9D2D8;--r:3px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font:400 17px/1.65 "IBM Plex Sans",system-ui,Arial,sans-serif;background:var(--frost);color:var(--slate)}
h1,h2,h3,.brand{font-family:"Familjen Grotesk","Helvetica Neue",Arial,sans-serif;line-height:1.1;letter-spacing:-.02em}
a{color:inherit}
.wrap{width:min(1280px,100% - 48px);margin:0 auto}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}
:focus-visible{outline:3px solid var(--green);outline-offset:3px}
h2{font-size:clamp(2rem,3.6vw,3rem);margin-bottom:24px}
h3{font-size:1.25rem;margin-bottom:8px}
p+p{margin-top:16px}
.btn{display:inline-block;background:var(--green);color:#fff;border:2px solid var(--green);padding:14px 26px;font:600 1rem "Familjen Grotesk",sans-serif;text-decoration:none;border-radius:var(--r);cursor:pointer;transition:background .2s,transform .2s}
.btn:hover{background:var(--green-d);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--slate);border-color:var(--slate)}.btn.ghost:hover{background:var(--slate);color:#fff}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--frost);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:1.2rem;text-decoration:none}
.mark{width:22px;height:22px;border:5px solid var(--slate);box-shadow:inset 0 0 0 3px var(--frost),inset 0 0 0 5px var(--green)}
nav{display:flex;align-items:center;gap:32px}
nav a{text-decoration:none;font-weight:500;position:relative}
nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:-4px;width:100%;height:2px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .25s}
nav a:hover::after{transform:scaleX(1)}
.nav-cta{background:var(--slate);color:#fff;padding:10px 20px;border-radius:var(--r);transition:background .2s}.nav-cta:hover{background:var(--green)}
.menu-btn{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.menu-btn span{position:absolute;left:10px;right:10px;height:2px;background:var(--slate);transition:transform .25s}
.menu-btn span:first-child{top:16px}.menu-btn span:last-child{top:26px}
.menu-btn[aria-expanded=true] span:first-child{transform:translateY(5px) rotate(45deg)}
.menu-btn[aria-expanded=true] span:last-child{transform:translateY(-5px) rotate(-45deg)}
/* hero */
.hero{padding:88px 0 96px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
.tag{display:inline-block;border-left:4px solid var(--green);padding-left:12px;font-weight:500;margin-bottom:28px}
h1{font-size:clamp(2.8rem,6.2vw,5.4rem);font-weight:700;margin-bottom:28px}
.lead{font-size:1.2rem;max-width:34em;margin-bottom:36px}
.actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--slate)}
.facts div{padding:18px 18px 0 0}.facts dt{font:600 .95rem "Familjen Grotesk";margin-bottom:4px}.facts dd{font-size:.92rem;line-height:1.45;color:#46586A}
.drawing{background:var(--paper);border:1px solid var(--line);padding:16px;border-radius:var(--r)}
.drawing svg{width:100%;height:auto;display:block}
.drawing .grid path{stroke:var(--line);stroke-width:1;fill:none}
.drawing .dim path,.drawing .leader{stroke:var(--green);stroke-width:1.5;fill:none}
.drawing text{font:600 14px "Familjen Grotesk",sans-serif;fill:var(--green)}.drawing .cap{font:400 12px "IBM Plex Sans";fill:#46586A}
.frame{fill:var(--alu);stroke:var(--slate);stroke-width:3}.inner{fill:none;stroke:var(--slate);stroke-width:2.5}
.sash{fill:#dfe8ec;stroke:var(--slate);stroke-width:2}.pin{fill:var(--slate)}
.drawing .frame,.drawing .inner,.drawing .sash,.drawing .dim path,.drawing .leader{stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 2.2s .2s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.strip{background:var(--slate);color:#E8EDF0}
.strip-in{display:flex;justify-content:space-between;gap:12px 32px;flex-wrap:wrap;padding:20px 0;font-size:.95rem}
/* about */
.about{padding:110px 0 100px}
.about-grid{display:grid;grid-template-columns:1.3fr .8fr;gap:80px;align-items:start}
.panel{background:var(--slate);color:#E8EDF0;padding:36px;border-radius:var(--r)}
.panel h3{margin-bottom:20px;color:#fff}.panel li{list-style:none;padding:14px 0;border-top:1px solid #3a4e60;font-size:.97rem}
.panel b{display:block;font-weight:500;color:var(--alu);font-size:.85rem}.panel a{color:#fff}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);margin-top:80px;border-top:1px solid var(--slate)}
.pillars div{padding:28px 32px 0 0}.pillars div+div{padding-left:32px;border-left:1px solid var(--line)}
/* services */
.services{background:var(--paper);padding:110px 0;border-block:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end;margin-bottom:56px}.sec-head h2{margin:0}
details{border-top:1px solid var(--slate)}details:last-child{border-bottom:1px solid var(--slate)}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:28px 8px;font:600 clamp(1.4rem,2.6vw,2.1rem)/1.2 "Familjen Grotesk";transition:padding .25s,color .2s}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:2rem;color:var(--green);transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
summary:hover{padding-left:20px;color:var(--green)}
.row-body{display:grid;grid-template-columns:1fr 1fr;gap:64px;padding:0 8px 36px;animation:open .35s ease}
@keyframes open{from{opacity:0;transform:translateY(-6px)}}
.row-body ul{list-style:none}.row-body li{padding:10px 0 10px 24px;border-bottom:1px solid var(--line);position:relative}
.row-body li::before{content:"";position:absolute;left:0;top:19px;width:10px;height:10px;background:var(--green)}
/* why */
.why{padding:110px 0}
.why-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:88px}
.why-title{position:sticky;top:110px;align-self:start}
.why-list article{padding:30px 0 30px 32px;border-left:4px solid var(--alu);transition:border-color .25s,background .25s}
.why-list article+article{margin-top:14px}.why-list article:hover{border-color:var(--green);background:var(--paper)}
.process{background:var(--slate);color:#E8EDF0;padding:100px 0}.process h2{color:#fff}
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);counter-reset:s;margin-top:40px}
.steps li{counter-increment:s;padding:28px 28px 0 0;border-top:2px solid var(--alu);position:relative}
.steps li::before{content:counter(s);position:absolute;top:-17px;left:0;width:32px;height:32px;background:var(--green);color:#fff;font:700 1rem/32px "Familjen Grotesk";text-align:center;border-radius:50%}
.steps h3{color:#fff;margin-top:12px}.steps p{color:#c4ced6;font-size:.97rem}
/* contact */
.contact{padding:110px 0}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px}
address{font-style:normal;margin-top:36px;padding:28px;border:1px solid var(--slate);background:var(--paper);border-radius:var(--r)}
address a{color:var(--green);font-weight:500}
form{background:var(--paper);border:1px solid var(--line);padding:40px;border-radius:var(--r);display:grid;gap:20px}
.field{display:grid;gap:6px}label{font-weight:500;font-size:.95rem}
input,select,textarea{font:inherit;padding:13px 14px;border:1px solid var(--alu);border-radius:var(--r);background:#fff;color:var(--slate)}
input:focus,select:focus,textarea:focus{border-color:var(--green);outline:2px solid var(--green)}
.field.bad input,.field.bad textarea{border-color:#B3261E}.err{color:#B3261E;font-size:.88rem;min-height:0}
form .btn{justify-self:start}.ok{color:var(--green);font-weight:500}
footer{background:var(--slate);color:#c4ced6;padding:64px 0 0;font-size:.95rem}
.foot{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:48px;padding-bottom:48px}footer strong{color:#fff;font:600 1.15rem "Familjen Grotesk"}
.links{display:grid;gap:8px;align-content:start}.links a,footer a{text-decoration:none}footer a:hover{color:#fff;text-decoration:underline}
.copy{border-top:1px solid #3a4e60;padding:22px 0;font-size:.88rem}
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}.rv.in{opacity:1;transform:none}
@media(max-width:1000px){
.hero-grid,.about-grid,.why-grid,.contact-grid,.sec-head,.row-body{grid-template-columns:1fr;gap:40px}
.why-title{position:static}.steps{grid-template-columns:1fr 1fr;row-gap:48px}.drawing{max-width:520px}
.sec-head{gap:16px}.row-body{gap:12px}}
@media(max-width:760px){
body{font-size:16px}.menu-btn{display:block}
nav{position:absolute;top:72px;left:0;right:0;background:var(--frost);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 24px;border-bottom:1px solid var(--line);display:none}
nav.open{display:flex}nav a{padding:14px 0;border-bottom:1px solid var(--line)}.nav-cta{text-align:center;margin-top:16px}
.hero{padding:56px 0}.facts,.pillars,.foot,.steps{grid-template-columns:1fr}
.pillars div,.pillars div+div{padding:24px 0 0;border-left:0}
.about,.services,.why,.contact{padding:72px 0}form{padding:24px}.strip-in{flex-direction:column}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}.rv{opacity:1;transform:none}.drawing *{stroke-dashoffset:0!important}}