/* Flamma Systems – webbplats. Layout: teknisk datablads-känsla, vänsterställd, fasta band, sparsam accent (flamman). */
:root{
  --bg:#F4F5F2; --surface:#FFFFFF; --surface-2:#EAEEE9; --fg:#262B28; --muted:#5E5E5E; --line:#D3D9D3;
  --green:#27753E; --green-ink:#1E5A30; --green-soft:#DCEBDF; --green-deep:#13391F; --logo-light:inline; --logo-dark:none;
  --flame:#E0601C; --flame-soft:#FBE6D8;
  --ok:#1D5F38; --warn:#A86300; --bad:#B23A2C;
  --on-green:#F2F7F2; --on-green-muted:#B9D1BF;
  --font-display:"Barlow Condensed","Arial Narrow","Helvetica Neue",Arial,sans-serif;
  --font-body:"Barlow","Helvetica Neue",Arial,sans-serif;
  --font-mono:"IBM Plex Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --radius:3px; --maxw:1180px; --gutter-l:max(16px, env(safe-area-inset-left, 0px)); --gutter-r:max(16px, env(safe-area-inset-right, 0px));
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0F1612; --surface:#161F19; --surface-2:#1D2921; --fg:#E9EFE9; --muted:#9BAB9F; --line:#2A3730;
  --green:#4FB06F; --green-ink:#A9DDB8; --green-soft:#1B3324; --green-deep:#0C2416; --logo-light:none; --logo-dark:inline;
  --flame:#F2823F; --flame-soft:#3A2416; --ok:#4FB06F; --warn:#E0A040; --bad:#E06A5C;
  --on-green:#F2F7F2; --on-green-muted:#9CC3A6; color-scheme:dark } }
:root[data-theme="dark"]{
  --bg:#0F1612; --surface:#161F19; --surface-2:#1D2921; --fg:#E9EFE9; --muted:#9BAB9F; --line:#2A3730;
  --green:#4FB06F; --green-ink:#A9DDB8; --green-soft:#1B3324; --green-deep:#0C2416; --logo-light:none; --logo-dark:inline;
  --flame:#F2823F; --flame-soft:#3A2416; --ok:#4FB06F; --warn:#E0A040; --bad:#E06A5C;
  --on-green:#F2F7F2; --on-green-muted:#9CC3A6; color-scheme:dark }

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} *{animation:none!important;transition:none!important} }
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
figure{margin:0;min-width:0}
a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--green-ink)}
:focus-visible{outline:3px solid var(--flame);outline-offset:2px}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.05;margin:0;text-wrap:balance;font-weight:600;letter-spacing:-0.005em;overflow-wrap:anywhere;hyphens:auto}
h1{font-size:clamp(2.4rem,5.2vw,4.2rem);font-weight:700}
h2{font-size:clamp(1.9rem,3.4vw,2.8rem)}
h3{font-size:1.45rem}
h4{font-size:1.15rem}
p{margin:0}
.lead{font-size:1.2rem;line-height:1.5;max-width:38em;color:var(--fg)}
.muted{color:var(--muted)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.eyebrow{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.eyebrow.flame{color:var(--flame)}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--gutter-l);padding-right:var(--gutter-r)}
.stack{display:flex;flex-direction:column;gap:14px;min-width:0}
.grid > *{min-width:0}
.prose{max-width:66ch}
.prose p + p{margin-top:.9em}
.prose ul{padding-left:1.2em;margin:.6em 0}
.prose li + li{margin-top:.35em}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;padding-block:8px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--fg)}
.brand img{height:46px;width:auto;display:block}
.brand .light{display:var(--logo-light)}
.brand .dark{display:var(--logo-dark)}
@media (max-width:480px){.brand img{height:38px}}
.brand .wm{font-family:var(--font-display);font-weight:700;font-size:1.35rem;letter-spacing:.06em;line-height:1;white-space:nowrap}
.brand .tg{display:block;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:3px}
nav.main ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
nav.main a{display:block;padding:8px 10px;text-decoration:none;color:var(--fg);font-weight:500;font-size:.98rem;border-radius:var(--radius)}
nav.main a:hover{background:var(--surface-2);color:var(--fg)}
nav.main a[aria-current="page"]{color:var(--green);box-shadow:inset 0 -2px 0 var(--green)}
nav.main a.cta{background:var(--green);color:var(--on-green);margin-left:6px}
nav.main a.cta:hover{background:var(--green-ink)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:8px 10px;color:var(--fg);font:inherit;cursor:pointer}
@media (max-width:480px){.brand .tg{display:none}.brand .wm{font-size:1.2rem}}
@media (max-width:900px){
  .menu-btn{display:inline-flex;align-items:center;gap:8px}
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--line);padding:8px var(--gutter-r) 14px var(--gutter-l)}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:stretch}
  nav.main a{padding:12px 10px;font-size:1.05rem}
  nav.main a.cta{margin:6px 0 0;text-align:center}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:var(--radius);font-weight:600;text-decoration:none;border:1px solid transparent;font:inherit;font-weight:600;cursor:pointer;line-height:1.2}
.btn.primary{background:var(--flame);color:#fff;border-color:var(--flame)}
.btn.primary:hover{filter:brightness(.93);color:#fff}
.btn.green{background:var(--green);color:var(--on-green);border-color:var(--green)}
.btn.green:hover{background:var(--green-ink);color:var(--on-green)}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--fg)}
.btn.on-dark{background:transparent;color:var(--on-green);border-color:var(--on-green-muted)}
.btn.on-dark:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* Sections */
section.band{padding-block:clamp(44px,7vw,90px)}
section.band.tight{padding-block:clamp(28px,4vw,52px)}
section.band.alt{background:var(--surface)}
section.band.green{background:var(--green-deep);color:var(--on-green)}
section.band.green .eyebrow{color:var(--on-green-muted)}
section.band.green .muted{color:var(--on-green-muted)}
section.band.green a{color:#fff}
.sec-head{display:grid;gap:10px;max-width:60ch;margin-bottom:clamp(22px,3vw,36px)}
.sec-head.row{grid-template-columns:minmax(0,1fr) auto;align-items:end;max-width:none}
@media (max-width:700px){.sec-head.row{grid-template-columns:minmax(0,1fr)}}

/* Hero */
.hero{padding-block:clamp(40px,6vw,80px);background:var(--surface);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center}
.hero .copy{display:grid;gap:18px}
.hero .lead{color:var(--muted)}
.hero figure{margin:0;min-width:0}
.hero figcaption{font-family:var(--font-mono);font-size:.75rem;color:var(--muted);margin-top:8px}
@media (max-width:900px){.hero .wrap{grid-template-columns:minmax(0,1fr)}}
.hero.sub{padding-block:clamp(36px,5vw,64px)}
.hero.sub .wrap{grid-template-columns:minmax(0,1fr);max-width:var(--maxw)}
.hero.sub .copy{max-width:70ch}

/* Datasheet strip */
.strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);background:var(--surface)}
.certs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.certs .card{grid-template-columns:72px 1fr;display:grid;gap:14px;align-items:start}
.certs img{width:72px;border:1px solid var(--line);border-radius:2px}
@media (max-width:760px){.certs{grid-template-columns:minmax(0,1fr)}}
.quote{border-left:3px solid var(--flame);padding:4px 0 4px 18px;font-size:1.15rem;line-height:1.45;max-width:60ch}
.quote cite{display:block;font-style:normal;font-family:var(--font-mono);font-size:.78rem;color:var(--muted);margin-top:8px}
.strip > div{padding:18px 20px;border-right:1px solid var(--line);min-width:0}
.strip > div:last-child{border-right:0}
.strip .v{font-family:var(--font-display);font-size:2.1rem;font-weight:700;line-height:1;color:var(--green);white-space:nowrap}
@media (max-width:420px){.strip .v{font-size:1.7rem}}
.strip .k{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:6px}
@media (max-width:800px){.strip{grid-template-columns:repeat(2,minmax(0,1fr))}.strip > div:nth-child(2){border-right:0}.strip > div:nth-child(-n+2){border-bottom:1px solid var(--line)}}

/* Cards / grids */
.grid{display:grid;gap:18px}
.grid.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.c2.contact{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
.grid.c4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:980px){.grid.c3,.grid.c4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.grid.c3,.grid.c2,.grid.c4{grid-template-columns:minmax(0,1fr)}}
@media (max-width:900px){.grid.c2.contact{grid-template-columns:minmax(0,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:grid;gap:10px;align-content:start;min-width:0}
.card h3{font-size:1.35rem}
.card p,.card dd{overflow-wrap:anywhere}
.card .ico{width:44px;height:44px;color:var(--green)}
.card .more{margin-top:auto;font-weight:600;text-decoration:none}
.card.plain{background:transparent;border-color:transparent;padding:0}
section.band.green .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14)}
.spec{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:.95rem;margin:0}
.spec dt{color:var(--muted)}
.spec dd{margin:0;font-family:var(--font-mono);font-size:.9rem}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border:1px solid var(--line);border-radius:2px;color:var(--muted)}
.tag.g{border-color:var(--green);color:var(--green)}
.tag.f{border-color:var(--flame);color:var(--flame)}

/* Photo slot (platshållare tills riktiga foton finns) */

/* Tables */
.tbl-wrap{overflow-x:auto;max-width:100%;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500;background:var(--surface-2)}
tr:last-child td{border-bottom:0}
td.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;white-space:nowrap}
.status{display:inline-block;padding:2px 8px;border-radius:2px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase}
.status.ok{background:var(--green-soft);color:var(--green-ink)}
.status.run{background:var(--flame-soft);color:var(--flame)}

/* Timeline (regelverk) */
.tl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:2px solid var(--on-green-muted);margin-top:10px}
.tl > div{padding:16px 16px 0 0;position:relative}
.tl > div::before{content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;background:var(--flame)}
.tl .y{font-family:var(--font-display);font-size:2rem;font-weight:700;line-height:1}
.tl .t{margin-top:6px}
@media (max-width:700px){.tl{grid-template-columns:minmax(0,1fr);border-top:0;border-left:2px solid var(--on-green-muted)} .tl > div{padding:0 0 18px 18px} .tl > div::before{top:6px;left:-7px}}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:s}
.steps > div{border-top:3px solid var(--green);padding-top:14px;display:grid;gap:8px;min-width:0}
.steps .n{font-family:var(--font-mono);font-size:.78rem;color:var(--green);letter-spacing:.1em}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.steps{grid-template-columns:minmax(0,1fr)}}

/* Checker tool */
.tool{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr)}
.tool > div{padding:24px;min-width:0}
.tool .in{border-right:1px solid var(--line);display:grid;gap:14px;align-content:start}
.tool .out{background:var(--surface-2)}
@media (max-width:860px){.tool{grid-template-columns:minmax(0,1fr)}.tool .in{border-right:0;border-bottom:1px solid var(--line)}}
.field{display:grid;gap:6px}
.field label{font-weight:600;font-size:.95rem}
.field .hint{font-size:.85rem;color:var(--muted)}
input[type=text],input[type=email],input[type=tel],input[type=number],select,textarea{width:100%;font:inherit;font-size:1rem;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--fg);min-width:0}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--green);outline:2px solid var(--green);outline-offset:0}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:560px){.two{grid-template-columns:minmax(0,1fr)}}
.result{display:grid;gap:14px}
.result .big{font-family:var(--font-display);font-size:2rem;font-weight:700;line-height:1.1}
.result .big.warn{color:var(--flame)}
.result .big.ok{color:var(--green)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:.95rem}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-family:var(--font-mono);font-size:.9rem}
.note{font-size:.85rem;color:var(--muted);border-left:3px solid var(--line);padding-left:10px}

/* Form */
form.contact{display:grid;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.95rem}
.check input{margin-top:5px;flex:none}
.form-msg{padding:14px 16px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface-2)}
.form-msg.ok{border-color:var(--green);background:var(--green-soft);color:var(--green-ink)}
.form-msg.err{border-color:var(--bad)}
.hp{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}

/* FAQ */
details.faq{border-top:1px solid var(--line);padding:14px 0}
details.faq:last-of-type{border-bottom:1px solid var(--line)}
details.faq summary{cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:12px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-family:var(--font-mono);color:var(--green)}
details.faq[open] summary::after{content:"–"}
details.faq .a{margin-top:10px;max-width:66ch;color:var(--fg)}

/* Team */
.person{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start}
.person .av{width:88px;height:88px;border-radius:50%;object-fit:cover;object-position:top;display:block;background:var(--green-soft)}
.person{grid-template-columns:88px 1fr}
.person .role{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* Map list */
.places{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px 18px;font-size:.95rem;list-style:none;padding:0;margin:0}
.places li::before{content:"▪ ";color:var(--flame)}

/* CTA band */
.cta-band{background:var(--green);color:var(--on-green)}
.cta-band .wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;padding-block:clamp(30px,4vw,48px)}
.cta-band h2{color:#fff}
.cta-band p{color:var(--on-green-muted)}
@media (max-width:760px){.cta-band .wrap{grid-template-columns:minmax(0,1fr)}}

/* Footer */
footer{background:var(--surface);border-top:1px solid var(--line);padding-block:40px 28px;font-size:.95rem}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
footer h4{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:10px}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
footer a{text-decoration:none;color:var(--fg)}
footer a:hover{color:var(--green)}
footer .legal{margin-top:28px;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 24px;font-size:.85rem;color:var(--muted)}
@media (max-width:900px){footer .cols{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){footer .cols{grid-template-columns:minmax(0,1fr)}}

/* Schematic */
.schem{width:100%;height:auto;display:block}
.schem text{font-family:var(--font-mono);font-size:11px;fill:var(--muted)}
.schem .lbl{fill:var(--fg);font-weight:500}
.schem .val{fill:var(--green);font-weight:600}
.schem .flame-v{fill:var(--flame);font-weight:600}
.schem .duct{fill:none;stroke:var(--muted);stroke-width:2}
.schem .box{fill:var(--surface);stroke:var(--fg);stroke-width:1.6}
.schem .box2{fill:var(--surface-2);stroke:var(--fg);stroke-width:1.6}
.schem .acc{fill:var(--green-soft);stroke:var(--green);stroke-width:1.6}
.schem .thin{stroke:var(--fg);stroke-width:1;fill:none}
.schem .dash{stroke:var(--muted);stroke-width:1;stroke-dasharray:3 3;fill:none}
.schem .fl{fill:var(--flame)}

/* Foton */
.ph{position:relative;margin:0;border-radius:var(--radius);overflow:hidden;background:var(--surface-2);max-width:100%}
.ph img{display:block;width:100%;height:100%;object-fit:cover}
.ph figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 12px 8px;background:linear-gradient(transparent,rgba(0,0,0,.62));color:#fff;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.02em}
.ph.r43{aspect-ratio:4/3}.ph.r169{aspect-ratio:16/9}.ph.r32{aspect-ratio:3/2}.ph.tall{aspect-ratio:3/4}
.hero .ph{aspect-ratio:4/3}
.card.pc{padding:0;overflow:hidden}
.card.pc .ph{border-radius:0;aspect-ratio:16/10}
.card.pc .body{padding:18px 20px 20px;display:grid;gap:8px}
.card.pc .body h3{font-size:1.3rem}
.card.pc .more{margin-top:4px}
.feature{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(20px,4vw,48px);align-items:center}
.feature.rev{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr)}
.feature.rev .ph{order:-1}
@media (max-width:860px){.feature,.feature.rev{grid-template-columns:minmax(0,1fr)}.feature.rev .ph{order:0}}
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.gallery .ph{aspect-ratio:4/3}
@media (max-width:700px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
.hero.photo{position:relative;background:var(--green-deep);color:var(--on-green);border-bottom:0;overflow:hidden}
.hero.photo .bg{position:absolute;inset:0;background-size:cover;background-position:center 40%}
.hero.photo .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,26,15,.88) 0%,rgba(8,26,15,.72) 45%,rgba(8,26,15,.35) 100%)}
.hero.photo{min-height:520px;display:flex;align-items:center}
.hero.photo .wrap{display:block;width:100%}
.hero.photo .copy{max-width:62ch}
.hero.photo .cap{position:absolute;right:0;bottom:0;padding:6px 12px;font-family:var(--font-mono);font-size:.7rem;color:rgba(255,255,255,.75);background:rgba(0,0,0,.35)}
.hero.photo .btn.ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.hero.photo .btn.ghost:hover{border-color:#fff}
.hero.photo .wrap{position:relative}
.hero.photo h1{color:#fff}
.hero.photo .lead{color:var(--on-green)}
.hero.photo .eyebrow{color:var(--on-green-muted)}