:root{
  --g900:#0f1c0d; --g800:#12200f; --g700:#1d3519; --g600:#2e4f26;
  --g500:#4f7a37; --g400:#6a9a45; --g300:#8bbf5a; --g100:#e7efdf; --g50:#f3f7ef;
  --steel:#c9cecb; --steel-d:#8e9692; --ink:#18201a; --muted:#5d6a60;
  --bg:#ffffff; --line:#dfe5dc; --r:18px;
  --shadow:0 10px 30px rgba(18,32,15,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font:16px/1.65 Inter,system-ui,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:Montserrat,Inter,sans-serif;line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:1.12rem}
p{margin:0 0 1em}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}

/* buttons */
.btn{display:inline-flex;text-align:center;align-items:center;justify-content:center;gap:.5em;padding:.9em 1.5em;border-radius:999px;border:0;
  background:var(--g400);color:#fff;font:600 .98rem Inter,sans-serif;text-decoration:none;cursor:pointer;
  transition:background .2s,transform .2s,box-shadow .2s;box-shadow:0 6px 18px rgba(79,122,55,.35)}
.btn:hover{background:var(--g500);transform:translateY(-1px)}
.btn-sm{white-space:nowrap;padding:.6em 1.1em;font-size:.88rem;box-shadow:none}
.btn-ghost{background:transparent;color:inherit;box-shadow:inset 0 0 0 1.5px currentColor}
.btn-ghost:hover{background:rgba(255,255,255,.1)}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(18,32,15,.92);backdrop-filter:blur(10px);color:#fff;border-bottom:1px solid rgba(255,255,255,.06)}
.top-in{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{border-radius:6px;height:44px;width:auto}
.brand-txt{display:flex;flex-wrap:wrap;font-family:Montserrat,sans-serif;font-size:1.15rem;letter-spacing:.02em;line-height:1}
.brand-txt .g{color:var(--g300)}
.brand-txt b:not(.g){color:#e3e6e4}
.brand-txt small{flex-basis:100%;font:500 .58rem Inter,sans-serif;letter-spacing:.38em;text-transform:uppercase;color:#a8b3aa;margin-top:4px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:.45em .7em;border-radius:8px;text-decoration:none;font-size:.9rem;color:#d7ddd8;white-space:nowrap}
.nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.top-r{display:flex;align-items:center;gap:10px;margin-left:auto}
.lang{display:flex;background:rgba(255,255,255,.08);border-radius:999px;padding:3px}
.lang button{border:0;background:none;color:#c8d0c9;font:600 .75rem Inter,sans-serif;padding:.4em .65em;border-radius:999px;cursor:pointer}
.lang button.on{background:var(--g400);color:#fff}
.burger{display:none;width:42px;height:42px;border:0;background:rgba(255,255,255,.08);border-radius:10px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:0 11px}
.burger span{display:block;height:2px;background:#fff;border-radius:2px;transition:.25s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--g800)}
.hero-bg{position:absolute;inset:0;background:
  linear-gradient(100deg,rgba(15,28,13,.96) 0%,rgba(15,28,13,.82) 45%,rgba(15,28,13,.35) 100%),
  url("assets/lsf-wide.debe8b1035d3.jpg") center/cover no-repeat;transform:scale(1.05);animation:heroZoom 18s ease-out forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero-in{position:relative;padding:clamp(70px,12vw,140px) 0 clamp(50px,8vw,90px);max-width:1180px}
.hero h1{font-size:clamp(2.3rem,6vw,4.4rem);font-weight:800;max-width:12ch;margin-bottom:.35em}
.hero .lead{font-size:clamp(1rem,1.6vw,1.18rem);max-width:58ch;color:#d9e2d8}
.eyebrow{display:inline-flex;align-items:center;gap:.6em;font:600 .78rem Inter,sans-serif;letter-spacing:.18em;text-transform:uppercase;color:var(--g300);margin-bottom:1em}
.eyebrow::before{content:"";width:28px;height:2px;background:currentColor}
.eyebrow.dark{color:var(--g500)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 46px}
.stats{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:rgba(255,255,255,.12);border-radius:var(--r);overflow:hidden;max-width:880px}
.stats li{background:rgba(15,28,13,.7);padding:18px 18px;display:flex;flex-direction:column;gap:2px}
.stats b{font:800 1.9rem Montserrat,sans-serif;color:var(--g300);line-height:1.1}
.stats span{font-size:.86rem;color:#cfd8cf}

/* sections */
.sec{padding:clamp(64px,9vw,110px) 0}
.sec-tint{background:var(--g50)}
.sec-dark{background:var(--g800);color:#fff}
.sec-dark p{color:#cbd5ca}
.sec-head{max-width:720px;margin-bottom:44px}
.sub{color:var(--muted);font-size:1.05rem}
.note{font-size:.8rem;color:var(--muted);margin:.6em 0 0}
.note.light{color:#9fb09f}
.ticks{list-style:none;padding:0;margin:1.2em 0 0;display:grid;gap:.6em}
.ticks li{position:relative;padding-left:30px}
.ticks li::before{content:"";position:absolute;left:0;top:.25em;width:20px;height:20px;border-radius:50%;background:var(--g100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%234f7a37' stroke-width='3' stroke-linecap='round'/%3E%3C/svg%3E") center/14px no-repeat}
.ticks.light li::before{background-color:rgba(139,191,90,.18)}

/* before/after */
.sec-ba{background:linear-gradient(var(--g50),#fff)}
.ba-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:56px;align-items:center}
.ba-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:26px;padding:18px;box-shadow:var(--shadow)}
.ba-head{display:flex;justify-content:space-between;align-items:center;padding:2px 6px 12px;font-family:Montserrat,sans-serif}
.ba-tag{color:var(--g500);font-weight:700;font-size:.85rem}
.ba{position:relative;aspect-ratio:8/5;border-radius:16px;overflow:hidden;cursor:ew-resize;touch-action:pan-y;user-select:none;outline:none}
.ba:focus-visible{box-shadow:0 0 0 3px var(--g300)}
.ba svg{width:100%;height:100%}
.ba-lbl{position:absolute;bottom:14px;background:rgba(15,28,13,.82);color:#fff;font:700 .82rem Montserrat,sans-serif;padding:.55em 1em;border-radius:10px;pointer-events:none}
.ba-lbl.l{left:14px}.ba-lbl.r{right:14px}
.ba-line{position:absolute;top:0;bottom:0;left:50%;width:3px;margin-left:-1.5px;background:#fff;box-shadow:0 0 10px rgba(0,0,0,.25);pointer-events:none}
.ba-knob{position:absolute;top:50%;left:50%;width:54px;height:54px;transform:translate(-50%,-50%);border-radius:50%;border:4px solid #fff;background:var(--g400);color:#fff;font-size:1.3rem;box-shadow:0 6px 18px rgba(0,0,0,.25);pointer-events:none}
.ba-foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding:12px 6px 0;font-size:.85rem;color:var(--muted)}
.auto{display:flex;align-items:center;gap:6px;font-weight:600;color:var(--ink);cursor:pointer}
.auto input{accent-color:var(--g400)}
.ba-card .note{padding:0 6px}

/* why */
.cards4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card p{color:var(--muted);font-size:.94rem;margin:0}
.ic{width:50px;height:50px;border-radius:14px;background:var(--g100);color:var(--g500);display:grid;place-items:center;margin-bottom:18px}
.ic svg{width:26px;height:26px;fill:currentColor}

/* services */
.srv{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.srv-i{position:relative;background:#fff;border-radius:var(--r);padding:30px 26px 26px;border:1px solid var(--line);overflow:hidden}
.srv-i::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:linear-gradient(90deg,var(--g500),var(--g300));transition:width .35s}
.srv-i:hover::after{width:100%}
.srv-i p{color:var(--muted);font-size:.94rem;margin:0}
.num{display:block;font:800 .85rem Montserrat,sans-serif;color:var(--g400);margin-bottom:14px;letter-spacing:.1em}

/* lsf */
.lsf-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:start}
.lsf-photo{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.lsf-photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:792/640}
.badge{position:absolute;left:14px;bottom:14px;background:rgba(15,28,13,.85);color:#fff;font:600 .8rem Inter,sans-serif;padding:.5em .9em;border-radius:999px}
.badge::before{content:"●";color:var(--g300);margin-right:.4em}
.layers h3{margin-bottom:16px}
.wall{display:flex;height:170px;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff}
.ly{flex:1;border:0;background:var(--c);cursor:pointer;position:relative;transition:flex .3s,filter .2s;padding:0}
.ly:nth-child(1),.ly:nth-child(2),.ly:nth-child(7){flex:.55}
.ly:hover{filter:brightness(1.05)}
.ly.on{flex:1.8;box-shadow:inset 0 0 0 3px var(--g500)}
.ly-steel{background:repeating-linear-gradient(0deg,var(--c) 0 28px,#8e9692 28px 34px)}
.ly-wool{background:repeating-linear-gradient(-45deg,var(--c) 0 8px,#e0b94e 8px 14px)}
.ly-info{margin-top:14px;background:var(--g50);border-radius:14px;padding:16px 18px;min-height:96px}
.ly-info b{font-family:Montserrat,sans-serif}
.ly-info p{margin:.3em 0 0;color:var(--muted);font-size:.94rem}
.compare{margin-top:56px}
.tbl{border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.tr{display:grid;grid-template-columns:1fr 1.3fr 1.3fr;border-top:1px solid var(--line)}
.tr:first-child{border-top:0}
.tr span{padding:14px 18px;font-size:.93rem}
.tr span:first-child{font-weight:600}
.th{background:var(--g800);color:#fff;font-family:Montserrat,sans-serif}
.th span{font-weight:700}
.tr .ok{background:var(--g50);color:var(--g600)}
.tr .ok::before{content:"✓ ";font-weight:800;color:var(--g400)}

/* energy */
.energy{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.en-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.en-list li{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-left:3px solid var(--g300);border-radius:12px;padding:16px 18px;display:grid;gap:2px}
.en-list span{color:#b9c6b8;font-size:.92rem}

/* projects */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:-20px 0 26px}
.chip{border:1px solid var(--line);background:#fff;padding:.5em 1.1em;border-radius:999px;font:600 .88rem Inter,sans-serif;cursor:pointer;color:var(--muted)}
.chip.on{background:var(--g800);border-color:var(--g800);color:#fff}
.proj{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pj{border-radius:var(--r);overflow:hidden;background:#fff;border:1px solid var(--line);transition:transform .25s,box-shadow .25s}
.pj:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pj[hidden]{display:none}
.pj-img{position:relative;aspect-ratio:5/3;overflow:hidden;background:var(--g100)}
.pj-img img,.pj-img svg{width:100%;height:100%;object-fit:cover}
.pj-tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);font:600 .74rem Inter,sans-serif;padding:.35em .8em;border-radius:999px;color:var(--muted)}
.pj-tag.real{background:var(--g400);color:#fff}
.pj-b{padding:18px 20px 20px}
.pj-b p{color:var(--muted);font-size:.92rem;margin:0}
.insta{display:flex;align-items:center;gap:16px;margin-top:24px;padding:18px 22px;border-radius:var(--r);text-decoration:none;color:#fff;
  background:linear-gradient(110deg,var(--g700),var(--g500))}
.insta svg{width:34px;height:34px;flex:none}
.insta span{display:flex;flex-direction:column}
.insta small{color:#cfe0c4}
.insta i{margin-left:auto;font-style:normal;font-size:1.4rem;transition:transform .2s}
.insta:hover i{transform:translateX(4px)}

/* process */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:s}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 20px 72px;position:relative;display:grid;gap:2px}
.steps li::before{content:counter(s);position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;background:var(--g800);color:var(--g300);display:grid;place-items:center;font:800 .95rem Montserrat,sans-serif}
.steps b{font-family:Montserrat,sans-serif}
.steps span{color:var(--muted);font-size:.92rem}

/* warranty */
.warranty{display:grid;grid-template-columns:auto 1fr auto;gap:36px;align-items:center;padding:36px 40px;border-radius:28px;
  background:radial-gradient(circle at 0 0,rgba(139,191,90,.25),transparent 55%),var(--g800);color:#fff}
.warranty p{color:#cbd5ca;margin:0;max-width:62ch}
.w-badge{width:130px;height:130px;border-radius:50%;border:3px solid var(--g300);display:grid;place-items:center;align-content:center;text-align:center}
.w-badge b{font:800 3rem Montserrat,sans-serif;line-height:1;color:var(--g300)}
.w-badge span{font-weight:600;letter-spacing:.2em;text-transform:uppercase;font-size:.8rem}

/* faq */
.faq-wrap{max-width:860px}
.faq{display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px}
.faq summary{cursor:pointer;list-style:none;padding:18px 30px 18px 0;font:600 1rem Montserrat,sans-serif;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--g400);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{color:var(--muted);padding-bottom:18px;margin:0}

/* form */
.quote{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.form{background:#fff;color:var(--ink);border-radius:24px;padding:28px;display:grid;gap:14px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.form label{display:grid;gap:5px;font-size:.84rem;font-weight:600;color:var(--muted)}
.form input,.form select,.form textarea{width:100%;font:500 .98rem Inter,sans-serif;padding:.75em .9em;border:1.5px solid var(--line);border-radius:12px;background:#fbfcfa;color:var(--ink);transition:border-color .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--g400);background:#fff}
.form .bad{border-color:#c0392b}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.f3{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:12px}
.svc{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.svc legend{font-size:.84rem;font-weight:600;color:var(--muted);margin-bottom:6px;padding:0}
.svc label{display:block;position:relative}
.svc input{position:absolute;opacity:0;pointer-events:none}
.svc span{display:block;padding:.5em 1em;border:1.5px solid var(--line);border-radius:999px;cursor:pointer;color:var(--ink);font-weight:600;transition:.2s}
.svc input:checked+span{background:var(--g100);border-color:var(--g400);color:var(--g600)}
.svc input:focus-visible+span{box-shadow:0 0 0 3px var(--g300)}
.f-btns{display:flex;flex-wrap:wrap;gap:10px}
.f-btns .btn-ghost{color:var(--g600)}
.f-btns .btn-ghost:hover{background:var(--g50)}
.f-err{color:#c0392b;font-size:.88rem;margin:0}
.form .note{margin:0}
.q-txt h2{color:#fff}

/* footer */
.foot{background:var(--g900);color:#b6c2b5;padding:56px 0 24px;font-size:.92rem}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.foot p{margin:14px 0 0;max-width:36ch}
.foot-links{display:grid;gap:8px;align-content:start}
.foot-links a{text-decoration:none}
.foot-links a:hover{color:#fff}
.foot-links a:empty,.foot-links a[hidden]{display:none}
.copy{border-top:1px solid rgba(255,255,255,.08);margin-top:36px;padding-top:20px;font-size:.82rem;color:#7f8f80}

.fab{position:fixed;right:18px;bottom:18px;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:40;transition:transform .2s}
.fab:hover{transform:scale(1.07)}
.fab svg{width:30px;height:30px;fill:#fff}
.fab[hidden]{display:none}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-bg{animation:none;transform:none}
  html{scroll-behavior:auto}
}

/* responsive */
@media (max-width:1240px){
  .nav a{padding:.45em .5em;font-size:.85rem}
}
@media (max-width:1080px){
  .burger{display:flex}
  .nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;background:var(--g800);padding:12px 16px 20px;gap:2px;
    transform:translateY(-120%);transition:transform .3s;box-shadow:0 20px 40px rgba(0,0,0,.3);z-index:-1}
  .nav.open{transform:none}
  .nav a{padding:.8em .6em;font-size:1rem;border-bottom:1px solid rgba(255,255,255,.06)}
  .ba-grid,.lsf-grid,.energy,.quote{grid-template-columns:1fr;gap:32px}
  .cards4{grid-template-columns:repeat(2,1fr)}
  .srv,.proj,.steps{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .warranty{grid-template-columns:1fr;text-align:center;justify-items:center;padding:32px 24px}
  .foot-in{grid-template-columns:1fr 1fr}
  .foot-in>div:first-child{grid-column:1/-1}
}
@media (max-width:620px){
  .top-r .btn-sm{display:none}
  .brand-txt{font-size:.95rem;flex-wrap:nowrap;display:grid;grid-template-columns:auto auto}
  .brand-txt small{grid-column:1/-1;letter-spacing:.3em}
  .brand img{height:38px}
  .lang button{padding:.4em .5em}
  .top-in{gap:10px}
  .cards4,.srv,.proj,.steps{grid-template-columns:1fr}
  .f2,.f3{grid-template-columns:1fr}
  .tr{grid-template-columns:1fr 1fr}
  .tr span:first-child{grid-column:1/-1;background:#f7f9f5;padding-bottom:6px}
  .th span:first-child{display:none}
  .ba-card{padding:10px;border-radius:20px}
  .ba-knob{width:44px;height:44px}
  .ba-lbl{font-size:.72rem;bottom:10px}
  .stats b{font-size:1.5rem}
  .form{padding:20px}
  .f-btns .btn{flex:1}
}

/* dynamic projects */
a.pj{display:block;text-decoration:none;color:inherit}
.pj-meta{display:flex;flex-wrap:wrap;gap:4px 14px;color:var(--muted);font-size:.86rem;margin:0}
.pj-meta i{font-style:normal}
.pj-count{position:absolute;right:12px;bottom:12px;background:rgba(15,28,13,.78);color:#fff;font:600 .74rem Inter,sans-serif;padding:.35em .7em;border-radius:999px}
.pj-img img{transition:transform .5s}
a.pj:hover .pj-img img{transform:scale(1.04)}
.more-row{text-align:center;margin:26px 0 0}
.btn-outline{background:#fff;color:var(--g600);box-shadow:inset 0 0 0 1.5px var(--g400)}
.btn-outline:hover{background:var(--g50)}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.f-ok{background:rgba(139,191,90,.15);color:var(--g600);border:1px solid rgba(79,122,55,.3);padding:12px 14px;border-radius:12px;font-weight:600;margin:0}

/* project page */
.pd-hero{background:var(--g800);color:#fff;padding:36px 0 30px}
.pd-hero h1{font-size:clamp(1.8rem,4.4vw,3rem);margin:0}
.pd-back{color:#b9c6b8;text-decoration:none;font-size:.9rem;display:inline-block;margin-bottom:18px}
.pd-back:hover{color:#fff}
.pd-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}
.pd-status{position:static}
.pd-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:36px;align-items:start}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.g-item{display:block;border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--g100)}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
a.g-item:hover img{transform:scale(1.04)}
.g-main{grid-column:1/-1;aspect-ratio:16/10}
.gallery .note{grid-column:1/-1}
.pd-side{position:sticky;top:90px;display:grid;gap:20px}
.facts{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.facts div{background:#fff;padding:14px 16px}
.facts .wide{grid-column:1/-1}
.facts dt{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.facts dd{margin:2px 0 0;font:700 1.05rem Montserrat,sans-serif}
.pd-desc{white-space:pre-line;color:#33403a}
.pd .sec-tint h2{margin-bottom:24px}

/* lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(8,14,7,.94);display:none;align-items:center;justify-content:center}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:86vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb button{position:absolute;border:0;background:rgba(255,255,255,.1);color:#fff;width:52px;height:52px;border-radius:50%;font-size:2rem;line-height:1;cursor:pointer}
.lb button:hover{background:rgba(255,255,255,.2)}
.lb-x{top:16px;right:16px}
.lb-p{left:16px;top:50%;transform:translateY(-50%)}
.lb-n{right:16px;top:50%;transform:translateY(-50%)}
.lb-c{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);color:#cfd8cf;font-size:.9rem}
@media (max-width:1080px){
  .pd-grid{grid-template-columns:1fr}
  .pd-side{position:static}
}
@media (max-width:620px){
  .gallery{grid-template-columns:repeat(2,1fr)}
  .lb-p,.lb-n{top:auto;bottom:10px;transform:none}
}

/* error page */
.err-page{background:var(--g800);color:#fff;min-height:70vh;display:grid;align-items:center;padding:80px 0}
.err-page p{color:#cbd5ca}
.err-code{font:800 clamp(5rem,16vw,9rem) Montserrat,sans-serif;color:var(--g300);line-height:1;margin:0 0 .1em;opacity:.9}

/* ===== motion ===== */
.progress{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);
  background:linear-gradient(90deg,var(--g500),var(--g300));z-index:60;pointer-events:none}
.top{transition:background .3s,box-shadow .3s}
.top-in{transition:height .3s}
.top.scrolled{background:rgba(15,28,13,.97);box-shadow:0 8px 24px rgba(0,0,0,.18)}
.top.scrolled .top-in{height:60px}
.nav a{position:relative}
.nav a::after{content:"";position:absolute;left:.7em;right:.7em;bottom:.2em;height:2px;border-radius:2px;background:var(--g300);
  transform:scaleX(0);transition:transform .3s}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}
.nav a.active{color:#fff}

/* hero entrance */
.hero-in>*{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.hero-in>:nth-child(1){animation-delay:.1s}
.hero-in>:nth-child(2){animation-delay:.22s}
.hero-in>:nth-child(3){animation-delay:.36s}
.hero-in>:nth-child(4){animation-delay:.5s}
.hero-in>:nth-child(5){animation-delay:.66s}
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(transparent,rgba(15,28,13,.6));pointer-events:none}

/* eyebrow line grows */
.eyebrow::before{transition:width .8s cubic-bezier(.2,.7,.2,1) .2s}
.reveal .eyebrow::before,.reveal.eyebrow::before{width:0}
.reveal.in .eyebrow::before,.reveal.in.eyebrow::before{width:28px}

/* softer reveal with optional stagger */
.reveal{transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}

/* buttons: light sweep */
.btn{position:relative;overflow:hidden;isolation:isolate}
.btn::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.28) 50%,transparent 70%);
  transform:translateX(-120%);transition:transform .7s}
.btn:hover::after{transform:translateX(120%)}
.btn:active{transform:translateY(0) scale(.98)}

/* icons and cards */
.card .ic{transition:transform .4s cubic-bezier(.2,.7,.2,1),background .3s,color .3s}
.card:hover .ic{transform:translateY(-3px) rotate(-6deg);background:var(--g400);color:#fff}
.srv-i{transition:transform .3s,box-shadow .3s}
.srv-i:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.srv-i .num{transition:letter-spacing .3s}
.srv-i:hover .num{letter-spacing:.25em}
.steps li{transition:transform .3s,box-shadow .3s,border-color .3s}
.steps li:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--g300)}
.steps li::before{transition:transform .5s cubic-bezier(.3,1.6,.5,1) calc(var(--d,0s) + .2s),background .3s}
.steps li.reveal:not(.in)::before{transform:scale(0)}
.steps li:hover::before{background:var(--g400);color:#fff}
.en-list li{transition:transform .3s,background .3s}
.en-list li:hover{transform:translateX(6px);background:rgba(255,255,255,.08)}
.faq details{transition:border-color .3s,box-shadow .3s}
.faq details[open]{border-color:var(--g300);box-shadow:var(--shadow)}
.faq details[open] p{animation:fadeIn .4s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.tr{transition:background .2s}
.tr:not(.th):hover{background:#fafcf8}

/* warranty badge: slowly turning dashed ring */
.w-badge{position:relative}
.w-badge::before{content:"";position:absolute;inset:-10px;border-radius:50%;border:2px dashed rgba(139,191,90,.45);animation:spin 30s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* slider knob hint */
.ba-knob{animation:knob 2.4s ease-in-out infinite}
.ba.touched .ba-knob{animation:none}
@keyframes knob{0%,100%{box-shadow:0 6px 18px rgba(0,0,0,.25),0 0 0 0 rgba(139,191,90,.55)}50%{box-shadow:0 6px 18px rgba(0,0,0,.25),0 0 0 12px rgba(139,191,90,0)}}

/* wall layers */
.ly-info{transition:opacity .25s}
.ly-info.swap{opacity:0}

/* project cards */
.pj-tag,.pj-count{transition:transform .3s}
a.pj:hover .pj-tag{transform:translateY(-2px)}
.chip{transition:background .2s,color .2s,border-color .2s,transform .2s}
.chip:hover{transform:translateY(-1px)}
.pj.fade-in{animation:fadeIn .45s ease both}

/* lightbox */
.lb{display:flex;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.lb.open{opacity:1;visibility:visible}
.lb img{transform:scale(.94);transition:transform .35s cubic-bezier(.2,.7,.2,1),opacity .2s}
.lb.open img{transform:none}
.lb.single .lb-p,.lb.single .lb-n,.lb.single .lb-c{display:none}

/* mobile menu items slide in */
@media (max-width:1080px){
  .nav a{opacity:0;transform:translateX(-12px);transition:opacity .3s,transform .3s}
  .nav.open a{opacity:1;transform:none}
  .nav.open a:nth-child(2){transition-delay:.04s}.nav.open a:nth-child(3){transition-delay:.08s}
  .nav.open a:nth-child(4){transition-delay:.12s}.nav.open a:nth-child(5){transition-delay:.16s}
  .nav.open a:nth-child(6){transition-delay:.2s}.nav.open a:nth-child(7){transition-delay:.24s}
  .nav a::after{display:none}
}
.fab{animation:fabIn .6s cubic-bezier(.3,1.5,.5,1) 1.2s both}
@keyframes fabIn{from{opacity:0;transform:scale(.4)}to{opacity:1;transform:none}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal .eyebrow::before,.reveal.eyebrow::before{width:28px}
  .steps li.reveal:not(.in)::before{transform:none}
  .nav a{opacity:1;transform:none}
}

/* before/after with uploaded photos */
.ba-photo{background:#dfe6dc}
.ba-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;user-select:none;-webkit-user-drag:none;pointer-events:none}
.ba-before{clip-path:inset(0 50% 0 0)}
.pre{white-space:pre-line}

/* ===== mobile polish ===== */
[hidden]{display:none!important}
.eyebrow{align-items:flex-start;line-height:1.5}
.eyebrow::before{flex:none;margin-top:.72em}
.insta b{line-height:1.3}
.ba-head{flex-wrap:wrap;gap:4px 12px}
.ba-tag{white-space:nowrap}
@media (max-width:620px){
  .eyebrow{letter-spacing:.14em;font-size:.72rem;gap:.5em}
  .eyebrow::before{width:22px}
  .reveal.in .eyebrow::before,.reveal.in.eyebrow::before{width:22px}
  .hero-in{padding:56px 0 44px}
  .hero-cta{margin:24px 0 32px;gap:10px}
  .hero-cta .btn{flex:1 1 100%;padding:1em 1.2em}
  .stats li{padding:14px}
  .lang button{padding:.6em .6em;min-width:34px;min-height:34px}
  .top-r{gap:8px}
  .burger{width:40px;height:40px}
  .sec{padding:56px 0}
  .sec-head{margin-bottom:28px}
  .ba-card{padding:12px}
  .ba-head{padding:2px 4px 10px;font-size:.95rem}
  .ba-foot{padding:10px 4px 0;font-size:.8rem}
  .ba-card .note{padding:0 4px}
  .card{display:grid;grid-template-columns:44px 1fr;gap:2px 14px;padding:18px;align-items:start}
  .card .ic{grid-row:span 2;width:44px;height:44px;margin:0;border-radius:12px}
  .card .ic svg{width:22px;height:22px}
  .card h3{margin:0 0 .2em;font-size:1.02rem}
  .cards4,.srv,.steps{gap:12px}
  .srv-i{padding:20px 18px}
  .num{margin-bottom:8px}
  .steps li{padding:18px 18px 16px 64px}
  .steps li::before{left:16px;top:16px}
  .lsf-grid{gap:24px}
  .compare{margin-top:40px}
  .tr span{padding:12px 14px}
  .insta{padding:16px 18px;gap:14px}
  .insta b{font-size:.95rem}
  .warranty{padding:28px 20px;gap:18px}
  .w-badge{width:108px;height:108px}
  .w-badge b{font-size:2.5rem}
  .faq summary{font-size:.95rem;padding:16px 28px 16px 0}
  .quote{gap:28px}
  .form{padding:18px;gap:12px;border-radius:20px}
  .f2.keep{grid-template-columns:1fr 1fr}
  .f3{grid-template-columns:1fr 1fr 1fr;gap:8px}
  .f3 label span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .f-btns{flex-direction:column}
  .f-btns .btn{width:100%}
  .foot{padding:44px 0 90px}
  .foot-in{gap:26px}
  .fab{right:14px;bottom:14px;width:54px;height:54px}
  .pd-hero{padding:28px 0 24px}
  .err-page{padding:56px 0}
}
@media (max-width:359px){
  .f2.keep,.f3{grid-template-columns:1fr}
  .brand-txt small{display:none}
}

/* ===== button motion ===== */
.btn{transition:background .25s,transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s,color .25s}
.btn:hover{box-shadow:0 10px 26px rgba(79,122,55,.42)}
.btn:focus-visible,.chip:focus-visible,.lang button:focus-visible,.burger:focus-visible{outline:3px solid var(--g300);outline-offset:3px}
.btn>span{position:relative;z-index:1}
/* arrow that slides on hover */
.btn .arr{position:relative;z-index:1;font-style:normal;display:inline-block;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.btn:hover .arr{transform:translateX(5px)}
.btn:active .arr{transform:translateX(9px)}
/* ghost / outline: colour fills up from below */
.btn-ghost,.btn-outline{background-image:linear-gradient(currentColor,currentColor);background-repeat:no-repeat;background-position:50% 100%;background-size:100% 0}
.btn-ghost{box-shadow:inset 0 0 0 1.5px currentColor}
.btn-ghost:hover{background-color:transparent;background-size:100% 100%;box-shadow:inset 0 0 0 1.5px currentColor}
.btn-ghost:hover>span,.btn-ghost:hover .arr{color:var(--g800)}
.hero .btn-ghost:hover>span,.err-page .btn-ghost:hover>span{color:var(--g800)}
.f-btns .btn-ghost:hover>span,.f-btns .btn-ghost:hover .arr{color:#fff}
.btn-outline{background-image:linear-gradient(var(--g400),var(--g400))}
.btn-outline:hover{background-color:#fff;background-size:100% 100%;color:#fff}
.btn-ghost,.btn-outline{transition:background-size .35s cubic-bezier(.2,.7,.2,1),transform .25s,box-shadow .25s,color .25s}
/* gentle breathing glow on the main call-to-action */
.btn-glow{animation:glow 3.2s ease-in-out 1.6s infinite}
.btn-glow:hover{animation:none}
@keyframes glow{0%,100%{box-shadow:0 6px 18px rgba(79,122,55,.35),0 0 0 0 rgba(139,191,90,.45)}50%{box-shadow:0 6px 18px rgba(79,122,55,.35),0 0 0 10px rgba(139,191,90,0)}}
/* ripple on tap / click */
.btn,.chip,.lang button,.ly,.burger{position:relative;overflow:hidden}
.ripple{position:absolute;border-radius:50%;pointer-events:none;background:rgba(255,255,255,.45);transform:scale(0);animation:ripple .6s ease-out forwards;z-index:0}
.btn-ghost .ripple,.btn-outline .ripple,.chip .ripple,.ly .ripple{background:rgba(79,122,55,.25)}
@keyframes ripple{to{transform:scale(1);opacity:0}}
/* small controls react to press */
.chip:active,.lang button:active,.burger:active,.svc span:active{transform:scale(.94)}
.lang button{transition:background .25s,color .25s,transform .15s}
.svc span{transition:background .2s,border-color .2s,color .2s,transform .15s}
/* sending state */
.btn.loading{pointer-events:none}
.btn.loading>span,.btn.loading .arr{opacity:0}
.btn.loading::before{content:"";position:absolute;left:50%;top:50%;width:20px;height:20px;margin:-10px 0 0 -10px;border-radius:50%;
  border:2.5px solid currentColor;border-right-color:transparent;animation:spin .7s linear infinite;z-index:2}
.btn-ghost.loading::before{color:var(--g500)}
/* floating WhatsApp button: soft pulse ring */
.fab::before{content:"";position:absolute;inset:0;border-radius:50%;box-shadow:0 0 0 0 rgba(37,211,102,.55);animation:fabPulse 2.6s ease-out 2s infinite}
@keyframes fabPulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%,100%{box-shadow:0 0 0 16px rgba(37,211,102,0)}}
.fab{overflow:visible}
/* "back to top" style arrow on Instagram card already moves; header CTA lift */
.btn-sm:hover{transform:translateY(-1px)}
@media (hover:none){
  .btn:hover{transform:none;box-shadow:0 6px 18px rgba(79,122,55,.35)}
  .btn:hover::after{transform:translateX(-120%)}
  .btn-ghost:hover,.btn-outline:hover{background-size:100% 0}
  .btn-ghost:hover>span,.btn-ghost:hover .arr,.f-btns .btn-ghost:hover>span{color:inherit}
  .btn-outline:hover{color:var(--g600)}
  .btn:hover .arr{transform:none}
}
@media (prefers-reduced-motion:reduce){
  .btn-glow,.fab::before{animation:none!important}
  .ripple{display:none}
}
/* fill effect must win over the older hover backgrounds */
.btn-ghost:hover,.f-btns .btn-ghost:hover{background-image:linear-gradient(currentColor,currentColor);background-repeat:no-repeat;background-position:50% 100%;background-size:100% 100%;background-color:transparent}
.btn-outline:hover{background-image:linear-gradient(var(--g400),var(--g400));background-repeat:no-repeat;background-position:50% 100%;background-size:100% 100%;background-color:#fff}
@media (hover:none){
  .btn-ghost:hover,.f-btns .btn-ghost:hover,.btn-outline:hover{background-size:100% 0}
}
@media (max-width:620px){
  .hero-cta .btn{font-size:.95rem;padding:1em 1em;gap:.45em}
  .btn-arrow{text-wrap:balance}
}