/* pvcdurvis.lv — AK31 Lab, 2026 */
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:300 800;font-display:swap;src:url(fonts/inter-tight-latin-wght-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:300 800;font-display:swap;src:url(fonts/inter-tight-latin-ext-wght-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:300 800;font-display:swap;src:url(fonts/inter-tight-cyrillic-wght-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Cormorant";font-style:italic;font-weight:600;font-display:swap;src:url(fonts/cormorant-garamond-latin-600-italic.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"Cormorant";font-style:italic;font-weight:600;font-display:swap;src:url(fonts/cormorant-garamond-latin-ext-600-italic.woff2) format("woff2");unicode-range:U+0100-02BA,U+1E00-1E9F}
@font-face{font-family:"Cormorant";font-style:italic;font-weight:600;font-display:swap;src:url(fonts/cormorant-garamond-cyrillic-600-italic.woff2) format("woff2");unicode-range:U+0400-045F,U+0490-0491}

:root{
  --bg:#f4f1eb; --bg2:#ebe6dd; --paper:#fbfaf7; --ink:#191b1d; --ink2:#4a4e53; --mute:#7b7f84;
  --line:#d9d3c8; --dark:#1f2326; --dark2:#2b3034; --oak:#a8703f; --oak2:#c98f55; --glass:#9fb2bd;
  --r:18px; --maxw:1240px; --g:clamp(16px,4vw,40px);
  --f:"Inter Tight",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif; --s:"Cormorant",Georgia,serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--f);overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-weight:650;letter-spacing:-.025em;line-height:1.08;margin:0}
h1{font-size:clamp(40px,6.4vw,84px)}
h2{font-size:clamp(32px,4.4vw,58px)}
h3{font-size:clamp(19px,1.7vw,22px);letter-spacing:-.01em;line-height:1.25}
em.s{font-family:var(--s);font-style:italic;font-weight:600;letter-spacing:-.01em;color:var(--oak);font-size:1.08em}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--g)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink2);margin-bottom:22px}
.eyebrow:before{content:"";width:28px;height:1px;background:currentColor}
.lead{font-size:clamp(18px,1.6vw,21px);color:var(--ink2);max-width:640px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 26px;border-radius:999px;background:var(--ink);color:#fff;text-decoration:none;font-weight:600;font-size:16px;border:0;cursor:pointer;font-family:inherit;transition:transform .2s,background .2s}
.btn:hover{background:#000;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn.oak{background:var(--oak)}.btn.oak:hover{background:#8f5c30}
.btn svg{width:18px;height:18px}
section{padding:clamp(72px,10vw,140px) 0}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:clamp(40px,5vw,64px)}
.sec-head p{color:var(--ink2);margin:0;max-width:520px}
@media (max-width:860px){.sec-head{grid-template-columns:1fr;gap:18px}}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(244,241,235,.86);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
.top.scrolled{border-color:var(--line)}
.top .wrap{display:flex;align-items:center;gap:22px;height:74px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:21px;letter-spacing:-.02em;white-space:nowrap}
.logo svg{width:30px;height:38px}
.logo b{font-weight:750}.logo i{font-family:var(--s);font-weight:600;font-size:1.15em;color:var(--oak)}
.nav{display:flex;gap:26px;margin-left:auto;list-style:none;padding:0}
.nav a{text-decoration:none;font-size:15px;font-weight:500;color:var(--ink2)}
.nav a:hover{color:var(--ink)}
.tel{text-decoration:none;font-weight:600;font-size:15px;white-space:nowrap}
.lang{display:flex;gap:2px;font-size:13px;font-weight:600}
.lang a{padding:6px 8px;border-radius:8px;text-decoration:none;color:var(--mute)}
.lang a[aria-current]{color:var(--ink);background:var(--bg2)}
.top .btn{padding:11px 18px;font-size:14px}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;padding:10px}
.burger i{display:block;height:2px;background:var(--ink);margin:6px 0;border-radius:2px}
@media (max-width:1080px){.nav,.top .tel{display:none}.burger{display:block;margin-left:auto}.top .btn{display:none}}
.drawer{display:none;position:fixed;inset:74px 0 0;background:var(--bg);z-index:49;padding:28px var(--g);overflow:auto}
.drawer.open{display:block}
.drawer a{display:block;font-size:26px;font-weight:600;text-decoration:none;padding:12px 0;border-bottom:1px solid var(--line)}
.drawer .btn{margin-top:24px;font-size:17px;border:0}

/* hero */
.hero{padding:clamp(28px,4vw,56px) 0 clamp(56px,7vw,96px)}
.hero-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:clamp(28px,4vw,64px);align-items:center}
.hero h1{margin-bottom:26px}
.hero .lead{margin-bottom:34px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.hero-img{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/5;background:var(--bg2)}
.hero-img img{width:100%;height:100%;object-fit:cover}
.hero-badge{position:absolute;left:18px;bottom:18px;background:rgba(251,250,247,.92);backdrop-filter:blur(8px);border-radius:14px;padding:14px 18px;font-size:14px;line-height:1.35;max-width:260px}
.hero-badge b{display:block;font-size:26px;letter-spacing:-.02em}
.specs{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:clamp(48px,6vw,80px)}
.specs div{padding:22px 18px 0 0}
.specs b{display:block;font-size:clamp(30px,3.4vw,44px);font-weight:650;letter-spacing:-.03em;line-height:1}
.specs b small{font-size:.45em;font-weight:600;margin-left:3px;color:var(--ink2)}
.specs span{display:block;color:var(--ink2);font-size:15px;margin-top:8px}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-img{aspect-ratio:4/3}.specs{grid-template-columns:1fr 1fr;row-gap:18px}}

/* placeholder for images not yet generated */
.ph{position:relative;background:repeating-linear-gradient(135deg,#e6e0d5 0 14px,#ece7de 14px 28px);display:flex;align-items:center;justify-content:center;color:#8a8070;font:600 13px/1.3 var(--f);letter-spacing:.08em;text-transform:uppercase;text-align:center;padding:16px}
.ph:after{content:attr(data-ph)}
.ph{width:100%;height:100%}

/* construction */
.build{background:var(--paper)}
.build-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,80px);align-items:center}
.xsec{background:#fff;border-radius:var(--r);padding:clamp(18px,3vw,36px)}
.xsec svg{width:100%;height:auto}
.xsec img{width:100%;max-height:520px;object-fit:contain}
.xsec text{font:500 13px var(--f);fill:var(--ink2)}
.list{list-style:none;padding:0;margin:28px 0 0}
.list li{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:18px 0;border-top:1px solid var(--line)}
.list li b{font-size:22px;letter-spacing:-.02em}
.list li span{color:var(--ink2)}
@media (max-width:900px){.build-grid{grid-template-columns:1fr}.list li{grid-template-columns:90px 1fr}}

/* configurator */
.cfg{background:var(--dark);color:#eef0f1}
.cfg .eyebrow,.cfg .sec-head p{color:#aeb4b9}
.cfg-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(28px,4vw,64px);align-items:start}
.stage{position:sticky;top:96px;border-radius:var(--r);background:linear-gradient(180deg,#dcd7cd calc(100% - 30px),#b7b0a4 0);padding:40px 0 30px;align-items:flex-end;display:flex;justify-content:center;overflow:hidden;min-height:540px}
.stage:before{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 50% 30%,rgba(255,255,255,.55),transparent 70%);pointer-events:none}
.stage .door{position:relative;width:min(440px,92%);height:auto;filter:drop-shadow(0 26px 30px rgba(0,0,0,.28))}
.stage .tag{position:absolute;left:16px;top:16px;background:rgba(25,27,29,.82);color:#fff;border-radius:10px;padding:8px 12px;font-size:13px;line-height:1.3}
.stage .tag b{display:block;font-size:15px}
.ctl h3{font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:#aeb4b9;margin:0 0 14px;font-weight:600}
.ctl+.ctl{margin-top:34px}
.models{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.models button{background:#2b3034;border:1.5px solid transparent;border-radius:12px;padding:10px 6px 8px;color:#cfd3d6;cursor:pointer;font:500 12px/1.25 var(--f);display:flex;flex-direction:column;align-items:center;gap:6px}
.models button svg{width:40px;height:54px}
.models button[aria-pressed=true]{border-color:var(--oak2);color:#fff;background:#353b40}
.sw{display:flex;flex-wrap:wrap;gap:8px}
.sw button{width:46px;height:46px;border-radius:50%;border:2px solid transparent;padding:3px;background:none;cursor:pointer;position:relative}
.sw button span{display:block;width:100%;height:100%;border-radius:50%;background-size:cover;background-position:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.sw button[aria-pressed=true]{border-color:var(--oak2)}
.sw button:focus-visible,.models button:focus-visible,.seg button:focus-visible{outline:2px solid #fff;outline-offset:2px}
.sw-note{font-size:14px;color:#aeb4b9;margin:12px 0 10px}
.seg{display:inline-flex;background:#2b3034;border-radius:999px;padding:4px}
.seg button{border:0;background:none;color:#cfd3d6;font:500 14px var(--f);padding:9px 16px;border-radius:999px;cursor:pointer}
.seg button[aria-pressed=true]{background:#eef0f1;color:var(--ink)}
.cfg .pick{margin-top:38px;padding-top:26px;border-top:1px solid #3a4045;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.cfg .pick p{margin:0;color:#aeb4b9;font-size:15px;max-width:360px}
@media (max-width:900px){.cfg-grid{grid-template-columns:1fr}.stage{position:relative;top:0;min-height:0;padding-top:24px}.stage .door{width:min(360px,94%)}.models{grid-template-columns:repeat(4,1fr)}}

/* uses */
.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,24px)}
.use{background:var(--paper);border-radius:var(--r);overflow:hidden}
.use .im{aspect-ratio:3/2;background:var(--bg2)}
.use .im img,.use .im .ph{width:100%;height:100%;object-fit:cover}
.use div.t{padding:20px 22px 24px}
.use p{color:var(--ink2);margin:8px 0 0;font-size:16px}
@media (max-width:900px){.uses{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.uses{grid-template-columns:1fr}}

/* custom */
.custom{background:var(--paper)}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,48px)}
.cols3 .n{font-family:var(--s);font-style:italic;font-weight:600;font-size:44px;color:var(--oak);line-height:1;display:block;margin-bottom:14px}
.cols3 p{color:var(--ink2);margin-top:12px}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px,2vw,24px);margin-top:clamp(40px,5vw,64px)}
.duo .im{aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;background:var(--bg2)}
.duo .im img,.duo .im .ph{width:100%;height:100%;object-fit:cover}
@media (max-width:900px){.cols3{grid-template-columns:1fr}}

/* process */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0;counter-reset:s;border-top:1px solid var(--line)}
.steps li{padding:28px 28px 34px 0;border-bottom:1px solid var(--line);counter-increment:s}
.steps li:before{content:"0" counter(s);display:block;font-size:14px;font-weight:600;color:var(--oak);letter-spacing:.1em;margin-bottom:14px}
.steps p{color:var(--ink2);margin:10px 0 0;font-size:16px}
.proc-img{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px,2vw,24px);margin-bottom:clamp(36px,4vw,56px)}
.proc-img .im{aspect-ratio:3/2;border-radius:var(--r);overflow:hidden;background:var(--bg2)}
.proc-img .im img,.proc-img .im .ph{width:100%;height:100%;object-fit:cover}
.note{margin-top:28px;display:inline-flex;gap:12px;align-items:center;background:var(--paper);border-radius:999px;padding:12px 20px;font-weight:600}
.note:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--oak)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.steps,.proc-img{grid-template-columns:1fr}}

/* reasons */
.reasons{background:var(--dark);color:#eef0f1}
.reasons .eyebrow,.reasons .sec-head p{color:#aeb4b9}
.rs{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(32px,5vw,80px)}
.r{display:grid;grid-template-columns:64px 1fr;gap:10px;padding:28px 0;border-top:1px solid #3a4045}
.r .n{font-family:var(--s);font-style:italic;font-weight:600;font-size:40px;line-height:1;color:var(--oak2)}
.r p{color:#b9bfc4;margin:10px 0 0;font-size:16px}
@media (max-width:900px){.rs{grid-template-columns:1fr}}

/* why pvc */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,24px)}
.why div{background:var(--paper);border-radius:var(--r);padding:30px 28px}
.why p{color:var(--ink2);margin:12px 0 0;font-size:16px}
.why svg{width:40px;height:40px;margin-bottom:22px;color:var(--oak)}
.quote{margin:clamp(40px,5vw,72px) auto 0;max-width:900px;text-align:center;font-family:var(--s);font-style:italic;font-weight:600;font-size:clamp(26px,3vw,38px);line-height:1.25;color:var(--ink)}
@media (max-width:900px){.why{grid-template-columns:1fr}}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:clamp(150px,18vw,240px);gap:clamp(10px,1.4vw,18px)}
.gal .im{border-radius:14px;overflow:hidden;background:var(--bg2)}
.gal .im img,.gal .im .ph{width:100%;height:100%;object-fit:cover}
.gal .w2{grid-column:span 2}.gal .h2{grid-row:span 2}
@media (max-width:700px){.gal{grid-template-columns:1fr 1fr}.gal .w2{grid-column:span 2}}

/* contact */
.contact{background:var(--paper)}
.ct-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,5vw,80px)}
.ct-list{list-style:none;padding:0;margin:30px 0 0}
.ct-list li{padding:16px 0;border-top:1px solid var(--line)}
.ct-list small{display:block;color:var(--mute);font-size:13px;letter-spacing:.08em;text-transform:uppercase;font-weight:600}
.ct-list a{font-size:22px;font-weight:600;text-decoration:none;letter-spacing:-.01em}
.ct-list p{margin:4px 0 0;color:var(--ink2)}
form.req{background:var(--bg);border-radius:var(--r);padding:clamp(22px,3vw,40px)}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld{display:block;margin-bottom:14px}
.fld span{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.fld input,.fld textarea{width:100%;font:400 17px var(--f);padding:14px 16px;border-radius:12px;border:1.5px solid var(--line);background:#fff;color:var(--ink)}
.fld textarea{min-height:110px;resize:vertical}
.fld input:focus,.fld textarea:focus{outline:none;border-color:var(--ink)}
.fld .bad{border-color:#c0392b}
.chosen{display:none;background:#fff;border-radius:12px;padding:12px 14px;margin-bottom:14px;font-size:15px;border:1.5px dashed var(--oak)}
.chosen.on{display:block}
.consent{font-size:13px;color:var(--mute);margin:14px 0 0}
.ok{display:none;text-align:center;padding:40px 10px}
.ok b{display:block;font-size:26px;margin-bottom:8px}
form.req.sent .ok{display:block}form.req.sent .fi{display:none}
.hp{position:absolute;left:-9999px}
@media (max-width:900px){.ct-grid{grid-template-columns:1fr}}
@media (max-width:520px){.f2{grid-template-columns:1fr}}

/* footer */
footer{background:var(--dark);color:#b9bfc4;padding:56px 0 34px;font-size:15px}
.ft{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
footer .logo{color:#fff;margin-bottom:14px}
footer a{color:#e6e9eb;text-decoration:none}footer a:hover{text-decoration:underline}
footer ul{list-style:none;padding:0;margin:0}footer li{margin:6px 0}
.fb{border-top:1px solid #3a4045;margin-top:40px;padding-top:22px;display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;font-size:13px;color:#8d9399}
@media (max-width:800px){.ft{grid-template-columns:1fr}}

/* text pages */
.doc{max-width:820px;margin:0 auto;padding:clamp(40px,6vw,80px) var(--g)}
.doc h1{font-size:clamp(34px,5vw,56px);margin-bottom:28px}
.doc h2{font-size:22px;letter-spacing:-.01em;margin:36px 0 12px}
.doc p,.doc li{color:var(--ink2)}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
.rv.in{opacity:1;transform:none}
.no-js .rv{opacity:1;transform:none}