/* REAL — промышленный B2B-сайт производителя ПЭ-труб.
   Концепция: «маркировка трубы» — тонкие голубые полосы, как на напорной трубе,
   моноширинные подписи в стиле лазерной маркировки, крупные реальные фото завода. */
:root{
  --navy:#0E3466; --navy-deep:#0A2547; --stripe:#1E9BE0; --stripe-soft:#D7ECFA;
  --ink:#0F1A28; --muted:#55667C; --paper:#FFFFFF; --mist:#EFF4FA; --line:#D5DFEB;
  --pipe:#13171D; --on-navy:#FFFFFF; --on-navy-muted:#B9CBE3;
  --ok:#137A4A; --ok-bg:#E3F4EA; --err:#B42318; --err-bg:#FDECEA; --warn-bg:#FFF6DB; --warn:#7A5300;
  --wa:#1C9E50;
  --f-display:"Unbounded","Golos Text",system-ui,sans-serif;
  --f-body:"Golos Text",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
  --r:6px; --r-lg:12px; --max:1200px;
  --shadow:0 1px 2px rgba(10,37,71,.06),0 8px 24px rgba(10,37,71,.08);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --navy:#1B4C8C; --navy-deep:#0B1B33; --stripe:#4AB6F2; --stripe-soft:#123553;
  --ink:#E8EEF6; --muted:#9FB1C8; --paper:#0A1424; --mist:#0F1D33; --line:#22354F;
  --pipe:#05080D; --on-navy:#FFFFFF; --on-navy-muted:#B9CBE3;
  --ok:#5BD69A; --ok-bg:#0E2E20; --err:#FF8A80; --err-bg:#3A1512; --warn-bg:#33290B; --warn:#F3D27A; --wa:#25B862;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35); color-scheme:dark}}
:root[data-theme="dark"]{
  --navy:#1B4C8C; --navy-deep:#0B1B33; --stripe:#4AB6F2; --stripe-soft:#123553;
  --ink:#E8EEF6; --muted:#9FB1C8; --paper:#0A1424; --mist:#0F1D33; --line:#22354F;
  --pipe:#05080D; --on-navy:#FFFFFF; --on-navy-muted:#B9CBE3;
  --ok:#5BD69A; --ok-bg:#0E2E20; --err:#FF8A80; --err-bg:#3A1512; --warn-bg:#33290B; --warn:#F3D27A; --wa:#25B862;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35); color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--f-body);text-rendering:optimizeLegibility}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--paper)}
img,video{max-width:100%;display:block;height:auto}
a{color:var(--navy)}
:root[data-theme="dark"] a{color:var(--stripe)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) a{color:var(--stripe)}}
h1,h2,h3{font-family:var(--f-display);line-height:1.15;text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(1.75rem,1.2rem + 2.6vw,3.1rem);font-weight:700}
h2{font-size:clamp(1.4rem,1.1rem + 1.4vw,2.1rem);font-weight:600}
h3{font-size:1.08rem;font-weight:600;font-family:var(--f-body);letter-spacing:0}
p{margin:0}
:focus-visible{outline:3px solid var(--stripe);outline-offset:2px}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}

.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.section{padding-block:clamp(48px,6vw,88px)}
.section.tint{background:var(--mist)}
.section-head{display:grid;gap:12px;max-width:760px;margin-bottom:32px}
.section-head p{color:var(--muted);font-size:1.05rem}
.mark{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--stripe);display:flex;align-items:center;gap:10px}
.mark::before{content:"";width:28px;height:3px;background:var(--stripe);border-radius:2px;flex:none}
.lead{font-size:1.12rem;color:var(--muted);max-width:62ch}
.prose{max-width:70ch;display:grid;gap:16px}
.prose h2{margin-top:16px}
.prose ul,.prose ol{margin:0;padding-left:1.2em;display:grid;gap:6px}
.muted{color:var(--muted)}
.small{font-size:.875rem}
.mono{font-family:var(--f-mono)}
.tnum{font-variant-numeric:tabular-nums}

/* buttons */
.btn{--bg:var(--navy);--fg:#fff;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 20px;border-radius:var(--r);border:1.5px solid var(--bg);background:var(--bg);color:var(--fg)!important;font:600 1rem/1.2 var(--f-body);text-decoration:none;cursor:pointer;transition:transform .15s,background .15s,border-color .15s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{--bg:var(--stripe);--fg:#06213F}
.btn.primary:hover{--bg:#43AEEA}
.btn.ghost{background:transparent;color:var(--ink)!important;border-color:var(--line)}
.btn.ghost:hover{border-color:var(--stripe)}
.btn.on-dark{background:transparent;color:#fff!important;border-color:rgba(255,255,255,.45)}
.btn.on-dark:hover{border-color:#fff}
.btn.wa{--bg:var(--wa);--fg:#fff}
.btn.sm{min-height:40px;padding:8px 14px;font-size:.92rem}
.btn.block{width:100%}
.btn svg{width:20px;height:20px;flex:none}
.btn[disabled]{opacity:.6;cursor:progress;transform:none}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* preview banner */
.preview-bar{background:var(--warn-bg);color:var(--warn);font-size:.85rem;padding-block:8px;text-align:center}
.preview-bar a{color:inherit;font-weight:600}

/* header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;gap:12px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)!important;flex:none}
.brand img{width:48px;height:48px}
.brand b{font-family:var(--f-display);font-size:1.1rem;letter-spacing:.02em;display:block;line-height:1}
.brand span{font-size:.72rem;color:var(--muted);display:block;line-height:1.2;margin-top:3px}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{padding:8px 8px;border-radius:var(--r);text-decoration:none;color:var(--ink)!important;font-size:.93rem;font-weight:500;white-space:nowrap}
.nav a:hover{background:var(--mist)}
.nav a[aria-current="page"]{color:var(--navy)!important;box-shadow:inset 0 -2px 0 var(--stripe)}
.hdr-tools{display:flex;align-items:center;gap:10px}
.hdr-phone{font-family:var(--f-mono);font-weight:600;text-decoration:none;color:var(--ink)!important;white-space:nowrap;font-size:.95rem}
.lang{display:flex;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;flex:none}
.lang a{padding:6px 9px;font:600 .78rem/1 var(--f-mono);text-decoration:none;color:var(--muted)!important}
.lang a[aria-current="true"]{background:var(--navy);color:#fff!important}
.menu-btn{display:none;margin-left:auto;width:48px;height:48px;border:1px solid var(--line);border-radius:var(--r);background:transparent;color:var(--ink);cursor:pointer}
.menu-btn svg{width:24px;height:24px}
@media (max-width:1340px){.hdr-phone{display:none}}
@media (max-width:1120px){
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .nav,.hdr-tools .btn{display:none}
  .hdr-tools{order:3}
  .site-header.open .nav{display:grid;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--line);padding:8px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px));box-shadow:var(--shadow)}
  .site-header.open .nav a{padding:14px 8px;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav .nav-cta{display:flex!important;margin-top:12px}
}
.nav .nav-cta{display:none}
.nav-cta{gap:10px;flex-wrap:wrap}

/* hero */
.hero{position:relative;color:#fff;background:var(--navy-deep);overflow:hidden;isolation:isolate}
.hero picture,.hero .hero-img{position:absolute;inset:0;z-index:-2}
.hero .hero-img{width:100%;height:100%;object-fit:cover;object-position:60% 50%}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(8,30,60,.94) 0%,rgba(8,30,60,.86) 42%,rgba(8,30,60,.35) 75%,rgba(8,30,60,.15) 100%)}
@media (max-width:760px){.hero::after{background:linear-gradient(180deg,rgba(8,30,60,.55) 0%,rgba(8,30,60,.9) 45%,rgba(8,30,60,.96) 100%)}}
.hero-in{padding-block:clamp(56px,8vw,112px) 40px;display:grid;gap:22px;max-width:700px}
.hero h1{color:#fff}
.hero .lead{color:#D4E2F3}
.hero .mark{color:#7FD0FF}.hero .mark::before{background:#7FD0FF}
.hero-contacts{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;font-size:.95rem;color:#D4E2F3}
.hero-contacts a{color:#fff;font-family:var(--f-mono);font-weight:600;text-decoration:none;font-size:1.05rem}
.proof{display:flex;flex-wrap:wrap;gap:8px}
.proof span{font:500 .8rem/1.2 var(--f-mono);padding:7px 10px;border:1px solid rgba(255,255,255,.28);border-radius:4px;color:#E6F1FC;background:rgba(255,255,255,.06)}
/* pipe marking strip */
.marking{position:relative;background:var(--pipe);color:#C9D3DE;overflow:hidden;border-top:3px solid var(--stripe);border-bottom:3px solid var(--stripe)}
.marking-track{display:flex;width:max-content;animation:print 40s linear infinite}
.marking-track span{font:500 .82rem/1 var(--f-mono);letter-spacing:.06em;padding:14px 0;white-space:nowrap}
@keyframes print{to{transform:translateX(-50%)}}

/* grid helpers */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:960px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:minmax(0,1fr)}}
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
@media (max-width:860px){.split{grid-template-columns:minmax(0,1fr)}}

/* category cards */
.cat{display:grid;grid-template-rows:auto 1fr;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--paper);text-decoration:none;color:var(--ink)!important;transition:border-color .2s,box-shadow .2s}
.cat:hover{border-color:var(--stripe);box-shadow:var(--shadow)}
.cat img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cat-body{padding:20px;display:grid;gap:10px;align-content:start}
.cat-range{font:600 1.5rem/1 var(--f-display);color:var(--navy)}
:root[data-theme="dark"] .cat-range{color:var(--stripe)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .cat-range{color:var(--stripe)}}
.cat-body .more{font-weight:600;color:var(--stripe);margin-top:4px}

/* feature list */
.feat{display:grid;gap:8px;padding-top:18px;border-top:3px solid var(--stripe)}
.feat p{color:var(--muted)}

/* photo grid */
.photos{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.photos figure{margin:0;position:relative;border-radius:var(--r);overflow:hidden;background:var(--mist)}
.photos img,.photos video{width:100%;height:100%;object-fit:cover;aspect-ratio:9/14}
.photos .wide{grid-column:span 2}
.photos .wide img{aspect-ratio:auto;height:100%}
.photos figcaption{position:absolute;left:0;right:0;bottom:0;padding:24px 10px 8px;font:500 .75rem/1.3 var(--f-mono);color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.72))}
@media (max-width:860px){.photos{grid-template-columns:repeat(2,minmax(0,1fr))}.photos .wide{grid-column:span 2}}

/* timeline */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative}
.timeline li{list-style:none;padding:28px 20px 0 0;position:relative;display:grid;gap:6px;align-content:start}
.timeline li::before{content:"";position:absolute;top:8px;left:0;right:0;height:3px;background:var(--line)}
.timeline li::after{content:"";position:absolute;top:2px;left:0;width:15px;height:15px;border-radius:50%;background:var(--paper);border:3px solid var(--stripe)}
.timeline b{font:700 1.6rem/1 var(--f-display);color:var(--navy)}
:root[data-theme="dark"] .timeline b{color:var(--stripe)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .timeline b{color:var(--stripe)}}
.timeline p{color:var(--muted);font-size:.95rem}
.timeline{padding:0;margin:0}
@media (max-width:760px){.timeline{grid-template-columns:minmax(0,1fr)}.timeline li{padding:0 0 24px 32px}.timeline li::before{top:0;bottom:0;left:6px;right:auto;width:3px;height:auto}.timeline li::after{top:4px}}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;padding:0;margin:0}
.steps li{list-style:none;counter-increment:s;display:grid;gap:6px;align-content:start;padding:18px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper)}
.steps li::before{content:counter(s,decimal-leading-zero);font:600 .85rem/1 var(--f-mono);color:var(--stripe)}
.steps p{color:var(--muted);font-size:.93rem}
@media (max-width:1000px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.steps{grid-template-columns:minmax(0,1fr)}}

/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{font:600 .75rem/1.2 var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--mist);white-space:nowrap}
tr:last-child td{border-bottom:0}
td.num,th.num{font-variant-numeric:tabular-nums;font-family:var(--f-mono)}
.sdr-table td:first-child{font-weight:600}

/* SDR visual */
.sdr-vis{display:flex;gap:18px;flex-wrap:wrap;align-items:flex-end}
.sdr-vis figure{margin:0;display:grid;gap:6px;justify-items:center;font:500 .8rem/1.2 var(--f-mono);color:var(--muted)}
.sdr-vis canvas{width:96px;height:96px}

/* calc */
.calc{border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(18px,3vw,28px);background:var(--paper);display:grid;gap:18px}
.calc-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:520px){.calc-row{grid-template-columns:minmax(0,1fr)}}
.calc-out{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.calc-out div{background:var(--mist);border-radius:var(--r);padding:12px;display:grid;gap:2px}
.calc-out b{font:600 1.3rem/1.2 var(--f-mono);font-variant-numeric:tabular-nums}
.calc-out span{font-size:.78rem;color:var(--muted)}
@media (max-width:520px){.calc-out{grid-template-columns:minmax(0,1fr)}}

/* forms */
.form{display:grid;gap:14px}
.form-card{border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(18px,3vw,32px);background:var(--paper);box-shadow:var(--shadow)}
.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.fields .full{grid-column:1/-1}
@media (max-width:560px){.fields{grid-template-columns:minmax(0,1fr)}}
.field{display:grid;gap:6px;min-width:0}
.field label{font-weight:600;font-size:.9rem}
.field .req{color:var(--err)}
input,select,textarea{font:inherit;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:var(--r);padding:12px 12px;min-height:48px;width:100%}
textarea{min-height:96px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--stripe);outline:none;box-shadow:0 0 0 3px var(--stripe-soft)}
input[aria-invalid="true"],select[aria-invalid="true"]{border-color:var(--err)}
.err-msg{color:var(--err);font-size:.82rem}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--muted)}
.check input{width:20px;height:20px;min-height:0;margin-top:2px;flex:none;accent-color:var(--navy)}
.hp{position:absolute!important;left:-9999px!important;height:0;overflow:hidden}
.form-status{border-radius:var(--r);padding:12px 14px;font-size:.93rem}
.form-status.ok{background:var(--ok-bg);color:var(--ok)}
.form-status.err{background:var(--err-bg);color:var(--err)}
.form-status.info{background:var(--warn-bg);color:var(--warn)}
.form-note{font-size:.8rem;color:var(--muted)}

/* catalog */
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:20px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1.5px solid var(--line);background:var(--paper);color:var(--ink);border-radius:999px;padding:8px 14px;font:500 .9rem/1 var(--f-body);cursor:pointer;min-height:40px}
.chip[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.search{max-width:220px}
.view-toggle{display:flex;border:1.5px solid var(--line);border-radius:var(--r);overflow:hidden}
.view-toggle button{border:0;background:var(--paper);color:var(--muted);padding:8px 14px;cursor:pointer;font:500 .88rem var(--f-body);min-height:40px}
.view-toggle button[aria-pressed="true"]{background:var(--mist);color:var(--ink)}
.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.pcard{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--paper);display:grid;grid-template-rows:auto 1fr}
.pcard-img{position:relative;aspect-ratio:16/10;background:var(--pipe);overflow:hidden}
.pcard-img img{width:100%;height:100%;object-fit:cover;opacity:.9}
.pcard-d{position:absolute;left:12px;bottom:10px;font:700 1.6rem/1 var(--f-display);color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.6)}
.pcard-body{padding:16px;display:grid;gap:10px;align-content:space-between}
.spec{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:.86rem;margin:0}
.spec dt{color:var(--muted)}
.spec dd{margin:0;font-weight:500}
.pcard .btn-row{gap:8px}
.pcard .btn{flex:1 1 auto}
.badge{display:inline-block;font:600 .7rem/1 var(--f-mono);letter-spacing:.04em;text-transform:uppercase;padding:5px 7px;border-radius:4px;background:var(--stripe-soft);color:var(--navy)}
:root[data-theme="dark"] .badge{color:var(--stripe)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .badge{color:var(--stripe)}}
.empty{padding:32px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--r-lg)}

/* faq */
.faq{display:grid;gap:10px;max-width:860px}
.faq details{border:1px solid var(--line);border-radius:var(--r);background:var(--paper)}
.faq summary{cursor:pointer;padding:16px 18px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";font:600 1.2rem/1 var(--f-mono);color:var(--stripe)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 18px 16px;color:var(--muted)}

/* certificates */
.certs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (max-width:700px){.certs{grid-template-columns:minmax(0,1fr)}}
.cert{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--paper);display:grid;grid-template-columns:160px minmax(0,1fr)}
.cert button{border:0;padding:0;background:var(--mist);cursor:zoom-in}
.cert img{width:100%;height:100%;object-fit:cover;object-position:top}
.cert-body{padding:16px;display:grid;gap:6px;align-content:start;font-size:.92rem}
.cert-body b{font-size:1rem}
@media (max-width:420px){.cert{grid-template-columns:minmax(0,1fr)}.cert img{aspect-ratio:4/3}}

/* CTA band */
.cta-band{background:var(--navy);color:#fff}
.cta-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding-block:36px}
.cta-band h2{color:#fff;font-size:clamp(1.2rem,1rem + 1vw,1.7rem)}
.cta-band p{color:var(--on-navy-muted)}

/* contact card */
.contact-list{display:grid;gap:14px}
.contact-item{display:grid;gap:2px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.contact-item span{font:500 .75rem/1.2 var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.contact-item a,.contact-item b{font-size:1.1rem;font-weight:600;text-decoration:none;color:var(--ink)!important}
.copy{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:4px;font-size:.75rem;padding:2px 8px;margin-left:8px;cursor:pointer;vertical-align:middle}

/* page head */
.page-head{background:var(--mist);border-bottom:1px solid var(--line)}
.page-head .wrap{padding-block:clamp(32px,5vw,64px);display:grid;gap:14px}
.crumbs{font:500 .78rem/1.3 var(--f-mono);color:var(--muted);display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--muted)!important;text-decoration:none}
.crumbs a:hover{color:var(--stripe)!important}

/* article cards */
.acard{display:grid;gap:8px;padding:20px;border:1px solid var(--line);border-radius:var(--r-lg);text-decoration:none;color:var(--ink)!important;background:var(--paper)}
.acard:hover{border-color:var(--stripe)}
.acard p{color:var(--muted);font-size:.93rem}

.note{border-left:3px solid var(--stripe);background:var(--mist);padding:14px 16px;border-radius:0 var(--r) var(--r) 0;font-size:.93rem}

/* footer */
.site-footer{background:var(--navy-deep);color:var(--on-navy-muted);font-size:.93rem}
.site-footer a{color:#fff!important;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.ft{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:28px;padding-block:48px 28px}
.ft h3{color:#fff;font-size:.8rem;font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}
.ft ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.ft-bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:18px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.82rem}
@media (max-width:860px){.ft{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.ft{grid-template-columns:minmax(0,1fr)}}

/* floating WhatsApp + mobile bar */
.fab-wa{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:40;width:58px;height:58px;border-radius:50%;background:var(--wa);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.fab-wa svg{width:30px;height:30px;fill:#fff}
.mbar{display:none}
@media (max-width:760px){
  .fab-wa{display:none}
  .mbar{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--paper);border-top:1px solid var(--line);padding:8px max(10px,env(safe-area-inset-right,0px)) calc(8px + env(safe-area-inset-bottom,0px)) max(10px,env(safe-area-inset-left,0px))}
  .mbar .btn{min-height:46px;padding:8px;font-size:.88rem}
  body{padding-bottom:70px}
}

/* modal */
.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:16px;background:rgba(5,15,30,.6)}
.modal[hidden]{display:none!important}
.modal-box{background:var(--paper);border-radius:var(--r-lg);max-width:560px;width:100%;max-height:calc(100dvh - 32px);overflow:auto;padding:clamp(18px,4vw,30px);position:relative;display:grid;gap:14px}
.modal-x{position:absolute;right:10px;top:10px;width:44px;height:44px;border:0;background:transparent;color:var(--muted);font-size:1.6rem;cursor:pointer}
.lightbox img{max-height:calc(100dvh - 80px);width:auto;margin:auto;border-radius:var(--r)}
.lightbox .modal-box{max-width:900px;background:transparent;padding:0}

/* leads admin (preview) */
.lead-row{border:1px solid var(--line);border-radius:var(--r);padding:14px;display:grid;gap:4px;font-size:.92rem;background:var(--paper)}
.lead-row b{font-size:1rem}
@media (max-width:860px){#product-form{position:static!important}}
@media (max-width:640px){.products{grid-template-columns:minmax(0,1fr)}.pcard-img{aspect-ratio:auto;height:84px}.pcard-d{font-size:1.35rem}}

/* ===== v2 — современное оформление (2026) ===== */
.site-header{background:color-mix(in srgb,var(--paper) 82%,transparent);-webkit-backdrop-filter:saturate(1.6) blur(14px);backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(10,37,71,.08)}
.btn{box-shadow:0 1px 0 rgba(255,255,255,.12) inset,0 6px 16px -8px var(--bg)}
.btn.primary{box-shadow:0 10px 24px -12px rgba(30,155,224,.8)}
.btn:active{transform:translateY(0) scale(.98)}
.btn.wa{box-shadow:0 10px 24px -12px rgba(28,158,80,.8)}
.hero{background:radial-gradient(1200px 600px at 85% -10%,rgba(30,155,224,.25),transparent 60%),var(--navy-deep)}
.hero-in{max-width:760px}
.hero h1{font-size:clamp(2rem,1.1rem + 3.2vw,3.6rem);letter-spacing:-.02em}
.hero .mark{background:rgba(127,208,255,.1);padding:6px 12px 6px 10px;border-radius:999px;width:max-content;max-width:100%;border:1px solid rgba(127,208,255,.25);line-height:1.4}
.hero .mark::before{width:8px;height:8px;border-radius:50%;background:#7FD0FF;box-shadow:0 0 0 4px rgba(127,208,255,.2)}
.hero .mark::before{content:""}
.proof{display:flex;flex-wrap:wrap;gap:8px}
.proof span{padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);font-size:.88rem;color:#E6EFFA;backdrop-filter:blur(6px)}
.cat{border-radius:18px;overflow:hidden;border:1px solid var(--line);background:var(--paper);box-shadow:0 1px 2px rgba(10,37,71,.04);transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s,border-color .35s}
.cat:hover{transform:translateY(-4px);box-shadow:0 22px 40px -18px rgba(10,37,71,.35);border-color:color-mix(in srgb,var(--stripe) 45%,var(--line))}
.cat img{transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.cat:hover img{transform:scale(1.05)}
.cat-body{padding:20px 22px 24px}
.more{font-weight:600;color:var(--navy)}
:root[data-theme="dark"] .more{color:var(--stripe)}
.feat{border-radius:18px;border:1px solid var(--line);background:var(--paper);padding:26px 24px;position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s}
.feat::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--stripe),var(--navy));transform:scaleX(.15);transform-origin:left;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.feat:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.feat:hover::before{transform:scaleX(1)}
.section.tint{background:linear-gradient(180deg,var(--mist),color-mix(in srgb,var(--mist) 60%,var(--paper)))}
.section-head h2{text-wrap:balance}
.timeline li{border-radius:14px}
.btn-row .btn{flex:0 1 auto}
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}
@media (max-width:640px){
  .hero-in{padding-block:48px 32px;gap:18px}
  .btn-row{gap:10px}
  .btn-row .btn{flex:1 1 100%}
  .cat-body{padding:16px 18px 20px}
  .feat{padding:22px 20px}
}
.hero-in{grid-template-columns:minmax(0,1fr)}
.hero-contacts{min-width:0}
@media (max-width:640px){.hero-contacts{flex-direction:column;align-items:flex-start;gap:4px}.hero-contacts span{font-size:.9rem;color:#B9CBE3}}