/* MASTER CHEMICALS — стили сайта.
   Тёмный дизайн: графитово-синий фон, карточки с тонкой рамкой, зелёный акцент. Палитра и радиусы заданы переменными в :root. */

:root{
  /* Палитра из дизайна: фон, карточки, рамки */
  --ink-900:#0F1318;   /* фон страницы */
  --ink-800:#121821;   /* чередующиеся секции */
  --ink-700:#1D2430;   /* карточка при наведении, тонкие линии */
  --ink-600:#263140;   /* рамки */
  --surface:#161C24;   /* карточки */
  --fg:#F1F5F9;        /* основной текст */
  --fg-2:#8A99AD;      /* второстепенный текст */
  --fg-3:#CBD5E1;      /* вводные абзацы */
  --accent:#2BB673;    /* фирменный зелёный: кнопки, заливки */
  --accent-600:#249C62;/* кнопка при наведении */
  --mint:#3DD99E;      /* светлый мятный: цифры, подписи, ссылки */
  --mint-600:#2BB673;
  --mint-ink:#3DD99E;
  --text:#F1F5F9;
  --text-2:#8A99AD;
  --paper-3:#161C24;
  --line-paper:#263140;
  --line-paper-2:#263140;
  --blue:#3E8FD8;
  --red:#D9544E;
  --display:"Geologica","Onest",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --body:"Onest",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --r:12px;
  --r-lg:16px;
  --gut:max(16px,env(safe-area-inset-left,0px));
  --gutr:max(16px,env(safe-area-inset-right,0px));
  --maxw:1180px;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink-900);color:var(--fg);font:400 16px/1.6 var(--body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--display);line-height:1.12;margin:0;text-wrap:balance;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
::selection{background:var(--accent);color:#000}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:#000;padding:10px 14px;border-radius:var(--r);z-index:100;font-weight:600}
.skip:focus{left:16px}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-left:var(--gut);padding-right:var(--gutr)}
.ico{width:1.15em;height:1.15em;flex:none;vertical-align:-.2em}
.ico--lg{width:28px;height:28px}
.ico--xl{width:56px;height:56px}
.ico--ok{color:var(--mint-600)}
.ico--no{color:var(--red)}
.ico--warn{color:var(--blue)}

/* ---------- Кнопки и метки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:10px 20px;border:1.5px solid transparent;border-radius:var(--r);
  font:700 15px/1.2 var(--body);text-decoration:none;cursor:pointer;transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;text-align:center}
.btn small{font:500 12px var(--body);opacity:.7}
.btn--lg{min-height:54px;padding:14px 26px;font-size:16px}
.btn--sm{min-height:40px;padding:8px 16px;font-size:14px}
.btn--mint{background:var(--accent);color:#000;box-shadow:0 10px 15px -3px color-mix(in srgb,var(--accent) 25%,transparent)}
.btn--mint:hover{background:var(--accent-600)}
.btn--line{border-color:var(--ink-600);color:var(--fg);background:var(--surface)}
.btn--line:hover{background:var(--ink-700)}
.btn:active{transform:translateY(1px)}

.eyebrow{font:600 13px/1.2 var(--body);text-transform:uppercase;letter-spacing:.14em;color:var(--mint)}
.eyebrow--ink{color:var(--mint-ink)}
.tag{display:inline-block;font:700 11.5px/1 var(--body);text-transform:uppercase;letter-spacing:.08em;color:var(--fg-3);background:var(--ink-600);padding:7px 10px;border-radius:6px}

/* ---------- Шапка ---------- */
.hdr{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--ink-900) 80%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--ink-600);padding-top:env(safe-area-inset-top,0px)}
.hdr__in{display:flex;align-items:center;gap:20px;min-height:76px}
.logo{display:inline-flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.logo--img{flex:0 1 auto;min-width:0}
.logo--img img{display:block;height:40px;width:auto;max-width:min(220px,38vw);object-fit:contain;object-position:left center}
@media (min-width:1100px){.logo--img img{max-width:220px}}
.mark{width:38px;height:auto;fill:none;stroke:var(--accent);stroke-width:5;stroke-linecap:round;stroke-linejoin:round;flex:none;overflow:visible}
.mark .m,.hero__mark .m{stroke-linecap:square;stroke-linejoin:miter}
.mark .m{stroke-width:3.5}
.logo__txt{display:flex;flex-direction:column;gap:3px;color:var(--fg)}
.logo__txt span:first-child{font:800 19px/1 var(--display);letter-spacing:.06em;color:#fff}
.logo__txt span:last-child{font:600 11.5px/1 var(--body);letter-spacing:.2em;color:var(--mint)}
.nav{display:flex;gap:clamp(14px,1.3vw,20px);margin-left:auto;font-weight:500;font-size:15px;white-space:nowrap}
.nav a{text-decoration:none;color:var(--fg-3);padding:6px 0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}
.nav a:hover{color:var(--mint)}
.hdr__tools{display:flex;align-items:center;gap:12px}
.lang{display:flex;border:1px solid var(--ink-600);border-radius:var(--r);overflow:hidden}
.lang a{padding:7px 11px;font:600 13px var(--body);text-decoration:none;color:var(--fg-2)}
.lang a[aria-current]{background:var(--accent);color:#000}
.hdr__tel{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:600;white-space:nowrap}
.hdr__tel .ico{color:var(--mint)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--ink-600);border-radius:var(--r);background:transparent;cursor:pointer;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--fg);transition:transform .2s,top .2s}
.burger span:first-child{top:16px}.burger span:last-child{top:25px}
.burger[aria-expanded="true"] span:first-child{top:20px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{top:20px;transform:rotate(-45deg)}

@media (max-width:1080px){ .hdr__tel span{display:none} .hdr__tel{width:44px;height:44px;justify-content:center;border:1px solid var(--ink-600);border-radius:var(--r)} }
@media (max-width:960px){
  .hdr__in{gap:12px}
  .hdr__tools{margin-left:auto}
  .burger{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;margin:0;background:var(--ink-900);border-bottom:1px solid var(--ink-700);padding:8px var(--gutr) 16px var(--gut);display:none}
  .nav.is-open{display:flex}
  .nav a{padding:14px 0;font-size:17px;border-bottom:1px solid var(--ink-700)}
}

@media (max-width:380px){
  .hdr__in{gap:8px}
  .hdr__tools{gap:8px}
  .logo{gap:8px}
  .logo__txt span:first-child{font-size:16px}
  .logo__txt span:last-child{font-size:10px;letter-spacing:.14em}
  .lang a{padding:7px 8px}
  .hdr__tel,.burger{width:40px;height:40px}
  .burger span{left:10px;right:10px}
  .burger span:first-child{top:14px}.burger span:last-child{top:23px}
  .burger[aria-expanded="true"] span:first-child,.burger[aria-expanded="true"] span:last-child{top:18px}
}

/* ---------- Первый экран ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink-900);isolation:isolate;border-bottom:1px solid var(--ink-600)}
.hero__bg{position:absolute;inset:0;z-index:-1;pointer-events:none}
.hero__photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% 50%}
.hero__bg:has(.hero__photo)::after{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,var(--ink-900) 0%,color-mix(in srgb,var(--ink-900) 78%,transparent) 38%,color-mix(in srgb,var(--ink-900) 25%,transparent) 100%),
  linear-gradient(180deg,color-mix(in srgb,var(--ink-900) 55%,transparent) 0%,transparent 22%,transparent 62%,var(--ink-900) 100%)}
@media (max-width:760px){.hero__bg:has(.hero__photo)::after{background:linear-gradient(180deg,color-mix(in srgb,var(--ink-900) 56%,transparent),color-mix(in srgb,var(--ink-900) 78%,transparent))}}
.hero__mark{position:absolute;right:-2%;top:70px;width:min(44vw,520px);height:auto;fill:none;stroke:var(--accent);stroke-width:.9;stroke-linecap:round;stroke-linejoin:round;opacity:.24;overflow:visible}
.hero__mark .m{stroke-width:.6}
@media (max-width:760px){.hero__mark{display:none}}
.hero__in{padding-block:clamp(48px,7vw,96px) clamp(56px,7vw,88px);position:relative}
.hero .eyebrow{display:inline-flex;padding:7px 14px;border-radius:999px;background:color-mix(in srgb,var(--accent) 10%,transparent);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);font-size:12px;letter-spacing:.1em;font-weight:700}
.hero h1{font-size:clamp(38px,6vw,68px);font-weight:800;letter-spacing:-.025em;max-width:14ch;margin-top:24px;line-height:1.04}
.hero__lead{max-width:56ch;margin-top:26px;font-size:clamp(17px,1.6vw,20px);color:var(--fg-3)}
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:clamp(40px,6vw,64px) 0 0}
.facts div{padding:22px 22px 24px;border:1px solid var(--ink-600);border-radius:var(--r-lg);background:color-mix(in srgb,var(--surface) 80%,transparent);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);min-width:0}
.facts dt{font:800 clamp(17px,1.45vw,21px)/1.15 var(--display);color:#fff;letter-spacing:-.01em;white-space:nowrap}
.facts dd{margin:8px 0 0;color:var(--fg-2);font-size:14.5px;line-height:1.45}
@media (max-width:1000px){ .facts{grid-template-columns:1fr 1fr} .facts dt{white-space:normal;overflow-wrap:break-word} }
@media (max-width:420px){ .facts{grid-template-columns:1fr} }

/* ---------- Секции ---------- */
.sec{padding-block:clamp(64px,9vw,120px)}
.sec--dark{background:var(--ink-900)}
.sec--photo{position:relative;isolation:isolate;overflow:hidden}
.sec__bg{position:absolute;inset:0 0 auto 0;height:min(100%,1000px);z-index:-1;pointer-events:none}
.sec__bg img{width:100%;height:100%;object-fit:cover;display:block}
.sec__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--bgc,var(--ink-900)) 0%,color-mix(in srgb,var(--bgc,var(--ink-900)) var(--ov,60%),transparent) 16%,color-mix(in srgb,var(--bgc,var(--ink-900)) var(--ov,60%),transparent) 60%,var(--bgc,var(--ink-900)) 100%)}
/* фото только в верхней полосе длинного раздела (О компании, Master Cem): дальше фон плавно переходит в однотонный */
.sec__bg--top{height:clamp(460px,62vw,780px);--ov:48%}
.sec__bg--top::after{background:linear-gradient(180deg,var(--bgc) 0%,color-mix(in srgb,var(--bgc) var(--ov),transparent) 22%,color-mix(in srgb,var(--bgc) var(--ov),transparent) 48%,var(--bgc) 100%)}
.sec--paper{--bgc:var(--ink-800);background:var(--ink-800);color:var(--text)}
.sec--mint{background:radial-gradient(70% 90% at 85% 0%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 62%),var(--ink-800);color:var(--fg);border-top:1px solid var(--ink-600)}
.sec__head{max-width:760px;display:grid;gap:16px;margin-bottom:clamp(32px,5vw,56px)}
.sec h2{font-size:clamp(30px,4.4vw,52px);font-weight:700}
.lead{font-size:clamp(16px,1.5vw,19px);color:var(--fg-2);max-width:68ch}
.lead--ink,.sec--paper .lead{color:var(--text-2)}
.subhead{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin:clamp(44px,6vw,72px) 0 22px}
.subhead--ink{color:var(--text)}
.sec--paper .lead--ink{margin:-8px 0 22px}

/* О компании */
.about{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,6vw,88px);align-items:start}
.about__head{display:grid;gap:16px}
.about .lead{color:var(--text-2)}
.about__list{display:grid;gap:0;border-top:1px solid var(--ink-600)}
.about__list li{padding:20px 0;border-bottom:1px solid var(--line-paper);display:grid;gap:6px}
.about__list h3{font-size:19px;font-weight:700}
.about__list p{color:var(--text-2);font-size:15.5px}
@media (max-width:860px){ .about{grid-template-columns:1fr} }
/* поверх фото список «О компании» лежит на тёмной стеклянной подложке, чтобы текст не терялся на кране */
.sec--photo .about__list{border:1px solid var(--ink-600);border-radius:var(--r-lg);padding:4px 26px;background:color-mix(in srgb,var(--ink-900) 74%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.sec--photo .about__list li:last-child{border-bottom:0}
.sec--photo .about__list p{color:var(--fg-3)}
@media (max-width:860px){ .sec--photo .about__list{padding:2px 20px} }

/* Фильтры */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{min-height:44px;padding:10px 20px;border:1px solid var(--ink-600);border-radius:var(--r);background:var(--surface);color:var(--fg-2);font-weight:700;font-size:14.5px;cursor:pointer;transition:all .15s}
.chip:hover{color:#fff}
.chip.is-on{background:var(--accent);border-color:var(--accent);color:#000;box-shadow:0 10px 15px -3px color-mix(in srgb,var(--accent) 20%,transparent)}
#products .sec__head{margin-inline:auto;text-align:center;justify-items:center}
#products .filters{justify-content:center}

/* Карточки продуктов */
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:18px}
.pcard{background:var(--surface);border:1px solid var(--ink-600);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;gap:22px;transition:border-color .25s,box-shadow .25s;min-width:0;position:relative}
.pcard:hover{border-color:color-mix(in srgb,var(--accent) 50%,transparent);box-shadow:0 20px 25px -5px color-mix(in srgb,var(--accent) 6%,transparent)}
.pcard[hidden]{display:none}
.pcard__top{display:grid;gap:10px}
.pcard__head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}
.pcard__ico{width:24px;height:24px;color:var(--mint);flex:none;transition:transform .25s}
.pcard:hover .pcard__ico{transform:scale(1.12)}
.pcard h3{font-size:26px;font-weight:800;letter-spacing:-.02em;transition:color .25s}
.pcard:hover h3{color:var(--mint)}
.pcard__type{color:var(--fg-2);font-size:15px;min-height:2.9em}
.pcard__specs{display:grid;gap:12px;margin:0;padding:16px 0;border-top:1px solid var(--ink-600);border-bottom:1px solid var(--ink-600)}
.pcard__specs div{display:flex;justify-content:space-between;align-items:baseline;gap:16px;min-width:0}
.pcard__specs dt{font-size:14px;color:var(--fg-2);line-height:1.3}
.pcard__specs dd{margin:0;font:700 14.5px/1.3 var(--body);color:#fff;text-align:right;overflow-wrap:anywhere}
.pcard__btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto}
.pcard__btns .btn{flex:1 1 auto}

.common{margin-top:clamp(40px,6vw,64px);padding:26px 28px;border:1px solid var(--ink-600);border-radius:var(--r-lg);background:var(--surface);display:grid;grid-template-columns:minmax(0,280px) 1fr;gap:20px 40px}
.common h3{font-size:22px;font-weight:700}
.common ul{display:grid;gap:12px;color:var(--fg-2)}
.common li{padding-left:22px;position:relative}
.common li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--mint)}
@media (max-width:760px){ .common{grid-template-columns:1fr;padding:22px} }

/* Таблицы */
.tscroll{position:relative;overflow-x:auto;border:1px solid var(--ink-600);border-radius:var(--r-lg);-webkit-overflow-scrolling:touch}
.tscroll:focus-visible{outline-offset:2px}
.ctab,.stab,.mtab{border-collapse:collapse;width:100%;font-size:15px}
.ctab th,.ctab td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--ink-700);vertical-align:top}
.ctab thead th{background:var(--accent);color:#000;font-weight:600;font-size:14px;white-space:nowrap;border:0}
.ctab tbody th{font-weight:700;white-space:nowrap}
.ctab td:nth-child(2){min-width:240px;color:var(--fg-2)}
.ctab td:nth-child(n+3){white-space:nowrap;font-variant-numeric:tabular-nums}
.ctab tbody tr:last-child th,.ctab tbody tr:last-child td{border-bottom:0}
.ctab tbody tr:hover{background:color-mix(in srgb,var(--mint) 6%,transparent)}

/* Диалоги */
.pdlg{width:min(860px,calc(100% - 24px));max-height:calc(100dvh - 24px);padding:0;border:1px solid var(--ink-600);border-radius:var(--r-lg);background:var(--surface);color:var(--fg);overscroll-behavior:contain}
.pdlg::backdrop{background:rgba(4,7,11,.75);backdrop-filter:blur(3px)}
.pdlg__in{padding:clamp(22px,4vw,40px);display:grid;gap:14px;position:relative}
.pdlg h3{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-.02em;padding-right:48px}
.pdlg h4{font-size:15px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--mint);margin-top:14px}
.pdlg .tag{justify-self:start;width:max-content;max-width:calc(100% - 60px)}
.pdlg__sub{color:var(--fg-2);font-size:17px}
.pdlg ul{display:grid;gap:9px;color:var(--fg)}
.pdlg li{padding-left:20px;position:relative;font-size:15.5px}
.pdlg li::before{content:"";position:absolute;left:0;top:.7em;width:9px;height:2px;background:var(--mint)}
.pdlg__cols{display:grid;grid-template-columns:1fr 1fr;gap:12px 36px}
.pdlg__x{position:absolute;right:14px;top:14px;width:44px;height:44px;border:1px solid var(--ink-600);border-radius:var(--r);background:transparent;font-size:28px;line-height:1;cursor:pointer}
.pdlg__x:hover{border-color:var(--mint);color:var(--mint)}
.stab th,.stab td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--ink-700);vertical-align:top;font-size:14.5px}
.stab th{width:34%;color:var(--fg-2);font-weight:500}
.stab tr:last-child th,.stab tr:last-child td{border-bottom:0}
.pdlg__foot{margin-top:18px}
@media (max-width:700px){ .pdlg__cols{grid-template-columns:1fr} .stab th{width:40%} }
body.has-dialog{overflow:hidden}

/* Master Cem */
.cgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:16px}
.ccard{background:var(--surface);border:1px solid var(--ink-600);border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column;gap:8px;min-width:0}
.ccard h4{font-size:24px;font-weight:700;color:var(--text)}
.ccard__label{margin-top:10px;font:600 11.5px/1 var(--body);text-transform:uppercase;letter-spacing:.1em;color:var(--mint-ink)}
.ccard p{color:var(--text-2);font-size:15px}
.ccard ul{display:grid;gap:6px;font-size:15px;color:var(--text)}
.ccard li{padding-left:18px;position:relative}
.ccard li::before{content:"";position:absolute;left:0;top:.68em;width:8px;height:2px;background:var(--mint-600)}
.ccard .btn{margin-top:auto;align-self:flex-start}
.ccard ul+.btn{margin-top:14px}
.cem3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,56px);margin-top:clamp(48px,7vw,80px);padding-top:36px;border-top:1px solid var(--ink-600)}
.cem3 h3{font-size:21px;font-weight:700;margin-bottom:14px;color:var(--text)}
.cem3 ul{display:grid;gap:9px;color:var(--text-2);font-size:15px}
.cem3 li{padding-left:18px;position:relative}
.cem3 li::before{content:"";position:absolute;left:0;top:.68em;width:8px;height:2px;background:var(--mint-600)}
.cem3 p{margin-top:14px;font-size:15px;color:var(--text-2)}
@media (max-width:960px){ .cem3{grid-template-columns:1fr} }

.tscroll--matrix{background:var(--surface);color:var(--fg);border-color:var(--ink-600)}
.mtab{min-width:980px;font-size:14px}
.mtab th,.mtab td{padding:7px 4px;text-align:center}
.mtab thead th{color:var(--mint);font-weight:600}
.mtab__groups th{font-size:13.5px;border:1.5px solid var(--mint-600);border-radius:6px;padding:8px}
.mtab__groups{border-bottom:8px solid transparent}
.mtab__cols th{vertical-align:bottom;height:150px;padding-bottom:10px;font-weight:500;color:var(--fg-2);font-size:13px}
.mtab__cols th span{display:inline-block;writing-mode:vertical-rl;transform:rotate(180deg);white-space:normal;max-height:140px;text-align:left}
.mtab tbody th{text-align:left;padding-left:16px;white-space:nowrap;font-weight:700;color:var(--fg);position:sticky;left:0;background:var(--surface);z-index:1}
.mtab thead td{position:sticky;left:0;background:var(--surface);z-index:1;min-width:190px}
.mtab tbody tr:not(.mtab__grp) td{border-bottom:1px solid var(--ink-700)}
.mtab tbody tr:not(.mtab__grp) th{border-bottom:1px solid var(--ink-700)}
.mtab__grp th{text-align:left!important;padding:18px 16px 6px!important;color:var(--mint)!important;font-size:15px;position:static!important;background:transparent!important}
.mtab .ico{width:24px;height:24px}
.mtab .ico--ok{color:var(--mint)}
.mtab .ico--warn{color:#5AA6E8}
.mtab .ico--no{color:#EA6A64}
.mtab__na{color:var(--fg-2);font-size:14px}
.legend{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:16px;font-size:14px;color:var(--text-2)}
.legend li{display:inline-flex;align-items:center;gap:8px}
.legend .ico{width:20px;height:20px}

/* Шаги */
.steps{counter-reset:none}
.steps--row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.steps--row li{padding:26px 24px 28px;display:grid;gap:12px;align-content:start;min-width:0;background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--ink-600);border-radius:var(--r-lg)}
.steps__n{font:800 54px/1 var(--display);color:transparent;-webkit-text-stroke:1.5px var(--mint);letter-spacing:-.02em}
.steps--row h4{font-size:21px;font-weight:700}
.steps--row p{color:var(--fg-3);font-size:15.5px}
@media (max-width:960px){ .steps--row{grid-template-columns:1fr 1fr} }
@media (max-width:560px){ .steps--row{grid-template-columns:1fr} }
.steps--paper{display:grid;gap:0;border-top:1px solid var(--ink-600)}
.steps--paper li{display:grid;grid-template-columns:72px 1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--line-paper)}
.steps--paper .steps__n{-webkit-text-stroke:1.5px var(--mint-ink);font-size:48px}
.steps--paper h4{font-size:21px;font-weight:700;color:var(--text);margin-bottom:8px}
.steps--paper p{color:var(--text-2);max-width:78ch;font-size:15.5px}
@media (max-width:560px){ .steps--paper li{grid-template-columns:48px 1fr;gap:14px} .steps--paper .steps__n{font-size:36px} }
.nomin{margin-top:30px;font:600 clamp(18px,2vw,22px)/1.35 var(--display);color:var(--mint);max-width:40ch}

.samples{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.sample{border:1px solid var(--ink-600);border-radius:var(--r-lg);padding:26px;display:grid;gap:8px;background:var(--surface);min-width:0}
.sample__big{font:800 clamp(34px,5vw,52px)/1 var(--display);color:var(--mint);letter-spacing:-.02em}
.sample h4{font-size:20px;font-weight:700;margin-top:6px}
.sample p:last-child{color:var(--fg-2);font-size:15.5px}
.samples__note{margin-top:18px;color:var(--fg);font-weight:500}
.sec--photo .lead{color:var(--fg-3)}
@media (max-width:700px){ .samples{grid-template-columns:1fr} }

.catalog{margin-top:clamp(44px,6vw,72px);padding:28px clamp(22px,4vw,40px);border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--ink-600);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.catalog h3{font-size:24px;font-weight:700}
.catalog p{color:var(--fg-2);margin-top:6px}

/* Заявка */
.contact{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,72px);align-items:start;position:relative}
.contact__txt{display:grid;gap:18px;position:sticky;top:100px}
.sec--mint h2{color:var(--fg)}
.bigtel{display:inline-flex;align-items:center;gap:12px;font:700 clamp(24px,3vw,34px)/1 var(--display);text-decoration:none;color:var(--mint);margin-top:10px;white-space:nowrap}
.bigtel:hover{text-decoration:underline;text-underline-offset:6px}
.form{background:var(--surface);border:1px solid var(--ink-600);color:var(--fg);border-radius:var(--r-lg);padding:clamp(22px,3.4vw,38px);display:grid;gap:20px;min-width:0}
.field{display:grid;gap:8px;border:0;padding:0;margin:0;min-width:0}
.field label,.field legend{font:600 14px/1.3 var(--body);color:var(--fg)}
.field legend{padding:0;margin-bottom:10px}
.field legend small,.field small{font:400 13px/1.4 var(--body);color:var(--fg-2);margin-left:6px}
.field>small{margin-left:0}
.field input[type=text]{width:100%;min-height:50px;padding:12px 14px;background:var(--ink-900);border:1.5px solid var(--ink-600);border-radius:var(--r);color:var(--fg);font:500 16px var(--body);transition:border-color .15s}
.field input[type=text]:focus{outline:0;border-color:var(--mint)}
.field input.is-bad{border-color:var(--red)}
.hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.pick{display:grid;gap:10px;padding:14px 0;border-top:1px solid var(--ink-700)}
.pick:first-of-type{border-top:0;padding-top:4px}
.pick__g{font:600 12px/1 var(--body);text-transform:uppercase;letter-spacing:.1em;color:var(--mint)}
.pick__items{display:flex;flex-wrap:wrap;gap:8px}
.pick__i{position:relative;cursor:pointer}
.pick__i input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.pick__i span{display:inline-flex;align-items:center;min-height:42px;padding:8px 14px;border:1.5px solid var(--ink-600);border-radius:10px;font:500 14.5px var(--body);transition:all .15s;user-select:none}
.pick__i:hover span{border-color:var(--mint)}
.pick__i input:checked+span{background:var(--accent);border-color:var(--accent);color:#000;font-weight:700}
.pick__i input:focus-visible+span{outline:2px solid var(--mint);outline-offset:2px}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--fg-2);cursor:pointer}
.consent input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--accent);flex:none}
.consent a{color:var(--fg);text-underline-offset:3px}
.form__msg{padding:12px 14px;border-radius:var(--r);font-size:15px;border:1px solid var(--red);color:#FFC9C5;background:rgba(217,84,78,.12)}
.form__go[disabled]{opacity:.6;cursor:progress}
.form__noscript{font-size:14px;color:var(--fg-2)}
.done{background:var(--surface);border:1px solid var(--ink-600);color:var(--fg);border-radius:var(--r-lg);padding:clamp(32px,5vw,56px);display:grid;gap:12px;justify-items:start}
.done .ico{color:var(--mint)}
.done h3{font-size:30px;font-weight:800}
.done p{color:var(--fg-2)}
.done[hidden],.form[hidden]{display:none}
@media (max-width:900px){ .contact{grid-template-columns:1fr} .contact__txt{position:static} }

/* Подвал */
.ftr{background:var(--ink-900);border-top:1px solid var(--ink-700);padding-block:48px 28px;padding-bottom:calc(28px + env(safe-area-inset-bottom,0px))}
.ftr__in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.ftr__brand{display:grid;gap:14px;justify-items:start}
.ftr__brand p{color:var(--fg-2);font-size:15px}
.ftr__col{display:grid;gap:10px;align-content:start;justify-items:start}
.ftr__col a{text-underline-offset:4px;color:var(--fg-2)}
.ftr__col a:hover{color:var(--mint)}
.ftr__tel{font:700 22px var(--display);color:var(--fg)!important;text-decoration:none}
.ftr__rights{margin-top:36px;padding-top:20px;border-top:1px solid var(--ink-700);color:var(--fg-2);font-size:13.5px}
@media (max-width:760px){ .ftr__in{grid-template-columns:1fr} }

/* Документ (политика) */
.doc{background:var(--ink-900);color:var(--text);padding-block:clamp(40px,6vw,80px)}
.doc__in{max-width:820px}
.doc h1{font-size:clamp(26px,7vw,52px);font-weight:800;margin:26px 0 8px;overflow-wrap:break-word;hyphens:auto}
.doc h2,.doc p{overflow-wrap:break-word}
.doc__upd{color:var(--text-2);margin-bottom:28px}
.doc section{padding:22px 0;border-top:1px solid var(--line-paper)}
.doc h2{font-size:21px;font-weight:700;margin-bottom:8px}
.doc p{color:var(--fg-3)}
.doc__back{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:600;color:var(--mint-ink)}
.ico--back{transform:rotate(180deg)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}