/* ===== Tokens ===== */
:root{
  --red:#d81e2c;
  --red-dark:#b3141f;
  --ink:#14181f;
  --ink-2:#1d2330;
  --graphite:#2a3140;
  --gray:#5b6472;
  --gray-2:#8a93a3;
  --line:#e6e9ef;
  --bg:#ffffff;
  --bg-alt:#f5f7fa;
  --bg-soft:#eef1f6;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 6px 24px rgba(20,24,31,.08);
  --shadow-lg:0 18px 50px rgba(20,24,31,.16);
  --maxw:1180px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.55;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.02em}
p{margin:0}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font:inherit;font-weight:600;cursor:pointer;border:1px solid transparent;
  padding:.72em 1.4em;border-radius:var(--radius-sm);
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,opacity .18s ease;
  white-space:nowrap;font-size:15px;
}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;pointer-events:none}
.btn--primary{background:var(--red);color:#fff}
.btn--primary:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--graphite);background:var(--bg-alt)}
.btn--lg{padding:.95em 1.8em;font-size:16px}
.btn--block{width:100%}
/* white ghost buttons only on dark backgrounds — NOT inside the white quiz card */
.section--dark .btn--ghost,
.hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.32)}
.section--dark .btn--ghost:hover,
.hero .btn--ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55)}

/* ===== Header ===== */
.header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.header__inner{display:flex;align-items:center;gap:20px;height:74px}
.header__logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header__logo-img{height:32px;width:auto}
.nav{display:flex;gap:18px;margin-left:6px}
.nav__link{font-size:14.5px;font-weight:500;color:var(--gray);transition:.15s;white-space:nowrap}
.nav__link:hover{color:var(--ink)}
.header__actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang__btn{
  border:none;background:#fff;padding:6px 11px;font:inherit;font-size:13px;font-weight:600;
  color:var(--gray);cursor:pointer;transition:.15s
}
.lang__btn.is-active{background:var(--ink);color:#fff}
.header__phone{font-weight:700;font-size:15px;color:var(--ink);white-space:nowrap}
.header__cta{font-size:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.hero__bg{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 500px at 85% -10%,rgba(216,30,44,.35),transparent 60%),
    radial-gradient(700px 500px at 10% 110%,rgba(42,49,64,.9),transparent 60%),
    linear-gradient(180deg,#10141b,#1a212e);
}
.hero__bg::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(circle at 70% 30%,#000,transparent 75%);
          mask-image:radial-gradient(circle at 70% 30%,#000,transparent 75%);
}
.hero__inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:84px 24px 92px}
.hero__content{max-width:620px}
.badge{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.02em;padding:6px 13px;border-radius:50px}
.badge--light{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.18)}
.hero__title{font-size:clamp(34px,5vw,56px);font-weight:800;margin:20px 0 18px}
.hero__subtitle{font-size:clamp(16px,2vw,19px);color:rgba(255,255,255,.78);max-width:560px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 26px}
.hero__points{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 28px}
.hero__points li{display:inline-flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,.85)}
.hero__points li::before{content:"";width:11px;height:11px;border-radius:50%;border:3px solid var(--red);flex-shrink:0}
.hero__stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:22px 20px}
.stat__num{display:block;font-size:34px;font-weight:800;color:#fff;letter-spacing:-.03em}
.stat__label{display:block;font-size:13.5px;color:rgba(255,255,255,.65);margin-top:6px}

/* ===== Trust bar ===== */
.trustbar{background:var(--red);color:#fff}
.trustbar__inner{padding:16px 24px;text-align:center}
.trustbar__text{font-size:14.5px;font-weight:500;letter-spacing:.01em}

/* ===== Sections ===== */
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--ink-2);color:#fff}
.section__head{max-width:720px;margin:0 auto 48px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--red);margin-bottom:14px}
.eyebrow--light{color:#ff7a84}
.section__title{font-size:clamp(26px,3.6vw,40px);font-weight:800}
.section__title--light{color:#fff}
.section__lead{margin-top:16px;font-size:17px;color:var(--gray)}
.section__lead--light{color:rgba(255,255,255,.72)}

/* ===== Product cards ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.2s;position:relative;display:flex;flex-direction:column
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:var(--red)}
.card__img{aspect-ratio:16/10;background:#eef1f6;overflow:hidden}
.card__img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease}
.card:hover .card__img img{transform:scale(1.05)}
.card__icon{font-size:26px;color:var(--red);line-height:1;padding:24px 26px 0}
.card__title{font-size:19px;font-weight:700;margin-bottom:10px;padding:20px 26px 0}
.card__text{font-size:15px;color:var(--gray);padding:0 26px 26px}
.finishes{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px;justify-content:center}
.finishes__label{font-weight:700;font-size:15px;margin-right:6px}
.chip{display:inline-block;background:var(--bg-soft);border:1px solid var(--line);border-radius:50px;padding:7px 15px;font-size:14px;font-weight:500;color:var(--graphite)}

/* ===== Applications ===== */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.app{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;border-left:4px solid var(--red)}
.app__tag{display:block;font-weight:700;font-size:17px;margin-bottom:6px}
.app__desc{display:block;font-size:14.5px;color:var(--gray)}

/* ===== Quiz ===== */
.quiz-section{background:linear-gradient(180deg,#10141b,#1c2433);color:#fff}
.quiz-section .section__lead{color:rgba(255,255,255,.72)}
.quiz{
  max-width:760px;margin:0 auto;background:#fff;color:var(--ink);border-radius:18px;
  box-shadow:var(--shadow-lg);padding:30px 34px 26px;
}
.quiz__progress{height:6px;background:var(--bg-soft);border-radius:50px;overflow:hidden}
.quiz__progress-bar{height:100%;width:12.5%;background:var(--red);border-radius:50px;transition:width .35s ease}
.quiz__meta{display:flex;justify-content:space-between;font-size:13px;font-weight:600;color:var(--gray-2);margin:14px 0 22px;text-transform:uppercase;letter-spacing:.05em}
.quiz__body{min-height:240px}
.quiz__q{font-size:22px;font-weight:700;margin-bottom:6px}
.quiz__hint{font-size:14.5px;color:var(--gray);margin-bottom:22px}
.quiz__options{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quiz__options--single{grid-template-columns:1fr}
.opt{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border:1.5px solid var(--line);
  border-radius:var(--radius-sm);cursor:pointer;transition:.15s;background:#fff;font-size:15.5px;font-weight:500;
  text-align:left
}
.opt:hover{border-color:var(--red);background:#fff5f5}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt__mark{
  width:22px;height:22px;border-radius:6px;border:2px solid var(--line);flex-shrink:0;
  display:grid;place-items:center;transition:.15s
}
.opt--radio .opt__mark{border-radius:50%}
.opt.is-checked{border-color:var(--red);background:#fff5f5;box-shadow:inset 0 0 0 1px var(--red)}
.opt.is-checked .opt__mark{background:var(--red);border-color:var(--red)}
.opt.is-checked .opt__mark::after{content:"";width:9px;height:9px;border-radius:2px;background:#fff}
.opt--radio.is-checked .opt__mark::after{border-radius:50%}
.opt__body{display:flex;flex-direction:column}
.opt__sub{font-size:12.5px;color:var(--gray);font-weight:400}
.quiz__input{
  width:100%;padding:15px 16px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font:inherit;font-size:16px;transition:.15s
}
.quiz__input:focus{outline:none;border-color:var(--red)}
.quiz__field{margin-bottom:14px}
.quiz__field label{display:block;font-weight:600;font-size:14px;margin-bottom:7px}
.quiz__field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.quiz__nav{display:flex;justify-content:space-between;gap:12px;margin-top:26px}
.quiz__nav .btn{min-width:120px}
.quiz__err{color:var(--red);font-size:13.5px;font-weight:600;margin-top:12px;min-height:18px}

/* Quiz summary */
.summary__head{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.summary__check{width:46px;height:46px;border-radius:50%;background:#e8f7ee;color:#1ca152;display:grid;place-items:center;font-size:24px;flex-shrink:0}
.summary__rec{background:var(--bg-alt);border:1px solid var(--line);border-left:4px solid var(--red);border-radius:var(--radius-sm);padding:18px 20px;margin:18px 0}
.summary__rec h4{font-size:15px;margin-bottom:6px;color:var(--red)}
.summary__rec p{font-size:15.5px;color:var(--ink);font-weight:500}
.summary__table{width:100%;border-collapse:collapse;margin:6px 0 4px;font-size:14.5px}
.summary__table td{padding:9px 0;border-bottom:1px solid var(--line);vertical-align:top}
.summary__table td:first-child{color:var(--gray);width:46%}
.summary__table td:last-child{font-weight:600;text-align:right}
.summary__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

/* ===== Process ===== */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative}
.step__num{display:block;font-size:30px;font-weight:800;color:var(--red);opacity:.9;margin-bottom:14px}
.step__title{font-size:17px;font-weight:700;margin-bottom:9px}
.step__text{font-size:14px;color:var(--gray)}

/* ===== Why ===== */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why__item{padding:24px;border-radius:var(--radius);background:var(--bg-alt);border:1px solid var(--line)}
.why__item h3{font-size:17px;margin-bottom:8px}
.why__item p{font-size:14.5px;color:var(--gray)}

/* ===== Projects ===== */
.projstats{display:flex;justify-content:center;flex-wrap:wrap;margin:0 auto 40px}
.projstat{padding:4px 38px;text-align:center;border-right:1px solid var(--line)}
.projstat:last-child{border-right:none}
.projstat__num{display:block;font-size:30px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.projstat__label{display:block;font-size:13.5px;color:var(--gray);margin-top:4px}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.project{background:#fff;border:1px solid var(--line);border-top:3px solid var(--red);border-radius:var(--radius);padding:20px 22px 18px;display:flex;flex-direction:column;transition:.2s}
.project:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.project__top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:12px}
.project__year{font-size:13px;font-weight:700;color:var(--gray-2);letter-spacing:.05em}
.project__area{font-size:25px;font-weight:800;color:var(--red);line-height:1;letter-spacing:-.02em;white-space:nowrap}
.project__area i{font-size:13px;font-weight:600;font-style:normal;color:var(--gray)}
.project__name{font-size:16px;font-weight:700;line-height:1.32;flex:1}
.project__city{margin-top:11px;font-size:13.5px;color:var(--gray);display:flex;align-items:center;gap:7px}
.project__city::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--red);flex-shrink:0}

/* ===== Partners ===== */
.partners{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;max-width:880px;margin:0 auto}
.partner{height:92px;display:flex;align-items:center;justify-content:center;background:#fcfdfe;border:1px solid var(--line);border-radius:12px;padding:14px 24px;transition:.2s}
.partner:hover{border-color:#d6dbe4;box-shadow:var(--shadow)}
.partner img{max-height:52px;max-width:140px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.62;transition:.25s}
.partner:hover img{filter:grayscale(0);opacity:1}

/* ===== Letter ===== */
.letter{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.letter__text .section__title{text-align:left}
.letter__list{list-style:none;padding:0;margin:22px 0 26px}
.letter__list li{position:relative;padding-left:28px;margin-bottom:10px;color:rgba(255,255,255,.82);font-size:15.5px}
.letter__list li::before{content:"✓";position:absolute;left:0;color:#3ddc84;font-weight:700}
.letter__doc{position:relative;display:block;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);transition:.2s;background:#fff}
.letter__doc:hover{transform:translateY(-4px)}
.letter__doc img{width:100%;height:auto;display:block}
.letter__doc-badge{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);background:rgba(20,24,31,.86);color:#fff;font-size:13px;font-weight:600;padding:8px 16px;border-radius:50px;white-space:nowrap}

/* ===== Documents hub ===== */
.docs{max-width:920px;margin:0 auto}
.docs__tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:24px}
.docs__tab{
  display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;
  padding:9px 16px;border-radius:50px;font:inherit;font-size:14.5px;font-weight:600;color:var(--graphite);
  cursor:pointer;transition:.15s
}
.docs__tab:hover{border-color:var(--red);color:var(--red)}
.docs__tab.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.docs__count{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 5px;border-radius:50px;background:var(--bg-soft);color:var(--gray);font-size:12px}
.docs__tab.is-active .docs__count{background:rgba(255,255,255,.18);color:#fff}
.docs__intro{font-size:15px;color:var(--gray);margin-bottom:16px;text-align:center}
.doc-list{display:flex;flex-direction:column;gap:10px}
.doc-row{
  display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:14px 18px;transition:.15s;text-decoration:none;color:inherit
}
.doc-row:hover{border-color:var(--red);box-shadow:var(--shadow)}
.doc-row__ic{
  flex-shrink:0;width:48px;height:48px;border-radius:9px;display:grid;place-items:center;
  font-size:11px;font-weight:800;letter-spacing:.02em;color:#fff;background:var(--graphite)
}
.doc-row__ic--pdf{background:#d8362c}
.doc-row__ic--xlsx{background:#1f7a47}
.doc-row__ic--bim{background:#2b6cb0}
.doc-row__main{flex:1;display:flex;flex-direction:column;min-width:0}
.doc-row__title{font-weight:700;font-size:15.5px;color:var(--ink)}
.doc-row__desc{font-size:13.5px;color:var(--gray);margin-top:2px}
.doc-row__ru{
  flex-shrink:0;font-size:13px;font-weight:600;color:var(--red);border:1px solid var(--red);
  border-radius:50px;padding:6px 12px;transition:.15s;white-space:nowrap
}
.doc-row__ru:hover{background:var(--red);color:#fff}
.doc-row__act{
  flex-shrink:0;font-size:14px;font-weight:700;color:var(--ink);white-space:nowrap;
  display:inline-flex;align-items:center;gap:4px
}
a.doc-row:hover .doc-row__act,.doc-row__act:hover{color:var(--red)}
.docs__note{margin-top:22px;font-size:13px;color:var(--gray-2);text-align:center;max-width:680px;margin-left:auto;margin-right:auto}

/* ===== Госзакупки (АГСК-3) ===== */
.gz__wrap{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.gz__table{width:100%;border-collapse:collapse;font-size:14px}
.gz__table thead th{
  background:var(--ink);color:#fff;font-weight:700;font-size:13px;text-align:left;
  padding:11px 14px;white-space:nowrap
}
.gz__table tbody tr{border-top:1px solid var(--line)}
.gz__table tbody tr:nth-child(even){background:#fafbfc}
.gz__table td{padding:11px 14px;vertical-align:top}
.gz__code-cell{white-space:nowrap}
.gz__code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;font-weight:700;
  color:var(--red);background:#fff5f5;border:1px solid #f3d6d4;border-radius:7px;
  padding:5px 9px;cursor:pointer;transition:.15s;white-space:nowrap
}
.gz__code:hover{background:var(--red);color:#fff;border-color:var(--red)}
.gz__code.is-copied{background:#1f7a47;color:#fff;border-color:#1f7a47}
.gz__name{color:var(--ink);line-height:1.45;min-width:280px}
.gz__unit{color:var(--gray);white-space:nowrap;text-align:center}
@media (max-width:640px){
  .gz__wrap{overflow-x:auto}
  .gz__table{min-width:560px}
}

/* ===== Contacts ===== */
.contacts{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contacts__info .section__title,.contacts__info .section__lead{text-align:left}
.contacts__info .section__head{text-align:left;margin:0}
.contacts__list{list-style:none;padding:0;margin:26px 0}
.contacts__list li{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15.5px}
.contacts__list li span{color:var(--gray)}
.contacts__list li a,.contacts__list li strong{font-weight:600}
.contacts__list li a:hover{color:var(--red)}
.contacts__cta{margin-top:6px}
.contacts__form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.contacts__form h3{font-size:21px;margin-bottom:20px}
.field{display:block;margin-bottom:15px}
.field span{display:block;font-size:13.5px;font-weight:600;color:var(--graphite);margin-bottom:7px}
.field input,.field textarea{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font:inherit;font-size:15px;transition:.15s;resize:vertical
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--red)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:12.5px;color:var(--gray-2);margin-top:12px}
.form-status{font-size:14.5px;font-weight:600;margin-top:12px;min-height:20px}
.form-status.is-ok{color:#1ca152}
.form-status.is-err{color:var(--red)}

/* ===== Footer ===== */
.footer{background:var(--ink);color:rgba(255,255,255,.7)}
.footer__inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding:56px 24px 36px}
.footer__logo{height:30px;margin-bottom:16px;background:#fff;padding:8px 12px;border-radius:8px;width:fit-content}
.footer__brand p{font-size:14.5px;max-width:380px}
.footer__col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer__col a,.footer__col span{display:block;font-size:14.5px;margin-bottom:10px;color:rgba(255,255,255,.7);transition:.15s}
.footer__col a:hover{color:#fff}
.footer__bar{border-top:1px solid rgba(255,255,255,.1)}
.footer__bar-inner{display:flex;justify-content:space-between;gap:16px;padding:18px 24px;font-size:13px;color:rgba(255,255,255,.5)}

/* ===== Homepage products CTA ===== */
.section__cta{text-align:center;margin-top:38px}
.section__cta-note{font-size:14px;color:var(--gray);margin-top:12px}

/* ===== Page hero (inner pages) ===== */
.pagehero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:54px 0 58px}
.pagehero__bg{position:absolute;inset:0;background:
  radial-gradient(700px 380px at 88% -20%,rgba(216,30,44,.32),transparent 60%),
  linear-gradient(180deg,#10141b,#1a212e)}
.pagehero .container{position:relative}
.crumbs{font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:16px}
.crumbs a{color:rgba(255,255,255,.75)}
.crumbs a:hover{color:#fff}
.crumbs span{margin:0 4px}
.pagehero__title{font-size:clamp(28px,4vw,44px);font-weight:800;max-width:760px}
.pagehero__lead{margin-top:14px;font-size:17px;color:rgba(255,255,255,.78);max-width:680px}
.pagehero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.pagehero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.32)}
.pagehero .btn--ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55)}

/* ===== Catalog (products page) ===== */
.pgroup{margin-bottom:46px}
.pgroup:last-child{margin-bottom:0}
.pgroup__head{max-width:760px;margin-bottom:22px;padding-bottom:14px;border-bottom:2px solid var(--line)}
.pgroup__title{font-size:24px;font-weight:800}
.pgroup__title::before{content:"";display:inline-block;width:10px;height:22px;background:var(--red);border-radius:3px;margin-right:12px;vertical-align:-3px}
.pgroup__lead{margin-top:8px;font-size:15.5px;color:var(--gray)}
.pgroup__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.2s;position:relative;overflow:hidden}
.pcard:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:var(--red)}
.pcard__img{aspect-ratio:16/10;background:#eef1f6;overflow:hidden}
.pcard__img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease}
.pcard:hover .pcard__img img{transform:scale(1.05)}
.pcard__body{display:flex;flex-direction:column;flex:1;padding:20px 22px 22px}
.pcard__title{font-size:18px;font-weight:700;margin-bottom:9px}
.pcard__text{font-size:14.5px;color:var(--gray);flex:1}
.pcard__foot{margin-top:16px;min-height:20px}
.pcard__pdf{display:inline-flex;align-items:center;gap:5px;font-size:13.5px;font-weight:700;color:var(--red);border:1px solid var(--red);border-radius:50px;padding:6px 14px;transition:.15s}
.pcard__pdf:hover{background:var(--red);color:#fff}

/* ===== CTA band ===== */
.ctaband{background:var(--ink-2);color:#fff}
.ctaband__inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:40px 24px;flex-wrap:wrap}
.ctaband__title{font-size:24px;font-weight:800}
.ctaband__text{margin-top:8px;font-size:15.5px;color:rgba(255,255,255,.72);max-width:520px}
.ctaband__actions{display:flex;gap:12px;flex-wrap:wrap}
.ctaband .btn--ghost{color:#fff;border-color:rgba(255,255,255,.32)}
.ctaband .btn--ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55)}

/* ===== Letter buttons ===== */
.letter__btns{display:flex;gap:12px;flex-wrap:wrap}

/* ===== Responsive ===== */
/* Header collapses to burger when the full nav+phone+CTA no longer fits the 1180 container */
@media(max-width:1280px){
  .nav{display:none}
  .header__cta{display:none}
  .burger{display:flex}
  .nav.is-open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:#fff;padding:18px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);z-index:60}
}
@media(max-width:980px){
  .hero__inner{grid-template-columns:1fr;gap:36px;padding:60px 24px}
  .cards,.apps,.why,.pgroup__grid,.projects{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr 1fr}
  .letter,.contacts{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .section{padding:60px 0}
  .header__phone{display:none}
  .header__inner{gap:12px}
  .header__actions{gap:10px}
  .hero__stats{grid-template-columns:1fr 1fr}
  .cards,.apps,.why,.steps,.footer__inner,.pgroup__grid,.projects{grid-template-columns:1fr}
  .ctaband__inner{flex-direction:column;align-items:flex-start}
  .projstat{padding:4px 22px}
  .projstat__num{font-size:25px}
  .quiz__options{grid-template-columns:1fr}
  .quiz__field-row{grid-template-columns:1fr}
  .quiz{padding:24px 20px}
  .field-row{grid-template-columns:1fr}
  .summary__table td{font-size:13.5px}
  .footer__bar-inner{flex-direction:column;gap:6px}
  .doc-row{flex-wrap:wrap;gap:10px 14px}
  .doc-row__ic{width:40px;height:40px}
  .doc-row__main{flex-basis:calc(100% - 54px)}
  .doc-row__ru,.doc-row__act{margin-left:54px}
}

/* ===== Hero government link (АГСК-3) ===== */
.hero__gos{
  display:inline-flex;align-items:center;gap:9px;margin-top:22px;
  padding:.72em 1.3em;border-radius:var(--radius-sm);
  background:rgba(216,30,44,.12);border:1.5px solid var(--red);
  color:#fff;font-size:15px;font-weight:600;line-height:1.2;text-decoration:none;
  animation:gosPulse 2.4s ease-in-out infinite;
  transition:background .15s,transform .15s
}
.hero__gos::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--red);flex-shrink:0}
.hero__gos:hover{background:rgba(216,30,44,.2);transform:translateY(-1px);animation-play-state:paused}
@keyframes gosPulse{
  0%,100%{box-shadow:0 0 0 0 rgba(216,30,44,.45)}
  70%{box-shadow:0 0 0 9px rgba(216,30,44,0)}
}
@media (prefers-reduced-motion:reduce){.hero__gos{animation:none}}
@media (max-width:640px){
  .hero__gos{width:100%;justify-content:center;padding:.85em 1em;font-size:14.5px}
}

/* ===== Госзакупки / АГСК-3 (homepage preview) ===== */
.gz--preview{max-width:860px;margin:0 auto}
.gz__code--static{cursor:default}
.gz__code--static:hover{background:#fff5f5;color:var(--red);border-color:#f3d6d4}
.gz__chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px}