/* ============================================================
   Раменский бетонный завод — дизайн-система
   ============================================================ */
:root{
  --ink:#13181f; --ink-2:#1f2a36; --slate:#5d6b7a; --muted:#8a97a4;
  --line:#e6eaee; --line-2:#d4dae0; --bg:#fff; --bg-soft:#f5f7f9; --bg-soft-2:#eef1f4;
  --dark:#11161c; --dark-2:#19212b; --dark-3:#222d3a;
  --amber:#f6a821; --amber-d:#e0950f; --amber-soft:#fff6e6;
  --blue:#1a6fe0; --blue-d:#1257c4;
  --ok:#1f9d57;
  --r:16px; --r-sm:10px; --r-lg:24px;
  --sh-sm:0 2px 10px rgba(19,24,31,.06);
  --sh:0 10px 34px rgba(19,24,31,.10);
  --sh-lg:0 24px 60px rgba(19,24,31,.16);
  --maxw:1920px; --container-pad:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Manrope',system-ui,Arial,sans-serif;
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:'Oswald',sans-serif;font-weight:600;line-height:1.14;letter-spacing:.2px;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2rem,4.6vw,3.3rem);text-transform:uppercase;letter-spacing:.5px}
h2{font-size:clamp(1.55rem,3.2vw,2.3rem)}
h3{font-size:clamp(1.2rem,2.2vw,1.5rem)}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,2.4vw,52px)}
.container--narrow{max-width:1040px}
.center{text-align:center}.muted{color:var(--slate)}
.eyebrow{display:inline-block;font-family:'Manrope';font-weight:800;text-transform:uppercase;letter-spacing:1.5px;font-size:.76rem;color:var(--amber-d);margin-bottom:14px}
.section{padding:64px 0}
.section--soft{background:var(--bg-soft)}
.section__lead{color:var(--slate);max-width:62ch;margin:-6px 0 30px;font-size:1.06rem}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:999}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;font-family:'Manrope';
  font-weight:800;font-size:1rem;line-height:1.1;border:2px solid transparent;border-radius:var(--r-sm);
  padding:14px 26px;transition:.18s ease;text-align:center}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn--primary{background:var(--amber);color:var(--ink);border-color:var(--amber);box-shadow:0 8px 20px rgba(246,168,33,.32)}
.btn--primary:hover{background:var(--amber-d);border-color:var(--amber-d);color:var(--ink)}
.btn--blue{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn--blue:hover{background:var(--blue-d);border-color:var(--blue-d);color:#fff}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn--outline{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn--outline:hover{border-color:var(--amber);color:var(--amber-d)}
.btn--lg{padding:17px 32px;font-size:1.08rem}
.btn--sm{padding:9px 16px;font-size:.9rem}
.btn--block{display:flex;width:100%}

/* ---------- Top bar ---------- */
.topbar{background:var(--dark);color:#b9c4cf;font-size:.86rem}
.topbar__in{display:flex;flex-wrap:wrap;gap:6px 26px;padding:9px 0;align-items:center}
.topbar__in a{color:#cdd6df}.topbar__in a:hover{color:#fff}
.topbar__spacer{margin-left:auto}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-sm)}
.header__in{display:flex;align-items:center;gap:22px;padding:14px 0}
.logo{display:flex;align-items:center;gap:12px}
.logo:hover{text-decoration:none}
.logo__mark{flex:0 0 auto}
.logo__txt{font-family:'Oswald';text-transform:uppercase;line-height:1;color:var(--ink)}
.logo__txt b{display:block;font-size:1.18rem;letter-spacing:.5px}
.logo__txt span{display:block;font-size:.66rem;letter-spacing:2px;color:var(--amber-d);font-weight:600;margin-top:3px}
.nav{margin-left:auto}
.nav>ul{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:10px 13px;color:var(--ink-2);font-weight:700;font-size:.96rem;border-radius:8px}
.nav a:hover,.nav .current-menu-item>a,.nav .current_page_item>a{background:var(--bg-soft);color:var(--blue);text-decoration:none}
.nav li.menu-item-has-children{position:relative}
.nav .sub-menu{position:absolute;top:100%;left:0;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--sh);padding:8px;display:none;flex-direction:column;z-index:95}
.nav li.menu-item-has-children:hover>.sub-menu{display:flex}
.nav .sub-menu a{font-weight:600}
.header__cta{display:flex;align-items:center;gap:14px}
.header__phone{font-family:'Oswald';font-size:1.2rem;color:var(--ink);white-space:nowrap;line-height:1}
.header__phone:hover{color:var(--blue);text-decoration:none}
.header__phone small{display:block;font-family:'Manrope';font-size:.62rem;color:var(--muted);letter-spacing:.4px;text-transform:uppercase;font-weight:600}
.cart-btn{position:relative;background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;width:46px;height:46px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem}
.cart-btn__count{position:absolute;top:-7px;right:-7px;background:var(--amber);color:var(--ink);font-size:.72rem;font-weight:800;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 5px}
.burger{display:none;flex-direction:column;gap:5px;width:46px;height:46px;border:1px solid var(--line);border-radius:10px;background:var(--bg-soft);cursor:pointer;align-items:center;justify-content:center}
.burger span{width:22px;height:2px;background:var(--ink);transition:.2s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs{background:var(--bg-soft);border-bottom:1px solid var(--line);font-size:.86rem}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:11px 0}
.breadcrumbs li:not(:last-child)::after{content:'/';margin-left:6px;color:var(--muted)}
.breadcrumbs span{color:var(--slate)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:1}
.hero__bg::after{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(15,20,26,.97) 0%,rgba(15,20,26,.88) 36%,rgba(15,20,26,.45) 66%,rgba(15,20,26,.20) 100%)}
.hero__in{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .85fr;gap:46px;align-items:center;padding:64px 0}
.hero h1{color:#fff;margin-bottom:16px}
.hero__sub{font-size:1.12rem;color:#d3dce4;max-width:52ch;margin-bottom:22px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:24px}
.hero__trust{display:flex;flex-wrap:wrap;gap:8px 10px;list-style:none;padding:0;margin:0}
.hero__trust li{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:30px;padding:7px 14px;font-size:.86rem;font-weight:600}

/* Quick order card */
.order-card{background:#fff;color:var(--ink);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-lg)}
.order-card h3{font-size:1.3rem;margin-bottom:4px}
.order-card .hint{color:var(--slate);font-size:.9rem;margin:-2px 0 16px}
.order-card .field{margin-bottom:12px}
.order-card label{font-weight:700;font-size:.86rem;display:block;margin-bottom:5px}
.order-card input,.order-card select,.order-card textarea{width:100%;padding:13px 14px;border:1.5px solid var(--line-2);border-radius:10px;font:inherit;background:#fff}
.order-card input:focus,.order-card select:focus,.order-card textarea:focus{outline:none;border-color:var(--blue)}
.order-card .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-note{font-size:.76rem;color:var(--muted);margin-top:10px}
.form-msg{padding:12px;border-radius:10px;margin-bottom:12px;font-weight:700;display:none}
.form-msg--ok{background:#e8f7ee;color:#157a42;display:block}
.form-msg--err{background:#fdecec;color:#c0392b;display:block}

/* ---------- Stat strip ---------- */
.stats{background:var(--dark-2);color:#fff}
.stats__in{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.08)}
.stat{background:var(--dark-2);padding:26px 22px;text-align:center}
.stat__num{font-family:'Oswald';font-size:2.1rem;color:var(--amber);line-height:1}
.stat__label{color:#aebac6;font-size:.92rem;margin-top:6px}

/* ---------- Advantages ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.adv{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:.18s}
.adv:hover{box-shadow:var(--sh);transform:translateY(-3px);border-color:transparent}
.adv__icon{width:52px;height:52px;border-radius:12px;background:var(--amber-soft);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--amber-d)}
.adv__icon svg{width:28px;height:28px}
.adv h3{font-size:1.18rem;margin-bottom:6px}
.adv p{color:var(--slate);margin:0;font-size:.96rem}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:20px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--marks{grid-template-columns:repeat(auto-fill,minmax(178px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--sh);transform:translateY(-3px);text-decoration:none;border-color:transparent}
.card__img{aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft-2)}
.card__img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .card__img img{transform:scale(1.05)}
.card__body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card__title{font-family:'Oswald';font-size:1.2rem;color:var(--ink)}
.card__desc{color:var(--slate);font-size:.92rem}
.card__more{margin-top:auto;color:var(--blue);font-weight:700;font-size:.92rem}
.card__cat{color:var(--amber-d);font-size:.74rem;font-weight:800;text-transform:uppercase;letter-spacing:.6px}

/* Mark card */
.mark{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:10px;transition:.18s;position:relative}
.mark:hover{box-shadow:var(--sh);transform:translateY(-3px);border-color:transparent;text-decoration:none}
.mark__name{font-family:'Oswald';font-size:2rem;color:var(--ink);line-height:1}
.mark__class{color:var(--muted);font-size:.86rem;font-weight:700}
.mark__price{font-family:'Oswald';font-size:1.35rem;color:var(--amber-d)}
.mark__price small{font-size:.7rem;color:var(--slate);font-weight:600}
.mark__btns{display:flex;flex-direction:column;gap:8px;margin-top:auto}
.mark__btns .btn{width:100%;padding:11px 12px;min-width:0}
.mark__pop{position:absolute;top:12px;right:12px;background:var(--amber);color:var(--ink);font-size:.66rem;font-weight:800;padding:4px 9px;border-radius:20px;text-transform:uppercase;letter-spacing:.4px}

/* ---------- Prose / content ---------- */
.prose{font-size:1.05rem;color:var(--ink-2)}
.prose h2{margin-top:1.5em}.prose h3{margin-top:1.2em}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.2em}
.prose li{margin-bottom:.45em}
.prose img{border-radius:var(--r);margin:1.2em 0}
.prose a{font-weight:600}
.answer{background:var(--amber-soft);border:1px solid #f4dca0;border-left:4px solid var(--amber);border-radius:12px;padding:16px 20px;margin:0 0 1.5em}
.answer b{display:block;text-transform:uppercase;font-size:.74rem;letter-spacing:1px;color:var(--amber-d);margin-bottom:4px}
.answer p{margin:0}

/* Tables */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--r);margin:0 0 1.4em}
table.data{width:100%;border-collapse:collapse;min-width:520px}
table.data caption{text-align:left;font-family:'Oswald';font-size:1.1rem;padding:14px 16px;color:var(--ink)}
table.data th,table.data td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:.96rem}
table.data thead th{background:var(--dark-2);color:#fff;font-family:'Manrope';font-weight:700;white-space:nowrap;position:sticky;top:0}
table.data tbody tr:nth-child(even){background:var(--bg-soft)}
table.data tbody tr:hover{background:var(--amber-soft)}
.price-cell{font-weight:800;color:var(--amber-d);white-space:nowrap}
.table-note{font-size:.82rem;color:var(--muted);margin-top:8px}

/* Toggle gravel/granite */
.seg{display:inline-flex;background:var(--bg-soft-2);border-radius:30px;padding:4px;margin-bottom:16px}
.seg button{border:none;background:none;padding:9px 20px;border-radius:30px;font-weight:700;cursor:pointer;color:var(--slate);font-family:'Manrope'}
.seg button.is-active{background:#fff;color:var(--ink);box-shadow:var(--sh-sm)}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;position:relative}
.step__n{width:42px;height:42px;border-radius:50%;background:var(--ink);color:#fff;font-family:'Oswald';font-size:1.2rem;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.step h3{font-size:1.1rem;margin-bottom:4px}
.step p{color:var(--slate);font-size:.92rem;margin:0}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:16px 20px;font-family:'Oswald';font-size:1.08rem;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--amber-d);font-size:1.5rem;line-height:1}
.faq details[open] summary::after{content:'–'}
.faq .faq__a{padding:0 20px 18px;color:var(--ink-2)}
.faq .faq__a p{margin:0}

/* Related / chips */
.related{margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips a{background:var(--bg-soft);border:1px solid var(--line);padding:9px 16px;border-radius:30px;font-weight:700;font-size:.9rem;color:var(--ink-2)}
.chips a:hover,.chips a.is-active{background:var(--amber);border-color:var(--amber);color:var(--ink);text-decoration:none}

/* Trust band */
.trust-band{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.trust-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.trust-list li{display:flex;gap:12px;align-items:flex-start}
.trust-list .ck{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--ok);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.9rem;margin-top:2px}

/* Calculator */
.calc{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh)}
.calc label{font-weight:700;font-size:.88rem;display:block;margin-bottom:6px}
.calc select,.calc input{width:100%;padding:13px;border:1.5px solid var(--line-2);border-radius:10px;font:inherit;margin-bottom:14px}
.calc__fields{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.calc__out{background:var(--dark-2);color:#fff;border-radius:var(--r);padding:24px;align-self:start}
.calc__row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.calc__row b{font-family:'Oswald'}
.calc__total{font-size:1.05rem}.calc__total b{font-size:1.7rem;color:var(--amber)}

/* CTA band */
.cta-band{background:linear-gradient(110deg,var(--blue) 0%,var(--blue-d) 100%);color:#fff;border-radius:var(--r-lg);padding:40px;display:grid;grid-template-columns:1.4fr .9fr;gap:30px;align-items:center}
.cta-band h2{color:#fff;margin:0 0 6px}.cta-band p{color:#dce8fb;margin:0}

/* ---------- Footer ---------- */
.footer{background:var(--dark);color:#aab6c2;padding:54px 0 24px;font-size:.94rem}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer h4{color:#fff;font-family:'Oswald';font-size:1.05rem;margin-bottom:14px}
.footer ul{list-style:none;padding:0;margin:0}.footer li{margin-bottom:9px}
.footer a{color:#aab6c2}.footer a:hover{color:#fff}
.footer__logo{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-size:.84rem}
.footer__offer{font-size:.78rem;color:#6e7c8a;margin-top:12px}

/* ---------- Popup / modal ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.is-open{display:flex}
.modal__overlay{position:absolute;inset:0;background:rgba(11,15,20,.6);backdrop-filter:blur(3px)}
.modal__box{position:relative;background:#fff;border-radius:var(--r-lg);padding:30px;max-width:460px;width:100%;box-shadow:var(--sh-lg);max-height:90vh;overflow:auto}
.modal__close{position:absolute;top:14px;right:14px;width:36px;height:36px;border:none;background:var(--bg-soft);border-radius:50%;cursor:pointer;font-size:1.2rem}

/* ---------- Cart drawer ---------- */
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(420px,92vw);background:#fff;z-index:210;transform:translateX(100%);transition:transform .28s;display:flex;flex-direction:column;box-shadow:var(--sh-lg)}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--line)}
.drawer__head h3{margin:0}
.drawer__body{flex:1;overflow:auto;padding:20px}
.drawer__foot{padding:20px;border-top:1px solid var(--line)}
.cart-item{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.cart-item__name{font-family:'Oswald';font-size:1.1rem}
.cart-item__price{color:var(--slate);font-size:.86rem}
.cart-item input{width:64px;padding:8px;border:1.5px solid var(--line-2);border-radius:8px;font:inherit}
.cart-item__rm{margin-left:auto;border:none;background:none;color:#c0392b;cursor:pointer;font-size:1.1rem}
.cart-empty{color:var(--slate);text-align:center;padding:40px 0}
.drawer-backdrop{position:fixed;inset:0;background:rgba(11,15,20,.5);z-index:205;display:none}
.drawer-backdrop.is-open{display:block}

/* ---------- Mobile sticky bar ---------- */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:120;box-shadow:0 -4px 16px rgba(0,0,0,.15)}
.mbar a{flex:1;padding:14px;text-align:center;font-weight:800}
.mbar a:hover{text-decoration:none}
.mbar__call{background:var(--ink);color:#fff}.mbar__order{background:var(--amber);color:var(--ink)}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .hero__in{grid-template-columns:1fr;gap:30px}
  .grid--4,.stats__in,.steps{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .trust-band,.cta-band,.calc{grid-template-columns:1fr}
}
@media(max-width:880px){
  .nav{position:fixed;inset:0 0 0 auto;width:min(84vw,360px);background:#fff;transform:translateX(100%);transition:transform .26s;
    box-shadow:var(--sh-lg);padding:74px 16px 24px;overflow-y:auto;z-index:130;margin:0}
  .nav.is-open{transform:translateX(0)}
  .nav>ul{flex-direction:column;gap:2px}
  .nav a{padding:13px;font-size:1.05rem}
  .nav .sub-menu{position:static;display:flex;box-shadow:none;border:none;border-left:2px solid var(--line);border-radius:0;padding:0 0 0 12px;margin:2px 0 6px}
  .burger{display:flex}
  .header__phone small{display:none}
  .nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:125;display:none}
  .nav-backdrop.is-open{display:block}
  .mbar{display:flex}
  body{padding-bottom:54px}
}
@media(max-width:560px){
  .section{padding:46px 0}
  .grid--3,.grid--4,.adv-grid,.stats__in,.steps,.grid--marks{grid-template-columns:1fr}
  .grid--marks{grid-template-columns:1fr 1fr}
  .header__phone{display:none}
  .order-card .row,.calc__fields{grid-template-columns:1fr 1fr}
  .cta-band{padding:26px}
}
/* перенос длинных слов/телефонов */
.prose,td,th,h1,h2,h3,.card__title{overflow-wrap:anywhere}

/* Ссылки на другие сайты компании в подвале */
.footer__sites{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;padding:14px 0;border-top:1px solid rgba(255,255,255,.1);margin-top:10px;font-size:14px;opacity:.85}
.footer__sites span{opacity:.7}
.footer__sites a{color:#f6a821;text-decoration:none}
.footer__sites a:hover{text-decoration:underline}