:root{
  /* Poizon palette: charcoal ink, cool-grey surfaces, teal accent */
  --bg:#ffffff; --ink:#14151a; --muted:#7f7f8e; --line:#ececf1;
  --accent:#14151a; --accent2:#00c2c3; --accent2-dk:#00a6a7; --soft:#f5f5f9; --radius:14px;
  --wrap:1180px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Montserrat,system-ui,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.muted{color:var(--muted)}
.small{font-size:13px}
h1{font-size:26px;font-weight:800;letter-spacing:-.5px;margin:18px 0}
h2{font-size:21px;font-weight:700;margin:0}
h3{font-size:17px;font-weight:700}

/* top bar */
.topbar{background:var(--ink);color:#fff;font-size:13px}
.topbar__row{display:flex;gap:20px;align-items:center;height:38px;flex-wrap:wrap;overflow:hidden}
.topbar__phone{margin-left:auto;font-weight:600}

/* header */
.header{border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:30}
.header__row{display:flex;align-items:center;gap:18px;height:70px}
.logo{font-weight:800;font-size:24px;letter-spacing:-1px}
.logo span{color:var(--accent2)}
.logo--sm{font-size:20px}
.search{flex:1;display:flex;max-width:560px;border:1.5px solid var(--ink);border-radius:999px;overflow:hidden}
.search input{flex:1;border:0;padding:11px 18px;font-size:14px;outline:none}
.search button{border:0;background:var(--ink);color:#fff;padding:0 22px;font-weight:600;cursor:pointer}
.cart-link{font-weight:600;position:relative;white-space:nowrap}
.badge{background:var(--accent2);color:#fff;border-radius:999px;padding:1px 7px;font-size:12px;margin-left:4px}
.nav{border-top:1px solid var(--line)}
.nav__row{display:flex;gap:22px;height:46px;align-items:center;overflow-x:auto;font-size:14px;font-weight:500}
.nav__row a{color:#33363c;white-space:nowrap}
.nav__row a:hover{color:var(--accent2)}

/* flash */
.flash{margin:12px 0;padding:11px 14px;border-radius:10px;background:var(--soft);font-size:14px}
.flash--success{background:#eafaef;color:#1b7a3d}

.main{min-height:50vh;padding:8px 16px 40px}

/* hero */
.hero{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:center;background:linear-gradient(120deg,#14151a 0%,#1d2733 60%,#053f40 100%);color:#fff;border-radius:var(--radius);padding:38px;margin:18px 0}
.hero h1{color:#fff;font-size:32px;margin:0 0 12px}
.hero p{color:#cfd2d8;max-width:520px;margin:0 0 20px}
.hero__cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hero__chip{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:14px;font-weight:600}

/* buttons */
.btn{display:inline-block;border:1.5px solid var(--ink);background:#fff;color:var(--ink);padding:12px 22px;border-radius:999px;font-weight:600;cursor:pointer;font-size:15px;transition:.15s}
.btn:hover{background:var(--soft)}
.btn--primary{background:var(--ink);border-color:var(--ink);color:#fff}
.btn--primary:hover{background:#000}
.btn--accent{background:var(--accent2);border-color:var(--accent2);color:#04201f}
.btn--accent:hover{background:var(--accent2-dk)}
.btn--block{display:block;width:100%;text-align:center}

/* blocks */
.block{margin:34px 0}
.block__head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px}
.block__head a{color:var(--accent2);font-weight:600;font-size:14px}

/* product grid */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.15s;display:flex;flex-direction:column}
.card:hover{box-shadow:0 8px 26px rgba(0,0,0,.08);transform:translateY(-2px)}
.card__img{position:relative;aspect-ratio:1/1;background:var(--soft)}
.card__img img{width:100%;height:100%;object-fit:cover}
.card__noimg{display:flex;align-items:center;justify-content:center;height:100%;color:var(--muted);font-size:13px}
.card__badge{position:absolute;top:10px;left:10px;background:var(--accent2);color:#fff;font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px}
.card__badge--out{background:#555;left:auto;right:10px}
.card__body{padding:12px 13px 14px;display:flex;flex-direction:column;gap:4px;flex:1}
.card__brand{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.card__title{font-weight:500;font-size:14px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:38px}
.card__price{font-weight:800;font-size:17px;margin-top:auto}

/* brands */
.brands{display:flex;flex-wrap:wrap;gap:10px}
.brands__item{border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-weight:600;background:#fff}
.brands__item:hover{border-color:var(--ink)}

/* promo */
.promo{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:34px 0}
.promo__item{background:var(--soft);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:8px}
.promo__item b{font-size:16px}
.promo__item span{color:var(--muted);font-size:14px}

/* catalog */
.catalog{display:grid;grid-template-columns:220px 1fr;gap:24px;margin-top:8px}
.filters h4{margin:6px 0 10px}
.filters__list{display:flex;flex-direction:column;gap:4px}
.filters__list a{padding:6px 10px;border-radius:8px;font-size:14px;color:#444}
.filters__list a.is-active,.filters__list a:hover{background:var(--soft);color:var(--ink);font-weight:600}
.catalog__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.sort select{border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-family:inherit;font-size:14px}
.pager{display:flex;align-items:center;justify-content:center;gap:18px;margin:28px 0}
.pager a{font-weight:600;color:var(--accent2)}

/* product page */
.crumbs{font-size:13px;color:var(--muted);margin:14px 0}
.crumbs a:hover{color:var(--ink)}
.product{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:6px}
.product__main-img{aspect-ratio:1/1;background:var(--soft);border-radius:var(--radius);overflow:hidden}
.product__main-img img{width:100%;height:100%;object-fit:cover}
.product__thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.product__thumbs img{width:72px;height:72px;object-fit:cover;border-radius:10px;border:2px solid transparent;cursor:pointer}
.product__thumbs img.is-active{border-color:var(--ink)}
.product__brand{color:var(--muted);text-transform:uppercase;letter-spacing:.5px;font-size:13px}
.product__price{font-size:28px;font-weight:800;margin:14px 0}
.sizes{margin:16px 0}
.sizes__label{font-weight:600;margin-bottom:8px}
.sizes__list{display:flex;flex-wrap:wrap;gap:8px}
.size{position:relative}
.size input{position:absolute;opacity:0}
.size span{display:inline-block;border:1.5px solid var(--line);border-radius:10px;padding:9px 14px;cursor:pointer;font-weight:600;min-width:46px;text-align:center}
.size input:checked+span{border-color:var(--ink);background:var(--ink);color:#fff}
.size--off span{opacity:.4;text-decoration:line-through;cursor:not-allowed}
.product__actions{display:flex;gap:12px;margin:18px 0;flex-wrap:wrap}
.product__notes{list-style:none;padding:0;margin:18px 0;display:flex;flex-direction:column;gap:8px;color:#3a3d44;font-size:14px}
.product__desc{margin-top:20px;border-top:1px solid var(--line);padding-top:16px}

/* cart */
.cart{display:grid;grid-template-columns:1fr 320px;gap:24px;margin-top:10px}
.cart__row{display:grid;grid-template-columns:84px 1fr 90px 110px 30px;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding:14px 0}
.cart__img{width:84px;height:84px;border-radius:10px;overflow:hidden;background:var(--soft)}
.cart__img img{width:100%;height:100%;object-fit:cover}
.cart__name{font-weight:600}
.cart__qty input{width:64px;padding:8px;border:1px solid var(--line);border-radius:8px;text-align:center}
.cart__sum{font-weight:700;text-align:right}
.cart__del{border:0;background:none;color:var(--muted);font-size:18px;cursor:pointer}
.cart__summary{background:var(--soft);border-radius:var(--radius);padding:20px;height:fit-content;position:sticky;top:130px}
.cart__line{display:flex;justify-content:space-between;margin:10px 0}
.cart__total{display:flex;justify-content:space-between;font-size:19px;font-weight:800;border-top:1px solid var(--line);padding-top:12px;margin:12px 0}

/* checkout */
.checkout{display:grid;grid-template-columns:1fr 340px;gap:24px;margin-top:10px}
.form-row{margin-bottom:14px;display:flex;flex-direction:column;gap:6px}
.form-row label{font-weight:600;font-size:14px}
.field,.checkout input[type=text],.checkout textarea{border:1.5px solid var(--line);border-radius:10px;padding:11px 14px;font-family:inherit;font-size:15px;width:100%}
.checkout ul{list-style:none;padding:0}
.checkout li{margin:6px 0}
.form-err{color:#c0392b;font-size:13px}
.checkout__summary{background:var(--soft);border-radius:var(--radius);padding:20px;height:fit-content}
.checkout__item{display:flex;justify-content:space-between;gap:10px;margin:8px 0;font-size:14px}

/* done */
.done{text-align:center;max-width:560px;margin:30px auto;padding:30px}
.done__icon{width:70px;height:70px;border-radius:50%;background:#eafaef;color:#1b7a3d;font-size:36px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.done__sum{background:var(--soft);border-radius:var(--radius);padding:18px;margin:20px 0;text-align:left}
.done__sum>div{display:flex;justify-content:space-between;margin:8px 0}
.done__total{font-weight:800;font-size:18px;border-top:1px solid var(--line);padding-top:10px}

/* article */
.article{max-width:780px;margin:0 auto}
.article__body{line-height:1.7;color:#2a2d33}
.article__body h2,.article__body h3{margin-top:22px}
.article__body ul{padding-left:20px}

/* footer */
.footer{border-top:1px solid var(--line);margin-top:30px;padding:34px 0 24px;background:var(--soft)}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:24px}
.footer h4{margin:0 0 12px;font-size:15px}
.footer a{display:block;color:#3a3d44;font-size:14px;margin-bottom:7px}
.footer a:hover{color:var(--accent2)}
.footer__bottom{border-top:1px solid var(--line);margin-top:22px;padding-top:16px}

@media(max-width:900px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .hero{grid-template-columns:1fr;padding:26px}
  .hero h1{font-size:26px}
  .product,.cart,.checkout{grid-template-columns:1fr}
  .catalog{grid-template-columns:1fr}
  .filters{order:2}
  .promo,.footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .header__row{flex-wrap:wrap;height:auto;padding:10px 0;gap:10px}
  .search{order:3;max-width:none;flex-basis:100%}
  .topbar__row{gap:12px;font-size:12px}
  .topbar span:nth-child(2){display:none}
  .promo,.footer__grid{grid-template-columns:1fr}
  .cart__row{grid-template-columns:64px 1fr 70px;grid-template-areas:"img meta meta" "img qty sum"}
  .cart__img{grid-area:img}.cart__meta{grid-area:meta}.cart__qty{grid-area:qty}.cart__sum{grid-area:sum}.cart__del{grid-area:none}
  h1{font-size:22px}
}