.catalog-page { background: var(--paper); }
.catalog-page .site-header, .product-page .site-header { position: sticky; top: 0; }

.catalog-hero { padding: clamp(58px, 7vw, 96px) 0 52px; border-bottom: 1px solid var(--line); background: #fff; }
.catalog-hero__row { display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: clamp(40px, 7vw, 100px); }
.catalog-hero h1 { max-width: 850px; margin: 0; font-size: clamp(58px, 7.5vw, 104px); font-weight: 760; letter-spacing: -.07em; line-height: .89; }
.catalog-hero h1 span { color: #a0a3ae; }
.catalog-hero__aside { padding-bottom: 6px; }
.catalog-hero__aside p { max-width: 440px; margin: 0 0 24px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.catalog-count { display: inline-flex; align-items: center; gap: 10px; font-size: 11px; font-weight: 760; }
.catalog-count i { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px rgba(22,125,93,.11); }

.catalog-tools { position: sticky; top: 139px; z-index: 40; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.95); backdrop-filter: blur(14px); }
.catalog-tools__inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.filters { display: flex; gap: 7px; }
.filter-button { height: 38px; padding: 0 16px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-size: 11px; font-weight: 750; cursor: pointer; transition: border-color .2s ease, color .2s ease, background .2s ease; }
.filter-button:hover, .filter-button.is-active { border-color: var(--ink); color: #fff; background: var(--ink); }
.catalog-search { position: relative; width: min(100%, 330px); }
.catalog-search input { width: 100%; height: 42px; padding: 0 42px 0 14px; border: 1px solid var(--line); border-radius: 8px; outline: 0; background: var(--paper); font-size: 12px; }
.catalog-search input:focus { border-color: var(--accent); background: #fff; }
.catalog-search span { position: absolute; top: 50%; right: 15px; transform: translateY(-50%); }

.catalog { padding: 64px 0 clamp(90px, 10vw, 140px); }
.catalog-section { scroll-margin-top: 230px; }
.catalog-section + .catalog-section { margin-top: 94px; }
.catalog-section__heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 28px; padding-bottom: 19px; border-bottom: 1px solid #d7d8de; }
.catalog-section__heading h2 { margin: 0; font-size: clamp(36px, 4.4vw, 58px); line-height: 1; letter-spacing: -.052em; font-weight: 720; }
.catalog-section__heading p { margin: 0; color: var(--muted); font-size: 11px; }
.catalog-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.catalog-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 15px; background: #fff; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .2s ease; }
.catalog-card:hover { transform: translateY(-5px); border-color: #d2d4dc; box-shadow: 0 18px 40px rgba(22,26,41,.09); }
.catalog-card[hidden] { display: none; }
.catalog-card__image { position: relative; height: 260px; overflow: hidden; background: #f5f6f8; }
.catalog-card__image::after { content: "View details"; position: absolute; left: 50%; bottom: 14px; padding: 8px 12px; border-radius: 7px; color: #fff; background: rgba(16,17,22,.9); font-size: 9px; font-weight: 760; opacity: 0; transform: translate(-50%,8px); transition: opacity .25s ease, transform .25s ease; }
.catalog-card__image img { width: 100%; height: 100%; box-sizing: border-box; padding: 24px; object-fit: contain; mix-blend-mode: multiply; transition: transform .6s var(--ease); }
.catalog-card:hover .catalog-card__image img { transform: scale(1.035); }
.catalog-card__image img[src$="iphone-air-front.jpg"] { transform: scale(1.85) translateY(-3%); }
.catalog-card:hover .catalog-card__image img[src$="iphone-air-front.jpg"] { transform: scale(1.95) translateY(-3%); }
.catalog-card:hover .catalog-card__image::after { opacity: 1; transform: translate(-50%,0); }
.catalog-card__body { padding: 17px 17px 18px; }
.catalog-card__meta { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 9px; color: var(--muted); font-size: 8px; font-weight: 760; letter-spacing: .1em; text-transform: uppercase; }
.catalog-card__meta span:last-child { color: var(--success); }
.catalog-card h3 { margin: 0; font-size: 20px; line-height: 1.16; letter-spacing: -.034em; font-weight: 700; }
.catalog-card__bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; padding-top: 13px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.catalog-card__arrow { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--ink); font-size: 10px; transition: background .2s ease; }
.catalog-card:hover .catalog-card__arrow { background: var(--accent); }
.catalog-empty { padding: 70px 0; color: var(--muted); text-align: center; }

.catalog-cta { padding: 0 var(--pad) 80px; background: var(--paper); }
.catalog-cta__inner { width: min(100%, var(--container)); display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: clamp(40px, 5vw, 64px); border-radius: 20px; color: #fff; background: var(--ink); }
.catalog-cta h2 { max-width: 720px; margin: 0; font-size: clamp(38px, 4.6vw, 62px); line-height: .97; letter-spacing: -.052em; }
.catalog-cta .button { border-color: #fff; color: var(--ink); background: #fff; box-shadow: none; }

@media (max-width: 1080px) { .catalog-grid { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 800px) {
  .catalog-tools { top: 127px; }
  .catalog-hero__row { grid-template-columns: 1fr; }
  .catalog-tools__inner { padding-block: 13px; align-items: stretch; flex-direction: column; }
  .catalog-search { width: 100%; }
  .catalog-grid { grid-template-columns: repeat(2,1fr); }
  .catalog-cta__inner { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 540px) {
  .catalog-hero { padding-top: 48px; }
  .catalog-hero h1 { font-size: 54px; }
  .filters { width: 100%; display: grid; grid-template-columns: repeat(2, 1fr); }
  .filter-button { width: 100%; padding-inline: 8px; }
  .catalog-grid { grid-template-columns: 1fr; }
  .catalog-card__image { height: 310px; }
  .catalog-section__heading { align-items: flex-start; flex-direction: column; gap: 8px; }
  .catalog-cta { padding-inline: 16px; }
}