/* ===================== CORSAIRS · SUPPLY — storefront ===================== */

/* ═══════════════════════════════════════════════════════
   §1  LAYOUT CONTAINER
   ═══════════════════════════════════════════════════════ */
.container { max-width: 1440px; margin: 0 auto; padding: 0 32px; }

/* ═══════════════════════════════════════════════════════
   §2  TOP BAR
   ═══════════════════════════════════════════════════════ */
.topbar { font-size: 12px; color: var(--ink-soft); }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; padding: 8px 32px; border-bottom: 1px solid var(--line-soft); }
.topbar__left { display: flex; align-items: center; gap: 6px; }
.topbar__left .separator { margin: 0 14px; width: 1px; height: 14px; background: var(--line); display: inline-block; }
.topbar__right { display: flex; align-items: center; gap: 24px; }
.topbar__right a:hover { color: var(--ink); }
.topbar .vline { width: 1px; height: 14px; background: var(--line); display: inline-block; }

/* ═══════════════════════════════════════════════════════
   §3  HEADER
   ═══════════════════════════════════════════════════════ */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.header__main { display: flex; align-items: center; gap: 20px; padding: 16px 32px; }
.header__logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.header__logo-text { line-height: 1.0; }
.header__logo-name { font-weight: 700; letter-spacing: 0.06em; font-size: 14px; color: var(--ink); }
.header__logo-sub { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.18em; color: var(--muted); margin-top: 3px; }

/* catalog button */
.btn-catalog { display: inline-flex; align-items: center; gap: 10px; height: 48px; padding: 0 18px; background: var(--cta); color: #fff; font-weight: 600; font-size: 14px; letter-spacing: -0.005em; border-radius: var(--r-sm); min-width: 170px; justify-content: space-between; }
.btn-catalog:hover { background: var(--cta-hover); }

/* search */
.header__search { flex: 1; position: relative; }
.header__search input { width: 100%; height: 48px; padding-left: 40px; padding-right: 90px; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-sm); font-size: 14px; outline: none; }
.header__search input:focus { border-color: var(--olive); }
.header__search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.header__search-btn { position: absolute; right: 6px; top: 6px; height: 36px; padding: 0 14px; background: var(--olive); color: #fff; border-radius: 4px; font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }

/* phone */
.header__phone { display: flex; align-items: center; gap: 12px; padding-left: 8px; border-left: 1px solid var(--line); }
.header__phone-number { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 13px; }
.header__phone-hours { font-size: 10px; color: var(--muted); }

/* icon buttons */
.header__icons { display: flex; align-items: center; gap: 6px; }
.icon-btn { width: 36px; height: 36px; border-radius: var(--r-sm); display: inline-flex; align-items: center; justify-content: center; color: var(--ink); position: relative; }
.icon-btn:hover { background: var(--surface-2); }
.icon-btn__count { position: absolute; top: 4px; right: 4px; min-width: 14px; height: 14px; padding: 0 4px; background: var(--orange); color: #fff; border-radius: 7px; font-size: 9px; font-weight: 700; font-family: var(--font-mono); display: inline-flex; align-items: center; justify-content: center; }

/* ═══════════════════════════════════════════════════════
   §4  HERO
   ═══════════════════════════════════════════════════════ */
.hero { padding: 24px 32px 0; }
.hero__inner {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  background: linear-gradient(180deg, #1f2118 0%, #2a2e1f 100%);
  min-height: 420px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 0;
}
.hero__content {
  padding: 48px 48px 36px; color: #f4f3ee;
  display: flex; flex-direction: column; justify-content: space-between; position: relative;
}
.hero__eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: #cdd1b8; text-transform: uppercase; margin-bottom: 14px; }
.hero__title { font-size: 54px; font-weight: 700; letter-spacing: -0.03em; line-height: 0.98; max-width: 540px; }
.hero__text { font-size: 16px; color: #d8dac6; margin-top: 18px; max-width: 440px; line-height: 1.5; }
.hero__actions { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.hero__stats { display: flex; gap: 36px; margin-top: 32px; font-family: var(--font-mono); font-size: 11px; color: #a8ad92; letter-spacing: 0.06em; text-transform: uppercase; }
.hero__stat-num { font-size: 24px; color: #fff; font-weight: 700; font-family: var(--font-ui); letter-spacing: -0.02em; }
.hero__media {
  position: relative;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.04) 0 18px, rgba(0,0,0,0.10) 18px 22px),
    radial-gradient(at 30% 30%, #3a4128 0%, #1c1f15 80%);
}
.hero__promo-badge {
  position: absolute; top: 24px; right: 24px;
  background: var(--orange); color: #fff;
  padding: 18px 22px; border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  min-width: 200px; transform: rotate(-2deg);
}
.hero__promo-eyebrow { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; opacity: 0.88; text-transform: uppercase; }
.hero__promo-discount { font-size: 36px; font-weight: 700; letter-spacing: -0.02em; margin-top: 2px; }
.hero__promo-detail { font-size: 12px; margin-top: 4px; line-height: 1.35; }
.hero__photo-caption {
  position: absolute; left: 24px; bottom: 24px;
  background: rgba(20,22,16,0.72); backdrop-filter: blur(8px); color: #fff;
  padding: 10px 14px; border-radius: var(--r-sm);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
}
.hero__dots { position: absolute; right: 24px; bottom: 24px; display: flex; gap: 6px; }
.hero__dot { height: 4px; border-radius: 2px; background: rgba(255,255,255,0.4); }
.hero__dot--active { width: 24px; background: #fff; }
.hero__dot--inactive { width: 8px; }

/* ═══════════════════════════════════════════════════════
   §5  QUICK CATEGORIES
   ═══════════════════════════════════════════════════════ */
.quick-cats { padding: 32px 32px 12px; }
.cat-grid { display: grid; grid-template-columns: repeat(9, 1fr); gap: 10px; }
.cat-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 12px; display: flex; flex-direction: column; align-items: center; gap: 8px;
  transition: border-color .15s;
}
.cat-card:hover { border-color: var(--muted-2); }
.cat-card__img {
  width: 100%; aspect-ratio: 1.4; position: relative;
  background: var(--surface-3); border-radius: var(--r-sm); overflow: hidden;
}
.cat-card__name { font-size: 12px; font-weight: 600; text-align: center; line-height: 1.2; }
.cat-card__sub { font-family: var(--font-mono); font-size: 9px; color: var(--muted); text-align: center; letter-spacing: 0.04em; }

/* ═══════════════════════════════════════════════════════
   §6  BENEFITS STRIP
   ═══════════════════════════════════════════════════════ */
.benefits-section { padding: 8px 32px; }
.benefits-strip {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 14px 18px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px;
}
.benefit { display: flex; align-items: center; gap: 12px; padding-right: 12px; }
.benefit--bordered { border-right: 1px solid var(--line-soft); }
.benefit__icon {
  width: 38px; height: 38px; border-radius: var(--r-sm); background: var(--olive-bg);
  display: flex; align-items: center; justify-content: center; color: var(--olive); flex-shrink: 0;
}
.benefit__title { font-size: 12px; font-weight: 600; line-height: 1.2; }
.benefit__text { font-family: var(--font-mono); font-size: 10px; color: var(--muted); margin-top: 2px; letter-spacing: 0.04em; }

/* ═══════════════════════════════════════════════════════
   §7  SECTION HEADERS
   ═══════════════════════════════════════════════════════ */
.section { padding: 40px 32px; }
.section-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 18px; }
.section-header__title { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.view-all { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; color: var(--olive); }

/* ═══════════════════════════════════════════════════════
   §8  KIT CARDS
   ═══════════════════════════════════════════════════════ */
.kit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.kit-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 16px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 14px; align-items: stretch;
}
.kit-card__body { display: flex; flex-direction: column; gap: 8px; }
.kit-card__title { font-size: 15px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; }
.kit-card__items { display: flex; flex-direction: column; gap: 4px; margin-top: 4px; }
.kit-card__item { font-size: 12px; color: var(--ink-soft); display: flex; gap: 6px; }
.kit-card__item-bullet { color: var(--olive); margin-top: 1px; }
.kit-card__footer { margin-top: auto; display: flex; flex-direction: column; gap: 6px; }
.kit-card__price { display: flex; align-items: baseline; gap: 8px; }
.kit-card__img {
  background: var(--surface-3); border-radius: var(--r-sm); position: relative; overflow: hidden;
}
.kit-card__img-label {
  position: absolute; right: 8px; bottom: 6px;
  font-family: var(--font-mono); font-size: 9px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.1em;
}

/* ═══════════════════════════════════════════════════════
   §9  PRODUCT CARDS
   ═══════════════════════════════════════════════════════ */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.product-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 14px; display: flex; flex-direction: column; gap: 10px; position: relative;
  transition: box-shadow .2s;
}
.product-card:hover { box-shadow: var(--shadow-md); }
.product-card__badges { position: absolute; top: 10px; left: 10px; z-index: 1; display: flex; gap: 4px; }
.product-card__fav { position: absolute; top: 10px; right: 10px; z-index: 1; color: var(--muted); }
.product-card__fav:hover { color: var(--orange); }
.product-card__img {
  width: 100%; aspect-ratio: 1.25;
  background: repeating-linear-gradient(135deg, #eceae3 0 14px, rgba(28,28,28,0.04) 14px 16px);
  border-radius: var(--r-sm); overflow: hidden; position: relative;
}
.product-card__img-label {
  position: absolute; left: 8px; bottom: 6px;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.12em;
  color: rgba(28,28,28,0.5); text-transform: uppercase;
}
.product-card__name { font-size: 14px; font-weight: 600; line-height: 1.3; letter-spacing: -0.005em; min-height: 36px; }
.product-card__tags { font-family: var(--font-mono); font-size: 10px; color: var(--muted); letter-spacing: 0.04em; display: flex; flex-wrap: wrap; gap: 4px; }
.product-card__tags-sep { color: var(--muted-2); }
.product-card__specs { font-family: var(--font-mono); font-size: 10px; color: var(--ink-soft); display: flex; flex-wrap: wrap; gap: 8px; }
.product-card__footer { display: flex; align-items: flex-end; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 6px; }
.product-card__bottom { display: flex; align-items: center; gap: 8px; }
.product-card__stock { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: var(--in-stock); }
.product-card__stock-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--in-stock); }
.product-card__cart-btn {
  margin-left: auto; width: 36px; height: 36px; border-radius: var(--r-sm);
  background: var(--cta); color: #fff; display: inline-flex; align-items: center; justify-content: center;
}
.product-card__cart-btn:hover { background: var(--cta-hover); }

/* ═══════════════════════════════════════════════════════
   §10  BADGES
   ═══════════════════════════════════════════════════════ */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 3px 7px; border-radius: 3px; font-family: var(--font-mono);
}
.badge-sale { background: var(--orange); color: #fff; }
.badge-hit { background: var(--cta); color: #fff; }
.badge-new { background: var(--ink); color: #fff; }
.badge-promo { background: var(--olive-bg); color: var(--olive); }
.badge-novice { background: #e6e7d4; color: var(--olive); }
.badge-neutral { background: var(--surface-3); color: var(--ink-soft); }

/* ═══════════════════════════════════════════════════════
   §11  BUTTONS
   ═══════════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; border-radius: var(--r-sm); letter-spacing: -0.005em;
  border: 1px solid transparent; transition: background .15s, border-color .15s;
}
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; }
.btn-md { height: 40px; padding: 0 16px; font-size: 14px; }
.btn-lg { height: 48px; padding: 0 20px; font-size: 15px; }
.btn-primary { background: var(--cta); color: #fff; }
.btn-primary:hover { background: var(--cta-hover); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--ink-2); }
.btn-outline { background: transparent; color: var(--olive); border-color: var(--olive); }
.btn-outline:hover { background: var(--olive-bg); }
.btn-orange { background: var(--orange); color: #fff; }
.btn-soft { background: var(--surface-3); color: var(--ink); }
.btn-block { width: 100%; }

/* ═══════════════════════════════════════════════════════
   §12  RATING
   ═══════════════════════════════════════════════════════ */
.rating { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; color: var(--muted); }
.rating__stars { display: inline-flex; gap: 1px; }
.rating__count { font-family: var(--font-mono); }

/* ═══════════════════════════════════════════════════════
   §13  PRICE
   ═══════════════════════════════════════════════════════ */
.price { display: inline-flex; align-items: baseline; gap: 8px; }
.price__current { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 700; letter-spacing: -0.01em; }
.price__current--sm { font-size: 14px; }
.price__current--md { font-size: 18px; }
.price__current--lg { font-size: 24px; }
.price__current--xl { font-size: 30px; }
.price__currency { font-size: 0.55em; font-weight: 600; color: var(--ink-soft); }
.price__old { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--muted); text-decoration: line-through; font-size: 12px; }

/* ═══════════════════════════════════════════════════════
   §14  PROMO TRIPLE
   ═══════════════════════════════════════════════════════ */
.promo-section { padding: 12px 32px 24px; }
.promo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.promo-card {
  border-radius: var(--r-md); padding: 20px 22px;
  display: grid; grid-template-columns: 1fr auto; gap: 14px;
  position: relative; overflow: hidden; min-height: 160px;
}
.promo-card--light { background: var(--surface); border: 1px solid var(--line); color: var(--ink); }
.promo-card--dark { background: #1c1f15; color: #fff; border: none; }
.promo-card__content { display: flex; flex-direction: column; gap: 8px; position: relative; z-index: 1; }
.promo-card__header { display: flex; align-items: center; gap: 10px; }
.promo-card__icon {
  width: 34px; height: 34px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
}
.promo-card__title { font-size: 15px; font-weight: 700; letter-spacing: -0.01em; }
.promo-card__sub {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em;
  margin-top: 2px; text-transform: uppercase;
}
.promo-card__desc { font-size: 13px; line-height: 1.45; margin-top: 2px; max-width: 280px; }
.promo-card__cta { margin-top: auto; padding-top: 8px; }
.promo-card__cta a { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; }
.promo-card__silhouette { position: absolute; right: -10px; bottom: -10px; width: 130px; height: 130px; opacity: 0.18; }

/* ═══════════════════════════════════════════════════════
   §15  FOOTER
   ═══════════════════════════════════════════════════════ */
.site-footer { background: var(--surface); border-top: 1px solid var(--line); padding: 32px 32px 18px; }
.footer__grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr 1fr 1.1fr; gap: 32px; }
.footer__brand p { font-size: 12px; color: var(--muted); margin-top: 14px; line-height: 1.55; max-width: 240px; }
.footer__social { display: flex; gap: 8px; margin-top: 14px; color: var(--muted); }
.footer__social a:hover { color: var(--ink); }
.footer__heading { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 14px; font-family: var(--font-mono); color: var(--ink); }
.footer__links { display: flex; flex-direction: column; gap: 8px; }
.footer__links li { font-size: 13px; color: var(--ink-soft); }
.footer__links li:hover { color: var(--ink); }
.footer__contact-phone { font-family: var(--font-mono); font-size: 14px; font-weight: 700; }
.footer__contact-hours { font-size: 11px; color: var(--muted); margin-top: 2px; }
.footer__contact-email { font-size: 13px; color: var(--ink-soft); margin-top: 10px; }
.footer__contact-address { font-size: 13px; color: var(--ink-soft); margin-top: 6px; max-width: 200px; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.footer__payments { display: flex; gap: 14px; font-family: var(--font-mono); }

/* ═══════════════════════════════════════════════════════
   §16  BREADCRUMB
   ═══════════════════════════════════════════════════════ */
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); margin-bottom: 14px; }
.breadcrumb__sep { color: var(--muted-2); }
.breadcrumb a:hover { color: var(--ink-soft); }
.breadcrumb__current { color: var(--ink-soft); }

/* ═══════════════════════════════════════════════════════
   §17  PRODUCT PAGE (PDP)
   ═══════════════════════════════════════════════════════ */
.pdp { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 20px 32px; }
.pdp-gallery { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 14px; }
.pdp-gallery__main { position: relative; }
.pdp-gallery__main-img { width: 100%; aspect-ratio: 1.6; background: var(--surface-3); border-radius: var(--r-sm); overflow: hidden; position: relative; }
.pdp-gallery__thumbs { display: grid; gap: 8px; margin-top: 10px; }
.pdp-gallery__thumb { border: 1.5px solid var(--line); border-radius: var(--r-sm); padding: 5px; cursor: pointer; }
.pdp-gallery__thumb--active { border-color: var(--olive); }
.pdp-info { display: flex; flex-direction: column; gap: 10px; }
.pdp-badges { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pdp-price { display: flex; align-items: baseline; gap: 12px; margin-top: 16px; }
.pdp-price__current { font-family: var(--font-mono); font-size: 36px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.pdp-price__unit { font-size: 18px; font-weight: 600; color: var(--ink-soft); }
.pdp-price__old { font-family: var(--font-mono); font-size: 14px; color: var(--muted); text-decoration: line-through; }
.pdp-price__discount { padding: 4px 8px; background: var(--orange); color: #fff; border-radius: 4px; font-size: 12px; font-weight: 700; font-family: var(--font-mono); }
.pdp-stock { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; margin-top: 8px; }
.pdp-stock__dot { width: 8px; height: 8px; border-radius: 50%; }
.pdp-specs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  margin-top: 18px; padding: 14px 16px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
}
.pdp-spec { display: flex; align-items: baseline; gap: 8px; font-size: 12px; }
.pdp-spec__label { color: var(--muted); }
.pdp-spec__value { font-weight: 600; font-family: var(--font-mono); }
.pdp-buy { display: flex; align-items: center; gap: 10px; margin-top: 18px; }
.pdp-guarantees { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.pdp-guarantee {
  display: flex; gap: 10px; padding: 10px 12px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-sm);
}
.pdp-guarantee__title { font-size: 12px; font-weight: 600; line-height: 1.2; }
.pdp-guarantee__sub { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* PDP tabs */
.pdp-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); }
.pdp-tab {
  padding: 12px 20px; font-size: 13px; font-weight: 500;
  color: var(--ink-soft); border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.pdp-tab--active { font-weight: 700; color: var(--ink); border-bottom-color: var(--olive); }

/* ═══════════════════════════════════════════════════════
   §18  CART
   ═══════════════════════════════════════════════════════ */
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: 24px; align-items: start; }
.cart-items { display: flex; flex-direction: column; }
.cart-item { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line-soft); }
.cart-item__img { width: 80px; height: 80px; background: var(--surface-2); border-radius: var(--r-sm); flex-shrink: 0; }
.cart-item__info { flex: 1; min-width: 0; }
.cart-summary { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 20px; position: sticky; top: 120px; }
.qty-stepper {
  display: inline-flex; align-items: center;
  border: 1px solid var(--line); border-radius: var(--r-sm); overflow: hidden;
}
.qty-stepper__btn { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; color: var(--ink-soft); }
.qty-stepper__input { width: 42px; text-align: center; font-size: 13px; font-weight: 600; border: 0; background: none; font-family: var(--font-mono); }

/* ═══════════════════════════════════════════════════════
   §19  CATALOG LAYOUT
   ═══════════════════════════════════════════════════════ */
.catalog-layout { display: grid; grid-template-columns: 260px 1fr; gap: 24px; padding: 20px 0; align-items: start; }
.filter-sidebar { position: sticky; top: 100px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 16px; }
.filter-group { padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
.filter-group:last-child { border-bottom: 0; }
.filter-group__title { font-size: 13px; font-weight: 600; margin-bottom: 10px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
.filter-check { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 4px 0; color: var(--ink-soft); cursor: pointer; }
.filter-check input[type="checkbox"] { accent-color: var(--olive); }
.sort-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0; margin-bottom: 12px; font-size: 13px; }
.sort-bar select { height: 36px; padding: 0 10px; border: 1px solid var(--line); border-radius: var(--r-sm); font-size: 13px; background: var(--surface); }

/* ═══════════════════════════════════════════════════════
   §20  CHECKOUT
   ═══════════════════════════════════════════════════════ */
.checkout-layout { display: grid; grid-template-columns: 1fr 400px; gap: 32px; padding: 20px 0; align-items: start; }
.checkout-form { display: flex; flex-direction: column; gap: 24px; }
.form-section { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 20px; }
.form-section h3 { font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; }
.form-label { font-size: 13px; font-weight: 500; color: var(--ink-soft); }
.form-input { height: 44px; padding: 0 14px; border: 1px solid var(--line); border-radius: var(--r-sm); font-size: 14px; background: var(--surface); outline: none; }
.form-input:focus { border-color: var(--olive); }
textarea.form-input { height: auto; min-height: 80px; padding: 10px 14px; resize: vertical; }
.form-radio { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--r-sm); font-size: 14px; cursor: pointer; }
.form-radio--active { border-color: var(--olive); background: var(--olive-bg); }
.form-radio input[type="radio"] { accent-color: var(--olive); }

/* ═══════════════════════════════════════════════════════
   §21  MEGA MENU
   ═══════════════════════════════════════════════════════ */
.mega-menu { display: none; position: absolute; top: 100%; left: 0; right: 0; z-index: 100; background: var(--surface); border-top: 1px solid var(--line); box-shadow: var(--shadow-lg); }
.mega-menu.mega-open { display: block; }
.mega-menu__inner { max-width: 1440px; margin: 0 auto; }
.mega-menu__layout { display: grid; grid-template-columns: 260px 1fr; }
.mega-menu__sidebar { border-right: 1px solid var(--line); padding: 10px 0; background: var(--surface-2); }
.mega-menu__cat { display: flex; align-items: center; gap: 10px; padding: 10px 18px; font-size: 13px; font-weight: 500; color: var(--ink); border-left: 3px solid transparent; transition: background .12s; }
.mega-menu__cat:hover, .mega-menu__cat--active { background: var(--surface); border-left-color: var(--olive); font-weight: 600; }
.mega-menu__cat--accent { color: var(--orange); }
.mega-menu__content { padding: 24px; }
.mega-menu__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; margin-bottom: 18px; }
.mega-menu__col h4 { font-size: 13px; font-weight: 700; color: var(--olive); margin-bottom: 10px; letter-spacing: -0.005em; }
.mega-menu__col a { display: block; font-size: 12px; color: var(--ink-soft); padding: 4px 0; }
.mega-menu__promo { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding-top: 18px; border-top: 1px solid var(--line-soft); }

/* ═══════════════════════════════════════════════════════
   §22  PAGINATION
   ═══════════════════════════════════════════════════════ */
.pagination { display: flex; align-items: center; justify-content: center; gap: 4px; padding: 24px 0; }
.pagination__btn { min-width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 500; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface); color: var(--ink-soft); }
.pagination__btn--active { background: var(--olive); color: #fff; border-color: var(--olive); font-weight: 700; }

/* ═══════════════════════════════════════════════════════
   §23  FLASH MESSAGES
   ═══════════════════════════════════════════════════════ */
.flash-success { padding: 12px 16px; background: #eaf5eb; border: 1px solid #b9dbb9; border-radius: var(--r-sm); color: var(--in-stock); font-size: 14px; margin-bottom: 16px; }
.flash-error { padding: 12px 16px; background: #fdecea; border: 1px solid #f5c6cb; border-radius: var(--r-sm); color: var(--danger); font-size: 14px; margin-bottom: 16px; }

/* ═══════════════════════════════════════════════════════
   §24  SILHOUETTE PLACEHOLDERS
   ═══════════════════════════════════════════════════════ */
.silhouette { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.silhouette svg { width: 78%; height: 78%; }

/* ═══════════════════════════════════════════════════════
   §25  MOBILE NAV
   ═══════════════════════════════════════════════════════ */
.mobile-nav { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 60; background: var(--surface); border-top: 1px solid var(--line); padding: 6px 0 env(safe-area-inset-bottom, 4px); }
.mobile-nav__inner { display: grid; grid-template-columns: repeat(5, 1fr); }
.mobile-nav__item { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 10px; color: var(--muted); padding: 4px 0; }
.mobile-nav__item--active { color: var(--olive); }

/* ═══════════════════════════════════════════════════════
   §26  RESPONSIVE
   ═══════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: repeat(3, 1fr); }
  .cat-grid { grid-template-columns: repeat(5, 1fr); }
  .benefits-strip { grid-template-columns: repeat(3, 1fr); }
  .kit-grid { grid-template-columns: repeat(2, 1fr); }
  .promo-grid { grid-template-columns: repeat(2, 1fr); }
  .mega-menu__layout { grid-template-columns: 220px 1fr; }
  .mega-menu__grid { grid-template-columns: repeat(3, 1fr); }
  .checkout-layout { grid-template-columns: 1fr 340px; }
}

@media (max-width: 768px) {
  .topbar { display: none; }
  .header__main { padding: 12px 16px; gap: 12px; }
  .header__phone { display: none; }
  .btn-catalog { min-width: auto; padding: 0 12px; }
  .hero { padding: 16px 16px 0; }
  .hero__inner { grid-template-columns: 1fr; min-height: auto; }
  .hero__media { display: none; }
  .hero__content { padding: 28px 20px; }
  .hero__title { font-size: 28px; }
  .hero__stats { gap: 20px; flex-wrap: wrap; }
  .quick-cats { padding: 20px 16px 12px; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .benefits-section { padding: 8px 16px; }
  .benefits-strip { grid-template-columns: 1fr; }
  .section { padding: 24px 16px; }
  .kit-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .promo-section { padding: 12px 16px 24px; }
  .promo-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .site-footer { padding: 24px 16px 14px; }
  .pdp { grid-template-columns: 1fr; padding: 20px 16px; }
  .cart-layout { grid-template-columns: 1fr; }
  .catalog-layout { grid-template-columns: 1fr; }
  .checkout-layout { grid-template-columns: 1fr; }
  .mobile-nav { display: block; }
  /* Mega menu mobile — single column sidebar only */
  .mega-menu { max-height: calc(100vh - 70px); overflow-y: auto; padding-bottom: 80px; }
  .mega-menu__layout { grid-template-columns: 1fr; }
  .mega-menu__sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--line); padding: 8px 0; }
  .mega-menu__content { display: none; }
  .mega-menu__cat { padding: 14px 18px; font-size: 14px; }
  .mega-menu__cat-chev { opacity: 1; }
  /* Catalog subcategory cards — fewer columns */
  .catalog-layout > div:first-child > div[style*="grid-template-columns:repeat"] { grid-template-columns: repeat(3, 1fr) !important; }
  /* Footer — single column on mobile */
  .footer__grid { grid-template-columns: 1fr !important; gap: 20px !important; }
  /* Bottom bar — wrap on mobile */
  .footer__bottom { flex-direction: column; gap: 12px; align-items: flex-start !important; }
}

/* ═══ Flash toast animation ═══ */
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }