/* K'NEX Shop DE — toy-bright identity: red / blue / yellow on white */
:root {
  --red: #e63329;
  --red-dark: #c4241b;
  --blue: #1c3fae;
  --blue-dark: #142e80;
  --yellow: #ffc812;
  --green: #3fa535;
  --ink: #1d2333;
  --muted: #5c6474;
  --bg: #ffffff;
  --bg-soft: #f4f6fb;
  --line: #e3e7f0;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(20, 46, 128, .10);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Nunito', 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
h1, h2, h3, .logo { font-family: 'Baloo 2', 'Nunito', sans-serif; }
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  border-bottom: 3px solid var(--yellow);
  box-shadow: 0 2px 10px rgba(29, 35, 51, .06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 64px; }
.logo {
  font-size: 1.7rem; font-weight: 800; color: var(--red);
  letter-spacing: .5px; display: inline-flex; align-items: center; gap: 8px;
}
.logo .logo-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--blue); box-shadow: 18px 0 0 -3px var(--yellow); margin-right: 14px; }
.logo .reg { font-size: .8rem; vertical-align: super; color: var(--muted); }
.main-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.main-nav a {
  color: var(--ink); font-weight: 700; font-size: .95rem;
  padding: 8px 13px; border-radius: 999px;
}
.main-nav a:hover { background: var(--bg-soft); color: var(--red); }
.main-nav a.active { background: var(--blue); color: #fff; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 3px; border-radius: 2px; background: var(--blue); margin: 5px 0; }

/* hero */
.hero { position: relative; background: var(--blue); overflow: hidden; }
.hero-banner { position: absolute; inset: 0; }
.hero-banner img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(20, 46, 128, .92) 0%, rgba(20, 46, 128, .72) 45%, rgba(20, 46, 128, .25) 100%);
}
.hero-inner { position: relative; z-index: 2; padding: 84px 0; }
.hero-text { max-width: 560px; color: #fff; }
.eyebrow {
  display: inline-block; font-weight: 800; font-size: .8rem; text-transform: uppercase;
  letter-spacing: 2px; color: var(--ink); background: var(--yellow);
  padding: 4px 12px; border-radius: 999px; margin-bottom: 16px;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.08; margin-bottom: 16px; }
.hero-sub { font-size: 1.1rem; opacity: .92; margin-bottom: 26px; }
.btn {
  display: inline-block; background: var(--red); color: #fff;
  font-weight: 800; font-size: 1rem; padding: 13px 28px;
  border-radius: 999px; border: 0; cursor: pointer;
  box-shadow: 0 4px 0 var(--red-dark);
  transition: transform .12s, box-shadow .12s;
}
.btn:hover { transform: translateY(2px); box-shadow: 0 2px 0 var(--red-dark); }

/* categories */
.categories { padding: 52px 0 8px; }
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 2px solid var(--line); background: #fff;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--yellow); }
.cat-img { aspect-ratio: 1 / 1; background: #fff; padding: 14px; }
.cat-img img { width: 100%; height: 100%; object-fit: contain; }
.cat-overlay { padding: 12px 16px 16px; border-top: 3px solid var(--yellow); }
.cat-overlay h3 { color: var(--blue); font-size: 1.05rem; line-height: 1.25; }
.cat-overlay p { color: var(--muted); font-size: .85rem; font-weight: 700; }

/* catalog grid */
.catalog { padding: 44px 0; }
.section-head { text-align: center; margin-bottom: 30px; }
.section-head h2 { font-size: 2rem; color: var(--blue); }
.section-head h2::after {
  content: ''; display: block; width: 70px; height: 5px; border-radius: 3px;
  background: linear-gradient(90deg, var(--red) 33%, var(--yellow) 33%, var(--yellow) 66%, var(--green) 66%);
  margin: 8px auto 0;
}
.section-head p { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card {
  display: flex; flex-direction: column;
  background: #fff; border: 2px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform .15s, box-shadow .15s, border-color .15s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue); }
.card-link { color: inherit; flex: 1; display: flex; flex-direction: column; }
.card-img { aspect-ratio: 1 / 1; padding: 16px; background: #fff; }
.card-img img { width: 100%; height: 100%; object-fit: contain; }
.card-body { padding: 4px 16px 12px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-cat {
  align-self: flex-start; font-size: .7rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 1px; color: var(--blue); background: var(--bg-soft);
  padding: 3px 9px; border-radius: 999px;
}
.card-title { font-size: .98rem; line-height: 1.35; font-weight: 700; }
.card-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.price { font-weight: 800; font-size: 1.1rem; color: var(--red); }
.unavail { color: var(--muted); font-size: .9rem; font-weight: 700; }
.rating { display: inline-flex; align-items: center; gap: 5px; }
.stars { color: #cdd3e0; font-size: .95rem; letter-spacing: 1px; }
.star.on { color: var(--yellow); }
.rcount { color: var(--muted); font-size: .82rem; font-weight: 700; }
.btn-buy { margin: 0 16px 16px; text-align: center; padding: 11px 20px; font-size: .95rem; }
.card .btn-buy { margin-top: 4px; }

/* value / mission bands */
.value-band { background: var(--bg-soft); padding: 52px 0; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.value-item { text-align: center; }
.value-icon {
  width: 62px; height: 62px; margin: 0 auto 12px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: #fff; background: var(--blue);
  box-shadow: 0 4px 0 var(--blue-dark);
}
.value-item:nth-child(2) .value-icon { background: var(--red); box-shadow: 0 4px 0 var(--red-dark); }
.value-item:nth-child(3) .value-icon { background: var(--green); box-shadow: 0 4px 0 #2d7d26; }
.value-item h3 { color: var(--blue); margin-bottom: 6px; }
.value-item p { color: var(--muted); font-size: .95rem; }
.mission-band { background: var(--blue); color: #fff; text-align: center; padding: 56px 0; }
.mission-band h2 { font-size: 1.7rem; margin-bottom: 12px; }
.mission-band p { max-width: 780px; margin: 0 auto; opacity: .92; }

/* seo content */
.seo-content { padding: 52px 0; }
.seo-content h2 { color: var(--blue); font-size: 1.6rem; margin-bottom: 14px; }
.seo-content h3 { color: var(--ink); font-size: 1.2rem; margin: 26px 0 10px; }
.seo-content p { color: var(--muted); margin-bottom: 12px; }
.seo-content ul { margin: 0 0 12px 22px; color: var(--muted); }
.seo-content table, .info-page table {
  width: 100%; border-collapse: collapse; margin: 14px 0 20px; font-size: .95rem;
}
.seo-content th, .info-page th { background: var(--blue); color: #fff; text-align: left; padding: 10px 14px; }
.seo-content td, .info-page td { border-bottom: 1px solid var(--line); padding: 10px 14px; color: var(--muted); }

/* testimonials */
.testimonials { background: var(--bg-soft); padding: 52px 0; }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.testi-card { background: #fff; border-radius: var(--radius); border: 2px solid var(--line); padding: 22px; }
.testi-stars { color: var(--yellow); letter-spacing: 2px; margin-bottom: 8px; }
.testi-card p { color: var(--muted); font-size: .95rem; }
.testi-name { margin-top: 10px; font-weight: 800; color: var(--ink); }

/* page hero (category/info) */
.page-hero {
  background: linear-gradient(100deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff; padding: 46px 0; border-bottom: 4px solid var(--yellow);
}
.page-hero h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); margin: 6px 0; }
.page-hero-sub { opacity: .92; max-width: 720px; }

/* product page */
.breadcrumb { padding: 16px 20px; font-size: .88rem; color: var(--muted); }
.breadcrumb a { color: var(--blue); font-weight: 700; }
.product { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 20px 20px 44px; }
.product-media {
  border: 2px solid var(--line); border-radius: var(--radius);
  padding: 24px; background: #fff; align-self: start;
}
.product-media img { width: 100%; object-fit: contain; aspect-ratio: 1 / 1; }
.product-info h1 { font-size: 1.45rem; line-height: 1.3; margin: 8px 0 10px; }
.product-meta { margin-bottom: 10px; }
.product-price { font-size: 1.9rem; font-weight: 800; color: var(--red); margin: 8px 0 4px; }
.avail-note { color: var(--green); font-weight: 700; font-size: .95rem; margin-bottom: 14px; }
.product-info .btn-buy { margin: 8px 0 10px; padding: 14px 34px; font-size: 1.05rem; }
.affiliate-note { font-size: .78rem; color: var(--muted); margin-bottom: 16px; }
.bullets { margin: 14px 0 0 0; list-style: none; }
.bullets li {
  position: relative; padding: 6px 0 6px 28px; color: var(--muted); font-size: .95rem;
}
.bullets li::before {
  content: ''; position: absolute; left: 4px; top: 13px;
  width: 12px; height: 12px; border-radius: 50%;
  border: 3px solid var(--red); background: #fff;
}
.bullets li:nth-child(2n)::before { border-color: var(--blue); }
.bullets li:nth-child(3n)::before { border-color: var(--green); }
.specs { border-collapse: collapse; margin-top: 16px; font-size: .93rem; }
.specs th { text-align: left; padding: 7px 18px 7px 0; color: var(--ink); }
.specs td { padding: 7px 0; color: var(--muted); }

/* reviews */
.reviews { padding: 8px 20px 44px; }
.reviews-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.reviews-head h2 { color: var(--blue); }
.reviews-summary { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--muted); }
.reviews-avg { color: var(--ink); }
.review-list { list-style: none; display: grid; gap: 14px; }
.review { background: var(--bg-soft); border-radius: var(--radius); padding: 18px 20px; }
.review-top { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.review-author { font-weight: 800; }
.review-verified {
  font-size: .72rem; font-weight: 800; color: var(--green);
  border: 1px solid var(--green); border-radius: 999px; padding: 2px 9px;
}
.review-rating { display: flex; align-items: center; gap: 10px; margin-bottom: 2px; }
.review-title { font-weight: 700; }
.review-date { font-size: .82rem; color: var(--muted); margin-bottom: 6px; }
.review-body { color: var(--muted); font-size: .95rem; }

/* info pages */
.info-page { padding: 40px 0 56px; }
.info-page h2 { color: var(--blue); margin: 26px 0 10px; font-size: 1.35rem; }
.info-page h3 { margin: 18px 0 8px; font-size: 1.08rem; }
.info-page p, .info-page li { color: var(--muted); }
.info-page ul, .info-page ol { margin: 0 0 14px 22px; }

/* footer */
.site-footer { background: var(--ink); color: #cfd4e2; margin-top: 30px; border-top: 5px solid var(--yellow); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; padding: 46px 20px 24px; }
.foot-col h3 { color: #fff; font-size: 1rem; margin-bottom: 12px; }
.foot-col ul { list-style: none; }
.foot-col li { margin-bottom: 8px; }
.foot-col a { color: #cfd4e2; font-size: .92rem; }
.foot-col a:hover { color: var(--yellow); }
.logo-sm { font-size: 1.4rem; color: #fff; }
.tagline { color: var(--yellow); font-weight: 800; font-size: .9rem; margin: 4px 0 10px; }
.foot-text { font-size: .9rem; margin-bottom: 14px; }
.foot-contact p { font-size: .9rem; margin-bottom: 5px; }
.foot-pay {
  display: flex; gap: 16px; flex-wrap: wrap; padding: 14px 20px;
  border-top: 1px solid #333b52; font-size: .85rem; color: #9aa2b5;
}
.foot-bottom { padding: 14px 20px 26px; font-size: .8rem; color: #9aa2b5; }

/* responsive */
@media (max-width: 980px) {
  .grid, .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .value-grid, .testi-grid { grid-template-columns: 1fr; }
  .product { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .grid, .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; background: #fff; padding: 12px 20px 16px;
    border-bottom: 3px solid var(--yellow); box-shadow: 0 12px 20px rgba(29, 35, 51, .12);
  }
  body.nav-open .main-nav { display: flex; }
  .hero-inner { padding: 56px 0; }
}
@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}