* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #202020;
    background: #fff;
    line-height: 1.6;
}
a { color: #b5121b; text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1120px, 92%); margin: 0 auto; }

.banner-img {
    width: max-content;
}
.site-header {
    background: #fff;
    border-bottom: 1px solid #ddd;
    position: sticky;
    top: 0;
    z-index: 10;
}
.header-inner {
    min-height: 110px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}
.logo-link img { display: block; width: min(430px, 75vw); height: auto; }
.main-nav { display: flex; flex-wrap: wrap; gap: 24px; }
.main-nav a { color: #222; font-weight: 700; }
.main-nav a:hover { color: #b5121b; text-decoration: none; }

.hero {
    background: linear-gradient(135deg, #111 0%, #252525 60%, #4a0d12 100%);
    color: #fff;
    padding: 80px 0;
}
.hero-content { max-width: 700px; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.05; margin: 0 0 20px; }
.hero p { font-size: 1.2rem; margin: 0 0 30px; color: #eee; }
.btn {
    display: inline-block;
    background: #d71920;
    color: #fff;
    padding: 13px 23px;
    border-radius: 5px;
    font-weight: 700;
    border: 0;
}
.btn:hover { background: #b5121b; color: #fff; text-decoration: none; }
.btn.secondary { background: #fff; color: #222; margin-left: 10px; }

.section { padding: 65px 0; }
.section.alt { background: #f5f5f5; }
.section h2 { font-size: 2rem; margin-top: 0; }
.intro { max-width: 760px; }

.cards, .products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}
.card, .product-card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 3px 12px rgba(0,0,0,.05);
}
.card h3, .product-card h3 { margin-top: 0; }
.product-card .category {
    color: #777;
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.product-card .price { font-size: 1.2rem; font-weight: 700; margin: 12px 0; }
.notice {
    background: #fff6f6;
    border-left: 4px solid #d71920;
    padding: 16px 20px;
    margin: 25px 0;
}
.page-header { background: #f5f5f5; padding: 45px 0; }
.page-header h1 { margin: 0; font-size: 2.5rem; }
.content { max-width: 850px; padding: 55px 0; }
.content h2 { margin-top: 35px; }
.content ul { padding-left: 25px; }

.site-footer {
    background: #171717;
    color: #ddd;
    padding: 45px 0 15px;
}
.site-footer a { display: block; color: #eee; margin: 5px 0; }
.site-footer h3 { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 50px; }
.footer-bottom { border-top: 1px solid #444; margin-top: 30px; padding-top: 12px; font-size: .9rem; }

@media (max-width: 800px) {
    .header-inner { flex-direction: column; padding: 15px 0; }
    .main-nav { justify-content: center; gap: 15px; }
    .cards, .products-grid { grid-template-columns: 1fr; }
    .hero { padding: 55px 0; }
    .btn.secondary { margin: 10px 0 0; }
    .footer-grid { grid-template-columns: 1fr; }
}