:root {
    --ink: #111827;
    --muted: #566171;
    --line: #d6dde8;
    --panel: #ffffff;
    --soft: #f6f8fb;
    --blue: #0b3558;
    --blue-2: #165a96;
    --charcoal: #18212c;
    --silver: #e8edf3;
    --warm: #b8832f;
    --teal: #0f766e;
    --success: #0f766e;
    --danger: #b91c1c;
    --radius: 8px;
    --shadow: 0 22px 60px rgba(15, 23, 42, .13);
    --soft-shadow: 0 12px 28px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: linear-gradient(180deg, #ffffff 0, #f9fbfd 48%, #ffffff 100%);
    font-family: Manrope, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }

.announcement {
    display: flex;
    justify-content: center;
    gap: .55rem;
    flex-wrap: wrap;
    background: linear-gradient(90deg, var(--charcoal), #0b3558, #233142);
    color: #f8fafc;
    font-size: .78rem;
    font-weight: 800;
    text-align: center;
    padding: .5rem 1rem;
}
.announcement span {
    display: inline-flex;
    align-items: center;
    gap: .42rem;
    min-height: 28px;
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 999px;
    padding: .24rem .62rem;
    background: rgba(255, 255, 255, .07);
    white-space: nowrap;
}
.announcement span::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #f6d18a;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: auto minmax(240px, 1fr) auto;
    gap: 1.25rem;
    align-items: center;
    padding: .9rem clamp(1rem, 4vw, 4rem);
    background: rgba(255, 255, 255, .88);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 30px rgba(15, 23, 42, .05);
    backdrop-filter: blur(18px);
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    font-weight: 900;
    color: var(--blue);
    white-space: nowrap;
    letter-spacing: -.01em;
}
.brand-mark {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: var(--radius);
    background: white;
    padding: .08rem;
    box-shadow: 0 12px 24px rgba(11,53,88,.16);
}
.search { display: flex; min-width: 0; }
.search input {
    width: 100%;
    border: 1px solid var(--line);
    border-right: 0;
    border-radius: var(--radius) 0 0 var(--radius);
    padding: .78rem 1rem;
    background: rgba(255,255,255,.92);
}
.search button, .coupon-form button, .quantity-form button {
    border: 0;
    background: linear-gradient(135deg, var(--blue), var(--blue-2));
    color: white;
    padding: .78rem 1rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer;
    font-weight: 900;
}
.header-actions, .footer-links, .category-nav {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}
.header-actions a {
    display: inline-flex;
    align-items: center;
    gap: .28rem;
    font-weight: 850;
    font-size: .91rem;
    color: var(--charcoal);
    white-space: nowrap;
}
.nav-icon {
    width: 1rem;
    height: 1rem;
    stroke-width: 2.4;
}
.header-actions a:hover, .category-nav a:hover, .section-link:hover { color: var(--blue-2); }
.count { background: var(--warm); color: white; border-radius: 999px; padding: .05rem .42rem; font-size: .76rem; }
.category-nav {
    padding: .7rem clamp(1rem, 4vw, 4rem);
    border-bottom: 1px solid var(--line);
    background: linear-gradient(90deg, #ffffff, var(--soft));
    font-size: .9rem;
    gap: .55rem;
}
.category-nav a {
    border: 1px solid rgba(214, 221, 232, .92);
    border-radius: 999px;
    padding: .42rem .68rem;
    background: rgba(255,255,255,.88);
    color: var(--charcoal);
    font-weight: 850;
    white-space: nowrap;
    box-shadow: 0 8px 20px rgba(15, 23, 42, .04);
}
.confidence-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: .65rem;
    padding: .65rem clamp(1rem, 4vw, 4rem);
    background: linear-gradient(90deg, #f8fafc, #ffffff);
    border-bottom: 1px solid var(--line);
}
.confidence-strip span {
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    border: 1px solid rgba(214, 221, 232, .88);
    border-radius: var(--radius);
    padding: .55rem .7rem;
    background: rgba(255,255,255,.95);
    color: var(--muted);
    font-size: .78rem;
    font-weight: 850;
    text-align: center;
    box-shadow: 0 10px 24px rgba(15, 23, 42, .04);
}
.confidence-strip span::before {
    content: "";
    width: .46rem;
    height: .46rem;
    flex: 0 0 .46rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--teal), var(--warm));
}

.toast {
    margin: 1rem auto 0;
    max-width: 1120px;
    border: 1px solid #bfdbfe;
    background: #eff6ff;
    color: #1e3a8a;
    padding: .85rem 1rem;
    border-radius: var(--radius);
}
.toast.error { border-color: #fecaca; background: #fef2f2; color: #991b1b; }

.hero {
    min-height: 78vh;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 5rem);
    padding: clamp(2.5rem, 7vw, 6rem) clamp(1rem, 4vw, 4rem) clamp(1.5rem, 5vw, 4rem);
    background:
        linear-gradient(110deg, rgba(255,255,255,.98), rgba(246,248,251,.9) 45%, rgba(232,237,243,.72)),
        repeating-linear-gradient(135deg, #eef2f7 0 1px, #ffffff 1px 18px);
}
.hero h1, .section h2, .page-head h1, .split-band h2, .editorial-band h2, .newsletter-band h2 {
    font-family: "Playfair Display", Georgia, serif;
}
.hero h1 {
    margin: .2rem 0;
    font-size: clamp(3rem, 7vw, 6.8rem);
    line-height: .91;
    letter-spacing: 0;
    color: var(--blue);
    max-width: 760px;
}
.hero p { max-width: 620px; color: var(--muted); font-size: 1.1rem; }
.hero-actions, .button-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .8rem;
    max-width: 560px;
    margin-top: 1.4rem;
}
.hero-stats div {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255,255,255,.78);
    padding: .9rem;
    box-shadow: var(--soft-shadow);
}
.hero-stats strong { display: block; color: var(--blue); font-size: 1.35rem; line-height: 1; }
.hero-stats span { color: var(--muted); font-size: .82rem; font-weight: 800; }
.hero-visual {
    min-height: 520px;
    border-radius: var(--radius);
    background: linear-gradient(145deg, #ffffff, #e8edf3 48%, #2b3441);
    box-shadow: var(--shadow);
    overflow: hidden;
    padding: 0;
}
.steel-showcase { position: relative; min-height: 520px; }
.hero-carousel {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(145deg, #ffffff, #dbe4ee);
}
.steel-showcase img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-slide {
    opacity: 0;
    transition: opacity .8s ease;
}
.hero-slide.is-active {
    opacity: 1;
}
.steel-showcase::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(15,23,42,.24));
}
.showcase-stack, .showcase-card, .hero-dots { position: absolute; z-index: 2; }
.hero-dots {
    left: 50%;
    bottom: 1.8rem;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: .42rem;
    transform: translateX(-50%);
    border: 1px solid rgba(255, 255, 255, .42);
    border-radius: 999px;
    padding: .34rem .45rem;
    background: rgba(15, 23, 42, .34);
    box-shadow: 0 10px 24px rgba(15, 23, 42, .18);
    backdrop-filter: blur(12px);
}
.hero-dot {
    width: 8px;
    height: 8px;
    border: 0;
    border-radius: 999px;
    padding: 0;
    background: rgba(255, 255, 255, .68);
    cursor: pointer;
    transition: width .2s ease, background .2s ease, opacity .2s ease;
}
.hero-dot.is-active {
    width: 22px;
    background: #ffffff;
}
.hero-dot:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 3px;
}
.showcase-stack {
    left: 1.2rem;
    bottom: 1.2rem;
    display: grid;
    gap: .55rem;
}
.showcase-stack span, .editorial-points span {
    width: fit-content;
    background: rgba(255,255,255,.9);
    border: 1px solid rgba(255,255,255,.72);
    box-shadow: 0 10px 24px rgba(15,23,42,.12);
    padding: .62rem .85rem;
    border-radius: var(--radius);
    font-weight: 900;
    color: var(--charcoal);
}
.showcase-card {
    right: 1.2rem;
    top: 1.2rem;
    width: min(220px, 46%);
    border: 1px solid rgba(255,255,255,.78);
    border-radius: var(--radius);
    background: rgba(255,255,255,.9);
    box-shadow: 0 18px 40px rgba(15,23,42,.16);
    padding: 1rem;
}
.showcase-card small, .showcase-card span { color: var(--muted); display: block; }
.showcase-card strong { color: var(--warm); display: block; font-size: 1.6rem; line-height: 1.1; }
.brand-strip {
    display: flex;
    justify-content: center;
    gap: .7rem;
    flex-wrap: wrap;
    padding: 1rem clamp(1rem, 4vw, 4rem);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: #fff;
}
.brand-strip span {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: .52rem .8rem;
    background: var(--soft);
    color: var(--blue);
    font-weight: 850;
    font-size: .86rem;
}

.section, .page-head { padding: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 4vw, 4rem); }
.section.narrow, .narrow { max-width: 920px; margin: 0 auto; }
.muted { background: var(--soft); }
.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 1rem;
    margin-bottom: 1.35rem;
}
.section h2, .page-head h1, .split-band h2, .editorial-band h2, .newsletter-band h2 {
    margin: 0;
    color: var(--charcoal);
    letter-spacing: 0;
    line-height: 1.05;
}
.section h2 { font-size: clamp(1.8rem, 3.4vw, 3rem); }
.page-head {
    background:
        linear-gradient(135deg, #f8fafc, #ffffff),
        repeating-linear-gradient(135deg, #eef2f7 0 1px, #fff 1px 18px);
    border-bottom: 1px solid var(--line);
}
.page-head h1 { font-size: clamp(2.3rem, 5vw, 4.3rem); color: var(--blue); }
.page-head p { max-width: 760px; color: var(--muted); }
.quick-filter-row {
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
    margin-top: 1.1rem;
}
.quick-filter-row a {
    border: 1px solid var(--line);
    border-radius: 999px;
    background: white;
    padding: .52rem .82rem;
    color: var(--blue);
    font-size: .86rem;
    font-weight: 900;
}
.eyebrow {
    margin: 0 0 .45rem;
    color: var(--warm);
    text-transform: uppercase;
    font-size: .76rem;
    letter-spacing: .1em;
    font-weight: 900;
}
.section-link { color: var(--blue); font-weight: 900; }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border: 1px solid var(--blue);
    border-radius: var(--radius);
    padding: .72rem 1.05rem;
    background: linear-gradient(135deg, var(--blue), var(--blue-2));
    color: white;
    font-weight: 900;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(11,53,88,.16);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.button:hover { transform: translateY(-1px); box-shadow: 0 16px 32px rgba(11,53,88,.22); }
.button:disabled, .button[disabled] {
    cursor: not-allowed;
    opacity: .55;
    transform: none;
    box-shadow: none;
}
.button.secondary { background: var(--warm); border-color: var(--warm); }
.button.ghost { background: white; color: var(--blue); border-color: var(--line); box-shadow: none; }
.button.compact { width: 100%; min-height: 38px; padding: .55rem .8rem; font-size: .9rem; }
.button.icon-button { width: 40px; min-width: 40px; height: 38px; min-height: 38px; padding: 0; font-size: 1.15rem; }
.button.full { width: 100%; }
.text-button { border: 0; background: transparent; color: var(--danger); font-weight: 900; cursor: pointer; }

.category-grid, .feature-grid, .product-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.1rem;
}
.category-tile, .feature-grid > div, blockquote, details, .summary, .checkout-form section, .auth-panel, .empty-state {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    box-shadow: var(--soft-shadow);
}
.category-tile {
    min-height: 236px;
    padding: .75rem;
    display: grid;
    grid-template-rows: auto auto;
    gap: .8rem;
    background: linear-gradient(145deg, #ffffff, #f6f8fb);
    position: relative;
    overflow: hidden;
    transition: transform .18s ease, box-shadow .18s ease;
}
.category-tile:hover, .product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.category-photo {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    border: 1px solid rgba(214, 221, 232, .92);
    border-radius: calc(var(--radius) - 2px);
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc, #dbe4ee);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.5);
    isolation: isolate;
}
.category-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.02);
    transition: transform .22s ease;
}
.category-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(115deg, rgba(255,255,255,.72) 0 8%, rgba(255,255,255,0) 30% 68%, rgba(11,53,88,.18) 100%),
        linear-gradient(180deg, rgba(255,255,255,0), rgba(15,23,42,.16));
    mix-blend-mode: screen;
    pointer-events: none;
}
.category-tile:hover .category-photo img { transform: scale(1.06); }
.category-copy { display: grid; gap: .08rem; padding: 0 .15rem .15rem; }
.category-name { font-size: 1.15rem; font-weight: 900; color: var(--blue); line-height: 1.18; }
.category-tile small { color: var(--muted); }

.product-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: white;
    display: flex;
    flex-direction: column;
    min-width: 0;
    transition: transform .18s ease, box-shadow .18s ease;
}
.product-image {
    position: relative;
    aspect-ratio: 1 / 1;
    background: var(--soft);
    display: grid;
    place-items: center;
    overflow: hidden;
}
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-image.has-fallback {
    background: linear-gradient(145deg, #ffffff, #dbe4ee);
}
.product-image.has-fallback img {
    transform: scale(1.01);
    transition: transform .22s ease;
}
.product-image.has-fallback::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(125deg, rgba(255,255,255,.58) 0 10%, rgba(255,255,255,0) 34% 70%, rgba(11,53,88,.18) 100%),
        linear-gradient(180deg, rgba(255,255,255,0), rgba(15,23,42,.12));
    mix-blend-mode: screen;
    pointer-events: none;
}
.product-card:hover .product-image.has-fallback img { transform: scale(1.05); }
.steel-placeholder {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    text-align: center;
    color: var(--blue);
    font-weight: 900;
    background:
        linear-gradient(145deg, #ffffff, #dbe4ee 52%, #94a3b8),
        repeating-linear-gradient(135deg, rgba(255,255,255,.18) 0 1px, rgba(255,255,255,0) 1px 14px);
}
.steel-placeholder.large { min-height: 440px; font-size: 1.4rem; }
.badge {
    position: absolute;
    top: .75rem;
    left: .75rem;
    background: var(--warm);
    color: white;
    border-radius: 999px;
    padding: .25rem .55rem;
    font-size: .78rem;
    font-weight: 900;
    z-index: 2;
}
.card-flags {
    position: absolute;
    right: .65rem;
    bottom: .65rem;
    z-index: 2;
    display: flex;
    gap: .35rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.card-flags span {
    border-radius: 999px;
    background: rgba(24, 33, 44, .84);
    color: white;
    padding: .24rem .5rem;
    font-size: .72rem;
    font-weight: 900;
}
.product-card-body { padding: .9rem; display: grid; gap: .45rem; flex: 1; }
.product-card h3 { margin: 0; font-size: 1.02rem; line-height: 1.25; min-height: 2.5rem; letter-spacing: -.01em; }
.sku { margin: 0; color: var(--muted); font-size: .83rem; }
.mini-specs { display: flex; gap: .35rem; flex-wrap: wrap; min-height: 26px; }
.mini-specs span {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: .22rem .48rem;
    color: var(--muted);
    background: var(--soft);
    font-size: .73rem;
    font-weight: 800;
}
.price-row { display: flex; align-items: center; gap: .55rem; flex-wrap: wrap; }
.price-row span { color: var(--muted); text-decoration: line-through; }
.price-row em { color: var(--success); font-style: normal; font-weight: 900; }
.large-price strong { font-size: 1.75rem; }
.card-actions { display: grid; grid-template-columns: 1fr auto; gap: .5rem; align-items: center; }
.card-actions form { margin: 0; }

.split-band, .editorial-band, .newsletter-band, .trust-row {
    margin: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 4rem);
    border-radius: var(--radius);
    padding: clamp(1.3rem, 4vw, 2.2rem);
    color: white;
    background: linear-gradient(135deg, var(--blue), var(--charcoal));
}
.split-band, .editorial-band, .newsletter-band {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}
.split-band p, .editorial-band p, .newsletter-band p { color: #dbeafe; }
.editorial-band, .newsletter-band { background: linear-gradient(135deg, var(--charcoal), var(--blue) 58%, #334155); }
.editorial-band h2, .newsletter-band h2 { color: #f8fafc; }
.editorial-points { display: grid; gap: .55rem; min-width: 220px; }
.editorial-points span { background: rgba(255,255,255,.12); color: white; border-color: rgba(255,255,255,.2); box-shadow: none; }
.trust-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.trust-row div { display: grid; gap: .25rem; border-left: 1px solid rgba(255,255,255,.22); padding-left: 1rem; }
.trust-row small { color: #f6d18a; font-weight: 900; }
.trust-row span { color: #dbeafe; font-size: .9rem; }
.feature-grid > div { padding: 1.2rem; transition: transform .18s ease, box-shadow .18s ease; }
.feature-grid > div:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.feature-grid h3 { margin-top: 0; color: var(--blue); }
.feature-icon {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--blue);
    color: white;
    font-weight: 900;
    margin-bottom: .9rem;
}
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.stack { display: grid; gap: 1rem; }
blockquote, details { padding: 1rem; margin: 0; }
blockquote p { margin-top: 0; }
cite { color: var(--muted); font-style: normal; font-weight: 800; }
summary { cursor: pointer; font-weight: 900; }

.shop-layout, .cart-layout, .checkout-layout, .product-detail, .product-info-grid {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 1.4rem;
    padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 4vw, 4rem);
}
.filters {
    position: sticky;
    top: 170px;
    align-self: start;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem;
    background: white;
    box-shadow: var(--soft-shadow);
}
.filters form, .panel-form, .purchase-form { display: grid; gap: .8rem; }
.filters input, .filters select, .panel-form input, .panel-form textarea, .checkout-form input, .checkout-form textarea, .checkout-form select, .purchase-form input, .purchase-form select, .coupon-form input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: .78rem .85rem;
    background: white;
}
.price-filter, .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.shop-meta { display: flex; justify-content: flex-end; margin-bottom: 1rem; color: var(--muted); font-weight: 800; }
.pagination { margin-top: 1.5rem; }
.store-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: white;
    padding: .72rem;
    box-shadow: var(--soft-shadow);
}
.pagination-summary {
    margin: 0;
    color: var(--muted);
    font-size: .84rem;
    font-weight: 850;
}
.pagination-controls {
    display: flex;
    align-items: center;
    gap: .42rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.page-control, .page-number {
    min-width: 38px;
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--soft);
    color: var(--blue);
    padding: .48rem .68rem;
    font-size: .84rem;
    font-weight: 900;
}
.page-control {
    min-width: 88px;
    background: white;
}
.page-control:hover, .page-number:hover {
    border-color: rgba(22, 90, 150, .45);
    color: var(--blue-2);
}
.page-number.is-active {
    border-color: var(--blue);
    background: linear-gradient(135deg, var(--blue), var(--blue-2));
    color: white;
}
.page-control.is-disabled, .page-number.is-disabled {
    cursor: not-allowed;
    opacity: .55;
    color: var(--muted);
    background: #f8fafc;
}

.product-detail { grid-template-columns: minmax(320px, .9fr) minmax(0, 1.1fr); align-items: start; }
.product-main-image {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--soft);
    box-shadow: var(--soft-shadow);
}
.product-main-image img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.thumb-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: .5rem; margin-top: .75rem; }
.thumb-row img { border: 1px solid var(--line); border-radius: var(--radius); aspect-ratio: 1 / 1; object-fit: cover; }
.product-summary { display: grid; gap: 1rem; }
.product-summary h1 {
    margin: 0;
    font-family: "Playfair Display", Georgia, serif;
    font-size: clamp(2.25rem, 4.4vw, 4rem);
    line-height: .98;
    color: var(--blue);
}
.stock { margin: 0; font-weight: 900; }
.stock.in { color: var(--success); }
.stock.out { color: var(--danger); }
.utility-actions form { margin: 0; }
.product-info-grid { grid-template-columns: .85fr 1.15fr; }
.spec-list { display: grid; gap: .55rem; }
.spec-list div { display: grid; grid-template-columns: 170px minmax(0, 1fr); border-bottom: 1px solid var(--line); padding-bottom: .5rem; }
.spec-list dt { color: var(--muted); font-weight: 800; }
.spec-list dd { margin: 0; }
.rich-text { color: var(--charcoal); }

.cart-layout, .checkout-layout { grid-template-columns: minmax(0, 1fr) 360px; align-items: start; }
.cart-lines, .order-list { display: grid; gap: .8rem; }
.cart-line, .order-row, .summary-line {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 1rem;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem;
    background: white;
}
.cart-line h3 { margin: 0; }
.quantity-form { display: flex; }
.quantity-form input { width: 76px; border: 1px solid var(--line); border-radius: var(--radius) 0 0 var(--radius); padding: .62rem; }
.summary { padding: 1rem; position: sticky; top: 170px; }
.summary dl { margin: 1rem 0; display: grid; gap: .6rem; }
.summary dl div { display: flex; justify-content: space-between; gap: 1rem; }
.summary .total { border-top: 1px solid var(--line); padding-top: .75rem; font-size: 1.12rem; font-weight: 900; }
.summary-line small { display: block; margin-top: .18rem; color: var(--muted); font-size: .78rem; font-weight: 800; }
.coupon-form { display: flex; }

.checkout-form { display: grid; gap: 1rem; }
.checkout-form section { padding: 1rem; }
.checkout-form h2, .summary h2 { margin-top: 0; }
.payment-options { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: .8rem; }
.payment-options label, .inline-check { display: inline-flex; gap: .45rem; align-items: center; font-weight: 800; }
.auth-panel { max-width: 440px; margin: clamp(2rem, 8vw, 5rem) auto; padding: 1.2rem; }
.auth-panel h1 { margin-top: 0; color: var(--blue); }
.auth-mark { width: 64px; height: 64px; object-fit: contain; margin-bottom: .7rem; }
.auth-links { display: flex; justify-content: space-between; gap: .8rem; flex-wrap: wrap; margin-bottom: 0; }
.auth-links a, .auth-panel > p a { color: var(--blue); font-weight: 900; }
.auth-divider {
    display: flex;
    align-items: center;
    gap: .7rem;
    color: var(--muted);
    font-size: .78rem;
    font-weight: 900;
    text-transform: uppercase;
}
.auth-divider::before, .auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--line);
}
.google-button {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: white;
    color: var(--charcoal);
    padding: .72rem 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    font-weight: 900;
}
.password-note { margin: 0; color: var(--muted); font-size: .82rem; }
.empty-state { padding: 2rem; text-align: center; }
.success-head { background: #ecfdf5; }

.reviews-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, .42fr);
    gap: 1rem;
    align-items: start;
}
.review-average {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: .4rem .7rem;
    background: white;
    color: var(--blue);
    font-weight: 900;
}
.review-card, .review-form-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: white;
    box-shadow: var(--soft-shadow);
    padding: 1rem;
}
.review-card p { margin: .55rem 0; color: var(--muted); }
.review-head {
    display: flex;
    justify-content: space-between;
    gap: .8rem;
    align-items: center;
}
.review-head span {
    border-radius: 999px;
    background: #fef3c7;
    color: #92400e;
    padding: .22rem .5rem;
    font-weight: 900;
    white-space: nowrap;
}
.review-card small {
    display: flex;
    gap: .45rem;
    flex-wrap: wrap;
    color: var(--charcoal);
    font-weight: 900;
}
.review-card small span {
    color: var(--success);
}
.review-form-card h3 { margin-top: 0; color: var(--blue); }

.account-command-grid,
.tracking-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, .7fr);
    gap: 1rem;
    align-items: start;
}

.account-stat-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: .8rem;
}

.account-stat-grid article,
.account-ops-panel,
.tracking-card,
.tracking-form {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: white;
    box-shadow: var(--soft-shadow);
}

.account-stat-grid article,
.account-ops-panel,
.tracking-card,
.tracking-form {
    padding: 1rem;
}

.account-stat-grid span,
.tracking-card-head small,
.tracking-facts dt {
    display: block;
    color: var(--muted);
    font-size: .74rem;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.account-stat-grid strong {
    display: block;
    margin-top: .35rem;
    color: var(--blue);
    font-size: clamp(1.2rem, 2vw, 1.75rem);
    line-height: 1;
}

.ops-link-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .6rem;
    margin-top: .8rem;
}

.ops-link-grid a {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: .7rem;
    background: var(--soft);
    color: var(--blue);
    font-weight: 900;
}

.account-sections {
    display: grid;
    gap: 1.5rem;
}

.account-order-row {
    grid-template-columns: minmax(0, 1fr) auto auto auto;
}

.account-order-row small {
    display: block;
    color: var(--muted);
}

.wishlist-mini-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.tracking-layout {
    grid-template-columns: 360px minmax(0, 1fr);
}

.tracking-card-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: start;
    margin-bottom: 1rem;
}

.tracking-card-head strong {
    display: block;
    color: var(--blue);
    font-size: 1.35rem;
}

.tracking-card-head b {
    border-radius: 999px;
    padding: .4rem .65rem;
    background: #ecfdf5;
    color: var(--teal);
    font-size: .78rem;
}

.status-rail {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: .45rem;
    margin: 1rem 0;
}

.status-rail span {
    border-radius: var(--radius);
    padding: .55rem .4rem;
    background: #e2e8f0;
    color: var(--muted);
    font-size: .72rem;
    font-weight: 900;
    text-align: center;
}

.status-rail span.done {
    background: linear-gradient(135deg, var(--teal), var(--warm));
    color: white;
}

.tracking-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .7rem;
    margin: 0 0 1rem;
}

.tracking-facts div {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: .75rem;
    background: var(--soft);
}

.tracking-facts dd {
    margin: .25rem 0 0;
    font-weight: 900;
}

.tracking-note {
    border-left: 4px solid var(--teal);
    margin-bottom: 1rem;
    padding: .75rem;
    background: #ecfdf5;
    color: var(--charcoal);
    font-weight: 800;
}

.compact-list {
    gap: .55rem;
}

.compare-table {
    min-width: 760px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: white;
    box-shadow: var(--soft-shadow);
}
.compare-row { display: grid; grid-template-columns: 180px repeat(4, minmax(150px, 1fr)); }
.compare-row > div {
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
    padding: .9rem;
}
.compare-row > div:first-child {
    background: var(--soft);
    color: var(--blue);
    font-weight: 900;
}
.compare-head > div { background: var(--charcoal); color: white; }
.compare-head > div:first-child { background: var(--blue); color: white; }
.compare-head .text-button { color: #f6d18a; padding: .3rem 0 0; }

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    padding: 2rem clamp(1rem, 4vw, 4rem) 5rem;
    background: var(--charcoal);
    color: white;
}
.site-footer p { color: #cbd5e1; max-width: 560px; }
.footer-logo { width: 280px; max-width: 80vw; display: block; margin-bottom: .8rem; border-radius: var(--radius); background: white; padding: .45rem; }
.footer-links a { color: #e5e7eb; }
.pwa-install-button {
    position: fixed;
    left: 1rem;
    bottom: 1rem;
    z-index: 46;
    display: grid;
    grid-template-columns: 24px auto;
    gap: .08rem .48rem;
    align-items: center;
    border: 1px solid rgba(246, 209, 138, .42);
    border-radius: 999px;
    padding: .34rem .62rem .34rem .4rem;
    background:
        linear-gradient(135deg, rgba(15, 23, 42, .96), rgba(11, 53, 88, .96)),
        var(--charcoal);
    color: #ffffff;
    box-shadow: 0 16px 40px rgba(11, 53, 88, .36);
    cursor: pointer;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity .22s ease, transform .22s ease, box-shadow .22s ease;
}
.pwa-install-button[hidden] {
    display: none;
}
.pwa-install-button.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.pwa-install-button:hover {
    box-shadow: 0 20px 50px rgba(11, 53, 88, .42);
}
.pwa-install-button img {
    grid-row: span 2;
    width: 24px;
    height: 24px;
    object-fit: contain;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 8px 18px rgba(0, 0, 0, .26);
}
.pwa-install-button span {
    display: block;
    font-size: .72rem;
    line-height: 1;
    font-weight: 950;
    white-space: nowrap;
}
.pwa-install-button small {
    display: block;
    color: rgba(255, 255, 255, .68);
    font-size: .56rem;
    line-height: 1.1;
    font-weight: 850;
    white-space: nowrap;
}
.pwa-install-button.is-help {
    border-color: rgba(246, 209, 138, .7);
    background: linear-gradient(135deg, #0f172a, #7c560d);
}
.support-chat {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 45;
}
.support-chat-panel {
    position: absolute;
    right: 0;
    bottom: 4.15rem;
    width: min(380px, calc(100vw - 2rem));
    max-height: min(680px, calc(100vh - 7rem));
    overflow: auto;
    border: 1px solid rgba(214, 221, 232, .95);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, .98);
    box-shadow: 0 28px 80px rgba(15, 23, 42, .22);
    transform: translateY(10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
}
.support-chat.is-open .support-chat-panel {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}
.support-chat-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .8rem;
    padding: .85rem .9rem;
    background: linear-gradient(135deg, var(--blue), var(--teal));
    color: #ffffff;
}
.support-chat-head strong,
.support-chat-head small {
    display: block;
}
.support-chat-head strong {
    font-size: .95rem;
    line-height: 1.1;
    font-weight: 950;
}
.support-chat-head small {
    margin-top: .18rem;
    color: rgba(255,255,255,.76);
    font-size: .68rem;
    font-weight: 850;
}
.support-chat-close {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(255,255,255,.2);
    border-radius: var(--radius);
    background: rgba(255,255,255,.12);
    color: #ffffff;
    cursor: pointer;
}
.support-chat-close svg {
    width: 18px;
    height: 18px;
}
.support-chat-topics {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    overflow: visible;
    padding: .75rem .85rem .3rem;
}
.support-chat-topics button {
    flex: 0 1 auto;
    min-height: 34px;
    border: 1px solid rgba(214, 221, 232, .98);
    border-radius: 999px;
    background: #f8fafc;
    color: var(--charcoal);
    padding: .42rem .62rem;
    font-size: .72rem;
    font-weight: 900;
    cursor: pointer;
}
.support-chat-topics button.is-active {
    border-color: rgba(15,118,110,.22);
    background: #ecfdf5;
    color: var(--teal);
}
.support-chat-answer {
    padding: .75rem .9rem .45rem;
}
.support-chat-kicker {
    display: block;
    color: var(--warm);
    font-size: .62rem;
    font-weight: 950;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.support-chat-answer h2 {
    margin: .25rem 0;
    color: var(--blue);
    font-size: 1.02rem;
    line-height: 1.18;
    font-weight: 950;
}
.support-chat-answer p {
    margin: 0;
    color: var(--muted);
    font-size: .82rem;
    line-height: 1.45;
    font-weight: 750;
}
.support-chat-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .5rem;
    padding: .35rem .9rem .75rem;
}
.support-chat-action,
.support-chat-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .38rem;
    min-height: 40px;
    border-radius: var(--radius);
    font-size: .78rem;
    font-weight: 950;
    text-align: center;
}
.support-chat-action {
    border: 1px solid rgba(214, 221, 232, .98);
    background: #ffffff;
    color: var(--blue);
}
.support-chat-action.secondary {
    color: var(--charcoal);
}
.support-chat-action svg,
.support-chat-whatsapp svg,
.support-chat-launcher svg {
    width: 17px;
    height: 17px;
    flex: 0 0 auto;
}
.support-chat-note {
    display: grid;
    gap: .32rem;
    padding: 0 .9rem .75rem;
}
.support-chat-note span {
    color: var(--muted);
    font-size: .68rem;
    font-weight: 900;
}
.support-chat-note textarea {
    width: 100%;
    resize: none;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: .62rem;
    color: var(--ink);
    background: #f8fafc;
    font-size: .8rem;
}
.support-chat-whatsapp {
    width: calc(100% - 1.8rem);
    justify-content: space-between;
    margin: 0 .9rem .9rem;
    padding: .66rem .72rem;
    border: 1px solid rgba(255,255,255,.32);
    background: linear-gradient(135deg, var(--teal), #0b6b61);
    color: #ffffff;
    text-align: left;
    box-shadow: 0 16px 34px rgba(15,118,110,.28);
    transition: transform .18s ease, box-shadow .18s ease;
}
.support-chat-whatsapp:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 44px rgba(15,118,110,.34);
}
.support-chat-whatsapp-copy {
    display: grid;
    gap: .05rem;
    min-width: 0;
    flex: 1;
}
.support-chat-whatsapp-copy strong {
    color: #ffffff;
    font-size: .82rem;
    line-height: 1.1;
}
.support-chat-whatsapp-copy small {
    color: rgba(255,255,255,.72);
    font-size: .64rem;
    line-height: 1.15;
    font-weight: 850;
}
.support-chat-whatsapp .support-chat-whatsapp-arrow {
    width: 16px;
    height: 16px;
    opacity: .88;
}
.support-chat-launcher {
    display: inline-flex;
    align-items: center;
    gap: .42rem;
    min-height: 48px;
    border: 0;
    border-radius: 999px;
    background: var(--teal);
    color: white;
    padding: .78rem .95rem;
    font-size: .88rem;
    font-weight: 900;
    box-shadow: 0 14px 32px rgba(15,118,110,.28);
    cursor: pointer;
}
.mobile-bottom-nav { display: none; }

@media (max-width: 980px) {
    .site-header {
        grid-template-columns: 1fr;
        gap: .75rem;
        padding: .85rem 1rem;
    }
    .brand {
        min-height: 40px;
    }
    .brand-mark {
        width: 36px;
        height: 36px;
        border-radius: 10px;
    }
    .search input {
        min-height: 46px;
        padding: .68rem .9rem;
    }
    .search button {
        min-height: 46px;
        padding: .68rem .92rem;
    }
    .header-actions {
        flex-wrap: nowrap;
        justify-content: flex-start;
        gap: .48rem;
        overflow-x: auto;
        padding-bottom: .1rem;
        scrollbar-width: none;
    }
    .header-actions::-webkit-scrollbar {
        display: none;
    }
    .header-actions a {
        border: 1px solid rgba(214, 221, 232, .92);
        border-radius: 999px;
        padding: .44rem .62rem;
        background: #ffffff;
        box-shadow: 0 8px 18px rgba(15, 23, 42, .04);
    }
    .hero, .product-detail, .product-info-grid, .shop-layout, .cart-layout, .checkout-layout, .two-column, .account-command-grid, .tracking-layout, .reviews-layout { grid-template-columns: 1fr; }
    .hero { min-height: auto; }
    .hero-visual, .steel-showcase { min-height: 360px; }
    .filters, .summary { position: static; }
    .product-grid, .category-grid, .feature-grid, .trust-row, .account-stat-grid, .wishlist-mini-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .compare-table { overflow-x: auto; }
}

@media (max-width: 640px) {
    body { padding-bottom: 64px; }
    .announcement {
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: .48rem .8rem;
        scroll-snap-type: x proximity;
        scrollbar-width: none;
    }
    .announcement::-webkit-scrollbar {
        display: none;
    }
    .announcement span {
        scroll-snap-align: start;
        font-size: .72rem;
        min-height: 26px;
        padding: .2rem .55rem;
    }
    .announcement span::after { display: none !important; }
    .site-header { position: static; }
    .brand { white-space: normal; }
    .category-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: .58rem .8rem;
        scroll-snap-type: x proximity;
        scrollbar-width: none;
    }
    .category-nav::-webkit-scrollbar {
        display: none;
    }
    .category-nav a {
        scroll-snap-align: start;
        padding: .4rem .62rem;
        font-size: .78rem;
        line-height: 1.1;
    }
    .confidence-strip {
        display: flex;
        overflow-x: auto;
        gap: .5rem;
        padding: .56rem .8rem;
        scroll-snap-type: x proximity;
        scrollbar-width: none;
    }
    .confidence-strip::-webkit-scrollbar {
        display: none;
    }
    .confidence-strip span {
        flex: 0 0 auto;
        min-height: 34px;
        max-width: 260px;
        scroll-snap-align: start;
        padding: .42rem .6rem;
        font-size: .72rem;
        line-height: 1.2;
        text-align: left;
    }
    .category-grid, .feature-grid, .trust-row, .price-filter, .form-grid, .hero-stats, .account-stat-grid, .wishlist-mini-grid, .tracking-facts, .ops-link-grid, .status-rail { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
    .product-card-body { padding: .68rem; gap: .36rem; }
    .product-card h3 { font-size: .84rem; min-height: 2.35rem; }
    .product-card .eyebrow, .sku, .mini-specs span { font-size: .68rem; }
    .mini-specs { min-height: auto; }
    .price-row { gap: .32rem; font-size: .8rem; }
    .button.compact { min-height: 34px; padding: .48rem .52rem; font-size: .78rem; }
    .button.icon-button { width: 34px; min-width: 34px; height: 34px; min-height: 34px; }
    .store-pagination {
        display: grid;
        gap: .65rem;
    }
    .pagination-controls {
        justify-content: center;
    }
    .pagination-summary {
        text-align: center;
    }
    .page-control {
        min-width: 78px;
    }
    .section-heading, .split-band, .editorial-band, .newsletter-band, .site-footer { display: grid; }
    .cart-line, .order-row, .summary-line, .account-order-row { grid-template-columns: 1fr; }
    .hero h1 { font-size: 3rem; }
    .product-summary h1 { font-size: 2.35rem; }
    .steel-placeholder.large { min-height: 300px; }
    .showcase-card { width: 180px; right: .75rem; top: .75rem; }
    .showcase-stack { left: .75rem; bottom: .75rem; }
    .hero-dots {
        left: auto;
        right: .75rem;
        bottom: .8rem;
        transform: none;
    }
    .support-chat {
        right: .75rem;
        bottom: 4.75rem;
    }
    .support-chat-panel {
        bottom: 3.75rem;
        width: min(360px, calc(100vw - 1.5rem));
        max-height: calc(100vh - 9rem);
    }
    .support-chat-launcher {
        min-height: 44px;
        padding: .68rem .82rem;
    }
    .support-chat-actions {
        grid-template-columns: 1fr;
    }
    .pwa-install-button {
        bottom: 4.75rem;
        left: .75rem;
        grid-template-columns: 22px auto;
        padding: .3rem .52rem .3rem .34rem;
        box-shadow: 0 16px 34px rgba(15, 23, 42, .34);
    }
    .pwa-install-button img {
        width: 22px;
        height: 22px;
    }
    .pwa-install-button span {
        font-size: .67rem;
    }
    .pwa-install-button small {
        display: none;
    }
    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 40;
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        border-top: 1px solid var(--line);
        background: rgba(255,255,255,.98);
        box-shadow: 0 -14px 34px rgba(15,23,42,.12);
        backdrop-filter: blur(16px);
    }
    .mobile-bottom-nav a {
        position: relative;
        display: grid;
        grid-template-rows: 22px auto;
        gap: .2rem;
        place-items: center;
        min-height: 58px;
        text-align: center;
        padding: .48rem .12rem .42rem;
        font-size: .64rem;
        line-height: 1;
        font-weight: 900;
        color: #536174;
        transition: color .18s ease, background .18s ease;
    }
    .mobile-bottom-nav a svg {
        width: 1.25rem;
        height: 1.25rem;
        stroke-width: 2;
    }
    .mobile-count {
        position: absolute;
        top: .25rem;
        right: calc(50% - 1.18rem);
        min-width: 1.05rem;
        height: 1.05rem;
        display: grid;
        place-items: center;
        border-radius: 999px;
        background: var(--warm);
        color: white;
        font-size: .62rem;
        line-height: 1;
        font-weight: 900;
        box-shadow: 0 6px 14px rgba(15, 23, 42, .18);
    }
    .mobile-bottom-nav a span {
        display: block;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .mobile-bottom-nav a.is-active {
        color: var(--blue);
        background: linear-gradient(180deg, rgba(15,118,110,.08), rgba(184,131,47,.08));
    }
    .mobile-bottom-nav a.is-active::after {
        content: "";
        position: absolute;
        top: .28rem;
        width: 1.45rem;
        height: 2px;
        border-radius: 999px;
        background: linear-gradient(90deg, var(--teal), var(--warm));
    }
}