:root {
    --csf-ink: #182028;
    --csf-muted: #5b6670;
    --csf-line: #d8dee3;
    --csf-surface: #f4f6f7;
    --csf-white: #ffffff;
    --csf-accent: #c63f32;
    --csf-accent-dark: #9f2d23;
    --csf-teal: #14776f;
    --csf-focus: #f3b33d;
}

.csf-page,
.csf-finder {
    color: var(--csf-ink);
    font-family: inherit;
    letter-spacing: 0;
}

.csf-page {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 72px;
}

.csf-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 30px;
    color: var(--csf-muted);
    font-size: 14px;
}

.csf-breadcrumb a,
.csf-card-link,
.csf-product-card h2 a,
.csf-result-card h4 a {
    color: inherit;
    text-decoration: none;
}

.csf-product-hero,
.csf-archive-head {
    padding: 32px 0 44px;
}

.csf-product-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr);
    gap: 54px;
    align-items: center;
}

.csf-product-hero h1,
.csf-archive-head h1 {
    max-width: 850px;
    margin: 6px 0 16px;
    font-size: 56px;
    line-height: 1.04;
    letter-spacing: 0;
}

.csf-archive-head p:last-child,
.csf-lead {
    max-width: 760px;
    color: var(--csf-muted);
    font-size: 19px;
    line-height: 1.65;
}

.csf-eyebrow,
.csf-card-category {
    margin: 0;
    color: var(--csf-accent);
    font-size: 12px;
    font-weight: 750;
    letter-spacing: 0;
    text-transform: uppercase;
}

.csf-range-panel {
    margin: 0;
    border-top: 3px solid var(--csf-teal);
    background: var(--csf-surface);
}

.csf-range-panel div {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--csf-line);
}

.csf-range-panel dt {
    color: var(--csf-muted);
}

.csf-range-panel dd {
    margin: 0;
    font-weight: 700;
    text-align: right;
}

.csf-content-band {
    padding: 44px 0;
    border-top: 1px solid var(--csf-line);
}

.csf-prose {
    max-width: 850px;
    font-size: 17px;
    line-height: 1.75;
}

.csf-prose h2 {
    margin: 38px 0 10px;
    font-size: 27px;
    letter-spacing: 0;
}

.csf-section-head {
    display: flex;
    justify-content: space-between;
    gap: 36px;
    align-items: end;
    margin-bottom: 22px;
}

.csf-section-head h2 {
    margin: 5px 0 0;
    font-size: 32px;
    letter-spacing: 0;
}

.csf-section-head > p {
    max-width: 430px;
    margin: 0;
    color: var(--csf-muted);
}

.csf-table-wrap,
.csf-mini-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--csf-line);
}

.csf-spec-table,
.csf-mini-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.csf-spec-table th,
.csf-spec-table td,
.csf-mini-table th,
.csf-mini-table td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--csf-line);
    text-align: left;
    white-space: nowrap;
}

.csf-spec-table th,
.csf-mini-table th {
    position: sticky;
    top: 0;
    background: var(--csf-ink);
    color: var(--csf-white);
    font-weight: 700;
}

.csf-spec-table tbody tr:nth-child(even) {
    background: var(--csf-surface);
}

.csf-unit-note,
.csf-form-note {
    color: var(--csf-muted);
    font-size: 13px;
}

.csf-category-nav,
.csf-product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin: 24px 0 48px;
}

.csf-category-nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.csf-category-nav a,
.csf-product-card,
.csf-result-card {
    border: 1px solid var(--csf-line);
    border-radius: 6px;
    background: var(--csf-white);
}

.csf-category-nav a {
    display: block;
    padding: 20px;
    color: var(--csf-ink);
    text-decoration: none;
}

.csf-category-nav span {
    display: block;
    margin-top: 7px;
    color: var(--csf-muted);
    font-size: 14px;
    line-height: 1.5;
}

.csf-product-card {
    display: flex;
    flex-direction: column;
    min-height: 310px;
    padding: 24px;
}

.csf-product-card h2 {
    margin: 8px 0 12px;
    font-size: 22px;
    letter-spacing: 0;
}

.csf-product-card > p:not(.csf-card-category) {
    color: var(--csf-muted);
    line-height: 1.55;
}

.csf-product-card dl {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: auto 0 18px;
}

.csf-product-card dt {
    color: var(--csf-muted);
    font-size: 12px;
}

.csf-product-card dd {
    margin: 3px 0 0;
    font-size: 13px;
    font-weight: 700;
}

.csf-card-link {
    color: var(--csf-teal);
    font-weight: 700;
}

.csf-finder-band,
.csf-rfq-band {
    padding-top: 48px;
}

.csf-finder {
    border: 1px solid var(--csf-line);
    border-top: 4px solid var(--csf-accent);
    border-radius: 6px;
    background: var(--csf-white);
    padding: clamp(20px, 4vw, 42px);
}

.csf-heading {
    max-width: 750px;
    margin-bottom: 28px;
}

.csf-heading h2 {
    margin: 7px 0 10px;
    font-size: 30px;
    letter-spacing: 0;
}

.csf-heading p:last-child {
    color: var(--csf-muted);
    line-height: 1.6;
}

.csf-grid {
    display: grid;
    gap: 16px;
}

.csf-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.csf-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.csf-finder label {
    display: grid;
    gap: 7px;
    color: var(--csf-ink);
    font-size: 14px;
    font-weight: 650;
}

.csf-finder input,
.csf-finder select,
.csf-finder textarea {
    box-sizing: border-box;
    width: 100%;
    min-height: 44px;
    padding: 10px 11px;
    border: 1px solid #aeb8bf;
    border-radius: 4px;
    background: var(--csf-white);
    color: var(--csf-ink);
    font: inherit;
}

.csf-finder textarea { resize: vertical; }
.csf-finder small { color: var(--csf-muted); font-weight: 400; }

.csf-finder input:focus,
.csf-finder select:focus,
.csf-finder textarea:focus,
.csf-primary:focus,
.csf-use-button:focus {
    outline: 3px solid var(--csf-focus);
    outline-offset: 2px;
}

.csf-primary,
.csf-use-button {
    border: 0;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 750;
}

.csf-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    margin-top: 20px;
    padding: 11px 20px;
    background: var(--csf-accent);
    color: var(--csf-white);
}

.csf-primary:hover { background: var(--csf-accent-dark); }
.csf-primary:disabled { cursor: wait; opacity: .65; }
.csf-link-button { text-decoration: none; }

.csf-rfq-form {
    margin-top: 40px;
    padding-top: 36px;
    border-top: 1px solid var(--csf-line);
}

.csf-compact .csf-rfq-form {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.csf-rfq-form h3,
.csf-results h3 {
    margin: 0 0 8px;
    font-size: 23px;
    letter-spacing: 0;
}

.csf-rfq-form fieldset {
    margin: 24px 0;
    padding: 0;
    border: 0;
}

.csf-rfq-form legend {
    margin-bottom: 14px;
    font-size: 18px;
    font-weight: 750;
}

.csf-results {
    margin-top: 34px;
}

.csf-result-list {
    display: grid;
    gap: 14px;
}

.csf-result-card { padding: 18px; }

.csf-result-head {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    margin-bottom: 14px;
}

.csf-result-card h4 {
    margin: 4px 0 0;
    font-size: 19px;
    letter-spacing: 0;
}

.csf-score {
    color: var(--csf-teal);
    white-space: nowrap;
}

.csf-use-button {
    min-width: 58px;
    padding: 7px 10px;
    background: var(--csf-teal);
    color: var(--csf-white);
}

.csf-status {
    min-height: 21px;
    margin: 10px 0 0;
    color: var(--csf-teal);
    font-size: 14px;
}

.csf-status.is-error { color: var(--csf-accent-dark); }

.csf-success {
    margin-top: 18px;
    padding: 16px;
    border-left: 4px solid var(--csf-teal);
    background: #edf7f5;
}

.csf-success p { margin: 7px 0; }
.csf-whatsapp-link { color: var(--csf-teal); font-weight: 700; }
.csf-trap { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; }

@media (max-width: 900px) {
    .csf-product-hero { grid-template-columns: 1fr; gap: 28px; }
    .csf-category-nav, .csf-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .csf-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
    .csf-page { width: min(100% - 22px, 1180px); padding-top: 14px; }
    .csf-product-hero h1, .csf-archive-head h1 { font-size: 38px; }
    .csf-category-nav, .csf-product-grid, .csf-grid-3, .csf-grid-2 { grid-template-columns: 1fr; }
    .csf-section-head, .csf-result-head { align-items: flex-start; flex-direction: column; }
    .csf-finder { padding: 18px 14px; }
    .csf-product-card { min-height: 0; }
}