:root {
    --clr-navy:        #0f2942;
    --clr-navy-input:  #17344d;
    --clr-navy-border: #294a66;
    --clr-blue:        #1e5f8e;
    --clr-blue-hover:  #2a72a5;
    --clr-amber:       #e8a020;
    --clr-amber-tint:  #fdf6e8;
    --clr-bg:          #f4f6f8;
    --clr-surface:     #ffffff;
    --clr-border:      #dde2e8;
    --clr-text:        #0f2942;
    --clr-muted:       #5a6a7a;
    --clr-muted-navy:  #8ba3b8;
    --clr-nav-inactive:#cdd8e2;
    --radius:          6px;
    --radius-lg:       12px;
    --shadow:          0 2px 8px rgba(0,0,0,0.08);
    --transition:      0.18s ease;
    --container:       1100px;
    --pad-x:           1.5rem;
}

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--clr-bg);
    color: var(--clr-text);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

a { color: var(--clr-blue); text-decoration: none; }
a:hover { color: var(--clr-text); }

h1, h2, h3, h4 { margin: 0; }

img { max-width: 100%; height: auto; }

.tnum { font-variant-numeric: tabular-nums; }

/* Layout */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--pad-x);
}

.section { padding: 3rem 0; }

.grid { display: grid; gap: 20px; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 22px;
    border-radius: var(--radius);
    font-size: 0.92rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    border: none;
    transition: background var(--transition), color var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.btn--primary { background: var(--clr-blue); color: #fff; }
.btn--primary:hover { background: var(--clr-blue-hover); color: #fff; }
.btn--outline { background: transparent; color: var(--clr-blue); border: 1px solid var(--clr-blue); }
.btn--outline:hover { background: var(--clr-blue); color: #fff; }
.btn--sm { padding: 7px 14px; font-size: 0.82rem; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: var(--clr-navy);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    gap: 16px;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex: none;
}
.site-logo:hover { text-decoration: none; }
.site-logo__mark { width: 32px; height: 32px; display: block; flex: none; }
.site-logo__word {
    font-family: "Sora", system-ui, sans-serif;
    font-weight: 600;
    font-size: 1.35rem;
    letter-spacing: -0.03em;
    color: #fff;
}
.logo-tagline { font-size: 0.72rem; color: var(--clr-muted-navy); font-weight: 500; }

.search-wrap { flex: 1; max-width: 420px; margin: 0 32px; position: relative; }
.search-inner { position: relative; display: flex; align-items: center; }
.search-icon { position: absolute; left: 12px; pointer-events: none; }
.search-input {
    width: 100%;
    background: var(--clr-navy-input);
    border: 1px solid var(--clr-navy-border);
    border-radius: 4px;
    padding: 9px 12px 9px 36px;
    font-size: 0.9rem;
    font-family: inherit;
    color: #fff;
    outline: none;
}
.search-input:focus { border-color: var(--clr-blue); }
.search-input::placeholder { color: var(--clr-muted-navy); }

.main-nav { display: flex; gap: 28px; flex: none; }
.nav-link { color: var(--clr-nav-inactive); font-weight: 500; font-size: 0.92rem; }
.nav-link:hover, .nav-link.is-active { color: #fff; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 8px;
    flex: none;
}

/* Hero */
.hero { background: var(--clr-navy); padding: 64px 0 72px; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232,160,32,0.12);
    border: 1px solid rgba(232,160,32,0.35);
    color: var(--clr-amber);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    letter-spacing: 0.01em;
}
.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.05;
    color: #fff;
    margin: 0 0 20px;
}
.hero-sub {
    font-size: 1.2rem;
    line-height: 1.6;
    color: #c3d0dc;
    margin: 0 0 32px;
    max-width: 620px;
}
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; align-items: center; }
.hero-stat-wrap { display: flex; align-items: center; gap: 10px; }
.hero-stat-val { font-size: 1.6rem; font-weight: 800; color: var(--clr-amber); }
.hero-stat-label { font-size: 0.85rem; color: var(--clr-muted-navy); line-height: 1.3; }
.hero-divider { width: 1px; background: #22405a; align-self: stretch; min-height: 36px; }

/* Category cards */
.category-card {
    display: block;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: 20px;
    text-decoration: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.category-card:hover {
    border-color: var(--clr-blue);
    box-shadow: var(--shadow);
    color: inherit;
}
.category-card__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    font-size: 0.7rem;
    color: var(--clr-muted);
    font-weight: 700;
    font-family: ui-monospace, monospace;
}
.category-card__name { font-weight: 700; font-size: 1rem; color: var(--clr-text); margin-bottom: 4px; }
.category-card__count { font-size: 0.8rem; color: var(--clr-muted); }

/* Article cards */
.article-card {
    display: flex;
    flex-direction: column;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.article-card:hover {
    box-shadow: 0 8px 24px rgba(15,41,66,0.1);
    transform: translateY(-2px);
}
.article-card__img {
    height: 150px;
    background: repeating-linear-gradient(135deg, #f4f6f8, #f4f6f8 8px, #eef1f4 8px, #eef1f4 16px);
    border-bottom: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: ui-monospace, monospace;
    font-size: 0.68rem;
    color: var(--clr-muted);
}
.article-card__body { padding: 18px; display: flex; flex-direction: column; flex: 1; }
.article-card__category {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--clr-blue);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
}
.article-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--clr-text);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-card__excerpt {
    font-size: 0.85rem;
    color: var(--clr-muted);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-card__cta { margin-top: auto; font-size: 0.85rem; font-weight: 600; color: var(--clr-blue); }

/* Breadcrumb */
.breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.82rem;
    color: var(--clr-muted);
    padding: 20px 0 4px;
    flex-wrap: wrap;
}
.breadcrumb a { color: var(--clr-muted); }
.breadcrumb a:hover { color: var(--clr-blue); }
.breadcrumb__sep { color: var(--clr-border); }

/* Top pick box */
.top-pick-box {
    position: relative;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-left: 4px solid var(--clr-amber);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    gap: 24px;
    align-items: center;
    flex-wrap: wrap;
    margin: 8px 0 40px;
}
.top-pick-box__label {
    position: absolute;
    top: -11px;
    left: 20px;
    background: var(--clr-amber);
    color: var(--clr-navy);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius);
    letter-spacing: 0.01em;
}
.top-pick-box__img {
    width: 120px;
    height: 120px;
    flex: none;
    object-fit: contain;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
}
.top-pick-box__info { flex: 1; min-width: 200px; }
.top-pick-box__title { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 6px; }
.top-pick-box__actions {
    flex: none;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    text-align: right;
}
.product-price { font-size: 2rem; font-weight: 800; color: var(--clr-amber); line-height: 1; font-variant-numeric: tabular-nums; }

/* Star rating */
.star-rating { display: inline-flex; align-items: center; gap: 8px; }
.star-wrap { position: relative; display: inline-block; letter-spacing: 2px; line-height: 1; }
.star-bg { color: var(--clr-border); }
.star-fg {
    position: absolute;
    left: 0;
    top: 0;
    overflow: hidden;
    color: var(--clr-amber);
    white-space: nowrap;
}
.star-rating__value { font-size: 0.85rem; color: var(--clr-muted); font-weight: 600; font-variant-numeric: tabular-nums; }

/* Comparison table */
.comparison-table-wrap { margin-bottom: 48px; }
.comparison-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 12px;
}
.comparison-controls h2 { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.01em; }
.sort-label { font-size: 0.8rem; color: var(--clr-muted); }
.sort-btns {
    display: flex;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    overflow: hidden;
}
.sort-btn {
    border: none;
    border-right: 1px solid var(--clr-border);
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    background: var(--clr-surface);
    color: var(--clr-muted);
    transition: background var(--transition), color var(--transition);
}
.sort-btn:last-child { border-right: none; }
.sort-btn.is-active { background: var(--clr-blue); color: #fff; }

.comparison-table-scroll {
    overflow-x: auto;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    background: var(--clr-surface);
}
.comparison-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.comparison-table thead tr { background: var(--clr-bg); }
.comparison-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--clr-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.comparison-table th:first-child {
    position: sticky;
    left: 0;
    background: var(--clr-bg);
}
.comparison-table th:last-child { text-align: right; }
.comparison-table td { padding: 14px 16px; border-top: 1px solid var(--clr-border); }
.comparison-table td:first-child {
    position: sticky;
    left: 0;
    background: var(--clr-surface);
}
.top-pick-row td { background: var(--clr-amber-tint) !important; }
.product-col { display: flex; align-items: center; gap: 12px; }
.table-img {
    width: 44px;
    height: 44px;
    flex: none;
    object-fit: contain;
    border: 1px solid var(--clr-border);
    border-radius: 4px;
    background: var(--clr-bg);
}
.top-pick-badge {
    display: inline-block;
    background: var(--clr-amber);
    color: var(--clr-navy);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    margin-top: 3px;
}
.price-amount { font-weight: 700; font-size: 1rem; color: var(--clr-amber); display: block; font-variant-numeric: tabular-nums; }
.price-retailer { font-size: 0.75rem; color: var(--clr-muted); display: block; }
.buy-col { min-width: 140px; text-align: right; }
.price-disclaimer { font-size: 0.8rem; color: var(--clr-muted); margin-top: 12px; }

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--clr-navy);
    border-top: 1px solid #1e3a56;
    z-index: 50;
    box-shadow: 0 -4px 16px rgba(15,41,66,0.18);
    transition: transform 0.3s ease;
}
.sticky-cta__inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.sticky-cta__title {
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}
.sticky-cta__price { color: var(--clr-amber); font-weight: 800; font-size: 1.2rem; font-variant-numeric: tabular-nums; }
.sticky-cta__actions { display: flex; align-items: center; gap: 20px; flex: none; }

/* Email capture */
.email-capture {
    background: var(--clr-navy);
    border-radius: var(--radius);
    padding: 40px;
    display: flex;
    gap: 32px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}
.email-capture__text { flex: 1; min-width: 240px; }
.email-capture__heading { font-size: 1.5rem; font-weight: 700; color: #fff; letter-spacing: -0.01em; margin-bottom: 6px; }
.email-capture__sub { font-size: 0.95rem; color: var(--clr-muted-navy); line-height: 1.5; }
.email-capture__form { flex: none; display: flex; gap: 8px; flex-wrap: wrap; }
.email-input {
    border: 1px solid #2a4a63;
    background: #fff;
    border-radius: 4px;
    padding: 12px 14px;
    font-size: 0.95rem;
    font-family: inherit;
    width: 240px;
    color: var(--clr-text);
    outline: none;
}
.email-input:focus { border-color: var(--clr-blue); }
.email-capture__success {
    flex: none;
    color: var(--clr-amber);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.success-tick {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--clr-amber);
    color: var(--clr-navy);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}
.email-error { font-size: 0.85rem; color: #f87171; margin-top: 4px; }

/* Retailer badges */
.retailer-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    vertical-align: middle;
}
.retailer-badge--sm { font-size: 0.6rem; padding: 1px 5px; }
.badge--amazon      { background: #f90; color: #111; }
.badge--yale        { background: #003087; color: #fff; }
.badge--eufy        { background: #1890ff; color: #fff; }
.badge--arlo        { background: #00adef; color: #fff; }
.badge--simplisafe  { background: #e31837; color: #fff; }
.badge--argos       { background: #e31837; color: #fff; }
.badge--currys      { background: #5b2d8e; color: #fff; }
.badge--screwfix    { background: #003087; color: #fff; }
.badge--toolstation { background: #e31837; color: #fff; }
.badge--bq          { background: #007a33; color: #fff; }
.badge--wickes      { background: #e31837; color: #fff; }
.badge--masterlock  { background: #d4101a; color: #fff; }
.badge--verisure    { background: #002b5c; color: #fff; }

.retailer-btn-group { display: flex; flex-direction: column; gap: 8px; }
.retailer-alternatives { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.retailer-alt-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--clr-border);
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 0.82rem;
    color: var(--clr-text);
    text-decoration: none;
    transition: border-color var(--transition), color var(--transition);
}
.retailer-alt-link:hover { border-color: var(--clr-blue); color: var(--clr-blue); }
.retailer-alt-price { font-weight: 700; color: var(--clr-amber); }

/* Subcategory pills */
.subcategory-pills { display: flex; gap: 8px; flex-wrap: wrap; padding-bottom: 24px; }
.pill {
    padding: 8px 16px;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    font-family: inherit;
    border: 1px solid var(--clr-border);
    background: var(--clr-surface);
    color: var(--clr-text);
    text-decoration: none;
    display: inline-block;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.pill:hover, .pill.is-active { background: var(--clr-blue); color: #fff; border-color: var(--clr-blue); }

/* Ad slot */
.ad-slot { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.ad-slot__label {
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #9aa8b6;
    font-weight: 600;
}
.ad-slot__box {
    background: repeating-linear-gradient(135deg, #eef1f4, #eef1f4 10px, #e7ebef 10px, #e7ebef 20px);
    border: 1px dashed #cbd3db;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: ui-monospace, monospace;
    font-size: 0.7rem;
    color: #8794a2;
}

/* Article body typography */
.article-body { max-width: 720px; font-size: 1.05rem; line-height: 1.7; color: var(--clr-text); }
.article-body h2 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.01em; margin: 40px 0 12px; }
.article-body h3 { font-size: 1.2rem; font-weight: 700; margin: 28px 0 10px; }
.article-body p { margin: 0 0 24px; }
.article-body ul, .article-body ol { margin: 0 0 24px; padding-left: 1.5rem; }
.article-body li { margin-bottom: 8px; }

/* FAQ */
.faq-list { max-width: 720px; margin: 8px 0 48px; }
.faq-item { border-bottom: 1px solid var(--clr-border); }
.faq-btn {
    width: 100%;
    text-align: left;
    background: none;
    border: 0;
    padding: 20px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-family: inherit;
}
.faq-q { font-size: 1.05rem; font-weight: 600; color: var(--clr-text); }
.faq-q.is-open { color: var(--clr-blue); }
.faq-chevron { font-size: 1.1rem; color: var(--clr-blue); transition: transform 0.2s ease; flex: none; }
.faq-answer { overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer p { margin: 0; padding: 0 0 20px; font-size: 1rem; line-height: 1.7; color: var(--clr-muted); max-width: 640px; }

/* Pagination */
.pagination { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 32px 0; }
.pagination__info { color: var(--clr-muted); font-size: 0.9rem; }

/* Footer */
.site-footer { padding: 48px 0 40px; }
.footer-inner { max-width: var(--container); margin: 0 auto; padding: 0 var(--pad-x); }
.footer-top {
    border-top: 1px solid var(--clr-border);
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.footer-brand { max-width: 520px; }
.footer-brand-name { font-weight: 800; font-size: 1.1rem; color: var(--clr-text); margin-bottom: 8px; }
.footer-disclaimer { font-size: 0.8rem; color: var(--clr-muted); line-height: 1.6; margin: 0; }
.footer-links { display: flex; gap: 48px; }
.footer-nav-group { display: flex; flex-direction: column; gap: 8px; font-size: 0.85rem; }
.footer-nav-group__title { font-weight: 700; color: var(--clr-text); margin-bottom: 2px; }
.footer-nav-group a { color: var(--clr-muted); }
.footer-nav-group a:hover { color: var(--clr-blue); }

/* Utility */
.empty-state { text-align: center; padding: 64px 24px; color: var(--clr-muted); }
.empty-state p { margin-bottom: 24px; font-size: 1.1rem; }

/* Mobile */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .search-wrap { display: none; }
    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--clr-navy);
        flex-direction: column;
        padding: 16px 24px;
        gap: 16px;
        border-top: 1px solid var(--clr-navy-border);
    }
    .main-nav.is-open { display: flex; }
    .site-header { position: relative; }
    .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-5 { grid-template-columns: repeat(2, 1fr); }
    .hero h1 { font-size: 2.2rem; }
    .hero { padding: 40px 0 48px; }
    .top-pick-box { flex-direction: column; }
    .top-pick-box__actions { align-items: flex-start; text-align: left; }
    .email-capture { padding: 28px; }
    .footer-links { gap: 28px; }
}

@media (max-width: 480px) {
    .grid-cols-3, .grid-cols-2, .grid-cols-5 { grid-template-columns: 1fr; }
    .email-capture__form { flex-direction: column; width: 100%; }
    .email-input { width: 100%; }
    .hero h1 { font-size: 1.8rem; }
    .product-price { font-size: 1.5rem; }
    .comparison-controls { flex-direction: column; align-items: flex-start; }
}