:root {
    --blue:   #426db3;
    --blue2:  #3259a0;
    --navy:   #1e3a5f;
    --sky:    #edf2fb;
    --grey:   #f4f6f9;
    --border: #dde4ef;
    --ink:    #1a2540;
    --body:   #4b5a6e;
    --muted:  #8fa0b4;
    --shadow: 0 4px 24px rgba(66,109,179,0.10);
}
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: hidden; font-family: 'DM Sans', sans-serif; max-width: 100vw; }
.fa, .fa::before, [class*="fa-"]::before { font-family: 'FontAwesome' !important; }

/* ── Breadcrumb ── */
.cat-breadcrumb { background: var(--grey); border-bottom: 1px solid var(--border); padding: 13px 0; }
.cat-breadcrumb .inner { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--muted); flex-wrap: wrap; }
.cat-breadcrumb a { color: var(--blue); text-decoration: none; font-weight: 600; }
.cat-breadcrumb a:hover { text-decoration: underline; }
.cat-breadcrumb .sep { color: var(--border); }
.cat-breadcrumb .current { color: var(--ink); font-weight: 600; }

/* ── Hero ── */
.cat-hero { background: var(--navy); padding: 20px 0 16px; position: relative; overflow: hidden; }
.cat-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 80% 50%, rgba(66,109,179,0.25) 0%, transparent 65%); pointer-events: none; }
.cat-hero-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cat-hero-left { flex: 1; min-width: 260px; }
.cat-hero-eyebrow { display: inline-flex; align-items: center; gap: 7px; font-size: 10px; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(168,196,232,0.9); margin-bottom: 6px; }
.cat-hero-eyebrow::before { content: ''; width: 20px; height: 2px; background: #426db3; border-radius: 2px; }
.cat-hero h1 { font-family: 'Inter', sans-serif; font-size: clamp(19px, 2.6vw, 28px); font-weight: 900; color: #fff; line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 8px; }
.cat-hero h1 em { font-style: normal; color: #a8c4e8; }
.cat-hero-desc { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.6; max-width: 520px; margin-bottom: 12px; }
.cat-hero-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.cat-hero-pill { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.85); background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); padding: 4px 10px; border-radius: 30px; }
.cat-hero-pill .fa { color: #a8c4e8; font-size: 11px; }
.cat-hero-stats { display: flex; gap: 20px; flex-wrap: wrap; flex-shrink: 0; }
.cat-stat { text-align: center; }
.cat-stat-num { font-family: 'Inter', sans-serif; font-size: 24px; font-weight: 900; color: #fff; line-height: 1; letter-spacing: -0.04em; }
.cat-stat-num span { color: #a8c4e8; font-size: 15px; }
.cat-stat-label { font-size: 11px; color: rgba(255,255,255,0.5); font-weight: 600; letter-spacing: 0.04em; margin-top: 4px; }
@media(max-width:600px) { .cat-hero { padding: 16px 0 12px; } .cat-hero-stats { gap: 14px; } .cat-stat-num { font-size: 20px; } }

/* ── Sub-category heading ── */
.cat-sub-header { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; margin-top: 40px; }
.cat-sub-title-wrap { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.cat-sub-title { font-family: 'Inter', sans-serif; font-size: 20px; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; margin: 0; }
.cat-sub-count { display: inline-flex; align-items: center; font-size: 11px; font-weight: 800; color: var(--blue); background: var(--sky); padding: 3px 10px; border-radius: 20px; letter-spacing: 0.03em; white-space: nowrap; }
.cat-sub-divider { flex: 1; height: 1.5px; background: linear-gradient(90deg, var(--border) 0%, transparent 100%); border-radius: 2px; }

/* ── Products Section ── */
.cat-products-section { padding: 24px 0 40px; }
.cat-sub-block { margin-bottom: 20px; }

/* ── Tools strip ── */
.cat-tools { background: var(--navy); padding: 32px 0; }
.cat-tools-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media(max-width:600px) { .cat-tools-inner { grid-template-columns: 1fr; } }
.cat-tool-card { display: flex; align-items: center; gap: 16px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 14px; padding: 20px 22px; text-decoration: none; transition: background .2s, border-color .2s; }
.cat-tool-card:hover { background: rgba(255,255,255,0.1); border-color: rgba(168,196,232,0.4); }
.cat-tool-icon { width: 44px; height: 44px; flex-shrink: 0; background: rgba(66,109,179,0.35); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; color: #a8c4e8; }
.cat-tool-text strong { display: block; font-size: 13.5px; font-weight: 800; color: #fff; margin-bottom: 3px; font-family: 'Inter', sans-serif; }
.cat-tool-text span { font-size: 12px; color: rgba(255,255,255,0.5); line-height: 1.4; }

/* ── Other Products ── */
.cat-other { padding: 48px 0; background: var(--grey); border-top: 1px solid var(--border); }
.cat-other-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; margin-top: 28px; }
@media(max-width:480px) { .cat-other-grid { grid-template-columns: 1fr 1fr; gap: 10px; } }
.cat-other-card { background: #fff; border: 1.5px solid var(--border); border-radius: 12px; overflow: hidden; text-decoration: none; transition: border-color .2s, transform .2s, box-shadow .2s; }
.cat-other-card:hover { border-color: var(--blue); transform: translateY(-3px); box-shadow: var(--shadow); }
.cat-other-fig { background: #fff; display: flex; align-items: center; justify-content: center; padding: 20px; height: 150px; border-bottom: 1px solid var(--border); overflow: hidden; }
.cat-other-fig img { max-width: 100%; max-height: 110px; object-fit: contain; transition: transform .3s; }
.cat-other-card:hover .cat-other-fig img { transform: scale(1.05); }
.cat-other-body { padding: 12px 14px 14px; }
.cat-other-name { font-size: 12.5px; font-weight: 700; color: var(--ink); line-height: 1.35; }

/* ── About ── */
.cat-about { padding: 48px 0; border-top: 1px solid var(--border); }
.cat-about-inner { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: start; }
@media(max-width:768px) { .cat-about-inner { grid-template-columns: 1fr; gap: 24px; } }
.cat-about-left h2 { font-family: 'Inter', sans-serif; font-size: 26px; font-weight: 800; color: var(--ink); letter-spacing: -0.03em; margin-bottom: 16px; }
.cat-about-left h2 em { font-style: normal; color: var(--blue); }
.cat-about-left p, .cat-about-right p { font-size: 13.5px; color: var(--body); line-height: 1.75; margin-bottom: 6px; }

/* ── FAQ ── */
.cat-faq { padding: 48px 0; background: var(--grey); border-top: 1px solid var(--border); }
.cat-faq-list { margin-top: 28px; }
.cat-faq-item { background: #fff; border: 1.5px solid var(--border); border-radius: 12px; margin-bottom: 8px; overflow: hidden; transition: border-color .2s; }
.cat-faq-item.open { border-color: var(--blue); }
.cat-faq-q { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; cursor: pointer; font-size: 14px; font-weight: 700; color: var(--ink); line-height: 1.4; user-select: none; font-family: 'Inter', sans-serif; }
.cat-faq-q .fa { font-size: 12px; color: var(--blue); flex-shrink: 0; transition: transform .25s; }
.cat-faq-item.open .cat-faq-q .fa { transform: rotate(180deg); }
.cat-faq-a { display: none; padding: 0 20px 16px; font-size: 13.5px; color: var(--body); line-height: 1.75; }
.cat-faq-a a { color: var(--blue); font-weight: 600; }
.cat-faq-item.open .cat-faq-a { display: block; }

/* ── Clients ── */
.cat-clients { padding: 48px 0; border-top: 1px solid var(--border); }

/* ── Section headings ── */
.cat-sh { font-family: 'Inter', sans-serif; font-size: 24px; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; margin-bottom: 6px; }
.cat-sh em { font-style: normal; color: var(--blue); }
.cat-sh-sub { font-size: 13.5px; color: var(--muted); margin-bottom: 0; }

/* Scroll reveal */
[data-r] { opacity: 0; transform: translateY(24px); transition: opacity .6s, transform .6s; }
[data-r].on { opacity: 1; transform: none; }