/* ============================================================
   Product catalogue page — Condition-Based Monitoring
   Built on the shared design tokens (tokens.css) + components.
   ============================================================ */

.catalogue { background: radial-gradient(120% 80% at 80% -20%, #ffffff 0%, #f3f6f9 45%, #edf1f5 100%); }

/* ---------- Sticky top bar ---------- */
.cat-topbar { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 74px; padding: 0 clamp(20px, 5vw, 64px); background: rgba(246,247,248,.82); backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s, background .3s; }
.cat-topbar.scrolled { border-bottom-color: var(--line); box-shadow: 0 10px 30px rgba(20,32,44,.06); }
.cat-brand img { width: 168px; height: auto; }
.cat-topbar-actions { display: flex; align-items: center; gap: clamp(16px, 3vw, 34px); }
.cat-back { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--muted); transition: color .25s; }
.cat-back span { color: var(--blue-deep); transition: transform .25s; }
.cat-back:hover { color: #171a20; }
.cat-back:hover span { transform: translateX(-3px); }
.cat-topbar-cta { min-height: 44px; padding: 0 20px; font-size: 14px; }

/* ---------- Cover ---------- */
.cat-cover { position: relative; overflow: hidden; padding: clamp(60px, 8vw, 110px) clamp(24px, 7vw, 128px) clamp(50px, 6vw, 90px); border-bottom: 1px solid var(--line); }
.cat-cover-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(20,32,44,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(20,32,44,.05) 1px, transparent 1px); background-size: 7.14vw 7.14vw; mask-image: linear-gradient(120deg, black, transparent 70%); pointer-events: none; }
.cat-cover-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(40px, 5vw, 80px); align-items: center; }
.cat-eyebrow-line { display: inline-block; width: 22px; height: 1px; margin-right: 6px; background: var(--blue-deep); vertical-align: middle; }
.cat-cover h1 { margin-bottom: 26px; font-size: clamp(46px, 6vw, 92px); line-height: .96; letter-spacing: -.055em; font-weight: 660; }
.cat-lead { max-width: 560px; color: rgba(17,21,26,.72); font-size: clamp(15px, 1.3vw, 19px); line-height: 1.7; }
.cat-cover-tags { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px; }
.cat-cover-tags span { padding: 8px 15px; border: 1px solid var(--line); border-radius: 100px; background: rgba(255,255,255,.72); font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: #44505a; }
.cat-cover-actions { margin-top: 38px; display: flex; align-items: center; flex-wrap: wrap; gap: 20px 32px; }
.cat-cover-photo { min-height: 320px; }

.photo-ph--real { padding: 0; gap: 0; place-items: stretch; border-style: solid; border-color: var(--line); background: #dfe5eb; }
.photo-ph--real::before, .photo-ph--real::after { display: none; }
.photo-ph--real img { width: 100%; height: 100%; display: block; object-fit: cover; }
.photo-ph--real .photo-ph-label { max-width: none; padding: 10px 14px; text-align: left; border-top: 1px solid var(--line); background: rgba(255,255,255,.92); }

/* ---------- Layout: sticky side-nav + content ---------- */
.cat-layout { display: grid; grid-template-columns: 250px 1fr; gap: clamp(30px, 5vw, 80px); max-width: 1400px; margin: 0 auto; padding: clamp(50px, 6vw, 90px) clamp(24px, 7vw, 128px); }
.cat-nav { position: sticky; top: 104px; align-self: start; height: max-content; }
.cat-nav-label { margin: 0 0 16px; font: 500 10px var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--muted); }
.cat-nav nav { display: flex; flex-direction: column; border-left: 1px solid var(--line); }
.cat-nav-link { position: relative; padding: 9px 0 9px 18px; margin-left: -1px; border-left: 1px solid transparent; color: var(--muted); font-size: 14px; font-weight: 500; letter-spacing: -.01em; transition: color .25s, border-color .25s; }
.cat-nav-link:hover { color: #171a20; }
.cat-nav-link.active { color: var(--blue-deep); border-left-color: var(--blue); font-weight: 600; }

/* ---------- Content sections ---------- */
.cat-content { min-width: 0; }
.cat-section { padding: clamp(48px, 6vw, 84px) 0; border-bottom: 1px solid var(--line); scroll-margin-top: 100px; }
.cat-section:first-child { padding-top: 0; }
.cat-kicker { margin: 0 0 18px; font: 500 10px var(--mono); text-transform: uppercase; letter-spacing: .16em; color: var(--blue); }
.cat-section h2 { font-size: clamp(32px, 4vw, 56px); line-height: 1.04; letter-spacing: -.045em; font-weight: 650; }
.cat-section-lead { max-width: 640px; margin-top: 20px; color: var(--muted); font-size: 17px; line-height: 1.7; }

.cat-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 4vw, 60px); align-items: center; margin-top: 34px; }
.cat-two-col--balance { align-items: stretch; }
.cat-two-col p { color: var(--muted); font-size: 16px; line-height: 1.75; }
.cat-two-col p + p { margin-top: 18px; }

/* Mini card grids */
.cat-grid { list-style: none; margin: 34px 0 0; padding: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.cat-grid--3 { grid-template-columns: repeat(3, 1fr); }
.cat-grid--4 { grid-template-columns: repeat(4, 1fr); }
.cat-mini-card { display: flex; flex-direction: column; gap: 8px; padding: 24px 22px; background: rgba(255,255,255,.7); transition: background .3s, transform .3s; }
.cat-mini-card:hover { background: #ffffff; }
.cat-mini-card b { font-family: var(--display); font-size: 16px; font-weight: 620; letter-spacing: -.02em; color: #1a232c; }
.cat-mini-card span { color: var(--muted); font-size: 13px; line-height: 1.55; }

/* Chips */
.cat-chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-content: flex-start; gap: 10px; }
.cat-chips li { padding: 10px 16px; border: 1px solid var(--line); border-radius: 100px; background: rgba(255,255,255,.72); font-size: 13px; font-weight: 500; letter-spacing: -.01em; color: #34414b; transition: border-color .25s, color .25s, transform .25s; }
.cat-chips li:hover { border-color: rgba(47,128,237,.5); color: var(--blue-deep); transform: translateY(-2px); }
.cat-chips--accent li:hover { border-color: rgba(0,168,184,.5); color: var(--cyan); }

/* Comparison table */
.cat-table-wrap { margin-top: 34px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.cat-table { width: 100%; border-collapse: collapse; background: rgba(255,255,255,.7); }
.cat-table th, .cat-table td { padding: 18px 22px; text-align: left; border-bottom: 1px solid var(--line); font-size: 15px; }
.cat-table thead th { font: 500 10px var(--mono); text-transform: uppercase; letter-spacing: .12em; color: #586672; background: var(--panel); }
.cat-table tbody tr:last-child td { border-bottom: 0; }
.cat-table td b { font-weight: 620; color: #1a232c; letter-spacing: -.01em; }
.cat-table td { color: var(--muted); }
.cat-table-row--now { background: linear-gradient(96deg, rgba(47,128,237,.07), rgba(0,168,184,.06)); }
.cat-table-row--now .tag { margin-left: 10px; }

/* Flow diagram */
.cat-flow { list-style: none; margin: 40px 0 0; padding: 0; display: grid; gap: 0; }
.cat-flow li { position: relative; display: grid; grid-template-columns: 54px 1fr; gap: 20px; align-items: start; padding: 0 0 30px 0; }
.cat-flow li:last-child { padding-bottom: 0; }
.cat-flow li::before { content: ""; position: absolute; left: 26px; top: 40px; bottom: -4px; width: 1px; background: var(--line); }
.cat-flow li:last-child::before { display: none; }
.cat-flow-step { position: relative; z-index: 2; display: grid; place-items: center; width: 54px; height: 40px; border: 1px solid var(--line); border-radius: 6px; background: #ffffff; font: 400 12px var(--mono); color: var(--blue); transition: border-color .4s ease, color .4s ease, box-shadow .4s ease; }
.cat-flow li b { font-family: var(--display); font-size: 18px; font-weight: 620; letter-spacing: -.02em; color: #1a232c; line-height: 40px; }
.cat-flow li small { grid-column: 2; color: var(--muted); font-size: 13px; margin-top: -6px; }
.cat-flow li.lit .cat-flow-step { border-color: var(--blue); color: #ffffff; background: linear-gradient(96deg, var(--blue), var(--cyan)); box-shadow: 0 8px 22px rgba(47,128,237,.28); }

/* Impact stat cards */
.cat-impact { margin-top: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.cat-impact-card { display: flex; flex-direction: column; gap: 10px; padding: 34px 26px; background: rgba(255,255,255,.7); }
.cat-impact-card b { font-family: var(--display); font-size: clamp(28px, 3vw, 40px); font-weight: 660; letter-spacing: -.04em; background: var(--grad-heading); background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.cat-impact-card span { color: var(--muted); font-size: 14px; line-height: 1.5; }

/* Roadmap */
.cat-roadmap { list-style: none; margin: 40px 0 0; padding: 0; border-top: 1px solid var(--line); }
.cat-roadmap li { display: grid; grid-template-columns: 70px 1fr; gap: 20px; align-items: start; padding: 26px 0; border-bottom: 1px solid var(--line); transition: padding .3s, background .3s; }
.cat-roadmap li:hover { padding-left: 18px; padding-right: 18px; background: rgba(20,32,44,.03); }
.cat-roadmap li > span { font: 400 11px var(--mono); color: var(--blue); padding-top: 4px; }
.cat-roadmap li b { display: block; font-family: var(--display); font-size: 20px; font-weight: 620; letter-spacing: -.02em; color: #1a232c; margin-bottom: 6px; }
.cat-roadmap li p { margin: 0; max-width: 620px; color: var(--muted); font-size: 14px; line-height: 1.65; }

/* Closing CTA */
.cat-cta { padding: clamp(60px, 7vw, 96px) 0 0; }
.cat-cta-inner { padding: clamp(44px, 5vw, 72px) clamp(30px, 5vw, 64px); border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(140deg, #e7edf3 0%, #f4f7fa 48%, #e9eef3 100%); position: relative; overflow: hidden; }
.cat-cta h2 { margin: 8px 0 18px; font-size: clamp(34px, 4.4vw, 62px); line-height: 1.02; letter-spacing: -.05em; font-weight: 650; }
.cat-cta-inner > p { max-width: 560px; color: #4a5863; font-size: 16px; line-height: 1.7; }
.cat-cta-actions { margin-top: 34px; display: flex; align-items: center; flex-wrap: wrap; gap: 20px 32px; }

/* ---------- Responsive ---------- */
@media (max-width: 1050px) {
  .cat-topbar-cta { display: none; }
  .cat-cover-inner { grid-template-columns: 1fr; }
  .cat-cover-photo { min-height: 240px; }
  .cat-layout { grid-template-columns: 1fr; }
  .cat-nav { position: static; margin-bottom: 10px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
  .cat-nav nav { flex-direction: row; flex-wrap: wrap; gap: 4px 6px; border-left: 0; }
  .cat-nav-link { padding: 8px 14px; border: 1px solid var(--line); border-radius: 100px; margin-left: 0; }
  .cat-nav-link.active { border-color: var(--blue); border-left-color: var(--blue); }
  .cat-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .cat-impact { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .cat-topbar { height: 64px; padding: 0 18px; }
  .cat-brand img { width: 150px; }
  .cat-cover { padding: 44px 20px 40px; }
  .cat-cover h1 { font-size: clamp(40px, 12vw, 58px); }
  .cat-two-col { grid-template-columns: 1fr; }
  .cat-grid--3, .cat-grid--4 { grid-template-columns: 1fr; }
  .cat-impact { grid-template-columns: 1fr; }
  .cat-table th, .cat-table td { padding: 14px 16px; font-size: 14px; }
  .cat-roadmap li { grid-template-columns: 50px 1fr; gap: 14px; }
  .cat-roadmap li:hover { padding-left: 0; padding-right: 0; }
  .cat-cta-actions { flex-direction: column; align-items: flex-start; }
}