.user-guide { position: relative; min-height: 100svh; color: var(--guide-on-brand); background: var(--guide-brand); isolation: isolate; letter-spacing: 0; }
.guide-background { position: fixed; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -1; }
.guide-topbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 30px 4%; }
.guide-brand { display: flex; gap: 18px; align-items: center; text-decoration: none; color: var(--guide-on-brand); font-size: 12px; font-weight: 600; }
.guide-brand img { object-fit: contain; width: 170px; height: auto; background: var(--card-bg); padding: 8px; }
.guide-home { display: inline-flex; align-items: center; gap: 8px; color: var(--guide-on-brand-muted); text-decoration: none; font-size: 12px; }
.guide-home:hover { color: var(--guide-on-brand); }
.guide-cover-content { border-left: 3px solid var(--guide-on-brand); margin: 65px 15% 70px; padding-left: 34px; max-width: 920px; }
.guide-eyebrow { color: var(--guide-on-brand-muted); font-size: 11px; font-weight: 600; margin-bottom: 20px; }
.guide-cover-content h1 { color: var(--guide-on-brand); font-size: 48px; line-height: 1.15; font-weight: 700; margin-bottom: 28px; }
.guide-cover-content h1 span { font-size: 56px; }
.guide-cover-intro { font-size: 15px; line-height: 1.9; max-width: 690px; color: var(--guide-on-brand-muted); margin-bottom: 30px; }
.guide-outline-btn { border: 1px solid var(--guide-line); border-radius: 0; color: var(--guide-on-brand); display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 13px 24px; font-size: 13px; }
.guide-outline-btn:hover { background: var(--guide-surface); border-color: var(--guide-on-brand); color: var(--guide-on-brand); }
.guide-vertical-label { position: absolute; right: 3%; top: 40%; writing-mode: vertical-rl; font-size: 10px; color: var(--guide-on-brand-muted); }
.guide-cover-footer { display: flex; justify-content: space-between; gap: 20px; font-size: 11px; color: var(--guide-on-brand-muted); padding: 24px 4%; border-top: 1px solid var(--guide-line); }
.guide-contents { padding: 30px 7% 60px; }
.guide-contents-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 28px; }
.guide-contents-heading h1 { font-size: 46px; text-transform: uppercase; font-weight: 700; color: var(--guide-on-brand); margin: 0; }
.guide-contents-heading .guide-eyebrow { margin-bottom: 6px; }
.guide-contents-tools { display: flex; flex-direction: column; gap: 10px; width: 280px; }
.guide-search { display: flex; align-items: center; gap: 10px; border: 1px solid var(--guide-line); padding: 10px 12px; }
.guide-search input { width: 100%; min-width: 0; background: transparent; border: 0; color: var(--guide-on-brand); outline: none; font-size: 12px; }
.guide-search:focus-within { outline: 2px solid var(--guide-on-brand); outline-offset: 3px; }
.guide-search input::placeholder { color: var(--guide-on-brand-muted); }
.guide-select { background-color: var(--guide-surface); border: 1px solid var(--guide-line); color: var(--guide-on-brand); border-radius: 0; font-size: 12px; }
.guide-select option { color: var(--bs-body-color); background: var(--card-bg); }
.guide-carousel-tools { display: flex; align-items: center; justify-content: space-between; margin-top: 50px; margin-bottom: 14px; font-size: 11px; color: var(--guide-on-brand-muted); }
.guide-icon-btn { display: grid; place-items: center; border: 1px solid var(--guide-line); border-radius: 0; width: 36px; height: 36px; padding: 0; color: var(--guide-on-brand); }
.guide-icon-btn:hover { background: var(--guide-surface); color: var(--guide-on-brand); }
.guide-chapter-rail { display: grid; grid-auto-columns: minmax(190px, 1fr); grid-auto-flow: column; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-color: var(--guide-line) transparent; padding-bottom: 16px; }
.guide-chapter-tile { border: 1px solid var(--guide-line); border-radius: 0; text-align: left; white-space: normal; color: var(--guide-on-brand); padding: 22px 18px; display: flex; flex-direction: column; min-height: 380px; scroll-snap-align: start; background: var(--guide-tile-bg); }
.guide-chapter-tile:hover { background: var(--guide-surface); color: var(--guide-on-brand); }
.guide-tile-icon { border: 1px solid var(--guide-line); background: var(--guide-surface); width: 40px; height: 40px; display: grid; place-items: center; }
.guide-tile-number { color: var(--guide-number); font-size: 78px; font-family: var(--font-display); font-weight: 700; line-height: 1.2; margin: 24px 0 18px; }
.guide-tile-meta { font-size: 9px; color: var(--guide-on-brand-muted); padding-bottom: 12px; border-bottom: 1px solid var(--guide-line); margin-bottom: 14px; }
.guide-chapter-tile h2 { color: var(--guide-on-brand); font-size: 16px; line-height: 1.4; text-transform: uppercase; font-weight: 700; }
.guide-chapter-tile p { color: var(--guide-on-brand-muted); font-size: 12px; line-height: 1.6; margin-bottom: 24px; }
.guide-tile-read { margin-top: auto; display: flex; justify-content: space-between; align-items: center; font-size: 11px; }
.guide-contents-note { color: var(--guide-on-brand-muted); font-size: 12px; line-height: 1.7; margin-top: 18px; max-width: 800px; }
.guide-reader { display: grid; grid-template-columns: minmax(280px, 31%) minmax(0, 1fr); min-height: 100svh; }
.guide-sidebar { padding: 28px 28px 32px; position: sticky; top: 0; height: 100svh; overflow-y: auto; display: flex; flex-direction: column; }
.guide-sidebar-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 50px; }
.guide-sidebar-brand { color: var(--guide-on-brand); font-size: 10px; text-decoration: none; }
.guide-summary-btn { padding: 8px 12px; gap: 7px; font-size: 11px; }
.guide-sidebar h2 { color: var(--guide-on-brand); font-weight: 700; font-size: 24px; line-height: 1.35; text-transform: uppercase; }
.guide-sidebar .guide-eyebrow { margin-bottom: 10px; }
.guide-sidebar-number { font-size: 110px; line-height: 1.3; color: var(--guide-on-brand); font-weight: 700; font-family: var(--font-display); margin: 12px 0; }
.guide-section-nav { margin-top: auto; padding: 18px 0; border-top: 1px solid var(--guide-line); display: flex; flex-direction: column; gap: 4px; }
.guide-section-link { color: var(--guide-on-brand-muted); border-radius: 0; font-size: 11px; text-align: left; display: flex; align-items: baseline; gap: 12px; padding: 10px; text-transform: uppercase; white-space: normal; }
.guide-section-link span { flex-shrink: 0; }
.guide-section-link:hover, .guide-section-link.active { background: var(--guide-surface); color: var(--guide-on-brand); }
.guide-article { background: var(--card-bg); color: var(--bs-body-color); padding: 36px 6% 24px; min-width: 0; }
.guide-article-meta { display: flex; justify-content: space-between; gap: 15px; color: var(--muted-color); font-size: 10px; margin-bottom: 22px; }
.guide-article h1 { color: var(--bs-body-color); font-size: 34px; line-height: 1.2; font-weight: 700; text-transform: uppercase; margin-bottom: 20px; overflow-wrap: anywhere; }
.guide-path { color: var(--copper); font-size: 12px; line-height: 1.7; margin-bottom: 12px; }
.guide-article-intro { color: var(--muted-color); font-size: 14px; line-height: 1.9; margin-bottom: 28px; }
.guide-step { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 16px; padding: 26px 0; border-bottom: 1px solid var(--border-color); }
.guide-step-number { background: var(--guide-brand); color: var(--guide-on-brand); display: grid; place-items: center; width: 34px; height: 34px; font-size: 13px; font-weight: 700; }
.guide-step h2 { font-size: 18px; line-height: 1.5; font-weight: 700; text-transform: uppercase; margin: 2px 0 10px; }
.guide-step p, .guide-step li, .guide-note p, .guide-notice p { font-size: 13px; line-height: 1.9; color: var(--muted-color); }
.guide-step ol { padding-left: 20px; margin-bottom: 0; }
.guide-step li { padding-left: 5px; margin-bottom: 8px; }
.guide-note, .guide-notice { border-left: 3px solid var(--copper); background: var(--charcoal); padding: 18px 22px; margin: 26px 0; }
.guide-note strong, .guide-notice strong { font-size: 12px; text-transform: uppercase; color: var(--copper); }
.guide-note p, .guide-notice p { margin: 6px 0 0; }
.guide-primary-btn { background: var(--guide-brand); color: var(--guide-on-brand); border-radius: 0; display: inline-flex; gap: 20px; align-items: center; font-size: 12px; padding: 12px 18px; margin-top: 24px; }
.guide-primary-btn:hover { background: var(--copper-glow); color: var(--guide-on-brand); }
.guide-reader-pagination { display: flex; align-items: center; justify-content: space-between; gap: 10px; border-top: 1px solid var(--border-color); padding-top: 24px; margin-top: 38px; }
.guide-reader-pagination > span { font-size: 11px; color: var(--muted-color); }
.guide-navigation-btn { color: var(--copper); border-radius: 0; display: flex; align-items: center; gap: 10px; font-size: 12px; }
.user-guide .btn:focus-visible, .user-guide a:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
.user-guide h1:focus { outline: none; }
@media (min-width: 1600px) { .guide-chapter-rail { grid-auto-columns: minmax(210px, 1fr); } .guide-cover-content { margin-top: 110px; margin-bottom: 110px; } }
@media (max-width: 991px) { .guide-cover-content { margin: 60px 8%; } .guide-cover-content h1 { font-size: 38px; } .guide-cover-content h1 span { font-size: 44px; } .guide-sidebar { padding: 24px 18px; } .guide-reader { grid-template-columns: 270px minmax(0, 1fr); } .guide-article { padding: 28px 5%; } .guide-article h1 { font-size: 28px; } .guide-sidebar h2 { font-size: 20px; } }
@media (max-width: 767px) { .guide-topbar { padding: 20px 5%; } .guide-brand img { width: 125px; } .guide-brand > span { display: none; } .guide-home { font-size: 10px; } .guide-cover-content { margin: 46px 6% 48px; padding-left: 20px; } .guide-cover-content h1, .guide-cover-content h1 span { font-size: 32px; } .guide-cover-intro { font-size: 13px; } .guide-eyebrow { font-size: 9px; } .guide-vertical-label { display: none; } .guide-cover-footer { flex-direction: column; padding: 20px 6%; gap: 8px; font-size: 10px; } .guide-contents { padding: 22px 5% 40px; } .guide-contents-heading { flex-direction: column; gap: 22px; } .guide-contents-heading h1 { font-size: 34px; } .guide-contents-tools { width: 100%; } .guide-carousel-tools { margin-top: 24px; } .guide-chapter-rail { grid-auto-columns: 220px; } .guide-reader { display: block; } .guide-sidebar { position: relative; height: auto; padding: 20px 5%; } .guide-sidebar-top { margin-bottom: 25px; } .guide-sidebar h2 { font-size: 20px; margin-bottom: 15px; } .guide-sidebar-number { display: none; } .guide-section-nav { flex-direction: row; overflow-x: auto; padding: 12px 0; margin: 0; } .guide-section-link { min-width: 185px; max-width: 220px; flex-shrink: 0; } .guide-sidebar > .guide-home { margin-top: 10px; } .guide-article { padding: 28px 6%; } .guide-article-meta { font-size: 9px; } .guide-article-meta > span:last-child { display: none; } .guide-article h1 { font-size: 26px; } .guide-step { gap: 12px; grid-template-columns: 30px minmax(0, 1fr); } .guide-step-number { width: 30px; height: 30px; } .guide-step h2 { font-size: 16px; } }
@media (prefers-reduced-motion: reduce) { .user-guide * { scroll-behavior: auto; transition: none; } }/* Refined brand lockup & polish */
.guide-brand { gap: 0; }
.guide-brand-plate { position: relative; display: grid; place-items: center; background: var(--card-bg); padding: 10px 16px; box-shadow: 0 18px 40px -18px hsl(220 60% 8% / .6); }
.guide-brand-plate::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, var(--copper), var(--copper-glow)); }
.guide-brand img { width: 150px; padding: 0; background: transparent; }
.guide-brand-word { display: flex; flex-direction: column; border-left: 1px solid var(--guide-line); margin-left: 22px; padding-left: 22px; line-height: 1.15; }
.guide-brand-word small { font-size: 9px; letter-spacing: .28em; text-transform: uppercase; color: var(--copper); font-weight: 600; margin-bottom: 6px; }
.guide-brand-word strong { font-family: var(--font-display); font-size: 19px; letter-spacing: .06em; text-transform: uppercase; color: var(--guide-on-brand); }
.guide-brand-word em { font-style: normal; font-size: 11px; letter-spacing: .32em; text-transform: uppercase; color: var(--guide-on-brand-muted); margin-top: 3px; }
.guide-topbar { border-bottom: 1px solid var(--guide-line); }
.guide-home { border: 1px solid var(--guide-line); padding: 9px 14px; letter-spacing: .08em; text-transform: uppercase; font-size: 10px; transition: background .2s, color .2s; }
.guide-home:hover { background: var(--guide-surface); }
.guide-eyebrow { letter-spacing: .24em; }
.guide-eyebrow::before { content: ""; display: inline-block; width: 28px; height: 2px; background: var(--copper); vertical-align: middle; margin-right: 12px; }
.guide-cover-content { border-left-color: var(--copper); }
.guide-cover-content h1 span { background: linear-gradient(90deg, var(--guide-on-brand), var(--copper-glow)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.guide-chapter-tile { transition: transform .25s, background .25s, border-color .25s; position: relative; }
.guide-chapter-tile::before { content: ""; position: absolute; top: -1px; left: -1px; right: -1px; height: 3px; background: var(--copper); transform: scaleX(0); transform-origin: left; transition: transform .3s; }
.guide-chapter-tile:hover { transform: translateY(-4px); border-color: var(--guide-on-brand-muted); }
.guide-chapter-tile:hover::before { transform: scaleX(1); }
.guide-tile-read { letter-spacing: .14em; text-transform: uppercase; color: var(--copper-glow); }
.guide-step-number { background: linear-gradient(135deg, var(--guide-brand), var(--copper)); }
.guide-article h1 { letter-spacing: .02em; }
.guide-section-link.active { box-shadow: inset 3px 0 0 var(--copper); }
@media (max-width: 767px) { .guide-brand img { width: 110px; } .guide-brand-word { display: none; } }
@media (max-width: 767px) { .guide-brand > .guide-brand-plate { display: grid; } }