/* Buyer guides share the security landing palette, with editorial reading layouts. */
.buyer-guide-page { overflow-wrap: break-word; }
.buyer-guide-page .bb-hero { padding-bottom: 5rem; }
.buyer-guide-page .bb-hero h1 { font-size: clamp(2.8rem, 4.1vw, 4.25rem); }
.buyer-guide-page .bb-hero-shade { background: linear-gradient(90deg, rgba(8, 6, 21, .98), rgba(18, 8, 36, .87) 58%, rgba(31, 10, 50, .5)), linear-gradient(0deg, #090713, transparent 40%); }
.buyer-guide-page .bg-label, .buyer-guide-links .bg-label { color: #c99bf5; font: 600 .65rem/1.7 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .1em; margin: 0 0 1rem; }
.buyer-guide-page .bg-byline { color: #e7d2fb; font-size: .86rem; }
.buyer-guide-page .bg-purple { background: radial-gradient(ellipse at 10% 10%, rgba(132, 55, 193, .15), transparent 60%), linear-gradient(130deg, #160d26, #0c0818); border-block: 1px solid var(--bb-line); }
.buyer-guide-page .bg-jump { background: #110b1e; border-block: 1px solid var(--bb-line); }
.buyer-guide-page .bg-jump > .container { align-items: center; display: flex; flex-wrap: wrap; gap: .9rem 2rem; padding-block: 1.25rem; }
.buyer-guide-page .bg-jump span { color: #a293b6; font: .62rem ui-monospace, monospace; letter-spacing: .1em; }
.buyer-guide-page .bg-jump a { color: #dfc8f5; font-size: .8rem; padding-block: .2rem; }
.buyer-guide-page .bg-jump a:hover { color: #fff; }

/* Author card and the program-note visual. */
.buyer-guide-page .bg-author, .buyer-guide-page .bg-brief { background: linear-gradient(145deg, rgba(48, 23, 75, .9), rgba(16, 11, 29, .96)); border: 1px solid rgba(208, 153, 255, .3); border-radius: 1.5rem; box-shadow: 0 25px 80px rgba(0, 0, 0, .25); overflow: hidden; }
.buyer-guide-page .bg-author-portrait { align-items: flex-end; background: radial-gradient(ellipse at 50% 95%, rgba(189, 99, 255, .4), transparent 65%), linear-gradient(150deg, #27153e, #110b20); display: flex; height: 15rem; justify-content: center; overflow: hidden; }
.buyer-guide-page .bg-author-portrait img { height: 100%; object-fit: cover; object-position: center 30%; width: 100%; }
.buyer-guide-page .bg-author-copy { padding: 1.6rem 2rem 1.8rem; }
.buyer-guide-page .bg-author-copy .bg-label { margin-bottom: .5rem; }
.buyer-guide-page .bg-author-copy h2 { font-size: 1.9rem; letter-spacing: -.03em; margin: 0 0 .4rem; }
.buyer-guide-page .bg-author-copy p { color: #c8bdd6; font-size: .88rem; line-height: 1.8; margin-bottom: 1rem; }
.buyer-guide-page .bg-author-copy .bg-author-role { color: #deb7ff; font-size: .8rem; }
.buyer-guide-page .bg-author-links { display: flex; flex-wrap: wrap; gap: .65rem 1.3rem; }
.buyer-guide-page .bg-author-links a { color: #f0dfff; font-size: .75rem; }
.buyer-guide-page .bg-brief { padding: 2rem; }
.buyer-guide-page .bg-brief-top { align-items: center; color: #bea0d9; display: flex; font: .55rem ui-monospace, monospace; gap: 1rem; justify-content: space-between; letter-spacing: .09em; margin-bottom: 2rem; }
.buyer-guide-page .bg-brief-top i { color: #d0a3fb; font-size: 2.1rem; }
.buyer-guide-page .bg-brief h2 { font-size: 1.9rem; letter-spacing: -.04em; line-height: 1.25; margin: 0 0 1.5rem; }
.buyer-guide-page .bg-brief ul { list-style: none; margin: 0; padding: 0; }
.buyer-guide-page .bg-brief li { align-items: baseline; border-top: 1px solid var(--bb-line); color: #ded2ed; display: flex; font-size: .88rem; gap: .85rem; padding: 1rem 0; }
.buyer-guide-page .bg-brief li i { color: #c191ee; flex-shrink: 0; }
.buyer-guide-page .bg-brief-foot { color: #ab94c0; font: .52rem/1.7 ui-monospace, monospace; letter-spacing: .1em; margin: 1.2rem 0 0; }

/* Reading measure, cards, examples and answer rows. */
.buyer-guide-page .bg-editorial-intro { align-items: start; display: grid; gap: 3rem; grid-template-columns: 1fr 1.1fr; margin-bottom: 3rem; }
.buyer-guide-page .bg-editorial-intro .bb-intro { margin-bottom: 0; }
.buyer-guide-page .bg-two-up, .buyer-guide-page .bg-three-up { display: grid; gap: 1.5rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.buyer-guide-page .bg-three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.buyer-guide-page .bg-card, .buyer-guide-page .bg-scenario, .buyer-guide-page .bg-path-card { background: linear-gradient(140deg, rgba(100, 52, 145, .12), rgba(17, 12, 30, .7)); border: 1px solid var(--bb-line); border-radius: 1.1rem; min-width: 0; padding: 2rem; }
.buyer-guide-page .bg-card h3, .buyer-guide-page .bg-scenario h3, .buyer-guide-page .bg-path-card h3 { font-size: 1.5rem; letter-spacing: -.035em; line-height: 1.3; margin: 0 0 1.25rem; }
.buyer-guide-page .bg-card p, .buyer-guide-page .bg-scenario p, .buyer-guide-page .bg-path-card p { color: var(--bb-muted); font-size: .95rem; line-height: 1.85; margin-bottom: 1.1rem; }
.buyer-guide-page .bg-card > :last-child, .buyer-guide-page .bg-scenario > :last-child, .buyer-guide-page .bg-path-card > :last-child { margin-bottom: 0; }
.buyer-guide-page .bg-card .bg-label, .buyer-guide-page .bg-scenario .bg-label { color: #c99bf5; font-size: .61rem; line-height: 1.7; }
.buyer-guide-page .bg-card .bg-card-icon { color: #d3a4ff; display: block; font-size: 2.4rem; margin-bottom: 1.5rem; }
.buyer-guide-page .bg-card-number { color: #c99bf5; display: block; font: .8rem ui-monospace, monospace; margin-bottom: 1.5rem; }
.buyer-guide-page .bg-card-accent { background: linear-gradient(140deg, rgba(128, 62, 185, .22), rgba(17, 12, 30, .7)); border-color: rgba(205, 148, 255, .35); }
.buyer-guide-page .bg-checks { color: #c9bfd7; font-size: .95rem; line-height: 1.85; list-style: none; margin: 0; padding: 0; }
.buyer-guide-page .bg-checks li { border-bottom: 1px solid var(--bb-line); padding: .9rem 0 .9rem 1.4rem; position: relative; }
.buyer-guide-page .bg-checks li::before { color: #c597f1; content: "+"; font: 1rem ui-monospace, monospace; left: 0; position: absolute; top: 1.15rem; }
.buyer-guide-page .bg-checks li:first-child { padding-top: 0; }
.buyer-guide-page .bg-checks li:first-child::before { top: .25rem; }
.buyer-guide-page .bg-checks li:last-child { border-bottom: 0; }
.buyer-guide-page .bg-checks + p { margin-top: 1.3rem; }
.buyer-guide-page .bg-answer-list { border-top: 1px solid var(--bb-line); }
.buyer-guide-page .bg-answer { border-bottom: 1px solid var(--bb-line); display: grid; gap: 2.5rem; grid-template-columns: 5rem minmax(0, 1fr); padding: 2.8rem 0; }
.buyer-guide-page .bg-answer-number { background: linear-gradient(145deg, #2f1949, #120c20); border: 1px solid rgba(194, 139, 241, .28); border-radius: 50%; color: #d3a9f7; display: grid; font: .9rem ui-monospace, monospace; height: 3.2rem; place-items: center; width: 3.2rem; }
.buyer-guide-page .bg-answer h3 { font-size: clamp(1.3rem, 2vw, 1.85rem); letter-spacing: -.03em; line-height: 1.4; margin: 0 0 1.3rem; max-width: 48rem; }
.buyer-guide-page .bg-answer p { color: #c8bfd6; font-size: 1rem; line-height: 1.95; margin: 0; max-width: 49rem; }
.buyer-guide-page .bg-scenario-decision { border-left: 2px solid #af6fec; margin: 1.6rem 0; padding-left: 1.3rem; }
.buyer-guide-page .bg-scenario-decision > span { color: #dec1fa; display: block; font-size: .8rem; font-weight: 600; margin-bottom: .6rem; }
.buyer-guide-page .bg-scenario strong { color: #eadcf8; }
.buyer-guide-page .bg-scenario-wide { margin-top: 2rem; max-width: 62rem; }
.buyer-guide-page .bg-callout { align-items: start; background: linear-gradient(120deg, rgba(131, 64, 188, .17), rgba(11, 9, 21, .6)); border: 1px solid rgba(194, 139, 241, .3); border-radius: 1rem; display: flex; gap: 1.5rem; margin-top: 2rem; padding: 2rem; }
.buyer-guide-page .bg-callout > i { color: #c99bf5; flex-shrink: 0; font-size: 2.2rem; }
.buyer-guide-page .bg-callout h2, .buyer-guide-page .bg-callout h3 { font-size: 1.4rem; letter-spacing: -.025em; line-height: 1.4; margin-bottom: .8rem; }
.buyer-guide-page .bg-callout p { color: #c9bfd7; font-size: .95rem; line-height: 1.85; margin: 0; max-width: 58rem; }
.buyer-guide-page .bg-path-label, .buyer-guide-page .bg-status { align-items: center; color: #cba1ef; display: flex; font: .64rem/1.7 ui-monospace, monospace; gap: .7rem; letter-spacing: .07em; margin-bottom: 1.5rem; }
.buyer-guide-page .bg-path-label i, .buyer-guide-page .bg-status i { font-size: 1.6rem; }

/* An accessible responsibility table becomes labeled activity cards on small screens. */
.buyer-guide-page .bg-responsibility-table { border: 1px solid var(--bb-line); border-radius: 1rem; overflow: hidden; position: relative; }
.buyer-guide-page .bg-responsibility-row { display: grid; grid-template-columns: .9fr 1fr 1fr 1fr; }
.buyer-guide-page .bg-responsibility-row + .bg-responsibility-row { border-top: 1px solid var(--bb-line); }
.buyer-guide-page .bg-responsibility-row > div { color: #c8bfd6; font-size: .86rem; line-height: 1.85; min-width: 0; padding: 1.5rem; }
.buyer-guide-page .bg-responsibility-row > div + div { border-left: 1px solid var(--bb-line); }
.buyer-guide-page .bg-responsibility-row > [role="rowheader"] { background: rgba(109, 52, 156, .11); color: #eadcf8; font-size: .92rem; font-weight: 600; }
.buyer-guide-page .bg-responsibility-row > [role="rowheader"] i { color: #bf8ae8; display: block; font-size: 1.2rem; margin-bottom: .6rem; }
.buyer-guide-page .bg-responsibility-head { background: #28163d; }
.buyer-guide-page .bg-responsibility-head > div { color: #eeddfd; font-size: .75rem; font-weight: 600; }
.buyer-guide-page .bg-cell-label { display: none; }
.buyer-guide-page .bg-caption { color: #b4a5c6; font-size: .8rem; line-height: 1.8; margin: 1.2rem 0 0; max-width: 58rem; }

/* First-month phases: visible ownership, separate program tracks, tangible outputs. */
.buyer-guide-page .bg-phase { display: grid; gap: 2rem; grid-template-columns: 6rem minmax(0, 1fr); padding-bottom: 3rem; position: relative; }
.buyer-guide-page .bg-phase:last-child { padding-bottom: 0; }
.buyer-guide-page .bg-phase::before { background: linear-gradient(#a066d3, rgba(160, 102, 211, .15)); bottom: 0; content: ""; left: 1.75rem; position: absolute; top: 3.5rem; width: 1px; }
.buyer-guide-page .bg-phase:last-child::before { display: none; }
.buyer-guide-page .bg-phase-marker { position: relative; }
.buyer-guide-page .bg-phase-marker > span { background: linear-gradient(145deg, #44215f, #180e29); border: 1px solid #7f4caa; border-radius: 50%; color: #e0b8ff; display: grid; font: .9rem ui-monospace, monospace; height: 3.5rem; place-items: center; width: 3.5rem; }
.buyer-guide-page .bg-phase-marker > p { background: #090713; color: #b793d5; font: .55rem/1.8 ui-monospace, monospace; left: -.15rem; letter-spacing: .08em; margin: 1rem 0 0; padding: .5rem 0; position: relative; width: 4rem; }
.buyer-guide-page .bg-phase-body { background: linear-gradient(125deg, #1e102e, #0f0b1c 75%); border: 1px solid var(--bb-line); border-radius: 1.2rem; overflow: hidden; padding: 2.5rem; }
.buyer-guide-page .bg-phase-body > h3 { font-size: clamp(1.5rem, 2.3vw, 2.1rem); letter-spacing: -.04em; line-height: 1.3; margin-bottom: 1.2rem; }
.buyer-guide-page .bg-phase-body p { color: #c7bdd4; font-size: .95rem; line-height: 1.85; }
.buyer-guide-page .bg-phase-body > .bg-label { color: #cc9cf6; font-size: .63rem; }
.buyer-guide-page .bg-phase-roles { display: grid; gap: 2rem; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 2rem 0; }
.buyer-guide-page .bg-phase-roles h4 { color: #e5cdfb; font-size: .9rem; margin-bottom: .8rem; }
.buyer-guide-page .bg-phase-roles p { font-size: .88rem; margin: 0; }
.buyer-guide-page .bg-tracks { background: rgba(7, 4, 16, .45); border: 1px solid var(--bb-line); border-radius: .8rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.buyer-guide-page .bg-tracks > div { min-width: 0; padding: 1.5rem; }
.buyer-guide-page .bg-tracks > div + div { border-left: 1px solid var(--bb-line); }
.buyer-guide-page .bg-tracks span { align-items: center; color: #c699ee; display: flex; font: .58rem/1.8 ui-monospace, monospace; gap: .7rem; letter-spacing: .07em; margin-bottom: .8rem; }
.buyer-guide-page .bg-tracks span i { font-size: 1.3rem; }
.buyer-guide-page .bg-tracks p { font-size: .85rem; margin: 0; }
.buyer-guide-page .bg-phase-body .bg-output { color: #cdbbdf; font-size: .85rem; margin: 1.6rem 0 0; }
.buyer-guide-page .bg-output strong { color: #e8d3f8; display: block; font-size: .75rem; margin-bottom: .3rem; }

/* Related guides are reusable on the older service pages without restyling them. */
.buyer-guide-links { background: radial-gradient(ellipse at 90% 20%, rgba(120, 49, 177, .16), transparent 60%), #0d0919; border-top: 1px solid rgba(207, 181, 255, .17); color: #f8f5ff; padding: 5.5rem 0; }
.buyer-guide-links .bg-links-heading { align-items: end; display: flex; gap: 2rem; justify-content: space-between; margin-bottom: 2.5rem; }
.buyer-guide-links .bg-links-heading h2 { color: #f8f5ff; font-size: clamp(1.8rem, 2.8vw, 2.7rem); letter-spacing: -.04em; line-height: 1.2; margin: 0; max-width: 34rem; }
.buyer-guide-links .bg-links-heading > p { color: #c0b9d0; font-size: .95rem; line-height: 1.85; margin: 0; max-width: 25rem; }
.buyer-guide-links .bg-links-grid { display: grid; gap: 1.3rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); }
.buyer-guide-links .bg-links-grid-four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.buyer-guide-links .bg-guide-link { background: linear-gradient(145deg, rgba(99, 49, 146, .16), rgba(18, 12, 32, .6)); border: 1px solid rgba(207, 181, 255, .2); border-radius: 1rem; color: #f4e9ff; display: flex; flex-direction: column; min-width: 0; padding: 1.8rem; text-decoration: none; transition: background .2s, border-color .2s; }
.buyer-guide-links .bg-guide-link:hover { background: linear-gradient(145deg, rgba(122, 62, 179, .3), rgba(30, 17, 48, .8)); border-color: #9564bb; text-decoration: none; }
.buyer-guide-links .bg-guide-link:focus-visible { outline: 3px solid #8ae1ff; outline-offset: 5px; }
.buyer-guide-links .bg-guide-link-top { align-items: center; color: #c59bea; display: flex; font: .58rem/1.7 ui-monospace, monospace; gap: .8rem; letter-spacing: .04em; margin-bottom: 1.8rem; text-transform: uppercase; }
.buyer-guide-links .bg-guide-link-top i { font-size: 1.8rem; }
.buyer-guide-links .bg-guide-link h3 { color: #f4e9ff; font-size: 1.25rem; letter-spacing: -.025em; line-height: 1.4; margin: 0 0 1rem; }
.buyer-guide-links .bg-guide-link p { color: #bfb2cc; font-size: .86rem; line-height: 1.85; margin-bottom: 1.6rem; }
.buyer-guide-links .bg-guide-link-action { align-items: center; color: #e0c0fb; display: flex; font-size: .78rem; gap: .8rem; justify-content: space-between; margin-top: auto; }

@media (max-width: 1199.98px) {
    .buyer-guide-links .bg-links-grid-four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .buyer-guide-page .bg-three-up { gap: 1rem; }
    .buyer-guide-page .bg-card { padding: 1.5rem; }
    .buyer-guide-page .bg-responsibility-row > div { padding: 1.2rem; }
    .buyer-guide-page .bg-author-copy { padding-inline: 1.5rem; }
}
@media (max-width: 991.98px) {
    .buyer-guide-page .bg-author, .buyer-guide-page .bg-brief { margin-inline: auto; max-width: 34rem; }
    .buyer-guide-page .bg-editorial-intro { gap: 1rem; grid-template-columns: 1fr; }
    .buyer-guide-page .bg-three-up { grid-template-columns: 1fr; }
    .buyer-guide-page .bg-card { padding: 2rem; }
    .buyer-guide-page .bg-phase { gap: 1rem; grid-template-columns: 4.5rem minmax(0, 1fr); }
    .buyer-guide-page .bg-phase-body { padding: 2rem; }
    .buyer-guide-page .bg-responsibility-head { clip-path: inset(50%); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }
    .buyer-guide-page .bg-responsibility-row:not(.bg-responsibility-head) { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .buyer-guide-page .bg-responsibility-row > [role="rowheader"] { align-items: center; display: flex; gap: .7rem; grid-column: 1 / -1; padding-block: 1rem; }
    .buyer-guide-page .bg-responsibility-row > [role="rowheader"] i { margin: 0; }
    .buyer-guide-page .bg-responsibility-row > [role="cell"] { border-top: 1px solid var(--bb-line); font-size: .87rem; }
    .buyer-guide-page .bg-responsibility-row > [role="cell"]:nth-child(2) { border-left: 0; }
    .buyer-guide-page .bg-cell-label { color: #d9b8f3; display: block; font-size: .7rem; font-weight: 600; margin-bottom: .7rem; }
    .buyer-guide-links .bg-links-heading { align-items: start; flex-direction: column; gap: 1rem; }
    .buyer-guide-links .bg-links-heading > p { max-width: 40rem; }
}
@media (max-width: 767.98px) {
    .buyer-guide-page .bg-two-up { grid-template-columns: 1fr; }
    .buyer-guide-page .bg-answer { gap: 1rem; grid-template-columns: 3rem minmax(0, 1fr); }
    .buyer-guide-page .bg-answer-number { font-size: .75rem; height: 2.4rem; width: 2.4rem; }
    .buyer-guide-page .bg-answer p { font-size: .95rem; }
    .buyer-guide-page .bg-phase-roles, .buyer-guide-page .bg-tracks { grid-template-columns: 1fr; }
    .buyer-guide-page .bg-tracks > div + div { border-left: 0; border-top: 1px solid var(--bb-line); }
    .buyer-guide-page .bg-callout { flex-direction: column; gap: 1rem; }
    .buyer-guide-page .bg-responsibility-row:not(.bg-responsibility-head) { grid-template-columns: 1fr; }
    .buyer-guide-page .bg-responsibility-row > [role="cell"] { border-left: 0; }
    .buyer-guide-links { padding-block: 4rem; }
}
@media (max-width: 575.98px) {
    .buyer-guide-links .bg-links-grid-four { grid-template-columns: 1fr; }
    .buyer-guide-page .bb-hero { padding-bottom: 3.5rem; }
    .buyer-guide-page .bb-hero h1 { font-size: clamp(2.4rem, 9.2vw, 3.2rem); }
    .buyer-guide-page .bb-breadcrumb { line-height: 1.8; }
    .buyer-guide-page .bg-jump > .container { gap: .65rem 1.15rem; padding-block: 1rem; }
    .buyer-guide-page .bg-jump span { flex-basis: 100%; }
    .buyer-guide-page .bg-jump a { font-size: .74rem; }
    .buyer-guide-page .bg-author-portrait { height: 13rem; }
    .buyer-guide-page .bg-author-copy, .buyer-guide-page .bg-brief, .buyer-guide-page .bg-card, .buyer-guide-page .bg-scenario, .buyer-guide-page .bg-path-card, .buyer-guide-page .bg-callout { padding: 1.5rem; }
    .buyer-guide-page .bg-editorial-intro { margin-bottom: 2rem; }
    .buyer-guide-page .bg-answer { grid-template-columns: 1fr; padding-block: 2rem; }
    .buyer-guide-page .bg-answer h3 { font-size: 1.35rem; }
    .buyer-guide-page .bg-phase { gap: .85rem; grid-template-columns: 1fr; }
    .buyer-guide-page .bg-phase::before { display: none; }
    .buyer-guide-page .bg-phase-marker { align-items: center; display: flex; gap: 1rem; }
    .buyer-guide-page .bg-phase-marker > span { height: 2.7rem; width: 2.7rem; }
    .buyer-guide-page .bg-phase-marker > p { margin: 0; width: auto; }
    .buyer-guide-page .bg-phase-body { padding: 1.4rem; }
    .buyer-guide-page .bg-tracks > div { padding: 1.1rem; }
    .buyer-guide-page .bg-phase-roles { gap: 1.2rem; }
    .buyer-guide-links { padding-block: 3.6rem; }
    .buyer-guide-links > .container { padding-inline: 1.35rem; }
    .buyer-guide-links .bg-guide-link { padding: 1.5rem; }
}
@media (prefers-reduced-motion: reduce) {
    .buyer-guide-links .bg-guide-link { transition: none; }
}