/* Bluefront AI: components used by the solution, service, insight, industry and calculator pages.
   All colours use theme tokens, so light and dark both work. */

.bf-page-hero { padding-block: calc(8.5rem * var(--scale, 1)) 5rem; }
.bf-crumbs { margin: 0 0 1.25rem; font: 600 0.74rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); }
.bf-crumbs a { color: var(--muted-2); }
.bf-crumbs a:hover { color: var(--accent); }
.bf-crumbs b { color: var(--accent); font-weight: 600; }
.bf-page-hero h1 { max-width: 15ch; }
.bf-page-hero .lede { margin-top: 1.5rem; max-width: 52ch; }
.bf-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.bf-btn-ghost { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.85rem 1.4rem; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--ink); font-weight: 500; background: rgba(var(--card-rgb), 0.6); }
.bf-btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Sheet: the blueprint style example panel ---------- */
.bf-sheet { position: relative; padding: 1.4rem 1.6rem 1.5rem; border-radius: 1.6rem; background: var(--card); border: 1px solid var(--border); box-shadow: 0 40px 90px -44px rgba(var(--shadow-rgb), 0.5); overflow: hidden; }
.bf-sheet::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(var(--ink-rgb), 0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--ink-rgb), 0.045) 1px, transparent 1px); background-size: 34px 34px; -webkit-mask-image: linear-gradient(180deg, #000, transparent 70%); mask-image: linear-gradient(180deg, #000, transparent 70%); }
.bf-sheet > * { position: relative; }
.bf-sheet__bar { display: flex; align-items: center; justify-content: space-between; padding-bottom: 0.9rem; border-bottom: 1px solid var(--border); }
.bf-sheet__id { font: 600 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.bf-sheet__dots { display: inline-flex; gap: 0.3rem; }
.bf-sheet__dots i { width: 8px; height: 8px; border-radius: 50%; background: rgba(var(--ink-rgb), 0.16); }
.bf-sheet__title { margin: 1.2rem 0 0.9rem; font-size: 1.35rem; font-weight: 600; letter-spacing: -0.02em; color: var(--ink); }
.bf-sheet__rows { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.bf-sheet__rows li { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.8rem 1rem; border-radius: 0.9rem; background: rgba(var(--ink-rgb), 0.035); border: 1px solid rgba(var(--ink-rgb), 0.06); font-size: 0.98rem; color: var(--muted); }
.bf-sheet__rows li b { font-weight: 600; font-size: 0.88rem; color: var(--ink); padding: 0.28rem 0.7rem; border-radius: 999px; background: rgba(var(--ink-rgb), 0.06); white-space: nowrap; }
.bf-sheet__rows li.is-ok b { color: #1a7f45; background: rgba(34, 160, 90, 0.14); }
.bf-sheet__rows li.is-warn b { color: #9a5b00; background: rgba(245, 170, 40, 0.2); }
.bf-sheet__rows li.is-info b { color: var(--accent); background: rgba(var(--accent-rgb), 0.12); }
html[data-theme="dark"] .bf-sheet__rows li.is-ok b { color: #7be0a8; }
html[data-theme="dark"] .bf-sheet__rows li.is-warn b { color: #ffcf7a; }
.bf-sheet__bars { display: grid; gap: 0.65rem; margin-top: 1.1rem; }
.bf-bar { display: grid; grid-template-columns: 3.2rem 1fr 2.6rem; align-items: center; gap: 0.8rem; font-size: 0.9rem; color: var(--muted); }
.bf-bar i { display: block; height: 10px; border-radius: 99px; background: rgba(var(--ink-rgb), 0.08); position: relative; overflow: hidden; }
.bf-bar i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: calc(var(--v) * 1%); border-radius: inherit; background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.55), var(--accent)); }
.bf-bar.is-hot i::after { background: linear-gradient(90deg, #f6b73c, #e8890c); }
.bf-bar b { font-weight: 600; font-size: 0.85rem; color: var(--ink); text-align: right; }
.bf-sheet__note { margin: 1.1rem 0 0; font-size: 0.85rem; color: var(--muted-2); }

/* ---------- Content sections ---------- */
.bf-section-head { max-width: 46rem; margin-bottom: 3rem; }
.bf-section-head h2 { margin-top: 1rem; }
.bf-section-head p { margin-top: 1.1rem; color: var(--muted); font-size: 1.1rem; line-height: 1.6; max-width: 58ch; }
.bf-pain { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.bf-pain li { padding: 1.6rem; border-radius: 1.4rem; border: 1px solid var(--border); background: var(--card); color: var(--muted); font-size: 1.05rem; line-height: 1.55; }
.bf-pain li span { display: block; margin-bottom: 1.1rem; font-size: 1.6rem; font-weight: 500; letter-spacing: -0.02em; color: var(--muted-2); }
.bf-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.bf-cards--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bf-card { display: flex; flex-direction: column; gap: 0.85rem; padding: 1.7rem; border-radius: 1.5rem; border: 1px solid var(--border); background: var(--card); transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease); }
a.bf-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 24px 50px -30px rgba(var(--accent-rgb), 0.5); }
.bf-card__icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--accent-soft); color: var(--accent); }
.bf-card h3 { margin: 0; font-size: 1.3rem; font-weight: 600; letter-spacing: -0.02em; color: var(--ink); }
.bf-card p { margin: 0; color: var(--muted); font-size: 1.02rem; line-height: 1.55; }
.bf-card__more { margin-top: auto; font-weight: 600; color: var(--accent); font-size: 0.95rem; }
.bf-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; counter-reset: step; }
.bf-steps li { position: relative; padding: 1.8rem 1.6rem 1.6rem; border-radius: 1.5rem; background: var(--card); border: 1px solid var(--border); }
.bf-steps li::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 1.2rem; font: 600 0.78rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: 0.14em; color: var(--accent); }
.bf-steps li:not(:last-child)::after { content: ""; position: absolute; top: 2.4rem; right: -1.5rem; width: 1.5rem; height: 2px; background: linear-gradient(90deg, var(--accent), transparent); }
.bf-steps h3 { margin: 0 0 0.6rem; font-size: 1.35rem; font-weight: 600; letter-spacing: -0.02em; color: var(--ink); }
.bf-steps p { margin: 0; color: var(--muted); line-height: 1.55; }
.bf-split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.bf-split h2 { margin-top: 1rem; }
.bf-split p { margin-top: 1.2rem; color: var(--muted); font-size: 1.1rem; line-height: 1.65; max-width: 54ch; }
.bf-checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.9rem; }
.bf-checks li { position: relative; padding: 1rem 1.2rem 1rem 3.2rem; border-radius: 1.1rem; border: 1px solid var(--border); background: var(--card); color: var(--ink); line-height: 1.5; }
.bf-checks li::before { content: ""; position: absolute; left: 1.15rem; top: 1.15rem; width: 1.15rem; height: 1.15rem; border-radius: 50%; background: var(--accent); }
.bf-checks li::after { content: ""; position: absolute; left: 1.5rem; top: 1.3rem; width: 0.3rem; height: 0.55rem; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(40deg); }
.bf-outcome { margin-top: 1.6rem; padding: 1.4rem 1.6rem; border-radius: 1.3rem; background: var(--accent-soft); border: 1px solid rgba(var(--accent-rgb), 0.25); color: var(--ink); font-size: 1.1rem; line-height: 1.5; }
.bf-outcome b { display: block; margin-bottom: 0.4rem; font: 600 0.72rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }

/* ---------- Articles ---------- */
.bf-meta { display: flex; flex-wrap: wrap; gap: 0.6rem 1.2rem; margin-top: 1.5rem; font: 600 0.74rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-2); }
.bf-article { max-width: 44rem; margin-inline: auto; }
.bf-article h2 { margin: 2.6rem 0 0.9rem; font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 600; letter-spacing: -0.025em; color: var(--ink); }
.bf-article p, .bf-article li { color: var(--muted); font-size: 1.14rem; line-height: 1.75; }
.bf-article p { margin: 0 0 1.1rem; }
.bf-article ul, .bf-article ol { margin: 0 0 1.4rem; padding-left: 1.3rem; display: grid; gap: 0.55rem; }
.bf-article strong { color: var(--ink); font-weight: 600; }
.bf-article blockquote { margin: 2rem 0; padding: 1.3rem 1.6rem; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 1rem 1rem 0; color: var(--ink); font-size: 1.25rem; line-height: 1.5; }
.bf-stages { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.8rem; margin: 1.6rem 0 2rem; }
.bf-stage { padding: 1rem; border-radius: 1rem; border: 1px solid var(--border); background: var(--card); font-size: 0.95rem; color: var(--muted); }
.bf-stage b { display: block; margin-bottom: 0.3rem; color: var(--ink); font-size: 1.05rem; }
.bf-stage em { display: block; margin-bottom: 0.5rem; font-style: normal; font: 600 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: 0.14em; color: var(--accent); }
.bf-more { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border); }

@media (max-width: 980px) {
  .bf-pain, .bf-steps, .bf-cards--3, .bf-split { grid-template-columns: 1fr; }
  .bf-steps li:not(:last-child)::after { display: none; }
  .bf-cards { grid-template-columns: 1fr; }
  .bf-stages { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bf-page-hero h1 { max-width: 20ch; }
}

/* Page hero grid (also defined in pipeline.css, which these pages do not load) */
.bf-page-hero .page-hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.bf-page-hero .page-hero__grid > :only-child { grid-column: 1 / -1; }
@media (max-width: 940px) { .bf-page-hero .page-hero__grid { grid-template-columns: 1fr; gap: 2.2rem; } }

/* Links inside homepage cards */
a.bf-inline { color: inherit; }
a.bf-inline:hover { color: var(--accent); }
.bf-more-link { margin-top: 1.6rem; }