/* Solutions hub + 6 solution pages. Self-contained; linked only from solutions*.html. */

/* ---------- hero ---------- */
.sol-hero { padding-bottom: clamp(56px, 8vw, 104px); }
.sol-hero h1 { max-width: 16em; }
.sol-hero .lede { max-width: 42em; }
.sol-for { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center; max-width: 44rem; }
.sol-for__label { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: #8a93a8; margin-right: 4px; }
.sol-for .tag { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); color: #c9cfdd; font-size: .76rem; padding: 7px 12px; }

/* ---------- section intro note ---------- */
.sol-note { display: flex; gap: 12px; align-items: flex-start; max-width: 46rem; margin: 0 auto clamp(28px, 4vw, 44px); padding: 14px 18px; border-radius: var(--r-md); background: var(--surface); border: 1px dashed var(--line-strong); color: var(--fg-2); font-size: .94rem; line-height: 1.5; }
.sol-note__ic { flex: none; width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; background: rgba(255,122,26,.14); color: var(--orange-ink); }
.sol-note__ic svg { width: 16px; height: 16px; }

/* ---------- example workflow cards ---------- */
.sol-flows { display: grid; gap: clamp(18px, 2.4vw, 28px); }
.sol-flow { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 8fr); gap: clamp(20px, 3vw, 40px); align-items: center; padding: clamp(22px, 3vw, 36px); border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--card-shadow); }
.sol-flow__copy { display: grid; gap: 12px; align-content: start; justify-items: start; }
.sol-flow__copy h3 { font-size: clamp(1.25rem, 1.8vw, 1.5rem); }
.sol-flow__copy p { color: var(--fg-2); font-size: .98rem; line-height: 1.55; }
.sol-flow__tag { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; padding: 5px 10px; border-radius: var(--r-pill); background: var(--surface-2); border: 1px solid var(--line); color: var(--accent-text); }
.sol-flow__tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.sol-nodes { display: grid; grid-template-columns: repeat(var(--n, 5), minmax(0, 1fr)); gap: 16px; min-width: 0; }
.sol-node { --k: var(--fg-2); position: relative; display: grid; gap: 8px; align-content: start; min-width: 0; padding: 14px 12px 16px; border-radius: var(--r-md); background: var(--surface-2); border: 1px solid var(--line); }
.sol-node + .sol-node::before { content: ''; position: absolute; top: 31px; left: -17px; width: 16px; height: 2px; background: var(--line-strong); }
.sol-node + .sol-node::after { content: ''; position: absolute; top: 27px; left: -9px; width: 8px; height: 8px; border-top: 2px solid var(--line-strong); border-right: 2px solid var(--line-strong); transform: rotate(45deg); }
.sol-node__ic { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: color-mix(in srgb, var(--k) 16%, transparent); color: var(--k); }
.sol-node__ic svg { width: 19px; height: 19px; }
.sol-node__kind { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: var(--k); }
.sol-node__name { font-weight: 600; font-size: .92rem; letter-spacing: -0.01em; line-height: 1.25; color: var(--fg); }
.sol-node__d { font-size: .8rem; line-height: 1.4; color: var(--fg-2); }
.sol-node--trigger { --k: #0e9f87; }
.sol-node--knowledge { --k: var(--violet); }
.sol-node--agent { --k: #d4600c; }
.sol-node--tool { --k: #5a3be0; }
.sol-node--decision { --k: #4a5262; }
.sol-node--output { --k: #10131a; }
.sol-node--approval { --k: var(--orange-ink); border-color: rgba(255,122,26,.55); background: linear-gradient(180deg, rgba(255,122,26,.1), rgba(255,122,26,.03)); box-shadow: 0 0 0 3px rgba(255,122,26,.08); }
.sol-node--approval .sol-node__ic { background: var(--orange); color: var(--ink); }

/* node colours on dark sections */
.theme-dark .sol-node--trigger, .theme-ink .sol-node--trigger { --k: var(--teal); }
.theme-dark .sol-node--knowledge, .theme-ink .sol-node--knowledge { --k: var(--violet-2); }
.theme-dark .sol-node--agent, .theme-ink .sol-node--agent { --k: var(--orange-2); }
.theme-dark .sol-node--tool, .theme-ink .sol-node--tool { --k: var(--violet-2); }
.theme-dark .sol-node--decision, .theme-ink .sol-node--decision { --k: #a9b1c3; }
.theme-dark .sol-node--output, .theme-ink .sol-node--output { --k: #f3f4f8; }
.theme-dark .sol-node--approval, .theme-ink .sol-node--approval { --k: var(--orange-2); }

/* ---------- governance ---------- */
.sol-gov { overflow: hidden; }
.sol-gov::before { content: ''; position: absolute; inset: 0; background: radial-gradient(50% 60% at 90% 30%, rgba(109,74,255,.16), transparent 70%), radial-gradient(40% 40% at 0% 100%, rgba(255,122,26,.09), transparent 70%); pointer-events: none; }
.sol-gov > .wrap { position: relative; z-index: 1; }
.sol-gov__grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.sol-gov__copy { display: grid; gap: 18px; justify-items: start; }
.sol-gov__copy h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
.sol-gov .gov__list { margin-top: 10px; width: 100%; }
.sol-gov__visual { min-width: 0; }
.sol-gov__visual .frame { transform: none; box-shadow: 0 0 0 1px rgba(0,0,0,.5), 0 40px 100px -24px rgba(0,0,0,.7), 0 0 100px -30px rgba(109,74,255,.35); }
.sol-gov__visual .media > img { object-position: var(--pos, left top); }
.sol-gov__cap { margin-top: 14px; color: var(--fg-3); font-size: .86rem; }

/* ---------- related ---------- */
.sol-rel { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(14px, 2vw, 22px); }
.sol-rel__card { display: grid; gap: 12px; align-content: start; padding: 24px 22px 22px; min-height: 48px; border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--card-shadow); transition: transform .5s var(--ease-out), box-shadow .5s var(--ease-out), border-color .3s; }
.sol-rel__card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.sol-rel__card p { color: var(--fg-2); font-size: .94rem; line-height: 1.5; }
.sol-rel__go { display: inline-flex; align-items: center; gap: 8px; margin-top: 4px; font-weight: 600; font-size: .92rem; color: var(--accent-text); }
.sol-rel__go svg { width: 14px; height: 14px; transition: transform .35s var(--ease-out); }
.sol-rel__card:hover .sol-rel__go svg { transform: translateX(3px); }

.sol-ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(145deg, rgba(255,122,26,.18), rgba(109,74,255,.18)); border: 1px solid var(--line); color: var(--orange-ink); }
.sol-ic svg { width: 21px; height: 21px; }
.theme-dark .sol-ic { color: var(--orange-2); }

/* ---------- hub ---------- */
.sol-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 2vw, 24px); }
.sol-card { display: grid; gap: 14px; align-content: start; padding: clamp(22px, 2.6vw, 30px); border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--card-shadow); transition: transform .5s var(--ease-out), box-shadow .5s var(--ease-out), border-color .3s; }
.sol-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.sol-card__for { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-text); }
.sol-card p { color: var(--fg-2); font-size: .97rem; line-height: 1.55; }
.sol-chain { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding-top: 14px; border-top: 1px solid var(--line); }
.sol-chain__step { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .02em; padding: 5px 9px; border-radius: var(--r-pill); background: var(--surface-2); border: 1px solid var(--line); color: var(--fg-2); }
.sol-chain__step--ok { background: rgba(255,122,26,.12); border-color: rgba(255,122,26,.45); color: var(--orange-ink); }
.sol-chain__sep { width: 10px; height: 10px; color: var(--fg-3); flex: none; }

.sol-shape { padding: clamp(22px, 3vw, 36px); border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--card-shadow); }

.sol-caps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.sol-cap { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start; padding: 22px 22px 24px; background: var(--surface); }
.sol-cap strong { display: block; font-size: 1.02rem; letter-spacing: -0.01em; }
.sol-cap p { color: var(--fg-2); font-size: .92rem; line-height: 1.45; margin-top: 3px; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .sol-flow { grid-template-columns: 1fr; align-items: stretch; }
  .sol-rel { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sol-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sol-caps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .sol-gov__grid { grid-template-columns: 1fr; }
  .sol-nodes { grid-template-columns: 1fr; gap: 18px; }
  .sol-node { grid-template-columns: 36px minmax(0, 1fr); column-gap: 14px; row-gap: 2px; align-items: start; padding: 12px 14px; }
  .sol-node__ic { grid-row: 1 / span 3; }
  .sol-node + .sol-node::before { top: -19px; left: 31px; width: 2px; height: 18px; }
  .sol-node + .sol-node::after { top: -12px; left: 28px; transform: rotate(135deg); }
}
@media (max-width: 640px) {
  .sol-rel, .sol-cards, .sol-caps { grid-template-columns: 1fr; }
  .sol-for { justify-content: flex-start; }
  .sol-hero .sol-for { justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  .sol-card, .sol-rel__card { transition: none; }
  .sol-card:hover, .sol-rel__card:hover { transform: none; }
}