/* Astartis Lab — brand page (extends site.css) */
.brand .nav { opacity: 1; transform: none; }
.h3 { font: 400 clamp(36px, 4.8vw, 68px)/1.02 var(--serif); letter-spacing: -.01em; max-width: 16ch; margin-bottom: 28px; }
.h3 em { color: var(--corona); }

.b-hero { position: relative; z-index: 2; padding-top: clamp(140px, 22vh, 220px); }
.b-hero .h2 { max-width: 11ch; }
.b-hero__mark { margin: clamp(60px, 9vw, 120px) auto 0; max-width: 720px; }
.b-hero__mark img { width: 100%; height: auto; }

.b-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 100px); align-items: center; }
.b-split p:not(.label) { color: var(--ink-2); max-width: 46ch; margin-bottom: 18px; }
.b-specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; margin-top: 34px; border-top: 1px solid var(--line); }
.b-specs div { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 11px; }
.b-specs div:nth-child(odd) { padding-right: 20px; border-right: 1px solid var(--line); }
.b-specs div:nth-child(even) { padding-left: 20px; }
.b-specs dt { color: var(--ink-3); }
.b-specs dd { margin: 0; color: var(--ink); }

.b-construct { padding: 24px; border-radius: 28px; border: 1px solid var(--line); background: rgba(8, 10, 20, .55); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.b-construct svg { width: 100%; height: auto; overflow: visible; }
.b-grid path { stroke: rgba(237, 232, 223, .06); stroke-width: 1; }
.b-guides circle, .b-guides path { fill: none; stroke: rgba(89, 194, 255, .8); stroke-width: 1; stroke-dasharray: 4 5; }
.b-guides .b-guide--alt { stroke: rgba(255, 157, 92, .8); }
.b-guides .b-guide--soft { stroke: rgba(237, 232, 223, .18); }
.b-guides .b-guide--axis { stroke: rgba(237, 232, 223, .12); stroke-dasharray: 2 6; }
.b-solid path { fill: rgba(237, 232, 223, .9); }
.b-dims path { fill: none; stroke: var(--corona); stroke-width: 1; }
.b-dims text { fill: rgba(237, 232, 223, .7); font-size: 11px; letter-spacing: .1em; }
.b-dims .b-dim--alt { fill: rgba(255, 157, 92, .8); }
.b-dims .b-dim--blue { fill: rgba(89, 194, 255, .95); }
.b-legend path { fill: none; stroke-width: 1.4; stroke-dasharray: 4 4; }
.b-dot { fill: var(--corona); }
.b-construct figcaption { margin-top: 16px; color: var(--ink-4); font-size: 10px; letter-spacing: .12em; text-transform: none; }

.b-cards { margin-top: clamp(40px, 6vw, 70px); display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.b-card { display: flex; flex-direction: column; border-radius: 22px; border: 1px solid var(--line); background: rgba(10, 12, 22, .5); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); overflow: hidden; transition: border-color .4s var(--ease), transform .6s var(--ease); }
.b-card:hover { border-color: var(--line-2); transform: translateY(-3px); }
.b-card--wide { grid-column: span 2; }
.b-card__view { aspect-ratio: 16 / 10; display: grid; place-items: center; padding: 12%; background: radial-gradient(90% 80% at 50% 30%, rgba(30, 40, 80, .35), transparent); }
.b-card--wide .b-card__view { aspect-ratio: auto; flex: 1; min-height: 220px; padding: 6% 10%; }
.b-card__view img { max-width: 100%; max-height: 180px; width: auto; height: auto; }
.b-card__view img.b-word { width: 80%; }
.b-card__view img.b-icon { width: 120px; border-radius: 26px; box-shadow: 0 20px 60px -20px rgba(255, 157, 92, .35); }
.b-card--paper .b-card__view { background: #efe9df; }
.b-card__meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 20px; border-top: 1px solid var(--line); font-size: 14px; color: var(--ink-2); }
.b-card__meta a { color: var(--corona); font-size: 11px; padding: 6px 10px; border-radius: 999px; border: 1px solid rgba(255, 228, 191, .25); transition: background-color .3s; }
.b-card__meta a:hover { background: rgba(255, 228, 191, .1); }
.b-links { display: flex; gap: 8px; }

.b-rules { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.b-rules li { padding: 24px 24px 24px 0; display: grid; gap: 8px; }
.b-rules li + li { padding-left: 24px; border-left: 1px solid var(--line); }
.b-rules b { font: 400 22px/1.1 var(--serif); }
.b-rules span { color: var(--ink-2); font-size: 15px; }

.b-swatches { margin-top: clamp(40px, 6vw, 70px); display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.sw { text-align: left; display: grid; gap: 6px; padding: 12px 12px 18px; border-radius: 22px; border: 1px solid var(--line); background: rgba(10, 12, 22, .5); transition: border-color .4s var(--ease), transform .6s var(--ease); }
.sw:hover { border-color: var(--line-2); transform: translateY(-3px); }
.sw__chip { display: block; aspect-ratio: 1; border-radius: 14px; background: var(--c); box-shadow: inset 0 0 0 1px rgba(237, 232, 223, .14); margin-bottom: 10px; }
.sw__name { font: 400 24px/1 var(--serif); padding: 0 4px; }
.sw__hex { color: var(--ink-2); font-size: 11px; padding: 0 4px; }
.sw__use { color: var(--ink-3); font-size: 13px; padding: 0 4px; line-height: 1.4; }
.b-gradient { margin-top: 14px; height: 54px; border-radius: 18px; background: linear-gradient(90deg, rgba(47, 155, 255, 0) 0%, #3ab8ff 15%, #ff9d5c 36%, #ffe2bd 47%, #fffaf0 50%, #ffe2bd 53%, #ff9d5c 64%, #3ab8ff 85%, rgba(47, 155, 255, 0) 100%); box-shadow: 0 0 60px -10px rgba(255, 157, 92, .45); }
.b-note { margin-top: 18px; color: var(--ink-4); font-size: 10px; }

.b-faces { margin-top: clamp(40px, 6vw, 70px); display: grid; gap: 0; border-top: 1px solid var(--line); }
.face { display: grid; grid-template-columns: 260px 1fr; gap: 24px; align-items: baseline; padding: 30px 0; border-bottom: 1px solid var(--line); }
.face__meta { color: var(--ink-3); font-size: 11px; }
.face__sample--serif { font: 400 clamp(36px, 5vw, 72px)/1 var(--serif); }
.face__sample--serif em { color: var(--corona); }
.face__sample--sans { font-size: clamp(20px, 2vw, 26px); color: var(--ink); max-width: 36ch; line-height: 1.35; }
.face__sample--mono { font-size: 14px; color: var(--ink); }
.face__word { width: min(100%, 520px); height: auto; grid-column: 2; }
.face__note { grid-column: 2; color: var(--ink-3); font-size: 15px; max-width: 54ch; margin-top: 12px; }

.footer--brand { min-height: 0; padding-top: 40px; }

@media (max-width: 960px) {
  .b-split { grid-template-columns: 1fr; }
  .b-cards { grid-template-columns: 1fr 1fr; }
  .b-swatches { grid-template-columns: repeat(3, 1fr); }
  .b-rules { grid-template-columns: 1fr; }
  .b-rules li + li { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 620px) {
  .b-cards { grid-template-columns: 1fr; }
  .b-card--wide { grid-column: auto; }
  .b-swatches { grid-template-columns: 1fr 1fr; }
  .face { grid-template-columns: 1fr; gap: 12px; }
  .face__word, .face__note { grid-column: 1; }
}