/* Frontend showcase page — loaded after site.css and case.css */
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.fe-hero { padding: 80px 0 24px; }
.fe-hero h1 { font-weight: 600; font-size: clamp(40px, 6vw, 84px); line-height: 1.03; letter-spacing: -.045em; margin: 22px 0 22px; max-width: 900px; }
.fe-index { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
.fe-index a { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; font: 500 12px/1 var(--font-mono); letter-spacing: .04em; color: var(--muted); transition: color .2s, border-color .2s; }
.fe-index a:hover { color: var(--text); border-color: #4a5164; }
.fe-section { padding: 88px 0; border-top: 1px solid var(--line-soft); scroll-margin-top: 72px; }
.fe-section h2 { font-weight: 600; font-size: clamp(28px, 3.6vw, 44px); line-height: 1.1; letter-spacing: -.035em; margin: 14px 0 0; max-width: 780px; }
.fe-note { margin-top: 18px; font-size: 13px; color: var(--faint); }
.fe-note.only-2d { display: none; }

/* 1 · living logo */
.fe-split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.shape-btns { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.shape-btns button { padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg-raise); color: var(--muted); cursor: pointer; font-size: 14px; transition: color .2s, border-color .2s, background .2s; }
.shape-btns button:hover { color: var(--text); border-color: #4a5164; }
.shape-btns button[aria-pressed="true"] { background: var(--text); color: #08090c; border-color: var(--text); }
.fe-stage { aspect-ratio: 1; max-height: 420px; width: 100%; margin: 0 auto; }
.fe-stage .stage-logo { position: absolute; inset: 22%; width: auto; left: auto; bottom: auto; transform: none; aspect-ratio: 1; }
html:not(.logo-3d) .shape-btns { opacity: .4; pointer-events: none; }
html:not(.logo-3d) .fe-note.only-2d { display: block; }

/* 2 · skill orbit */
.orbit-wrap { position: relative; margin-top: 32px; height: clamp(380px, 46vw, 560px); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: radial-gradient(70% 60% at 50% 45%, #141827, #08090c); }
.orbit-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.orbit-labels { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.orbit-label { position: absolute; left: 0; top: 0; padding: 4px 8px; border-radius: 999px; font: 500 11px/1 var(--font-mono); letter-spacing: .06em; color: var(--faint); background: rgba(8, 9, 12, .7); border: 1px solid var(--line-soft); white-space: nowrap; transition: color .25s, border-color .25s; will-change: transform; }
.orbit-label.on { color: var(--text); border-color: var(--accent); }
.orbit-panel { position: absolute; left: 18px; bottom: 16px; max-width: min(420px, calc(100% - 36px)); padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: rgba(8, 9, 12, .86); }
.orbit-panel small { display: block; font: 500 10px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.orbit-panel b { display: block; font-size: 16px; font-weight: 600; }
.orbit-panel .stack-strip { margin-top: 10px; gap: 6px; }
.orbit-panel .stack-strip span { padding: 6px 10px; font-size: 11px; }
.orbit-list { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.orbit-list button { padding: 9px 15px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg-raise); color: var(--muted); cursor: pointer; font-size: 14px; transition: color .2s, border-color .2s, background .2s; }
.orbit-list button:hover { color: var(--text); border-color: #4a5164; }
.orbit-list button.on { color: #08090c; background: var(--text); border-color: var(--text); }
.orbit-wrap.no-3d { height: auto; padding: 22px; background: var(--bg-raise); }
.orbit-wrap.no-3d canvas, .orbit-wrap.no-3d .orbit-labels { display: none; }
.orbit-wrap.no-3d .orbit-panel { position: static; max-width: none; background: none; border: 0; padding: 0; }

/* 3 · interaction lab */
.lab-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 32px; }
.lab-item { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: var(--bg-raise); }
.lab-item h3 { margin: 18px 0 6px; font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.lab-item p { margin: 0; color: var(--muted); font-size: 14px; }
.lab-stage { height: 170px; display: grid; place-items: center; border: 1px dashed var(--line); border-radius: 14px; background: rgba(255, 255, 255, .015); position: relative; overflow: hidden; }
.tilt-card { width: 150px; height: 100px; display: grid; place-items: center; border: 1px solid #2c3346; border-radius: 14px; font: 500 12px var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 30%), rgba(160, 170, 255, .28), transparent 55%), linear-gradient(150deg, #1a1f2d, #0d0f14); }
.puck { position: absolute; left: calc(50% - 26px); top: calc(50% - 26px); width: 52px; height: 52px; border-radius: 50%; cursor: grab; touch-action: none; border: 1px solid #4a5170;
  background: radial-gradient(circle at 35% 30%, #4a5170, #1a1f2d 70%); box-shadow: 0 10px 24px rgba(0, 0, 0, .5); }
.puck:active { cursor: grabbing; }
.ring-demo { position: relative; width: 116px; height: 116px; }
.ring-demo svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.rd-bg { fill: none; stroke: #1d2230; stroke-width: 6; }
.rd-fg { fill: none; stroke: var(--accent); stroke-width: 6; stroke-linecap: round; }
.ring-demo b { position: absolute; inset: 0; display: grid; place-items: center; font: 600 22px var(--font-display); letter-spacing: -.02em; }

/* 4 · network */
.net-wrap { position: relative; margin-top: 32px; height: clamp(320px, 38vw, 440px); border: 1px solid var(--line); border-radius: var(--radius); background: radial-gradient(60% 60% at 50% 50%, #12151f, #08090c); overflow: hidden; }
.net-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: crosshair; }

/* 5 · dashboard */
.dash { margin-top: 32px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-raise); }
.dash-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.kpi { padding: 16px; border: 1px solid var(--line-soft); border-radius: 14px; background: rgba(255, 255, 255, .02); }
.kpi small { display: block; font: 500 11px/1.2 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); }
.kpi b { display: block; margin-top: 10px; font: 600 26px var(--font-display); letter-spacing: -.03em; }
.kpi.warn b { color: var(--warn); }
.dash-tools { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 18px 0; }
.dash-tools input[type="search"], .dash-tools select { min-height: 42px; padding: 0 14px; border: 1px solid var(--line); border-radius: 12px; background: #0a0c10; color: var(--text); }
.dash-tools input[type="search"] { flex: 1 1 200px; }
.dash-tools input:focus, .dash-tools select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.dash-check { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); cursor: pointer; }
.dash-check input { accent-color: var(--accent); width: 16px; height: 16px; }
.dash-tools .btn { min-height: 42px; }
.dash-body { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px; align-items: start; }
.dash-table-wrap { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: 14px; }
.dash-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 560px; }
.dash-table th { text-align: left; padding: 12px 14px; font: 500 11px/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); border-bottom: 1px solid var(--line-soft); }
.dash-table th button { background: none; border: 0; padding: 0; color: inherit; font: inherit; letter-spacing: inherit; text-transform: inherit; cursor: pointer; }
.dash-table th button:hover { color: var(--text); }
.dash-table td { padding: 11px 14px; border-bottom: 1px solid var(--line-soft); color: var(--muted); vertical-align: middle; }
.dash-table tr:last-child td { border-bottom: 0; }
.dash-table td:first-child { color: var(--text); font-weight: 500; }
.dash-table .num, .dash-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.stock-bar { display: inline-block; width: 70px; height: 6px; margin-right: 10px; border-radius: 4px; background: #1d2230; vertical-align: middle; overflow: hidden; }
.stock-bar i { display: block; height: 100%; border-radius: 4px; transition: width .5s var(--ease); }
.s-in { background: var(--ok); } .s-low { background: var(--warn); } .s-out { background: var(--red); }
.chip.st-in { color: var(--ok); border-color: rgba(86, 214, 160, .35); }
.chip.st-low { color: var(--warn); border-color: rgba(231, 189, 99, .4); }
.chip.st-out { color: var(--red); border-color: rgba(240, 120, 140, .4); }
.btn.mini { min-height: 32px; padding: 0 12px; font-size: 12px; }
.dash-empty { margin: 0; padding: 22px; text-align: center; color: var(--muted); }
.dash-side { padding: 16px; border: 1px solid var(--line-soft); border-radius: 14px; background: rgba(255, 255, 255, .015); }
.dash-side small { display: block; margin-bottom: 12px; font: 500 11px/1.3 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); }
#spark { width: 100%; height: auto; display: block; cursor: crosshair; }
.spark-read { margin-top: 10px; font: 500 12px var(--font-mono); color: var(--muted); min-height: 1.4em; }
.dash-foot { margin: 14px 0 0; min-height: 1.5em; font-size: 13px; color: var(--ok); }

/* 6 · directions */
.dir-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; margin-top: 8px; }
.dir-card { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--bg-raise); transition: opacity .26s var(--ease), transform .26s var(--ease), border-color .2s; }
.dir-card:hover { border-color: #465066; }
.dir-card.is-out { opacity: 0; transform: translateY(10px); }
.dir-ico { width: 30px; height: 30px; fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 16px; }
.dir-card h3 { margin: 0 0 6px; font-size: 19px; font-weight: 600; letter-spacing: -.02em; }
.dir-card p { margin: 0; color: var(--muted); font-size: 14px; }
.dir-tags { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 16px; font: 500 12px/1.4 var(--font-mono); color: var(--faint); }
.dir-link { display: inline-flex; gap: 8px; margin-top: 16px; font-size: 13px; font-weight: 600; color: var(--text); }

/* 7 · context */
.ctx-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 32px; }
.ctx-card { position: relative; display: flex; flex-direction: column; gap: 10px; padding: 24px; min-height: 210px; border: 1px solid var(--line); border-radius: 18px; background: var(--bg-raise); transition: border-color .25s, transform .3s var(--ease); }
.ctx-card:hover { border-color: #465066; transform: translateY(-3px); }
.ctx-card small { font: 500 11px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.ctx-card b { font-size: 19px; font-weight: 600; line-height: 1.25; letter-spacing: -.02em; }
.ctx-card span { color: var(--muted); font-size: 14px; }
.ctx-card i { margin-top: auto; font-style: normal; color: var(--faint); font-size: 20px; transition: transform .25s var(--ease), color .2s; }
.ctx-card:hover i { transform: translateX(4px); color: var(--text); }
#under .stack-strip { margin-top: 28px; }

@media (max-width: 1000px) {
  .fe-split { grid-template-columns: 1fr; }
  .fe-stage { max-width: 300px; }
  .dash-body { grid-template-columns: minmax(0, 1fr); }
  .ctx-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .lab-grid { grid-template-columns: 1fr; }
  .dash-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fe-section { padding: 64px 0; }
}
@media (prefers-reduced-motion: reduce) { .ctx-card, .dir-card, .stock-bar i { transition: none; } }

/* hero logo stage (the companion rests here on arrival) */
.fe-hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.fe-hero-stage { aspect-ratio: 1; max-height: 340px; width: 100%; margin: 0 auto; }
.fe-hero-stage .stage-logo { position: absolute; inset: 20%; width: auto; left: auto; bottom: auto; transform: none; aspect-ratio: 1; }
@media (max-width: 900px) { .fe-hero { grid-template-columns: 1fr; } .fe-hero-stage { order: -1; max-height: 200px; } }