/* pacific-design.com — latent-space design system (v2, AI redesign).
   Deep indigo void, one violet→cyan spectral gradient as the sole identity
   accent, monospace system labels, live canvas visualizations. Dark by
   design — this site commits to the night palette. */

:root {
  --void:    #0A0E1A;
  --panel:   #10172A;
  --panel-2: #141D33;
  --line:    #232E4D;
  --ink:     #E8EBF5;
  --muted:   #97A0BC;
  --vio:     #8B78FF;
  --vio-hi:  #A99BFF;
  --cyan:    #52E0EE;
  --grad: linear-gradient(100deg, #8B78FF 0%, #52E0EE 100%);
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--void); color: var(--ink);
  font: 400 1.02rem/1.72 var(--sans);
}
.shell { max-width: 74rem; margin: 0 auto; padding: 0 1.3rem; }
.narrow { max-width: 46rem; }
a { color: var(--vio-hi); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--cyan); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 3px; }
::selection { background: rgba(139,120,255,.35); }

/* ── chrome ─────────────────────────────────────────────────────────────── */
.site-head {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10,14,26,.82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-head .shell {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .4rem 1rem; padding-top: .8rem; padding-bottom: .8rem;
}
.wordmark {
  display: inline-flex; align-items: center; gap: .55rem;
  font: 700 .92rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink); text-decoration: none;
}
.wm-sub { color: var(--muted); font-weight: 500; letter-spacing: .08em; text-transform: none; }
.wordmark:hover { color: var(--ink); }
.wordmark:hover .spark { filter: drop-shadow(0 0 6px var(--cyan)); }
.spark { width: 22px; height: 22px; fill: var(--cyan); stroke: var(--vio); stroke-width: 1; }
.site-nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.site-nav a {
  font: 500 .74rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; padding: .3rem 0;
}
.site-nav a:hover { color: var(--cyan); }
.site-nav a.here { color: var(--ink); box-shadow: 0 2px 0 0 var(--cyan); }

.site-foot { border-top: 1px solid var(--line); margin-top: 5.5rem; }
.site-foot .shell { padding-top: 2.2rem; padding-bottom: 2.6rem; }
.site-foot p { margin: .35rem 0; color: var(--muted); font-size: .92rem; }
.site-foot .fine { font: 400 .74rem/1.6 var(--mono); letter-spacing: .04em; }
.foot-links a { color: var(--muted); }
.foot-links a:hover { color: var(--cyan); }

/* ── type ───────────────────────────────────────────────────────────────── */
h1 {
  font: 800 clamp(2.1rem, 5vw, 3.3rem)/1.1 var(--sans);
  letter-spacing: -.025em; margin: .5rem 0 1rem;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
h2 { font: 700 1.28rem/1.35 var(--sans); letter-spacing: -.01em; margin: 2.2rem 0 .55rem; }
.sys-tag {
  font: 500 .72rem/1.5 var(--mono); letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); margin: 2.2rem 0 0;
}
.sys-tag a { color: inherit; text-decoration: none; }
.sys-tag a:hover { color: var(--cyan); }
.dek { font-size: 1.14rem; line-height: 1.65; color: var(--muted); margin: 0 0 1.5rem; }
p { margin: .85rem 0; }
li { margin: .3rem 0; }

pre {
  background: #0B1122; border: 1px solid var(--line); color: #C9D8EE;
  border-radius: 10px; padding: 1rem 1.15rem; overflow-x: auto;
  font: .85rem/1.62 var(--mono); margin: 1.2rem 0;
}
code { font-family: var(--mono); font-size: .92em; }
p code, li code {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 5px; padding: .08em .35em; font-size: .85em; color: #C9D8EE;
}
.plain-list { list-style: none; padding: 0; }
.plain-list li { margin: .55rem 0; color: var(--muted); }

/* ── hero ───────────────────────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero canvas.bg {
  position: absolute; inset: 0; width: 100%; height: 100%; display: block;
}
.hero::after {   /* vignette so text always wins */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 30% 40%, rgba(10,14,26,.15), rgba(10,14,26,.86) 78%);
}
.hero .shell { position: relative; z-index: 1; padding: 5.5rem 1.3rem 4.5rem; }
.hero .dek { max-width: 42rem; }
.hero-cta { margin-top: 1.8rem; display: flex; gap: .8rem; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: .62rem 1.15rem; border-radius: 9px;
  font: 600 .85rem/1 var(--sans); letter-spacing: .02em; text-decoration: none;
  background: var(--grad); color: #0A0E1A;
  transition: transform .18s ease, box-shadow .18s ease;
}
.btn:hover { color: #0A0E1A; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(82,224,238,.35); }
.btn.ghost {
  background: transparent; color: var(--ink); border: 1px solid var(--line);
}
.btn.ghost:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: none; }

/* ── home rows ──────────────────────────────────────────────────────────── */
.row-title { display: flex; flex-direction: column; gap: .35rem; margin-top: 4rem; }
.row-title .sys-tag { margin: 0; }
.row-note { color: var(--muted); max-width: 44rem; margin-top: .4rem; }

.path { display: grid; gap: 1.1rem; margin-top: 1.8rem;
        grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr)); }
.path-card {
  grid-row: span 1; display: flex; align-items: center; gap: 1rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.05rem 1.2rem; text-decoration: none; position: relative; overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.path-card::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--grad);
  opacity: .65; transition: opacity .2s ease;
}
.path-card:hover {
  transform: translateY(-3px); border-color: #34426E;
  box-shadow: 0 10px 34px rgba(0,0,0,.45), 0 0 0 1px rgba(139,120,255,.15);
}
.path-card:hover::before { opacity: 1; }
.path-num { font: 700 1.5rem/1 var(--mono); color: var(--vio); min-width: 2.4rem; }
.path-body { display: flex; flex-direction: column; gap: .15rem; }
.path-name { font: 700 1.08rem/1.3 var(--sans); color: var(--ink); }
.path-dek { color: var(--muted); font-size: .9rem; }
.path-count { margin-left: auto; font: 500 .7rem/1 var(--mono); letter-spacing: .1em;
              color: var(--muted); white-space: nowrap; }
.path-toc { list-style: none; margin: .5rem 0 1rem; padding: 0 .4rem; }
.path-toc li { margin: .34rem 0; font-size: .93rem; }
.path-toc a { color: var(--muted); text-decoration: none; }
.path-toc a:hover { color: var(--cyan); }
.path-toc a::before { content: "▸ "; color: var(--vio); }

/* roadmap */
.roadmap { list-style: none; display: flex; flex-wrap: wrap; gap: .6rem .8rem;
           margin: 1.6rem 0 0; padding: 0; }
.rm {
  display: inline-flex; align-items: center; gap: .5rem;
  border: 1px solid var(--line); border-radius: 999px; padding: .42rem .95rem;
  font: 500 .8rem/1 var(--mono); letter-spacing: .04em; color: var(--muted);
}
.rm .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.rm.live { color: var(--ink); border-color: #2C5E66; }
.rm.live .dot { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.rm.training { border-color: #3A3670; }
.rm.training .dot { background: var(--vio); animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(139,120,255,.55); }
                   50%      { box-shadow: 0 0 0 6px rgba(139,120,255,0); } }
.about { max-width: 46rem; padding-bottom: 1rem; }

/* ── viz panels ─────────────────────────────────────────────────────────── */
.viz-panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  margin: 2rem 0 2.4rem; overflow: hidden;
}
.viz-panel canvas { display: block; width: 100%; height: 300px; }
.viz-cap {
  margin: 0; padding: .6rem 1rem .7rem; border-top: 1px solid var(--line);
  font: 500 .74rem/1.5 var(--mono); letter-spacing: .08em; color: var(--muted);
}
.viz-cap::before { content: "● "; color: var(--cyan); animation: blink 2.4s ease-in-out infinite; }
@keyframes blink { 50% { opacity: .25; } }

/* ── hubs / entries ─────────────────────────────────────────────────────── */
.card-head { max-width: 50rem; }
.entries { list-style: none; margin: 1rem 0 0; padding: 0; counter-reset: n; }
.entry { border-top: 1px solid var(--line); }
.entry:last-child { border-bottom: 1px solid var(--line); }
.entry-link {
  display: grid; grid-template-columns: 3.2rem 1fr; align-items: baseline;
  gap: .25rem 1.1rem; padding: 1rem .3rem; text-decoration: none;
  transition: background .15s ease;
}
.entry-link:hover { background: rgba(139,120,255,.05); }
.entry-link::before {
  counter-increment: n; content: counter(n, decimal-leading-zero);
  font: 600 .8rem/1 var(--mono); color: var(--vio);
}
.entry-title { font: 700 1.15rem/1.35 var(--sans); color: var(--ink); }
.entry-link:hover .entry-title { color: var(--cyan); }
.entry-hook { grid-column: 2; color: var(--muted); font-size: .93rem; }

/* ── articles ───────────────────────────────────────────────────────────── */
article { padding-top: .6rem; }
.figure { margin: 1.6rem 0; }
.figure img {
  width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line);
  display: block;
}
.slot {
  position: relative; border: 1px solid var(--line); border-radius: 12px;
  aspect-ratio: 1792 / 700; overflow: hidden;
  background:
    radial-gradient(circle at 20% 35%, rgba(139,120,255,.12), transparent 45%),
    radial-gradient(circle at 75% 65%, rgba(82,224,238,.10), transparent 45%),
    var(--panel);
}
.slot-field {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(151,160,188,.28) 1px, transparent 1.4px);
  background-size: 26px 26px;
  mask-image: linear-gradient(120deg, transparent 20%, #000 50%, transparent 80%);
  -webkit-mask-image: linear-gradient(120deg, transparent 20%, #000 50%, transparent 80%);
  animation: scan 5.5s linear infinite;
}
@keyframes scan { from { mask-position: -60% 0; -webkit-mask-position: -60% 0; }
                  to   { mask-position: 160% 0; -webkit-mask-position: 160% 0; } }
.slot-tag {
  position: absolute; left: .9rem; bottom: .7rem; margin: 0;
  font: 500 .72rem/1 var(--mono); letter-spacing: .12em; color: var(--muted);
}
.hero-art { display: none; }  /* hero uses the live field canvas instead */

.adjacent {
  display: flex; justify-content: space-between; gap: 1rem;
  border-top: 1px solid var(--line); margin-top: 3rem; padding-top: 1.3rem;
}
.adj { text-decoration: none; max-width: 46%; font: 700 1rem/1.4 var(--sans); color: var(--ink); }
.adj span { display: block; font: 500 .68rem/1 var(--mono); letter-spacing: .14em;
            text-transform: uppercase; color: var(--muted); margin-bottom: .35rem; }
.adj:hover { color: var(--cyan); }
.adj.next { text-align: right; margin-left: auto; }
.notfound { padding-top: 3.5rem; }

/* ── motion: scroll reveals ─────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px);
          transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ── quality floor ──────────────────────────────────────────────────────── */
@media (max-width: 720px) {
  .hero .shell { padding-top: 3.5rem; padding-bottom: 3rem; }
  .viz-panel canvas { height: 240px; }
  .path-count { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .slot-field, .rm.training .dot, .viz-cap::before { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .path-card, .entry-link { transition: none; }
}