/* ============================================================================
   Home page — chai-homelab.com v3
   Consumes tokens.css + base.css. Page character: CINEMATIC.
   Texture = the living cluster mesh; motion = larger, slower hero reveals.
   ========================================================================== */

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: min(92vh, 880px);
  padding-block: var(--sp-16) var(--sp-12);
}

.hero__bg { position: absolute; inset: 0; z-index: 0; }

/* Always-painted static fallback (reduced-motion, saveData, small, no-canvas). */
.hero__bg-fallback {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(52% 46% at 74% 40%, color-mix(in srgb, var(--accent-core) 26%, transparent), transparent 70%),
    radial-gradient(60% 60% at 88% 8%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 72%),
    radial-gradient(50% 60% at 8% 92%, color-mix(in srgb, var(--accent-core) 12%, transparent), transparent 70%),
    var(--bg-0);
}
/* faint static node dots so the fallback still reads as "mesh", not just a blob */
.hero__bg-fallback::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(currentColor 1px, transparent 1.4px);
  background-size: 34px 34px;
  color: var(--accent);
  opacity: 0.06;
  -webkit-mask: linear-gradient(90deg, transparent, black 60%);
  mask: linear-gradient(90deg, transparent, black 60%);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--accent);            /* hero-cluster.js reads this as the mesh colour */
  opacity: 0;
  transition: opacity var(--t-slower) var(--ease);
}
.hero__canvas.is-on { opacity: 1; }

.hero__fade {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 140px;
  background: linear-gradient(transparent, var(--bg-0));
  z-index: 1;
}

.hero__inner { position: relative; z-index: 2; max-width: 46rem; }

.hero__title {
  font-size: var(--fs-6);
  line-height: var(--lh-tight);
  letter-spacing: -0.03em;
  font-weight: 600;
  margin-top: var(--sp-2);
}

.hero__tagline {
  margin-top: var(--sp-5);
  font-size: var(--fs-4);
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--text-1);
  max-width: 20ch;
  line-height: 1.15;
  text-wrap: balance;
}

.hero__sub {
  margin-top: var(--sp-4);
  color: var(--text-2);
  max-width: 52ch;
  font-size: var(--fs-2);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.hero__proof {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: var(--sp-8) 0 0;
  padding: 0;
}
.hero__proof .chip { min-height: 2.5rem; padding-inline: var(--sp-4); }
.hero__proof a.chip { text-decoration: none; }
.hero__proof a.chip:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- live proof strip (instant credibility, kept prominent) ---------- */
.liveproof {
  position: relative;
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    linear-gradient(90deg, var(--accent), transparent 60%) border-box;
  border: 1px solid transparent;
  border-inline: 0;
  border-bottom: 1px solid var(--line);
}
.liveproof::before {              /* thin accent rule along the top edge */
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-glow) 40%, transparent 75%);
}
.liveproof__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-6);
}
.liveproof__title {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-0);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-3);
}
.liveproof__title .pulse { margin-right: 0; }
.liveproof__title strong { color: var(--accent); font-weight: 600; }
.liveproof__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-0);
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-4);
}
.liveproof__meta a { display: inline-flex; align-items: center; gap: var(--sp-1); }

.liveproof__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--sp-5);
}
.liveproof__cell {
  position: relative;
  padding-left: var(--sp-4);
  border-left: 2px solid var(--accent-dim);
}
.liveproof__cell .stat__value {
  font-size: clamp(1.9rem, 1.2rem + 2.2vw, 2.6rem);
  color: var(--text-1);
}
.liveproof__cell .stat__unit { color: var(--text-3); font-size: 0.55em; margin-left: 0.15em; }
.liveproof__note { margin-top: var(--sp-5); color: var(--text-3); font-family: var(--font-mono); font-size: var(--fs-0); }

/* ---------- dual value proposition ---------- */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
  align-items: start;
}
.duo__col { position: relative; }
.duo__col + .duo__col { padding-left: var(--sp-8); border-left: 1px solid var(--line); }
.duo__label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-0);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: var(--sp-3);
}
.duo__label .ico { font-size: 1.1em; }
.duo__line { font-size: var(--fs-3); line-height: 1.35; color: var(--text-1); font-weight: 400; text-wrap: pretty; }
.duo__line b { color: var(--accent); font-weight: 600; }

@media (max-width: 720px) {
  .duo { grid-template-columns: 1fr; gap: var(--sp-6); }
  .duo__col + .duo__col { padding-left: 0; border-left: 0; padding-top: var(--sp-6); border-top: 1px solid var(--line); }
}

/* ---------- featured projects ---------- */
.featured__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-5);
}
.project-card { display: flex; flex-direction: column; gap: var(--sp-3); }
.project-card__top { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); }
.project-card .card__title { margin: 0; font-size: var(--fs-3); }
.project-card .card__title a { color: var(--text-1); text-decoration: none; }
.project-card .card__title a:hover { color: var(--accent); }
.project-card__flag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-ink);
  background: var(--accent);
  padding: 2px var(--sp-2);
  border-radius: 999px;
  white-space: nowrap;
}
.project-card__number { font-family: var(--font-mono); font-weight: 600; color: var(--accent); }
.project-card__stack { list-style: none; display: flex; flex-wrap: wrap; gap: var(--sp-2); margin: 0; padding: 0; }
.project-card__link { margin-top: auto; padding-top: var(--sp-2); }
.project-card__link a { display: inline-flex; align-items: center; gap: var(--sp-1); min-height: 44px; text-decoration: none; font-weight: 500; }
.project-card__link a:hover .ico { transform: translate(2px, -2px); }
.project-card__link .ico { transition: transform var(--t-fast) var(--ease); }

/* flagship gets a subtle accent lift without breaking the grid rhythm */
.project-card--flag {
  background:
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
    linear-gradient(160deg, var(--accent-dim), transparent 55%) border-box;
  border: 1px solid transparent;
}
.project-card--flag:hover { box-shadow: 0 0 0 1px var(--accent-dim), 0 24px 60px rgba(0,0,0,0.35); }

.featured__more { margin-top: var(--sp-8); }

/* ---------- skills (reframed: AI/LLMOps + DevOps forward) ---------- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--sp-6) var(--sp-5);
}
.skills__group h3 {
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--line);
}
.skills__group ul { list-style: none; margin: 0; padding: 0; }
.skills__group li { padding-block: 0.35rem; padding-left: var(--sp-4); position: relative; color: var(--text-2); font-size: var(--fs-1); }
.skills__group li::before { content: '\25b8'; position: absolute; left: 0; color: var(--accent); opacity: 0.7; }

/* ---------- about ---------- */
.about__body { max-width: 62ch; }
.about__body p + p { margin-top: var(--sp-4); }
.about__edu {
  margin-top: var(--sp-6);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--line);
}

/* ---------- contact CTA ---------- */
.contact-cta { position: relative; overflow: hidden; text-align: center; }
.contact-cta__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(50% 120% at 50% 120%, color-mix(in srgb, var(--accent-core) 24%, transparent), transparent 70%);
  pointer-events: none;
}
.contact-cta > .container { position: relative; z-index: 1; }
.contact-cta p { margin-inline: auto; margin-bottom: var(--sp-6); max-width: 50ch; }

/* ---------- hero entrance interop (js/motion.js) ----------
   html.anim (set pre-paint by the head guard, cleared by a 2.5s failsafe) hides
   the [data-enter] parts on motion-safe clients only, so nothing can stay hidden
   if the motion module fails to load. */
html.anim .hero__inner [data-enter] { opacity: 0; }