/* XISTENZ homepage — "distilled glitch".
   Rebuilt from mockups/distilled-glitch.html. Self-contained: the homepage does
   not link base.css (that's for project pages). Ambient mode is toggled by a
   class on <html> (set pre-paint in the head) rather than on .site, so a
   returning visitor's OFF choice never flashes the effect. */

:root {
  color-scheme: dark;
  /* unxpctd palette on a violet-biased near-black */
  --void: #131318;
  --panel: #1c1c25;
  --panel-2: #232230;
  --edge: #2e2d3a;
  --ink: #edeaf4;
  --dim: #a09aae;
  --faint: #6d6880;

  --blue: #2d00f7;
  --indigo: #6a00f4;
  --violet: #8900f2;
  --cerise: #e500a4;
  --magenta: #f20089;
  --signal: #ffb600; /* reserved: LIVE + member lock only */

  --gradient: linear-gradient(105deg, #2d00f7 0%, #8900f2 45%, #f20089 100%);

  --font-display: 'Avenir Next Condensed', 'Arial Narrow', 'Helvetica Neue', Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { background: var(--void); }

.site {
  min-height: 100vh;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
  position: relative;
  z-index: 1;
}

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--dim);
  border-bottom: 1px solid var(--edge);
}
.topbar .brand { color: inherit; text-decoration: none; }
.topbar .brand b { color: var(--ink); font-weight: 700; }
.topbar .brand:hover b { color: var(--cerise); }

/* Site navigation is two links' worth of chrome, so it is not a nav bar:
   the brand goes home and one ABOUT link sits beside the ambient toggle
   (decision #7). If a third and fourth destination ever appear, this is
   where they go. */
.topnav {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.topnav a {
  color: var(--dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 150ms ease, border-color 150ms ease;
}
.topnav a:hover, .topnav a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--cerise);
}
.topnav a:focus-visible { outline: 2px solid var(--cerise); outline-offset: 3px; }

.ambient-toggle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--dim);
  background: none;
  border: 1px solid var(--edge);
  padding: 0.45em 0.9em;
  cursor: pointer;
  transition: border-color 150ms ease, color 150ms ease;
}
.ambient-toggle:hover, .ambient-toggle:focus-visible {
  border-color: var(--cerise);
  color: var(--ink);
}
.ambient-toggle:focus-visible { outline: 2px solid var(--cerise); outline-offset: 2px; }
.ambient .ambient-toggle { border-color: var(--magenta); color: var(--magenta); }

/* ---------- hero ---------- */
.hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 3.5rem); }

.hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(3.6rem, 14vw, 11rem);
  line-height: 0.88;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  position: relative;
  display: inline-block;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
/* static chromatic aberration — the signature. Reads glitch while perfectly still. */
.hero h1::before,
.hero h1::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  z-index: -1;
  background: none;
  -webkit-text-fill-color: currentColor;
}
.hero h1::before { color: var(--magenta); transform: translate(-4px, 3px); opacity: 0.55; }
.hero h1::after  { color: var(--indigo);  transform: translate(4px, -3px); opacity: 0.65; }

.hero .callsign {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.8vw, 0.85rem);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cerise);
  margin-top: 1.4rem;
}

.hero .intro {
  max-width: 34em;
  margin-top: 1.2rem;
  color: var(--dim);
  font-size: 1.05rem;
  text-wrap: pretty;
}
.hero .intro a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--cerise); text-underline-offset: 3px; }
.hero .intro a:hover { color: var(--cerise); }

/* ---------- registry grid ---------- */
.registry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr));
  gap: 1.4rem;
  padding-bottom: 1rem;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, var(--panel-2) 0%, var(--panel) 70%);
  border: 1px solid var(--edge);
  padding: 2.2rem 1.8rem 1.6rem;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 200ms ease, transform 200ms ease;
}
a.card:hover, a.card:focus-visible { border-color: var(--cerise); transform: translateY(-2px); }
a.card:focus-visible { outline: 2px solid var(--cerise); outline-offset: 2px; }

/* index chip: accession number in the registry, newest first */
.card .index {
  position: absolute;
  top: -1px;
  left: -1px;
  background: var(--gradient);
  color: var(--void);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 0.5em 1.1em;
}

.card h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: 1.7rem;
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin-top: 0.9rem;
  transition: text-shadow 200ms ease;
}
/* hover-only aberration — interference on contact, never at rest */
a.card:hover h2 {
  text-shadow: -2px 1px 0 rgba(242, 0, 137, 0.55), 2px -1px 0 rgba(106, 0, 244, 0.6);
}

.card .meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cerise);
  margin-top: 0.5rem;
}

.card .desc {
  color: var(--dim);
  font-size: 0.95rem;
  margin-top: 0.9rem;
  flex-grow: 1;
}

.card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  border: 1px solid var(--edge);
  padding: 0.35em 0.8em;
  transition: color 150ms ease, border-color 150ms ease;
}
a.card:hover .tag { border-color: var(--violet); color: var(--ink); }

.card .foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--edge);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.status { color: var(--faint); }
.status::before { content: '●'; margin-right: 0.6em; font-size: 0.7em; vertical-align: 1px; }
.status.live   { color: var(--signal); }
.status.active { color: var(--magenta); }
.status.stable { color: var(--violet); }
.status.wip    { color: var(--dim); }
.card .foot .go { color: var(--faint); transition: color 150ms ease; }
a.card:hover .foot .go { color: var(--cerise); }

/* scan-line: sweeps once on hover, then rests */
.scan {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cerise), transparent);
  opacity: 0;
  pointer-events: none;
}
a.card:hover .scan { animation: scan-sweep 700ms ease-out 1; }
@keyframes scan-sweep {
  0%   { top: 0;    opacity: 0; }
  15%  { opacity: 0.9; }
  85%  { opacity: 0.9; }
  100% { top: 100%; opacity: 0; }
}

/* ---------- locked (members) cards ---------- */
.card.locked { cursor: default; }
.card.locked h2 { color: var(--ink); }
.card.locked:hover { border-color: var(--signal); }
.card.locked .status { color: var(--signal); }
.lockbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1.2rem;
  padding: 0.6rem 0.9rem;
  border: 1px dashed rgba(255, 182, 0, 0.45);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
}
.lockbar a {
  color: var(--signal);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}
.lockbar a:hover { color: var(--ink); }

/* ---------- access strip ---------- */
.access {
  margin: 3.5rem 0 1rem;
  border: 1px solid var(--edge);
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  padding: clamp(1.6rem, 4vw, 2.6rem);
  position: relative;
  overflow: hidden;
}
.access::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--gradient);
}
.access h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.access p { color: var(--dim); max-width: 38em; margin-top: 0.6rem; }
.access form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.4rem;
  max-width: 34rem;
}
.access input[type="email"] {
  flex: 1 1 14rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--void);
  border: 1px solid var(--edge);
  padding: 0.8em 1em;
  transition: border-color 150ms ease;
}
.access input[type="email"]::placeholder { color: var(--faint); }
.access input[type="email"]:focus {
  outline: none;
  border-color: var(--cerise);
  box-shadow: 0 0 0 3px rgba(229, 0, 164, 0.15);
}
.access button {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  background: var(--gradient);
  border: none;
  padding: 0.8em 1.6em;
  cursor: pointer;
  transition: filter 150ms ease, transform 150ms ease;
}
.access button:hover { filter: brightness(1.15) saturate(1.1); transform: translateY(-1px); }
.access button:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
.access .note {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-top: 1rem;
}
.access .status-line { color: var(--cerise); }
.access .sent {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--signal);
  margin-top: 1.2rem;
}
.access.dispatched .sent { display: block; }
.access.dispatched form { opacity: 0.35; pointer-events: none; }
.access .err {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--magenta);
  margin-top: 1.2rem;
}
.access .err[hidden] { display: none; }

/* ---------- footer ---------- */
footer {
  margin-top: 4rem;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--edge);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--faint);
  text-transform: uppercase;
}
footer p + p { margin-top: 0.6rem; }
footer a {
  color: var(--dim);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 150ms ease;
}
footer a:hover { color: var(--cerise); }
footer .stamp { opacity: 0.55; font-size: 0.6rem; margin-top: 1.2rem; }

/* =========================================================
   AMBIENT MODE — everything below only exists when opted in.
   The class lives on <html>, set before paint. This is the old
   always-on chaos, quarantined behind the toggle.
   ========================================================= */
.vhs, .bleed { display: none; }

.ambient .vhs {
  display: block;
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg,
    transparent 0px, rgba(255, 255, 255, 0.028) 1px,
    transparent 2px, transparent 4px);
  pointer-events: none;
  z-index: 10;
  animation: vhs-track 0.12s infinite;
}
@keyframes vhs-track { 0% { transform: translateY(0); } 100% { transform: translateY(4px); } }

.ambient .bleed {
  display: block;
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 18% 25%, rgba(106, 0, 244, 0.10) 0%, transparent 50%),
    radial-gradient(ellipse at 82% 70%, rgba(242, 0, 137, 0.10) 0%, transparent 50%);
  pointer-events: none;
  z-index: 9;
  animation: bleed-pulse 7s ease-in-out infinite;
}
@keyframes bleed-pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

.ambient .hero h1 { animation: title-stutter 8s steps(1) infinite; }
@keyframes title-stutter {
  0%, 93%, 100% { transform: translate(0, 0); filter: none; }
  94% { transform: translate(-4px, 1px) scaleX(1.01); filter: saturate(1.6); }
  95% { transform: translate(5px, -1px) scaleX(0.99); filter: saturate(2) contrast(1.2); }
  96% { transform: translate(-2px, 0)  scaleX(1); filter: saturate(1.3); }
  97% { transform: translate(0, 0); filter: none; }
}

/* ---------- reduced motion: everything stops, ambient loses meaning ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .ambient-toggle { display: none; }
}

@media (max-width: 640px) {
  .card { padding: 2rem 1.3rem 1.3rem; }
  .access form { flex-direction: column; }
  .access button { width: 100%; }
}
