/* ==========================================================================
   PegesisOS — Apple‑style HUD hero (ultra-polished)
   File: /static/pegesis_ags_os.css
   ========================================================================== */

/* =========================
   Root tokens / foundations
   ========================= */
:root {
  color-scheme: dark;

  /* Cinematic base */
  --hud-bg: #0B0F13; /* matched to HUD footage */
  --hud-bg-strong: #070a0d;

  /* Text */
  --text-main: #f5f5f7;
  --text-subtle: #c8c8cc;
  --text-dim: #a3a3a9;

  /* Pills */
  --chip-bg: rgba(255,255,255,0.08);
  --chip-bg-hover: rgba(255,255,255,0.12);
  --chip-border: rgba(255,255,255,0.20);
  --chip-border-strong: rgba(255,255,255,0.28);
  --chip-text: #f5f5f7;
  --chip-accent-grad-top: rgba(255,255,255,0.16);
  --chip-accent-grad-bot: rgba(255,255,255,0.09);

  /* Card */
  --card-bg: rgba(18,18,20,0.56);
  --card-bg-strong: rgba(18,18,20,0.68);
  --card-border: rgba(255,255,255,0.12);
  --card-shadow: 0 14px 44px rgba(0,0,0,.38);

  /* Overlay highlight (canvas) */
  --ring-stroke: rgba(134, 253, 253, 0.95);
  --ring-fill:   rgba(134, 253, 253, 0.10);

  /* Motion */
  --ease: cubic-bezier(.2,.8,.2,1);
  --ease-out: cubic-bezier(.16,.84,.44,1);
  --duration-quick: .18s;
  --duration: .28s;

  /* Type scale (fluid) */
  --chip-font: clamp(11px, 1.1vw, 13px);
  --card-title: clamp(18px, 2.2vw, 20px);
  --card-body: clamp(12.5px, 1.6vw, 14px);

  /* Layout */
  --hero-inset-l: max(4%, env(safe-area-inset-left));
  --hero-inset-r: max(4%, env(safe-area-inset-right));
  --hero-inset-b: max(6%, calc(env(safe-area-inset-bottom) + 4%));
}

/* Light mode: keep hero cinematic but adjust surfaces */
html.light {
  color-scheme: light;
  --hud-bg: #0B0F13; /* still dark for cinematic feel */
  --text-main: #0b0b0f;
  --text-subtle: #2b2b31;
  --text-dim: #3a3a42;

  --chip-text: #0b0b0f;
  --chip-bg: rgba(0,0,0,0.06);
  --chip-bg-hover: rgba(0,0,0,0.10);
  --chip-border: rgba(0,0,0,0.14);
  --chip-border-strong: rgba(0,0,0,0.22);

  --card-bg: rgba(255,255,255,0.70);
  --card-bg-strong: rgba(255,255,255,0.82);
  --card-border: rgba(0,0,0,0.10);
}

/* Crisp type rendering */
* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* =========================
   HERO LAYERING
   ========================= */
.hero {
  position: relative;
  background: var(--hud-bg);
  color: var(--text-main);
  contain: layout paint;
}

.hud-wrap {
  position: sticky; inset-block-start: 0;
  height: 100svh;
  width: 100%;
  overflow: hidden;
  background: var(--hud-bg);
  isolation: isolate; /* paints stacking context for layers */
}

/* Video shows entire frame (letterboxed) */
#hudVideo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center center;
  z-index: 0;
}

/* Cinematic vignette (no banding — gradient + noise dithering) */
.hud-wrap::after {
  content: "";
  position: absolute; inset: 0;
  z-index: 1; pointer-events: none;
  background-image:
    radial-gradient(
      120% 120% at 50% 50%,
      rgba(0,0,0,0.00) 42%,
      rgba(0,0,0,0.06) 62%,
      rgba(0,0,0,0.12) 76%,
      rgba(0,0,0,0.18) 88%,
      rgba(0,0,0,0.22) 100%
    ),
    url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAQAAADZ5x6NAAAADUlEQVQImWNgoB9gYGBgAAE8AAQh0p1uAAAAAElFTkSuQmCC");
  background-size: 100% 100%, 4px 4px;
  background-repeat: no-repeat, repeat;
  mix-blend-mode: normal;
  opacity: .96;
}

/* Overlay canvases */
#hudOverlay,
#hudLeader {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
#hudOverlay { z-index: 2; }
#hudLeader  { z-index: 3; }

/* =========================
   FROSTED PILLS (chips)
   ========================= */
.chip {
  position: absolute;
  padding: .46rem .78rem;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--chip-text);
  border: 1px solid var(--chip-border);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.36), inset 0 1px 0 rgba(255,255,255,0.06);
  font: 600 var(--chip-font)/1.2 system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, sans-serif;
  letter-spacing: .012em;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(6px) scale(.985);
  transition: opacity var(--duration) var(--ease),
              transform var(--duration) var(--ease),
              filter .18s var(--ease-out),
              background-color var(--duration-quick) var(--ease);
  z-index: 4;
}
.chip.show { opacity: 1; transform: translateY(0) scale(1); }
.chip:hover { filter: brightness(1.06); background-color: var(--chip-bg-hover); }
.chip:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--chip-border-strong), 0 0 0 6px rgba(134,253,253,.25);
}

/* Accent pill variant */
.pill {
  background: linear-gradient(180deg, var(--chip-accent-grad-top), var(--chip-accent-grad-bot));
  border-color: var(--chip-border-strong);
  color: #e8faff;
}

/* (Optional) gentle float-on-enter for premium feel */
@keyframes chipFloat {
  from { transform: translateY(10px) scale(.985); opacity: 0; }
  to   { transform: translateY(0)    scale(1);    opacity: 1; }
}
.chip.show { animation: chipFloat .36s var(--ease) both; }

/* Suggested starting positions; JS can reposition as needed */
#callout-core   { left: 62%; top: 22%; }
#callout-policy { left: 20%; top: 58%; }
#callout-memory { left: 12%; top: 14%; }
#chip-policy    { left: 22%; top: 70%; }

/* =========================
   Narrative info card
   ========================= */
.hud-card {
  position: absolute;
  inset: auto var(--hero-inset-r) var(--hero-inset-b) var(--hero-inset-l);
  max-width: clamp(280px, 40vw, 420px);
  padding: 14px 16px 16px;
  border-radius: 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  box-shadow: var(--card-shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
  z-index: 5;
}
.hud-card.show { opacity: 1; transform: translateY(0); }
.hud-card:hover { background: var(--card-bg-strong); }

.hud-card h3 {
  margin: 0 0 6px;
  font: 700 var(--card-title)/1.25 ui-sans-serif, -apple-system, system-ui, Segoe UI, Roboto, "Helvetica Neue", Arial, sans-serif;
  letter-spacing: .01em;
}
.hud-card p {
  margin: 0;
  color: var(--text-subtle);
  font: 400 var(--card-body)/1.45 ui-sans-serif, -apple-system, system-ui, Segoe UI, Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Auto-right variant (toggle via JS when plate center is left-biased) */
.hud-card.right { inset: auto var(--hero-inset-l) var(--hero-inset-b) auto; }

/* =========================
   Scroll track
   ========================= */
.scroll-track .spacer { min-height: 300svh; }

/* =========================
   Responsive polish
   ========================= */
@media (max-width: 1200px) {
  #callout-core   { left: 58%; top: 20%; }
  #callout-policy { left: 14%; top: 64%; }
  #callout-memory { left: 10%; top: 12%; }
  #chip-policy    { left: 18%; top: 74%; }
}

@media (max-width: 840px) {
  .hud-card { max-width: min(86vw, 420px); }
}

@media (max-width: 640px) {
  /* tighter insets on phones, preserve safe areas */
  :root {
    --hero-inset-l: max(3%, env(safe-area-inset-left));
    --hero-inset-r: max(3%, env(safe-area-inset-right));
    --hero-inset-b: max(7%, calc(env(safe-area-inset-bottom) + 5%));
  }
  .hud-card { padding: 12px 14px 14px; border-radius: 14px; }
  .chip { padding: .40rem .70rem; }
}

/* Higher contrast users prefer slightly stronger outlines */
@media (prefers-contrast: more) {
  .chip { border-color: var(--chip-border-strong); }
  .hud-card { border-color: color-mix(in oklab, var(--card-border), white 16%); }
}

/* Reduced Motion accessibility */
@media (prefers-reduced-motion: reduce) {
  .chip, .hud-card { transition: none !important; animation: none !important; transform: none !important; }
}

/* =========================
   Layering guarantees (debug)
   ========================= */
/* Uncomment to visualize layer bounds */
/*
#hero, .hud-wrap, #hudVideo, #hudOverlay, #hudLeader, .hud-card, .chip {
  outline: 1px dashed rgba(255,255,255,.14);
}
*/