/* ============================================================================
   BioBits.CL — Website visual layer (Andean Glitch)
   Depends on ../colors_and_type.css tokens.
   ========================================================================== */

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-0);
  color: var(--fg-1);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--cyan); color: var(--primary-fg); }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ----------------------------------------------------------------------------
   GLOBAL AMBIENT BACKGROUND — obsidian + faint cyan topographic grid
   ---------------------------------------------------------------------------- */
.bb-page {
  position: relative;
  min-height: 100vh;
  overflow-x: clip;
  background:
    radial-gradient(900px 600px at 78% -8%, rgba(0,240,255,0.07), transparent 60%),
    radial-gradient(700px 500px at 12% 8%, rgba(112,0,255,0.06), transparent 60%),
    var(--bg-0);
}
/* fine engineering grid overlay, very subtle */
.bb-grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 90%);
}
/* global scanline shimmer */
.bb-scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 3px,
    rgba(0,0,0,0.18) 4px
  );
  opacity: 0.35;
  mix-blend-mode: multiply;
}

.bb-shell { position: relative; z-index: 2; }

/* container */
.bb-container { width: min(1240px, 92vw); margin-inline: auto; }
.bb-section { padding: var(--sp-10) 0; }
@media (max-width: 760px) { .bb-section { padding: var(--sp-9) 0; } }

/* ----------------------------------------------------------------------------
   SECTION HEADER
   ---------------------------------------------------------------------------- */
.bb-sechead { display: flex; flex-direction: column; gap: var(--sp-4); max-width: 760px; }
.bb-sechead .eb { display: inline-flex; align-items: center; gap: 10px; }
.bb-sechead .eb::before {
  content: ""; width: 26px; height: 1px; background: var(--cyan);
  box-shadow: var(--glow-text-cyan);
}

/* ----------------------------------------------------------------------------
   BUTTONS
   ---------------------------------------------------------------------------- */
.bb-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 14px 22px; border-radius: var(--r-sm);
  transition: all var(--dur-med) var(--ease-out);
  position: relative; white-space: nowrap;
}
.bb-btn .ico { width: 16px; height: 16px; flex: none; }

/* primary — cyan fill */
.bb-btn--primary { background: var(--cyan); color: var(--primary-fg); font-weight: 400; box-shadow: var(--glow-cyan); }
.bb-btn--primary:hover { background: var(--cyan-bright); box-shadow: var(--glow-cyan-lg); transform: translateY(-1px); }
.bb-btn--primary:active { transform: translateY(0) scale(0.985); background: var(--cyan-deep); }

/* accent — lime fill (CTA emphasis) */
.bb-btn--accent { background: var(--lime); color: var(--accent-fg); box-shadow: var(--glow-lime); }
.bb-btn--accent:hover { background: #d4ff66; transform: translateY(-1px); }
.bb-btn--accent:active { transform: translateY(0) scale(0.985); }

/* ghost — cyan outline */
.bb-btn--ghost { background: transparent; color: var(--cyan); box-shadow: inset 0 0 0 1px var(--line-cyan); }
.bb-btn--ghost:hover { background: var(--cyan-tint); box-shadow: inset 0 0 0 1px var(--cyan); }
.bb-btn--ghost:active { transform: scale(0.985); }

/* subtle — neutral */
.bb-btn--subtle { background: var(--bg-2); color: var(--fg-0); box-shadow: inset 0 0 0 1px var(--line); }
.bb-btn--subtle:hover { background: var(--bg-3); box-shadow: inset 0 0 0 1px var(--line-strong); }

.bb-btn--lg { padding: 17px 28px; font-size: 14px; }
.bb-btn--sm { padding: 10px 16px; font-size: 12px; }

/* ----------------------------------------------------------------------------
   BADGES / CHIPS
   ---------------------------------------------------------------------------- */
.bb-chip {
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 6px 11px; border-radius: var(--r-sm);
  background: var(--cyan-tint); color: var(--cyan);
  box-shadow: inset 0 0 0 1px var(--line-cyan);
}
.bb-chip--lime { background: var(--lime-tint); color: var(--lime); box-shadow: inset 0 0 0 1px rgba(196,249,71,0.3); }
.bb-chip--neutral { background: var(--bg-2); color: var(--fg-1); box-shadow: inset 0 0 0 1px var(--line); }
.bb-chip .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }

/* conservation status badge */
.bb-status {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 10px; border-radius: var(--r-sm);
  background: var(--bg-1);
}
.bb-status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--c); box-shadow: 0 0 8px var(--c); }
.bb-status { color: var(--fg-1); box-shadow: inset 0 0 0 1px var(--line); }

/* ----------------------------------------------------------------------------
   HUD FRAME — corner-ticked panel, the signature container
   ---------------------------------------------------------------------------- */
.bb-hud { position: relative; }
.bb-hud::before, .bb-hud::after {
  content: ""; position: absolute; width: 14px; height: 14px; pointer-events: none;
}
.bb-hud::before { top: -1px; left: -1px; border-top: 1.5px solid var(--cyan); border-left: 1.5px solid var(--cyan); }
.bb-hud::after  { bottom: -1px; right: -1px; border-bottom: 1.5px solid var(--cyan); border-right: 1.5px solid var(--cyan); }

/* image panel — dark holo placeholder with grid + reticle */
.bb-imgpanel {
  position: relative; overflow: hidden; background: var(--bg-1);
  box-shadow: inset 0 0 0 1px var(--line);
  background-image:
    radial-gradient(120% 80% at 50% 0%, rgba(0,240,255,0.08), transparent 60%),
    linear-gradient(to right, rgba(0,240,255,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,240,255,0.05) 1px, transparent 1px);
  background-size: 100% 100%, 28px 28px, 28px 28px;
}

/* ----------------------------------------------------------------------------
   NAV
   ---------------------------------------------------------------------------- */
.bb-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background var(--dur-med), box-shadow var(--dur-med), backdrop-filter var(--dur-med);
}
.bb-nav.scrolled {
  background: rgba(18,18,18,0.78); backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 8px 30px -20px rgba(0,0,0,0.9);
}
.bb-nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.bb-nav-logo { display: flex; align-items: center; gap: 12px; }
.bb-nav-logo img { height: 34px; width: auto; }
.bb-nav-links { display: flex; align-items: center; gap: 4px; }
.bb-nav-link {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg-1); padding: 9px 13px; border-radius: var(--r-sm); position: relative;
  transition: color var(--dur-fast);
}
.bb-nav-link:hover { color: var(--fg-0); }
.bb-nav-link.active { color: var(--cyan); }
.bb-nav-link.active::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 2px; height: 1px;
  background: var(--cyan); box-shadow: var(--glow-text-cyan);
}
.bb-nav-burger { display: none; }
@media (max-width: 940px) {
  .bb-nav-links { display: none; }
  .bb-nav-burger { display: inline-flex; padding: 10px; }
}

/* ----------------------------------------------------------------------------
   HERO
   ---------------------------------------------------------------------------- */
.bb-hero { position: relative; padding-top: 150px; padding-bottom: var(--sp-9); overflow-x: clip; }
.bb-hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--sp-7); align-items: center; }
.bb-hero-grid > * { min-width: 0; }
@media (max-width: 960px) { .bb-hero-grid { grid-template-columns: 1fr; gap: var(--sp-6); } }
.bb-hero h1.bb-display { font-size: clamp(34px, 4.4vw, 72px); line-height: 1.03; }

.bb-hero-visual { position: relative; aspect-ratio: 1/1; }
.bb-hero-fox { position: absolute; inset: 0; display: grid; place-items: center; }
.bb-hero-fox img { width: 86%; filter: drop-shadow(0 0 50px rgba(0,240,255,0.28)); }
/* rotating reticle ring behind fox */
.bb-reticle {
  position: absolute; inset: 6%; border-radius: 50%;
  border: 1px dashed rgba(0,240,255,0.25);
  /* animation overridden by glitch section below */
}
.bb-reticle::after {
  content: ""; position: absolute; inset: 9%; border-radius: 50%;
  border: 1px solid rgba(112,0,255,0.18);
}
@keyframes bb-spin { to { transform: rotate(360deg); } }

/* hero HUD corner readouts */
.bb-hero-readout {
  position: absolute; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  color: var(--cyan); text-transform: uppercase; opacity: 0.85;
}

/* ----------------------------------------------------------------------------
   STAT BAND
   ---------------------------------------------------------------------------- */
.bb-statband { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 760px) { .bb-statband { grid-template-columns: repeat(2, 1fr); } }
.bb-stat { background: var(--bg-1); padding: var(--sp-6) var(--sp-5); }
.bb-stat .num { font-family: var(--font-display); font-weight: 700; font-size: clamp(38px,4vw,56px); line-height: 1; color: var(--lime); text-shadow: var(--glow-text-lime); }
.bb-stat .lbl { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-2); margin-top: 10px; }

/* ----------------------------------------------------------------------------
   SPECIES CARDS
   ---------------------------------------------------------------------------- */
.bb-species-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
@media (max-width: 980px) { .bb-species-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .bb-species-grid { grid-template-columns: 1fr; } }

.bb-card {
  position: relative; background: var(--bg-1); border: 1px solid var(--line);
  border-radius: var(--r-md); overflow: hidden; cursor: pointer;
  transition: border-color var(--dur-med), transform var(--dur-med), box-shadow var(--dur-med);
}
.bb-card:hover { border-color: var(--line-cyan); transform: translateY(-3px); box-shadow: var(--glow-cyan), var(--shadow-lg); }
.bb-card-media { position: relative; aspect-ratio: 4/3; }
.bb-card-media image-slot { width: 100%; height: 100%; }
.bb-card-media .scrim { position: absolute; inset: 0; background: linear-gradient(to top, var(--bg-1) 4%, transparent 55%); pointer-events: none; }
.bb-card-media .topbar { position: absolute; top: 10px; left: 10px; right: 10px; display: flex; justify-content: space-between; align-items: flex-start; pointer-events: none; }
.bb-card-body { padding: var(--sp-4) var(--sp-5) var(--sp-5); }
.bb-card-sci { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.04em; color: var(--cyan); font-style: italic; }
.bb-card-name { margin-top: 4px; }
.bb-card-hook { margin-top: 10px; }
.bb-card-data { margin-top: var(--sp-4); padding-top: var(--sp-4); border-top: 1px dashed var(--line-strong); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.bb-card-data .k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-2); }
.bb-card-data .v { font-family: var(--font-mono); font-size: 13px; color: var(--lime); }
.bb-card .arrow { color: var(--cyan); transition: transform var(--dur-med); }
.bb-card:hover .arrow { transform: translateX(4px); }

/* ----------------------------------------------------------------------------
   PILLARS
   ---------------------------------------------------------------------------- */
.bb-pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); }
@media (max-width: 980px) { .bb-pillars { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .bb-pillars { grid-template-columns: 1fr; } }
.bb-pillar {
  position: relative; background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: var(--sp-5); transition: all var(--dur-med); overflow: hidden;
}
.bb-pillar:hover { border-color: var(--line-cyan); background: var(--bg-2); }
.bb-pillar .idx { font-family: var(--font-mono); font-size: 12px; color: var(--cyan); letter-spacing: 0.1em; }
.bb-pillar .ico { width: 30px; height: 30px; color: var(--cyan); margin: var(--sp-4) 0; }
.bb-pillar:hover .ico { color: var(--lime); }

/* ----------------------------------------------------------------------------
   MITO VS REALIDAD
   ---------------------------------------------------------------------------- */
.bb-myth { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
@media (max-width: 760px) { .bb-myth { grid-template-columns: 1fr; } }
.bb-myth-col { padding: var(--sp-6); border-radius: var(--r-md); }
.bb-myth-col.mito { background: var(--bg-1); border: 1px solid var(--line); }
.bb-myth-col.real { background: linear-gradient(180deg, rgba(0,240,255,0.06), transparent), var(--bg-1); border: 1px solid var(--line-cyan); }
.bb-myth-label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; display: flex; align-items: center; gap: 8px; }
.bb-myth-col.mito .bb-myth-label { color: var(--danger); }
.bb-myth-col.real .bb-myth-label { color: var(--cyan); }

/* ----------------------------------------------------------------------------
   METHODOLOGY PIPELINE
   ---------------------------------------------------------------------------- */
.bb-pipe { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
@media (max-width: 860px) { .bb-pipe { grid-template-columns: 1fr; } }
.bb-pipe-step { position: relative; padding: var(--sp-5) var(--sp-5) var(--sp-5) 0; }
.bb-pipe-step .n {
  font-family: var(--font-mono); font-size: 12px; color: var(--obsidian);
  width: 30px; height: 30px; border-radius: 50%; background: var(--cyan); display: grid; place-items: center;
  box-shadow: var(--glow-cyan); position: relative; z-index: 2;
}
.bb-pipe-step .line { position: absolute; top: calc(var(--sp-5) + 15px); left: 30px; right: 0; height: 1px; background: var(--line-strong); }
.bb-pipe-step:last-child .line { display: none; }
@media (max-width: 860px) { .bb-pipe-step .line { display: none; } }

/* ----------------------------------------------------------------------------
   CONTACT FORM
   ---------------------------------------------------------------------------- */
.bb-field { display: flex; flex-direction: column; gap: 8px; }
.bb-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-2); }
.bb-input, .bb-textarea, .bb-select {
  font-family: var(--font-body); font-size: 15px; color: var(--fg-0);
  background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 13px 14px; transition: all var(--dur-fast); width: 100%;
}
.bb-input:focus, .bb-textarea:focus, .bb-select:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px var(--cyan-tint); }
.bb-input::placeholder, .bb-textarea::placeholder { color: var(--fg-3); }
.bb-textarea { resize: vertical; min-height: 120px; }

/* ----------------------------------------------------------------------------
   FOOTER
   ---------------------------------------------------------------------------- */
.bb-footer { border-top: 1px solid var(--line); padding: var(--sp-8) 0 var(--sp-6); position: relative; z-index: 2; background: var(--bg-0); }
.bb-footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--sp-6); }
@media (max-width: 760px) { .bb-footer-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-5); } }
.bb-foot-h { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-2); margin-bottom: var(--sp-4); }
.bb-foot-link { display: block; color: var(--fg-1); font-size: 14px; padding: 5px 0; transition: color var(--dur-fast); }
.bb-foot-link:hover { color: var(--cyan); }

/* ----------------------------------------------------------------------------
   MODAL (species detail)
   ---------------------------------------------------------------------------- */
.bb-modal-scrim { position: fixed; inset: 0; z-index: 100; background: rgba(8,8,9,0.82); backdrop-filter: blur(8px); display: grid; place-items: center; padding: var(--sp-5); animation: bb-fade var(--dur-med) var(--ease-out); }
@keyframes bb-fade { from { opacity: 0; } }
.bb-modal { width: min(960px, 96vw); max-height: 90vh; overflow-y: auto; background: var(--bg-1); border: 1px solid var(--line-cyan); border-radius: var(--r-lg); box-shadow: var(--shadow-lg), var(--glow-cyan-lg); animation: bb-rise var(--dur-slow) var(--ease-out); }
@keyframes bb-rise { from { opacity: 0; transform: translateY(20px) scale(0.99); } }
.bb-modal::-webkit-scrollbar { width: 10px; }
.bb-modal::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 10px; }

/* utility */
.bb-divider { height: 1px; background: var(--line); }
.glitch-hover:hover { animation: bb-glitch 0.4s steps(2) 1; }
@keyframes bb-glitch {
  0% { text-shadow: 0.04em 0 var(--violet), -0.04em 0 var(--cyan); transform: translateX(0); }
  25% { transform: translateX(-1px); }
  50% { text-shadow: -0.04em 0 var(--violet), 0.04em 0 var(--cyan); transform: translateX(1px); }
  100% { text-shadow: 0.022em 0 var(--violet), -0.022em 0 var(--cyan); transform: translateX(0); }
}

/* ============================================================================
   HERO GLITCH ANIMATIONS — Andean Glitch live effects
   ============================================================================ */

/* ── 1. "Fauna chilena," — RGB-split text burst ──────────────────────────── */
@keyframes bb-glitch-rgb {
  /* idle */
  0%, 80%, 100% {
    text-shadow: 0.022em 0 var(--violet), -0.022em 0 var(--cyan);
    transform: translateX(0);
    filter: none;
  }
  /* burst 1 */
  81%   { text-shadow:  0.12em 0 var(--cyan),  -0.10em 0 var(--violet); transform: translateX(-4px); filter: brightness(1.5); }
  82.5% { text-shadow: -0.10em 0 var(--cyan),   0.10em 0 var(--violet); transform: translateX( 4px); filter: brightness(0.75); }
  84%   { text-shadow:  0.05em 0 var(--violet), -0.05em 0 var(--cyan);  transform: translateX(-1px); filter: none; }
  85%   { text-shadow:  0.022em 0 var(--violet),-0.022em 0 var(--cyan); transform: translateX(0); }
  /* burst 2 */
  92%   { text-shadow: -0.14em 0 var(--cyan),   0.14em 0 var(--violet); transform: translateX( 5px); filter: brightness(1.7); }
  93.5% { text-shadow:  0.08em 0 var(--violet), -0.08em 0 var(--cyan);  transform: translateX(-2px); filter: brightness(0.8); }
  95%   { text-shadow:  0.022em 0 var(--violet),-0.022em 0 var(--cyan); transform: translateX(0);    filter: none; }
}

.bb-glitch {
  display: inline-block;
  animation: bb-glitch-rgb 4.2s linear infinite;
}

/* ── 2. "decodificada." — horizontal slice distortion ───────────────────── */
@keyframes bb-glitch-slice {
  0%, 85%, 100% { clip-path: none; transform: translateX(0);    filter: none; }
  /* slice burst */
  86%  { clip-path: polygon(0 10%, 100% 10%, 100% 38%, 0 38%); transform: translateX( 7px); filter: brightness(1.6) saturate(1.4); }
  87%  { clip-path: polygon(0 55%, 100% 55%, 100% 82%, 0 82%); transform: translateX(-5px); filter: brightness(0.85); }
  88%  { clip-path: polygon(0  0%, 100%  0%, 100% 28%, 0 28%); transform: translateX( 3px); filter: none; }
  89%  { clip-path: none;                                        transform: translateX(0); }
  /* second slice */
  94%  { clip-path: polygon(0 40%, 100% 40%, 100% 68%, 0 68%); transform: translateX(-9px); filter: brightness(1.9) hue-rotate(15deg); }
  95.5%{ clip-path: polygon(0  0%, 100%  0%, 100%100%, 0 100%); transform: translateX( 2px); filter: none; }
  96.5%{ clip-path: none;                                        transform: translateX(0); }
}

.bb-gradient-text {
  display: inline-block;
  animation: bb-glitch-slice 5.8s ease-in-out infinite;
}

/* ── 3. Fox / isotipo — filter + scale glitch ───────────────────────────── */
@keyframes bb-fox-glitch {
  0%, 76%, 100% {
    filter: drop-shadow(0 0 50px rgba(0,240,255,0.28));
    transform: translateX(0) scale(1);
  }
  77%  { filter: drop-shadow(0 0 70px rgba(0,240,255,0.9)) hue-rotate( 50deg) brightness(1.5); transform: translateX(-5px) scale(1.012); }
  78%  { filter: drop-shadow(0 0 60px rgba(112,0,255,0.8)) hue-rotate(-25deg) brightness(0.7); transform: translateX( 5px) scale(0.988); }
  79%  { filter: drop-shadow(0 0 40px rgba(196,249,71,0.6)) hue-rotate( 10deg) brightness(1.3); transform: translateX(-2px) scale(1); }
  80%  { filter: drop-shadow(0 0 50px rgba(0,240,255,0.28)); transform: translateX(0) scale(1); }
  /* second hit */
  89%  { filter: drop-shadow(0 0 90px rgba(0,240,255,1)) hue-rotate(80deg) brightness(1.8) saturate(2); transform: translateX( 6px) scale(1.018); }
  90.5%{ filter: drop-shadow(0 0 55px rgba(112,0,255,0.7)) hue-rotate(-40deg) brightness(0.65); transform: translateX(-4px) scale(0.982); }
  92%  { filter: drop-shadow(0 0 50px rgba(0,240,255,0.28)); transform: translateX(0) scale(1); }
}

.bb-hero-fox img {
  animation: bb-fox-glitch 6.4s ease-in-out infinite;
}

/* ── 4. HUD readouts — opacity + x flicker ──────────────────────────────── */
@keyframes bb-hud-flicker {
  0%, 68%, 100% { opacity: 0.85; transform: translateX(0); }
  69%  { opacity: 0.15; transform: translateX(-3px); }
  70%  { opacity: 1;    transform: translateX( 2px); }
  71%  { opacity: 0.55; transform: translateX(0); }
  72%  { opacity: 0.85; }
  /* second */
  84%  { opacity: 0.2;  transform: translateX( 4px); }
  85%  { opacity: 1;    transform: translateX(-1px); }
  86%  { opacity: 0.85; transform: translateX(0); }
}

.bb-hero-readout { animation: bb-hud-flicker 7s ease-in-out infinite; }
.bb-hero-readout:nth-child(4) { animation-delay: -1.8s; }
.bb-hero-readout:nth-child(5) { animation-delay: -3.5s; }
.bb-hero-readout:nth-child(6) { animation-delay: -5.2s; }

/* ── 5. Reticle ring — glitch pulse ─────────────────────────────────────── */
.bb-reticle {
  position: absolute; inset: 6%; border-radius: 50%;
  border: 1px dashed rgba(0,240,255,0.25);
  animation: bb-spin 60s linear infinite, bb-reticle-glitch 5.5s ease-in-out infinite;
}
@keyframes bb-reticle-glitch {
  0%, 83%, 100% { opacity: 1; border-color: rgba(0,240,255,0.25); transform: rotate(0deg) scale(1); }
  84%  { opacity: 0.25; border-color: rgba(196,249,71,0.6); transform: rotate( 2deg) scale(1.03); }
  85%  { opacity: 0.7;  border-color: rgba(112,0,255,0.5);  transform: rotate(-1deg) scale(0.97); }
  86%  { opacity: 1;    border-color: rgba(0,240,255,0.25); transform: rotate(0deg)  scale(1); }
}

/* ── 6. Hero visual — moving cyan scan beam ─────────────────────────────── */
.bb-hero-visual::after {
  content: "";
  position: absolute;
  left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(0,240,255,0.65) 50%, transparent 100%);
  animation: bb-scan-beam 5s linear infinite;
  pointer-events: none; z-index: 3;
}
@keyframes bb-scan-beam {
  0%   { top:   0%; opacity: 0; }
  4%   { opacity: 0.85; }
  96%  { opacity: 0.4; }
  100% { top: 100%; opacity: 0; }
}

/* ============================================================================
   SECUENCIA INTRODUCCIÓN — ESTILOS COMPLEMENTARIOS (ANDEAN GLITCH)
   ========================================================================== */

/* ── 1. Splash Screen Carga ────────────────────────────────────────────── */
.intro-splash-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--void);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.intro-splash-hud {
  width: min(540px, 90vw);
  background: var(--bg-1);
  border: 1px solid var(--line);
  padding: var(--sp-7) var(--sp-6);
  border-radius: var(--r-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-5);
  box-shadow: var(--shadow-lg);
}

.intro-splash-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: var(--cyan);
  margin-left: 6px;
  animation: intro-blink 0.8s steps(2) infinite;
  vertical-align: middle;
}

@keyframes intro-blink {
  50% { opacity: 0; }
}

/* ── 2. Scroll Video Container ─────────────────────────────────────────── */
.intro-scroll-outer {
  width: 100%;
  height: 850vh;
  position: relative;
  background: var(--void);
}

/* ── 6. HUD Scroll dynamic warning indicator ────────────────────────────── */
.intro-scroll-indicator {
  position: absolute;
  bottom: var(--sp-9); /* positioned above the coordinate bar */
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-sm);
  transition: all var(--dur-med) var(--ease-out);
  width: max-content;
  max-width: 90vw;
}

.intro-scroll-indicator.active {
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.2);
  text-shadow: var(--glow-text-cyan);
}

.intro-scroll-indicator.idle {
  color: var(--lime);
  background: rgba(196, 249, 71, 0.07);
  border: 1px solid rgba(196, 249, 71, 0.35);
  animation: indicator-flash 0.8s ease-in-out infinite alternate;
  text-shadow: var(--glow-text-lime);
}

@keyframes indicator-flash {
  0% { opacity: 0.55; box-shadow: 0 0 4px rgba(196, 249, 71, 0.1); }
  100% { opacity: 1; box-shadow: 0 0 16px rgba(196, 249, 71, 0.4); }
}


.intro-scroll-sticky {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--void);
  animation: intro-boot-glitch 0.9s steps(2) 1 both;
}

.intro-scroll-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.08) contrast(1.08) brightness(0.92);
  animation: intro-video-rgb-boot 1.15s steps(2) 1 both;
}

.intro-scroll-scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(8,8,9,0.1) 0%, rgba(8,8,9,0.85) 90%);
  z-index: 2;
}

/* ── 3. HUD overlays float on scroll video ────────────────────────────── */
.intro-scroll-hud-top {
  position: absolute;
  top: var(--sp-5);
  left: var(--sp-6);
  right: var(--sp-6);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  z-index: 3;
}

.intro-scroll-hud-bottom {
  position: absolute;
  bottom: var(--sp-5);
  left: var(--sp-6);
  right: var(--sp-6);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  z-index: 3;
}

/* ── 4. Floating CTA Button ───────────────────────────────────────────── */
.intro-scroll-cta-container {
  position: absolute;
  top: 72%;
  left: 50%;
  transform: translate(-50%, 0);
  z-index: 10;
  text-align: center;
  width: 90%;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  pointer-events: none;

  /* HUD enclosure — backdrop-filter + borde cian para armonizar con la escena */
  background: rgba(18, 18, 18, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-md);
  padding: var(--sp-5) var(--sp-6);
  box-shadow: var(--shadow-lg), var(--glow-cyan);

  /* Transición suave al aparecer */
  opacity: 0;
  transform: translate(-50%, 0) scale(0.96);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.intro-culpeo-sigil {
  position: absolute;
  top: 38%;
  left: 50%;
  z-index: 9;
  width: min(300px, 42vw);
  transform: translate(-50%, -50%) scale(0.82);
  opacity: 0;
  pointer-events: none;
  filter: drop-shadow(0 0 34px rgba(0,240,255,0.38)) drop-shadow(0 0 18px rgba(196,249,71,0.18));
  transition: opacity 0.4s ease, transform 0.45s var(--ease-out);
}

.intro-culpeo-sigil.visible {
  opacity: 0.92;
  transform: translate(-50%, -50%) scale(1);
  animation: intro-culpeo-glitch 1.25s steps(2) 1 both;
}

.intro-culpeo-sigil img {
  width: 100%;
  height: auto;
  opacity: 0.94;
}

.intro-scroll-cta-container.visible {
  pointer-events: auto;
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
  animation: intro-cta-glitch-in 0.72s steps(2) 1 both;
}

.intro-cta-btn {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: var(--sp-5) var(--sp-6);
  border-radius: var(--r-sm);
  background: var(--lime);
  color: var(--accent-fg);
  box-shadow: var(--glow-lime);
  transition: all var(--dur-med) var(--ease-out);
  text-transform: uppercase;
  border: 1px solid var(--lime);
}

.intro-cta-btn:hover {
  background: #d4ff66;
  box-shadow: 0 0 28px rgba(196,249,71,0.8);
  transform: translateY(-2px) scale(1.02);
}

.intro-cta-btn:active {
  transform: translateY(0) scale(0.985);
}

.intro-cta-tip {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: intro-pulse 1.8s ease-in-out infinite;
  text-shadow: var(--glow-text-cyan);
}

@keyframes intro-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@keyframes intro-boot-glitch {
  0% { opacity: 0; filter: hue-rotate(110deg) contrast(2.2); transform: translateX(-16px) skewX(6deg); }
  9% { opacity: 1; transform: translateX(14px) skewX(-5deg); }
  16% { clip-path: inset(32% 0 46% 0); transform: translateX(-10px); }
  22% { clip-path: inset(0); transform: translateX(0); }
  34% { filter: hue-rotate(250deg) contrast(1.8) brightness(1.35); }
  46% { filter: hue-rotate(0deg) contrast(1.05) brightness(0.95); }
  100% { opacity: 1; filter: none; transform: none; }
}

@keyframes intro-video-rgb-boot {
  0% { filter: saturate(2) hue-rotate(180deg) contrast(2.3); transform: scale(1.035) translateX(-12px); }
  12% { filter: saturate(1.8) hue-rotate(270deg) contrast(1.9); transform: scale(1.025) translateX(10px); }
  26% { filter: saturate(1.25) contrast(1.35) brightness(1.15); transform: scale(1.012) translateX(-4px); }
  100% { filter: saturate(1.08) contrast(1.08) brightness(0.92); transform: scale(1); }
}

@keyframes intro-cta-glitch-in {
  0% { opacity: 0; filter: hue-rotate(160deg) contrast(2); clip-path: inset(45% 0 42% 0); transform: translate(-52%, 0) scale(1.04); }
  18% { opacity: 1; clip-path: inset(0 0 74% 0); transform: translate(-48%, 0) scale(0.98); }
  34% { clip-path: inset(70% 0 0 0); transform: translate(-51%, 0) scale(1.02); }
  48% { clip-path: inset(0); filter: hue-rotate(0deg) contrast(1); transform: translate(-50%, 0) scale(1); }
  100% { opacity: 1; clip-path: inset(0); filter: none; transform: translate(-50%, 0) scale(1); }
}

@keyframes intro-culpeo-glitch {
  0% { opacity: 0; filter: hue-rotate(180deg) contrast(2.1) drop-shadow(12px 0 0 rgba(0,240,255,0.5)); clip-path: inset(45% 0 40% 0); }
  12% { opacity: 1; transform: translate(-54%, -50%) scale(1.04); clip-path: inset(0 0 64% 0); }
  24% { transform: translate(-46%, -50%) scale(0.98); clip-path: inset(66% 0 0 0); }
  42% { transform: translate(-50%, -50%) scale(1.02); filter: hue-rotate(250deg) contrast(1.6) drop-shadow(-10px 0 0 rgba(112,0,255,0.4)); clip-path: inset(0); }
  100% { opacity: 0.92; transform: translate(-50%, -50%) scale(1); filter: drop-shadow(0 0 34px rgba(0,240,255,0.38)) drop-shadow(0 0 18px rgba(196,249,71,0.18)); clip-path: inset(0); }
}

/* ── 5. Full-Screen Glitch Transition ────────────────────────────────── */
.full-glitch-overlay {
  position: fixed;
  inset: 0;
  z-index: 15000;
  background: #121212;
  pointer-events: none;
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.full-glitch-overlay.active {
  opacity: 1;
  pointer-events: all;
  animation: screen-shake 0.3s steps(4) infinite;
}

/* Glitch layers */
.glitch-slice-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  mix-blend-mode: screen;
}

.glitch-slice-layer.c {
  filter: saturate(0) sepia(1) hue-rotate(155deg) saturate(12) brightness(1.5);
  animation: slice-c 0.4s steps(2) infinite;
}

.glitch-slice-layer.v {
  filter: saturate(0) sepia(1) hue-rotate(255deg) saturate(9) brightness(1.3);
  animation: slice-v 0.4s steps(2) alternate infinite;
}

/* White noise static */
.glitch-static-layer {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  pointer-events: none;
  background: repeating-radial-gradient(circle, #fff 0px, #fff 1px, transparent 1px, transparent 100%),
              repeating-linear-gradient(0deg, rgba(0,0,0,0.3) 0px, rgba(0,0,0,0.3) 1px, transparent 1px, transparent 100%);
  background-size: 5px 5px, 100% 4px;
  animation: static-flicker 0.15s linear infinite;
}

@keyframes static-flicker {
  0% { transform: translate(0, 0); }
  50% { transform: translate(-1px, 2px); }
  100% { transform: translate(1px, -1px); }
}

@keyframes screen-shake {
  0% { transform: translate(0, 0) skewX(0deg); }
  25% { transform: translate(3px, -2px) skewX(2deg); }
  50% { transform: translate(-2px, 3px) skewX(-1deg); }
  75% { transform: translate(-3px, -1px) skewX(3deg); }
  100% { transform: translate(2px, 2px) skewX(0deg); }
}

@keyframes slice-c {
  0% { transform: translate(-5px, 2px) scale(1.02); clip-path: polygon(0 15%, 100% 15%, 100% 40%, 0 40%); }
  50% { transform: translate(7px, -4px) scale(0.99); clip-path: polygon(0 60%, 100% 60%, 100% 85%, 0 85%); }
  100% { transform: translate(-5px, 2px) scale(1.02); clip-path: polygon(0 15%, 100% 15%, 100% 40%, 0 40%); }
}

@keyframes slice-v {
  0% { transform: translate(4px, -3px) scale(0.98); clip-path: polygon(0 30%, 100% 30%, 100% 55%, 0 55%); }
  50% { transform: translate(-6px, 5px) scale(1.03); clip-path: polygon(0 5%, 100% 5%, 100% 25%, 0 25%); }
  100% { transform: translate(4px, -3px) scale(0.98); clip-path: polygon(0 30%, 100% 30%, 100% 55%, 0 55%); }
}

/* ============================================================================
   REEL VIDEO MODAL — Andean Glitch player (BunnyCDN iframe)
   ============================================================================ */

.bb-reel-scrim {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(4,4,6,0.88);
  backdrop-filter: blur(12px);
  display: grid; place-items: center;
  padding: 24px;
  animation: bb-reel-scrim-in 0.35s var(--ease-out);
}
@keyframes bb-reel-scrim-in { from { opacity: 0; } }

.bb-reel-player {
  position: relative;
  width: min(960px, 94vw);
  background: #080809;
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-md);
  box-shadow: var(--glow-cyan-lg), 0 0 80px rgba(0,0,0,0.9);
  overflow: hidden;
  animation: bb-reel-enter 0.6s cubic-bezier(0.16,1,0.3,1);
}
@keyframes bb-reel-enter {
  0%   { clip-path: polygon(0 0,100% 0,100% 0,0 0);        filter: brightness(4) hue-rotate(180deg); transform: scaleY(0.05) translateY(-20px); }
  18%  { clip-path: polygon(0 0,100% 0,100% 22%,0 22%);    filter: brightness(2.5) hue-rotate(80deg);  transform: scaleY(0.3) translateX(6px); }
  32%  { clip-path: polygon(0 0,100% 0,100% 12%,0 12%);    filter: brightness(1.8); transform: scaleY(0.4) translateX(-4px); }
  48%  { clip-path: polygon(0 0,100% 0,100% 100%,0 100%);  filter: brightness(1.4); transform: scaleY(1.02) translateX(2px); }
  64%  { filter: brightness(0.85); transform: scaleY(0.98) translateX(0); }
  100% { clip-path: polygon(0 0,100% 0,100% 100%,0 100%);  filter: brightness(1); transform: none; }
}

.bb-reel-scanlines {
  position: absolute; inset: 0; pointer-events: none; z-index: 10;
  background: repeating-linear-gradient(
    0deg, transparent 0px, transparent 3px,
    rgba(0,0,0,0.14) 3px, rgba(0,0,0,0.14) 4px
  );
  opacity: 0.55;
}

.bb-reel-scan-beam {
  position: absolute; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0,240,255,0.7) 50%, transparent);
  animation: bb-scan-beam 4s linear infinite;
  pointer-events: none; z-index: 11;
}
@keyframes bb-scan-beam {
  0%   { top: 0%; opacity: 0; }
  6%   { opacity: 0.85; }
  94%  { opacity: 0.4; }
  100% { top: 100%; opacity: 0; }
}

.bb-reel-vignette {
  position: absolute; inset: 0; pointer-events: none; z-index: 9;
  background: radial-gradient(ellipse at 50% 50%, transparent 60%, rgba(4,4,6,0.6) 100%);
}

.bb-reel-corners { position: absolute; inset: 12px; pointer-events: none; z-index: 12; }
.reel-corner {
  position: absolute; width: 36px; height: 36px;
  fill: none; stroke: rgba(0,240,255,0.6); stroke-width: 1.8; stroke-linecap: square;
}
.reel-corner.tl { top: 0; left: 0; }
.reel-corner.tr { top: 0; right: 0; }
.reel-corner.bl { bottom: 0; left: 0; }
.reel-corner.br { bottom: 0; right: 0; }

.bb-reel-hud-top, .bb-reel-hud-bot {
  position: relative; z-index: 13;
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 18px; background: rgba(8,8,9,0.78);
}
.bb-reel-hud-top { border-bottom: 1px solid rgba(0,240,255,0.18); }
.bb-reel-hud-bot { border-top:    1px solid rgba(0,240,255,0.18); }
.bb-reel-sys {
  font-family: 'Share Tech Mono', monospace; font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(0,240,255,0.78);
}
.bb-reel-rec {
  font-family: 'Share Tech Mono', monospace; font-size: 11px;
  letter-spacing: 0.12em; color: rgba(255,255,255,0.55);
  display: flex; align-items: center; gap: 5px;
}
.bb-reel-dot {
  color: #FF4D6D; font-size: 9px;
  animation: bb-rec-blink 1.4s ease-in-out infinite;
}
@keyframes bb-rec-blink { 0%, 50%, 100% { opacity: 1; } 25%, 75% { opacity: 0.18; } }

/* Iframe wrapper — 16:9 aspect ratio */
.bb-reel-video-wrap {
  position: relative; width: 100%; padding-top: 56.25%;
  background: #050507; z-index: 8;
}
.bb-reel-iframe {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  border: 0;
  animation: bb-reel-vid-enter 0.7s cubic-bezier(0.16,1,0.3,1);
}
@keyframes bb-reel-vid-enter {
  0%   { filter: brightness(3) hue-rotate(60deg); opacity: 0; }
  40%  { filter: brightness(1.4) hue-rotate(-20deg); opacity: 1; }
  100% { filter: none; opacity: 1; }
}

/* Placeholder when no video */
.bb-reel-soon {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 18px;
  background: radial-gradient(ellipse at center, rgba(0,240,255,0.06), transparent 70%);
}
.bb-reel-soon-icon { color: rgba(0,240,255,0.35); }
.bb-reel-soon-txt {
  font-family: var(--font-display), 'Orbitron', sans-serif;
  font-weight: 700; font-size: 22px;
  letter-spacing: 0.12em; color: var(--fg-0);
}
.bb-reel-soon-sub {
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px; letter-spacing: 0.14em;
  color: rgba(0,240,255,0.5);
}

/* Close button */
.bb-reel-close {
  position: absolute; top: -6px; right: -6px; z-index: 20;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(8,8,9,0.92);
  color: var(--fg-0);
  display: grid; place-items: center;
  border: 1px solid var(--line-cyan);
  box-shadow: 0 0 18px rgba(0,240,255,0.35);
  transition: transform 0.15s, border-color 0.15s, color 0.15s;
  cursor: pointer;
}
.bb-reel-close:hover { border-color: var(--cyan); color: var(--cyan); transform: scale(1.1); }