/* ═══════════════════════════════════════════════════════════════
   TENET5 — 1950s Archival Film Theme
   8mm film grain, wartime documentary aesthetic, Nuremberg gravity.
   Every number is a body. Every page is evidence. This is the record.

   TENET5 — Powered by LIRIL AI | SEED 118400
   ═══════════════════════════════════════════════════════════════ */

/* ── Archival Typewriter Fonts ─────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Special+Elite&family=Courier+Prime:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --film-parchment:   #d4c5a9;
  --film-dark:        #1a1610;
  --film-sepia:       #8b7355;
  --film-blood:       #8b1a1a;
  --film-stamp-red:   #c41e3a;
  --film-ink:         #2a2218;
  --film-scratch:     rgba(255, 248, 230, 0.03);
  --font-typewriter:  'Special Elite', 'Courier Prime', 'Courier New', monospace;
  --font-archival:    'Courier Prime', 'IBM Plex Mono', monospace;
}

/* ── 8mm Film Grain Overlay ───────────────────────────────────── */
/* SVG noise filter for authentic film grain texture               */
.film-grain-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9990;
  mix-blend-mode: overlay;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

@keyframes filmGrainShift {
  0%, 100% { transform: translate(0, 0); }
}

/* ── Geographical Mapping / OSINT Topography ──────────────────── */
.topography-layer {
  position: fixed;
  top: -50vh; left: -50vw; 
  width: 200vw; height: 200vh;
  background: url('../images/cinematic/topography_map_2.png') repeat;
  background-size: 800px;
  pointer-events: none;
  z-index: -1;
  mix-blend-mode: color-dodge;
  opacity: 0.18;
  animation: topography-drift 180s linear infinite;
  filter: sepia(0.2) hue-rotate(220deg);
}

@keyframes topography-drift {
  from { transform: translate(0, 0); }
  to { transform: translate(-800px, -800px); }
}

/* ── Scan Lines (CRT / old projector) ─────────────────────────── */
.film-scanlines {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9989;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  opacity: 0.4;
}

/* ── Vignette (burned film edges) ─────────────────────────────── */
.film-vignette {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9988;
  background: radial-gradient(
    ellipse 75% 65% at 50% 50%,
    transparent 50%,
    rgba(10, 8, 4, 0.45) 85%,
    rgba(5, 3, 1, 0.7) 100%
  );
}

/* ── Film Scratches (vertical lines, random position) ─────────── */
.film-scratches {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9991;
  opacity: 0.06;
  background:
    linear-gradient(90deg, transparent 23%, rgba(255,250,240,0.15) 23.2%, transparent 23.4%),
    linear-gradient(90deg, transparent 67%, rgba(255,250,240,0.08) 67.1%, transparent 67.3%),
    linear-gradient(90deg, transparent 41%, rgba(255,250,240,0.12) 41.15%, transparent 41.3%),
    linear-gradient(90deg, transparent 89%, rgba(255,250,240,0.1) 89.1%, transparent 89.25%);
}

@keyframes filmScratchDrift {
  0%, 100% { transform: translateX(0); }
}

/* ── EVIDENCE / CLASSIFIED Stamps ─────────────────────────────── */
.evidence-stamp {
  position: relative;
}
.evidence-stamp::before {
  content: 'EVIDENCE';
  position: absolute;
  top: -8px; right: 12px;
  font-family: var(--font-typewriter);
  font-size: 0.6rem;
  letter-spacing: 3px;
  color: var(--film-stamp-red);
  border: 2px solid var(--film-stamp-red);
  padding: 2px 8px;
  transform: rotate(-3deg);
  opacity: 0.7;
  pointer-events: none;
  text-transform: uppercase;
}

.classified-stamp::before {
  content: 'CLASSIFIED';
  color: var(--film-blood);
  border-color: var(--film-blood);
}

.exhibit-stamp::before {
  content: 'EXHIBIT';
}

/* ── Typewriter Text Effect ───────────────────────────────────── */
.typewriter-text {
  font-family: var(--font-typewriter);
  letter-spacing: 0.5px;
  line-height: 1.8;
}

/* Typewriter cursor blink */
.typewriter-cursor::after {
  content: '|';
  animation: cursorBlink 0.8s step-end infinite;
  color: var(--film-stamp-red);
  font-weight: 400;
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── Film Countdown Leader (3... 2... 1...) ───────────────────── */
.film-countdown {
  font-family: var(--font-typewriter);
  font-size: 6rem;
  font-weight: 700;
  color: var(--film-parchment);
  text-shadow: 0 0 20px rgba(212, 197, 169, 0.3);
  opacity: 0.15;
  position: absolute;
  top: 10px;
  right: 20px;
  pointer-events: none;
  transform: rotate(-2deg);
}

/* ── Flickering Statistics (old CRT / film projector) ─────────── */
.flicker-stat {
  animation: crtFlicker 3s ease-in-out infinite;
}

@keyframes crtFlicker {
  0%, 94%, 100% { opacity: 1; }
  95% { opacity: 0.7; }
  96% { opacity: 1; }
  97% { opacity: 0.85; }
  98% { opacity: 1; }
}

/* ── Aged Paper Texture (for quote blocks) ────────────────────── */
.aged-paper {
  background:
    linear-gradient(135deg, rgba(212,197,169,0.04) 0%, transparent 60%),
    linear-gradient(225deg, rgba(139,115,85,0.03) 0%, transparent 40%);
  border: 1px solid rgba(212, 197, 169, 0.12);
  border-radius: 2px;
  position: relative;
}
.aged-paper::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.4' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23p)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
  border-radius: inherit;
}

/* ── Manila Folder Tab (for cross-link grids) ─────────────────── */
.manila-tab {
  background: rgba(212, 197, 169, 0.06) !important;
  border: 1px solid rgba(212, 197, 169, 0.15) !important;
  border-top: 3px solid rgba(196, 30, 58, 0.5) !important;
  font-family: var(--font-archival) !important;
  position: relative;
}
.manila-tab::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212,197,169,0.2), transparent);
}

/* ── Film Sprocket Holes (decorative side borders) ────────────── */
.sprocket-border {
  position: relative;
}
.sprocket-border::before,
.sprocket-border::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 20px;
  background: repeating-linear-gradient(
    180deg,
    transparent 0px,
    transparent 12px,
    rgba(255,255,255,0.03) 12px,
    rgba(255,255,255,0.03) 16px,
    transparent 16px,
    transparent 28px
  );
  pointer-events: none;
}
.sprocket-border::before { left: 0; }
.sprocket-border::after { right: 0; }

/* ── Archival Section Divider ─────────────────────────────────── */
.archival-divider {
  border: none;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 5%,
    rgba(212, 197, 169, 0.2) 20%,
    rgba(196, 30, 58, 0.3) 50%,
    rgba(212, 197, 169, 0.2) 80%,
    transparent 95%
  );
  margin: 2rem 0;
  position: relative;
}
.archival-divider::after {
  content: '\2022  \2022  \2022';
  position: absolute;
  top: -8px; left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  color: rgba(212, 197, 169, 0.3);
  background: var(--bg, #0c1220);
  padding: 0 12px;
  letter-spacing: 4px;
}

/* ── Film Gate Flicker (page transition) ──────────────────────── */
.film-gate-flash {
  animation: gateFlash 0.3s ease-out;
}

@keyframes gateFlash {
  0%   { filter: brightness(3) contrast(0.5); }
  30%  { filter: brightness(1.5) contrast(0.8); }
  100% { filter: brightness(1) contrast(1); }
}

/* ── Sepia Tint for Images ────────────────────────────────────── */
img.archival-photo {
  filter: sepia(0.3) contrast(1.1) brightness(0.95);
  border: 3px solid rgba(212, 197, 169, 0.15);
  border-radius: 1px;
}

/* ── Override Headings to Typewriter ───────────────────────────── */
.section-heading,
.page-hero h1,
.hero-vc h1,
.hero-nc h1,
h1.typewriter {
  font-family: var(--font-typewriter) !important;
  letter-spacing: 1px;
}

/* ── Evidence Card Film Treatment ─────────────────────────────── */
.pipeline-card,
.evidence-cinematic,
.glass-card {
  border-left: 3px solid rgba(196, 30, 58, 0.4);
}

/* ── Page Hero Film Overlay ───────────────────────────────────── */
.page-hero,
.hero-vc,
.hero-nc,
[class*="hero-"] {
  position: relative;
}
.page-hero::after,
.hero-vc::after,
.hero-nc::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    linear-gradient(180deg, rgba(26,22,16,0.3) 0%, transparent 30%, transparent 70%, rgba(26,22,16,0.4) 100%),
    radial-gradient(ellipse at 50% 50%, transparent 60%, rgba(10,8,4,0.3) 100%);
  pointer-events: none;
  z-index: 1;
}

/* ── Mobile: reduce effects for performance ───────────────────── */
@media (max-width: 768px) {
  .film-grain-overlay { opacity: 0.06; }
  .film-scanlines { opacity: 0.2; }
  .film-scratches { display: none; }
  .film-countdown { font-size: 3rem; }
}

/* ── Reduced Motion: disable grain animation ──────────────────── */
@media (prefers-reduced-motion: reduce) {
  .film-grain-overlay { animation: none; }
  .film-scratches { animation: none; }
  .flicker-stat { animation: none; }
  .typewriter-cursor::after { animation: none; }
}

/* ═══════════════════════════════════════════════════════
   LIRIL COGNITIVE PERCEPTION CLASSES
   Dynamically reduces cognitive load on dense OSINT walls
   ═══════════════════════════════════════════════════════ */
.perception-dense {
  position: relative;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.cognitive-spaced {
  margin-bottom: 2rem !important;
  border-bottom: 1px dashed rgba(139, 92, 246, 0.2);
  padding-bottom: 2rem !important;
}

.cognitive-focus {
  display: inline-block;
  background: rgba(139, 92, 246, 0.15);
  color: #c4b5fd;
  padding: 0 4px;
  border-radius: 3px;
  border-bottom: 2px solid rgba(139, 92, 246, 0.6);
  font-weight: 700;
  transform-origin: center bottom;
  transition: transform 0.2s ease, text-shadow 0.2s ease, background 0.2s ease;
  cursor: help;
}

.cognitive-focus:hover {
  transform: scale(1.05);
  background: rgba(139, 92, 246, 0.3);
  text-shadow: 0 0 10px rgba(139, 92, 246, 0.8);
}

.perception-dense.cognitive-dim {
  opacity: 0.25 !important;
  transform: scale(0.98);
  filter: blur(1px);
}