/* === BASE RESET & VARIABLES === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root {
  --midnight-burgundy: #1A0A10;
  --clotted-wine: #2D0A1A;
  --dried-blood: #4A0E2B;
  --signal-red: #C4384B;
  --parchment-tan: #D4C5B5;
  --bone-white: #F2E8DC;
  --circuit-teal: #1B8A8F;
  --absolute-black: #0A0407;
  --font-display: 'Archivo Black', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--midnight-burgundy);
  color: var(--parchment-tan);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(0.95rem, 1.1vw, 1.15rem);
  line-height: 1.72;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  position: relative;
}

/* === NOISE GRAIN OVERLAY === */
.noise-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.04;
}

/* === BACKGROUND TECH LINES === */
.tech-lines {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.tech-svg {
  width: 200%;
  height: 100%;
  animation: drift 60s linear infinite;
}

@keyframes drift {
  from { transform: translateX(0); }
  to { transform: translateX(-200px); }
}

/* === GUTTER BACKGROUND GRID === */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background:
    linear-gradient(90deg, rgba(74,14,43,0.15) 1px, transparent 1px),
    linear-gradient(rgba(74,14,43,0.15) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 0;
  pointer-events: none;
}

/* === QR DECORATION === */
.qr-decoration {
  position: fixed;
  bottom: 24px; left: 24px;
  width: 64px; height: 64px;
  z-index: 5;
  pointer-events: none;
  opacity: 0.5;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  width: 100%; height: 100%;
  gap: 1px;
}

/* QR cells generated via JS */

/* === FRAGMENTED TITLE CARD === */
.title-card {
  min-height: 100vh;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(6, 1fr);
  position: relative;
  z-index: 2;
  padding: 2rem;
  background: linear-gradient(135deg, var(--midnight-burgundy), var(--clotted-wine), rgba(27,138,143,0.08));
}

.title-fragment {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  border-radius: 2px;
  box-shadow: 8px 8px 0px var(--absolute-black);
  opacity: 0;
  transform: translateX(var(--entry-x)) translateY(20px) rotate(var(--entry-rot));
  transition: opacity 700ms cubic-bezier(0.34, 1.56, 0.64, 1),
              transform 700ms cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform, opacity;
}

.title-fragment.visible {
  opacity: 1;
  transform: translateX(0) translateY(0) rotate(0deg);
}

.frag-1 {
  grid-column: 1 / 5;
  grid-row: 1 / 3;
  background: var(--signal-red);
  color: var(--bone-white);
  font-size: clamp(4rem, 12vw, 10rem);
  z-index: 5;
}

.frag-2 {
  grid-column: 4 / 10;
  grid-row: 2 / 4;
  background: var(--clotted-wine);
  color: var(--bone-white);
  font-size: clamp(4rem, 12vw, 10rem);
  z-index: 4;
}

.frag-3 {
  grid-column: 7 / 12;
  grid-row: 3 / 5;
  background: var(--dried-blood);
  color: var(--parchment-tan);
  font-size: clamp(3rem, 10vw, 8rem);
  z-index: 6;
}

.frag-4 {
  grid-column: 10 / 13;
  grid-row: 4 / 6;
  background: var(--midnight-burgundy);
  color: var(--signal-red);
  font-size: clamp(3rem, 10vw, 8rem);
  border: 2px solid var(--signal-red);
  z-index: 7;
}

.frag-5 {
  grid-column: 2 / 4;
  grid-row: 5 / 7;
  background: var(--absolute-black);
  color: var(--circuit-teal);
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 3rem);
  letter-spacing: 0.08em;
  z-index: 3;
}

.barcode-strip {
  position: absolute;
  bottom: 10%;
  left: 30%;
  width: 200px;
  height: 40px;
  background: repeating-linear-gradient(
    90deg,
    var(--signal-red) 0px, var(--signal-red) 2px,
    var(--bone-white) 2px, var(--bone-white) 4px,
    var(--signal-red) 4px, var(--signal-red) 5px,
    transparent 5px, transparent 7px,
    var(--bone-white) 7px, var(--bone-white) 10px,
    var(--signal-red) 10px, var(--signal-red) 11px,
    transparent 11px, transparent 14px
  );
  opacity: 0.6;
  z-index: 2;
}

/* === MAIN CONTENT GRID === */
.content-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
  padding: 3rem 2rem;
  position: relative;
  z-index: 2;
}

/* === MODULE BASE === */
.module {
  background: var(--clotted-wine);
  border-radius: 2px;
  box-shadow: 8px 8px 0px var(--absolute-black);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateX(var(--entry-x)) translateY(20px) rotate(var(--entry-rot));
  transition: opacity 700ms cubic-bezier(0.34, 1.56, 0.64, 1),
              transform 700ms cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform, opacity;
}

.module.visible {
  opacity: 1;
  transform: translateX(0) translateY(0) rotate(0deg);
}

/* === MODULE GRID POSITIONS === */
/* ORIGIN */
.module-origin-1 { grid-column: 1 / 8; }
.module-origin-2 { grid-column: 6 / 13; background: var(--dried-blood); }
.module-origin-3 { grid-column: 2 / 6; background: var(--midnight-burgundy); border: 1px solid var(--dried-blood); }

/* SIGNAL */
.module-signal-1 { grid-column: 4 / 13; }
.module-signal-2 { grid-column: 1 / 6; background: var(--absolute-black); }
.module-signal-3 { grid-column: 7 / 12; background: var(--dried-blood); }

/* TRAVERSE */
.module-traverse-1 { grid-column: 1 / 9; }
.module-traverse-2 { grid-column: 8 / 13; background: var(--midnight-burgundy); border: 1px solid var(--signal-red); }
.module-traverse-3 { grid-column: 3 / 8; background: var(--absolute-black); }

/* ARTIFACT */
.module-artifact-1 { grid-column: 5 / 13; }
.module-artifact-2 { grid-column: 1 / 7; background: var(--midnight-burgundy); }
.module-artifact-3 { grid-column: 6 / 12; background: var(--dried-blood); }

/* TRANSMIT */
.module-transmit-1 { grid-column: 1 / 8; background: var(--absolute-black); }
.module-transmit-2 { grid-column: 7 / 13; }
.module-transmit-3 { grid-column: 3 / 10; background: var(--midnight-burgundy); border: 2px solid var(--signal-red); }

/* === TYPOGRAPHY === */
.section-label {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 0.9vw, 0.85rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal-red);
  margin-bottom: 0.5rem;
}

.module-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--bone-white);
  line-height: 1.05;
  margin-bottom: 1rem;
}

.module-body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--parchment-tan);
  max-width: 60ch;
  margin-bottom: 1.5rem;
}

.module-body.large-body {
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  font-weight: 300;
  line-height: 1.8;
}

.module-quote {
  font-family: var(--font-body);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  color: var(--bone-white);
  line-height: 1.5;
  border-left: 3px solid var(--signal-red);
  padding-left: 1.5rem;
}

/* === COUNTER BLOCKS === */
.counter-block {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.counter-label {
  font-family: var(--font-mono);
  font-size: clamp(0.65rem, 0.8vw, 0.8rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal-red);
}

.counter-value {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  color: var(--signal-red);
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.counter-num {
  display: inline;
}

.blink-cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--signal-red);
  animation: blink 1s step-end infinite;
  vertical-align: middle;
  margin-left: 2px;
}

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

.counter-unit {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 0.9vw, 0.85rem);
  letter-spacing: 0.08em;
  color: var(--parchment-tan);
  opacity: 0.6;
}

/* === DECORATIVE ELEMENTS === */
.sticker-round {
  position: absolute;
  top: -12px; right: -12px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--signal-red);
  color: var(--bone-white);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(12deg);
  z-index: 10;
  box-shadow: 2px 2px 0 var(--absolute-black);
}

.sticker-tape {
  position: absolute;
  bottom: 12px; right: -8px;
  background: var(--bone-white);
  color: var(--absolute-black);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  padding: 4px 18px;
  transform: rotate(-5deg);
  z-index: 10;
}

.halftone-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(circle, var(--signal-red) 1px, transparent 1px);
  background-size: 4px 4px;
  opacity: 0.06;
  pointer-events: none;
  z-index: 1;
}

.torn-edge {
  position: absolute;
  top: 0; right: 0;
  width: 100%; height: 100%;
  clip-path: polygon(
    0% 0%, 95% 0%, 97% 3%, 94% 5%, 98% 8%, 96% 12%, 100% 15%,
    100% 100%, 0% 100%
  );
  background: rgba(74,14,43,0.15);
  pointer-events: none;
  z-index: 0;
}

.barcode-border {
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 6px;
  background: repeating-linear-gradient(
    90deg,
    var(--signal-red) 0px, var(--signal-red) 2px,
    transparent 2px, transparent 4px,
    var(--bone-white) 4px, var(--bone-white) 5px,
    transparent 5px, transparent 8px
  );
}

/* === SIGNAL GRID SVG === */
.signal-grid {
  margin: 1.5rem 0;
}

.signal-grid svg {
  width: 100%;
  max-width: 400px;
  height: auto;
}

/* === ARTIFACT SVG === */
.artifact-display {
  display: flex;
  justify-content: center;
  padding: 2rem 0;
}

.artifact-svg {
  width: 160px;
  height: 160px;
  animation: artifact-pulse 4s ease-in-out infinite;
}

@keyframes artifact-pulse {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

/* === RADIAL NAVIGATION === */
.nav-toggle {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--signal-red);
  border: none;
  cursor: pointer;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 4px 4px 0 var(--absolute-black);
  transition: transform 0.2s ease;
}

.nav-toggle:hover {
  transform: scale(1.08);
}

.nav-icon {
  width: 22px;
  height: 2px;
  background: var(--bone-white);
  position: relative;
}

.nav-icon::before,
.nav-icon::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 2px;
  background: var(--bone-white);
  left: 0;
}

.nav-icon::before { top: -7px; }
.nav-icon::after { top: 7px; }

.nav-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(45,10,26,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.nav-close {
  position: absolute;
  top: 24px; right: 24px;
  background: none;
  border: none;
  color: var(--bone-white);
  font-size: 2rem;
  cursor: pointer;
  z-index: 9999;
}

.nav-link {
  position: absolute;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 3rem);
  text-transform: uppercase;
  color: var(--bone-white);
  text-decoration: none;
  letter-spacing: -0.01em;
  background-image: linear-gradient(var(--signal-red), var(--signal-red));
  background-size: 0% 3px;
  background-repeat: no-repeat;
  background-position: left bottom;
  transition: background-size 0.4s ease;
  padding-bottom: 4px;
}

.nav-link:hover {
  background-size: 100% 3px;
  color: var(--signal-red);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .content-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
    padding: 1.5rem 1rem;
  }

  .module-origin-1,
  .module-origin-2,
  .module-origin-3,
  .module-signal-1,
  .module-signal-2,
  .module-signal-3,
  .module-traverse-1,
  .module-traverse-2,
  .module-traverse-3,
  .module-artifact-1,
  .module-artifact-2,
  .module-artifact-3,
  .module-transmit-1,
  .module-transmit-2,
  .module-transmit-3 {
    grid-column: 1 / -1;
  }

  .title-card {
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: repeat(8, 1fr);
    padding: 1rem;
  }

  .frag-1 { grid-column: 1 / 4; grid-row: 1 / 3; font-size: clamp(2.5rem, 10vw, 5rem); }
  .frag-2 { grid-column: 2 / 6; grid-row: 2 / 4; font-size: clamp(2.5rem, 10vw, 5rem); }
  .frag-3 { grid-column: 3 / 7; grid-row: 4 / 6; font-size: clamp(2rem, 8vw, 4rem); }
  .frag-4 { grid-column: 4 / 7; grid-row: 5 / 7; font-size: clamp(2rem, 8vw, 4rem); }
  .frag-5 { grid-column: 1 / 3; grid-row: 7 / 9; }

  .nav-link {
    font-size: clamp(1.2rem, 5vw, 2rem);
  }

  .qr-decoration { display: none; }
}