/* ==========================================================================
   home.css — Homepage: engraving × glitch / glitched antiquity
   Loaded only on index.html
   ========================================================================== */

/* ---- Nav: charcoal in dark mode, paper + dark text in light (like chapter pages) ---- */
.page-home .navbar {
  background: color-mix(in srgb, var(--color-background-charcoal) 96%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-dark);
  height: var(--nav-height);
}

[data-theme="light"] .page-home .navbar {
  background: color-mix(in srgb, var(--color-background-paper) 97%, transparent);
  border-bottom-color: var(--color-border-light);
  /* Ensure inherited/text tokens aren't washed out over dark hero */
  color: var(--color-text-dark);
}

/* ---- Grain / paper dust ---- */
.grain {
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.055;
  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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
  mix-blend-mode: overlay;
}

[data-theme="light"] .grain {
  opacity: 0.035;
  mix-blend-mode: multiply;
}

/* ---- Section themes ---- */
.section--light {
  background:
    radial-gradient(ellipse 80% 50% at 100% 0%, rgba(168, 84, 60, 0.04), transparent 50%),
    var(--color-background-paper);
  color: var(--color-text-dark);
  position: relative;
}

.section--light::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23p)'/%3E%3C/svg%3E");
  background-size: 220px;
  mix-blend-mode: multiply;
}

.section--light .prose p,
.section--light .intro__body p {
  color: var(--text-muted-on-light);
}

.section--light .callout--quote {
  --callout-color: var(--color-accent-rust);
  background: color-mix(in srgb, var(--color-accent-rust) 7%, transparent);
  border-radius: 0;
}

.section--light .callout__content {
  color: var(--text-muted-on-light);
  font-style: italic;
}

/* ---- Tags: thin mono frames ---- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25em 0.55em;
  border: 1px solid var(--color-border-dark);
  border-radius: 0;
  font-family: var(--font-interface-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--text-secondary);
  background: transparent;
}

.section--light .tag {
  border-color: var(--color-border-light);
  color: var(--text-muted-on-light);
  background: color-mix(in srgb, var(--color-text-dark) 3%, transparent);
}

/* ---- Text link CTA ---- */
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-interface-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--text-secondary);
  border-bottom: 1px solid transparent;
  padding-block: var(--space-2);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.btn-text:hover {
  color: var(--color-text-light);
  border-bottom-color: var(--color-accent-rust);
}

.btn-text--dark {
  color: var(--text-muted-on-light);
}

.btn-text--dark:hover {
  color: var(--color-text-dark);
  border-bottom-color: var(--color-accent-rust);
}

/* ---- Section head ---- */
.section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6) var(--space-8);
  align-items: start;
  margin-bottom: var(--space-12);
  text-align: left;
}

.section-head__index {
  font-family: var(--font-interface-mono);
  font-size: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  line-height: 1;
  color: var(--color-accent-rust);
  opacity: 0.55;
}

.section-head__title {
  font-family: var(--font-display-serif);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  text-wrap: balance;
}

.section-head__subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 42ch;
  line-height: var(--leading-normal);
}

.section-head--dark .section-head__title { color: var(--color-text-dark); }
.section-head--dark .section-head__subtitle { color: var(--text-muted-on-light); }
.section-head--dark .section-head__index { color: var(--color-accent-rust); opacity: 0.7; }

@media (max-width: 639px) {
  .section-head {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
}

/* ==========================================================================
   Hero — full-viewport engraving composition
   ========================================================================== */
.hero--engrave.hero {
  position: relative;
  min-height: 100dvh;
  display: block;
  align-items: stretch;
  justify-content: flex-start;
  overflow: hidden;
  padding: 0;
  text-align: left;
  background:
    radial-gradient(ellipse 55% 70% at 85% 45%, rgba(61, 26, 22, 0.45), transparent 60%),
    radial-gradient(ellipse 40% 50% at 10% 80%, rgba(12, 12, 14, 0.95), transparent 55%),
    var(--color-background-charcoal);
}

.hero--engrave::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background:
    linear-gradient(90deg, var(--color-background-charcoal) 0%, transparent 42%),
    radial-gradient(ellipse at 70% 50%, transparent 30%, rgba(0, 0, 0, 0.55) 100%);
  opacity: 1;
}

/* Terminal atmosphere */
.hero__atmosphere {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.term {
  position: absolute;
  font-family: var(--font-interface-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(235, 230, 220, 0.22);
  white-space: nowrap;
}

.term--1 { top: 14%; left: 4%; }
.term--2 { top: 22%; right: 6%; }
.term--3 { bottom: 18%; left: 5%; }
.term--4 { bottom: 12%; right: 8%; }
.term--5 { top: 48%; left: 3%; writing-mode: vertical-rl; transform: rotate(180deg); }

.hero__calib {
  position: absolute;
  background: rgba(235, 230, 220, 0.08);
}

.hero__calib--h {
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
}

.hero__calib--v {
  top: 0;
  bottom: 0;
  left: 58%;
  width: 1px;
}

@media (max-width: 899px) {
  .term--2,
  .term--4,
  .term--5,
  .hero__calib--v { display: none; }
}

/* Layout */
.hero__layout {
  position: relative;
  z-index: 4;
  width: 100%;
  max-width: none;
  margin-inline: 0;
  padding: calc(var(--nav-height) + var(--space-8)) var(--space-5) var(--space-12);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
  min-height: 100dvh;
  text-align: left;
}

@media (min-width: 900px) {
  .hero__layout {
    grid-template-columns: minmax(280px, 46%) 1fr;
    gap: 0;
    padding: 0;
    min-height: 100dvh;
    align-items: stretch;
  }
}

.hero__copy {
  position: relative;
  z-index: 5;
  max-width: 34rem;
  order: 1;
  text-align: left;
}

@media (min-width: 900px) {
  .hero__copy {
    order: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--nav-height) + var(--space-6)) var(--space-8) var(--space-16) clamp(1.5rem, 5vw, 4rem);
    max-width: none;
  }
}

.hero__visual {
  position: relative;
  order: 2;
  min-height: 48vh;
  overflow: hidden;
}

@media (min-width: 900px) {
  .hero__visual {
    order: 0;
    min-height: 100dvh;
    height: 100%;
    overflow: visible;
  }
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

/* Display serif title — compositional line breaks */
.hero--engrave .hero__title {
  margin: 0 0 var(--space-6);
  font-family: var(--font-display-serif);
  font-size: var(--text-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-light);
  text-wrap: balance;
}

.hero__line {
  display: block;
}

.hero__line--year {
  margin-top: 0.15em;
  font-family: var(--font-interface-mono);
  font-size: 0.28em;
  font-weight: 400;
  letter-spacing: var(--tracking-wider);
  color: var(--accent-beige);
  opacity: 0.75;
}

.hero--engrave .hero__subtitle {
  font-family: var(--font-body-sans);
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0 0 var(--space-8);
  max-width: 36ch;
}

.hero--engrave .hero__actions,
.hero--engrave.hero .hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  justify-content: flex-start !important;
}

/* Force square outline CTAs on home (no capsules) */
.page-home .btn,
.page-home .btn--primary,
.page-home .btn--nav {
  border-radius: 0 !important;
}

.hero__actions--start { justify-content: flex-start; }

/* Plate: unframed, oversized engraving — bleeds past viewport */
.hero__plate {
  position: relative;
  width: 100%;
  height: min(58vh, 520px);
  overflow: hidden;
  mask-image: linear-gradient(180deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

@media (min-width: 900px) {
  .hero__plate {
    position: absolute;
    top: 0;
    right: -12%;
    bottom: 0;
    left: auto;
    width: min(62vw, 780px);
    height: auto;
    mask-image: linear-gradient(90deg, transparent 0%, #000 18%, #000 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 18%, #000 100%);
  }
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 12%;
  display: block;
  /* Engraving plate already dark; mild grade + screen into charcoal field */
  filter: contrast(1.18) brightness(0.9) sepia(0.18) saturate(0.78);
  mix-blend-mode: screen;
  opacity: 0.95;
  transition: transform var(--duration-slow) var(--easing-editorial), opacity var(--transition-medium);
  will-change: transform, filter;
}

@media (min-width: 900px) {
  .hero__image {
    width: 118%;
    height: 108%;
    left: -6%;
    top: -4%;
    object-fit: cover;
  }
}

.hero__plate:hover .hero__image {
  transform: scale(1.03) translateX(2px);
  opacity: 1;
}

/* Chromatic fringe + scanline (static base) */
.hero__rgb {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  mix-blend-mode: screen;
  opacity: 0.4;
  background:
    linear-gradient(90deg, rgba(180, 40, 40, 0.14), transparent 10%, transparent 90%, rgba(0, 220, 170, 0.1));
}

.hero__halftone {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  opacity: 0.2;
  background-image: radial-gradient(circle, rgba(235, 230, 220, 0.55) 0.55px, transparent 0.7px);
  background-size: 4px 4px;
  mix-blend-mode: overlay;
  mask-image: linear-gradient(180deg, transparent 0%, #000 40%, #000 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 40%, #000 70%, transparent 100%);
}

.hero__glitch {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(235, 230, 220, 0.02) 2px,
    rgba(235, 230, 220, 0.02) 3px
  );
  opacity: 0.75;
}

/* ==========================================================================
   glitch-fx — cyberpunk × matrix × renaissance plate corruption
   Shared by hero plate + chapter-tier media
   ========================================================================== */
.glitch-fx {
  --glitch-pos: center center;
  --glitch-matrix: #00e5a8;
  --glitch-cyan: #4fd2ff;
  --glitch-rust: #c45a3a;
  isolation: isolate;
}

.glitch-fx__layer,
.glitch-fx__scan,
.glitch-fx__blocks,
.glitch-fx__matrix {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* RGB / matrix channel slices — same plate, offset + clip */
.glitch-fx__layer {
  z-index: 2;
  background-image: var(--glitch-src);
  background-size: cover;
  background-position: var(--glitch-pos);
  background-repeat: no-repeat;
  opacity: 0;
  will-change: transform, clip-path, opacity;
}

/* Red / rust channel (renaissance ink) */
.glitch-fx__layer--r {
  mix-blend-mode: screen;
  filter: contrast(1.25) sepia(0.45) saturate(2.4) hue-rotate(-18deg) brightness(1.05);
}

/* Cyan channel (cyber) */
.glitch-fx__layer--c {
  mix-blend-mode: screen;
  filter: contrast(1.2) sepia(0.2) saturate(3) hue-rotate(160deg) brightness(1.1);
}

/* Matrix green channel */
.glitch-fx__layer--g {
  mix-blend-mode: screen;
  filter: contrast(1.35) sepia(0.55) saturate(4.5) hue-rotate(85deg) brightness(1.15);
}

/* CRT / matrix scan sweep */
.glitch-fx__scan {
  z-index: 5;
  opacity: 0.55;
  background:
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 2px,
      rgba(0, 0, 0, 0.12) 2px,
      rgba(0, 0, 0, 0.12) 3px
    ),
    linear-gradient(
      180deg,
      transparent 0%,
      rgba(0, 229, 168, 0.04) 48%,
      rgba(0, 229, 168, 0.14) 50%,
      rgba(0, 229, 168, 0.04) 52%,
      transparent 100%
    );
  background-size: 100% 100%, 100% 220%;
  mix-blend-mode: soft-light;
}

/* Digital block corruption flashes */
.glitch-fx__blocks {
  z-index: 6;
  opacity: 0;
  background:
    linear-gradient(90deg, transparent 0%, transparent 12%, rgba(0, 229, 168, 0.18) 12%, rgba(0, 229, 168, 0.18) 14%, transparent 14%, transparent 61%, rgba(196, 90, 58, 0.22) 61%, rgba(196, 90, 58, 0.22) 67%, transparent 67%),
    linear-gradient(180deg, transparent 0%, transparent 28%, rgba(79, 210, 255, 0.12) 28%, rgba(79, 210, 255, 0.12) 31%, transparent 31%, transparent 72%, rgba(0, 0, 0, 0.45) 72%, rgba(0, 0, 0, 0.45) 78%, transparent 78%);
  mix-blend-mode: screen;
}

/* Falling matrix glyph rain (glyph columns via repeating gradients) */
.glitch-fx__matrix {
  z-index: 4;
  opacity: 0.12;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 11px,
      rgba(0, 229, 168, 0.07) 11px,
      rgba(0, 229, 168, 0.07) 12px,
      transparent 12px,
      transparent 27px
    ),
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent 6px,
      rgba(0, 229, 168, 0.09) 6px,
      rgba(0, 229, 168, 0.09) 7px,
      transparent 7px,
      transparent 18px
    );
  mix-blend-mode: screen;
  mask-image: linear-gradient(180deg, transparent 0%, #000 20%, #000 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 20%, #000 80%, transparent 100%);
}

/* Hero: oversized layers match oversized image */
@media (min-width: 900px) {
  .hero__plate.glitch-fx .glitch-fx__layer {
    width: 118%;
    height: 108%;
    left: -6%;
    top: -4%;
    right: auto;
    bottom: auto;
  }
}

/* ---- Glitch keyframes: long idle, short corruption bursts ---- */
@keyframes glitch-slice-r {
  0%, 88%, 100% {
    opacity: 0;
    transform: translate(0, 0);
    clip-path: inset(0 0 0 0);
  }
  89% {
    opacity: 0.7;
    transform: translate(6px, -2px);
    clip-path: inset(12% 0 62% 0);
  }
  91% {
    opacity: 0.55;
    transform: translate(-8px, 1px);
    clip-path: inset(48% 0 22% 0);
  }
  93% {
    opacity: 0.8;
    transform: translate(10px, 0);
    clip-path: inset(5% 0 78% 0);
  }
  95% {
    opacity: 0.35;
    transform: translate(-4px, 2px);
    clip-path: inset(70% 0 8% 0);
  }
  97% {
    opacity: 0;
    transform: translate(0, 0);
    clip-path: inset(0 0 0 0);
  }
}

@keyframes glitch-slice-c {
  0%, 86%, 100% {
    opacity: 0;
    transform: translate(0, 0);
    clip-path: inset(0 0 0 0);
  }
  87.5% {
    opacity: 0.65;
    transform: translate(-7px, 1px);
    clip-path: inset(22% 0 48% 0);
  }
  90% {
    opacity: 0.5;
    transform: translate(9px, -1px);
    clip-path: inset(58% 0 12% 0);
  }
  92.5% {
    opacity: 0.75;
    transform: translate(-11px, 0);
    clip-path: inset(0 0 70% 0);
  }
  95% {
    opacity: 0.4;
    transform: translate(5px, 2px);
    clip-path: inset(38% 0 40% 0);
  }
  97% {
    opacity: 0;
    transform: translate(0, 0);
    clip-path: inset(0 0 0 0);
  }
}

@keyframes glitch-slice-g {
  0%, 90%, 100% {
    opacity: 0;
    transform: translate(0, 0) skewX(0deg);
    clip-path: inset(0 0 0 0);
  }
  91% {
    opacity: 0.55;
    transform: translate(4px, 0) skewX(-1.5deg);
    clip-path: inset(8% 0 55% 0);
  }
  93% {
    opacity: 0.7;
    transform: translate(-6px, 1px) skewX(1deg);
    clip-path: inset(42% 0 18% 0);
  }
  95% {
    opacity: 0.45;
    transform: translate(8px, -1px) skewX(-0.5deg);
    clip-path: inset(65% 0 5% 0);
  }
  97% {
    opacity: 0;
    transform: translate(0, 0) skewX(0deg);
    clip-path: inset(0 0 0 0);
  }
}

@keyframes glitch-base-jitter {
  0%, 87%, 100% {
    transform: translate(0, 0);
    filter: contrast(1.18) brightness(0.9) sepia(0.18) saturate(0.78);
  }
  88.5% {
    transform: translate(3px, 0);
    filter: contrast(1.35) brightness(1.05) sepia(0.1) saturate(1.2) hue-rotate(40deg);
  }
  90% {
    transform: translate(-4px, 1px);
    filter: contrast(1.4) brightness(0.85) sepia(0.25) saturate(0.6);
  }
  92% {
    transform: translate(5px, -1px);
    filter: contrast(1.25) brightness(1.1) sepia(0.05) saturate(1.4) hue-rotate(-20deg);
  }
  94% {
    transform: translate(-2px, 0);
    filter: contrast(1.5) brightness(0.95) sepia(0.3) saturate(0.9);
  }
  96% {
    transform: translate(0, 0);
    filter: contrast(1.18) brightness(0.9) sepia(0.18) saturate(0.78);
  }
}

@keyframes glitch-scan-sweep {
  0% { background-position: 0 0, 0 -120%; }
  100% { background-position: 0 0, 0 220%; }
}

@keyframes glitch-blocks-flash {
  0%, 88%, 100% { opacity: 0; transform: translateX(0); }
  89% { opacity: 0.85; transform: translateX(2px); }
  90.5% { opacity: 0.2; transform: translateX(-6px); }
  92% { opacity: 0.7; transform: translateX(4px); }
  93.5% { opacity: 0.15; transform: translateX(-2px); }
  95% { opacity: 0.55; transform: translateX(0); }
  96.5% { opacity: 0; transform: translateX(0); }
}

@keyframes glitch-matrix-drift {
  0% { background-position: 0 0, 0 0; opacity: 0.08; }
  50% { background-position: 0 24px, 0 -40px; opacity: 0.16; }
  100% { background-position: 0 48px, 0 -80px; opacity: 0.08; }
}

@keyframes glitch-tier-jitter {
  0%, 87%, 100% {
    transform: scale(1) translate(0, 0);
    filter: contrast(1.12) sepia(0.16) brightness(0.88) saturate(0.85);
  }
  89% {
    transform: scale(1.02) translate(3px, 0);
    filter: contrast(1.3) sepia(0.08) brightness(1.05) saturate(1.3) hue-rotate(50deg);
  }
  91% {
    transform: scale(1.01) translate(-4px, 1px);
    filter: contrast(1.4) sepia(0.22) brightness(0.82) saturate(0.7);
  }
  93% {
    transform: scale(1.03) translate(5px, -1px);
    filter: contrast(1.2) sepia(0.05) brightness(1.08) saturate(1.5) hue-rotate(-25deg);
  }
  95% {
    transform: scale(1) translate(0, 0);
    filter: contrast(1.12) sepia(0.16) brightness(0.88) saturate(0.85);
  }
}

@media (prefers-reduced-motion: no-preference) {
  /* Hero: hard flicker on first paint, then idle corruption loop */
  .js .hero__plate.glitch-fx .hero__image {
    animation:
      hero-boot-flicker 1.15s steps(1, end) 0s 1 both,
      glitch-base-jitter 5.5s steps(1, end) 1.2s infinite;
  }

  .js .hero__plate.glitch-fx .glitch-fx__layer--r {
    animation:
      hero-boot-slice-r 1.15s steps(1, end) 0s 1 both,
      glitch-slice-r 5.5s steps(1, end) 1.2s infinite;
  }
  .js .hero__plate.glitch-fx .glitch-fx__layer--c {
    animation:
      hero-boot-slice-c 1.15s steps(1, end) 0.04s 1 both,
      glitch-slice-c 5.5s steps(1, end) 1.35s infinite;
  }
  .js .hero__plate.glitch-fx .glitch-fx__layer--g {
    animation:
      hero-boot-slice-g 1.15s steps(1, end) 0.08s 1 both,
      glitch-slice-g 5.5s steps(1, end) 1.5s infinite;
  }

  .js .hero__plate.glitch-fx .glitch-fx__blocks {
    animation:
      hero-boot-blocks 1.15s steps(1, end) 0s 1 both,
      glitch-blocks-flash 5.5s steps(1, end) 1.2s infinite;
  }

  .js .hero__plate.glitch-fx .glitch-fx__scan {
    animation:
      hero-boot-scan 1.15s linear 0s 1 both,
      glitch-scan-sweep 4.2s linear 1.15s infinite;
  }

  /* Tier plates: ongoing subtle glitch only (no boot sequence) */
  .chapter-tier .glitch-fx__layer--r {
    animation: glitch-slice-r 5.5s steps(1, end) 1.2s infinite;
  }
  .chapter-tier .glitch-fx__layer--c {
    animation: glitch-slice-c 5.5s steps(1, end) 1.35s infinite;
  }
  .chapter-tier .glitch-fx__layer--g {
    animation: glitch-slice-g 5.5s steps(1, end) 1.5s infinite;
  }

  .chapter-tier .glitch-fx__scan {
    animation: glitch-scan-sweep 4.2s linear infinite;
  }

  .chapter-tier .glitch-fx__blocks {
    animation: glitch-blocks-flash 5.5s steps(1, end) 1.2s infinite;
  }

  .glitch-fx__matrix {
    animation: glitch-matrix-drift 6s linear infinite;
  }

  .js .hero__plate.glitch-fx .glitch-fx__matrix {
    animation:
      glitch-matrix-drift 0.9s linear 0s 1 both,
      glitch-matrix-drift 6s linear 0.9s infinite;
    opacity: 0.22;
  }

  .chapter-tier__media.glitch-fx img {
    animation: glitch-tier-jitter 6.2s steps(1, end) infinite;
  }

  /* Stagger tier plates so they don't all glitch in sync (after shorthand) */
  #tier-alapszint .glitch-fx__layer--r,
  #tier-alapszint .glitch-fx__blocks,
  #tier-alapszint .chapter-tier__media img { animation-delay: 0.4s; }
  #tier-piackepes .glitch-fx__layer--r,
  #tier-piackepes .glitch-fx__blocks,
  #tier-piackepes .chapter-tier__media img { animation-delay: 1.1s; }
  #tier-senior .glitch-fx__layer--r,
  #tier-senior .glitch-fx__blocks,
  #tier-senior .chapter-tier__media img { animation-delay: 1.8s; }
  #tier-platform .glitch-fx__layer--r,
  #tier-platform .glitch-fx__blocks,
  #tier-platform .chapter-tier__media img { animation-delay: 2.5s; }

  #tier-alapszint .glitch-fx__layer--c { animation-delay: 0.55s; }
  #tier-piackepes .glitch-fx__layer--c { animation-delay: 1.25s; }
  #tier-senior .glitch-fx__layer--c { animation-delay: 1.95s; }
  #tier-platform .glitch-fx__layer--c { animation-delay: 2.65s; }

  #tier-alapszint .glitch-fx__layer--g { animation-delay: 0.7s; }
  #tier-piackepes .glitch-fx__layer--g { animation-delay: 1.4s; }
  #tier-senior .glitch-fx__layer--g { animation-delay: 2.1s; }
  #tier-platform .glitch-fx__layer--g { animation-delay: 2.8s; }

  /* Hover: amplify cyber-matrix corruption */
  .glitch-fx:hover .glitch-fx__layer--r,
  .glitch-fx:hover .glitch-fx__layer--c,
  .glitch-fx:hover .glitch-fx__layer--g {
    animation-duration: 2.2s;
  }

  .glitch-fx:hover .glitch-fx__blocks {
    animation-duration: 2.2s;
  }

  .glitch-fx:hover .glitch-fx__matrix {
    opacity: 0.22;
  }

  .glitch-fx:hover .glitch-fx__scan {
    opacity: 0.75;
    animation-duration: 2.4s;
  }

  .hero__plate:hover .hero__rgb {
    opacity: 0.7;
    transition: opacity var(--transition-fast);
  }

  .hero__plate:hover .hero__image {
    animation-duration: 1.15s, 2.2s;
  }
}

/* Annotations around plate */
.hero__annotations {
  position: absolute;
  inset: 8% 4%;
  pointer-events: none;
  z-index: 2;
}

.ann {
  position: absolute;
  font-family: var(--font-interface-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: rgba(235, 230, 220, 0.38);
  text-transform: uppercase;
}

.ann--a { top: 0; left: 0; }
.ann--b { top: 0; right: 0; }
.ann--c { bottom: 0; left: 0; }
.ann--d { bottom: 0; right: 0; color: color-mix(in srgb, var(--color-accent-blue) 70%, white); }

/* Load + line reveals — only transform/clip so base filter (invert engraving) stays */
@keyframes plate-corrupt {
  0% {
    clip-path: inset(0 0 0 0);
    transform: translateX(0);
    opacity: 0.75;
  }
  18% {
    clip-path: inset(10% 0 52% 0);
    transform: translateX(4px);
    opacity: 0.95;
  }
  36% {
    clip-path: inset(42% 0 18% 0);
    transform: translateX(-3px);
  }
  55% {
    clip-path: inset(0 0 0 0);
    transform: translateX(1px);
  }
  100% {
    clip-path: inset(0 0 0 0);
    transform: translateX(0);
    opacity: 0.92;
  }
}

/* Hero boot: hard flicker / signal-lock on first paint */
@keyframes hero-boot-flicker {
  0% {
    opacity: 0;
    transform: translate(0, 0) skewX(0deg);
    filter: contrast(1.18) brightness(0.2) sepia(0.18) saturate(0.78);
    clip-path: inset(0 0 0 0);
  }
  4% {
    opacity: 0.95;
    transform: translate(8px, 0) skewX(-2deg);
    filter: contrast(1.6) brightness(1.35) sepia(0.05) saturate(1.8) hue-rotate(70deg);
    clip-path: inset(8% 0 55% 0);
  }
  7% {
    opacity: 0.15;
    transform: translate(-10px, 1px) skewX(1.5deg);
    filter: contrast(2) brightness(0.4) sepia(0.3) saturate(0.5);
    clip-path: inset(48% 0 12% 0);
  }
  10% {
    opacity: 1;
    transform: translate(6px, -1px) skewX(-1deg);
    filter: contrast(1.4) brightness(1.2) sepia(0.1) saturate(2) hue-rotate(-30deg);
    clip-path: inset(0 0 70% 0);
  }
  14% {
    opacity: 0.25;
    transform: translate(-4px, 0);
    filter: contrast(1.8) brightness(0.55) sepia(0.4) saturate(1.2) hue-rotate(120deg);
    clip-path: inset(30% 0 40% 0);
  }
  18% {
    opacity: 0.9;
    transform: translate(12px, 0) skewX(1deg);
    filter: contrast(1.5) brightness(1.1) sepia(0.08) saturate(1.6) hue-rotate(40deg);
    clip-path: inset(62% 0 5% 0);
  }
  22% {
    opacity: 0.35;
    transform: translate(-8px, 2px);
    filter: contrast(1.9) brightness(0.7) sepia(0.2) saturate(0.9);
    clip-path: inset(15% 0 50% 0);
  }
  28% {
    opacity: 1;
    transform: translate(3px, 0) skewX(-0.5deg);
    filter: contrast(1.35) brightness(1.15) sepia(0.12) saturate(1.3) hue-rotate(90deg);
    clip-path: inset(0 0 0 0);
  }
  34% {
    opacity: 0.4;
    transform: translate(-6px, 0);
    filter: contrast(1.7) brightness(0.6) sepia(0.25) saturate(1.4) hue-rotate(-15deg);
    clip-path: inset(40% 0 25% 0);
  }
  42% {
    opacity: 0.95;
    transform: translate(5px, -1px);
    filter: contrast(1.3) brightness(1.05) sepia(0.15) saturate(1.1) hue-rotate(50deg);
    clip-path: inset(5% 0 60% 0);
  }
  50% {
    opacity: 0.55;
    transform: translate(-3px, 0);
    filter: contrast(1.45) brightness(0.85) sepia(0.2) saturate(0.95);
    clip-path: inset(0 0 0 0);
  }
  58% {
    opacity: 1;
    transform: translate(2px, 0);
    filter: contrast(1.25) brightness(1) sepia(0.16) saturate(1) hue-rotate(20deg);
    clip-path: inset(0 0 0 0);
  }
  68% {
    opacity: 0.7;
    transform: translate(-2px, 0);
    filter: contrast(1.3) brightness(0.88) sepia(0.18) saturate(0.9);
    clip-path: inset(0 0 0 0);
  }
  78% {
    opacity: 1;
    transform: translate(1px, 0);
    filter: contrast(1.2) brightness(0.95) sepia(0.18) saturate(0.85);
    clip-path: inset(0 0 0 0);
  }
  88% {
    opacity: 0.85;
    transform: translate(0, 0);
    filter: contrast(1.22) brightness(0.92) sepia(0.18) saturate(0.8);
    clip-path: inset(0 0 0 0);
  }
  100% {
    opacity: 0.95;
    transform: translate(0, 0) skewX(0deg);
    filter: contrast(1.18) brightness(0.9) sepia(0.18) saturate(0.78);
    clip-path: inset(0 0 0 0);
  }
}

/* Companion RGB/channel burst only on hero boot */
@keyframes hero-boot-slice-r {
  0%, 100% { opacity: 0; transform: translate(0, 0); clip-path: inset(0 0 0 0); }
  5% { opacity: 0.85; transform: translate(10px, -2px); clip-path: inset(5% 0 60% 0); }
  12% { opacity: 0.4; transform: translate(-12px, 1px); clip-path: inset(45% 0 15% 0); }
  20% { opacity: 0.9; transform: translate(8px, 0); clip-path: inset(0 0 72% 0); }
  30% { opacity: 0.25; transform: translate(-6px, 2px); clip-path: inset(55% 0 8% 0); }
  42% { opacity: 0.7; transform: translate(5px, 0); clip-path: inset(18% 0 48% 0); }
  55% { opacity: 0.15; transform: translate(-3px, 0); clip-path: inset(0 0 0 0); }
  70% { opacity: 0.45; transform: translate(4px, 0); clip-path: inset(35% 0 40% 0); }
  85% { opacity: 0; transform: translate(0, 0); clip-path: inset(0 0 0 0); }
}

@keyframes hero-boot-slice-c {
  0%, 100% { opacity: 0; transform: translate(0, 0); clip-path: inset(0 0 0 0); }
  6% { opacity: 0.75; transform: translate(-9px, 1px); clip-path: inset(20% 0 45% 0); }
  15% { opacity: 0.3; transform: translate(11px, -1px); clip-path: inset(58% 0 10% 0); }
  24% { opacity: 0.85; transform: translate(-7px, 0); clip-path: inset(0 0 55% 0); }
  36% { opacity: 0.2; transform: translate(6px, 2px); clip-path: inset(40% 0 30% 0); }
  48% { opacity: 0.65; transform: translate(-5px, 0); clip-path: inset(8% 0 65% 0); }
  62% { opacity: 0.1; transform: translate(3px, 0); clip-path: inset(0 0 0 0); }
  75% { opacity: 0.4; transform: translate(-4px, 0); clip-path: inset(50% 0 20% 0); }
  90% { opacity: 0; transform: translate(0, 0); clip-path: inset(0 0 0 0); }
}

@keyframes hero-boot-slice-g {
  0%, 100% { opacity: 0; transform: translate(0, 0) skewX(0deg); clip-path: inset(0 0 0 0); }
  8% { opacity: 0.7; transform: translate(7px, 0) skewX(-2deg); clip-path: inset(12% 0 50% 0); }
  18% { opacity: 0.35; transform: translate(-9px, 1px) skewX(1.5deg); clip-path: inset(50% 0 12% 0); }
  28% { opacity: 0.8; transform: translate(10px, 0) skewX(-1deg); clip-path: inset(0 0 68% 0); }
  40% { opacity: 0.2; transform: translate(-5px, 0) skewX(0.5deg); clip-path: inset(32% 0 38% 0); }
  55% { opacity: 0.55; transform: translate(4px, -1px) skewX(-0.5deg); clip-path: inset(65% 0 5% 0); }
  72% { opacity: 0.15; transform: translate(-2px, 0); clip-path: inset(0 0 0 0); }
  88% { opacity: 0; transform: translate(0, 0) skewX(0deg); clip-path: inset(0 0 0 0); }
}

@keyframes hero-boot-blocks {
  0%, 100% { opacity: 0; transform: translateX(0); }
  5% { opacity: 0.95; transform: translateX(4px); }
  10% { opacity: 0.15; transform: translateX(-8px); }
  16% { opacity: 0.85; transform: translateX(6px); }
  22% { opacity: 0.2; transform: translateX(-4px); }
  30% { opacity: 0.75; transform: translateX(3px); }
  40% { opacity: 0.1; transform: translateX(-2px); }
  52% { opacity: 0.6; transform: translateX(5px); }
  65% { opacity: 0.15; transform: translateX(0); }
  78% { opacity: 0.35; transform: translateX(-2px); }
  90% { opacity: 0; transform: translateX(0); }
}

@keyframes hero-boot-scan {
  0% {
    opacity: 0.9;
    background-position: 0 0, 0 -40%;
  }
  40% {
    opacity: 0.75;
    background-position: 0 0, 0 60%;
  }
  100% {
    opacity: 0.55;
    background-position: 0 0, 0 220%;
  }
}

@keyframes line-in {
  from {
    opacity: 0;
    transform: translateY(0.4em);
    filter: blur(2px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  /* hero__image glitch load+loop lives in the glitch-fx block above */

  .js .reveal-line {
    opacity: 0;
    animation: line-in 0.7s var(--easing-editorial) both;
    animation-delay: calc(0.12s + var(--i, 0) * 0.1s);
  }

  .js .hero__subtitle,
  .js .hero__actions,
  .js .hero__meta {
    opacity: 0;
    animation: fade-in-up 0.7s var(--easing-editorial) both;
  }
  .js .hero__meta { animation-delay: 0.05s; }
  .js .hero__subtitle { animation-delay: 0.45s; }
  .js .hero__actions { animation-delay: 0.55s; }
}

/* ==========================================================================
   Intro (paper catalogue)
   ========================================================================== */
.intro {
  padding-block: var(--space-20);
}

.intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

@media (min-width: 768px) {
  .intro__grid {
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: var(--space-10);
  }
}

.intro__index {
  font-family: var(--font-interface-mono);
  font-size: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  line-height: 1;
  color: var(--color-accent-rust);
  opacity: 0.5;
}

.intro__heading {
  font-family: var(--font-display-serif);
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--space-6);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
}

.intro__body { max-width: var(--container-content); }

.intro__body p {
  margin-bottom: var(--space-5);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   Stats — oxidized dark block
   ========================================================================== */
.stats--noir {
  position: relative;
  border-block: 1px solid rgba(235, 230, 220, 0.08);
  background:
    radial-gradient(ellipse 70% 100% at 15% 0%, rgba(168, 84, 60, 0.22), transparent 55%),
    linear-gradient(180deg, #2a1614 0%, #1a1010 55%, #100e0e 100%);
  overflow: hidden;
}

.stats--noir::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.1;
  background-image: radial-gradient(circle, rgba(235, 230, 220, 0.45) 0.55px, transparent 0.75px);
  background-size: 16px 16px;
}

.stats--noir .stats__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  padding-block: var(--space-12);
  text-align: left;
}

@media (min-width: 768px) {
  .stats--noir .stats__inner {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stats--noir .stat {
  border-left: 1px solid rgba(235, 230, 220, 0.14);
  padding-left: var(--space-5);
}

.stats--noir .stat__number {
  font-family: var(--font-interface-mono);
  font-size: clamp(2.5rem, 2rem + 2.5vw, 3.75rem);
  font-weight: 400;
  line-height: 1;
  color: var(--color-text-light);
  background: none;
  -webkit-text-fill-color: unset;
}

.stats--noir .stat__label {
  margin-top: var(--space-2);
  font-family: var(--font-interface-mono);
  font-size: var(--text-xs);
  color: var(--accent-beige);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

/* ==========================================================================
   Chapter tiers — level-grouped catalogue
   ========================================================================== */
.chapter-tier {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: var(--space-16);
  border: 1px solid var(--color-border-dark);
  background: var(--bg-secondary);
}

@media (min-width: 900px) {
  .chapter-tier {
    grid-template-columns: minmax(220px, 0.38fr) minmax(0, 1fr);
    min-height: 28rem;
  }

  .chapter-tier--flip {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.38fr);
  }

  .chapter-tier--flip .chapter-tier__media { order: 2; }
  .chapter-tier--flip .chapter-tier__body { order: 1; }
}

.chapter-tier__media {
  position: relative;
  min-height: 14rem;
  overflow: hidden;
  background: var(--color-background-charcoal);
  border-bottom: 1px solid var(--color-border-dark);
}

@media (min-width: 900px) {
  .chapter-tier__media {
    min-height: 100%;
    border-bottom: none;
    border-right: 1px solid var(--color-border-dark);
  }
  .chapter-tier--flip .chapter-tier__media {
    border-right: none;
    border-left: 1px solid var(--color-border-dark);
  }
}

.chapter-tier__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: contrast(1.12) sepia(0.16) brightness(0.88) saturate(0.85);
  transition: transform var(--duration-slow) var(--easing-editorial);
  will-change: transform, filter;
}

.chapter-tier:hover .chapter-tier__media img {
  transform: scale(1.04);
}

.chapter-tier__media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 7;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 35%, rgba(12, 12, 14, 0.62) 100%),
    linear-gradient(90deg, rgba(0, 229, 168, 0.04), transparent 30%, transparent 70%, rgba(196, 90, 58, 0.06)),
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(235, 230, 220, 0.025) 2px, rgba(235, 230, 220, 0.025) 3px);
}

.chapter-tier__media-meta {
  position: absolute;
  left: var(--space-4);
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 8;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-interface-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: rgba(235, 230, 220, 0.62);
  text-transform: uppercase;
  text-shadow: 0 0 12px rgba(0, 229, 168, 0.25);
}

.chapter-tier__body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.chapter-tier__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3) var(--space-5);
  align-items: start;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border-dark);
}

.chapter-tier__roman {
  font-family: var(--font-interface-mono);
  font-size: var(--text-2xl);
  color: var(--tier-color, var(--color-accent-rust));
  line-height: 1;
  grid-row: span 2;
}

.chapter-tier__title {
  font-family: var(--font-display-serif);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin: 0 0 var(--space-2);
}

.chapter-tier__lead {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
  max-width: 48ch;
  margin: 0;
}

.chapter-tier__link {
  grid-column: 2;
  justify-self: start;
  margin-top: var(--space-2);
}

@media (min-width: 640px) {
  .chapter-tier__head {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }
  .chapter-tier__roman { grid-row: auto; }
  .chapter-tier__link {
    grid-column: auto;
    margin-top: 0;
    justify-self: end;
  }
}

.chapter-tier__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  flex: 1;
}

@media (min-width: 640px) {
  .chapter-tier__list,
  .chapter-tier__list--dense {
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-home .chapter-tier .chapter-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  border: none;
  border-bottom: 1px solid var(--color-border-dark);
  border-right: 1px solid var(--color-border-dark);
  border-radius: 0;
  background: transparent;
  min-height: 9.5rem;
  overflow: hidden;
  transition: background var(--transition-medium);
}

.page-home .chapter-tier .chapter-card:hover {
  transform: none;
  box-shadow: none;
  background: color-mix(in srgb, var(--chapter-color, var(--tier-color)) 8%, transparent);
  color: inherit;
}

@media (prefers-reduced-motion: no-preference) {
  .page-home .chapter-tier .chapter-card:hover .chapter-card__title {
    text-shadow:
      1px 0 color-mix(in srgb, var(--color-accent-rust) 40%, transparent),
      -1px 0 color-mix(in srgb, var(--color-accent-blue) 40%, transparent);
  }
}

.page-home .chapter-tier .chapter-card__number {
  position: static;
  font-size: var(--text-xs);
  font-weight: 400;
  font-family: var(--font-interface-mono);
  color: var(--chapter-color, var(--color-accent-rust));
  opacity: 1;
  letter-spacing: var(--tracking-mono);
  line-height: 1;
}

.page-home .chapter-tier .chapter-card__title {
  font-family: var(--font-display-serif);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-1);
}

.page-home .chapter-tier .chapter-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
}

.page-home .chapter-tier .chapter-card__meta {
  margin-top: auto;
  padding-top: var(--space-2);
}

.page-home .chapter-card__glow { display: none; }

[data-theme="light"] .page-home .chapter-tier {
  border-color: var(--color-border-light);
  background: var(--bg-secondary);
}

[data-theme="light"] .page-home .chapter-tier__head,
[data-theme="light"] .page-home .chapter-tier .chapter-card,
[data-theme="light"] .page-home .chapter-tier__media {
  border-color: var(--color-border-light);
}

/* ==========================================================================
   Levels — paper archive cards
   ========================================================================== */
.levels.section--light { padding-block: var(--space-20); }

.page-home .levels-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--color-border-light);
}

@media (min-width: 640px) {
  .page-home .levels-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .page-home .levels-strip { grid-template-columns: repeat(4, 1fr); }
}

.page-home .level-chip {
  padding: var(--space-6);
  border: none;
  border-bottom: 1px solid var(--color-border-light);
  border-right: 1px solid var(--color-border-light);
  border-radius: 0;
  background: transparent;
  transition: background var(--transition-medium);
}

.page-home .level-chip:hover {
  transform: none;
  box-shadow: none;
  background: color-mix(in srgb, var(--level-color, var(--color-accent-rust)) 7%, transparent);
}

.level-chip__index {
  display: block;
  font-family: var(--font-interface-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  color: var(--level-color, var(--color-accent-rust));
  margin-bottom: var(--space-3);
}

.page-home .level-chip__title {
  font-family: var(--font-display-serif);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-dark);
  margin: 0 0 var(--space-3);
}

.page-home .level-chip__desc {
  color: var(--text-muted-on-light);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.levels__cta {
  margin-top: var(--space-10);
  text-align: left;
}

/* ==========================================================================
   Final CTA
   ========================================================================== */
.page-home .cta-final {
  text-align: left;
  background: var(--color-background-charcoal);
}

.page-home .cta-final__box {
  position: relative;
  padding: var(--space-16) 0;
  border: none;
  border-top: 1px solid var(--color-border-dark);
  border-radius: 0;
  background: transparent;
}

.cta-final__index {
  display: block;
  font-family: var(--font-interface-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wider);
  color: var(--color-accent-rust);
  margin-bottom: var(--space-4);
  opacity: 0.7;
}

.page-home .cta-final__title {
  font-family: var(--font-display-serif);
  font-size: var(--text-4xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
  color: var(--color-text-light);
}

.page-home .cta-final__text {
  color: var(--text-secondary);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  max-width: 42ch;
  margin-inline: 0;
}

/* Progress */
.page-home .progress-summary {
  border: 1px solid var(--color-border-dark);
  border-radius: 0;
  padding: var(--space-4) var(--space-5);
  background: transparent;
}

.page-home .progress-summary__label {
  font-family: var(--font-interface-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* Badges as archive tags */
.page-home .badge {
  border-radius: 0;
  font-family: var(--font-interface-mono);
  font-weight: 400;
  letter-spacing: var(--tracking-mono);
  border: 1px solid currentColor;
  background: transparent !important;
  padding: 0.15em 0.45em;
}

.page-home .footer {
  border-top: 1px solid var(--color-border-dark);
  background: var(--bg-secondary);
}

.page-home .footer__column h4 {
  font-family: var(--font-interface-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  font-weight: 400;
}

.mobile-menu__link--cta {
  font-family: var(--font-interface-mono);
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent-rust) !important;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .js .hero__image,
  .js .reveal-line,
  .js .hero__subtitle,
  .js .hero__actions,
  .js .hero__meta,
  .glitch-fx__layer,
  .glitch-fx__scan,
  .glitch-fx__blocks,
  .glitch-fx__matrix,
  .chapter-tier__media.glitch-fx img {
    animation: none !important;
  }

  .js .hero__image,
  .js .reveal-line,
  .js .hero__subtitle,
  .js .hero__actions,
  .js .hero__meta {
    opacity: 1 !important;
    transform: none !important;
  }

  .glitch-fx__layer,
  .glitch-fx__blocks {
    opacity: 0 !important;
  }

  .glitch-fx__scan {
    opacity: 0.35;
  }

  .glitch-fx__matrix {
    opacity: 0.06;
  }

  .hero__plate:hover .hero__image,
  .chapter-tier:hover .chapter-tier__media img {
    transform: none;
  }

  .page-home .chapter-tier .chapter-card:hover .chapter-card__title { text-shadow: none; }
}

/* ==========================================================================
   Light mode navbar — hard contrast fix (logo, wordmark, links, icons)
   Must win over any earlier / cached light-on-light rules.
   ========================================================================== */
[data-theme="light"] body.page-home .navbar {
  background: #ebe6dc !important;
  border-bottom: 1px solid rgba(22, 20, 18, 0.16) !important;
  color: #161412 !important;
}

[data-theme="light"] body.page-home .navbar .navbar__brand,
[data-theme="light"] body.page-home .navbar .navbar__brand:hover,
[data-theme="light"] body.page-home .navbar .navbar__wordmark,
[data-theme="light"] body.page-home .navbar .navbar__mark {
  color: #161412 !important;
}

[data-theme="light"] body.page-home .navbar .navbar__mark {
  border-color: rgba(22, 20, 18, 0.45) !important;
  background: transparent !important;
}

[data-theme="light"] body.page-home .navbar .navbar__link,
[data-theme="light"] body.page-home .navbar .navbar__dropdown-trigger {
  color: #3a342e !important;
}

[data-theme="light"] body.page-home .navbar .navbar__link:hover,
[data-theme="light"] body.page-home .navbar .navbar__link--active,
[data-theme="light"] body.page-home .navbar .navbar__dropdown-trigger:hover {
  color: #161412 !important;
}

[data-theme="light"] body.page-home .navbar .navbar__link--active::after {
  background: #8f4430 !important;
}

[data-theme="light"] body.page-home .navbar .navbar__search,
[data-theme="light"] body.page-home .navbar .theme-toggle,
[data-theme="light"] body.page-home .navbar .navbar__chevron {
  color: #3a342e !important;
}

[data-theme="light"] body.page-home .navbar .navbar__search:hover,
[data-theme="light"] body.page-home .navbar .theme-toggle:hover {
  color: #161412 !important;
  background: rgba(22, 20, 18, 0.06) !important;
}

[data-theme="light"] body.page-home .navbar .navbar__search svg,
[data-theme="light"] body.page-home .navbar .theme-toggle svg {
  stroke: currentColor !important;
  color: inherit !important;
}

[data-theme="light"] body.page-home .navbar .btn--nav,
[data-theme="light"] body.page-home .navbar .btn--nav.btn--primary {
  color: #161412 !important;
  border: 1px solid rgba(22, 20, 18, 0.55) !important;
  background: transparent !important;
}

[data-theme="light"] body.page-home .navbar .btn--nav:hover {
  background: rgba(22, 20, 18, 0.06) !important;
  color: #161412 !important;
}

[data-theme="light"] body.page-home .navbar .navbar__hamburger span {
  background: #161412 !important;
}

[data-theme="light"] body.page-home .mobile-menu {
  background: #ebe6dc !important;
  color: #161412 !important;
}

[data-theme="light"] body.page-home .mobile-menu__link {
  color: #161412 !important;
  border-bottom-color: rgba(22, 20, 18, 0.12) !important;
}

[data-theme="light"] body.page-home .mobile-menu__section-title {
  color: #5e5852 !important;
}