/* ═══════════════════════════════════════════════════════════════
   Kuronix · Layout 72 · Modular Bento Columns
   Dark premium · Obsidian / Copper / Pearl
   Fonts: Fraunces · DM Sans
   Secondary: horizontal scroll + fade reveal
   Mutation: floating elements + overlap + diagonal cuts
   ═══════════════════════════════════════════════════════════════ */

:root {
  --kn-obsidian: #0d0e12;
  --kn-obsidian-soft: #16181f;
  --kn-obsidian-panel: #1c1f28;
  --kn-slate: #3d4f5f;
  --kn-slate-dim: rgba(61, 79, 95, 0.25);
  --kn-copper: #c45c3a;
  --kn-copper-light: #e07850;
  --kn-copper-dim: rgba(196, 92, 58, 0.15);
  --kn-pearl: #e8e4df;
  --kn-pearl-muted: #a8a4a0;
  --kn-text: #e8e4df;
  --kn-text-muted: #8a8682;
  --kn-border: rgba(232, 228, 223, 0.08);
  --kn-border-copper: rgba(196, 92, 58, 0.45);
  --kn-font-serif: 'Fraunces', 'DM Sans', serif;
  --kn-font-sans: 'DM Sans', sans-serif;
  --kn-nav-h: 76px;
  --kn-rail-w: 56px;
  --kn-max: 1280px;
  --kn-pad: clamp(1.25rem, 4vw, 3rem);
  --kn-ease: cubic-bezier(0.22, 0.9, 0.32, 1);
  --kn-diag: clamp(2rem, 5vw, 4rem);
  --kn-shadow: 0 28px 64px rgba(0, 0, 0, 0.45);
  --kn-shadow-float: 0 16px 48px rgba(0, 0, 0, 0.35), 0 4px 12px rgba(196, 92, 58, 0.08);
  --kn-clip-diag: polygon(0 0, 100% 0, 100% calc(100% - var(--kn-diag)), 0 100%);
}

[data-theme="light"] {
  --kn-obsidian: #f4f2ef;
  --kn-obsidian-soft: #ebe8e4;
  --kn-obsidian-panel: #ffffff;
  --kn-text: #0d0e12;
  --kn-text-muted: #5a5652;
  --kn-border: rgba(13, 14, 18, 0.1);
  --kn-border-copper: rgba(196, 92, 58, 0.5);
  --kn-copper-dim: rgba(196, 92, 58, 0.1);
  --kn-shadow: 0 24px 56px rgba(13, 14, 18, 0.12);
  --kn-shadow-float: 0 12px 40px rgba(13, 14, 18, 0.1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body.kn-body {
  font-family: var(--kn-font-sans);
  background: var(--kn-obsidian);
  color: var(--kn-text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--kn-copper); text-decoration: none; transition: color 0.25s var(--kn-ease); }
a:hover { color: var(--kn-copper-light); }
address { font-style: normal; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.kn-skip {
  position: absolute; top: -100px; left: 1rem; z-index: 10000;
  padding: 0.55rem 1rem; background: var(--kn-copper); color: #fff;
  font-size: 0.85rem;
}
.kn-skip:focus { top: 1rem; outline: 2px solid var(--kn-copper-light); outline-offset: 2px; }

.kn-micro {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kn-slate);
}

h1, h2, h3, h4 {
  font-family: var(--kn-font-serif);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.5rem, 6.5vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.9rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.45rem); }

em { font-style: italic; color: var(--kn-copper); }

.kn-main { min-height: 60vh; }

/* ─── Fade reveal ─── */
.kn-fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s var(--kn-ease), transform 0.75s var(--kn-ease);
  transition-delay: var(--fade-delay, 0s);
}
.kn-fade-up--d1 { --fade-delay: 0.12s; }
.kn-fade-up--d2 { --fade-delay: 0.24s; }
.kn-fade-up--d3 { --fade-delay: 0.36s; }
.kn-fade-up.is-visible { opacity: 1; transform: none; }

/* ─── Buttons ─── */
.kn-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.04em;
  border-radius: 2px;
  transition: transform 0.25s var(--kn-ease), background 0.25s, border-color 0.25s, color 0.25s;
}
.kn-btn--copper {
  background: var(--kn-copper);
  color: #fff;
  border: 1px solid var(--kn-copper);
}
.kn-btn--copper:hover {
  background: var(--kn-copper-light);
  border-color: var(--kn-copper-light);
  color: #fff;
  transform: translateY(-2px);
}
.kn-btn--ghost {
  background: transparent;
  color: var(--kn-text);
  border: 1px solid var(--kn-border-copper);
}
.kn-btn--ghost:hover {
  background: var(--kn-copper-dim);
  transform: translateY(-2px);
}
.kn-btn--lg { padding: 0.9rem 1.8rem; font-size: 0.88rem; }

.kn-link-arrow {
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.06em;
  display: inline-flex; align-items: center; gap: 0.35rem;
}
.kn-link-arrow::after { content: '→'; transition: transform 0.25s var(--kn-ease); }
.kn-link-arrow:hover::after { transform: translateX(4px); }

/* ─── Mast / Nav ─── */
.kn-mast {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  padding: 0.85rem var(--kn-pad);
  pointer-events: none;
}
.kn-mast__rail {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  max-width: var(--kn-max); margin: 0 auto;
  padding: 0.55rem 1rem 0.55rem 0.75rem;
  background: rgba(13, 14, 18, 0.72);
  backdrop-filter: blur(16px);
  border: 1px solid var(--kn-border);
  border-radius: 4px;
  pointer-events: auto;
  transition: box-shadow 0.35s var(--kn-ease), border-color 0.35s;
}
[data-theme="light"] .kn-mast__rail { background: rgba(255, 255, 255, 0.88); }

.kn-mast.is-scrolled .kn-mast__rail {
  box-shadow: var(--kn-shadow-float);
  border-color: var(--kn-border-copper);
}

.kn-mast__brand {
  display: flex; align-items: center; gap: 0.65rem;
  color: var(--kn-text);
}
.kn-mast__brand:hover { color: var(--kn-text); }
.kn-mast__sigil {
  display: grid; place-items: center;
  width: 2.2rem; height: 2.2rem;
  font-family: var(--kn-font-serif);
  font-size: 1.1rem;
  background: var(--kn-copper-dim);
  border: 1px solid var(--kn-border-copper);
  border-radius: 2px;
  color: var(--kn-copper);
}
.kn-mast__wordmark { display: flex; flex-direction: column; line-height: 1.2; }
.kn-mast__wordmark strong { font-family: var(--kn-font-serif); font-size: 1rem; letter-spacing: 0.02em; }
.kn-mast__wordmark em { font-size: 0.58rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--kn-text-muted); font-style: normal; }

.kn-mast__links {
  display: flex; gap: 0.15rem;
}
.kn-mast-link {
  display: flex; flex-direction: column; align-items: center;
  padding: 0.35rem 0.85rem;
  font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--kn-text-muted);
  border-radius: 2px;
  transition: color 0.25s, background 0.25s;
}
.kn-mast-link span { font-size: 0.55rem; color: var(--kn-slate); margin-bottom: 0.1rem; }
.kn-mast-link:hover, .kn-mast-link.is-active { color: var(--kn-copper); background: var(--kn-copper-dim); }

.kn-mast__cluster { display: flex; align-items: center; gap: 0.35rem; }
.kn-icon-btn, .kn-cart-orb {
  display: grid; place-items: center;
  width: 2.1rem; height: 2.1rem;
  border: 1px solid var(--kn-border);
  border-radius: 2px;
  color: var(--kn-text-muted);
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}
.kn-icon-btn:hover, .kn-cart-orb:hover { color: var(--kn-copper); border-color: var(--kn-border-copper); background: var(--kn-copper-dim); }
.kn-cart-orb { position: relative; }
.kn-cart-orb span {
  position: absolute; top: -4px; right: -4px;
  min-width: 1rem; height: 1rem; padding: 0 0.2rem;
  font-size: 0.58rem; font-weight: 600;
  background: var(--kn-copper); color: #fff;
  border-radius: 50%;
  display: grid; place-items: center;
}
[data-theme="dark"] .kn-icon-moon, [data-theme="light"] .kn-icon-sun { display: none; }

.kn-burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 2.1rem; height: 2.1rem;
  border: 1px solid var(--kn-border); border-radius: 2px;
}
.kn-burger span { display: block; width: 14px; height: 1.5px; background: var(--kn-text); margin: 0 auto; transition: transform 0.3s; }

.kn-mast__glow {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 60%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--kn-copper), transparent);
  opacity: 0.4; pointer-events: none;
}

/* ─── Bento rail (home) ─── */
.kn-bento-rail {
  position: fixed; left: 0; top: 50%; transform: translateY(-50%);
  z-index: 800; width: var(--kn-rail-w);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  padding: 0.5rem 0;
}
.kn-bento-rail__list { display: flex; flex-direction: column; gap: 0.35rem; }
.kn-bento-rail__list button {
  width: 2rem; height: 2rem;
  font-size: 0.55rem; font-weight: 600; letter-spacing: 0.02em;
  color: var(--kn-text-muted);
  border: 1px solid var(--kn-border);
  border-radius: 2px;
  transition: all 0.25s var(--kn-ease);
}
.kn-bento-rail__list button:hover, .kn-bento-rail__list button.is-active {
  color: var(--kn-copper); border-color: var(--kn-border-copper);
  background: var(--kn-copper-dim);
  transform: translateX(3px);
}
.kn-bento-rail__active {
  writing-mode: vertical-rl;
  font-size: 0.55rem; letter-spacing: 0.14em;
  color: var(--kn-slate);
  text-transform: uppercase;
}

/* ─── Search / Drawer ─── */
.kn-search-layer, .kn-drawer {
  position: fixed; inset: 0; z-index: 950;
  pointer-events: none; opacity: 0;
  transition: opacity 0.35s var(--kn-ease);
}
.kn-search-layer.is-open, .kn-drawer.is-open { pointer-events: auto; opacity: 1; }
.kn-search-layer__veil, .kn-drawer__veil {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
}
.kn-search-layer__panel {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: min(92vw, 480px);
  padding: 2rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border-copper);
  border-radius: 4px;
}
.kn-search-layer__form { display: flex; gap: 0.5rem; margin: 1rem 0; }
.kn-search-layer__form input {
  flex: 1; padding: 0.7rem 1rem;
  background: var(--kn-obsidian-soft);
  border: 1px solid var(--kn-border);
  border-radius: 2px;
}
.kn-search-layer__hints { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; font-size: 0.78rem; }
.kn-search-layer__hints button {
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--kn-border);
  border-radius: 2px; font-size: 0.75rem;
  transition: border-color 0.25s, color 0.25s;
}
.kn-search-layer__hints button:hover { border-color: var(--kn-border-copper); color: var(--kn-copper); }

.kn-drawer__sheet {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(88vw, 320px);
  padding: 2rem 1.5rem;
  background: var(--kn-obsidian-panel);
  border-left: 1px solid var(--kn-border-copper);
  display: flex; flex-direction: column; gap: 0.85rem;
  transform: translateX(100%);
  transition: transform 0.4s var(--kn-ease);
}
.kn-drawer.is-open .kn-drawer__sheet { transform: none; }
.kn-drawer__sheet a {
  font-size: 1.05rem; font-family: var(--kn-font-serif);
  color: var(--kn-text); padding: 0.35rem 0;
  border-bottom: 1px solid var(--kn-border);
}
.kn-drawer__sheet a:hover { color: var(--kn-copper); }
.kn-drawer__meta { margin-top: auto; font-size: 0.82rem; color: var(--kn-text-muted); display: flex; flex-direction: column; gap: 0.35rem; }

/* ─── Mod world / sections ─── */
.kn-mod-world { padding-top: var(--kn-nav-h); }
.page-home .kn-main { padding-left: var(--kn-rail-w); }

.kn-mod {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) var(--kn-pad);
  overflow: hidden;
}
.kn-mod:nth-child(even) { background: var(--kn-obsidian-soft); }
.kn-mod__cut--diag {
  position: absolute; bottom: -1px; left: 0; right: 0; height: var(--kn-diag);
  background: inherit;
  clip-path: var(--kn-clip-diag);
  transform: translateY(50%);
  z-index: 2;
}

/* M01 Portal */
.kn-portal-bento {
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.55fr;
  grid-template-rows: auto auto;
  gap: clamp(0.75rem, 2vw, 1.25rem);
  max-width: var(--kn-max); margin: 0 auto;
  align-items: start;
}
.kn-portal-bento__type { grid-column: 1; grid-row: 1 / 3; padding-right: 1rem; }
.kn-portal-bento__kanji {
  display: block; font-size: clamp(3rem, 8vw, 5.5rem);
  font-family: var(--kn-font-serif); line-height: 0.9;
  color: var(--kn-copper); opacity: 0.85;
}
.kn-portal-bento__brand {
  display: block; font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-style: normal; color: var(--kn-text); margin-top: -0.2rem;
}
.kn-portal-bento__deck { font-family: var(--kn-font-serif); font-size: 1.05rem; margin: 0.75rem 0; color: var(--kn-text-muted); }
.kn-portal-bento__sub { font-size: 0.92rem; color: var(--kn-text-muted); margin-bottom: 1.5rem; max-width: 36ch; }
.kn-portal-bento__actions { display: flex; flex-wrap: wrap; gap: 0.65rem; }

.kn-portal-bento__hero {
  grid-column: 2; grid-row: 1 / 3;
  position: relative; overflow: hidden; border-radius: 3px;
  border: 1px solid var(--kn-border);
  box-shadow: var(--kn-shadow-float);
  transform: translateY(-8px);
}
.kn-portal-bento__hero img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.kn-portal-bento__float {
  position: absolute; bottom: 1rem; right: 1rem;
  padding: 0.35rem 0.7rem;
  font-size: 0.65rem; letter-spacing: 0.12em;
  background: rgba(13, 14, 18, 0.75);
  border: 1px solid var(--kn-border-copper);
  border-radius: 2px;
}

.kn-portal-bento__thumb {
  grid-column: 3; grid-row: 1;
  border-radius: 3px; overflow: hidden;
  border: 1px solid var(--kn-border);
  transform: translateY(12px);
  box-shadow: var(--kn-shadow-float);
}
.kn-portal-bento__micro {
  grid-column: 3; grid-row: 2;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.kn-portal-bento__stat {
  padding: 0.65rem 0.85rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 2px;
}
.kn-portal-bento__stat strong { font-family: var(--kn-font-serif); font-size: 1.4rem; color: var(--kn-copper); display: block; }
.kn-portal-bento__stat span { font-size: 0.68rem; color: var(--kn-text-muted); letter-spacing: 0.06em; }
.kn-portal-bento__micro-img { border-radius: 2px; overflow: hidden; border: 1px solid var(--kn-border); }

/* M02 Manifesto */
.kn-manifesto-bento {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.7fr;
  gap: clamp(1rem, 2.5vw, 1.75rem);
  max-width: var(--kn-max); margin: 0 auto;
  align-items: start;
}
.kn-manifesto-bento__lead p { color: var(--kn-text-muted); margin-bottom: 1rem; font-size: 0.94rem; }
.kn-manifesto-bento__quote {
  margin-top: 1.5rem; padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--kn-copper);
  background: var(--kn-copper-dim);
  border-radius: 0 3px 3px 0;
}
.kn-manifesto-bento__quote p { font-family: var(--kn-font-serif); font-size: 1.1rem; font-style: italic; }
.kn-manifesto-bento__quote cite { display: block; margin-top: 0.65rem; font-size: 0.78rem; color: var(--kn-text-muted); font-style: normal; }

.kn-manifesto-bento__visual {
  position: relative; border-radius: 3px; overflow: hidden;
  border: 1px solid var(--kn-border);
  transform: translateY(-16px);
  box-shadow: var(--kn-shadow-float);
}
.kn-manifesto-bento__overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1rem;
  display: flex; justify-content: space-between;
  font-size: 0.65rem; letter-spacing: 0.1em;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
}

.kn-manifesto-bento__pillars { display: flex; flex-direction: column; gap: 0.65rem; }
.kn-manifesto-bento__pillars article {
  padding: 1rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 2px;
  transition: transform 0.3s var(--kn-ease), border-color 0.3s;
}
.kn-manifesto-bento__pillars article:hover { transform: translateX(6px); border-color: var(--kn-border-copper); }
.kn-manifesto-bento__pillars strong { font-family: var(--kn-font-serif); color: var(--kn-copper); font-size: 0.85rem; }
.kn-manifesto-bento__pillars h3 { margin: 0.25rem 0 0.35rem; font-size: 1rem; }
.kn-manifesto-bento__pillars p { font-size: 0.82rem; color: var(--kn-text-muted); }

/* M03 Horizon */
.kn-horizon-head { max-width: 52ch; margin: 0 auto clamp(1.5rem, 4vw, 2.5rem); text-align: center; }
.kn-horizon-head p { color: var(--kn-text-muted); margin-top: 0.5rem; }
.kn-horizon-track {
  overflow-x: auto; overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--kn-copper) var(--kn-obsidian-soft);
  cursor: grab;
  padding: 0.5rem 0 1.5rem;
}
.kn-horizon-track.is-dragging { cursor: grabbing; user-select: none; }
.kn-horizon-track__belt {
  display: flex; gap: 1rem;
  padding: 0 var(--kn-pad);
  width: max-content;
}
.kn-horizon-card {
  flex: 0 0 clamp(280px, 32vw, 360px);
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 3px;
  overflow: hidden;
  transition: transform 0.35s var(--kn-ease), border-color 0.35s;
}
.kn-horizon-card:hover { transform: translateY(-6px); border-color: var(--kn-border-copper); }
.kn-horizon-card figure { aspect-ratio: 3/2; overflow: hidden; }
.kn-horizon-card img { width: 100%; height: 100%; object-fit: cover; }
.kn-horizon-card__body { padding: 1rem 1.15rem 1.25rem; }
.kn-horizon-card__tag { font-family: var(--kn-font-serif); font-size: 1.15rem; color: var(--kn-copper); }
.kn-horizon-card__spec { font-size: 0.78rem; letter-spacing: 0.06em; color: var(--kn-text-muted); margin: 0.35rem 0; }
.kn-horizon-card__note { font-size: 0.88rem; color: var(--kn-text-muted); }
.kn-horizon-hint { text-align: center; margin-top: 0.5rem; }

/* M04 Terrain */
.kn-terrain-bento {
  display: grid; grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  max-width: var(--kn-max); margin: 0 auto;
  align-items: center;
}
.kn-terrain-bento__nav p { color: var(--kn-text-muted); margin: 0.5rem 0 1.25rem; }
.kn-terrain-bento__tabs {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.5rem;
}
.kn-terrain-tab {
  padding: 0.85rem 1rem;
  text-align: left;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 2px;
  transition: all 0.3s var(--kn-ease);
}
.kn-terrain-tab__jp { display: block; font-family: var(--kn-font-serif); font-size: 1.05rem; }
.kn-terrain-tab__en { font-size: 0.65rem; letter-spacing: 0.1em; color: var(--kn-text-muted); }
.kn-terrain-tab:hover, .kn-terrain-tab.is-active {
  border-color: var(--kn-border-copper);
  background: var(--kn-copper-dim);
  transform: translateY(-3px);
}
.kn-terrain-tab.is-active .kn-terrain-tab__jp { color: var(--kn-copper); }

.kn-terrain-bento__stage { position: relative; min-height: 380px; }
.kn-terrain-panel {
  position: absolute; inset: 0;
  opacity: 0; transform: scale(0.96);
  transition: opacity 0.45s var(--kn-ease), transform 0.45s var(--kn-ease);
  pointer-events: none;
}
.kn-terrain-panel.is-active { opacity: 1; transform: none; pointer-events: auto; }
.kn-terrain-panel__img {
  border-radius: 3px; overflow: hidden;
  border: 1px solid var(--kn-border);
  box-shadow: var(--kn-shadow-float);
}
.kn-terrain-panel__hud {
  position: absolute; bottom: 1.25rem; left: 1.25rem; right: 1.25rem;
  padding: 1rem 1.25rem;
  background: rgba(13, 14, 18, 0.82);
  backdrop-filter: blur(8px);
  border: 1px solid var(--kn-border-copper);
  border-radius: 2px;
}
.kn-terrain-panel__rpm {
  font-family: var(--kn-font-serif); font-size: 1.8rem; color: var(--kn-copper);
  display: block; margin-bottom: 0.35rem;
}
.kn-terrain-panel__rpm small { font-size: 0.65rem; color: var(--kn-text-muted); }

/* M05 Lattice */
.kn-lattice-head { max-width: var(--kn-max); margin: 0 auto 2rem; }
.kn-lattice-bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: 0.65rem;
  max-width: var(--kn-max); margin: 0 auto;
}
.kn-lattice-cell {
  padding: 1.25rem 1rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 2px;
  text-align: center;
  transition: transform 0.3s var(--kn-ease), border-color 0.3s;
}
.kn-lattice-cell:nth-child(1) { grid-column: span 2; }
.kn-lattice-cell:nth-child(2) { grid-column: span 2; transform: translateY(8px); }
.kn-lattice-cell:nth-child(3) { grid-column: span 2; }
.kn-lattice-cell:nth-child(4) { grid-column: span 3; transform: translateY(-4px); }
.kn-lattice-cell:nth-child(5) { grid-column: span 2; }
.kn-lattice-cell:nth-child(6) { grid-column: span 1; transform: translateY(12px); }
.kn-lattice-cell:hover { border-color: var(--kn-border-copper); transform: translateY(-4px) !important; }
.kn-lattice-cell__val {
  font-family: var(--kn-font-serif); font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--kn-copper); display: block; line-height: 1;
}
.kn-lattice-cell__val small { font-size: 0.45em; color: var(--kn-text-muted); }
.kn-lattice-cell__label { font-size: 0.72rem; color: var(--kn-text-muted); letter-spacing: 0.04em; margin-top: 0.35rem; display: block; }

/* M06 Mosaic */
.kn-mosaic-head {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem;
  max-width: var(--kn-max); margin: 0 auto 2rem;
}
.kn-mosaic-bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: 0.75rem;
  max-width: var(--kn-max); margin: 0 auto;
}
.kn-mosaic-cell {
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 3px;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.35s var(--kn-ease), box-shadow 0.35s;
}
.kn-mosaic-cell[data-size="lg"] { grid-column: span 6; grid-row: span 2; }
.kn-mosaic-cell[data-size="wide"] { grid-column: span 7; }
.kn-mosaic-cell[data-size="md"] { grid-column: span 5; }
.kn-mosaic-cell:hover { transform: translateY(-5px); box-shadow: var(--kn-shadow-float); }
.kn-mosaic-cell figure { position: relative; flex: 1; min-height: 160px; overflow: hidden; }
.kn-mosaic-cell img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--kn-ease); }
.kn-mosaic-cell:hover img { transform: scale(1.04); }
.kn-mosaic-cell__badge {
  position: absolute; top: 0.75rem; left: 0.75rem;
  width: 2rem; height: 2rem;
  display: grid; place-items: center;
  font-family: var(--kn-font-serif);
  background: var(--kn-copper); color: #fff;
  border-radius: 2px; font-size: 0.9rem;
}
.kn-mosaic-cell__body { padding: 1rem 1.15rem 1.25rem; }
.kn-mosaic-cell__cat { font-size: 0.68rem; letter-spacing: 0.08em; color: var(--kn-slate); }
.kn-mosaic-cell__body h3 { margin: 0.25rem 0 0.4rem; font-size: 1.1rem; }
.kn-mosaic-cell__body p { font-size: 0.84rem; color: var(--kn-text-muted); margin-bottom: 0.85rem; }
.kn-mosaic-cell__foot { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; flex-wrap: wrap; }
.kn-mosaic-cell__foot span { font-family: var(--kn-font-serif); font-size: 1.1rem; color: var(--kn-copper); }

/* M07 Prism */
.kn-prism-wrap { max-width: var(--kn-max); margin: 0 auto; }
.kn-prism-bento {
  display: grid; grid-template-columns: 0.85fr 1.15fr;
  gap: 2rem; align-items: center;
}
.kn-prism-bento__type p { color: var(--kn-text-muted); margin: 0.75rem 0 1.25rem; }
.kn-prism-bento__frame {
  position: relative; border-radius: 3px; overflow: hidden;
  border: 1px solid var(--kn-border-copper);
}
.kn-prism-bento__frame img { width: 100%; transition: filter 0.5s; }
.kn-prism-bento__glitch {
  position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(196, 92, 58, 0.03) 2px,
    rgba(196, 92, 58, 0.03) 4px
  );
  mix-blend-mode: overlay;
  transition: opacity 0.4s;
}
.kn-prism-bento__mask {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(135deg, var(--kn-copper) 0%, transparent 40%, transparent 60%, var(--kn-slate) 100%);
  opacity: 0;
  mix-blend-mode: color-dodge;
  transition: opacity 0.4s;
}
.kn-prism-bento__frame.is-distorted img {
  filter: contrast(1.15) saturate(1.2) hue-rotate(-8deg);
  animation: kn-glitch-shift 3s infinite;
}
.kn-prism-bento__frame.is-distorted .kn-prism-bento__glitch,
.kn-prism-bento__frame.is-distorted .kn-prism-bento__mask { opacity: 1; }

@keyframes kn-glitch-shift {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 1px); }
  40% { transform: translate(2px, -1px); }
  60% { transform: translate(-1px, 2px); }
  80% { transform: translate(1px, -2px); }
}

/* M08 Craft */
.kn-craft-head { max-width: var(--kn-max); margin: 0 auto 2rem; }
.kn-craft-bento {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  max-width: var(--kn-max); margin: 0 auto;
}
.kn-craft-col {
  padding: 1.15rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 3px;
  transform: translateY(calc(var(--craft-i, 0) * 8px));
  transition: transform 0.35s var(--kn-ease), border-color 0.35s;
}
.kn-craft-col:hover { transform: translateY(calc(var(--craft-i, 0) * 4px - 6px)); border-color: var(--kn-border-copper); }
.kn-craft-col__num { font-family: var(--kn-font-serif); font-size: 1.5rem; color: var(--kn-copper); opacity: 0.6; }
.kn-craft-col figure { margin: 0.75rem 0; border-radius: 2px; overflow: hidden; }
.kn-craft-col h3 { margin-bottom: 0.4rem; }
.kn-craft-col p { font-size: 0.84rem; color: var(--kn-text-muted); }

/* M09 Resonance */
.kn-resonance-head { max-width: var(--kn-max); margin: 0 auto 2rem; }
.kn-resonance-deck {
  display: flex; flex-direction: column; gap: 1rem;
  max-width: 720px; margin: 0 auto;
  padding-left: clamp(1rem, 8vw, 4rem);
}
.kn-resonance-card {
  display: flex; gap: 1.25rem; align-items: flex-start;
  padding: 1.35rem 1.5rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 3px;
  margin-left: calc(var(--res-i, 0) * 24px);
  box-shadow: var(--kn-shadow-float);
  transition: transform 0.35s var(--kn-ease);
}
.kn-resonance-card:hover { transform: translateX(8px); border-color: var(--kn-border-copper); }
.kn-resonance-card__thumb {
  flex: 0 0 64px; width: 64px; height: 64px;
  border-radius: 50%; overflow: hidden;
  border: 2px solid var(--kn-border-copper);
}
.kn-resonance-card blockquote p { font-family: var(--kn-font-serif); font-size: 0.98rem; line-height: 1.55; margin-bottom: 0.65rem; }
.kn-resonance-card footer strong { display: block; font-size: 0.88rem; }
.kn-resonance-card footer span { font-size: 0.75rem; color: var(--kn-text-muted); }

/* M10 Convergence */
.kn-converge-bento {
  display: grid;
  grid-template-columns: 1fr 1.1fr 0.75fr;
  gap: clamp(0.75rem, 2vw, 1.25rem);
  max-width: var(--kn-max); margin: 0 auto;
  align-items: stretch;
}
.kn-converge-bento__visual {
  border-radius: 3px; overflow: hidden;
  border: 1px solid var(--kn-border);
  transform: translateY(10px);
}
.kn-converge-bento__cta {
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border-copper);
  border-radius: 3px;
}
.kn-converge-bento__cta p { color: var(--kn-text-muted); margin: 0.65rem 0 1.25rem; }
.kn-converge-bento__actions { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-bottom: 1.25rem; }
.kn-converge-bento__trust { font-size: 0.78rem; color: var(--kn-text-muted); }
.kn-converge-bento__trust li { padding: 0.25rem 0; padding-left: 1rem; position: relative; }
.kn-converge-bento__trust li::before { content: '◆'; position: absolute; left: 0; color: var(--kn-copper); font-size: 0.5rem; top: 0.45rem; }

.kn-converge-bento__teaser {
  padding: 1.25rem;
  background: var(--kn-copper-dim);
  border: 1px solid var(--kn-border-copper);
  border-radius: 3px;
  display: flex; flex-direction: column; gap: 0.65rem;
}
.kn-converge-form { display: flex; flex-direction: column; gap: 0.5rem; }
.kn-converge-form input {
  padding: 0.65rem 0.85rem;
  background: var(--kn-obsidian-soft);
  border: 1px solid var(--kn-border);
  border-radius: 2px;
}

/* ─── Footer ─── */
.kn-bento-foot {
  border-top: 1px solid var(--kn-border);
  background: var(--kn-obsidian-soft);
  margin-top: 2rem;
}
.kn-bento-foot__grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  max-width: var(--kn-max);
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4rem) var(--kn-pad);
}
.kn-bento-foot__cell--brand { display: flex; flex-direction: column; gap: 0.85rem; }
.kn-bento-foot__sigil {
  width: 2.5rem; height: 2.5rem;
  display: grid; place-items: center;
  font-family: var(--kn-font-serif); font-size: 1.2rem;
  background: var(--kn-copper-dim);
  border: 1px solid var(--kn-border-copper);
  border-radius: 2px; color: var(--kn-copper);
}
.kn-bento-foot__cell strong { font-family: var(--kn-font-serif); font-size: 1.15rem; }
.kn-bento-foot__cell p { font-size: 0.85rem; color: var(--kn-text-muted); }
.kn-bento-foot__cell address { font-size: 0.82rem; color: var(--kn-text-muted); line-height: 1.7; }
.kn-bento-foot__cell h4 {
  font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--kn-slate); margin-bottom: 0.85rem;
}
.kn-bento-foot__cell a {
  display: block; font-size: 0.88rem; color: var(--kn-text-muted);
  padding: 0.2rem 0; transition: color 0.25s;
}
.kn-bento-foot__cell a:hover { color: var(--kn-copper); }
.kn-bento-foot__news { display: flex; gap: 0.4rem; margin-top: 0.75rem; }
.kn-bento-foot__news input {
  flex: 1; padding: 0.55rem 0.75rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 2px; font-size: 0.82rem;
}
.kn-bento-foot__bar {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem;
  padding: 1rem var(--kn-pad);
  border-top: 1px solid var(--kn-border);
  font-size: 0.72rem; color: var(--kn-text-muted);
}
.kn-bento-foot__coords { letter-spacing: 0.06em; }

/* ─── Back to top / Toast ─── */
.kn-ascend {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 700;
  width: 2.75rem; height: 2.75rem;
  display: grid; place-items: center;
  background: var(--kn-copper);
  color: #fff; border-radius: 2px;
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.35s, transform 0.35s, visibility 0.35s;
  box-shadow: var(--kn-shadow-float);
}
.kn-ascend.is-visible { opacity: 1; visibility: visible; transform: none; }
.kn-ascend:hover { background: var(--kn-copper-light); }

.kn-toast {
  position: fixed; bottom: 5rem; left: 50%; transform: translateX(-50%) translateY(20px);
  z-index: 9999; padding: 0.75rem 1.5rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border-copper);
  border-radius: 2px; font-size: 0.85rem;
  opacity: 0; visibility: hidden;
  transition: opacity 0.35s, transform 0.35s, visibility 0.35s;
}
.kn-toast.is-visible { opacity: 1; visibility: visible; transform: translateX(-50%); }

/* ─── Inner pages ─── */
.kn-page { padding: calc(var(--kn-nav-h) + 2rem) var(--kn-pad) 4rem; }
.kn-page-mast { max-width: 720px; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.kn-page-mast--slant { padding-left: 1.5rem; border-left: 3px solid var(--kn-copper); }
.kn-page-mast__sub { color: var(--kn-text-muted); margin-top: 0.65rem; font-size: 0.95rem; }

/* Shop */
.kn-shop-bento {
  display: grid; grid-template-columns: 220px 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  max-width: var(--kn-max); margin: 0 auto;
}
.kn-shop-filter {
  position: sticky; top: calc(var(--kn-nav-h) + 1rem);
  align-self: start;
  padding: 1.25rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 3px;
}
.kn-shop-filter h2 { font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--kn-slate); margin-bottom: 1rem; }
.kn-shop-filters { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1.25rem; }
.kn-shop-filter-btn, .kn-shop-filters button {
  text-align: left; padding: 0.5rem 0.75rem;
  font-size: 0.82rem; color: var(--kn-text-muted);
  border: 1px solid transparent; border-radius: 2px;
  transition: all 0.25s;
}
.kn-shop-filters button:hover, .kn-shop-filters button.is-active {
  color: var(--kn-copper); background: var(--kn-copper-dim);
  border-color: var(--kn-border-copper);
}
.kn-shop-sort label { font-size: 0.72rem; color: var(--kn-slate); display: block; margin-bottom: 0.35rem; }
.kn-shop-sort select {
  width: 100%; padding: 0.5rem;
  background: var(--kn-obsidian-soft);
  border: 1px solid var(--kn-border); border-radius: 2px;
}

.kn-shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.kn-shop-tile {
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 3px;
  overflow: hidden;
  transition: transform 0.35s var(--kn-ease), border-color 0.35s;
}
.kn-shop-tile:hover { transform: translateY(-4px); border-color: var(--kn-border-copper); }
.kn-shop-tile__img { position: relative; aspect-ratio: 3/2; overflow: hidden; }
.kn-shop-tile__img img { width: 100%; height: 100%; object-fit: cover; }
.kn-shop-tile__badge {
  position: absolute; top: 0.65rem; left: 0.65rem;
  padding: 0.25rem 0.5rem;
  font-family: var(--kn-font-serif);
  background: var(--kn-copper); color: #fff;
  font-size: 0.8rem; border-radius: 2px;
}
.kn-shop-tile__body { padding: 1rem 1.15rem 1.25rem; }
.kn-shop-tile__cat { font-size: 0.68rem; color: var(--kn-slate); letter-spacing: 0.06em; }
.kn-shop-tile__body h3 { margin: 0.3rem 0 0.4rem; font-size: 1.05rem; }
.kn-shop-tile__story { font-size: 0.82rem; color: var(--kn-text-muted); margin-bottom: 0.75rem; }
.kn-shop-tile__spec {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.35rem;
  font-size: 0.72rem; margin-bottom: 0.85rem;
  padding: 0.65rem 0; border-top: 1px solid var(--kn-border); border-bottom: 1px solid var(--kn-border);
}
.kn-shop-tile__spec dt { color: var(--kn-slate); }
.kn-shop-tile__spec dd { font-weight: 500; }
.kn-shop-tile__foot { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; flex-wrap: wrap; }
.kn-shop-tile__price { font-family: var(--kn-font-serif); font-size: 1.1rem; color: var(--kn-copper); }

/* Cart */
.kn-cart-bento {
  display: grid; grid-template-columns: 1fr 340px;
  gap: 2rem; max-width: var(--kn-max); margin: 0 auto;
}
.kn-cart-list { display: flex; flex-direction: column; gap: 1rem; }
.kn-cart-item {
  display: grid; grid-template-columns: 140px 1fr auto;
  gap: 1.25rem; align-items: center;
  padding: 1.15rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 3px;
}
.kn-cart-item img { border-radius: 2px; aspect-ratio: 3/2; object-fit: cover; }
.kn-cart-item__info h3 { font-size: 1rem; margin-bottom: 0.25rem; }
.kn-cart-item__price { font-family: var(--kn-font-serif); color: var(--kn-copper); }
.kn-cart-remove { font-size: 0.75rem; color: var(--kn-text-muted); margin-top: 0.35rem; text-decoration: underline; }
.kn-cart-qty {
  display: flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--kn-border); border-radius: 2px; padding: 0.25rem;
}
.kn-cart-qty button { width: 1.75rem; height: 1.75rem; display: grid; place-items: center; }
.kn-cart-empty { text-align: center; padding: 3rem; color: var(--kn-text-muted); }
.kn-cart-empty p { margin-bottom: 1rem; }

.kn-cart-summary {
  position: sticky; top: calc(var(--kn-nav-h) + 1rem);
  align-self: start;
  padding: 1.5rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border-copper);
  border-radius: 3px;
}
.kn-cart-summary h2 { font-size: 1rem; margin-bottom: 1.25rem; }
.kn-cart-totals div {
  display: flex; justify-content: space-between;
  padding: 0.5rem 0; font-size: 0.88rem;
  border-bottom: 1px solid var(--kn-border);
}
.kn-cart-totals__total { font-weight: 600; font-size: 1rem !important; margin-top: 0.5rem; border-bottom: none !important; }
.kn-cart-totals__total dd { font-family: var(--kn-font-serif); color: var(--kn-copper); font-size: 1.25rem; }
.kn-cart-coupon { margin: 1.25rem 0; }
.kn-cart-coupon label { font-size: 0.75rem; color: var(--kn-slate); display: block; margin-bottom: 0.35rem; }
.kn-cart-coupon__row { display: flex; gap: 0.4rem; }
.kn-cart-coupon input {
  flex: 1; padding: 0.55rem 0.75rem;
  background: var(--kn-obsidian-soft);
  border: 1px solid var(--kn-border); border-radius: 2px;
}
.kn-cart-checkout { width: 100%; margin-top: 0.5rem; }
.kn-cart-note { font-size: 0.72rem; color: var(--kn-text-muted); margin-top: 0.85rem; }

/* FAQ */
.kn-faq-bento {
  display: grid; grid-template-columns: 240px 1fr;
  gap: 2rem; max-width: var(--kn-max); margin: 0 auto;
}
.kn-faq-tabs { display: flex; flex-direction: column; gap: 0.35rem; }
.kn-faq-tab {
  text-align: left; padding: 0.75rem 1rem;
  font-size: 0.85rem; color: var(--kn-text-muted);
  border: 1px solid var(--kn-border); border-radius: 2px;
  transition: all 0.25s;
}
.kn-faq-tab:hover, .kn-faq-tab.is-active {
  color: var(--kn-copper); background: var(--kn-copper-dim);
  border-color: var(--kn-border-copper);
}
.kn-faq-panel { display: none; }
.kn-faq-panel.is-active { display: block; }
.kn-faq-item {
  border: 1px solid var(--kn-border);
  border-radius: 2px; margin-bottom: 0.5rem;
  background: var(--kn-obsidian-panel);
  overflow: hidden;
}
.kn-faq-item summary {
  padding: 1rem 1.25rem;
  font-family: var(--kn-font-serif);
  font-size: 0.98rem;
  cursor: pointer;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.kn-faq-item summary::-webkit-details-marker { display: none; }
.kn-faq-item summary::after { content: '+'; color: var(--kn-copper); font-size: 1.2rem; }
.kn-faq-item[open] summary::after { content: '−'; }
.kn-faq-item__body { padding: 0 1.25rem 1.15rem; font-size: 0.9rem; color: var(--kn-text-muted); }

.kn-faq-cta {
  text-align: center; max-width: 520px;
  margin: 3rem auto 0; padding: 2rem;
  background: var(--kn-copper-dim);
  border: 1px solid var(--kn-border-copper);
  border-radius: 3px;
}
.kn-faq-cta p { color: var(--kn-text-muted); margin: 0.65rem 0 1.25rem; }

/* Contact */
.kn-contact-bento {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2.5rem; max-width: var(--kn-max); margin: 0 auto;
}
.kn-contact-card {
  padding: 1.25rem; margin: 1rem 0;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 3px; line-height: 1.8;
}
.kn-contact-hours { color: var(--kn-text-muted); font-size: 0.88rem; margin-bottom: 0.5rem; }
.kn-contact-map__frame {
  border-radius: 3px; overflow: hidden;
  border: 1px solid var(--kn-border);
  margin: 0.75rem 0;
}
.kn-contact-map p { font-size: 0.85rem; color: var(--kn-text-muted); }

.kn-contact-form, .kn-form-row { display: flex; flex-direction: column; gap: 0.35rem; }
.kn-contact-form { gap: 1rem; }
.kn-form-row label { font-size: 0.78rem; color: var(--kn-slate); }
.kn-form-row input, .kn-form-row select, .kn-form-row textarea {
  padding: 0.7rem 0.9rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 2px;
}
.kn-contact-success {
  padding: 2rem;
  background: var(--kn-copper-dim);
  border: 1px solid var(--kn-border-copper);
  border-radius: 3px; text-align: center;
}
.kn-contact-error { color: var(--kn-copper); font-size: 0.88rem; }

/* About */
.kn-about-bento__story {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2.5rem; align-items: center;
  max-width: var(--kn-max); margin: 0 auto 3rem;
}
.kn-about-bento__fig { border-radius: 3px; overflow: hidden; border: 1px solid var(--kn-border); }
.kn-about-bento__copy p { color: var(--kn-text-muted); margin-bottom: 1rem; font-size: 0.94rem; }

.kn-about-mission__cell {
  max-width: 680px; margin: 0 auto 3rem; text-align: center;
  padding: 2rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border-copper);
  border-radius: 3px;
}
.kn-about-mission__cell blockquote {
  font-family: var(--kn-font-serif); font-size: clamp(1.1rem, 2.5vw, 1.45rem);
  font-style: italic; margin: 1rem 0;
  color: var(--kn-copper);
}
.kn-about-mission__cell p { color: var(--kn-text-muted); font-size: 0.92rem; }

.kn-about-values__head { max-width: var(--kn-max); margin: 0 auto 1.5rem; }
.kn-about-values__bento {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem; max-width: var(--kn-max); margin: 0 auto 3rem;
}
.kn-about-values__cell {
  padding: 1.25rem;
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 3px;
  transition: transform 0.3s, border-color 0.3s;
}
.kn-about-values__cell:hover { transform: translateY(-4px); border-color: var(--kn-border-copper); }
.kn-about-values__num { font-family: var(--kn-font-serif); color: var(--kn-copper); font-size: 0.9rem; }
.kn-about-values__cell h3 { margin: 0.35rem 0 0.4rem; font-size: 1rem; }
.kn-about-values__cell p { font-size: 0.82rem; color: var(--kn-text-muted); }

.kn-about-chronicle__head { max-width: var(--kn-max); margin: 0 auto 1.5rem; }
.kn-about-chronicle__cols {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem; max-width: var(--kn-max); margin: 0 auto 3rem;
}
.kn-about-chronicle__entry {
  background: var(--kn-obsidian-panel);
  border: 1px solid var(--kn-border);
  border-radius: 3px; overflow: hidden;
  transform: translateY(calc(var(--tl-i, 0) * 6px));
}
.kn-about-chronicle__entry figure { aspect-ratio: 4/3; overflow: hidden; }
.kn-about-chronicle__body { padding: 1rem; }
.kn-about-chronicle__year { font-family: var(--kn-font-serif); font-size: 1.3rem; color: var(--kn-copper); }
.kn-about-chronicle__body h3 { margin: 0.25rem 0 0.35rem; font-size: 0.95rem; }
.kn-about-chronicle__body p { font-size: 0.8rem; color: var(--kn-text-muted); }

.kn-about-studio {
  max-width: var(--kn-max); margin: 0 auto;
  padding: 2rem;
  background: var(--kn-copper-dim);
  border: 1px solid var(--kn-border-copper);
  border-radius: 3px;
}
.kn-about-studio address { margin: 1rem 0; line-height: 1.8; color: var(--kn-text-muted); }
.kn-about-studio p { font-size: 0.88rem; color: var(--kn-text-muted); margin-bottom: 1.25rem; }

/* Legal */
.kn-legal-body {
  max-width: 720px; margin: 0 auto;
  font-size: 0.92rem; color: var(--kn-text-muted);
}
.kn-legal-body section { margin-bottom: 2.5rem; }
.kn-legal-body h2 {
  font-size: 1.25rem; color: var(--kn-text);
  margin-bottom: 0.85rem; padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--kn-border);
}
.kn-legal-body h3 { font-size: 1rem; color: var(--kn-text); margin: 1rem 0 0.5rem; }
.kn-legal-body p { margin-bottom: 0.85rem; }
.kn-legal-body ul { margin: 0.5rem 0 1rem 1.25rem; list-style: disc; }
.kn-legal-body li { margin-bottom: 0.35rem; }
.kn-legal-body address { margin-top: 0.75rem; line-height: 1.8; }

/* ─── Responsive ─── */
@media (max-width: 1100px) {
  .kn-portal-bento { grid-template-columns: 1fr 1fr; }
  .kn-portal-bento__type { grid-column: 1 / -1; grid-row: auto; }
  .kn-portal-bento__hero { grid-column: 1; grid-row: auto; }
  .kn-portal-bento__thumb { grid-column: 2; }
  .kn-portal-bento__micro { grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; }
  .kn-manifesto-bento { grid-template-columns: 1fr 1fr; }
  .kn-manifesto-bento__pillars { grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; }
  .kn-manifesto-bento__pillars article { flex: 1; min-width: 200px; }
  .kn-mosaic-cell[data-size="lg"] { grid-column: span 12; }
  .kn-mosaic-cell[data-size="wide"], .kn-mosaic-cell[data-size="md"] { grid-column: span 6; }
  .kn-converge-bento { grid-template-columns: 1fr 1fr; }
  .kn-converge-bento__visual { grid-column: 1 / -1; }
  .kn-converge-bento__teaser { grid-column: 1 / -1; }
  .kn-bento-foot__grid { grid-template-columns: 1fr 1fr; }
  .kn-craft-bento { grid-template-columns: repeat(2, 1fr); }
  .kn-about-chronicle__cols { grid-template-columns: repeat(2, 1fr); }
  .kn-about-values__bento { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .page-home .kn-main { padding-left: 0; }
  .kn-bento-rail { display: none; }
  .kn-mast__links { display: none; }
  .kn-burger { display: flex; }
  .kn-terrain-bento { grid-template-columns: 1fr; }
  .kn-prism-bento { grid-template-columns: 1fr; }
  .kn-lattice-bento { grid-template-columns: repeat(3, 1fr); }
  .kn-lattice-cell { grid-column: span 1 !important; transform: none !important; }
  .kn-shop-bento, .kn-faq-bento, .kn-cart-bento, .kn-contact-bento { grid-template-columns: 1fr; }
  .kn-shop-filter { position: static; }
  .kn-cart-summary { position: static; }
  .kn-about-bento__story { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .kn-portal-bento { grid-template-columns: 1fr; }
  .kn-portal-bento__thumb, .kn-portal-bento__micro { grid-column: 1; }
  .kn-manifesto-bento { grid-template-columns: 1fr; }
  .kn-manifesto-bento__visual { transform: none; }
  .kn-mosaic-cell { grid-column: span 12 !important; }
  .kn-craft-bento { grid-template-columns: 1fr; }
  .kn-converge-bento { grid-template-columns: 1fr; }
  .kn-bento-foot__grid { grid-template-columns: 1fr; }
  .kn-cart-item { grid-template-columns: 100px 1fr; }
  .kn-cart-qty { grid-column: 1 / -1; justify-self: start; }
  .kn-resonance-card { margin-left: 0 !important; flex-direction: column; }
  .kn-about-chronicle__cols, .kn-about-values__bento { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .kn-fade-up { opacity: 1; transform: none; transition: none; }
  .kn-prism-bento__frame.is-distorted img { animation: none; }
}