/* Variation 15 - Deliberately Strange */
:root {
  --bg: #0c0c0c;
  --ink: #f0f0f0;
  --ink-dim: #bfbfbf;
  --paper: #e8e2d6;
  --accent-1: #ff3b3b;
  --accent-2: #24ffb6;
  --accent-3: #ffd23b;
  --accent-4: #3b8bff;
  --ink-wash: rgba(240, 240, 240, 0.08);
  --grid-noise: repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.04) 0px,
    rgba(255,255,255,0.04) 1px,
    transparent 1px,
    transparent 36px
  );
  --radius: 2px;
  --space: 24px;
  --max-measure: 68ch;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    linear-gradient(180deg, rgba(0,0,0,0.25), rgba(0,0,0,0.05)),
    var(--grid-noise);
  background-size: auto, 100% 36px;
  overflow-x: hidden;
}

/* Accessibility */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  position: fixed;
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 10px 12px;
  background: var(--accent-3);
  color: #0c0c0c;
  z-index: 1000;
  border-radius: var(--radius);
}

/* Header */
.site-header {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 18px var(--space);
  border-bottom: 1px solid rgba(240,240,240,0.12);
}
.brand {
  color: var(--ink);
  text-decoration: none;
  display: grid;
  gap: 0px;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  background: var(--accent-1);
  color: #0c0c0c;
  font-weight: 800;
  border-radius: var(--radius);
}
.brand strong {
  display: block;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.brand small {
  display: block;
  color: var(--ink-dim);
  font-size: 12px;
}
.nav {
  justify-self: end;
  display: flex;
  gap: 14px;
}
.nav a {
  color: var(--ink-dim);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 4px 2px;
}
.nav a:focus {
  outline: 2px solid var(--accent-3);
  outline-offset: 2px;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space);
  padding: calc(var(--space) * 1.4) var(--space);
  border-bottom: 1px solid rgba(240,240,240,0.12);
}
.hero-copy { max-width: var(--max-measure); }
.eyebrow {
  display: inline-block;
  color: var(--accent-2);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 7px;
  border: 1px solid rgba(36,255,182,0.25);
  background: rgba(36,255,182,0.07);
}
.display {
  font-family: ui-serif, "Times New Roman", serif;
  font-size: clamp(36px, 6vw, 88px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin: 10px 0 12px;
  color: var(--paper);
}
.display .odd {
  color: var(--accent-3);
  mix-blend-mode: difference;
  display: block;
  transform: rotate(-1.4deg);
}
.display .even {
  color: var(--accent-1);
  display: block;
  margin-top: 2px;
  transform: rotate(1.2deg);
}
.lede {
  font-size: 17px;
  margin: 0 0 10px;
  color: #d8d8d8;
  max-width: 52ch;
}
.lede-sub {
  font-size: 14px;
  color: var(--ink-dim);
  max-width: 56ch;
  transform: rotate(0.5deg);
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.button {
  display: inline-block;
  padding: 10px 12px;
  border: 1px solid rgba(240,240,240,0.25);
  background: rgba(240,240,240,0.06);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
}
.button.primary {
  background: var(--accent-2);
  color: #0c0c0c;
  border-color: var(--accent-2);
}
.button:focus {
  outline: 2px solid var(--accent-3);
  outline-offset: 2px;
}

/* Grid noise object frame */
.object-frame {
  border: 1px solid rgba(240,240,240,0.14);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(0,0,0,0.15)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 12px);
  background-size: auto, auto;
  box-shadow: 6px 6px 0 0 rgba(0,0,0,0.25);
}
.object-tag {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-top: 1px solid rgba(240,240,240,0.12);
  color: var(--ink-dim);
  font-size: 12px;
}

/* Media area */
.hero-media {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 300px;
}
.glitch-canvas {
  width: 100%;
  height: 240px;
  display: block;
  background:
    radial-gradient(circle at 30% 40%, rgba(255,59,59,0.25), transparent 35%),
    radial-gradient(circle at 75% 55%, rgba(36,255,182,0.18), transparent 35%),
    var(--bg);
}

/* Proof floor */
.proof-floor { padding: calc(var(--space) * 1.2) var(--space); }
.section-kicker {
  display: inline-block;
  color: var(--accent-4);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid rgba(59,139,255,0.35);
  background: rgba(59,139,255,0.08);
}
.split-heading {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 18px;
  margin-top: 10px;
}
.split-heading h2 {
  font-size: clamp(22px, 2.8vw, 36px);
  line-height: 1.05;
  margin: 0;
  color: var(--paper);
}
.split-heading p {
  margin: 0;
  color: #c9c9c9;
  max-width: 56ch;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 22px;
}
.proof-card {
  padding: 16px;
  color: var(--ink);
}
.proof-card h3 {
  margin: 8px 0 6px;
  font-size: 20px;
  color: var(--paper);
}
.proof-card p {
  font-size: 15px;
  color: #c8c8c8;
  margin: 0 0 10px;
}
.strange-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 3px 4px;
}
.object-meta {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
  border: 1px solid rgba(240,240,240,0.16);
  padding: 2px 5px;
}

/* Labels */
.label {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 2px;
}
.real-label {
  color: #0c0c0c;
  background: var(--accent-2);
  border: 1px solid rgba(36,255,182,0.45);
}
.concept-label {
  color: #0c0c0c;
  background: var(--accent-3);
  border: 1px solid rgba(255,210,59,0.55);
}
.built-label {
  color: #0c0c0c;
  background: #9b7fff;
  border: 1px solid rgba(155,127,255,0.65);
}
.ghost-button {
  display: inline-block;
  padding: 7px 9px;
  border: 1px dashed rgba(240,240,240,0.35);
  background: rgba(240,240,240,0.04);
  color: var(--ink);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
}

/* Object playground */
.object-playground {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 18px var(--space);
}
.strange-object {
  padding: 18px;
  cursor: pointer;
  min-height: 160px;
  display: grid;
  gap: 8px;
  align-content: space-between;
}
.strange-object strong {
  font-size: 22px;
  color: var(--paper);
}
.strange-object p {
  margin: 0;
  font-size: 13px;
  color: #c2c2c2;
}

/* Media section */
.media-section { padding: 20px var(--space); }
.figure-frame {
  padding: 0;
  overflow: hidden;
}
.media-canvas {
  width: 100%;
  height: auto;
  display: block;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.25)),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.04) 0px, rgba(255,255,255,0.04) 1px, transparent 1px, transparent 28px);
  background-size: auto, auto;
}
figure {
  margin: 0;
}
figcaption {
  padding: 8px 12px;
  border-top: 1px solid rgba(240,240,240,0.12);
  color: #bdbdbd;
  font-size: 13px;
  background: rgba(0,0,0,0.15);
}

/* Footer */
.footer {
  padding: 24px var(--space);
  border-top: 1px solid rgba(240,240,240,0.12);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--ink-dim);
  font-size: 13px;
}
.footer a { color: var(--accent-2); text-decoration: none; font-weight: 700; }

/* Panels */
.concept-panel, .detail-panel {
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 6, 0.62);
  backdrop-filter: blur(4px);
  display: none;
  padding: 24px;
  place-items: center;
  z-index: 50;
}
.concept-panel[open], .detail-panel[open], .concept-panel:not([hidden]), .detail-panel:not([hidden]) { display: grid; }
.panel-card {
  background: #141414;
  border: 1px solid rgba(240,240,240,0.18);
  padding: 18px;
  max-width: 640px;
  width: 100%;
  color: var(--ink);
  box-shadow: 0 20px 60px rgba(0,0,0,0.55);
}
.panel-close {
  background: none;
  border: 1px solid rgba(240,240,240,0.22);
  color: var(--ink);
  padding: 6px 8px;
  cursor: pointer;
  font-weight: 800;
}

/* Deliberately strange hover states */
.is-askew { transform: skew(-0.4deg); }
.broken-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0;
  transform: translateY(0);
}
.broken-lines .proof-card:nth-child(even) {
  transform: translateY(10px) translateX(6px);
  background: rgba(240,240,240,0.03);
  border-color: rgba(240,240,240,0.22);
}
.broken-lines .proof-card:nth-child(3n+1) {
  transform: rotate(-0.18deg);
}
.rotate-tilt:hover { transform: rotate(0.6deg) translateY(-2px); }
.rotate-hover:hover { transform: rotate(-0.7deg) translateY(-1px); }
.bounce { animation: bouncy 2400ms cubic-bezier(0.22, 0.61, 0.36, 1) infinite; }
.bounce:hover { animation-duration: 1400ms; }
.bounce-hover:hover { animation: bouncy 2400ms cubic-bezier(0.22, 0.61, 0.36, 1) infinite; }
@keyframes bouncy {
  0%, 100% { transform: translateY(0); }
  40% { transform: translateY(-3px); }
  70% { transform: translateY(1px); }
}
.shake:hover { animation: shake 140ms steps(3) infinite; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(3px); }
}
.wiggle { animation: wiggle 220ms steps(2) infinite alternate; }
@keyframes wiggle { from { transform: rotate(-1deg); } to { transform: rotate(1deg); } }
.slide-hover:hover { transform: translateX(4px); }
.glitch-hover:hover {
  animation: glitch-step 200ms steps(4) infinite;
  transform: translate(-1px, 1px);
}
@keyframes glitch-step {
  25% { transform: translate(2px, -1px); filter: hue-rotate(110deg); }
  50% { transform: translate(-2px, 0); filter: hue-rotate(220deg); }
  75% { transform: translate(0, 2px); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .hero { transform: none; }
  .broken-lines .proof-card { transform: none; }
}

/* Responsive */
@media (max-width: 860px) {
  .site-header { grid-template-columns: 1fr; gap: 10px; }
  .nav { justify-self: start; }
  .hero, .broken-grid { grid-template-columns: 1fr; }
  .split-heading { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .object-playground { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .site-header { padding: 14px 16px; }
  .hero, .proof-floor, .section { padding-left: 16px; padding-right: 16px; }
  .object-playground { grid-template-columns: 1fr; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent-3);
  outline-offset: 3px;
}