:root{
  --bg: #0A0A0D;
  --panel: #131317;
  --panel-line: #232329;
  --text: #E9E6E0;
  --muted: #8A8A93;
  --cyan: #3FE0C5;
  --magenta: #FF3D7F;
  --alpha-amber: #E8B04B;
  --white: #fff;

  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-mono: "Space Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  --radius: 2px;
}

*{ box-sizing: border-box; }

html{ background: var(--bg); }

body{
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  position: relative;
  overflow-x: hidden;
}

/* ambient noise canvas */
#noise{
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.035;
  z-index: 0;
  mix-blend-mode: overlay;
}

/* subtle scanline overlay across whole page */
body::before{
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.025) 0px,
    rgba(255,255,255,0.025) 1px,
    transparent 1px,
    transparent 3px
  );
}

/* ---------- back button ---------- */
.back-btn{
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px 8px 8px;
  color: var(--muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  border: 1px solid var(--panel-line);
  border-radius: var(--radius);
  background: rgba(19,19,23,0.7);
  backdrop-filter: blur(4px);
  transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}
.back-btn svg{ flex-shrink: 0; }
.back-btn:hover{
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateX(-2px);
}
.back-btn:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (min-width: 560px){
  .back-btn span{ display: inline; }
}

/* ---------- layout ---------- */
main{
  position: relative;
  z-index: 2;
  max-width: 980px;
  margin: 0 auto;
  padding: 92px 24px 72px;
}

.hero{
  text-align: center;
  margin-bottom: 56px;
}

.logo{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 7vw, 3.8rem);
  letter-spacing: 0.02em;
  margin: 0;
  position: relative;
  color: var(--text);
  display: inline-block;
}

/* chromatic-aberration glitch signature */
.logo{ isolation: isolate; }
.logo::before,
.logo::after{
  content: attr(data-text);
  position: absolute;
  inset: 0;
  z-index: -1;
}
.logo::before{
  color: var(--cyan);
  animation: glitch-shift-a 6.5s infinite steps(1);
}
.logo::after{
  color: var(--magenta);
  animation: glitch-shift-b 6.5s infinite steps(1);
}

@keyframes glitch-shift-a{
  0%, 92%, 100%{ transform: translate(0,0); opacity: 0; }
  93%{ transform: translate(-2px, 0.5px); opacity: 0.75; }
  94%{ transform: translate(1.5px, -0.5px); opacity: 0.6; }
  95%{ transform: translate(-1px, 0); opacity: 0; }
}
@keyframes glitch-shift-b{
  0%, 92%, 100%{ transform: translate(0,0); opacity: 0; }
  93%{ transform: translate(2px, -0.5px); opacity: 0.75; }
  94%{ transform: translate(-1.5px, 0.5px); opacity: 0.6; }
  95%{ transform: translate(1px, 0); opacity: 0; }
}

.subtitle{
  margin: 14px 0 0;
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.accent-flicker{
  color: var(--cyan);
  animation: flicker 4.2s infinite;
}
@keyframes flicker{
  0%, 88%, 100%{ opacity: 1; }
  89%{ opacity: 0.35; }
  90%{ opacity: 1; }
  91%{ opacity: 0.5; }
  92%{ opacity: 1; }
}

/* ---------- cards grid ---------- */
.grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 700px){
  .grid{
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

.card-frame{
  position: relative;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: var(--radius);
  padding: 1px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card-frame:hover{
  border-color: #33333b;
  transform: translateY(-2px);
}

/* corner brackets — tuning-a-signal motif */
.corner{
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--cyan);
  opacity: 0.8;
  pointer-events: none;
}
.corner.tl{ top: -1px; left: -1px; border-right: none; border-bottom: none; }
.corner.tr{ top: -1px; right: -1px; border-left: none; border-bottom: none; }
.corner.bl{ bottom: -1px; left: -1px; border-right: none; border-top: none; }
.corner.br{ bottom: -1px; right: -1px; border-left: none; border-top: none; }

.card-media{
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--panel-line);
  background: #0D0D10;
}

.card-media video,
.card-media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.placeholder-art{
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background:
    radial-gradient(circle at 30% 20%, rgba(63,224,197,0.10), transparent 55%),
    radial-gradient(circle at 75% 80%, rgba(255,61,127,0.10), transparent 55%),
    repeating-linear-gradient(135deg, #101014 0px, #101014 8px, #131317 8px, #131317 16px);
}
.ph-glyph{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3.2rem;
  color: var(--panel-line);
  letter-spacing: 0.02em;
}
.placeholder-art.wave::after{
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 5px,
    rgba(63,224,197,0.05) 5px,
    rgba(63,224,197,0.05) 6px
  );
  animation: scan-drift 5s linear infinite;
}
@keyframes scan-drift{
  0%{ transform: translateY(-6px); }
  100%{ transform: translateY(6px); }
}

.badge{
  position: absolute;
  top: 10px;
  right: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--alpha-amber);
  border: 1px solid rgba(232,176,75,0.4);
  background: rgba(10,10,13,0.75);
  padding: 3px 7px;
  border-radius: var(--radius);
}

.card-body{
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.card-title{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  margin: 0;
  letter-spacing: 0.01em;
}

.card-desc{
  margin: 0;
  color: var(--white);
  font-size: 13px;
  line-height: 1.6;
  flex: 1;
}

.card-link{
  align-self: flex-start;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--bg);
  background: var(--cyan);
  padding: 9px 14px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.18s ease, transform 0.18s ease;
}
.card-link:hover{
  background: #6CF0DA;
  transform: translateX(1px);
}
.card-link:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.card-link.disabled{
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--panel-line);
  cursor: default;
}

.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;
}

/* ---------- motion & accessibility ---------- */
@media (prefers-reduced-motion: reduce){
  .logo::before, .logo::after,
  .accent-flicker,
  .placeholder-art.wave::after{
    animation: none !important;
  }
  .logo::before, .logo::after{ opacity: 0; }
}