/* Nine Pieces — shared styles
   Palette: asphalt night / warm paper / brass / holographic foil */

:root {
  --asphalt: #15181e;
  --asphalt-2: #1b1f27;
  --asphalt-3: #232833;
  --paper: #efe9dd;
  --paper-dim: #cfc8ba;
  --concrete: #8b919c;
  --brass: #c9a36a;
  --line: rgba(239, 233, 221, 0.12);

  --font-display: "Instrument Serif", Georgia, serif;
  --font-body: "Instrument Sans", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", Consolas, monospace;

  --max: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--asphalt);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- typography ---------- */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 7vw, 4.6rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: 1.35rem; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
}

.muted { color: var(--concrete); }

em.accent {
  font-style: italic;
  color: var(--brass);
}

a { color: var(--brass); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--paper); }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- header / footer ---------- */

header.site {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 28px 0 0;
}

header.site .logo {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper);
  text-decoration: none;
}
header.site .logo span { color: var(--brass); }

nav.langs {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}
nav.langs a { text-decoration: none; color: var(--concrete); padding: 4px 6px; }
nav.langs a[aria-current="true"] { color: var(--paper); border-bottom: 1px solid var(--brass); }

footer.site {
  border-top: 1px solid var(--line);
  margin-top: 96px;
  padding: 32px 0 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--concrete);
}
footer.site a { color: var(--concrete); }
footer.site a:hover { color: var(--paper); }

/* ---------- foil cards ---------- */

.grid-nine {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 2.5vw, 26px);
  margin: 56px 0 18px;
}
@media (max-width: 640px) {
  .grid-nine { grid-template-columns: repeat(2, 1fr); }
}

.card {
  position: relative;
  aspect-ratio: 5 / 9;
  border-radius: 10px;
  background:
    radial-gradient(120% 90% at 20% 10%, #262c38 0%, var(--asphalt-2) 55%, #12151a 100%);
  border: 1px solid rgba(239, 233, 221, 0.09);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.18s ease, box-shadow 0.25s ease;
  cursor: default;
  /* set by JS pointer tracking */
  --mx: 50%;
  --my: 50%;
  --rx: 0deg;
  --ry: 0deg;
}

.card:hover {
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-3px);
  box-shadow: 0 24px 60px -18px rgba(0, 0, 0, 0.75);
}

/* holographic layer */
.card .foil {
  position: absolute;
  inset: 0;
  background:
    conic-gradient(
      from 210deg at var(--mx) var(--my),
      #ff8bd1, #ffb98b, #ffe08b, #a9ffd0,
      #8bd0ff, #c9a0ff, #ff8bd1
    );
  opacity: 0.32;
  mix-blend-mode: color-dodge;
  filter: saturate(1.15) blur(0.4px);
  transition: opacity 0.25s ease;
}
.card:hover .foil { opacity: 0.55; }

/* moving shine stripe */
.card .shine {
  position: absolute;
  inset: -40%;
  background: linear-gradient(
    115deg,
    transparent 42%,
    rgba(239, 233, 221, 0.16) 50%,
    transparent 58%
  );
  transform: translateX(calc((var(--mx) - 50%) * 1.4));
  pointer-events: none;
}

/* grain so the foil feels printed, not digital */
.card .grain {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.14'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  pointer-events: none;
}

.card .label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 14px;
  font-family: var(--font-mono);
  z-index: 2;
}

.card .num {
  font-size: clamp(1.1rem, 2.6vw, 1.6rem);
  color: var(--paper);
  text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

.card .status {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(239, 233, 221, 0.75);
}

/* ---------- sections ---------- */

section { margin-top: 96px; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 40px;
}
@media (max-width: 720px) { .steps { grid-template-columns: 1fr; } }

.step .eyebrow { display: block; margin-bottom: 10px; }
.step p { color: var(--paper-dim); font-size: 0.95rem; }

.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--asphalt);
  background: var(--brass);
  padding: 14px 26px;
  border-radius: 4px;
  border: 0;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--paper); color: var(--asphalt); }

/* ---------- prose pages (call for artists, legal) ---------- */

.prose { max-width: 680px; }
.prose h1 { margin: 20px 0 8px; }
.prose h2 { margin: 56px 0 14px; }
.prose p { margin: 14px 0; color: var(--paper-dim); }
.prose ul { margin: 14px 0 14px 22px; color: var(--paper-dim); }
.prose li { margin: 8px 0; }
.prose strong { color: var(--paper); font-weight: 600; }

.timeline { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.95rem; }
.timeline td { border-top: 1px solid var(--line); padding: 12px 16px 12px 0; vertical-align: top; }
.timeline td:first-child { font-family: var(--font-mono); font-size: 0.8rem; color: var(--brass); white-space: nowrap; }

/* ---------- message form ---------- */

.form-card {
  max-width: 560px;
  margin: 48px auto 0;
  background: var(--asphalt-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 36px;
}
@media (max-width: 560px) { .form-card { padding: 24px; } }

.form-card label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--concrete);
  margin: 22px 0 8px;
}

.form-card input[type="text"],
.form-card textarea {
  width: 100%;
  background: var(--asphalt);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
}
.form-card textarea { min-height: 140px; resize: vertical; }

.form-card .hint { font-size: 0.8rem; color: var(--concrete); margin-top: 6px; }
.form-card .consent { font-size: 0.8rem; color: var(--concrete); margin-top: 20px; }
.form-card .btn { margin-top: 24px; width: 100%; }

.form-card .ok, .form-card .err {
  display: none;
  margin-top: 20px;
  padding: 14px;
  border-radius: 6px;
  font-size: 0.9rem;
}
.form-card .ok { background: rgba(169, 255, 208, 0.08); color: #a9ffd0; }
.form-card .err { background: rgba(255, 139, 139, 0.08); color: #ff9b9b; }

/* honeypot — hidden from humans, visible to bots */
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ---------- motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .card:hover { transform: none; transition: none; }
  .card .shine { display: none; }
}