/* =========================================================================
   GIDEON PARTNERS — The Signal (generative mark tool)
   Reuses tokens from ../studio.css (fonts, palette, reset, blueprint/grain
   background layers, corner registration marks). This file is page layout
   only. No homepage custom-cursor JS is loaded here, so restore the normal
   pointer (studio.css sets cursor:none for the homepage).
   ========================================================================= */

body { cursor: auto; overflow-x: hidden; overflow-y: auto; }
a, button { cursor: pointer; }

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

/* ---------- top bar ---------- */
.sig-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px var(--gutter);
  background: rgba(10,10,11,0.72); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.sig-nav .back {
  font-family: var(--display); font-weight: 800; font-size: 13px;
  letter-spacing: 0.02em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 8px; color: var(--bone);
  transition: color .25s;
}
.sig-nav .back .reg-dot { color: var(--accent); }
.sig-nav .back:hover { color: var(--accent); }
.sig-nav .tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--bone-dim);
}
@media (max-width: 640px){ .sig-nav .tag { display:none; } }

/* ---------- layout ---------- */
.sig-wrap { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; padding: clamp(48px,9vh,110px) var(--gutter) clamp(60px,10vh,120px); }
.wrap { max-width: 900px; margin: 0 auto; padding: 0 var(--gutter); }

.sig-intro { text-align: left; }
.sig-intro .kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--bone-dim);
  display: inline-flex; align-items: center; gap: 10px;
}
.sig-intro .kicker .star { color: var(--accent); }
.sig-h1 {
  font-family: var(--display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(2.4rem, 7vw, 4.6rem); line-height: 0.98; letter-spacing: -0.02em;
  margin: 22px 0 26px; color: var(--bone);
}
.sig-h1 .outline {
  color: transparent;
  -webkit-text-stroke: clamp(1px, 0.16vw, 2.4px) var(--accent);
}
.sig-intro .lead {
  font-family: var(--body); font-weight: 400; color: var(--bone-dim);
  font-size: clamp(1rem, 1.6vw, 1.2rem); line-height: 1.55; max-width: 56ch;
}

/* ---------- console ---------- */
.sig-console { margin-top: clamp(50px,7vh,84px); }

.sig-input-row {
  display: flex; align-items: stretch; gap: 10px;
  border: 1px solid var(--line); background: var(--panel);
}
.sig-input-row input {
  flex: 1; min-width: 0; background: transparent; border: 0; outline: 0;
  color: var(--bone); font-family: var(--display); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.01em;
  font-size: clamp(1.1rem, 2.6vw, 1.6rem);
  padding: 18px 20px;
}
.sig-input-row input::placeholder { color: var(--bone-faint); }
.sig-go {
  flex-shrink: 0; font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink); background: var(--accent);
  padding: 0 24px; transition: background .25s, transform .2s;
}
.sig-go:hover { background: var(--accent-2); }
.sig-go:active { transform: scale(0.97); }
@media (max-width: 520px){ .sig-input-row { flex-direction: column; } .sig-go { padding: 14px; } }

.sig-presets {
  margin-top: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
}
.sig-presets-label { color: var(--bone-faint); margin-right: 2px; }
.sig-presets button {
  border: 1px solid var(--line); color: var(--bone-dim); padding: 7px 13px;
  transition: border-color .2s, color .2s, background .2s;
}
.sig-presets button:hover { color: var(--ink); background: var(--bone); border-color: var(--bone); }

.sig-stage {
  margin-top: 22px; position: relative; width: 100%; aspect-ratio: 1 / 1; max-height: 74vh;
  margin-left: auto; margin-right: auto; max-width: 640px;
  border: 1px solid var(--line);
  background: radial-gradient(120% 120% at 50% 0%, rgba(255,77,28,0.06), transparent 60%), var(--ink-2);
  overflow: hidden;
}
.sig-stage canvas { display: block; width: 100%; height: 100%; }

.sig-meta {
  margin-top: 14px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 10px 20px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--bone-dim);
  max-width: 640px; margin-left: auto; margin-right: auto;
}
.sig-hue { display: inline-flex; align-items: center; gap: 8px; }
.sig-hue i {
  display: inline-block; width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}

.sig-actions {
  margin-top: 24px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  max-width: 640px; margin-left: auto; margin-right: auto;
}
.btn-outline {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--bone); border: 1px solid var(--line); padding: 12px 18px;
  transition: background .25s, color .25s, border-color .25s;
}
.btn-outline:hover { background: var(--bone); color: var(--ink); border-color: var(--bone); }
.sig-copied {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-2); opacity: 0; transition: opacity .3s;
}
.sig-copied.show { opacity: 1; }

/* ---------- note / cta ---------- */
.sig-note {
  margin-top: clamp(70px,10vh,120px); display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(24px,4vw,60px); padding-top: clamp(36px,5vh,56px); border-top: 1px solid var(--line);
}
.sig-note .col h4 {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--bone); margin-bottom: 10px;
}
.sig-note .col p { color: var(--bone-dim); font-size: 14px; line-height: 1.65; }
@media (max-width: 700px){ .sig-note { grid-template-columns: 1fr; } }

.sig-cta { margin-top: clamp(80px,12vh,140px); text-align: center; }
.sig-cta .lead-k {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--bone-dim); display: inline-flex; align-items: center; gap: 10px;
}
.sig-cta .lead-k .idx { color: var(--accent); }
.cta-row { margin-top: 22px; }
.sig-talk {
  font-family: var(--display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(2.2rem, 8vw, 5.5rem); line-height: 0.9; letter-spacing: -0.02em;
  color: var(--bone); display: inline-flex; align-items: center; gap: 18px;
  transition: color .35s var(--ease);
}
.sig-talk:hover { color: var(--accent); }
.sig-talk .arr { font-family: var(--body); transition: transform .35s var(--ease); }
.sig-talk:hover .arr { transform: translateX(10px); }

/* ---------- footer ---------- */
.sig-foot {
  position: relative; z-index: 2; display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 10px 20px; padding: 28px var(--gutter) 40px; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--bone-faint); max-width: 900px; margin: 0 auto;
}
.sig-foot a { color: var(--bone-dim); }
.sig-foot a:hover { color: var(--accent); }

/* ---------- entrance ---------- */
.sig-intro, .sig-console, .sig-note, .sig-cta {
  opacity: 0; transform: translateY(16px);
  animation: sigIn .8s var(--ease) forwards;
}
.sig-console { animation-delay: .1s; }
.sig-note { animation-delay: .15s; }
.sig-cta { animation-delay: .2s; }
@keyframes sigIn { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .sig-intro, .sig-console, .sig-note, .sig-cta { animation: none; opacity: 1; transform: none; }
}