/**
 * Site-wide layout CTA band — themeable, hero-parity atmosphere.
 * FILE_PATH: public/assets/css/site_cta.css
 *
 * Uses the same Theme Manager tokens as .tstp-hero so packs (light or dark)
 * paint the CTA instead of a locked teal wash.
 */

.site-cta-band {
  --cta-bg: var(--header-bg, var(--hero-from, var(--bg, #0B0C10)));
  --cta-surface: var(--hero-mid, var(--bg-soft, var(--panel, #14151B)));
  --cta-primary: var(--teal, var(--accent, #5B5FEF));
  --cta-secondary: var(--teal-deep, var(--accent, #2F8F86));
  --cta-accent: var(--accent, #B99B3E);
  --cta-text: var(--hero-ink, var(--chrome-text, #F3F1EA));
  --cta-text-muted: var(--hero-muted, var(--chrome-muted, #9AA3C7));
  --cta-border: var(--hero-border, color-mix(in srgb, var(--cta-text) 18%, transparent));
  --cta-btn-text: var(--on-accent, #ffffff);

  position: relative;
  margin: 0;
  padding: clamp(2.75rem, 5.5vw, 4rem) 0;
  overflow: hidden;
  isolation: isolate;
  color: var(--cta-text);
  background:
    linear-gradient(
      145deg,
      var(--hero-from, var(--cta-bg)) 0%,
      var(--hero-mid, var(--cta-surface)) 48%,
      var(--hero-to, var(--cta-secondary)) 100%
    );
  border-block: 1px solid var(--cta-border);
}

.site-cta-band .site-cta-field {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.site-cta-band .site-cta-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  mix-blend-mode: screen;
  pointer-events: none;
}

.site-cta-band .site-cta-blob.b1 {
  width: min(42vw, 28rem);
  height: min(42vw, 28rem);
  top: -28%;
  left: -8%;
  background: radial-gradient(circle, var(--cta-secondary), transparent 68%);
  opacity: 0.42;
}

.site-cta-band .site-cta-blob.b2 {
  width: min(36vw, 24rem);
  height: min(36vw, 24rem);
  bottom: -30%;
  right: -6%;
  background: radial-gradient(circle, var(--cta-accent), transparent 68%);
  opacity: 0.34;
}

.site-cta-band .site-cta-blob.b3 {
  width: min(24vw, 16rem);
  height: min(24vw, 16rem);
  top: 22%;
  left: 58%;
  background: radial-gradient(circle, var(--cta-primary), transparent 68%);
  opacity: 0.24;
}

.site-cta-band .site-cta-gridlines {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.9;
  background-image:
    linear-gradient(color-mix(in srgb, var(--cta-text) 6%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--cta-text) 6%, transparent) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 45%, #000 28%, transparent 78%);
}

.site-cta-band-inner {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
}

.site-cta-content {
  width: min(42rem, 100%);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  padding: clamp(0.35rem, 1.5vw, 0.75rem) 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.site-cta-eyebrow {
  margin: 0;
  font-family: var(--hero-font-mono, "JetBrains Mono", ui-monospace, monospace);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--cta-text-muted);
}

.site-cta-title {
  margin: 0;
  font-family: var(--hero-font-display, var(--display, "Syne", sans-serif));
  font-size: clamp(1.75rem, 4vw, 2.55rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--cta-text);
  max-width: 18ch;
}

.site-cta-lead {
  margin: 0;
  max-width: 34rem;
  color: var(--cta-text-muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.site-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 0.55rem;
}

.site-cta-band .site-cta-primary.hero-btn,
.site-cta-band .hero-btn.site-cta-primary {
  min-width: 10.5rem;
  background: var(--cta-primary);
  color: var(--cta-btn-text);
  border-color: transparent;
  box-shadow: 0 12px 28px -10px color-mix(in srgb, var(--cta-primary) 45%, transparent);
}

.site-cta-band .site-cta-primary.hero-btn:hover,
.site-cta-band .hero-btn.site-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -10px color-mix(in srgb, var(--cta-primary) 55%, transparent);
}

.site-cta-band .site-cta-secondary.hero-btn,
.site-cta-band .hero-btn.site-cta-secondary {
  min-width: 10.5rem;
  background: transparent;
  color: var(--cta-text);
  border: 1px solid var(--cta-border);
  box-shadow: none;
}

.site-cta-band .site-cta-secondary.hero-btn:hover,
.site-cta-band .hero-btn.site-cta-secondary:hover {
  border-color: color-mix(in srgb, var(--cta-text) 55%, transparent);
  background: var(--hero-wash, color-mix(in srgb, var(--cta-text) 6%, transparent));
  color: var(--cta-text);
}

@media (max-width: 640px) {
  .site-cta-band { padding: 2.25rem 0; }
  .site-cta-actions { width: 100%; flex-direction: column; }
  .site-cta-band .site-cta-primary.hero-btn,
  .site-cta-band .site-cta-secondary.hero-btn {
    width: 100%;
    min-width: 0;
  }
  .site-cta-band .site-cta-blob.b1,
  .site-cta-band .site-cta-blob.b2,
  .site-cta-band .site-cta-blob.b3 {
    filter: blur(56px);
    opacity: 0.28;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-cta-band .site-cta-primary.hero-btn:hover {
    transform: none;
  }
}