/* ── Плавающая CTA (glassmorphism 2026) ─── */

.floating-cta {

  display: none;
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: calc(var(--z-header) - 2);
  opacity: 0;
  transform: scale(0.9) translateY(20px);
  pointer-events: none;
  filter: drop-shadow(0 12px 40px rgba(28, 26, 23, 0.14));
  transition:
    transform 420ms var(--ease-spring),
    opacity 320ms var(--ease-out),
    filter 320ms var(--ease-out);

}

.floating-cta--visible {

  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
  filter: drop-shadow(0 16px 48px rgba(28, 26, 23, 0.18));

}

.floating-cta__link {

  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 24px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  color: var(--color-dark);
  border-radius: var(--radius-full);
  overflow: hidden;
  isolation: isolate;

  /* Ultra glass */
  background:
    linear-gradient(
      155deg,
      rgba(255, 255, 255, 0.58) 0%,
      rgba(255, 255, 255, 0.24) 42%,
      rgba(245, 240, 232, 0.2) 100%
    );
  backdrop-filter: blur(56px) saturate(195%) brightness(1.06);
  -webkit-backdrop-filter: blur(56px) saturate(195%) brightness(1.06);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow:
    0 4px 6px rgba(28, 26, 23, 0.04),
    0 16px 40px rgba(28, 26, 23, 0.1),
    inset 0 1px 1px rgba(255, 255, 255, 0.85),
    inset 0 -1px 1px rgba(28, 26, 23, 0.06),
    inset 0 0 20px rgba(255, 255, 255, 0.15);

  /* Читаемость текста на прозрачном стекле */
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9),
    0 0 12px rgba(255, 255, 255, 0.45);

  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base);

}

/* Верхний блик — «линза» */
.floating-cta__link::before {

  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(
      168deg,
      rgba(255, 255, 255, 0.72) 0%,
      rgba(255, 255, 255, 0.22) 28%,
      transparent 52%
    ),
    radial-gradient(
      ellipse 80% 50% at 50% -10%,
      rgba(255, 255, 255, 0.5) 0%,
      transparent 70%
    );
  pointer-events: none;
  z-index: -1;

}

/* Радужная кромка стекла */
.floating-cta__link::after {

  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.9) 0%,
    rgba(201, 152, 42, 0.35) 22%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.55) 78%,
    rgba(201, 152, 42, 0.25) 100%
  );
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  pointer-events: none;
  opacity: 0.85;
  z-index: -2;

}

.floating-cta__link:hover {

  transform: translateY(-3px);
  background:
    linear-gradient(
      155deg,
      rgba(255, 255, 255, 0.64) 0%,
      rgba(255, 255, 255, 0.28) 42%,
      rgba(245, 240, 232, 0.24) 100%
    );
  border-color: rgba(255, 255, 255, 0.75);
  box-shadow:
    0 8px 12px rgba(28, 26, 23, 0.06),
    0 24px 56px rgba(28, 26, 23, 0.14),
    0 0 0 1px rgba(255, 255, 255, 0.25),
    inset 0 1px 1px rgba(255, 255, 255, 0.95),
    inset 0 -1px 1px rgba(28, 26, 23, 0.05),
    inset 0 0 28px rgba(255, 255, 255, 0.22);

}

.floating-cta__link:active {

  transform: translateY(-1px);
  backdrop-filter: blur(48px) saturate(185%) brightness(1.04);
  -webkit-backdrop-filter: blur(48px) saturate(185%) brightness(1.04);

}

.floating-cta__link:focus-visible {

  outline: none;
  box-shadow:
    0 16px 40px rgba(28, 26, 23, 0.1),
    0 0 0 2px rgba(201, 152, 42, 0.55),
    inset 0 1px 1px rgba(255, 255, 255, 0.85);

}

/* Fallback без backdrop-filter */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {

  .floating-cta__link {
    background: rgba(255, 255, 255, 0.88);
  }

}

.header__cta[hidden],
.header__cta-secondary[hidden] {

  display: none;

}

@media (hover: none) {
  .floating-cta__link:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {

  .floating-cta,
  .floating-cta__link,
  .header__cta-group[data-zone] .header__cta,
  .header__cta-group[data-zone] .header__cta-secondary {
    transition: none;
  }

  .floating-cta--visible {
    transform: none;
  }

}

@media (min-width: 768px) and (max-width: 1199px) {

  .floating-cta__link {
    font-size: 0.8125rem;
  }

}

@media (min-width: 1200px) {

  .floating-cta__link {
    font-size: 0.8125rem;
  }

}