/*
 * Blabee liquid-glass comparison variant.
 * The canonical Quiet Signal page remains flat; this layer is scoped to
 * body.liquid-glass and maps the current macOS PetView surface hierarchy.
 */

.liquid-glass {
  --glass-radius-panel: 30px;
  --glass-radius-section: 20px;
  --glass-radius-row: 18px;
  --glass-radius-key: 8px;
  --glass-rim-width: 0.75px;
  --glass-panel-fill: rgba(8, 9, 11, 0.68);
  --glass-inset: rgba(255, 255, 255, 0.065);
  --glass-inset-emphasized: rgba(255, 255, 255, 0.10);
  --glass-inset-rim: rgba(255, 255, 255, 0.13);
  --glass-accent-rim: rgba(254, 231, 21, 0.32);
  --glass-rim-top: rgba(255, 255, 255, 0.24);
  --glass-rim-middle: rgba(255, 255, 255, 0.08);
  --glass-rim-bottom: rgba(0, 0, 0, 0.34);
  --glass-blur: 28px;
  --glass-saturation: 135%;
  --glass-section-shadow: 0 30px 72px rgba(0, 0, 0, 0.46);
  background: #000000;
}

.liquid-glass .hero,
.liquid-glass .section,
.liquid-glass .signup-section,
.liquid-glass .site-footer {
  position: relative;
  background-color: #000000;
}

/* The copy uses one weak reading pane; the product demo remains the strongest hero surface. */
.liquid-glass .hero-copy {
  position: relative;
  isolation: isolate;
}

.liquid-glass .hero-copy::before {
  position: absolute;
  z-index: -1;
  inset: -34px -28px;
  border: var(--glass-rim-width) solid transparent;
  border-radius: var(--glass-radius-panel);
  pointer-events: none;
  content: "";
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.008) 50%, rgba(8, 9, 11, 0.16) 82%) padding-box,
    linear-gradient(rgba(8, 9, 11, 0.48), rgba(8, 9, 11, 0.48)) padding-box,
    linear-gradient(180deg, var(--glass-rim-top), var(--glass-rim-middle) 48%, var(--glass-rim-bottom)) border-box;
  box-shadow:
    0 20px 48px rgba(0, 0, 0, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.035);
  -webkit-backdrop-filter: blur(18px) saturate(122%);
  backdrop-filter: blur(18px) saturate(122%);
}

/* The sticky header is the only page-level chrome with a soft material. */
.liquid-glass .glass-header {
  border-bottom-color: rgba(255, 255, 255, 0.08);
  background: rgba(8, 9, 11, 0.52);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  backdrop-filter: blur(18px) saturate(125%);
}

.liquid-glass .glass-header.is-scrolled {
  border-bottom-color: rgba(255, 255, 255, 0.13);
  background: rgba(8, 9, 11, 0.72);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturation));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturation));
}

/* Strong material: one blurred outer shell per major page region. */
.liquid-glass .glass-panel,
.liquid-glass .section-benefits .section-grid,
.liquid-glass .section-how > .container,
.liquid-glass .section-beta-scope .section-grid,
.liquid-glass .section-faq .section-grid,
.liquid-glass .signup-grid {
  border: var(--glass-rim-width) solid transparent;
  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.055),
      rgba(255, 255, 255, 0.012) 42%,
      rgba(8, 9, 11, 0.20) 78%
    ) padding-box,
    linear-gradient(var(--glass-panel-fill), var(--glass-panel-fill)) padding-box,
    linear-gradient(
      180deg,
      var(--glass-rim-top),
      var(--glass-rim-middle) 48%,
      var(--glass-rim-bottom)
    ) border-box;
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturation));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturation));
}

.liquid-glass .section-benefits .section-grid,
.liquid-glass .section-how > .container,
.liquid-glass .section-beta-scope .section-grid,
.liquid-glass .section-faq .section-grid,
.liquid-glass .signup-grid {
  border-radius: var(--glass-radius-panel);
  padding: clamp(28px, 3.5vw, 48px);
  box-shadow:
    var(--glass-section-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.045);
}

.liquid-glass .section-beta-scope::before {
  display: none;
}

.liquid-glass .section-beta-scope .section-grid {
  position: relative;
  overflow: clip;
}

.liquid-glass .section-beta-scope .section-grid::before {
  position: absolute;
  top: 34px;
  bottom: 34px;
  left: 0;
  width: 6px;
  border-radius: 0 6px 6px 0;
  background: var(--yellow);
  content: "";
}

.liquid-glass .demo-window.glass-panel {
  overflow: hidden;
  border-radius: var(--glass-radius-panel);
  box-shadow:
    0 28px 64px rgba(0, 0, 0, 0.58),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.liquid-glass .demo-window .window-chrome {
  height: 44px;
  margin: 12px 12px 0;
  border-bottom: 0;
}

.liquid-glass .demo-window .terminal {
  background: transparent;
}

.liquid-glass .decision-panel.glass-panel {
  overflow: hidden;
  border-radius: var(--glass-radius-panel);
  box-shadow:
    0 18px 44px rgba(0, 0, 0, 0.54),
    inset 0 1px 0 rgba(255, 255, 255, 0.035);
}

/* Brand, primary actions, and the 32px decision signal stay opaque. */
.liquid-glass .brand-mark,
.liquid-glass .button-yellow,
.liquid-glass .decision-bar {
  background: var(--yellow);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.liquid-glass .decision-bar {
  position: relative;
  z-index: 2;
}

/* Inset surfaces mirror PetView but never stack another blur. */
.liquid-glass .glass-inset {
  border: var(--glass-rim-width) solid var(--glass-inset-rim);
  background: var(--glass-inset);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.liquid-glass .glass-inset-section {
  border-radius: var(--glass-radius-section);
}

.liquid-glass .glass-inset-row {
  border-radius: var(--glass-radius-row);
}

.liquid-glass .glass-inset-emphasized {
  border-color: var(--glass-accent-rim);
  background: var(--glass-inset-emphasized);
}

.liquid-glass .glass-key {
  border: var(--glass-rim-width) solid var(--glass-inset-rim);
  border-radius: var(--glass-radius-key);
  background: rgba(255, 255, 255, 0.08);
}

.liquid-glass .decision-options {
  gap: 10px;
  padding: 10px;
  transition:
    max-height 280ms ease,
    opacity 180ms ease,
    padding-block 280ms ease;
}

.liquid-glass .product-demo[data-demo-state="working"] .decision-options,
.liquid-glass .product-demo[data-demo-state="completed"] .decision-options {
  padding-block: 0;
}

.liquid-glass .decision-option {
  border-top: var(--glass-rim-width) solid var(--glass-inset-rim);
  transition:
    border-color 130ms ease,
    background-color 130ms ease,
    color 130ms ease,
    transform 130ms ease;
}

.liquid-glass .decision-option:hover,
.liquid-glass .decision-option:focus-visible,
.liquid-glass .decision-option.is-selected,
.liquid-glass .product-demo[data-demo-state="review"] .decision-option[data-choice="2"] {
  border-color: var(--yellow);
  background: var(--yellow);
  color: var(--ink);
  transform: translateY(-1px);
}

.liquid-glass .terminal-detail.glass-inset {
  border-left: 2px solid var(--yellow);
}

/* Secondary glass is weaker; inner controls never stack another blur. */
.liquid-glass .glass-soft {
  border: var(--glass-rim-width) solid var(--glass-inset-rim);
  border-radius: var(--glass-radius-section);
  background: rgba(8, 9, 11, 0.52);
  -webkit-backdrop-filter: blur(14px) saturate(118%);
  backdrop-filter: blur(14px) saturate(118%);
}

.liquid-glass .editorial-list,
.liquid-glass .steps-list,
.liquid-glass .scope-table,
.liquid-glass .faq-list {
  overflow: hidden;
  border: var(--glass-rim-width) solid var(--glass-inset-rim);
  border-radius: var(--glass-radius-section);
  background: rgba(255, 255, 255, 0.026);
}

.liquid-glass .editorial-list,
.liquid-glass .scope-table,
.liquid-glass .faq-list {
  display: grid;
  gap: 0;
  padding: 0;
}

.liquid-glass .editorial-row,
.liquid-glass .steps-list > li,
.liquid-glass .scope-table > div,
.liquid-glass .faq-list details {
  border: 0;
  border-radius: 0;
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.liquid-glass .editorial-row {
  padding: 28px 26px;
  border-bottom: var(--glass-rim-width) solid var(--glass-inset-rim);
  background: rgba(255, 255, 255, 0.018);
}

.liquid-glass .editorial-row:last-child {
  border-bottom: 0;
}

.liquid-glass .steps-list {
  gap: 0;
  padding: 0;
}

.liquid-glass .steps-list > li,
.liquid-glass .steps-list > li + li,
.liquid-glass .steps-list > li:last-child {
  min-height: 315px;
  padding: 28px;
  border-right: var(--glass-rim-width) solid var(--glass-inset-rim);
  background: rgba(255, 255, 255, 0.018);
}

.liquid-glass .steps-list > li:last-child {
  border-right: 0;
}

.liquid-glass .scope-table > div {
  min-height: 96px;
  padding: 18px 22px;
  border-bottom: var(--glass-rim-width) solid var(--glass-inset-rim);
  background: rgba(255, 255, 255, 0.018);
}

.liquid-glass .scope-table > div:last-child {
  border-bottom: 0;
}

.liquid-glass .faq-list details {
  overflow: hidden;
  border-bottom: var(--glass-rim-width) solid var(--glass-inset-rim);
  background: rgba(255, 255, 255, 0.018);
}

.liquid-glass .faq-list details:last-child {
  border-bottom: 0;
}

.liquid-glass .faq-list summary {
  padding-inline: 20px;
}

.liquid-glass .faq-list details > p {
  padding: 0 52px 28px 20px;
}

.liquid-glass .signup-form.glass-soft {
  padding: 32px;
  background: var(--glass-inset);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.liquid-glass .signup-form input[type="email"],
.liquid-glass .form-error,
.liquid-glass .form-success {
  border-color: var(--glass-inset-rim);
  background: var(--glass-inset);
}

.liquid-glass .form-submit {
  background: var(--yellow);
}

.liquid-glass .faq-list details {
  transition:
    border-color 180ms ease,
    background-color 180ms ease;
}

.liquid-glass .faq-list details[open] {
  margin: 0;
  padding: 0;
  background: var(--glass-inset-emphasized);
  box-shadow: inset 3px 0 0 var(--yellow);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.liquid-glass .faq-list summary:focus-visible {
  outline-offset: -4px;
}

.liquid-glass .footer-inner {
  padding: 20px 26px;
  border: var(--glass-rim-width) solid var(--glass-inset-rim);
  border-radius: var(--glass-radius-section);
  background: rgba(8, 9, 11, 0.52);
  box-shadow:
    0 18px 42px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(14px) saturate(118%);
  backdrop-filter: blur(14px) saturate(118%);
}

/* Desktop hero sheets share one row and one visual baseline. */
@media (min-width: 1101px) {
  .liquid-glass .hero-grid {
    align-items: stretch;
  }

  .liquid-glass .hero-copy {
    display: flex;
    align-self: stretch;
    flex-direction: column;
    justify-content: center;
  }

  .liquid-glass .hero-copy::before {
    inset: 0 -28px;
  }

  .liquid-glass .demo-window.glass-panel {
    height: 100%;
  }

  .liquid-glass .product-demo figcaption {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
  }
}

/* Browsers without material support receive an intentional opaque hierarchy. */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .liquid-glass .glass-header,
  .liquid-glass .glass-header.is-scrolled,
  .liquid-glass .hero-copy::before,
  .liquid-glass .glass-panel,
  .liquid-glass .glass-soft,
  .liquid-glass .section-benefits .section-grid,
  .liquid-glass .section-how > .container,
  .liquid-glass .section-beta-scope .section-grid,
  .liquid-glass .section-faq .section-grid,
  .liquid-glass .signup-grid,
  .liquid-glass .footer-inner {
    border-color: var(--glass-inset-rim);
    background: #111216;
  }
}

/* Mirrors macOS Reduce Transparency: no blur, opaque controls, same hierarchy. */
@media (prefers-reduced-transparency: reduce) {
  .liquid-glass .glass-header,
  .liquid-glass .glass-header.is-scrolled,
  .liquid-glass .hero-copy::before,
  .liquid-glass .glass-panel,
  .liquid-glass .glass-soft,
  .liquid-glass .section-benefits .section-grid,
  .liquid-glass .section-how > .container,
  .liquid-glass .section-beta-scope .section-grid,
  .liquid-glass .section-faq .section-grid,
  .liquid-glass .signup-grid,
  .liquid-glass .footer-inner {
    border-color: rgba(243, 239, 228, 0.18);
    background: #111216;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .liquid-glass .glass-inset,
  .liquid-glass .editorial-list,
  .liquid-glass .editorial-row,
  .liquid-glass .steps-list,
  .liquid-glass .steps-list > li,
  .liquid-glass .scope-table,
  .liquid-glass .scope-table > div,
  .liquid-glass .faq-list,
  .liquid-glass .faq-list details,
  .liquid-glass .signup-form input[type="email"],
  .liquid-glass .form-error,
  .liquid-glass .form-success {
    background: #1c1d22;
  }

  .liquid-glass .glass-inset-emphasized {
    border-color: var(--glass-accent-rim);
  }
}

@media (max-width: 900px) {
  .liquid-glass .section-benefits .section-grid,
  .liquid-glass .section-how > .container,
  .liquid-glass .section-beta-scope .section-grid,
  .liquid-glass .section-faq .section-grid,
  .liquid-glass .signup-grid {
    border-radius: 26px;
    padding: 32px;
  }

  .liquid-glass .section-benefits .section-grid,
  .liquid-glass .section-beta-scope .section-grid,
  .liquid-glass .section-faq .section-grid,
  .liquid-glass .signup-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .liquid-glass .section-heading {
    max-width: 650px;
  }

  .liquid-glass .section-heading-wide {
    display: block;
  }

  .liquid-glass .section-heading-wide .section-intro {
    margin-top: 22px;
  }

  .liquid-glass .steps-list {
    grid-template-columns: 1fr;
  }

  .liquid-glass .steps-list > li,
  .liquid-glass .steps-list > li + li,
  .liquid-glass .steps-list > li:last-child {
    min-height: auto;
    border-right: 0;
    border-bottom: var(--glass-rim-width) solid var(--glass-inset-rim);
  }

  .liquid-glass .steps-list > li:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 760px) {
  .liquid-glass .hero-copy::before {
    inset: -20px -10px;
    border-radius: 24px;
  }

  .liquid-glass .section-benefits .section-grid,
  .liquid-glass .section-how > .container,
  .liquid-glass .section-beta-scope .section-grid,
  .liquid-glass .section-faq .section-grid,
  .liquid-glass .signup-grid {
    border-radius: 24px;
    padding: 20px;
  }

  .liquid-glass .demo-window.glass-panel {
    border-radius: 24px;
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.56);
  }

  .liquid-glass .decision-panel.glass-panel {
    border-radius: 24px;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.52);
  }

  .liquid-glass .signup-form.glass-soft {
    padding: 24px;
  }

  .liquid-glass .editorial-row {
    padding: 24px 18px;
  }

  .liquid-glass .steps-list > li,
  .liquid-glass .steps-list > li + li,
  .liquid-glass .steps-list > li:last-child {
    min-height: auto;
    padding: 24px 18px 28px 52px;
  }

  .liquid-glass .steps-list .step-signal {
    top: 58px;
    left: 18px;
  }

  .liquid-glass .scope-table > div {
    padding: 16px;
  }

  .liquid-glass .faq-list summary {
    padding-inline: 16px;
  }

  .liquid-glass .faq-list details > p {
    padding: 0 36px 24px 16px;
  }

  .liquid-glass .footer-inner {
    padding: 18px 20px;
    border-radius: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .liquid-glass .glass-header,
  .liquid-glass .decision-options,
  .liquid-glass .decision-option,
  .liquid-glass .faq-list details {
    transition: none !important;
  }

  .liquid-glass .decision-option:hover,
  .liquid-glass .decision-option:focus-visible,
  .liquid-glass .decision-option.is-selected {
    transform: none;
  }
}