/*
┌─────────────────────────────────────────────────────────────────────────┐
│  DESIGNER QUICK BOX — Webflow (CSS-only · 코드 근거만)                  │
└─────────────────────────────────────────────────────────────────────────┘

1) Container Attribute (from CSS selector)
┌──────────────────────────────────────┐
│ Name:  data-satz                    │
│ Value: ui-accordion                 │
└──────────────────────────────────────┘

2) Recognized Options (CSS selectors · optional)
   ※ CSS가 실제로 참조하는 [data-satz-*] 속성만 나열 (기본값 표기 생략).

┌─────────────────────────────────────────────────────────────────────────┐
│ data-satz-state                                                         │
└─────────────────────────────────────────────────────────────────────────┘

3) Style Panel 체크(필수 3 · 레이아웃 안정화)
• Layout → Overflow: Visible (패널 콘텐츠 애니메이션)
• Typography → Focus outline 유지(트리거)
• Layout → Gap/Radius 변수는 CSS 커스텀 프로퍼티로 조정

※ 이 블록의 정본 옵션/기본값은 index.js 주석(Designer Quick Box)을 참조하세요.
*/

[data-satz="ui-accordion"] {
  --acc-dur: 0.36s;
  --acc-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --acc-radius: 0;
  --acc-gap: clamp(16px, 2.8vw, 28px);
  --acc-border: 1px solid hsl(210 6% 24%);
  --acc-bg: hsl(225 12% 12%);
  --acc-surface: hsl(222 16% 8%);
  --acc-surface-alt: hsl(222 18% 12%);
  --acc-text: hsl(210 20% 95%);
  --acc-muted: hsl(215 14% 72%);
  --acc-focus: hsl(18 92% 58%);
  --acc-icon-rot: 90deg;
  /* or 135deg */
  --acc-shadow: 0 24px 48px -32px hsl(210 50% 2% / 0.6);
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--acc-gap);
  padding: clamp(36px, 6vw, 96px);
  background: var(--acc-surface);
  color: var(--acc-text);
  border-radius: 0;
  box-shadow: inset 0 1px 0 hsl(0 0% 100% / 0.04);
  isolation: isolate;
  contain: layout paint;
}

html.satz-pending [data-satz="ui-accordion"] {
  opacity: 0;
  visibility: hidden;
}

html.satz-ready [data-satz="ui-accordion"],
[data-satz="ui-accordion"][data-satz-state="ready"],
[data-satz="ui-accordion"][data-satz-state="static"] {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

[data-satz="ui-accordion"] .acc-item {
  position: relative;
  background: var(--acc-surface-alt);
  border-radius: var(--acc-radius);
  border: var(--acc-border);
  padding: 0;
  overflow: hidden;
  transition: border-color var(--acc-dur) var(--acc-ease),
    background-color var(--acc-dur) var(--acc-ease),
    box-shadow var(--acc-dur) var(--acc-ease);
}

[data-satz="ui-accordion"] .acc-item::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg,
      hsl(18 85% 52% / 0.08),
      hsl(210 92% 62% / 0.04));
  opacity: 0;
  transition: opacity var(--acc-dur) var(--acc-ease);
  pointer-events: none;
}

[data-satz="ui-accordion"] .acc-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 3vw, 32px);
  padding: clamp(22px, 3.2vw, 32px) clamp(24px, 3.6vw, 40px);
  background: transparent;
  border: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  position: relative;
  transition: color var(--acc-dur) var(--acc-ease),
    transform var(--acc-dur) var(--acc-ease);
}

[data-satz="ui-accordion"] .acc-trigger::after {
  content: "";
  position: absolute;
  left: clamp(24px, 3.6vw, 40px);
  right: clamp(68px, 9vw, 120px);
  bottom: clamp(16px, 2vw, 22px);
  height: 2px;
  background: currentColor;
  opacity: 0;
  transform: scaleX(0.4);
  transform-origin: left center;
  transition: opacity var(--acc-dur) var(--acc-ease),
    transform var(--acc-dur) var(--acc-ease);
}

[data-satz="ui-accordion"] .acc-trigger span {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
}

[data-satz="ui-accordion"] .acc-trigger .acc-subtitle {
  color: var(--acc-muted);
  font-size: 0.875em;
}

[data-satz="ui-accordion"] .acc-trigger:focus-visible {
  outline: 2px solid var(--acc-focus);
  outline-offset: 4px;
}

[data-satz="ui-accordion"] .acc-trigger:hover,
[data-satz="ui-accordion"] .acc-trigger:focus-visible {
  transform: translateY(-2px);
}

[data-satz="ui-accordion"] .acc-trigger:hover::after,
[data-satz="ui-accordion"] .acc-trigger:focus-visible::after {
  opacity: 0.24;
  transform: scaleX(1);
}

[data-satz="ui-accordion"] .acc-icon {
  flex: 0 0 auto;
  width: clamp(28px, 4vw, 38px);
  height: clamp(28px, 4vw, 38px);
  display: grid;
  place-items: center;
  color: inherit;
  position: relative;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: transform var(--acc-dur) var(--acc-ease);
  transform: rotate(0deg);
}

[data-satz="ui-accordion"] .acc-icon::before,
[data-satz="ui-accordion"] .acc-icon::after {
  content: "";
  width: 50%;
  height: 2px;
  background: currentColor;
  position: absolute;
  border-radius: 999px;
  transition: opacity var(--acc-dur) var(--acc-ease);
}

[data-satz="ui-accordion"] .acc-icon::after {
  transform: rotate(90deg);
}

[data-satz="ui-accordion"] .acc-panel {
  overflow: hidden;
  transition: height var(--acc-dur) var(--acc-ease);
}

[data-satz="ui-accordion"] .acc-panel-inner {
  padding: 0 clamp(24px, 3.6vw, 40px) clamp(28px, 3.4vw, 44px);
  color: var(--acc-muted);
  font-size: clamp(0.95rem, 1vw + 0.8rem, 1.1rem);
  line-height: 1.6;
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--acc-dur) var(--acc-ease),
    transform var(--acc-dur) var(--acc-ease),
    padding-top var(--acc-dur) var(--acc-ease);
}

[data-satz="ui-accordion"] .acc-panel-inner>*:first-child {
  margin-top: 0;
}

[data-satz="ui-accordion"] .acc-panel-inner>*:last-child {
  margin-bottom: 0;
}

[data-satz="ui-accordion"] .acc-item.is-open {
  background: var(--acc-bg);
  border-color: hsl(210 16% 64% / 0.35);
  box-shadow: var(--acc-shadow);
}

[data-satz="ui-accordion"] .acc-item.is-open::before {
  opacity: 1;
}

[data-satz="ui-accordion"] .acc-item.is-open .acc-icon {
  transform: rotate(var(--acc-icon-rot));
  border: 0;
  background: transparent;
}

[data-satz="ui-accordion"][data-acc-ready="true"] .acc-item:not(.is-open) .acc-icon::after {
  opacity: 0;
}

[data-satz="ui-accordion"][data-acc-ready="true"] .acc-item:not(.is-open) .acc-panel-inner {
  opacity: 0;
  transform: translateY(-6px);
  padding-top: clamp(10px, 1.4vw, 18px);
}

[data-satz="ui-accordion"][data-acc-ready="true"] .acc-item.is-open .acc-panel-inner {
  opacity: 1;
  transform: translateY(0);
  padding-top: clamp(16px, 2vw, 22px);
}

[data-satz="ui-accordion"] .acc-panel-inner a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: hsl(18 90% 60% / 0.4);
  text-decoration-thickness: 2px;
  transition: text-decoration-color var(--acc-dur) var(--acc-ease);
}

[data-satz="ui-accordion"] .acc-panel-inner a:hover {
  text-decoration-color: hsl(18 90% 60% / 0.8);
}

[data-satz="ui-accordion"] .acc-panel-inner ul,
[data-satz="ui-accordion"] .acc-panel-inner ol {
  padding-left: 1.2em;
}

[data-satz="ui-accordion"][data-acc-tone="light"] {
  --acc-surface: hsl(0 0% 100%);
  --acc-surface-alt: hsl(210 20% 98%);
  --acc-bg: hsl(210 28% 96%);
  --acc-border: 1px solid hsl(210 20% 88%);
  --acc-text: hsl(213 30% 16%);
  --acc-muted: hsl(213 18% 34%);
  --acc-focus: hsl(210 100% 60%);
  --acc-shadow: 0 24px 48px -28px hsl(210 40% 30% / 0.25);
}

[data-satz="ui-accordion"][data-acc-tone="light"] .acc-panel-inner a {
  text-decoration-color: hsl(210 90% 50% / 0.4);
}

[data-satz="ui-accordion"][data-acc-tone="light"] .acc-item.is-open {
  border-color: hsl(210 60% 72% / 0.4);
}

@media (max-width: 720px) {
  [data-satz="ui-accordion"] {
    padding: clamp(24px, 8vw, 56px);
  }
}

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

  [data-satz="ui-accordion"] *,
  [data-satz="ui-accordion"] *::before,
  [data-satz="ui-accordion"] *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    transform: none !important;
  }
}