/* =================================================================
   research-section.css — §5 WHITE-LABEL AI RESEARCH
   · 전 클래스 rl- prefix (전역 오염 없음)
   · 반드시 기존 CSS들보다 뒤에 로드 (캐스케이드 사고 방지)
   · 다크 딥그린 섹션: 신규 토큰은 .research-lab 스코프에만 정의
   ================================================================= */

.research-lab {
  --rl-bg: var(--green-ink);      /* §3 stats-section과 동일한 딥그린 */
  --rl-mint: var(--green-500);    /* 다크 위 기존 accent (stat-big-num과 동일) */
  --rl-paper: #FAFBF9;
  --rl-text: #F2F6F3;
  --rl-cover-w: 640px;   /* 표지 설계폭 — JS scale 기준값 */

  position: relative;
  padding: 120px 0;
  background: var(--rl-bg);
  overflow: hidden;
}

/* 희미한 데이터 그리드 (이미지 없음) */
.research-lab::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(color-mix(in srgb, var(--green-500) 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--green-500) 4%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.rl-container { position: relative; max-width: 1240px; }

/* ── [2-1] 섹션 헤드 ─────────────────────────────────────── */
.rl-head { margin-bottom: 64px; }

.research-lab .rl-kicker {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--rl-mint);
}

.research-lab .rl-title { color: var(--rl-text); }

.rl-sub {
  margin-top: 20px;
  font-size: 18px;
  line-height: 1.65;
  color: rgba(242, 246, 243, 0.72);
  word-break: keep-all;
}
.rl-sub2 {
  margin-top: 10px;
  font-size: 14.5px;
  color: rgba(242, 246, 243, 0.55);
  word-break: keep-all;
}

/* ── [2-2 | 2-3] 메인 그리드 ─────────────────────────────── */
/* %가 아니라 fr — 36%/64% + gap 64px는 컨테이너를 넘친다 */
.rl-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.56fr) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

/* ── 에디터 패널 ─────────────────────────────────────────── */
.rl-editor {
  padding: 32px 30px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid color-mix(in srgb, var(--green-500) 14%, transparent);
  border-radius: var(--radius-lg);
}

.rl-editor-label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--rl-mint);
}
.rl-editor-title {
  margin: 8px 0 26px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--rl-text);
}

.rl-field { margin-bottom: 18px; }
.rl-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: rgba(242, 246, 243, 0.78);
}
.rl-field input,
.rl-field select {
  width: 100%;
  padding: 13px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--rl-text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.rl-field input::placeholder { color: rgba(242, 246, 243, 0.35); }
.rl-field input:focus,
.rl-field select:focus {
  border-color: var(--rl-mint);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--green-500) 15%, transparent);
}
.rl-field select { cursor: pointer; }
.rl-field select option { color: var(--ink); background: #fff; }

.rl-editor-hint {
  margin-top: 6px;
  font-size: 12.5px;
  color: rgba(242, 246, 243, 0.5);
}

/* ── 리포트 스테이지 ─────────────────────────────────────── */
.rl-stage { position: relative; }

/* 상태 칩 */
.rl-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--rl-mint);
}
.rl-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--rl-mint);
}
.rl-status.rl-analyzing .rl-status-dot { animation: rl-pulse 0.6s ease-in-out infinite; }
@keyframes rl-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.35; transform: scale(0.7); }
}

/* 엔진 태그 — 스테이지 좌측 세로 (표지 왼쪽 바깥 여백) */
.rl-tags {
  position: absolute;
  left: 0;
  top: 96px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.rl-etag {
  padding: 6px 12px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.92);   /* 그린 텍스트는 다크 위 가독성 부족 */
  background: color-mix(in srgb, var(--green-500) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--green-500) 30%, transparent);
  border-radius: 999px;
  white-space: nowrap;
}
.rl-etag-engine {
  color: var(--rl-bg);
  font-weight: 600;
  background: var(--rl-mint);
  border-color: var(--rl-mint);
}

/* 페이퍼 스택 */
.rl-stack {
  position: relative;
  /* 태그 열 폭(엔진 태그 ~158px) + 여유 간격 + 조각 카드 돌출 폭 확보 */
  padding-left: 176px;
  padding-right: 96px;
}

/* 종이 묶음 래퍼 — 뒤 종이의 높이 기준 (표지 높이에만 고정) */
.rl-paper-wrap { position: relative; }

.rl-sheet {
  position: absolute;
  top: 0;
  bottom: 0;
  border-radius: 4px;
  background: rgba(250, 251, 249, 0.85);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}
/* 뒤 종이는 깊이만 담당 — 콘텐츠 없음 */
.rl-sheet-2 {
  left: 18px;
  right: -18px;
  transform: rotate(0.6deg);
  z-index: 2;
}
.rl-sheet-3 {
  left: 36px;
  right: -36px;
  transform: rotate(1.2deg);
  background: rgba(250, 251, 249, 0.65);
  z-index: 1;
}

/* 조각 카드 래퍼 — 데스크톱은 박스 제거(스택 기준 플로팅) */
.rl-frags { display: contents; }

/* 표지 외곽 — JS가 height/scale 설정 */
.rl-cover-outer {
  position: relative;
  z-index: 3;
  width: 100%;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

/* ── 화이트라벨 표지 (설계폭 640 × 905, A4 비율) ─────────── */
.rl-cover {
  width: 640px;
  height: 905px;
  transform-origin: top left;
  display: flex;
  flex-direction: column;
  background: var(--rl-paper);
  color: var(--ink);
  overflow: hidden;
}

.rl-cv-bar {
  height: 10px;
  background: var(--green-ink);
  flex-shrink: 0;
}
.rl-cv-bar span {
  display: block;
  width: 30%;
  height: 100%;
  background: var(--green-500);
}

.rl-cv-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 44px 52px 0;
}
.rl-cv-advisory {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--green-700);
}
.rl-cv-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 9px;
  font-size: 21px;
  letter-spacing: -0.02em;
  color: var(--green-ink);
}
.rl-cv-logodot {
  width: 15px;
  height: 15px;
  border-radius: 4px;
  background: var(--green-ink);
  position: relative;
  flex-shrink: 0;
}
.rl-cv-logodot::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 2px;
  background: var(--green-500);
}
.rl-cv-tagline {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--muted);
}
.rl-cv-meta {
  text-align: right;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  line-height: 1.9;
  color: var(--muted);
}
.rl-cv-meta-issue {
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--green-ink);
}
/* 샘플 성격 표시 — 몇 달 뒤에도 W33 표기가 어색하지 않도록 */
.rl-cv-sample {
  display: inline-block;
  padding: 3px 9px;
  margin-bottom: 5px;
  font-size: 9px;
  letter-spacing: 0.1em;
  line-height: 1.4;
  color: var(--green-700);
  border: 1px solid var(--green-600);
  border-radius: 999px;
}

.rl-cv-rule {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 52px 52px 0;
  padding-top: 0;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--green-700);
}
.rl-cv-rule span {
  width: 34px;
  height: 3px;
  background: var(--green-600);
}

.rl-cv-title {
  margin: 20px 52px 0;
  font-size: 58px;
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--green-600);
}
.rl-cv-title em {
  font-style: normal;
  font-weight: 700;
  color: var(--green-ink);
}

.rl-cv-no {
  display: flex;
  align-items: center;
  gap: 26px;
  margin: 26px 52px 0;
  padding-bottom: 22px;
  border-bottom: 2px solid var(--green-ink);
}
.rl-cv-no-big {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.rl-cv-no-col {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--green-800);
}
.rl-cv-no-col em {
  font-style: normal;
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--muted-2);
}

.rl-cv-intro {
  margin: 26px 52px 0;
  padding: 16px 20px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--green-50);
  border-left: 3px solid var(--green-600);
  word-break: keep-all;
}

.rl-cv-prepared {
  margin: auto 52px 0;   /* 남는 공간을 위로 밀어 하단 정렬 */
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.rl-cv-prep-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--green-800);
}
.rl-cv-badge {
  padding: 4px 10px;
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--green-ink);
  border: 1px solid var(--green-ink);
  border-radius: 999px;
}
.rl-cv-prepared dl { margin: 0; }
.rl-cv-prepared dl div {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 7px 0;
  border-bottom: 1px dotted var(--line);
}
.rl-cv-prepared dt {
  flex-shrink: 0;
  width: 108px;
  font-size: 11.5px;
  color: var(--muted-2);
}
.rl-cv-prepared dd {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.rl-cv-foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin: 22px 52px 30px;
  flex-shrink: 0;
}
.rl-cv-legal {
  font-size: 9.5px;
  line-height: 1.6;
  color: var(--muted-2);
  max-width: 380px;
  word-break: keep-all;
}
.rl-cv-powered {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--muted-2);
}
.rl-cv-powered .rl-cv-logodot { width: 11px; height: 11px; }
.rl-cv-powered .rl-cv-logodot::after { inset: 3px; }
.rl-cv-powered em {
  font-style: normal;
  font-weight: 600;
  color: var(--green-800);
}

/* ── 플로팅 조각 카드 ────────────────────────────────────── */
.rl-frag {
  position: absolute;
  z-index: 5;
  padding: 16px 18px;
  background: var(--rl-paper);
  border: 1px solid color-mix(in srgb, var(--green-500) 35%, transparent);
  border-radius: var(--radius);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.rl-frag-deals { top: 52px; right: 0; width: 236px; }
.rl-frag-temp  { bottom: 64px; right: 12px; width: 256px; }

.rl-frag-head {
  margin-bottom: 12px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--green-800);
  white-space: nowrap;
}
.rl-frag-head::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 2px;
  margin-right: 8px;
  vertical-align: 3px;
  background: var(--green-600);
}
.rl-frag-head2 { margin-top: 14px; }

.rl-frag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 0;
}
.rl-frag-tag {
  flex-shrink: 0;
  padding: 3px 8px;
  font-size: 10.5px;
  font-weight: 600;
  border-radius: 4px;
}
.rl-ftag-high { color: var(--danger); background: var(--danger-soft); }
.rl-ftag-low  { color: #1B5FAA; background: #E8F0FA; }
.rl-frag-num {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  white-space: nowrap;
}
.rl-frag-src {
  margin-top: 8px;
  font-size: 9.5px;
  color: var(--muted-2);
}

/* 게이지 */
.rl-gauge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
}
.rl-gauge-label {
  flex-shrink: 0;
  width: 28px;
  font-size: 11.5px;
  color: var(--muted);
}
.rl-gauge-bar {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}
.rl-gauge-bar i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--green-600);
  transition: width 0.45s var(--ease);
}
.rl-gauge-num {
  flex-shrink: 0;
  width: 24px;
  text-align: right;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink);
}

/* 협상력 */
.rl-power {
  display: flex;
  align-items: center;
  gap: 10px;
}
.rl-power-side {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--muted);
}
.rl-power-side strong {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  color: var(--ink);
}
.rl-power-bar {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: var(--danger-soft);
  overflow: hidden;
}
.rl-power-bar i {
  display: block;
  height: 100%;
  border-radius: 999px 0 0 999px;
  background: var(--green-600);
  transition: width 0.45s var(--ease);
}

/* 지역 변경 중 수치 디밍 */
.rl-stage.rl-analyzing .rl-frag-num,
.rl-stage.rl-analyzing .rl-gauge-num,
.rl-stage.rl-analyzing .rl-power-side strong,
.rl-stage.rl-analyzing .rl-cv-title {
  opacity: 0.25;
  transition: opacity 0.2s var(--ease);
}
.rl-stage .rl-frag-num,
.rl-stage .rl-gauge-num,
.rl-stage .rl-power-side strong,
.rl-stage .rl-cv-title {
  transition: opacity 0.25s var(--ease);
}

/* ── [2-4] 페이지 인디케이터 ─────────────────────────────── */
.rl-pagenav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 28px;
  padding-left: 158px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
}
.rl-page { color: rgba(242, 246, 243, 0.35); }
.rl-page em,
.rl-page i { font-style: normal; }
.rl-page em { margin-right: 6px; }
.rl-page-on {
  color: var(--rl-mint);
  padding-bottom: 4px;
  border-bottom: 2px solid var(--rl-mint);
}
.rl-pagenote {
  margin-left: auto;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: rgba(242, 246, 243, 0.35);
}

/* ── [2-5] 센터 카피 ─────────────────────────────────────── */
.rl-claim {
  margin-top: 88px;
  text-align: center;
}
.rl-claim-main {
  font-size: clamp(26px, 2.2vw, 34px);
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--rl-text);
  word-break: keep-all;
}
.rl-claim-main em {
  font-style: normal;
  color: var(--rl-mint);
}
.rl-claim-sub {
  margin-top: 16px;
  font-size: 16px;
  color: rgba(242, 246, 243, 0.6);
  word-break: keep-all;
}

/* ── [2-6] CTA ───────────────────────────────────────────── */
.rl-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
}
.rl-btn-main {
  display: inline-block;
  padding: 16px 34px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff;
  background: var(--rl-mint);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.rl-btn-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--green-500) 25%, transparent);
}
.rl-btn-sub {
  font-size: 14px;
  color: rgba(242, 246, 243, 0.6);
  text-decoration: none;
}
.rl-btn-sub:hover { color: var(--rl-mint); }

/* ── 스크롤 진입 스태거 (기존 .reveal.in 시스템에 연동) ──── */
.rl-stage .rl-frag,
.rl-stage .rl-etag {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.rl-stage.in .rl-frag,
.rl-stage.in .rl-etag {
  opacity: 1;
  transform: translateY(0);
}
.rl-stage.in .rl-frag-deals { transition-delay: 0.25s; }
.rl-stage.in .rl-frag-temp  { transition-delay: 0.38s; }
.rl-stage.in .rl-etag:nth-child(1) { transition-delay: 0.45s; }
.rl-stage.in .rl-etag:nth-child(2) { transition-delay: 0.53s; }
.rl-stage.in .rl-etag:nth-child(3) { transition-delay: 0.61s; }
.rl-stage.in .rl-etag:nth-child(4) { transition-delay: 0.69s; }
.rl-stage.in .rl-etag:nth-child(5) { transition-delay: 0.77s; }

/* ── 태블릿 (1200px 이하) — 태그 열이 표지를 침범하기 시작 ── */
@media (max-width: 1200px) {
  .rl-grid { gap: 44px; }
  .rl-stack { padding-left: 0; padding-right: 84px; }
  .rl-pagenav { padding-left: 0; }

  /* 태그: 세로 플로팅 → 스테이지 상단 가로 랩 */
  .rl-tags {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    margin-bottom: 16px;
  }
}

/* ── 모바일 (820px 이하) ─────────────────────────────────── */
@media (max-width: 820px) {
  .research-lab { padding: 68px 0; }
  .research-lab::before { background-size: 44px 44px; }
  .rl-head { margin-bottom: 36px; }
  .rl-sub { font-size: 15.5px; }
  .rl-sub2 { font-size: 13px; }

  .rl-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .rl-editor { padding: 24px 20px; }
  .rl-editor-title { margin-bottom: 20px; font-size: 19px; }

  .rl-stack { padding-right: 0; }

  /* 종이 스택: 화면 꽉 채우지 않고 중앙 부양 —
     딥그린 여백 안에 실물 리포트가 떠 있는 구도.
     JS는 .rl-cover-outer(width:100%)의 실폭을 읽으므로
     부모 폭 제한만으로 scale이 자연스럽게 줄어든다 */
  .rl-paper-wrap {
    width: min(82vw, 320px);
    margin-left: auto;
    margin-right: auto;
  }
  .rl-sheet-2 { left: 8px; right: -8px; transform: rotate(0.4deg); }
  .rl-sheet-3 { left: 16px; right: -16px; transform: rotate(0.8deg); }

  /* 조각 카드: 플로팅 → 표지 아래 가로 2열 착지 */
  .rl-frags {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 14px;
  }
  .rl-frag {
    position: static;
    width: auto;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  }
  .rl-frag-num { font-size: 13.5px; }
  .rl-frag-deals, .rl-frag-temp { padding: 13px 14px; }

  /* 태그: 파이프라인 4개 숨김, AI RESEARCH ENGINE만 유지
     (모바일은 표지 아래 조각 카드가 이미 'AI가 한 일'을 보여줌) */
  .rl-etag { display: none; }
  .rl-etag-engine { display: inline-block; }

  /* 인디케이터: 줄바꿈 사고 방지 — 5열 grid (시스템 UI 톤) */
  .rl-pagenav {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
    row-gap: 12px;
    margin-top: 20px;
  }
  .rl-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }
  .rl-page em { margin-right: 0; font-size: 12px; }
  .rl-page i { font-size: 8.5px; letter-spacing: 0.06em; }
  .rl-page-on { padding-bottom: 0; border-bottom: 0; }
  .rl-page-on em { border-bottom: 2px solid var(--rl-mint); padding-bottom: 2px; }
  .rl-pagenote {
    grid-column: 1 / -1;
    margin-left: 0;
    text-align: center;
  }

  .rl-claim { margin-top: 52px; }
  .rl-claim-main { font-size: clamp(18px, 5vw, 24px); }
  .rl-claim-sub { font-size: 14px; }

  .rl-cta { margin-top: 28px; }
  .rl-btn-main {
    width: 100%;
    max-width: 360px;
    text-align: center;
    padding: 15px 20px;
  }
}

/* 초소형 화면 — 조각 카드 1열 (2열에서는 금액이 넘침)
   + 표지와 같은 폭 체계로 중앙 정렬 (세로 제품 프리뷰 한 덩어리) */
@media (max-width: 480px) {
  .rl-frags {
    grid-template-columns: minmax(0, 1fr);
    width: min(82vw, 320px);
    margin-left: auto;
    margin-right: auto;
  }
}

/* ── 모션 최소화 ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .research-lab * {
    transition: none !important;
    animation: none !important;
  }
  .rl-stage .rl-frag,
  .rl-stage .rl-etag {
    opacity: 1;
    transform: none;
  }
}