/* ==========================================================================
   이공과학 — "아이의 실험 노트" 컨셉
   밝은 모눈종이 + 스티커 카드 + 형광펜 하이라이트 + 볼드 타이포
   ========================================================================== */

:root {
  --paper: #faf7ef;
  --paper-tint: #f3efe2;
  --grid-line: rgba(37, 62, 120, 0.07);
  --ink: #17213c;
  --ink-soft: #4a5474;
  --ink-faint: #626b89; /* 작은 글씨에서도 명도 대비 4.5:1 이상 확보 */
  --blue: #2f5df5;
  --blue-soft: #dbe4ff;
  --yellow: #ffd233;
  --yellow-soft: #fff3c4;
  --red: #ff5a3c;
  --red-soft: #ffe0d8;
  --mint: #26c2a3;
  --mint-soft: #d6f5ec;
  --card: #ffffff;
  --shadow: 0 2px 0 rgba(23, 33, 60, 0.9);
  --shadow-pop: 5px 7px 0 rgba(23, 33, 60, 0.12);
  --border: 2px solid var(--ink);
  --radius: 18px;
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  /* 손글씨는 장식 요소 전용 — 본문에 쓰지 말 것 */
  --font-hand: "Nanum Pen Script", "Malgun Gothic", cursive;
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

/* 고정 헤더에 앵커 목적지가 가려지지 않도록 */
[id] { scroll-margin-top: 96px; }

/* iOS 사파리는 body만의 overflow-x 클리핑을 무시해 화면 밖 요소(모바일 메뉴, 마퀴)
   때문에 핀치 줌아웃·좌우 유격이 생김 → 루트에 clip (미지원 브라우저는 무시하므로 안전) */
html { overflow-x: clip; }

body {
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  letter-spacing: -0.01em;
  /* 한글이 단어 중간에서 끊기지 않게 어절 단위로만 줄바꿈 (긴 URL 등은 break-word가 안전망) */
  word-break: keep-all;
  overflow-wrap: break-word;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--yellow); color: var(--ink); }

a { color: inherit; text-decoration: none; }
svg { display: block; }

/* ---------- 접근성 ---------- */
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 10px;
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 모눈종이 배경 ---------- */
.paper-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
}

main, .site-header, .site-footer, .mobile-sticky-cta, .marquee {
  position: relative;
  z-index: 1;
}

/* ---------- 스크롤 비커 ---------- */
.beaker {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  width: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.beaker svg { width: 44px; height: 56px; overflow: visible; }
.beaker-glass {
  fill: rgba(255, 255, 255, 0.55);
  stroke: var(--ink);
  stroke-width: 2.4;
  stroke-linejoin: round;
}
.beaker-lip { stroke: var(--ink); stroke-width: 2.4; stroke-linecap: round; }
.beaker-liquid {
  fill: var(--blue);
  transition: y 0.2s linear;
}
.beaker-bubble {
  fill: rgba(255, 255, 255, 0.85);
  opacity: 0;
}
.beaker.is-active .beaker-bubble { animation: bubble-up 1.8s ease-in infinite; }
.beaker.is-active .b2 { animation-delay: 0.5s; }
.beaker.is-active .b3 { animation-delay: 1s; }
@keyframes bubble-up {
  0% { opacity: 0; transform: translateY(0); }
  15% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-26px); }
}
.beaker-label {
  font-size: 10px;
  font-weight: 800;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

/* ---------- 헤더 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(20px, 5vw, 52px);
  transition: transform 0.4s var(--ease-out), background 0.3s, box-shadow 0.3s;
}
/* 블러 배경은 반드시 가상요소로 — 헤더 자신에 backdrop-filter를 주면
   fixed인 모바일 메뉴(.site-nav)의 기준이 뷰포트가 아니라 헤더 상자로 바뀌어
   패널이 헤더 높이로 쪼그라드는 치명 버그가 생긴다 (transform도 동일) */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(250, 247, 239, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity 0.3s;
}
.site-header.is-scrolled::before { opacity: 1; }
.site-header.is-scrolled { box-shadow: 0 2px 0 rgba(23, 33, 60, 0.08); }
.site-header.is-hidden { transform: translateY(-110%); }

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--yellow);
  border: var(--border);
  box-shadow: var(--shadow);
}
.brand-mark svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linejoin: round;
}
.brand-text {
  display: flex;
  flex-direction: column;
  font-weight: 800;
  font-size: 17px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.brand-text small { font-size: 11px; font-weight: 600; color: var(--ink-faint); }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  font-size: 14.5px;
  font-weight: 700;
}
.site-nav a[data-nav] {
  position: relative;
  color: var(--ink-soft);
  padding: 6px 2px;
  transition: color 0.2s;
}
.site-nav a[data-nav]::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 6px;
  z-index: -1;
  background: var(--yellow);
  border-radius: 3px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}
.site-nav a[data-nav]:hover, .site-nav a[data-nav].is-active { color: var(--ink); }
.site-nav a[data-nav]:hover::after, .site-nav a[data-nav].is-active::after { transform: scaleX(1); }

.nav-cta {
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  border: var(--border);
  box-shadow: 3px 4px 0 rgba(23, 33, 60, 0.22);
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s;
}
.nav-cta:hover { transform: translate(-1px, -2px); box-shadow: 5px 7px 0 rgba(23, 33, 60, 0.22); }

.nav-toggle {
  display: none;
  /* 열린 메뉴 패널(z-index 49)보다 위 — 아니면 X(닫기) 버튼이 패널에 덮여 못 누른다 */
  position: relative;
  z-index: 51;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--card);
  border: var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2.4px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.4px) rotate(-45deg); }

/* ---------- 히어로 ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 130px clamp(20px, 6vw, 64px) 90px;
  overflow: hidden;
}

.hero-inner { position: relative; z-index: 2; max-width: 860px; }

/* 히어로 뒤 은은한 형광펜 빛 번짐 */
.hero::before {
  content: "";
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: min(780px, 92vw);
  height: 440px;
  z-index: 0;
  background: radial-gradient(closest-side, rgba(255, 210, 51, 0.2), transparent 72%);
  pointer-events: none;
}

/* 순차 팝 등장 */
[data-pop] {
  opacity: 0;
  transform: translateY(24px) scale(0.96);
  animation: pop-in 0.7s var(--ease-spring) forwards;
}
[data-pop]:nth-of-type(1), .hero-sticker[data-pop] { animation-delay: 0.1s; }
.hero h1 .hero-row:nth-child(1) { animation-delay: 0.25s; }
.hero h1 .hero-row:nth-child(2) { animation-delay: 0.4s; }
.hero-copy[data-pop] { animation-delay: 0.6s; }
.hero-actions[data-pop] { animation-delay: 0.75s; }
.hero-hint[data-pop] { animation-delay: 1s; }
@keyframes pop-in {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.hero-sticker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 800;
  background: var(--card);
  border: var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-pop);
  transform-origin: center;
  rotate: -1deg;
  margin-bottom: 34px;
}
.hero-sticker svg {
  width: 16px;
  height: 16px;
  fill: var(--yellow);
  stroke: var(--ink);
  stroke-width: 1.4;
  stroke-linejoin: round;
}

.hero h1 {
  font-size: clamp(38px, 8vw, 86px);
  font-weight: 900;
  line-height: 1.13;
  letter-spacing: -0.045em;
  margin-bottom: 28px;
}
.hero-row { display: block; }
.hero-row-flip {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.14em;
}

/* 단어 플립 박스 */
.flip-box {
  position: relative;
  display: inline-grid;
  padding: 0.02em 0.18em;
  background: var(--yellow);
  border: var(--border);
  border-radius: 0.16em;
  box-shadow: 0.06em 0.08em 0 rgba(23, 33, 60, 0.9);
  rotate: -1deg;
  overflow: hidden;
}
.flip-word {
  grid-area: 1 / 1;
  display: block;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(105%);
  transition: transform 0.55s var(--ease-spring), opacity 0.3s;
}
.flip-word.is-current { opacity: 1; transform: translateY(0); }
.flip-word.is-leaving { opacity: 0; transform: translateY(-105%); }

.hero-copy {
  font-size: clamp(16px, 2.2vw, 21px);
  font-weight: 500;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-bottom: 38px;
}

/* 형광펜 하이라이트 */
.marker {
  background: linear-gradient(transparent 55%, var(--yellow) 55% 92%, transparent 92%);
  font-weight: 800;
  color: var(--ink);
  padding: 0 0.08em;
  /* 하이라이트 구절이 줄바꿈으로 쪼개지지 않게 한 덩어리로 유지
     — 좁은 화면에서 넘칠 수 있으니 한 호흡(3~4어절)보다 긴 구절엔 쓰지 말 것 */
  white-space: nowrap;
}
.marker-mint { background: linear-gradient(transparent 55%, var(--mint-soft) 55% 92%, transparent 92%); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-hand);
  font-size: 19px;
  font-weight: 400;
  color: var(--ink-faint);
}
.hero-hint svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: hint-bounce 1.6s ease-in-out infinite;
}
@keyframes hint-bounce {
  0%, 100% { transform: translateY(-2px); }
  50% { transform: translateY(3px); }
}

/* ---------- 낙서 도형들 ---------- */
.doodles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.doodle {
  position: absolute;
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.5;
  transition: transform 0.25s ease-out;
  will-change: transform;
}
.doodle .fill { fill: var(--red); stroke: none; }
.doodle .fill-soft { fill: var(--yellow); }

/* 일부 낙서는 스티커처럼: 흰 원판 + 잉크 테두리 + 오프셋 그림자, 색 채움 */
.doodle.is-sticker {
  padding: clamp(8px, 1.1vw, 13px);
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: 50%;
  box-shadow: 4px 6px 0 rgba(23, 33, 60, 0.16);
  opacity: 1;
}
.d-flask.is-sticker path:first-of-type { fill: var(--blue-soft); }
.d-planet.is-sticker circle { fill: var(--mint-soft); }
/* d-flask/d-planet은 float-b 애니메이션이 rotate를 소유하므로 고정 회전은 bolt에만 */
.d-bolt.is-sticker { rotate: -5deg; }
.d-atom { top: 16%; left: 7%; width: clamp(44px, 6vw, 80px); height: auto; animation: float-a 7s ease-in-out infinite; }
.d-flask { top: 62%; left: 12%; width: clamp(40px, 5vw, 68px); height: auto; animation: float-b 8s ease-in-out infinite; }
.d-magnet { top: 20%; right: 9%; width: clamp(42px, 5.5vw, 72px); height: auto; animation: float-a 9s ease-in-out infinite reverse; }
.d-planet { top: 66%; right: 8%; width: clamp(46px, 6vw, 84px); height: auto; animation: float-b 7.5s ease-in-out infinite reverse; }
.d-bolt { top: 42%; right: 20%; width: clamp(26px, 3vw, 40px); height: auto; animation: float-a 6s ease-in-out infinite; }
.d-formula {
  font-weight: 800;
  font-size: clamp(15px, 2vw, 22px);
  color: var(--blue);
  opacity: 0.55;
}
.f1 { top: 36%; left: 16%; rotate: -8deg; animation: float-b 8s ease-in-out infinite; }
.f2 { top: 78%; right: 24%; rotate: 6deg; animation: float-a 9s ease-in-out infinite; }
.f3 { top: 12%; left: 38%; rotate: 10deg; color: var(--red); animation: float-b 6.5s ease-in-out infinite; }

@keyframes float-a {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -14px; }
}
@keyframes float-b {
  0%, 100% { translate: 0 0; rotate: 0deg; }
  50% { translate: 0 12px; rotate: 3deg; }
}

/* ---------- 버튼 ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: var(--border);
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s;
}
.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.button:hover { transform: translate(-1px, -3px); }
.button:active { transform: translate(1px, 1px); }

.button-ink {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 4px 5px 0 rgba(23, 33, 60, 0.22);
}
.button-ink:hover { box-shadow: 6px 8px 0 rgba(23, 33, 60, 0.22); }
.button-line {
  background: var(--card);
  color: var(--ink);
  box-shadow: 4px 5px 0 rgba(23, 33, 60, 0.14);
}
.button-line:hover { box-shadow: 6px 8px 0 rgba(23, 33, 60, 0.14); background: var(--blue-soft); }
.button-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 4px 5px 0 rgba(23, 33, 60, 0.22);
}
.button-primary:hover { box-shadow: 6px 8px 0 rgba(23, 33, 60, 0.22); }
.button-paper {
  background: var(--yellow);
  color: var(--ink);
  box-shadow: 4px 5px 0 rgba(0, 0, 0, 0.3);
}
.button-paper-line {
  background: transparent;
  color: var(--paper);
  border-color: var(--paper);
  box-shadow: 4px 5px 0 rgba(0, 0, 0, 0.3);
}
.button-paper-line:hover { background: rgba(255, 255, 255, 0.12); }

/* ---------- 마퀴 ---------- */
.marquee {
  overflow: hidden;
  border-top: var(--border);
  border-bottom: var(--border);
  /* 원색 노랑(--yellow)은 히어로 직후에 너무 튀어서 테이프 라벨과 같은 연한 톤으로 */
  background: var(--yellow-soft);
  padding: 14px 0;
  rotate: -0.4deg;
  scale: 1.02 1;
}
.marquee-track {
  display: flex;
  gap: 34px;
  width: max-content;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
  animation: marquee 22s linear infinite;
}
.marquee-track i { font-style: normal; }
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- 공통 섹션 ----------
   [content-limiter] 유동 화면 안에서 본문 폭을 제한해 가독성 유지 */
.section {
  max-inline-size: 1100px;
  margin-inline: auto;
  padding: clamp(72px, 10vw, 130px) clamp(20px, 5vw, 52px);
}
.section-tint { position: relative; }
/* 노트에서 찢어낸 페이지처럼 위아래 가장자리를 불규칙하게 */
.section-tint::before {
  content: "";
  position: absolute;
  inset: -14px -100vw;
  z-index: -1;
  background: var(--paper-tint);
  clip-path: polygon(
    0 12px, 3% 4px, 7% 15px, 11% 2px, 16% 11px, 21% 0, 26% 13px, 31% 5px,
    36% 16px, 41% 3px, 46% 12px, 51% 1px, 56% 14px, 61% 6px, 66% 16px,
    71% 2px, 76% 10px, 81% 0, 86% 13px, 91% 5px, 96% 15px, 100% 4px,
    100% calc(100% - 10px), 96% calc(100% - 2px), 91% calc(100% - 15px),
    86% calc(100% - 4px), 81% calc(100% - 12px), 76% 100%,
    71% calc(100% - 11px), 66% calc(100% - 3px), 61% calc(100% - 16px),
    56% calc(100% - 5px), 51% calc(100% - 12px), 46% calc(100% - 1px),
    41% calc(100% - 14px), 36% calc(100% - 6px), 31% calc(100% - 16px),
    26% calc(100% - 2px), 21% calc(100% - 10px), 16% 100%,
    11% calc(100% - 13px), 7% calc(100% - 4px), 3% calc(100% - 15px),
    0 calc(100% - 6px)
  );
}

.section-head { max-width: 700px; margin-bottom: clamp(40px, 6vw, 60px); }
.section-head h2 {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.035em;
  margin: 20px 0 16px;
}
.section-head > p { font-size: clamp(15px, 1.9vw, 17.5px); color: var(--ink-soft); }
.section-head h2, .support-copy h2, .contact-card h2 { text-wrap: balance; }

/* 마스킹 테이프 라벨 — 손글씨 + 민트 (파랑은 행동 요소 전용) */
.section-tape {
  display: inline-block;
  padding: 5px 18px 6px;
  font-family: var(--font-hand);
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.08em;
  background: var(--mint-soft);
  color: var(--ink);
  rotate: -1.2deg;
  box-shadow: 2px 3px 0 rgba(23, 33, 60, 0.14);
  clip-path: polygon(2% 0, 98% 4%, 100% 100%, 0 96%);
}
.tape-yellow { background: var(--yellow-soft); }
.tape-red { background: var(--red-soft); }

/* ---------- 리빌 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px) rotate(0.6deg);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-spring);
}
[data-reveal].is-inview { opacity: 1; transform: translateY(0) rotate(0); }

/* ---------- 스티커 카드 ----------
   [ram-grid] 공간이 허락하는 만큼 자동으로 열 수를 조절 (브레이크포인트 불필요) */
.sticker-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(min(15rem, 100%), 1fr));
}
.sticker-card {
  position: relative;
  padding: 30px 26px;
  background: var(--card);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s;
}
.rot-l { rotate: -0.6deg; }
.rot-r { rotate: 0.7deg; }
.rot-l2 { rotate: -1deg; }
.sticker-card:hover {
  transform: translateY(-6px) scale(1.015);
  box-shadow: 8px 12px 0 rgba(23, 33, 60, 0.14);
}
.sticker-card h3 { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; margin: 14px 0 8px; }
.sticker-card p { font-size: 15px; color: var(--ink-soft); }
.card-doodle {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.25;
  transition: opacity 0.25s, transform 0.4s var(--ease-spring);
}
.sticker-card:hover .card-doodle { opacity: 0.8; transform: rotate(-8deg) scale(1.12); }

/* ---------- 실험 영상 릴 (promise) ----------
   세로(9:16) 쇼츠 카드 3장. 클릭 전에는 로컬 썸네일, 클릭하면 iframe으로 교체 */
.video-reel {
  margin-top: clamp(28px, 4vw, 40px);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(18px, 3vw, 30px);
}
.video-card {
  margin: 0;
  width: min(236px, 72vw);
  background: var(--card);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  padding: 10px 10px 4px;
}
.video-card figcaption {
  font-family: var(--font-hand);
  font-size: 1.3rem;
  color: var(--ink-soft);
  text-align: center;
  padding: 8px 2px 4px;
}
.video-shot {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  padding: 0;
  border: 2px solid var(--ink);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--ink);
}
.video-shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-shot iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-play {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  width: 58px;
  height: 58px;
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: 50%;
  box-shadow: 3px 4px 0 rgba(23, 33, 60, 0.35);
  transition: scale 0.35s var(--ease-spring);
}
.video-play::after {
  content: "";
  position: absolute;
  left: 56%;
  top: 50%;
  translate: -50% -50%;
  border-left: 17px solid var(--blue);
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
}
.video-shot:hover .video-play,
.video-shot:focus-visible .video-play { scale: 1.12; }
.video-shot.is-playing .video-play { display: none; }
.video-note {
  margin-top: 16px;
  text-align: center;
  font-family: var(--font-hand);
  font-size: 1.35rem;
  color: var(--ink-faint);
}

/* ---------- 교재 미리보기 (materials) ----------
   [ram-grid] 카드 폭이 좁아지면 스스로 줄바꿈. 카드 뼈대는 sticker-card 재사용 */
.material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(21rem, 100%), 1fr));
  gap: clamp(18px, 3vw, 30px);
}
.material-pages {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.material-page { margin: 0; flex: 1; min-width: 0; }
.material-page img {
  width: 100%;
  height: auto;
  display: block;
  border: 2px solid var(--ink);
  border-radius: 10px;
  background: var(--card);
  box-shadow: 3px 4px 0 rgba(23, 33, 60, 0.12);
}
.material-page figcaption {
  font-family: var(--font-hand);
  font-size: 1.1rem;
  color: var(--ink-faint);
  text-align: center;
  margin-top: 7px;
}
/* 12~13세 제작 중 자리: 페이지 3장 자리에 맞춘 점선 프레임 */
.material-soon {
  margin-top: 18px;
  min-height: 200px;
  border: 2px dashed rgba(23, 33, 60, 0.35);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  font-family: var(--font-hand);
  font-size: 1.5rem;
  line-height: 1.3;
  color: var(--ink-faint);
}
.material-soon svg {
  width: 44px;
  height: 44px;
  fill: none;
  stroke: var(--ink-faint);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.7;
}
/* 제작 중 카드는 전폭 배너로 — 빈자리가 아니라 예고로 읽히게 */
.material-card-soon { grid-column: 1 / -1; }
.material-card-soon .material-soon {
  min-height: 110px;
  flex-direction: row;
  gap: 16px;
  padding: 18px;
}
.material-foot {
  margin-top: clamp(24px, 4vw, 34px);
  text-align: center;
  color: var(--ink-soft);
  font-size: 15px;
}

/* ---------- 시뮬 라이브 임베드 (lab) ----------
   밤의 실험실로 난 창문. iframe은 lazy — 스크롤이 가까워질 때만 로드 */
.sim-embed { margin: 0 0 clamp(26px, 4vw, 38px); }
.sim-frame {
  position: relative;
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  background: var(--ink);
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.sim-frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.sim-touchguard {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
  background: rgba(13, 19, 38, 0.4);
  border: 0;
  cursor: pointer;
  padding: 0;
}
.sim-touchguard[hidden] { display: none; }
.sim-touchguard span {
  font-family: var(--font-hand);
  font-size: 1.5rem;
  color: #fff;
  background: rgba(23, 33, 60, 0.88);
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  padding: 10px 22px;
}
.sim-embed figcaption {
  margin-top: 12px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 15px;
}
@media (max-width: 720px) {
  .sim-frame { aspect-ratio: 4 / 5; }
}

/* 밤의 스티커: 시뮬 도서관 카드 — 밝은 페이지에 붙은 어두운 스티커로,
   클릭하면 다크 테마 실험실로 들어간다는 예고 역할 */
.card-night { background: var(--ink); }
.card-night h3 { color: var(--paper); }
.card-night p { color: #b9c3dc; }
.card-night .card-doodle { stroke: var(--paper); }

.badge {
  display: inline-block;
  padding: 5px 14px;
  font-size: 12.5px;
  font-weight: 800;
  border: var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
}
.badge-mint { background: var(--mint-soft); }
.badge-yellow { background: var(--yellow); }
.badge-red { background: var(--red-soft); }

/* ---------- 연령 트랙 (아코디언 행) ---------- */
.track-list { display: grid; gap: 16px; }
.track-row {
  background: var(--card);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  overflow: hidden;
  transition: box-shadow 0.25s;
}
/* 트랙별 아이덴티티: 열림 상태의 그림자·배경 톤이 트랙 색을 따라간다 */
.track-star.is-open { box-shadow: 8px 12px 0 rgba(255, 210, 51, 0.45); background: #fffdf4; }
.track-job.is-open { box-shadow: 8px 12px 0 rgba(38, 194, 163, 0.3); background: #f4fdfa; }
.track-school.is-open { box-shadow: 8px 12px 0 rgba(255, 90, 60, 0.26); background: #fff8f5; }

.track-head {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 26px);
  width: 100%;
  padding: 22px clamp(18px, 3vw, 30px);
  background: none;
  border: none;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}
.track-age {
  flex: none;
  display: grid;
  place-items: center;
  min-width: 74px;
  padding: 10px 12px;
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 900;
  letter-spacing: -0.02em;
  background: var(--yellow);
  border: var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  rotate: -1deg;
  transition: rotate 0.3s var(--ease-spring), background 0.3s;
}
.track-job .track-age { background: var(--mint-soft); rotate: 0.8deg; }
.track-school .track-age { background: var(--red-soft); rotate: -0.7deg; }
.track-row.is-open .track-age { rotate: 0deg; }

/* 트랙 전용 아이콘 (별빛마을=달과 별, 직업탐구=명찰, 학교기반=보고서) */
.track-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--card);
  border: var(--border);
  border-radius: 50%;
  box-shadow: var(--shadow);
  rotate: 3deg;
  transition: rotate 0.3s var(--ease-spring);
}
.track-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.track-icon .fill { fill: var(--yellow); stroke: none; }
.track-star .track-icon { background: var(--yellow-soft); }
.track-job .track-icon { background: var(--mint-soft); rotate: -3deg; }
.track-school .track-icon { background: var(--red-soft); rotate: 2deg; }
.track-row.is-open .track-icon { rotate: 0deg; }

.track-name { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.track-name strong { font-size: clamp(18px, 2.4vw, 22px); font-weight: 800; letter-spacing: -0.02em; }
.track-name em { font-style: normal; font-size: 14px; color: var(--ink-soft); }

.track-toggle {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
}
.track-toggle::before, .track-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2.6px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.35s var(--ease-spring);
}
.track-toggle::after { transform: rotate(90deg); }
.track-row.is-open .track-toggle::after { transform: rotate(0); }

.track-body {
  padding: 0 clamp(18px, 3vw, 30px) 26px;
  border-top: 2px dashed rgba(23, 33, 60, 0.18);
  margin: 0 clamp(18px, 3vw, 30px);
  padding-left: 0;
  padding-right: 0;
  padding-top: 20px;
}
/* [ram-grid] 좁아지면 자동으로 1열 스택 */
.track-cols {
  display: grid;
  gap: clamp(16px, 3vw, 32px);
  grid-template-columns: repeat(auto-fit, minmax(min(20rem, 100%), 1fr));
  margin-bottom: 18px;
}
.track-cols > p { font-size: 15px; color: var(--ink-soft); }
.track-cols strong { color: var(--ink); }

.check-list { list-style: none; display: grid; gap: 9px; }
.check-list li {
  position: relative;
  padding-left: 30px;
  font-size: 15px;
  color: var(--ink-soft);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 18px;
  height: 18px;
  border: var(--border);
  border-radius: 6px;
  background: var(--card);
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 10px;
  height: 6px;
  border-left: 2.4px solid var(--mint);
  border-bottom: 2.4px solid var(--mint);
  transform: rotate(-45deg);
}

/* 트랙 체험판 링크 (별빛마을 게임모드 등 외부 데모) */
.track-demo {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.track-demo span {
  font-size: 13.5px;
  color: var(--ink-faint);
}

.track-tip {
  padding: 14px 18px;
  font-size: 13.5px;
  color: var(--ink-soft);
  background: var(--yellow-soft);
  border-radius: 12px;
  border: 2px dashed rgba(23, 33, 60, 0.25);
}
.track-job .track-tip { background: var(--mint-soft); }
.track-school .track-tip { background: var(--red-soft); }
.track-tip strong {
  display: inline-block;
  margin-right: 8px;
  color: var(--ink);
}

.track-foot {
  margin-top: 34px;
  font-size: 15.5px;
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
}

.text-link {
  font-weight: 800;
  color: var(--blue);
  border-bottom: 2px solid var(--blue);
  transition: background 0.2s;
}
.text-link:hover { background: var(--blue-soft); }

/* lab 이용 안내 — 시뮬·활동지 이용 조건 한 줄 (원본 문구는 스펙 문서 참고) */
.lab-note {
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--ink-faint);
}

/* ---------- 폴라로이드 ----------
   [ram-grid] 카드 최소 폭 기준으로 열 수 자동 결정 */
.polaroid-row {
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(min(15rem, 100%), 1fr));
}
.polaroid {
  background: var(--card);
  border: var(--border);
  padding: 14px 14px 18px;
  border-radius: 8px;
  box-shadow: var(--shadow-pop);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s;
}
/* 호버 팝은 마우스 환경에서만 — 터치 기기는 탭한 뒤에도 :hover가 남아
   카드 크기(scale)가 바뀌고, 그러면 스크롤 스냅 위치가 재계산되며 카드가 들썩인다 */
@media (hover: hover) {
  .polaroid:hover {
    transform: translateY(-8px) rotate(0deg) scale(1.03);
    box-shadow: 10px 14px 0 rgba(23, 33, 60, 0.18);
    z-index: 2;
  }
}
.polaroid-img {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  border: 2px solid rgba(23, 33, 60, 0.14);
  margin-bottom: 12px;
}
/* 실제 사진을 넣으면 4:3 프레임에 맞춰 자동으로 잘린다 */
.polaroid-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
}
.polaroid-img svg {
  width: 44%;
  height: auto;
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.75;
}
.img-a { background: linear-gradient(140deg, var(--blue-soft), #eef2ff); }
.img-b { background: linear-gradient(140deg, var(--yellow-soft), #fffbea); }
.img-c { background: linear-gradient(140deg, var(--red-soft), #fff1ec); }
/* 폴라로이드 캡션은 사진 밑에 펜으로 적은 메모처럼 */
.polaroid figcaption {
  display: flex;
  flex-direction: column;
  gap: 0;
  font-family: var(--font-hand);
  font-size: 17px;
  line-height: 1.3;
  color: var(--ink-soft);
}
.polaroid figcaption strong { font-size: 21px; color: var(--ink); font-weight: 400; }

/* ---------- 도입 지원 ----------
   [switcher] 두 칸이 나란히 서기에 좁으면 스스로 세로 스택으로 전환 */
.support-grid {
  display: grid;
  gap: clamp(32px, 6vw, 70px);
  grid-template-columns: repeat(auto-fit, minmax(min(24rem, 100%), 1fr));
  align-items: start;
}
.support-copy h2 {
  font-size: clamp(26px, 4.2vw, 42px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.035em;
  margin: 20px 0 16px;
}
.support-copy > p { color: var(--ink-soft); margin-bottom: 26px; }

.fit-notes {
  padding: 22px 24px;
  background: var(--card);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  rotate: -0.5deg;
}
.fit-notes > p { font-weight: 800; margin-bottom: 12px; }

.support-steps { list-style: none; display: grid; gap: 14px; }
.support-steps li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px 22px;
  background: var(--card);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: 4px 5px 0 rgba(23, 33, 60, 0.1);
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s;
}
.support-steps li:hover {
  transform: translateX(6px);
  box-shadow: 7px 8px 0 rgba(23, 33, 60, 0.14);
}
.support-steps span {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  font-weight: 900;
  background: var(--yellow);
  border: var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.support-steps h3 { font-size: 16.5px; font-weight: 800; margin-bottom: 3px; }
.support-steps p { font-size: 14px; color: var(--ink-soft); }

/* ---------- FAQ ----------
   [stack] 질문 카드 사이 수직 리듬 */
.faq-list { display: grid; gap: 12px; max-width: 800px; }
.faq-list details {
  background: var(--card);
  border: var(--border);
  border-radius: 16px;
  box-shadow: 4px 5px 0 rgba(23, 33, 60, 0.1);
  overflow: hidden;
}
.faq-list details[open] { box-shadow: 6px 8px 0 rgba(47, 93, 245, 0.16); }
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 24px;
  font-size: 15.5px;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { background: var(--yellow-soft); }
.faq-list details > p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--ink-soft);
}

.faq-icon { position: relative; flex: none; width: 16px; height: 16px; }
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2.6px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.35s var(--ease-spring);
}
.faq-icon::after { transform: rotate(90deg); }
details[open] .faq-icon::after { transform: rotate(0); }

/* ---------- CONTACT ---------- */
/* [content-limiter] */
.contact {
  max-inline-size: 1100px;
  margin-inline: auto;
  padding: clamp(60px, 8vw, 110px) clamp(20px, 5vw, 52px) clamp(90px, 11vw, 150px);
}
.contact-card {
  position: relative;
  text-align: center;
  padding: clamp(48px, 7vw, 84px) clamp(24px, 5vw, 60px);
  background: var(--blue);
  color: #fff;
  border: var(--border);
  border-radius: 30px;
  box-shadow: 10px 12px 0 rgba(23, 33, 60, 0.32);
}
.contact-sticker {
  position: absolute;
  top: -18px;
  right: clamp(20px, 8vw, 70px);
  padding: 6px 20px 8px;
  font-family: var(--font-hand);
  font-size: 21px;
  font-weight: 400;
  background: var(--yellow);
  color: var(--ink);
  border: var(--border);
  border-radius: 999px;
  rotate: 3deg;
  box-shadow: var(--shadow);
}
.contact-card h2 {
  font-size: clamp(28px, 4.6vw, 48px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.035em;
  margin-bottom: 14px;
}
.contact-card > p { opacity: 0.9; margin-bottom: 34px; }
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 10px;
}
.contact-phone svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linejoin: round;
}
.contact-phone a {
  font-weight: 900;
  letter-spacing: 0.02em;
  border-bottom: 2px solid rgba(255, 255, 255, 0.6);
  font-variant-numeric: tabular-nums;
}
.contact-phone a:hover { border-bottom-color: #fff; }
.contact-note { font-size: 13px; opacity: 0.75; }

/* ---------- 푸터 ---------- */
/* [stack] + [content-limiter] */
.site-footer {
  display: grid;
  gap: 18px;
  max-inline-size: 1100px;
  margin-inline: auto;
  padding: 34px clamp(20px, 5vw, 52px) 46px;
  border-top: var(--border);
  color: var(--ink-faint);
  font-size: 13.5px;
}
.footer-brand { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; }
.site-footer strong { color: var(--ink); font-size: 15px; font-weight: 800; }

/* [cluster] 연락 정보를 한 줄에 모으고 좁으면 자연스럽게 줄바꿈 */
.footer-info {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
}
.footer-info li { display: flex; align-items: baseline; gap: 8px; }
.footer-info li > span { font-weight: 800; color: var(--ink-soft); }
.footer-info a { border-bottom: 1.5px solid currentColor; }
.footer-info a:hover { color: var(--ink); }
.footer-legal { font-size: 12.5px; }

/* ---------- 모바일 고정 CTA ---------- */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 45;
  padding: 16px;
  text-align: center;
  font-weight: 900;
  font-size: 15.5px;
  background: var(--blue);
  color: #fff;
  border: var(--border);
  border-radius: 16px;
  box-shadow: 4px 6px 0 rgba(23, 33, 60, 0.3);
  transition: transform 0.35s var(--ease-out), opacity 0.3s;
}
/* 히어로(자체 CTA 있음)와 연락처 카드(최종 CTA) 구간에서는 아래로 숨김
   — 같은 파란 버튼이 두 개 겹쳐 보이는 중복 방지 (script.js initStickyCta) */
.mobile-sticky-cta.is-hidden {
  transform: translateY(150%);
  opacity: 0;
  pointer-events: none;
}

/* ==========================================================================
   반응형
   ========================================================================== */
/* 그리드 열 수 전환은 [ram-grid]/[switcher] 패턴이 내재적으로 처리하므로
   960px 브레이크포인트는 더 이상 필요 없음 */

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 82vw);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
    padding: 90px 34px;
    font-size: 18px;
    background: var(--paper);
    border-left: var(--border);
    transform: translateX(102%);
    transition: transform 0.4s var(--ease-out);
    z-index: 49;
    /* 세로 공간이 부족하면(가로 모드 등) 패널 안에서만 스크롤 */
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .site-nav.is-open { transform: translateX(0); box-shadow: -16px 0 44px rgba(23, 33, 60, 0.16); }

  .rot-l, .rot-r, .rot-l2 { rotate: 0deg; }

  /* [reel] 실험 영상도 모바일에서는 옆으로 넘겨본다 */
  .video-reel {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 6px 4px 14px;
  }
  .video-card { flex: 0 0 min(62vw, 236px); scroll-snap-align: center; }

  /* [reel] 모바일에서는 폴라로이드를 세로로 쌓지 않고 옆으로 넘겨본다 */
  .polaroid-row {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: min(78%, 300px);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 20px;
    padding: 6px 4px 18px;
    -webkit-overflow-scrolling: touch;
  }
  /* stop: always — 세게 넘겨도 여러 장을 건너뛰지 않고 한 장씩 딱딱 고정 */
  .polaroid { scroll-snap-align: center; scroll-snap-stop: always; }
  .beaker { right: 12px; bottom: 88px; width: 44px; }
  .beaker svg { width: 36px; height: 46px; }
  .mobile-sticky-cta { display: block; bottom: calc(16px + env(safe-area-inset-bottom)); }
  .site-footer { padding-bottom: 110px; }
  /* 세로로 쌓인 CTA 버튼·힌트와 겹치는 중하단 낙서(플라스크·행성·E=mc²)도 숨김 */
  .d-bolt, .f3, .d-flask, .d-planet, .f2 { display: none; }

  /* 좁은 화면: 트랙 아이콘은 숨기고 이름 공간 확보 */
  .track-icon { display: none; }

  /* 좁은 화면: CTA는 세로 스택 + 풀너비, 제목 강제 줄바꿈 해제 */
  .hero-actions { flex-direction: column; align-items: stretch; }
  .contact-actions { flex-direction: column; align-items: stretch; }
  .section-head h2 br, .support-copy h2 br, .contact-card h2 br { display: none; }
}

/* ==========================================================================
   모션 최소화 설정 존중
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-pop], [data-reveal] { opacity: 1 !important; transform: none !important; }
  .marquee-track { animation: none; }
  .flip-word { transition: none; }
}