/* ═══════════════════════════════════════════════════════════
   지속 가능한 식생활 입문 — .sd-page (scoped)
   ═══════════════════════════════════════════════════════════ */
.sd-page {
  --sd-primary:    #006565;
  --sd-primary-dk: #004f4f;
  --sd-primary-md: #008080;
  --sd-secondary:  #00696e;
  --sd-accent:     #ccf067;
  --sd-accent-dk:  #4c6200;
  --sd-white:      #ffffff;
  --sd-bg:         #ffffff;
  --sd-surface:    #ebeef4;
  --sd-surface-lo: #f1f4fa;
  --sd-ink:        #181c20;
  --sd-ink-2:      #3e4949;
  --sd-ink-3:      #6e7979;
  --sd-border:     #dfe3e8;
  --sd-radius-xl:  1.5rem;
  --sd-radius-lg:  0.75rem;
  --sd-radius-md:  0.5rem;
  --sd-shadow-md:  0 10px 40px rgba(0,101,101,0.07);
  --sd-shadow-xl:  0 20px 60px rgba(0,101,101,0.14);
  --sd-trans:      0.25s cubic-bezier(0.4,0,0.2,1);
}
.sd-page, .sd-page *, .sd-page *::before, .sd-page *::after { box-sizing: border-box; }
.sd-page {
  font-family: Inter, 'Pretendard Variable', 'Noto Sans KR', -apple-system, sans-serif !important;
  color: var(--sd-ink) !important;
  background: var(--sd-bg) !important;
  -webkit-font-smoothing: antialiased;
  padding: 0 !important;
}
.sd-page .sd-wrap { max-width: 1180px; margin: 0 auto; padding: 0 40px; }
.sd-page .sd-wrap--narrow { max-width: 840px; margin: 0 auto; padding: 0 40px; }

/* ── 섹션 공통 ─────────────────────────────────────────── */
.sd-page .sd-section { padding: 88px 0; }
.sd-page .sd-section--alt { background: var(--sd-surface-lo); }
.sd-page .sd-section--dark { background: var(--sd-primary-dk); }
.sd-page .sd-eyebrow {
  display: inline-block;
  font-size: 11px !important;
  font-weight: 800 !important;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sd-accent-dk) !important;
  margin: 0 0 1rem 0 !important;
  line-height: 1.4 !important;
}
.sd-page h2.sd-h2 {
  font-family: inherit !important;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem) !important;
  font-weight: 800 !important;
  letter-spacing: -0.025em !important;
  color: var(--sd-primary) !important;
  line-height: 1.15 !important;
  margin: 0 0 1rem 0 !important;
}
.sd-page .sd-lead {
  font-size: 1.125rem !important;
  color: var(--sd-ink-2) !important;
  line-height: 1.7 !important;
  margin: 0 !important;
}

/* ── Hero ──────────────────────────────────────────────── */
.sd-page .sd-hero {
  padding: 104px 0 92px;
  min-height: 540px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #002a2a 0%, #04403a 34%, #006565 70%, #00504f 100%);
  position: relative;
  overflow: hidden;
}
/* 사진은 톤 다운된 텍스처 레이어로 블렌드 */
.sd-page .sd-hero-bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  z-index: 0; opacity: 0.34; mix-blend-mode: luminosity;
}
/* 가독성 그라데이션 + 라임/시안 방사형 글로우 */
.sd-page .sd-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(0,30,28,0.78) 0%, rgba(0,55,40,0.42) 55%, rgba(0,40,40,0.30) 100%),
    radial-gradient(ellipse 52% 70% at 86% 6%, rgba(204,240,103,0.16) 0%, transparent 56%),
    radial-gradient(ellipse 46% 58% at 2% 96%, rgba(0,192,192,0.16) 0%, transparent 52%);
  pointer-events: none;
  z-index: 1;
}
/* 동심원 기하학 데코 링 (ycl 톤 정렬) */
.sd-page .sd-hero::after {
  content: "";
  position: absolute; right: -7%; top: -42%;
  width: 760px; height: 760px; border-radius: 50%;
  border: 1px solid rgba(204,240,103,0.12);
  box-shadow: inset 0 0 0 84px rgba(204,240,103,0.035), 0 0 0 150px rgba(0,128,128,0.06);
  pointer-events: none; z-index: 1;
}
.sd-page .sd-hero > .sd-wrap { width: 100%; }
.sd-page .sd-hero-inner { position: relative; z-index: 2; max-width: 720px; }
.sd-page .sd-hero .sd-eyebrow { color: var(--sd-accent) !important; }
/* 히어로 배지 칩 */
.sd-page .sd-hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0.34rem 1rem;
  background: var(--sd-accent); color: var(--sd-accent-dk) !important;
  font-size: 11px !important; font-weight: 800 !important;
  letter-spacing: 0.14em; text-transform: uppercase;
  border-radius: 999px; margin: 0 0 1.5rem 0 !important; line-height: 1.4 !important;
}
.sd-page .sd-hero-badge .material-symbols-outlined { font-size: 14px !important; font-variation-settings: 'FILL' 1; }
.sd-page .sd-hero h1 {
  font-family: inherit !important;
  font-size: clamp(2.6rem, 5.4vw, 4.35rem) !important;
  font-weight: 800 !important;
  letter-spacing: -0.038em !important;
  color: #ffffff !important;
  line-height: 1.04 !important;
  margin: 0 0 1.35rem 0 !important;
  word-break: keep-all;
}
.sd-page .sd-hero h1 em {
  font-style: italic;
  color: var(--sd-accent);
  text-decoration: none;
}
.sd-page .sd-hero-sub {
  font-size: 1.3rem !important;
  color: rgba(255,255,255,0.9) !important;
  line-height: 1.6 !important;
  max-width: 600px;
  margin: 0 0 2.25rem 0 !important;
  word-break: keep-all;
}
/* 히어로 진입 애니메이션 — 자식 요소 stagger */
.sd-page .sd-hero-inner > * { animation: sd-hero-rise 0.7s cubic-bezier(0.22,1,0.36,1) both; }
.sd-page .sd-hero-inner > .sd-hero-badge { animation-delay: 0.02s; }
.sd-page .sd-hero-inner > h1 { animation-delay: 0.1s; }
.sd-page .sd-hero-inner > .sd-hero-sub { animation-delay: 0.2s; }
.sd-page .sd-hero-inner > .sd-hero-btns { animation-delay: 0.3s; }
@keyframes sd-hero-rise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.sd-page .sd-hero-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.sd-page .sd-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  border-radius: var(--sd-radius-lg);
  font-weight: 700 !important; font-size: 15px !important;
  text-decoration: none !important; border: none; cursor: pointer;
  font-family: inherit !important; line-height: 1.4 !important;
  transition: all var(--sd-trans);
}
.sd-page .sd-btn--primary { background: var(--sd-primary); color: var(--sd-white) !important; box-shadow: var(--sd-shadow-md); }
.sd-page .sd-btn--primary:hover { background: var(--sd-primary-md); transform: translateY(-1px); color: var(--sd-white) !important; text-decoration: none !important; }
.sd-page .sd-btn--ghost { background: var(--sd-surface); color: var(--sd-ink) !important; }
.sd-page .sd-btn--ghost:hover { background: var(--sd-border); text-decoration: none !important; }
/* 히어로(다크 배경) 전용 ghost — 반투명 글래스 */
.sd-page .sd-hero .sd-btn--ghost { background: rgba(255,255,255,0.1); color: var(--sd-white) !important; border: 1px solid rgba(255,255,255,0.3); }
.sd-page .sd-hero .sd-btn--ghost:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.55); }
.sd-page .sd-btn:active { transform: scale(0.97); }
.sd-page .sd-btn .material-symbols-outlined { font-size: 18px !important; transition: transform var(--sd-trans); }
.sd-page .sd-btn--primary:hover .material-symbols-outlined { transform: translateX(2px); }

/* ── 식품 시스템 Why 섹션 ──────────────────────────────── */
.sd-page .sd-why-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.sd-page .sd-why-text p {
  font-size: 1.05rem !important; color: var(--sd-ink-2) !important;
  line-height: 1.75 !important; margin: 0 0 1.25rem 0 !important;
}
.sd-page .sd-why-text strong { color: var(--sd-primary) !important; font-weight: 700 !important; }
.sd-page .sd-chart-card {
  background: var(--sd-white);
  border-radius: var(--sd-radius-xl);
  padding: 36px;
  box-shadow: var(--sd-shadow-md);
}
.sd-page .sd-chart-card-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 1.75rem; }
.sd-page .sd-chart-card-head h3 {
  font-family: inherit !important;
  font-size: 1.05rem !important; font-weight: 700 !important;
  color: var(--sd-ink) !important; margin: 0 !important; line-height: 1.4 !important;
}
.sd-page .sd-chart-card-unit { font-size: 11px !important; color: var(--sd-ink-3) !important; }
.sd-page .sd-chart-eyebrow { font-size: 11px !important; font-weight: 800 !important; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sd-primary) !important; margin: 0 0 4px 0 !important; }
.sd-page .sd-chart-link { display: inline-flex; align-items: center; gap: 4px; font-size: 12px !important; color: var(--sd-primary) !important; font-weight: 600 !important; text-decoration: none !important; margin-top: 10px; transition: gap var(--sd-trans); }
.sd-page .sd-chart-link:hover { gap: 8px; }
.sd-page .sd-chart-link .material-symbols-outlined { font-size: 15px !important; line-height: 1; }
.sd-page .sd-bar-row { margin-bottom: 1.1rem; }
.sd-page .sd-bar-row:last-child { margin-bottom: 0; }
.sd-page .sd-bar-label { display: flex; justify-content: space-between; font-size: 13px !important; color: var(--sd-ink-2) !important; margin-bottom: 6px !important; line-height: 1.4 !important; }
.sd-page .sd-bar-label strong { font-weight: 700 !important; color: var(--sd-ink) !important; }
.sd-page .sd-bar-track { height: 10px; background: var(--sd-surface); border-radius: 999px; overflow: hidden; }
.sd-page .sd-bar-fill { height: 100%; border-radius: 999px; transition: width 1.1s cubic-bezier(0.22,1,0.36,1); }
.sd-page .sd-bar-fill--1 { background: var(--sd-primary); }
.sd-page .sd-bar-fill--2 { background: var(--sd-secondary); }
.sd-page .sd-bar-fill--3 { background: #617c00; }
.sd-page .sd-bar-fill--4 { background: var(--sd-border); }
.sd-page .sd-chart-source { font-size: 11px !important; color: var(--sd-ink-3) !important; text-align: center; margin-top: 1.5rem !important; font-style: italic; }

/* ── 진단 Quiz ─────────────────────────────────────────── */
.sd-page .sd-quiz-wrap {
  max-width: 760px; margin: 0 auto;
  background: var(--sd-white);
  border-radius: 2rem;
  padding: 52px;
  box-shadow: var(--sd-shadow-xl);
  position: relative; overflow: hidden;
}
.sd-page .sd-quiz-wrap::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px; background: var(--sd-accent);
}
.sd-page .sd-quiz-step { display: none; }
.sd-page .sd-quiz-step.active { display: block; }
.sd-page .sd-quiz-q-num { font-size: 11px !important; font-weight: 800 !important; letter-spacing: 0.16em; text-transform: uppercase; color: var(--sd-primary) !important; margin: 0 0 1rem 0 !important; }
.sd-page .sd-quiz-q-text { font-family: inherit !important; font-size: 1.4rem !important; font-weight: 700 !important; color: var(--sd-ink) !important; line-height: 1.4 !important; margin: 0 0 1.5rem 0 !important; }
.sd-page .sd-quiz-options { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 2rem; }
.sd-page .sd-quiz-opt {
  padding: 16px 20px;
  border: 2px solid var(--sd-border);
  border-radius: var(--sd-radius-lg);
  font-size: 14.5px !important; font-weight: 500 !important;
  color: var(--sd-ink) !important; background: var(--sd-surface-lo);
  cursor: pointer; text-align: left;
  font-family: inherit !important; line-height: 1.45 !important;
  transition: all var(--sd-trans); display: flex; justify-content: space-between; align-items: center;
}
.sd-page .sd-quiz-opt:hover { border-color: var(--sd-primary); background: rgba(0,101,101,0.04); }
.sd-page .sd-quiz-opt.selected { border-color: var(--sd-primary); background: rgba(0,101,101,0.06); font-weight: 700 !important; }
.sd-page .sd-quiz-opt .material-symbols-outlined { font-size: 18px !important; opacity: 0; transition: opacity var(--sd-trans); color: var(--sd-primary) !important; }
.sd-page .sd-quiz-opt.selected .material-symbols-outlined { opacity: 1; }
.sd-page .sd-quiz-foot { display: flex; justify-content: space-between; align-items: center; padding-top: 1.5rem; border-top: 1px solid var(--sd-border); }
.sd-page .sd-quiz-dots { display: flex; gap: 8px; }
.sd-page .sd-quiz-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--sd-border); }
.sd-page .sd-quiz-dot.active { background: var(--sd-primary); }
.sd-page .sd-quiz-result { text-align: center; }
.sd-page .sd-quiz-result .sd-score-label { font-size: 12px !important; font-weight: 700 !important; text-transform: uppercase; letter-spacing: 0.14em; color: var(--sd-primary) !important; margin-bottom: 0.5rem !important; }
.sd-page .sd-quiz-result .sd-score-num { font-size: 4rem !important; font-weight: 800 !important; color: var(--sd-primary) !important; line-height: 1 !important; margin: 0 0 0.5rem 0 !important; }
.sd-page .sd-quiz-result .sd-score-desc { font-size: 1.1rem !important; color: var(--sd-ink-2) !important; line-height: 1.6 !important; max-width: 480px; margin: 0 auto 1rem !important; }
.sd-page .sd-quiz-tier { font-size: 1.3rem !important; font-weight: 700 !important; color: var(--sd-ink) !important; margin: 0 0 0.75rem 0 !important; }
.sd-page .sd-quiz-co2 { background: var(--sd-surface-lo); border-radius: 0.75rem; padding: 1.25rem 1.5rem; margin: 1.25rem auto !important; max-width: 400px; }
.sd-page .sd-co2-num { display: block; font-size: 2.25rem; font-weight: 800; color: var(--sd-primary); line-height: 1; }
.sd-page .sd-co2-unit { display: block; font-size: 0.8rem; color: var(--sd-ink-3); margin: 0.2rem 0 0.5rem; }
.sd-page .sd-co2-eq { display: block; font-size: 0.85rem; color: var(--sd-ink-2); font-weight: 500; }
.sd-page .sd-co2-msg { display: block; font-size: 1rem; color: var(--sd-ink-2); }
.sd-page .sd-quiz-tip { background: var(--sd-accent-light, #f0f9f0); border-left: 3px solid var(--sd-primary); border-radius: 0 0.5rem 0.5rem 0; padding: 0.75rem 1rem; margin: 0 auto 1.5rem !important; max-width: 440px; text-align: left; }
.sd-page .sd-quiz-tip p { font-size: 0.9rem !important; color: var(--sd-ink-2) !important; margin: 0 !important; line-height: 1.6 !important; }
.sd-page .sd-quiz-result-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }

/* ── 핵심 키워드 개념 카드 그리드 ──────────────────────── */
.sd-page .sd-concepts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
}
.sd-page .sd-concept-card {
  background: var(--sd-white);
  border-radius: var(--sd-radius-xl);
  padding: 36px;
  transition: transform var(--sd-trans), box-shadow var(--sd-trans);
}
.sd-page .sd-concept-card:hover { transform: translateY(-4px); box-shadow: var(--sd-shadow-md); }
.sd-page .sd-concept-card--wide { grid-column: 1 / 2; }
.sd-page .sd-concept-card--tall { grid-row: 1 / 3; }
.sd-page .sd-concept-card--accent { background: var(--sd-secondary); color: var(--sd-white); }
.sd-page .sd-concept-card--lime { background: var(--sd-accent); }
.sd-page .sd-concept-card--surface { background: var(--sd-surface-lo); border: 1px solid var(--sd-border); }
.sd-page .sd-concept-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; }
.sd-page .sd-concept-icon--primary { background: rgba(0,101,101,0.1); color: var(--sd-primary) !important; }
.sd-page .sd-concept-icon .material-symbols-outlined { font-size: 28px !important; }
.sd-page .sd-concept-card h3 { font-family: inherit !important; font-size: 1.2rem !important; font-weight: 700 !important; letter-spacing: -0.015em !important; line-height: 1.3 !important; margin: 0 0 0.75rem 0 !important; }
.sd-page .sd-concept-card--accent h3 { color: var(--sd-white) !important; }
.sd-page .sd-concept-card--lime h3 { color: var(--sd-accent-dk) !important; }
.sd-page .sd-concept-card--wide h3, .sd-page .sd-concept-card--surface h3 { color: var(--sd-ink) !important; }
.sd-page .sd-concept-card p { font-size: 14.5px !important; line-height: 1.65 !important; margin: 0 0 1.25rem 0 !important; }
.sd-page .sd-concept-card--accent p { color: rgba(255,255,255,0.88) !important; }
.sd-page .sd-concept-card--lime p { color: var(--sd-accent-dk) !important; opacity: 0.85; }
.sd-page .sd-concept-card--wide p, .sd-page .sd-concept-card--surface p { color: var(--sd-ink-2) !important; }
.sd-page .sd-concept-link { font-size: 13px !important; font-weight: 700 !important; text-decoration: none !important; display: inline-flex; align-items: center; gap: 4px; transition: gap var(--sd-trans); }
.sd-page .sd-concept-card--wide .sd-concept-link { color: var(--sd-primary) !important; }
.sd-page .sd-concept-card--accent .sd-concept-link { color: rgba(255,255,255,0.9) !important; }
.sd-page .sd-concept-card--lime .sd-concept-link { color: var(--sd-accent-dk) !important; }
.sd-page .sd-concept-card--surface .sd-concept-link { color: var(--sd-primary) !important; }
.sd-page .sd-concept-link:hover { gap: 8px; }
.sd-page .sd-concept-link .material-symbols-outlined { font-size: 16px !important; }

/* ── 오해와 진실 ──────────────────────────────────────── */
.sd-page .sd-myths-list { list-style: none; margin: 0; padding: 0; }
.sd-page .sd-myth { display: grid; grid-template-columns: 80px 1fr; gap: 32px; padding: 40px 0; border-bottom: 1px solid var(--sd-border); margin: 0 !important; }
.sd-page .sd-myth:last-child { border-bottom: none; }
.sd-page .sd-myth-num { font-size: 3.5rem !important; font-weight: 900 !important; color: rgba(0,101,101,0.12) !important; font-style: italic; line-height: 1 !important; margin: 0 !important; }
.sd-page .sd-myth-q { font-family: inherit !important; font-size: 1.2rem !important; font-weight: 700 !important; color: var(--sd-ink) !important; line-height: 1.4 !important; margin: 0 0 1rem 0 !important; }
.sd-page .sd-myth-answer { background: var(--sd-surface-lo); border-radius: var(--sd-radius-lg); padding: 20px 24px; position: relative; }
.sd-page .sd-myth-badge { position: absolute; top: -1px; right: 16px; transform: translateY(-50%); font-size: 10px !important; font-weight: 800 !important; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sd-primary) !important; background: rgba(0,101,101,0.1); padding: 3px 10px; border-radius: 999px; }
.sd-page .sd-myth-answer p { font-size: 14.5px !important; color: var(--sd-ink-2) !important; line-height: 1.7 !important; margin: 0 !important; }
.sd-page .sd-myth-answer strong { color: var(--sd-primary) !important; font-weight: 700 !important; }

/* ── 5단계 실천 가이드 ──────────────────────────────── */
.sd-page .sd-steps-section { background: var(--sd-primary-dk); padding: 88px 0; }
.sd-page .sd-steps-head { text-align: center; margin-bottom: 3rem; }
.sd-page .sd-steps-head h2 { color: var(--sd-white) !important; }
.sd-page .sd-steps-head p { color: rgba(204,240,103,0.75) !important; font-size: 1.05rem !important; margin-top: 0.5rem !important; }
.sd-page .sd-steps-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.sd-page .sd-step {
  display: flex; align-items: center; gap: 48px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--sd-radius-xl);
  padding: 28px 36px;
  transition: background var(--sd-trans);
}
.sd-page .sd-step:hover { background: rgba(255,255,255,0.13); }
.sd-page .sd-step-num { font-size: 3rem !important; font-weight: 900 !important; color: var(--sd-accent) !important; opacity: 0.5; line-height: 1 !important; min-width: 64px; transition: opacity var(--sd-trans); }
.sd-page .sd-step:hover .sd-step-num { opacity: 1; }
.sd-page .sd-step-title { font-family: inherit !important; font-size: 1.25rem !important; font-weight: 700 !important; color: var(--sd-white) !important; line-height: 1.3 !important; margin: 0 0 0.4rem 0 !important; min-width: 160px; }
.sd-page .sd-step-desc { font-size: 15px !important; color: rgba(255,255,255,0.82) !important; line-height: 1.6 !important; margin: 0 !important; flex: 1; }

/* ── Bottom CTA ──────────────────────────────────────── */
.sd-page .sd-cta {
  background: linear-gradient(135deg, var(--sd-primary-dk) 0%, var(--sd-primary) 100%);
  border-radius: var(--sd-radius-xl);
  padding: 64px 48px;
  text-align: center;
  margin: 80px auto;
  max-width: 1100px;
}
.sd-page .sd-cta h3 { font-family: inherit !important; font-size: clamp(1.5rem,2.4vw,2rem) !important; font-weight: 700 !important; color: var(--sd-white) !important; margin: 0 0 0.75rem 0 !important; letter-spacing: -0.02em !important; }
.sd-page .sd-cta p { font-size: 16px !important; color: rgba(255,255,255,0.82) !important; margin: 0 0 1.75rem 0 !important; line-height: 1.7 !important; }
.sd-page .sd-cta-btns { display: inline-flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.sd-page .sd-btn--white { background: var(--sd-white); color: var(--sd-primary) !important; }
.sd-page .sd-btn--white:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); text-decoration: none !important; }
.sd-page .sd-btn--outline { background: rgba(255,255,255,0.08); color: var(--sd-white) !important; border: 1px solid rgba(255,255,255,0.3); }
.sd-page .sd-btn--outline:hover { background: rgba(255,255,255,0.18); text-decoration: none !important; }

/* ── 스크롤 리빌 & 마이크로 인터랙션 ──────────────────────
   .sd-reveal 는 기본 숨김(아래로 살짝)→ IntersectionObserver 가
   .is-in 추가 시 떠오름. data-sd-delay 로 stagger.            */
/* 숨김 상태는 .sd-anim(JS 가 부여) 가 있을 때만 — JS 미동작 시 콘텐츠 항상 노출 */
.sd-page.sd-anim .sd-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1);
  will-change: opacity, transform;
}
.sd-page.sd-anim .sd-reveal.is-in { opacity: 1; transform: none; }
.sd-page .sd-reveal[data-sd-delay="1"] { transition-delay: 0.08s; }
.sd-page .sd-reveal[data-sd-delay="2"] { transition-delay: 0.16s; }
.sd-page .sd-reveal[data-sd-delay="3"] { transition-delay: 0.24s; }
.sd-page .sd-reveal[data-sd-delay="4"] { transition-delay: 0.32s; }

/* 바 차트 — 진입 전 0폭, .is-in 시 인라인 width 로 채워짐
   (인라인 style 의 width 는 !important 가 아니므로 아래 규칙이 우선.
   transition·hover 값은 원 선언부에 병합 — 2026-07-13 중복 제거) */
.sd-page.sd-anim .sd-chart-card:not(.is-in) .sd-bar-fill { width: 0 !important; }

/* 카드 호버 정교화 */
.sd-page .sd-concept-link .material-symbols-outlined { transition: transform var(--sd-trans); }
.sd-page .sd-myth { transition: transform var(--sd-trans); }
.sd-page .sd-chart-card { transition: transform var(--sd-trans), box-shadow var(--sd-trans); }
.sd-page .sd-chart-card:hover { transform: translateY(-3px); box-shadow: var(--sd-shadow-xl); }

/* 점수 카운트업 강조 */
.sd-page .sd-score-num { transition: color var(--sd-trans); }

/* 접근성 — 모션 최소화 선호 시 모든 진입 효과 무효화 */
@media (prefers-reduced-motion: reduce) {
  .sd-page .sd-reveal,
  .sd-page .sd-hero-inner > *,
  .sd-page .sd-bar-fill { transition: none !important; animation: none !important; }
  .sd-page .sd-reveal { opacity: 1 !important; transform: none !important; }
  .sd-page .sd-chart-card:not(.is-in) .sd-bar-fill { width: revert !important; }
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 960px) {
  .sd-page .sd-wrap, .sd-page .sd-wrap--narrow { padding: 0 28px; }
  .sd-page .sd-hero { padding: 80px 0 68px; min-height: 0; }
  .sd-page .sd-why-grid { grid-template-columns: 1fr; gap: 40px; }
  .sd-page .sd-concepts-grid { grid-template-columns: 1fr; }
  .sd-page .sd-concept-card--tall { grid-row: auto; }
  .sd-page .sd-concept-card--tall[style] { grid-column: auto !important; grid-row: auto !important; }
  .sd-page .sd-step { flex-wrap: wrap; gap: 16px; }
  .sd-page .sd-cta { padding: 48px 32px; }
}
@media (max-width: 640px) {
  .sd-page .sd-wrap, .sd-page .sd-wrap--narrow { padding: 0 20px; }
  .sd-page .sd-section { padding: 60px 0; }
  .sd-page .sd-hero { padding: 56px 0 48px; }
  .sd-page .sd-hero::after { width: 460px; height: 460px; right: -28%; top: -30%; }
  .sd-page .sd-quiz-options { grid-template-columns: 1fr; }
  .sd-page .sd-quiz-wrap { padding: 32px 24px; }
  .sd-page .sd-quiz-foot { flex-direction: column; gap: 16px; align-items: stretch; }
  .sd-page .sd-quiz-foot .sd-btn { justify-content: center; }
  .sd-page .sd-quiz-dots { justify-content: center; }
  .sd-page .sd-myth { grid-template-columns: 1fr; gap: 12px; }
  .sd-page .sd-myth-num { font-size: 2.5rem !important; }
  .sd-page .sd-step { padding: 20px 22px; }
  .sd-page .sd-step-title { min-width: 0; }
  .sd-page .sd-cta { margin: 40px 16px; padding: 40px 20px; }
  .sd-page .sd-cta-btns { display: flex; }
  .sd-page .sd-cta-btns .sd-btn { width: 100%; justify-content: center; }
}