/* ============================================================
   피트니스 경영 연구소 — 컨설팅 랜딩
   톤앤매너: fitness-research-reveal / consulting-reveal 계승
   (Navy base / White text / Gold accent)
   ============================================================ */

/* --- Paperlogy (fonts-archive/Paperlogy @ jsdelivr) --- */
@font-face {
  font-family: "Paperlogy";
  font-weight: 400;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-4Regular.woff2") format("woff2");
}
@font-face {
  font-family: "Paperlogy";
  font-weight: 600;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-6SemiBold.woff2") format("woff2");
}
@font-face {
  font-family: "Paperlogy";
  font-weight: 700;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-7Bold.woff2") format("woff2");
}
@font-face {
  font-family: "Paperlogy";
  font-weight: 800;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-8ExtraBold.woff2") format("woff2");
}
@font-face {
  font-family: "Paperlogy";
  font-weight: 900;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-9Black.woff2") format("woff2");
}

/* ============================================================
   Tokens — 강의안 팔레트 그대로 계승
   ============================================================ */
:root {
  --navy-900: #0F1A3E;
  --navy-800: #14204A;
  --navy-700: #1A2A5E;
  --navy-600: #233670;

  --gold-500: #C9A961;
  --gold-400: #D8BC7E;
  --gold-300: #E6D4A8;

  --blue-500: #4DABF7;

  --white:    #FFFFFF;
  --white-80: rgba(255, 255, 255, 0.80);
  --white-60: rgba(255, 255, 255, 0.60);
  --white-40: rgba(255, 255, 255, 0.40);
  --white-10: rgba(255, 255, 255, 0.10);
  --white-06: rgba(255, 255, 255, 0.06);

  --font-display: "Paperlogy", "Pretendard Variable", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-kr:      "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-en:      "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-script:  "Dancing Script", cursive;

  --space-xs: 6px;
  --space-sm: 12px;
  --space-md: 18px;
  --space-lg: 28px;
  --space-xl: 44px;
  --space-2xl: 72px;

  --wrap: 1120px;
  --radius: 12px;
}

/* ============================================================
   Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--navy-900);
  color: var(--white);
  font-family: var(--font-kr);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  line-height: 1.2;
  text-wrap: balance;
  margin: 0;
}

/* 한글은 어절 단위로만 줄바꿈 — 낱글자 고아 방지 */
h1, h2, h3, h4, p, li, dd, .item, .spine-author {
  word-break: keep-all;
  overflow-wrap: anywhere;
}

p { margin: 0; }

a { color: inherit; }

img { max-width: 100%; display: block; }

em {
  font-style: normal;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--gold-400);
}

:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================================
   Layout primitives
   ============================================================ */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.section {
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--white-10);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.label {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.label.blue { color: var(--blue-500); }

.section-head h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 800;
}

.section-head .lede {
  color: var(--white-60);
  font-size: 1rem;
  max-width: 62ch;
}

.title-bar {
  width: 72px;
  height: 3px;
  background: var(--gold-500);
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 26, 62, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--white-10);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-sm);
}

.brand img { height: 26px; width: auto; }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-size: 0.9rem;
  color: var(--white-60);
}

.site-nav a { text-decoration: none; transition: color 0.2s; }
.site-nav a:hover { color: var(--gold-400); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn-primary {
  background: var(--gold-500);
  color: var(--navy-900);
  box-shadow: 0 8px 28px rgba(201, 169, 97, 0.22);
}

.btn-primary:hover {
  background: var(--gold-400);
  transform: translateY(-2px);
  box-shadow: 0 12px 34px rgba(201, 169, 97, 0.32);
}

.btn-ghost {
  border: 1px solid var(--white-40);
  color: var(--white);
}

.btn-ghost:hover { border-color: var(--gold-400); color: var(--gold-400); }

.btn-sm { padding: 9px 18px; font-size: 0.85rem; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(64px, 11vw, 132px);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 82% 8%, rgba(201, 169, 97, 0.14) 0%, transparent 58%),
    radial-gradient(90% 70% at 0% 100%, rgba(35, 54, 112, 0.55) 0%, transparent 60%);
  pointer-events: none;
}

.hero .wrap { position: relative; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.hero-eyebrow .rule {
  width: 34px;
  height: 1px;
  background: var(--gold-500);
}

.hero h1 {
  font-size: clamp(2.3rem, 5.4vw, 3.9rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-md);
}

.hero .sub {
  color: var(--white-80);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  max-width: 46ch;
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ============================================================
   주력 상품 카드 — 1:1 방문 컨설팅
   ============================================================ */
.offer-card {
  background: linear-gradient(165deg, var(--navy-700) 0%, var(--navy-800) 100%);
  border: 1px solid var(--gold-500);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.34), 0 0 0 1px rgba(201, 169, 97, 0.18);
}

.offer-badge {
  align-self: flex-start;
  display: inline-block;
  padding: 5px 13px;
  border-radius: 999px;
  background: var(--gold-500);
  color: var(--navy-900);
  font-family: var(--font-en);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.offer-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.offer-head h2 {
  font-size: 1.65rem;
  font-weight: 800;
}

.offer-head .scope { font-size: 0.9rem; color: var(--white-60); }

.offer-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-block: var(--space-sm);
  border-top: 1px solid var(--white-10);
  border-bottom: 1px solid var(--white-10);
}

.offer-price .amount {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--gold-400);
  font-variant-numeric: tabular-nums;
}

.offer-price .basis { font-size: 0.85rem; color: var(--white-60); }

.offer-card .btn { justify-content: center; }

.offer-note { font-size: 0.78rem; color: var(--white-40); }

/* 히어로 — 대상 카드 */
.target-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-bottom: var(--space-md);
  border-bottom: 1px dashed var(--white-10);
}

.target-item:last-of-type { border-bottom: none; padding-bottom: 0; }

.target-item strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--gold-400);
}

.target-item span { font-size: 0.9rem; color: var(--white-80); line-height: 1.5; }

.offer-meta {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--white-60);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--white-10);
}

/* ============================================================
   고민 — 스토리 구간
   ============================================================ */
.worry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.worry-card {
  background: var(--navy-800);
  border: 1px solid var(--white-10);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.worry-card:hover {
  border-color: rgba(201, 169, 97, 0.45);
  transform: translateY(-3px);
}

.worry-card .domain {
  font-family: var(--font-en);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.worry-card .q {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.32rem;
  line-height: 1.35;
  letter-spacing: -0.025em;
  color: var(--white);
}

.worry-card .q::before {
  content: "“";
  color: var(--gold-500);
  margin-right: 2px;
}

.worry-card .q::after {
  content: "”";
  color: var(--gold-500);
  margin-left: 1px;
}

.worry-card .a {
  font-size: 0.92rem;
  color: var(--white-60);
  line-height: 1.6;
  padding-top: var(--space-xs);
  border-top: 1px solid var(--white-10);
}

/* ============================================================
   진행 방식 밴드
   ============================================================ */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.how-cell {
  background: var(--white-06);
  border: 1px solid var(--white-10);
  border-top: 3px solid var(--gold-500);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.how-cell h3 { font-size: 1.1rem; font-weight: 800; }
.how-cell p { font-size: 0.9rem; color: var(--white-60); line-height: 1.6; }

/* ============================================================
   그 외 과목 — 칩 목록 (가격 미표기)
   ============================================================ */
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  list-style: none;
  margin: 0;
  padding: 0;
}

.chip-list li {
  padding: 9px 16px;
  border: 1px solid var(--white-10);
  border-radius: 999px;
  background: var(--white-06);
  font-size: 0.88rem;
  color: var(--white-80);
}

/* 판권면(콜로폰) — 저자 소개를 책 판권처럼 */
.colophon {
  background: var(--navy-800);
  border: 1px solid var(--white-10);
  border-top: 3px solid var(--gold-500);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: minmax(200px, 260px) 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.colophon-name {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.colophon-name strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.9rem;
  letter-spacing: -0.02em;
}

.colophon-name span {
  font-size: 0.85rem;
  color: var(--white-60);
}

.colophon dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px var(--space-md);
  font-size: 0.9rem;
}

.colophon dt {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-500);
  padding-top: 4px;
  white-space: nowrap;
}

.colophon dd {
  margin: 0;
  color: var(--white-80);
  line-height: 1.5;
}

/* ============================================================
   Stats
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.stat-cell {
  background: var(--white-06);
  border: 1px solid var(--white-10);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stat-cell .num {
  font-family: var(--font-en);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  color: var(--gold-500);
  font-variant-numeric: tabular-nums;
}

.stat-cell .num small {
  font-family: var(--font-kr);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white-60);
  margin-left: 4px;
}

.stat-cell .cap { font-size: 0.9rem; color: var(--white-60); }

/* ============================================================
   책등(Spine) 서가 — 출간 레퍼런스
   ============================================================ */
.shelf {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
  padding-bottom: var(--space-md);
  border-bottom: 3px solid var(--gold-500);
}

.spine {
  flex: 1 1 62px;
  min-width: 62px;
  height: 268px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(100deg, var(--navy-700) 0%, var(--navy-600) 100%);
  border: 1px solid var(--white-10);
  border-bottom: none;
  padding: var(--space-md) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  position: relative;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

/* 책등 안쪽 금박 라인 */
.spine::before,
.spine::after {
  content: "";
  position: absolute;
  left: 7px;
  right: 7px;
  height: 1px;
  background: var(--gold-500);
  opacity: 0.5;
}

.spine::before { top: 10px; }
.spine::after  { bottom: 10px; }

.spine:hover {
  transform: translateY(-10px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.42);
}

.spine .spine-author {
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-height: 190px;
}

.spine .spine-mark {
  font-family: var(--font-en);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold-500);
}

.shelf-note {
  margin-top: var(--space-md);
  font-size: 0.85rem;
  color: var(--white-40);
}

/* ============================================================
   컨설팅 메뉴
   ============================================================ */
.menu-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.menu-card {
  background: var(--navy-800);
  border: 1px solid var(--white-10);
  border-top: 3px solid var(--gold-500);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.menu-card.blue-top { border-top-color: var(--blue-500); }

.menu-card-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--white-10);
}

.menu-card-head h3 {
  font-size: 1.25rem;
  font-weight: 800;
}

.menu-card-head .who { font-size: 0.85rem; color: var(--white-60); }

.price-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.price-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-md);
  align-items: baseline;
  padding-bottom: var(--space-sm);
  border-bottom: 1px dashed var(--white-10);
}

.price-row:last-child { border-bottom: none; padding-bottom: 0; }

/* 주력 과목 — 목록 안에서 한 줄만 골드로 세움 */
.price-row.featured {
  position: relative;
  background: rgba(201, 169, 97, 0.09);
  border: 1px solid rgba(201, 169, 97, 0.45);
  border-radius: 8px;
  padding: var(--space-sm) var(--space-md);
  margin-inline: calc(var(--space-sm) * -1);
}

.price-row.featured .item { font-weight: 700; }
.price-row.featured .price { font-size: 1.2rem; }

.price-row .flag {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--gold-500);
  color: var(--navy-900);
  font-family: var(--font-en);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  vertical-align: 2px;
}

/* 대표 그룹 카드 강조 */
.menu-card.lead {
  border-color: rgba(201, 169, 97, 0.5);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
}

.price-row .item {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.45;
}

.price-row .item .desc {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--white-40);
  margin-top: 2px;
}

.price-row .price {
  font-family: var(--font-en);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--gold-400);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.price-row .price.ask {
  font-family: var(--font-kr);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white-60);
}

.menu-note {
  font-size: 0.8rem;
  color: var(--white-40);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--white-10);
}

/* ============================================================
   북 컨설팅 — 축소 밴드
   ============================================================ */
.book-band {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-lg);
  align-items: center;
  background: var(--navy-800);
  border: 1px solid var(--white-10);
  border-left: 3px solid var(--blue-500);
  border-radius: var(--radius);
  padding: var(--space-lg);
}

.book-band .step-count {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.book-band .step-count .big {
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  color: var(--blue-500);
}

.book-band .step-count .unit {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white-60);
}

.book-band .band-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.book-band h3 { font-size: 1.15rem; font-weight: 800; }
.book-band p { font-size: 0.9rem; color: var(--white-60); }

/* ============================================================
   북 컨설팅 프로세스 (미사용 — 확장 시 복원)
   ============================================================ */
.process {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  background: var(--navy-800);
  border: 1px solid var(--white-10);
  border-radius: var(--radius);
  padding: var(--space-xl);
}

.process-stat {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.process-stat .big {
  font-family: var(--font-en);
  font-size: 4.4rem;
  font-weight: 800;
  line-height: 1;
  color: var(--gold-500);
}

.process-stat .unit {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

.process-copy { color: var(--white-80); font-size: 0.98rem; }

.process-copy + .process-copy { margin-top: var(--space-sm); }

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.check-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.95rem;
  color: var(--white-80);
  line-height: 1.55;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold-500);
  font-weight: 700;
}

/* ============================================================
   후기
   ============================================================ */
.reviews {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.review {
  background: var(--white-06);
  border: 1px solid var(--white-10);
  border-left: 3px solid var(--gold-500);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.review .kind {
  font-family: var(--font-en);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.review .title { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.review .by { font-size: 0.85rem; color: var(--white-60); }

/* ============================================================
   CTA
   ============================================================ */
.cta {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-block: var(--space-2xl);
  background:
    radial-gradient(90% 130% at 50% 0%, rgba(201, 169, 97, 0.16) 0%, transparent 62%),
    var(--navy-800);
  border-top: 1px solid var(--white-10);
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.cta h2 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 900;
}

.cta .lede { color: var(--white-60); max-width: 52ch; }

.cta .watermark {
  position: absolute;
  right: -2%;
  bottom: -26%;
  font-family: var(--font-script);
  font-weight: 500;
  font-size: clamp(5rem, 14vw, 11rem);
  color: var(--white-06);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  line-height: 1;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  padding-block: var(--space-xl);
  border-top: 1px solid var(--white-10);
}

.site-footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.site-footer img { height: 24px; width: auto; opacity: 0.75; }

.site-footer .meta { font-size: 0.82rem; color: var(--white-40); }

/* 최하단 띠 */
.footer-bar {
  border-top: 1px solid var(--white-10);
  background: rgba(0, 0, 0, 0.22);
}

.footer-bar .wrap {
  display: block;
  padding-block: var(--space-md);
  text-align: center;
}

.footer-bar .meta {
  font-size: 0.8rem;
  color: var(--white-40);
  letter-spacing: 0.01em;
}

/* 하단 소셜 링크 */
.footer-social {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--white-80);
  text-decoration: none;
  transition: color 0.2s ease;
}

.social-link:hover { color: var(--gold-400); }

.social-link svg {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  color: var(--gold-500);
  transition: color 0.2s ease;
}

.social-link:hover svg { color: var(--gold-400); }

.social-link .handle {
  font-family: var(--font-en);
  font-size: 0.78rem;
  color: var(--white-40);
}

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-up.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
  .reveal-up { opacity: 1; transform: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .menu-groups { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; gap: var(--space-lg); padding: var(--space-lg); }
  .reviews { grid-template-columns: 1fr; }
  .colophon { grid-template-columns: 1fr; gap: var(--space-md); }
  .book-band { grid-template-columns: 1fr; gap: var(--space-md); }
  .worry-grid { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr; }
  .site-nav { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .stats { grid-template-columns: 1fr; }
  .spine { height: 210px; flex-basis: 48px; min-width: 48px; }
  .spine .spine-author { font-size: 0.82rem; max-height: 140px; }
  .section { padding-block: var(--space-xl); }
  :root { --space-2xl: 52px; }
}