/* ═══════════════════════════════════════════════════════════════════
   루나 사이언스 Vol.01 — 물 한 방울이 비가 되기까지
   월간 루나웨일 magazine.css 디자인 시스템 재사용 + 사이언스 그린 강조
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --sci-green: #3FAF46;
  --sci-green-light: #7FFF8A;
  --sci-green-deep: #2A7A30;
  --sci-blue: #5BA8E8;
  --sci-blue-deep: #2C6BA8;
}

/* ─── P.01 표지 ─────────────────────────────────────────── */
.p01 {
  background:
    radial-gradient(ellipse at 50% 35%, rgba(127, 255, 138, 0.10) 0%, transparent 60%),
    var(--mag-paper);
  position: relative;
  overflow: hidden;
}

.p01-mast {
  position: absolute;
  top: 28px;
  left: 28px;
  right: 28px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  z-index: 5;
}

.p01-mast-title {
  font-family: var(--mag-font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--mag-indigo);
  letter-spacing: -0.01em;
  line-height: 1;
}
.p01-mast-title small {
  display: block;
  font-family: var(--mag-font-mono);
  font-size: 8px;
  letter-spacing: 0.32em;
  font-weight: 600;
  color: var(--sci-green-deep);
  margin-top: 6px;
  text-transform: uppercase;
}

.p01-issue-tag {
  text-align: right;
  font-family: var(--mag-font-mono);
  font-size: 8.5px;
  letter-spacing: 0.18em;
}
.p01-issue-tag .vol {
  color: var(--mag-ink-mute);
  text-transform: uppercase;
}
.p01-issue-tag .num {
  font-family: var(--mag-font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--sci-green);
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 4px 0 2px;
}
.p01-issue-tag .date {
  color: var(--mag-ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.p01-visual {
  position: absolute;
  top: 95px;
  left: 50%;
  transform: translateX(-50%);
  width: 92%;
  aspect-ratio: 1 / 1;
  max-height: 480px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(63, 175, 70, 0.18);
}
.p01-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.p01-headline {
  position: absolute;
  bottom: 110px;
  left: 28px;
  right: 28px;
  font-family: var(--mag-font-display);
  font-size: 36px;
  line-height: 1.05;
  font-weight: 800;
  color: var(--mag-indigo);
  letter-spacing: -0.03em;
  z-index: 5;
}
.p01-headline em {
  font-style: italic;
  color: var(--sci-green);
}

.p01-deck {
  position: absolute;
  bottom: 60px;
  left: 28px;
  right: 28px;
  font-family: var(--mag-font-serif);
  font-size: 11px;
  font-style: italic;
  color: var(--mag-ink-mute);
  line-height: 1.5;
}

.p01-foot {
  position: absolute;
  bottom: 24px;
  left: 28px;
  right: 28px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mag-font-mono);
  font-size: 7.5px;
  letter-spacing: 0.25em;
  color: var(--mag-ink-mute);
  text-transform: uppercase;
}

/* ─── P.02 에디터의 편지 + 목차 ─────────────────────────── */
.p02 { background: var(--mag-paper); }

.p02-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 28px;
  height: 100%;
}

.p02-letter-eyebrow {
  font-family: var(--mag-font-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  font-weight: 700;
  color: var(--sci-green-deep);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.p02-letter h2 {
  font-family: var(--mag-font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--mag-indigo);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.p02-letter-body {
  font-family: var(--mag-font-sans);
  font-size: 10.5px;
  line-height: 1.7;
  color: var(--mag-ink);
}
.p02-letter-body p { margin: 0 0 8px; word-break: keep-all; text-align: justify; }
.p02-letter-body p strong { color: var(--sci-green-deep); font-weight: 700; }

.p02-sign {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--mag-line);
  font-family: var(--mag-font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--mag-indigo);
  font-style: italic;
}
.p02-sign small {
  display: block;
  margin-top: 2px;
  font-family: var(--mag-font-mono);
  font-size: 8px;
  letter-spacing: 0.2em;
  color: var(--mag-ink-mute);
  font-style: normal;
  font-weight: 600;
  text-transform: uppercase;
}

.p02-toc-eyebrow {
  font-family: var(--mag-font-display);
  font-size: 56px;
  font-weight: 800;
  color: var(--mag-indigo);
  line-height: 1;
  margin: 0 0 4px;
  letter-spacing: -0.04em;
}
.p02-toc-eyebrow small {
  display: block;
  font-family: var(--mag-font-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--mag-ink-mute);
  margin-top: 6px;
  font-weight: 600;
  text-transform: uppercase;
}

.p02-toc-list {
  margin-top: 18px;
  list-style: none;
  padding: 0;
}
.p02-toc-list li { margin: 0; padding: 0; }
.p02-toc-item {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  align-items: center;
  column-gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--mag-line);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.p02-toc-num {
  font-family: var(--mag-font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--sci-green-deep);
  font-variant-numeric: tabular-nums;
}
.p02-toc-content {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}
.p02-toc-cat {
  font-family: var(--mag-font-mono);
  font-size: 7.5px;
  letter-spacing: 0.25em;
  font-weight: 700;
  color: var(--sci-green);
  text-transform: uppercase;
}
.p02-toc-title {
  font-family: var(--mag-font-serif);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--mag-ink);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.p02-toc-page {
  font-family: var(--mag-font-display);
  font-size: 11px;
  font-weight: 600;
  color: var(--mag-ink-mute);
}

/* ─── P.03–04 메인 인포그래픽 ─────────────────────────── */
.p03, .p04 {
  background: var(--mag-paper);
  position: relative;
  overflow: hidden;
}
.p03-bg, .p04-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.p03-bg img, .p04-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
}
.p03 .mag-page-inner, .p04 .mag-page-inner {
  position: relative;
  z-index: 1;
}

.p03-eyebrow, .p04-eyebrow {
  font-family: var(--mag-font-mono);
  font-size: 9px;
  letter-spacing: 0.32em;
  font-weight: 700;
  color: var(--sci-green-deep);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.p03-headline {
  font-family: var(--mag-font-display);
  font-size: 38px;
  line-height: 1.05;
  font-weight: 800;
  color: var(--mag-indigo);
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}
.p03-headline em {
  font-style: italic;
  color: var(--sci-green);
}
.p03-deck {
  font-family: var(--mag-font-serif);
  font-size: 12px;
  font-style: italic;
  color: var(--mag-ink-mute);
  line-height: 1.55;
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 2px solid var(--sci-green);
}

.p03-stages {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}
.p03-stage {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  background: rgba(245, 240, 232, 0.6);
  border-left: 3px solid var(--sci-green);
  border-radius: 3px;
}
.p03-stage-num {
  font-family: var(--mag-font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--sci-green-deep);
  line-height: 1;
}
.p03-stage-name {
  font-family: var(--mag-font-serif);
  font-size: 12px;
  font-weight: 700;
  color: var(--mag-indigo);
}
.p03-stage-desc {
  font-family: var(--mag-font-sans);
  font-size: 9.5px;
  color: var(--mag-ink-soft);
  line-height: 1.5;
}

.p04-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.p04-stat {
  background: linear-gradient(135deg, rgba(63, 175, 70, 0.08) 0%, rgba(245, 240, 232, 0.5) 100%);
  border-top: 3px solid var(--sci-green);
  border-radius: 4px;
  padding: 10px 12px;
}
.p04-stat-num {
  font-family: var(--mag-font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--mag-indigo);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 4px;
}
.p04-stat-num small {
  font-size: 14px;
  color: var(--sci-green-deep);
  margin-left: 1px;
}
.p04-stat-label {
  font-family: var(--mag-font-sans);
  font-size: 9px;
  line-height: 1.4;
  color: var(--mag-ink-soft);
}
.p04-quote {
  margin-top: 14px;
  padding: 12px 14px;
  background: linear-gradient(135deg, var(--mag-indigo) 0%, var(--mag-indigo-light) 100%);
  color: var(--mag-cream);
  border-radius: 4px;
  font-family: var(--mag-font-serif);
  font-size: 12px;
  font-style: italic;
  line-height: 1.55;
}
.p04-quote em {
  color: var(--sci-green-light);
  font-style: italic;
  font-weight: 600;
}

/* ─── 챕터 공통 (P.05-18) ──────────────────────────────── */
.psci-img-page {
  background: var(--mag-paper);
  position: relative;
  overflow: hidden;
}
.psci-img-page img.psci-hero {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.psci-img-page .psci-tag {
  position: relative;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 240, 232, 0.92);
  color: var(--sci-green-deep);
  padding: 6px 14px;
  border-radius: 100px;
  font-family: var(--mag-font-mono);
  font-size: 9px;
  letter-spacing: 0.28em;
  font-weight: 700;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}
.psci-img-page .psci-caption {
  position: absolute;
  bottom: 18px;
  left: 18px;
  right: 18px;
  z-index: 5;
  font-family: var(--mag-font-serif);
  font-size: 11px;
  font-style: italic;
  color: var(--mag-cream);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.55);
}

.psci-text-page {
  background: var(--mag-paper);
  position: relative;
  overflow: hidden;
}
.psci-text-page .psci-eyebrow {
  font-family: var(--mag-font-mono);
  font-size: 8.5px;
  letter-spacing: 0.3em;
  font-weight: 700;
  color: var(--sci-green-deep);
  text-transform: uppercase;
  padding-bottom: 5px;
  border-bottom: 1.5px solid var(--sci-green);
  width: max-content;
  margin-bottom: 12px;
}
.psci-text-page h2 {
  font-family: var(--mag-font-display);
  font-size: 26px;
  line-height: 1.1;
  font-weight: 800;
  color: var(--mag-indigo);
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.psci-text-page h2 em {
  font-style: italic;
  color: var(--sci-green);
}
.psci-text-page .psci-deck {
  font-family: var(--mag-font-serif);
  font-size: 11.5px;
  font-style: italic;
  color: var(--mag-ink-mute);
  line-height: 1.55;
  margin: 0 0 12px;
  padding-left: 10px;
  border-left: 2px solid var(--sci-green);
}
.psci-text-page .psci-body p {
  font-family: var(--mag-font-sans);
  font-size: 10px;
  line-height: 1.7;
  color: var(--mag-ink);
  margin: 0 0 8px;
  text-align: justify;
  word-break: keep-all;
}
.psci-text-page .psci-body p strong {
  color: var(--sci-green-deep);
  font-weight: 700;
}

/* 챕터 보조 박스 — 통계·표·인용 */
.psci-box {
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(63, 175, 70, 0.08);
  border-left: 3px solid var(--sci-green);
  border-radius: 3px;
  font-family: var(--mag-font-sans);
  font-size: 9.5px;
  line-height: 1.55;
  color: var(--mag-ink);
}
.psci-box strong {
  display: block;
  font-family: var(--mag-font-mono);
  font-size: 8px;
  letter-spacing: 0.25em;
  color: var(--sci-green-deep);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.psci-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-family: var(--mag-font-sans);
  font-size: 9.5px;
}
.psci-table th, .psci-table td {
  padding: 5px 8px;
  text-align: left;
  border-bottom: 1px solid var(--mag-line);
}
.psci-table th {
  font-family: var(--mag-font-mono);
  font-size: 8px;
  letter-spacing: 0.18em;
  color: var(--sci-green-deep);
  font-weight: 700;
  text-transform: uppercase;
  border-bottom: 1.5px solid var(--sci-green);
}
.psci-table td.num {
  font-family: var(--mag-font-display);
  font-weight: 700;
  color: var(--mag-indigo);
}

.psci-pullquote {
  margin: 12px 0;
  padding: 10px 14px 10px 30px;
  position: relative;
  background: var(--mag-cream);
  border-left: 3px solid var(--sci-green);
  font-family: var(--mag-font-serif);
  font-size: 12px;
  font-style: italic;
  line-height: 1.5;
  color: var(--mag-ink);
  border-radius: 0 3px 3px 0;
}
.psci-pullquote::before {
  content: '"';
  position: absolute;
  top: -2px;
  left: 8px;
  font-family: var(--mag-font-display);
  font-size: 36px;
  color: var(--sci-green);
  line-height: 1;
}
.psci-pullquote small {
  display: block;
  margin-top: 4px;
  font-family: var(--mag-font-mono);
  font-size: 7.5px;
  letter-spacing: 0.18em;
  color: var(--mag-ink-mute);
  text-transform: uppercase;
  font-style: normal;
}

/* P.13-14 두 극단 spread */
.psci-extreme-tag {
  display: inline-block;
  font-family: var(--mag-font-mono);
  font-size: 8px;
  letter-spacing: 0.3em;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.psci-extreme-tag.drought { background: var(--mag-rust); color: var(--mag-cream); }
.psci-extreme-tag.flood   { background: var(--sci-blue-deep); color: var(--mag-cream); }

/* P.15-16 데이터 + 행동 */
.psci-data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}
.psci-data-card {
  background: var(--mag-cream);
  border-top: 3px solid var(--sci-green);
  border-radius: 4px;
  padding: 8px 10px;
}
.psci-data-num {
  font-family: var(--mag-font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--mag-indigo);
  line-height: 1;
  letter-spacing: -0.03em;
}
.psci-data-num small {
  font-size: 11px;
  color: var(--sci-green-deep);
}
.psci-data-label {
  font-family: var(--mag-font-sans);
  font-size: 9px;
  line-height: 1.4;
  color: var(--mag-ink-soft);
  margin-top: 3px;
}

.psci-action {
  margin-top: 14px;
  padding: 12px 14px;
  background: linear-gradient(135deg, var(--mag-indigo) 0%, var(--mag-indigo-light) 100%);
  color: var(--mag-cream);
  border-radius: 4px;
}
.psci-action-title {
  font-family: var(--mag-font-mono);
  font-size: 9px;
  letter-spacing: 0.28em;
  font-weight: 700;
  color: var(--sci-green-light);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.psci-action ol {
  list-style: none;
  counter-reset: pa;
  margin: 0;
  padding: 0;
}
.psci-action li {
  counter-increment: pa;
  padding: 4px 0 4px 22px;
  position: relative;
  font-family: var(--mag-font-sans);
  font-size: 9.5px;
  line-height: 1.5;
  color: rgba(245, 240, 232, 0.95);
}
.psci-action li::before {
  content: counter(pa, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 4px;
  font-family: var(--mag-font-display);
  font-size: 11px;
  font-weight: 800;
  color: var(--sci-green-light);
}

/* P.17-18 5분 실험 */
.psci-exp-steps {
  margin-top: 12px;
}
.psci-exp-step {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px dashed var(--mag-line);
  align-items: start;
}
.psci-exp-step:last-child { border-bottom: 0; }
.psci-exp-step-num {
  font-family: var(--mag-font-display);
  font-size: 14px;
  font-weight: 800;
  color: var(--sci-green);
  line-height: 1.2;
}
.psci-exp-step-body strong {
  font-family: var(--mag-font-serif);
  font-size: 10.5px;
  font-weight: 700;
  color: var(--mag-indigo);
  display: block;
  margin-bottom: 2px;
}
.psci-exp-step-body p {
  font-family: var(--mag-font-sans);
  font-size: 9px;
  line-height: 1.5;
  color: var(--mag-ink-soft);
  margin: 0;
}

/* P.19 책장 */
.psci-shelf-section {
  margin-bottom: 14px;
}
.psci-shelf-title {
  font-family: var(--mag-font-mono);
  font-size: 9px;
  letter-spacing: 0.28em;
  font-weight: 700;
  color: var(--sci-green-deep);
  text-transform: uppercase;
  padding-bottom: 4px;
  border-bottom: 1.5px solid var(--sci-green);
  margin-bottom: 8px;
}
.psci-shelf-item {
  padding: 6px 0;
  border-bottom: 1px dashed var(--mag-line);
}
.psci-shelf-item:last-child { border-bottom: 0; }
.psci-shelf-item strong {
  display: block;
  font-family: var(--mag-font-serif);
  font-size: 11px;
  font-weight: 700;
  color: var(--mag-indigo);
  margin-bottom: 1px;
}
.psci-shelf-item small {
  display: block;
  font-family: var(--mag-font-mono);
  font-size: 7.5px;
  letter-spacing: 0.16em;
  color: var(--mag-ink-mute);
  text-transform: uppercase;
  margin-bottom: 3px;
}
.psci-shelf-item p {
  font-family: var(--mag-font-sans);
  font-size: 9px;
  line-height: 1.5;
  color: var(--mag-ink-soft);
  margin: 0;
}

/* P.20 콜로폰 */
.p20 { background: linear-gradient(180deg, var(--mag-paper) 0%, var(--mag-cream) 100%); }
.p20-mast {
  text-align: center;
  margin-bottom: 18px;
}
.p20-mast small {
  font-family: var(--mag-font-mono);
  font-size: 9px;
  letter-spacing: 0.4em;
  color: var(--sci-green-deep);
  font-weight: 700;
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
}
.p20-mast h2 {
  font-family: var(--mag-font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--mag-indigo);
  letter-spacing: -0.02em;
  margin: 0;
}
.p20-readers {
  padding: 14px 16px;
  background: var(--mag-cream);
  border-radius: 4px;
  margin-bottom: 14px;
}
.p20-readers-title {
  font-family: var(--mag-font-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--sci-green-deep);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.p20-readers p {
  font-family: var(--mag-font-serif);
  font-size: 11px;
  line-height: 1.6;
  color: var(--mag-ink);
  margin: 0;
}
.p20-colophon {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--mag-line);
  font-family: var(--mag-font-mono);
  font-size: 8px;
  letter-spacing: 0.18em;
  color: var(--mag-ink-mute);
  line-height: 1.7;
}
.p20-colophon dt {
  display: inline-block;
  width: 70px;
  text-transform: uppercase;
  color: var(--mag-ink-mute);
}
.p20-colophon dd {
  display: inline;
  color: var(--mag-ink);
  margin: 0;
}
.p20-colophon dd::after {
  content: '\A';
  white-space: pre;
}
.p20-thanks {
  text-align: center;
  margin-top: 14px;
  font-family: var(--mag-font-serif);
  font-size: 11px;
  font-style: italic;
  color: var(--sci-green-deep);
}