/* 사주집 (sajujip.com) — design tokens & shared styles
   Genre: editorial + traditional ink-wash. Anchor hue: deep indigo ink. Accent: muted gold/ochre.
*/

@import url('https://fonts.googleapis.com/css2?family=Song+Myung&family=Noto+Sans+KR:wght@400;500;600;700;900&display=swap');

:root {
  /* color */
  --ink: oklch(24% 0.045 262);
  --ink-soft: oklch(38% 0.035 262);
  --ink-faint: oklch(58% 0.02 262);
  --paper: oklch(96.5% 0.018 85);
  --paper-deep: oklch(92.5% 0.028 80);
  --paper-line: oklch(85% 0.03 78);
  --accent: oklch(62% 0.135 58);
  --accent-deep: oklch(48% 0.13 48);
  --accent-soft: oklch(90% 0.05 70);
  --white: oklch(99% 0.005 90);

  /* five-element colors (used sparingly, in charts only) */
  --el-wood: oklch(58% 0.11 150);
  --el-fire: oklch(58% 0.16 30);
  --el-earth: oklch(62% 0.09 80);
  --el-metal: oklch(75% 0.02 90);
  --el-water: oklch(45% 0.09 250);

  /* type */
  --font-display: 'Song Myung', 'Noto Serif KR', serif;
  --font-body: 'Noto Sans KR', -apple-system, sans-serif;

  /* space (4px scale) */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;

  --radius: 2px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { overflow-x: clip; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.3;
  margin: 0 0 var(--space-sm);
}
h1 { font-size: clamp(32px, 5vw, 52px); }
h2 { font-size: clamp(24px, 3.2vw, 34px); }
h3 { font-size: 20px; }
p { margin: 0 0 var(--space-sm); color: var(--ink-soft); }
a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ---------- masthead (traditional signboard nav, asymmetric) ---------- */
.masthead {
  border-bottom: 3px double var(--ink);
  background: var(--paper);
  padding: var(--space-md) 0 var(--space-xs);
}
.masthead .wrap {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.brand {
  font-family: var(--font-display);
  font-size: 30px;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.brand .seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-deep);
  color: var(--white);
  font-size: 14px;
  font-family: var(--font-body);
  font-weight: 700;
  transform: translateY(2px);
}
.masthead nav {
  display: flex;
  gap: var(--space-md);
  font-size: 15px;
}
.masthead nav a {
  text-decoration: none;
  color: var(--ink-soft);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.3s var(--ease-out), color 0.3s var(--ease-out);
}
.masthead nav a:hover, .masthead nav a.active {
  color: var(--ink);
  border-color: var(--accent);
}

/* ---------- page intro (kicker line, no marketing hero) ---------- */
.intro-strip {
  padding: var(--space-lg) 0 var(--space-sm);
  border-bottom: 1px solid var(--paper-line);
}
.intro-strip .kicker {
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--accent-deep);
  font-weight: 700;
  margin-bottom: 6px;
}
.intro-strip h1 {
  max-width: 34ch;
}
.intro-strip .lede {
  font-size: 17px;
  max-width: 62ch;
  color: var(--ink-soft);
}

/* ---------- quick-nav icon row ---------- */
.quick-nav {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  flex-wrap: wrap;
}
.quick-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--ink);
  width: 96px;
  text-align: center;
}
.quick-nav img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  transition: transform 0.25s var(--ease-out);
}
.quick-nav a:hover img { transform: translateY(-3px); }
.quick-nav span {
  font-size: 13px;
  font-weight: 600;
}

/* ---------- index page: text-link index instead of icon cards ---------- */
.index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}
.index-list li {
  border-bottom: 1px solid var(--paper-line);
}
.index-list a {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  padding: var(--space-md) 4px;
  text-decoration: none;
  color: var(--ink);
}
.index-list a:hover .idx-title { color: var(--accent-deep); }
.index-list .idx-no {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--ink-faint);
  width: 2ch;
  flex-shrink: 0;
}
.index-list .idx-title {
  font-family: var(--font-display);
  font-size: 22px;
  flex-shrink: 0;
  transition: color 0.25s var(--ease-out);
}
.index-list .idx-desc {
  font-size: 14px;
  color: var(--ink-faint);
  flex: 1;
  text-align: right;
}
@media (max-width: 600px) {
  .index-list a { flex-wrap: wrap; }
  .index-list .idx-desc { text-align: left; width: 100%; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}
.btn:hover { background: var(--accent-deep); transform: translateY(-1px); }
.btn.secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn.secondary:hover { background: var(--ink); color: var(--white); }

/* ---------- tool cards (varied sizes, not uniform icon-tiles) ---------- */
.tool-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-md);
  padding: var(--space-xl) 0;
}
.tool-card {
  background: var(--white);
  border: 1px solid var(--paper-line);
  padding: var(--space-lg) var(--space-md);
  text-decoration: none;
  color: var(--ink);
  transition: box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.tool-card:hover { box-shadow: 6px 6px 0 var(--paper-deep); transform: translate(-2px, -2px); }
.tool-card .num { font-family: var(--font-display); font-size: 14px; color: var(--accent-deep); }
.tool-card h3 { margin-top: var(--space-xs); }
.tool-card p { font-size: 15px; margin-bottom: 0; }
.tool-row .tool-card:first-child { grid-row: span 1; }

/* ---------- section ---------- */
.section { padding: var(--space-xl) 0; }
.section.alt { background: var(--paper-deep); }
.section-head { max-width: 60ch; margin-bottom: var(--space-lg); }

/* ---------- form (calculator) ---------- */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: start;
}
@media (max-width: 860px) {
  .calc-layout, .hero .wrap, .tool-row { grid-template-columns: 1fr; }
}

.field-group { margin-bottom: var(--space-md); }
.field-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.field-row { display: flex; gap: var(--space-xs); flex-wrap: wrap; }
input[type="number"], input[type="date"], select {
  font-family: var(--font-body);
  font-size: 16px;
  padding: 12px 14px;
  border: 1.5px solid var(--paper-line);
  background: var(--white);
  color: var(--ink);
  border-radius: var(--radius);
}
input[type="number"] { width: 90px; }
.field-row select { min-width: 84px; flex: 1; cursor: pointer; }
.radio-group { display: flex; gap: var(--space-md); }
.radio-group label { display: flex; align-items: center; gap: 6px; font-weight: 400; font-size: 15px; color: var(--ink); }

.result-panel {
  background: var(--white);
  border: 1px solid var(--paper-line);
  padding: var(--space-lg);
  min-height: 200px;
}
.result-panel.empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-size: 15px;
  text-align: center;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: var(--space-md);
}
.pillar {
  text-align: center;
  border: 1px solid var(--paper-line);
  padding: var(--space-sm) 6px;
  background: var(--paper);
}
.pillar .label { font-size: 12px; color: var(--ink-faint); margin-bottom: 6px; }
.pillar .hanja { font-family: var(--font-display); font-size: 30px; line-height: 1.2; }
.pillar .hangul { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }

.element-bars { margin: var(--space-md) 0; }
.element-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 14px; }
.element-bar-row .el-name { width: 32px; flex-shrink: 0; }
.element-bar-row .bar-track { flex: 1; height: 10px; background: var(--paper-deep); border-radius: 5px; overflow: hidden; }
.element-bar-row .bar-fill { height: 100%; border-radius: 5px; }
.element-bar-row .count { width: 20px; text-align: right; color: var(--ink-faint); font-size: 13px; }

.interp-block { margin-top: var(--space-md); }
.interp-block h4 { font-family: var(--font-body); font-weight: 700; font-size: 15px; color: var(--accent-deep); margin-bottom: 6px; }
.interp-block p { font-size: 15px; }

.ad-slot {
  background: var(--paper-deep);
  border: 1px dashed var(--paper-line);
  color: var(--ink-faint);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  margin: var(--space-lg) 0;
}

.premium-cta {
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.premium-cta h4 { font-family: var(--font-display); color: var(--white); margin-bottom: 4px; font-size: 20px; }
.premium-cta p { color: oklch(85% 0.01 90); margin-bottom: 0; font-size: 14px; }

footer {
  border-top: 1px solid var(--paper-line);
  padding: var(--space-lg) 0;
  margin-top: var(--space-xl);
}
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-sm); font-size: 13px; color: var(--ink-faint); }
footer a { color: var(--ink-faint); text-decoration: none; }
footer a:hover { color: var(--ink); }
footer nav { display: flex; gap: var(--space-md); }

/* ---------- long-form article content ---------- */
.article {
  max-width: 68ch;
}
.article h2 {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 3px double var(--paper-line);
}
.article h2:first-child { margin-top: 0; border-top: none; padding-top: 0; }
.article p { font-size: 16px; }
.article .lead-para::first-letter {
  font-family: var(--font-display);
  font-size: 52px;
  float: left;
  line-height: 0.8;
  padding: 6px 8px 0 0;
  color: var(--accent-deep);
}
.article blockquote {
  margin: var(--space-lg) 0;
  padding: var(--space-sm) var(--space-lg);
  border-left: 3px solid var(--accent-deep);
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--ink);
  background: var(--paper-deep);
}

.term-list { margin: var(--space-md) 0; }
.term-list dt {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
  margin-top: var(--space-md);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.term-list dt .term-tag {
  font-size: 12px;
  font-family: var(--font-body);
  color: var(--white);
  background: var(--ink-soft);
  padding: 2px 8px;
  border-radius: 10px;
}
.term-list dd {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--ink-soft);
  padding-left: 0;
}

.faq-list { margin: var(--space-md) 0; }
.faq-item {
  border-bottom: 1px solid var(--paper-line);
  padding: var(--space-sm) 0;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-display);
  color: var(--accent-deep);
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: '\2212'; }
.faq-item p {
  margin-top: var(--space-xs);
  font-size: 15px;
}

.disclaimer {
  font-size: 12px;
  color: var(--ink-faint);
  border-top: 1px dotted var(--paper-line);
  padding-top: var(--space-sm);
  margin-top: var(--space-lg);
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

@media (max-width: 600px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .masthead .wrap { flex-direction: column; align-items: flex-start; }
  .premium-cta { flex-direction: column; align-items: flex-start; }
}