/* 도사 2000 — 공통 디자인 시스템
 * 한국 전통(먹/한지/금/주홍) + 모던 미니멀 */

:root {
  --ink: #1a1410;
  --ink-soft: #4a3829;
  --paper: #faf6ed;
  --paper-warm: #f1e8d4;
  --gold: #b8945a;
  --gold-dark: #8b6f3e;
  --crimson: #8b2222;
  --crimson-soft: #b94545;
  --border: #d9c9a7;
  --border-soft: #e8dcc0;
  --shadow: 0 2px 12px rgba(74, 56, 41, 0.08);
  --shadow-lg: 0 8px 32px rgba(74, 56, 41, 0.12);

  --font-serif: 'Noto Serif KR', 'Nanum Myeongjo', 'Batang', serif;
  --font-sans: 'Noto Sans KR', 'Malgun Gothic', sans-serif;

  --max-w: 1120px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--crimson); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Header ===== */
.site-header {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 3px solid var(--gold);
}
.site-header .wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 20px 24px;
  flex-wrap: wrap;
  gap: 16px;
}
.site-header .brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}
.site-header .brand-name {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.site-header .brand-sub {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.site-header nav {
  margin-left: auto;
  display: flex;
  gap: 4px;
}
.site-header nav a {
  color: var(--paper);
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 14px;
  transition: background 0.15s;
}
.site-header nav a:hover { background: rgba(255,255,255,0.08); text-decoration: none; }
.site-header nav a.active { background: var(--gold); color: var(--ink); }

/* ===== Main ===== */
main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 32px 24px;
}

h1, h2, h3 { font-family: var(--font-serif); color: var(--ink); font-weight: 700; }
h1 { font-size: 32px; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 0 0 16px; }
h3 { font-size: 16px; margin: 0 0 8px; }

p { margin: 0 0 12px; }

/* ===== Cards ===== */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.card h2 {
  border-bottom: 2px solid var(--gold);
  padding-bottom: 10px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card h2::before {
  content: '';
  width: 4px;
  height: 22px;
  background: var(--crimson);
  display: inline-block;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--ink) 0%, #3a2a1c 100%);
  color: var(--paper);
  border-radius: 12px;
  padding: 48px 40px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero::before {
  content: '道';
  position: absolute;
  right: -20px;
  bottom: -40px;
  font-size: 280px;
  font-family: var(--font-serif);
  color: var(--gold);
  opacity: 0.08;
  line-height: 1;
}
.hero h1 {
  color: var(--paper);
  font-size: 36px;
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}
.hero .tagline {
  font-size: 17px;
  color: var(--gold);
  margin-bottom: 24px;
  font-family: var(--font-serif);
}
.hero p {
  color: rgba(250, 246, 237, 0.85);
  max-width: 600px;
}

/* ===== Forms ===== */
form .row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  align-items: center;
  margin-bottom: 16px;
}
label {
  font-weight: 600;
  font-size: 14px;
  color: var(--ink-soft);
  min-width: 80px;
}
input[type="number"], input[type="text"], select {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 15px;
  background: #fff;
  color: var(--ink);
  font-family: inherit;
  transition: border 0.15s, box-shadow 0.15s;
}
input[type="number"] { width: 90px; }
input[type="number"]:focus, input[type="text"]:focus, select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184, 148, 90, 0.15);
}
input[type="checkbox"] { width: 18px; height: 18px; }

.btn, button {
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, transform 0.05s;
}
.btn:hover, button:hover { background: var(--gold-dark); }
.btn:active, button:active { transform: translateY(1px); }
.btn.btn-secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--border);
}
.btn.btn-secondary:hover { background: var(--paper-warm); }
.btn.btn-primary {
  background: var(--crimson);
}
.btn.btn-primary:hover { background: var(--crimson-soft); }

/* ===== Service Grid (homepage) ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  display: block;
  text-align: center;
}
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold);
  text-decoration: none;
}
.service-card .icon {
  font-family: var(--font-serif);
  font-size: 40px;
  color: var(--crimson);
  margin-bottom: 8px;
}
.service-card .title { font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.service-card .desc { font-size: 12px; color: var(--ink-soft); }

/* ===== Pillar Table ===== */
.pillar-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-family: var(--font-serif);
}
.pillar-table th, .pillar-table td {
  border: 1px solid var(--border);
  padding: 16px 12px;
  text-align: center;
}
.pillar-table th {
  background: var(--paper-warm);
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
}
.pillar-table .hanja {
  font-size: 36px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.05em;
}
.pillar-table .reading {
  font-size: 13px;
  color: var(--ink-soft);
}

/* ===== Section blocks ===== */
.section-block {
  border-left: 3px solid var(--gold);
  background: var(--paper-warm);
  padding: 16px 20px;
  margin: 12px 0;
  border-radius: 0 6px 6px 0;
}
.section-block h3 {
  color: var(--crimson);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.section-block h3 .meta {
  font-size: 11px;
  font-weight: 400;
  color: var(--ink-soft);
  font-family: var(--font-sans);
}
.section-block p { margin: 6px 0; line-height: 1.7; }
.section-block .summary {
  font-weight: 600;
  color: var(--ink);
}

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: 8px;
  margin: 16px 0;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}
.tab {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: -1px;
  font-family: inherit;
  font-weight: 500;
}
.tab:hover { background: var(--paper-warm); }
.tab.active {
  background: #fff;
  border-color: var(--border);
  border-bottom-color: #fff;
  color: var(--ink);
  font-weight: 700;
}

/* ===== Misc ===== */
.muted { color: var(--ink-soft); font-size: 13px; }
.hidden { display: none !important; }
.text-center { text-align: center; }

.month-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.month-grid .month-card {
  border: 1px solid var(--border);
  padding: 14px;
  border-radius: 6px;
  background: var(--paper-warm);
}
.month-grid .month-card h3 { color: var(--crimson); font-size: 13px; margin-bottom: 6px; }
.month-grid .month-card p { font-size: 12px; line-height: 1.5; margin: 0; }

.hanja-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.hanja-grid .hanja-card {
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 6px;
  background: var(--paper-warm);
  text-align: center;
}
.hanja-grid .hanja-card .ch {
  font-family: var(--font-serif);
  font-size: 32px;
  color: var(--ink);
  font-weight: 700;
}
.hanja-grid .hanja-card .info {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 4px;
}

.chip {
  display: inline-block;
  padding: 6px 14px;
  margin: 3px;
  background: var(--paper-warm);
  border: 1px solid var(--border);
  border-radius: 18px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.15s;
}
.chip:hover { background: var(--gold); color: var(--ink); }

.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin: 12px 0;
  font-size: 14px;
}
.alert-info {
  background: #f0e8d4;
  border-left: 3px solid var(--gold);
  color: var(--ink-soft);
}
.alert-warning {
  background: #fbe8db;
  border-left: 3px solid var(--crimson);
  color: var(--ink);
}

.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--crimson);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Footer ===== */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 32px 24px;
  margin-top: 64px;
  text-align: center;
  font-size: 13px;
}
.site-footer .wrap { max-width: var(--max-w); margin: 0 auto; }
.site-footer p { color: rgba(250, 246, 237, 0.6); margin: 4px 0; }
.site-footer .accent { color: var(--gold); }

/* ===== Mobile ===== */
@media (max-width: 700px) {
  .site-header .wrap { padding: 14px 16px; }
  .site-header .brand-name { font-size: 22px; }
  .site-header .brand-sub { display: none; }
  .site-header nav { width: 100%; overflow-x: auto; }
  .site-header nav a { padding: 6px 10px; font-size: 13px; white-space: nowrap; }
  main { padding: 20px 16px; }
  .hero { padding: 32px 24px; }
  .hero h1 { font-size: 26px; }
  .hero::before { font-size: 180px; }
  .card { padding: 18px 16px; }
  h1 { font-size: 24px; }
  h2 { font-size: 18px; }
  .pillar-table .hanja { font-size: 28px; }
  .pillar-table th, .pillar-table td { padding: 10px 6px; }
  .month-grid { grid-template-columns: repeat(2, 1fr); }
  form .row { gap: 8px; }
  label { min-width: auto; margin-right: 6px; }
  input[type="number"] { width: 70px; }
}

/* ===== Print ===== */
@media print {
  .site-header nav, .site-footer, form, button { display: none !important; }
  .card { box-shadow: none; border: 1px solid #ccc; page-break-inside: avoid; }
}