/* Japanese Quality by Jaw — Shared Styles */

:root {
  --ink: #1a1a2e;
  --vermillion: #c0392b;
  --gold: #b8860b;
  --paper: #f9f6f0;
  --light-paper: #fdfaf5;
  --mist: #e8e4dc;
  --text: #2d2d2d;
  --subtext: #6b6b6b;
  --border: #d4cfc6;
  --font-serif: 'Georgia', 'Times New Roman', serif;
  --font-sans: 'Helvetica Neue', 'Arial', sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.8;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ─── Header ─────────────────────────────────────────── */

header {
  background-color: var(--ink);
  color: #fff;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 3px solid var(--vermillion);
}

.header-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: normal;
  letter-spacing: 0.08em;
  color: #fff;
  text-decoration: none;
}

.site-title span {
  color: var(--vermillion);
  font-style: italic;
}

nav {
  display: flex;
  gap: 2rem;
}

nav a {
  color: #ccc;
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav a:hover,
nav a.active {
  color: #fff;
}

nav a.active {
  border-bottom: 1px solid var(--vermillion);
  padding-bottom: 2px;
}

/* ─── Main ────────────────────────────────────────────── */

main {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 2rem;
  width: 100%;
}

/* ─── Footer ──────────────────────────────────────────── */

footer {
  background-color: var(--ink);
  color: #888;
  text-align: center;
  padding: 1.5rem 2rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  border-top: 3px solid var(--vermillion);
}

footer strong {
  color: #ccc;
}

/* ─── Divider / Mon (family crest motif) ─────────────── */

.mon-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 2.5rem 0;
  color: var(--border);
}

.mon-divider::before,
.mon-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.mon-symbol {
  font-size: 1.2rem;
  color: var(--vermillion);
  line-height: 1;
}

/* ─── Tag ─────────────────────────────────────────────── */

.tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 8px;
  border: 1px solid var(--border);
  color: var(--subtext);
  background: var(--light-paper);
  border-radius: 2px;
}

.tag.vermillion {
  border-color: var(--vermillion);
  color: var(--vermillion);
}

/* ─── Related Articles ────────────────────────────────── */

.related-articles {
  margin-top: 2.5rem;
}

.related-title {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--subtext);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.related-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem;
  background: var(--light-paper);
  border: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s;
}

.related-card:hover {
  border-color: var(--ink);
}

.related-card h3 {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: normal;
  line-height: 1.5;
  flex: 1;
}

.related-card .read-more {
  font-size: 0.75rem;
  color: var(--vermillion);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 600px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* ─── Responsive ──────────────────────────────────────── */

@media (max-width: 600px) {
  .header-inner { flex-direction: column; height: auto; padding: 1rem 0; gap: 0.5rem; }
  nav { gap: 1.5rem; }
  main { padding: 2rem 1.25rem; }
}