:root {
  --bg: #f5efe1;
  --bg-card: #fffcf5;
  --accent: #8a4a2a;
  --accent-2: #2f5d3a;
  --text: #2b2117;
  --text-dim: rgba(43,33,23,0.68);
  --border: rgba(43,33,23,0.12);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Source Serif 4', serif;
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header { border-bottom: 1px solid var(--border); padding: 1.2rem 0; background: var(--bg-card); }
.header-inner { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; }
.logo { font-family: 'Lora', serif; font-weight: 700; font-size: 1.4rem; display: inline-flex; align-items: center; gap: 0.4rem; }
.logo span { color: var(--accent); }
.logo-icon { color: var(--accent); font-size: 1.3rem; }
.main-nav { display: flex; align-items: center; gap: 1.8rem; }
.main-nav a { color: var(--text-dim); font-weight: 600; font-size: 0.95rem; }
.main-nav a:hover { color: var(--accent); }

.lang-switch { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.82rem; font-weight: 700; border-left: 1px solid var(--border); padding-left: 1.2rem; }
.lang-switch a { color: var(--text-dim); }
.lang-switch a.active { color: var(--accent); }
.lang-switch a:hover { color: var(--accent); }
.lang-sep { color: var(--border); }

/* Hero */
.hero { text-align: center; padding: 4.5rem 1.5rem 3rem; border-bottom: 1px solid var(--border); }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent-2); margin-bottom: 1rem; font-family: 'Source Serif 4', serif; }
.hero-eyebrow .material-icons-round { font-size: 1.1rem; }
.hero h1 { font-family: 'Lora', serif; font-size: 2.3rem; font-weight: 700; margin-bottom: 0.9rem; max-width: 720px; margin-left:auto; margin-right:auto; }
.hero p { color: var(--text-dim); font-size: 1.1rem; max-width: 620px; margin: 0 auto; }

/* Letters grid */
.letters-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; padding: 2.5rem 0; }
@media (max-width: 900px) { .letters-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .letters-grid { grid-template-columns: 1fr; } }

.letter-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; display: block; transition: transform 0.15s, border-color 0.15s, box-shadow .15s; }
.letter-card:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: 0 6px 20px rgba(43,33,23,0.08); }
.letter-card-img { width: 100%; height: 170px; object-fit: cover; display: block; }
.letter-card-body { padding: 1.3rem; }
.report-badge { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.78rem; font-weight: 700; color: var(--accent); margin-top: 0.4rem; }
.report-badge .material-icons-round { font-size: 0.95rem; }
.letter-card-meta { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; color: var(--accent-2); margin-bottom: 0.7rem; }
.letter-card-meta .material-icons-round { font-size: 1rem; }
.letter-card-title { font-family: 'Lora', serif; font-size: 1.15rem; font-weight: 700; line-height: 1.3; margin-bottom: 0.3rem; }
.letter-card-author { font-size: 0.85rem; color: var(--accent); font-style: italic; margin-bottom: 0.6rem; }
.letter-card-excerpt { font-size: 0.9rem; color: var(--text-dim); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.empty-state { text-align: center; padding: 4rem 0; color: var(--text-dim); }
.see-all { text-align: center; padding-bottom: 3rem; }
.see-all a { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--accent); font-weight: 700; }
.see-all a:hover { text-decoration: underline; }

.page-title { font-family: 'Lora', serif; padding-top: 2.5rem; font-size: 1.9rem; }
.page-subtitle { color: var(--text-dim); margin-top: 0.5rem; }

/* Letter detail page */
.letter-page { padding-bottom: 3rem; padding-top: 1.5rem; }
.letter-container { max-width: 720px; margin: 0 auto; padding: 0 1.5rem; }
.breadcrumb { font-size: 0.85rem; color: var(--text-dim); padding: 1rem 0; }
.breadcrumb a { color: var(--text-dim); }
.letter-meta { display: flex; gap: 1.3rem; align-items: center; flex-wrap: wrap; margin-bottom: 1rem; }
.letter-meta-item { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.85rem; color: var(--text-dim); }
.letter-meta-item .material-icons-round { font-size: 1rem; color: var(--accent-2); }
.letter-title { font-family: 'Lora', serif; font-size: 2rem; font-weight: 700; line-height: 1.2; margin-bottom: 0.5rem; }
.letter-author { font-size: 1.05rem; color: var(--accent); font-style: italic; margin-bottom: 2rem; }

.letter-hero-img { width: 100%; max-height: 420px; object-fit: cover; border-radius: 12px; margin-bottom: 1.8rem; display: block; border: 1px solid var(--border); }

.letter-body { font-size: 1.12rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 2rem 2.2rem; }
.letter-body p { margin-bottom: 1.1rem; }
.letter-body p:last-child { margin-bottom: 0; }

.letter-source { display: flex; gap: 0.7rem; align-items: flex-start; margin-top: 1.8rem; padding: 1rem 1.2rem; background: rgba(47,93,58,0.08); border: 1px solid rgba(47,93,58,0.2); border-radius: 8px; font-size: 0.85rem; color: var(--text-dim); }
.letter-source .material-icons-round { color: var(--accent-2); font-size: 1.2rem; flex-shrink: 0; }
.letter-source a { color: var(--accent-2); font-weight: 600; }
.letter-source a:hover { text-decoration: underline; }
.letter-source small { display: block; margin-top: 0.4rem; opacity: 0.85; }

.letter-source-warning { background: rgba(154,44,26,0.08); border-color: rgba(154,44,26,0.25); }
.letter-source-warning .material-icons-round { color: #9a2c1a; }
.btn-view-original { display: inline-flex; align-items: center; gap: 0.35rem; margin-top: 0.7rem; padding: 0.55rem 1.1rem; background: #9a2c1a; color: #fff !important; border-radius: 8px; font-size: 0.82rem; font-weight: 700; }
.btn-view-original:hover { background: #7a2114; }
.btn-view-original .material-icons-round { color: #fff; font-size: 1rem; }

.related-section { border-top: 1px solid var(--border); padding: 1rem 0 2rem; }
.section-title { font-family: 'Lora', serif; font-size: 1.5rem; padding-top: 2rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 3rem 0; margin-top: 2rem; background: var(--bg-card); }
.footer-inner { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; text-align: center; }
.footer-logo { font-family: 'Lora', serif; font-weight: 700; margin-bottom: 1rem; }
.footer-logo span { color: var(--accent); }
.footer-disclaimer { font-size: 0.8rem; color: var(--text-dim); max-width: 500px; margin: 0 auto 1rem; }
.footer-copy { font-size: 0.8rem; color: var(--text-dim); opacity: 0.7; }