/* Blog and article styles (shared by /blog/ pages). Header and footer styles live in /nav.css. */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #1a1a18;
  --ink-mid: #4a4a44;
  --ink-soft: #7a7a72;
  --paper: #f7f5ef;
  --paper-warm: #f0ece0;
  --accent: #c8500a;
  --accent-light: #fdf0e8;
  --accent-dark: #8f3506;
  --accent-bright: #e8a060;
  --green: #2d6a3f;
  --green-light: #eaf3ec;
  --border: rgba(26,26,24,0.12);
  --radius: 6px;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--paper); color: var(--ink); line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; height: auto; }

/* HERO */
.hero { background: var(--ink); color: var(--paper); padding: 3.5rem 2rem 3.5rem; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -60px; right: -80px; width: 520px; height: 520px; background: radial-gradient(circle, rgba(200,80,10,0.18) 0%, transparent 70%); pointer-events: none; }
.hero-inner { max-width: 1040px; margin: 0 auto; position: relative; }
.crumbs { font-size: 0.82rem; color: rgba(247,245,239,0.55); margin-bottom: 1.5rem; }
.crumbs a { color: rgba(247,245,239,0.75); text-decoration: none; }
.crumbs a:hover { color: var(--paper); text-decoration: underline; }
.hero-tag { display: inline-block; background: rgba(200,80,10,0.25); color: var(--accent-bright); font-size: 0.75rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.35rem 0.9rem; border-radius: 2rem; margin-bottom: 1.25rem; }
.hero h1 { font-family: var(--serif); font-size: clamp(2rem, 4.6vw, 3.3rem); font-weight: 700; line-height: 1.12; letter-spacing: -0.03em; margin-bottom: 1.25rem; max-width: 880px; }
.hero h1 em { font-style: italic; color: var(--accent-bright); }
.hero-sub { font-size: 1.12rem; color: rgba(247,245,239,0.74); max-width: 660px; line-height: 1.65; }
.post-meta { margin-top: 1.5rem; font-size: 0.85rem; color: rgba(247,245,239,0.55); }
.post-meta span + span::before { content: '\00b7'; margin: 0 0.5rem; }

/* ARTICLE LAYOUT */
.post-wrap { background: white; padding: 3.5rem 2rem 4rem; }
.post-grid { max-width: 1040px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 3.5rem; align-items: start; }
.post-body { min-width: 0; max-width: 700px; font-size: 1.03rem; color: var(--ink-mid); line-height: 1.8; }
.post-body > * + * { margin-top: 1.1rem; }
.post-body h2 { font-family: var(--serif); font-size: clamp(1.45rem, 2.6vw, 1.8rem); font-weight: 700; color: var(--ink); line-height: 1.25; letter-spacing: -0.02em; margin-top: 2.6rem; }
.post-body h3 { font-family: var(--serif); font-size: 1.2rem; font-weight: 600; color: var(--ink); line-height: 1.3; margin-top: 1.9rem; }
.post-body strong { color: var(--ink); }
.post-body a { color: var(--accent); text-decoration: underline; text-decoration-color: rgba(200,80,10,0.4); text-underline-offset: 2px; }
.post-body a:hover { color: var(--accent-dark); }
.post-body ul, .post-body ol { padding-left: 0; list-style: none; }
.post-body ul li, .post-body ol li { position: relative; padding-left: 1.6rem; margin-top: 0.55rem; }
.post-body ul li::before { content: ''; position: absolute; left: 0.2rem; top: 0.72rem; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.post-body ol { counter-reset: item; }
.post-body ol li { counter-increment: item; }
.post-body ol li::before { content: counter(item) '.'; position: absolute; left: 0; font-weight: 600; color: var(--accent); }

.takeaways { background: var(--paper-warm); border-left: 3px solid var(--accent); border-radius: 8px; padding: 1.4rem 1.6rem; }
.takeaways p.tk-title { font-family: var(--serif); font-weight: 700; color: var(--ink); font-size: 1.05rem; margin-bottom: 0.35rem; }
.takeaways ul li { margin-top: 0.4rem; font-size: 0.97rem; }
.note { background: var(--accent-light); border: 1px solid rgba(200,80,10,0.2); border-radius: 8px; padding: 1.1rem 1.35rem; font-size: 0.95rem; }
.note strong { display: block; margin-bottom: 0.2rem; }
.help-box { background: var(--green-light); border: 1px solid rgba(45,106,63,0.22); border-radius: 10px; padding: 1.4rem 1.6rem; }
.help-box p.hb-title { font-family: var(--serif); font-weight: 700; color: var(--ink); font-size: 1.1rem; margin-bottom: 0.3rem; }
.help-box a.hb-link { display: inline-block; margin-top: 0.6rem; font-weight: 600; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: 8px; }
.post-body table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 0.92rem; line-height: 1.5; }
.post-body th, .post-body td { text-align: left; vertical-align: top; padding: 0.7rem 0.85rem; border-bottom: 1px solid var(--border); }
.post-body th { background: var(--paper-warm); color: var(--ink); font-weight: 600; }
.post-body tr:last-child td { border-bottom: 0; }

.check-list li::before { content: '' !important; width: 14px !important; height: 8px !important; border-radius: 0 !important; background: none !important; border-left: 2px solid var(--green); border-bottom: 2px solid var(--green); transform: rotate(-45deg); top: 0.6rem !important; left: 0.1rem !important; }

/* ASIDE */
.post-aside { position: sticky; top: 6rem; background: var(--paper); border: 1px solid var(--border); border-radius: 10px; padding: 1.6rem; }
.post-aside p.aside-tag { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.4rem; }
.post-aside h2 { font-family: var(--serif); font-size: 1.15rem; font-weight: 700; line-height: 1.3; margin-bottom: 0.5rem; }
.post-aside p { font-size: 0.9rem; color: var(--ink-mid); line-height: 1.65; margin-bottom: 0.9rem; }
.post-aside a.aside-more { color: var(--accent); font-weight: 600; font-size: 0.9rem; text-decoration: none; display: block; margin-bottom: 1.1rem; }
.post-aside a.aside-more:hover { text-decoration: underline; }
.btn { display: block; text-align: center; background: var(--accent); color: var(--paper) !important; padding: 0.75rem 1rem; border-radius: var(--radius); text-decoration: none; font-weight: 500; font-size: 0.95rem; margin-top: 0.5rem; transition: background 0.2s; }
.btn:hover { background: var(--accent-dark); }
.btn-line { background: transparent; color: var(--ink) !important; border: 1px solid var(--border); }
.btn-line:hover { background: var(--paper-warm); }
.aside-small { font-size: 0.8rem !important; color: var(--ink-soft) !important; margin: 0.8rem 0 0 !important; }

/* FAQ */
.section { padding: 4.5rem 2rem; }
.section-inner { max-width: 1040px; margin: 0 auto; }
.section-tag { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.75rem; }
.section-title { font-family: var(--serif); font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.025em; margin-bottom: 1rem; }
.section-lead { font-size: 1.05rem; color: var(--ink-mid); max-width: 660px; line-height: 1.7; }
.faq-section { background: var(--paper-warm); }
.faq-list { margin-top: 2rem; max-width: 780px; }
.faq-item { background: white; border: 1px solid var(--border); border-radius: 10px; padding: 1.4rem 1.6rem; margin-bottom: 0.9rem; }
.faq-item h3 { font-family: var(--serif); font-size: 1.08rem; font-weight: 600; line-height: 1.35; margin-bottom: 0.45rem; }
.faq-item p { font-size: 0.95rem; color: var(--ink-mid); line-height: 1.7; }
.faq-item p + p { margin-top: 0.6rem; }
.faq-item a { color: var(--accent); }

/* CARDS (related posts + blog index) */
.related-section { background: white; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; margin-top: 2rem; }
.post-card { display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--border); border-radius: 10px; padding: 1.5rem; text-decoration: none; color: inherit; transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s; }
.post-card:hover { border-color: rgba(200,80,10,0.4); box-shadow: 0 4px 20px rgba(200,80,10,0.08); transform: translateY(-2px); }
.post-card .card-cat { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.5rem; }
.post-card h3 { font-family: var(--serif); font-size: 1.15rem; font-weight: 700; line-height: 1.3; color: var(--ink); margin-bottom: 0.5rem; letter-spacing: -0.01em; }
.post-card p { font-size: 0.9rem; color: var(--ink-mid); line-height: 1.6; flex: 1; }
.post-card .card-more { margin-top: 1rem; font-size: 0.88rem; font-weight: 600; color: var(--accent); }
.post-card .card-new { display: inline-block; background: var(--green-light); color: var(--green); border-radius: 2rem; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.15rem 0.55rem; margin-left: 0.4rem; vertical-align: middle; }

.blog-group + .blog-group { margin-top: 3.5rem; }
.blog-group h2 { font-family: var(--serif); font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.blog-group > p { color: var(--ink-mid); margin-top: 0.35rem; font-size: 0.98rem; }
.blog-index { background: white; }
.topic-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.75rem; }
.topic-chips a { font-size: 0.85rem; color: var(--paper); text-decoration: none; border: 1px solid rgba(247,245,239,0.25); border-radius: 2rem; padding: 0.35rem 0.9rem; }
.topic-chips a:hover { border-color: var(--accent-bright); color: var(--accent-bright); }

/* CTA */
.cta-section { background: var(--ink); color: var(--paper); padding: 4.5rem 2rem; text-align: center; }
.cta-section h2 { font-family: var(--serif); font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 700; letter-spacing: -0.03em; margin-bottom: 1rem; line-height: 1.15; }
.cta-section h2 em { font-style: italic; color: var(--accent-bright); }
.cta-section p { color: rgba(247,245,239,0.68); max-width: 560px; margin: 0 auto 2rem; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.cta-actions a { background: transparent; border: 1px solid rgba(247,245,239,0.28); color: var(--paper); padding: 0.85rem 1.6rem; border-radius: var(--radius); text-decoration: none; font-weight: 500; transition: border-color 0.2s, color 0.2s; }
.cta-actions a.cta-main { background: var(--accent); border-color: var(--accent); }
.cta-actions a:hover { border-color: var(--accent-bright); color: var(--accent-bright); }
.cta-actions a.cta-main:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: var(--paper); }
.cta-small { margin-top: 1.5rem !important; font-size: 0.88rem !important; color: rgba(247,245,239,0.5) !important; }

@media (max-width: 900px) {
  .post-grid { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .post-aside { position: static; }
}
@media (max-width: 768px) {
  .hero { padding: 2.5rem 1rem 2.75rem; }
  .post-wrap { padding: 2.25rem 1rem 3rem; }
  .section { padding: 3.25rem 1rem; }
  .cta-section { padding: 3.5rem 1rem; }
  .post-body { font-size: 1rem; }
  .faq-item { padding: 1.2rem 1.15rem; }
  .takeaways, .help-box { padding: 1.2rem 1.15rem; }
}