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

:root {
  --gold: #E07B00;
  --gold-light: #c96e00;
  --gold-pale: #fff4e8;
  --ink: #0d0d0d;
  --ink-soft: #333;
  --muted: #64748B;
  --border: #e5e7eb;
  --white: #ffffff;
  --shadow: 0 1px 12px rgba(0,0,0,0.06);
  --shadow-hover: 0 6px 28px rgba(0,0,0,0.11);
}

body { font-family: 'Inter', sans-serif; background: var(--white); color: var(--ink); min-height: 100vh; }

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 32px; background: #fff; border-bottom: 1px solid var(--border);
}
.nav-logo { text-decoration: none; display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo-name { font-family: 'Inter', sans-serif; font-size: 1rem; font-weight: 800; color: #0d0d0d; letter-spacing: -0.02em; }
.nav-logo-name sup { color: #E07B00; font-size: 0.5em; vertical-align: super; }
.nav-tagline { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: #E07B00; margin-top: 2px; text-align: center; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { font-size: 0.82rem; font-weight: 500; color: #333; text-decoration: none; transition: color 0.2s; }
.nav-links a:hover { color: #E07B00; }

/* ── HAMBURGER ── */
.nav-hamburger { display: none; flex-direction: column; justify-content: center; align-items: center; width: 38px; height: 38px; cursor: pointer; gap: 5px; background: none; border: none; padding: 4px; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all 0.25s; }
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILE DRAWER ── */
.nav-drawer { display: none; position: fixed; top: 57px; left: 0; right: 0; z-index: 99; background: #fff; border-bottom: 1px solid var(--border); padding: 12px 0 16px; flex-direction: column; box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.nav-drawer.open { display: flex; }
.nav-drawer a { font-size: 0.92rem; font-weight: 500; color: var(--ink); text-decoration: none; padding: 11px 28px; border-bottom: 1px solid var(--border); transition: background 0.15s, color 0.15s; }
.nav-drawer a:last-child { border-bottom: none; }
.nav-drawer a:hover { background: var(--gold-pale); color: var(--gold); }

/* ── BREADCRUMB ── */
.breadcrumb { max-width: 780px; margin: 24px auto 0; padding: 0 28px; font-size: 0.8rem; color: var(--muted); }
.breadcrumb a { color: var(--gold); text-decoration: none; font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; }

/* ── ARTICLE ── */
article { max-width: 780px; margin: 0 auto; padding: 32px 28px 80px; }

.guide-meta { font-size: 0.78rem; color: var(--muted); margin-bottom: 8px; font-weight: 400; }
.guide-emoji { font-size: 2rem; margin-bottom: 12px; display: block; }

h1 {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900; color: var(--ink);
  line-height: 1.05; margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.guide-intro {
  font-size: 1.05rem; color: var(--ink-soft); line-height: 1.85;
  font-weight: 400; margin-bottom: 36px;
  padding-bottom: 28px; border-bottom: 1px solid var(--border);
}

.guide-section { margin-bottom: 36px; }
.guide-section h2 {
  font-family: 'Inter', sans-serif;
  font-size: 1.2rem; font-weight: 800;
  color: var(--ink); margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.guide-section h2::before { content: ''; display: inline-block; width: 3px; height: 1em; background: var(--gold); margin-right: 10px; vertical-align: middle; border-radius: 2px; }
.guide-section p { font-size: 0.97rem; color: var(--ink-soft); line-height: 1.85; font-weight: 400; margin-bottom: 10px; }

.guide-closing {
  font-size: 1rem; color: var(--ink-soft); line-height: 1.85;
  font-weight: 400; font-style: italic;
  margin-top: 8px; padding-top: 28px; border-top: 1px solid var(--border);
}

/* ── CTA BLOCK ── */
.guide-cta {
  margin-top: 48px; padding: 36px; text-align: center;
  background: var(--gold-pale); border: 1px solid rgba(224,123,0,0.2);
  border-radius: 16px;
}
.guide-cta h3 {
  font-family: 'Inter', sans-serif; font-size: 1.3rem; font-weight: 900;
  color: var(--ink); margin-bottom: 10px; letter-spacing: -0.02em;
}
.guide-cta p { font-size: 0.92rem; color: var(--ink-soft); font-weight: 400; margin-bottom: 20px; }
.cta-btn {
  display: inline-block; background: var(--gold); color: #fff;
  font-family: 'Inter', sans-serif; font-size: 0.92rem; font-weight: 700;
  padding: 12px 32px; border-radius: 40px; text-decoration: none; transition: background 0.2s;
}
.cta-btn:hover { background: var(--gold-light); }

/* ── RELATED GUIDES ── */
.related-guides { max-width: 780px; margin: 0 auto; padding: 0 28px 60px; }
.related-guides h3 {
  font-family: 'Inter', sans-serif; font-size: 1.1rem; font-weight: 800;
  color: var(--ink); margin-bottom: 16px; letter-spacing: -0.02em;
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-card {
  display: block; padding: 18px 16px; background: #fff;
  border: 1px solid var(--border); border-radius: 12px;
  text-decoration: none; transition: box-shadow 0.2s, border-color 0.2s;
}
.related-card:hover { box-shadow: var(--shadow-hover); border-color: var(--gold); }
.related-card-emoji { font-size: 1.4rem; display: block; margin-bottom: 8px; }
.related-card-title { font-size: 0.85rem; font-weight: 600; color: var(--ink); line-height: 1.35; }

/* ── FOOTER ── */
footer {
  text-align: center; padding: 28px 20px;
  border-top: 1px solid var(--border);
  font-size: 0.75rem; color: var(--muted); font-weight: 400;
}
footer a { color: var(--gold); text-decoration: none; font-weight: 500; }
footer a:hover { text-decoration: underline; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 12px 20px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  article { padding: 24px 20px 60px; }
}
@media (max-width: 600px) {
  .related-grid { grid-template-columns: 1fr 1fr; }
}
