/* === GLOBAL RESET & VARIABLES === */
:root {
  --primary: #0d47a1;
  --primary-dark: #0a3270;
  --primary-light: #1565c0;
  --white: #fafafa;
  --gold: #f9a825;
  --gold-dark: #c17900;
  --text: #222;
  --text-light: #555;
  --bg-light: #f0f2f5;
  --border: #dde1e6;
  --success: #2e7d32;
  --danger: #c62828;
  --shadow: 0 2px 8px rgba(0,0,0,.12);
  --radius: 8px;
  --max-width: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif; color: var(--text); background: var(--white); line-height: 1.7; font-size: 17px; }
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold-dark); }

/* === HEADER === */
.site-header { position: sticky; top: 0; z-index: 1000; background: var(--primary); color: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.25); }
.header-inner { max-width: var(--max-width); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; height: 64px; }
.site-logo { font-size: 1.3rem; font-weight: 800; color: #fff; letter-spacing: -.5px; }
.site-logo span { color: var(--gold); }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; }
.main-nav ul { display: flex; list-style: none; gap: 4px; }
.main-nav a { color: #fff; padding: 8px 14px; border-radius: var(--radius); font-size: .92rem; font-weight: 500; transition: background .2s; }
.main-nav a:hover, .main-nav a.active { background: rgba(255,255,255,.15); color: var(--gold); }
.age-badge { background: var(--gold); color: var(--primary-dark); font-weight: 800; font-size: .8rem; padding: 4px 10px; border-radius: 20px; white-space: nowrap; }

/* === BREADCRUMBS === */
.breadcrumbs { max-width: var(--max-width); margin: 0 auto; padding: 14px 20px; font-size: .85rem; color: var(--text-light); }
.breadcrumbs a { color: var(--primary); }
.breadcrumbs span { margin: 0 6px; }

/* === HERO === */
.hero { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; padding: 60px 20px; text-align: center; }
.hero h1 { font-size: 2.4rem; max-width: 900px; margin: 0 auto 16px; line-height: 1.2; }
.hero p { font-size: 1.15rem; max-width: 700px; margin: 0 auto; opacity: .9; }
.hero .badge-row { margin-top: 20px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero .badge-row span { background: rgba(255,255,255,.15); padding: 6px 16px; border-radius: 20px; font-size: .85rem; }

/* === MAIN CONTENT === */
.page-wrap { max-width: var(--max-width); margin: 0 auto; padding: 30px 20px 60px; }
.content-grid { display: grid; grid-template-columns: 1fr 340px; gap: 40px; }
.main-content { min-width: 0; }
.sidebar { position: sticky; top: 84px; align-self: start; }

/* === HEADINGS === */
.main-content h2 { font-size: 1.7rem; color: var(--primary); margin: 40px 0 16px; padding-bottom: 8px; border-bottom: 3px solid var(--gold); }
.main-content h3 { font-size: 1.3rem; color: var(--primary-dark); margin: 28px 0 12px; }
.main-content h4 { font-size: 1.1rem; margin: 20px 0 10px; }
.main-content p { margin-bottom: 16px; }
.main-content ul, .main-content ol { margin: 0 0 16px 24px; }
.main-content li { margin-bottom: 6px; }

/* === TABLES === */
.table-wrap { overflow-x: auto; margin: 20px 0 28px; border-radius: var(--radius); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
thead { background: var(--primary); color: #fff; }
th { padding: 14px 16px; text-align: left; font-weight: 600; white-space: nowrap; }
td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
tbody tr:hover { background: #e3f2fd; }
.cta-btn { display: inline-block; background: var(--gold); color: var(--primary-dark); font-weight: 700; padding: 8px 20px; border-radius: 6px; font-size: .9rem; transition: background .2s, transform .15s; }
.cta-btn:hover { background: var(--gold-dark); color: #fff; transform: translateY(-1px); }

/* === CALLOUT BOXES === */
.callout { border-left: 5px solid var(--gold); background: #fff8e1; padding: 20px 24px; border-radius: 0 var(--radius) var(--radius) 0; margin: 24px 0; }
.callout.info { border-color: var(--primary); background: #e3f2fd; }
.callout.warning { border-color: var(--danger); background: #ffebee; }
.callout.success { border-color: var(--success); background: #e8f5e9; }
.callout h4 { margin-top: 0; color: var(--primary-dark); }
.callout p:last-child { margin-bottom: 0; }

/* === CARDS === */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; margin: 24px 0; }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,.15); }
.card h3 { margin-top: 0; font-size: 1.15rem; }
.card .card-meta { font-size: .85rem; color: var(--text-light); margin-bottom: 10px; }

/* === SIDEBAR === */
.sidebar-box { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 24px; box-shadow: var(--shadow); }
.sidebar-box h3 { font-size: 1.05rem; color: var(--primary); margin-bottom: 12px; padding-bottom: 8px; border-bottom: 2px solid var(--gold); }
.sidebar-box ul { list-style: none; margin: 0; padding: 0; }
.sidebar-box li { padding: 8px 0; border-bottom: 1px solid var(--border); }
.sidebar-box li:last-child { border-bottom: none; }
.sidebar-box a { font-size: .93rem; }
.sidebar-cta { background: var(--primary); color: #fff; text-align: center; padding: 24px; border-radius: var(--radius); }
.sidebar-cta h3 { color: var(--gold); border-bottom-color: rgba(255,255,255,.2); }
.sidebar-cta p { color: rgba(255,255,255,.85); font-size: .93rem; }
.sidebar-cta .cta-btn { margin-top: 12px; }

/* === AUTHOR BIO === */
.author-bio { display: flex; gap: 20px; background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin: 36px 0; }
.author-avatar { width: 80px; height: 80px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; font-weight: 700; flex-shrink: 0; }
.author-info h4 { margin: 0 0 4px; }
.author-info .author-title { color: var(--text-light); font-size: .9rem; margin-bottom: 8px; }
.author-info p { font-size: .93rem; margin-bottom: 0; }

/* === AFFILIATE DISCLOSURE === */
.affiliate-disclosure { background: #fff3e0; border: 1px solid #ffe0b2; border-radius: var(--radius); padding: 16px 20px; font-size: .88rem; color: var(--text-light); margin: 24px 0; }
.affiliate-disclosure strong { color: var(--text); }

/* === FAQ === */
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.faq-question { background: var(--bg-light); padding: 16px 20px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-question::after { content: '+'; font-size: 1.4rem; color: var(--primary); font-weight: 700; transition: transform .2s; }
.faq-item.open .faq-question::after { content: '\2212'; }
.faq-answer { padding: 0 20px; max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s; }
.faq-item.open .faq-answer { padding: 16px 20px; max-height: 600px; }

/* === PROS CONS === */
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 24px 0; }
.pros, .cons { padding: 20px; border-radius: var(--radius); }
.pros { background: #e8f5e9; border: 1px solid #a5d6a7; }
.cons { background: #ffebee; border: 1px solid #ef9a9a; }
.pros h4 { color: var(--success); }
.cons h4 { color: var(--danger); }
.pros ul, .cons ul { margin-left: 18px; }

/* === STAR RATING === */
.stars { color: var(--gold); font-size: 1.1rem; letter-spacing: 2px; }
.rating-num { font-weight: 700; font-size: 1.2rem; color: var(--primary); }

/* === FOOTER === */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,.8); padding: 50px 20px 0; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,.15); }
.footer-col h4 { color: var(--gold); margin-bottom: 16px; font-size: 1rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,.7); font-size: .9rem; }
.footer-col a:hover { color: var(--gold); }
.footer-responsible { text-align: center; padding: 24px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.footer-responsible p { font-size: .9rem; margin-bottom: 6px; }
.footer-responsible .helpline { color: var(--gold); font-weight: 700; font-size: 1.05rem; }
.footer-bottom { text-align: center; padding: 20px 0; font-size: .82rem; color: rgba(255,255,255,.5); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .content-grid { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 1.7rem; }
  .hero { padding: 40px 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: block; }
  .main-nav { position: absolute; top: 64px; left: 0; right: 0; background: var(--primary-dark); display: none; padding: 12px 20px; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav a { display: block; padding: 12px 14px; }
  .pros-cons { grid-template-columns: 1fr; }
  .author-bio { flex-direction: column; align-items: center; text-align: center; }
  table { font-size: .85rem; }
  th, td { padding: 10px 12px; }
  .header-inner { padding: 0 16px; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero h1 { font-size: 1.4rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
}

/* === UTILITY === */
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }