* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #F9FAFB; color: #111827; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.hero { background: linear-gradient(135deg, #1E3A5F 0%, #2D5A8F 100%); color: white; padding: 5rem 0 4rem; text-align: center; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; line-height: 1.15; margin-bottom: 1rem; }
.hero-sub { font-size: 1.15rem; opacity: 0.9; max-width: 640px; margin: 0 auto 2rem; }
.btn-hero { background: #F59E0B; color: #111827; padding: 1rem 2.5rem; border-radius: 8px; text-decoration: none; font-weight: 800; font-size: 1.1rem; display: inline-block; }
.hero-note { margin-top: 0.75rem; opacity: 0.7; font-size: 0.9rem; }
.stakes { padding: 3rem 0; background: white; }
.stakes h2, .offer h2, .how-it-works h2, section h2 { text-align: center; font-size: 1.8rem; margin-bottom: 2rem; color: #1E3A5F; }
.stakes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; margin-bottom: 1.5rem; }
.stake-card { text-align: center; padding: 1.5rem; background: #F9FAFB; border-radius: 12px; }
.stake-num { font-size: 2.5rem; font-weight: 900; color: #1E3A5F; }
.stake-label { color: #6B7280; font-size: 0.9rem; margin-top: 0.25rem; }
.stakes-note { text-align: center; max-width: 680px; margin: 0 auto; color: #374151; }
.offer { padding: 3rem 0; background: #F9FAFB; }
.offer-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 1.5rem; max-width: 700px; margin: 0 auto; }
.offer-card { background: white; border-radius: 12px; padding: 1.5rem; border: 2px solid #E5E7EB; }
.offer-card.paid { border-color: #1E3A5F; }
.offer-badge { font-weight: 800; font-size: 0.85rem; margin-bottom: 1rem; }
.free-badge { color: #6B7280; }
.paid-badge { color: #1E3A5F; }
.offer-card ul { list-style: none; margin-bottom: 1.5rem; }
.offer-card ul li { padding: 0.35rem 0; font-size: 0.95rem; color: #374151; }
.btn-primary { background: #1E3A5F; color: white; padding: 0.875rem 2rem; border-radius: 8px; text-decoration: none; font-weight: 700; display: block; text-align: center; }
.btn-secondary { background: #F9FAFB; color: #1E3A5F; padding: 0.875rem 2rem; border-radius: 8px; text-decoration: none; font-weight: 700; display: block; text-align: center; border: 2px solid #1E3A5F; }
.how-it-works { padding: 3rem 0; background: white; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; }
.step { text-align: center; }
.step-num { width: 48px; height: 48px; background: #1E3A5F; color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 1.25rem; margin: 0 auto 1rem; }
.step h3 { margin-bottom: 0.5rem; color: #1E3A5F; }
.guarantee { padding: 3rem 0; background: #F9FAFB; }
.guarantee-box { background: white; border-radius: 12px; padding: 2.5rem; text-align: center; max-width: 600px; margin: 0 auto; border: 2px solid #1E3A5F; }
.guarantee-box h2 { margin-bottom: 1rem; }
.guarantee-box p { color: #374151; margin-bottom: 1.5rem; }
footer { background: #1E3A5F; color: white; padding: 2rem 0; text-align: center; font-size: 0.9rem; }
footer a { color: #F59E0B; text-decoration: none; }
@media (max-width: 600px) { .offer-grid { grid-template-columns: 1fr; } }

/* Study guide styles */
.study-nav { background: #1E3A5F; padding: 1rem 0; }
.study-nav .container { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.study-nav a { color: #F59E0B; text-decoration: none; font-size: 0.9rem; font-weight: 600; }
.study-nav a:hover { text-decoration: underline; }
.study-section { padding: 3rem 0; border-bottom: 1px solid #E5E7EB; }
.study-section:nth-child(even) { background: white; }
.study-section:nth-child(odd) { background: #F9FAFB; }
.study-section h2 { font-size: 1.6rem; color: #1E3A5F; margin-bottom: 0.5rem; }
.study-section h3 { font-size: 1.1rem; color: #374151; margin: 1.5rem 0 0.5rem; }
.study-section p { color: #374151; line-height: 1.7; margin-bottom: 1rem; }
.study-section ul, .study-section ol { color: #374151; padding-left: 1.5rem; margin-bottom: 1rem; }
.study-section li { padding: 0.25rem 0; line-height: 1.6; }
.fact-box { background: #EFF6FF; border: 2px solid #3B82F6; border-radius: 12px; padding: 1.25rem 1.5rem; margin: 1.5rem 0; }
.fact-box h4 { color: #1D4ED8; font-size: 0.9rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.fact-box p, .fact-box ul { color: #1E40AF; margin: 0; }
.vocab-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 0.75rem; margin: 1rem 0; }
.vocab-item { background: white; border: 1px solid #E5E7EB; border-radius: 8px; padding: 0.75rem 1rem; }
.vocab-word { font-weight: 700; color: #1E3A5F; }
.vocab-def { font-size: 0.9rem; color: #6B7280; margin-top: 0.2rem; }
.branch-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.branch-table th { background: #1E3A5F; color: white; padding: 0.75rem 1rem; text-align: left; font-size: 0.9rem; }
.branch-table td { padding: 0.75rem 1rem; border-bottom: 1px solid #E5E7EB; font-size: 0.9rem; color: #374151; }
.branch-table tr:nth-child(even) td { background: #F9FAFB; }
.cta-banner { background: linear-gradient(135deg, #1E3A5F 0%, #2D5A8F 100%); color: white; padding: 3rem 0; text-align: center; }
.cta-banner h2 { font-size: 1.8rem; margin-bottom: 0.75rem; }
.cta-banner p { opacity: 0.85; margin-bottom: 1.5rem; max-width: 560px; margin-left: auto; margin-right: auto; }
.section-tag { display: inline-block; background: #F59E0B; color: #111827; font-size: 0.75rem; font-weight: 800; padding: 0.2rem 0.6rem; border-radius: 4px; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; }