/* Brain Song Affiliate Site — Style */
:root {
    --primary: #1A2E50;
    --gradient-1: #E8F0FE;
    --gradient-2: #D6E8FB;
    --gradient-3: #F0F4FA;
    --cta: #FFD700;
    --cta-text: #1A1A2E;
    --bg: #FFFFFF;
    --bg-alt: #F5F5F5;
    --text: #2D2D2D;
    --text-heading: #1A2E50;
    --price-color: #1A1A8C;
    --accent-green: #2E8B2E;
    --shadow: 0 2px 12px rgba(26,46,80,0.08);
    --radius: 12px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-user-select:none;user-select:none}
a{color:var(--primary);text-decoration:none}
img{max-width:100%}
.container{max-width:820px;margin:0 auto;padding:0 20px}

/* NAV */
nav{background:var(--primary);padding:14px 0;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.15)}
nav .container{display:flex;justify-content:space-between;align-items:center}
nav .logo{color:#fff;font-size:1.2rem;font-weight:700}
nav .nav-links{display:flex;gap:18px}
nav .nav-links a{color:rgba(255,255,255,.85);font-size:.9rem;transition:color .2s}
nav .nav-links a:hover{color:var(--cta)}

/* HERO */
.hero{background:linear-gradient(135deg,var(--gradient-1),var(--gradient-2),var(--gradient-3));padding:60px 0 50px;text-align:center}
.hero h1{color:var(--text-heading);font-size:2.2rem;margin-bottom:16px;line-height:1.3}
.hero .subtitle{color:#555;font-size:1.15rem;max-width:600px;margin:0 auto 28px}

/* BREADCRUMBS */
.breadcrumbs{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumbs a{color:var(--primary)}

/* CTA BUTTON */
.cta-button{display:inline-block;background:var(--cta);color:var(--cta-text);font-weight:700;font-size:1.1rem;padding:16px 40px;border-radius:50px;text-decoration:none;transition:all .3s;animation:ctaPulse 2s infinite;box-shadow:0 4px 15px rgba(255,215,0,.4)}
.cta-button:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(255,215,0,.55)}
@keyframes ctaPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.03)}}

/* CONTENT */
.content{padding:40px 0}
.content h2{color:var(--text-heading);font-size:1.5rem;margin:32px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--gradient-2)}
.content p{margin-bottom:16px}
.content ul,.content ol{margin:0 0 16px 24px}
.content li{margin-bottom:8px}

/* RATING BOX */
.rating-box{background:var(--gradient-1);border-radius:var(--radius);padding:20px;text-align:center;margin:20px 0;font-size:1.1rem}
.rating-box .stars{color:var(--cta);font-size:1.5rem}

/* FEATURES GRID */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:20px 0}
.feature-card{background:var(--bg-alt);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow);transition:transform .2s}
.feature-card:hover{transform:translateY(-4px)}
.feature-icon{font-size:2rem;margin-bottom:10px}
.feature-card h3{color:var(--text-heading);font-size:1rem;margin-bottom:8px}
.feature-card p{font-size:.9rem;color:#555}

/* PROS CONS */
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
.pros,.cons{background:var(--bg-alt);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.pros h3{color:var(--accent-green)}.cons h3{color:#c0392b}
.pros ul,.cons ul{list-style:none;padding:0;margin:10px 0 0}
.pros li::before{content:"✓ ";color:var(--accent-green);font-weight:700}
.cons li::before{content:"✗ ";color:#c0392b;font-weight:700}

/* TESTIMONIAL */
.testimonial{display:flex;gap:16px;background:var(--bg-alt);border-radius:var(--radius);padding:20px;margin:16px 0;box-shadow:var(--shadow)}
.avatar{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;flex-shrink:0}
.testimonial-content p{font-style:italic;margin-bottom:8px}
.testimonial-author{font-size:.85rem;color:#888}

/* PRICING CARD */
.pricing-card{background:linear-gradient(135deg,var(--gradient-1),#fff);border:2px solid var(--cta);border-radius:var(--radius);padding:36px;text-align:center;margin:32px 0;box-shadow:0 4px 20px rgba(255,215,0,.15)}
.pricing-card .badge{background:var(--cta);color:var(--cta-text);display:inline-block;padding:4px 16px;border-radius:20px;font-size:.8rem;font-weight:700;margin-bottom:12px}
.pricing-card h3{color:var(--text-heading);font-size:1.3rem;margin-bottom:12px}
.pricing-card .price{font-size:2.8rem;font-weight:800;color:var(--price-color);margin:8px 0}
.pricing-card .price-note{color:#888;font-size:.9rem;margin-bottom:16px}
.pricing-card ul{list-style:none;padding:0;margin:0 0 20px;text-align:left;max-width:320px;margin-left:auto;margin-right:auto}
.pricing-card li{padding:6px 0;border-bottom:1px solid rgba(0,0,0,.05);font-size:.95rem}

/* COMPARISON TABLE */
.comparison-table{overflow-x:auto;margin:20px 0}
.comparison-table table{width:100%;border-collapse:collapse;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.comparison-table th{background:var(--primary);color:#fff;padding:12px;text-align:left;font-size:.9rem}
.comparison-table td{padding:12px;border-bottom:1px solid #eee;font-size:.9rem}
.comparison-table tr:nth-child(even){background:var(--bg-alt)}

/* SAFETY BOX */
.safety-box{border-radius:var(--radius);padding:20px;margin:16px 0}
.safety-box.safe{background:#e8f5e9;border-left:4px solid var(--accent-green)}
.safety-box.caution{background:#fff3e0;border-left:4px solid #f39c12}
.warning-box{background:#ffeaa7;border-left:4px solid #fdcb6e;border-radius:var(--radius);padding:20px;margin:16px 0}

/* SCIENCE BOX */
.science-box{background:var(--gradient-1);border-radius:var(--radius);padding:24px;margin:20px 0;border-left:4px solid var(--primary)}

/* TIMELINE */
.timeline{margin:20px 0;padding-left:24px;border-left:3px solid var(--primary)}
.timeline-item{padding:16px 0 16px 20px;position:relative}
.timeline-item::before{content:"";position:absolute;left:-32px;top:20px;width:12px;height:12px;border-radius:50%;background:var(--cta);border:2px solid var(--primary)}
.timeline-marker{font-weight:700;color:var(--primary);margin-bottom:6px}

/* PROCESS STEPS */
.process-steps{display:grid;gap:16px;margin:20px 0}
.step{display:flex;gap:16px;align-items:flex-start;background:var(--bg-alt);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.step-num{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}

/* GUIDE STEPS */
.guide-steps{display:grid;gap:16px;margin:20px 0}
.guide-step{background:var(--bg-alt);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);text-align:center}
.step-icon{font-size:2.5rem;margin-bottom:10px}
.guide-step h3{color:var(--text-heading);margin-bottom:8px}

/* RELATED ARTICLES */
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:20px 0}
.related-card{background:var(--bg-alt);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:transform .2s}
.related-card:hover{transform:translateY(-3px)}
.related-card h4{color:var(--text-heading);font-size:.95rem;margin-bottom:6px}
.related-card p{font-size:.85rem;color:#888}

/* FOOTER */
footer{background:var(--primary);color:rgba(255,255,255,.7);padding:40px 0;font-size:.85rem;margin-top:50px}
footer .container{text-align:center}
footer a{color:rgba(255,255,255,.9)}
.disclaimer{background:#f8f9fa;border-top:1px solid #eee;padding:20px;font-size:.78rem;color:#999;text-align:center;line-height:1.6}

/* STICKY MOBILE CTA */
.sticky-cta{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--primary);padding:12px 16px;text-align:center;z-index:99;box-shadow:0 -2px 10px rgba(0,0,0,.15)}
.sticky-cta .cta-button{font-size:.95rem;padding:12px 30px;animation:none}

@media(max-width:768px){
    .hero h1{font-size:1.6rem}
    .pros-cons{grid-template-columns:1fr}
    .sticky-cta{display:block}
    nav .nav-links{display:none}
}

/* COPY PROTECTION */
body{-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none}