/* Massive Premium Redesign - Dark Mode & Glassmorphism */

:root {
    --bg-color: #0d1117;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent-1: #8b5cf6;
    --accent-2: #0ea5e9;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --font-main: system-ui, -apple-system, blurmacsystemfont, "Segoe UI", roboto, sans-serif;
    --font-heading: "SF Pro Display", system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(14, 165, 233, 0.15), transparent 25%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: #fff;
}

a {
    color: var(--accent-2);
    text-decoration: none;
    transition: 0.3s;
}

a:hover {
    color: var(--accent-1);
    text-shadow: 0 0 8px rgba(139, 92, 246, 0.5);
}

.container, .container-narrow {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow { max-width: 900px; }

/* Global components Glassmorphism */
.glass-card, .feature-card, .recipe-card, .approach-item, .faq-item, .author-bio-content, .disclaimer-card, .card, .disclaimer-section {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: 20px !important;
    box-shadow: var(--glass-shadow) !important;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease !important;
}

.feature-card:hover, .recipe-card:hover, .faq-item:hover, .btn-primary:hover, .btn-secondary:hover {
    transform: translateY(-8px) scale(1.02) !important;
    box-shadow: 0 15px 40px rgba(0,0,0,0.5), 0 0 20px rgba(139, 92, 246, 0.2) !important;
    border-color: rgba(139, 92, 246, 0.3) !important;
}

/* Badge */
.sponsored-badge, .badge, .hero-category {
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2)) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    font-weight: 800 !important;
    letter-spacing: 2px !important;
    text-transform: uppercase;
    text-align: center;
    padding: 12px;
    font-size: 14px;
}

/* Hero Section */
.hero {
    padding: 120px 0;
    text-align: center;
    position: relative;
    background: transparent !important;
}
.hero::before { display: none; }

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--accent-2);
    font-weight: 500;
}

.hero-description, .section-description, p.muted {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 40px;
}
.section-description { margin-top: 15px; }

/* Buttons */
.btn-primary, .btn-secondary, .btn-back {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2)) !important;
    color: #fff !important;
    padding: 16px 40px !important;
    border-radius: 30px !important;
    font-weight: 600 !important;
    font-size: 1.1rem !important;
    border: none !important;
    cursor: pointer !important;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3) !important;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4) !important;
    text-decoration: none;
    transition: 0.3s;
}

.cta-note { color: var(--text-secondary); margin-top: 15px; font-size: 14px; }

/* Grids */
.book-cover-section, .features-grid, .recipe-grid, .approach-grid, .disclaimer-grid, .footer-content {
    display: grid;
    gap: 40px;
    margin-top: 60px;
}
.book-cover-section { grid-template-columns: 1fr 1fr; align-items: center; }
.features-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.recipe-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.approach-grid { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }
.footer-content { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* Feature styling */
.feature-icon, .recipe-image, .disclaimer-icon {
    font-size: 40px;
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}
.recipe-image { width: 100%; height: 220px; font-size: 60px; }

.feature-card, .recipe-card, .approach-item, .faq-item, .card {
    padding: 40px;
    text-align: left;
}

/* Imagery */
.book-cover {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 30px rgba(14, 165, 233, 0.3);
}

.author-photo {
    width: 120px; height: 120px;
    border-radius: 50%;
    border: 3px solid var(--accent-1);
    margin-bottom: 20px;
    object-fit: cover;
}

.author-bio { padding: 80px 0; background: transparent !important; }

/* Additional Pages Elements (privacy, terms, legal) */
.page { padding: 80px 20px; display: flex; justify-content: center; flex-direction: column; align-items: center; }
.card { padding: 50px; }
.content { color: var(--text-secondary); margin-top: 30px; text-align: left; }
.content h2 { color: var(--accent-2); margin-top: 40px; }
.content ul { list-style-type: disc; margin-left: 20px; margin-bottom: 20px; }

/* Footer & Legal Blocks */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 80px 20px 40px;
    background: #05070a;
}
.footer-section h3 { margin-bottom: 20px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 30px; }
.footer-links a { color: var(--text-secondary); }
.legal-licensing-block {
    background: rgba(139, 92, 246, 0.05) !important;
    border: 1px solid rgba(139, 92, 246, 0.2) !important;
    border-radius: 16px;
    padding: 40px;
    margin: 40px auto;
    max-width: 800px;
    text-align: center;
}
.legal-licensing-block h3 { color: var(--accent-1); margin-bottom: 15px; }
.legal-licensing-block p { color: var(--text-primary) !important; font-size: 16px; margin-bottom: 10px; }
.legal-licensing-block .vat-highlight {
    background: rgba(14, 165, 233, 0.2);
    color: #fff;
    padding: 4px 10px;
    border-radius: 6px;
}
.research-links ul { list-style: none; }
.research-links li { margin-bottom: 10px; padding-left: 20px; position: relative; }
.research-links li::before { content: '→'; position: absolute; left: 0; color: var(--accent-2); }

/* Disclaimers & Alerts */
.disclaimer-box, .age-restriction, .footer-warning, .advertising-disclosure {
    background: rgba(255, 59, 48, 0.1) !important;
    border-left: 4px solid #ff3b30 !important;
    color: #f0f6fc;
    padding: 20px;
    border-radius: 10px;
    margin: 30px 0;
}
.section-alternate { background: rgba(255,255,255,0.01); }
.section { padding: 100px 0; }
.cta-section { padding: 100px 0; background: transparent !important; }
.section-header { text-align: center; margin-bottom: 50px; }
.disclaimer-section::before { display: none !important; }

@media(max-width: 768px) {
    .book-cover-section { grid-template-columns: 1fr; }
    .hero-title { font-size: 2.5rem; }
    .card { padding: 30px 20px; }
    .page { padding: 40px 10px; }
}