/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #60d669;
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.nav-link.about {
    background-color: #3b82f6;
    border: 2px solid #3b82f6;
}

.nav-link.pricing {
    background-color: #f59e0b;
    border: 2px solid #f59e0b;
}

.nav-link.ingredients {
    background-color: #ec4899;
    border: 2px solid #ec4899;
}

.nav-link.benefits {
    background-color: #10b981;
    border: 2px solid #10b981;
}

.nav-link.order-now {
    background-color: #8b5cf6;
    border: 2px solid #8b5cf6;
    font-weight: 600;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #dc2626 0%, #f97316 50%, #eab308 100%);
    padding: 80px 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="fire" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23fire)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 1rem;
    opacity: 0.9;
}

.hero-image {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-image img {
    max-width: 500px;
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Main Content */
.main-content {
    background-color: #ffffff;
}

.article-content {
    padding: 80px 0;
}

.article-content .container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    align-items: start;
}

.article-body {
    max-width: none;
}

/* Content Sections */
.content-section {
    margin-bottom: 50px;
}

.lead-paragraph {
    font-size: 1.25rem;
    font-weight: 400;
    color: #4a5568;
    margin-bottom: 30px;
    line-height: 1.7;
}

.content-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 25px;
    line-height: 1.3;
    position: relative;
}

.content-section h2::before {
    content: '🔥';
    margin-right: 15px;
    font-size: 2rem;
}

.content-section h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #2d3748;
    margin: 35px 0 20px 0;
}

.content-section h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2d3748;
    margin: 25px 0 15px 0;
}

.content-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #4a5568;
}

/* Thermogenesis Types */
.thermogenesis-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.type-card {
    background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    border: 2px solid #f59e0b;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.type-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(245, 158, 11, 0.2);
}

.type-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.type-card h4 {
    font-size: 1.3rem;
    color: #92400e;
    margin-bottom: 15px;
}

.type-card p {
    font-size: 1rem;
    color: #78350f;
    line-height: 1.6;
    margin: 0;
}

/* Image Container */
.image-container {
    margin: 40px 0;
    text-align: center;
}

.image-container img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.image-caption {
    font-style: italic;
    color: #6b7280;
    margin-top: 15px;
    font-size: 1rem;
}

/* Ingredient Thermogenic */
.ingredient-thermogenic {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    padding: 25px;
    border-radius: 12px;
    margin: 25px 0;
    border-left: 4px solid #dc2626;
}

.ingredient-thermogenic h4 {
    color: #991b1b;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.ingredient-thermogenic p {
    color: #7f1d1d;
    margin: 0;
    font-size: 1.05rem;
}

/* Food Categories */
.food-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.food-category {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-top: 4px solid #f59e0b;
}

.food-category h4 {
    color: #92400e;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.food-category ul {
    list-style: none;
    margin-bottom: 15px;
}

.food-category ul li {
    padding: 5px 0;
    color: #4a5568;
    position: relative;
    padding-left: 20px;
}

.food-category ul li::before {
    content: "•";
    color: #f59e0b;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.food-category p {
    font-size: 0.95rem;
    color: #6b7280;
    margin: 0;
    font-style: italic;
}

/* Timeline Items */
.timeline-item {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 30px;
    border-radius: 15px;
    margin: 30px 0;
    border-left: 5px solid #0ea5e9;
}

.timeline-item h4 {
    color: #0c4a6e;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.timeline-item ul {
    list-style: none;
    margin: 0;
}

.timeline-item ul li {
    padding: 8px 0;
    color: #075985;
    position: relative;
    padding-left: 25px;
}

.timeline-item ul li::before {
    content: "✓";
    color: #0ea5e9;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Research Highlights */
.research-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.research-item {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 25px;
    border-radius: 12px;
    border: 2px solid #e2e8f0;
    transition: transform 0.3s ease;
}

.research-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.research-item h4 {
    color: #1e293b;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.research-item p {
    color: #475569;
    margin: 0;
    font-size: 1rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #dc2626 0%, #f97316 50%, #eab308 100%);
    padding: 60px 40px;
    border-radius: 20px;
    text-align: center;
    margin: 60px 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="flames" x="0" y="0" width="30" height="30" patternUnits="userSpaceOnUse"><path d="M15,25 Q10,15 15,10 Q20,15 15,25" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23flames)"/></svg>');
    opacity: 0.2;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 35px;
    opacity: 0.95;
    color: white;
}

.cta-guarantee {
    font-size: 1rem;
    margin-top: 20px;
    opacity: 0.9;
    color: white;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background-color: #10b981;
    color: white;
    border-color: #10b981;
}

.btn-primary:hover {
    background-color: #059669;
    border-color: #059669;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background-color: white;
    color: #dc2626;
    transform: translateY(-2px);
}

.btn-accent {
    background-color: #8b5cf6;
    color: white;
    border-color: #8b5cf6;
    width: 100%;
    text-align: center;
}

.btn-accent:hover {
    background-color: #7c3aed;
    border-color: #7c3aed;
    transform: translateY(-2px);
}

/* Sidebar Styles */
.sidebar {
    position: sticky;
    top: 120px;
}

.sidebar-widget {
    background-color: #f8fafc;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    border: 1px solid #e2e8f0;
}

.sidebar-widget h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1a202c;
    margin-bottom: 20px;
}

.benefits-list {
    list-style: none;
}

.benefits-list li {
    margin-bottom: 12px;
    font-size: 1.1rem;
    color: #4a5568;
    display: flex;
    align-items: center;
    gap: 10px;
}

.benefits-list li::before {
    content: "🔥";
    font-size: 1rem;
}

.related-links {
    list-style: none;
}

.related-links li {
    margin-bottom: 12px;
}

.related-links a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.related-links a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.fact-box {
    background-color: #fef3c7;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #f59e0b;
}

.fact-box p {
    margin: 0;
    font-size: 1rem;
    color: #92400e;
}

.cta-widget {
    background: linear-gradient(135deg, #dc2626 0%, #f97316 100%);
    color: white;
}

.cta-widget h4 {
    color: white;
}

.cta-widget p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 60px 0 30px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h5 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #60d669;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom a {
    color: #60d669;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .article-content .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .sidebar {
        position: static;
    }
    
    .thermogenesis-types {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .food-categories {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
    
    .research-highlights {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .content-section h2 {
        font-size: 2rem;
    }
    
    .content-section h3 {
        font-size: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .thermogenesis-types {
        grid-template-columns: 1fr;
    }
    
    .food-categories {
        grid-template-columns: 1fr;
    }
    
    .research-highlights {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-section {
        padding: 50px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .article-content {
        padding: 50px 0;
    }
    
    .sidebar-widget {
        padding: 20px;
    }
    
    .type-card {
        padding: 20px;
    }
    
    .timeline-item {
        padding: 20px;
    }
    
    .research-item {
        padding: 20px;
    }
}