* {
    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: #fafafa;
}

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

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h2 {
    color: #2563eb;
    font-weight: 700;
}

.whatsapp-btn {
    background: #25d366;
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn:hover {
    background: #1ea952;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    margin-top: 70px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.highlight {
    color: #fbbf24;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-features {
    margin-bottom: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1.1rem;
    font-weight: 500;
}

.hero-ctas {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-primary {
    background: #25d366;
    color: white;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

.cta-primary:hover {
    background: #1ea952;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.4);
}

.cta-secondary {
    background: transparent;
    color: white;
    padding: 16px 32px;
    border: 2px solid white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.cta-secondary:hover {
    background: white;
    color: #667eea;
}

.hero-image {
    text-align: center;
}

.dog-illustration {
    font-size: 200px;
    opacity: 0.9;
}

/* Problem Section */
.problem-section {
    padding: 100px 0;
    background: white;
}

.problem-section h2 {
    text-align: center;
    font-size: 2.8rem;
    color: #dc2626;
    margin-bottom: 4rem;
    font-weight: 700;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.problem-card {
    background: #fef2f2;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid #fecaca;
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(220, 38, 38, 0.1);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    color: #dc2626;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.problem-card p {
    color: #7f1d1d;
    line-height: 1.6;
}

/* Solution Section */
.solution-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.solution-section h2 {
    font-size: 2.8rem;
    color: #1e40af;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.brand-name {
    color: #2563eb;
    background: linear-gradient(45deg, #2563eb, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.solution-subtitle {
    font-size: 1.2rem;
    color: #475569;
    margin-bottom: 3rem;
}

.solution-benefits {
    display: grid;
    gap: 25px;
}

.benefit-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.benefit-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.benefit-text h4 {
    color: #1e40af;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.benefit-text p {
    color: #64748b;
}

.solution-visual {
    text-align: center;
}

.tablet-showcase {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.tablet {
    font-size: 4rem;
    margin-bottom: 2rem;
}

.protection-timeline h4 {
    color: #1e40af;
    margin-bottom: 1rem;
    font-weight: 600;
}

.timeline-item {
    background: #f1f5f9;
    padding: 15px;
    margin: 10px 0;
    border-radius: 10px;
    border-left: 4px solid #2563eb;
}

/* Why Choose Section */
.why-choose-section {
    padding: 100px 0;
    background: white;
}

.why-choose-section h2 {
    text-align: center;
    font-size: 2.8rem;
    color: #1f2937;
    margin-bottom: 4rem;
    font-weight: 700;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.comparison-card {
    background: #f9fafb;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid #e5e7eb;
    position: relative;
    transition: all 0.3s ease;
}

.comparison-card.winner {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 3px solid #10b981;
    transform: scale(1.02);
}

.comparison-card h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

.comparison-list {
    list-style: none;
    text-align: left;
}

.comparison-list li {
    padding: 10px 0;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.price-tag {
    position: absolute;
    top: -15px;
    right: 20px;
    background: #10b981;
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.9rem;
}

.price-tag.outdated {
    background: #ef4444;
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #374151;
    font-weight: 600;
}

.trust-icon {
    font-size: 1.5rem;
}

/* Product Details Section */
.product-details-section {
    padding: 100px 0;
    background: #f8fafc;
}

.product-details-section h2 {
    text-align: center;
    font-size: 2.8rem;
    color: #1f2937;
    margin-bottom: 4rem;
    font-weight: 700;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 4rem;
}

.dosage-card, .treatment-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.dosage-card h3, .treatment-card h3 {
    color: #1e40af;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
    text-align: center;
}

.dosage-list {
    display: grid;
    gap: 15px;
}

.dosage-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f1f5f9;
    padding: 15px 20px;
    border-radius: 10px;
    border-left: 4px solid #2563eb;
}

.dosage-weight {
    font-weight: 600;
    color: #374151;
}

.dosage-amount {
    font-weight: 700;
    color: #2563eb;
}

.treatment-list {
    display: grid;
    gap: 20px;
}

.treatment-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.parasite-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.parasite-info h4 {
    color: #1e40af;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.parasite-info p {
    color: #64748b;
}

.safety-info {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.safety-info h3 {
    color: #dc2626;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 700;
}

.safety-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.safety-item {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 25px 20px;
    border-radius: 15px;
    border: 2px solid #bae6fd;
    text-align: center;
    transition: all 0.3s ease;
}

.safety-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
    border-color: #60a5fa;
}

.safety-item h4 {
    color: #1e40af;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.safety-item h4::before {
    content: "🛡️";
    font-size: 1.2rem;
}

.safety-item p {
    color: #475569;
    font-weight: 500;
    font-size: 0.95rem;
}

/* WhatsApp Section */
.whatsapp-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #25d366 0%, #1ea952 100%);
    color: white;
}

.whatsapp-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.whatsapp-section h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.whatsapp-section p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.consultation-benefits {
    display: grid;
    gap: 15px;
}

.consultation-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 500;
}

.check-icon {
    font-size: 1.2rem;
}

.whatsapp-cta {
    text-align: center;
}

.whatsapp-visual {
    position: relative;
    margin-bottom: 2rem;
}

.phone-mockup {
    font-size: 8rem;
    margin-bottom: 1rem;
}

.chat-bubble {
    background: white;
    color: #333;
    padding: 20px;
    border-radius: 20px;
    margin: 20px auto;
    max-width: 300px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.chat-bubble::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 30px;
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 15px solid white;
}

.whatsapp-btn-large {
    background: white;
    color: #25d366;
    padding: 25px 50px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.3rem;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    min-width: 300px;
}

.whatsapp-btn-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.whatsapp-icon {
    font-size: 2rem;
}

.whatsapp-subtitle {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 500;
}

/* Testimonials Section */
.testimonials-section {
    padding: 100px 0;
    background: white;
}

.testimonials-section h2 {
    text-align: center;
    font-size: 2.8rem;
    color: #1f2937;
    margin-bottom: 4rem;
    font-weight: 700;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: #f8fafc;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.testimonial-stars {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 2rem;
    line-height: 1.8;
    color: #475569;
}

.testimonial-author {
    color: #1e40af;
    font-weight: 600;
}

/* Final CTA Section */
.final-cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    text-align: center;
}

.final-cta-content h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.final-cta-content > p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.urgency-message {
    background: rgba(239, 68, 68, 0.2);
    border: 2px solid #ef4444;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 3rem;
}

.urgency-icon {
    font-size: 2rem;
}

.final-cta-buttons {
    margin-top: 2rem;
}

.cta-primary-large {
    background: #25d366;
    color: white;
    padding: 25px 60px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.4rem;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.3);
}

.cta-primary-large:hover {
    background: #1ea952;
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(37, 211, 102, 0.4);
}

.cta-subtitle {
    margin-top: 1rem;
    opacity: 0.8;
    font-style: italic;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: #2563eb;
    margin-bottom: 1rem;
    font-weight: 700;
}

.footer-contact h4, .footer-disclaimer h4 {
    margin-bottom: 1rem;
    color: #fbbf24;
    font-weight: 600;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-content,
    .solution-content,
    .whatsapp-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .dog-illustration {
        font-size: 120px;
    }

    .hero-ctas {
        justify-content: center;
    }

    .problems-grid {
        grid-template-columns: 1fr;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .trust-indicators {
        gap: 20px;
    }

    .trust-item {
        font-size: 0.9rem;
    }

    .phone-mockup {
        font-size: 5rem;
    }

    .whatsapp-btn-large {
        min-width: auto;
        width: 100%;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .final-cta-content h2 {
        font-size: 2.2rem;
    }

    .urgency-message {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section {
        padding: 60px 0;
    }

    .problem-section,
    .solution-section,
    .why-choose-section,
    .product-details-section,
    .whatsapp-section,
    .testimonials-section,
    .final-cta-section {
        padding: 60px 0;
    }

    .problem-section h2,
    .solution-section h2,
    .why-choose-section h2,
    .product-details-section h2,
    .whatsapp-section h2,
    .testimonials-section h2 {
        font-size: 2rem;
    }

    .safety-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .cta-primary-large {
        padding: 20px 40px;
        font-size: 1.2rem;
    }
}

/* Extra small screens - single column for safety grid */
@media (max-width: 600px) {
    .safety-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* Loading animation for better perceived performance */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.problem-card,
.benefit-item,
.comparison-card,
.testimonial-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Hover effects for better interactivity */
.problem-card:hover,
.testimonial-card:hover {
    border-color: #2563eb;
}

.benefit-item:hover .benefit-icon {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.safety-item:hover {
    transform: translateY(-3px);
    transition: transform 0.3s ease;
}

/* Accessibility improvements */
.whatsapp-btn:focus,
.cta-primary:focus,
.cta-secondary:focus,
.whatsapp-btn-large:focus,
.cta-primary-large:focus {
    outline: 3px solid #fbbf24;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .whatsapp-section,
    .final-cta-section {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .hero {
        background: none;
        color: black;
    }
}