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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    color: #2c3e50;
    background-color: #ffffff;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background: #2c3e50;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 0.95rem;
    transition: opacity 0.2s;
}

.nav-links a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: #34495e;
    color: white;
    padding: 5rem 0;
    text-align: left;
}

.hero h2 {
    font-size: 2.2rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    max-width: 900px;
}

.hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 400;
}

/* Sections */
.section {
    padding: 4rem 0;
}

.alt-bg {
    background-color: #f8f9fa;
}

.section h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.content-block {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #34495e;
}

.content-block p {
    margin-bottom: 1.5rem;
}

.content-block p:last-child {
    margin-bottom: 0;
}

/* Lists */
.problem-list,
.solution-list {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.problem-list li,
.solution-list li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.problem-list li::marker {
    color: #e74c3c;
}

.solution-list li::marker {
    color: #27ae60;
}

/* Emphasis */
.emphasis {
    font-size: 1.15rem;
    font-weight: 500;
    color: #2c3e50;
    margin-bottom: 2rem !important;
}

/* Comparison */
.comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.comparison-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.comparison-item ul {
    list-style: none;
    padding-left: 0;
}

.comparison-item ul li {
    padding-left: 1.5rem;
    margin-bottom: 0.6rem;
    position: relative;
}

.comparison-item ul li:before {
    content: "—";
    position: absolute;
    left: 0;
    color: #7f8c8d;
}

.comparison-item p {
    margin-bottom: 1rem;
}

/* Target Grid */
.target-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.target-box {
    background: white;
    padding: 2rem;
    border-left: 4px solid #3498db;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.target-box.not-for {
    border-left-color: #95a5a6;
}

.target-box h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.target-box ul {
    list-style: none;
    padding-left: 0;
}

.target-box ul li {
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    position: relative;
    line-height: 1.6;
}

.target-box ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
    font-size: 1.2rem;
}

.target-box.not-for ul li:before {
    color: #95a5a6;
}

/* CTA Section */
.cta-section {
    background: #2c3e50;
    color: white;
}

.cta-section h2 {
    color: white;
}

.cta-section .content-block {
    color: #ecf0f1;
}

.cta-section ul {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.cta-section ul li {
    margin-bottom: 0.8rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background 0.2s;
}

.cta-button:hover {
    background: #2980b9;
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid #3498db;
    color: #3498db;
}

.cta-button.secondary:hover {
    background: #3498db;
    color: white;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-top: 2rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.contact-info p {
    margin-bottom: 1.5rem;
    color: #34495e;
}

.contact-email {
    padding: 1.5rem;
    background: white;
    border-left: 4px solid #3498db;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.contact-email strong {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.contact-email a {
    color: #3498db;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: color 0.2s;
}

.contact-email a:hover {
    color: #2980b9;
    text-decoration: underline;
}

.contact-form-container h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

.form-group input:invalid:not(:placeholder-shown),
.form-group select:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: #e74c3c;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.error-message {
    display: block;
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    min-height: 1.2rem;
}

.submit-button {
    width: 100%;
    padding: 1rem 2rem;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
    font-family: inherit;
}

.submit-button:hover {
    background: #2980b9;
}

.submit-button:active {
    background: #21618c;
}

.submit-button:disabled {
    background: #95a5a6;
    cursor: not-allowed;
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-status.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-status.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Footer */
footer {
    background: #1a252f;
    color: #bdc3c7;
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.85rem;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .hero h2 {
        font-size: 1.6rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section h2 {
        font-size: 1.6rem;
    }
    
    .comparison,
    .target-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-button {
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}