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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.nav a:hover,
.nav a.active {
    background-color: rgba(255,255,255,0.2);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Conditions Section */
.conditions {
    padding: 4rem 0;
    background-color: white;
}

.conditions-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.conditions-text {
    flex: 1;
}

.conditions-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #1e3c72;
}

.condition-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.condition-item {
    padding: 1.5rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.condition-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #1e3c72;
}

.condition-item p {
    color: #666;
    line-height: 1.8;
    font-size: 1.1rem;
}

.condition-item strong {
    color: #1e3c72;
    font-size: 1.2rem;
}

.conditions-image {
    flex: 1;
}

.conditions-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* Example Section */
.example {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e3c72;
}

.example-box {
    background: white;
    border-radius: 10px;
    padding: 2.5rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    max-width: 900px;
    margin: 0 auto;
}

.example-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #667eea;
}

.example-header h3 {
    font-size: 2rem;
    color: #1e3c72;
}

.example-details {
    margin-bottom: 2rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: #f8f9fa;
    border-radius: 5px;
}

.detail-row .label {
    font-weight: 600;
    color: #666;
}

.detail-row .value {
    color: #1e3c72;
    font-weight: bold;
    font-size: 1.1rem;
}

.calculation {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid #e0e0e0;
}

.calculation h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #1e3c72;
}

.calc-item {
    padding: 1rem;
    margin-bottom: 0.8rem;
    background: #f8f9fa;
    border-radius: 5px;
    border-left: 3px solid #667eea;
}

.calc-item.highlight {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border-left-color: #f39c12;
    font-size: 1.1rem;
}

.calc-item p {
    margin: 0;
    color: #333;
}

.example-note {
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border-radius: 5px;
    border-left: 4px solid #f39c12;
}

.example-note p {
    color: #856404;
    line-height: 1.8;
    margin: 0;
}

/* Transparency Section */
.transparency {
    padding: 4rem 0;
    background-color: white;
}

.transparency-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.transparency-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #1e3c72;
}

.transparency-content > p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 3rem;
}

.transparency-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.transparency-item {
    padding: 2rem;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-radius: 10px;
    border-top: 4px solid #4caf50;
}

.transparency-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2e7d32;
}

.transparency-item p {
    color: #1b5e20;
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.btn-primary {
    display: inline-block;
    background-color: #ff6b6b;
    color: white;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(255,107,107,0.4);
}

/* Footer */
.footer {
    background-color: #1e3c72;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-section a {
    display: block;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .conditions-content {
        flex-direction: column;
    }

    .detail-row {
        flex-direction: column;
        gap: 0.5rem;
    }

    .transparency-features {
        grid-template-columns: 1fr;
    }
}