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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    min-height: 100vh;
}

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

/* Header */
.hero {
    background: 
        linear-gradient(135deg, rgba(45, 55, 72, 0.9) 0%, rgba(26, 32, 56, 0.95) 100%),
        url('./hero-bg.png') center/cover;
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 69, 19, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(72, 187, 120, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.hero h1 {
    font-size: 3.5em;
    font-weight: 700;
    margin-bottom: 0.5em;
    letter-spacing: -1px;
}

.tagline {
    font-size: 1.4em;
    margin-bottom: 1em;
    opacity: 0.9;
}

.subtitle {
    font-size: 1.1em;
    margin-bottom: 2em;
    opacity: 0.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.quick-start {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 2em;
    margin: 2em auto;
    max-width: 700px;
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

.quick-start h3 {
    margin-bottom: 1em;
    font-size: 1.3em;
}

.quick-start code {
    display: block;
    background: rgba(0, 0, 0, 0.2);
    padding: 1em;
    border-radius: 8px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9em;
    margin: 1em 0;
    word-break: break-all;
    line-height: 1.4;
}

/* Sections */
section {
    padding: 60px 0;
}

section:nth-child(even) {
    background: white;
}

h2 {
    font-size: 2.5em;
    margin-bottom: 1em;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Demo Section */
.demo {
    background: white;
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3em;
    margin: 2em 0;
}

.address-examples h3 {
    background: linear-gradient(135deg, #667eea 0%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1em;
    font-size: 1.3em;
}

.address-examples ul {
    list-style: none;
}

.address-examples li {
    padding: 0.8em;
    margin: 0.5em 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(240, 147, 251, 0.05) 100%);
    border-radius: 12px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.address {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9em;
    background: #e9ecef;
    padding: 2px 6px;
    border-radius: 4px;
    word-break: break-all;
}

.demo-note {
    text-align: center;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1) 0%, rgba(102, 126, 234, 0.1) 100%);
    padding: 1.5em;
    border-radius: 12px;
    margin-top: 2em;
    border: 1px solid rgba(33, 150, 243, 0.2);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.refresh-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.refresh-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* Features */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2em;
    margin-top: 2em;
}

.feature {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
    padding: 2em;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature:hover::before {
    left: 100%;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature h3 {
    font-size: 1.3em;
    margin-bottom: 1em;
    color: #2c3e50;
}

/* Usage Examples */
.code-example {
    margin: 2em 0;
}

.code-example h3 {
    color: #667eea;
    margin-bottom: 1em;
    text-align: left;
}

.code-example pre {
    background: #2d3748;
    color: #e2e8f0;
    padding: 1.5em;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9em;
    line-height: 1.5;
}

/* Philosophy */
.philosophy {
    background: #f8f9fa;
}

.comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3em;
    margin-top: 2em;
}

.approach {
    background: white;
    padding: 2em;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.approach h3 {
    color: #2c3e50;
    margin-bottom: 1em;
    text-align: center;
}

.approach ul {
    list-style: none;
}

.approach li {
    padding: 0.5em 0;
    border-bottom: 1px solid #eee;
}

.approach li:last-child {
    border-bottom: none;
}

.approach li:before {
    content: "✓ ";
    color: #27ae60;
    font-weight: bold;
}

/* Disclaimer */
.disclaimer {
    background: linear-gradient(135deg, #2c1810 0%, #4a2c2a 100%);
    color: #ffccbc;
    padding: 3rem 0;
    border-top: 3px solid #ff6b35;
}

.disclaimer h2 {
    color: #ff8a65;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 2rem;
}

.disclaimer-content p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.disclaimer-content ul {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.disclaimer-content li {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.disclaimer-content a {
    color: #81c784;
    font-weight: 600;
}

.disclaimer-content a:hover {
    color: #a5d6a7;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 2em 0;
    text-align: center;
}

footer a {
    color: #3498db;
    text-decoration: none;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5em;
    }
    
    .demo-content,
    .comparison {
        grid-template-columns: 1fr;
    }
    
    .quick-start {
        margin: 2em 1em;
    }
    
    .container {
        padding: 0 15px;
    }
}