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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', system-ui, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #fafafa;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e5e5;
    z-index: 1000;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #0066ff;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #0066ff;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Hero Section */
.hero {
    padding: 120px 0 60px;
    max-width: 700px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: #666;
    line-height: 1.5;
    max-width: 560px;
}

/* Services Section */
#services {
    padding: 60px 0;
    border-top: 1px solid #e5e5e5;
    background: #ffffff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.service {
    padding: 24px;
    border-radius: 8px;
    background: #fafafa;
    border: 1px solid #f0f0f0;
    transition: all 0.2s ease;
}

.service:hover {
    border-color: #0066ff;
    transform: translateY(-2px);
}

.service h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.service p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* About Section */
#about {
    padding: 60px 0;
    border-top: 1px solid #e5e5e5;
}

.about-content {
    max-width: 700px;
}

.about-content h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    color: #1a1a1a;
}

.about-content h2::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
    margin-right: 12px;
    border-radius: 2px;
}

.about-content p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 16px;
}

/* Contact Section */
#contact {
    padding: 60px 0;
    border-top: 1px solid #e5e5e5;
    background: #ffffff;
}

.contact-content {
    max-width: 700px;
}

.contact-content h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    color: #1a1a1a;
}

.contact-content p {
    font-size: 15px;
    color: #0066ff;
    font-weight: 500;
}

/* Footer */
footer {
    border-top: 1px solid #e5e5e5;
    padding: 32px 32px;
    max-width: 1200px;
    margin: 0 auto;
}

footer p {
    font-size: 13px;
    color: #999;
}

/* Responsive */
@media (max-width: 900px) {
    .nav-content,
    main,
    footer {
        padding-left: 20px;
        padding-right: 20px;
    }

    .hero {
        padding: 100px 0 50px;
    }

    .hero h1 {
        font-size: 40px;
    }

    .hero p {
        font-size: 16px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .nav-links {
        gap: 20px;
    }
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 15px;
    }

    .nav-links a {
        font-size: 13px;
    }
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 40px;
    }

    .hero p {
        font-size: 16px;
    }

    .nav-links a {
        font-size: 14px;
    }
}