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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #000;
    background: #fff;
}

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

/* Header */
header {
    padding: 40px 0;
    text-align: center;
}

.logo {
    max-width: 500px;
    width: 100%;
    height: auto;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 30px;
    color: #000;
}

.tagline {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 40px;
}

.cta-button {
    display: inline-block;
    padding: 18px 40px;
    background: #3E93FA;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #2a7de0;
}

/* Sections */
section {
    padding: 60px 0;
    border-top: 1px solid #eee;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #000;
}

section p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
    margin-bottom: 15px;
}

/* About Section */
.about {
    background: #f9f9f9;
}

/* AIRS Section */
.airs {
    text-align: center;
}

.link-button {
    display: inline-block;
    padding: 15px 35px;
    background: #F99317;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    margin-top: 20px;
    transition: background 0.3s;
}

.link-button:hover {
    background: #e07d0a;
}

/* Contact Section */
.contact {
    text-align: center;
}

.contact a {
    color: #3E93FA;
    text-decoration: none;
    font-size: 1.2rem;
}

.contact a:hover {
    text-decoration: underline;
}

.social-links {
    margin-top: 30px;
    display: flex;
    gap: 30px;
    justify-content: center;
}

.social-links a {
    color: #666;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: #3E93FA;
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid #eee;
    color: #999;
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    section h2 {
        font-size: 1.6rem;
    }
    
    .logo {
        max-width: 300px;
    }
}