body{
    font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
    margin:0;
    background:#f5f7fb;
    color:#1f2937;
    text-align:center;
}

.hero{
    padding:80px 20px 60px;
    max-width:900px;
    margin:auto;
}

.logo{
    width:300px;
    margin-bottom:30px;
}

h1{
    font-size:36px;
    margin-bottom:10px;
}

p{
    font-size:18px;
    line-height:1.6;
}

.concept{
    padding:60px 20px;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:20px;
    max-width:900px;
    margin:auto;
}

.card{
    background:white;
    padding:25px;
    border-radius:12px;
    box-shadow:0 10px 25px rgba(0,0,0,0.05);
}

.social{
    padding:60px 20px;
}

.social-links{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:18px;
    margin-top:20px;
}

.social-links a{
    width:52px;
    height:52px;
    border-radius:50%;
    background:#ffffff;
    display:flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 8px 20px rgba(0,0,0,0.06);
    color:#111827;
    text-decoration:none;
    transition:transform 0.2s ease;
}

.social-links a:hover{
    transform:translateY(-2px);
}

.social-links svg{
    width:24px;
    height:24px;
    display:block;
}

.contact{
    padding:60px 20px;
    max-width:600px;
    margin:auto;
}

form{
    display:flex;
    flex-direction:column;
    gap:15px;
}

input,textarea{
    padding:12px;
    border-radius:8px;
    border:1px solid #ddd;
    font-size:16px;
}

button{
    background:#2563eb;
    color:white;
    border:none;
    padding:14px;
    border-radius:8px;
    font-size:16px;
    cursor:pointer;
}

footer{
    padding:40px 20px;
    font-size:14px;
    opacity:0.7;
}