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

body{
    font-family: Inter, Arial, sans-serif;
    background:#ffffff;
    color:#111827;
    line-height:1.6;
}

.container{
    max-width:1200px;
    margin:auto;
    padding:0 24px;
}

header{
    border-bottom:1px solid #e5e7eb;
    background:#ffffff;
    position:sticky;
    top:0;
    z-index:100;
}

.nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    height:80px;
}

.logo{
    font-size:24px;
    font-weight:700;
    color:#0f172a;
    text-decoration:none;
}

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

.nav-links a{
    text-decoration:none;
    color:#374151;
    font-weight:500;
}

.btn-primary{
    background:#0f172a;
    color:#ffffff;
    padding:14px 24px;
    border-radius:10px;
    text-decoration:none;
    display:inline-block;
    font-weight:600;
}

.btn-primary:hover{
    opacity:.9;
}

.btn-secondary{
    border:1px solid #d1d5db;
    color:#111827;
    padding:14px 24px;
    border-radius:10px;
    text-decoration:none;
    display:inline-block;
    font-weight:600;
}

.hero{
    padding:120px 0;
    text-align:center;
}

.hero h1{
    font-size:64px;
    line-height:1.1;
    margin-bottom:24px;
}

.hero p{
    max-width:800px;
    margin:auto;
    font-size:22px;
    color:#6b7280;
}

.hero-buttons{
    margin-top:40px;
    display:flex;
    justify-content:center;
    gap:16px;
    flex-wrap:wrap;
}

.section{
    padding:80px 0;
}

.section-title{
    text-align:center;
    margin-bottom:50px;
}

.section-title h2{
    font-size:42px;
}

.section-title p{
    color:#6b7280;
    margin-top:10px;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:24px;
}

.card{
    border:1px solid #e5e7eb;
    border-radius:16px;
    padding:30px;
    background:#ffffff;
}

.card h3{
    margin-bottom:10px;
}

.card p{
    color:#6b7280;
}

.pricing-card{
    border:1px solid #e5e7eb;
    border-radius:20px;
    padding:40px;
    text-align:center;
}

.price{
    font-size:48px;
    font-weight:700;
    margin:20px 0;
}

.feature-list{
    list-style:none;
    margin:20px 0;
}

.feature-list li{
    margin-bottom:12px;
}

.download-box{
    max-width:700px;
    margin:auto;
    border:1px solid #e5e7eb;
    border-radius:20px;
    padding:40px;
    text-align:center;
}

.form-box{
    max-width:500px;
    margin:auto;
    border:1px solid #e5e7eb;
    border-radius:20px;
    padding:40px;
}

input{
    width:100%;
    padding:14px;
    border:1px solid #d1d5db;
    border-radius:10px;
    margin-bottom:16px;
}

.oauth-btn{
    width:100%;
    padding:14px;
    margin-bottom:12px;
    border:1px solid #d1d5db;
    background:#ffffff;
    border-radius:10px;
    cursor:pointer;
    font-weight:600;
}

footer{
    border-top:1px solid #e5e7eb;
    padding:40px 0;
    margin-top:80px;
    text-align:center;
    color:#6b7280;
}

@media(max-width:768px){

    .hero h1{
        font-size:42px;
    }

    .hero p{
        font-size:18px;
    }

    .nav-links{
        display:none;
    }

}

.section-dark{
    background:#f8fafc;
}

.badge{
    display:inline-block;
    padding:12px 24px;
    border-radius:999px;
    background:#e2e8f0;
    font-size:20px;
    margin-bottom:16px;
}

small{
    color:#6b7280;
}

.download-box h2{
    margin-bottom:10px;
}

.download-box p{
    color:#6b7280;
}

.pricing-card{
    transition:.2s;
}

.pricing-card:hover{
    transform:translateY(-4px);
}

.card{
    transition:.2s;
}

.card:hover{
    transform:translateY(-3px);
}

.form-box h1{
    margin-bottom:10px;
}

.oauth-btn:hover{
    background:#f8fafc;
}

input:focus{
    outline:none;
    border-color:#0f172a;
}

.form-box{
    background:#ffffff;
}

textarea:focus{
    outline:none;
    border-color:#0f172a;
}

textarea:focus{
    outline:none;
    border-color:#0f172a;
}

footer a{
    text-decoration:none;
    color:#6b7280;
}

footer a:hover{
    color:#111827;
}

footer h3{
    margin-bottom:10px;
}

.free-banner{
background:#0f172a;
color:#fff;
padding:12px;
text-align:center;
font-weight:600;
}

.free-highlight{
border:2px solid #0f172a;
position:relative;
}

.free-highlight::before{
content:"MOST POPULAR";
position:absolute;
top:-12px;
left:50%;
transform:translateX(-50%);
background:#0f172a;
color:white;
padding:4px 12px;
border-radius:20px;
font-size:12px;
}