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

body{
    background:#0f172a;
    color:white;
    font-family:'Segoe UI',sans-serif;
    overflow-x:hidden;
}

.container{
    width:90%;
    max-width:1300px;
    margin:auto;
}

a{
    text-decoration:none;
}

/* HEADER */

.landing-header{
    position:fixed;
    width:100%;
    top:0;
    z-index:1000;
    background:rgba(15,23,42,.9);
    backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(255,255,255,.05);
}

.landing-header .container{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 0;
}

.logo{
    font-size:24px;
    font-weight:800;
    color:#3b82f6;
}

.header-buttons{
    display:flex;
    gap:15px;
}

.btn-login{
    color:white;
    padding:12px 22px;
    border-radius:12px;
    transition:.3s;
}

.btn-login:hover{
    background:rgba(255,255,255,.08);
}

.btn-register{
    background:#2563eb;
    color:white;
    padding:12px 22px;
    border-radius:12px;
    font-weight:700;
    transition:.3s;
}

.btn-register:hover{
    transform:translateY(-2px);
}

/* HERO */

.hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    position:relative;
    text-align:center;
    background:
    linear-gradient(
        rgba(15,23,42,.7),
        rgba(15,23,42,.9)
    ),
    url("https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3");
    background-size:cover;
    background-position:center;
}

.hero-content{
    position:relative;
    z-index:2;
}

.hero h1{
    font-size:72px;
    margin-bottom:20px;
    font-weight:900;
}

.hero p{
    max-width:700px;
    margin:auto;
    font-size:22px;
    color:#cbd5e1;
    line-height:1.7;
}

.hero-buttons{
    margin-top:40px;
    display:flex;
    justify-content:center;
    gap:20px;
}

.btn-primary{
    background:#2563eb;
    color:white;
    padding:16px 34px;
    border-radius:14px;
    font-weight:700;
    transition:.3s;
}

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

.btn-secondary{
    border:1px solid rgba(255,255,255,.2);
    color:white;
    padding:16px 34px;
    border-radius:14px;
}

.btn-secondary:hover{
    background:rgba(255,255,255,.08);
}

/* FEATURES */

.features{
    padding:120px 0;
}

.features h2{
    text-align:center;
    font-size:42px;
    margin-bottom:60px;
}

.features-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:30px;
}

.feature-card{
    background:#111827;
    padding:35px;
    border-radius:24px;
    text-align:center;
    transition:.3s;
    border:1px solid rgba(255,255,255,.05);
}

.feature-card:hover{
    transform:translateY(-6px);
}

.feature-card i{
    font-size:42px;
    color:#3b82f6;
    margin-bottom:20px;
}

.feature-card h3{
    margin-bottom:12px;
}

.feature-card p{
    color:#94a3b8;
    line-height:1.7;
}

/* SCREENS */

.screenshots{
    padding:120px 0;
    background:#111827;
}

.screenshots h2{
    text-align:center;
    font-size:42px;
    margin-bottom:60px;
}

.screens-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:30px;
}

.screen-card{
    background:#1e293b;
    border-radius:24px;
    overflow:hidden;
}

.screen-card img{
    width:100%;
    height:260px;
    object-fit:cover;
}

.screen-card h3{
    padding:20px;
    text-align:center;
}

/* PRICING */

.pricing{
    padding:120px 0;
}

.pricing h2{
    text-align:center;
    font-size:42px;
    margin-bottom:60px;
}

.pricing-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:30px;
}

.price-card{
    background:#111827;
    padding:40px;
    border-radius:24px;
    position:relative;
    text-align:center;
    border:1px solid rgba(255,255,255,.05);
}

.price-card h3{
    margin-bottom:20px;
}

.price{
    font-size:54px;
    font-weight:900;
    color:#3b82f6;
    margin-bottom:25px;
}

.price-card ul{
    list-style:none;
}

.price-card li{
    margin-bottom:15px;
    color:#cbd5e1;
}

.popular{
    border:2px solid #2563eb;
}

.badge{
    position:absolute;
    top:-15px;
    left:50%;
    transform:translateX(-50%);
    background:#2563eb;
    padding:8px 18px;
    border-radius:50px;
    font-size:13px;
    font-weight:700;
}

/* REVIEWS */

.reviews{
    padding:120px 0;
    background:#111827;
}

.reviews h2{
    text-align:center;
    margin-bottom:60px;
    font-size:42px;
}

.review-slider{
    max-width:800px;
    margin:auto;
}

.review{
    display:none;
    text-align:center;
    padding:40px;
    background:#1e293b;
    border-radius:24px;
}

.review.active{
    display:block;
}

.review h3{
    font-size:32px;
    margin-bottom:20px;
}

.review p{
    font-size:20px;
    line-height:1.8;
    color:#cbd5e1;
    margin-bottom:20px;
}

.review span{
    color:#3b82f6;
    font-weight:700;
}

/* CTA */

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

.cta h2{
    font-size:54px;
    margin-bottom:20px;
}

.cta p{
    color:#94a3b8;
    max-width:700px;
    margin:auto;
    line-height:1.8;
    margin-bottom:35px;
}

/* FOOTER */

footer{
    border-top:1px solid rgba(255,255,255,.05);
    padding:35px 0;
    text-align:center;
    color:#94a3b8;
}
.hidden-section{

    opacity:0;

    transform:
    translateY(40px);

    transition:
    all .8s ease;
}

.show{

    opacity:1;

    transform:
    translateY(0);
}

/* MOBILE */

@media(max-width:992px){

    .features-grid,
    .screens-grid,
    .pricing-grid{
        grid-template-columns:1fr;
    }

    .hero h1{
        font-size:48px;
    }

    .cta h2{
        font-size:38px;
    }
}

@media(max-width:768px){

    .landing-header .container{
        flex-direction:column;
        gap:15px;
    }

    .hero{
        padding:120px 0 80px;
    }

    .hero h1{
        font-size:38px;
    }

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

    .hero-buttons{
        flex-direction:column;
    }

    .btn-primary,
    .btn-secondary{
        width:100%;
    }

    .features h2,
    .screenshots h2,
    .pricing h2,
    .reviews h2{
        font-size:30px;
    }

    .price{
        font-size:42px;
    }

    .cta h2{
        font-size:30px;
    }
}