*{
margin:0;
padding:0;
box-sizing:border-box;
-webkit-tap-highlight-color:transparent;
}

:root{

--bg:#f5f8ff;
--card:rgba(255,255,255,.75);

--text:#111827;

--secondary:#64748b;

--accent:#00d4ff;

--border:#e5e7eb;

}

body.dark{

--bg:#070b16;

--card:rgba(17,24,39,.75);

--text:#ffffff;

--secondary:#94a3b8;

--accent:#00d4ff;

--border:#1e293b;

}

body{

font-family:'Inter',sans-serif;

background:var(--bg);

color:var(--text);

min-height:100vh;

padding:20px;

transition:.4s;

overflow-x:hidden;

}

.bg-blur{

position:fixed;

border-radius:50%;

filter:blur(120px);

z-index:-1;

}

.bg1{

width:300px;
height:300px;

background:#00d4ff55;

top:-100px;
left:-100px;

}

.bg2{

width:350px;
height:350px;

background:#7c3aed55;

right:-120px;
bottom:-120px;

}

.container{

max-width:700px;

margin:auto;

background:var(--card);

backdrop-filter:blur(20px);

-webkit-backdrop-filter:blur(20px);

border:1px solid var(--border);

border-radius:30px;

padding:25px;

box-shadow:
0 10px 40px rgba(0,0,0,.1);

}

.header{

text-align:center;

margin-bottom:25px;

}

.logo{

display:inline-block;

padding:8px 18px;

border-radius:999px;

background:rgba(0,212,255,.15);

color:#00d4ff;

font-weight:700;

margin-bottom:15px;

}

.header h1{

font-size:2.8rem;

font-weight:800;

background:
linear-gradient(
90deg,
#00d4ff,
#7c3aed
);

-webkit-background-clip:text;

-webkit-text-fill-color:transparent;

margin-bottom:10px;

}

.header p{

color:var(--secondary);

}

.theme-toggle{

margin-top:15px;

border:none;

padding:12px 20px;

border-radius:999px;

cursor:pointer;

background:var(--card);

color:var(--text);

border:1px solid var(--border);

font-weight:600;

}

.input-group{

margin-top:25px;

display:flex;

gap:10px;

flex-wrap:wrap;

}

#urlInput{

flex:1;

padding:16px;

border-radius:16px;

border:1px solid var(--border);

background:var(--card);

color:var(--text);

outline:none;

font-size:.95rem;

min-width:200px;

}

.btn-download{

padding:16px 24px;

border:none;

border-radius:16px;

cursor:pointer;

font-weight:700;

color:white;

background:
linear-gradient(
135deg,
#00d4ff,
#7c3aed
);

box-shadow:
0 10px 30px rgba(0,212,255,.35);

transition:.3s;

}

.btn-download:hover{

transform:translateY(-3px);

}

.info-box{

margin-top:18px;

padding:15px;

border-radius:16px;

background:rgba(0,212,255,.08);

border:1px solid rgba(0,212,255,.2);

text-align:center;

color:var(--secondary);

}

.result-card{

display:none;

margin-top:25px;

padding:18px;

border-radius:24px;

background:var(--card);

border:1px solid var(--border);

}

.result-card.show{

display:block;

animation:show .4s ease;

}

@keyframes show{

from{
opacity:0;
transform:translateY(15px);
}

to{
opacity:1;
transform:translateY(0);
}

}

.video-preview{

overflow:hidden;

border-radius:18px;

}

video{

width:100%;

border-radius:18px;

background:black;

}

.video-info{

margin-top:15px;

display:flex;

justify-content:space-between;

align-items:center;

gap:15px;

flex-wrap:wrap;

}

.meta-text{

padding:10px 15px;

border-radius:999px;

background:rgba(0,212,255,.1);

color:var(--text);

font-size:.85rem;

font-weight:600;

}

.action-btn{

text-decoration:none;

padding:12px 18px;

border-radius:999px;

font-weight:700;

}

.primary{

background:
linear-gradient(
135deg,
#00d4ff,
#7c3aed
);

color:white;

}

.error-msg{

margin-top:20px;

padding:15px;

border-radius:15px;

background:#ffebee;

color:#d32f2f;

}

footer{

text-align:center;

margin-top:25px;

color:var(--secondary);

font-size:.85rem;

}

@media(max-width:600px){

.header h1{
font-size:2.1rem;
}

.btn-download{
width:100%;
}

#urlInput{
width:100%;
}

}
.promo-card{
    margin-top:30px;
    background:rgba(255,255,255,.8);
    border-radius:24px;
    overflow:hidden;
    border:1px solid rgba(0,0,0,.08);
    backdrop-filter:blur(10px);
}

.promo-card img{
    width:100%;
    display:block;
}

.promo-content{
    padding:20px;
}

.promo-content h3{
    margin-bottom:10px;
}

.promo-content p{
    opacity:.8;
    line-height:1.6;
}

.promo-btn{
    display:inline-block;
    margin-top:15px;
    padding:12px 20px;
    border-radius:12px;
    text-decoration:none;
    font-weight:600;
    color:white;
    background:linear-gradient(
        135deg,
        #229ED9,
        #4A6CFF
    );
}
.promo-btn{
    animation:pulse 2s infinite;
}

@keyframes pulse{
    0%{transform:scale(1);}
    50%{transform:scale(1.05);}
    100%{transform:scale(1);}
}
.promo-card{
    transition:0.3s;
}

.promo-card:hover{
    transform:translateY(-5px);
}
/* PROMO CARD */
.promo-card{
    margin-top:20px;
    width:100%;
    background:rgba(255,255,255,0.05);
    border-radius:20px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,0.1);
}

.promo-card img{
    width:100%;
    display:block;
    height:auto;
    object-fit:cover;
}

.promo-content{
    padding:15px;
}

.promo-content h3{
    font-size:24px;
    margin-bottom:10px;
}

.promo-content p{
    font-size:16px;
    line-height:1.5;
    margin-bottom:15px;
}

.promo-btn{
    display:block;
    width:100%;
    text-align:center;
    padding:14px;
    border-radius:12px;
    text-decoration:none;
    color:white;
    font-weight:bold;
    background:linear-gradient(90deg,#27c6ff,#6d4aff);
}

/* RESPONSIVE HP */
@media(max-width:768px){

    .promo-content h3{
        font-size:20px;
    }

    .promo-content p{
        font-size:14px;
    }

}