* {
margin:0;
padding:0;
box-sizing:border-box;
font-family: 'Segoe UI', sans-serif;
}

body {
background:#050505;
color:white;
min-height:100vh;
overflow-x:hidden;
}

/* ФОН */
.bg {
position:fixed;
width:100%;
height:100%;
background:
radial-gradient(circle at 20% 30%, #1a1a1a, transparent),
radial-gradient(circle at 80% 70%, #111, transparent);
z-index:-1;
}

/* HEADER */
header {
text-align:center;
padding:50px 20px;
}

header h1 {
font-size:50px;
letter-spacing:2px;
}

header p {
color:#888;
margin-top:10px;
}

/* INPUT */
.box {
display:flex;
justify-content:center;
margin-bottom:40px;
}

input {
width:300px;
padding:15px;
border-radius:12px;
border:1px solid #222;
background:#0b0b0b;
color:white;
outline:none;
transition:0.3s;
}

input:focus {
border-color:white;
}

/* СЕКЦИИ (PREMIUM / ВАЛЮТА) */
.section-box {
width:260px;
margin:40px auto 20px;
padding:15px;
text-align:center;
background:rgba(255,255,255,0.03);
backdrop-filter:blur(10px);
border:1px solid rgba(255,255,255,0.08);
border-radius:15px;
transition:0.3s;
}

.section-box:hover {
border-color:white;
transform:translateY(-3px);
}

.section-box h2 {
letter-spacing:2px;
font-size:18px;
}

/* КАРТОЧКИ */
.plans {
display:flex;
justify-content:center;
gap:30px;
flex-wrap:wrap;
}

.plan {
width:260px;
padding:30px;
background:rgba(255,255,255,0.03);
backdrop-filter:blur(10px);
border:1px solid rgba(255,255,255,0.08);
border-radius:20px;
text-align:center;
transition:0.3s;
position:relative;
}

.plan:hover {
transform:translateY(-10px);
border-color:white;
}

/* ЛУЧШИЙ ТАРИФ */
.best {
border:1px solid white;
transform:scale(1.05);
}

/* БЕЙДЖ */
.badge {
position:absolute;
top:-12px;
left:50%;
transform:translateX(-50%);
background:white;
color:black;
padding:5px 10px;
font-size:12px;
border-radius:10px;
}

/* ТЕКСТ */
.plan h2 {
font-size:22px;
margin-bottom:10px;
}

.plan span {
color:#aaa;
}

.price {
font-size:32px;
margin:20px 0;
font-weight:bold;
}

/* КНОПКА */
button {
width:100%;
padding:14px;
border:none;
border-radius:12px;
background:white;
color:black;
cursor:pointer;
font-weight:bold;
transition:0.2s;
}

button:hover {
background:#ddd;
}

/* ИНФО БЛОКИ */
.info-wrapper {
max-width:900px;
margin:60px auto;
display:flex;
flex-direction:column;
gap:20px;
}

.info-box {
background:rgba(255,255,255,0.03);
border:1px solid rgba(255,255,255,0.08);
border-radius:18px;
padding:20px;
backdrop-filter:blur(10px);
transition:0.3s;
}

.info-box:hover {
border-color:white;
transform:translateY(-5px);
}

.center {
text-align:center;
}

.info-box h3 {
margin-bottom:10px;
letter-spacing:1px;
}

.info-box p {
color:#aaa;
line-height:1.6;
}

/* FOOTER */
footer {
text-align:center;
margin-top:60px;
padding:30px;
color:#666;
}

/* MOBILE */
@media (max-width:700px){

header h1 {
font-size:35px;
}

input {
width:90%;
}

.plan {
width:90%;
}

.section-box {
width:80%;
}

}