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

body{

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

background-image:url("../Static/main.png");
background-size:cover;
background-position:center;

color:white;

display:flex;
flex-direction:column;
align-items:center;

min-height:100vh;

}

/* затемнение */

.overlay{

position:fixed;
top:0;
left:0;

width:100%;
height:100%;

background:rgba(0,0,0,0.65);

backdrop-filter:blur(4px);

z-index:0;

}

/* верхняя панель */

.topbar{

position:absolute;

top:20px;
left:80px;

display:flex;
align-items:center;

gap:15px;

background:linear-gradient(
145deg,
rgba(0,20,40,0.8),
rgba(0,0,0,0.6)
);

padding:12px 22px;

border-radius:16px;

backdrop-filter:blur(10px);

z-index:3;

}

.logo{

width:40px;
height:40px;

border-radius:12px;

}

.logo-text{

font-size:22px;
font-weight:600;

}

.logo-text span{

font-weight:300;
opacity:0.8;

}

/* заголовок */

.main-title{

margin-top:110px;

font-size:64px;

font-weight:700;

text-align:center;

z-index:2;

}

.subtitle{

margin-top:10px;

opacity:0.85;

font-size:18px;

z-index:2;

}

/* контейнер карточек */

.features-container{

margin-top:60px;

max-width:1200px;

display:grid;

grid-template-columns:repeat(auto-fit,minmax(320px,1fr));

gap:35px;

padding:40px;

z-index:2;

align-items:stretch;

}

/* карточки */

.feature-card{

background:rgba(0,0,0,0.45);

padding:28px;

border-radius:22px;

backdrop-filter:blur(10px);

box-shadow:0 0 40px rgba(0,0,0,0.6);

transition:0.35s;

display:flex;
flex-direction:column;
align-items:center;

text-align:center;

height:100%;

}

.feature-card:hover{

transform:translateY(-10px);

box-shadow:0 0 40px rgba(120,180,255,0.6);

}

.feature-card h2{

margin-bottom:12px;

color:#7fb8ff;

font-size:22px;

}

.feature-card p{

line-height:1.6;

opacity:0.9;

margin-bottom:10px;

}

.feature-card ul{

margin-top:10px;

text-align:left;

}

/* изображения */

.feature-image{

width:100%;

max-height:180px;

object-fit:cover;

border-radius:14px;

margin-bottom:20px;

box-shadow:0 0 30px rgba(0,0,0,0.7);

transition:0.35s;

}

.feature-card:hover .feature-image{

transform:scale(1.05);

box-shadow:0 0 40px rgba(120,180,255,0.7);

}

/* команды */

.command{

background:rgba(0,0,0,0.6);

padding:8px 14px;

border-radius:8px;

display:inline-block;

margin-top:6px;

font-family:monospace;

}

/* ссылки */

.feature-link{

color:#7fb8ff;
text-decoration:none;

font-weight:600;

border-bottom:1px solid rgba(127,184,255,0.4);

transition:0.25s;

}

.feature-link:hover{

color:#a6d0ff;

border-bottom:1px solid rgba(127,184,255,1);

}

/* кнопка меню */

.menu-button{

position:absolute;

top:20px;
left:15px;

font-size:26px;

background:linear-gradient(
145deg,
rgba(0,20,40,0.85),
rgba(0,0,0,0.65)
);

padding:10px 16px;

border-radius:14px;

cursor:pointer;

z-index:6;

}

/* overlay меню */

.menu-overlay{

position:fixed;

top:0;
left:0;

width:100%;
height:100%;

background:rgba(0,0,0,0.35);

backdrop-filter:blur(8px);

opacity:0;
pointer-events:none;

transition:0.35s;

z-index:4;

}

.menu-overlay.active{

opacity:1;
pointer-events:auto;

}

/* боковое меню */

.side-menu{

position:fixed;

top:0;
left:-280px;

width:280px;
height:100%;

background:linear-gradient(
180deg,
rgba(0,20,40,0.92),
rgba(0,0,0,0.9)
);

backdrop-filter:blur(14px);

padding-top:130px;

display:flex;
flex-direction:column;

gap:35px;

padding-left:45px;

transition:0.4s;

z-index:5;

}

.side-menu.active{

left:0;

}

.side-menu a{

color:white;

font-size:22px;

text-decoration:none;

transition:0.25s;

}

.side-menu a:hover{

color:#7fb8ff;

transform:translateX(8px);

}

/* адаптация */

@media (max-width:700px){

.main-title{

font-size:42px;

}

.features-container{

grid-template-columns:1fr;

padding:25px;

}

}