@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');
@media (max-width:720px){
    nav{
        position: relative;
    }

    nav ul{
        display: none; /* скрито по default */
        flex-direction: column;
        background: var(--card);
        position: absolute;
        top: 70px;
        right: 20px;
        width: 220px;
        padding: 14px;
        border-radius: 12px;
        box-shadow: 0 8px 25px rgba(0,0,0,0.45);
        z-index: 999;
    }

    nav ul.open{
        display: flex; /* показване */
    }

    nav ul li{
        padding: 10px 0;
    }

    nav ul li a{
        color: #e6eef6 !important;
        font-weight: 600;
    }

    nav ul li a:hover{
        color: var(--accent) !important;
    }
}

html{
    scroll-behavior: smooth;
}

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

a{
    text-decoration: none;
    color: #1c1e53;
    transition: color 0.3s ease;
}

a:hover{
    color: #5e3bee !important;
}

h5{
    font-size: 20px;
}

li{
    list-style: none;
}

nav{
    background-color: #1B2335;
    position: relative;
    top: 0;
    padding: 0 85px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100px;
    box-shadow: 0 5px 80px rgba(0, 0, 0, 0.1);
}

nav .logo,
footer .logo{
    display: flex;
    align-items: center;
}

nav .logo a,
footer .logo a{
    margin-left: 8px;
    font-weight: bold;
    font-size: 20px;
}

nav .logo img,
footer .logo img {
    width: auto;
    height: 70px;
}

nav ul,
footer .top ul{
    display: flex;
    gap: 40px;
}

nav button{
    color: #1c1e53;
    background-color: transparent;
    padding: 12px 16px;
    border-radius: 5px;
    border: 1px solid #1c1e53;
    cursor: pointer;
    transition: all 0.3s ease;
}

nav button:hover{
    background-color: #5e3bee;
    border-color: #5e3bee;
    color: #fff;
}

nav button#menuButton{
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    padding: 7px;
}

.main{
    background-color: #deebee;
    padding: 90px 85px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.main .left{
    display: flex;
    flex-direction: column;
    align-items: start;
}

.main .left h3{
    margin-top: 10px;
    font-weight: bold;
    font-size: 46px;
}

.main .left h3 span{
    color: #5e3bee;
}

.main .left p{
    color: #1c1e53;
    font-size: 22px;
    margin-top: 20px;
}

.main .left button{
    margin-top: 40px;
    color: #fff;
    cursor: pointer;
    background-color: #5e3bee;
    padding: 14px 24px;
    border: 1px solid transparent;
    border-radius: 5px;
}

.main .right img{
    width: 500px;
}

.skills{
    padding: 110px 85px 0;
}

.skills h3,
.about .right h3,
.portfolio .header h3,
.feedback h3{
    font-size: 40px;
    margin-top: 20px;
}

.skills .skill-items{
    display: flex;
    margin-top: 70px;
    gap: 30px;
}

.skills .skill-items .item{
    background-color: #deebee;
    width: 25%;
    border-radius: 10px;
    padding: 32px;
    border-bottom: 4px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.skills .skill-items .item:hover{
    border-color: #5e3bee;
}

.skills .skill-items .item .icon{
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    width: 46px;
    height: 46px;
    border-radius: 10px;
    margin-bottom: 22px;
    box-shadow: 0 0 16px rgba(0, 0, 0, 0.1);
}

.skills .skill-items .item .icon i{
    font-size: 26px;
    color: #006b6a;
}

.skills .skill-items .item h4,
.portfolio .portfo-items .item .info h4{
    font-size: 18px;
}

.skills .skill-items .item p{
    margin-top: 20px;
    font-size: 14px;
    line-height: 22px;
    color: #1c1e53;
}

.about{
    padding: 110px;
    display: flex;
    align-items: center;
    gap: 60px;
}

.about .left{
    background-color: #deebee;
    border-radius: 10px 10px 0 0;
}

.about .left img{
    width: 440px;
}

.about .right p{
    font-size: 16px;
    margin-top: 30px;
}

.portfolio{
    background-color: #deebee;
    padding: 110px 85px;
}

.portfolio .header{
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 60px;
}

.portfolio .header button{
    background-color: #ff0000;
    padding: 10px 20px;
    color: #fff;
    display: flex;
    align-items: center;
    cursor: pointer;
    gap: 8px;
    border: none;
    border-radius: 10px;
}

.portfolio .header button i{
    font-size: 26px;
}

.portfolio .portfo-items{
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.portfolio .portfo-items .item{
    width: 30%;
    background-color: #fff;
    border-radius: 10px;
    border-bottom: 4px solid transparent;
    cursor: pointer;
    box-shadow: 0 5px 32px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.portfolio .portfo-items .item:hover{
    border-color: #5e3bee;
}

.portfolio .portfo-items .item img{
    width: 100%;
    height: 240px;
    object-fit: cover;
    object-position: top;
    border-radius: 10px 10px 20px 20px;
}

.portfolio .portfo-items .item .info{
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 20px 32px 42px;
}

.portfolio .portfo-items .item .info p{
    font-size: 13px;
}

.portfolio .portfo-items .item .info a{
    text-decoration: underline;
    text-underline-offset: 10px;
    text-decoration-color: #5e3bee;
}

.portfolio .portfo-items .item .info a i{
    margin-left: 2px;
    font-size: 16px;
}

.feedback{
    padding: 110px 85px;
}

.feedback .customers{
    margin-top: 50px;
    display: flex;
    gap: 40px;
}

.feedback .customers .item{
    display: flex;
    flex-direction: column;
    gap: 20px;
    border: 2px solid #006b6a;
    border-radius: 10px;
    padding: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.feedback .customers .item .rating{
    color: #006b6a;
    font-size: 22px;
}

.feedback .customers .item:hover{
    border-color: #5e3bee;
}

.feedback .customers .item p{
    line-height: 22px;
    font-size: 14px;
}

.feedback .customers .item .user{
    display: flex;
    align-items: center;
    gap: 10px;
}

.feedback .customers .item .user img{
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 50%;
}

.feedback .customers .item .user h5{
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 3px;
}

.feedback .customers .item .user p{
    font-size: 12px;
}

footer{
    background-color: #1B2335;
    padding: 85px;
    display: flex;
    flex-direction: column;
}

footer .top,
footer .bottom{
    display: flex;
    align-items: center;
    justify-content: space-between;
}

footer .top .social-links{
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
}

footer .separator{
    width: 100%;
    height: 1px;
    background-color: #282938;
    margin: 30px 0 20px;
}

footer .bottom p{
    font-size: 12px;
}

footer .bottom .links a{
    font-size: 12px;
    margin-left: 14px;
}

@media screen and (max-width: 1200px) {
    
    .main .left h5{
        font-size: 18px;
    }

    .main .left h3{
        font-size: 36px;
    }

    .main .left p{
        font-size: 18px;
    }

    .main .right img{
        width: 380px;
    }

    .skills .skill-items{
        gap: 10px;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .skills .skill-items .item{
        width: 49%;
    }

    .about .left img{
        width: 370px;
    }

    .skills h3,
    .about .right h3,
    .portfolio .header h3,
    .feedback h3{
        font-size: 32px;
    }

    .about .right p{
        font-size: 15px;
    }

    .feedback .customers .item .rating{
        font-size: 20px;
    }

    .feedback .customers .item p{
        font-size: 13px;
    }

    footer .top ul{
        gap: 20px;
    }

}

@media screen and (max-width: 992px) {
    
    nav button{
        display: none;
    }

    nav ul{
        gap: 20px;
    }

    nav ul li a{
        font-size: 15px;
    }

    .main{
        flex-direction: column;
    }

    .about{
        flex-direction: column;
        justify-content: center;
    }

    .portfolio .portfo-items{
        gap: 22px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .portfolio .portfo-items .item{
        width: 48%;
    }

    .feedback .customers{
        gap: 14px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .feedback .customers .item{
        width: 48%;
    }

    footer .top ul{
        display: none;
    }

}

@media screen and (max-width: 768px) {
    
    nav{
        justify-content: space-between;
        padding: 0 42px;
    }

    nav ul{
        display: none;
    }

    nav.open .logo{
        display: none;
    }

    nav.open ul{
        display: flex;
    }

    nav button#menuButton{
        display: flex;
    }

    .main{
        padding: 42px;
    }

    .skills{
        padding: 85px 42px 0;
    }

    .skills .skill-items{
        gap: 8px;
    }

    .about{
        padding: 85px 42px;
    }

    .portfolio{
        padding: 60px 42px;
    }

    .portfolio .portfo-items{
        gap: 18px;
    }

    .feedback{
        padding: 85px 42px;
    }

    footer{
        padding: 85px 42px;
    }

    footer .bottom{
        flex-direction: column-reverse;
        gap: 14px;
    }

}

@media screen and (max-width: 576px) {
    
    nav ul li a{
        font-size: 13px;
    }

    nav .logo a{
        font-size: 18px;
    }

    .main .left h3{
        font-size: 32px;
    }

    .main .left p{
        font-size: 16px;
    }

    .main .left button{
        width: 100%;
    }

    .skills .skill-items .item{
        width: 100%;
    }

    .portfolio .header button{
        font-size: 12px;
        padding: 8px 14px;
    }

    .portfolio .portfo-items .item{
        width: 80%;
    }

    .feedback .customers .item{
        width: 100%;
    }

}
        :root{
            --bg:#0f1724;
            --card:#0b1220;
            --accent:#2dd4bf;
            --muted:#94a3b8;
            --glass: rgba(255,255,255,0.03);
            --radius:12px;
            --maxw:1100px;
        }
        *{box-sizing:border-box}
        body{
            margin:0;
            font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
            background: linear-gradient(180deg,#071023 0%, #07101b 100%);
            color:#e6eef6;
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            line-height:1.5;
        }
        nav{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:16px;
            padding:18px 22px;
            max-width:var(--maxw);
            margin:20px auto;
        }
        .logo{display:flex;align-items:center;gap:10px}
        .logo img{width:auto;height:70px;border-radius:0;object-fit:contain}
        .logo a{color:var(--accent);font-weight:700;text-decoration:none}
        nav ul{list-style:none;margin:0;padding:0;display:flex;gap:18px;align-items:center}
        nav ul li a{color:var(--muted);text-decoration:none;font-weight:600}
        nav button.primary{background:var(--accent);color:#022; border:0;padding:10px 14px;border-radius:10px;font-weight:700;cursor:pointer}
        #menuButton{display:none;background:transparent;border:0;color:var(--muted);font-size:22px}

        .container{max-width:var(--maxw);margin:24px auto;padding:0 18px}

        .hero{
            display:grid;
            grid-template-columns:1fr 420px;
            gap:28px;
            align-items:center;
            padding:28px;
            background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
            border-radius:16px;
            box-shadow:0 6px 30px rgba(2,6,23,0.6);
        }
        .hero .left h5{color:var(--accent);margin:0 0 8px;font-weight:700}
        .hero h1{margin:4px 0 12px;font-size:34px}
        .tag{display:inline-block;background:var(--glass);padding:6px 10px;border-radius:999px;color:var(--accent);font-weight:700;margin-bottom:10px}
        .hero p{color:var(--muted);margin-bottom:16px}
        .hero .actions{display:flex;gap:12px}
        .hero .actions button{padding:10px 14px;border-radius:10px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--accent);cursor:pointer}
        .hero .right img{width:100%;border-radius:12px;box-shadow:0 8px 30px rgba(2,6,23,0.7)}
        .features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
        .card{background:var(--card);padding:14px;border-radius:12px;border:1px solid rgba(255,255,255,0.02)}
        .card h4{margin:8px 0;color:#fff}
        .card p{color:var(--muted);font-size:14px}

        section{margin-top:28px}
        h2.section-title{font-size:22px;margin:0 0 12px}
        .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .list{display:flex;flex-direction:column;gap:10px}
        .feature-row{display:flex;gap:12px;align-items:flex-start}
        .feature-row i{font-size:22px;color:var(--accent);min-width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:rgba(45,212,191,0.08);border-radius:8px}
        .muted{color:var(--muted)}
        .kbd{background:rgba(255,255,255,0.03);padding:6px 8px;border-radius:8px;font-weight:700;color:var(--muted);display:inline-block}
        .feature-row i { margin-top: 15px;  }
        .dashboard{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:14px;
        }
        .metric{padding:12px;border-radius:12px;background:linear-gradient(180deg, rgba(255,255,255,0.01), transparent);border:1px solid rgba(255,255,255,0.03)}
        .metric h3{margin:0;font-size:18px}
        .metric p{color:var(--muted);margin:6px 0 0}

        footer{margin-top:36px;padding:20px;border-top:1px solid rgba(255,255,255,0.02);color:var(--muted)}
        footer .bottom{display:flex;justify-content:space-between;align-items:center;max-width:var(--maxw);margin:0 auto;padding:0 18px}
        .social-links a{color:var(--muted);font-size:18px;margin-left:8px;text-decoration:none}

        /* responsive */
        @media (max-width:1000px){
            .hero{grid-template-columns:1fr 320px}
            .features{grid-template-columns:repeat(2,1fr)}
            .dashboard{grid-template-columns:repeat(2,1fr)}
        }
        @media (max-width:720px){
            nav ul{display:none}
            #menuButton{display:block}
            .hero{grid-template-columns:1fr; text-align:left}
            .features{grid-template-columns:1fr}
            .grid-2{grid-template-columns:1fr}
            .dashboard{grid-template-columns:1fr}
        }

        :root {
  --accent:#2dd4bf;
  --card:rgba(255,255,255,0.05);
  --text:#e2e8f0;
}
body{
  background:#0f172a;
  color:var(--text);
  font-family:Arial, sans-serif;
  padding:40px;
}
header{
  font-size:32px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:40px;
}
header i{
  font-size:26px;
  color:var(--accent);
  min-width:42px;
  height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(45,212,191,0.08);
  border-radius:10px;
}
.section-title{
  font-size:24px;
  margin:30px 0 20px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:10px;
}
.flashcards{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(180px, 1fr));
  gap:20px;
}
.card{
  background:var(--card);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:12px;
  padding:18px;
  text-align:center;
  box-shadow:0 4px 16px rgba(0,0,0,0.35);
}
.color-box{
  width:100%;
  height:90px;
  border-radius:10px;
  margin-bottom:12px;
  border:1px solid rgba(255,255,255,0.1);
}
.card strong{
  font-size:16px;
  display:block;
  margin-top:6px;
}