:root{
    --bg:#05070d;
    --bg2:#090d17;
    --surface:#111827;
    --surface2:#0f172a;
    --border:rgba(255,255,255,.08);
    --text:#f8fafc;
    --muted:#94a3b8;
    --accent:#00e5ff;
    --accent2:#7c3aed;
    --glow:rgba(0,229,255,.35);
    --shadow:0 20px 60px rgba(0,0,0,.45);
    --radius:22px;
    --transition:.25s ease;
}

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

html{
    scroll-behavior:smooth;
}

body{
    min-height:100vh;
    background:
        radial-gradient(circle at top left, rgba(0,229,255,.08), transparent 25%),
        radial-gradient(circle at top right, rgba(124,58,237,.08), transparent 25%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
    color:var(--text);
    font-family:Segoe UI, Arial, sans-serif;
    overflow-x:hidden;
}

/* Background glowing balls */
.background-orbs{
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:-2;
    overflow:hidden;
}

.orb{
    position:absolute;
    border-radius:50%;
    filter:blur(28px);
    opacity:.7;
    mix-blend-mode:screen;
    animation:floatOrb 14s ease-in-out infinite;
}

.orb-1{
    width:260px;
    height:260px;
    background:radial-gradient(circle, rgba(0,229,255,.95), rgba(0,229,255,0));
    top:8%;
    left:8%;
}

.orb-2{
    width:320px;
    height:320px;
    background:radial-gradient(circle, rgba(124,58,237,.9), rgba(124,58,237,0));
    right:8%;
    top:28%;
    animation-delay:-4s;
}

.orb-3{
    width:220px;
    height:220px;
    background:radial-gradient(circle, rgba(0,255,170,.8), rgba(0,255,170,0));
    left:40%;
    bottom:8%;
    animation-delay:-8s;
}

@keyframes floatOrb{
    0%,100%{
        transform:translate3d(0,0,0) scale(1);
    }
    50%{
        transform:translate3d(24px,-18px,0) scale(1.08);
    }
}

/* Top bar */
.topbar{
    width:min(1180px,92%);
    margin:24px auto 0;
    padding:18px 24px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:20px;
    background:rgba(17,24,39,.62);
    border:1px solid var(--border);
    border-radius:24px;
    box-shadow:var(--shadow);
    backdrop-filter:blur(14px);
}

.brand{
    display:flex;
    align-items:center;
    gap:12px;
}

.brand-mark{
    font-size:22px;
    color:var(--accent);
    text-shadow:0 0 18px var(--glow);
}

.brand-name{
    font-size:20px;
    font-weight:800;
    letter-spacing:2px;
    color:var(--text);
    text-shadow:0 0 18px rgba(0,229,255,.15);
}

.nav{
    display:flex;
    align-items:center;
    gap:18px;
}

.nav a{
    text-decoration:none;
    color:var(--muted);
    font-weight:600;
    transition:var(--transition);
}

.nav a:hover{
    color:var(--accent);
}

.contact-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:10px 16px;
    border-radius:14px;
    border:1px solid rgba(0,229,255,.18);
    background:rgba(0,229,255,.08);
    color:var(--text);
    text-decoration:none;
    font-weight:700;
    transition:var(--transition);
}

.contact-btn:hover{
    transform:translateY(-2px);
    background:rgba(0,229,255,.14);
    border-color:rgba(0,229,255,.35);
}

/* Hero */
.hero{
    width:min(1180px,92%);
    margin:24px auto 0;
    padding:70px 20px 30px;
    text-align:center;
}

.hero-content{
    max-width:820px;
    margin:0 auto;
    padding:34px 24px;
    border-radius:30px;
    background:linear-gradient(180deg, rgba(17,24,39,.76), rgba(15,23,42,.62));
    border:1px solid var(--border);
    box-shadow:var(--shadow);
    backdrop-filter:blur(12px);
    animation:fadeUp .7s ease both;
}

.eyebrow{
    display:inline-block;
    margin-bottom:14px;
    color:var(--accent);
    font-size:14px;
    font-weight:700;
    letter-spacing:3px;
    text-transform:uppercase;
    text-shadow:0 0 16px var(--glow);
}

.hero h1{
    font-size:clamp(48px, 10vw, 92px);
    line-height:1;
    letter-spacing:4px;
    margin-bottom:18px;
    color:#ffffff;
    text-shadow:
        0 0 12px rgba(0,229,255,.55),
        0 0 32px rgba(0,229,255,.25);
    font-weight:900;
}

.subtitle{
    color:var(--muted);
    max-width:640px;
    margin:0 auto;
    font-size:17px;
    line-height:1.8;
}

.hero-actions{
    display:flex;
    justify-content:center;
    gap:14px;
    flex-wrap:wrap;
    margin-top:28px;
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:170px;
    padding:14px 22px;
    border-radius:16px;
    text-decoration:none;
    font-weight:700;
    transition:var(--transition);
    border:1px solid transparent;
}

.btn.primary{
    background:linear-gradient(135deg, var(--accent), #10b981);
    color:#04131a;
    box-shadow:0 12px 30px rgba(0,229,255,.18);
}

.btn.primary:hover{
    transform:translateY(-2px);
    box-shadow:0 18px 34px rgba(0,229,255,.26);
}

.btn.secondary{
    background:rgba(255,255,255,.03);
    color:var(--text);
    border-color:var(--border);
}

.btn.secondary:hover{
    transform:translateY(-2px);
    border-color:rgba(0,229,255,.35);
    box-shadow:0 14px 30px rgba(0,0,0,.22);
}

/* Stats */
.stats{
    width:min(1180px,92%);
    margin:24px auto 0;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:16px;
}

.stat{
    background:rgba(17,24,39,.72);
    border:1px solid var(--border);
    border-radius:22px;
    padding:22px;
    text-align:center;
    box-shadow:var(--shadow);
    backdrop-filter:blur(12px);
}

.stat-number{
    display:block;
    font-size:34px;
    font-weight:900;
    margin-bottom:8px;
    color:var(--accent);
    text-shadow:0 0 16px var(--glow);
}

.stat-label{
    color:var(--muted);
    font-size:14px;
    letter-spacing:1px;
    text-transform:uppercase;
}

/* Projects */
.projects-section{
    width:min(1180px,92%);
    margin:34px auto 0;
    padding-bottom:54px;
}

.section-title{
    margin-bottom:18px;
}

.section-title p{
    color:var(--accent);
    font-size:13px;
    font-weight:800;
    letter-spacing:2px;
    text-transform:uppercase;
    margin-bottom:10px;
}

.section-title h2{
    font-size:28px;
    font-weight:800;
    color:var(--text);
}

.projects-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
    gap:18px;
}

.project-card{
    position:relative;
    background:linear-gradient(180deg, rgba(17,24,39,.9), rgba(15,23,42,.82));
    border:1px solid var(--border);
    border-radius:24px;
    padding:22px;
    box-shadow:var(--shadow);
    overflow:hidden;
    transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    animation:fadeUp .65s ease both;
}

.project-card::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(135deg, rgba(0,229,255,.08), transparent 45%, rgba(124,58,237,.06));
    opacity:0;
    transition:var(--transition);
    pointer-events:none;
}

.project-card:hover{
    transform:translateY(-5px);
    border-color:rgba(0,229,255,.3);
    box-shadow:0 24px 50px rgba(0,0,0,.5);
}

.project-card:hover::before{
    opacity:1;
}

.project-top{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    gap:14px;
    margin-bottom:16px;
}

.project-name{
    font-size:22px;
    font-weight:800;
    color:#ffffff;
    line-height:1.15;
}

.version-pill{
    padding:7px 11px;
    border-radius:999px;
    background:rgba(0,229,255,.12);
    border:1px solid rgba(0,229,255,.22);
    color:var(--accent);
    font-size:12px;
    font-weight:800;
    white-space:nowrap;
}

.project-desc{
    color:var(--muted);
    font-size:15px;
    line-height:1.7;
    margin-bottom:18px;
    min-height:58px;
}

.project-meta{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:12px;
    margin-bottom:18px;
    color:#cbd5e1;
    font-size:13px;
}

.project-meta span{
    color:var(--muted);
}

.download-row{
    display:flex;
    gap:12px;
    align-items:center;
    flex-wrap:wrap;
}

.download-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:100%;
    padding:13px 16px;
    border:none;
    border-radius:16px;
    background:linear-gradient(135deg, var(--accent), #2dd4bf);
    color:#04131a;
    text-decoration:none;
    font-weight:800;
    transition:var(--transition);
    box-shadow:0 12px 30px rgba(0,229,255,.16);
}

.download-btn:hover{
    transform:translateY(-2px);
    box-shadow:0 18px 38px rgba(0,229,255,.24);
}

.download-btn:active{
    transform:translateY(0);
}

.file-note{
    margin-top:12px;
    font-size:12px;
    color:#7dd3fc;
    opacity:.9;
    word-break:break-all;
}

/* Footer */
.footer{
    padding:28px 16px 36px;
    text-align:center;
    color:var(--muted);
    font-size:14px;
}

/* Animations */
@keyframes fadeUp{
    from{
        opacity:0;
        transform:translateY(16px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}

/* Responsive */
@media (max-width: 900px){
    .topbar{
        flex-direction:column;
        align-items:flex-start;
    }

    .nav{
        width:100%;
        justify-content:flex-start;
        flex-wrap:wrap;
    }

    .stats{
        grid-template-columns:1fr;
    }
}

@media (max-width: 640px){
    .topbar,
    .hero-content,
    .stat,
    .project-card{
        border-radius:20px;
    }

    .hero{
        padding-top:50px;
    }

    .hero h1{
        letter-spacing:2px;
    }

    .section-title h2{
        font-size:22px;
    }

    .project-top{
        flex-direction:column;
        align-items:flex-start;
    }

    .version-pill{
        align-self:flex-start;
    }
}