:root{
    --bg:#050a12;
    --ink:#e7eefb;
    --ink-dim:#a7b5ce;
    --blue:#2a7cff;
    --blue-2:#6aa3ff;
    --accent:#0f5be7;
    --panel:#0b1324;
    --panel-2:#0f1e3c;
    --edge:rgba(42,124,255,0.25);
    --topbar-h:72px;
    --radius-lg:16px;
    --radius-sm:12px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    background:radial-gradient(1400px 600px at 20% -10%, #081225 0%, #050a12 60%) fixed;
    color:var(--ink);
    font-family:Segoe UI,Roboto,Arial,Helvetica,sans-serif;
    line-height:1.5;
}

.energy{
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
        linear-gradient(180deg, transparent 0%, rgba(16,40,88,0.35) 100%),
        repeating-linear-gradient(180deg, rgba(42,124,255,0.14) 0 2px, transparent 2px 24px);
    mask-image:linear-gradient(180deg, transparent 0%, black 10%, black 90%, transparent 100%);
    animation:linesMove 7s linear infinite;
}

@keyframes linesMove{
    0%{background-position:0 0, 0 100%}
    100%{background-position:0 0, 0 -600px}
}

.logo{
    height:60px;
    width:auto;
    display:block;
}

.topbar{
    position:fixed;
    top:0;
    left:0;
    right:0;
    height:var(--topbar-h);
    z-index:10;
    background:linear-gradient(180deg,#0e1a33,#0b162b);
    box-shadow:0 0 40px rgba(42,124,255,0.45), 0 0 1px rgba(255,255,255,0.06) inset;
    border-bottom:1px solid rgba(255,255,255,0.06);
}
.topbar::before{
    content:"";
    position:absolute;
    left:0;
    right:0;
    top:-22px;
    height:22px;
    background:radial-gradient(400px 20px at 50% 100%, rgba(42,124,255,0.35), transparent 70%);
    filter:blur(8px);
    pointer-events:none;
}
.topbar::after{
    content:"";
    position:absolute;
    left:-30%;
    top:0;
    height:100%;
    width:60%;
        background: linear-gradient(90deg, transparent 0%, rgb(32 54 89 / 45%) 50%, transparent 100%);
    animation:beam 3.2s linear infinite;
}
@keyframes beam{
    0%{transform:translateX(-50%)}
    100%{transform:translateX(250%)}
}
.topbar-inner{
    height:100%;
    display:flex;
    align-items:center;
    gap:16px;
    padding:0 18px;
    max-width:1400px;
    margin:0 auto;
}
.brand{
    display:flex;
    align-items:center;
    gap:12px;
}
.brand-title{
    font-weight:700;
    letter-spacing:.2px;
    color:var(--ink);
    white-space:nowrap;
    font-size:x-large;
    color: linear-gradient(180deg,var(--ink-dim),var(--ink));
}

.nav{margin-left:auto}
.nav-list{
    list-style:none;
    margin:0;
    padding:0;
    display:flex;
    gap:10px;
}
.nav-link{
    display:block;
    text-decoration:none;
    color:var(--ink);
    padding:10px 14px;
    background:linear-gradient(180deg,#0f1e3c,#0c1831);
    border:1px solid rgba(255,255,255,0.08);
    border-radius:12px;
    transition:transform .2s, box-shadow .2s, color .2s, background .2s, border-color .2s;
    box-shadow:0 0 24px rgba(42,124,255,0.35);
}
.nav-link:hover,.nav-link:focus{
    color:#ffffff;
    transform:translateY(-1px);
    box-shadow:0 0 36px rgba(106,163,255,0.55);
    outline:none;
}
.nav-link.primary{
    background:linear-gradient(180deg,#1f5ee0,#1148bb);
    border-color:rgba(42,124,255,0.5);
}
.nav-link[aria-current="true"]{
    background:linear-gradient(180deg,#13264d,#0f1e3d);
    box-shadow:0 0 30px rgba(106,163,255,0.5);
}

.content{
    position:relative;
    z-index:1;
    padding:28px;
    padding-top:calc(var(--topbar-h) + 24px);
    max-width:1200px;
    margin:0 auto;
}

.section{
    margin:0 auto 56px auto;
    background:linear-gradient(180deg,#0e1a33,#0b162b);
    border:1px solid rgba(255,255,255,0.06);
    border-radius:var(--radius-lg);
    box-shadow:0 0 40px rgba(42,124,255,0.18);
}

.hero{
    padding:48px 36px;
}
.hero-inner{
    display:grid;
    gap:16px;
    max-width:840px;
}
h1,h2,h3{margin:0 0 8px 0}
.subhead{color:var(--ink-dim)}

.cta-row{
    display:flex;
    gap:12px;
    flex-wrap:wrap;
    margin-top:8px;
}

.btn{
    display:inline-block;
    padding:12px 18px;
    text-decoration:none;
    border-radius:12px;
    font-weight:700;
    letter-spacing:.2px;
    border:1px solid transparent;
    transition:transform .15s, box-shadow .2s, background .2s, color .2s, border-color .2s;
}
.btn.primary{
    background:linear-gradient(180deg,var(--accent),#0e4fd6);
    color:#fff;
    box-shadow:0 0 28px rgba(42,124,255,0.6);
    border-color:rgba(42,124,255,0.5);
}
.btn.ghost{
    background:linear-gradient(180deg,#0f1e3c,#0c1831);
    color:var(--ink);
    border-color:rgba(255,255,255,0.08);
    box-shadow:0 0 18px rgba(42,124,255,0.35);
}
.btn:hover,.btn:focus{
    transform:translateY(-1px);
    outline:none;
    box-shadow:0 0 36px rgba(106,163,255,0.6);
}

.features{padding:28px}
.section-header{padding:8px 8px 18px 8px}
.section-lead{color:var(--ink-dim)}

.card-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:16px;
}
.card{
    background:var(--panel-2);
    border:1px solid rgba(255,255,255,0.08);
    border-radius:14px;
    padding:18px;
    display:grid;
    gap:10px;
    transition:transform .2s, box-shadow .2s, border-color .2s, background .2s;
    box-shadow:0 0 22px rgba(42,124,255,0.35);
}
.card:focus{outline:2px solid rgba(106,163,255,0.6);outline-offset:2px}
.card:hover{
    transform:translateY(-2px);
    box-shadow:0 0 30px rgba(106,163,255,0.55);
    border-color:rgba(106,163,255,0.55);
}

.contact{padding:28px}
#contact-form{
    display:grid;
    gap:12px;
    max-width:640px;
}
label{font-weight:600}
input,textarea{
    width:100%;
    padding:12px 14px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,0.12);
    background:#0b142a;
    color:var(--ink);
    outline:none;
    box-shadow:0 0 18px rgba(42,124,255,0.35) inset;
}
input:focus,textarea:focus{
    border-color:rgba(106,163,255,0.7);
    box-shadow:0 0 24px rgba(106,163,255,0.55) inset;
}
.form-status{margin-top:6px;color:var(--blue-2)}

.site-footer{
    position:relative;
    z-index:1;
    border-top:1px solid rgba(255,255,255,0.06);
    background:linear-gradient(180deg, rgba(11,19,36,0.96), rgba(9,16,30,0.96));
    padding:18px 28px;
    box-shadow:0 0 28px rgba(42,124,255,0.35);
}
.footer-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:12px 18px;
}
.footer-brand{color:var(--ink)}
.footer-legal{color:var(--ink-dim)}

.en,.fr{display:block}

@media (max-width: 880px){
    .nav-list{gap:8px}
    .brand-title{display:none}
}
@media (max-width: 680px){
    .nav-list{overflow:auto;scrollbar-width:none}
    .nav-list::-webkit-scrollbar{display:none}
    .content{padding:18px;padding-top:calc(var(--topbar-h) + 18px)}
}