:root{
  --bg:#040810;
  --glass: rgba(255,255,255,.06);
  --glass-2: rgba(255,255,255,.12);
  --text:#e8f0ff;
  --muted:#b6c3ff;
  --accent: linear-gradient(135deg,#67e8f9,#8b5cf6);
  --shadow: 0 10px 30px rgba(0,0,0,.45);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.5;
  overflow-x:hidden;
}

/* Background with parallax */
.bg{
  position:fixed; inset:0;
  background:url('assets/bg.jpg') center/cover no-repeat fixed;
  filter:saturate(110%) brightness(0.75);
  transform:scale(1.03);
  will-change:transform;
  z-index:-2;
}
.bg-overlay{
  position:fixed; inset:0;
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(139,92,246,.35), transparent 60%),
    radial-gradient(1000px 700px at -10% 80%, rgba(103,232,249,.3), transparent 60%),
    linear-gradient(rgba(4,8,16,.6), rgba(4,8,16,.9) 60%);
  z-index:-1;
}

/* Header */
.site-header{
  position:sticky; top:0;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px;
  background:rgba(4,8,16,.35);
  backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--text)}
.brand__logo{width:36px;height:36px;border-radius:50%; box-shadow:var(--shadow)}
.brand__name{font-weight:700; letter-spacing:.3px}

/* Nav */
.site-nav{display:flex; gap:14px}
.site-nav a{
  padding:10px 12px; border-radius:12px; text-decoration:none; color:var(--muted);
  transition: transform .25s ease, background .25s ease, color .25s ease;
}
.site-nav a:hover{transform:translateY(-2px); background:var(--glass-2); color:var(--text)}

/* Mobile menu */
.nav-toggle{display:none; flex-direction:column; gap:4px; background:transparent; border:0; cursor:pointer}
.nav-toggle span{display:block; width:24px; height:2px; background:#fff; border-radius:2px}

@media (max-width:820px){
  .nav-toggle{display:flex}
  .site-nav{
    position:fixed; right:18px; top:64px; display:none; flex-direction:column;
    background:rgba(4,8,16,.85); padding:12px; border:1px solid rgba(255,255,255,.08); border-radius:14px;
  }
  .site-nav.open{display:flex}
}

/* Sections */
section{padding:80px 22px; max-width:1100px; margin:0 auto}
.hero{display:grid; grid-template-columns:1.1fr .9fr; gap:30px; align-items:center; padding-top:100px}
.hero__content{animation:fadeUp .9s ease both .1s}
.tagline{font-size:1.25rem; opacity:.9; margin:.2rem 0 1rem}
.sub{color:var(--muted); max-width:54ch}
.accent{background:var(--accent); -webkit-background-clip:text; background-clip:text; color:transparent; font-size: clamp(2.4rem, 6vw, 4rem);}

.floating-orb{
  width:280px; height:280px; border-radius:50%;
  background:var(--accent); filter:blur(18px) saturate(130%);
  justify-self:center; opacity:.6; animation: float 6s ease-in-out infinite;
  box-shadow: 0 0 80px rgba(139,92,246,.35), inset 0 0 80px rgba(103,232,249,.25);
}

@keyframes float{
  0%,100%{transform:translateY(0) scale(1)}
  50%{transform:translateY(-16px) scale(1.03)}
}
@keyframes fadeUp{
  from{opacity:0; transform: translateY(14px)}
  to{opacity:1; transform:none}
}

/* Cards & grids */
.grid{display:grid; gap:18px}
.features{grid-template-columns: repeat(4, 1fr)}
.card{
  background:var(--glass);
  border:1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding:18px;
  backdrop-filter: blur(8px);
  transition: transform .35s ease, box-shadow .35s ease, background .35s ease;
}
.card:hover{transform:translateY(-6px) scale(1.01); box-shadow:var(--shadow); background:var(--glass-2)}

@media (max-width:1000px){ .features{grid-template-columns: repeat(2, 1fr)} }
@media (max-width:560px){ .hero{grid-template-columns:1fr} .features{grid-template-columns:1fr} }

/* Pills */
.pill-list{display:flex; flex-wrap:wrap; gap:10px; list-style:none; padding:0; margin:16px 0 0}
.pill-list li{
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.06);
  padding:10px 14px; border-radius:999px; backdrop-filter: blur(6px);
  transition: transform .25s ease, background .25s ease;
}
.pill-list li:hover{transform:translateY(-3px); background:rgba(255,255,255,.12)}

/* Socials */
.socials{display:grid; grid-template-columns: repeat(2, minmax(200px, 1fr)); gap:14px; margin:14px 0 22px}
.social{
  display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--text);
  background:var(--glass); border:1px solid rgba(255,255,255,.08); padding:14px; border-radius: 14px;
  transition: transform .3s ease, background .3s ease;
}
.social img{width:22px; height:22px}
.social:hover{transform: translateY(-4px); background:var(--glass-2)}

@media (max-width:540px){ .socials{grid-template-columns: 1fr} }

/* Buttons */
.btn{
  display:inline-block; text-decoration:none; border:0; cursor:pointer;
  padding:12px 16px; border-radius:14px; font-weight:700;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  will-change: transform;
}
.btn--primary{background:var(--accent); color:#0b1020; box-shadow: var(--shadow)}
.btn--primary:hover{transform:translateY(-3px) scale(1.02)}
.btn--ghost{border:1px solid rgba(255,255,255,.2); color:var(--text); background:transparent}
.btn--ghost:hover{background:rgba(255,255,255,.08)}

/* Contact */
.mail{display:inline-flex; align-items:center; gap:10px; color:var(--text); text-decoration:none; margin-bottom:10px}
.mail img{width:20px; height:20px}

.contact-form{display:grid; gap:12px; max-width:520px; margin-top:8px}
.contact-form label{display:grid; gap:6px; font-size:.95rem}
.contact-form input, .contact-form textarea{
  width:100%; padding:12px 14px; border-radius:12px; border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04); color:var(--text);
}
.status{min-height:1.2em; color:var(--muted)}

/* Reveal on scroll */
.reveal{opacity:0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease}
.reveal.in{opacity:1; transform:none}

/* Footer */
.site-footer{padding:40px 22px; text-align:center; color:var(--muted)}