:root{
  color-scheme: dark;

  /* Core */
  --bg0:#05070c;
  --bg1:#070b13;
  --bg2:#0a1220;

  --surface:#0b1220cc;      /* glass */
  --surface2:#0c1627e6;     /* denser */
  --card:#0b1424cc;
  --line:#ffffff14;
  --line2:#ffffff22;

  --text:#eaf2ff;
  --muted:#a7b6cf;
  --muted2:#7f90ad;

  /* “Life Blue” */
  --brand:#3aa0ff;          /* electric */
  --brand2:#33ffd8;         /* teal life */
  --brand3:#7b5cff;         /* violet hint */
  --glow:#3aa0ff33;
  --glow2:#33ffd822;

  /* Utility */
  --danger:#ff4b5c;
  --warn:#ffb020;
  --good:#2ee59d;

  --shadow: 0 18px 70px #00000080;
  --shadow2: 0 10px 28px #00000055;

  --r:18px;
  --r2:14px;
  --r3:12px;

  --max:1180px;
  --pad:18px;

  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Tahoma, Arial;
}

*{box-sizing:border-box}
html,body{height:100%}
html{
  /* Prevent any browser “blank area” (overscroll / gaps) from showing white */
  background: var(--bg0);
}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  min-height:100vh;
  background-color: var(--bg0);
  background:
    radial-gradient(1200px 800px at 15% 10%, rgba(58,160,255,.18), transparent 60%),
    radial-gradient(900px 650px at 85% 20%, rgba(51,255,216,.12), transparent 55%),
    radial-gradient(800px 650px at 60% 85%, rgba(123,92,255,.10), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 40%, var(--bg0));
  overflow-x:hidden;
}

/* Dark scrollbars (fix the "white bar" on the side / bottom) */
html{
  scrollbar-color: rgba(255,255,255,.22) rgba(0,0,0,.25); /* Firefox */
  scrollbar-width: thin;
}
/* Chromium / Edge */
::-webkit-scrollbar{
  width: 12px;
  height: 12px;
}
::-webkit-scrollbar-track{
  background: rgba(0,0,0,.25);
}
::-webkit-scrollbar-thumb{
  background: rgba(255,255,255,.18);
  border: 3px solid rgba(0,0,0,.25);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover{
  background: rgba(255,255,255,.28);
}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}

.container{max-width:var(--max); margin:0 auto; padding:0 var(--pad)}
.page{padding:26px 0 54px}

/* subtle grid + grain */
body::before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none;
  background:
    linear-gradient(transparent 31px, rgba(255,255,255,.03) 32px),
    linear-gradient(90deg, transparent 31px, rgba(255,255,255,.02) 32px);
  background-size:32px 32px;
  mask-image: radial-gradient(closest-side at 50% 30%, #000 25%, transparent 75%);
  opacity:.35;
}

/* animated aura */
body::after{
  content:"";
  position:fixed; inset:-20%;
  pointer-events:none;
  background:
    radial-gradient(closest-side at 30% 30%, rgba(58,160,255,.18), transparent 60%),
    radial-gradient(closest-side at 70% 40%, rgba(51,255,216,.12), transparent 65%),
    radial-gradient(closest-side at 50% 80%, rgba(123,92,255,.10), transparent 70%);
  filter: blur(18px);
  opacity:.65;
  animation: auraMove 14s ease-in-out infinite alternate;
}
@keyframes auraMove{
  0%{transform: translate3d(-1.5%, -1%, 0) scale(1)}
  100%{transform: translate3d(1.5%, 1.2%, 0) scale(1.03)}
}

@media (prefers-reduced-motion: reduce){
  body::after{animation:none}
}

/* Topbar */
.topbar{
  position:sticky; top:0; z-index:60;
  backdrop-filter: blur(12px);
  background: linear-gradient(180deg, rgba(5,7,12,.75), rgba(5,7,12,.35));
  border-bottom:1px solid var(--line);
}
.topbar--scrolled{
  background: linear-gradient(180deg, rgba(5,7,12,.92), rgba(5,7,12,.65));
  border-bottom:1px solid var(--line2);
}
.topbar__inner{
  display:flex; align-items:center; gap:14px;
  padding:12px 0;
}
.brand{
  display:flex; align-items:center; gap:10px;
  min-width:240px;
}
.brand__orb{
  width:11px;height:11px;border-radius:999px;
  background: radial-gradient(circle at 30% 30%, #fff, var(--brand));
  box-shadow: 0 0 22px rgba(58,160,255,.45);
}
.brand__name{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--muted);
  text-transform:uppercase;
}


/* RTL brand tuning: Arabic doesn't benefit from uppercase + wide letter-spacing */
html[dir="rtl"] .brand{
  min-width:280px; /* helps the Arabic title fill the header like the English one */
}
html[dir="rtl"] .brand__name{
  font-size:14px;
  line-height:1.2;
  letter-spacing:0;
  word-spacing:.35em; /* adds visual length without awkward Arabic letter spacing */
  text-transform:none;
  font-weight:800;
}.nav{
  flex:1;
  display:flex;
  justify-content:center;
  gap:12px;
  flex-wrap:wrap;
}
.nav__link{
  font-size:13px;
  color:var(--muted);
  padding:8px 12px;
  border-radius:999px;
  border:1px solid transparent;
  transition:.18s ease;
  background: transparent;
}
.nav__link:hover{
  color:var(--text);
  border-color:var(--line);
  background: rgba(255,255,255,.06);
}
.nav__link--active{
  color:var(--text);
  border-color: rgba(58,160,255,.45);
  background: linear-gradient(180deg, rgba(58,160,255,.18), rgba(255,255,255,.06));
  box-shadow: 0 10px 26px rgba(58,160,255,.14);
}
.topbar__actions{
  min-width:180px;
  display:flex;
  justify-content:flex-end;
  gap:10px;
}

/* Sections */
.kicker{
  font-size:12px;
  letter-spacing:.18em;
  color:var(--muted);
  text-transform:uppercase;
  margin-bottom:10px;
}
.h1{
  margin:0 0 10px;
  font-size:38px;
  line-height:1.15;
  letter-spacing:.01em;
  text-shadow: 0 12px 40px #00000070;
}
.sub{
  margin:0;
  color:var(--muted);
  line-height:1.9;
}
.hr{
  height:1px;
  background: linear-gradient(90deg, transparent, rgba(58,160,255,.25), rgba(255,255,255,.08), transparent);
  margin:18px 0;
}
.sectionTitle{
  margin:0;
  font-size:18px;
  letter-spacing:.01em;
}

/* Reveal */
[data-reveal]{
  opacity:0;
  transform: translateY(10px);
  transition: .55s ease;
}
[data-reveal].is-visible{
  opacity:1;
  transform:none;
}

/* Responsive */
@media (max-width: 980px){
  .brand{min-width:auto}
  .topbar__inner{flex-wrap:wrap}
  .nav{justify-content:flex-start}
}
@media (max-width: 620px){
  .h1{font-size:30px}
}