:root{--bg:#050816;--bg2:#0a1030;--ink:#eaf0ff;--muted:#9aa7cc;--c1:#22d3ee;--c2:#3b82f6;--c3:#8b5cf6;
--grad:linear-gradient(120deg,var(--c1),var(--c2) 50%,var(--c3));--line:rgba(120,150,255,.18);--glass:rgba(14,22,60,.55);
--r:20px;--s1:.5rem;--s2:1rem;--s3:1.5rem;--s4:3rem;--s5:6rem;--ease:cubic-bezier(.22,1,.36,1);--t:.5s;
--font:'Inter',system-ui,sans-serif}
:root[lang=ar]{--font:'IBM Plex Sans Arabic',system-ui,sans-serif}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:5rem}
body{background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::after{content:"";position:fixed;inset:0;pointer-events:none;opacity:.05;z-index:90;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E")}
a{color:inherit;text-decoration:none}ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--c1);outline-offset:3px;border-radius:6px}
.skip{position:absolute;inset-inline-start:1rem;top:-4rem;background:#fff;color:#000;padding:.6rem 1rem;z-index:200;border-radius:8px}.skip:focus{top:1rem}
.wrap{width:min(1180px,100% - 2.5rem);margin-inline:auto}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}
.kicker{color:var(--c1);font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:var(--s2)}
:root[lang=ar] .kicker{letter-spacing:0;text-transform:none}
.h2{font-size:clamp(1.9rem,4.5vw,3.4rem);line-height:1.12;max-width:20ch;margin-bottom:var(--s3);letter-spacing:-.02em}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--muted);max-width:60ch}
.sec{padding-block:var(--s5)}

/* logo / loader */
.logo{display:inline-flex;align-items:center;gap:.6rem;font-weight:700;letter-spacing:.12em}
.logo-word{direction:ltr;font-size:1.1rem}.logo-word b{font-weight:300}
#loader{position:fixed;inset:0;z-index:300;display:grid;place-items:center;background:var(--bg);transition:opacity .5s,visibility .5s}
#loader .logo{font-size:1.6rem;animation:pulse 1.2s ease-in-out infinite}
#loader.done{opacity:0;visibility:hidden}
.no-js #loader{display:none}
@keyframes pulse{50%{opacity:.55;transform:scale(.97)}}

/* nav */
.nav{position:fixed;inset-inline:0;top:0;z-index:100;transition:background var(--t),backdrop-filter var(--t),border-color var(--t);border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(5,8,22,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-color:var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:4.5rem}
.menu{display:flex;align-items:center;gap:1.6rem}.menu ul{display:flex;gap:1.5rem}
.nl{position:relative;font-size:.95rem;color:var(--muted);transition:color .3s;padding-block:.3rem}
.nl::after{content:"";position:absolute;inset-inline:0;bottom:-2px;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
[dir=rtl] .nl::after{transform-origin:right}
.nl:hover,.nl.active{color:var(--ink)}.nl:hover::after,.nl.active::after{transform:scaleX(1)}
.langs{display:flex;gap:.25rem;font-size:.8rem}
.langs a{padding:.25rem .5rem;border-radius:8px;color:var(--muted)}
.langs a[aria-current]{background:rgba(59,130,246,.2);color:var(--ink)}
.burger{display:none;background:none;border:0;width:44px;height:44px;position:relative;cursor:pointer}
.burger span{position:absolute;inset-inline:10px;height:2px;background:var(--ink);transition:transform .4s var(--ease)}
.burger span:first-child{top:17px}.burger span:last-child{top:25px}
.burger[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.95rem 1.7rem;border-radius:999px;border:0;color:#fff;font:600 1rem var(--font);background:var(--grad);cursor:pointer;box-shadow:0 0 0 1px rgba(255,255,255,.15) inset,0 10px 40px -10px var(--c2);transition:transform .3s var(--ease),box-shadow .3s}
.btn:hover{box-shadow:0 0 0 1px rgba(255,255,255,.3) inset,0 14px 50px -8px var(--c3)}
.btn-ghost{background:transparent;box-shadow:0 0 0 1px var(--line) inset}
.btn-sm{padding:.55rem 1.1rem;font-size:.9rem}
.btn[disabled]{opacity:.6;cursor:progress}

/* hero */
.hero{position:relative;min-height:100svh;display:grid;align-items:center;overflow:hidden;isolation:isolate}
#hero-canvas,.hero-fallback{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero-fallback{background:radial-gradient(60% 50% at 70% 40%,rgba(139,92,246,.35),transparent 70%),radial-gradient(50% 50% at 30% 70%,rgba(34,211,238,.2),transparent 70%),linear-gradient(var(--bg),var(--bg2));z-index:-2}
.hero::before{content:"";position:absolute;inset:auto 0 0;height:45%;z-index:-1;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:60px 60px;transform:perspective(500px) rotateX(60deg);transform-origin:bottom;mask-image:linear-gradient(transparent,#000);-webkit-mask-image:linear-gradient(transparent,#000)}
.hero-in{padding-top:6rem}
.hero-title{font-size:clamp(2.6rem,9vw,7.2rem);line-height:1;font-weight:800;letter-spacing:-.04em;margin-bottom:var(--s3)}
:root[lang=ar] .hero-title{letter-spacing:0;line-height:1.2}
.ln{display:block;overflow:hidden}.ln>span{display:inline-block}
.cta-row{display:flex;flex-wrap:wrap;gap:1rem;margin-top:var(--s4)}
.scroll-ind{position:absolute;bottom:1.5rem;inset-inline-start:50%;translate:-50% 0;display:grid;justify-items:center;gap:.5rem;font-size:.7rem;letter-spacing:.2em;color:var(--muted)}
.scroll-ind i{width:1px;height:44px;background:linear-gradient(var(--c1),transparent);animation:drop 2s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
.cursor-glow{position:fixed;width:420px;height:420px;margin:-210px 0 0 -210px;border-radius:50%;pointer-events:none;z-index:1;opacity:0;background:radial-gradient(circle,rgba(59,130,246,.16),transparent 65%);transition:opacity .4s}
@media (hover:none){.cursor-glow{display:none}}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:1.25rem;margin-top:var(--s4)}
.cards.three{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}
.card,.glass{position:relative;background:var(--glass);border:1px solid var(--line);border-radius:var(--r);padding:1.75rem;backdrop-filter:blur(12px);transition:border-color .4s,transform .4s var(--ease);transform-style:preserve-3d}
.card::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:var(--grad);opacity:0;transition:opacity .4s;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.card:hover::before{opacity:1}
.card h3{margin:1rem 0 .5rem;font-size:1.3rem}
.ico{color:var(--c1);filter:drop-shadow(0 0 12px rgba(34,211,238,.45))}
.card:hover .ico{animation:float 1.6s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-5px)}}
.chips{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1rem}
.chips li{font-size:.78rem;padding:.25rem .65rem;border:1px solid var(--line);border-radius:999px;color:var(--muted)}
.more{display:inline-flex;gap:.4rem;margin-top:1.2rem;color:var(--c1);font-weight:600}
.arr{transition:transform .3s}.more:hover .arr{transform:translateX(4px)}[dir=rtl] .arr{display:inline-block;transform:scaleX(-1)}[dir=rtl] .more:hover .arr{transform:scaleX(-1) translateX(4px)}

/* tech tabs */
.tech{display:grid;grid-template-columns:minmax(200px,280px) 1fr;gap:1.25rem;margin-top:var(--s4)}
.tabs{display:grid;gap:.4rem;align-content:start}
.tabs button{text-align:start;padding:.85rem 1.1rem;border-radius:14px;border:1px solid transparent;background:transparent;color:var(--muted);font:500 1rem var(--font);cursor:pointer;transition:all .3s}
.tabs button[aria-selected=true]{background:var(--glass);border-color:var(--line);color:var(--ink)}
.panels{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);padding:2rem;min-height:340px}
.panel:not([hidden]){animation:fade .5s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(10px)}}
.viz{width:100%;max-width:340px;margin-bottom:1rem}
.viz .node{fill:var(--c1)}.viz .edge{stroke:var(--c3);stroke-width:1;opacity:.6;stroke-dasharray:4;animation:flow 3s linear infinite}
@keyframes flow{to{stroke-dashoffset:-32}}

/* process */
.steps{margin-top:var(--s4);display:grid;gap:.75rem;max-width:760px;position:relative}
.step{background:var(--glass);border:1px solid var(--line);border-radius:16px}
.step-btn{width:100%;display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;background:none;border:0;color:var(--ink);font:600 1.05rem var(--font);text-align:start;cursor:pointer}
.num{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--grad);font-size:.9rem;flex:none}
.step-body{padding:0 1.25rem 1.25rem;padding-inline-start:calc(1.25rem + 34px + 1rem)}
.step-btn[aria-expanded=true] .num{box-shadow:0 0 20px var(--c2)}

/* form */
.form{margin-top:var(--s4);max-width:860px;display:grid;gap:1.1rem}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:1.1rem}
.fld{display:grid;gap:.4rem}.fld label{font-size:.9rem;color:var(--muted)}
input,select,textarea{width:100%;padding:.85rem 1rem;border-radius:12px;border:1px solid var(--line);background:rgba(5,8,22,.6);color:var(--ink);font:inherit}
select option{background:var(--bg2)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--c1);outline-offset:1px;border-color:transparent}
.fld.invalid input,.fld.invalid select,.fld.invalid textarea{border-color:#f87171}
.err{color:#fca5a5;font-size:.82rem;min-height:1em}
.chk label{display:flex;gap:.7rem;align-items:flex-start;color:var(--ink)}.chk input{width:auto;margin-top:.35rem}
.hp{position:absolute;inset-inline-start:-9999px}
.status{min-height:1.5em}.status.ok{color:#6ee7b7}.status.bad{color:#fca5a5}

/* footer */
.footer{border-top:1px solid var(--line);padding-top:var(--s4);margin-top:var(--s4);background:linear-gradient(transparent,rgba(59,130,246,.06))}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:2rem}
.foot-grid h3{font-size:.85rem;letter-spacing:.12em;color:var(--muted);margin-bottom:1rem;font-weight:600}
.foot-grid li{margin-bottom:.5rem}.foot-grid a:hover{color:var(--c1)}
.tag{margin-top:1rem;font-size:.85rem}
.foot-bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;padding-block:2rem;margin-top:2rem;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}
.wa-float{position:fixed;inset-inline-end:1.25rem;bottom:1.25rem;z-index:80;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:#25d366;color:#052e16;box-shadow:0 10px 30px rgba(37,211,102,.35);animation:pop .8s var(--ease) 1.5s both}
@keyframes pop{from{transform:scale(0)}}
.nf{min-height:100svh;display:grid;place-content:center;gap:1rem;justify-items:start}.nf h1{font-size:clamp(5rem,16vw,10rem);line-height:1}

/* reveal fallback: visible without JS */
.js .rv{opacity:0;transform:translateY(24px)}
.js .rv.in{opacity:1;transform:none;transition:opacity .8s var(--ease),transform .8s var(--ease)}

@media (max-width:900px){
 .burger{display:block}
 .menu{position:fixed;inset:0;background:rgba(5,8,22,.96);backdrop-filter:blur(20px);flex-direction:column;justify-content:center;gap:2rem;clip-path:circle(0 at calc(100% - 2rem) 2.2rem);transition:clip-path .7s var(--ease);visibility:hidden}
 [dir=rtl] .menu{clip-path:circle(0 at 2rem 2.2rem)}
 .menu.open{clip-path:circle(150% at 50% 50%);visibility:visible}
 .menu ul{flex-direction:column;align-items:center;gap:1.2rem;font-size:1.4rem}.nl{font-size:1.4rem}
 .burger{position:relative;z-index:2}
 .tech{grid-template-columns:1fr}.tabs{display:flex;overflow-x:auto;gap:.4rem}.tabs button{white-space:nowrap}
 .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}.sec{padding-block:4rem}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.js .rv{opacity:1;transform:none}}

.logo-mark{border-radius:50%;display:block}
#loader img{border-radius:50%;animation:pulse 1.2s ease-in-out infinite;box-shadow:0 0 60px rgba(47,91,234,.45)}
.btn-wa{background:#25d366;color:#052e16;box-shadow:0 10px 30px -10px rgba(37,211,102,.6)}
.wa-float{width:58px;height:58px}