/* ===== متغیرهای رنگ: برای تغییر رنگ‌ها فقط این بخش را ویرایش کنید ===== */
@font-face{font-family:Vazirmatn;src:url(../fonts/Vazirmatn-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(../fonts/Vazirmatn-Bold.woff2) format("woff2");font-weight:700;font-display:swap}
:root{--bg:#060912;--bg2:#0d1226;--text:#e6ebff;--muted:#93a0c8;--c1:#3b82f6;--c2:#8b5cf6;--c3:#22d3ee;
--glass:rgba(255,255,255,.05);--line:rgba(140,160,255,.2);--grad:linear-gradient(135deg,var(--c1),var(--c2) 55%,var(--c3));--r:18px}
:root[data-theme=light]{--bg:#f3f6ff;--bg2:#e6ecff;--text:#0f1733;--muted:#4b587f;--glass:rgba(255,255,255,.7);--line:rgba(60,80,180,.2)}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:Vazirmatn,Tahoma,sans-serif;background:var(--bg);color:var(--text);line-height:1.9;overflow-x:hidden;
background-image:radial-gradient(60vmax 40vmax at 90% -10%,rgba(139,92,246,.22),transparent),radial-gradient(50vmax 40vmax at 0% 30%,rgba(34,211,238,.12),transparent)}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--c3);outline-offset:3px}
.wrap{width:min(1120px,92%);margin-inline:auto}
section{padding-block:5rem}
h1,h2,h3{line-height:1.4}
h2{font-size:clamp(1.6rem,4vw,2.4rem);margin-block-end:.5rem}
.sub{color:var(--muted);margin-block-end:2.5rem;max-width:60ch}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
header{position:fixed;inset-inline:0;top:0;z-index:50;backdrop-filter:blur(16px);background:color-mix(in srgb,var(--bg) 70%,transparent);border-block-end:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;gap:.6rem;align-items:center;font-weight:700}
.menu{display:flex;gap:1.4rem;list-style:none;padding:0;align-items:center}
.menu a{color:var(--muted);transition:.2s}.menu a:hover{color:var(--c3)}
.icon-btn{background:var(--glass);border:1px solid var(--line);color:var(--text);border-radius:12px;width:40px;height:40px;cursor:pointer;font:inherit}
#burger{display:none}
.btn{display:inline-block;padding:.8rem 1.8rem;border-radius:14px;font:inherit;font-weight:700;cursor:pointer;border:1px solid var(--line);color:var(--text);background:var(--glass);transition:.3s}
.btn.primary{background:var(--grad);border:0;color:#fff;box-shadow:0 0 24px rgba(59,130,246,.45)}
.btn:hover{transform:translateY(-3px);box-shadow:0 0 34px rgba(34,211,238,.5)}
.hero{min-height:100vh;display:grid;place-items:center;text-align:center;position:relative;padding-block:7rem 4rem}
#net{position:absolute;inset:0;width:100%;height:100%}
.hero .wrap{position:relative}
.hero h1{font-size:clamp(2rem,6vw,4rem);min-height:2.8em}
.cursor{display:inline-block;width:3px;height:1em;background:var(--c3);vertical-align:middle;margin-inline-start:4px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.hero p{color:var(--muted);max-width:56ch;margin:1rem auto 2rem;font-size:1.1rem}
.hero .btn{margin:.3rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.4rem}
.card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;backdrop-filter:blur(10px);transition:transform .15s,border-color .3s,box-shadow .3s;transform-style:preserve-3d}
.card:hover{border-color:var(--c3);box-shadow:0 0 30px rgba(34,211,238,.18)}
.card svg{width:40px;height:40px;stroke:var(--c3);fill:none;stroke-width:1.6;margin-block-end:.8rem}
.card p{color:var(--muted);font-size:.95rem}
.stat b{display:block;font-size:2.4rem}
.stat span{color:var(--muted)}
.steps{display:flex;gap:1rem;flex-wrap:wrap}
.step{flex:1 1 170px;border-block-start:3px solid;border-image:var(--grad) 1;padding-block-start:1rem}
.step i{font-style:normal;color:var(--c3);font-weight:700}
.bar{height:8px;background:var(--line);border-radius:8px;overflow:hidden;margin-block-start:.5rem}
.bar div{height:100%;width:0;background:var(--grad);border-radius:8px;transition:width 1.4s ease;box-shadow:0 0 12px var(--c3)}
.skill{display:flex;justify-content:space-between}
.filters{display:flex;gap:.6rem;flex-wrap:wrap;margin-block-end:1.5rem}
.filters .btn{padding:.4rem 1.2rem}.filters .btn.on{background:var(--grad);color:#fff;border:0}
.hide{display:none}
#chart{width:100%;height:340px;display:block;background:var(--glass);border:1px solid var(--line);border-radius:var(--r)}
.faq button{width:100%;text-align:start;background:var(--glass);border:1px solid var(--line);color:var(--text);font:inherit;font-weight:700;padding:1rem 1.2rem;border-radius:14px;cursor:pointer;margin-block-start:.7rem}
.faq .ans{max-height:0;overflow:hidden;transition:max-height .4s;color:var(--muted);padding-inline:1.2rem}
.faq .open+.ans{max-height:200px;padding-block:.8rem}
.slider{overflow:hidden}.track{display:flex;transition:transform .6s}
.slide{flex:0 0 100%;text-align:center;padding:1rem 8%}
.dots{display:flex;gap:.5rem;justify-content:center}.dots button{width:10px;height:10px;border-radius:50%;border:0;background:var(--line);cursor:pointer}.dots .on{background:var(--c3)}
form{display:grid;gap:1rem}
input,textarea{width:100%;font:inherit;color:var(--text);background:var(--glass);border:1px solid var(--line);border-radius:12px;padding:.8rem 1rem}
.hp{position:absolute;inset-inline-start:-9999px}
#msg{min-height:1.5rem;color:var(--c3)}
footer{border-block-start:1px solid var(--line);padding-block:2.5rem;color:var(--muted);text-align:center}
footer a{margin-inline:.6rem}footer a:hover{color:var(--c3)}
.rv{opacity:0;transform:translateY(24px);transition:.8s}.rv.in{opacity:1;transform:none}
@media(max-width:820px){#burger{display:block}.menu{position:absolute;inset-inline:0;top:68px;background:var(--bg2);flex-direction:column;padding:1.2rem;display:none;border-block-end:1px solid var(--line)}.menu.show{display:flex}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}html{scroll-behavior:auto}}