:root{
  --bg:#071022;
  --card:#0b1220;
  --muted:#98a0ad;
  --accent:#00c4b4;
  --accent-2:#ff7a59;
  --glass:rgba(255,255,255,0.03);
  --radius:12px;
  --max-width:1200px;
  --font:"Vazirmatn",system-ui,sans-serif;
  --header-height:86px;
  --header-h:var(--header-height);
}

*{box-sizing:border-box}
html{height:100%;scroll-behavior:smooth}
body{height:100%;margin:0;font-family:var(--font);background:linear-gradient(180deg,#04101a 0,var(--bg) 60%);color:#eaf6f3;line-height:1.6;-webkit-font-smoothing:antialiased}
.container{max-width:var(--max-width);margin:0 auto;padding:1rem}

/* header / nav */
header{position:sticky;top:0;z-index:70;background:linear-gradient(180deg,rgba(2,6,10,.6),rgba(2,6,10,.25));backdrop-filter:blur(6px);border-bottom:1px solid rgba(255,255,255,.03)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.8rem}
.logo{width:44px;height:44px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent-2));border-radius:10px;box-shadow:0 8px 28px rgba(0,0,0,.25);color:#041018;font-weight:700}

/* accessibility skip link */
.skip{position:absolute;left:1rem;top:-40px;background:#fff;padding:.45rem .6rem;border-radius:6px;z-index:100;transition:top .18s}
.skip:focus{top:1rem}

/* nav links & buttons */
nav a{color:var(--muted);text-decoration:none;margin-left:1rem;font-weight:600}
nav a:focus,nav a:hover{color:var(--accent);outline-offset:4px}
.btn{display:inline-flex;gap:.6rem;padding:.7rem 1rem;border-radius:9px;border:none;align-items:center;cursor:pointer;font-weight:700}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#041018;border-radius:10px;padding:.7rem 1.1rem;background-size:200% auto;transition:transform .22s,background-position .45s}
.btn-primary:hover{transform:translateY(-3px);background-position:right center;box-shadow:0 8px 30px rgba(0,196,180,.12)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.04);padding:.6rem .9rem;border-radius:9px;color:var(--muted)}
.btn:focus{outline:rgba(0,196,180,.12) solid 3px;outline-offset:3px}

/* form controls */
input,select,textarea{background:transparent;border:1px solid rgba(255,255,255,.05);padding:.8rem;border-radius:8px;color:inherit}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 8px 24px rgba(0,196,180,.06)}

/* cards, grids, layout */
.card{background:var(--card);padding:1.25rem;border-radius:var(--radius);border:1px solid rgba(255,255,255,.03);transition:transform .35s,box-shadow .35s}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(2,6,10,.6)}
.grid,.hero,.hero-grid{display:grid;gap:1rem}
.grid{gap:1rem}
.cards{display:grid;gap:1rem}

/* hero */
.hero{padding:3rem 0 1rem;gap:.8rem;min-height:72vh}
.hero-grid{display:grid;grid-template-columns:1fr;gap:1.2rem;width:100%}
@media(min-width:900px){.grid{grid-template-columns:1fr 380px}.hero-grid{grid-template-columns:1fr 420px}}
.hero-card{background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.01));padding:2rem;border-radius:var(--radius);border:1px solid rgba(255,255,255,.03)}
.kicker{display:inline-block;padding:.25rem .7rem;background:var(--glass);border-radius:999px;font-size:.88rem}
.hero-title{font-size:clamp(1.8rem,3vw,2.4rem);margin:.6rem 0 0;color:#fff}
.hero-sub{color:var(--muted);margin-top:.75rem}

/* portfolio / shots */
.portfolio-preview{display:grid;gap:12px;grid-template-columns:repeat(2,1fr)}
@media(min-width:880px){.portfolio-preview{grid-template-columns:repeat(3,1fr)}}
.shot{background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.01));border-radius:12px;overflow:hidden;position:relative}
.shot img{width:100%;height:200px;object-fit:cover;display:block;transition:transform .6s}
.shot:hover img{transform:scale(1.05)}
.meta{position:absolute;inset:auto 0 0 0;padding:.7rem;background:linear-gradient(180deg,transparent,rgba(0,0,0,.55));color:#fff}

/* avatar / team */
.avatar{width:74px;height:74px;flex-shrink:0;border-radius:12px;overflow:hidden}
.avatar img,.shot img{object-fit:cover;display:block;width:100%;height:100%}
.member{display:flex;gap:.9rem;align-items:center}
.role,.muted,.close-btn,.pill{color:var(--muted)}
.pill{background:var(--glass);padding:.5rem .7rem;border-radius:999px}

/* timeline / info */
.row,.timeline{display:grid;gap:.6rem}
.timeline .item{display:flex;gap:.8rem;align-items:flex-start}
.dot{width:10px;height:10px;border-radius:50%;background:var(--accent);margin-top:.6rem}

/* actions / lists / forms */
.actions,.info-item,.info-list,form,.modal.open{display:flex}
form{flex-direction:column;gap:.8rem}
.actions{gap:.6rem;margin-top:.4rem}
.info-list{flex-direction:column;gap:.6rem}
.info-item{gap:.7rem;align-items:flex-start}

/* map */
.map{width:100%;height:220px;overflow:hidden;border:1px solid rgba(255,255,255,.03);border-radius:10px}

/* modal */
.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(2,6,10,.85);z-index:80;opacity:0;pointer-events:none;transition:opacity .26s}
.modal.open{opacity:1;pointer-events:auto}
.modal-inner{max-width:1000px;width:94%;background:#07101a;border-radius:10px;padding:1rem;max-height:90vh;overflow-y:auto}
.modal-media{width:100%;height:60vh;display:grid;overflow:hidden}
.modal-media img,.modal-media video{max-width:100%;max-height:100%;border-radius:8px}
.modal-body{margin-top:.7rem}
.close-btn{float:left;background:transparent;border:none;font-size:1.2rem;cursor:pointer}

/* chips / filters / faq */
.chip,details{background:var(--glass);border-radius:10px;border:1px solid rgba(255,255,255,.02);padding:.75rem}
.chip{padding:.5rem .7rem;border-radius:999px}
.chip.active,.load-more{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#041018;border-color:transparent}
.filters{display:flex;gap:.6rem;flex-wrap:wrap}
.faq{margin-top:1rem}

/* footer */
footer{padding:2rem 0;border-top:1px solid rgba(255,255,255,.03);margin-top:2rem}

/* reveal animation */
[data-reveal]{opacity:0;transform:translateY(8px);transition:opacity .6s,transform .6s}
[data-reveal].revealed{opacity:1;transform:none}

/* focus anchor offset */
:focus{scroll-margin-top:calc(var(--header-h) + 12px)}

/* reduced motion */
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* hero animation overlay */
.hero-animation{width:100%;height:400px;position:relative;overflow:hidden;border-radius:12px;background:#071022}
.overlay-text{position:absolute;z-index:2;width:100%;text-align:center;top:50%;transform:translateY(-50%);color:#fff}
.overlay-text h2{font-size:2.5rem;font-weight:800;text-shadow:0 0 15px #0ff,0 0 30px #0ff}
.overlay-text p{margin-top:.5rem;font-size:1.2rem;color:rgba(255,255,255,.8);text-shadow:0 0 8px #0ff}
.cta-row{margin-top:1rem;display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap}

/* mobile nav */
.hamburger{display:none;color:var(--muted);background:transparent;border:none;font-size:1.6rem;cursor:pointer;transition:color .3s}
.mobile-nav{display:flex;flex-direction:column;gap:.6rem;padding:1rem;background:var(--card);border-top:1px solid rgba(255,255,255,.03);position:absolute;top:100%;left:0;right:0;transform:translateY(-20px);opacity:0;pointer-events:none;transition:transform .3s,opacity .3s;z-index:60}
.mobile-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
.mobile-nav a{padding:.6rem 1rem;border-radius:8px;transition:background .2s,color .2s}
.mobile-nav a:hover{background:rgba(0,196,180,.1)}
.hamburger:hover,.mobile-nav a:hover{color:var(--accent)}

@media (max-width:900px){
  .cards,.grid,.hero-grid{grid-template-columns:1fr}
  .hero-grid{gap:1rem}
  .hero-card{padding:1.5rem}
  .hero-card .cta-row{flex-direction:column;gap:.5rem}
  .hero img{height:220px;object-fit:cover}
  .cards,.grid{gap:.8rem}
  .services h2{font-size:1.5rem}
  .services p{font-size:.9rem}
  .shot img{height:200px}
  footer .container{flex-direction:column;align-items:flex-start;gap:.5rem}
  .modal-inner{width:95%}
  .modal-media img{width:100%;height:auto}
}
@media (max-width:768px){
  .nav-links{display:none}
  .hamburger{display:block}
  .mobile-nav{display:flex}
}