:root{
  --brand:#0a84ff;
  --brand-2:#00629b;
  --accent:#22c55e;
  --danger:#ef4444;
  /* Dark theme (enforced) */
  --bg:#0b1020;
  --surface:#121830;
  --card:#161d37;
  --muted:#9aa4b2;
  --text:#e6eaf0;
  --text-strong:#ffffff;
  --link:#e6eaf0;
  --border:rgba(255,255,255,.10);
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --shadow-lg:0 16px 40px rgba(0,0,0,.35);
  --header-bg:rgba(15,20,40,.72);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{height:100%}
body{
  margin:0;
  font-family:"Vazirmatn", Tahoma, "Segoe UI", system-ui, sans-serif;
  line-height:1.75;
  color:var(--text);
  background: var(--bg);
}

/* Typography */
h1,h2,h3{line-height:1.3;margin:0 0 .6rem;color:var(--text-strong)}
h1{font-size:clamp(28px,3.2vw,42px)}
h2{font-size:clamp(22px,2.4vw,32px)}
h3{font-size:clamp(18px,1.8vw,24px)}
p{margin:0 0 1rem;color:var(--text)}
.small{font-size:.9rem;color:var(--muted)}
.muted{color:var(--muted)}

/* Ensure form controls inherit site font */
button,input,select,textarea{font:inherit;font-family:inherit}
input[type="search"]{-webkit-appearance:none;appearance:none}

.container{width:min(1200px,92%);margin-inline:auto}
.section{padding:56px 0}
.section-title{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.section-title:before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,var(--brand),var(--accent))}

/* Header / Navbar */
.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:saturate(130%) blur(12px);border-bottom:1px solid var(--border)}
.navbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-logo{width:36px;height:36px;display:grid;place-items:center;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 6px 18px rgba(10,132,255,.28);font-weight:800;color:#fff}
.brand-logo-img{height:36px;width:auto;display:block;object-fit:contain;filter:drop-shadow(0 6px 16px rgba(10,132,255,.22))}
.brand-title{font-weight:800;letter-spacing:.2px;color:var(--text-strong)}

.nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.nav a{color:var(--link);text-decoration:none;padding:8px 12px;border-radius:10px;transition:all .2s ease}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.active{background:linear-gradient(135deg,rgba(10,132,255,.18),rgba(34,197,94,.12));border:1px solid var(--border);color:#fff}

/* Hero */
.hero{padding:72px 0 42px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.hero-card{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px solid var(--border);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.hero h1{font-weight:900}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(10,132,255,.15);border:1px solid var(--border);color:#cfe6ff;font-weight:700;margin-bottom:12px}
.kicker .dot{width:8px;height:8px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--accent))}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.btn{appearance:none;border:none;cursor:pointer;text-decoration:none;padding:10px 16px;border-radius:12px;font-weight:700;letter-spacing:.2px;transition:transform .06s ease, filter .2s ease, background .2s ease, box-shadow .2s ease;color:#fff;font-family:"Vazirmatn", Tahoma, "Segoe UI", system-ui, sans-serif}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),#5aa5ff)}
.btn-primary:hover{box-shadow:0 10px 26px rgba(10,132,255,.35)}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid var(--border);color:#e9eef6}
.btn-ghost:hover{background:rgba(255,255,255,.10);box-shadow:0 8px 18px rgba(0,0,0,.25)}
.btn:focus-visible{outline:3px solid rgba(10,132,255,.35);outline-offset:2px}

/* Cards / Grid */
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.card{grid-column:span 4;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow);transition:transform .2s ease, box-shadow .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.35)}
.card .icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(10,132,255,.22),rgba(34,197,94,.18));margin-bottom:10px}
.card .actions{margin-top:8px}
.card .actions a{color:#b9ddff;text-decoration:none}

/* Grid utilities for responsive spans */
.col-6{grid-column:span 6}
.col-4{grid-column:span 4}

/* About timeline */
.timeline{position:relative;margin:12px 0;padding-right:20px}
.timeline:before{content:"";position:absolute;right:10px;top:0;bottom:0;width:2px;background:linear-gradient(var(--brand),transparent)}
.timeline-item{position:relative;margin:18px 0;padding:12px 16px 12px 12px;border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.03)}
.timeline-item:before{content:"";position:absolute;right:-2px;top:20px;transform:translate(50%,-50%);width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));box-shadow:0 0 0 3px rgba(10,132,255,.15)}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.gallery a{display:block}
.gallery img{width:100%;height:220px;object-fit:cover;border-radius:14px;border:1px solid var(--border);box-shadow:var(--shadow);transition:transform .25s ease, filter .25s ease}
.gallery img:hover{transform:translateY(-3px) scale(1.01);filter:saturate(1.05)}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.step-card{border:1px solid var(--border);border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));padding:18px;box-shadow:var(--shadow)}
.step-badge{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand-2));font-weight:800;margin-left:6px}
.step-card img{display:block;max-width:100%;width:auto;height:auto;max-height:420px;margin:8px auto 0;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}

/* Map */
.map-wrap{border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
#map-container{height:520px}
.legend{margin-top:12px;display:flex;gap:12px;flex-wrap:wrap}
.legend .pill{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,.04)}
.legend .dot{width:10px;height:10px;border-radius:999px}
.dot-red{background:#ef4444}.dot-blue{background:#3b82f6}.dot-green{background:#22c55e}

/* Footer */
.site-footer{margin-top:42px;padding:22px 0;border-top:1px solid var(--border);color:var(--muted);background:transparent}

/* Accessibility */
a:focus-visible{outline:3px solid rgba(10,132,255,.35);outline-offset:2px;border-radius:10px}

/* Theme toggle */
.theme-toggle{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--link);cursor:pointer;box-shadow:var(--shadow);transition:box-shadow .2s ease, background .2s ease}
.theme-toggle:hover{box-shadow:var(--shadow-lg)}
.theme-toggle .icon{width:18px;height:18px;display:inline-block}

/* Responsive */
@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
  .card{grid-column:span 6}
  .col-6{grid-column:span 12}
}
@media (max-width: 640px){
  .card{grid-column:span 12}
  .step-card img{max-height:300px}
  .col-6{grid-column:span 12}
}