@import url("https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap");

:root{--bg:#f4f7fb;--card:#fff;--text:#172033;--muted:#667085;--primary:#3157d5;--primary-dark:#213eaa;--border:#e3e8f0;--shadow:0 18px 45px rgba(30,45,75,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:radial-gradient(circle at top right,rgba(49,87,213,.13),transparent 30rem),linear-gradient(135deg,#fbfdff,var(--bg));font-family:"Vazirmatn",Tahoma,sans-serif;line-height:1.9;min-height:100vh}.container{width:min(100% - 28px,1100px);margin:auto}
.shared-header{position:sticky;top:0;z-index:20;padding:0;text-align:initial;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.shared-nav{width:min(100% - 28px,1100px);margin:auto;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:14px}.brand{font-weight:800;color:var(--primary);text-decoration:none}.back-home{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--text);text-decoration:none;font-weight:700}.back-home:hover{border-color:var(--primary);color:var(--primary)}.shared-footer{padding:22px 14px 34px;text-align:center;color:var(--muted);font-size:.9rem}.language-switcher,.language-box{display:flex;gap:5px;padding:5px;border:1px solid var(--border);border-radius:12px;background:#fff;box-shadow:0 5px 18px rgba(30,45,75,.06)}button{border:0;border-radius:10px;padding:10px 15px;color:var(--muted);background:transparent;font:inherit;font-weight:700;cursor:pointer;transition:.2s ease}button:hover{transform:translateY(-1px)}.language-switcher button.active,.language-box button.active{color:#fff;background:var(--primary)}
.language-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:rgba(17,27,51,.52);backdrop-filter:blur(6px)}.language-modal[hidden]{display:none}.language-dialog{width:min(100%,440px);padding:32px;border-radius:24px;background:#fff;box-shadow:0 25px 80px rgba(20,35,75,.25);text-align:center}.language-dialog h2{margin:0 0 8px}.language-dialog p{margin:0 0 22px;color:var(--muted)}.language-choice{display:flex;gap:12px}.language-choice button{flex:1;padding:14px;background:#f1f4fb;color:var(--text);border:1px solid var(--border)}.language-choice button:hover{background:var(--primary);color:#fff}
@media(max-width:650px){.shared-nav{flex-wrap:wrap;padding:9px 0}.brand{font-size:.95rem}.shared-nav .language-switcher{order:3;width:100%;justify-content:center}}

/* Compact mobile navigation */
.shared-menu{display:flex;align-items:center;gap:14px}
.menu-toggle{display:none}
@media(max-width:650px){
  .shared-nav{position:relative;min-height:58px;flex-wrap:nowrap;padding:8px 0}
  .brand{font-size:.95rem}
  .menu-toggle{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid var(--border);background:#fff}
  .menu-icon{font-size:1.2rem;line-height:1}
  .shared-menu{position:absolute;top:calc(100% + 8px);inset-inline:0;display:none;flex-direction:column;align-items:stretch;gap:10px;padding:12px;border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:var(--shadow)}
  .shared-menu.is-open{display:flex}
  .shared-menu .back-home{justify-content:center}
  .shared-menu .language-switcher{width:100%;justify-content:center}
}