:root{--bg: #f5f5f5;--surface: #171717;--text-primary: #17151b;--text-secondary: #494650;--action: #00bfa6;--radius-12: 12px;--content-max: 1280px;--page-gutter: max(16px, calc((100vw - var(--content-max)) / 2))}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text-primary);font-family:Yekan Bakh FaNum,Yekan Bakh,Vazirmatn,Tahoma,sans-serif}a{color:inherit;text-decoration:none}.site{min-height:100vh}.site-header{display:flex;align-items:center;padding:16px var(--page-gutter)}.nav-bar{display:flex;flex:1;align-items:center;justify-content:space-between;gap:24px;min-width:0;padding:8px;direction:ltr}.logo{flex-shrink:0;padding-inline:12px;font-size:14px;font-weight:600;line-height:20px;color:var(--surface);white-space:nowrap}.nav-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:32px;margin:0;padding:0;list-style:none;font-size:14px;font-weight:600;line-height:1.5;color:var(--text-secondary)}.nav-links a:hover{color:var(--text-primary)}.login-btn{display:inline-flex;flex-shrink:0;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-12);background:var(--action);color:var(--text-primary);font-size:14px;font-weight:600;line-height:1.5;white-space:nowrap}.login-btn:hover{filter:brightness(.96)}.login-btn img{display:block;width:18px;height:18px}@media (max-width: 900px){.nav-bar{flex-wrap:wrap;row-gap:12px}.nav-links{order:3;width:100%;justify-content:flex-start;gap:16px 24px}}