:root{--max-width:1100px;--accent:#10b981;--accent-dark:#059669;--muted:#64748b;--dark:#0f172a}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:#1e293b;line-height:1.6}

/* Single Line Header */
.site-header{background:#fff;border-bottom:1px solid #e2e8f0;position:sticky;top:0;z-index:100;box-shadow:0 1px 3px rgba(0,0,0,0.05)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding:0.75rem 1rem;max-width:var(--max-width);margin:0 auto}

/* Logo */
.logo{display:flex;align-items:center;text-decoration:none}
.logo svg{height:36px;width:auto}

/* Navigation */
.nav-main{display:flex;align-items:center;gap:0.25rem}
.nav-main a{color:var(--muted);text-decoration:none;padding:0.5rem 0.875rem;border-radius:6px;font-size:0.9rem;font-weight:500;transition:all 0.2s}
.nav-main a:hover,.nav-main a.active{color:var(--accent);background:#f0fdf4}

/* Header Right Icons */
.header-right{display:flex;align-items:center;gap:0.5rem}
.icon-btn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:transparent;border:none;cursor:pointer;color:var(--muted);transition:all 0.2s}
.icon-btn:hover{background:#f1f5f9;color:var(--dark)}
.icon-btn svg{width:20px;height:20px}

/* Language Dropdown */
.lang-dropdown{position:relative}
.lang-dropdown .flag-btn{display:flex;align-items:center;gap:0.25rem;padding:0.4rem 0.6rem;border-radius:6px;background:transparent;border:1px solid #e2e8f0;cursor:pointer;font-size:0.8rem;color:var(--muted)}
.lang-dropdown .flag-btn:hover{border-color:#cbd5e1}
.lang-menu{position:absolute;top:100%;right:0;background:#fff;border:1px solid #e2e8f0;border-radius:8px;box-shadow:0 10px 40px rgba(0,0,0,0.1);min-width:140px;display:none;margin-top:0.5rem;overflow:hidden;z-index:200}
.lang-menu.show{display:block}
.lang-menu a{display:flex;align-items:center;gap:0.5rem;padding:0.6rem 1rem;color:var(--dark);text-decoration:none;font-size:0.85rem}
.lang-menu a:hover{background:#f8fafc}

/* Login Button */
.login-btn{display:flex;align-items:center;gap:0.4rem;padding:0.5rem 1rem;background:var(--accent);color:#fff!important;border-radius:8px;font-weight:600;font-size:0.85rem;text-decoration:none;transition:all 0.2s}
.login-btn:hover{background:var(--accent-dark);transform:translateY(-1px)}
.login-btn svg{width:18px;height:18px}

/* User Profile (when logged in) */
.profile-btn{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:0.85rem;cursor:pointer;border:none}

/* Mobile Menu */
.menu-toggle{display:none;width:40px;height:40px;border:none;background:transparent;cursor:pointer;color:var(--dark)}
.menu-toggle svg{width:24px;height:24px}
.mobile-menu{display:none;position:fixed;top:60px;left:0;right:0;bottom:0;background:#fff;z-index:99;padding:1rem;overflow-y:auto}
.mobile-menu.show{display:block}
.mobile-menu a{display:block;padding:1rem;color:var(--dark);text-decoration:none;font-size:1.1rem;border-bottom:1px solid #f1f5f9}
.mobile-menu a:hover{background:#f8fafc}

/* Search Overlay */
.search-overlay{display:none;position:fixed;inset:0;background:rgba(15,23,42,0.8);z-index:300;align-items:flex-start;justify-content:center;padding-top:15vh}
.search-overlay.show{display:flex}
.search-box{background:#fff;border-radius:12px;padding:1.5rem;width:90%;max-width:500px;box-shadow:0 25px 50px rgba(0,0,0,0.25)}
.search-box input{width:100%;padding:1rem;font-size:1.1rem;border:2px solid #e2e8f0;border-radius:8px;outline:none}
.search-box input:focus{border-color:var(--accent)}

@media(max-width:768px){
  .nav-main{display:none}
  .menu-toggle{display:flex;align-items:center;justify-content:center}
  .header-right .login-btn span{display:none}
  .header-right .login-btn{padding:0.5rem}
}

/* Rest of site styles */
.container{max-width:var(--max-width);margin:0 auto;padding:1rem}
.hero{padding:4rem 1rem;text-align:center;background:linear-gradient(135deg,#f0fdf4 0%,#ecfeff 100%)}
.hero h2{font-size:2.5rem;color:var(--dark);margin-bottom:1rem}
.hero p{font-size:1.2rem;color:var(--muted);margin-bottom:2rem}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:0.875rem 2rem;border-radius:8px;text-decoration:none;font-weight:600;transition:all 0.2s}
.btn:hover{background:var(--accent-dark);transform:translateY(-2px)}
.grid{margin-top:2rem}
.grid h3{font-size:1.5rem;margin-bottom:1.5rem;color:var(--dark)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
.card{border:1px solid #e2e8f0;padding:1.25rem;border-radius:12px;background:#fff;transition:all 0.2s}
.card:hover{box-shadow:0 10px 40px rgba(0,0,0,0.08);transform:translateY(-2px)}
.card h4{margin:0.5rem 0;color:var(--dark)}
.card p{color:var(--muted);font-size:0.9rem}
.site-footer{margin-top:4rem;padding:2rem 1rem;background:var(--dark);color:#94a3b8;text-align:center}
form label{display:block;margin:0.75rem 0 0.25rem;font-weight:500}
input,select,textarea{width:100%;padding:0.75rem;border:1px solid #e2e8f0;border-radius:8px;font-size:1rem}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
.muted{color:var(--muted)}