:root{--primary:#607afb;--background-light:#f5f6f8;--text-dark:#1e293b;--text-medium:#64748b;--text-light:#94a3b8}*{box-sizing:border-box;margin:0;padding:0}html,body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100%;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{background:var(--background-light);color:var(--text-dark)}a{color:inherit;text-decoration:none}.top-bar{background:var(--primary);z-index:1001;height:4px;position:sticky;top:0}.header{z-index:1000;background:#fff;position:sticky;top:4px;box-shadow:0 1px 3px #0000000d}.header-container{max-width:1120px;margin:0 auto;padding:0 1rem}@media (min-width:640px){.header-container{padding:0 1.5rem}}@media (min-width:1024px){.header-container{padding:0 2rem}}.header-content{justify-content:space-between;align-items:center;padding:1rem 0;display:flex}.logo-section{align-items:center;gap:.75rem;display:flex}.logo-icon{background:var(--primary);border-radius:9999px;justify-content:center;align-items:center;padding:.5rem;display:flex}.logo-icon .icon{color:#fff;width:1.5rem;height:1.5rem}.site-title h1{color:var(--primary);font-size:1.5rem;font-weight:700}.nav-desktop{color:var(--text-medium);align-items:center;gap:1.5rem;font-size:.875rem;font-weight:500;display:none}@media (min-width:768px){.nav-desktop{display:flex}}.nav-link{color:inherit;text-decoration:none;transition:color .2s}.nav-link:hover{color:var(--primary)}.nav-link-primary{background:var(--primary);color:#fff;border-radius:6px;padding:.5rem 1rem;font-weight:600;transition:all .2s}.nav-link-primary:hover{color:#fff;background:#4c62d9;transform:translateY(-2px)}.lang-switcher{background:#f1f5f9;border-radius:6px;gap:.25rem;padding:.25rem;display:flex}.lang-btn{text-transform:uppercase;color:var(--text-medium);border-radius:4px;padding:.375rem .75rem;font-size:.75rem;font-weight:600;text-decoration:none;transition:all .2s}.lang-btn:hover{color:var(--text-dark);background:#e2e8f0}.lang-btn-active,.lang-btn-active:hover{background:var(--primary);color:#fff}.hamburger-btn{cursor:pointer;color:var(--text-medium);background:0 0;border:none;display:block}@media (min-width:768px){.hamburger-btn{display:none}}.hamburger-btn .icon{width:1.5rem;height:1.5rem}.main-content{min-height:calc(100vh - 4px)}