:root{--font-body: "Inter", sans-serif;--font-heading: "Outfit", sans-serif;--color-bg: #090a0f;--color-card-bg: rgba(17, 18, 28, .65);--color-border: rgba(255, 255, 255, .08);--color-text-primary: #f3f4f6;--color-text-secondary: #9ca3af;--color-primary: #6366f1;--color-primary-hover: #4f46e5;--color-accent: #a855f7;--color-accent-hover: #9333ea;--color-success: #10b981;--color-error: #ef4444;--shadow-glow: 0 0 30px rgba(99, 102, 241, .15);--shadow-card: 0 10px 40px rgba(0, 0, 0, .3);--radius-lg: 16px;--radius-md: 10px;--transition-base: all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html{width:100%;max-width:100%;overflow-x:hidden;overscroll-behavior-x:none}body{font-family:var(--font-body);background-color:var(--color-bg);color:var(--color-text-primary);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;width:100%;max-width:100%;position:relative}body:before{content:"";position:absolute;width:600px;height:600px;top:-100px;left:-100px;background:radial-gradient(circle,rgba(99,102,241,.12) 0%,transparent 70%);z-index:-1;pointer-events:none}body:after{content:"";position:absolute;width:600px;height:600px;bottom:-100px;right:-100px;background:radial-gradient(circle,rgba(168,85,247,.08) 0%,transparent 70%);z-index:-1;pointer-events:none}a{color:inherit;text-decoration:none;transition:var(--transition-base)}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:700;letter-spacing:-.02em;line-height:1.25}.glass-card{background:var(--color-card-bg);border:1px solid var(--color-border);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;font-family:var(--font-heading);font-weight:600;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-base);border:none;gap:8px}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent) 100%);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 40px #6366f159;filter:brightness(1.1)}.btn-secondary{background:#ffffff0f;border:1px solid var(--color-border);color:var(--color-text-primary)}.btn-secondary:hover{background:#ffffff1f;transform:translateY(-2px)}header{border-bottom:1px solid var(--color-border);padding:16px 24px;position:sticky;top:0;z-index:100;background:#090a0fd9;backdrop-filter:blur(12px)}.nav-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo{font-family:var(--font-heading);font-size:24px;font-weight:800;background:linear-gradient(135deg,#fff 30%,var(--color-primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:flex;align-items:center;gap:8px}.nav-links{display:flex;gap:24px;align-items:center}.nav-item{font-size:14px;font-weight:500;color:var(--color-text-secondary)}.nav-item:hover,.nav-item.active{color:var(--color-text-primary)}.lang-select{background:#ffffff0f;border:1px solid var(--color-border);color:var(--color-text-primary);padding:8px 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p{color:var(--color-text-secondary);font-size:14px;margin-top:12px;max-width:400px}.footer-links{display:flex;flex-direction:column;gap:12px}.footer-links h4{font-size:16px;margin-bottom:8px;color:var(--color-text-primary)}.footer-link{font-size:14px;color:var(--color-text-secondary)}.footer-link:hover{color:var(--color-primary)}.footer-copyright{grid-column:1 / -1;border-top:1px solid var(--color-border);padding-top:24px;text-align:center;color:var(--color-text-secondary);font-size:13px;margin-top:20px}.nav-dropdown{position:relative;cursor:pointer}.nav-dropdown-content{display:none;position:absolute;top:100%;left:50%;transform:translate(-50%);background:var(--color-card-bg);min-width:220px;border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:8px 0;z-index:200;backdrop-filter:blur(16px)}.nav-dropdown:hover .nav-dropdown-content{display:flex;flex-direction:column}.dropdown-item{padding:12px 20px;font-size:14px;font-weight:500;color:var(--color-text-secondary);transition:var(--transition-base);display:flex;align-items:center;gap:10px}.dropdown-item:hover{background:#ffffff0d;color:var(--color-text-primary)}.mobile-menu-btn{display:none;background:none;border:none;color:var(--color-text-primary);cursor:pointer;padding:8px;margin-left:10px}.mobile-menu-overlay{position:fixed;inset:0;background:#090a0ffa;z-index:999;display:flex;flex-direction:column;padding:24px;transform:translate(100%);transition:transform .3s ease-in-out}.mobile-menu-overlay.active{transform:translate(0)}.mobile-menu-close{align-self:flex-end;background:none;border:none;color:var(--color-text-primary);font-size:32px;cursor:pointer;margin-bottom:24px}.mobile-nav-links{display:flex;flex-direction:column;gap:24px;align-items:center}.mobile-nav-item{font-size:20px;font-weight:600;color:var(--color-text-primary)}@media (max-width: 768px){header{padding:12px 14px}.nav-container{gap:12px}.logo{min-width:0;font-size:21px}.nav-links{display:none}.mobile-menu-btn{display:block}.lang-select{max-width:145px;padding:8px 10px;font-size:13px}main{padding:28px 14px}footer{margin-top:48px;padding:32px 16px}.footer-container{grid-template-columns:1fr;gap:30px}}@media (max-width: 420px){main{padding-left:10px;padding-right:10px}.btn{width:100%;min-height:44px;padding:11px 16px}}