:root[data-theme="dark"]{--bg:#020617;--surface:#0f172a;--surface-hover:#1e293b;--primary:#FF512F;--primary-glow:rgba(255,81,47,0.4);--secure:#10b981;--secure-glow:rgba(16,185,129,0.15);--text:#f8fafc;--text-dim:#94a3b8;--border:rgba(255,255,255,0.1);--header-bg:rgba(2,6,23,0.85);--shadow:rgba(0,0,0,0.3)}:root[data-theme="light"]{--bg:#f8fafc;--surface:#ffffff;--surface-hover:#f1f5f9;--primary:#FF512F;--primary-glow:rgba(255,81,47,0.2);--secure:#059669;--secure-glow:rgba(5,150,105,0.1);--text:#0f172a;--text-dim:#475569;--border:rgba(15,23,42,0.2);--header-bg:rgba(248,250,252,0.85);--shadow:rgba(0,0,0,0.15)}html{scroll-behavior:smooth;overflow-x:hidden;max-width:100vw}*{margin:0;padding:0;box-sizing:border-box}img,video,embed,object,iframe{max-width:100%}section{overflow-x:hidden;max-width:100%}body{font-family:'Plus Jakarta Sans',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden;min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;box-sizing:border-box}header{padding:15px 0;position:fixed;width:100%;top:0;z-index:1000;background:var(--header-bg);backdrop-filter:blur(15px);border-bottom:1px solid var(--border)}nav{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.7rem;font-weight:800;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:8px;white-space:nowrap}.logo img{height:40px;width:auto}.logo-text{display:inline-flex;align-items:baseline;letter-spacing:-0.05em}.logo-text span{display:inline}.highlight{color:var(--primary)}.nav-links{display:flex;gap:30px;align-items:center;list-style:none}.nav-links a{color:var(--text-dim);text-decoration:none;font-weight:600;font-size:0.95rem}.nav-links a:hover{color:var(--primary)}.lang-switch a{padding:5px 10px;border-radius:5px;font-weight:700;text-decoration:none;color:var(--text-dim);transition:all 0.3s}.lang-switch a.active{background:var(--primary);color:white}.nav-icon-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--primary);color:white!important;box-shadow:0 4px 15px var(--primary-glow);transition:all 0.3s}.nav-icon-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--primary-glow)}.nav-icon{display:flex;align-items:center;justify-content:center;color:var(--text-dim)!important;transition:all 0.3s}.nav-icon:hover{color:var(--primary)!important}.nav-icon.logout:hover{color:#ef4444!important}.hamburger{display:none;flex-direction:column;justify-content:space-around;width:30px;height:25px;background:transparent;border:none;cursor:pointer;padding:0;z-index:1001}.hamburger span{width:100%;height:3px;background:var(--text);border-radius:10px;transition:all 0.3s linear;position:relative}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(8px,8px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}.btn{padding:16px 32px;border-radius:12px;font-weight:800;text-decoration:none;display:inline-block;cursor:pointer;border:none;font-size:1rem}.btn-primary{background:var(--primary);color:white;box-shadow:0 10px 25px var(--primary-glow)}.btn-outline{border:1px solid var(--border);color:var(--text);background:transparent}.theme-toggle{position:fixed;bottom:30px;right:30px;width:60px;height:60px;border-radius:50%;background:var(--primary);border:none;cursor:pointer;z-index:1000;display:flex;align-items:center;justify-content:center;color:white;max-width:60px;max-height:60px;box-shadow:0 10px 25px var(--primary-glow)}.theme-toggle:hover{transform:scale(1.1)}@media(max-width:968px){.hamburger{display:flex}.nav-links{position:fixed;top:0;right:-100%;width:70%;max-width:300px;height:100vh;background:var(--surface);flex-direction:column;justify-content:flex-start;padding:100px 40px 40px;gap:25px;box-shadow:-10px 0 30px var(--shadow);transition:right 0.3s cubic-bezier(0.4,0,0.2,1)}.nav-links.active{right:0}}@media(max-width:640px){.theme-toggle{bottom:20px;right:20px;width:50px;height:50px}}.nav-dropdown{position:relative}.nav-dropdown-toggle{cursor:pointer;display:flex;align-items:center;gap:4px;color:var(--text-dim);text-decoration:none;font-weight:600;font-size:0.95rem}.nav-dropdown-toggle::after{content:'▾';font-size:0.7em;margin-left:2px}.nav-dropdown-toggle:hover{color:var(--primary)}.nav-dropdown-menu{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);background:var(--surface);border:1px solid var(--border);border-radius:12px;min-width:180px;padding:8px 0;box-shadow:0 10px 30px var(--shadow);z-index:1001}.nav-dropdown:hover .nav-dropdown-menu{display:block}.nav-dropdown-menu a{display:block;padding:10px 20px;color:var(--text-dim);font-size:0.9rem;font-weight:600;text-decoration:none;white-space:nowrap}.nav-dropdown-menu a:hover{color:var(--primary);background:var(--surface-hover)}@media(max-width:968px){.nav-dropdown-menu{position:static;transform:none;display:block;box-shadow:none;border:none;border-radius:0;min-width:auto;padding:0;background:transparent}.nav-dropdown-toggle::after{display:none}.nav-dropdown-menu a{padding:12px 0;font-size:1.1rem;border-bottom:1px solid var(--border)}}