:root{--color-primary: #D4AF37;--color-primary-hover: #B5952F;--color-secondary: #003366;--color-secondary-hover: #002244;--color-accent: #2E8B57;--bg-body: #F3F4F6;--bg-card: #FFFFFF;--bg-input: #FFFFFF;--text-main: #111827;--text-muted: #4B5563;--border-color: #E5E7EB;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--font-heading: "Outfit", sans-serif;--font-body: "Inter", sans-serif;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--spacing-xl: 6rem;--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-body: #0F172A;--bg-card: #1E293B;--bg-input: #334155;--text-main: #F8FAFC;--text-muted: #94A3B8;--border-color: #334155;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body);background-color:var(--bg-body);color:var(--text-main);line-height:1.6;transition:background-color var(--transition-normal),color var(--transition-normal);overflow-x:hidden;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2;margin-bottom:var(--spacing-sm);color:var(--text-main)}a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}ul{list-style:none}button{cursor:pointer;font-family:inherit;border:none;background:none}img{max-width:100%;display:block}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.875rem 2rem;border-radius:9999px;font-weight:600;text-align:center;transition:all var(--transition-fast);text-transform:uppercase;font-size:.875rem;letter-spacing:.05em;box-shadow:var(--shadow-md)}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,#E5C558 100%);color:#fff;border:1px solid rgba(255,255,255,.2)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 20px #d4af374d;filter:brightness(1.1)}.btn-secondary{background-color:var(--color-secondary);color:#fff}.btn-secondary:hover{transform:translateY(-2px);background-color:var(--color-secondary-hover);box-shadow:0 10px 20px #0033664d}.navbar{background-color:#ffffffe6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);padding:1rem 0;position:sticky;top:0;z-index:1000;transition:background-color var(--transition-normal),border-color var(--transition-normal)}[data-theme=dark] .navbar{background-color:#0f172ae6}.navbar .container{display:flex;justify-content:space-between;align-items:center}.logo h2{margin:0;font-size:1.5rem;background:linear-gradient(to right,var(--color-primary),#F4D03F);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;gap:2rem}.nav-link{font-weight:500;color:var(--text-muted);position:relative;padding:.5rem 0}.nav-link:after{content:"";position:absolute;width:0;height:2px;bottom:0;left:0;background-color:var(--color-primary);transition:width var(--transition-fast)}.nav-link:hover:after,.nav-link.active:after{width:100%}.nav-link:hover,.nav-link.active{color:var(--color-primary)}.nav-actions{display:flex;gap:1rem;align-items:center}#lang-select{padding:.5rem 1rem;border-radius:8px;border:1px solid var(--border-color);background-color:var(--bg-card);color:var(--text-main);cursor:pointer;font-family:var(--font-body);font-weight:500;outline:none;transition:border-color var(--transition-fast)}#lang-select:hover{border-color:var(--color-primary)}#theme-toggle{padding:.5rem;border-radius:50%;transition:background-color var(--transition-fast)}#theme-toggle:hover{background-color:var(--border-color)}.hero-section{position:relative;padding:var(--spacing-xl) 0;text-align:center;background:radial-gradient(circle at top right,rgba(212,175,55,.15),transparent 40%),radial-gradient(circle at bottom left,rgba(0,51,102,.1),transparent 40%);overflow:hidden}.hero-section h1{font-size:clamp(2.5rem,5vw,4rem);margin-bottom:1.5rem;background:linear-gradient(to right,var(--text-main),var(--text-muted));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.card,.product-card{background:var(--bg-card);padding:2rem;border-radius:16px;border:1px solid var(--border-color);box-shadow:var(--shadow-sm);transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-normal);display:flex;flex-direction:column;height:100%}.card:hover,.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--color-primary)}.product-card img{width:100%;height:220px;object-fit:cover;border-radius:12px;margin-bottom:1.5rem;background-color:var(--bg-body)}input,textarea,select{width:100%;padding:1rem;border:1px solid var(--border-color);border-radius:8px;background-color:var(--bg-input);color:var(--text-main);font-family:var(--font-body);font-size:1rem;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #d4af3733}.step{display:flex;flex-direction:column;align-items:center;gap:1rem;width:160px;position:relative}.step-num{width:70px;height:70px;background:#ffffff1a;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:2px solid rgba(255,255,255,.5);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.75rem;font-weight:700;color:#fff;box-shadow:0 4px 10px #0000001a;transition:transform var(--transition-fast)}.step:hover .step-num{transform:scale(1.1);background:#fff3;border-color:#fff}.mobile-menu-btn{display:none;font-size:1.5rem;color:var(--text-main);padding:.5rem}@media(max-width:768px){.nav-links{display:none;position:absolute;top:100%;left:0;width:100%;background-color:var(--bg-card);flex-direction:column;padding:2rem;border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-lg);gap:1.5rem;animation:slideDown .3s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.nav-links.open{display:flex}.mobile-menu-btn{display:block}.hero-section{padding:3rem 1rem}h1{font-size:2.5rem}}footer{border-top:1px solid var(--border-color)}.notification-container{position:fixed;bottom:2rem;right:2rem;z-index:9999;display:flex;flex-direction:column;gap:1rem;pointer-events:none}.notification{background:var(--bg-card);color:var(--text-main);padding:1rem 1.5rem;border-radius:8px;box-shadow:var(--shadow-lg);border-left:4px solid var(--color-primary);display:flex;align-items:center;gap:.75rem;min-width:300px;transform:translate(120%);transition:transform var(--transition-normal);pointer-events:auto;font-weight:500}.notification.show{transform:translate(0)}.notification.success{border-left-color:var(--color-accent)}.notification.error{border-left-color:#ef4444}.trade-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:3rem;align-items:start}@media(max-width:992px){.trade-grid{grid-template-columns:1fr;gap:2rem}}.trade-options-list{list-style:none;padding:0}.trade-options-list li{display:flex;align-items:center;gap:1rem;padding:1rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;margin-bottom:1rem;font-weight:500;transition:all var(--transition-fast)}.trade-options-list li:before{content:"✓";display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:var(--color-primary);color:#fff;border-radius:50%;font-size:.75rem}.trade-options-list li:hover{border-color:var(--color-primary);transform:translate(5px)}.trade-toggle-container{display:flex;background:var(--bg-body);padding:.4rem;border-radius:12px;border:1px solid var(--border-color);margin-bottom:1rem}.trade-toggle-item{flex:1;position:relative}.trade-toggle-item input[type=radio]{position:absolute;opacity:0;width:0;height:0}.trade-toggle-label{display:flex;align-items:center;justify-content:center;padding:.8rem;border-radius:8px;cursor:pointer;font-weight:600;transition:all var(--transition-normal);color:var(--text-muted)}.trade-toggle-item input[type=radio]:checked+.trade-toggle-label{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-md)}.trade-form-card{background:var(--bg-card);padding:2.5rem;border-radius:20px;border:1px solid var(--border-color);box-shadow:var(--shadow-lg)}@media(max-width:640px){.trade-form-card{padding:1.5rem}}section{scroll-margin-top:80px}