:root{--primary-color:#6d28d9;--primary-light:#8b5cf6;--primary-dark:#5b21b6;--accent-color:#2563eb;--accent-light:#3b82f6;--accent-dark:#1d4ed8;--tertiary-color:#f59e0b;--tertiary-light:#fbbf24;--tertiary-dark:#d97706;--background:#f8fafc;--secondary-bg:#f3f4ff;--card-bg:#ffffff;--text-primary:#1e293b;--text-secondary:#64748b;--border-color:#e2e8f0;--success-color:#10b981;--warning-color:#f59e0b;--error-color:#ef4444;--info-color:#3b82f6;--shadow-sm:0 1px 2px 0 rgba(109, 40, 217, 0.05);--shadow-md:0 4px 6px -1px rgba(109, 40, 217, 0.1),0 2px 4px -2px rgba(109, 40, 217, 0.1);--shadow-lg:0 10px 15px -3px rgba(109, 40, 217, 0.1),0 4px 6px -4px rgba(109, 40, 217, 0.1);--gradient-primary:linear-gradient(to right, #6d28d9, #8b5cf6);--gradient-accent:linear-gradient(to right, #2563eb, #3b82f6);--gradient-tertiary:linear-gradient(to right, #d97706, #fbbf24);--gradient-hybrid:linear-gradient(135deg, #6d28d9, #2563eb, #3b82f6);--gradient-secondary:linear-gradient(to right, #f3f4ff, #ede9fe);--city-gradient-1:linear-gradient(135deg, var(--primary-light), var(--primary-color));--city-gradient-2:linear-gradient(135deg, var(--accent-light), var(--accent-color));--city-gradient-3:linear-gradient(135deg, var(--tertiary-light), var(--tertiary-color))}.dark-theme{--primary-color:#a78bfa;--primary-light:#c4b5fd;--primary-dark:#8b5cf6;--accent-color:#60a5fa;--accent-light:#93c5fd;--accent-dark:#3b82f6;--tertiary-color:#fbbf24;--tertiary-light:#fcd34d;--tertiary-dark:#f59e0b;--background:#1e293b;--secondary-bg:#0f172a;--card-bg:#293548;--text-primary:#e2e8f0;--text-secondary:#94a3b8;--border-color:#3e4c6a;--warning-color:#fbbf24;--shadow-sm:0 1px 2px 0 rgba(0, 0, 0, 0.25);--shadow-md:0 4px 6px -1px rgba(0, 0, 0, 0.3),0 2px 4px -2px rgba(0, 0, 0, 0.3);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.3),0 4px 6px -4px rgba(0, 0, 0, 0.3);--gradient-primary:linear-gradient(to right, #8b5cf6, #a78bfa);--gradient-accent:linear-gradient(to right, #3b82f6, #60a5fa);--gradient-tertiary:linear-gradient(to right, #f59e0b, #fbbf24);--gradient-hybrid:linear-gradient(135deg, #8b5cf6, #3b82f6, #60a5fa);--gradient-secondary:linear-gradient(to right, #293548, #334155);--city-gradient-1:linear-gradient(135deg, #8b5cf6, #4c1d95);--city-gradient-2:linear-gradient(135deg, #60a5fa, #1d4ed8);--city-gradient-3:linear-gradient(135deg, #fbbf24, #b45309)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;background-color:var(--background);color:var(--text-primary);line-height:1.6;min-height:100vh;transition:background-color .3s ease,color .3s ease;font-size:1.1rem}header{background-color:var(--card-bg);box-shadow:var(--shadow-md);position:fixed;top:0;left:0;width:100%;z-index:50;transition:all .4s ease;height:auto}.nav-container{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center;height:70px}.logo{font-size:1.6rem;font-weight:800;color:var(--accent-color);text-decoration:none;display:flex;align-items:center;transition:all .3s ease;background:var(--gradient-hybrid);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-right:2rem}.logo:hover{transform:translateY(-2px)}.logo i{margin-right:.75rem;font-size:1.8rem;color:var(--accent-color);background:var(--gradient-hybrid);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;align-items:center;height:100%}.nav-menu{display:flex;list-style:none;gap:2.5rem;align-items:center;height:100%;margin:0;padding:0}.nav-menu li{display:flex;align-items:center;height:100%;position:relative}.nav-menu a{color:var(--text-secondary);text-decoration:none;font-weight:600;transition:all .3s ease;font-size:1rem;padding:.5rem 0;position:relative}.nav-menu a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gradient-hybrid);transition:width .3s ease}.nav-menu a:hover{color:var(--primary-color)}.nav-menu a:hover::after{width:100%}.nav-menu a.active{color:var(--primary-color);font-weight:700}.nav-menu a.active::after{width:100%}.theme-toggle{background:var(--card-bg);border:2px solid var(--primary-light);color:var(--text-primary);font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;transition:all .3s ease;position:relative;margin-left:1rem}.theme-toggle:hover{background:var(--primary-light);color:#fff;transform:scale(1.1);box-shadow:var(--shadow-md)}.dark-theme .theme-toggle{border-color:var(--primary-color);background:var(--secondary-bg)}.dark-theme .theme-toggle:hover{background:var(--primary-color);color:#fff}.mobile-menu-btn{display:none;background:0 0;border:none;font-size:1.5rem;color:var(--text-primary);cursor:pointer;padding:.5rem;border-radius:.5rem;transition:all .3s ease}.mobile-menu-btn:hover{background:var(--secondary-bg);color:var(--primary-color)}.mobile-menu-btn.active{color:var(--primary-color);background:var(--secondary-bg)}main{padding-top:70px;min-height:calc(100vh - 70px);display:flex;flex-direction:column}.section{padding:5rem 0;position:relative;overflow:hidden}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;margin-bottom:1rem;color:var(--text-primary)}h1{font-size:3.5rem;font-weight:800;margin-bottom:1.5rem;background:var(--gradient-hybrid);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-align:center;line-height:1.2}h2{font-size:2.5rem;margin-bottom:1.5rem;position:relative}h2::after{content:'';position:absolute;bottom:-.5rem;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--gradient-hybrid);border-radius:2px}h3{font-size:1.8rem;margin-bottom:1rem;color:var(--primary-color)}.section-title{text-align:center;margin-bottom:3rem;position:relative}.section-title::after{content:'';position:absolute;bottom:-1rem;left:50%;transform:translateX(-50%);width:80px;height:3px;background:var(--gradient-hybrid);border-radius:2px}.section-title i{font-size:3rem;color:var(--primary-color);margin-bottom:1rem;display:block}.section-subtitle{font-size:1.2rem;color:var(--text-secondary);text-align:center;margin-bottom:2rem}.hero-section{background:linear-gradient(135deg,rgba(109,40,217,.05) 0,rgba(37,99,235,.08) 50%,rgba(245,158,11,.05) 100%);padding:6rem 0 4rem;position:relative;overflow:hidden}.hero-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 30% 20%,rgba(109,40,217,.1) 0,transparent 50%),radial-gradient(circle at 70% 80%,rgba(37,99,235,.1) 0,transparent 50%);pointer-events:none}.hero-section::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(109,40,217,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');pointer-events:none}.hero-content{max-width:1200px;margin:0 auto;padding:0 2rem;position:relative;z-index:2}.hero-subtitle{font-size:1.3rem;color:var(--text-secondary);text-align:center;margin-bottom:2.5rem;position:relative}.hero-subtitle::after{content:'';position:absolute;bottom:-1rem;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--gradient-hybrid);border-radius:2px}.hero-actions{display:flex;justify-content:center;gap:1rem}.hero-image{text-align:center;margin-top:3rem}.hero-image:hover{transform:scale(1.02)}.time-illustration{max-width:100%;height:auto;border-radius:1rem;box-shadow:var(--shadow-lg);transition:all .3s ease;opacity:0;transform:translateY(20px)}.time-illustration.loaded{opacity:1;transform:translateY(0)}.time-illustration:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(109,40,217,.2)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.875rem 1.75rem;border:none;border-radius:.75rem;font-weight:600;text-decoration:none;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden;font-size:1rem}.btn-large{padding:1rem 2rem;font-size:1.1rem}.btn i{font-size:1.1rem}.btn:hover i{transform:translateX(2px)}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-primary:hover::before{left:100%}.btn-outline{background:0 0;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-outline:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--secondary-bg);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--primary-color);color:#fff;border-color:var(--primary-color);transform:translateY(-2px)}.converter-container{max-width:900px;margin:0 auto;background:var(--card-bg);border-radius:1.5rem;box-shadow:var(--shadow-lg);overflow:hidden;position:relative;z-index:10;border:1px solid var(--border-color)}.converter-container::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:var(--gradient-secondary);opacity:.5;pointer-events:none}.converter-container:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(109,40,217,.15)}.converter-tabs{display:flex;background-color:var(--secondary-bg);padding:.5rem;border-radius:.75rem;margin:1.25rem;box-shadow:inset 0 1px 4px rgba(0,0,0,.05);gap:.25rem}.converter-tab{flex:1;padding:.85rem 1rem;text-align:center;cursor:pointer;border-radius:.5rem;font-weight:600;font-size:1.15rem;transition:all .3s ease;background:0 0;border:none;color:var(--text-secondary);position:relative;overflow:hidden;z-index:1;display:flex;align-items:center;justify-content:center;gap:.5rem}.converter-tab:hover{color:var(--accent-color);background-color:rgba(37,99,235,.1)}.converter-tab.active{color:var(--primary-color);background-color:var(--card-bg);box-shadow:var(--shadow-md);font-weight:700;font-size:1.2rem}.converter-tab-content{display:none;padding:2rem}.converter-tab-content.active{display:block;animation:slideIn .3s ease}@keyframes slideIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.converter-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:2rem;align-items:end}.converter-column{display:flex;flex-direction:column}.form-group{margin-bottom:1.5rem}label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--text-primary);font-size:.95rem}input[type=time],select{width:100%;padding:.875rem 1rem;border:2px solid var(--border-color);border-radius:.75rem;background:var(--card-bg);color:var(--text-primary);font-size:1rem;transition:all .3s ease}input[type=time]:focus,select:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(109,40,217,.1)}.select-wrapper{position:relative}.select-wrapper i{position:absolute;right:1rem;top:50%;transform:translateY(-50%);color:var(--text-secondary);pointer-events:none}select{appearance:none;background-image:none}.result-container{background:linear-gradient(135deg,rgba(109,40,217,.05) 0,rgba(37,99,235,.08) 100%);border-radius:1rem;padding:2rem;margin-top:2rem;border:1px solid var(--border-color);position:relative;overflow:hidden}.result-container::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:var(--gradient-secondary);opacity:.3;pointer-events:none}.result-container:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}#result{text-align:center;font-size:1.5rem;font-weight:700;color:var(--primary-color);opacity:0;transform:translateY(20px);transition:all .4s ease}#result.show{opacity:1;transform:translateY(0);animation:fadeInUp .5s ease}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}#result div{margin-bottom:.5rem}.result-actions{display:flex;justify-content:center;gap:1rem;margin-top:1.5rem}.world-clocks-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:2rem}.world-clock{background:var(--card-bg);border-radius:1.5rem;padding:2rem 1.5rem;text-align:center;border:1px solid var(--border-color);transition:all .3s ease;position:relative;overflow:hidden;box-shadow:0 8px 32px rgba(0,0,0,.08);min-height:280px;display:flex;flex-direction:column;justify-content:space-between}.world-clock:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.12)}.dark-theme .world-clock{background:var(--card-bg);border-color:var(--border-color);box-shadow:0 8px 32px rgba(0,0,0,.2)}.dark-theme .world-clock:hover{box-shadow:0 12px 40px rgba(0,0,0,.3)}.world-clock-close{position:absolute;top:1rem;right:1rem;width:2.25rem;height:2.25rem;border-radius:50%;background:rgba(248,113,113,.15);border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;color:#f87171;font-size:.9rem;opacity:.9;z-index:100;box-shadow:0 2px 8px rgba(248,113,113,.2)}.world-clock-close:hover{background:#f87171;color:#fff;opacity:1;transform:scale(1.05);box-shadow:0 4px 12px rgba(248,113,113,.3)}.dark-theme .world-clock-close{background:rgba(248,113,113,.2);color:#fca5a5;box-shadow:0 2px 8px rgba(248,113,113,.25)}.dark-theme .world-clock-close:hover{background:#dc2626;color:#fff;box-shadow:0 4px 12px rgba(220,38,38,.4)}.world-clock .city-icon-container{width:4.5rem;height:4.5rem;margin:0 auto 1.5rem auto;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.12);transition:all .3s ease;position:relative;font-size:1.8rem;color:#fff;background:linear-gradient(135deg,#3b82f6,#8b5cf6,#f59e0b)}.world-clock:hover .city-icon-container{transform:scale(1.05);box-shadow:0 12px 32px rgba(0,0,0,.18)}.world-clock-city{font-size:1.5rem;font-weight:700;color:var(--primary-color);margin-bottom:1rem;line-height:1.2}.dark-theme .world-clock-city{color:var(--primary-light)}.world-clock-time{font-size:2.5rem;font-weight:800;color:var(--text-primary);margin-bottom:.5rem;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}.world-clock-date{font-size:1rem;color:var(--text-secondary);margin-bottom:1.25rem;font-weight:500}.world-clock-info{display:inline-flex;align-items:center;padding:.5rem 1rem;background:rgba(124,58,237,.1);color:var(--primary-color);border-radius:1.25rem;font-size:.9rem;font-weight:600;letter-spacing:.025em;margin-top:auto}.dark-theme .world-clock-info{background:rgba(167,139,250,.15);color:var(--primary-light)}.world-clocks-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-bottom:2rem}.world-clock .city-icon-container[data-region=america]{background:linear-gradient(135deg,#10b981,#34d399)}.world-clock .city-icon-container[data-region=europe]{background:linear-gradient(135deg,#3b82f6,#60a5fa)}.world-clock .city-icon-container[data-region=asia]{background:linear-gradient(135deg,#f59e0b,#fbbf24)}.world-clock .city-icon-container[data-region=australia]{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}.world-clock .city-icon-container[data-region=africa]{background:linear-gradient(135deg,#ef4444,#f87171)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:3rem}.feature-card{background:var(--card-bg);border-radius:1rem;padding:2rem;text-align:center;border:1px solid var(--border-color);transition:all .3s ease;position:relative;overflow:hidden}.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:var(--gradient-secondary);opacity:0;transition:opacity .3s ease}.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.feature-card:hover::before{opacity:.5}.feature-icon{font-size:3rem;color:var(--primary-color);margin-bottom:1rem;display:block}.feature-card:hover .feature-icon{transform:scale(1.1)}.feature-title{font-size:1.3rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem}footer{background:linear-gradient(135deg,var(--secondary-bg) 0,var(--background) 100%);padding:3rem 0 1rem;margin-top:auto;border-top:1px solid var(--border-color);position:relative}footer::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 80%,rgba(109,40,217,.05) 0,transparent 50%),radial-gradient(circle at 80% 20%,rgba(37,99,235,.05) 0,transparent 50%);pointer-events:none}.footer-container{max-width:1200px;margin:0 auto;padding:0 2rem;position:relative;z-index:2}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-section{margin-bottom:1.5rem}.footer-section h3{font-size:1.2rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem;position:relative}.footer-section h3::after{content:'';position:absolute;bottom:-.5rem;left:0;width:30px;height:2px;background:var(--gradient-hybrid);border-radius:1px}.footer-section ul{list-style:none}.footer-section li{margin-bottom:.5rem}.footer-section a{color:var(--text-secondary);text-decoration:none;transition:all .3s ease;position:relative}.footer-section a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:1px;background:var(--primary-color);transition:width .3s ease}.footer-section a:hover{color:var(--primary-color)}.footer-section a:hover::after{width:100%}.social-links{display:flex;gap:1rem;margin-top:1rem}.social-links a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--secondary-bg);border-radius:50%;color:var(--text-secondary);transition:all .3s ease}.social-links a:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px)}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid var(--border-color)}.footer-bottom p{color:var(--text-secondary);font-size:.9rem}.hidden{display:none!important}.text-center{text-align:center}.violet-icon{color:var(--primary-color)}.social-links a:hover .violet-icon{color:#fff}.kit-partner-banner{position:relative;border-radius:1.25rem;margin:2rem auto 3rem;overflow:hidden;background:var(--card-bg);box-shadow:var(--shadow-lg);transition:all .3s ease;max-width:900px;border:1px solid rgba(139,92,246,.1);cursor:pointer}.kit-partner-banner:hover{transform:translateY(-5px);box-shadow:0 15px 30px rgba(139,92,246,.15)}.kit-banner-background{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(124,58,237,.05),rgba(59,130,246,.08));z-index:1;opacity:.8}.dark-theme .kit-banner-background{background:linear-gradient(135deg,rgba(124,58,237,.15),rgba(59,130,246,.1))}.kit-content-wrapper{position:relative;z-index:2;display:flex;padding:1.5rem;align-items:center;gap:1.5rem}.kit-icon-container{flex-shrink:0}.kit-icon-circle{width:70px;height:70px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 15px rgba(124,58,237,.2);position:relative;overflow:hidden}.kit-icon-circle::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(135deg,rgba(255,255,255,.2),transparent);transform:rotate(45deg);animation:shimmer 3s infinite}@keyframes shimmer{0%{transform:translateX(-50%) rotate(45deg)}100%{transform:translateX(100%) rotate(45deg)}}.kit-icon-circle 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