:root{--primary-dark: #0b85e4;--primary-medium: #315ebf;--primary-light: #487bcd;--primary-lighter: #6fb6fd;--bg-primary: #1289e4;--bg-secondary: #6fb6fd;--bg-light: #dbeafe;--bg-lighter: #bfdbfe;--accent-blue: #0b85e4;--accent-blue-light: #6fb6fd;--accent-blue-dark: #0b85e4;--accent-green-light: #17d36f;--accent-green-dark: #04843F;--text-dark: #333;--text-gray: #666;--text-light-gray: #4a4a4a;--text-white: white;--border-light: #ddd;--border-focus: #3b82f6;--error-bg: #dc2626;--error-bg-dark: #b91c1c;--bg-white-95: rgba(255, 255, 255, .95);--bg-white-90: rgba(255, 255, 255, .9);--shadow-light: rgba(0, 0, 0, .1);--shadow-medium: rgba(0, 0, 0, .2);--shadow-dark: rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;line-height:1.6;color:var(--text-dark);overflow-x:hidden}.screen{min-height:100vh;position:relative}.hidden{display:none!important}#password-screen{background:linear-gradient(135deg,var(--bg-primary) 0%,var(--primary-light) 100%);display:flex;align-items:center;justify-content:center;position:fixed;top:0;left:0;width:100%;height:100%;z-index:1000}.password-container{background:var(--bg-white-95);padding:3rem;border-radius:20px;box-shadow:0 20px 40px #0000001a;text-align:center;max-width:400px;width:90%}.password-container h1{font-size:2.5rem;margin-bottom:1rem;color:var(--text-light-gray)}.password-container p{margin-bottom:2rem;color:var(--text-gray);font-size:1.1rem}#password-form{display:flex;flex-direction:column;gap:1rem}#password-input{padding:1rem;border:2px solid #ddd;border-radius:10px;font-size:1.1rem;transition:border-color .3s ease}#password-form input:focus{outline:none;border-color:var(--border-focus)}#password-form button{background:linear-gradient(135deg,var(--bg-primary) 0%,var(--primary-light) 100%);color:var(--text-white);padding:1rem;border:none;border-radius:10px;font-size:1.1rem;cursor:pointer;transition:transform .3s ease}#password-form button:hover{transform:translateY(-2px)}#main-site{position:relative;min-height:200vh}#train-canvas{position:fixed;top:0;left:0;width:100%;height:50vh;z-index:-1;pointer-events:none}#bg-video{position:fixed;top:0;left:0;width:100%;height:100vh;object-fit:cover;z-index:-2;opacity:.3}.content{position:relative;z-index:1;padding:2rem;background:#fffffff2;margin:100vh 0 2rem 0;border-radius:20px 20px 0 0;box-shadow:0 -10px 30px #0000001a}.welcome-section{text-align:center;padding:1rem 2rem;background:linear-gradient(135deg,var(--accent-green-light) 0%,var(--accent-green-dark) 100%);color:var(--text-white);border-radius:15px;margin-bottom:2rem}.welcome-section h1{font-size:2.5rem;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.welcome-section p{font-size:1.2rem;margin-bottom:1rem}.arrow-down{font-size:1.5rem;animation:bounce 2s infinite;cursor:pointer;color:var(--text-white)}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}header{text-align:center;padding:3rem 0;background:linear-gradient(135deg,var(--accent-blue) 0%,var(--accent-blue-light) 100%);border-radius:20px;margin-bottom:3rem;color:var(--text-white)}header h1{font-size:3rem;margin-bottom:1rem;text-shadow:2px 2px 4px var(--shadow-dark)}.tagline{font-size:1.3rem;opacity:.9}.party-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-bottom:3rem}.info-card{background:linear-gradient(135deg,var(--accent-blue-light) 0%,var(--accent-blue-dark) 100%);padding:2rem;border-radius:15px;text-align:center;color:var(--text-white);box-shadow:0 10px 30px var(--shadow-light);transition:transform .3s ease}.info-card:hover{transform:translateY(-5px)}.info-card h2{font-size:1.8rem;margin-bottom:1rem}.info-card p{font-size:1.1rem;line-height:1.8}.attendance-counter{text-align:center;margin-bottom:3rem;padding:2rem;background:linear-gradient(135deg,var(--accent-green-light) 0%,var(--accent-green-dark) 100%);border-radius:15px;color:var(--text-white)}.attendance-counter h2{font-size:2rem;margin-bottom:1rem}.guest-counter{display:flex;flex-direction:column;align-items:center;gap:.5rem}#guest-number{font-size:4rem;font-weight:700;text-shadow:2px 2px 4px var(--shadow-dark)}.train-controls{text-align:center;margin-bottom:2rem;padding:2rem;background:linear-gradient(135deg,var(--bg-light) 0%,var(--bg-lighter) 100%);border-radius:15px}.train-controls h2{font-size:2rem;margin-bottom:1.5rem;color:var(--text-dark)}.info-hint{margin-top:1.5rem;opacity:1}.info-hint p{font-size:.9rem;margin-bottom:.3rem;color:#fff}.speed-control{display:flex;align-items:center;justify-content:center;gap:1rem;background:#ffffff4d;padding:1.5rem;border-radius:15px;box-shadow:0 5px 15px var(--shadow-light);margin:0 auto;max-width:400px}.speed-control label{font-weight:700;color:var(--text-dark);min-width:100px}.speed-control input[type=range]{flex:1;margin:0 1rem;height:8px;background:linear-gradient(to right,rgb(210,210,240),var(--accent-blue-dark));border-radius:4px;outline:none;-webkit-appearance:none}.speed-control input[type=range]::-webkit-slider-thumb{appearance:none;width:20px;height:20px;background:#fff;border:3px solid var(--primary-light);border-radius:50%;cursor:pointer;box-shadow:0 2px 8px var(--shadow-medium)}.speed-control input[type=range]::-moz-range-thumb{width:20px;height:20px;background:#fff;border:3px solid var(--primary-light);border-radius:50%;cursor:pointer;box-shadow:0 2px 8px var(--shadow-medium)}#speed-value{font-weight:700;color:var(--bg-primary);min-width:50px;text-align:center;background:#1e3a8a1a;padding:.3rem .6rem;border-radius:8px}.rsvp-section{background:#f8f9fa;padding:3rem;border-radius:15px;margin-bottom:3rem}.rsvp-section h2{text-align:center;font-size:2.5rem;margin-bottom:2rem;color:var(--text-dark)}.rsvp-tabs{display:flex;justify-content:center;margin-bottom:2rem;gap:1rem}.tab-btn{padding:1rem 2rem;border:2px solid var(--primary-light);background:#fff;color:var(--bg-primary);border-radius:10px;cursor:pointer;font-size:1rem;transition:all .3s ease}.tab-btn.active,.tab-btn:hover{background:var(--primary-light);color:var(--text-white)}.rsvp-form{max-width:600px;margin:0 auto}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:700;color:var(--text-dark)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:1rem;border:2px solid var(--border-light);border-radius:10px;font-size:1rem;transition:border-color .3s ease}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--border-focus)}.rsvp-form button{background:linear-gradient(135deg,var(--bg-primary) 0%,var(--primary-light) 100%);color:var(--text-white);padding:1rem 2rem;border:none;border-radius:10px;font-size:1.1rem;cursor:pointer;width:100%;transition:transform .3s ease}.rsvp-form button:hover{transform:translateY(-2px)}#load-rsvp{width:auto;margin-left:1rem;padding:1rem 1.5rem}.success-message{background:linear-gradient(135deg,var(--accent-blue-light) 0%,var(--accent-blue-dark) 100%);color:var(--text-white);padding:2rem;border-radius:10px;text-align:center;margin-top:2rem}.success-message h3{font-size:1.5rem;margin-bottom:1rem}.error-message{background:linear-gradient(135deg,var(--error-bg) 0%,var(--error-bg-dark) 100%);color:var(--text-white);padding:1rem;border-radius:10px;margin-top:1rem;text-align:center}@media(max-width:768px){.content{padding:1rem;margin-top:40vh}header h1{font-size:2rem}.tagline{font-size:1.1rem}.party-info{grid-template-columns:1fr}.info-card h2{font-size:1.5rem}#guest-number{font-size:3rem}.rsvp-tabs{flex-direction:column;align-items:center}.tab-btn{width:200px}.speed-control{flex-direction:column;gap:.8rem;padding:1rem}.speed-control label{min-width:auto;font-size:.9rem}.speed-control input[type=range]{margin:0;width:100%}#speed-value{min-width:auto;align-self:center}}