:root{--light-bg: #f9f9f9;--light-text: #222;--dark-bg: #121212;--dark-text: #f1f1f1;--primary: #007bff;--secondary: #6c757d;--accent: #00d4ff;--radius: 12px;--shadow: 0 8px 20px rgba(0, 0, 0, .1)}.light{background-color:var(--light-bg);color:var(--light-text)}.dark{background-color:var(--dark-bg);color:var(--dark-text)}*{transition:all .3s ease;box-sizing:border-box}.modern-app{font-family:Segoe UI,sans-serif;min-height:100vh;display:flex;flex-direction:column;margin:-8px}.modern-header{text-align:center;padding:2rem;background:linear-gradient(to right,#0f2027,#203a43,#2c5364);color:#fff;position:relative}.mode-toggle{position:absolute;top:1rem;right:1rem}.back-button{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:var(--radius);font-size:.95rem;font-weight:500;cursor:pointer;margin-bottom:1.5rem;transition:all .2s ease;background-color:transparent;color:var(--text-primary);border:1px solid var(--border-color);box-shadow:none}.back-button:hover{background-color:var(--hover-bg);transform:translate(-2px)}@media (prefers-color-scheme: dark){.back-button{border-color:var(--border-color-dark)}}[data-theme=dark] .back-button{border-color:var(--border-color-dark)}.mode-toggle button{background:transparent;border:none;color:#fff;font-size:1rem;cursor:pointer}.intro-section{position:relative;width:100vw;height:100vh;min-height:300px;overflow:hidden;display:flex;align-items:center;justify-content:center;color:#fff;isolation:isolate}.intro-image{position:absolute;width:100%;height:100%;object-fit:cover;z-index:-1;animation:scaleIn 1.8s cubic-bezier(.22,1,.36,1) forwards}@keyframes scaleIn{0%{transform:scale(1.2);opacity:0}to{transform:scale(1);opacity:1}}.intro-section:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to bottom,#000000b3,#0000004d,#000000b3);z-index:-1}.intro-content{max-width:1200px;padding:2rem;text-align:center;opacity:0;animation:fadeInUp 1s cubic-bezier(.22,1,.36,1) .5s forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.intro-content h1{font-size:clamp(1rem,6vw,4rem);font-weight:700;line-height:1.1;margin-bottom:2rem;margin-top:-180px;text-shadow:0 2px 10px rgba(0,0,0,.3);animation:fadeIn .8s ease-out .8s both}.intro-content p{font-size:clamp(1rem,2vw,1.5rem);max-width:700px;margin:0 auto 2.5rem;opacity:.9;text-shadow:0 1px 5px rgba(0,0,0,.3);animation:fadeIn .8s ease-out 1s both}.intro-content button{position:relative;padding:1rem 2.5rem;font-size:1.1rem;font-weight:500;background:transparent;color:#fff;border:2px solid rgba(255,255,255,.3);border-radius:50px;cursor:pointer;overflow:hidden;transition:all .5s ease;animation:fadeIn .8s ease-out 1.2s both}.intro-content button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:.5s}.intro-content button:hover{border-color:#fff;transform:translateY(-3px);box-shadow:0 10px 30px #0003}.intro-content button:hover:before{left:100%}.scroll-indicator{position:absolute;bottom:30px;left:50%;transform:translate(-50%);animation:bounce 2s infinite}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0) translate(-50%)}40%{transform:translateY(-20px) translate(-50%)}60%{transform:translateY(-10px) translate(-50%)}}.modern-main{display:flex;flex-wrap:wrap;padding:2rem;gap:2rem}.form-section{flex:1 1 400px}.car-display{flex:1 1 300px;display:flex;align-items:center;justify-content:center}.styled-form{background-color:#ffffff0d;padding:2rem;border-radius:var(--radius);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.form-row{margin-bottom:1.5rem}.form-row label{display:block;margin-bottom:.5rem;font-weight:700}.styled-form input,.styled-form select{width:100%;padding:.7rem;border-radius:var(--radius);border:1px solid #ccc;background-color:#fff;color:#000}.dark .styled-form input,.dark .styled-form select{background-color:#1e1e1e;color:#fff;border:1px solid #444}.form-buttons{display:flex;justify-content:space-between}.form-buttons button{padding:.6rem 1.2rem;border:none;border-radius:var(--radius);cursor:pointer;font-weight:700}.form-buttons button[type=submit]{background-color:var(--primary);color:#fff}.form-buttons button[type=button]{background-color:var(--secondary);color:#fff}.result-box{margin-top:2rem;padding:1.5rem;background-color:#0080001a;border-left:5px solid green;border-radius:var(--radius)}.result-box h2{margin-bottom:1rem}.error-msg{margin-top:1rem;color:red;font-weight:700}.car-container{text-align:center}.car-image{max-width:100%;border-radius:var(--radius);object-fit:cover;z-index:-1;animation:scaleIn 1.8s cubic-bezier(.22,1,.36,1) forwards}.car-description{margin-top:1rem}.modern-footer{margin-top:auto;text-align:center;padding:1rem;background:linear-gradient(to right,#0f2027,#203a43,#2c5364);color:#fff}.modern-footer a{color:#f8f8f8;text-decoration:underline}.fade-in{animation:fadeIn 1s ease-in}.slide-in{animation:slideIn 1s ease-out}.pop-in{animation:popIn .5s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes popIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}@media (max-width: 768px){.modern-main{flex-direction:column-reverse}.web{font-size:7px}.result-box h2{font-size:18px}}.pdf-download{margin-top:2rem;text-align:center}.pdf-button{display:inline-flex;align-items:center;padding:.8rem 2rem;background:linear-gradient(135deg,#6e48aa,#9d50bb);color:#fff;border:none;border-radius:50px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #0000001a;text-decoration:none}.pdf-button:hover{transform:translateY(-2px);box-shadow:0 8px 25px #0003;background:linear-gradient(135deg,#9d50bb,#6e48aa)}.pdf-button svg{margin-right:8px}