:root{--primary-blue: #003366;--primary-dark: #001a33;--secondary-blue: #0055aa;--accent-blue: #00aaff;--white: #ffffff;--off-white: #f8fafc;--text-main: #1e293b;--text-muted: #64748b;--glass-bg: rgba(255, 255, 255, .85);--glass-border: rgba(255, 255, 255, .4);--glass-blur: blur(16px);--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-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-glow: 0 0 20px rgba(0, 85, 170, .3);--font-main: "Inter", system-ui, sans-serif;--font-display: "Outfit", sans-serif;--radius-xl: 24px;--radius-2xl: 32px}*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased}body{font-family:var(--font-main);background:radial-gradient(circle at 0% 0%,#001a33,#000c1a);color:var(--white);min-height:100vh;margin:0;display:grid;place-items:center;overflow-x:hidden}#root{width:100%;max-width:1200px;padding:2rem;display:flex;justify-content:center;align-items:center}.glass-card{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:var(--radius-2xl);border:1px solid var(--glass-border);box-shadow:var(--shadow-xl);color:var(--text-main);padding:4rem 3rem;width:100%;max-width:800px;text-align:center;position:relative;overflow:hidden;animation:cardEnter .8s cubic-bezier(.16,1,.3,1) forwards}@keyframes cardEnter{0%{opacity:0;transform:translateY(30px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.input-group{position:relative;margin-bottom:2rem;text-align:left}.input-field{width:100%;background:#00336608;border:1px solid rgba(0,51,102,.1);border-radius:16px;padding:1.25rem 1.5rem 1.25rem 3.5rem;font-size:1.125rem;font-family:var(--font-main);color:var(--primary-blue);transition:all .3s cubic-bezier(.4,0,.2,1);outline:none}.input-field:focus{background:var(--white);border-color:var(--secondary-blue);box-shadow:0 0 0 4px #0055aa1a,var(--shadow-md);transform:translateY(-1px)}.input-icon{position:absolute;left:1.25rem;top:50%;transform:translateY(-50%);color:var(--secondary-blue);opacity:.7}h1{font-family:var(--font-display);font-weight:800;font-size:3.5rem;letter-spacing:-.03em;color:var(--primary-blue);line-height:1.1;margin-bottom:.5rem}.tagline{font-size:1.25rem;color:var(--secondary-blue);font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1rem}.description{color:var(--text-muted);font-size:1.125rem;max-width:500px;margin:0 auto 2.5rem;line-height:1.6}.btn-primary{background:linear-gradient(135deg,var(--primary-blue),var(--secondary-blue));color:var(--white);font-family:var(--font-display);font-weight:700;font-size:1.25rem;padding:1.25rem 2.5rem;border-radius:20px;box-shadow:0 10px 20px -5px #0366;display:flex;align-items:center;justify-content:center;gap:.75rem;width:100%}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 15px 30px -5px #00336680;filter:brightness(1.1)}.btn-primary:active{transform:translateY(0)}.quiz-header{border-bottom:1px solid rgba(0,51,102,.05);padding-bottom:2rem;margin-bottom:2.5rem}.progress-container{height:8px;background:#0033660d;border-radius:4px;overflow:hidden;margin:1rem 0}.progress-bar{height:100%;background:linear-gradient(90deg,var(--secondary-blue),var(--accent-blue));border-radius:4px}.option-button{background:var(--white);border:1.5px solid rgba(0,51,102,.08);border-radius:20px;padding:1.5rem;text-align:left;font-size:1.125rem;font-weight:600;color:var(--text-main);transition:all .2s ease;width:100%;margin-bottom:1rem}.option-button:hover{background:var(--off-white);border-color:var(--secondary-blue);transform:scale(1.01);box-shadow:var(--shadow-sm)}.option-button:active{transform:scale(.99)}.timer{background:var(--primary-blue);color:var(--white);padding:.5rem 1.25rem;border-radius:12px;font-family:var(--font-display);font-weight:700;display:flex;align-items:center;gap:.5rem}.quiz-image-container{background:var(--white);padding:2rem;border-radius:var(--radius-xl);margin-bottom:2rem;display:flex;justify-content:center;align-items:center;border:1px solid rgba(0,51,102,.05);box-shadow:inset 0 2px 4px #00000005}.quiz-image{max-height:120px;width:auto;object-fit:contain;filter:drop-shadow(0 4px 8px rgba(0,0,0,.1))}.fade-up{opacity:0;transform:translateY(20px);animation:fadeUp .6s ease forwards}@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}@media (max-width: 640px){#root{padding:1rem}.glass-card{padding:2rem 1.25rem;width:95%;max-width:100%}h1{font-size:2.25rem}.description{font-size:1rem}.option-button{padding:1rem 1.25rem;font-size:1rem}.btn-primary{font-size:1.1rem;padding:1rem 1.5rem}.quiz-image{max-height:100px;max-width:100%}.quiz-image-container{padding:1.5rem}}