:root{--primary: #06b6d4;--primary-dark: #0891b2;--primary-light: #ecfeff;--accent: #f59e0b;--bg: #ffffff;--bg-alt: #f8fafc;--text: #0f172a;--text-muted: #64748b;--card-bg: #ffffff;--border: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--radius: 12px;--radius-lg: 24px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-weight:800;letter-spacing:-.025em;line-height:1.2}nav{position:fixed;top:0;width:100%;z-index:1000;background:#fffc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}nav.scrolled{padding:.75rem 2rem;box-shadow:var(--shadow)}.logo{display:flex;align-items:center;gap:.75rem;font-size:1.25rem;font-weight:800;color:var(--text);text-decoration:none;transition:var(--transition)}.logo i{color:var(--primary);width:32px;height:32px}.nav-links{display:flex;gap:2.5rem;list-style:none}.nav-links a{text-decoration:none;color:var(--text-muted);font-weight:600;font-size:.95rem;transition:var(--transition)}.nav-links a:hover{color:var(--primary)}.auth-btn{background-color:var(--text);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:50px;font-weight:700;font-size:.9rem;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:.5rem}.auth-btn:hover{background-color:var(--primary);transform:translateY(-2px);box-shadow:0 10px 15px -3px #06b6d466}.hero{padding:10rem 2rem 6rem;text-align:center;background:radial-gradient(circle at top right,var(--primary-light),transparent);min-height:80vh;display:flex;flex-direction:column;justify-content:center;align-items:center}.hero-content{max-width:900px;margin:0 auto}.hero h1{font-size:clamp(2.5rem,5vw,4.5rem);margin-bottom:1.5rem;color:var(--text)}.hero h1 span{color:var(--primary);position:relative}.hero p{font-size:clamp(1.1rem,2vw,1.25rem);color:var(--text-muted);margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.hero-badges{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap}.hero-badge{background:#fff;padding:.75rem 1.25rem;border-radius:100px;box-shadow:var(--shadow);display:flex;align-items:center;gap:.75rem;font-weight:700;font-size:.9rem;border:1px solid var(--border)}.hero-badge i{color:var(--primary)}.dashboard{padding:6rem 2rem;max-width:1280px;margin:0 auto;display:none}.dashboard.visible{display:block;animation:slideUp .6s ease-out forwards}@keyframes slideUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.dashboard-header{margin-bottom:4rem}.dashboard-header h2{font-size:2.5rem;margin-bottom:1rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-bottom:4rem}.stat-card{background:var(--card-bg);padding:2rem;border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);transition:var(--transition);position:relative;overflow:hidden}.stat-card:hover{transform:translateY(-5px);border-color:var(--primary)}.stat-card:after{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--primary)}.stat-card h3{font-size:.85rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.75rem}.stat-card .value{font-size:2.5rem;font-weight:800;color:var(--text)}.controls{display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem;gap:2rem;background:var(--bg-alt);padding:1.5rem;border-radius:var(--radius-lg);border:1px solid var(--border)}.search-bar{position:relative;flex:1}.search-bar input{width:100%;padding:1rem 1rem 1rem 3rem;border-radius:var(--radius);border:1px solid var(--border);background:#fff;font-size:1rem;transition:var(--transition)}.search-bar input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light)}.search-bar i{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-muted)}.filter-group select{padding:1rem 2rem 1rem 1rem;border-radius:var(--radius);border:1px solid var(--border);background:#fff;font-weight:600;cursor:pointer;transition:var(--transition)}.subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2.5rem}.subject-card{background:var(--card-bg);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--transition);display:flex;flex-direction:column}.subject-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--primary)}.card-header{padding:2rem;display:flex;align-items:center;gap:1.25rem;border-bottom:1px solid var(--border)}.icon-box{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 8px 16px -4px #0000001a}.card-body{padding:2rem}.card-body h2{font-size:1.5rem;margin-bottom:.75rem}.card-body p{color:var(--text-muted);font-size:.95rem;margin-bottom:2rem}.test-item{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-bottom:1px solid var(--bg-alt)}.test-item:last-child{border-bottom:none}.test-name{font-weight:600;display:flex;align-items:center;gap:.75rem}.upsc-badge{background:#fffbeb;color:#d97706;font-size:.7rem;padding:4px 8px;border-radius:6px;font-weight:800;display:flex;align-items:center;gap:4px;border:1px solid #fef3c7}.start-btn{background:var(--bg-alt);border:1px solid var(--border);color:var(--text);padding:.5rem 1rem;border-radius:8px;font-weight:700;font-size:.85rem;cursor:pointer;transition:var(--transition)}.start-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}footer{background:#020617;color:#fff;padding:6rem 2rem 2rem;margin-top:8rem}.footer-content{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:4rem;margin-bottom:4rem}.footer-brand .logo{color:#fff;margin-bottom:1.5rem}.footer-brand p{color:#94a3b8;max-width:300px}.footer-links h4{margin-bottom:1.5rem;font-size:1.1rem}.footer-links ul{list-style:none}.footer-links li{margin-bottom:1rem}.footer-links a{color:#94a3b8;text-decoration:none;transition:var(--transition);display:flex;align-items:center;gap:.75rem}.footer-links a:hover{color:var(--primary)}.footer-bottom{max-width:1280px;margin:0 auto;padding-top:2rem;border-top:1px solid #1e293b;text-align:center;color:#64748b;font-size:.9rem}@media(max-width:768px){nav{padding:1rem}.logo span{font-size:1.1rem}.nav-links{display:none}.hero{padding:8rem 1rem 4rem}.hero h1{font-size:2.2rem}.hero p{font-size:1rem}.hero-badges{gap:.75rem}.hero-badge{padding:.5rem 1rem;font-size:.8rem}.dashboard{padding:4rem 1rem}.dashboard-header h2{font-size:1.8rem}.stats-grid{grid-template-columns:1fr;gap:1rem}.stat-card{padding:1.5rem}.stat-card .value{font-size:2rem}.controls{padding:1rem;gap:1rem}.subject-grid{grid-template-columns:1fr;gap:1.5rem}.subject-card{border-radius:16px}.card-header,.card-body{padding:1.5rem}.footer-content{grid-template-columns:1fr;gap:2rem;text-align:center}.footer-brand p{margin:0 auto}.footer-links a{justify-content:center}}.reveal{opacity:0;transform:translateY(30px);transition:all .8s ease-out}.reveal.active{opacity:1;transform:translateY(0)}