:root{--color-primary:#1e3a8a;--color-accent:#3b82f6;--color-success:#10b981;--color-bg:#a6b5e4;--color-muted:#f1f5f9;--color-secondary:#e0e7ff;--color-dark:#111827;--color-text:#374151;--color-heading:#1f2937;--font-base:"Inter","Segoe UI","Helvetica Neue",sans-serif;--radius:10px;--transition:0.25s ease-in-out;--shadow:0 6px 16px rgba(0,0,0,0.08)}*{margin:0;padding:0;box-sizing:border-box}body,html{font-family:var(--font-base);background-color:var(--color-bg);color:var(--color-text);scroll-behavior:smooth}a{color:var(--color-primary);text-decoration:none;transition:var(--transition)}a:hover{text-decoration:underline;color:var(--color-accent)}section{padding:60px 24px 80px}h1,h2,h3{color:var(--color-heading);margin-bottom:20px;letter-spacing:-.5px}button,input{font-family:inherit;border-radius:var(--radius);outline:none}input{width:100%;padding:14px 16px;border:1px solid #cbd5e1;background-color:white;color:var(--color-text);font-size:16px;transition:border-color var(--transition),background-color var(--transition),box-shadow var(--transition)}input:focus{border-color:var(--color-accent);background-color:#f0f9ff;box-shadow:0 0 0 2px rgba(59,130,246,.2)}button{background:var(--color-accent);color:white;padding:14px 24px;font-size:16px;border:none;border-radius:var(--radius);cursor:pointer;box-shadow:var(--shadow);transition:background-color var(--transition),transform var(--transition),box-shadow var(--transition)}button:hover{background-color:#60a5fa;transform:translateY(-1px);box-shadow:0 8px 24px rgba(59,130,246,.25)}button:disabled{background-color:#93c5fd;cursor:not-allowed;opacity:.6}select{width:100%;padding:14px 16px;border:1px solid #cbd5e1;background-color:white;color:var(--color-text);font-size:16px;border-radius:var(--radius);transition:border-color var(--transition),background-color var(--transition),box-shadow var(--transition);-webkit-appearance:none;-moz-appearance:none;appearance:none}select:focus{border-color:var(--color-accent);background-color:#f0f9ff;box-shadow:0 0 0 2px rgba(59,130,246,.2);outline:none}