:root{--font-sans: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;--color-bg: #030617;--color-bg-soft: #070f2b;--color-surface: rgba(15, 27, 61, .88);--color-surface-solid: #101c3d;--color-border: rgba(99, 123, 196, .35);--color-text: #f1f5ff;--color-text-muted: rgba(203, 213, 225, .75);--color-heading: #ffffff;--color-accent: #63a3ff;--color-accent-strong: #1e3a8a;--color-accent-soft: rgba(99, 163, 255, .12);--shadow-soft: 0 24px 50px rgba(10, 20, 50, .55);--radius-lg: 24px;--radius-md: 16px;--radius-sm: 12px;--transition-default: .2s ease}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:var(--font-sans);color:var(--color-text);background:radial-gradient(circle at top,rgba(99,163,255,.12),transparent 55%),radial-gradient(circle at left,rgba(30,58,138,.15),transparent 50%),radial-gradient(circle at right,rgba(59,130,246,.2),transparent 55%),var(--color-bg);background-attachment:fixed;letter-spacing:.01em}body{display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;color:var(--color-heading);letter-spacing:.02em}p,label,span,li{color:var(--color-text-muted)}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-default),opacity var(--transition-default)}a:hover{color:var(--color-accent-strong)}button{font-family:inherit}.surface-panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);padding:2rem;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.glass-card{background:linear-gradient(135deg,#142352e6,#16285ab3);border:1px solid rgba(99,163,255,.15);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);padding:1.75rem;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:transform var(--transition-default),box-shadow var(--transition-default)}.glass-card:hover{transform:translateY(-4px);box-shadow:0 30px 60px #0a122d66}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:999px;border:1px solid transparent;font-weight:600;font-size:.95rem;line-height:1;cursor:pointer;transition:transform var(--transition-default),box-shadow var(--transition-default),background var(--transition-default),border-color var(--transition-default);text-transform:uppercase;letter-spacing:.08em}.btn-primary{background:linear-gradient(135deg,var(--color-accent-strong),var(--color-accent));color:#fff;box-shadow:0 14px 30px #63a3ff59}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 40px #63a3ff73}.btn-ghost{background:#0a143280;color:var(--color-text);border-color:#63a3ff59}.btn-ghost:hover{transform:translateY(-2px);border-color:#1e3a8a99}.tag{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .75rem;border-radius:999px;background:#63a3ff2e;color:var(--color-accent);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase}.section-title{font-size:clamp(1.85rem,2vw,2.5rem);margin:0 0 1rem}.section-subtitle{font-size:1rem;color:var(--color-text-muted);max-width:680px;margin:0}input,textarea,select{background:#080d22cc;border:1px solid rgba(99,163,255,.2);border-radius:var(--radius-sm);color:var(--color-text);padding:.75rem 1rem;font-size:1rem;transition:border-color var(--transition-default),box-shadow var(--transition-default)}input:focus,textarea:focus,select:focus{outline:none;border-color:#1e3a8a99;box-shadow:0 0 0 3px #1e3a8a40}.error-text{color:#fca5a5}.success-text{color:#86efac}@media (max-width: 768px){.surface-panel,.glass-card{padding:1.5rem}}