:root {
  --navy:        #003087;
  --cobalt:      #0050C8;
  --cobalt-lite: #1A6BDE;
  --gold:        #FFB800;
  --gold-lite:   #FFD04D;
  --ice:         #E8F0FE;
  --offwhite:    #F7F9FF;
  --text-dark:   #0D1B3E;
  --text-mid:    #3A4A6B;
  --text-muted:  #6B7A99;
  --border-lt:   rgba(0,48,135,0.10);
  --radius-card: 12px;
  --radius-btn:  7px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--text-dark);
       background: #fff; -webkit-font-smoothing: antialiased; }

/* Nav */
.qs-nav { position: fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 5vw; height:64px;
  background: rgba(0,48,135,0.97); backdrop-filter: blur(12px);
  border-bottom: 0.5px solid rgba(255,184,0,0.25); }
.qs-nav-logo { font-size:15px; font-weight:600; letter-spacing:0.08em;
  text-transform:uppercase; color:#fff; text-decoration:none; }
.qs-nav-logo span { color: var(--gold); }
.qs-nav-links { display:flex; gap:2rem; list-style:none; }
.qs-nav-links a { font-size:13px; color:rgba(255,255,255,0.75);
  text-decoration:none; transition:color 0.15s; }
.qs-nav-links a:hover { color:#fff; }
.qs-nav-cta { font-size:13px; font-weight:500; background:var(--gold);
  color:var(--navy); border:none; border-radius:var(--radius-btn);
  padding:8px 18px; cursor:pointer; text-decoration:none;
  transition:background 0.15s; }
.qs-nav-cta:hover { background:var(--gold-lite); }

/* Buttons */
.btn-primary { display:inline-block; background:var(--gold); color:var(--navy);
  font-size:14px; font-weight:600; padding:14px 32px;
  border-radius:var(--radius-btn); border:none; cursor:pointer;
  text-decoration:none; transition:all 0.15s; }
.btn-primary:hover { background:var(--gold-lite); transform:translateY(-1px); }
.btn-ghost { display:inline-block; background:transparent; color:#fff;
  font-size:14px; font-weight:400; padding:14px 32px;
  border-radius:var(--radius-btn); border:0.5px solid rgba(255,255,255,0.35);
  cursor:pointer; text-decoration:none; transition:all 0.15s; }
.btn-ghost:hover { border-color:rgba(255,255,255,0.7);
  background:rgba(255,255,255,0.06); }
.btn-outline { display:inline-block; background:transparent;
  color:var(--cobalt); font-size:13px; font-weight:500; padding:11px 24px;
  border-radius:var(--radius-btn); border:0.5px solid var(--cobalt);
  cursor:pointer; text-decoration:none; transition:all 0.15s; }
.btn-outline:hover { background:var(--ice); }

/* Section base */
.qs-section { padding: 100px 5vw; }
.qs-inner   { max-width: 1100px; margin: 0 auto; }
.qs-tag     { font-size:11px; font-weight:500; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--cobalt); margin-bottom:1rem; }
.qs-h2      { font-size:clamp(1.8rem,3.5vw,2.75rem); font-weight:600;
  color:var(--text-dark); line-height:1.15; letter-spacing:-0.02em;
  max-width:640px; margin-bottom:1.25rem; }
.qs-sub     { font-size:1rem; color:var(--text-muted); max-width:520px;
  line-height:1.7; margin-bottom:3.5rem; }

/* Footer */
.qs-footer { background:var(--text-dark); padding:60px 5vw 32px; }
.qs-footer-inner { max-width:1100px; margin:0 auto; display:flex;
  justify-content:space-between; flex-wrap:wrap; gap:2rem;
  padding-bottom:40px; border-bottom:0.5px solid rgba(255,255,255,0.08); }
.qs-footer a { font-size:13px; color:rgba(255,255,255,0.45);
  text-decoration:none; display:block; margin-bottom:8px; }
.qs-footer a:hover { color:#fff; }
.qs-footer-bottom { max-width:1100px; margin:24px auto 0; display:flex;
  justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:12px; color:rgba(255,255,255,0.25); }

/* Forms */
.qs-form-group { margin-bottom:1.25rem; }
.qs-form-group label { display:block; font-size:13px; font-weight:500;
  color:var(--text-dark); margin-bottom:6px; }
.qs-form-group input,
.qs-form-group select,
.qs-form-group textarea {
  width:100%; padding:10px 14px; font-size:14px;
  border:0.5px solid var(--border-lt); border-radius:var(--radius-btn);
  background:#fff; color:var(--text-dark);
  transition:border-color 0.15s; outline:none; }
.qs-form-group input:focus,
.qs-form-group select:focus,
.qs-form-group textarea:focus {
  border-color:var(--cobalt);
  box-shadow:0 0 0 3px rgba(0,80,200,0.08); }
.qs-form-group textarea { resize:vertical; min-height:120px; }

@media (max-width:600px) {
  .qs-nav-links { display:none; }
  .qs-section { padding:70px 5vw; }
}