/* =========================================
   UTILITY COMPONENTS
   ========================================= */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 13px; font-weight: 500;
  color: var(--pd-blue); letter-spacing: 0.08em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 100px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.15);
}
.eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--pd-blue); box-shadow: 0 0 8px var(--pd-blue);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.eyebrow.light { color: var(--pd-cyan); background: rgba(6, 182, 212, 0.1); border-color: rgba(6, 182, 212, 0.2); }
.eyebrow.light::before { background: var(--pd-cyan); box-shadow: 0 0 8px var(--pd-cyan); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-heading); font-weight: 600; font-size: 15px;
  padding: 14px 28px; border-radius: var(--radius-sm);
  transition: all 0.25s var(--ease); cursor: pointer;
  letter-spacing: 0.01em; white-space: nowrap;
}
.btn-primary {
  background: var(--pd-blue); color: var(--pd-white);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover { background: var(--pd-blue-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45); }
.btn-ghost { background: transparent; color: var(--pd-navy); border: 1.5px solid var(--pd-border); }
.btn-ghost:hover { border-color: var(--pd-navy); background: var(--pd-navy); color: var(--pd-white); }
.btn-white { background: var(--pd-white); color: var(--pd-navy); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,0,0,0.25); }
.btn-outline-white { background: transparent; color: var(--pd-white); border: 1.5px solid rgba(255,255,255,0.3); }
.btn-outline-white:hover { border-color: var(--pd-white); background: rgba(255,255,255,0.1); }
.btn svg { width: 16px; height: 16px; transition: transform 0.25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

/* =========================================
   NAVIGATION
   ========================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 18px 0; transition: all 0.3s var(--ease);
  background: rgba(255, 255, 255, 0.7); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(255, 255, 255, 0.92); border-bottom-color: var(--pd-border); box-shadow: var(--shadow-sm); padding: 14px 0; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }

.logo { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; transition: opacity 0.2s var(--ease); }
.logo:hover { opacity: 0.85; }
.logo-iso { height: 21px; width: auto; display: block; transition: height 0.3s var(--ease); }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-name { font-family: var(--font-heading); font-weight: 900; font-size: 12px; color: var(--pd-navy); letter-spacing: 0.02em; }
.logo-sub { font-family: var(--font-heading); font-weight: 500; font-size: 7px; color: var(--pd-navy); letter-spacing: 0.38em; margin-top: 2px; }
.nav { padding: 14px 0; }
.nav.scrolled { padding: 10px 0; }
.nav.scrolled .logo-iso { height: 18px; }
.nav.scrolled .logo-name { font-size: 11px; transition: font-size 0.3s var(--ease); }
.nav.scrolled .logo-sub { font-size: 6px; transition: font-size 0.3s var(--ease); }
.logo-footer .logo-iso { height: 24px; }
.logo-footer .logo-name { font-size: 13px; }
.logo-footer .logo-sub { font-size: 7px; letter-spacing: 0.4em; }
@media (max-width: 780px) {
  .logo-iso { height: 18px; }
  .logo-name { font-size: 11px; }
  .logo-sub { font-size: 6px; }
}

.nav-links { display: flex; align-items: center; gap: 8px; list-style: none; }
.nav-links a {
  font-family: var(--font-body); font-size: 15px; font-weight: 500; color: var(--pd-slate);
  padding: 8px 16px; border-radius: var(--radius-sm); transition: all 0.2s var(--ease);
}
.nav-links a:hover { color: var(--pd-navy); background: var(--pd-light); }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--pd-navy); border-radius: 2px; transition: all 0.3s var(--ease); }

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: var(--pd-navy-deep); color: rgba(255,255,255,0.7);
  padding: 72px 0 32px; position: relative;
}
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 56px;
  padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 320px; margin-bottom: 24px; }

.footer-col h4 {
  font-family: var(--font-heading); font-size: 13px; color: white;
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 20px; font-weight: 600;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.55); transition: color 0.2s var(--ease); }
.footer-links a:hover { color: white; }

.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.7); transition: all 0.2s var(--ease);
}
.footer-social a:hover { background: var(--pd-blue); color: white; border-color: var(--pd-blue); transform: translateY(-2px); }
.footer-social svg { width: 16px; height: 16px; }

.footer-bottom {
  padding-top: 28px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
  font-size: 13px; color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.4); transition: color 0.2s var(--ease); }
.footer-bottom a:hover { color: white; }