/* ============================================================
   ARKIONIX COMPONENTS — Nav, Footer, Buttons, Cards, Pills
   ============================================================ */

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan) 0%, #00a8d4 100%);
  color: #050508;
  box-shadow: 0 0 20px rgba(0,212,255,0.3), 0 4px 15px rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--duration-base);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #33dcff 0%, var(--cyan) 100%);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 35px rgba(0,212,255,0.5), 0 8px 25px rgba(0,0,0,0.4);
}
.btn-primary:hover::after { opacity: 1; }

.btn-ghost {
  background: rgba(0,212,255,0.05);
  color: var(--text-primary);
  border: 1px solid rgba(0,212,255,0.4);
  box-shadow: 0 0 15px rgba(0,212,255,0.05), inset 0 0 15px rgba(0,212,255,0.03);
}
.btn-ghost:hover {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0,212,255,0.2), inset 0 0 20px rgba(0,212,255,0.08);
}

.btn-white {
  background: #ffffff;
  color: #050508;
  font-weight: 700;
  box-shadow: 0 0 30px rgba(255,255,255,0.15), 0 6px 20px rgba(0,0,0,0.4);
}
.btn-white:hover {
  background: #f0f9ff;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 50px rgba(255,255,255,0.25), 0 12px 35px rgba(0,0,0,0.5);
}

.btn-nav {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}

/* ── Nav ────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition:
    background var(--duration-slow) var(--ease-in-out),
    backdrop-filter var(--duration-slow) var(--ease-in-out),
    border-color var(--duration-slow) var(--ease-in-out);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: var(--bg-overlay);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-8);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  text-decoration: none;
}

.nav-logo-shield   { width: 78px; height: 78px; object-fit: contain; }
.nav-logo-wordmark { height: 52px; object-fit: contain; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: auto;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--duration-fast);
}
.nav-link:hover { color: var(--text-primary); }

.nav-cta { margin-left: var(--space-4); }

/* Burger */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  margin-left: auto;
  z-index: 1100;
  cursor: pointer;
  border: none;
  background: none;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease-out);
}

/* Mobile overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}
.nav-overlay.open { display: flex; }

.nav-overlay .nav-link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}
.nav-overlay .nav-link:hover { color: var(--cyan); }

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid rgba(0, 212, 255, 0.2);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-16);
  margin-bottom: var(--space-12);
  align-items: start;
}

.footer-brand { max-width: 300px; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.footer-logo img.shield   { width: 60px; height: auto; }
.footer-logo img.wordmark { height: 40px; width: auto; }

.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

.footer-cols {
  display: flex;
  gap: var(--space-16);
}

.footer-col-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-4);
}

.footer-link {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  text-decoration: none;
  transition: color var(--duration-fast);
}
.footer-link:hover { color: var(--cyan); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--space-6);
  font-size: 0.8rem;
  color: var(--text-faint);
}
.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
}
.footer-bottom a:hover { color: var(--cyan); }

@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { flex-wrap: wrap; gap: var(--space-8); }
}

/* ── Pill / badge ───────────────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.85rem;
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(0,212,255,0.85);
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: border-color var(--duration-fast), background var(--duration-fast), box-shadow var(--duration-fast);
}
.pill:hover {
  border-color: rgba(0,212,255,0.5);
  background: rgba(0,212,255,0.1);
  box-shadow: 0 0 12px rgba(0,212,255,0.15);
}

/* ── Glow card ──────────────────────────────────────────── */
.glow-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--duration-slow) var(--ease-out),
    box-shadow var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out),
    background var(--duration-slow) var(--ease-out);
}
.glow-card:hover {
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 0 40px rgba(0,212,255,0.15), 0 20px 60px rgba(0,0,0,0.3);
  transform: translateY(-4px);
  background: rgba(0,212,255,0.03);
}