/* AirVault Shared Design System */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --ink: #0a0f1a;
  --slate: #2d3748;
  --mist: #94a3b8;
  --cloud: #e2e8f0;
  --ice: #f0f4f8;
  --sky: #0ea5e9;
  --teal: #0d9488;
  --emerald: #059669;
  --lime: #84cc16;
  --danger: #ef4444;
}

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--cloud);
  background: var(--ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

a { color: var(--sky); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--teal); }

/* ---- NAVBAR ---- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(10, 15, 26, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.nav-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.nav-brand span { color: var(--emerald); }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--mist);
  transition: color 0.2s;
  font-weight: 500;
}

.nav-links a:hover { color: #fff; }
.nav-links a.active { color: var(--sky); }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--sky), var(--teal));
  color: #fff;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); color: #fff; }

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--cloud);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--mist);
  padding: 8px 16px;
}
.btn-ghost:hover { color: #fff; }

.btn-sm { padding: 8px 16px; font-size: 0.82rem; }
.btn-lg { padding: 16px 32px; font-size: 1rem; }

/* ---- CARDS ---- */
.card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.3s, transform 0.2s;
}

.card:hover {
  border-color: rgba(14, 165, 233, 0.2);
  transform: translateY(-2px);
}

/* ---- BADGES ---- */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-family: 'Space Grotesk', sans-serif;
}

.badge-tech {
  background: rgba(14, 165, 233, 0.12);
  color: var(--sky);
  border: 1px solid rgba(14, 165, 233, 0.2);
}

.badge-verified {
  background: rgba(5, 150, 105, 0.12);
  color: var(--emerald);
  border: 1px solid rgba(5, 150, 105, 0.2);
}

.badge-featured {
  background: rgba(132, 204, 22, 0.12);
  color: var(--lime);
  border: 1px solid rgba(132, 204, 22, 0.2);
}

/* ---- FORMS ---- */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--mist);
  margin-bottom: 6px;
  font-family: 'Space Grotesk', sans-serif;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--sky);
  background: rgba(255, 255, 255, 0.06);
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* ---- PAGE LAYOUT ---- */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
}

.page-header {
  margin-bottom: 40px;
}

.page-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.page-header p {
  color: var(--mist);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 600px;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 40px 24px;
  text-align: center;
  background: #080c14;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  margin-top: 80px;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--mist);
  letter-spacing: 1px;
}

.footer-sub {
  font-size: 0.8rem;
  color: rgba(148, 163, 184, 0.5);
  margin-top: 8px;
}

/* ---- LOADING ---- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--sky);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .navbar { padding: 12px 16px; }
  .nav-links { gap: 16px; }
  .page-container { padding: 24px 16px; }
}

@media (max-width: 480px) {
  .nav-links a.hide-mobile { display: none; }
}