/* AetherVPN — Shared site stylesheet
   Linked by every page so the header, nav, footer, buttons, and design
   tokens are identical everywhere. Page-specific styles stay inline. */

:root {
  --bg-main: #16141C;
  --bg-card: #292733;
  --bg-subtle: #1C1B24;
  --bg-strong: #3F3B4C;
  --border: rgba(255, 255, 255, 0.10);
  --border-norm: rgba(255, 255, 255, 0.20);
  --border-hover: rgba(255, 255, 255, 0.33);
  --accent: #6D4AFF;
  --accent-hover: #7C5CFF;
  --accent-active: #8A6EFF;
  --accent-soft: rgba(109, 74, 255, 0.12);
  --accent-ring: rgba(109, 74, 255, 0.25);
  --text-main: #FFFFFF;
  --text-muted: rgba(255, 255, 255, 0.70);
  --text-dim: rgba(255, 255, 255, 0.50);
  --vpn-green: #3DDC97;
  --signal-danger: #F7607B;
  --signal-warning: #FFAD33;
  --signal-success: #4BB99D;
  --gradient-protected: linear-gradient(135deg, rgba(61, 220, 151, 0.15) 0%, rgba(109, 74, 255, 0.15) 100%);
  --gradient-hero: linear-gradient(180deg, rgba(109, 74, 255, 0.08) 0%, rgba(22, 20, 28, 0) 100%);
  --gradient-connection: linear-gradient(135deg, #8A6EFF 0%, #3DDC97 100%);
  --gradient-upsell: linear-gradient(135deg, #11D8CC 0%, #6E4BFF 100%);
  --container-width: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Mobile table responsiveness */
@media (max-width: 768px) {
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

a { color: var(--accent-active); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent-hover); }

.container { max-width: var(--container-width); margin: 0 auto; padding: 0 1.5rem; }

/* --- Header & Nav --- */
header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(22, 20, 28, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
}
.nav { display: flex; justify-content: space-between; align-items: center; height: 64px; }
.logo {
  display: flex; align-items: center; gap: 0.75rem;
  font-weight: 800; font-size: 1.2rem; letter-spacing: 0.05em;
  color: #FFF; text-decoration: none;
}
.logo-badge {
  width: 16px; height: 16px;
  border: 2px solid var(--accent-active);
  border-radius: 50%; display: inline-block; position: relative;
}
.logo-badge::after {
  content: ''; width: 5px; height: 5px;
  background: var(--accent-active); border-radius: 50%;
  position: absolute; top: 3px; left: 3px;
}
.nav-links { display: flex; gap: 1.75rem; align-items: center; }
.nav-links a {
  color: var(--text-muted); font-size: 0.88rem; font-weight: 500;
  text-decoration: none; transition: color 0.15s;
}
.nav-links a:hover { color: #FFF; }
.nav-links a.active { color: #FFF; font-weight: 600; }

/* Mobile hamburger */
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  padding: 0.5rem; color: var(--text-main);
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text-main); border-radius: 2px;
  transition: all 0.2s;
}
.nav-toggle span + span { margin-top: 5px; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.6rem 1.25rem; font-size: 0.88rem; font-weight: 600;
  border-radius: 8px; cursor: pointer; transition: all 0.15s;
  border: none; text-decoration: none;
}
.btn-primary { background: var(--accent); color: #FFF; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px var(--accent-ring); }
.btn-secondary { background: var(--bg-card); border: 1px solid var(--border-norm); color: var(--text-main); }
.btn-secondary:hover { background: var(--bg-strong); border-color: var(--border-hover); }

/* --- Footer --- */
footer { border-top: 1px solid var(--border); padding: 4rem 0 3rem; background: #0E0D14; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-col h5 { font-size: 0.8rem; text-transform: uppercase; color: var(--text-dim); letter-spacing: 0.08em; margin-bottom: 1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; font-size: 0.88rem; }
.footer-col ul li a { color: var(--text-muted); text-decoration: none; }
.footer-col ul li a:hover { color: #FFF; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 2rem;
  display: flex; justify-content: space-between;
  font-size: 0.8rem; color: var(--text-dim);
}
.footer-bottom-simple { text-align: center; font-size: 0.8rem; color: var(--text-dim); }

/* --- Responsive --- */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--bg-main); border-bottom: 1px solid var(--border);
    padding: 0.5rem 1.5rem 1rem;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.75rem 0; width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}