/* =============================================================
   RetroGhostLabs – Global Stylesheet
   Shared across all pages: variables, reset, base, navigation
   ============================================================= */

/* ===== CSS VARIABLES ===== */
:root {
  --accent: #cc8800;
  --accent-dim: #b37700;
  --bg-primary: #0a0e27;
  --bg-secondary: #12183a;
  --bg-tertiary: #1a224d;
  --text-primary: #e5e5e5;
  --text-secondary: #b0b0b0;
  --text-dim: #808080;
  --border: #2a2e4a;
  --shadow: rgba(204, 136, 0, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== BASE ===== */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-dim);
}

/* ===== NAVIGATION ===== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 1.25rem 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.nav-logo:hover {
  color: var(--accent);
}

.nav-logo img {
  height: 44px;
  width: auto;
}

.nav-logo span {
  font-size: 1.1rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

@media (max-width: 700px) {
  .nav-links {
    position: fixed;
    top: 85px;
    left: -100%;
    flex-direction: column;
    background: var(--bg-primary);
    width: 100%;
    padding: 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    transition: left 0.3s ease;
    z-index: 999;
  }

  .nav-links.active {
    left: 0;
  }

  .mobile-menu-btn {
    display: block;
  }
}