/* Core Theme Variables & Global Setup */
:root {
  --bg-dark: #0a0a0c;
  --human-glow: #ff5e97;
  --ai-neon: #00f0ff;
  --lavender-glow: #bda2ff;
  --text-light: #f5f5f7;
  --text-muted: rgba(245, 245, 247, 0.6);
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-light);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Full Screen Ambient Glow Background */
.glow-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background:
    radial-gradient(circle at 10% 20%, rgba(255, 94, 151, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0, 240, 255, 0.06) 0%, transparent 45%);
  z-index: -1;
  pointer-events: none;
}

/* ── Navigation ── */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 700px;
  margin: 0 auto;
  padding: 1.5rem 2rem 0;
}

.site-nav .nav-brand {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.2s;
}

.site-nav .nav-brand:hover {
  color: var(--lavender-glow);
}

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

.site-nav .nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

.site-nav .nav-links a:hover,
.site-nav .nav-links a.active {
  color: var(--lavender-glow);
}

.site-nav .nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--lavender-glow);
  opacity: 0.6;
}

/* Layout Container */
.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

/* Image Wrappers & Aspect Protection */
.flag-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 2.5rem;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.flag-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Typography & Main Landing Components */
h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--text-light) 0%, rgba(245, 245, 247, 0.7) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(189, 162, 255, 0.1);
  border: 1px solid rgba(189, 162, 255, 0.2);
  color: var(--lavender-glow);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}

.coming-soon {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.concept {
  margin-top: 1.5rem;
}

.concept p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.7;
}

/* ── Downloads Page ── */
.flag-container {
  margin-bottom: 2rem;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.flag-preview {
  width: 100%;
  height: auto;
  display: block;
}

.download-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  justify-content: center;
}

.download-list li a {
  display: inline-block;
  padding: 0.6rem 1.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--lavender-glow);
  text-decoration: none;
  border: 1px solid rgba(189, 162, 255, 0.25);
  border-radius: 4px;
  background: rgba(189, 162, 255, 0.06);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.download-list li a:hover {
  background: rgba(189, 162, 255, 0.15);
  border-color: rgba(189, 162, 255, 0.5);
  color: var(--text-light);
}

/* ── About Page ── */
.about-body {
  text-align: left;
  margin-top: 2rem;
}

.about-body p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  line-height: 1.7;
}

.about-sign-off {
  margin-top: 2rem;
  opacity: 0.8;
}

/* ── Shared Footer Nav ── */
.nav-footer {
  margin-top: 3rem;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.nav-footer a {
  color: var(--lavender-glow);
  text-decoration: none;
  border-bottom: 1px dashed rgba(189, 162, 255, 0.4);
  transition: border-color 0.2s;
}

.nav-footer a:hover {
  border-bottom-color: var(--lavender-glow);
}

/* ── Footer ── */
.site-footer {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 2rem 2rem;
  text-align: center;
  font-size: 0.7rem;
  color: rgba(245, 245, 247, 0.25);
  letter-spacing: 0.05em;
}

/* ── Responsive ── */
@media (max-width: 480px) {
  h1 {
    font-size: 1.6rem;
  }

  .site-nav {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .site-nav .nav-links {
    gap: 1rem;
  }

  .download-list {
    flex-direction: column;
    align-items: stretch;
  }

  .download-list li a {
    display: block;
    text-align: center;
  }
}