/* =====================================================================
   NostalgicVerse - components.css
   Navbar, hero, cards, footer, badges, grids
   ===================================================================== */

/* ===== NAVBAR ===== */
.nv-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(5, 6, 13, 0.72);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--nv-border);
}
.nv-header-inner {
  padding: 0.85rem clamp(1rem, 3vw, 1.5rem);
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.nv-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--nv-font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--nv-text);
}
.nv-logo::before {
  content: '';
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--nv-gradient);
  box-shadow: 0 0 18px rgba(138, 92, 255, 0.55);
  position: relative;
}
.nv-logo:hover { color: #fff; text-decoration: none; }
.nv-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: auto;
  flex-wrap: wrap;
}
.nv-nav a {
  position: relative;
  padding: 0.55rem 0.9rem;
  border-radius: var(--nv-radius-pill);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--nv-text-2);
  transition: all var(--nv-transition);
}
.nv-nav a:hover, .nv-nav a:focus-visible {
  color: #fff;
  background: rgba(138, 92, 255, 0.12);
  text-decoration: none;
}
.nv-nav a[aria-current="page"] {
  color: #fff;
  background: linear-gradient(135deg, rgba(138,92,255,0.35), rgba(79,139,255,0.25));
  border: 1px solid var(--nv-border-strong);
}
.nv-nav .nv-search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--nv-border);
  border-radius: var(--nv-radius-pill);
  color: var(--nv-muted);
  font-size: 0.9rem;
}
.nv-nav .nv-search-trigger:hover { color: #fff; border-color: var(--nv-border-strong); }

.nv-nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--nv-border);
  align-items: center;
  justify-content: center;
}
.nv-nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--nv-text);
  position: relative;
}
.nv-nav-toggle span::before, .nv-nav-toggle span::after {
  content: ''; position: absolute; left: 0;
  width: 18px; height: 2px; background: var(--nv-text);
}
.nv-nav-toggle span::before { top: -6px; }
.nv-nav-toggle span::after { top: 6px; }

/* ===== BREADCRUMB ===== */
.nv-breadcrumb {
  max-width: var(--nv-container);
  margin: 0 auto;
  padding: 1.1rem clamp(1rem, 3vw, 1.5rem) 0;
  color: var(--nv-muted);
  font-size: 0.86rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.nv-breadcrumb a { color: var(--nv-muted); }
.nv-breadcrumb a:hover { color: var(--nv-neon-purple-2); }
.nv-breadcrumb span:last-child { color: var(--nv-text); }
.nv-breadcrumb .sep { color: var(--nv-muted); opacity: 0.6; }

/* ===== HERO ===== */
.nv-hero {
  position: relative;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(1rem, 3vw, 1.5rem);
  margin-bottom: 2rem;
  border-radius: var(--nv-r-xl);
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--nv-border);
}
.nv-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 400px at 80% 20%, rgba(138,92,255,0.45), transparent 60%),
    radial-gradient(600px 400px at 10% 80%, rgba(79,139,255,0.45), transparent 60%),
    linear-gradient(135deg, #0a0c1c 0%, #14163a 100%);
  z-index: -2;
}
.nv-hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, #000 30%, transparent 80%);
  opacity: 0.5;
  z-index: -1;
}
.nv-hero h1 {
  background: linear-gradient(120deg, #fff 30%, var(--nv-neon-purple-2) 70%, var(--nv-neon-blue-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
}
.nv-hero-cta {
  display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem;
}

/* ===== BUTTONS ===== */
.nv-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--nv-radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--nv-border);
  background: var(--nv-surface);
  color: var(--nv-text);
  transition: all var(--nv-transition);
}
.nv-btn:hover { transform: translateY(-2px); text-decoration: none; border-color: var(--nv-border-strong); box-shadow: var(--nv-glow); }
.nv-btn-primary {
  background: var(--nv-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 10px 30px rgba(138, 92, 255, 0.35);
}
.nv-btn-primary:hover { box-shadow: 0 18px 50px rgba(138, 92, 255, 0.55); }
.nv-btn-ghost { background: rgba(255,255,255,0.04); }

/* ===== SECTIONS ===== */
.nv-section { padding: clamp(2rem, 4vw, 3.5rem) 0; }
.nv-section + .nv-section { border-top: 1px solid var(--nv-border); }
.nv-section-head {
  display: flex; align-items: end; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 1.75rem;
}
.nv-section-head h2 { margin: 0; }
.nv-section-head a { font-size: 0.9rem; color: var(--nv-neon-purple-2); }

/* ===== GRID + CARDS ===== */
.nv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

/* Card - base */
.nv-card {
  position: relative;
  display: flex; flex-direction: column;
  gap: 0.6rem;
  padding: 0;
  border-radius: var(--nv-r-lg);
  overflow: hidden;
  background: var(--nv-surface);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--nv-border);
  color: var(--nv-text);
  transition: transform var(--nv-transition), border-color var(--nv-transition), box-shadow var(--nv-transition);
  isolation: isolate;
}
.nv-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(138,92,255,0) 0%, rgba(79,139,255,0) 100%);
  transition: background var(--nv-transition);
  z-index: -1;
}
.nv-card:hover {
  transform: translateY(-6px);
  border-color: var(--nv-border-strong);
  box-shadow: var(--nv-shadow-2), 0 0 40px rgba(138,92,255,0.18);
  text-decoration: none;
}
.nv-card:hover::before {
  background: linear-gradient(135deg, rgba(138,92,255,0.18) 0%, rgba(79,139,255,0.10) 100%);
}
.nv-card-art {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1d44, #0f1228);
  display: flex; align-items: center; justify-content: center;
}
.nv-card-art svg, .nv-card-art img { width: 100%; height: 100%; object-fit: cover; display: block; }
.nv-card-art .nv-card-art-fallback {
  position: absolute; inset: 0;
  background: var(--nv-gradient);
  opacity: 0.18;
}
.nv-card-art .nv-card-art-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1.5rem 1rem 0.75rem;
  background: linear-gradient(180deg, transparent, rgba(5,6,13,0.85));
  font-family: var(--nv-font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
}
.nv-card-body { padding: 1rem 1.1rem 1.15rem; display: flex; flex-direction: column; gap: 0.35rem; }
.nv-card h3 { margin: 0; font-size: 1.05rem; font-weight: 700; color: var(--nv-text); }
.nv-card .nv-meta { color: var(--nv-muted); font-size: 0.85rem; }
.nv-card .nv-card-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center; gap: 0.4rem;
  color: var(--nv-neon-purple-2);
  font-size: 0.85rem;
  font-weight: 600;
}
.nv-card .nv-card-cta::after { content: '\2192'; transition: transform var(--nv-transition); }
.nv-card:hover .nv-card-cta::after { transform: translateX(4px); }

/* tags/badges */
.nv-badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--nv-radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(138, 92, 255, 0.18);
  color: var(--nv-neon-purple-2);
  border: 1px solid rgba(138, 92, 255, 0.3);
}
.nv-badge-blue { background: rgba(79,139,255,0.18); color: var(--nv-neon-blue-2); border-color: rgba(79,139,255,0.3); }
.nv-badge-pink { background: rgba(255,108,171,0.18); color: var(--nv-neon-pink); border-color: rgba(255,108,171,0.3); }

/* ===== FEATURED / SPOTLIGHT ===== */
.nv-spotlight {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
}
.nv-spotlight-main, .nv-spotlight-side {
  position: relative;
  border-radius: var(--nv-r-xl);
  overflow: hidden;
  border: 1px solid var(--nv-border);
  background: var(--nv-surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  isolation: isolate;
}
.nv-spotlight-main { min-height: 440px; }
.nv-spotlight-main::before, .nv-spotlight-side::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: var(--nv-gradient);
  opacity: 0.25;
}
.nv-spotlight-main h3, .nv-spotlight-side h3 { font-size: 1.5rem; }
.nv-spotlight-main p { color: var(--nv-text-2); margin-top: 0.4rem; }
.nv-spotlight-side { min-height: 200px; }

/* ===== STATS / STRIP ===== */
.nv-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.nv-stat {
  padding: 1.1rem 1.25rem;
  border-radius: var(--nv-r-lg);
  background: var(--nv-surface);
  border: 1px solid var(--nv-border);
}
.nv-stat .nv-stat-num {
  font-family: var(--nv-font-display);
  font-weight: 700;
  font-size: 1.8rem;
  background: var(--nv-gradient-hot);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nv-stat .nv-stat-label { color: var(--nv-muted); font-size: 0.85rem; }

/* ===== TIMELINE ===== */
.nv-timeline { display: grid; gap: 1rem; }
.nv-timeline-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--nv-border);
  border-radius: var(--nv-r-lg);
  background: var(--nv-surface);
  transition: border-color var(--nv-transition), transform var(--nv-transition);
}
.nv-timeline-row:hover { border-color: var(--nv-border-strong); transform: translateX(4px); }
.nv-timeline-year {
  font-family: var(--nv-font-display);
  font-weight: 700;
  font-size: 1.4rem;
  background: var(--nv-gradient-hot);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ===== SPEC ===== */
.nv-spec {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0.5rem 1.25rem;
  background: var(--nv-surface);
  border: 1px solid var(--nv-border);
  border-radius: var(--nv-r-lg);
  padding: 1.25rem;
}
.nv-spec dt { color: var(--nv-muted); font-size: 0.9rem; }
.nv-spec dd { margin: 0; color: var(--nv-text); }

/* ===== FAQ ===== */
.nv-faq details {
  background: var(--nv-surface);
  border: 1px solid var(--nv-border);
  border-radius: var(--nv-r-md);
  padding: 1rem 1.15rem;
  margin-bottom: 0.6rem;
  transition: border-color var(--nv-transition);
}
.nv-faq details[open] { border-color: var(--nv-border-strong); }
.nv-faq summary { cursor: pointer; font-weight: 600; color: var(--nv-text); }
.nv-faq summary::marker { color: var(--nv-neon-purple-2); }

/* ===== CTA ===== */
.nv-cta {
  position: relative;
  background: linear-gradient(135deg, rgba(138,92,255,0.25), rgba(79,139,255,0.18));
  border: 1px solid var(--nv-border-strong);
  border-radius: var(--nv-r-xl);
  padding: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-top: 2.5rem;
  overflow: hidden;
}
.nv-cta::before {
  content: '';
  position: absolute; inset: -2px;
  background: var(--nv-gradient-hot);
  opacity: 0.12;
  filter: blur(40px);
  z-index: -1;
}
.nv-cta h2 { margin-top: 0; }

/* ===== FOOTER ===== */
.nv-footer {
  margin-top: auto;
  border-top: 1px solid var(--nv-border);
  background: linear-gradient(180deg, rgba(5,6,13,0) 0%, rgba(5,6,13,0.9) 100%);
  position: relative;
}
.nv-footer::before {
  content: '';
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 60%; max-width: 800px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--nv-neon-purple), var(--nv-neon-blue), transparent);
}
.nv-footer-inner {
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1rem, 3vw, 1.5rem) 2rem;
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
}
.nv-footer h4 { margin: 0 0 1rem; }
.nv-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.nv-footer li a { color: var(--nv-text-2); font-size: 0.92rem; transition: color var(--nv-transition); }
.nv-footer li a:hover { color: var(--nv-neon-purple-2); }
.nv-tagline {
  color: var(--nv-neon-purple-2);
  font-weight: 600;
  margin: 0.4rem 0;
  letter-spacing: 0.04em;
}
.nv-copy { color: var(--nv-muted); font-size: 0.85rem; margin: 0; }
.nv-footer-bottom {
  border-top: 1px solid var(--nv-border);
  padding: 1rem clamp(1rem, 3vw, 1.5rem);
  text-align: center;
  color: var(--nv-muted);
  font-size: 0.85rem;
  background: rgba(0,0,0,0.4);
}

/* ===== SEARCH ===== */
.nv-search-panel {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 13, 0.85);
  backdrop-filter: blur(12px);
  z-index: 80;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 6rem 1rem 2rem;
  overflow-y: auto;
}
.nv-search-panel.is-open { display: flex; }
.nv-search-modal {
  width: 100%;
  max-width: 720px;
  background: var(--nv-surface-2);
  border: 1px solid var(--nv-border-strong);
  border-radius: var(--nv-r-xl);
  padding: 1.25rem;
  box-shadow: var(--nv-shadow-2), var(--nv-glow);
}
.nv-search-input {
  width: 100%;
  padding: 1rem 1.1rem;
  font-size: 1.05rem;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--nv-border);
  border-radius: var(--nv-r-md);
  color: var(--nv-text);
  font-family: inherit;
}
.nv-search-input:focus { border-color: var(--nv-neon-purple); outline: none; }
.nv-search-results { margin-top: 1rem; max-height: 60vh; overflow-y: auto; }
.nv-search-result {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: var(--nv-r-md);
  color: var(--nv-text);
  border: 1px solid transparent;
  transition: border-color var(--nv-transition), background var(--nv-transition);
}
.nv-search-result:hover, .nv-search-result.is-active {
  border-color: var(--nv-border-strong);
  background: rgba(138,92,255,0.10);
  text-decoration: none;
}
.nv-search-result small { color: var(--nv-neon-purple-2); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.15em; }

/* ===== ART PLACEHOLDER ===== */
.nv-art {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
  font-family: var(--nv-font-display);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.04em;
  text-align: center;
  overflow: hidden;
}
.nv-art span {
  position: relative;
  z-index: 2;
  font-size: clamp(2rem, 5vw, 3.5rem);
  text-shadow: 0 6px 20px rgba(0,0,0,0.5);
}
.nv-art::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--art-bg, var(--nv-gradient));
  opacity: 0.85;
}
.nv-art::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.25) 0, transparent 30%),
    radial-gradient(circle at 80% 70%, rgba(0,0,0,0.45) 0, transparent 40%);
}

/* ===== ANIMATIONS ===== */
@keyframes nv-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes nv-glow {
  0%, 100% { box-shadow: 0 0 24px rgba(138,92,255,0.3); }
  50% { box-shadow: 0 0 40px rgba(79,139,255,0.45); }
}
.nv-pulse { animation: nv-glow 3.6s ease-in-out infinite; }
.nv-float { animation: nv-float 4s ease-in-out infinite; }

/* Mobile menu hidden by default; we expose it on tablet widths and smaller */
/* (positioning handled via responsive.css) */