/* =============================================
   C2C Animation Studio — Main Stylesheet
   Dark theme, responsive, cinematic
   ============================================= */

:root {
  --bg-primary: #0a0b0e;
  --bg-secondary: #12141a;
  --bg-card: #1a1d24;
  --bg-card-hover: #22262e;
  --bg-nav: #0d0f13cc;
  --border: #2a2e36;
  --border-accent: #3a3f4a;
  --text-primary: #e8eaed;
  --text-secondary: #9aa0a6;
  --text-muted: #5f6368;
  --accent: #e05a3a;
  --accent-hover: #f06a4a;
  --accent-glow: #e05a3a44;
  --gold: #d4a853;
  --gold-dim: #d4a85333;
  --blue: #4a8ad4;
  --green: #3aa05a;
  --purple: #8a5ac8;
  --cyan: #3ac8d4;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,.5);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', system-ui, sans-serif;
  --transition: .2s ease;
}

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

html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--font-sans);
  background:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.6;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}

a{color:var(--accent);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent-hover)}
img{max-width:100%;height:auto;display:block}

/* ─── Navigation ─── */
.navbar{
  position:fixed;top:0;left:0;right:0;
  z-index:1000;
  background:var(--bg-nav);
  backdrop-filter:blur(20px) saturate(1.4);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--transition);
}
.navbar.scrolled{box-shadow:0 2px 32px rgba(0,0,0,.5)}
.nav-inner{
  max-width:1280px;margin:0 auto;
  display:flex;align-items:center;
  padding:0 24px;height:64px;
  gap:32px;
}
.nav-brand{
  font-size:1.25rem;font-weight:700;
  color:var(--text-primary);letter-spacing:-.02em;
  display:flex;align-items:center;gap:8px;
  white-space:nowrap;
}
.nav-brand:hover{color:var(--accent)}
.nav-brand .brand-icon{font-size:1.4rem}
.nav-links{
  display:flex;gap:4px;
  list-style:none;flex:1;
}
.nav-links a{
  padding:8px 14px;
  border-radius:var(--radius-sm);
  color:var(--text-secondary);
  font-size:.875rem;font-weight:500;
  transition:all var(--transition);
}
.nav-links a:hover,.nav-links a.active{
  color:var(--text-primary);
  background:var(--bg-card);
}
.nav-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;padding:4px}

/* ─── Hero ─── */
.hero{
  padding:140px 24px 80px;
  text-align:center;
  background:linear-gradient(180deg, #0d0f13 0%, var(--bg-primary) 100%);
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-50%;left:50%;width:800px;height:800px;
  background:radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  transform:translate(-50%,-30%);pointer-events:none;
}
.hero h1{
  font-size:clamp(2rem,5vw,3.5rem);
  font-weight:800;letter-spacing:-.03em;
  line-height:1.15;margin-bottom:16px;
  position:relative;
}
.hero h1 span{color:var(--accent)}
.hero p{
  font-size:clamp(1rem,2vw,1.2rem);
  color:var(--text-secondary);
  max-width:600px;margin:0 auto 32px;
  position:relative;
}

/* ─── Section ─── */
.section{
  max-width:1280px;margin:0 auto;
  padding:64px 24px;
}
.section-header{
  text-align:center;margin-bottom:48px;
}
.section-header h2{
  font-size:clamp(1.5rem,3vw,2rem);
  font-weight:700;letter-spacing:-.02em;
  margin-bottom:8px;
}
.section-header p{color:var(--text-secondary);font-size:1rem}

/* ─── Character / Item Cards ─── */
.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px,1fr));
  gap:24px;
}
.card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:all var(--transition);
  cursor:pointer;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--border-accent);
  box-shadow:var(--shadow);
  background:var(--bg-card-hover);
}
.card-img{
  width:100%;aspect-ratio:4/3;
  object-fit:cover;
  background:var(--bg-secondary);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);font-size:.875rem;
}
.card-body{padding:20px 24px 24px}
.card-body h3{font-size:1.1rem;font-weight:600;margin-bottom:4px}
.card-body .tag{
  display:inline-block;padding:2px 10px;
  border-radius:999px;font-size:.75rem;font-weight:600;
  margin-bottom:8px;
}
.tag-male{background:var(--blue);color:#fff}
.tag-female{background:var(--purple);color:#fff}
.tag-guide{background:var(--gold);color:#1a1510}
.tag-pet{background:var(--green);color:#fff}
.tag-location{background:var(--cyan);color:#081a1d}
.tag-prop{background:var(--accent);color:#fff}
.card-body p{color:var(--text-secondary);font-size:.875rem;line-height:1.5}
.card-body .role{color:var(--text-muted);font-size:.8rem;margin-bottom:8px}

/* ─── Detail Page ─── */
.detail-hero{
  padding:140px 24px 48px;
  background:linear-gradient(180deg, #0d0f13, var(--bg-primary));
}
.detail-inner{max-width:1080px;margin:0 auto}
.detail-back{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-muted);font-size:.875rem;margin-bottom:24px;
  transition:color var(--transition);
}
.detail-back:hover{color:var(--accent)}

.detail-header{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
}
.detail-img{
  width:100%;aspect-ratio:4/3;
  border-radius:var(--radius);
  background:var(--bg-card);
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);font-size:1rem;
  overflow:hidden;
}
.detail-img img{width:100%;height:100%;object-fit:cover}
.detail-info h1{
  font-size:clamp(1.8rem,3vw,2.5rem);
  font-weight:800;letter-spacing:-.02em;
  margin-bottom:4px;
}
.detail-info .detail-role{
  color:var(--text-muted);font-size:.9rem;margin-bottom:16px;
}
.detail-info .detail-desc{
  color:var(--text-secondary);line-height:1.7;margin-bottom:24px;
}
.detail-section{margin-bottom:32px}
.detail-section h3{
  font-size:1rem;font-weight:600;margin-bottom:12px;
  color:var(--text-primary);letter-spacing:-.01em;
}
.detail-section .label{
  display:inline-block;padding:3px 12px;
  border-radius:999px;font-size:.8rem;font-weight:600;
  margin:0 6px 6px 0;
}
.trait-list{display:flex;flex-wrap:wrap;gap:8px}
.trait{
  padding:6px 14px;border-radius:999px;
  background:var(--bg-card);border:1px solid var(--border);
  font-size:.8rem;color:var(--text-secondary);
}

/* ─── Info Box / Trait Block ─── */
.info-block{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:16px;
  margin-bottom:12px;
}
.info-block .info-label{
  font-size:.75rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.06em;
  color:var(--text-muted);margin-bottom:4px;
}
.info-block .info-value{font-size:.9rem;color:var(--text-secondary);line-height:1.6}
.prompt-box{
  background:var(--bg-secondary);
  border:1px solid var(--border-accent);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-sm);
  padding:16px;
  font-family:'SF Mono','Fira Code','Cascadia Code',monospace;
  font-size:.8rem;color:var(--text-secondary);
  line-height:1.6;white-space:pre-wrap;
  margin-bottom:12px;
}

/* ─── Footer ─── */
.footer{
  border-top:1px solid var(--border);
  padding:40px 24px;
  text-align:center;
  color:var(--text-muted);font-size:.85rem;
}

/* ─── Responsive ─── */
@media(max-width:768px){
  .nav-toggle{display:block}
  .nav-links{
    position:fixed;top:64px;left:0;right:0;
    background:var(--bg-nav);
    backdrop-filter:blur(20px) saturate(1.4);
    flex-direction:column;padding:8px 16px 16px;
    border-bottom:1px solid var(--border);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 14px}
  .detail-header{grid-template-columns:1fr}
  .hero{padding:120px 20px 60px}
  .section{padding:40px 20px}
  .card-grid{grid-template-columns:repeat(auto-fill, minmax(240px,1fr))}
}

@media(max-width:480px){
  .nav-inner{padding:0 16px;gap:16px}
  .card-grid{grid-template-columns:1fr}
}

/* ─── Animations ─── */
.fade-in{animation:fadeIn .5s ease forwards}
@keyframes fadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

/* ─── Utilities ─── */
.text-accent{color:var(--accent)}
.text-gold{color:var(--gold)}
.text-blue{color:var(--blue)}
.text-green{color:var(--green)}
.text-purple{color:var(--purple)}
.text-cyan{color:var(--cyan)}