/*
 * GetFree3D — Main Stylesheet
 * Version: 1.0.0
 */

/* =============================================
   DESIGN SYSTEM — CSS VARIABLES
   ============================================= */
:root {
  --neon-blue: #00E5FF;
  --electric-purple: #7B61FF;
  --lime-green: #A3FF12;
  --bg-deep: #0F1117;
  --bg-surface: #1A1D26;
  --bg-card: #1E2130;
  --bg-elevated: #252838;
  --text-primary: #FFFFFF;
  --text-muted: #A0A3BD;
  --text-dim: #6B6E8A;
  --border: rgba(255,255,255,0.06);
  --border-glow: rgba(0,229,255,0.2);

  /* Spacing Scale */
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px;
  --space-4: 16px; --space-5: 20px; --space-6: 24px;
  --space-8: 32px; --space-10: 40px; --space-12: 48px;
  --space-16: 64px; --space-20: 80px; --space-24: 96px;

  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --radius-sm: 6px; --radius-md: 12px; --radius-lg: 16px;
  --radius-xl: 24px; --radius-full: 9999px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow-blue: 0 0 30px rgba(0,229,255,0.15);
  --shadow-glow-green: 0 0 20px rgba(163,255,18,0.3);
  --shadow-glow-purple: 0 0 30px rgba(123,97,255,0.2);

  --header-height: 72px;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input, select, textarea { font-family: var(--font-body); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--electric-purple); border-radius: 3px; }

/* =============================================
   TYPOGRAPHY
   ============================================= */
.display-xl { font-family: var(--font-display); font-size: clamp(3rem, 7vw, 6rem); font-weight: 800; line-height: 1.0; letter-spacing: -0.03em; }
.display-lg { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.display-md { font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; line-height: 1.2; }
.heading { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; }
.body-lg { font-size: 1.125rem; color: var(--text-muted); }
.body-sm { font-size: 0.875rem; color: var(--text-muted); }
.label { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); }

.gradient-blue { background: linear-gradient(135deg, var(--neon-blue), #0099FF); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.gradient-purple { background: linear-gradient(135deg, var(--electric-purple), #B44FFF); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.gradient-green { background: linear-gradient(135deg, var(--lime-green), #4DFFB4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* =============================================
   LAYOUT
   ============================================= */
.container { max-width: 1440px; margin: 0 auto; padding: 0 var(--space-8); }
.section { padding: var(--space-20) 0; }
.site-content { padding-top: var(--header-height); }

.grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }

.section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: var(--space-10); gap: var(--space-4); flex-wrap: wrap; }
.section-tag {
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: rgba(0,229,255,0.08); border: 1px solid rgba(0,229,255,0.2);
  color: var(--neon-blue); padding: 0.375rem 1rem; border-radius: var(--radius-full);
  font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}
.section-tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--neon-blue); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.3;} }

/* =============================================
   BUTTON SYSTEM
   ============================================= */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-body); font-weight: 600; font-size: 0.9375rem;
  padding: 0.75rem 1.75rem; border-radius: var(--radius-full);
  border: none; cursor: pointer; text-decoration: none;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap; position: relative; overflow: hidden;
  line-height: 1;
}
.btn::after { content: ''; position: absolute; inset: 0; border-radius: inherit; opacity: 0; transition: opacity 0.2s; background: rgba(255,255,255,0.1); }
.btn:hover::after { opacity: 1; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn:focus-visible { outline: 2px solid var(--neon-blue); outline-offset: 3px; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.btn-primary { background: linear-gradient(135deg, var(--neon-blue), #0099FF); color: #000; font-weight: 700; box-shadow: 0 4px 20px rgba(0,229,255,0.35); }
.btn-primary:hover { box-shadow: 0 8px 30px rgba(0,229,255,0.5); }
.btn-download { background: linear-gradient(135deg, var(--lime-green), #7DFF00); color: #000; font-weight: 700; box-shadow: var(--shadow-glow-green); }
.btn-download:hover { box-shadow: 0 8px 35px rgba(163,255,18,0.5); }
.btn-secondary { background: rgba(255,255,255,0.06); color: var(--text-primary); border: 1px solid var(--border); backdrop-filter: blur(10px); }
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.15); }
.btn-ghost { background: transparent; color: var(--neon-blue); border: 1px solid var(--border-glow); }
.btn-ghost:hover { background: rgba(0,229,255,0.08); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.8125rem; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1.0625rem; }
.btn-icon { padding: 0.625rem; border-radius: var(--radius-md); }

/* =============================================
   SCROLL PROGRESS
   ============================================= */
.scroll-progress {
  position: fixed; top: 0; left: 0; z-index: 1001;
  height: 2px; background: linear-gradient(90deg, var(--neon-blue), var(--electric-purple));
  width: 0; transition: width 0.1s linear; pointer-events: none;
}

/* =============================================
   ANNOUNCE BAR
   ============================================= */
.announce-bar {
  background: linear-gradient(90deg, rgba(0,229,255,0.08), rgba(123,97,255,0.08));
  border-bottom: 1px solid var(--border); text-align: center;
  padding: 0.5rem; font-size: 0.8125rem; color: var(--text-muted);
}
.announce-bar strong { color: var(--neon-blue); }

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: var(--space-4) 0; transition: all 0.3s ease;
}
.site-header.scrolled {
  background: rgba(15,17,23,0.92); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border); padding: var(--space-3) 0;
}
.header-inner { display: flex; align-items: center; gap: var(--space-6); }
.logo { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; flex-shrink: 0; }
.logo-icon { width: 38px; height: 38px; border-radius: var(--radius-md); background: linear-gradient(135deg, var(--neon-blue), var(--electric-purple)); display: flex; align-items: center; justify-content: center; font-size: 18px; box-shadow: var(--shadow-glow-blue); }
.logo-text { font-family: var(--font-display); font-size: 1.375rem; font-weight: 800; color: var(--text-primary); }
.logo-text span { color: var(--neon-blue); }
.logo img { max-height: 40px; width: auto; }
.nav-links { display: flex; align-items: center; gap: var(--space-1); }
.nav-links a { color: var(--text-muted); font-size: 0.9375rem; font-weight: 500; text-decoration: none; padding: var(--space-2) var(--space-4); border-radius: var(--radius-md); transition: all 0.2s; }
.nav-links a:hover, .nav-links a.current-menu-item { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-links li { list-style: none; }
.nav-links ul { display: flex; align-items: center; gap: var(--space-1); list-style: none; }
.header-search {
  flex: 1; max-width: 380px; display: flex; align-items: center; gap: var(--space-3);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--radius-full); padding: 0.5rem 1rem; transition: all 0.2s; position: relative;
}
.header-search:focus-within { border-color: var(--border-glow); box-shadow: 0 0 0 3px rgba(0,229,255,0.08); }
.header-search input { background: transparent; border: none; outline: none; color: var(--text-primary); font-size: 0.9rem; width: 100%; }
.header-search input::placeholder { color: var(--text-dim); }
.search-icon { color: var(--text-dim); flex-shrink: 0; }
.header-actions { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; flex-shrink: 0; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--electric-purple), var(--neon-blue)); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; cursor: pointer; border: 2px solid transparent; transition: border-color 0.2s; }
.avatar:hover { border-color: var(--neon-blue); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: var(--space-2); background: transparent; border: none; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Search Suggestions Dropdown */
.search-suggestions {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; z-index: 100;
  box-shadow: var(--shadow-card);
}
.search-suggestion-item {
  display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4);
  text-decoration: none; color: var(--text-primary); font-size: 0.9rem;
  transition: background 0.15s; cursor: pointer;
}
.search-suggestion-item:hover { background: rgba(255,255,255,0.05); }
.search-suggestion-item img { width: 40px; height: 30px; object-fit: cover; border-radius: var(--radius-sm); }

/* Mobile Menu */
.mobile-menu {
  position: fixed; top: 0; right: -280px; width: 280px; height: 100vh;
  background: var(--bg-surface); border-left: 1px solid var(--border);
  z-index: 999; padding: calc(var(--header-height) + var(--space-6)) var(--space-6) var(--space-6);
  transition: right 0.3s ease; overflow-y: auto;
}
.mobile-menu.open { right: 0; }
.mobile-menu nav a { display: block; color: var(--text-muted); text-decoration: none; padding: var(--space-3) 0; font-size: 1rem; border-bottom: 1px solid var(--border); transition: color 0.2s; }
.mobile-menu nav a:hover { color: var(--neon-blue); }
.mobile-menu nav ul { list-style: none; }
.mobile-menu nav li a { display: block; color: var(--text-muted); text-decoration: none; padding: var(--space-3) 0; font-size: 1rem; border-bottom: 1px solid var(--border); transition: color 0.2s; }

/* =============================================
   HERO SECTION
   ============================================= */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: calc(var(--header-height) + var(--space-8)); padding-bottom: var(--space-16); }
.hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0,229,255,0.12), transparent 60%), radial-gradient(ellipse 60% 50% at 80% 80%, rgba(123,97,255,0.1), transparent 50%), linear-gradient(180deg, var(--bg-deep), #111520); }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(0,229,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(0,229,255,0.04) 1px, transparent 1px); background-size: 60px 60px; mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%); }
.shapes-container { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.shape { position: absolute; border-radius: 50%; animation: float 8s ease-in-out infinite; }
.shape-1 { width: 300px; height: 300px; right: 8%; top: 15%; background: radial-gradient(circle, rgba(0,229,255,0.15), transparent 70%); animation-delay: 0s; }
.shape-2 { width: 200px; height: 200px; right: 20%; top: 50%; background: radial-gradient(circle, rgba(123,97,255,0.2), transparent 70%); animation-delay: -3s; }
.shape-3 { width: 150px; height: 150px; left: 5%; top: 30%; background: radial-gradient(circle, rgba(163,255,18,0.1), transparent 70%); animation-delay: -5s; }
@keyframes float { 0%,100%{transform:translateY(0) scale(1);} 50%{transform:translateY(-30px) scale(1.05);} }
.wireframe-cube { position: absolute; right: 10%; top: 20%; width: 220px; height: 220px; animation: rotate3d 20s linear infinite; }
.cube-svg { width: 100%; height: 100%; opacity: 0.3; }
@keyframes rotate3d { from{transform:rotateX(0) rotateY(0) rotateZ(0);} to{transform:rotateX(360deg) rotateY(360deg) rotateZ(180deg);} }

.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-badge { display: inline-flex; align-items: center; gap: var(--space-2); background: rgba(0,229,255,0.06); border: 1px solid rgba(0,229,255,0.25); padding: 0.5rem 1.25rem; border-radius: var(--radius-full); font-size: 0.8125rem; font-weight: 600; color: var(--neon-blue); margin-bottom: var(--space-6); letter-spacing: 0.04em; animation: fadeInDown 0.6s ease both; }
.hero h1 { animation: fadeInUp 0.7s ease 0.1s both; margin-bottom: var(--space-5); }
.hero-subtitle { font-size: 1.25rem; color: var(--text-muted); max-width: 540px; animation: fadeInUp 0.7s ease 0.2s both; margin-bottom: var(--space-8); }
.hero-search-wrap { animation: fadeInUp 0.7s ease 0.3s both; margin-bottom: var(--space-6); }
.hero-search { display: flex; align-items: center; gap: var(--space-3); background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-full); padding: 0.5rem 0.5rem 0.5rem 1.5rem; max-width: 620px; transition: all 0.3s; box-shadow: 0 8px 40px rgba(0,0,0,0.3); }
.hero-search:focus-within { border-color: rgba(0,229,255,0.4); box-shadow: 0 0 0 4px rgba(0,229,255,0.08), 0 8px 40px rgba(0,0,0,0.4); }
.hero-search input { flex: 1; background: transparent; border: none; outline: none; font-size: 1rem; color: var(--text-primary); min-width: 0; }
.hero-search input::placeholder { color: var(--text-dim); }
.search-tags { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-3); align-items: center; }
.search-tag { font-size: 0.8rem; color: var(--text-muted); cursor: pointer; padding: 0.25rem 0.75rem; border-radius: var(--radius-full); border: 1px solid var(--border); transition: all 0.2s; }
.search-tag:hover { border-color: var(--border-glow); color: var(--neon-blue); }
.hero-actions { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; animation: fadeInUp 0.7s ease 0.4s both; }
.hero-stats { display: flex; gap: var(--space-8); margin-top: var(--space-10); padding-top: var(--space-8); border-top: 1px solid var(--border); animation: fadeInUp 0.7s ease 0.5s both; flex-wrap: wrap; }
.stat-number { font-family: var(--font-display); font-size: 2rem; font-weight: 800; }
.stat-label { font-size: 0.875rem; color: var(--text-dim); }

@keyframes fadeInDown { from{opacity:0;transform:translateY(-20px);} to{opacity:1;transform:translateY(0);} }
@keyframes fadeInUp { from{opacity:0;transform:translateY(30px);} to{opacity:1;transform:translateY(0);} }

/* =============================================
   CATEGORY CARDS
   ============================================= */
.category-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-card); border: 1px solid var(--border); cursor: pointer; text-decoration: none; display: block; transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); aspect-ratio: 1; }
.category-card:hover { transform: translateY(-6px) scale(1.02); border-color: var(--border-glow); box-shadow: var(--shadow-glow-blue); }
.category-card::before { content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity 0.3s; }
.category-card:hover::before { opacity: 1; }
.cat-nature::before { background: radial-gradient(circle at 50% 50%, rgba(163,255,18,0.15), transparent 70%); }
.cat-vehicles::before { background: radial-gradient(circle at 50% 50%, rgba(0,229,255,0.15), transparent 70%); }
.cat-characters::before { background: radial-gradient(circle at 50% 50%, rgba(255,100,200,0.15), transparent 70%); }
.cat-arch::before { background: radial-gradient(circle at 50% 50%, rgba(255,180,50,0.15), transparent 70%); }
.cat-weapons::before { background: radial-gradient(circle at 50% 50%, rgba(255,80,80,0.15), transparent 70%); }
.cat-furniture::before { background: radial-gradient(circle at 50% 50%, rgba(123,97,255,0.15), transparent 70%); }
.category-card-inner { position: relative; z-index: 1; padding: var(--space-5); height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
.cat-emoji { font-size: 2.5rem; margin-bottom: var(--space-2); display: block; transition: transform 0.3s; }
.category-card:hover .cat-emoji { transform: scale(1.2) rotate(-5deg); }
.cat-title { font-family: var(--font-display); font-weight: 700; font-size: 1rem; margin-bottom: var(--space-1); }
.cat-count { font-size: 0.8rem; color: var(--text-dim); }
.cat-arrow { opacity: 0; transform: translateX(-8px); transition: all 0.3s; color: var(--neon-blue); font-size: 1.25rem; }
.category-card:hover .cat-arrow { opacity: 1; transform: translateX(0); }

/* =============================================
   MODEL CARDS
   ============================================= */
.model-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1); }
.model-card:hover { transform: translateY(-8px); border-color: rgba(0,229,255,0.2); box-shadow: 0 20px 60px rgba(0,0,0,0.5), var(--shadow-glow-blue); }
.model-thumb { position: relative; aspect-ratio: 4/3; overflow: hidden; background: linear-gradient(135deg, #1A1D26, #252838); }
.model-thumb-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.model-card:hover .model-thumb-img { transform: scale(1.07); }
.thumb-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 4rem; background: linear-gradient(135deg, var(--bg-surface), var(--bg-elevated)); }
.model-badge { position: absolute; top: var(--space-3); left: var(--space-3); background: rgba(0,0,0,0.6); backdrop-filter: blur(10px); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.25rem 0.625rem; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.badge-trending { color: var(--lime-green); border-color: rgba(163,255,18,0.3); }
.badge-new { color: var(--neon-blue); border-color: var(--border-glow); }
.badge-featured { color: #FFD700; border-color: rgba(255,215,0,0.3); }
.thumb-actions { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: var(--space-3); opacity: 0; transform: translateY(10px); transition: all 0.3s; background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); }
.model-card:hover .thumb-actions { opacity: 1; transform: translateY(0); }
.model-body { padding: var(--space-5); }
.model-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-2); }
.model-category { font-size: 0.75rem; font-weight: 600; color: var(--neon-blue); text-transform: uppercase; letter-spacing: 0.06em; }
.model-title { font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem; margin-bottom: var(--space-3); line-height: 1.3; }
.model-title a { color: var(--text-primary); text-decoration: none; transition: color 0.2s; }
.model-title a:hover { color: var(--neon-blue); }
.model-formats { display: flex; gap: var(--space-1); flex-wrap: wrap; margin-bottom: var(--space-4); }
.format-tag { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.05em; padding: 0.2rem 0.5rem; border-radius: var(--radius-sm); text-transform: uppercase; border: 1px solid transparent; }
.fmt-fbx { background: rgba(255,170,0,0.12); color: #FFAA00; border-color: rgba(255,170,0,0.25); }
.fmt-obj { background: rgba(0,229,255,0.1); color: var(--neon-blue); border-color: var(--border-glow); }
.fmt-blend { background: rgba(255,130,50,0.12); color: #FF8232; border-color: rgba(255,130,50,0.25); }
.fmt-stl { background: rgba(200,200,200,0.08); color: #CCC; border-color: rgba(255,255,255,0.15); }
.fmt-gltf { background: rgba(163,255,18,0.1); color: var(--lime-green); border-color: rgba(163,255,18,0.25); }
.fmt-dae { background: rgba(150,100,255,0.12); color: #9664FF; border-color: rgba(150,100,255,0.25); }
.model-footer { display: flex; align-items: center; justify-content: space-between; }
.model-stats { display: flex; align-items: center; gap: var(--space-3); }
.dl-count { font-size: 0.8125rem; color: var(--text-dim); display: flex; align-items: center; gap: 4px; }

/* =============================================
   FILTER BAR
   ============================================= */
.filter-bar { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: var(--space-5) var(--space-6); display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-8); }
.filter-group { display: flex; align-items: center; gap: var(--space-2); }
.filter-label { font-size: 0.8rem; font-weight: 600; color: var(--text-dim); white-space: nowrap; text-transform: uppercase; letter-spacing: 0.06em; }
.filter-select { background: var(--bg-card); border: 1px solid var(--border); color: var(--text-primary); border-radius: var(--radius-md); padding: 0.4rem 0.75rem; font-size: 0.875rem; cursor: pointer; outline: none; transition: border-color 0.2s; -webkit-appearance: none; appearance: none; padding-right: 2rem; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6E8A' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.5rem center; }
.filter-select:focus { border-color: var(--border-glow); }
.filter-toggle { display: flex; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.toggle-btn { padding: 0.4rem 0.875rem; font-size: 0.8125rem; font-weight: 600; cursor: pointer; border: none; background: transparent; color: var(--text-muted); transition: all 0.2s; }
.toggle-btn.active { background: var(--neon-blue); color: #000; }
.filter-divider { width: 1px; height: 32px; background: var(--border); flex-shrink: 0; }
.filter-bar-right { margin-left: auto; display: flex; gap: var(--space-2); }
.filter-loading { display: flex; align-items: center; gap: var(--space-3); justify-content: center; padding: var(--space-8); color: var(--text-muted); }
.spinner { width: 24px; height: 24px; border: 2px solid var(--border); border-top-color: var(--neon-blue); border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* =============================================
   ARCHIVE HEADER
   ============================================= */
.archive-header { padding: var(--space-10) 0; background: linear-gradient(180deg, rgba(0,229,255,0.04), transparent); border-bottom: 1px solid var(--border); margin-bottom: var(--space-10); }
.archive-header-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-4); flex-wrap: wrap; }
.archive-header-stats { text-align: right; }
.archive-header-stats .stat-number { color: var(--neon-blue); }

/* =============================================
   SINGLE MODEL PAGE
   ============================================= */
.model-page-grid { display: grid; grid-template-columns: 1fr 380px; gap: var(--space-8); }
.model-gallery { border-radius: var(--radius-xl); overflow: hidden; background: var(--bg-surface); border: 1px solid var(--border); }
.main-preview { aspect-ratio: 16/10; background: linear-gradient(135deg, #161924, #1E2236); display: flex; align-items: center; justify-content: center; font-size: 8rem; position: relative; overflow: hidden; }
.viewer-badge { position: absolute; top: var(--space-4); right: var(--space-4); background: rgba(0,229,255,0.1); border: 1px solid var(--border-glow); color: var(--neon-blue); padding: 0.375rem 0.875rem; border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; display: flex; align-items: center; gap: var(--space-1); }
.thumbs-row { display: flex; gap: var(--space-3); padding: var(--space-4); flex-wrap: wrap; }
.thumb-mini { width: 80px; height: 60px; border-radius: var(--radius-md); overflow: hidden; border: 2px solid transparent; cursor: pointer; transition: border-color 0.2s; background: var(--bg-card); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; flex-shrink: 0; }
.thumb-mini.active { border-color: var(--neon-blue); }
.thumb-mini:hover { border-color: var(--border-glow); }
.thumb-mini img { width: 100%; height: 100%; object-fit: cover; }
.model-info-panel { display: flex; flex-direction: column; gap: var(--space-5); }
.info-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: var(--space-6); }
.model-page-title { font-family: var(--font-display); font-size: 1.875rem; font-weight: 800; line-height: 1.2; margin-bottom: var(--space-3); }
.model-page-stats { display: flex; gap: var(--space-5); margin-bottom: var(--space-5); flex-wrap: wrap; }
.model-page-stat { display: flex; align-items: center; gap: var(--space-2); font-size: 0.875rem; color: var(--text-muted); }
.specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.spec-item { background: var(--bg-surface); border-radius: var(--radius-md); padding: var(--space-3); }
.spec-key { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); margin-bottom: 4px; }
.spec-val { font-weight: 600; font-size: 0.9375rem; }
.download-btn-wrap { position: relative; overflow: hidden; border-radius: var(--radius-lg); }
.download-btn-wrap .btn-download { width: 100%; justify-content: center; font-size: 1.0625rem; padding: 1rem 2rem; border-radius: var(--radius-lg); }
.download-shine { position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent); animation: shine 2.5s ease-in-out infinite; pointer-events: none; }
@keyframes shine { from{transform:translateX(-100%);} to{transform:translateX(200%);} }
.download-options { display: flex; flex-direction: column; gap: var(--space-2); }
.download-options .btn-download { border-radius: var(--radius-lg); }

/* Model description content */
.model-description { color: var(--text-muted); line-height: 1.8; }
.model-description h1,.model-description h2,.model-description h3,.model-description h4 { font-family: var(--font-display); color: var(--text-primary); margin: var(--space-5) 0 var(--space-3); }
.model-description p { margin-bottom: var(--space-4); }
.model-description a { color: var(--neon-blue); }
.model-description ul,.model-description ol { padding-left: var(--space-5); margin-bottom: var(--space-4); }
.model-description li { margin-bottom: var(--space-1); }

/* =============================================
   GLASSMORPHISM
   ============================================= */
.glass { background: rgba(30,33,48,0.7); backdrop-filter: blur(20px); border: 1px solid var(--border); border-radius: var(--radius-lg); }

/* =============================================
   NEWSLETTER
   ============================================= */
.newsletter-section { background: linear-gradient(135deg, rgba(0,229,255,0.05), rgba(123,97,255,0.08)); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: var(--space-16) var(--space-12); text-align: center; position: relative; overflow: hidden; }
.newsletter-section::before { content: ''; position: absolute; top: -50%; left: 50%; transform: translateX(-50%); width: 600px; height: 400px; border-radius: 50%; background: radial-gradient(ellipse, rgba(0,229,255,0.06), transparent 70%); }
.newsletter-form { display: flex; gap: var(--space-3); max-width: 480px; margin: var(--space-6) auto 0; }
.newsletter-form.mc4wp-form { display: flex; }
.newsletter-input { flex: 1; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: var(--radius-full); padding: 0.75rem 1.25rem; color: var(--text-primary); font-size: 0.9375rem; outline: none; transition: border-color 0.2s; }
.newsletter-input:focus { border-color: var(--border-glow); }
.newsletter-input::placeholder { color: var(--text-dim); }

/* =============================================
   AD BANNERS
   ============================================= */
.ad-banner { background: repeating-linear-gradient(45deg, rgba(255,255,255,0.01), rgba(255,255,255,0.01) 10px, transparent 10px, transparent 20px); border: 1px dashed rgba(255,255,255,0.08); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; color: var(--text-dim); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; padding: var(--space-5); margin-bottom: var(--space-6); min-height: 90px; }

/* =============================================
   BREADCRUMBS
   ============================================= */
.breadcrumbs { display: flex; align-items: center; gap: var(--space-2); font-size: 0.8125rem; color: var(--text-dim); flex-wrap: wrap; margin-bottom: var(--space-4); }
.breadcrumbs a { color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.breadcrumbs a:hover { color: var(--neon-blue); }
.bc-sep { color: var(--text-dim); margin: 0 var(--space-1); }
.breadcrumbs span { color: var(--neon-blue); }

/* =============================================
   PAGINATION
   ============================================= */
.pagination-wrap { margin-top: var(--space-10); display: flex; justify-content: center; }
.pagination-wrap ul { display: flex; gap: var(--space-2); list-style: none; flex-wrap: wrap; justify-content: center; }
.pagination-wrap ul li a, .pagination-wrap ul li span { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: var(--radius-md); background: var(--bg-card); border: 1px solid var(--border); color: var(--text-muted); text-decoration: none; font-weight: 600; font-size: 0.9rem; transition: all 0.2s; }
.pagination-wrap ul li a:hover { border-color: var(--border-glow); color: var(--neon-blue); }
.pagination-wrap ul li span.current { background: var(--neon-blue); color: #000; border-color: var(--neon-blue); }
.pagination-wrap ul li a[rel] { width: auto; padding: 0 var(--space-4); }

/* =============================================
   FOOTER
   ============================================= */
.site-footer { background: #0C0E14; border-top: 1px solid var(--border); padding: var(--space-16) 0 var(--space-8); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--space-8); margin-bottom: var(--space-10); }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; margin-top: var(--space-4); max-width: 280px; }
.footer-heading { font-family: var(--font-display); font-size: 0.875rem; font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-4); text-transform: uppercase; letter-spacing: 0.08em; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--neon-blue); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: var(--space-6); border-top: 1px solid var(--border); flex-wrap: wrap; gap: var(--space-3); }
.footer-bottom p { color: var(--text-dim); font-size: 0.8125rem; }
.social-links { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.social-btn { width: 36px; height: 36px; border-radius: var(--radius-md); background: var(--bg-card); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 14px; cursor: pointer; transition: all 0.2s; text-decoration: none; color: var(--text-muted); }
.social-btn:hover { border-color: var(--border-glow); background: rgba(0,229,255,0.08); transform: translateY(-2px); color: var(--neon-blue); }

/* =============================================
   NO RESULTS
   ============================================= */
.no-results { text-align: center; padding: var(--space-16); color: var(--text-muted); }
.no-results p { margin-bottom: var(--space-5); font-size: 1.125rem; }
.no-models-placeholder { grid-column: 1 / -1; text-align: center; padding: var(--space-16); color: var(--text-dim); background: var(--bg-card); border-radius: var(--radius-lg); border: 1px dashed var(--border); }

/* =============================================
   WIDGET STYLES
   ============================================= */
.widget { margin-bottom: var(--space-6); }
.widget-title { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-bottom: var(--space-4); color: var(--text-primary); }
.widget ul { list-style: none; }
.widget ul li { padding: var(--space-2) 0; border-bottom: 1px solid var(--border); }
.widget ul li a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.widget ul li a:hover { color: var(--neon-blue); }

/* =============================================
   CARD SCROLL ANIMATION
   ============================================= */
.model-card, .category-card { opacity: 0; animation: none; }
.model-card.visible, .category-card.visible { animation: fadeInUp 0.6s ease forwards; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1200px) {
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .model-page-grid { grid-template-columns: 1fr 340px; }
}

@media (max-width: 1024px) {
  .nav-links, .header-search { display: none; }
  .hamburger { display: flex; }
  .model-page-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .wireframe-cube { width: 160px; height: 160px; right: 5%; }
}

@media (max-width: 768px) {
  :root { --space-20: 48px; --space-16: 40px; }
  .grid-6, .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .container { padding: 0 var(--space-5); }
  .hero { padding-top: calc(var(--header-height) + var(--space-4)); }
  .hero-stats { gap: var(--space-5); }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-divider { width: auto; height: 1px; }
  .filter-bar-right { margin-left: 0; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .newsletter-section { padding: var(--space-10) var(--space-5); }
  .newsletter-form { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .grid-6, .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero-search { flex-wrap: wrap; border-radius: var(--radius-xl); padding: var(--space-4); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .specs-grid { grid-template-columns: 1fr; }
}

/* =============================================
   PRINT
   ============================================= */
@media print {
  .site-header, .hero-grid, .shapes-container, .filter-bar, .scroll-progress, .announce-bar, .mobile-menu { display: none; }
  body { background: white; color: black; }
}