/* ---------------------------------------------------------------------------
   Design System: Assist Gaming & Tech Studio (Cyber Glassmorphism)
--------------------------------------------------------------------------- */
:root {
  --bg-main: #090B14;
  --bg-card: rgba(26, 30, 54, 0.75);
  --bg-card-hover: rgba(35, 41, 74, 0.9);
  --accent-purple: #7C6CFF;
  --accent-cyan: #00E5FF;
  --accent-pink: #FF4D6D;
  --accent-gold: #FFD166;
  --text-main: #F3F4F8;
  --text-dim: #8E95B3;
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(124, 108, 255, 0.4);
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --glow-purple: 0 0 25px rgba(124, 108, 255, 0.35);
  --glow-cyan: 0 0 25px rgba(0, 229, 255, 0.3);
}

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

body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(circle at 20% 15%, rgba(124, 108, 255, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 80% 60%, rgba(0, 229, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(255, 77, 109, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------------------------------------------------------------------------
   Navigation Bar
--------------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(9, 11, 20, 0.85);
  border-bottom: 1px solid var(--border-glass);
  padding: 16px 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: var(--glow-purple);
}

.brand-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #FFFFFF, #B4C0FE);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s ease;
  padding: 6px 12px;
  border-radius: 8px;
}

.nav-links a:hover, .nav-links a.active {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.06);
}

/* ---------------------------------------------------------------------------
   Hero Section
--------------------------------------------------------------------------- */
.hero {
  padding: 80px 0 50px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124, 108, 255, 0.12);
  border: 1px solid rgba(124, 108, 255, 0.3);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-purple);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 18px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  max-width: 640px;
  margin: 0 auto 36px;
  color: var(--text-dim);
  font-size: 17px;
}

/* ---------------------------------------------------------------------------
   Filter & Search Bar
--------------------------------------------------------------------------- */
.catalog-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-glass);
}

.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  color: var(--text-dim);
  padding: 8px 18px;
  border-radius: 12px;
  font-family: inherit;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent-purple);
  color: #FFFFFF;
  border-color: var(--accent-purple);
  box-shadow: var(--glow-purple);
}

.search-box {
  position: relative;
  min-width: 260px;
}

.search-box input {
  width: 100%;
  background: rgba(26, 30, 54, 0.6);
  border: 1px solid var(--border-glass);
  padding: 10px 16px 10px 38px;
  border-radius: 12px;
  color: #FFFFFF;
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}

.search-box input:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 15px rgba(124, 108, 255, 0.25);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 14px;
}

/* ---------------------------------------------------------------------------
   Apps Grid & Cards
--------------------------------------------------------------------------- */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  margin-bottom: 70px;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  padding: 26px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-purple), var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.app-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), var(--glow-purple);
}

.app-card:hover::before {
  opacity: 1;
}

.card-top {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 16px;
}

.app-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-title-group {
  flex-grow: 1;
}

.card-badge {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(255, 209, 102, 0.15);
  border: 1px solid rgba(255, 209, 102, 0.4);
  color: var(--accent-gold);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 800;
  margin-bottom: 6px;
}

.app-name {
  font-size: 20px;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.25;
}

.app-rating {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-gold);
  margin-top: 4px;
}

.app-tagline {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 18px;
  line-height: 1.5;
}

.app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
}

.tag-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  color: #B4C0FE;
}

.card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px solid var(--border-glass);
}

.btn-primary {
  flex: 1;
  background: linear-gradient(135deg, var(--accent-purple), #6352E8);
  color: #FFFFFF;
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 16px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(124, 108, 255, 0.35);
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: scale(1.02);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 14px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
}

/* ---------------------------------------------------------------------------
   Features Banner
--------------------------------------------------------------------------- */
.tech-banner {
  background: linear-gradient(135deg, rgba(26, 30, 54, 0.8), rgba(15, 18, 34, 0.9));
  border: 1px solid var(--border-glass);
  border-radius: 28px;
  padding: 40px;
  margin-bottom: 70px;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.tech-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.tech-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(124, 108, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.tech-title {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 4px;
}

.tech-desc {
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------------------------------------------------------------------------
   Footer & Legal
--------------------------------------------------------------------------- */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-glass);
  background: rgba(9, 11, 20, 0.9);
  padding: 40px 0 30px;
  font-size: 14px;
  color: var(--text-dim);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

/* ---------------------------------------------------------------------------
   Responsive Adjustments
--------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .hero-title {
    font-size: 32px;
  }
  .apps-grid {
    grid-template-columns: 1fr;
  }
  .catalog-header {
    flex-direction: column;
    align-items: stretch;
  }
  .search-box {
    width: 100%;
  }
}