/* ============================================================
   Side Quest Stack — Shared Stylesheet
   ============================================================ */

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a26;
  --border: #1e1e2e;
  --text: #e4e4ef;
  --text-dim: #8888a0;
  --accent: #6c5ce7;
  --accent-hover: #7d6ff0;
  --accent-glow: rgba(108, 92, 231, 0.15);
  --green: #00d68f;
  --green-dim: rgba(0, 214, 143, 0.1);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-display);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 1000;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   NAVIGATION
   ============================================================ */

nav {
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  position: sticky;
  top: 0;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo span {
  background: linear-gradient(135deg, var(--accent), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  background: var(--bg-card);
}

.nav-links .btn-nav {
  background: var(--accent);
  color: #fff !important;
  padding: 6px 16px;
  border-radius: 6px;
  font-weight: 500;
}

.nav-links .btn-nav:hover {
  background: var(--accent-hover) !important;
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green);
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.hero h1 .gradient {
  background: linear-gradient(135deg, var(--accent), #a78bfa, var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .tagline {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-stat {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-stat strong {
  color: var(--text);
  font-size: 0.9rem;
}

/* ============================================================
   SECTION LABELS
   ============================================================ */

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}

.section-header h2 {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ============================================================
   FILTERS
   ============================================================ */

.filters-section {
  padding: 24px 0 8px;
}

.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-btn {
  padding: 7px 16px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ============================================================
   PRODUCT GRID
   ============================================================ */

.products-section {
  padding: 16px 0 80px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108, 92, 231, 0.12);
}

.product-card-thumb {
  background: linear-gradient(135deg, var(--bg-card-hover), var(--bg));
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.product-card-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(108,92,231,0.08) 0%, transparent 70%);
}

.product-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-category-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
  width: fit-content;
}

.product-card h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  line-height: 1.3;
}

.product-card p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 16px;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-price {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--green);
}

.btn-view {
  padding: 7px 16px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.83rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-view:hover {
  background: var(--accent);
  color: #fff;
}

/* ============================================================
   PRODUCT PAGE
   ============================================================ */

.product-page {
  padding: 60px 0 100px;
}

.breadcrumb {
  font-size: 0.83rem;
  color: var(--text-dim);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb-sep {
  color: var(--border);
}

.product-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

.product-preview {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  position: relative;
  overflow: hidden;
}

.product-preview::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(108,92,231,0.1) 0%, transparent 70%);
}

.product-info {}

.product-info .category-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
  width: fit-content;
}

.product-info h1 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 12px;
}

.product-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 5px 10px;
  border-radius: 6px;
  font-weight: 500;
}

.badge-green {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(0, 214, 143, 0.2);
}

.badge-purple {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(108, 92, 231, 0.2);
}

.product-description {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 28px;
}

.features-heading {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

.features-list {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.features-list li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Sticky buy box */
.buy-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  position: sticky;
  top: 80px;
}

.buy-box-price {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.buy-box-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 24px;
  line-height: 1.5;
}

.btn-buy {
  display: block;
  width: 100%;
  padding: 14px 24px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 12px;
}

.btn-buy:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.buy-box-note {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-align: center;
  line-height: 1.4;
}

.buy-box-features {
  border-top: 1px solid var(--border);
  margin-top: 24px;
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.buy-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.83rem;
  color: var(--text-dim);
}

.buy-feature-icon {
  color: var(--green);
  font-size: 1rem;
  flex-shrink: 0;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.about-page {
  padding: 80px 0 100px;
  max-width: 680px;
}

.about-page h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  line-height: 1.15;
}

.about-page h1 .gradient {
  background: linear-gradient(135deg, var(--accent), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-page .lead {
  font-size: 1.15rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 40px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 20px;
}

.about-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.about-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  margin-top: auto;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.footer-logo span {
  background: linear-gradient(135deg, var(--accent), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ============================================================
   UTILITIES
   ============================================================ */

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 60px 0;
}

/* No results */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
  font-size: 0.95rem;
  display: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .product-layout {
    grid-template-columns: 1fr;
  }

  .buy-box {
    position: static;
  }

  .hero {
    padding: 60px 0 40px;
  }

  .nav-inner {
    padding: 0 16px;
  }

  .nav-logo {
    font-size: 1rem;
  }

  .nav-links {
    gap: 4px;
  }

  .nav-links a {
    font-size: 0.8rem;
    padding: 4px 8px;
  }

  .nav-links .btn-nav {
    display: none;
  }
}

@media (max-width: 540px) {
  .product-grid {
    grid-template-columns: 1fr;
  }

  .nav-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 10px 12px;
    gap: 4px;
  }

  .nav-logo {
    font-size: 0.95rem;
  }

  .nav-links {
    gap: 2px;
  }

  .nav-links a {
    font-size: 0.75rem;
    padding: 4px 6px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .top-banner {
    font-size: 0.8rem;
    padding: 6px 12px;
  }

  h1 {
    font-size: 2rem !important;
  }
}