:root {
  --bg: #0A0A0F;
  --bg-elev: #13131A;
  --border: #23232E;
  --text: #F5F5F7;
  --text-muted: #9A9AA8;
  --accent: #00E5FF;
  --accent-dim: rgba(0, 229, 255, 0.15);
  --radius: 14px;
  --max-width: 1080px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

.navbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; text-decoration: none; color: var(--text); }
.logo-accent { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-size: 0.95rem; font-weight: 500; color: var(--text-muted); text-decoration: none;
  transition: color 0.15s ease;
}
.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--accent); }
.badge {
  font-size: 0.78rem; font-weight: 600; color: var(--accent);
  background: var(--accent-dim); border: 1px solid rgba(0, 229, 255, 0.3);
  padding: 6px 12px; border-radius: 999px;
}

.btn {
  font-family: inherit; font-size: 1rem; font-weight: 600; border: none; cursor: pointer;
  border-radius: var(--radius);
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary {
  background: var(--accent); color: #001318; padding: 16px 40px;
  box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 229, 255, 0.4); }
.btn-primary:active { transform: translateY(0); }

.hero { position: relative; text-align: center; padding: 120px 24px 100px; overflow: hidden; }
.hero-glow {
  position: absolute; top: -160px; left: 50%; transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.18) 0%, rgba(0, 229, 255, 0) 60%);
  pointer-events: none; z-index: 0;
}
.hero-inner { position: relative; z-index: 1; }
.hero-title {
  font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 800; letter-spacing: -0.03em;
  line-height: 1.08; max-width: 900px; margin: 0 auto 24px;
}
.accent { color: var(--accent); }
.hero-subtitle { font-size: 1.15rem; color: var(--text-muted); max-width: 620px; margin: 0 auto 40px; }

.features { padding: 80px 0 100px; border-top: 1px solid var(--border); }
.section-title { text-align: center; font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 48px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 32px; transition: border-color 0.2s ease, transform 0.2s ease;
}
.feature-card:hover { border-color: rgba(0, 229, 255, 0.4); transform: translateY(-4px); }
.feature-icon { font-size: 2.2rem; margin-bottom: 18px; }
.feature-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); }

.page-hero { position: relative; text-align: center; padding: 96px 24px 64px; overflow: hidden; border-bottom: 1px solid var(--border); }
.page-hero .hero-glow { top: -200px; }
.eyebrow {
  display: inline-block; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.page-title {
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; letter-spacing: -0.03em;
  line-height: 1.1; max-width: 820px; margin: 0 auto 20px;
}
.lead { font-size: 1.15rem; color: var(--text-muted); max-width: 680px; margin: 0 auto; }

.about-section { padding: 72px 0; border-bottom: 1px solid var(--border); }
.about-section:last-of-type { border-bottom: none; }
.about-section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.about-section p { color: var(--text-muted); margin-bottom: 16px; max-width: 720px; }
.about-section p strong { color: var(--text); font-weight: 600; }

.prose-narrow { max-width: 720px; }

.audience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 32px; }
.audience-card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px;
}
.audience-card .feature-icon { margin-bottom: 14px; }
.audience-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.audience-card p { color: var(--text-muted); margin: 0; }
.audience-card ul { list-style: none; margin: 14px 0 0; padding: 0; }
.audience-card li { color: var(--text-muted); padding: 6px 0 6px 24px; position: relative; }
.audience-card li::before { content: "\2192"; position: absolute; left: 0; color: var(--accent); }

.vision {
  margin-top: 32px; background: linear-gradient(180deg, rgba(0,229,255,0.06), rgba(0,229,255,0));
  border: 1px solid rgba(0, 229, 255, 0.25); border-radius: var(--radius); padding: 40px;
}
.vision p { color: var(--text); font-size: 1.15rem; margin: 0; }
.vision p .accent { font-weight: 700; }

.footer { border-top: 1px solid var(--border); padding: 40px 0; background: var(--bg); }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.footer-text { color: var(--text-muted); font-size: 0.92rem; }

.toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--bg-elev); border: 1px solid var(--accent); color: var(--text);
  padding: 14px 24px; border-radius: var(--radius); font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: 0 10px 40px rgba(0, 229, 255, 0.25); z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.explore-section { padding: 56px 0 100px; }
.explore-controls { display: flex; flex-direction: column; gap: 24px; margin-bottom: 44px; }

.search-bar { position: relative; max-width: 560px; width: 100%; margin: 0 auto; }
.search-bar .search-icon { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); font-size: 1.1rem; opacity: 0.55; pointer-events: none; }
.search-bar input {
  width: 100%; font-family: inherit; font-size: 1rem; color: var(--text);
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 999px;
  padding: 15px 20px 15px 48px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-bar input::placeholder { color: var(--text-muted); }
.search-bar input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }

.category-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.category-btn {
  font-family: inherit; font-size: 0.92rem; font-weight: 500; color: var(--text-muted);
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 999px;
  padding: 10px 20px; cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.category-btn:hover { color: var(--text); border-color: rgba(0, 229, 255, 0.4); }
.category-btn.active { color: #001318; background: var(--accent); border-color: var(--accent); font-weight: 600; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 22px; }
.product-card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: border-color 0.2s ease, transform 0.2s ease;
}
.product-card:hover { border-color: rgba(0, 229, 255, 0.4); transform: translateY(-4px); }
.product-img {
  aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center;
  font-size: 3.4rem;
  background:
    radial-gradient(circle at 30% 30%, rgba(0, 229, 255, 0.10), transparent 60%),
    linear-gradient(135deg, #15151d, #0d0d12);
  border-bottom: 1px solid var(--border);
}
.product-body { padding: 18px 18px 20px; }
.product-cat { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.product-name { font-size: 1.08rem; font-weight: 600; margin: 6px 0 14px; }
.product-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.product-maker { font-size: 0.88rem; color: var(--text-muted); }
.product-price { font-size: 1.08rem; font-weight: 700; color: var(--text); white-space: nowrap; }

.no-results { text-align: center; color: var(--text-muted); padding: 32px 0 64px; font-size: 1.05rem; }
.no-results[hidden] { display: none; }

@media (max-width: 640px) {
  .feature-grid, .audience-grid { grid-template-columns: 1fr; }
  .hero { padding: 80px 24px 70px; }
  .nav-right { gap: 18px; }
  .badge { display: none; }
  .explore-section { padding: 40px 0 80px; }
  .search-bar { max-width: 100%; }
}