:root {
  --bg-void: #020408;
  --bg-dark: #08101a;
  --bg-panel: rgba(16, 28, 48, 0.65);
  --text-light: #f7fafc;
  --text-muted: #90a4b8;
  --accent-green: #00d68f;
  --accent-amber: #ffb020;
  --accent-blue: #4dabff;
  --glow-green: 0 0 50px rgba(0, 214, 143, 0.22);
  --glow-amber: 0 0 50px rgba(255, 176, 32, 0.22);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-void);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--accent-green); text-decoration: none; transition: 0.2s; }
a:hover { color: var(--accent-amber); }

nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 1rem 5%; display: flex; justify-content: space-between; align-items: center;
  background: rgba(2, 4, 8, 0.6);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0, 214, 143, 0.12);
  transition: padding 0.3s, background 0.3s;
}
nav.scrolled { padding: 0.6rem 5%; background: rgba(2, 4, 8, 0.95); }

.logo { font-weight: 900; font-size: 1.4rem; letter-spacing: -0.04em; color: #fff; }
.logo span { color: var(--accent-green); }

.nav-links { display: flex; gap: 1.6rem; list-style: none; }
.nav-links a { color: var(--text-muted); font-weight: 500; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.07em; }
.nav-links a:hover { color: var(--accent-green); }

.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; padding: 8rem 5% 5rem;
  background: radial-gradient(circle at 70% 20%, rgba(0, 214, 143, 0.12) 0%, transparent 40%),
              radial-gradient(circle at 20% 80%, rgba(77, 171, 255, 0.08) 0%, transparent 40%),
              var(--bg-void);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0; opacity: 0.6;
  background-size: cover; background-position: center;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.2) 70%, transparent 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 1100px; text-align: center; }
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.4rem); font-weight: 900; line-height: 1.05;
  letter-spacing: -0.05em; margin-bottom: 1.2rem;
}
.hero h1 span { color: var(--accent-green); }
.hero p { font-size: clamp(1.1rem, 2vw, 1.5rem); color: var(--text-muted); max-width: 760px; margin: 0 auto 2.5rem; }
.hero-tag {
  display: inline-block; padding: 0.4rem 1rem; border: 1px solid var(--accent-green);
  color: var(--accent-green); border-radius: 999px; font-size: 0.75rem; font-weight: 700;
  margin-bottom: 1.5rem; text-transform: uppercase; letter-spacing: 0.08em;
}

.cta {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 1rem 2.2rem;
  background: var(--accent-green); color: #000; font-weight: 800; border-radius: 4px;
  font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.06em;
  border: none; cursor: pointer; box-shadow: var(--glow-green); transition: transform 0.2s;
}
.cta:hover { transform: translateY(-2px); color: #000; }
.cta.secondary {
  background: transparent; color: var(--accent-blue); border: 1px solid var(--accent-blue);
  box-shadow: none; margin-left: 1rem;
}

section { padding: 5rem 5%; position: relative; }
.section-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 900; letter-spacing: -0.04em;
  margin-bottom: 1rem; text-align: center;
}
.section-subtitle { color: var(--text-muted); text-align: center; max-width: 720px; margin: 0 auto 3rem; font-size: 1.15rem; }

.stats-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem;
  max-width: 1100px; margin: 0 auto 4rem;
}
.stat-card {
  background: var(--bg-panel); border: 1px solid rgba(0, 214, 143, 0.12);
  border-radius: 12px; padding: 1.5rem; text-align: center;
}
.stat-card .number {
  font-size: 2.6rem; font-weight: 900; color: var(--accent-green);
  display: block; margin-bottom: 0.3rem;
}
.stat-card .label { color: var(--text-muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; max-width: 1200px; margin: 0 auto; }
.feature-card {
  background: var(--bg-panel); border: 1px solid rgba(255, 176, 32, 0.12);
  border-radius: 12px; padding: 2rem; backdrop-filter: blur(10px);
  transition: transform 0.3s, box-shadow 0.3s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--glow-amber); }
.feature-card h3 { font-size: 1.25rem; margin-bottom: 0.8rem; color: var(--accent-amber); }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }

.showcase-card {
  position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 16/9;
  border: 1px solid rgba(0, 214, 143, 0.12);
  max-width: 900px; margin: 0 auto;
}
.showcase-card img { width: 100%; height: 100%; object-fit: cover; }
.showcase-overlay {
  position: absolute; inset: 0; background: linear-gradient(to top, rgba(2,4,8,0.92) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 2rem;
}
.showcase-overlay h4 { font-size: 1.6rem; margin-bottom: 0.4rem; }
.showcase-overlay span { color: var(--text-muted); font-size: 1rem; }

.glass-panel {
  background: var(--bg-panel); border: 1px solid rgba(0, 214, 143, 0.12);
  border-radius: 16px; padding: 2rem; max-width: 1000px; margin: 0 auto;
  backdrop-filter: blur(12px);
}

.quote {
  font-size: 1.35rem; font-style: italic; color: var(--text-light); text-align: center;
  max-width: 760px; margin: 0 auto 1rem;
}
.quote-author { text-align: center; color: var(--accent-green); font-weight: 700; }

footer {
  border-top: 1px solid rgba(0, 214, 143, 0.12); padding: 3rem 5%; text-align: center;
  background: var(--bg-dark); color: var(--text-muted); font-size: 0.9rem;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 2.4rem; }
  .cta.secondary { margin-left: 0; margin-top: 1rem; }
}