:root {
  --accent: #00A8CC;
  --accent-dark: #0090B0;
  --accent-glow: rgba(0,168,204,0.12);
  --accent-border: rgba(0,168,204,0.25);
  --bg: #080c10;
  --bg2: #0d1318;
  --bg3: #111820;
  --text: #f0f4f8;
  --muted: #8899aa;
  --faint: #556677;
  --border: rgba(255,255,255,0.06);
  --mono: 'Courier New', Courier, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; line-height: 1.6; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(8,12,16,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { font-weight: 800; font-size: 18px; letter-spacing: -0.02em; color: var(--text); }
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 13px; color: var(--muted); transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta {
  background: var(--accent); color: #080c10 !important; padding: 8px 20px;
  border-radius: 4px; font-weight: 700; font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; }

/* PAGE WRAPPER */
.page-content { padding-top: 64px; min-height: 100vh; }

/* SECTION */
.section { padding: 80px 40px; max-width: 1100px; margin: 0 auto; }
.section-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--accent); text-transform: uppercase; margin-bottom: 12px; }
.section-title { font-size: clamp(28px, 4vw, 48px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 16px; }
.section-sub { font-size: 17px; color: var(--muted); max-width: 580px; line-height: 1.7; margin-bottom: 48px; }

/* BUTTONS */
.btn-primary {
  background: var(--accent); color: #080c10; padding: 14px 32px;
  border-radius: 4px; font-weight: 700; font-size: 13px; letter-spacing: 0.06em;
  text-transform: uppercase; transition: background 0.2s, transform 0.2s; display: inline-block;
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--accent); padding: 14px 32px;
  border-radius: 4px; font-weight: 600; font-size: 13px; letter-spacing: 0.06em;
  text-transform: uppercase; border: 1px solid var(--accent-border);
  transition: border-color 0.2s, background 0.2s, transform 0.2s; display: inline-block;
}
.btn-outline:hover { border-color: var(--accent); background: var(--accent-glow); transform: translateY(-2px); }

/* CARDS */
.card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 28px; transition: border-color 0.2s;
}
.card:hover { border-color: var(--accent-border); }

/* GRID */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 20px; }

/* FOOTER */
footer {
  border-top: 1px solid var(--border); padding: 40px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
footer .nav-logo { font-size: 15px; }
footer p { font-size: 13px; color: var(--faint); }

/* BLOG POST */
.prose { max-width: 720px; margin: 0 auto; }
.prose h2 { font-size: 28px; font-weight: 700; margin: 40px 0 16px; }
.prose h3 { font-size: 20px; font-weight: 700; margin: 32px 0 12px; color: var(--accent); }
.prose p { color: var(--muted); line-height: 1.8; margin-bottom: 20px; font-size: 17px; }
.prose ul { color: var(--muted); padding-left: 24px; margin-bottom: 20px; }
.prose ul li { margin-bottom: 8px; line-height: 1.7; font-size: 16px; }
.prose strong { color: var(--text); }
.prose blockquote {
  border-left: 3px solid var(--accent); padding: 16px 24px;
  background: var(--bg2); border-radius: 0 8px 8px 0; margin: 28px 0;
  color: var(--text); font-size: 18px; font-style: italic;
}
.prose img { border-radius: 8px; margin: 32px 0; width: 100%; }
.prose .chart-wrap { background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; padding: 24px; margin: 32px 0; }

@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .section { padding: 60px 20px; }
  footer { padding: 28px 20px; flex-direction: column; text-align: center; }
}