:root {
    /* spacing scale for consistency */
    --space-1: 6px;
    --space-2: 10px;
    --space-3: 14px;
    --space-4: 18px;
    --space-5: 22px;
    --space-6: 28px;
    --space-7: 36px;
    --space-8: 48px;
  
    --nav-h: 64px;
  
    --bg: #0b0c0e;
    --fg: #e9eef4;
    --muted: #b4bec9;
    --card: #121418;
    --border: #1c1f25;
    --accent: #f48120; /* Cloudflare orange */
    --accent-weak: rgba(244,129,32,0.15);
    --shadow: 0 10px 24px rgba(0,0,0,0.28);
  }
  
  @media (prefers-color-scheme: light) {
    html[data-theme="system"] {
      --bg:#ffffff; --fg:#1a1f26; --muted:#475569;
      --card:#f7fafc; --border:#e5e7eb; --shadow:0 10px 24px rgba(2,6,23,0.06);
    }
  }
  html[data-theme="light"] { --bg:#ffffff; --fg:#1a1f26; --muted:#475569; --card:#f7fafc; --border:#e5e7eb; --shadow:0 10px 24px rgba(2,6,23,0.06);}
  html[data-theme="dark"]  { --bg:#0b0c0e; --fg:#e9eef4; --muted:#b4bec9; --card:#121418; --border:#1c1f25; --shadow:0 10px 24px rgba(0,0,0,0.28);}
  
  * { box-sizing: border-box; }
  html, body { height: 100%; }
  
  body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: Inter, sans-serif; /* Inter only */
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  }
  
  .container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
  
  /* NAV */
  .nav { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(140%) blur(8px); background: color-mix(in oklab, var(--bg), transparent 20%); border-bottom: 1px solid var(--border); }
  .nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--nav-h); gap: var(--space-3); }
  .brand { display: flex; align-items: center; gap: var(--space-2); font-weight: 700; letter-spacing: .2px; color: inherit; text-decoration: none; }
  .brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 6px var(--accent-weak); }
  .links a { color: var(--muted); text-decoration: none; margin: 0 var(--space-2); }
  .links a:hover { color: var(--fg); }
  .actions { display: flex; align-items: center; gap: var(--space-2); }
  .served-pill { font-size: 12px; padding: 6px 10px; border: 1px solid var(--border); border-radius: 999px; background: var(--card); color: var(--muted); }
  
  /* SECTION rhythm (consistent across the page) */
  .section { padding: clamp(var(--space-7), 6vw, var(--space-8)) 0; }
  .center { text-align: center; }
  .narrow { max-width: 860px; }
  
  /* HERO */
  .hero {
    background:
      radial-gradient(900px 360px at 10% -20%, var(--accent-weak), transparent 65%),
      radial-gradient(700px 280px at 90% -15%, var(--accent-weak), transparent 65%);
    border-bottom: 1px solid var(--border);
  }
  .hero-inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--space-6); align-items: center; }
  @media (max-width: 980px) { .hero-inner { grid-template-columns: 1fr; } }
  .hero-copy h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.1; margin: 0 0 var(--space-3); }
  .lead { font-size: 18px; color: var(--muted); margin: 0 0 var(--space-3); }
  
  /* hero stats */
  .hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-2); margin: 0 0 var(--space-3); }
  .stat { padding: var(--space-3); border: 1px solid var(--border); border-radius: 12px; background: var(--card); text-align: center; }
  .stat-num { font-weight: 700; }
  .stat-label { display: block; color: var(--muted); font-size: 12px; }
  
  /* hero bullets — tighter, even spacing */
  .hero-bullets { margin: 0 0 var(--space-4); padding-left: 18px; color: var(--muted); }
  .hero-bullets li + li { margin-top: var(--space-2); }  /* consistent gap */
  
  /* hero image */
  .hero-visual { position: relative; min-height: 220px; display: flex; align-items: stretch; }
  .hero-img { width: 100%; height: 100%; object-fit: cover; border-radius: 16px; box-shadow: var(--shadow); }
  
  /* Buttons */
  .btn, .btn-secondary, .btn-ghost {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 16px; border-radius: 10px; border: 1px solid transparent;
    font-weight: 600; text-decoration: none; cursor: pointer;
  }
  .btn { background: var(--accent); color: #111; }
  .btn:hover { filter: brightness(0.95); }
  .btn-secondary { border-color: var(--border); color: var(--fg); background: transparent; }
  .btn-secondary:hover { background: var(--card); }
  .btn-ghost { border-color: var(--border); background: transparent; color: var(--muted); }
  .btn-ghost:hover { color: var(--fg); }
  .cta-row { display: flex; gap: var(--space-2); flex-wrap: wrap; }
  
  /* Titles */
  .section-title { font-size: 26px; margin: 0 0 var(--space-2); }
  .section-sub { color: var(--muted); margin: 0 0 var(--space-5); }
  
  /* Grids — consistent gaps & card padding */
  .grid { display: grid; gap: var(--space-3); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
  @media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(3, minmax(0,1fr)); } }
  @media (max-width: 800px)  { .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); } .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
  @media (max-width: 520px)  { .grid-4, .grid-3 { grid-template-columns: 1fr; } }
  
  .card { padding: var(--space-4); background: var(--card); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }
  .card h3 { margin: 0 0 var(--space-2); font-size: 18px; }
  .card h4 { margin: 0 0 var(--space-1); font-size: 16px; }
  .card p  { margin: 0; color: var(--muted); }
  
  /* mini rows */
  .mini { margin-top: var(--space-4); }
  .mini-card { padding: var(--space-3); }
  
  /* Steps list — consistent spacing */
  .steps { display: grid; gap: var(--space-2); padding-left: 18px; text-align: left; margin: 0 auto; }
  .steps.big li { font-size: 18px; }
  .steps li::marker { color: var(--accent); font-weight: 700; }
  
  /* Alt background */
  .alt { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
  
  /* Footer — centered */
  .footer { border-top: 1px solid var(--border); }
  .footer-inner { display: flex; justify-content: center; padding: var(--space-3) 0; color: var(--muted); }