@import url('https://fonts.googleapis.com/css2?family=Syne:wght@700;800&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', 'JetBrains Mono', monospace;

  --bg:           #070c18;
  --bg-surface:   #0d1829;
  --bg-card:      #111f35;
  --bg-card-hover:#152640;

  --border:       #1e3350;
  --border-subtle:#172a42;

  --text:         #e8f0fe;
  --muted:        #8faebf;
  --text-muted:   #546e80;
  --text-label:   #a0c4d8;
  --heading:      #f0f4ff;

  --accent:       #22d3a0;
  --accent-lt:    #4eedc0;
  --accent-dim:   #15a87e;
  --accent-glow:  rgba(34, 211, 160, 0.12);

  --radius-sm:    4px;
  --radius:       8px;
  --radius-lg:    12px;
  --radius-xl:    16px;

  --shadow-card:  0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow:  0 0 40px var(--accent-glow);

  --max-w:        1100px;
  --section-pad:  5rem 1.5rem;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--heading);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 700; }

code, pre, .mono {
  font-family: var(--font-mono);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}