:root {
  --csi-blue: #0A2463;
  --csi-electric: #1565C0;
  --csi-accent: #2979FF;
  --csi-light-blue: #E8F0FE;
  --white: #FFFFFF;
  --ink: #0D0D0D;
  --ink-2: #111111;
  --muted: #666666;
  --muted-2: #999999;
  --border: rgba(0,0,0,0.08);
  --border-strong: rgba(0,0,0,0.14);
  --glass: rgba(255,255,255,0.72);
  --glass-blur: blur(20px);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 40px rgba(0,0,0,0.10);
  --shadow-lg: 0 24px 80px rgba(0,0,0,0.14);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; background: #060e1c; }

body {
  font-family: var(--font-body);
  background: var(--white);
  
  background-image: linear-gradient(to bottom, var(--white) calc(100% - 200px), #060e1c 100%);
  background-attachment: local;
  color: var(--ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-weight: 450;
  font-size: 1rem;
  line-height: 1.7;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }



::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--csi-accent); border-radius: 2px; }



.display-xl {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 7vw, 7.5rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
}
.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--csi-accent);
}
.body-lg { font-size: 1.15rem; line-height: 1.7; color: var(--muted); font-weight: 450; }
.body-md { font-size: 1rem; line-height: 1.65; color: var(--muted); font-weight: 450; }



.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 4rem);
}
.section { padding: clamp(5rem, 10vw, 10rem) 0; }