/* ===============================
   ROOT VARIABLES
================================ */
:root {
  --bg-dark: #0b0f14;
  --bg-light: #f8fafc;
  --primary: #2563eb;
  --accent: #38bdf8;
  --text-dark: #0f172a;
  --text-light: #e5e7eb;
  --muted: #9ca3af;
  --radius: 16px;
  --transition: all 0.4s ease;
  --shadow-soft: 0 10px 30px rgba(0,0,0,0.25);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.6;
}



/* ===============================
   LAYOUT UTILITIES
================================ */

.container {
  width: min(1200px, 90%);
  margin-inline: auto;
}

.light {
  background: var(--bg-light);
  color: var(--text-dark);
}

.section-title {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--muted);
  max-width: 60ch;
  margin-bottom: 3rem;
}

.side-by-side {
  display: flex;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}