/* ============================================================
   variables.css — Design tokens & CSS reset
   Sudip Kumar Sah Portfolio
   ============================================================ */

/* ── GOOGLE FONTS ──────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@200;300;400;700;900&family=Instrument+Serif:ital@0;1&family=Inter:wght@300;400;500&display=swap');

/* ── TOKENS ────────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg:        #02030a;
  --bg2:       #080c18;
  --surface:   #0d1120;

  /* Accent — single ice-blue system */
  --accent:    #7dd3fc;
  --accent2:   #3b82f6;

  /* Text hierarchy — all high-contrast on dark bg */
  --white:     #ffffff;
  --off:       #e2e8f4;   /* primary headings / strong text   */
  --body-txt:  #b8c8e0;   /* body copy — readable on dark bg  */
  --muted:     #7a90b0;   /* secondary labels only            */

  /* Borders & ghosts */
  --ghost:     rgba(180, 210, 255, 0.08);
  --border:    rgba(125, 211, 252, 0.18);

  /* Typography */
  --serif:     'Instrument Serif', serif;
  --display:   'Unbounded', sans-serif;
  --body:      'Inter', sans-serif;

  /* Motion */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.4, 0, 1, 1);
}

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

html {
  overflow-x: hidden;
  scroll-behavior: auto; /* JS controls smooth scroll */
}

body {
  background: var(--bg);
  color: var(--off);
  font-family: var(--body);
  overflow-x: hidden;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; }