/* ============================================================
   INFOBRIDGEINDIA — Base / Reset / Typography / Utilities
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  line-height: var(--lh-normal);
  color: var(--ink-800);
  background: var(--surface-50);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
/* Safety default so any icon rendered without an explicit size (or a more
   specific component rule) still renders at a sane, text-relative size
   instead of the browser's intrinsic replaced-element default. */
svg { width: 1em; height: 1em; flex-shrink: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }

h1, h2, h3, h4 {
  font-weight: 650;
  letter-spacing: -0.012em;
  color: var(--ink-950);
  line-height: var(--lh-tight);
}

.h-display  { font-size: var(--fs-60); line-height: 1.05; letter-spacing: -0.02em; font-weight: 680; }
.h-1        { font-size: var(--fs-48); letter-spacing: -0.018em; font-weight: 660; }
.h-2        { font-size: var(--fs-40); letter-spacing: -0.016em; font-weight: 650; }
.h-3        { font-size: var(--fs-32); font-weight: 640; }
.h-4        { font-size: var(--fs-28); font-weight: 630; }
.h-5        { font-size: var(--fs-24); font-weight: 620; }
.h-6        { font-size: var(--fs-20); font-weight: 600; }

.text-lead  { font-size: var(--fs-20); line-height: var(--lh-relaxed); color: var(--ink-500); font-weight: 420; }
.text-body  { font-size: var(--fs-16); line-height: var(--lh-normal); color: var(--ink-600); }
.text-small { font-size: var(--fs-14); line-height: var(--lh-normal); color: var(--ink-500); }
.text-micro { font-size: var(--fs-12); line-height: var(--lh-normal); color: var(--ink-400); }
.text-muted { color: var(--ink-400); }
.text-brand { color: var(--brand-600); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-13);
  font-weight: 620;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-700);
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-500);
}

.mono, .figure {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}
@media (max-width: 640px) {
  .container { padding: 0 var(--sp-4); }
}

.section { padding: var(--sp-24) 0; }
.section-tight { padding: var(--sp-16) 0; }
@media (max-width: 900px) {
  .section { padding: var(--sp-16) 0; }
}

.stack-2 > * + * { margin-top: var(--sp-2); }
.stack-3 > * + * { margin-top: var(--sp-3); }
.stack-4 > * + * { margin-top: var(--sp-4); }
.stack-6 > * + * { margin-top: var(--sp-6); }
.stack-8 > * + * { margin-top: var(--sp-8); }

.grid { display: grid; gap: var(--sp-6); }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.g-12 { grid-template-columns: repeat(12, 1fr); }
@media (max-width: 980px) {
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .g-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .g-12 > * { grid-column: span 12 !important; }
}

.row { display: flex; align-items: center; }
.row-between { display: flex; align-items: center; justify-content: space-between; }
.row-gap-2 { display: flex; align-items: center; gap: var(--sp-2); }
.row-gap-3 { display: flex; align-items: center; gap: var(--sp-3); }
.row-gap-4 { display: flex; align-items: center; gap: var(--sp-4); }
.wrap { flex-wrap: wrap; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

::selection { background: var(--brand-100); color: var(--ink-950); }

:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}