/* ============================================================
   OSON — Design System (original, inspired by PRD / Untitled-UI-style)
   Brand: deep blue #000F9E + cyan accent. Cool neutrals. Inter.
   ============================================================ */

:root {
  /* Brand */
  --brand:        #000F9E;
  --brand-700:    #000C7E;
  --brand-600:    #0A1EB8;
  --brand-300:    #8E97D9;
  --brand-100:    #E2E6F7;
  --brand-50:     #EFF1FB;

  /* Cyan accent (from logo) */
  --accent:       #2FB4FF;
  --accent-600:   #119DEF;
  --accent-100:   #DCF0FF;
  --accent-50:    #ECF7FF;

  /* Cool neutral scale */
  --gray-25:  #FCFCFE;
  --gray-50:  #F7F9FC;
  --gray-100: #EFF2F8;
  --gray-150: #E7ECF4;
  --gray-200: #DCE2EE;
  --gray-300: #C4CCDD;
  --gray-400: #97A1B7;
  --gray-500: #6A7488;
  --gray-600: #4C5568;
  --gray-700: #353D4D;
  --gray-800: #232A37;
  --gray-900: #0F1422;

  --ink:      #0C1120;
  --bg:       #ffffff;
  --bg-alt:   #F7F9FC;

  /* semantic */
  --success:  #16A34A;

  /* radius */
  --r-xs: 6px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-2xl: 32px;
  --r-full: 999px;

  /* shadows (cool tinted) */
  --sh-xs: 0 1px 2px rgba(12,17,32,.06);
  --sh-sm: 0 2px 6px rgba(12,17,32,.07), 0 1px 2px rgba(12,17,32,.05);
  --sh-md: 0 8px 24px rgba(12,17,32,.09), 0 2px 6px rgba(12,17,32,.05);
  --sh-lg: 0 20px 48px rgba(13,22,73,.16), 0 6px 14px rgba(12,17,32,.07);
  --sh-brand: 0 16px 40px rgba(0,15,158,.24);

  /* layout */
  --maxw: 1200px;
  --gutter: 40px;

  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Inter Tight", "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv05" 1, "ss01" 1;
}
h1,h2,h3,h4 { font-family: var(--font-display); margin: 0; letter-spacing: -.022em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img { display: block; max-width: 100%; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--brand);
  display: inline-flex; align-items: center; gap: 8px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}
.section { padding: 104px 0; }
.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head h2 {
  font-size: 44px; line-height: 1.08; margin-top: 18px; color: var(--ink);
}
.section-head p {
  font-size: 19px; line-height: 1.6; color: var(--gray-600); margin-top: 18px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-weight: 600; font-size: 15.5px; line-height: 1;
  padding: 14px 22px; border-radius: var(--r-full);
  border: 1px solid transparent; cursor: pointer;
  transition: transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .2s, background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--sh-brand); }
.btn-primary:hover { background: var(--brand-700); transform: translateY(-2px); box-shadow: 0 20px 46px rgba(0,15,158,.32); }
.btn-secondary { background: #fff; color: var(--brand); border-color: var(--gray-200); box-shadow: var(--sh-xs); }
.btn-secondary:hover { border-color: var(--brand-300); transform: translateY(-2px); box-shadow: var(--sh-sm); }
.btn-ghost { background: transparent; color: var(--gray-700); }
.btn-ghost:hover { background: var(--gray-100); }
.btn-lg { padding: 17px 28px; font-size: 16.5px; }

/* ---------- Chips / badges ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600; padding: 5px 11px;
  border-radius: var(--r-full); letter-spacing: .01em;
}
.chip-dot { width: 6px; height: 6px; border-radius: 50%; }
.chip-uz { background: var(--brand-50); color: var(--brand); }
.chip-uz .chip-dot { background: var(--brand); }
.chip-kz { background: #EAF6FF; color: var(--accent-600); }
.chip-kz .chip-dot { background: var(--accent-600); }
.chip-global { background: #ECFDF3; color: #067647; }
.chip-global .chip-dot { background: #16A34A; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"]{ transition-delay: .07s; }
.reveal[data-d="2"]{ transition-delay: .14s; }
.reveal[data-d="3"]{ transition-delay: .21s; }
.reveal[data-d="4"]{ transition-delay: .28s; }
.reveal[data-d="5"]{ transition-delay: .35s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}