/* =========================================================================
   РТК ИТ — HR Design System
   Color, type and core token foundations.
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* Official Rostelecom Basis (Bold only — supplied by RTK IT). For other
   weights we fall back to Manrope, which closely matches Basis metrics. */
@font-face {
  font-family: "Rostelecom Basis";
  src: url("fonts/rostelecombasis_bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* -------------------------------------------------------------------- */
  /* COLORS — Brand primaries                                             */
  /* -------------------------------------------------------------------- */
  --c-purple:        #7700FF; /* Rostelecom Purple — primary CTA, links */
  --c-purple-700:    #5C00C6;
  --c-purple-500:    #7700FF;
  --c-purple-300:    #B07BFF;
  --c-purple-100:    #EFE4FF;

  --c-orange:        #FF4F12; /* Rostelecom Orange — secondary, callouts */
  --c-orange-700:    #D43A00;
  --c-orange-500:    #FF4F12;
  --c-orange-300:    #FF8F66;
  --c-orange-100:    #FFE6DC;

  /* HR sub-stream accents — exactly one accent per page/section          */
  --c-acc-yellow:    #FFB800; /* recruiting */
  --c-acc-green:     #00C853; /* learning   */
  --c-acc-pink:      #FF3B7F; /* wellbeing  */
  --c-acc-teal:      #00BFA5; /* engagement */
  --c-acc-blue:      #2962FF; /* data       */

  /* Neutrals                                                             */
  --c-ink:           #0E0E12;
  --c-ink-2:         #1F1F26;
  --c-ink-3:         #5A5A66;
  --c-ink-4:         #9AA0A6;
  --c-line:          #D9DBE0;
  --c-surface-2:     #F4F5F7;
  --c-surface:       #FFFFFF;

  /* Semantic                                                              */
  --c-success:       #00A864;
  --c-warning:       #FFB800;
  --c-danger:        #E5263F;
  --c-info:          #2962FF;

  /* Text-safe semantic colors — WCAG AA 4.5:1 on white                   */
  --c-text-success:  #006B40; /* #00A864 → darkened, 5.4:1 on white */
  --c-text-orange:   #C03B00; /* #FF4F12 → darkened, 5.1:1 on white */
  --c-text-muted:    #767676; /* #9AA0A6 → darkened, 4.5:1 on white (placeholder) */

  /* Foreground / background semantic vars                                */
  --fg-1: var(--c-ink);
  --fg-2: var(--c-ink-3);
  --fg-3: var(--c-ink-4);
  --fg-on-dark: #FFFFFF;
  --fg-link: var(--c-purple);

  --bg-1: var(--c-surface);
  --bg-2: var(--c-surface-2);
  --bg-dark: var(--c-ink);

  --border-1: var(--c-line);
  --border-strong: var(--c-ink-3);

  /* -------------------------------------------------------------------- */
  /* TYPE                                                                  */
  /* -------------------------------------------------------------------- */
  --font-display: "Rostelecom Basis", "Manrope", system-ui, sans-serif;
  --font-ui:      "Manrope", "Rostelecom Basis", system-ui, sans-serif;
  --font-body:    "Inter", "Manrope", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, Menlo, monospace;

  --t-display-1: 700 72px/1.02 var(--font-display);
  --t-display-2: 700 56px/1.05 var(--font-display);
  --t-h1:        700 44px/1.08 var(--font-display);
  --t-h2:        600 32px/1.15 var(--font-display);
  --t-h3:        600 24px/1.25 var(--font-display);
  --t-h4:        600 20px/1.3  var(--font-display);
  --t-body-lg:   400 18px/1.55 var(--font-body);
  --t-body:      400 16px/1.55 var(--font-body);
  --t-body-sm:   400 14px/1.5  var(--font-body);
  --t-caption:   500 12px/1.4  var(--font-body);
  --t-eyebrow:   600 12px/1.2  var(--font-display);
  --t-mono:      500 13px/1.5  var(--font-mono);

  --tracking-display: -0.02em;
  --tracking-heading: -0.01em;
  --tracking-eyebrow: 0.08em;

  /* -------------------------------------------------------------------- */
  /* SPACING — 8px base                                                   */
  /* -------------------------------------------------------------------- */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 128px;

  /* -------------------------------------------------------------------- */
  /* RADII                                                                 */
  /* -------------------------------------------------------------------- */
  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-pill: 999px;

  /* -------------------------------------------------------------------- */
  /* SHADOWS                                                              */
  /* -------------------------------------------------------------------- */
  --shadow-sm: 0 1px 2px rgba(14,14,18,0.06);
  --shadow-md: 0 4px 12px rgba(14,14,18,0.08);
  --shadow-lg: 0 12px 32px rgba(14,14,18,0.12);
  --shadow-focus: 0 0 0 2px #fff, 0 0 0 4px rgba(119,0,255,0.5);

  /* -------------------------------------------------------------------- */
  /* MOTION                                                                */
  /* -------------------------------------------------------------------- */
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --dur-micro:  180ms;
  --dur-medium: 240ms;
  --dur-page:   360ms;

  /* -------------------------------------------------------------------- */
  /* LAYOUT                                                                */
  /* -------------------------------------------------------------------- */
  --container: 1280px;
  --gutter-mobile: 24px;
  --gutter-tablet: 32px;
  --gutter-desktop: 64px;
}

/* =========================================================================
   Semantic element styles — opt-in via .ds-prose or used by ui_kits.
   ========================================================================= */

.ds-prose h1, h1.ds {
  font: var(--t-h1);
  letter-spacing: var(--tracking-heading);
  color: var(--fg-1);
  margin: 0 0 var(--s-4);
}
.ds-prose h2, h2.ds {
  font: var(--t-h2);
  letter-spacing: var(--tracking-heading);
  color: var(--fg-1);
  margin: 0 0 var(--s-4);
}
.ds-prose h3, h3.ds {
  font: var(--t-h3);
  color: var(--fg-1);
  margin: 0 0 var(--s-3);
}
.ds-prose h4, h4.ds {
  font: var(--t-h4);
  color: var(--fg-1);
  margin: 0 0 var(--s-3);
}
.ds-prose p, p.ds {
  font: var(--t-body);
  color: var(--fg-2);
  margin: 0 0 var(--s-4);
}
.ds-prose a, a.ds {
  color: var(--fg-link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-micro) var(--ease);
}
.ds-prose a:hover, a.ds:hover { border-bottom-color: currentColor; }
.ds-prose code, code.ds {
  font: var(--t-mono);
  background: var(--bg-2);
  padding: 2px 6px;
  border-radius: var(--r-xs);
  color: var(--fg-1);
}

.ds-eyebrow {
  font: var(--t-eyebrow);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-2);
}

/* =========================================================================
   Cards
   ========================================================================= */
.ds-card {
  background: var(--bg-1);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
  padding: var(--s-5);
  transition: box-shadow var(--dur-micro) var(--ease);
}
.ds-card:hover { box-shadow: var(--shadow-md); }
.ds-card--accent-top { border-top: 3px solid var(--c-purple); }

/* =========================================================================
   Inputs
   ========================================================================= */
.ds-field {
  display: flex; flex-direction: column; gap: var(--s-2);
}
.ds-field label {
  font: var(--t-caption);
  color: var(--fg-2);
}
.ds-input {
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: var(--bg-1);
  font: var(--t-body);
  color: var(--fg-1);
  transition: border-color var(--dur-micro) var(--ease),
              box-shadow var(--dur-micro) var(--ease);
}
.ds-input:focus {
  outline: 0;
  border-color: var(--c-purple);
  box-shadow: 0 0 0 3px rgba(119,0,255,0.15);
}

/* =========================================================================
   Reset bits
   ========================================================================= */
* { box-sizing: border-box; }
body {
  margin: 0;
  font: var(--t-body);
  color: var(--fg-1);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}