:root {
  --kg-blue: #1f6196;
  --kg-blue-dark: #102f4a;
  --kg-ink: #172b3e;
  --kg-muted: #536a7e;
  --kg-line: #ccdde9;
  --kg-soft: #f3f8fb;
  --kg-white: #ffffff;
  --kg-red: #df1e26;
  --kg-green: #197451;
  --kg-yellow: #fff3cf;
  --kg-shadow: 0 16px 38px rgba(16, 47, 74, .09);
}

* { box-sizing: border-box; }
html { overflow-x: hidden; scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--kg-soft); color: var(--kg-ink); font-family: Arial, "Helvetica Neue", sans-serif; line-height: 1.6; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--kg-blue); font-weight: 800; text-underline-offset: 3px; }
button, input { font: inherit; }
p, li, h1, h2, h3, summary, figcaption, a { overflow-wrap: anywhere; }

.kg-wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.kg-top { position: sticky; top: 0; z-index: 50; background: var(--kg-blue); color: #fff; box-shadow: 0 8px 22px rgba(16, 32, 51, .18); }
.kg-top__inner { position: relative; display: flex; min-height: 68px; align-items: center; gap: 20px; }
.kg-brand { display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; font-weight: 900; line-height: 1.05; text-transform: uppercase; }
.kg-brand img { width: 76px; }
.kg-nav { display: flex; margin-left: auto; align-items: center; gap: 20px; }
.kg-nav a, .kg-phone { color: #fff; text-decoration: none; }
.kg-phone { white-space: nowrap; font-size: 19px; font-weight: 900; }
.kg-menu { display: none; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; color: #fff; cursor: pointer; }
.kg-menu span { display: block; width: 24px; height: 3px; margin: 3px auto; border-radius: 2px; background: currentColor; }
.kg-menu.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.kg-menu.is-open span:nth-child(2) { opacity: 0; }
.kg-menu.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.kg-breadcrumbs { padding: 16px 0; color: var(--kg-muted); font-size: 14px; }
.kg-hero { padding: 44px 0; border-bottom: 1px solid var(--kg-line); background: #eaf5fb; }
.kg-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 430px); gap: 40px; align-items: center; }
.kg-label { display: inline-block; margin-bottom: 12px; padding: 6px 10px; border: 1px solid #a9d5e3; border-radius: 6px; background: #f4fdff; color: #08718d; font-size: 12px; font-weight: 900; text-transform: uppercase; }
.kg-hero h1 { margin: 0 0 16px; color: var(--kg-blue-dark); font-size: 46px; line-height: 1.08; }
.kg-lead { margin: 0 0 22px; color: #2e4d65; font-size: 20px; }
.kg-hero figure { margin: 0; overflow: hidden; border: 1px solid var(--kg-line); border-radius: 8px; background: #fff; box-shadow: var(--kg-shadow); }
.kg-hero figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.kg-hero figcaption { padding: 11px 14px; color: var(--kg-muted); font-size: 14px; }
.kg-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.kg-btn { display: inline-flex; min-height: 48px; padding: 11px 19px; align-items: center; justify-content: center; border: 1px solid var(--kg-blue); border-radius: 6px; background: var(--kg-blue); color: #fff; text-decoration: none; font-weight: 900; cursor: pointer; }
.kg-btn--red { border-color: var(--kg-red); background: var(--kg-red); }
.kg-btn--light { background: #fff; color: var(--kg-blue); }

.kg-section { padding: 42px 0; }
.kg-section--white { border-top: 1px solid var(--kg-line); border-bottom: 1px solid var(--kg-line); background: #fff; }
.kg-section h2 { margin: 0 0 14px; color: var(--kg-blue-dark); font-size: 32px; line-height: 1.16; }
.kg-section__intro { max-width: 800px; margin: 0 0 24px; color: var(--kg-muted); font-size: 18px; }
.kg-note { margin: 18px 0; padding: 18px 20px; border-left: 5px solid var(--kg-blue); border-radius: 7px; background: #e7f2fb; color: #28465e; }
.kg-warning { border-left-color: #c78500; background: var(--kg-yellow); }
.kg-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.kg-card { border: 1px solid var(--kg-line); border-radius: 8px; background: #fff; box-shadow: 0 10px 26px rgba(16, 47, 74, .05); }
.kg-card__body { padding: 20px; }
.kg-card h2, .kg-card h3 { margin: 0 0 9px; color: var(--kg-blue-dark); font-size: 22px; line-height: 1.2; }
.kg-card p { margin: 0 0 13px; color: var(--kg-muted); }

.kg-toolbar { position: sticky; top: 76px; z-index: 10; margin-bottom: 24px; padding: 14px; border: 1px solid var(--kg-line); border-radius: 8px; background: rgba(255, 255, 255, .96); box-shadow: 0 8px 22px rgba(16, 47, 74, .08); }
.kg-search { width: 100%; min-height: 48px; padding: 0 14px; border: 1px solid #afc8da; border-radius: 6px; color: var(--kg-ink); background: #fff; }
.kg-search:focus { border-color: var(--kg-blue); outline: 3px solid rgba(31, 97, 150, .14); }
.kg-glossary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.kg-term { padding: 21px; border: 1px solid var(--kg-line); border-radius: 8px; background: #fff; }
.kg-term[hidden] { display: none; }
.kg-term h2 { margin: 0 0 8px; font-size: 24px; }
.kg-term p { margin: 0 0 10px; color: #344e64; }
.kg-term__link { display: inline-block; }
.kg-empty { display: none; padding: 22px; border: 1px dashed #9eb9cc; border-radius: 8px; text-align: center; color: var(--kg-muted); }
.kg-empty.is-visible { display: block; }

.kg-quiz { max-width: 830px; }
.kg-progress { height: 10px; margin-bottom: 22px; overflow: hidden; border-radius: 5px; background: #dbe8f0; }
.kg-progress span { display: block; width: 25%; height: 100%; background: var(--kg-green); transition: width .2s ease; }
.kg-step { margin: 0; padding: 0; border: 0; }
.kg-step[hidden] { display: none; }
.kg-step legend { width: 100%; margin-bottom: 16px; color: var(--kg-blue-dark); font-size: 28px; font-weight: 900; line-height: 1.2; }
.kg-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.kg-option { position: relative; display: block; }
.kg-option input { position: absolute; opacity: 0; pointer-events: none; }
.kg-option span { display: block; min-height: 82px; padding: 17px; border: 2px solid var(--kg-line); border-radius: 8px; background: #fff; color: #2c475d; cursor: pointer; }
.kg-option strong { display: block; margin-bottom: 4px; color: var(--kg-blue-dark); font-size: 18px; }
.kg-option input:checked + span { border-color: var(--kg-green); background: #edf8f3; box-shadow: 0 0 0 3px rgba(25, 116, 81, .12); }
.kg-option input:focus-visible + span { outline: 3px solid rgba(31, 97, 150, .22); }
.kg-quiz__controls { display: flex; justify-content: space-between; gap: 10px; margin-top: 20px; }
.kg-quiz__error { min-height: 24px; margin: 10px 0 0; color: #b3161c; font-weight: 800; }
.kg-result { display: none; margin-top: 24px; padding: 26px; border: 2px solid var(--kg-green); border-radius: 8px; background: #f2fbf7; }
.kg-result.is-visible { display: block; }
.kg-result h2 { margin: 0 0 10px; color: #135d41; }
.kg-result p { margin: 0 0 16px; }
.kg-result__facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 18px 0; }
.kg-result__facts div { padding: 14px; border: 1px solid #badfce; border-radius: 7px; background: #fff; }
.kg-result__facts strong { display: block; color: #135d41; }

.kg-video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.kg-video { overflow: hidden; border: 1px solid var(--kg-line); border-radius: 8px; background: #fff; box-shadow: 0 10px 28px rgba(16, 47, 74, .06); }
.kg-video__frame { aspect-ratio: 16 / 9; background: #102f4a; }
.kg-video iframe { width: 100%; height: 100%; border: 0; }
.kg-video__body { padding: 18px; }
.kg-video h2 { margin: 0 0 8px; font-size: 23px; }
.kg-video p { margin: 0; color: var(--kg-muted); }

.kg-links { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.kg-links a { display: flex; min-height: 70px; padding: 14px; align-items: center; border: 1px solid var(--kg-line); border-left: 4px solid var(--kg-blue); border-radius: 7px; background: #fff; text-decoration: none; }
.kg-footer { padding: 34px 0 74px; background: var(--kg-blue-dark); color: #d7e8f5; text-align: center; }
.kg-footfix { display: none; }

@media (max-width: 860px) {
  .kg-wrap { width: min(100% - 20px, 1120px); }
  .kg-top__inner { min-height: 60px; gap: 8px; }
  .kg-brand span { display: none; }
  .kg-brand img { width: 62px; }
  .kg-phone { margin-left: auto; font-size: 16px; }
  .kg-menu { display: block; flex: 0 0 44px; }
  .kg-nav { display: none; position: absolute; top: 100%; right: 0; left: 0; padding: 10px; border-top: 1px solid rgba(255, 255, 255, .18); background: var(--kg-blue); box-shadow: 0 14px 28px rgba(16, 32, 51, .22); }
  .kg-nav.is-open { display: grid; gap: 4px; }
  .kg-nav a { min-height: 44px; padding: 11px 13px; }
  .kg-hero { padding: 26px 0; }
  .kg-hero__grid { display: block; }
  .kg-hero h1 { font-size: 34px; }
  .kg-lead { font-size: 18px; }
  .kg-hero figure { margin-top: 22px; }
  .kg-section { padding: 32px 0; }
  .kg-section h2 { font-size: 27px; }
  .kg-grid, .kg-glossary, .kg-video-grid, .kg-links { grid-template-columns: 1fr; }
  .kg-toolbar { top: 66px; }
  .kg-options { grid-template-columns: 1fr; }
  .kg-step legend { font-size: 24px; }
  .kg-result__facts { grid-template-columns: 1fr; }
  .kg-actions, .kg-quiz__controls { display: grid; }
  .kg-btn { width: 100%; }
  body { padding-bottom: 58px; }
  .kg-footfix { position: fixed; right: 0; bottom: 0; left: 0; z-index: 60; display: block; padding: 8px 10px; background: #fff; box-shadow: 0 -8px 22px rgba(16, 32, 51, .14); }
  .kg-footfix a { display: flex; min-height: 42px; align-items: center; justify-content: center; background: var(--kg-red); color: #fff; text-decoration: none; font-weight: 900; }
}

@media (max-width: 380px) {
  .kg-brand img { width: 56px; }
  .kg-phone { font-size: 14px; }
  .kg-hero h1 { font-size: 30px; }
}