:root {
  --bs-blue: #0d6efd;
  --bs-indigo: #6610f2;
  --bs-purple: #6f42c1;
  --bs-pink: #d63384;
  --bs-red: #dc3545;
  --bs-orange: #f4623a;
  --bs-yellow: #ffc107;
  --bs-green: #198754;
  --bs-teal: #20c997;
  --bs-cyan: #0dcaf0;
  --bs-black: #000;
  --bs-white: #fff;
  --bs-gray: #6c757d;
  --bs-gray-dark: #343a40;
  --bs-gray-100: #f8f9fa;
  --bs-gray-200: #e9ecef;
  --bs-gray-300: #dee2e6;
  --bs-gray-400: #ced4da;
  --bs-gray-500: #adb5bd;
  --bs-gray-600: #6c757d;
  --bs-gray-700: #495057;
  --bs-gray-800: #343a40;
  --bs-gray-900: #212529;
  --bs-primary: #f4623a;
  --bs-secondary: #6c757d;
  --bs-success: #198754;
  --bs-info: #0dcaf0;
  --bs-warning: #ffc107;
  --bs-danger: #dc3545;
  --bs-light: #f8f9fa;
  --bs-dark: #212529;
  --bs-primary-rgb: 244, 98, 58;
  --bs-secondary-rgb: 108, 117, 125;
  --bs-success-rgb: 25, 135, 84;
  --bs-info-rgb: 13, 202, 240;
  --bs-warning-rgb: 255, 193, 7;
  --bs-danger-rgb: 220, 53, 69;
  --bs-light-rgb: 248, 249, 250;
  --bs-dark-rgb: 33, 37, 41;
  --bs-white-rgb: 255, 255, 255;
  --bs-black-rgb: 0, 0, 0;
  --bs-body-color-rgb: 33, 37, 41;
  --bs-body-bg-rgb: 255, 255, 255;
  --bs-font-sans-serif:
    "Merriweather Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --bs-font-monospace:
    SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New",
    monospace;
  --bs-gradient: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.15),
    rgba(255, 255, 255, 0)
  );
  --bs-body-font-family: "Noto Serif", serif;
  --bs-body-font-size: 1rem;
  --bs-body-font-weight: 400;
  --bs-body-line-height: 1.5;
  --bs-body-color: #696980;
  --bs-body-bg: #fff;
  --bs-border-width: 1px;
  --bs-border-style: solid;
  --bs-border-color: #dee2e6;
  --bs-border-color-translucent: rgba(0, 0, 0, 0.175);
  --bs-border-radius: 0.375rem;
  --bs-border-radius-sm: 0.25rem;
  --bs-border-radius-lg: 0.5rem;
  --bs-border-radius-xl: 1rem;
  --bs-border-radius-2xl: 2rem;
  --bs-border-radius-pill: 50rem;
  --bs-link-color: #f4623a;
  --bs-link-hover-color: #c34e2e;
  --bs-code-color: #d63384;
  --bs-highlight-bg: #fff3cd;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

@media (prefers-reduced-motion: no-preference) {
  :root {
    scroll-behavior: smooth;
  }
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  font-family: var(--bs-body-font-family);
  font-optical-sizing: auto;
  font-size: var(--bs-body-font-size);
  font-weight: var(--bs-body-font-weight);
  line-height: var(--bs-body-line-height);
  color: var(--bs-body-color);
  text-align: var(--bs-body-text-align);
  background-color: var(--bs-body-bg);
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

.navbar {
  background-color: #fff;
}

footer {
  display: flex;
  flex-direction: column;
}

a {
  color: #696980;
  text-decoration: none;
}

a:hover {
  color: #4d4e50;
  text-decoration: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: #272733;
}

h1 {
  line-height: 1.1;
}

header.masthead {
  padding-top: 10rem;
  padding-bottom: calc(10rem - 4.5rem);
  background: url("/assets/img/bg-masthead.jpg");
  /*background: linear-gradient(to bottom, rgba(92, 77, 66, 0.8) 0%, rgba(92, 77, 66, 0.8) 100%), url("/assets/img/bg-masthead.jpg");*/
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: scroll;
  background-size: cover;
}
header.masthead h1,
header.masthead .h1 {
  font-size: 2.25rem;
}
@media (min-width: 992px) {
  header.masthead {
    height: 100vh;
    min-height: 40rem;
    padding-top: 4.5rem;
    padding-bottom: 0;
  }
  header.masthead p {
    font-size: 1.15rem;
  }
  header.masthead h1,
  header.masthead .h1 {
    font-size: 3rem;
  }
}
@media (min-width: 1200px) {
  header.masthead h1,
  header.masthead .h1 {
    font-size: 3.5rem;
  }
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #696980;
  background-color: #265549;
  /*Центрирует контент по вертикали */
}


.expert {
  background-color: #f8f8fa;
  display: flex;
  flex-direction: column;
}

.education_and_career {
  display: flex;
  flex-direction: column;
}

.gold-bg1 {
  background-color: #ffee00;
  display: inline-block;
  padding: 0 3rem 0 0;
}

.sda {
  background-image: url("/assets/img/photo_black_sinegubov.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}