/* ========== CSS VARIABLES ========== */
:root {
  /* Colors */
  --color-black: #232323;
  --color-white: #FAFAFA;
  --color-primary: #1b7e8b;
  --color-primary-hover: #3699a6;
  --color-secondary: #91664b;
  --color-accent: #BBE4EC;
  --color-background: #EFECEB;
  --color-background-cover: #f1e4db;
  --color-light: #f1f0ef;

  /* Typography */
  --font-styled: 'Sofia Sans', sans-serif;
  --font-basic: 'Roboto', sans-serif;

  /* Layout */
  --container-max: 1200px;
  --container-pad: 16px;
  --gutter: 24px;

  /* Unified Spacing System */
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 10px;
  --space-md: 15px;
  --space-lg: 20px;
  --space-xl: 25px;
  --space-xxl: 50px;
  --space-xxxl: 60px;

  /* Section spacing */
  --section-padding: var(--space-xxl);
  --padding-bottom-xxl: var(--space-xxl);

  /* Components */
  --border-radius: 8px;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

/* ========== RESET & BASE ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  overflow-x: hidden;
  overflow-y: scroll;
}

body {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-basic);
  color: var(--color-black);
  display: flex;
  flex-direction: column;
  line-height: 1;
}

/* ========== MAIN LAYOUT STRUCTURE ========== */
.main-wrapper {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  width: 100%;
  margin: 0;
  padding: 0;
}

.main-content {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
}

/* Фиксированные высоты для header и footer */
.header {
  height: 50px;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.footer {
  height: 40px;
  flex-shrink: 0;
}

/* Секции с полной высотой */
.section--fullheight {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - 50px - 40px);
}

/* ========== LAYOUT UTILITIES ========== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}

.grid-item--center {
  grid-column: 3 / span 8;
}

.grid-item--wide {
  grid-column: 2 / span 10;
}

.grid-item--full {
  grid-column: 1 / -1;
}

.grid--align--end {
  display: grid !important;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
  align-items: end;
}

/* ========== UTILITY CLASSES ========== */
.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.no-buttons .btn-group,
.no-buttons .btn {
  display: none !important;
}

/* ========== TYPOGRAPHY ========== */
a {
  color: var(--color-black);
  text-decoration: none;
}

a:hover {
  text-decoration: none;

  a:visited {
    color: #5b5b5b;
  }
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  text-decoration: none;
}

.h1 {
  font-family: var(--font-styled);
  font-size: 1.rem;
  line-height: 1.1;
  font-weight: 800;
  margin: 0 0 var(--space-lg) 0;
}

.h2 {
  font-family: var(--font-styled);
  font-size: 1.6rem;
  line-height: 1.1;
  font-weight: 700;
  margin: 0 0 var(--space-md) 0;
}

.h3 {
  font-family: var(--font-styled);
  font-size: 1.2rem;
  line-height: 1.2;
  font-weight: 700;
  margin: 0 0 var(--space-lg) 0;
}

.h4 {
  font-family: var(--font-styled);
  font-size: 1rem;
  line-height: 1.2;
  font-weight: 700;
  margin: 0 0 var(--space-xxs) 0;
}

.text {
  font-family: var(--font-basic);
  font-size: 1rem;
  line-height: 1.6;
  font-weight: 400;
  margin: 0 0 var(--space-md) 0;
}

.text:last-child {
  margin: 0;
}

.text--large {
  font-size: 1.6rem;
  line-height: 1.6;
}

.text--small {
  font-size: 1rem;
  line-height: 1.4;
}

.text--center {
  text-align: center;
}

.text--white {
  color: var(--color-white);
}

.link {
  color: var(--color-black);
  text-decoration: none;
  transition: var(--transition);
}

.link--primary {
  color: var(--color-black);
  font-weight: 700;
}

.link:hover {
  opacity: 0.8;
}

/* ========== LISTS ========== */
.list {
  list-style: none;
  margin: 0 0 var(--space-lg) 0;
  padding: 0;
}

.list__item {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-xxs);
  font-size: 1rem;
  line-height: 1.6;
}

.list__item:last-child {
  margin-bottom: 0;
}

.list__item::before {
  content: "•";
  position: absolute;
  left: 0;
  font-size: 1.6rem;
  line-height: 0.94;
}

.list--primary .list__item::before {
  color: var(--color-primary);
}

.list--secondary .list__item::before {
  color: var(--color-secondary);
}

.list--black .list__item::before {
  color: var(--color-black);
}

/* SECTION */
.section--null {
  padding: 0 !important;
}

.section--xs {
  padding: var(--space-xs) 0;
}

.section--sm {
  padding: var(--space-sm) 0;
}

.section--lg {
  padding: var(--space-lg) 0;
}

.section--xl {
  padding: var(--space-xl) 0;
}

.section--xxl {
  padding: var(--space-xxl) 0;
}

.section--xxl {
  padding: var(--space-xxxl) 0;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius);
  font-family: var(--font-styled);
  font-weight: 700;
  font-size: 1.10rem;
  line-height: 1.2;
  text-decoration: none;
  border: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
}

.btn--primary {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.btn--secondary {
  background: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-black);
}

.btn-group {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

/* ========== SECTIONS ========== */
.section {
  padding: var(--section-padding) 0;
}

.section--white {
  background: var(--color-white);
}

.section--light {
  background: var(--color-light);
}

.section--accent {
  background: var(--color-accent);
}

.section--primary {
  background: var(--color-primary);
}

.section--background {
  background: var(--color-background);
}

.section--background-cover {
  background: var(--color-background-cover);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 0;
}

.section-header--center {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
}

.section-header__icon {
  flex: 0 0 60px;
  margin-right: 0;
}

.section-header__title {
  margin-bottom: 0;
}

/* ========== IMAGES & ICONS ========== */
.img {
  max-width: 100%;
  height: auto;
  display: block;
}

.icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.icon--large {
  width: 70px;
  height: 70px;
}

/* ========== HEADER & NAVIGATION STYLES ========== */
.header ul>li::before,
.header .nav__list>li::before,
.header .dropdown__menu>li::before,
.header .mobile-menu__list>li::before {
  content: none !important;

}

.header ul,
.header li {
  list-style: none !important;
  margin: 0;
  padding: 0;
}

.header {
  background: var(--color-white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 50px;
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
  height: 100%;
}

.logo {
  font-family: var(--font-styled);
  font-size: 1.5rem;
  font-weight: 900;
  text-decoration: none;
  color: var(--color-black);
}

.logo__highlight {
  color: var(--color-primary);
}

.burger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  z-index: 1002;
}

.burger-line {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-black);
  border-radius: 1px;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
  position: absolute;
  left: 0;
}

.burger-line:nth-child(1) {
  top: 0;
  transform: translateY(0) rotate(0);
}

.burger-line:nth-child(2) {
  bottom: 0;
  transform: translateY(0) rotate(0);
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(2) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

.nav__list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--gutter);
}

.nav__link {
  background: none;
  border: none;
  color: var(--color-black);
  text-decoration: none;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-basic);
}

.nav__link:hover,
.nav__link:focus {
  color: var(--color-primary);
  outline: none;
}

.dropdown {
  position: relative;
}

.dropdown__menu {
  position: absolute;
  top: 100%;
  left: 3px;
  background: var(--color-white);
  min-width: 100%;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1001;
}

.dropdown__menu--active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown__item {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--color-black);
  text-decoration: none;
  transition: var(--transition);
  border-bottom: 1px solid var(--color-background);
  font-family: var(--font-basic);
  font-size: 1rem;
}

.dropdown__item:last-child {
  border-bottom: none;
}

.dropdown__item:hover,
.dropdown__item:focus {
  background-color: var(--color-background);
  outline: none;
}

.btn-help {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  font-family: var(--font-basic);
  font-size: 1rem;
  margin: 3px;
}

.btn-help:hover,
.btn-help:focus {
  background-color: color-mix(in srgb, var(--color-primary) 80%, black);
  outline: none;
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid var(--color-black);
  color: var(--color-black);
  padding: 0.5rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  font-family: var(--font-basic);
  background: var(--color-white);
}



body.no-scroll {
  overflow: hidden;
}

/* ========== FOOTER STYLES ========== */
.footer {
  background: var(--color-black);
  padding: 0;
  height: 40px;
  display: flex;
  align-items: center;
}

.footer__text {
  color: var(--color-white);
  font-family: var(--font-styled);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  margin: 0 auto;
}

/* ========== MOBILE STYLES ========== */
@media (max-width: 768px) {
  .container {
    padding: 0 16px 0;
  }

  .h1 {
    font-size: 2.4rem;
    margin-bottom: var(--space-md);
    /* text-align: center; */
    line-height: 1.4;
  }

  .h2 {
    font-size: 1.8rem;
    margin-bottom: var(--space-md);
    /* text-align: center; */
    line-height: 1.2;
  }

  .h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-md);
    /* text-align: center; */
    line-height: 1.3;
  }

  .h4 {
    font-size: 1.10rem;
    margin-bottom: var(--space-md);
    /* text-align: center; */
    line-height: 1.4;
  }

  .text {
    font-size: 1.10rem;
    margin-bottom: var(--space-md);
    line-height: 1.6;
  }

  .grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .grid-item--center,
  .grid-item--wide,
  .grid-item--full {
    grid-column: 1 / -1;
  }

  .section {
    padding: var(--space-xxl) 0;
  }

  .section-header {
    flex-direction: column;
    text-align: center;
    margin-bottom: 0;
    align-items: center;
  }

  .section-header__icon {
    margin-right: 0;
    margin-bottom: 0;
  }

  .icon {
    width: 45px;
    height: 45px;
  }

  .icon--large {
    width: 65px;
    height: 65px;
  }

  .btn-group {
    flex-direction: column;
    margin-top: var(--space-lg);
    align-items: center;
    gap: var(--space-sm);
  }

  .btn {
    justify-content: center;
    font-size: 1.2rem;
  }

  .btn-help__burger {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-family: var(--font-basic);
    font-size: 1rem;
  }

  .list__item {
    font-size: 1.10rem;
    margin-bottom: 0;
    line-height: 1.6;
    padding-left: 0;
  }

  .list__item::before {
    content: "•";
    position: relative;
    left: 0;
    font-size: 2rem;
    line-height: 1.5;
    margin-right: var(--space-sm);
    top: 5px;
    color: var(--color-primary);
  }

  .header {
    height: 50px;
  }

  .burger-btn {
    display: flex;
  }

  .nav {
    display: none;
  }

  .header__container {
    padding: 0.5rem 16px;
  }

  .mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100vw;
    height: 100vh;
    background: var(--color-white);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1003;
    overflow-y: auto;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  }

  .mobile-menu--active {
    transform: translateX(0);
  }

  .mobile-menu__close {
    position: relative;
    z-index: 2000;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-black);
    transition: transform 0.3s ease;
    width: 30px;
    height: 33px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-menu__close:hover {
    transform: scale(1.1);
  }

  .mobile-menu__list {
    display: flex;
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
  }

  .mobile-menu__list>li {
    width: 100%;
    height: auto;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }

  .mobile-menu .dropdown__toggle {
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-basic);
    background: var(--color-white);
    font-weight: 600;
    border: none;
    padding: 1rem;
    width: 100%;
    text-align: center;
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--color-black);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--color-background);
  }

  .mobile-menu .dropdown__toggle[aria-expanded="true"] {
    background: #e8e8e8;
  }

  .mobile-menu .dropdown__menu {
    position: static;
    box-shadow: none;
    background: var(--color-white);
    border-radius: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 2px solid var(--color-primary);
    margin-top: 0.5rem;
  }

  .mobile-menu .dropdown__menu--active {
    max-height: 500px;
  }

  .mobile-menu .dropdown__item {
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    display: block;
    color: var(--color-black);
    text-decoration: none;
    font-family: var(--font-basic);
    transition: background-color 0.3s ease;
    background: var(--color-white);
    font-size: 1.2rem;
    width: 100%;
  }

  .mobile-menu .dropdown__item:hover {
    background-color: var(--color-background);
  }

  .mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 16px 0.5rem;
  }

  .mobile-menu__list {
    padding: 1rem 16px;
  }

  .mobile-menu .dropdown__item {
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    display: block;
    color: var(--color-black);
    text-decoration: none;
    font-family: var(--font-basic);
    transition: background-color 0.3s ease;
    background: var(--color-white);
    font-size: 1rem;
    width: 100%;
  }

  .mobile-menu__close {
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1003;
    /* поверх всего в шапке меню */
  }

  .mobile-menu__close::before,
  .mobile-menu__close::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 2px;
    background-color: var(--color-black);
    transform-origin: center;
    transition: background-color 0.3s ease;
  }

  .mobile-menu__close::before {
    transform: translate(-50%, -50%) rotate(45deg);
  }

  .mobile-menu__close::after {
    transform: translate(-50%, -50%) rotate(-45deg);
  }

  .mobile-menu__close:hover::before,
  .mobile-menu__close:hover::after {
    background-color: var(--color-primary);
  }

  .footer {
    height: 40px;
  }

  .footer__text {
    font-size: 0.9rem;
  }

  /* ========== ACCESSIBILITY ========== */
  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }

  button:focus-visible,
  a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }

  @media (prefers-contrast: high) {
    :root {
      --border-color: var(--color-black);
    }
  }
}

  @media (min-width: 769px) {
    .mobile-menu {
      display: none;
    }
  }