:root {
  --color-primary: #306161;
  --color-primary-hover: #2b5758;
  --color-primary-30: rgba(48, 97, 97, 0.3);
  --color-accent-yellow: #edff70;
  --color-accent-red: #e91732;
  --color-accent-magenta: #c7006e;
  --color-accent-navy: #004a8f;
  --color-accent-cyan: #00b4d8;
  --color-gray-bg: #f2f2f2;
  --color-gray-light: #e5e5e5;
  --color-white: #ffffff;
  --color-primary-alt: #3d6464;
  --color-teal-dark: #0b4f4b;
  --color-teal-light: #12c0b7;
  --color-accent-orange: #ff6600;
  --color-accent-coral: #ff5722;
  --color-accent-ink: #1a2b4a;
  --font-size-base: 16px;
  --line-height-base: 1.5;
  --color-text-default: #0f172a;
  --color-link-default: #0b4da3;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  word-break: break-word;
  overflow-wrap: anywhere;
  line-height: var(--line-height-base);
  color: var(--color-text-default);
  background-color: var(--color-white);
}

html {
  font-size: var(--font-size-base);
}

/* Общий контейнер для контента: мобилка 100%, десктоп ~90% */
.iw-shell {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (max-width: 1023px) {
  header .iw-shell {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  header .lg\:hidden img[src*="/assets/img/shared/logo.svg"] {
    height: 1.75rem;
  }
}

@media (min-width: 1024px) {
  .iw-shell {
    max-width: 1280px;
  }
}

/* Минимальный набор вспомогательных классов, если понадобится без Tailwind arbitrary values */
.iw-border-primary { border-color: var(--color-primary); }
.iw-bg-primary { background-color: var(--color-primary); }
.iw-text-primary { color: var(--color-primary); }

/* Пульсирующая кнопка: лёгкое увеличение при ховере/фокусе */
.btn-pulse {
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.btn-pulse:hover,
.btn-pulse:focus-visible {
  transform: scale(1.04);
}

/* Горизонтальный слайдер без полос прокрутки */
.ww-slider {
  scrollbar-width: none;
}

.ww-slider::-webkit-scrollbar {
  display: none;
}

@keyframes logo-marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.animate-logo-marquee {
  animation: logo-marquee 28s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .animate-logo-marquee {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
  }
}

/* Уменьшенные размеры крупных заголовков (пример: hero) */
.text-6xl { font-size: 2.1rem !important; line-height: 1.05; }
.text-5xl { font-size: 1.7rem !important; line-height: 1.1; }
.text-4xl { font-size: 1.4rem !important; line-height: 1.15; }
.text-3xl { font-size: 1.15rem !important; line-height: 1.2; }

@media (min-width: 640px) {
  .sm\:text-6xl { font-size: 2.1rem !important; line-height: 1.05; }
  .sm\:text-5xl { font-size: 1.7rem !important; line-height: 1.1; }
  .sm\:text-4xl { font-size: 1.4rem !important; line-height: 1.15; }
  .sm\:text-3xl { font-size: 1.15rem !important; line-height: 1.2; }
}

@media (min-width: 768px) {
  .md\:text-6xl { font-size: 2.1rem !important; line-height: 1.05; }
  .md\:text-5xl { font-size: 1.7rem !important; line-height: 1.1; }
  .md\:text-4xl { font-size: 1.4rem !important; line-height: 1.15; }
  .md\:text-3xl { font-size: 1.15rem !important; line-height: 1.2; }
}

@media (min-width: 1024px) {
  .lg\:text-6xl { font-size: 2.6rem !important; line-height: 1.05; }
  .lg\:text-5xl { font-size: 2rem !important; line-height: 1.1; }
  .lg\:text-4xl { font-size: 1.5rem !important; line-height: 1.15; }
  .lg\:text-3xl { font-size: 1.25rem !important; line-height: 1.2; }
}

@media (min-width: 1280px) {
  .xl\:text-6xl { font-size: 2.6rem !important; line-height: 1.05; }
  .xl\:text-5xl { font-size: 2rem !important; line-height: 1.1; }
  .xl\:text-4xl { font-size: 1.5rem !important; line-height: 1.15; }
  .xl\:text-3xl { font-size: 1.25rem !important; line-height: 1.2; }
}

/* Доступность: крупный шрифт и высокая контрастность */
html[data-a11y-font='large'] {
  --font-size-base: 18px;
  --line-height-base: 1.65;
}

html[data-a11y-contrast='high'] {
  --color-primary: #0b4f4b;
  --color-primary-hover: #083c38;
  --color-primary-30: rgba(11, 79, 75, 0.34);
  --color-accent-yellow: #f6ff4a;
  --color-accent-red: #b0001b;
  --color-accent-magenta: #9b0058;
  --color-accent-navy: #003066;
  --color-accent-cyan: #007fa3;
  --color-gray-bg: #f7f7f7;
  --color-gray-light: #e8e8e8;
  --color-text-default: #0b0b0b;
  --color-link-default: #0b4da3;
  color-scheme: light;
}

html[data-a11y-contrast='high'] body {
  background-color: #ffffff;
  color: var(--color-text-default);
}

html[data-a11y-underline='on'] a {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

html[data-a11y-contrast='high'] a:not([class*='bg-']):not([class*='btn']):not(.btn-pulse) {
  color: var(--color-link-default);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  font-weight: 600;
}

html[data-a11y-contrast='high'] a[class*='bg-'] {
  color: #ffffff !important;
  text-decoration: none;
}

html[data-a11y-contrast='high'] header a {
  color: #0f172a !important;
  text-decoration: none;
  font-weight: 600;
}

html[data-a11y-contrast='high'] header [data-nav-dropdown-panel] a,
html[data-a11y-contrast='high'] header [data-mobile-nav] a {
  color: var(--color-link-default) !important;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  font-weight: 700;
}

html[data-a11y-contrast='high'] *:focus-visible {
  outline: 2px solid #0b0b0b !important;
  outline-offset: 3px;
}

html[data-a11y-contrast='high'] .bg-[var(--color-primary)],
html[data-a11y-contrast='high'] .bg-[var(--color-primary-hover)],
html[data-a11y-contrast='high'] .bg-black,
html[data-a11y-contrast='high'] .bg-[var(--color-accent-red)],
html[data-a11y-contrast='high'] .bg-[var(--color-accent-magenta)],
html[data-a11y-contrast='high'] .bg-[var(--color-accent-navy)],
html[data-a11y-contrast='high'] .bg-[var(--color-accent-ink)],
html[data-a11y-contrast='high'] .bg-[var(--color-teal-dark)],
html[data-a11y-contrast='high'] .bg-[var(--color-primary-alt)] {
  color: #ffffff !important;
}

/* Панель настроек доступности */
[data-a11y-controls] {
  position: relative;
}

.a11y-panel {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 0.5rem;
  width: 16rem;
  border-radius: 1rem;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  padding: 1rem;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12);
  z-index: 50;
}

.a11y-toggle {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 0.9rem;
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  font-weight: 600;
  font-size: 0.95rem;
  color: #0f172a;
  transition: border-color 150ms ease, background-color 150ms ease, color 150ms ease;
}

.a11y-toggle[aria-pressed='true'] {
  border-color: var(--color-primary);
  background: var(--color-gray-bg);
  color: var(--color-primary);
}

.a11y-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}