/* =========================================================================
   Базовые стили: сброс, типографика, корневые элементы
   ========================================================================= */

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--c-text);
  background-color: var(--c-bg);
  /* Деликатный фоновый «пейзаж»: мягкие световые пятна + тонкая текстура */
  background-image:
    radial-gradient(1200px 600px at 88% -8%, rgba(116, 183, 142, 0.22), transparent 60%),
    radial-gradient(900px 500px at 4% 0%, rgba(184, 137, 59, 0.10), transparent 55%),
    radial-gradient(1000px 700px at 50% 120%, rgba(46, 125, 79, 0.10), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv05" 1, "ss01" 1, "kern" 1;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--c-text);
  text-wrap: balance;
}

p { text-wrap: pretty; }

a {
  color: var(--c-primary-700);
  text-decoration: none;
  transition: color var(--dur-2) var(--ease-soft);
}
a:hover { color: var(--c-primary); }

button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }

input, select, textarea, button { font: inherit; color: inherit; }

img, svg, video { display: block; max-width: 100%; }

ul, ol { list-style: none; padding: 0; }

:focus-visible {
  outline: 3px solid var(--c-border-focus);
  outline-offset: 2px;
  border-radius: 4px;
}
:focus:not(:focus-visible) { outline: none; }

::selection {
  background: var(--c-primary-200);
  color: var(--c-primary-800);
}

/* Тонкие скроллбары */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--c-border-strong) transparent;
}
*::-webkit-scrollbar { width: 11px; height: 11px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--c-border-strong);
  border-radius: var(--r-full);
  border: 3px solid transparent;
  background-clip: padding-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--c-primary-300); background-clip: padding-box; }

/* Доступность: ссылка-обход */
.skip-link {
  position: fixed;
  top: -200px;
  left: 16px;
  z-index: var(--z-tooltip);
  padding: 10px 18px;
  background: var(--c-primary);
  color: #fff;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  transition: top var(--dur-2) var(--ease-out-expo);
}
.skip-link:focus { top: 16px; color: #fff; }

/* Утилиты */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
.no-scroll { overflow: hidden !important; }
.text-mono { font-family: var(--font-mono); }

/* ---- Загрузочный сплэш (до старта приложения) ---- */
.boot-splash {
  position: fixed;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 22px;
  justify-items: center;
  background: var(--c-bg);
  z-index: var(--z-modal);
}
.boot-splash__mark {
  font-size: 56px;
  animation: bootBreathe 2.4s var(--ease-in-out) infinite;
  filter: drop-shadow(0 10px 18px rgba(46, 125, 79, 0.3));
}
.boot-splash__bar {
  width: 180px;
  height: 4px;
  border-radius: var(--r-full);
  background: var(--c-surface-3);
  overflow: hidden;
}
.boot-splash__bar span {
  display: block;
  height: 100%;
  width: 40%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--c-primary-300), var(--c-primary));
  animation: bootSlide 1.2s var(--ease-in-out) infinite;
}
@keyframes bootBreathe {
  0%, 100% { transform: scale(1) translateY(0); opacity: .9; }
  50% { transform: scale(1.08) translateY(-4px); opacity: 1; }
}
@keyframes bootSlide {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(360%); }
}