:root {
  /* Brand palette (given) */
  --c-primary: #006780;
  /* Бирюзовый */
  --c-primary-700: #005a72;
  --c-primary-100: #9fd5d5;
  /* Светло-бирюзовый */
  --c-brown-500: #918078;
  /* Светло-коричневый */
  --c-sand-300: #d0b8a3;
  /* Песочный */
  --header-menu: 230px;

  /* Neutrals */
  --c-text: #0f172a;
  --c-muted: #475569;
  --c-bg: #f5fafc;
  --c-surface: #ffffff;
  --c-border: rgba(2, 6, 23, .12);

  /* Elevation */
  --shadow-sm: 0 6px 18px rgba(2, 6, 23, .08);
  --shadow-md: 0 14px 40px rgba(2, 6, 23, .10);

  /* Radii */
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 18px;
  --r-pill: 999px;

  /* Spacing (4px base) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;

  /* Layout */
  --container: 1180px;

  /* Motion */
  --ease: cubic-bezier(.2, .8, .2, 1);
  --t-fast: 120ms;
  --t-med: 200ms;
  --t-slow: 280ms;
}

/* Optional: accessibility mode */
html[data-a11y="1"] {
  --c-bg: #ffffff;
  --c-border: rgba(2, 6, 23, .22);
}


html[data-a11y="1"] body {
  font-size: 16px;
}
body {
  display: flex;
  flex-direction: column;
  height: 100vh;
}
main {
  flex-grow: 1;
}




* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font: 15px/1.60 "Cygre", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

:focus-visible {
  outline: 3px solid rgba(0, 103, 128, .35);
  outline-offset: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.row {
  display: flex;
  gap: 16px;
  align-items: center;
}

.spacer {
  flex: 1;
}

.muted {
  color: var(--c-muted);
}

.mono {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--r-pill);
  background: rgba(0, 103, 128, .10);
  color: var(--c-primary-700);
  font-weight: 700;
  font-size: 12px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .70);
  backdrop-filter: blur(10px);
}

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}

.card.pad {
  padding: var(--s-5);
}

.center-h {
  display: flex;
  justify-content: center;
}
.center-v {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  background: #fff;
  font-weight: 800;
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: rgba(2, 6, 23, .18);
}

.btn:active {
  transform: translateY(0);
}

.btn.primary {
  background: linear-gradient(135deg, var(--c-primary), #0ea5b7);
  color: #fff;
  border-color: rgba(255, 255, 255, .18);
}

.btn.soft {
  background: rgba(159, 213, 213, .25);
  border-color: rgba(0, 103, 128, .20);
  color: var(--c-primary-700);
}

.btn.ghost {
  background: transparent;
}

.input {
  width: 100%;
  padding: 12px 12px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  background: #fff;
  font: inherit;
}

.input:focus {
  outline: none;
  border-color: rgba(0, 103, 128, .35);
  box-shadow: 0 0 0 4px rgba(0, 103, 128, .12);
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

:root {
  --c-muted: #3f5166;
}

:root {
  --w-body: 400;
  --w-muted: 300;
  --w-nav: 700;
  --w-cta: 850;
}

body {
  font-weight: var(--w-body);
}

.muted {
  font-weight: var(--w-muted);
}

form  label {
  font-size: 17px;
}