Кнопка

.c-btn {
  --size-btn-border: 1px;
  --size-btn-border-radius: 8px;
  --clr-btn-text-light: var(--clr-white);
  --clr-btn-text-dark: var(--clr-sym-btn-text-dark);
  all: unset;
  display: inline-block;
  padding: 0.9375em;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.171875;
  text-align: center;
  border-radius: var(--size-btn-border-radius);
  user-select: none;
  transition: background 100ms ease-in-out, border 100ms ease-in-out, margin-bottom 70ms ease-in-out;
  cursor: pointer;
}
.c-btn:active {
  margin-bottom: -0.0625rem;
}
.c-btn:disabled {
  opacity: 0.65;
  pointer-events: none;
  cursor: default;
}
.c-btn--primary {
  --clr-btn-primary-back: var(--clr-primary-1);
  --clr-btn-primary-border: var(--clr-primary-1);
  --size-btn-primary-border: var(--size-btn-border);
  --clr-btn-primary-hover-back: var(--clr-primary-1-dark10);
  --clr-btn-primary-hover-border: var(--clr-primary-1-dark10);
  --clr-btn-primary-active-back: var(--clr-primary-1-dark20);
  --clr-btn-primary-active-border: var(--clr-primary-1-dark20);
  background-color: var(--clr-btn-primary-back);
  border: var(--size-btn-primary-border) solid var(--clr-btn-primary-border);
  color: var(--clr-btn-text-light);
}
.c-btn--primary:hover {
  background-color: var(--clr-btn-primary-hover-back);
  border: var(--size-btn-primary-border) solid var(--clr-btn-primary-hover-border);
}
.c-btn--primary:active {
  background-color: var(--clr-btn-primary-active-back);
  border: var(--size-btn-primary-border) solid var(--clr-btn-primary-active-border);
}
.c-btn--secondary {
  --clr-btn-secondary-back: var(--clr-primary-2);
  --clr-btn-secondary-border: var(--clr-primary-2);
  --clr-btn-secondary-hover-back: var(--clr-primary-2-dark10);
  --size-btn-secondary-border: var(--size-btn-border);
  --clr-btn-secondary-hover-border: var(--clr-primary-2-dark10);
  --clr-btn-secondary-active-back: var(--clr-primary-2-dark20);
  --clr-btn-secondary-active-border: var(--clr-primary-2-dark20);
  background-color: var(--clr-btn-secondary-back);
  border: var(--size-btn-secondary-border) solid var(--clr-btn-secondary-border);
  color: var(--clr-btn-text-light);
}
.c-btn--secondary:hover {
  background-color: var(--clr-btn-secondary-hover-back);
  border: var(--size-btn-secondary-border) solid var(--clr-btn-secondary-hover-border);
}
.c-btn--secondary:active {
  background-color: var(--clr-btn-secondary-active-back);
  border: var(--size-btn-secondary-border) solid var(--clr-btn-secondary-active-border);
}
.c-btn--alt {
  --clr-btn-alt-back: transparent;
  --clr-btn-alt-border: var(--clr-gray-3);
  --size-btn-alt-border: var(--size-btn-border);
  --clr-btn-alt-hover-border: var(--clr-font);
  --clr-btn-alt-active-border: var(--clr-gray-3);
  background-color: var(--clr-btn-alt-back);
  border: var(--size-btn-alt-border) solid var(--clr-btn-alt-border);
  color: var(--clr-btn-text-dark);
}
.c-btn--alt:hover {
  border: var(--size-btn-alt-border) solid var(--clr-btn-alt-hover-border);
}
.c-btn--alt:active {
  border: var(--size-btn-alt-border) solid var(--clr-btn-alt-active-border);
}
.c-btn__size-32 {
  width: 2rem;
  height: 2rem;
}
.c-btn__size-24 {
  width: 1.5rem;
  height: 1.5rem;
}
.c-btn__with-icon {
  padding: 0;
}
.c-btn__round {
  border-radius: 50%;
  background-color: var(--clr-gray-2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.c-btn--full-width {
  width: 100%;
}
.c-btn--large {
  font-size: 1.25rem;
}
.c-btn--small {
  font-size: 0.75rem;
}