/* ===== Base Typography & Defaults ===== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* --- Headings --- */
h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

/* --- Links --- */
a:not(.btn):not(.nav__link):not(.footer__link):not(.lang-switcher__btn) {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

a:not(.btn):not(.nav__link):not(.footer__link):hover {
  color: var(--color-accent-hover);
}

/* --- Selection --- */
::selection {
  background-color: var(--color-primary);
  color: var(--color-text);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* --- Screen reader only --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --- Focus visible --- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* --- Inline icon sizing --- */
.icon {
  width: 1.25em;
  height: 1.25em;
  display: inline-block;
  vertical-align: -0.25em;
  flex-shrink: 0;
}