/* ==========================================================================
   base.css — CSS reset + base element styles
   Depends on variables.css and typography.css (load those first).
   ========================================================================== */

/* --- Reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font: var(--text-body);
  letter-spacing: var(--tracking-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  text-rendering: optimizeLegibility;
}

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

ul,
ol {
  list-style: none;
}

/* --- Headings --- */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-charcoal);
  text-wrap: balance;
}

h1 {
  font: var(--text-h1);
  letter-spacing: var(--tracking-h1);
}

h2 {
  font: var(--text-h2);
  letter-spacing: var(--tracking-h2);
}

h3 {
  font: var(--text-h3);
  letter-spacing: var(--tracking-h3);
}

p {
  text-wrap: pretty;
}

/* --- Links --- */
a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-link-hover);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* --- Buttons --- */
button,
.btn {
  font: var(--text-small);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.01em;
  font-family: var(--font-body);
  color: var(--color-white);
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--radius-button);
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

button:hover,
.btn:hover {
  background-color: var(--color-link-hover);
}

button:active,
.btn:active {
  transform: translateY(1px);
}

/* --- Layout helper --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}