/* ================================================================
   CSS Reset & Normalization
   ================================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-normal),
              color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Headings ---- */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin: 0;
}

/* ---- Text Elements ---- */
p {
  margin: 0;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-dark);
}

/* ---- Lists ---- */
ul, ol {
  list-style: none;
}

/* ---- Form Elements ---- */
input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
}

input, textarea {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-input-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: var(--color-bg);
}

textarea {
  resize: vertical;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-weight: var(--font-weight-semibold);
}

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

/* ---- SVG ---- */
svg {
  display: block;
}

/* ---- Tables ---- */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ---- Abbreviations ---- */
abbr[title] {
  text-decoration: underline dotted;
  cursor: help;
}

/* ---- Horizontal Rule ---- */
hr {
  border: none;
  border-top: 1px solid var(--color-border);
  height: 0;
}

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