/* ============================================
   Base Styles & Reset
   ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  background: var(--color-bg-primary);
  color: var(--color-text-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  opacity: 0;
  transition: opacity 0.05s ease;
}

body.loaded {
  opacity: 1;
}

/* Scroll offset for sticky header */
[id] {
  scroll-margin-top: calc(var(--header-height) + 20px);
}

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

/* Links */
a {
  color: inherit;
  transition: color var(--transition-default);
}

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

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  color: var(--color-text-primary);
  margin: 0;
  line-height: 1.2;
}

h1 { font-size: 48px; }
h2 { font-size: 36px; }
h3 { font-size: 24px; }
h4 { font-size: 18px; }

@media screen and (max-width: 768px) {
  h1 { font-size: 32px; }
  h2 { font-size: 28px; }
  h3 { font-size: 20px; }
}

/* Paragraphs */
p {
  margin: 0 0 16px;
}

/* Lists */
ul, ol {
  margin: 0;
  padding: 0;
}

/* Form elements */
button {
  font-family: var(--font-body);
  cursor: pointer;
}

input, textarea, select {
  font-family: var(--font-body);
}

/* Utility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}