/**
 * 01 - Base Styles
 * ==========================================================================
 * Reset, typography, and foundational styles
 */

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

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-body-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--ug-neutral-charcoal);
    background-color: var(--ug-neutral-white);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--font-display-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--ug-neutral-black);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--ug-gold-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ===== LISTS ===== */
ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

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

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

/* ===== ACCESSIBILITY ===== */
.sr-only,
.skip-links,
.skip-link {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border-width: 0 !important;
    left: -9999px !important;
}

/* Show skip links on focus for keyboard navigation */
.skip-link:focus {
    position: fixed !important;
    top: 10px !important;
    left: 10px !important;
    width: auto !important;
    height: auto !important;
    padding: 10px 20px !important;
    margin: 0 !important;
    overflow: visible !important;
    clip: auto !important;
    background: var(--ug-gold-primary) !important;
    color: var(--ug-neutral-black) !important;
    z-index: 100000 !important;
    border-radius: var(--radius-md) !important;
}

/* ===== UTILITIES ===== */
.text-gold {
    background: linear-gradient(45deg, var(--ug-gold-primary), var(--ug-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }