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

html {
    height: 100%;
    /* Font-size scaling handled by js/scaling.js */
}

body {
    height: 100%;
    font-family: var(--font-family-base);
    color: var(--color-text-dark);
    background-color: var(--color-bg-light);
    background-image: radial-gradient(circle, #d1d5db 1px, transparent 1px);
    background-size: 20px 20px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
    list-style: none;
}

button,
input,
textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    background: none;
    border: none;
}

/* Container Utility */
.container {
    width: 100%;
    max-width: 1920px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
}

@media (min-width: 768px) {
    .container {
        padding-left: var(--spacing-8);
        padding-right: var(--spacing-8);
    }
}

@media (min-width: 1440px) {
    .container {
        padding-left: var(--spacing-16);
        padding-right: var(--spacing-16);
    }
}

/* ================================
   Accessibility Utilities
   ================================ */

/* Visually hidden but accessible to screen readers */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip navigation link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-secondary, #283892);
    color: #fff;
    padding: 8px 16px;
    z-index: 10000;
    text-decoration: none;
    font-weight: 500;
    border-radius: 0 0 4px 0;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid var(--color-primary, #F9A01B);
    outline-offset: 2px;
}

/* Focus styles for all interactive elements */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--color-primary, #F9A01B);
    outline-offset: 2px;
}

/* Remove default focus outline only when focus-visible is supported */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary, #F9A01B);
    outline-offset: 2px;
}