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

html {
    font-size: 100%;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-text);
    letter-spacing: 0.03em;
}

h1 {
    font-size: 2.625rem;
    letter-spacing: 0.05em;
}

h2 {
    font-size: 2rem;
    letter-spacing: 0.05em;
}

h3 {
    font-size: 1.5rem;
    letter-spacing: 0.03em;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1.5rem;
}

p:last-child {
    margin-bottom: 0;
}

ul, ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: var(--space-md);
    margin: var(--space-md) 0;
    font-style: italic;
    color: var(--color-text-light);
}

/* Utility */
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #f1f1f1;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    color: #21759b;
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}