/*
 * jog0 CSS - Main stylesheet for orlingrabbe.com
 * Rules are grouped by editorial content domain so the stylesheet can evolve
 * without requiring a markup migration up front.
 */

/* Tokens: shared values for future consolidation; legacy declarations remain explicit. */
:root {
    --color-bg: #fefdf9;
    --color-page-bg: #fefdf9;
    --color-surface: #FFFFFF;
    --color-surface-alt: #fefdf9;
    --color-text: #000066;
    --color-heading: #44570f;
    --color-link: #0000EE;
    --color-nav-bg: #2c3e50;
    --color-nav-text: #ecf0f1;
    --color-nav-hover: #34495e;
    --color-nav-active: #2c5aa0;
    --color-rule: #8c8c8c;
    --color-border: #34495e;
    --color-shadow: rgba(0,0,0,0.1);
    --color-white: #fff;

    --font-family-body: Georgia, "Times New Roman", Times, serif;
    --font-family-nav: Verdana, sans-serif;
    --font-size-small: small;

    --space-0: 0;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-block: 1em;
    --space-article-gutter: 10px;
    --space-article-offset: 4rem;

    --width-content: 80%;
    --width-content-md: 85%;
    --width-content-sm: 90%;
    --width-nav-shell: 65px;
    --width-nav-shell-mobile: 50px;
    --max-width-container: 1200px;
    --nav-hamburger-width: 30px;
    --nav-radius: 4px;
}

/* Base: document-wide defaults and accessibility utilities. */
* {
    box-sizing: border-box;
}

body {
    background-color: var(--color-bg);
    font-family: var(--font-family-body);
    margin: var(--space-0);
    padding: var(--space-0);
}

/* Main container */
main {
    width: 100%;
    margin: 0;
    padding: 0;
}

/* Screen reader only - visually hidden but accessible */
.sr-only {
    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: 0 !important;
}

/* Typography: global text and link defaults; the class alias supports future masthead markup. */
h1 {
    color: var(--color-text);
    text-align: center;
}

h2 {
    color: var(--color-heading);
    text-align: center;
}

h3 {
    color: var(--color-heading);
    text-align: center;
    margin: var(--space-block) 0;
}

a,
.masthead-link {
    color: var(--color-link);
    text-decoration: underline;
}

/* Layout: page-level containers and reusable alignment helpers. */
body > p {
    text-align: left;
    margin: var(--space-article-gutter);
}

.center-image {
    text-align: center;
    margin: 1em 0;
}

hr {
    border: none;
    border-top: 1px solid var(--color-rule);
    margin: var(--space-block) 0;
}

/* Masthead */

.masthead {
    background-color: var(--color-bg);
    text-align: left;
}


.masthead-image {
    display: block;
}

/* Navigation: structural and interactive rules are kept together by component. */
.nav-shell {
    background-color: var(--color-nav-bg);
    height: var(--width-nav-shell);
    position: relative;
}

.main-navigation {
    background-color: var(--color-nav-bg);
    padding: var(--space-sm) 0;
    box-shadow: 0 2px 4px var(--color-shadow);
    margin-bottom: var(--space-md);
    position: relative;
}

.nav-container {
    max-width: var(--max-width-container);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.75rem;
    z-index: 1000;
    width: auto;
    height: auto;
    min-height: 44px;
    min-width: 44px;
}

.hamburger-line {
    display: block;
    width: var(--nav-hamburger-width);
    height: 4px;
    background-color: var(--color-nav-text);
    margin: 6px auto;
    transition: all 0.3s ease;
    transform-origin: center;
    border-radius: 2px;
    position: relative;
}

.nav-toggle-open .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.nav-toggle-open .hamburger-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle-open .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.nav-item {
    margin: 0;
}

.nav-link {
    color: var(--color-nav-text);
    text-decoration: none;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--nav-radius);
    transition: background-color 0.3s ease;
    display: block;
    white-space: nowrap;
    font-family: var(--font-family-nav);
}

.nav-link:hover {
    background-color: var(--color-nav-hover);
    color: var(--color-white);
}

.nav-link.active {
    background-color: var(--color-nav-active);
    color: var(--color-white);
}

/* Article: content-specific measure, prose, notes, quotations, and source treatment. */
.article,
article {
    width: var(--width-content);
    background-color: var(--color-surface);
    margin-left: auto;
    margin-right: auto;
    padding: var(--space-article-gutter);
    box-sizing: border-box;
}

.article-content {
    text-align: justify;
    padding: 1px;
}

.article-content p {
    text-align: justify;
    margin: 0 0 1em 0;
}

.article-content p:last-of-type {
    margin-bottom: 0;
}

.quote-attribution {
    text-align: center;
    margin: 0 0 1em 0;
    font-style: italic;
}

.article-note {
    margin: 1em 0;
}

.article-note p {
    margin: 0 0 0.5em 0;
}

.article-footer {
    text-align: center;
}

.article-source {
    font-size: var(--font-size-small);
    text-align: center !important;
    margin: 0;
}
blockquote {
  margin: 1.5em 0;
  padding-left: 1.5rem;
  border-left: 3px solid #2c3e50; /* Accent colored border */
  font-style: italic;             /* Optional italic styling */
  color: #555555;                 /* Softened text color */
  line-height: 1.6;
}

/* Footer: site-wide footer content, separate from the article's own footer. */

.site-footer {
    text-align: center;
    margin: 1em 0;
}


.copyleft {
    display: inline-block;
    transform: scaleX(-1);
}

/* Responsive: keep breakpoint overrides last so component defaults stay easy to scan. */
@media (max-width: 768px) {
    article,
    .article {
        width: var(--width-content-md);
    }
}

@media (max-width: 480px) {
    article,
    .article {
        width: var(--width-content-sm);
    }

    article p,
    .article-content p {
        text-align: left;
    }

    .article-content {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .main-navigation {
        padding: 1rem 0;
    }

    .nav-shell {
        height: var(--width-nav-shell-mobile);
    }

    .nav-toggle {
        display: block;
        position: absolute;
        right: 1rem;
        top: 25px;
        transform: translateY(-50%);
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-nav-bg);
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: 0 4px 6px var(--color-shadow);
        z-index: 999;
    }

    .nav-menu-open {
        max-height: 400px;
    }

    .nav-item {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-item:last-child {
        border-bottom: none;
    }

    .nav-link {
        padding: 1rem;
        border-radius: 0;
    }

    .nav-container {
        padding-right: var(--space-article-offset);
    }
}

@media (max-width: 480px) {
    .nav-link {
        font-size: 0.9rem;
        padding: 0.875rem 1rem;
    }
}