/* ============================================================
   styles.css  –  Organisation Page Template
   Author  : Student Template
   Validates: W3C CSS Level 3
   ============================================================ */

/* ── CSS Custom Properties ───────────────────────────────────── */
:root {
    --colour-header-logo:  #e05c6a;
    --colour-header-nav:   #f4a0a8;
    --colour-mid-bg:       #b0b0b0;
    --colour-body-white:   #ffffff;
    --colour-sidebar-bg:   #ffffff;
    --colour-footer-bg:    #4a4a4a;
    --colour-footer-text:  #ffffff;
    --colour-article-bg:   #b8b8e8;   /* purple placeholder */
    --colour-aside-block:  #b8b8e8;   /* purple placeholder */
    --colour-text:         #1a1a1a;
    --colour-link:         #1a5276;
    --colour-link-hover:   #e05c6a;
    --sidebar-width:       260px;
    --header-height:       160px;     /* > 125px and < 300px */
    --footer-height:       300px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: Georgia, 'Times New Roman', Times, serif;
    color: var(--colour-text);
    background-color: var(--colour-mid-bg);
    min-width: 320px;
}

/* ══════════════════════════════════════════════════════════════
   HEADER  (Logo + Navigation)
   ══════════════════════════════════════════════════════════════ */
#site-header {
    display: flex;
    align-items: stretch;
    width: 100%;
    height: var(--header-height);
    overflow: hidden;
}

/* Logo column – aligns with the left content column */
#logo {
    flex: 0 0 auto;
    width: calc(100% - var(--sidebar-width));
    max-width: calc(100% - var(--sidebar-width));
    background-color: var(--colour-header-logo);
    display: flex;
    align-items: center;
    padding: 16px 24px;
}

#logo a {
    text-decoration: none;
    color: #ffffff;
}

#logo-text {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    color: #ffffff;
}

/* Navigation column – aligns with the right sidebar column */
#site-nav {
    flex: 0 0 var(--sidebar-width);
    width: var(--sidebar-width);
    background-color: var(--colour-header-nav);
    display: flex;
    align-items: center;
    padding: 16px 20px;
}

#site-nav ul {
    list-style: none;
    width: 100%;
}

#site-nav ul li {
    border-bottom: 1px solid rgba(255,255,255,0.4);
}

#site-nav ul li:last-child {
    border-bottom: none;
}

#site-nav ul li a {
    display: block;
    padding: 10px 12px;
    color: var(--colour-text);
    text-decoration: none;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.9rem;
    font-weight: bold;
    transition: background-color 0.2s ease, color 0.2s ease;
    border-radius: 3px;
}

#site-nav ul li a:hover,
#site-nav ul li a:focus {
    background-color: rgba(255, 255, 255, 0.55);
    color: var(--colour-header-logo);
    outline: 2px solid var(--colour-header-logo);
    outline-offset: -2px;
}

#site-nav ul li a[aria-current="page"] {
    background-color: rgba(255,255,255,0.7);
    color: var(--colour-header-logo);
}

/* ══════════════════════════════════════════════════════════════
   MIDDLE WRAPPER  (grey background)
   ══════════════════════════════════════════════════════════════ */
#page-wrapper {
    display: flex;
    align-items: flex-start;
    width: 100%;
    background-color: var(--colour-mid-bg);
    padding: 16px;
    gap: 16px;
}

/* ── Left: Main Content Column ──────────────────────────────── */
#main-content-wrapper {
    flex: 1 1 auto;
    min-width: 0;          /* prevent overflow */
    background-color: var(--colour-body-white);
    padding: 16px;
}

/* Page heading area */
#page-heading-area {
    background-color: var(--colour-article-bg);
    padding: 16px 20px;
    margin-bottom: 12px;
}

#page-heading-area h1 {
    font-size: 1.4rem;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--colour-text);
}

/* News articles container */
#news-container {
    background-color: var(--colour-article-bg);
    padding: 20px;
}

#news-container h2 {
    font-size: 1.1rem;
    font-family: Arial, Helvetica, sans-serif;
    margin-bottom: 16px;
    color: var(--colour-text);
}

/* ── Individual news article ────────────────────────────────── */
article.news-article {
    background-color: rgba(255,255,255,0.55);
    border-left: 4px solid var(--colour-header-logo);
    padding: 16px;
    margin-bottom: 20px;
}

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

/* Date badge */
.article-date-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--colour-header-logo);
    color: #ffffff;
    width: 56px;
    padding: 6px 0;
    margin-bottom: 10px;
    border-radius: 3px;
    line-height: 1.1;
}

.article-date-badge .day {
    font-size: 1.6rem;
    font-weight: bold;
    font-family: Arial, Helvetica, sans-serif;
}

.article-date-badge .month {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: Arial, Helvetica, sans-serif;
}

/* Article heading */
article.news-article h3 {
    font-size: 1.15rem;
    font-family: Arial, Helvetica, sans-serif;
    margin-bottom: 6px;
    color: var(--colour-text);
}

/* Article meta */
.article-meta {
    font-size: 0.8rem;
    color: #555555;
    font-family: Arial, Helvetica, sans-serif;
    margin-bottom: 10px;
}

.article-meta time {
    font-style: italic;
}

.article-meta .author-link {
    color: var(--colour-link);
    text-decoration: underline;
}

.article-meta .author-link:hover,
.article-meta .author-link:focus {
    color: var(--colour-link-hover);
}

/* Article body */
article.news-article p.article-excerpt {
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: 10px;
    color: var(--colour-text);
}

/* Read more link */
a.read-more {
    display: inline-block;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.85rem;
    font-weight: bold;
    color: var(--colour-link);
    text-decoration: none;
    border-bottom: 2px solid var(--colour-link);
    padding-bottom: 1px;
    transition: color 0.2s, border-color 0.2s;
}

a.read-more:hover,
a.read-more:focus {
    color: var(--colour-link-hover);
    border-color: var(--colour-link-hover);
}

/* ── Right: Sidebar ─────────────────────────────────────────── */
#sidebar {
    flex: 0 0 var(--sidebar-width);
    width: var(--sidebar-width);
    background-color: var(--colour-sidebar-bg);
    padding: 16px;
    align-self: stretch;
}

/* Page controls block */
#page-controls {
    background-color: var(--colour-aside-block);
    padding: 16px;
    margin-bottom: 12px;
}

#page-controls h2 {
    font-size: 1rem;
    font-family: Arial, Helvetica, sans-serif;
    margin-bottom: 10px;
    color: var(--colour-text);
}

#page-controls ul {
    list-style: none;
}

#page-controls ul li {
    margin-bottom: 6px;
}

#page-controls ul li a {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.85rem;
    color: var(--colour-link);
    text-decoration: underline;
}

#page-controls ul li a:hover,
#page-controls ul li a:focus {
    color: var(--colour-link-hover);
}

/* Supplementary block */
#supplementary {
    background-color: var(--colour-aside-block);
    padding: 16px;
}

#supplementary h2 {
    font-size: 1rem;
    font-family: Arial, Helvetica, sans-serif;
    margin-bottom: 10px;
    color: var(--colour-text);
}

#supplementary p {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--colour-text);
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */
#site-footer {
    width: 100%;
    height: var(--footer-height);
    background-color: var(--colour-footer-bg);
    color: var(--colour-footer-text);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

#site-footer h2 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--colour-footer-text);
}

.footer-columns {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-col h3 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.85rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #cccccc;
    margin-bottom: 8px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 5px;
}

.footer-col ul li a {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.82rem;
    color: #bbbbbb;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col ul li a:hover,
.footer-col ul li a:focus {
    color: #ffffff;
    text-decoration: underline;
}

.footer-legal {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.75rem;
    color: #888888;
    border-top: 1px solid #666666;
    padding-top: 12px;
    margin-top: 12px;
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ══════════════════════════════════════════════════════════════ */

/* Tablet: collapse sidebar under main content */
@media screen and (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
        --header-height: 140px;
    }

    #site-header {
        flex-direction: column;
        height: auto;
    }

    #logo {
        width: 100%;
        max-width: 100%;
    }

    #site-nav {
        width: 100%;
        flex: none;
    }

    #site-nav ul {
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
    }

    #site-nav ul li {
        border-bottom: none;
    }

    #site-nav ul li a {
        padding: 8px 14px;
        border: 1px solid rgba(255,255,255,0.5);
        border-radius: 4px;
    }

    #page-wrapper {
        flex-direction: column;
        padding: 12px;
        gap: 12px;
    }

    #sidebar {
        width: 100%;
        flex: none;
    }

    #page-controls,
    #supplementary {
        display: inline-block;
        width: calc(50% - 6px);
        vertical-align: top;
    }

    .footer-columns {
        gap: 24px;
    }
}

/* Mobile */
@media screen and (max-width: 480px) {
    #logo-text {
        font-size: 1.4rem;
    }

    #page-heading-area h1 {
        font-size: 1.1rem;
    }

    #page-controls,
    #supplementary {
        display: block;
        width: 100%;
        margin-bottom: 10px;
    }

    .footer-columns {
        flex-direction: column;
        gap: 16px;
    }

    #site-footer {
        padding: 20px 16px;
    }
}

/* Print */
@media print {
    #site-nav,
    #page-controls,
    .skip-nav {
        display: none;
    }

    #page-wrapper,
    #site-header {
        display: block;
    }

    #site-footer {
        height: auto;
    }

    body {
        background: white;
        color: black;
    }
}