/* ============================================================
   Language and Aging Research
   Stylesheet
   Colour scheme matches the Journal of Language and Aging Research.
   Typography: Bookman, as used in the journal.
   ============================================================ */

:root {
    --bg:           #fff5ed;
    --heading:      #671c0f;
    --text:         #5c1c12;
    --muted:        #774b37;
    --accent:       #ed8c4d;
    --rule:         #d9b89e;
    --card-bg:      #fffaf4;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: "Bookman Old Style", "URW Bookman", "URW Bookman L", Bookman, "Times New Roman", Georgia, serif;
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--heading);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color 0.15s ease;
}

a:hover,
a:focus {
    color: var(--accent);
}

/* ----------------------------------------------------------
   Header
   ---------------------------------------------------------- */

.site-header {
    text-align: center;
    padding: 4rem 1.5rem 2.5rem;
    border-bottom: 1px solid var(--rule);
}

.logo {
    width: 140px;
    height: 140px;
    display: block;
    margin: 0 auto 1.5rem;
}

.site-header h1 {
    color: var(--heading);
    font-size: 2.4rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    letter-spacing: 0.02em;
}

.tagline {
    color: var(--muted);
    font-size: 1.05rem;
    font-style: italic;
    margin: 0;
}

/* ----------------------------------------------------------
   Main content
   ---------------------------------------------------------- */

main {
    max-width: 760px;
    margin: 0 auto;
    padding: 3rem 1.5rem 2rem;
}

section {
    margin-bottom: 3rem;
}

section h2 {
    color: var(--heading);
    font-size: 1.7rem;
    font-weight: 700;
    margin: 0 0 1.25rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--rule);
}

section p {
    margin: 0 0 1rem;
}

.intro p {
    font-size: 1.1rem;
    line-height: 1.7;
}

/* ----------------------------------------------------------
   Conference cards
   ---------------------------------------------------------- */

.conf {
    background-color: var(--card-bg);
    border-left: 4px solid var(--heading);
    padding: 1.1rem 1.25rem 1.1rem 1.5rem;
    margin-bottom: 1.25rem;
    transition: border-color 0.15s ease;
}

.conf:hover {
    border-left-color: var(--accent);
}

.conf-head {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-bottom: 0.6rem;
}

.conf-head h3 {
    color: var(--heading);
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.conf-meta {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 0;
    font-style: italic;
}

.conf-theme {
    color: var(--text);
    margin: 0 0 0.5rem;
    font-size: 1rem;
}

.conf-host {
    color: var(--heading);
    font-size: 1.05rem;
    margin: 0 0 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dotted var(--rule);
}

.conf-host strong {
    font-weight: 700;
    margin-right: 0.25rem;
}

.conf-status {
    color: var(--muted);
    font-style: italic;
    margin: 0 0 0.5rem;
}

.conf-people {
    color: var(--text);
    font-size: 0.95rem;
    margin: 0.5rem 0 0;
    line-height: 1.55;
}

.conf-people strong {
    color: var(--heading);
    font-weight: 700;
}

.conf p {
    margin: 0 0 0.5rem;
}

.conf-links {
    margin: 0.9rem 0 0 !important;
    padding-top: 0.6rem;
    border-top: 1px solid var(--rule);
    font-size: 0.95rem;
}

.conf-links a {
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.conf-links a:hover,
.conf-links a:focus {
    border-bottom-color: var(--accent);
}

.conf-links .sep {
    color: var(--muted);
    margin: 0 0.5rem;
}

/* ----------------------------------------------------------
   Footer
   ---------------------------------------------------------- */

.site-footer {
    text-align: center;
    padding: 2rem 1.5rem 3rem;
    border-top: 1px solid var(--rule);
    color: var(--muted);
    font-size: 0.95rem;
}

.site-footer p {
    margin: 0.25rem 0;
}

/* ----------------------------------------------------------
   Responsive
   ---------------------------------------------------------- */

@media (max-width: 600px) {
    .site-header {
        padding: 2.5rem 1rem 1.5rem;
    }

    .logo {
        width: 110px;
        height: 110px;
    }

    .site-header h1 {
        font-size: 1.8rem;
    }

    .tagline {
        font-size: 0.95rem;
    }

    main {
        padding: 2rem 1rem 1rem;
    }

    section h2 {
        font-size: 1.4rem;
    }

    .conf h3 {
        font-size: 1.1rem;
    }

    body {
        font-size: 16px;
    }
}