/* Custom styles for Mathilde Bechdolf's academic website — Bootstrap overrides */

/* ── Design tokens ────────────────────────────────────────────────────────── */
:root {
    --accent:       #5B1133;   /* deep burgundy       */
    --accent-light: #831D4C;   /* links / interactive */
    --accent-pale:  #faedf3;   /* tinted backgrounds  */
    --text:         #2c3e50;   /* body copy           */
    --text-muted:   #7a6570;
    --border:       #e8d4dd;
    --bg:           #fdfdfe;
    --bg-card:      #fdf6f9;
    --radius:       6px;
    --shadow-sm:    0 1px 3px rgba(0,0,0,0.06);
    --shadow-md:    0 4px 16px rgba(0,0,0,0.08);
    --transition:   0.25s ease;
}

/* ── Typography ───────────────────────────────────────────────────────────── */
body {
    font-family: "Charter", "Bitstream Charter", "Sitka Text",
                 Cambria, "Noto Serif", serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.72;
    font-size: 1.2rem;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.navbar-brand {
    font-family: "Inter", "Helvetica Neue", Arial, system-ui, sans-serif;
    color: var(--accent);
    letter-spacing: -0.01em;
}

h1 { font-size: 2rem;   font-weight: 700; margin-bottom: 0.6rem; }
h2 { font-size: 1.55rem; font-weight: 700; margin-bottom: 0.5rem; }
h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.4rem; }

p { margin-bottom: 1rem; }

a {
    color: var(--accent-light);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1.5px;
}

/* ── Navbar ────────────────────────────────────────────────────────────────── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    transition: box-shadow var(--transition);
}

.navbar-brand {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--accent) !important;
    letter-spacing: -0.02em;
}

.navbar-nav .nav-link {
    color: var(--text-muted);
    font-family: "Inter", "Helvetica Neue", Arial, system-ui, sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.4rem 0.85rem !important;
    border-radius: var(--radius);
    transition: color var(--transition), background var(--transition);
    letter-spacing: 0.01em;
    text-transform: uppercase;
}

.navbar-nav .nav-link:hover {
    color: var(--accent);
    background: var(--accent-pale);
    text-decoration: none;
}

.navbar-nav .nav-link.active {
    color: var(--accent);
    font-weight: 600;
    background: var(--accent-pale);
}

/* ── Main content area ────────────────────────────────────────────────────── */
main.container {
    padding-top: 1.5rem;
}

/* ── Profile image ────────────────────────────────────────────────────────── */
img.profile-float {
    float: right;
    max-width: 240px;
    border-radius: var(--radius);
    margin: 0.2rem 0 1.5rem 2rem;
    box-shadow: var(--shadow-md);
    border: 3px solid #fff;
    outline: 1px solid var(--border);
}

/* ── Highlighted section (job market paper) ───────────────────────────────── */
.highlight {
    background: var(--accent-pale);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.4rem 1.8rem;
    margin: 1.8rem 0;
    font-size: 0.95em;
    overflow: hidden;
}

.highlight h4 {
    margin-top: 0;
    margin-bottom: 0.3rem;
    color: var(--accent);
    font-weight: 600;
}

.highlight .subtitle {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.9em;
    margin-bottom: 0.8rem;
}

.highlight .tags {
    color: #b89aa4;
    font-size: 0.82em;
    font-family: "Inter", sans-serif;
    letter-spacing: 0.02em;
}

/* ── Kickboxing / secondary info brief ────────────────────────────────────── */
.kickboxing-brief {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem 1.5rem;
    margin: 1.5rem 0;
    font-size: 0.95em;
}

/* ── Section dividers ─────────────────────────────────────────────────────── */
.section-divider {
    border-bottom: 2px solid var(--accent-pale);
    padding-bottom: 0.35rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

/* ── Card hover effect ────────────────────────────────────────────────────── */
.card-hover {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: transform var(--transition), box-shadow var(--transition);
}

.card-hover:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* ── Definition lists (record / data tables) ──────────────────────────────── */
dt {
    font-family: "Inter", sans-serif;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1rem;
    color: var(--accent);
}

dd {
    margin-bottom: 0.5rem;
    margin-left: 1rem;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
footer {
    border-top: 1px solid var(--border) !important;
    font-size: 0.88rem;
    color: var(--text-muted);
}

footer a {
    color: var(--accent-light);
}

footer .social-link img {
    width: 14px;
    height: 14px;
    margin-right: 0.3rem;
    vertical-align: middle;
    opacity: 0.7;
    transition: opacity var(--transition);
}

footer .social-link:hover img {
    opacity: 1;
}

/* ── Utility: subtle horizontal rule ──────────────────────────────────────── */
hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}

/* ── Lists inside main content ────────────────────────────────────────────── */
main ul, main ol {
    padding-left: 1.4rem;
}

main li {
    margin-bottom: 0.35rem;
}

/* ── Responsive adjustments ───────────────────────────────────────────────── */
@media (max-width: 576px) {
    img.profile-float {
        float: none;
        display: block;
        margin: 0 auto 1.5rem auto;
        max-width: 100%;
    }

    main.container {
        padding-top: 1rem;
    }

    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.3rem; }

    .highlight {
        padding: 1rem 1.2rem;
    }
}

@media (min-width: 577px) and (max-width: 768px) {
    img.profile-float {
        max-width: 200px;
    }
}

/* ── Selection color ──────────────────────────────────────────────────────── */
::selection {
    background: var(--accent-pale);
    color: var(--accent);
}