* {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: #f4f1ea;
    color: #1e1e1e;
    line-height: 1.65;
    font-size: 1rem;
    --era-accent: #b8954a;
    --era-accent-soft: rgba(184, 149, 74, 0.22);
    --era-accent-bg: #f9f6ef;
    --font-sans: "Source Sans 3", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    --font-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -4rem;
    z-index: 200;
    padding: 0.65rem 1rem;
    background: #1a2332;
    color: #f7f5f0;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: 4px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.skip-link:focus {
    top: 1rem;
    outline: 3px solid #b8954a;
    outline-offset: 2px;
}

:focus-visible {
    outline: 2px solid var(--era-accent, #b8954a);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* Era accent colors (also referenced in timeline.js) */
body[data-era="ancient"],
.era-card[data-era="ancient"] {
    --era-accent: #c17f3a;
    --era-accent-soft: rgba(193, 127, 58, 0.22);
    --era-accent-bg: #faf5ef;
}

body[data-era="medieval"],
.era-card[data-era="medieval"] {
    --era-accent: #6b4c8a;
    --era-accent-soft: rgba(107, 76, 138, 0.2);
    --era-accent-bg: #f6f3f8;
}

body[data-era="renaissance"],
.era-card[data-era="renaissance"] {
    --era-accent: #b83a3a;
    --era-accent-soft: rgba(184, 58, 58, 0.2);
    --era-accent-bg: #faf3f3;
}

body[data-era="enlightenment"],
.era-card[data-era="enlightenment"] {
    --era-accent: #2e6b9e;
    --era-accent-soft: rgba(46, 107, 158, 0.2);
    --era-accent-bg: #f2f6fa;
}

body[data-era="nineteenth"],
.era-card[data-era="nineteenth"] {
    --era-accent: #3d6b5c;
    --era-accent-soft: rgba(61, 107, 92, 0.2);
    --era-accent-bg: #f2f7f5;
}

body[data-era="contemporary"],
.era-card[data-era="contemporary"] {
    --era-accent: #4a5a9e;
    --era-accent-soft: rgba(74, 90, 158, 0.2);
    --era-accent-bg: #f3f4f9;
}

body[data-era]:not([data-era=""]) {
    background-color: var(--era-accent-bg);
}

body[data-era]:not([data-era=""]) .site-header {
    border-bottom-color: var(--era-accent);
}

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

a {
    color: #2c4a6e;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.site-header {
    background: linear-gradient(135deg, #1a2332 0%, #2c3e50 100%);
    color: #f7f5f0;
    padding: 1.25rem 2rem;
    border-bottom: 4px solid #b8954a;
    position: relative;
    z-index: 40;
    overflow: visible;
}

.site-header .brand {
    font-family: var(--font-serif);
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.site-header .tagline {
    font-size: 0.9rem;
    opacity: 0.85;
    margin-top: 0.25rem;
}

.era-timeline {
    margin-top: 1.15rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(247, 245, 240, 0.2);
}

.era-timeline-track {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    max-width: 100%;
    gap: 0.25rem;
}

.era-timeline-line {
    position: absolute;
    top: 9px;
    left: 5%;
    right: 5%;
    height: 3px;
    background: #b8954a;
    border-radius: 2px;
    z-index: 0;
    pointer-events: none;
    transition: background 0.25s ease;
}

.era-timeline-point {
    position: relative;
    z-index: 1;
    flex: 1;
    min-width: 0;
    text-align: center;
    color: #f7f5f0;
    text-decoration: none;
    padding: 0 0.15rem 0.15rem;
    border-radius: 4px;
    transition: color 0.2s;
}

.era-timeline-point:hover,
.era-timeline-point:focus {
    color: #fff;
    text-decoration: none;
    outline: none;
}

.era-timeline-point:focus-visible {
    box-shadow: 0 0 0 2px #b8954a;
}

.era-timeline-dot {
    display: block;
    width: 16px;
    height: 16px;
    margin: 0 auto 0.45rem;
    border-radius: 50%;
    background: #1a2332;
    border: 3px solid #b8954a;
    transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
}

.era-timeline-point:hover .era-timeline-dot,
.era-timeline-point:focus .era-timeline-dot {
    transform: scale(1.15);
    background: #8fa4c4;
    border-color: #f7f5f0;
}

.era-timeline-point.active .era-timeline-dot {
    background: #b8954a;
    border-color: #f7f5f0;
    box-shadow: 0 0 0 4px rgba(143, 164, 196, 0.45);
    transform: scale(1.2);
}

/* Timeline line/dots stay gold; era labels use era colors on hover / active */
.era-timeline-point[data-era="ancient"]:hover .era-timeline-label,
.era-timeline-point[data-era="ancient"]:focus .era-timeline-label,
.era-timeline-point[data-era="ancient"].active .era-timeline-label,
.era-timeline-point[data-era="ancient"]:hover .era-timeline-date,
.era-timeline-point[data-era="ancient"]:focus .era-timeline-date,
.era-timeline-point[data-era="ancient"].active .era-timeline-date {
    color: #c17f3a;
}

.era-timeline-point[data-era="medieval"]:hover .era-timeline-label,
.era-timeline-point[data-era="medieval"]:focus .era-timeline-label,
.era-timeline-point[data-era="medieval"].active .era-timeline-label,
.era-timeline-point[data-era="medieval"]:hover .era-timeline-date,
.era-timeline-point[data-era="medieval"]:focus .era-timeline-date,
.era-timeline-point[data-era="medieval"].active .era-timeline-date {
    color: #6b4c8a;
}

.era-timeline-point[data-era="renaissance"]:hover .era-timeline-label,
.era-timeline-point[data-era="renaissance"]:focus .era-timeline-label,
.era-timeline-point[data-era="renaissance"].active .era-timeline-label,
.era-timeline-point[data-era="renaissance"]:hover .era-timeline-date,
.era-timeline-point[data-era="renaissance"]:focus .era-timeline-date,
.era-timeline-point[data-era="renaissance"].active .era-timeline-date {
    color: #b83a3a;
}

.era-timeline-point[data-era="enlightenment"]:hover .era-timeline-label,
.era-timeline-point[data-era="enlightenment"]:focus .era-timeline-label,
.era-timeline-point[data-era="enlightenment"].active .era-timeline-label,
.era-timeline-point[data-era="enlightenment"]:hover .era-timeline-date,
.era-timeline-point[data-era="enlightenment"]:focus .era-timeline-date,
.era-timeline-point[data-era="enlightenment"].active .era-timeline-date {
    color: #2e6b9e;
}

.era-timeline-point[data-era="nineteenth"]:hover .era-timeline-label,
.era-timeline-point[data-era="nineteenth"]:focus .era-timeline-label,
.era-timeline-point[data-era="nineteenth"].active .era-timeline-label,
.era-timeline-point[data-era="nineteenth"]:hover .era-timeline-date,
.era-timeline-point[data-era="nineteenth"]:focus .era-timeline-date,
.era-timeline-point[data-era="nineteenth"].active .era-timeline-date {
    color: #3d6b5c;
}

.era-timeline-point[data-era="contemporary"]:hover .era-timeline-label,
.era-timeline-point[data-era="contemporary"]:focus .era-timeline-label,
.era-timeline-point[data-era="contemporary"].active .era-timeline-label,
.era-timeline-point[data-era="contemporary"]:hover .era-timeline-date,
.era-timeline-point[data-era="contemporary"]:focus .era-timeline-date,
.era-timeline-point[data-era="contemporary"].active .era-timeline-date {
    color: #4a5a9e;
}

.era-timeline-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.era-timeline-date {
    display: block;
    font-size: 0.62rem;
    opacity: 0.75;
    margin-top: 0.1rem;
}

@media (max-width: 1024px) {
    .era-timeline {
        margin-top: 0.85rem;
        padding-top: 0.75rem;
    }

    .era-timeline-line {
        top: 7px;
        height: 2px;
    }

    .era-timeline-dot {
        width: 12px;
        height: 12px;
        border-width: 2px;
        margin-bottom: 0.35rem;
    }

    .era-timeline-label {
        font-size: 0.62rem;
    }

    .era-timeline-date {
        font-size: 0.55rem;
    }

    .era-timeline-point.active .era-timeline-dot {
        box-shadow: 0 0 0 3px rgba(143, 164, 196, 0.45);
    }
}

@media (max-width: 768px) {
    .era-timeline-track {
        overflow-x: auto;
        justify-content: flex-start;
        gap: 0.35rem;
        padding-bottom: 0.4rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-color: #b8954a #1a2332;
        scrollbar-width: thin;
    }

    .era-timeline-line {
        left: 1.5rem;
        right: 1.5rem;
    }

    .era-timeline-point {
        flex: 0 0 auto;
        min-width: 3.75rem;
        max-width: 5.5rem;
    }

    .era-timeline-label {
        white-space: normal;
        font-size: 0.58rem;
        line-height: 1.15;
    }

    .era-timeline-date {
        font-size: 0.5rem;
    }
}

@media (max-width: 480px) {
    .era-timeline-date {
        display: none;
    }

    .era-timeline-point {
        min-width: 3.25rem;
        max-width: 4.75rem;
    }

    .era-timeline-label {
        font-size: 0.52rem;
    }

    .era-timeline-dot {
        width: 10px;
        height: 10px;
        margin-bottom: 0.3rem;
    }

    .era-timeline-line {
        top: 6px;
    }

}

nav.main-nav {
    background-color: #fff;
    border-bottom: 1px solid #d4cfc4;
    padding: 0.5rem 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    align-items: center;
    position: relative;
    z-index: 50;
    overflow: visible;
}

nav.main-nav a {
    font-size: 0.9rem;
    font-weight: 600;
    color: #1a2332;
    padding: 0.35rem 0;
}

nav.main-nav a.active {
    color: var(--era-accent, #b8954a);
    border-bottom: 2px solid var(--era-accent, #b8954a);
}

.nav-era-dropdown {
    position: relative;
    align-self: stretch;
    display: flex;
    align-items: center;
}

.nav-era-dropdown::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 12px;
}

.nav-era-trigger {
    display: inline-block;
    padding: 0.35rem 0;
}

.nav-era-menu {
    display: none;
    position: fixed;
    min-width: 220px;
    max-width: min(280px, calc(100vw - 24px));
    margin: 0;
    padding: 0.5rem 0 0.35rem;
    background: #fff;
    border: 1px solid #d4cfc4;
    box-shadow: 0 8px 24px rgba(26, 35, 50, 0.14);
    z-index: 1000;
    border-radius: 4px;
    pointer-events: none;
}

.nav-era-dropdown.is-open .nav-era-menu {
    display: block;
    pointer-events: auto;
}

.nav-era-menu-header {
    padding: 0.45rem 1.15rem 0.5rem;
    border-bottom: 1px solid #e8e4dc;
    margin-bottom: 0.25rem;
    line-height: 1.25;
}

.nav-era-menu-era {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: #1a2332;
}

.nav-era-menu-title {
    display: block;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #888;
    font-weight: 700;
    margin-top: 0.15rem;
}

/* Higher specificity than nav.main-nav a (which zeroes horizontal padding) */
nav.main-nav .nav-era-menu a {
    display: block;
    padding: 0.45rem 1.15rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: #1a2332;
    text-decoration: none;
    border-bottom: none;
    line-height: 1.3;
}

nav.main-nav .nav-era-menu a:hover {
    background: #f4f1ea;
    color: #2c4a6e;
    text-decoration: none;
}

nav.main-nav .nav-era-menu a.active {
    background: #f4f1ea;
    color: var(--era-accent, #b8954a);
    border-bottom: none;
}

nav.main-nav .nav-era-menu a.nav-era-menu-all {
    margin-top: 0.35rem;
    padding: 0.5rem 1.15rem 0.45rem;
    border-top: 1px solid #e8e4dc;
    color: var(--era-accent, #b8954a);
    font-size: 0.82rem;
}

a.philosopher-link {
    color: #1a2332;
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--era-accent, #b8954a);
    text-underline-offset: 2px;
}

a.philosopher-link:hover {
    color: #2c4a6e;
}

a.philosopher-figure-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

a.philosopher-figure-link:hover {
    text-decoration: none;
}

a.philosopher-figure-link:hover .figure-portrait img {
    border-color: var(--era-accent, #b8954a);
    box-shadow: 0 4px 14px rgba(26, 35, 50, 0.15);
}

a.philosopher-figure-link:hover figcaption {
    color: #2c4a6e;
}

.philosopher-hero {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 1.75rem;
    align-items: start;
    background: #fff;
    border: 1px solid #d4cfc4;
    border-left: 5px solid var(--era-accent, #b8954a);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.philosopher-photo-wrap img {
    width: 100%;
    max-width: 220px;
    border: 2px solid #d4cfc4;
    border-radius: 6px;
    display: block;
    box-shadow: 0 2px 10px rgba(26, 35, 50, 0.1);
}

.philosopher-photo-placeholder {
    width: 220px;
    height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: bold;
    color: #b8954a;
    background: linear-gradient(145deg, #ebe7de 0%, #d4cfc4 100%);
    border: 2px solid #d4cfc4;
    border-radius: 6px;
}

.philosopher-hero h1 {
    margin-top: 0;
}

.philosopher-lead {
    font-size: 1.08rem;
    color: #444;
    margin: 0;
}

.philosopher-facts {
    display: grid;
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: 0.5rem 1rem;
    margin: 0;
}

.philosopher-facts dt {
    font-weight: 700;
    color: #1a2332;
    margin: 0;
}

.philosopher-facts dd {
    margin: 0;
    color: #444;
}

.quote-list .philosopher-quote {
    margin: 0 0 1rem 0;
    padding: 1rem 1.25rem;
    background: #f9f7f2;
    border-left: 4px solid var(--era-accent, #b8954a);
    border-radius: 0 4px 4px 0;
}

.quote-list .philosopher-quote p {
    margin: 0 0 0.35rem 0;
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-style: italic;
    color: #1a2332;
}

.quote-list .philosopher-quote cite {
    font-size: 0.85rem;
    color: #666;
    font-style: normal;
}

main {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem;
}

main.content-page {
    max-width: 1280px;
}

.era-layout {
    display: block;
    min-width: 0;
}

.era-content {
    min-width: 0;
    overflow-wrap: break-word;
}

@media (min-width: 1051px) {
    /* Widen page so center column stays the same width; portraits sit in the margins */
    main.content-page:has(.era-layout.has-figure-sidebars) {
        max-width: min(100%, calc(1280px + 168px * 2 + 4rem));
    }

    .era-layout.has-figure-sidebars {
        display: grid;
        grid-template-columns: minmax(130px, 168px) minmax(0, 1fr) minmax(130px, 168px);
        gap: clamp(1rem, 2vw, 2rem);
        align-items: start;
    }

    .era-layout.has-figure-sidebars .figures-left {
        grid-column: 1;
    }

    .era-layout.has-figure-sidebars .era-content {
        grid-column: 2;
    }

    .era-layout.has-figure-sidebars .figures-right {
        grid-column: 3;
    }

    .figures-sidebar {
        min-width: 0;
    }

    .figures-track {
        position: relative;
        width: 100%;
    }

    .figure-slot {
        box-sizing: border-box;
    }

    .figure-portrait {
        position: sticky;
        top: 6rem;
        margin: 0 auto;
        text-align: center;
        width: 100%;
        max-width: 160px;
    }

    .figure-portrait img {
        width: 100%;
        max-width: 160px;
        height: auto;
        display: block;
        margin: 0 auto;
        border: 2px solid #d4cfc4;
        border-radius: 6px;
        background-color: #fff;
        box-shadow: 0 2px 8px rgba(26, 35, 50, 0.08);
    }

    .figure-portrait .philosopher-portrait-placeholder {
        width: 160px;
        height: 190px;
        margin: 0 auto;
    }

    .figure-portrait figcaption {
        font-size: 0.72rem;
        line-height: 1.3;
        margin-top: 0.4rem;
        color: #444;
        font-weight: 600;
    }
}

@media (max-width: 1050px) {
    .figures-sidebar {
        display: none !important;
    }
}

@media (max-width: 1050px) {
    .philosopher.philosopher-with-portrait {
        display: flex;
        gap: 1.35rem;
        align-items: flex-start;
        padding-top: 0.35rem;
    }

    .philosopher--left {
        flex-direction: row;
    }

    .philosopher--right {
        flex-direction: row-reverse;
    }

    .philosopher-body {
        flex: 1;
        min-width: 0;
    }

    .philosopher-portrait {
        flex: 0 0 150px;
        margin: 0;
        text-align: center;
    }

    .philosopher-portrait img {
        width: 100%;
        max-width: 150px;
        height: auto;
        display: block;
        margin: 0 auto;
        border: 2px solid #d4cfc4;
        border-radius: 6px;
        background-color: #fff;
        box-shadow: 0 2px 8px rgba(26, 35, 50, 0.08);
    }

    .philosopher-portrait-placeholder {
        width: 150px;
        height: 180px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: var(--font-serif);
        font-size: 2rem;
        font-weight: bold;
        color: #b8954a;
        background: linear-gradient(145deg, #ebe7de 0%, #d4cfc4 100%);
        border: 2px solid #d4cfc4;
        border-radius: 6px;
    }

    .philosopher-portrait figcaption {
        font-size: 0.75rem;
        line-height: 1.3;
        margin-top: 0.45rem;
        color: #444;
        font-weight: 600;
    }
}

.era-content section {
    background: #fff;
    border: 1px solid #d4cfc4;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
    .philosopher.philosopher-with-portrait,
    .philosopher--left,
    .philosopher--right {
        flex-direction: column;
        align-items: center;
    }

    .philosopher-portrait {
        flex: 0 0 auto;
    }

    .philosopher-body {
        width: 100%;
    }
}

.hero {
    background-color: #fff;
    border: 1px solid #d4cfc4;
    border-left: 5px solid var(--era-accent, #b8954a);
    padding: 2rem;
    margin-bottom: 2rem;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin: 0 0 0.75rem 0;
    color: #1a2332;
}

.hero p {
    margin: 0;
    font-size: 1.05rem;
    color: #444;
}

.era-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.era-card {
    background: #fff;
    border: 1px solid #d4cfc4;
    border-top: 4px solid var(--era-accent, #b8954a);
    padding: 1.25rem;
    transition: box-shadow 0.2s, transform 0.2s;
}

.era-card:hover {
    box-shadow: 0 6px 20px rgba(26, 35, 50, 0.12);
    transform: translateY(-2px);
}

.era-card h2 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin: 0 0 0.5rem 0;
    color: #1a2332;
}

.era-card .period {
    font-size: 0.85rem;
    color: var(--era-accent, #b8954a);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.era-card p {
    font-size: 0.95rem;
    margin: 0 0 1rem 0;
    color: #555;
}

.era-card .read-more {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--era-accent, #2c4a6e);
}

.era-card .read-more:hover {
    color: var(--era-accent, #2c4a6e);
    filter: brightness(0.88);
}

.content-page h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.65rem, 4vw, 2.15rem);
    font-weight: 700;
    line-height: 1.2;
    color: #1a2332;
    margin: 0 0 0.25rem 0;
}

.content-page .period-label {
    color: var(--era-accent, #b8954a);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.content-page section {
    background: #fff;
    border: 1px solid #d4cfc4;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.content-page section.era-intro {
    padding-top: 0;
    overflow: hidden;
}

.era-banner {
    position: relative;
    margin: 0 0 1.25rem 0;
    min-height: 200px;
    background: linear-gradient(135deg, #ebe7de 0%, #d8d2c6 100%);
    border-bottom: 3px solid var(--era-accent, #b8954a);
}

.era-banner img {
    display: block;
    width: 100%;
    height: clamp(180px, 32vw, 320px);
    object-fit: cover;
    object-position: center;
}

.era-banner-placeholder {
    display: none;
    position: absolute;
    inset: 0;
    margin: 0;
    padding: 1rem 1.5rem;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.9rem;
    color: #555;
    line-height: 1.45;
}

.era-banner.is-empty .era-banner-placeholder {
    display: flex;
}

.era-banner-placeholder strong {
    color: #1a2332;
    font-weight: 600;
}

.content-page h2 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    color: #1a2332;
    margin: 0 0 0.75rem 0;
    border-bottom: 2px solid var(--era-accent-soft, #e8e4dc);
    padding-bottom: 0.5rem;
}

.content-page ul {
    margin: 0;
    padding-left: 1.25rem;
}

.content-page li {
    margin-bottom: 0.4rem;
}

.figure-list li strong {
    color: #1a2332;
}

.site-footer {
    text-align: center;
    padding: 1.5rem 2rem;
    margin-top: 2rem;
    border-top: 1px solid #d4cfc4;
    font-size: 0.9rem;
    color: #666;
    background-color: #ebe7de;
}

.breadcrumb {
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: #666;
}

.content-page h3 {
    font-size: 1.05rem;
    color: #1a2332;
    margin: 1.25rem 0 0.5rem 0;
}

.content-page p {
    margin: 0 0 0.85rem 0;
}

.philosopher {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--era-accent-soft, #e0dbd2);
}

body[data-era]:not([data-era=""]) .content-page h3[data-philosopher] {
    color: var(--era-accent, #1a2332);
}

.philosopher:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.era-nav {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    background: #fff;
    border: 1px solid #d4cfc4;
    border-left: 4px solid var(--era-accent, #b8954a);
}

.era-nav a {
    font-weight: 600;
    color: var(--era-accent, #2c4a6e);
}

.intro-block {
    background: #fff;
    border: 1px solid #d4cfc4;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.intro-block h2 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    color: #1a2332;
    margin: 0 0 0.75rem 0;
    border-bottom: 1px solid #e8e4dc;
    padding-bottom: 0.5rem;
}

.timeline-list li {
    margin-bottom: 0.6rem;
}

.idea-list li {
    margin-bottom: 0.65rem;
}

.work-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.work-list li {
    margin-bottom: 0.85rem;
    padding: 0.65rem 0.85rem;
    background: #f9f7f2;
    border-left: 3px solid var(--era-accent, #b8954a);
}

.work-list li:last-child {
    margin-bottom: 0;
}

.work-list .work-title {
    font-weight: 600;
    color: #1a2332;
}

.work-list .work-meta {
    font-size: 0.88rem;
    color: #555;
    display: block;
    margin-top: 0.25rem;
    overflow-wrap: anywhere;
}

.sources-section {
    background: #fff;
    border: 1px solid #d4cfc4;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.sources-section h2 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    color: #1a2332;
    margin: 0 0 0.75rem 0;
    border-bottom: 2px solid var(--era-accent-soft, #e8e4dc);
    padding-bottom: 0.5rem;
}

.sources-note {
    margin: 0 0 1rem 0;
    color: #444;
    font-size: 0.95rem;
}

.sources-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sources-list li {
    margin-bottom: 0.55rem;
    padding-left: 1.1rem;
    position: relative;
}

.sources-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--era-accent, #b8954a);
}

.sources-list a {
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--era-accent-soft, #b8954a);
    text-underline-offset: 2px;
}

.sources-list a:hover {
    color: #1a2332;
}

.sources-disclaimer {
    margin: 1rem 0 0 0;
    color: #666;
    line-height: 1.5;
}

.site-footer .site-credit {
    max-width: 36rem;
    margin: 0 auto 0.75rem auto;
    color: #777;
}

.content-loading {
    margin: 0;
    padding: 2rem 0;
    text-align: center;
    color: #666;
    font-style: italic;
}

/* ——— Responsive layout ——— */

@media (max-width: 1024px) {
    main {
        padding: 1.5rem 1.25rem;
    }

    main.content-page {
        max-width: 100%;
    }

    .content-page h1 {
        font-size: 1.55rem;
    }

    .hero h1 {
        font-size: 1.65rem;
    }

    .era-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .site-header {
        padding: 1rem 1rem;
    }

    .site-header .brand {
        font-size: 1.2rem;
    }

    .site-header .tagline {
        font-size: 0.8rem;
    }

    nav.main-nav {
        padding: 0.5rem 0.75rem;
        gap: 0.35rem 0.65rem;
    }

    nav.main-nav a {
        font-size: 0.8rem;
    }

    .nav-era-dropdown::after {
        display: none;
    }

    main {
        padding: 1.25rem 1rem;
    }

    .hero {
        padding: 1.25rem;
        margin-bottom: 1.25rem;
    }

    .hero h1 {
        font-size: 1.45rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .intro-block,
    .content-page section,
    .era-content section {
        padding: 1.15rem;
    }

    .content-page h1 {
        font-size: 1.4rem;
        overflow-wrap: break-word;
    }

    .content-page .period-label {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .breadcrumb {
        font-size: 0.8rem;
        overflow-wrap: anywhere;
    }

    .era-nav {
        flex-direction: column;
        align-items: stretch;
        padding: 0.85rem 1rem;
        gap: 0.65rem;
        text-align: center;
    }

    .era-nav a {
        font-size: 0.88rem;
        line-height: 1.35;
    }

    .era-nav span:empty {
        display: none;
    }

    .philosopher-hero {
        grid-template-columns: 1fr;
        padding: 1.15rem;
        gap: 1.25rem;
    }

    .philosopher-photo-wrap {
        text-align: center;
    }

    .philosopher-photo-wrap img {
        margin: 0 auto;
    }

    .philosopher-photo-placeholder {
        width: 100%;
        max-width: 200px;
        height: 220px;
        margin: 0 auto;
        font-size: 2.25rem;
    }

    .philosopher-facts {
        grid-template-columns: 1fr;
    }

    .philosopher-lead {
        font-size: 1rem;
    }

    .quote-list .philosopher-quote p {
        font-size: 0.95rem;
    }

    .work-list li {
        padding: 0.55rem 0.65rem;
    }
}

@media (max-width: 480px) {
    .site-header .brand {
        font-size: 1.05rem;
    }

    nav.main-nav {
        justify-content: center;
    }

    nav.main-nav a {
        font-size: 0.75rem;
    }

    main {
        padding: 1rem 0.75rem;
    }

    .hero {
        padding: 1rem;
        border-left-width: 4px;
    }

    .hero h1 {
        font-size: 1.25rem;
    }

    .era-grid {
        grid-template-columns: 1fr;
    }

    .era-card {
        padding: 1rem;
    }

    .content-page h1 {
        font-size: 1.2rem;
    }

    .content-page h2,
    .intro-block h2 {
        font-size: 1.1rem;
    }

    .philosopher-portrait {
        flex: 0 0 auto;
    }

    .philosopher-portrait img,
    .philosopher-portrait-placeholder {
        max-width: 130px;
        width: 130px;
    }

    .philosopher-portrait-placeholder {
        height: 155px;
    }

    .site-footer {
        padding: 1.25rem 0.75rem;
        font-size: 0.82rem;
    }
}