/* =========================================================
   SHE INVENTED THAT — CLEAN RESPONSIVE STYLESHEET
   Consolidated from the existing stylesheet.
   Replace static/css/style.css with this file after backing up.
   ========================================================= */


*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

ul,
ol {
    margin-top: 0;
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}

main {
    overflow: hidden;
}

::selection {
    background: var(--color-gold-soft);
    color: var(--color-charcoal);
}

.skip-link {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 9999;
    padding: 0.8rem 1rem;
    background: var(--color-charcoal);
    color: var(--color-ivory);
    border-radius: var(--radius-small);
    transform: translateY(-180%);
    transition: transform var(--transition);
}

.skip-link:focus {
    transform: translateY(0);
}

:focus-visible {
    outline: 3px solid var(--color-gold);
    outline-offset: 4px;
}

h1,
h2,
h3,
h4 {
    color: var(--color-charcoal);
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.06;
}

h1 {
    font-size: clamp(3rem, 7vw, 6.8rem);
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(2.25rem, 4.5vw, 4.4rem);
    letter-spacing: -0.03em;
}

h3 {
    font-size: clamp(1.5rem, 2.5vw, 2.2rem);
}

p {
    color: var(--color-muted);
}

.museum-kicker {
    margin-bottom: 0.8rem;
    color: var(--color-gold);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.museum-intro {
    max-width: 720px;
    font-size: clamp(1.05rem, 1.5vw, 1.22rem);
}

.collection-field,
.timeline-preview-era,
.featured-scientist-field,
.profile-field {
    color: var(--color-gold);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.collection-years,
.featured-scientist-years,
.profile-years {
    color: var(--color-muted);
    font-family: var(--font-display);
    font-size: 1.2rem;
}

.site-header-inner,
.museum-hero-inner,
.featured-scientist-inner,
.museum-section-heading,
.featured-collection,
.timeline-preview,
.scientists-gallery,
.profile-biography,
.profile-details,
.profile-timeline,
.related-scientists,
.about-section,
.timeline-page,
.museum-note-inner,
.museum-pathways-inner,
.page-hero-inner,
.site-footer-inner,
.site-footer-bottom {
    width: min(calc(100% - 2rem), var(--container));
    margin-inline: auto;
}

.featured-collection,
.timeline-preview,
.scientists-gallery,
.profile-biography,
.profile-details,
.profile-timeline,
.related-scientists,
.about-section,
.timeline-page,
.museum-pathways {
    padding-block: var(--section-space);
}

.museum-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 3rem;
}

.museum-heading-copy {
    max-width: 760px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.85rem 1.4rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 700;
    transition: transform var(--transition),
        background var(--transition),
        color var(--transition),
        border-color var(--transition);
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    background: var(--color-gold);
    color: var(--color-charcoal);
}

.button-primary:hover {
    background: var(--color-gold-soft);
}

.button-secondary {
    border-color: currentColor;
    background: transparent;
    color: inherit;
}

.button-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
}

.collection-link,
.timeline-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-walnut);
    font-size: 0.9rem;
    font-weight: 700;
    transition: color var(--transition), transform var(--transition);
}

.collection-link:hover,
.timeline-link:hover {
    color: var(--color-gold);
    transform: translateX(3px);
}

.museum-brand-copy {
    display: flex;
    flex-direction: column;
}

.site-navigation a:hover,
.site-navigation a.is-active {
    background: rgba(216, 189, 131, 0.12);
    color: var(--color-gold-soft);
}

.museum-hero::before {
    width: 34rem;
    height: 34rem;
    top: 8%;
    right: -9rem;
}

.museum-hero::after {
    width: 20rem;
    height: 20rem;
    right: 8rem;
    bottom: -8rem;
}

.museum-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.museum-hero .button-secondary {
    color: var(--color-ivory);
}

.museum-hero-frame::before,
.museum-hero-frame::after {
    position: absolute;
    border: 1px solid rgba(216, 189, 131, 0.22);
    border-radius: 50%;
    content: "";
}

.museum-hero-frame::before {
    inset: 8%;
}

.museum-hero-frame::after {
    inset: 19%;
}

.museum-hero-orbit {
    position: absolute;
    width: 112%;
    height: 46%;
    border: 1px solid rgba(216, 189, 131, 0.22);
    border-radius: 50%;
    transform: rotate(-24deg);
}

.museum-hero-emblem {
    position: relative;
    z-index: 2;
    display: flex;
    max-width: 230px;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.museum-hero-emblem span {
    margin-bottom: 0.8rem;
    color: var(--color-gold-soft);
    font-size: 2rem;
}

.museum-hero-emblem strong {
    color: var(--color-ivory);
    font-family: var(--font-display);
    font-size: 2rem;
}

.museum-hero-emblem small {
    margin-top: 0.8rem;
    color: rgba(255, 250, 240, 0.62);
    line-height: 1.5;
}

.featured-scientist {
    padding-block: var(--section-space);
    background: linear-gradient(180deg, var(--color-parchment), var(--color-ivory));
}

.featured-scientist-inner {
    display: grid;
    grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: clamp(3rem, 7vw, 7rem);
}

.featured-portrait-frame img,
.profile-portrait-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: sepia(0.12) contrast(1.03);
}

.featured-portrait-placeholder,
.profile-portrait-placeholder,
.portrait-placeholder {
    display: grid;
    place-items: center;
    background: radial-gradient(circle at 50% 35%, rgba(216, 189, 131, 0.26), transparent 11rem),
        var(--color-walnut);
    color: var(--color-gold-soft);
    font-family: var(--font-display);
    font-size: clamp(4rem, 10vw, 8rem);
}

.featured-portrait-placeholder,
.profile-portrait-placeholder {
    min-height: 520px;
    border: 12px solid var(--color-walnut-soft);
    box-shadow: var(--shadow-deep);
}

.featured-scientist-copy h2 {
    margin-bottom: 0.5rem;
}

.featured-scientist-bio {
    max-width: 680px;
    margin-block: 1.5rem;
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 2.2vw, 1.8rem);
    line-height: 1.5;
}

.scientist-grid,
.timeline-preview-grid,
.profile-details-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.collection-card:hover,
.timeline-preview-card:hover,
.detail-card:hover,
.museum-pathway-card:hover {
    transform: translateY(-5px);
    border-color: rgba(182, 138, 58, 0.42);
    box-shadow: var(--shadow-card);
}

.collection-card:hover .collection-card-image img {
    transform: scale(1.035);
}

.collection-card-image .portrait-placeholder {
    width: 100%;
    height: 100%;
    font-size: 4.5rem;
}

.collection-card-content,
.timeline-preview-card,
.detail-card,
.museum-pathway-card {
    padding: 1.8rem;
}

.collection-card-content p:not(.collection-field):not(.collection-years) {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

.empty-collection,
.empty-state {
    grid-column: 1 / -1;
    padding: 3rem;
    border: 1px dashed var(--color-border);
    background: var(--color-parchment);
    text-align: center;
}

.empty-state {
    max-width: 760px;
    margin-inline: auto;
}

.museum-quote {
    position: relative;
    overflow: hidden;
    padding-block: 8rem;
    background: var(--color-walnut);
    color: var(--color-ivory);
}

.museum-quote-inner {
    width: min(calc(100% - 2rem), 920px);
    margin-inline: auto;
    text-align: center;
}

.museum-quote-mark {
    display: block;
    color: var(--color-gold-soft);
    font-family: var(--font-display);
    font-size: 7rem;
    line-height: 0.65;
}

.museum-quote blockquote {
    margin: 1.5rem 0;
    color: var(--color-ivory);
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.2vw, 4rem);
    line-height: 1.12;
}

.museum-quote p {
    color: rgba(255, 250, 240, 0.58);
}

.timeline-preview {
    background: var(--color-ivory);
}

.timeline-preview-card {
    min-height: 260px;
}

.timeline-preview-card::before {
    position: absolute;
    width: 4rem;
    height: 2px;
    top: 0;
    left: 1.8rem;
    background: var(--color-gold);
    content: "";
}

.timeline-preview-card h3 {
    margin-top: 0.7rem;
}

.timeline-page {
    position: relative;
}

.timeline-page::before {
    position: absolute;
    top: var(--section-space);
    bottom: var(--section-space);
    left: calc(50% - 1px);
    width: 1px;
    background: var(--color-border);
    content: "";
}

.timeline-entry {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.timeline-entry::before {
    position: absolute;
    width: 14px;
    height: 14px;
    top: 0.5rem;
    left: 50%;
    border: 3px solid var(--color-ivory);
    border-radius: 50%;
    background: var(--color-gold);
    box-shadow: 0 0 0 1px var(--color-gold);
    content: "";
    transform: translateX(-50%);
}

.timeline-year {
    padding-right: 2rem;
    color: var(--color-gold);
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 3rem);
    font-weight: 700;
    text-align: right;
}

.timeline-content {
    padding-left: 2rem;
}

.timeline-content h2 {
    font-size: clamp(2rem, 3.5vw, 3.2rem);
}

.museum-pathways {
    background: var(--color-parchment);
}

.museum-pathways-inner {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.museum-pathway-card {
    min-height: 280px;
}

.museum-pathway-card h2 {
    font-size: clamp(2rem, 3vw, 3rem);
}

.museum-note {
    padding-block: 6rem;
    background: linear-gradient(120deg, rgba(58, 36, 24, 0.98), rgba(33, 31, 28, 0.98));
}

.museum-note-inner {
    max-width: 880px;
    text-align: center;
}

.museum-note h2 {
    color: var(--color-ivory);
}

.museum-note p:not(.museum-kicker) {
    color: rgba(255, 250, 240, 0.68);
    font-size: 1.08rem;
}

.profile-copy h1 {
    color: var(--color-ivory);
}

.profile-summary {
    max-width: 700px;
    color: rgba(255, 250, 240, 0.68);
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2vw, 1.7rem);
}

.profile-copy .button-secondary {
    color: var(--color-ivory);
}

.profile-portrait {
    max-width: 430px;
    justify-self: end;
}

.profile-biography {
    max-width: 900px;
}

.profile-biography-text {
    color: var(--color-ink);
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.4vw, 1.85rem);
    line-height: 1.7;
}

.profile-details {
    padding-top: 0;
}

.detail-card {
    text-align: center;
}

.detail-card h3 {
    margin-bottom: 0.3rem;
    color: var(--color-gold);
    font-size: 1rem;
    font-family: var(--font-body);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.detail-card p {
    margin: 0;
    color: var(--color-charcoal);
    font-family: var(--font-display);
    font-size: 1.7rem;
}

.profile-timeline {
    background: var(--color-parchment);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 5rem;
}

.about-grid article {
    padding: 2rem 0;
}

.about-grid p,
.about-grid li {
    font-size: 1.06rem;
}

.museum-list {
    padding-left: 1.25rem;
}

.museum-list li {
    margin-bottom: 0.75rem;
    color: var(--color-muted);
}

.museum-list li::marker {
    color: var(--color-gold);
}

.site-footer-ornament {
    display: grid;
    grid-template-columns: minmax(2rem, 1fr) auto minmax(2rem, 1fr);
    align-items: center;
    gap: 1rem;
    width: min(calc(100% - 2rem), var(--container));
    margin: 0 auto 3rem;
    color: var(--color-gold-soft);
}

.site-footer-ornament span:first-child,
.site-footer-ornament span:last-child {
    height: 1px;
    background: rgba(216, 189, 131, 0.25);
}

.site-footer-heading {
    color: var(--color-gold-soft);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.site-footer p,
.site-footer a {
    color: rgba(255, 250, 240, 0.58);
}

.site-footer ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-footer li + li {
    margin-top: 0.55rem;
}

.site-footer a:hover {
    color: var(--color-gold-soft);
}

.site-footer-bottom p {
    margin: 0;
    font-size: 0.78rem;
}

.error-page {
    min-height: 600px;
    display: grid;
    align-items: center;
}

:root {
    --color-walnut: #2f1d13;
    --color-walnut-soft: #4b3021;
    --color-charcoal: #171411;
    --color-parchment: #f1e7d3;
    --color-parchment-deep: #dfcfb2;
    --color-ivory: #fbf6ec;
    --color-gold: #ad7b2f;
    --color-gold-soft: #d9bd7a;
    --color-ink: #27211b;
    --color-muted: #70675c;
    --color-border: rgba(58, 36, 24, 0.18);
    --color-overlay: rgba(33, 31, 28, 0.72);
    --font-display: "Cormorant Garamond", Georgia, serif;
    --font-body: "Inter", Arial, sans-serif;
    --shadow-soft: 0 18px 45px rgba(33, 31, 28, 0.08);
    --shadow-card: 0 12px 30px rgba(33, 31, 28, 0.1);
    --shadow-deep: 0 28px 70px rgba(20, 16, 12, 0.2);
    --radius-small: 8px;
    --radius-medium: 16px;
    --radius-large: 28px;
    --container: 1240px;
    --section-space: 7rem;
    --transition: 220ms cubic-bezier(.2,.7,.2,1);
    --color-night: #110f0d;
    --color-night-soft: #1c1814;
    --color-bronze: #7a4b28;
    --color-cream: #f7f0e2;
    --color-cream-dark: #e8dcc4;
    --hairline-light: rgba(255, 255, 255, 0.09);
    --hairline-gold: rgba(217, 189, 122, 0.3);
    --shadow-luxury: 0 30px 90px rgba(17, 15, 13, 0.22);
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    text-rendering: optimizeLegibility;
    background: radial-gradient(circle at 10% 0%, rgba(173, 123, 47, 0.08), transparent 32rem),
        linear-gradient(180deg, var(--color-ivory), var(--color-cream));
}

body.navigation-open {
    overflow: hidden;
}

.visually-hidden {
    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;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(14px);
    background: rgba(17, 15, 13, 0.88);
    box-shadow: 0 1px 0 var(--hairline-light);
    transition: background var(--transition),
        box-shadow var(--transition),
        backdrop-filter var(--transition);
}

.site-header.is-scrolled {
    background: rgba(17, 15, 13, 0.97);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
}

.site-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: 92px;
}

.museum-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    color: var(--color-ivory);
    min-width: max-content;
}

.museum-brand-mark {
    display: grid;
    place-items: center;
    border: 1px solid rgba(216, 189, 131, 0.5);
    border-radius: 50%;
    color: var(--color-gold-soft);
    width: 3rem;
    height: 3rem;
    border-color: var(--hairline-gold);
    background: rgba(217, 189, 122, 0.05);
}

.museum-brand-mark svg {
    width: 1.8rem;
    height: 1.8rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.35;
}

.museum-brand-name {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1;
    font-size: 1.58rem;
    letter-spacing: -0.02em;
}

.museum-brand-tagline {
    margin-top: 0.3rem;
    color: rgba(255, 250, 240, 0.62);
    font-size: 0.67rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.site-navigation {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-navigation-list {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
    gap: 0.1rem;
}

.site-navigation a {
    display: inline-flex;
    padding: 0.7rem 0.8rem;
    color: rgba(255, 250, 240, 0.74);
    font-size: 0.86rem;
    font-weight: 600;
    transition: color var(--transition), background var(--transition);
    position: relative;
    border-radius: 0;
    background: transparent;
}

.site-navigation-list a::after {
    position: absolute;
    right: 0.8rem;
    bottom: 0.42rem;
    left: 0.8rem;
    height: 1px;
    background: var(--color-gold-soft);
    content: "";
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition);
}

.site-navigation-list a:hover,
.site-navigation-list a.is-active {
    background: transparent;
}

.site-navigation-list a:hover::after,
.site-navigation-list a.is-active::after {
    transform: scaleX(1);
}

.header-collection-link {
    display: inline-flex !important;
    align-items: center;
    gap: 0.55rem;
    min-height: 2.8rem;
    padding: 0.75rem 1rem !important;
    border: 1px solid var(--hairline-gold);
    border-radius: 999px !important;
    color: var(--color-gold-soft) !important;
}

.header-collection-link:hover {
    border-color: var(--color-gold-soft);
    background: rgba(217, 189, 122, 0.08) !important;
}

.navigation-toggle {
    display: none;
    width: 3rem;
    height: 3rem;
    padding: 0.75rem;
    border: 1px solid var(--hairline-light);
    border-radius: 50%;
    background: transparent;
    color: var(--color-ivory);
    cursor: pointer;
}

.navigation-toggle span {
    display: block;
    width: 100%;
    height: 1px;
    background: currentColor;
    transition: transform var(--transition),
        opacity var(--transition);
}

.navigation-toggle span + span {
    margin-top: 0.35rem;
}

.navigation-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(0.43rem) rotate(45deg);
}

.navigation-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.navigation-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-0.43rem) rotate(-45deg);
}

.museum-hero h1 {
    max-width: 900px;
    font-size: clamp(4rem, 8vw, 8.6rem);
    line-height: 0.89;
}

.museum-hero h1 span {
    display: block;
    color: var(--color-gold-soft);
    font-style: italic;
}

.museum-hero-frame {
    position: relative;
    display: grid;
    width: min(100%, 390px);
    aspect-ratio: 1;
    place-items: center;
    border: 1px solid rgba(216, 189, 131, 0.35);
    border-radius: 50%;
    box-shadow: inset 0 0 0 18px rgba(255, 255, 255, 0.018),
        0 0 120px rgba(173, 123, 47, 0.08);
}

.collection-card,
.timeline-preview-card,
.detail-card,
.museum-pathway-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition);
    border-radius: 2px;
    background: rgba(251, 246, 236, 0.96);
}

.collection-card {
    border-color: rgba(47, 29, 19, 0.14);
}

.collection-card-image {
    overflow: hidden;
    background: var(--color-parchment);
    aspect-ratio: 4 / 4.6;
}

.collection-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms ease;
    filter: saturate(0.82) sepia(0.08) contrast(1.03);
}

.collection-card-content {
    border-top: 1px solid rgba(47, 29, 19, 0.12);
}

.collection-card-content h2,
.collection-card-content h3 {
    margin-bottom: 0.4rem;
    font-size: clamp(1.8rem, 2.8vw, 2.55rem);
}

.collection-field {
    margin-bottom: 0.8rem;
}

.collection-link {
    margin-top: 0.75rem;
    gap: 0.5rem;
}

.collection-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-luxury);
}

.featured-portrait-frame,
.profile-portrait-frame {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 5;
    border: 12px solid var(--color-walnut);
    background: var(--color-parchment-deep);
    box-shadow: var(--shadow-deep);
    border-width: 10px;
    border-color: var(--color-night-soft);
}

.featured-portrait-frame::after,
.profile-portrait-frame::after {
    position: absolute;
    border: 1px solid rgba(216, 189, 131, 0.72);
    pointer-events: none;
    content: "";
    inset: 12px;
    border-color: rgba(217, 189, 122, 0.58);
}

.museum-newsletter {
    position: relative;
    overflow: hidden;
    padding-block: 5.5rem;
    background: linear-gradient(115deg, rgba(47, 29, 19, 0.98), rgba(17, 15, 13, 0.99));
}

.museum-newsletter::before {
    position: absolute;
    width: 30rem;
    height: 30rem;
    right: -10rem;
    bottom: -18rem;
    border: 1px solid rgba(217, 189, 122, 0.14);
    border-radius: 50%;
    content: "";
}

.museum-newsletter-inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.7fr);
    align-items: end;
    gap: clamp(2rem, 7vw, 7rem);
    width: min(calc(100% - 2rem), var(--container));
    margin-inline: auto;
}

.museum-newsletter h2 {
    margin-bottom: 0.7rem;
    color: var(--color-ivory);
    font-size: clamp(2.7rem, 5vw, 5rem);
}

.museum-newsletter-copy > p:not(.museum-kicker) {
    max-width: 700px;
    margin-bottom: 0;
    color: rgba(255, 250, 240, 0.64);
}

.museum-newsletter-form {
    display: grid;
    gap: 0.8rem;
}

.museum-newsletter-form input {
    width: 100%;
    min-height: 3.7rem;
    padding: 0 1.2rem;
    border: 1px solid rgba(217, 189, 122, 0.3);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.055);
    color: var(--color-ivory);
    outline: none;
    transition: border-color var(--transition),
        background var(--transition);
}

.museum-newsletter-form input::placeholder {
    color: rgba(255, 250, 240, 0.42);
}

.museum-newsletter-form input:focus {
    border-color: var(--color-gold-soft);
    background: rgba(255, 255, 255, 0.08);
}

.museum-newsletter-form .button {
    min-height: 3.7rem;
}

.site-footer {
    color: var(--color-ivory);
    padding-top: 5rem;
    background: var(--color-night);
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.4rem;
}

.site-footer-title,
.site-footer-brand-note {
    display: block;
}

.site-footer-title {
    margin-bottom: 0.5rem;
    color: var(--color-ivory);
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.site-footer-brand-note {
    margin-top: 0.2rem;
    color: rgba(255, 250, 240, 0.42);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.site-footer-inner {
    display: grid;
    padding-bottom: 3.5rem;
    grid-template-columns: 1.35fr 0.65fr 0.65fr 0.9fr;
    gap: clamp(2rem, 5vw, 5rem);
}

.footer-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-top: 0.9rem;
    color: var(--color-gold-soft) !important;
    font-weight: 700;
}

.site-footer-bottom {
    padding-block: 1.4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    gap: 2rem;
}

.museum-hero {
    position: relative;
    min-height: min(820px, calc(100vh - 92px));
    isolation: isolate;
    overflow: hidden;
    background: linear-gradient(
            90deg,
            rgba(12, 10, 8, 0.98) 0%,
            rgba(12, 10, 8, 0.91) 37%,
            rgba(12, 10, 8, 0.52) 60%,
            rgba(12, 10, 8, 0.16) 100%
        ),
        linear-gradient(
            180deg,
            rgba(12, 10, 8, 0.05) 0%,
            rgba(12, 10, 8, 0.10) 60%,
            rgba(12, 10, 8, 0.75) 100%
        ),
        url("../images/banners/home_hero.webp") center / cover no-repeat;
}

.museum-hero::before,
.museum-hero::after {
    position: absolute;
    z-index: -1;
    border: 1px solid rgba(216, 189, 131, 0.14);
    border-radius: 50%;
    content: "";
    display: none;
}

.museum-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
    align-items: center;
    gap: 4rem;
    padding-block: 5rem;
    min-height: min(820px, calc(100vh - 92px));
    position: relative;
    z-index: 1;
}

.museum-hero-copy {
    max-width: 800px;
}

.museum-hero h1,
.museum-hero h2 {
    color: var(--color-ivory);
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.42);
}

.museum-hero-intro {
    max-width: 710px;
    margin-bottom: 2rem;
    font-size: clamp(1.08rem, 1.8vw, 1.28rem);
    color: rgba(255, 250, 240, 0.78);
}

.museum-hero-art {
    display: grid;
    place-items: center;
    visibility: hidden;
    pointer-events: none;
}

.page-hero {
    padding-block: 8.5rem 7rem;
    background: linear-gradient(90deg, rgba(17, 15, 13, 0.98), rgba(47, 29, 19, 0.94)),
        radial-gradient(circle at 80% 20%, rgba(217, 189, 122, 0.13), transparent 24rem);
    position: relative;
    min-height: 610px;
    display: flex;
    align-items: center;
    isolation: isolate;
    overflow: hidden;
    padding: 0;
    background-color: var(--color-night);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    color: var(--color-ivory);
}

.page-hero::before {
    position: absolute;
    inset: 0;
    z-index: -1;
    content: "";
    background: linear-gradient(
            90deg,
            rgba(10, 9, 8, 0.98) 0%,
            rgba(10, 9, 8, 0.91) 34%,
            rgba(10, 9, 8, 0.55) 57%,
            rgba(10, 9, 8, 0.15) 100%
        ),
        linear-gradient(
            180deg,
            rgba(10, 9, 8, 0.04) 0%,
            rgba(10, 9, 8, 0.18) 65%,
            rgba(10, 9, 8, 0.74) 100%
        );
}

.page-hero::after {
    position: absolute;
    width: 26rem;
    height: 26rem;
    top: -10rem;
    right: -7rem;
    border: 1px solid rgba(216, 189, 131, 0.18);
    border-radius: 50%;
    content: "";
    display: none;
}

.page-hero--scientists {
    background-image: url("../images/banners/scientists_hero.webp");
}

.page-hero--discoveries {
    background-image: url("../images/banners/discoveries_hero.webp");
}

.page-hero--timeline {
    background-image: url("../images/banners/timeline_hero.webp");
}

.page-hero--about {
    background-image: url("../images/banners/about_hero.webp");
}

.page-hero-inner {
    position: relative;
    z-index: 1;
    width: min(calc(100% - 2rem), var(--container));
    margin-inline: auto;
    padding-block: 7rem;
}

.page-hero-inner > * {
    max-width: 760px;
}

.page-hero h1 {
    max-width: 900px;
    font-size: clamp(4rem, 8vw, 7.4rem);
    color: var(--color-ivory);
    text-shadow: 0 4px 28px rgba(0, 0, 0, 0.45);
}

.page-hero .museum-kicker {
    color: var(--color-gold-soft);
}

.page-hero .museum-intro {
    color: rgba(255, 250, 240, 0.76);
}

.museum-statistics {
    padding: 2.2rem 1rem;
    border-top: 1px solid rgba(217, 189, 122, 0.22);
    border-bottom: 1px solid rgba(47, 29, 19, 0.13);
    background: var(--color-charcoal);
}

.museum-statistics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: min(100%, var(--container));
    margin-inline: auto;
}

.museum-statistics article {
    padding: 1rem 1.4rem;
    border-right: 1px solid rgba(217, 189, 122, 0.18);
    text-align: center;
}

.museum-statistics article:last-child {
    border-right: 0;
}

.museum-statistics h2 {
    margin-bottom: 0.2rem;
    color: var(--color-gold-soft);
    font-size: clamp(2rem, 4vw, 3.3rem);
}

.museum-statistics p {
    margin: 0;
    color: rgba(255, 250, 240, 0.62);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.collection-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    width: min(calc(100% - 2rem), var(--container));
    margin-inline: auto;
    padding-top: 3rem;
}

.collection-search {
    flex: 1;
    max-width: 560px;
}

.collection-search input {
    width: 100%;
    min-height: 3.45rem;
    padding: 0 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: rgba(255, 250, 240, 0.94);
    color: var(--color-ink);
    outline: none;
}

.collection-search input:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 4px rgba(173, 123, 47, 0.10);
}

.collection-stats {
    color: var(--color-muted);
    white-space: nowrap;
}

.collection-stats strong {
    margin-right: 0.35rem;
    color: var(--color-gold);
    font-family: var(--font-display);
    font-size: 1.7rem;
}

.featured-portrait-frame img,
.profile-portrait-frame img,
.collection-card-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-hero-inner {
    width: min(calc(100% - 2rem), var(--container));
    margin-inline: auto;
    display: grid;
    grid-template-columns: minmax(0,1.1fr) minmax(300px,.7fr);
    gap: clamp(2rem,6vw,5rem);
    align-items: center;
}

.profile-hero {
    background: radial-gradient(circle at 80% 30%, rgba(182, 138, 58, 0.16), transparent 21rem),
        linear-gradient(135deg, var(--color-charcoal), var(--color-walnut));
    padding-block: clamp(3.5rem,7vw,6rem);
}

@media (max-width: 980px) {
:root {
    --section-space: 5.5rem;
}

.museum-hero-inner,
    .featured-scientist-inner,
    .profile-hero-inner,
    .about-grid {
    grid-template-columns: 1fr;
}

.museum-hero-art {
    max-width: 390px;
    justify-self: center;
}

.featured-scientist-portrait,
    .profile-portrait {
    width: min(100%, 440px);
    justify-self: start;
}

.scientist-grid,
    .timeline-preview-grid,
    .museum-pathways-inner,
    .profile-details-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.site-header-inner {
    min-height: 82px;
    flex-direction: row;
    align-items: center;
    padding-block: 0;
}

.navigation-toggle {
    display: block;
    flex: 0 0 auto;
}

.site-navigation {
    position: fixed;
    inset: 82px 0 auto 0;
    z-index: 999;
    display: grid;
    align-content: start;
    gap: 1.5rem;
    max-height: calc(100vh - 82px);
    padding: 1.5rem 1rem 2rem;
    overflow-y: auto;
    border-top: 1px solid var(--hairline-light);
    background: rgba(17, 15, 13, 0.99);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-1rem);
    transition: opacity var(--transition),
            transform var(--transition);
}

.site-navigation.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.site-navigation-list {
    flex-wrap: wrap;
    display: grid;
    gap: 0;
}

.site-navigation-list a {
    width: 100%;
    padding: 1rem 0.2rem;
    border-bottom: 1px solid var(--hairline-light);
    font-family: var(--font-display);
    font-size: 1.55rem;
}

.site-navigation-list a::after {
    display: none;
}

.header-collection-link {
    justify-content: center;
    border-radius: 999px !important;
}

.museum-newsletter-inner {
    grid-template-columns: 1fr;
    align-items: start;
}

.site-footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.site-footer-introduction {
    grid-column: 1 / -1;
}

.museum-hero {
    background-position: 64% center;
}

.page-hero {
    background-position: 62% center;
}

.museum-statistics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.museum-statistics article:nth-child(2) {
    border-right: 0;
}

.museum-statistics article:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(217, 189, 122, 0.18);
}
}

@media (max-width: 720px) {
:root {
    --section-space: 4.2rem;
}

body {
    font-size: 0.96rem;
}

.site-header {
    position: static;
}

.site-navigation-list {
    gap: 0.15rem;
}

.site-navigation a {
    padding: 0.55rem 0.65rem;
    font-size: 0.8rem;
}

.museum-hero-art {
    display: none;
}

.museum-hero-actions {
    flex-direction: column;
    align-items: stretch;
}

.museum-section-heading {
    align-items: flex-start;
    flex-direction: column;
}

.scientist-grid,
    .timeline-preview-grid,
    .museum-pathways-inner,
    .profile-details-grid,
    .site-footer-inner {
    grid-template-columns: 1fr;
}

.featured-portrait-placeholder,
    .profile-portrait-placeholder {
    min-height: 390px;
}

.timeline-page::before {
    left: 7px;
}

.timeline-entry {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    padding-left: 2.2rem;
}

.timeline-entry::before {
    left: 7px;
    transform: translateX(-50%);
}

.timeline-year {
    padding-right: 0;
    text-align: left;
}

.timeline-content {
    padding-left: 0;
}

.site-footer-introduction {
    grid-column: auto;
}

.museum-brand-tagline {
    display: block;
    max-width: 190px;
}

.museum-brand-name {
    font-size: 1.35rem;
}

.museum-hero h1 {
    font-size: clamp(3.5rem, 16vw, 5.7rem);
}

.museum-newsletter {
    padding-block: 4.5rem;
}

.site-footer-bottom {
    flex-direction: column;
    gap: 0.45rem;
}

.site-footer-bottom p:last-child {
    display: none;
}

.museum-hero {
    min-height: 690px;
    background-position: 68% center;
    background-image: linear-gradient(
                180deg,
                rgba(10, 9, 8, 0.16) 0%,
                rgba(10, 9, 8, 0.48) 40%,
                rgba(10, 9, 8, 0.98) 78%
            ),
            url("../images/banners/home_hero.webp");
}

.museum-hero-inner {
    min-height: auto;
    align-items: flex-end;
    padding-block: 4rem;
}

.page-hero {
    min-height: 570px;
    align-items: flex-end;
    background-position: 68% center;
}

.page-hero::before {
    background: linear-gradient(
                180deg,
                rgba(10, 9, 8, 0.10) 0%,
                rgba(10, 9, 8, 0.48) 42%,
                rgba(10, 9, 8, 0.98) 80%
            );
}

.page-hero-inner {
    padding-block: 4rem;
}

.collection-toolbar {
    align-items: stretch;
    flex-direction: column;
}
}

@media (max-width: 480px) {
.site-header-inner,
    .museum-hero-inner,
    .featured-scientist-inner,
    .museum-section-heading,
    .featured-collection,
    .timeline-preview,
    .scientists-gallery,
    .profile-biography,
    .profile-details,
    .profile-timeline,
    .related-scientists,
    .about-section,
    .timeline-page,
    .museum-note-inner,
    .museum-pathways-inner,
    .page-hero-inner,
    .site-footer-inner,
    .site-footer-bottom {
    width: min(calc(100% - 1.2rem), var(--container));
}

.page-hero {
    padding-block: 5rem 4rem;
}

.collection-card-content,
    .timeline-preview-card,
    .detail-card,
    .museum-pathway-card {
    padding: 1.35rem;
}
}

@media (prefers-reduced-motion: reduce) {
*,
    *::before,
    *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
}
}

@media (max-width: 560px) {
.museum-brand-mark {
    width: 2.65rem;
    height: 2.65rem;
}

.museum-brand-tagline {
    display: none;
}

.museum-newsletter-inner {
    width: min(calc(100% - 1.2rem), var(--container));
}

.site-footer-inner {
    grid-template-columns: 1fr;
}

.site-footer-introduction {
    grid-column: auto;
}
}

@media (max-width: 520px) {
.museum-statistics article {
    padding-inline: 0.6rem;
}

.museum-statistics h2 {
    font-size: 2.15rem;
}

.museum-statistics p {
    font-size: 0.65rem;
    letter-spacing: 0.09em;
}
}

@media (max-width:980px) {
.profile-hero-inner {
    grid-template-columns: 1fr;
}

.profile-portrait {
    width: min(100%,430px);
    justify-self: start;
}
}

@media (max-width:480px) {
.profile-hero-inner {
    width: min(calc(100% - 1.2rem), var(--container));
}
}

/* =========================================================
   FINAL RESPONSIVE STABILITY LAYER
   ========================================================= */

:root {
    --container: 1240px;
    --page-gutter: clamp(1rem, 3vw, 2rem);
}

html {
    overflow-x: hidden;
}

body {
    width: 100%;
    overflow-x: hidden;
}

main {
    width: 100%;
    overflow: clip;
}

.site-header-inner,
.museum-hero-inner,
.featured-scientist-inner,
.profile-hero-inner,
.museum-section-heading,
.featured-collection,
.timeline-preview,
.scientists-gallery,
.profile-biography,
.profile-details,
.profile-timeline,
.related-scientists,
.about-section,
.timeline-page,
.museum-note-inner,
.museum-pathways-inner,
.page-hero-inner,
.museum-newsletter-inner,
.site-footer-inner,
.site-footer-bottom,
.collection-toolbar {
    width: min(calc(100% - (2 * var(--page-gutter))), var(--container));
    margin-inline: auto;
}

.museum-hero,
.museum-hero-inner {
    min-height: clamp(620px, calc(100svh - 92px), 820px);
}

.museum-hero-inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.75fr);
    gap: clamp(2rem, 5vw, 5rem);
}

.museum-hero-copy,
.profile-copy,
.featured-scientist-copy {
    min-width: 0;
}

.museum-hero h1 {
    font-size: clamp(3.6rem, 7vw, 8rem);
}

.page-hero {
    min-height: clamp(500px, 62vw, 610px);
}

.page-hero-inner {
    padding-block: clamp(4rem, 8vw, 7rem);
}

.profile-hero {
    padding-block: clamp(3.5rem, 7vw, 6rem);
}

.profile-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
    align-items: center;
    gap: clamp(2rem, 6vw, 5rem);
}

.profile-portrait {
    width: min(100%, 430px);
    justify-self: end;
}

img,
svg,
video {
    max-width: 100%;
}

@media (max-width: 1100px) {
    .museum-hero-inner,
    .profile-hero-inner,
    .featured-scientist-inner,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .museum-hero-art {
        display: none;
    }

    .profile-portrait,
    .featured-scientist-portrait {
        justify-self: start;
    }
}

@media (max-width: 980px) {
    .scientist-grid,
    .timeline-preview-grid,
    .museum-pathways-inner,
    .profile-details-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .site-footer-inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    :root {
        --page-gutter: 0.75rem;
    }

    .museum-hero,
    .museum-hero-inner {
        min-height: 640px;
    }

    .museum-hero-inner {
        align-items: end;
        padding-block: 3.5rem;
    }

    .museum-hero h1 {
        font-size: clamp(3.2rem, 15vw, 5.6rem);
    }

    .page-hero {
        min-height: 540px;
        align-items: end;
    }

    .page-hero-inner {
        padding-block: 3.5rem;
    }

    .scientist-grid,
    .timeline-preview-grid,
    .museum-pathways-inner,
    .profile-details-grid,
    .site-footer-inner {
        grid-template-columns: 1fr;
    }

    .profile-portrait {
        width: min(100%, 390px);
    }

    .museum-newsletter-inner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 {
        overflow-wrap: anywhere;
    }

    .profile-hero {
        padding-block: 3rem;
    }

    .collection-card-content,
    .timeline-preview-card,
    .detail-card,
    .museum-pathway-card {
        padding: 1.25rem;
    }
}

/* =========================================================
   RELATED SCIENTISTS — RESTORE CARDS
   ========================================================= */

.related-scientists .scientist-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    width: 100%;
}

.related-scientists .collection-card {
    display: block !important;
    position: relative;
    visibility: visible !important;
    opacity: 1 !important;
    min-width: 0;
    height: auto;
    overflow: hidden;
    border: 1px solid rgba(47, 29, 19, 0.14);
    background: rgba(251, 246, 236, 0.96);
    box-shadow: var(--shadow-soft);
}

.related-scientists .collection-card-image {
    display: block !important;
    width: 100%;
    aspect-ratio: 4 / 4.6;
    overflow: hidden;
    background: var(--color-parchment);
}

.related-scientists .collection-card-image img {
    display: block !important;
    width: 100%;
    height: 100%;
    object-fit: cover;
    visibility: visible !important;
    opacity: 1 !important;
}

.related-scientists .collection-card-content {
    display: block !important;
    padding: 1.8rem;
    visibility: visible !important;
    opacity: 1 !important;
}

@media (max-width: 980px) {
    .related-scientists .scientist-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .related-scientists .scientist-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================================================
   RELATED SCIENTISTS — FINAL SAFETY LAYER
   ========================================================= */

.related-scientists {
    display: block;
}

.related-scientists .scientist-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 1.5rem !important;
    width: 100% !important;
    min-height: 1px;
}

.related-scientists .collection-card {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    min-width: 0 !important;
}

.related-scientists .collection-card-image,
.related-scientists .collection-card-content {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.related-scientists .empty-collection {
    display: block;
    grid-column: 1 / -1;
}

@media (max-width: 980px) {
    .related-scientists .scientist-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
}

@media (max-width: 720px) {
    .related-scientists .scientist-grid {
        grid-template-columns: 1fr !important;
    }
}