:root {
    color-scheme: light;
    --bg: #f7f8f7;
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --surface-muted: #f0f3f1;
    --ink: #1d2522;
    --ink-soft: #3f4a46;
    --muted: #6d7773;
    --line: #dce1de;
    --line-strong: #c2cac6;
    --accent: #5f806f;
    --accent-strong: #3f6653;
    --accent-soft: #eaf1ed;
    --signal: #759987;
    --blue: #587694;
    --blue-soft: #e9eef2;
    --orange: #9a684d;
    --hero: #eef2ef;
    --hero-text: #1b2420;
    --hero-muted: #5f6c66;
    --hero-accent: #496f5d;
    --hero-border: #d9dfdb;
    --hero-control: rgba(255, 255, 255, 0.62);
    --hero-control-hover: #ffffff;
    --hero-control-border: rgba(38, 61, 50, 0.16);
    --shadow-sm: 0 3px 14px rgba(28, 39, 34, 0.035);
    --shadow-lg: 0 14px 40px rgba(28, 39, 34, 0.08);
    --radius-sm: 12px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --content-width: 1080px;
    --font-sans: "Aptos", "Segoe UI Variable", "Segoe UI", Helvetica, Arial, sans-serif;
    --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg: #111513;
    --surface: #171c19;
    --surface-raised: #1c221f;
    --surface-muted: #202723;
    --ink: #eef1ef;
    --ink-soft: #c3cbc7;
    --muted: #929d97;
    --line: #303833;
    --line-strong: #48524c;
    --accent: #8eaf9e;
    --accent-strong: #b0cbbd;
    --accent-soft: #26372f;
    --signal: #9ebcab;
    --blue: #93a8bc;
    --blue-soft: #26313b;
    --orange: #c1977f;
    --hero: #191e1b;
    --hero-text: #f1f3f2;
    --hero-muted: #a8b1ac;
    --hero-accent: #a2c0b0;
    --hero-border: #303833;
    --hero-control: rgba(255, 255, 255, 0.035);
    --hero-control-hover: rgba(255, 255, 255, 0.075);
    --hero-control-border: rgba(255, 255, 255, 0.12);
    --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 118px;
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    padding: 22px;
    overflow-x: hidden;
    color: var(--ink);
    background: var(--bg);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.58;
    text-rendering: optimizeLegibility;
    transition: color 180ms ease, background-color 180ms ease;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    color: inherit;
}

img,
svg {
    display: block;
}

img {
    max-width: 100%;
}

[hidden] {
    display: none !important;
}

a {
    color: var(--accent-strong);
    text-decoration-color: color-mix(in srgb, currentColor 38%, transparent);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
    transition: color 160ms ease, text-decoration-color 160ms ease;
}

a:hover {
    color: var(--accent);
    text-decoration-color: currentColor;
}

:focus-visible {
    outline: 3px solid var(--signal);
    outline-offset: 3px;
}

::selection {
    color: #102019;
    background: var(--signal);
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 12px;
    left: 12px;
    padding: 10px 16px;
    border-radius: 999px;
    color: #102019;
    background: var(--signal);
    font-weight: 800;
    text-decoration: none;
    transform: translateY(-160%);
    transition: transform 160ms ease;
}

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

.container {
    width: min(100%, var(--content-width));
    margin: 0 auto;
}

/* Hero */

.header {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) 200px;
    min-height: 280px;
    padding: 32px 36px;
    overflow: hidden;
    border: 1px solid var(--hero-border);
    border-radius: var(--radius-lg);
    color: var(--hero-text);
    background: var(--hero);
    box-shadow: var(--shadow-sm);
    isolation: isolate;
}

.header-content {
    align-self: center;
    min-width: 0;
    max-width: 720px;
}

.eyebrow,
.section-kicker {
    margin: 0;
    color: var(--accent);
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 750;
    letter-spacing: 0.105em;
    line-height: 1.4;
    text-transform: uppercase;
}

.header .eyebrow {
    color: var(--hero-accent);
}

.header h1 {
    max-width: 780px;
    margin: 10px 0 14px;
    color: var(--hero-text);
    font-size: clamp(2.35rem, 3.9vw, 3.25rem);
    font-weight: 680;
    letter-spacing: -0.055em;
    line-height: 0.91;
}

.header h1 span {
    color: var(--hero-accent);
    font-family: var(--font-serif);
    font-size: 0.84em;
    font-style: italic;
    font-weight: 500;
    letter-spacing: -0.055em;
}

.hero-lead {
    max-width: 650px;
    margin: 0;
    color: var(--hero-muted);
    font-size: 1rem;
    line-height: 1.5;
}

.hero-meta {
    display: flex;
    gap: 12px 22px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 16px;
    color: var(--hero-muted);
    font-size: 0.84rem;
}

.meta-item {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    color: inherit;
    text-decoration: none;
}

.meta-item svg {
    width: 17px;
    height: 17px;
    fill: none;
    stroke: var(--hero-accent);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.meta-item:hover {
    color: var(--hero-text);
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 18px;
}

.header-btn {
    display: inline-flex;
    min-height: 36px;
    gap: 8px;
    align-items: center;
    justify-content: center;
    padding: 7px 12px;
    border: 1px solid var(--hero-control-border);
    border-radius: 999px;
    color: var(--hero-text);
    background: var(--hero-control);
    font-size: 0.78rem;
    font-weight: 700;
    text-decoration: none;
    backdrop-filter: blur(8px);
    transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.header-btn:hover {
    color: var(--hero-text);
    border-color: var(--hero-accent);
    background: var(--hero-control-hover);
    transform: translateY(-2px);
}

.header-btn-primary {
    color: var(--hero-text);
    border-color: var(--hero-control-border);
    background: var(--hero-control);
}

.header-btn-primary:hover {
    color: var(--hero-text);
    border-color: var(--hero-accent);
    background: var(--hero-control-hover);
}

.header-tools {
    position: absolute;
    z-index: 3;
    top: 28px;
    right: 30px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.language-switcher {
    display: flex;
    gap: 3px;
    padding: 3px;
    border: 1px solid var(--hero-control-border);
    border-radius: 999px;
    background: var(--hero-control);
    backdrop-filter: blur(12px);
}

.lang-btn,
.theme-toggle {
    display: inline-flex;
    min-width: 38px;
    min-height: 36px;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 999px;
    color: var(--hero-muted);
    background: transparent;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: color 160ms ease, background 160ms ease;
}

.lang-btn {
    gap: 5px;
    padding: 7px 10px;
}

.lang-btn:hover,
.lang-btn.active {
    color: var(--hero-text);
    background: var(--hero-control-hover);
}

.lang-btn.active {
    box-shadow: inset 0 0 0 1px var(--hero-control-border);
}

.flag-icon {
    width: 14px;
    height: 10px;
    border-radius: 2px;
    object-fit: cover;
    opacity: 0.82;
}

.theme-toggle {
    width: 42px;
    border: 1px solid var(--hero-control-border);
    background: var(--hero-control);
    backdrop-filter: blur(12px);
}

.theme-toggle:hover {
    color: var(--hero-text);
    background: var(--hero-control-hover);
}

.theme-icon {
    width: 17px;
    height: 17px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

[data-theme="light"] .theme-icon-sun,
[data-theme="dark"] .theme-icon-moon {
    display: none;
}

.portrait-column {
    position: relative;
    align-self: center;
    justify-self: end;
    width: min(100%, 190px);
}

.portrait-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    padding: 5px;
    border: 1px solid var(--hero-control-border);
    border-radius: 10px;
    background: var(--hero-control);
}

.header-photo {
    width: 100%;
    height: 100%;
    border-radius: inherit;
    object-fit: cover;
    filter: saturate(0.9) contrast(1.03);
}

/* Primary section navigation */

.section-tabs {
    position: sticky;
    z-index: 20;
    top: 8px;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 4px;
    margin: 10px 0 0;
    padding: 3px;
    overflow-x: auto;
    border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
    border-radius: 10px;
    background: color-mix(in srgb, var(--surface) 86%, transparent);
    box-shadow: none;
    backdrop-filter: blur(18px) saturate(1.3);
}

.section-tab-btn {
    position: relative;
    display: flex;
    min-height: 40px;
    gap: 10px;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border: 0;
    border-radius: 7px;
    color: var(--muted);
    background: transparent;
    font-size: 0.8rem;
    font-weight: 750;
    cursor: pointer;
    white-space: nowrap;
    transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.section-tab-btn:hover {
    color: var(--ink);
    background: var(--surface-muted);
}

.section-tab-btn.active {
    color: var(--accent-strong);
    background: transparent;
    box-shadow: inset 0 -2px var(--accent);
}

.tab-index {
    color: var(--accent);
    font-family: var(--font-sans);
    font-size: 0.64rem;
    font-weight: 750;
}

.section-tab-btn.active .tab-index {
    color: var(--accent);
}

/* Content shell */

.site-content {
    min-height: 480px;
}

.section-panel {
    scroll-margin-top: 74px;
    min-height: 480px;
    padding: 34px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.section-panel.active {
    animation: panel-in 320ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

@keyframes panel-in {
    from {
        opacity: 0;
        transform: translateY(9px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-heading {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 22px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}

.section-index {
    display: block;
    width: auto;
    height: auto;
    flex: 0 0 auto;
    border: 0;
    color: var(--accent);
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 750;
}

.section-heading h2 {
    margin: 2px 0 0;
    color: var(--ink);
    font-size: clamp(1.8rem, 3vw, 2.35rem);
    font-weight: 720;
    letter-spacing: -0.045em;
    line-height: 1.05;
}

.section-kicker {
    color: var(--muted);
    font-size: 0.64rem;
}

h3 {
    color: var(--ink);
    font-size: 1.24rem;
    letter-spacing: -0.018em;
    line-height: 1.35;
}

h4 {
    color: var(--ink);
}

p {
    margin-top: 0;
}

ul,
ol {
    margin-top: 0;
    padding-left: 0;
}

li {
    margin-bottom: 12px;
}

strong {
    color: var(--ink);
    font-weight: 720;
}

.summary-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1px;
    margin: 0 0 24px;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-width: 1px 0;
    border-radius: 0;
    background: transparent;
    list-style: none;
}

.summary-list li {
    margin: 0;
    padding: 13px 0;
    background: transparent;
    color: var(--ink-soft);
}

.summary-list strong {
    display: block;
    margin-bottom: 5px;
    color: var(--accent);
    font-family: var(--font-sans);
    font-size: 0.67rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-content > :last-child {
    margin-bottom: 0;
}

.subsection-title {
    display: flex;
    gap: 12px;
    align-items: center;
    margin: 28px 0 12px;
    font-size: 0.92rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.subsection-title::before {
    width: 24px;
    height: 2px;
    content: "";
    background: var(--accent);
}

/* News and featured work */

.award {
    margin: 0;
    padding: 14px 0;
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
    color: var(--ink-soft);
}

.award > div {
    margin-top: 14px;
}

.award-photo {
    width: min(100%, 270px);
    height: auto;
    border: 1px solid var(--line);
    border-radius: 8px;
    object-fit: cover;
    box-shadow: none;
}

.award-caption {
    margin-top: 8px;
    color: var(--muted);
    font-size: 0.79rem;
    font-style: normal;
    line-height: 1.45;
}

.news-highlight {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 22px;
    align-items: start;
    margin: 0;
    padding: 18px 0;
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
}

.news-text > strong {
    display: block;
    margin-bottom: 9px;
    font-family: var(--font-serif);
    font-size: 1.18rem;
    line-height: 1.35;
}

.news-text > div + div:not(.news-meta) {
    margin-top: 10px;
}

.news-meta {
    margin-top: 13px;
    color: var(--muted);
    font-size: 0.84rem;
}

.news-gallery {
    display: flex;
    gap: 10px;
    margin: 0 !important;
}

.news-gallery > div {
    width: 126px;
}

.news-photo {
    width: 126px;
    height: 142px;
}

.news-photo-wide {
    width: 190px;
    height: 118px;
}

.publication-item {
    position: relative;
    margin: 0;
    padding: 18px 0;
    overflow: hidden;
    color: var(--ink-soft);
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.pub-links {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 14px;
}

.icon-link {
    display: inline-flex;
    min-height: 34px;
    gap: 7px;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    color: var(--ink-soft);
    background: var(--surface);
    font-size: 0.76rem;
    font-weight: 760;
    text-decoration: none;
    transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.icon-link:hover {
    color: var(--ink);
    border-color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-1px);
}

.icon-link.page-link {
    color: #f8fff9;
    border-color: var(--accent-strong);
    background: var(--accent-strong);
}

.icon-link.page-link:hover {
    color: #fff;
    border-color: var(--accent);
    background: var(--accent);
}

.link-icon {
    width: 13px;
    height: 13px;
    flex: 0 0 auto;
    fill: currentColor;
}

.video-container {
    width: 100%;
    max-width: 720px;
    margin: 22px 0 0;
}

.video-container iframe {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    border: 0;
    border-radius: 16px;
    background: #07100d;
    box-shadow: var(--shadow-sm);
}

/* CV */

.cv-section {
    position: relative;
    margin: 0;
    padding: 20px 0;
    overflow: hidden;
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
}

.cv-section h3 {
    margin: 0 0 14px;
    color: var(--accent-strong);
    font-family: var(--font-serif);
    font-size: 1.2rem;
}

.cv-section ul,
.nested-list {
    margin: 0;
    list-style: none;
}

.cv-section li {
    position: relative;
    margin: 0;
    padding: 0 0 10px 18px;
    color: var(--ink-soft);
}

.cv-section li:last-child {
    padding-bottom: 0;
}

.cv-section li::before {
    position: absolute;
    width: auto;
    height: auto;
    left: 0;
    top: 0;
    content: "–";
    border: 0;
    border-radius: 0;
    color: var(--accent);
    background: transparent;
    box-shadow: none;
}

.nested-list {
    margin-top: 12px;
    padding: 0 0 0 12px;
}

.nested-list li {
    font-size: 0.94rem;
}

/* Research */

.research-intro {
    padding: 20px 0;
    border: 1px solid var(--line);
    border-width: 1px 0;
    border-radius: 0;
    color: var(--ink-soft);
    background: transparent;
}

.research-intro > p:first-child {
    max-width: 850px;
    margin-bottom: 16px;
    font-family: var(--font-serif);
    font-size: clamp(1.05rem, 1.7vw, 1.2rem);
    line-height: 1.55;
}

.research-points {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 0;
    list-style: none;
}

.research-points li {
    margin: 0;
    padding: 8px 12px 8px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    font-size: 0.9rem;
}

.research-points strong {
    display: block;
    margin-bottom: 3px;
    color: var(--accent-strong);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.research-media {
    margin: 26px 0 0;
}

.research-image {
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: #07100d;
    box-shadow: var(--shadow-sm);
}

.research-media .award-caption {
    max-width: 760px;
    margin: 10px auto 0;
    text-align: center;
}

.research-cta {
    margin-top: 16px;
    padding: 14px 0;
    background: transparent;
}

.research-cta > p:first-child {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 0.95rem;
}

.inline-tab-link {
    display: inline-flex;
    margin: 0 4px;
    padding: 3px 9px;
    border: 1px solid color-mix(in srgb, var(--blue) 58%, transparent);
    border-radius: 999px;
    color: var(--blue);
    background: transparent;
    font-weight: 750;
    cursor: pointer;
}

.inline-tab-link:hover {
    color: #fff;
    background: var(--blue);
}

/* Publication record */

.bib-list {
    margin: 0 0 36px;
    list-style: none;
}

.bib-list li {
    position: relative;
    margin: 0;
    padding: 21px 20px 21px 70px;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    transition: background 160ms ease;
}

.bib-list li:last-child {
    border-bottom: 1px solid var(--line);
}

.bib-list li:hover {
    background: var(--surface-muted);
}

.bib-label {
    position: absolute;
    top: 22px;
    left: 14px;
    color: var(--accent);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 800;
}

#panel-publications .section-content > h3 {
    display: flex;
    gap: 10px;
    align-items: center;
    margin: 34px 0 12px;
    color: var(--ink);
    font-family: var(--font-serif);
    font-size: 1.45rem;
}

#panel-publications .section-content > h3:first-child {
    margin-top: 0;
}

/* Dissemination, demos, and accordion */

.dissemination-intro {
    max-width: 760px;
    margin: -8px 0 28px;
    color: var(--muted);
    font-size: 1.04rem;
}

.journey-intro {
    position: relative;
    margin-bottom: 18px;
    padding: clamp(10px, 2vw, 18px) 0 clamp(22px, 3vw, 30px);
    border-bottom: 1px solid var(--line);
}

.journey-intro::after {
    display: none;
}

.journey-eyebrow,
.demo-step-kicker {
    margin: 0 0 8px;
    color: var(--accent-strong);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.journey-intro h3 {
    max-width: 720px;
    margin: 0 0 10px;
    color: var(--ink);
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    line-height: 1.05;
}

.journey-intro > p:not(.journey-eyebrow) {
    max-width: 760px;
    margin: 0;
    color: var(--ink-soft);
}

.journey-map {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 12px;
    align-items: stretch;
    margin-top: 26px;
}

.journey-map-step {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 11px;
    align-items: start;
    padding: 9px 2px;
}

.journey-number,
.demo-tab-index {
    display: grid;
    width: 31px;
    height: 31px;
    flex: none;
    place-items: center;
    border-radius: 50%;
    color: var(--accent-strong);
    background: var(--accent-soft);
    font-size: 0.67rem;
    font-weight: 850;
    font-variant-numeric: tabular-nums;
}

.journey-map-step strong,
.journey-map-step span {
    display: block;
}

.journey-map-step strong {
    margin-bottom: 3px;
    color: var(--ink);
    font-size: 0.88rem;
}

.journey-map-step div > span {
    color: var(--muted);
    font-size: 0.74rem;
    line-height: 1.4;
}

.journey-arrow {
    align-self: center;
    color: var(--accent);
    font-size: 1.3rem;
}

.dissemination-item {
    margin-bottom: 0;
    overflow: clip;
    border-top: 1px solid var(--line);
    background: transparent;
}

.dissemination-item:hover,
.dissemination-item.expanded {
    border-color: var(--line-strong);
}

.dissemination-header {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr auto;
    gap: 18px;
    align-items: center;
    padding: 20px 0;
    border: 0;
    color: var(--ink);
    background: transparent;
    text-align: left;
    cursor: pointer;
}

.dissemination-header h3 {
    grid-column: 1;
    grid-row: 1;
    margin: 0;
    font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.dissemination-toggle {
    display: grid;
    width: 35px;
    height: 35px;
    grid-column: 2;
    grid-row: 1;
    place-items: center;
    border: 0;
    border-radius: 50%;
    color: var(--accent);
    font-size: 1.1rem;
    transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.dissemination-item.expanded .dissemination-toggle {
    color: #102019;
    border-color: var(--signal);
    background: var(--signal);
    transform: rotate(90deg);
}

.dissemination-content {
    padding: 0 0 28px;
}

.dissemination-item.expanded .dissemination-content {
    animation: disclosure-in 240ms ease both;
}

@keyframes disclosure-in {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dissemination-description {
    margin: 4px 0 18px;
    color: var(--muted);
}

.demo-tabs {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin: 18px 0 22px;
    padding: 0;
    border-bottom: 1px solid var(--line);
}

.demo-tab-btn {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    min-height: 44px;
    padding: 10px 10px 12px;
    border: 0;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    color: var(--muted);
    background: transparent;
    font-size: 0.84rem;
    font-weight: 750;
    text-align: left;
    cursor: pointer;
    transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.demo-tab-copy,
.demo-tab-copy strong,
.demo-tab-copy small {
    display: block;
}

.demo-tab-copy strong {
    color: var(--ink);
    font-size: 0.82rem;
}

.demo-tab-copy small {
    margin-top: 2px;
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1.3;
}

.demo-tab-btn:hover {
    color: var(--ink);
}

.demo-tab-btn.active {
    color: var(--ink);
    border-bottom-color: var(--accent);
    background: transparent;
}

.demo-tab-btn.active .demo-tab-index {
    color: #102019;
    background: var(--signal);
}

.demo-callout {
    margin: 18px 0;
    padding: 5px 0 5px 18px;
    border-left: 3px solid var(--line-strong);
}

.demo-callout-blue {
    border-left-color: var(--blue);
}

.demo-callout-green {
    border-left-color: var(--accent);
}

.demo-callout-neutral {
    border-left-color: var(--line-strong);
}

.demo-callout h4 {
    margin: 0 0 5px;
    color: var(--ink);
    font-size: 1.08rem;
}

.demo-callout p {
    margin: 0 0 9px;
    color: var(--muted);
    font-size: 0.86rem;
}

.demo-callout p:last-child {
    margin-bottom: 0;
}

.demo-callout .demo-step-kicker {
    margin-bottom: 5px;
    color: var(--accent-strong);
    font-size: 0.66rem;
}

.demo-callout .demo-mission {
    padding: 5px 0;
    color: var(--ink-soft);
}

.demo-callout .demo-mission strong {
    color: var(--ink);
}

.demo-callout .demo-model-note {
    font-size: 0.76rem;
}

.demo-research-links {
    padding-top: 2px;
    font-size: 0.76rem !important;
}

.demo-research-links a {
    font-weight: 700;
}

.demo-iframe {
    display: block;
    width: 100%;
    height: 760px;
    border: 0;
    border-radius: 0;
    background: var(--bg);
}

.loco-content-card,
.triptic-content-card {
    margin-top: 20px;
    color: var(--ink-soft);
}

.loco-content-card > p,
.triptic-content-card > p {
    margin: 0 0 20px;
}

.loco-image-box {
    margin: 22px 0;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface-muted);
}

.loco-image-label {
    margin: 0 0 12px;
    color: var(--ink);
    font-size: 0.82rem;
    font-weight: 750;
}

.loco-image-box img {
    width: 100%;
    height: auto;
    border-radius: 11px;
}

.download-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.triptic-download-btn {
    color: #fff;
    border-color: var(--accent-strong);
    background: var(--accent-strong);
}

.triptic-download-btn:hover {
    color: #fff;
    border-color: var(--accent);
    background: var(--accent);
}

/* Footer */

.site-footer {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 18px;
    align-items: center;
    margin: 8px 0;
    padding: 16px 0;
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    color: var(--muted);
    background: transparent;
    font-size: 0.78rem;
}

.site-footer p {
    margin: 0;
}

.back-to-top {
    font-weight: 750;
    text-decoration: none;
}

/* Responsive */

@media (max-width: 960px) {
    body {
        padding: 16px;
    }

    .header {
        grid-template-columns: minmax(0, 1.25fr) 190px;
        min-height: 310px;
        padding: 32px;
    }

    .header h1 {
        font-size: clamp(3rem, 7vw, 4rem);
    }

    .portrait-column {
        width: min(100%, 185px);
    }

    .tab-index {
        display: none;
    }

    .research-points {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    html {
        scroll-padding-top: 95px;
    }

    body {
        padding: 10px;
    }

    .journey-map {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .journey-arrow {
        justify-self: center;
        line-height: 0.7;
        transform: rotate(90deg);
    }

    .demo-tabs {
        grid-template-columns: 1fr;
    }

    .header {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: 18px;
        padding: 64px 22px 20px;
        border-radius: 14px;
    }

    .header h1 {
        margin-top: 14px;
        font-size: clamp(2.85rem, 13vw, 4.6rem);
        white-space: nowrap;
    }

    .header-tools {
        top: 14px;
        right: 16px;
    }

    .header-actions {
        gap: 8px;
    }

    .header-btn {
        flex: 1 1 auto;
        padding: 8px 10px;
        font-size: 0.78rem;
    }

    .portrait-column {
        width: min(48vw, 165px);
        justify-self: center;
    }

    .section-tabs {
        top: 7px;
        grid-template-columns: repeat(5, minmax(116px, auto));
        justify-content: start;
        margin: 10px 0;
        border-radius: 9px;
        scrollbar-width: none;
    }

    .section-tabs::-webkit-scrollbar {
        display: none;
    }

    .section-tab-btn {
        min-height: 38px;
        padding: 7px 11px;
        font-size: 0.78rem;
    }

    .section-panel {
        scroll-margin-top: 72px;
        min-height: 0;
        padding: 24px 2px;
        border-radius: 0;
    }

    .section-heading {
        gap: 12px;
        margin-bottom: 20px;
        padding-bottom: 12px;
    }

    .section-index {
        width: auto;
        height: auto;
    }

    .summary-list {
        grid-template-columns: 1fr;
        margin-bottom: 24px;
    }

    .news-highlight {
        grid-template-columns: 1fr;
        padding: 16px 0;
    }

    .news-gallery {
        width: 100%;
    }

    .news-gallery > div {
        width: 50%;
    }

    .news-photo {
        width: 100%;
        height: auto;
        aspect-ratio: 0.9;
    }

    .news-photo-wide {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
    }

    .award-photo {
        width: 100%;
    }

    .publication-item,
    .cv-section {
        padding: 16px 0;
    }

    .research-intro {
        padding: 16px 0;
    }

    .bib-list li {
        padding: 48px 8px 19px;
    }

    .bib-label {
        top: 18px;
        left: 8px;
    }

    .dissemination-header {
        padding: 18px;
    }

    .dissemination-content {
        padding: 3px 18px 20px;
    }

    .demo-iframe {
        height: 72vh;
        min-height: 540px;
    }

    .site-footer {
        grid-template-columns: 1fr auto;
        padding: 20px;
    }

    .site-footer p:nth-child(2) {
        display: none;
    }
}

@media (max-width: 430px) {
    .header-btn {
        flex-basis: calc(50% - 5px);
    }

    .header-btn:first-child {
        flex-basis: 100%;
    }

    .hero-meta {
        align-items: flex-start;
        flex-direction: column;
    }

    .download-actions .header-btn {
        flex-basis: 100%;
    }
}

@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 print {
    :root,
    [data-theme="dark"] {
        --bg: #fff;
        --surface: #fff;
        --surface-raised: #fff;
        --surface-muted: #f4f4f4;
        --ink: #111;
        --ink-soft: #333;
        --muted: #555;
        --line: #ccc;
        --line-strong: #aaa;
        --accent: #135d49;
        --accent-strong: #135d49;
    }

    body {
        padding: 0;
        background: #fff;
        font-size: 10pt;
    }

    .header {
        min-height: 0;
        grid-template-columns: 1fr 130px;
        padding: 24px;
        border: 1px solid #aaa;
        color: #111;
        background: #fff;
        box-shadow: none;
    }

    .header h1,
    .header h1 span,
    .hero-lead,
    .hero-meta,
    .meta-item {
        color: #111;
    }

    .header h1 {
        font-size: 38pt;
    }

    .header-tools,
    .header-actions,
    .section-tabs,
    .video-container,
    .demo-iframe,
    .site-footer {
        display: none !important;
    }

    .portrait-column {
        width: 120px;
    }

    .site-content {
        min-height: 0;
    }

    .section-panel,
    .section-panel[hidden] {
        display: block !important;
        min-height: 0;
        margin-top: 18px;
        padding: 22px 0;
        border: 0;
        border-top: 1px solid #aaa;
        border-radius: 0;
        box-shadow: none;
        break-inside: auto;
    }

    .section-heading {
        margin-bottom: 18px;
    }

    .publication-item,
    .cv-section,
    .award,
    .news-highlight,
    .research-intro,
    .bib-list li {
        box-shadow: none;
        break-inside: avoid;
    }

    .dissemination-content[hidden] {
        display: none !important;
    }

    a {
        color: #111;
    }
}