:root {
    --primary: #8f001a;
    --primary-dark: #680013;
    --primary-soft: #fbecef;
    --ink-1: #202631;
    --ink-2: #556170;
    --bg: #f7f8fb;
    --card: #ffffff;
    --line: #dde3ea;
    --shadow: 0 10px 30px rgba(25, 35, 45, 0.08);
    --radius: 14px;
    --content-width: 1120px;
}

* {
    box-sizing: border-box;
}

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

body {
    font-family: "Manrope", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.65;
    color: var(--ink-1);
    background:
        radial-gradient(circle at 0% 0%, #ffffff 0%, #f7f8fb 42%),
        linear-gradient(140deg, #f9fbff 0%, #f3f4f8 100%);
    padding: 20px;
}

h1,
h2,
h3,
h4 {
    font-family: "Merriweather", Georgia, "Times New Roman", serif;
    color: var(--ink-1);
    line-height: 1.25;
}

p {
    color: var(--ink-2);
}

.navbar {
    background: linear-gradient(95deg, var(--primary-dark) 0%, var(--primary) 100%);
    max-width: var(--content-width);
    margin: 0 auto 20px;
    padding: 14px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.navbar a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.2px;
    padding: 6px 12px;
    border-radius: 999px;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.navbar a:hover,
.navbar a.active {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.content-wrapper {
    max-width: var(--content-width);
    margin: 0 auto;
    display: grid;
    gap: 20px;
}

.layout-home {
    grid-template-columns: 310px 1fr;
}

.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px;
    border: 1px solid rgba(221, 227, 234, 0.5);
}

.card-spaced {
    margin-top: 20px;
}

.profile-name {
    margin: 0;
    color: var(--primary-dark);
}

.profile-role {
    margin-top: 8px;
}

.page-title {
    margin-top: 0;
    color: var(--primary-dark);
}

.section-title-top {
    margin-top: 28px;
}

.text-left {
    text-align: left;
}

.hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(118deg, #fff8f9 0%, #ffffff 42%, #f4f8ff 100%);
}

.hero::before {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(143, 0, 26, 0.13) 0%, rgba(143, 0, 26, 0) 70%);
    top: -140px;
    right: -100px;
    pointer-events: none;
}

.hero-title {
    margin: 0 0 8px;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    color: var(--primary-dark);
}

.hero-subtitle {
    margin: 0;
    max-width: 70ch;
}

.hero-actions,
.inline-actions {
    margin-top: 18px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.inline-actions-start {
    justify-content: flex-start;
    margin-top: 8px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 9px 14px;
    font-weight: 700;
    color: var(--ink-1);
    background: #fff;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.button-small {
    padding: 7px 11px;
    font-size: 0.85rem;
}

.button:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(32, 38, 49, 0.08);
}

.button-primary {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
}

.button-primary:hover {
    background: var(--primary-dark);
}

.section-title {
    margin: 0 0 16px;
    font-size: 1.35rem;
    color: var(--primary-dark);
    border-bottom: 2px solid var(--line);
    padding-bottom: 8px;
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}

.work-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 14px;
    background: #fff;
}

.work-card h3 {
    margin: 6px 0;
    font-size: 1.02rem;
}

.work-card p {
    margin: 8px 0 10px;
    font-size: 0.95rem;
}

.work-card a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.work-card a:hover {
    text-decoration: underline;
}

.muted {
    color: var(--ink-2);
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
    font-size: 0.95rem;
}

.contact-list a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.contact-list a:hover {
    text-decoration: underline;
}

.block-title {
    font-size: 0.95rem;
    margin: 22px 0 8px;
    color: var(--ink-1);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: var(--primary-soft);
    color: var(--primary-dark);
    border: 1px solid #f4cad1;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
}

.meta-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    flex-wrap: wrap;
}

.meta-date {
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 700;
}

.item {
    margin-bottom: 24px;
}

.item:last-child {
    margin-bottom: 0;
}

.item-subtitle {
    font-style: italic;
    color: var(--ink-2);
    font-size: 0.95rem;
}

.item-title {
    margin: 0;
    font-size: 1.1rem;
}

.publication-title {
    margin: 0;
    font-size: 1.06rem;
}

.item p,
.item ul {
    margin-top: 8px;
    margin-bottom: 0;
}

.publication-list {
    display: grid;
    gap: 14px;
}

.publication-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px;
    background: #fff;
}

.publication-card h4 {
    margin: 0 0 6px;
    font-size: 1.02rem;
}

.publication-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.publication-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.publication-actions .button {
    text-decoration: none;
}

.doi-pending {
    display: inline-flex;
    align-items: center;
    padding: 7px 10px;
    border: 1px dashed var(--line);
    border-radius: 10px;
    font-size: 0.85rem;
    color: var(--ink-2);
    background: #fcfdff;
}

.copy-feedback {
    font-size: 0.85rem;
    color: var(--ink-2);
    align-self: center;
}

.publication-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.publication-links a:hover {
    text-decoration: underline;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.video-box {
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    border: 1px solid var(--line);
    text-align: left;
}

.video-box h3 {
    margin: 0 0 6px;
    font-size: 1.1rem;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.video-date {
    color: var(--ink-2);
    font-size: 0.88rem;
}

.tiktok-frame {
    position: relative;
    width: 100%;
    padding-top: 177.78%;
    border-radius: 10px;
    overflow: hidden;
    background: #000;
}

.tiktok-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.embed-loader {
    position: absolute;
    inset: 0;
    border: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    color: #fff;
    background:
        linear-gradient(145deg, rgba(104, 0, 19, 0.95), rgba(16, 24, 40, 0.9)),
        radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
    transition: transform 0.2s ease;
}

.embed-loader:hover {
    transform: scale(1.01);
}

.embed-loader:focus-visible {
    outline: 3px solid #2b7fff;
    outline-offset: -3px;
}

.embed-loader__label {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.2px;
}

.embed-loader__hint {
    font-size: 0.82rem;
    opacity: 0.9;
}

.video-fallback {
    margin-top: 10px;
    font-size: 0.9rem;
}

.video-fallback a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.video-fallback a:hover {
    text-decoration: underline;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-footer {
    max-width: var(--content-width);
    margin: 20px auto 0;
    color: var(--ink-2);
    font-size: 0.9rem;
    text-align: center;
}

a:focus-visible,
button:focus-visible,
iframe:focus-visible {
    outline: 3px solid #2b7fff;
    outline-offset: 2px;
    border-radius: 8px;
}

@media (max-width: 860px) {
    body {
        padding: 14px;
    }

    .layout-home {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}