:root {
    --ink: #1f2933;
    --muted: #5f6f7a;
    --paper: #ffffff;
    --mist: #eef6f8;
    --sky: #5d9fc8;
    --sky-dark: #2f6f91;
    --sage: #7fa58b;
    --coral: #c9896c;
    --line: rgba(47, 111, 145, 0.18);
    --shadow: 0 18px 45px rgba(31, 41, 51, 0.10);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    background:
        linear-gradient(135deg, rgba(238, 246, 248, 0.96), rgba(255, 255, 255, 0.86) 45%, rgba(240, 246, 241, 0.94)),
        #f7fafb;
}

a {
    color: var(--sky-dark);
    text-decoration: none;
    text-underline-offset: 0.2em;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

a:hover {
    color: var(--coral);
}

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

h1,
h2,
h3 {
    color: var(--ink);
    line-height: 1.2;
}

h2 {
    margin-top: 0;
    font-size: 1.65rem;
}

h3 {
    margin-top: 1.8rem;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.75rem max(1rem, env(safe-area-inset-left)) 0.75rem max(1rem, env(safe-area-inset-right));
    background: rgba(255, 255, 255, 0.86);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.navbar a {
    color: var(--ink);
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0.5rem 0.9rem;
    font-size: 0.96rem;
    font-weight: 650;
    line-height: 1;
    white-space: nowrap;
}

.navbar a:hover,
.navbar a[aria-current="page"] {
    color: var(--sky-dark);
    background: rgba(93, 159, 200, 0.12);
    border-color: rgba(93, 159, 200, 0.22);
}

.header {
    text-align: center;
    padding: 3.2rem 1.2rem 2.5rem;
    color: #fff;
    background:
        linear-gradient(145deg, rgba(47, 111, 145, 0.92), rgba(100, 156, 164, 0.78)),
        #5d9fc8;
}

.header h1 {
    margin: 0 0 1rem;
    color: #fff;
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 760;
}

.header p {
    max-width: 680px;
    margin: 0.75rem auto 0;
    color: rgba(255, 255, 255, 0.9);
}

.profile-pic {
    display: block;
    width: 158px;
    height: 158px;
    margin: 0 auto;
    border: 4px solid rgba(255, 255, 255, 0.78);
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 14px 38px rgba(31, 41, 51, 0.28);
}

.container,
.research-container,
.presentation-container,
.green-container,
.purple-container,
.orange-container {
    width: min(900px, calc(100% - 2rem));
    margin: 1.35rem auto;
    padding: clamp(1.15rem, 3vw, 2rem);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.green-container {
    background: rgba(242, 248, 240, 0.92);
}

.purple-container {
    background: rgba(247, 244, 251, 0.94);
}

.orange-container {
    background: rgba(255, 248, 241, 0.94);
}

.section {
    margin-bottom: 1.5rem;
}

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

.image-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.6rem;
}

.image-row div {
    text-align: center;
}

.image-row img,
.image-container img,
.gif-container img,
.grid-container img {
    max-width: 100%;
    height: auto;
    border-radius: 14px;
    box-shadow: 0 12px 30px rgba(31, 41, 51, 0.12);
}

.image-row img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.image-row p {
    margin: 0.65rem 0 0;
    color: var(--ink);
}

.gif-container,
.image-container {
    display: flex;
    justify-content: center;
    margin: 1rem 0 1.35rem;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.8rem;
    margin: 1rem 0 1.35rem;
}


.candy-card {
    position: relative;
    overflow: hidden;
    border-color: rgba(31, 41, 51, 0.08);
}

.candy-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 5px;
    background: linear-gradient(180deg, var(--candy-accent, var(--sky)), rgba(255, 255, 255, 0.28));
}

.candy-card h2 {
    display: inline-flex;
    align-items: center;
    padding: 0.28rem 0.7rem;
    background: rgba(255, 255, 255, 0.48);
    border: 1px solid rgba(255, 255, 255, 0.62);
    border-radius: 999px;
}

.candy-yellow {
    --candy-accent: rgba(226, 190, 91, 0.58);
    background: linear-gradient(135deg, rgba(255, 250, 215, 0.62), rgba(255, 255, 255, 0.86));
}

.candy-green {
    --candy-accent: rgba(132, 188, 146, 0.56);
    background: linear-gradient(135deg, rgba(232, 249, 226, 0.58), rgba(255, 255, 255, 0.86));
}

.candy-peach {
    --candy-accent: rgba(221, 163, 117, 0.54);
    background: linear-gradient(135deg, rgba(255, 236, 218, 0.58), rgba(255, 255, 255, 0.86));
}

.candy-pink {
    --candy-accent: rgba(206, 151, 190, 0.52);
    background: linear-gradient(135deg, rgba(252, 232, 247, 0.56), rgba(255, 255, 255, 0.86));
}

.education-item {
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.education-item i,
.research-interests i,
.honors-list li i,
.service-list li i,
.book-icon,
.microphone-icon {
    color: var(--sky-dark);
}

.education-item i {
    margin-top: 0.2rem;
    font-size: 1.25rem;
}

.education-details {
    color: var(--muted);
}

.thesis-title {
    color: var(--sky-dark);
    font-weight: 800;
}


.research-interests {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.research-interests div,
.honors-list li,
.service-list li,
.presentation-list li {
    background: rgba(255, 255, 255, 0.58);
    border: 1px solid rgba(47, 111, 145, 0.12);
    border-radius: 12px;
    padding: 0.8rem 0.9rem;
}

.research-interests div {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 650;
}

.honors-list,
.service-list,
.publications-list,
.presentation-list {
    padding: 0;
    list-style: none;
}

.honors-list li,
.service-list li {
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: 0.65rem;
    margin-bottom: 0.75rem;
}

.publication-section,
.presentation-section {
    margin-left: 0;
}

.publications-list li {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--line);
}

.publications-list li:last-child {
    border-bottom: 0;
}

.number {
    color: var(--sky-dark);
    font-size: 1.12rem;
    font-weight: 760;
    margin-right: 0.35rem;
}

.presentation-list li {
    margin-bottom: 0.8rem;
}

.timestamp {
    display: inline-block;
    margin-bottom: 0.9rem;
    color: #fff;
    background: var(--sky-dark);
    border-radius: 999px;
    padding: 0.3rem 0.75rem;
    font-size: 0.9rem;
    font-weight: 650;
}

.social-icons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1rem;
}

.social-icons a {
    display: inline-flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--line);
    border-radius: 50%;
    font-size: 1.2rem;
}

.social-icons a:hover {
    color: #fff;
    background: var(--sky-dark);
    transform: translateY(-1px);
}

footer {
    padding: 1.2rem 0 2rem;
    text-align: center;
}

footer .container {
    margin-bottom: 0;
}

.footer-small {
    color: #8b98a0;
    font-size: 0.85rem;
}


.hero {
    padding: 3.6rem 1.25rem 3rem;
    text-align: left;
}

.hero-inner,
.home-grid,
.about-grid,
.research-grid,
.publication-layout,
.share-layout,
.single-column {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
}

.hero-copy {
    max-width: 760px;
}

.eyebrow {
    margin: 0 0 0.85rem;
    color: rgba(255, 255, 255, 0.84);
    font-size: 0.82rem;
    font-weight: 760;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.4rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.65rem 1rem;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.48);
    border-radius: 999px;
    font-weight: 760;
}

.button:hover,
.button.primary {
    color: var(--sky-dark);
    background: #fff;
}

.button.primary:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.18);
}

.profile-card {
    padding: 1.25rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(31, 41, 51, 0.18);
}

.profile-card p {
    color: rgba(255, 255, 255, 0.92);
}

.profile-card a {
    color: #fff;
    text-decoration: underline;
}

.home-grid,
.about-grid,
.research-grid,
.publication-layout,
.share-layout,
.single-column {
    display: grid;
    gap: 1.1rem;
    padding: 1.1rem 0 0;
}

.home-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
}

.home-grid > .container,
.about-grid > div,
.research-grid > article,
.publication-layout > section,
.share-layout > article,
.share-layout > aside,
.single-column > section,
.single-column > article {
    width: 100%;
    margin: 0;
}

.visual-card,
.wide-card {
    grid-column: 1 / -1;
}

.about-grid .paired-card {
    grid-column: auto;
}

.focus-list {
    display: grid;
    gap: 0.7rem;
}

.focus-list span {
    display: block;
    padding: 0.75rem 0.85rem;
    color: var(--ink);
    background: rgba(93, 159, 200, 0.10);
    border: 1px solid rgba(93, 159, 200, 0.18);
    border-radius: 12px;
    font-weight: 700;
}

.about-grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
}

.research-grid {
    max-width: 980px;
}

.research-grid > article {
    margin-bottom: 1.15rem;
}

.research-container img {
    width: 100%;
}

.research-container .image-container img,
.research-container .gif-container img {
    max-width: 100%;
}

.single-column {
    max-width: 980px;
}

.single-column > section,
.single-column > article {
    width: 100%;
    margin: 0 0 1.15rem;
}


@media (max-width: 768px) {
    .hero {
        text-align: center;
    }

    .hero-inner,
    .home-grid,
    .about-grid,
    .research-grid,
    .publication-layout,
    .share-layout,
    .featured-research .section {
        width: min(100% - 1rem, 900px);
        grid-template-columns: 1fr;
    }

    .hero-actions {
        justify-content: center;
    }

    body {
        font-size: 15px;
    }

    .navbar {
        justify-content: flex-start;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .navbar::-webkit-scrollbar {
        display: none;
    }

    .navbar a {
        padding: 0.58rem 0.82rem;
        font-size: 0.92rem;
    }

    .header {
        padding: 2.4rem 1rem 2rem;
    }

    .profile-pic {
        width: 132px;
        height: 132px;
    }

    .container,
    .research-container,
    .presentation-container,
    .green-container,
    .purple-container,
    .orange-container {
        width: min(100% - 1rem, 900px);
        margin: 0.75rem auto;
        border-radius: 14px;
    }

    .image-row,
    .research-interests {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 520px) {
    .candy-card::before {
        width: 5px;
    }
}

 (max-width: 460px) {
    .grid-container {
        grid-template-columns: 1fr;
    }

    .education-item,
    .honors-list li,
    .service-list li {
        grid-template-columns: 1fr;
    }
}