@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css");

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --white: #ffffff;
    --black: #111111;
    --blue: #0044ff; /* Trendy tech blue */
    --light-gray: #f4f4f4;
    --border-color: #e0e0e0;
}

body {
    font-family: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    background-color: var(--white);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
}

.blue-dot {
    color: var(--blue);
}

.blue-text {
    color: var(--blue);
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.7) 60%, rgba(255, 255, 255, 0) 100%);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 1000;
    border-bottom: none;
}

.logo {
    display: flex;
    align-items: center;
}

.main-logo {
    height: 55px;
    width: auto;
    display: block;
    margin-top: 8px;
}

nav a {
    text-decoration: none;
    color: var(--black);
    margin-left: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover, nav a.active {
    color: var(--blue);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    padding: 120px 5% 0;
    position: relative;
    overflow: hidden;
    gap: 4rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%; right: -10%;
    width: 50vw; height: 50vw;
    background: radial-gradient(circle, rgba(0, 68, 255, 0.05) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
    border-radius: 50%;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    z-index: 2;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    color: #555;
    background: var(--white);
}

.hero-title {
    font-family: 'Teko', sans-serif;
    font-size: clamp(4rem, 8vw, 10rem);
    line-height: 0.85;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-title .solid-text {
    color: var(--black);
}

.hero-title .outline-text {
    color: transparent;
    -webkit-text-stroke: 1px var(--black);
}

.hero-title .blue-text {
    color: var(--blue);
}

.hero-subtitle {
    font-size: 1.15rem;
    max-width: 500px;
    color: #555;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-outline {
    display: inline-block;
    border: 2px solid var(--black);
    color: var(--black);
    text-decoration: none;
    padding: 0.9rem 2rem;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-outline:hover {
    background-color: var(--black);
    color: var(--white);
}

.hero-visual {
    position: relative;
    width: 100%;
    height: 70vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-decor-circle {
    position: absolute;
    width: 450px;
    height: 450px;
    border: 1px dashed rgba(0, 68, 255, 0.3);
    border-radius: 50%;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 40s linear infinite;
}

@keyframes rotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.main-visual-img {
    width: 75%;
    height: 80%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    z-index: 2;
    position: relative;
    /* Soft filter for tech look */
    filter: sepia(100%) hue-rotate(185deg) saturate(150%) brightness(0.9);
}

.floating-glass-card {
    position: absolute;
    bottom: 10%;
    left: -10%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.5);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    gap: 1rem;
    align-items: center;
    z-index: 3;
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
    max-width: 320px;
    animation: float 5s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.glass-icon {
    background: var(--blue);
    color: var(--white);
    width: 45px; height: 45px;
    display: flex; justify-content: center; align-items: center;
    border-radius: 50%;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.glass-text {
    display: flex;
    flex-direction: column;
}

.glass-text strong {
    font-size: 0.95rem;
    color: var(--black);
    margin-bottom: 0.2rem;
}

.glass-text span {
    font-size: 0.85rem;
    color: #555;
    line-height: 1.3;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 5%;
    display: flex;
    justify-content: center;
    z-index: 10;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: var(--border-color);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%; left: 0;
    width: 100%; height: 50%;
    background: var(--blue);
    animation: scrollDown 2s cubic-bezier(0.77, 0, 0.175, 1) infinite;
}

@keyframes scrollDown {
    0% { top: -50%; }
    100% { top: 150%; }
}

/* Featured Research */
.featured-research {
    padding: 5rem 5%;
    background-color: var(--light-gray);
    scroll-margin-top: 120px;
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    margin-right: 2rem;
    letter-spacing: -1px;
}

.line {
    flex-grow: 1;
    height: 1px;
    background-color: var(--black);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.research-item {
    background: var(--white);
    transition: transform 0.3s ease;
}

.research-item:hover {
    transform: translateY(-10px);
}

.figure-container {
    width: 100%;
    height: 430px;
    padding: 1rem;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    background: #e9edf5;
}

.figure-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center top;
    transition: transform 0.5s ease;
}

.research-item:hover .figure-container img {
    transform: scale(1.05);
}

.research-info {
    padding: 2rem;
}

.conference {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    display: block;
    margin-bottom: 1rem;
}

.research-info h3 {
    font-size: 1.25rem;
    line-height: 1.4;
}

/* Bottom Sections (News & Openings) */
.bottom-sections {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    padding: 5rem 5%;
}

.news-list {
    list-style: none;
    border-top: 2px solid var(--black);
}

.news-list li {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.news-tag {
    background-color: var(--black);
    color: var(--white);
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    border-radius: 50px;
    font-weight: 600;
    min-width: 100px;
    text-align: center;
}

.news-tag.highlight {
    background-color: var(--blue);
}

.news-list p {
    font-size: 1.1rem;
}

.news-more-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    color: var(--blue);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: gap 0.2s ease, border-color 0.2s ease;
}

.news-more-link:hover {
    gap: 0.75rem;
    border-bottom-color: var(--blue);
}

.news-more-link:focus-visible {
    outline: 3px solid var(--blue);
    outline-offset: 4px;
}

.news-page-section {
    max-width: 1280px;
    margin: 0 auto;
}

.news-archive-list li {
    scroll-margin-top: 120px;
}

.news-content {
    flex: 1;
    min-width: 0;
}

.news-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.35rem;
    line-height: 1.4;
}

.news-content p {
    color: #444;
    line-height: 1.7;
}

.opening-card {
    background-color: var(--black);
    color: var(--white);
    padding: 3rem;
}

.opening-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.opening-card .date {
    color: var(--blue);
    font-weight: 700;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    background-color: var(--blue);
    color: var(--white);
    text-decoration: none;
    padding: 1rem 2rem;
    margin-top: 2rem;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: var(--white);
    color: var(--black);
}

/* Footer */
footer {
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    padding: 4rem 5%;
    text-align: center;
}

footer h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

footer p {
    color: #555;
    margin-bottom: 0.5rem;
}

.copyright {
    margin-top: 2rem;
    font-size: 0.85rem;
    color: #999;
}

/* Responsive */
@media (max-width: 1024px) {
    header {
        flex-direction: column;
        padding: 1rem;
    }

    .logo {
        width: min(100%, 307px);
        justify-content: center;
    }

    .main-logo {
        width: 100%;
        height: auto;
        margin-top: 0;
    }

    nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem 1.5rem;
        margin-top: 0.75rem;
    }

    nav a {
        margin-left: 0;
    }

    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 150px;
    }
    .hero-content {
        align-items: center;
    }
    .floating-glass-card {
        left: 5%;
        bottom: 0;
    }
}

@media (max-width: 768px) {
    header {
        padding: 0.75rem 1rem;
    }
    
    nav {
        width: 100%;
        gap: 0.5rem 1rem;
        margin-top: 0.75rem;
    }
    
    nav a {
        margin: 0;
        font-size: 0.8rem;
    }

    .bottom-sections {
        grid-template-columns: 1fr;
    }

    .news-list li {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Subpages General */
.page-header {
    height: 40vh;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0;
    position: relative;
    overflow: hidden;
    color: var(--black);
}

.page-header::before {
    content: '';
    position: absolute;
    top: -20%; left: -10%;
    width: 60vw; height: 60vw;
    background: radial-gradient(circle, rgba(0, 68, 255, 0.05) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
    border-radius: 50%;
}

.page-title {
    font-family: 'Teko', sans-serif;
    font-size: clamp(4rem, 8vw, 8rem);
    text-transform: uppercase;
    letter-spacing: -2px;
    margin-top: 40px;
}

.people-section {
    padding: 4rem 5%;
}

.bg-light {
    background-color: var(--light-gray);
}

.text-link {
    color: var(--blue);
    text-decoration: none;
    transition: opacity 0.3s;
}

.text-link:hover {
    text-decoration: underline;
    opacity: 0.8;
}

/* Professor Card */
.professor-card {
    display: flex;
    gap: 4rem;
    background: var(--white);
    padding: 3rem;
    border: 1px solid var(--border-color);
    border-left: 5px solid var(--blue);
    border-radius: 0 8px 8px 0;
    align-items: center;
}

.prof-image {
    flex-shrink: 0;
}

.img-placeholder {
    width: 250px;
    height: 300px;
    background-color: #e0e0e0;
    border-radius: 4px;
}

.prof-info h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.prof-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.prof-info .edu {
    margin-top: 1.5rem;
    color: #555;
}

.contact-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.contact-info p {
    margin-bottom: 0.5rem;
}

/* Students Grid */
.student-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.student-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border: 1px solid var(--border-color);
    border-left: 5px solid var(--blue);
    border-radius: 0 8px 8px 0;
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: left;
}

.student-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 0 1.5rem;
    overflow: hidden;
    background-color: var(--light-gray);
    border: 3px solid var(--border-color);
}

.student-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.student-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.student-card h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--black);
}

.student-card .interest {
    color: #444;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.student-card .contact {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.25rem;
}

/* Alumni Table */
.table-container {
    overflow-x: auto;
}

.alumni-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    text-align: left;
}

.alumni-table th, .alumni-table td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.alumni-table th {
    background-color: var(--black);
    color: var(--white);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.alumni-table tr:hover {
    background-color: var(--light-gray);
}

@media (max-width: 768px) {
    .professor-card {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }
    
    .prof-image {
        margin: 0 auto;
    }
}

/* Publication Styles */
.publication-tabs-wrap {
    display: none;
    padding: 0 5%;
    background: var(--white);
}

.tabs-enabled .publication-tabs-wrap {
    display: block;
}

.publication-tabs {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.35rem;
    width: min(100%, 960px);
    margin: 0 auto;
    padding: 0.4rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--light-gray);
}

.publication-tab {
    appearance: none;
    min-height: 48px;
    border: 0;
    border-radius: 999px;
    padding: 0.75rem 1rem;
    background: transparent;
    color: #555;
    font: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    white-space: nowrap;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.publication-tab:hover {
    color: var(--black);
    background: rgba(255, 255, 255, 0.75);
}

.publication-tab[aria-selected="true"] {
    color: var(--white);
    background: var(--black);
    box-shadow: 0 6px 18px rgba(17, 17, 17, 0.14);
}

.publication-tab:focus-visible {
    outline: 3px solid var(--blue);
    outline-offset: 3px;
}

.publication-tab-count {
    min-width: 1.65rem;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    background: rgba(17, 17, 17, 0.08);
    font-size: 0.75rem;
    line-height: 1.4;
    text-align: center;
}

.publication-tab[aria-selected="true"] .publication-tab-count {
    background: var(--blue);
    color: var(--white);
}

.publication-panel {
    background: var(--white);
    scroll-margin-top: 110px;
}

.tabs-enabled .publication-panel:not(.is-active) {
    display: none;
}

.publication-panel:focus-visible {
    outline: none;
}

.publication-panel:focus-visible .section-title {
    text-decoration: underline;
    text-decoration-color: var(--blue);
    text-underline-offset: 0.2em;
}

.pub-list {
    list-style: none;
    padding: 0;
}

.publication-year-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 0 0 1.75rem;
    color: var(--blue);
}

.publication-year-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(
        90deg,
        rgba(0, 68, 255, 0.55),
        var(--border-color) 45%,
        transparent
    );
}

.publication-year-divider h3 {
    flex: 0 0 auto;
    font-family: 'Teko', sans-serif;
    font-size: 2rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.02em;
    font-variant-numeric: tabular-nums;
}

.pub-item {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
}

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

.pub-authors {
    font-weight: 500;
    color: #444;
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.pub-title {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--black);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.pub-venue {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.pub-venue strong {
    color: var(--blue);
}

.jcr-badge,
.scopus-badge {
    display: inline-flex;
    align-items: center;
    margin-left: 0.35rem;
    padding: 0.08rem 0.5rem;
    border: 1px solid;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.45;
    vertical-align: middle;
    white-space: nowrap;
}

.jcr-q1 {
    border-color: #b6ccff;
    background: #e8f0ff;
    color: #0037a6;
}

.jcr-q2 {
    border-color: #b7dfc6;
    background: #e9f8ef;
    color: #12633a;
}

.jcr-q3 {
    border-color: #ecd18a;
    background: #fff4d6;
    color: #7a4b00;
}

.jcr-q4 {
    border-color: #efbbc3;
    background: #ffedf0;
    color: #9f2638;
}

.jcr-na {
    border-color: #d2d2d2;
    background: #eeeeee;
    color: #555;
}

.scopus-q1 {
    border-color: #f4b77b;
    background: #fff0e1;
    color: #9a4100;
}

.scopus-q2 {
    border-color: #cdbce9;
    background: #f3edff;
    color: #5d388e;
}

.scopus-q3 {
    border-color: #a8d9d3;
    background: #e8f7f5;
    color: #17645b;
}

.scopus-q4 {
    border-color: #d8b8a5;
    background: #f8eee8;
    color: #7a4124;
}

.scopus-na {
    border-color: #d2d2d2;
    background: #eeeeee;
    color: #555;
}

.if-badge {
    display: inline-flex;
    align-items: center;
    margin-left: 0.35rem;
    padding: 0.08rem 0.5rem;
    border: 1px solid #c5162e;
    border-radius: 999px;
    background: #c5162e;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 800;
    line-height: 1.45;
    vertical-align: middle;
    white-space: nowrap;
}

.conference-metric-badge {
    display: inline-flex;
    align-items: center;
    margin-left: 0.35rem;
    padding: 0.08rem 0.5rem;
    border: 1px solid;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.45;
    vertical-align: middle;
    white-space: nowrap;
}

.bk21-if-badge {
    border-color: #c8b4ef;
    background: #f3edff;
    color: #58358f;
}

.conference-highlight-badge {
    border-color: #ef9aa7;
    background: #ffe8ec;
    color: #a1152c;
    font-weight: 800;
}

.kiise-best-badge {
    border-color: #efb9c1;
    background: #ffedf0;
    color: #9f2638;
}

.kiise-excellent-badge {
    border-color: #b7dfc6;
    background: #e9f8ef;
    color: #12633a;
}

.pub-links {
    margin-top: 1rem;
}

.pub-links a {
    display: inline-flex;
    align-items: center;
    background: var(--light-gray);
    color: var(--black);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.pub-links a:hover {
    background: var(--blue);
    color: var(--white);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .publication-tabs {
        display: flex;
        justify-content: flex-start;
        overflow-x: auto;
        width: 100%;
        border-radius: 16px;
        scroll-snap-type: x proximity;
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
    }

    .publication-tab {
        flex: 0 0 auto;
        min-width: max-content;
        padding-inline: 1rem;
        scroll-snap-align: start;
    }

    .publication-panel .section-header {
        display: block;
        margin-bottom: 2rem;
    }

    .publication-panel .section-title {
        margin-right: 0;
        font-size: 2rem;
        overflow-wrap: anywhere;
    }

    .publication-panel .line {
        width: 100%;
        margin-top: 1rem;
    }

    .publication-panel .pub-authors,
    .publication-panel .pub-title,
    .publication-panel .pub-venue {
        overflow-wrap: anywhere;
    }

    .publication-panel .pub-title {
        font-size: 1.1rem;
    }

    .publication-year-divider {
        gap: 0.75rem;
        margin-bottom: 1.5rem;
    }

    .publication-year-divider h3 {
        font-size: 1.8rem;
    }
}

/* Contact Page */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

.contact-sidebar {
    padding: 3rem;
    border-radius: 8px;
    position: sticky;
    top: 120px;
}

.contact-item {
    margin-bottom: 2rem;
}

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

.contact-item strong {
    color: var(--blue);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-item p {
    font-size: 1.1rem;
    font-weight: 500;
}

.join-content {
    color: #444;
}

.join-content h3 {
    font-size: 1.75rem;
    color: var(--black);
    margin-bottom: 1rem;
}

.join-content p {
    margin-bottom: 1.25rem;
}

.join-list {
    margin-bottom: 1.5rem;
    margin-left: 1.5rem;
    line-height: 1.8;
}

.apply-notice {
    padding: 1.5rem;
    background: var(--light-gray);
    border-left: 4px solid var(--blue);
    font-weight: 600;
    margin: 2rem 0;
    color: var(--black);
}

@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .contact-sidebar {
        position: static;
    }
}