@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@400;500;600;700&display=swap');

:root {
    --primary-color: rgb(113, 111, 185); /* Blue-Purple */
    --primary-color-dark: #000000;
    --primary-color-light: rgba(116, 71, 96, 0);
    --primary-gradient: linear-gradient(90deg, #6a4cff 0%, #a259f7 100%);
    --text-color: #1a2327;
    --bg-color: #f6f8fa;
    --nav-bg: rgba(255,255,255,0.18); /* Glass effect */
    --card-bg: rgba(255,255,255,0.22); /* Glass effect */
    --border-color: #d0e2e7;
    --background-color: #f4f8f9;
    --metallic-gradient: linear-gradient(120deg, #e0e0e0 0%, #b0b0b0 40%, #f8f8f8 100%);
    --glass-blur: blur(18px);
    --glass-border: 1.5px solid rgba(200,200,200,0.35);
    --glass-shadow: 0 8px 32px 0 rgba(31,38,135,0.18);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Lexend', sans-serif;

}

body {
    font-family: 'Lexend', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    background: var(--background-color);
}

h1, h2, h3 {
    font-family: 'Lexend', sans-serif;
}

.navbar {
    background: var(--nav-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: var(--glass-border);
    box-shadow: var(--glass-shadow);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background 0.4s, box-shadow 0.4s;
    padding: 2.2rem 0 2.2rem 0; /* Thicker navbar */
    min-height: 80px;
    /* metallic shine overlay */
    overflow: visible;
}

.navbar::before {
    content: '';
    position: absolute;
    left: 0; right: 0; top: 0; bottom: 0;
    pointer-events: none;
    background: var(--metallic-gradient);
    opacity: 0.18;
    z-index: 0;
}

.nav-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    text-shadow: 0 1px 8px rgba(180,180,180,0.12);
    letter-spacing: 0.03em;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.13rem;
    padding: 0.6em 1.2em;
    border-radius: 0.7em;
    transition: background 0.3s, color 0.3s, box-shadow 0.2s, transform 0.2s;
    box-shadow: 0 1px 6px rgba(180,180,180,0.07);
    backdrop-filter: var(--glass-blur);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color-dark);
    background: rgba(119, 26, 219, 0.26);
    box-shadow: 0 2px 12px rgba(106, 76, 255, 0.67);
    border: 1.5px solid var(--primary-color-light);
    transform: scale(1.09);
}

.hero {
    position: relative;
    overflow: hidden;
    background: var(--card-bg);
    max-width: 1200px;
    margin: 1.5rem auto 3rem auto; /* Reduced top margin for less gap from navbar */
    border-radius: 2rem;
    box-shadow: var(--glass-shadow);
}

.hero-blob-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

.blob {
    position: absolute;
    width: 55%;
    min-width: 220px;
    max-width: 600px;
    height: auto;
    z-index: 1;
    filter: blur(0.5px) saturate(1.4);
    opacity: 0.65; /* More visible */
}

.blob-top {
    top: 0px;
    left: -30px;
}

.blob-bottom {
    bottom: 0px;
    right: -30px;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 420px;
    padding: 3rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-img {
    width: 270px;
    height: 270px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 4px 32px 0 rgba(31,38,135,0.13), 0 1.5px 8px 0 rgba(120,120,180,0.10);
    border: 6px solid rgba(255,255,255,0.7);
    background: linear-gradient(120deg, #e0e0e0 0%, #b0b0b0 40%, #f8f8f8 100%);
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-color);
    opacity: 0.9;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.social-links a {
    text-decoration: none;
    color: #7b50fd;
    background: rgba(198, 194, 255, 0.69) !important;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    margin: 0 0.2em;
    transition: background 0.3s, color 0.3s, transform 0.2s;
    box-sizing: border-box;
    padding: 0;
}

.social-links a:hover {
    filter: brightness(1.1) saturate(1.2);
    transform: scale(1.15);
    color: #6a4cff;
    background: rgba(198, 194, 255, 0.69) !important;
}

.social-links a[aria-label*="Facebook"] {
    background: #1877f3;
}
.social-links a[aria-label*="Instagram"] {
    background: radial-gradient(circle at 30% 110%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
}
.social-links a[aria-label*="YouTube"] {
    background: #ff0000;
}
.social-links a[aria-label*="Google Scholar"] {
    background: #4285f4;
}
.social-links a[aria-label*="LinkedIn"] {
    background: #0077b5;
}
.social-links a[aria-label*="ResearchGate"] {
    background: #00d0af;
}
.social-links a[aria-label*="Orcid"],
.social-links a[aria-label*="ORCID"] {
    background: #a6ce39;
}

.cta-button, .scholar-btn {
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    border-radius: 2em;
    padding: 0.8em 2em;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 12px rgba(106,76,255,0.08);
    transition: background 0.4s, box-shadow 0.3s, transform 0.2s;
    text-decoration: none;
    letter-spacing: 0.01em;
    display: inline-flex;
    align-items: center;
    gap: 0.7em;
}

.cta-button:hover, .scholar-btn:hover {
    background: linear-gradient(90deg, #a259f7 0%, #6a4cff 100%);
    color: #fff;
    box-shadow: 0 6px 24px rgba(106,76,255,0.13);
    transform: scale(1.04);
}

.profile-placeholder {
    background: var(--primary-color-light);
    color: #fff;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3em;
    margin: 0 auto;
    box-shadow: 0 2px 8px rgba(0,128,128,0.08);
}

.bio {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.bio h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

footer {
    background: var(--nav-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: var(--glass-border);
    box-shadow: var(--glass-shadow);
    color: var(--text-color);
    padding: 2.2em 0 1.5em 0;
    margin-top: 3em;
    position: relative;
    overflow: visible;
}
footer::before {
    content: '';
    position: absolute;
    left: 0; right: 0; top: 0; bottom: 0;
    pointer-events: none;
    background: var(--metallic-gradient);
    opacity: 0.18;
    z-index: 0;
}
.footer-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

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

.stats-grid .stat-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 1.5rem;
    padding: 2rem 2.5rem;
    text-align: center;
    min-width: 180px;
    transition: box-shadow 0.3s, transform 0.2s;
}
.stats-grid .stat-card:hover {
    box-shadow: 0 6px 24px rgba(0,128,128,0.10);
    transform: scale(1.03);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: rgb(233, 228, 238);
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

.paper-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    border-left: 5px solid var(--primary-color);
    transition: box-shadow 0.3s, border-color 0.3s, transform 0.2s;
}
.paper-card:hover {
    box-shadow: 0 6px 24px rgba(0,128,128,0.10);
    border-color: var(--primary-color-dark);
    transform: scale(1.02);
}
.paper-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.2rem;
}
.paper-citations {
    display: inline-block;
    background: #e0f2f1;
    color: #008080;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 1em;
    padding: 0.3em 1.1em;
    margin-top: 0.2em;
    margin-bottom: 0.2em;
    box-shadow: 0 1px 4px rgba(0,128,128,0.07);
    letter-spacing: 0.01em;
    transition: background 0.3s, color 0.3s;
}
.paper-citations:hover {
    background: var(--primary-color-dark);
    color: #fff;
}

/* Hamburger styles */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-color);
    cursor: pointer;
    z-index: 1001;
    margin-left: 1rem;
}

@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 1.5rem;
        padding: 0 1rem;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.2rem;
    }
    .navbar {
        padding: 1.2rem 0 1.2rem 0;
        min-height: 60px;
    }
    .hero, .bio, .stats-grid .stat-card, .paper-card {
        border-radius: 1rem;
        padding: 1.2rem !important;
    }
    .scholar-btn { font-size: 1rem; padding: 0.7rem 1.2rem; }
}

@media (max-width: 900px) {
    .hero {
        margin-top: 1.2rem;
        max-width: 100vw;
        border-radius: 1.2rem;
        padding-left: 0;
        padding-right: 0;
    }
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2.2rem;
        text-align: center;
        min-height: 320px;
        padding: 2rem 0.5rem;
    }
    .hero-image {
        margin-top: 1.5rem;
    }
    .profile-img {
        width: 140px;
        height: 140px;
    }
    .blob {
        width: 90%;
        min-width: 120px;
        max-width: 350px;
    }
    .highlight-buttons {
        flex-direction: column;
        gap: 0.7rem;
        max-width: 98vw;
        padding: 0 0.5rem;
    }
    .highlight-btn {
        min-width: 0;
        width: 100%;
        font-size: 1rem;
        padding: 0.8em 1.2em;
    }
    .bio {
        padding: 2rem 0.7rem;
    }
    .social-links {
        justify-content: center;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    .social-links a {
        margin: 0.2em 0.2em;
    }
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    .nav-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        position: relative;
    }
    .nav-brand {
        flex-shrink: 0;
    }
    .nav-toggle {
        display: block;
        margin-left: auto;
        order: 2;
        z-index: 1100;
    }
    .nav-links {
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        width: 100vw;
        margin: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0 2rem;
        max-height: 0;
        overflow: hidden;
        visibility: hidden;
        pointer-events: none;
        transition: max-height 0.4s cubic-bezier(.4,2,.6,1), padding 0.3s, visibility 0.3s;
        background: rgb(255, 255, 255); /* More visible glass */
        box-shadow: var(--glass-shadow);
        border-bottom-left-radius: 1.2rem;
        border-bottom-right-radius: 1.2rem;
        border: 1.5px solid rgba(120, 120, 180, 0);
        z-index: 1001;
        display: flex;
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
    }
    .nav-links.open {
        max-height: 400px;
        padding: 1.2rem 2rem 1.5rem 2rem;
        visibility: visible;
        pointer-events: auto;
    }
    .nav-links a {
        width: 100%;
        margin: 0.5rem 0;
        text-align: left;
    }
    .nav-links a:hover,
    .nav-links a.active {
        background: rgba(119, 26, 219, 0.26);
        box-shadow: 0 2px 12px rgba(106, 76, 255, 0.67);
        border: 1.5px solid var(--primary-color-light);
        transform: scale(1.09);
    }
    .nav-links a:hover {
        background: rgba(119, 26, 219, 0.26);
        box-shadow: 0 2px 12px rgba(106, 76, 255, 0.67);
        border: 1.5px solid var(--primary-color-light);
        transform: scale(1.09);
    }
    .nav-links a.active {
        background: rgba(119, 26, 219, 0.26);
        box-shadow: 0 2px 12px rgba(106, 76, 255, 0.67);
        border: 1.5px solid var(--primary-color-light);
        transform: scale(1.09);
    }
    .stats-grid {
        flex-direction: column !important;
        gap: 1rem;
        padding: 0 0.5rem;
    }
    .stat-card {
        min-width: 0 !important;
        width: 100% !important;
        padding: 1.2rem !important;
        margin: 0.5rem 0 !important;
    }
    .papers-section {
        padding: 0 0.5rem !important;
    }
    .paper-card {
        padding: 1.2rem !important;
        margin: 1rem 0 !important;
        width: 100% !important;
        box-sizing: border-box;
    }
    .sort-buttons-container, .sort-buttons {
        flex-direction: row !important;
        flex-wrap: wrap;
        width: 100% !important;
        gap: 0.5rem !important;
        margin-top: 1rem !important;
        align-items: center !important;
        justify-content: flex-start !important;
    }
    .sort-btn {
        width: auto !important;
        min-width: 120px;
        padding: 0.7em 1.2em !important;
        text-align: center !important;
        margin: 0.25rem 0 !important;
        font-size: 1.1em !important;
    }
    .papers-section h2 {
        font-size: 1.5rem !important;
        margin-bottom: 0.5rem !important;
    }
    .cv-layout {
        flex-direction: column;
        gap: 1.2rem;
        padding: 1.2rem 0.3rem;
        max-width: 100vw;
    }
    .cv-sidebar {
        position: static;
        width: 100%;
        max-width: 100vw;
        min-width: 0;
        margin-bottom: 1.2rem;
        padding: 0;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 0;
        background: transparent;
        box-shadow: none;
        border-radius: 0;
        overflow-x: auto;
        border-left: none;
    }
    .cv-sidebar ul {
        display: flex;
        flex-direction: row;
        gap: 0.2rem;
        width: 100%;
        justify-content: center;
    }
    .cv-sidebar li {
        margin-bottom: 0;
        width: auto;
    }
    .cv-sidebar a {
        font-size: 1rem;
        padding: 0.7em 1.1em;
        border-left: 3.5px solid transparent;
        border-radius: 0;
        background: none;
    }
    .cv-sidebar a::after {
        display: none;
    }
    .cv-container {
        max-width: 100vw;
        padding: 0.7rem 0.5rem;
    }
    .cv-header-card {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 1.2rem !important;
        padding: 1.2rem 0.7rem !important;
    }
    .cv-header-card h1 {
        font-size: 1.5rem !important;
    }
    .profile-img {
        width: 90px !important;
        height: 90px !important;
    }
    .cv-section h2 {
        font-size: 1.1rem !important;
        margin-bottom: 0.7rem !important;
        padding-bottom: 0.2rem !important;
    }
    .cv-section h3 {
        font-size: 1rem !important;
    }
    .cv-section, .cv-item, .skill-category {
        font-size: 0.98rem !important;
        padding: 0.7rem 0.2rem !important;
    }
    #download-cv-float {
        bottom: 1.1rem !important;
        right: 1.1rem !important;
        font-size: 1rem !important;
        padding: 0.7rem 1.2rem !important;
    }
}
@media (max-width: 600px) {
    .cv-header-card {
        padding: 0.7rem 0.2rem !important;
    }
    .cv-header-card h1 {
        font-size: 1.1rem !important;
    }
    .profile-img {
        width: 60px !important;
        height: 60px !important;
    }
    .cv-section h2 {
        font-size: 0.98rem !important;
    }
    .cv-section h3 {
        font-size: 0.93rem !important;
    }
    .cv-section, .cv-item, .skill-category {
        font-size: 0.93rem !important;
        padding: 0.3rem 0.1rem !important;
    }
    .cv-sidebar {
        display: none !important;
    }
    .cv-container {
        padding: 0.2rem 0.1rem !important;
    }
    #download-cv-float {
        bottom: 0.7rem !important;
        right: 0.7rem !important;
        font-size: 0.93rem !important;
        padding: 0.5rem 0.8rem !important;
    }
}

.highlight-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    justify-content: center;
    margin: 2.5rem auto 2.5rem auto;
    max-width: 900px;
}
.highlight-btn {
    border: 2.5px solid rgb(232 213 251 / 0%);
    background: #c0ebfd75;
    color: rgb(30 96 123);
    border-radius: 2em;
    font-size: 1.15rem;
    font-weight: 700;
    padding: 1.1em 2.2em;
    margin: 0;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(60,60,120,0.06);
    transition: background 0.2s, color 0.2s, box-shadow 0.2s, border-color 0.2s;
    outline: none;
    letter-spacing: 0.01em;
    min-width: 200px;
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.highlight-btn:hover, .highlight-btn:focus {
    background: rgba(185, 223, 248, 0.68);
    color: #054b4b;
        box-shadow: 0 4px 18px rgba(60,60,120,0.13);
}
@media (max-width: 600px) {
    .highlight-buttons {
        gap: 0.7rem;
    }
    .highlight-btn {
        min-width: 120px;
        font-size: 1rem;
        padding: 0.8em 1.2em;
    }
}

.research-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    justify-content: center;
    margin: 2.2rem auto 1.2rem auto;
    max-width: 1100px;
}
.research-stat-card {
    background: var(--card-bg);
    border-radius: 1.2em;
    box-shadow: 0 2px 12px rgba(60,60,120,0.07);
    padding: 1.2em 2.2em;
    min-width: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: 'Lexend', sans-serif;
}
.research-stat-card .stat-label {
    font-size: 1.05em;
    color: var(--text-color);
    opacity: 0.85;
    margin-bottom: 0.3em;
    font-weight: 500;
}
.research-stat-card .stat-value {
    font-size: 2.1em;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.01em;
}
@media (max-width: 900px) {
    .research-stats {
        flex-direction: column;
        gap: 0.7rem;
        padding: 0 0.5rem;
        max-width: 100vw;
    }
    .research-stat-card {
        min-width: 0;
        width: 100%;
        padding: 0.8em 1em;
        box-sizing: border-box;
    }
    .research-stat-card .stat-value {
        font-size: 1.3em;
    }
    .stats-grid {
        flex-direction: column !important;
        gap: 1rem;
        padding: 0 0.5rem;
    }
    .stat-card {
        min-width: 0 !important;
        width: 100% !important;
        padding: 1.2rem !important;
        margin: 0.5rem 0 !important;
        box-sizing: border-box;
    }
    .papers-section {
        padding: 0 0.5rem !important;
        max-width: 100vw;
    }
    .paper-card {
        padding: 1.2rem !important;
        margin: 1rem 0 !important;
        width: 100% !important;
        box-sizing: border-box;
    }
    .sort-buttons-container, .sort-buttons {
        flex-direction: row !important;
        flex-wrap: wrap;
        width: 100% !important;
        gap: 0.5rem !important;
        margin-top: 1rem !important;
        align-items: center !important;
        justify-content: flex-start !important;
    }
    .sort-btn {
        width: auto !important;
        min-width: 120px;
        padding: 0.7em 1.2em !important;
        text-align: center !important;
        margin: 0.25rem 0 !important;
        font-size: 1.1em !important;
    }
    .papers-section h2 {
        font-size: 1.5rem !important;
        margin-bottom: 0.5rem !important;
    }
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    .navbar .nav-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        position: relative;
    }
    .nav-toggle {
        display: block;
        margin-left: auto;
        order: 2;
        z-index: 1100;
    }
    .nav-links {
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        width: 100vw;
        margin: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0 2rem;
        max-height: 0;
        overflow: hidden;
        visibility: hidden;
        pointer-events: none;
        transition: max-height 0.4s cubic-bezier(.4,2,.6,1), padding 0.3s, visibility 0.3s;
        background: rgb(255, 255, 255);
        box-shadow: var(--glass-shadow);
        border-bottom-left-radius: 1.2rem;
        border-bottom-right-radius: 1.2rem;
        z-index: 1001;
        display: flex;
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
    }
    .nav-links.open {
        max-height: 400px;
        padding: 1.2rem 2rem 1.5rem 2rem;
        visibility: visible;
        pointer-events: auto;
    }
    .nav-links a {
        width: 100%;
        margin: 0.5rem 0;
        text-align: left;
    }
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 2.5rem auto 2.5rem auto;
    padding: 0 1rem;
}
.about-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2.2rem 1.2rem 1.7rem 1.2rem;
    text-decoration: none;
    color: var(--text-color);
    transition: box-shadow 0.25s, transform 0.18s, border-color 0.18s;
    position: relative;
    cursor: pointer;
}
.about-card:hover {
    box-shadow: 0 8px 32px rgba(106,76,255,0.13);
    border-color: var(--primary-color);
    transform: translateY(-6px) scale(1.03);
    color: var(--primary-color-dark);
}
.about-card-icon {
    font-size: 2.6rem;
    margin-bottom: 1.1rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}
.about-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    letter-spacing: 0.01em;
}
.about-card-desc {
    font-size: 1.05rem;
    opacity: 0.92;
    margin-bottom: 0.2rem;
}
@media (max-width: 700px) {
    .about-cards {
        grid-template-columns: 1fr;
        gap: 1.2rem;
        padding: 0 0.5rem;
    }
    .about-card {
        padding: 1.3rem 0.7rem 1.1rem 0.7rem;
    }
    .about-card-icon {
        font-size: 2rem;
    }
}

html {
    scroll-behavior: smooth;
}
.cv-layout {
    display: flex;
    align-items: flex-start;
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}
.cv-sidebar {
    min-width: 180px;
    max-width: 220px;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    position: sticky;
    top: 6.5rem;
    height: fit-content;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}
.cv-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
}
.cv-sidebar li {
    margin-bottom: 0.2rem;
    width: 100%;
}
.cv-sidebar a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.08rem;
    letter-spacing: 0.01em;
    border-radius: 0;
    padding: 0.7em 1.2em 0.7em 1.1em;
    display: flex;
    align-items: center;
    width: 100%;
    border-left: 3.5px solid transparent;
    background: none;
    position: relative;
    transition: background 0.18s, color 0.18s, border-color 0.18s;
}
.cv-sidebar a::after {
    content: '\f054'; /* Font Awesome chevron-right */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.95em;
    color: var(--primary-color);
    opacity: 0;
    margin-left: auto;
    transition: opacity 0.18s, color 0.18s;
}
.cv-sidebar a:hover, .cv-sidebar a.active {
    background: rgba(106,76,255,0.06);
    color: var(--primary-color-dark);
    border-left: 3.5px solid var(--primary-color);
}
.cv-sidebar a:hover::after, .cv-sidebar a.active::after {
    opacity: 1;
    color: var(--primary-color-dark);
}
.cv-container {
    flex: 1 1 0;
    min-width: 0;
    max-width: 800px;
    margin: 0 auto;
    padding: 0;
}
.cv-header-card {
    background: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: none;
    border: none;
    margin-bottom: 2.5rem;
    padding: 0;
}
.cv-header-card h1 {
    font-size: 2.3rem;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.2em;
}
.cv-section h2 {
    color: var(--primary-color);
    font-family: 'Inter', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    letter-spacing: 0.01em;
}
.cv-section h3 {
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    font-size: 1.13rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.cv-section, .cv-item, .skill-category {
    color: inherit;
}
.cv-section ul, .cv-section p, .cv-section li {
    color: inherit;
    font-size: 1.05rem;
}
.cv-section ul {
    margin-bottom: 0.7rem;
}
.cv-section li {
    margin-bottom: 0.3rem;
}
.cv-section li:last-child {
    margin-bottom: 0;
}
@media print {
    body {
        background: #fff !important;
        color: #111 !important;
    }
    .navbar, .footer-content, #download-cv-float {
        display: none !important;
    }
}