/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Colors */
    --bg-darker: #060913;
    --bg-dark: #0a0f1d;
    --bg-card: rgba(15, 22, 39, 0.65);
    --border-glow: rgba(0, 242, 254, 0.15);
    --border-light: rgba(255, 255, 255, 0.06);
    
    /* Accents (Gradients) */
    --accent-cyan: #00f2fe;
    --accent-blue: #4facfe;
    --accent-purple: #7f00ff;
    --accent-pink: #e100ff;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-pink) 100%);
    --gradient-text: linear-gradient(90deg, #00f2fe 0%, #b388ff 50%, #e100ff 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 30px -10px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 20px -5px rgba(0, 242, 254, 0.35);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    height: -webkit-fill-available;
}

body {
    background-color: var(--bg-darker);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    min-height: -webkit-fill-available;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: var(--transition-fast);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-primary);
}

/* Interactive Neural Background Canvas */
#neuralCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: all;
    opacity: 0.6;
}

/* Base Typography links */
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* ==========================================================================
   GLASSMORPHIC CARDS & BUTTONS
   ========================================================================== */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px) saturate(120%);
    -webkit-backdrop-filter: blur(16px) saturate(120%);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(800px circle at var(--x, 0px) var(--y, 0px), rgba(255, 255, 255, 0.04), transparent 40%);
    pointer-events: none;
    z-index: 1;
}

.glass-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-normal);
    gap: 0.5rem;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #000;
    box-shadow: 0 4px 15px -3px rgba(0, 242, 254, 0.4);
}
.btn-primary:hover {
    box-shadow: 0 8px 25px -3px rgba(0, 242, 254, 0.6);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(5px);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

.btn-inline {
    background: transparent;
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 242, 254, 0.3);
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
    border-radius: 8px;
    margin-top: 1rem;
}
.btn-inline:hover {
    background: rgba(0, 242, 254, 0.1);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

/* ==========================================================================
   DESKTOP SIDEBAR NAVIGATION
   ========================================================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 320px;
    height: 100vh;
    background: rgba(8, 11, 20, 0.85);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 3rem 2rem;
    z-index: 10;
    transition: var(--transition-slow);
}

.sidebar-header {
    text-align: center;
    margin-bottom: 2rem;
}

.avatar-container {
    position: relative;
    width: 130px;
    height: 130px;
    margin: 0 auto 1.5rem auto;
}

.profile-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.05);
    position: relative;
    z-index: 2;
}

.avatar-ring {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    z-index: 1;
    animation: rotateRing 10s linear infinite;
    opacity: 0.8;
}

.nav-name {
    font-size: 1.6rem;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.nav-tagline {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

/* Nav Links */
.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin: 1.5rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    font-size: 1.05rem;
    color: var(--text-secondary);
    border: 1px solid transparent;
}

.nav-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    transition: var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(0, 242, 254, 0.08) 0%, transparent 100%);
    border-left: 3px solid var(--accent-cyan);
    color: var(--accent-cyan);
}

.nav-item:hover i {
    color: var(--accent-cyan);
    transform: scale(1.1);
}

.sidebar-footer {
    text-align: center;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    margin-bottom: 1.5rem;
}

.social-icons a {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.social-icons a:hover {
    color: var(--accent-cyan);
    transform: translateY(-3px);
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
}

.sidebar-footer .copyright {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================================================
   CONTENT WRAPPER & SECTIONS (LAYOUT)
   ========================================================================== */
.content-wrapper {
    margin-left: 320px;
    position: relative;
    z-index: 1;
    padding: 0 4rem;
}

section {
    min-height: 100vh;
    padding: 6rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-bottom: 1px solid var(--border-light);
}

section:last-of-type {
    border-bottom: none;
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin-top: 0.5rem;
    border-radius: 2px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 700px;
    margin-bottom: 3rem;
}

/* ==========================================================================
   SECTION 1: HERO
   ========================================================================== */
.hero-section {
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-greeting {
    font-family: 'Outfit', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.9rem;
    color: var(--accent-cyan);
    font-weight: 700;
    display: inline-block;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1rem;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    min-height: 2.7rem; /* Prevents layout shifting during typing */
}

.typewriter-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cursor {
    color: var(--accent-cyan);
    animation: blink 0.8s infinite;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
}

.hero-cta-group {
    display: flex;
    gap: 1.5rem;
}

/* Quick Info Card */
.quick-info-card {
    padding: 2.5rem 2rem;
}

.quick-info-card .card-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.2rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.info-value {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

.email-click {
    cursor: pointer;
    color: var(--accent-cyan);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.email-click:hover {
    color: var(--text-primary);
    text-shadow: 0 0 8px rgba(0, 242, 254, 0.4);
}

.scroll-down-indicator {
    position: absolute;
    bottom: 2rem;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

/* ==========================================================================
   SECTION 2: BIOGRAPHY & FOCUS
   ========================================================================== */
.bio-content-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    margin-top: 2rem;
}

.bio-main-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.bio-main-text p:last-child {
    margin-bottom: 0;
}

.text-link {
    color: var(--accent-cyan);
    border-bottom: 1px dashed rgba(0, 242, 254, 0.5);
}

.text-link:hover {
    color: var(--text-primary);
    border-bottom-color: var(--accent-cyan);
}

.panel-subtitle {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.contributions-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.contributions-list li {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}

.icon-box {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.contributions-list li:hover .icon-box {
    background: var(--gradient-primary);
    color: #000;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.contributions-list li strong {
    display: block;
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.contributions-list li span {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   SECTION 3: PUBLICATIONS
   ========================================================================== */
.publications-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.publication-card {
    padding: 2.5rem;
}

.pub-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
}

.pub-badge {
    padding: 0.3rem 0.9rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: 'Outfit', sans-serif;
}

.journal-badge {
    background: rgba(0, 242, 254, 0.08);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 242, 254, 0.2);
}

.date-badge {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

.pub-title {
    font-size: 1.45rem;
    margin-bottom: 0.8rem;
    line-height: 1.3;
    font-weight: 600;
    color: var(--text-primary);
}

.pub-authors {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 1rem;
}

.pub-summary {
    color: var(--text-secondary);
    font-size: 0.98rem;
    margin-bottom: 1.2rem;
}

/* ==========================================================================
   SECTION 4: PROJECTS
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-icon {
    font-size: 2rem;
    color: var(--accent-purple);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
}

.project-subtitle {
    color: var(--accent-cyan);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    line-height: 1.3;
}

.project-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1.2rem;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.8rem;
    flex-wrap: wrap;
}

.project-meta span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.project-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex-grow: 1;
}

/* ==========================================================================
   SECTION 5: SKILLS
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.skills-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.8rem;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.skill-tag:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-cyan);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.skill-tag.highlight {
    border-color: rgba(127, 0, 255, 0.3);
    background: rgba(127, 0, 255, 0.04);
}

.skill-tag.highlight:hover {
    border-color: var(--accent-pink);
    box-shadow: 0 0 10px rgba(225, 0, 255, 0.15);
}

/* ==========================================================================
   SECTION 6: CONTACT
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 3rem;
}

.contact-info-block {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 2rem;
    align-items: center;
}

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

.contact-icon-wrapper {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(0, 242, 254, 0.06);
    border: 1px solid rgba(0, 242, 254, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-cyan);
}

.contact-info-block h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.2rem;
}

.contact-info-block p {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.copy-trigger {
    cursor: pointer;
    color: var(--accent-cyan);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.copy-trigger:hover {
    color: var(--text-primary);
    text-shadow: 0 0 8px rgba(0, 242, 254, 0.5);
}

.extra-activities p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.social-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.social-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.social-pill:hover {
    color: var(--text-primary);
    border-color: var(--accent-cyan);
    background: rgba(0, 242, 254, 0.05);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
    transform: translateY(-2px);
}

/* ==========================================================================
   TOAST NOTIFICATION (COPY TO CLIPBOARD)
   ========================================================================== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: rgba(10, 15, 29, 0.9);
    border: 1px solid var(--accent-cyan);
    color: var(--text-primary);
    padding: 0.8rem 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-glow);
    z-index: 100;
    font-weight: 500;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition-normal);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* ==========================================================================
   ANIMATIONS & REVEAL STATES
   ========================================================================== */
@keyframes rotateRing {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes blink {
    50% { opacity: 0; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}

/* Scroll Reveal classes */
.reveal-element {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-element.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Hamburger mobile menu button */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(15, 22, 39, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    font-size: 1.25rem;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.mobile-toggle:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1200px) {
    .content-wrapper {
        padding: 0 2.5rem;
    }
    
    .hero-grid {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 2.5rem;
    }
    
    .hero-title {
        font-size: 3.2rem;
    }
    
    .bio-content-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 991px) {
    /* Translate sidebar to absolute mobile modal */
    .sidebar {
        transform: translateX(-100%);
        box-shadow: 0 0 40px rgba(0,0,0,0.8);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .content-wrapper {
        margin-left: 0;
        padding: 0 2rem;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
        margin-top: 4rem;
    }
    
    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta-group {
        justify-content: center;
    }
    
    .quick-info-card {
        max-width: 550px;
        margin: 0 auto;
        width: 100%;
        text-align: left;
    }
    
    .scroll-down-indicator {
        display: none;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .section-title {
        font-size: 2.3rem;
    }
}

@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .pub-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .publication-card {
        padding: 1.8rem;
    }
    
    .pub-title {
        font-size: 1.25rem;
    }
    
    .glass-card {
        padding: 1.8rem;
    }
}

@media (max-width: 480px) {
    .content-wrapper {
        padding: 0 1.25rem;
    }
    
    .hero-title {
        font-size: 2.3rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
        min-height: 4rem;
    }
    
    .hero-cta-group {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    .hero-cta-group .btn {
        width: 100%;
    }
    
    .social-pills {
        flex-direction: column;
    }
    
    .social-pill {
        width: 100%;
        justify-content: center;
    }
}