style.css

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

:root {
    /* Neon Colors */
    --neon-cyan: #00f3ff;
    --neon-pink: #ff00ff;
    --neon-purple: #bc13fe;
    --neon-lime: #00ff00;
    --neon-orange: #ff8800;
    
    /* Background */
    --bg-dark: #0a0a0a;
    --bg-card: #111111;
    --bg-card-hover: #1a1a1a;
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Neon Text Effects ===== */
.neon-text {
    color: var(--neon-cyan);
    text-shadow:
        0 0 5px var(--neon-cyan),
        0 0 10px var(--neon-cyan);
    animation: neon-pulse 2s ease-in-out infinite alternate;
}

.neon-text-pink {
    color: var(--neon-pink);
    text-shadow:
        0 0 5px var(--neon-pink),
        0 0 10px var(--neon-pink),
        0 0 20px var(--neon-pink);
}

.neon-text-cyan {
    color: var(--neon-cyan);
    text-shadow:
        0 0 5px var(--neon-cyan),
        0 0 10px var(--neon-cyan),
        0 0 20px var(--neon-cyan);
}

.neon-text-purple {
    color: var(--neon-purple);
    text-shadow:
        0 0 5px var(--neon-purple),
        0 0 10px var(--neon-purple),
        0 0 20px var(--neon-purple);
}

.neon-text-lime {
    color: #00FF7F;
    text-shadow: 0 0 10px #00FF7F;
}

@keyframes neon-pulse {
    from {
        text-shadow:
            0 0 5px var(--neon-cyan),
            0 0 10px var(--neon-cyan);
    }
    to {
        text-shadow:
            0 0 5px var(--neon-cyan),
            0 0 10px var(--neon-cyan);
    }
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    max-width: 90%;
    background: rgba(20, 20, 20, 0.4);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1000;
    padding: 12px 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.nav-logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--neon-cyan);
    text-decoration: none;
    text-shadow: 0 0 5px var(--neon-cyan);
    transition: all 0.3s ease;
}

.nav-logo:hover {
    text-shadow: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--neon-cyan);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-cyan);
    box-shadow: 0 0 5px var(--neon-cyan);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 30px;
    position: relative;
}

.bar {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--neon-cyan);
    box-shadow: 0 0 5px var(--neon-cyan);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Bento grid layout - 2x2 */
.bar:nth-child(1) { top: 3px; left: 3px; }
.bar:nth-child(2) { top: 3px; right: 3px; }
.bar:nth-child(3) { bottom: 3px; left: 3px; }
.bar:nth-child(4) { bottom: 3px; right: 3px; }

/* Active state - morph to dot */
.hamburger.active .bar {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 150px 20px;
}

.hero-content {
    text-align: center;
    z-index: 2;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.subtitle {
    font-size: 1.5rem;
    font-family: 'Space Mono', monospace;
    color: #FF9933;
    margin-bottom: 20px;
    font-weight: 400;
}

.hero-description {
    font-size: 1.2rem;
    font-family: 'Space Mono', monospace;
    font-style: italic;
    color: #A3CF3E;
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Opportunity Note - Subtle, elegant, smoke fade */
.opportunity-note {
    font-family: 'Rajdhani', sans-serif;
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 20px;
    opacity: 1;
    transform: translateY(0);
    filter: blur(0px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out, filter 0.8s ease-out;
}

.opportunity-note.smoke-fade {
    opacity: 0;
    transform: translateY(-15px);
    filter: blur(3px);
}

/* ===== Buttons ===== */
.btn {
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: var(--bg-dark);
    box-shadow: 0 0 5px rgba(0, 243, 255, 0.3);
    border-radius: 25px;
}

.btn-primary:hover {
    box-shadow: 0 0 5px rgba(0, 243, 255, 0.4), 0 0 30px rgba(188, 19, 254, 0.3);
    transform: translateY(-3px);
    border-radius: 25px;
}

.btn-secondary {
    background: transparent;
    color: var(--neon-cyan);
    border: 2px solid var(--neon-cyan);
    box-shadow: 0 0 5px rgba(0, 243, 255, 0.2);
    border-radius: 25px;
}

.btn-secondary:hover {
    background: rgba(0, 243, 255, 0.1);
    box-shadow: 0 0 5px rgba(0, 243, 255, 0.3);
    border-radius: 25px;
}

.btn-outline {
    background: transparent;
    color: var(--neon-cyan);
    border: 2px solid var(--neon-cyan);
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 25px;
}

.btn-outline:hover {
    background: var(--neon-cyan);
    color: var(--bg-dark);
    box-shadow: 0 0 5px var(--neon-cyan);
    border-radius: 25px;
}

/* CV Buttons - Radium Green Style */
.btn-cv {
    background: transparent;
    color: var(--neon-lime);
    border: 2px solid var(--neon-lime);
    box-shadow: 0 0 5px rgba(0, 255, 0, 0.2);
}

.btn-cv:hover {
    background: rgba(0, 255, 0, 0.1);
    box-shadow: 0 0 5px rgba(0, 255, 0, 0.3);
    transform: translateY(-3px);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== Section Titles ===== */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
    transition: width 0.6s ease, left 0.6s ease;
}

.section-title.title-revealed::after {
    width: 100px;
    left: calc(50% - 50px);
}

/* ===== About Section ===== */
.about {
    padding: 150px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(17, 17, 17, 0.8) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--bg-card);
    border-radius: 15px;
    border: 1px solid rgba(255, 0, 255, 0.3);
    box-shadow: 0 0 5px rgba(255, 0, 255, 0.3);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 8px rgba(255, 0, 255, 0.5);
    border-color: var(--neon-pink);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    font-style: italic;
    margin-bottom: 10px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Skills Section ===== */
.skills {
    padding: 150px 0;
}

.skills-carousel-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 20px 0;
    margin-bottom: 40px;
}

.carousel-fade-left, .carousel-fade-right {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 150px;
    z-index: 2;
    pointer-events: none;
}

.carousel-fade-left {
    left: 0;
    background: linear-gradient(90deg, var(--bg-dark) 0%, transparent 100%);
}

.carousel-fade-right {
    right: 0;
    background: linear-gradient(270deg, var(--bg-dark) 0%, transparent 100%);
}

.skills-carousel-track {
    display: flex;
    gap: 20px;
    animation: scroll-left 30s linear infinite;
    width: max-content;
}

.skills-carousel-track.paused {
    animation-play-state: paused;
}

@keyframes scroll-left {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.skill-carousel-card {
    flex-shrink: 0;
    width: 320px;
    min-height: 320px;
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid rgba(0, 243, 255, 0.15);
    box-shadow: 0 0 5px rgba(0, 243, 255, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.skills-carousel-track.paused .skill-carousel-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 243, 255, 0.2);
}

.skill-carousel-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.skill-carousel-icon {
    color: var(--neon-cyan);
    font-size: 1.2rem;
}

.skill-carousel-title {
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
}

.tech-icons-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: auto;
    margin-bottom: auto;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-card {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(0, 243, 255, 0.2);
    box-shadow: 0 0 5px rgba(0, 243, 255, 0.08);
    transition: all 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 5px rgba(0, 243, 255, 0.2);
    border-color: var(--neon-cyan);
}

.skill-card h3 {
    color: var(--neon-cyan);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.skill-card ul {
    list-style: none;
}

.skill-card li {
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.skill-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--neon-cyan);
}

/* ===== Projects Section ===== */
.projects {
    padding: 150px 0;
    background: linear-gradient(180deg, rgba(17, 17, 17, 0.8) 0%, var(--bg-dark) 100%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.project-card {
    position: relative;
    background: var(--bg-card);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(188, 19, 254, 0.2);
    box-shadow: 0 0 5px rgba(188, 19, 254, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 5px rgba(188, 19, 254, 0.2);
    border-color: var(--neon-purple);
}

.project-card:has(.btn-outline:hover) .project-preview {
    opacity: 1;
}

.project-card:has(.btn-outline:hover) .project-preview img {
    transform: scale(1.1);
}

/* Project Preview - Only covers description area */
.project-preview-container {
    position: relative;
    min-height: 80px;
    margin-bottom: 20px;
}

.project-preview-container .project-description {
    position: relative;
    z-index: 1;
}

.project-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 8px;
    overflow: hidden;
    z-index: 2;
}

.project-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    background: var(--bg-dark);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.project-header h3 {
    color: var(--neon-purple);
    font-size: 1.3rem;
}

.project-tag {
    background: rgba(188, 19, 254, 0.2);
    color: var(--neon-purple);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    /* Hidden by default - slide in from right on hover */
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.4s ease-out;
    display: inline-block;
    white-space: nowrap;
}

/* Show and slide in on hover/focus */
.project-card:hover .project-tag,
.project-card:focus-within .project-tag {
    opacity: 1;
    transform: translateX(0);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.github-link {
    text-align: center;
}

/* ===== Publications Section ===== */
.publications {
    padding: 150px 0;
}

.publication-card {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 40px;
    border: 1px solid rgba(0, 255, 0, 0.2);
    box-shadow: 0 0 5px rgba(0, 255, 0, 0.08);
    max-width: 800px;
    margin: 0 auto;
    transition: all 0.3s ease;
}

.publication-card:hover {
    box-shadow: 0 0 5px rgba(0, 255, 0, 0.2);
    border-color: var(--neon-lime);
}

.publication-card h3 {
    color: var(--neon-lime);
    font-size: 1.4rem;
    margin-bottom: 15px;
    text-shadow: 0 0 5px var(--neon-lime);
}

.publication-publisher {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.publication-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* ===== Contact Section ===== */
.contact {
    padding: 50px 0 150px;
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(17, 17, 17, 0.9) 100%);
}

.contact-content {
    display: flex;
    justify-content: center;
    width: 100%;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 0, 255, 0.2);
    box-shadow: 0 0 5px rgba(255, 0, 255, 0.08);
    transition: all 0.3s ease;
}

.contact-item:hover {
    box-shadow: 0 0 5px rgba(255, 0, 255, 0.2);
    border-color: var(--neon-pink);
}

.contact-label {
    display: block;
    color: var(--neon-pink);
    font-size: 0.9rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-value {
    color: var(--text-primary);
    font-size: 1.1rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-value:hover {
    color: var(--neon-cyan);
}

.social-links {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    width: 100%;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    text-align: center;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.85rem;
    line-height: 1;
    height: fit-content;
    transition: all 0.3s ease;
    position: relative;
}

.social-link.github {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid #ffffff;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.15);
}

.social-link.github:hover {
    background: transparent;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.4);
}

.social-link.gmail {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid #EA4335;
    box-shadow: 0 0 8px rgba(234, 67, 53, 0.15);
    padding: 6px 10px;
    gap: 6px;
}

.social-link.gmail:hover {
    background: #EA4335;
    box-shadow: 0 0 5px rgba(234, 67, 53, 0.4);
    color: #fff;
}

.social-link.linkedin {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid #0077b5;
    box-shadow: 0 0 5px rgba(0, 119, 181, 0.2);
}

.social-link.linkedin:hover {
    background: #0077b5;
    box-shadow: 0 0 5px rgba(0, 119, 181, 0.3);
}

.social-link.orcid {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid #a6ce39;
    box-shadow: 0 0 8px rgba(166, 206, 57, 0.15);
}

.social-link.orcid:hover {
    background: #a6ce39;
    box-shadow: 0 0 5px rgba(166, 206, 57, 0.4);
}

.social-link.orcid:hover span {
    color: #000;
}

/* ===== Arratai Split Button ===== */
.arratai-split-btn {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease-in-out;
    height: fit-content;
    border-radius: 6px;
    overflow: visible;
    position: relative;
}

/* Arratai Button - PC Mode (Combined to match other social links) */
.arratai-split-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 10px;
    background: var(--bg-card);
    border: 2px solid #EDC934;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease-in-out;
    width: fit-content;
    height: auto;
    line-height: 1;
}

.arratai-icon-segment {
    display: flex;
    align-items: center;
    justify-content: center;
}

.arratai-icon-inner img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    /* PC Mode: Grayscale + brightness to make it white-ish */
    filter: grayscale(100%) brightness(150%);
    transition: none;
}

.arratai-split-btn span {
    font-size: 0.85rem;
    line-height: 1;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

/* PC Hover */
.arratai-split-btn:hover {
    background: #FFD71B;
    box-shadow: 0 0 5px rgba(237, 201, 52, 0.3);
}

.arratai-split-btn:hover span {
    color: #000;
}

/* PNG becomes normal on hover in PC mode */
.arratai-split-btn:hover .arratai-icon-inner img {
    filter: none;
}

/* Arratai hover text show/hide */
.arratai-split-btn .arratai-hover {
    display: none;
}

.arratai-split-btn:hover .arratai-default {
    display: none;
}

.arratai-split-btn:hover .arratai-hover {
    display: inline;
}

/* Mobile Mode - Restored to original split look without inversion hacks */
@media (max-width: 768px) {
    .arratai-split-btn {
        border: none;
        background: transparent;
        padding: 0;
        gap: 0;
    }

    .arratai-icon-segment {
        background: transparent;
        border: 2px solid #EDC934;
        border-radius: 6px;
        width: 40px;
        height: 40px;
        transition: background 0.3s ease;
    }
    
    .arratai-icon-inner {
        background: transparent;
    }
    
    .arratai-icon-inner img {
        width: 28px;
        height: 28px;
        background: transparent;
        filter: none !important;
        mix-blend-mode: normal !important;
    }

    /* Mobile Hover: Just fill with yellow, no white, no inversion */
    .arratai-split-btn:hover .arratai-icon-segment {
        background: #FFD71B;
        box-shadow: 0 0 5px rgba(237, 201, 52, 0.3);
    }

    .arratai-split-btn .arratai-default,
    .arratai-split-btn .arratai-hover {
        display: none;
    }
}

/* Social Link Icons */
.social-link svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.social-link.github,
.social-link.linkedin,
.social-link.orcid {
    padding: 5px 10px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: fit-content;
    height: fit-content;
}

.social-link span {
    font-size: 0.85rem;
    line-height: 1;
}

/* Smooth hover transitions */
.social-link .hover-text,
.social-link .default-text,
.arratai-split-btn .arratai-default,
.arratai-split-btn .arratai-hover {
    visibility: visible;
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}

.social-link .hover-text,
.arratai-split-btn .arratai-hover {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    white-space: nowrap;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
    transition: opacity 0.3s ease-in-out;
}

.social-link:hover .hover-text,
.social-link:hover .default-text,
.arratai-split-btn:hover .arratai-hover,
.arratai-split-btn:hover .arratai-default {
    visibility: visible;
    opacity: 1;
    position: static;
    transform: none;
}

.social-link:hover .default-text,
.arratai-split-btn:hover .arratai-default {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    transform: translateX(-50%);
    left: 50%;
}

/* ===== CV Download Section ===== */
.cv-download {
    padding: 150px 0;
    background: linear-gradient(180deg, rgba(17, 17, 17, 0.9) 0%, var(--bg-dark) 100%);
    text-align: center;
}

.cv-content {
    max-width: 600px;
    margin: 0 auto;
}

.cv-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.cv-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.cv-note {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.neon-text-orange {
    color: #ff8800;
    text-shadow: 0 0 5px #ff8800, 0 0 10px #ff8800, 0 0 20px #ff8800;
}

/* ===== Footer ===== */
.footer {
    padding: 40px 0 100px;
    text-align: center;
    border-top: 1px solid rgba(0, 243, 255, 0.2);
}

.footer p {
    color: var(--text-muted);
    margin-bottom: 10px;
}

.footer-tagline {
    font-size: 0.9rem;
}

.neon-heart {
    color: var(--neon-pink);
    text-shadow: 0 0 5px var(--neon-pink);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    body {
        overflow-x: hidden;
        max-width: 100vw;
    }

    .hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

        .about-stats {
            grid-template-columns: 1fr;
            max-width: 350px;
            margin: 0 auto;
        }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .social-links {
        flex-direction: row;
        justify-content: center;
    }

    /* Hide username when squeezed */
    .social-link span {
        display: none;
    }

    .social-link.github,
    .social-link.linkedin,
    .social-link.orcid {
        padding: 8px 10px;
    }

    /* Tablet Mode: Arratai button - same as mobile */
    .arratai-split-btn {
        border: none;
        background: transparent;
        padding: 0;
        gap: 0;
    }

    .arratai-icon-segment {
        background: transparent;
        border: 2px solid #EDC934;
        border-radius: 6px;
        width: 40px;
        height: 40px;
        transition: background 0.3s ease;
    }
    
    .arratai-icon-inner {
        background: transparent;
    }
    
    .arratai-icon-inner img {
        width: 28px;
        height: 28px;
        background: transparent;
        filter: none !important;
        mix-blend-mode: normal !important;
    }

    /* Tablet Hover: Just fill with yellow */
    .arratai-split-btn:hover .arratai-icon-segment {
        background: #FFD71B;
        box-shadow: 0 0 5px rgba(237, 201, 52, 0.3);
    }

    /* Hide Arratai text in tablet mode - always */
    .arratai-split-btn .arratai-default,
    .arratai-split-btn .arratai-hover {
        display: none !important;
    }
    
    /* Also prevent hover popup */
    .arratai-split-btn:hover .arratai-default,
    .arratai-split-btn:hover .arratai-hover {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
    }

    /* Mobile/Tablet: Transparent with colored border/icon - Gmail */
    .social-link.gmail {
        background: transparent;
        border-color: #EA4335;
        box-shadow: none;
        padding: 8px 10px;
    }

    .social-link.gmail svg {
        fill: #EA4335;
    }

    .social-link.gmail:hover {
        background: #EA4335;
        box-shadow: 0 0 5px rgba(234, 67, 53, 0.4);
    }

    .social-link.gmail:hover svg {
        fill: white;
    }

    /* Mobile/Tablet: Transparent with colored border/icon - LinkedIn */
    .social-link.linkedin {
        background: transparent;
        border-color: #0077B5;
        box-shadow: none;
        padding: 8px 10px;
    }

    .social-link.linkedin svg {
        fill: #0077B5;
    }

    .social-link.linkedin:hover {
        background: #0077B5;
        box-shadow: 0 0 5px rgba(0, 119, 181, 0.4);
    }

    .social-link.linkedin:hover svg {
        fill: white;
    }

    /* Mobile/Tablet: Transparent with colored border/icon - ORCID */
    .social-link.orcid {
        background: transparent;
        border-color: #a6ce39;
        box-shadow: none;
        padding: 8px 10px;
    }

    .social-link.orcid svg {
        fill: #a6ce39;
    }

    .social-link.orcid:hover {
        background: #a6ce39;
        box-shadow: 0 0 5px rgba(166, 206, 57, 0.4);
    }

    .social-link.orcid:hover svg {
        fill: white;
    }

    @media (max-width: 768px) {
        .hero h1 {
            font-size: 2.5rem;
        }

        .subtitle {
            font-size: 1.2rem;
        }

        .section-title {
            font-size: 2rem;
        }

        .skills-grid {
            grid-template-columns: 1fr;
        }

        .projects-grid {
            grid-template-columns: 1fr;
        }

        .about-stats {
            grid-template-columns: 1fr;
            max-width: 350px;
            margin: 0 auto;
        }

        /* Social icons - hide username when squeezed (tablet/mobile), square-ish */
        .social-link span {
            display: none;
        }

        .social-link.github,
        .social-link.linkedin,
        .social-link.orcid,
        .social-link.gmail {
            padding: 8px 10px;
        }

        .social-links {
            flex-direction: row;
        }
        
        /* Hide Arratai text on mobile */
        .arratai-split-btn .arratai-default,
        .arratai-split-btn .arratai-hover {
            display: none;
        }
        
        .arratai-icon-segment {
            border-radius: 6px;
            width: 40px;
            height: 40px;
        }
        
        /* Hide hover text on mobile */
        .social-link .hover-text {
            display: none;
        }
        
        /* Hide Arratai hover text on mobile */
        .arratai-split-btn .arratai-hover {
            display: none !important;
        }
        
        /* On hover, ensure all corners are rounded */
        .arratai-split-btn:hover .arratai-icon-segment {
            border-radius: 6px;
        }
    }
    
    /* Tablet specific: hide Arratai text */
    .arratai-split-btn .arratai-default,
    .arratai-split-btn .arratai-hover {
        display: none;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cv-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cv-description {
        font-size: 1rem;
        padding: 0 20px;
    }
}

/* ===== Skill Progress Bars ===== */
.skill-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 10px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.3);
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    border-radius: 4px;
    box-shadow: 0 0 5px var(--neon-cyan);
    transform-origin: left;
    animation: skill-fill 1.5s ease-out forwards;
}

@keyframes skill-fill {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

/* Different skill levels */
.skill-90 { width: 90%; }
.skill-85 { width: 85%; }
.skill-80 { width: 80%; }
.skill-75 { width: 75%; }

/* ===== Section Base Styles for Animations ===== */
section {
    will-change: opacity, transform;
}

/* ===== Scroll Animations ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Enhanced card hover effects */
.skill-card,
.project-card,
.contact-item,
.stat-item {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.skill-card:hover,
.project-card:hover {
    transform: translateY(-10px) scale(1.02);
}

/* Typing cursor for hero */
.subtitle {
    display: inline-block;
}

.subtitle {
    display: inline;
    position: relative;
}

.subtitle::after {
    content: '';
    display: inline-block;
    width: 0.6em;
    height: 0.15em;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.7);
    vertical-align: text-bottom;
    margin-left: 2px;
    opacity: 1;
}

.subtitle.typing-complete::after {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--neon-cyan);
    border-radius: 5px;
    box-shadow: 0 0 6px var(--neon-cyan);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-pink);
    box-shadow: 0 0 6px var(--neon-pink);
}

/* ===== Mobile/Tablet Navbar - Bottom Floating Pill ===== */
/* Tablet mode (481px - 1024px): Bottom floating pill with hamburger */
@media (max-width: 1024px) and (min-width: 481px) {
    .navbar {
        top: auto;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        padding: 10px 25px;
    }

    .nav-container {
        gap: 20px;
    }

    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
        padding: 8px;
    }

    .nav-logo {
        font-size: 24px;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        bottom: 100px;
        left: 50%;
        transform: translateX(-50%);
        width: 200px;
        gap: 8px;
        list-style: none;
        padding: 15px;
        margin: 0;
        z-index: 9999;
    }

    .nav-menu.active .nav-link {
        display: block;
        padding: 14px 28px;
        background-color: rgba(20, 20, 20, 0.85);
        backdrop-filter: blur(40px) saturate(180%);
        -webkit-backdrop-filter: blur(40px) saturate(180%);
        border-radius: 25px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        color: var(--neon-cyan);
        text-align: center;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.active .nav-link:hover {
        background-color: rgba(30, 30, 30, 0.9);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        transform: scale(1.05);
    }

    .nav-menu.active li:nth-child(1) .nav-link {
        animation-delay: 0s;
    }

    .nav-menu.active li:nth-child(2) .nav-link {
        animation-delay: 0.05s;
    }

    .nav-menu.active li:nth-child(3) .nav-link {
        animation-delay: 0.1s;
    }

    @keyframes bubblePop {
        0% {
            opacity: 0;
            transform: scale(0.5) translateY(-20px);
        }
        100% {
            opacity: 1;
            transform: scale(1) translateY(0);
        }
    }

    .nav-link::after {
        display: none;
    }
}

/* Phone mode (max 480px): Bubbles menu - POP UP ABOVE */
@media (max-width: 480px) {
    body {
        overflow-x: hidden;
        max-width: 100vw;
    }

    /* Move entire navbar to bottom center */
    .navbar {
        top: auto;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        padding: 8px 20px;
        border-radius: 30px;
    }

    .nav-container {
        gap: 15px;
    }

    /* Hide normal menu items */
    .nav-menu {
        display: none;
    }

    /* Show hamburger */
    .hamburger {
        display: flex;
        padding: 8px;
    }

    /* Logo stays visible */
    .nav-logo {
        font-size: 22px;
    }
}

/* Mobile Menu - Bubbles stacked ABOVE navbar */
@media (max-width: 480px) {
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        bottom: 100px;
        left: 50%;
        transform: translateX(-50%);
        gap: 8px;
        list-style: none;
        padding: 0;
        margin: 0;
        z-index: 9999;
    }

    .nav-menu.active .nav-link {
        display: block;
        padding: 12px 24px;
        background-color: rgba(20, 20, 20, 0.85);
        backdrop-filter: blur(40px) saturate(180%);
        -webkit-backdrop-filter: blur(40px) saturate(180%);
        border-radius: 25px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        color: var(--neon-cyan);
        text-align: center;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.active .nav-link:hover {
        background: linear-gradient(135deg, rgba(0,243,255,0.2) 0%, rgba(0,243,255,0.1) 50%, rgba(20, 20, 20, 0.4) 100%);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 5px rgba(0, 243, 255, 0.3);
        transform: scale(1.05);
    }

    /* Stagger animation for each menu item */
    .nav-menu.active li:nth-child(1) .nav-link {
        animation-delay: 0s;
    }

    .nav-menu.active li:nth-child(2) .nav-link {
        animation-delay: 0.05s;
    }

    .nav-menu.active li:nth-child(3) .nav-link {
        animation-delay: 0.1s;
    }

    /* Remove hover underline effect on mobile */
    .nav-link::after {
        display: none;
    }
}