@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --bg-color: #fdfdfc;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --accent-primary: #e07a5f;
    --accent-secondary: #3d405b;
    --accent-muted: #f2cc8f;
    --glass-bg: rgba(253, 253, 252, 0.8);
    --card-bg: #ffffff;
    --border-color: rgba(0, 0, 0, 0.05);

    /* Typography */
    --font-main: 'Outfit', sans-serif;

    /* Spacing & Sizes */
    --container-width: 1100px;
    --header-height: 80px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode Theme */
body.dark-mode {
    --bg-color: #0f0f0f;
    --text-primary: #f5f5f5;
    --text-secondary: #a0a0a0;
    --accent-primary: #e07a5f;
    --accent-secondary: #81b3ff;
    --accent-muted: #f2cc8f;
    --glass-bg: rgba(15, 15, 15, 0.9);
    --card-bg: #1a1a1a;
    --border-color: rgba(255, 255, 255, 0.08);
}

/* ================================
   INFINITE GRID BACKGROUND
   ================================ */
.grid-background {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.grid-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.grid-subtle {
    color: var(--text-secondary);
    opacity: 0.05;
}

.grid-highlight {
    color: var(--accent-primary);
    opacity: 0.35;
    /* Flashlight mask - updated via JS */
    mask-image: radial-gradient(300px circle at -9999px -9999px, black, transparent);
    -webkit-mask-image: radial-gradient(300px circle at -9999px -9999px, black, transparent);
}

/* Decorative Blur Spheres */
.blur-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
}

.sphere-orange {
    right: -15%;
    top: -15%;
    width: 35%;
    height: 35%;
    background: rgba(224, 122, 95, 0.25);
}

.sphere-blue {
    left: -10%;
    bottom: -15%;
    width: 35%;
    height: 35%;
    background: rgba(61, 64, 91, 0.2);
}

.sphere-accent {
    right: 15%;
    top: -8%;
    width: 18%;
    height: 18%;
    background: rgba(242, 204, 143, 0.25);
}

/* Ensure all content is above the grid */
header,
main,
footer {
    position: relative;
    z-index: 1;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Layout Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-medium);
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Typography Utilities */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-primary);
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background-color: #cf6b50;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(224, 122, 95, 0.2);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
}

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

/* Glassmorphism Classes */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-medium);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-medium);
}

header.scrolled {
    padding: 1rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
    background: rgba(253, 253, 252, 0.9);
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-primary);
    letter-spacing: -1px;
}

.nav-links {
    display: none;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:hover {
    color: var(--accent-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition-fast);
}

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

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

.theme-toggle {
    background: var(--border-color);
    border: none;
    border-radius: 30px;
    width: 60px;
    height: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 6px;
    transition: background 0.3s ease;
    position: relative;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    background: var(--card-bg);
    border-radius: 50%;
    top: 4px;
    left: 4px;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

body.dark-mode .theme-toggle::before {
    transform: translateX(30px);
}

.theme-toggle:hover {
    background: var(--accent-primary);
}

.theme-toggle i {
    width: 14px;
    height: 14px;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

/* Light mode: sun visible, moon faded */
.theme-toggle .sun-icon {
    opacity: 1;
    color: var(--accent-primary);
}

.theme-toggle .moon-icon {
    opacity: 0.5;
}

/* Dark mode: moon visible, sun faded */
body.dark-mode .theme-toggle .sun-icon {
    opacity: 0.5;
    color: var(--text-secondary);
}

body.dark-mode .theme-toggle .moon-icon {
    opacity: 1;
    color: var(--accent-muted);
}

.mobile-menu-btn {
    display: block;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.mobile-menu-btn:hover {
    background: rgba(224, 122, 95, 0.1);
}

.mobile-menu-btn i {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, rgba(224, 122, 95, 0.05) 0%, transparent 40%);
}

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

.greeting {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 0.5rem;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.typewriter-container {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    min-height: 2.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

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

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

/* Profile Circles Container */
.profile-circles-container {
    position: relative;
    width: 380px;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Animated Circles */
.animated-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid transparent;
    background: linear-gradient(to bottom right, transparent, transparent);
}

.circle-1 {
    width: 100%;
    height: 100%;
    border-color: rgba(249, 115, 22, 0.6);
    /* orange-500 */
    background: radial-gradient(ellipse at center, rgba(249, 115, 22, 0.1) 0%, transparent 70%);
    animation: rotateCircle 10s linear infinite, pulseCircle1 5s ease-in-out infinite;
}

.circle-2 {
    width: 90%;
    height: 90%;
    border-color: rgba(250, 204, 21, 0.5);
    /* yellow-400 */
    background: radial-gradient(ellipse at center, rgba(250, 204, 21, 0.08) 0%, transparent 70%);
    animation: rotateCircle 12s linear infinite reverse, pulseCircle2 5s ease-in-out infinite;
}

.circle-3 {
    width: 80%;
    height: 80%;
    border-color: rgba(71, 85, 105, 0.3);
    /* slate-600 */
    background: radial-gradient(ellipse at center, rgba(71, 85, 105, 0.05) 0%, transparent 70%);
    animation: rotateCircle 15s linear infinite, pulseCircle3 5s ease-in-out infinite;
}

/* Keyframe Animations */
@keyframes rotateCircle {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes pulseCircle1 {

    0%,
    100% {
        transform: rotate(0deg) scale(1);
        opacity: 0.8;
    }

    50% {
        transform: rotate(180deg) scale(1.05);
        opacity: 1;
    }
}

@keyframes pulseCircle2 {

    0%,
    100% {
        transform: rotate(0deg) scale(1);
        opacity: 0.8;
    }

    50% {
        transform: rotate(-180deg) scale(1.1);
        opacity: 1;
    }
}

@keyframes pulseCircle3 {

    0%,
    100% {
        transform: rotate(0deg) scale(1);
        opacity: 0.8;
    }

    50% {
        transform: rotate(180deg) scale(1.15);
        opacity: 1;
    }
}

/* Profile Image - Circular */
.profile-circles-container .image-wrapper {
    width: 70%;
    height: 70%;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    z-index: 10;
    box-shadow: 0 10px 40px rgba(249, 115, 22, 0.2);
}

.profile-circles-container .image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hero-image:hover .image-wrapper img {
    transform: scale(1.05);
}

/* Languages Card - Wide & Compact */
.languages-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 1.25rem 2rem;
    margin-top: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.languages-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.languages-card h3 i {
    width: 18px;
    height: 18px;
    color: var(--accent-primary);
}

.languages-list {
    display: flex;
    gap: 3.5rem;
    flex-wrap: wrap;
}

.language-item {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    flex: 1;
    min-width: 200px;
}

.language-info {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.language-name {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
    letter-spacing: 0.2px;
}

.language-level {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    width: fit-content;
    border: 1px solid transparent;
}

.language-level.native {
    background: #f0fdf4;
    color: #15803d;
    border-color: #bbf7d0;
}

.language-level.c1 {
    background: #eff6ff;
    color: #1d4ed8;
    border-color: #bfdbfe;
}

.language-level.b2 {
    background: #fffbeb;
    color: #b45309;
    border-color: #fde68a;
}

.language-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: 0.25rem;
}

@media (max-width: 768px) {
    .languages-list {
        flex-direction: column;
        gap: 1rem;
    }

    .language-desc {
        display: none;
    }
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 140px;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 180px;
    margin-bottom: 2.5rem;
}

.timeline-dot {
    position: absolute;
    left: 131px;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--bg-color);
    border: 4px solid var(--accent-primary);
    border-radius: 50%;
    z-index: 1;
}

.timeline-logo {
    position: absolute;
    left: 0;
    top: 2.5rem;
    width: 120px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-logo img {
    max-width: 110px;
    max-height: 70px;
    object-fit: contain;
    filter: grayscale(1);
    opacity: 0.6;
    transition: var(--transition-fast);
}

.timeline-logo img.horiba-logo {
    max-width: 130px;
    max-height: 85px;
}

.timeline-item:hover .timeline-logo img {
    filter: grayscale(0);
    opacity: 1;
    transform: scale(1.1);
}

.timeline-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.timeline-date {
    font-weight: 600;
    color: var(--accent-primary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: block;
}

.experience-header {
    margin-bottom: 1.5rem;
}

.experience-info {
    flex-grow: 1;
}

.experience-info h3 {
    margin: 0;
}

.company-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-fast);
}

.company-link:hover {
    color: var(--accent-secondary);
}

.company-link i {
    width: 14px;
    height: 14px;
}

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

.experience-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.experience-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.sub-role h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

/* About Section Extras */
.about-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.infographic-placeholder {
    background: var(--card-bg);
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: var(--radius-md);
    border: 2px dashed var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.infographic-placeholder i {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.infographic-placeholder p {
    font-weight: 500;
    opacity: 0.5;
}

.infographic-placeholder:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Responsive Component Adjustments */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

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

/* Projects Grid - New Design */
.projects-grid-new {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.project-card-new {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
    display: flex;
    flex-direction: column;
}

.project-card-new:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--accent-primary);
}

/* Domain Tags at top */
.project-domain-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem 1.25rem 0;
}

.domain-tag {
    padding: 0.25rem 0.7rem;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Domain tag colors */
.domain-tag.mlops {
    background: #fef3c7;
    color: #92400e;
}

.domain-tag.cloud {
    background: #dbeafe;
    color: #1e40af;
}

.domain-tag.ml {
    background: #f3e8ff;
    color: #7c3aed;
}

.domain-tag.llm {
    background: #dcfce7;
    color: #166534;
}

.domain-tag.ai {
    background: #fce7f3;
    color: #be185d;
}

.domain-tag.rag {
    background: #e0e7ff;
    color: #3730a3;
}

.domain-tag.nlp {
    background: #cffafe;
    color: #0e7490;
}

.domain-tag.automation {
    background: #fef9c3;
    color: #854d0e;
}

.domain-tag.cv {
    background: #fed7aa;
    color: #c2410c;
}

.domain-tag.ocr {
    background: #fecaca;
    color: #dc2626;
}

.domain-tag.industry {
    background: #d1fae5;
    color: #047857;
}

.domain-tag.vr {
    background: #c7d2fe;
    color: #4338ca;
}

.domain-tag.medical {
    background: #fce7f3;
    color: #db2777;
}

.domain-tag.gaming {
    background: #e9d5ff;
    color: #9333ea;
}

.domain-tag.dl {
    background: #fef3c7;
    color: #b45309;
}

.domain-tag.gen {
    background: #f0fdf4;
    color: #15803d;
}

.domain-tag.research {
    background: #f1f5f9;
    color: #475569;
}

/* Project Image */
.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    margin: 0.75rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card-new:hover .project-image img {
    transform: scale(1.05);
}

/* Project Image Placeholder */
.project-image-placeholder {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #f8f8f8 0%, #e8e8e8 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    margin: 1rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.project-image-placeholder i {
    width: 40px;
    height: 40px;
    opacity: 0.3;
    margin-bottom: 0.5rem;
}

.project-image-placeholder span {
    font-size: 0.85rem;
    opacity: 0.5;
}

/* Project Content */
.project-content {
    padding: 0 1.25rem 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.project-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
}

/* Project Tools */
.project-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.tool-tag {
    background-color: transparent;
    color: var(--text-secondary);
    padding: 0.3rem 0.7rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: var(--transition-fast);
}

.tool-tag i {
    font-size: 12px;
    color: var(--accent-primary);
}

.tool-tag i[data-lucide] {
    width: 12px;
    height: 12px;
}

.tool-tag:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Project Code Button */
.project-code-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition-fast);
    margin-top: auto;
}

.project-code-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.project-code-btn i {
    width: 18px;
    height: 18px;
}

/* Private Project Button */
.project-code-btn.project-private {
    background: #f5f5f5;
    color: var(--text-secondary);
    cursor: pointer;
}

.project-code-btn.project-private:hover {
    background: #e8e8e8;
    color: var(--text-secondary);
    border-color: var(--border-color);
}

/* Responsive for Projects */
@media (max-width: 768px) {
    .projects-grid-new {
        grid-template-columns: 1fr;
    }
}

/* Publications Section */
.publications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.publication-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
    display: flex;
    flex-direction: row;
}

.publication-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    border-color: var(--accent-primary);
}

.publication-image {
    width: 140px;
    min-width: 140px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.publication-image img {
    max-width: 100%;
    max-height: 160px;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.publication-content {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.publication-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.7rem;
    border-radius: 20px;
    margin-bottom: 0.75rem;
    width: fit-content;
}

.publication-status i {
    width: 14px;
    height: 14px;
}

.publication-status.published {
    background: #dcfce7;
    color: #166534;
}

.publication-status.in-progress {
    background: #fef3c7;
    color: #92400e;
}

.publication-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.publication-venue {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.publication-venue i {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--accent-primary);
}

@media (max-width: 768px) {
    .publications-grid {
        grid-template-columns: 1fr;
    }

    .publication-card {
        flex-direction: column;
    }

    .publication-image {
        width: 100%;
        padding: 1.5rem;
    }
}

/* OLD Projects Grid - keeping for backwards compatibility */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    border-color: var(--accent-primary);
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.project-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    overflow: hidden;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: rgba(224, 122, 95, 0.1);
    color: var(--accent-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.project-links {
    display: flex;
    gap: 1.2rem;
}

.project-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-fast);
}

.project-links a:hover {
    color: var(--accent-primary);
}

.project-links i {
    width: 18px;
    height: 18px;
}

/* Skills Section - Compact Single Column */
.skills-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.skill-category-compact {
    background: var(--card-bg);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.skill-category-compact:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border-color: var(--accent-primary);
}

.skill-category-compact h3 {
    color: var(--text-primary);
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    min-width: 140px;
    flex-shrink: 0;
}

.skill-tags-compact {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.5rem;
    overflow-x: auto;
}

.skill-tag-outlined {
    background-color: transparent;
    color: var(--text-secondary);
    padding: 0.35rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1.5px solid var(--border-color);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
}

.skill-tag-outlined i {
    font-size: 14px;
    color: var(--accent-primary);
}

/* Lucide icon sizing */
.skill-tag-outlined i[data-lucide] {
    width: 14px;
    height: 14px;
}

.skill-tag-outlined:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Contact Section */
.contact-info {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    font-weight: 500;
}

.contact-item i {
    color: var(--accent-primary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.social-links a {
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.social-links a:hover {
    color: var(--accent-primary);
    transform: translateY(-5px);
}

.social-links i {
    width: 28px;
    height: 28px;
}

/* Extra Curricular Activities Section */
.extracurricular-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
    align-items: center;
}

.extracurricular-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.extracurricular-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.extracurricular-img:hover {
    transform: scale(1.03);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.extracurricular-img-placeholder {
    aspect-ratio: 4/3;
    min-height: 160px;
    background: var(--bg-color);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.extracurricular-img-placeholder i {
    width: 32px;
    height: 32px;
    margin-bottom: 0.5rem;
    opacity: 0.4;
}

.extracurricular-img-placeholder span {
    font-size: 0.8rem;
    opacity: 0.5;
}

.extracurricular-img-placeholder:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.extracurricular-header {
    margin-bottom: 1rem;
}

.extracurricular-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.extracurricular-org {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: var(--transition-fast);
}

.extracurricular-org:hover {
    color: var(--accent-secondary);
}

.extracurricular-org i {
    width: 14px;
    height: 14px;
}

.inline-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.inline-link:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.extracurricular-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.extracurricular-details {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .extracurricular-card {
        grid-template-columns: 1fr;
    }

    .extracurricular-images {
        flex-direction: column;
    }
}

/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Nav Menu Overlay */
.nav-links.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    justify-content: center;
    align-items: center;
    z-index: 999;
    gap: 2rem;
}

.nav-links.active a {
    font-size: 1.5rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
}

.nav-links.active a:hover {
    color: var(--accent-primary);
    transform: scale(1.05);
}

/* ================================
   COMPREHENSIVE MOBILE RESPONSIVE STYLES
   ================================ */

/* Tablet Breakpoint - 768px and below */
@media (max-width: 768px) {

    /* Container adjustments */
    .container {
        padding: 0 1.25rem;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }

    section {
        padding: 3rem 0;
    }

    /* Hero Section Mobile */
    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: 3rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .typewriter-container {
        font-size: 1.2rem;
        min-height: 2rem;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* Profile circles container mobile */
    .profile-circles-container {
        width: 280px;
        height: 280px;
        margin: 2rem auto 0;
    }

    /* Timeline Mobile */
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-dot {
        left: 11px;
        width: 16px;
        height: 16px;
    }

    .timeline-logo {
        display: none;
    }

    .timeline-content {
        padding: 1.25rem;
    }

    .timeline-content h3 {
        font-size: 1.1rem;
    }

    .experience-list li {
        font-size: 0.9rem;
    }

    /* Skills Section Mobile */
    .skill-category-compact {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 1rem;
    }

    .skill-category-compact h3 {
        min-width: auto;
        font-size: 0.9rem;
    }

    .skill-tags-compact {
        flex-wrap: wrap;
    }

    .skill-tag-outlined {
        font-size: 0.8rem;
        padding: 0.3rem 0.6rem;
    }

    /* About Section Mobile */
    .about-text p {
        font-size: 0.95rem;
    }

    .about-layout-right {
        margin-top: 1.5rem;
    }

    /* Contact Section Mobile */
    .contact-item {
        font-size: 1rem;
    }

    .social-links {
        gap: 1.5rem;
        margin-top: 2rem;
    }

    /* Footer Mobile */
    footer {
        padding: 2.5rem 0;
    }
}

/* Small Mobile Breakpoint - 480px and below */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    /* Header Mobile */
    header {
        padding: 1rem 0;
    }

    .logo {
        font-size: 1.25rem;
    }

    /* Hero Section Small Mobile */
    .hero h1 {
        font-size: 1.8rem;
    }

    .greeting {
        font-size: 0.9rem;
    }

    .typewriter-container {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    /* Profile circles smaller */
    .profile-circles-container {
        width: 220px;
        height: 220px;
    }

    /* Timeline Small Mobile */
    .timeline-content {
        padding: 1rem;
    }

    .timeline-date {
        font-size: 0.8rem;
    }

    .timeline-content h3 {
        font-size: 1rem;
    }

    .sub-role h4 {
        font-size: 1rem;
    }

    /* Project Cards Small Mobile */
    .project-content h3 {
        font-size: 1rem;
    }

    .project-content p {
        font-size: 0.85rem;
    }

    .domain-tag {
        font-size: 0.65rem;
        padding: 0.2rem 0.5rem;
    }

    .tool-tag {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }

    /* Publication Cards Small Mobile */
    .publication-content h3 {
        font-size: 0.9rem;
    }

    .publication-venue {
        font-size: 0.8rem;
    }

    /* Skills Small Mobile */
    .skill-tag-outlined {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }

    /* Languages Card Mobile */
    .languages-card {
        padding: 1rem;
    }

    .language-name {
        font-size: 0.95rem;
    }

    .language-level {
        font-size: 0.7rem;
    }

    /* Extracurricular Mobile */
    .extracurricular-card {
        padding: 1.25rem;
    }

    .extracurricular-header h3 {
        font-size: 1.25rem;
    }

    .extracurricular-description,
    .extracurricular-details {
        font-size: 0.9rem;
    }

    .extracurricular-img-placeholder {
        min-height: 120px;
    }

    /* Buttons Small Mobile */
    .btn {
        padding: 0.7rem 1.25rem;
        font-size: 0.9rem;
    }

    /* Contact Small Mobile */
    .contact-item {
        font-size: 0.9rem;
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Mobile Navigation Menu Active State */
@media (max-width: 768px) {
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--bg-color);
        justify-content: center;
        align-items: center;
        z-index: 999;
        gap: 2rem;
    }

    .nav-links.active a {
        font-size: 1.25rem;
    }
}