* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-purple: #8b5cf6;
    --accent-purple-dark: #7c3aed;
    --border-color: #404040;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-purple);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-purple);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-greeting {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-purple);
}

.hero-description,
.hero-extended {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Skills */
.skills-container {
    margin: 2rem 0;
}

.skills-container h3 {
    color: var(--accent-purple);
    margin-bottom: 1rem;
}

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

.skill-item {
    background: var(--bg-card);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.skill-item:hover {
    background: var(--accent-purple);
    transform: translateY(-2px);
}

/* Interests */
.interests-container {
    margin: 2rem 0;
}

.interests-container h3 {
    color: var(--accent-purple);
    margin-bottom: 1rem;
}

.interests-list {
    list-style: none;
}

.interests-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.interests-list li:before {
    content: "▶ ";
    color: var(--accent-purple);
    margin-right: 0.5rem;
}

/* Hero Image */
.hero-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.image-placeholder {
    width: 300px;
    height: 400px;
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.image-placeholder:hover {
    border-color: var(--accent-purple);
}

.image-placeholder i {
    font-size: 4rem;
    color: var(--text-secondary);
}

.image-placeholder p {
    color: var(--text-secondary);
}

/* Social Links */
.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.social-link:hover {
    background: var(--accent-purple);
    transform: translateX(5px);
}

.social-link i {
    font-size: 1.2rem;
    width: 20px;
}

/* Sections */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--accent-purple);
}

.projects,
.experience,
.awards {
    padding: 5rem 0;
}

/* Projects */
.project-category {
    margin-bottom: 3rem;
}

.category-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-purple);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
}

.project-card h4 {
    color: var(--accent-purple);
    margin-bottom: 1rem;
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.project-type {
    font-size: 0.8rem;
    background: var(--accent-purple);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
}

.project-link {
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--accent-purple);
}

/* Social Projects */
.social-projects {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.social-project-item {
    background: var(--bg-card);
    padding: 1rem 2rem;
    border-radius: 25px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.social-project-item:hover {
    background: var(--accent-purple);
    transform: translateY(-3px);
}

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

.experience-category {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.experience-category h3 {
    color: var(--accent-purple);
    margin-bottom: 1.5rem;
    text-align: center;
}

.experience-category ul {
    list-style: none;
}

.experience-category li {
    padding: 0.8rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    transition: color 0.3s ease;
}

.experience-category li:hover {
    color: var(--text-primary);
}

.experience-category li:before {
    content: "• ";
    color: var(--accent-purple);
    margin-right: 0.5rem;
}

/* Awards */
.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.award-item {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.award-item:hover {
    background: var(--accent-purple);
    transform: translateY(-3px);
}

.award-item i {
    color: #ffd700;
    font-size: 1.5rem;
}

/* Languages */
.languages-section,
.tools-section {
    margin-top: 3rem;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.languages-section h3,
.tools-section h3 {
    color: var(--accent-purple);
    margin-bottom: 1.5rem;
    text-align: center;
}

.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.language-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.language-item strong {
    color: var(--accent-purple);
}

.language-item span {
    color: var(--text-secondary);
}

/* Tools */
.tools-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tool-category h4 {
    color: var(--accent-purple);
    margin-bottom: 1rem;
}

.tools-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tool-tag {
    background: var(--bg-primary);
}

.profile-image img {
    width: 300px;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    border: 3px solid var(--accent-purple);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
    transition: all 0.3s ease;
}

.profile-image img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.4);
}

.section-hidden {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease-out;
}

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

.nav-scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 4px 18px rgba(0,0,0,0.4);
    transition: all 0.3s ease;
}

.project-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.skill-item {
    transition: all 0.25s ease;
}

.project-card {
    transition: transform 0.25s ease-out;
}