:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #f3f4f6;
    --light-text: #9ca3af;
    --background: linear-gradient(135deg, #000000 0%, #0a0a0a 50%, #141414 100%);
    --section-bg: rgba(10, 10, 10, 0.9);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--background);
    position: relative;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        linear-gradient(135deg, #000000, #0a0a0a 30%, #141414 70%, #1a1a1a);
    z-index: -1;
}

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    background-image: url('../images/background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.7) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInDown 1s ease;
}

.hero h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease 0.3s both;
}

.hero p {
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.6s both;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
section {
    padding: 5rem 1rem;
    position: relative;
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    animation: fadeInUp 1s ease forwards;
}

/* About Section */
.about {
    background: var(--section-bg);
    padding: 5rem 1rem;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.profile-container {
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-bottom: 2rem;
    animation: fadeInLeft 1s ease forwards;
}

.profile-image {
    flex-shrink: 0;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.05);
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.about-text {
    flex: 1;
    font-size: 1.1rem;
    color: var(--text-color);
    line-height: 1.8;
}

.education {
    background: var(--section-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--primary-color);
    animation: fadeInRight 1s ease 0.3s forwards;
    opacity: 0;
}

.education h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.education-item {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
    border-left: 3px solid var(--primary-color);
    position: relative;
}

.education-item:last-child {
    margin-bottom: 0;
}

.education-item h4 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.education-item p {
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.education-item span {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* Responsive Design for About Section */
@media (max-width: 768px) {
    .profile-container {
        flex-direction: column;
        text-align: center;
    }

    .profile-image {
        width: 200px;
        height: 200px;
        margin: 0 auto;
    }

    .about-text {
        text-align: center;
    }

    .education-item {
        padding-left: 1rem;
    }
}

/* Experience Section */
.timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    padding: 2rem 0;
    background: var(--section-bg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background-color: var(--primary-color);
}

.timeline-item {
    margin-bottom: 4rem;
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: calc(var(--item-index, 0) * 0.2s);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background-color: var(--primary-color);
    border: 3px solid var(--text-color);
    border-radius: 50%;
    z-index: 2;
}

.timeline-content {
    width: calc(50% - 30px);
    position: relative;
    margin-left: auto;
    padding: 1.5rem;
    border-radius: 8px;
    background: var(--section-bg);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: auto;
    animation: fadeInLeft 1s ease forwards;
    animation-delay: calc(var(--item-index, 0) * 0.2s);
}

.timeline-item:nth-child(even) .timeline-content {
    animation: fadeInRight 1s ease forwards;
    animation-delay: calc(var(--item-index, 0) * 0.2s);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 20px;
    height: 20px;
    background: var(--section-bg);
    transform: rotate(45deg);
    border: 2px solid var(--primary-color);
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -12px;
    border-left: none;
    border-bottom: none;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -12px;
    border-right: none;
    border-top: none;
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.timeline-content .role {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content .date {
    color: var(--light-text);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timeline-content p {
    color: var(--light-text);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.timeline-content ul {
    list-style-type: none;
    padding-left: 0;
}

.timeline-content li {
    color: var(--light-text);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.timeline-content li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }

    .timeline-item::before {
        left: 30px;
    }

    .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px !important;
    }

    .timeline-content::before {
        left: -12px !important;
        border-right: none !important;
        border-top: none !important;
    }
}

/* Skills Section */
.skills-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    background: var(--section-bg);
    padding: 5rem 1rem;
}

.skill-category {
    background: var(--section-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--primary-color);
    opacity: 0;
    animation: scaleIn 0.8s ease forwards;
    animation-delay: calc(var(--item-index, 0) * 0.2s);
}

.skill-category h3 {
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.skill-items span {
    background: var(--section-bg);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.skill-category:hover {
    animation: borderGlow 2s infinite;
}

/* Technology Badges */
.tech-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    margin: 0.25rem;
    border-radius: 15px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--primary-color);
    color: var(--text-color);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.tech-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.2);
    background: rgba(37, 99, 235, 0.1);
}

/* Projects Section */
.projects-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    background: var(--section-bg);
    padding: 5rem 1rem;
}

.project-card {
    background: var(--section-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--primary-color);
    transition: transform 0.3s ease;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: calc(var(--item-index, 0) * 0.2s);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.2);
}

.project-content {
    padding: 1.5rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.project-tech span {
    background: var(--section-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

/* Passions Section */
.passions {
    background: linear-gradient(135deg, var(--background) 0%, var(--section-bg) 100%);
    padding: 5rem 1rem;
}

.passions-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.passion-card {
    background: var(--section-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--primary-color);
    transition: transform 0.3s ease;
    opacity: 0;
    animation: scaleIn 0.8s ease forwards;
    animation-delay: calc(var(--item-index, 0) * 0.2s);
}

.passion-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.passion-card h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.passion-card p {
    color: var(--light-text);
}

.passion-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.2);
}

.passion-card:hover i {
    transform: scale(1.2) rotate(5deg);
}

/* Contact Section */
.contact {
    background: var(--section-bg);
    padding: 5rem 1rem;
}

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

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* CTA Button */
.cta-button {
    margin: 2rem 0;
}

.portfolio-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    color: #808080;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

.portfolio-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.portfolio-btn i {
    transition: transform 0.3s ease;
}

.portfolio-btn:hover i {
    transform: translateX(5px);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background: var(--text-color);
    color: #808080;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 0;
    }
    
    .timeline-content {
        width: calc(100% - 30px);
        margin-left: 30px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes borderGlow {
    0% {
        box-shadow: 0 0 5px var(--primary-color);
    }
    50% {
        box-shadow: 0 0 20px var(--primary-color);
    }
    100% {
        box-shadow: 0 0 5px var(--primary-color);
    }
}