/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ffd700;
    --secondary-color: #1e2127;
    --dark-bg: #171a21;
    --card-bg: #1e2127;
    --text-color: #ffffff;
    --light-text: #a0a0a0;
    --accent-color: #2a2d35;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--dark-bg);
}

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(30, 33, 39, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    z-index: 1000;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 5px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--secondary-color);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(41, 44, 51, 0.8) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(41, 44, 51, 0.8) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.profile-photo {
    flex: 1;
    max-width: 300px;
    position: relative;
}

.profile-photo img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.profile-photo::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    z-index: -1;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero h2 {
    font-size: 1.5rem;
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: var(--dark-bg);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn:hover {
    background: #e5c100;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    margin-left: 1rem;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Sections */
section {
    padding: 5rem 0;
    background: var(--dark-bg);
}

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

/* About Section */
.about {
    background: var(--secondary-color);
}

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

.about-text p {
    margin-bottom: 1rem;
    color: var(--light-text);
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--light-text);
    font-size: 1rem;
}

/* Projects Section */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: #1e2127;
    border-radius: 10px;
    padding: 1.5rem;
    transition: transform 0.3s ease;
    border: 1px solid #2a2e35;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-header i {
    font-size: 1.5rem;
    color: #ffd700;
}

.project-date {
    font-size: 0.9rem;
    color: #888;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tech-tag {
    background: #2a2e35;
    color: #ffd700;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
}

.project-details {
    list-style: none;
    padding: 0;
    margin: 0;
}

.project-details li {
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    color: #ccc;
    position: relative;
    padding-left: 1.2rem;
}

.project-details li::before {
    content: "•";
    color: #ffd700;
    position: absolute;
    left: 0;
    top: 0;
}

/* Skills Section */
.skills {
    background: var(--secondary-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    text-align: center;
}

.skill {
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.skill:hover {
    transform: translateY(-5px);
}

.skill i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Contact Section */
.contact {
    background: var(--dark-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

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

.contact-link:hover {
    color: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    background: var(--secondary-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form button {
    align-self: flex-start;
    margin-top: 1rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

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

/* Footer */
footer {
    background: var(--secondary-color);
    color: var(--text-color);
    padding: 2rem 0;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
    }

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

    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .profile-photo {
        max-width: 250px;
        margin: 0 auto;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 1.2rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .btn-outline {
        margin-left: 0;
        margin-top: 1rem;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.about-content,
.project-card,
.skill,
.contact-content {
    animation: fadeIn 1s ease-out;
}

/* Education Section */
.education {
    background: var(--dark-bg);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 100%;
    background: var(--primary-color);
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.3;
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    padding-right: calc(50% + 2rem);
}

.timeline-item:nth-child(even) {
    padding-left: calc(50% + 2rem);
}

.timeline-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 50%;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -62px;
    transform: translateY(-50%);
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -62px;
    transform: translateY(-50%);
}

.date {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: var(--dark-bg);
    border-radius: 20px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-content h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.institution {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.description {
    color: var(--light-text);
    margin-bottom: 1rem;
}

.achievements-list {
    list-style: none;
    padding-left: 0;
}

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

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

/* Achievements Section */
.achievements {
    background: var(--secondary-color);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.achievement-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.achievement-card:hover {
    transform: translateY(-5px);
}

.achievement-icon {
    width: 60px;
    height: 60px;
    background: var(--dark-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

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

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

.achievement-date {
    display: inline-block;
    padding: 0.25rem 1rem;
    background: var(--dark-bg);
    color: var(--primary-color);
    border-radius: 15px;
    font-size: 0.9rem;
}

/* Responsive Design for Education and Achievements */
@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        padding: 0 0 0 80px;
    }

    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -50px;
        transform: translateY(-50%);
    }

    .achievements-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }
}

.social-icons {
    display: flex;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.social-icon {
    color: var(--text-color);
    font-size: 1.8rem;
    transition: all 0.3s ease;
    background: var(--card-bg);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
}

.social-icon:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--secondary-color);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.project-link:hover {
    background: var(--dark-bg);
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.project-link i {
    font-size: 1.1rem;
}