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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Navigation */
.navbar {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
}

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

.nav-menu a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.nav-menu a:hover {
    opacity: 0.8;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #27004e 100%);
    color: white;
    border-radius: 10px;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.85;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    transition: transform 0.2s, box-shadow 0.2s;
    font-weight: 500;
}

.btn-primary {
    background-color: #3498db;
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: #667eea;
    transform: translateY(-2px);
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.feature-card h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
}

/* Page Header */
.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    color: #2c3e50;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: #666;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* Content Section */
.content-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.content-section h2 {
    color: #2c3e50;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.content-section h2:first-child {
    margin-top: 0;
}

.content-section ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.content-section li {
    margin-bottom: 0.5rem;
}

.experience-card {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    margin-bottom: 2rem;
}

.experience-card h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.company {
    color: #666;
    font-style: italic;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.tools-used {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #dee2e6;
    color: #555;
    font-size: 0.95rem;
}

.about-intro {
    margin-bottom: 2rem;
}

.intro-text {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #444;
}

.journey-section {
    margin-bottom: 2rem;
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.journey-section p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #444;
}

.journey-section p:last-child {
    margin-bottom: 0;
}

.skills-list {
    display: grid;
    gap: 2rem;
    margin-top: 1.5rem;
}

.skill-category {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.skill-category h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.skill-category ul {
    margin-left: 1.5rem;
}

.skills-overview {
    margin-top: 4rem;
}

.section-title {
    text-align: center;
    color: #2c3e50;
    font-size: 2rem;
    margin-bottom: 2rem;
}

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

.skill-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    text-align: center;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.skill-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.skill-card p {
    color: #666;
    line-height: 1.6;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

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

.project-header h2 {
    color: #2c3e50;
    font-size: 1.5rem;
    margin: 0;
    flex: 1;
}

.project-tag {
    background: #3498db;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    white-space: nowrap;
}

.hackathon-tag {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    font-weight: 600;
}

.featured-project {
    border: 2px solid #3498db;
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.2);
}

.featured-project:hover {
    box-shadow: 0 6px 16px rgba(52, 152, 219, 0.3);
    border-color: #2980b9;
}

.project-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

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

.tech-badge {
    background: #e8f4f8;
    color: #2c3e50;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Contact */
.contact-section {
    margin-top: 2rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.contact-card p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.contact-link {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.contact-link:hover {
    color: #2980b9;
    text-decoration: underline;
}

.contact-location {
    color: #666;
    font-weight: 500;
    margin: 0;
}

.contact-note {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.contact-note h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.contact-note p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.contact-note ul {
    margin-left: 2rem;
    color: #666;
    line-height: 1.8;
}

/* Error Pages */
.error-page {
    text-align: center;
    padding: 4rem 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.error-page h1 {
    color: #e74c3c;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.error-page p {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

.footer p {
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

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

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

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

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

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
    }
}