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

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 18px;
    line-height: 1.6;
    color: #4a5568;
    background-color: #fafafa;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Typography */
h1 {
    font-family: 'Trebuchet MS', Trebuchet, sans-serif;
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #2d3748;
}

h2 {
    font-family: 'Trebuchet MS', Trebuchet, sans-serif;
    font-size: 26px;
    font-weight: 600;
    margin: 50px 0 0px 0;
    color: #2d3748;
    padding-bottom: 8px;
}

h3 {
    font-family: 'Trebuchet MS', Trebuchet, sans-serif;
    font-size: 20px;
    font-weight: 600;
    margin: 24px 0 12px 0;
    color: #2d3748;
}

p {
    margin-bottom: 16px;
    color: #718096;
}

/* Links */
a {
    color: #0366d6;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

a:visited {
    color: #6f42c1;
}

/* Strong text for tech stacks */
strong {
    color: #2d3748;
    font-weight: 600;
}

/* Lists */
ul, ol {
    margin: 16px 0;
    padding-left: 24px;
}

li {
    margin-bottom: 8px;
    color: #718096;
}

/* Header */
header {
    margin-bottom: 48px;
    padding-bottom: 24px;
    text-align: left;
}

/* Profile Card Layout */
.profile-card {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 24px;
}

.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

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

.profile-info {
    flex: 1;
}

.profile-info h1 {
    margin: 0 0 8px 0;
    font-size: 32px;
    font-weight: 600;
    color: #2d3748;
}

.profile-title {
    font-size: 18px;
    color: #718096;
    margin: 0;
}

/* Header links container */
.header-links {
    margin-top: 16px;
}

/* Header link buttons */
.header-links a {
    display: inline-block;
    padding: 8px 16px;
    margin: 4px 8px 4px 0;
    background-color: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    color: #4a5568;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.header-links a:hover {
    background-color: #edf2f7;
    border-color: #cbd5e0;
    color: #2d3748;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-links a:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Navigation */
nav {
    margin: 32px 0;
    padding: 16px 0;
    text-align: center;
}

nav a {
    margin: 0 8px;
    padding: 8px 12px;
    color: #718096;
    font-weight: 500;
    border-radius: 6px;
    transition: background-color 0.2s;
}

nav a:hover {
    background-color: #f7fafc;
    text-decoration: none;
}

/* Sections */
section {
    margin-bottom: 48px;
}

/* Simple Projects List Styling */
.simple-projects-list p {
    margin-bottom: 16px;
    line-height: 1.6;
}

.simple-projects-list a {
    color: #2d3748;
    text-decoration: none;
    border-bottom: 1px solid #cbd5e0;
    padding-bottom: 1px;
    transition: border-color 0.2s;
}

.simple-projects-list a:hover {
    border-color: #4a5568;
}

section#simple-projects {
    margin-bottom: 48px;
    padding-bottom: 24px;
    border-bottom: 1px solid #e2e8f0;
}

/* Tech stack structured layout */
.tech-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.tech-category {
    background-color: #edf2f7;
    padding: 10px 16px;
    border-radius: 6px;
    border-left: 3px solid #38b2ac;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    flex: 1 1 300px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tech-category.learning {
    border-left-color: #805ad5;
}

.category-name {
    font-weight: 700;
    color: #1a202c;
    font-size: 14px;
    display: block;
}

.tech-items {
    color: #2d3748;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.5;
    display: block;
}

/* Mobile responsiveness for tech categories */
@media (max-width: 768px) {
    .tech-category {
        flex: 1 1 100%;
    }
}

/* Contact section links styling */
section#contact a {
    color: #000;
    text-decoration: underline;
}

section#contact a:hover {
    color: #000;
    text-decoration: underline;
}

section#contact a:visited {
    color: #000;
    text-decoration: underline;
}

/* Useful links section styling */
section#useful-links a {
    color: #000;
    text-decoration: underline;
}

section#useful-links a:hover {
    color: #000;
    text-decoration: underline;
}

section#useful-links a:visited {
    color: #000;
    text-decoration: underline;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 64px;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
    font-size: 14px;
    color: #a0aec0;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    body {
        padding: 24px 16px;
        font-size: 15px;
    }
    
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 22px;
    }
    
    h3 {
        font-size: 18px;
    }
    
    nav a {
        display: block;
        margin: 8px 0;
        text-align: center;
    }
    
    /* Mobile profile card  */
    .profile-card {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .profile-img {
        width: 100px;
        height: 100px;
    }
    
    .profile-info h1 {
        font-size: 24px;
        white-space: nowrap;
    }
    
    .profile-title {
        font-size: 16px;
    }
    
    /* Center header links on mobile */
    .header-links {
        text-align: center;
    }
    
    section#projects .project {
        padding: 16px;
    }
    
    section#projects h3 {
        padding: 10px 12px;
    }
}

/* Print Styles */
@media print {
    body {
        max-width: none;
        margin: 0;
        padding: 0;
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: #fff;
    }
    
    a {
        color: #000;
        text-decoration: none;
    }
    
    a:after {
        content: " (" attr(href) ")";
        font-size: 10pt;
        color: #666;
    }
    
    nav {
        display: none;
    }
    
    section {
        page-break-inside: avoid;
        margin-bottom: 20px;
    }
    
    h2 {
        page-break-after: avoid;
    }
    
    section#projects h3,
    section#skills p {
        background: none !important;
        border: none !important;
    }
}