/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

:root {
    --bg-color: #121212;
    --text-color: #e6f1ff;
    --primary-color: #6C63FF;
    --secondary-color: #8892b0;
    --card-bg: rgba(30, 30, 30, 0.7);
    --card-hover: rgba(30, 30, 30, 0.9);
    --heading-color: #ffffff;
    --accent-color: #00FFCC;
    --hover-color: #8E44AD;
    --form-bg: rgba(30, 30, 30, 0.7);
    --input-border: rgba(108, 99, 255, 0.2);
    --input-focus: rgba(108, 99, 255, 0.5);
    --gradient-start: #6C63FF;
    --gradient-end: #8E44AD;
    --transition: all 0.3s ease;
    --nav-bg: rgba(18, 18, 18, 0.8);
    --nav-bg-scrolled: rgba(18, 18, 18, 0.95);
    --nav-shadow: none;
    --nav-shadow-scrolled: 0 4px 20px rgba(0, 0, 0, 0.3);
    --nav-text: #e6f1ff;
    --nav-text-hover: #6C63FF;
    --hero-bg: transparent;
    --button-bg: rgba(108, 99, 255, 0.1);
    --button-hover: rgba(108, 99, 255, 0.2);
    --button-text: #e6f1ff;
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --section-bg: rgba(18, 18, 18, 0.7);
    --footer-bg: #0F0F0F;
    --footer-text: #8892b0;
    --border-color: rgba(108, 99, 255, 0.2);
    --cli-bg: #1E1E1E;
    --cli-header: #121212;
    --cli-text: #e6f1ff;
    --code-bg: #1E1E1E;
    --code-text: #e6f1ff;
    --contact-form-bg: rgba(30, 30, 30, 0.7);
    --contact-form-label: #e6f1ff;
    --contact-form-input-bg: rgba(18, 18, 18, 0.7);
    --contact-form-input-text: #e6f1ff;
    --contact-submit-bg: #6C63FF; 
    --contact-submit-hover: #8E44AD;
    --contact-submit-text: #ffffff;
    --terminal-cursor: #00FFCC;
    --glass-bg: rgba(30, 30, 30, 0.25);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --border-radius: 16px;
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-color: #f8f9fa;
    --text-color: #2d3748;
    --heading-color: #1a202c;
    --secondary-color: #4a5568;
    --primary-color: #4a5af4;
    --hover-color: #3a47d5;
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-hover: #ffffff;
    --card-border: rgba(74, 90, 244, 0.15);
    --nav-bg: rgba(255, 255, 255, 0.95);
    --nav-bg-scrolled: #ffffff;
    --nav-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    --nav-shadow-scrolled: 0 4px 12px rgba(0, 0, 0, 0.05);
    --input-bg: #ffffff;
    --input-border: #e2e8f0;
    --input-focus: rgba(74, 90, 244, 0.3);
    --gradient-start: #4a5af4;
    --gradient-end: #7b68ee;
    --nav-text: #2d3748;
    --nav-text-hover: #4a5af4;
    --hero-bg: transparent;
    --button-bg: rgba(74, 90, 244, 0.1);
    --button-hover: rgba(74, 90, 244, 0.2);
    --button-text: #2d3748;
    --card-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    --section-bg: rgba(250, 250, 255, 0.7);
    --footer-bg: #f8f9fa;
    --footer-text: #4a5568;
    --border-color: rgba(74, 90, 244, 0.15);
    --cli-bg: #f8f9fa;
    --cli-header: #edf2f7;
    --cli-text: #2d3748;
    --code-bg: #f8f9fa;
    --code-text: #2d3748;
    --contact-form-bg: rgba(255, 255, 255, 0.9);
    --contact-form-label: #2d3748;
    --contact-form-input-bg: #ffffff;
    --contact-form-input-text: #2d3748;
    --contact-submit-bg: #4a5af4;
    --contact-submit-hover: #3a47d5;
    --contact-submit-text: #ffffff;
    --terminal-cursor: #4a5af4;
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.8);
    --glass-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --border-radius: 16px;
}

/* Basic styles */
body {
    font-family: 'Fira Code', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at top right, rgba(142, 68, 173, 0.1), transparent 40%), 
                      radial-gradient(circle at bottom left, rgba(108, 99, 255, 0.1), transparent 40%);
    background-attachment: fixed;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--heading-color);
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

p {
    margin-bottom: 1rem;
    color: var(--text-color);
    transition: color 0.3s ease;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--hover-color);
}

section {
    padding: 5rem 2rem;
    margin-bottom: 2rem;
    transition: background-color 0.3s ease;
    position: relative;
    border-radius: var(--border-radius);
}

/* Glassmorphism effect for sections */
.glassmorphism {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--border-radius);
}

/* Header styles - universal properties */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 2rem;
    background-color: var(--nav-bg);
    box-shadow: var(--nav-shadow);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.main-header.scrolled {
    background-color: var(--nav-bg-scrolled);
    box-shadow: var(--nav-shadow-scrolled);
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: 0.1rem;
    text-shadow: 0 0 10px rgba(0, 255, 157, 0.3);
    transition: var(--transition);
}

.logo:hover {
    color: var(--hover-color);
}

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

.nav-links a {
    color: var(--nav-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:hover, 
.nav-links a.active {
    color: var(--nav-text-hover);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--nav-text);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    color: var(--nav-text-hover);
    transform: rotate(15deg);
}

/* Mobile Menu Styles */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--nav-text);
    cursor: pointer;
    font-size: 1.5rem;
    transition: var(--transition);
    z-index: 1010;
}

.mobile-menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .main-header {
        padding: 1rem;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background-color: var(--nav-bg-scrolled);
        box-shadow: var(--nav-shadow-scrolled);
        width: 80%;
        max-width: 300px;
        height: calc(100vh - 70px);
        padding: 2rem;
        gap: 1.5rem;
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }
    
    .nav-links a {
        display: block;
        width: 100%;
        padding: 0.75rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    [data-theme="light"] .nav-links a {
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    body.menu-open .mobile-menu-backdrop {
        opacity: 1;
        visibility: visible;
    }
}

/* Adjusting main content to account for fixed header */
main {
    padding-top: 80px;
}

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.05) 0%, rgba(142, 68, 173, 0.05) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    z-index: 2;
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--glass-shadow);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradient-shift 8s ease infinite;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.bio {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
    transition: color 0.3s ease;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    margin: 0.5rem;
    background-color: var(--button-bg);
    color: var(--button-text);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s;
    z-index: -1;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    background-color: var(--button-hover);
    transform: translateY(-3px);
}

.cta-button.secondary {
    background-color: transparent;
    border: 1px solid var(--primary-color);
}

/* About Quick Links */
.about-quick-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.quick-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    padding: 1rem;
    border-radius: 10px;
    background-color: var(--card-bg);
    box-shadow: var(--card-shadow);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.quick-link:hover {
    transform: translateY(-5px);
    color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.quick-link i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.quick-link:hover i {
    opacity: 1;
    transform: scale(1.05);
}

.quick-link span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    transition: color 0.3s ease;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .about-quick-links {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .quick-link {
        width: 100%;
        max-width: 200px;
        padding: 0.8rem;
    }

    .quick-link i {
        font-size: 1.3rem;
    }

    .quick-link span {
        font-size: 0.85rem;
    }
}

/* Terminal Interface */
.cli-interface {
    margin-top: 2rem;
    width: 100%;
    max-width: 800px;
    height: 350px;
    background-color: var(--cli-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.cli-header {
    background-color: var(--cli-header);
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
    transition: background-color 0.3s ease, border-bottom-color 0.3s ease;
}

.cli-title {
    color: var(--cli-text);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.cli-controls {
    display: flex;
    gap: 0.5rem;
}

.cli-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
}

.cli-button.close { background-color: #ff5f56; }
.cli-button.minimize { background-color: #ffbd2e; }
.cli-button.maximize { background-color: #27c93f; }

.cli-body {
    padding: 1rem;
    height: calc(100% - 45px);
    overflow-y: auto;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    position: relative;
}

.cli-output {
    margin-bottom: 1rem;
}

.cli-line {
    color: var(--cli-text);
    margin-bottom: 0.5rem;
    white-space: pre-wrap;
    transition: color 0.3s ease;
}

.cli-line.error { color: #ff5f56; }
.cli-line.success { color: #27c93f; }

.cli-input-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cli-prompt {
    color: var(--primary-color);
    margin-right: 0.5rem;
    font-weight: bold;
}

.cli-cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background-color: var(--terminal-cursor);
    animation: blink 1s step-end infinite;
    vertical-align: middle;
    margin-left: 2px;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.cli-input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--cli-text);
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    width: 80%;
    caret-color: var(--terminal-cursor);
}

/* Live Code Editor */
.code-editor {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    background-color: var(--section-bg);
    border-radius: 10px;
    transition: background-color 0.3s ease;
}

.editor.cli-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--cli-header);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.editor-tabs {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    background-color: var(--cli-header);
    border-bottom: 1px solid var(--glass-border);
    overflow-x: auto;
    flex-wrap: wrap;
    transition: background-color 0.3s ease, border-bottom-color 0.3s ease;
}

.tab-btn {
    padding: 0.5rem 1rem;
    background: none;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.tab-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--bg-color);
}

.editor-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 1rem;
    min-height: 500px;
}

.editor-pane, .preview-pane {
    background-color: var(--code-bg);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease;
}

.editor-header, .preview-header {
    padding: 0.8rem 1rem;
    background-color: var(--cli-header);
    border-bottom: 1px solid var(--glass-border);
    transition: background-color 0.3s ease, border-bottom-color 0.3s ease;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.editor-title, .preview-title {
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.editor-controls {
    display: flex;
    gap: 0.5rem;
}

.run-btn, .reset-btn {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    background: none;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.run-btn:hover, .reset-btn:hover {
    background-color: var(--primary-color);
    color: var(--bg-color);
}

.editor-body, .preview-body {
    flex: 1;
    padding: 1rem;
}

.editor-textarea {
    width: 100%;
    height: 100%;
    background-color: var(--code-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--code-text);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    padding: 1rem;
    resize: none;
    display: none;
    tab-size: 4;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.editor-textarea.active {
    display: block;
}

.preview-body {
    background-color: #ffffff;
}

.preview-frame {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 4px;
    display: none;
}

.preview-frame.active {
    display: block;
}

.preview-output {
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    overflow-y: auto;
    display: none;
}

.preview-output a {
    color: #0066cc;
    text-decoration: underline;
}

.preview-output h1, .preview-output h2, .preview-output h3, .preview-output h4, .preview-output h5, .preview-output h6 {
    color: #333333;
}

.preview-output.active {
    display: block;
}

/* Light mode styles */
[data-theme="light"] .cli-interface,
[data-theme="light"] .editor-container {
    background-color: #ffffff;
    border: 1px solid var(--card-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .cli-header,
[data-theme="light"] .editor-header,
[data-theme="light"] .preview-header {
    background-color: var(--card-bg);
    border-bottom-color: var(--card-border);
}

[data-theme="light"] .cli-body,
[data-theme="light"] .editor-body {
    background-color: #ffffff;
}

[data-theme="light"] .editor-textarea {
    background-color: #ffffff;
    border-color: var(--input-border);
}

[data-theme="light"] .tab-btn {
    border-color: var(--input-border);
}

[data-theme="light"] .tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

[data-theme="light"] .tab-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

/* Responsive styles */
@media (max-width: 768px) {
    .editor-content {
        grid-template-columns: 1fr;
    }

    .cli-interface {
        margin: 1rem;
    }

    .code-editor {
        padding: 4rem 1rem;
    }

    .editor-container {
        margin: 0 1rem;
    }

    .editor-tabs {
        padding: 0.8rem;
    }

    .tab-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .cli-header,
    .editor-header,
    .preview-header {
        padding: 0.6rem 0.8rem;
    }

    .editor-tabs {
        padding: 0.8rem;
    }

    .tab-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }

    .editor-content {
        padding: 0.8rem;
    }

    .editor-body,
    .preview-body {
        padding: 0.8rem;
    }
}

/* Skills Section */
.skills {
    padding: 6rem 2rem;
    background-color: var(--section-bg);
    text-align: center;
    border-radius: 10px;
    transition: background-color 0.3s ease;
}

.skills h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--heading-color);
    font-size: 2.5rem;
    transition: color 0.3s ease;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    min-height: 600px; /* Minimum height to ensure consistent layout */
}

.skill-category {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 400px; /* Minimum height for each category */
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.5rem;
    text-align: center;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    transition: color 0.3s ease, border-bottom-color 0.3s ease;
}

.skill-item {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    flex: 1; /* Allow items to grow and fill space */
    opacity: 1 !important;
    transform: none !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
}

.skill-item:hover {
    transform: translateY(-3px) !important; /* Override any GSAP transforms */
    background-color: var(--card-bg);
    border-color: var(--primary-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.skill-item i {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.skill-item:hover i {
    opacity: 1;
    transform: scale(1.05);
}

.skill-item h4 {
    color: var(--heading-color);
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
    opacity: 1;
    transition: color 0.3s ease;
}

/* Projects Section */
.projects {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.projects h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--heading-color);
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    transition: color 0.3s ease;
}

.projects h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: background-color 0.3s ease;
}

.projects-controls {
    max-width: 800px;
    margin: 0 auto 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.search-box {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.search-box input {
    width: 100%;
    padding: 1rem 3rem 1rem 1.5rem;
    border: 2px solid var(--input-border);
    border-radius: 8px;
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--input-focus);
}

.search-box i {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary-color);
    pointer-events: none;
    transition: color 0.3s ease;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 0 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    overflow: hidden;
    min-height: 100px;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
}

.project-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 255, 157, 0.1);
}

.project-card h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin: 0;
    text-align: center;
    font-weight: 500;
    transition: color 0.3s ease;
}

.project-links {
    display: flex;
    justify-content: center;
    margin-top: auto;
}

.github-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

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

.github-link i {
    font-size: 1rem;
}

/* Light mode styles for projects */
[data-theme="light"] .project-card {
    background-color: #ffffff;
    border: 1px solid var(--card-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .project-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(0, 130, 85, 0.15);
}

[data-theme="light"] .project-card h3 {
    color: var(--primary-color);
}

[data-theme="light"] .github-link {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

[data-theme="light"] .github-link:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* Responsive styles for projects */
@media (max-width: 768px) {
    .project-card {
        padding: 1.2rem;
        min-height: 90px;
    }

    .project-card h3 {
        font-size: 1.1rem;
    }

    .github-link {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .project-card {
        padding: 1rem;
        min-height: 80px;
    }

    .project-card h3 {
        font-size: 1rem;
    }

    .github-link {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

/* Loading and error states */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.error-message {
    text-align: center;
    padding: 2rem;
    color: #ff5f56;
    font-size: 1.1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.error-message i {
    font-size: 2rem;
}

/* Contact Section */
.contact {
    text-align: center;
    padding: 5rem 1rem;
}

.contact h2 {
    margin-bottom: 3rem;
    color: var(--heading-color);
    font-size: 2.5rem;
    transition: color 0.3s ease;
}

.contact-content {
    display: flex;
    flex-direction: column;
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--contact-form-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--contact-form-label);
    font-weight: 500;
    transition: color 0.3s ease;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    background-color: var(--contact-form-input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--contact-form-input-text);
    transition: var(--transition);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--input-focus);
}

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

.submit-btn {
    background-color: var(--contact-submit-bg);
    color: var(--contact-submit-text);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    width: 100%;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s;
    z-index: -1;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    background-color: var(--contact-submit-hover);
    transform: translateY(-3px);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Social links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
}

.social-link {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: all 0.3s ease;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--button-bg);
}

.social-link:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
    background-color: var(--button-hover);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--footer-text);
    background-color: var(--footer-bg);
    border-top: 1px solid var(--border-color);
    transition: background-color 0.3s ease, color 0.3s ease, border-top-color 0.3s ease;
}

/* Responsive Design */
@media (min-width: 1441px) {
    .hero,
    .skills-grid,
    .stats-container,
    .projects-grid,
    .contribution-graph {
        max-width: 1600px;
    }
}

@media (max-width: 1200px) {
    .hero,
    .skills-grid,
    .stats-container,
    .projects-grid,
    .contribution-graph {
        max-width: 1100px;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        min-height: 500px;
    }

    .skill-category {
        min-height: 350px;
    }

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

@media (max-width: 768px) {
    .hero {
        padding: 0 1.5rem;
    }

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

    .bio {
        font-size: 1.2rem;
        padding: 0 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        padding: 0 1rem;
    }

    .cta-button {
        width: 100%;
        min-width: 100%;
        padding: 1rem 2rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        min-height: auto;
    }

    .skill-category {
        min-height: 300px;
    }

    .skill-item {
        min-height: 100px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .bio {
        font-size: 1.1rem;
    }

    section {
        padding: 4rem 1rem;
    }

    section h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .cta-button {
        font-size: 1rem;
        padding: 0.9rem 1.8rem;
    }

    .skills {
        padding: 4rem 1rem;
    }

    .skill-category {
        min-height: 250px;
        padding: 1.5rem;
    }

    .skill-item {
        min-height: 90px;
        padding: 1rem;
    }
}

/* Section Headers */
section h2 {
    font-size: 2.5rem;
    color: var(--heading-color);
    text-align: center;
    margin-bottom: 3rem;
    width: 100%;
    position: relative;
    transition: color 0.3s ease;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: background-color 0.3s ease;
}

/* Form Messages */
.form-message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    text-align: center;
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

.form-message.success {
    background-color: rgba(0, 255, 157, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.form-message.error {
    background-color: rgba(255, 0, 0, 0.1);
    border: 1px solid #ff0000;
    color: #ff0000;
}

@keyframes slideIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* Optimize loading states */
.skeleton {
    background: linear-gradient(90deg, var(--card-bg) 25%, var(--bg-color) 50%, var(--card-bg) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* GitHub Stats Section */
.github-stats {
    padding: 6rem 2rem;
    background-color: var(--section-bg);
    width: 100%;
    text-align: center;
    border-radius: 10px;
    transition: background-color 0.3s ease;
}

.github-stats h2 {
    text-align: center;
    color: var(--heading-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
    opacity: 1 !important;
    transition: color 0.3s ease;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

.stats-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
}

.stats-card:hover {
    transform: translateY(-5px) !important;
    background-color: var(--card-hover);
    border-color: var(--primary-color);
    box-shadow: 0 8px 16px rgba(0, 255, 157, 0.1);
}

.stats-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.stats-card:hover i {
    opacity: 1;
    transform: scale(1.1);
}

.stats-card h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    font-weight: 500;
    opacity: 1 !important;
    transition: color 0.3s ease;
}

.stats-value {
    font-size: 2.2rem;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 255, 157, 0.3);
    opacity: 1 !important;
    display: block !important;
    transition: color 0.3s ease;
}

[data-theme="dark"] .stats-value {
    text-shadow: 0 0 10px rgba(0, 255, 157, 0.3);
}

.contribution-graph {
    max-width: 1400px;
    margin: 3rem auto;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: 10px;
    transition: background-color 0.3s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
}

.contribution-calendar {
    width: 100%;
    overflow-x: auto;
    padding: 1.5rem;
    background-color: var(--card-hover);
    border-radius: 8px;
    margin-top: 1.5rem;
    display: block !important;
    opacity: 1 !important;
    transition: background-color 0.3s ease;
}

.graph-container {
    width: 100%;
    min-height: 150px;
    display: flex !important;
    justify-content: center;
    align-items: center;
    opacity: 1 !important;
}

.contribution-img {
    width: 100%;
    max-width: 1000px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: block !important;
    opacity: 1 !important;
}

.graph-note {
    text-align: center;
    color: var(--text-color);
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.8;
    transition: color 0.3s ease;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* Optimize loading states */
.skeleton {
    background: linear-gradient(90deg, var(--card-bg) 25%, var(--bg-color) 50%, var(--card-bg) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Responsive adjustments for GitHub Stats */
@media (max-width: 1024px) {
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        padding: 0;
    }
    
    .contribution-graph {
        margin: 2rem 1rem;
    }
}

@media (max-width: 768px) {
    .github-stats {
        padding: 4rem 1rem;
    }

    .stats-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .stats-card {
        min-height: 180px;
    }
}

@media (max-width: 480px) {
    .github-stats h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .stats-card {
        min-height: 160px;
        padding: 1.5rem;
    }

    .stats-card i {
        font-size: 2rem;
    }

    .stats-value {
        font-size: 1.8rem;
    }

    .contribution-graph {
        padding: 1.5rem;
        margin: 1.5rem 0.5rem;
    }
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    header {
        height: 60px;
        padding: 0;
    }

    nav {
        height: 100%;
        padding: 0 1rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .logo {
        font-size: 1.5rem;
        padding: 0;
    }

    .header-controls {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .mobile-menu-toggle {
        display: flex;
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
        background-color: rgba(0, 255, 157, 0.1);
        border-radius: 50%;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
        z-index: 1010;
    }

    .theme-toggle {
        display: flex;
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
        background-color: rgba(0, 255, 157, 0.1);
        border-radius: 50%;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
    }

    .mobile-menu-toggle:hover,
    .theme-toggle:hover {
        background-color: rgba(0, 255, 157, 0.2);
        color: var(--primary-color);
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--bg-color);
        padding: 80px 20px;
        flex-direction: column;
        align-items: flex-start;
        transition: right 0.3s ease;
        z-index: 999;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        display: none; /* Hide by default */
    }

    .nav-links.active {
        right: 0;
        display: flex; /* Show when active */
    }

    .nav-links a {
        width: 100%;
        padding: 15px 0;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--border-color);
        opacity: 0;
        transform: translateX(20px);
        transition: all 0.3s ease;
    }

    .nav-links.active a {
        opacity: 1;
        transform: translateX(0);
    }

    body.menu-open {
        overflow: hidden;
    }
}

/* Light mode mobile menu */
[data-theme="light"] .nav-links {
    background-color: var(--nav-bg);
    border-left: 1px solid var(--card-border);
}

[data-theme="light"] .nav-links a {
    border-bottom-color: var(--card-border);
}

[data-theme="light"] .mobile-menu-toggle {
    background-color: rgba(0, 130, 85, 0.1);
}

[data-theme="light"] .mobile-menu-toggle:hover {
    background-color: rgba(0, 130, 85, 0.2);
}

/* Desktop Navigation */
@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none;
    }

    .nav-links {
        display: flex;
        position: static;
        background: none;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .nav-links li {
        opacity: 1;
        transform: none;
    }

    .nav-links a {
        padding: 0.5rem 1rem;
        border-bottom: none;
    }

    .nav-links a:hover {
        color: var(--primary-color);
        background: none;
    }
}

/* Optimize animations */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Optimize images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Optimize transitions */
.transition {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Optimize layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Optimize media queries */
@media screen and (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }
}

/* Optimize animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* Optimize loading states */
.skeleton {
    background: linear-gradient(90deg, var(--card-bg) 25%, var(--bg-color) 50%, var(--card-bg) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}