/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans:wght@400;500;600;700&family=Noto+Sans+Devanagari:wght@400;500;600;700&display=swap');

:root {
    /* Font Families */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Noto Sans', sans-serif;
    --font-devanagari: 'Noto Sans Devanagari', sans-serif;
    
    /* Dark theme colors */
    --primary: #0a0a0a;
    --secondary: #121212;
    --accent: #1a1a1a;
    --text: #f5f5f5;
    --text-secondary: #d0d0d0;
    --gradient-dark: linear-gradient(135deg, #0a0a0a, #121212);
    --gradient-accent: linear-gradient(135deg, #121212, #1a1a1a);
    --gradient-light: linear-gradient(135deg, #1a1a1a, #222222);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --header-bg: rgba(10, 10, 10, 0.98);
    --accent-color: #4a4a4a;
}

/* Light theme colors */
.light-theme {
    --primary: #ffffff;
    --secondary: #f5f5f5;
    --accent: #e0e0e0;
    --text: #1a1a1a;
    --text-secondary: #4a4a4a;
    --gradient-dark: linear-gradient(135deg, #ffffff, #f5f5f5);
    --gradient-accent: linear-gradient(135deg, #f5f5f5, #e0e0e0);
    --gradient-light: linear-gradient(135deg, #e0e0e0, #d0d0d0);
    --card-bg: rgba(0, 0, 0, 0.05);
    --card-border: rgba(0, 0, 0, 0.1);
    --header-bg: rgba(255, 255, 255, 0.95);
    --accent-color: #4a4a4a;
}

/* Vibrant theme colors */
.vibrant-theme {
    --primary: #ff6b35;
    --secondary: #2e294e;
    --accent: #1b9aaa;
    --text: #2e294e;
    --text-secondary: #1a1a1a;
    --background: #f7f7f7;
    --card-bg: #ffffff;
    --card-border: rgba(46, 41, 78, 0.1);
    --gradient-dark: linear-gradient(135deg, #ff6b35, #ff8c61);
    --gradient-light: linear-gradient(135deg, #ff8c61, #ffa07a);
    --gradient-accent: linear-gradient(135deg, #1b9aaa, #4bb5c1);
    --gradient-rainbow: linear-gradient(135deg, #ff6b35, #ff8c61, #1b9aaa, #2e294e);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text);
    background: var(--primary);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 300;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
    font-family: var(--font-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text);
    transition: width 0.3s ease;
}

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

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

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    position: relative;
    padding-top: 120px;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-left {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--card-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(2deg);
    }
    100% {
        transform: translateY(0px) rotate(0deg);
    }
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

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

.hero-left h1 {
    color: var(--text);
    font-size: 3.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-left .subtitle {
    color: var(--text);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-description {
    color: var(--text);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 600px;
    font-family: var(--font-secondary);
}

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

.hero-tag {
    color: var(--text);
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
    font-family: var(--font-primary);
}

.hero-tag:hover {
    background: var(--card-bg);
    transform: translateY(-2px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    margin-bottom: 2rem;
}

.hero-stat {
    color: var(--text);
    text-align: center;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 5px;
    transition: transform 0.3s ease;
}

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

.hero-stat .stat-number {
    font-size: 2rem;
    font-weight: 300;
    display: block;
    margin-bottom: 0.5rem;
    font-family: var(--font-primary);
}

.hero-stat .stat-label {
    font-size: 0.9rem;
    color: var(--text);
    font-family: var(--font-primary);
}

/* Sections */
section {
    padding: 8rem 0;
    position: relative;
}

h2 {
    color: var(--text);
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    text-align: center;
}

h2:after {
    content: '';
    position: absolute;
    width: 50%;
    height: 1px;
    bottom: -10px;
    left: 0;
    background: var(--text-secondary);
}

/* About Section */
.about-section {
    background: var(--gradient-accent);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

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

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

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 5px;
    transition: transform 0.3s ease;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-family: var(--font-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-family: var(--font-primary);
}

/* Expertise Section */
.expertise-section {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.expertise-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.expertise-card {
    padding: 2.5rem;
    background: var(--card-bg);
    border-radius: 15px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        transparent 100%);
    transition: transform 0.4s ease;
}

.expertise-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.expertise-card:hover::before {
    transform: scale(1.1);
}

.expertise-card h3 {
    color: var(--text);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 300;
    position: relative;
    padding-bottom: 1rem;
    font-family: var(--font-primary);
}

.expertise-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--text-secondary);
    transition: width 0.3s ease;
}

.expertise-card:hover h3::after {
    width: 100px;
}

.expertise-card ul {
    list-style: none;
    padding: 0;
}

.expertise-card li {
    color: var(--text);
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.5rem;
    transition: transform 0.3s ease, color 0.3s ease;
    font-family: var(--font-primary);
}

.expertise-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--text-secondary);
    transition: transform 0.3s ease;
}

.expertise-card li:hover {
    transform: translateX(10px);
    color: var(--text);
}

.expertise-card li:hover::before {
    transform: translateX(5px);
}

/* Experience Section */
.experience-section {
    background: var(--gradient-accent);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 5px;
    margin-bottom: 2rem;
    transition: transform 0.3s ease;
}

.timeline-item:hover {
    transform: translateX(10px);
}

.timeline-item h3 {
    color: var(--text);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
    font-family: var(--font-primary);
}

.timeline-item h4 {
    color: var(--text);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-family: var(--font-primary);
}

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

.timeline-item p {
    color: var(--text);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-family: var(--font-secondary);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    padding: 0.3rem 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-primary);
}

/* Projects Section */
.projects-section {
    background: var(--gradient-dark);
}

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

.project-card {
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: center;
    border-bottom: 1px solid var(--card-border);
}

.project-card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text);
    font-family: var(--font-primary);
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex-grow: 1;
    font-family: var(--font-secondary);
}

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

.project-card .tech-tag {
    padding: 0.3rem 0.8rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-primary);
}

/* Contact Section */
.contact-section {
    background: var(--gradient-accent);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    color: var(--text);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 400;
    font-family: var(--font-primary);
}

.contact-info p {
    color: var(--text);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    font-family: var(--font-secondary);
}

.client-types {
    list-style: none;
    margin-bottom: 2rem;
}

.client-types li {
    color: var(--text);
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.5rem;
}

.client-types li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--text-secondary);
}

.contact-details p {
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-family: var(--font-primary);
}

.contact-details i {
    color: var(--text-secondary);
}

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

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 5px;
    color: var(--text);
    font-size: 1rem;
    font-family: var(--font-primary);
}

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

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--card-bg);
    color: var(--text);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 300;
    transition: all 0.3s ease;
    border: 1px solid var(--card-border);
    margin-top: 2rem;
    font-family: var(--font-primary);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
    background: var(--gradient-dark);
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer-content {
    position: relative;
    z-index: 1;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 1rem;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
    font-family: var(--font-primary);
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text);
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: var(--text);
}

.footer-links a:hover::after {
    width: 100%;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.social-links a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.3s ease;
    z-index: -1;
}

.social-links a:hover {
    color: var(--text);
    transform: translateY(-5px);
}

.social-links a:hover::before {
    transform: translate(-50%, -50%) scale(1);
}

.copyright {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    position: relative;
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.copyright::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: var(--card-border);
}

.copyright-text {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.copyright-text span {
    position: relative;
    padding: 0.5rem 0;
}

.copyright-text span:nth-child(1) {
    font-family: var(--font-devanagari);
    font-size: 1.1rem;
    color: var(--text);
    animation: flow 8s ease-in-out infinite;
    background: linear-gradient(90deg, var(--text), var(--text-secondary), var(--text));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.copyright-text span:nth-child(2) {
    color: var(--text-secondary);
    font-size: 0.9rem;
    animation: pulse 4s ease-in-out infinite;
}

.copyright-text span:nth-child(3) {
    color: var(--text-secondary);
    font-size: 0.9rem;
    animation: fade 6s ease-in-out infinite;
}

@keyframes flow {
    0% {
        background-position: 0% center;
    }
    50% {
        background-position: 100% center;
    }
    100% {
        background-position: 0% center;
    }
}

@keyframes pulse {
    0% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    100% {
        opacity: 0.7;
        transform: scale(1);
    }
}

@keyframes fade {
    0% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0.7;
    }
}

@media (max-width: 768px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .stats-grid,
    .expertise-grid {
        grid-template-columns: 1fr;
    }

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

    .hero {
        padding-top: 100px;
    }

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

    .hero-image {
        width: 150px;
        height: 150px;
    }

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

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .nav-links {
        padding: 0.5rem;
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.9rem;
    }

    .project-card img {
        height: 150px;
    }

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

    .expertise-card {
        padding: 2rem;
    }

    .footer-links {
        gap: 1.5rem;
    }

    .social-links {
        gap: 1.5rem;
    }

    .copyright-text {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .copyright-text span {
        padding: 0.2rem 0;
    }

    .theme-toggle {
        width: 35px;
        height: 35px;
    }
}

/* Theme Toggle Button */
.theme-toggle-container {
    position: relative;
}

.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.theme-toggle i {
    position: absolute;
    transition: opacity 0.3s ease;
}

.theme-toggle i.fa-moon {
    opacity: 1;
}

.theme-toggle i.fa-sun {
    opacity: 0;
}

.light-theme .theme-toggle i.fa-moon {
    opacity: 0;
}

.light-theme .theme-toggle i.fa-sun {
    opacity: 1;
}

@media (max-width: 768px) {
    .theme-toggle {
        width: 35px;
        height: 35px;
    }
}

/* Vibrant Theme Specific Styles */
.vibrant-theme .hero:before {
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 107, 107, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(78, 205, 196, 0.1) 0%, transparent 50%);
}

.vibrant-theme .hero-stat,
.vibrant-theme .expertise-card,
.vibrant-theme .timeline-item,
.vibrant-theme .project-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.vibrant-theme .hero-stat:hover,
.vibrant-theme .expertise-card:hover,
.vibrant-theme .timeline-item:hover,
.vibrant-theme .project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.vibrant-theme .tech-tag {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
}

.vibrant-theme .hero-tag {
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.2);
    color: #4ecdc4;
}

.vibrant-theme .hero-tag:hover {
    background: rgba(78, 205, 196, 0.2);
}

.vibrant-theme .contact-form input,
.vibrant-theme .contact-form textarea {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.vibrant-theme .cta-button {
    background: #ff6b6b;
    color: white;
    border: none;
}

.vibrant-theme .cta-button:hover {
    background: #ff5252;
}

.vibrant-theme .nav-links a:after {
    background: #ff6b6b;
}

.vibrant-theme .subtitle:after {
    background: #4ecdc4;
}

.vibrant-theme .stat-number {
    color: #ff6b6b;
}

.vibrant-theme .stat-label {
    color: #4ecdc4;
}

/* Smooth theme transition */
body {
    transition: background-color 0.3s ease, color 0.3s ease;
}

* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Update specific elements for better contrast in dark mode */
:not(.light-theme) .hero:before {
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
}

:not(.light-theme) .hero-stat,
:not(.light-theme) .expertise-card,
:not(.light-theme) .timeline-item,
:not(.light-theme) .project-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

:not(.light-theme) .hero-stat:hover,
:not(.light-theme) .expertise-card:hover,
:not(.light-theme) .timeline-item:hover,
:not(.light-theme) .project-card:hover {
    background: rgba(255, 255, 255, 0.04);
}

:not(.light-theme) .tech-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

:not(.light-theme) .hero-tag {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

:not(.light-theme) .hero-tag:hover {
    background: rgba(255, 255, 255, 0.05);
}

:not(.light-theme) .contact-form input,
:not(.light-theme) .contact-form textarea {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

:not(.light-theme) .theme-toggle {
    color: var(--text);
}

:not(.light-theme) .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}

:not(.light-theme) .theme-toggle .fa-moon {
    color: var(--text);
}

/* Projects List Section */
.projects-list-section {
    background: var(--gradient-dark);
    padding: 0;
    position: relative;
    overflow: hidden;
    margin-top: -2rem;
    z-index: 1;
}

.projects-tags-container {
    width: 100%;
    margin: 0;
    padding: 0;
    position: relative;
    overflow: hidden;
    background: var(--gradient-accent);
    height: 60px;
    display: flex;
    align-items: center;
}

.projects-label {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 200px;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text);
    z-index: 2;
    padding: 0 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 300;
    border-right: 1px solid var(--card-border);
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.projects-tags {
    display: flex;
    gap: 0;
    animation: marquee 40s linear infinite;
    white-space: nowrap;
    padding: 0.8rem 0;
    will-change: transform;
    margin-left: 200px;
    height: 100%;
    align-items: center;
}

.projects-tags:hover {
    animation-play-state: paused;
}

.project-tag {
    padding: 0.5rem 1.5rem;
    background: var(--card-bg);
    border: none;
    border-radius: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-width: fit-content;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: none;
    backdrop-filter: blur(5px);
    border-right: 1px solid var(--card-border);
    height: 100%;
    white-space: nowrap;
    font-family: var(--font-primary);
}

/* Remove any conflicting styles */
.projects-tags::before {
    display: none;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Theme-specific styles for project tags */
.dark-theme .project-tag {
    background: rgba(255, 255, 255, 0.03);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.light-theme .project-tag {
    background: rgba(0, 0, 0, 0.05);
    border-right: 1px solid rgba(0, 0, 0, 0.1);
}

.vibrant-theme .project-tag {
    background: rgba(255, 255, 255, 0.1);
    border-right: 1px solid rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
}

.vibrant-theme .project-tag:hover {
    background: rgba(255, 107, 107, 0.1);
    color: #ff5252;
}

/* Responsive styles for project tags */
@media (max-width: 768px) {
    .projects-tags {
        margin-left: 150px;
    }

    .projects-label {
        width: 150px;
        font-size: 1rem;
    }

    .project-tag {
        padding: 0.4rem 1rem;
        font-size: 0.8rem;
    }
}

/* Theme-specific styles */
.dark-theme {
    --bg: #0a0a0a;
    --text: #ffffff;
    --text-secondary: #b3b3b3;
    --accent: #4a90e2;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --gradient-dark: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    --gradient-accent: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
}

.light-theme {
    --bg: #ffffff;
    --text: #333333;
    --text-secondary: #666666;
    --accent: #4a90e2;
    --card-bg: rgba(0, 0, 0, 0.02);
    --card-border: rgba(0, 0, 0, 0.1);
    --gradient-dark: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
    --gradient-accent: linear-gradient(135deg, #f5f5f5 0%, #e5e5e5 100%);
}

.vibrant-theme {
    --bg: #2c3e50;
    --text: #ecf0f1;
    --text-secondary: #bdc3c7;
    --accent: #e67e22;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(231, 126, 34, 0.2);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    --gradient-accent: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
    --brand-accent: #e67e22;
    --brand-accent-dark: #d35400;
    --gradient-accent: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    --gradient-rainbow: linear-gradient(135deg, #e67e22 0%, #d35400 50%, #e67e22 100%);
}

.vibrant-theme .hero-tag {
    background: rgba(231, 126, 34, 0.1);
    border: 1px solid rgba(231, 126, 34, 0.2);
    color: #e67e22;
}

.vibrant-theme .hero-tag:hover {
    background: rgba(231, 126, 34, 0.2);
    color: #d35400;
}

.vibrant-theme .cta-button {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    color: #ecf0f1;
}

.vibrant-theme .cta-button:hover {
    background: linear-gradient(135deg, #d35400 0%, #e67e22 100%);
}

.vibrant-theme .project-tag {
    background: rgba(231, 126, 34, 0.1);
    border-right: 1px solid rgba(231, 126, 34, 0.2);
    color: #e67e22;
}

.vibrant-theme .project-tag:hover {
    background: rgba(231, 126, 34, 0.2);
    color: #d35400;
}

.vibrant-theme .expertise-card {
    background: rgba(231, 126, 34, 0.05);
    border: 1px solid rgba(231, 126, 34, 0.1);
}

.vibrant-theme .expertise-card:hover {
    background: rgba(231, 126, 34, 0.1);
    border-color: rgba(231, 126, 34, 0.2);
}

.vibrant-theme .timeline-item {
    background: rgba(231, 126, 34, 0.05);
    border: 1px solid rgba(231, 126, 34, 0.1);
}

.vibrant-theme .timeline-item:hover {
    background: rgba(231, 126, 34, 0.1);
    border-color: rgba(231, 126, 34, 0.2);
}

.vibrant-theme .tech-tag {
    background: rgba(231, 126, 34, 0.1);
    border: 1px solid rgba(231, 126, 34, 0.2);
    color: #e67e22;
}

.vibrant-theme .tech-tag:hover {
    background: rgba(231, 126, 34, 0.2);
    color: #d35400;
}

/* Book Section */
.book-section {
    padding: 6rem 0;
    background: var(--gradient-dark);
    position: relative;
}

.book-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.book-image-section {
    position: relative;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.book-image-section:hover {
    transform: translateY(-5px);
}

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

.book-details-section {
    color: var(--text);
}

.book-title {
    color: var(--text);
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: var(--font-primary);
}

.book-subtitle {
    color: var(--text);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-family: var(--font-primary);
}

.book-isbn {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-family: var(--font-secondary);
}

.book-rating {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stars {
    display: flex;
    gap: 0.2rem;
}

.star {
    color: #ffd700;
    font-size: 1.2rem;
}

.rating-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: var(--font-secondary);
}

.book-description {
    color: var(--text);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-family: var(--font-secondary);
}

.book-purchase {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.book-price {
    font-size: 1.5rem;
    color: var(--text);
    font-weight: 300;
    font-family: var(--font-primary);
}

.about-book {
    max-width: 1200px;
    margin: 4rem auto 0;
    padding: 0 2rem;
}

.about-book-content {
    margin-top: 2rem;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--card-border);
}

.about-book-text h4 {
    font-size: 1.5rem;
    color: var(--text);
    margin-bottom: 1.5rem;
    font-weight: 300;
    font-family: var(--font-primary);
}

.about-book-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-family: var(--font-secondary);
}

@media (max-width: 768px) {
    .book-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .book-title {
        font-size: 2rem;
    }

    .book-subtitle {
        font-size: 1.2rem;
    }

    .book-purchase {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

/* Loading Animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    animation: fadeIn 0.5s ease-in forwards;
    pointer-events: none;
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.loading-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    perspective: 1000px;
}

.loading-cell {
    width: 30px;
    height: 30px;
    background: var(--text);
    opacity: 0;
    transform: rotateX(45deg) rotateY(45deg);
    animation: cellAppear 1.5s ease-in-out infinite;
    animation-delay: calc(var(--cell-index) * 0.1s);
}

.loading-cell:nth-child(1) { --cell-index: 0; }
.loading-cell:nth-child(2) { --cell-index: 1; }
.loading-cell:nth-child(3) { --cell-index: 2; }
.loading-cell:nth-child(4) { --cell-index: 3; }
.loading-cell:nth-child(5) { --cell-index: 4; }
.loading-cell:nth-child(6) { --cell-index: 5; }
.loading-cell:nth-child(7) { --cell-index: 6; }
.loading-cell:nth-child(8) { --cell-index: 7; }
.loading-cell:nth-child(9) { --cell-index: 8; }

.loading-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.loading-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    opacity: 0;
    animation: textAppear 1s ease-in forwards;
    animation-delay: 0.5s;
}

.loading-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    opacity: 0;
    animation: textAppear 1s ease-in forwards;
    animation-delay: 0.8s;
}

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

@keyframes cellAppear {
    0% {
        opacity: 0;
        transform: rotateX(45deg) rotateY(45deg) scale(0.5);
    }
    50% {
        opacity: 1;
        transform: rotateX(0deg) rotateY(0deg) scale(1);
    }
    100% {
        opacity: 0;
        transform: rotateX(-45deg) rotateY(-45deg) scale(0.5);
    }
}

@keyframes textAppear {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hide loading overlay when content is loaded */
body.loaded .loading-overlay {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Add this to your existing JavaScript */
document.addEventListener('DOMContentLoaded', () => {
    setTimeout(() => {
        document.body.classList.add('loaded');
    }, 2000);
});