/* Light theme (default) */
:root {
    --primary-color: #FF4D4D;
    --secondary-color: #F5F5F7;
    --bg-color: #ffffff8d;
    --text-color: #111111;
    --card-bg: #f7f7f8bd;
    --accent-color: #FF4D4D;
    --border-color: rgb(255, 255, 255);
    --chip-bg: rgba(0, 0, 0, 0.04);
    --transition-speed: 0.3s;
    --font-primary: 'Inter', sans-serif;
}

/* Dark theme overrides */
[data-theme="dark"] {
    --secondary-color: #1A1A1A;
    --bg-color: #000000;
    --text-color: #FFFFFF;
    --card-bg: #1a1a1a9a;
    --border-color: rgb(0, 0, 0);
    --chip-bg: rgba(255, 255, 255, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-primary);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

body {
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
    font-size: 16px;
}

header {
    background-color: transparent;
    color: var(--text-color);
    padding: 6rem 0;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.profile-section {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    background-color: transparent;
}

.profile-picture {
    flex-shrink: 0;
    z-index: 2;
}

.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 77, 77, 0.3);
}

.profile-content {
    flex: 1;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 0;
}

h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    z-index: 2;
}

h2 {
    color: var(--text-color);
    font-size: 2.5rem;
    margin: 2rem 0 1rem;
    font-weight: 600;
    z-index: 2;
}

h3 {
    color: var(--text-color);
    font-size: 1.5rem;
    margin: 1rem 0;
    font-weight: 500;
    z-index: 2;
}

.contact-info {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-info a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.1rem;
    position: relative;
    padding: 0.5rem 0;
}

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

.contact-info a:hover::after {
    width: 100%;
}

section {
    margin-bottom: 4rem;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 5px solid var(--border-color);
    z-index: 2;
}

.project {
    margin-bottom: 2rem;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 2;
}

.project:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    cursor: pointer;
}

.project-links a {
    display: inline-block;
    margin-right: 1.5rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    z-index: 3;
}

.certificate {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certificate:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    cursor: pointer;
}

.certificate h3 {
    color: var(--text-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.certificate p {
    color: var(--text-color);
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.certificate-links a {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.certificate-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
    cursor: pointer;
}

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

.work-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.work-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    cursor: pointer;
}

.work-item h3 {
    color: var(--text-color);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.work-description {
    color: var(--text-color);
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.work-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.work-period {
    color: var(--accent-color);
    font-weight: 500;
    font-size: 0.95rem;
}

.work-company {
    color: var(--text-color);
    font-weight: 600;
    font-size: 1rem;
}

.skills-list li {
    background: var(--chip-bg);
    margin: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    display: inline-block;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.skills-list li:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    cursor: pointer;
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

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

.animate-text {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.animate-text:nth-child(1) { animation-delay: 0.2s; }
.animate-text:nth-child(2) { animation-delay: 0.4s; }

#background-effect {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.dot{
    position: absolute;
    color: greenyellow;
    border-radius: 50%;
    opacity: 0.6;
    z-index: 0;
}

canvas#background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .container {
        width: 95%;
    }
    
    .profile-section {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        background-color: transparent;
    }
    
    .profile-img {
        width: 100px;
        height: 100px;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .certificate {
        padding: 1.5rem;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .work-item {
        padding: 1.5rem;
    }
}