* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}


header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #ffd700;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #ffd700;
    transition: width 0.3s ease;
}

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


.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}


section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.section-content {
    width: 100%;
}

h1, h2 {
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    color: #667eea;
}

h2 {
    font-size: 2.5rem;
    color: #764ba2;
    text-align: center;
    margin-bottom: 3rem;
}


#home {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    text-align: center;
}

.home-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.home-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
    animation: fadeInUp 1s ease 0.3s both;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 50px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeInUp 1s ease 0.6s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}


#profile {
    background: linear-gradient(135deg, #dadadb  0%, #667eea 100%);
    color: white;
}

.profile-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

.profile-image {
    text-align: center;
}

.profile-photo {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid #667eea;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
    cursor: pointer;
    display: block;
}

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

.profile-info h3 {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.profile-info p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #ffffff;
    margin-bottom: 1rem;
}

#skills {
    background: linear-gradient(135deg, #dadadb  0%, #667eea 100%);
}

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

.skill-category {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
}

.skill-category h3 {
    color: #764ba2;
    margin-bottom: 0.5rem;
}

.skill-title {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    user-select: none;
}

.skill-title:hover {
    background-color: rgba(118, 75, 162, 0.1);
}

.toggle-icon {
    font-size: 1.2rem;
    font-weight: bold;
    color: #764ba2;
    transition: transform 0.3s ease;
}

.skill-title.active .toggle-icon {
    transform: rotate(45deg);
}

.skill-description-container {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.skill-description-container.active {
    max-height: 500px;
    transition: max-height 0.4s ease-in;
}

.skill-description {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    font-style: italic;
    padding: 0 0.5rem;
}

.skill-item {
    margin-bottom: 1rem;
}

.skill-name {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.skill-bar {
    background: #e9ecef;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 4px;
    transition: width 1s ease;
    width: 0;
}


#contact {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.contact-item strong {
    margin-right: 1rem;
    min-width: 80px;
}

.contact-form {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background: rgba(255,255,255,0.9);
    color: #333;
}

.form-group textarea {
    height: 100px;
    resize: vertical;
}

.submit-btn {
    background: #ffd700;
    color: #333;
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
}


@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #667eea;
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .profile-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .home-content h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .profile-photo {
        width: 250px;
        height: 250px;
    }

    section {
        padding: 3rem 1rem;
    }
}