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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    overflow-x: hidden;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 0.5rem 2rem;
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    transition: color 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #667eea;
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

nav a:hover {
    color: #667eea;
}

section {
    min-height: 100vh;
    padding: 6rem 2rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero {
    text-align: center;
    color: white;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 0.5rem;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin: 0 0.5rem;
}

.cta-button:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.container {
    max-width: 1200px;
    width: 100%;
}

.content-section {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #667eea;
}

h3 {
    font-size: 1.8rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.about-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.education-box {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.education-box h4 {
    color: #667eea;
    margin-bottom: 0.5rem;
}

.education-box p {
    color: #555;
    line-height: 1.6;
}

.exam-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    margin: 0.5rem;
    font-weight: 600;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.skill-card {
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    color: white;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.skill-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    margin-top: 0;
    color: white;
}

.skill-card p {
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
}

.experience-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.experience-item h4 {
    color: #667eea;
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
}

.experience-item .job-info {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.experience-item ul {
    margin-left: 1.5rem;
    color: #555;
    line-height: 1.8;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-info {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    color: #555;
}

.contact-info a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.contact-info a:hover {
    text-decoration: underline;
}

.form-group {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #667eea;
}

input, textarea {
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

input:focus, textarea:focus {
    outline: none;
    border-color: #667eea;
}

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

button {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    nav ul {
        gap: 1rem;
        flex-wrap: wrap;
    }

    .cta-button {
        margin: 0.5rem;
    }
}