* {
    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;
    line-height: 1.6;
}

.header {
    background: rgba(255, 255, 255, 0.98);
    padding: 60px 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
}

.schedule-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 28px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.schedule-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

h1 {
    font-size: 3em;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.education {
    margin-top: 20px;
}

.education h2 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #555;
}

.education p {
    color: #666;
    font-size: 1.05em;
}

nav {
    background: rgba(255, 255, 255, 0.95);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav ul li {
    margin: 0;
}

nav ul li a {
    display: block;
    padding: 20px 30px;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

nav ul li a:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

nav ul li a:hover::after {
    width: 80%;
}

.main-container {
    display: flex;
    max-width: 1400px;
    margin: 40px auto;
    gap: 20px;
    padding: 0 20px;
    align-items: flex-start;
}

.sidebar {
    width: 350px;
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    flex-shrink: 0;
}

.sidebar::-webkit-scrollbar {
    width: 8px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.5);
    border-radius: 10px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.7);
}

.profile-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.profile-photo {
    width: 100%;
    height: auto;
    border-radius: 15px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.profile-photo:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.summary-section {
    margin-bottom: 30px;
}

.summary-section h2 {
    font-size: 1.8em;
    margin-bottom: 15px;
    color: #333;
}

.summary-section p {
    font-size: 0.95em;
    color: #666;
    line-height: 1.7;
    text-align: left;
}

.content-area {
    flex: 1;
    background: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    min-height: 600px;
}

.section {
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5em;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 3px solid;
    border-image: linear-gradient(135deg, #667eea 0%, #764ba2 100%) 1;
}

.job-entry {
    margin-bottom: 40px;
    padding: 25px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: 15px;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.job-entry:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.2);
}

.job-title {
    font-size: 1.5em;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.job-company {
    font-size: 1em;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 15px;
}

.job-entry ul {
    margin-left: 20px;
    margin-top: 15px;
}

.job-entry li {
    margin-bottom: 10px;
    color: #555;
    line-height: 1.7;
}

.job-entry li::marker {
    color: #667eea;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.skill-item {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: 15px 20px;
    border-radius: 10px;
    color: #333;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.skill-item:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.cert-list {
    list-style: none;
    padding: 0;
}

.cert-list li {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: 15px 25px;
    margin-bottom: 10px;
    border-radius: 10px;
    border-left: 4px solid #667eea;
    color: #555;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cert-list li:hover {
    transform: translateX(5px);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
}

footer {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px 20px;
    text-align: center;
    margin-top: 60px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 24px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.social-links a:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.resume-btn {
    background: white;
    color: #667eea;
    padding: 12px 28px;
    border: 2px solid #667eea;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.resume-btn:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

@media (max-width: 1024px) {
    .main-container {
        flex-direction: column;
        align-items: center;
    }

    .sidebar {
        width: 100%;
        max-width: 600px;
        position: relative;
        top: 0;
        max-height: none;
    }

    .content-area {
        width: 100%;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2em;
    }

    .schedule-btn {
        position: static;
        margin-top: 20px;
    }

    nav ul {
        flex-direction: column;
    }

    nav ul li a {
        padding: 15px;
    }

    .content-area {
        padding: 30px 20px;
    }

    .section-title {
        font-size: 1.8em;
    }

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