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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    padding: 1rem 0;
    background: white;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2d3748;
    text-decoration: none;
}

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

nav a {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #2d3748;
}

section {
    padding: 120px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

h1, h2, h3 {
    font-weight: 600;
    color: #2d3748;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 4rem;
}

h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
    color: #4a5568;
    line-height: 1.8;
}

.hero {
    text-align: center;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.hero p {
    font-size: 1.3rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    color: #4a5568;
}

.scroll-down {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: #718096;
    cursor: pointer;
    text-align: center;
}

.scroll-down i {
    margin-top: 0.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.about-box {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

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

.info-item {
    padding: 2rem;
    background: #f7fafc;
    border-radius: 10px;
    transition: transform 0.3s;
}

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

.info-item strong {
    display: block;
    color: #2d3748;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.info-item span {
    color: #4a5568;
}

.skills {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.skill {
    padding: 2.5rem;
    text-align: center;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    transition: all 0.3s;
    background: white;
}

.skill:hover {
    transform: translateY(-8px);
    border-color: #4299e1;
    box-shadow: 0 10px 25px rgba(66, 153, 225, 0.1);
}

.skill i {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: #4299e1;
}

.projects {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.project {
    display: block;
    text-decoration: none;
    color: inherit;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
    background: white;
    height: 100%;
}

.project:hover {
    transform: translateY(-8px);
    border-color: #4299e1;
    box-shadow: 0 15px 30px rgba(66, 153, 225, 0.15);
}

.project-image {
    height: 220px;
    background: linear-gradient(135deg, #4299e1, #667eea);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.project-image i {
    font-size: 4.5rem;
}

.project-content {
    padding: 2rem;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.project-tags span {
    background: #edf2f7;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #4a5568;
    font-weight: 500;
}

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

.contact-box p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

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

.contact-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    padding: 2rem;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    text-decoration: none;
    color: #4a5568;
    transition: all 0.3s;
    width: 220px;
}

.contact-link:hover {
    border-color: #4299e1;
    color: #2d3748;
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(66, 153, 225, 0.1);
}

.contact-link i {
    font-size: 2.5rem;
    color: #4299e1;
}

.contact-link small {
    font-size: 0.9rem;
    color: #718096;
    text-align: center;
}

footer {
    padding: 3rem 0;
    text-align: center;
    color: #718096;
    border-top: 1px solid #e2e8f0;
    background: #f7fafc;
}

.footer-note {
    font-size: 0.9rem;
    margin-top: 1rem;
    color: #a0aec0;
}

@media (max-width: 1024px) {
    .skills, .projects {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-info {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    nav ul {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .about-info {
        grid-template-columns: 1fr;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-link {
        width: 100%;
        max-width: 300px;
    }
    
    section {
        padding: 100px 0;
    }
}

@media (max-width: 600px) {
    .skills, .projects {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
        margin-bottom: 3rem;
    }
    
    .skill {
        padding: 2rem;
    }
    
    .project-image {
        height: 180px;
    }
}