* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}


.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 10%;
    background: #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
}

.navbar nav a {
    text-decoration: none;
    color: #4b5563;
    margin-left: 1.5rem;
    font-weight: 500;
    transition: color 0.3s;
}

.navbar nav a:hover {
    color: #2563eb;
}

.navbar .btn-nav {
    background: #2563eb;
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}


.hero {
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    padding: 0 1rem;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content .highlight {
    color: #2563eb;
}

.hero-content p {
    font-size: 1.25rem;
    color: #4b5563;
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.btn-primary {
    display: inline-block;
    background: #2563eb;
    color: white;
    text-decoration: none;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-weight: 500;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: #1d4ed8;
}


.projects-section, .skills-section {
    padding: 5rem 10%;
    text-align: center;
}

.projects-section h2, .skills-section h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #1f2937;
}

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

.project-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: left;
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-img-placeholder {
    height: 200px;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    font-weight: bold;
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.project-info p {
    color: #6b7280;
    font-size: 0.95rem;
}


.skills-section {
    background: #f3f4f6;
}

.skills-list {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.skills-list span {
    background: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    font-weight: 500;
    color: #4b5563;
}


footer {
    background: #1f2937;
    color: white;
    text-align: center;
    padding: 4rem 1rem;
}

footer p {
    color: #9ca3af;
    margin-top: 0.5rem;
}

footer .email {
    font-size: 1.25rem;
    color: #3b82f6;
    font-weight: bold;
    margin: 1.5rem 0;
}

footer .copyright {
    font-size: 0.85rem;
    margin-top: 3rem;
}