/* Reset & Fonts */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: #f0f4f8;
    color: #333;
    line-height: 1.6;
}

/* Header */
header {
    background-color: #0b3d91; /* Navy Blue */
    color: white;
    text-align: center;
    padding: 50px 20px;
}

header h1 {
    font-size: 2.8rem;
}

header p {
    font-size: 1.2rem;
    margin-top: 8px;
}

.profile-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid white;
    margin-bottom: 15px;
}

/* Navigation Tabs */
nav.tabs {
    background-color: #062c6b;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

nav.tabs ul li {
    margin: 10px 20px;
}

nav.tabs ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    padding: 8px 15px;
    transition: 0.3s;
    border-radius: 5px;
}

nav.tabs ul li a:hover {
    background-color: #1a4ca0;
}

/* Sections */
.card {
    background: white;
    max-width: 900px;
    margin: 30px auto;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

h2 {
    color: #0b3d91;
    text-align: center;
    margin-bottom: 20px;
}

/* Projects */
.project-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.project-item {
    background-color: #e1e8f0;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 18px rgba(0,0,0,0.15);
}

/* Skills */
.skill-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 10px;
}

.skill {
    background: linear-gradient(135deg, #0b3d91, #1a4ca0);
    color: white;
    padding: 8px 16px;
    margin: 5px;
    border-radius: 20px;
    font-weight: 500;
    transition: transform 0.2s;
}

.skill:hover {
    transform: scale(1.1);
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background-color: #062c6b;
    color: white;
    margin-top: 20px;
}