/* Reset & basic styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f0f4f8;
    color: #1e2a38;
    line-height: 1.6;
    font-size: 16px;
}

/* Navbar */
nav.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background-color: #ffffff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav.navbar h2 {
    color: #1b3a6b;
}

nav.navbar a {
    margin-left: 20px;
    text-decoration: none;
    color: #2979ff;
    font-weight: 500;
    transition: color 0.3s;
}

nav.navbar a:hover,
nav.navbar a.active {
    color: #0039cb;
}

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    padding: 40px 0;
}

/* Headings */
h1, h2, h3 {
    color: #1b3a6b;
    margin-bottom: 20px;
}

/* About Card */
.about-card {
    background-color: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}

.about-card p {
    margin-bottom: 15px;
}

/* Profile Card (index.html) */
.card {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    text-align: center;
    max-width: 600px;
    margin: 60px auto;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}

.profile-img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 20px;
}

.subtitle {
    color: #555;
    margin-bottom: 20px;
}

.description {
    margin-bottom: 25px;
    line-height: 1.5;
}

/* Buttons */
.buttons .btn,
.btn {
    display: inline-block;
    background-color: #2979ff;
    color: #fff;
    padding: 10px 20px;
    margin: 5px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
}

.buttons .btn:hover,
.btn:hover {
    background-color: #0039cb;
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid #2979ff;
    color: #2979ff;
    background-color: transparent;
}

.btn-outline:hover {
    background-color: #2979ff;
    color: #fff;
    transform: translateY(-2px);
}

/* Achievements and Projects Cards */
.achievement-card,
.project-card {
    display: flex;
    gap: 20px;
    background-color: #ffffff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    margin-bottom: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.achievement-card:hover,
.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}

.achievement-card img,
.project-card img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 12px;
}

.achievement-info,
.project-info {
    flex: 1;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px 0;
    background-color: #1b3a6b;
    color: #ffffff;
    margin-top: 40px;
}

/* Responsive */
@media screen and (max-width: 768px) {
    nav.navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    nav.navbar a {
        margin-left: 0;
        margin-top: 10px;
    }

    .achievement-card,
    .project-card {
        flex-direction: column;
        align-items: center;
    }

    .achievement-card img,
    .project-card img {
        width: 100%;
        height: auto;
    }

    .card {
        margin: 40px 20px;
        padding: 30px;
    }
}