body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to bottom right, #e0f7fa, #f3e5f5);
    color: #000;
}

.container {
    max-width: 900px;
    margin: auto;
    padding: 50px 20px;
}

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

.profile-pic {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    border: 4px solid #1e90ff;
    object-fit: cover;
}

.detail-pic {
    /* width: 130px;
      height: 130px; */
    max-width: 800px;
    aspect-ratio: 3/2;
    /* border-radius: 50%; */
    /* border: 4px solid #1e90ff; */
    object-fit: contain;
}


.intro {
    flex: 1;
    margin-left: 20px;
}

h1 {
    font-size: 2.5em;
    margin: 0;
}

.tagline {
    font-size: 1.1em;
    font-weight: normal;
}

h2 {
    font-size: 1.6em;
    margin-top: 40px;
    margin-bottom: 10px;
    border-left: 5px solid #1e90ff;
    padding-left: 10px;
}

p,
li {
    font-size: 1.1em;
}

strong {
    color: #000;
    font-weight: bold;
}

.tab-btn {
    background: linear-gradient(135deg, #00bcd4, #673ab7);
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 30px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    margin: 10px 10px 0 0;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: #104e8b;
    box-shadow: 0 0 10px #104e8b;
}

.tab-btn:hover {
    transform: translateY(-2px);
}

.btn-group {
    margin-top: 20px;
}

.tab-content {
    display: none;
    margin-top: 20px;
}

.tab-content.active {
    display: block;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    background: #fff;
    margin: 10px 0;
    padding: 12px 16px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.accordion-header {
    background: #fff;
    margin: 10px 0;
    padding: 12px 16px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 2;
}

.accordion-content {
    background: #ffffff;
    margin: 10px;
    margin-top: -8px;
    padding: 12px 16px;
    border-top-left-radius: 0px;
    border-top-left-radius: 0px;
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
    z-index: -10;
    /* box-shadow: 0 2px 8px rgba(0,0,0,0.1); */


}

.nested-accordion-content {
    background: #ebecf7;
    margin: 10px 0;
    padding: 12px 16px;
    border-radius: 10px;
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
    padding-bottom: 10px;
    /* box-shadow: 0 2px 8px rgba(0,0,0,0.1); */
}

.hide{
    display: none;
}

.detail {
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
    padding-bottom: 10px;

}


.social-cards {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.social-cards .card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 25px;
    border-radius: 20px;
    text-decoration: none;
    color: white;
    font-size: 1.1em;
    font-weight: 500;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.facebook {
    background: linear-gradient(135deg, #1877f2, #0e4bbf);
}

.linkedin {
    background: linear-gradient(135deg, #0077b5, #004182);
}

.github {
    background: linear-gradient(135deg, #333, #000);
}

footer {
    text-align: center;
    margin-top: 50px;
    font-size: 0.9em;
    color: #555;
}

@media (max-width: 900px) {
    .header {
        flex-direction: column;
        text-align: center;
    }

    .intro {
        margin-top: 20px;
    }

    .btn-group {
        justify-content: center;
        flex-wrap: wrap;
    }

}