.gsm-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    background: #ffffff;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 25px 20px;
    margin-bottom: 25px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.gsm-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.15);
}

.gsm-logo {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: 50%;
    padding: 6px;
    background: #eaf4f9;
    margin: 20px 0;
    transition: transform 0.3s ease;
    border: 2px solid #00bcd4;
}

.gsm-logo:hover {
    transform: scale(1.07);
}

.gsm-title {
    font-size: 2rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 12px;
}

.gsm-location {
    font-size: 1.2rem;
    color: #777;
    margin: 8px 0;
}

.gsm-worldwide {
    color: #ff5252;
    font-weight: 700;
}

.gsm-phone {
    display: block;
    color: #007bff;
    font-size: 1.3rem;
    font-weight: 600;
    margin: 12px 0;
    transition: color 0.3s ease;
}

.gsm-phone:hover {
    color: #004c9e;
}

.gsm-btn {
    background: #3498db;
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
    text-transform: uppercase;
    font-size: 1rem;
}

.gsm-btn:hover {
    background: #0056b3;
    transform: scale(1.04);
    box-shadow: 0 6px 18px rgba(0, 123, 255, 0.3);
}

.location-icon {
    color: #888;
    margin-right: 6px;
}

.phone-icon {
    margin-right: 8px;
    color: #007bff;
}

.gsm-container {
    padding: 40px 15px;
    background: #f1f3f6;
}

/* Updated main container */
.main-container {
    padding: 20px;
    width: 500px;
    margin: 60px auto;
    background-color: #ffffff;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.header-section {
    text-align: center;
    padding: 20px 0;
}

.header-section img {
    max-width: 100%;
    max-height: 260px;
    border-radius: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.info-section {
    text-align: center;
    padding: 15px;
    color: #444;
}

.info-section p {
    margin-bottom: 12px;
}

.contact-card {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    margin: 20px 0;
    padding: 10px 15px;
    background-color: #ffffff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
}

.contact-icon {
    width: 35px;
    height: 35px;
    margin-right: 15px;
    color: #00bcd4;
}

.contact-details {
    text-align: center;
    flex-grow: 1;
    font-size: 1rem;
    color: #333;
}