* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #333;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.card-container {
    width: 350px;
    height: 200px;
    perspective: 1000px;
}

.card {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 20px;
}

.card.front {
    background-color: var(--primary-color, #1a237e);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    backface-visibility: hidden;
}

.card.back {
    background-color: white;
    transform: rotateY(180deg);
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-container.flipped .card.front {
    transform: rotateY(180deg);
}

.card-container.flipped .card.back {
    transform: rotateY(0deg);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.logo-symbol {
    width: 40px;
    height: 40px;
    background-color: white;
    color: var(--primary-color, #1a237e);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 24px;
    font-family: 'Playfair Display', serif;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
}

.tagline {
    font-size: 14px;
    font-weight: 300;
    letter-spacing: 1px;
    margin-top: -5px;
}

.pattern {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 150px;
    height: 80px;
    background: linear-gradient(135deg, transparent 25%, rgba(255, 255, 255, 0.1) 25%, 
                                rgba(255, 255, 255, 0.1) 50%, transparent 50%, 
                                transparent 75%, rgba(255, 255, 255, 0.1) 75%);
    background-size: 20px 20px;
    border-radius: 0 0 10px 0;
}

.info {
    padding: 10px 0;
}

.name {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color, #1a237e);
    letter-spacing: 1px;
}

.title {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.divider {
    width: 40px;
    height: 3px;
    background-color: var(--primary-color, #1a237e);
    margin-bottom: 15px;
}

.contact {
    font-size: 12px;
    line-height: 1.6;
}

.contact p {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact i {
    color: var(--primary-color, #1a237e);
    width: 15px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
    justify-content: flex-end;
    padding: 0 10px 10px 0;
}

.social-icons i {
    color: var(--primary-color, #1a237e);
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.3s;
}

.social-icons i:hover {
    transform: translateY(-3px);
}

.controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

#flip-btn {
    background-color: var(--primary-color, #1a237e);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    transition: background-color 0.3s;
}

#flip-btn:hover {
    background-color: #0d1642;
}

.color-options {
    display: flex;
    gap: 10px;
}

.color-option {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.3s;
    border: 2px solid white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.color-option:hover {
    transform: scale(1.1);
}

@media (max-width: 400px) {
    .card-container {
        width: 300px;
        height: 180px;
    }
    
    .logo-symbol {
        width: 35px;
        height: 35px;
        font-size: 20px;
    }
    
    .logo-text {
        font-size: 20px;
    }
}