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

:root {
    --primary-color: #1a1a2e;
    --secondary-color: #16213e;
    --accent-color: #e94560;
    --text-light: #ffffff;
    --text-muted: #a0a0a0;
    --gradient-start: #1a1a2e;
    --gradient-end: #0f3460;
}

body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: var(--text-light);
}

.card-container {
    width: 100%;
    max-width: 420px;
    perspective: 1000px;
}

.business-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 40px 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: cardFloat 3s ease-in-out infinite, fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered animation classes */
.anim-1 { animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards; opacity: 0; transform: translateY(20px); }
.anim-2 { animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards; opacity: 0; transform: translateY(20px); }
.anim-3 { animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards; opacity: 0; transform: translateY(20px); }
.anim-4 { animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards; opacity: 0; transform: translateY(20px); }

@keyframes cardFloat {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.profile-section {
    text-align: center;
    margin-bottom: 30px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
    background: linear-gradient(135deg, var(--accent-color), #ff6b6b, var(--accent-color));
    padding: 4px;
    box-shadow:
        0 0 30px rgba(233, 69, 96, 0.5),
        0 10px 40px rgba(0, 0, 0, 0.3);
    border: 3px solid #ffffff;
}

.avatar::before {
    content: '';
    position: absolute;
    inset: 4px;
    border-radius: 0;
    background: var(--primary-color);
    z-index: 0;
}

.avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 0;
    object-fit: cover;
    position: relative;
    z-index: 1;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.name {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(90deg, #fff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title {
    font-size: 14px;
    color: var(--accent-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    margin: 25px 0;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-light);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.contact-item i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color);
    border-radius: 10px;
    font-size: 16px;
}

.contact-item .info {
    flex: 1;
}

.contact-item .label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 3px;
}

.contact-item .value {
    font-size: 14px;
    font-weight: 500;
}

.action-buttons {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

.action-btn {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-family: 'Poppins', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.action-btn.primary {
    background: var(--accent-color);
    color: white;
}

.action-btn.primary:hover {
    background: #ff6b6b;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(233, 69, 96, 0.3);
}

.action-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.action-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.presentation-section {
    margin-top: 20px;
}

.presentation-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #4285f4, #34a853);
    border: none;
    border-radius: 12px;
    color: white;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
}

.presentation-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(66, 133, 244, 0.4);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    transform: scale(0.9);
    animation: scaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes scaleUp {
    to { transform: scale(1); }
}

.close-btn {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 30px;
    height: 30px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

#qrcode {
    margin: 20px auto 0;
    display: flex;
    justify-content: center;
}
#qrcode img {
    border-radius: 8px;
}

@media (max-width: 480px) {
    body {
        padding: 15px;
    }

    .business-card {
        padding: 30px 20px;
    }

    .avatar {
        width: 50px;
        height: 0px;
        font-size: 32px;
    }

    .name {
        font-size: 22px;
    }

    .title {
        font-size: 12px;
    }

    .contact-item {
        padding: 12px;
    }

    .contact-item i {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }

    .action-btn {
        padding: 12px;
        font-size: 12px;
    }
}