/* Nút Zalo/Messenger nổi và tinh chỉnh cho iPhone */

/* Floating Social Buttons */
.floating-buttons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.zalo-btn {
    background: #0068ff;
}

.zalo-btn svg {
    width: 35px;
    height: 35px;
}

.messenger-btn {
    background: linear-gradient(135deg, #00c6ff, #0078ff, #a855f7);
}

.messenger-btn svg {
    width: 32px;
    height: 32px;
    fill: white;
}

/* Floating buttons responsive */
@media (max-width: 768px) {
    .floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 12px;
    }

    .floating-btn {
        width: 55px;
        height: 55px;
    }

    .zalo-btn svg {
        width: 30px;
        height: 30px;
    }

    .messenger-btn svg {
        width: 28px;
        height: 28px;
    }
}

/* iPhone specific fixes */
@media (max-width: 414px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 16px;
    }

    .form-group input,
    .form-group textarea {
        font-size: 16px;
        /* Prevents zoom on iOS */
        padding: 15px;
    }

    .submit-button {
        font-size: 16px;
        padding: 18px;
    }

    .info-item {
        font-size: 14px;
    }

    .app-card h3 {
        font-size: 16px;
    }

    .app-card p {
        font-size: 14px;
    }

    .footer-about p {
        font-size: 14px;
    }
}